CN206049655U - A kind of brake pump on farm machinery - Google Patents
A kind of brake pump on farm machinery Download PDFInfo
- Publication number
- CN206049655U CN206049655U CN201620966614.XU CN201620966614U CN206049655U CN 206049655 U CN206049655 U CN 206049655U CN 201620966614 U CN201620966614 U CN 201620966614U CN 206049655 U CN206049655 U CN 206049655U
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- Prior art keywords
- brake pump
- farm machinery
- cylinder body
- piston
- fairlead
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Abstract
This utility model is related to brake pump, in particular to a kind of brake pump on farm machinery, including cylinder body（5）, piston（11）, push-rod assembly（7）, working chamber（A）And liquid storage cylinder（B）, piston（5）End be provided with centre valve（3）, centre valve（3）Front end be provided with fairlead（2）；Fairlead（2）Front end be provided with hole composite rim（1）.Can normally use as clutch master cylinder during the brake pump used aloned；Two are combined, and plug is dismantled, and two plug mouths are together in parallel and can be used as tandem master cylinder；When left and right directions is turned to, them can be made again to work independently, to reach the purpose of steering.
Description
Technical field
This utility model is related to brake pump, in particular to a kind of brake pump on farm machinery.
Background technology
Brake pump of the China on farm machinery has mostly followed the cast iron housing of import at present, is three sections of ladders in cylinder body
The hole of shape, piston are plunger-type structure, and its weight is general all at 3 to 5 kilograms, and Iron Casting Surface process is bad, it is easy to corrosion；
On the other hand, three sections of stair-stepping holes are again cumbersome, and processing technique is complicated；Further, the axial tolerance in Fill valve direction
Control ratio is tighter.Agricultural modernization has become the inexorable trend of our such a large agricultural countries, for this purpose, Improving The Quality of Products
Reliability, and the lightweight of product is the task of top priority of Created in China.
Utility model content
In order to solve the above-mentioned technological deficiency of prior art presence, the purpose of this utility model is to provide a kind of for agriculture
With brake pump mechanically, in solving prior art, structure is complex, and assembling is difficult, relatively costly.
In order to realize above-mentioned purpose of design, the scheme that this utility model is adopted is as follows：
A kind of brake pump on farm machinery, including cylinder body, piston, push-rod assembly, working chamber and liquid storage cylinder, piston
End be provided with centre valve, the front end of the centre valve is provided with fairlead；The front end of fairlead is provided with hole composite rim.Centre valve
Front end increase fairlead, and the front end of fairlead be equipped with hole composite rim (Ge Laiquan) 1, when only working for brake pump list
Can be by UNICOM's position sealing, so as to realize fast steering.
Preferably, two annular grooves are provided with the piston, in first annular groove, are provided with main apron；Second is annular
Secondary apron is provided with groove.
In any of the above-described scheme preferably, the cylinder body is provided with work cylinder holes, compensation hole, relief hole, inlet opening
And liquid outlet.
In any of the above-described scheme preferably, stop screw is additionally provided with the cylinder body.
In any of the above-described scheme preferably, inlet is provided with the top of the cylinder body；The front end of cylinder body is provided with out liquid
Mouthful.
In any of the above-described scheme preferably, plug is provided with below the cylinder body.
In any of the above-described scheme preferably, the work intracavity is provided with return spring.
Description of the drawings
Fig. 1 is the structural representation of the preferred embodiment according to the brake pump on farm machinery of the present utility model
Figure.
Fig. 2 is the structural representation of the second embodiment according to the brake pump on farm machinery of the present utility model.
Specific embodiment
It is that the following description is substantially merely exemplary and be not intended to limit the disclosure, application or purposes.Below
The specific embodiment of the brake pump on farm machinery of the present utility model is made further with reference to Figure of description
It is bright.
This utility model has three embodiments, 1,2 describes the course of work of three embodiments respectively below in conjunction with the accompanying drawings.
Embodiment one：
As shown in figure 1, according to the structural representation of the brake pump on farm machinery of the present utility model.
Brake pump on farm machinery of the present utility model, including cylinder body 5, piston 11, push-rod assembly 7, working chamber A
With liquid storage cylinder B, the end of piston 11 is provided with centre valve 3, and the front end of the centre valve 3 is provided with fairlead 2；The front end of fairlead 2
It is provided with hole composite rim 1.The front end of centre valve 3 increases fairlead 2, and the front end of fairlead 2 equipped with hole with composite rim (lattice come
Circle) 1, can be by UNICOM's position sealing, so as to realize fast steering when only working for brake pump list.
In the present embodiment, two annular grooves are provided with the piston 11, in first annular groove, are provided with main apron 8；
Secondary apron 9 is provided with second annular groove.
In the present embodiment, the cylinder body 5 is provided with work cylinder holes, compensation hole, relief hole, inlet opening and liquid outlet.
In the present embodiment, stop screw 10 is additionally provided with the cylinder body 5.
In the present embodiment, the top of the cylinder body 5 is provided with inlet；The front end of cylinder body 5 is provided with liquid outlet.
In the present embodiment, the lower section of the cylinder body 5 is provided with plug 4.
In the present embodiment, return spring 6 is provided with the working chamber A.
The course of work of the brake pump on farm machinery of the present utility model is：On brake pump plus after plug 4 into
For a clutch master cylinder, its 3 limited screw 10 of centre valve withstands, and valve port is opened.When push-rod assembly 7 promotes piston 11 to move
Dynamic, valve port is closed in the presence of return spring 6, and pressure increase in working chamber A, brake fluid are flowed in working cylinder；Piston 11 times
During position, centre valve 3 is opened under working chamber A, liquid storage cylinder B differential pressure actions, and liquid storage cylinder B inside brakes liquid is quickly filled in working chamber A,
11 rollback of piston in place after, the valve port of centre valve 3 is opened, and the unnecessary brake fluid of working chamber A flows back into storage by the valve port of centre valve 3
In sap cavity B.
Embodiment two：
As shown in Fig. 2 the structure according to the second embodiment of the brake pump on farm machinery of the present utility model is shown
It is intended to.
The plug 4 of the brake pump shown in Fig. 1 is disassembled, and parallel connection of pumps is braked by two, make their plug part
Connected with oil pipe, form a closed loop；Connection fork pin is connected on synchronous pedal, when so braking, with regard to group
Into a double chamber brake master cylinder assembly, go out sap cavity one end for left wheel cylinder, a chamber supplies right wheel cylinder.
Embodiment three：
With continued reference to shown in Fig. 2, the plug 4 of the brake pump shown in Fig. 1 is disassembled, and parallel connection of pumps is braked by two,
Their plug part oil pipe connection is made, a closed loop is formed, connection bolt nail is individually connected on pedal, two
Individual brake pump will not the action of the braking of synchronization, i.e. brake pump respectively becomes independent individuality because pedal works, if fast
Speed is turned to, and left-hand rotation only needs foot pedal to brake the wheel cylinder towards the left side, and the right continues to move ahead, you can reach quick left-hand rotation,
Otherwise right-hand rotation only needs foot pedal to brake the wheel cylinder towards the right, and the left side continues to move ahead, you can reach quick right-hand rotation.
In sum, the brake pump on farm machinery of the present utility model has advantages below：1st, lightweight-now
Two brake pumps are added together.2nd, realize it is multi-functional-individually can as the clutch master cylinder of operating system,
Being connected in parallel can be used as tandem master cylinder；If making consciously while brake, another side is not braking, then may be used in braking
To realize the function of fast steering.3rd, manufacturing process is simple.4th, using apron sealing structure, sealing effectiveness is more preferably；It is former specified
There is the hydraulic coupling of 2Mpa, it now is possible to reach the hydraulic coupling of more than 7Mpa.
It will be apparent to those skilled in the art that the brake pump on farm machinery of the present utility model includes this specification
The combination in any of middle each several part.As space is limited and in order that description is simple and clear, these combinations are not discussed in detail by here one by one,
But after having seen this specification, the scope of the present utility model that the combination in any of each several part being made up of this specification is constituted is not
Speech is self-evident.
Claims (7)
1. a kind of brake pump on farm machinery, including cylinder body（5）, piston（11）, push-rod assembly（7）, working chamber（A）With
Liquid storage cylinder（B）, piston（11）End be provided with centre valve（3）, it is characterised in that：Centre valve（3）Front end be provided with fairlead
（2）；Fairlead（2）Front end be provided with hole composite rim（1）.
2. the brake pump being used on farm machinery as claimed in claim 1, it is characterised in that：Piston（11）On be provided with two rings
Connected in star, is provided with main apron in first annular groove（8）；Secondary apron is provided with second annular groove（9）.
3. the brake pump being used on farm machinery as claimed in claim 1, it is characterised in that：Cylinder body（5）It is provided with working cylinder
Hole, compensation hole, relief hole, inlet opening and liquid outlet.
4. as described in claim 1 or 3 for the brake pump on farm machinery, it is characterised in that：Cylinder body（5）On be additionally provided with limit
Position screw（10）.
5. as described in claim 1 or 3 for the brake pump on farm machinery, it is characterised in that：Cylinder body（5）Top be provided with
Inlet；Cylinder body（5）Front end be provided with liquid outlet.
6. as described in claim 1 or 3 for the brake pump on farm machinery, it is characterised in that：Cylinder body（5）Lower section be provided with
Plug（4）.
7. the brake pump being used on farm machinery as claimed in claim 1, it is characterised in that：Working chamber（A）Return is provided with inside
Spring（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966614.XU CN206049655U (en) | 2016-08-29 | 2016-08-29 | A kind of brake pump on farm machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966614.XU CN206049655U (en) | 2016-08-29 | 2016-08-29 | A kind of brake pump on farm machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206049655U true CN206049655U (en) | 2017-03-29 |
Family
ID=58382498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620966614.XU Active CN206049655U (en) | 2016-08-29 | 2016-08-29 | A kind of brake pump on farm machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206049655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055679A (en) * | 2019-12-26 | 2020-04-24 | 中国重汽集团济南动力有限公司 | Clutch pedal mechanism of heavy commercial vehicle |
-
2016
- 2016-08-29 CN CN201620966614.XU patent/CN206049655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055679A (en) * | 2019-12-26 | 2020-04-24 | 中国重汽集团济南动力有限公司 | Clutch pedal mechanism of heavy commercial vehicle |
| CN111055679B (en) * | 2019-12-26 | 2021-06-29 | 中国重汽集团济南动力有限公司 | Clutch pedal mechanism of heavy commercial vehicle |
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| GR01 | Patent grant |