162 results about "Forward sliding" patented technology

An auto opening folding knife having a blade pivoted from a closed position to a spring urged release open locked position with a combined self-activating sliding auto release and locking arm. The sliding auto release and locking arm is mounted within the knife handle on dual fixed guide and pivot pins within respective arm openings being spring urged there against. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure.

The utility model relates to the technical field of ship manufacturing, and discloses a groove compensator which comprises a base, a hydraulic module, a laser module and walking wheels, the side face of the base is fixedly connected with the hydraulic module, the front face of the base is fixedly connected with a first inserting tenon, the base is connected with the laser module in a sliding mode through the first inserting tenon, and the laser module is connected with the walking wheels. And walking wheels are arranged at the bottom of the base. According to the groove compensator, the lineation module is installed, after needed data are measured, the lineation module can be moved into a data position, then a straight line is drawn from a marking point of the data, and through the use of the lineation module, a worker does not need to mark on the two sides of steel after measurement is completed, and only needs to complete measurement marking on one side; and then the scribing module slides forwards straightly from the marked position, so that the workload of workers is reduced, and compared with a traditional method that the workers manually stroke straight lines, the straight lines drawn by the device are straighter, so that the cutting difficulty of the workers is reduced to a great extent.

The invention belongs to the technical field of steel pipe cold drawing, and particularly relates to a cold drawing device for machining seamless steel pipes and a cold drawing method thereof.The cold drawing device comprises a base, a fixing frame is fixedly installed on the base, multiple sets of layer plates are arranged on the fixing frame from top to bottom at equal intervals, and stabilizing boxes are fixedly installed on the layer plates; the front side of each stabilizing box is fixedly provided with a mold for performing cold drawing operation on a steel pipe, one side, far away from the stabilizing box, of the mold is provided with a traction head, a rotating rod can be driven to rotate by starting a motor II, so that a gear I drives a toothed plate I to slide forwards, and when the toothed plate I slides forwards, the traction heads on the front sides of the stabilizing boxes can move forwards; a plurality of steel pipes are subjected to cold drawing after penetrating through the die, local stress concentration and snapping can be avoided through synchronous cooperative operation of the arranged pushing part and the traction head, the pushing part exerts pushing force from the rear portion, the traction head exerts pulling force from the front portion, the two forces form resultant force on the steel pipes, power sources are unified, and automatic synchronization of the pushing force and the pulling force is guaranteed.

A foldable electric bed includes pivotally connected front and rear frames, first buttock and back supporting units linked together and slide on the front frame, a first actuator disposed with the first buttock and back supporting units, a bottom frame slidably disposed with the rear frame, second buttock, thigh and lower leg supporting units linked together and disposed with the bottom frame, a quick release connected with the first and second buttock supporting units, and a second actuator disposed with the thigh supporting unit and the bottom frame. When the back supporting unit is driven by the first actuator to swing upwardly, the first and second buttock supporting units, the bottom frame, and the thigh and lower leg supporting units are driven to slide forwards.

The invention provides a firework inner barrel feeding device and method and combined firework production equipment, and relates to the technical field of firework production equipment, and the firework inner barrel feeding device comprises a first layer platform, a first pushing mechanism and a second pushing mechanism. An inner cylinder can be vertically placed on the first layer of platform, and a plurality of flow dividing channels and feeding sliding ways are arranged on the first layer of platform. The first pushing mechanism is provided with a first pushing piece used for pushing the inner cylinder and a first driving assembly. The first driving assembly is used for driving the first pushing piece to act; the first pushing piece is used for pushing the inner barrels in the feeding sliding way from the rear portions of the inner barrels to the front portions of the inner barrels so that the inner barrels in the feeding sliding way can be kept in a gathering state when sliding forwards. The second pushing mechanism comprises a second pushing piece, a protecting and holding piece and a second driving assembly; the second driving assembly is used for driving the second pushing piece and the protecting and holding piece to act; the second pushing piece and the protecting and holding piece are both located behind the first pushing piece. According to the feeding device, the inner barrel can be prevented from toppling over in the inner barrel feeding process, and the continuity of the feeding process is ensured.

The chain type cargo conveying mechanism comprises a machine body, multiple sets of conveying units, limiting units and a locking unit, each conveying unit comprises a triggering assembly, a bearing assembly and a connecting assembly, the bearing assemblies and the connecting assemblies are located on the two sides of the triggering assembly respectively, and the two sets of limiting units are symmetrically arranged on the two sides of the triggering assembly. The limiting unit comprises a supporting part and a limiting part located above the supporting part, the triggering assembly controls the limiting unit to rotate, and then the limiting part limits goods; and the locking unit comprises a locking assembly arranged on the supporting part and two unlocking units fixedly installed on the two sides of the machine body conveying terminal correspondingly, and the locking assembly has a locking function and a rotating function. Through the conveying unit and the limiting unit, precise limiting and flexible protection are combined, and therefore the problem that due to the fact that an existing conveying mechanism is suddenly paused or blocked, goods slide forwards relative to a conveying chain and even rush out of a conveying path is solved.

The utility model relates to a clamp for a piston with a draft angle on the side wall of an inner cavity in the field of manufacturing of aluminum pistons of internal combustion engines, which is characterized in that according to the draft angle characteristic of the side wall of the inner cavity of the piston, a clamp positioning point adopts the inclination with the same size as that of a corresponding positioning point of the piston, and the inner side wall of the piston is tensioned by an inclined surface to realize the effect of fixing the axis of the inner cavity of the piston; the contour shape, size and inclination of the clamp positioning point are the same as those of the corresponding position of the side wall of the piston inner cavity, so that the shape of the positioning position on the clamp is completely matched with that of the piston inner cavity, and the positioning precision is effectively improved; under the condition that the actual size change of the side wall of an inner cavity of a piston blank is large, the clamp positioning element can automatically slide forwards under the action of spring force, and the inclined surface of the positioning element is always pushed to the draft inclined surface of the inner side wall of the piston, so that the inner side wall of the piston is always in a tensioned state, the size change of the blank is automatically adapted, and accurate and reliable positioning is ensured; therefore, the piston inner cavity wall thickness difference is controlled.

A folding knife having a blade pivoted from a closed position to a manual release open locked position with a combined apertured sliding release and locking arm. The sliding release and locking arm is mounted within the knife handle on a fixed guide pin within an arm opening being spring urged there against. Arm positioning pins extends in oppositely disposed relation to one another from the locking arm providing dual frame engagement within respective guide slots therein. Arm positional projections are engaged on a modified blade shank during operation moving the locking arm back and up then releasing to slide forward locking the blade in auto open use position until manual arm engagement by the user against the arm spring and blade spring for release and transitional closure. Arm access operation is available secondarily via pin access opening in the exterior handles for alignment operation.

The I-shaped steel welding tool for green building construction comprises a machine tool, a conveying pipe and a workpiece, the machine tool is provided with a clamping and conveying assembly, the clamping and conveying assembly is used for conveying and clamping the workpiece, the machine tool is further provided with a positioning and clamping assembly, and the positioning and clamping assembly is used for clamping and fixing the two ends of the workpiece when the workpiece is welded. A cooling assembly is arranged on the machine tool and used for cooling the welding end of the workpiece when the workpiece is welded. According to the clamping device, the motor is started to drive the half gear to rotate so as to drive the first rack to slide on the first guide rod in a reciprocating mode, when gear teeth at the upper end of the first rack are meshed with the first gear, the two clamping plates slide oppositely to clamp a workpiece, and the gear teeth at the upper end of the first rack are shorter than the lower end of the first rack; and the half gear can drive the first rack to continuously slide forwards until the lug at the tail end of the first rack drives the whole mounting box and the workpiece to slide forwards.

The present application relates to coal mine supporting technical field, specifically to a kind of lifting type supporting device for underground coal mine, including base, support column, mobile jack, hydraulic controller, protective beam, roof beam plate, support assembly, connecting assembly, moving assembly and contact zone;Support assembly extends outside roof beam plate in initial state, when supporting device needs to move forward, the support column is relieved, after the base and roof beam plate slide forward a standard step, the support column is raised and supported, the connecting assembly is disconnected, support assembly returns to inside roof beam plate, after moving assembly pushes support assembly forward a standard step, support assembly extends outside roof beam plate, and connecting assembly is connected with the connecting assembly of two side supporting devices, solve the problem that when the rock layer above is too loose, when hydraulic support removes support, the loose rock on top can not wait for the "stress arch" of adjacent frame to form completely, and instantaneously collapse.

The application discloses an environment-friendly automobile tire tread processing machine tool and relates to the technical field of tire tread processing. The machine tool comprises a machine tool, fixed mechanisms and polishing mechanisms which are fixedly connected with the top edge positions of the machine tool respectively, a processing mechanism which is fixedly connected with the top of the machine tool, and a cleaning mechanism which is rotatably connected with one side of the machine tool. When it is necessary to fix the tire, a second motor is started to drive the rotation of a first screw rod, so that a sliding frame slides on the surface of the machine tool. At the moment, the sliding frame is separated from the contact of a first rotating shaft, and a space is left between the polishing mechanism and the fixed mechanism. A staff member can sleepe the tire on the fixed mechanism with the first rotating shaft as the center. Before this, a sliding disc slides forward along the first rotating shaft under the extrusion of a connecting spring, a push rod pushes a push block to slide forward, a connecting rod is pushed by the push block and a connecting block, the angle of a fixing rod in the vertical direction is increased, the fixing rod expands outward, the height of an arc-shaped block is increased, and the tire is placed above the arc-shaped block.

The utility model discloses an automobile seat capable of integrating leg support and cushion extension functions, which comprises a leg support assembly and a cushion assembly, the cushion assembly comprises a seat frame skeleton, a seat basin bracket and a cushion extension plate, the seat frame skeleton and the seat basin bracket are mutually fixed, a fixed bracket is fixedly arranged on the seat frame skeleton, a movable bracket is connected to the fixed bracket in a front-back sliding manner, and the cushion extension plate is arranged on the movable bracket. A driving mechanism is arranged between the movable support and the fixed support and can drive the movable support to slide front and back along the fixed support, the rear end of the leg support assembly is fixed to the movable support, and the cushion extension plate is arranged at the front end of the top face of the seat basin support, connected with the seat basin support in a front-back sliding mode, penetrates through the seat basin support and is fixedly connected with the movable support. When the driving mechanism drives the movable support to slide forwards, the seat cushion extension plate can be driven to slide forwards so as to lengthen the seat cushion, and meanwhile the leg support assembly can be driven to move forwards as a whole. Reasonable integration of the leg support and the cushion extension function is achieved, and interference between the leg support and the cushion extension function is effectively avoided.

The utility model provides a kind of refrigeration device, including box, its formation refrigeration device shell;The bottom of box is equipped with press storehouse, the front side wall of box is equipped with mounting port;Condenser, is located in press storehouse;Filter piece, is located in the front side of condenser;First slide rail, fixedly connected in press storehouse interior, first slide rail is equipped with two, two first slide rail is separately located in the opposite sides of filter piece, the opposite sides of filter piece are respectively with first slide rail slidingly connected;The end of first slide rail is forwardly extended arrangement and forms curved connecting portion, and the end of filter piece is forwardly extended and is slidably connected with curved connecting portion correspondingly;Mounting port is located in the front side of the front end of curved connecting portion;Puller, is located in the front end of filter piece, puller rear end is connected with the front end of filter piece, and the front end of puller is exposed in mounting port;Wherein, puller can drive filter piece to slide forward along first slide rail and curved connecting portion, to leave press storehouse by mounting port.

The utility model relates to the technical field of control cabinets, and discloses an electrical equipment control cabinet for hydraulic engineering, which comprises a cabinet body and a driving assembly arranged on the outer side of the cabinet body. The transmission shaft drives one end of the first rotating rod to rotate with the first rotating rod as the circle center, and the other end of the first rotating rod drives the second rotating rod to move in the parallel direction along with the change of the rotating angle, so that the control switch slides forwards along the sliding groove and then reaches the outer side of the cabinet body, and the maintenance convenience is improved; air in the cabinet body is extracted through the fan, flows through the condenser and exchanges heat with a refrigerant in the condenser, then water vapor in the air is cooled and condensed on the surface of the condenser, meanwhile, the humidity in the air is rapidly reduced, then the dehumidified air enters the shell through the conveying pipe, and after the moisture is further absorbed through the dehumidification plate, the air in the shell is conveyed to the cabinet body through the conveying pipe. Therefore, the circulation is completed, and the operation stability of the electrical equipment is improved.

To provide a food container conveyance device that stores food in a container such that the food is not easily shifted to one side, and can easily convey the container to the next process after storing the food therein.SOLUTION: A food container conveyance device places a container 21 on a placing part 40 with a lifting conveyance part 60 in a receiving state, and receives food in the container 21 while moving the container 21 below a discharge port 13 by a rotation mechanism 50, thereby making it difficult for the food to shift to one side within the container 21. Then, by switching the lifting conveyance part 60 to a conveyance state, the container 21 floats off the placing part 40 and is placed on a sliding surface 61c that is inclined downward toward the front, and the container 21 slides forward on the sliding surface 61c under its own weight and is conveyed. With such a simple configuration, the container 21 containing the food can be conveyed to the next process.SELECTED DRAWING: Figure 3

The utility model discloses a high-speed abrasive drill, which belongs to the technical field of abrasive drills, and comprises an abrasive drill body and a grinding head assembly, the side wall of the front end of the abrasive drill body is provided with a ball, a sliding sleeve and a sleeve spring in a sliding manner; the grinding head assembly comprises a grinding head, a first protective pipe, a front protective cover and a rear protective cover, and an annular groove is formed in the outer side of the rear protective cover; the rear end of the grinding head can be detachably inserted into the grinding drill body; guide pipes are arranged inside two ends of the first protective pipe. By overcoming the elastic force of the spring, the sliding sleeve slides backwards, and the grinding head assembly and the grinding drill body can be conveniently and rapidly disassembled and assembled; after the grinding head assembly and the grinding drill body are inserted in place, the sliding sleeve slides forwards, the balls are squeezed inwards and clamped into the annular groove, and reliable installation of the grinding head assembly and the grinding drill body is achieved. The guide pipes at the two ends can prevent the grinding head from making direct contact with the first protective pipe, heat generated by relative friction is effectively reduced, the design diameter of the grinding head is effectively increased, and the grinding head is prevented from being broken. The overall structure is simple, implementation is easy, and practicability is good.

The utility model relates to the technical field of plastic particle processing, in particular to a plastic particle processing cutting machine structure which comprises side edge plates installed on the front side and the rear side of a base, and a material cutting and cleaning mechanism used for cutting and processing plastic particles is arranged between the side edge plates. And a lifting adjusting assembly for driving the cutting and cleaning mechanism to move up and down for adjustment is arranged on the side edge plate. The driving motor drives the rotating shaft to rotate in the mounting block, then the roller on the rotating shaft is driven to rotate, the cutting blades are driven to rotate to cut plastic strips into granules in a segmented mode, circulating granulation is achieved through the annularly-arranged cutting blades, the granulation efficiency is improved, the electric sliding table moves forwards along the electric guide rail, and the granulation efficiency is improved. And then the cleaning sliding sleeve on the connecting rod at the bottom is driven to slide forwards and is arranged on the roller and the cutting blade in a sleeving mode to move forwards, a plastic film attached to the cutting blade is wiped and scraped off, and therefore cleaning of the cutting blade is achieved, and the sharpness of the cutting blade is maintained.

To provide a deck board mounting structure capable of facilitating taking-in / out operation of an article to / from a recessed part for article storage, and properly preventing a user's hand from being strongly caught between a deck board and a back door.SOLUTION: The deck board mounting structure A is provided with deck board position regulating means 43 and 66 for regulating the movement of the deck board 4 at least in the vehicle longitudinal direction in a state that the deck board 4 is laid on a floor part 13 of a luggage compartment 10 at the rear part of a vehicle so as to cover the upper side of an article housing recessed part 14b, and a slide support part 30 for deck board slidable to the front side of the vehicle by supporting the front part of the deck board 4 when the rear part of the deck board 4 is lifted up.SELECTED DRAWING: Figure 4

The utility model discloses an automobile seat capable of integrating cushion height adjusting and backrest flattening functions, which comprises a backrest assembly and a cushion assembly, the cushion assembly comprises a seat frame skeleton, the lower end of the seat frame skeleton is provided with a height adjusting mechanism, the lower end of the backrest assembly is hinged with the rear end of the seat frame skeleton through an angle adjuster, and the backrest assembly is connected with the backrest assembly. The seat cushion assembly further comprises a seat cushion upper support assembly, the seat cushion upper support assembly is arranged above the seat frame framework and connected with the seat frame framework in a front-back sliding mode, a driving mechanism is arranged between the seat cushion upper support assembly and the seat frame framework, and the driving mechanism can drive the seat cushion upper support assembly to slide front and back along the seat frame framework. The whole seat cushion upper support assembly is obliquely arranged in the mode that the front portion is high and the rear portion is low, and when the driving mechanism drives the seat cushion upper support assembly to slide forwards, the rear end of the seat cushion assembly can provide space for the backrest assembly to be turned flat, so that the backrest assembly can be turned flat forwards. According to the utility model, integration of two important functions is realized in one seat structure, and the use convenience and practicability of the seat are improved.

The utility model discloses a special double-color automobile body color register and separation tool for a new energy automobile, which comprises a mounting frame, the bottom of the mounting frame is in bolted connection with a connecting part, the rear part of the mounting frame is in bolted connection with an attaching part, the top of the mounting frame is fixedly connected with a patch mounting part, and the patch mounting part is fixedly connected with a fixing part. A positioning bolt is fixedly connected to the position, close to the bottom, of the mounting frame, the mounting frame is in bolt connection with the connecting part through the positioning bolt, a sliding column is fixedly connected to the position, close to the bottom, of the mounting frame, and the sliding column is slidably connected to the interior of an arc-shaped groove formed in the side wall of the connecting part; and a locking nut is in threaded connection with the outer wall, close to the end face, of the sliding column. The roller is lapped on the surface of the vehicle body, the color separation patch is mounted at the upper end of the tool, the handle is held by a hand to slide the roller forwards during operation, the pink patch is tidily adhered to the other surface of the vehicle body, the patch is mounted and adhered seamlessly, the operation quality is high, the special tool is high in color register efficiency, and the production takt is effectively improved.

The utility model relates to the technical field of anti-sliding devices, and discloses an inclined drift rail transportation anti-sliding device which comprises a supporting frame, a separation anti-sliding mechanism is arranged on the inner side of the supporting frame, and a guide lifting mechanism is arranged on the top of the separation anti-sliding mechanism. According to the anti-sliding device for inclined roadway rail transportation, the vertical beam is supported through the arranged supporting frame, a transported mine car is blocked through the inclined blocking rods, the situation of sliding of the mine car is avoided, when the mine car collides with the surfaces of the blocking rods, the blocking rods can be bent, then the backs of the large and small sliding rods make contact with the vertical beam, and therefore the mine car is prevented from sliding. The sliding large and small rod can slide forwards in the gear rod, at the moment, the small rod in the sliding large and small rod enters the slotting guide piece, the slotting guide piece is separated from the gear rod through the balance weight of the far-end balance weight body, and then the gear rod can be independently damaged; the situation that the pull rope is pulled, the far-end balance weight body rises, and the second limiting guide roller frame is damaged is avoided, and the follow-up maintenance cost is effectively reduced.

This invention belongs to the field of conveying equipment technology and discloses an asymmetrical workpiece conveying direction reversal device based on chain tooth transmission, including a ring conveying unit, a horizontal holding assembly, a reverse / forward pushing cylinder assembly, and a reverse / forward slide assembly. The ring conveying unit is equipped with a ring guide rail and a sprocket mechanism arranged along a vertical plane. The horizontal holding assembly is driven by a chain and slides synchronously along the guide rail, sequentially passing through the feeding, detection, reverse pushing, and forward pushing stations. The horizontal holding assembly achieves stable horizontal conveying of the workpiece pallet throughout the entire process by meshing a horizontal holding gear with the guide half gear of the central guide assembly in a 1:1 ratio, and cooperating with the guide notch and strip protrusion for limiting. After visual detection identifies the front and back of the workpiece, the reversed workpiece is flipped over via the reverse slide, and the front workpiece is directly conveyed via the forward slide, ensuring that the front faces upward. This invention eliminates the need for machine downtime and reciprocating reset, allowing for continuous and stable operation, effectively preventing workpiece displacement and overturning, and improving production cycle time and versatility.

The utility model relates to the technical field of numerical control milling machines, and discloses a modularized combined numerical control milling machine spindle box. According to the modularized combined type numerical control milling machine spindle box, through the arrangement of the lubricating box, the lubricating mechanism, the T-shaped sliding block and the driving mechanism, when the spindle box is combined and assembled, an oil outlet pipe passes through an oil outlet hole in the box bottom and then is inserted into a connecting pipe for oil pipe connection, and then the lubricating box is in threaded connection with the box bottom; then the sliding groove of the driving box slides forwards along the T-shaped sliding block, when the driving box slides to be in contact with the limiting block, the fixing rod is inserted into the driving box and the T-shaped sliding block in a penetrating mode through the fixing hole and is tightened and fixed through the fixing bolt, and therefore the internal structure of the spindle box of the numerical control milling machine is designed in a modularized mode, and a fault module can be rapidly replaced through the modularized design; the production loss caused by long-time shutdown is reduced, and meanwhile, the manufacturing cost of a single module is also reduced through the modular production mode, so that the maintenance cost is more economical.

The utility model discloses an agriculture and forestry picking device with a shearing mechanism, which comprises a main body unit, the main body unit comprises a fixed mounting piece, an upper fixing plate is rotatably connected in the fixed mounting piece, and a connecting frame is fixedly connected to the surface of one side of the upper fixing plate. The driving motor can drive the threaded rod to rotate, the threaded barrel in threaded connection with the threaded rod can push the moving plate to move forwards, the sliding rod fixedly connected with the moving plate slides forwards on the surface of the inner wall of the sliding groove, and then the shearing blade is driven to oppositely rotate on the inner wall of the connecting frame. Meanwhile, a fixing shaft fixedly connected with the shearing blade pushes a positioning rod to translate, a connecting plate fixedly connected with the positioning rod translates on the surface of a limiting rod, the limiting rod fixedly connected with the positioning rod clamps and positions the grape vines, and then the shearing blade shears the grape vines short, so that the number of driving mechanisms can be reduced, and the structure is simplified.

The utility model discloses a protection device for a water conservancy slope, which relates to the technical field of slope protection and comprises a slope protection main body, a guide plate is arranged on the front side of the slope protection main body, a cleaning mechanism comprises symmetrical sliding rods, the sliding rods are fixedly connected with the guide plate, the sliding rods are connected to the front end of the slope protection main body in a sliding manner, symmetrical sliding grooves are formed in the inner bottom wall of a through groove, and the sliding grooves are communicated with the guide plate. The top of the rear end of the sliding rod is fixedly connected with a connecting base, the upper end of the connecting base is fixedly connected with a movable inclined plate, the movable inclined plate is slidably connected into the through groove, the movable inclined plate is parallel to the inclined face of the slope protection body, and a plurality of equidistant filter baskets are fixedly connected to the movable inclined plate. The device has the beneficial effects that a guide plate drives a connecting base to slide towards the rear end of a sliding groove, so that a movable inclined plate drives a plurality of filter baskets to slide into a through groove, then the guide plate is far away from a slope protection body, the movable inclined plate drives the filter baskets to slide forwards, and at the moment, water flow moves in the direction far away from the slope protection body; garbage in water flow is filtered out through the multiple filter baskets.

The utility model discloses a double-slide-rail optical fiber cutting knife, which comprises a shell, a sliding seat and two slide rails, the two slide rails are fixed in the shell in parallel, two through holes are arranged on the sliding seat, the two slide rails respectively penetrate through the two through holes, copper sleeves are arranged in the through holes, and the copper sleeves are fixed on the sliding seat. The copper sleeve is arranged on the outer side of the sliding rail in a sleeving mode and is in sliding fit with the sliding rail, a cutting tool bit is arranged on the top of the sliding base, a push block extending out of the shell is arranged on the side portion of the sliding base, and a sliding base spring used for driving the sliding base to slide forwards is arranged in the shell. The cutting device has the characteristics of simple structure, low cost, high cutting precision and the like.

The quick-locking Christmas tree base includes a cylindrical section with a central receiving cavity. Locking sections are evenly spaced along the side walls of the cylindrical section, and a through hole is located on the top side wall of each locking section. A push rod bolt passes through the cylindrical section from the outer end of the locking section to the receiving cavity. A stop mechanism is located at the top of the locking section, comprising a sliding key, a stop plate, and a spring. The stop plate is fitted onto the outer wall of the bolt and engages between the second groove at the bottom of the sliding key and the first groove at the rear end of the mounting groove. Under the continuous pushing of the spring, the stop plate tilts backward, restraining the push rod bolt and preventing it from retracting. When fixing the tree trunk, simply push the push rod bolt forward. After fixing, the stop plate automatically returns to its natural state under the force of the spring, preventing retraction. For enhanced locking and position adjustment, the push rod screw can be rotated for adjustment. To unlock, slide the sliding key forward to the front of the opening and hold it; the push rod bolt can then be removed.

The utility model relates to the technical field of assembly tool, specifically relates to a kind of auxiliary assembly tool for vehicle wheel hub dust cover;Including base and mounting mechanism, mounting mechanism includes support seat, positioning plate, datum plate, limiting plate, plug, bolt, T-shaped threaded sleeve, adjusting device and locking device, first control locking device automatic relaxation, then remove two bolts after removing limiting plate and plug, the wheel hub clamp on positioning plate can be directly forward sliding to take out to complete disassembly, when wheel hub clamp disassembly, after locking device automatic relaxation, remove two bolts after directly removing limiting plate and plug can directly disassemble, the number of disassembly bolt is less in structure, and positioning pin structure does not need to be set, more conducive to convenient disassembly, in turn can be conducive to wheel hub clamp to realize quick replacement when wheel hub dust cover assembly is carried out.

The utility model relates to the technical field of logistics management, and discloses an intelligent logistics cargo fixing device which comprises a main supporting plate, a clamping structure is arranged on the upper surface of the main supporting plate, a movable clamping plate is connected to the surface of the clamping structure in a threaded mode, a movable groove is formed in the surface of the movable clamping plate, and the movable clamping plate is connected with the main supporting plate in a threaded mode. And a movable rod is movably connected into the movable groove. The clamping structure is roughly adjusted, then the round blocks are sequentially pushed towards the rear end, the shapes of the round blocks accord with the pushing of a palm, so that the movable rod slides in the movable groove, the clamping groove is shaped like a right trapezoid, and the inclined clamping block is also shaped like a right trapezoid matched with the clamping groove. By means of the device, the problem that due to the fact that the sizes of the logistics goods are different, the small logistics goods cannot be fixed in the fixing process, and consequently the logistics goods shake in the transportation process is solved.

Disclosed in the present invention is an anti-pinch foldable load-bearing furniture, comprising a load-bearing panel and two X-shaped supports symmetrically arranged on two sides of the load-bearing panel, wherein each X-shaped support comprises a front leg and a rear leg which are rotatably hinged, the upper end of the rear leg being hinged to a bottom face of the load-bearing panel, the upper ends of the two front legs being respectively slidably connected to a left side face and a right side face of the load-bearing panel and sliding back and forth along the left side face and the right side face of the load-bearing panel, and the upper ends of the two front legs extending upwards and being connected to form a handle. By grasping the handle and the front end of the load-bearing panel, then moving the handle toward the front end of the load-bearing panel, the upper ends of the front legs slide forwards along sliding guide rails, and the foldable load-bearing furniture is folded. During this process, there is no need to place hands on the part of each X-shaped support that is below the load-bearing panel; thus, the problem of hand pinching during the reduction of the angle between the front legs and the rear legs is avoided, resulting in high safety and a good user experience.