39results about How to "Realize positioning connection" patented technology

The invention discloses a low-cost large-current clip terminal for an electric connector. The low-cost large-current clip terminal comprises a terminal body and an elastic clip. The elastic clip comprises a connecting piece and two clamping pieces, wherein the connecting piece has high conductivity and elasticity and is integrally formed, the two clamping pieces are oppositely arranged, and the common end of the two clamping pieces is integrally connected with the connecting piece. The terminal body comprises a conductive plate and two clip opening pieces, wherein the conductive plate has high conductivity and is integrally formed, the two clip opening pieces are oppositely arranged, and one end of one clip opening piece is integrally connected with the conductive plate. The elastic clip is arranged between the two clip opening pieces in a located and sleeved mode. The connecting piece faces the conductive plate and is attached to the clip opening pieces. The two clamping pieces can elastically clamp metal inserts to be connected. According to the low-cost large-current clip terminal, an integrated structure with only one clamping point is replaced by the clip structure with multiple contacts, the connection reliability of the clip terminal can be effectively improved, the size of the elastic contact part of the clip terminal can be decreased, and therefore the consumption of high-conductivity elastic copper materials and the production cost can be lowered.

The invention discloses a machining fixture with adjustable direction, which comprises a machine tool body, a clamp body is arranged on the upper side of the machine tool body, and one end of a spindle is connected to the side of the clamp body close to the machine tool body. The other end extends to the inside of the main body of the machine tool and is connected to the main body of the machine tool through a bearing. A worm gear is provided in the middle of the main shaft, and a worm is connected to the side of the main body of the machine tool close to the worm wheel through a bearing, and the worm is connected with the worm gear. , one end of the worm extends to the outside of the main body of the machine tool and is connected with a runner, the adjustment of the angle direction of the chuck body can be realized through the runner, worm, main shaft and worm wheel, the arc-shaped fixing plate has a rectangular positioning groove, an arc-shaped positioning groove and The rectangular fixed plate can be applied to the situation where the workpiece clamping reference plane is different, and the fixed anti-skid plate and the positioning ring boss can realize the positioning connection between the clamping body and the main body of the machine tool.

The invention discloses a heat exchanger structure. The heat exchanger structure comprises fins and a flat pipe connected with the fins in a locating manner, wherein grooves are concavely formed inwards on two side surfaces of the flat pipe and extend along the length direction of the flat pipe. The invention also discloses an assembly process of the heat exchanger structure, comprising the following steps of: (1) sequentially piling and fixing the fins; (2) embedding a lug boss of a welding material sheet into each groove in a matching manner, and connecting the welding material sheet and the flat pipe in the locating manner; (3) locating the flat pipe connected with the welding material sheet in the locating manner and the fins; and (4) placing the flat pipe and the fins in a brazing furnace to weld. By using the heat exchanger structure and the assembly process thereof, the welding material uniformity is improved, a connecting region is beneficially formed by the welding material around a contact point of the fins and the flat pipe, the welding strength is improved, and because the grooves are arranged in the middle of the flat pipe, the density of microchannels in the center of the flat pipe is reduced, the phenomenon, such as freezing and the like caused by too low temperature in the center is improved, the pipeline groove radius can be correspondingly increased while the welding quality is ensured, and a flanging height is beneficially designed.

The invention belongs to the underground engineering construction technology field, and particularly relates to a fabricated structure side wall prefabricated member. The fabricated structure side wall prefabricated member comprises a side wall prefabricated member body, wherein a support face is arranged at the top of the side wall prefabricated member body, a first connection piece with at leasta part embedded in the side wall prefabricated member body is arranged on the support face, and the first connection piece comprises first connection plates used for connecting with an arced plate ina positioning mode. The invention further provides a connection structure of the fabricated structure side wall prefabricated member and the arched plate. The connection structure comprises the arched plate and the above side wall prefabricated member, wherein an arc-shaped prefabricated member is supported on the side wall prefabricated member, the arc-shaped prefabricated member and the side wall prefabricated member body are connected through a cast-in-place structure, a second connection piece is arranged at one end of the arc-shaped prefabricated member, and the second connection piece is connected with the first connection plates in the positioning mode. The first connection plates on the fabricated structure side wall prefabricated member and second connection plates on the arc-shaped plate are connected in the positioning mode, and the arc-shaped prefabricated member and the side wall prefabricated member body are connected through the cast-in-place structure, and then a three-hinged arch structure is formed, and furthermore realization of underground column-free vault large space effect is facilitated.

The invention discloses a mounting structure for frictional wear test for a valve mechanism of an engine. The mounting structure mainly comprises parts including a valve (1), a seat ring (2), a guide tube (3), a spring (4), a lock clamp (5), an inner spring seat (6), an outer spring seat (7), an upper mounting disc (8), a lower mounting disc (9), a support box (10) and the like. The valve (1) and the seat ring (2) are main assessment test samples for the test, the lock clamp (5) is the part for matching the valve (1) with the seat ring (2), the upper mounting disc (8), the lower mounting disc (9) and the outer spring seat (7) are reusable main parts of the mounting structure, and the guide tube (3) and the inner spring seat (6) are transitional connectors for fittingly mounting the gas valve and the seat ring with the main parts. The mounting structure is a combined type structure and is easy to process; coaxiality of the guide tube and a seat ring hole is high; and the mounting structure is convenient and speedy to assemble and disassemble and high in universality, and can be used for valve-seat ring tests in multiple schemes.

The invention discloses a low-cost, high-current clip terminal for an electrical connector, which includes a terminal body and an elastic clip, and the elastic clip includes an integrally formed connecting piece with high electrical conductivity and elasticity and two opposing clamping pieces , the two clamping pieces are integrally connected to the connecting piece at the same end, the terminal body includes an integrally formed conductive plate with high conductivity and two oppositely disposed jaw pieces, one end of one of the jaw pieces is integrally connected to the conductive plate; The elastic clamping piece is positioned and sleeved between the two clamping pieces, the connecting piece faces the conductive plate and closely contacts the clamping piece, and the two clamping pieces can elastically clamp the metal insert to be connected. The present invention changes the integral structure with only one clamping point, and forms a multi-point contact clip structure, which can effectively improve the connection reliability of the clip terminal, and can reduce the size of the elastic contact part of the clip terminal, thereby reducing the The consumption of highly elastic copper materials saves production costs.

The invention discloses a deceleration device for a pumping unit with a safety protection function, which relates to the technical field of oil pumping equipment for petrochemical industry, and includes a casing. The internal rotation of the casing is provided with a deceleration shaft. Rotate, the second transmission wheel on one surface of the transmission shaft and the first transmission wheel rotate synchronously, drive the brake protection wheel to rotate inside the casing, and use the mutual meshing between the brake protection wheel and the third transmission wheel , realize the rotation of the third transmission wheel inside the casing, the reduction gear outputs the rotation of the reduction shaft, and utilize the mutual cooperation between the first transmission wheel, the second transmission wheel, the third transmission wheel and the brake protection wheel, Complete the multi-stage gear coordination transmission, realize the change of the motor speed and torque, effectively improve the efficiency of the motor, and can obtain a larger torque with a smaller power consumption, reducing the energy consumption of the pumping unit during use .

The invention provides a vehicle body end fixing structure for a vehicle body suspension and a vehicle having the same, including a suspension point mounting bracket for connecting with the vehicle body suspension and a suspension point positioning plate for connecting with the vehicle body, wherein the suspension The point mounting bracket includes a bottom plate and a side plate extending upward from the periphery of the bottom plate, the side plate includes a first side plate and a second side plate arranged at intervals in the length direction of the vehicle body, and a third side plate arranged at intervals in the width direction of the vehicle body With the fourth side plate, the mounting bracket of the suspension point is provided with a hole extending downward from the middle of the top surface of the first side plate and the second side plate and extending to the fourth side plate at a position close to the bottom plate and passing through the fourth side plate. The avoidance opening is provided with a through hole for the suspension bolts in the suspension of the vehicle body to pass through on the base plate, and the suspension point positioning plate is attached to the first side plate and fixed with the first side plate. The vehicle body end fixing structure of the vehicle body suspension of the present invention is simple and has sufficient structural strength, and is beneficial to the weight reduction of the vehicle.

The invention provides a mounting assembly of a compressor and a clothes treatment device. The mounting assembly of the compressor comprises a base and a switching part, wherein the base is arranged at the bottom of the compressor; the switching part is fixedly connected with a fixing seat of the compressor; when the bottom of the compressor is detachably connected to the switching part, the compressor is mounted at the fixing seat of the compressor. By means of the technical scheme, an existing fixed connection mode adopting nuts and gaskets is replaced, the assembling efficiency is greatly improved, and the abnormal risk caused by nut loosening due to running of the compressor can be prevented.

The invention relates to the technical field of diesel engines, in particular to a looseness preventing diesel tank of a diesel engine. The looseness preventing diesel tank comprises an upper tank body, a lower tank body, an upper connecting edge, a lower connecting edge, a diesel inlet and a diesel outlet, wherein a positioning plate is arranged on the upper tank body. The positioning plate made of an elastic metal material is arranged on the upper tank body, so that the positioning connection is realized, the looseness is effectively prevented, the assembly difficulty is largely reduced, the manpower and the material are decreased, the whole strength of the diesel tank is largely enhanced, and the normal operation of the diesel engine is guaranteed.

The embodiments of the present application provide a microfluidic device, a stirring system and a stirring method, which relate to the field of biotechnology, have a simple structure, are easy to manufacture, and can prevent cross-contamination of liquids in the microfluidic device. The above-mentioned microfluidic device includes a microfluidic chip, a stirring cavity, a first cover plate and a stirrer. The microfluidic chip includes at least two inflow microchannels and at least one outflow microchannel. The stirring cavity includes a stirring cavity for accommodating the liquid to be stirred, and the stirring cavity has a first opening and a liquid inlet and outlet that are oppositely arranged, and the liquid inlet and outlet are communicated with at least two inflow microchannels and at least one outflow microchannel. The first cover plate covers the first opening and is connected with the stirring cavity, and the first cover plate is provided with a first installation hole. The agitator includes a blade and a connecting piece. The blade is arranged in the stirring cavity and is connected with the first end of the connecting piece. The second end of the connecting piece passes through the first installation hole and is detachably connected with the driving device. The driving device is used for driving connection. Pieces rotate.

The invention discloses a probe module interval rapid adjusting mechanism and a formation needle bed, and the probe module interval rapid adjusting mechanism comprises an upper layer frame, a probe fixing frame, a pressing assembly and a positioning and adjusting tool. An upper guide rail and an installation frame are separately arranged on the two opposite sides of the upper layer frame, and theinstallation frame is provided with a through groove arranged in the same direction as the upper guide rail; two ends of the probe fixing frame are respectively connected to the corresponding upper guide rails in a sliding manner; the pressing assembly comprises an ejector rod movably mounted on the probe fixing frame and in the through groove in a sliding manner, a pressing plate which is connected to the periphery of the ejector rod and located between the installation frame and the probe fixing frame, and an elastic piece which sleeves the ejector, is elastically supported between the pressing plate and the installation frame, and drives the pressing plate to press the probe fixing frame through an elastic force so that the probe fixing frame can be locked on the upper layer frame; andthe positioning and adjusting tool jacks up the ejector rod under the effect of a jacking mechanism, so that the probe fixing frame is in an unlocked state capable of freely sliding in the through groove. The formation needle bed can adjust the positions of multiple groups of probe fixing frames at the same time, and has the advantages of high adjusting efficiency and low labor intensity.

The invention discloses box-type ecological building blocks used for ecologically protecting a slope. The box-type ecological building blocks comprise building block single bodies. A packing groove is formed in the center of each building block single body. The four inner side faces of each packing groove are all provided with water through grooves. Circular-arc steps are evenly arranged at the corners of each packing groove from top to bottom. Guiding sliding grooves are formed in the two side edges of the top face of each building block single body. Limiting protrusions are arranged on the two side edges of the bottom face of each building block single body. A rectangular limiting groove is formed in one side of each building block single body, and a rectangular clamping block is arranged on the other side of the corresponding building block single body. Every two adjacent building block single bodies are fixedly connected through connecting pipes. The box-type ecological building blocks are simple in structure and high in practicability. The slope protection function of existing ecological building blocks is achieved, and water flow can also be maintained in a flowing state, so that scour of the water flow to the building blocks is reduced and the overall stability and strength are improved. Meanwhile, usage quantities of materials are reduced, and the weight of each building block single body is reduced, so that transportation is facilitated, the manufacturing cost is reduced and the economic benefits are remarkable.

The invention relates to a foldable baby stroller. The foldable baby stroller comprises an upper push rod, a lower push rod, a front wheel support, a rear wheel support, a front wheel support connecting rod and a rear wheel support connecting rod; the upper push rod and the lower push rod are connected by virtue of a buckle structure, and the buckle structure is provided with a buckle button; the lower push rod and the rear wheel support are connected by virtue of a movable connecting structure; the movable connecting structure consists of a steel wire, a snap key and a snap key panel; the steel wire is arranged in the lower push rod; the snap key is provided with a positioning pin, a movable pin and a snap key bulge; the snap key panel is provided with a positioning hole, a clamping groove, a movable track and a raised track; and the snap key positioning pin is matched with the positioning hole to connect the snap key onto the snap key panel.

The invention discloses a positioning structure for a contact plate group in a fixed contact of a circuit breaker. The positioning structure comprises contact plates. Conductive plates used for conduction are arranged in the contact plates. A plurality of contact plates are horizontally laminated to form the contact plate group which is fixedly arranged in a contact holder of the fixed contact. The positioning structure further comprises cover plates. Each cover plate has a shape in fit with that of the contact plate, and is arranged between two adjacent contact plates. The two sides of the cover plate are provided a positioning pin respectively. Positioning holes in fit with the positioning pins are formed at the positions, corresponding to the positioning pins on the cover plates, of the contact plates, and are formed on the two sides of each contact plate. Due to the adoption of the structure, the contact plate group in the fixed contact of the circuit breaker can realize positioning connection among the contact plates by the positioning pins on the cover plates between every adjacent two of the plurality of contact plates forming the contact plate group and the positioning holes at corresponding positions on the contact plates, avoids sliding displacement among the contact plates, ensures connection stability and reliability in the working of the circuit breaker and simultaneously brings convenience to the assembly and mounting of the fixed contact.

The embodiment of the invention provides a microfluidic device, a stirring system and a stirring method, relates to the technical field of biology, and is simple in structure, easy to manufacture and capable of preventing cross contamination of liquid in the microfluidic device. The microfluidic device comprises a microfluidic chip, a stirring cavity, a first cover plate and a stirrer. The micro-fluidic chip comprises at least two inflow micro-channels and at least one outflow micro-channel. The stirring cavity comprises a stirring cavity used for containing liquid to be stirred, the stirring cavity is provided with a first opening and a liquid inlet and outlet which are oppositely arranged, and the liquid inlet and outlet is communicated with the at least two inflow micro-channels and the at least one outflow micro-channel. The first cover plate covers the first opening and is connected with the stirring cavity, and a first mounting hole is formed in the first cover plate; the stirrer comprises a blade and a connecting piece, wherein the blade is arranged in the stirring cavity and connected with the first end of the connecting piece, the second end of the connecting piece penetrates through the first mounting hole and is detachably connected with the driving device, and the driving device is used for driving the connecting piece to rotate.

The invention provides a high-speed backboard connector with a locking function, which comprises a mainboard, a mainboard connector, a cable connector and a locking outer cover matched with the mainboard, the mainboard connector and the cable connector, wherein the mainboard connector is inserted into the mainboard; the locking outer cover is provided with an installation groove used for installing a mainboard connector, and the locking outer cover is further provided with a first elastic arm and a second elastic arm which are used for being matched with a cable connector. The connection of the mainboard, the mainboard connector and the cable connector is realized through the locking outer cover, and the locking of the mainboard, the mainboard connector and the cable connector is realized at the same time; the mainboard connector and the cable connector are positioned and connected through guide columns and guide holes; the mainboard connector is installed in the containing groove of the outer cover, meanwhile, the elastic arm is connected with the hanging table of the cable connector in a clamped mode, interlocking of the mainboard connector and the cable connector is achieved, and meanwhile disassembly is convenient.

The invention discloses a technological opening-closing bomb mould for explosive loading, and relates to a technological opening-closing bomb mould for explosive loading of a warhead. The mould is characterized in that the mould mainly comprises a mould body, wherein an opening is formed at one end of the mould body; a mould cavity is formed in the mould body; the mould body comprises a left half mould (1) and a right half mould (2) that are matched and movably connected with each other; each half mould is provided with a cavity (3); and the cavity (3) of the left half mould (1) and the cavity (3) of the right half mould (2) form the mould cavity together. The mound is simple in structure and low in cost; the warhead can be subjected mould opening, detection of the explosive loading quality of the warhead can be facilitated, and the mould is suitable for popularization and application.

The invention discloses a mounting structure for frictional wear test for a valve mechanism of an engine. The mounting structure mainly comprises parts including a valve (1), a seat ring (2), a guide tube (3), a spring (4), a lock clamp (5), an inner spring seat (6), an outer spring seat (7), an upper mounting disc (8), a lower mounting disc (9), a support box (10) and the like. The valve (1) and the seat ring (2) are main assessment test samples for the test, the lock clamp (5) is the part for matching the valve (1) with the seat ring (2), the upper mounting disc (8), the lower mounting disc (9) and the outer spring seat (7) are reusable main parts of the mounting structure, and the guide tube (3) and the inner spring seat (6) are transitional connectors for fittingly mounting the gas valve and the seat ring with the main parts. The mounting structure is a combined type structure and is easy to process; coaxiality of the guide tube and a seat ring hole is high; and the mounting structure is convenient and speedy to assemble and disassemble and high in universality, and can be used for valve-seat ring tests in multiple schemes.

The invention discloses a four-door universal tool for processing electrophoresis before coating. The tool comprises a connecting rod, positioning structures and a hooking and tensioning mechanism, wherein the positioning structures are arranged at the two ends of the connecting rod, and the hooking and tensioning mechanism can be deformed to form a tensioning force; and one end of the connectingrod is connected to a vehicle body in a hooked mode through the hooking and tensioning mechanism, and the other end is connected to a vehicle door in a positioning mode through a positioning structure. According to the tool, the vehicle door can be firmly connected to the vehicle body, so that the opening angle of the vehicle door and the vehicle body is guaranteed.