CN201133431Y - Vacuum booster assembly - Google Patents
Vacuum booster assembly Download PDFInfo
- Publication number
- CN201133431Y CN201133431Y CNU2007201847383U CN200720184738U CN201133431Y CN 201133431 Y CN201133431 Y CN 201133431Y CN U2007201847383 U CNU2007201847383 U CN U2007201847383U CN 200720184738 U CN200720184738 U CN 200720184738U CN 201133431 Y CN201133431 Y CN 201133431Y
- Authority
- CN
- China
- Prior art keywords
- cylinder piston
- control valve
- servo
- vacuum booster
- push rod
- 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
Links
Abstract
The utility model discloses a vacuum booster assembly which comprises a shell; the shell is provided with a power cylinder piston II; the power cylinder piston II is provided with a control valve push rod; the control valve push rod is provided with a control valve outer spring and a control valve inner spring; the front end of the control valve push rod is connected with the rear end of an air valve seat; a locking slice is arranged between the air valve seat; the front end of the air valve is inlaid into a power cylinder piston III; the power cylinder piston III is provided with a reaction plate; an assisting chamber I is formed between the power cylinder piston II and the power cylinder piston III; a quick air inlet device is arranged out of the power cylinder piston II; the front end of the assisting chamber I is connected with an assisting chamber II. The vacuum booster assembly effectively improves the air inlet speed, reduces the response and release time, increases the pressure difference, greatly increases the braking force and shortens the braking distance; and the supporting rod going through the shell prevents permanent deformation of a vacuum booster and improves the safety performance.
Description
Technical field
The utility model relates to a kind of brake device for car, is specifically related to a kind of vacuum booster assembly of hydraulic braking.
Background technique
Vacuum booster links together with braking overall pump, and purpose is to utilize air to follow the pressure difference of vacuum to increase braking force, shortens stopping distance.Traditional vacuum booster control valve port has only an intake valve port, and the intake velocity that makes is slow, and reaction time and release time are also relatively slow, and stopping distance is also longer; Traditional in addition vacuum booster adopts single-iris list piston plate structure, and the pressure difference of its generation is less relatively, and the active force that can provide is not very big, can not beeline brake; And the rigidity of traditional vacuum booster is by the rigidity decision of housing itself, and other does not have thing to support, and makes product can be out of shape when work, increases the idle stroke of product, makes the reflection time of braking elongated, brings potential safety hazard to driving.
The model utility content
Technical problem to be solved in the utility model just provides a kind of vacuum booster assembly, can effectively solve the less long problem of stopping distance that causes of traditional vacuum booster pressure difference slow owing to intake velocity and that produce.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: a kind of vacuum booster assembly, comprise housing, be provided with servo-cylinder piston I I in the described housing, be provided with the control valve push rod in the described servo-cylinder piston I I, described control valve push rod is provided with control valve outer spring and control valve inner spring, described control valve outer spring rear end connects described control valve push rod, front end connects the outer spring seat, described control valve inner spring rear end connects the inner spring seat, front end connects the control valve assembly, described control valve push rod front end connects the air valve base rear end, be provided with locking plate in the middle of the described air valve seat, described air valve seat front end embeds in the servo-cylinder piston I II, is provided with the counter-force dish in the described servo-cylinder piston I II, forms afterburning chamber I between described servo-cylinder piston I I and the servo-cylinder piston I II, it is characterized in that: described servo-cylinder piston I I is provided with quick air inlet system outward, and described afterburning chamber I front end connects afterburning chamber II.
Further, described quick air inlet system comprises the servo-cylinder piston I, and described servo-cylinder piston I front end connects described locking plate, is provided with spring between described servo-cylinder piston I and the described servo-cylinder piston I II.
Further, be provided with back cover sealing gland assembly between described servo-cylinder piston I and the described housing, guarantee the proper functioning of vacuum booster.
Further, described afterburning chamber II is positioned at described servo-cylinder piston I II front end, comprises piston plate II, is provided with diaphragm II between described piston plate II and the described housing.
Further, be provided with mesochite sealing gland assembly between described afterburning chamber II and the described servo-cylinder piston I II, guarantee the proper functioning of vacuum booster.
Further, be provided with steam hose between described afterburning chamber I and the described afterburning chamber II, with conducting between afterburning chamber I and the afterburning chamber II.
Further, be provided with strut in the described steam hose, described strut runs through described housing, has increased the rigidity of vacuum booster, has shortened idle stroke.
The utility model has effectively increased intake velocity owing to adopted technique scheme, has reduced reaction time and release time, has increased pressure difference simultaneously, has increased breaking force greatly, has shortened stopping distance; And the strut that enclosure interior runs through has been avoided the permanent deformation of vacuum booster, has shortened the reaction time, has improved Safety performance greatly, has also increased the life-span of vacuum booster.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an I place enlarged diagram among Fig. 1.
Embodiment
As depicted in figs. 1 and 2, embodiment for a kind of vacuum booster assembly of the utility model, comprise housing 1, be provided with servo-cylinder piston I I26 in the housing 1, be provided with control valve push rod 2 in the servo-cylinder piston I I26, control valve push rod 2 rear ends connect adjusts fork 8, be used to transmit stressed, control valve push rod 2 is provided with control valve outer spring 21 and control valve inner spring 23, control valve outer spring 21 rear ends connect control valve push rod 2, front end connects outer spring seat 22, control valve inner spring 23 rear ends connect inner spring seat 24, and front end connects control valve assembly 25, are provided with control valve noise elimination circle 29 between outer spring seat 22 and the inner spring seat 24, inner spring seat 24 front ends catch on control valve assembly 25 rear ends, and control valve assembly 25 can seal servo-cylinder piston I I26.Control valve push rod 2 front ends connect air valve seat 3 rear ends, be provided with locking plate 31 in the middle of the air valve seat 3, air valve seat 3 front ends embed in the servo-cylinder piston I II4, be provided with counter-force dish 41 in the servo-cylinder piston I II4, be provided with air valve head 32 between counter-force dish 41 and the air valve seat 3, be provided with brake master cylinder pushing rod sleeve 42 and push rod cup 43 in the servo-cylinder piston I II4, servo-cylinder piston I II4 front end is provided with return spring 44, form afterburning chamber I5 between servo-cylinder piston I I 26 and the servo-cylinder piston I II4, be provided with diaphragm I51 in the afterburning chamber I5, diaphragm I51 front end is provided with piston plate I52, and the rear end is a housing 1.Afterburning chamber I5 front end connects afterburning chamber II6 by steam hose 71, be provided with strut 72 in the steam hose 71, strut 72 runs through housing 1, afterburning chamber II6 comprises diaphragm II61, diaphragm II61 front end is piston plate II62, the rear end is a housing 1, is provided with mesochite sealing gland assembly 63 between afterburning chamber II6 and the servo-cylinder piston I II4.Servo-cylinder piston I I26 peripheral hardware has servo-cylinder piston I 27, and described servo-cylinder piston I 27 front ends connect described locking plate 31, is provided with spring 33 between servo-cylinder piston I 27 and the servo-cylinder piston I II4, is provided with back cover sealing gland assembly 28 between servo-cylinder piston I 27 and the housing 1.
When implementing braking, control valve push rod 2 stressed drive air valve seats 3 and air valve head 32 are to left movement, after having eliminated the gap with counter-force dish 41, the core of air valve head 32 compression counter-force dishes 41 makes counter-force dish 41 produce indentation deformation, and make servo-cylinder piston I II4 and brake master cylinder pushing rod sleeve 42, push rod cup 43 to left movement, compression retracteding position spring 44 rises brake master cylinder hydraulic pressure and imports each wheel cylinder into, produces braking force.Control valve push rod 2 is in the time of left movement, compressed control valve outer spring 21,21 compressions of control valve outer spring drive outer spring seat 22 and inner spring seat 24 compression control valve inner springs 23, thereby control valve inner spring 23 drives control valve assembly 25 to left movement sealing servo-cylinder piston I I26, air valve seat 3 controlled valve follower 2 thrusts continue to left movement, thereby air valve seat 3 is separated with control valve assembly 25, air enters in the housing 1, air valve seat 3 drives locking plate 31 to left movement simultaneously, thereby locking plate 31 drives servo-cylinder piston I 27 to be separated with servo-cylinder piston I I26 rear end, air enters in the housing 1, possess two intake valve ports, increase intake velocity, reduced reaction time and release time, thereby shortened stopping distance.
Along with entering of air, the conducting of steam hose 71 between afterburning chamber I5 and the afterburning chamber II6, pressure difference appears in diaphragm I51 and diaphragm II61 both sides at afterburning chamber I5 and afterburning chamber II6, thereby make diaphragm I51 and diaphragm II61 push down piston plate I52 and piston plate II62 left respectively, drive servo-cylinder piston I II4 to left movement, increase the thrust of brake master cylinder pushing rod sleeve 42 and push rod cup 43, thereby increased braking force, shortened stopping distance.
When keeping braking, when pedal is stepped on when stopping at a certain position, control valve push rod 2, air valve seat 3 and air valve head 32 just stop to push counter-force dish 41, because diaphragm I51 and diaphragm II61 both sides pressure difference are the side ring parts that acts on counter-force dish 41 by servo-cylinder piston I II4, make under counter-force dish 41 central foveas part again projection flatten, under the effect of spring 33, servo-cylinder piston I 27 is returned to initial position, intake valve port is closed, servo-cylinder piston I 27 drives locking plate 31 answers simultaneously, locking plate 31 drives 3 answers of air valve seat and combines with control valve assembly 25, thereby two intake valve ports are all closed, and the power-assisted effect stops.
Claims (7)
1, a kind of vacuum booster assembly, comprise housing (1), be provided with servo-cylinder piston I I (26) in the housing (1), be provided with control valve push rod (2) in the described servo-cylinder piston I I (26), described control valve push rod (2) is provided with control valve outer spring (21) and control valve inner spring (23), described control valve outer spring (21) rear end connects described control valve push rod (2), front end connects outer spring seat (22), described control valve inner spring (23) rear end connects inner spring seat (24), front end connects control valve assembly (25), described control valve push rod (2) front end connects air valve seat (3) rear end, be provided with locking plate (31) in the middle of the described air valve seat (3), described air valve seat (3) front end embeds in the servo-cylinder piston I II (4), be provided with counter-force dish (41) in the described servo-cylinder piston I II (4), form afterburning chamber I (5) between described servo-cylinder piston I I (26) and the servo-cylinder piston I II (4), it is characterized in that: described servo-cylinder piston I I (26) is outer to be provided with quick air inlet system, and described afterburning chamber I (5) front end connects afterburning chamber II (6).
2, vacuum booster assembly according to claim 1, it is characterized in that: described quick air inlet system comprises servo-cylinder piston I (27), described servo-cylinder piston I (27) front end connects described locking plate (31), is provided with spring (33) between described servo-cylinder piston I (27) and the described servo-cylinder piston I II (4).
3, vacuum booster assembly according to claim 2 is characterized in that: be provided with back cover sealing gland assembly (28) between described servo-cylinder piston I (27) and the described housing (1).
4, vacuum booster assembly according to claim 1, it is characterized in that: described afterburning chamber II (6) is positioned at described servo-cylinder piston I II (4) front end, comprise piston plate II (62), be provided with diaphragm II (61) between described piston plate II (62) and the described housing (1).
5, according to claim 1 or 4 described vacuum booster assemblies, it is characterized in that: be provided with mesochite sealing gland assembly (63) between described afterburning chamber II (6) and the described servo-cylinder piston I II (4).
6, vacuum booster assembly according to claim 1 is characterized in that: be provided with steam hose (71) between described afterburning chamber I (5) and the described afterburning chamber II (6).
7, vacuum booster assembly according to claim 6 is characterized in that: be provided with strut (72) in the described steam hose (71), described strut (72) runs through described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201847383U CN201133431Y (en) | 2007-10-19 | 2007-10-19 | Vacuum booster assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201847383U CN201133431Y (en) | 2007-10-19 | 2007-10-19 | Vacuum booster assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201133431Y true CN201133431Y (en) | 2008-10-15 |
Family
ID=40061703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201847383U Expired - Lifetime CN201133431Y (en) | 2007-10-19 | 2007-10-19 | Vacuum booster assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201133431Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416262A (en) * | 2015-08-24 | 2016-03-23 | 浙江诸暨万宝机械有限公司 | Vacuum booster assembly |
| CN110254409A (en) * | 2019-07-03 | 2019-09-20 | 宁国市普萨斯密封技术有限公司 | A kind of automobile booster lock |
-
2007
- 2007-10-19 CN CNU2007201847383U patent/CN201133431Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416262A (en) * | 2015-08-24 | 2016-03-23 | 浙江诸暨万宝机械有限公司 | Vacuum booster assembly |
| CN105416262B (en) * | 2015-08-24 | 2018-09-25 | 浙江诸暨万宝机械有限公司 | A kind of vacuum booster assembly |
| CN110254409A (en) * | 2019-07-03 | 2019-09-20 | 宁国市普萨斯密封技术有限公司 | A kind of automobile booster lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202966284U (en) | Single diaphragm type vacuum booster | |
| CN201133431Y (en) | Vacuum booster assembly | |
| CN105752064A (en) | Automobile hydraulic braking system | |
| CN201385659Y (en) | Automobile braking hydraulic booster | |
| CN202451659U (en) | Vacuum booster pump and clutch main pump | |
| CN201133432Y (en) | Vacuum booster assembly | |
| CN202716864U (en) | Integrated hydraulic unit of automobile braking system | |
| CN201002601Y (en) | Penetration type double-diaphragm vacuum booster assembly | |
| CN201561078U (en) | Directly-pushing type double-cylinder normally-closed brake | |
| CN201133430Y (en) | Vacuum booster assembly | |
| CN201521574U (en) | Direct-pushing type single-cylinder normally-closed brake | |
| CN204355028U (en) | A kind of vacuum booster for vehicle brake | |
| CN207999461U (en) | Vacuum servo formula clutch separating mechanism | |
| CN201517577U (en) | Direct-push type double-cylinder normally disengaged brake | |
| CN202764959U (en) | Novel vacuum single-direction valve device | |
| CN208646832U (en) | A kind of double diaphragms of thin bar run through vacuum booster | |
| CN202728208U (en) | Vacuum booster | |
| CN201002600Y (en) | Diaphragm type vacuum augmenter for automobile hydraulic braking | |
| CN110962823A (en) | Diaphragm device for double-diaphragm vacuum booster | |
| CN204821541U (en) | Parallel two -chamber braking main valve | |
| CN207535889U (en) | A kind of vacuum booster diaphragm of rubber structure | |
| CN202431779U (en) | Brake master cylinder structure | |
| CN202264762U (en) | Fast air intake structure for vacuum booster | |
| CN203601254U (en) | Automobile vacuum booster | |
| CN216833613U (en) | Vacuum booster with support device for penetrating rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090116 Address after: Zhuji City, Zhejiang Province town of Wan An science and Technology Park, zip code: 311835 Patentee after: Zhejiang Zhuji Wanbao Machinery Co., Ltd. Address before: Zhuji City, Zhejiang Province town of Wan An science and Technology Park, zip code: 311835 Patentee before: Wan'an Group Zhuji Auto Parts Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROVINCE ZHUJI WANBAO MACHINERY CO., LTD. Free format text: FORMER OWNER: WAN'AN GROUP ZHUJI AUTO PARTS CO., LTD. Effective date: 20090116 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |
|
| CX01 | Expiry of patent term |