CN220331149U - Positioning device for assisting assembly of shock absorber and shock absorber - 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 for assisting assembly of shock absorber and shock absorber

Technical Field

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.

Background

The shock absorber is arranged in the suspension system of the automobile and is mainly used for inhibiting oscillation and impact from road surfaces when the spring rebounds after absorbing the vibration, so that the stability of the automobile in the running process is improved. Referring to fig. 1, the conventional damper assembly structure is shown, when in assembly, the buffer joint 2 'needs to be placed in the corresponding hole, then the electromagnet assembly 1' is assembled in the sleeve 3 'along the direction of the acting force F, and in the assembly process, the electromagnet assembly 1' is contacted with the pilot valve 4 'first, and then contacted with the end face of the buffer joint 2'.

In the assembly process of the shock absorber, the guide seat 7 'is arranged behind the electromagnet assembly 1', the shock absorber is not limited in the radial direction, and the shock absorber is easily influenced by the acting force F to cause the whole separation assembly 5 'to deflect, so that the shock absorber is loose to be arranged, and even the guide seat 7' cannot be arranged; in addition, the piston rod 6' is easily off-centered after installation, causing side grinding, which affects the service life of the shock absorber.

Disclosure of Invention

In view of this, the purpose of this application provides a positioner and shock absorber for assisting shock absorber assembly to solve current shock absorber's assembly in-process because radially do not have spacingly, separation assembly produces the skew easily, leads to the unable installation of guide holder, and the piston rod after the installation is skew the center easily, causes the side to grind, thereby leads to the shock absorber to appear the installation loose, influences the problem of shock absorber's life.

The first aspect of the present utility model provides a positioning device for assisting in assembling a shock absorber, the shock absorber including a reservoir, a separate cylinder installed inside the reservoir, and a cushion joint installed at sides of the reservoir and the separate cylinder, wherein the positioning device for assisting in assembling a shock absorber includes:

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 axis of the oil storage cylinder is collinear with the axis of the separation cylinder;

the side wall of the positioning piece is provided with an opening, and the opening is arranged corresponding to the buffer joint.

Preferably, the opening penetrates through the main body of the positioning piece along the extending direction of the axis of the positioning piece, so that the projection of the positioning piece on a plane perpendicular to the axis of the positioning piece is formed into an arc-shaped structure.

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

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

Preferably, a groove is formed on the inner wall of the positioning piece, and the wall of the groove is attached to the separating oil cylinder.

Preferably, two ends of the positioning piece are respectively formed into a first end and a second end along the axial extension direction of the positioning piece; the first end portion extends into the interior of the reservoir and the second end portion is located outside of the reservoir.

Preferably, the inner wall of the second end portion is formed in a tapered flaring structure, and the radial dimension of the inner wall of the second end portion gradually increases along the direction in which the positioning member extends out of the reservoir.

Preferably, the positioning device for assisting in assembling the shock absorber further comprises:

and a handle disposed on an outer wall of the second end, the handle being formed in an L-shaped structure.

Preferably, the positioning member is formed of an aluminum material.

According to a second aspect of the utility model, there is provided a damper comprising a positioning device according to any of the above-mentioned aspects for assisting in the assembly of the damper.

Compared with the prior art, the utility model has the beneficial effects that:

according to the positioning device for assisting in assembling the shock absorber, the positioning piece is inserted between the oil storage cylinder and the separation cylinder and is respectively attached to the oil storage cylinder and the separation cylinder, so that radial limiting of the shock absorber is realized, the axis of the oil storage cylinder and the axis of the separation cylinder are always collinear in the assembling process of the shock absorber, the situation that the separation cylinder deflects is avoided, the smooth installation of the guide seat is ensured, the installation looseness of the shock absorber is avoided, and the product performance of the shock absorber is ensured; in addition, the shock absorber is installed in an auxiliary mode through the locating piece, the piston rod can be prevented from deviating from the center, side grinding is avoided, and therefore the service life of the shock absorber is prolonged.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an assembled structure of a prior art shock absorber;

FIG. 2 is a schematic view of a positioning device for assisting in assembling a shock absorber according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a positioning device for assisting in assembling a shock absorber according to an embodiment of the present utility model in another view;

fig. 4 is a schematic diagram of an assembly structure of a positioning device, a reservoir cylinder and a separation cylinder for assisting in assembling a shock absorber according to an embodiment of the present utility model.

Icon: 1' -electromagnet assembly; a 2' -buffer linker; 3' -cannula; 4' -pilot valve; a 5' -separation assembly; 6' -piston rod; 7' -guide seats; 10-an oil storage cylinder; 20-separating oil cylinders; 30-positioning pieces; 31-opening; 32-a first step; 33-a second step; 34-a third step; 35-grooves; 36-a first end; 37-a second end; 38-handle.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, apparatus, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatuses, and/or systems described herein will be apparent after an understanding of the present disclosure. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but rather, obvious variations may be made upon an understanding of the present disclosure, other than operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided solely to illustrate some of the many possible ways of implementing the methods, devices, and/or systems described herein that will be apparent after a review of the disclosure of the present application.

In the entire specification, when an element (such as a layer, region or substrate) is described as being "on", "connected to", "bonded to", "over" or "covering" another element, it may be directly "on", "connected to", "bonded to", "over" or "covering" another element or there may be one or more other elements interposed therebetween. In contrast, when an element is referred to as being "directly on," directly connected to, "or" directly coupled to, "another element, directly on," or "directly covering" the other element, there may be no other element intervening therebetween.

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

Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, component, region, layer or section discussed in examples described herein could also 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 "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. 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 "above … …" includes both orientations "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.

Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.

The features of the examples described herein may be combined in various ways that will be apparent after an understanding of the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure.

According to a first aspect of the present utility model there is provided a positioning device for assisting in the assembly of a shock absorber, comprising a positioning member 30.

Hereinafter, a specific structure of the above-described components of the positioning device for assisting in the assembly of the damper according to the present embodiment will be described.

In this embodiment, the shock absorber includes a reserve cylinder 10, a separate cylinder 20 installed inside the reserve cylinder 10, and a cushion joint installed at the sides of the reserve cylinder 10 and the separate cylinder 20.

In the present embodiment, as shown in fig. 2 to 4, the positioning member 30 is formed in a cylindrical structure and is interposed between the reservoir cylinder 10 and the separation cylinder 20; when the positioning piece 30 stretches into the space between the oil storage cylinder 10 and the separating cylinder 20, at least part of the inner wall of the positioning piece 30 is attached to the outer wall of the separating cylinder 20, and at least part of the outer wall of the positioning piece 30 is attached to the inner wall of the oil storage cylinder 10 so as to fill the gap between the oil storage cylinder 10 and the separating cylinder 20, so that radial limiting of the shock absorber is realized, the axis of the oil storage cylinder 10 and the axis of the separating cylinder 20 are always collinear in the assembly process of the shock absorber, deflection of a piston rod is prevented even if the separating cylinder 20 receives a lateral acting force in the assembly process of the shock absorber.

In the present embodiment, as shown in fig. 2 to 4, the positioning member 30 is formed in a cylindrical tube structure to be adapted to the shapes of the reserve cylinder 10 and the separation cylinder 20, so that the positioning member 30 can be fitted to the outer wall of the separation cylinder 20 and the inner wall of the reserve cylinder 10, respectively.

In a preferred embodiment, the retainer 30 is formed of aluminum, which has the advantage of being lightweight.

In addition, in the present embodiment, as shown in fig. 4, the sidewall of the positioning member 30 has an opening 31, and the opening 31 is disposed corresponding to the installation position of the cushion joint, so that when the positioning member 30 extends between the reserve cylinder 10 and the separation cylinder 20, the opening 31 can avoid the portion of the separation cylinder 20 for assembling the cushion joint, thereby ensuring smooth installation of the shock absorber.

In the preferred embodiment, as shown in fig. 3, along the extending direction of the axis of the positioning member 30, the opening 31 penetrates through the main body of the positioning member 30, so that the projection of the positioning member 30 on the plane perpendicular to the axis thereof is formed into an arc-shaped structure, thus, when the positioning member 30 is inserted between the reservoir 10 and the separation cylinder 20, the depth of the positioning member 30 inserted into the reservoir 10 does not need to be controlled intentionally, the opening 31 can be arranged corresponding to the installation position of the buffer joint, the installation position of the buffer joint is ensured not to be blocked by the positioning member 30, and the assembly efficiency of the shock absorber is improved.

Further, in one embodiment, the central angle of the arc-shaped structure of the projection of the positioning member 30 on the plane perpendicular to the axis thereof is 180 °, so that the gap between the separating cylinder 20 and the reserve cylinder 10 can be ensured to be filled by the positioning member 30, and the positioning member 30 is prevented from shaking between the separating cylinder 20 and the reserve cylinder 10, so as to realize effective limit, thereby ensuring that the axis of the reserve cylinder 10 and the axis of the separating cylinder 20 are always collinear in the process of assembling the shock absorber.

In the present embodiment, as shown in fig. 2, the outer wall of the positioning member 30 is formed in a stepped structure, specifically, the outer wall of the positioning member 30 is sequentially tapered in size in the direction in which the positioning member 30 extends into the reserve cylinder 10, so that the positioning member 30 extends into the gap between the separation cylinder 20 and the reserve cylinder 10.

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

Because the separating cylinder 20 is mounted on the outer wall of the sleeve, the separating cylinder 20 is formed to protrude from the outer wall of the sleeve, in this embodiment, as shown in fig. 2, a groove 35 is formed on the inner wall of the positioning member 30, the groove 35 is disposed around the radial direction of the positioning member 30, and the wall of the groove 35 is attached to the separating cylinder 20, so as to ensure that the positioning member 30 is attached to the separating cylinder 20, thereby ensuring that the positioning member 30 is limited reliably.

In the present embodiment, as shown in fig. 2 to 3, along the axis extending direction of the positioning member 30, both ends of the positioning member 30 are formed into a first end 36 and a second end 37, respectively; when the positioning member 30 extends between the reservoir 10 and the separation cylinder 20, the first end 36 extends into the interior of the reservoir 10 and the second end 37 is positioned outside the reservoir 10, thereby facilitating the removal of the positioning member 30 from the reservoir 10 after the assembly of the shock absorber is completed.

Further, in the present embodiment, as shown in fig. 2 and 3, the positioning device for assisting in assembling the shock absorber further includes a handle 38 provided at the outer wall of the second end 37, so that an assembler can hold the handle 38 to apply force to further facilitate the drawing of the positioning member 30 out of the reservoir 10. In the preferred embodiment, the handle 38 is formed in an L-shaped configuration to provide a relief to the outer wall of the reservoir 10 to avoid interference of the handle 38 when the retainer 30 extends into the reservoir 10.

Further, in the present embodiment, as shown in fig. 2 and 4, the inner wall of the second end portion 37 is formed in a tapered flaring structure, specifically, the radial dimension of the inner wall of the second end portion 37 is gradually increased in the direction in which the retainer 30 protrudes out of the reserve cylinder 10, thereby facilitating the assembly of the piston rod and the rod guide.

The positioning device for assisting in assembling the shock absorber is simple in structure and low in cost, the positioning piece is inserted between the oil storage cylinder and the separation cylinder and is respectively attached to the oil storage cylinder and the separation cylinder, so that radial limiting of the shock absorber is realized, the axis of the oil storage cylinder and the axis of the separation cylinder are always collinear in the assembling process of the shock absorber, the situation that the separation cylinder deflects is avoided, and smooth installation of the guide seat is ensured; in addition, the shock absorber is installed in an auxiliary mode through the locating piece, the piston rod can be prevented from deviating from the center, and side grinding is avoided.

According to the damper, the positioning device for assisting in assembling the damper is used for assisting in assembling the damper, so that the condition that the damper is loose in installation can be avoided, the service life of the damper is effectively prolonged, and the product performance of the damper is guaranteed to meet the use requirement.

Finally, it should be noted that: the foregoing examples are merely specific embodiments of the present application, and are not intended to limit the scope of the present application, but the present application is not limited thereto, and those skilled in the art will appreciate that while the foregoing examples are described in detail, the present application is not limited thereto. Any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or make equivalent substitutions for some of the technical features within the technical scope of the disclosure of the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A positioning device for assisting in the assembly of a shock absorber, the shock absorber comprising a reservoir, a separate cylinder mounted inside the reservoir, and a cushion joint mounted on the sides of the reservoir and the separate cylinder, the positioning device for assisting in the assembly of a shock absorber comprising:

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 axis of the oil storage cylinder is collinear with the axis of the separation cylinder;

the side wall of the positioning piece is provided with an opening, and the opening is arranged corresponding to the buffer joint.

2. A positioning device for assisting damper fitting according to claim 1, wherein the opening penetrates the main body of the positioning member in the direction along which the axis of the positioning member extends, so that the projection of the positioning member on a plane perpendicular to the axis thereof is formed in an arc-shaped structure.

3. A positioning device for assisting shock absorber assembly in accordance with claim 2, wherein the central angle of said arcuate structure is 180 °.

4. The positioning device for assisting damper assembly according to claim 1, wherein an outer wall of the positioning member is formed in a stepped structure, and a size of the outer wall of the positioning member is sequentially decreased in a direction in which the positioning member extends into the reservoir.

5. The positioning device for assisting in assembling a shock absorber according to claim 1, wherein a groove is formed in an inner wall of the positioning member, and a wall of the groove is fitted to the separation cylinder.

6. The positioning device for assisting damper assembly according to claim 1, wherein both ends of the positioning member are formed into a first end portion and a second end portion, respectively, along an axis extending direction of the positioning member; the first end portion extends into the interior of the reservoir and the second end portion is located outside of the reservoir.

7. The positioning device for assisting damper assembly according to claim 6, wherein an inner wall of the second end portion is formed in a tapered flaring structure, and a radial dimension of the inner wall of the second end portion gradually increases in a direction in which the positioning member protrudes from the reservoir.

8. The positioning device for auxiliary damper assembly according to claim 6, further comprising:

and a handle disposed on an outer wall of the second end, the handle being formed in an L-shaped structure.

9. The positioning device for assisting damper assembly according to claim 1, wherein the positioning member is formed of an aluminum material.

10. A shock absorber comprising a positioning device according to any of claims 1 to 9 for assisting in assembly of the shock absorber.