CN201206604Y - Clutch assistor assembly for car - Google Patents
Clutch assistor assembly for car Download PDFInfo
- Publication number
- CN201206604Y CN201206604Y CNU2008200870512U CN200820087051U CN201206604Y CN 201206604 Y CN201206604 Y CN 201206604Y CN U2008200870512 U CNU2008200870512 U CN U2008200870512U CN 200820087051 U CN200820087051 U CN 200820087051U CN 201206604 Y CN201206604 Y CN 201206604Y
- Authority
- CN
- China
- Prior art keywords
- valve body
- servo
- push rod
- cylinder piston
- clutch booster
- 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.)
- Expired - Lifetime
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model discloses an automobile clutch booster assembly, which comprises a valve body, a boost cylinder, a boost cylinder piston and a push rod. One end of the push rod is positioned in the boost cylinder and connected with the boost cylinder piston, and the other end thereof is connected in the valve body in the penetrating manner. An oil seal guide device is arranged on the connection part between the valve body and the push rod. The oil seal guide device comprises a packing cup and a guide sleeve which are sleeved on the push rod; the guide sleeve leans against the valve body; the packing cup is connected with a stop collar; one side of the stop collar is propped against the packing cup; and the other end thereof leans against and fixes a circlip for hole on the valve body and used for stopping the packing cup and the guide sleeve. The utility model adopts the spacing sleeve to support the packing cup, so as to replace the traditional stop block and gasket, thereby resulting in simple assembly and reducing the cost of a product. The boost cylinder piston assembly is made of plastic, and fixed and connected with the push rod as a whole through injection moulding, thereby resulting in simple assembly, increasing the wear resistance of the boost cylinder piston and reducing the cost of the product.
Description
Technical field
The utility model relates to a kind of device of motor brake operating, particularly relates to a kind of automobile clutch booster assembly.
Background technique
The automobile clutch booster assembly is arranged in the hydraulic control mechanism, with Pneumatic braking system and the shared cover compression air source of other pneumatic equipment.When let slip the clutch, by air pressure assisted, increase the power that acts on the separation yoke, clutch separation power is increased, thereby alleviate driver pedal power.
Be illustrated in figure 4 as the structural representation of oil sealing guiding device in the existing clutch booster assembly, comprise leather cup 31 and guide sleeve 32, guide sleeve 32 props up valve body 1, and leather cup 31 props up 33 pairs of leather cups 31 of circlip for hole and 32 position-limiting actions of guide sleeve by limiting stopper 11 and pad 12; Owing to be to adopt limiting stopper 11 and pad 12 supporting leather cup 31, make the clutch booster assembly assemble inconvenience.Be illustrated in figure 2 as the linkage structure schematic representation of servo-cylinder piston 21 in the existing clutch booster assembly, servo-cylinder piston 21 materials adopt aluminium to make, servo-cylinder piston 21 need be connected push rod 3 by hexagon nut 13, spring washer 14 and O-ring seals 15, assemble also cumbersome, the anti-wear of aluminium can be poor, the servo-cylinder piston is fragile, and performance is unstable relatively simultaneously, and the cost of product is also than higher.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of automobile clutch booster assembly, can effectively solve existing clutch booster assembly owing to need to adopt limiting stopper and pad supporting leather cup, make the clutch booster assembly assemble inconvenient problem.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: a kind of automobile clutch booster assembly, comprise valve body, servo-cylinder, servo-cylinder piston and push rod, push rod one end is positioned at servo-cylinder and connects the servo-cylinder piston, the other end cross-under is in valve body, the joint of valve body and push rod is provided with the oil sealing guiding device, it is characterized in that: the oil sealing guiding device comprises leather cup and the guide sleeve of cross-under on push rod, guide sleeve props up valve body, leather cup connects stop collar, stop collar one side props up leather cup, and opposite side props up the circlip for hole that is fixed on the valve body and carries out spacing to leather cup and guide sleeve.
Further, stop collar is cylindric, simple in structure.
Further, stop collar is provided with outward extending rib in circlip for hole one side, and rib props up circlip for hole, rib is set can makes stop collar work more reliable.
Further, but the stop collar sidewall is provided with the through hole that fuel feeding liquid passes through, and guarantees flowing of fluid, increases the braking reliability.
Further, be provided with the twoport apron between guide sleeve and the valve body, fluid is played seal action.
Further, the servo-cylinder piston adopts plastics to make, and fixedly cross-under is in the servo-cylinder piston for push rod, and push rod and servo-cylinder piston are connected as a single entity.
Further, be provided with leather cup between servo-cylinder piston and the servo-cylinder, pressurized air is sealed.
Further, be provided with return spring between servo-cylinder piston and the valve body, the servo-cylinder piston can be returned to initial position by return spring after producing displacement.
The utility model is compared with existing clutch booster assembly structure owing to adopted technique scheme, adopts stop collar to support leather cup, has replaced traditional limiting stopper and pad, has simple and convenient assembly, has reduced the cost of product; Servo-cylinder piston assembly material adopts plastics to make in addition, fix with the push rod injection moulding and fuse, replaced traditional aluminum servo-cylinder piston and push rod to adopt the Placement of hexagon nut, spring washer, O-ring seals, make simple and convenient assembly, also strengthened simultaneously the wear resistance of servo-cylinder piston, improve the working life of product, performance is also stable, has also reduced the cost of product.The utility model is applicable to all kinds of passenger vehicles, medium and heavy lorry and special purpose vehicle.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of automobile clutch booster assembly of the utility model;
Fig. 2 is servo-cylinder piston linkage structure schematic representation in the existing clutch booster assembly;
Fig. 3 is a servo-cylinder piston linkage structure schematic representation in the utility model;
Fig. 4 is oil sealing guiding device structural representation in the existing clutch booster assembly;
Fig. 5 is an oil sealing guiding device structural representation in the utility model.
Embodiment
As Fig. 1, Fig. 3 and shown in Figure 5, be a kind of automobile clutch booster assembly of the utility model, comprise valve body 1, servo-cylinder 2, servo-cylinder piston 21 and push rod 3, be provided with leather cup 22 between servo-cylinder piston 21 and the servo-cylinder 2, pressurized air is sealed, be provided with return spring 23 between servo-cylinder piston 21 and the valve body 1, servo-cylinder piston 21 can be returned to initial position by return spring 23 after producing displacement, push rod 3 one ends are positioned at servo-cylinder 2 and connect servo-cylinder piston 21, push rod 3 ends are provided with fluting, servo-cylinder piston 21 adopts plastics to make, push rod 3 and 21 injection mouldings of servo-cylinder piston fixedly fuse, non-dismountable, replaced traditional aluminum servo-cylinder piston and push rod to adopt hexagon nut, spring washer, the Placement of O-ring seals makes simple and convenient assembly, also strengthened simultaneously the wear resistance of servo-cylinder piston, improve the working life of product, performance is also stable, has also reduced the cost of product.Push rod 3 the other end cross-under are in valve body 1, valve body 1 is provided with the oil sealing guiding device with the joint of push rod 3, the oil sealing guiding device comprises leather cup 31 and the guide sleeve 32 of cross-under on push rod 3, stop collar 36 is cylindric, stop collar 36 is provided with outward extending rib 37 in circlip for hole 33 1 sides, rib 37 props up circlip for hole 33, rib 37 is set can make stop collar 36 work more reliable, but stop collar 36 sidewalls are provided with the through hole 34 that fuel feeding liquid passes through, increased the braking reliability, be provided with twoport apron 35 between guide sleeve 32 and the valve body 1, guide sleeve 32 props up valve body 1 by twoport apron 35, leather cup 31 connects stop collar 36, stop collar 36 1 sides prop up leather cup 31, and opposite side props up 33 pairs of leather cups 31 of circlip for hole of being fixed on the valve body 1 and guide sleeve 32 and carries out spacingly, has replaced traditional limiting stopper and pad, have simple and convenient assembly, reduced the cost of product.
The utility model working procedure is as follows:
When let slip the clutch, the built-in upright oil pressure of braking overall pump cylinder body, and fluid is sent to the filler opening 4 of booster.Wherein a part of fluid oil cylinder piston 5 that pushes the work forward moves right, and push rod fork assembly 6 is connected with the clutch separation yoke, and the driving clutch release fork shaft is braked; A part of in addition fluid promotes relay piston assembly 8 by oil duct 7 and moves to right, thereby open valve 9, pressurized air is entered in the servo-cylinder 2, promoting servo-cylinder piston 21 moves to right, servo-cylinder piston 21 moves to right together by push rod 3 drive operating cylinder pistons 5, push rod fork assembly 6, thereby the power of clutch separation is increased, alleviated the pedaling force of clutch greatly, play the power-assisted effect.
Claims (8)
1, a kind of automobile clutch booster assembly, comprise valve body (1), servo-cylinder (2), servo-cylinder piston (21) and push rod (3), push rod (3) one ends are positioned at described servo-cylinder (2) and connect servo-cylinder piston (21), the other end cross-under is in described valve body (1), valve body (1) is provided with the oil sealing guiding device with the joint of described push rod (3), it is characterized in that: described oil sealing guiding device comprises leather cup (31) and the guide sleeve (32) of cross-under on described push rod (3), guide sleeve (32) props up described valve body (1), leather cup (31) connects stop collar (36), stop collar (36) one sides prop up leather cup (31), and opposite side props up the circlip for hole (33) that is fixed on the described valve body (1) and carries out spacing to described leather cup (31) and guide sleeve (32).
2, automobile clutch booster assembly according to claim 1 is characterized in that: described stop collar (36) is for cylindric.
3, automobile clutch booster assembly according to claim 1 and 2 is characterized in that: described stop collar (36) is provided with outward extending rib (37) in circlip for hole (33) one sides, and rib (37) props up described circlip for hole (33).
4, automobile clutch booster assembly according to claim 2 is characterized in that: described stop collar (36) but sidewall is provided with the through hole (34) that fuel feeding liquid passes through.
5, automobile clutch booster assembly according to claim 1 is characterized in that: be provided with twoport apron (35) between described guide sleeve (32) and the valve body (1).
6, automobile clutch booster assembly according to claim 1 is characterized in that: described servo-cylinder piston (21) adopts plastics to make, and push rod (3) fixedly cross-under is connected as a single entity in described servo-cylinder piston (21).
7, automobile clutch booster assembly according to claim 1 is characterized in that: be provided with leather cup (22) between described servo-cylinder piston (21) and the servo-cylinder (2).
8, automobile clutch booster assembly according to claim 1 is characterized in that: be provided with return spring (23) between described servo-cylinder piston (21) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200870512U CN201206604Y (en) | 2008-05-09 | 2008-05-09 | Clutch assistor assembly for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200870512U CN201206604Y (en) | 2008-05-09 | 2008-05-09 | Clutch assistor assembly for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201206604Y true CN201206604Y (en) | 2009-03-11 |
Family
ID=40465667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200870512U Expired - Lifetime CN201206604Y (en) | 2008-05-09 | 2008-05-09 | Clutch assistor assembly for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201206604Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635649A (en) * | 2012-04-24 | 2012-08-15 | 瑞立集团瑞安汽车零部件有限公司 | Internal respirable booster |
| CN102678785A (en) * | 2011-03-17 | 2012-09-19 | 李立军 | Improved automobile clutch booster |
-
2008
- 2008-05-09 CN CNU2008200870512U patent/CN201206604Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678785A (en) * | 2011-03-17 | 2012-09-19 | 李立军 | Improved automobile clutch booster |
| CN102635649A (en) * | 2012-04-24 | 2012-08-15 | 瑞立集团瑞安汽车零部件有限公司 | Internal respirable booster |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090311 |