31results about How to "Easy to combine and assemble" patented technology

The invention discloses a water tank dish washing machine. Water tank body, wherein a washing tank for automatically washing tableware is arranged in the water tank body; a drainage connector is arranged at the bottom of the washing tank; the dish-washing machine is characterized by further comprising a dish-washing machine body, the dish-washing machine body comprises an impeller assembly, a transmission flywheel, a sewer pipe body and a driving device used for driving the transmission flywheel, the upper end of the sewer pipe body is used for being in butt joint with the lower end of a sewerconnector, and the transmission flywheel is arranged on the sewer pipe body in a sleeving mode and can rotate with the sewer pipe body as the axis. Through optimizing the design, the sewer connectorand the sewer pipe body are assembled and combined, and the automatic cleaning function can be achieved; particularly, the sewer pipe body is adopted as a core design, magnetic attraction is used fordriving the impeller assembly, and the impeller assembly can be conveniently combined with an existing water tank.

The invention discloses a combined urban road temporary billboard convenient to transport and convenient for adjusting the display content. The combined urban road temporary billboard comprises a base, a foldable supporting leg, a roller, an upper cover, a second announcement box and a fixed block, wherein the upper end of the base is fixedly provided with a first announcement box, the foldable supporting leg is mutually connected with a connecting member by virtue of a first rotating shaft, the roller is connected with a groove by virtue of a second rotating shaft, the upper cover is arrangedon the inner upper end of the first announcement box, the front side surface and the rear side surface of the box body are respectively fixedly provided with a concave screen, the inner side of a picture scroll is fixedly provided with a clamping member, and the front surface and the rear surface in the picture scroll are respectively fixedly provided with a display surface. By adopting the combined urban road temporary billboard convenient to transport and convenient for adjusting the display content, the display surface of the picture scroll in the announcement box can be set according to different road conditions, and the display surfaces can be conveniently switched, so that the manpower and the material resources can be greatly saved; and moreover, the combined urban road temporary billboard is convenient to combine and assemble, so that the visual confusion caused by stacking a plurality of billboards can be avoided.

The invention provides a method for constructing a concrete chimney cylinder body through a formwork lifting process, which belongs to the technical field of civil engineering construction. The main content of the method provided by the invention is as follows: manufacturing a formwork, mounting a steel pipe headframe and an operating platform, mounting a manual lifter, binding up with steel bars, fastening the formwork, building an inner liner and pouring concrete. The method provided by the invention is low in one-time investment, low in construction cost, easy for combination and assembly and relatively strong in adaptability, and can perform flexible adjustment according to the diameter of a silo of a chimney, realize convenience for combination, mounting and detachment, and improve quality and work efficiency; and furthermore, the construction height of the chimney can not be limited. As the formwork lifting construction operation of the chimney is discontinuous, the method is not affected by rain and snow weather and in line with the conventional operation habit. The method provided by the invention has the advantages of fast construction speed, good appearance quality of the cylinder wall, smooth surface of the cylinder body and no rubbing traces, tension fracture or other quality common faults during sliding formwork construction.

The invention discloses a polygonal counter flow cooling tower including the tower body which is made up of the body, the wind canister connected to the body top and the water storage basin connected to the body bottom. The wind canister is installed with the fan and the motor device. The tower body is set with the central throat and the water sowing device which the below is the filling. The tower body is the polygon prism structure connected by the glass fiber. The invention has changed the structure of the traditional cooling tower; such as it has save the steel shelf structure, so it can save much steel and bolt, screw. It has the low cost and simple assembly.

The invention discloses a soft package battery cell module. The soft package battery cell module comprises a soft package battery cell and also comprises a battery cell frame, wherein the battery cell frame sleeves the periphery of the soft package battery cell, and a cured fixing adhesive fills between the inner wall of the battery cell frame and the soft package battery cell. The invention also simultaneously discloses a fabrication method of the soft package battery cell module. In the soft package battery cell module, the soft package battery core and the battery core frame having a regular shape are combined to form the soft package battery cell module, the soft package battery cell module has unified size endowed by the battery cell frame, the soft package battery cell can be protected and strengthened by the battery cell frame and the fixing adhesive, so that a usage unit which is easy to assemble, combine, store and transport, has relatively high strength and is practical is obtained, the battery cell damage caused by the production and transportation process of the soft package battery cell is effectively solved, and the qualified rate and the finished rate of the battery cell are greatly improved; and moreover, full-automatic production of a power battery with the soft package battery cell is conveniently achieved, and the production efficiency can be substantially improved.

The invention provides a direct barrel type internal mould for building a heat insulation and heat preservation wall, mainly aiming at solving the technical problems that a cement precast thin wall pipe, used when the internal mould of the light separation wall is assembled by prior tubular columns, is crispy, difficult for transportation and complex to be mounted and fixed. The key points of the technical proposal are as follows: a hollow internal mould provided inside with a cavity is assembled by a groove-shaped internal mould shell block(1) and an external mould shell block(2). Or two or more than two hollow internal moulds assembled by the internal mould shell block(1) and the external mould shell block(2) are arranged longitudinally to form a wall internal mould. The hollow internal mould adopted in the invention can realize industrial production, and economically and conveniently realize long-distance transport; the wall built according to the method of the invention has the advantages of good wholeness, high strength, convenient construction, light wall weight and good sound insulation and heat insulation and heat preservation effects. The internal mould is mainly applied to the construction of architectural external walls or separation walls.

The invention discloses rapid battery assembling and welding equipment based on the new energy technology and a method thereof.The rapid battery assembling and welding equipment comprises a rack, a side plate is fixedly connected to the surface of one side of the rack, conveying rollers are rotatably mounted at the two ends of the surface of one side of the side plate, and a conveying belt is rotatably connected to the surfaces of the conveying rollers; batteries are arranged on the surface of one end of the conveying belt, a swing rod is hinged to the surface of the other end of the side plate, pressing rollers are rotationally installed on the surfaces of the two ends of the swing rod, pressing belts are rotationally installed on the surfaces of the pressing rollers, and a hinge rod is hinged to the surface of one end of the swing rod. An adjusting telescopic rod is hinged to one end of the hinge rod, the surface of the adjusting telescopic rod is fixedly connected to the surface of the side plate, transverse plates are slidably mounted on the surfaces of the two sides of the conveying belt, and a welding head is fixedly connected to the surface of one side of each transverse plate, so that the use convenience and stability can be greatly improved; and the safety and high efficiency of splicing and welding are ensured.

The invention discloses a fastening component which comprises a first buckle piece, a second buckle piece and an elastic device. The first buckle piece edge and the second buckle piece edge are respectively provided with a first notch and a second notch which are opposite to each other. The elastic device operates on at least one of the first buckle piece and the second buckle piece so that the first notch and the second notch close up to form a through hole. If an object that is larger than the through hole passes through the through hole, the object overcomes the elastic force of the elastic device to enable the first buckle piece and the second buckle piece to move in the opposite direction. The fastening component provided by the invention has the advantage that a fastened object can be more simply and conveniently assembled with the fastening component and is simply and conveniently pulled out. Due to two symmetrically arranged buckle pieces, pressure springs or spring pieces, the fastening component can be applied in the case of assembling a hanging sliding door.

The invention belongs to the technical field of LED electronic display screens, and particularly relates to a combined and assembled type LED electronic display screen. The combined and assembled typeLED electronic display screen is provided to aim at solving the problems that when an LED display screen in the prior art is in use, an assembly structure is complex, time and energy are wasted in operation, and combination and assembly for use are inconvenient. The combined and assembled type LED electronic display screen comprises a first screen body and a second screen body. A mounting grooveis formed in one side of the first screen body, and a mounting seat is fixedly mounted on one side of the second screen body. The mounting seat is movably mounted in the mounting groove. The two sidesof the mounting seat are both provided with clamping grooves, and the inner walls of the two sides of the mounting groove are both provided with first through grooves. One ends of first springs are fixedly mounted on the inner walls of both the sides, far away from each other, of the two first through grooves correspondingly, and clamping rods are fixedly mounted at both the ends, close to each other, of the two first springs correspondingly. The combined and assembled type LED electronic display screen is reasonable in structural design, easy to operate and convenient to use, and combinationand assembly of the LED electronic display screen are convenient.

The invention relates to a new energy wiring harness plugging structure, which comprises a male end and a female end which are correspondingly plugged and a connecting shell arranged between the male end and the female end, a pin and a plug bush are detachably connected in the male end and the female end respectively, and the pin and the plug bush are correspondingly plugged. Guide plates are in sliding connection with the male end and the female end correspondingly are arranged at two ends of the connecting shell. According to the invention, the connecting shell with the guide plates arranged at the two ends is adopted for further guiding the corresponding insertion connection of the male end and the female end, the overall matching reliability of the male end and the female end is improved, the shifting piece is positioned and hinged through the positioning pin, the two symmetrical shifting pieces at the end of the connecting shell are elastically tensioned through the spring, clamping grooves in the shifting pieces are matched with clamping teeth, the two shifting pieces close to the male end and the female end are connected with the male end and the female end respectively, then the male end and the female end which are matched in an inserted mode are fixed, and after the shifting pieces are shifted to compress the spring, matching of the clamping grooves and the clamping teeth is separated. Therefore, the male end and the female end can be fixed, and disassembly and assembly are more convenient.

The invention relates to a parquet combined floor and an assembly method thereof, and belongs to the technical field of building decoration. The combined floor comprises a parquet floor the periphery of which is provided with a tenon inserting edge, an edge enclosing plate, an edge enclosing groove, a transient strip and a T-shaped strip, wherein one side of the edge enclosing plate in the groove width direction is extended from the upper surface with a lapping eaves which is flush with the upper surface of the parquet floor, and the bottom of the edge enclosing plate is arranged in the edge enclosing groove; one side of the edge enclosing groove close to the parquet floor is extended with a flange; one side of the transient strip close to the parquet floor is extended with a transient edge matched with the tenon inserting edge of the parquet floor, and one side of the transient strip close to the edge enclosing groove is provided with a slot matched with the flange of the edge enclosing groove; and one side of the upper surface of the T-shaped strip far away from the parquet floor exceeds the edge of the edge enclosing groove. The parquet combined floor smartly solves the matching of a square parquet floor and a common strip floor, can conveniently realize suitable assembly of both, not only has the combination plane and beautiful, but also has firm and reliable positioning.

The invention relates to a combined structure of a rotating joint, in particular to a heat conducting pipeline rotating connection moving seal device of a drying cylinder in industries such as paper making, spinning, chemical fiber, and the like, belonging to the technical field of mechanical seal. The heat conducting pipeline rotating connection moving seal device mainly comprises a shell connection supporting structure, a tail cover and viewing mirror combined structure, an external seal-compensation combined structure, a sphere floating seal pair structure, a cantilever spacer air induction pipe and a fixed syphon tube combined structure, wherein the tail cover and viewing mirror combined structure is fastened on the tail end face of a shell; the external seal-compensation combined structure is fastened in a large end face positioning spigot of the shell; and the cantilever spacer air induction pipe and the fixed syphon tube combined structure are supported in the middle of the shell and fastened at the tail end of the shell. The cantilever spacer air induction pipe and the high-strength fixed syphon tube combined structure reduce the heat energy loss, improve the heat efficiency, lower the failure rate of a user transmission mechanism and the manufacture cost, are convenient for assembly, disassembly and maintenance, lighten the weight, improve the strength, and have good stability and prolong the service life.

The invention discloses a sunshade rotating mechanism. The sunshade rotating mechanism comprises a bottom plate, a supporting tube and an umbrella rod rotating control mechanism, wherein the bottom plate is fixed on a bracket, the supporting tube is welded to the center of the bottom plate, the umbrella rod rotating control mechanism penetrates through the supporting tube and is arranged on the bottom plate, the top end of the supporting tube is in sleeved connection with a plastic rotating sleeve group, an umbrella rod is in sleeved connection to the outside of the plastic rotating sleeve group and extends downward to the umbrella rod rotating control mechanism, and the umbrella rod and the plastic rotating sleeve group are locked through a locking mechanism. The sunshade rotating mechanism has the advantages that a fluted disc and a pipe fitting which are made from plastic materials are adopted, the weight of a base can be greatly reduced, the structure of the product are simplified,the production cost is reduced, the product is sold conveniently after being assembled, and the trouble that a user assembles the product is avoided.

The invention discloses an acoustic barrier easy to splice and used for a train track. The acoustic barrier comprises a splicing base and an acoustic barrier body, wherein the outer surface of the lower end of the splicing base is fixedly provided with threaded steel bars, the inner surface of the upper end of the splicing base is provided with a sliding groove, the side, close to the sliding groove, of the outer surface of the upper end of the splicing base is fixedly provided with a limiting block, a gasket II is fixedly installed on the inner surface of the inside of the splicing base, a gasket I is fixedly installed on the side, close to the gasket II, of the inner surface of the inside of the splicing base, a clamping groove II is formed in the lower portion, close to the gasket II, of the inner surface of the inside of the splicing base, and a clamping groove I is formed in the lower portion, close to the gasket I, of the inner surface of the inside of the splicing base. The acoustic barrier easy to splice and used for the train track is provided with the splicing base and an extensible plate so that the acoustic barrier can be spliced more quickly and conveniently and have acertain extension adjusting structure, and a better use prospect can be brought.

The invention provides a combined spliced door frame. A vertical pillar and a beam of the combined spliced door frame are each provided with steps corresponding to a door. The vertical pillar and the beam are each integrally formed through medal plates. The vertical pillar end of the vertical pillar and the beam end of the beam are spliced and combined, an inserting groove is formed in the low step of the vertical pillar end, and the high step of the vertical pillar end inwards retracts to form a first platform. A first inserting plate is arranged on the first platform in an extending mode, an inserting hole is formed in the high step of the beam end and matched with the first inserting plate in a corresponding mode, and the inserting hole is provided with an axial hole width for movement of the first inserting plate. The high step of the beam end is matched with the first platform in a corresponding mode, the low step of the beam end inwards retracts to form a second platform, and a second inserting plate is arranged on the second platform in an extending mode and matched with an inserting groove in a corresponding mode, and the second platform is matched with the low step of the vertical pillar end in a corresponding mode. Under the uncombined state, the vertical pillar and the beam are separated, conveying and moving are convenient, the more door frames are contained in the same space, the space is effectively utilized, and cost for conveying, storing and the like is reduced; and during crossed assembly combination, assembly is convenient, the structure is stable, and extra connecting pieces are not needed.

The invention discloses a polygonal counter-flow cooling tower, comprising a tower body, the tower body is composed of a tower body, an air duct connected to the upper part of the tower body, and a water storage basin connected to the bottom of the tower body; A fan and a motor device are installed, a central throat and a water spreading device connected to it are arranged in the tower body, and packing is arranged under the water spreading device; the tower body is a polygonal prism structure surrounded by glass fiber side plates. The notable feature of the present invention is that it changes the tower body structure of the traditional cooling tower, saves the steel frame structure in the original square counterflow cooling tower, and saves a lot of steel and connecting screws, screws and other parts. Not only the production cost is low, but also the assembly is simple and the transportation is convenient, which can greatly shorten the assembly time.

The invention relates to a thermal insulation supporting structure for a hoisting part of a low-temperature pipeline, which comprises a fixing belt, a hoisting ring and a plurality of supporting rods, wherein the fixing belt wraps the hoisting part of the pipeline to form an annular structure, the hoisting ring is arranged outside the fixing belt in a sleeving mode, the space between the hoisting ring and the fixing belt is filled with a thermal insulation layer, one ends of the plurality of supporting rods penetrate through the thermal insulation layer to be connected with the outer wall of the fixing belt and are evenly distributed to be of a radial structure, and the other ends of the supporting rods abut against and are fixed to the inner wall of the hoisting ring. According to the technical scheme, the thermal insulation layer arranged between the fixing belt and the hoisting ring can be prevented from being extruded, the protection effect on the thermal insulation layer is achieved, and the thermal insulation layer is prevented from being damaged due to extrusion friction between the lower portion of the pipeline and the hoisting ring.

The invention relates to the field of construction fences, and particularly relates to an assembly type building construction fence convenient to mount and dismount. The assembly type building construction fence comprises supporting plates, wherein the supporting plates are uniformly arranged, and the number of the supporting plates is set to be an odd number greater than 1; connecting supporting columns are movably connected to the inner parts of the supporting plates; an electric control telescopic rod is fixedly mounted on one side of each connecting supporting column; an elastic protective barrier plate is fixedly mounted on one side away from the corresponding supporting plate, of each electric control telescopic rod; a wind shield is fixedly mounted at the top of each connecting supporting column; a first fixed mounting column and a second fixed mounting column are fixedly mounted on two sides of each supporting plate; and a clamping block is fixedly mounted at one end away from the corresponding supporting plate, of each of the first fixed mounting columns and the second fixed mounting columns. The assembly type building construction fence disclosed by the invention is reasonable in design and ingenious in structure; through mutual cooperation of the structures, the assembly type building construction fence can be convenient to dismount, and has good resistance to wind power; and besides, the fence can be bent at a certain angle, and can be used for adjusting construction corners or when the length is too long.

The invention discloses a multi-stage filter separated type air filter. The multi-stage filter separated type air filter comprises an outer shell and a fine filtering assembly; the outer shell sequentially comprises an upper cover (3), a middle shell (7) and a lower shell (16); an air inlet pipe (6) is installed inside the middle shell; a primary rough filtering assembly (5) is installed at the upper end of the air inlet pipe; a dust accumulating cup (14) is installed between the upper cover and the middle shell and on the side of the primary rough filtering assembly; the fine filtering assembly is installed inside the middle shell and the lower shell and sleeves the lower end of the air inlet pipe; the middle shell is externally connected with an air outlet pipe; the upper cover is connected with the air inlet pipe through combination of a nut (1) and a bolt (26) and fixes the dust accumulating cup; and the middle shell and the lower shell are connected through a buckle assembly. Through the separated design of the outer shell, air sequentially passes through the primary rough filtering assembly and the fine filtering assembly for multiple filtering, the design is scientific and reasonable, the structure is compact, the filtering effect is remarkable, clean air is provided, and the overall quality of the filter is improved.

The invention discloses a boxing bandage winder. The boxing bandage winder comprises a winding support, the winding support is an inverted U-shaped support plate, a bandage guide shaft is fixed to the upper end between frame plates at the two sides of the U-shaped support plate, a support fixed rod is fixed to the lower end between the frame plates at the two sides of the U-shaped support plate, a rolling fork rod is movably installed in the middle between the frame plates at the two sides of the U-shaped support plate in an inserted mode, and a shaking handle is fixedly arranged at the end of the rolling fork rod. The boxing bandage winder is simple in structure, low in production and manufacturing cost and convenient to carry, operate and use, and the boxing bandage winding efficiency is drastically improved.

The invention discloses an assembled electric power safety tool cabinet which comprises a tool cabinet body, a cabinet door with the side edge hinged to the tool cabinet body, a drying agent storage chamber fixedly connected to the lower portion of the tool cabinet body, supporting legs fixedly installed on the lower portion of the drying agent storage chamber and stepped connecting blocks fixedlyconnected to the two sides of the tool cabinet body. An air pipe connector communicating with the drying agent storage chamber is formed in the side portion of the tool cabinet body and is connectedwith an air outlet of the draught fan through a pipeline. According to the assembled electric power safety tool cabinet, the tool cabinet body is connected with connecting rods through the stepped connecting blocks, the tool cabinet bodies can relatively rotate by an angle, so that the multiple tool cabinet bodies placed according to space can be conveniently assembled and combined; the air provided by an air outlet of the draught fan dries the internal space of the tool cabinet body after being dried by a drying agent, so that the electric power tools are prevented from being damped; and a controller detects whether the electric power tool returns through a contact switch, so that tool losing is avoided.

The invention provides a combined spliced door frame. A vertical pillar and a beam of the combined spliced door frame are each provided with steps corresponding to a door. The vertical pillar and the beam are each integrally formed through medal plates. The vertical pillar end of the vertical pillar and the beam end of the beam are spliced and combined, an inserting groove is formed in the low step of the vertical pillar end, and the high step of the vertical pillar end inwards retracts to form a first platform. A first inserting plate is arranged on the first platform in an extending mode, an inserting hole is formed in the high step of the beam end and matched with the first inserting plate in a corresponding mode, and the inserting hole is provided with an axial hole width for movement of the first inserting plate. The high step of the beam end is matched with the first platform in a corresponding mode, the low step of the beam end inwards retracts to form a second platform, and a second inserting plate is arranged on the second platform in an extending mode and matched with an inserting groove in a corresponding mode, and the second platform is matched with the low step of the vertical pillar end in a corresponding mode. Under the uncombined state, the vertical pillar and the beam are separated, conveying and moving are convenient, the more door frames are contained in the same space, the space is effectively utilized, and cost for conveying, storing and the like is reduced; and during crossed assembly combination, assembly is convenient, the structure is stable, and extra connecting pieces are not needed.

The invention discloses an injection molded raft shell, which relates to the field of raft shells. Aiming at the problems that the existing life raft shells are inconvenient to be assembled and connected at one side of the ship in an efficient and arbitrary manner, and at the same time it is inconvenient to store them stably, the following scheme is proposed , which includes an upper raft shell and a lower raft shell. A connecting plate is arranged on the rear side of the upper and lower raft shells close to one end face, and the upper and lower sides of the connecting plate are respectively connected with the upper raft shell, The lower raft shell is rotatably connected, the outer sides of the upper raft shell and the lower raft shell are fixedly fitted with arc-shaped plates in an array, and the adjacent sides of the two adjacent arc-shaped plates are provided with arc-shaped slide rails. The inner wall of each arc-shaped slide rail is provided with a plurality of limiting square holes in an array, and an arc-shaped slide plate is arranged between two adjacent arc-shaped slide rails. The device can be assembled and assembled conveniently, which is convenient for installation on one side of the ship and convenient for storage.

The invention relates to the technical field of downhole material crushing, in particular to a downhole hammer-type punching device. The downhole hammer-type punching device comprises a hammer head structure (1), a counterweight structure (2) and an energy storage structure (3); the hammer head structure (1) is connected with a suspension driving structure (4); the counterweight structure (2) is arranged on the hammer head structure (1); and the energy storage structure (3) is arranged between the hammer head structure (1) and the counterweight structure (2), when the suspension driving structure (4) drives the hammer head structure (1) to move upwards, part of gravitational potential energy of the counterweight structure (2) is converted into stored energy, and the stored energy is released to the hammer head structure (1) when the suspension driving structure (4) freely releases the hammer head structure (1) to descend. According to the downhole hammer-type punching device, under thepremise without increasing the overall weight, impact force is improved, and the crushing effect is improved.

The invention discloses a portable assembled fan, comprising a support bed plate. Two side vertical plates are welded onto the upper surface of the support bed plate symmetrically; a fan back hood isrotationally connected between the two side vertical plates through pivot pins; a motor holder is welded to the center of the front surface of the fan back hood and a drive motor is welded to the center of the motor holder; a rotation shaft is welded to one end of the drive motor, and a vane mounting plate is fastened to one end of the rotation shaft. The portable assembled fan is divided into four parts, namely the support bed plate, the fan front hood, the fan back hood and the vane mounting plate, the fan back hood is connected above the support bed plate through the pivot pins rotationally, the fan front hood is fastened to the front surface of the fan back hood through clamp plates, the vane mounting plate is fastened to one end of the rotation shaft on the fan back hood through a fixing pin, and thus, mounting difficulty is reduced, and combining, assembling and carrying of the fan are facilitated.

The invention discloses a method for controlling the verticality of the painting of the base layer of the exterior wall of a high-rise building, and belongs to the field of painting of the base layer of the exterior wall of a building. On the outer wall A of the high-rise building, at a distance of 100mm from the outer corner of the outer wall, use an infrared plummet and an ink fountain to pop up a vertical ink line; at the upper and lower ends of the outer wall A, fix a positioning plate with expansion bolts, and the upper and lower positioning plates The outer side is tightened with a steel wire, the distance between the steel wire and the wall B is the base painting thickness required by the drawing design, and the steel wire is parallel to the vertical ink line; when painting the outer wall B, first press a thickness control board on the side of the outer wall A, The thickness control plate is parallel to the steel wire; first, the wall on the side of the outer wall B that is away from the steel wire, the width of which is not less than 500mm, is scraped and calendered, and then the entire outer wall B is painted; after the outer wall B is painted After the completion, repeat the above steps to paint the exterior wall surface A. In turn, it ensures the construction and perception quality of the exterior wall decoration of high-rise buildings, and finally achieves the best three-dimensional effect of high-quality projects.

The invention discloses a differential mechanism assembly of an automobile front-wheel drive transmission. The opposite ends of a differential mechanism shell and a shell end cover are provided with assembling limiting flanges correspondingly; a main reduction gear is arranged on the assembling limiting flange of the differential mechanism shell cover in a sleeving mode and clamped between the differential mechanism shell and the differential mechanism shell cover; two semi-shaft bevel gears are symmetrically installed in a gear mechanism installation cavity; the shell wall of the differentialmechanism shell is uniformly divided into 360 degrees and provided with four radial through holes; a planet gear shaft forms a cross-shaped shaft through a long shaft and two short shafts, the two ends of the long shaft are in clearance fit with the two opposite radial through holes on the differential mechanism shell, one ends of the two short shafts are connected to the long shaft in an axiallysymmetrical mode, and the other ends of the two short shafts are in clearance fit with the other two radial through holes on the differential mechanism shell; and four planet gears are in clearance fit with the four ends of the cross-shaped shaft and are engaged with the two semi-shaft bevel gears through the same teeth.

The invention discloses a press type screwdriver head storage seat which consists of a seat body, a blocking buckle, a spring and a gland unit, wherein the gland unit comprises a gland, a gland extension rod and a screwdriver head storage base; the gland extension rod is provided with a locating column; the blocking buckle is arranged on the seat body; the gland unit is connected with the seat body in a sliding way, and the gland and an opening end of the seat body are closed with each other, or a pick-up gap is reserved between the gland and the opening end of the seat body; the locating column is connected with the blocking buckle in a blocking way, or is separated from the blocking buckle; the spring is arranged between the bottom of the screwdriver head storage base and a closed end of the seat body. After the press type screwdriver head storage seat is applied, storage and pick-up are conveniently carried out since the screwdriver head storage seat is in a press type; in the pick-up process, scattering is not easily caused; the press type screwdriver head storage seat is small in volume and convenient to carry; spacing grids are adopted, so that the storage space is divided into a plurality of independent storage spaces, and screwdriver heads are stored in a way of classification; the storage seat adopts a structure of splicing the seat body and the base, and the base is connected with the seat body by screw threads, so that assembly is convenient, and production is fast and convenient.