CN215720453U - Air spring air bag cover plate, air spring and shock absorber - Google Patents

Air spring air bag cover plate, air spring and shock absorber Download PDF

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Publication number
CN215720453U
CN215720453U CN202121500445.8U CN202121500445U CN215720453U CN 215720453 U CN215720453 U CN 215720453U CN 202121500445 U CN202121500445 U CN 202121500445U CN 215720453 U CN215720453 U CN 215720453U
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China
Prior art keywords
air spring
air bag
cover plate
side plate
plate
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CN202121500445.8U
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Chinese (zh)
Inventor
张灏
卫春
许星星
刘子健
钱赛赛
黄智卓
顾先锋
陈凡
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Zeifu Automotive Parts System Shanghai Co ltd
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Zeifu Automotive Parts System Shanghai Co ltd
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Abstract

The utility model provides an air spring air bag cover plate, an air spring and a shock absorber, wherein the air spring air bag cover plate comprises a top plate, a side plate and a connecting part; the top plate and the side plate are combined to form a convex structure; the connecting part is connected with the inner wall of the side plate, which is far away from the top plate, and an annular limiting groove is formed between the inner wall of the side plate at the connecting part and the outer wall of the connecting part. According to the utility model, the air spring air bag cover plate is provided with the connecting part, and the limiting groove is arranged between the connecting part and the side plate, so that when the air spring air bag cover plate is connected with the port of the air bag, the connecting structure is more stable; meanwhile, the limiting ring arranged on the side plate can reduce the probability of damage caused by the fact that the air bag is turned upwards to contact other parts when the air spring works, and improves the sealing performance and the service life of the air spring; in addition, the arrangement of the reinforcing ribs on each part not only improves the overall rigidity strength of the air spring air bag cover plate, but also effectively reduces the weight of the cover plate, and saves the material of the cover plate, thereby reducing the raw material cost of the cover plate.

Description

Air spring air bag cover plate, air spring and shock absorber
Technical Field
The utility model relates to the field of mechanical installation, in particular to an air spring air bag cover plate, an air spring and a shock absorber.
Background
The air spring is a core part of the air suspension, uses the reaction force of compressed air in a rubber air bag as an elastic element of elastic restoring force, and has the excellent working characteristics of variable rigidity, adjustable height, long service life and the like.
The air bag cover plate of the existing air spring is made of metal, the air bag of the air spring is sealed through the clamping ring, the metal cover plate is easy to damage the rubber air bag due to extrusion or scratch, and therefore the air spring fails.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present invention and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air spring air bag cover plate, an air spring air bag and a shock absorber, wherein the air spring air bag cover plate is provided with a connecting part and a limiting groove, and when the air spring air bag cover plate is connected with an air bag port, a more stable connecting structure is provided, the sealing property of the air spring is improved, and the service life of the air spring is prolonged.
Some embodiments of the present invention provide an air spring air bag cover plate, including a top plate, a side plate connected with the top plate, and a connecting portion;
the top plate and the side plate are combined to form a convex structure;
the top plate is provided with a through hole penetrating through a piston rod of the pressure reducer;
the connecting part is connected with the inner wall of the side plate, which is far away from one side of the top plate, and an annular limiting groove is formed between the inner wall of the side plate and the outer wall of the connecting part at the joint.
According to some examples of the utility model, an end of the side plate facing the connecting portion is provided with a stopper ring.
According to some examples of the utility model, a side of the stop collar facing the connecting portion is a plane and parallel to the top plate.
According to some examples of the utility model, the side plate further includes a plurality of first reinforcing ribs provided to an outer wall of the side plate, each of the first reinforcing ribs extending from the top plate toward the retainer ring.
According to some examples of the utility model, the plurality of first reinforcing beads are uniformly distributed along a circumferential direction of the side plate.
According to some examples of the utility model, the outer wall of the connection portion is provided with at least one friction ring.
According to some examples of the present invention, the inner wall of the connecting portion is provided with a plurality of second reinforcing ribs, and the plurality of second reinforcing ribs are uniformly distributed along a circumferential direction of the connecting portion.
According to some examples of the present invention, the outer side surface of the top plate is provided with a plurality of third ribs, each of the third ribs extends from the through hole toward the edge of the top plate, and the plurality of third ribs are radial on the outer side surface of the top plate.
Some embodiments of the utility model also provide an air spring comprising the air spring air bag cover plate.
Some embodiments of the utility model also provide a shock absorber comprising the air spring.
The air spring air bag cover plate is provided with the connecting part, and the limiting groove is arranged between the connecting part and the side plate, so that when the air spring air bag cover plate is connected with an air bag port, the connecting structure is more stable, meanwhile, the limiting ring arranged on the side plate can reduce the probability of damage caused by the fact that an air bag is turned upwards to contact other parts when the air spring works, and the sealing property and the service life of the air spring are improved; in addition, the arrangement of the reinforcing ribs on each part not only improves the overall rigidity strength of the air spring air bag cover plate, but also effectively reduces the weight of the cover plate, and saves the material of the cover plate, thereby reducing the raw material cost of the cover plate.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIGS. 1 and 2 are schematic structural views of an air spring air bag cover plate according to an embodiment of the present invention;
FIG. 3 is a side view of an air spring air bag cover plate of an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the air spring air bag cover plate and air bag port connection in accordance with one embodiment of the present invention.
Reference numerals
100 top plate
110 through hole
120 third reinforcing rib
200 side plate
210 spacing groove
220 limiting ring
230 first reinforcing rib
300 connecting part
310 friction ring
320 second reinforcing rib
800 clasp
900 air bag
910 balloon port
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. 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. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and settings of a specific example are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
In order to solve the problems in the prior art, some embodiments of the present invention provide an air spring airbag cover plate, including a top plate, a side plate connected to the top plate, and a connecting portion; the top plate and the side plate are combined to form a convex structure; the top plate is provided with a through hole penetrating through a piston rod of the pressure reducer; the connecting part is connected with the inner wall of the side plate, which deviates from the top plate, and an annular limiting groove is formed between the inner wall of the side plate and the outer wall of the connecting part at the joint. The air spring air bag cover plate is provided with the connecting portion and the limiting groove, and when the air spring air bag cover plate is connected with the air bag port, the air spring air bag cover plate has a more stable connecting structure.
The air spring air bag cover of the present invention is further described below in conjunction with specific embodiments. Fig. 1 and 2 are schematic structural views of an air spring airbag cover plate according to an embodiment of the present invention, specifically, the air spring airbag cover plate includes a top plate 100, a side plate 200 connected to the top plate 100, and a connecting portion 300;
the top plate 100 and the side plate 200 are combined to form a convex structure;
the top plate 100 is provided with a through hole 110 through which a piston rod of the pressure reducer passes;
the connecting portion 300 is connected to an inner wall of the side plate 200 facing away from the top plate 100, and an annular limiting groove 210 is formed between the inner wall of the side plate 200 and an outer wall of the connecting portion 300 at the connection portion.
Fig. 3 is a side view of the air spring bag cover plate of this embodiment, and it can be seen that, in this embodiment, the connecting portion 300 protrudes from the side plate 200 in a direction toward the connection with the bag port of the air spring; it should be noted that the top plate 100, the side plate 200 and the connecting portion 300 of the air spring air bag cover plate may be a single piece.
Fig. 4 is a cross-sectional view of a connection portion of an air spring bag cover plate and a bag port of an embodiment of the present invention, wherein it can be seen that a bag port 910 of a bag 900 of an air spring is inserted into a limiting groove 210, and the air spring bag cover plate and the bag 910 are connected and fixed by a linear snap ring 800. In some embodiments, the outer wall of the connecting portion 300 is provided with a plurality of friction rings 310 to increase the stability of the connection between the cover plate and the air bag, thereby further improving the sealing performance and the service life of the air spring.
When the air bag works, the air bag cover at the two sides of the air bag port 910 is turned up in the compression stroke of the air spring so as to contact and cover one end of the side plate 200, namely, one end of the side plate 200 rubs against the air bag cover at the position, so that the air bag cover at the position is damaged, and the service life of the air bag is shortened.
In the present invention, the length of the connection part 300 may be increased or the end of the side plate 200 facing the connection part 300 may be provided with the stopper 220. The side of the limiting ring 220 facing the connecting part 300 is a plane and is parallel to the top plate 100, i.e. the limiting ring 220 is disposed on the side of the side plate 200 that may contact with the airbag skin. The width of the stop collar 200 may be set according to the size of the air bag of the actual air spring. The limiting ring can prevent the air bag from being turned upwards for a long time in the compression stroke of the air spring, and the friction of the cover plate on the air bag is reduced, so that the service life of the air bag is protected and prolonged.
In some embodiments, the side plate 200 further includes a plurality of first ribs 230 disposed on an outer wall of the side plate 200, and the air bag is turned up to contact with the limiting member 220 during a compression stroke of the air spring, so as to enhance the strength of the limiting member, each of the first ribs 230 extends from the top plate 100 to the limiting ring 220, and further, the plurality of first ribs 230 may be radially and uniformly distributed along a circumferential direction of the side plate 200. The shape of the first reinforcing rib is not limited, for example, the first reinforcing rib 230 may be a strip shape, and the thickness of the strip shape gradually increases from the bottom plate to the retainer ring 220. The arrangement of the first reinforcing ribs can also reduce the raw material cost of the cover plate.
In order to reduce the weight of the air spring air bag cover plate and increase the overall rigidity strength of the air spring air bag cover plate, the inner wall of the connecting part 300 is provided with a plurality of second reinforcing ribs 320, and the second reinforcing ribs 320 are uniformly distributed along the circumferential direction of the connecting part 300.
In addition, a plurality of third ribs 120 are disposed on an outer side surface of the top plate 100, each of the third ribs 120 extends from the through hole 110 toward an edge of the top plate 100, and the plurality of third ribs 120 are radial on the outer side surface of the top plate 100.
Some embodiments of the utility model also provide an air spring comprising the air spring air bag cover plate. Of course, the air spring comprises an upper gasket, an air bag cover plate, an upper snap ring, an air bag, a lower snap ring, a lower gasket, an air bag base, an air tap and the like which are connected in sequence, and the details are not repeated. The air spring has the advantages of reduced risk of air bag breakage, higher sealing performance and longer service life.
Some embodiments of the utility model also provide a shock absorber comprising the air spring.
In summary, the utility model provides an air spring airbag cover plate, an air spring airbag and a shock absorber, wherein the air spring airbag cover plate comprises a top plate, a side plate connected with the top plate and a connecting part; the top plate and the side plate are combined to form a convex structure; the top plate is provided with a through hole penetrating through a piston rod of the pressure reducer; the connecting part is connected with the inner wall of the side plate, which deviates from the top plate, and an annular limiting groove is formed between the inner wall of the side plate and the outer wall of the connecting part at the joint. The air spring air bag cover plate is provided with the connecting part, and the limiting groove is arranged between the connecting part and the side plate, so that when the air spring air bag cover plate is connected with an air bag port, the connecting structure is more stable, meanwhile, the limiting ring arranged on the side plate can reduce the probability of damage caused by the fact that an air bag is turned upwards to contact other parts when the air spring works, and the sealing property and the service life of the air spring are improved; in addition, the arrangement of the reinforcing ribs on each part not only improves the overall rigidity strength of the air spring air bag cover plate, but also effectively reduces the weight of the cover plate, and saves the material of the cover plate, thereby reducing the raw material cost of the cover plate.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (10)

1. An air spring air bag cover plate is characterized by comprising a top plate, a side plate connected with the top plate and a connecting part;
the top plate and the side plate are combined to form a convex structure;
the top plate is provided with a through hole penetrating through a piston rod of the pressure reducer;
the connecting part is connected with the inner wall of the side plate, which is far away from one side of the top plate, and an annular limiting groove is formed between the inner wall of the side plate and the outer wall of the connecting part at the joint.
2. Air spring air bag cover according to claim 1, characterized in that the end of the side plate facing the connection portion is provided with a stop collar.
3. The air spring airbag cover of claim 2, wherein the side of the retaining ring facing the connecting portion is planar and parallel to the top plate.
4. The air spring air bag cover of claim 2, wherein said side plate further includes a plurality of first reinforcing ribs disposed on an outer wall of said side plate, each of said first reinforcing ribs extending from said top plate toward said stop collar.
5. The air spring air bag cover of claim 4 wherein said first plurality of ribs are uniformly distributed along the circumference of said side plate.
6. Air spring air bag cover according to claim 1, characterized in that the outer wall of the connecting portion is provided with at least one friction ring.
7. The air spring airbag cover of claim 1, wherein the inner wall of the connecting portion is provided with a plurality of second reinforcing ribs, and the plurality of second reinforcing ribs are uniformly distributed along the circumferential direction of the connecting portion.
8. Air spring airbag cover plate according to claim 1, characterized in that: the lateral surface of roof is provided with many third strengthening ribs, every the third strengthening rib follows the through-hole extends to the edge direction of roof, and many the third strengthening rib is in the lateral surface of roof is radial.
9. Air spring, characterized in that it comprises an air spring cover plate according to any one of claims 1 to 8.
10. A shock absorber comprising the air spring of claim 9.
CN202121500445.8U 2021-07-02 2021-07-02 Air spring air bag cover plate, air spring and shock absorber Active CN215720453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121500445.8U CN215720453U (en) 2021-07-02 2021-07-02 Air spring air bag cover plate, air spring and shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121500445.8U CN215720453U (en) 2021-07-02 2021-07-02 Air spring air bag cover plate, air spring and shock absorber

Publications (1)

Publication Number Publication Date
CN215720453U true CN215720453U (en) 2022-02-01

Family

ID=80046859

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121500445.8U Active CN215720453U (en) 2021-07-02 2021-07-02 Air spring air bag cover plate, air spring and shock absorber

Country Status (1)

Country Link
CN (1) CN215720453U (en)

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