CN219954064U - Automobile damping pull rod capable of absorbing impact load in multiple angles - Google Patents

Abstract

The utility model relates to the technical field of automobile pull rod equipment, and provides an automobile shock absorption pull rod capable of absorbing impact load at multiple angles, which comprises a shaft rod and a shaft head, wherein a connecting part of the shaft head is inserted into the shaft rod, a cavity which is penetrated front and back is arranged in the connecting part, a first buffer piece is arranged in the cavity in the circumferential direction, a second piston plate which is in sealed sliding connection is transversely and symmetrically arranged in the cavity, a spring is arranged on one side of the second piston plate, and second buffer pieces are arranged in the inner circumferential directions of two sides of the connecting part; one side of the first buffer piece, which is arranged in the circumferential direction, extends out of the connecting part is abutted against the inner wall of the shaft lever. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, and when the shaft head and the shaft lever vibrate relatively, the first buffer pad, the spring and the second buffer pad sequentially provide buffer, and the first buffer pad and the second buffer pad which are circumferentially arranged can absorb impact loads at multiple angles, so that the shock absorption capacity is stronger compared with the traditional pull rod.

Description

Automobile damping pull rod capable of absorbing impact load in multiple angles

Technical Field

The utility model relates to the technical field of automobile pull rod equipment, in particular to an automobile damping pull rod capable of absorbing impact load at multiple angles.

Background

The function of the automobile pull rod is to change the steering direction, in particular to a steering control mechanism which is used for transmitting the steering intention of a driver to a steering system so as to realize the steering of an automobile, the automobile can vibrate in the driving process, and when the automobile pull rod is vibrated, the shock absorption capacity of the automobile pull rod is limited, the friction between the automobile pull rod and other connecting pieces can be increased, larger stress can be generated, and the problem of fracture can occur for a long time.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the automobile damping pull rod capable of absorbing impact load at multiple angles, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problem of poor damping capacity of the existing automobile connecting rod.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the automobile damping pull rod comprises a shaft rod and a shaft head, wherein the connecting part of the shaft head is inserted into the shaft rod, a cavity which is communicated front and back is arranged in the connecting part, a first buffer piece is arranged in the cavity in the circumferential direction, a second piston plate which is in sealed sliding connection is arranged in the cavity in a transverse symmetry manner, a spring is arranged on one side of the second piston plate, and second buffer pieces are arranged in the inner circumferential direction of two sides of the connecting part;

one side of the first buffer piece, which is arranged in the circumferential direction, extends out of the connecting part and is abutted against the inner wall of the shaft lever;

one end of the second buffer piece is arranged at one side of the second piston plate, and the other end extends out of the connecting part.

Further, the two ends of the connecting part are of a tire-shaped structure with smooth surfaces, and the maximum diameter of the two ends of the connecting part is larger than that of the middle part of the connecting part.

Further, the shaft lever is of a two-half structure, a cavity which is used for coating the shape of the matched connecting part is arranged in the shaft lever, and threaded holes are formed in the outer walls of the two ends of the shaft lever.

Further, the first buffer piece comprises a first piston plate and a first buffer cushion, the first piston plate is connected in the cavity in a sealing sliding mode, one side of the first buffer cushion is connected with the first piston plate, and the other side of the first buffer cushion extends out of the connecting portion and is in butt joint with the inner wall of the shaft rod.

Further, the first buffer pad is of a fan-shaped structure, the side, close to the cavity, of the first buffer pad is a narrow side, and a fan-shaped groove matched with the first buffer pad is circumferentially formed in the outer wall of the connecting portion.

Further, the second buffer piece includes buffer rod and second blotter, buffer rod sliding connection is in connecting portion, and its one end and first piston board keep away from cavity center department butt, the other end and second blotter butt.

Further, the first cushion pad and the second cushion pad are made of elastic materials.

Further, two surfaces of the outer wall of the second piston plate are inclined planes, and the second piston plates on two sides are respectively connected with the shaft head and the shaft rod through springs.

(III) beneficial effects

The embodiment of the utility model provides an automobile damping pull rod capable of absorbing impact load in multiple angles. The beneficial effects are as follows:

1. when spindle nose and axostylus axostyle shake relatively, first blotter, spring, second blotter provide the buffering in proper order, and the impact load of multi-angle can be absorbed to first blotter and the second blotter of circumference setting, compares traditional pull rod shock-absorbing capacity stronger.

2. When the shaft head and the shaft rod are not subjected to vibration force, the second piston plate is reset under the action of the spring, and the buffer rod is pushed in the resetting process, so that resistance is formed, and the rapid resetting vibration is avoided.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a shaft head structure of the utility model;

FIG. 3 is a schematic cross-sectional view of a connection structure of the present utility model;

FIG. 4 is a schematic left view of the structure of the connecting part of the present utility model;

FIG. 5 is a schematic left view of a first cushion structure according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model.

In the figure: 1. a shaft lever; 2. a shaft head; 3. a connection part; 31. a cavity; 32. a first buffer member; 321. a first piston plate; 322. a first cushion pad; 33. a second piston plate; 34. a spring; 35. a second buffer member; 351. a buffer rod; 352. and a second cushion pad.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an automobile shock absorption pull rod capable of absorbing impact load at multiple angles comprises a shaft rod 1 and a shaft head 2, wherein a connecting part 3 of the shaft head 2 is inserted into the shaft rod 1, the shaft rod 1 is of a two-half structure, a cavity which is used for coating and matching with the shape of the connecting part 3 is arranged in the shaft rod 1, threaded holes are formed in the outer walls of two ends of the shaft rod, the shaft rod 1 is provided with two-half type holes, the connecting part 3 of the shaft head 2 is conveniently installed in the shaft rod 1, and then the shaft rod is fixed through the threaded holes formed in the shaft rod 1;

the two ends of the connecting part 3 are of a tire-shaped structure with smooth surfaces, and the maximum diameter of the two ends of the connecting part is larger than the diameter of the middle part of the connecting part, so that a gap is formed between the connecting part 3 and the shaft head 2, and the shaft rod 1 and the shaft head 2 are further provided with movable spaces during vibration, so that the vibration is conveniently absorbed.

The connecting part 3 is internally provided with a cavity 31 which is penetrated front and back, a first buffer piece 32 is arranged in the inner circumference of the cavity 31, one side, extending out of the connecting part 3, of the first buffer piece 32 arranged in the circumference is abutted against the inner wall of the shaft rod 1, the circumference is provided with a buffer piece which is convenient for multi-angle buffering, the first buffer piece 32 comprises a first piston plate 321 and a first buffer pad 322, the first piston plate 321 is connected in the cavity 31 in a sealing sliding way, one side of the first buffer pad 322 is connected with the first piston plate 321, the other side of the first buffer pad extends out of the connecting part 3 and is abutted against the inner wall of the shaft rod 1, the shaft rod 1 firstly presses the first buffer pad 322 when vibrating, the first buffer pad 322 is made of an elastic material, and the first buffer pad 322 has elasticity and can firstly perform partial buffering;

the first buffer pad 322 has a fan-shaped structure, the side of the first buffer pad 322, which is close to the cavity 31, is provided with a narrow side, a fan-shaped groove matched with the first buffer pad 322 is circumferentially arranged on the outer wall of the connecting part 3, when the first buffer pad 322 is pressed inwards, the first buffer pad 322 is pressed inwards in the fan-shaped groove, so that the pressure is concentrated inwards, at the moment, the first piston plate 321 is pressed downwards in the cavity 31, so that the relative space in the cavity 31 is reduced, and the internal air pressure is increased;

the second piston plate 33 is symmetrically and transversely arranged in the cavity 31 and is in sealed sliding connection, and a spring 34 is arranged on one side of the second piston plate 33, so that the second piston plate 33 overcomes the supporting movement of the spring 34, and the spring 34 is compressed in the process and can relatively provide a buffer force;

wherein, circumference is equipped with second bolster 35 in connecting portion 3 both sides, circumference setting is convenient for multi-angle buffering, second bolster 35 one end sets up and extends connecting portion 3 in the one side other end of second piston plate 33, second bolster 35 includes buffer rod 351 and second blotter 352, buffer rod 351 sliding connection is in connecting portion 3, its one end and first piston plate 321 keep away from cavity 31 center department butt, the other end and second blotter 352 butt, when second piston plate 33 moves in cavity 31, can promote buffer rod 351 motion, further make the outward motion of second blotter 352, this moment second blotter 352 can support at axostylus axostyle 1 inner wall, second blotter 352 is made for elastic material, it can provide a buffering for axostylus axostyle 1 again.

Wherein, the two sides of the outer wall of the second piston plate 33 are inclined planes, so that the second buffer pad 352 can be pushed to move when the second piston plate 33 moves, the second piston plates 33 on two sides are respectively connected with the spindle nose 2 and the spindle shaft 1 through the springs 34, when the spindle nose 2 and the spindle shaft 1 are not subjected to vibration force, the second piston plate 33 can reset under the action of the springs 34, the buffer rod 351 can be pushed in the resetting process, and at the moment, a resistance exists in the resetting process, so that the rapid resetting vibration is avoided.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides an automobile shock attenuation pull rod that can multi-angle absorption impact load, includes axostylus axostyle (1) and spindle nose (2), inside that connecting portion (3) of spindle nose (2) inserted axostylus axostyle (1), its characterized in that: a cavity (31) penetrating front and back is arranged in the connecting part (3), a first buffer piece (32) is arranged in the cavity (31) in the circumferential direction, a second piston plate (33) in sealed sliding connection is transversely and symmetrically arranged in the cavity (31), a spring (34) is arranged on one side of the second piston plate (33), and a second buffer piece (35) is arranged in the circumferential direction in two sides of the connecting part (3);

one side of the first buffer piece (32) which is arranged in the circumferential direction and extends out of the connecting part (3) is abutted against the inner wall of the shaft lever (1);

one end of the second buffer member (35) is arranged at one side of the second piston plate (33), and the other end extends out of the connecting part (3).

2. A shock absorbing tie rod for an automobile capable of absorbing impact loads at multiple angles as claimed in claim 1, wherein: the shaft lever (1) is of a two-half structure, a cavity which is used for coating and matching with the shape of the connecting part (3) is arranged in the shaft lever, and threaded holes are formed in the outer walls of the two ends of the shaft lever.

3. A shock absorbing tie rod for an automobile capable of absorbing impact loads at multiple angles as claimed in claim 1, wherein: the first buffer piece (32) comprises a first piston plate (321) and a first buffer cushion (322), the first piston plate (321) is connected inside the cavity (31) in a sealing sliding mode, one side of the first buffer cushion (322) is connected with the first piston plate (321), and the other side of the first buffer cushion extends out of the connecting portion (3) and is in butt joint with the inner wall of the shaft rod (1).

4. A shock absorbing tie rod for an automobile capable of absorbing impact loads at multiple angles as claimed in claim 3, wherein: the first buffer pad (322) is of a fan-shaped structure, the side, close to the cavity (31), of the first buffer pad is a narrow side, and a fan-shaped groove matched with the first buffer pad (322) is circumferentially formed in the outer wall of the connecting portion (3).

5. An automotive shock absorbing tie rod capable of absorbing impact loads at multiple angles as defined in claim 4, wherein: the second buffer piece (35) comprises a buffer rod (351) and a second buffer cushion (352), the buffer rod (351) is slidably connected in the connecting portion (3), one end of the buffer rod is abutted to the first piston plate (321) away from the center of the cavity (31), and the other end of the buffer rod is abutted to the second buffer cushion (352).

6. An automotive shock absorbing tie rod capable of absorbing impact loads at multiple angles as defined in claim 5, wherein: the first cushion (322) and the second cushion (352) are both made of an elastic material.

7. A shock absorbing tie rod for an automobile capable of absorbing impact loads at multiple angles as claimed in claim 1, wherein: the two sides of the outer wall of the second piston plate (33) are inclined planes, and the second piston plates (33) on the two sides are respectively connected with the shaft head (2) and the shaft lever (1) through springs (34).