CN218718873U

CN218718873U - Butt clamp butterfly valve

Info

Publication number: CN218718873U
Application number: CN202223010042.2U
Authority: CN
Inventors: 项建慧; 屈志勇; 李二涛
Original assignee: Wenzhou Yuangong Pipe Valve Co ltd
Current assignee: Wenzhou Yuangong Pipe Valve Co ltd
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-03-24
Anticipated expiration: 2032-11-12

Abstract

The utility model discloses a butt clamp butterfly valve, the water control valve comprises a valve body, the inside of valve body is rotated and is provided with the butterfly plate, and the top fixed mounting of valve body has a fixed section of thick bamboo, the inside of a fixed section of thick bamboo is rotated and is provided with the valve rod, and the top fixed mounting of a fixed section of thick bamboo has a fixed box, the inside of a fixed box is rotated and is provided with the action bars, and the outer wall fixedly connected with sign gear of action bars, one side meshing of sign gear has the sign board. This butt clamp butterfly valve, the use of cooperation sign gear and identification plate, and then the convenience is when rotating the butterfly plate, learn the rotatory use angle of butterfly plate through the sign scale mark that the identification plate left at fixed box top, make the butterfly plate can closely use with the sealing washer laminating when closing, avoid the leakage of circulation medium, and then guarantee the throttle effect of butt clamp butterfly valve, the convenient angle of adjusting the butterfly plate as required accurately controls the flow that the medium circulated simultaneously, make the flexibility and the accurate nature that improve the butt clamp butterfly valve and use.

Description

Butt clamp butterfly valve

Technical Field

The utility model relates to a to pressing from both sides butterfly valve technical field specifically is a to pressing from both sides butterfly valve.

Background

The butterfly plate of the butt-clamp butterfly valve is arranged in the diameter direction of a pipeline, the disc-shaped butterfly plate rotates around the axis in the cylindrical channel of the butterfly valve body, the rotation angle is 0-90 degrees, the flow adjusting effect can be achieved, when the butterfly plate rotates to 90 degrees, the valve reaches the maximum opening degree, the butt-clamp butterfly valve is simple in structure, small in size and light in weight, only comprises a few parts, and the commonly used butt-clamp butterfly valve has some defects.

For example, the opposite clamping butterfly valve disclosed by the Chinese patent and the patent with the publication patent number CN211820774U is provided, the worm gear technology is adopted to increase the transmission ratio of the rotation of the butterfly rod, so that the aim of saving more labor during opening and closing the valve is fulfilled, meanwhile, the whole valve is small in size, more convenient to install and transport, and has a structure for preventing misoperation, and the use is simple and effective.

Among the above-mentioned prior art, increase the drive ratio when the butterfly valve uses through the worm gear, and then reduce the degree of difficulty of valve switch, but when carrying out the rotation of valve rod, because the transmission structure seals in inside, and lack the instruction structure, and then can not be obvious discern the valve rod and drive butterfly plate pivoted angle, thereby there is the condition of angle deflection easily, and the angular rotation precision of butterfly plate can appear when not enough that there is the gap between butterfly plate and the sealing washer and carry out the condition that circulation medium leakage appears easily, simultaneously can not control the velocity of flow of butterfly plate in order to control the circulation medium at different angles as required, make use flexibility and the precision to pressing from both sides the butterfly valve lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a to pressing from both sides butterfly valve to the inconvenient accuracy of proposing among the above-mentioned background art of solution learns the valve rod and drives the rotatory angle of butterfly plate, and then can not the accurate use of controlling the butterfly plate, the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butt clamp butterfly valve, includes the valve body, the inside of valve body is rotated and is provided with the butterfly plate, and the top fixed mounting of valve body has a solid fixed cylinder, the inside of solid fixed cylinder is rotated and is provided with the valve rod, and the top fixed mounting of solid fixed cylinder has a fixed box, the inside of fixed box is rotated and is provided with the action bars, and the outer wall fixedly connected with sign gear of action bars, one side meshing of sign gear has the sign plate.

Preferably, the inner wall fixedly connected with sealing washer of valve body, and the butterfly plate passes through the sealing washer and the sealed setting of valve body extrusion, butterfly plate fixed mounting is in the outside of valve rod, and the valve rod rotates the inside that sets up at the valve body.

Preferably, the valve rod is rotatably installed in the fixed cylinder through a bearing, a flange is fixedly installed on the outer portion of the fixed cylinder, the fixed cylinder is fixedly installed with the fixed box through the flange, and the valve rod is rotatably arranged in the fixed box.

Preferably, the outer wall fixedly connected with linkage gear of action bars, one side meshing of linkage gear has drive gear, and drive gear's inner wall fixedly connected with rotary column, the one end fixed mounting of rotary column has umbelliform gear one, and the other end of rotary column rotates and is connected with the limiting plate, limiting plate fixed mounting is in the inside of fixed box.

Preferably, the one end fixedly connected with handle of action bars, and the action bars rotates and installs inside the limiting plate, the outer wall meshing of umbelliform gear one has umbelliform gear two, and the top fixed connection of the bottom of umbelliform gear two and valve rod.

Preferably, the one end of action bars is rotated and is connected with the fixed plate, and fixed plate fixed mounting is at the interior diapire of fixed box, the outer wall equidistance of action bars is provided with the antislip strip, and the outer wall extrusion of antislip strip is provided with the stripper plate, the stripper plate looks sideways at and is "U" shape structure, and the bottom of stripper plate removes to set up inside the bottom side of fixed box, the top inner wall and the signboard removal of fixed box are connected, and one side of signboard is provided with the sign scale mark.

Preferably, the top fixedly connected with fixed block of stripper plate, and the inside of fixed block rotates through the bearing and installs the threaded rod, threaded rod threaded connection is at the top inner wall of fixed box, the inside fixedly connected with baffle of fixed box, the signboard removes and sets up between the baffle.

Compared with the prior art, the beneficial effects of the utility model are that: the pair of butterfly valves;

1. through the arrangement of the structures such as the umbrella-shaped gear II, the umbrella-shaped gear I, the transmission gear, the linkage gear and the like, the valve rod can be conveniently driven to drive the butterfly plate to rotate for use by controlling the rotation of the operating rod, the difficulty in adjusting the angle of the butterfly plate can be further conveniently reduced through the size difference of the linkage gear and the transmission gear, the identification gear and the identification plate can be matched for use, the rotation use angle of the butterfly plate can be further conveniently obtained through the identification scale mark reserved at the top of the fixing box by the identification plate while the butterfly plate is rotated, the butterfly plate can be tightly attached to a sealing ring for use when being closed, the leakage of circulating media can be avoided, the throttling effect of the opposite clamping butterfly valve can be further ensured, meanwhile, the flow of the media can be conveniently controlled by accurately adjusting the angle of the butterfly plate according to needs, and the flexibility and the accuracy of the use of the opposite clamping butterfly valve can be improved;

2. through the antislip strip, the cooperation of stripper plate and threaded rod is used, the convenient back of rotating the action bars, improve and twist the threaded rod and remove the stripper plate in the inside of fixed box, and then conveniently fix the stripper plate extrusion at the top of antislip strip, increase the outside anti-skidding effect of action bars through the antislip strip simultaneously, and then conveniently fix the action bars after adjusting the use, make the increase spacing to the action bars, and then avoid the circulation medium to strike the butterfly plate angular migration condition that the butterfly plate caused, thereby guaranteed the stability to pressing from both sides butterfly valve in use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the fixing box of the present invention;

FIG. 3 is a schematic view of the connection structure of the second bevel gear and the valve rod of the present invention;

fig. 4 is a schematic view of a connection structure of a first bevel gear and a second bevel gear of the present invention;

fig. 5 is a schematic view of the connection structure of the linkage gear and the transmission gear of the present invention.

In the figure: 1. a valve body; 2. a butterfly plate; 3. a fixed cylinder; 4. a valve stem; 5. a fixing box; 6. an operating lever; 7. a handle; 8. a linkage gear; 9. a transmission gear; 10. a first bevel gear; 11. a second bevel gear; 12. anti-slip strips; 13. a pressing plate; 14. a threaded rod; 15. marking the gear; 16. and (4) marking the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 and fig. 2, the present invention provides a technical solution: a butt-clamping butterfly valve comprises a valve body 1, wherein a butterfly plate 2 is rotatably arranged inside the valve body 1, a fixed cylinder 3 is fixedly installed at the top of the valve body 1, a valve rod 4 is rotatably arranged inside the fixed cylinder 3, a sealing ring is fixedly connected to the inner wall of the valve body 1, and the butterfly plate 2 and the valve body 1 are arranged in an extrusion sealing manner through the sealing ring;

the butterfly plate 2 is fixedly installed outside the valve rod 4, the valve rod 4 is rotatably arranged inside the valve body 1, the fixing box 5 is fixedly installed at the top of the fixing cylinder 3, the valve rod 4 is rotatably installed inside the fixing cylinder 3 through a bearing, a flange is fixedly installed outside the fixing cylinder 3, the fixing cylinder 3 is fixedly installed with the fixing box 5 through the flange, and the valve rod 4 is rotatably arranged inside the fixing box 5;

the valve rod 4 is rotatably arranged inside the valve body 1 through the fixed cylinder 3, and meanwhile, the valve rod is conveniently limited, then the sealing ring is conveniently arranged to increase the sealing performance of the butterfly plate 2 and the valve body 1, and meanwhile, the sealing ring is matched with the accurate adjustment of the angle of the butterfly plate 2 for use, so that the butterfly plate 2 and the sealing ring are conveniently attached for use, and the circulating medium is cut off at any time;

according to the figures 2-4, an operating rod 6 is rotatably arranged inside the fixing box 5, a linkage gear 8 is fixedly connected to the outer wall of the operating rod 6, a transmission gear 9 is meshed to one side of the linkage gear 8, a rotary column is fixedly connected to the inner wall of the transmission gear 9, an umbrella-shaped gear 10 is fixedly mounted at one end of the rotary column, a limiting plate is rotatably connected to the other end of the rotary column, the limiting plate is fixedly mounted inside the fixing box 5, a handle 7 is fixedly connected to one end of the operating rod 6, and the operating rod 6 is rotatably mounted inside the limiting plate;

the outer wall of the first umbrella-shaped gear 10 is meshed with a second umbrella-shaped gear 11, the bottom of the second umbrella-shaped gear 11 is fixedly connected with the top end of the valve rod 4, and the size of the linkage gear 8 is twice that of the transmission gear 9, so that when the operating rod 6 is used, the butterfly plate 2 can rotate ninety degrees by rotating the operating rod 6 by forty-five degrees, and the difficulty in adjusting the angle of the butterfly plate 2 is reduced conveniently through the size difference between the linkage gear 8 and the transmission gear 9;

according to the figures 3-5, one end of the operating rod 6 is rotatably connected with a fixing plate, the fixing plate is fixedly arranged on the inner bottom wall of the fixing box 5, the outer wall of the operating rod 6 is provided with anti-skidding strips 12 at equal intervals, the outer wall of each anti-skidding strip 12 is provided with an extrusion plate 13 in an extrusion manner, the extrusion plate 13 is in an inverted U-shaped structure in side view, the bottom of the extrusion plate 13 is movably arranged inside the bottom side of the fixing box 5, the top of the extrusion plate 13 is fixedly connected with a fixing block, and a threaded rod 14 is rotatably arranged inside the fixing block through a bearing;

the threaded rod 14 is in threaded connection with the inner wall of the top of the fixing box 5, baffles are fixedly connected inside the fixing box 5, the identification plate 16 is movably arranged between the baffles, the inner wall of the top of the fixing box 5 is movably connected with the identification plate 16, identification scale marks are arranged on one side of the identification plate 16, the outer wall of the operating rod 6 is fixedly connected with an identification gear 15, and the identification plate 16 is meshed on one side of the identification gear 15;

when the butterfly plate 2 is rotated, the operating rod 6 drives the identification gear 15 to move the identification plate 16, and the rotation use angle of the butterfly plate 2 is known through identification scale marks reserved on the top of the fixed box 5 by the identification plate 16, so that the butterfly plate 2 can be tightly attached to a sealing ring for use when being closed, the leakage of circulating media is avoided, and the throttling effect of the butterfly valve is further ensured;

simultaneously, through the arrangement of the mark scale marks, the flow of medium circulation is controlled by conveniently and accurately adjusting the angle of the butterfly plate 2 according to needs, so that the flexibility and the accuracy of the use of the butt-clamping butterfly valve are improved.

The working principle is as follows: when the pair of butterfly valves are used, the operating rod 6 is rotated inside the fixing box 5 through the handle 7, the operating rod 6 drives the linkage gear 8 to rotate, the linkage gear 8 drives the transmission gear 9 and the rotary column to rotate inside the limiting plate, the first bevel gear 10 drives the second bevel gear 11 to rotate, the second bevel gear 11 drives the valve rod 4 to rotate inside the fixing cylinder 3, and the butterfly plate 2 is fixed outside the fixing cylinder 3, so that the butterfly plate 2 is rotated inside the valve body 1 through the rotation of the fixing cylinder 3;

then the butterfly valve is opened for use, when the transmission gear 9 is driven to rotate through the operating rod 6, the linkage gear 8 is twice as large as the transmission gear 9, the first umbrella-shaped gear 10 and the second umbrella-shaped gear 11 are the same in size, and therefore the purpose of adjustment can be achieved only by rotating half of the adjustment angle when the operating rod 6 is rotated, the use difficulty of a user is saved, meanwhile, the identification plate 16 is driven to move through the identification gear 15 in the rotating process of the operating rod 6, and the identification scale marks on the outer side of the identification plate 16 are marked according to the angle of the butterfly plate 2 driven to rotate by the valve rod 4, so that the use angle of the butterfly plate 2 can be conveniently known according to the indication of the identification scale, and the accuracy of the butterfly valve clamping is improved;

after the rotation of the operating rod 6 is completed, the threaded rod 14 is screwed in the fixing box 5, the extrusion plate 13 limits the fixing box 5 in the fixing box, the extrusion plate 13 vertically moves in the fixing box 5, and the extrusion plate 13 is extruded outside the top of the antislip strip 12, so that the antislip strip 12 is extruded and fixed by the extrusion plate 13, the operating rod 6 is limited, and the use stability of the butterfly plate 2 is improved.

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 butt clamp butterfly valve, includes valve body (1), its characterized in that: the inside of valve body (1) is rotated and is provided with butterfly plate (2), and the top fixed mounting of valve body (1) has a solid fixed cylinder (3), the inside of solid fixed cylinder (3) is rotated and is provided with valve rod (4), and the top fixed mounting of solid fixed cylinder (3) has a fixed box (5), the inside of fixed box (5) is rotated and is provided with action bars (6), and the outer wall fixedly connected with sign gear (15) of action bars (6), one side meshing of sign gear (15) has sign board (16).

2. A butt-clamping butterfly valve according to claim 1, wherein a sealing ring is fixedly connected to the inner wall of the valve body (1), the butterfly plate (2) is arranged in a sealing manner by pressing the sealing ring against the valve body (1), the butterfly plate (2) is fixedly arranged outside the valve rod (4), and the valve rod (4) is rotatably arranged inside the valve body (1).

3. A butt-clamping butterfly valve according to claim 1, characterized in that the valve rod (4) is rotatably mounted inside the fixed cylinder (3) through a bearing, a flange is fixedly mounted on the outside of the fixed cylinder (3), the fixed cylinder (3) is fixedly mounted with the fixed box (5) through a flange, and the valve rod (4) is rotatably arranged inside the fixed box (5).

4. The butt-clamping butterfly valve according to claim 1, wherein a linkage gear (8) is fixedly connected to an outer wall of the operating rod (6), a transmission gear (9) is meshed to one side of the linkage gear (8), a rotary column is fixedly connected to an inner wall of the transmission gear (9), a first umbrella-shaped gear (10) is fixedly mounted at one end of the rotary column, a limiting plate is rotatably connected to the other end of the rotary column, and the limiting plate is fixedly mounted inside the fixing box (5).

5. The butt-clamping butterfly valve according to claim 4, characterized in that a handle (7) is fixedly connected to one end of the operating rod (6), the operating rod (6) is rotatably installed inside the limiting plate, a second bevel gear (11) is meshed with the outer wall of the first bevel gear (10), and the bottom of the second bevel gear (11) is fixedly connected with the top end of the valve rod (4).

6. The opposite-clamping butterfly valve according to claim 1, characterized in that a fixing plate is rotatably connected to one end of the operating rod (6), the fixing plate is fixedly installed on an inner bottom wall of the fixed box (5), antislip strips (12) are equidistantly arranged on an outer wall of the operating rod (6), an extrusion plate (13) is arranged on an outer wall of each antislip strip (12) in an extrusion mode, the extrusion plate (13) is in an inverted U-shaped structure in side view, the bottom of each extrusion plate (13) is movably arranged inside the bottom side of the fixed box (5), the inner top wall of the fixed box (5) is movably connected with the identification plate (16), and one side of the identification plate (16) is provided with identification scale marks.

7. The butt-clamping butterfly valve according to claim 6, characterized in that the top of the extrusion plate (13) is fixedly connected with a fixed block, a threaded rod (14) is rotatably mounted inside the fixed block through a bearing, the threaded rod (14) is in threaded connection with the inner wall of the top of the fixed box (5), the inner part of the fixed box (5) is fixedly connected with baffle plates, and the identification plate (16) is movably arranged between the baffle plates.