CN216555415U

CN216555415U - Butterfly valve sealing element

Info

Publication number: CN216555415U
Application number: CN202122708059.4U
Authority: CN
Inventors: 孟令发
Original assignee: Tianjin Lingfa Valve Co ltd
Current assignee: Tianjin Lingfa Valve Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-17
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a butterfly valve sealing element which comprises a first taper sleeve, a second taper sleeve, a structural ring and a structural seat, wherein the second taper sleeve is arranged on one side of the first taper sleeve, the structural rings are arranged at the tops of the first taper sleeve and the second taper sleeve, an insertion pipe is welded at the bottom of the structural rings, and a clamping ring is sleeved on the outer side of the insertion pipe. The utility model is designed with multiple sealing structures, has good sealing effect, is not easy to leak, has high strength and is not easy to deform and damage.

Description

Butterfly valve sealing element

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve sealing element.

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 butterfly valve mainly comprises valve body, valve rod, butterfly plate and sealing washer, and the valve plate is driven through the valve rod through the reciprocal 90 left and right sides of gyration of rotating disc or handle to rotate, opens, closes or adjusts the medium flow, and the valve rod need use the sealing member to seal between valve rod and valve body when installing in the valve body.

The existing butterfly valve sealing element has the following defects: 1. overall structure is simple, and sealed effect is poor, and easy deformation leads to the medium to leak, and 2, intensity are lower, damage easily after long-time the use. To this end, we propose a butterfly valve seal.

Disclosure of Invention

The utility model mainly aims to provide a butterfly valve sealing element which can effectively solve the problems in the background technology.

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

the utility model provides a butterfly valve sealing member, includes taper sleeve, No. two taper sleeves, structural ring and structure seat, No. one taper sleeve one side is provided with No. two taper sleeves, No. one taper sleeve and No. two taper sleeve top are provided with the structural ring, the welding of structural ring bottom has the intubate, intubate outside cover is equipped with the snap ring.

Furthermore, a butt joint groove has been seted up at one side both ends of a taper sleeve, the reservation groove has been seted up to a taper sleeve both sides, the welding of one side both ends of No. two taper sleeves has the butt joint piece that corresponds with the butt joint groove, the welding of two side of No. two taper sleeves has the reservation piece that corresponds with the reservation groove.

Furthermore, a structure seat is welded inside each of the first taper sleeve and the second taper sleeve, and a steel ball is embedded into one side of each structure seat.

Furthermore, a sealing ring is glued on the top of the structure seat, and a hard sealing block is embedded in the bottom of the structure seat; the sealing ring and the hard sealing block are used for sealing between the valve rod and the first conical sleeve and the second conical sleeve.

Furthermore, clamping grooves are formed in one ends of the inner sides of the first taper sleeve and the second taper sleeve; the clamping groove facilitates insertion of the clamping ring, and the structural ring is fixed.

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

1. through setting up the sealed piece of stereoplasm, sealing washer and snap ring, when taper sleeve and No. two taper sleeves were closed, the sealed piece of stereoplasm and sealing washer sealed between taper sleeve and No. two taper sleeves and valve rod, sealed effectual, non-deformable, the leakage, when the structure ring shifts down the lid on taper sleeve and No. two taper sleeves, the intubate inserted in taper sleeve and No. two taper sleeves, the snap ring inserts the draw-in groove simultaneously, fix the structure ring, and can seal between structure ring and taper sleeve and No. two taper sleeves.

2. Through setting up a taper sleeve, No. two taper sleeves and structural ring, the personnel overlap the structural ring in the valve rod outside, and with a taper sleeve and No. two taper sleeves block in the valve rod outside, make butt joint piece and the preformed groove of No. two taper sleeve one side insert butt joint groove and the preformed groove of a taper sleeve one side, make a taper sleeve and No. two taper sleeves closed, insert in the valve body with a taper sleeve and No. two taper sleeves after the closure, again with the structural ring move down the lid on a taper sleeve and No. two taper sleeves after the closure, the use tools strikes the structural ring, insert between valve rod and the valve body with a taper sleeve and No. two taper sleeves after the closure, seal, non-deformable after long-time the use, damage.

Drawings

Fig. 1 is a schematic view of the overall structure of a butterfly valve seal according to the present invention.

Fig. 2 is a schematic structural diagram of a first conical sleeve and a second conical sleeve of the butterfly valve sealing element.

In the figure: 1. a first taper sleeve; 2. a second cone sleeve; 3. a structural ring; 4. a structure base; 5. steel balls; 6. a hard seal block; 7. a seal ring; 8. a butt joint block; 9. reserving a groove; 10. reserving a block; 11. inserting a tube; 12. a snap ring; 13. a card slot; 14. and (4) butting the grooves.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a butterfly valve sealing member, includes taper sleeve 1, No. two taper sleeves 2, structural ring 3 and structure seat 4, taper sleeve 1 one side is provided with No. two taper sleeves 2, taper sleeve 1 and No. two taper sleeves 2 top are provided with structural ring 3, the welding of structural ring 3 bottom has intubate 11, intubate 11 outside cover is equipped with snap ring 12.

The two ends of one side of the first taper sleeve 1 are provided with butt joint grooves 14, the two sides of the first taper sleeve 1 are provided with reserved grooves 9, the two ends of one side of the second taper sleeve 2 are welded with butt joint blocks 8 corresponding to the butt joint grooves 14, and the two sides of the second taper sleeve 2 are welded with reserved blocks 10 corresponding to the reserved grooves 9.

In this embodiment, as shown in fig. 1, the butt joint block 8 and the reserved block 10 on one side of the second taper sleeve 2 are inserted into the butt joint groove 14 and the reserved groove 9 on one side of the first taper sleeve 1, so that the first taper sleeve 1 and the second taper sleeve 2 can be conveniently butted and clamped.

Wherein, No. one taper sleeve 1 and No. two taper sleeve 2 inside all welds there is

structure seat

4, 4 one sides of structure seat are inlayed and are equipped with steel ball 5.

In this embodiment, as shown in fig. 2, after the first taper sleeve 1 and the second taper sleeve 2 are engaged, the steel ball 5 on one side of the structural seat 4 is attached to the valve rod, so that the valve rod is convenient to rotate.

Wherein, the top of the structure seat 4 is glued with a sealing ring 7, and the bottom of the structure seat 4 is embedded with a hard sealing block 6.

In the embodiment, as shown in fig. 2, a seal ring 7 and a hard seal block 6 seal between the valve rod and the first conical sleeve 1 and the second conical sleeve 2.

Wherein, a draw-in groove 13 has all been seted up to No. one taper sleeve 1 and No. two taper sleeve 2 inboard one end.

In this embodiment, as shown in fig. 1, the clamping groove 13 facilitates the insertion of the snap ring 12 to fix the structural ring 3.

It should be noted that, the utility model is a butterfly valve sealing element, when working, a person sleeves a structural ring 3 on the outer side of a valve rod, and clamps a first conical sleeve 1 and a second conical sleeve 2 on the outer side of the valve rod, so that a butt joint block 8 and a reserved groove 9 on one side of the second conical sleeve 2 are inserted into a butt joint groove 14 and a reserved groove 9 on one side of the first conical sleeve 1, so that the first conical sleeve 1 and the second conical sleeve 2 are closed, the closed first conical sleeve 1 and the closed second conical sleeve 2 are inserted into a valve body, then the structural ring 3 is moved downwards to cover the closed first conical sleeve 1 and the closed second conical sleeve 2, a tool is used to knock the structural ring 3, the closed first conical sleeve 1 and the closed second conical sleeve 2 are inserted between the valve rod and the valve body to seal, the sealing element is not easy to deform or damage after long-time use, when the first conical sleeve 1 and the second conical sleeve 2 are closed, a steel ball 5 on one side of a structural seat 4 is tightly attached to the valve rod, so that the valve rod can rotate, stereoplasm seal block 6 and sealing washer 7 seal between 1 taper sleeve and No. two taper sleeves 2 and valve rod, and is sealed effectual, non-deformable, leak, and when structure ring 3 moved down the lid on 1 taper sleeve and No. two taper sleeves 2, intubate 11 inserted 1 taper sleeve and No. two taper sleeves 2 in, snap ring 12 inserted draw-in groove 13 simultaneously, fixed structure ring 3, and can seal between structure ring 3 and a taper sleeve 1 and No. two taper sleeves 2.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a butterfly valve sealing member, includes a taper sleeve (1), No. two taper sleeves (2), structure ring (3) and structure seat (4), its characterized in that: a taper sleeve (1) one side is provided with No. two taper sleeves (2), No. one taper sleeve (1) and No. two taper sleeve (2) top are provided with structural ring (3), the welding of structural ring (3) bottom has intubate (11), intubate (11) outside cover is equipped with snap ring (12).

2. The butterfly valve seal of claim 1, wherein: a taper sleeve (1) one side both ends have been seted up and have been docked groove (14), reserve groove (9) have been seted up to taper sleeve (1) both sides, No. two taper sleeve (2) one side both ends welding have butt joint piece (8) that correspond with butt joint groove (14), No. two taper sleeve (2) both sides welding have reserve piece (10) that correspond with reserve groove (9).

3. The butterfly valve seal of claim 1, wherein: a structure seat (4) is all welded in first taper sleeve (1) and second taper sleeve (2), inlay on one side of structure seat (4) and be equipped with steel ball (5).

4. The butterfly valve seal of claim 1, wherein: the structure seat (4) top veneer has sealing washer (7), structure seat (4) bottom is inlayed and is equipped with stereoplasm seal block (6).

5. The butterfly valve seal of claim 1, wherein: a clamping groove (13) is formed in one end of the inner side of each of the first taper sleeve (1) and the second taper sleeve (2).