CN216200655U - Leak-proof butterfly valve - Google Patents
Leak-proof butterfly valve Download PDFInfo
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- CN216200655U CN216200655U CN202122595043.7U CN202122595043U CN216200655U CN 216200655 U CN216200655 U CN 216200655U CN 202122595043 U CN202122595043 U CN 202122595043U CN 216200655 U CN216200655 U CN 216200655U
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Abstract
The utility model discloses a leakproof butterfly valve, which belongs to the technical field of butterfly valves and comprises a valve body, wherein a valve shaft is rotatably connected inside the valve body, a shaft sleeve is fixedly connected at the upper end of the valve body, a turbine box is fixedly connected at the upper end of the shaft sleeve, a rotating handle is rotatably connected at the left side of the turbine box, a rotating wheel is fixedly connected at the left side of the rotating handle, an annular sleeve is fixedly connected at the left side of the turbine box, an external thread ring is arranged at the front side of the valve body, an internal thread ring is arranged at the front side of a butterfly plate, then a sealing ring is clamped at the joint of the external thread ring and the internal thread ring, the sealing ring is shielded and wrapped by a clamping cover, the phenomenon that the sealing ring falls off and is clamped unstably so that the joint of the valve body and the butterfly plate leaks is avoided, meanwhile, a sealing sleeve and a sealing gasket are clamped at the joint of the annular sleeve and the rotating handle, and gravel particles are prevented from moving to the joint of the rotating handle and the annular sleeve by the sealing sleeve and the sealing gasket, thereby avoiding the problem that the rotating handle can not normally rotate to work due to the clamping of sand and stone particles.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a leakage-proof butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The sealing ring majority of the junction of present butterfly valve body and dish board is direct joint or is fixed through fixed glue, but these methods make the installation of sealing ring unstable all not good to make the water-proof effects of butterfly valve not good, there is the clearance simultaneously in the junction of valve body and turning handle, and the junction is filled in the gravel and sand granule easily after long-term use, thereby influences the normal rotation work of turning handle.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a leakage-proof butterfly valve, an external thread ring is arranged on the front side of a valve body, an internal thread ring is arranged on the front side of a butterfly plate, a sealing ring is clamped at the joint of the external thread ring and the internal thread ring, then a clamping cover is used for shielding and wrapping the sealing ring, the phenomenon that the joint of the valve body and the butterfly plate leaks due to the fact that the sealing ring falls off and is clamped unstably is avoided, meanwhile, a sealing sleeve gasket and a sealing gasket are clamped at the joint of an annular sleeve and a rotating handle, and gravel particles are prevented from moving to the joint of the rotating handle and the annular sleeve through the sealing sleeve and the sealing gasket, so that the rotating handle cannot normally rotate due to clamping of the gravel particles is avoided.
In order to solve the above problems, the present invention adopts the following technical solutions.
A leak-proof butterfly valve comprises a valve body, wherein a valve shaft is rotatably connected inside the valve body, a shaft sleeve is fixedly connected at the upper end of the valve body, a turbine box is fixedly connected at the upper end of the shaft sleeve, a rotating handle is rotatably connected at the left side of the turbine box, a rotating wheel is fixedly connected at the left side of the rotating handle, an annular sleeve is fixedly connected at the left side of the turbine box, a sealing sleeve is clamped and sealed inside the annular sleeve, a sealing gasket is fixedly connected at the left side of the sealing sleeve, a butterfly plate is clamped and connected at the front side of the valve body through threads, an internal thread ring is fixedly connected at the front side of the butterfly plate, an external thread ring is fixedly connected at the front side of the valve body, a sealing ring is clamped and sealed at the joint of the internal thread ring and the external thread ring, a clamping cover is rotatably connected at the internal thread ring and the external thread ring through threads, a base is fixedly connected at the lower end of the valve body, and the external thread ring is arranged at the front side of the valve body, the front side of dish board sets up the internal thread ring, then the junction joint sealing ring of external thread ring and internal thread ring, then shelter from the parcel through the card lid to the sealing ring and live, avoid the sealing ring to drop the joint insecure and make the phenomenon that the junction of valve body and dish board appears leaking, simultaneously through the junction joint sealing boot and the sealed pad at annular cover and turning handle, avoid the gravel and sand granule to remove the junction of turning handle and annular cover through sealing boot and sealed pad, thereby avoid making the turning handle can not normally rotate work because gravel and sand granule joint.
Furthermore, the valve shaft rotates to penetrate through the upper end of the valve body, the valve shaft rotates to penetrate through the inside of the shaft sleeve, and the shaft sleeve is arranged to play a role in wrapping, protecting and supporting the valve shaft.
Furthermore, the rotating handle rotates to penetrate through the inside of the annular sleeve, the sealing gasket is sealed with the left side of the annular sleeve, and the rotating handle is wrapped, protected and supported through the arrangement of the annular sleeve.
Further, a plurality of otic placodes of valve body fixedly connected with, the otic placode is equipped with the screw hole, through the setting of otic placode, conveniently passes through bolt fixed mounting valve body.
Further, the sealing ring is respectively clung to the sealing with the junction of valve body and dish board and is sealed, the sealing ring sets up in the inside of card lid, through the connection of internal thread ring, external screw thread ring and card lid, plays to shelter from limiting displacement to the sealing ring, has increaseed the life and the installation steadiness of sealing ring.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme sets up the external screw thread ring through the front side at the valve body, the front side of dish board sets up the internal thread ring, then the junction joint sealing ring of external screw thread ring and internal thread ring, then shelter from the parcel through the card lid to the sealing ring and live, avoid the sealing ring to drop the joint insecure and make the phenomenon that the junction of valve body and dish board appears leaking, simultaneously through the junction joint sealing boot seal and the sealed pad at annular cover and turning handle, avoid the gravel and sand granule to remove the junction of turning handle and annular cover through sealing boot and sealed pad, thereby avoid making the turning handle normally rotate work because gravel and sand granule joint.
(2) The valve shaft rotates and passes the upper end of valve body, and the inside of axle sleeve is passed in the valve shaft rotation, through the setting of axle sleeve, plays parcel protection supporting role to the valve shaft.
(3) The rotating handle rotates to penetrate through the inside of the annular sleeve, the sealing gasket is sealed with the left side of the annular sleeve, and the rotating handle plays a role in wrapping, protecting and supporting through the arrangement of the annular sleeve.
(4) A plurality of otic placodes of valve body fixedly connected with, the otic placode is equipped with the screw hole, through the setting of otic placode, conveniently passes through bolt fixed mounting valve body.
(5) The sealing ring is respectively tightly attached to the joint of the valve body and the disc plate and is sealed, the sealing ring is arranged in the clamping cover, the sealing ring is connected with the clamping cover through the internal thread ring, the external thread ring, the blocking limiting effect is achieved on the sealing ring, and the service life and the installation stability of the sealing ring are prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the valve body and the shaft sleeve;
FIG. 3 is a partial cross-sectional view of the connection of the valve body and the bushing of the present invention;
FIG. 4 is a rear view of the card cover of the present invention;
fig. 5 is an enlarged right side view of the seal cartridge and gasket junction of the present invention.
The reference numbers in the figures illustrate:
the valve comprises a valve body 1, a valve shaft 2, a shaft sleeve 3, a turbine box 4, a rotating handle 5, a rotating wheel 6, an annular sleeve 7, a sealing sleeve 8, a sealing gasket 9, an ear plate 10, a threaded hole 11, a disc plate 12, an internal threaded ring 13, an external threaded ring 14, a sealing ring 15, a clamping cover 16 and a base 17.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-5, a leakage-proof butterfly valve comprises a valve body 1, referring to fig. 1-3, a valve shaft 2 is rotatably connected inside the valve body 1, a shaft sleeve 3 is fixedly connected to the upper end of the valve body 1, a turbine box 4 is fixedly connected to the upper end of the shaft sleeve 3, a rotating handle 5 is rotatably connected to the left side of the turbine box 4, a rotating wheel 6 is fixedly connected to the left side of the rotating handle 5, an annular sleeve 7 is fixedly connected to the left side of the turbine box 4, a sealing sleeve 8 is clamped and sealed inside the annular sleeve 7, a sealing gasket 9 is fixedly connected to the left side of the sealing sleeve 8, a butterfly plate 12 is clamped and connected to the front side of the valve body 1 through threads, an internal thread ring 13 is fixedly connected to the front side of the butterfly plate 12, an external thread ring 14 is fixedly connected to the front side of the valve body 1, a sealing ring 15 is clamped and sealed at the joint of the internal thread ring 13 and the external thread ring 14, and a clamping cover 16 is rotatably connected to the internal thread ring 13 and the external thread ring 14 through threads, lower extreme fixedly connected with base 17 of valve body 1, set up external screw thread ring 14 through the front side at valve body 1, the front side of dish board 12 sets up internal thread ring 13, then external screw thread ring 14 and internal thread ring 13's junction joint sealing ring 15, then shelter from the parcel to seal ring 15 through card lid 16, avoid sealing ring 15 to drop the joint insecure and make the phenomenon that the junction of valve body 1 and dish board 12 appears leaking, simultaneously through the junction joint sealing boot 8 and the sealed pad 9 of annular cover 7 with turning handle 5, avoid the gravel and sand granule to remove the junction of turning handle 5 with annular cover 7 through sealing boot 8 and sealed pad 9, thereby avoid making turning handle 5 can not normally rotate work because gravel and sand granule joint.
Referring to fig. 1-3, the valve shaft 2 passes through the upper end of the valve body 1, the valve shaft 2 passes through the inside of the shaft sleeve 3, the shaft sleeve 3 is arranged to support the valve shaft 2 in a wrapping protection manner, the rotating handle 5 passes through the inside of the annular sleeve 7 in a rotating manner, the sealing gasket 9 is sealed with the left side of the annular sleeve 7, and the annular sleeve 7 is arranged to support the rotating handle 5 in a wrapping protection manner.
Referring to fig. 1-3, the valve body 1 is fixedly connected with a plurality of lug plates 10, the lug plates 10 are provided with threaded holes 11, the valve body 1 is conveniently and fixedly mounted through bolts through the arrangement of the lug plates 10, the sealing ring 15 is respectively tightly attached to the joint of the valve body 1 and the disc plate 12 and sealed, the sealing ring 15 is arranged inside the clamping cover 16, the sealing ring 15 is shielded and limited through the connection of the internal thread ring 13 and the external thread ring 14 with the clamping cover 16, and the service life and the mounting stability of the sealing ring 15 are prolonged.
Connect sealing ring 15 joint in the junction of internal thread ring 13 and external thread ring 14, then through screw thread joint card lid 16, set up external thread ring 14 in the front side of valve body 1, the front side of dish board 12 sets up internal thread ring 13, then external thread ring 14 and internal thread ring 13's junction joint sealing ring 15, then shelter from the parcel to live sealing ring 15 through card lid 16, avoid sealing ring 15 to drop the joint insecure and make the phenomenon that the junction of valve body 1 and dish board 12 appears leaking, simultaneously through the junction joint sealing boot 8 and the sealed pad 9 of annular cover 7 with turning handle 5, avoid the gravel and sand granule to remove the junction of turning handle 5 with annular cover 7 through sealing boot 8 and sealed pad 9, thereby avoid making turning handle 5 can not normally rotate work because gravel and sand granule joint.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a leak protection dish valve, includes valve body (1), its characterized in that: the valve shaft (2) is rotatably connected inside the valve body (1), the shaft sleeve (3) is fixedly connected to the upper end of the valve body (1), the turbine box (4) is fixedly connected to the upper end of the shaft sleeve (3), the rotating handle (5) is rotatably connected to the left side of the turbine box (4), the rotating wheel (6) is fixedly connected to the left side of the rotating handle (5), the annular sleeve (7) is fixedly connected to the left side of the turbine box (4), the sealing sleeve (8) is clamped and sealed inside the annular sleeve (7), the sealing gasket (9) is fixedly connected to the left side of the sealing sleeve (8), the disc plate (12) is clamped and connected to the front side of the valve body (1) through threads, the internal thread ring (13) is fixedly connected to the front side of the disc plate (12), the external thread ring (14) is fixedly connected to the front side of the valve body (1), and the sealing ring (15) is clamped and sealed to the joint of the internal thread ring (13) and the external thread ring (14), the valve is characterized in that the internal thread ring (13) and the external thread ring (14) are rotatably connected with a clamping cover (16) through threads, and the lower end of the valve body (1) is fixedly connected with a base (17).
2. An anti-leakage butterfly valve according to claim 1, characterized in that: the valve shaft (2) penetrates through the upper end of the valve body (1) in a rotating mode, and the valve shaft (2) penetrates through the inside of the shaft sleeve (3) in a rotating mode.
3. An anti-leakage butterfly valve according to claim 1, characterized in that: the rotating handle (5) penetrates through the inner part of the annular sleeve (7) in a rotating mode, and the sealing gasket (9) is sealed with the left side of the annular sleeve (7).
4. An anti-leakage butterfly valve according to claim 1, characterized in that: the valve body (1) is fixedly connected with a plurality of lug plates (10), and the lug plates (10) are provided with threaded holes (11).
5. An anti-leakage butterfly valve according to claim 1, characterized in that: the sealing rings (15) are respectively tightly attached to and sealed with the joints of the valve body (1) and the disc plate (12), and the sealing rings (15) are arranged inside the clamping cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122595043.7U CN216200655U (en) | 2021-10-27 | 2021-10-27 | Leak-proof butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122595043.7U CN216200655U (en) | 2021-10-27 | 2021-10-27 | Leak-proof butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200655U true CN216200655U (en) | 2022-04-05 |
Family
ID=80890945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122595043.7U Active CN216200655U (en) | 2021-10-27 | 2021-10-27 | Leak-proof butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200655U (en) |
-
2021
- 2021-10-27 CN CN202122595043.7U patent/CN216200655U/en active Active
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