CN218971850U

CN218971850U - Full-lining tetrafluoro flange butterfly valve for liquid transmission

Info

Publication number: CN218971850U
Application number: CN202320036949.1U
Authority: CN
Inventors: 马洪云
Original assignee: Tianjin Wald Valve Co ltd
Current assignee: Tianjin Wald Valve Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-05-05
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to the technical field of fluorine-lined butterfly valves, in particular to a full-lining tetrafluoro flange butterfly valve for liquid transmission. Its technical scheme includes valve plate, valve shaft and valve body, the valve plate is installed through the valve shaft to the valve body inside, valve body inner wall installs in the valve body bush, valve plate surface mounting has the valve plate bush, valve plate bush surface is equipped with the ring channel, ring channel internally mounted has the rubber ring, the clamp has been cup jointed to the valve body surface, surface mounting has the lead screw under the clamp, threaded sleeve has been cup jointed to the lead screw surface, surface mounting has the backup pad under the threaded sleeve, surface mounting has the fixed pipe on the valve body. The utility model can reduce the abrasion of the lining fluorine in the lining fluorine butterfly valve, maintain the tightness of the butterfly valve and prolong the service life of the butterfly valve.

Description

Full-lining tetrafluoro flange butterfly valve for liquid transmission

Technical Field

The utility model relates to the technical field of fluorine-lined butterfly valves, in particular to a full-lining tetrafluoro flange butterfly valve for liquid transmission.

Background

The fluorine-lined valve is also called fluoroplastic lining corrosion-resistant valve, and is characterized by that polytetrafluoroethylene resin (or its sectional material is processed) is placed on the inner wall of steel or iron valve pressure-bearing piece (the same method is applicable to lining of various pressure containers and pipeline accessories) or on the outer surface of valve internal piece by adopting mould pressing (or inlaid) method, and its unique property in the aspect of resisting strong corrosion medium can be used for making various valves and pressure containers.

Through mass search, a full-lining tetrafluoroflange butterfly valve for liquid transmission in the prior art is found to be a typical fluorine-lining butterfly valve disclosed in the publication No. CN208871051U, and the fluorine-lining butterfly valve adopts a matching design of a female fluorine lining and a male fluorine lining, when the fluorine lining is subjected to fluid scouring and sealing performance deterioration or breakage for a long time, the fluorine lining can be quickly detached and replaced, and the protruding blocks and the grooves in the fluorine-lining butterfly valve are mutually nested and matched and can be clamped, so that the problem that the sealing performance is directly influenced after the fluorine-lining butterfly valve is subjected to scouring for a long time in the prior art and the fluorine-lining butterfly valve is inconvenient to replace is effectively solved.

The existing full-lining tetrafluoro flange butterfly valve for liquid transmission is characterized in that impurities in the transmission liquid adhere to the surface of lining fluorine in the using process, so that the valve plate of the butterfly valve can be worn by the lining fluorine in the opening and closing processes, and the tightness of the butterfly valve is affected.

Disclosure of Invention

The utility model aims to provide a full-lining tetrafluoro flange butterfly valve for liquid transmission, which has the advantages of reducing the abrasion of lining fluorine in the lining fluorine butterfly valve, keeping the sealing property of the butterfly valve and prolonging the service life of the butterfly valve, and solves the problem that the sealing property of the butterfly valve is affected because impurities in the transmission liquid adhere to the surface of the lining fluorine in the using process of the traditional full-lining tetrafluoro flange butterfly valve for liquid transmission, so that the valve plate of the butterfly valve is abraded in the opening and closing processes of the butterfly valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid transmission is with full lining tetrafluoro flange butterfly valve, includes valve plate, valve shaft and valve body, the valve plate is installed through the valve shaft in the valve body inside, valve body inner wall installs in the valve body bush, valve plate surface mounting has the valve plate bush, valve plate bush surface is equipped with the ring channel, ring channel internally mounted has the rubber ring, the valve body surface has cup jointed the clamp, surface mounting has the lead screw under the clamp, threaded sleeve has been cup jointed to the lead screw surface, surface mounting has the backup pad under the threaded sleeve, surface mounting has the fixed pipe on the valve body.

Preferably, two annular grooves are arranged in total, the two annular grooves are symmetrically arranged at two sides of the outer surface of the valve plate bushing, and rubber rings are arranged in the two annular grooves. During the rotation of the valve plate, the rubber ring arranged on the surface of the valve plate bushing can scrape off impurities adhered on the surface of the valve body bushing, so that the abrasion between the valve plate bushing and the valve body bushing is reduced.

Preferably, the connecting flanges are symmetrically arranged on two sides of the valve body. The valve body is connected with an external pipeline through two connecting flanges.

Preferably, the two clamps are arranged in total, and the two clamps are symmetrically sleeved at the positions of two sides of the outer surface of the valve body.

Preferably, the front surface of the fixed pipe is provided with a rotating shaft, the rear surface of the rotating shaft is provided with a bevel gear B, the upper surface of the valve shaft is provided with a bevel gear A, the bevel gear A is meshed with the bevel gear B, and the front surface of the rotating shaft is provided with a rotating rod. The rotating rod drives the rotating shaft to rotate and drives the valve shaft to rotate through the bevel gears A and B, so that the valve plate is driven to rotate.

Preferably, the fixed pipe front surface is provided with a toothed ring, the rotating rod rear surface is provided with a pressing plate through a rotating shaft, the lower surface of the pressing plate is provided with a clamping head, the rotating rod rear surface is provided with a spring at a position above the rotating shaft, and the tail end of the spring is connected with the front surface of the pressing plate. After the opening degree of the valve plate is adjusted, the pressing plate is loosened, and the clamping head is inserted into the tooth groove of the toothed ring under the action of the elastic force of the spring, so that the valve plate is fixed.

Preferably, the outer surface of the screw rod is sleeved with a hand wheel at the position above the threaded sleeve. The hand wheel drives the screw rod to rotate so as to adjust the height of the valve body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the rubber ring, the effects of reducing the abrasion of the lining fluorine in the lining fluorine butterfly valve, maintaining the sealing performance of the butterfly valve and prolonging the service life of the butterfly valve are achieved, and in the process of rotating the valve plate, the rubber ring arranged on the surface of the valve plate lining can scrape the impurities adhered on the surface of the valve body lining, so that the abrasion between the valve plate lining and the valve body lining is reduced.

2. According to the utility model, through the arrangement of the threaded sleeve, the lead screw and the supporting plate, the effects of facilitating the installation of the butterfly valve and playing a role in fixedly supporting the installed butterfly valve are achieved, and in the process of connecting the valve body with an external pipeline through the two connecting flanges, the supporting plate is contacted with the ground and the height of the valve body is adjusted by rotating the hand wheel, so that the two connecting flanges are aligned and connected with the external pipeline.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 4 is a schematic side view of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4C according to the present utility model.

Reference numerals: 1. a valve plate bushing; 2. a valve plate; 3. a valve body bushing; 4. a valve shaft; 5. a connecting flange; 6. a support plate; 7. a threaded sleeve; 8. a screw rod; 9. a hand wheel; 10. a clamp; 11. a valve body; 12. a fixed tube; 13. bevel gears A; 14. a rubber ring; 15. an annular groove; 16. a rotating rod; 17. a pressing plate; 18. a spring; 19. a rotating shaft; 20. a chuck; 21. a rotating shaft; 22. a toothed ring; 23. bevel gear B.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the full-lining tetrafluoroflange butterfly valve for liquid transmission provided by the utility model comprises a valve plate 2, a valve shaft 4 and a valve body 11, wherein the valve plate 2 is arranged in the valve body 11 through the valve shaft 4, the inner wall of the valve body 11 is arranged on a valve body bushing 3, the outer surface of the valve plate 2 is provided with a valve plate bushing 1, the outer surface of the valve plate bushing 1 is provided with annular grooves 15, the two annular grooves 15 are symmetrically arranged at two side positions of the outer surface of the valve plate bushing 1, rubber rings 14 are respectively arranged in the two annular grooves 15, the rubber rings 14 are respectively arranged in the annular grooves 15, the outer surface of the valve body 11 is sheathed with a clamp 10, a lead screw 8 is arranged on the lower surface of the clamp 10, a threaded sleeve 7 is sheathed on the outer surface of the lead screw 8, a supporting plate 6 is arranged on the lower surface of the threaded sleeve 7, a fixed pipe 12 is arranged on the upper surface of the valve body 11, a rotating shaft 21 is arranged on the front surface of the fixed pipe 12, a bevel gear B23 is arranged on the rear surface of the rotating shaft 21, a bevel gear a13 is arranged on the upper surface of the fixed pipe 4, the bevel gear a13 is meshed with the bevel gear B23, the front surface of the rotating shaft 21 is provided with a rotating rod 16, the rotating rod 22 is symmetrically arranged on the front surface of the rotating shaft 21, the rotating rod 16 is arranged on the front surface of the rotating shaft 12, the rotating shaft 22 is respectively, the rear surface of the rotating shaft 16 is symmetrically arranged on the rotating shaft 17 is arranged on the rotating shaft 17 through the rotating shaft 17 and the rotating shaft 17, the rotating shaft 17 and the front surface is symmetrically arranged on the rotating shaft 17 and the front surface of the rotating shaft 18 and the front surface is arranged at the front end 18 and the front side of the rotating flange 18.

The working principle of the full-lining tetrafluoro flange butterfly valve for liquid transmission based on the embodiment 1 is as follows: the rotating rod 16 drives the rotating shaft 21 to rotate and drives the valve shaft 4 to rotate through the bevel gears A13 and B23, so that the valve plate 2 is driven to rotate, in the process of rotating the valve plate 2, the rubber ring 14 arranged on the surface of the valve plate bushing 1 can scrape impurities adhered on the surface of the valve body bushing 3, so that abrasion of the valve plate bushing 1 and the valve body bushing 3 is reduced, after the opening degree of the valve plate 2 is adjusted, the pressing plate 17 is loosened, and the clamping head 20 is inserted into a tooth groove of the toothed ring 22 under the action of the elastic force of the spring 18.

Example two

As shown in fig. 1 and fig. 4, compared with the first embodiment, the full-lining tetrafluoroflange butterfly valve for liquid transmission provided by the present utility model further includes two clips 10, wherein the two clips 10 are symmetrically sleeved on two sides of the outer surface of the valve body 11, and a hand wheel 9 is sleeved on the outer surface of the screw rod 8 above the threaded sleeve 7.

In this embodiment, in the process of connecting the valve body 11 and the external pipe through the two connecting flanges 5, the supporting plate 6 is brought into contact with the ground and the hand wheel 9 is rotated to adjust the height of the valve body 11, so that the two connecting flanges 5 and the external pipe are aligned and connected.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a liquid transmission is with lining tetrafluoro flange butterfly valve entirely, includes valve plate (2), valve shaft (4) and valve body (11), its characterized in that: valve plate (2) are installed through valve shaft (4) inside valve body (11), valve body (11) inner wall installs in valve body bush (3), valve plate (2) surface mounting has valve plate bush (1), valve plate bush (1) surface is equipped with ring channel (15), ring channel (15) internally mounted has rubber ring (14), clamp (10) have been cup jointed to valve body (11) surface, surface mounting has lead screw (8) under clamp (10), threaded sleeve (7) have been cup jointed to lead screw (8) surface, threaded sleeve (7) lower surface mounting has backup pad (6), valve body (11) upper surface mounting has fixed pipe (12).

2. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 1, wherein: the two annular grooves (15) are arranged in total, the two annular grooves (15) are symmetrically arranged at two sides of the outer surface of the valve plate bushing (1), and rubber rings (14) are arranged in the two annular grooves (15).

3. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 1, wherein: connecting flanges (5) are symmetrically arranged on two sides of the valve body (11).

4. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 1, wherein: the two clamping hoops (10) are arranged in total, and the two clamping hoops (10) are symmetrically sleeved at two side positions of the outer surface of the valve body (11).

5. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 1, wherein: the rotary shaft (21) is arranged on the front surface of the fixed pipe (12), the bevel gear B (23) is arranged on the rear surface of the rotary shaft (21), the bevel gear A (13) is arranged on the upper surface of the valve shaft (4), the bevel gear A (13) is meshed with the bevel gear B (23), and the rotary rod (16) is arranged on the front surface of the rotary shaft (21).

6. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 5, wherein: the fixed pipe (12) front surface installs ring gear (22), clamp plate (17) are installed through axis of rotation (19) to bull stick (16) rear surface, clamp head (20) are installed to clamp plate (17) lower surface mounting, spring (18) are installed in position department above axis of rotation (19) to bull stick (16) rear surface, and spring (18) end and clamp plate (17) front surface connection.

7. A liquid transfer full liner tetrafluoroflange butterfly valve according to claim 1, wherein: the outer surface of the screw rod (8) is positioned above the threaded sleeve (7) and sleeved with a hand wheel (9).