CN217874214U

CN217874214U - Marine flange formula butterfly valve body with two-way sealing function

Info

Publication number: CN217874214U
Application number: CN202221465636.XU
Authority: CN
Inventors: 李向群; 袁玉良; 胡波
Original assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Current assignee: Suzhou Industrial Park Tianyang Machinery Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-22
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to the technical field of flange butterfly valves, in particular to a marine flange butterfly valve body with a bidirectional sealing function; the utility model discloses marine flange formula butterfly valve body with two-way sealing function, including the valve body, the inner chamber of valve body is provided with slewing mechanism and latch mechanism, slewing mechanism includes the valve plate, the lateral wall of valve plate is dug there is the joint groove, the top of valve plate is provided with first pivot, the bottom of valve plate is provided with the second pivot, the lateral wall of first pivot is provided with the worm wheel, the left side meshing of worm wheel has the worm, the front side of worm is provided with the carousel, latch mechanism is located the inside wall of valve plate and cooperatees with the valve plate, and when the valve plate was in the closed condition, the spring drove the fixed valve plate of first cardboard and second cardboard, drove the worm wheel through rotating the worm and rotates, then drove the rotation of first pivot and drive the valve plate rotation when the worm wheel rotates, and the worm wheel worm carries out the auto-lock.

Description

Marine flange formula butterfly valve body with two-way sealing function

Technical Field

The utility model relates to a flange formula butterfly valve technical field specifically is a marine flange formula butterfly valve body with two-way seal function.

Background

The bidirectional sealing butterfly valve is mainly used in the fields of petroleum, chemical engineering, fertilizers, power stations, metallurgy, papermaking, light industry and the like, is used as a part for cutting off and adjusting a pipeline, is suitable for media such as gas, liquid and the like, and has the advantages of short switching time, small flow resistance and the like.

When the traditional butterfly valve is used, when the medium flows reversely and the pressure of the medium is high, the pressure can push the valve plate to generate displacement, so that a gap is formed between the valve plate and a valve seat to cause leakage; some valve plates adopt the means of increasing the valve rod torsional force to solve this problem, and this kind of means has the defect, can make the valve very hard when opening and close to influence the convenience of valve operation, to above-mentioned condition, carry out technical innovation on the marine flange formula butterfly valve body basis that has the two-way sealing function now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine flange formula butterfly valve body with two way seal function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marine flange formula butterfly valve body with two-way sealing function including the valve body, the inner chamber of valve body is provided with slewing mechanism and latch mechanism, slewing mechanism includes the valve plate, the lateral wall of valve plate is dug there is the joint groove, the top of valve plate is provided with first pivot, the bottom of valve plate is provided with the second pivot, the lateral wall of first pivot is provided with the worm wheel, the left side meshing of worm wheel has the worm, the front side of worm is provided with the carousel, latch mechanism is located the inside wall of valve plate and cooperatees with the valve plate.

Preferably, the clamping mechanism includes first chuck, the joint inslot of valve plate is provided with second chuck and first chuck, first chuck is located the below of second chuck, the lateral wall of first chuck and second chuck evenly is provided with the spring, the second chuck is run through to first pivot, first chuck is run through to the second pivot.

Preferably, the bottom of second pivot sets up the inner chamber bottom at the valve body, the top that the valve body was run through at first pivot top, the inner chamber of valve body is provided with second sealing washer and first sealing washer, second sealing washer and first sealing washer are located the lateral wall of valve plate, first pivot sets up the side of looking at second sealing washer and first sealing washer, the inside wall of valve body evenly chisels a recess, the spring sets up in the recess.

Preferably, the outer side walls of the worm wheel and the worm are provided with support frames, the top of the first rotating shaft penetrates through the bottom of the support frame and is arranged in an inner cavity of the support frame, and the front side of the worm penetrates through the front side of the support frame.

Preferably, the bottom of support frame evenly is provided with the supporting legs, the bottom of supporting legs sets up the top at the valve body.

Preferably, the left and right sides of valve body all is provided with the connection pad, the lateral wall of connection pad is evenly dug there is the through-hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

according to the flange type butterfly valve body with the bidirectional sealing function for the ship, when the valve plate is in a closed state, the spring drives the first clamping plate and the second clamping plate to fix the valve plate, so that the effect of fixing the valve plate to prevent the side leakage caused by overlarge pipeline pressure is achieved;

drive the worm wheel through rotating the worm and rotate, then the worm wheel drives first pivot rotation and drives the valve plate and rotate when rotating, because the worm wheel and worm can produce the auto-lock effect to this effect that can prevent the valve plate because of pipeline pressure too big output slope.

Drawings

Fig. 1 is a schematic structural diagram of a flange type butterfly valve body with a bidirectional sealing function for a ship according to the present invention;

FIG. 2 is a top cross-sectional view of a marine flange butterfly valve body with a two-way sealing function according to the present invention;

FIG. 3 is a front cross-sectional view of a flange-type butterfly valve body for a ship with a bidirectional sealing function according to the present invention;

FIG. 4 is a right side sectional view of a flange-type butterfly valve body for a ship with a bidirectional sealing function according to the present invention;

fig. 5 is a view of a clamping mechanism of a flange-type butterfly valve body for a ship with a bidirectional sealing function according to the present invention.

In the figure: 1. a valve plate; 11. a first rotating shaft; 12. a second rotating shaft; 13. a worm gear; 14. a worm; 15. a turntable; 2. a first chuck; 21. a second chuck; 22. a spring; 3. a valve body; 31. a first seal ring; 32. a second seal ring; 4. a support frame; 5. supporting legs; 6. and (7) connecting the disc.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 3-5, a marine flange butterfly valve body with a bidirectional sealing function comprises a valve body 3, a rotating mechanism is rotatably disposed in an inner cavity of the valve body 3, a clamping mechanism is slidably disposed in the inner cavity of the valve body 3, the rotating mechanism includes a valve plate 1, a clamping groove is cut on an outer side wall of the valve plate 1, a first rotating shaft 11 is fixedly disposed on a top of the valve plate 1, a second rotating shaft 12 is fixedly disposed on a bottom of the valve plate 1, a worm wheel 13 is fixedly disposed on an outer side wall of the first rotating shaft 11, a worm 14 is engaged with a left side of the worm wheel 13, a rotary table 15 is fixedly disposed on a front side of the worm 14, the worm 14 is driven to rotate by the rotary table 15, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the first rotating shaft 11 to rotate, then the valve plate 1 to rotate, the clamping mechanism is disposed on an inner side wall of the valve plate 1 and is matched with the valve plate 1, the clamping mechanism includes a first chuck 2, a second chuck 21 and a first chuck 2 are slidably arranged in a clamping groove of the valve plate 1, the first chuck 2 is positioned below the second chuck 21, outer side walls of the first chuck 2 and the second chuck 21 are uniformly and fixedly provided with springs 22, the springs 22 drive the first chuck 2 and the second chuck 21 to abut against the clamping groove of the valve plate 1, a first rotating shaft 11 penetrates through the second chuck 21, a second rotating shaft 12 penetrates through the first chuck 2, the bottom of the second rotating shaft 12 is rotatably arranged at the bottom of an inner cavity of the valve body 3, the top of the first rotating shaft 11 penetrates through the top of the valve body 3, an inner cavity of the valve body 3 is fixedly provided with a second sealing ring 32 and a first sealing ring 31, the second sealing ring 32 and the first sealing ring 31 are positioned on the outer side wall of the valve plate 1, the first rotating shaft 11 is rotatably arranged on the viewing side of the second sealing ring 32 and the first sealing ring 31, and can coincide with the first sealing ring 31 and the second sealing ring 32 when the valve plate 1 is closed, sealed with this realization, the inside wall of valve body 3 evenly excavates the recess, spring 22 is fixed to be set up in the recess, the lateral wall of worm wheel 13 and worm 14 rotates and is provided with support frame 4, worm wheel 13 and worm 14 can be at 4 internal rotations of support frame, the bottom that support frame 4 was run through at 11 tops of first pivot rotates the inner chamber that sets up at support frame 4, the front side of support frame 4 is run through to worm 14 front side, the bottom of support frame 4 evenly fixes and is provided with supporting legs 5, the fixed top that sets up at valve body 3 in the bottom of supporting legs 5, the equal fixed connection pad 6 that is provided with in the left and right sides of valve body 3, the lateral wall of connection pad 6 evenly excavates has the through-hole, can combine with the pipeline through connection pad 6.

The working principle is as follows: connecting disc 6 corresponds to the pipeline, then the bolt is connected with valve body 3 through the through-hole, it is rotatory to rotate carousel 15 and drive worm 14, it rotates to drive worm wheel 13 when worm 14 rotates, drive first pivot 11 when worm wheel 13 rotates and rotate, drive valve plate 1 when first pivot 11 rotates and rotate, coincide with first sealing washer 31 and second sealing washer 32 to when valve plate 1 is closed, thereby realize sealedly, spring 22 drives first chuck 2 and second chuck 21 and blocks the joint groove of valve plate 1 simultaneously, with this fixed valve plate 1, can extrude first chuck 2 and second chuck 21 outwards when valve plate 1 opens, can extrude spring 22 when first chuck 2 and second chuck 21 outwards move, and drive first chuck 2 and second chuck 21 by spring 22 and reset.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a marine flange formula butterfly valve body with two-way sealing function, includes valve body (3), its characterized in that: the inner chamber of valve body (3) is provided with slewing mechanism and latch mechanism, slewing mechanism includes valve plate (1), the lateral wall of valve plate (1) is opened and is dug there is the joint groove, the top of valve plate (1) is provided with first pivot (11), the bottom of valve plate (1) is provided with second pivot (12), the lateral wall of first pivot (11) is provided with worm wheel (13), the left side meshing of worm wheel (13) has worm (14), the front side of worm (14) is provided with carousel (15), latch mechanism is located the inside wall of valve plate (1) and cooperatees with valve plate (1).

2. The marine flange butterfly valve body with the bidirectional sealing function of claim 1, wherein: clamping mechanism includes first chuck (2), the joint inslot of valve plate (1) is provided with second chuck (21) and first chuck (2), first chuck (2) are located the below of second chuck (21), the lateral wall of first chuck (2) and second chuck (21) evenly is provided with spring (22), second chuck (21) is run through in first pivot (11), first chuck (2) are run through in second pivot (12).

3. The marine flange butterfly valve body with the bidirectional sealing function according to claim 2, characterized in that: the bottom of second pivot (12) sets up the inner chamber bottom at valve body (3), the top of valve body (3) is run through at first pivot (11) top, the inner chamber of valve body (3) is provided with second sealing washer (32) and first sealing washer (31), second sealing washer (32) and first sealing washer (31) are located the lateral wall of valve plate (1), first pivot (11) set up the side of looking mutually at second sealing washer (32) and first sealing washer (31), the inside wall of valve body (3) evenly chiseling a groove, spring (22) set up in the recess.

4. The marine flange butterfly valve body with the bidirectional sealing function according to claim 1, wherein: the outer side walls of the worm wheel (13) and the worm (14) are provided with a support frame (4), the bottom of the top of the first rotating shaft (11) penetrating through the support frame (4) is arranged in an inner cavity of the support frame (4), and the front side of the worm (14) penetrates through the front side of the support frame (4).

5. The marine flange butterfly valve body with the bidirectional sealing function of claim 4, wherein: the bottom of the support frame (4) is uniformly provided with supporting legs (5), and the bottom of each supporting leg (5) is arranged at the top of the valve body (3).

6. The marine flange butterfly valve body with the bidirectional sealing function of claim 1, wherein: the left and right sides of valve body (3) all are provided with connection pad (6), the lateral wall of connection pad (6) is evenly dug there is the through-hole.