CN213711720U - Vehicle shock absorber - Google Patents

Abstract

The utility model discloses an automobile-used bumper shock absorber, including the compression pole, the last shock attenuation board of compression pole up end fixed connection, go up the last connecting rod of shock attenuation board up end fixed connection, go up connecting rod up end fixed connection go up the go-between, the compression pole is terminal surface fixed connection rubber buffer down, the outside cover of compression pole is equipped with the urceolus, all set up the inside groove on inner wall and the both sides inner wall around the urceolus, four all be provided with the lead screw in the middle of the inside groove, four both ends difference fixed connection word damping pivot and next word damping pivot, four about the lead screw go up word damping pivot and four next word damping pivots respectively fixed connection on the lower terminal surface and the up end of four inside grooves, four equal threaded sleeve connects sliding workbench on the lead screw. The utility model discloses an automobile-used bumper shock absorber, this bumper shock absorber can effectively reduce the automobile body because of the violent unsteady of jolting production, guarantees to drive the comfort.

Description

Vehicle shock absorber

Technical Field

The utility model relates to a bumper shock absorber field especially relates to an automobile-used bumper shock absorber.

Background

The shock Absorber (Absorber) is used to suppress the shock when the spring absorbs the shock and then rebounds and the impact from the road surface. The damping device is widely applied to automobiles and is used for accelerating the attenuation of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobiles. When the shock absorber passes through the uneven road surface, although the shock absorbing spring can filter the shock of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

The existing vehicle shock absorber is unstable in shock absorption effect, easily causes the situation of overlarge or undersize elasticity, easily causes vehicle body jolt during use, and cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a shock absorber for a vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a shock absorber for a vehicle comprises a compression rod, wherein the upper end face of the compression rod is fixedly connected with an upper shock absorption plate, the upper end face of the upper shock absorption plate is fixedly connected with an upper connecting rod, the upper end face of the upper connecting rod is fixedly connected with an upper connecting ring, the lower end face of the compression rod is fixedly connected with a rubber plug, an outer barrel is sleeved outside the compression rod, inner grooves are formed in the front inner wall, the rear inner wall and the inner walls at two sides of the outer barrel, a screw rod is arranged in the middle of each inner groove, the upper end and the lower end of each screw rod are respectively fixedly connected with an upper damping rotating shaft and a lower damping rotating shaft, the upper damping rotating shafts and the lower damping rotating shafts are respectively fixedly connected with the lower end face and the upper end face of the four inner grooves, a sliding workbench is sleeved on the screw rod through uniform threads, the four sliding workbench is fixedly, the damping plate is characterized in that a damping spring is sleeved on the outer wall of the outer barrel, an upper spring pad and a lower spring pad are fixedly connected to the upper end and the lower end of the damping spring respectively, the upper end face of the upper spring pad is fixedly connected to the lower end face of the upper damping plate, the lower spring pad is slidably sleeved on the outer wall of the outer barrel, an adjusting nut and a fixing nut are sleeved on the external thread in a threaded manner, the lower end face of the outer barrel is fixedly connected to the lower damping plate, the lower end face of the lower damping plate is fixedly connected to the lower connecting rod, and the lower end face of the.

As a further description of the above technical solution:

the adjusting nut is arranged above the fixing nut, and the lower end face of the lower spring pad is attached to the upper end face of the adjusting nut.

As a further description of the above technical solution:

a cavity is formed between the rubber plug and the bottom of the outer barrel, and hydraulic oil is filled in the cavity.

As a further description of the above technical solution:

the four screw rods are all parallel to the compression rod.

As a further description of the above technical solution:

the rubber plug is made of ethylene propylene rubber.

As a further description of the above technical solution:

a plurality of small gaps are formed in two sides of the bottom of the cavity.

The utility model discloses following beneficial effect has:

the utility model provides a pair of automobile-used bumper shock absorber, position relation through adjusting nut and fixation nut, can change the compression pole atress condition under the natural state, when upwards adjusting two nuts, damping spring is because the influence that receives the extrusion force, can give an ascending power of compression pole self, and the atress size is variable, the lead screw that urceolus inner wall the inside set up also can turn into the damping force with the power part of compression pole motion in the upper and lower direction, and then reduce the motion by a wide margin of compression pole in the vertical direction, the vibration range that can effectively change the automobile body and receive when the motion avoids the automobile body to rock on the way of jolting, lead to the automobile body unstability.

Drawings

Fig. 1 is a front view of a shock absorber for a vehicle according to the present invention;

fig. 2 is a cross-sectional view of a shock absorber for a vehicle according to the present invention;

fig. 3 is the utility model provides a cross-sectional view above the rubber buffer of automobile-used bumper shock absorber.

Illustration of the drawings:

1. an upper connecting ring; 2. a lower connecting ring; 3. an upper connecting rod; 4. a lower connecting rod; 5. an upper damping plate; 6. A lower damping plate; 7. a damping spring; 8. an upper spring pad; 9. a lower spring pad; 10. a compression rod; 11. adjusting the nut; 12. fixing a nut; 13. an external thread; 14. an outer cylinder; 15. a rubber plug; 16. a screw rod; 17. An inner tank; 18. a next-word damping rotating shaft; 19. hydraulic oil; 20. a straight damping rotating shaft; 21. fine gaps; 22. a cavity; 23. and a sliding worktable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a shock absorber for a vehicle comprises a compression rod 10, wherein the upper end surface of the compression rod 10 is fixedly connected with an upper shock absorption plate 5, the upper end surface of the upper shock absorption plate 5 is fixedly connected with an upper connecting rod 3, the upper end surface of the upper connecting rod 3 is fixedly connected with an upper connecting ring 1, the lower end surface of the compression rod 10 is fixedly connected with a rubber plug 15, rubber and metal have good sealing characteristics, an outer cylinder 14 is sleeved outside the compression rod 10, inner grooves 17 are respectively formed in the front inner wall, the rear inner wall and the inner walls on two sides of the outer cylinder 14, screw rods 16 are respectively arranged in the middle of the four inner grooves 17, an upper linear damping rotating shaft 20 and a lower linear damping rotating shaft 18 are respectively and fixedly connected to the upper end surface and the lower end surface of the four inner grooves 17, sliding workbenches 23 are respectively sleeved on the four screw rods 16 in a threaded manner, one side wall of the four sliding workbenches 23 is fixedly connected, outer cylinder 14 has been seted up on being close to the upper end outer wall external screw thread 13, the cover is equipped with damping spring 7 on the outer wall of outer cylinder 14, damping spring 7 is last both ends respectively fixed connection go up spring pad 8 and spring pad 9 down, go up spring pad 8 up end fixed connection on the lower terminal surface of last shock attenuation board 5, lower spring pad 9 slip cover is established on the outer wall of outer cylinder 14, adjusting nut 11 and fixation nut 12 have been cup jointed to the screw thread on the outer screw thread 13, adjust damping spring 7's flexible degree through adjusting nut 11, rethread fixation nut 12 fixes adjusting nut 11's position, damping plate 6 under the lower terminal surface fixed connection of outer cylinder 14, connecting rod 4 under the lower terminal surface fixed connection of lower damping plate 6, go up ring 2 under the lower terminal surface fixed connection of connecting rod 4, connect automobile body itself through last go up go.

Adjusting nut 11 is in fixation nut 12's top, and lower terminal surface subsides of spring pad 9 and the up end at adjusting nut 11 down, is equipped with cavity 22 between rubber buffer 15 and urceolus 14 bottom, fill hydraulic oil 19 in the cavity 22, when rubber buffer 15 rises or pushes down, 19 molecules of hydraulic oil will move and produce the damping force, make compression rod 10 with relative less range up-and-down motion, prevent that compression rod 10 breaks away from urceolus 14, four lead screws 16 all are parallel with compression rod 10, can guarantee the atress the same on four lead screws 16 when compression rod 10 moves up-and-down, the material that rubber buffer 15 used is ethylene propylene rubber, this kind of rubber has corrosion resistance, convenient and safe is got up in heat resistance and the high fillibility of low density, a plurality of tiny gaps 21 are seted up to cavity 22's bottom both sides, prevent to warp because the pipe that external force leads.

The working principle is as follows: when in use, the nut is properly rotated to adjust the stress of the compression rod 10 to be uniform, then the compression rod is installed for use, when the compression rod is pressed from the upper end, the upper damping plate 5 drives the damping spring 7 and the compression rod 10 to be pressed downwards, meanwhile, the rubber plug 15 at the bottom of the compression rod 10 compresses the hydraulic oil 19, so that the hydraulic oil enters the tiny gap 21 at the bottom, liquid molecules will vibrate during the movement process to generate damping force, at the same time, the screw rods 16 on both sides of the compression rod 10 rotate to remove part of the pressure and convert the pressure into damping force, the continuous pressing of the vehicle body is reduced, then the compression rod 10 moves upwards due to the pulling back of the damping spring 7, the hydraulic oil 19 flows back to the cavity 22 again through the small gap 21, the vibration is continued to generate damping force during the movement, and meanwhile, the screw rod 16 moves towards the opposite direction to remove part of tensile force again and convert the tensile force into the damping force so as to avoid the upward large-amplitude rebound of the vehicle body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A shock absorber for a vehicle, comprising a compression rod (10), characterized in that: the compression pole (10) up end fixed connection goes up shock attenuation board (5), go up shock attenuation board (5) up end fixed connection and go up connecting rod (3), go up connecting rod (3) up end fixed connection go up go-between (1), terminal surface fixed connection rubber buffer (15) under compression pole (10), compression pole (10) outside cover is equipped with urceolus (14), all set up inside groove (17) on inner wall and the both sides inner wall around urceolus (14), four all be provided with lead screw (16) in the middle of inside groove (17), four lead screw (16) upper and lower both ends are fixed connection respectively go up word damping pivot (20) and next word damping pivot (18), four go up word damping pivot (20) and four next word damping pivot (18) respectively fixed connection on the lower terminal surface and the up end of four inside grooves (17), four equal threaded sleeve joint slip workstation (23) on lead screw (16), one side wall of each of the four sliding workbenches (23) is fixedly connected with a compression rod (10), an external thread (13) is arranged on the outer wall of the outer cylinder (14) close to the upper end, a damping spring (7) is sleeved on the outer wall of the outer cylinder (14), the upper end and the lower end of the damping spring (7) are respectively and fixedly connected with an upper spring cushion (8) and a lower spring cushion (9), the upper end surface of the upper spring cushion (8) is fixedly connected on the lower end surface of the upper damping plate (5), the lower spring pad (9) is sleeved on the outer wall of the outer cylinder (14) in a sliding manner, the adjusting nut (11) and the fixing nut (12) are sleeved on the external thread (13) in a threaded manner, the lower end surface of the outer cylinder (14) is fixedly connected with a lower damping plate (6), the lower end surface of the lower damping plate (6) is fixedly connected with a lower connecting rod (4), the lower end face of the lower connecting rod (4) is fixedly connected with the lower connecting ring (2).

2. The vehicular shock absorber according to claim 1, wherein: the adjusting nut (11) is arranged above the fixing nut (12), and the lower end face of the lower spring pad (9) is attached to the upper end face of the adjusting nut (11).

3. The vehicular shock absorber according to claim 1, wherein: be equipped with cavity (22) between rubber buffer (15) and urceolus (14) bottom, pack hydraulic oil (19) in cavity (22).

4. The vehicular shock absorber according to claim 1, wherein: the four screw rods (16) are all parallel to the compression rod (10).

5. The vehicular shock absorber according to claim 1, wherein: the rubber plug (15) is made of ethylene propylene rubber.

6. A vehicular shock absorber according to claim 3, wherein: a plurality of small gaps (21) are formed in two sides of the bottom of the cavity (22).

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