118results about How to "Assembly effort" patented technology

The invention relates to an abnormal-shaped seal ring, a lamp casing and a lamp. The abnormal-shaped seal ring is used for being placed in a sealing groove of any end cover on the lamp and being pressed by the inner surface of the lamp casing to achieve sealing on the lamp, the abnormal-shaped seal ring comprises an annular substrate comprising an inner lateral face for force fit with the bottom face of the sealing groove and an outer lateral face for force fit with the inner surface of the casing. A plurality of protruding portions are arranged on the outer lateral face, the distance from the top end to the inner surface of each protruding portion gradually increases in sequence, and each protruding portion inclines towards the protruding portion with longer distance from the top end to the inner surface. The structure of the abnormal-shaped seal ring can reduce frictional drag between the end cover and the inner surface of the casing to save labor for assembly, and simultaneously the abnormal-shaped seal ring brings convenience to take out the end cover during maintenance. The plurality of protruding portions and the inner surface of the casing are pressed to form a plurality of waterproof protective screens to further improve waterproofness.

The invention discloses a modularized electric field for a VOC (Volatile Organic Compound) treatment device. The modularized electric field comprises two negative plates which are arranged oppositely on left and right sides, wherein at least one negative barrel is vertically fixed between the two negative plates; the negative plates are provided with openings at positions over against the mouths of the negative barrels; coaxial positive rods are inserted into the negative barrels; at least one coaxial circular positive sheet is arranged on each positive rod in a sleeving way; gaps are reserved between the outer circle of each positive sheet and the inner walls of the negative barrels; short linings are arranged between adjacent positive sheets in a cushioning way; long linings and inner nuts are arranged on the positive sheets on the outermost side in a press fitting way; a positive plate is arranged on the outer side of each negative plate; the two ends of the positive rods pass through corresponding positive plates and are locked through outer nuts; an insulating column is arranged between each negative plate and the positive plate on the outer side of each negative plate in a cushioning way. By adopting the modularized electric field for the VOC treatment device, a formed electric field has higher and more uniform strength.

The invention provides a pneumatic rubber tube assembling machine comprising an operating platform, a rubber pipe clamping device, a connector clamping device and a compressed air pipeline, wherein, the rubber pipe clamping device comprises a vertical cylinder, a clamping fixture seat and a clamping fixture; the cylinder punch of the vertical cylinder is vertically opposite to the upper surface of the clamping fixture seat; the connector clamping device comprises a horizontal cylinder, a propelled clamping fixture seat and a propelled clamping fixture, the propelled clamping fixture is arranged on the propelled clamping fixture seat in a sliding manner; the first end of the propelled clamping fixture is horizontally opposite to the cylinder punch of the horizontal cylinder; the second end of the propelled clamping fixture is opposite to the rubber pipe fixed by the rubber pipe clamping device; and the compressed air pipeline is respectively communicated with the horizontal cylinder and the vertical cylinder through pipelines. The pneumatic rubber tube assembling machine of the invention substitutes a mechanical method for manual operation, leads the assembling process to be more labor-saving, improves the working efficiency, and ensures the assembling quality.

The invention discloses an assembly tool and assembly method of a circlip for a hole. The tool comprises a guide column and a press fitting rod, the longitudinal section of the guide column is in a U type, the press fitting rod is provided with an annular boss, a through hole is formed in the center of the guide column, the guide column is inverted so that the U-type opening can be downward, the press fitting rod is sleeved with the guide column, the annular boss is in butt joint of the inner bottom wall of the guide column, the diameter of the annular boss is slightly smaller than the diameter of a workpiece hole of the to-be-installed circlip for the hole, and the diameter of the lower end of the press fitting rod is smaller than the aperture of the to-be-installed circlip for the hole. The invention further discloses an assembly method using the assembly tool. The assembly tool has the advantages that a guide sleeve serves as a limiting device, the circlip is pushed by the press fitting rod to overcome axial force to be assembled in a workpiece, the circlip is stable to move, the assembly tool is simple in structure and can be automatically controlled, a special circlip installation machine is not needed, cost is reduced, use is convenient, the assembly process is convenient and easy, and remodeling is quick.

The invention discloses a guiding and supporting device of a hybrid power battery pack of a car, wherein two side sliding rails (2) are arranged on a supporting frame (1) in parallel on the left and right sides; each of the side sliding rails (2) is composed of a supporting frame (2a), a short shaft (2b), bearings (2c) and pulleys (2d); the supporting frame (2a) is a long rectangle; a plurality of bearings (2c) are arranged in the supporting frame (2a) from front to back; the bearings (2c) are connected with the supporting frame (2a) by the short shaft (2b); the pulleys (2d) are fixedly sleeved on the bearings (2c); the upper ends of the pulleys (2d) surpass the top of the supporting frame (2a); and an annular groove is formed on the outer circumference of each pulley (2d). The guiding and supporting device can simplify process for installing the battery pack into or taking the battery pack out of the battery box to allow the assembly of the battery pack to be more convenient and save power, facilitates rapid installation and maintenance, and has instructive significance for engineering and mass production.

The invention discloses an integrated electronic parking brake, and belongs to the technical field of automobile accessories. The brake comprises a brake pad, a fixed caliper body sheet A and a fixedcaliper body sheet B. The brake pads are arranged on the inner surfaces of the fixed caliper body sheet A and the fixed caliper body sheet B. The brake is characterized in that the middle parts of thefixed clamp body sheet A and the fixed clamp body sheet B are concave. Brake pistons for pushing the brake pads are arranged on the two sides of the concave shape. A guide supporting rod is arrangedat the top of the fixed caliper body piece A and the top of the fixed caliper body piece B, the guide supporting rod is fixedly connected with a floating caliper. The floating caliper comprises an executing mechanism caliper body and a floating caliper body fixing split body, and the executing mechanism caliper body is provided with a piston assembly used for pushing a brake pad to conduct braking. The two-in-one design implements the dual functions of braking and parking, the weight is correspondingly optimized, the design is novel, the assembly is labor-saving, the cost is saved, the brakingefficiency is improved, the defects of the existing braking system on the market are fully overcome, and the market prospect is wide.

The invention provides an air tightness detection device for a sealing piece. The device comprises a sealing unit which comprises a mounting table and a pressing mechanism, wherein the mounting tableis provided with a plugging head, when the sealing piece is located on the mounting table, the plugging head can be embedded into an opening of the sealing piece to block the opening, and the pressingmechanism is used for being matched with the sealing piece in an abutting mode and pressing a part around the opening of the sealing piece on the plugging head. The device further comprises an air supply unit which is provided with an air supply pipe, air can be output along the air supply pipe when the air supply unit is started, the air supply pipe is used for being connected with the mountingtable or the sealing piece, when the sealing unit and the sealing piece are assembled, and the air supply pipe, the sealing unit and the sealing piece define a closed containing cavity. According to the detection device provided by the scheme, when the sealing piece is assembled with the detection device, the sealing piece and the detection device can form the tightly-sealed closed containing cavity, air can be supplied into the closed containing cavity so as to realize the detection of sand holes of the sealing piece in an air tightness detection mode, the risks of false detection and missingdetection are small, the sealing unit and the sealing piece are very simple and convenient to assemble and disassemble, and the detection cost is low.

The invention relates to a frame of a motorcycle, which comprises a vertical pipe, a big left plate, a big right plate, a big left plate body, a big right plate body, an upper left pipe, an upper right pipe, a left stay pipe, a right stay pipe, and an inclined support pipe of an engine, wherein the front ends of the big left plate and the big right plate are connected with the vertical pipe, and the back ends are respectively and correspondingly connected to the middle parts of the big left plate body and the big right plate body; the upper left pipe and the upper right pipe are connected with the left stay pipe and the right stay pipe at the back ends, and the front ends of the upper left pipe and the upper right pipe as well as the left stay pipe and the right stay pipe are connected with the upper parts of the big left plate body and the big right plate body; the outside surfaces of the big left plate, the big right plate as well as the big left plate body and the right plate body are provided with ribs longitudinally extending along the big left plate and the big right plate, and the surfaces outside the ribs are in smooth transition at the rib positions; the upper parts of the big left plate body and the big right plate body are inwards bent in an arc. Compared with a frame of the similar racing-car type ride-motorcycle, the invention has the advantages of high strength, good riding comfort, convenience and labour saving of engine assembly. The frame of a motorcycle is coordinate with the streamline style of the whole motorcycle, which is good for enhancing the appearance of the whole motorcycle.

The invention relates to the technical field of air vehicles, and discloses a miniature helicopter undercarriage. The miniature helicopter undercarriage comprises two supporting feet arranged in parallel. Each supporting foot is provided with a supporting rod inclined at a set angle relative to the supporting foot. The miniature helicopter undercarriage further comprises transverse rods connected with the supporting rods, and the transverse rods are connected with the supporting feet through transition rods. An installation base for installing a helicopter base is arranged between the supporting rods. A supporting frame is arranged below the installation base and provided with a supporting structure. According to the miniature helicopter undercarriage, the transverse rods and the transition rods are arranged on the supporting feet, the impact resistant capacity of the supporting feet during landing is greatly improved, damage, caused by impacting, to a helicopter during landing is avoided, and the service life is effectively prolonged; the supporting structure is arranged, the impact resistance of the undercarriage is further improved, and the stability of a helicopter body in the flying process is improved; the undercarriage and the helicopter base are installed together, time and labor are saved in the assembling process, and meanwhile the whole helicopter body structure is compact.

The invention relates to a leaf spring trailer. The leaf spring trailer is characterized by comprising a low-position conveyor (1), a support (2) is connected to a carrier platform (1a) of the low-position conveyor (1), and clamping grooves (3) for carrying a leaf spring (4) are formed in the upper end of the support (2). The leaf spring trailer has the advantages that the leaf spring trailer is small in size, good in university and capable of being used for carrying leaf springs of various types, due to the fact that the carrier platform can ascend and descend, labor can be saved when the leaf spring is assembled or disassembled, the carrier platform can serve as a fixing support, and the safety of operating personnel in the working process is ensured.

The invention discloses a large-section connecting structure and tool for a supercavitation high-speed navigation test prototype, and belongs to the technical field of underwater vehicle high-speed navigation tests. The connecting structure is a straight cylinder with two open ends, the peripheral surface of the connecting structure is of a stepped structure in the axial direction, and the outer diameters of the two ends are smaller than the outer diameter of the middle. Reverse threads are arranged at the two ends of the peripheral face, the left-hand thread end is connected with the front cabin section, the right-hand thread end is connected with the rear cabin section, and synchronous screwing of the front cabin section and the rear cabin section is achieved. A step surface of the peripheral surface is a spigot matching surface and is used for axially limiting when the front cabin section and the rear cabin section are screwed; a plurality of fastening threaded holes are formed in the thread roots of the two ends of the connecting structure in the circumferential direction, and fastening screws penetrate through the through holes in the circumferential walls of the front cabin section and the rear cabin section in the radial direction of the connecting structure to be screwed into the fastening threaded holes. According to the connecting structure, through reverse threaded connection, the reliability of connection is improved, the water tightness of the aircraft is ensured, and the influence of the severe working environment of the aircraft in the test on the aircraft and the phenomenon of cable winding in the aircraft assembling process are eliminated.

The invention discloses an ecological floating plate for city river wastewater treatment. The ecological floating plate comprises a floating plate body, wherein the floating plate body comprises a main base plate and a supporting bottom plate, the main base plate comprises a main fixing block and four auxiliary fixing blocks, the four auxiliary fixing blocks are evenly distributed on the circumferential outer side of the main fixing block in the circumferential direction, and are fixedly connected with the main fixing block through connecting rods, and the supporting bottom plate is composed of four supporting strips in an encircling manner. The construction method includes the following steps of (1) construction preparing; (2) floating plate body preparing and assembling; (3) floating plate body assembling; (4) vegetation placing; (5) regular checking and maintaining. The ecological floating plate is simple and reasonable in whole structural design, attractive in shape and rapid and convenient to construct and assemble; by designing the main base plate and the supporting bottom plate, the whole structural strength of the floating plate body is effectively improved, the assembled ecological floating plate is more stable in structure accordingly, the stability of planting pots on the ecological floating plate is improved, and the planting pots are not prone to lateral turning under impacting of river water.

The invention discloses an assembling method for a backswing starting mechanism of a motorcycle. An assembling assistive device which comprises a connecting plate, a connecting rod, a handle and two torsional spring pressing pins is adopted in the method. The assembling method comprises steps of: mounting a starting gear assembly, a hinge pin, a bushing, a torsional spring and a backswing starting shaft combination and the like on a left crankshaft box cover; then pressing the torsional spring by the assembling assistive device to assemble the backswing starting shaft combination with the starting gear combination in an engaging way; and finally mounting a gasket and a check ring, so as to accomplish the assembling of the whole backswing starting mechanism. According to the assembling method, the special assembling assistive device is designed for providing assistance in mounting, so that the torsional spring can be easier and safer to be compressed and reversed, the force is convenient to exert, and the balance in force exerting can be ensured, and the backswing starting shaft combination and the starting gear combination are convenient to be kept in the initial engaging state; and through the assembling method, the torsional spring is prevented from rebounding to injure people during be mounting, the mounting can be conveniently and quickly carried out with less force, the safety of the torsional spring in mounting is ensured, and the production efficiency is increased.

The invention discloses a crane wheel bearing pressing-in device which comprises a machine frame. The machine frame is of a door-shaped framework composed of an upper beam and side beams. A disc capable of bearing a hydraulic device is fixed to the center of the upper beam of the framework through a bolt. A positioning device and a base plate of a moving part are fixed to the foundation face inside the door-shaped framework. The hydraulic device is composed of a hydraulic cylinder, a hydraulic rod and a cylindrical pressing head. The positioning device is formed by a rectangular steel plate. An inverted-V-shaped gap is formed inside the steel plate. The base plate is a solid circular steel plate. A handle is welded to the outer circumferential wall of the steel plate. The rod wall of the hydraulic rod is wrapped by the cylindrical pressing head. A hole for assembling the hydraulic rod is drilled in the center of the cylindrical pressing head, and the hydraulic rod is in interference fit with the cylindrical pressing head. According to the technical scheme, hydraulic pressure is adopted as power to press a bearing into a wheel, a protective device is arranged to protect the bearing against damage, assembly is fast carried out in an effortless mode, the quality is ensured, and therefore production efficiency is improved.

The invention provides an optical glass component applied to a smart camera, and aims to assemble the component in a trouble-saving and labor-saving way, lower the cost of the optical glass componentand ensure a good application effect on a corresponding smart camera. The optical glass component comprises glass, wherein the front side of the glass is covered with a front-side protection film; a composite layer formed by combining graphite and glue is attached to the back side of the glass; the composite layer is prepared from graphite on an inner ring portion and glue on an outer ring portion; a viewing window region of the graphite corresponding to the glass is of a central avoiding hole structure; the back sides of the graphite and the glue are compounded on a corresponding release film; the front side of the glue is attached to a corresponding position on the outer ring portion of the back side of the glass; an avoiding through hole is formed at a position corresponding to the viewing window region on the release film; and a viewing window protection film is attached to the periphery of the back side of the avoiding through hole of the release film.

The invention discloses a freely spliced cupboard. The freely spliced cupboard comprises reference plates, first connecting pieces and first fastening devices, wherein a plurality of first opening clamping grooves extending along the length direction are formed in one side of each reference plate; a necking structure is formed at an opening part of each first opening clamping groove; each first connecting piece is of an L-shaped structure; two ends, perpendicular to each other, of each first connecting piece is slidably inserted into the first opening clamping grooves in the corresponding two reference plates respectively; each first fastening device can be used for keeping fixed connection between the corresponding first connecting piece and the first opening clamping grooves in the corresponding reference plates. The cupboard can be freely spliced and transformed randomly at any time as required, is convenient to splice, labor-saving, simple in structure, attractive and low in cost, and can be spliced without a professional, finished reference plate and connecting piece products can be directly purchased and freely assembled at home, and the situation that formaldehyde is difficult to dissipate within a long time is avoided.

The invention relates to a dispensing table for a rear axle assembly of an electric vehicle. The dispensing table for the rear axle assembly of the electric vehicle comprises a main body platform, movable supporting racks and a lifting supporting column, wherein each movable supporting rack comprises a sliding block and a slide track; the slide tracks are fixed on the main body platform; each sliding block can horizontally move in the corresponding slide track; and the bottom of the lifting supporting column is fixed on the main body platform. Various adjustable mechanisms such as the movable supporting racks and the lifting supporting column are arranged on the surface of the main body platform, so that the position and the height of a rear axle sub assembly are adjusted; requirements on assembly and use of vehicles in various types and various products can be met; and the dispensing table is wide in application range and high in universality.

The invention discloses a rubber roller bearing assembly machine, wherein a rotating chute used for fixing the rubber roller can be positioned on a working platform in a straight-line sliding manner; a first jacking rod and a second jacking rod are coaxially positioned at the two ends of the rotating chute in the axial direction; the first jacking rod is driven by a driving device to slide toward the second jacking rod to reduce the distance between the first jacking rod and the second jacking rod; the first jacking rod and the second jacking rod coaxially correspond to the rotating chute; a workpiece support frame is fixed on the working platform; a fixing device used for fixing the rubber roller is arranged on the workpiece support frame; two quick pressing devices are respectively, symmetrically and fixedly positioned at the two ends of the workpiece support frame in the axial direction; a pressure head is detachably arranged on each of the opposite sides of the quick pressing devices; and the pressure head can be driven by the quick pressing devices to slide linearly in the axial direction of the rubber roller on the workpiece support frame. The rubber roller bearing assembly machine has the benefits that the structure is simple, the assembly is labor-saving, processing and manufacturing are facilitated, the required accuracy is easily ensured, the accuracy of the assembling process is high, and bearings are prevented from being damaged.

The invention relates to a connector module which is applicable to a memory module, wherein each of two opposite ends of the memory module is provided with at least a concave part; and the memory module comprises at least a connector, two limit pieces and two buckling mechanisms; the connector is provided with a slot suitable to be inserted in the memory module. The limit pieces are connected with the connector, and the buckling mechanisms respectively form hinge joint with two opposite ends of the connector. Each buckling mechanism is provided with a limit rod and at least a positioning rod. When the limit rods are buckled with the limit pieces, the positioning rod abuts on the concave parts to keep the memory module in the slot.

The invention discloses a assembling tool of illuminating source component and its assembling process comprising illuminating source component mounted in mounting frame which comprises clintheriform cardinal plate and fixing flat structure outspreading from side of cardinal plate. Meanwhile, the invention also discloses a method for assembling the illuminating source components applying for the assembling tool comprising: illuminating source spacing is inserted by the fixing flat structure of assembling tool, flexible encapsulation strap in the illuminating source spacing is pressed to prevent the flexible encapsulation strap from warping. The illuminating source components and assembling tools are mounted in open of mounting frame, then the assembling tool is shifted out from the mounting frame. Thereby, the problems such as the flexible encapsulation strap warping and illuminating source welding spot falling-off on illuminating source component of LCD device are solved and assembling becomes more accurate and more labor-saving.

The invention discloses a torsional spring dismounting auxiliary tool which is characterized by comprising a connecting plate, a handle and a connecting rod. The connecting plate is an arc-shaped plate. The connecting rod is vertically fixed on a middle position of the connecting plate. The handle is in a long-bar shape. The middle of the handle is vertically fixed on an end portion of one end of the connecting rod, and the end of the connecting rod is far away from the connecting plate. Two torsional spring pressing pins are vertically fixed at two ends of the connecting plate along a direction which deviates from the connecting rod. The two torsional spring pressing pins are symmetrically arranged, and limit pillar holes are formed in the bottom of one end of each torsional spring pressing pin in a coaxial mode, and the end of the torsional spring pressing pin is far away from the connecting rod. A corresponding positional relation of the connecting rod and the two torsional spring pressing pins matches with a positional relation of a position where is symmetrical to a side edge of a fan-shaped gear which is provided with a starting shaft of a motorbike backswing start mechanism and a torsional spring limited post and another side edge of the fan-shaped gear. The torsional spring dismounting auxiliary tool enables the assembling of the torsion spring of the motorbike backswing start mechanism to be convenient, rapid, labor-saving and safe.

The invention relates to a pot support for a cooker. The pot support comprises a base. Foot pads are arranged on the lower surface of the base. The pot support is characterized in that blind holes are formed in the lower surface of the base, the foot pads are contained in the blind holes, and locating parts used for locating the foot pads are arranged in the blind holes. Preferably, each locating part is of a ring structure and is in interference fit with the corresponding blind hole. Metal parts are adopted as the locating parts. Compared with the prior art, the blind holes are formed in the lower surface of the base of the pot support for the cooker, the locating parts are adopted for limiting the foot pads into the blind holes, and the foot pads are located firmly, do not slide due to external force, and support balance of the base and a pot on the foot pads. In the preferable scheme, the deformable metal parts are adopted as the locating parts, assembling is convenient and labor-saving, heat can be transferred to the base, the situation that the foot pads are aged due to excessive heating is avoided, and the service life of the foot pads is prolonged.

The invention discloses a relay. The relay comprises a coil frame, a mounting rack, lead pins and lead tabs; the mounting rack is arranged on the coil frame, lead pin jacks are formed in the lateral surface of the mounting rack, lead tab jacks are formed in the top surface of the mounting rack, and the lead pin jacks are communicated with the lead tab jacks; the lead pins are partially inserted into the lead pin jacks respectively; and the lead tabs include insertion portions, first clamp connection grooves are formed in the middle portions of the insertion portions respectively, the insertion portions are inserted into the lead tab jacks respectively, and the lead pins are clamped by the first clamp connection grooves. The lead pins and the lead tabs are connected to a coil in the clamped manner, welding is not needed, and the problem of incomplete soldering is fundamentally solved.

The invention discloses a base of a combined electrical box body, which comprises four identical side connecting plates (1) and is characterized in that each side connecting plate (1) comprises a main panel (1.1) and a head side flange (1.2), the head side flange (1.2) is provided with limiting raised bars (2), the head side flange (1.2) is provided with a first screw slot (3), and the reverse side of the main panel (1.1) is provided with limiting insertion slots (4) and a threaded hole (6); the four side connecting plates (1) are connected end to end to form a closed frame, the limiting raised bars (2) at the head end of each side connecting plate (1) are inserted into the limiting insertion slots (4) at the tail side of the last side connecting plate (1), and the head end of each side connecting plate (1) is fixed with the tail side of the last side connecting plate (1) through a screw which penetrates through the first screw slot (3) of the side connecting plate (1) and screwed into the threaded hole (6) of the last side connecting plate (1). The base disclosed by the invention is simple in structure, convenient to in assembly, low in mold opening cost and good in strength.

The invention discloses a detachable chair leg which comprises a connecting seat and a plurality of supporting legs radially arranged on the connecting seat, and the connecting seat comprises mounting parts uniformly arranged at intervals in the circumferential direction; each supporting leg comprises an access part located at the end; the access part is mounted in the mounting part, and the supporting legs are detachably connected to the connecting seat; an insertion rotating structure and a fixed limiting structure are arranged between the access part and the mounting part, and the insertion rotating structure is configured to enable the access part and the mounting part to be matched in an insertion manner and rotationally connected; the fixed limiting structure is configured to relatively fix the access part and the mounting part and prevent the access part and the mounting part from being separated; compared with the prior art, the connecting seatand the supporting leg are inserted through the insertion rotating structure and are in rotating fit, then the supporting leg is rotated till the fixing limiting structure enables the connecting seat and the supporting leg to be relatively fixed, and assembling is easy and convenient; the shape of the connecting seat is not limited, and the number of the supporting legs can be selected at will as long as the supporting legs are detachably connected with the connecting seat and the seat can be stably supported.

The invention provides a cable-connected water interception buoy, and relates to the field of navigation buoys. The cable-connected water interception buoy comprises a buoy body, a filling hole is formed in one end of the buoy body and provided with a sealing cover, a sleeve penetrating through the two ends of the buoy body is arranged at the center of the buoy body, connecting discs are fixed tothe two ends of the sleeve correspondingly, the outer sides of the connecting discs are in sealed connection with the buoy body, the centers of the connecting discs are rotationally connected with theouter side of a connecting pipe, and cable clamps are fixed to the two ends of the connecting pipe correspondingly. According to the cable-connected water interception buoy, part of water wave impactforce is offset, thus tension of a cable is decreased, and the service life of the cable is prolonged; sealing pads are arranged between the connecting discs and the buoy body, thus the situation that due to mutual friction between the connecting discs and the buoy body, the buoy body is damaged can be avoided, and the buoy body is effectively protected; and through connection between connectingplates and clamping rings, the buoy body and the cable are fixed more easily and more conveniently, through clamped connection between clamping blocks and clamping grooves in the clamping rings, the cable and the cable clamps are kept in a fixed state, and the more labor-saving effect is achieved during assembly.

The invention relates to the technical field of vacuum blood collection, in particular to a loaded slope-expansion-type cap plug fastening mechanism comprising a fastening cap, a splash-proof cap, clamping rings, a rubber plug, pressure cylinders, expansion wings and a test tube, wherein a pair of expansion wings with slopes is arranged at the upper end of the rubber plug; the two expansion wings and the rubber plug are made of butyl rubber and are integrated; the fastening cap is a rotation body with an axial section in the shape of a pair of n; the outer side wall of the fastening cap is sleeved on the outer side wall of the splash-proof cap and is combined with the outer side wall of the splash-proof cap through screw threads; the pressure cylinders pass through round holes in the top of the splash-proof cap; and the bottom ends of the pressure cylinders are pressed on the slopes of two expansion wings. According to the invention, the splash-proof cap and the rubber plug are locked in an axial direction, and the defects of easy sliding of the existing splash-proof cap and rubber plug are overcame. Meanwhile, the loading type slope-expansion-type cap plug fastening mechanism has the advantage of simplicity and convenience in assembling.