33results about How to "Implement sliding connections" patented technology

The invention discloses a clutch assembly detection device and a detection method, and particularly relates to the technical field of detection equipment, the clutch assembly detection device comprises an equipment main body, the equipment main body comprises a fixed seat, a display screen, a torque measurement part, a distance measurement part and a pressure measurement part, the torque measurement part comprises a torque sensor, a coupler is fixedly connected to the torque sensor, and the distance measurement part is connected with the pressure measurement part. The distance measuring part comprises an annular plate, a plurality of connecting rods are arranged in the annular plate, the distance measuring part comprises a pushing frame, a baffle is arranged on the pushing frame, a supporting plate is arranged on the right side of the annular plate, a laser range finder is arranged at the left end of the supporting plate, the pressure measuring part comprises a release bearing, and a pressure sensor is arranged at the left end of the release bearing. According to the invention, the free stroke and separation stroke data of the clutch assembly can be visually measured, the measurement method is simplified, the detection precision and the detection efficiency are improved, and the output torque of the motor under different loads can be measured according to the displacement data variation.

The invention discloses a clutch assembly detection device and a detection method, which specifically relate to the technical field of detection equipment, including an equipment main body, the equipment main body including a fixed seat and a display screen, a torque measuring part, a distance measuring part and a pressure measuring part, the torque measuring part including a torque sensor, a coupling is fixedly connected to the torque sensor, a rotating shaft is fixedly connected to the fixed seat, the distance measuring part includes an annular plate, a plurality of connecting rods are arranged in the annular plate, the distance measuring part includes a pushing frame, a baffle is arranged on the pushing frame, a support plate is arranged on the right side of the annular plate, a laser rangefinder is arranged at the left end of the support plate, the pressure measuring part includes a release bearing, and a pressure sensor is arranged at the left end of the release bearing. The invention can directly measure the free stroke and release stroke data of the clutch assembly, simplify the measurement method, improve the detection accuracy and detection efficiency, and can measure the output torque of the motor under different loads according to the displacement data change.

The utility model relates to a photovoltaic cleaning device supporting large-gradient walking, which is characterized in that a first connecting sliding chute is arranged on a first connecting side plate, a second connecting sliding chute is arranged on a second connecting side plate, a first rotating shaft is arranged on a first walking assembly, and a second rotating shaft is arranged on a second walking assembly; when the whole photovoltaic cleaning device is twisted, the first rotating shaft can rotate in the first connecting sliding groove, the second rotating shaft can also rotate in the second connecting sliding groove, and sliding connection between the connecting main frame and the first walking assembly and between the connecting main frame and the second walking assembly is achieved. By means of the structural characteristic that a roller shaft of the cleaning roller brush is connected with the first walking assembly and the second walking assembly, the structural characteristic that a first rotating shaft rotates with the roller shaft as the rotating center and a second rotating shaft rotates with the roller shaft as the rotating center is achieved, and connection between the connecting main frame and the first walking assembly and connection between the connecting main frame and the second walking assembly are more flexible; and the problem that the connecting main frame is stuck in the twisting process is solved.

The invention relates to a welding material tin wire and a preparation method thereof, and relates to the technical field of brazing. The welding material tin wire comprises a shell made of tin alloy and an inner core made of scaling powder, the shell is arranged outside the inner core in a sleeving mode, a plurality of anti-skid grooves are formed in the outer wall of the shell, each anti-skid groove is spiral, a rotating mechanism is further arranged on the shell and comprises a pushing frame, and the pushing frame is arranged on the outer wall of the shell. The bottom end of the pushing frame extends to form an embedded part, and the embedded part is embedded in one anti-skid groove and abuts against the inner wall of the corresponding anti-skid groove. The welding device has the effect that the probability that the solder wire slips during welding of workers is reduced.

The present invention belongs to the technical field of medical devices, and specifically relates to a mucosal incision knife, including a blade head assembly, a driving mechanism, a resetting mechanism and a cleaning mechanism. The blade head assembly includes a blade seat and a blade head, a liquid outlet channel is opened inside the blade head, the driving mechanism includes a cable and a first elastic member arranged between the cable and the blade head, and the cleaning mechanism includes an outer scraper ring clamped between the blade head and the blade seat for scraping off adhesion tissue on the outer wall of the blade head and an inner cleaning needle fixed at the front end of the cable for clearing the liquid outlet channel of the blade head extending out of the blade seat; the present invention realizes the separation of the blade head assembly and the cable through the first elastic member and the second elastic member, and utilizes the safety distance between the first elastic member and the blade head to avoid the probability of accidental injury, thereby improving the safety of the operation, and further utilizes the outer scraper ring and the inner cleaning needle to respectively perform comprehensive self-cleaning on the outside and inside of the blade head, without the need to dismantle and use external cleaning equipment, thereby greatly shortening the operation time and improving the operation efficiency.

The utility model discloses an existing building added elevator connecting device which comprises an end plate, a sliding block and a damper, the end plate is fixedly connected with an existing building, a lug plate is arranged on the end plate, the sliding block is used for being vertically and slidably connected with a guide rail on an added elevator shaft, one end of the damper is fixedly connected with the sliding block, and the other end of the damper is transversely and rotatably hinged to the lug plate. When an earthquake or strong wind occurs, the damper has the effects of energy dissipation and shock absorption, damage to an additionally-installed elevator shaft and an existing building can be remarkably reduced, and meanwhile, lateral displacement of the elevator shaft can be restrained when the damper is normally used; when the added elevator settles, the guide rail slides down relative to the sliding block, the sliding block is relatively static up and down, the damper is basically not subjected to downward pulling force, and the end plate fixedly connected with the existing building is basically not subjected to downward pulling force, so that the existing building is not influenced when the added elevator shaft structure settles; and the existing building cannot be damaged due to settlement of the additionally arranged elevator shaft structure.

The invention discloses a mechanical test method, a mechanical test environment box and an operation method thereof, and the mechanical test environment box comprises an upper box body cover, a box body, a lower bottom plate, a control mechanism and a stretching mechanism; the upper box body cover, the box body and the lower bottom plate are detachably and hermetically connected; the stretching mechanism comprises an upper clamp, a lower clamp, a support frame, a threaded sleeve, a screw rod, a rotor mechanism and a stator mechanism; an upper clamp for fixing the upper end of the sample is fixedly connected with the upper box body cover; a lower clamp for fixing the lower end of the sample is pivoted with the upper end of the screw rod; a threaded sleeve is arranged in the middle of the screw; a rotor mechanism comprising a coil winding rod fixedly connected with the screw rod is arranged at the lower part of the screw rod; a stator mechanism comprising a strong magnet is arranged at the lower part of the inner wall of the box body; a coil of the coil winding rod is in circuit connection with the control mechanism through a lead hole formed in the lower bottom plate; the supporting frame is used for being connected with a lower clamp. Or fixedly connected with the threaded sleeve. According to the invention, the problem of gas leakage in the environment box caused by dynamic seal failure is avoided.

The utility model relates to the technical field of rehabilitation apparatus, concretely relates to a portable wrist joint autonomous rehabilitation exercise traction device, its characterized in that: including lower arm supporting plate, palm holding plate, first mounting seat, second mounting seat, traction drive mechanism and one-way self locking mechanism, lower arm supporting plate installs on the first mounting seat, palm holding plate installs on the second mounting seat, and at least one bandage assembly is equipped on lower arm supporting plate and palm holding plate, and the second mounting seat is slidably connected with the first mounting seat through the sliding assembly, and the traction drive mechanism is used for moving the second mounting seat relative to the first mounting seat, and the one-way self locking mechanism is used for playing one-way self locking effect to the movement of second mounting seat. The utility model whole simple structure is portable, convenient operation, is suitable for family use, can realize the adjustment to the traction force, effectively ensures the stability and accurate control of traction force, can better satisfy the autonomous rehabilitation exercise demand of patient, improves rehabilitation efficiency and treatment effect simultaneously.

The utility model relates to the technical field of operation machinery, and discloses a protective cover plate structure and operation machinery. The protective cover plate structure comprises a cover plate body which is arranged above an oil cylinder of the dozer blade in a covering mode and movably connected with the dozer blade and the frame body. And the limiting flexible cable is arranged between the cover plate body and the frame main body and is used for limiting the maximum moving position of the cover plate body relative to the frame main body. The cover plate body is respectively and movably connected with the dozer blade and the frame main body, so that the cover plate body can move along with the dozer blade, the oil cylinder can be always in a state of being protected by the cover plate body, and the probability that the oil cylinder is damaged by foreign matters is reduced. In addition, the limiting flexible cable is arranged between the cover plate body and the vehicle frame body, the cover plate body can be prevented from exceeding the preset movement range, and the safety of the operation machine in the construction operation process is improved.

The utility model provides an anti-epitome multipoint sequence valve pouring mechanism for an air-inlet grille mold of an SUV (sports utility vehicle), and belongs to the technical field of molds. The injection mold comprises a lower mold plate, a partition plate, an injection molding plate and a bottom plate are sequentially arranged on the lower side of the lower mold plate from top to bottom, a top plate is arranged between the lower mold plate and the partition plate, and a forming insert with a lower forming face forming a forming cavity is arranged at the top of the lower mold plate in a protruding mode. And a self-translation type side ejection mechanism connected with the forming cavity is arranged on the rear side of the forming insert. After a product is subjected to injection molding, when the top plate moves upwards, thrust can be applied to the vertical parting surface position of the product through the self-translation type side ejection mechanism, so that the vertical parting surface position of the product is prevented from being distorted and deformed during ejection, and the self-translation type side ejection mechanism can also move upwards to eject the product and can also push the vertical parting surface position of the product to a certain degree. And the automatic core pulling assembly can generate horizontal displacement towards one side far away from the forming insert to realize automatic core pulling, and can perform automatic core pulling during mold opening.

The utility model relates to the technical field of camera shooting equipment, and discloses a camera shooting module, which comprises a base assembly, a shell, a lens assembly, a bearing piece, an image sensor and a driving module, and is characterized in that the base assembly comprises a base and a fixing piece, and the fixing piece is integrally arranged on the base and is positioned on one side of the base; an accommodating cavity is formed between the shell and the base assembly; the lens assembly is fixed in the central opening of the shell; the bearing part is arranged in the accommodating cavity in a sliding manner; the image sensor is fixed on the bearing part; the driving module comprises a magnet assembly and a coil assembly; the bearing piece is provided with a first sliding groove, the fixing piece is provided with a second sliding groove, and a guiding piece is installed between the first sliding groove and the second sliding groove. A first limiting piece is arranged at the upper end of the first sliding groove, and a second limiting piece is arranged at the lower end of the second sliding groove and used for preventing the guiding piece from sliding out. According to the utility model, the assembly steps and assembly errors can be reduced, and the perpendicularity between the fixing piece and the base is ensured; and the bearing part can be conveniently and smoothly installed, the assembling difficulty is reduced, and the product robustness is improved.

The utility model relates to the technical field of clothes treatment equipment, in particular to a swing device of clothes care equipment and the clothes care equipment, and aims to solve the technical problems that the swing device of the existing clothes care equipment is complex in structure and poor in reliability, and the smoothness and the stability in the running process are influenced. Therefore, the swing device comprises a driving motor, a rotating component, a moving component, a fixed transmission component and a rotating transmission component, the driving motor can drive the rotating component to rotate, a transmission structure is arranged on the rotating component, the rotating component can rotate along with the rotating component, and clothes can be hung on the moving component. The fixed transmission component can be driven by the transmission structure to drive the moving assembly to move in the first direction, the two ends of the rotary transmission component are in driving connection with the transmission structure and the moving assembly respectively, the rotary transmission component can be driven by the transmission structure to rotate so as to drive the moving assembly to move in the second direction, and the first direction is opposite to the second direction. And the durability and the stability of the swinging device are improved.

The utility model discloses a communication transmission device based on Internet of Things, which relates to the technical field of Internet of Things equipment, and comprises a communication host, a supporting back frame, operating handles, a network cable interface and wiring studs, a display screen is mounted on the communication host, the operating handles are arranged on the communication host on two sides of the display screen, and the network cable interface is arranged on the operating handles. A gain antenna is installed above the top of the communication host, a wiring stud is arranged at the bottom of the communication host, fixing column grooves are formed in the two sides of the wiring stud, a protection sliding cover is installed on the protection sliding cover, network cable interfaces are formed in the side faces of the fixing column grooves, and a supporting back frame is installed on the back of the communication host. According to the equipment, the operating grips are installed on the two sides of the communication host and matched with the supporting back frame rotationally connected with the back of the communication host, the equipment can be fixed and used in multiple modes, the network cable interfaces are formed in the lower portions of the operating grips, the two-way communication and bridging functions can be achieved, and the equipment belongs to a handheld terminal and is small in size and convenient to carry and install.

The utility model relates to a three jaw chuck and machine tool relates to machine tool technical field, including chuck body and three jaw subassembly, the three jaw subassembly is all along the chuck body radial direction and with the chuck body sliding connection, the three jaw subassembly is including first jaw subassembly, second jaw subassembly and third jaw subassembly respectively, the chuck body radial direction is provided with the chuck body radial direction, and the chuck body radial direction is provided with the chuck body radial direction and with the chuck body sliding connection, the three jaw subassembly is including first jaw subassembly, second jaw subassembly and third jaw subassembly, the chuck body radial direction is provided with the chuck body radial direction. The first clamping jaw assembly is provided with a first clamping face, the second clamping jaw assembly is provided with a second clamping face, the third clamping jaw assembly is provided with a third clamping face, the second clamping face and the third clamping face are oppositely arranged in parallel, the first clamping face is located on one side between the second clamping face and the third clamping face, and the third clamping face is located on the other side between the second clamping face and the third clamping face. And the first clamping surface is vertical to the second clamping surface. The machine tool comprises a three-jaw chuck. The three-jaw chuck has the advantages that square workpieces are clamped through the three-jaw chuck, the three-jaw chuck is simple and easy to operate, work difficulty is lowered, and work efficiency is improved.

The utility model discloses a micro-power sewage treatment device with small floor area, which relates to the technical field of sewage treatment and comprises a sewage treatment tank, a partition plate is arranged in the sewage treatment tank, a sedimentation component is arranged on the side surface of the partition plate, and a sedimentation tank, a treatment tank and a sterilization tank are sequentially arranged in the sewage treatment tank. A limiting assembly is arranged on the outer wall of the sewage treatment box, the precipitation assembly comprises a mounting frame, and a precipitation frame and a fine filter plate are arranged at the top of the mounting frame. According to the utility model, the sedimentation frame is connected inside the sedimentation tank in a sliding manner, so that the sedimentation tank is convenient to disassemble and clean, and a certain distance is formed between the bottom of the sedimentation frame and the inner wall of the bottom of the sedimentation tank, so that sewage and sediments are convenient to separate; the sewage flows from the bottom of the precipitation frame, so that the stirring of sediments in the precipitation frame during the flowing of the sewage is reduced.

This utility model discloses a sliding connection structure between a retaining wall and a main structure. The sliding connection structure includes a retaining wall and a main structure. An extruded polystyrene board is provided between the top of the retaining wall and the floor slab of the main structure, and a waterproof sealant is applied to the outside of the extruded polystyrene board to seal the gap between the top of the retaining wall and the floor slab of the main structure. The top side of the retaining wall connects to the frame beam of the main structure, and a polytetrafluoroethylene (PTFE) board is provided between the retaining wall and the frame beam, thereby realizing the sliding connection between the main structure and the retaining wall. Through the structural design of this sliding connection structure, the situation where the stiffness of the overall building structure on the side with the retaining wall is much greater than that on the side without the retaining wall is avoided.

This utility model relates to the field of feeding equipment technology and discloses a track-type anti-fall photovoltaic module steep slope feeding device, including a transport mechanism and a power mechanism. The transport mechanism includes a transport structure and a guide structure. The guide structure is suitable for being set on a slope of a mountain. The transport structure is slidably set on the guide structure and is suitable for loading photovoltaic panels. The power mechanism is suitable for being set on the top of the mountain. The output end of the power mechanism is connected to the transport structure to drive the transport structure to slide relative to the guide structure. Under the action of the output end of the power mechanism, the transport structure has a feeding state in which it moves the photovoltaic panels on the guide structure toward the top of the mountain, and a loading state in which it moves on the guide structure toward the direction away from the top of the mountain. This utility model is beneficial to improving the transport efficiency of photovoltaic panels and can ensure the safety of workers.

The utility model provides a kind of goods anti-toppling packaging structure based on tensile film tension fixation, belong to anti-toppling packaging structure technical field. Including tensile film packaging, it is characterized in that, further include: anti-toppling component, anti-toppling component is placed in the inside of tensile film packaging, anti-toppling component includes the tray being set in the inside of tensile film packaging, tray is arrayed distribution along vertical direction, support is uniformly provided between adjacent tray, and the side close to on tray is connected with reinforcing plate;Reinforcing component, reinforcing component is placed in the top of anti-toppling component and is used to reinforce the connection between support and reinforcing plate, reinforcing component includes the limiting block being connected on reinforcing plate;By setting anti-toppling component, support is as vertical load-bearing component, reduce the risk of goods gravity center deviation, reinforcing plate plays the supporting role from outside to tray, improve the ability of tray to resist lateral bending, it is favorable to enhance the anti-toppling capacity of goods, improve the stability of goods in the process of transportation.

The utility model discloses an inhaul cable type lifting forming cylinder and a 3D printer, the inhaul cable type lifting forming cylinder comprises a forming cylinder frame body, a printer plate, a power component, a sliding plate component, a pulling plate and a plurality of groups of pulley blocks, the sliding plate component and the pulling plate are respectively connected to the outer side of the forming cylinder frame body in a sliding mode; pulleys of the pulley block are connected to the top of the forming cylinder frame and the pulling plate respectively, the power component is connected with the pulling plate, the free end of a pulling rope of the pulley block is connected with the sliding plate component, a lifting hole is formed in the forming cylinder frame, and the sliding plate component extends into the lifting hole to be connected with the printer plate. The 3D printer comprises the inhaul cable type lifting forming cylinder. The forming cylinder has the beneficial effects that the height required by printing a finished product can be realized by reducing the extension length required by the power component, so that the overall height of the forming cylinder is reduced, and the overall size of the printer is reduced. The size of the 3D printer is small.

The utility model provides a distance adjusting fork and a forklift, and relates to the technical field of industrial vehicles. The distance adjusting fork comprises a first sliding frame, at least two pallet forks and at least two roller assemblies, the first sliding frame extends in the first direction, each pallet fork is provided with a first installation part, the number of the roller assemblies is at least two, the first installation parts and the roller assemblies are connected in a one-to-one mode, and each roller assembly comprises a base and at least two bearing wheels. The at least two bearing wheels are rotatably connected with the base, a second mounting part is arranged on the base, the second mounting part is fixedly connected with the first mounting part, and the at least two bearing wheels are slidably connected with the first sliding frame in the first direction. According to the distance adjusting fork and the forklift, the distance adjusting fork and the forklift meet the structure, the number of the bearing wheels can be increased, the size of the first mounting part can be increased, stress concentration of the bearing wheels and the first mounting part is reduced, and the structural stability of the distance adjusting fork can be improved.

The present invention relates to an aluminum profile extrusion forming traction device with a supporting function, comprising a traction device body, a support plate fixedly installed inside the traction device body, a positioning plate slidably connected to the right side of the top of the support plate, a circular plug-in slot provided on the left side of the top of the positioning plate, and circular grooves provided on the front and rear sides of the inner wall of the circular plug-in slot. The invention solves the problem of poor existing supporting effect by providing a traction device body, a support plate, a positioning plate, a circular plug-in slot, a circular groove, a circular cavity, a bar through hole, a threaded through hole, an extrusion device, a threaded rod, a rotating handle, a connecting block, an extrusion block, a circular plug-in block, a circular placement slot, a positioning mechanism, an extrusion spring, a circular stopper, a circular positioning block, a rotating rod, a threaded matching hole, a limit slot and a limit block. The aluminum profile extrusion forming traction device with a supporting function has the advantage of better supporting effect.

The utility model provides a wooden door hinge which comprises a lower rotating hinge and an upper rotating hinge rotationally connected with the lower rotating hinge through a connecting shaft, a first connecting groove is formed in the side end of the lower rotating hinge, and a first fixing plate, a first connecting bolt, a plurality of first threaded connecting holes and a first fixing bolt are vertically arranged in the first connecting groove in a sliding mode. And second connecting grooves, second fixing plates, second connecting bolts, second threaded connecting holes and second fixing bolts. According to the wooden door hinge, the basic requirement for connecting and fixing a wooden door and a door frame can be met, a user can flexibly and conveniently conduct vertical adjustment and transverse adjustment on the hinge, and therefore the use requirement of people is more fully met; and moreover, the hinge can be prevented from being easily loosened and abraded through the guide structure, so that the service life of the hinge is prolonged, and the use requirements of people are better met.

The utility model relates to a Chinese style door and window welding, milling and grinding all-in-one machine which comprises a machine frame, a plurality of welding workbenches and a plurality of positioning columns, two translation mechanisms are arranged on the machine frame, a welding mechanism and a milling and grinding mechanism are arranged at the tail ends of the two translation mechanisms respectively, a workbench guide rail is transversely arranged in the middle of the machine frame, the welding workbenches are arranged on the workbench guide rail, and the positioning columns are arranged on the welding workbenches. A plurality of mounting holes A designed in a grid shape are formed in the welding workbench, mounting holes B are eccentrically formed in the positioning columns, the mounting holes B and the mounting holes A are connected through screws, Chinese doors and windows are assembled on the welding workbench and positioned through the positioning columns, and the welding mechanism is used for welding the Chinese doors and windows. And the milling and grinding mechanism is used for milling and grinding welding points on the Chinese style doors and windows. The device has the advantages of reasonable structural design, high integration degree, high processing efficiency and the like.

The utility model discloses a kind of silicon rubber continuous vulcanization processing equipment, the utility model relates to silicon rubber continuous vulcanization processing technical field.It includes support frame, the support frame is provided with the installation mechanism for silicon rubber continuous vulcanization processing, installation mechanism includes, the utility model mouth mould main body is connected with sliding ring block by clamping assembly, sliding ring block one end fixedly connected shell, installation groove is opened in connecting shell inside, the fixed mounting block of mouth mould main body is clamped in installation groove, simultaneously, external force is applied to connecting shell, make sliding ring block slide in cavity groove, compression spring and telescopic sleeve rod, the other end of mouth mould main body is aligned on the positioning shell of discharge pipe, mounting block is subjected to the elastic force of connecting shell and spring, the positioning clamping lever of mouth mould main body outer wall is inserted into the positioning sliding slot inside positioning shell, realize the sliding connection of mouth mould main body and discharge pipe, to improve production efficiency by the design of elastic assembly and clamping assembly, conveniently dismount and install mouth mould.

The utility model discloses a rubber cutting machine for rubber product processing, which comprises a working table, a side plate is fixedly arranged on the side wall of the working table, a top beam is fixedly arranged at the top end of the conveying side plate, a first cylinder is arranged in the middle of the top end of the top beam, and the bottom of the first cylinder is connected with a lifting frame. A motor is arranged on the side wall of the lifting frame, and the output end of the motor is connected with a pressing roller. According to the rubber cutting device, the air cylinder, the lifting frame, the pressing roller and the flow guide base are combined for use, rubber needing to be cut can be pressed and subjected to flow guide treatment, and therefore the situation that position deviation occurs when subsequent rubber is cut, and consequently unnecessary troubles are caused is prevented; and then the lifting frame drives the pressing roller to longitudinally move along with the lifting frame, then the pressing roller is used for pressing the rubber, the arranged flow guide base can assist in transverse conveying of the rubber, and the flow guide purpose is achieved.

The utility model discloses a detachable and storable windproof device for pile welding construction, which relates to the technical field of welding construction, and comprises a vertical supporting main beam, the side direction of the vertical supporting main beam is provided with a mounting interface, the bottom of the vertical supporting main beam is provided with a drill rod insertion rod, and the top of the vertical supporting main beam is provided with a vertical shaft and a rotary weather vane; the single-frame bracket keel is in a bent shape, and fireproof flame-retardant cloth is mounted in the single-frame bracket keel; at least two groups of prestressed pipe piles and single-truss bracket keels are arranged, and one ends of the prestressed pipe piles and the single-truss bracket keels are connected with the mounting interfaces of the vertical supporting main beams; the other end is located at the leeward part of the rotary vane; the vertical supporting main beam and the two sets of single-truss support keels are suitable for being installed around the prestressed pipe pile position and are not closed, so that the problem that the welding quality is greatly affected by the high wind speed is solved.

The utility model provides a magnetic attraction method wallboard rapid installation structure, which comprises a metal frame fixed on a wall, an installation module is arranged between a wallboard and the metal frame, the installation module comprises a plurality of first installation grooves arranged on the metal frame, a first permanent magnet strip is arranged in each first installation groove, and a second permanent magnet strip is arranged in each first permanent magnet strip. The metal frame comprises a first mounting groove, a second mounting groove, a second permanent magnet strip, a guide module and an expansion insertion rod, and an expansion insertion cylinder matched with the expansion insertion rod is arranged on the metal frame. According to the rapid wallboard installation structure adopting the magnetic attraction method, the basic requirement for installing the wallboard on the wall can be met, and the wallboard and the connecting structure can be rapidly and firmly installed and fixed through the magnetic attraction type installation structure, so that a user does not need to carry out auxiliary fixing on the wallboard in a time-consuming and labor-consuming mode in the installation process, and the installation efficiency is improved. And therefore, the workload of a user is reduced, and the wallboard mounting efficiency is improved.

The application discloses a water bath box in the technical field of chemical experiment equipment, which comprises a shell, a water bath container, a motor for driving the water bath container to rotate, a plurality of vertical sliding grooves arranged along the circumferential direction of the shell, a sleeve shell sleeved with the outer periphery of the shell, sliding blocks fixedly arranged on the sleeve shell and slidably connected with the sliding grooves, a plurality of threaded holes uniformly and separately arranged along the vertical direction of the shell, the threaded holes and the sliding blocks being staggered, a plurality of fixing holes alternately aligned with the threaded holes, and a plurality of connecting pieces uniformly and separately arranged on the top of the sleeve shell along the circumferential direction and extending into the water bath container. The application changes the fixed height of the ring in the prior art into an adjustable height, adjusts the height of the ring to adapt to the height of the beaker under the premise of not changing the original core heating and rotating function of the water bath box, and improves the use efficiency of laboratory instruments and the reliability of experimental data.

The utility model relates to a handrail adjusting structure, a center control box assembly and a vehicle. The handrail adjusting structure comprises a guide part, a telescopic rod, a plurality of first clamping parts, a limiting part and a second clamping part. The guiding piece is used for being connected with a center control box. One end of the telescopic rod is used for being connected with the handrail, the other end of the telescopic rod is slidably connected with the guide piece, and the telescopic rod can slide in the axial direction of the telescopic rod relative to the guide piece. The multiple first clamping pieces are connected to the telescopic rod and arranged at intervals in the axial direction of the telescopic rod. The limiting piece is connected to the guiding piece in a sliding mode and can slide between a first position and a second position in the first direction, and the first direction is perpendicular to the axial direction of the telescopic rod. The second clamping piece is connected to the limiting piece, the second clamping piece is connected with one of the multiple first clamping pieces in a clamped mode when the limiting piece is located at the first position, and the second clamping piece and the multiple first clamping pieces are arranged at intervals in the first direction when the limiting piece is located at the second position. The height adjusting device is used for adjusting the height of the vehicle armrest.