CN217463438U - Double-sealing structure of valve - Google Patents
Double-sealing structure of valve Download PDFInfo
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- CN217463438U CN217463438U CN202220924951.8U CN202220924951U CN217463438U CN 217463438 U CN217463438 U CN 217463438U CN 202220924951 U CN202220924951 U CN 202220924951U CN 217463438 U CN217463438 U CN 217463438U
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- seal
- barrel
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Abstract
The utility model discloses a valve double-seal structure, including valve body, sleeve, rubber seal, embedded groove, disk seat, hard sealed face, in the sleeve inserted valve body, the sleeve comprises consecutive first barrel, hard seal section, second barrel, and the external diameter of first barrel is greater than the external diameter of second barrel, and hard seal section is the flat cylinder that one section surface generating line is the pitch arc, the tip of valve body is equipped with a mounting groove, and the tank bottom of mounting groove is equipped with a first cell body, installs a disk seat in the mounting groove, and the disk seat be close to first cell body end and be equipped with a second cell body, and first cell body and second cell body constitute an embedded groove jointly, in the rubber seal embedding embedded groove. The utility model discloses a cooperate rubber seal with first barrel, the hard seal section cooperatees with the hard seal face for double sealing has when the valve is closed, and is sealed more reliable, difficult emergence seepage.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of valve, especially seal structure's technical field.
[ background of the invention ]
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. When the existing valve is closed, a single sealing structure is often adopted, the sealing reliability is not ideal enough, and leakage is easy to occur.
[ Utility model ] content
The utility model aims at solving the problem in the prior art, providing a valve double containment structure, can make the valve have double seal when closing, it is sealed more reliable, difficult seepage.
In order to achieve the purpose, the utility model provides a valve double-sealing structure, which comprises a valve body, a sleeve, a rubber sealing ring, an embedded groove, a valve seat and a hard sealing surface, wherein the sleeve is inserted into the valve body and consists of a first cylinder, a hard sealing section and a second cylinder which are sequentially connected, the outer diameter of the first cylinder is larger than that of the second cylinder, the hard sealing section is a flat cylinder with a section of outer surface bus as an arc line, the end part of the valve body is provided with a mounting groove, the bottom of the mounting groove is provided with a first groove body, the valve seat is mounted in the mounting groove, the end of the valve seat close to the first groove body is provided with a second groove body, the first groove body and the second groove body jointly form the embedded groove, the rubber sealing ring is embedded into the embedded groove, the valve seat compresses the rubber sealing ring, the inner wall of the rubber sealing ring is tightly attached to the first cylinder, the inner wall of the valve seat is provided with the hard sealing surface matched with the hard sealing section, the hard seal segment compresses the hard seal face.
Preferably, the inner wall of the rubber seal ring is located outside the embedded groove, and the inner wall of the rubber seal ring is an arc-shaped surface protruding towards the axial side of the rubber seal ring.
Preferably, the rubber sealing ring is an L-shaped sealing ring, and the shape of the embedding groove is matched with that of the rubber sealing ring.
Preferably, the generatrix of the outer surface of the hard seal segment is an arc line which protrudes outwards.
The utility model has the advantages that: the rubber sealing ring is matched with the first cylinder, and the hard sealing section is matched with the hard sealing surface, so that the valve has double sealing when being closed, the sealing is more reliable, and the leakage is not easy to occur; the rubber sealing ring is L-shaped, so that the rubber sealing ring is not easy to fall off, and the sealing reliability is ensured.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a dual sealing structure of a valve of the present invention;
in the figure: 1-valve body, 2-sleeve, 3-rubber sealing ring, 4-valve seat, 10-embedded groove, 11-hard sealing surface, 15-mounting groove, 16-first groove body, 21-first cylinder body, 22-hard sealing section, 23-second cylinder body and 40-second groove body.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a valve double-sealing structure, including a valve body 1, a sleeve 2, a rubber seal ring 3, an embedded groove 10, a valve seat 4, a hard sealing surface 11, the sleeve 2 is inserted into the valve body 1, the sleeve 2 is composed of a first cylinder 21, a hard sealing section 22 and a second cylinder 23 which are connected in sequence, the outer diameter of the first cylinder 21 is larger than the outer diameter of the second cylinder 23, the hard sealing section 22 is a flat cylinder with a section of outer surface bus as an arc line, the end of the valve body 1 is provided with an installation groove 15, the bottom of the installation groove 15 is provided with a first groove body 16, the valve seat 4 is installed in the installation groove 15, the end of the valve seat 4 close to the first groove body 16 is provided with a second groove body 40, the first groove body 16 and the second groove body 40 jointly form an embedded groove 10, the rubber seal ring 3 is embedded into the embedded groove 10, the valve seat 4 compresses the rubber seal ring 3, the inner wall of the rubber seal ring 3 is tightly attached to the first cylinder 21, be equipped with on the inner wall of disk seat with hard seal section complex hard seal face, hard seal section 22 sticiss hard seal face 11, rubber seal 3's inner wall is located the outside of embedded groove 10, and rubber seal 3's inner wall is the bellied arcwall face of 3 axial sides of rubber seal, rubber seal 3 is L shape sealing washer, and embedded groove 10 shape suits with rubber seal 3, hard seal section 22 surface generating line is outside bellied pitch arc.
The utility model discloses the working process:
in the working process of the double-sealing structure of the valve, the rubber sealing ring 3 is matched with the first cylinder 21, and the hard sealing section 22 is matched with the hard sealing surface 11, so that the double sealing is realized when the valve is closed, the sealing is more reliable, and the leakage is not easy to occur; the rubber sealing ring 3 is in an L shape, so that the rubber sealing ring 3 is not easy to fall off, and the sealing reliability is ensured.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. A valve double-seal structure is characterized in that: comprises a valve body (1), a sleeve (2), a rubber sealing ring (3), an embedded groove (10), a valve seat (4) and a hard sealing surface (11), wherein the sleeve (2) is inserted into the valve body (1), the sleeve (2) consists of a first barrel (21), a hard sealing section (22) and a second barrel (23) which are sequentially connected, the outer diameter of the first barrel (21) is larger than that of the second barrel (23), the hard sealing section (22) is a flat cylinder with a section of outer surface bus as an arc line, the end part of the valve body (1) is provided with a mounting groove (15), the groove bottom of the mounting groove (15) is provided with a first groove body (16), the valve seat (4) is mounted in the mounting groove (15), the end of the valve seat (4), which is close to the first groove body (16), is provided with a second groove body (40), and the first groove body (16) and the second groove body (40) jointly form the embedded groove (10), rubber seal (3) embedding embedded groove (10) is interior, and disk seat (4) compress tightly rubber seal (3), and first barrel (21) are hugged closely to the inner wall of rubber seal (3), be equipped with on the inner wall of disk seat (4) with hard seal section (22) matched with hard seal face (11), hard seal section (22) sticiss hard seal face (11).
2. The dual valve sealing structure of claim 1, wherein: the inner wall of the rubber sealing ring (3) is located outside the embedded groove (10), and the inner wall of the rubber sealing ring (3) is an arc-shaped surface protruding towards the axial line side of the rubber sealing ring (3).
3. The dual valve sealing structure of claim 1, wherein: the rubber sealing ring (3) is an L-shaped sealing ring, and the shape of the embedded groove (10) is matched with that of the rubber sealing ring (3).
4. The dual valve sealing structure of claim 1, wherein: the generatrix of the outer surface of the hard sealing section (22) is an arc line which protrudes outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220924951.8U CN217463438U (en) | 2022-04-19 | 2022-04-19 | Double-sealing structure of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220924951.8U CN217463438U (en) | 2022-04-19 | 2022-04-19 | Double-sealing structure of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217463438U true CN217463438U (en) | 2022-09-20 |
Family
ID=83269876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220924951.8U Active CN217463438U (en) | 2022-04-19 | 2022-04-19 | Double-sealing structure of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217463438U (en) |
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2022
- 2022-04-19 CN CN202220924951.8U patent/CN217463438U/en active Active
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