CN216975638U - Shock absorber and vehicle with same - Google Patents
Shock absorber and vehicle with same Download PDFInfo
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- CN216975638U CN216975638U CN202122368218.0U CN202122368218U CN216975638U CN 216975638 U CN216975638 U CN 216975638U CN 202122368218 U CN202122368218 U CN 202122368218U CN 216975638 U CN216975638 U CN 216975638U
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- shock absorber
- communication hole
- control valve
- cylinder
- intermediate cylinder
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Abstract
The utility model discloses a shock absorber and a vehicle with the same, wherein the shock absorber comprises: the middle cylinder is provided with a communication hole, and an annular plane extending along the radial direction of the communication hole is formed around the communication hole; a control valve communicating with the communication hole; a seal ring sandwiched between the control valve and the annular flat surface. The shock absorber provided by the embodiment of the utility model has the advantages of good sealing performance, stability, reliability and the like.
Description
Technical Field
The utility model relates to the technical field of vehicle engineering, in particular to a shock absorber and a vehicle with the shock absorber.
Background
The damping force of the shock absorber is adjusted by the damping adjustable shock absorber through an electric control valve, and the electric control valve is required to be connected with a middle cylinder of the shock absorber.
In the shock absorber in the related art, the sealing performance of the connection part of the electric control valve and the middle cylinder is poor, and although the sealing ring is arranged, the sealing ring is easy to deform and shift or even separate when the pressure is overlarge, so that the sealing reliability is influenced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the shock absorber which has the advantages of good sealing performance, stability, reliability and the like.
The utility model also provides a vehicle with the shock absorber.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a shock absorber, including: the middle cylinder is provided with a communication hole, and an annular plane extending along the radial direction of the communication hole is formed around the communication hole; a control valve communicating with the communication hole; a seal ring clamped between the control valve and the annular flat surface.
The shock absorber provided by the embodiment of the utility model has the advantages of good sealing performance, stability, reliability and the like.
In addition, the shock absorber according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, a ring land protruding from an outer peripheral surface of the intermediate cylinder is formed around the communication hole, and the annular flat surface is formed on an end surface of the ring land.
According to one embodiment of the utility model, the ring table is formed by a circumferential wall of the intermediate cylinder projecting outwardly.
According to one embodiment of the utility model, the ring table is stamped from the peripheral wall of the intermediate cylinder.
According to one embodiment of the utility model, the control valve is provided with a positioning groove, and the sealing ring is fitted in the positioning groove.
According to an embodiment of the utility model, the shock absorber further comprises a working cylinder, which is provided in the intermediate cylinder.
According to one embodiment of the present invention, the shock absorber further includes a reserve tube located outside of the intermediate tube.
According to one embodiment of the utility model, the outer diameter of the annular flat surface is 15-25 mm.
According to one embodiment of the utility model, the inner diameter of the annular flat surface is 6-12 mm.
An embodiment according to a second aspect of the present invention proposes a vehicle comprising a shock absorber according to an embodiment of the first aspect of the present invention.
According to the vehicle provided by the embodiment of the utility model, the vibration damper provided by the embodiment of the first aspect of the utility model has the advantages of high reliability and the like.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a cross-sectional view of a shock absorber according to an embodiment of the present invention.
FIG. 2 is a partial cross-sectional view of a shock absorber according to an embodiment of the present invention.
Fig. 3 is a structural view of a middle cylinder of the shock absorber according to the embodiment of the present invention.
FIG. 4 is a cross-sectional view of a middle tube of the shock absorber according to the embodiment of the present invention.
Reference numerals: the shock absorber 1, the middle cylinder 10, the communication hole 11, the annular plane 12, the annular platform 13, the control valve 20, the sealing ring 30, the working cylinder 40 and the oil storage cylinder 50.
Detailed Description
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
the damping force of the shock absorber is adjusted by the damping adjustable shock absorber through an electric control valve, and the electric control valve is required to be connected with a middle cylinder of the shock absorber.
In the shock absorber in the related art, the sealing performance of the connection part of the electric control valve and the middle cylinder is poor, and the connection reliability is influenced.
Specifically, in the shock absorber in the related art, the through hole of the intermediate cylinder, which is connected to the electronic control valve, is provided with the connection joint extending outward from the intermediate cylinder, the seal ring is clamped between the inner peripheral surface of the connection joint and the outer peripheral surface of the electronic control valve joint, and the seal ring is easily deformed and displaced or even separated when the pressure is too high, which affects the sealing performance and reliability of the connection.
In addition, the connecting joint for being connected with the electric control valve on the middle cylinder is formed on the middle cylinder through welding or stamping, but the welding mode is high in cost, false welding, missing welding and the like are prone to occurring, and therefore the sealing performance is affected. In the case of the stamping method, since the connection joint extends axially along the through hole, it is necessary to ensure the axial depth of the connection joint, and therefore, it is necessary to ensure that the peripheral wall of the intermediate cylinder has a large thickness, which results in an increase in cost and weight of the intermediate cylinder and a larger space occupation.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 a specific case to those of ordinary skill in the art.
A shock absorber 1 according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1 to 4, a shock absorber 1 according to an embodiment of the present invention includes an intermediate cylinder 10, a control valve 20, and a seal ring 30.
The intermediate cylinder 10 is provided with a communication hole 11, and an annular flat surface 12 extending in the radial direction of the communication hole 11 is formed around the communication hole 11. The control valve 20 communicates with the communication hole 11. The sealing ring 30 is clamped between the control valve 20 and the annular flat surface 12.
According to the shock absorber 1 of the embodiment of the utility model, the annular plane 12 extending along the radial direction of the communication hole 11 is arranged, so that the plane extending along the radial direction of the communication hole 11 can be used for being matched with the control valve 20 and the sealing ring 30, compared with the technical scheme that the circumferential surface extending along the axial direction of the communication hole is matched with the control valve in the related art, the radial positioning of the sealing ring 30 can be improved into axial positioning, the deformation and displacement of the sealing ring 30 caused by the overlarge pressure in the shock absorber 1 can be avoided, the separation of the sealing ring 30 can be avoided, the positioning effect on the sealing ring 30 can be improved, the sealing performance of the sealing ring 30 can be ensured, and the stability and the reliability of the sealing ring 30 can be improved.
Moreover, since the annular plane 12 extends along the radial direction of the communication hole 11, compared with the connection interface extending along the axial direction of the communication hole 11 in the related art, there is no need to provide an additional connection interface extending along the axial direction of the communication hole 11, thereby reducing the number of parts and reducing the cost, and on one hand, welding is not needed, which can avoid the sealing performance from being affected by cold solder leakage, and on the other hand, the peripheral wall of the intermediate cylinder 10 required for forming the annular plane 12 extending along the radial direction of the communication hole 11 is thinner, which can facilitate controlling the thickness of the peripheral wall of the intermediate cylinder 10, thereby reducing the cost and weight of the intermediate cylinder 10, reducing the volume of the shock absorber 1, and reducing the space occupied by the shock absorber 1.
In addition, because the joint of the intermediate cylinder 10 and the joint mating surface of the control valve 20 in the related art extend along the axial direction of the communication hole 11, the control valve 20 needs to be completely aligned with the communication hole 11 when being installed, and it needs to be ensured that the control valve 20 and the communication hole 11 have very high coaxiality, and by changing the mating surface of the intermediate cylinder 10 and the control valve 20 from the axial direction of the communication hole 11 to the radial direction, compared with the technical scheme in the related art, the coaxiality requirement of the intermediate cylinder 10 and the control valve 20 can be reduced, the coaxiality requirement of the communication hole 11 can be reduced, the processing difficulty and the cost can be reduced, and the production efficiency can be improved.
Further, since the fitting surface of the joint of the intermediate cylinder 10 and the joint of the control valve 20 in the related art extends in the axial direction of the communication hole 11, it is necessary to secure the length of the joint of the control valve to achieve the fitting of the seal ring, and by changing the fitting surface of the intermediate cylinder 10 and the control valve 20 from the axial direction of the communication hole 11 to the radial direction, it is possible to facilitate the control of the axial length of the joint of the control valve 20, reduce the installation height of the control valve 20, and reduce the space occupied by the shock absorber 1.
Therefore, the shock absorber 1 according to the embodiment of the utility model has the advantages of good sealing performance, stability, reliability and the like.
A shock absorber 1 according to an embodiment of the present invention is described below with reference to the drawings.
In some embodiments of the present invention, as shown in fig. 1-4, a shock absorber 1 according to an embodiment of the present invention includes an intermediate cylinder 10, a control valve 20, and a seal ring 30.
Specifically, as shown in fig. 4, a ring platform 13 protruding from the outer peripheral surface of the intermediate cylinder 10 is formed around the communication hole 11, and an annular flat surface 12 is formed on the end surface of the ring platform 13. This facilitates the formation of the annular flat surface 12 in a plane on the peripheral wall of the intermediate cylinder 10 which is arcuate with respect to the radial direction of the communication hole 11, so that the formation of the annular flat surface 12 can be facilitated, the cooperation with the control valve 20 can be facilitated, and the influence on the inner wall dimension of the intermediate cylinder 10 can be avoided.
More specifically, as shown in fig. 4, the ring table 13 is formed by projecting the peripheral wall of the intermediate cylinder 10 outward. This facilitates the formation of the annular land 13, which facilitates a reduction in the cost and weight of the shock absorber 1.
Alternatively, the ring table 13 is stamped from the peripheral wall of the intermediate cylinder 10. Therefore, the annular table 13 can be conveniently formed, the number of parts is simplified, welding is not needed, the conditions of insufficient solder, missing solder and the like are avoided, and the sealing performance of the shock absorber 1 is improved.
Advantageously, as shown in fig. 2, the control valve 20 is provided with a positioning groove in which the sealing ring 30 is fitted. Specifically, the positioning groove is formed on one side end surface of the control valve 20 facing the annular flat surface 12. This allows the locating groove to further locate the seal ring 30, preventing the seal ring 30 from becoming dislodged.
Optionally, the outer diameter of the annular flat surface 12 is 15-25 mm. The inner diameter of the annular flat surface 12 is 6-12 mm. This allows the annular flat surface 12 to be appropriately sized to facilitate the cooperation of the annular flat surface 12 with the sealing ring 30 and the control valve 20.
Specifically, the control valve 20 is an electrically controlled valve. This may facilitate control of the control valve 20.
Fig. 1 and 2 show a shock absorber 1 according to one specific example of the present invention. As shown in fig. 1 and 2, the shock absorber 1 further includes a working cylinder 40, and the working cylinder 40 is provided in the intermediate cylinder 10. The working cylinder 40 is able to provide a guide for the piston movement and a pressure space within the shock absorber 1.
Further, shock absorber 1 further includes a reserve tube 50, reserve tube 50 being located outside of intermediate tube 10. The reserve tube 50 is used to provide oil circulation storage and gas storage space.
Specifically, the intermediate cylinder 10 is used to increase the flow path for the oil of the shock absorber 1 to enter the control valve 20, ensuring that the control valve 20 can operate effectively. The control valve 20 is used to adjust the pressure of the oil circulation passage inside the shock absorber 1, thereby generating a variable damping force.
The operation of the shock absorber 1 according to the embodiment of the present invention will be described with reference to fig. 1 and 2.
When the damper 1 performs a stretching motion: the restoring valve train and the connecting rod move upward in the cylinder 40, part of the oil is supplied to the cylinder 40 through the bottom valve, and most of the oil is compressed at the upper part of the cylinder 40, thereby forming a restoring damping force. In the movement process, part of oil enters the intermediate cylinder 10 through a channel arranged on the guide sleeve and then enters the control valve 20, and the control valve 20 performs flow channel opening adjustment under different currents, so that the restoring damping force is subjected to multistage adjustment.
When the shock absorber 1 performs a compression movement: the rebound valve train and the connecting rod move downward in the cylinder 40, and the oil of the shock absorber 1 is compressed in the lower portion of the cylinder 40, thereby forming a compression damping force. In the movement process, part of oil enters the intermediate cylinder 10 through the recovery valve system and then enters the control valve 20, and the control valve 20 performs flow channel opening adjustment under different currents, so that the compression damping force is adjusted in multiple stages.
A vehicle according to an embodiment of the utility model is described below. A vehicle according to an embodiment of the present invention includes the shock absorber 1 according to the above-described embodiment of the present invention.
According to the vehicle of the embodiment of the utility model, by using the shock absorber 1 according to the above embodiment of the utility model, the advantages of strong reliability and the like are achieved.
Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A shock absorber, comprising:
the middle cylinder is provided with a communication hole, and an annular plane extending along the radial direction of the communication hole is formed around the communication hole;
a control valve communicating with the communication hole;
a seal ring sandwiched between the control valve and the annular flat surface.
2. The shock absorber according to claim 1, wherein a land protruding from an outer peripheral surface of the intermediate cylinder is formed around the communication hole, and the annular flat surface is formed on an end surface of the land.
3. The damper according to claim 2, wherein the land is formed by a peripheral wall of the intermediate cylinder projecting outward.
4. A shock absorber according to claim 3 wherein said land is stamped from the peripheral wall of said intermediate cylinder.
5. Shock absorber according to claim 1, wherein said control valve is provided with a positioning groove and said sealing ring is fitted in said positioning groove.
6. The shock absorber according to claim 1, further comprising a working cylinder disposed within said intermediate cylinder.
7. The shock absorber according to claim 1, further comprising a reserve tube located outside said intermediate tube.
8. The damper of claim 1, wherein the annular flat has an outer diameter of 15-25 millimeters.
9. The damper of claim 1, wherein the annular flat has an inner diameter of 6-12 millimeters.
10. A vehicle characterized by comprising a shock absorber according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368218.0U CN216975638U (en) | 2021-09-28 | 2021-09-28 | Shock absorber and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368218.0U CN216975638U (en) | 2021-09-28 | 2021-09-28 | Shock absorber and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975638U true CN216975638U (en) | 2022-07-15 |
Family
ID=82337967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122368218.0U Active CN216975638U (en) | 2021-09-28 | 2021-09-28 | Shock absorber and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975638U (en) |
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2021
- 2021-09-28 CN CN202122368218.0U patent/CN216975638U/en active Active
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