CN207049350U - A kind of shuttle valve, hydraulic system and plant equipment - Google Patents
A kind of shuttle valve, hydraulic system and plant equipment Download PDFInfo
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- CN207049350U CN207049350U CN201720603534.2U CN201720603534U CN207049350U CN 207049350 U CN207049350 U CN 207049350U CN 201720603534 U CN201720603534 U CN 201720603534U CN 207049350 U CN207049350 U CN 207049350U
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- shuttle valve
- frustum
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Abstract
The utility model proposes a kind of shuttle valve, including valve pocket and the valve element being movably arranged in the valve pocket, the first end of the valve element is provided with the first frustum, the first conical seat coordinated with first frustum is provided with inside the valve pocket, and be taper-face contact between first frustum and first conical seat, at least provided with A mouths and B mouths on the valve pocket, during the A mouths oil-feed, first frustum of described valve element one end contacts with first conical seat into face, and forms conical surface seal.The shuttle valve of this structure, by the way that the one or both ends of valve element are arranged to frustum structure, so that the cooperation between valve element and valve pocket is coordinated from the point of existing structure, line cooperation is changed into cone match, greatly improve the sealing effectiveness and sealing property of shuttle valve, and sealing stability is more preferable, it can realize that work is few without leakage, or amount of leakage, reach the requirement within 5 drops/Min.In addition, the utility model also proposes a kind of hydraulic system and plant equipment including above-mentioned shuttle valve.
Description
Technical field
Hydraulic machinery field is the utility model is related to, more particularly to a kind of shuttle valve, hydraulic system and plant equipment.
Background technology
The product that shuttle valve is actuator to be combined into one with valve body, now widely used shuttle valve, due to valve body, piston, valve
Core uses stainless steel, in appearance better appearance, top grade, and seal hardly connects with medium in actual use
Touch, there is the characteristics of more resistant to corrosion, along with inside only has a part (piston) moving so that move simple and reliable, the longevity
Life length, maintenance is also simpler, and can any direction installation.
However, for amount of leakage requirement within 5 drops/Min, sealing property requires relatively stable shuttle valve, existing market
Upper conventional structure uses steel ball sealing structure, due to using circular steel ball, causes the seal point position of each steel ball all to produce
Changing, work frequently or high pressure field, the shuttle valve stability of this structure can excessively poor, often occur leakage rate greatly
Problem, or even cisco unity malfunction.Therefore, how to provide a kind of stability more structurally sound shuttle valve, and including this shuttle valve
Hydraulic system and plant equipment, into the technical problem of those skilled in the art's urgent need to resolve.
Utility model content
The technical problems to be solved in the utility model is：There is provided a kind of stability more structurally sound shuttle valve, and including this
The hydraulic system and plant equipment of shuttle valve.
What solution of the present utility model was realized in：The utility model proposes a kind of shuttle valve, including valve pocket and can
The valve element being movably arranged in the valve pocket, the first end of the valve element are provided with the first frustum, be provided with inside the valve pocket with
The first conical seat that first frustum coordinates, and be taper-face contact between first frustum and first conical seat, institute
State on valve pocket at least provided with A mouths and B mouths, during the A mouths oil-feed, first frustum of described valve element one end and first conical seat
Contacted into face, and form conical surface seal.The shuttle valve of this structure, by the way that the one or both ends of valve element are arranged to frustum structure, make
Obtain the cooperation between valve element and valve pocket and cone match is changed into from point cooperation, the line cooperation of existing structure, greatly improve shuttle valve
Sealing effectiveness and sealing property, and seal stability it is more preferable, can realize that work is few without leakage, or amount of leakage, reach 5 drops/
Requirement within Min.
Another technical scheme of the present utility model is that on above-mentioned basis the shuttle valve also includes overcoat, described outer
Set is fixedly installed on the outside of the end of the valve pocket, and the periphery of the overcoat is provided with the first sealing ring.
Another technical scheme of the present utility model is that on above-mentioned basis the shuttle valve also includes being used for and the valve
The valve seat that core coordinates, the valve seat is fixedly installed in the overcoat, and first conical seat is arranged at the end of the valve seat
Portion.
Another technical scheme of the present utility model is that on above-mentioned basis the valve seat deviates from one end of the overcoat
Be additionally provided with the second conical seat, the second end of the valve element is provided with the second frustum, second frustum and second conical seat into
Face contacts, and forms conical surface seal.
Another technical scheme of the present utility model is that on above-mentioned basis the periphery of the valve seat is additionally provided with first gear
Enclose, the second sealing ring is arranged with first back-up ring.
Another technical scheme of the present utility model is on above-mentioned basis, and C mouths, the A are additionally provided with the valve pocket
Mouth is arranged at one end end that the valve pocket deviates from the overcoat, and the B mouths and C mouths may be contained within the side of the valve pocket, and
The B mouths are arranged between the A mouths and C mouths.
Another technical scheme of the present utility model is that on above-mentioned basis the valve pocket periphery is additionally provided with second gear
Enclose, the 3rd sealing ring is additionally provided with second back-up ring.
Another technical scheme of the present utility model is that on above-mentioned basis the valve pocket is close to one end of the A mouths
Periphery is additionally provided with third gear circle, and the 4th sealing ring is additionally provided with the third gear circle.
On the other hand, the utility model also proposes a kind of hydraulic system, including shuttle valve, and the shuttle valve is as above any one institute
The shuttle valve stated.
Finally, the utility model also proposes a kind of plant equipment, including shuttle valve and/or hydraulic system, and the shuttle valve is such as
Shuttle valve described in upper any one, the hydraulic system are hydraulic system as described above.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
Fig. 1 is a kind of structural representation of shuttle valve of the utility model；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the fundamental diagram of shuttle valve in Fig. 1.
Reference corresponding relation is：
The valve seat of 12 first sealing ring of overcoat 3
The back-up ring of 4 second sealing ring, 5 first back-up ring 6 second
The valve pocket of 7 the 3rd sealing ring, 8 valve element 9
The frustum of the 4th sealing ring of 10 third gear circle 11 12 first
The conical seat of 13 second frustum 14 first
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document
State, respective combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, refers to the shuttle valve shown in Fig. 1 to Fig. 3, specifically includes valve pocket 9 and movably
The valve element 8 being arranged in the valve pocket 9, the first end of valve element 8, i.e., the upper end shown in Fig. 1 are provided with the first frustum 12, valve pocket 9
Inside simultaneously provided with the first frustum 12 coordinate the first conical seat 14, when the first frustum 12 and the first conical seat 14 coordinate
When, it is taper-face contact at both cooperations, meanwhile, at least it is additionally provided with A mouths and B mouths on valve pocket 9, during A mouth oil-feeds, the upper end of valve element 8
The first frustum 12 and the first conical seat 14 into taper-face contact, and form conical surface seal.The shuttle valve of this structure, by valve element 8
One or both ends be arranged to frustum structure so that cooperation between valve element 8 and valve pocket 9 is with the point of existing structure, line is matched somebody with somebody
Conjunction is changed into cone match, greatly improves the sealing effectiveness and sealing property of shuttle valve, and sealing stability is more preferable, can realize work
Work is few without leakage, or amount of leakage, reaches the requirement within 5 drops/Min.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, shuttle valve also includes overcoat
1, more specifically, overcoat 1 is fixedly installed on the outside of the upper end end of valve pocket 9, and its connected mode between valve pocket 9 can be more
Kind is various, is specifically as follows clamping etc., is not limited thereto.In addition, the periphery of overcoat 1 is additionally provided with the first sealing ring 2, first is close
Seal 2 can be specifically sheathed on overcoat 1.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, shuttle valve also includes being used for
The valve seat 3 that valve element 8 coordinates, valve seat 3 is fixedly installed in overcoat 1, also, the first conical seat 14 is arranged at the lower end end of valve seat 3
Portion, when valve element 8 moves up, the first frustum 12 and the first conical seat 14 are formed and coordinated, that is, realize cone match.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in figure 1, valve pocket 9 deviates from overcoat 1
One end, i.e., the lower end shown in figure is additionally provided with the second conical seat, and the second end of valve element 8, i.e., the lower end shown in figure also is provided with
Second frustum 13, when valve element 8 moves down, forming face contacts between the second frustum 13 and the second conical seat, and forms conical surface seal.
This set-up mode, if the first frustum 12 is as the cooperation between the first conical seat 14 so that matching somebody with somebody between valve element 8 and valve pocket 9
Close from point cooperation, the line cooperation of existing structure and be changed into cone match, greatly improve the sealing effectiveness and sealing property of shuttle valve,
And sealing stability is more preferable, can realize that work is few without leakage, or amount of leakage, reach the requirement within 5 drops/Min.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, the periphery of valve seat 3 is also
Provided with the first back-up ring 5, the first back-up ring 5 is specially the annular retaining ring being recessed to the axis direction of valve seat 3, is arranged with the first back-up ring 5
Second sealing ring 4.This set-up mode, the first back-up ring 5 and the first sealing ring 2 are set herein, are mainly used in preventing fluid from valve pocket 9
On hydraulic fluid port leak.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, in addition to A mouths and B mouths,
C mouths are additionally provided with valve pocket 9, A mouths are arranged at one end end that valve pocket 9 deviates from overcoat 1, i.e., the lower end shown in figure, B mouths and C mouths
Then it is arranged on the side of valve pocket 9, also, B mouths are arranged between A mouths and C mouths.When A mouth oil-feeds, valve element 8 moves up, together
When block B mouths and C mouths, ensure the amount of leakage between B mouths and C mouths within 5 drops/Min.Equally, when C mouth oil-feeds, valve element 8 to
Lower movement, while A mouths and B mouths are blocked, ensure the amount of leakage between A mouths and B mouths within 5 drops/Min.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, the periphery of valve port is also
Provided with the second back-up ring 6, the structure of the second back-up ring 6 is similar with the structure of the first back-up ring 5, the annular scrobicular ring as to cave inward, the
The 3rd sealing ring 7 is additionally provided with two back-up rings 6.
On the basis of above-described embodiment, in another embodiment of the utility model, as shown in fig. 1, valve pocket 9 is close to A mouths
One end periphery be additionally provided with third gear circle 10, equally, third gear circle 10 is similar with the structure of the first back-up ring 5 and the second back-up ring 6,
The 4th sealing ring 11 is additionally provided with three back-up rings 10.It is close for the first sealing ring 2, the second sealing ring 4, the 3rd sealing ring 7 and the 4th
Seal 11, material are both preferably rubber or nylon, are preferably shaped to O-ring seals.
The operation principle of shuttle valve is as follows：
Overcoat 1 is used to prevent leakage phenomenon with the first sealing rings of O 2, and valve seat 3 is fixed in overcoat 1 by valve pocket 9,
To prevent B mouths and A mouths, C mouths leakage string oil, respectively with the third gear circle 10 of the 4th sealing ring 11, the second back-up ring 6 and the 3rd sealing ring
7 are isolated, and to ensure that the fluid inside valve pocket 9 is not revealed toward C mouths, are isolated with the first back-up ring 55 with the second sealing ring 4,
Matching somebody with somebody between valve seat 3 and valve seat 3 is combined into cone match, and the both ends of valve element 8 set the first frustum 12 and the second frustum 13 respectively, in A
During mouth oil-feed, valve element 8 pushes C mouths direction to, and now the upper end of valve element 8 forms taper-face contact with valve seat 3, and B mouths are cut off with C mouths,
Ensure that the amount of leakage of B mouths to C mouths is controlled within 5 drops/Min.In C mouth oil-feeds, valve element 8 pushes A mouths direction, now, valve element 8 to
Lower end and valve pocket 9 between with being combined into cone match, B mouths are cut off with A mouths, ensure amount of leakage control of the B mouths to A mouths 5
Within drop/Min.
On the other hand, the utility model also proposes a kind of hydraulic system, and iron blood shuttle valve, more specifically, shuttle valve is as above
Described shuttle valve.It should be noted that include the hydraulic system of above-mentioned shuttle valve, correspondingly with excellent possessed by above-mentioned shuttle valve
The sealing property and stability of point, i.e. hydraulic system are more preferable.
Finally, the utility model also proposes a kind of plant equipment, and plant equipment includes shuttle valve and/or hydraulic system, shuttle valve
Shuttle valve specially as described above, hydraulic system are hydraulic system as described above.The plant equipment of this structure, correspondingly,
With sealing property and the advantages of more preferable stability.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. shuttle valve, it is characterised in that including valve pocket (9) and the valve element (8) being movably arranged in the valve pocket (9), The first end of the valve element (8) is provided with the first frustum (12), is provided with inside the valve pocket (9) and coordinates with first frustum (12) The first conical seat (14), and be taper-face contact between first frustum (12) and first conical seat (14), the valve Cover on (9) at least provided with A mouths and B mouths, during the A mouths oil-feed, first frustum (12) and described first of described valve element (8) one end Conical seat (14) contacts into face, and forms conical surface seal.
- 2. shuttle valve according to claim 1, it is characterised in that the shuttle valve also includes overcoat (1), and the overcoat (1) is solid Surely it is arranged on the outside of the end of the valve pocket (9), and the periphery of the overcoat (1) is provided with the first sealing ring (2).
- 3. shuttle valve according to claim 2, it is characterised in that the shuttle valve also includes being used to coordinate with the valve element (8) Valve seat (3), the valve seat (3) is fixedly installed in the overcoat (1), and first conical seat (14) is arranged at the valve The end of seat (3).
- 4. shuttle valve according to claim 3, it is characterised in that the valve seat (3) also sets away from one end of the overcoat (1) There is the second conical seat, the second end of the valve element (8) is provided with the second frustum (13), second frustum (13) and the described second cone Shape seat contacts into face, and forms conical surface seal.
- 5. shuttle valve according to claim 4, it is characterised in that the periphery of the valve seat (3) is additionally provided with the first back-up ring (5), The second sealing ring (4) is arranged with first back-up ring (5).
- 6. shuttle valve according to claim 5, it is characterised in that C mouths are additionally provided with the valve pocket (9), the A mouths are arranged at The valve pocket (9) deviates from one end end of the overcoat (1), and the B mouths and C mouths may be contained within the side of the valve pocket (9), and The B mouths are arranged between the A mouths and C mouths.
- 7. shuttle valve according to claim 6, it is characterised in that valve pocket (9) periphery is additionally provided with the second back-up ring (6), institute State in the second back-up ring (6) and be additionally provided with the 3rd sealing ring (7).
- 8. shuttle valve according to claim 7, it is characterised in that the valve pocket (9) also sets close to one end periphery of the A mouths There is third gear circle (10), the 4th sealing ring (11) is additionally provided with the third gear circle (10).
- 9. a kind of hydraulic system, including shuttle valve, it is characterised in that the shuttle valve is the shuttle any one of claim 1 to 8 Valve.
- 10. a kind of plant equipment, including shuttle valve and/or hydraulic system, it is characterised in that the shuttle valve is in claim 1 to 8 Shuttle valve described in any one, the hydraulic system are the hydraulic system described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720603534.2U CN207049350U (en) | 2017-05-26 | 2017-05-26 | A kind of shuttle valve, hydraulic system and plant equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720603534.2U CN207049350U (en) | 2017-05-26 | 2017-05-26 | A kind of shuttle valve, hydraulic system and plant equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049350U true CN207049350U (en) | 2018-02-27 |
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ID=61490326
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720603534.2U Active CN207049350U (en) | 2017-05-26 | 2017-05-26 | A kind of shuttle valve, hydraulic system and plant equipment |
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| Country | Link |
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| CN (1) | CN207049350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
-
2017
- 2017-05-26 CN CN201720603534.2U patent/CN207049350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091338A (en) * | 2017-05-26 | 2017-08-25 | 湖南凯恩利液压机械制造有限公司 | A kind of shuttle valve, hydraulic system and plant equipment |
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