CN216643236U - Double-sealing cartridge valve - Google Patents
Double-sealing cartridge valve Download PDFInfo
- Publication number
- CN216643236U CN216643236U CN202123374386.7U CN202123374386U CN216643236U CN 216643236 U CN216643236 U CN 216643236U CN 202123374386 U CN202123374386 U CN 202123374386U CN 216643236 U CN216643236 U CN 216643236U
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- valve
- sealing ring
- valve body
- sealing
- wall
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 230000009977 dual effect Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a double-sealing cartridge valve, which comprises: a valve body, a valve sleeve and a valve core; one end of the valve sleeve is inserted into the end part of the valve body, and the valve core is arranged in the valve sleeve; the valve sleeve is connected with the valve body through a connecting piece, and the connecting piece can lock the relative position of the valve sleeve and the valve body; the outer wall of the valve sleeve is fixedly sleeved with a first sealing ring, the outer diameter of the first sealing ring is larger than the inner diameter of the valve body, the inner wall of the valve body is fixedly provided with a second sealing ring, and the inner diameter of the second sealing ring is larger than the outer diameter of the end part of the valve sleeve; when the first sealing ring abuts against the end wall of the valve body, the end wall of the valve sleeve abuts against the second sealing ring. In the connection completion state, a first sealing ring on the valve sleeve is abutted with the end wall of the valve body to form first re-sealing contact, and the end wall of the valve sleeve is abutted with a second sealing ring in the valve body to form second re-sealing contact; therefore, in the connecting structure, two seals are arranged between the valve sleeve and the valve body, so that the sealing effect between the valve sleeve and the valve body is improved.
Description
Technical Field
The utility model relates to the technical field of cartridge valves, in particular to a double-seal cartridge valve.
Background
Cartridge valves generally consist of a valve core, a valve sleeve, a spring and a sealing ring. And is divided into a direction valve assembly, a pressure valve assembly and a flow valve assembly according to the use.
In the existing cartridge valve, a valve body is connected with a valve sleeve through a connecting piece, and meanwhile, the connecting part is provided with corresponding sealing. However, in a general cartridge valve, only a single seal is arranged between the valve body and the valve sleeve, so that the sealing effect between the valve body and the valve sleeve is general.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a double-sealing cartridge valve.
A dual seal cartridge valve comprising: a valve body, a valve sleeve and a valve core; one end of the valve sleeve is inserted into the end part of the valve body, and the valve core is arranged in the valve sleeve; the valve sleeve is connected with the valve body through a connecting piece, and the connecting piece can lock the relative position of the valve sleeve and the valve body; the outer wall of the valve sleeve is fixedly sleeved with a first sealing ring, the outer diameter of the first sealing ring is larger than the inner diameter of the valve body, the inner wall of the valve body is fixedly provided with a second sealing ring, and the inner diameter of the second sealing ring is larger than the outer diameter of the end part of the valve sleeve; when the first sealing ring is abutted against the end wall of the valve body, the end wall of the valve sleeve is abutted against the second sealing ring.
Preferably, the first sealing ring is integrally connected with the valve sleeve, and the second sealing ring is integrally connected with the valve body.
Preferably, a first sealing ring is arranged on the side wall of the first sealing ring, and a second sealing ring is arranged on the end wall of the valve sleeve.
Preferably, the first sealing ring and the second sealing ring are made of rubber materials.
Preferably, the connecting piece is a threaded pipe, an internal thread is arranged inside the threaded pipe, an external thread matched with the internal thread is arranged on the outer wall of the end part of the valve body, the threaded pipe is rotatably sleeved on the end part of the valve sleeve, a limiting ring is integrally arranged on the inner wall of one end of the threaded pipe, and the inner diameter of the limiting ring is smaller than the outer diameter of the first sealing ring.
Preferably, the first sealing ring is embedded with a ball on the side wall close to the limiting ring, and the limiting ring is in rolling contact with the ball.
Preferably, the inner wall of the end part of the valve body is a first connecting surface, the outer wall of the end part of the valve sleeve is a second connecting surface, and the first connecting surface and the second connecting surface are both conical and have the same size.
Compared with the prior art, the utility model has the following beneficial effects:
in the connection completion state, a first sealing ring on the valve sleeve is abutted with the end wall of the valve body to form first heavy sealing contact, and the end wall of the valve sleeve is abutted with a second sealing ring in the valve body to form second heavy sealing contact; therefore, in the connecting structure, two positions of sealing are arranged between the valve sleeve and the valve body, so that the sealing effect between the valve sleeve and the valve body is improved.
Drawings
FIG. 1 is a schematic diagram of a dual seal cartridge valve of the present invention;
fig. 2 is a schematic structural diagram of a point a in fig. 1.
In the figure:
the valve comprises a valve body 1, a valve sleeve 2, a valve core 3, a threaded pipe 4, a limiting ring 5, a first sealing ring 6, a ball 7, a first sealing ring 8, a second sealing ring 9, a second sealing ring 10, a first connecting surface 11 and a second connecting surface 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is described in further detail below with reference to the following drawings:
a dual seal cartridge valve comprising: the valve comprises a valve body 1, a valve sleeve 2 and a valve core 3; one end of the valve sleeve 2 is inserted into the end part of the valve body 1, and the valve core 3 is arranged in the valve sleeve 2; the valve sleeve 2 is connected with the valve body 1 through a connecting piece, and the connecting piece can lock the relative position of the valve sleeve 2 and the valve body 1; a first sealing ring 6 is fixedly sleeved on the outer wall of the valve sleeve 2, the outer diameter of the first sealing ring 6 is larger than the inner diameter of the valve body 1, a second sealing ring 9 is fixedly arranged on the inner wall of the valve body 1, and the inner diameter of the second sealing ring 9 is larger than the outer diameter of the end part of the valve sleeve 2; when the first sealing ring 6 abuts the end wall of the valve body 1, the end wall of the valve sleeve 2 abuts the second sealing ring 9.
In the embodiment applying the technical scheme, the valve sleeve 2 is inserted in the valve body 1 and is relatively locked through the corresponding connecting piece, so that the valve sleeve 2 cannot be separated from the valve body 1, and the connection between the valve sleeve 2 and the valve body 1 is completed; in the connection completion state, the first sealing ring 6 on the valve sleeve 2 is abutted with the end wall of the valve body 1 to form a first re-sealing contact, and the end wall of the valve sleeve 2 is abutted with the second sealing ring 9 in the valve body 1 to form a second re-sealing contact; therefore, in the connecting structure, two seals are arranged between the valve sleeve 2 and the valve body 1, so that the sealing effect between the two seals is improved.
In the preferred technical scheme of this embodiment, the first sealing ring 6 and the valve housing 2 are integrally connected, and the second sealing ring 9 and the valve body 1 are integrally connected. In this embodiment, the first sealing ring 6 is integrally connected with the valve housing 2, which provides higher connection stability, and similarly, the second sealing ring 9 is integrally connected with the valve body 1, which also provides higher connection stability.
In the preferred technical solution of this embodiment, a first sealing ring 8 is disposed on a side wall of the first sealing ring 6, and a second sealing ring 10 is disposed on an end wall of the valve housing 2. In the specific embodiment, by arranging the sealing rings, the first sealing ring 6 and the end wall of the valve body 1 have better sealing performance, and the end wall of the valve sleeve 2 and the second sealing ring 9 have better sealing performance.
In the preferred technical solution of this embodiment, the first sealing ring 6 and the second sealing ring 9 are both made of rubber. The specific rubber material has good sealing property and is widely applied to the manufacture of the sealing ring.
According to the preferable technical scheme in the embodiment, the connecting piece is the threaded pipe 4, internal threads are arranged inside the threaded pipe 4, external threads matched with the internal threads are arranged on the outer wall of the end portion of the valve body 1, the threaded pipe 4 is rotatably sleeved at the end portion of the valve sleeve 2, the inner wall of one end of the threaded pipe 4 is integrally provided with the limiting ring 5, and the inner diameter of the limiting ring 5 is smaller than the outer diameter of the first sealing ring 6. Concrete in this embodiment, 4 accessible screw-thread cooperations of screwed pipe cup joint at 1 tip of valve body, and through rotatory screwed pipe 4, it can be close to valve body 1 gradually, and spacing ring 5 and first sealing ring 6 butt this moment, and then screwed pipe 4 drives valve barrel 2 and is close to valve body 1, and until first sealing ring 6 and the inseparable butt of 1 end wall of valve body to and the inseparable butt of 2 tip of valve barrel and second sealing ring 9.
According to the preferable technical scheme in the embodiment, the ball 7 is embedded in the side wall, close to the limit ring 5, of the first sealing ring 6, and the limit ring 5 is in rolling contact with the ball 7; by providing the balls 7, the friction between the stop collar 5 and the first seal ring 6 can be greatly reduced.
In the preferred technical scheme in this embodiment, the inner wall of the end of the valve body 1 is a first connecting surface 11, the outer wall of the end of the valve housing 2 is a second connecting surface 12, and the first connecting surface 11 and the second connecting surface 12 are both conical and have the same size. In this embodiment, when the valve housing 2 is inserted into the valve body 1, the first connection surface 11 and the second connection surface 12 are in close fit contact with each other, so as to further improve the sealing performance between the valve body 1 and the valve housing 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A dual seal cartridge valve, comprising: the valve comprises a valve body (1), a valve sleeve (2) and a valve core (3);
one end of the valve sleeve (2) is inserted into the end part of the valve body (1), and the valve core (3) is arranged in the valve sleeve (2); the valve sleeve (2) is connected with the valve body (1) through a connecting piece, and the connecting piece can lock the relative position of the valve sleeve (2) and the valve body (1);
a first sealing ring (6) is fixedly sleeved on the outer wall of the valve sleeve (2), the outer diameter of the first sealing ring (6) is larger than the inner diameter of the valve body (1), a second sealing ring (9) is fixedly arranged on the inner wall of the valve body (1), and the inner diameter of the second sealing ring (9) is larger than the outer diameter of the end part of the valve sleeve (2);
when the first sealing ring (6) is abutted against the end wall of the valve body (1), the end wall of the valve sleeve (2) is abutted against the second sealing ring (9).
2. The dual sealing cartridge valve according to claim 1, wherein the first sealing ring (6) is integrally connected to the valve housing (2) and the second sealing ring (9) is integrally connected to the valve body (1).
3. The dual sealing cartridge valve according to claim 1, characterized in that the first sealing ring (6) is provided with a first sealing ring (8) on its side wall and the valve housing (2) is provided with a second sealing ring (10) on its end wall.
4. The dual sealing cartridge valve according to claim 3, wherein the first sealing ring (6) and the second sealing ring (9) are both made of rubber.
5. The dual-sealing cartridge valve according to claim 1, wherein the connecting member is a threaded pipe (4), an internal thread is provided on the inside of the threaded pipe (4), an external thread matching the internal thread is provided on the outer wall of the end portion of the valve body (1), the threaded pipe (4) is rotatably sleeved on the end portion of the valve housing (2), a limiting ring (5) is integrally provided on the inner wall of one end of the threaded pipe (4), and the inner diameter of the limiting ring (5) is smaller than the outer diameter of the first sealing ring (6).
6. The dual sealing cartridge valve according to claim 5, characterized in that balls (7) are embedded on the side wall of the first sealing ring (6) close to the limit ring (5), and the limit ring (5) is in rolling contact with the balls (7).
7. The dual sealing cartridge valve according to claim 1, wherein the inner wall of the end of the valve body (1) is a first connecting surface (11), the outer wall of the end of the valve housing (2) is a second connecting surface (12), and the first connecting surface (11) and the second connecting surface (12) are conical and have the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123374386.7U CN216643236U (en) | 2021-12-29 | 2021-12-29 | Double-sealing cartridge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123374386.7U CN216643236U (en) | 2021-12-29 | 2021-12-29 | Double-sealing cartridge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643236U true CN216643236U (en) | 2022-05-31 |
Family
ID=81745568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123374386.7U Expired - Fee Related CN216643236U (en) | 2021-12-29 | 2021-12-29 | Double-sealing cartridge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643236U (en) |
-
2021
- 2021-12-29 CN CN202123374386.7U patent/CN216643236U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |