CN217463287U - Bidirectional sealing gate valve - Google Patents

Abstract

The utility model discloses a two-way sealing gate valve, which comprises a valve body, wherein the lower part of the valve body is provided with a valve opening hole, a lifting plugboard is arranged in the valve body, the left side and the right side in the valve body are respectively provided with a chute matched with the plugboard, the chutes are internally matched with a sealing gasket, the side of the sealing gasket facing the valve opening hole is provided with a movable skirt curtain, the valve body on the front side and the rear side of the plugboard are also symmetrically provided with a plurality of S-shaped reeds, the S-shaped reeds tend to enable the movable skirt curtains on the front side and the rear side of the plugboard to be attached together, and the lower side of the plugboard is provided with a blade part; the utility model discloses the lift of operation picture peg and then when adjusting the aperture size of push-pull valve partial motion skirt curtain keep with the contact of picture peg, other activity skirt curtain closed under the effect of S-shaped reed, shelter from sealed inboard formation, avoid in the dust impurity that valve port department passes through gets into the spout in a large number to guarantee that the cooperation between picture peg and the sealed pad is tight, realize the two-way sealed reinforcing around the push-pull valve, avoid valve port department outwards to run the ash.

Description

Bidirectional sealing gate valve

Technical Field

The utility model relates to a push-pull valve field, concretely relates to two way seal push-pull valve.

Background

Iron and steel smelting enterprise is supporting to be built and is equipped with a large amount of SOx/NOx control equipment, is provided with a large amount of manual formula push-pull valves on the SOx/NOx control pipeline, discovers in daily production process that the push-pull valve often appears running ash, spouts the ash phenomenon, seriously influences the site environment, thinks through disassembling the research that the reason lies in that the picture peg that exposes in the picture port hole advances ash with the sliding fit position of valve body, leads to picture peg and valve body cooperation not tight in the time of the last time, so, needs one kind can effectively avoid the above-mentioned push-pull valve that exposes the position and advance ash.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a two-way sealing push-pull valve, it has effectively solved the problem that exists among the background art.

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

the utility model provides a two way seal push-pull valve, includes the valve body, the lower part of valve body has the mouth of a valve hole, and liftable in the valve body is provided with the picture peg, be provided with respectively on the left and right sides in the valve body with picture peg matched with spout, spout fit in is provided with sealed the pad, sealed pad is provided with movable skirt curtain on the side of mouth of a valve hole, and it is provided with a plurality of S-shaped reeds to go back the symmetry around the picture peg on the valve body of both sides, and vertical direction equipartition is downthehole at the mouth of a valve along a plurality of S-shaped reeds, the one end of S-shaped reed links firmly mutually with the valve body, the other end with movable skirt curtain contacts, the movable skirt curtain laminating of both sides is in the same place around the picture peg is trended to the S-shaped reed, the downside of picture peg has the cutting part.

Further, be provided with the hand wheel on the valve body, hand wheel coaxial coupling has the screw rod, set firmly on the picture peg with screw rod matched with nut.

Further, the movable skirt curtain is bonded or integrally arranged on the sealing gasket.

Further, the height of the movable skirt curtain is larger than that of the valve opening hole.

Furthermore, still be provided with respectively on sealed both sides around filling up and erect the groove, an organic whole be provided with on the picture peg with erect groove matched with and erect the muscle.

Furthermore, the front side and the rear side of the sealing gasket are at least respectively provided with two vertical grooves.

The utility model discloses following beneficial technological effect has:

the utility model provides a sealing pad is provided with movable skirt curtain, and the lift of operation picture peg and then partial movable skirt curtain when adjusting the aperture size of push-pull valve keeps with the contact of picture peg, other movable skirt curtain closed under the effect of S-shaped reed, shelters from sealing pad inboard formation, avoids in the dust impurity that valve port department passes through gets into the spout in a large number to guarantee that the cooperation between picture peg and the sealed pad is tight, realize the sealed reinforcing of two-way upwards around the push-pull valve, avoid valve port department outwards to run the ash.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a schematic view of the internal structure at the right view angle of the embodiment of the present invention;

fig. 3 is a schematic view of a fitting structure of the dive angle lower insert plate and the movable skirt curtain according to the embodiment of the present invention;

fig. 4 is a schematic view of a movable skirt curtain with the insert plate removed from the top view according to the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the two-way sealing gate valve described in this embodiment includes a valve body 1, a cross beam 2 is provided on the valve body 1, the cross beam 2 and the lower portion of the valve body 1 together define a gate hole 3, a gate 4 is provided in the valve body 1 in a liftable manner, specifically, a hand wheel 5 is provided on the valve body 1, the hand wheel 5 is coaxially connected with a screw 6, a nut 7 matched with the screw 6 is welded on the gate 4, the screw 6 is rotated by rotating the hand wheel 5 to drive the gate 4 to move up and down, the cross beam 2 is provided with a socket, the gate 4 can enter the gate hole 3 through the socket and close the gate hole 3, rubber gaskets matched with the front and rear sides of the gate 4 are provided on the inner side of the socket, chutes 8 matched with the gate 4 are respectively provided on the left and right sides in the valve body 1, sealing gaskets 9 are provided in the chutes 8 in a matching manner, movable skirting curtains 10 are provided on the side faces of the sealing gaskets 9 facing the gate hole 3, the height of the movable skirt curtain 10 is greater than that of the valve port hole 3, the upper edge of the preferable movable skirt curtain 10 is higher than that of the cross beam 2, the valve port hole 3 is prevented from being fully opened, namely the movable skirt curtain 10 is not matched with the valve port hole 3 when the plug plate 4 leaves the valve port hole 3, the movable skirt curtain 10 is bonded or integrally arranged on the sealing gasket 9, a plurality of S-shaped reeds 11 are symmetrically arranged on the valve body 1 at the front side and the rear side of the plug plate 4, the S-shaped reeds 11 are uniformly distributed in the valve port hole 3 along the vertical direction, the S-shaped reeds 11 at the front side and the rear side of the plug plate 4 correspond to each other one by one to form a plurality of pincerlike occlusion mechanisms, one end of each S-shaped reed 11 is fixedly connected with the valve body 1 through a screw, the other end is contacted with the movable skirt curtain 10, the S-shaped reeds 11 tend to stick the movable skirt curtains 11 on the front side and the rear side of the inserting plate 4 together, and the lower side of the inserting plate 4 is provided with a blade part which is convenient for pushing the movable skirt curtain 10 and the S-shaped reeds 11 when the inserting plate 4 moves downwards.

Still be provided with respectively on sealed both sides around 9 of filling up and erect groove 12, an organic whole is provided with on picture peg 4 and erects groove 12 matched with perpendicular muscle 13, erects muscle 13 and erects the groove 12 and cooperate, further avoids the dust to corrode and gets into between picture peg 4 and the sealed pad 9, is provided with twice perpendicular groove 12 respectively at least on sealed both sides around 9.

The working principle of the embodiment is as follows:

when the opening of the inserting plate valve is increased, the inserting plate 4 moves upwards, and after the lower edge of the inserting plate 4 is higher than a group of corresponding S-shaped reeds 11, the group of S-shaped reeds 11 drives the movable skirt curtain 10 to close and shield the sealing gasket 9 which is not matched with the inserting plate 4 any more, so that the phenomenon that a large amount of dust enters the sealing gasket 9 and then influences the subsequent entering of the inserting plate 4 and the matching sealing performance of the sealing gasket 9 and the inserting plate 4 is avoided; when the opening of the valve of the inserting plate is adjusted to be small, the inserting plate 4 falls down, the blade part on the lower side of the inserting plate 4 jacks the movable skirt curtain 10 and the S-shaped reed 11 on the lower side, the inserting plate 4 is contacted with the sealing gasket 9 on the lower side again, the movable skirt curtain 10 is tightly attached to the front side and the rear side of the inserting plate 4 under the action of the S-shaped reed 11, and dust can be further prevented from entering between the inserting plate 4 and the sealing gasket 9.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. The utility model provides a two way seal push-pull valve, includes the valve body, the lower part of valve body has the valve port hole, and liftable is provided with the picture peg in the valve body, its characterized in that, be provided with respectively on the left and right sides in the valve body with picture peg matched with spout, spout fit in is provided with sealed the pad, sealed pad is provided with movable skirt curtain on the side of valve port hole, and it is provided with a plurality of S-shaped reeds to go back the symmetry around the picture peg on the valve body of both sides, and a plurality of S-shaped reeds are downthehole at the valve port along vertical direction equipartition, the one end of S-shaped reed links firmly mutually with the valve body, the other end with movable skirt curtain contacts, the movable skirt curtain laminating of both sides is in the same place around the picture peg is trended to the S-shaped reed, the downside of picture peg has the cutting part.

2. The bidirectional sealing gate valve according to claim 1, wherein a hand wheel is arranged on the valve body, the hand wheel is coaxially connected with a screw rod, and a nut matched with the screw rod is fixedly arranged on the gate.

3. A bi-directional sealing gate valve as set forth in claim 1 wherein said skirt curtain is bonded or integrally formed to said gasket.

4. A bi-directional sealing gate valve as set forth in claim 3 wherein said movable skirt curtain is of a height greater than the height of said valve port opening.

5. A bidirectional sealing gate valve as defined in any one of claims 1, 3 and 4, wherein vertical grooves are respectively formed on the front and rear sides of the sealing gasket, and vertical ribs matched with the vertical grooves are integrally formed on the gate.

6. A bi-directional sealing gate valve as set forth in claim 5 wherein said gasket is provided with at least two vertical grooves on each of the front and rear sides thereof.

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