CN220668462U - Split type shuttle valve - Google Patents
Split type shuttle valve Download PDFInfo
- Publication number
- CN220668462U CN220668462U CN201820195244.3U CN201820195244U CN220668462U CN 220668462 U CN220668462 U CN 220668462U CN 201820195244 U CN201820195244 U CN 201820195244U CN 220668462 U CN220668462 U CN 220668462U
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- China
- Prior art keywords
- shuttle valve
- valve seat
- input port
- pressure input
- channel
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- 238000007789 sealing Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a split type shuttle valve, which comprises: the valve body is internally limited with a mounting cavity with one end open, and is provided with a first pressure input port, a second pressure input port and a pressure output port which are communicated with the mounting cavity; the first shuttle valve seat is arranged in the mounting cavity and is provided with a first channel communicated with the first pressure input port; the second shuttle valve seat is arranged in the mounting cavity and is spaced from the first shuttle valve seat to define a fit clearance, the second shuttle valve seat is provided with a second channel communicated with the second pressure input port, and the first channel and the second channel are oppositely arranged and are respectively communicated with the pressure output port through the clearance; the movable piece is movably arranged in the gap and positioned between the first channel and the second channel, and the movable piece seals the first channel or the second channel according to the pressure difference between the first pressure input port and the second pressure input port so as to enable the first pressure input port or the second pressure input port to be communicated with the pressure output port.
Description
Technical Field
The utility model relates to the field of hydraulic control, in particular to a split type shuttle valve.
Background
At present, most of shuttle valves used for engineering machinery multi-way valves are integral shuttle valves, the installation space is relatively large, and simultaneously, after two shuttle valve seats of the integral shuttle valves are mutually assembled, looseness prevention and sealing are needed, so that the assembly is complex and the cost is high. On the other hand, most shuttle valves mounted on multi-way valves have valve seats formed in the valve body, but such shuttle valve seats are limited to the valve body and cannot be heat treated alone, so that the hardness is limited to the material of the valve body.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art.
Therefore, the split type shuttle valve is simple in structure and small in occupied space.
According to an embodiment of the utility model, a split shuttle valve includes: the valve body is internally limited with a mounting cavity with one end open, and is provided with a first pressure input port, a second pressure input port and a pressure output port which are communicated with the mounting cavity; a first shuttle valve seat disposed within the mounting cavity, the first shuttle valve seat having a first passage in communication with the first pressure input port; the second shuttle valve seat is arranged in the mounting cavity and is spaced from the first shuttle valve seat to define a fit clearance, the second shuttle valve seat is provided with a second channel communicated with the second pressure input port, and the first channel and the second channel are oppositely arranged and are respectively communicated with the pressure output port through the clearance; the movable piece is movably arranged in the gap and positioned between the first channel and the second channel, and the movable piece seals the first channel or the second channel according to the pressure difference between the first pressure input port and the second pressure input port so that the first pressure input port or the second pressure input port is communicated with the pressure output port.
According to the split type shuttle valve provided by the embodiment of the utility model, the first shuttle valve seat and the second shuttle valve seat which are arranged at intervals are arranged, the first shuttle valve seat and the second shuttle valve seat can be respectively processed for heat treatment, the structural hardness is ensured, and the first shuttle valve seat and the second shuttle valve seat can be respectively assembled and sealed, so that the split type shuttle valve is simple in assembly structure and low in cost.
The split type shuttle valve according to the embodiment of the utility model can also have the following additional technical characteristics:
according to one embodiment of the present utility model, the valve body is formed in a substantially columnar shape, the installation chamber extends in an axial direction of the valve body, the first shuttle valve seat and the second shuttle valve seat are provided at both axial ends of the valve body, respectively, and the first shuttle valve seat and the second shuttle valve seat are spaced apart in the axial direction of the valve body to define the gap.
According to an embodiment of the present utility model, the first shuttle valve seat and the second shuttle valve seat are respectively formed in a columnar shape, and the first passage and the second passage extend in an axial direction of the first shuttle valve seat and the second shuttle valve seat, respectively.
According to one embodiment of the utility model, the first pressure input port is arranged at the end part of one end of the valve body and is communicated with the mounting cavity, the second pressure input port is arranged at the side part of the other end of the valve body, a third channel is further arranged on the second shuttle valve seat, the third channel is perpendicular to the second channel and is communicated with the second channel, and the second channel is communicated with the second pressure input port through the third channel.
According to one embodiment of the utility model, the pressure outlet is provided on the valve body on the opposite side of the second pressure inlet.
According to one embodiment of the utility model, the opposite ends of the first and second channels are formed with tapered surfaces, respectively, and the movable member is movable between the first and second channels and is engageable with the tapered surfaces of the ends of the first or second channels, respectively.
According to one embodiment of the utility model, the radial dimension of the moving member is greater than the axial distance of the gap.
According to one embodiment of the utility model, the movable member is formed as a steel ball.
According to one embodiment of the utility model, the first shuttle valve seat and the second shuttle valve seat are each threadably connected to the valve body.
According to one embodiment of the utility model, a plurality of sealing rings are arranged between the second shuttle valve seat and the inner wall surface of the mounting cavity in a spaced mode.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a split type shuttle valve according to an embodiment of the present utility model.
Reference numerals:
a split shuttle valve 100;
a valve body 10; a first pressure input port 11; a second pressure input port 12; a pressure outlet 13;
a first shuttle valve seat 20; a first channel 21;
a second shuttle valve seat 30; a second channel 31; a third channel 32;
a movable member 40; a gap 50; sealing ring 60.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A split type shuttle valve 100 according to an embodiment of the present utility model is described in detail with reference to the accompanying drawings.
As shown in fig. 1, the split type shuttle valve 100 according to the embodiment of the present utility model includes a valve body 10, a first shuttle valve seat 20, a second shuttle valve seat 30, and a movable member 40.
Specifically, a mounting chamber having one end opened is defined in the valve body 10, and the valve body 10 is provided with a first pressure input port 11, a second pressure input port 12, and a pressure output port 13 communicating with the mounting chamber. The first shuttle valve seat 20 is disposed in the mounting cavity, the first shuttle valve seat 20 is provided with a first channel 21 communicating with the first pressure input port 11, the second shuttle valve seat 30 is disposed in the mounting cavity and spaced apart from the first shuttle valve seat 20 to define a mating gap 50, the second shuttle valve seat 30 is provided with a second channel 31 communicating with the second pressure input port 12, and the first channel 21 and the second channel 31 are disposed opposite and communicate with the pressure output port 13 through the gap 50, respectively. The movable member 40 is movably disposed in the gap 50 between the first and second passages 21 and 31, and the movable member 40 closes the first or second passage 21 or 31 according to a pressure difference between the first and second pressure input ports 11 or 12 to communicate the first or second pressure input ports 11 or 12 with the pressure output port 13.
In other words, the split type shuttle valve 100 according to the embodiment of the present utility model is mainly composed of a valve body 10, a first shuttle valve seat 20 and a second shuttle valve seat 30 provided in the valve body 10, a movable member 40 provided in a gap 50 between the first shuttle valve seat 20 and the second shuttle valve seat 30, wherein a first pressure input port 11, a second pressure input port 12, and a pressure output port 13 communicating with each other are provided on the valve body 10, and pressure oil flowing in from the first pressure input port 11 or the second pressure input port 12 can flow out from the pressure output port 13.
The first shuttle valve seat 20 and the second shuttle valve seat 30 are of mutually independent split structures and are respectively arranged in the valve body 10, a first channel 21 is arranged in the first shuttle valve seat 20, the first channel 21 is communicated with the first pressure input port 11, hydraulic oil in the first pressure input port 11 can flow out of the pressure output port 13 after flowing through the first channel 21, a second channel 31 is arranged in the second shuttle valve seat 30, hydraulic oil in the second pressure input port 12 can flow out of the pressure output port 13 after flowing through the second channel 31, the first shuttle valve seat 20 and the second shuttle valve seat 30 are mutually arranged at intervals and define a gap 50 between the first channel 21 and the second shuttle valve seat 30, and hydraulic oil flowing through the first channel 21 or the second channel 31 can flow out of the hydraulic output port 13 after flowing through the gap 50.
A movable member 40 is also provided in the gap 50 between the first shuttle valve seat 20 and the second shuttle valve seat 30, the movable member 40 being movable between the first passage 21 and the second passage 31. When the input pressure of the hydraulic oil in the first passage 21 is greater than the input pressure in the second passage 31, the movable member 40 is pressed by the hydraulic oil in the first passage 21 to form a seal with the second passage 31, and the hydraulic oil flowing from the first pressure input port 11 can flow into the gap 50 between the first shuttle valve seat 20 and the second shuttle valve seat 30 after passing through the first passage 21, and is led to the pressure output port 13 to flow out.
Also, when the input pressure of the hydraulic oil in the second passage 31 is greater than the input pressure in the first passage 21, the movable member 40 may be pressed by the hydraulic oil in the second passage 31 to cooperate with the first passage 21 to form a seal, and the hydraulic oil flowing from the second pressure input port 12 may flow into the gap 50 between the first shuttle valve seat 20 and the second shuttle valve seat 30 after passing through the second passage 31, and be guided to the pressure output port 13 to flow out.
Thus, according to the split type shuttle valve 100 of the embodiment of the present utility model, by providing the first shuttle valve seat 20 and the second shuttle valve seat 30 which are arranged at intervals, the first shuttle valve seat 20 and the second shuttle valve seat 30 can be respectively processed to perform heat treatment, thereby ensuring structural rigidity, and the first shuttle valve seat 20 and the second shuttle valve seat 30 can be respectively assembled and sealed, so that the assembly structure is simple and the cost is low.
According to one embodiment of the present utility model, the valve body 10 is formed in a substantially cylindrical shape, the installation cavity extends in the axial direction of the valve body 10, the first shuttle valve seat 20 and the second shuttle valve seat 30 are provided at both axial ends of the valve body 10, respectively, and the first shuttle valve seat 20 and the second shuttle valve seat 30 are spaced apart in the axial direction of the valve body 10 to define a gap 50. Further, the first and second shuttle valve seats 20 and 30 are formed in a columnar shape, respectively, and the first and second passages 21 and 31 extend in the axial direction of the first and second shuttle valve seats 20 and 30, respectively.
Specifically, as shown in fig. 1, in the present embodiment, the valve body 10 may be formed in a columnar structure extending in the up-down direction, the first and second shuttle valve seats 20 and 30 may also be formed in columnar structures, respectively, the first and second shuttle valve seats 20 and 30 being opened in the valve body 10 at intervals in the up-down direction, and the first shuttle valve seat 20 being located above the second shuttle valve seat 30, the lower end of the first shuttle valve seat 20 being spaced apart from the upper end of the second shuttle valve seat 30 to define a gap 50.
In some embodiments of the present utility model, the first pressure input port 11 is provided at an end portion of one end of the valve body 10 and communicates with the installation cavity, the second pressure input port 12 is provided at a side portion of the other end of the valve body 10, the second shuttle valve seat 30 is further provided with a third passage 32, the third passage 32 is perpendicular to the second passage 31 and communicates with the second passage 31, and the second passage 31 communicates with the second pressure input port 12 through the third passage 32. Alternatively, the pressure outlet 13 is provided on the valve body 10 on the opposite side of the second pressure inlet 12.
That is, the first pressure input port 11 is provided at the upper end of the valve body 10 and communicates with the upper end of the first passage 21, the second pressure input port 12 is provided at the side of the lower end of the valve body 10, the second shuttle valve seat 30 is provided with the third passage 32, and the third passage 32 may extend in the horizontal direction and communicate with the second pressure input port 12 and the second passage 31 to communicate with the second passage 31 and the second pressure input port 12, respectively. The pressure output port 13 is provided at an upper portion of the valve body 10 and is disposed opposite to the second pressure input port 12, and the pressure output port 13 corresponds to a position of the gap 50 to drain the hydraulic oil in the gap 50. Thereby, communication between the first pressure input port 11, the second pressure input port 12 and the pressure output port 13 can be achieved.
According to an embodiment of the present utility model, opposite ends of the first and second passages 21 and 31 are formed as tapered surfaces, respectively, and the movable member 40 is formed as a sphere movable between the first and second passages 21 and 31 and movable to one end of the first or second passage 21 or 31, respectively. Optionally, the radial dimension of the moveable member 40 is greater than the axial distance of the gap. Further, the movable member 40 is formed as a steel ball.
Specifically, in this embodiment, the movable member 40 may be formed as a steel ball having a radial dimension larger than the gap 50, and the opposite end surfaces of the first channel 21 and the second channel 31 are both formed as tapered surfaces, so that when the steel ball abuts against the tapered surface of the first channel 21 or the second channel 31, a seal is formed by matching with the corresponding tapered surface, thereby blocking the first pressure input port 11 or the second pressure input port 12.
Therefore, by arranging the movable steel balls in the gap 50, the input port with smaller hydraulic oil pressure can be blocked according to the hydraulic oil pressure of the first pressure input port 11 and the second pressure input port 12, so that the hydraulic oil of the input port with larger hydraulic oil in the first pressure input port 11 and the second pressure input port 12 can be discharged, and the pressure taking is completed.
In one embodiment of the present utility model, the first shuttle valve seat 20 and the second shuttle valve seat 30 are respectively threadedly coupled with the valve body 10. Preferably, a plurality of sealing rings 60 are disposed between the second shuttle valve seat 30 and the inner wall surface of the mounting cavity in spaced apart relation.
That is, the first shuttle valve seat 20 is mounted on the valve body 10 by screw threads, the second shuttle valve seat 30 is also mounted on the valve body 10 by screw threads, and at the same time, the second shuttle valve seat 30 is mutually matched with the valve body 10 to perform positioning, and the mounting position of the second shuttle valve seat 30 is limited, so that a gap 50 is left between the second shuttle valve seat 30 and the first shuttle valve seat 20. The second shuttle valve seat 30 is provided with a sealing ring 60 at a part between the pressure output port 13 and the second pressure input port 12, and is also provided with the sealing ring 60 at a part between the second pressure input port 12 and the bottom of the valve body 10, so as to form a sealing system of the shuttle valve, and prevent the shuttle valve from oil leakage and oil burst.
In addition, according to the split type shuttle valve 100 of the embodiment of the present utility model, by separately machining the first shuttle valve seat 20 and the second shuttle valve seat 30, the performance of the mating conical surfaces of the first shuttle valve seat 20 and the second shuttle valve seat 30 is improved, and the sealing effect when mating with the steel ball is improved. Meanwhile, the first shuttle valve seat 20 and the second shuttle valve seat 30 are respectively arranged on the valve body 10, the two shuttle valve seats are arranged on the valve body 10 after being mutually assembled, and the looseness prevention and the sealing of the two shuttle valve seats after being mutually assembled are avoided.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A split shuttle valve, comprising:
the valve body is internally limited with a mounting cavity with one end open, and is provided with a first pressure input port, a second pressure input port and a pressure output port which are communicated with the mounting cavity;
a first shuttle valve seat disposed within the mounting cavity, the first shuttle valve seat having a first passage in communication with the first pressure input port;
the second shuttle valve seat is arranged in the mounting cavity and is spaced from the first shuttle valve seat to define a fit clearance, the second shuttle valve seat is provided with a second channel communicated with the second pressure input port, and the first channel and the second channel are oppositely arranged and are respectively communicated with the pressure output port through the clearance;
the movable piece is movably arranged in the gap and positioned between the first channel and the second channel, and the movable piece seals the first channel or the second channel according to the pressure difference between the first pressure input port and the second pressure input port so that the first pressure input port or the second pressure input port is communicated with the pressure output port.
2. The split shuttle valve as claimed in claim 1, wherein the valve body is formed in a substantially cylindrical shape, the installation cavity extends in an axial direction of the valve body, the first shuttle valve seat and the second shuttle valve seat are provided at both axial ends of the valve body, respectively, and the first shuttle valve seat and the second shuttle valve seat are spaced apart in the axial direction of the valve body to define the gap.
3. The split shuttle valve as claimed in claim 2, wherein the first and second shuttle valve seats are formed in a cylindrical shape, respectively, and the first and second passages extend in an axial direction of the first and second shuttle valve seats, respectively.
4. The split shuttle valve as claimed in claim 3, wherein the first pressure input port is provided at an end portion of one end of the valve body and communicates with the installation chamber, the second pressure input port is provided at a side portion of the other end of the valve body, and a third passage is further provided on the second shuttle valve seat, the third passage being perpendicular to and communicates with the second passage, and the second passage communicates with the second pressure input port through the third passage.
5. The split shuttle valve as claimed in claim 4, wherein the pressure outlet is provided on the valve body on an opposite side of the second pressure inlet.
6. A split shuttle valve as claimed in claim 3, wherein the opposite ends of the first and second passages are each formed as a tapered surface, the moveable member being moveable between the first and second passages and being engageable with the tapered surfaces of the ends of the first or second passages, respectively.
7. The split shuttle valve as claimed in claim 6, wherein the radial dimension of the moveable member is greater than the axial distance of the gap.
8. The split shuttle valve as claimed in claim 6, wherein the movable member is formed as a steel ball.
9. The split shuttle valve as claimed in claim 1, wherein the first shuttle valve seat and the second shuttle valve seat are each threadably coupled to the valve body.
10. The split shuttle valve as claimed in claim 1, wherein a plurality of spaced apart sealing rings are provided between the second shuttle valve seat and the inner wall surface of the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195244.3U CN220668462U (en) | 2018-02-05 | 2018-02-05 | Split type shuttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195244.3U CN220668462U (en) | 2018-02-05 | 2018-02-05 | Split type shuttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668462U true CN220668462U (en) | 2024-03-26 |
Family
ID=90338821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820195244.3U Active CN220668462U (en) | 2018-02-05 | 2018-02-05 | Split type shuttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668462U (en) |
-
2018
- 2018-02-05 CN CN201820195244.3U patent/CN220668462U/en active Active
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