CN205469024U - Plunger type booster pump - Google Patents
Plunger type booster pump Download PDFInfo
- Publication number
- CN205469024U CN205469024U CN201620300222.XU CN201620300222U CN205469024U CN 205469024 U CN205469024 U CN 205469024U CN 201620300222 U CN201620300222 U CN 201620300222U CN 205469024 U CN205469024 U CN 205469024U
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- China
- Prior art keywords
- plunger
- diameter
- oil
- little
- big
- 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 12
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to a motor vehicle hydraulic braking technical field of system provides a plunger type booster pump, including oil feed screw (1), the pump body (2), reducing plunger (3), sealing washer (4), oil blanket (5), spring (6), spring holder (7), eliminate braking clearance graduated application oil pressure when lower at the motor vehicle braking initial stage, output oil pressure po equals to input oil pressure pi, after braking clearance elimination, when the rising of stage input oil pressure pi is reacted in the braking, output oil pressure po is higher than input oil pressure pi, output oil pressure (img file='DSA0000128656100000011. TIF'wi='676'he='130' /) wherein D is reducing plunger (3) main aspects diameter, D is reducing plunger (3) tip diameter, the utility model discloses simple structure, handling ease, small, with low costs, safe and reliable, energy -conservation need not to realize superchargers effect under the condition with the help of compressed air or vacuum source equal energy source.
Description
Art
This utility model relates to a kind of automotive hydraulic brake system technical field, particularly relates to a kind of plunger type supercharging
Pump.
Background technology
At present, the widely used booster pump of automotive hydraulic brake system, need to be by compressed air or vacuum source equal energy source
Under conditions of realize pressurized effect, its structure is complicated, cost is high, trouble point is many, security reliability is poor, there is motor vehicle powertrain
System fault time pressurized effect decline potential safety hazard and the deficiency of power consumption.
Summary of the invention
In order to overcome above-mentioned deficiency, this utility model provides a kind of without by compressed air or the bar of vacuum source equal energy source
Pressurized effect is realized under part, its simple in construction, low cost, safe and reliable, energy-conservation plunger type booster pump.
This utility model solves its technical problem and be the technical scheme is that 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 spiral shell
Nail (1) right side is provided with 1-6 road groove, and the bottom of thread in the described pump housing (2) left side is provided with annular escape (a), annular is moved back
Cutter groove (a) right side is provided with ring shaped oil passage groove (c), between annular escape (a) and ring shaped oil passage groove (c), to be provided with 1-6 road axial
Connect groove (b), ring shaped oil passage groove (c) right side is provided with and installs the cannelure of sealing ring (4), the cannelure of installation sealing ring (4)
Right side is provided with oil-out (o), right side is provided with the installing hole installing oil sealing (5) and the screwed hole installing spring base (7), and described is different
Footpath plunger (3) is provided with ratio directly by the plunger right lateral surface that plunger two parts form, diameter is big that the big plunger of diameter and diameter are little
On the right side of the plunger that the big ring-shaped step of little about the 0.5mm of diameter of plunger in footpath, diameter are little, heart portion is provided with the hole installing spring (6),
Described oil-feed screw (1) is arranged on the pump housing (2) left side, described sealing ring (4) is arranged on the pump housing (2) and installs sealing ring (4)
Cannelure in, described oil sealing (5) be arranged on the pump housing (2) right side install in the installing hole of oil sealing (5), described reducing plunger
(3) hold greatly at left small end in the right side is arranged on the pump housing (2), spring (6) and spring base (7) are arranged on the pump housing (2) right side.
Further, the bottom of thread in the described pump housing (2) left side is provided with annular escape (a), annular escape (a) right side
Be provided with on the right side of the cannelure of the cannelure of installation sealing ring (4), installation sealing ring (4) and be provided with oil-out (o), right-hand member is provided with installation
The installing hole of oil sealing (5) and install the screwed hole of spring base (7), described reducing plunger (3) is by the big plunger of diameter and diameter
The plunger right lateral surface that little plunger two parts form, diameter is big is provided with the ring of diameter group little about the 0.5mm of big diameter of plunger
Shape groove, it is provided with 1-6 radial hole, little at the plunger intersection diameter that the plunger that diameter is big is little with diameter at annular groove bottom
Plunger surface is provided with radial hole (e), the diameter that 1-6 1-6 the radial hole with annular groove bottom being tilted to the left connects
On the right side of little plunger, heart portion is provided with the hole installing spring (6).
Further, be provided with on the right side of the thread Pilot hole of the described pump housing (2) left side install sealing ring (4) cannelure, install close
Be provided with oil-out (o) on the right side of the cannelure of seal (4), right side is provided with and installs the installing hole of oil sealing (5) and install spring base (7)
Screwed hole, described reducing plunger (3) is left by the plunger that plunger two parts form, diameter is big that the big plunger of diameter and diameter are little
Heart portion, side be provided with one-way valve seat (8), check valve steel ball (9), one-way valve spring (10), at the plunger that diameter the is big post little with diameter
The plunger surface that plug intersection diameter is little is provided with 1-6 the radial hole (f) connected with check valve, the heart on the right side of the plunger that diameter is little
Portion is provided with the hole installing spring (6), and described oil-feed screw (1) right-hand member center is provided with stud, stud periphery is provided with 1-6 oil-feed
Hole, described one-way valve seat (8) left end face is provided with 1-6 road groove.
Further, described Bu She 1-6 road, oil-feed screw (1) right side groove, described reducing plunger (3) left side sets
1-6 road groove.
Further, described reducing plunger (3) right side and spring (6) outside are provided with an auxiliary spring being relatively large in diameter.
Advantage of the present utility model and providing the benefit that: a kind of plunger type boosting pump structure is simple, be easy to processing, volume
Little, low cost, safe and reliable, energy-conservation, under conditions of without by compressed air or vacuum source equal energy source, realize pressurized effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model embodiment 1.
Fig. 2 is the schematic diagram of this utility model embodiment 2.
Fig. 3 is the schematic diagram of this utility model embodiment 3.
In figure: 1, oil-feed screw, 2, the pump housing, 3, reducing plunger, 4, sealing ring, 5, oil sealing, 6, spring, 7, spring base, 8,
One-way valve seat, 9, check valve steel ball, 10, one-way valve spring
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
As it is shown in figure 1, this utility model 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 1-6 road
Groove, the bottom of thread in the described pump housing (2) left side is provided with annular escape (a), annular escape (a) right side is provided with annular oil
Road groove (c), it is provided with 1-6 road and is axially connected groove (b), ring shaped oil passage groove between annular escape (a) and ring shaped oil passage groove (c)
C () right side is provided with on the right side of the cannelure installing the cannelure of sealing ring (4), installation sealing ring (4) and is provided with oil-out (o), right side
Being provided with the installing hole installing oil sealing (5) and the screwed hole installing spring base (7), described reducing plunger (3) is by the big post of diameter
The plunger right lateral surface that plunger two parts form, diameter is big that plug is little with diameter is provided with the diameter group little 0.5mm of big diameter of plunger
On the right side of the plunger that the ring-shaped step of left and right, diameter are little, heart portion is provided with the hole installing spring (6), and described oil-feed screw (1) is installed
The pump housing (2) left side, described sealing ring (4) be arranged on the pump housing (2) install in the cannelure of sealing ring (4), described oil sealing
(5) be arranged in the installing hole of the pump housing (2) right side installation oil sealing (5), described reducing plunger (3) is held at left small end in right peace greatly
In being contained in the pump housing (2), spring (6) and spring base (7) be arranged on the right side of the pump housing (2).
During automobile braking, the braking initial stage eliminates the brake clearance stage, and when braking oil pressure is relatively low, braking fluid is by oil-in
I () enters through oil-feed screw (1), annular escape (a), axially connects groove (b), ring shaped oil passage groove (c), reducing plunger
(3) ring-shaped step of little about the 0.5mm of diameter of plunger that the plunger right lateral surface that diameter is big is provided with diameter group is big and sealing ring
(4) gap entrance annular compression chamber (m) between inner ring is exported by oil-out (o) and inputs oil pressure PiIdentical braking fluid.
After brake clearance eliminates, braking is worked the stage, and when input oil pressure raises, reducing plunger (3) overcomes spring (6)
Elastic force F move right, the diameter of plunger that diameter group that the plunger right lateral surface that reducing plunger (3) diameter is big is provided with is big is little
Gap between the ring-shaped step of about 0.5mm and sealing ring (4) inner ring is closed, the annular compression chamber on reducing plunger (3) right side
M () compression brake fluid is higher than input oil pressure P by oil-out (o) outputiBraking fluid, it is achieved pressurized effect, it exports oil
PressureIn formula, D is reducing plunger (3) outside diameter, and d is reducing plunger (3) end diameter.
When releasing braking, reducing plunger (3) moves to left, the ratio that the plunger right lateral surface that reducing plunger (3) diameter is big is provided with
Gap between ring-shaped step and sealing ring (4) inner ring of little about the 0.5mm of diameter of plunger that diameter is big is opened, brake oil liquid stream
It is fed back into end.
Embodiment 2
As in figure 2 it is shown, this utility model 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 1-6 road
Groove, the bottom of thread in the described pump housing (2) pump housing (2) left side is provided with annular escape (a), annular escape (a) right side sets
Have installation sealing ring (4) cannelure, install sealing ring (4) cannelure on the right side of be provided with oil-out (o), right side be provided with installation oil
The installing hole of envelope (5) and install the screwed hole of spring base (7), described reducing plunger (3) is little by the big plunger of diameter and diameter
Plunger two parts composition, plunger right lateral surface that diameter is big be provided with the annular of diameter group little about the 0.5mm of big diameter of plunger
Groove, it is provided with 1-6 radial hole at annular groove bottom, at the little post of the plunger intersection diameter that the plunger that diameter is big is little with diameter
It is little that plug surface is provided with radial hole (e) that 1-6 the radial hole with annular groove bottom that 1-6 is tilted to the left connect, diameter
Plunger on the right side of heart portion be provided with the hole installing spring (6), described oil-feed screw (1) is arranged on the pump housing (2) left side, described close
Seal (4) is arranged in the cannelure of the pump housing (2) installation sealing ring (4), described oil sealing (5) is arranged on the pump housing (2) right side peace
The installing hole of charge of oil envelope (5) is interior, described reducing plunger (3) is held greatly at left small end in the right side is arranged on the pump housing (2), spring (6)
It is arranged on the pump housing (2) right side with spring base (7).
During automobile braking, the braking initial stage eliminates the brake clearance stage, and when braking oil pressure is relatively low, braking fluid is by oil-in
I () enters through oil-feed screw (1), annular escape (a), plunger right lateral surface that reducing plunger (3) diameter is big are provided with ratio directly
1-6 radial hole that the big cannelure of little about the 0.5mm of diameter of plunger in footpath, annular groove bottom are provided with and annular groove bottom
The radial hole (e) of 1-6 radial hole connection enter annular compression chamber (m) and exported by oil-out (o) and input oil pressure Pi
Identical braking fluid.
After brake clearance eliminates, braking is worked the stage, inputs oil pressure PiDuring rising, reducing plunger (3) overcomes spring
(6) elastic force F moves right, and the diameter of plunger that diameter group that the plunger right lateral surface that reducing plunger (3) diameter is big is provided with is big is little
The cannelure of about 0.5mm moves to right closes and the oil circuit of annular escape (a), annular compression chamber (m) on reducing plunger (3) right side
Compression brake fluid is higher than input oil pressure P by oil-out (o) outputiBraking fluid, it is achieved pressurized effect, its output oil pressureIn formula, D is reducing plunger (3) outside diameter, and d is reducing plunger (3) end diameter.
When releasing braking, reducing plunger (3) moves to left, the ratio that the plunger right lateral surface that reducing plunger (3) diameter is big is provided with
The cannelure of little about the 0.5mm of diameter of plunger that diameter is big with annular escape (a) oil circuit open, brake oil liquid stream is fed back into
End.
Embodiment 3
As it is shown on figure 3, this utility model 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), be provided with on the right side of the described pump housing (2) left side thread Pilot hole
Install and be provided with oil-out (o) on the right side of the cannelure of the cannelure of sealing ring (4), installation sealing ring (4), right side is provided with installation oil sealing
(5) installing hole and install the screwed hole of spring base (7), described reducing plunger (3) is little by the big plunger of diameter and diameter
On the left of the plunger that plunger two parts composition, diameter are big, heart portion is provided with one-way valve seat (8), check valve steel ball (9), one-way valve spring
(10), it is provided with 1-6 at the plunger surface that the plunger intersection diameter that the plunger that diameter is big is little with diameter is little to connect with check valve
Radial hole (f), on the right side of the plunger that diameter is little heart portion be provided with install spring (6) hole, in described oil-feed screw (1) right-hand member
The heart is provided with stud, stud periphery is provided with 1-6 fuel feed hole, and described one-way valve seat (8) left end face is provided with 1-6 road groove, institute
The oil-feed screw (1) stated is arranged on the pump housing (2) left side, described sealing ring (4) is arranged on the pump housing (2) and installs sealing ring (4)
Cannelure is interior, described oil sealing (5) is arranged in the installing hole of the pump housing (2) right side installation oil sealing (5), described reducing plunger
(3) hold greatly at left small end in the right side is arranged on the pump housing (2), spring (6) and spring base (7) are arranged on the pump housing (2) right side.
During automobile braking, the braking initial stage eliminates the brake clearance stage, and when braking oil pressure is relatively low, braking fluid is by oil-in
I () enters through the fuel feed hole of oil-feed screw (1), check valve steel ball (9) is lifted off list by the stud at oil-feed screw (1) right-hand member center
The radial hole (f) connected with check valve to the check valve of valve seat (8) enter annular compression chamber (m) by oil-out (o) output with
Input oil pressure PiIdentical braking fluid.
After brake clearance eliminates, braking is worked the stage, inputs oil pressure PiDuring rising, reducing plunger (3) overcomes spring
(6) elastic force F moves right, and is arranged on the check valve steel ball (9) on the left of the plunger that reducing plunger (3) diameter is big and leaves oil-feed
The stud at screw (1) right-hand member center closes check valve, the annular on reducing plunger (3) right side under the effect of one-way valve spring (10)
Compression chamber (m) compression brake fluid is higher than input oil pressure P by oil-out (o) outputiBraking fluid, it is achieved pressurized effect, its
Output oil pressureIn formula, D is reducing plunger (3) outside diameter, and d is reducing plunger (3)
End diameter.
When releasing braking, reducing plunger (3) moves to left, and be arranged on the left of the plunger that reducing plunger (3) diameter is big is unidirectional
Valve steel ball (9) is lifted off one-way valve seat (8) by the stud at oil-feed screw (1) right-hand member center and opens check valve, and brake oil liquid stream feeds back
Enter end.
In order to provide oil-feed path, embodiment 1,2 may be used without described oil-feed screw (1) right side and do not set 1-6
Road groove, sets the scheme of 1-6 road groove in described reducing plunger (3) left side.
In order to increase elastic force F, can be in described reducing plunger (3) right side and spring (6) outside in embodiment 1,2,3
Set up an auxiliary spring being relatively large in diameter.
Above embodiment of the present utility model has been described in detail, but described content be only of the present utility model preferably
Embodiment, it is impossible to be considered for limiting practical range of the present utility model.All impartial changes made according to this utility model scope
Change and improvement etc., within all should still belonging to this patent covering scope.
Claims (5)
1. plunger type booster pump, it is characterised in that: include 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 1-6 road groove, the described pump housing (2)
The bottom of thread in left side is provided with annular escape (a), annular escape (a) right side is provided with ring shaped oil passage groove (c), at annular withdrawing
Be provided with between groove (a) with ring shaped oil passage groove (c) 1-6 road be axially connected groove (b), ring shaped oil passage groove (c) right side be provided with installation close
The cannelure of seal (4), install be provided with oil-out (o) on the right side of the cannelure of sealing ring (4), right side is provided with and installs oil sealing (5)
Installing hole and install the screwed hole of spring base (7), described reducing plunger (3) is by the little plunger two of the big plunger of diameter and diameter
Part composition, the plunger right lateral surface that diameter is big are provided with the ring-shaped step of diameter group little about the 0.5mm of big diameter of plunger, diameter
On the right side of little plunger heart portion be provided with install spring (6) hole, described oil-feed screw (1) be arranged on the pump housing (2) left side, described
Sealing ring (4) is arranged in the cannelure of the pump housing (2) installation sealing ring (4), described oil sealing (5) is arranged on the pump housing (2) right side
Install in the installing hole of oil sealing (5), described reducing plunger (3) is held greatly at left small end in the right side is arranged on the pump housing (2), spring
(6) it is arranged on the right side of the pump housing (2) with spring base (7).
2. plunger type booster pump as claimed in claim 1, it is characterised in that: the bottom of thread in the described pump housing (2) left side sets
There is the ring that annular escape (a), annular escape (a) right side are provided with the cannelure installing sealing ring (4), install sealing ring (4)
Be provided with oil-out (o) on the right side of shape groove, right side is provided with the installing hole installing oil sealing (5) and the screwed hole installing spring base (7), described
Reducing plunger (3) be provided with by the plunger right lateral surface that plunger two parts form, diameter is big that the big plunger of diameter and diameter are little
The cannelure of little about the 0.5mm of diameter of plunger that diameter group is big, it is provided with 1-6 radial hole, big at diameter at annular groove bottom
The little plunger surface of the plunger plunger intersection diameter little with diameter be provided with 1-6 the 1-with annular groove bottom being tilted to the left
On the right side of the plunger that the radial hole (e) of 6 radial hole connections, diameter are little, heart portion is provided with the hole installing spring (6).
3. plunger type booster pump as claimed in claim 1, it is characterised in that: on the right side of the described pump housing (2) left side thread Pilot hole
Be provided with on the right side of the cannelure of the cannelure of installation sealing ring (4), installation sealing ring (4) and be provided with oil-out (o), right side is provided with installation
The installing hole of oil sealing (5) and install the screwed hole of spring base (7), described reducing plunger (3) is by the big plunger of diameter and diameter
On the left of the plunger that little plunger two parts form, diameter is big, heart portion is provided with one-way valve seat (8), check valve steel ball (9), check valve bullet
Spring (10), it is provided with 1-6 with check valve even at the plunger surface that the plunger intersection diameter that the plunger that diameter is big is little with diameter is little
Logical radial hole (f), on the right side of the plunger that diameter is little, heart portion is provided with the hole installing spring (6), described oil-feed screw (1) right-hand member
Center is provided with stud, stud periphery is provided with 1-6 fuel feed hole, and described one-way valve seat (8) left end face is provided with 1-6 road 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 does not sets
1-6 road groove, described reducing plunger (3) left side sets 1-6 road groove.
5. the plunger type booster pump as described in claim 1 or 2 or 3, it is characterised in that: described reducing plunger (3) right side
It is provided with an auxiliary spring being relatively large in diameter with spring (6) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300222.XU CN205469024U (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300222.XU CN205469024U (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205469024U true CN205469024U (en) | 2016-08-17 |
Family
ID=56645365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620300222.XU Expired - Fee Related CN205469024U (en) | 2016-04-13 | 2016-04-13 | Plunger type booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205469024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284429A (en) * | 2016-04-13 | 2017-10-24 | 史占彪 | Plunger type booster pump |
-
2016
- 2016-04-13 CN CN201620300222.XU patent/CN205469024U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284429A (en) * | 2016-04-13 | 2017-10-24 | 史占彪 | Plunger type booster pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Shi Zhanbiao Document name: Notification of Passing Examination on Formalities |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191114 Address after: 518000 Guangdong city of Shenzhen province Futian District New City Mansion Shennan Road West 501 Co-patentee after: Zhao Kun Patentee after: Shi Bin Co-patentee after: Liu Chao Address before: 301799, No. 1, No. 201, building 37, Xiangjiang square, Jianguo South Road, Wuqing District, Tianjin Patentee before: Shi Zhanbiao |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211012 Address after: 518000 West New City Mansion, Shennan Middle Road, Futian District, Shenzhen, Guangdong 501 Patentee after: Shi Bin Patentee after: Zhao Kun Patentee after: Liu Chao Patentee after: Tianjin Wanfeng motor vehicle appraisal and evaluation Co.,Ltd. Address before: 518000 West New City Mansion, Shennan Middle Road, Futian District, Shenzhen, Guangdong 501 Patentee before: Shi Bin Patentee before: Zhao Kun Patentee before: Liu Chao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |