CN213017755U

CN213017755U - Telescopic metal seal butterfly valve

Info

Publication number: CN213017755U
Application number: CN202021562770.2U
Authority: CN
Inventors: 刘庭毅; 刘庭宏
Original assignee: Handa Valve Co ltd
Current assignee: Handa Valve Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-20
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a metal butterfly valve technical field just discloses a telescopic metal seal butterfly valve, including valve body and valve plate, the valve plate sets up in the inside of valve body, the fixed sealed cowling that is provided with in upper surface middle part of valve body, the inside of sealed cowling is provided with the bull stick, the bull stick passes through sealed bearing and rotates with the valve body to be connected and the inside and the valve plate fixed connection that the lower extreme extends to the valve body, the fixed worm wheel that has cup jointed in middle-end of bull stick, the rear side meshing of worm wheel is provided with the worm, the right-hand member of worm extends to the outside of sealed cowling and the fixed runner that is provided with, the spout has all been seted up to the inside both sides of valve body, both sides the inside of spout all slides and is provided with flexible pipe, two the inboard one end of flexible pipe is. The utility model discloses can adjust both sides valve body both sides length simultaneously for the valve body installation is more convenient.

Description

Telescopic metal seal butterfly valve

Technical Field

The utility model relates to a metal butterfly valve technical field especially relates to a telescopic metal seal butterfly valve.

Background

The metal sealing series butterfly valve scientifically adopts new technology, new process and high-quality material to manufacture, so that the valve has strong reliability, reduces and avoids maintenance during use, has long service life and has good use benefit and social benefit.

The traditional metal seal butterfly valve has some problems in the use process, and when the butterfly valve is in butt joint installation with a pipeline, a telescopic device must be arranged to compensate the error amount of the installation position, but the use of the telescopic device makes the installation steps of the valve complicated, and the installation cost of the valve is also increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the installation wastes time and energy and increases the installation cost in the installation of the butterfly valve and the pipeline butt joint in the prior art and must be equipped with the expansion bend, and the telescopic metal seal butterfly valve who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a telescopic metal sealing butterfly valve comprises a valve body and a valve plate, wherein the valve plate is arranged inside the valve body, a sealing cover is fixedly arranged in the middle of the upper surface of the valve body, a rotating rod is arranged inside the sealing cover, the rotating rod is rotatably connected with the valve body through a sealing bearing, the lower end of the rotating rod extends into the valve body and is fixedly connected with the valve plate, a worm wheel is fixedly sleeved at the middle end of the rotating rod, a worm is meshed at the rear side of the worm wheel, the right end of the worm extends to the outer side of the sealing cover and is fixedly provided with a rotating wheel, sliding grooves are formed in two sides inside the valve body, telescopic pipes are slidably arranged in the sliding grooves at two sides, limiting plates are fixedly arranged at one ends of the inner sides of the two telescopic pipes and are matched with the corresponding sliding grooves, flanges are fixedly arranged at one ends of the outer sides of the two telescopic pipes, grooves are formed in two sides of two ends of the valve body, and clamping mechanisms for fixing the telescopic pipes are arranged in the grooves.

Preferably, chucking mechanism includes L type pole and clamp ring, and is a plurality of L type pole all sets up and all rotates through pivot and the recess that corresponds in the inside and the middle-end of the recess that corresponds and be connected, a plurality of draw-in grooves have all been seted up to flexible pipe's both sides, and is a plurality of the outside one end of L type pole all with correspond the draw-in groove phase-match, two the clamp ring all set up in the one end of the valve body that corresponds and with valve body threaded connection.

Preferably, the rod walls of the rotating shafts are movably sleeved with torsion springs, and two ends of each torsion spring are fixedly connected with the corresponding rotating shaft and the corresponding L-shaped rod respectively.

Preferably, a plurality of the inside of spout all is provided with the gag lever post, and is a plurality of the gag lever plate all with corresponding gag lever post sliding connection.

Preferably, the valve body and the telescopic pipes on the two sides are made of alloy steel materials.

Preferably, both sides of the valve body are provided with sealing rings.

Compared with the prior art, the utility model provides a telescopic metal seal butterfly valve possesses following beneficial effect:

1. this telescopic metal seal butterfly valve through the flexible pipe of pulling both sides, a plurality of L type poles and the draw-in groove chucking cooperation of the flexible pipe lateral wall that corresponds, then use two clamp rings to screw up with the flexible pipe screw thread of both sides and accomplish the fixed of the flexible pipe of both sides promptly, realize adjusting both sides valve body both sides length simultaneously promptly.

2. This telescopic metal seal butterfly valve all is provided with the gag lever post through two inside spouts in both sides, and two limiting plates all with the gag lever post sliding connection that corresponds to make the slip that the flexible pipe of both sides can be steady.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can adjust both sides valve body both sides length simultaneously for the valve body installation is more convenient.

Drawings

Fig. 1 is a schematic structural view of a telescopic metal seal butterfly valve provided by the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: 1. a valve body; 2. a valve plate; 3. a rotating rod; 4. a sealing cover; 5. a worm; 6. a worm gear; 7. a rotating wheel; 8. a telescopic pipe; 9. a flange; 10. mounting holes; 11. a rotating shaft; 12. a limiting plate; 13. a seal ring; 14. an L-shaped rod; 15. a torsion spring; 16. a card slot; 17. a compression ring; 18. a limiting rod.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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.

Referring to fig. 1-2, a telescopic metal seal butterfly valve comprises a valve body 1 and a valve plate 2, the valve plate 2 is arranged inside the valve body 1, a seal cover 4 is fixedly arranged in the middle of the upper surface of the valve body 1, a rotating rod 3 is arranged inside the seal cover 4, the rotating rod 3 is rotatably connected with the valve body 1 through a seal bearing, the lower end of the rotating rod extends to the inside of the valve body 1 and is fixedly connected with the valve plate 2, a worm wheel 6 is fixedly sleeved at the middle end of the rotating rod 3, a worm 5 is meshed with the rear side of the worm wheel 6, the right end of the worm 5 extends to the outside of the seal cover 4 and is fixedly provided with a rotating wheel 7, sliding grooves are respectively arranged at both sides inside the valve body 1, telescopic pipes 8 are respectively arranged inside the sliding grooves at both sides, a limiting plate 12 is fixedly arranged at one end of the inner side of each telescopic pipe, a plurality of mounting holes 10 have all been seted up on the surface of two flanges 9, and the both ends both sides of valve body 1 all are seted up flutedly, and the inside of a plurality of recesses all is provided with the chucking mechanism of fixed flexible pipe 8.

The clamping mechanism comprises L-shaped rods 14 and compression rings 17, the L-shaped rods 14 are arranged inside corresponding grooves, the middle ends of the L-shaped rods are connected with the corresponding grooves in a rotating mode through rotating shafts 11, a plurality of clamping grooves 16 are formed in the two sides of the telescopic pipe 8, one ends of the outer sides of the L-shaped rods 14 are matched with the corresponding clamping grooves 16, and the two compression rings 17 are arranged at one ends of the corresponding valve bodies 1 and are in threaded connection with the valve bodies 1.

Torsion springs 15 are movably sleeved on the rod walls of the rotating shafts 11, two ends of each torsion spring 15 are fixedly connected with the corresponding rotating shaft 11 and the corresponding L-shaped rod 14 respectively, and the elastic force of each torsion spring 15 drives the upper end of the corresponding L-shaped rod 14 to rotate outwards in a natural state, so that one end of the outer side of each L-shaped rod 14 is clamped into the clamping groove 16.

The inside of a plurality of spouts all is provided with gag lever post 18, and a plurality of limiting plates 12 all with the gag lever post 18 sliding connection that corresponds for the gliding more steady of flexible pipe 8 in both sides.

The valve body 1 and the telescopic pipes 8 on the two sides are made of alloy steel materials, so that the device is firmer and more durable.

And sealing rings 13 are arranged on two sides of the valve body 1, so that the sealing property between the valve body 1 and the telescopic pipe 8 is improved.

The utility model discloses in, during the use, the staff presses down the inboard one end of two L type poles 14 in both sides to the recess that corresponds is inside, then 8 outside with the flexible pipe in both sides according to the demand, stimulate suitable length, then loosen a plurality of L type poles 14, this moment all with the 16 chucking cooperations of draw-in groove that correspond to the outside one end of individual L type pole 14, screw up two clamp rings 17 and the one end screw thread of the valve body 1 that corresponds and accomplish can be to the flexible pipe 8's in both sides fixed, the butterfly valve can normal use this moment, rotate runner 7, runner 7 drives worm 5 and rotates, worm 5 drives worm wheel 6 and rotates, thereby make runner 3 drive valve plate 2 and rotate, can open valve plate 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a telescopic metal seal butterfly valve, includes valve body (1) and valve plate (2), its characterized in that, valve plate (2) set up in the inside of valve body (1), the fixed sealed cowling (4) that is provided with in upper surface middle part of valve body (1), the inside of sealed cowling (4) is provided with bull stick (3), bull stick (3) rotate with valve body (1) through sealed bearing and are connected and the lower extreme extends to the inside and valve plate (2) fixed connection of valve body (1), the well end fixed hub connection of bull stick (3) has worm wheel (6), the rear side meshing of worm wheel (6) is provided with worm (5), the right-hand member of worm (5) extends to the outside of sealed cowling (4) and is fixed and is provided with runner (7), the inside both sides of valve body (1) have all seted up the spout, both sides the inside of spout all slides and is provided with flexible pipe (8), two inboard one end of flexible pipe (8) is all fixed and is provided with limiting plate (12), two limiting plate (12) all with the spout phase-match that corresponds, two the outside one end of flexible pipe (8) is all fixed and is provided with flange (9), two a plurality of mounting holes (10) have all been seted up on the surface of flange (9), the both ends both sides of valve body (1) are all seted up flutedly, and are a plurality of the inside of recess all is provided with fixedly the chucking mechanism of flexible pipe (8).

2. The telescopic metal sealing butterfly valve according to claim 1, wherein the clamping mechanism comprises L-shaped rods (14) and compression rings (17), the plurality of L-shaped rods (14) are arranged inside corresponding grooves, the middle ends of the L-shaped rods are rotatably connected with the corresponding grooves through rotating shafts (11), a plurality of clamping grooves (16) are formed in two sides of the telescopic pipe (8), one ends of the outer sides of the plurality of L-shaped rods (14) are matched with the corresponding clamping grooves (16), and the two compression rings (17) are arranged at one ends of corresponding valve bodies (1) and are in threaded connection with the valve bodies (1).

3. The telescopic metal sealing butterfly valve according to claim 2, wherein torsion springs (15) are movably sleeved on rod walls of the plurality of rotating shafts (11), and two ends of the plurality of torsion springs (15) are respectively and fixedly connected with the corresponding rotating shafts (11) and the L-shaped rods (14).

4. The telescopic metal-sealed butterfly valve according to claim 1, wherein a plurality of said sliding grooves are provided with a limiting rod (18) inside, and a plurality of said limiting plates (12) are slidably connected with the corresponding limiting rods (18).

5. A telescopic metal-sealed butterfly valve according to claim 1, characterised in that said valve body (1) and said telescopic tubes (8) on both sides are made of alloy steel.

6. The telescopic metal-sealed butterfly valve according to claim 1, characterized in that said valve body (1) is provided with sealing rings (13) on both sides.