CN207538988U - A kind of manual pump - Google Patents
A kind of manual pump Download PDFInfo
- Publication number
- CN207538988U CN207538988U CN201721689608.5U CN201721689608U CN207538988U CN 207538988 U CN207538988 U CN 207538988U CN 201721689608 U CN201721689608 U CN 201721689608U CN 207538988 U CN207538988 U CN 207538988U
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- CN
- China
- Prior art keywords
- cavity
- threaded hole
- pump housing
- opens
- steel ball
- 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 - Fee Related
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Abstract
The utility model provides a kind of manual pump, including：The pump housing,Pulling plate,Handle,Cylinder rod,Cylinder barrel,Cylinder rod moves reciprocatingly in cylinder barrel,One end of cylinder barrel is threadedly coupled with the pump housing,Cylinder barrel bottom opens up oil outlet cavity and a cavity that can accommodate steel ball I respectively to pump body direction,Pump housing bottom end opens up inlet port threaded hole,Inlet port threaded hole depths opens up inlet port cavity,I cavity of steel ball is connected with inlet port cavity,Pump housing antetheca opens up oil discharge outlet threaded hole,Oil discharge outlet threaded hole depths opens up oil discharge outlet cavity,Oil discharge outlet threaded hole is threadedly coupled with end straight coupling body,It holds and is equipped with volute spring and steel ball II between straight coupling body and oil discharge outlet cavity successively,Pump housing antetheca also opens up oil sealing threaded hole,Oil sealing threaded hole is threadedly coupled with plug screw,Pump housing side wall opens up overflow valve threaded hole,Overflow valve threaded hole is threadedly coupled with silk plug,The utility model simple structure,Conducive to modularization,It is of low cost,It can be widely popularized.
Description
Technical field
The utility model is related to brake fluid system more particularly to a kind of manual pumps.
Background technology
The manual pump in brake fluid system is presently used for mostly using plug-in manual pump, plug-in overflow valve is in the pump housing
In integrate, inserting core structure is complicated, and to medium pollution sensitivity, thread cartridge hole machined is complicated, of high cost.A small number of manual pumps use will
Nonreturn valve core, overflow spool, oil cylinder are all integrated in the pump housing, and design is not simple enough.
Utility model content
According to the technical issues of set forth above, and provide a kind of manual pump.The utility model mainly utilizes inlet one-way valve
Core, Outlet check valves core, overflow valve integrated design simplify processing technology, reduce processing cost in the structure on the pump housing.
The technological means that the utility model uses is as follows：A kind of manual pump, including the pump housing, pulling plate, handle, cylinder rod, cylinder
Cylinder, described pulling plate one end are articulated with the connecting plate being fixed on the pump housing, and the other end of the pulling plate is hinged with the handle,
The cylinder rod is hinged with the handle, and the cylinder rod moves reciprocatingly in the cylinder barrel, one end of the cylinder barrel and institute
State pump housing threaded connection；
After the cylinder barrel is spirally connected with the pump housing, the cylinder barrel bottom opens up oil outlet respectively to the pump body direction
Cavity and a cavity that can accommodate steel ball I, the circle that I cavity of steel ball projects formation in the horizontal plane include or are inscribed within institute
The circle that cylinder barrel bottom projects formation in the horizontal plane is stated, the pump housing bottom end opens up inlet port threaded hole, the inlet port screw thread
Inlet port cavity is opened up at hole depth, I cavity of steel ball is connected with the inlet port cavity；
The pump housing antetheca opens up oil discharge outlet threaded hole, and the oil discharge outlet threaded hole depths opens up oil discharge outlet cavity, described
Oil discharge outlet threaded hole is threadedly coupled with end straight coupling body, is set successively between the end straight coupling body and the oil discharge outlet cavity
There are volute spring and steel ball II；
The pump housing antetheca also opens up oil sealing threaded hole, and the oil sealing threaded hole depths opens up oil sealing cavity, the oil sealing
Threaded hole is threadedly coupled with plug screw；
The pump housing side wall opens up overflow valve threaded hole, and the overflow valve threaded hole depths opens up overflow valve cavity, described
Overflow valve threaded hole is threadedly coupled with silk plug, is equipped with overflow spool and spiral bullet between the overflow valve cavity and silk plug successively
Spring；
The oil sealing cavity is connected with the overflow valve cavity, and the oil outlet cavity is connected with the overflow valve cavity,
The oil discharge outlet cavity is connected with the overflow valve cavity；
Further, the steel ball I is used as inlet one-way valve core, and the steel ball II, volute spring are as Outlet check valves
Core, two nonreturn valve cores are vertically and horizontally arranged and connected respectively to be integrated in the pump housing.
Further, the spout hole spool both sides are respectively equipped with 1 sealing ring.
The utility model has the following advantages：
1st, the utility model uses inlet one-way valve core, Outlet check valves core, overflow spool integrated in the pump housing
Structure conducive to modularization, simplifies processing technology, reduces processing cost.
2nd, two nonreturn valve core arranged in series pressure holding effect of the utility model is good, and the overflow spool of setting uses mouthful pressure can
It adjusts.
The utility model can be widely popularized in fields such as hydraulic hand pumps for the foregoing reasons.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it can also be obtained according to these attached drawings other attached drawings.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is utility model works schematic diagram.
Fig. 3 is the utility model pump body schematic diagram.
In figure：1. connecting plate；2. pulling plate；3. axis pin；4. handle；5. axis pin；6. cylinder rod；7. cylinder barrel；8. the pump housing；9. steel
Ball I；10. steel ball II；11. volute spring；12. end straight coupling body；13. plug screw；14. overflow spool；15. helical spring；16.
Silk plug；17. inlet port threaded hole；18. oil discharge outlet threaded hole；19. oil sealing threaded hole；20. overflow valve threaded hole；21. inlet port
Cavity；22. I cavity of steel ball；23. oil outlet cavity；24. oil discharge outlet cavity；25. oil sealing cavity；26. overflow valve cavity.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The range of the utility model protection.
As shown in Figs. 1-3, a kind of manual pump, including the pump housing 8, pulling plate 2, handle 4, cylinder rod 6, cylinder barrel 7, the pulling plate 2
One end is articulated with the connecting plate 1 being fixed on the pump housing 8, and the other end of the pulling plate 2 is hinged with the handle 4, the oil
Cylinder rod 6 and the handle 4 are hinged, and the cylinder rod 6 moves reciprocatingly in the cylinder barrel 7, one end of the cylinder barrel 7 with it is described
The pump housing 8 is threadedly coupled.Connecting plate 1 is fixed by screw and the pump housing 8, is connect by axis pin 3 with pulling plate 2,2 other end of pulling plate passes through
Axis pin 3 is connect with handle 4, and handle 4 is connect by axis pin 5 with cylinder rod 6, and pulling plate 2, handle 4 are adapted to oil cylinder.Cycle lift,
Handle 4 is depressed, cylinder rod 6 can move reciprocatingly according to regulation stroke in cylinder barrel 7, and ensure to design discharge capacity output.
After the cylinder barrel 7 is threadedly coupled with the pump housing 8,7 bottom of cylinder barrel is opened respectively to 8 internal direction of the pump housing
Hydraulic fluid port cavity 23 and I cavity 22 of steel ball that steel ball I 9 can be accommodated are set out, I cavity 22 of steel ball projects shape in the horizontal plane
Into circle include or be inscribed within the circle that 7 bottom outer-edge of cylinder barrel projects formation in the horizontal plane, I cavity 22 of steel ball is by cylinder barrel 7
Installation screw thread edge pushes down a part so that steel ball I 9 will not fall to cylinder barrel 7 in oil-absorbing process, and 8 bottom end of the pump housing is opened
If inlet port threaded hole 17,17 depths of inlet port threaded hole opens up inlet port cavity 21, I cavity 22 of steel ball with it is described
Inlet port cavity 21 connects.
8 antetheca of the pump housing opens up oil discharge outlet threaded hole 18, and 18 depths of oil discharge outlet threaded hole opens up oil discharge outlet cavity
24, the oil discharge outlet threaded hole 18 is threadedly coupled with end straight coupling body 12, the end straight coupling body 12 and the oil discharge outlet
Volute spring 11 and steel ball II 10 are equipped between cavity 24 successively, steel ball II 10 is withstood by volute spring 11 is assemblied in oil discharge outlet sky
Chamber 24.
8 antetheca of the pump housing also opens up oil sealing threaded hole 19, and 19 depths of oil sealing threaded hole opens up oil sealing cavity 25, institute
Oil sealing threaded hole 19 is stated to be threadedly coupled with plug screw 13.
8 side wall of the pump housing opens up overflow valve threaded hole 20, and 20 depths of overflow valve threaded hole opens up overflow valve cavity
26, the overflow valve threaded hole 20 is threadedly coupled with silk plug 16, is equipped with and is overflow successively between the overflow valve cavity 26 and silk plug 16
Flow valve core 14 and helical spring 15.
The oil sealing cavity 25 is connected with the overflow valve cavity 26, the oil sealing cavity 25 and the inlet port cavity 21
Connection, the oil outlet cavity 23 are connected with the overflow valve cavity 26, the oil discharge outlet cavity 24 and the overflow valve cavity
26 connections.
The conduct of the steel ball I 9 inlet one-way valve core, the steel ball II 10, the conduct Outlet check valves core of volute spring 11, two
A nonreturn valve core is vertically and horizontally arranged and is connected and is integrated in the pump housing 8 respectively.
14 both sides of spout hole spool are respectively equipped with 1 sealing ring, and during oil suction, fluid flows between two sealing rings.
During oil suction, handle 4 is lifted, the stretching of cylinder rod 6 makes steel ball I 9 put I cavity 22 of steel ball formation negative pressure, at this time steel ball I
9 leave I cavity 22 of steel ball, and fluid enters cylinder barrel 7；
During oil extraction, handle 4 is depressed, the retraction of cylinder rod 6 makes steel ball I 9 put the formation sealing of I cavity 22 of steel ball, at this time cylinder barrel 7
Middle fluid is discharged by steel ball II 10, and can adjust oil extraction pressure, spout hole spool 14, spiral bullet by being screwed into 16 depth of silk plug
Spring 15, silk plug 16 form overflow valve, and oil extraction pressure is set by overflow valve, and pressure is more than overflow setting value, can pass through inlet port sky
21 oil return of chamber.
During pressurize, the steel ball I 9 is used as inlet one-way valve core, and the steel ball II 10, volute spring 11 are unidirectional as outlet
Spool, two nonreturn valve cores are vertically and horizontally arranged and connected respectively to be integrated in the pump housing, forms dual-seal pair, pressurize can
It leans on.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (3)
1. a kind of manual pump, including the pump housing (8), pulling plate (2), handle (4), cylinder rod (6), cylinder barrel (7), it is characterised in that：Institute
It states pulling plate (2) one end and is articulated with the connecting plate (1) being fixed on the pump housing (8), the other end and the hand of the pulling plate (2)
Handle (4) is hinged, and the cylinder rod (6) is hinged with the handle (4), and one end and the pump housing (8) screw thread of the cylinder barrel (7) connect
It connects, the cylinder rod (6) moves reciprocatingly in the cylinder barrel (7)；
After the cylinder barrel (7) is spirally connected with the pump housing (8), cylinder barrel (7) bottom is opened respectively to the pump housing (8) internal direction
Hydraulic fluid port cavity (23) and a cavity (22) that steel ball I (9) can be accommodated are set out, I cavity of steel ball (22) is thrown in the horizontal plane
The circle that shadow is formed includes or is inscribed within the circle that the cylinder barrel (7) bottom outer-edge projects formation in the horizontal plane, the pump housing (8) bottom
End opens up inlet port threaded hole (17), and inlet port threaded hole (17) depths opens up inlet port cavity (21), and the steel ball I is empty
Chamber (22) is connected with the inlet port cavity (21)；
The pump housing (8) antetheca opens up oil discharge outlet threaded hole (18), and oil discharge outlet threaded hole (18) depths opens up oil discharge outlet sky
Chamber (24), the oil discharge outlet threaded hole (18) with end straight coupling body (12) is threadedly coupled, the end straight coupling body (12) and
Volute spring (11) and steel ball II (10) are equipped between the oil discharge outlet cavity (24) successively；
The pump housing (8) antetheca also opens up oil sealing threaded hole (19), and oil sealing threaded hole (19) depths opens up oil sealing cavity
(25), the oil sealing threaded hole (19) is threadedly coupled with plug screw (13)；
The pump housing (8) side wall opens up overflow valve threaded hole (20), and overflow valve threaded hole (20) depths opens up overflow valve sky
Chamber (26), the overflow valve threaded hole (20) are threadedly coupled with silk plug (16), the overflow valve cavity (26) and silk plug (16) it
Between successively be equipped with overflow spool (14) and helical spring (15)；
The oil sealing cavity (25) connects with the overflow valve cavity (26), the oil sealing cavity (25) and the inlet port cavity
(21) connect, the oil outlet cavity (23) connects with the overflow valve cavity (26), the oil discharge outlet cavity (24) with it is described
Overflow valve cavity (26) connects.
2. manual pump according to claim 1, it is characterised in that：The steel ball I (9) is described as inlet one-way valve core
As Outlet check valves core, two nonreturn valve cores vertically and horizontally and are connected integrated respectively for steel ball II (10), volute spring (11)
In the pump housing (8).
3. manual pump according to claim 1, it is characterised in that：Spout hole spool (14) both sides are respectively equipped with 1
Sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689608.5U CN207538988U (en) | 2017-12-07 | 2017-12-07 | A kind of manual pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689608.5U CN207538988U (en) | 2017-12-07 | 2017-12-07 | A kind of manual pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538988U true CN207538988U (en) | 2018-06-26 |
Family
ID=62617716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721689608.5U Expired - Fee Related CN207538988U (en) | 2017-12-07 | 2017-12-07 | A kind of manual pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207538988U (en) |
-
2017
- 2017-12-07 CN CN201721689608.5U patent/CN207538988U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |