CN206377086U - The unidirectional twin-tub master cylinder that goes rancid - Google Patents
The unidirectional twin-tub master cylinder that goes rancid Download PDFInfo
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- CN206377086U CN206377086U CN201621469137.2U CN201621469137U CN206377086U CN 206377086 U CN206377086 U CN 206377086U CN 201621469137 U CN201621469137 U CN 201621469137U CN 206377086 U CN206377086 U CN 206377086U
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- China
- Prior art keywords
- valve
- oil
- manual pump
- resorption
- cavity
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Abstract
A kind of unidirectional twin-tub master cylinder that goes rancid, belongs to technical field of automobile parts.The purpose of this utility model is, by the improvement to manual pump or electrodynamic pump master cylinder, rationally to design oil circuit, and the unidirectional twin-tub master cylinder that goes rancid of oil pressure is controlled by double oily passages.The utility model is made up of manual pump epicoele turnover oil system, manual pump cavity of resorption turnover oil system and auxiliary oil turnover oil system three digest journals.The utility model is reasonable in design, by setting an auxiliary oil（Auxiliary oil cylinder）Turnover carries out replenishment control to the oil pressure of manual pump, so that the fuel delivery of abundance can be reached to increasing oil pressure in oil cylinder above and below manual pump, the problem of will not occurring lift because of oil pressure deficiency.
Description
Technical field
The utility model belongs to technical field of automobile parts.
Background technology
Vehicle hoisting driver's cabin is required to the manual or electronic pump housing, and existing manual pump or electrodynamic pump housing structure is each
It is different, but it is each limited by oil circuit, easily causes the not enough problem of fuel-displaced return pressure, resulting in lifting work can not be complete
Into.
The content of the invention
The purpose of this utility model is, by the improvement to manual pump or electrodynamic pump master cylinder, oil circuit rationally to be designed, by double
Oily passage controls the unidirectional twin-tub master cylinder that goes rancid of oil pressure.
The utility model is to enter fuel-displaced by manual pump epicoele turnover oil system, manual pump cavity of resorption turnover oil system and auxiliary oil
System three digest journals are constituted；
Manual pump cavity of resorption enters in oil discharge passage to be provided with cushion block and rubber pressure switch, cavity of resorption oil passage end and manual pump
Cavity of resorption enters oil discharge passage and communicated, and the other end is communicated with lower valve chamber；
Valve pocket bottom is sealed by bottom flange, is placed with lower check valve and upper check valve in valve pocket, lower check valve and upper
Connected between check valve by transfer block, lower check valve and the upper equal undergauge in check valve two ends, and lower check valve and upper check valve
Valve pocket is divided into by lower valve chamber, additional channel and finishing bathtray by middle part outer wall sealing ring；
Lower valve chamber is communicated by the path on lower check valve briquetting with middle valve pocket, and the path on lower check valve briquetting is with
Lower ball valve is provided between valve pocket, lower valve spring top is on lower ball valve；Middle valve pocket is auxiliary by aiding in hydraulic fluid port to be communicated with additional channel
Oil groove is helped by aiding in the oily oil inlet and outlet of oily passage and auxiliary to communicate；Middle valve pocket passes through the path and upper valve on upper check valve briquetting
Chamber is communicated, and upper ball valve is provided between the path and uuper valve chamber on upper check valve briquetting, upper valve spring top on upper ball valve, on
Valve pocket is communicated with the throttling gate valve ante-chamber of throttling gate valve front end, and throttling gate valve ante-chamber passes through oil cylinder cavity of resorption passage and oil cylinder cavity of resorption phase
It is logical；
Cylinder upper cavity oil in manual pump epicoele access way by oil circuit with communicating, and this oil circuit import is placed in guide piston
Between throat bushing, guide piston is placed in manual pump epicoele access way rear end, and the short plug of guide piston is inserted in passage aisle, section
Stream set rear end is provided with screen pack）, being provided with throat bushing in the middle of three-jaw choke valve, three-jaw choke valve has oil control micropore,
Throat bushing front end is provided with upper chamber passage rubber pressure switch, and manual pump epicoele access way passes in and out for manual pump epicoele foremost
Hydraulic fluid port；
It is provided with gate throttle valve pocket on rear side of throttling gate valve, throttling gate valve and valve after gate throttle valve pocket is withstood on by compression spring
Cover, be placed with the middle part of gate throttle valve insertion in spring(-supported) mount, spring(-supported) mount and spring is installed, distinguish in spring(-supported) mount and both ends of the spring
There are preceding ball valve and rear ball valve；
Manual pump cavity of resorption enters fuel-displaced Channel front end and communicated by branch oil circuit with the guide piston back cavity on rear side of guide piston.
The utility model is reasonable in design, by setting an auxiliary oil（Auxiliary oil cylinder）Pass in and out and the oil pressure of manual pump is mended
Control is filled, so as to can reach the fuel delivery of abundance to increasing oil pressure in oil cylinder above and below manual pump, will not be occurred because oil pressure
It is not enough and the problem of can not lift.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model manual pump epicoele access way and gate throttle valve pocket enlarged schematic partial view；
Fig. 3 is the utility model valve pocket enlarged schematic partial view；
Fig. 4 is the utility model Fig. 2 H-H to schematic diagram.
Embodiment
The utility model is to enter fuel-displaced by manual pump epicoele turnover oil system, manual pump cavity of resorption turnover oil system and auxiliary oil
System three digest journals are constituted；
Manual pump cavity of resorption enters to be provided with cushion block 2 and rubber pressure switch 3, cavity of resorption oil one end of passage 4 and hand in oil discharge passage 1
Dynamic pump cavity of resorption enters oil discharge passage 1 and communicated, and the other end is communicated with lower valve chamber 40；
The bottom of valve pocket 44 is sealed by bottom flange 8, and lower check valve 6 and upper check valve 38 are placed with valve pocket 44, is placed an order
To being connected between valve 6 and upper check valve 38 by transfer block 5, the equal undergauge of lower check valve 6 and the two ends of upper check valve 38, and place an order
By middle part outer wall sealing ring it is lower valve chamber 40, additional channel 35 and finishing bathtray by 44 points of valve pocket to valve 6 and upper check valve 38
45；
Lower valve chamber 40 is communicated by the path on lower check valve briquetting 7 with middle valve pocket 34, logical on lower check valve briquetting 7
Lower ball valve 9 is provided between Lu Yuzhong valve pockets 34, lower valve spring 39 is withstood on lower ball valve 9；Middle valve pocket 34 is by aiding in hydraulic fluid port 16
Communicated with additional channel 35, additional channel 35 is by aiding in the oily oil inlet and outlet 13 of oily passage 12 and auxiliary to communicate；Middle valve pocket 34 leads to
The path crossed on check valve briquetting 10 is communicated with uuper valve chamber 32, between the path and uuper valve chamber 32 on upper check valve briquetting 10
Upper ball valve 11 is provided with, upper valve spring 33 is withstood on upper ball valve 11, before the throttling gate valve of uuper valve chamber 32 and throttling gate valve 20 front end
Chamber 36 is communicated, and throttling gate valve ante-chamber 36 is communicated by oil cylinder cavity of resorption passage 30 with oil cylinder cavity of resorption 31；
Cylinder upper cavity oil 42 in manual pump epicoele access way 43 by oil circuit with communicating, and this oil circuit import is placed in guiding
Between piston 22 and throat bushing 26, guide piston 22 is placed in the rear end of manual pump epicoele access way 43, the short plug of guide piston 22
46 are inserted in passage aisle 25, and the rear end of throat bushing 26 is provided with screen pack 23, and three-jaw choke valve 24, three are provided with throat bushing 26
There is oil control micropore 41 in the middle of pawl choke valve 24, upper chamber passage rubber pressure switch 27, manual pump are installed in the front end of throat bushing 26
Epicoele access way 43 is manual pump epicoele oil inlet and outlet 28 foremost；
Throttling gate valve 20 is installed in gate throttle valve pocket, the rear side of throttling gate valve 20 withstands on throttling gate valve by compression spring 14
After chamber on bonnet 15, it is placed with the middle part of throttling gate valve 20 inner chamber in spring(-supported) mount 18, spring(-supported) mount 18 and spring 19 is installed, in spring
There are preceding ball valve 21 and rear ball valve 17 in frame 18 and the two ends of spring 19 respectively；
Manual pump cavity of resorption enters the front end of oil discharge passage 1 and passes through branch oil circuit 29 and the guide piston back cavity 37 of the rear side of guide piston 22
Communicate.
Oil cylinder rises：
Master cylinder hydraulic pressure oil enters oil discharge passage 1, branch oil circuit 29, guide piston 22 by manual pump cavity of resorption, and preceding ball valve 21 is opened on top,
Throttling gate valve 20 is retreated, and hydraulic oil passes through oil cylinder cavity of resorption passage 30, flows to the oil cylinder cavity of resorption 31 of hydraulic cylinder master cylinder, master cylinder lifting.
Meanwhile, hydraulic oil by manual pump cavity of resorption after oil discharge passage 1 is entered, through cushion block 2, rubber pressure switch 3, the oily passage 4 of cavity of resorption, top
Valve pocket 34 during lower ball valve 9 enters is opened, then flows into the oily passage 12 of auxiliary, the oily oil inlet and outlet 13 of auxiliary and enters auxiliary oil cylinder cavity of resorption, secondary oil
Cylinder synchronously rises.
Master cylinder epicoele oil is flowed into manual pump epicoele access way 43 by cylinder upper cavity oil 42, then by screen pack 23, three
Pawl choke valve 24, throat bushing 26, rubber pressure switch 27, manual pump epicoele oil inlet and outlet 28 are flowed back in manual pump case.
Oil cylinder declines：
Manual pump hydraulic oil is by manual pump epicoele oil inlet and outlet 28, rubber pressure switch 27, throat bushing 26, three-jaw throttling
Valve 24, screen pack 23 reach master cylinder epicoele, meanwhile, guide piston 22 is promoted, and preceding ball valve 21 top is opened.
The oil of master cylinder cavity of resorption 31 is by oil cylinder cavity of resorption passage 30, throttling gate valve ante-chamber 36, passage aisle 25, branch oil circuit 29, hand
Dynamic pump cavity of resorption enters oil discharge passage 1 and returned in manual pump.
Meanwhile, the oil of intracavitary is by the oily oil inlet and outlet 13 of auxiliary, the oily passage 12 of auxiliary, additional channel 35, auxiliary under auxiliary oil cylinder
Uuper valve chamber 32 is opened on the path top for helping hydraulic fluid port 16 to enter on check valve briquetting 10, finally passes sequentially through the front end of guide piston 22
Throttling gate valve ante-chamber 36, passage aisle 25, branch oil circuit 29, manual pump cavity of resorption enter oil discharge passage 1 and returned in manual pump.
Claims (1)
1. a kind of unidirectional twin-tub master cylinder that goes rancid, it is characterised in that：It is by manual pump epicoele turnover oil system, the turnover of manual pump cavity of resorption
Oil system and auxiliary oil turnover oil system three digest journals are constituted；
Manual pump cavity of resorption enters oil discharge passage（1）Inside it is provided with cushion block（2）With rubber pressure switch（3）, cavity of resorption oil passage（4）One end
Enter oil discharge passage with manual pump cavity of resorption（1）Communicate, the other end and lower valve chamber（40）Communicate；
Valve pocket（44）Bottom passes through bottom flange（8）Seal, in valve pocket（44）Inside it is placed with lower check valve（6）With upper check valve
（38）, lower check valve（6）With upper check valve（38）Between pass through transfer block（5）Connection, lower check valve（6）With upper check valve（38）
The equal undergauge in two ends, and lower check valve（6）With upper check valve（38）By middle part outer wall sealing ring by valve pocket（44）Under being divided into
Valve pocket（40）, additional channel（35）And finishing bathtray（45）；
Lower valve chamber（40）Pass through lower check valve briquetting（7）On path and middle valve pocket（34）Communicate, in lower check valve briquetting（7）On
Path and middle valve pocket（34）Between be provided with lower ball valve（9）, lower valve spring（39）Withstand on lower ball valve（9）On；Middle valve pocket（34）
By aiding in hydraulic fluid port（16）With additional channel（35）Communicate, additional channel（35）By aiding in oily passage（12）With auxiliary oil turnover
Hydraulic fluid port（13）Communicate；Middle valve pocket（34）Pass through upper check valve briquetting（10）On path and uuper valve chamber（32）Communicate, upper unidirectional
Valve briquetting（10）On path and uuper valve chamber（32）Between be provided with upper ball valve（11）, upper valve spring（33）Withstand on upper ball valve（11）
On, uuper valve chamber（32）With throttling gate valve（20）The throttling gate valve ante-chamber of front end（36）Communicate, throttle gate valve ante-chamber（36）Pass through oil
Cylinder cavity of resorption passage（30）With oil cylinder cavity of resorption（31）Communicate；
Cylinder upper cavity oil（42）Pass through oil circuit and manual pump epicoele access way（43）Inside communicate, and this oil circuit import is placed in guiding
Piston（22）With throat bushing（26）Between, guide piston（22）It is placed in manual pump epicoele access way（43）Rear end, guide piston
（22）Short plug（46）It is inserted in passage aisle（25）It is interior, throat bushing（26）Rear end is provided with screen pack（23）, in throat bushing（26）It is interior
It is provided with three-jaw choke valve（24）, three-jaw choke valve（24）There is oil control micropore centre（41）, in throat bushing（26）Front end is provided with
Upper chamber passage rubber pressure is switched（27）, manual pump epicoele access way（43）It is manual pump epicoele oil inlet and outlet foremost
（28）；
Throttling gate valve is installed in gate throttle valve pocket（20）, throttle gate valve（20）Rear side passes through compression spring（14）Withstand on gate throttle
Bonnet after valve pocket（15）On, in throttling gate valve（20）Spring(-supported) mount is placed with the middle part of inner chamber（18）, spring(-supported) mount（18）Bullet is inside installed
Spring（19）, in spring(-supported) mount（18）And spring（19）There is preceding ball valve at two ends respectively（21）With rear ball valve（17）；
Manual pump cavity of resorption enters oil discharge passage（1）Front end passes through branch oil circuit（29）With guide piston（22）The guide piston back cavity of rear side
（37）Communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469137.2U CN206377086U (en) | 2016-12-30 | 2016-12-30 | The unidirectional twin-tub master cylinder that goes rancid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469137.2U CN206377086U (en) | 2016-12-30 | 2016-12-30 | The unidirectional twin-tub master cylinder that goes rancid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377086U true CN206377086U (en) | 2017-08-04 |
Family
ID=59408613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621469137.2U Active CN206377086U (en) | 2016-12-30 | 2016-12-30 | The unidirectional twin-tub master cylinder that goes rancid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206377086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
-
2016
- 2016-12-30 CN CN201621469137.2U patent/CN206377086U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294280B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294283B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
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