CN214698942U

CN214698942U - Piston structure for damping guider

Info

Publication number: CN214698942U
Application number: CN202120404375.XU
Authority: CN
Inventors: 蔡迎伟
Original assignee: Ningbo Shunda Powder Metallurgy Industry Co ltd
Current assignee: Ningbo Shunda Powder Metallurgy Industry Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-12
Anticipated expiration: 2031-02-24

Abstract

The present invention relates to a piston, and more particularly, to a piston structure for a damper guide, wherein the piston structure for a damper guide includes a piston body having a shaft hole to be fitted with an external piston rod, the piston body further having an annular protrusion, wherein the annular protrusion is adjacent to one end of the piston body; the first sleeving piece is connected with the piston body in a sleeving manner, and one end of the first sleeving piece abuts against the annular bulge; and the second sleeving piece is sleeved on the first sleeving piece, and the second sleeving piece is encapsulated. The utility model discloses can realize the advantage that the rubber coating is difficult for droing, small in noise, practicality are good through the structural configuration who utilizes its self effectively.

Description

Piston structure for damping guider

Technical Field

The present application relates to a piston, and more particularly, to a piston structure for a shock absorbing guide.

Background

At present, a plurality of rubber coating pistons are available on the market, but due to the structural design problem, when rubber coating is in contact with other parts due to other factors, the rubber coating is easy to deform, and then the rubber coating is easy to fall off. In view of this, it is necessary to design a piston structure for a shock-absorbing guide, which is not easy to fall off, has low noise and good practicability.

Therefore, a need exists for a piston structure for a shock absorbing guide that is not easily removed from the rubber coating, has low noise, and is highly practical.

Disclosure of Invention

The present application is directed to a piston structure for a shock absorbing guide, wherein the piston structure for a shock absorbing guide can effectively utilize its own structural configuration to achieve the advantages of difficult falling of an encapsulation and low noise.

Another object of the present application is to provide a piston structure for a damper guide, wherein the piston structure for a damper guide comprises a first sleeve member and a second sleeve member, wherein the second sleeve member is sleeved on the first sleeve member to improve the deformation resistance of the second sleeve member, so that the second sleeve member falls off from the first sleeve member.

Another object of the present application is to provide a piston structure for a damper guide, wherein the piston structure for a damper guide is simple in structure, convenient to operate, does not involve complicated manufacturing processes and expensive materials, has high economical efficiency, and is easy to popularize and use.

In order to achieve at least one of the above objects, the present application provides a piston structure for a damper guide, wherein the piston structure for a damper guide includes:

the piston body is provided with a shaft hole matched with the external piston rod and an annular bulge, wherein the annular bulge is close to one end of the piston body;

the first sleeving piece is connected with the piston body in a sleeving manner, and one end of the first sleeving piece abuts against the annular bulge; and

and the second sleeving part is sleeved on the first sleeving part and is encapsulated.

In one or more embodiments of the present application, the piston body further includes a plurality of oil holes, wherein the plurality of oil holes all penetrate through the piston body, and an axial direction of the oil holes is 30 ° to an axial direction of the shaft hole.

In one or more embodiments of the present application, the oil holes each have a diameter of 2 mm.

In one or more embodiments of the present application, the first sleeve member is a copper sleeve.

In one or more embodiments of the present application, the first sleeve has a first inclined plane, the first inclined plane is located on a side of the first sleeve away from the piston body, and the first inclined plane is close to the annular protrusion, wherein the second sleeve has a second inclined plane, and when the second sleeve is sleeved on the first sleeve, the second inclined plane is attached to the first inclined plane of the first sleeve.

In one or more embodiments of the present application, the second sleeve further has an abutting portion, and the abutting portion abuts against an end of the first sleeve facing away from the annular protrusion.

In one or more embodiments of the present application, the second coupling member further includes a skirt extending outwardly from a side of the second coupling member adjacent the annular projection.

In one or more embodiments of the present application, the piston body further has an annular groove at one end of the piston body.

In one or more embodiments of the present application, the piston structure for a shock absorbing guide further includes an elastic member installed in the annular groove.

Drawings

These and/or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings of which:

fig. 1 illustrates a schematic structural view of a piston structure for a shock-absorbing guide.

Fig. 2 illustrates a cross-sectional view of a piston structure for a shock absorbing guide.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the inventors to enable a clear and consistent understanding of the application. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

While ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used only to distinguish one element from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

Summary of the application

At present, a plurality of rubber coating pistons are available on the market, but due to the structural design problem, when rubber coating is in contact with other parts due to other factors, the rubber coating is easy to deform, and then the rubber coating is easy to fall off.

Based on this, a piston structure for a damping guider, which is not easy to fall off in rubber coating, low in noise and good in practicability, is needed.

Based on above-mentioned technical problem, this application provides a piston structure for shock attenuation director, wherein, a piston structure for shock attenuation director simple structure does not relate to complicated manufacturing process and expensive material, has higher economic nature, simultaneously, to the producer, the piston structure for shock attenuation director that this application provided is easily produced, and low cost, more is favorable to controlling manufacturing cost, further is favorable to the product to promote and use.

Exemplary piston Structure for a shock absorbing guide

Referring to fig. 1 to 2, according to the present invention, a piston structure for a shock absorbing guide, wherein the piston structure for a shock absorbing guide is provided with features of high structural strength and good shock resistance. The present invention is explained in detail below to facilitate understanding of the present invention.

Specifically, the piston structure for the shock absorbing guide includes a piston body 10, wherein the piston body 10 has a shaft hole 101 to be fitted with an external piston rod.

Further, the piston body 10 further has a plurality of oil holes 102, wherein the plurality of oil holes 102 all penetrate through the piston body 10. It is worth mentioning that the axial direction of the oil hole 102 and the axial direction of the shaft hole 101 form an angle of 30 °

Further, the oil holes 102 each have a diameter of 2 mm.

Further, the piston body 10 further has an annular protrusion 11, wherein the annular protrusion 11 is close to one end of the piston body 10.

Specifically, the piston structure for the shock absorption guide device further comprises a first sleeve piece 20, the first sleeve piece is connected with the piston body 10 in a sleeved mode, and one end of the first sleeve piece 20 abuts against the annular protrusion 11.

It should be noted that the first sleeve 20 is implemented as a copper sleeve, and the bore diameter of the first sleeve 20 is smaller than the cross-sectional diameter of the piston body 10, so that the first sleeve 20 and the piston body 10 form an interference fit. In addition, the interference fit is only an example, and the connection manner of the first sleeve 20 and the piston body 10 includes, but is not limited to, a snap connection and an interference fit, and the present invention is not limited in this respect.

Specifically, the piston structure for a shock absorbing guide further includes a second bushing 30, wherein the second bushing 30 is sleeved to the first bushing 20.

Specifically, as shown in fig. 2, the first sleeve 20 has a first inclined surface 21, the first inclined surface 21 is located on a side of the first sleeve 20 facing away from the piston body 10, and the first inclined surface 21 is close to the annular protrusion 11. Further, the second sleeve member 30 has a second inclined surface 31, and when the second sleeve member 30 is sleeved on the first sleeve member 20, the second inclined surface 31 is attached to the first inclined surface 21 of the first sleeve member 20. It should be noted that the second sleeve member 30 has an abutting portion 32, and the abutting portion 32 is attached to an end of the first sleeve member 20 away from the annular protrusion 11, so that the second sleeve member 30 cannot easily separate from the first sleeve member 20. It should be noted that the first sleeve 20 can be encapsulated, and many encapsulated pistons are needed in the market, but due to the structural design problem, when the encapsulation contacts with other components, the encapsulation is easy to deform and fall off. In addition, the utility model discloses a second cover union piece 30 cup joints the mode on the first cover union piece 20 is in order to improve the resistance to deformation ability of second cover union piece 30.

Further, the second socket member 30 further has a skirt 33, and the skirt 33 extends outward from a side of the second socket member 30 adjacent to the annular protrusion 11.

Further, the piston body 10 further has an annular groove 103, and the annular groove 103 is located at one end of the piston body 10 close to the abutting portion 32.

Further, the piston structure for a shock absorbing guide further includes an elastic member 40, and the elastic member 40 is installed in the annular groove 103. Further, the elastic member 40 may be further implemented as a rubber ring.

In summary, the piston structure for the shock absorption guider based on the embodiment of the application is clarified, and the piston structure for the shock absorption guider has the advantages that the rubber coating is not easy to fall off, the noise is low, the practicability is high, and the like.

It is worth mentioning that, in the embodiment of the present application, the piston for the damper guide has a simple structure, does not involve a complicated manufacturing process and expensive materials, and has high economical efficiency. Simultaneously, to the manufacture factory, the piston structure for shock attenuation director that this application provided is easily produced, and low cost, more is favorable to controlling manufacturing cost, further is favorable to the product to promote and use.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and any variations or modifications may be made without departing from the principles of the present invention.

Claims

1. A piston structure for a shock absorbing guide, characterized by comprising:

2. The piston structure for a shock absorbing guide according to claim 1, wherein said piston body further has a plurality of oil holes, wherein each of said plurality of oil holes penetrates said piston body, and an axial direction of said oil hole is 30 ° from an axial direction of said shaft hole.

3. The piston structure for a shock absorbing guide according to claim 2, wherein the oil holes each have a diameter of 2 mm.

4. The piston structure for a shock absorbing guide as set forth in claim 3, wherein said first bushing member is a copper bushing.

5. The piston structure for a shock absorbing guide as set forth in claim 4, wherein said first spigot has a first inclined surface located on a side of said first spigot facing away from said piston body, and said first inclined surface is adjacent to said annular projection, wherein said second spigot has a second inclined surface abutting said first inclined surface of said first spigot when said second spigot is received in said first spigot.

6. The piston structure for a shock absorbing guide as set forth in claim 5, wherein said second bushing member further has an abutting portion abutting an end of said first bushing member facing away from said annular projection.

7. The piston structure for a shock absorbing guide as set forth in claim 6, wherein said second coupler further has a skirt extending outwardly from a side of said second coupler adjacent said annular boss.

8. The piston structure for a shock absorbing guide according to claim 7, wherein said piston body further has an annular groove, said annular groove being located at one end of said piston body.

9. The piston structure for a shock absorbing guide according to claim 8, wherein said piston structure for a shock absorbing guide further comprises an elastic member, said elastic member being fitted in said annular groove.