CN215621239U

CN215621239U - Automobile torsion beam suspension longitudinal arm

Info

Publication number: CN215621239U
Application number: CN202121528138.0U
Authority: CN
Inventors: 黄国庆; 王杰
Original assignee: Suining Sailin Auto Parts Co ltd
Current assignee: Suining Sailin Auto Parts Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-25
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to the technical field of automobile structures, and discloses an automobile torsion beam suspension longitudinal arm which comprises a torsion beam, wherein clamping rods are clamped on the inner walls of two sides of the torsion beam, a first through hole is formed in one side of each clamping rod, a first bolt is arranged on the inner wall of each first through hole, each clamping rod is connected with the torsion beam through the corresponding first bolt, a connecting block is welded at one end of each clamping rod, a through inclined hole is formed in the center of each connecting block, a longitudinal arm is arranged on the inner wall of each inclined hole, a second through hole is formed in the middle of each longitudinal arm, a second bolt is arranged on the inner wall of each second through hole, each longitudinal arm is connected onto the corresponding connecting block through the corresponding second bolt, a tire connecting seat is fixedly connected to the front end of each longitudinal arm, the longitudinal arms are convenient to replace, and damage risk points of the longitudinal arms are reduced.

Description

Automobile torsion beam suspension longitudinal arm

Technical Field

The utility model belongs to the technical field of automobile structures, and particularly relates to an automobile torsion beam suspension longitudinal arm.

Background

A torsion beam semi-independent suspension is a commonly used automobile rear suspension structure at present, and in a light automobile or a car, the torsion beam semi-independent suspension is formed by welding left and right longitudinal arms together through an integral cross beam with a V-shaped or U-shaped section. The front end of the trailing arm is in hinged connection with the vehicle body through a rubber metal support, and the rear end of the trailing arm is connected with the wheel hub, the shock absorber and the spring. The trailing arm can swing up and down around the rigid connection point so as to absorb vibration through the shock absorber and the shock absorption spring, and the shock absorption effect is achieved, so that the suspension is related to the controllability and the comfort of the vehicle.

But current twist beam and trailing arm generally adopt welded connection, easy fracture, and when the trailing arm damaged, need whole change structure, very extravagant, and can be connected with shock absorber and spring on the current trailing arm, the damage risk point of trailing arm has been increased to spring and shock absorber, for solving the above-mentioned problem of proposing, provides an automobile twist beam suspension trailing arm.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the above-mentioned proposed problems, an automotive torsion beam suspension trailing arm is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides an automobile torsion beam suspension longitudinal wall, includes torsion beam, torsion beam's both sides inner wall joint has the kelly, first through-hole has been seted up to one side of kelly, the inner wall of first through-hole is provided with first bolt, the kelly through first bolt with torsion beam connects, the one end welding of kelly has the connecting block, the center of connecting block has been seted up and has been run through the inclined hole, the inner wall that runs through the inclined hole is provided with the longitudinal wall, the second through-hole has been seted up at the middle part of longitudinal wall, the inner wall of second through-hole is provided with the second bolt, the longitudinal wall passes through the second bolted connection and is in on the connecting block, the front end fixedly connected with tire connecting seat of longitudinal wall.

In a preferred embodiment, the clamping rod is a rectangular cylinder, and the shape and the size of the inner wall of the torsion beam are matched with those of the outer wall of the clamping rod.

In a preferred embodiment, the diameter of the inner wall of the through oblique hole is adapted to the diameter of the outer wall of the trailing arm.

In a preferred embodiment, the inner wall diameter of the first through hole is adapted to the outer wall diameter of the first bolt, and the inner wall diameter of the second through hole is adapted to the outer wall diameter of the second bolt.

In a preferred embodiment, a support plate is fixedly connected to the middle of the clamping rod, a spring bracket is fixedly connected to the upper portion of the support plate, and a damper connecting bolt is arranged at the front portion of the support plate.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the clamping rod is fixed on the torsion beam through the first bolt in the second through hole on one side of the clamping rod, then the longitudinal arm is inserted into the through inclined hole on the connecting block, then the second bolt is inserted into the second through hole, and the position of the longitudinal arm is fixed by the second bolt, so that the longitudinal arm is connected on the torsion beam.

2. According to the utility model, the support plate is arranged on the clamping rod, and the spring and the shock absorber are connected to the support plate by using the spring bracket and the shock absorber connecting bolt on the support plate, so that the connecting structure on the trailing arm is reduced, the damage risk point of the trailing arm is reduced, and the trailing arm is protected.

Drawings

FIG. 1 is a schematic diagram of the top view internal structure of the present invention;

FIG. 2 is a schematic diagram of a second via structure according to the present invention.

The labels in the figure are: the device comprises a torsion beam 1, a clamping rod 2, a first through hole 3, a first bolt 4, a connecting block 5, a through inclined hole 6, a trailing arm 7, a second through hole 8, a second bolt 9, a tire connecting seat 10, a supporting plate 11, a spring bracket 12 and a shock absorber connecting bolt 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.

A torsion beam suspension trailing arm for an automobile according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

The first embodiment is as follows:

the automobile torsion beam suspension longitudinal arm provided by the embodiment of the utility model is shown in a figure 1-a figure 2, and comprises a torsion beam 1, clamping rods 2 are clamped on the inner walls of two sides of the torsion beam 1, a first through hole 3 is arranged on one side of each clamping rod 2, a first bolt 4 is arranged on the inner wall of each first through hole 3, the diameter of the inner wall of each first through hole 3 is matched with the diameter of the outer wall of the corresponding first bolt 4, each clamping rod 2 is limited by the first bolt 4 and the corresponding first through hole 3 in a matching mode, the clamping rods 2 are prevented from being separated from the inner wall of the torsion beam 1, the clamping rods 2 are connected with the torsion beam 1 through the first bolts 4, a connecting block 5 is welded at one end of each clamping rod 2, a through inclined hole 6 is arranged in the center of the connecting block 5, a longitudinal arm 7 is arranged on the inner wall of the through inclined hole 6, a second through hole 8 is arranged in the middle of the longitudinal arm 7, a second bolt 9 is arranged on the inner wall of the second through hole 8, the diameter of the inner wall of the second through hole 8 is matched with the diameter of the outer wall of the second bolt 9, the use of second through-hole 8 and second bolt 9 prevents that trailing arm 7 from sliding on running through inclined hole 6, and trailing arm 7 passes through second bolt 9 and connects on connecting block 5, and the front end fixedly connected with tire connecting seat 10 of trailing arm 7 through set up kelly 2 between trailing arm 7 and torsion beam, passes through bolted connection with both structures together, does not adopt traditional welding mode, makes things convenient for the later stage to change trailing arm 7.

Referring to fig. 1, the clamping rod 2 is a rectangular cylinder, the shape and size of the inner wall of the torsion beam 1 are matched with the size and shape of the outer wall of the clamping rod 2, and the positions of the four walls of the clamping rod are limited by the inner wall of the torsion beam.

Referring to fig. 1, the inner wall diameter of the through inclined hole 6 is matched with the outer wall diameter of the trailing arm 7, and the through inclined hole 6 limits the position of the four walls of the trailing arm 7.

The implementation principle of a torsion beam suspension trailing arm of an automobile of this application embodiment one does: insert the longitudinal wall 7 earlier and run through inclined hole 6 on the connecting block 5, then insert the second through-hole 8 on the longitudinal wall 7 with second bolt 9, fix the longitudinal wall 7, then install tire connecting seat 10 on the longitudinal wall 7, insert one side of kelly 2 in the inner wall of torsion beam 1 after accomplishing the operation, then insert first bolt 4 on the first through-hole 3 of kelly 2, fix kelly 2 on torsion beam 1, accomplish the installation of structure, reverse operation alright dismantle the longitudinal wall 7 fast.

Example two:

referring to fig. 1, a support plate 11 is fixedly connected to the middle of a clamping rod 2, a spring bracket 12 is fixedly connected to the upper portion of the support plate 11 and plays a role of connecting a spring, a shock absorber connecting bolt 13 is arranged at the front portion of the support plate 11, the shock absorber is conveniently connected in the later period, the spring and the shock absorber are connected through the independent support plate 11, the risk point that the longitudinal arm 7 is damaged due to excessive increase of a connecting structure on the longitudinal arm 7 is avoided, and the longitudinal arm 7 is protected.

The implementation principle of a torsion beam suspension trailing arm of an automobile of this application embodiment one does: fix backup pad 11 on the outer wall of kelly 2, then fix the spring through spring bracket 12 to connect the shock absorber through shock absorber connecting bolt 13, set up connection structure alone, avoid connecting too much the increase that leads to the damage risk on the trailing arm 7.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automobile torsion beam suspension trailing arm, includes torsion beam (1), its characterized in that: the utility model discloses a torsion beam, including torsion beam (1), kelly (2) are connected to the both sides inner wall joint of torsion beam (1), first through-hole (3) have been seted up to one side of kelly (2), the inner wall of first through-hole (3) is provided with first bolt (4), kelly (2) through first bolt (4) with torsion beam (1) are connected, the one end welding of kelly (2) has connecting block (5), run through inclined hole (6) have been seted up at the center of connecting block (5), the inner wall that runs through inclined hole (6) is provided with trailing arm (7), second through-hole (8) have been seted up at the middle part of trailing arm (7), the inner wall of second through-hole (8) is provided with second bolt (9), trailing arm (7) are connected through second bolt (9) on connecting block (5), the front end fixedly connected with tire connecting seat (10) of trailing arm (7).

2. A torsion beam suspension trailing arm for an automobile according to claim 1, wherein: the clamping rod (2) is a rectangular cylinder, and the shape and the size of the inner wall of the torsion beam (1) are matched with those of the outer wall of the clamping rod (2).

3. A torsion beam suspension trailing arm for an automobile according to claim 1, wherein: the diameter of the inner wall of the through inclined hole (6) is matched with the diameter of the outer wall of the longitudinal arm (7).

4. A torsion beam suspension trailing arm for an automobile according to claim 1, wherein: the diameter of the inner wall of the first through hole (3) is matched with the diameter of the outer wall of the first bolt (4), and the diameter of the inner wall of the second through hole (8) is matched with the diameter of the outer wall of the second bolt (9).

5. A torsion beam suspension trailing arm for an automobile according to claim 1, wherein: the middle of the clamping rod (2) is fixedly connected with a supporting plate (11), the upper portion of the supporting plate (11) is fixedly connected with a spring bracket (12), and the front portion of the supporting plate (11) is provided with a shock absorber connecting bolt (13).