93results about How to "Simple structure installation" patented technology

The invention discloses a power adapter housing assembly, a power adapter, an air conditioner and a dehumidifier. An accommodation space for installing a control plate is formed in the housing assembly; the housing assembly comprises an outer housing and an inner housing disposed in the outer housing; the outer housing is provided with an outer air inlet and an outer air outlet; the inner housing is provided with an inner air inlet and an inner air outlet; the inner air inlet and the outer air inlet are mutually staggered and communicate with each other through an air intake channel formed between the outer housing and the inner housing; and the inner air outlet and the outer air outlet are mutually staggered and communicate with each other through an air-out channel formed between the outer housing and the inner housing. The air-flow channels are formed in the housing assembly so that ventilation and heat dissipation of the power adapter are facilitated; and the housing assembly is provided with the inner housing and the outer housing and the air inlets and the air outlets of the inner housing and the outer housing are mutually staggered so that waterproofing effects are exhibited.

The invention relates to a vehicular soft expanding shelter, which comprises a shelter body fixed on a special automobile chassis; the single side or the left side and right side of the shelter body are provided with an expanding shelter respectively. The soft expanding shelter is characterized in that the expanding shelter forms the soft expanding type shelter by an expanding power device, side expanding soft paulin, a forming and supporting frame inside paulin and a stay bar; the left side plate or the right side plate of the shelter body, a supporting frame and the stay bar are connected with the expanding power device; the supporting frame is connected with the stay bar through a connecting rod mechanism; the soft paulin is connected with the forming and supporting frame inside the paulin; and the floor of the expanding shelter consists of the left side plate or the right side plate of the expanded shelter body. The soft expanding shelter has the advantages that: the soft expanding mode of the soft paulin is adopted, and the manufacturing cost is reduced. After the shelter is expanded, the ratio of the internal actual effective use area to the internal area of the prior shelter is 2:1, and near one time of expanding use area is provided. The soft expanding shelter has the advantages of simple structure assembly, convenient use, and better integration reliability, maintenance and economy.

Disclosed is an adjustable pedal assembly. The adjustable pedal assembly includes a pedal arm hingeably mounted to a support bracket, a pedal part disposed at an end portion of the pedal arm, a gear assembly fixedly mounted to the pedal arm, and driving means for driving the gear assembly. The gear assembly includes a first gear part for receiving a driving force of the driving means, and a second gear part engaged with the first gear part for moving the gear assembly according to a driving direction of the first gear part to thereby change a position of the pedal arm.

A guiding device includes: a laser light source that emits a laser beam; and a linear guiding portion that propagates the laser beam and is extended in the guiding direction on a road surface on which a mobile body moves. The linear guiding portion is provided with a function of radiating the laser beam in the guiding direction from the surface where linear guiding portion extends, while propagating the laser beam, and guiding the mobile body by light.

The invention relates to an air fryer stable in control. The air fryer comprises a base and a cover body hinged to the base. A fyer assembly is arranged in the machine base. The fryer assembly comprises an inner pot. A hot air assembly is arranged in the cover body, the hot air assembly comprises an air guide plate, a fan and a heating piece. The fan and the heating piece are positioned below theair guide plate; a transparent visual window is arranged on the cover body, the center of the hot air assembly deviates from the center of the fryer assembly, the distance between the center of the hot air assembly and the hinge center is smaller than the distance between the center of the fryer assembly and the hinge center, and the visual window surrounds the hot air assembly and is located above the inner pot. The hot air assembly is far away from a user relative to the fryer assembly, the area of the visual window located on one side of the user is enlarged, and therefore the user can visually observe the interior of the fryer assembly through the visual window. Meanwhile, the heights of the cover body and the whole air fryer can be effectively reduced, the gravity centers of the coverbody and the whole air fryer are reduced, and when the cover body is opened or closed, the whole air fryer is stably operated.

The invention particularly relates to an embedding and spot double-duty light which has the functions of an embedded barrel light and a spot light. The invention comprises a light frame, a versatile light hinge, a panel arranged at the bottom part of the light frame and an optical source component. The light frame is also provided with a sliding barrel. The sliding barrel is connected with the light frame through a stretching control device. The sliding barrel and the light frame can slide oppositely. The bottom part of the sliding barrel is connected with one end of the versatile light hinge. The other end of the versatile light hinge is connected with the optical source component. After adopting the technical scheme, when the versatile light hinge is taken in the light frame, the light can be used as the embedding barrel light; when the versatile is drew out of the light frame, the light can be used as the spot light; thereby the structure is easy to mount and convenient to use; simultaneously the manufacture cost can be reduced greatly for the invention has the functions of two lights.

The invention relates to a one-point double-shaft multi-propeller aircraft which comprises a fixed bracket, a nacelle, a power shaft, a power rotor, a power motor, an attitude rotor and an attitude motor, wherein the fixed bracket is a transverse and longitudinal crossed bracket which is horizontally arranged, the nacelle is coaxially and fixedly installed on the lower end of the fixed bracket, the power shaft is coaxially installed on the upper end of the fixed bracket, the power rotor which is parallel to the fixed bracket is installed on the power shaft, the power rotor is driven to rotate by the power motor which is installed on the lower part of the power rotor, a coaxial double-propeller structure is adopted, and double propellers are overlapped and vertically arranged. The one-point double-shaft multi-propeller aircraft has the advantages of simple structure, safety, reliability, space saving, convenience in movement and field operation and large air bearing capacity, the posture is controlled by an upper propeller, power is supplied by a plurality of lower propellers, and the work requirements of aerial photos, communication and the like can be fully satisfied.

The invention provides a mortise-tenon connection structure of fabricated beam-column joints. The connection mode comprehensively considers the connection between upper columns and lower columns and the connection between beams and columns. Reserved chase mortises are formed in the upper columns, the lower columns, cross beams and longitudinal beams. During construction, secondary joint pouring for fabricated wet process connection is avoided, and the use of bolts and welding joints for dry-type joint connection is avoided. During construction, a traditional method is changed, the beams and columns are spliced through the reserved tenons and chase mortises of the beams and the columns, and the structure is assembled and formed at a time by pouring fine stone concrete into small holes and other processes. The mechanical properties of the joints is ensured, at the same time, the environmental pollution caused by the secondary pouring is avoided, the construction efficiency is improved, and the mortise-tenon connection structure of the fabricated beam-column joints is quite suitable for the development prospects of the fabricated type.

The invention discloses a collision dummy neck structure reflecting human neck mechanical properties. The collision dummy neck structure is composed of a muscle fixing module and a muscle module. The muscle fixing module is composed of an upper neck ring, a lower neck ring and shoulder rings. The upper neck ring is connected with an upper fundamental dummy neck portion, the lower neck ring is connected with a lower fundamental dummy neck portion, and the shoulder rings are connected with fundamental dummy shoulder portions. The muscle module is composed of springs with different elastic coefficients and comprises two sternocleidomastoid springs, two splenius capitis springs and two trapezius springs, wherein the two ends of each sternocleidomastoid spring are connected with the upper neck ring and the lower neck ring respectively, the two ends of each splenius capitis spring are connected with the upper neck ring and the lower neck ring respectively, and the two ends of each trapezius spring are connected with the corresponding shoulder ring and the lower neck ring. The collision dummy neck structure is applied to the neck portion of a collision dummy, the action of neck muscles on the head and the neck can be effectively achieved, and a higher biosimulation degree is obtained; The invention further discloses a design method of the collision dummy neck structure reflecting the human neck mechanical properties.

The invention relates to the technical field of diesel generating sets, in particular to a fan speed-regulating device and speed-regulating method for a diesel generating set. The fan speed-regulatingdevice comprises a crankshaft belt wheel, an electromagnetic clutch, a fan, a water temperature sensor and a controller, wherein the crankshaft belt wheel is connected on an engine crankshaft of a diesel generating set; a driven end of the electromagnetic clutch is connected with a rotary shaft of the fan; a clutch belt wheel is arranged on the drive end of the electromagnetic clutch; the crankshaft belt wheel is connected with the clutch belt wheel through belt transmission; a water temperature sensor used for detecting temperature of water or inter-cooled water of an engine cylinder sleeveis arranged on the engine; and the controller is separately connected with the electromagnetic clutch and the water temperature sensor. The fan speed-regulating device can effectively reduce oil consumption, reduces waste gas emission of the generating set, prolongs the service life of the generating set, brings considerable fuel oil cost reduction, and meets energy-saving emission-reducing needs.

The invention provides a porous ceramic dust remover which comprises an emergency bypass device, an installation fixing device and a rapid connecting device, wherein the emergency bypass device is provided with a valved cylinder equipped with an electromagnetic valve, a valve plate is arranged at the bottom of the cylinder, the top of the cylinder is equipped with an air inlet pipe and a copper air nozzle, the valved cylinder is mounted on a base, air holes are formed in two sides of the base, and a round graphite gasket used for sealing is arranged at the periphery of a partition bypass hole; one end of a porous ceramic tube in the installation fixing device forms arc transition, a tube seal cushion is manufactured into a biarc shape forming a certain clearance with the porous ceramic tube and is attached to a tube nest and the porous ceramic tube, the top of the porous ceramic tube is equipped with a graphite flat washer, a tube pressing plate is fixed on the tube nest through bolts; one end of a blowing elbow in the rapid connecting device is welded with a connecting end with a tapered structure, one end of a long spray tube with a nozzle is also welded with the connecting end, the blowing elbow and the long spray tube are connected and tightly locked by a stainless steel clamp with a groove formed in an inner ring, and a seal ring is arranged between the blowing elbow and the long spray tube.

Structures for V-bank electrostatic air filters are described. The V-bank air filters are assembled from two side panels, perforated top and bottom plates, a narrow end wall and an open wide end for the intake of air to be filtered. A pair of enclosure plates are pivotally mounted to the side panels in a parallel relationship to the respective top and bottom plates to form a pair of rectangular enclosures for respectively supporting electrostatic filter pads. The enclosure plates pivot open for removal and replacement of the filter pads. The side panels, top and bottom plates and rear wall are made from sheet metal blanks using cutting, bending and stamping processes. The enclosure plates are made from sheet metal blanks or welded wire structures. The advantage is that the structures are manufactured using simple automated processes and are quickly assembled without sub-assembly, thus time and labour are saved and costs are reduced.

The invention discloses a braiding positioning and placing structure of a braider. The braiding positioning and placing structure comprises a placing platform, a pressing platform, a first dustproof cover plate, a cover tape positioning structure, an attached damping structure and a pressing structure. The pressing platform is arranged on the rear portion of the placing platform. The first dustproof cover plate is attached to the upper surface of the placing platform. The cover tape positioning structure, a pressing front cover plate, the attached damping structure and a pressure block are arranged in the position, close to the rear portion of the placing platform, in the pressing platform. The pressing structure is arranged above the pressure block. A feeding inlet and a supplementing inlet are formed in the first dustproof cover plate. Bijection optical fiber is arranged on the placing platform. The cover tape positioning structure positions a cover tape before attaching the cover tape. The attached damping structure performs damping tight attaching on the cover tape before pressing the cover tape. In the braider pressing and attaching process, product placing and leak testing can be performed before pressing, a carrier tape and the cover tape can be precisely positioned and precisely attached, the effect of damping before pressing is achieved, and the structure is easy to mount and easy to dismount.

The invention discloses an oil-dynamic pitch-variable quadrotor unmanned plane comprising a body and a power rotor system. The power rotor system comprises two first power rotor assemblies and two second power rotor assemblies. Intersection points of a support rod are symmetry points, the two first power rotor assemblies are symmetrically disposed at two ends of the support rod, and the two secondpower rotor assemblies are symmetrically disposed at the remaining two ends of the support rod. The first power rotor assemblies and the second power rotor assemblies include drive mechanisms fixed on the support rod by brackets, transmission mechanisms in transmission connection with the drive mechanisms, and blade pitch-regulating mechanisms and rotor mechanisms above the transmission mechanisms. The oil-dynamic pitch-variable quadrotor unmanned plane solves the problems of small load, short driving time and poor wind resistance of conventional electric multi-rotor unmanned planes, also solves the problems of large vibration, poor transmission accuracy, and the like of a single engine, and is simple in the overall structure, and easy to maintain.

The invention discloses a cotton picking device which comprises a cotton picking mechanism and a fixed frame, wherein the cotton picking mechanism comprises at least one independent picking unit capable of being sliced mutually, a connecting rod, a first gear, and a second gear capable of independently moving corresponding to the first gear; the picking units comprise bases, at least one winding piece, and engaging mechanisms for causing free rotating movement of the winding pieces on the bases under the driving of the connecting rod; the winding pieces are distributed on the outer side surfaces of the bases in a diffused manner, and the inner ends thereof are connected with the connecting rod through the engaging mechanisms; the connecting rod is fixedly connected with the first gear; and the second gear is fixedly connected with the bases. The cotton picking device disclosed by the invention can solve the following technical problems: how to enable the cotton winding pieces to move independently from the bases, and complement and interfere with the bases, and the whole picking device is maintained more conveniently.

The invention belongs to the technical field of structure design of aviation products, and relates to an aviation moisture separation device. The aviation moisture separation device comprises a dewatering precipitator cavity (3) and a dewatering heater (2); the dewatering precipitator cavity (3) is in a hollow cavity structure and is provided with an inlet and an outlet of an air source; the inletof the air source is arranged at the upper part of the dewatering precipitator cavity (3), and the outlet of the air source is higher than the bottom surface of the dewatering precipitator cavity (3), so that the atmosphere condensate water is guaranteed to sink to the bottom part of the cavity and not to enter a pipeline; the inlet of the air source communicates with a pressure hole of a sensingpiece (1) of an airframe pressure sensor; the outlet of the air source communicates with a pressure sensor (4) in the airframe pressure sensor; the dewatering heater (2) is arranged between the dewatering precipitator cavity (3) and the sensing piece (1) of the airframe pressure sensor, and provides a heat source for the sensing piece (1) of the airframe pressure sensor and the dewatering precipitator cavity (3).

The invention belongs to the technical field of heat exchange and particularly provides a cooler structure. The cooler structure comprises a ventilation cabinet, wherein a first ventilation opening is formed in a base plate of the ventilation cabinet, a cooling device is arranged in the ventilation cabinet, an air inlet hole is formed in a top plate of the ventilation cabinet above the air outlet side of the cooling device, an air outlet cover is fixedly arranged at the top of the ventilation cabinet and covers the air inlet hole, and a first fan is installed on two sides of the air outlet cover respectively, corresponding to upper portion of the air inlet hole. A main air outlet is formed in the middle position of the air outlet cover, the inner cavity of the air outlet cover is separated by a partition plate, second guide plates extending towards two sides of the length direction of the ventilation cabinet are respectively welded on two end faces of the lower portion of the partition plate, and the top face of the main air outlet is connected with a screen plate. Due to the fact that the outer-air-path fans and the ventilation cabinet are vertically installed, the length of a cooler body is decreased to a great extent, the space utilization rate of a whole cooler is improved, and the cooler structure is suitable for an occasion with a small and compact field and poor ventilation environment.

The invention discloses a light climbing mold steel frame system. The system comprises a main platform, a lower platform and a repair platform; the main platform comprises multiple climbing lead screws, a main support frame and a template support sliding module; the main support frame is detachably connected with a cast wall outer wall; the template support sliding module is slidingly mounted on the top surface of the main support frame, and moves in the transverse direction of the main support frame; a template is mounted on the side surface, towards a wall, of the template support sliding module; the climbing lead screws are mounted parallel to the wall; one ends of the climbing lead screws are detachably fixed on the wall, and the other ends are detachably connected with the main support frame; and the main support frame moves in the longitudinal direction of the climbing lead screws. The climbing system needs no operation of a climbing rod penetrating in a hydraulic oil cylinder; and the lead screws are adopted as climbing mechanisms, so that the fixation of the wall and the lead screws can be finished only by needing pins, the operation is simple, and the safety is high.

The invention provides a traverse yarn guide device and a yarn guide method. The traverse yarn guide device comprises a yarn guide and a traverse drive mechanism, and is characterized in that the yarn guide is formed by two guiding rods and a fixed seat which are connected, and the fixed seat is connected with the traverse drive mechanism of the yarn guide; an upper yarn guide plate layer and a lower yarn guide plate layer are arranged at the front of the yarn guide, and the left end of the upper yarn guide plate layer is fixedly connected with the lower yarn guide plate layer; the top side of the lower yarn guide plate layer is of a straight side parallel to the axis of a rotary bobbin, and the top side from the left end to the middle of the upper yarn guide plate layer is of a straight side parallel to the axis of the rotary bobbin; the top side of the right end of the upper yarn guide plate layer is of a curved side which gradually turns up towards the right upper part, and the curved side and the right side of the upper yarn guide plate layer form smooth transition; the two guiding rods are higher than the straight sides of the tops of the lower yarn guide plate layer and the upper yarn guide plate layer, and the left-side guiding rod is higher than the right-side guiding rod; and the highest point of the right end of the upper yarn guide plate layer is slightly higher than the right-side guiding rod but is lower than the left-side guiding rod. The traverse yarn guide device has reasonable and simple structure, and can effectively guide yarns into the yarn guide; and the yarn guide method is simple and reliable.

The invention discloses a collision dummy neck structure reflecting human neck mechanical properties. The collision dummy neck structure is composed of a muscle fixing module and a muscle module. The muscle fixing module is composed of an upper neck ring, a lower neck ring and shoulder rings. The upper neck ring is connected with an upper fundamental dummy neck portion, the lower neck ring is connected with a lower fundamental dummy neck portion, and the shoulder rings are connected with fundamental dummy shoulder portions. The muscle module is composed of springs with different elastic coefficients and comprises two sternocleidomastoid springs, two splenius capitis springs and two trapezius springs, wherein the two ends of each sternocleidomastoid spring are connected with the upper neck ring and the lower neck ring respectively, the two ends of each splenius capitis spring are connected with the upper neck ring and the lower neck ring respectively, and the two ends of each trapezius spring are connected with the corresponding shoulder ring and the lower neck ring. The collision dummy neck structure is applied to the neck portion of a collision dummy, the action of neck muscles on the head and the neck can be effectively achieved, and a higher biosimulation degree is obtained; The invention further discloses a design method of the collision dummy neck structure reflecting the human neck mechanical properties.

The invention discloses an integrated waveguide-coaxial-microstrip transition structure which comprises a microwave box body, an insulator and a waveguide cover plate. A circuit groove is formed in the top surface of the microwave box body in a depth direction to install a microwave circuit, and the cover plate is arranged above the circuit groove; an end face groove is formed in one end face of the microwave box body, an end face waveguide cavity is formed in the end face groove, an external waveguide port is formed at the corresponding position above the end face waveguide cavity, namely the top face of the microwave box body, and waveguide mounting holes are formed in the two sides of the external waveguide port; the insulator is transversely arranged between the end face waveguide cavity and the circuit groove, one end of the insulator extends into the end face waveguide cavity, and the other end of the insulator is electrically connected with the microwave circuit in the circuit groove, and the waveguide cover plate is tightly matched with the end surface groove. According to the present invention, a main cavity is formed through one-time machining, and the waveguide cavity and the microwave box body are manufactured on one structural part, so that the machining and manufacturing are convenient and fast; the requirement for alignment between the waveguide cover plate and the microwave box body is low, and the performance deterioration caused by the matching precision problem of the waveguide cavity and the microwave box body is avoided.

The invention provides a safe door opening structure of a marking machine. The safe door opening structure of the marking machine is characterized by comprising a base of the marking machine, and a supporting frame, wherein a marking platform for positioning a marking object is arranged on the base; a covering housing is arranged on the base; the supporting frame is arranged on the base and is positioned in the covering housing; a door hole is formed in one side of the covering housing, and a door plate which can slide up and down is mounted on the door hole. The safe door opening structure ofthe marking machine further comprises a door driving motor which is arranged in the covering housing, and a transmission strip for connecting the door driving motor and a door board; the rotating output end of the door driving motor is in transmission connection with the transmission strip; the door driving motor drives the transmission strip to drive the door board to slide up and down. The safedoor opening structure of the marking machine further comprises a steel rope coiling device which is arranged at the upper end of the covering housing. According to the safe door opening structure ofthe marking machine, the transmission strip, a steel rope and an embedding guide rail structure are arranged, so that the door board can be directly connected to the covering housing; mechanical structures are matched with each other to drive a door to open and close; the structure and the mounting are simple; the flow process can be carried out, so that the practicability of the marking machineis improved; and meanwhile, the problem of potential risk in a door opening structure of the marking machine in the prior art can be solved.

The invention discloses a laminated package mechanism for a packing machine. The mechanism comprises a first countertop which is provided with a first candy trough, a belt conveying mechanism which is arranged under the first candy trough, a second countertop which is arranged at the tail end of the first countertop and provided with a second candy trough, and a chain transmission mechanism which is arranged under the first candy trough and the second candy trough, and a candy hook component which is arranged on the chain of the chain transmission mechanism, wherein the horizontal plane of the second countertop is lower than that of the first countertop; and the front end of the second candy trough is connected with the tail end of the first candy trough. The laminated package mechanism is mainly used for laminating materials before packaging when packaging laminated candy, biscuits, chocolates and other materials. The whole structure is simple in assembly and convenient to change, and has the advantages of use flexibility, long service life, reliable working performance, low maintenance cost and high production efficiency.

The invention relates to a vehicular soft expanding shelter, which comprises a shelter body fixed on a special automobile chassis; the single side or the left side and right side of the shelter body are provided with an expanding shelter respectively. The soft expanding shelter is characterized in that the expanding shelter forms the soft expanding type shelter by an expanding power device, side expanding soft paulin, a forming and supporting frame inside paulin and a stay bar; the left side plate or the right side plate of the shelter body, a supporting frame and the stay bar are connected with the expanding power device; the supporting frame is connected with the stay bar through a connecting rod mechanism; the soft paulin is connected with the forming and supporting frame inside the paulin; and the floor of the expanding shelter consists of the left side plate or the right side plate of the expanded shelter body. The soft expanding shelter has the advantages that: the soft expanding mode of the soft paulin is adopted, and the manufacturing cost is reduced. After the shelter is expanded, the ratio of the internal actual effective use area to the internal area of the prior shelter is 2:1, and near one time of expanding use area is provided. The soft expanding shelter has the advantages of simple structure assembly, convenient use, and better integration reliability, maintenance and economy.

The invention provides a visual tactile automobile high-reflective surface three-dimensional shape measurement method and system, and belongs to the technical field of three-dimensional measurement. Atactile front end used for making contact with a to-be-measured automobile high-reflective surface and a visual rear end used for measuring deformation are built respectively, and a visual tactile automobile high-reflective surface three-dimensional topography measurement system is formed after combination. The opaque coating layer in the touch front end is in contact with a to-be-measured surface and generate deformation, then the projector at the visual rear end projects a coded image to the opaque coating layer to obtain a corresponding projection image, and the point cloud of the to-be-measured high-reflection surface is obtained by calculating the world coordinates of each point on the projection image; and finally, a detection result of the three-dimensional morphology of the to-be-measured high-reflection surface is obtained. The method is comprehensive in measurement, simple in post-processing, high in precision, simple in measurement system installation, low in cost and freeof damage to the measured surface.

The invention discloses a novel frequency converter. The frequency converter comprises a pedestal, a fan installing plate, a support plate, an upper cover, a capacitor plate, a cooling fan, a radiator, a driving plate, a control panel and an IGBT module. An end portion of the pedestal is fixedly provided with the fan installing plate. The fan installing plate is provided with the cooling fan. An inner bottom portion of the pedestal is fixedly provided with the radiator. The radiator is connected to the cooling fan. An upper portion of the radiator is provided with the support plate. The support plate is fixedly provided with the capacitor plate, the IGBT module and the driving plate. The capacitor plate is connected to the driving plate in a signal connection mode. The IGBT module is connected to the driving plate in the signal connection mode and is arranged above the radiator. The upper cover is arranged above the support plate. Two side portions of the upper cover are fixedly connected to the pedestal. An inner side of the upper cover is fixedly provided with the control panel connected to the driving plate in the signal connection mode. The structure and performance of the frequency converter are optimized. An internal space is reasonably used so as to install an electrical component. Purposes of simplifying the structure, reducing the weight, carrying out installation conveniently and reducing cost are reached, and safety and reliability are increased.

The invention discloses an anti-logic proportional valve and a vane pump variable control system, and relates to the technical field of automobile oil pump displacement control. The anti-logic proportional valve comprises a valve body, a plunger and a spring; a valve hole for accommodating the plunger and the spring is formed in the valve body; the valve body is provided with a port A, a port P and a port T which communicate with the valve hole; a first annular oil groove and a second annular oil groove are formed in the peripheral surface of the plunger; a radial hole communicating with the second annular oil groove is further formed in the plunger; and an axial hole connected with the radial hole and the T port is further formed in the middle of the plunger. The precision of the valve body hole of the proportional valve is easy to guarantee. The invention further relates to a vane pump variable control system using the anti-logic proportional valve. The control system is simple in structure installation, the mechanical valve control structure is regular, and the stability of output pressure of a vane pump is facilitated.

The invention relates to a hand-operated closing device and an outdoor permanent magnetic circuit breaker. The hand-operated closing device comprises a hand-operated closing support fixedly connectedwith a casing of the outdoor permanent magnetic circuit breaker, a hand-operated closing push rod of which one end is in rotation connection with the hand-operated closing support, a sliding block anda limit pin, wherein the sliding block is in sliding connection with a main shaft of the outdoor permanent magnetic circuit breaker, one side of the sliding block is in sliding connection with the hand-operated closing push rod, the limit pin is fixed on the main shaft in a penetration mode, the hand-operated closing push rod is pushed, and one end of the sliding block is in butt joint with the limit pin to drive the main shaft to move along the length direction to achieve closing. The hand-operated closing device is advantaged in that hand-operated closing operation of the permanent magneticcircuit breaker is realized, closing operation is rapid and can realize force saving, and safety is high.

The invention discloses an ultra-thin notebook computer. The ultra-thin notebook computer comprises a display surface, a base surface and a rotating shaft mechanism, wherein the rotating shaft mechanism is used for connecting the display surface and the base surface; the rotating shaft mechanism further comprises a first rotating shaft, a second rotating shaft, a supporting plate connecting the first rotating shaft and the second rotating shaft, an elastic component, a plurality of friction sheets and blocks, wherein the supporting plate, the elastic component and friction sheets sequentiallysleeve the first rotating shaft and the second rotating shaft and are pressed and fixed by the blocks; and a first connecting plate is connected to the connecting portion of the first rotating shaft,a second connecting plate is connected to the connecting portion of the second rotating shaft, the first connecting plate is connected with the display surface, and the second connecting plate is connected with the base surface. According to the ultra-thin notebook computer, 360-degree rotation positioning between the display surface and the base surface can be realized, and adjustment of the center distance between the rotating shafts is achieved by adjusting the length of a sliding top block, thus being suitable for notebook computers of different specifications and sizes, and meanwhile thelightness and thinness of the notebook computers can be kept.

The invention discloses a street lamp mounting structure provided with an antenna. The structure comprises a lamp cap, a steel pipe joint, a glass reinforced plastic lamp pole, the antenna and a lining pipe, wherein the inside diameter of the steel pipe joint at the lower end of the lamp cap is greater than the outside diameter of the glass reinforced plastic lamp pole; the antenna is arranged in the glass reinforced plastic lamp pole; the glass reinforced plastic lamp pole is inserted into the steel pipe joint; the inner wall of the inserted part of the glass reinforced plastic lamp pole is provided with the lining pipe; and the steel pipe joint, the glass reinforced plastic lamp pole and the lining pipe are fixed together through locking bolts. The structure has simple installation and better fastness, and is not easy to damage the glass reinforced plastic and the antenna.