CN219809409U - Sealing assembly for tire inflation and deflation system - Google Patents
Sealing assembly for tire inflation and deflation system Download PDFInfo
- Publication number
- CN219809409U CN219809409U CN202320313245.4U CN202320313245U CN219809409U CN 219809409 U CN219809409 U CN 219809409U CN 202320313245 U CN202320313245 U CN 202320313245U CN 219809409 U CN219809409 U CN 219809409U
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- CN
- China
- Prior art keywords
- oil
- air
- sealing element
- air cavity
- wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 239000004519 grease Substances 0.000 claims abstract description 8
- 238000007142 ring opening reaction Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Abstract
The utility model discloses a sealing assembly for a tire inflation and deflation system, which comprises an oil gas sealing element and an oil sealing box, wherein a plurality of oil sealing lips are integrally formed on the inner ring surface of the oil gas sealing element, an air cavity with an inner ring opening is formed in the oil gas sealing element, a step hole communicated with the air cavity is formed in the middle of the outer wall of the oil gas sealing element, an assembly step is formed in the bottom surface of the oil sealing box, the oil sealing box is attached to the outer ring surface of the oil gas sealing element, a compressed air channel is formed in the middle of the oil sealing box, two clamp spring mounting grooves are formed in the bottom surface of the oil sealing box, clamp springs are clamped in the clamp spring mounting grooves, an outer air sealing element is arranged on the inner wall of the opening of the air cavity, and sealing lips are integrally formed on the outer side surface of the outer air sealing element. The utility model has reasonable structure arrangement, effectively improves the air tightness of the whole structure, and has strong applicability and good practicability; the lubricating grease is filled between the outer air sealing element and the inner wall of the air cavity, friction between the outer air sealing element and the air cavity is reduced, the service life of the whole body is prolonged, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of tire inflation and deflation systems, and particularly relates to a sealing assembly for a tire inflation and deflation system.
Background
The tire inflation and deflation system is also called as a tire central inflation and deflation system, and is a complete system which is arranged on an automobile and consists of a compressed air source, a control circuit, a control air circuit, a rotary sealing air chamber and a tire valve, and is used for adjusting and monitoring the air pressure of tires, and the running performance of the automobile on different roads is improved by controlling the air pressure of each tire so as to meet different requirements of different roads on the air pressure of the tire of the wheel;
the bulletin number in the prior art is: the patent of CN202641270U discloses a technical scheme of an automatic inflation and deflation device for a special vehicle tire, which can meet the use requirements of common situations, and the existing oil-gas sealing device is a combined seal, wherein one of the oil-gas sealing device is used for sealing lubricating grease, and the other oil-gas sealing device is used for sealing gas. On the airtight side, the airtight seal is basically operated in a dry friction state and has poor overall airtightness due to no lubrication, so that the applicability and practicality are limited.
Disclosure of Invention
The utility model aims to provide a sealing assembly for a tire inflation and deflation system, which is reasonable in structural arrangement and good in air tightness.
The technical scheme for achieving the purpose is that the sealing assembly for the tire inflation and deflation system comprises an oil-gas sealing element and an oil seal box, wherein a plurality of oil seal lips are integrally formed on the inner annular surface of the oil-gas sealing element, an air cavity with an inner annular opening is formed in the oil-gas sealing element, a step hole communicated with the air cavity is formed in the middle of the outer wall of the oil-gas sealing element, an assembly step is integrally formed in the middle of the bottom surface of the oil seal box, the oil seal box is attached to the outer annular surface of the oil-gas sealing element, the assembly step is inserted and clamped in the step hole for positioning, a compressed air channel communicated with the air cavity is formed in the middle of the oil seal box, two clamp spring mounting grooves are formed in the bottom surface of the oil seal box, clamp springs are clamped in the clamp spring mounting grooves, the inner side surfaces of the clamp springs are attached to the upper part of the outer wall of the oil-gas sealing element, an outer airtight sealing element is arranged on the inner wall of the opening, and the outer side surface of the outer element is integrally formed with the seal lips.
Grease is filled between the outer air sealing element and the inner wall of the air cavity.
And an external round rubber sealing layer is adhered to the outer side surface of the oil seal box.
And the oil-gas sealing element is also provided with an outer spring and an inner spring, and the inner spring and the oil-gas sealing element are vulcanized into a whole.
The bottom of the step hole is provided with an L-shaped reinforced metal framework which is bent inwards.
The inner wall of the air cavity is provided with a special-shaped reinforced metal framework.
The utility model has the positive effects that: the utility model has reasonable structure arrangement, can effectively improve the air tightness of the whole structure by matching the oil seal box with the external air sealing element, and has stable and reliable use, strong applicability and good practicability; and lubricating grease is filled between the outer air sealing element and the inner wall of the air cavity, so that friction between the outer air sealing element and the air cavity is reduced, the service life of the whole body is prolonged, and the practicability is high.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Reference numerals: the oil-gas sealing piece 1, the oil seal box 2, the oil seal lip 3, the air cavity 4, the step hole 5, the assembly step 6, the compressed air channel 7, the clamp spring mounting groove 8, the clamp spring 9, the outer air sealing piece 10, the seal air lip 11, the lubricating grease 12, the outer round rubber sealing layer 13, the L-shaped reinforced metal framework 14, the outer spring 15, the inner spring 16 and the special-shaped reinforced metal framework 17.
Detailed Description
The technical scheme is further described with reference to the drawings in the specification, and the specific description is as follows:
as shown in fig. 1 and 2, a sealing assembly for a tire inflation and deflation system comprises an oil-gas sealing member 1 and an oil seal box 2, wherein an outer side surface of the oil seal box is adhered with an external circular rubber sealing layer 13. The oil seal lip 3 is integrally formed on the inner ring surface of the oil gas sealing member, in this embodiment, the above structure is a conventional structure in the prior art, and is simply applied, so that it is not described in detail, the oil gas sealing member is provided with an air cavity 4 with an inner ring opening, in this embodiment, the air cavity is shaped like a convex, the middle part of the outer wall of the oil gas sealing member is provided with a step hole 5 communicated with the air cavity, in this embodiment, the step hole is a circular hole, and is mainly used for installing and positioning an oil seal box, and is used for entering compressed air, and in order to improve strength and contact area with an assembly step, the bottom of the step hole is provided with an L-shaped reinforced metal framework 14 bent inwards.
The utility model discloses a sealing device for oil seal, including oil blanket box, air cavity, clamping spring mounting groove, air cavity, clamping spring 9, air cavity, sealing device, air cavity's opening part inner wall, clamping spring, sealing device's bottom surface middle part integrated into one piece has assembly step 6, in the use, its the oil blanket box is attached on the outer anchor ring of oil gas sealing part, just the assembly step plug-in card is in the downthehole location of step, the compressed air passageway 7 that is linked together with the air cavity is seted up at the middle part of oil blanket box, the bottom surface of oil blanket box is provided with two clamping spring mounting grooves 8, the clamping spring 9 has been blocked in the clamping spring mounting groove, the medial surface of clamping spring is attached on the outer wall upper portion of oil gas sealing part, the opening part inner wall of air cavity is provided with outer airtight part 10, outer airtight part's lateral surface integrated into one piece has sealed air lip 11. In order to ensure tightness, grease 12 is filled between the outer seal and the inner wall of the air chamber.
The hydro-pneumatic sealing element is also provided with an outer spring 15 and an inner spring 16, and the inner spring and the hydro-pneumatic sealing element are vulcanized into a whole. In this embodiment, the inner spring is for bearing air pressure.
The inner wall of the air cavity is provided with a special-shaped reinforced metal framework 17.
In the embodiment, the outer air sealing element, the special-shaped metal framework, the inner spring and the L-shaped reinforced metal framework are all integrally vulcanized and bonded with rubber.
The utility model has reasonable structure arrangement, can effectively improve the air tightness of the whole structure by matching the oil seal box with the external air sealing element, and has stable and reliable use, strong applicability and good practicability; and lubricating grease is filled between the outer air sealing element and the inner wall of the air cavity, so that friction between the outer air sealing element and the air cavity is reduced, the service life of the whole body is prolonged, and the practicability is high.
The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.
Claims (6)
1. The utility model provides a seal assembly for tire inflation gas system, includes oil gas sealing spare and oil blanket box, integrated into one piece has a plurality of oil blanket lip on the interior anchor ring of oil gas sealing spare, its characterized in that: the oil seal box is characterized in that an inner ring opening air cavity is formed in the oil seal piece, a step hole communicated with the air cavity is formed in the middle of the outer wall of the oil seal piece, an assembly step is integrally formed in the middle of the bottom surface of the oil seal box, the oil seal box is attached to the outer ring surface of the oil seal piece, the assembly step is inserted and clamped in the step hole to be positioned, a compressed air channel communicated with the air cavity is formed in the middle of the oil seal box, two clamp spring mounting grooves are formed in the bottom surface of the oil seal box, clamp springs are clamped in the clamp spring mounting grooves, the inner side surface of each clamp spring is attached to the upper portion of the outer wall of the oil seal piece, an outer air seal piece is arranged on the inner wall of the opening of the air cavity, and a seal air lip is integrally formed on the outer side surface of the outer air seal piece.
2. A seal assembly for a tire inflation and deflation system as in claim 1, wherein: grease is filled between the outer air sealing element and the inner wall of the air cavity.
3. A seal assembly for a tire inflation and deflation system as in claim 2, wherein: and an external round rubber sealing layer is adhered to the outer side surface of the oil seal box.
4. A seal assembly for a tire inflation and deflation system as set forth in claim 3, wherein: the bottom of the step hole is provided with an L-shaped reinforced metal framework which is bent inwards.
5. A seal assembly for a tire inflation and deflation system as in claim 4, wherein: and the oil-gas sealing element is also provided with an outer spring and an inner spring, and the inner spring and the oil-gas sealing element are vulcanized into a whole.
6. A seal assembly for a tire inflation and deflation system as in claim 5, wherein: the inner wall of the air cavity is provided with a special-shaped reinforced metal framework.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320313245.4U CN219809409U (en) | 2023-02-25 | 2023-02-25 | Sealing assembly for tire inflation and deflation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320313245.4U CN219809409U (en) | 2023-02-25 | 2023-02-25 | Sealing assembly for tire inflation and deflation system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219809409U true CN219809409U (en) | 2023-10-10 |
Family
ID=88210228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320313245.4U Active CN219809409U (en) | 2023-02-25 | 2023-02-25 | Sealing assembly for tire inflation and deflation system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219809409U (en) |
-
2023
- 2023-02-25 CN CN202320313245.4U patent/CN219809409U/en active Active
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