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48results about How to "Avoid sliding teeth" patented technology

Automatic screw locking elastic mechanism

The invention relates to an automatic screw locking elastic mechanism, of which a downward pushing cylinder is connected with a Z-axis moving mechanism; a spring mechanism is arranged on the Z-axis moving mechanism; an electronic screwdriver bit is arranged on the spring mechanism, the lower end of the electric screwdriver bit is connected with a screw chuck; the upper end of a support plate of the Z-axis moving mechanism is connected with a cylinder installation plate, and the lower end of the support plate is connected with a limit plate; a guide plate is arranged on the support plate; a guide sliding plate is arranged on the guide plate, a slide rail is arranged on the guide sliding plate, and a side block is arranged on the slide rail in a matched manner, a moving plate is fixedly connected with the slide block; the upper part of the moving plate is connected with a fixing plate through springs a and b, and the lower part of the moving plate is connected with a buffer plate; a blind hole is arranged in the moving plate, and a spring c is arranged in the blind hole; and a buffer limit pillar penetrates through the buffer plate, is inserted in the blind hole and is in contact with the spring c. Through the driving of the downward pushing cylinder, the electric screwdriver bit is driven to move downwards, meanwhile, a screw is driven to move downwards and to be rotatably attached on a product in a locked manner, the spring mechanism has a protective effect on the screw and the product, and the whole mechanism stably operates.
Owner:上海莘翔自动化科技有限公司

A printed board wedge locking device

The invention provides a printed board wedge locking device comprising a guide rail (1), a slider (2), a fixing block (3), a countersunk head hollow rivet (4), an extrusion block (5), a bolt (6), a spring (7) and a knob (8). One end of the guide rail (1) is fixed on the fixing block (3) through the countersunk head hollow rivet (4); the slider (2) and the extrusion block (5) are located in a guide groove the guide rail (1) and can move along the guide rail (1). The bolt (6) is fixed in a threaded hole (9) in one end of the guide rail (1) after penetrating through the knob (8), the extrusion block (5) and the spring (7) in turns. The knob (8) is matched with the bolt (6) through threads. When being rotated, the knob (8) can move axially along the bolt (6), extrude the extrusion block (5) and make the slider (2) protrude. The printed board wedge locking device is simple in structure, low in cost, light in weight, good in heat conduction and electric conduction effects and high in reliability.
Owner:CHENGDU LATEST ELECTRONICS TECH

Rear wheel camber angle adjusting device of automobile

The invention discloses a rear wheel camber angle adjusting device of an automobile. The rear wheel camber angle adjusting device includes an eccentric bolt, an elastic sleeve, an eccentric spacer and a locknut. The eccentric bolt is sleeved with the elastic sleeve which is positioned among the eccentric bolt, a lower swing arm installing head and a lower swing arm mounting rack, an axial through groove is arranged on the elastic sleeve, the locknut is screwed up to compel the two ends of the elastic sleeve to shrink to the middle, and the axial through hole extends outwards along the radial direction due to the axial pressing force, namely the elastic sleeve expands in radial direction so as to compensate assembling clearances among the eccentric bolt, the lower swing arm installing head and the lower swing arm mounting rack, the eccentric bolt is prevented from shaking in a lower swing arm and a rear subframe, and the locknut is prevented from being deflected on the eccentric bolt by the shake, the screw loose of the eccentric bolt is reduced, and the service life of the eccentric bolt is improved, and meanwhile the rear wheel camber angle is accurately positioned b the eccentric bolt, and the safety performance of the automobile is improved.
Owner:CHERY AUTOMOBILE CO LTD

Hydraulic pump and assembly machine thereof

InactiveCN111283422AIncrease success rateMaintain Preload ConsistencyAssembly machinesHydraulic pumpEngineering
The invention relates to the field of hydraulic pumps. An assembly machine of a hydraulic pump comprises a rack, a rotary jig device, a pump cover feeding device, a screw locking device and a sealingdetection device, wherein the rotary jig device, the pump cover feeding device, the screw locking device and the sealing detection device are arranged on the rack, the rotary jig device is arranged atthe center of the rack, the pump cover feeding device, the screw locking device and the sealing detection device respectively correspond to one station of the rotary jig device, four stations are arranged on the jig device, and a loading and unloading conveying device is arranged at the remaining station. The assembly machine of the hydraulic pump has the advantages of high hydraulic pump assembly precision and high jig circulation efficiency, high pump cover assembly precision, accurate separation and transportation of pump covers and accurate sealing detection.
Owner:王加县

Rotary jig device of hydraulic pump assembly machine and jig rotating method

The invention relates to the field of hydraulic pumps. A rotary jig device of a hydraulic pump assembly machine comprises a divider, a turntable, jig assemblies, a correction assembly, a laser assembly and a pressing assembly; the divider is mounted on a rack, the center of the turntable is mounted on an output shaft of the divider, and the jig assemblies are mounted on the turntable and correspond to four stations, namely a pump cover feeding station, a pump cover locking station, a detection station and a feeding and discharging station respectively; and the correction assembly and the laserassembly correspond to the feeding station, and the pressing assembly corresponds to the pump cover locking station. The rotary jig device of the hydraulic pump assembly machine has the advantages ofhigh hydraulic pump assembly precision, good stability and high jig circulation efficiency.
Owner:王加县

Connecting structure for aluminum alloy pipes and self-locking bend device

The invention discloses a connecting structure for aluminum alloy pipes and a self-locking bend device. The connecting structure comprises the first aluminum alloy pipe, the second aluminum alloy pipe and the self-locking bend device. The self-locking bend device comprises a first bend and a second bend. The first bend comprises a first body and a first pipe joint. The second bend comprises a second body and a second pipe joint arranged on one side of the second body. The first body and the second body are in butt connection. The first pipe joint is sleeved with the first aluminum alloy pipe. A first cylindrical pin is inserted into the overlapped position of the first aluminum alloy pipe and the first pipe joint. The two ends of the first cylindrical pin are welded to the first aluminum alloy pipe. The second pipe joint is sleeved with the second aluminum alloy pipe. A second cylindrical pin is inserted into the overlapped position of the second aluminum alloy pipe and the second pipe joint. The two ends of the second cylindrical pin are welded to the second aluminum alloy pipe. The connection strength between the aluminum alloy pipe and the pipe joints is greatly improved.
Owner:苏州市智永亿精密五金有限公司

A molded case circuit breaker installation equipment

The invention relates to a molded case circuit breaker installation device. The device comprises a clamping seat and a supporting seat, wherein clamping grooves are formed in the bottom surface of the clamping seat and the top surface of the supporting seat; the clamping groove are used for clamping a circuit breaker, and a pushing cylinder is arranged on the top surface of the clamping seat; the pushing cylinder is fixed on a transverse plate; a positioning buffer mechanism is arranged between the clamping seat and the supporting seat; a guide sleeve is arranged on the top surface of the clamping seat, the top end of the guide sleeve adopts a conical structure, the bottom end of the conical structure adopts circular arc transition, and the guide sleeve is used for guiding an electric screwdriver; a rotary supporting mechanism is arranged in the guide sleeve, and a protection mechanism and a supporting mechanism are arranged at the bottom in the guide sleeve. The device avoids the screw driving deflection, protects the shell of the circuit breaker, and eliminates the safety risk; the device achieves the buffering of an electric screw driver, and also has a limiting function; the device avoids the screw thread slipping when the electric screw driver is pressed too much, thereby protecting the shell of the circuit breaker, and reducing the production cost.
Owner:泰州亿丰达电器有限公司

Motor front cover with hanging right support installation structure

The invention discloses a motor front cover with a hanging right support installation structure. The motor front cover with the hanging right support installation structure comprises a motor front cover body and a right support installation platform which is arranged on the exterior side of the motor front cover body; a hanging bolt installation hole is formed in a supporting boss; a first reinforcing rib and a second reinforcing rib are arranged above a root portion which connects the right support installation platform and the motor front cover body; a third reinforcing rib is arranged under the root portion which connects the right support installation platform and the motor front cover body; an included angle beta which is formed between a right support installation surface of the right support installation platform and the motor front cover body is from 90.3 to 90.5 degrees. The motor front cover with the hanging right support installation structure has the advantages of being good in assembling manufacturability and high in intensity, improving reliability of connection between an integral vehicle and a power assembly and prolonging the service life of the motor and the integral vehicle.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Drainage structure of airplane cabin door

The invention provides a drainage structure of an airplane cabin door. The drainage structure comprises a drainage bottom tank, a water retaining bar, a drainage tube and a check valve, wherein the drainage bottom tank comprises a tank base as well as a water collecting tank, a drive chamber and a water retaining tank which are arranged in the length direction of the tank base; a tapered hole is formed in the bottom of the water collecting tank; the drainage tube is fixedly connected with the bottom of the tapered hole; the check valve is connected in series onto the drainage pipe. According to the drainage structure of the airplane cabin door, complete sealing can be realized when the tapered hole is plugged by a tapered seal head, automatic seal is realized when the cabin door is closed, normal air pressure is ensured,and safe take-off is guaranteed; when the airplane cabin door is opened, drainage is realized automatically, and water droplets at the edge of the cabin door are also blocked under the action of the water retaining bar, and water cannot be accumulated.
Owner:NANJING VOCATIONAL UNIV OF IND TECH

High-strength corrosion-resistant plastic screw

The invention discloses a high-strength corrosion-resistant plastic screw. The screw comprises a screw rod, a screw head integrally connected with one end of the screw rod, and a locking disc head arranged at the other end of the screw rod in a sleeving mode, wherein an external thread structure is integrally machined on the screw rod, and the screw rod, the screw head and the locking disc head are all made of high-strength corrosion-resistant plastic. The high-strength corrosion-resistant plastic comprises the following raw materials of, by weight, 58%-62% of PA6, 25%-28% of glass fiber, 8%-12% of nano silicon dioxide and 4%-8% of nano aluminum oxide. According to the high-strength corrosion-resistant plastic screw, through the above mode, the screw rod, the screw head and the locking disc head are all made of the high-strength corrosion-resistant plastic with an excellent formula, and have excellent strength and corrosion resistance, and the phenomena of screw loose and breaking in the using process of the screw are avoided.
Owner:苏州华丰不锈钢紧固件有限公司

Oil discharge valve of engine sump and control circuit of oil discharge valve

The invention provides an oil discharge valve of an engine sump and a control circuit of the oil discharge valve, and belongs to the technical field of valves and electric control circuits thereof. By the oil discharge valve of the engine sump, oil can be discharged from the engine sump conveniently and controllably. An oil inlet is formed in the outer side of the top of a valve body; an oil channel is formed in the valve body; an oil discharge opening is formed in an outlet of the oil channel; a valve element chamber is formed in a position perpendicular to the axis direction of the oil channel; a valve element is arranged in the valve element cavity; a mounting blind hole is formed in one side, which is close to the end surface of the front of the valve element, of the side wall of the valve body; a motor with a speed reducer is arranged outside the valve body; a lead screw is fixedly arranged on an output shaft of the motor with the speed reducer; an end of the output shaft of the motor with the speed reducer penetrates through the valve element chamber and is inserted in the mounting blind hole; the lead screw is in threaded connection with an inner threaded hole formed in the valve element; and the lead screw drives the valve element to horizontally move in the valve body in a reciprocating manner. The control circuit controls the motor to drive the valve element to move in the valve body, so that oil can be discharged from the engine sump conveniently, quickly and controllably.
Owner:上海轩维汽配制造有限公司

Three-way electricity guard wall structure and manufacturing method thereof

ActiveCN102192598BUniform thicknessGuaranteed absolute water resistanceFluid heatersElectricityWater flow
The invention discloses a three-way electricity guard wall structure for a water heater. The structure comprises a first water pipe and a second water pipe which are integrated respectively, wherein the pipe walls of the water pipes are made of insulating materials; a grounding copper pipe connected with a ground wire is sleeved in the left side of the first water pipe; the second water pipe is sleeved in the grounding copper pipe; the first water pipe is longer than the second water pipe; the grounding copper pipe is provided with an exceeding section exceeding the second water pipe at the right end of the second water pipe, and the exceeding section divides the first water pipe into a first part at the left side of the exceeding section and a second part at the right side of the exceeding section; the exceeding section is contacted with the water flow only at the exceeding section; and because of the lengths of the first water pipe and the second water pipe, the intensity of the current after passing through the second part of the first water pipe and the intensity of the current after passing through the second water pipe are less than 5mA. Moreover, the invention also discloses a manufacturing method of the three-way electricity guard wall. Good insulating performance and grounding performance of the grounding copper pipe are ensured by uniform injection molding, smoothness of the water flow pipes is ensured, and the water flow of the inner pipe is improved.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Inertia locking mechanism for seat

The invention discloses an inertia locking mechanism for a seat. The inertia locking mechanism is characterized by comprising an inertia locking mechanism body which is used in a combined structure of a rotating part and a fixed part in the seat, wherein the rotating part is hinged to the fixed part; the inertia locking mechanism body is installed on the fixed part. During collision, the inertia locking mechanism body locks up the rotating part by the aid of inertia, and on normal condition, the inertia locking mechanism body does not lock up the rotating part without affecting rotation of the rotating part. The inertia locking mechanism can solve the problem that the one-sided medium and low strength angle-adjuster seat is insufficient in strength in front-back collision test, a stop piece cannot interfere turnover and use of the seat in the normal use process, and the inertia retaining piece cannot cause shaking and abnormal noise. The cost of the inertia locking mechanism is only 25%-30% of that of the conventional scheme.
Owner:YANFENG ADIENT (SHENYANG) SEATING CO LTD

A shock-resistant anti-theft bottle cap

An anti-impact theftproof bottle cap comprises a bottle cap body (1) provided with internal threads, a safety ring belt (2), and an annular theftproof surrounding (4) that are subjected to integral injection molding. A ring kerf (3) is disposed between the bottle cap body (1) and the safety ring belt (2). The ring kerf (3) is provided with a plurality of connecting bridges (31) at equal intervals. The annular theftproof surrounding (4) is reversibly connected to the edge of the safety ring belt (2). The annular theftproof surrounding (4) forms a flange in the inner side of the safety ring belt (2), and the annular theftproof surrounding (4) is connected to the safety ring belt (2) in an obtuse angle manner. An inner ring of the annular theftproof surrounding (4) is close to the center line of the bottle cap, and an outer ring of the annular theftproof surrounding (4) is connected to the safety ring belt (2). Wedge-shaped lugs (41) that are distributed in a spaced manner are formed in the surface of the annular theftproof surrounding (4) away from the inner cavity of the bottle cap. A thin-wall portion (42) is formed between the two adjacent wedge-shaped lugs (41). The wedge-shaped lugs (41) are of a wedge-shaped protrusion structure. The high end of the wedge-shaped lug structure is close to the inner ring, and the low end of the wedge-shaped lug structure is close to the outer ring. The bottle cap can bear the upward stamping force from the interior of a bottle and prevent the bottle cap from being loosened, and has good anti-stamping performance and theftproof performance.
Owner:QUANZHOU HUASHUO IND

Double optical filter switcher without wire connection

A double optical filter switcher without wire connection comprises a bottom shell, one end of the bottom shell is rotatably connected with a rocking handle, one end, close to the bottom shell, of the rocking handle is adhered with a magnet through glue, a surface cover is inserted into the top of the bottom shell, copper nuts are integrally injection-molded at the two ends of the surface cover, and the surface cover is divided into a thread part and a base part; the screw thread part and the base part are integrally formed in an injection molding mode, L-shaped grooves are formed in the top of the face cover, the number of the L-shaped grooves is two, the ends, penetrating through the L-shaped grooves, of the guide pins are welded to the copper nuts, and fixing glue adheres to the exposed positions of the guide pins. The circuit of the switcher is sealed in the internal space, so that short circuit caused by contact with the outside is reduced, and the problem of poor open circuit caused by scratching and pulling is effectively avoided; and the thread part of the surface cover and the base are integrated, so that the perpendicularity during product assembly is ensured, and meanwhile, the light leakage phenomenon caused by product assembly gaps can be effectively avoided.
Owner:深圳市臻荣电子有限公司

Automatic screw locking elastic mechanism

The invention relates to an automatic screw locking elastic mechanism, of which a downward pushing cylinder is connected with a Z-axis moving mechanism; a spring mechanism is arranged on the Z-axis moving mechanism; an electronic screwdriver bit is arranged on the spring mechanism, the lower end of the electric screwdriver bit is connected with a screw chuck; the upper end of a support plate of the Z-axis moving mechanism is connected with a cylinder installation plate, and the lower end of the support plate is connected with a limit plate; a guide plate is arranged on the support plate; a guide sliding plate is arranged on the guide plate, a slide rail is arranged on the guide sliding plate, and a side block is arranged on the slide rail in a matched manner, a moving plate is fixedly connected with the slide block; the upper part of the moving plate is connected with a fixing plate through springs a and b, and the lower part of the moving plate is connected with a buffer plate; a blind hole is arranged in the moving plate, and a spring c is arranged in the blind hole; and a buffer limit pillar penetrates through the buffer plate, is inserted in the blind hole and is in contact with the spring c. Through the driving of the downward pushing cylinder, the electric screwdriver bit is driven to move downwards, meanwhile, a screw is driven to move downwards and to be rotatably attached on a product in a locked manner, the spring mechanism has a protective effect on the screw and the product, and the whole mechanism stably operates.
Owner:上海莘翔自动化科技有限公司

Tool clamp suitable for assembling batteries of various specifications

InactiveCN113664758AQuick clamping workAlways observe the degree of clampingHybrid vehiclesWork holdersGear wheelElectric machinery
The invention discloses a tool clamp suitable for assembling batteries of various specifications, and relates to the technical field of battery related machining auxiliary equipment. The tool clamp comprises a machining plate and two low arc plates, clamping plates are arranged on the left and right portions of the upper end of the machining plate, the low arc plates are located between the two clamping plates, I-shaped frames are fixed to the lower ends of the clamping plates, connecting plates are fixed to the middles of the lower ends of the I-shaped frames, and progressive toothed plates are arranged on one sides of the connecting plates. A motor is fixed into a mounting frame, a main gear is fixed to the rotating shaft end of the motor, moving plates are fixed to the positions, corresponding to movable openings, of the lower side of the low arc plates, and height limiting arc plates are arranged on the side walls, in the opposite directions, of the two clamping plates. According to the tool clamp suitable for assembling the batteries of various specifications, the motor sequentially drives the main gear, the progressive toothed plates and the clamping plates to move, the working efficiency of clamping the batteries is reduced, and meanwhile, the height of the batteries of different specifications is effectively limited through movable adjustment of the low arc plates and a height limiting arc plate.
Owner:江苏戴宏机电科技有限公司

Self-tapping method for machine screw and self-tapping pre-manufactured hole of machine screw

ActiveCN106224909AGuaranteed number of engagementsAvoid sliding teethRoad vehiclesLight fasteningsEngineeringMachine
The invention provides a self-tapping method of a machine screw. The method includes the step that a pre-manufactured hole is pre-formed before tapping of the machine screw, and is characterized in that a four-section structure is formed in the periphery of the hole inner wall of the pre-manufactured hole, thus, the quantity of tooth engagement can be guaranteed while tapping resistance of the machine screw is reduced, and tooth screw looseness is avoided.
Owner:HASCO VISION TECHNOLOGY CO LTD

An auxiliary device for crimping and piercing pipes for overhead transmission lines

The invention discloses an auxiliary device for crimping and piercing pipes of overhead power transmission lines. A symmetrically arranged first column is arranged in the middle of the base, a second column is arranged on one side of the first column, and a first support arm is arranged on one side of a slider; One side of the tool is provided with a first sleeve, and one end of the first sleeve is installed inside the connecting ring; the clamping device includes a double-ended stud whose two ends rotate in opposite directions, a first ratchet fixedly installed in the middle of the double-ended stud, The first pawl installed on one side of the first ratchet and the wrench installed on one side of the first pawl, the middle part of the double-ended stud is movably installed on the upper end of the first column, and the two ends of the double-ended stud are threadedly connected with the slider . When the present invention is used, the aluminum stranded wire is clamped inside the clamps on both sides, the connecting pipe is arranged between the aluminum stranded wires on both sides, and the wrench is pressed to make the double-ended stud drive the clamp to slide to the middle, so that the aluminum stranded The wires are threaded into the splicing tube symmetrically, which improves the efficiency of wire crimping and ensures the accuracy of the aluminum stranded wire passing through the tube.
Owner:国网山东省电力公司建设公司 +2

Clamping and fixing device for automobile welding

The invention discloses a clamping and fixing device for automobile welding, and belongs to the technical field of automobiles. The clamping and fixing device comprises a protection box, wherein a first support plate is fixedly connected between the left and right inner walls of the protection box, a forward and reverse rotation motor is fixedly connected to the lower interior of the protection box, a first mounting hole is formed in the lower end of the first support plate, the output end of the forward and reverse rotation motor movably penetrates through the first mounting hole, the outputend of the forward and reverse rotation motor is fixedly connected with a worm, a threaded rod is rotatably connected between the left and right inner walls of the protection box, a worm gear is fixedly connected to the surface of the threaded rod, and the worm is meshed with the worm gear; and the threaded rod is located at the upper part of the first support plate, the surface of the threaded rod is in threaded connection with two nuts, and the upper ends of the two nuts are fixedly connected with connecting rods. Finally an automobile part to be welded can be clamped by two clamping platesthrough a simple transmission structure, so that the welding efficiency of workers is improved, and the working efficiency is further improved.
Owner:HEFEI CHANGQING MACHINERY
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