CN107284429A - Plunger type booster pump - Google Patents
Plunger type booster pump Download PDFInfo
- Publication number
- CN107284429A CN107284429A CN201610223639.5A CN201610223639A CN107284429A CN 107284429 A CN107284429 A CN 107284429A CN 201610223639 A CN201610223639 A CN 201610223639A CN 107284429 A CN107284429 A CN 107284429A
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- Prior art keywords
- plunger
- diameter
- oil
- small
- spring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention relates to automotive hydraulic brake system technical field, a kind of plunger type booster pump is provided, including oil-feed screw (1), the pump housing (2), reducing plunger (3), sealing ring (4), oil sealing (5), spring (6), spring base (7), automobile braking eliminate initial stage brake clearance graduated application oil pressure it is relatively low when, output oil pressure PoEqual to input oil pressure Pi, after brake clearance is eliminated, brake the stage input oil pressure P that worksiDuring rise, output oil pressure PoHigher than input oil pressure Pi, output oil pressureD is reducing plunger (3) outside diameter in formula, d is reducing plunger (3) end diameter, the present invention is simple in construction, be easy to processing, and small volume, cost are low, safe and reliable, energy-conservation, and pressurized effect is realized under conditions of without compressed air or vacuum source equal energy source.
Description
Technical field
The present invention relates to automotive hydraulic brake technical field, more particularly to a kind of plunger type booster pump.
Background technology
At present, the widely used booster pump of motor vehicle hydraulic brake system, need to be by compressed air or vacuum source
Pressurized effect is realized under conditions of equal energy source, its complicated, cost is high, trouble point is more, security reliability
Difference, pressurized effect declines when there is motor vehicle power system failure potential safety hazard and the deficiency of power consumption.
The content of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of without compressed air or vacuum source equal energy source
Under the conditions of realize pressurized effect, its simple in construction, cost is low, safe and reliable, the plunger type booster pump of energy-conservation.
The technical solution adopted for the present invention to solve the technical problems is：A kind of plunger type booster pump, including enter
Whelk nail (1), the pump housing (2), reducing plunger (3), sealing ring (4), oil sealing (5), spring (6),
Spring base (7), described oil-feed screw (1) right side is provided with 1-6 roads groove, the described pump housing (2)
The bottom of thread in left side be provided with annular escape (a), on the right side of annular escape (a) provided with ring shaped oil passage groove (c),
Between annular escape (a) and ring shaped oil passage groove (c) groove (b), annular are axially connected provided with 1-6 roads
Set on the right side of oil duct groove (c) provided with the annular groove for installing sealing ring (4), the annular groove right side for installing sealing ring (4)
There are oil-out (o), right side provided with the mounting hole for installing oil sealing (5) and the screwed hole of spring base (7) is installed, it is described
Reducing plunger (3) it is right by the small plunger two parts of the big plunger of diameter and diameter are constituted, diameter is big plunger
On the right side of the small plunger of ring-shaped step of the side surface provided with the big small 0.5mm of diameter of plunger of diameter group or so, diameter
Center portion is provided with the hole for installing spring (6), and described oil-feed screw (1) is arranged on the left of the pump housing (2), institute
The sealing ring (4) stated is arranged in the annular groove of the pump housing (2) installation sealing ring (4), described oil sealing (5)
Installed on the right side of the pump housing (2) in the mounting hole of oil sealing (5), described reducing plunger (3) is held on a left side greatly
Small end is arranged in the pump housing (2) on the right side, spring (6) and spring base (7) are arranged on the right side of the pump housing (2).
Further, the bottom of thread on the left of the described pump housing (2) is provided with annular escape (a), annular and moved back
It is provided with the right side of cutter groove (a) provided with the annular groove for installing sealing ring (4), the annular groove right side for installing sealing ring (4)
Oil-out (o), right-hand member are described provided with the mounting hole for installing oil sealing (5) and the screwed hole of installation spring base (7)
Reducing plunger (3) is on the right side of the plunger that the small plunger two parts of the big plunger of diameter and diameter are constituted, diameter is big
Surface is provided with the big small 0.5mm of diameter of plunger of diameter group or so annular groove, is provided with 1-6 in annular groove bottom
Individual radial hole, the small plunger surface of the small plunger intersection diameter of the big plunger of diameter and diameter be provided with 1-6
Individual radial hole (e), the diameter connected with annular groove bottom 1-6 radial hole that be being tilted to the left is small
Center portion is provided with the hole for installing spring (6) on the right side of plunger.
Further, on the left of the described pump housing (2) on the right side of thread Pilot hole provided with install sealing ring (4) annular groove,
Install sealing ring (4) annular groove on the right side of provided with oil-out (o), right side provided with install oil sealing (5) mounting hole and
The screwed hole of spring base (7) is installed, described reducing plunger (3) is by the big plunger of diameter and the small post of diameter
Fill in two parts composition, on the left of the big plunger of diameter center portion provided with one-way valve seat (8), check valve steel ball (9),
One-way valve spring (10), set in the small plunger surface of the small plunger intersection diameter of the big plunger of diameter and diameter
There is center portion on the right side of the 1-6 radial holes (f) connected with check valve, the small plunger of diameter to be provided with installation spring
(6) hole, described oil-feed screw (1) right-hand member center is entered provided with stud, stud periphery provided with 1-6
Oilhole, described one-way valve seat (8) left end face is provided with 1-6 roads groove.
Further, described oil-feed screw (1) right side Bu She 1-6 roads groove, described reducing plunger (3)
Left side sets 1-6 roads groove.
Further, it is relatively large in diameter outside described reducing plunger (3) right side and spring (6) provided with one
Auxiliary spring.
The advantages of the present invention are：Plunger type boosting pump structure is simple, be easy to process, small volume,
Cost is low, safe and reliable, energy-conservation, is realized under conditions of without compressed air or vacuum source equal energy source
Pressurized effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the schematic diagram of the embodiment of the present invention 3.
In figure：1st, oil-feed screw, 2, the pump housing, 3, reducing plunger, 4, sealing ring, 5, oil sealing,
6th, spring, 7, spring base, 8, one-way valve seat, 9, check valve steel ball, 10, one-way valve spring
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, the present invention provides a kind of plunger type booster pump, including oil-feed screw (1), the pump housing (2),
Reducing plunger (3), sealing ring (4), oil sealing (5), spring (6), spring base (7), described oil-feed
The bottom of thread that screw (1) right side is provided with the left of 1-6 roads groove, the described pump housing (2) is provided with annular
Provided with ring shaped oil passage groove (c), in annular escape (a) on the right side of escape (a), annular escape (a)
Groove (b), ring shaped oil passage groove (c) right side are axially connected between ring shaped oil passage groove (c) provided with 1-6 roads to set
There is the annular groove of installation sealing ring (4), install on the right side of the annular groove of sealing ring (4) provided with oil-out (o), right side
Provided with the mounting hole for installing oil sealing (5) and the screwed hole of spring base (7) is installed, described reducing plunger (3) by
The big plunger of diameter and the big plunger right lateral surface of the small plunger two parts composition of diameter, diameter are provided with diameter group
The plunger right side center portion that the small 0.5mm of big diameter of plunger or so ring-shaped step, diameter are small is provided with installation spring
(6) hole, described oil-feed screw (1) is arranged on the left of the pump housing (2), described sealing ring (4)
Oil sealing (5) in the annular groove that the pump housing (2) installs sealing ring (4), described is arranged on the pump housing (2)
Right side is installed in the mounting hole of oil sealing (5), described reducing plunger (3) end greatly is arranged in left small end on the right side
The pump housing (2) is interior, spring (6) and spring base (7) are arranged on the right side of the pump housing (2).
During automobile braking, braking eliminates the brake clearance stage at initial stage, when braking oil pressure is relatively low, brakes fluid
By oil inlet (i) enter through oil-feed screw (1), annular escape (a), axially connection groove (b),
The big plunger of diameter group that the big plunger right lateral surface of ring shaped oil passage groove (c), reducing plunger (3) diameter is provided with
Gap between the small 0.5mm of diameter or so ring-shaped step and sealing ring (4) inner ring enters annular compression chamber (m)
Exported by oil-out (o) with inputting oil pressure PiIdentical brakes fluid.
After brake clearance is eliminated, braking is worked the stage, during input oil pressure rise, reducing plunger (3) gram
The elastic force F for taking spring (6) is moved right, and the big plunger right lateral surface of reducing plunger (3) diameter is provided with
Close in gap between the small 0.5mm of the big diameter of plunger of diameter group or so ring-shaped step and sealing ring (4) inner ring
Close, annular compression chamber (m) the compression brake fluid on the right side of reducing plunger (3) exports high by oil-out (o)
In input oil pressure PiBraking fluid, realize pressurized effect, its output oil pressureD is reducing plunger (3) outside diameter in formula, and d is reducing plunger (3)
End diameter.
When releasing braking, reducing plunger (3) is moved to left, table on the right side of the big plunger of reducing plunger (3) diameter
Between the big small 0.5mm of diameter of plunger of diameter group that face is provided with or so ring-shaped step and sealing ring (4) inner ring
Gap is opened, and braking fluid flows back to input.
Embodiment 2
As shown in Fig. 2 the present invention provides a kind of plunger type booster pump, including oil-feed screw (1), the pump housing (2),
Reducing plunger (3), sealing ring (4), oil sealing (5), spring (6), spring base (7), described oil-feed
Screw (1) right side is provided with the bottom of thread on the left of 1-6 roads groove, the described pump housing (2) pump housing (2)
Provided with the annular groove provided with installation sealing ring (4), installation on the right side of annular escape (a), annular escape (a)
It is provided with the right side of the annular groove of sealing ring (4) provided with oil-out (o), right side and the mounting hole of oil sealing (5) is installed and bullet is installed
The screwed hole of spring abutment (7), described reducing plunger (3) is by the small plunger two parts of the big plunger of diameter and diameter
Annular groove of the big plunger right lateral surface of composition, diameter provided with the big small 0.5mm of diameter of plunger of diameter group or so,
In annular groove bottom provided with 1-6 radial hole, in the small plunger intersection diameter of the big plunger of diameter and diameter
Small plunger surface is provided with the 1-6 radial directions connected with 1-6 radial hole of annular groove bottom being tilted to the left
Center portion is provided with the hole for installing spring (6), described oil-feed screw (1) on the right side of the small plunger of aperture (e), diameter
Sealing ring (4) on the left of the pump housing (2), described is arranged on the ring that the pump housing (2) installs sealing ring (4)
The mounting hole that oil sealing (5) in shape groove, described is arranged on installation oil sealing (5) on the right side of the pump housing (2) is interior, described
Reducing plunger (3) end greatly be arranged on the right side in the pump housing (2) in left small end, spring (6) and spring base (7)
On the right side of the pump housing (2).
During automobile braking, braking eliminates the brake clearance stage at initial stage, when braking oil pressure is relatively low, brakes fluid
Oil-feed screw (1), annular escape (a), reducing plunger (3) diameter are entered through by oil inlet (i) big
Annular groove of the plunger right lateral surface provided with the big small 0.5mm of diameter of plunger of diameter group or so, annular groove bottom
1-6 radial hole being provided with, the radial hole (e) connected with 1-6 radial hole of annular groove bottom
Exported into annular compression chamber (m) by oil-out (o) with inputting oil pressure PiIdentical brakes fluid..
After brake clearance is eliminated, braking is worked the stage, input oil pressure PiDuring rise, reducing plunger (3)
The elastic force F of spring (6) is overcome to move right, the big plunger right lateral surface of reducing plunger (3) diameter is provided with
The big small 0.5mm of diameter of plunger of diameter group or so annular groove move to right the oil closed with annular escape (a)
Annular compression chamber (m) compression brake fluid on the right side of road, reducing plunger (3) exports high by oil-out (o)
In input oil pressure PiBraking fluid, realize pressurized effect, its output oil pressureD is reducing plunger (3) outside diameter in formula, and d is reducing plunger (3)
End diameter.
When releasing braking, reducing plunger (3) is moved to left, table on the right side of the big plunger of reducing plunger (3) diameter
The big small 0.5mm of diameter of plunger of diameter group that face is provided with or so annular groove and the oil circuit of annular escape (a)
Open, braking fluid flows back to input.
Embodiment 3
As shown in figure 3, the present invention provides a kind of plunger type booster pump, including oil-feed screw (1), the pump housing (2),
Reducing plunger (3), sealing ring (4), oil sealing (5), spring (6), spring base (7), the described pump housing
(2) annular groove provided with installation sealing ring (4), the annular groove of installation sealing ring (4) on the right side of the thread Pilot hole of left side
Right side is provided with oil-out (o), right side provided with the mounting hole for installing oil sealing (5) and the screw thread of installation spring base (7)
Hole, described reducing plunger (3) is made up of the small plunger two parts of the big plunger of diameter and diameter, diameter is big
Plunger on the left of center portion provided with one-way valve seat (8), check valve steel ball (9), one-way valve spring (10), straight
The small plunger surface of the big plunger in the footpath plunger intersection diameter small with diameter is connected provided with 1-6 with check valve
Radial hole (f), center portion is provided with the hole for installing spring (6), described oil-feed on the right side of the small plunger of diameter
Screw (1) right-hand member center is provided with stud, stud periphery provided with 1-6 fuel feed hole, described one-way valve seat (8)
Left end face is provided with 1-6 roads groove, and described oil-feed screw (1) is arranged on the left of the pump housing (2), described
Sealing ring (4) be arranged on the pump housing (2) install in the annular groove of sealing ring (4), described oil sealing (5) peace
Installed on the right side of the pump housing (2) in the mounting hole of oil sealing (5), described reducing plunger (3) holds greatly small on a left side
End is arranged in the pump housing (2) on the right side, spring (6) and spring base (7) are arranged on the right side of the pump housing (2).
During automobile braking, braking eliminates the brake clearance stage at initial stage, when braking oil pressure is relatively low, brakes fluid
The fuel feed hole of oil-feed screw (1), check valve steel ball (9) are entered through by oil-feed screw by oil inlet (i)
(1) stud at right-hand member center is lifted off one-way valve seat (8) check valve, the radial hole connected with check valve
(f) enter annular compression chamber (m) to be exported with inputting oil pressure P by oil-out (o)iIdentical brakes fluid.
After brake clearance is eliminated, braking is worked the stage, input oil pressure PiDuring rise, reducing plunger (3)
The elastic force F of spring (6) is overcome to move right, on the left of the big plunger of reducing plunger (3) diameter
Check valve steel ball (9) leaves the work of the stud in one-way valve spring (10) at oil-feed screw (1) right-hand member center
With lower closing check valve, annular compression chamber (m) the compression brake fluid on the right side of reducing plunger (3) is by fuel-displaced
Mouth (o) output is higher than input oil pressure PiBraking fluid, realize pressurized effect, its output oil pressureD is reducing plunger (3) outside diameter in formula, and d is reducing plunger (3)
End diameter.
When releasing braking, reducing plunger (3) is moved to left, installed in the big plunger of reducing plunger (3) diameter
The check valve steel ball (9) in left side is lifted off one-way valve seat (8) by the stud at oil-feed screw (1) right-hand member center and beaten
Opening one-way valve, braking fluid flows back to input.
In order to provide oil-feed path, described oil-feed screw (1) right-hand member can be also used in embodiment 1,2
Face Bu She 1-6 roads groove, the scheme of 1-6 roads groove is set in described reducing plunger (3) left side.
In order to increase elastic force F, in embodiment 1,2,3 can in described reducing plunger (3) right side and
An auxiliary spring being relatively large in diameter is set up outside spring (6).
Embodiments of the invention are described in detail above, but the content is only the preferable reality of the present invention
Apply example, it is impossible to be considered as the practical range for limiting the present invention.All impartial changes made according to the scope of the invention
Change and improvement etc., all should still be belonged within this patent covering scope.
Claims (5)
1. plunger type booster pump, it is characterised in that：Including oil-feed screw (1), the pump housing (2), reducing post
Fill in (3), sealing ring (4), oil sealing (5), spring (6), spring base (7), described oil-feed screw (1)
Right side is provided with 1-6 roads groove, the bottom of thread on the left of the described pump housing (2) be provided with annular escape (a),
Provided with ring shaped oil passage groove (c), in annular escape (a) and ring shaped oil passage groove (c) on the right side of annular escape (a)
Between provided with 1-6 roads axially connection groove (b), on the right side of ring shaped oil passage groove (c) provided with the ring for installing sealing ring (4)
Provided with oil-out (o), right side provided with the installation for installing oil sealing (5) on the right side of shape groove, the annular groove of installation sealing ring (4)
Hole and the screwed hole for installing spring base (7), described reducing plunger (3) are small by the big plunger of diameter and diameter
The big plunger right lateral surface of plunger two parts composition, diameter is left provided with the small 0.5mm of the big diameter of plunger of diameter group
The plunger right side center portion that ring-shaped step, the diameter on the right side are small is provided with the hole for installing spring (6), and described enters whelk
Follow closely (1) and be arranged on the pump housing (2) left side, described sealing ring (4) installed in the pump housing (2) installation sealing
Enclose in the annular groove of (4), described oil sealing (5) is arranged on the mounting hole that oil sealing (5) is installed on the right side of the pump housing (2)
Interior, described reducing plunger (3) end greatly is arranged in the pump housing (2) on the right side in left small end, spring (6) and
Spring base (7) is arranged on the right side of the pump housing (2).
2. plunger type booster pump as claimed in claim 1, it is characterised in that：The described pump housing (2) is left
The bottom of thread of side is provided with annular escape (a), annular escape (a) right side and is provided with and installs sealing ring (4)
Annular groove, install on the right side of the annular groove of sealing ring (4) provided with oil-out (o), right side provided with installing oil sealing (5)
Mounting hole and the screwed hole for installing spring base (7), described reducing plunger (3) is by diameter big plunger and diameter
The plunger right lateral surface that small plunger two parts are constituted, diameter is big is small provided with the big diameter of plunger of diameter group
0.5mm or so annular groove, annular groove bottom provided with 1-6 radial hole, in the big plunger of diameter and
The small plunger surface of the small plunger intersection diameter of diameter be tilted to the left provided with 1-6 with annular groove bottom
The plunger right side center portion that radial hole (e), the diameter of 1-6 radial hole connection are small is provided with installation spring (6)
Hole.
3. plunger type booster pump as claimed in claim 1, it is characterised in that：The described pump housing (2) is left
It is provided with the right side of the thread Pilot hole of side provided with the annular groove for installing sealing ring (4), the annular groove right side for installing sealing ring (4)
Oil-out (o), right side are provided with the mounting hole for installing oil sealing (5) and the screwed hole of installation spring base (7), and described is different
Footpath plunger (3) heart on the left of the plunger that the small plunger two parts of the big plunger of diameter and diameter are constituted, diameter is big
Portion provided with one-way valve seat (8), check valve steel ball (9), one-way valve spring (10), the big plunger of diameter with it is straight
The small plunger surface of the small plunger intersection diameter in footpath is provided with the 1-6 radial holes (f) connected with check valve,
On the right side of the small plunger of diameter in hole of the center portion provided with installation spring (6), described oil-feed screw (1) right-hand member
The heart is provided with stud, stud periphery provided with 1-6 fuel feed hole, and described one-way valve seat (8) left end face is provided with
1-6 roads groove.
4. plunger type booster pump as claimed in claim 1 or 2, it is characterised in that：Described oil-feed screw
(1) right side Bu She 1-6 roads groove, described reducing plunger (3) left side sets 1-6 roads groove.
5. the plunger type booster pump as described in claim 1 or 2 or 3, it is characterised in that：Described is different
Provided with an auxiliary spring being relatively large in diameter outside footpath plunger (3) right side and spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223639.5A CN107284429A (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223639.5A CN107284429A (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107284429A true CN107284429A (en) | 2017-10-24 |
Family
ID=60093115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223639.5A Pending CN107284429A (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107284429A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813450A (en) * | 1986-05-06 | 1989-03-21 | Nippon Air Brake Co., Ltd. | Fluid pressure control valve |
| CN2218121Y (en) * | 1995-04-07 | 1996-01-24 | 史占彪 | Pressure pump |
| CN2410195Y (en) * | 2000-02-29 | 2000-12-13 | 汪沛华 | Pressure sensing booster |
| CN201385659Y (en) * | 2009-03-03 | 2010-01-20 | 汪云峰 | Automobile braking hydraulic booster |
| WO2013120562A1 (en) * | 2012-02-14 | 2013-08-22 | Robert Bosch Gmbh | Braking device for a vehicle and method for operating a braking device of a vehicle |
| CN105083247A (en) * | 2014-05-23 | 2015-11-25 | 史占彪 | Automobile hydraulic brake device |
| CN205469024U (en) * | 2016-04-13 | 2016-08-17 | 史占彪 | Plunger type booster pump |
-
2016
- 2016-04-13 CN CN201610223639.5A patent/CN107284429A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813450A (en) * | 1986-05-06 | 1989-03-21 | Nippon Air Brake Co., Ltd. | Fluid pressure control valve |
| CN2218121Y (en) * | 1995-04-07 | 1996-01-24 | 史占彪 | Pressure pump |
| CN2410195Y (en) * | 2000-02-29 | 2000-12-13 | 汪沛华 | Pressure sensing booster |
| CN201385659Y (en) * | 2009-03-03 | 2010-01-20 | 汪云峰 | Automobile braking hydraulic booster |
| WO2013120562A1 (en) * | 2012-02-14 | 2013-08-22 | Robert Bosch Gmbh | Braking device for a vehicle and method for operating a braking device of a vehicle |
| CN105083247A (en) * | 2014-05-23 | 2015-11-25 | 史占彪 | Automobile hydraulic brake device |
| CN205469024U (en) * | 2016-04-13 | 2016-08-17 | 史占彪 | Plunger type booster pump |
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Addressee: Shi Zhanbiao Document name: Notification of Patent Invention Entering into Substantive Examination Stage Addressee: Shi Zhanbiao Document name: Notification of Decision on Request for Restoration of Right |
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Effective date of registration: 20190729 Address after: 518000 Guangdong city of Shenzhen province Futian District New City Mansion Shennan Road West 501 Applicant after: Shi Bin Applicant after: Zhao Kun Applicant after: Liu Chao Address before: 301799 No. 201, Gate 1, Building 37, Xiangjiang Square, Jianguo South Road, Wuqing District, Tianjin Applicant before: Shi Zhanbiao |
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