CN205956257U - Clutch booster - Google Patents
Clutch booster Download PDFInfo
- Publication number
- CN205956257U CN205956257U CN201620855950.7U CN201620855950U CN205956257U CN 205956257 U CN205956257 U CN 205956257U CN 201620855950 U CN201620855950 U CN 201620855950U CN 205956257 U CN205956257 U CN 205956257U
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- CN
- China
- Prior art keywords
- positioning seat
- clutch booster
- atmospheric pressure
- adjacent
- piston
- Prior art date
- 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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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model relates to a clutch booster, including hydraulic pressure chamber and atmospheric pressure chamber, the atmospheric pressure intracavity sets up the piston, the piston axle is connected to piston one side, the piston axle inserts the hydraulic pressure intracavity the connection position in atmospheric pressure chamber and hydraulic pressure chamber sets up smart location structure, smart location structure is the positioning seat, the positioning seat includes interconnect's drum portion and ring portion, the axial of drum portion does the axial of positioning seat, the axial cross section of positioning seat appears for L or type L shape, the part in hydraulic pressure chamber and atmospheric pressure chamber is fixed a position simultaneously to the positioning seat. The utility model discloses a positioning seat connection structure has solved two and two above spare parts unstable drawback of connection concentricity when the assembly in hydraulic pressure chamber and atmospheric pressure chamber. Reduced and connected the position sealing member and because of the concentricity harmfully results in the latency of inordinate wear, promoted assembly efficiency and the life of assembly product.
Description
Technical field
This utility model belongs to clutch control field, is related to a kind of clutch booster.
Background technology
At present, in the clutch operating system of heavy-duty car, motor buses and engineering machinery, due to controlled clutch pedal
Exert oneself heavy it is impossible to easily cut off power in good time, easily shift gears, installation clutch typically between clutch and clutch master cylinder
Device booster, makes the compressed gas source of vehicle provide power-assisted for clutch.As patent 201310238393.5 discloses a kind of clutch
Device booster, including rear end and front end be respectively provided with air inlet and air vent pneumatic cylinder, have inlet and with pneumatic cylinder after
Hold the hydraulic cylinder connecting, be located in pneumatic cylinder and two ends are connected to push rod and the work of the piston rod in hydraulic cylinder is stretched in rear end
Fill in, be arranged at the intake and exhaust control valve of hydraulic cylinder side wall；Between piston one end and pneumatic cylinder, there is back-moving spring；Described clutch
Device booster also includes friction disc wear measurement apparatus.But in the clutch booster that existing pneumatic cylinder is connected with hydraulic cylinder,
Occur in that pneumatic cylinder and hydraulic cylinder part be connected in assembling concentricity unstable the drawbacks of, and connecting portion sealing member because
The bad latency leading to inordinate wear of concentricity, reduces efficiency of assembling and the service life of assembly product.
Utility model content
In order to overcome the deficiencies in the prior art, this utility model provides a kind of clutch booster, and this product assembly uses
Life-span is higher, performance is more superior, quality is more reliable.
This utility model provides following technical scheme：
A kind of clutch booster, including hydraulic cavities and atmospheric pressure cavity, described air pressure intracavity arranges piston, described piston side
Connect piston shaft, described piston shaft inserts described hydraulic pressure intracavity, fixed in the connecting portion setting essence of described atmospheric pressure cavity and hydraulic cavities
Bit architecture, described fine positioning structure is positioning seat, and described positioning seat includes interconnective cylindrical portion and annular portion, described cylinder
The axial direction in portion is the axial direction of described positioning seat, and the axial cross section of described positioning seat is L-shaped or L like shape, and described positioning seat is simultaneously fixed
Position hydraulic cavities and the part of atmospheric pressure cavity.
In such scheme preferably, the space of the cylindrical portion of described positioning seat and annular portion formation arranges described air pressure
The cavity wall in chamber, the cavity wall of described atmospheric pressure cavity is simultaneously adjacent or adjacent with described cylindrical portion and described annular portion.
In any of the above-described scheme preferably, the end of the annular portion of described positioning seat and the cavity wall of described hydraulic cavities
Adjacent or adjacent.
In any of the above-described scheme preferably, the cavity wall of described hydraulic cavities is also adjacent with the cavity wall of described atmospheric pressure cavity or phase
Adjacent.
In any of the above-described scheme preferably, described annular portion and the space setting of the cavity wall formation of described hydraulic cavities are protected
Shield part.
In any of the above-described scheme preferably, described protection part axial cross section be two-stage step, its one end with
Described annular portion is adjacent or adjacent.
In any of the above-described scheme preferably, the sky that described protection part, described annular portion and described piston shaft are formed
Between the sealing member one of described atmospheric pressure cavity is set.
In any of the above-described scheme preferably, the described protection other end of part, the cavity wall of described hydraulic cavities and described
The space that piston shaft is formed arranges the sealing member two of described hydraulic cavities.
In any of the above-described scheme preferably, described positioning seat is non-metallic material.
In any of the above-described scheme preferably, described clutch booster include self-adjustable clutch booster with non-from
Mode clutch booster.
In any of the above-described scheme preferably, in described self-adjustable clutch booster, described piston and described piston
Spring is set between axle.
In any of the above-described scheme preferably, in described non-self-adjustable clutch booster, described piston is away from described
The side setting push rod of piston shaft, arranges spring between described piston and described push rod.
In any of the above-described scheme preferably, described clutch booster also includes oil-in, described oil-in and institute
State hydraulic chamber into communication.
In any of the above-described scheme preferably, described clutch booster also includes controlling piston, described control piston
Control opening or closing of exhaust valve.
In any of the above-described scheme preferably, described clutch booster also includes valve, described valve and described control
Piston processed linkage, the opening or closing of described Valve controlling inlet valve.
In any of the above-described scheme preferably, the cavity wall of described atmospheric pressure cavity is metal material.
In any of the above-described scheme preferably, the cavity wall of described hydraulic cavities is metal material.
In any of the above-described scheme preferably, the cavity wall of described hydraulic cavities and described positioning seat, described protection part and
The face of sealing member two contact is in step-like.
This utility model has carried out design optimization on the basis of conventional attachment structure, solves former employing tool locating dress
Join, position parts connect after concentricity unstable the drawbacks of, be effectively controlled positioning parts between concentricity and
The potential failure factor of eccentric wear.So that product assembly service life is higher, performance is more superior, quality is more reliable.It is applied to liquid
Pressure chamber and two and the connection of two or more parts of atmospheric pressure cavity.
This utility model adopts positioning seat attachment structure, solves hydraulic cavities and two and two or more zero of atmospheric pressure cavity
Part assembling when connect concentricity unstable the drawbacks of.Decrease connecting portion sealing member and lead to inordinate wear because concentricity is bad
Latency, improve efficiency of assembling and the service life of assembly product.
Brief description
Fig. 1 is a kind of structural representation of a preferred embodiment of clutch booster of this utility model；
Fig. 2 is the enlarged drawing of fine positioning structure in Fig. 1；
Fig. 3 is the partial enlarged drawing of the clutch booster being related to valve e part in Fig. 1；
Fig. 4 is a kind of structural representation of another preferred embodiment of clutch booster of this utility model.
Specific embodiment
In order to further appreciate that technical characteristic of the present utility model, with reference to specific embodiment, this utility model is carried out
It is set forth in.Embodiment only has exemplary effect to this utility model, and does not have any restricted effect, ability
The modification of any unsubstantiality that the technical staff in domain makes on the basis of this utility model, all should belong to of the present utility model
Protection domain.
Embodiment 1：
As Figure 1-3, a kind of clutch booster, lives including setting in hydraulic cavities B and atmospheric pressure cavity A, described atmospheric pressure cavity A
Plug g, described piston g side connects piston shaft b, and described piston shaft b inserts in described hydraulic cavities B, in described atmospheric pressure cavity A and hydraulic pressure
The connecting portion setting fine positioning structure of chamber B, described fine positioning structure is positioning seat 11, and described positioning seat 11 includes being connected with each other
Cylindrical portion and annular portion, the axial direction of described cylindrical portion is the axial direction of described positioning seat 11, and the axial cross section of described positioning seat is L
Shape or L like shape, described positioning seat 11 positions the part of hydraulic cavities B and atmospheric pressure cavity A simultaneously.
In the present embodiment, the space of the cylindrical portion of described positioning seat 11 and annular portion formation arranges described atmospheric pressure cavity A's
Cavity wall, the cavity wall 12 of described atmospheric pressure cavity A is simultaneously adjacent or adjacent with described cylindrical portion and described annular portion.
In the present embodiment, the cavity wall 16 of the end of annular portion of described positioning seat 11 and described hydraulic cavities B adjacent or
Adjacent.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B is also adjacent or adjacent with the cavity wall 12 of described atmospheric pressure cavity A.
In the present embodiment, part 14 is protected in described annular portion and the space setting of cavity wall 16 formation of described hydraulic cavities B.
In the present embodiment, the axial cross section of described protection part 14 is two-stage step, its one end and described annular portion
Adjacent or adjacent.
In the present embodiment, the space setting that described protection part 14, described annular portion and described piston shaft b are formed is described
The sealing member 1 of atmospheric pressure cavity.
In the present embodiment, the other end of described protection part 14, the cavity wall 16 of described hydraulic cavities B and described piston shaft b
The space being formed arranges the sealing member 2 15 of described hydraulic cavities.
In the present embodiment, described positioning seat 11 is non-metallic material.
In the present embodiment, described clutch booster is self-adjustable clutch booster.
In the present embodiment, in described self-adjustable clutch booster, arrange between described piston g and described piston shaft b
Spring.
In the present embodiment, described clutch booster also includes oil-in 4, and described oil-in 4 is with described hydraulic cavities B even
Logical.
In the present embodiment, described clutch booster also includes controlling piston c, described control piston c to control exhaust valve
Open or close.
In the present embodiment, described clutch booster also includes valve e, described valve e and described control piston c connection
Dynamic, described valve e controls opening or closing of inlet valve.
In the present embodiment, the cavity wall 12 of described atmospheric pressure cavity A is metal material.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B is metal material.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B and described positioning seat 11, described protection part 14 and sealing member
The face of 2 15 contacts is in step-like.
The clutch booster of the present embodiment, in clutch separation power-assisted, master cylinder pressure oil is from oil-in 4 input hydraulic pressure
Chamber B, acts on piston shaft b, makes piston shaft b generation thrust to the left, and the action of hydraulic force of hydraulic cavities B is controlling piston simultaneously
On c, make control piston c to moving down, close exhaust valve, so that valve e is moved down, open inlet valve, compressed air is oral 1, valve e stream
Enter atmospheric pressure cavity A.Make piston g to moving to left, effect lower piston g makes push rod a toward moving to left while atmospheric pressure and hydraulic coupling, realize from
Clutch separation power-assisted.
When releasing clutch separation power-assisted, loosen pedal, oil-in 4 hydraulic pressure declines.In return spring d and atmospheric pressure
Make under effect to move on piston c, close inlet valve, open exhaust valve, compressed air is from air vent 3 row to air.Simultaneously in clutch
In the presence of device platen returning place force, push rod a returns to initial makeup location piston g.
Embodiment 2：
As shown in figure 4, a kind of clutch booster, including setting piston in hydraulic cavities B and atmospheric pressure cavity A, described atmospheric pressure cavity A
G, described piston g side connects piston shaft b, and described piston shaft b inserts in described hydraulic cavities B, in described atmospheric pressure cavity A and hydraulic cavities
The connecting portion setting fine positioning structure of B, described fine positioning structure is positioning seat 11, and described positioning seat 11 includes interconnective
Cylindrical portion and annular portion, the axial direction of described cylindrical portion is the axial direction of described positioning seat 11, and the axial cross section of described positioning seat is L-shaped
Or L like shape, described positioning seat 11 positions the part of hydraulic cavities B and atmospheric pressure cavity A simultaneously.
In the present embodiment, the space of the cylindrical portion of described positioning seat 11 and annular portion formation arranges described atmospheric pressure cavity A's
Cavity wall, the cavity wall 12 of described atmospheric pressure cavity A is simultaneously adjacent or adjacent with described cylindrical portion and described annular portion.
In the present embodiment, the cavity wall 16 of the end of annular portion of described positioning seat 11 and described hydraulic cavities B adjacent or
Adjacent.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B is also adjacent or adjacent with the cavity wall 12 of described atmospheric pressure cavity A.
In the present embodiment, part 14 is protected in described annular portion and the space setting of cavity wall 16 formation of described hydraulic cavities B.
In the present embodiment, the axial cross section of described protection part 14 is two-stage step, its one end and described annular portion
Adjacent or adjacent.
In the present embodiment, the space setting that described protection part 14, described annular portion and described piston shaft b are formed is described
The sealing member 1 of atmospheric pressure cavity.
In the present embodiment, the other end of described protection part 14, the cavity wall 16 of described hydraulic cavities B and described piston shaft b
The space being formed arranges the sealing member 2 15 of described hydraulic cavities.
In the present embodiment, described positioning seat 11 is non-metallic material.
In the present embodiment, described clutch booster is non-self-adjustable clutch booster.
In the present embodiment, in described self-adjustable clutch booster, arrange between described piston g and described piston shaft b
Spring.
In the present embodiment, in described non-self-adjustable clutch booster, described piston g is away from the one of described piston shaft b
Side arranges push rod a, arranges spring between described piston g and described push rod a.
In the present embodiment, described clutch booster also includes oil-in 4, and described oil-in 4 is with described hydraulic cavities B even
Logical.
In the present embodiment, described clutch booster also includes controlling piston c, described control piston c to control exhaust valve
Open or close.
In the present embodiment, described clutch booster also includes valve e, described valve e and described control piston c connection
Dynamic, described valve e controls opening or closing of inlet valve.
In the present embodiment, the cavity wall 12 of described atmospheric pressure cavity A is metal material.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B is metal material.
In the present embodiment, the cavity wall 16 of described hydraulic cavities B and described positioning seat 11, described protection part 14 and sealing member
The face of 2 15 contacts is in step-like.
The clutch booster of the present embodiment, during clutch separation power-assisted, master cylinder pressure oil is from oil-in 4 input hydraulic pressure chamber
B, acts on piston shaft b, makes piston shaft b generation thrust to the left, and the action of hydraulic force of hydraulic cavities B is controlling piston c simultaneously
On, make control piston c to moving down, close exhaust valve, so that valve e is moved down, open inlet valve, compressed air is oral 1, valve e stream
Enter atmospheric pressure cavity A.Make piston g to moving to left, effect lower piston g makes push rod a toward moving to left while atmospheric pressure and hydraulic coupling, realize from
Clutch separation power-assisted.
When releasing clutch separation power-assisted, loosen pedal, oil-in 4 hydraulic pressure declines.In return spring d and atmospheric pressure
Make under effect to move on piston c, close inlet valve, open exhaust valve, compressed air is from air vent 3 row to air.Simultaneously in clutch
In the presence of device platen returning place force, push rod a returns to initial makeup location piston g.
Embodiment 3
As Figure 1-3, a kind of clutch booster, lives including setting in hydraulic cavities B and atmospheric pressure cavity A, described atmospheric pressure cavity A
Plug g, described piston g side connects piston shaft b, and described piston shaft b inserts in described hydraulic cavities B, in described atmospheric pressure cavity A and hydraulic pressure
The connecting portion setting fine positioning structure of chamber B, described fine positioning structure is positioning seat 11, and described positioning seat 11 includes being connected with each other
Cylindrical portion and annular portion, the axial direction of described cylindrical portion is the axial direction of described positioning seat 11, and the axial cross section of described positioning seat is L
Shape or L like shape, described positioning seat 11 positions the part of hydraulic cavities B and atmospheric pressure cavity A simultaneously.
Further, the space of the cylindrical portion of described positioning seat 11 and annular portion formation arranges the cavity wall of described atmospheric pressure cavity A,
The cavity wall 12 of described atmospheric pressure cavity A is simultaneously adjacent or adjacent with described cylindrical portion and described annular portion.
Further, the end of annular portion of described positioning seat 11 and the cavity wall 16 of described hydraulic cavities B is adjacent or adjacent.
Further, the cavity wall 16 of described hydraulic cavities B is also adjacent or adjacent with the cavity wall 12 of described atmospheric pressure cavity A.
Further, part 14 is protected in described annular portion and the space setting of cavity wall 16 formation of described hydraulic cavities B.
Further, the axial cross section of described protection part 14 is two-stage step, and its one end is adjacent with described annular portion
Or it is adjacent.
Further, the space that described protection part 14, described annular portion and described piston shaft b are formed arranges described air pressure
The sealing member 1 in chamber.
Further, the other end of described protection part 14, the cavity wall 16 of described hydraulic cavities B and described piston shaft b are formed
Space arrange described hydraulic cavities sealing member 2 15.
Further, described positioning seat 11 is non-metallic material.
Further, described clutch booster is self-adjustable clutch booster.
Further, in described self-adjustable clutch booster, spring is set between described piston g and described piston shaft b.
Further, described clutch booster also includes oil-in 4, and described oil-in 4 is connected with described hydraulic cavities B.
Further, described clutch booster also includes controlling piston c, described control piston c to control beating of exhaust valve
Open or close and close.
Further, described clutch booster also includes valve e, described valve e and described control piston c linkage, institute
State valve e and control opening or closing of inlet valve.
Further, the cavity wall 12 of described atmospheric pressure cavity A is metal material.
Further, the cavity wall 16 of described hydraulic cavities B is metal material.
Further, the cavity wall 16 of described hydraulic cavities B and described positioning seat 11, described protection part 14 and sealing member 2 15
The face of contact is in step-like.
Claims (10)
1. a kind of clutch booster, including hydraulic cavities and atmospheric pressure cavity, described air pressure intracavity arranges piston, and described piston side is even
Connect piston shaft, described piston shaft insert described hydraulic pressure intracavity it is characterised in that：Connecting portion in described atmospheric pressure cavity and hydraulic cavities
Setting fine positioning structure, described fine positioning structure is positioning seat, and described positioning seat includes interconnective cylindrical portion and annular portion,
The axial direction of described cylindrical portion is the axial direction of described positioning seat, and the axial cross section of described positioning seat is L-shaped or L like shape, described positioning
Seat positions the part of hydraulic cavities and atmospheric pressure cavity simultaneously.
2. clutch booster according to claim 1 it is characterised in that：The cylindrical portion of described positioning seat and annular portion shape
The space becoming arranges the cavity wall of described atmospheric pressure cavity, and the cavity wall of described atmospheric pressure cavity is simultaneously adjacent with described cylindrical portion and described annular portion
Or it is adjacent.
3. clutch booster according to claim 2 it is characterised in that：The end of the annular portion of described positioning seat and institute
State hydraulic cavities cavity wall adjacent or adjacent.
4. clutch booster according to claim 3 it is characterised in that：The cavity wall of described hydraulic cavities also with described air pressure
The cavity wall in chamber is adjacent or adjacent.
5. clutch booster according to claim 3 it is characterised in that：Described annular portion and the cavity wall of described hydraulic cavities
The space setting protection part being formed.
6. clutch booster according to claim 5 it is characterised in that：The axial cross section of described protection part is two-stage
Step, its one end is adjacent with described annular portion or adjacent.
7. clutch booster according to claim 6 it is characterised in that：Described protection part, described annular portion and institute
The space stating piston shaft formation arranges the sealing member one of described atmospheric pressure cavity.
8. clutch booster according to claim 6 it is characterised in that：The other end of described protection part, described liquid
The space of the cavity wall in pressure chamber and the formation of described piston shaft arranges the sealing member two of described hydraulic cavities.
9. clutch booster according to any one of claim 1 to 8 it is characterised in that：Described positioning seat is non-gold
Belong to material.
10. clutch booster according to any one of claim 1 to 8 it is characterised in that：Described clutch booster
Including self-adjustable clutch booster and non-self-adjustable clutch booster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855950.7U CN205956257U (en) | 2016-08-09 | 2016-08-09 | Clutch booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855950.7U CN205956257U (en) | 2016-08-09 | 2016-08-09 | Clutch booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205956257U true CN205956257U (en) | 2017-02-15 |
Family
ID=57974251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620855950.7U Active CN205956257U (en) | 2016-08-09 | 2016-08-09 | Clutch booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205956257U (en) |
-
2016
- 2016-08-09 CN CN201620855950.7U patent/CN205956257U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |