CN214367809U

CN214367809U - Multiple high-efficient sealed high performance fire prevention double eccentric butterfly valve

Info

Publication number: CN214367809U
Application number: CN202120206495.9U
Authority: CN
Inventors: 王献
Original assignee: Tianjin Wuzhou Valve Manufacturing Co ltd
Current assignee: Tianjin Wuzhou Valve Manufacturing Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-08
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a multiple high-efficiency sealed high-performance fireproof double-eccentric butterfly valve, which comprises a valve body and a rotary valve, wherein a detachable device is arranged in the valve body; the detachable device comprises a rotary valve, a rear fixing block is fixedly connected to the rear of the rotary valve, the multiple high-efficiency sealed high-performance fireproof double-eccentric butterfly valve can be moved through the rotary valve, the pulling column is moved towards the right at this time, the pulling column moves in a moving hole, the moving of the pulling column drives the worm disc to move, the moving of the worm disc drives the rotating clamp and the rotating column to move in the clamp and the groove, after the rotating clamp and the rotating column completely leave the clamp and the groove, a user can take the rotary valve out of the valve body, and replacement of the rotary valve is achieved.

Description

Multiple high-efficient sealed high performance fire prevention double eccentric butterfly valve

Technical Field

The utility model relates to a double-eccentric butterfly valve technical field specifically is a double-eccentric butterfly valve of high performance fire prevention that multiple high efficiency is sealed.

Background

The double-eccentric butterfly valve is also called as a high-performance butterfly valve, is mainly suitable for drainage of systems such as water plants, power plants, steel plant smelting, chemical engineering, water source spring engineering, environmental facility construction and the like, is particularly suitable for water pipelines, and is used as regulating and intercepting equipment.

Traditional double eccentric butterfly valve is after using for a long time, when needs are maintained double eccentric butterfly valve, because its leakproofness itself, when leading to maintaining it, and maintenance efficiency is low, influences the speed of maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double eccentric butterfly valve of high performance fire prevention that multiple high efficiency is sealed 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: a multi-high-efficiency sealed high-performance fireproof double-eccentric butterfly valve comprises a valve body and a rotary valve, wherein a detachable device is arranged in the valve body; the detachable device comprises a rotary valve, a rear fixed block is fixedly connected to the rear of the rotary valve, a thread groove is formed in the upper surface of the rear fixed block, a threaded rod is connected to the thread groove in an internal thread manner, a clamp and a groove are formed in the right side surface of the rear fixed block, a rotary clamp and a rotary column are movably connected to the clamp and the groove, a worm disc is fixedly connected to the right side surface of the rotary clamp and the rotary column, and a pulling column is fixedly connected to the right side surface of the worm disc;

the right side surface of the valve body is fixedly connected with a connecting sleeve, the right side surface of the connecting sleeve is fixedly connected with a sleeve III, the right side surface of the sleeve III is provided with a moving hole, a pulling column is movably connected in the moving hole, a worm disc is movably connected in the sleeve III, a rotating clamp and a column are movably connected in the connecting sleeve, rotating holes are formed in the left end and the right end of the inner wall of the valve body, and the rotating clamp and the column are movably connected in the rotating holes; and a sealing device is arranged outside the valve body.

Preferably, a rotary valve is movably connected in the valve body and is in a circular truncated cone shape, a second sleeve is fixedly connected to the upper surface of the third sleeve, a first sleeve is fixedly connected to the upper surface of the second sleeve, a rotating shaft is movably connected in the first sleeve, a rotating disc is fixedly connected to the upper surface of the rotating shaft, a first thread clamp and a first seat are fixedly connected to the lower surface of the rotating shaft, a second thread clamp and a second seat are in threaded connection with the first thread clamp, a worm is fixedly connected to the front surface of the second thread clamp and the second seat, the rotating shaft, the first thread clamp and the first seat are arranged in the first sleeve, a worm wheel groove is formed in the middle of the circumferential outer surface of the worm, the worm wheel groove is in threaded connection with the worm disc, and a worm, a second thread clamp and a second seat are arranged in the second sleeve.

Preferably, sealing device includes the flange sealed dish, both ends fixedly connected with flange sealed dish around the circumference surface of valve body, every four mounting holes have all been seted up in the front of flange sealed dish.

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

(1) this multiple high performance fire prevention double eccentric butterfly valve sealed with high efficiency, through twisting the threaded rod, the threaded rod move in the thread groove, the rebound of threaded rod lets the surface of rotation card and post not have the object to carry on spacing fixed, let the rotary valve can be removed, at this time remove the pulling post to the right side, the pulling post removes in the shifting hole, the removal of pulling post drives the removal of scroll, the removal of scroll drives rotation card and post and removes in card and inslot, leave card and inslot back completely when rotation card and post, the user can take out the rotary valve from the valve body, realize the change to the rotary valve, this device is through leaving the preset space in sleeve pipe three, let the scroll can remove in sleeve pipe three, the change to the rotary valve has been realized, the change efficiency to the rotary valve has been improved greatly.

(2) The rotation of the rotating disc drives the rotating shaft to rotate in the first sleeve, the rotation of the rotating shaft drives the rotation of the first thread clamp and the first seat, the rotation of the first thread clamp and the first seat drives the rotation of the second thread clamp and the second seat through the threads, the rotation of the second thread clamp and the second seat drives the worm to rotate in the second sleeve, the rotation of the worm drives the rotation of the worm gear groove, the worm gear groove drives the rotation of the worm disc through the thread clamp, the rotation of the worm disc drives the rotation of the rotation clamp and the rotation of the column, the rotation of the rotation clamp and the column drives the rotation of the rear fixing block, the rotation hole rotation clamp and the column are fixed in a limiting way, the rotation stability of machinery is improved, the rotation valve is driven to move in the valve body through the rotation of the rear fixing block, the adjustment of the position of the valve body is realized, the control of the double-eccentric butterfly valve is realized, an eccentric structure is adopted, reduce the friction of sealing washer, extension valve life.

(3) This multiple high-efficient sealed high performance fire prevention double eccentric butterfly valve seals the valve body through the flange sealed dish that is equipped with outside the valve body, through the mounting hole, installs double eccentric butterfly valve on the water route, and the sealed effect in improvement water route that can be effectual has improved the practicality of this device greatly.

Drawings

FIG. 1 is a schematic structural view of a double eccentric butterfly valve of the present invention;

FIG. 2 is a schematic view of the structure of the valve body of the double eccentric butterfly valve of the present invention;

FIG. 3 is a schematic structural view of the rotary valve of the present invention;

fig. 4 is a schematic structural view of the transmission rotating device of the present invention;

fig. 5 is a schematic structural diagram of a portion a in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. mounting holes; 3. a flange sealing disc; 5. rotating the hole; 11. a rotary valve; 12. a rear fixed block; 13. a threaded rod; 14. a thread groove; 15. a card and a slot; 16. rotating the card and the post; 17. pulling the column; 18. moving the hole; 21. rotating the disc; 22. a first sleeve; 23. a second sleeve; 24. a third sleeve; 25. connecting a sleeve; 31. a rotating shaft; 32. the screw clamp and the first seat; 33. a thread clamp and a second seat; 34. a worm gear groove; 35. a worm; 36. a snail disk.

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. 1-5, the present invention provides a technical solution: a multi-high-efficiency sealed high-performance fireproof double-eccentric butterfly valve comprises a valve body 1 and a rotary valve 11, wherein a detachable device is arranged in the valve body 1; the detachable device comprises a rotary valve 11, a rear fixed block 12 is fixedly connected to the rear of the rotary valve 11, a thread groove 14 is formed in the upper surface of the rear fixed block 12, a threaded rod 13 is connected to the thread groove 14 in an internal thread mode, a clamping and groove 15 is formed in the right side surface of the rear fixed block 12, a rotary clamping and column 16 is movably connected to the inside of the clamping and groove 15, a worm disc 36 is fixedly connected to the right side surface of the rotary clamping and column 16, and a pulling column 17 is fixedly connected to the right side surface of the worm disc 36; the right side surface of the valve body 1 is fixedly connected with a connecting sleeve 25, the right side surface of the connecting sleeve 25 is fixedly connected with a sleeve III 24, the right side surface of the sleeve III 24 is provided with a moving hole 18, a pulling column 17 is movably connected in the moving hole 18, a worm disc 36 is movably connected in the sleeve III 24, a rotating clamp and a column 16 are movably connected in the connecting sleeve 25, the left end and the right end of the inner wall of the valve body 1 are respectively provided with a rotating hole 5, the rotating clamp and the column 16 are movably connected in the rotating hole 5, the threaded rod 13 moves in a thread groove 14 by twisting the threaded rod 13, the upward movement of the threaded rod 13 enables the surfaces of the rotating clamp and the column 16 not to be limited and fixed by an object, the rotating valve 11 can be moved, the column 17 is moved to the right side at this time, the pulling column 17 moves in the moving hole 18, the movement of the pulling column 17 drives the worm disc 36 to move, the movement of the worm disc 36 drives the rotating clamp and the column 16 to move in the clamp and the groove 15, when the rotating clamp and the column 16 completely leave the clamp and the groove 15, the user can take the rotating valve 11 out of the valve body 1 to replace the rotating valve 11, the device leaves a preset space in the third sleeve 24 to allow the scroll 36 to move in the third sleeve 24, so that the rotating valve 11 is replaced, and the replacement efficiency of the rotating valve 11 is greatly improved

The rotary valve 11 is movably connected in the valve body 1, the rotary valve 11 is in a circular truncated cone shape, the upper surface of the sleeve III 24 is fixedly connected with a sleeve II 23, the upper surface of the sleeve II 23 is fixedly connected with a sleeve I22, the sleeve I22 is movably connected with a rotating shaft 31, the upper surface of the rotating shaft 31 is fixedly connected with a rotating disc 21, the lower surface of the rotating shaft 31 is fixedly connected with a thread clamp and a seat I32, the thread clamp and the seat I32 are in threaded connection with a thread clamp and a seat II 33, the front surface of the thread clamp and the seat II 33 is fixedly connected with a worm 35, the rotating shaft 31 and the thread clamp and the seat I32 are arranged in the sleeve I22, the middle part of the circumferential outer surface of the worm 35 is provided with a worm wheel groove 34, the worm wheel groove 34 is in threaded connection with a worm disc 36, the worm 35, the thread clamp and the seat II 33 are arranged in the sleeve II 23, the rotating disc 21 is rotated to drive the rotating shaft 31 to rotate in the sleeve I22, and the rotating shaft 31 drives the thread clamp and the seat I32 to rotate, the first thread clamp and seat 32 drives the second thread clamp and seat 33 to rotate through threads, the second thread clamp and seat 33 rotates to drive the worm 35 to rotate in the second sleeve 23, the worm 35 rotates to drive the worm groove 34 to rotate, the worm groove 34 drives the worm disc 36 to rotate through the thread clamp, the worm disc 36 rotates to drive the rotating clamp and the column 16 to rotate, the rotating clamp and the column 16 rotate to drive the rear fixing block 12 to rotate, meanwhile, the rotating hole 5 limits and fixes the rotating clamp and the column 16, mechanical rotation stability is improved, the rotating valve 11 is driven by the rear fixing block 12 to move in the valve body 1 through rotation, adjustment of the position of the valve body 1 is achieved, control over the double-eccentric butterfly valve is achieved, an eccentric structure is adopted, friction of a sealing ring is reduced, and service life of the valve is prolonged.

The sealing device is arranged outside the valve body 1, the sealing device comprises a flange sealing disc 3, the flange sealing discs 3 are fixedly connected to the front end and the rear end of the circumferential outer surface of the valve body 1, four mounting holes 2 are formed in the front of each flange sealing disc 3, the flange sealing discs 3 are arranged outside the valve body 1, the valve body 1 is sealed, the double-eccentric butterfly valve is mounted on a water path through the mounting holes 2, the sealing effect of the water path can be effectively improved, and the practicability of the device is greatly improved.

Specifically, the utility model discloses during the use:

the first step is as follows: by rotating the rotating disc 21, the rotation of the rotating disc 21 drives the rotating shaft 31 to rotate in the first sleeve 22, the rotation of the rotating shaft 31 drives the screw clamp and the first seat 32 to rotate, the screw clamp and the first seat 32 drives the screw clamp and the second seat 33 to rotate through screw threads, the rotation of the screw clamp and the second seat 33 drives the worm 35 to rotate in the second sleeve 23, the rotation of the worm 35 drives the rotation of the worm groove 34, the worm groove 34 drives the rotation of the worm disc 36 through screw threads, the rotation of the worm disc 36 drives the rotation of the rotating clamp and the column 16, the rotation of the rotating clamp and the column 16 drives the rotation of the rear fixing block 12, the rotating hole 5 limits and fixes the rotating clamp and the column 16, the rotation stability of machinery is improved, the rotation of the rear fixing block 12 drives the rotating valve 11 to move in the valve body 1, the position adjustment of the valve body 1 is realized, the control of the double eccentric butterfly valve is realized, an eccentric structure is adopted, reduce the friction of sealing washer, extension valve life.

The second step is that: through twisting the threaded rod 13, the threaded rod 13 moves in the threaded groove 14, the upward movement of the threaded rod 13 enables the surfaces of the rotating clamp and the column 16 not to be limited and fixed by an object, the rotating valve 11 can be moved, at the moment, the pulling column 17 moves towards the right, the pulling column 17 moves in the moving hole 18, the moving of the pulling column 17 drives the worm disc 36 to move, the moving of the worm disc 36 drives the rotating clamp and the column 16 to move in the clamp and the groove 15, after the rotating clamp and the column 16 completely leave the clamp and the groove 15, a user can take the rotating valve 11 out of the valve body 1, the rotating valve 11 is replaced, a preset space is reserved in the sleeve III 24, the worm disc 36 can move in the sleeve III 24, the replacement of the rotating valve 11 is realized, and the replacement efficiency of the rotating valve 11 is greatly improved.

The third step: through the flange sealed dish 3 that is equipped with outside the valve body 1, seal up valve body 1, through mounting hole 2, install double-eccentric butterfly valve on the water route, the sealed effect in improvement water route that can be effectual has improved the practicality of this device greatly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A multi-high-efficiency sealed high-performance fireproof double-eccentric butterfly valve comprises a valve body (1) and a rotary valve (11), wherein a detachable device is arranged in the valve body (1); the method is characterized in that: the detachable device comprises a rotary valve (11), a rear fixing block (12) is fixedly connected to the rear of the rotary valve (11), a thread groove (14) is formed in the upper surface of the rear fixing block (12), a threaded rod (13) is connected to the thread groove (14) in an internal thread mode, a clamping and groove (15) is formed in the right side surface of the rear fixing block (12), a rotary clamping and column (16) is movably connected to the inside of the clamping and groove (15), a worm disc (36) is fixedly connected to the right side surface of the rotary clamping and column (16), and a pulling column (17) is fixedly connected to the right side surface of the worm disc (36);

a connecting sleeve (25) is fixedly connected to the right side face of the valve body (1), a sleeve III (24) is fixedly connected to the right side face of the connecting sleeve (25), a moving hole (18) is formed in the right side face of the sleeve III (24), a pulling column (17) is movably connected in the moving hole (18), a worm disc (36) is movably connected in the sleeve III (24), a rotating clamp and a column (16) are movably connected in the connecting sleeve (25), rotating holes (5) are formed in the left end and the right end of the inner wall of the valve body (1), and the rotating clamp and the column (16) are movably connected in the rotating hole (5);

and a sealing device is arranged outside the valve body (1).

2. The multiple high-efficiency sealed high-performance fire-proof double-eccentric butterfly valve according to claim 1, characterized in that: the valve body (1) is internally and movably connected with a rotary valve (11), and the rotary valve (11) is in a circular truncated cone shape.

3. The multiple high-efficiency sealed high-performance fire-proof double-eccentric butterfly valve according to claim 1, characterized in that: the upper surface of sleeve pipe three (24) is fixed and is connected with sleeve pipe two (23), the upper surface fixed connection of sleeve pipe two (23) is connected with sleeve pipe one (22), swing joint has axis of rotation (31) in sleeve pipe one (22), fixedly connected with rolling disc (21) above axis of rotation (31).

4. The multiple high-efficiency sealed high-performance fire-proof double-eccentric butterfly valve according to claim 3, characterized in that: fixedly connected with screw thread card and seat one (32) below axis of rotation (31), screw thread card and seat one (32) threaded connection have screw thread card and seat two (33), the positive fixedly connected with worm (35) of screw thread card and seat two (33), be equipped with axis of rotation (31), screw thread card and seat one (32) in sleeve pipe one (22).

5. The multiple high-efficiency sealed high-performance fire-proof double-eccentric butterfly valve according to claim 4, characterized in that: a worm wheel groove (34) is formed in the middle of the circumferential outer surface of the worm (35), the worm wheel groove (34) is in threaded connection with a worm disc (36), and a worm (35), a thread clamp and a second seat (33) are arranged in the second sleeve (23).

6. The multiple high-efficiency sealed high-performance fire-proof double-eccentric butterfly valve according to claim 1, characterized in that: sealing device includes flange seal dish (3), both ends fixedly connected with flange seal dish (3), every around the circumference surface of valve body (1) four mounting holes (2) have all been seted up in the front of flange seal dish (3).