Elastic damping shock absorber

Abstract

The utility model belongs to the technical field of shock absorbers, and particularly relates to an elastic damping shock absorber which comprises a sleeve and piston rods, the piston rods are arranged at the two ends of the sleeve, and a first spring is arranged between the piston rods. The damping spring is arranged at the end, located in the sleeve, of the piston rod and abuts against an end opening of the sleeve.

Description

Technical Field

[0001] The utility model belongs to the technical field of shock absorbers, and particularly relates to an elastic damping shock absorber. Background Art

[0002] A shock absorber is used to suppress the oscillation after the spring absorbs shock and the impact from the road surface. It is widely used in automobiles to accelerate the attenuation of the vibration of the vehicle frame and body, so as to improve the ride comfort of the automobile. When passing through an uneven road surface, although the shock-absorbing spring can filter the vibration of the road surface, the spring itself will still have reciprocating motion, which is likely to cause the vehicle body to jolt and make the passengers feel uncomfortable. Therefore, we have specifically designed an elastic damping shock absorber. Content of the Utility Model

[0003] The purpose of the utility model is to provide an elastic damping shock absorber for the above-mentioned existing technical problems, achieving the effect of improving ride comfort.

[0004] In view of this, the utility model provides an elastic damping shock absorber, including:

[0005] A sleeve,

[0006] A piston rod, the piston rod is arranged at both ends of the sleeve, and a first spring is arranged between the piston rods;

[0007] A damping spring, the damping spring is arranged at one end of the piston rod inside the sleeve and abuts against the port of the sleeve.

[0008] In the above technical solution, further, the sleeve includes:

[0009] A cylinder body, a necking section is arranged in the center of the cylinder body, and the first spring is arranged on the necking section;

[0010] A necking cover, the necking cover is arranged at both ends of the cylinder body, and the damping spring is arranged between the piston rod and the necking cover;

[0011] Wherein, the necking cover is threadedly connected with the cylinder body.

[0012] In the above technical solution, further, the piston rod includes:

[0013] A mating end, the mating end is tangent to the inner side wall surface of the cylinder body, and a connecting boss is arranged on the end surface of the mating end and cooperates with the first spring;

[0014] A connecting end, the connecting end penetrates through the necking cover and extends to the outside, and a stop block is arranged on the connecting end, a second spring is arranged between the stop block and the necking cover, and the connecting end is threadedly connected with the mating end;

[0015] Wherein, the damping spring is arranged outside the mating end and abuts against the necking cover.

[0016] In the above technical solution, further, it further includes:

[0017] A buffer pad, which is arranged on the end faces at both ends of the necking section.

[0018] In the above technical solution, further, it further includes:

[0019] A buffer layer, which is arranged on the inner side wall surface of the cylinder body and is on both sides of the necking section;

[0020] Wherein, the buffer layer and the buffer pad are integrally formed.

[0021] In the above technical solution, further, it further includes:

[0022] Connecting protrusions, which are arranged on both sides of the necking section and are limit-connected with the buffer pad.

[0023] In the above technical solution, further, it further includes:

[0024] An embedding groove, which is arranged at the bottom of the buffer pad and is engaged with the connecting protrusion.

[0025] The beneficial effect of the present utility model is: good shock absorption effect, and it can quickly recover, which helps to eliminate vehicle bumps and thus improve the driving and riding experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a perspective view of the present utility model;

[0027] Figure 2 is a structural schematic diagram of the present utility model;

[0028] The marks in the figure are represented as: 1. Sleeve; 11. Cylinder body; 111. Necking section; 12. Necking cover; 2. Piston rod; 21. Fitting end; 211. Connecting boss; 22. Connecting end; 221. Block; 222. Second spring; 3. Damping spring; 4. Buffer pad; 41. Buffer layer; 5. Connecting protrusion; 6. Embedding groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present application.

[0030] Embodiment 1:

[0031] This embodiment provides an elastic damping shock absorber, including:

[0032] The sleeve 1,

[0033] The piston rod 2 is arranged at both ends of the sleeve 1, and a first spring is arranged between the piston rods 2;

[0034] The damping spring 3 is arranged at one end of the piston rod 2 inside the sleeve 1 and abuts against the port of the sleeve 1.

[0035] It can be seen from this embodiment that an elastic damping shock absorber includes a sleeve 1, a piston rod 2 and a damping spring 3;

[0036] A first spring is installed inside the sleeve 1. The piston rod 2 is connected to both ends of the sleeve 1 and abuts against the first spring. The piston rod 2 absorbs the force through elastic contact with the first spring for shock absorption;

[0037] Furthermore, the damping spring 3 is arranged at both ends of the sleeve 1 and abuts against one side of the piston rod 2 at the port of the sleeve 1. When the piston rod 2 and the sleeve 1 move, the damping spring 3 exerts a reverse elastic force on the piston rod 2 through its own elasticity. The elastic force will push the piston rod 2 towards the inner side of the sleeve 1, counteract with the elastic force of the first spring, and absorb the force during the counteraction process, so that the piston rod 2 can quickly recover;

[0038] The shock absorption effect is good, and it can quickly recover, which helps to eliminate vehicle bumps and improve the driving and riding experience.

[0039] Embodiment 2:

[0040] This embodiment provides an elastic damping shock absorber, which has the following technical features in addition to including the technical solutions of the above embodiment.

[0041] The sleeve 1 includes:

[0042] The cylinder body 11, a necking section 111 is arranged in the center of the cylinder body 11, and the first spring is arranged on the necking section 111;

[0043] The necking cover 12 is arranged at both ends of the cylinder body 11, and the damping spring 3 is arranged between the piston rod 2 and the necking cover 12;

[0044] Wherein, the necking cover 12 is threadedly connected with the cylinder body 11.

[0045] It can be seen from this embodiment that the sleeve 1 includes a cylinder body 11 and a necking cover 12;

[0046] A necking section 111 is formed inside the cylinder body 11. The first spring is installed inside the necking section 111, and both ends of the first spring extend to the outside of the necking section 111 to cooperate with the piston rod 2. After the piston rod 2 compresses the first spring, it is limited by the end face of the necking section 111, thereby preventing the piston rods 2 between the two ends of the sleeve 1 from colliding and damaging the first spring.

[0047] The closing caps 12 are threadedly connected to both ends of the sleeve 1, so that during use, it is convenient to assemble the piston rod 2, the first spring and the damping spring 3.

[0048] Embodiment 3:

[0049] This embodiment provides an elastic damping shock absorber. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0050] The piston rod 2 includes:

[0051] A mating end 21, the mating end 21 is tangent to the inner side wall surface of the cylinder body 11, and a connecting boss 211 is provided on the end surface of the mating end 21 and cooperates with the first spring;

[0052] A connecting end 22, the connecting end 22 penetrates through the closing cap 12 and extends to the outside, and a stop block 221 is provided on the connecting end 22. A second spring 222 is provided between the stop block 221 and the closing cap 12, and the connecting end 22 is threadedly connected to the mating end 21;

[0053] Among them, the damping spring 3 is arranged outside the mating end 21 and abuts against the closing cap 12.

[0054] It can be seen from this embodiment that the piston rod 2 includes a mating end 21 and a connecting end 22. The mating end 21 and the connecting end 22 are fixed together by threaded cooperation, which is convenient for preparation and at the same time convenient for assembly with the sleeve 1;

[0055] The mating end 21 is tangent to the inner side wall surface of the cylinder body 11. During use, the mating end 21 cooperates with the first spring and the damping spring 3 inside the cylinder body 11 to reduce shock;

[0056] Furthermore, a threaded hole is provided on one side of the mating end 21, and a connecting boss 211 is formed on the other side. The connecting boss 211 is used to cooperate with the first spring for fixation;

[0057] One end of the connecting end 22 is provided with a thread and is threadedly connected to the threaded hole, and is combined with the mating end 21 to form the piston rod 2. The other end of the connecting end 22 extends outside the closing cap 12. As the connecting end 22, a connecting member (not shown in the drawings) can be added according to customer requirements;

[0058] Further, the damping spring 3 is installed on the end face of the mating end 21 fixed to the connecting end 22 and abuts against the inner side of the closing cover 12, thereby resetting and damping the force on the piston rod 2 and achieving a damping effect;

[0059] Further, a stopper 221 is fixedly connected to the connecting end 22, and a second spring 222 is provided between the stopper 221 and the closing cover 12. The second spring 222 cooperates with the first spring to provide a synchronous elastic force to the piston rod 2, thereby enhancing the damping effect.

[0060] Embodiment 4:

[0061] This embodiment provides an elastic damping shock absorber. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0062] A buffer pad 4 is provided on the end faces at both ends of the closing section 111.

[0063] It can be seen from this embodiment that by providing the buffer pad 4, a flexible contact is generated between the piston rod 2 and the closing section 111, thereby protecting the piston rod 2 and the cylinder body 11.

[0064] Embodiment 5:

[0065] This embodiment provides an elastic damping shock absorber. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0066] A buffer layer 41 is provided on the inner side wall surface of the cylinder body 11 and is located on both sides of the closing section 111;

[0067] Among them, the buffer layer 41 and the buffer pad 4 are integrally formed.

[0068] It can be seen from this embodiment that the buffer layer 41 is attached to the wall surface of the cylinder body 11 on both sides of the closing section 111, and the buffer layer 41 and the buffer pad 4 are integrally formed;

[0069] During use, the buffer layer 41 contacts the mating end 21 and is damped by friction during the movement of the mating end 21. Furthermore, the flexible contact between the buffer layer 41 and the mating end 21 can reduce the wear between the mating end 21 and the cylinder body 11, thereby playing a role in extending the service life.

[0070] Embodiment 6:

[0071] This embodiment provides an elastic damping shock absorber. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0072] Connecting protrusions 5 are provided on both sides of the closing section 111 and are connected to the buffer pad 4 in a limiting manner.

[0073] As can be seen from this embodiment, the connecting protrusions 5 are formed on both sides of the necking section 111 and are connected to the buffer pad 4 in a limiting manner. The connecting protrusions 5 play a role in fixing the shock pad, thereby making the connection between the shock pad and the cylinder body 11 stable and avoiding the situation of detachment during frequent activities.

[0074] Embodiment 7:

[0075] This embodiment provides an elastic damping shock absorber. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0076] The embedding groove 6 is arranged at the bottom of the buffer pad 4 and is fitted with the connecting protrusion 5.

[0077] As can be seen from this embodiment, the embedding groove 6 is opened at the bottom of the buffer pad 4 and is fitted with the connecting protrusion 5. The embedding groove 6 and the connecting protrusion 5 cooperate to fix the buffer pad 4 to the cylinder body 11.

[0078] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. An elastic damping shock absorber, characterized in that: include: Sleeve (1), A piston rod (2), wherein the piston rod (2) is arranged at both ends of the sleeve (1), and a first spring is arranged between the piston rod (2); A damping spring (3) is arranged on one end of the piston rod (2) located in the sleeve (1) and abuts against the end of the sleeve (1).

2. The elastic damping shock absorber according to claim 1, characterized in that: The sleeve (1) comprises: A cylinder (11), wherein a closing section (111) is arranged at the center of the cylinder (11), and the first spring is arranged on the closing section (111); A closing cover (12), wherein the closing cover (12) is arranged at both ends of the cylinder (11), and the damping spring (3) is arranged between the piston rod (2) and the closing cover (12); Wherein, the closing cover (12) and the cylinder body (11) are threadedly connected.

3. The elastic damping shock absorber according to claim 2, characterized in that: The piston rod (2) comprises: A mating end (21), the mating end (21) being tangent to the inner wall surface of the cylinder (11), a connecting boss (211) being arranged on the end surface of the mating end (21) and mating with the first spring; A connecting end (22), the connecting end (22) passes through the closing cover (12) and extends to the outside, and a stopper (221) is provided on the connecting end (22), a second spring (222) is provided between the stopper (221) and the closing cover (12), and the connecting end (22) is threadedly connected to the mating end (21); Wherein, the damping spring (3) is arranged on the outside of the matching end (21) and abuts against the closing cover (12).

4. The elastic damping shock absorber according to claim 3 is characterized in that include: A buffer pad (4) is arranged on the end surfaces at both ends of the closing section (111).

5. The elastic damping shock absorber according to claim 4 is characterized in that include: A buffer layer (41), wherein the buffer layer (41) is arranged on the inner wall surface of the cylinder (11) and is located on both sides of the closing section (111); Wherein, the buffer layer (41) and the buffer pad (4) are integrally formed.

6. The elastic damping shock absorber according to claim 5, characterized in that include: The connecting protrusions (5) are arranged on both sides of the closing section (111) and are connected to the buffer pad (4) in a limiting manner.

7. The elastic damping shock absorber according to claim 6 is characterized in that include: The embedding groove (6) is arranged at the bottom of the buffer pad (4) and is embedded with the connecting protrusion (5).

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