CN214999448U

CN214999448U - Spiral center line butterfly valve without pin lining rubber

Info

Publication number: CN214999448U
Application number: CN202023048421.1U
Authority: CN
Inventors: 陆妹; 向良庆
Original assignee: Tianjin Shengyuxin Technology Co ltd
Current assignee: Tianjin Shengyuxin Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-12-03
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a no round pin lining is glued spiral central line butterfly valve belongs to valve technical field, no round pin lining is glued spiral central line butterfly valve includes valve body, axle sleeve A, sealing washer, butterfly plate, valve rod and manual spiral head, the sealing washer is inlayed and is connected inside the valve body, adopt detachable connection between valve body and the sealing washer, the valve body main part is the thin wall ring, the other end of valve body main part ring is provided with the blind hole stand, the other end of valve body main part ring is provided with the through-hole stand and the packing box of taking flange. The utility model has the advantages of simple and compact overall structure, sealing performance is good, and fail safe nature is high, and does not have the round pin lining and glue spiral central line butterfly valve and do not need additionally to provide seal gasket when the installation, and the butterfly valve adopts no round pin connection structure, and it is higher to connect fail safe nature, and the arc arch in the butterfly valve outside and inboard wedge are protruding, can effectively avoid the leakage of medium, are fit for being extensively promoted and used.

Description

Spiral center line butterfly valve without pin lining rubber

Technical Field

The utility model relates to the technical field of valves, especially, relate to a no round pin lining is glued spiral central line butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

At present, the novel ship in China puts forward the application requirements of a spiral center line butterfly valve and puts forward higher requirements on the operation, sealing performance and safety and reliability of the valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a no round pin lining is glued spiral central line butterfly valve, overall structure is simple compact, sealing performance is good, fail safe nature is high, and does not have round pin lining and glue spiral central line butterfly valve and do not need additionally to provide seal gasket when the installation, and the butterfly valve adopts no pin connection structure, and it is higher to connect fail safe nature, and the arc arch in the butterfly valve outside is protruding with inboard wedge, can effectively avoid the leakage of medium, can effectively solve the problem among the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a no round pin lining rubber spiral central line butterfly valve, including valve body, axle sleeve A, sealing washer, butterfly plate, valve rod and manual spiral head, the sealing washer is inlayed and is connected in the valve body inside, adopt detachable connection between valve body and the sealing washer, the valve body main part is thin wall ring, the other end of valve body main part ring is provided with the blind hole stand, the other end of valve body main part ring is provided with through-hole stand and the packing box of taking flange, the valve rod includes first section valve rod, second section valve rod and third section valve rod, install backing ring, O shape circle, clamping ring and circlip in proper order between packing box and the first section valve rod, the circlip is located the spacing clamping ring outside, the sealing washer is cyclic annular, and the sealing washer is provided with arc arch with the pipeline flange sealing face axially, be provided with the boss on the sealing washer inner ring face, the butterfly valve is characterized in that a wedge-shaped boss is arranged on the outer annular surface of the sealing ring, the butterfly plate is in a circular sheet shape, a protrusion with a through hole is arranged in the middle of the butterfly plate, the valve rod is in a rod-shaped structure, shaft sleeves B are respectively arranged between the first section of the valve rod and the third section of the valve rod and the shaft hole of the valve body, and the shaft sleeves B are in a thin-wall annular structure.

Optionally, a groove is formed in the valve body, a wedge-shaped groove is formed in the side face of the valve body, and the groove is matched with a boss on the sealing ring.

Optionally, a protrusion with a through hole is arranged in the middle of the butterfly plate, and a regular octagonal section is arranged at one end of the through hole.

Optionally, the cross section of the first section of the valve rod is circular, a key groove connected with a manual screw head is formed in the end head of the first section of the valve rod, the diameters of the first section of the valve rod and the third section of the valve rod correspond to the diameters of the through hole of the valve body stand column and the shaft sleeve B, and the diameter of the third section of the valve rod is smaller than the size of the opposite side of the regular octagonal section.

Optionally, the outer surface of the valve body is provided with a notch and a hole.

The utility model has the advantages as follows:

1. the utility model provides a no round pin lining spiral central line butterfly valve, through rotating manual spiral head, manual spiral head drives the valve rod through lower extreme axle sleeve B and relevant subassembly and rotates, the butterfly plate produces rotatoryly thereupon, reach the purpose of opening the butterfly valve, this no round pin lining spiral central line butterfly valve simple structure is compact, sealing performance is good, the fail safe nature is high, and do not have round pin lining spiral central line butterfly valve does not need additionally to provide seal gasket when the installation, the butterfly valve adopts no round pin connection structure, it is higher to connect fail safe nature, the arc arch and the inboard wedge arch in the butterfly valve outside, can effectively avoid the leakage of medium.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the valve body of the present invention;

FIG. 3 is a schematic structural view of the butterfly plate of the present invention;

FIG. 4 is a schematic structural view of the valve stem of the present invention;

fig. 5 is a schematic structural diagram of the sealing ring of the present invention.

In the figure: 1. a valve body; 2. a shaft sleeve A; 3. a seal ring; 4. a butterfly plate; 5. a valve stem; 6. a shaft sleeve B; 7. A backing ring; 8. an O-shaped ring; 9. a fastener; 10. pressing a ring; 11. a circlip; 12. a manual screw head; 13. a notch; 14. an aperture; 15. a through-hole pillar; 16. a flange; 17. a stuffing box; 18. a wedge-shaped groove; 19. a groove; 20. a blind hole column; 21. a protrusion; 22. a regular octagonal section; 23. a first segment valve stem; 24. a second section of valve stem; 25. a third segment valve stem; 26. a boss; 27. a wedge-shaped boss; 28. and an arc-shaped bulge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 belong to the protection scope of the present invention.

A pin-less rubber-lined spiral center line butterfly valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.

As shown in fig. 1-5, a spiral center line butterfly valve without pin lining rubber comprises a valve body 1, a shaft sleeve a2, a sealing ring 3, a butterfly plate 4, a valve rod 5 and a manual screw head 12, wherein the sealing ring 3 is embedded and connected inside the valve body 1, the valve body 1 and the sealing ring 3 are detachably connected, the main body of the valve body 1 is a thin-walled ring, a blind hole column 20 is arranged at the other end of the main body ring of the valve body 1, a through hole column 15 with a connecting flange 16 and a packing box 17 are arranged at the other end of the main body ring of the valve body 1, the valve rod 5 comprises a first section of valve rod 23, a second section of valve rod 24 and a third section of valve rod 25, a backing ring 7, an O-shaped ring 8, a pressing ring 10 and an elastic retainer ring 11 are sequentially arranged between the packing box 17 and the first section of valve rod 23, the elastic retainer ring 11 is positioned outside the limiting pressing ring 10, the sealing ring 3 is annular, and an arc-shaped protrusion 28 is axially arranged on the sealing surface of the sealing ring 3 and the pipeline flange, the butterfly valve is characterized in that a boss 26 is arranged on the inner annular surface of the sealing ring 3, a wedge-shaped boss 27 is arranged on the outer annular surface of the sealing ring 3, the butterfly plate 4 is in a circular sheet shape, a protrusion 21 with a through hole is arranged in the middle of the butterfly plate 4, the valve rod 5 is in a rod-shaped structure, shaft sleeves B6 are respectively arranged between the first section of valve rod 23 and the third section of valve rod 25 and the shaft hole of the valve body 1, and the shaft sleeve B6 is in a thin-wall annular structure.

In this embodiment, as shown in fig. 1 to 5, by rotating the manual screw head 12, the manual screw head 12 drives the valve rod 5 to rotate through the lower end shaft sleeve B6 and the related components, and the butterfly plate 4 rotates accordingly, thereby achieving the purpose of opening the butterfly valve.

The valve comprises a valve body 1 and is characterized in that a groove 19 is formed in the valve body 1, a wedge-shaped groove 18 is formed in the side face of the valve body 1, and the groove 19 is matched with a boss on a sealing ring 3.

In the embodiment, as shown in fig. 1-2, the groove 19 in the valve body 1 is matched with the boss on the sealing ring 3 to connect and fit the sealing ring 3, so that the sealing performance is good.

Wherein, the middle part of the butterfly plate 4 is provided with a bulge 21 with a through hole, and one end of the through hole is provided with a regular octagon section 22.

In this embodiment, as shown in fig. 2, the protrusion 21 provides a space for the inner through hole.

The section of the first section of the valve rod 23 is circular, a key groove connected with the manual screw head 12 is formed in the end head of the first section of the valve rod 23, the diameters of the first section of the valve rod 23 and the third section of the valve rod 25 correspond to the diameters of an upright post through hole and a shaft sleeve B6 of the valve body 1, and the diameter of the third section of the valve rod 25 is smaller than the size of the opposite side of the regular octagonal section 22.

In the embodiment, as shown in fig. 1 and 4, the first segment of the valve rod 23 is provided with a key slot connected with the manual screw head 12, so that the manual screw head 12 and the valve rod 23 can perform matching movement.

Wherein, the outer surface of the valve body 1 is provided with a notch 13 and a hole 14.

In this embodiment, as shown in fig. 2, the notch 13 or the hole 14 provided on the boss or the flange on the outer surface of the valve body 1 mainly allows the bolt to pass through.

It should be noted that, the utility model relates to a no round pin lining glue spiral central line butterfly valve, in operation, the staff rotates manual spiral head 12, manual spiral head 12 drives valve rod 5 through lower extreme axle sleeve B6 and relevant subassembly and rotates, butterfly plate 4 produces rotatoryly thereupon, reach the purpose of opening the butterfly valve, this no round pin lining glue spiral central line butterfly valve simple structure is compact, sealing performance is good, fail safe nature is high, and no round pin lining glue spiral central line butterfly valve does not need additionally to provide seal gasket when the installation, the butterfly valve adopts no pin connection structure, it is higher to connect fail safe nature, the protruding 28 of arc and the inboard wedge of the butterfly valve outside are protruding, can effectively avoid the leakage of medium.

The utility model discloses a valve body 1; a sleeve A2; a seal ring 3; a butterfly plate 4; a valve stem 5; a sleeve B6; a backing ring 7; an O-ring 8; a fastener 9; a pressure ring 10; a circlip 11; a manual screw head 12; a notch 13; a bore 14; a through-hole pillar 15; a flange 16; a stuffing box 17; a wedge-shaped groove 18; a recess 19; a blind hole column 20; a projection 21; a regular octagonal cross-section 22; a first stage valve stem 23; a second segment valve stem 24; a third segment valve stem 25; a boss 26; a wedge-shaped boss 27; the arcuate projections 28, the components being conventional standard parts or parts known to those skilled in the art, are known in their construction and principle to those skilled in the art either from technical manuals or by routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a no round pin lining rubber spiral central line butterfly valve, includes valve body (1), axle sleeve A (2), sealing washer (3), butterfly plate (4), valve rod (5) and manual spiral head (12), its characterized in that: the sealing ring (3) is embedded and connected inside the valve body (1), the valve body (1) and the sealing ring (3) are detachably connected, the main body of the valve body (1) is a thin-wall ring, a blind hole stand column (20) is arranged at the other end of the main body ring of the valve body (1), a through hole stand column (15) with a connecting flange (16) and a packing box (17) are arranged at the other end of the main body ring of the valve body (1), the valve rod (5) comprises a first section valve rod (23), a second section valve rod (24) and a third section valve rod (25), a backing ring (7), an O-shaped ring (8), a pressure ring (10) and an elastic retainer ring (11) are sequentially arranged between the packing box (17) and the first section valve rod (23), the elastic retainer ring (11) is positioned outside the limiting pressure ring (10), the sealing ring (3) is annular, and an arc-shaped bulge (28) is axially arranged between the sealing ring (3) and a pipeline flange sealing surface, the novel butterfly valve is characterized in that a boss (26) is arranged on the inner ring surface of the sealing ring (3), a wedge-shaped boss (27) is arranged on the outer ring surface of the sealing ring (3), the butterfly plate (4) is in a circular sheet shape, a protrusion (21) with a through hole is arranged in the middle of the butterfly plate (4), the valve rod (5) is in a rod-shaped structure, shaft sleeves B (6) are respectively arranged between the first section valve rod (23) and the third section valve rod (25) and the shaft hole of the valve body (1), and the shaft sleeves B (6) are in thin-wall annular structures.

2. The pinless rubber-lined spiral centerline butterfly valve of claim 1, wherein: the novel sealing valve is characterized in that a groove (19) is formed in the valve body (1), a wedge-shaped groove (18) is formed in the side face of the valve body (1), and the groove (19) is matched with a boss on the sealing ring (3).

3. The pinless rubber-lined spiral centerline butterfly valve of claim 1, wherein: the butterfly plate (4) is provided with a bulge (21) with a through hole in the middle, and a regular octagonal section (22) is arranged at one end of the through hole.

4. The pinless rubber-lined spiral centerline butterfly valve of claim 1, wherein: the cross section of the first section of the valve rod (23) is circular, a key groove connected with the manual screw head (12) is formed in the end of the first section of the valve rod (23), the diameters of the first section of the valve rod (23) and the third section of the valve rod (25) correspond to the diameters of a through hole of an upright column of the valve body (1) and the shaft sleeve B (6), and the diameter of the third section of the valve rod (25) is smaller than the size of the opposite side of the regular octagonal section (22).

5. The pinless rubber-lined spiral centerline butterfly valve of claim 1, wherein: the outer surface of the valve body (1) is provided with a notch (13) and a hole (14).