CN213541330U - Sealing structure of metal flange type sealing butterfly valve - Google Patents
Sealing structure of metal flange type sealing butterfly valve Download PDFInfo
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- CN213541330U CN213541330U CN202022318625.6U CN202022318625U CN213541330U CN 213541330 U CN213541330 U CN 213541330U CN 202022318625 U CN202022318625 U CN 202022318625U CN 213541330 U CN213541330 U CN 213541330U
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Abstract
The utility model discloses a seal structure of metal flange formula seal butterfly valve, including main part mechanism, conflict mechanism, sealing mechanism, lug, pressure spring, intake pipe, first gasbag, blast pipe, second gasbag and actuating mechanism. The utility model has the advantages that: conflict mechanism contradicts with the lateral wall of second gasbag, the second gasbag install in main body mechanism inside and with the one end intercommunication of blast pipe, the blast pipe other end and first gasbag intercommunication, first gasbag is installed in main body mechanism's inside, the one end of intake pipe communicates in the inside of first gasbag, the both ends difference fixed connection of pressure spring is in the lateral wall of first gasbag and lug, lug sliding connection is in main body mechanism's inner wall, press lug extrusion pressure spring, make the inside gas of first gasbag pass through the blast pipe and arrange into in the second gasbag, and then make the second gasbag inflation, thereby be favorable to improving the leakproofness between second gasbag and the main body mechanism, the while has also prevented the condition that the long-term use back equipment separation effect variation leads to liquid leakage.
Description
Technical Field
The utility model relates to a seal structure specifically is a seal structure of butterfly valve is sealed to metal flange formula belongs to butterfly valve technical field.
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 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.
According to the sealing structure of the flange type soft sealing butterfly valve disclosed in the prior patent with the application number of 201921814858.6, the sealing structure is convenient for rotating a butterfly valve water-stop plate and simultaneously improves the convenience of using the butterfly valve; however, after long-term use, the water-blocking effect of the water-blocking plate may be deteriorated due to the impact of water flow, so that the sealing performance of the butterfly valve is reduced, and the improvement of the use efficiency of the butterfly valve is not facilitated to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a seal structure of metal flange formula seal butterfly valve just in order to solve above-mentioned problem, the flexible operation, the installation of being convenient for makes the inflation of second gasbag through pressing down the lug, and then has strengthened the leakproofness of butterfly valve.
The utility model realizes the above purpose by the following technical proposal, the sealing structure of the metal flange type sealing butterfly valve comprises a main body mechanism, wherein a conflict mechanism is arranged in the main body mechanism and conflicts with the side wall of the sealing mechanism, the sealing mechanism comprises a lug, a pressure spring, an air inlet pipe, a first air bag, an exhaust pipe and a second air bag, the conflict mechanism conflicts with the side wall of the second air bag, the second air bag is arranged in the main body mechanism and is communicated with one end of the exhaust pipe, the exhaust pipe is fixedly connected with the inner wall of the main body mechanism, the other end of the exhaust pipe is communicated with the inner wall of the first air bag, the first air bag is fixedly arranged on the inner wall of the main body mechanism, one end of the air inlet pipe is communicated with the inner part of the first air bag and is fixedly arranged on the inner wall of the main body mechanism, a plurality of pressure springs are fixedly arranged in the main body, and the two ends of the pressure spring are respectively and fixedly connected with the first air bag and the lug, the lug is connected with the inner wall of the main body mechanism in a sliding manner, and a driving mechanism is arranged in the main body mechanism in a rotating manner.
Preferably, for the convenience of fixing first gasbag, main part mechanism includes fixed block and butterfly valve body, fixed block fixed mounting in the top of butterfly valve body, the second gasbag install in the inside of butterfly valve body, blast pipe fixed connection in the inner wall of butterfly valve body, first gasbag with intake pipe fixed mounting in the inner wall of fixed block, lug sliding connection in the inner wall of fixed block.
Preferably, in order to seal the butterfly valve body, the main body mechanism further comprises an installation block and a water stop plate, the installation block is fixedly connected to the top end of the fixed block, and the water stop plate is installed inside the butterfly valve body and rotatably connected to the side wall of the second air bag.
Preferably, for the convenience of extrudeing the second gasbag, conflict mechanism is including sealed pad and snap ring, sealed pad fixed connection in the lateral wall of snap ring and with the lateral wall of second gasbag is contradicted, snap ring sliding connection in the inner wall of butterfly valve body, just the cross-section of snap ring is the arcuation structure.
Preferably, for the convenience of making the snap ring can reset, conflict mechanism still includes expanding spring and fibre sponge, the snap ring with expanding spring's one end fixed connection, expanding spring's the other end fixed mounting in the inner wall of butterfly valve body, fibre sponge fixed mounting in the butterfly valve body is close to sealed inner wall of filling up.
Preferably, in order to make first awl tooth rotate, actuating mechanism includes carousel, pivot and first awl tooth, the one end of pivot is run through the lateral wall of installation piece and is extended to the carousel, the carousel rotate in the lateral wall of installation piece, the other end of pivot run through and fixed connection in the inner wall of first awl tooth, first awl tooth rotate in the inside of installation piece.
Preferably, in order to make the fixed rod drive the water-stop sheet to rotate, the driving mechanism further comprises a second conical tooth and a fixed rod, the first conical tooth is meshed with the second conical tooth, the second conical tooth is fixedly installed on the side wall of one end of the fixed rod, the other end of the fixed rod penetrates through the installation block, the fixed block and the inner wall of the water-stop sheet, and the fixed rod is fixedly connected to the inner wall of the water-stop sheet and rotatably connected to the inner wall of the butterfly valve body.
The utility model has the advantages that: the abutting mechanism abuts against the side wall of the second air bag, the second air bag is arranged inside the main body mechanism and is communicated with one end of an exhaust pipe, the exhaust pipe is fixedly connected with the inner wall of the main body mechanism, the other end of the exhaust pipe is communicated with the inside of the first air bag, the first air bag is fixedly arranged on the inner wall of the main body mechanism, one end of an air inlet pipe is communicated with the inside of the first air bag and is fixedly arranged on the inner wall of the main body mechanism, a plurality of pressure springs are fixedly arranged inside the main body mechanism in a, two ends of the pressure spring are respectively and fixedly connected with the first air bag and the convex block, the convex block is connected with the inner wall of the main body mechanism in a sliding way, the convex block is pressed to extrude the pressure spring, so that the gas in the first air bag enters the second air bag through the exhaust pipe, and then make the second gasbag inflation to be favorable to improving the leakproofness between second gasbag and the main part mechanism, also prevented simultaneously that the equipment separation effect after long-term use worsens and lead to the condition of liquid leakage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view showing a connection structure of the sealing mechanism and the interference mechanism shown in fig. 1;
FIG. 3 is an enlarged view of the part A shown in FIG. 2;
fig. 4 is an enlarged schematic view of the structure of the part B shown in fig. 2.
In the figure: 1. the main part mechanism, 11, the installation piece, 12, the fixed block, 13, the butterfly valve body, 14, the water-stop sheet, 2, actuating mechanism, 21, the carousel, 22, the pivot, 23, first awl tooth, 24, the second awl tooth, 25, the dead lever, 3, sealing mechanism, 31, the lug, 32, the pressure spring, 33, the intake pipe, 34, first gasbag, 35, the blast pipe, 36, the second gasbag, 4, conflict mechanism, 41, sealed pad, 42, the snap ring, 43, expanding spring, 44, the fibre sponge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a sealing structure of a metal flange type sealing butterfly valve includes a main body mechanism 1, a collision mechanism 4 is installed inside the main body mechanism 1, the collision mechanism 4 abuts against a side wall of a sealing mechanism 3, the sealing mechanism 3 includes a protrusion 31, a pressure spring 32, an air inlet pipe 33, a first air bag 34, an air outlet pipe 35 and a second air bag 36, the collision mechanism 4 abuts against a side wall of the second air bag 36, the second air bag 36 is installed inside the main body mechanism 1 and is communicated with one end of the air outlet pipe 35, the air outlet pipe 35 is fixedly connected to an inner wall of the main body mechanism 1, and the other end of the air outlet pipe 35 is communicated with an interior of the first air bag 34, the first air bag 34 is fixedly installed on an inner wall of the main body mechanism 1, one end of the air inlet pipe 33 is communicated with an interior of the first air bag 34 and is fixedly installed on an inner wall, a plurality of two-by-two set of the compressed springs 32 are fixedly installed inside the main mechanism 1, two ends of each compressed spring 32 are respectively and fixedly connected to the first air bag 34 and the bump 31, the bump 31 is slidably connected to the inner wall of the main mechanism 1, and the driving mechanism 2 is rotated inside the main mechanism 1.
As a technical optimization scheme of the utility model, main part mechanism 1 includes fixed block 12 and butterfly valve body 13, fixed block 12 fixed mounting in the top of butterfly valve body 13, second gasbag 36 install in the inside of butterfly valve body 13, blast pipe 35 fixed connection in the inner wall of butterfly valve body 13, first gasbag 34 with intake pipe 33 fixed mounting in the inner wall of fixed block 12, lug 31 sliding connection in the inner wall of fixed block 12.
As a technical optimization scheme of the utility model, main part mechanism 1 is still including installation piece 11 and water-stop sheet 14, installation piece 11 fixed connection in the top of fixed block 12, water-stop sheet 14 install in butterfly valve body 13 inside and rotary connection in the lateral wall of second gasbag 36.
As a technical optimization scheme of the utility model, conflict mechanism 4 is including sealed 41 and snap ring 42 of filling up, sealed 41 fixed connection in of filling up the lateral wall of snap ring 42 and with the lateral wall of second gasbag 36 is contradicted, snap ring 42 sliding connection in the inner wall of butterfly valve body 13, just the cross-section of snap ring 42 is ARC structure.
As a technical optimization scheme of the utility model, conflict mechanism 4 still includes expanding spring 43 and fibre sponge 44, snap ring 42 with expanding spring 43's one end fixed connection, expanding spring 43's the other end fixed mounting in butterfly valve body 13's inner wall, fibre sponge 44 fixed mounting in butterfly valve body 13 is close to sealed inner wall of filling up 41.
As a technical optimization scheme of the utility model, actuating mechanism 2 includes carousel 21, pivot 22 and first awl tooth 23, the one end of pivot 22 is run through the lateral wall of installation piece 11 and extend to carousel 21, carousel 21 rotate in the lateral wall of installation piece 11, the other end of pivot 22 run through and fixed connection in the inner wall of first awl tooth 23, first awl tooth 23 rotate in the inside of installation piece 11.
As a technical optimization scheme of the utility model, actuating mechanism 2 still includes second conical tooth 24 and dead lever 25, first conical tooth 23 engage in second conical tooth 24, second conical tooth 24 fixed mounting in the lateral wall of dead lever 25 one end, the other end of dead lever 25 runs through installation piece 11 the fixed block 12 with the inner wall of water-stop sheet 14, dead lever 25 fixed connection in the inner wall of water-stop sheet 14 and rotate connect in the inner wall of butterfly valve body 13.
When the utility model is used, firstly, an operator firstly tries the tool to connect the two ends of the butterfly valve body 13 with the pipeline of the device, then when the butterfly valve body 13 needs to be opened, the rotating disc 21 is rotated by hand, the rotating disc 21 is fixedly connected with one end of the rotating shaft 22, the other end of the rotating shaft 22 is fixed on the inner wall of the first bevel gear 23, the first bevel gear 23 is meshed with the second bevel gear 24, the second bevel gear 24 is installed on the side wall of the fixed rod 25, the fixed rod 35 penetrates through the inner walls of the installation block 11 and the fixed block 12 and is rotatably connected with the inner wall of the butterfly valve body 13, and the side wall of the fixed rod 25 is fixedly connected to the inner wall of the water stop plate 14, the water stop plate 14 rotates inside the butterfly valve body 13, when the rotary disc 21 rotates, the rotary shaft 22 drives the first bevel gear 23 to rotate, so that the second conical tooth 24 drives the fixing rod 25 to rotate, and water flow can circulate from the interior of the butterfly valve body 13 when the fixing rod 25 drives the water-stop sheet 14 to rotate; after the operation personnel use, the water stop plate 14 rotates again to stop the water flow, then the sliding lug 31 on the inner wall of the fixed block 12 is pressed by hands, the lug 31 is fixedly connected with one end of the pressure spring 32, the other end of the pressure spring 32 is provided with the side wall of the first air bag 34, the first air bag 34 is arranged on the inner wall of the fixed block 12, the air inlet pipe 33 is fixed on the inner wall of the fixed block 12 and communicated with the inside of the first air bag 34, the air outlet pipe 35 is arranged on the inner wall of the butterfly valve body 13, two ends of the air outlet pipe are communicated with the inside of the first air bag 34 and the second air bag 36, the second air bag 36 is arranged inside the butterfly valve body 13 and is abutted against the side wall of the snap ring 42, the snap ring 42 slides on the inner wall of the butterfly valve body 13 and is fixedly connected with one end of the expansion spring 43, the other end of the expansion spring 43 is, the gas in the first air bag 34 enters the second air bag 36 through the exhaust pipe 35, and the second air bag 36 is expanded, so that the sealing performance between the water-stop sheet 14 and the second air bag 36 is improved, the water-stop effect of the water-stop sheet 14 is prevented from being poor after the water-stop sheet is used for a long time, and the use efficiency of the device is improved to a certain extent; when the second air bag 36 expands, the side wall of the snap ring 42 is squeezed, so that the snap ring 42 drives the sealing gasket 41 to slide into the butterfly valve body 13, the snap ring 42 is abutted against the second air bag 36 under the reaction force of the expansion spring 43, and meanwhile, the sealing effect between the snap ring 42 and the second air bag 36 is also improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a seal structure of butterfly valve is sealed to metal flange formula, includes main part mechanism (1), its characterized in that: the inner mounting of main part mechanism (1) has conflict mechanism (4), conflict mechanism (4) is contradicted with the lateral wall of sealing mechanism (3), sealing mechanism (3) includes lug (31), pressure spring (32), intake pipe (33), first gasbag (34), blast pipe (35) and second gasbag (36), conflict mechanism (4) with the lateral wall of second gasbag (36) is contradicted, second gasbag (36) install in the inside of main part mechanism (1) and with the one end intercommunication of blast pipe (35), blast pipe (35) fixed connection in the inner wall of main part mechanism (1) and the other end with the inside intercommunication of first gasbag (34), first gasbag (34) fixed mounting in the inner wall of main part mechanism (1), the one end of intake pipe (33) communicate in the inside of first gasbag (34) and fixed mounting in the inner wall of main part mechanism (1), a plurality of two liang of a set of fixed mounting in pressure spring (32) in the inside of main part mechanism (1), just the both ends of pressure spring (32) respectively fixed connection in first gasbag (34) with lug (31), lug (31) sliding connection in the inner wall of main part mechanism (1), the inside of main part mechanism (1) is rotated and is had actuating mechanism (2).
2. A seal structure of a metal flange type seal butterfly valve according to claim 1, characterized in that: main part mechanism (1) includes fixed block (12) and butterfly valve body (13), fixed block (12) fixed mounting in the top of butterfly valve body (13), second gasbag (36) install in the inside of butterfly valve body (13), blast pipe (35) fixed connection in the inner wall of butterfly valve body (13), first gasbag (34) with intake pipe (33) fixed mounting in the inner wall of fixed block (12), lug (31) sliding connection in the inner wall of fixed block (12).
3. A sealing structure of a metal flange type sealing butterfly valve according to claim 2, characterized in that: the main body mechanism (1) further comprises an installation block (11) and a water stop plate (14), the installation block (11) is fixedly connected to the top end of the fixed block (12), and the water stop plate (14) is installed in the butterfly valve body (13) and is rotatably connected to the side wall of the second air bag (36).
4. A sealing structure of a metal flange type sealing butterfly valve according to claim 2, characterized in that: conflict mechanism (4) including sealed pad (41) and snap ring (42), sealed pad (41) fixed connection in the lateral wall of snap ring (42) and with the lateral wall of second gasbag (36) is contradicted, snap ring (42) sliding connection in the inner wall of butterfly valve body (13), just the cross-section of snap ring (42) is the arcuation structure.
5. A seal structure of a metal flange type seal butterfly valve according to claim 4, characterized in that: conflict mechanism (4) still include expanding spring (43) and fibre sponge (44), snap ring (42) with the one end fixed connection of expanding spring (43), the other end fixed mounting of expanding spring (43) in the inner wall of butterfly valve body (13), fibre sponge (44) fixed mounting in butterfly valve body (13) are close to the inner wall of sealed pad (41).
6. A seal structure of a metal flange type seal butterfly valve according to claim 3, characterized in that: actuating mechanism (2) are including carousel (21), pivot (22) and first awl tooth (23), the one end of pivot (22) is run through the lateral wall of installation piece (11) and extend to carousel (21), carousel (21) rotate in the lateral wall of installation piece (11), the other end of pivot (22) runs through and fixed connection in the inner wall of first awl tooth (23), first awl tooth (23) rotate in the inside of installation piece (11).
7. A seal structure of a metal flange type seal butterfly valve according to claim 6, characterized in that: actuating mechanism (2) still include second conical tooth (24) and dead lever (25), first conical tooth (23) meshing in second conical tooth (24), second conical tooth (24) fixed mounting in the lateral wall of dead lever (25) one end, the other end of dead lever (25) runs through installation piece (11) fixed block (12) with the inner wall of water-stop sheet (14), dead lever (25) fixed connection in the inner wall and the rotation of water-stop sheet (14) connect in the inner wall of butterfly valve body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022318625.6U CN213541330U (en) | 2020-10-16 | 2020-10-16 | Sealing structure of metal flange type sealing butterfly valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022318625.6U CN213541330U (en) | 2020-10-16 | 2020-10-16 | Sealing structure of metal flange type sealing butterfly valve |
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| CN213541330U true CN213541330U (en) | 2021-06-25 |
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| CN202022318625.6U Active CN213541330U (en) | 2020-10-16 | 2020-10-16 | Sealing structure of metal flange type sealing butterfly valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780949A (en) * | 2024-02-23 | 2024-03-29 | 靖江市三菱暖通机械制造有限公司 | Separated valve body structure |
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2020
- 2020-10-16 CN CN202022318625.6U patent/CN213541330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780949A (en) * | 2024-02-23 | 2024-03-29 | 靖江市三菱暖通机械制造有限公司 | Separated valve body structure |
| CN117780949B (en) * | 2024-02-23 | 2024-05-28 | 靖江市三菱暖通机械制造有限公司 | Separated valve body structure |
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