CN212899809U - Adjustable soft seal gate valve - Google Patents

Abstract

The utility model discloses a soft sealing gate valve with adjustable, it includes the valve casing, an organic whole is provided with the water service pipe that left and right symmetry set up on the valve casing, and the top an organic whole of valve casing is provided with vertical connecting pipe with the valve casing intercommunication, the upper end of connecting pipe can be dismantled and be fixed with the valve gap, and rotate on the valve gap and install vertical screw rod, the upper end of screw rod is connected with operating device, and the lower terminal screw thread of screw rod has cup jointed coupling nut, but is fixed with vertical removal's valve plate on the coupling nut, and the bottom of valve plate is fixed with the rubber gasket. The utility model discloses not only can be used for blocking rivers, and still possess good sealed effect, can take the telescopic link out from the connecting rod that corresponds through the pull piece simultaneously to can adjust the size of the arm of force when needing, make can rotate connecting block and threaded valve rod more easily when rotating the pull piece through the manpower, and then more laborsaving during making switch valve.

Description

Adjustable soft seal gate valve

Technical Field

The utility model relates to a valve field especially relates to a soft sealing gate valve with adjustable.

Background

In the control of fluid pipelines, gate valves are used to achieve fluid interception and control. The gate valves on the market are various in types and mainly divided into hard seal gate valves and soft seal gate valves, wherein the soft seal gate valves are simple in structure and convenient to operate, and therefore the soft seal gate valves are widely applied. However, the sealing performance of the existing soft sealing gate valve is not ideal enough, and along with the increasing of the opening and closing times of the gate valve, the later operation of the hand wheel drives the valve rod to rotate, so that the valve rod is very inconvenient to rotate, the use effect is not good enough, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable soft sealing gate valve.

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

the utility model provides a soft sealing gate valve with adjustable, includes the valve casing, an organic whole is provided with the water service pipe that left and right symmetry set up on the valve casing, and the top an organic whole of valve casing is provided with vertical and the connecting pipe of valve casing intercommunication, the upper end of connecting pipe can be dismantled and be fixed with the valve gap, rotates on the valve gap and installs vertical screw valve rod, the upper end of screw valve rod is connected with operating device, and the lower extreme screw thread of screw valve rod has cup jointed coupling nut, but is fixed with vertical removal's valve plate on the coupling nut, and the bottom of valve plate is fixed with the rubber gasket, the valve plate suit is on the screw valve rod, and the both sides of valve plate upper end all are fixed with the briquetting, and the below of going up the briquetting is pressed and is put.

Preferably, operating device is including being fixed in the connecting block of screw valve rod upper end, and the outside cover of connecting block is equipped with the operating ring, is fixed with a plurality of connecting rods that set up along circumference between operating ring and the connecting block, one of them the connecting rod internalization is pegged graft and is had the telescopic link, and the one end of telescopic link is fixed with the stopper of sliding fit in the connecting rod, and the other end of telescopic link runs through the operating ring and is fixed with the pull piece.

Preferably, the connecting rod is in threaded connection with a locking screw, and the end part of the locking screw is pressed on the telescopic rod.

Preferably, the cross sections of the upper pressing block and the lower pressing block are triangular, the side, in contact with each other, of the upper pressing block and the lower pressing block is an inclined plane, and the rubber sealing layer is fixed on the side, in contact with each other, of the upper pressing block and the lower pressing block.

Preferably, the bottom of the lower pressing block is provided with a clamping groove matched with the sealing strip, and the cross section of the sealing strip is L-shaped.

Preferably, the one end that the water service pipe kept away from the valve casing is integrative to be provided with flange, and is provided with the connecting hole on the flange.

The utility model discloses an operating ring, the connecting block, the threaded valve rod, coupling nut, the valve plate, go up the briquetting, the valve casing, the setting of briquetting and sealing strip down, not only can be used for blocking rivers, and still possess good sealed effect, can take the telescopic link out from the connecting rod that corresponds through the pull-out pull piece simultaneously, thereby can adjust the size of the arm of force when needing, make can rotate connecting block and threaded valve rod more easily when rotating the pull-out piece through the manpower, and then more laborsaving during making switching valve, whole valve simple structure, the cost of manufacture is low, excellent in use effect, use in a flexible way.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic bottom view of the operation ring of the present invention.

Reference numbers in the figures: the device comprises a valve shell 1, a water service pipe 2, a connecting flange 3, a connecting pipe 4, a valve cover 5, a threaded valve rod 6, a connecting nut 7, a valve plate 8, an upper pressing block 9, a lower pressing block 10, a sealing strip 11, a connecting block 12, a connecting rod 13, an operating ring 14, an expansion link 15, a drawing block 16 and a locking screw 17.

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.

Referring to fig. 1-2, a soft sealing gate valve with adjustable, including valve casing 1, an organic whole is provided with a left side on the valve casing 1, the water service pipe 2 that the right side symmetry set up, an organic whole of top of valve casing 1 is provided with vertical connecting pipe 4 with 1 intercommunication of valve casing, the upper end of connecting pipe 4 can be dismantled and is fixed with valve gap 5, rotate on the valve gap 5 and install vertical screw rod 6, the upper end of screw rod 6 is connected with operating device, and screw rod 6's lower extreme screw thread has cup jointed coupling nut 7, be fixed with vertically movable valve plate 8 on the coupling nut 7, the bottom of valve plate 8 is fixed with the rubber gasket, 8 suit of valve plate are on screw rod 6, and the both sides of 8 upper ends of valve plate all are fixed with briquetting 9, the below of last briquetting 9 is pressed and is put the lower briquetting 10 that is fixed in 1, the both sides.

In this embodiment, operating device is including being fixed in connecting block 12 of 6 upper ends of screw valve rods, the outside cover of connecting block 12 is equipped with operating ring 14, be fixed with a plurality of connecting rods 13 that set up along circumference between operating ring 14 and the connecting block 12, one of them connecting rod 13 internalization is pegged graft and is had telescopic link 15, the one end of telescopic link 15 is fixed with the stopper of sliding fit in connecting rod 13, the other end of telescopic link 15 runs through operating ring 14 and is fixed with pull piece 16, threaded connection has locking screw 17 on connecting rod 13, locking screw 17's tip is pressed and is arranged in on telescopic link 15.

In this embodiment, the cross sections of the upper pressing block 9 and the lower pressing block 10 are all triangular, one side of the upper pressing block 9, where the lower pressing block 10 contacts each other, is an inclined surface, one side of the upper pressing block 9, where the lower pressing block 10 contacts each other, is fixed with a rubber sealing layer, the bottom of the lower pressing block 10 is provided with a clamping groove matched with the sealing strip 11, the cross section of the sealing strip 11 is L-shaped, one end of the water pipe 2, which is away from the valve casing 1, is integrally provided with the connecting flange 3, and the connecting flange 3 is provided with a connecting hole.

The working principle is as follows: when the utility model is used, the connecting block 12 and the threaded valve rod 6 can be rotated by the manual rotation of the operating ring 14, the connecting nut 7, the valve plate 8 and the upper pressing block 9 which are arranged integrally move up and down under the action of the thread, when the valve plate 8 is arranged to seal the valve casing 1 and block water flow, the upper pressing block 9 and the lower pressing block 10 which are arranged in the process are pressed and sealed, and further water leakage is avoided, when the connecting nut 7, the valve plate 8 and the upper pressing block 9 are integrally moved up, the arranged sealing strip 11 is clamped into the clamping groove at the bottom of the lower pressing block 10 and further can be sealed, in addition, the telescopic rod 15 can be drawn out from the corresponding connecting rod 13 by the drawing and pulling block 16, thereby the size of the telescopic rod can be adjusted when needed, the connecting block 12 and the threaded valve rod 6 can be more easily rotated by the manual rotation of the drawing block 16, and further the valve is more labor-saving when, the whole valve has the advantages of simple structure, low manufacturing cost, good use effect and flexible use.

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 two or more unless specifically limited otherwise.

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 (6)

1. An adjustable soft seal gate valve comprises a valve shell (1) and is characterized in that a left water service pipe (2) and a right water service pipe which are symmetrically arranged are integrally arranged on the valve shell (1), a vertical connecting pipe (4) communicated with the valve shell (1) is integrally arranged at the top of the valve shell (1), a valve cover (5) can be detachably fixed at the upper end of the connecting pipe (4), a vertical threaded valve rod (6) is rotatably installed on the valve cover (5), an operating mechanism is connected at the upper end of the threaded valve rod (6), a connecting nut (7) is sleeved at the lower end of the threaded valve rod (6), a valve plate (8) capable of vertically moving is fixed on the connecting nut (7), a rubber sealing piece is fixed at the bottom of the valve plate (8), the valve plate (8) is sleeved on the threaded valve rod (6), and upper pressing blocks (9) are fixed on two sides of the upper end of the, a lower pressing block (10) fixed in the valve shell (1) is pressed below the upper pressing block (9), and sealing strips (11) are fixed on two sides of the lower end of the valve plate (8).

2. The adjustable soft sealing gate valve of claim 1, wherein the operating mechanism comprises a connecting block (12) fixed at the upper end of the threaded valve rod (6), an operating ring (14) is sleeved outside the connecting block (12), a plurality of connecting rods (13) arranged along the circumferential direction are fixed between the operating ring (14) and the connecting block (12), an expansion link (15) is movably inserted in one of the connecting rods (13), a limiting block in sliding fit with the connecting rod (13) is fixed at one end of the expansion link (15), and a pulling block (16) is fixed at the other end of the expansion link (15) and penetrates through the operating ring (14).

3. An adjustable soft sealing gate valve according to claim 2, characterized in that the connecting rod (13) is connected with a locking screw (17) in a threaded manner, and the end of the locking screw (17) is pressed on the telescopic rod (15).

4. The adjustable soft seal gate valve of claim 1, characterized in that the cross-sectional shapes of the upper pressing block (9) and the lower pressing block (10) are all triangular, the side of the upper pressing block (9) and the lower pressing block (10) contacting each other is an inclined surface, and the side of the upper pressing block (9) and the lower pressing block (10) contacting each other is fixed with a rubber sealing layer.

5. The adjustable soft seal gate valve according to claim 1, characterized in that the bottom of the lower pressing block (10) is provided with a clamping groove matched with the sealing strip (11), and the cross section of the sealing strip (11) is L-shaped.

6. An adjustable soft sealing gate valve according to claim 1, characterized in that the end of the water pipe (2) far away from the valve casing (1) is integrally provided with a connecting flange (3), and the connecting flange (3) is provided with a connecting hole.

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