CN212899796U - Soft sealing gate valve convenient to installation - Google Patents

Abstract

The utility model discloses a soft sealing gate valve convenient to installation, it includes the casing, an organic whole is provided with two connecting pipes that left and right symmetry set up on the casing, installs coupling mechanism on the connecting pipe, a top an organic whole of casing is provided with the vertical installation pipe with the casing intercommunication, and can dismantle the upper end of installation pipe and be fixed with the valve gap, rotate on the valve gap and install vertical screw thread valve rod, the upper end of screw thread valve rod is fixed with the hand wheel that is located the valve gap top, and the lower extreme threaded connection of screw thread valve rod has valve rod nut, the last valve plate that is fixed with the liftable that sliding fit in the installation pipe of valve rod nut not only can possess the effect of valve, and when the installation. The utility model discloses can adjust the distance between flange and the casing as required, and then conveniently be connected with the pipeline for simple to operate, thereby can make under some installation environment not need the cutting to destroy the pipeline during installation, excellent in use effect uses in a flexible way.

Description

Soft sealing gate valve convenient to installation

Technical Field

The utility model relates to a valve field especially relates to a soft sealing gate valve convenient to installation.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. Soft seal gate valve is present more common valve, however, the distance between the flange that is used for being connected with the pipeline on the current gate valve and the valve body is fixed, when to some pipeline installation valves that have been fixed, need install again after cutting the pipeline to the pipeline of overlength, and to the pipeline of short again need install again after lengthening the pipeline for the installation is very troublesome, for this reason, needs the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a soft sealing gate valve convenient to install.

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

the utility model provides a soft sealing gate valve convenient to installation, includes the casing, an organic whole is provided with two connecting pipes that left and right symmetry set up on the casing, installs coupling mechanism on the connecting pipe, the top an organic whole of casing be provided with the vertical installation pipe of casing intercommunication, and the upper end of installation pipe can be dismantled and be fixed with the valve gap, rotate on the valve gap and install vertical screw rod, the upper end of screw rod is fixed with the hand wheel that is located the valve gap top, and the lower extreme threaded connection of screw rod has valve rod nut, be fixed with the valve plate of the liftable that sliding fit is in the installation pipe on the valve rod nut, the both sides pressure equalizing of valve plate is put and is fixed in the sealing ring in the casing, and the fixed.

Preferably, the connecting mechanism comprises a telescopic pipe movably inserted in the connecting pipe, the telescopic pipe is communicated with the connecting pipe, a piston slidably sealed in the connecting pipe is fixedly installed at one end, located in the connecting pipe, of the telescopic pipe, a plurality of first rubber sealing rings are fixedly sleeved on the outer side of the piston, a connecting flange is fixed at one end, far away from the piston, of the telescopic pipe, a plurality of locking screws are connected to the connecting pipe in a threaded mode, and one ends of the locking screws are pressed on the outer side of the telescopic pipe.

Preferably, the telescopic pipe is provided with a mounting hole matched with the threaded valve rod, the threaded valve rod is rotatably mounted in the mounting hole, and a second rubber sealing ring sleeved on the threaded valve rod is arranged in the mounting hole.

Preferably, the side that sealing ring and valve plate are close to each other is the slope setting, and the cross sectional shape of sealing ring is triangle-shaped, and the inboard and the valve plate size of installation pipe match.

Preferably, the valve plate is provided with a jack matched with the threaded valve rod, and the size of the lower end of the valve plate is smaller than that of the upper end of the valve plate.

Preferably, the upper end of the valve stem nut is provided with a flange, and the flange and the valve plate are fixedly connected through screws.

The utility model discloses a setting of hand wheel, threaded valve rod, valve-stem nut, valve plate, casing, rubber seal layer, sealing ring, locking screw, flange, flexible pipe and connecting pipe not only can possess the effect of valve, and when the installation, can adjust the distance between flange and the casing as required, and then conveniently be connected with the pipeline for simple to operate, thereby can not need the cutting to destroy the pipeline when making the installation under some installation environment, excellent in use effect uses in a flexible way.

Drawings

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

Fig. 2 is the schematic view of the valve-stem nut connection of the present invention.

Reference numbers in the figures: the sealing device comprises a shell 1, a connecting pipe 2, a telescopic pipe 3, a piston 4, a first rubber sealing ring 5, a locking screw 6, a connecting flange 7, an installation pipe 8, a sealing ring 9, a valve cover 10, a threaded valve rod 11, a valve rod nut 12, a valve plate 13, a rubber sealing layer 14, a hand wheel 15 and a second rubber sealing ring 16.

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 convenient to installation, including casing 1, an organic whole is provided with two connecting pipes 2 that left and right symmetry set up on casing 1, install coupling mechanism on connecting pipe 2, a top an organic whole of casing 1 is provided with the vertical installation pipe 8 with casing 1 intercommunication, and the upper end of installation pipe 8 can be dismantled and be fixed with valve gap 10, vertical screw rod 11 is installed in the rotation on the valve gap 10, the upper end of screw rod 11 is fixed with the hand wheel 15 that is located valve gap 10 top, the lower extreme threaded connection of screw rod 11 has valve rod nut 12, be fixed with the valve plate 13 of the liftable in the installation pipe 8 on the valve rod nut 12, the both sides pressure-sharing of valve plate 13 is put and is fixed in the sealing ring 9 in casing 1, and the fixed cladding in the outside of valve plate 13 has.

In this embodiment, coupling mechanism is including the flexible pipe 3 of activity grafting in connecting pipe 2, flexible pipe 3 communicates with connecting pipe 2, the fixed cover of one end that flexible pipe 3 is located connecting pipe 2 is equipped with sliding seal in the piston 4 of connecting pipe 2, and the fixed cover in the outside of piston 4 is equipped with a plurality of first rubber seal 5, the one end that piston 4 was kept away from to flexible pipe 3 is fixed with flange 7, threaded connection has a plurality of locking screw 6 on connecting pipe 2, the outside of flexible pipe 3 is placed in to the one end pressure of locking screw 6, be provided with the mounting hole that matches with screw valve rod 11 on the flexible pipe 3, and screw valve rod 11 rotates and installs in the mounting hole, and be provided with the second rubber seal 16 of suit on screw valve rod 11 in the mounting hole.

In this embodiment, the side that sealing ring 9 and valve plate 13 are close to each other is the slope setting, and the cross sectional shape of sealing ring 9 is triangle-shaped, and the inboard and valve plate 13 size of installation pipe 8 matches, is provided with the jack that matches with screw valve rod 11 on the valve plate 13, and the lower extreme size of valve plate 13 is less than the upper end size of valve plate 13, and the upper end of valve rod nut 12 has the flange, and flange and valve plate 13 pass through screw fixed connection.

The working principle is as follows: when the utility model is used, the hand wheel 15 arranged by manpower can be rotated to rotate the threaded valve rod 11, and then the valve rod nut 12 and the valve plate 13 are integrally moved up and down under the action of the threads, when the valve plate 13 moves down, the arranged valve plate 13 seals the shell 1, so that the valve is closed, at the moment, the sealing can be realized through the rubber sealing layer 14 and the sealing ring 9, and when the valve plate 13 moves up, the shell 1 is opened to lead water, when the valve is installed, the locking screw 6 can be unscrewed to pull the arranged connecting flange 7, and then the extension tube 3 can be pulled out for a certain distance from the connecting tube 2, so that the distance between the connecting flange 7 and the pipeline to be accessed can be adjusted, the pipeline can be conveniently connected, the installation is convenient, after the adjustment is finished, the length can be locked through screwing the locking screw 6, the whole valve has simple structure and low manufacturing cost, and not only has, the pipeline cutting device can be conveniently connected with a pipeline for installation, the pipeline does not need to be cut and damaged during installation in some installation environments, the use effect is good, and the use is flexible.

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. A soft seal gate valve convenient to install comprises a shell (1) and is characterized in that two connecting pipes (2) which are symmetrically arranged on the left and the right are integrally arranged on the shell (1), a connecting mechanism is arranged on each connecting pipe (2), a vertical installation pipe (8) communicated with the shell (1) is integrally arranged at the top of the shell (1), a valve cover (10) is detachably fixed at the upper end of each installation pipe (8), a vertical threaded valve rod (11) is rotatably installed on each valve cover (10), a hand wheel (15) positioned above each valve cover (10) is fixed at the upper end of each threaded valve rod (11), a valve rod nut (12) is connected at the lower end of each threaded valve rod (11) in a threaded mode, a liftable valve plate (13) which is matched with the installation pipe (8) in a sliding mode is fixed on each valve rod nut (12), sealing rings (9) fixed in the shell (1) are arranged on the two sides of each valve plate, and the outer side of the valve plate (13) is fixedly coated with a rubber sealing layer (14).

2. The soft sealing gate valve convenient to install according to claim 1, wherein the connecting mechanism comprises a telescopic pipe (3) movably inserted into the connecting pipe (2), the telescopic pipe (3) is communicated with the connecting pipe (2), a piston (4) slidably sealed in the connecting pipe (2) is fixedly sleeved at one end of the telescopic pipe (3) located in the connecting pipe (2), a plurality of first rubber sealing rings (5) are fixedly sleeved outside the piston (4), a connecting flange (7) is fixed at one end of the telescopic pipe (3) far away from the piston (4), a plurality of locking screws (6) are connected to the connecting pipe (2) in a threaded manner, and one end of each locking screw (6) is pressed outside the telescopic pipe (3).

3. The soft seal gate valve convenient to install according to claim 2, characterized in that the telescopic pipe (3) is provided with a mounting hole matched with the threaded valve rod (11), the threaded valve rod (11) is rotatably installed in the mounting hole, and a second rubber seal ring (16) sleeved on the threaded valve rod (11) is arranged in the mounting hole.

4. The soft seal gate valve convenient to install according to claim 1, characterized in that the side where the sealing ring (9) and the valve plate (13) are close to each other is obliquely arranged, the cross section of the sealing ring (9) is triangular, and the inner side of the installation pipe (8) is matched with the size of the valve plate (13).

5. An easy-to-install soft seal gate valve as claimed in claim 1, wherein the valve plate (13) is provided with a jack matched with the threaded valve rod (11), and the size of the lower end of the valve plate (13) is smaller than that of the upper end of the valve plate (13).

6. An easy-to-install soft seal gate valve as claimed in claim 1, wherein the upper end of the stem nut (12) is provided with a flange, and the flange and the valve plate (13) are fixedly connected by a screw.

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