CN207750408U - A kind of clutch booster shift control valve - Google Patents
A kind of clutch booster shift control valve Download PDFInfo
- Publication number
- CN207750408U CN207750408U CN201820085778.0U CN201820085778U CN207750408U CN 207750408 U CN207750408 U CN 207750408U CN 201820085778 U CN201820085778 U CN 201820085778U CN 207750408 U CN207750408 U CN 207750408U
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- China
- Prior art keywords
- valve body
- venthole
- sealing ring
- clutch booster
- group
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Abstract
The utility model discloses a kind of clutch booster shift control valves, including valve body, body base is arranged stop collar, valve body outer gap is connected with clutch booster shell, stop collar extending portion is stretched between clutch booster shell and valve body, extending portion is connect with clutch booster housing seal, and gap is equipped between extending portion and valve body；The first sealing ring and the second sealing ring are respectively arranged on valve body is circumferential from bottom to front and the realization of clutch booster shell is partially sealed；Four groups of ventholes for leading to clutch booster shell are radially provided on valve body, wherein, first group of venthole and second group of venthole are set between body base and the first sealing ring, third group venthole is set between the first sealing ring and the second sealing ring, and the 4th group of venthole is set to the second sealing ring front；Second sealing ring front end valve body is connected to control valve air inlet with the gap of clutch booster shell, and control valve air inlet is connected to control valve venthole.The utility model can realize automobile crash change of speed.
Description
Technical field
The utility model is related to a kind of power assisting devices of automobile clutch, shift gears and control more particularly to a kind of clutch booster
Valve processed.
Background technology
The existing clutch booster with shift control valve of the art at present, when the big piston motion of clutch booster
When pushing forward, the interlocking lever of shift control valve is driven to travel forward, and then the piston body movement in control valve of shifting gears, to real
Now effortlessly power-assisted is shifted gears.But big piston is caused pulling rate before university's plug by interlocking lever and the pulling force backward of respective pistons body
Degree is slower, does not meet the requirement of fast power-saving.
Therefore those skilled in the art are dedicated to developing a kind of clutch power-assisted at low cost, simple in structure playing power-assisted
Device shift control valve.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of costs
The clutch booster shift control valve low, simple in structure for playing power-assisted.
To achieve the above object, the utility model provides a kind of clutch booster shift control valve, including valve body, described
Body base is arranged with stop collar, and the valve body outer gap is connected with the clutch booster shell, and the stop collar stretches into
Portion stretches between the clutch booster shell and valve body, and the extending portion is connect with the clutch booster housing seal, institute
It states and is equipped with gap between extending portion and the valve body；The first sealing ring is respectively arranged with from bottom to front on the valve body is circumferential
It is partially sealed with the second sealing ring and clutch booster shell realization；Radially be provided on the valve body four groups lead to it is described
The venthole of clutch booster shell, wherein first group of venthole and second group of venthole are set to the body base and institute
Between stating the first sealing ring, third group venthole is set between first sealing ring and the second sealing ring, the 4th group of ventilation
Hole is set to second sealing ring front；The sky of valve body and the clutch booster shell described in second sealing ring front end
Gap is connected to control valve air inlet, and the control valve air inlet is connected to the control valve venthole.
Preferably, the piston body bottom of the valve inner setting is stepped, the piston body is located at the valve body bottom
When portion, first group of venthole is connected to the upper space of piston body bottom ladder.
Preferably, the piston body mid diameter is less than the diameter at both ends, covered respectively in the circumferential direction of the piston body both ends
Equipped with third sealing ring and the 4th Mi Quan, small power-assisted chamber, the work are formed between appearance and the valve body in the middle part of the piston body
When cock body is located at the body base, second group of venthole is connected to the small power-assisted chamber with third group venthole, and described
Four groups of ventholes are located at the piston body front end；When the piston body is located at the body top, the third group venthole and
4th group of venthole is connected to the small power-assisted chamber.
Preferably, the control valve venthole is provided through outside the clutch booster shell connection and the valve body
Channel, minimum distance of the channel away from the body base be more than first sealing ring away from the farthest of the body base
Distance, and maximum distance of the channel away from the body base is less than second sealing ring away from the nearest of the body base
Distance.
Preferably, the shift master cylinder in the valve body connects clutch booster exhaust outlet.
Preferably, the piston body is internally provided with inner groovy, the 4th sealing ring is installed in the inner groovy, described
It is arranged with interlocking lever in four sealing rings；
The interlocking lever is arranged with spring, and the spring bottom is arranged with plain cushion in the interlocking lever periphery.
Preferably, the valve body front end is arranged with washer in the interlocking lever periphery.
The utility model has the beneficial effects that：The utility model provides the effect of thrust power-assisted to clutch booster, makes clutch
The push rod of booster more rapidly stretches out.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific implementation mode of the utility model.
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is structural schematic diagram when piston body is located at body top in one specific implementation mode of the utility model.
Fig. 4 is structural schematic diagram when piston body is located at body base in one specific implementation mode of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：In the present embodiment, front refers to clutch
Booster push rod direction of propulsion, on the contrary it is bottom.
As shown in Figures 1 to 4, a kind of clutch booster shift control valve, including valve body 46,46 bottom of valve body are arranged limited
Position set 48,46 outer gap of valve body is connected with clutch booster shell 101, and 48 extending portion 48a of stop collar stretches into clutch booster
Between shell 101 and valve body 46, extending portion 48a and clutch booster shell 101 are tightly connected, extending portion 48a and valve body 46 it
Between be equipped with gap.Valve body 46 it is circumferential it is upper be respectively arranged with from bottom to front the first sealing ring 51a and the second sealing ring 51b and from
Conjunction booster shell 101 is realized partially sealed.Four groups of ventilations for leading to clutch booster shell 101 are radially provided on valve body 46
Hole, wherein first group of venthole 201 and second group of venthole 202 are set between 46 bottom of valve body and the first sealing ring 51a,
Third group venthole 203 is set between the first sealing ring 51a and the second sealing ring 51b, and the 4th group of venthole 204 is set to
Two fronts sealing ring 51b.Second front ends sealing ring 51b valve body 46 be connected to the gap of clutch booster shell 101 control valve into
Gas port 301, control valve air inlet 301 are connected to control valve venthole 701.
52 bottom of piston body that 46 inside of valve body is arranged is stepped, when piston body 52 is located at 46 bottom of valve body, first group
Venthole 201 is connected to the upper space of 52 bottom ladder of piston body.
52 mid diameter D1 of piston body is less than the diameter D2 at both ends, and third is arranged with respectively in 52 both ends circumferential direction of piston body
Sealing ring 50 and the 4th Mi Quan, form small power-assisted chamber 801 between 52 middle part appearance of piston body and valve body 46, piston body 52 is located at valve
When 46 bottom of body, second group of venthole 202 is connected to small power-assisted chamber 801, the 4th group of venthole 204 with third group venthole 203
In 52 front end of piston body.When piston body 52 is located at 46 top of valve body, third group venthole 203 is connected to the 4th group of venthole 204
Small power-assisted chamber 801.
Control valve venthole 701 is provided through the connection of clutch booster shell 101 and the channel 302 outside valve body 46,
Minimum distance L1 of the channel 302 away from 46 bottom of valve body is more than maximum distance L2s of the first sealing ring 51a away from 46 bottom of valve body, and logical
Maximum distance L3 of the road 302 away from 46 bottom of valve body is less than minimum distance L4s of the second sealing ring 51b away from 46 bottom of valve body.
Shift master cylinder 601 in valve body 46 connects clutch booster exhaust outlet 501.
Piston body 52 is internally provided with inner groovy, and the 4th sealing ring 53,53 inner sleeve of the 4th sealing ring are equipped in inner groovy
Equipped with interlocking lever 60, interlocking lever 60 is arranged with spring 55, and 55 bottom of spring is arranged with plain cushion 54, valve body 46 in 60 periphery of interlocking lever
Front end is arranged with washer 59 in 60 periphery of interlocking lever.It ensure that the leakproofness and durability of the utility model entirety.
When utility model works, a distance is pushed ahead in clutch booster（Setpoint distance）Afterwards, interlocking lever ability band
Piston body 52 is forward（It does not work less than setpoint distance the utility model）, at this point, the compressed air of control valve air inlet 301 is logical
Cross control valve venthole 701, channel 302, the small power-assisted chamber 801 of the entrance of third group venthole 203, the compression in small power-assisted chamber 801
Air enters 601 bottoms of shift master cylinder through second group of venthole, 202, first groups of ventholes 201 again, because 52 bottom of piston body
Stepped, upper space is simultaneously connected to first group of venthole 201, and compressed air forms thrust to 52 bottom of piston body, is accelerated
The unlatching of control valve can realize crash change of speed.After clutch booster return, shift control valve is closed, and is kept out in master cylinder
Compressed air be discharged through open clutch booster exhaust outlet 501.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (7)
- The control valve 1. a kind of clutch booster is shifted gears, it is characterized in that：Including valve body（46）, the valve body（46）Bottom is arranged limited Position set（48）, the valve body（46）Outer gap is connected with the clutch booster shell（101）, the stop collar（48）It stretches into Portion（48a）Stretch into the clutch booster shell（101）With valve body（46）Between, the extending portion（48a）It is helped with the clutch Power device shell（101）It is tightly connected, the extending portion（48a）With the valve body（46）Between be equipped with gap；The valve body（46） The first sealing ring is respectively arranged with from bottom to front on circumferential（51a）With the second sealing ring（51b）With the clutch booster Shell（101）It realizes partially sealed；The valve body（46）Upper radial direction is provided with four groups and leads to the clutch booster shell（101） Venthole, wherein first group of venthole（201）With second group of venthole（202）It is set to the valve body（46）Bottom and institute State the first sealing ring（51a）Between, third group venthole（203）It is set to first sealing ring（51a）With the second sealing ring （51b）Between, the 4th group of venthole（204）It is set to second sealing ring（51b）Front；Second sealing ring（51b） Valve body described in front end（46）With the clutch booster shell（101）Gap be connected to control valve air inlet（301）, the control Valve air inlet（301）It is connected to the control valve venthole（701）.
- The control valve 2. clutch booster as described in claim 1 is shifted gears, it is characterized in that：The valve body（46）The work of inside setting Cock body（52）Bottom is stepped, the piston body（52）Positioned at the valve body（46）When bottom, first group of venthole （201）It is connected to the piston body（52）The upper space of bottom ladder.
- The control valve 3. clutch booster as claimed in claim 2 is shifted gears, it is characterized in that：The piston body（52）Mid diameter （D1）Less than the diameter at both ends（D2）, the piston body（52）Third sealing ring is arranged in the circumferential direction of both ends respectively（50）With Four Mi Quan, the piston body（52）Middle part appearance and the valve body（46）Between form small power-assisted chamber（801）, the piston body （52）Positioned at the valve body（46）When bottom, second group of venthole（202）With third group venthole（203）It is connected to described small Power-assisted chamber（801）, the 4th group of venthole（204）Positioned at the piston body（52）Front end；The piston body（52）Positioned at institute State valve body（46）When top, the third group venthole（203）With the 4th group of venthole（204）It is connected to the small power-assisted chamber （801）.
- The control valve 4. clutch booster as claimed in claim 3 is shifted gears, it is characterized in that：The control valve venthole（701）If It is equipped with across the clutch booster shell（101）Connection and the valve body（46）External channel（302）, the channel （302）Away from the valve body（46）The minimum distance of bottom（L1）More than first sealing ring（51a）Away from the valve body（46）Bottom The maximum distance in portion（L2）, and the channel（302）Away from the valve body（46）The maximum distance of bottom（L3）Less than described second Sealing ring（51b）Away from the valve body（46）The minimum distance of bottom（L4）.
- The control valve 5. clutch booster as claimed in claim 4 is shifted gears, it is characterized in that：The valve body（46）Interior shift control Cylinder（601）Connect clutch booster exhaust outlet（501）.
- The control valve 6. clutch booster as claimed in claim 5 is shifted gears, it is characterized in that：The piston body（52）It is internally provided with Inner groovy is equipped with the 4th sealing ring in the inner groovy（53）, the 4th sealing ring（53）Inside it is arranged with interlocking lever（60）；The interlocking lever（60）It is arranged with spring（55）, the spring（55）Bottom is in the interlocking lever（60）Periphery is arranged with flat Pad（54）.
- The control valve 7. clutch booster as claimed in claim 6 is shifted gears, it is characterized in that：The valve body（46）Front end is in the company Lever（60）Periphery is arranged with washer（59）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085778.0U CN207750408U (en) | 2018-01-18 | 2018-01-18 | A kind of clutch booster shift control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820085778.0U CN207750408U (en) | 2018-01-18 | 2018-01-18 | A kind of clutch booster shift control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750408U true CN207750408U (en) | 2018-08-21 |
Family
ID=63153404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820085778.0U Active CN207750408U (en) | 2018-01-18 | 2018-01-18 | A kind of clutch booster shift control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750408U (en) |
-
2018
- 2018-01-18 CN CN201820085778.0U patent/CN207750408U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |