CN220134494U - Air spring and car - Google Patents
Air spring and car Download PDFInfo
- Publication number
- CN220134494U CN220134494U CN202321695651.8U CN202321695651U CN220134494U CN 220134494 U CN220134494 U CN 220134494U CN 202321695651 U CN202321695651 U CN 202321695651U CN 220134494 U CN220134494 U CN 220134494U
- Authority
- CN
- China
- Prior art keywords
- piston
- guide cylinder
- air spring
- rubber sleeve
- air bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Abstract
The utility model discloses an air spring, which comprises a piston, an external guide cylinder, an air bag and a rubber sleeve; the piston extends along a first direction, and the air bag is sleeved at the lower end of the piston along the first direction; the first end of the rubber sleeve is sleeved at the upper end of the piston; along the first direction, the outer guide cylinder is sleeved on the outer wall of the air bag, the upper end of the outer guide cylinder is higher than the upper end of the air bag, and the second end of the rubber sleeve is sleeved on the upper end of the outer guide cylinder; the piston can move along a first direction, the air bag can stretch and retract along the first direction, and the rubber sleeve and the external guide cylinder form a dustproof assembly along the first direction. The utility model can effectively reduce the weight, volume and cost of the air spring. The utility model also discloses an automobile, which comprises a suspension system, wherein the suspension system comprises the air spring.
Description
Technical Field
The utility model relates to the technical field of automobile air springs, in particular to an air spring and an automobile.
Background
The air spring is an important component of an automobile air suspension system, works by utilizing the compression elasticity of air, and has the functions of buffering, damping, carrying weight and the like. The air spring has excellent elastic characteristics and has a plurality of advantages compared with the common steel spring, so that the air spring has wide application range. The air spring is used for an automobile suspension system, so that the running smoothness and the comfort of an automobile can be greatly improved. For the safety of the air spring, the air spring needs to be subjected to dust-proof treatment.
The dust cover is adopted on the current market as the whole outside parcel face, wraps up air spring's piston, outside guide cylinder and air sac to the foreign matter such as protection inner assembly is prevented from stone, sand, dust, water influences, simultaneously, the dust cover all has the clearance requirement with inside each subassembly, therefore the volume and the weight of dust cover are great. Is unfavorable for the light weight and compact design requirements of the automobile and has higher cost.
Disclosure of Invention
The utility model aims to solve the problems of larger volume, larger weight and higher cost of the current air spring dust cover. The utility model provides an air spring and an automobile, which can effectively reduce the weight, the volume and the cost of the air spring.
In order to solve the technical problems, the embodiment of the utility model discloses an air spring which comprises a piston, an external guide cylinder, an air bag and a rubber sleeve;
the piston extends along a first direction, and the air bag is sleeved at the lower end of the piston along the first direction; the first end of the rubber sleeve is sleeved at the upper end of the piston;
along the first direction, the outer guide cylinder is sleeved on the outer wall of the air bag, the upper end of the outer guide cylinder is higher than the upper end of the air bag, and the second end of the rubber sleeve is sleeved on the upper end of the outer guide cylinder;
the piston is movable in the first direction, the air bag is retractable in the first direction, and the rubber sleeve and the outer guide cylinder form a dust-proof assembly in the first direction.
By adopting the technical scheme, the dustproof assembly is formed by connecting the rubber sleeve and the external guide cylinder along the first direction, and the dustproof assembly can effectively prevent foreign matters from entering the air spring. Compared with the scheme of wrapping the outer guide cylinder, the piston and the air bag by adopting the dust cover in the current market, the air spring provided by the embodiment of the utility model has lighter weight and lower cost. The air spring provided by the utility model has smaller volume, can be widely applied to compact vehicles, and has higher universality.
According to another embodiment of the utility model, the outer side wall of the upper end of the piston is provided with a first annular flange in the first direction;
the inner wall of the first end of the rubber sleeve is provided with a first annular groove;
the first annular flange is in concave-convex fit with the first annular groove.
By adopting the technical scheme, the first annular flange is matched with the first annular groove in a concave-convex mode, so that the first end of the rubber sleeve is fixed at the upper end of the piston, and the piston is simple in structure and convenient to install.
According to another embodiment of the utility model, along the first direction, the outer side wall of the upper end of the outer guide cylinder is provided with a second annular flange;
the inner wall of the second end of the rubber sleeve is provided with a second annular groove;
the second annular flange is in concave-convex fit with the second annular groove.
By adopting the technical scheme, the second annular flange is matched with the second annular groove in a concave-convex manner, so that the second end of the rubber sleeve is fixed at the upper end of the external guide cylinder, and the structure is simple and the installation is convenient.
According to another embodiment of the utility model, in the first direction, the upper wall of the first annular groove extends away from the first annular groove and the piston, forming a first pull-out portion.
By adopting the technical scheme, through setting up first lifting portion, when installing rubber sleeve in the piston, first lifting portion can supply operating personnel to snatch, the installation of being convenient for.
According to another embodiment of the utility model, the lower wall of the second annular groove extends in the first direction away from the second annular groove and the outer guide cylinder, forming a second pull-up portion.
By adopting the technical scheme, through setting up the second and carry the portion of drawing, when installing rubber sleeve in outside guide cylinder, the second carries the portion of drawing and can supply operating personnel to snatch, the installation of being convenient for.
According to another embodiment of the utility model, the side wall of the outer guide cylinder is riveted with the side wall of the balloon.
The embodiment of the utility model also discloses an automobile, which comprises a suspension system, wherein the suspension system comprises the air spring according to any one of the specific embodiments.
By adopting the technical scheme, the air spring is arranged on the suspension system, so that the whole suspension system is lighter in weight, lower in cost and stronger in universality.
Drawings
FIG. 1 illustrates a perspective view of an air spring according to an embodiment of the present utility model;
FIG. 2 shows a cross-sectional view of an air spring according to an embodiment of the present utility model;
FIG. 3 shows a partial enlarged view at G in FIG. 2;
fig. 4 shows a partial enlarged view at H in fig. 2.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.
The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
In some possible implementations, referring to fig. 1 and 2, an embodiment of the present utility model provides an air spring 1 including a rubber sleeve 11, an outer guide cylinder 12, a piston 13, and an air bag 14.
The piston 13 extends along a first direction X, and the air bag 14 is sleeved at the lower end of the piston 13 along the first direction X, and the first end 111 of the rubber sleeve 11 is sleeved at the upper end of the piston 13.
Illustratively, in the first direction X, the outer guide tube 12 is sleeved on the outer wall of the air bag 14, the upper end of the outer guide tube 12 is higher than the upper end of the air bag 14, and the second end 112 of the rubber sleeve 11 is sleeved on the upper end of the outer guide tube 12, so that the rubber sleeve 11 and the outer guide tube 12 form the dust-proof assembly 10 to prevent foreign matters (such as dust and water) from entering the inside of the air spring 1.
Illustratively, the piston 13 is movable in a first direction X and the air bag 14 is retractable in the first direction X to provide shock absorption and cushioning to the vehicle. Specifically, when the piston 13 moves in the first direction X toward the air bag 14, the air bag 14 contracts in the first direction X; when the piston 13 moves in the first direction X in a direction away from the air bag 14, the air bag 14 stretches in the first direction X.
In the embodiment of the utility model, the dustproof assembly 10 is formed by connecting the rubber sleeve 11 and the external guide cylinder 12 along the first direction X, and the dustproof assembly 10 can effectively prevent foreign matters from entering the air spring 1. Compared with the scheme of wrapping the outer guide cylinder 12, the piston 13 and the air bag 14 by adopting the dust cover in the current market, the air spring 1 provided by the embodiment of the utility model has the outer guide cylinder 12 also serving as a part of the dust prevention assembly 10, so that the rubber consumption of the rubber sleeve 11 is reduced, and the air spring 1 is lighter in weight and lower in cost. The air spring 1 provided by the utility model has smaller volume, can be widely applied to compact vehicles, and has higher universality.
In one possible embodiment, referring to fig. 3 in combination with fig. 2 and 1, the outer side wall of the upper end of the piston 13 is provided with a first annular flange 131 along the first direction X. Accordingly, the inner wall of the first end 111 of the rubber sleeve 11 is provided with a first annular groove 1111. The first annular flange 131 is in concave-convex fit with the first annular groove 1111 to fix the first end 111 of the rubber sleeve 11 to the upper end of the piston 13, and has a simple structure and convenient installation.
In one possible embodiment, referring to fig. 4 in combination with fig. 2 and 1, the outer sidewall of the upper end of the outer guide cylinder 12 is provided with a second annular flange 121 in the first direction X. Accordingly, the inner wall of the second end 112 of the rubber sleeve 11 is provided with a second annular groove 1121. The second annular flange 121 is in concave-convex fit with the second annular groove 1121 to fix the second end 112 of the rubber sleeve 11 to the upper end of the outer guide cylinder 12, and has a simple structure and convenient installation.
In one possible embodiment, referring to fig. 3 in combination with fig. 2 and 1, in the first direction X, the upper wall of the first annular groove 1111 extends away from the first annular groove 1111 and the piston 13, forming a first pull portion 1112, the first pull portion 1112 being trumpet-shaped, the trumpet-shaped opening being directed away from the first annular flange 131 in the first direction X. When the rubber sleeve 11 is mounted on the piston 13, the first lifting portion 1112 can be gripped by an operator, and the mounting is facilitated.
In one possible embodiment, referring to fig. 4 in combination with fig. 2 and 1, in the first direction X, the lower wall of the second annular groove 1121 extends away from the second annular groove 1121 and the outer guide cylinder 12, forming a second lifting portion 1122, the second lifting portion 1122 having a horn shape, the horn-shaped opening facing in the first direction X away from the second annular flange 121. When the rubber sleeve 11 is mounted on the outer guide tube 12, the second pulling portion 1122 can be grasped by an operator, and the mounting is facilitated.
In one possible embodiment, the side wall of the outer guide tube 12 is riveted with the side wall of the balloon 14.
The embodiment of the utility model also provides an automobile (not shown) comprising a suspension system (not shown) comprising the air spring 1 according to any of the embodiments described above.
While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.
Claims (7)
1. An air spring is characterized by comprising a piston, an external guide cylinder, an air bag and a rubber sleeve;
the piston extends along a first direction, and the air bag is sleeved at the lower end of the piston along the first direction; the first end of the rubber sleeve is sleeved at the upper end of the piston;
along the first direction, the outer guide cylinder is sleeved on the outer wall of the air bag, the upper end of the outer guide cylinder is higher than the upper end of the air bag, and the second end of the rubber sleeve is sleeved on the upper end of the outer guide cylinder;
the piston is movable in the first direction, the air bag is retractable in the first direction, and the rubber sleeve and the outer guide cylinder form a dust-proof assembly in the first direction.
2. The air spring of claim 1 wherein, in said first direction, an outer sidewall of an upper end of said piston is provided with a first annular flange;
the inner wall of the first end of the rubber sleeve is provided with a first annular groove;
the first annular flange is in concave-convex fit with the first annular groove.
3. The air spring of claim 1 wherein, in said first direction, an outer sidewall of an upper end of said outer guide cylinder is provided with a second annular flange;
the inner wall of the second end of the rubber sleeve is provided with a second annular groove;
the second annular flange is in concave-convex fit with the second annular groove.
4. The air spring of claim 2 wherein an upper wall of the first annular groove extends away from the first annular groove and the piston in the first direction to form a first pull-up portion.
5. An air spring as set forth in claim 3 wherein a lower wall of said second annular groove extends in said first direction away from said second annular groove and said outer guide cylinder forming a second pull-up portion.
6. The air spring of claim 1 wherein a sidewall of the outer guide tube is riveted with a sidewall of the air bag.
7. An automobile comprising a suspension system comprising the air spring of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695651.8U CN220134494U (en) | 2023-06-30 | 2023-06-30 | Air spring and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321695651.8U CN220134494U (en) | 2023-06-30 | 2023-06-30 | Air spring and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134494U true CN220134494U (en) | 2023-12-05 |
Family
ID=88962755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321695651.8U Active CN220134494U (en) | 2023-06-30 | 2023-06-30 | Air spring and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134494U (en) |
-
2023
- 2023-06-30 CN CN202321695651.8U patent/CN220134494U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |