CN205689403U - A kind of valve plate for piston pump - Google Patents
A kind of valve plate for piston pump Download PDFInfo
- Publication number
- CN205689403U CN205689403U CN201620520273.3U CN201620520273U CN205689403U CN 205689403 U CN205689403 U CN 205689403U CN 201620520273 U CN201620520273 U CN 201620520273U CN 205689403 U CN205689403 U CN 205689403U
- Authority
- CN
- China
- Prior art keywords
- groove
- valve plate
- piston pump
- oil
- window
- 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
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of valve plate for piston pump, solve valve plate for piston pump and the housing place of cooperation inhale and, cause the problem that valve plate for piston pump increases abrasion with housing, its drip irrigation device is: include reverse side, reverse side is provided with outer annular groove, the first groove of bar shaped it is additionally provided with on reverse side, second groove of bar shaped and interior annular groove, first groove and the second groove are all provided with several along the diametric(al) of valve plate for piston pump and interconnect with outer annular groove respectively, the internal diameter of interior annular groove less than outer annular groove internal diameter and interconnects with the second groove, a kind of valve plate for piston pump of the present utility model, ensure that valve plate for piston pump in use will not be with housing adhesive, ensure that valve plate for piston pump reduces abrasion with housing.
Description
Technical field
This utility model relates to a kind of oil distribution casing, particularly to a kind of valve plate for piston pump.
Background technology
Plunger displacement pump is an important device of hydraulic system.It relies on plunger to move back and forth in cylinder body, makes seal operation
The volume of cavity volume changes and realizes oil suction, force feed.Oil distribution casing, in hydraulic motor or pump, plays height oil circuit distributional effects,
Make in motor or pump, during hydraulic oil effect, export moment of torsion, during low pressure oil (oil return), in the plunger cavity stopping output moment of torsion
Hydraulic oil is discharged.
In existing patent, the Chinese patent of Publication No. CN201080901, the oil distribution casing in a kind of axial plunger pump, it
Including the hole in disk body and disk body, oil suction window, oil extraction window and be located at the damping trough between precommpression district and oil extraction window, be located at suction
Damping trough between oil window and preexpanding district, has damping trough between precommpression district and the oil suction window of oil distribution casing.At oil distribution casing
Increase a damping trough between precommpression district and oil suction window, allow the oil extraction window of the cylinder body cylinder holes hydraulic oil at top dead-centre and oil distribution casing
Link up in advance, make the hydraulic oil in cylinder holes obtain abundant precommpression from oil suction window to oil extraction window rotation process, close to be raised to
The oil pressure of oil extraction window.Avoid bigger hydraulic shock when the hydraulic oil in cylinder holes and oil extraction window are fully switched on, thus drop
The low noise of pump.
Although this valve plate for piston pump can play the effect reducing noise, but in use due to the work of atmospheric pressure
With, valve plate for piston pump and the housing place of cooperation can be caused to inhale and, after its phenomenon is similar to have water between coin and glass, do not allow
Easily both are separated, when food tray occurs this adhesive phenomenon, cause valve plate for piston pump to increase abrasion with housing.
Utility model content
The purpose of this utility model is to provide a kind of valve plate for piston pump, it is ensured that valve plate for piston pump in use will not be with
Housing adhesive, valve plate for piston pump reduces abrasion with housing.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of valve plate for piston pump, including reverse side, described reverse side is provided with outer annular groove, and described reverse side is additionally provided with bar shaped
The first groove, the second groove of bar shaped and interior annular groove, described first groove and the second groove are all along valve plate for piston pump
Diametric(al) is provided with several and interconnects with outer annular groove respectively, the internal diameter of described interior annular groove less than outer annular groove internal diameter and
Interconnect with the second groove.
Using such scheme, the first groove, the second groove all interconnect with outer annular groove, the second groove also with annular
Groove connects, and when reverse side contacts with housing, valve plate for piston pump will not make valve plate for piston pump and shell because of under the effect of oil
Body is in close contact, and causes the pressure between valve plate for piston pump and housing to reduce, and the pressure compound plunger displacement pump of outside air is joined
Pressure between food tray and housing, causes valve plate for piston pump and can fit tightly the asking of friction increasing valve plate for piston pump
Topic, has the first groove, the second groove between valve plate for piston pump and housing, now oil can be from the first groove and the second groove stream
To the outside, make the atmospheric pressure between valve plate for piston pump with housing keep consistent with extraneous, reduce rubbing of valve plate for piston pump
Wiping power, reduces noise when valve plate for piston pump uses simultaneously.
As preferably, described valve plate for piston pump includes oil suction window, described oil suction window are that long waist shaped is arranged.
Use such scheme, oil suction window be long waist shaped arrange, in use, it is ensured that oil suction window can preferably oil suction, with
The oil suction window using rectangle is compared, and the oil suction window of rectangle can cause the phenomenon of leakage of oil during oil suction, makes the oil suction window can not
Lasting, complete oil suction.
As preferably, described valve plate for piston pump also includes some oil extraction windows, described oil extraction window are that long waist shaped is arranged, if
Dry described oil extraction window is all uniformly arranged along the circumferential direction of valve plate for piston pump.
Use such scheme, oil extraction window be long waist shaped arrange, in use, it is ensured that oil extraction window can preferably oil extraction, with
The oil extraction window using rectangle is compared, and the oil extraction window of rectangle can cause the phenomenon of leakage of oil during oil extraction, makes the oil extraction window can not
Lasting, complete oil suction.
As preferably, also including that front, described front are provided with inner groovy, described inner groovy is that long waist shaped is arranged, described interior
Groove all interconnects with oil extraction window.
Use such scheme, the setting of inner groovy, make oil extraction window during oil extraction, will not big because of oil extraction window
Little, cause the phenomenon of oil splashing, the oil that oil extraction window is got rid of is collected, then carries out collective's discharge by inner groovy.
As preferably, the waist of described inner groovy is wider than the waist width of oil extraction window.
Using such scheme, the waist that indent is surveyed is wider than the waist width of oil extraction window, makes oil extraction window when oil extraction, is not on straight
Oil extraction mode under Zhi, but elder generation's submergence inner groovy when oil extraction, carrying out collective's eliminating, and usability is strong.
As preferably, described front being additionally provided with the first damping trough, described first damping trough is that semicircle shape is arranged, and described the
One damping trough is arranged at oil suction window two ends and all interconnects with oil suction window.
Using such scheme, the first damping trough interconnects with oil suction window, makes oil suction window when oil suction, has one to guide
Notch, it is ensured that during oil suction, decreases vibrations, reduces noise simultaneously.
As preferably, described front is additionally provided with the first triangular groove, described first triangular groove and one of them first damping
Groove interconnects.
Use such scheme, the first triangular groove make the oil of two blades before being introduced into laminated oil zone, just by the first triangle
Groove is connected with pressure oil, by the damping action of the first triangular groove, makes pressure be gradually increasing, thus slow down flow and pressure arteries and veins
Dynamic, and reduce noise.
As preferably, described front being additionally provided with the second damping trough, described second damping trough is that semicircle shape is arranged, and described the
Two damping troughs are arranged at oil extraction window two ends and all interconnect with inner groovy.
Using such scheme, the second damping trough interconnects with oil extraction window, makes oil extraction window when oil extraction, has one to guide
Notch, it is ensured that during oil extraction, decreases vibrations, reduces noise simultaneously.
As preferably, described front is additionally provided with the second triangular groove, described second triangular groove and one of them second damping
Groove interconnects, and described first triangular groove and the second triangular groove connect setting in head and the tail, are additionally provided with in described second triangular groove
Silencing groove.
Use such scheme, the second triangular groove make the oil of two blades before being introduced into laminated oil zone, just by the second triangle
Groove is connected with pressure oil, by the damping action of the second triangular groove, makes pressure be gradually increasing, thus slow down flow and pressure arteries and veins
Dynamic, and reduce noise, arranging of silencing groove can make oil discharge smoothly, also add the effect of noise reduction.
As preferably, the surface of described valve plate for piston pump is equipped with electrodeposited coating.
Use such scheme, there is the valve plate for piston pump of electrodeposited coating, improve the corrosion resisting property of valve plate for piston pump, carry
The high protection of valve plate for piston pump, decoration performance, can also repair metal parts size simultaneously, and electrodeposited coating also can give certain
Certain special function of goods, practical.
In sum, this utility model has the advantages that
1, valve plate for piston pump decreases friction in use, reduces noise；
2, valve plate for piston pump has corrosion resistance, can also repair the size of metal parts simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation in front in valve plate for piston pump；
Fig. 2 is the structural representation of reverse side in valve plate for piston pump；
Fig. 3 is the enlarged diagram in A-A portion in Fig. 1；
Fig. 4 is the enlarged diagram in B-B portion in Fig. 2；
Fig. 5 is the sectional view of valve plate for piston pump C-C in Fig. 2.
In figure: 1, reverse side；2, outer annular groove；3, the first groove；4, the second groove；5, oil suction window；6, oil extraction window；7, just
Face；8, the first damping trough；9, the first triangular groove；10, the second damping trough；11, the second triangular groove；12, silencing groove；13, inner groovy；
14, inside-and-outside ring groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As it is shown in figure 1, a kind of valve plate for piston pump disclosed in the present embodiment, including reverse side 1, reverse side 1 is provided with outer ring
Groove 2, reverse side 1 is additionally provided with first groove the 3, second groove 4 and interior annular groove 14, and the first groove 3 and the second groove 4 are all along plunger
The diametric(al) of pump oil distribution casing is provided with several, and first groove the 3, second groove 4 all interconnects with outer annular groove 2, Ruo Gan
Two grooves 4 interconnect with the first groove 3, and interior annular groove 14 interconnects with the second groove 4.
As it is shown in figure 1, there is outer annular groove 2 on the front 7 of valve plate for piston pump, outer annular groove 2 is used for coordinating with housing,
The front 7 of valve plate for piston pump also the first groove 3 ringwise uniformly permutation have six, six the first grooves 3 are all and outer ring
Groove 2 interconnects, and the second groove 4 is provided with two, and the second groove 4 all interconnects with outer annular groove 2, two the second grooves 4
It is on a branch line, and two in two the second grooves 4 and six the first grooves 3 are on straight line.
As shown in Figure 1, 2, the oil suction window 5 in valve plate for piston pump has one, and oil extraction window 6 has three, three oil extraction windows 6
With a mutually symmetrical with setting of oil suction window 5, the mobility making oil body is more smooth, and reduces noise, it is ensured that plunger pump oil distribution
Quietness when dish uses.
As in Figure 2-4, the reverse side 1 of valve plate for piston pump is provided with two the first damping troughs 8, two the first damping troughs 8
Being respectively arranged at the two ends of oil suction window 5, the bowl-shape setting in semicircle of the first damping trough 8, the flowing of convenient oil, the second damping trough 10 sets
Putting and also have two, two the second damping troughs 10 are respectively arranged at the two ends of inner groovy 13, and the second damping trough 10 is also bowl-shape in semicircle
Arrange, facilitate the mobile performance of oil.
As in Figure 2-4, the reverse side 1 of valve plate for piston pump is provided with first triangular groove 9 and second triangular groove
11, the first triangular groove 9 interconnects with first damping trough 8 of one end, and the second triangular groove 11 is mutual with second damping trough 10 of one end
Being connected, the first triangular groove 9 is not oppositely arranged with the second triangle, and the first triangular groove 9 is connected setting with the second triangular groove 11 head and the tail,
And first the most advanced and sophisticated place of triangular groove 9 away from oil suction window 5, the most advanced and sophisticated place of the second triangular groove 11 is away from oil extraction window 6.
Such as Fig. 2, shown in 5, the reverse side 1 of valve plate for piston pump is provided with an inner groovy 13 and arranges, and corresponding with oil suction window 5
Arranging, three oil extraction windows 6 are wrapped in inner groovy 13 by inner groovy 13, and the waist of inner groovy 13 is wider than the waist width of oil extraction window 6,
Make oil extraction window 6 when oil extraction, be not oil extraction mode straight up and down, but elder generation's submergence inner groovy 13 when oil extraction, carrying out
Collective is got rid of, and usability is strong.
As shown in Figure 2,4, silencing groove 12 is arranged at the second triangular groove 11 tip, and arranging of silencing groove 12 can make oil stream
Enter in silencing groove 12, so that valve plate for piston pump reduces noise in use.Electrodeposited coating it is equipped with in valve plate for piston pump.Electricity
During plating, coated metal does anode, is oxidized to cation and enters electroplate liquid；Metallic article to be plated does negative electrode, coated metal
Cation is reduced formation coating in metal surface.The purpose of plating is to plate the coat of metal on base material, changes substrate surface
Character or size, the corrosion resistant metal of the many employings of coated metal, plating can strengthen the corrosion resistance of metal, increase hardness, prevent
Abrasion, raising electric conductivity, lubricity, thermostability and surface aesthetic.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. a valve plate for piston pump, including reverse side (1), described reverse side (1) is provided with outer annular groove (2), it is characterized in that: described
The second groove (4) and the interior annular groove (14) of first groove (3) of bar shaped, bar shaped, described first groove it is additionally provided with on reverse side (1)
(3) all it is provided with several along the diametric(al) of valve plate for piston pump with the second groove (4) to be connected mutually with outer annular groove (2) respectively
Logical, the internal diameter of described interior annular groove (14) less than outer annular groove (2) internal diameter and interconnects with the second groove (4).
A kind of valve plate for piston pump the most according to claim 1, is characterized in that: described valve plate for piston pump includes oil suction window
(5), described oil suction window (5) is arranged in long waist shaped.
A kind of valve plate for piston pump the most according to claim 2, is characterized in that: if also including in described valve plate for piston pump
Dry oil extraction window (6), described oil extraction window (6) is arranged in long waist shaped, and some described oil extraction windows (6) are all along the annular of valve plate for piston pump
Direction is uniformly arranged.
A kind of valve plate for piston pump the most according to claim 3, is characterized in that: also include front (7), described front (7)
Being provided with inner groovy (13), described inner groovy (13) is arranged in long waist shaped, and described inner groovy (13) is connected the most mutually with oil extraction window (6)
Logical.
A kind of valve plate for piston pump the most according to claim 4, is characterized in that: the waist of described inner groovy (13) is wider than row
The waist width of oil window (6).
A kind of valve plate for piston pump the most according to claim 4, is characterized in that: be additionally provided with first on described front (7) and subtract
Shake groove (8), described first damping trough (8) is arranged in semicircle shape, described first damping trough (8) be arranged at oil suction window (5) two ends and
All interconnect with oil suction window (5).
A kind of valve plate for piston pump the most according to claim 6, is characterized in that: described front is additionally provided with the one or three on (7)
Chamfered groove (9), described first triangular groove (9) interconnects with one of them first damping trough (8).
A kind of valve plate for piston pump the most according to claim 4, is characterized in that: be additionally provided with second on described front (7) and subtract
Shake groove (10), described second damping trough (10) is arranged in semicircle shape, and described second damping trough (10) is arranged at oil extraction window (6) two ends
And all interconnect with inner groovy (13).
A kind of valve plate for piston pump the most according to claim 7, is characterized in that: described front is additionally provided with the two or three on (7)
Chamfered groove (11), described second triangular groove (11) interconnects with one of them second damping trough (10), and described first triangular groove
(9) it is connected setting with the second triangular groove (11) in head and the tail, in described second triangular groove (11), is additionally provided with silencing groove (12).
A kind of valve plate for piston pump the most according to claim 1, is characterized in that: the surface of described valve plate for piston pump sets
There is electrodeposited coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520273.3U CN205689403U (en) | 2016-05-31 | 2016-05-31 | A kind of valve plate for piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520273.3U CN205689403U (en) | 2016-05-31 | 2016-05-31 | A kind of valve plate for piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689403U true CN205689403U (en) | 2016-11-16 |
Family
ID=57263483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520273.3U Expired - Fee Related CN205689403U (en) | 2016-05-31 | 2016-05-31 | A kind of valve plate for piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653636A (en) * | 2021-08-30 | 2021-11-16 | 北京航空航天大学宁波创新研究院 | Oil distribution disc of hydraulic plunger pump and plunger pump |
-
2016
- 2016-05-31 CN CN201620520273.3U patent/CN205689403U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653636A (en) * | 2021-08-30 | 2021-11-16 | 北京航空航天大学宁波创新研究院 | Oil distribution disc of hydraulic plunger pump and plunger pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104380534B (en) | Cavity filter, connector and corresponding manufacturing process | |
| CN205689403U (en) | A kind of valve plate for piston pump | |
| CN201209542Y (en) | Plunger piston | |
| CN204921361U (en) | Long -life is slide bearing for gear pump | |
| CN203325624U (en) | Novel neodymium iron boron magnet | |
| CN201365769Y (en) | Stainless steel health care cup | |
| CN203530466U (en) | Electroplating roller | |
| CN210565033U (en) | Novel runner axial plunger pump | |
| CN208518880U (en) | A kind of rotor of engine oil pump | |
| CN203162517U (en) | Nickel alloy pipe | |
| CN206015127U (en) | A kind of adapter gold-plated cylinder of contact | |
| CN200955410Y (en) | Bearing cover device | |
| CN209083887U (en) | A kind of hydraulic bjuffer tail plug structure | |
| CN214485539U (en) | Climbing hook easy to open | |
| CN204755152U (en) | Diesel injector copper sheathing | |
| CN205154655U (en) | Vertical multi -stage centrifugal pump | |
| CN209966001U (en) | Assembled brook tea tray | |
| CN101655197A (en) | Improved LED bulb | |
| CN204332630U (en) | Weld improved-type SMT inductance coil | |
| CN204738899U (en) | Energy -conserving diesel injector copper sheathing | |
| CN214627545U (en) | Mobile phone transformer with simple structure | |
| CN202597083U (en) | Axial plunger pump with circulating oil passage | |
| CN207800751U (en) | A kind of tooling for storage battery acidification mold | |
| CN210106415U (en) | Slider external circulation ware containing metal framework | |
| CN202381330U (en) | High pressure shell blast preventing gear pump body |
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 |
Granted publication date: 20161116 Termination date: 20200531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |