CN216519374U

CN216519374U - Buffer structure on shock absorber connecting rod

Info

Publication number: CN216519374U
Application number: CN202122836540.1U
Authority: CN
Inventors: 谢志卫
Original assignee: Wuxi Zhongya Absorber Co ltd
Current assignee: Wuxi Zhongya Absorber Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-13
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of shock absorbers and discloses a buffer structure on a shock absorber connecting rod. Buffer structure on this bumper shock absorber connecting rod, when whole pressure-bearing, the second fixing base pressure-bearing is downward, make the connecting rod descend simultaneously, make the vice interior rotation of axle of ball nut when the screwed part is vice through ball nut, thereby the wire rope of connecting on it follows the rotation, make wire rope use the connecting rod to take place the winding as the center, can set up the bounce that provides continuous promotion and prevent interior rotation of axle to the certain degree when wire rope twines, thereby make the connecting rod descend, supplementary shock attenuation, when pressure disappears, wire rope's counterforce makes the vice interior rotation of axle of ball nut of seting up, make the connecting rod rise, the counterforce that along with wire rope provides weakens gradually, the connecting rod keeps steadily rising under the bumper shock absorber effect, thereby replace the cooperation bumper shock absorber that the spring also can be fine.

Description

Buffer structure on shock absorber connecting rod

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a buffer structure on a shock absorber connecting rod.

Background

The shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and the impact from the road surface. The damping device is widely applied to automobiles and aims to accelerate the damping of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobile. When the road surface is uneven, although the shock-absorbing spring can filter the vibration of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

General shock absorber connecting rod outside can practical bush, carries out dustproof guard action, and later outside cup joints damping spring and is used for the buffering, and is higher to the requirement of spring, and the damping coefficient who provides also has certain standard to go the collocation bumper shock absorber, if do not have suitable spring just hardly to make good damping device, should appear a structure that can replace the spring and provide new thinking.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a buffering structure on a connecting rod of a shock absorber, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a buffer structure on a connecting rod of a shock absorber comprises the shock absorber, a connecting plate is fixedly connected to the top of the shock absorber, a connecting shell is fixedly connected to the top of the connecting plate, a connecting rod is arranged in the connecting shell, a shock pad is arranged at the top of an outer ring of the connecting rod, threads are arranged at the top of the outer ring of the connecting rod, a first fixed seat is fixedly connected to the top of the connecting shell, a second fixed seat is fixedly connected to the top of the connecting rod, a first connecting ring is fixedly connected to the bottom of the shock absorber, a second connecting ring is fixedly connected to the top of the second fixed seat, a buffer mechanism is arranged at the top of the first fixed seat, the buffer mechanism comprises a ball nut pair, a first connecting clamp, a steel wire rope and a second connecting clamp, the outer ring of the ball nut pair is fixedly connected to the inner ring at the top of the first fixed seat, the first connecting clamp is fixedly connected to the top of the inner shaft of the ball nut pair, the steel wire rope is fixedly connected to the first connecting clamp, and the second connecting clamp is fixedly connected to the bottom of the second fixed seat.

Preferably, the top end of the steel wire rope is fixedly connected to the bottom end of the second connecting clamp, so that the steel wire rope is tightened.

Preferably, the center of the connecting plate is provided with a hole, the connecting rod is inserted into the connecting plate, and a sealing rubber pad is arranged at the joint, so that the connecting rod can stretch conveniently.

Preferably, the thread extends from the shock pad to the top of the first fixed seat from top to bottom, so that only the thread-free part enters the shock absorber when the connecting rod is pressed downwards.

Preferably, the inner ring of the ball nut pair is in threaded connection with the top of the outer ring of the connecting rod, so that the inner shaft of the ball nut pair can rotate when the connecting rod is pressed downwards.

Preferably, balls are provided between the outer race and the inner shaft of the ball nut pair so that the inner shaft of the ball nut pair can rotate.

Preferably, the first connecting clamp and the second connecting clamp are vertically corresponding in distribution position, and the steel wire rope keeps a tightened state, so that the whole stability is facilitated.

Compared with the prior art, the utility model provides a buffer structure on a connecting rod of a shock absorber, which has the following beneficial effects:

1. buffer structure on this bumper shock absorber connecting rod, when whole pressure-bearing, the second fixing base pressure-bearing is downward, make the connecting rod descend simultaneously, make the vice interior rotation of axle of ball nut when the screwed part is vice through ball nut, thereby the wire rope of connecting on it follows the rotation, make wire rope take place the winding with the connecting rod as the center, can set up the bounce that provides continuous promotion when wire rope twines the certain degree and stop interior rotation of axle, thereby make the connecting rod descend, supplementary shock attenuation, when pressure disappears, wire rope's counterforce makes the vice interior rotation of axle of ball nut, make the connecting rod rise, the counterforce that provides along with wire rope weakens gradually, the connecting rod keeps steadily rising under the bumper shock absorber effect, thereby replace the cooperation bumper shock absorber that the spring also can be fine.

2. This buffer structure on bumper shock absorber connecting rod, owing to be provided with first connecting clip and second connecting clip and make when wire rope goes wrong and need change, only need take off the first connecting clip and the second connecting clip that the wire rope that goes wrong connected and can change, very convenient also easily clearance.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic top view of the first fixing base.

In the figure: 1. a shock absorber; 2. a connecting plate; 301. a connecting rod; 302. a thread; 303. a shock pad; 4. a connecting shell; 5. a first fixed seat; 6. a buffer mechanism; 601. a ball nut pair; 602. a first connection card; 603. a wire rope; 604. a second connection card; 7. a second fixed seat; 8. a first connecting ring; 9. a second connecting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a buffer structure on a shock absorber connecting rod comprises a shock absorber 1, a connecting plate 2 is fixedly connected to the top of the shock absorber 1, a hole is formed in the center of the connecting plate 2, a connecting rod 301 is inserted into the connecting plate 2, a sealing rubber pad is arranged at the joint to facilitate the extension and contraction of the connecting rod 301, a connecting shell 4 is fixedly connected to the top of the connecting plate 2, a connecting rod 301 is arranged in the connecting shell 4, a shock absorbing pad 303 is arranged at the top of the outer ring of the connecting rod 301, a thread 302 is arranged at the top of the outer ring of the connecting rod 301 and extends from the shock absorbing pad 303 to the top of a first fixing seat 5 from top to bottom, only the thread-free 302 enters the shock absorber 1 when the connecting rod 301 is pressed down, a first fixing seat 5 is fixedly connected to the top of the connecting shell 4, a second fixing seat 7 is fixedly connected to the top of the connecting rod 301, a first connecting ring 8 is fixedly connected to the bottom of the shock absorber 1, a second connecting ring 9 is fixedly connected to the top of the second fixing seat 7, the top of the first fixing seat 5 is provided with a buffer mechanism 6, the buffer mechanism 6 comprises a ball nut pair 601, a first connecting clip 602, a steel wire rope 603 and a second connecting clip 604, an outer ring of the ball nut pair 601 is fixedly connected with an inner ring at the top of the first fixing seat 5, the inner ring of the ball nut pair 601 is in threaded connection with the top of an outer ring of the connecting rod 301, when the connecting rod 301 is pressed down, balls are arranged between the outer ring and an inner shaft of the ball nut pair 601, so that the inner shaft of the ball nut pair 601 can rotate, the first connecting clip 602 is fixedly connected with the top of the inner shaft of the ball nut pair 601, the distribution positions of the first connecting clip 602 and the second connecting clip 604 are vertically corresponding, the steel wire rope 603 is kept in a tightened state, the whole body is convenient to stabilize, the steel wire rope 603 is fixedly connected with the first connecting clip 602, the top end of the steel wire rope 603 is fixedly connected with the bottom end of the second connecting clip 604, so that the steel wire rope 603 is broken, the second connecting clip 604 is fixedly connected with the bottom of the second fixing seat 7, when the whole bears the pressure, the second fixing seat 7 bears the pressure downwards, the connecting rod 301 descends simultaneously, the inner shaft of the ball nut pair 601 rotates when the part with the threads 302 passes through the ball nut pair 601, the steel wire rope 603 connected with the steel wire rope rotates along with the ball nut pair 601, the steel wire rope 603 winds around the connecting rod 301 as the center, the steel wire rope 603 winds to a certain degree and is provided with bounce force which is continuously lifted to prevent the inner shaft from rotating, the connecting rod 301 descends, the auxiliary damping is realized, when the pressure disappears, the reverse force of the steel wire rope 603 enables the inner shaft of the ball nut pair 601 to be reversely arranged, the connecting rod 301 ascends, the reverse force provided by the steel wire rope 603 is gradually weakened, the connecting rod 301 keeps stably ascending under the action of the shock absorber 1, and the shock absorber 1 can be well matched instead of a spring.

In the actual operation process, when the device is used, the whole device is firstly installed at a target position through the first connecting ring 8 and the second connecting ring 9, when the whole device bears pressure, the second fixing seat 7 bears pressure downwards to enable the connecting rod 301 to descend simultaneously, when the part with the screw thread 302 passes through the ball nut pair 601 in the first fixing seat 5, the inner shaft of the ball nut pair 601 rotates, so that the steel wire rope 603 connected with the steel wire rope 603 rotates along with the rotation, because the top end of the steel wire rope 603 is fixed on the second connecting clamp 604 of the second fixing seat 7, the steel wire rope 603 winds around the connecting rod 301, and meanwhile, the steel wire rope 603 winds to a certain degree and provides constantly lifted resilience force to prevent the inner shaft of the ball nut pair 601 from rotating, namely, the connecting rod 301 descends, the shock absorption is assisted, when the pressure disappears, the inner shaft of the ball nut pair 601 rotates reversely under the action of the steel wire rope 603, therefore, the connecting rod 301 rises under the action of the thread 302, the reverse force provided by the steel wire rope 603 is gradually weakened, the connecting rod 301 keeps rising stably under the action of the shock absorber 1, and the whole shock absorption and buffering are completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buffer structure on bumper shock absorber connecting rod, includes bumper shock absorber (1), its characterized in that: the top of the shock absorber (1) is fixedly connected with a connecting plate (2), the top of the connecting plate (2) is fixedly connected with a connecting shell (4), a connecting rod (301) is arranged in the connecting shell (4), the top of the outer ring of the connecting rod (301) is provided with a shock pad (303), the top of the outer ring of the connecting rod (301) is provided with a thread (302), the top of the connecting shell (4) is fixedly connected with a first fixed seat (5), the top of the connecting rod (301) is fixedly connected with a second fixed seat (7), the bottom of the shock absorber (1) is fixedly connected with a first connecting ring (8), and the top of the second fixed seat (7) is fixedly connected with a second connecting ring (9);

first fixing base (5) top is provided with buffer gear (6), buffer gear (6) are including ball nut pair (601), first connecting clip (602), wire rope (603) and second connecting clip (604), ball nut pair (601) outer lane fixed connection is in first fixing base (5) top inner circle, first connecting clip (602) fixed connection is in ball nut pair (601) interior axle top, wire rope (603) fixed connection is in first connecting clip (602), second connecting clip (604) fixed connection is in second fixing base (7) bottom.

2. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: the top end of the steel wire rope (603) is fixedly connected to the bottom end of the second connecting clamp (604).

3. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: the center of the connecting plate (2) is provided with a hole, the connecting rod (301) is inserted into the connecting plate (2), and a sealing rubber gasket is arranged at the joint.

4. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: the thread (302) extends from the shock pad (303) to the top of the first fixed seat (5) from top to bottom.

5. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: the inner ring of the ball nut pair (601) is in threaded connection with the top of the outer ring of the connecting rod (301).

6. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: balls are arranged between the outer ring of the ball nut pair (601) and the inner shaft.

7. The shock-absorbing structure on a shock-absorber connecting rod according to claim 1, wherein: the first connecting card (602) and the second connecting card (604) are vertically corresponding in distribution position, and the steel wire rope (603) is kept in a tightened state.