16results about How to "Increase self-locking ability" patented technology

The application provides a grey water PH regulating device, relates to the technical field of PH regulation, and comprises an adjusting tank and a filtering device, a water inlet pipe is fixedly connected to one side of the adjusting tank, a water outlet is fixedly connected to the lower end of the one side of the adjusting tank, a filtering device is arranged on the inner wall of the adjusting tank and corresponds to the position of the water inlet pipe, the filtering device comprises a filtering pipe, the two ends of the filtering pipe are slidably connected with the inner wall of the adjusting tank, mounting plates are fixedly connected to the two ends of the filtering pipe, sliding blocks are fixedly connected to the two sides of the mounting plates, sliding grooves are formed in the inner wall of the adjusting tank and correspond to the positions of the sliding blocks, and the surfaces of the sliding blocks are slidably connected with the inner walls of the sliding grooves. The filtering device, the stirring device and the gas exchange device are designed, so that the problem that the traditional filtering device is inconvenient to disassemble and clean, is easy to cause the mesh holes to be blocked by sundries, affects the water inflow, and has low PH regulation precision is solved.

The invention discloses a pipeline type multi-stage biological deodorization device which comprises a bio-trickling filter structure section, a connecting device, a pre-wetting structure section and a fine treatment structure section, and the connecting height of the bio-trickling filter structure section and an odor output pipe can be adjusted through the bio-trickling filter structure section; the connecting device is arranged at the rear end of the top of the bio-trickling filter structure section; the pre-wetting structure section is arranged at the left moving end of the connecting device; the biological filtration fine treatment structure section is arranged at the right side moving end of the connecting device and can drive a center component in the top of the biological trickling filtration structure section to rotate and stir in a limiting manner, and the connecting device can drive the pre-wetting structure section and the biological filtration fine treatment structure section to synchronously expand and contract; the fillers in the left end and the right end of the top of the bio-trickling filter structure section are clamped and fixed; in conclusion, flexible adjustment, linkage and quick connection and disconnection of the structural sections are achieved through multiple assemblies, and the odor purification quality and the deodorization efficiency are high.

The utility model relates to an anti-side-leakage overturning type cup cover which comprises a bottom cover, an installation hole is formed in the bottom cover, a suction pipe is fixedly arranged in the installation hole in a penetrating mode, and a suction nozzle is fixedly arranged above the suction pipe in a sleeved mode. The sealing assembly is arranged above the bottom cover, the sealing assembly is used for sealing the suction nozzle, the sealing assembly comprises a fixing sleeve and a top cover, the fixing sleeve is fixedly arranged above the bottom cover, the top cover is hinged to the upper portion of the fixing sleeve, the top cover is arranged above the mounting hole and the suction nozzle in a covering mode, and a sealing plug is fixedly arranged in the top cover; by using the sealing assembly and the fixing assembly, the cup cover can be better protected against side leakage, liquid in the cup is prevented from leaking out of a straw opening in the cup cover when the cup inclines, sealing of the liquid in the cup is improved, meanwhile, the closed cup cover can be better protected against touch opening, and the cup cover is protected from being damaged. Water leakage caused by accidental opening of the cup cover is prevented, the self-locking effect of the cup cover can be further improved, and the cup cover is convenient to use.

The embodiment of the invention provides an intelligent door and window system, and relates to the field of windows. The intelligent door and window system comprises a window frame and a window body movably connected with the window frame. The driving mechanism is arranged between the window frame and the window body and used for driving the window body to move relative to the window frame so as to open or close the window body; the sensor module is used for sensing environmental rainfall information and generating a trigger signal; and the control unit is electrically connected with the sensor module and the driving mechanism and is used for controlling the driving mechanism to act according to the trigger signal. Through mutual cooperation of the sensor module, the control unit and the driving mechanism, automatic opening and closing of the door and window under rainfall and other environmental conditions are achieved, manual intervention is reduced, and use convenience and safety are improved.

The utility model relates to the technical field of wiring terminals, in particular to a clamping type wiring terminal structure which comprises a base and a pressing block, two limiting blocks are fixedly installed above the base and located in the middle positions of the two ends of the base, the pressing block is installed between the two limiting blocks in a sliding mode, and the pressing block is located between the two limiting blocks and located in the middle positions of the two ends of the base. The threading hole of the pressing block and the groove of the limiting block adopt a spatial staggered layout design, and natural cross guidance is formed through a hole-groove dislocation structure, so that self-locking cross wiring of the cable is realized; and the arc-shaped groove is naturally attached to the outer contour of the cable to form a guide-in channel in smooth transition, and the cable can automatically slide into a preset position without accurate alignment when penetrating, so that the threading difficulty caused by friction clamping stagnation is remarkably reduced.

The utility model relates to the technical field of oil cylinder, especially relates to a hydraulic jack, including cylinder body, piston rod, locking mechanism and anti -rotation mechanism, the piston rod coaxial is established in the cylinder body, the locking mechanism includes locking block and motor, the locking block is set on the piston rod and is connected with its screw thread, the locking block outside processing step is connected with the motor inboard, the anti -rotation mechanism includes the shaft sleeve and the key, the shaft sleeve is set on the piston rod, its outside is connected with the cylinder body, the shaft sleeve inboard is set up and the key fixed connection of key groove, the piston rod outside has been set up recess groove is used to accommodate the key and with its sliding fit. Through structural improvement makes locking mechanism and piston rod mutual cooperation, and reasonable utilization jack internal space places anti -rotation mechanism in the cylinder body and reaches the effect of piston rod circumferential location to simple integrated stable while of hydraulic jack overall structure, saves the labor high -efficient locking reliable and can remote control.

The utility model discloses a kind of bagged material folding belt conveyors, including fixed frame, folding frame being hingedly arranged in one end of fixed frame and support frame being fixed below fixed frame, motor mounting bracket is movably hingedly connected at the bottom of folding frame, gear box and screw motor are respectively mounted at the both sides of motor mounting bracket, screw motor is drivenly connected with two trapezoidal screws by gear box;The inside of support leg of support frame is fixed with fixed seat, the fixed seat is rotatably connected with turnover frame, and screw nut is installed on the turnover frame.The folding frame of the utility model realizes folding, unfolding and supporting effect by screw motor and two trapezoidal screws, the included angle between trapezoidal screw thread direction and supporting stress direction is larger, self-locking effect is good and obviously higher than push rod, folding frame is supported by two trapezoidal screws symmetrical in front and back, so that it is supported stably and stress is evenly, still has excellent reliability and stability under the state of bearing transport.

The utility model belongs to the technical field of rotating motors, and discloses a motor with a self-locking function, which comprises a casing, a rotating shaft, a self-locking device and a self-locking device, and is characterized in that the casing is internally provided with a polygonal cavity which is provided with at least two groups of corner parts which are oppositely arranged; the stator magnets are arranged in the polygonal cavity in pairs, the stator magnets are installed at the corner parts in a one-to-one correspondence mode, the sides, facing the center, of the stator magnets are provided with arc-shaped faces, the arc-shaped faces are provided with grooves penetrating through the stator magnets in the height direction, and the stator magnets are divided into a plurality of stator magnetic poles through the grooves; the grooves in each stator magnet are formed in the same position; the plurality of arc-shaped surfaces are encircled to form a mounting area, the rotor is rotatably arranged in the mounting area, and the motor shaft is fixed in the center of the rotor and penetrates out of the shell. The motor with the self-locking function provided by the utility model is high in self-locking stability, low in abrasion and adaptive to a compact structure.

This invention proposes a CCS structure, including an aluminum bar and a nickel sheet. The aluminum bar has a trapezoidal groove. One end of the nickel sheet has a U-shaped spring portion, which is inserted into the trapezoidal groove to form a tenon-and-mortise connection. The U-shaped spring portion has a spring tongue, which elastically abuts against the groove wall of the trapezoidal groove in the inserted state to provide elastic self-locking force. This invention enhances the self-locking ability of the nickel sheet before welding through the tenon-and-mortise structure and the spring tongue structure, improves the stability and welding reliability of the nickel sheet after assembly, and solves the problem of poor fixing stability of existing straight hole grooves for U-shaped snap-fit ​​terminals.

The utility model discloses a self-locking mechanism and a lifting table motor. The self-locking mechanism comprises a limiting part; and the friction ring is connected to the driving shaft in a sleeving mode, the friction ring is connected to the limiting part, the friction ring is of a spiral bent structure, and after the limiting part is fixed, the friction ring conducts clasping self-locking or loosening on the driving shaft through forward rotation or reverse rotation of the driving shaft. In the braking process, the friction ring is driven by the driving shaft to deform, the inner diameter is reduced, the driving shaft is tightly held by the inner side face of the friction ring, self-locking is achieved, noise in the using process can be lowered, mounting and dismounting are convenient, and using is stable and reliable.

The utility model discloses a combined tuning peg with a self-locking function, which comprises a mandrel sleeved with a shaft sleeve. The mandrel penetrates through two opposite tuning peg holes in the headstock, the shaft sleeve and the two tuning peg holes have certain taper, and the shaft sleeve and the two tuning peg holes are in interference fit; the two ends of the mandrel are connected with the limiting piece and the adjusting piece respectively, and the limiting piece and the adjusting piece are clamped on the two sides of the guitar head. The adjusting piece can move along the mandrel, and the adjusting piece can push the shaft sleeve when approaching the limiting piece so as to adjust the fit interference magnitude of the shaft sleeve and the tuning peg hole. The adjusting piece is a nut, and the mandrel is provided with an external thread structure and is in threaded fit with the nut. The limiting piece is a one-way thrust bearing. According to the utility model, the problem of matching failure of the headstock and the tuning peg caused by temperature and humidity can be solved.

The utility model discloses a flat layer anti-slip device of a lift car elevator, which relates to the technical field of lift car elevators, and comprises two supporting seats, a self-locking control mechanism and a transmission mechanism, the two supporting seats are rotatably provided with the same main shaft, and the main shaft is provided with elevator cable rollers which are distributed at equal intervals. The self-locking type control mechanism is arranged, the worm can be driven by the stepping motor to rotate forwards and backwards, then the worm gear meshed with the worm can drive the elevator cable roller on the main shaft to rotate forwards and backwards so as to achieve the lifting action of the lift car elevator, and due to the self-locking performance after the worm and the worm gear are meshed, the self-locking type control mechanism has the self-locking function. By means of the technical means, the slip condition occurring after rotation of the elevator cable roller stops can be effectively prevented, the self-locking performance of the main shaft is directly improved, no clamping structure needs to be additionally arranged on the roller, control is more convenient and faster, the structure is simpler, and practicability is improved.

The utility model discloses a coal mine underground chute lifting device which comprises a hook, a connecting plate and a lifting chain which are connected in a hinged mode, the lower portion of the hook is a hook portion facing the inner side, the middle of the hook is a lower handle portion, the upper portion of the hook is an upper handle portion, the hook portion is sequentially connected with the lower handle portion and the upper handle portion, and the upper handle portion inclines towards the inner side and forms a certain angle with the lower handle portion. The upper handle portions of the two hooks intersect, a hinge shaft is arranged at the intersection, the ends of the upper handle portions are hinged to the lower ends of connecting plates, and the upper ends of the connecting plates on the two sides are connected with the two ends of a lifting chain respectively. The device is compact in overall structure and convenient to use, a traditional unsafe iron wire and horseshoe hook carrying mode can be effectively replaced, the safety and efficiency of coal mine underground chute mounting operation are improved, and the device has wide application prospects.

A thread rolling plate for producing screws with self-locking and high cutting performance comprises a main thread plate and an auxiliary thread plate. A thread rolling part and a chip removal part are arranged on the main thread plate and the auxiliary thread plate. And the thread rolling part comprises a thread rolling groove and a thread rolling edge. The main tooth plate and the auxiliary tooth plate are provided with a collecting part, a shaping part, a first double-tooth groove and a second double-tooth groove. The first double alveolar socket includes a first alveolar socket, and a first plane. The second double alveolar socket includes a second alveolar socket, and a second plane. The first double-tooth grooves are formed in the constriction part and the shaping part. The depth of the first tooth groove is set to be smaller than the depth of the thread rolling groove, auxiliary cutting is formed on the surface of the self-tapping part, and the cutting performance of the screw is improved. The depth of the second tooth groove is the same as that of the tooth rubbing groove, the self-locking part is formed on the thread, the friction force between the screw and wood is increased, and the self-locking performance of the screw is improved.

The application discloses a refrigeration cabinet, and belongs to the technical field of refrigeration equipment. The refrigeration cabinet comprises a cabinet body, a drawer and a locking assembly. The cabinet body has a first accommodating cavity, and the first accommodating cavity has an opening; the drawer comprises a bearing part and a front end assembly, one end of the bearing part is connected with the front end assembly, the bearing part is located in the first accommodating cavity, and the front end assembly can drive the bearing part to move into or out of the first accommodating cavity from the opening; and the locking assembly is arranged on one of the front end assembly and the cabinet body, and is used for locking the front end assembly to the cabinet body. The refrigeration cabinet can improve the stability of the position of the drawer.

The application relates to the technical field of shoe sole molds, in particular to a shoe sole mold capable of conveniently adjusting the thickness of a molded shoe sole, which comprises a main mold body, a thickness adjusting assembly and a positioning mechanism. The main mold body is composed of an upper shell and a lower base, the thickness adjusting assembly is in adjustable cooperation with the main mold body through an intermediate adjusting plate, a thickness continuous adjustment is realized through an adjusting driving device, and the positioning mechanism ensures stability after adjustment and provides scale display. The application can simplify an operation process, improve production efficiency, enhance structural flexibility, reduce the dependence on mold precision, meet the efficient, flexible and accurate requirements of modern shoe production, and provide a new idea for the progress of the industry technology.