CN203655760U - Tube type hydraulic control one-way valve - Google Patents
Tube type hydraulic control one-way valve Download PDFInfo
- Publication number
- CN203655760U CN203655760U CN201320865224.XU CN201320865224U CN203655760U CN 203655760 U CN203655760 U CN 203655760U CN 201320865224 U CN201320865224 U CN 201320865224U CN 203655760 U CN203655760 U CN 203655760U
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- Prior art keywords
- hydraulic fluid
- fluid port
- valve
- shaped groove
- valve body
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Abstract
The utility model discloses a tube type hydraulic control one-way valve, which comprises a valve body, wherein a main hole is formed in the valve body; a valve element is arranged in the main hole; a first oil port and a second oil port are formed in the upper end of the valve body; the first oil port and the second oil port are respectively communicated with the main hole; one-way devices are respectively arranged on the left end and the right end of the valve body; a third oil port is formed in the one-way device at the left end of the valve body; a fourth oil port is formed in the one-way device at the right end of the valve body; the third oil port is communicated with the first oil port; the fourth oil port is communicated with the second oil port. According to the tube type hydraulic control one-way valve, the tube type connection is adopted, the one-way valve is directly mounted on an oil cylinder, an oil line block is not needed, and the space is greatly saved.
Description
Technical field
The utility model relates to a kind of Pilot operated check valve, is specifically related to a kind of tubular type Pilot operated check valve.
Background technique
Pilot operated check valve Pilot operated check valve is to rely on to control hydrodynamic pressure, can make the valve of one-way valve reverse circulated.This valve occupies compared with consequence in the hydraulic prop equipment of coal mine machinery.Pilot operated check valve and the common one-way valve difference oil circuit control K that has been many, in the time of oil circuit control access failure pressure oil liquid, Pilot operated check valve is worked as common one-way valve, and pressure oil only flows to oil outlet from filler opening, can not reverse flow.In the time of the input of oil circuit control oil pilot pressure, piston mandril moves right under pressure oil effect, backs down one-way valve with push rod, and oil inlet and outlet is connected.If being greater than filler opening, oil outlet just can make fluid reverse flow.
Existing Pilot operated check valve is generally board-like connection, when it is installed, must on manifold block, install, and has so just increased the boundary dimension of Pilot operated check valve, and it is applied compared with narrow limitation.
Model utility content
The technical problems to be solved in the utility model is: existing Pilot operated check valve is generally board-like connection, uses very limitation, thereby a kind of tubular type Pilot operated check valve is provided.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of tubular type Pilot operated check valve, described one-way valve comprises a valve body, in described valve body, offer a main aperture, in described main aperture, be provided with spool, described valve body upper end is provided with the first hydraulic fluid port and the second hydraulic fluid port, described the first hydraulic fluid port and the second hydraulic fluid port are communicated with main aperture respectively, two ends, described valve body left and right are respectively equipped with a non-return device, on the non-return device of described valve body left end, offer the 3rd hydraulic fluid port, on the non-return device of described valve body right-hand member, offer the 4th hydraulic fluid port, described the 3rd hydraulic fluid port is communicated with the first hydraulic fluid port, and described the 4th hydraulic fluid port is communicated with the second hydraulic fluid port.
In a preferred embodiment of the present utility model, described non-return device comprises a valve pocket, and described valve pocket is connected with valve body two ends respectively by screw thread, and one end of described valve pocket is provided with radial hole, described radial hole is communicated with main aperture, and the described valve pocket the other end is provided with the 3rd hydraulic fluid port or the 4th hydraulic fluid port.
In a preferred embodiment of the present utility model, between described the 3rd hydraulic fluid port or the 4th hydraulic fluid port and radial hole, be provided with spring seat and cone valve, one end of described cone valve is connected with radial hole, the other end of described cone valve is provided with the first U-shaped groove, one end of described spring seat is provided with the second U-shaped groove, described the first U-shaped groove is corresponding with the second U-shaped groove, between described the first U-shaped groove and the second U-shaped groove, be provided with spring, the other end of described spring seat is connected with the 3rd hydraulic fluid port or the 4th hydraulic fluid port, in described spring seat, be provided with through hole, one end of described through hole is communicated with the 3rd hydraulic fluid port or the 4th hydraulic fluid port, the other end of described through hole is communicated with the second U-shaped groove.
In a preferred embodiment of the present utility model, described cone valve is provided with a runner near the cylindrical of the first U-shaped groove, described runner one end and radial hole corresponding matching, and the other end is communicated with the first U-shaped groove.
By technique scheme, the beneficial effects of the utility model are:
The utility model adopts tubular type to connect, and can on oil cylinder, directly install, and does not need manifold block, has greatly saved space.
The utility model is simple in structure, and volume is little, is convenient to processing and installs.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is sectional view of the present utility model;
Fig. 2 is fundamental diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of tubular type Pilot operated check valve that the utility model provides, it comprises a valve body 100, offers a main aperture 110 in valve body 100, offer the first hydraulic fluid port 120 and the second hydraulic fluid port 130, the first hydraulic fluid ports 120 and the second hydraulic fluid port 130 is communicated with main aperture 110 respectively in the upper end of valve body 100.
In main aperture 110, be provided with spool 140, offer groove 141 in the intermediate portion of spool 140 cylindricals, in groove 141, be provided with seal ring 142, can prevent that like this fluid in two chambeies, valve body 100 left and right from linking up.
Each side make a radial groove at groove 141, so both can store the small magazine in fluid, prevent that spool 140 is stuck, can facilitate again spool 140 alignings, under the effect of oil pressure, make the oil film in the cylindrical of spool 140 and the endoporus matching gap of valve body 100 very even, thereby can slow down wearing and tearing, reduce internal leakage.
Be respectively equipped with a non-return device 200 at the two ends, left and right of valve body 100.
Be provided with outer-hexagonal at valve pocket 210 near the cylindrical place of valve body 100, it can be by coordinating and install with hexagon wrench like this.
Be provided with a Gewindefreistiche on the right side of outer-hexagonal, it is for O shape circle 211 is installed, thereby has ensured the sealing between valve pocket 210 and valve body 100.
Offer radial hole 212 in one end of valve pocket 210, be provided with the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214 at the other end of valve pocket 210.
The 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214, it is for the fluid in valve pocket 210 is flowed out.
For the ease of being communicated with between radial hole 212 and the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214, between radial hole 212 and the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214, be provided with endoporus 220.
In endoporus 220, be provided with spring seat 221, spring 222 and cone valve 223.
For the ease of the location of spring seat 221, specifically can in the endoporus of valve pocket 210 220, establish a step, the right flank of spring seat 221 is fixed on step.
One end of spring seat 221 is connected with the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214, and the other end of spring seat 221 is provided with the second U-shaped groove 221a.
For the ease of being communicated with between the second U-shaped groove 221a and the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214, on spring seat 221, offer an interior hexagonal through hole 221b.
The first U-shaped groove 223a is corresponding with the second U-shaped groove 221a, between the first U-shaped groove 223a and the second U-shaped groove 221a, is provided with a spring 222.
Can flow out from the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214 for the ease of the oil flowing in endoporus 220, on cylindrical at cone valve 223 near the first U-shaped groove 223a, be provided with a runner 223b, one end of runner 223b is communicated with radial hole 212, the other end is communicated with the first U-shaped groove 223a, like this, when cone valve 223 is subject to oil pressure, along spring 222 to the left or to the right when displacement, oil in main aperture 110 flow in endoporus 220 by radial hole 212, flow in the first U-shaped groove 223a by runner 223b again, flow into again in the second U-shaped groove 221a, finally flow into the 3rd hydraulic fluid port 213 or the 4th hydraulic fluid port 214 by hexagonal through hole 221b, thereby fluid is flowed out.
Working procedure of the present utility model below:
Referring to Fig. 1 and Fig. 2, when hydraulic oil flows into from the first hydraulic fluid port 120, while outflow from the second hydraulic fluid port 130, Pilot operated check valve is in closed condition, along with the increase of fluid amount, in main aperture 110, flow into the elastic force that oil pressure in radial hole 212 is greater than spring 222 and supports cone valve 223, at this moment cone valve 223 can be moved to the left along spring 223, distance between the first U-shaped groove 223a and the second U-shaped groove 221a can shorten gradually, until the first U-shaped groove 223a contacts with the second U-shaped groove 221a, at this moment the oil in radial hole 212 can flow in the first U-shaped groove 223a by runner 223b, flow into again in the second U-shaped groove 221a, finally flow into the 3rd hydraulic fluid port 213 by hexagonal through hole 221b, thereby fluid is flowed out, at this moment the first hydraulic fluid port 120 is just communicated with the 3rd hydraulic fluid port 213,
In addition, cone valve 223 is in the time being moved to the left along spring 223, also can provide a rebounding force to fluid, at this moment the oil liquid pressure in main aperture 110 also can promote spool 140 and moves right, the cone valve 223 that spool 140 will withstand right-hand member moves right along spring 222, at this moment the oil in main aperture 110 flow in endoporus 220 by radial hole 212, flow in the first U-shaped groove 223a by runner 223b again, flow into again in the second U-shaped groove 221a, finally flow into the 4th hydraulic fluid port 214 by hexagonal through hole 221b, thereby fluid is flowed out, such the 4th hydraulic fluid port 214 is communicated with the second hydraulic fluid port 130.
Otherwise, when hydraulic oil flows into from the second hydraulic fluid port 130, while outflow from the first hydraulic fluid port 130, also the first hydraulic fluid port 120 just can be communicated with the 4th hydraulic fluid port 214 with the 3rd hydraulic fluid port 213 connected sums with the second hydraulic fluid port 130.
By above-mentioned enforcement, the utility model is set directly at two oil outlets at the two ends, left and right of valve body 100, and do not need to be arranged on upper and lower end, then control being communicated with between connected sum the 4th hydraulic fluid port 214 between the first hydraulic fluid port 120 and the 3rd hydraulic fluid port 213 and the second hydraulic fluid port 130 by non-return device 200, like this, the utility model just can directly be installed on oil cylinder, does not need manifold block, has greatly saved space.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a tubular type Pilot operated check valve, described one-way valve comprises a valve body, in described valve body, offer a main aperture, in described main aperture, be provided with spool, described valve body upper end is provided with the first hydraulic fluid port and the second hydraulic fluid port, described the first hydraulic fluid port and the second hydraulic fluid port are communicated with main aperture respectively, it is characterized in that, two ends, described valve body left and right are respectively equipped with a non-return device, on the non-return device of described valve body left end, offer the 3rd hydraulic fluid port, on the non-return device of described valve body right-hand member, offer the 4th hydraulic fluid port, described the 3rd hydraulic fluid port is communicated with the first hydraulic fluid port, and described the 4th hydraulic fluid port is communicated with the second hydraulic fluid port.
2. a kind of tubular type Pilot operated check valve according to claim 1, it is characterized in that, described non-return device comprises a valve pocket, described valve pocket is connected with valve body two ends respectively by screw thread, one end of described valve pocket is provided with radial hole, described radial hole is communicated with main aperture, and the described valve pocket the other end is provided with the 3rd hydraulic fluid port or the 4th hydraulic fluid port.
3. a kind of tubular type Pilot operated check valve according to claim 2, it is characterized in that, between described the 3rd hydraulic fluid port or the 4th hydraulic fluid port and radial hole, be provided with spring seat and cone valve, one end of described cone valve is connected with radial hole, the other end of described cone valve is provided with the first U-shaped groove, one end of described spring seat is provided with the second U-shaped groove, described the first U-shaped groove is corresponding with the second U-shaped groove, between described the first U-shaped groove and the second U-shaped groove, be provided with spring, the other end of described spring seat is connected with the 3rd hydraulic fluid port or the 4th hydraulic fluid port, in described spring seat, be provided with through hole, one end of described through hole is communicated with the 3rd hydraulic fluid port or the 4th hydraulic fluid port, the other end of described through hole is communicated with the second U-shaped groove.
4. a kind of tubular type Pilot operated check valve according to claim 3, is characterized in that, described cone valve is provided with a runner near the cylindrical of the first U-shaped groove, described runner one end and radial hole corresponding matching, and the other end is communicated with the first U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865224.XU CN203655760U (en) | 2013-12-25 | 2013-12-25 | Tube type hydraulic control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865224.XU CN203655760U (en) | 2013-12-25 | 2013-12-25 | Tube type hydraulic control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655760U true CN203655760U (en) | 2014-06-18 |
Family
ID=50922151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865224.XU Expired - Fee Related CN203655760U (en) | 2013-12-25 | 2013-12-25 | Tube type hydraulic control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100589A (en) * | 2014-07-04 | 2014-10-15 | 宁波雪隆王液压科技有限公司 | Fast multi-direction multifunctional liquid control valve |
| CN105334073A (en) * | 2014-08-14 | 2016-02-17 | 沃德(天津)传动有限公司 | Dynamic oil extractor and speed reducer |
-
2013
- 2013-12-25 CN CN201320865224.XU patent/CN203655760U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100589A (en) * | 2014-07-04 | 2014-10-15 | 宁波雪隆王液压科技有限公司 | Fast multi-direction multifunctional liquid control valve |
| CN104100589B (en) * | 2014-07-04 | 2016-06-08 | 宁波江东晟创工业产品设计有限公司 | A kind of multidirectional and multifunctional pilot operated valve device fast |
| CN105334073A (en) * | 2014-08-14 | 2016-02-17 | 沃德(天津)传动有限公司 | Dynamic oil extractor and speed reducer |
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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: 20140618 Termination date: 20201225 |