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37results about How to "Good limit function" patented technology
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Mounting device and mounting method of street lamp
Owner:华体智城系统集成有限公司
A street lamp installation device and installation method thereof
ActiveCN110182737BEasy to holdStable supportLifting devicesTowersStructural engineeringMechanical engineering
Owner:华体智城系统集成有限公司
Quick assembly tool for valve seat support
The invention provides a valve seat support rapid assembling tool which comprises a wrench assembly and a driving assembly, the driving assembly is used for installing a valve seat support on a valve body, the wrench assembly enables the driving assembly to rotate through a vertical rod part, the rod part of the wrench assembly is further sleeved with a positioning disc, and the positioning disc makes contact with a valve body channel in the valve body. A driving head at the front end of the wrench assembly acts on the driving assembly, and the driving assembly drives the valve seat support to rotate, so that the valve seat support is connected into the valve body in a threaded mode. According to the quick assembling tool for the valve seat support, the magnetic steel block on the inner wrench is attracted to the sliding clamping block arranged in the bottom plate made of the ceramic material, it is ensured that the wrench assembly is connected with the driving assembly, and the valve seat support is driven by the driving key to be tightly connected to the valve body in a threaded mode.
Owner:CHENGDU CHENGGAO VALVE +1
Multifunctional supermarket cart baby seat system and achieving method of multifunctional supermarket cart baby seat system
ActiveCN104802841ASimple structureLow costHand carts with multiple axesAgricultural engineeringLap joint
The invention discloses a multifunctional supermarket cart baby seat system which comprises a handrail net. A first horizontal rod, a second horizontal rod, a third horizontal rod and a fourth horizontal rod are sequentially arranged on the handrail net from top to bottom; the fourth horizontal rod is connected with the bottom of a backrest net through a lower connecting rod; a bottom plate penetrates through the bottom of the backrest net; the front end of the bottom plate is connection into the third horizontal rod in a sleeving manner; the rear end of the bottom plate is in lap joint with the bottom of the backrest net; one end of a supporting frame is connected with the second horizontal rod; the two sides of the bottom of the supporting frame are connected with the backrest net through upper connecting rods; a carrier plate is arranged on the supporting frame and can be turned around the end of the supporting frame; a baby seat plate is connected onto the second horizontal rod in a sleeving manner. The invention further discloses an achieving method of the multifunctional supermarket cart baby seat system. The multifunctional supermarket cart baby seat system has the characteristics of being simple in structure, low in manufacturing cost, good in safety, reasonable in structure, good in limiting function, firm, durable, hygienic, convenient and the like.
Owner:东阳市凯捷高尔夫有限公司
All-terrain vehicle
PendingCN112061225AGuaranteed stabilitySimple structureMechanical steering gearsResilient suspensionsSteering wheelVehicle frame
The invention relates to an all-terrain vehicle. A frame of the all-terrain vehicle comprises steering knuckle systems and limiting systems, the first end of a swing arm of each steering knuckle system is movably connected with a rotating shaft of a wheel, the second end of each swing arm is connected with one end of a connecting arm, the other end of each connecting arm is connected with the first end of a big arm, and the second end of each big arm is connected with the corresponding limiting system; cylinder connecting rods are arranged between the big arms and the connecting arms; connecting beams are arranged at the front portion and the rear portion of a cabin body of a cabin, the front end of a front balance beam bearing shaft penetrates through the front portion of the cabin body,a balance beam and a connecting beam, and the front end of a rear balance beam bearing shaft penetrates through the balance beam and the connecting beam; a seat adjusting mechanism is arranged above the bottom of the cabin body, a seat is arranged at the bottom of the cabin body through the seat adjusting mechanism, and a battery bin is arranged below the bottom of the cabin body; and one end of afirst transmission mechanism of an auxiliary steering system is connected to a steering wheel, the other end is connected with push rods, the first transmission mechanism is provided with a steeringshaft hole connected with the front balance beam bearing shaft, and the other ends of the push rods are connected with the big arms.
Owner:海泰克智能科技(广州)有限公司
Stable wire conveying mechanism
InactiveCN104308305AGood limit functionSuppress jitterElectrical-based machining electrodesCamSmall hole
The invention discloses a stable wire conveying mechanism which comprises a wire storage barrel, four guide wheels, a counterweight constant-tension device, an electrode wire and four limiting cams. The electrode wire penetrates a small center hole of a workpiece which is clamped on a working tabletop, the four guide wheels includes a first upper guide wheel, a second upper guide wheel, a third upper guide wheel and a fourth lower guide wheel, the first upper guide wheel, the second upper guide wheel and the third upper guide wheel are positioned at the upper end of the workpiece, the fourth lower guide wheel is positioned at the lower end of the workpiece, the counterweight constant-tension device is positioned between the first upper guide wheel and the second upper guide wheel, two limiting cams are arranged on the lower portion of the third upper guide wheel, the other two limiting cams are arranged on the upper portion of the fourth lower guide wheel, and the electrode wire can be driven by the wire storage barrel to reciprocate through the four guide wheels. Owing to the mode, the stable wire conveying mechanism has the advantages that the stable wire conveying mechanism has an excellent electrode wire limiting function, constant tension can be applied to the electrode wire, accordingly, shaking of the electrode wire can be suppressed, and the workpiece machining precision and the smoothness of the workpiece can be improved.
Owner:SUZHOU BAOMA NUMERICAL CONTROL EQUIP
Bottle and can rack
The invention discloses a bottle and can rack, which comprises a main rack body, at least one limiting frame and at least one screw locking component, wherein the main rack body comprises a mounting part and a supporting part; at least one longitudinal through slot is formed in the mounting part; the at least one limiting frame is selectively located on the mounting part; the limiting frame comprises a sliding part which is attached to and abuts against the mounting part, and at least one through hole is formed in the sliding part; a first bracket is arranged at the top edge of the sliding part in a stretching mode; at least one first inserting hole, in which bottles and cans are inserted, is formed in the first bracket; as the bodies of the bottles and cans run through the bracket, the bottoms of the bottles and cans are placed on the supporting part; the at least one screw locking component sequentially runs through the at least one through slot and the at least one through hole; and the sliding part of the limiting frame, on the basis of a clamping effect of the at least one screw locking component, is located on the mounting part of the main rack body.
Owner:谢 志坚
Chamber type limit self-tightening type seal
InactiveCN101216104AReduce the difficulty of productionReduce processing technologyEngine sealsSpot weldingStress mode
A box-type limited self-tight sealer belongs to a sealing device. A rectangular Y-shaped groove and a trapezoid gasket are arranged the a flange surface of a flange pair. The trapezoid gasket is positioned inside the rectangular Y-shaped groove of the flange. The sealer has the advantages that: 1. the sealer changes the shapes of the flange surface and a seal ring, changes the stress mode of the seal ring, and realize the position limitation while improving the sealing property; 2. one flange surface is provided with the rectangular Y-shaped groove and the other one is planar or curved; 3. the rectangular Y-shaped groove is processed by the conventional milling machine, or processed by welding a flat plate with a solder or by spot welding, so as to greatly reduce the difficulty and requirement for processing the flange surfaces; 4. the rectangular Y-shaped groove of the flange surface has large frictional force and ensures good limiting effect and easy installation; 5. the structure is simple, the operation is simplified, the cost is reduced and the sealing effect is improved; 6. the sealer has wider application range in size and pressure without the limitation of seal ring size; and 7. the sealer has simple structure, easy fabrication and small pre-tightening force of screws.
Owner:肖栋
Runner assembly and engine suspension comprising runner assembly
InactiveCN104565177ASmall structureGuaranteed limit effectSpringsShock absorbersEngineeringElectric vehicle
The invention provides a runner assembly and an engine suspension comprising the runner assembly. The runner assembly comprises a runner plate and a leather cup, wherein the runner plate is connected with the leather cup, a first runner and a third runner are arranged on the runner plate, and a second runner is formed between the runner plate and the leather cup. The engine suspension comprising the runner assembly also comprises a support arm, a connecting part and an outer support frame, wherein the support arm is connected with an engine, the support arm is connected with the outer support frame through the connecting part, the runner assembly is arranged in the outer support frame, and the runner assembly is connected with the connecting part. Through the design of three runners, the vibration isolation and position limiting functions are optimized, and a hybrid electric vehicle can simultaneously meet damping and rigidity requirements when working under different work conditions.
Owner:BEIJING ELECTRIC VEHICLE
Vehicle ramp device and automobile
ActiveCN109878421ALow sliding resistanceFit clearance is smallSteps arrangementAmbulance serviceComputer engineering
The invention discloses a vehicle ramp device and an automobile, relates to the technical field of vehicle manufacturing, and solves the technical problems of easy vibration noise and poor durabilityin the prior art. In the vehicle ramp device of the invention, Each sliding block includes an intermediate beam and an extension plate which are arranged to intersect each other. Each extension plateincludes at least one first extension plate. The length of the single first extension plate is less than the length of the intermediate beam. Each guide rail is provided with a sliding groove matchingthe sliding block. Each sliding groove includes two groove channels which are arranged to intersect each other. Each intermediate beam and the corresponding first extension plates can respectively slide in the two corresponding groove channels. Therefore, a limit function of at least one direction of the sliding blocks is added to the vehicle ramp device, which reduces matching gaps between the sliding blocks and the guide rails to avoid the vibration noise, optimizes riding experience of passengers and reduces sliding resistance to improve the durability and increase the service life.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +2
Filling building block for pouring and construction method thereof
PendingCN109537748AEasy to cooperateAchieving the same life expectancyHeat proofingInsulation layerCrack resistance
The invention discloses a filling building block for pouring. The filling building block includes a building block body, a heat insulation layer is tightly attached to one side of the building block body, a first reinforcing mesh formed by a plurality of steel bars which are crisscross connected is arranged at one side of the heat insulation layer, a plurality of connection parts are connected tothe first reinforcing mesh, each connection part includes a first penetrating wire and a second penetrating wire, and the first penetrating wires and the second penetrating wires penetrate through theheat insulation layer crosswise and extend to be fixed inside the building block body. According to the filling building block for pouring, the heat insulation layer, the first reinforcing mesh and the building block body are integrally connected, so that the filling building block facilitates construction, the construction speed is increased greatly, and the construction time is shortened; afterthe first reinforcing mesh at the outer side of the heat insulation layer is subjected to concrete pouring, a safe and reliable protection layer is formed, the strength is high, and the heat insulation performance, the lateral force resistance and the crack resistance are good; it is more convenient for the filling building block to cooperate with current mesh pouring heat insulation systems, andthe purpose is achieved that the heat insulation layer and the structure of a building have the same service life.
Owner:济南城通保温工程有限公司
Instrument sensor protective cover convenient to install
InactiveCN114427874AGood limit functionImprove cooling effectMeasurement apparatus housingsCooling/ventilation/heating modificationsEngineeringWorkbench
An instrument sensor protective cover convenient to install disclosed by the present invention comprises a workbench, supporting frames, a cover body, a dustproof net and heat dissipation holes, the supporting frames are installed on the two sides of the top end of the workbench, an installation mechanism is arranged on the outer wall of one side of each supporting frame, and each installation mechanism comprises a rotating disc, a rotating handle, a positioning plate, a connecting rod, a sliding rod and a positioning hole. The rotating discs are arranged on the outer wall of one side of the supporting frame. By shaking a rotating handle, the rotating handle can drive a rotating disc to rotate, the rotating disc rotates and is meshed with a positioning plate to drive a positioning plate to move inwards, and the positioning plate can drive a connecting rod to slide on one side of the surface of a sliding rod, so that it can be ensured that the positioning plate moves horizontally, and the positioning plate is moved into a positioning hole to clamp a cover body and a supporting frame; and after the hand is released, the movable plate can drive the inserting rod to move downwards, so that the clamping teeth and the rotating disc are clamped, the rotating disc is limited, and the function that the device is conveniently and stably installed is achieved.
Owner:宿迁兴速自动化科技有限公司
Full lining bidirectional composite soft sealing butterfly valve
InactiveCN101858441AGuaranteed anti-corrosion performanceExtended service lifeLift valveValve member-seat contactsWastewaterFresh water
The invention discloses a full lining bidirectional composite soft sealing butterfly valve, belonging to the butterfly valves for pipelines of a large-scale water supply and drainage engineering, sea water and wastewater treatment, fresh water, gases and the like. The full lining bidirectional composite soft sealing butterfly valve comprises a valve body, a valve seat, valve shafts, a valve plate, a connecting seat, a pressing cover, bushes, a seal ring and a rear end cover, wherein the valve seat is arranged on the valve body; the valve shafts are arranged on the central line of the valve body; the valve plate is connected with the valve shaft; the connecting seat, the pressing cover, the bush and the seal ring are mounted on the upper part of the valve body; and the rear end cover is arranged at the bottom of the valve body. The full lining bidirectional composite soft sealing butterfly valve is characterized in that the valve shaft is formed by connection of an upper valve shaft (4) and a lower valve shaft (9); the valve seat (3) adopts a composite off-center inclined plane sealing form to be directly vulcanized on the valve body (1) and fully cover the valve body (1); the valve plate (2) is an inclined plate sphere; the upper and lower supports of the valve body (1) are sealed through an O-shaped seal ring (8); and the bushes (7) are respectively installed in the upper and lower supports of the valve body (1). The invention has the advantages of corrosion resistance, long service life and good sealing property while avoiding lock or setover of closure.
Owner:SHANDONG LULIN VALVE
Guide wheel device capable of preventing sudden changing and reversing, sorting trolley and crossed belt sorting machine
The invention discloses a guide wheel device capable of preventing sudden changing and reversing, a sorting trolley and a crossed belt sorting machine. The guide wheel device comprises a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are movably connected with a trolley bottom plate, guide wheels are arranged at the two ends of thefirst connecting rod and the two ends of the second connecting rod correspondingly, and the guide wheels are provided with vertical rotating axes; and an elastic piece is connected between the first connecting rod and the second connecting rod, and rotating points of the first connecting rod and rotating points of the second connecting rod are located on the same side of the elastic part. According to the technical scheme, the guide wheels at the two ends of the first connecting rod and the two ends of the second connecting rod are always in flexible contact with an inner guide rail through the elastic piece, the situations that the guide wheels are separated from the inner guide rail and change direction are avoided, vibration impact and noise are avoided, the possibility that the guide wheels are separated from a belt is reduced, so that the service life is prolonged, and the impact on a vertical rod is reduced.
Owner:SF TECH
Hollow glass with sun-shading curtain inside
InactiveCN102409931AGood limit functionIncrease frictionLight protection screensUnits with parallel planesEngineeringUltimate tensile strength
The invention discloses hollow glass with a sun-shading curtain inside. The hollow glass comprises glass media on two faces, the sun-shading curtain arranged between the glass media on the two faces, a traction mechanism for controlling the sun-shading curtain, and a traction device fixed on the traction mechanism, wherein an operating device is arranged at a position, opposite to the traction device, outside the hollow glass; at least one of the operating device and the traction device comprises a magnetic material, so the operating device is connected with the traction device through a magnetic force; and at least one of the operating device and the traction device comprises a roller of which the roller surface is embedded with a flexible material. In the hollow glass, as the roller with a limiting structure is selected, the sun-shading curtain can be limited automatically based on a theory that the magnetic force is large in a near place and small in a far place under the condition of proper magnetic field intensity; therefore, the operating difficulty is reduced and the operating feel is improved.
Owner:广州东玻装饰工程有限公司
Power distribution cabinet door hinge
The invention relates to a hinge, in particular to a cabinet door hinge for connecting a power distribution cabinet door with a cabinet. The cabinet door hinge comprises a base, a rotating block and a pin, wherein the base is fixed onto the cabinet, the rotating block is positioned in the middle of the base, and one end of the rotating block is hinged to the base through the pin. The cabinet door hinge is characterized in that the pin is of a long cylindrical structure, the section of the pin is a regular polygon, and the shape of the inner surface of a hinged portion of the rotating block with the pin is matched with that of the pin. The power distribution cabinet door hinge has a limiting function and further has the advantages of simple structure, convenience in assembly, small fit clearance, corrosion resistance and the like.
Owner:SHANGHAI XINLAI IND
Full-lining bidirectional composite soft sealing butterfly valve
Owner:SHANDONG LULIN VALVE
Novel cupping device for traditional Chinese medicine
InactiveCN114209564APrevent fallingPlay a protective effectPneumatic massageSuction devicesTemperature controlTraditional Chinese medicine
The novel cupping device comprises a placing platform, supporting columns are arranged at the four ends of the bottom of the placing platform, connecting frames are arranged between the supporting columns, baffles are arranged on the front side and the rear side of the top end face of the placing platform, a control box is arranged on the rear side of the placing platform, and an extension plate is arranged on the front end face of the top of the control box. A temperature control screen is arranged on one side of the control box, an adjusting box is arranged on the top end face of the control box, and an adjusting rod is arranged at the bottom of the adjusting box; according to the novel cupping device for the traditional Chinese medicine, by arranging the adjusting box, different from previous manual operation, more convenience and rapidness are achieved; a baffle, a clamping part, a clamping groove and a placing platform are arranged, so that the bearing plate moves more stably, and the force applied to cupping operation is more balanced; the vacuum treatment end is arranged, so that the interior of the vacuum treatment end is kept in a vacuum negative pressure state, and normal cupping operation can be ensured; by arranging the bearing plate and the internal components, a good limiting function is achieved, and the cupping end can be stably installed in the cupping device so as to play a role.
Owner:宁波市中医院
On-board device with limit function
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Controllable slitting device for glass fiber cabinet handle production
PendingCN114434510AGood orientationAvoid tiltingMetal working apparatusGlass fiberElectric machinery
The invention discloses a controllable slitting device for glass fiber cabinet handle production, which comprises a mounting seat, a hydraulic rod is fixedly mounted on the upper end surface of the mounting seat, and a first limiting groove is formed in a mounting frame; the supporting assembly is mounted on the inner side of the upper end of the mounting base, and an air cylinder is arranged on the outer side of the upper end of a supporting plate; the driving motor is mounted at the right side end of the mounting seat, and a supporting rod is fixedly mounted at the lower end of the inner side of the mounting seat; and the fixing plates are fixedly installed on the inner walls of the left end and the right end of the installation base correspondingly, and a guide plate located on the upper side of the conveying belt is fixedly installed on the inner wall of the rear end of the installation base through a bolt assembly. According to the controllable slitting device for producing the glass fiber cabinet handle, the overall working efficiency is improved, the function of well controlling the slitting length is achieved, meanwhile, the good limiting and guiding functions are achieved before slitting, and better slitting work is facilitated.
Owner:东莞市华创碳纤维科技有限公司
Locking nut
The invention discloses a locking nut. The locking nut comprises a first hexagonal tube, a second hexagonal tube, a first internal thread, sliding grooves, through holes, a third hexagonal tube, a circular ring, a first straight rod, a limiting needle, a first arc-shaped plate, a second arc-shaped plate, a second internal thread and a spring, the upper end face of said second hexagonal tube is provided with the coaxial first hexagonal tube, the lower end face of the second hexagonal tube is provided with the coaxial third hexagonal tube, the lower end face of the first hexagonal tube and the upper end face of the third hexagonal tube are parallel and symmetrical, the inner diameter of the second hexagonal tube is smaller than the inner diameter of the first hexagonal tube and the inner diameter of the third hexagonal tube, the inner tube wall of the second hexagonal tube is provided with the first internal thread, the multiple sliding grooves and the multiple through holes are axially formed in the second hexagonal tube, the sliding grooves axially penetrate through the upper end face and the lower end face of the second hexagonal tube, and the sliding grooves are formed in the inner wall of the second hexagonal tube. A sealing ring is fixed in the interior of the first hexagonal tube, so that the sealing performance of the nut can be enhanced.
Owner:浙江安盛汽车零部件有限公司
A limit bracket device for an underwater platform lifting system
ActiveCN112408279BReduce side to side shakingReduce risk of damageLifting devicesVibration suppression adjustmentsMarine engineeringSpring force
The invention belongs to the technical field of underwater testing, and in particular relates to a limit support device of an underwater platform lifting system. The invention can prevent the underwater platform from shaking too much when it is lifted vertically out of the water or put into the water vertically from the air. The spring buffer device of the present invention adopts the design of a two-way spring, which can buffer the limit bracket in both directions. While reducing the left and right shaking of the platform device, it can also give the platform experimental device a certain buffer space to prevent the platform from being damaged during the platform installation process. The problems such as inability to position due to errors in the center reduce the risk of damage to the limit bracket device due to excessive external force, and the guide wheel will not be easily derailed by the action of spring force. The invention utilizes the guide wheel guide rail to achieve good position limiting and moving functions. When the guide wheel rolls on the angle steel track, it can effectively ensure that the hoisted experimental platform device will not shake back and forth, and when the lifting operation is performed in the pool, the heavy equipment Able to move straight vertically.
Owner:HARBIN ENG UNIV
Forming workbench for manufacturing automobile front bumper energy absorption box and operation method of forming workbench
The invention discloses a forming workbench for manufacturing an automobile front bumper energy absorption box and an operation method of the forming workbench. The forming workbench comprises a base,supporting legs are fixedly installed at the bottom of the base, a portal frame is fixedly installed at the upper portion of the base, a top plate is fixedly installed at the upper portion of the portal frame, and a first air cylinder is fixedly installed in the middle of the upper portion of the top plate. According to the forming workbench for manufacturing the automobile front bumper energy absorption box, the whole machining step only needs two-time bending, compared with a traditional manner that bending needs to be conducted four times, half of the machining step is omitted, time and energy are saved, the working efficiency is improved, secondly, during bending, the supporting effect is good, dismounting and mounting are very convenient, in the whole operation process, an energy absorption box blank only needs to be manually placed, a supporting plate only needs to be manually pulled, operation is more convenient, practicability is higher, and in addition, the workbench has a better limiting function, can facilitate limiting of the energy absorption box blank by people, improves the machining precision and is more beneficial to use.
Owner:NANJING SHILAIER AUTOMOTIVE ELECTRONICS CO LTD
A quick assembly tooling for valve seat support
Owner:CHENGDU CHENGGAO VALVE +1
Hollow glass with sun-shading curtain inside
InactiveCN102409931BGood limit functionIncrease frictionLight protection screensUnits with parallel planesEngineeringUltimate tensile strength
Owner:广州东玻装饰工程有限公司
A hand-operated cable unwinding wheel control device
InactiveCN106809692AConvenient rotary controlGood limit functionFilament handlingEngineeringRocker arm
The invention discloses a hand-operated cable unwinding wheel control device, which comprises a fixed plate, a rotating disk is arranged on the inwardly facing surface of the fixed plate, and a rotating shaft is arranged on the rotating disk, one end of the rotating shaft passes through the fixing plate, and rotates The other end of the shaft is provided with a buckle, and the buckle is buckled on the outer side wall of the rotating disc. The outer facing surface of the rotating disc is provided with a rocker arm, and the fixed plate is provided with a rotating hole through which the rotating shaft passes. The invention is conveniently fixed by the fixing plate, and the unwinding wheel can be installed at the end position of the rotating shaft, and the user can control the rotating disc to realize rotation through the rocker arm, so as to facilitate the rotation control of the unwinding wheel.
Owner:RUNBO SHANGHAI INFORMATION TECH CO LTD
Hinge connected with power distribution cabinet door
The invention discloses a hinge connected with a power distribution cabinet door. The hinge comprises a shield front part, a shield back part and a hinge jack; two ends of the hinge jack are respectively connected with the shield front part and the shield back part through hinge pins; ball hinges are mounted on the hinge pins; the upper side of the shield front part is welded with a front sealing plate; the upper side of the shield back part is welded with a back sealing plate; the front sealing plate is connected with the back sealing plate; two inflation sealing rings are arranged between the front sealing plate and the back sealing plate; an oil grease pipe is connected between the two inflation sealing rings; and as hinge jacks are arranged in the periphery of a shield, and ball hinges are mounted on hinge pins at two ends of the hinge jacks, so that a certain swing angle between the axis of the hinge jacks and the power distribution cabinet door is guaranteed to achieve a better limiting function on the cabinet door, and a mutual gap is smaller without disturbing operators.
Owner:张家港市华扬冶金机械有限公司
A two-end tension structure of bonded post-tension prestressed beam constructed in sections
ActiveCN109898866BImprove practicalityImprove stabilityBuilding material handlingArchitectural engineeringScrew thread
Owner:ZHONGYIFENG CONSTR GRP
Vehicle-mounted device with limiting function
ActiveCN112492824AGood fixed effectEasy to moveClamping/extracting meansIn vehicleStructural engineering
The invention provides a vehicle-mounted device with a limiting function. The vehicle-mounted device comprises a box body, a supporting plate assembly connected into the box body in a sliding mode, adoor plate connected to one end of the box body and an adjustable elastic structure abutting against the side, close to the box body, of the door plate. The two ends of the box body are each providedwith a limiting structure, and the supporting plate assembly can slide between the limiting structures at the two ends of the box body. The two ends of the supporting plate assembly abut against the limiting structures and the elastic structures respectively. The vehicle-mounted device with the limiting function is good in fixing effect, convenient to move and relatively simple in structure.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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