CN217271959U

CN217271959U - Flange type bidirectional metal hard sealing butterfly valve

Info

Publication number: CN217271959U
Application number: CN202220674397.2U
Authority: CN
Inventors: 何顺青; 童海; 周家宇
Original assignee: Lishui Hongyu Valve Co ltd
Current assignee: Lishui Hongyu Valve Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-23
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to the technical field of sealed butterfly valves, in particular to a flange type bidirectional metal hard sealed butterfly valve, which comprises a pipeline main body, wherein flanges are arranged at the positions, close to two ends, on the circumferential outer wall of the pipeline main body, a limiting ring is arranged at the middle position in the pipeline main body, a butterfly plate is arranged in the middle of the limiting ring, a main shaft is arranged in the middle of the butterfly plate, a first conical tooth is arranged at the tail end of the main shaft, a box body is arranged at the position, corresponding to the main shaft, on the outer wall of the box body, a rotating rod is embedded at one side of the box body, a second conical tooth is arranged at the position, corresponding to the first conical tooth, at the left end of the rotating rod, and a hand wheel is arranged at the right end of the rotating rod; the flange type bidirectional metal hard sealing butterfly valve is characterized in that flanges are arranged at two ends of a pipeline main body, flange holes are formed in the flanges, the pipeline main body convenient to combine and fix with an external pipeline, a limiting ring is rotatably connected with a disc plate, a second conical tooth and a first conical tooth are protected by a matching box body, a rotating rod is conveniently adjusted by manual rotation in cooperation with a hand wheel, and accordingly the size of the corresponding valve is controlled to be opened.

Description

Flange type bidirectional metal hard sealing butterfly valve

Technical Field

The utility model relates to a sealed butterfly valve technical field specifically is a two-way metal of flange formula butterfly valve sealed firmly.

Background

In various industrial pipelines, particularly large-diameter pipelines, such as petroleum, chemical industry, gas, heating power, power stations, metallurgy, papermaking and the like, the bidirectional butterfly valve is widely applied, is suitable for media such as gas, liquid and the like, is not limited by the flow direction of the media in installation, is not influenced by spatial position, and can be installed on pipelines at will;

the general two-way butterfly valve adopts soft seal or soft and hard combined composite seal more, and the cost of manufacture is high, is difficult for using widely, and the aggregate erection is not convenient, seals inseparably, influences the gas tightness of installation, the size that inconvenient manual regulating valve opened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way metal of flange formula seals butterfly valve firmly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a two-way metal of flange formula butterfly valve sealed firmly, includes the pipeline main part, it all is equipped with the flange to be close to both ends department on the pipeline main part circumference outer wall, the inside intermediate position of pipeline main part is equipped with the spacing ring, be equipped with the butterfly plate in the middle of the spacing ring, be equipped with the main shaft in the middle of the butterfly plate, the main shaft passes the pipeline main part and extends to the external world, the main shaft end is equipped with first tapered tooth, it is equipped with the box with the main shaft department of corresponding on the pipeline main part outer wall, box one side is inlayed and is equipped with the bull stick, the bull stick left end is equipped with second tapered tooth with first tapered tooth department of corresponding, the bull stick right-hand member is equipped with the hand wheel.

Preferably, the flange is welded and fixed with the pipeline main body, and a plurality of flange holes are formed in the flange.

Preferably, the spacing ring is fixedly bonded with the pipeline main body, the inner diameter of the spacing ring is matched with the diameter of the butterfly plate, sealing gaskets are symmetrically arranged on the inner ring of the spacing ring, and the sealing gaskets are arc-shaped.

Preferably, the main shaft and the butterfly plate are of an integrally formed structure, the butterfly plate is rotatably connected with the pipeline main body through the main shaft, and the first tapered teeth are welded and fixed with the main shaft.

Preferably, the box body is welded and fixed with the pipeline main body, and a top cover is arranged above the box body.

Preferably, the top cover upper surface is close to the corner and is all provided with a perforation, all be equipped with fastening bolt in the perforation, the box tip corresponds the department with the perforation and is provided with the screw hole.

Preferably, the hand wheel passes through screw fixed connection with the bull stick, second tapered tooth and bull stick welded fastening, second tapered tooth and the meshing of first tapered tooth, the cover is equipped with the bearing on the bull stick, bearing inner race and bull stick welded fastening, bearing outer lane and box bonding are fixed.

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

1. the utility model discloses a be equipped with the flange on pipeline main part both ends, set up the flange hole on the flange, be convenient for pipeline main part and external pipeline combination are fixed, and the spacing ring rotates with the dish board to be connected, cooperates the box to protect second conical tooth and first conical tooth, and the cooperation of bull stick and hand wheel makes things convenient for manual rotation to adjust to the size that the valve that the control corresponds was opened;

2. the utility model discloses an installation is sealed to fill up, increases the leakproofness of dish board and spacing ring, is convenient for restrict dish board rotation direction simultaneously, and the top cap is convenient for fix the top cap position under fastening bolt's cooperation, makes things convenient for manual aggregate erection, and the bull stick realizes the rotation that bull stick and box are nimble under the cooperation of bearing.

Drawings

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

FIG. 2 is a schematic view of the top cover opening structure of the present invention;

fig. 3 is a schematic view of the sectional structure of the valve of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the valve of the present invention when it is opened;

fig. 5 is a schematic view of the combined structure of the pipeline main body and the butterfly plate of the present invention.

The various reference numbers in the figures mean:

1. a pipe body; 10. a limiting ring; 100. a gasket;

2. a box body; 20. A threaded hole;

3. a flange; 30. A flange hole;

4. a top cover; 40. perforating; 41. fastening a bolt;

5. a butterfly plate; 50. a main shaft; 51. a first tapered tooth;

6. a rotating rod; 60. second tapered teeth; 61. a hand wheel; 62. and a bearing.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-5, the present embodiment provides a technical solution:

the utility model provides a two-way metal of flange formula butterfly valve sealed firmly, including pipeline subject 1, it all is equipped with flange 3 to be close to both ends department on the 1 circumference outer wall of pipeline subject, 1 inside intermediate position of pipeline subject is equipped with spacing ring 10, be equipped with butterfly plate 5 in the middle of the spacing ring 10, be equipped with main shaft 50 in the middle of the butterfly plate 5, main shaft 50 passes pipeline subject 1 and extends to the external world, main shaft 50 end is equipped with first tapered tooth 51, it is equipped with box 2 with main shaft 50 department of correspondence on the 1 outer wall of pipeline subject, 2 one sides of box are inlayed and are equipped with

bull stick

6, 6 left ends of bull stick are equipped with second tapered tooth 60 with first tapered tooth 51 department of correspondence, 6 right-hand members of bull stick are equipped with hand wheel 61.

In this embodiment, flange 3 and pipeline main part 1 welded fastening have seted up a plurality of flange hole 30 on the flange 3, and flange hole 30 is the equidistant distribution of annular, is convenient for pass through flange 3, fixes pipeline main part 1 on corresponding pipeline.

Further, the spacing ring 10 is fixed with the pipeline main part 1 in a bonding mode, the inner diameter of the spacing ring 10 is matched with the diameter of the butterfly plate 5, the inner ring of the spacing ring 10 is further symmetrically provided with a sealing gasket 100, the sealing gasket 100 is arc-shaped, and the sealing performance of the spacing ring 10 and the butterfly plate 5 is improved due to the installation of the sealing gasket 100.

Specifically, the main shaft 50 and the butterfly plate 5 are of an integrally formed structure, the butterfly plate 5 is rotatably connected with the pipeline main body 1 through the main shaft 50, and the first tapered teeth 51 are welded and fixed with the main shaft 50, so that the structural stability is improved.

Secondly, box 2 and pipeline main part 1 welded fastening, box 2 top are equipped with top cap 4, and top cap 4 installation realizes the sealed protection to box 2 inside.

It should be noted that the top cover 4 has through holes 40 formed in the upper surface thereof near the corners, fastening bolts 41 are disposed in the through holes 40, threaded holes 20 are formed in the end portions of the box body 2 corresponding to the through holes 40, and the fastening bolts 41 pass through the through holes 40 and are in threaded connection with the threaded holes 20 to fix the top cover 4 and the box body 2.

It is worth supplementing that, the hand wheel 61 is fixedly connected with the rotating rod 6 through a screw, the second conical teeth 60 are welded and fixed with the rotating rod 6, the second conical teeth 60 are meshed with the first conical teeth 51, the rotating rod 6 is sleeved with a bearing 62, an inner ring of the bearing 62 is welded and fixed with the rotating rod 6, an outer ring of the bearing 62 is bonded and fixed with the box body 2, the bearing 62 is installed, the rotating flexibility of the rotating rod 6 is improved, and the hand wheel 61 is installed to facilitate manual rotation and adjustment.

The two-way metal of flange formula butterfly valve sealed firmly of this embodiment is when using, the user is connected spacing ring 10 and pipeline main part 1, sealed pad 100 bonds on spacing ring 10, butterfly plate 5 rotates with pipeline main part 1 under main shaft 50's cooperation and is connected, under the cooperation of bull stick 6, the manual rotation of being convenient for is adjusted, first tapered tooth 51 meshes with second tapered tooth 60, manual cooperation of pegging graft top cap 4 and box 2, fastening bolt 41 fixes top cap 4, then install pipeline main part 1 on the pipeline that corresponds through flange 3, the realization is opened or closed the regulation, it is convenient wholly to make up, it changes to make things convenient for manual dismantlement, and is simple in structure.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two-way metal of flange formula seals butterfly valve firmly, includes pipeline main part (1), its characterized in that: be close to both ends department on pipeline main part (1) circumference outer wall and all be equipped with flange (3), pipeline main part (1) inside intermediate position is equipped with spacing ring (10), be equipped with butterfly plate (5) in the middle of spacing ring (10), be equipped with main shaft (50) in the middle of butterfly plate (5), main shaft (50) pass pipeline main part (1) and extend to the external world, main shaft (50) end is equipped with first tapered tooth (51), it is equipped with box (2) to correspond department with main shaft (50) on pipeline main part (1) outer wall, box (2) one side inlays and is equipped with bull stick (6), bull stick (6) left end corresponds department with first tapered tooth (51) and is equipped with second tapered tooth (60), bull stick (6) right-hand member is equipped with hand wheel (61).

2. The flange-type bidirectional metal hard seal butterfly valve of claim 1, wherein: the flange (3) is fixedly welded with the pipeline main body (1), and a plurality of flange holes (30) are formed in the flange (3).

3. The flange-type bidirectional metal hard seal butterfly valve of claim 1, wherein: spacing ring (10) and pipeline main part (1) bonding are fixed, the diameter looks adaptation of spacing ring (10) internal diameter and butterfly plate (5), spacing ring (10) inner race still the symmetry is equipped with sealed pad (100), sealed pad (100) are circular-arcly.

4. The flange-type bidirectional metal hard seal butterfly valve of claim 1, wherein: the main shaft (50) and the butterfly plate (5) are of an integrally formed structure, the butterfly plate (5) is rotatably connected with the pipeline main body (1) through the main shaft (50), and the first tapered teeth (51) are welded and fixed with the main shaft (50).

5. The flange-type bidirectional metal hard seal butterfly valve of claim 1, wherein: the box body (2) is fixed with the pipeline main body (1) in a welding mode, and a top cover (4) is arranged above the box body (2).

6. The flange-type bidirectional metal hard seal butterfly valve of claim 5, wherein: the top cover (4) upper surface is close to the corner and has all seted up perforation (40), all be equipped with fastening bolt (41) in perforation (40), box (2) tip corresponds department of boring (40) and has seted up screw hole (20).

7. The flange-type bidirectional metal hard seal butterfly valve of claim 1, wherein: hand wheel (61) and bull stick (6) pass through screw fixed connection, second tapered tooth (60) and bull stick (6) welded fastening, second tapered tooth (60) and first tapered tooth (51) meshing, the cover is equipped with bearing (62) on bull stick (6), bearing (62) inner circle and bull stick (6) welded fastening, bearing (62) outer lane and box (2) bonding fixation.