CN210423551U - Pre-compression air spring system - Google Patents
Pre-compression air spring system Download PDFInfo
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- CN210423551U CN210423551U CN201820083634.1U CN201820083634U CN210423551U CN 210423551 U CN210423551 U CN 210423551U CN 201820083634 U CN201820083634 U CN 201820083634U CN 210423551 U CN210423551 U CN 210423551U
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Abstract
The utility model discloses a pre-compaction formula air spring system, including upper cover plate, gasbag, upper end plate and lower end plate, the periphery of upper cover plate is passed through the gasbag and is connected with the periphery of upper end plate, is connected with low level elastomer between upper end plate and the lower end plate, and the pre-compaction board has been installed to the upper end plate top, and the pressure is equipped with high-order annular elastomer between pre-compaction board and the upper end plate, and the intermediate position of pre-compaction board is equipped with the first portion of stopping that is located high-order annular elastomer intra-annular. The air spring system has the advantages of simple structure, convenience in installation, low vertical rigidity of air leakage heavy load, and high comfort and stability.
Description
Technical Field
The utility model relates to a buffering shock attenuation technique especially relates to a prepressing type air spring system.
Background
The air spring has a belt type air bag combined with a conical spring or an hourglass spring when the vertical load is not large. When the combined type air bag is applied to a large load, the combination of the belt type air bag and the layered spring is generally adopted, but the vertical stiffness of the layered spring is generally large, so that the derailment coefficient of the layered spring in an air leakage state when the layered spring works alone is increased, and the running speed can only be reduced. Therefore, a new structural form needs to be designed, on the premise of ensuring the stability of the product in the air spring inflation and deflation states under a large load, the vertical rigidity of the deflation state is reduced to improve the safety and comfort of the deflation operation, and the speed in the deflation state is ensured not to reduce too much influence on the efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a simple structure, simple to operate, the vertical rigidity of disappointing heavy load is low, travelling comfort and the high prepressing formula air spring system of stability.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the prepressing type air spring system comprises an upper cover plate, an air bag, an upper end plate and a lower end plate, wherein the periphery of the upper cover plate is connected with the periphery of the upper end plate through the air bag, a low-level elastic body is connected between the upper end plate and the lower end plate, a prepressing plate is arranged at the top of the upper end plate, a high-level annular elastic body is arranged between the prepressing plate and the upper end plate in a pressing mode, and a first stop portion located in the high-level annular elastic body is arranged in the middle of the prepressing plate.
As a further improvement of the above technical solution:
the top of the upper end plate is provided with a pinch plate through a fastener, and the first stop part is sleeved between the pinch plate and the upper end plate.
The center of low level elastomer is equipped with the inner chamber, the upper end plate bottom center is equipped with the second backstop portion that extends the inner chamber.
The bottom surface of the upper end plate, which is positioned on the side part of the second stop part, is a straight surface, the top surface of the upper end plate is provided with an annular concave surface, and the high-level annular elastic body is arranged in the annular concave surface.
The peripheral surface of the upper end plate is positioned outside the low-position elastic body and the high-position annular elastic body.
The low-position elastic body and the high-position annular elastic body are arranged into an hourglass spring or a stacked spring.
The high-order annular elastomer is set to be a hourglass spring, the low-order elastomer is set to be a stacked spring, and at least one transverse metal partition plate is arranged in the stacked spring.
The transverse metal partition plate is a flat plate or a conical plate with high periphery and low middle.
And a first wearing plate is arranged at the top of the prepressing plate.
And a second wearing plate is arranged at the bottom of the upper cover plate.
The bottom of the upper cover plate is provided with a reinforcing plate, the periphery of the reinforcing plate is connected with the air bag, and the bottom of the reinforcing plate is connected with the second abrasion plate.
And the reinforcing plate is provided with a weight reduction cavity.
The bottom surface of the high-order annular elastic body is connected with a connecting plate in a vulcanization mode, and the connecting plate is fixedly connected with the upper end plate through bolts.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a pre-compaction formula air spring system, including upper cover plate, gasbag, upper end plate and lower end plate, the periphery of upper cover plate is passed through the gasbag and is connected with the periphery of upper end plate, is connected with the low level elastomer between upper end plate and the lower end plate, and the pre-compaction board has been installed to the upper end plate top, and the pressure is equipped with high-order annular elastomer between pre-compaction board and the upper end plate, and the intermediate position of pre-compaction board is equipped with the first portion of stopping that is located high-order annular elastomer intra-annular. In the structure, a series structure is formed by the low-level elastomer and the high-level annular elastomer of the split structure, so that the elevation of the elastomer between the upper end plate and the lower end plate is increased, namely, the vertical rigidity of the auxiliary spring under heavy load is greatly reduced, and the comfort of the auxiliary spring under heavy load is improved; in addition, when the elevation is increased, the transverse displacement of the elastic bodies on the upper part and the lower part of the upper end plate is also increased, and the structure completely separates the low-level elastic body from the high-level annular elastic body through the upper end plate, so that the transverse instability of the auxiliary spring can be avoided, and the transverse displacement stability of the auxiliary spring is improved; in the structure, the low-position elastic body and the upper end plate are vulcanized into a whole and then are stacked and mounted with the high-position annular elastic body, the structure is simple, the low-position elastic body and the high-position annular elastic body cannot be damaged when the upper end plate is mounted, the mounting convenience is improved, and the integrity of the low-position elastic body and the high-position annular elastic body is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numerals in the figures denote:
1. an upper cover plate; 11. a reinforcing plate; 111. a weight-reducing cavity; 2. an air bag; 3. an upper end plate; 31. buckling the plate; 32. a second stopper portion; 4. a lower end plate; 5. a low-order elastomer; 51. an inner cavity; 52. a transverse metal separator; 6. pre-pressing a plate; 61. a first stopper portion; 7. a high-order annular elastomer; 8. a first wear plate; 9. a second wear plate; 10. a connecting plate.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
As shown in fig. 1, an embodiment of a pre-compression type air spring system of the present invention includes an upper cover plate 1, an air bag 2, an upper end plate 3 and a lower end plate 4, the periphery of the upper cover plate 1 is connected with the periphery of the upper end plate 3 through the air bag 2, a low-level elastic body 5 is connected between the upper end plate 3 and the lower end plate 4, a pre-compression plate 6 is installed on the top of the upper end plate 3, a high-level annular elastic body 7 is pressed between the pre-compression plate 6 and the upper end plate 3, and a first stopper 61 located in the high-level annular elastic body 7 is installed in the middle of the pre-compression plate 6. In the structure, the low-position elastic body 5 and the high-position annular elastic body 7 of the split structure form a series structure, so that the elevation of the elastic body between the upper end plate 3 and the lower end plate 4 is increased, namely, the vertical rigidity of the auxiliary spring under heavy load is greatly reduced, and the comfort of the auxiliary spring under heavy load is improved; in addition, the transverse displacement of the upper elastic body and the lower elastic body of the upper end plate 3 is increased while the elevation is increased, and the structure completely separates the low elastic body 5 from the high annular elastic body 7 through the upper end plate 3, so that the transverse instability of the auxiliary spring can be avoided, and the transverse displacement stability of the auxiliary spring is improved; in the structure, the low-position elastic body 5 and the upper end plate 3 are vulcanized into a whole and then are stacked and mounted with the high-position annular elastic body 7, the structure is simple, the low-position elastic body 5 and the high-position annular elastic body 7 cannot be damaged when the upper end plate 3 is mounted, the mounting convenience is improved, and the integrity of the low-position elastic body 5 and the high-position annular elastic body 7 is ensured.
In this embodiment, the top of the upper end plate 3 is provided with a buckle plate 31 by a fastener, and the first stop part 61 is sleeved between the buckle plate 31 and the upper end plate 3. In the structure, the pre-pressing plate 6 can be conveniently disassembled and assembled through the buckling plate 31, and the first stop part 61 is limited when moving along the central column of the upper end plate 3 to prevent the pre-pressing plate from falling off; and, the interval between first backstop portion 61 and the upper surface of upper end plate 3 is adjustable to adjust the pre-compaction volume according to the performance of different high-order annular elastomer 7, form hard backstop when first backstop portion 61 contacts with the upper surface of upper end plate 3, can ensure under the circumstances such as high load and dynamic load, the automobile body can not descend too much, can not cause the interference.
In this embodiment, the center of the lower elastic body 5 is provided with an inner cavity 51, and the center of the bottom of the upper end plate 3 is provided with a second stopper 32 extending to the inner cavity 51. The second stopper portion 32 ensures the total sinking of the vehicle, and ensures that the vehicle body does not descend too much and interfere with each other under high load and dynamic load.
In this embodiment, the bottom surface of the upper end plate 3 located at the side of the second stop portion 32 is a flat surface, the top surface of the upper end plate 3 is provided with an annular concave surface, and the high-level annular elastic body 7 is arranged in the annular concave surface. In the structure, the arrangement of the surface ensures that the annular concave surface can restrain the auxiliary spring when the auxiliary spring is transversely displaced, so that the transverse instability of the auxiliary spring is prevented; and the arrangement of the lower flat surface can ensure the vertical stress uniformity of the low-position elastic body 5 and the high-position annular elastic body 7.
In this embodiment, the outer peripheral surface of the upper end plate 3 is located outside the low-level elastic body 5 and the high-level annular elastic body 7. The arrangement is that the upper end plate 3 integrally extends to the outside of the low-position elastic body 5 and the high-position annular elastic body 7, so that the installation is convenient.
In this embodiment, the low-position elastic body 5 is set as a stack spring, the high-position annular elastic body 7 is set as an hourglass spring, at least one transverse metal partition plate 52 is arranged in the stack spring, and the transverse metal partition plate 52 can adjust the product performance in an air leakage state.
In this embodiment, the lateral metal partition plate 52 is provided as a flat plate or a tapered plate having a high outer periphery and a low middle portion. The arrangement of the conical surface enables the elastic body to be more stable in transverse displacement.
In other embodiments, the low-position elastic body 5 and the high-position annular elastic body 7 may be configured as an hourglass spring at the same time, or the low-position elastic body 5 and the high-position annular elastic body 7 may be configured as a stacked spring at the same time, or the low-position elastic body 5 and the high-position annular elastic body 7 may be configured as an hourglass spring and the high-position annular elastic body 7 may be configured as a stacked spring.
In this embodiment the top of the pre-press plate 6 is provided with a first wear plate 8. The first wear plate 8 is primarily designed to reduce the coefficient of friction of the relative displacement in the event of a leak, providing a convenient lateral displacement.
In this embodiment, the bottom of the upper cover plate 1 is provided with a second wear plate 9. The second wearing plate 9 mainly avoids the excessive wear of the first wearing plate 8, and prolongs the service life.
In this embodiment, the bottom of the upper cover plate 1 is provided with a reinforcing plate 11, the periphery of the reinforcing plate 11 is connected with the airbag 2, and the bottom of the reinforcing plate 11 is connected with the second wear plate 9. This reinforcing plate 11 mainly plays the effect of connecting gasbag 2 and second wearing plate 9 simultaneously, and in addition, reinforcing plate 11 plays the effect of strengthening to upper cover plate 1, improves the bulk strength.
In this embodiment, the reinforcing plate 11 is provided with a weight-reducing cavity 111. The weight-reducing chamber 111 can reduce the weight of the reinforcing plate 11, thereby achieving a weight-reducing effect of the overall structure.
In this embodiment, the bottom surface of the high-level annular elastic body 7 is vulcanized and connected with a connecting plate 10, and the connecting plate 10 is fastened and connected with the upper end plate 3 through bolts. During installation, the high-level annular elastic body 7 is firstly vulcanized and connected with the connecting plate 10, and then the connecting plate 10 is fastened and connected with the upper end plate 3 through bolts so as to ensure the feasibility of installation and vulcanization.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (12)
1. The utility model provides a pre-compaction formula air spring system, includes upper cover plate (1), gasbag (2), upper end plate (3) and lower end plate (4), the periphery of upper cover plate (1) is passed through gasbag (2) are connected its characterized in that with the periphery of upper end plate (3): be connected with low level elastomer (5) between upper end plate (3) and lower end plate (4), low level elastomer (5) set up to fold the spring, prepressing plate (6) have been installed at upper end plate (3) top, the pressure is equipped with high level ring shape elastomer (7) between prepressing plate (6) and upper end plate (3), high level ring shape elastomer (7) set up to the hourglass spring, the intermediate position of prepressing plate (6) is equipped with first backstop portion (61) that are located high level ring shape elastomer (7) intra-annular.
2. The pre-stressed air spring system of claim 1, wherein: the top of the upper end plate (3) is provided with a buckle plate (31) through a fastener, and the first stop part (61) is sleeved between the buckle plate (31) and the upper end plate (3).
3. The pre-stressed air spring system of claim 2, wherein: the center of low level elastomer (5) is equipped with inner chamber (51), upper end plate (3) bottom center is equipped with second backstop portion (32) that extends inner chamber (51).
4. The pre-stressed air spring system of claim 3, wherein: the bottom surface of the upper end plate (3) on the side of the second stop part (32) is a flat surface, the top surface of the upper end plate (3) is provided with an annular concave surface, and the high-level annular elastic body (7) is arranged in the annular concave surface.
5. The pre-stressed air spring system of claim 4, wherein: the peripheral surface of the upper end plate (3) is positioned outside the low-position elastic body (5) and the high-position annular elastic body (7).
6. The pre-stressed air spring system of claim 5, wherein: at least one transverse metal partition plate (52) is arranged in the laminated spring.
7. The pre-stressed air spring system of claim 6, wherein: the transverse metal partition plate (52) is a flat plate or a conical plate with high periphery and low middle.
8. The pre-stressed air spring system according to any one of claims 1-7, wherein: and a first wearing plate (8) is arranged at the top of the prepressing plate (6).
9. The pre-stressed air spring system according to any one of claims 1-7, wherein: and a second wearing plate (9) is arranged at the bottom of the upper cover plate (1).
10. The pre-stressed air spring system of claim 9, wherein: the bottom of the upper cover plate (1) is provided with a reinforcing plate (11), the periphery of the reinforcing plate (11) is connected with the air bag (2), and the bottom of the reinforcing plate (11) is connected with the second wearing plate (9).
11. The pre-stressed air spring system of claim 10, wherein: the reinforcing plate (11) is provided with a weight reduction cavity (111).
12. The pre-stressed air spring system according to any one of claims 1-7, wherein: the bottom surface of the high-order annular elastic body (7) is connected with a connecting plate (10) in a vulcanization mode, and the connecting plate (10) is fixedly connected with the upper end plate (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083634.1U CN210423551U (en) | 2018-01-18 | 2018-01-18 | Pre-compression air spring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083634.1U CN210423551U (en) | 2018-01-18 | 2018-01-18 | Pre-compression air spring system |
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| CN210423551U true CN210423551U (en) | 2020-04-28 |
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| CN201820083634.1U Active CN210423551U (en) | 2018-01-18 | 2018-01-18 | Pre-compression air spring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105324A (en) * | 2018-01-18 | 2018-06-01 | 株洲时代新材料科技股份有限公司 | Prepressing type air spring system |
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2018
- 2018-01-18 CN CN201820083634.1U patent/CN210423551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105324A (en) * | 2018-01-18 | 2018-06-01 | 株洲时代新材料科技股份有限公司 | Prepressing type air spring system |
| CN108105324B (en) * | 2018-01-18 | 2023-10-03 | 株洲时代瑞唯减振装备有限公司 | Pre-compression type air spring system |
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