CN213017860U - Soft sealing three-way shuttle valve - Google Patents
Soft sealing three-way shuttle valve Download PDFInfo
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- CN213017860U CN213017860U CN202022152772.0U CN202022152772U CN213017860U CN 213017860 U CN213017860 U CN 213017860U CN 202022152772 U CN202022152772 U CN 202022152772U CN 213017860 U CN213017860 U CN 213017860U
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Abstract
The utility model provides a soft sealing three-way shuttle valve, which comprises a joint body, wherein the joint body is respectively provided with a first inlet, a second inlet and an outlet; a valve core is arranged in the joint body in a sliding manner, and a first conical surface and a second conical surface are respectively arranged at two side ends of the valve core; a third conical surface matched with the first conical surface is arranged in the first pressing part, and a fourth conical surface matched with the second conical surface is arranged on the second pressing part; a first mounting groove and a second mounting groove are formed between the first conical surface and the second conical surface, a first sealing ring is mounted in the first mounting groove, and a second sealing ring is mounted in the second mounting groove; the valve core is fixed with a limiting sleeve, a first flange and a second flange are respectively arranged on two sides of the limiting sleeve, the first flange is abutted against the first sealing ring, and the second flange is abutted against the second sealing ring. The utility model provides a pair of soft sealing tee bend shuttle valve has overcome the relatively poor defect of current tee bend shuttle valve leakproofness.
Description
Technical Field
The utility model relates to the field of valves, especially, relate to a soft sealing tee bend shuttle valve.
Background
The valve has the advantages of convenient opening and closing and is widely applied to industry. The two-way valve is commonly used, and the valve with the structure only has one inlet and one outlet, can be only used for controlling the opening and closing of a single pipeline, and cannot be used for realizing a structure that two pipelines enter one pipeline and exit the other pipeline. If two pipelines need to enter one pipeline and exit the other pipeline, the pipelines or valves need to be added for realizing the operation, and the operation wastes time and labor and wastes materials.
Therefore, a three-way shuttle valve is designed, the three-way shuttle valve is equivalent to two one-way valves, two pipelines can enter one pipeline to exit, and the pipeline with high pressure is communicated with the outlet. The existing three-way shuttle valve is generally internally provided with a ball, when an inlet at one end is communicated, the ball can be pushed to the other inlet and blocks the inlet, so that only one inlet is communicated with an outlet; because the hard sealing structure of the ball is adopted, the sealing surface of the ball and the valve body is small, leakage is easy, and the sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that a soft sealing tee bend shuttle valve is provided to overcome the relatively poor defect of current tee bend shuttle valve leakproofness.
(II) technical scheme
In order to solve the technical problem, the utility model provides a soft sealing three-way shuttle valve, which comprises a joint body, wherein the joint body is respectively provided with a first inlet, a second inlet and an outlet which are communicated with each other; a valve core is arranged in the joint body in a sliding manner, and a first conical surface and a second conical surface are respectively arranged at two side ends of the valve core; a first pressing part is fixed in the first inlet, a second pressing part is fixed in the second inlet, a third conical surface matched with the first conical surface is arranged in the first pressing part, and a fourth conical surface matched with the second conical surface is arranged on the second pressing part; a first mounting groove and a second mounting groove are formed between the first conical surface and the second conical surface, a first sealing ring is mounted in the first mounting groove, and a second sealing ring is mounted in the second mounting groove; the valve core is fixed with a limiting sleeve, a first flange and a second flange are respectively arranged on two sides of the limiting sleeve, the first flange abuts against the first sealing ring, and the second flange abuts against the second sealing ring.
Furthermore, the valve core comprises a cylindrical body, and the cylindrical body is fixed with the limiting sleeve; the two ends of the cylindrical body are respectively provided with a first round platform and a second round platform, the first conical surface is arranged on the first round platform, and the second conical surface is arranged on the second round platform. The first mounting groove is formed between the first round platform and the cylindrical body in a surrounding mode, and the second mounting groove is formed between the second round platform and the cylindrical body in a surrounding mode. The cylindrical body, the first round platform and the second round platform are manufactured in an integrated forming mode, the first round platform and the second round platform are identical in structure, and the first installation groove and the second installation groove are identical in structure.
Further, the first tapered surface and the second tapered surface have the same structure, and the first compressing member and the second compressing member have the same structure. The first inlet and the second inlet extend along the horizontal direction, the outlet extends along the vertical direction, and the valve core can slide between the first inlet and the second inlet; the first inlet, the second inlet and the outlet are all horn-shaped with large outer openings and small inner openings. The first sealing ring and the second sealing ring have the same structure and are both O-shaped rings.
(III) advantageous effects
The utility model provides a soft seal three-way shuttle valve, adopt the soft seal to replace traditional hard seal structure, it is through the cooperation of first conical surface and third conical surface and the cooperation of second conical surface and fourth conical surface, can increase sealed face, reduce and reveal, improve sealing performance; when the two corresponding conical surfaces are attached, the sealing ring can be extruded and deformed, so that the sealing surface is enlarged, and the sealing performance is further improved; the limiting sleeve is arranged and can limit the first sealing ring and the second sealing ring, so that the sealing rings are prevented from falling off, and the structural stability of the product is improved; the defect of poor sealing performance of the existing three-way shuttle valve is overcome.
Drawings
Fig. 1 is a schematic structural view of a soft sealing three-way shuttle valve of the present invention;
FIG. 2 is a schematic structural view of the connection between the valve core and the stop collar of the soft sealing three-way shuttle valve of the present invention;
fig. 3 is a schematic structural view of the valve core of the soft sealing three-way shuttle valve of the present invention;
fig. 4 is a schematic structural view of the soft sealing three-way shuttle valve stop collar of the present invention;
fig. 5 is a schematic structural view of a first pressing member of the soft sealing three-way shuttle valve of the present invention;
fig. 6 is a schematic structural view of the soft sealing three-way shuttle valve joint body of the present invention;
the corresponding part names for the various reference numbers in the figures are: 1. a fitting body; 2. a valve core; 3. a first pressing member; 4. a second pressing member; 5. a first seal ring; 6. a second seal ring; 7. a limiting sleeve; 101. a first inlet; 102. a second inlet; 103. an outlet; 201. a first tapered surface; 202. a second tapered surface; 203. a first mounting groove; 204. a second mounting groove; 205. a cylindrical body; 206. a first circular table; 207. a second circular table; 301. a third conical surface; 401. a fourth tapered surface; 701. a first flange; 702. a second flange.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, the utility model provides a soft sealing three-way shuttle valve, which comprises a joint body 1, wherein the joint body 1 is respectively provided with a first inlet 101, a second inlet 102 and an outlet 103 which are communicated with each other. The first inlet 101 and the second inlet 102 extend along the horizontal direction, the outlet 103 extends along the vertical direction, and the first inlet 101, the second inlet 102 and the outlet 103 are horn-shaped with large outside openings and small inside openings.
Referring to fig. 1 and 2, a valve element 2 is slidably mounted in the joint body 1, and the valve element 2 can slide between a first inlet 101 and a second inlet 102. A first conical surface 201 and a second conical surface 202 are respectively arranged at two side ends of the valve core 2; a first pressing part 3 is fixed in the first inlet 101, a second pressing part 4 is fixed in the second inlet 102, a third conical surface 301 matched with the first conical surface 201 is arranged in the first pressing part 3, and a fourth conical surface 401 matched with the second conical surface 202 is arranged on the second pressing part 4; a first mounting groove 203 and a second mounting groove 204 are arranged between the first conical surface 201 and the second conical surface 202, a first sealing ring 5 is mounted in the first mounting groove 203, and a second sealing ring 6 is mounted in the second mounting groove 204.
Referring to fig. 2 and 3, the valve core 2 includes a cylindrical body 205, and the cylindrical body 205 is fixed to the position-limiting sleeve 7; the two ends of the cylindrical body 205 are respectively provided with a first circular truncated cone 206 and a second circular truncated cone 207, the first conical surface 201 is arranged on the first circular truncated cone 206, and the second conical surface 202 is arranged on the second circular truncated cone 207. A first mounting groove 203 is defined between the first circular truncated cone 206 and the cylindrical body 205, and a second mounting groove 204 is defined between the second circular truncated cone 207 and the cylindrical body 205; the cylindrical body 205, the first boss 206 and the second boss 207 are integrally formed.
In order to reduce the structure and save the manufacturing cost, the first tapered surface 201 and the second tapered surface 202 have the same structure, and the first pressing member 3 and the second pressing member 4 have the same structure; the first circular truncated cone 206 and the second circular truncated cone 207 have the same structure, and the first mounting groove 203 and the second mounting groove 204 have the same structure. The first sealing ring 5 and the second sealing ring 6 have the same structure and are both O-shaped rings.
Referring to fig. 2 and 4, a limiting sleeve 7 is fixed on the valve core 2, a first flange 701 and a second flange 702 are respectively arranged on two sides of the limiting sleeve 7, the first flange 701 abuts against the first sealing ring 5, and the second flange 702 abuts against the second sealing ring 6.
When in use, the first inlet 101, the second inlet 102 and the outlet 103 are respectively connected with a pipeline; when the first inlet 101 is filled with a medium, the valve core 2 and the limiting sleeve 7 are pushed to slide towards the second inlet 102, so that the second conical surface 202 is tightly attached to the fourth conical surface 401 and tightly presses the second sealing ring 6, the second inlet 102 is closed, and the first inlet 101 is communicated with the outlet 103; when the second inlet 102 is filled with a medium, the valve core 2 and the stop collar 7 are pushed to slide towards the first inlet 101, so that the first tapered surface 201 is tightly attached to the third tapered surface 301 and tightly pressed against the first sealing ring 5, and the first inlet 101 is closed, so that the second inlet 102 is communicated with the outlet 103 only.
According to the soft-seal three-way shuttle valve provided by the embodiment, the soft seal is adopted to replace a traditional hard seal structure, and through the matching of the first conical surface and the third conical surface and the matching of the second conical surface and the fourth conical surface, the seal surface can be enlarged, the leakage is reduced, and the sealing performance is improved; when the two corresponding conical surfaces are attached, the sealing ring can be extruded and deformed, so that the sealing surface is enlarged, and the sealing performance is further improved; and set up the stop collar, the stop collar can carry on spacingly to first sealing washer and second sealing washer, prevents that the sealing washer from droing, improves product structural stability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A soft sealing three-way shuttle valve comprises a joint body (1), wherein a first inlet (101), a second inlet (102) and an outlet (103) which are communicated with each other are respectively arranged on the joint body (1); the method is characterized in that: a valve core (2) is arranged in the joint body (1) in a sliding mode, and a first conical surface (201) and a second conical surface (202) are arranged at two side ends of the valve core (2) respectively; a first pressing part (3) is fixed in the first inlet (101), a second pressing part (4) is fixed in the second inlet (102), a third conical surface (301) matched with the first conical surface (201) is arranged in the first pressing part (3), and a fourth conical surface (401) matched with the second conical surface (202) is arranged on the second pressing part (4); a first mounting groove (203) and a second mounting groove (204) are arranged between the first conical surface (201) and the second conical surface (202), a first sealing ring (5) is mounted in the first mounting groove (203), and a second sealing ring (6) is mounted in the second mounting groove (204); a limiting sleeve (7) is fixed on the valve core (2), a first flange (701) and a second flange (702) are respectively arranged on two sides of the limiting sleeve (7), the first flange (701) abuts against the first sealing ring (5), and the second flange (702) abuts against the second sealing ring (6).
2. A soft seal three-way shuttle valve as defined in claim 1 wherein: the valve core (2) comprises a cylindrical body (205), and the cylindrical body (205) is fixed with the limiting sleeve (7); the two ends of the cylindrical body (205) are respectively provided with a first round table (206) and a second round table (207), the first conical surface (201) is arranged on the first round table (206), and the second conical surface (202) is arranged on the second round table (207).
3. A soft seal three-way shuttle valve as defined in claim 2 wherein: the first mounting groove (203) is defined by the first round table (206) and the cylindrical body (205), and the second mounting groove (204) is defined by the second round table (207) and the cylindrical body (205).
4. A soft seal three-way shuttle valve as defined in claim 2 wherein: the cylindrical body (205), the first round table (206) and the second round table (207) are manufactured in an integrated manner.
5. A soft seal three-way shuttle valve as defined in claim 3 wherein: the first round platform (206) and the second round platform (207) are identical in structure, and the first mounting groove (203) and the second mounting groove (204) are identical in structure.
6. A soft seal three-way shuttle valve as defined in claim 1 wherein: the first conical surface (201) and the second conical surface (202) are identical in structure, and the first pressing piece (3) and the second pressing piece (4) are identical in structure.
7. A soft seal three-way shuttle valve as defined in claim 1 wherein: the first inlet (101) and the second inlet (102) extend along the horizontal direction, the outlet (103) extends along the vertical direction, and the valve core (2) can slide between the first inlet (101) and the second inlet (102); the first inlet (101), the second inlet (102) and the outlet (103) are all horn-shaped with large outside openings and small inside openings.
8. A soft seal three-way shuttle valve as defined in claim 1 wherein: the first sealing ring (5) and the second sealing ring (6) are identical in structure and are both O-shaped rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152772.0U CN213017860U (en) | 2020-09-27 | 2020-09-27 | Soft sealing three-way shuttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022152772.0U CN213017860U (en) | 2020-09-27 | 2020-09-27 | Soft sealing three-way shuttle valve |
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| Publication Number | Publication Date |
|---|---|
| CN213017860U true CN213017860U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022152772.0U Active CN213017860U (en) | 2020-09-27 | 2020-09-27 | Soft sealing three-way shuttle valve |
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| CN (1) | CN213017860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776833A (en) * | 2022-04-10 | 2022-07-22 | 青岛景天艾尔科技有限公司 | Pneumatic control three-way shuttle valve |
-
2020
- 2020-09-27 CN CN202022152772.0U patent/CN213017860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776833A (en) * | 2022-04-10 | 2022-07-22 | 青岛景天艾尔科技有限公司 | Pneumatic control three-way shuttle valve |
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