50results about How to "Improve locking performance" patented technology

The invention relates to a locking and releasing device of a transmission shaft for an automatic goods shelf. The locking and releasing device comprises the goods shelf, wherein the transmission shaft is arranged on the goods shelf. The locking and releasing device is characterized in that a bracket rod is arranged on the goods shelf on the lower side of the transmission shaft; the bracket rod is parallel to the transmission shaft; levers are hinged to the bracket rod; gears are fixed in the positions, corresponding to the levers, of the transmission shaft; racks are arranged in the positions, below the gears, of the levers; when the gravity centers of the levers are positioned on the side, away from the transmission shaft, of the bracket rod, the gears on the transmission shaft mesh with the racks on the levers through the gravity action of the levers; when the gravity centers of the levers are positioned on the side, close to the transmission shaft, of the bracket rod, an extension spring is connected between the ends, away from the transmission shaft, of the levers and the goods shelf below the levers, and the gears on the transmission shaft mesh with the racks on the levers through the tension action of the extension spring. According to the device, the transmission shaft of the automatic goods shelf can be effectively locked, goods are prevented from moving or sliding, the structure is simple, the mounting space is small, the processing cost is low, and the automation requirement can be met.

The invention provides a reverse-folded tripod button adjusting and locking structure. The structure comprises multiple adjusting clamping positions with different angles on a folding connecting base of a main body, a button, a guide base, a spring and a spring pressing piece; the guide base is mounted at the end part of a foot joint, and is positioned between left and right folding connecting arms, and a V-shaped guide port is formed in the end surface of one outward end thereof; the button is arranged between the left and right folding connecting arms, and is rotationally connected with the outward end of the guide base, and a clamping part is arranged at one end thereof towards the folding connecting base; the clamping part is clamped on the corresponding adjusting clamping positions along with rotation of the foot joint; one end of the spring pressing piece is clamped in the guide port, and the other end is coated with the spring; and the spring is butted against the bottom of the button. The structure can automatically lock an angle-adjusted support leg, and is simple and convenient for operation; meanwhile, the button has two stress points, so that the locking effect is stable and reliable; and the structure is simple and skillful in structure, low in machining precision requirement and easy to produce.

The invention relates to a selecting and comprehensively actuating mechanism for a rotary type dobby opening device and belongs to the field of textile machinery. The selecting and comprehensively actuating mechanism provided by the invention comprises a spindle, a swing arm and an eccentric disc, a spline disc, a clutch claw, a first signal swing arm and a second signal swing arm and a magnet absorption swing arm, and the selecting and comprehensively actuating mechanism is characterized in that a first inclined plane and a second inclined plane are formed on the two sides of an opening of a first eccentric disc meshing cavity; a third inclined plane and a fourth inclined plane are formed on the two sides of the opening of a second eccentric disc meshing cavity; a fifth inclined plane and a sixth inclined plane are formed on the two sides of a first swing arm meshing part, and the surface on one side of the first swing arm meshing part forms a first milling plane, a first transition arc surface is formed between the first milling plane and the fifth inclined plane, and a second transition arc surface is formed between the first milling plane and the sixth inclined plane; and a seventh inclined plane and an eighth inclined plane are formed on the two sides of the second swing arm meshing part, and the surface on one side of the second swing arm meshing part forms a second milling plane, a third transition arc surface is formed between the second milling plane and the seventh inclined plane, and a fourth transition arc surface is formed between the second milling plane and the eighth inclined plane. The selecting and comprehensively actuating mechanism provided by the invention has the advantages that locking is reliable and energy consumption is saved.

Seat reclining mechanisms for a vehicle seat may include a first or stationary housing, a second or rotational housing, a locking means received between the first and second housings, and a fastener for rotatably connecting the second housing to the first housing. The fastener is formed with at least one retainer portion and at least one slide portion that respectively project toward the second housing. Preferably, the at least one slide portion has a height greater than the at least one retainer portion.

In a front part inside a seat cushion are arranged a catching member extending in a widthwise direction of the seat cushion and movable up and down, and inertial force transmission means for moving the catching member upward by the inertial force that acts on an inertial mass at the time of rapid deceleration. When a passenger sits on the seat cushion, the catching member moves down so as not to deteriorate the seat comfort, and at the time of rapid deceleration, the catching member moves up and stops the passenger's hips from moving forward. Thus it is reliably prevented that the passenger moves forward, without deteriorating the seat comfort, and the design is simple, lightweight, and low-cost.

The invention relates to a low-axial-height universal spherical pan-tilt device which comprises a fast mounting seat and a low-axial-height universal seat. The low-axial-height universal seat comprises a universal ball, an internal locking sleeve and an external locking seat, the universal ball and the internal locking sleeve are mounted in the external locking seat, the internal locking sleeve sleeves the universal ball, and the fast mounting seat is mounted on a connection seat of the universal ball. The internal locking sleeve is provided with longitudinal and transverse internal locking avoidance ports, the the external locking seat is provided with longitudinal and transverse external locking avoidance ports, left and right holding portions are formed on the internal locking sleeve, and left and right locking portions are formed on the external locking seat. When the universal ball is locked, a screw locking mechanism on the left and right locking portions is operated to enable the left and right locking portions to drive the left and right holding portions to draw together and be tightened inwards, and then the left and right holding portions tightly hold the universal ball in an attached manner, so that the angle of the fast mounting seat can be adjusted and locked arbitrarily, conveniently and rapidly. The low-axial-height universal spherical pan-tilt device is stable, reliable and ingenious and compact in structure, and the axial height and cost are reduced.

An engagement wheel is mounted so that it can rotate relative to the drive shaft of a drive train in a motor vehicle. To allow rotational driving, the engagement wheel is operatively connected with an element that cannot be rotated relative to the drive shaft by at least one elastically deformable element mounted in the torque path between the engagement wheel and the rotationally fixed element. The elastically deformable element can absorb residual rotational energy of the drive train, when the engagement wheel is locked by a locking element, which may be in the form of a pawl.

The invention discloses soilless cultivation substrate and a preparation method thereof, and relates to the field of cultivation substrate. The soilless cultivation substrate comprises the following raw materials in parts by weight: 30 to 40 parts of peat, 10 to 15 parts of coated expanded perlite, 6 to 12 parts of montmorillonite powder, 10 to 15 parts of plant ash, 10 to 15 parts of egg shell powder, 4 to 9 parts of waste asbestos powder, 10 to 15 parts of straw, 4 to 9 parts of bean dregs, 4 to 9 parts of potato residue, 3 to 7 parts of rice hull powder, 2 to 5 parts of cyclodextrin, 1 to 3parts of carboxymethyl cellulose sodium, 3 to 7 parts of calcium lime, and 0.2 to 0.8 part of microelements. The soilless cultivation substrate is rich in nutrient substance, and excellent in water absorption and air permeability, has good water retention, does not produce hazardous substance during preparation, is green and environmentally friendly, takes domestic waste as a raw material, is wide in source, low in production cost, and simple in preparation method.

The present invention relates to the. use of optimized magnet design, magnetic circuit design and wire coil design to improve latching reliability and reduce driving current for the switchable Faraday rotator devices. The geometrical parameters of semi-hard magnet are optimized to produce maximal magnetic field at the location of magneto-optic crystal and hence improve latching reliability and reduce driving current. The wire coil is optimized in coil length, wire gauge, and number of turns to produce most efficient energy transfer and hence reduce driving current and driving voltage. To reduce magnetic energy loss, soft magnetic material is included to form a magnetic conductive close loop and further reduces driving current requirements.

A motor-vehicle armrest has a base fixed on the vehicle and defining an axis and an armrest part pivotal on the base about the axis and having a first concave surface turned radially inward toward a second convex surface of the base. A wedge-shaped sprag is slidable between the surfaces generally angularly of the axis between a locking position in which the armrest part is arrested relative to the base and a release position in which pivoting of the armrest part with respect to the base is possible. The sprag has a first contact face cooperating with the first surface of the armrest part and a second nonparallel contact face cooperating with the second surface of the base. The sprag is biased into the locking position and can be moved into the release position.

A connector for memory card comprises an insulator produced by the synthetic resin and a holding shell for card. The insulator lays a plurality of contacts in parallel and a part of a clamping element for fixing the printed circuit board. The holding shell for card rotatably connects and supports at the rear terminal portion of the insulator, consisting of a holding portion for holding the memory card. The holding shell for card holds the memory card and closes the cover so as to electrically connect the connection terminal of the memory card and one terminal portion of the contact. The clamping element is produced by the metal material all in one, provided with a fastening portion for lock for locking the holding shell for card and a rotary bearing portion for rotatably supporting the holding shell for card. The holding shell for card is formed by the metal material all in one, provided with a fastening portion for lock a part of which is locked with the clamping element and a rotary axis bearing in the rotary bearing portion.

The invention discloses an inserted type connector. The inserted type connector comprises a male end and a female end and is characterized by also comprising a set of locking structure, wherein the locking structure is arranged between the male end and the female end and is of an annular shape, a radial limitation structure is arranged on the end surface, near to a side, of an inner annular wall, a thread structure is arranged on the end surface extending to the other side of the inner annular wall from the radial limitation structure, a limiting groove is formed in an outer edge surface of the male end or the female end and is matched with the radial limitation structure, and an external thread engaged with the thread structure is arranged on the outer edge surface of the female end or the male end on the other side. By arranging the locking structure, bidirectional locking is achieved by matching of the radial limitation structure and the thread structure, the locking force is effectively increased, the connector is prevented from loosening due to the influence of an external force, and the connection reliability is ensured.

The invention discloses an electric control locking mechanism for a tail door and belongs to the technical field of vehicles. A transmission part of the locking mechanism is of a hinge structure, and when a spring bolt is blocked by a barrier or too much resistance in the moving process, a connection rod part of the locking mechanism can play a role in overload protection. The locking mechanism comprises a front locking rod structure, a rear locking rod structure and a locking base structure. The output end of a two-way electric cylinder is hinged to the front locking rod through a hinge pin. The front locking rod is hinged to the rear locking rod through a hinge pin. The whole mechanism has the characteristic of being convenient and fast to assemble and disassemble, has great self-adjusting and self-adaption capacities specific to machining allowance of field assembling, and has the remarkable capacity of improving the locking tightness of the door.

The invention discloses a compact type energy-saving electromagnetic operating mechanism which comprises an electromagnetic mechanism, a counter-force spring and a switch-on and switch-off assembly. The switch-on and switch-off assembly comprises a lever support and a fixed pivot, wherein the lever support is arranged above the electromagnetic mechanism and extends in the horizontal direction, and the fixed pivot enables the lever support to rotate around the lever support. The counter-force spring is connected to one side of the lever support in a hung mode. A movable iron core is connected with the middle appropriate position of the lever support through a matching and connecting structure, and therefore the lever support drives the movable iron core to carry out rectilinear motion without interference through rotation motion. The overall height of the electromagnetic operating mechanism is reduced greatly through the ingenious design of the lever support, and therefore a multifunctional terminal electric appliance using the electromagnetic operating mechanism can be mounted in an electric meter box easily. The compact type energy-saving electromagnetic operating mechanism further comprises an energy-saving mechanism which comprises a lock catch unit and an energy-saving unit. The lock catch unit is used for locking the movable iron core moving to a pull-in position. Meanwhile, the energy-saving unit controls a coil to be powered off, the purpose that the coil of the electromagnetic operating mechanism does not need to be powered on when the electromagnetic operating mechanism is switched on, and a large amount of electric energy is saved.

The invention discloses a side door opening-closing system of a hopper car. The hopper car is of a side door opening-closing structure; each set of side doors is oppositely provided with a corresponding set of side door opening-closing mechanism along the longitudinal direction of the hopper car; each set of the side door opening-closing mechanisms comprises a worm transmission mechanism and crankand connecting rod mechanisms; each of the worm transmission mechanisms comprises a rotating hand wheel, and a conversion gear set, a transmission rod, a helical gear set, worm gear assemblies and worm gear shafts which are driven by the rotating hand wheel for sequential transmission; the crank and connecting rod mechanisms are two-coupling crank and connecting rod mechanisms with motion dead centers; and each set of the side door opening-closing mechanisms is provided with a corresponding two-stage stop device. The side door opening-closing system of the hopper car utilizes the worm transmission mechanisms with a relatively-large transmission ratio and performs unloading by gravity; two side doors at one end are opened at one time, and the unloading efficiency is high; the stop devicescan realize the stop by stepping on pedal levers while operating the hand wheels; the opening-closing mechanisms realize the self-locking function of the system by virtue of the self-locking characteristic of worm gears and worms with the motion dead centers and the stop devices; and the two-stage stop devices further improve the locking performance and prevent the failure of locking.

The invention discloses an elevation adjustable type steel dam gate device in the technical field of steel dam gates. The elevation adjustable type steel dam gate device comprises a door board, a bottom turnover shaft, a wallboard and a control chamber, the control chamber is internally provided with a turnover drive component used for controlling the bottom turnover shaft to turn over, and the turnover drive component is provided with a turnover angle correcting component and a turnover locking-assisting component in a matched mode. The turnover angle of the door board can be corrected in time, and the turnover angle of the door board can also be firmly locked.

The invention provides a low-gravity-center spherical cloud platform locking structure. The locking structure comprises a barrel body, a ball body, a locking seat, a conical gear rotating seat, a bearing and a locking driving rod, and the ball body, the locking seat, the conical gear rotating seat and the bearing are all arranged in a locking cavity of the barrel body; the bearing is arranged at the bottom of the locking cavity; the conical gear rotating seat is rotatably mounted on the bearing, the conical outer surface of the conical gear rotating seat is provided with teeth, and the side wall of an inner ring is provided with an inner thread; a rotary knob is arranged at one end of the locking driving rod, the other end of the locking driving rod passes through the barrel body and extends into the locking cavity, the end of the locking driving rod is provided with a bevel gear, and the bevel gear is connected with the teeth of the conical gear rotating seat in an engaged manner; and the circumferential side surface of the locking seat is provided with an outer thread, the locking seat is arranged in the inner circular ring of the conical gear rotating seat, the outer thread is connected with the inner thread in a matched and engaged manner, and the locking seat moves up and down under the action of the conical gear rotating seat. The locking structure is stable and reliable in locking effect, ingenious and compact in structure, low in axial height and production cost, small in size and convenient to use and carry.

Provided is an expandable and high-reliability hydraulic lock. A shell is provided with a main oil way connector and a control oil way connector and internally provided with control valve element mounting cavities and lock closing cavities used for mounting main valve elements; a control valve element is composed of two valve element bodies of different diameters, and the installation cavity provided with the valve element of the small diameter communicates with the corresponding lock closing cavity; the control oil way connector communicates with a lock opening control cavity and a lock closing control cavity through flow channels, the lock opening control cavity communicates with the corresponding control valve element mounting cavity through one flow channel and is located outside the outer end face of the control valve element body of the big diameter, and the lock closing control cavity communicates with the inner end face of the control valve element of the big diameter through one flow channel; the main valve elements are mounted in the lock closing cavities through reset springs and plugs, and the control valve element mounting cavities are sealed through plugs mounted on the shell; when the hydraulic lock is opened, the hydraulic lock opening control cavity is filled with high pressure oil, and the control valve element bodies push the main valve elements to move outwards, and the main oil way is opened; and when the hydraulic lock is closed, the lock closing control cavity is filled with high pressure oil, the control valve element bodies move outwards, and the main valve elements cut off the main oil way under the effect of the reset springs.

An applicator roll (1) is described for a labeling apparatus for paying out and applying self-adhesive labels, which with each operating cycle moves one self-adhesive label into a dispensing position underneath an applicator roll. Depending on the printing mechanism used in the labeling apparatus, whether printing an even or an odd number of digits, it is advantageous to arranged a profiled ring (32) formed on a sleeve (31) of the applicator roll (1) in the center or off center. In addition, label formats of different widths require applicator rolls of different widths. These problems are solved in the applicator roll (1) described here in that its sleeve (31) supports two cylindrical jackets (34) on either side of the profiled ring (32). The cylindrical jackets (34) are axially displaceable on the sleeve (31) and can be releasably, positively locked in several positions against axial shifting, preferably by mutual engagement of an annular collar (38) and an annular groove (40). In this way, the applicator roll (1) can be adapted to printing mechanisms with even or odd numbers of digits and to labels of different widths.

The invention provides an elevator hall door lock and an elevator system thereof. The elevator hall door lock includes: a door lock base plate, a lock hook plate, a mechanical lock mechanism and an electrical switch mechanism; wherein, the door lock base plate is connected with the lock hook plate through the lock hook plate rotation shaft, and rotates through the lock hook plate Thereby driving the mechanical lock mechanism and the electrical switch mechanism to complete the opening and closing action. The elevator hall door lock provided by the invention completes the opening and closing action with the rotation of the lock hook plate, has the advantages of high precision, safety and reliability, and is suitable for door systems requiring mechanical locks for car doors.

The invention discloses a compact type energy-saving electromagnetic operating mechanism which comprises an electromagnetic mechanism, a counter-force spring and a switch-on and switch-off assembly. The switch-on and switch-off assembly comprises a lever support and a fixed pivot, wherein the lever support is arranged above the electromagnetic mechanism and extends in the horizontal direction, and the fixed pivot enables the lever support to rotate around the lever support. The counter-force spring is connected to one side of the lever support in a hung mode. A movable iron core is connected with the middle appropriate position of the lever support through a matching and connecting structure, and therefore the lever support drives the movable iron core to carry out rectilinear motion without interference through rotation motion. The overall height of the electromagnetic operating mechanism is reduced greatly through the ingenious design of the lever support, and therefore a multifunctional terminal electric appliance using the electromagnetic operating mechanism can be mounted in an electric meter box easily. The compact type energy-saving electromagnetic operating mechanism further comprises an energy-saving mechanism which comprises a lock catch unit and an energy-saving unit. The lock catch unit is used for locking the movable iron core moving to a pull-in position. Meanwhile, the energy-saving unit controls a coil to be powered off, the purpose that the coil of the electromagnetic operating mechanism does not need to be powered on when the electromagnetic operating mechanism is switched on, and a large amount of electric energy is saved.

The invention relates to a scaffold connector for building construction, which includes two clamping component groups, a connecting component, a detachable clamping unit, and an emergency buffer ring group. The two clamping component groups are connected by a connecting component. A detachable clamping unit is provided at the right end of the clamping component group arranged on the right side, and an emergency buffer ring set is connected to the lower ends of the two clamping component groups. The present invention can solve the problem that due to the immobilization of the structure of the existing connectors, it is impossible to adjust adaptively according to the angle and position changes between the two steel pipes during use. The connecting piece forms an effective connection. When the connecting piece is tightly locked with the steel pipe in the upright state, it may be affected by gravity and show a downward trend. It is difficult for personnel to find it in time, and the personnel are still working on the scaffold platform. It is difficult to bear the gravity and slide down, which leads to localized collapse of the scaffolding and other problems.

The invention relates to a low-axis universal spherical head, which includes a quick-installation seat and a low-axis universal seat. The low-axis universal seat includes a universal ball, an inner locking sleeve and an outer locking seat, and the universal ball and an inner lock The tight sleeve is installed in the outer locking seat, and the inner locking sleeve is set on the universal ball, and the quick mounting seat is installed on the connecting seat of the universal ball; the inner locking sleeve and the outer locking seat are respectively equipped with longitudinal inner locking avoidance The opening and the horizontal inner locking avoidance port, the longitudinal outer locking avoidance port and the lateral outer locking avoidance port, the inner locking sleeve and the outer locking seat respectively form the left and right locking parts, the left locking and the right locking part; when locking the universal ball, operate the screw locking mechanism on the left locking part and the right locking part, so that the left locking part and the right locking part drive the locking part and the right locking part Close to each other, tighten inwards, hug and cling to the universal ball. In this way, the angle of the quick mounting seat can be adjusted and locked conveniently and quickly arbitrarily, which is stable and reliable, and has an ingenious and compact structure, which reduces the axial height and cost of the pan / tilt.

This application relates to a locking device for civil air defense doors, which includes a locking mechanism. The locking mechanism includes a transmission shaft that rotates inside the door leaf; transmission gears are fixed at both ends of the transmission shaft; Rack; one end of the transmission rack is equipped with a lock that fits with the door frame; the middle of the transmission shaft is provided with a worm gear; the door leaf is rotated with a drive shaft; the drive shaft is provided with a worm meshing with the worm gear; Mechanism; the sealing mechanism includes a rotating shaft arranged on the outside of the door leaf and a sealing beam arranged on the rotating shaft; the driving shaft and the rotating shaft are connected through a synchronous assembly; the synchronous assembly includes a first pulley arranged on the driving shaft, and a rotating The connecting shaft, the second pulley arranged on the connecting shaft and the timing belt sleeved on the first pulley and the second pulley; one end of the connecting shaft is provided with a first bevel gear; the rotating shaft is provided with the first bevel gear meshing second bevel gear. The application has the effect of improving the locking efficiency of the air defense door.

The invention discloses a secondary shaping device and method for an outlet of a fiber rod forming machine. The secondary shaping device comprises a mounting frame and a secondary shaping mechanism; and the secondary shaping mechanism comprises a mounting plate, a secondary shaping cylinder and a secondary shaping mold. The secondary shaping mold is installed at the outlet of the fiber rod forming machine, and secondary shaping is conducted on a fiber rod stretching out of the outlet of the forming machine, so that the problem that expansion is prone to being generated only through one-time forming is avoided, and the production size precision of the fiber rod is improved; and furthermore, the secondary shaping mold is directly pressed in the secondary shaping cylinder through a single-side pressing assembly, so that fiber rods with different diameters can cause the diameter change of the secondary shaping mold to result in the phenomenon that the secondary shaping mold and a primary shaping mold are not coaxial, namely, mounting adjusting holes need to be formed in a mounting plate, the coaxiality between the secondary shaping mold and the primary shaping mold is conveniently adjusted to adapt to the diameter change of the fiber rod, and the production size precision of the fiber rod is further guaranteed.