34results about How to "Simple locking structure" patented technology

The invention discloses a paper feeding width adjusting mechanism of a printer. The paper feeding width adjusting mechanism comprises a paper feeding width adjusting body, an adjusting plate I, an adjusting plate II, a rotating swing rod and a locking structure. The adjusting plate I and the adjusting plate II are installed on the two sides of the front face of the paper feeding width adjusting body respectively and can horizontally move along sliding grooves in the paper feeding width adjusting body, and the corresponding sliding grooves of the adjusting plate I and the adjusting plate II are not in the same straight line. The rotating swing rod is rotationally connected to the middle of the back of the paper feeding width adjusting body, and meanwhile the two ends of the rotating swing rod are connected with the adjusting plate I and the adjusting plate II correspondingly to make the adjusting plate I and the adjusting plate II move oppositely or oppositely; and the locking structure is used for locking the position of the adjusting plate I. The method has the advantages of being low in part precision requirement, small in machining difficulty and the like, especially has few installation procedures, and is suitable for large-scale industrial production.

The invention provides a pneumatic control operating mechanism capable of locking a first / reverse gear, which belongs to the technical field of gearboxes and comprises a small cover, a gear shifting shaft assembly, a fan-shaped self-locking block, a driving pin, a gear shifting block, a gear selecting rotating arm, a gear selecting shaft, a stop valve, a connecting air pipe, a two-position five-way valve, a high-gear air pipe assembly, a low-gear air pipe and a locking air cylinder. The first-gear large-speed-ratio 12.6 gearbox requirement of the crane market can be met, when the gearbox is engaged with the high gear, locking needs to be completed at the first / reverse gear selecting position, the first / reverse gear selecting action is not carried out, gear selecting and shifting are convenient, and the locking structure is simple.

The application provides a transmission device and a window body, the transmission device comprises a hinge transmission mechanism and a locking transmission mechanism, one end of the hinge transmission mechanism is fixed at an angle position between a side edge of a sash body and a bottom edge of the sash body, the other end of the hinge transmission mechanism is slidingly connected to a bottom edge guide rail of a frame body, and the locking transmission mechanism is arranged on the bottom edge of the sash body; the locking transmission mechanism comprises a translation assembly and a locking assembly, one end of the translation assembly is used for connecting the hinge transmission mechanism, the hinge transmission mechanism is used for applying an action force to the translation assembly to make the translation assembly slide in a sash groove of the bottom edge of the sash body, and the other end of the translation assembly is connected to the locking assembly; the locking assembly is provided with a locking limiting part which can extend into the guide rail of the frame body. The locking limiting part is matched with the bottom edge guide rail of the frame body, the locking and positioning of the sash body are directly realized by using the guide rail of the frame body, other locking seat structures are not needed to be additionally arranged for cooperation, the locking structure can be simplified, and the occupied area of the locking transmission mechanism on the frame body is reduced.

The utility model discloses a reinforced concrete pavement reinforcing positioning device, including a plurality of support mechanism for spacing arrangement along the length direction of reinforcing bar, the support mechanism includes support seat, antiskid sleeve and hoop assembly, install the hole on the support seat, the antiskid sleeve is detachably worn in install the hole and part section is along the axial extension and goes out install the hole, the inner hole of antiskid sleeve is used for wearing reinforcing bar, the hoop assembly is worn on the position of antiskid sleeve and goes out install the hole and is used for the hoop tight antiskid sleeve to pass through antiskid sleeve clamping fixed reinforcing bar. The utility model provides reinforced concrete pavement reinforcing positioning device can adjust the support position flexibly, satisfies the positioning support demand of different reinforcing bar to ensure the positioning accuracy, the convenient quick wearing reinforcing bar, effectively promotes the reinforcing efficiency, and can be adapted to the reinforcing bar of different diameter, and the applicability is strong.

The utility model relates to a tool box system. The tool box system comprises a first tool box and a second tool box, wherein the first tool box and the second tool box are stacked in the longitudinal direction. The first tool box comprises a first base and a first upper cover which are hinged, the first upper cover is provided with a first locking piece, the first base is provided with a first latch, and the first upper cover further comprises a first containing part. The second tool box comprises a second base and a second upper cover which are hinged to each other, and the second base is provided with a second locking piece. When the second tool box is stacked to the first tool box, the second locking piece of the second tool box is placed in the first containing part of the first tool box, and the first latch of the first tool box can be connected with the first locking piece of the first upper cover and the second locking piece of the second base at the same time so that self-locking of the first tool box can be achieved at the same time. And the first tool box and the second tool box are mutually locked.

The present invention discloses an integrated chemical defense and explosion-proof decontamination disposal system, which comprises a chemical defense and explosion-proof storage and transportation tank, and is characterized in that: it also comprises a decontamination disposal device, the tank mouth locking mechanism assembly of the chemical defense and explosion-proof storage and transportation tank is simultaneously sleeved on the mouth of the tank body and the mouth of the tank cover, the decompression and unloading component and the emergency unloading component of the decompression and unloading cleaning assembly of the chemical defense and explosion-proof storage and transportation tank are respectively sealed and connected with the top of the tank body, and the cleaning component is sealed and connected with the bottom of the tank body; the harmful gas and liquid inlet of the decontamination disposal device are sealed and connected with the discharge port of the chemical defense and explosion-proof storage and transportation tank, and the outlet is discharged to the outside, the decontamination liquid inlet of the decontamination disposal device is sealed and connected with the decontamination liquid storage tank, and the decontamination liquid outlet of the decontamination disposal device is respectively sealed and connected with the filling port of the primary decontamination assembly, the filling port of the secondary decontamination assembly and the filling port of the chemical defense and explosion-proof storage and transportation tank.

The embodiment of the utility model discloses a liquid cooling plate airtight tool which comprises a main connector, an air pipe connector is installed on the top of the main connector, a clamping jaw installation groove is formed in the outer side of the lower end of the main connector, a clamping jaw clamping ring is arranged on the clamping jaw installation groove, the upper ends of a plurality of clamping jaws are clamped on the clamping jaw clamping ring, and a locking ring is arranged on the outer side of the main connector and the outer sides of the clamping jaws in a sleeved mode. Sealing grooves are formed in the outer sides of the upper ends of the clamping jaws, and first sealing rings are installed in the sealing grooves. The utility model has the advantages of simple structure, low cost, good self-locking property, good air tightness and low failure rate.

The utility model relates to a product conveying and lifting device which comprises a vertical guide rail, a lifting air cylinder, a positioning tool, a conveying belt, a locking air cylinder, a photoelectric sensor and a lifting plate. A positioning tool, a conveying belt and locking air cylinders are arranged on the lifting plate, the positioning tool is arranged above the conveying belt, the conveying belt is used for horizontally conveying the positioning tool, the locking air cylinders are arranged on the portions, on the two sides of the horizontal conveying advancing direction of the positioning tool, of the lifting plate, and when the positioning tool is conveyed to the conveying belt, the locking air cylinders are locked by the locking air cylinders. The locking device is used for locking the positioning tool; the lifting plate is connected with the lifting cylinder; the lifting cylinder drives the lifting plate to move up and down along the vertical guide rail; the photoelectric sensors comprise the first photoelectric sensor and the second photoelectric sensors, the first photoelectric sensor is arranged on the inner side, close to the positioning tool, of the lifting plate, and the second photoelectric sensors are arranged on the two sides of the bottom end of the vertical guide rail. The positioning tool is positioned in time, and the positioning tool is suitable for application occasions containing multiple layers of product conveying lines.

The utility model provides a quantitative liquid drainage device, and belongs to the technical field of medical auxiliary tools. The quantitative liquid discharger comprises a liquid storage structure, the liquid storage structure comprises a liquid storage barrel, a fixed bottom plate is arranged in the middle of the interior of the liquid storage barrel, and the fixed bottom plate and the liquid storage barrel are integrally connected; the top of the liquid storage barrel is connected with a liquid taking structure. The side face of the liquid taking structure is connected with a liquid inlet structure. An adjusting structure is arranged in the liquid storage barrel, and the adjusting structure is connected with the fixed bottom plate; and a locking structure is arranged in the liquid storage barrel and above the fixed bottom plate. By arranging the adjusting structure, the volume of the liquid storage barrel can be changed through the adjusting structure, the liquid extraction effect is effectively improved, by arranging the locking structure, the locking structure is simple and convenient to install, regular maintenance is not needed, the medical cost is effectively reduced, the liquid extraction structure automatically locks the liquid extraction piece when the liquid extraction amount reaches a set value, and the liquid extraction efficiency is improved. The operation is simple, and the liquid taking efficiency is improved.

The utility model discloses a short body male head belt buckle structure, relates to the connector technology field, and comprises a male head outer shell, a guide cylinder is arranged in the male head outer shell, two sides of the male head outer shell are provided with assembling ports, the assembling ports are internally provided with spacing assemblies used for limiting the guide cylinder, and the spacing assemblies are arranged in the male head outer shell. The limiting assembly comprises a lock catch piece located on one side and a lock catch block located on the other side, a sliding fastener is installed on the outer wall of the male head outer shell, two sets of assembling rings are arranged on the outer wall of the guide cylinder, the lock catch piece and the lock catch block are both located between the two assembling rings, the lock catch piece comprises an assembling frame, and the assembling frame is arranged on the outer wall of the male head outer shell. Limiting brackets are arranged at the upper end and the lower end of the assembling frame. The problems that the overall structure stability is poor due to the fact that a spring is adopted for limiting during assembly of an existing connector male head, and the cost of the whole connector is increased due to the fact that an assembly technology needs to be added in the production and machining process of the structure are solved.

The utility model belongs to the technical field of automobile accessories, and particularly relates to a mobile phone clamping mechanism which comprises a main board, a clamping arm connected to the main board in a sliding mode and a clamp arranged at the end of the clamping arm, a U-shaped limiting block with a downward opening is fixedly connected to the top face of the main board, and a tooth buckle capable of passing through the bottom of the main board is installed in the U-shaped limiting block in a sliding mode. Linear holes which are consistent with the clamping arms in sliding direction and matched with the outer surfaces of the U-shaped limiting blocks are formed in the clamping arms, racks are arranged on the top faces of parts of the clamping arms, blind holes are formed in the parts, away from the racks, of the clamping arms, the length directions of the racks and the length directions of the blind holes are consistent with the length direction of the linear holes, and unlocking compression springs are arranged in the blind holes; a locking compression spring is further arranged between the U-shaped limiting block and the tooth buckle, the top end of each tooth in the rack inclines towards one side of the clamp, and the rack is matched with the tooth buckle. According to the utility model, a complicated locking structure on the market is improved, the cost is reduced, the reliability is increased, the misoperation is reduced, and the service life is prolonged.

The utility model discloses a punching mechanism for steel plate machining, and relates to the technical field of punching equipment. Comprising a positioning mechanism, a driving mechanism is arranged at the top of the positioning mechanism, a sleeve and a threaded cylinder are fixedly connected to the bottom of the positioning mechanism, a sliding rod is slidably connected to the interior of the sleeve, a first adjusting bolt is in threaded connection to the interior of the threaded cylinder, a pressing plate is fixedly connected to the top of the sliding rod, and a sliding groove is formed in the middle of the positioning mechanism; the sliding groove, the support and the sliding block are arranged to form a transverse sliding structure and a vertical sliding structure, the position of a projection point of the drill bit on the steel plate is adjusted, the positioning pin is arranged to fix connection of the drill bit and the transmission rod, the sliding sleeve is arranged to fix the position of the positioning pin, and the drill bit locking structure formed by the positioning pin and the sliding sleeve is simple and convenient to operate. And the drill bit replacement convenience is improved, and the drill bit replacement and the drill bit replacement are combined, so that the convenience of adjusting the drilling equipment is improved.

An electrical equipment automation control cabinet disclosed by the present invention comprises a cabinet body, the front surface of the cabinet body is movably connected with a cabinet door, the cabinet door can be opened by rotating outwards from one side of the cabinet body from left to right or from right to left, one side of the cabinet body is movably connected with a side plate, and the side plate can be folded inwards and upwards at the top in the cabinet body. A ventilation mechanism is arranged at the bottom in the cabinet body, the ventilation mechanism comprises a ventilation assembly, and the ventilation assembly can swing left and right to form a fan-shaped air area for uniformly blowing air into the cabinet body. The cabinet door of the cabinet body can be opened outwards from two different directions, the structure of the cabinet door is simpler, meanwhile, the handle with the locking structure is arranged on the cabinet door, the locking structure is simpler, the side plates of the cabinet body can move, the side plates can be turned inwards and folded upwards at the top of the interior of the cabinet body in the overhaul process, a space is reserved in the side direction of the cabinet body, and the space is reserved in the side direction of the cabinet body. A user can directly overhaul the interior of the cabinet body from the side edge.

The utility model discloses a suspension type controller protection shell which comprises a shell, at least two hooks and a limiting block are fixedly arranged on the back of the shell side by side, and the suspension type controller protection shell is characterized in that a locking block is rotationally arranged on the back of the shell through a rotating assembly, and a rotating limiting mechanism is arranged between the locking block and the back of the shell. The bottom of the locking block downwards extends out of the bottom of the shell to form a shifting part, when the shifting part is rotated to rotate the locking block to a locking position, the upper end of the locking block is clamped on a clamping groove in the lower portion of the suspension frame, the position of the locking block is kept fixed under the limiting effect of the rotation limiting mechanism, and at the moment, the bottom of the shifting part is located below the bottom of the suspension frame; when the shifting part is rotated to rotate the locking block away from the locking position, the upper end of the locking block overcomes the limiting effect of the rotation limiting mechanism and rotates downwards to be separated from the lower clamping groove of the suspension frame; the locking device has the advantages of being simple in whole locking structure, easy to machine and install, capable of saving cost, good in fixing effect and convenient and labor-saving to operate.

A rotary disconnecting switch handle structure with a lock comprises a handle, a limiting piece, a locking piece and a reset piece. The handle is rotationally arranged and can rotate between an opening position and a closing position so as to drive the rotary disconnecting switch to be opened or closed; a padlock hole is formed in the handle, and the limiting piece is rotationally arranged on the handle and can rotate between an unlocking position and a locking position; when the reset piece drives the limiting piece to be kept at the unlocking position, the handle can rotate; the handle is rotated to a preset position, the limiting piece is rotated to a locking position, the limiting piece and the locking piece are matched in a locking mode to limit rotation of the handle, and a padlock is inserted into the padlock hole so that the limiting piece can be kept at the locking position. The rotary disconnecting switch comprises the rotary disconnecting switch handle structure with the lock, and the handle is in linkage connection with the operating end of the operating mechanism. According to the rotary disconnecting switch with the lock handle structure and the rotary disconnecting switch, the switch-on and switch-off of the rotary disconnecting switch caused by misoperation are avoided, the structure is simple, and the locking operation is convenient.

The utility model discloses an electronic lock which comprises a shell, a lock cylinder assembly installed in the shell and a spring bolt assembly linked with the lock cylinder assembly. The lock cylinder assembly comprises a first shifting piece and a second shifting piece. The second shifting piece is linked with an arranged driving piece, and the second shifting piece is connected with a shifting piece arranged in the shell; the spring bolt assembly comprises a support and a spring bolt sliding in the support. A locking groove is further formed in the side face of the spring bolt, a brake pin is arranged on the outer portion of the support, and the brake pin is matched with the locking groove so that the spring bolt can be prevented from turning over, and locking of the spring bolt is completed. And one end of the brake pin is connected with the shifting piece. When the driving piece drives the second shifting piece to rotate, the shifting piece is driven to rotate in the shell, so that the other end of the shifting piece drives the brake pin to be separated from the stop groove, and locking of the lock tongue by the brake pin is relieved.

The utility model discloses a drawer slide rail self -locking device, including drawer slide rail, vertical slide, set in the linkage mechanism of vertical slide, drawer slide rail is at least two groups, interval setting on vertical slide, linkage mechanism includes at least two groups of trigger lock, drawer slide rail includes slide rail and sets in the trigger piece of slide rail one end, trigger piece and trigger lock adaptation, trigger lock rotates, and trigger piece and slide rail can be in translation, and trigger lock locks, and trigger piece and slide rail cannot be in translation. The utility model discloses the rotation of the trigger lock of setting off, realizes the locking of other trigger lock, and locking structure is simple and reliable in operation, thereby controls other drawer self -locking in the drawer cabinet, and cannot open.

The invention discloses a bolt anti-loosening treatment method. According to the method, firstly, a metal wire passing hole is formed in the head of a bolt to be locked in the radial direction; then the two ends of the metal wire penetrate through the metal wire passing holes of the two adjacent bolts to be locked, wherein the metal wire passing holes are distributed up and down; then the penetrating-out part, located at the upper end, of the metal wire through hole of the to-be-locked bolt is tensioned clockwise along the side wall of the head of the bolt, and the penetrating-out part, located at the lower end, of the metal wire through hole of the to-be-locked bolt is tensioned anticlockwise along the side wall of the head of the bolt; and finally, the two ends of the metal wire are wound on the linear section of the metal wire located between the two to-be-locked bolts respectively. According to the bolt anti-loosening treatment method, the two adjacent bolts to be locked are fastened in a metal wire winding mode, the bolt loosening phenomenon can be effectively prevented, and it can be ensured that a product is locked reliably in the storage period.

The protection module comprises a magnetic flux release, the magnetic flux release comprises a fixed magnet yoke, a coil framework, a coil, a static iron core, a movable iron core, a push rod and a counter-force spring, and the movable iron core is provided with a movable iron core locking face used for being in locking fit with the push rod matching face; when the magnetic flux release is in a first operation state, the movable iron core locking surface is locked and matched with the push rod matching surface, so that the push rod is locked at a first position, and the movable iron core drives the counter-force spring to store energy; and when the magnetic flux release is in a second operation state, the movable iron core locking surface is separated from the push rod matching surface, and the counter-force spring releases energy to drive the push rod to be switched to a second position. The circuit breaker comprises a protection module. According to the protection module and the circuit breaker provided by the utility model, the movable iron core locking surface used for locking the push rod is directly constructed on the movable iron core, and the push rod can be driven to trip the operating mechanism only through the energy release of one reaction spring, so that the structure is simplified, the tripping action time is shorter, the tripping force is easier to calculate and control, and the tripping performance is more stable.

The utility model relates to a kind of connector based on photovoltaic solar panel in the technical field of connector, including shell and the metal terminal being set to inside, shell includes split structure's connecting female shell and connecting male shell, metal terminal includes first contact terminal and second contact terminal, one end of first contact terminal and second contact terminal is bendable metal sheet part, the outer surface of metal sheet part is equipped with external thread structure, the tail end of connecting female shell and connecting male shell is all set up with mounting threaded hole, first contact terminal and second contact terminal form cylindrical structure by bending metal sheet part, first contact terminal and second contact terminal can be by the external thread structure of metal sheet part and mounting threaded hole carry out screwing fixed, this connecting structure has good locking structure, simultaneously, the structure of connecting female shell and connecting male shell is optimized, reduces fastening nut and other parts investment, not only reduce cost, but also improve the connection stability of connector.

The utility model discloses an acupuncture point positioning ruler, and aims to overcome the defect that the hand of an object needs to be repeatedly used as a ruler in the conventional acupuncture point positioning method. The device comprises a frame body and an adjusting piece, the frame body comprises two end plates arranged in parallel, a guide rod and a locking rod, the guide rod and the locking rod are fixedly connected to the end plates, the guide rod is parallel to the locking rod, the adjusting piece comprises a positioning ring, a locking lug and a locking structure, the positioning ring is arranged on the guide rod in a sleeving mode and can slide relative to the guide rod, and the locking lug is arranged on the locking structure. The locking lug is arranged on the locking rod in a sleeving mode and can slide on the locking rod, the locking structure can limit relative movement of the locking lug and the locking rod, a fixed column is arranged on the end plate, and a movable column parallel to the fixed column is arranged on the adjusting piece. Fingers attached to an object are clamped through movement of the movable column, then the movable column is positioned through the locking structure to complete measurement, the length of one inch is obtained, then the frame body is used for measuring and positioning acupuncture points on the body of the object, and operation is convenient.

The application discloses a combined forming hydraulic machine with punching, forging and extruding functions and belongs to the technical field of metal processing. The combined forming hydraulic machine comprises a base and a machine body, the machine body is fixedly connected to the base, a top plate is further connected to the base through a sliding rod, and the combined forming hydraulic machine further comprises two groups of symmetrically arranged mounting plates, one group of the mounting plates is fixedly connected to the top plate, the other group of the mounting plates is fixedly connected to a driving end of the machine body, a forming part is detachably connected to the mounting plates, fastening screws are threadedly connected to the mounting plates, and the fastening screws are used for locking the forming part. The combined forming hydraulic machine is fully compatible with three core plastic forming processes of punching, forging and extruding, a plurality of single-process special hydraulic machines are not needed to be arranged, the equipment procurement cost and the site occupation area of an enterprise are greatly reduced, the comprehensive utilization rate of the equipment is effectively improved, and the combined forming hydraulic machine is suitable for the flexible production demand of small and medium-sized enterprises for multiple varieties and small batches.

The application belongs to the technical field of containers and specifically discloses a hinge assembly, an inner hinge, a container hinge and a container. The hinge assembly comprises the inner hinge and the outer hinge which are hingedly connected with each other, the outer hinge is connected with the outer hinge hinge part through the lower inner hinge hinge part, the inner hinge is provided with a waist-shaped hole, the outer hinge is provided with a limiting hole corresponding to the waist-shaped hole, and the waist-shaped hole and the limiting hole can simultaneously pass through the same limiting piece; wherein the limiting hole comprises an arc-shaped hole part, a limiting hole part and a switching hole which is connected between the arc-shaped hole part and the limiting hole part, the inner hinge can rotate relative to the outer hinge when the limiting piece simultaneously passes through the arc-shaped hole part and the waist-shaped hole, and the inner hinge is limited relative to the outer hinge when the limiting piece simultaneously passes through the limiting hole part and the waist-shaped hole. The container hinge comprises any one of the hinge assemblies. The container comprises any one of the hinge assemblies. The locking structure of the application is simplified, the assembly amount is small, and the cost is reduced.

The utility model relates to the technical field of kitchen electric appliances, in particular to a head-raising self-locking mechanism and a kitchen electric appliance. When the head-raising self-locking mechanism raises the head, a button is pressed down, a rotating shaft drives an adjusting rod to move backwards, the adjusting rod is separated from a first adjusting groove, and at the moment, a second connecting piece can rotate; when the second connecting piece rotates to a second position, the button is loosened, the rotating shaft drives the adjusting rod to move forwards under the action of resilience force of the reset spring, the adjusting rod is embedded into the second adjusting groove, and locking is completed; when resetting is needed, the button is pressed, the rotating shaft drives the adjusting rod to move backwards, the adjusting rod is separated from the second adjusting groove, the second connecting piece can rotate at the moment, when the second connecting piece rotates to the first position, the button is released, the rotating shaft drives the adjusting rod to move forwards under the resilience force effect of the reset spring, and the adjusting rod is embedded into the first adjusting groove. Locking is completed; operation is easy and convenient, the locking structure is simple, and locking and unlocking are easy to control.

The utility model relates to an air bag locking mechanism for an annular refrigerator door body foaming line mold frame, the foaming line mold frame comprises an upper mold frame and a lower mold frame, the inner side surfaces of the upper mold frame and the lower mold frame are hinged in an openable and closable manner, and a plurality of inverted U-shaped bolt buckles are longitudinally and upwards arranged on the outer side surface of the lower mold frame along the long side direction at equal intervals; clamping bolts which are of L-shaped structures and can be correspondingly connected with the bolt buckles in a buckled mode are longitudinally and downwards arranged on the outer side face of the upper die frame at equal intervals in the long edge direction of the upper die frame, and the tops of the clamping bolts are hinged to the outer side face of the upper die frame; a die lining plate matched with the lower die frame is placed on the top face of the lower die frame, and the die lining plate and the lower die frame are in elastic floating connection through four elastic pulling assemblies distributed in a rectangular shape. And an air bag is laid in a cavity formed between the mold lining plate and the lower mold frame. Through the cooperation mechanism of dynamic pressurization of the air bag and elastic pull uniform load reset, self-adaptive adjustment of the sealing pressure of the mold cavity and mold deformation compensation are achieved, the foaming quality is remarkably improved, meanwhile, the locking structure is simplified, and the production flexibility is enhanced.