219results about How to "Optimize connection structure" patented technology

After bringing a conductor of an electric wire into press contact to connect with a wire caulking portion of a connection terminal, the conductor and the wire caulking portion are welded to connect by irradiating laser beam to a bottom wall of the wire caulking portion. Laser irradiation is carried out intermittently by three times and the laser irradiation at the second time and thereafter which is carried out later is carried out such that during a time period in which a laser welded portion immediately previously is brought into a predetermined state of elevating temperature, portions or welded regions overlap welded regions in laser irradiation irradiated previously.

A laminated core segment 30 into which a stator core is split has a core main body 31 that extends in an arc shape. On one end section of the core main body 31 there is formed a connecting section 40, and on the other end section there is formed a connecting section 41. The connecting section 40 is able to connect with the connecting section 41 of another laminated segment 30. In the connecting section 40 there is provided a protruding protrusion section 48, and the protrusion section 48 interferes with an interference section 53 on the connecting section 41 side when the stator core 30 is forced towards the direction in which the stator core is split. As a result, an assembly operation of the stator core becomes easier, and a magnetically excellent connecting structure can be obtained.

The present invention is a sling system utilizing a rear sling fitting for a long firearm, such as a rifle. Such fittings typically are positioned between the stock and receiver. It presents a fitting body with an aperture to slide over a rifle receiver tube and a connection bar extending from a reverse of the fitting body. A point-type sling attachment may then be attached to the connection bar and be able to slide left and right across the back of the weapon, allowing for quickly adaptable left or right positioning of the weapon. Registration geometry may be added and positioned to further allow interface with weapon geometry and prevent rotation of the fitting during use. The connection bar may be positioned on another component of the weapon, such as the receiver or the stock, should the weapon not have a receiver extension tube. A convertible sling and forward sling mount are also disclosed for cooperative use with the fitting, completing the system.

A display module is provided, which comprises a stacked printed circuit board, and a control circuit mounted on the stacked printed circuit board. The stacked printed circuit board includes at least a first printed wiring board, a second printed wiring board, and a flexible insulating substrate interposed between the first printed wiring board and the second printed wiring board. The flexible insulating substrate includes at least a first connecting portion and a second connecting portion. A display panel is electrically connected to one of the first connecting portion and the second connecting portion. The control circuit includes a memory. The control circuit supplies an electrical signal to the one of the first connecting portion and the second connecting portion in accordance with a data stored in the memory.

The present invention is a sling system utilizing a rear sling fitting for a long firearm, such as a rifle. Such fittings typically are positioned between the stock and receiver. It presents a fitting body with an aperture to slide over a rifle receiver tube and a connection bar extending from a reverse of the fitting body. A point-type sling attachment may then be attached to the connection bar and be able to slide left and right across the back of the weapon, allowing for quickly adaptable left or right positioning of the weapon. Registration geometry may be added and positioned to further allow interface with weapon geometry and prevent rotation of the fitting during use. The connection bar may be positioned on another component of the weapon, such as the receiver or the stock, should the weapon not have a receiver extension tube. A convertible sling and forward sling mount are also disclosed for cooperative use with the fitting, completing the system.

The invention relates to an assembled low-gravity-center efficient vertical shaft wind turbine which comprises a fixed tower for with the determined vertical rotation axis and wind wheels supported on the tower. Each wind wheel comprises a wheel frame and blades distributed on the periphery of the wheel frame. The blades include the first blades and the second blades, and the first blades and the second blades are alternately distributed at intervals and are vertically-extending blades with streamline-shaped cross sections respectively. Each wheel frame comprises a set of spokes which are evenly distributed in the circumference direction, horizontally extend and correspond to each other in an up-and-down mode, the outer ends of the spokes corresponding to each other in the up-and-down mode are connected with the corresponding upper portions and the corresponding lower portions of the first blades respectively in a fixed or rotary mode, and the middles of the spokes corresponding to each other in the up-and-down mode are connected with the corresponding upper portions and the corresponding lower portions of the second blades respectively in a fixed or rotary mode. By means of the assembled low-gravity-center efficient vertical shaft wind turbine of the structure, the wind energy use performance of the first blades can be effectively developed, the starting torque of the assembled low-gravity-center efficient vertical shaft wind turbine can be further improved through the second blades, and the low-speed wind energy use performance of the low-wind-speed blades is effectively developed.

After bringing a conductor of an electric wire into press contact to connect with a wire caulking portion of a connection terminal, the conductor and the wire caulking portion are welded to connect by irradiating laser beam to a bottom wall of the wire caulking portion. Laser irradiation is carried out intermittently by three times and the laser irradiation at the second time and thereafter which is carried out later is carried out such that during a time period in which a laser welded portion immediately previously is brought into a predetermined state of elevating temperature, portions or welded regions overlap welded regions in laser irradiation irradiated previously.

The invention relates to an inner tank and outer tank structural support comprising a sliding support component and a fixing support component between the inner tank and the outer tank. The sliding support component comprises an outer tank support cover arranged on the outer tank, an inner tank sliding support arranged on the inner tank, and a glass fiber reinforced plastics support used for connecting the outer tank support cover and the inner tank sliding support; the fixing support component comprises an outer tank support cover arranged on the outer tank, an inner tank fixing support arranged on the inner tank and a glass fiber reinforced plastics support used for connecting the outer tank support cover and the inner tank fixing support; an outer tank support cover stiffening ring and rib plate sets are arranged on the outer tank, and the rib plate sets are respectively connected with the outer tank support cover stiffening ring and the outer tank support cover. The inner tank and outer tank structural support is capable of reducing welding quantity, improving reliability and increasing braced force.

A portion of the one valve rod which extends outward is pivotally supported, the valve shaft cylindrical portion which is connected to the valve rod shaft supporting portion is made of material different from that of the valve body, a slanting surface is formed between the inner peripheral surface and the outer peripheral surface of the sheet ring, an angle and a width formed by the slanting surface and the outer peripheral side surface are the greatest at a position intersecting with the valve shaft at right angles and are the smallest at a position of the valve shaft, a central portion of an inner peripheral surface of the valve body is allowed to project inward to form an engaging projection, the sheet ring is brought into contact with the inner peripheral surface of the valve body under pressure in the opposite sides of the recess groove, the cylindrical bush whose one end is closed is mounted to the other valve rod which pivotally supports the valve element, and the other valve rod is sealed.

The invention provides a small shunting type multi-phase flow meter and a calibration method thereof. The small shunting type multi-phase flow meter comprises a vertical shunting pipe, a first branchand a second branch, wherein the shunting pipe is used for dividing a gas-liquid two-phase fluid into a first fluid flowing upwards and a second fluid flowing downwards; the first branch is connectedwith an upper outlet of the shunting pipe and used for allowing the first fluid to pass; the second branch is connected with a lower outlet of the shunting pipe and used for allowing the second fluidto pass; the first branch is connected with a first flow regulating valve and a first flow meter body in series, and the second branch is connected with a second flow adjusting valve and a second flowmeter body in series; a flow computer obtains a gas flow comparison reference value measured by the first flow meter body and a liquid flow comparison reference value measured by the second flow meter body under the condition that the first fluid and the second fluid form the single-phase fluid, the gas flow comparison reference value and the liquid flow comparison reference value are compared with gas and liquid flow measured values in a multi-phase flow measuring state, and then the error of the gas flow and the liquid flow is determined. Self-calibration is achieved.

The invention discloses an integral pure aluminum electric vehicle frame. The integral pure aluminum electric vehicle frame comprises threshold beams arranged on the two sides of a battery pack in a mirror image structure and used for bearing the battery pack, one ends of the threshold beams are in threaded connection with a front longitudinal beam assembly through a longitudinal beam fixing seat,and the other ends of the threshold beams are in threaded connection with a rear longitudinal beam assembly through a longitudinal beam fixing seat; the front longitudinal beam assembly is provided with mounting brackets, wherein the mounting brackets are in riveted connection with the front longitudinal beam assembly, and are arranged in a symmetrical structure, and provided with shock absorbersand upper control arms which are integrated; and the rear longitudinal beam assembly is provided with shock absorber brackets, wherein the shock absorber brackets are in riveted connection with the rear longitudinal beam assembly and are arranged in a symmetrical structure. The beneficial effects of the integral pure aluminum electric vehicle frame are mainly embodied in that a production technology is simple, an assembly mode of small-range welding and large-range assembling is adopted to ensure assembly precision and connecting strength, and the production efficiency is greatly improved while safety is ensured; and in addition, the integral pure aluminum electric vehicle frame has high universality and is wide in applicability.

The invention relates to a temporary house used in a housing construction project. The temporary house includes a plurality of vertically-arranged columns arranged at equal intervals and wall plates arranged between the adjacent columns, the wall plates are vertically arranged, the side surfaces, perpendicular to the ground, of the wall plates and the columns are clamped, the side faces, facing the wall plates, of the columns are provided with clamping slots where the wall plates are clamped, long-strip-shaped sealing strips are slidably connected into the clamping slots, and the columns are internally provided with locking devices for pushing the sealing strips to abut against the side faces, located in the clamping slots, of the wall plates; and a roof is jointly overlapped above the wall plates, and the roof and the wall plates are fixedly connected. Through the arrangement, the temporary housing is quickly installed in the manner that the wall plates and the columns are clamped, meanwhile, gaps between the wall plates and the columns are plugged through the sealing strips, the sealing strips are extruded by the locking devices to generate deformation to further plug the gaps between the wall plates and the columns, the sealing performance of the wall plates and the columns is improved, and the indoor thermal insulation performance and sound insulation effect are further improved.

The invention relates to the technical field of leather manufacturing, and discloses a preparation process of fully-penetrated cow fiber leather base cloth. The preparation process includes a batching process, a chemical fiber net forming process, a cow leather fiber net forming process, and a process of laminating the chemical fiber net and the cow leather fiber net into a net, wherein the batching process includes taking chemical fibers and cow leather fibers as raw materials for preparing fully-penetrated cow fiber leather base cloth, and batching according to a proportion; the chemical fiber net forming process sequentially includes the working procedures of opening, carding, net laying, pre-wetting and pre-penetrating: in the cow leather fiber net forming process, making cow leather fiber raw materials into a cow leather fiber net by adopting airflow net forming or water flow net forming; and the process for laminating the chemical fiber net and the cow leather fiber net into a net sequentially includes the working procedures of laminating the net, spunlacing, vacuum suction and drying, and the net laying working procedure includes warp cross laying and weft cross laying. The preparation process improves the physical properties of the cow fiber leather base cloth and reduces the production cost.

The invention provides a speaker module and a portable electronic device with the same. The portable electronic device comprises a bottom shell, a metal bottom plate, a circuit board, the speaker module and an antenna module; the metal bottom plate is arranged on the bottom shell; the circuit board is arranged on the metal bottom plate, and comprises a wireless communication module; the speaker module is arranged on the bottom shell, wherein the speaker module comprises a speaker module body and a speaker cavity; the speaker cavity is arranged in the speaker module body; the antenna module is arranged outside the speaker module body; the antenna module corresponds to the speaker cavity, wherein the antenna module comprises a feed-in point and a grounding surface; the feed-in point is electrically connected with the wireless communication module; and the grounding surface is connected with the metal bottom plate. According to the invention, the connecting structure of a speaker and an antenna is improved, so that the thickness of the portable electronic device is greatly reduced, and the position of the speaker module in the portable electronic device is more flexible.

The present invention relates to the connection structure between drying pipeline and water tub of drum washing machine, and the connection structure can prevent outward leakage of circulating air, detergent, etc. through the joint between the stoving pipeline and the water tub caused by drum vibration. The connection structure is set inside drum washing machine with the following parts: water tub for storing washing water, drum with front hot blast sucking holes, stoving pipeline fixed on the top of the water tub and connected to the sucking port of the water tub, condensing pipeline installed to the back of the water tub and connected between the water tub and the stoving pipeline. In order to avoid leakage of air, etc, some sealing parts are mounted in the joint between the water tub and the stoving pipeline.

The invention discloses a carbon brush compaction forming machine. The carbon brush compaction forming machine comprises a frame, a workbench, a hopper, a feeding mechanism and a compaction mechanism, wherein the workbench is arranged on the frame, the feeding mechanism comprises a cylinder or a hydraulic cylinder and a feeding box, and the cylinder or the piston rod of the hydraulic cylinder is connected with the feeding box; the hopper is disposed above the feeding box, the compaction mechanism comprises a motor, a crankshaft, a connecting rod, a guide sleeve, a male mold and a female mold, the motor and the guide sleeve are installed on the frame, the output end of the motor is connected with the crankshaft, the crankshaft is rotationally connected with the frame, the crankshaft, the connecting rod and the male mold form a crank link mechanism, the male mold is in sliding connection with the guide sleeve, the female mold is connected with the workbench, and the male mold and the female mode are in opposite arrangement; and the cylinder or the hydraulic cylinder and the motor are electrically connected with a controller. By using the carbon brush compaction forming machine, the carbon brush compacting efficiency is quite high.

The invention discloses a solid-state fermentation device and system as well as a fermentation method. The fermentation device is divided into three parts with clear functions, namely, a working bin, a fermentation bin and a quantitative discharging bin, and the standard fermentation system is constructed. The quantitative discharging bin is controlled to discharge materials quantitatively every day, the working bin distributes the materials into the fermentation bin, quantitative material distribution is controlled, and the materials in the fermentation bin are fermented in a layered manner. Further, turnover boxes are adopted for discharging and are storage and transporters for fermented products. The components of the device are well combined, equipment maintenance and fermentation production as well as standard operation of the fermentation technology are guaranteed due to adoption of standard equipment, the automation degree is high, multiple groups of equipment can be combined for work while operators are not increased excessively, the management cost and the production cost are lower, mass production and mass operation are facilitated, and operation and control are easy, so that the fermented products as well as storage and transportation of the products are also standardized.

The invention relates to an automatic sampler capable of sampling by simultaneously using multiple cutting rings. The automatic sampler comprises a main rod (3), an expansion rod (4) and a drill bit (7), wherein the drill bit (7) is mounted at the bottom end of the main rod (3); the automatic sampling device is characterized in that the main rod (3) is connected with the expansion rod (4) by a driving device, the driving device drives the main rod (3) and the drill bit (7) to move axially up and down, multiple clamping slots are axially formed in different positions of the main rod (3), one cutting ring is arranged in each clamping slot, and soil with different depths can be simultaneously and automatically sampled by the multiple cutting rings. The driving device drives the drill bit (7) to automatically rotate, so a traditional manpower driving mode is changed, the sampling efficiency is greatly improved, and the physical power of a sampling person can be saved.

The invention provides a handheld dust collector separation method for separating a dust cup assembly by one key. A dust collector host and the dust cup assembly are included; the second end of the dust collector host outwards extends to form a dust cup connecting part; a first slide rail is arranged on the dust cup connecting part; the first slide rail is arranged in the length direction of the dust cup connecting part; a second slide rail is arranged on the dust cup assembly; the second slide rail arranged on the dust cup assembly is inserted into the first slide rail in the length directionof the first slide rail; a pulling button part is arranged on the surface of the dust collector host; the bottom of the pulling button part is connected with a driving rod; the end part of the driving rod pushes or pulls a lock hook; the lock hook is pushed or pulled by the end part of the driving rod to be unlocked; and the lock hook hooks a clamp connection part arranged on the dust cup assembly. Compared with the prior art, the method has the advantages that the hands cannot be dirty during dust cup cleaning or replacement, so that the dust cup can be more conveniently dismounted from thehost; and the dust cup replacing efficiency is higher.

The invention discloses an induced crack used for a basement outer wall. The induced crack comprises an induced crack body, wherein a waterproof layer is arranged on the side surface of the induced crack body; a reinforcing layer is arranged on the side surface of the waterproof layer; a crack filling plate is arranged in the induced crack body and is internally provided with a steel shearing pin; the steel shearing pin is connected with the inner wall of the induced crack body; the induced crack further comprises a water stopping belt, a steel bar and a structure beam; the water stopping belt and the steel bar penetrate through the crack filling plate; the structure beam is connected with the inner wall of the induced crack body. The induced crack used for the basement outer wall has good connection structure performance, has waterproof and water-stopping functions, strong corrosion resistance and good anti-cracking effect, and can effectively prevent the outer wall from being damaged.

The invention relates to a ring cutter sampler which can simultaneously use multiple ring cutters for sampling, comprising a female rod (3) and a drill bit (7), the drill bit (7) is installed at the bottom end of the female rod (3), and other The feature is that: the female rod (3) is provided with a plurality of slots at different positions along the axial direction, and a ring knife is placed in each slot, and the plurality of ring knives realize simultaneous sampling of soil at different soil depths.

The invention provides a rapid lung-heat-clearing sputum excretion device for respiratory medicine nursing, relates to the technical field of medical instruments, and solves the problems that adsorption type fixation cannot be realized through structural improvement, and elastic locking of an air suction structure and drawing limiting of the air suction structure cannot be achieved through structural improvement. The rapid lung-heat-clearing sputum excretion device for respiratory medicine nursing comprises a collecting barrel; the collecting barrel is connected with the air suction structure;and an auxiliary structure is installed on the air suction structure. An elastic telescopic rod is welded to the tail end of a connecting rod, and the head end of the elastic telescopic rod is of anarc-shaped structure; The head end of the elastic telescopic rod is connected with a clamping groove in a clamped mode, the elastic telescopic rod and the clamping groove jointly form an elastic locking structure of a piston rod, and when the piston rod moves leftwards by 20 cm, the elastic telescopic rod makes contact with a handle of a piston pipe, so that on one hand, backflow of the piston rodunder the negative pressure effect of the lung can be prevented through elastic locking, and on the other hand, the elastic telescopic rod can also realize drawing limiting of the piston rod.

The invention provides a frame comprising two side beams and two crossbeams arranged between the two side beams. Each crossbeam is connected with the side portion of the corresponding side beam, the crossbeams and the side beams are connected through crossbeam connecting seats, and the crossbeam connecting seats are located at a large stress area at the junctions of the side beams and the crossbeams. The design aims to improve connecting structures between the crossbeams and the side beams, the large stress area is arranged on a transition seat, the transition seat is a forge piece, and the forge piece has better mechanical performance than a welding piece. On this basis, the invention further provides a railway train with the side beams.

The invention relates to the technical field of leather manufacture and discloses a preparation process of fully water-based cattle hide fiber leather with high physical properties. The preparation process sequentially comprises a base cloth preparation process, a base cloth aftertreatment process and a film covering process, wherein the base cloth preparation process comprises process steps as follows: chemical fiber and cattle hide fiber are taken as raw materials respectively, the chemical fiber is lapped and then spunlaced in advance into a chemical fiber net, a cattle hide fiber net is prepared from the cattle hide fiber with an air laying or waterflow net formation method, then, the chemical fiber net and the cattle hide fiber net are stacked for spunlacing curing, vacuum suction anddrying, and cattle hide fiber leather base cloth is prepared; the base cloth aftertreatment process comprises process steps as follows: single-sided loading, seepage and drying of a water-based PU material are performed on a PU film binding surface of the cattle hide fiber leather base cloth, wherein the single-sided seepage depth of the water-based PU material in the base cloth aftertreatment process is 1 / 3-2 / 3 of the thickness of the cattle hide fiber leather base cloth. The physical properties of the fully water-based cattle hide fiber leather are improved, and the production cost is reduced.

The invention discloses a liner of an electric water heater with an improved structure and a manufacturing process thereof. The liner comprises a first liner and a second liner, wherein the first liner and the second liner are communicated and connected with each other; two ends of a center circle of the first liner are provided with a first sealing end cover and a first flange end cover respectively; two ends of a center circle of the second liner are provided with a second sealing end cover and a second flange end cover respectively; the cross section of the center circle of the first liner is in a D shape; the plane in which the vertical edge of the D shape is positioned is provided with limbers; and the center circle, the second sealing end cover and the second flange end cover of the second liner are tightly contacted, matched, welded and fixed with the first liner respectively. Compared with the prior art, the manufacturing process has the advantages of improving a connection structure between the two liners, simultaneously arranging the sequence of a welding process reasonably, mixing cold and hot water evenly, eliminating potential problems of quality and security, simple procedure, less welding lines, high hot water yield, corrosion resistance, long service life, low cost, and suitability for promotion and use of the electric water heater.

The invention relates to a ceiling joist with stable structure and relative adjusting fixer, especially providing a ceiling joist mounted with transcendental hidden inserted ceiling. Wherein, it comprises a main joist, a T-shape joist under the main joist and crossed with said main joist, a suspension member connecting the T-shape joist and the main joist, and an adjusting fixer between the connected parts of main joist and T-shape joist; the adjusting fixer is formed by a clamper mounted on the top bar at the top of T-shape joist and the fixing element for fixing the clamper and the top bar; the upper surface of clamper is plane compacted contacted with the lower surface of main joist; said clamper is in gate structure. The invention can solve the problem that the connection between main joist and T-shape joist is instable, and the ceiling will fall.

The invention relates to a directly sealed steel drum, belonging to the field of packing steel drums; a top cover of the steel drum is provided with two symmetrically distributed filling openings of a G2 directly sealed embedded flange sealer. The technical proposal of the invention is as follows: a straight pipe 21 of a flange coil 16 is enclosed by an octagonal convex plate 5 which is at the top part of the steel drum, is provided with a convex plate edge 7 and is positioned on the extending part of the drum top cover 1; a cone-shaped combined convex plate coil 26 is formed under the extrusion of a cone-shaped lock installation mold; the flange coil 16 is isolated and riveted inside the steel drum to be used as an internal thread and a positioning device; the top cover 1 of the steel drum serves as an isolated layer and becomes a directly sealed contact surface; when a cone-shaped step drum plug 29 is mounted with a rubber gasket 38 and is screwed into the flange coil 16 in the steel drum, the top cover of the steel drum 1 directly contacts the cone-shaped step drum plug 29 to form the steel drum embedded flange sealer which is directly sealed and has a rigid clamping connection structure, so that no leakage occurs even when the steel drum is struck or falls off in the processes of transportation, loading and unloading. The directly sealed steel drum adopts two G2 filling openings, so that the steel drum has more functions; the work efficiency is higher in repeated use, renovation and cleaning of the steel drum and the cleanliness inside the drum is better. The invention further provides a sealing method and a fixing method of the directly sealed steel drum.

The invention discloses a preparation method of a carbon-based additive used for a lead-carbon negative electrode, and belongs to the technical field of lead-carbon battery manufacturing. A lead layeron the surface of the carbon-based additive used for the lead-carbon negative electrode prepared through carbon material sensitization, activation and chemical lead plating is uniform and compact indistribution, the hydrogen evolution overpotential of carbon material can be obviously improved, and the hydrogen evolution reaction of the negative electrode of a lead acid battery is inhibited; andthe compatibility of carbon material and lead is promoted, so that a good lead and carbon connecting structure is constructed. The high rate part state-of-charge (HRPSoC) simulation test charge-discharge cycles of the lead acid battery with the negative electrode containing the carbon-based additive used for the lead-carbon negative electrode can reach 10555 circles, and is 11 times of that of a contrast lead acid battery. According to the preparation method, sulfation of the negative electrode of the part state-of-charge (PSoC) can be inhibited obviously, and the cycle life of the lead acid battery is prolonged.