CN218063438U - Butterfly valve structure of double cassette - Google Patents

Butterfly valve structure of double cassette Download PDF

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Publication number
CN218063438U
CN218063438U CN202221812592.3U CN202221812592U CN218063438U CN 218063438 U CN218063438 U CN 218063438U CN 202221812592 U CN202221812592 U CN 202221812592U CN 218063438 U CN218063438 U CN 218063438U
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CN
China
Prior art keywords
butterfly
valve
valve body
butterfly plate
snap ring
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Active
Application number
CN202221812592.3U
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Chinese (zh)
Inventor
刘邦林
李淑香
胡姗黎
王政
李军
陈鑫波
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China Valves Technology Changsha Co Ltd
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China Valves Technology Changsha Co Ltd
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Priority to CN202221812592.3U priority Critical patent/CN218063438U/en
Application granted granted Critical
Publication of CN218063438U publication Critical patent/CN218063438U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a butterfly valve structure with double clamps, which belongs to the field of butterfly valves and comprises a valve body, wherein a connecting seat is arranged at the top of the valve body, a driving mechanism is arranged at the top of the connecting seat, an upper clamping ring is arranged inside the valve body, and an upper valve shaft is arranged inside the valve body; through setting up actuating mechanism, the connecting seat, gland, the seal packing, go up the snap ring, the valve body, go up the valve shaft, the butterfly plate round pin, the butterfly plate, lower valve shaft, the clamping ring, the sealing washer, lower snap ring, the end cover, the filler, bearing and seal receptacle, can be at the in-process that the butterfly valve used, utilize snap ring and lower snap ring location, avoid the butterfly plate tenesmus, install the stuffing box again and adopt gland to compress tightly the filler, guarantee to seal, then connect drive arrangement, it is rotatory to drive valve shaft butterfly plate, operating condition lower seal circle and seal receptacle contact compression realize sealedly, the butterfly plate is whole flagging has been avoided, the not in-place phenomenon of closing entirely can appear, thereby brought the facility for the use of butterfly valve.

Description

Butterfly valve structure of double cassette
Technical Field
The utility model belongs to the technical field of the butterfly valve, concretely relates to butterfly valve structure of double cassette.
Background
The butterfly valve is a valve which uses the reciprocating rotation of a butterfly plate to open, close or adjust the medium flow, has simple structure, small volume, light weight, material consumption saving, small installation size, small driving moment and simple operation, and also has good flow adjusting function and closing sealing characteristic, is one of the fastest valve varieties developed in recent ten years, drives a valve shaft to rotate through a driving device, drives the butterfly plate to rotate, realizes opening and closing, is widely applied to various pipelines in industries such as power stations, tap water, environmental protection and the like, is mainly used as a cut-off device, is suitable for media such as water, gas and the like,
however, most of butterfly valves in pipelines are horizontally installed, the butterfly plates are integrally drooped under the action of gravity of the butterfly plates in partial vertical installation, and the phenomenon that the butterfly plates cannot be completely opened and completely closed can occur, so that the butterfly valve structure with double clamps is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve structure of double cassette to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a butterfly valve structure of double cassette, includes the valve body, the top of valve body is provided with the connecting seat, the top of connecting seat is provided with actuating mechanism, the inside of valve body is provided with the snap ring, the inside of valve body is provided with the valve shaft, the butterfly plate has been cup jointed in the outside activity of going up the valve shaft, and the side activity joint of going up the valve shaft has butterfly plate round pin, the inside fixed welding of valve body has the seal receptacle, the top of butterfly plate is provided with the sealing washer, the inside of butterfly plate bottom is provided with down the valve shaft, the inside of valve body is provided with the bearing, and the bottom of valve body has the end cover through construction bolt threaded connection, the top of end cover is provided with down the snap ring.
As a preferred embodiment, a packing gland is arranged at the top of the valve body, sealing packing is arranged at the bottom of the side surface of the packing gland, and the upper clamping ring is positioned at the bottom of the sealing packing.
In a preferred embodiment, the outer part of the butterfly plate pin is movably clamped with the inner part of the butterfly plate.
In a preferred embodiment, a pressing ring is screwed on the side surface of the butterfly plate through a fixing bolt, and the side surface of the pressing ring is in contact with the side surface of the sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that:
this butterfly valve structure of double cassette, through setting up actuating mechanism, the connecting seat, gland, the sealing filler, go up the snap ring, the valve body, go up the valve shaft, the butterfly plate round pin, the butterfly plate, lower valve shaft, the clamping ring, the sealing washer, lower snap ring, the end cover, the packing, bearing and seal receptacle, can be at the in-process that the butterfly valve used, utilize snap ring and lower snap ring location, avoid the butterfly plate tenesmus, install the stuffing box again and adopt gland to compress tightly the filler, guarantee to seal, then connect drive arrangement, it is rotatory to drive the valve shaft butterfly plate, operating condition lower seal circle and seal receptacle contact compression realize sealing, avoided the whole flagging of butterfly plate, can appear the not dead-end phenomenon of closing entirely, thereby brought the facility for the use of butterfly valve.
Drawings
FIG. 1 is a schematic view of the positioning of the snap ring according to the present invention;
fig. 2 is a front sectional view of an upper snap ring of the present invention;
fig. 3 is a front sectional view of the middle and lower snap ring of the present invention.
In the figure: 1. a drive mechanism; 2. a connecting seat; 3. a packing gland; 4. sealing and filling; 5. a snap ring is arranged; 6. a valve body; 7. an upper valve shaft; 8. a butterfly plate pin; 9. a butterfly plate; 10. a lower valve shaft; 11. pressing a ring; 12. a seal ring; 13. a lower snap ring; 14. an end cap; 15. a bearing; 16. and (4) a sealing seat.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be according to concrete condition do further adjustment the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of requiring protection.
Referring to fig. 1, 2 and 3, the present invention provides a butterfly valve structure with two clamps, which includes a valve body 6, in order to facilitate the use of the butterfly valve, a connecting seat 2 can be disposed at the top of the valve body 6, the top of the connecting seat 2 is provided with a driving mechanism 1, the interior of the valve body 6 is provided with an upper snap ring 5, the interior of the valve body 6 is provided with an upper valve shaft 7, a butterfly plate 9 is movably sleeved outside the upper valve shaft 7, the side surface of the upper valve shaft 7 is movably clamped with a butterfly plate pin 8, a sealing seat 16 is fixedly welded in the valve body 6, a sealing ring 12 is arranged at the top of the butterfly plate 9, the lower valve shaft 10 is arranged inside the bottom end of the butterfly plate 9, the bearing 15 is arranged inside the valve body 6, the bottom of the valve body 6 is connected with an end cover 14 through a mounting bolt, the top of the end cover 14 is provided with a lower snap ring 13, the top of the valve body 6 is provided with a packing gland 3, the bottom of the side surface of the packing gland 3 is provided with a sealing packing 4, the upper snap ring 5 is positioned at the bottom of the sealing packing 4, the outer part of the butterfly plate pin 8 is movably clamped with the inner part of the butterfly plate 9, the side surface of the butterfly plate 9 is connected with a pressing ring 11 through a fixing bolt thread, the side surface of the pressing ring 11 is contacted with the side surface of a sealing ring 12, in the using process, a butterfly plate 9 is fixedly connected with an upper valve shaft 7 through a butterfly plate pin 8, a sealing seat 16 is welded in the inner cavity of a valve body 6, a sealing ring 12 is fixed on the butterfly plate 9 by adopting a pressing ring 11, parts such as a bush bearing 15 and the like are arranged on the lower valve shaft side 10, the parts are positioned by a lower clamping ring 13, an end cover 14 is closed, after the bush bearing 15 is arranged on the side of the upper valve shaft 7, the upper snap ring 5 is also arranged for positioning to prevent the butterfly plate 9 from falling down, the sealing packing 4 is arranged and the packing gland 3 is adopted to compress the sealing packing 4 to ensure sealing, then the butterfly plate 9 is driven to rotate by connecting the driving mechanism 1, and the sealing ring 12 is contacted and compressed with the sealing seat 16 to realize sealing in a working state.
The utility model discloses a theory of operation and use flow: firstly, a butterfly plate 9 is fixedly connected with an upper valve shaft 7 through a butterfly plate pin 8, a sealing seat 16 is welded in an inner cavity of a valve body 6, a pressing ring 11 is adopted to fix a sealing ring 12 on the butterfly plate 9, a bushing bearing 15 and other parts are installed on the lower valve shaft side 10, a lower snap ring 13 is adopted to position, an end cover 14 is sealed, after the bushing bearing 15 is installed on the upper valve shaft 7 side, a snap ring 5 is also installed to position, the butterfly plate 9 is prevented from falling down, then a sealing filler 4 is installed, a filler gland 3 is adopted to compress the sealing filler 4 to guarantee sealing, then a driving mechanism 1 is connected to drive the butterfly plate 9 to rotate, the sealing ring 12 and the sealing seat 16 are in contact compression to realize sealing under the working state, the integral falling of the butterfly plate 9 is avoided, the phenomenon that the full-open full-close cannot reach the position can occur, and convenience is brought to the use of a butterfly valve.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a butterfly valve structure of double cassette, includes valve body (6), its characterized in that: the top of valve body (6) is provided with connecting seat (2), the top of connecting seat (2) is provided with actuating mechanism (1), the inside of valve body (6) is provided with snap ring (5), the inside of valve body (6) is provided with valve shaft (7), butterfly plate (9) have been cup jointed in the outside activity of going up valve shaft (7), and the side activity joint of going up valve shaft (7) has butterfly plate round pin (8), the inside fixed welding of valve body (6) has seal receptacle (16), the top of butterfly plate (9) is provided with sealing washer (12), the inside of butterfly plate (9) bottom is provided with down valve shaft (10), the inside of valve body (6) is provided with bearing (15), and the bottom of valve body (6) has end cover (14) through construction bolt threaded connection, the top of end cover (14) is provided with snap ring (13) down.
2. The butterfly valve structure of a double cartridge according to claim 1, wherein: the top of the valve body (6) is provided with a packing gland (3), the bottom of the side face of the packing gland (3) is provided with a sealing packing (4), and the upper snap ring (5) is located at the bottom of the sealing packing (4).
3. The butterfly valve structure of a double cartridge according to claim 1, wherein: the outer part of the butterfly plate pin (8) is movably clamped with the inner part of the butterfly plate (9).
4. The butterfly valve structure of a double cartridge according to claim 1, wherein: the side of butterfly plate (9) has clamping ring (11) through fixing bolt threaded connection, the side of clamping ring (11) contacts with the side of sealing washer (12).
CN202221812592.3U 2022-07-14 2022-07-14 Butterfly valve structure of double cassette Active CN218063438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221812592.3U CN218063438U (en) 2022-07-14 2022-07-14 Butterfly valve structure of double cassette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221812592.3U CN218063438U (en) 2022-07-14 2022-07-14 Butterfly valve structure of double cassette

Publications (1)

Publication Number Publication Date
CN218063438U true CN218063438U (en) 2022-12-16

Family

ID=84398832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221812592.3U Active CN218063438U (en) 2022-07-14 2022-07-14 Butterfly valve structure of double cassette

Country Status (1)

Country Link
CN (1) CN218063438U (en)

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