CN204628133U - Hydraulic control valve and Pilot operated check valve - Google Patents
Hydraulic control valve and Pilot operated check valve Download PDFInfo
- Publication number
- CN204628133U CN204628133U CN201520150003.3U CN201520150003U CN204628133U CN 204628133 U CN204628133 U CN 204628133U CN 201520150003 U CN201520150003 U CN 201520150003U CN 204628133 U CN204628133 U CN 204628133U
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- valve
- valve body
- oil circuit
- hydraulic control
- vibration
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Abstract
The utility model relates to valve field, the Pilot operated check valve that particularly a kind of vibration-absorbing denoising is effective.Hydraulic control valve, it comprises valve body, and the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, be provided with the oil circuit being communicated with filler opening and oil outlet in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.The utility model is optimized by the surface structure of the oil circuit to hydraulic control valve and the surface structure of hydraulic control valve, controls the vibration & noise reducing hydraulic control valve, improves the working stability of hydraulic control valve, is also conducive to the volume controlling hydraulic control valve.
Description
Technical field
The utility model relates to valve field, the Pilot operated check valve that particularly a kind of vibration-absorbing denoising is effective.
Background technique
Existing hydraulic control valve exists liquid, and to spring up phenomenon not high at one-tenth controllable precision, and the difficult problem that the hydraulic control valve noise brought out by cavitation phenomenon is larger, when causing valve body work, chatter is relatively serious, is badly in need of improving valve body structure design, lifting hydrovalve job stabilization.Traditional method realizes vibration-absorbing denoising by carrying out shape and structure optimization to hydraulic pressure oil duct.But its noise reduction is subject to the restriction usually receiving hydrovalve volume.
Summary of the invention
The utility model is for the deficiencies in the prior art, be optimized by the surface structure of the oil circuit to hydraulic control valve and the surface structure of hydraulic control valve, control the vibration & noise reducing hydraulic control valve, improve the working stability of hydraulic control valve, be also conducive to the volume controlling hydraulic control valve.
The technical solution of the utility model is as follows:
Hydraulic control valve, it comprises valve body, and the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, be provided with the oil circuit being communicated with filler opening and oil outlet in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.
Described vibration absorbing structure comprises and is uniformly arranged on convex closure structure on oil circuit wall or sunk structure.
Described convex closure structure is the convex closure structure of ball-type or the convex closure structure of spheroid shape.
Described sunk structure is the sunk structure of rhombus pit.
The Surface coating of one-way valve has vibration-absorbing denoising layer, and described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, and the outer surface of described layer body is uniform is provided with micropore.
A kind of Pilot operated check valve, it comprises valve body, the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, the oil circuit being communicated with filler opening and oil outlet is provided with in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.
Described vibration absorbing structure comprises and is uniformly arranged on convex closure structure on oil circuit wall or sunk structure, and described convex closure structure is the convex closure structure of ball-type or the convex closure structure of spheroid shape, and described sunk structure is the sunk structure of rhombus pit.
Described spool mechanism comprises on valve body and is provided with slideway, is provided with nonreturn valve core, is provided with small valve core in nonreturn valve core, valve body is provided with the upper end cap sealed sliding sleeve in slideway, is provided with the spring connecting upper end cap and small valve core in nonreturn valve core.
The bottom of described valve body is provided with the second slideway, is provided with control piston in the second slideway, and described valve body is provided with lower end cap, lower end cap is provided with control oilhole.
The Surface coating of one-way valve has vibration-absorbing denoising layer, and described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, and the outer surface of described layer body is uniform is provided with micropore.
The beneficial effects of the utility model:
The utility model reduces the vibration of the hydraulic control valve that running of hydraulic power oil causes by the vibration absorbing structure arranged oil circuit inwall, thus noise when controlling hydraulic control valve work, further also improve the working stability of hydraulic control valve, simultaneously coated in the outside of valve body vibration-absorbing denoising layer, vibration-absorbing denoising layer effectively weakens the noise that hydrovalve produces, and improves the muting function that hydraulic control valve is run.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the oil circuit inwall of mode of execution one;
Fig. 3 be the oil circuit inwall of mode of execution two and Ei purchase schematic diagram;
Fig. 4 is the structural representation of vibration-absorbing denoising layer;
In figure, 1 is lower end cap, and 2 is valve body, and 3 is spring, and 4 is upper end cap, and 5 is vibration-absorbing denoising layer, 6 is nonreturn valve core, and 7 is small valve core, and 8 is control piston, and 9 is oil circuit inwall, and 10 is sunk structure, 11 is convex closure structure, and 12 is micropore, and 13 is layer body, and 14 is the second slideway, and 15 is slideway.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Hydraulic control valve, it comprises valve body, and the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, be provided with the oil circuit being communicated with filler opening and oil outlet in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.
Described vibration absorbing structure comprises and is uniformly arranged on convex closure structure on oil circuit wall or sunk structure.
Described convex closure structure is the convex closure structure of ball-type or the convex closure structure of spheroid shape.
Described sunk structure is the sunk structure of rhombus pit.
Above-mentioned convex closure structure or sunk structure are arranged on the wall of oil circuit, when hydraulic oil flows in oil circuit, convex closure structure or sunk structure can form secondary vortices at the wall of oil circuit, the secondary vortices that multiple convex closure structure or sunk structure are formed combines and forms secondary vortices group, secondary vortices group forms the state of a low speeds flow at the wall near oil circuit, to run with oil circuit center portion, can not and valve body between produce and directly rub, then reduce due to fluid and the fricative vibration of valve body, thus ensure that hydraulic control valve traveling comfort.
The Surface coating of one-way valve has vibration-absorbing denoising layer, described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, the outer surface of described layer body is uniform is provided with micropore, the vibration-absorbing denoising layer arranged can carry out weak process to the noise that hydrovalve produces, and reduces noise during hydrovalve work.
Exemplarily set forth with Pilot operated check valve below.
Mode of execution one
A kind of Pilot operated check valve as depicted in figs. 1 and 2, it comprises valve body 2, the left end of valve body 2 is provided with filler opening, right-hand member is provided with oil outlet, the oil circuit being communicated with filler opening and oil outlet is provided with in valve body 2, valve body 2 arranges the spool mechanism of oil circuit control break-make, and the inwall of described oil circuit 2 is provided with vibration absorbing structure.
Described vibration absorbing structure comprises and is uniformly arranged on convex closure structure 11 on oil circuit wall or sunk structure 10, and the convex closure structure described in present embodiment is the convex closure structure of ball-type or the convex closure structure of spheroid shape.
Mode of execution two
A kind of Pilot operated check valve as shown in figures 1 and 3, it comprises valve body 2, the left end of valve body 2 is provided with filler opening, right-hand member is provided with oil outlet, the oil circuit being communicated with filler opening and oil outlet is provided with in valve body 2, valve body arranges the spool mechanism of oil circuit control break-make, and the inwall of described oil circuit is provided with vibration absorbing structure.Described sunk structure is the sunk structure 10 of rhombus pit.
The total described spool mechanism of above-mentioned two kinds of mode of executions comprises on valve body and is provided with slideway 15, nonreturn valve core 6 is provided with in slideway 15, small valve core 7 is provided with in nonreturn valve core 6, valve body is provided with the upper end cap 4 that sliding sleeve is sealed, in nonreturn valve core 6, is provided with the spring 3 connecting upper end cap and small valve core.
The bottom of described valve body 2 is provided with the second slideway, is provided with control piston 8 in the second slideway, and described valve body is provided with lower end cap, lower end cap is provided with control oilhole.
Further, the Surface coating of the one-way valve in above-mentioned two kinds of mode of executions has vibration-absorbing denoising layer, and described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, and the outer surface of described layer body is uniform is provided with micropore.
Working procedure of the present utility model:
During Pilot operated check valve work, hydraulic oil enters valve body from oil inlet P 1, and when oil pressure is too high, hydraulic oil promotes nonreturn valve core and moves up, and oil circuit is opened, and hydraulic oil flows out from oil outlet P2.
When the oil outlet P2 of Pilot operated check valve be in oil pressure higher time, nonreturn valve core is closed, oil circuit is obstructed, now need to open Pilot operated check valve, can by passing through high pressure oil at control oilhole K, high pressure oil promotes control piston and moves upward, and control piston promotes small valve core in succession, nonreturn valve core moves upward, thus make oil circuit conducting, achieve the reverse unlatching of one-way valve.
The beneficial effects of the utility model:
The utility model reduces the vibration of the hydraulic control valve that running of hydraulic power oil causes by the vibration absorbing structure arranged oil circuit inwall, thus noise when controlling hydraulic control valve work, further also improve the working stability of hydraulic control valve, simultaneously coated in the outside of valve body vibration-absorbing denoising layer, vibration-absorbing denoising layer effectively weakens the noise that hydrovalve produces, and improves the muting function that hydraulic control valve is run.
Claims (10)
1. hydraulic control valve, it comprises valve body, and the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, be provided with the oil circuit being communicated with filler opening and oil outlet in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.
2. hydraulic control valve according to claim 1, is characterized in that: described vibration absorbing structure comprises and is uniformly arranged on convex closure structure on oil circuit wall or sunk structure.
3. hydraulic control valve according to claim 2, is characterized in that: described convex closure structure is the convex closure structure of ball-type or the convex closure structure of spheroid shape.
4. hydraulic control valve according to claim 2, is characterized in that: described sunk structure is the sunk structure of rhombus pit.
5. the hydraulic control valve according to claim 1-4 any one, it is characterized in that: the Surface coating of one-way valve has vibration-absorbing denoising layer, described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, and the outer surface of described layer body is uniform is provided with micropore.
6. a Pilot operated check valve, it comprises valve body, the left end of valve body is provided with filler opening, right-hand member is provided with oil outlet, the oil circuit being communicated with filler opening and oil outlet is provided with in valve body, valve body arranges the spool mechanism of oil circuit control break-make, it is characterized in that: the inwall of described oil circuit is provided with vibration absorbing structure.
7. a kind of Pilot operated check valve according to claim 6, it is characterized in that: described vibration absorbing structure comprises and is uniformly arranged on convex closure structure on oil circuit wall or sunk structure, described convex closure structure is the convex closure structure of ball-type or the convex closure structure of spheroid shape, and described sunk structure is the sunk structure of rhombus pit.
8. a kind of Pilot operated check valve according to claim 6, it is characterized in that: described spool mechanism comprises on valve body and is provided with slideway, nonreturn valve core is provided with in slideway, small valve core is provided with in nonreturn valve core, valve body is provided with the upper end cap that sliding sleeve is sealed, in nonreturn valve core, is provided with the spring connecting upper end cap and small valve core.
9. a kind of Pilot operated check valve according to claim 6, is characterized in that: the bottom of described valve body is provided with the second slideway, is provided with control piston in the second slideway, and described valve body is provided with lower end cap, lower end cap is provided with control oilhole.
10. a kind of Pilot operated check valve according to claim 6-9 any one, it is characterized in that: the Surface coating of one-way valve has vibration-absorbing denoising layer, described vibration-absorbing denoising layer comprises the layer body of the hollow being coated on one-way valve surface, and the outer surface of described layer body is uniform is provided with micropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150003.3U CN204628133U (en) | 2015-03-16 | 2015-03-16 | Hydraulic control valve and Pilot operated check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150003.3U CN204628133U (en) | 2015-03-16 | 2015-03-16 | Hydraulic control valve and Pilot operated check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628133U true CN204628133U (en) | 2015-09-09 |
Family
ID=54047169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520150003.3U Expired - Fee Related CN204628133U (en) | 2015-03-16 | 2015-03-16 | Hydraulic control valve and Pilot operated check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791317A (en) * | 2015-03-16 | 2015-07-22 | 常州市福记机械有限公司 | Hydraulic control valve and hydraulic control one-way valve |
-
2015
- 2015-03-16 CN CN201520150003.3U patent/CN204628133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791317A (en) * | 2015-03-16 | 2015-07-22 | 常州市福记机械有限公司 | Hydraulic control valve and hydraulic control one-way valve |
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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: 20150909 Termination date: 20160316 |