CN219035416U - Air spring for automobile - Google Patents
Air spring for automobile Download PDFInfo
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- CN219035416U CN219035416U CN202222265814.0U CN202222265814U CN219035416U CN 219035416 U CN219035416 U CN 219035416U CN 202222265814 U CN202222265814 U CN 202222265814U CN 219035416 U CN219035416 U CN 219035416U
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- leather bag
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Abstract
The utility model belongs to the technical field of air springs, and particularly relates to an air spring for an automobile, which comprises the following components: an annular leather bag; the aluminum alloy upper cover is arranged at the top of the annular leather bag; the aluminum alloy lower cover is arranged at the bottom of the annular leather bag; the piston seat is arranged at the bottom of the aluminum alloy lower cover; the fixed component is arranged on the annular leather bag; a buffer member mounted on the piston seat; and the air inlet part is arranged on the aluminum alloy upper cover. The aluminum alloy upper cover is tightly matched with the first rubber gasket on the first annular groove, the annular leather bag is sleeved into the aluminum alloy upper cover, the outer layer is sleeved into the flanging press ring, the flanging press ring and the annular leather bag are tightly pressed on the first rubber gasket through the hooping of mechanical equipment, so that an excellent sealing effect is achieved, and the falling risk of the flanging press ring is reduced.
Description
Technical Field
The utility model belongs to the technical field of air springs, and particularly relates to an air spring for an automobile.
Background
The current automobile shock absorption development trend is light weight and variable stiffness, but the air tightness of a plurality of air springs in the current market is low, and the situation that the air springs fail due to falling of a compression ring caused by excessive high internal pressure also reduces the safety of the air springs.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the air spring for the automobile, so as to solve the problems that the current automobile damping development trend is light weight and variable stiffness, but the air tightness of a plurality of air springs in the current market is low, the air springs are invalid due to the falling of a compression ring caused by the excessively high internal pressure, and the safety of the air springs is reduced.
One embodiment of the present utility model provides an air spring for an automobile, including:
an annular leather bag;
the aluminum alloy upper cover is arranged at the top of the annular leather bag, a first annular groove is formed in the periphery of the side wall of the aluminum alloy upper cover, a first rubber gasket is sleeved in the first annular groove, and a plurality of anti-slip protrusions are arranged on the outer surface of the aluminum alloy upper cover with the first annular groove facing downwards;
the aluminum alloy lower cover is arranged at the bottom of the annular leather bag, a first through hole and a second through hole which are mutually communicated are formed in the aluminum alloy lower cover, the first through hole is positioned at the top of the second through hole, a second annular groove is formed in the second through hole, and a second rubber gasket is sleeved in the second annular groove;
the piston seat is arranged at the bottom of the aluminum alloy lower cover;
the fixed component is arranged on the annular leather bag;
a buffer member mounted on the piston seat;
the air inlet component is arranged on the aluminum alloy upper cover;
the annular sealing ring is arranged on the aluminum alloy lower cover.
According to the air spring for the automobile, the aluminum alloy upper cover and the first rubber gasket are tightly matched on the first annular groove, the annular leather bag is sleeved into the aluminum alloy upper cover, the flanging pressing ring is sleeved on the outer layer of the annular leather bag, the flanging pressing ring and the annular leather bag are tightly pressed on the first rubber gasket through the hooping of mechanical equipment, so that an excellent sealing effect is achieved, the risk of falling off of the flanging pressing ring is reduced, the annular leather bag pressed on the side wall of the aluminum alloy upper cover is prevented from sliding by the anti-slip protrusions, and the pressed air tightness is better.
In one embodiment, the fixing assembly comprises a flanging press ring and a fixing press ring;
the flanging compression ring is sleeved on the periphery of the top of the annular leather bag;
the fixed compression ring is sleeved on the periphery of the bottom of the annular leather bag.
In one embodiment, the middle part of the periphery of the flanging press ring is clamped in the first annular groove after being pressed and is abutted against the first rubber gasket, and the annular leather bag is fixedly arranged on the aluminum alloy upper cover through the flanging press ring.
In one embodiment, the piston seat is provided with a groove mutually matched with the fixing compression ring, the fixing compression ring is clamped in the second annular groove after being pressed and abutted against the second rubber gasket, and the annular leather bag is fixedly arranged on the aluminum alloy upper cover through the fixing compression ring.
In one embodiment, the diameter of the first through hole is smaller than that of the second through hole, a third annular groove is formed in the top of the first through hole, and a plurality of fourth annular grooves are formed in the periphery of the second through hole.
In one embodiment, a protruding block is arranged in the middle of the groove of the piston seat, the protruding block is in a T shape, the protruding block penetrates through the first through hole and the second through hole, the top of the straight section of the protruding block is located below the third annular groove, and the diameter of the vertical section of the protruding block is consistent with that of the second through hole.
In one embodiment, the annular sealing ring is fixedly arranged in the third annular groove and the fourth annular grooves, and the annular sealing ring overflows from the third annular groove and the fourth annular grooves.
In one embodiment, the buffer component comprises a back-off and a buffer block;
one end of the back-off is embedded in the buffer block;
the buffer block is connected to the top of the bump vertical section through a back-off thread, and an adaptive threaded hole is formed in the top of the bump vertical section;
the buffer block is made of polyurethane.
In one embodiment, the air intake component comprises an air intake valve;
the air inlet valve is embedded in the top of the aluminum alloy upper cover, an air inlet pipeline is arranged in the aluminum alloy upper cover, and the air inlet valve is communicated with the air inlet pipeline.
In one embodiment, the bottom of the piston seat is symmetrically provided with mounting holes.
The air spring for the automobile provided by the embodiment has the following beneficial effects:
1. the aluminum alloy upper cover is tightly matched with the first rubber gasket on the first annular groove, the annular leather bag is sleeved into the aluminum alloy upper cover, the outer layer is sleeved into the flanging press ring, the flanging press ring and the annular leather bag are tightly pressed on the first annular groove through the hooping of mechanical equipment, the excellent sealing effect is achieved, the risk of falling off of the flanging press ring is avoided, the annular leather bag tightly pressed on the side wall of the aluminum alloy upper cover is prevented from sliding by the anti-slip protrusions, the tight tightness is better, the aluminum alloy lower cover is tightly matched with the second rubber gasket on the second annular groove, the annular leather bag is sleeved into the aluminum alloy lower cover, the outer layer is sleeved into the metal press ring, the metal press ring and the annular leather bag are tightly pressed on the second rubber gasket through the hooping of the mechanical equipment, the excellent sealing effect is achieved, the risk of falling off of the flanging press ring is avoided, and the annular seal ring is matched with the convex block on the piston seat to play a good sealing effect.
2. The buffer block is connected with the piston seat through the back-off and the threaded hole, is assembled with the back-off through a machine pressing-in mode and is used for limiting the lowest stroke of the air bag and has a certain buffering and damping effect. The piston seat is simply assembled with the aluminum alloy lower cover through the groove, so that the shape profile of the piston seat can be replaced according to the requirement to change the rigidity of the air spring.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic cross-sectional view of an aluminum alloy top cover according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the aluminum alloy lower cover of the present utility model;
FIG. 4 is a schematic cross-sectional view of a piston seat according to the present utility model;
fig. 5 is a perspective view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" and/or "are used throughout, the meaning includes three parallel schemes, for example," a and/or B "including a scheme, or B scheme, or a scheme where a and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1-5, one embodiment of the present utility model provides an air spring for an automobile, comprising:
an annular leather bag 1;
the aluminum alloy upper cover 2 is arranged at the top of the annular leather bag 1, a first annular groove 201 is formed in the periphery of the side wall of the aluminum alloy upper cover 2, a first rubber gasket 202 is sleeved in the first annular groove 201, and a plurality of anti-slip protrusions 203 are arranged on the outer surface of the aluminum alloy upper cover 2 with the first annular groove 201 facing downwards;
the aluminum alloy lower cover 3 is arranged at the bottom of the annular leather bag 1, a first through hole 301 and a second through hole 302 which are mutually communicated are formed in the aluminum alloy lower cover 3, the first through hole 301 is positioned at the top of the second through hole 302, a second annular groove 303 is formed in the second through hole 302, and a second rubber gasket 304 is sleeved in the second annular groove 303;
the piston seat 4 is arranged at the bottom of the aluminum alloy lower cover 3;
a fixing component 5, wherein the fixing component 5 is arranged on the annular leather bag 1;
a buffer member 6, the buffer member 6 being mounted on the piston seat 4;
an air intake part 7, the air intake part 7 being mounted on the aluminum alloy upper cover 2;
the annular sealing ring 8 is arranged on the aluminum alloy lower cover 3.
According to the air spring for the automobile, the aluminum alloy upper cover 2 and the first rubber gasket 202 are tightly matched on the first annular groove 201, the annular leather bag 1 is sleeved into the aluminum alloy upper cover 2, the flanging press ring 501 is sleeved on the outer layer of the annular leather bag, the flanging press ring 501 and the annular leather bag 1 tightly press the annular leather bag 1 on the first rubber gasket 202 through the hooping of mechanical equipment, so that an excellent sealing effect is achieved, the falling risk of the flanging press ring 501 is reduced, the sliding of the annular leather bag 1 pressed on the side wall of the aluminum alloy upper cover 2 is prevented by the anti-sliding protrusions 203, and the pressed air tightness is better.
In one embodiment, the fixing assembly 5 includes a turnup press ring 501 and a fixing press ring 502;
the flanging compression ring 501 is sleeved on the top periphery of the annular leather bag 1;
the fixed compression ring 502 is sleeved on the periphery of the bottom of the annular leather bag 1.
Specifically, the flanging press ring 501 and the annular leather bag 1 are clamped by mechanical equipment, and the fixing press ring 502 and the annular leather bag 1 are clamped by mechanical equipment.
In one embodiment, the middle part of the periphery of the flanging press ring 501 is clamped in the first annular groove 201 and abuts against the first rubber gasket 202 after being pressed, and the annular leather bag 1 is fixedly arranged on the aluminum alloy upper cover 2 through the flanging press ring 501.
Specifically, the middle part of the periphery of the flanging press ring 501 is clamped in the first annular groove 201 through mechanical equipment, so that the flanging press ring 501 is prevented from falling off easily, the flanging press ring 501 abuts against the periphery of the first rubber gasket 202 after being pressed, and the tightness of the whole device is ensured through the first rubber gasket 202.
In one embodiment, the piston seat 4 is provided with a groove 401 mutually matched with the fixing compression ring 502, the fixing compression ring 502 is clamped in the second annular groove 303 and abuts against the second rubber gasket 304 after being pressed, and the annular leather bag 1 is fixedly arranged on the aluminum alloy upper cover 2 through the fixing compression ring 502.
Specifically, the piston seat 4 is simply assembled with the aluminum alloy lower cover 3 through the groove 401, which is beneficial to changing the shape profile of the piston seat 4 to change the stiffness of the air spring according to the requirement.
In one embodiment, the diameter of the first through hole 301 is smaller than that of the second through hole 302, a third annular groove 305 is disposed at the top of the first through hole 301, and a plurality of fourth annular grooves 306 are disposed at the periphery of the second through hole 302.
Specifically, the first through hole 301 and the second through hole 302 are connected to the piston seat 4 for convenience.
In one embodiment, a protrusion 402 is disposed in the middle of the groove 401 of the piston seat 4, the protrusion 402 is T-shaped, the protrusion 402 penetrates through the first through hole 301 and the second through hole 302, the top of the flat section of the protrusion 402 is located below the third annular groove 305, and the diameter of the vertical section of the protrusion 402 is consistent with the diameter of the second through hole 302.
Specifically, the T-shaped protrusion 402 is configured to cooperate with the first through hole 301 and the second through hole 302, and the top of the straight section of the protrusion 402 is located below the third annular groove 305, so that the protrusion can well contact with the straight section of the protrusion 402 after the third annular groove 305 is placed in the annular seal ring 8, thereby ensuring the overall tightness.
In one embodiment, the annular sealing ring 8 is fixedly disposed in the third annular groove 305 and the fourth annular grooves 306, and the annular sealing ring 8 overflows from the third annular groove 305 and the fourth annular grooves 306.
Specifically, the annular seal ring 8 ensures the sealability after the connection of the projection 402 and the first and second through holes 301, 302.
In one embodiment, the buffer member 6 includes a back-off 601 and a buffer block 602;
one end of the back-off 601 is embedded in the buffer block 602;
the buffer block 602 is in threaded connection with the top of the vertical section of the bump 402 through an inverted buckle 601, and an adaptive threaded hole 403 is formed in the top of the vertical section of the bump 402;
the material of the buffer block 602 is polyurethane.
Specifically, the buffer block 602 is assembled with the back-off 601 by a machine pressing manner, so as to limit the lowest travel of the air bag, and has a certain buffering and damping effect, and polyurethane is used because the polyurethane has good wear resistance.
In one embodiment, the intake member 7 includes an intake valve 701;
the air inlet valve 701 is embedded in the top of the aluminum alloy upper cover 2, and an air inlet pipeline 702 is arranged in the aluminum alloy upper cover 2, and the air inlet valve 701 is communicated with the air inlet pipeline 702.
Specifically, the annular bladder 1 is inflated by the intake valve 701, and the intake duct 702 introduces gas into the annular bladder 1.
In one embodiment, the bottom of the piston seat 4 is symmetrically provided with mounting holes 9.
Specifically, the mounting holes 9 facilitate mounting the air spring on the vehicle body.
Compared with the prior art, the air spring for the automobile is tightly matched with the first rubber gasket on the first annular groove through the aluminum alloy upper cover, the annular leather bag is sleeved into the aluminum alloy upper cover, the outer layer is sleeved into the flanging press ring, the flanging press ring and the annular leather bag are tightly pressed on the first annular groove through the hooping of mechanical equipment, the excellent sealing effect is achieved, the risk of falling off of the flanging press ring is avoided, the anti-slip protrusions prevent the annular leather bag pressed on the side wall of the aluminum alloy upper cover from sliding, the pressed air tightness is better, the aluminum alloy lower cover is tightly matched with the second rubber gasket on the second annular groove, the annular leather bag is sleeved into the aluminum alloy lower cover, the outer layer is sleeved into the metal press ring, the metal press ring and the annular leather bag are tightly pressed on the second rubber gasket through the hooping of mechanical equipment, the excellent sealing effect is achieved, the annular press ring is matched with the bump on the piston seat, the buffer block is connected with the piston seat through the inverted buckle and the threaded hole, the buffer block is assembled with the inverted buckle through the machine in a pressing mode, and the lowest stroke of the air bag is limited, and the air bag has a certain buffer effect. The piston seat is simply assembled with the aluminum alloy lower cover through the groove, so that the shape profile of the piston seat can be replaced according to the requirement to change the rigidity of the air spring.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. An air spring for an automobile, comprising:
an annular leather bag;
the aluminum alloy upper cover is arranged at the top of the annular leather bag, a first annular groove is formed in the periphery of the side wall of the aluminum alloy upper cover, a first rubber gasket is sleeved in the first annular groove, and a plurality of anti-slip protrusions are arranged on the outer surface of the aluminum alloy upper cover with the first annular groove facing downwards;
the aluminum alloy lower cover is arranged at the bottom of the annular leather bag, a first through hole and a second through hole which are mutually communicated are formed in the aluminum alloy lower cover, the first through hole is positioned at the top of the second through hole, a second annular groove is formed in the second through hole, and a second rubber gasket is sleeved in the second annular groove;
the piston seat is arranged at the bottom of the aluminum alloy lower cover;
the fixed component is arranged on the annular leather bag;
a buffer member mounted on the piston seat;
the air inlet component is arranged on the aluminum alloy upper cover;
the annular sealing ring is arranged on the aluminum alloy lower cover.
2. An air spring for an automobile according to claim 1,
the fixing assembly comprises a flanging press ring and a fixing press ring;
the flanging compression ring is sleeved on the periphery of the top of the annular leather bag;
the fixed compression ring is sleeved on the periphery of the bottom of the annular leather bag.
3. An air spring for an automobile according to claim 2,
the middle part of the periphery of the flanging press ring is clamped in the first annular groove after being pressed and abuts against the first rubber gasket, and the annular leather bag is fixedly arranged on the aluminum alloy upper cover through the flanging press ring.
4. An air spring for an automobile according to claim 3,
the piston seat is provided with a groove which is mutually matched with the fixed compression ring, the fixed compression ring is clamped in the second annular groove after being pressed and abutted against the second rubber gasket, and the annular leather bag is fixedly arranged on the aluminum alloy upper cover through the fixed compression ring.
5. An air spring for an automobile as claimed in claim 4, wherein,
the diameter of the first through hole is smaller than that of the second through hole, a third annular groove is formed in the top of the first through hole, and a plurality of fourth annular grooves are formed in the periphery of the second through hole.
6. An air spring for an automobile according to claim 5,
the piston seat is characterized in that a lug is arranged in the middle of the piston seat groove and is in a T shape, the lug penetrates through the first through hole and the second through hole, the top of the straight section of the lug is located below the third annular groove, and the diameter of the vertical section of the lug is consistent with that of the second through hole.
7. An air spring for an automobile according to claim 5,
the annular sealing rings are fixedly arranged in the third annular groove and the fourth annular grooves, and overflow out of the third annular groove and the fourth annular grooves.
8. An air spring for an automobile as claimed in claim 6, wherein,
the buffer part comprises a back-off and a buffer block;
one end of the back-off is embedded in the buffer block;
the buffer block is connected to the top of the bump vertical section through a back-off thread, and an adaptive threaded hole is formed in the top of the bump vertical section;
the buffer block is made of polyurethane.
9. An air spring for an automobile according to any one of claims 1 to 7,
the intake component includes an intake valve;
the air inlet valve is embedded in the top of the aluminum alloy upper cover, an air inlet pipeline is arranged in the aluminum alloy upper cover, and the air inlet valve is communicated with the air inlet pipeline.
10. An air spring for an automobile according to any one of claims 1 to 7,
and mounting holes are symmetrically formed in the bottom of the piston seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222265814.0U CN219035416U (en) | 2022-08-26 | 2022-08-26 | Air spring for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222265814.0U CN219035416U (en) | 2022-08-26 | 2022-08-26 | Air spring for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035416U true CN219035416U (en) | 2023-05-16 |
Family
ID=86287130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222265814.0U Active CN219035416U (en) | 2022-08-26 | 2022-08-26 | Air spring for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035416U (en) |
-
2022
- 2022-08-26 CN CN202222265814.0U patent/CN219035416U/en active Active
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