34results about How to "Achieve self-locking function" patented technology

The invention discloses an automatic alarm clothes rack. The automatic alarm clothes rack includes: a motor, and a screw: one end of the screw is connected to the motor, and the other end is connected to a fixed light rod through a bearing for hanging clothes; it also includes: a solar power generation panel, It is used to generate electricity and block rainwater. There are rainwater detectors on both sides of the solar power generation panel. When the rainwater detector detects water droplets, the motor drives the screw to rotate, and pushes the clothes hanging on the screw to the direction of the polished rod; the invention is also designed with The air humidity detector and the temperature detector, the system compares and analyzes the data detected by the air humidity detector and the temperature detector, and draws that the information that it will rain is displayed on the display screen and the indicator light turns on a yellow light. The beneficial effect is that the automatic alarm clothes hanger can automatically collect clothes in rainy days, and can send an alarm through the alarm indicator light to remind people that it will rain and collect clothes in advance, effectively reducing the possibility of clothes being wet. The structure is simple and easy to operate .

The invention belongs to the technical field of optical instruments, and provides a zooming transmission system with a self-locking performance for a zoom lens in order to solve the problem that the conventional zooming transmission mechanism has an insufficient output torque or an insufficient output rotational speed when the elevation angle of the zoon lens is increased gradually. The zooming transmission system comprises a high-precision rotary potentiometer, a direct current motor, an elastic shaft coupling joint, an output gear, a support box body, a main lens barrel, an output shaft, a worm wheel, a worm rod, a box body and a motor seat; the direct current motor is fixed on the motor seat; the motor seat is fixed on the box body; the direct current motor is connected with the shaft where the worm rod is through the elastic shaft coupling joint; the worm rod is precisely meshed with the worm wheel; the worm rod is used for driving the worm wheel to perform transmission; the worm wheel is fastened on the output shaft through a taper pin; the output gear is fixed on the output shaft through a taper pin likewise; the output shaft is in rigid connection with the rotary potentiometer through a pin bolt; and the output gear is precisely meshed with the gear of a cylindrical cam. According to the zooming transmission system provided by the invention, the problems are solved, so that the response speed and reliability of the zoom lens are improved.

The invention discloses a folding windproof drying rack and a method thereof. The folding windproof drying rack comprises a circular hook box, supporting frames, and an L-shaped gear rod; the circularhook box contains an arc part and a main body; one end of the arc part is connected to the main body, and the other end is connected to a circular hook at a first connection point by a pin shaft; thecircular hook rotates around the first connection point and can form a closed loop with the arc part; the support frames are separately connected to the main body of the circular hook box; the L-shaped gear rod includes a long rod and a short rod; the long rod passes through the vertical groove of the main body, and the short rod connected with the long rod extends toward the transverse groove ofthe main body, so that the short rod and the first end of the circular hook constitute an agraffe device; and the bottom end of the long rod extends out of the groove to connect a lower plate. The advantages are as follows: by combining the circular hook box, the circular hook, the gear rod and the lower plate, the drying rack can be folded, which is conducive to saving space; and the drying rackdisclosed by the invention realizes the self-locking of the drying rack by the gravity of the clothes itself only, which brings more convenience to the user and adds comfort to the life.

The invention discloses an anti-theft door with a hydraulic locking device. The anti-theft door with the hydraulic locking device comprises an installing wall and a floor and is characterized by comprising a vertical plate, a doorframe, an anti-theft door, a hydraulic controller, a hydraulic cylinder and a pull rod, wherein the vertical plate is positioned at the left side of the front end of the installing wall, the vertical plate and the installing wall are in threaded connection, the doorframe is positioned at the central part of the right end of the vertical plate, the doorframe and the vertical plate are in welding connection, the anti-theft door is positioned at the central part inside the doorframe, the anti-theft door and the doorframe are movably connected, the hydraulic controller is positioned at the central part of the lower side at the right end of the vertical plate, the hydraulic controller and the vertical plate are in threaded connection, the hydraulic cylinder is positioned at the central part of the right end of the vertical plate, the hydraulic cylinder and the vertical plate are in threaded connection, the pull rod is positioned at the central part of the front end of the hydraulic cylinder, and the pull rod and the hydraulic cylinder are in threaded connection. Compared with the prior art, a person controls the hydraulic controller by using a remote controller to control the hydraulic cylinder to control the pull rod to extend and retract, so that the opening and the closing of the anti-theft door are achieved; the pressure magnitude of the hydraulic cylinder can be adjusted through a hydraulic press; the larger an external force is, the larger the pressure generated by the hydraulic controller is, so that completely self-locking and anti-theft functions are achieved.

The invention discloses a method for preventing a lock bolt from loosening and a lock bolt assembly. According to the invention, at least one key slot is made on the thread section of a bolt, and a key block is inserted into the key slot, then the bolt is screwed into a nut, thread teeth on the nut are used for extruding the key block to be deformed, a thread in closely matched with the nut is extruded on the key block, and then the thread of the nut can be tightly matched with the thread extruded on the key block to generate a locking force, so as to achieve the aim of preventing the lock bolt from loosening. The method for preventing the lock bolt from loosening and the lock bolt assembly not only have the advantages of being reliable in self-locking, good in strength and light in weight, but also has the advantages of being low in requirements on heat treatment, easy to product, low in production cost, convenient to use and the like.

The invention relates to an installation module, which comprises a bottom shell, a rotating wheel, a push rod, a pressure block and a pressure cover; the rotating wheel rotates to drive the push rod to move along the extension direction in a reciprocating manner; the push rod drives the pressure block to slide in a containing space; when the pressure block moves to the tail end of the containing part, the side wall of the containing part of the bottom shell prevents the pressure block from sliding continuously; the first convex shaft of the pressure block slides from one end of a chute to the other end; one end of the pressure block close to the push rod is titled; the convex corner of the pressure block is contained in a slot of the containing part to limit the pressure block; one end, far away from the push rod, of the pressure block is pressed downwards to tightly press a box body; the push rod moves reversely to drive the convex corner to slide out of the slot of the containing part; the pressure block is separated from the box body. A wrench is only necessary to rotate the rotating wheel bilaterally in the whole installation process, so that installation and disassembly of an LED display component can be realized; the process is completed through one step; the repetitive steps of fixing screws are avoided; convenient installation and disassembly of unit modules are realized. The invention further provides the LED display component.

The invention discloses a bearing buffering bottom mounting sliding rail. The bearing buffering bottom mounting sliding rail comprises fixed rails and movable rails which are matched with each other, pulleys and guide grooves matched with pulleys, buffers are arranged on the fixed rails, each buffer comprises a support I, a support II, a damper and a clutch device, each clutch device comprises a clutch component I and a clutch component II, each clutch component I is arranged on the lower portion of one side of the corresponding support I, the top of each fixed rail is provided with a groove of which the width is matched with that of the corresponding clutch component I, the lower portion of the clutch component appears out of the bottom of the corresponding support I and is clamped in the groove at the top of the corresponding fixed rail, and each clutch component II is arranged on the top of one side of the corresponding movable rail which matched with the corresponding fixed rail; each damper is arranged on one side inside the corresponding support II, the other side of the support II is provided with a tension spring, and the two ends of each tension spring are fixed on the upper portion of the corresponding support I and the upper portion of the corresponding support II. According to the bearing buffering bottom mounting sliding rail, the problems that a traditional bottom mounting sliding rail does not have a buffer function, and the noise is big are solved, the structure is simple, installation is convenient, self-locking and buffer functions are achieved, operation is stable, gentle and quiet, the cost is low, and batched production is achieved.

The invention discloses a novel pillow, and belongs to living goods. The novel pillow comprises a lifter and a motor; the novel pillow height can be adjusted through the motor rotation; the novel pillow further comprises a heating plate and a temperature detector; the internal fluid of the novel pillow can be adjusted through the heating plate and the temperature detector. The novel pillow can adjust the height and temperature of the pillow according to personal preference, and is low in manufacturing cost and convenient to operate.

The invention discloses a self-locking bolt which comprises a screw with a screw cap and a nut, wherein the nut and the screw are provided with internal and external threads in mutual matching respectively; one end of the nut is also connected with a locking pad; the locking pad is provided with an internal thread matched with the external thread of the screw; and the locking pad is circumferentially provided with a local notch penetrating through the inside and outside. The self-locking bolt disclosed by the invention has the advantages of simple structure, low cost and good anti-loosening self-locking effect, and is easy to manufacture.

The invention discloses an ammeter terminal block comprising a terminal block body and double contact leaf springs. The terminal block body is provided with an installation groove. The lower end of the double contact spring is fixedly installed in the installation groove of the terminal block body. Welding discs are uniformly distributed on a PCB in the width direction of the PCB. Correspondingly, the double contact leaf springs are uniformly distributed in the installation groove. The welding discs are installed on the bottom surface of the PCB. The PCB is connected into the installation groove in an inserted mode, and is positioned between the top ends of the double contact leaf springs and the groove wall of the top portion of the installation groove. The terminal block body is also provided with an installing hole used for assembling of a conductive wire; a wire pressing frame is arranged in the installing hole; the wire pressing frame is provided with a penetrating square hole used for accommodating a conducting strip and the conductive wire; the wire pressing frame is provided with a threaded hole matched with screw threads of a screw; and the top wall of the wire pressing frame is provided with an inverted-V-shaped groove in a penetrating mode.

The invention discloses an injection nozzle which includes a nozzle body, an empty cavity arranged in the middle part of the nozzle body and communicated with the outside of the nozzle body, a thread arranged on the lower surface of the nozzle body and at least two nozzles uniformly arranged at the upper end of the nozzle body; discharge channels are respectively arranged between the nozzles and the empty cavity. The invention is characterized in that the discharge channels are respectively arranged at one side of the axle wire of the nozzle body and form a certain incline degree with the axle wire; the direction of the incline degree of the discharge channels is the same as the rotation direction of the thread. The injection nozzle has the advantages that when the injection nozzle is in a working state, the counterforce of material leads the injection nozzle to screw according to the rotation direction of the thread; thereby achieving the function of self-locking and avoiding a die from being damaged caused by the loosening of the injection nozzle.

A retractable-type safe self-locking-type self-destructing syringe, which comprises a syringe barrel body (6). A plunger (7) is arranged in the syringe barrel body (6). A needle base is arranged in a barrel neck at an end part of the syringe barrel body (6). A sealing ring (3) is sleeved on the outer wall of the needle base. A head part for needle replacement is formed by the upper part of the needle base. A flexible support engaging piece (4) is arranged within a cavity at the lower part of the needle base. A locking-clutching mechanism matching the end part of the plunger (7) is arranged within the flexible support engaging piece (4). The locking-clutching mechanism is provided with a flexible characteristic. Also, a flexible support limiting mechanism matching the inner wall of the cavity of the syringe barrel body (6) is formed by the exterior of the flexible support engaging piece (4). A clutching part matching the locking-clutching mechanism is formed by the end part of the plunger (7).

The invention relates to a lifting tool, in particular to a salt bag lifting tool. The salt bag lifting tool provided by the invention has the self locking function. The salt bag lifting tool comprises a fixing block, a lifting hook, a slide rail, two slide blocks, installation seats, upper arms, upper hinges, a releasing-gripping spring and the like; the center of the top of the fixing block is provided with the lifting hook, and the bottom of the fixing block is provided with the slide rail; the two slide blocks are arranged on the slide rail and provided with the installation seats; the upper hinges are hinged to the two installation seats and provided with the two upper arms; and the releasing-gripping spring is arranged between the two upper arms. The salt bag lifting tool achieves the self locking function and the convenient adjusting effect, through the self gravity of a salt bag, self locking of lower arms can be achieved, and the salt bag is firmly gripped. The salt bag lifting tool can be suitable for different sizes of salt bags, the distance is adjusted by moving the slide blocks, and the two edges of the salt bag is gripped more safely.

The invention belongs to the technical field of universal rotation of medical instruments, and particularly relates to a support self-locking device in the medical field. The support self-locking device comprises a first hinged rod, a second hinged rod and piston-type hydraulic cylinders, wherein the support self-locking device, as a universal joint device, has all functions of a spherical hinge;and compared with a traditional spherical hinge, a switch valve between a second pipeline and an elastic liquid bag can be controlled to control the relative swing and rotation between the first hinged rod and the second hinged rod so as to enable the first hinged rod and the second hinged rod to achieve a self-locking function. If the device is applied to a support in the medical field, comparedwith a traditional support which is used by matching the two-dimensional hinge and the universal hinge, the support is simpler to operate and easy to control, and the working efficiency of workers isimproved; and according to the device, the same elastic liquid bag can be used for the plurality of piston-type hydraulic cylinders, that is, the self-locking of a plurality of hinge points can be simultaneously controlled by controlling a switch of one liquid bag.

The invention discloses a multifunctional waterproof electronic switch with a lamp. The electronic switch comprises a structure main body which comprises a clamping connection pedestal and an upper cover, an LED patch is arranged in the center of the base, an elastic piece is arranged above the LED patch in a covering mode, a key is arranged above the elastic piece in a covering mode, and the upper cover is located above the key; the elastic sheet is a four-claw elastic sheet; the base is composed of a hardware terminal and a plastic part. The IP67 waterproof function is achieved, a problem of failure caused by the fact that scaling powder flows into a switch in the reflow soldering process can be solved, full-automatic production can be achieved by adopting LED patches, and production efficiency and good product aluminum are improved; the hardware support is designed to be produced through a continuous die, six terminals can be designed in an existing space, then the hardware support and plastic are combined into the base through the plastic embedding technology of injection molding, and therefore a purpose that an LED achieves the full-color function is achieved.

The invention discloses a high slope retaining wall structure and a construction method, belongs to the technical field of house building engineering equipment, solves the problem that an existing retaining wall structure is inconvenient to adjust, and is technically characterized in that the high slope retaining wall structure comprises a positioning piece, the positioning piece is used for being inserted into a high slope and connected with a retaining wall, and the retaining wall is assembled through a connecting mechanism; the supporting mechanism comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are both connected with the retaining wall, and the supporting mechanism is used for being connected with the spliced retaining wall; the bearing mechanism comprises a supporting box, a lifting assembly, a rotating shaft assembly, a bayonet lock assembly and a hand wheel, the hand wheel is rotated, the hand wheel drives the lifting assembly to move by driving the transmission assembly to move, the transmission assembly is arranged at one end of the rotating shaft assembly, and the bayonet lock assembly is connected with the supporting box; the clamping pin assembly is used for controlling the lifting assembly to work and has the advantage of being convenient to adjust.

The invention relates to a lifting tool, in particular to a salt bag lifting tool. The salt bag lifting tool provided by the invention has the self locking function. The salt bag lifting tool comprises a fixing block, a lifting hook, a slide rail, two slide blocks, installation seats, upper arms, upper hinges, a releasing-gripping spring and the like; the center of the top of the fixing block is provided with the lifting hook, and the bottom of the fixing block is provided with the slide rail; the two slide blocks are arranged on the slide rail and provided with the installation seats; the upper hinges are hinged to the two installation seats and provided with the two upper arms; and the releasing-gripping spring is arranged between the two upper arms. The salt bag lifting tool achieves the self locking function and the convenient adjusting effect, through the self gravity of a salt bag, self locking of lower arms can be achieved, and the salt bag is firmly gripped. The salt bag lifting tool can be suitable for different sizes of salt bags, the distance is adjusted by moving the slide blocks, and the two edges of the salt bag is gripped more safely.

The invention discloses an auxiliary device for producing a computer processor mainboard in the technical field of computer mainboard production equipment.The auxiliary device comprises a bottom frame, a machining table is fixedly installed at the top of the bottom frame, and a fixing box is fixedly installed on the front side of the interior of the bottom end of the machining table; and side boxes located on the two sides of the fixed box are fixedly installed in the bottom end of the machining table, and the bottoms of the fixed box and the side boxes are all located below the machining table. By arranging the telescopic mechanism, the fixed plate, a second movable clamp, a fixed clamp and a movable mechanism, due to rotation of a lead screw, a piston plate can move downwards in a fixed box, and then the sealing effect of the two sides of the piston plate on the interiors of the two side boxes can be relieved; at the moment, a water source in the side box can continuously enter the fixed box, and along with continuous reduction of the water pressure in the side box, a flexible spring which is originally in a compressed state can push a moving block to move.

The invention belongs to the technical field of medical instrument universal rotation, and particularly relates to a direction adjusting equipment accessory applied in the medical treatment field. Thedirection adjusting equipment accessory applied in the medical treatment field comprises a first connecting rod, a second connecting rod and a hydraulic cylinder. A universal joint device has all functions of a spherical hinge, and compared with a traditional spherical hinge, the device has the advantages that relative swinging and rotating between the first connecting rod and the second connecting rod can be controlled by controlling a switching valve between a second liquid pipe and an elastic liquid sac, and then the first connecting rod and the second connecting rod achieve the self-locking function. According to the direction adjusting equipment accessory applied in the medical treatment field, when a piston rod rotates relative to a piston shell, the limiting effect on a limiting plate installed on the piston rod is achieved through a clamping plate installed on the upper end face of a sleeve of a piston column, the rotation angle is smaller than 360 degrees, the condition thatin the process that the piston rod rotates relative to a piston inner shell, an inner thread formed in a threaded sleeve installed on the piston inner shell is separated from an outer thread formed inthe piston rod, and the safety of the device is improved.

The invention belongs to the technical field of universal rotation of medical equipment, and in particular relates to a direction adjustment equipment accessory in the medical field, which includes a first connecting rod, a second connecting rod, and a hydraulic cylinder. The universal joint device has all the functions of a ball joint, Compared with the traditional ball joint, this device can control the relative swing and rotation between the first connecting rod and the second connecting rod by controlling the switching valve between the second liquid pipe and the elastic liquid bag; so that the first connecting rod and the second connecting rod to achieve self-locking function; when the piston rod designed in the present invention rotates relative to the piston shell, the clamping plate installed on the upper end surface of the piston rod outer casing plays a limiting role on the limit plate on the piston rod, The rotation angle is less than 360 degrees, which prevents the internal thread on the threaded sleeve installed on the piston inner shell from being disengaged from the external thread on the piston rod during the rotation of the piston rod relative to the piston inner shell, which improves the safety of the device .

The invention discloses a latch bolt self-locking module structure of a full-automatic lock body. The latch bolt self-locking module structure is characterized in that the latch bolt self-locking module structure comprises a latch bolt self-locking module and a trigger bolt assembly which are arranged in a lock shell; the latch bolt self-locking module comprises a latch bolt head, a latch bolt shell, an unlocking shifting piece, reset compression springs, self-locking push rods and reset seats, and is characterized in that the reset seats corresponding to the self-locking contact blocks are arranged in the latch bolt shell, the self-locking push rods extend out of the reset seats and are positioned in guide grooves of the latch bolt box, and the reset compression springs are arranged at the set positions of the sides of the self-locking push rods. And then the unlocking shifting piece is arranged on the latch bolt box and is combined with the tail part of the self-locking push rod and then is locked by the cover plate, and the latch bolt head is arranged in the latch bolt shell jack to form the latch bolt self-locking module. The latch bolt is compact and simple in structure, the latch bolt can easily shift the self-locking push rod to unlock when the latch bolt corresponding to a door frame lock hole is subjected to door deformation and large external pressure, and the latch bolt belongs to an innovative leading technology at home and abroad.

The invention discloses an electromagnetic relay manual test switch structure convenient to operate and an electromagnetic relay. The manual test switch structure comprises an electromagnetic relay shell and also comprises a shift knob, wherein the shift knob is rotatably arranged on the shell, the shift knob locally extends to the shell and is matched with a push clamp of the electromagnetic relay, the shift knob can be shifted to an open or closed state, the push clamp is driven to move along a direction of driving a movable spring sheet of the electromagnetic relay by the shift knob when the shift knob is opened, and the push clamp is released by the shift knob when the shift knob is closed. The shift knob is employed to substitute a knob and is used as a test switch of the electromagnetic relay, the state is more intuitive, a detector is difficult to operate by mistake, a tester is also more convenient to operate, labor is saved, the tester can operate by a single finger, and no tool is needed in a narrow space.

The invention discloses a self-locking type steel pipe fence, which comprises a transverse fence and a vertical fence, wherein the vertical fence is inserted into a hole arranged on the transverse fence, support lug bosses are respectively arranged on two clinodiagoal edges of the hole arranged on the transverse rail, a convex tongue is arranged at the front end of each lug boss, the width of theconvex tongue is smaller than the width of the lug boss, the projected length of the lug boss is larger than the projected length of the projected tongue, the distance between the two lug bosses in the horizontal direction is equal to the width of the vertical fence, insertion holes or inwards recessed grooves are arranged in corresponding positions correspondingly to the vertical fence of the convex tongues, the convex tongues can be inserted into the insertion holes or the inwards recessed grooves, and the lug bosses at both sides of the convex tongues can support the vertical fence. The structure is adopted for mutually fixing the transverse fence and the vertical fence, the structure is simple, the use is convenient, the fixation effect is good, and the self-locking function can be reached.