Automobile buffering thrust rod

Abstract

The utility model discloses an automobile buffer thrust rod, which relates to the technical field of automobile safety protection, and comprises a wire end ball seat assembly, the wire end ball seat assembly is fixedly connected with an automobile frame, one end of the wire end ball seat assembly is connected with a push rod structure, and the push rod structure can apply thrust to the automobile frame through a spherical seat and a positioning plate. The push rod structure comprises an outer pipe and an inner rod, a first stress ring is vertically welded and fixed to one end of the outer pipe, the first stress ring receives thrust generated by deformation of the first spring, and the first spring is fixed to the side face of the first stress ring. The stress distribution structure is connected between the inner rod and the push rod, thrust applied to the inner rod can be absorbed through the stress distribution structure, meanwhile, the thrust can be distributed to different non-linear end ball seats through the push rod, the non-linear end ball seats are connected with an axle, thrust applied to the U-shaped stress column can be evenly distributed, and therefore the thrust applied to the U-shaped stress column can be evenly distributed. And overlarge stress at a single-point position is avoided, and the risk of deformation of the axle is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile safety protection, in particular to an automobile buffer thrust rod. Background Art

[0002] As a component to maintain the stability of the axle, the thrust rod is mainly composed of a connecting rod, a straight ball seat, an upper ball seat and other components. One end of the thrust rod is connected to the axle, and the other end is connected to the frame. The thrust rod is divided into a longitudinal thrust rod and a transverse thrust rod according to the direction of the force. Among them, the longitudinal thrust rod is often a V-shaped thrust rod, and the connection between the V-shaped thrust rod and the axle is a point connection, which is not conducive to the uniform distribution of the upper force of the axle. This makes the force difference per unit area of ​​the axle large, and the risk of axle deformation is high. For this reason, we propose an automotive buffer thrust rod. Utility Model Content

[0003] The utility model aims to provide a vehicle buffer thrust rod to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car buffer thrust rod, including a line end ball seat assembly, the line end ball seat assembly is fixedly connected to the frame, one end of the line end ball seat assembly is connected to a push rod structure, the push rod structure can apply thrust to the frame through the spherical seat and the positioning plate, the push rod structure includes an outer tube and an inner rod, one end of the outer tube is vertically welded with a first force ring, the first force ring receives the thrust generated by the deformation of the first spring, the side of the first force ring is fixed with a first spring, one end of the first spring is fixed with a force distribution structure, the force distribution structure serves as a force receiving and force distribution component, and can distribute the received force to the second force ring and the protective tube through the push rod, the inner rod tangentially passes through the interior of the force distribution structure, one end of the force distribution structure is welded with at least two second springs through a connecting ring, one end of each of the second springs is fixed with a force matching structure, and one end of the force matching structure is fixed with a non-line end ball seat.

[0005] As a further solution of the utility model: the wire end ball seat assembly includes a positioning plate, the top thread of the positioning plate is penetrated by a plurality of locking bolts, a spherical seat is fixed on the top of the positioning plate, and the spherical seat cooperates with the positioning plate to be fixedly connected to the frame, which can improve the stability of the connection with the frame.

[0006] As a further solution of the utility model: the outer tube is axially symmetrically connected, and reinforcing ribs are welded in an evenly spaced circular array on the surface of the outer tube. A V-shaped depression is provided on one side of the reinforcing rib, and the inner rod and the first spring penetrate coaxially. The reinforcing ribs can increase the stress resistance of the outer tube and improve the force strength of the outer tube, and the V-shaped depression can improve the fracture resistance of the reinforcing ribs.

[0007] As a further solution of the utility model: the force distribution structure includes a connecting plate, a plurality of fixing bolts are connected through the top of the connecting plate, and a U-shaped force column is welded on the top of the connecting plate. The U-shaped force column can redistribute the force on the inner rod and the outer tube to avoid concentration of force points on the axle.

[0008] As a further solution of the utility model: the force matching structure includes a push rod passing through the connecting ring, a protective tube passing through the surface of the push rod, a second force ring is coaxially welded to one end of the protective tube, the second force ring is fixed to one end of the second spring, and the second force ring serves as a force-bearing component of the second spring.

[0009] As a further solution of the utility model: a plurality of equally spaced reinforcing ribs are welded on the surface of the protection tube, and one end of the reinforcing rib is fixed to the non-linear end ball seat, which can enhance the stress resistance of the protection tube.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model connects a force distribution structure between the inner rod and the push rod, so that the thrust applied by the inner rod can be absorbed by the force distribution structure, and at the same time, the thrust can be distributed to different non-linear end ball seats through the push rod. The non-linear end ball seats are connected to the axle, so that the thrust applied by the U-shaped force column can be evenly distributed, thereby avoiding excessive force at a single point position and reducing the risk of deformation of the axle.

[0012] 2. The utility model welds reinforcing ribs in an evenly spaced circular array on the surface of the outer tube and opens a V-shaped depression on one side of the reinforcing rib, which can increase the stress resistance of the outer tube and improve the force-bearing strength of the outer tube. The V-shaped depression can improve the fracture resistance of the reinforcing rib. By welding a U-shaped load-bearing column on the top of the connecting plate, the U-shaped load-bearing column can redistribute the force on the inner rod and the outer tube to avoid concentration of force points on the axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 For this utility model Figure 1 A magnified view of middle;

[0015] Figure 3 It is a schematic diagram of the force matching structure of the utility model.

[0016] In the figure: 1. positioning plate; 2. spherical seat; 3. locking bolt; 4. outer tube; 5. first stress ring; 6. reinforcing ribs; 601. V-shaped depression; 7. inner rod; 8. U-shaped stress column; 9. first spring; 10. connecting plate; 11. fixing bolt; 12. connecting ring; 13. push rod; 14. second spring; 15. second stress ring; 16. protective tube; 17. non-linear end ball seat. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 3 The utility model provides a technical solution: a car buffer thrust rod, including a line end ball seat assembly, the line end ball seat assembly is fixedly connected to the frame, the line end ball seat assembly includes a positioning plate 1, the top thread of the positioning plate 1 is penetrated and connected with a plurality of locking bolts 3, the top of the positioning plate 1 is fixed with a spherical seat 2, the spherical seat 2 cooperates with the positioning plate 1 to be fixedly connected to the frame, which can improve the stability of the connection with the frame, one end of the line end ball seat assembly is connected with a push rod structure, the push rod structure can apply thrust to the frame through the spherical seat 2 and the positioning plate 1, the push rod structure includes an outer tube 4 and an inner rod 7, one end of the outer tube 4 is vertically welded and fixed with a first force ring 5, the first force ring 5 receives the thrust generated by the deformation of the first spring 9, the side of the first force ring 5 is fixed with a first spring 9, one end of the first spring 9 is fixed with a force distribution structure, the force distribution structure includes a connection Plate 10, a plurality of fixing bolts 11 are penetrated and connected on the top of the connecting plate 10, a U-shaped force column 8 is welded on the top of the connecting plate 10, the U-shaped force column 8 can redistribute the force on the inner rod 7 and the outer tube 4 to avoid the concentration of force points on the axle, the force distribution structure serves as a force receiving and force distribution component, the force matching structure includes a push rod 13 penetrating the connecting ring 12, the surface of the push rod 13 is penetrated by a protective tube 16, one end of the protective tube 16 is coaxially welded with a second force ring 15, which can distribute the received force to the second force ring 15 and the protective tube 16 through the push rod 13, the inner rod 7 is tangentially penetrated into the interior of the force distribution structure, one end of the force distribution structure is welded with at least two second springs 14 through the connecting ring 12, one end of each second spring 14 is fixed with the force matching structure, and one end of the force matching structure is fixed with a non-linear end ball seat 17.

[0019] Preferably, Figure 1 and Figure 2As shown, the outer tube 4 is axially symmetrically connected, and the surface of the outer tube 4 is welded with reinforcing ribs 6 in an evenly spaced circular array. A V-shaped recess 601 is provided on one side of the reinforcing rib 6. The inner rod 7 and the first spring 9 penetrate coaxially. The reinforcing rib 6 can increase the stress resistance of the outer tube 4 and improve the force strength of the outer tube 4. The V-shaped recess 601 can improve the fracture resistance of the reinforcing rib 6.

[0020] Preferably, Figure 3 As shown, the second stress ring 15 is fixed to one end of the second spring 14 , and the second stress ring 15 serves as a stress-bearing component of the second spring 14 .

[0021] Preferably, Figure 3 As shown, a plurality of equally spaced reinforcing ribs 6 are welded to the surface of the protection tube 16 , and one end of the reinforcing rib 6 is fixed to the non-linear end ball seat 17 , which can enhance the stress resistance of the protection tube 16 .

[0022] Working principle: When in use, a plurality of locking bolts 3 are used to fix the positioning plate 1 in the middle of the frame, and the ball seat 2 is simultaneously fixed to the surface of the frame, which can improve the stability of the connection between the push rod 13 and the frame. The fixing bolt 11 is used to connect the connecting plate 10 to one end of the frame, and the non-linear end ball seat 17 is fixed to the surface of the axle, so that the push rod 13 is installed between the frame and the axle. When a thrust is applied to the frame, a thrust is applied to the outer tube 4 through the inner rod 7, and the frame is further pushed through the outer tube 4. The reaction force generated in the process of pushing the frame is absorbed by the force distribution structure. The thrust applied to the inner rod 7 can be The thrust is distributed to different non-linear end ball seats 17 through the push rod 13. The non-linear end ball seats 17 are connected to the axle, so that the thrust applied to the U-shaped load-bearing column 8 can be evenly distributed, avoiding excessive force at a single point and causing deformation. By connecting a force distribution structure between the inner rod 7 and the push rod 13, the thrust applied to the inner rod 7 can be absorbed by the force distribution structure. At the same time, the thrust can be distributed to different non-linear end ball seats 17 through the push rod 13. The non-linear end ball seats 17 are connected to the axle, so that the thrust applied to the U-shaped load-bearing column 8 can be evenly distributed, avoiding excessive force at a single point and reducing the risk of deformation of the axle.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile buffer thrust rod, comprising a wire end ball seat assembly, characterized in that: One end of the line end ball seat assembly is connected to a push rod structure, the push rod structure comprises an outer tube (4) and an inner rod (7), one end of the outer tube (4) is vertically welded with a first force ring (5), a side of the first force ring (5) is fixed with a first spring (9), one end of the first spring (9) is fixed with a force distribution structure, the inner rod (7) tangentially passes through the interior of the force distribution structure, one end of the force distribution structure is welded with at least two second springs (14) through a connecting ring (12), one end of each of the second springs (14) is fixed with a force matching structure, and one end of the force matching structure is fixed with a non-line end ball seat (17).

2. The automobile buffer thrust rod according to claim 1, characterized in that: The wire end ball seat assembly comprises a positioning plate (1), a plurality of locking bolts (3) are connected through a thread on the top of the positioning plate (1), and a spherical seat (2) is fixed on the top of the positioning plate (1).

3. The automobile buffer thrust rod according to claim 1, characterized in that: The outer tube (4) is connected in an axisymmetric manner. The surface of the outer tube (4) is welded with reinforcing ribs (6) in a circular array at equal intervals. A V-shaped recess (601) is provided on one side of the reinforcing rib (6). The inner rod (7) and the first spring (9) penetrate the inner rod coaxially.

4. The automobile buffer thrust rod according to claim 1, characterized in that: The force distribution structure comprises a connecting plate (10), a plurality of fixing bolts (11) are connected through the top of the connecting plate (10), and a U-shaped force-bearing column (8) is welded to the top of the connecting plate (10).

5. The automobile buffer thrust rod according to claim 3, characterized in that: The force matching structure comprises a push rod (13) penetrating the connecting ring (12); a protective tube (16) penetrates the surface of the push rod (13); a second force ring (15) is coaxially welded to one end of the protective tube (16); and the second force ring (15) is fixed to one end of the second spring (14).

6. The automobile buffer thrust rod according to claim 5, characterized in that: A plurality of equally spaced reinforcing ribs (6) are welded to the surface of the protection tube (16), and one end of the reinforcing rib (6) is fixed to the non-linear end ball seat (17).

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