5956 results about "Locking plate" patented technology

A dumbbell comprises a dumbbell body and a weight plate set, wherein the weight plate set comprises a weight plate and a locking mechanism; the locking mechanism comprises an accommodating disk, a limiting device and a limiting disk; the limiting device comprises a limiting block and a transmission block; the limiting block has a locking position and a releasing position; a limiting rail groove is arranged on the limiting disk; the limiting rail groove has a locking section and an opening section; a locking notch is also arranged on the accommodating disk; and a locking part is arranged on the weight plate; when in use, the dumbbell body is rotated, and the dumbbell is used for training such as pushing, lifting, lifting and squatting.

The invention relates to a hair curler that is easy to disassemble and assemble with stable conductivity, which comprises a curling unit and a holding control unit, wherein one end of the curling unit is equipped with a locking connection unit, which comprises a locking plate and a second elastic member connected to the locking plate; wherein one end of the holding control unit is equipped with a main conductive unit, which is used to cooperate with the locking connection unit to drive the curling unit to rotate; wherein the main conductive unit comprises a fixed conductive component fixed in the holding control unit and a rotary conductive component rotationally connected to one end of the fixed conductive component, wherein one end of the fixed conductive component is connected to a first conductive strip through at least one first elastic member, wherein the first elastic member is used to elastically push the first conductive strip to electrically conduct with the rotary conductive component, wherein the locking plate is pushed and fastened to one end of the rotary conductive component through a second elastic member. The invention has the advantages of more convenient disassembly and assembly, better and more continuous and stable conductive state, while simultaneously improvement of the assembly efficiency of products.

A box can include a first side panel; a second side panel positioned perpendicular to the first side panel; a top panel joined to the first side panel; and a handle assembly, the handle assembly including: a handle portion attached the top panel, the handle portion including a tab at a side end of the handle portion, and a locking panel attached to the second side panel, the locking panel defining a cut pattern, the cut pattern including a first side cut and a second side cut, a flap defined between the first side cut and the second side cut, the first side cut diverging into an inner cut extending along a bottom of the flap and an outer cut defining a space below the bottom of the flap, a portion of the second side cut extending along the bottom of the flap.

Disclosed is a power distribution device, including: a case rotatably provided; a first side gear connected to a first wheel; a second side gear connected to a second wheel; a pinion gear meshed with the first side gear and the second side gear; a cage provided to support the pinion gear and to be capable of relative rotation with respect to the case; a first lock plate contacting and spaced apart from the first side gear such that the first side gear is synchronized and unsynchronized with the case; and a second lock plate contacting and spaced apart from the cage such that the cage is synchronized and unsynchronized with the case. Accordingly, it is possible to improve a size, mountability, weight and cost, and to suppress unintentional release of the lock differential, as the disconnecting function and lock differential function are implemented.

The invention relates to the technical field of spectacle lens processing, in particular to optical spectacle lens polishing equipment which comprises a bottom plate, a polishing unit and a locking mechanism. The rotating ring and the pushing plates and the clamping blocks on the rotating ring jointly clamp the circumferential face of the spectacle lens and conduct self-locking, so that the rotating ring and the spectacle lens are integrated, in the follow-up polishing face replacing process, the rotating ring is moved upwards and turned over, the spectacle lens is placed on the vertical plate, and the polishing face is replaced. In the process, the reference of the rotating ring is always taken as the reference of the spectacle lens, so that the problem that the processing time and the processing error are increased due to the fact that the reference of the spectacle lens needs to be repositioned in the process of replacing the polished surface is solved; the polishing device is suitable for the polishing machining process of two spherical surfaces of the spectacle lens, the swing path of the polishing plate is limited in the polishing process, and the polishing precision and stability are improved.

A faucet includes a valve cartridge configured to control a flow of water and a structure that supports the valve cartridge. The structure includes a mount having a concave portion and a smooth portion positioned adjacent to the concave portion. The structure includes a lock plate that detachably couples to the mount, in which the lock plate has a convex portion. The convex portion of the lock plate interfaces with the concave portion of the mount in a first rotational position to secure the lock plate relative to the mount. The lock plate slides along the smooth portion in a second rotational position.

The utility model discloses a full-prefabricated assembly type concrete frame structure in the technical field of prefabricated building structures. The full-prefabricated assembly type concrete frame structure comprises connecting stand columns, upper stand columns, cross beams, column end splicing pieces, supporting rods and jacking bolts. The connecting stand column and the protruding block form a T-shaped structure. The upper upright post and the cross beam are straight rods; the column end splicing piece and the beam end splicing piece are locked into an overall stress structure through the locking plate, the supporting barrel and the supporting nut are locked through the supporting rod, a prefabricated piece can be used, a butt joint position anchoring device is additionally arranged, splicing positions can be aligned more quickly, the splicing precision and speed are improved, the construction efficiency is improved, and the construction cost is reduced. Due to the fact that the structure is simple, the steel bars are accurately pre-embedded in the prefabrication process, site construction is not needed, the steel bar embedding accuracy is greatly improved, and construction quality and construction convenience are improved; the cast-in-place work is reduced, the prefabrication rate and the construction efficiency can be improved, and therefore the construction cost is reduced.

Rear cargo tray systems to provide extra storage within a vehicle and related methods are provided herein. A rear cargo tray system for rotatable securement to an interior portion of a vehicle can include a tray body and first and second tray brackets that provide support surfaces on which the tray body can rest. The rear cargo system can comprise first and second hinges secured to the tray body and the respective first and second tray brackets and first and second gas springs anchored to the respective first and second tray brackets with piston arms that can be secured to the tray body. Further, the rear cargo system can comprise at least one latch secured to the tray body distal from the first and second hinges configured to engage a locking plate on one of the first or second tray brackets.

The invention relates to a locking device (1) for containers, doors, cabinets, furniture, or the like, which locking device has a lock plate (4), on which a combination lock (7), which has setting wheels (9), and a secondary lock (8) are arranged, and a stator (3), in relation to which the lock plate (4) having the combination lock (7) and the secondary lock (8) is rotatably arranged, the lock plate (4) having the combination lock (7) arranged thereon and with the secondary lock (8) arranged thereon being able to freely rotate 360 degrees relative to the stator (3) in the locked state of the locking device (1). In order to indicate opening of the locking device (1) by actuation of the secondary lock (8) to a person possessing the opening code of the combination lock (7), according to the invention, when the locking device (1) is opened by means of the secondary lock (8), the setting wheels (9) and coupling hubs (11) of the combination lock (7), which coupling hubs are associated with the setting wheels and can be axially moved relative to the setting wheels, can be uncoupled and an opening code of the combination lock (7) can be reset from an opening code set by means of the secondary lock (8) at the time of the opening of the locking device (1) to a specified factory code.

The invention relates to the technical field of steel structure construction, in particular to a three-dimensional adjustable steel structure positioning and assembling support and an assembling method.The three-dimensional adjustable steel structure positioning and assembling support comprises a base, a side supporting jig frame and a lower supporting jig frame, and the side supporting jig frame comprises an adjusting base, a stand column, a transverse adjusting mechanism, a bracket, a side clamping plate and a longitudinal adjusting mechanism; the triangular pipe truss can be integrally pre-installed on the ground firstly according to actual needs, the aloft work amount is reduced, the construction safety and the construction efficiency are improved, and before the triangular pipe truss is assembled, the height and the width of the joints are changed through the adjusting mechanisms so that it can be guaranteed that the size and the shape of the triangular pipe truss meet the design requirements, and the triangular pipe truss can be repeatedly used; the production cost is reduced; the fine adjustment mechanism combines the characteristics of a lead screw adjusting mechanism and a wedge block adjusting mechanism, has good bearing capacity and adjusting precision, and is matched with the longitudinal adjusting mechanism, high adjusting precision is achieved, and the size precision requirement of production is met.

The invention discloses a three-position switch operating mechanism and a breaker manual operation locking device, and is characterized in that the three-position switch operating mechanism comprises a three-position operating mechanism which is provided with a program lock; on the program lock, pressing or releasing of an interlocking rod is controlled through a lock plate to limit or not limit an operation hole sliding door plate; the tail end of the interlocking rod is connected with the adjusting block; the adjusting block is connected with the end of the connecting pull rod; the connecting pull rod penetrates through a reset spring, and the state of the interlocking rod is reset through the reset spring when the program lock is unlocked. An interlocking connecting plate is arranged at the lower end of the connecting pull rod; a closing locking sliding plate and an opening locking sliding plate are symmetrically arranged on the interlocking connecting plate; the closing and locking slide plate is arranged on the circuit breaker support plate through a first guide structure; the opening locking slide plate is arranged on the circuit breaker support plate through a second guide structure. The closing locking slide plate is provided with a closing baffle plate used for blocking or releasing the closing button. The opening locking slide plate is provided with an opening baffle plate used for blocking or releasing the opening button. According to the invention, the program lock is adopted to connect the manual operation functions of the vacuum circuit breaker and the three-position switch together to allow or prohibit operation, padlocks are reduced, the program lock can realize more interlocking functions at the same time, the higher safety operation requirements of customers are better met, and the possibility of misoperation of the switch cabinet is reduced. Functions can be realized by adding a small number of parts on the basis of the original three-position operating mechanism and circuit breaker, the cost is low, and the function is reliable.

A scaffold has latch assemblies that are configured to hold a deck of the scaffold against a side rail of the scaffold. The latch assemblies include a shaft that is configured to extend through slots in the side rail. A locking tab at the end of the shaft presses against the deck due to action of a spring that urges the shaft downward relative to the side rail. The deck advantageously has an edge recess that receives the locking tab. The edge recess may be sized so that lock tab is flush with or below the top surface of the deck. A collar is slidably disposed on the shaft and is interposed between the bias element and the locking tab and is configured to help prevent the bias element from becoming entangled in the slot. The disclosure also relates to related latch assemblies, side rail assemblies, and methods.

The utility model relates to the technical field of chicken bone scissors, and discloses a pair of chicken bone scissors, which comprises a right scissor handle and a left scissor handle, a dismounting locking plate is locked and fixed in an open slot on the right scissor handle through a dismounting locking plate nail, and a dismounting locking plate spring is connected between the dismounting locking plate and the open slot; when the right scissor handle and the left scissor handle are matched to be used as scissors, the left scissor handle is limited by disassembling and assembling the locking plate to prevent the left scissor handle from falling off from the right scissor handle; limiting on the left shear handle is relieved by pressing the dismounting locking plate, and the left shear handle is dismounted from the right shear handle to be used as a cutter. The left scissor handle can be firmly fixed on the right scissor handle through the disassembly and assembly locking plate to be used as the scissors, the design of the disassembly and assembly locking plate can ensure that the left scissor handle cannot fall off in the using process, safety is improved, a user can relieve limiting by shifting the disassembly and assembly locking plate, the left scissor handle is disassembled to be used as a cutter, and the safety is improved. And the use flexibility and efficiency are improved.

A locking structure of folding knife based on an elastic locking plate comprises a knife handle and a blade. The knife handle is provided with an accommodating groove and a locking structure; the locking structure comprises a pivot, an elastic locking plate and an unlocking button. The blade is connected to the pivot, and a guide groove is defined on the pivot; A front end of the elastic locking plate is arranged in the guide groove; the elastic locking plate is provided with a locking part, and the blade is provided with a locking groove; the unlocking button is arranged on the pivot, the unlocking button abuts against one side of the locking plate, and the pivot is provided with an elastic resetting member.

The invention belongs to the technical field of welding equipment, and particularly relates to a welding device with a heat dissipation function for aluminum material machining and a welding method.The welding device comprises a straight seam welding body, a clamping assembly and a driving assembly are arranged on the straight seam welding body, and a position adjusting assembly is assembled on one side of the driving assembly; a locking plate is assembled at one end of the position adjusting assembly, a welding head is assembled at one end in the locking plate, and the polishing part comprises a guide rod, a support, an elastic element and a polishing motor. The polishing motor drives the polishing roller to rotate to polish an oxidation film at the aluminum material seam, the oxidation film is prevented from influencing formation of a molten pool, meanwhile, gas is conveyed into the preheating air duct and the cooling air duct through the air inlet fan, the gas in the preheating air duct can preheat and clean the aluminum material seam after absorbing heat, and the aluminum material seam can be cooled through the cooling air duct. And gas in the cooling air duct can cool the welding seam, so that the welding seam quality is improved.

The invention relates to the technical field of environment perception, and discloses an automobile multi-line laser radar system which comprises a mounting base and a protective shell which can be assembled and combined, a radar assembly is arranged at the top of the mounting base, a window is arranged on the front face of the protective shell, and the radar assembly comprises a servo motor fixedly mounted at the top of the mounting base. An output shaft of the servo motor is fixedly connected with a rotating mirror pipe frame, an adjustable rotating mirror is hinged to the outer portion of the rotating mirror pipe frame, and a lower locking disc is rotationally installed at the top end of the rotating mirror pipe frame. According to the automobile multi-line laser radar system, the rotating mirror pipe frame and the adjustable rotating mirror are designed in a split mode, the requirement for machining precision and the cost are reduced, meanwhile, the adjustable rotating mirror is hinged to the rotating mirror pipe frame through an inserting rod and an inserting base, a lower locking disc is rotated to drive a transmission gear to rotate, the included angle between the adjustable rotating mirror and the rotating axis of the rotating mirror pipe frame can be adjusted, and the machining precision is improved. Therefore, the adjustment process is easy.

The invention provides a cutting device for plastic packaging bag processing, and relates to the field of plastic bag cutting equipment. A cutting mechanism is arranged on the front side of the upper end face of the body, and a second rectangular groove is formed in the front side of the upper end face of the body. A conveying mechanism is installed in the second rectangular groove, a plastic packaging bag roll material is conveyed on the conveying mechanism, and a heat sealing mechanism is installed on the rear side of the upper end face of the main body. According to the upper pressing mechanism of the cutting device, through cooperation of the circular rotating disc, the annular limiting piece, the rectangular through opening, the first circular plate, the second circular plate, a rectangular locking plate block and a guide sliding rod, the phenomenon that a driving nut is loosened can be avoided, and the reliability of the upper pressing mechanism of the cutting device during pressing is improved; the problems that in the plastic packaging bag roll material conveying process of a traditional heat-sealing and cold-cutting type cutting device, a threaded rod in a pressing mechanism is prone to loosening due to stress, and then the reliability of the pressing mechanism on the cutting device during pressing is reduced are solved.

The invention belongs to the technical field of lifting equipment, and discloses a lifting device and a using method thereof.The lifting device comprises a lifting mechanism and a bidirectional self-locking mechanism, the lifting mechanism comprises a lifting platform capable of lifting in the vertical direction, and the bidirectional self-locking mechanism comprises an anti-falling self-locking rod, an anti-falling device and an anti-falling device, the bearing rod extends in the vertical direction, and the two-way anti-falling blocks are arranged on the peripheral face of the bearing rod in a protruding mode at intervals. The anti-falling assembly is arranged on the outer wall, facing the anti-falling self-locking rod, of the lifting platform, the anti-falling assembly comprises a self-locking plate rotationally connected to the outer wall, when the lifting platform ascends and descends, the self-locking plate can make contact with the two-way anti-falling blocks without hindering ascending and descending of the lifting platform, and when the lifting platform abnormally descends, the self-locking plate can stop any two-way anti-falling block; therefore, the lifting platform is prevented from falling abnormally. The lifting platform can be effectively prevented from falling accidentally, and the safety and reliability of the lifting device are improved.

The invention provides an electrical button, which has a accommodating groove with a accommodating cavity, an elastic fixing member and a rigid pressing member are arranged on the accommodating groove; the elastic fixing member has an upper ring cover and a lower ring cover, forming a first clamping groove; the upper ring cover and the lower ring cover The outer periphery of the ring cover is connected by the cap wall, and the lower end of the cap wall is clamped in the connecting groove of the side wall of the receiving groove; the outer periphery of the lower end of the cap wall is provided with an upper fixing edge and a lower fixing edge to form a second clamping groove; The first clamping plate in the first clamping groove, the first clamping plate is provided with a pressing plate; the first clamping plate is provided with a guide post, and the lower end of the guide post is provided with a moving contact; the bottom surface of the receiving cavity is provided with a first static contact and the second static contact; the outer guide post is provided with an elastic piece, the upper end of the elastic piece is provided with an upper fixed end, and the lower end is set with a lower fixed end; the upper fixed end is clamped in the upper fixing groove of the first clamping plate, and the lower fixed end is clamped Connected to the lower fixing groove in the receiving cavity. The invention realizes double reset through the cap wall and the elastic member, so as to avoid the push button from being dead; the sealing performance is good, and dust and water are prevented from entering.

The invention provides a high-reliability servo actuating device which comprises an actuator body, the outer end of a piston rod of the actuator body penetrates out of a connecting part at a port of the actuator body, a locking plate and a limiting thread sleeve are arranged on the outer side of the connecting part, and the locking plate can move in the length direction of the connecting part. A first limiting nut is further connected to the connecting position of the outer end of the piston rod and the connecting base in a screwed mode, an emergency centering groove is formed in the position, corresponding to the piston cavity, of the inner wall of a shell of the actuator body, an emergency centering opening is formed in the surface of the shell, and the emergency centering groove is communicated with the emergency centering opening through a centering channel arranged in the side wall of the shell. The device has the beneficial effects that the stroke is adjustable through the limiting screw sleeve and the locking plate; high-pressure oil can be led out of the shell through the emergency centering groove, and the requirement for the opening degree of a vector nozzle of an engine can be met.

The utility model relates to the technical field of hydraulic tongs, in particular to a tong head locking mechanism of hydraulic power tongs, which comprises an X-shaped frame, a hydraulic power tong head locking mechanism and a hydraulic power tong head locking mechanism. Tooth grooves are formed in the side faces, close to each other, of the first arc-shaped plate and the second arc-shaped plate, a rotatable transmission gear is arranged between the first arc-shaped plate and the second arc-shaped plate in a meshed mode, a locking gear is fixedly connected to the outer side of the transmission gear, the locking plate is arc-shaped, and tooth grooves meshed with the locking gear are formed in the inner wall of the locking plate. The device has the beneficial effects that the first arc-shaped plate and the second arc-shaped plate are fixedly installed at the rear ends of the two movable arms correspondingly, the rotatable transmission gear is installed between the first arc-shaped plate and the second arc-shaped plate, the driving piece drives the locking plate to slide and limits rotation of the locking gear, and the transmission gear can limit the first arc-shaped plate and the second arc-shaped plate; therefore, mechanical locking of the X-shaped frame is achieved, and the situation that the hydraulic cylinder cannot clamp a workpiece due to insufficient pressure of the hydraulic cylinder is avoided.

The utility model discloses a test tube transporting device, which relates to the technical field of medical instruments, and comprises a driving mechanism, a test tube clamping arm component and a guide mechanism, and the device realizes the up-down sliding of a transporting shell through a sliding rail and a guide block of a guide unit. A servo motor and a synchronous belt of the driving unit drive the conveying shell to ascend and descend, and therefore conveying of the test tubes is completed. In the test tube clamping arm assembly, a conveying shell is fixed to a synchronous belt through a positioning plate and a locking plate, a test tube clamp body connected with a spring is obliquely arranged, and the test tubes are conveniently and stably placed. In the guide mechanism, limiting columns on an in-place top frame and an auxiliary frame limit a test tube clamp body, a top pressing plate presses downwards to enable the test tube clamp body to rotate, and a top plate ejects a test tube out and conveys the test tube to a designated position through a test tube guide frame. The test tube conveying device is compact in structure, easy to operate and capable of stably conveying test tubes and achieving accurate and automatic positioning.

A lockable differential assembly includes a lock plate that is rotatable about a rotational axis. The differential assembly also includes actuator assembly having a stator and an armature, the actuator assembly being switchable between energized and de-energized states. A radial alignment of the stator is provided based on a piloting feature provided at an outer diameter of the stator housing. A slip ring assembly configured to axially translate based on the locked state or the unlocked state of the differential assembly is provided, including a slip ring that interfaces with the armature at a slip surface, and one or more pins rotationally coupling the slip ring to the lock plate. The slip ring assembly is configured to transmit an axial locking force and an axial return force between the actuator assembly and the lock plate.

The invention relates to the technical field of laser welding, in particular to a positioning tool for laser welding, which comprises a platform, a motor is mounted on the outer wall of one side of the platform, one end of an output shaft of the motor is connected with a two-way screw through a coupler, and the outer walls of the two sides of the two-way screw are connected with a sliding frame through threads. A first sliding groove is formed in the outer wall of one side of the sliding frame, a clamping frame is slidably connected to the inner wall of the first sliding groove, a second sliding groove is formed in the outer wall of one side of the top of the clamping frame, a locking frame is slidably connected to the inner wall of the second sliding groove, and locking plates are fixedly connected to the outer walls of the two sides of the bottom end of the locking frame. The clamping plate pushes the bottom plate, the limiting plate rotates to be horizontal to limit the top of a workpiece under the linkage effect, and after the limiting plate rotates, the locking structure automatically slides downwards to be inserted into the corresponding position of the clamping structure for locking under the gravity effect, so that the clamping and positioning effect is improved, the machining error is reduced, and the repeated positioning precision is improved; and the positioning efficiency of the laser welding positioning tool is improved.

The seat backrest lock comprises a lock body, a lock blade and a locking plate, the lock body is provided with a lock opening allowing an external automobile lock bolt to be placed in, the lock blade is bent towards the direction of the lock opening to form a lock hook used for sealing an opening of the lock opening, and the locking plate is provided with a pressing rod used for driving the locking plate to move when being pressed and releasing limitation on movement of the lock blade. A reset structure used for driving the lock blade and the locking plate to movably reset is arranged on the lock body, and a linkage block is arranged at the position, close to the lock opening, of the outer wall of the lock body. The buffer block is used for reducing the impact force of the automobile lock bolt and reducing the collision strength between the automobile lock bolt and the inner circumferential wall of the lock opening and between the automobile lock bolt and the lock blade when the external automobile lock bolt is placed into the lock opening, and the reinforcing structure is used for improving the buffering force of the buffer block on the external automobile lock bolt. The automobile seat backrest lock solves the problem that a traditional seat backrest lock is prone to excessively colliding with a lock opening or a lock blade when an automobile lock bolt is placed in so that parts can be damaged or large noise can be generated.

The invention relates to a quick-release protective primary and secondary fusion complete ring main unit, and relates to the technical field of ring main units, the quick-release protective primary and secondary fusion complete ring main unit comprises a box body, a terminal strip and a box door mounted on the vertical side surface of the box body, and heat dissipation openings are formed in the two side walls of the box body; a plurality of fixed insertion blocks are fixedly arranged on the terminal row, substrates are installed on the two inner walls of the box body in the vertical direction, and fixed insertion grooves allowing the fixed insertion blocks to be embedded therein are formed in the side faces, away from the side walls of the box body, of the substrates; limiting plates capable of sliding up and down are arranged on the upper side face and the bottom face of the base plate, positioning plates are perpendicularly and fixedly arranged on the side faces, away from the base plate, of the limiting plates in the horizontal direction, and locking plates bent in the direction close to each other are perpendicularly and fixedly arranged on the two positioning plates. A control piece is arranged in the box door, and a reset piece is arranged on the base plate. When the box door is closed, the control piece drives the two locking plates to slide oppositely, and the terminal row is locked rapidly. When the box door is opened, the reset piece enables the two locking plates to slide oppositely, and quick disassembly and maintenance are facilitated.

The application discloses a kind of automobile seat slide rail structures, it is related to the technical field of automobile accessories, it includes outer rail, inner rail, rocker mechanism and guiding limiting mechanism;Rocker mechanism includes the rod body being arranged in inner rail, the proximal end of rod body is connected with crank after extending out of inner rail, the distal end of rod body is provided with locking plate and torsion spring;The side of locking plate is connected with rod body, the other side of locking plate is provided with several clamping teeth;The side wall of outer rail is provided with locking hole compatible with clamping tooth;Guiding limiting mechanism includes fixed plate, limiting pin and limiting block;Fixed plate is arranged in inner rail and below rod body, the middle part of fixed plate is provided with guiding slot along the axial direction of inner rail;The lower end of limiting pin is connected with the inner bottom wall of outer rail, the upper end of limiting pin is passed through guiding slot and then abuts on rod body;Limiting block is provided with through hole for rod body to pass through, and the upper end of limiting block is connected with inner rail, the lower end of limiting block is connected with fixed plate;Limiting pin and limiting block are made of rubber material.