CN215890922U - Vibration damper - Google Patents
Vibration damper Download PDFInfo
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- CN215890922U CN215890922U CN202122166202.1U CN202122166202U CN215890922U CN 215890922 U CN215890922 U CN 215890922U CN 202122166202 U CN202122166202 U CN 202122166202U CN 215890922 U CN215890922 U CN 215890922U
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- sleeve
- shock absorber
- dust cover
- piston rod
- extension
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Abstract
The utility model relates to the technical field of vibration reduction equipment, in particular to a vibration reducer. Including first sleeve, first sleeve tip is provided with the dust cover structure, the dust cover structure includes the disc main part, disc main part periphery is provided with the extension, the extension with be the obtuse angle between the disc main part, first sleeve with connect through annular weld part between the extension. Aiming at the technical problem that the welding between the dust cover and the shock absorber is poor, the utility model provides the shock absorber, so that the combination performance between the dust cover and the shock absorber is better, the sealing performance of the shock absorber is improved, and the service life of the shock absorber is prolonged.
Description
Technical Field
The utility model relates to the technical field of vibration reduction equipment, in particular to a vibration reducer.
Background
The shock absorber is as important component in the automotive suspension system, and the vehicle is in the operating mode that the shock absorber is located in the actual traveling, environment generally comparatively complicated, abominable, and the life and the security performance of shock absorber can be improved to good dustproof sealing performance, consequently can set up the dust cover on the shock absorber generally. During actual production and machining, the dust cover and the shock absorber are generally connected by electric welding, for example, five positions are arranged on the dust cover for spot welding, based on the structural characteristics and machining process of the dust cover. However, in the production process, the mode is easy to produce insufficient soldering and welding missing, and the shock absorber can be subjected to lateral impact in work and is easy to desolder, so that muddy water seeps into the shock absorber, and the service life of the shock absorber is shortened.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by the utility model
Aiming at the technical problem that the welding between the dust cover and the shock absorber is poor, the utility model provides the shock absorber, so that the combination performance between the dust cover and the shock absorber is better, the sealing performance of the shock absorber is improved, and the service life of the shock absorber is prolonged.
Technical scheme
In order to solve the problems, the technical scheme provided by the utility model is as follows:
the shock absorber comprises a first sleeve, a dust cover structure is arranged at the end of the first sleeve and comprises a disc-shaped main body, an extending portion is arranged on the periphery of the disc-shaped main body, an obtuse angle is formed between the extending portion and the disc-shaped main body, and the first sleeve and the extending portion are connected through an annular welding portion.
Optionally, the extension end is further provided with a transition surface.
Optionally, a second sleeve is arranged in the first sleeve, a third sleeve is further arranged in the second sleeve, and the second sleeve and the third sleeve are fixedly connected through an end cover; and a movable piston rod is arranged in the third sleeve.
Optionally, a first sealing element is arranged on the end cover, a first movable cavity is arranged on the first sealing element, and the piston rod is movably matched with the first movable cavity.
Optionally, the first sealing element is provided with a hoop.
Optionally, a positioning portion is arranged between the third sleeve and the end cover, a second movable cavity is arranged on the positioning portion, and the piston rod is movably matched with the second movable cavity.
Optionally, the disc-shaped body is provided with a raised portion in the middle.
Optionally, a reinforcement is provided between the end cap and the first seal.
Optionally, a second seal is provided on the positioning portion.
Optionally, a mounting portion is provided on one side of the dust cover structure.
Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the shock absorber provided by the utility model has the advantages that the combination performance between the dust cover and the shock absorber is better, the sealing performance of the shock absorber is improved, and the service life of the shock absorber is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a shock absorber according to an embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.
Example 1
With reference to fig. 1, the present embodiment provides a shock absorber, which includes a first sleeve 100, a dust cover structure is disposed at an end of the first sleeve 100, the dust cover structure includes a disk-shaped main body 101, an extension portion 102 is disposed on an outer periphery of the disk-shaped main body 101, an obtuse angle is formed between the extension portion 102 and the disk-shaped main body 101, and the first sleeve 100 and the extension portion 102 are connected by an annular welding portion.
According to the shock absorber, the extension part 102 is firmly combined with the first sleeve 100 by the aid of the annular welding part, so that the dust cover and the shock absorber are more easily connected, the combination performance of the dust cover and the shock absorber is better, and the sealing performance and the service life of the shock absorber are improved.
In this embodiment, the dust cover structure that first sleeve 100 tip set up, including disc main part 101, disc main part 101 periphery is provided with extension 102, extension 102 with be the obtuse angle between the disc main part 101, make extension 102 present the trend of expanding outward, utilize this kind of trend of expanding outward, can be when preliminary assembly, when extension 102 stretches into first sleeve 100 is inside promptly, guarantee the compactness that extension 102 and first sleeve 100 combine, and then promote the combination effect, be of value to the sealed effect between extension 102 and the first sleeve 100, and then be convenient for annular weld part can firmly be connected extension 102 and first sleeve 100 inner wall.
The annular welding portion in this embodiment is a welding material disposed around the extension portion 102, the welding material may be the same as or different from the material of the extension portion 102, after the welding material is hot-melted and cooled, it can be ensured that the extension portion 102 and the inner wall of the first sleeve 100 form a continuous joint portion, and the tight joint between the first sleeve 100 and the extension portion 102 is ensured, and compared with a welding spot, when the shock absorber of this embodiment is impacted laterally in operation, the first sleeve 100 and the extension portion 102 are not easily detached from each other, so that muddy water can be prevented from infiltrating into the shock absorber, and the service life of the shock absorber is prolonged.
In this embodiment, in order to facilitate the thermal fusion of the joint portion between the first sleeve 100 and the extension portion 102, the extension portion 102 of the dust cover structure and the end portion of the first sleeve 100 are overlapped and then disposed between two roller electrodes, the roller electrodes are energized, the extension portion 102 and the first sleeve 100 continuously move at a constant speed while the roller electrodes rotate, the welding current continuously passes through the joint portion between the first sleeve 100 and the extension portion 102, and the thermal fusion finally forms an annular welding portion, so that the joint portion between the extension portion 102 and the first sleeve 100 is realized in a seam welding manner.
As an alternative embodiment of this embodiment, the end of the extension 102 is further provided with a transition surface 103. In this embodiment, in order to facilitate the extension portion 102 to smoothly extend into the first sleeve 100 during initial assembly, a transition surface 103 is disposed at an end of the extension portion 102, and the transition surface 103 is an inclined surface or a curved surface disposed at an end of the extension portion 102, so as to form a guiding surface between the extension portion 102 and the first sleeve 100, so that the extension portion 102 can more easily extend into the first sleeve 100.
As an optional implementation manner of this embodiment, a second sleeve 105 is disposed in the first sleeve 100, a third sleeve 106 is further disposed in the second sleeve 105, and the second sleeve 105 and the third sleeve 106 are fixedly connected through an end cover 107; a movable piston rod 108 is arranged in the third sleeve 106. In this embodiment, the second sleeve 102 is disposed in the first sleeve 100 and used for storing oil, the third sleeve 106 disposed in the second sleeve 105 is a working cylinder, and the movement of the inner piston rod 108 is blocked by controlling the oil in the third sleeve 106, so as to achieve the vibration absorbing and reducing effect of the vibration absorber; the second sleeve 105 and the third sleeve 106 are fixedly connected through the end cover 107, and the end cover 107 simultaneously has a sealing effect on the second sleeve 105 and the third sleeve 106, so that oil is prevented from leaking.
As an optional implementation manner of this embodiment, a first sealing member 109 is disposed on the end cap 107, a first movable cavity is disposed on the first sealing member 109, and the piston rod 108 is movably engaged with the first movable cavity. In this embodiment, in order to prevent the piston rod 108 from moving, oil in the third sleeve 106 is taken out, so that the end cover 107 is provided with the first sealing element 109, the piston rod 108 moves through the first movable cavity of the first sealing element 109, and the piston rod 108 and the first movable cavity are matched relatively tightly, so that too much oil taken out by the piston rod 108 can be reduced or even avoided.
As an optional implementation manner of this embodiment, the first sealing element 109 is provided with an anchor ear 110. In order to further reduce the excessive oil brought out by the piston rod 108, an anchor ear 110 may be disposed on the first sealing element 109, so that the piston rod 108 and the first sealing element 109 are more tightly fitted, and an interference fit effect is achieved, so as to prevent the oil from being brought out.
Example 2
The embodiment provides a shock absorber, which is improved on the basis of the embodiment 1 as follows: a positioning portion 111 is arranged between the third sleeve 106 and the end cover 107, a second movable cavity is arranged on the positioning portion 111, and the piston rod 108 is movably matched with the second movable cavity. In this embodiment, in order to ensure the stability of the movement of the piston rod 108, a positioning portion 111 may be disposed between the third sleeve 106 and the end cover 107, the piston rod 108 passes through a second movable cavity on the positioning portion 111 to move, and the second movable cavity plays a corresponding limiting role in the piston rod 108.
As an alternative embodiment of this embodiment, the middle of the disc-shaped main body 101 is provided with a convex part 104. Since the shock absorber is mounted to the vehicle body, typically the end of the piston rod 108 and one end of the shock absorber, such as the dust shield structure in this embodiment, are connected to the vehicle body and the suspension, respectively. Therefore, the dust cover structure also can receive corresponding impact, for coping with the impact, weaken the influence that this kind of impact set up the dust cover, this embodiment is provided with bellying 104 at disc main part 101 middle part, and bellying 104 is the atress portion, is certain contained angle hunch-up between bellying 104 and the disc main part 101 for the reply is strikeed, thereby avoids strikeing and causes droing or producing corresponding influence to the shock absorber of dust cover, and then promotes the life of shock absorber.
As an alternative embodiment of this embodiment, a reinforcement member 112 is disposed between the end cap 107 and the first seal member 109. Since the first seal 109 is always rubbed by the piston rod 108, in order to ensure the stability of the arrangement of the first seal 109, a reinforcing member 112 may be disposed between the end cap 107 and the first seal 109, and the stable arrangement of the first seal 109 is realized by the reinforcing member 112.
As an optional embodiment of this embodiment, a second sealing member 113 is disposed on the positioning portion 111. In this embodiment, in order to further reduce or even prevent the piston rod 108 from carrying too much oil, the second sealing element 113 may be disposed on the positioning portion 111, and the interference fit between the second sealing element 113 and the piston rod 108 is utilized to reduce the oil from being carried out.
As an alternative embodiment of this embodiment, the dust cover structure is provided with a mounting portion on one side. In order to facilitate the installation and assembly of the shock absorber and the vehicle body, an installation part can be arranged on one side of the dust cover structure, and the installation part is matched with the vehicle body structure or the suspension structure so as to realize the firm combination of the shock absorber and the vehicle body.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (10)
1. The shock absorber is characterized by comprising a first sleeve, wherein a dust cover structure is arranged at the end of the first sleeve, the dust cover structure comprises a disc-shaped main body, an extending part is arranged on the periphery of the disc-shaped main body, an obtuse angle is formed between the extending part and the disc-shaped main body, and the first sleeve is connected with the extending part through an annular welding part.
2. A damper according to claim 1 wherein said extension end is further provided with a transition surface.
3. The shock absorber according to claim 1, wherein a second sleeve is arranged in the first sleeve, a third sleeve is arranged in the second sleeve, and the second sleeve and the third sleeve are fixedly connected through an end cover; and a movable piston rod is arranged in the third sleeve.
4. A shock absorber according to claim 3, wherein said end cap is provided with a first seal member, said first seal member being provided with a first movable chamber, said piston rod being movably engaged with the first movable chamber.
5. A damper according to claim 4, wherein said first seal member is provided with anchor ears.
6. A shock absorber according to claim 3, wherein a locating portion is provided between the third sleeve and the end cap, a second movable chamber is provided in the locating portion, and the piston rod is movably engaged with the second movable chamber.
7. A damper according to claim 1, characterized in that the disc-shaped body is provided with a raised portion in the middle.
8. A shock absorber according to claim 4, wherein a reinforcing member is provided between the end cap and the first seal member.
9. A shock absorber according to claim 6, wherein the locating portion is provided with a second seal.
10. A shock absorber according to claim 1, wherein said dust shield structure is provided with a mounting portion on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166202.1U CN215890922U (en) | 2021-09-08 | 2021-09-08 | Vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166202.1U CN215890922U (en) | 2021-09-08 | 2021-09-08 | Vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890922U true CN215890922U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122166202.1U Active CN215890922U (en) | 2021-09-08 | 2021-09-08 | Vibration damper |
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| Country | Link |
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| CN (1) | CN215890922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145913A (en) * | 2023-10-27 | 2023-12-01 | 万向钱潮股份公司 | Automobile shock absorber and manufacturing method thereof |
-
2021
- 2021-09-08 CN CN202122166202.1U patent/CN215890922U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145913A (en) * | 2023-10-27 | 2023-12-01 | 万向钱潮股份公司 | Automobile shock absorber and manufacturing method thereof |
| CN117145913B (en) * | 2023-10-27 | 2024-02-02 | 万向钱潮股份公司 | Automobile shock absorber and a method of manufacturing the same |
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