51results about How to "Guaranteed locking effect" patented technology

The utility model discloses a linear guide rail pair with a locking function, which belongs to the field of linear guide rails and comprises a guide rail and a slider slidably mounted on the guide rail, a mounting cavity with an opening at the lower end is arranged in the middle of the slider, and a locking component is arranged in the mounting cavity. The locking assembly comprises two locking heads symmetrically arranged on the two sides of the linear guide rail and connecting plates integrally formed with the locking heads, the locking heads are located in guide grooves of the linear guide rail, the upper ends of the connecting plates on the two sides are connected with the driving assembly, and one end of the driving assembly is connected with a locking handle. The locking assemblies are arranged on the two sides of the sliding block, the driving assembly is used for driving the locking assemblies on the two sides to lock or unlock the linear guide rail, and the locking effect and stability are improved.

According to the rapid positioning and locking device special for fixing the backward extrusion die assembly, a plurality of locking protruding blocks A are arranged on the outer wall of the circumference of the front end of a hollow die shaft, and locking splines B matched with the locking protruding blocks in number and shape are arranged on the inner wall of the corresponding connecting rear end of a connecting sleeve; a die assembly is installed in a front inner cavity of the connecting sleeve. The hollow die shaft and the die assembly are connected and fixed through the connecting sleeve, continuous extrusion production can be achieved without periodic die assembly and disassembly, a traditional backward extrusion conventional die assembly and disassembly mechanical arm is omitted, the equipment installation cost is saved, the backward extrusion production efficiency is greatly improved, and the production efficiency and the compact continuity are improved; and the extrusion tools are mutually fastened and connected, so that the connection is stable and reliable, the installation is convenient and fast, and the die replacement efficiency is improved.

The invention discloses an insulator fixture with a locking structure. A clamping piece is located below a fastening boss and arranged on an insulating spacer through a fastening bolt; a connecting thread and a positioning thread are arranged on the rod portion of the locking bolt, an internal thread matched with the connecting thread is arranged in the connecting section of the locking through hole, the positioning thread extends into the locking cylinder to be connected with the internal thread, a guide protruding strip is arranged on the outer wall of the locking cylinder, and a guide groove is formed in the inner wall of the locking through hole in the axial direction of the locking through hole. And the locking cylinder is provided with a wedge-shaped groove clamped at the thread of the fastening bolt, and the wedge-shaped groove forms locking. The fastening bolt is rotated to enable the clamping piece to make close contact with the cable and fix the cable on the fastening boss below the fastening boss of the insulating spacer, when the locking bolt rotates, the guide protruding strip drives the locking cylinder to move horizontally under the action of the guide groove, and finally the wedge-shaped groove of the locking cylinder is clamped at the thread of the fastening bolt to be locked. Accurate control and firm locking of the position of the clamping piece are achieved.

The invention discloses an automatic drilling conversion sleeve and a using method thereof.The automatic drilling conversion sleeve comprises a hexagonal cavity, a threaded connector, a centrifugal locking mechanism and an inclined hole, the centrifugal locking mechanism and the inclined hole are arranged between the hexagonal cavity and the threaded connector, and the hexagonal cavity is used for being connected with a hexagonal nut of a double-channel hollow self-drilling anchor rod; the threaded connector is used for being connected with a drilling machine output shaft. The centrifugal locking mechanism is used for locking and loosening a drawing ring of the double-channel hollow self-drilling anchor rod. By the adoption of the automatic drilling conversion sleeve, switching of the locking state and the loosening state of the locking mechanism can be achieved only through the forward rotation function and the reverse rotation function of an onboard jumbolter, power is provided by retreating of the jumbolter, and the locking mechanism pulls a drawing ring of the double-channel hollow self-drilling anchor rod to pull a steel wire and push out a resin anchoring agent. Under the condition that the double-channel hollow self-drilling anchor rod is used, manual disassembly of the drawing ring can be omitted, and the double-channel hollow self-drilling anchor rod installation technology is full-automatic.

The utility model relates to the technical field of locking bolts, in particular to a locking bolt for an automobile damping system. The technical problems that in the prior art, the locking effect of a locking bolt for an automobile damping system is reduced after long-time vibration and friction, and meanwhile, the bolt is polluted and rusted and the service life of the bolt is influenced due to the influence of rain and snow weather and bad road conditions in the automobile running process are solved. According to the technical scheme, the locking bolt for the automobile damping system comprises a nut assembly, a locking sleeve piece and a screw assembly; when in use, the screw assembly is arranged below an automobile damping component needing to be installed, the screw assembly penetrates through the automobile damping component, then the locking sleeve piece is installed above the component to be locked, and finally the nut assembly is spirally installed at the upper end of the screw assembly to press the locking sleeve piece, so that the locking state of a bolt is ensured, and the bolt is protected from being polluted by the outside. The problems that the locking effect of a locking bolt is not firm, and the locking bolt is prone to rusting when making contact with water are solved.

The present invention discloses a locking bolt, including a screw rod, a nut is provided on the top outer wall of the screw rod, a matching groove is provided on the top outer wall of the nut, the cross section of the matching groove is a regular hexagon, a locking assembly and a lifting assembly are provided at the bottom end of the screw rod, a positioning assembly for fixing the locking assembly is provided inside the matching groove, and a clamping assembly for fixing the lifting assembly is provided at the bottom of the matching groove. In the present invention, when the lock between the sleeve and the connecting column is released, the third spring in the compressed state in the first fixed tube will be reset immediately, so that the movable block can be pushed to the bottom of the second fixed tube, and with the movement of the movable block, the locking ball in the receiving groove can be pushed out from the through hole, thereby expanding the width of the entire second fixed tube, and then can play a blocking role in the process of the entire screw rod rising and falling due to vibration, thereby ensuring the locking effect of the entire screw rod.

The present application relates to a kind of helical stepless rotary locking mechanism, including screw nut, screw rod assembly and lock, screw nut can rotate around its axis;Screw rod assembly is installed at one end of screw nut, it is coaxial with screw nut distribution, and its one end is threadedly connected with screw nut;Lock is installed at the other end of screw rod assembly, for locking or loosening screw rod assembly.The beneficial effects of the present application are to provide a kind of simple structure, reliable, small locking force stepless rotary locking mechanism, for stepless locking to rotating component, locking driving force is small, can realize stepless locking to rotating piece.

The present invention discloses a wind turbine blade mold locking device that is easy to disassemble and assemble and a method of using the same, belonging to the technical field of wind turbine blade processing. The present invention comprises an upper fixing plate and a lower fixing plate that are respectively fixedly installed on the sides of the upper mold and the lower mold, and the upper fixing plate and the lower fixing plate are both provided with long screw holes for screw fixing, and the upper fixing plate and the lower fixing plate are also fixedly installed with support blocks, and the upper fixing plate and the lower fixing plate are respectively fixedly connected with a first locking seat and a second locking seat through the support blocks; a gas delivery component is arranged between the push block and the partition plate to realize gas delivery during locking; a locking component is installed on the inner wall of the second locking seat to realize the limit locking of the push block through temperature changes. The wind turbine blade mold locking device that is easy to disassemble and assemble and a method of using the same can be easily disassembled and assembled and locked twice, so as to realize stable locking of the mold, and the mold can be sealed during the locking process to ensure the locking effect.

The utility model discloses a universal waterproof and dustproof socket, which comprises an upper cover and a seat body, the seat body is provided with a rotating cavity, the upper cover and the seat body are hinged and matched to seal the rotating cavity, a socket body is arranged in the rotating cavity in a replaceable manner and is matched with the seat body in a rotating manner, the seat body is provided with a sealing ring, and the seat body is also provided with a first pressing hole. The upper cover is provided with a first pressing hole, the upper cover is provided with a second pressing hole, the first pressing hole and the second pressing hole form a wire hole, sealing soft rubber is arranged on the peripheral side of the wire hole, the upper cover is further provided with a lock catch assembly, the lock catch assembly comprises a lock catch plate, the lock catch plate is rotationally matched with the upper cover, the lower portion of the lock catch plate is provided with a lock hook, and the seat body is provided with a buckle matched with the lock hook. Through the rotatable design of the socket body, the bending degree of a wire after a plug is connected can be effectively avoided, the socket is adaptive to various plugs in the market, the sealing soft rubber arranged on the peripheral side of the wire hole can seal the connected wire, and the waterproof and dustproof performance is guaranteed; the lock catch assembly can effectively guarantee locking between the upper cover and the base, and accidental opening is avoided.

The invention discloses an electric barring gear of a direct-driven wind driven generator, which relates to the technical field of barring gear, and comprises a wind generating set, a brake disc is arranged on the wind generating set, a sleeve is arranged on the brake disc, mounting frames are arranged on the two sides of the outer wall of the sleeve, fluted disc parts are arranged in the mounting frames on the two sides, and the fluted disc parts comprise a fluted disc I and a fluted disc II; a locking mechanism is arranged in the mounting frame, positioning mechanisms are arranged on the first fluted disc and the second fluted disc, a driving mechanism is arranged on the wind generating set, a cleaning mechanism is arranged at the bottom end of the supporting piece, and the first fluted disc and the second fluted disc are rapidly locked through the locking mechanism and the positioning mechanisms, so that the first fluted disc and the second fluted disc form an integral structure; in this way, turning operation can be carried out without dismantling a coupler between the brake disc and the driving end of the generator, so that the working efficiency is greatly improved, and oil stains and other impurities outside the brake disc body are removed by arranging the cleaning mechanism.

The invention relates to a plastic bottle processing mold and a preparation method for producing a plastic bottle by using the mold, and relates to the technical field of mold equipment. The plastic bottle processing mold comprises a fixed mold body and a movable mold body, cavities are formed in the fixed mold body and the movable mold body respectively, a protruding part is arranged in each cavity, the ends, away from the corresponding cavities, of the two protruding parts abut against each other, and air containing grooves are formed in the ends, close to each other, of the two protruding parts respectively. A material containing groove is formed in the inner wall, away from the other protruding part, of each gas containing groove. Compared with the prior art, the mold has the following beneficial effects that gas between the two protruding parts can be reserved in the gas containing groove after the fixed mold and the movable mold are closed, so that the gas amount on the outer edges of the protruding parts after mold closing is reduced, a parison material between the plastic bottle handle and the main body can be clamped into the material containing groove by the protruding parts, and bubbles in the material containing groove are prevented from falling off. And blank waste can be removed together, and the bubble amount at the handle after forming is reduced.

A hinge cup for metal hinges includes a panel and a recessed pocket portion located in the middle of the panel. A hinge seat for hinged connection with the hinge body is provided on one side of the panel and pocket. Several outwardly protruding anti-detachment devices are integrally formed on the outer cylindrical surface of the pocket, serving to engage with the inner wall of the mounting holes after the hinge cup is installed into the plate. The beneficial effects of this invention are: the anti-detachment devices effectively resist external axial pull-out forces and radial wobbling, directly enhancing the bonding force between the hinge cup and the plate, fundamentally improving the anti-detachment performance of the hinge cup, and significantly enhancing the locking force.

The drawing hose comprises a corrugated pipe, the corrugated pipe is arranged in a supporting pipe in a penetrating mode, a water outlet assembly is connected to the corrugated pipe, the outer side of the corrugated pipe is sleeved with a locking sleeve and a releasing sleeve, the locking sleeve is connected with the supporting pipe, one end of the locking sleeve extends into the supporting pipe, and a fixing part is arranged at the end of the locking sleeve; the fixing part can be connected with the outer side of the corrugated pipe in a clamped mode, the release sleeve is located between the corrugated pipe and the locking sleeve, and the release sleeve can be inserted into the locking sleeve and can open the fixing part. The locking sleeve and the releasing sleeve are arranged on the corrugated pipe, the fixing part is arranged at the end, inserted into the supporting pipe, of the locking sleeve, and the fixing part can be connected with the outer side of the corrugated pipe in a clamped mode, so that the drawing length of the corrugated pipe is fixed, and flushing operation is facilitated; and meanwhile, the release sleeve can be inserted into the locking sleeve to open the fixing part so as to unlock the corrugated pipe, so that the corrugated pipe is convenient to retract, and the use is convenient.

The utility model relates to the technical field of switch cabinets, and discloses a cabinet door self-locking structure of a switch cabinet, which solves the problem that the cabinet door of the switch cabinet is inconvenient to self-lock, and comprises a switch cabinet main body, a switch cabinet door is hinged to one side of the switch cabinet main body, and the switch cabinet door is hinged to the other side of the switch cabinet main body. A primary self-locking assembly for primary self-locking is arranged in the switch cabinet body, an auxiliary self-locking assembly for auxiliary self-locking is arranged on one side of the primary self-locking assembly, the primary self-locking assembly comprises a main spring bolt, a sliding groove A is formed in the inner wall of the switch cabinet body, the main spring bolt is slidably connected into the sliding groove A, and a spring is fixedly connected to the inner wall of the sliding groove A; one end of the spring is fixedly connected with one side of the main spring bolt, and one side of the main spring bolt is fixedly connected with an outer magnetic block A. The lock groove assembly comprises a main insertion groove formed in one side of the switch cabinet door, an electromagnet is fixedly connected to the inner wall of the main insertion groove, a door opening groove is formed in one side of the switch cabinet door, and a button is fixedly connected to the inner wall of the door opening groove. The purpose of conveniently self-locking the cabinet door of the switch cabinet is achieved.

This utility model provides an angle-adjustable curved lock for LED displays, comprising a housing, an angle adjustment mechanism, and a side-locking mechanism. A rotating base is disposed within the housing. The angle adjustment mechanism includes an angle adjustment component, an angle adjustment disc, and a knob. The angle adjustment disc is located at the top of the angle adjustment component, and the bottom of the angle adjustment component is located within the housing. The angle adjustment component is mounted on the rotating base. The knob passes through the angle adjustment disc and is located within the angle adjustment component. Multiple sets of protrusions are evenly distributed around the periphery of the angle adjustment component, each set of protrusions having a locking hole. The side-locking mechanism includes a fixing sleeve and a handle. One end of the handle is connected to the fixing sleeve, and a limiting pin passes through the fixing sleeve. The top of the limiting pin passes through one set of locking holes in the angle adjustment component. Through the cooperation of the angle adjustment mechanism and the side-locking mechanism, multi-angle splicing can be achieved, meeting the installation requirements of curved surfaces and irregularly shaped spaces, improving installation flexibility and adaptability, and broadening application scenarios.

The invention relates to the technical field of pressure transmission, in particular to a pressure assembly and a vehicle. A pressure assembly includes: a decelerator housing; the first lug is arranged on the peripheral side, away from the frame body, of the speed reducer shell; one side, far away from the speed reducer shell, of the first lug is connected with the frame body; the second lug is arranged on the peripheral side, away from the frame body, of the speed reducer shell; one side, far away from the speed reducer shell, of the second lug is connected with the frame body; wherein the first convex lug and the second convex lug are arranged on the peripheral side of the speed reducer shell at an interval; the included angle between the center line of the first lug in the circumferential direction of the speed reducer shell and the center line of the second lug in the circumferential direction of the speed reducer shell has a first preset range. Therefore, the problem of how to ensure the locking effect of the pressure assembly and the frame body when the distance between the frame body and the pressure assembly is narrow is solved.

The utility model belongs to the technical field of nuts, and provides a hexagonal flange automatic locking nut which comprises a hexagonal nut head, a nut rod is fixedly connected to one side of the hexagonal nut head, threads are arranged on the nut rod, the threads penetrate through the threads to be connected with a hexagonal nut, an arc head is arranged at the end, away from the threads, of the nut rod, and the arc head is connected with the hexagonal nut. The hexagonal nut head is slidably connected with a pressing rod in a penetrating mode, the pressing rod is slidably connected into the nut rod in a penetrating mode, pushing rods are fixedly connected to the two sides of the end, away from the hexagonal nut head, of the pressing rod, and connecting rods are fixedly connected to the ends, close to the pushing rods, of the pressing rod. According to the hexagonal flange automatic locking nut, when the hexagonal flange automatic locking nut is tightened, the locking mechanism in the hexagonal flange automatic locking nut can still keep a stable locking state in a vibration environment, the hexagonal flange automatic locking nut is particularly important for equipment working under high-frequency vibration or impact load, the hexagonal flange automatic locking nut has excellent anti-vibration performance, higher locking force is achieved, and the hexagonal flange automatic locking nut is suitable for being used in a large-scale production line. Therefore, the nut can be more tightly attached to the threads after being tightened, and looseness is effectively prevented.

The inverter wall hanging structure comprises an assembling frame, the top end and the bottom end of the back face of the assembling frame are both fixedly connected with a positioning frame, the top end and the bottom end of the side, away from the positioning frame, of the assembling frame are both provided with assembling grooves, and the top end and the bottom end of the inner side of the assembling frame are both slidably connected with locking shafts; a transmission mechanism is arranged on the inner side of the assembly frame, the transmission mechanism is used for forming position support of the locking shaft, the transmission mechanism comprises a supporting shaft rod, a transmission plate, a linkage rod, a guide plate and a linkage plate, the supporting shaft rod is transversely and rotationally connected to the middle of the inner side of the assembly frame, and the transmission plate is fixedly connected to the outer side of the supporting shaft rod; the utility model relates to the technical field of inverters. According to the utility model, through the structural cooperation of the transmission mechanism, controllable displacement can be realized by using the locking shaft, the inverter main body assembly is formed, the inverter main body alignment is convenient, the positioning time is short, and the overall operation is more convenient.

The utility model provides a universal circuit breaker key locking device and a circuit breaker. The universal circuit breaker key locking device comprises a first key locking mechanism, a second key locking mechanism and a mounting bracket, the first key locking mechanism and the second key locking mechanism are installed on the installation support side by side, and a first lock rod of the first key locking mechanism is located at a first locking position and used for rotating relative to the installation support under driving of a first key and switching between a locking state and an unlocking state; and a second lock rod of the second key locking mechanism is positioned at a second locking position and is used for rotating relative to the mounting bracket under the driving of a second key and switching between a locking state and an unlocking state. According to the utility model, the two key locking mechanisms are arranged, opening locking can be carried out at different locking positions, and when one key locking mechanism has a mechanical fault, the other key locking mechanism can be used as a standby to ensure the locking capability of the system, so that the operation and maintenance safety is improved, and meanwhile, the function of a single key locking mechanism is also considered.

The utility model provides a brake locking mechanism for a balance arm of a microscope, which comprises an arc-shaped sheet fixedly connected to an upper link rod of the balance arm, and two parallel positioning short shafts respectively arranged on the upper link rod and a lower link rod of the balance arm, an upper positioning short shaft arranged on the upper link rod penetrates through a shaft hole formed in the arc-shaped sheet, and a lower positioning short shaft arranged on the lower link rod penetrates through a shaft hole formed in the arc-shaped sheet. Connecting rods are arranged on two sides of the arc-shaped sheet to connect the two positioning short shafts; the hand wheel sequentially penetrates through the left connecting rod, the left brake pad, the friction plate and a hand wheel assembly hole of the U-shaped groove of the arc-shaped piece and then is in threaded connection with the right brake pad, and the brake pads and the connecting rod are provided with corresponding anti-rotation bosses and anti-rotation grooves. The brake locking mechanism for the balance arm of the microscope provided by the utility model can quickly lock and loosen the balance arm, flexibly adjust the working position of the balance arm, and is beneficial to improving the operation efficiency and safety.

The utility model discloses a chair which comprises a chair frame as well as a chair seat and a chair back which are arranged on the chair frame, and is characterized in that the chair frame comprises two symmetrically arranged side rods which are fixedly connected; the chair seat or the chair back is mounted on the side rods through a locking mechanism; a plurality of lock holes which are formed up and down are formed in the side rods; the locking mechanism comprises two lock sleeves, the two lock sleeves are arranged on the two side rods in a sleeving mode respectively, the two lock sleeves are fixedly connected through a connecting part, and the chair seat or the chair back is installed on the connecting part; a button is hinged to the lock sleeve and movably connected with a plug pin, the plug pin is in sliding fit with the lock sleeve, and the plug pin is connected with the lock hole of the side rod in a pluggable mode. An elastic piece used for driving the bolt to be inserted into the lock hole is arranged between the button and the lock sleeve. Through the arrangement, the button is only used for driving the bolt to slide on the lock sleeve, so that the bolt enters and exits from the lock hole of the side rod, and the locking effect can be guaranteed; and the modeling and the structure of the parts are simpler, so that the chair is convenient to manufacture.

The utility model discloses a threaded sleeve with an expansion function, relates to the technical field of threaded sleeves, and aims to solve the problems that threaded connection between the threaded sleeve and a base material possibly becomes loose gradually and even the threaded sleeve falls off from a prefabricated hole when the threaded sleeve is affected by factors such as vibration, impact load, severe temperature change or material creep for a long time. Comprising a screw sleeve body, the screw sleeve body comprises a self-tapping section and an expansion section, the top surface of the self-tapping section is provided with the expansion section for preventing falling and loosening, and the outer wall of the expansion section is provided with a plurality of groups of notches for assisting the expansion section to change the radius; according to the design of the expansion section, the inner groove in the inner wall and the notches in the screw flights are matched with the effect of a subsequent installation tool, radial expansion of the expansion section can be achieved, and the expansion section is in tight interference fit with the inner wall of a screw hole after the thread sleeve body is completely installed in place.

The utility model relates to the field of injection molding machines, and discloses an electric injection moving structure of an injection molding machine, which comprises a glue injection mechanism, a mold locking mechanism, an elastic piece and a first ball screw, the glue injection mechanism is provided with a first driving device with a band-type brake function, and the first ball screw comprises a lead screw and a lead screw nut. The lead screw nut sleeves the lead screw and axially moves along the lead screw, the first driving device is connected with the lead screw and drives the lead screw to rotate, the mold locking mechanism is provided with a connecting rod, the end part of the connecting rod is provided with a limiting plate, the connecting rod penetrates through the outer wall of the lead screw nut and limits the rotation of the lead screw nut, and two ends of the elastic piece respectively abut against the lead screw nut and the limiting plate. According to the scheme that the driving mechanism outputs power to compensate displacement and achieve the locking effect, after successful butt joint, the glue injection mechanism is pushed to move forwards through the elastic force of the elastic piece, so that the locking effect is kept, energy consumption is saved, elastic deformation of the elastic piece can absorb part of impact force, the driving device is prevented from directly bearing extreme loads, and the service life of the driving device is prolonged. And motor life is prolonged.

The utility model relates to the technical field of photovoltaic single crystal thermal fields, in particular to a single crystal furnace heat preservation cylinder clamping and lifting tool which comprises a supporting ring, a plurality of anti-skid plates are detachably installed on the inner side of the supporting ring, and a tightening bolt used for adjusting the clamping range is arranged at the connecting end of one side of the supporting ring. A movable buckle assembly used for locking the supporting ring is arranged at the connecting end of the other side of the supporting ring, and a plurality of handrails are fixedly installed on the outer side of the supporting ring. The inner diameter of the supporting ring can be adjusted by rotating the tightening bolt, and after the inner diameter is adjusted, the polished rod can be controlled to slide towards one side by arranging the movable buckle assembly, adjusting the position of the locking nut and driving the first hinge block to rotate through the handle, so that the first clamping ring and the second clamping ring are in a locked state; and it is guaranteed that when facing heat preservation barrels of different sizes, the heat preservation barrels can be locked through the device, the clamping effect is guaranteed, subsequent lifting through a handrail is facilitated, and damage to the heat preservation barrels is avoided.

The utility model relates to the field of daily necessities, in particular to a waist support lock catch convenient to adjust, which comprises an upper cover plate used for being connected with a belt, a mounting wall is formed at the upper end of the upper cover plate, a rotatable tooth block is mounted on the inner side of the mounting wall, and a gap for an adjusting belt to pass through is arranged between one end of the tooth block and the upper cover plate. The adjusting belt is clamped in the gap between the tooth block and the upper cover plate, the tooth block clamps the adjusting belt through the action of the torsional spring, the locking effect of the lock catch is ensured, meanwhile, the handle is rotated to press one end of the tooth block, the gap between the tooth block and the upper cover plate is enlarged, and therefore the adjusting belt can be adjusted, and the locking effect of the lock catch is improved. Therefore, limitation on the adjusting belt can be relieved easily, and stepless adjustment of a product is achieved.