Pneumatic O-shaped stop valve easy to install

Abstract

The utility model discloses a pneumatic O-shaped cut-off valve easy to install, which comprises two groups of connecting pipes, the outer surfaces of the two groups of connecting pipes are in threaded connection with movable cylinders, the front ends of the movable cylinders are fixedly provided with adjusting blocks, and the adjusting blocks are movably connected to the outer surfaces of the connecting pipes. According to the pneumatic O-shaped stop valve easy to install, the limiting block, the supporting frame and the spring are arranged, when the front end of a water pipe is pushed into the limiting ring, under limiting of the limiting block, the front end of the water pipe can be preliminarily fixed, the water pipe cannot shake or move, and follow-up fastening is facilitated; the limiting block can push the front end of the water pipe to be close to the front end of the connecting pipe by rotating the adjusting block, and then the water pipe and the connecting pipe are tightly fixed together under the clamping of the limiting block and the front end of the connecting pipe, so that the mounting work is quickly completed, the operation is simple and convenient, a plurality of groups of bolts do not need to be screwed for fastening, and the mounting efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body technical field, especially easy installation's pneumatic O type cut -off valve. BACKGROUND

[0002] Pneumatic O type cut -off valve is a kind of high -efficient fluid control equipment, is composed of pneumatic actuator and O type ball valve, it has simple structure, small volume, light weight, easy operation and other advantages, by controlling gas source pressure realizes the accurate opening and closing of valve, changes the flow of medium, the valve is widely used in the automatic regulation and remote control in the industrial production process of petroleum, chemical industry, water and electricity, light and so on, shows excellent fluid control performance and reliability;

[0003] The existing O type cut -off valve is usually connected by flange when being installed with water pipe, and multiple bolts are needed to be used in flange connection, which is time -consuming and labor -intensive, and the installation is more complex, so as to reduce the installation efficiency, and therefore, the utility model provides easy installation's pneumatic O type cut -off valve. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of easy installation's pneumatic O type cut -off valve, can effectively solve the problem in background art.

[0005] To achieve the above object, the technical scheme that the utility model takes is as follows:

[0006] An easy installation's pneumatic O type cut -off valve, including two groups of connecting pipes, the outer surface of two groups The outer surface of the connecting pipe is threadedly connected with movable cylinder, the front end of the movable cylinder is fixedly installed with adjusting block, and the adjusting block is movably connected to the outer surface of the connecting pipe, the inner wall of the adjusting block is fixedly installed with bearing, the inner wall of the bearing is fixedly installed with limit ring, and the limit ring is rotatably connected to the inner wall of the adjusting block, the inner wall of the limit ring is slidably connected with multiple limit blocks, the outer surface of the limit ring is fixedly installed with multiple support frames, the top wall of the support frame is fixedly installed with spring, and the tail end of the spring is fixedly connected to the tail end of the limit block, the inner wall of the limit ring is movably connected with water pipe.

[0007] Preferably, the limit block is slidably connected to the inner side wall of the support frame, and the outer surface of the front end of the water pipe is movably connected to the outer surface of the front end of the connecting pipe.

[0008] Preferably, the number of limit blocks is six groups, and the limit blocks are distributed in equidistant circumferences.

[0009] Preferably, the tail end of two The tail end of the connecting pipe is fixedly connected with valve body, and the top of the valve body is fixedly installed with control assembly.

[0010] Preferably, the inner wall of the tail end of the adjusting block is provided with a resting groove, and the support frame is movably connected to the inner wall of the resting groove.

[0011] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0012] In the utility model, when the front end of the water pipe is pushed into the limiting ring, the front end of the water pipe can be preliminarily fixed under the limiting of the limiting block, so that the water pipe cannot shake and displace, so as to facilitate subsequent fastening, through the setting of the movable cylinder, the bearing and the adjusting block, the front end of the water pipe is pushed to be close to the front end of the connecting pipe by rotating the adjusting block, and then the water pipe and the connecting pipe are tightly fixed together under the clamping of the limiting block and the front end of the connecting pipe, so that the installation work is quickly completed, the operation is simple and convenient, a plurality of bolts need not be screwed for fastening, and the installation efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model of an easy-to-install pneumatic O-shaped cut-off valve;

[0014] Figure 2 It is an internal structure sectional view of the adjusting block of the utility model of an easy-to-install pneumatic O-shaped cut-off valve;

[0015] Figure 3 It is a split view of the internal structure of the adjusting block of the utility model of an easy-to-install pneumatic O-shaped cut-off valve;

[0016] Figure 4 It is a limiting ring structure schematic view of the utility model of an easy-to-install pneumatic O-shaped cut-off valve.

[0017] In the drawing: 1, connecting pipe;2, movable cylinder;3, bearing;4, limiting ring;5, limiting block;6, support frame;7, spring;8, water pipe;9, valve body;10, control assembly;11, adjusting block;12, resting groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments. Embodiment one:

[0019] For example Figures 1-4As shown, an easy-to-install pneumatic O-shaped cut-off valve, comprising two sets of connecting pipes 1, the outer surface of the two sets of connecting pipes 1 is threadedly connected with a movable cylinder 2, the front end of the movable cylinder 2 is fixedly installed with an adjusting block 11, and the adjusting block 11 is movably connected to the outer surface of the connecting pipe 1, when the adjusting block 11 is rotated, the movable cylinder 2 will be rotated synchronously, and then under the action of the thread engagement, the movable cylinder 2 moves along the outer surface of the connecting pipe 1, the inner wall of the adjusting block 11 is fixedly installed with a bearing 3, the inner wall of the bearing 3 is fixedly installed with a limiting ring 4, and the limiting ring 4 is rotatably connected to the inner wall of the adjusting block 11, the limiting ring 4 is connected together with the adjusting block 11 through the bearing 3, when the adjusting block 11 rotates, the limiting ring 4 will not rotate, but when the adjusting block 11 moves, the limiting ring 4 will be moved synchronously, the inner wall of the limiting ring 4 is slidably connected with a plurality of limiting blocks 5, the front end of the limiting block 5 is beveled, the outer surface of the limiting ring 4 is fixedly installed with a plurality of support frames 6, the top wall of the support frame 6 is fixedly installed with a spring 7, and the tail end of the spring 7 is fixedly connected to the tail end of the limiting block 5, the inner wall of the limiting ring 4 movably connects a water pipe 8, the front end of the water pipe 8 is inserted into the adjusting block 11, when the front end of the water pipe 8 contacts with the limiting block 5, the limiting block 5 will be squeezed, and then under the limitation of the limiting ring 4 and the support frame 6, the several limiting blocks 5 move in a diverging trend, when the front end of the water pipe 8 separates from the bevel of the limiting block 5, the spring 7 will drive the limiting block 5 to rebound, and then the several limiting blocks 5 move in a converging manner, and then the front end of the water pipe 8 is limited in the limiting ring 4, thereby completing the preliminary fixing, then rotating the adjusting block 11, under the cooperation of the movable cylinder 2 and the connecting pipe 1, the adjusting block 11 moves along the outer surface of the connecting pipe 1, and then under the connection of the limiting ring 4, the several limiting blocks 5 are moved synchronously, when the limiting block 5 moves, the front end of the water pipe 8 is pushed to the front end of the connecting pipe 1, until the front end of the water pipe 8 is tightly attached to the connecting pipe 1, thereby achieving the purpose of tightly fixing the connecting pipe 1 and the water pipe 8 together, the operation is simple and convenient, and easy to install.

[0020] The limiting block 5 is slidably connected to the inner side wall of the support frame 6, and the outer surface of the front end of the water pipe 8 is movably connected to the outer surface of the front end of the connecting pipe 1; the number of limiting blocks 5 is six, and the limiting blocks 5 are equally circumferentially distributed, by setting six equally distributed limiting blocks 5, the squeezing force of the limiting block 5 on the water pipe 8 is more uniform, thereby increasing the stability of the connection between the water pipe 8 and the connecting pipe 1; the tail end of the two sets of connecting pipes 1 is fixedly connected with a valve body 9, and the top of the valve body 9 is fixedly installed with a control assembly 10; the inner wall of the tail end of the adjusting block 11 is provided with a resting groove 12, and the support frame 6 is movably connected to the inner wall of the resting groove 12.

[0021] It needs to be explained that the utility model discloses an easy-to-install pneumatic O-shaped cut-off valve, when using, the front end of water pipe 8 is aligned with the opening of adjusting block 11 and is pushed in, when the front end of water pipe 8 contacts the inclined surface of limiting block 5, limiting block 5 will be squeezed into support frame 6, until the front end of water pipe 8 is separated from the inclined surface of limiting block 5, and limiting block 5 is reset under the action of spring 7 of limiting block 5, thereby achieving the purpose of preliminarily fixing the front end of water pipe 8 in limiting ring 4, then hold valve body 9 and rotate adjusting block 11, under the cooperation of connecting pipe 1 and movable cylinder 2, limiting block 5 pushes the front end of water pipe 8 to be close to the front end of connecting pipe 1, until limiting block 5 and connecting pipe 1 tightly hold the front end of water pipe 8, thereby achieving the purpose of tightly fixing water pipe 8 and connecting pipe 1 together, simple and convenient operation, easy to install.

[0022] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An easily installed pneumatic O-type shut-off valve comprising two sets of connecting pipes (1), characterized in that: The outer surface of the connecting pipe (1) is threadedly connected with a movable cylinder (2), the front end of the movable cylinder (2) is fixedly installed with an adjusting block (11), the adjusting block (11) is movably connected to the outer surface of the connecting pipe (1), the inner wall of the adjusting block (11) is fixedly installed with a bearing (3), the inner wall of the bearing (3) is fixedly installed with a limiting ring (4), the limiting ring (4) is rotatably connected to the inner wall of the adjusting block (11), the inner wall of the limiting ring (4) is slidably connected with a plurality of limiting blocks (5), the outer surface of the limiting ring (4) is fixedly installed with a plurality of supporting frames (6), the top wall of the supporting frame (6) is fixedly installed with a spring (7), the tail end of the spring (7) is fixedly connected to the tail end of the limiting block (5), and the inner wall of the limiting ring (4) is movably connected with a water pipe (8).

2. An easily installed pneumatic O-type shut-off valve according to claim 1, characterized in that: The limiting block (5) is slidably connected to the inner side wall of the supporting frame (6), and the outer surface of the front end of the water pipe (8) is movably connected to the outer surface of the front end of the connecting pipe (1).

3. An easily installed pneumatic O-type shut off valve as claimed in claim 1 wherein: The number of the limiting block (5) is six, and the limiting block (5) is circumferentially distributed at equal intervals.

4. The easy-to-install pneumatic O-type shut-off valve according to claim 1, characterized in that: The tail end of the connecting pipe (1) is fixedly connected with a valve body (9), and the top of the valve body (9) is fixedly installed with a control assembly (10).

5. The easy-to-install pneumatic O-type shut-off valve according to claim 1, characterized in that: The inner wall of the tail end of the adjusting block (11) is provided with a resting groove (12), and the supporting frame (6) is movably connected to the inner wall of the resting groove (12).

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