CN216045510U - Double-eccentric butterfly valve with rubber valve seat - Google Patents
Double-eccentric butterfly valve with rubber valve seat Download PDFInfo
- Publication number
- CN216045510U CN216045510U CN202122394169.8U CN202122394169U CN216045510U CN 216045510 U CN216045510 U CN 216045510U CN 202122394169 U CN202122394169 U CN 202122394169U CN 216045510 U CN216045510 U CN 216045510U
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- valve
- rubber
- valve seat
- seat
- valve body
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- 238000012856 packing Methods 0.000 claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims abstract description 9
- 230000030279 gene silencing Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 34
- 238000010030 laminating Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 7
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a double-eccentric butterfly valve with a rubber valve seat, which comprises a valve body, wherein the valve body is a main mounting structure of the valve, the outer surface of the valve body is provided with a silencing groove, and a butterfly plate is arranged inside the valve body; the packing gland is positioned at the top end of the valve body, and a packing assembly is arranged at the bottom end of the packing gland; the valve rod is positioned inside the butterfly plate, and a shaft sleeve is arranged on the outer surface of one end of the valve rod; the rubber valve seat is positioned on the inner surface of the valve body, and a guide hole is formed in the rubber valve seat. This rubber disk seat's two eccentric butterfly valves sets up inside the butterfly valve through increasing rubber disk seat, can reduce the wearing and tearing that the disk seat received in the mine pipeline, improves holistic wearability to inside mounting groove and the sealed piece of being provided with of rubber disk seat, the rubber disk seat of being convenient for is directly taken out from the valve rod is inside, when not influencing the leakproofness, can also change rubber disk seat fast, thereby has increased the holistic flexibility of disk seat.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a double-eccentric butterfly valve with a rubber valve seat.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (valve clack or butterfly plate) as a disc and rotating around a valve shaft to achieve opening and closing.
However, the valve seat of the butterfly valve in the prior art uses polytetrafluoroethylene, which is easily eroded and abraded in some similar working conditions such as mine working conditions to cause leakage, thereby reducing the service life of the whole butterfly valve and the sealing performance of the whole butterfly valve, and therefore, a double-eccentric butterfly valve with a rubber valve seat is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-eccentric butterfly valve with a rubber valve seat, which aims to solve the problems that the valve seat of the butterfly valve in the prior art uses polytetrafluoroethylene, and the polytetrafluoroethylene is easily scoured and worn to cause leakage in similar working conditions such as mine working conditions and the like, so that the service life of the whole butterfly valve is shortened, and the sealing performance of the whole butterfly valve is reduced.
In order to achieve the purpose, the utility model provides the following technical scheme: a rubber seated double offset butterfly valve comprising:
the valve body is a main mounting structure of the valve, a silencing groove is formed in the outer surface of the valve body, and a butterfly plate is arranged inside the valve body;
the packing gland is positioned at the top end of the valve body, and a packing assembly is arranged at the bottom end of the packing gland;
the valve rod is positioned inside the butterfly plate, and a shaft sleeve is arranged on the outer surface of one end of the valve rod;
the rubber valve seat is positioned on the inner surface of the valve body, and a guide hole is formed in the rubber valve seat.
As a preferred technical scheme of the utility model, the outer surface of one end of the rubber valve seat is connected with a connecting sleeve in a fitting manner, and the rubber valve seat and the inside of the connecting sleeve are connected with locking screws.
By adopting the technical scheme, the rubber valve seat is convenient to fix the position of the rubber valve seat through being connected with the connecting sleeve, and the sealing block can be limited, so that the installation convenience is improved.
As a preferred technical scheme of the utility model, an installation groove is formed in the rubber valve seat, and one end of the installation groove is of a semi-arc structure.
By adopting the technical scheme, the mounting groove arranged inside the rubber valve seat enables the whole rubber valve seat to be provided with one section of notch, so that the rubber valve seat is directly separated from the outer side of the valve rod, and the rubber valve seat is convenient to disassemble and assemble.
As the preferable technical scheme of the utility model, the inside of the mounting groove is connected with the sealing block, and the sealing block is in fit connection with the mounting groove.
By adopting the technical scheme, the sealing block arranged in the mounting groove can ensure that the inner wall of the rubber valve seat is smooth, and can also improve the flexibility of the whole rubber valve seat by the separation of the sealing block and the mounting groove.
As a preferable technical scheme of the utility model, clamping blocks are symmetrically arranged on the outer surface of the sealing block, and the thickness of the sealing block is the same as that of the rubber valve seat.
Adopt above-mentioned technical scheme, sealed piece makes the mounting groove can violently indulge two directions to sealed piece spacing through set up fixture block and mounting groove interconnect at the surface outward, avoids sealed piece to break away from in the rubber valve seat because of the friction to the stability of monolithic connection has been increased.
As a preferable technical scheme of the utility model, the radian of one end of the sealing block is the same as that of the guide hole, and the sealing block and the guide hole are movably connected with the valve rod.
Adopt above-mentioned technical scheme, through the shape structure of sealed piece and guiding hole, can be to the spacing while of valve rod, also can be quick with the valve rod separation, reduce simultaneously to valve rod rotation torque power to holistic practicality has been increased.
Compared with the prior art, the utility model has the beneficial effects that: this rubber disk seat's two eccentric butterfly valves:
1. the rubber valve seat is additionally arranged in the butterfly valve, so that the abrasion of the valve seat in a mine pipeline can be reduced, the integral abrasion resistance is improved, the mounting groove and the sealing block are arranged in the rubber valve seat, the rubber valve seat can be conveniently and directly pulled out from the valve rod, the sealing performance is not influenced, and the rubber valve seat can be rapidly replaced, so that the integral flexibility of the valve seat is improved;
2. through both ends set up the fixture block about sealed piece, when sealed piece was connected with the rubber valve seat, can connect in the recess at both ends about the seal groove is inside by two fixture blocks, not only improved the convenience of installation, can also carry out horizontal vertical spacing to sealed piece simultaneously, avoid sealed piece not hard up because of long-term friction to holistic practicality has been increased.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the overall front view structure of the present invention;
FIG. 3 is a schematic overall side view of the present invention;
FIG. 4 is a schematic view of the interior of the rubber valve seat of the present invention in elevation;
FIG. 5 is a schematic top view of a rubber valve seat according to the present invention;
FIG. 6 is a schematic view of the cross-sectional structure of the rubber valve seat and the sealing block in the top view;
FIG. 7 is a schematic view of the cross-sectional side view of the rubber valve seat and the sealing block of the present invention.
In the figure: 1. a valve body; 2. a packing gland; 3. a packing assembly; 4. a valve stem; 5. a butterfly plate; 6. a shaft sleeve; 7. a rubber valve seat; 8. connecting sleeves; 9. locking the screw; 10. a silencing groove; 11. a guide hole; 12. mounting grooves; 13. a sealing block; 14. and (7) clamping blocks.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a rubber seated double offset butterfly valve comprising:
the valve body 1 is a main mounting structure of the valve, a silencing groove 10 is formed in the outer surface of the valve body 1, and a butterfly plate 5 is arranged inside the valve body 1; the packing gland 2 is positioned at the top end of the valve body 1, and a packing component 3 is arranged at the bottom end of the packing gland 2; the valve rod 4 is positioned inside the butterfly plate 5, and a shaft sleeve 6 is arranged on the outer surface of one end of the valve rod 4; the rubber valve seat 7 is located on the inner surface of the valve body 1, and a guide hole 11 is formed in the rubber valve seat 7.
The outer surface of one end of the rubber valve seat 7 is connected with a connecting sleeve 8 in a fitting manner, and locking screws 9 are connected inside the rubber valve seat 7 and the connecting sleeve 8; the rubber valve seat 7 is mutually connected with the connecting sleeve 8, so that the position of the rubber valve seat 7 is convenient to fix, and the sealing block 13 can be limited, so that the installation convenience is improved; an installation groove 12 is formed in the rubber valve seat 7, and one end of the installation groove 12 is of a semi-arc structure; the mounting groove 12 is formed in the rubber valve seat 7, so that a gap is reserved on the whole rubber valve seat 7, the rubber valve seat 7 can be conveniently and directly separated from the outer side of the valve rod 4, and the rubber valve seat 7 can be conveniently disassembled and assembled; the inside of the mounting groove 12 is connected with a sealing block 13, and the sealing block 13 is in fit connection with the mounting groove 12; the sealing block 13 arranged in the mounting groove 12 can ensure the smoothness of the inner wall of the rubber valve seat 7, and can improve the overall flexibility of the rubber valve seat 7 in a manner that the sealing block 13 is separated from the mounting groove 12; the outer surface of the sealing block 13 is symmetrically provided with clamping blocks 14, and the thickness of the sealing block 13 is the same as that of the rubber valve seat 7; the sealing block 13 is mutually connected with the mounting groove 12 by arranging the clamping block 14 on the outer surface, so that the mounting groove 12 can limit the sealing block 13 in the transverse and longitudinal directions, and the sealing block 13 is prevented from being separated from the rubber valve seat 7 due to friction, so that the stability of integral connection is improved; the radian of one end of the sealing block 13 is the same as that of the guide hole 11, and the sealing block 13 and the guide hole 11 are movably connected with the valve rod 4; through the shape structure of sealed piece 13 and guiding hole 11, can be to valve rod 4 spacing in, also can be quick separate with valve rod 4, reduce simultaneously to valve rod 4 rotation torque power to holistic practicality has been increased
The working principle is as follows: when using this rubber valve seat's two eccentric butterfly valves, at first with rubber valve seat 7 block inside valve body 1, connect sealed piece 13 in rubber valve seat 7's mounting groove 12 afterwards, and laminate adapter sleeve 8 both ends about rubber valve seat 7, use locking screw 9 to fix between rubber valve seat 7 and the adapter sleeve 8, and spacing sealed piece 13, make rubber valve seat 7 fix inside valve body 1, and do not influence the normal function of valve rod 4, when needing to carry out the dismouting to rubber valve seat 7 simultaneously, only need take out sealed piece 13 from mounting groove 12, and directly take out rubber valve seat 7 from valve rod 4 surface can, it is convenient to install, reduce required time and the step of change disk seat, thereby whole practicality has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double eccentric butterfly valve of rubber disk seat which characterized in that includes:
the valve body (1) is a main mounting structure of the valve, a silencing groove (10) is formed in the outer surface of the valve body (1), and a butterfly plate (5) is arranged inside the valve body (1);
the packing gland (2) is positioned at the top end of the valve body (1), and a packing assembly (3) is arranged at the bottom end of the packing gland (2);
the valve rod (4) is positioned inside the butterfly plate (5), and a shaft sleeve (6) is arranged on the outer surface of one end of the valve rod (4);
the rubber valve seat (7) is located on the inner surface of the valve body (1), and a guide hole (11) is formed in the rubber valve seat (7).
2. The double eccentric butterfly valve with a rubber valve seat according to claim 1, wherein: the laminating of the one end surface of rubber valve seat (7) is connected with adapter sleeve (8), rubber valve seat (7) and adapter sleeve (8) internal connection have locking screw (9).
3. The double eccentric butterfly valve with a rubber valve seat according to claim 1, wherein: the rubber valve seat is characterized in that a mounting groove (12) is formed in the rubber valve seat (7), and one end of the mounting groove (12) is of a semi-arc structure.
4. A rubber-seated double eccentric butterfly valve according to claim 3, characterized in that: the mounting groove (12) is internally connected with a sealing block (13), and the sealing block (13) is in fit connection with the mounting groove (12).
5. The double eccentric butterfly valve with a rubber valve seat according to claim 4, wherein: the outer surface of the sealing block (13) is symmetrically provided with clamping blocks (14), and the thickness of the sealing block (13) is the same as that of the rubber valve seat (7).
6. The double eccentric butterfly valve with a rubber valve seat according to claim 4, wherein: the radian of one end of the sealing block (13) is the same as that of the guide hole (11), and the sealing block (13) and the guide hole (11) are movably connected with the valve rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122394169.8U CN216045510U (en) | 2021-09-30 | 2021-09-30 | Double-eccentric butterfly valve with rubber valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122394169.8U CN216045510U (en) | 2021-09-30 | 2021-09-30 | Double-eccentric butterfly valve with rubber valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045510U true CN216045510U (en) | 2022-03-15 |
Family
ID=80547571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122394169.8U Active CN216045510U (en) | 2021-09-30 | 2021-09-30 | Double-eccentric butterfly valve with rubber valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045510U (en) |
-
2021
- 2021-09-30 CN CN202122394169.8U patent/CN216045510U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 361100, 1st Floor, No. 39 Huliyuan, Industrial Concentration Zone, Tong'an District, Xiamen City, Fujian Province Patentee after: Xiamen Sophie fluid control equipment Co.,Ltd. Address before: 361100 186 xitanggou Longli, Xinmin Town, Tong'an District, Xiamen City, Fujian Province Patentee before: Xiamen Sophie fluid control equipment Co.,Ltd. |