CN202243434U - Valve guiding air seal component and vacuum booster comprising same - Google Patents
Valve guiding air seal component and vacuum booster comprising same Download PDFInfo
- Publication number
- CN202243434U CN202243434U CN2011202998300U CN201120299830U CN202243434U CN 202243434 U CN202243434 U CN 202243434U CN 2011202998300 U CN2011202998300 U CN 2011202998300U CN 201120299830 U CN201120299830 U CN 201120299830U CN 202243434 U CN202243434 U CN 202243434U
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- China
- Prior art keywords
- valve body
- servo
- sealing gland
- gland assembly
- unit
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses a valve guiding air seal component and a vacuum booster comprising the same. On the one hand, an inner cavity of a booster is separated from the atmospheric air, an excellent sealing effect can be realized while a valve of the booster slides on the inner cavity of the booster, on the other hand, a supporting effect is realized for the valve of the booster, and stability of movement of the valve is maintained. The technical scheme includes that the valve guiding air seal component is made of complete rubber materials and comprises a circumferential oil storage groove and a circumferential support.
Description
Technical field
The present invention relates to a kind of poted assemblies, relate in particular to and be applied in vacuum booster acting on the valve body guiding sealing gland assembly of servo-unit valve body.
Background technology
In the structure of vacuum booster; Need on the servo-unit valve body, design a kind of sealing member; This sealing member one side need to the servo-unit valve body play a supporting role and sliding process in stabilization; Need play sealing function on the other hand, the gas and the ambient atmosphere that are about in the servo-unit inner chamber are isolated.
Fig. 1 shows the embodiment of traditional sealing member, and is as shown in Figure 1, traditional sealing member by seal ring 10, supporting disk 11 and fixedly buckle 12 constitute, form complex structure by these three parts.
Fig. 2 shows the embodiment of the traditional sealing member of another kind, and the sealing member among Fig. 2 is made up of coil component spring collar 20, rubber sealing gland 21 and metallic framework 22, also forms complex structure by three parts.And having metallic framework in the part, assembling needs special riveting equipment, so assembly difficulty is big, cost is high.
To sum up, there is not a kind of sealing member simple in structure in vacuum booster, to play the effect of good sealing and stable servo-unit valve body at present.
The utility model content
The utility model provides a kind of valve body guiding sealing gland assembly; On the one hand servo-unit inner chamber and atmosphere are separated; And still play the excellent sealing effect above that when the servo-unit valve body slides, on the other hand the servo-unit valve body is played a supporting role, keep the stability of valve body motion.
Another purpose of the utility model has been to provide a kind of vacuum booster that comprises valve body guiding sealing gland assembly; On the one hand servo-unit inner chamber and atmosphere are separated; And when sliding, still plays the servo-unit valve body excellent sealing effect above that; On the other hand the servo-unit valve body is played a supporting role, keep the stability of valve body motion.
The technical scheme of the utility model is: the utility model has disclosed a kind of valve body guiding sealing gland assembly, is made up of full rubber material, comprises the oil resevoir of circumferencial direction and the supporting seat of circumferencial direction.
According to an embodiment of the valve body of the utility model guiding sealing gland assembly, the quantity of said oil resevoir is two.
According to an embodiment of the valve body of the utility model guiding sealing gland assembly, said valve body guiding sealing gland assembly is installed in the vacuum booster, supports the servo-unit valve body and also stablizes the slip of said servo-unit valve body in the servo-unit inner chamber.
Embodiment according to the valve body of the utility model guiding sealing gland assembly; Said valve body guiding sealing gland assembly separates said servo-unit inner chamber and ambient atmosphere through the oil sealing effect of the grease stored in the said oil resevoir, and plays the oil sealing effect in the said servo-unit valve body process of on said servo-unit inner chamber, sliding.
The utility model has disclosed a kind of vacuum booster that comprises valve body guiding sealing gland assembly; Comprise front case, rear housing, servo-unit valve body, epithelium, epithelium supporting plate; Also comprise valve body guiding sealing gland assembly; Said valve body guiding sealing gland assembled is on said rear housing, and said valve body guiding sealing gland assembly is made up of full rubber material, comprises the oil resevoir of circumferencial direction and the supporting seat of circumferencial direction.
According to comprising of the utility model the embodiment of vacuum booster of valve body guiding sealing gland assembly, the quantity of said oil resevoir is two.
According to comprising of the utility model the embodiment of vacuum booster of valve body guiding sealing gland assembly, said valve body guiding sealing gland assembly supports the servo-unit valve body and also stablizes the slip of said servo-unit valve body in the servo-unit inner chamber.
According to comprising of the utility model the embodiment of vacuum booster of valve body guiding sealing gland assembly; Said valve body guiding sealing gland assembly separates said servo-unit inner chamber and ambient atmosphere through the oil sealing effect of the grease stored in the said oil resevoir, and plays the oil sealing effect in the said servo-unit valve body process of on said servo-unit inner chamber, sliding.
The utility model contrast prior art has following beneficial effect: the structure of the valve body guiding sealing gland assembly of the utility model is to be made up of full rubber material, and comprises the oil resevoir of circumferencial direction and the supporting seat of circumferencial direction.In vacuum booster, this rubber sealing gland completely cuts off exocoel air in the servo-unit, and the control valve body of servo-unit is play the guiding role.It act as as follows: servo-unit inner chamber and atmosphere are separated, and the servo-unit valve body still plays the excellent sealing effect above that when sliding; The servo-unit valve body is played a supporting role, keep the stability of valve body motion.The valve body guiding sealing gland characteristics of the utility model are: full rubber, be not with metallic framework; Have oil resevoir; Have than the large tracts of land supporting seat.Its advantage is: 1. simple in structure, cost of parts is low; 2. there is not metallic framework, easily assembling; 3. valve body is provided the support of sufficient intensity, and sealing is reliable.
Description of drawings
Fig. 1 shows a kind of scheme drawing of implementing structure of traditional valve body guiding sealing gland assembly.
Fig. 2 shows the scheme drawing of the another kind enforcement structure of traditional valve body guiding sealing gland assembly.
Fig. 3 A and Fig. 3 B show the integrally-built scheme drawing of embodiment of the valve body guiding sealing gland assembly of the utility model.
Fig. 4 shows the schematic appearance of embodiment of the valve body guiding sealing gland assembly of the utility model.
Fig. 5 shows the local refinement scheme drawing of embodiment of the valve body guiding sealing gland assembly of the utility model.
Fig. 6 shows the scheme of installation of embodiment of the valve body guiding sealing gland assembly of the utility model.
Fig. 7 shows the overall schematic in vacuum booster of embodiment of the valve body guiding sealing gland assembly of the utility model.
Fig. 8 has shown comprising of the utility model integral structure scheme drawing of embodiment of vacuum booster of valve body guiding sealing gland assembly.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further description.
The embodiment of valve body guiding sealing gland assembly
Fig. 3 A and Fig. 3 B show the integral structure of the valve body guiding sealing gland assembly of the utility model, and Fig. 4 shows the face shaping of this embodiment.Fig. 5 shows the concrete structure that shows present embodiment from the angle of local refinement.Please be simultaneously referring to above-mentioned accompanying drawing, the valve body of present embodiment guiding sealing gland assembly 3 is made up of full rubber material, comprises the oil resevoir 30 of circumferencial direction and the supporting seat 31 of circumferencial direction.What the quantity of oil resevoir 30 was preferable is designed to two, and can guarantee has grease always in the grease sealing gland.
Fig. 6 shows the installation of embodiment of the valve body guiding sealing gland assembly 3 of the utility model, and Fig. 7 shows the position of valve body guiding sealing gland assembly 3 in vacuum booster of present embodiment.Please be simultaneously referring to Fig. 6 and Fig. 7; Valve body guiding sealing gland assembly 3 is installed in the vacuum booster 4; Structure design through supporting seat 31 supports servo-unit valve body 40 and stablizes the slip of servo-unit valve body 40 in servo-unit inner chamber 41; After 3 assemblings of valve body guiding sealing gland assembly, rubber deformation, it is obvious that the supporting role of supporting seat 31 becomes.
Valve body guiding sealing gland assembly 3 separates servo-unit inner chamber 41 and ambient atmosphere through the oil sealing effect of the grease of storage in the oil resevoir 30, and still plays the oil sealing effect in servo-unit valve body 40 process of on servo-unit inner chamber 41, sliding.
The embodiment that has comprised the vacuum booster of valve body guiding sealing gland assembly
Fig. 8 has shown comprising of the utility model integral structure of embodiment of vacuum booster of valve body guiding sealing gland assembly.See also Fig. 8, the vacuum booster 5 of present embodiment comprises front case 50, rear housing 51, servo-unit valve body 52, epithelium 53, epithelium supporting plate 54 and valve body guiding sealing gland assembly 3, and valve body guiding sealing gland assembly 3 is assemblied on the rear housing 51.Dust boot 55 is enclosed within on the servo-unit valve body 52.
The valve body of present embodiment guiding sealing gland assembly 3 is made up of full rubber material, comprises the oil resevoir 30 of circumferencial direction and the supporting seat 31 of circumferencial direction.What the quantity of oil resevoir 30 was preferable is designed to two, and can guarantee has grease always in the grease sealing gland.
Valve body guiding sealing gland assembly 3 supports servo-unit valve body 40 and stablizes the slip of servo-unit valve body 52 in the servo-unit inner chamber through the structure design of supporting seat 31, after 3 assemblings of valve body guiding sealing gland assembly, and rubber deformation, it is obvious that the supporting role of supporting seat 31 becomes.
Valve body guiding sealing gland assembly 3 separates servo-unit inner chamber and ambient atmosphere through the oil sealing effect of the grease of storage in the oil resevoir 30, and still plays the oil sealing effect in servo-unit valve body 52 process of on the servo-unit inner chamber, sliding.
The foregoing description provides to those of ordinary skills and realizes or use the utility model; Those of ordinary skills can be under the situation of the invention thought that does not break away from the utility model; The foregoing description is made various modifications or variation; Thereby the protection domain of the utility model do not limit by the foregoing description, and should be the maximum range that meets the inventive features that claims mention.
Claims (8)
1. a valve body guiding sealing gland assembly is characterized in that, is made up of full rubber material, comprises the oil resevoir of circumferencial direction and the supporting seat of circumferencial direction.
2. valve body guiding sealing gland assembly according to claim 1 is characterized in that the quantity of said oil resevoir is two.
3. valve body guiding sealing gland assembly according to claim 1 is characterized in that, said valve body guiding sealing gland assembly is installed in the vacuum booster, supports the servo-unit valve body and stablizes the slip of said servo-unit valve body in the servo-unit inner chamber.
4. valve body guiding sealing gland assembly according to claim 3; It is characterized in that; Said valve body guiding sealing gland assembly separates said servo-unit inner chamber and ambient atmosphere through the oil sealing effect of the grease stored in the said oil resevoir, and plays the oil sealing effect in the said servo-unit valve body process of on said servo-unit inner chamber, sliding.
5. vacuum booster that has comprised valve body guiding sealing gland assembly; Comprise front case, rear housing, servo-unit valve body, epithelium, epithelium supporting plate; It is characterized in that, also comprise valve body guiding sealing gland assembly, said valve body guiding sealing gland assembled is on said rear housing; Said valve body guiding sealing gland assembly is made up of full rubber material, comprises the oil resevoir of circumferencial direction and the supporting seat of circumferencial direction.
6. the vacuum booster that comprises valve body guiding sealing gland assembly according to claim 1 is characterized in that the quantity of said oil resevoir is two.
7. the vacuum booster that comprises valve body guiding sealing gland assembly according to claim 1 is characterized in that said valve body guiding sealing gland assembly supports the servo-unit valve body and stablizes the slip of said servo-unit valve body in the servo-unit inner chamber.
8. the vacuum booster that comprises valve body guiding sealing gland assembly according to claim 3; It is characterized in that; Said valve body guiding sealing gland assembly separates said servo-unit inner chamber and ambient atmosphere through the oil sealing effect of the grease stored in the said oil resevoir, and plays the oil sealing effect in the said servo-unit valve body process of on said servo-unit inner chamber, sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202998300U CN202243434U (en) | 2011-08-17 | 2011-08-17 | Valve guiding air seal component and vacuum booster comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202998300U CN202243434U (en) | 2011-08-17 | 2011-08-17 | Valve guiding air seal component and vacuum booster comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202243434U true CN202243434U (en) | 2012-05-30 |
Family
ID=46104721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202998300U Expired - Lifetime CN202243434U (en) | 2011-08-17 | 2011-08-17 | Valve guiding air seal component and vacuum booster comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202243434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520607A (en) * | 2017-08-18 | 2017-12-29 | 上海汽车制动系统有限公司 | A kind of guiding air seal automatic assembling lubricates detection device |
-
2011
- 2011-08-17 CN CN2011202998300U patent/CN202243434U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520607A (en) * | 2017-08-18 | 2017-12-29 | 上海汽车制动系统有限公司 | A kind of guiding air seal automatic assembling lubricates detection device |
| CN107520607B (en) * | 2017-08-18 | 2023-09-22 | 上海汽车制动系统有限公司 | Lubrication detection equipment for guide gas seal automatic assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |