35results about How to "Improve assembly strength" patented technology

The invention discloses a carbon fiber composite material T-shaped beam structure and an autoclave forming mold and forming method. The carbon fiber composite material T-shaped beam structure comprises a first structure layer, a second structure layer, a third structure layer and a filling structure, and long-term use of the T-shaped beam structure under various complex working conditions is met through reasonable layering design; the autoclave forming mold comprises a mold body and a side sliding block, the section of the mold body is in an L shape, the mold body is provided with a material piece paving face and a mold closing face, the side sliding block is provided with a paving face matched with a second structural layer, and after the mold body and the side sliding block are closed, a double-face mold pressing area of a flange corresponding to the horizontal section of the second structural layer is formed. And an autoclave forming process is combined, and a mode of integral vacuum bag pressing and local double-sided mold pressing is adopted, so that material sheet paving is simple and easy to operate, and a formed product is low in porosity.

The invention discloses a hollow sphere joint of a space grid structure and an installation method.The hollow sphere joint comprises a hollow sphere, a threaded sleeve, a conical head and a tubular rod piece, the threaded sleeve is welded to the outer surface of the hollow sphere, the conical head is welded to one end of the tubular rod piece, and the conical head is fixedly connected with the threaded sleeve through a high-strength bolt; cranked levers are circumferentially distributed on the threaded sleeve, the middles of the cranked levers are rotationally connected with the threaded sleeve, one ends of the cranked levers are clamped with the conical head, the other ends of the cranked levers extend into the threaded sleeve and abut against the high-strength bolt, and the conical head is welded to the tubular rod piece; compared with a bolt sphere joint, the welding hollow sphere joint is small in steel amount, light in weight and small in welding operation difficulty, the welding quality is easy to guarantee, the construction difficulty is reduced, the construction quality and speed are effectively improved, the construction cost is reduced, the assembly requirement of a space grid structure is met, and the joint assembly strength is improved.

The utility model relates to an assembly type stair. Comprising a ladder beam provided with a plurality of first connecting holes; the ladder plates comprise a bottom ladder plate, a plurality of middle ladder plates and a top ladder plate; the bottom ladder plates are located at the bottoms of the ladder beams, the top ladder plates are located at the tops of the ladder beams, and the middle ladder plates are located between the bottoms of the ladder beams and the tops of the ladder beams; two grouting grooves are respectively formed from the back surface of the vertical part of the bottom ladder plate to the bottom of the plane part of the bottom ladder plate, and two grouting grooves are respectively formed from the back surface of the vertical part of the middle ladder plate to the bottom of the plane part of the middle ladder plate; and the first connecting pieces are embedded in the grouting grooves and the bottom of the top ladder plate correspondingly, the first connecting pieces at the bottoms of the middle ladder plates are used for being inserted into the first connecting holes corresponding to the first connecting pieces, and the first connecting pieces at the bottoms of the bottom ladder plates are used for being inserted into the first connecting holes corresponding to the first connecting pieces. The stair is low in self weight, the first connecting pieces at the connecting positions can be hidden, and the appearance is attractive.

The invention discloses an assembled return case for a new energy battery in the technical field of battery case manufacturing, the assembled return case comprises a lower shell, an upper shell and a plurality of groups of bolts, the lower shell and the upper shell are fixedly connected through the bolts, the upper shell comprises a skirt edge, and the skirt edge is fixedly connected with the upper end of the lower shell through the bolts; a main body is arranged on the inner wall of the skirt edge, the main body is provided with an assembling mechanism, and the main body can be fixedly connected with the skirt edge in an inseparable mode through the assembling mechanism; the skirt edge and the lower shell are assembled at a production source, and then the main body and the skirt edge are assembled through the assembly type structure, so that the assembly quality of the case is more stable; in the process, the skirt and the lower shell can be assembled in advance in a unified manner through a follow-up assembly mode of the main body and the skirt, the case is kept in an open state at the same time, and the assembly strength between the main body and the skirt is higher through a one-time assembly mode of the skirt and the lower shell.

The utility model discloses a swing leaf structure of air conditioner cabinet, including swing leaf body still include the extension plate of swing leaf body one end end part, be provided with swing leaf drive subassembly on the fixed extension plate, swing leaf drive subassembly includes drive block, crank and bolt, drive block is fixed on the extension plate, and drive block is provided with the drive hole parallel to swing leaf body length direction and the pinhole perpendicular to drive hole, and drive hole is communicated with pinhole, one end of crank is provided with the radial extension lock hole, and the other end of crank is equipped with the axial extension motor connecting hole, and crank inserts drive hole, and lock hole is aligned with pinhole, and the plug -in cooperation is formed to bolt and lock hole and pinhole. The relative position of swing leaf and crank is effectively fixed, and swing leaf and crank connection stability, can not happen other relative motion, effectively strengthened the assembly intensity between swing leaf and crank, makes crank can steady drive swing leaf operation, and the clearance between swing leaf and face frame can not change, ensures the stability of air conditioner swing leaf operation.

The utility model discloses a novel horizontal sewage separation device which comprises a tank body and a top cover, side wall inserting grooves are formed in the tank body, inserting of a plurality of partition plates is realized through the side wall inserting grooves, and the partition plates divide the tank body into a plurality of subareas including a cleaning area, an anaerobic treatment area, an aerobic treatment area, a settling area and a clear water area; bottom flowing holes are formed in the bottoms of the first partition plate and the third partition plate, upper flowing openings are formed in the second partition plate and the fourth partition plate, upward flow and downward flow connection is formed in the tank body to achieve directional flowing of wastewater in the tank body, and aerobic and anaerobic treatment is achieved through suspended filler arranged in the anaerobic treatment area and the aerobic treatment area. In the treatment process, the suspended filler fixed at a single point is matched with the aeration pipe arranged in the aerobic treatment area, so that microorganisms on the suspended filler can be regularly aged and cleaned, the aerobic treatment efficiency can be improved, and the sewage treatment efficiency and effect are improved by adopting the structure.

The utility model provides an integrally formed buckle structure for an automobile hard ornament, and relates to the technical field of automobile buckles, the structure comprises an integrally formed buckle body, and the buckle body comprises a supporting seat and a clamping piece; the supporting seat comprises a first vertical rod, a second vertical rod and a connecting cross rod; the two ends of the connecting transverse rod are connected to the top end of the first vertical rod and the top end of the second vertical rod correspondingly, and an installation neutral position is formed between the first vertical rod and the second vertical rod. The top of the clamping piece is connected to the middle of the connecting transverse rod, and an extrusion inclined face is arranged on the front face of the clamping piece and inclines from top to bottom and from inside to outside. And a groove which is sunken inwards is formed in the extrusion inclined surface. The utility model has the advantages that the original split structure is changed into an integrally formed structure, so that the production and the manufacturing are convenient, the cost is saved, and the labor and time cost caused by the installation process is also saved.

The crystal car lamp assembly comprises a light-transmitting mask, a lamp cavity is formed in the light-transmitting mask, a light source assembly is arranged in the lamp cavity, a transparent support is arranged in the middle of the outer wall of the front end of the light-transmitting mask, and a crystal light-transmitting piece is arranged on the front end face of the transparent support. A light guide part is convexly arranged in the middle of the front end of the crystal light-transmitting piece; an outer protective cover is sleeved outside the light-transmitting mask, a positioning hole which is matched with the crystal light-transmitting piece in an aligned mode is formed in the middle of the front end of the outer protective cover, and the light guide portion penetrates through the positioning hole from back to front and protrudes out of the front end face of the outer protective cover. According to the crystal car lamp assembly, the light guide part of the crystal light-transmitting piece can be arranged in an outward protruding mode, so that the arrangement mode of the crystal light-transmitting piece is optimized, the light processing effect of the crystal light-transmitting piece is better, and the overall lighting effect of a car lamp is correspondingly optimized. The utility model further discloses a vehicle using the crystal vehicle lamp assembly.

The application discloses a high-temperature high-power hybrid integrated device and a packaging method thereof, and belongs to the technical field of integrated circuits. The device comprises a circuit module (1) and a heat storage unit box body (2) provided with an inner cavity. A recess (21) is arranged on the surface of the heat storage unit box body (2), the circuit module (1) is fixedly connected in the recess (21), the circuit module (1) is in contact with the heat storage unit box body (2) to form heat conduction, a first filling body (3) composed of phase change heat storage materials is arranged in the heat storage unit box body (2), and a heat insulation layer (6) is arranged on the outer surface of the heat storage unit box body (2). The application effectively improves the heat dissipation capacity and high-temperature resistance of the circuit module, simultaneously reduces the temperature of internal components of the circuit, enables the circuit to normally work in the case that components and materials with a rated working temperature lower than an ambient temperature are adopted, and avoids the adoption of valuable high-temperature components and materials, so that the economic cost of the circuit module is reduced as a whole.

A compatible installation interface for a vertical plugging circuit board is characterized in that the compatible installation interface comprises a mother board, a connector socket, a connector plug, a vertical fixed guide rail and a PCB plugboard, the connector socket is arranged above the mother board, the connector socket is welded and fixed on the mother board, the vertical fixed guide rail is fixedly connected with the mother board through three combination screws, and the PCB plugboard is fixedly connected with the connector socket. The vertical fixed guide rails are used in pairs, PCB guide grooves are formed in the two sides of each vertical fixed guide rail, a PCB plug board is installed between the two oppositely-arranged vertical fixed guide rails, a limiting assembly used for limiting the PCB plug board is arranged above the vertical fixed guide rails, a connector plug is installed below the PCB plug board, and the connector plug is connected with the PCB plug board. According to the utility model, the PCB plugboard and the mother board are arranged at an angle of 90 degrees, and the vertical fixed guide rail is used for auxiliary positioning, so that the rigidity of the circuit board is enhanced, and reliable connection of the connector in a strenuous vibration environment is ensured; and a mounting interface is converted through the PCB width adjusting plate, so that a set of mother board can be compatible with various PCB plug boards.

The invention discloses an embedded roller structure of a treadmill, which belongs to the technical field of treadmills and comprises a mounting main frame, mounting side frames are symmetrically arranged on two sides of the mounting main frame, a fixed supporting base is arranged in the mounting side frame on one side, a first mounting plate is arranged at the upper end of the fixed supporting base, and a second mounting plate is arranged at the lower end of the first mounting plate. A guide frame is arranged at the upper end of the first mounting plate, a light touch key is arranged at the upper end of one side of the guide frame, a first wiring port is formed in one side of the light touch key, and a first adjusting roller is arranged on one side of the guide frame; the roller rolls to drive the turntable in the horizontal semicircular shaft encoder to rotate, the contact on the turntable is in contact with the fixed contact in the encoder to generate an on-off signal, a signal change instruction is converted into a treadmill speed change instruction and a gear change instruction, and the roller key is arranged in the treadmill, so that one-key roller activation and locking can be realized; mistaken touch in the running process is prevented, and speed and gear adjustment is more convenient and faster.

This utility model discloses an assembled design structure for irregularly shaped aluminum plates with a ring-shaped, stacked configuration, comprising: a base plate, an upper ring-shaped aluminum plate, and a lower ring-shaped aluminum plate, which are respectively suspended from the base layer of a wall by lifting rods; an upper positioning seat, which is arranged at the bottom edge of the base plate and the upper ring-shaped aluminum plate, with the top of a connector slidably connected to a first oblong hole extending in the x-axis direction on the upper positioning seat, and a first cap abutting against the end face of the upper positioning seat; a lower positioning seat, which is arranged on the top surface of the upper and lower ring-shaped aluminum plates, with the bottom of a connector slidably connected to a second oblong hole extending in the y-axis direction on the lower positioning seat, and a second cap abutting against the end face of the lower positioning seat; and several lamps. This utility model can solve the problems of existing irregularly shaped aluminum plate structures, such as difficulty in achieving efficient, safe, convenient, and detachable assembly, and insufficient structural integrity, structural strength, and seismic performance.

A kind of heat management integrated assembly for new energy special vehicle, including heat exchanger, electronic expansion valve assembly, expansion water kettle, pressure cover and electronic water pump.The top of expansion water kettle is provided with water replenishment, and the edge forms annular boss, pressure cover is sleeved on the boss, and the bottom is provided with first water inlet and first water outlet.The water inlet connector of electronic water pump is inserted and communicated with the first water outlet.The upper surface of heat exchanger is fixedly connected to the bottom of expansion water kettle, and its second water outlet is communicated with the first water inlet, to realize the backflow of cooling liquid.Electronic expansion valve assembly is arranged on the lower surface of heat exchanger, including electronic expansion valve body and one side flow guide connector, the flow guide connector is provided with refrigerant outlet channel, the outlet of electronic expansion valve body is communicated with the refrigerant inlet of heat exchanger, and the flow guide connector is communicated with the refrigerant outlet of heat exchanger.The structure realizes the high integration of heat management component, improves system compactness and installation convenience, and is suitable for new energy special vehicle with limited space.

The invention discloses an assembly type wind power construction operation platform, and particularly relates to the technical field of wind power construction operation platforms, the assembly type wind power construction operation platform comprises a supporting bottom plate, one end of the bottom of the supporting bottom plate is fixedly connected with a mounting box, clamping strips are symmetrically and fixedly connected to the two sides of the other end of the bottom of the supporting bottom plate, and mounting insertion holes are formed in the side, close to the clamping strips, of the supporting bottom plate; the periphery of the supporting bottom plate is fixedly connected with a stabilizing cylinder. According to the protective device, firstly, through cooperation of the arranged limiting mechanisms, positioning inserting grooves and positioning inserting blocks, the short protective plate and the long protective plate are conveniently combined and installed on the periphery of the top of the supporting bottom plate, and can be disassembled and installed between the two clamping strips during moving and transporting, overall carrying and transporting are convenient, and the protective device is flexible, portable, assembled and used; and the limiting rods can be conveniently mounted in the mounting insertion holes to be carried, through cooperation of the threaded insertion rods and the rotating columns, assembly and use are convenient, single components can be conveniently disassembled, replaced or replaced, and the construction assembly efficiency and progress are improved.

The present invention provides a cover assembly and a dehumidifier. The cover assembly includes: a cover; a handle structure, the handle structure is detachably connected to the cover body, the handle structure has a first limiter, the cover body has a second limiter, the second limiter is movably connected to the first limiter, so that the handle structure moves within a preset angle range; a locking pin structure, the locking pin structure is detachably connected or movably connected to the cover body, and the locking pin structure has a stopper, after the handle structure and the cover body are installed in place, the stopper cooperates with the first limiter in the installation direction of the handle structure. The present invention solves the problem of low assembly efficiency of the handle structure in the prior art.

The utility model provides an optical lens. The optical lens includes: a lens barrel; the lens is arranged in the lens barrel, the lens is provided with a bending structure, the bending structure is located on the peripheral side of the lens, the bending structure comprises a first section, a second section and a third section which are sequentially connected in the direction away from the optical axis, every two adjacent sections of the first section, the second section and the third section are in angular connection, and a groove is formed between the first section and the second section; the groove is located on the object side face of the bending structure, and the lens barrel is provided with a boss matched with the groove. According to the utility model, the problem that the overall length of an optical lens in the prior art is difficult to compress is solved.

The utility model relates to a commodity thruster and a shelf, the thruster comprises a thrusting block and a coil spring assembled on the thrusting block, a reinforcing wheel assembly is arranged behind the lower end of the thrusting block, the reinforcing wheel assembly comprises a roller carrier, a roller and a hook, the roller carrier is connected with the thrusting block, the roller is rotatably installed on the roller carrier, and the hook is connected with the thrusting block. One end of the hook is connected to the roller frame, the other end of the hook is provided with a hook part, the hook part is used for hooking other components of the commodity display equipment so as to facilitate replenishment, the reinforcing wheel assembly enhances the moving stability of the propelling block and enhances the assembling strength of the propelling block and the commodity display equipment, and then the automatic tallying performance of the commodity propeller is improved.

The utility model relates to a commodity display channel which comprises a commodity channel and a head. The commodity channel comprises a first bottom plate and side plates, the side plates are integrally formed on the left side and the right side of the first bottom plate, are vertically upward and extend in the length direction of the first bottom plate, and a first clamping part is further integrally formed on the end face of the front end of the bottom plate; the head part comprises a second bottom plate and a front baffle, the front baffle is integrally formed at the front end of the upper surface of the second bottom plate, a second clamping part is further integrally formed on the end face of the rear end of the second bottom plate, and the second clamping part is connected with the first clamping part in an up-and-down buckling mode when the head part is assembled with the commodity channel, so that the assembly strength and stability are improved, and the assembly efficiency is improved. Overall movement of the commodity display channel in the using process is facilitated, meanwhile, the problem that the front baffle is loosened or disengaged due to collision caused by forward movement of commodities is solved, the number of components is small, the structure is simplified, and the overall strength is improved.

The invention discloses production equipment and a production method for a new energy automobile motor aluminum end cover. The production equipment comprises an end cover clamp, an assembling assembly, a detecting assembly, a heating assembly and an extruding assembly. The metal sheet is inserted into the insertion part through the assembly component, and the metal sheet and the motor aluminum end cover are assembled by means of interference fit; the tightness degree of the metal sheet is detected through the detection assembly, when the tightness degree of the metal sheet is not qualified, the insertion part is heated through the heating assembly, and the insertion part is extruded through opposite movement of the two extrusion parts; in the process, the insertion part and the metal sheet are subjected to thermal expansion through heating, then the insertion part and the metal sheet are attached through the extrusion part, the combination area is subjected to microcosmic plastic deformation under the action of heating and pressure, and the assembly strength is further enhanced. Through the above arrangement, after the metal sheet is inserted into the aluminum end cover of the motor, the tightness of the aluminum end cover can be corrected without waiting for complete assembly of the motor, so that the assembly reliability of the motor is improved, and the efficiency is improved.

The utility model discloses a novel upper hanging instrument tray with a swing rod structure, which comprises a main control instrument tray body, a swing rod mechanism is arranged on the tray surface of the main control instrument tray body, the swing rod mechanism comprises a plurality of hinge heads, a plurality of swing rods are arranged on the outer sides of the hinge heads, and the swing rods are sequentially connected with first connecting pipes, springs and second connecting pipes. The connecting positions of the two ends of the spring are each provided with a connecting sleeve, external threads are formed on one side of each connecting sleeve, inserting parts are formed on the other side of each connecting sleeve, the two ends of the spring are in threaded connection with the external threads of the corresponding connecting sleeves respectively, and the inserting parts of the two connecting sleeves are inserted into the first connecting pipe and the second connecting pipe respectively. Compared with the prior art, a spring direct insertion type connecting structure is replaced, the assembling stability of all assemblies of the swing rod is improved, and then the stability of equipment is improved.

The exhaust fume collecting hood assembly comprises an exhaust fume collecting hood and a glass panel arranged on the outer side of a side plate of the exhaust fume collecting hood, a mounting hole is formed in the outer side of the side plate of the exhaust fume collecting hood, a clamping jaw structure is arranged on the glass panel, and the clamping jaw structure comprises elastic clamping jaws distributed in the circumferential direction of the mounting hole. All the elastic clamping jaws penetrate through the mounting holes and are clamped with the mounting holes in a matched manner; the elastic clamping jaws are distributed in the circumferential direction of the mounting hole, so that all the elastic clamping jaws can be clamped with the mounting hole in the circumferential direction of the mounting hole, the clamping area between the elastic clamping jaws and the mounting hole in the circumferential direction of the mounting hole is increased, and therefore the clamping strength between the elastic clamping jaws and the mounting hole is improved; on the basis that the glass panel and the exhaust fume collecting hood side plate are easy to mount and dismount, the assembly strength between the glass panel and the exhaust fume collecting hood side plate is enhanced, and the stability of the glass panel on the exhaust fume collecting hood is further improved.

The present invention provides an assembly connection structure between a middle frame and a base and an air conditioner having the same, wherein the assembly connection structure between the middle frame and the base includes a plurality of clamping structures arranged between the middle frame and the base, wherein the clamping structures are used for fixed connection between the middle frame and the base, and a positioning structure is also arranged between the middle frame and the base, wherein the positioning structure is used for assembly and positioning of the middle frame and the base. The present invention realizes rapid assembly and positioning by means of the coordinated installation of the positioning pin and the clamping structure, realizes linear coordinated installation and disassembly of the entire clamping process by setting the coordinated angle of the clamping structure, improves the anti-slip performance of the clamping structure by setting the straight line segment on the buckle, and facilitates the installation and / or disassembly of the clamping structure by setting different demoulding angles on the buckle seat. The present invention has a simple structure and is easy to produce, and improves the assembly speed and assembly strength of the middle frame and the base of the integrated panel.

The utility model discloses a punch hammer structure of a high-energy hydraulic down-the-hole hammer, and relates to the field of geothermal drilling. The device comprises a piston rod, a butt joint and a punch hammer, inserting grooves are symmetrically formed in the two ends of the butt joint in a mirror symmetry mode, the inserting grooves are coaxially formed in the butt joint, and the diameter of a groove opening in the depth direction of each inserting groove is larger than that of the bottom of each inserting groove; plugs are arranged on the outer wall of the punch hammer and the outer wall of the piston rod, correspond to the insertion grooves in shape and are connected with the insertion grooves in an inserted mode; the outer wall of the punch hammer is sleeved with a sleeve, and a lubricating groove is formed in the end face of the sleeve and filled with lubricating oil. The utility model has the benefits that the butt joint is connected with the piston rod and the punch hammer through the slot, the conical surface structure of the slot enables the piston rod and the punch hammer to be more firmly connected with the butt joint along with the impact operation, and the punch hammer impacts and lubricates the hammer head through the sleeve, so that the abrasion is reduced, the use performance is improved, the sleeve is easy to disassemble, assemble and replace, and the use cost is reduced.

This utility model discloses a wood veneer assembly design structure with convenient fastener installation, comprising: a wood veneer panel, which is assembled on a wall surface; a nut, which passes through a converging groove and is circumferentially embedded in a positioning groove, with an internal thread at its inner end and a first splicing structure at its outer end, the surface of the first splicing structure having an annular groove, and a first spring piece arranged in the annular groove; and a bolt, which includes a threaded section and a second splicing structure, the threaded section passing through a through hole and being threaded into a pre-drilled hole on the wall surface, the second splicing structure being assembled on the first splicing structure, the surface of the second splicing structure having a second spring piece, the second spring piece sliding into the annular groove and abutting against the first spring piece, and the cap at the outer end of the second splicing structure being rotatably embedded in the converging groove. This utility model can solve the problems of insufficient assembly strength and installation stability of existing wood veneer assembly structures, easy damage to the wood veneer during assembly, and difficulty in achieving non-destructive and convenient assembly and disassembly.

The utility model discloses a dragging structure and a vehicle, and the dragging structure comprises an outer pipe which is provided with at least two first through holes; the inner pipe is positioned in the outer pipe and is provided with a second through hole; the movable pin assembly is arranged on the outer pipe, and the movable pin assembly comprises at least two plug pins; wherein the number of the second through holes is greater than that of the first through holes; the plug pins are sequentially inserted into the corresponding first through holes and the corresponding second through holes. Due to the adoption of the at least two bolts, the assembly strength of the bolts and the through holes is increased, and the bolts and the through holes are not easy to deform and firmer. In addition, the plug pins sequentially penetrate through the first through holes and the second through holes, the assembly strength of the plug pins and the through holes is improved, and the plug pins and the through holes are not prone to deformation and firmer.

The utility model discloses a high-speed, high-efficiency and high-precision deceleration electric driving system, the outer end of a motor shaft is provided with a first shaft section, a second shaft section and a third shaft section from inside to outside in sequence, and a central shaft hole of a driving gear is provided with a first hole section, a second hole section and a third hole section which are respectively matched with the first shaft section, the second shaft section and the third shaft section. By adopting the high-speed, high-efficiency and high-precision deceleration electric driving system, the problem that the transmission meshing efficiency is influenced by the central shaft hole of the driving gear after heat treatment carburizing and quenching is solved, and the engineering problems of loud noise, short service life, easiness in damage, high manufacturing cost and the like are solved; according to the invention, the assembly size control of the driving gear and the motor shaft at the sleeving position is ensured, the smoothness, reliability and assembly strength of transmission can be effectively improved, the operation noise can be reduced, the transmission efficiency and performance of the system can be obviously improved, and a solid foundation is laid for realizing high-speed, high-efficiency and high-precision transmission of the electric drive system.

The inner barrel structure comprises an inner barrel and a sealing ring, the sealing ring comprises a sealing body arranged on the periphery of a barrel door of the inner barrel in a sleeving mode and a sealing lip arranged on the periphery of the sealing body, and the end of a barrel opening of the inner barrel abuts against the sealing lip in the axial direction of the inner barrel and extrudes the sealing lip; the free end of the sealing lip is extruded on the inner cylinder door; the sealing lip is axially extruded by the end part of the inner cylinder opening when the inner cylinder door is closed, and the free end of the sealing lip is extruded on the inner cylinder door, so that the sealing lip can be tightly clamped between the end part of the inner cylinder opening and the inner cylinder door, and the assembly strength between the sealing lip and the inner cylinder opening as well as between the sealing lip and the inner cylinder door is increased; and the stability of the sealing lip is improved, so that the sealing performance of the sealing ring is improved, and the sealing performance between the inner cylinder opening and the inner cylinder door is improved.

The invention discloses an assembled medical waste recovery box which comprises a recovery box body and a box cover which are movably connected, and is characterized in that the left side and the right side of the box cover are both provided with sliding groove areas, each sliding groove area is provided with a fixing groove, and each sliding groove area is fixedly connected with one side of an abutting plate through the corresponding fixing groove; a throwing opening is formed in the center of the box cover, a fixed cover and a sliding cover are arranged on the throwing opening, the fixed cover is fixedly arranged on one side of the throwing opening, and the sliding cover is in sliding connection with the other side of the abutting plate; and a three-side positioning structure is formed between the sliding cover and the fixed cover. According to the scheme, an assembling structure of the recycling box body and the box cover is adopted, large-space and freedom-degree positioning arrangement or moving arrangement can be achieved, collection and cleaning are facilitated, and environmental protection and sustainability are facilitated; the sealing speed of the box body can be improved through the sliding structure, odor and bacteria in the box are prevented from diffusing outwards, meanwhile, the sliding cover forms a three-edge all-dimensional locking state of the box cover relative to the fixed cover, and the effect of improving the overall strength is achieved.