Stop valve convenient to install and connect

Abstract

The utility model relates to the field of stop valves, in particular to a stop valve convenient to install and connect, which comprises a connecting pipe, a valve pipe and a valve sleeve, the connecting pipe comprises an inserting pipe and a splicing pipe, the splicing pipe is positioned at the end of the inserting pipe, the valve pipe is provided with a valve sleeve cavity, two sides of the valve pipe are provided with inserting ports, the inserting ports are in sliding connection with the splicing pipe, and the top of the valve pipe is provided with a first sealing flange. In the installation process, the two connecting pipes can be sleeved on a pipeline used for installing the stop valve in advance respectively, then the fixing bolts penetrate through the first sealing flange to be fixedly connected with the splicing pipe, and then the sleeve pipe on the valve sleeve is inserted into the valve pipe to be attached to the inner wall of the valve pipe and the inner wall of the splicing pipe. The adjusting rod is rotationally connected with the second sealing flange through the sealing bearing, the second sealing flange is fixedly connected with the first sealing flange through the installation bolt, according to the structure, the device can be rapidly installed, the sealing performance after installation is guaranteed, and meanwhile, the device is convenient to disassemble, assemble and overhaul after the interior of the device is blocked.

Description

Technical Field

[0001] The utility model relates to the field of stop valves, in particular to a stop valve which is easy to install and connect. Background Art

[0002] The stop valve, also known as the gate valve, is a forced sealing valve. Therefore, when the valve is closed, pressure must be applied to the valve disc to force the sealing surface to prevent leakage. It is one of the most widely used valves. Due to the small friction between the sealing surfaces during opening and closing, it is relatively durable, has a small opening height, is easy to manufacture, and is convenient to maintain. It is not only suitable for medium and low pressures, but also for high pressures. However, the existing stop valves are usually limited by the installation space when they are installed and fixed, which makes the installation very inconvenient and the stop valve cannot be connected and installed quickly and firmly. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a stop valve which is easy to install and connect.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model is a stop valve that is easy to install and connect, comprising a connecting pipe, a valve pipe and a valve sleeve, the connecting pipe comprising a plug pipe and a splicing pipe, the splicing pipe is located at the end of the plug pipe, the valve pipe is provided with a valve sleeve cavity, the two sides of the valve pipe are provided with sockets, the sockets are slidably connected with the splicing pipe, the top of the valve pipe is provided with a sealing flange 1, the sealing flange 1 is provided with a fixing bolt, the fixing bolt passes through the sealing flange 1 and is connected with the splicing pipe, the valve sleeve is provided with a sealing flange 2, the sealing flange 2 is spliced ​​with the sealing flange 1, and the sealing flange 2 is connected to the sealing flange 1 by installing bolts.

[0007] Preferably, the valve sleeve includes an adjusting rod and a sleeve, the sleeve is installed at the bottom of the adjusting rod, the sleeve is fitted with the inner wall of the spliced ​​tube and the valve tube, and the adjusting rod is rotatably connected to the sealing flange 2 through a sealing bearing.

[0008] Further preferably, an adjusting handle is provided at the top of the adjusting rod, a convex ring is provided at the bottom of the adjusting handle, a limiting ring is provided at the top of the sealing flange 2, a fixing ring is provided on the convex ring, and the fixing ring is connected to the convex ring and the limiting ring through a threaded structure.

[0009] Again preferably, the sleeve is a cylindrical structure, and a cavity passes through the sleeve.

[0010] Preferably, the side of the adjustment handle is provided with anti-slip grooves.

[0011] Further preferably, a sealing strip is provided on the side wall of the socket, a sealing groove is provided on the side wall of the splicing tube, and the sealing strip is spliced ​​with the sealing groove.

[0012] Preferably again, the inner wall of the connecting pipe is wrapped with a sealing rubber pad.

[0013] Preferably, the sealing strip is wrapped with a sealing rubber pad.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a stop valve that is easy to install and connect, and has the following beneficial effects:

[0016] The utility model can be installed in advance on the two connecting pipes of the utility model respectively on the pipeline for installing the stop valve, and then the sealing flange 1 is penetrated by fixing bolts to be fixedly connected with the splicing pipe, after which the sleeve on the valve sleeve is inserted into the valve pipe and fits with the inner wall of the valve pipe and the splicing pipe, the adjusting rod is rotatably connected with the sealing flange 2 through the sealing bearing, and the sealing flange 2 is fixedly connected with the sealing flange 1 through the mounting bolts. According to the above structure, the device can be installed quickly and the sealing performance after installation is guaranteed. At the same time, it is also convenient to disassemble and overhaul when the inside of the device is blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the valve sleeve structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the valve tube structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the connecting pipe structure of the utility model;

[0021] In the figure: 1. valve pipe; 2. connecting pipe; 3. sealing flange 1; 4. sealing flange 2; 5. adjusting handle; 6. convex ring; 7. limiting ring; 8. fixing ring; 9. splicing pipe; 10. cavity; 11. adjusting rod; 12. sleeve; 13. sealing groove; 14. sealing strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model is a stop valve that is easy to install and connect, comprising a connecting pipe 2, a valve pipe 1 and a valve sleeve, the connecting pipe 2 comprising a plug and a splicing pipe 9, the splicing pipe 9 is located at the end of the plug, the valve pipe 1 is provided with a valve sleeve cavity, both sides of the valve pipe 1 are provided with sockets, the sockets are slidably connected with the splicing pipe 9, the top of the valve pipe 1 is provided with a sealing flange 3, the sealing flange 3 is provided with fixing bolts, the fixing bolts penetrate the sealing flange 3 and are connected with the splicing pipe 9, the valve sleeve is provided with a sealing flange 2 4, the sealing flange 2 4 is spliced ​​with the sealing flange 3, and the sealing flange 2 4 is connected with the sealing flange 3 by installing bolts.

[0024] During the use of the valve sleeve in the device, the device is opened to perform the diversion work, and the device is closed to perform the interception work. The preferred arrangement of the valve sleeve in the device is that the valve sleeve includes an adjusting rod 11 and a sleeve 12. The sleeve 12 is installed at the bottom of the adjusting rod 11. The sleeve 12 fits with the inner wall of the splicing tube 9 and the valve tube 1. The adjusting rod 11 is rotatably connected with the sealing flange 4 through a sealing bearing. The top of the adjusting rod 11 is provided with an adjusting handle 5. The bottom of the adjusting handle 5 is provided with a convex ring 6. The top of the sealing flange 4 is provided with a limit ring 7. A fixing ring 8 is provided on the ring 6, and the fixing ring 8 is connected to the convex ring 6 and the limit ring 7 through a threaded structure. The sleeve 12 is a cylindrical structure, and a cavity 10 runs through the sleeve 12. The side of the adjusting handle 5 is provided with anti-slip grooves. According to the above structure, the sleeve 12 is set to a cylindrical structure, so as to facilitate the insertion or removal of the valve sleeve in the valve pipe 1. When the sleeve 12 is adjusted, it is achieved by rotating the adjusting handle 5 to drive the adjusting rod 11 to rotate. After the adjustment of the sleeve 12 is completed, the fixing ring 8 can be connected with the convex ring 6 and the limit ring 7 to limit the adjusting handle 5.

[0025] In order to ensure the sealing of the connection between the splicing tube 9 and the valve tube 1, the preferred solution in the utility model is that a sealing strip 14 is provided on the side wall of the socket, a sealing groove 13 is provided on the side wall of the splicing tube 9, the sealing strip 14 is spliced ​​with the sealing groove 13, and the sealing strip 14 is wrapped with a sealing rubber pad.

[0026] In order to ensure the sealing of the external pipeline of the connecting pipe 2, the preferred solution in the utility model is that the inner wall of the connecting pipe 2 is wrapped with a sealing rubber pad.

[0027] The stop valve is easy to install and connect. During the installation process, the two connecting pipes 2 can be respectively installed on the pipes used to install the stop valve in advance. The inner wall of the connecting pipe 2 is fitted with the external pipe through a sealing gasket, thereby ensuring the sealing of the external pipe of the connecting pipe 2. When the valve pipe 1 is assembled with the sleeve 12, the socket is used to directly combine with the splicing pipe 9, and the sealing strip 14 and the sealing groove 13 are used to splice to ensure the sealing of the splicing of the splicing pipe 9 and the valve pipe 1. The valve pipe 1 and the splicing pipe 9 are fixedly assembled together under the action of the fixing bolts and the sealing flange 3, and then the sleeve 12 on the valve sleeve can be directly inserted into the valve In the tube 1, the sleeve 12 fits with the inner wall of the valve tube 1 and the spliced ​​tube 9, the adjusting rod 11 is rotatably connected with the sealing flange 2 4 through a sealing bearing, and the sealing flange 2 4 is fixedly connected with the sealing flange 1 3 through mounting bolts. According to the above structure, the device can be quickly installed and the sealing after installation is guaranteed. At the same time, it is also convenient for disassembly and maintenance after the internal blockage of the device occurs. When the sleeve 12 is adjusted, it is achieved by rotating the adjusting handle 5 to drive the adjusting rod 11 to rotate. After the adjustment of the sleeve 12 is completed, the fixing ring 8, the convex ring 6 and the limiting ring 7 can be used to limit the adjusting handle 5.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stop valve that is easy to install and connect, characterized in that: The invention comprises a connecting pipe (2), a valve pipe (1) and a valve sleeve, wherein the connecting pipe (2) comprises an insert pipe and a splicing pipe (9), wherein the splicing pipe (9) is located at the end of the insert pipe, wherein a valve sleeve cavity is provided on the valve pipe (1), and sockets are provided on both sides of the valve pipe (1), wherein the sockets are slidably connected to the splicing pipe (9), wherein a sealing flange 1 (3) is provided on the top of the valve pipe (1), wherein fixing bolts are provided on the sealing flange 1 (3), wherein the fixing bolts penetrate the sealing flange 1 (3) and are connected to the splicing pipe (9), wherein a sealing flange 2 (4) is provided on the valve sleeve, wherein the sealing flange 2 (4) is spliced ​​with the sealing flange 1 (3), and wherein the sealing flange 2 (4) and the sealing flange 1 (3) are connected by mounting bolts.

2. A stop valve that is easy to install and connect according to claim 1, characterized in that: The valve sleeve comprises an adjusting rod (11) and a sleeve (12), wherein the sleeve (12) is installed at the bottom of the adjusting rod (11), the sleeve (12) is in contact with the inner wall of the splicing tube (9) and the valve tube (1), and the adjusting rod (11) is rotatably connected to the sealing flange 2 (4) via a sealing bearing.

3. A stop valve that is easy to install and connect according to claim 2, characterized in that: The top of the adjusting rod (11) is provided with an adjusting handle (5), the bottom of the adjusting handle (5) is provided with a convex ring (6), the top of the sealing flange 2 (4) is provided with a limiting ring (7), the convex ring (6) is provided with a fixing ring (8), and the fixing ring (8) is connected to the convex ring (6) and the limiting ring (7) through a threaded structure.

4. A stop valve that is easy to install and connect according to claim 3, characterized in that: The sleeve (12) is a cylindrical structure, and a cavity (10) passes through the sleeve (12).

5. A stop valve that is easy to install and connect according to claim 4, characterized in that: The side of the adjustment handle (5) is provided with anti-slip grooves.

6. A stop valve that is easy to install and connect according to claim 5, characterized in that: A sealing strip (14) is provided on the side wall of the socket, a sealing groove (13) is provided on the side wall of the splicing tube (9), and the sealing strip (14) is spliced ​​with the sealing groove (13).

7. A stop valve that is easy to install and connect according to claim 6, characterized in that: The inner wall of the connecting pipe (2) is wrapped with a sealing rubber pad.

8. A stop valve that is easy to install and connect according to claim 7, characterized in that: The sealing strip (14) is wrapped with a sealing rubber pad.

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