CN204113563U - A kind of plunger pump - Google Patents
A kind of plunger pump Download PDFInfo
- Publication number
- CN204113563U CN204113563U CN201420472246.4U CN201420472246U CN204113563U CN 204113563 U CN204113563 U CN 204113563U CN 201420472246 U CN201420472246 U CN 201420472246U CN 204113563 U CN204113563 U CN 204113563U
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- CN
- China
- Prior art keywords
- plunger
- oil
- lining
- gap
- plunger pump
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- 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 relates to the plunger pump that a kind of plunger pump carrying liquid, particularly a kind of structure are simple, Liquid transfer efficiency is higher.Plunger pump described in the utility model, comprises plunger, lining, Returnning spring, inlet one-way valve, is provided with pressure chamber between described plunger and lining, described lining is provided with out oil groove, described go out oil groove outlet port be provided with Outlet check valves, its structural feature is, described plunger outer diameter was provided with oil-gap, described oil-gap of crossing communicates with pressure chamber, described inlet one-way valve is connected with mistake oil-gap, and described plunger contains spring support, and described Returnning spring is connected with lining with spring support respectively.Plunger pump structure described in the utility model is simple, and easily, plunger cavity volume sealability is higher in assembling.
Description
Technical field
The utility model relates to the plunger pump that a kind of plunger pump carrying liquid, particularly a kind of structure are simple, Liquid transfer efficiency is higher.
Background technique
Institute's use plunger pump in the anti-braking system of existing automobile anti-lock braking, is generally radial plunger pump.In this type of plunger pump structure, usually on plunger, process radial and axial oil-through hole, and establish inlet one-way valve, inlet one-way valve seat and seal element in axial oil-through hole outlet port.Such as, a kind of plunger pump for Liquid transfer disclosed in patent CN101454567A, one end of its plunger is provided with inlet one-way valve, and inlet one-way valve comprises closure member, the holding device of the spring element that resets for closure member, supported spring element and and the sealing area that is wholely set of holding device.The axial oil-through hole that its plunger is provided with and closure member are sealed and matched.The deficiency that this plunger pump exists is mainly: 1, plunger rod is processed radial and axial oil-through hole, the burr running through oilhole needs special equipment to remove, to consume cost higher; 2, inlet one-way valve is placed in active chamber that cylinder barrel element and plunger formed, Assembly of the parts difficulty is increased, and the build-up tolerance accumulation formed during the assembling of each component is larger; 3, whole plunger pump structure is complicated, and number of components is more, and manufacture process requirement is higher, and cost is more expensive.In addition, in the pressure chamber of plunger pump, plunger outer diameter is provided with the seal element contacted with cylinder barrel element.When plunger chamber pressure raises, seal element produces mobile, then causes closed cavity volume volume to become large, thus system transfusion efficiency is reduced.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, low cost of manufacture and the high plunger pump of transfusion efficiency.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of plunger pump of architecture advances, comprise plunger, lining, Returnning spring, inlet one-way valve, described plunger at one end is connected with motor, the other end is arranged in lining, pressure chamber is provided with between described plunger and lining, described lining is provided with out oil groove, described go out oil groove outlet port be provided with Outlet check valves, its structural feature is, described plunger outer diameter was provided with oil-gap, described oil-gap of crossing communicates with pressure chamber, described inlet one-way valve is connected with mistake oil-gap, described plunger contains spring support, described Returnning spring is connected with lining with spring support respectively.
As preferably, described plunger outer diameter is provided with star seal ring, and its object arranged is, avoids plunger directly contact with the housing of plunger pump in movement process and rub.
As preferably, between described mistake oil-gap and inlet one-way valve, be provided with filter screen.Filter screen can impurity in filtering fluid, ensures the oil cleanliness in feed pressure chamber.
As preferably, described plunger outer diameter is provided with the guide sleeve contacted mutually with lining, and described guide sleeve is provided with and the oil-through hole crossed oil-gap and active chamber and communicate.Wherein, guide sleeve motion of plunger play the guiding role, and plunger also can be avoided directly to contact with lining in movement process and rub simultaneously, lining or plunger then can be protected not damaged.In addition, arranging of oil-through hole can ensure the unimpeded of whole oil circuit.
The utility model compared with the existing technology has the following advantages and effect: 1, inlet one-way valve was arranged at oil-gap place, can reduce the component processed and prepare needed for plunger pump, reduces manufacture cost; 2, whole plunger pump structure is simple, and assembling easily; 3, plunger cavity volume is without seal element, but sealability is higher, can improve the transfusion efficiency of plunger.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment 1;
Label declaration: 1, inlet one-way valve; 2, plunger; 3, star seal ring; 4, lining; 5, filter screen; 6, oil-through hole; 7, guide sleeve; 8, oil-gap is crossed; 9, Returnning spring; 10, oil groove is gone out; 11, Outlet check valves; 12, spring support; 13, pressure chamber.
Embodiment
Be described in further detail the utility model below in conjunction with embodiment, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment 1: as shown in Figure 1, the plunger pump of a kind of architecture advances described in the utility model, comprise plunger 2, lining 4, Returnning spring 9, inlet one-way valve 1, described plunger 2 one end is connected with motor, the other end is arranged in lining 4, pressure chamber 13 is provided with between described lining 4 and plunger 2, described lining 4 is provided with out oil groove 10, described go out oil groove 10 outlet port be provided with Outlet check valves 11, described plunger 2 external diameter was provided with oil-gap 8, described plunger 2 is provided with the guide sleeve 7 contacted with lining 4, described guide sleeve 7 is provided with the oil-through hole 6 communicated with pressure chamber 13 and mistake oil-gap 8, described plunger 2 is containing spring support 12, described Returnning spring 9 receives spring support 12 and lining 4 respectively, described inlet one-way valve 1 is connected with mistake oil-gap 8.The external diameter of described plunger 2 is provided with star seal ring 3, and described mistake between oil-gap 8 and inlet one-way valve 1 is provided with filter screen 5.The setting of described guide sleeve 7 can play the guiding role to the motion of plunger 2, plunger 2 also can be avoided to contact and friction with the direct of lining 4 in reciprocating process simultaneously.Though the active chamber of plunger pump is without seal element, sealability is higher, can improve the system transfer efficiency of plunger pump.Particularly, when the Seal cage pressure of plunger 2 reduces, Outlet check valves 11 is closed, and inlet one-way valve 1 is opened, and fluid can enter oil-gap 8 from inlet one-way valve 1, then feed pressure chamber 13, when the Seal cage pressure of plunger 2 raises, inlet one-way valve 1 is closed, and Outlet check valves 11 is opened, fluid can flow into Outlet check valves 11 along the oil groove 10 that goes out of lining 4, then realizes the conveying of fluid.
In addition, it should be noted that, the specific embodiment described in this specification, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (5)
1. a plunger pump, comprise plunger (2), lining (4), Returnning spring (9), inlet one-way valve (1), pressure chamber (13) is provided with between described plunger (2) and lining (4), described lining (4) is provided with out oil groove (10), described go out oil groove (10) outlet port be provided with Outlet check valves (11), it is characterized in that, described plunger (2) external diameter was provided with oil-gap (8), described oil-gap (8) of crossing communicates with described pressure chamber (13), described plunger (2) is containing spring support (12), described Returnning spring (9) receives spring support (12) and lining (4) respectively, described inlet one-way valve (1) is connected with mistake oil-gap (8).
2. plunger pump according to claim 1, is characterized in that, described plunger (2) external diameter is provided with star seal ring (3).
3. plunger pump according to claim 1, is characterized in that, described mistake between oil-gap (8) and inlet one-way valve (1) is provided with filter screen (5).
4. plunger pump according to claim 1, is characterized in that, described plunger (2) external diameter is provided with the guiding device (7) contacted with lining (9).
5. plunger pump according to claim 4, is characterized in that, described guiding device (7) is provided with the oil-through hole (6) communicated with mistake oil-gap (8) and pressure chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472246.4U CN204113563U (en) | 2014-08-20 | 2014-08-20 | A kind of plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472246.4U CN204113563U (en) | 2014-08-20 | 2014-08-20 | A kind of plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113563U true CN204113563U (en) | 2015-01-21 |
Family
ID=52330879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472246.4U Expired - Fee Related CN204113563U (en) | 2014-08-20 | 2014-08-20 | A kind of plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196695A (en) * | 2014-08-20 | 2014-12-10 | 浙江万向精工有限公司 | Plunger pump |
| CN107816432A (en) * | 2017-09-30 | 2018-03-20 | 简式国际汽车设计（北京）有限公司 | A kind of plunger pump |
-
2014
- 2014-08-20 CN CN201420472246.4U patent/CN204113563U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196695A (en) * | 2014-08-20 | 2014-12-10 | 浙江万向精工有限公司 | Plunger pump |
| CN107816432A (en) * | 2017-09-30 | 2018-03-20 | 简式国际汽车设计（北京）有限公司 | A kind of plunger pump |
| CN107816432B (en) * | 2017-09-30 | 2019-11-19 | 简式国际汽车设计（北京）有限公司 | A kind of plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150121 Termination date: 20190820 |