CN215861790U - Soft-sealing low-temperature butterfly valve - Google Patents
Soft-sealing low-temperature butterfly valve Download PDFInfo
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- CN215861790U CN215861790U CN202121840044.7U CN202121840044U CN215861790U CN 215861790 U CN215861790 U CN 215861790U CN 202121840044 U CN202121840044 U CN 202121840044U CN 215861790 U CN215861790 U CN 215861790U
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Abstract
The utility model relates to a soft sealing low-temperature butterfly valve, which comprises a valve body, a butterfly plate and a valve rod, wherein the butterfly plate and the valve rod are connected in the valve body in a matching way, and the soft sealing low-temperature butterfly valve also comprises: the sealing ring is arranged on the butterfly plate; the valve seat is arranged in the valve body and is matched and hermetically connected with the sealing ring; the section of the elastic support ring is designed to be V-shaped; the elastic support ring is arranged between the inner side of the sealing ring and the butterfly plate to support the sealing ring. The utility model has the beneficial effects that: the outer side of the sealing ring is tightly attached to the valve seat, so that the sealing ring is more stably connected with the valve seat, and the sealing performance of the sealing ring is better.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a soft-sealing low-temperature butterfly valve.
Background
The low-temperature butterfly valve is one of low-temperature valves, is commonly used for conveying media with the temperature of-40 ℃ to-196 ℃, and is disclosed in Chinese patent publication No.: CN205371655U discloses an ultra-low temperature butterfly valve, which comprises a valve body, a valve rod and a butterfly plate assembly, wherein a valve seat is fixedly arranged in a cavity of the valve body and is partitioned into a left liquid inlet channel and a right liquid outlet channel by the valve seat; the butterfly plate assembly is formed by fixedly connecting a metal pressing plate, a non-metal sealing ring and a metal butterfly plate which are sequentially arranged from left to right, and the valve seat is in sealing fit with the sealing ring; the right side of butterfly plate is equipped with the valve rod hole, the valve rod cartridge is in the valve rod downthehole.
Wherein, because the change of temperature between the sealing washer on the butterfly plate and the disk seat, the contact connection between the two can be unstable, produces the clearance easily, leads to the leakproofness can reduce, takes place to leak.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a soft-sealing low-temperature butterfly valve to solve the problems.
The technical scheme of the utility model is realized as follows: the utility model provides a soft seal low temperature butterfly valve, includes that valve body, cooperation are connected butterfly plate and the valve rod in the valve body, still includes:
the sealing ring is arranged on the butterfly plate;
the valve seat is arranged in the valve body and is matched and hermetically connected with the sealing ring;
the section of the elastic support ring is designed to be V-shaped;
the elastic support ring is arranged between the inner side of the sealing ring and the butterfly plate to support the sealing ring.
By adopting the technical scheme, the elastic support ring arranged in the V shape can effectively support the inner side of the sealing ring, so that the outer side of the sealing ring and the valve seat are kept in a tightly attached state, the connection between the sealing ring and the valve seat is more stable, and the sealing performance is better.
The utility model is further configured to: also includes:
the first groove is formed in the edge of the butterfly plate and is arranged in a step shape;
the first pressing ring corresponds to the first groove;
the second groove is arranged in the valve body;
the second pressing ring corresponds to the second groove;
the sealing ring and the elastic support ring are fixed in the first groove in a limiting mode through the first pressing ring, and the valve seat is fixed in the second groove in a limiting mode through the screw and the second pressing ring.
Through adopting above-mentioned technical scheme, can effectually fix sealing washer and elastic support ring on the butterfly plate through first clamping ring, fix the disk seat in the valve body through the second clamping ring, make its installation more convenient, connect more stably, firmly.
The utility model is further configured to: the elastic support ring comprises:
a bottom portion disposed inside the elastic support ring;
the supporting part is arranged on the outer side of the elastic supporting ring, and a gap is formed in the supporting part;
wherein, one side of supporting part is connected and forms the acute angle with one side of bottom, the supporting part is contradicted with the inboard of sealing washer and is connected, the breach is along a plurality of settings of the center circumference of elastic support ring.
Through adopting above-mentioned technical scheme, make the supporting part for the crooked light more of bottom through the breach, it is better to the support effect of sealing washer.
The utility model is further configured to: further comprising:
and the sealing gasket is arranged between the sealing ring and the butterfly plate.
Through adopting above-mentioned technical scheme, further improvement the sealed effect of sealing washer.
The utility model is further configured to: further comprising:
and the gasket is arranged between the second pressing ring and the valve seat.
Through adopting above-mentioned technical scheme, the packing ring makes the second clamping ring compress tightly more stable to the disk seat, and the lifting surface area is bigger.
The utility model is further configured to: the inner side surface of the valve seat is an inclined plane, and the outer side surface of the sealing ring and the inner side surface of the valve seat are correspondingly inclined.
Through adopting above-mentioned technical scheme, make being connected between disk seat and the sealing washer more stable, sealing performance is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an elastic support ring according to an embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the utility model discloses a soft sealing low-temperature butterfly valve, which comprises a valve body 1, a butterfly plate 2 and a valve rod 3, wherein the butterfly plate 2 and the valve rod 3 are connected in the valve body 1 in a matching way, and the soft sealing low-temperature butterfly valve further comprises:
the sealing ring 4 is arranged on the butterfly plate 2;
the valve seat 5 is arranged in the valve body 1 and is matched and hermetically connected with the sealing ring 4;
the section of the elastic support ring 8 is designed to be V-shaped;
the elastic support ring 8 is arranged between the inner side of the seal ring 4 and the butterfly plate 2 to support the seal ring 4.
By adopting the technical scheme, the elastic support ring arranged in the V shape can effectively support the inner side of the sealing ring, so that the outer side of the sealing ring and the valve seat are kept in a tightly attached state, the connection between the sealing ring and the valve seat is more stable, and the sealing performance is better.
In the embodiment of the utility model, the method further comprises the following steps:
the first groove 7 is formed in the edge of the butterfly plate 2, and the first groove 7 is arranged in a step shape;
the first pressing ring 6 corresponds to the first groove 7;
the second groove 11, the said second groove 11 is set up in the valve block 1;
the second pressing ring 10 corresponds to the second groove 11;
the sealing ring 4 and the elastic support ring 8 are fixed in the first groove 7 in a limiting mode through the first pressing ring 6, and the valve seat 5 is fixed in the second groove 11 in a limiting mode through the screw 9 and the second pressing ring 10.
Through adopting above-mentioned technical scheme, can effectually fix sealing washer and elastic support ring on the butterfly plate through first clamping ring, fix the disk seat in the valve body through the second clamping ring, make its installation more convenient, connect more stably, firmly.
In an embodiment of the present invention, the elastic support ring 8 comprises:
a bottom 80, said bottom 80 being arranged inside the elastic support ring 8;
the supporting part 81 is arranged on the outer side of the elastic supporting ring 8, and a notch 82 is formed in the supporting part 81;
wherein, one side of supporting part 81 is connected and forms the acute angle with one side of bottom 80, supporting part 81 is contradicted with the inboard of sealing washer 4 and is connected, breach 82 is along a plurality of settings of elastic support ring 8's central circumference.
Through adopting above-mentioned technical scheme, make the supporting part for the crooked light more of bottom through the breach, it is better to the support effect of sealing washer.
In the embodiment of the present invention, the method further includes:
and the sealing gasket 13 is arranged between the sealing ring 4 and the butterfly plate 2, and the sealing gasket 13 is arranged between the sealing ring 4 and the butterfly plate 2.
Through adopting above-mentioned technical scheme, further improvement the sealed effect of sealing washer.
In the embodiment of the present invention, the method further includes:
and the gasket 12 is arranged between the second pressing ring 10 and the valve seat 5.
Through adopting above-mentioned technical scheme, the packing ring makes the second clamping ring compress tightly more stable to the disk seat, and the lifting surface area is bigger.
In the embodiment of the present invention, the inner side surface of the valve seat 5 is an inclined surface, and the outer side surface of the seal ring 4 is inclined in correspondence to the inner side surface of the valve seat 5.
Through adopting above-mentioned technical scheme, make being connected between disk seat and the sealing washer more stable, sealing performance is better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a soft seal low temperature butterfly valve, includes valve body (1), cooperation connection butterfly plate (2) and valve rod (3) in valve body (1), its characterized in that still includes:
the sealing ring (4), the said sealing ring (4) is set up on the butterfly plate (2);
the valve seat (5), the valve seat (5) is arranged in the valve body (1) and is matched and hermetically connected with the sealing ring (4);
the cross section of the elastic support ring (8) is designed to be V-shaped;
the elastic support ring (8) is arranged between the inner side of the sealing ring (4) and the butterfly plate (2) to support the sealing ring (4).
2. The soft seal cryogenic butterfly valve of claim 1, further comprising:
the first groove (7), the first groove (7) is formed in the edge of the butterfly plate (2), and the first groove (7) is arranged in a step shape;
the first pressing ring (6), the first pressing ring (6) corresponds to the first groove (7);
the second groove (11), the said second groove (11) is set up in the valve block (1);
the second pressing ring (10), the second pressing ring (10) corresponds to the second groove (11);
the sealing ring (4) and the elastic support ring (8) are fixed in the first groove (7) in a limiting mode through the first pressing ring (6), and the valve seat (5) is fixed in the second groove (11) in a limiting mode through the screw (9) and the second pressing ring (10).
3. A soft-sealing cryogenic butterfly valve according to claim 1, characterized in that said elastic support ring (8) comprises:
a bottom (80), said bottom (80) being arranged inside the elastic support ring (8);
the supporting part (81), the supporting part (81) is arranged on the outer side of the elastic supporting ring (8), and a notch (82) is formed in the supporting part (81);
wherein, one side of supporting part (81) is connected and forms the acute angle with one side of bottom (80), supporting part (81) contradicts with the inboard of sealing washer (4) and is connected, breach (82) are along a plurality of settings of the center circumference of elastic support ring (8).
4. The soft seal cryogenic butterfly valve of claim 1, further comprising:
and the sealing gasket (13) is arranged between the sealing ring (4) and the butterfly plate (2).
5. The soft seal cryogenic butterfly valve of claim 1, further comprising:
and the gasket (12) is arranged between the second pressing ring (10) and the valve seat (5).
6. A soft-sealing cryogenic butterfly valve according to claim 1, characterized in that the inner side of the valve seat (5) is provided with an inclined slope, and the outer side of the sealing ring (4) is arranged inclined in correspondence with the inner side of the valve seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840044.7U CN215861790U (en) | 2021-08-06 | 2021-08-06 | Soft-sealing low-temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121840044.7U CN215861790U (en) | 2021-08-06 | 2021-08-06 | Soft-sealing low-temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861790U true CN215861790U (en) | 2022-02-18 |
Family
ID=80326891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121840044.7U Active CN215861790U (en) | 2021-08-06 | 2021-08-06 | Soft-sealing low-temperature butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861790U (en) |
-
2021
- 2021-08-06 CN CN202121840044.7U patent/CN215861790U/en active Active
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