CN223549855U - Two-position five-way reversing valve - Google Patents
Two-position five-way reversing valveInfo
- Publication number
- CN223549855U CN223549855U CN202422945726.4U CN202422945726U CN223549855U CN 223549855 U CN223549855 U CN 223549855U CN 202422945726 U CN202422945726 U CN 202422945726U CN 223549855 U CN223549855 U CN 223549855U
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Abstract
本实用新型涉及阀门技术领域，公开了一种二位五通换向阀，包括阀体和阀芯，阀体内设有控制腔、配合腔、阀腔和与阀腔连通的第一工作口、第二工作口、压力料口、第一回料口和第二回料口，配合腔位于控制腔与阀腔之间，控制腔与控制液源连接，阀芯包括控制杆、弹性件和阀杆，控制杆的一端伸入控制腔内，控制杆的另一端穿过配合腔并与阀杆的第一端连接，弹性件的一端与控制杆连接，弹性件的另一端与配合腔连接，配合腔上开设有漏液观察口，阀杆可滑动地设置在阀腔内，阀杆上间隔地设有第一环形流通槽和第二环形流通槽；本实用新型的整体结构简单，通过弹性件与控制腔的配合能够快速进行换向动作，避免不同流体互串，能够及时获知密封失效。
This utility model relates to the field of valve technology and discloses a two-position five-way reversing valve, including a valve body and a valve core. The valve body has a control chamber, a mating chamber, a valve chamber, and a first working port, a second working port, a pressure feed port, a first return port, and a second return port communicating with the valve chamber. The mating chamber is located between the control chamber and the valve chamber, and the control chamber is connected to a control fluid source. The valve core includes a control rod, an elastic element, and a valve stem. One end of the control rod extends into the control chamber, and the other end of the control rod passes through the mating chamber and is connected to the first end of the valve stem. One end of the elastic element is connected to the control rod, and the other end of the elastic element is connected to the mating chamber. A leakage observation port is provided on the mating chamber. The valve stem is slidably disposed in the valve chamber, and a first annular flow groove and a second annular flow groove are provided on the valve stem at intervals. The overall structure of this utility model is simple, and the reversing action can be performed quickly through the cooperation of the elastic element and the control chamber, avoiding cross-contamination of different fluids and enabling timely detection of sealing failure.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a two-position five-way reversing valve.
Background
The reversing valve is a direction control valve with more than two flow forms and more than two fluid inlets and outlets, the flow direction of the fluid can be changed according to the requirement, and when the reversing valve works, the valve rod of the valve core is driven by external force to move, so that different fluid inlets and outlets are switched on or off, and the purpose of changing the flow direction is realized. The existing two-position five-way reversing valve is complex in structure, high in manufacturing cost, low in response speed and easy to leak internal fluid.
Disclosure of utility model
The utility model aims to provide a two-position five-way reversing valve which is simple in overall structure, can rapidly perform reversing action through matching of an elastic piece and a control cavity, avoids different fluids from being mutually connected, and can timely acquire sealing failure.
In order to achieve the aim, the utility model provides a two-position five-way reversing valve, which comprises a valve body and a valve core, wherein a control cavity, a matching cavity, a valve cavity, a first working port, a second working port, a pressure material port, a first material return port and a second material return port which are communicated with the valve cavity are arranged in the valve body, the matching cavity is positioned between the control cavity and the valve cavity, the control cavity is connected with a control liquid source, the valve core comprises a control rod, an elastic piece and a valve rod, one end of the control rod extends into the control cavity, the other end of the control rod penetrates through the matching cavity and is connected with the first end of the valve rod, one end of the elastic piece is connected with the control rod, the other end of the elastic piece is connected with the matching cavity, a liquid leakage observation port is formed in the matching cavity, the valve rod is slidably arranged in the valve cavity, and a first annular circulation groove and a second annular circulation groove are formed in the valve rod at intervals; the control rod is provided with a first sealing ring in a surrounding mode, two ends of the valve rod are respectively provided with a second sealing ring and a third sealing ring in a surrounding mode, and the valve rod is provided with a fourth sealing ring which is positioned between the first annular circulation groove and the second annular circulation groove in a surrounding mode;
When control liquid is introduced into the control cavity, the control rod moves towards one side of the valve cavity, the elastic piece is compressed, the pressure material port is communicated with the first working port through the first annular circulating groove, the second working port is communicated with the first material return port through the second annular circulating groove, and the second material return port is isolated from the valve cavity;
When the control cavity is not filled with control liquid, the control rod moves towards one side far away from the valve cavity under the action of the reset force of the elastic piece, the pressure material port is communicated with the second working port through the second annular circulating groove, the first working port is communicated with the second material return port through the first annular circulating groove, and the first material return port is separated from the valve cavity.
As a preferable scheme of the utility model, the tail end of the valve body is provided with a leakage observation port communicated with the valve cavity, and the leakage observation port is opposite to the tail end face of the valve rod.
In a preferred embodiment of the present utility model, the leakage observation port is disposed obliquely from a side close to the control chamber to a side close to the matching chamber.
As a preferable scheme of the utility model, a plurality of leakage observation ports are arranged along the circumferential ring of the matching cavity, and the leakage observation ports are arranged on one side, close to the control cavity, of the matching cavity.
As a preferable scheme of the utility model, the elastic piece is a spring, a limit baffle is arranged in the middle of the control rod, the limit baffle is positioned in the matching cavity, the elastic piece is sleeved on the control rod, one end of the elastic piece is connected with the limit baffle, and the other end of the elastic piece is connected with one end, close to the valve cavity, of the matching cavity.
As a preferable mode of the utility model, two fourth sealing rings are arranged, one fourth sealing ring is abutted against the first annular circulation groove, and the other fourth sealing ring is abutted against the second annular circulation groove.
As a preferable scheme of the utility model, the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are all O-shaped sealing rings.
Compared with the prior art, the two-position five-way reversing valve has the beneficial effects that:
When the control liquid source is used for leading the control liquid into the control cavity, the control rod and the valve rod move towards one side of the valve cavity, the elastic piece is compressed, the two-position five-way reversing valve is in a working state, working fluid in the valve cavity can be liquid or gas, the pressure material port is communicated with the first working port through the first annular circulating groove, the second working port is communicated with the first material return port through the second annular circulating groove, when the control cavity is not filled with the control liquid, the control rod and the valve rod reset under the action of the reset force of the elastic piece, the pressure material port is communicated with the second working port through the second annular circulating groove, the first working port is communicated with the second material return port through the first annular circulating groove, a matching cavity is arranged between the control cavity and the valve cavity, the sealing failure can be timely obtained through a liquid leakage observation port on the matching cavity, the control liquid in the control cavity is not mutually connected with the working fluid in the valve cavity, the use stability of the reversing valve is improved, the whole structure is simple, and the reversing action can be quickly performed through the matching of the elastic piece and the control cavity.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a two-position five-way reversing valve according to the present utility model in a working state;
FIG. 2 is a schematic diagram of a two-position five-way reversing valve in a non-working state;
In the figure, a valve body 10, a control chamber 11, a matching chamber 12, a leakage observation port 121, a valve cavity 13, a first working port 14, a second working port 15, a pressure port 16, a first feed back port 17, a second feed back port 18, a leakage observation port 19, a valve core 20, a control rod 21, a limit baffle 211, an elastic member 22, a valve rod 23, a first annular circulation groove 231, a second annular circulation groove 232, a first sealing ring 24, a second sealing ring 25, a third sealing ring 26 and a fourth sealing ring 27 are shown.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 2, the two-position five-way reversing valve according to the preferred embodiment of the present utility model comprises a valve body 10 and a valve core 20, wherein a control cavity 11, a matching cavity 12, a valve cavity 13, a first working port 14, a second working port 15, a pressure material port 16, a first material return port 17 and a second material return port 18 which are communicated with the valve cavity 13 are arranged in the valve body 10, the matching cavity 12 is positioned between the control cavity 11 and the valve cavity 13, the control cavity 11 is connected with a control liquid source, the valve core 20 comprises a control rod 21, an elastic member 22 and a valve rod 23, one end of the control rod 21 extends into the control cavity 11, the other end of the control rod 21 passes through the matching cavity 12 and is connected with a first end of the valve rod 23, one end of the elastic member 22 is connected with the control rod 21, the other end of the elastic member 22 is connected with the matching cavity 12, a liquid leakage observation port 121 is formed on the matching cavity 12, the valve rod 23 is slidably arranged in the valve cavity 13, a first annular groove 23 is arranged on the valve rod 23, a second annular groove is arranged on the valve rod 23, and a third annular groove is arranged on the second annular groove 23, and a sealing ring 25 is arranged on the second annular groove 23, and a second annular groove is arranged on the second annular groove 23, and a sealing ring is arranged between the second groove and a third annular groove 23 and a sealing ring 25 and a fourth groove is arranged;
When the control liquid is introduced into the control chamber 11, the control rod 21 moves towards one side of the valve chamber 13, the elastic member 22 is compressed, the pressure port 16 is communicated with the first working port 14 through the first annular flow groove 231, the second working port 15 is communicated with the first feed back port 17 through the second annular flow groove 232, and the second feed back port 18 is isolated from the valve chamber 13;
when the control cavity 11 is not filled with control liquid, the control rod 21 moves towards the side far away from the valve cavity 13 under the action of the restoring force of the elastic piece 22, the pressure material port 16 is communicated with the second working port 15 through the second annular circulating groove 232, the first working port 14 is communicated with the second material return port 18 through the first annular circulating groove 231, and the first material return port 17 is isolated from the valve cavity 13.
When control liquid is introduced into the control cavity 11 through the control liquid source, the control rod 21 and the valve rod 23 move towards one side of the valve cavity 13, meanwhile, the elastic piece 22 is compressed, the two-position five-way reversing valve is in an operating state, working fluid in the valve cavity 13 can be liquid or gas, the pressure material port 16 is communicated with the first working port 14 through the first annular circulating groove 231, the second working port 15 is communicated with the first feed back port 17 through the second annular circulating groove 232, in a non-operating state, the control cavity 11 is not introduced with control liquid, the control rod 21 and the valve rod 23 are reset under the action of the reset force of the elastic piece 22, the pressure material port 16 is communicated with the second working port 15 through the second annular circulating groove 232, the first working port 14 is communicated with the second feed back port 18 through the first annular circulating groove 231, the matching cavity 12 is arranged between the control cavity 11 and the valve cavity 13, even if the situation that the sealing fails occurs, the control liquid in the control cavity 11 can not be communicated with the working fluid in the valve cavity 13 through the leakage observation port 121, the stability of the whole reversing valve can be improved, and the whole reversing valve can be controlled through the simple structure and the reversing valve can be operated quickly.
Illustratively, the end of the valve body 10 is provided with a leakage observation port 19 communicated with the valve cavity 13, and the leakage observation port 19 is opposite to the end face of the end of the valve rod 23, so that when the working fluid leaks due to the sealing failure of the rear end of the valve cavity 13, effective actual treatment control can be timely found.
Specifically, the weeping viewing port 121 is inclined from the side close to the control chamber 11 to the side close to the matching chamber, further, the weeping viewing port 121 is provided with a plurality of circumferential rings along the matching chamber 12, the weeping viewing port 121 is arranged on the side close to the control chamber 11 in the matching chamber 12, and thus, weeping can leak from the weeping viewing port 121, and the sealing failure of the reversing valve can be found in time.
The elastic member 22 is a spring, a limit baffle 211 is disposed in the middle of the control rod 21, the limit baffle 211 is located in the matching cavity 12, the elastic member 22 is sleeved on the control rod 21, one end of the elastic member 22 is connected with the limit baffle 211, the other end of the elastic member 22 is connected with one end, close to the valve cavity 13, of the matching cavity 12, positioning and fixing of the elastic member 22 are facilitated, and the reversing valve can respond quickly.
Illustratively, two fourth sealing rings 27 are provided, one fourth sealing ring 27 abuts against the first annular circulation groove 231, and the other fourth sealing ring 27 abuts against the second annular circulation groove 232, so that a good sealing effect of the working fluid is ensured.
Further, the first sealing ring 24, the second sealing ring 25, the third sealing ring 26 and the fourth sealing ring 27 are all O-shaped sealing rings, so that good sealing performance of the control cavity 11 and the valve cavity 13 is ensured, and oil leakage is not easy to occur.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as a fixed connection, a removable connection, or an integral connection, as a mechanical connection, as an electrical connection, as a direct connection, as an indirect connection via an intermediary, or as a 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.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (7)
1. The two-position five-way reversing valve is characterized by comprising a valve body and a valve core, wherein a control cavity, a matching cavity, a valve cavity, a first working port, a second working port, a pressure material port, a first material return port and a second material return port which are communicated with the valve cavity are arranged in the valve body, the matching cavity is positioned between the control cavity and the valve cavity, the control cavity is connected with a control liquid source, the valve core comprises a control rod, an elastic piece and a valve rod, one end of the control rod extends into the control cavity, the other end of the control rod penetrates through the matching cavity and is connected with the first end of the valve rod, one end of the elastic piece is connected with the control rod, the other end of the elastic piece is connected with the matching cavity, a liquid leakage observation port is formed in the matching cavity, the valve rod is slidably arranged in the valve cavity, and a first annular circulation groove and a second annular circulation groove are formed in the valve rod at intervals; the control rod is provided with a first sealing ring in a surrounding mode, two ends of the valve rod are respectively provided with a second sealing ring and a third sealing ring in a surrounding mode, and the valve rod is provided with a fourth sealing ring which is positioned between the first annular circulation groove and the second annular circulation groove in a surrounding mode;
When control liquid is introduced into the control cavity, the control rod moves towards one side of the valve cavity, the elastic piece is compressed, the pressure material port is communicated with the first working port through the first annular circulating groove, the second working port is communicated with the first material return port through the second annular circulating groove, and the second material return port is isolated from the valve cavity;
When the control cavity is not filled with control liquid, the control rod moves towards one side far away from the valve cavity under the action of the reset force of the elastic piece, the pressure material port is communicated with the second working port through the second annular circulating groove, the first working port is communicated with the second material return port through the first annular circulating groove, and the first material return port is separated from the valve cavity.
2. The two-position five-way reversing valve according to claim 1, wherein the tail end of the valve body is provided with a leakage observation port communicated with the valve cavity, and the leakage observation port is opposite to the tail end face of the valve rod.
3. The two-position five-way reversing valve according to claim 1, wherein the leakage observation port is obliquely arranged from a side close to the control chamber to a side close to the matching chamber.
4. The two-position five-way reversing valve according to claim 1, wherein a plurality of leakage observation ports are formed in the circumferential ring of the matching cavity, and the leakage observation ports are formed in one side, close to the control cavity, of the matching cavity.
5. The two-position five-way reversing valve according to claim 1, wherein the elastic piece is a spring, a limit baffle is arranged in the middle of the control rod, the limit baffle is positioned in the matching cavity, the elastic piece is sleeved on the control rod, one end of the elastic piece is connected with the limit baffle, and the other end of the elastic piece is connected with one end, close to the valve cavity, of the matching cavity.
6. The two-position five-way reversing valve according to claim 1, wherein two fourth sealing rings are arranged, one sealing ring abuts against the first annular circulation groove, and the other sealing ring abuts against the second annular circulation groove.
7. The two-position five-way reversing valve of claim 1, wherein the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are all O-shaped sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422945726.4U CN223549855U (en) | 2024-11-29 | 2024-11-29 | Two-position five-way reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422945726.4U CN223549855U (en) | 2024-11-29 | 2024-11-29 | Two-position five-way reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223549855U true CN223549855U (en) | 2025-11-14 |
Family
ID=97633402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422945726.4U Active CN223549855U (en) | 2024-11-29 | 2024-11-29 | Two-position five-way reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223549855U (en) |
-
2024
- 2024-11-29 CN CN202422945726.4U patent/CN223549855U/en active Active
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