CN220331149U - Positioning device and shock absorber used to assist shock absorber assembly - Google Patents

Abstract

The utility model relates to the technical field of automobile shock absorber assembly, in particular to a positioning device for assisting in shock absorber assembly and a shock absorber. The positioning device for assisting in the assembly of the shock absorber comprises: the positioning piece is formed into a cylindrical structure and is clamped between the oil storage cylinder and the separation cylinder; at least part of the inner wall of the positioning piece is attached to the outer wall of the separation cylinder, and at least part of the outer wall of the positioning piece is attached to the inner wall of the oil storage cylinder, so that the axes of the oil storage cylinder and the separation cylinder are collinear; the lateral wall of setting element has the opening, and the opening corresponds the setting with the buffer joint. According to the utility model, the positioning piece is inserted between the oil storage cylinder and the separation cylinder to limit the radial direction of the shock absorber, so that the axes of the oil storage cylinder and the separation cylinder are always collinear in the assembly process of the shock absorber, the separation cylinder is prevented from deflecting, the smooth installation of the guide seat is ensured, the piston rod is prevented from deviating from the center, and the side grinding is prevented, thereby prolonging the service life of the shock absorber.

Description

Positioning device and shock absorber used to assist shock absorber assembly

Technical field

The utility model relates to the technical field of automobile shock absorber assembly, and in particular to a positioning device and a shock absorber used to assist the assembly of the shock absorber.

Background technique

The suspension system of a car is equipped with a shock absorber, which is mainly used to suppress the oscillation when the spring rebounds after absorbing vibration and the impact from the road surface, thereby improving the stability of the car during driving. The existing shock absorber assembly structure is shown in Figure 1. During assembly, you need to first put the buffer joint 2' into the corresponding hole, and then assemble the electromagnet assembly 1' on the casing 3 along the direction of the force F. ' Inside, during the assembly process, the electromagnet assembly 1' first contacts the pilot valve 4', and then contacts the end face of the buffer joint 2'.

In the assembly process of the shock absorber, the guide seat 7' is installed after the electromagnet assembly 1'. The shock absorber has no radial limit. The influence of the force F can easily cause the entire separation assembly 5' to deflect. The installation of the shock absorber becomes loose, and even the guide seat 7' cannot be installed; in addition, it is easy to cause the piston rod 6' to deviate from the center after installation, causing side wear, thus affecting the service life of the shock absorber.

Utility model content

In view of this, the purpose of this application is to provide a positioning device and a shock absorber for assisting the assembly of a shock absorber, so as to solve the problem that the separation assembly is prone to occur due to no radial limit during the assembly process of the existing shock absorber. Deflection causes the guide seat to be unable to be installed, and the installed piston rod is easily deviated from the center, causing side wear, which causes the shock absorber to become loose in installation and affects the service life of the shock absorber.

A first aspect of the utility model provides a positioning device for assisting the assembly of a shock absorber. The shock absorber includes an oil storage cylinder, a separation oil cylinder installed inside the oil storage cylinder, and a separation oil cylinder installed between the oil storage cylinder and the oil storage cylinder. Separate the buffer joint on the side of the oil cylinder, wherein the positioning device used to assist the assembly of the shock absorber includes:

The positioning piece is formed into a cylindrical structure. The positioning piece is sandwiched between the oil storage cylinder and the separation oil cylinder; at least part of the inner wall of the positioning piece is in contact with the outer wall of the separation oil cylinder, and the At least part of the outer wall of the positioning member is in contact with the inner wall of the oil storage cylinder, so that the axis of the oil storage cylinder is collinear with the axis of the separation oil cylinder;

The side wall of the positioning member has an opening, and the opening is provided corresponding to the buffer joint.

Preferably, along the extension direction of the axis of the positioning member, the opening runs through the main body of the positioning member, so that the projection of the positioning member on a plane perpendicular to its axis forms an arc-shaped structure.

Preferably, the central angle of the arc-shaped structure is 180°.

Preferably, the outer wall of the positioning member is formed into a stepped structure, and the size of the outer wall of the positioning member gradually decreases along the direction in which the positioning member extends into the oil storage tank.

Preferably, a groove is formed on the inner wall of the positioning member, and the groove wall of the groove fits the separation oil cylinder.

Preferably, along the axis extension direction of the positioning member, the two ends of the positioning member are respectively formed into a first end and a second end; the first end extends into the interior of the oil storage cylinder, so The second end is located outside the oil storage cylinder.

Preferably, the inner wall of the second end is formed into a tapered expansion structure, and the radial size of the inner wall of the second end gradually increases along the direction in which the positioning member extends out of the oil storage cylinder.

Preferably, the positioning device for auxiliary shock absorber assembly further includes:

A handle is provided on the outer wall of the second end, and the handle is formed into an L-shaped structure.

Preferably, the positioning member is formed of aluminum material.

A second aspect of the present invention provides a shock absorber, including the positioning device described in any of the above technical solutions for assisting the assembly of the shock absorber.

Compared with the existing technology, the beneficial effects of this utility model are:

The positioning device of the utility model is used to assist the assembly of the shock absorber. The positioning piece is inserted between the oil storage cylinder and the separation oil cylinder, and is fitted with the oil storage cylinder and the separation oil cylinder respectively, so as to realize the radial limit of the shock absorber. , so that the axis of the oil storage cylinder and the axis of the separation cylinder are always collinear during the assembly process of the shock absorber, avoiding the deflection of the separation cylinder and ensuring the smooth installation of the guide seat, thereby avoiding loose installation of the shock absorber and ensuring the product of the shock absorber performance; in addition, the use of positioning parts to assist in the installation of the shock absorber can ensure that the piston rod will not deviate from the center and avoid side wear, thus extending the service life of the shock absorber.

In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, preferred embodiments are given below and described in detail with reference to the attached drawings.

Description of the drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The accompanying drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the assembly structure of a shock absorber in the prior art;

Figure 2 is a schematic structural diagram of a positioning device for assisting the assembly of a shock absorber provided by an embodiment of the present invention;

Figure 3 is a schematic structural diagram of a positioning device for assisting shock absorber assembly provided by an embodiment of the present invention from another perspective;

Figure 4 is a schematic diagram of the assembly structure of a positioning device for auxiliary shock absorber assembly, an oil storage cylinder, and a separation oil cylinder according to an embodiment of the present invention.

Icon: 1'-electromagnet assembly; 2'-buffer joint; 3'-casing; 4'-pilot valve; 5'-separation assembly; 6'-piston rod; 7'-guide seat; 10-storage Oil cylinder; 20-separating oil cylinder; 30-positioning piece; 31-opening; 32-first step part; 33-second step part; 34-third step part; 35-groove; 36-first end; 37 - Second end; 38 - Handle.

Detailed ways

The following detailed description is provided to help the reader gain a comprehensive understanding of the methods, devices and/or systems described herein. However, various changes, modifications, and equivalents to the methods, apparatus, and/or systems described herein will be apparent upon understanding the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but other than operations that must occur in a specific order, may be made that will be apparent upon understanding the disclosure of this application. changes. Furthermore, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

Features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways of implementing the methods, apparatus, and/or systems described herein that will become apparent upon understanding the disclosure of this application.

Throughout this specification, when an element (such as a layer, region, or substrate) is referred to as being "on," "connected to" another element, "coupled to" another element, or "in" another element, When an element is "on" or "covers" another element, it can be "directly on," "connected to" another element, "coupled to" another element, or "in" another element. On" or "covering" another element, or there may be one or more other elements intervening therebetween. In contrast, when an element is described as being "directly on" another element, "directly connected to" another element, "directly coupled to" another element, "directly on" another element or "directly covers" another element without the presence of other elements in between.

As used herein, the term "and/or" includes any one and any combination of two or more of the associated listed items.

Although terms such as "first", "second" and "third" may be used herein to describe various members, components, regions, layers or sections, these members, components, regions, layers or sections are not defined by these terms. restricted. Rather, these terms are only used to distinguish one member, component, region, layer or section from another member, component, region, layer or section. Thus, a first member, component, region, layer or section referred to in the examples described herein could be termed a second member, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatially relative terms, such as “on,” “upper,” “below,” and “lower,” may be used herein to describe the relationship of one element to another as illustrated in the figures. component relationship. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to another element would then be oriented "below" or "lower" relative to the other element. Thus, the term "on" includes both "above" and "below" depending on the spatial orientation of the device. The device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

The terms used herein are used only to describe various examples and are not intended to limit the disclosure. The singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. The terms "comprises," "comprises," and "having" enumerate the presence of stated features, quantities, operations, components, elements, and/or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, Operations, components, elements and/or combinations thereof.

Due to manufacturing techniques and/or tolerances, variations in the shapes shown in the drawings may occur. Accordingly, the examples described herein are not limited to the specific shapes shown in the drawings, but include changes in shape that occur during manufacturing.

Features of the examples described herein may be combined in various ways that will become apparent upon understanding the disclosure of this application. Furthermore, while the examples described herein have a wide variety of configurations, other configurations are possible, as will be apparent upon understanding the disclosure of this application.

According to a first aspect of the present invention, a positioning device for assisting the assembly of a shock absorber is provided, which includes a positioning member 30 .

Hereinafter, the specific structure of the above-mentioned components of the positioning device for assisting shock absorber assembly according to the present embodiment will be described.

In this embodiment, the shock absorber includes an oil storage cylinder 10 , a separation oil cylinder 20 installed inside the oil storage cylinder 10 , and buffer joints installed on the sides of the oil storage cylinder 10 and the separation oil cylinder 20 .

In this embodiment, as shown in Figures 2 to 4, the positioning member 30 is formed into a cylindrical structure and is sandwiched between the oil storage cylinder 10 and the separation oil cylinder 20; when the positioning member 30 extends into the oil storage cylinder 10 and the separation oil cylinder 20, at least part of the inner wall of the positioning member 30 is in contact with the outer wall of the separation oil cylinder 20, and at least part of the outer wall of the positioning member 30 is in contact with the inner wall of the oil storage cylinder 10 to fill the gap between the oil storage cylinder 10 and the separation oil cylinder. 20, so as to realize the radial limit of the shock absorber, so that the axis of the oil storage cylinder 10 and the axis of the separation cylinder 20 are always collinear during the assembly of the shock absorber, ensuring that during the assembly of the shock absorber , even if the separation cylinder 20 is subjected to a lateral force, it will not be deflected, and the piston rod can be prevented from being eccentric.

In this embodiment, as shown in FIGS. 2 to 4 , the positioning member 30 is formed into a cylindrical tubular structure to match the shapes of the oil storage cylinder 10 and the separation oil cylinder 20 , which helps the positioning member 30 to be able to respectively It fits the outer wall of the separation oil cylinder 20 and the inner wall of the oil storage cylinder 10 .

In a preferred embodiment, the positioning member 30 is made of aluminum, which has the advantage of being light in weight.

In addition, in this embodiment, as shown in Figure 4, the side wall of the positioning member 30 has an opening 31. The opening 31 is provided corresponding to the installation position of the buffer joint, so that when the positioning member 30 extends into the oil storage cylinder 10 and the separation oil cylinder 20 The opening 31 can avoid the part of the separation cylinder 20 used for assembling the buffer joint, thereby ensuring the smooth installation of the shock absorber.

In the preferred embodiment, as shown in FIG. 3 , the opening 31 runs through the main body of the positioning member 30 along the axis extension direction of the positioning member 30 , so that the projection of the positioning member 30 on a plane perpendicular to its axis is formed into an arc shape. structure, so that when extending the positioning member 30 between the oil storage cylinder 10 and the separation oil cylinder 20, there is no need to deliberately control the depth of the positioning member 30 extending into the oil storage cylinder 10, and it can also ensure that the opening 31 can be set corresponding to the installation position of the buffer joint. It is ensured that the installation position of the buffer joint will not be blocked by the positioning member 30, thereby improving the assembly efficiency of the shock absorber.

Further, in one embodiment, the central angle of the arc-shaped structure projected on the plane perpendicular to its axis of the positioning member 30 is 180°, thus ensuring that the gap between the separation oil cylinder 20 and the oil storage cylinder 10 can be positioned The parts 30 are filled to prevent the positioning parts 30 from shaking between the separation oil cylinder 20 and the oil storage cylinder 10 to achieve effective limiting, thereby ensuring that the axis of the oil storage cylinder 10 and the axis of the separation oil cylinder 20 are always consistent during the assembly of the shock absorber. Wire.

In this embodiment, as shown in FIG. 2 , the outer wall of the positioning member 30 is formed into a stepped structure. Specifically, along the direction in which the positioning member 30 extends into the oil storage cylinder 10 , the size of the outer wall of the positioning member 30 decreases sequentially, so that It is convenient for the positioning member 30 to extend into the gap between the separation oil cylinder 20 and the oil storage cylinder 10 .

In one embodiment, the outer wall of the positioning member 30 is divided into a three-level stepped structure. Specifically, the outer wall of the positioning member 30 has a first step portion 32, a second step portion 33, and a third step portion 34; wherein, the third step portion is The radial dimension of the first stepped portion 32 <the radial dimension of the second stepped portion 33 <the radial dimension of the third stepped portion 34 , and the radial dimension of the third stepped portion 34 may be 50 mm.

Since the separation cylinder 20 is installed on the outer wall of the casing, the separation cylinder 20 is formed into a structure protruding from the outer wall of the casing. In this embodiment, as shown in Figure 2, a groove 35 is formed on the inner wall of the positioning member 30. The groove 35 is arranged radially around the positioning member 30, and the groove wall of the groove 35 fits the separation cylinder 20 to ensure that the positioning member 30 and the separation cylinder 20 are in close contact, thereby ensuring reliable position limiting.

In this embodiment, as shown in FIGS. 2 to 3 , along the axis extension direction of the positioning member 30 , the two ends of the positioning member 30 are respectively formed into a first end 36 and a second end 37 ; when the positioning member 30 When extending between the oil storage cylinder 10 and the separation oil cylinder 20, the first end 36 extends into the inside of the oil storage cylinder 10, and the second end 37 is located outside the oil storage cylinder 10, so that after the shock absorber is assembled, it is convenient to remove the positioning member. 30. Pull out the oil storage cylinder 10.

Further, in this embodiment, as shown in Figures 2 and 3, the positioning device for assisting the assembly of the shock absorber also includes a handle 38 provided on the outer wall of the second end 37, so that the assembler can hold the handle 38 exerts force to further facilitate the extraction of the positioning member 30 from the oil storage cylinder 10 . In a preferred embodiment, the handle 38 is formed into an L-shaped structure to avoid the outer wall of the oil storage tank 10 and prevent the handle 38 from interfering when the positioning member 30 extends into the oil storage tank 10 .

Furthermore, in this embodiment, as shown in FIGS. 2 and 4 , the inner wall of the second end 37 is formed into a tapered flaring structure. Specifically, along the direction in which the positioning member 30 extends out of the oil storage cylinder 10 , The radial dimensions of the inner walls of the two ends 37 gradually increase, thereby facilitating the assembly of the piston rod and the guide seat.

According to the positioning device for auxiliary shock absorber assembly according to the present invention, the structure is simple and the cost is low. The positioning member is inserted between the oil storage cylinder and the separation oil cylinder, and is fitted with the oil storage cylinder and the separation oil cylinder respectively to achieve the reduction. The radial limit of the shock absorber makes the axis of the oil storage cylinder and the axis of the separation cylinder always collinear during the assembly process of the shock absorber, avoiding the deflection of the separation cylinder and ensuring the smooth installation of the guide seat; in addition, the positioning piece is used to assist Installing a shock absorber can ensure that the piston rod does not deviate from the center and avoid side wear.

A second aspect of the present invention provides a shock absorber. The positioning device for assisting the assembly of the shock absorber as described in the above embodiment is used to assist the assembly of the shock absorber, which can prevent the shock absorber from being installed loosely, and effectively Extend the service life of the shock absorber to ensure that the product performance of the shock absorber meets the usage requirements.

Finally, it should be noted that the above-mentioned embodiments are only specific implementation modes of the present application, and are used to illustrate the technical solutions of the present application, but not to limit them. The protection scope of the present application is not limited thereto. Although refer to the foregoing The embodiments describe the present application in detail. Those of ordinary skill in the art should understand that any person familiar with the technical field can still modify the technical solutions recorded in the foregoing embodiments within the technical scope disclosed in the present application. It is possible to easily think of changes, or to make equivalent substitutions for some of the technical features; and these modifications, changes or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and they should all be covered by this application. within the scope of protection. Therefore, the protection scope of this application should be determined by the protection scope of the claims.

Claims (10)

1. A positioning device for assisting the assembly of a shock absorber. The shock absorber includes an oil storage cylinder, a separation oil cylinder installed inside the oil storage cylinder, and a buffer installed on the sides of the oil storage cylinder and the separation oil cylinder. Joint, characterized in that the positioning device used to assist the assembly of the shock absorber includes: The positioning piece is formed into a cylindrical structure. The positioning piece is sandwiched between the oil storage cylinder and the separation oil cylinder; at least part of the inner wall of the positioning piece is in contact with the outer wall of the separation oil cylinder, and the At least part of the outer wall of the positioning member is in contact with the inner wall of the oil storage cylinder, so that the axis of the oil storage cylinder is collinear with the axis of the separation oil cylinder; The side wall of the positioning member has an opening, and the opening is provided corresponding to the buffer joint. 2. The positioning device for auxiliary shock absorber assembly according to claim 1, characterized in that, along the axis extension direction of the positioning member, the opening penetrates the main body of the positioning member, so that the positioning member The projection of the piece on a plane perpendicular to its axis forms an arc-shaped structure. 3. The positioning device for auxiliary shock absorber assembly according to claim 2, characterized in that the central angle of the arc-shaped structure is 180°. 4. The positioning device for auxiliary shock absorber assembly according to claim 1, characterized in that the outer wall of the positioning member is formed into a stepped structure, along the direction in which the positioning member extends into the oil storage cylinder, The size of the outer wall of the positioning member decreases in sequence. 5. The positioning device for auxiliary shock absorber assembly according to claim 1, characterized in that a groove is formed on the inner wall of the positioning member, and the groove wall of the groove fits the separation oil cylinder. 6. The positioning device for auxiliary shock absorber assembly according to claim 1, characterized in that, along the axis extension direction of the positioning member, the two ends of the positioning member are respectively formed into a first end and a first end. The second end portion; the first end portion extends into the interior of the oil storage cylinder, and the second end portion is located outside the oil storage cylinder. 7. The positioning device for auxiliary shock absorber assembly according to claim 6, characterized in that the inner wall of the second end is formed into a tapered flaring structure, and the storage tank extends out along the positioning member. In the direction of the oil cylinder, the radial size of the inner wall of the second end gradually increases. 8. The positioning device for auxiliary shock absorber assembly according to claim 6, characterized in that the positioning device for auxiliary shock absorber assembly further includes: A handle is provided on the outer wall of the second end, and the handle is formed into an L-shaped structure. 9. The positioning device for auxiliary shock absorber assembly according to claim 1, characterized in that the positioning member is formed of aluminum material. 10. A shock absorber, characterized by comprising the positioning device for assisting the assembly of the shock absorber according to any one of claims 1 to 9.