CN209587031U - A kind of air spring seam ports sealing structure - Google Patents
A kind of air spring seam ports sealing structure Download PDFInfo
- Publication number
- CN209587031U CN209587031U CN201920291014.1U CN201920291014U CN209587031U CN 209587031 U CN209587031 U CN 209587031U CN 201920291014 U CN201920291014 U CN 201920291014U CN 209587031 U CN209587031 U CN 209587031U
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- becket
- mouth
- rim
- air spring
- connect
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- 238000007789 sealing Methods 0.000 title claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 241001661355 Synapsis Species 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000032683 aging Effects 0.000 abstract description 7
- 230000003313 weakening effect Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Diaphragms And Bellows (AREA)
Abstract
The utility model discloses a kind of air spring seam ports sealing structures, belong to air spring seal field.The air spring seam ports sealing structure, including rubber pneumatic bag, upper cover plate, support base, the rubber pneumatic bag include upper rim of the mouth and lower rim of the mouth, and becket and elastic sealing element, the becket are connect with the upper rim of the mouth end or the lower rim of the mouth end；If the upper rim of the mouth end is connect with the becket, the becket is connect with the upper cover plate, and the setting of both contact position is fluted, and the elastic sealing element setting is in a groove；If the lower rim of the mouth end is connect with the becket, the becket is connect with the support base, and the setting of both contact position is fluted, and the elastic sealing element setting is in a groove.Above-mentioned air spring seam ports sealing structure avoids low temperature and ageing of rubber from weakening air bag rim of the mouth and intermetallic leakproofness, solves gas leakage caused by the small sliding between lateral big displacement state lower gasbag rim of the mouth and metal, improve the reliability of sealing.
Description
Technical field
The utility model belongs to air spring seal field, more particularly to a kind of air spring seam ports sealing structure.
Background technique
Air spring suspension system, because it is adjustable with height, anti-vibration performance is superior, deformability is strong, damping is adjustable, every
Many advantages, such as sound noise reduction, is widely used in the secondary suspension system of rail vehicle.Air spring is mainly made of 3 parts, point
It Wei not upper cover plate, rubber pneumatic bag and auxiliary rubber heap.The rim of the mouth seal form of air bag is divided into screw fastening-type and pressure self-sealing
Two kinds.
Screw fastening-type is only applicable to the air spring of yeast capsule air bag, and rim of the mouth is utilized by the pretightning force of screw thereon
Retaining ring is pressed in rubber pneumatic bag on upper cover plate, realizes sealing using the interference compression of rim of the mouth rubber, which is to air bag rim of the mouth
Size, upper cover plate flatness and retaining ring size require strictly, and rubber size will guarantee by mold after the vulcanization of air bag rim of the mouth, and
And assembly is complicated, key control point is more, is only applicable to rim of the mouth and is not suitable for lower rim of the mouth.
Self sealing type air spring is suitable for the sealing of rim of the mouth up and down of Chinese yeast capsule and belt type air bag, and the above rim of the mouth is
Example, sealing rely primarily on the interference fit in rim of the mouth and upper cover plate mating surface on air bag, but are difficult to hold there are magnitude of interference, close
Illusive disadvantage is sealed, interference design is excessive, be easy to cause assembly not in place, damage air bag rim of the mouth mating surface and disassembly difficult；
Interference is inadequate, and with respect to upper cover plate small sliding occurs for rim of the mouth surface on low temperature aging and lateral big displacement state lower gasbag, leaks
Gas phenomenon；Based on this, gas leakage under air spring low temperature aging and lateral big displacement state is solved, improves the reliability of its sealing extremely
It closes important.
Utility model content
Place in view of the shortcomings of the prior art, the utility model proposes one kind to be able to solve air spring in low temperature
Gas leakage improves the air spring seam ports sealing structure of sealing reliability simultaneously under aging and lateral big displacement state.
To solve the technical problem, the technical solution adopted in the utility model are as follows:
A kind of air spring seam ports sealing structure, including rubber pneumatic bag, upper cover plate, support base, the rubber pneumatic bag include
Upper rim of the mouth and lower rim of the mouth, further include becket and elastic sealing element, the becket and the upper rim of the mouth end or it is described under
The connection of rim of the mouth end；
If becket is connect with upper rim of the mouth end, the becket is connect with the upper cover plate, the becket with it is described
The setting of upper cover plate contact position is fluted, and the elastic sealing element setting is in a groove；
If becket is connect with lower rim of the mouth end, the becket is connect with the support base, the becket with it is described
The setting of support base contact position is fluted, and the elastic sealing element setting is in a groove.
Preferably, becket is integrated with upper rim of the mouth end if becket is connect with the end in upper rim of the mouth；
If becket is connect with the end in lower rim of the mouth, becket is integrated with lower rim of the mouth end.
Preferably, the becket is to be threadedly coupled with the connection type of the upper cover plate or the support base.
Preferably, there are chamferings for the upper end or lower end of the becket.
Preferably, it further includes retaining ring, the retaining ring is arranged in the becket below or above；
If the lower section of the becket is arranged in the retaining ring, the retaining ring is connect with the upper cover plate, described in compressing
Becket and the elastic sealing element；
If the top of the becket is arranged in the retaining ring, the retaining ring is connect with the support base, described in compressing
Becket and the elastic sealing element.
Preferably, the connection type of the retaining ring and the upper cover plate or the support base is that threaded connection or bolt connect
It connects.
Preferably, the elastic sealing element is O-ring seal.
Preferably, elastic sealing element be becket side surface sulfide go out rubber dome.
Compared with prior art, the utility model has the beneficial effects that:
1. the rim of the mouth end of the utility model air spring seam ports sealing structure, becket and rubber pneumatic bag is integrated, from
And solve gas leakage and sliding problem between rubber pneumatic bag rim of the mouth end and becket；It is recessed by being opened up in upper cover plate or support base
Slot plays the role of fixed elastic sealing element, by placing elastic sealing element in a groove, and passes through upper cover plate and becket
Connection or support base connected with becket, elastic sealing element has been compressed, to improve the reliability and stability of sealing.
2. the connection type of the utility model air spring seam ports sealing structure, becket and upper cover plate or support base uses
It is threadedly coupled, using the self-locking property that it is threadedly coupled, guarantees the stability of connection, to make elastic sealing element not by air
The influence of spring works state, remains the sealing effect of steady stability, to solve under low temperature or rubber under ageing of rubber
Glue air bag rim of the mouth and the insecure problem of intermetallic leakproofness, also solve lateral big displacement state lower gasbag rim of the mouth and metal
Between small sliding caused by leakage problem, while the sealing means structure is simple, is convenient for assembly or disassembly.
3. the utility model air spring seam ports sealing structure, by the way that in becket upper end or lower end, there are chamferings, it is convenient for
Becket can be with the assembly between upper cover plate or support base.
4. the utility model air spring seam ports sealing structure passes through retaining ring and upper cover plate or support by increasing retaining ring
Threaded connection between seat is bolted, and achievees the effect that compress becket and elastic seal ring, to improve sealing
Reliability, and it is convenient for assembly or disassembly.
Detailed description of the invention
The utility model is further described below with reference to examples and drawings:
Fig. 1 is screw fastening-type air spring constructions schematic diagram provided by the utility model；
Fig. 2 is self sealing type air spring structural schematic diagram provided by the utility model；
Fig. 3 is a kind of air spring seam ports sealed structural schematic diagram provided by the utility model embodiment；
Fig. 4 is the portion A partial enlargement structural representation shown in Fig. 3 in the utility model embodiment 1；
Fig. 5 is the partial enlargement structural representation in the portion A shown in Fig. 3 in the utility model embodiment 2；
Fig. 6 is the partial enlargement structural representation in the portion A shown in Fig. 3 in the utility model embodiment 3；
Fig. 7 is the partial enlargement structural representation in the portion A shown in Fig. 3 in the utility model embodiment 4；
Fig. 8 is the portion C partial enlargement structural representation shown in Fig. 3 in the utility model embodiment 5；
Fig. 9 is the partial enlargement structural representation in the portion C shown in Fig. 3 in the utility model embodiment 6；
Figure 10 is the partial enlargement structural representation in the portion C shown in Fig. 3 in the utility model embodiment 7；
Figure 11 is the partial enlargement structural representation in the portion C shown in Fig. 3 in the utility model embodiment 8.
Specific embodiment
The technical solution in the utility model specific embodiment in detail, completely describe below in conjunction with attached drawing.
Obviously, described embodiment is only the part specific embodiment of the total technical solution of the utility model, and not all
Embodiment.Total design based on the utility model, those of ordinary skill in the art's every other embodiment obtained, all
Fall within the range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The utility model provides a kind of air spring seam ports sealing structure, including rubber pneumatic bag, upper cover plate, support base,
The rubber pneumatic bag includes upper rim of the mouth and lower rim of the mouth, further includes becket and elastic sealing element, the becket and it is described on
Rim of the mouth end or the lower rim of the mouth end connection；
If the end in the upper rim of the mouth is connect with the becket, the becket is connect with the upper cover plate, the gold
Belong to ring and upper cover plate contact position setting is fluted, the elastic sealing element setting is in a groove；
If the end in the lower rim of the mouth is connect with the becket, the becket is connect with the support base, the gold
Belong to ring and support base contact position setting is fluted, the elastic sealing element setting is in a groove.
Embodiment 1: as shown in Figure 3 to Figure 4, a kind of air spring sub-mouth sealing structure, including rubber pneumatic bag 1, metal
Ring 2, O-ring seal 3 and upper cover plate 4, rubber pneumatic bag 1 and becket 2 are one by adhesive and high temperature vulcanized strong bond
Body is in contact in upper cover plate 4 with 2 the two of becket so as to avoid gas leakage and sliding occur between rubber pneumatic bag and becket
The lower surface of place's upper cover plate 4 has opened up groove, and O-shaped rubber seal 3 is placed in the groove of upper cover plate 4, viscous with rubber pneumatic bag 1
Be threadedly coupled between the becket 2 became one and upper cover plate 4, to compress O-ring seal 3, by its be threadedly coupled from
Performance is locked, to guarantee its connective stability, improves the reliability of its sealing, while 2 upper end of becket is there are the chamfering of C2, from
And when guaranteeing that becket 2 and upper cover plate 4 assemble, becket 2 can be adjacent to the lower surface of upper cover plate 4, be set to its compression recessed
O-ring seal 3 in slot.Solve the sealing structure under low temperature or rubber pneumatic bag rim of the mouth and intermetallic close under ageing of rubber
The insecure problem of envelope property, also solves gas leakage caused by the small sliding between lateral big displacement state lower gasbag rim of the mouth and metal
Problem, while the sealing means structure is simple, is convenient for assembly or disassembly.
A kind of air spring seal structure working principle are as follows: in air spring transverse direction big displacement, air bag is matched with upper cover
At conjunction because between the two sliding or cooperation it is insecure, so as to cause leakage problem, using between becket 2 and upper cover plate 4
It is threadedly coupled, O-ring seal is compressed；And air spring, in lateral big displacement, the threaded connection between metal can be protected
The static seal state for demonstrate,proving O-ring seal, plays stable sealing function.
Embodiment 2, as shown in figure 5, compared with Example 1, the difference is that, O-ring seal 3 is changed in metal
The upper surface of ring 2 vulcanizes rubber dome 5 out, by its rubber dome 5 in groove, plays the work for being equal to O-ring seal 3
With.
Embodiment 3, as shown in fig. 6, compared with Example 1, the difference is that, the spiral shell between becket 2 and upper cover plate 4
Line connection is changed to small―gap suture cooperation, increases components retaining ring 6, and be threadedly coupled between upper cover plate 4, to compress becket 2
With O-ring seal 3；Also its sealing is improved to guarantee its connective stability using its self-locking property being threadedly coupled
Reliability, and be convenient for assembly or disassembly.
Embodiment 4, as shown in fig. 7, compared with Example 1, the difference is that, the spiral shell between becket 2 and upper cover plate 4
Line connection is changed to small―gap suture cooperation, increases components retaining ring 6, and connect between upper cover plate by bolt 7, to compress gold
Belong to ring 2 and O-ring seal 3；To guarantee its connective stability, the reliability of its sealing is improved, and be convenient for assembly or disassembly.
Embodiment 5: as shown in Fig. 3 and Fig. 8, rim of the mouth sealing structure under a kind of air spring, including rubber pneumatic bag 1, metal
Ring 2, O-ring seal 3 and support base 8, rubber pneumatic bag 1 and becket 2 are one by adhesive and high temperature vulcanized strong bond
Body is in contact in support base 8 with 2 the two of becket so as to avoid gas leakage and sliding occur between rubber pneumatic bag and becket
The upper surface of place's support base 8 has opened up groove, and O-shaped rubber seal 3 is placed in the groove of support base 8, viscous with rubber pneumatic bag 1
Be threadedly coupled between the becket 2 became one and support base 8, to compress O-ring seal 3, by its be threadedly coupled from
Performance is locked, to guarantee its connective stability, improves the reliability of its sealing, while 2 lower end of becket is there are the chamfering of C2, from
And when guaranteeing that becket 2 and support base 8 assemble, becket 2 can be adjacent to the upper surface of support base 8, be set to its compression recessed
O-ring seal 3 in slot.Solve the sealing structure under low temperature or rubber pneumatic bag rim of the mouth and intermetallic close under ageing of rubber
The insecure problem of envelope property, also solves gas leakage caused by the small sliding between lateral big displacement state lower gasbag rim of the mouth and metal
Problem, while the sealing means structure is simple, is convenient for assembly or disassembly.
A kind of air spring seal structure working principle are as follows: in air spring transverse direction big displacement, air bag and support base
At cooperation because between the two sliding or cooperation it is insecure, so as to cause leakage problem, using becket 2 and support base 8 it
Between be threadedly coupled, O-ring seal is compressed；And air spring is in lateral big displacement, and the threaded connection between metal can be with
The static seal state for guaranteeing O-ring seal, plays stable sealing function.
Embodiment 6, as shown in figure 9, compared with Example 5, the difference is that, O-ring seal 3 is changed in metal
The lower surface of ring 2 vulcanizes rubber dome 9 out, by its rubber dome 9 in groove, plays the work for being equal to O-ring seal 3
With.
Embodiment 7, as shown in Figure 10, compared with Example 5, the difference is that, between becket 2 and support base 8
It is threadedly coupled, is changed to small―gap suture cooperation, increases components retaining ring 6, and be threadedly coupled between support base 8, to compress metal
Ring 2 and O-ring seal 3；Also it is improved to guarantee its connective stability using its self-locking property being threadedly coupled
The reliability of sealing, and it is convenient for assembly or disassembly.
Embodiment 8, as shown in figure 11, compared with Example 5, the difference is that, between becket 2 and support base 8
It is threadedly coupled, is changed to small―gap suture cooperation, increases components retaining ring 6, and connect between support base 8 by bolt 7, to compress
Becket 2 and O-ring seal 3；To guarantee its connective stability, the reliability of its sealing is improved, and be convenient for assembly or disassembly.
Claims (8)
1. a kind of air spring seam ports sealing structure, including rubber pneumatic bag, upper cover plate, support base, the rubber pneumatic bag include upper
Rim of the mouth and lower rim of the mouth, it is characterised in that: it further includes becket and elastic sealing element, the becket and upper rim of the mouth end or under
The connection of rim of the mouth end；
If becket is connect with the end in upper rim of the mouth, the becket is connect with the upper cover plate, the becket and it is described on
The setting of cover board contact position is fluted, and the elastic sealing element setting is in a groove；
If becket is connect with the end in lower rim of the mouth, the becket is connect with the support base, the becket and the branch
It is fluted to support the setting of seated connection synapsis, the elastic sealing element setting is in a groove.
2. air spring seam ports sealing structure according to claim 1, which is characterized in that
If becket is connect with the end in upper rim of the mouth, becket is integrated with upper rim of the mouth end；
If becket is connect with the end in lower rim of the mouth, becket is integrated with lower rim of the mouth end.
3. air spring seam ports sealing structure according to claim 1, which is characterized in that the becket and the upper cover
The connection type of plate or the support base is to be threadedly coupled.
4. air spring seam ports sealing structure according to claim 2, which is characterized in that the upper end of the becket or under
There are chamferings at end.
5. air spring seam ports sealing structure according to claim 1, which is characterized in that it further includes retaining ring, the button
Ring is arranged in the becket below or above；
If the lower section of the becket is arranged in the retaining ring, the retaining ring is connect with the upper cover plate, to compress the metal
Ring and the elastic sealing element；
If the top of the becket is arranged in the retaining ring, the retaining ring is connect with the support base, to compress the metal
Ring and the elastic sealing element.
6. air spring seam ports sealing structure according to claim 5, which is characterized in that the retaining ring and the upper cover plate
Or the connection type of the support base is to be threadedly coupled or be bolted.
7. according to claim 1 to air spring seam ports sealing structure described in any claim in 6, which is characterized in that institute
Stating elastic sealing element is O-ring seal.
8. according to claim 1 to air spring seam ports sealing structure described in any claim in 6, which is characterized in that institute
State elastic sealing element be becket side surface sulfide go out rubber dome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291014.1U CN209587031U (en) | 2019-03-07 | 2019-03-07 | A kind of air spring seam ports sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291014.1U CN209587031U (en) | 2019-03-07 | 2019-03-07 | A kind of air spring seam ports sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587031U true CN209587031U (en) | 2019-11-05 |
Family
ID=68371652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920291014.1U Active CN209587031U (en) | 2019-03-07 | 2019-03-07 | A kind of air spring seam ports sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120562A (en) * | 2020-01-06 | 2020-05-08 | 株洲时代新材料科技股份有限公司 | Sealing method and structure for upper seam allowance of low-temperature-resistant air spring |
| CN111255984A (en) * | 2020-03-26 | 2020-06-09 | 广东邦达实业有限公司 | Curved bag type vibration isolation foot pad |
| CN111795100A (en) * | 2020-08-04 | 2020-10-20 | 广州溢滔钱潮减震科技股份有限公司 | Clamping type sealing air spring |
-
2019
- 2019-03-07 CN CN201920291014.1U patent/CN209587031U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120562A (en) * | 2020-01-06 | 2020-05-08 | 株洲时代新材料科技股份有限公司 | Sealing method and structure for upper seam allowance of low-temperature-resistant air spring |
| CN111120562B (en) * | 2020-01-06 | 2021-04-16 | 株洲时代瑞唯减振装备有限公司 | Sealing method and structure for upper seam allowance of low-temperature-resistant air spring |
| CN111255984A (en) * | 2020-03-26 | 2020-06-09 | 广东邦达实业有限公司 | Curved bag type vibration isolation foot pad |
| CN111795100A (en) * | 2020-08-04 | 2020-10-20 | 广州溢滔钱潮减震科技股份有限公司 | Clamping type sealing air spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee after: Qingdao Borui Zhiyuan Damping Technology Co.,Ltd. Patentee after: QINGDAO SRI TECHNOLOGY Co.,Ltd. Address before: 266031 Shandong province Qingdao City, Ruichang Road No. 231 Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Patentee before: QINGDAO SRI TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Country or region after: China Patentee after: Qingdao Borui Zhiyuan Damping Technology Co.,Ltd. Patentee after: CRRC Brake System Co.,Ltd. Address before: No. 231, Ruichang Road, North District, Qingdao, Shandong Patentee before: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Country or region before: China Patentee before: Qingdao Borui Zhiyuan Damping Technology Co.,Ltd. Patentee before: QINGDAO SRI TECHNOLOGY Co.,Ltd. |