CN211667165U - High leakproofness butterfly valve - Google Patents

High leakproofness butterfly valve Download PDF

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Publication number
CN211667165U
CN211667165U CN201921959930.4U CN201921959930U CN211667165U CN 211667165 U CN211667165 U CN 211667165U CN 201921959930 U CN201921959930 U CN 201921959930U CN 211667165 U CN211667165 U CN 211667165U
Authority
CN
China
Prior art keywords
plate
butterfly valve
connecting tube
bevel gear
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921959930.4U
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Chinese (zh)
Inventor
郑志连
徐华乐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laian Buffalo Hvac Equipment Co ltd
Original Assignee
Laian Buffalo Hvac Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laian Buffalo Hvac Equipment Co ltd filed Critical Laian Buffalo Hvac Equipment Co ltd
Priority to CN201921959930.4U priority Critical patent/CN211667165U/en
Application granted granted Critical
Publication of CN211667165U publication Critical patent/CN211667165U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a high leakproofness butterfly valve, including ring flange, connecting tube and adjusting device, the cylindrical hollow structure of connecting tube, the ring flange is installed to connecting tube outside symmetry, connecting tube upper end mid-mounting has adjusting device. The butterfly valve can solve the problems that the existing butterfly valve is poor in use effect and inconvenient to adjust, rubber on the outer side of the disc plate and the pipe wall have more friction after the existing butterfly valve is used for a long time, so that the disc plate is easy to deform, a larger gap is formed between the disc plate and a pipeline, the sealing effect between the disc plate and the pipeline is poor, the phenomenon of water leakage is easy to occur, and the like.

Description

High leakproofness butterfly valve
Technical Field
The utility model relates to a butterfly valve production field, in particular to high leakproofness butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close. 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.
At present, the prior butterfly valve usually has the following defects in the use process: when the existing butterfly valve is used, the use effect is poor, the adjustment is inconvenient, after the butterfly valve is used for a long time, more friction occurs between rubber and a pipe wall outside the disc plate, the disc plate is easy to deform, a large gap can be generated between the disc plate and the pipeline, the sealing effect between the disc plate and the pipeline is poor, and the water leakage phenomenon is easy to occur.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model discloses can solve current butterfly valve when using, the result of use is poor, adjust inconvenient, long-time back of using, and more friction takes place for the rubber in the dish board outside and pipe wall for the dish board easily takes place deformation, can produce great space between dish board and the pipeline, and it is poor to lead to the sealed effect between dish board and the pipeline, difficult problems such as the phenomenon of easily appearing leaking.
(II) technical scheme
In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a high leakproofness butterfly valve, including ring flange, connecting tube and adjusting device, the cylindrical hollow structure of connecting tube, the ring flange is installed to connecting tube outside symmetry, connecting tube upper end mid-mounting has adjusting device.
Adjusting device include adjustment mechanism, axis of rotation, dish board and seal carrier, the connecting tube upper end install adjustment mechanism, the inside axis of rotation of installing through the bearing of connecting tube, the axis of rotation upper end is connected with adjustment mechanism, fixed mounting has the dish board in the axis of rotation, the seal carrier is installed to the connecting tube, dish board and seal carrier sealing connection.
The dish board include annular plate, sector groove, cushion and the tight branch in top, the annular plate install in the axis of rotation, the annular plate outside symmetry is provided with sector groove, the cushion is installed in the sector groove outside, the inside tight branch in top that is provided with of sector groove, the tight branch in top is installed inside the annular plate.
As an optimal technical scheme of the utility model, the ring flange cross-section be U type structure, evenly be provided with the mounting hole on the ring flange, the ring flange is inside to be provided with sealed the pad.
As a preferred technical scheme of the utility model, adjustment mechanism include mount, swivel ring, connecting rod, bearing frame, bevel gear and No. two bevel gear, the mount install at connecting tube upper end middle part, mount upper end mid-mounting has the bearing frame, bearing frame internally mounted has the connecting rod, the swivel ring is installed to the connecting rod upper end, bevel gear is installed to the connecting rod lower extreme, bevel gear meshing has No. two bevel gear, No. two bevel gear installs in the axis of rotation.
As an optimal technical scheme of the utility model, the tight branch chain in top include spout, sliding plate, expanding spring and the tight board in top, the annular plate on evenly be provided with the spout, the spout is inside to be connected with the sliding plate through sliding fit's mode, install expanding spring between sliding plate inboard and the spout, the sliding plate outside is passed through branch and is connected with the tight board in top, the tight board in top is located the fan-shaped inslot.
As an optimal technical scheme of the utility model, the tight board in top make for metal elastic material, the tight board in top is the arc structure, the tight board outer end in top is the arcwall face.
As an optimal technical scheme of the utility model, the seal carrier be the arc structure, the seal carrier has rubber materials to make, the inside concave groove that is provided with of seal carrier.
(III) advantageous effects
1. The adjusting mechanism of the butterfly valve with high sealing performance provided by the utility model can effectively adjust the disc plate, has good use effect and convenient adjustment, and is beneficial to manual operation;
2. the butterfly valve with high sealing performance provided by the utility model has the advantages that the disc plate can effectively cling to the pipeline, the problem of deformation of the disc plate after long-time use is avoided, and the use effect of the butterfly valve is ensured;
3. the utility model provides a high leakproofness butterfly valve, the cushion that its tight branch chain in top can the effectual butterfly valve outside of assurance can be hugged closely with the pipeline wall all the time, avoids the butterfly plate outside to take place to wear and tear and leads to the phenomenon that sealed effect is poor to take place to do benefit to the long-time use of butterfly valve.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention between the rotating shaft and the disc plate;
fig. 3 is a schematic structural view of the tightening plate of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 3, the high-sealing butterfly valve comprises a flange plate 1, a connecting pipeline 2 and an adjusting device 3, wherein the flange plate 1 is symmetrically installed on the outer side of the connecting pipeline 2 in a cylindrical hollow structure, and the adjusting device 3 is installed in the middle of the upper end of the connecting pipeline 2.
The section of the flange plate 1 is of a U-shaped structure, mounting holes 11 are uniformly formed in the flange plate 1, a sealing gasket 12 is arranged inside the flange plate 1, and the flange plate 1 can be convenient for mounting and dismounting the butterfly valve and is beneficial to replacing and maintaining the butterfly valve.
Adjusting device 3 include adjustment mechanism 31, axis of rotation 32, dish board 33 and seal carrier 34, 2 upper ends of connecting tube install adjustment mechanism 31, 2 inside axes of rotation 32 of installing through the bearing of connecting tube, axis of rotation 32 upper end is connected with adjustment mechanism 31, fixed mounting has dish board 33 on the axis of rotation 32, seal carrier 34 is installed to connecting tube 2, dish board 33 and seal carrier 34 sealing connection, concrete during operation, adjustment mechanism 31 can effectually adjust the dish board, excellent in use effect, it is convenient to adjust, dish board 33 can effectually play sealed effect, avoid having the gap between butterfly valve and the pipeline, seal carrier 34 can effectually laminate with dish board 33, guarantee the bulk sealing performance of butterfly valve.
The adjusting mechanism 31 comprises a fixing frame 311, a rotating ring 312, a connecting rod 313, a bearing seat 314, a first bevel gear 315 and a second bevel gear 316, the fixing frame 311 is installed in the middle of the upper end of the connecting pipe 2, the bearing seat 314 is installed in the middle of the upper end of the fixing frame 311, the connecting rod 313 is installed inside the bearing seat 314, the rotating ring 312 is installed at the upper end of the connecting rod 313, the first bevel gear 315 is installed at the lower end of the connecting rod 313, the first bevel gear 315 is meshed with the second bevel gear 316, the second bevel gear 316 is installed on the rotating shaft 32, during specific work, manual work drives the connecting rod 313 to rotate through the rotating ring 312, the connecting rod 313 drives the second bevel gear 316 through the first bevel gear 315, rotation adjustment can be performed on the butterfly plate 33.
The dish plate 33 include annular plate 331, sector groove 332, cushion 333 and the tight branch chain 334 in top, annular plate 331 install on axis of rotation 32, annular plate 331 outside symmetry is provided with sector groove 332, and cushion 333 is installed to the sector groove 332 outside, and sector groove 332 is inside to be provided with the tight branch chain 334 in top, and the tight branch chain 334 in top is installed inside annular plate 331, has during operation, and when dish plate 33 was parallel with seal carrier 34, the tight branch chain 334 in top drives the inside recess of cushion 333 and seal carrier 34 and hugs closely, and then can play sealed effect effectively.
The tightening branched chain 334 comprises a sliding groove 335, a sliding plate 336, a telescopic spring 337 and a tightening plate 338, the sliding groove 335 is uniformly arranged on the annular plate 331, the sliding plate 336 is connected inside the sliding groove 335 in a sliding fit manner, the telescopic spring 337 is arranged between the inner side of the sliding plate 336 and the sliding groove 335, the outer side of the sliding plate 336 is connected with the tightening plate 338 through a support rod, and the tightening plate 338 is located in the fan-shaped groove 332.
The tight board 338 in top make for metal elastic material, the tight board 338 in top be the arc structure, the tight board 338 in top outer end is the arcwall face, the tight board 338 in top can take place deformation when the atress for the tight board 338 in top can be hugged closely with the inside concave groove of seal frame 34, guarantees the compactness of connecting.
The sealing frame 34 is of an arc-shaped structure, the sealing frame 34 is made of rubber materials, and a concave groove is formed in the sealing frame 34.
The invention comprises the following steps in specific work:
the first step is as follows: the connecting rod 313 is manually driven to rotate by the rotating ring 312, the connecting rod 313 drives the second bevel gear 316 by the first bevel gear 315, so that the rotation of the disc plate 33 can be adjusted, and the opening and closing functions of the butterfly valve can be realized;
the second step is that: when the disk plate 33 is parallel to the sealing frame 34, the jacking branch chain 334 drives the elastic pad 333 to be tightly attached to the groove in the sealing frame 34, so that the jacking plate 338 can be tightly attached to the groove in the sealing frame 34, the connection tightness is ensured, and the sealing effect can be effectively achieved;
the third step: when the disc plate 33 is separated from the groove in the sealing frame 34, the disc plate is stressed to contract inwards with the sealing frame 34, so that the friction between the disc plate 33 and the sealing frame 34 can be reduced, the disc plate is prevented from being worn, and the service life of the disc plate 33 is prolonged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high leakproofness butterfly valve, includes ring flange (1), connecting tube (2) and adjusting device (3), its characterized in that: connecting tube (2) cylindrical hollow structure, ring flange (1) are installed to connecting tube (2) outside symmetry, connecting tube (2) upper end mid-mounting has adjusting device (3), wherein:
the adjusting device (3) comprises an adjusting mechanism (31), a rotating shaft (32), a disc plate (33) and a sealing frame (34), the adjusting mechanism (31) is installed at the upper end of the connecting pipeline (2), the rotating shaft (32) is installed inside the connecting pipeline (2) through a bearing, the upper end of the rotating shaft (32) is connected with the adjusting mechanism (31), the disc plate (33) is fixedly installed on the rotating shaft (32), the sealing frame (34) is installed on the connecting pipeline (2), and the disc plate (33) is in sealing connection with the sealing frame (34);
the dish board (33) include annular plate (331), fan-shaped groove (332), elastic pad (333) and top tight branch chain (334), annular plate (331) install on axis of rotation (32), annular plate (331) outside symmetry is provided with fan-shaped groove (332), elastic pad (333) are installed in fan-shaped groove (332) outside, fan-shaped groove (332) inside is provided with top tight branch chain (334), top tight branch chain (334) are installed inside annular plate (331).
2. The butterfly valve with high sealing performance according to claim 1, wherein: the section of the flange plate (1) is of a U-shaped structure, mounting holes (11) are uniformly formed in the flange plate (1), and a sealing gasket (12) is arranged inside the flange plate (1).
3. The butterfly valve with high sealing performance according to claim 1, wherein: adjustment mechanism (31) including mount (311), rotating ring (312), connecting rod (313), bearing frame (314), bevel gear (315) and No. two bevel gear (316), mount (311) install in connecting tube (2) upper end middle part, mount (311) upper end mid-mounting has bearing frame (314), bearing frame (314) internally mounted has connecting rod (313), rotating ring (312) is installed to connecting rod (313) upper end, bevel gear (315) is installed to connecting rod (313) lower extreme, bevel gear (315) meshing has No. two bevel gear (316), No. two bevel gear (316) are installed on axis of rotation (32).
4. The butterfly valve with high sealing performance according to claim 1, wherein: the jacking branched chain (334) comprises a sliding groove (335), a sliding plate (336), an expansion spring (337) and a jacking plate (338), the sliding groove (335) is uniformly formed in the annular plate (331), the sliding plate (336) is connected to the inside of the sliding groove (335) in a sliding fit mode, the expansion spring (337) is installed between the inner side of the sliding plate (336) and the sliding groove (335), the outer side of the sliding plate (336) is connected with the jacking plate (338) through a supporting rod, and the jacking plate (338) is located in the fan-shaped groove (332).
5. The butterfly valve with high sealing performance according to claim 4, wherein: the tightening plate (338) is made of metal elastic materials, the tightening plate (338) is of an arc-shaped structure, and the outer end of the tightening plate (338) is an arc-shaped surface.
6. The butterfly valve with high sealing performance according to claim 1, wherein: the sealing frame (34) is of an arc-shaped structure, the sealing frame (34) is made of rubber materials, and a concave groove is formed in the sealing frame (34).
CN201921959930.4U 2019-11-12 2019-11-12 High leakproofness butterfly valve Expired - Fee Related CN211667165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921959930.4U CN211667165U (en) 2019-11-12 2019-11-12 High leakproofness butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921959930.4U CN211667165U (en) 2019-11-12 2019-11-12 High leakproofness butterfly valve

Publications (1)

Publication Number Publication Date
CN211667165U true CN211667165U (en) 2020-10-13

Family

ID=72732181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921959930.4U Expired - Fee Related CN211667165U (en) 2019-11-12 2019-11-12 High leakproofness butterfly valve

Country Status (1)

Country Link
CN (1) CN211667165U (en)

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Granted publication date: 20201013