CN210890163U

CN210890163U - Half lining butt-clamping butterfly valve

Info

Publication number: CN210890163U
Application number: CN201922015922.0U
Authority: CN
Inventors: 郝艳辉
Original assignee: Tianjin Wades Valve Co ltd
Current assignee: Tianjin Wades Valve Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-30
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a half lining butt clamp butterfly valve, including valve body and valve plate, the valve plate is equipped with block mechanism on the surface, be equipped with the plectane on the valve plate, fixedly connected with fixture block on the plectane, the fixture block uses with the cooperation of block mechanism, the cover is equipped with the rubber circle on the plectane, be equipped with the ring channel on the plectane, circle the interior annular bulge that is equipped with of circle of rubber circle, the utility model discloses compare traditional butt clamp butterfly valve, through having adopted block mechanism, can be convenient dismantle and change the plectane, the effectual life who improves the butterfly valve, the utility model discloses compare traditional butt clamp butterfly valve, through having adopted ring channel and annular bulge structure, can pull down the plectane back, directly shift out the rubber circle from the ring channel, insert the ring channel and block new rubber circle through the annular bulge in.

Description

Half lining butt-clamping butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to half lining butt clamp butterfly valve.

Background

The butterfly plate of the wafer butterfly valve is installed in the diameter direction of a pipeline, in a cylindrical channel of a butterfly valve body, the disc butterfly plate rotates around an axis, the rotation angle is 0-90 degrees, the flow adjusting effect can be achieved, the wafer butterfly valve is simple in structure, small in size and light in weight, the wafer butterfly valve only comprises a few parts, operation is simple, meanwhile, the valve has good fluid control characteristics, the traditional wafer butterfly valve is provided with an annular rubber ring at the valve position to achieve a sealing effect, the rubber ring is prone to aging when encountering corrosive liquid, and after the rubber ring is damaged, the rubber ring on the traditional wafer butterfly valve is not prone to replacement and is not beneficial to long-term use of the butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the rubber ring on the traditional opposite clamping butterfly valve is difficult to change after damaging among the prior art, and the half lining opposite clamping butterfly valve that proposes.

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

half lining butt clamp butterfly valve, including valve body and valve plate, be equipped with block mechanism on the valve plate surface, be equipped with the plectane on the valve plate, fixedly connected with fixture block on the plectane, the fixture block uses with block mechanism cooperation, the cover is equipped with the rubber circle on the plectane, be equipped with the ring channel on the plectane, it is protruding to circle to be equipped with the annular in the rubber circle.

Preferably, block mechanism includes a plurality of bail, a plurality of spring, a plurality of card ball and a plurality of draw-in groove, the valve plate surface is located to the draw-in groove symmetry, and every draw-in groove both sides all symmetry is provided with the bail, spring fixed connection is between bail and card ball.

Preferably, the size of the clamping groove is slightly larger than that of the clamping block, and the depth of the clamping groove is equal to the length of the clamping block.

Preferably, the tail end of the annular protrusion is provided with a spherical rubber protrusion, and the tail end of the annular groove is attached to the spherical rubber protrusion.

Preferably, the outer ring part of the rubber ring is in accordance with the size and shape of the valve plate.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses compare traditional butt clamp butterfly valve, through having adopted block mechanism, can be convenient dismantle and change the plectane, the effectual life who improves the butterfly valve.

2. The utility model discloses compare traditional butt clamp butterfly valve, through having adopted ring channel and the protruding structure of annular, can directly shift out the rubber circle from the ring channel after pulling down the plectane, pass through the annular arch with new rubber circle and insert in the ring channel and block, it is very convenient.

Drawings

Fig. 1 is a schematic structural view of a half-lining butt-clamping butterfly valve provided by the present invention;

fig. 2 is an enlarged schematic structural view of a portion a of a half-lining butt-clamping butterfly valve provided by the present invention;

fig. 3 is a front schematic view of the circular plate and the rubber ring of the half-lining opposite-clamping butterfly valve provided by the utility model.

In the figure: 1 valve body, 2 valve plates, 3 clamping mechanisms, 4 clamping nails, 5 springs, 6 clamping balls, 7 round plates, 8 rubber rings, 9 clamping blocks, 10 annular protrusions, 11 clamping grooves and 12 annular grooves.

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, the half lining butt clamp butterfly valve comprises a valve body 1 and a valve plate 2, wherein a clamping mechanism 3 is arranged on the surface of the valve plate 2, and the clamping mechanism 3 comprises a plurality of clamping nails 4, a plurality of springs 5, a plurality of clamping balls 6 and a plurality of clamping grooves 11.

Further, the size of the clamping groove 11 is slightly larger than that of the clamping block 9, the depth of the clamping groove 11 is equal to the length of the clamping block 9, the circular plate 7 can be attached to the valve plate 2 after the clamping block 9 is inserted into the clamping groove 11, the clamping grooves 11 are symmetrically arranged on the surface of the valve plate 2, clamping nails 4 are symmetrically arranged on two sides of each clamping groove 11, and the spring 5 is fixedly connected between the clamping nails 4 and the clamping balls 6.

Further, a circular plate 7 is arranged on the valve plate 2, a clamping block 9 is fixedly connected to the circular plate 7, the clamping block 9 is matched with the clamping mechanism 3 for use, two conical grooves are symmetrically formed in the clamping block 9 and matched with the clamping balls 6 for use, and after the clamping block 8 is inserted into the clamping groove 11, the clamping balls 6 are pushed into the conical grooves by the springs 5.

Further, the circular plate 7 is sleeved with a rubber ring 8, the circular plate 7 is provided with an annular groove 12, an annular protrusion 10 is arranged on the inner ring of the rubber ring 8, the tail end of the annular protrusion 10 is provided with a spherical rubber protrusion, the tail end of the annular groove 12 is attached to the spherical rubber protrusion, so that the rubber ring 8 is tightly connected with the circular plate 7, the outer ring part of the rubber ring 8 is consistent with the valve plate 2 in size and shape, and the rubber ring 8 is tightly attached to the valve body 1.

The utility model discloses during the use, in advancing 7 ring channels 12 of plectane with rubber circle 8 through the protruding 10 card of annular, inject draw-in groove 11 with the fixture block 9 of plectane 7 in, extrude card ball 6 and spring 5, inject draw-in groove 11 completely when fixture block 9 in, the circular conical groove on the fixture block 9 is advanced to card ball 6 card, fixes whole plectane 7 and rubber circle 8, when needs are dismantled, hard with the plectane 7 directly follow draw-in groove 11 in extract can.

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. Half lining butt clamp butterfly valve, including valve body (1) and valve plate (2), its characterized in that, valve plate (2) are equipped with block mechanism (3) on the surface, be equipped with plectane (7) on valve plate (2), fixedly connected with fixture block (9) on plectane (7), fixture block (9) and block mechanism (3) cooperation use, the cover is equipped with rubber circle (8) on plectane (7), be equipped with ring channel (12) on plectane (7), it is protruding (10) to circle rubber circle (8).

2. The half-lining butt-clamping butterfly valve according to claim 1, wherein the clamping mechanism (3) comprises a plurality of clamping nails (4), a plurality of springs (5), a plurality of clamping balls (6) and a plurality of clamping grooves (11), the clamping grooves (11) are symmetrically arranged on the surface of the valve plate (2), the clamping nails (4) are symmetrically arranged on two sides of each clamping groove (11), and the springs (5) are fixedly connected between the clamping nails (4) and the clamping balls (6).

3. The butterfly valve with half-lining and double-clamping according to claim 2, wherein the size of the clamping groove (11) is slightly larger than that of the clamping block (9), and the depth of the clamping groove (11) is equal to the length of the clamping block (9).

4. The half-lining butt-clamping butterfly valve according to claim 3, characterized in that two conical grooves are symmetrically arranged on the clamping block (9), and the conical grooves are matched with the clamping ball (6) for use.

5. A half-lining butt-clamping butterfly valve according to claim 1, characterised in that the end of said annular projection (10) is provided with a spherical rubber projection, and the end of said annular groove (12) is fitted with a spherical rubber projection.

6. A half-lining butt-clamping butterfly valve according to claim 1, characterised in that the outer ring portion of the rubber ring (8) conforms to the size and shape of the valve plate (2).