50results about How to "Avoid random movement" patented technology

This invention discloses a positioning fixture and welding method for welding landscape bridges, mainly relating to the technical field of welding devices. It includes a first base plate and a second base plate, each with several L-shaped blocks. A first sliding rod is slidably connected to each L-shaped block, and several arc-shaped plates are provided at the ends of the first sliding rods. A first spring is provided between the arc-shaped plates and the L-shaped blocks. It also includes fixing plates symmetrically arranged at both ends of the first base plate and used in conjunction with the second base plate. A first sliding plate and a second sliding plate are slidably connected to the first and second base plates, respectively. The first and second sliding plates are slidably connected, and a first welding torch is mounted on the first sliding plate. Furthermore, it includes a third sliding plate detachably connected to the first sliding plate, and a second welding torch is mounted on the third sliding plate. The beneficial effects of this invention are: solving the problem of low on-site construction efficiency in existing landscape bridge welding, improving the efficiency and quality of landscape bridge welding, and reducing the labor intensity of workers.

The utility model discloses a reagent kit production is with ultrasonic cell grinder relates to ultrasonic cell grinder field, the utility model discloses a crusher main part and ultrasonic generator are personally experienced sth, and the inside of crusher main part is equipped with the lift platform, and the outer surface of lift platform is equipped with recess, and the inside of recess installs the motor on the upper installation, and the output of motor is connected with the lead screw. The utility model discloses through being provided with rack, gear, worm, worm wheel, pivot, side plate, slide, sliding slot and clamping plate, when needing to carry out the clamping to the glass beaker of sample solution, the staff can rotate worm through knob, and worm drives worm wheel to rotate, then drives pivot to rotate, then drives gear to rotate, and gear drives two racks to move to each other, and rack drives slide and side plate to move again, and drives clamping plate to move, when clamping plate and glass beaker are pasted and do not rotate worm again, can, at this moment, two clamping plates can carry out the clamping limit position to glass beaker.

The mounting mechanism comprises a jig, a pressing assembly and a mounting assembly, the pressing assembly is used for pressing a part so that the part can be fixed to the jig. The mounting assembly is provided with a movable supporting part, and the supporting part is used for supporting the flexible circuit board, so that the flexible circuit board is mounted to the part. According to the surface mounting mechanism, the part can be pressed and limited through the pressing assembly in the surface mounting process so as to prevent the part from moving at will, the supporting acting force is applied to the flexible circuit board through the surface mounting assembly so that the flexible circuit board can be mounted to the part, and compared with a manual surface mounting mode, the surface mounting efficiency is greatly improved. According to the embodiment of the invention, the surface mounting efficiency of the flexible circuit board can be improved, and the problems of surface mounting position deviation and the like caused by human factors can be avoided, so that the surface mounting precision can be improved, the product quality can be ensured, and the labor intensity of personnel can be reduced.

This utility model discloses a push-out sliding card holder, including a sliding card holder bottom shell and a sliding card holder top shell. The top of the sliding card holder bottom shell has a receiving cavity, and one side of the receiving cavity has an opening. The sliding card holder top shell is installed inside the receiving cavity. Limiting slide rails are provided at both the front and rear ends of the receiving cavity along the length direction. First side panels are provided at both the front and rear ends of the bottom of the sliding card holder top shell along the length direction. This utility model uses the sliding card holder bottom shell and sliding card holder top shell to store stacked cards in the receiving cavity of the sliding card holder bottom shell. When retrieving a card, by pushing the sliding card holder top shell forward, the second side panel can drive the card closest to the sliding card holder top shell to move synchronously, pushing the card out of the receiving cavity. Then, the sliding card holder top shell is pushed back to its original position, and under the action of the spring piece, it pushes against the bottommost card, so that the cards can be pushed out and removed by the sliding card holder top shell in sequence, completing the card retrieval operation.

This utility model belongs to the field of debris collection devices, specifically relating to a debris collection device for an angle grinder. It includes a housing with a cover plate slidably connected to the top, and multiple evenly distributed casters at the bottom. A collection pipe is fixedly connected to the left end of the housing. This utility model utilizes an air pump to create a negative pressure inside the housing, allowing for the suction of debris through the collection pipe. The debris is then filtered out by a filter plate, achieving debris collection. Combined with the motor-driven top block pressing against the protrusions and the elasticity of the first spring, the filter plate vibrates to prevent clogging. Compared to water adsorption collection, this avoids the problem of excessive debris adsorption in water hindering timely cleaning and affecting subsequent collection, and also avoids damage to the blower caused by directly sucking debris.

The three-dimensional sealing faucet structure comprises a water inlet pipeline and a water outlet pipeline, and the water outlet pipeline is provided with a water outlet through hole; the three-dimensional fixing piece is provided with deep through holes and a plane end face, wherein the number of the deep through holes is the same as that of the water flowing pipelines; the three-dimensional special-shaped sealing ring is provided with a longitudinal sealing hole; a water inlet and a water outlet of the valve element are formed in the same outer end face, and the water inlet and the water outlet of the valve element correspond to the longitudinal deep through holes of the three-dimensional fixing piece in a one-to-one mode. The water inlet pipeline and the water outlet pipeline are inserted into the longitudinal sealing holes of the three-dimensional special-shaped sealing ring one by one and are in interference fit with the longitudinal deep through holes one by one to form a plurality of sealing conduction cavities; the plane end face of the three-dimensional fixing piece and the outer end face of the valve element are pressed tightly in the valve element shell, and the multiple sealing conduction cavities are in one-to-one sealing conduction with the water inlet way and the water outlet way corresponding to the valve element. The flexible assembly requirement is met, and the advantages of low cost, easy operation and the like of the production process are met.

The utility model relates to the technical field of refrigerator internal accessories, disclose a kind of anti-slipping shelf for refrigerator, including support assembly, the support assembly includes mounting plate, embedding groove is opened in the inside of mounting plate, the outer surface of mounting plate is fixedly connected with the limiting seat of limiting seat, mortise is opened in the inside of limiting seat. The utility model is slid in the guide slot inside the baffle inside by the clamping plate fixedly connected in the top of moving seat, ensure the moving track stability of clamping plate, when the moving seat is moved towards when bidirectional screw rod rotates, clamping plate gradually approaches the inner wall of the box, finally tightly clamps the box, to further prevent the effect that the box is slipped on shelf, this not only can effectively prevent the box from sliding due to the vibration of refrigerator door or other external force and sliding, and can guarantee that the goods in the box will not be damaged due to the shaking of the box, improve the security and practicality of anti-slipping shelf for refrigerator.

The utility model relates to a film container clamping assembly which comprises a film container, the film container comprises an outer film and an inner film, the outer film forms a bag body with the periphery and the bottom closed and the top open, and the inner film and the outer film are connected in a sealed mode through at least two first sealing lines which surround the opening of the bag body and are spaced by a certain distance. A gas column cavity is formed between the first sealing wires, a one-way valve is arranged between the inner-layer film and the outer-layer film, gas can enter the gas column cavity from the outside through the one-way valve, reverse flowing is avoided, the clamping piece is provided with a clamping opening, the clamping opening can be opened and closed, the gas column cavity can enter the clamping opening when the clamping opening is opened, and the gas column cavity can enter the clamping opening when the clamping opening is closed. When the clamping opening is closed, the thin film container is clamped, and the air column cavity is located in the clamping opening. The problems that a thin-film container is light and thin in structure, easy to turn over and difficult to fix and use easily and conveniently are solved.

This utility model relates to the field of automotive parts processing technology and discloses an automotive engine bracket drilling jig flipping device, including a drilling jig assembly. The drilling jig assembly is used to drill the jig. The drilling jig assembly includes a mounting frame, a mounting frame, a mounting block, and a drilling jig cylinder. The mounting frame is fixedly connected to the mounting frame, and the mounting block is slidably connected to the mounting frame. The drilling jig cylinders are symmetrically arranged on the mounting blocks, and each drilling jig cylinder is engaged with the mounting block through other components. Through the mutual cooperation of the internal components of the drilling jig assembly, the position adjustment of the drilling jig cylinder is achieved. The movable block can achieve self-locking, avoiding the problem of arbitrary movement of the drilling jig cylinder during adjustment and affecting the drilling. After the threaded rod is in close contact with the mounting block, the position between the movable block and the mounting block is restricted, thereby restricting the inward movement of the movable block and preventing arbitrary movement of the movable block during inward adjustment.

The utility model relates to the field of hydraulic control reversing valves, and discloses a hydraulic control reversing valve with low reversing impact, which comprises a valve body, the valve body is connected with a mounting plate through a fixing assembly, the inner wall of the mounting plate is rotatably connected with a driven gear, the driven gear is connected with a sliding plate through a sliding assembly, and the sliding plate is connected with a hydraulic cylinder. The sliding plates are slidably connected to the front end and the rear end of the top of the mounting plate, the ends, away from each other, of the sliding plates are fixedly connected with clamping plates, the right end of the driven gear is meshed with a driving gear, the axis of the top of the driving gear is fixedly connected with a rotating rod, and the top end of the rotating rod penetrates through the top of the mounting plate. And the rotating rod is connected with the mounting plate through a limiting assembly. According to the utility model, the valve body is prevented from deviating through pre-fixation of the fixing seat and the fixing bolt, so that the mounting precision and efficiency are improved; meanwhile, accurate adjustment and installation on an inclined plane are achieved by means of an electric push rod and other structures, the limitation that horizontal installation can only be achieved traditionally is broken through, the application range is greatly widened, and the device universality is improved.

The utility model discloses a desulfurization treatment device for oil and gas field wastewater, which relates to the field of oil and gas field wastewater treatment and comprises a device body, a top plate is mounted at the top of the device body through fastening bolts, a mounting hole is formed in the middle of the top of the top plate, and a bearing seat is further mounted at the top of the top plate. A rotary table is connected into the bearing seat through a bearing, a stirring shaft is installed on the rotary table, and a sliding rod is fixed to the upper portion of one side of the stirring shaft. By arranging the sliding rod, the sliding seat, the sliding groove, the movable plate and the plugging plate, when wastewater is stirred and the inner wall of the device main body does not need to be scraped and cleaned, the scraping rod is not attached to the inner wall of the device main body, so that the scraping rod does not rub with the inner wall of the device main body during rotation, the abrasion speed of the scraping rod is reduced, and the service life of the scraping rod is prolonged. And the service life of the scraping rod is prolonged.

This utility model relates to the field of automotive installation technology, specifically to a connecting mechanism for a side skirt beam of an automobile. It includes a frame, with connectors symmetrically fixed to both sides of the frame. Each connector has an integrally formed mounting cylinder on its upper front side. A connecting shaft is sleeved within each mounting cylinder. A plug-in assembly is installed on the connector for inserting the connecting shaft. A side skirt body is fixedly connected to the end of each connecting shaft furthest from the frame. Through the cooperative design of the connectors and mounting cylinders, the connecting shaft on the side skirt body can be sleeved within the mounting cylinder on the connector, facilitating the installation or removal of the side skirt body. This allows for regular replacement and maintenance of the side skirt body. Furthermore, the cooperative design of the plug-in assembly limits the movement of the connecting shaft, effectively preventing it from moving arbitrarily and thus improving the stability of the side skirt body connected to the frame.

The utility model discloses a fin drilling device, which relates to the technical field of drilling and comprises a base, an arc-shaped supporting plate, a covering and pressing mechanism, drilling equipment and a linear travel mechanism. A baffle and a plurality of supporting legs are arranged at the top of the base, the arc-shaped supporting plate is arranged at the tops of the supporting legs, one end of the arc-shaped supporting plate is tightly attached to the baffle, a fin to be drilled is placed in the arc-shaped supporting plate, and the length of the arc-shaped supporting plate is smaller than that of the fin. The covering and pressing mechanism and the linear stroke mechanism are both arranged at the top of the base, the covering and pressing mechanism is used for pressing fins, the drilling equipment is vertically arranged on the cross beam, the linear stroke mechanism is connected with the cross beam and used for horizontally moving the cross beam and the drilling equipment, and the drilling equipment is used for drilling the fins; two avoiding grooves are formed in the arc-shaped supporting plate and used for avoiding a drill bit of drilling equipment. According to the scheme, the drilling efficiency and precision can be improved.

The utility model discloses a reciprocating piston compressor split type air cylinder seat which comprises a lower base, a positioning groove is formed in the top of the lower base, an air cylinder head is connected in the positioning groove in an abutting mode, the air cylinder head is installed on the lower base through a fastener, a shaft hole is formed in the lower base, and a cylinder hole is formed in the air cylinder head. According to the split type air cylinder seat, due to the fact that the bottom end part of the back plate abuts against the interior of the first positioning groove, the lower base can be used for providing more support for the air cylinder head and the air cylinder, and the requirement for the connection strength between a fastener and the lower base is lowered; and meanwhile, the first positioning groove and the second positioning groove are used for positioning when the back plate and the piston cylinder are installed, so that the installation position of the air cylinder head is conveniently determined, and the air cylinder head is prevented from moving at will in the installation process.

A screw-rail type generator set protective device, relating to the field of vehicle-mounted generator technology, includes a fixed base, a base frame, a screw-nut mechanism, and a protective housing. The fixed base consists of channel steel and connecting beams. Rollers on both sides of the base frame are rolled into the channel steel grooves. The base frame contains a generator set mounting position. The screw-nut mechanism is installed between the base frame and the fixed base to drive the base frame to extend or retract. The protective housing is mounted on the base frame, with an open bottom, inspection doors and air inlet louvers on both sides, an exhaust louver at one end, an electrical maintenance door at the other end, and a filling port at the top. The base frame contains a vibration damper, and a rubber insulating pad separates the protective housing from the base frame. This invention provides robust support with the fixed base, the roller design allows for smooth extension or retraction of the base frame, the screw-nut mechanism facilitates maintenance and locks the base frame, and the protective housing protects the generator set and dissipates heat. It exhibits good stability and safety, effectively ensuring the stable operation of the generator set.

This utility model relates to the field of testing equipment technology and discloses a zipper fatigue testing device. The testing components include a sliding box, a sliding block slidably disposed inside the sliding box, a column fixedly disposed above the sliding block, a hook fixedly disposed on the column, a first driving component disposed on the base plate for driving the sliding box to move back and forth, and a second driving component disposed on the sliding box for driving the sliding block to move left and right. A sliding groove A is formed through the upper and lower parts of the platform, located on the front side of the column. Sliding grooves B are formed through the upper and lower parts of the platform, located on the left and right sides of sliding groove A and communicating with sliding groove A. The column is located in sliding groove B, and the hook is located above the platform. This utility model has the beneficial effect of conducting fatigue testing on zippers on trolley cases, solving the problem that zippers installed on trolley cases are bent, making it impossible to test zippers on trolley cases; and that manual testing would be time-consuming and labor-intensive.

The utility model discloses a lifting structure for medical equipment, which relates to the technical field of medical instruments, and comprises a base, a back plate, a lifting plate and the like, the lifting of the lifting plate is realized through the threaded transmission of a lead screw and a shaft sleeve, and the lifting plate is fixed by matching with a brake structure consisting of an electromagnet, a spring, a friction block and a guide groove. When the electromagnet is electrified, the friction block is attracted to be attached to the guide groove, the connecting plate transmits the gravity of the lifting plate and the equipment, so that friction force is increased to prevent the lifting plate from moving, the lifting structure solves the problems that an existing medical equipment lifting structure is poor in lifting precision, large in noise, not firm in fixation and the like, and has the advantages of being accurate in lifting, low in noise operation, stable and reliable. Meanwhile, the structure is simple, installation and maintenance are convenient, and the lifting requirement of medical equipment can be effectively met.

The utility model discloses a strong light irradiation prevention ultrasonic flaw detector which comprises an ultrasonic flaw detector body, a base and a threaded head, the base is fixedly installed on the bottom face of the ultrasonic flaw detector body, and threaded holes are formed in the bottom face, the front vertical face and the back vertical face of the base. The flaw detection device has the beneficial effects that during flaw detection, a worker can turn over the outer sleeve plate and the movable plate to shield light, when the outer sleeve plate is turned over, the connecting plate is driven to rotate along the damping bearing, multi-angle hovering is carried out, angle adjustment is facilitated, meanwhile, the worker can pull the movable plate to move outwards and retract inwards, the shielding area is adjusted, and the working efficiency is improved. The damping effect provided by the friction sleeve facilitates positioning of the movable plate and avoids random movement of the movable plate, so that a good shading effect is achieved, adjustment can be completed by simply turning the outer sleeve plate and pushing and pulling the movable plate, adjustment and use are simpler, meanwhile, the outer sleeve plate and the movable plate of the device are lighter and thinner, the structure is simpler, storage and movement are more convenient, and use is more convenient. And the use convenience is further improved.

According to the junction box cable fixing tool and the photovoltaic assembly, the fixing assembly is embedded into the frame to be kept fixed, the fixing assembly is provided with the insertion opening and the fixing cavity, so that a cable can be placed into the fixing cavity from the insertion opening or taken out of the fixing cavity, and the brush is arranged in the fixing cavity, so that the fixing assembly is more convenient to use. A cable placed in the fixing cavity can penetrate into a gap between the brushes, the brushes are used for fixing and supporting the cable, the cable is prevented from moving at will, cables of various lengths can be fixed, the cable can be pulled out of the brushes by directly pulling the other end of the cable when the cable is used, and the use is convenient. Compared with the prior art, the cable fixing device has the advantages that the short cable or the long cable can be conveniently and repeatedly fixed, adhesive residue and damage are avoided, the cost is lower, and the cable fixing device is stable and reliable.

This utility model discloses a hardware frame for seat rotation, including a base plate with rails one, two, three, and four on its surface. Pulleys one and two are slidably disposed within rails four and three, respectively, while pulley three is slidably disposed within rails one and two, reciprocating between them. A guide rail is disposed on the inner wall of a connecting plate, and a slide rail is disposed within the guide rail. A locking mechanism is provided on the slide rail. The base plate has locking holes for limiting the movement of the connecting plate and support plate. Through the cooperation of the locking mechanism and different locking holes, the sofa cushion is stably fixed, preventing it from moving freely and ensuring safety and reliability. The locking mechanism automatically engages with new locking holes without additional operation, completing the locking process. This "lift-adjust-automatic locking" mechanism simplifies the operation steps of adjusting the sofa cushion, allowing for easy switching between cushions with a simple lifting and pushing motion, thus improving the user experience.

The application discloses a telescopic lens connecting structure, a lens driving device, a photographing device and an electronic device, and technical scheme points are as follows: a telescopic lens connecting structure comprises a base, a telescopic shell and a telescopic component; the telescopic shell drives the telescopic component to move along the direction of the lens optical axis; the telescopic shell is provided with a surface flat plate for limiting the telescopic component from separating from the telescopic shell, and the surface flat plate is located at one end of the telescopic shell away from the base; a guide assembly for guiding the telescopic component is arranged between the telescopic shell and the telescopic component; and the telescopic component is provided with a protection structure. The protection structure plays a protection and reinforcement role, improves the connecting strength, and has the advantages of simple structure, easy assembly and cost saving; and the problem that the light quantity of an existing mobile phone over 5 times long-focus periscopic camera is weak and better image quality cannot be obtained is solved.

The utility model relates to the technical field of batteries, and discloses a battery pack and a power utilization device, the battery pack comprises a box body, the box body comprises a bottom plate and a coaming which are encircled to form a containing cavity, the inner side of the bottom plate is provided with a guide groove, the bottom plate comprises a groove bottom and a groove opening, and the side wall of the groove bottom is provided with a groove; the mounting seats are arranged in the accommodating cavity and comprise seat bodies and matching parts, a plurality of mounting positions are formed on the seat bodies, the matching parts are connected with the seat bodies, penetrate through the notches and are inserted into the groove bottoms, and the ends, away from the seat bodies, of the matching parts extend towards the grooves; and the plurality of battery cells are arranged in the accommodating cavity and are positioned in the mounting positions. The mounting seats can be in plug-in fit with the guide grooves through the matching parts of the mounting seats, and after the battery cells are mounted on the mounting seats, the mounting seats are fixed with the corresponding guide grooves in a plug-in manner, so that the battery cells can be fixed without using an adhesive, and through a simple and reliable structure, the battery cells can be conveniently mounted and can be conveniently and quickly dismounted, and the mounting efficiency is improved. And the battery pack has the capability of detaching and maintaining the internal battery cells.

The application discloses a tracheotomy patient body position adjusting device and relates to the field of medical instruments. The tracheotomy patient body position adjusting device comprises a medical bed, and a positioning assembly is arranged on the medical bed. The tracheotomy patient body position adjusting device is convenient for limiting and positioning the two sides of the head and neck of a patient and is convenient for adjusting the position of the head and neck of the patient by simultaneously moving the first positioning plate and the second positioning plate to the middle, so that the head and neck position of the patient is kept balanced, the tracheotomy operation of medical staff is facilitated, the head of the patient is separated from the neck by arranging the baffle horizontally at the chin of the patient, the tracheotomy operation of the neck of the patient by a doctor is facilitated, the phenomenon that the head of the patient is moved to collide with the trachea is prevented, and the practicability is improved.

The utility model discloses a gear precision detection device, which relates to the field of gear detection and comprises a bottom plate, a bottom shell is mounted at the top of the bottom plate, and the top of the bottom shell is rotatably connected with a rotary table through a bearing. According to the utility model, the fixed shell, the worm, the worm gear, the threaded shaft, the threaded seat, the guide seat and the positioning column are arranged, and gear holes are formed in gears, so that when the gears are detected, a worker sleeves the gears on the periphery of the positioning column and then rotates the worm through the rotating handle, and the worm rotates to drive the worm gear to rotate and then drives the threaded shaft to rotate; when the threaded shaft rotates, the threaded base is driven to move, the threaded base drives the pulling plate to rotate, the pulling plate pulls the guide base to move and then drives the positioning columns to move outwards, the four positioning columns move at the same time, the rotating handle is not rotated any more after the protective sleeve is tightly attached to the inner wall of the gear hole, and at the moment, the four positioning columns can position the gear; therefore, the gear is located in the middle position, and the stability of the gear is improved.

This utility model relates to the field of transfer devices, and discloses a copper electrolysis residual plate transfer device, including a vehicle body and residual plates. A support frame is fixedly connected to the upper surface of the vehicle body, and a fixing component is provided on the upper surface of the support frame. The fixing component includes a support rod, and the residual plates are hung on the outer wall of the support rod. The support rod is fixedly connected to the upper end of the support frame, and a rotating frame is rotatably connected to the inner wall of the support rod. A handle is fixedly connected to the front end of the rotating frame, and a fixing frame is fixedly connected to the front end of the support frame. A limit block is slidably connected through the inner wall of the fixing frame. In this utility model, by setting up a support frame, the residual plates can be hung on the outer wall of the support frame during transfer operations. Then, rotating the rotating frame will cause the rotating frame to squeeze the residual plates, thus fixing the residual plates to the outer wall of the support frame and preventing the residual plates from moving randomly during transfer.

The utility model provides a working table for producing and manufacturing a mobile phone film, which comprises a working frame in which a first cavity and a second cavity are formed; the storage assembly comprises a plurality of sets of sliding grooves located in the second cavity, and the sliding grooves are evenly distributed in the upper side and the lower side in the second cavity, correspond to each other in a one-to-one mode and are used for containing molds; the storage assembly comprises a mounting frame fixedly arranged in the first cavity, a storage box is movably arranged on the mounting frame, and the storage box is used for storing waste materials; the limiting assembly is rotationally arranged on the working frame and used for limiting the storage box; the two cavities are formed in the working frame, and the sliding grooves and the storage boxes are arranged in the cavities correspondingly; the multiple sets of sliding grooves are matched with one another to store molds where original films are placed, meanwhile, the molds placed in the sliding grooves can be taken away from the other side, recycling is facilitated, the storage box movably arranged on the mounting frame is used for collecting waste materials, the waste materials generated after the original films are used are directly discarded in the storage box, and the storage box is directly moved away to be cleaned after the storage box is filled with the original films.

The utility model provides a kind of anti-splashing device for electrician electron spot welding, including face guard and head band, top plate is equipped in the upper of face guard inboard surface, convex block is equipped in the both sides of top plate, arc structure's clamping plate is equipped in the below of top plate;Front end of head band is equipped with connecting plate, clamping groove for clamping plate embedding is equipped in connecting plate;Arc slot is equipped in the inside of clamping plate, movable arc clamping block and first spring for pushing arc clamping block to move are equipped in slot;Sleeve is installed in the lower end of face guard by rivet, handle is sleeved in the inner cavity of sleeve, one connecting rod is installed in the inboard surface of face guard and located the both sides of handle respectively by fixed pin, and the other end of two connecting rods is movably connected with the upper end of handle.The utility model is designed by the clamping structure between face guard and head band and telescopic connecting rod of handle, can realize the quick switching of face guard head wearing mode and handheld mode, adapts different welding scene, improves operating flexibility.

The utility model relates to the technical field of FPC flexible circuit boards, in particular to a testing device for an FPC flexible circuit board, which comprises a mounting table and two electric push rods arranged on the mounting table in a sliding manner, a T-shaped groove is formed in the mounting table, a sliding block and two bending frames are connected in the T-shaped groove in a sliding manner, and the two bending frames are arranged on the mounting table in a sliding manner. Each bending frame is fixedly connected with a bottom plate; a T-shaped groove is formed in the mounting table, a reciprocating screw rod is rotationally connected into the T-shaped groove, the sliding block is in threaded connection with the reciprocating screw rod, each bending frame is connected with the sliding block through a pull rope, a roller is fixedly connected to the reciprocating screw rod, a sliding assembly is arranged on each bending frame, a fixed seat is fixedly connected to the mounting table, and a sliding block is arranged on the fixed seat. And a locking assembly is arranged on the fixed seat. According to the utility model, the distance between the two bottom plates can be adjusted only by rotating the rollers, and a knob does not need to be screwed for locking, so that the operation is simple, convenient and rapid, and the rapid use of the testing device is facilitated.