125results about How to "Avoid pinching" patented technology

This invention discloses a testing device and method for liquid crystal display modules, relating to the field of liquid crystal display module testing technology. The device includes a base, a flipping bracket, a housing, and a testing platform. The testing platform is equipped with a bidirectional clamping device driven by a first motor for automatically clamping the liquid crystal display module for bending resistance testing, and an auxiliary bending mechanism to ensure uniform force distribution. The housing also houses a click-resistance testing mechanism, including an electric hammer, a pressure sensor, and a displacement sensor, for testing the screen's resistance to click pressure. After testing, debris is automatically removed by a multi-stage cleaning mechanism including a scraper and a spray nozzle. When the testing platform flips, the spray nozzle moves closer to the testing platform to improve the cleaning effect. This invention features a high degree of automation, integrating bending resistance testing and click testing, providing accurate testing and thorough cleaning, effectively improving the efficiency and safety of liquid crystal display module mechanical performance testing.

The invention relates to the technical field of enameled round wire processing equipment, and discloses an enameled round wire anti-pinch winding reel guiding and limiting structure which comprises a workbench, the top of the workbench is fixedly connected with a deviation rectifying mechanism, and the deviation rectifying mechanism is used for conducting real-time guiding and deviation rectifying on an enameled round wire in the winding process to prevent uneven winding or wire clamping. The top of the workbench is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with a limiting mechanism, the limiting mechanism is used for conducting internal tight supporting and fixing and rotary driving on a winding reel and adapts to installation of winding reels of different specifications, and the top of the workbench is fixedly connected with a cutting mechanism. An electric push rod drives a connecting rod to drive a first sliding block to slide in a first fixing frame, then a deviation rectifying roller is driven to do horizontal reciprocating motion, the problem that in the traditional wire winding process, wire accumulation or uneven gaps are likely to occur is solved, the tightness and uniformity of wire arrangement on a winding reel are guaranteed, and the production efficiency is improved. And the overall production quality of the product is improved.

The utility model discloses a vertical hinged door structure which comprises a door frame and a door leaf installed on the door frame, the door leaf is provided with a first door handle and a second door handle which can rotate synchronously, the door leaf is provided with a supporting piece, a telescopic rod is arranged in the supporting piece, and the first door handle or the second door handle rotates to drive the telescopic rod to stretch out and draw back. The telescopic rod extends out of the supporting piece to the door frame to limit closing of the door leaf. The main door frame and the door leaf can be clamped through the telescopic rod so as to limit closing of the door leaf, meanwhile, the abutting piece on the door handle drives the telescopic rod to stretch out and draw back, the telescopic rod can be retracted only when a user holds the door handle and rotates the door handle, the door leaf can be normally closed, and therefore the hands are prevented from being pinched.

The utility model relates to the technical field of safety elevator doors, and discloses a safe and stable elevator door system which comprises an elevator car, motors are fixedly connected to the left end and the right end of the elevator car, moving rods are fixedly connected to the left side and the right side of the upper end of the elevator car, and rotating shafts are fixedly connected to the output ends of the motors. The upper end of the rotating shaft is fixedly connected with a moving plate, the other end of the moving plate is rotatably connected with an auxiliary plate, the middle of the moving rod is slidably connected with a moving block, and the auxiliary plate is rotatably connected with the moving block. According to the utility model, the output end of the motor drives the rotating shaft to rotate, the machine door is fixed below the connecting strip, and the synchronous signal generators are mounted on the left and right power sources for synchronization, so that a double-driving-force feedback mechanism is realized, the stable operation of the door is ensured, and the risk that the whole system stops swinging due to a single-point fault is greatly reduced; the problems that the whole door system fails, and the maintenance difficulty and cost are increased are solved.

This utility model provides a seat cushion structure and a shared vehicle, relating to the field of vehicle technology. The seat cushion structure includes a seat cushion assembly, a suspension, a shock absorber assembly, and an elastic protective structure. The suspension is connected to the seat cushion assembly; the shock absorber assembly is disposed between the seat cushion assembly and the suspension; and the elastic protective structure is sleeved on the shock absorber assembly. This utility model, through the cooperation of the seat cushion assembly, suspension, shock absorber assembly, and elastic protective structure, not only improves the shock absorption effect and enhances user comfort but also reduces the safety risks associated with exposed shock absorber components, resulting in better safety during use.

The utility model relates to insulating sleeve processing device technical field discloses a kind of clamps for insulating sleeve processing, including support plate and the insulating sleeve being set above support plate, further include: adjusting part, adjusting part is set above support plate;Clamping part, clamping part is installed on support plate;Adjusting part includes adjusting assembly, adjusting assembly is set above support plate;And drive assembly, drive assembly is installed on adjusting assembly;Adjusting assembly includes two supports one being set above support plate, the side of two supports one mutually close is fixedly connected with support two, the inner wall of two support two is fixedly connected with connecting rod one, the outer wall of two connecting rod one is hingedly set with two clamps, and moving piece is set on two clamps.The utility model can be clamped the insulating sleeve of different diameters, improves the adaptability of clamp to multiple specifications sleeve, enhances the convenience of use, and different positions of insulating sleeve are conveniently processed by moving piece.

The utility model belongs to the field of sliding door and window, especially a kind of sliding door and window with anti-pinch structure, to the current problem that there is no effective speed reduction when closing, avoid hand clamping when window body is staggered when opening, leading to the problem of hand clamping in the operation process of user, present the following scheme, it includes window frame and two window bodies, two the window body sliding is set in the inboard of window frame;Two the window body all be provided with buffer mechanism for buffering to prevent hand clamping when window body is closed, the window body is provided with anti-pinch mechanism for being abutted with another window body after one of window body is opened, avoid hand clamping when two window bodies are staggered.The utility model in the present application is combined by buffer mechanism and anti-pinch mechanism, which can effectively reduce the closing speed of window body, reduce impact force, prevent hand clamping, adjust the distance between two window bodies after opening, avoid staggered hand clamping, and comprehensively ensure the safety of user in the process of sliding door and window.

The utility model belongs to the technical field of subway pedals, and provides a subway vehicle-mounted platform clearance compensation pedal which comprises a base and a lingual plate, at least two T-shaped guide rails are symmetrically arranged on the base, at least two T-shaped sliding grooves are symmetrically formed in the lingual plate, the two T-shaped guide rails are connected into the two T-shaped sliding grooves in a sliding mode respectively, and the lingual plate is connected with the base. The bases and the tongue plates are uniformly distributed in the horizontal direction, an upper cover plate is arranged on the bases, a plurality of first screw holes are formed in the side edge of the upper cover plate, and a driving assembly is arranged on each base; the electric push rod of the driving assembly drives the tongue plate to automatically stretch out and retract through the connecting component, the gap between the subway door and the platform is effectively compensated, passengers can conveniently get on and off the subway, and the passengers carrying luggage, pushing baby carriages or having difficulty in moving are not prone to being stumbled by the gap and prevented from falling down and being injured. And feet of passengers or luggage are prevented from being clamped between the bus door and the platform, and the phenomenon that the luggage is clamped or damaged is avoided.

This utility model relates to the field of automatic screw fastening machine technology, specifically an automatic screw fastening machine, comprising: a machine base, a transmission groove formed at the top center of the machine base, an opening and closing screw inserted into the transmission groove, one end of the opening and closing screw extending from the front end of the machine base, the extended end of the opening and closing screw being connected to a handle, a telescopic column elastically connected to the middle of the handle, a telescopic groove formed at the bottom of the telescopic column, and an insertion pin elastically connected in the telescopic groove; multiple sets of limiting slots are formed around the rear end of the machine base; the beneficial effect is that the automatic screw fastening machine proposed in this utility model first places the mold at the top center of the machine base, and then, by pressing the extrusion plate towards the inside of the telescopic column, the extrusion plate drives the bottom hinged connecting block to slide in the connecting slot, and by sliding inward, pushes the telescopic column out of the telescopic groove a certain distance, so that the telescopic column drives the bottom connected insertion pin to disengage from the limiting slot.

This utility model relates to the field of molding equipment technology, specifically to an automatic PTFE flat sheet film stamping and forming equipment. It includes a main body, on one side of which are a box-feeding groove and a receiving groove arranged side-by-side. A first conveyor belt is located on the side of the box-feeding groove away from the main body. A first electric telescopic rod is fixedly connected to the side of the first conveyor belt away from the receiving groove. A collection box is located inside the box-feeding groove. A sliding groove is located on the side of the box-feeding groove near the receiving groove. A second electric telescopic rod is fixedly connected to the side of the box-feeding groove away from the receiving groove. A seventh electric telescopic rod is fixedly connected to the end of the receiving groove away from the first conveyor belt. Compared with existing automatic PTFE flat sheet film stamping and forming equipment, this utility model improves the overall practicality of the automatic PTFE flat sheet film stamping and forming equipment through its design.

This invention relates to the field of robotic welding technology, specifically to a self-resetting welding device and method. The self-resetting welding device includes: a housing assembly having at least one opening; a tilting assembly located within the housing assembly, at least a portion of which is rotatable relative to the housing assembly; the tilting assembly is detachably connected to the housing assembly; a welding assembly extending axially, at least a portion of which is located within the housing assembly; wherein the tilting assembly is sleeved on at least a portion of the welding assembly; a first reset assembly, with both ends perpendicularly connected to at least a portion of the tilting assembly and the housing assembly, respectively; and a protective assembly disposed on the outer periphery of the housing assembly and extending radially to cover the opening; the protective assembly and the first reset assembly extending radially and spaced axially by a predetermined distance. This addresses the problem of how to rationally arrange the reset assembly and the protective assembly to avoid mutual interference while simultaneously achieving dual protection of the welding assembly's reset and internal safeguards.

This utility model relates to the field of advertising light box technology, and provides an advertising light box with anti-theft function, including a fixed mounting frame and a panel frame hinged to the top of the fixed mounting frame via hinges; a locking rod is provided on the fixed mounting frame; an unlocking lock is provided at the bottom of the panel frame, the unlocking lock including a hook seat, a hook, and a torsion spring; the hook seat is fixedly installed at the bottom of the panel frame; a rotating rod is provided at the bottom of the panel frame, the rotating rod being rotatably connected to the hook seat; the hook is fitted onto the rotating rod and can rotate with the rotating rod, the position of the hook matching the locking rod; when locked, the hook is hooked on the locking rod; a decorative plate is slidably connected to the side frame of the panel frame, the decorative plate sealing irregular protrusions when the fixed mounting frame and the panel frame are closed. This utility model solves the problem of poor anti-theft performance of traditional advertising light boxes due to exposed and easily damaged locks.

The utility model discloses a kind of hard alloy cutting edge welding positioning devices for superhard drill bit, including base, driving motor, positive and negative toothed bar, sliding block, U-shaped support, gear disc, circular ring, bolt, rubber pad and angle adjusting mechanism etc., angle adjusting mechanism contains support rod, fixed disc, limit hole, rotating shaft, gear column, bolt etc..Through driving motor drives positive and negative toothed bar, make sliding block move along sliding slot, adjust two circular ring spacing, rotate bolt, let rubber pad clamping cutting edge, rotate handle, through gear column and gear disc meshing adjustment angle, bolt is inserted into limit hole locking, the above structure has realized the accurate positioning of different specifications cutting edge, firm clamping and angle adjustment, improve welding quality and efficiency, reduce cost.

The application discloses a composite cable connecting assembly, a strain-type fitting and a mounting method, and belongs to the technical field of composite material products. The composite cable connecting assembly comprises a composite cable core, the composite cable core comprises a composite core rod and aluminum strands covering the composite core rod, a part of the composite core rod is exposed outside the aluminum strands, and the composite cable connecting assembly further comprises at least one tapered portion fixed to the composite core rod exposed outside the aluminum strands, wherein the tapered portion is integrally wrapped and solidified by the same material as the composite core rod, and an accessory is fixed to the composite core rod through fastening cooperation with an outer tapered surface of the tapered portion. The composite cable connecting assembly, the strain-type fitting and the mounting method have better fatigue resistance, high connection stability, light overall weight and the advantage of convenient construction.

The application discloses a sample tube cover opening device, which comprises a clamping rack, a clamping lifting mechanism, a clamping mechanism, a cover opening mechanism and a discharging mechanism. The clamping lifting mechanism is installed on the upper part of the clamping rack, the cover opening mechanism is installed on the lifting end of the clamping lifting mechanism, the clamping mechanism is installed on the lower part of the clamping rack and is located directly below the cover opening mechanism, and the discharging mechanism is slidably connected to the clamping rack and is connected with the clamping lifting mechanism. The cover and the test tube are separated by the cooperation of the clamping mechanism and the cover opening mechanism, and the degree of automation is high. In addition, a small guide column and a sliding block spring are arranged between the sliding block and the push block in the clamping mechanism, the sliding block spring has a good buffering effect, the test tube is prevented from being clamped and broken due to too large stress, and the clamping is stable and reliable.

This invention relates to the field of industrial robot technology and discloses a multi-axis linkage manipulator, including a base and a manipulator body. A rotating component is provided on the top of the base, and a box is fixedly installed on the other end of the manipulator body. A connecting mechanism extending to the top of the rotating component is provided on the inner side of the rotating component. The manipulator body is installed on the top of the connecting mechanism. A clamping mechanism extending to the left and right sides is provided on the inner side of the box. A linkage mechanism extending to the bottom of the box is provided on the clamping mechanism. A lifting mechanism extending to the front side is provided on the inner side of the linkage mechanism. This multi-axis linkage manipulator, by setting the connecting mechanism, places the connecting box into the rotating frame, aligns the locking block with the locking groove on the inner wall of the rotating frame, and starts the servo motor, thus achieving the purpose of easy assembly and disassembly of the base and the manipulator body. By setting the clamping mechanism, the linkage mechanism, and the lifting mechanism, the purpose of mechanical linkage for clamping and lifting is achieved.

This disclosure relates to a control method, device, and vehicle for contactless anti-pinch protection of vehicle windows, including: acquiring spatial motion status parameters of an obstacle relative to an onboard radar sensor on the window closing path, and obtaining the real-time position of the obstacle based on the spatial motion status parameters; generating movement parameters of the obstacle based on the real-time position at multiple time points; determining whether the obstacle meets threat conditions based on the spatial motion status parameters and movement parameters, wherein the threat conditions are used to characterize the risk of the obstacle being pinched; and triggering the window to perform anti-pinch operation when it is determined that the obstacle meets the threat conditions. This disclosure relies on the non-contact active sensing characteristics of radar, actively emitting electromagnetic waves for detection. Tens to hundreds of milliseconds before the glass and obstacle collide, the radar has already detected the obstacle's intrusion path, thereby achieving pre-collision intervention. This represents a technological upgrade from traditional passive motor load detection to active spatial sensing, allowing for early risk detection without physical contact with the obstacle.

The utility model discloses a clamp for stainless steel joint production, which comprises an inner collet chuck and an outer collet chuck movably sleeved outside the inner collet chuck, and a plurality of chucks are arranged at the head of the inner collet chuck. S-shaped grooves are formed in the chuck and the conical surface, so that clamping force is distributed more uniformly, and linear clamping damage to the surface of a workpiece is effectively avoided; meanwhile, the wear-resistant block is additionally arranged to reduce conical surface wear, and the wear-resistant block is detachable, replaceable and convenient to maintain; in addition, the outer collet comprises a driving barrel and a pressing barrel which can move relatively, when the wear-resisting block is worn, the pressure of the conical groove on the conical surface can be kept by adjusting the position of the pressing barrel, the clamping effect of the clamp is ensured, and the machining quality and efficiency of stainless steel joint production are improved.

The utility model relates to the technical field of flange processing, and discloses a strength testing device for processing a lightweight composite flange, which comprises a workbench, and the surface of the workbench is provided with a stabilizing assembly and a protective assembly; the linkage rod is used for driving the sliding rod to move synchronously; the sliding rod is used for driving the clamping block to move synchronously; according to the strength testing device for lightweight composite flange machining, through the arrangement of the protection assembly, when the clamping plate clamps a flange, the motor continuously works, the clamping plate gets close to the stabilizing plate, at the moment, the linkage rod turns over, the sliding rod and the clamping block are driven to synchronously move downwards, the clamping block is driven to move downwards, and the clamping block is driven to move downwards; the clamping block is pushed by the third spring to be clamped into the clamping groove, at the moment, the plane of the clamping block abuts against the inner wall of the clamping groove, the circular plate is limited, the clamping plate is prevented from excessively clamping the flange, deformation caused by too large clamping force due to the fact that the motor is not stopped in time is avoided, and testing accuracy is ensured.

The utility model relates to a permanent magnetic ferrite magnetic shoe dry-pressing material injection mold, which aims to solve the technical problem that the existing magnetic shoe rough blank impacts on a platform to form reaction force to cause resonance, and a rough blank formed by dry pressing is influenced to a certain extent, and comprises a mold A, a mold B, a bottom block A, a bottom block B and a transverse plate, the mold A and the mold B are butted to form a magnetic shoe mold main body; the bottom block A is fixedly arranged at the bottom end of the mold A; the bottom block B is fixedly arranged at the bottom end of the mold B; the inclined surfaces of the bottom block A and the bottom block B are opposite to each other; the transverse plate is arranged between the bottom block A and the bottom block B; and the inclined surface of the end part of the transverse plate is in contact fit with the inclined surfaces of the bottom block A and the bottom block B. The magnetic tile forming mold has the advantages that a formed magnetic tile rough blank slowly descends after the mold A and the mold B are opened, and the impact force is reduced.

This utility model discloses a hydraulic pressing device for assembling gear shafts, belonging to the field of gear shaft technology. It includes: a worktable; a U-shaped pressing plate installed on the worktable surface, with an inverted L-shaped vertical plate welded to the outer wall behind the U-shaped pressing plate; an assembly component disposed within the U-shaped pressing plate and centripetally holding a gear component; a hydraulic pressing component longitudinally installed on the inner top wall of the L-shaped vertical plate, with a shaft body pressed down at its bottom lifting end, the bottom end of the shaft body being inserted into the shaft hole of the gear component; the gear component is centripetally clamped by two symmetrically arranged arc-shaped internal gear plates on its circumference. During the pressing process of the hydraulic pressing component, the shaft body is raised and lowered for positioning by a positioning auxiliary component to prevent the shaft body from getting stuck in the shaft hole. This utility model avoids the errors caused by traditional manual adjustment, achieves precise positioning of the gear component, improves assembly efficiency, and achieves the effects of improving assembly accuracy and reducing manual labor intensity.

The invention relates to an electric drive (10) for a vehicle, comprising: a housing (G) having a sensor recess (SN); an electric machine (EM), which comprises the housing (G) or which is arranged in the housing (G); the invention relates to a sensor device (S) having a clamping device (HV), the sensor device (S) being insertable into a sensor recess (SN) of the housing (G) by means of the clamping device (HV), the clamping device (HV) comprising a guide region (FB) which can be positioned in the sensor recess (SN) and the guide region (FB) comprising at least one raised region (VB), the raised region (VB) being provided in the sensor recess (SN). The guide region (FB) comprises at least one raised region (VB) which protrudes from an outer surface of the guide region (FB) at a predetermined region of the outer surface, and wherein the guide region (FB) further comprises at least one sealing element (DE) at a predetermined sealing region (DB) of the outer surface of the guide region (FB), and wherein the raised region (VB) is dimensioned such that the at least one raised region (VB) protrudes from the outer surface of the guide region (FB). According to the invention, the guide region (FB) is designed such that, when the guide region (FB) is inserted into the sensor recess (SN), there is a predetermined gap (sp) between the raised region (VB) and the inner wall (IW) of the sensor recess (SN), the predetermined gap (sp) being at least partially greater than the capillary action distance.

The utility model discloses an elderly wheelchair with an anti-pinch folding mechanism, which belongs to the technical field of elderly wheelchairs and is characterized by comprising a supporting structure, a moving structure is bolted to the outer side of the supporting structure, and the front side of a mounting block is fixedly connected with the rear side of a supporting piece. The inner wall of the mounting block is rotationally connected with the outer wall of a first rotating piece, the bottom of the first rotating piece is movably connected with the top of a supporting piece, the outer wall of the first rotating piece is rotationally connected with the inner wall of a connecting block, and the inner wall of the connecting block is rotationally connected with the outer wall of a second rotating piece; the outer wall of the movable rod is in sliding connection with the inner wall of the first rotating part, due to the fact that a folding structure of an existing wheelchair for the old generally relates to a plurality of movable parts and connecting parts, in the folding process, if no hand clamping prevention design exists, fingers, skin and other parts of a user or a nurse are extremely easily clamped between folding joints or gaps or the parts, and therefore the user or the nurse cannot clamp the fingers or the skin easily. And the extrusion injury is avoided.

The utility model discloses a positioning frock for mould processing, including the shell, the inside fixedly connected with support plate of shell, the top fixedly connected with electromagnet of support plate, the top swing joint of electromagnet has the magnetic conductive plate, the top extension of magnetic conductive plate to the outside of shell, cooling mechanism, cooling mechanism includes the fan fixedly connected at the front of shell and located support plate bottom, the back of fan extends to the outside of shell. The utility model discloses through setting up electromagnet and magnetic conductive plate, carries out magnetic force adsorption to mould billet, because electromagnet suction force is not less than 14 kg per square centimeter, thereby avoids the worker when polishing mould billet, mould billet displacement occurs, because is the utilization magnetic force to the fixed mould billet, thereby avoids positioning frock and mould billet clamping bad, and utilizes cooling mechanism to the cooling of electromagnet, avoids electromagnet and damages because of overheating.

The invention relates to the technical field of the dermatology department, and discloses a dermatology department hair regeneration stimulation device which comprises a hair treatment positioning mechanism, the middle position of the hair treatment positioning mechanism is fixedly connected with a first position control mechanism, and the middle position of the first position control mechanism is connected with a second position control mechanism. The bottom end of the second position control mechanism is connected with a regeneration stimulation mechanism, the regeneration stimulation mechanism comprises a first positioning frame, and the inner wall of the first positioning frame is slidably connected with a second positioning frame; inflation and deflation of the telescopic air bag are controlled through the air pump, accurate up-and-down movement of the hair stimulation microneedle is achieved, the problem of uneven force caused by manual operation is avoided, the risk of scalp trauma and hair follicle injury is remarkably reduced, and the safety and effectiveness of treatment are improved; due to the design of a positioning rod and a reset spring, it is ensured that the lifting frame can be rapidly separated from the scalp without external force, damage caused by long-time compression is avoided, and the use risk of the device is reduced.

The utility model relates to the technical field of meat processing, in particular to a meat slicing machine which comprises a base, a slicing machine body and a cutting blade, the slicing machine body is installed on the top of the base, the cutting blade is installed on one side of the slicing machine body, a guide cylinder is fixedly connected to the interior of the slicing machine body, and an arc-shaped cylinder is fixedly connected to one side of the guide cylinder. One side of the arc-shaped cylinder is fixedly connected with a pushing mechanism; one side of the pushing mechanism communicates with an air pipe, the other end of the air pipe communicates with air suction equipment, the other end of the air suction equipment is fixedly connected with the slicing machine, and a supporting mechanism is further installed on the outer side of the air pipe. When the meat cutting device is used, the arranged pushing mechanism can realize automatic conveying of meat products, the purpose of adsorbing meat blocks can be realized by starting the air suction equipment and forming the through hole in one side of the adsorption plate at the moment in the later period of cutting, the meat blocks are prevented from falling off, and the meat blocks are ensured to be stably cut.

The utility model provides a modularized multifunctional file cabinet, which relates to the technical field of file cabinets and comprises a file cabinet main body, a drawer main body is connected in the file cabinet main body in a sliding manner; two guide sliding blocks are symmetrically and fixedly connected to the outer part of the drawer main body; two guide sliding rails are symmetrically and fixedly connected in the file cabinet main body; the two guide sliding blocks are connected into the two guide sliding rails in a sliding mode correspondingly. Two protective shells are symmetrically and fixedly connected to the front part of the file cabinet main body; the top end face of the file cabinet body is fixedly connected with four splicing blocks in a rectangular array shape. And when the drawer main body is completely pulled out, the limiting clamping frame can be reset along with springback of the connecting spring, so that the limiting clamping frame is inserted into the limiting clamping groove to fix the position of the drawer main body, and the problems that the mobility of personnel is large, when the drawer is pulled out for taking documents, the body parts of passing personnel are likely to touch the drawer, and the safety is high are solved. And the problem that the drawer is accidentally closed is solved.

This invention discloses a bearing press-fitting device, comprising: a machine base, a positioning plate disposed below the machine base, positioning screws disposed at each of the four corners of the positioning plate, the other end of the positioning screws passing through the machine base and extending above it, a press-fitting plate fitted over the four positioning screws and sliding on their exterior, and a buffer protection assembly for supporting the press-fitting plate disposed outside the positioning screws; the buffer protection assembly includes an adjusting seat and a return spring, wherein the return spring is disposed above the adjusting seat for supporting the press-fitting plate, and the adjusting seat is slidably disposed on the outer wall of the positioning screws for adjusting the extension space of the return spring to increase its preload. The bearing press-fitting device proposed in this application uses an adjusting seat to adjust the extension space of the return spring, increasing the preload of the return spring, avoiding elastic fatigue of the return spring after long-term repeated compression, which would cause the press-fitting plate to fail to fully return to its original position, reducing the trouble of replacing the return spring and lowering maintenance costs.

This utility model relates to a high-efficiency seedling planting device, belonging to the field of citrus seedling planting technology. The high-efficiency seedling planting device includes: a mounting frame and a positioning mechanism. A tension spring transmission mechanism is mounted on the surface of the mounting frame. Two planting petals, each hinged to the mounting frame, are slidably connected to the surface of the tension spring transmission mechanism. The two planting petals combine to form a cone. Through a detachable locking design between the positioning hook and the slide in the tension spring transmission mechanism, combined with the rebound and reset effect of the rubber spring, the device automatically locks in position after the slide has moved to a specified height. This mechanism ensures that the two planting petals maintain a stable minimum opening angle even after the user releases their grip, avoiding accidental closure of the planting petals due to hand slippage or soil resistance during traditional manual continuous force application, which could damage the seedling leaves. This significantly improves the seedling survival rate.