Sealing valve with adjustable length

Abstract

The utility model relates to the technical field of sealing valves, and discloses a sealing valve with adjustable length, which comprises a valve main body and valve end part pipelines arranged on two sides of the valve main body, the end parts of the valve end part pipelines far away from the valve main body are fixedly connected with extension pipelines, and the inner threads of the extension pipelines are sleeved with adjusting pipelines; the end, away from the extending pipeline, of the adjusting pipeline is fixedly connected with a connecting flange. By arranging the adjusting pipeline which can be rotationally screwed out from the interior of the extending pipeline, when the distance between the pipelines at the two ends is long, the adjusting pipeline can be screwed out from the interior of the extending pipeline, the overall length of the sealing valve is increased, fixed installation can be conducted through the connecting flanges and the flanges at the ends of the pipelines, pipeline supplementary connection is not needed in the whole process, and operation is more convenient; in addition, due to the fact that the sealing rubber ring is blocked by the baffle ring, the sealing rubber ring and the sealing lining are in extrusion contact all the time, and the sealing effect can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing valves, in particular to a sealing valve with adjustable length. Background Art

[0002] A sealing valve is a mechanical device that controls the flow rate, direction, pressure and temperature of a flowing fluid medium. It is a basic component in a piping system. A sealing valve can be rotated and adjusted with a manual tool or operated with a handwheel, handle, pedal, etc. When these components are used for operation, the principle of leverage is utilized, which can save the user's effort and is more convenient to operate.

[0003] The current valve length is fixed, but when connecting the pipes at both ends, when the distance between the pipes at both ends is too long, the existing method is to use a pipe to make a patch, and then install a sealing valve between the patched pipe and another pipe. However, the patching point of this method still needs to be sealed, and the patching process is also relatively cumbersome. Therefore, those skilled in the art provide a sealing valve with adjustable length to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing valve with adjustable length to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sealing valve with adjustable length comprises a valve body and valve end pipes installed on both sides of the valve body, wherein the ends of the valve end pipes away from the valve body are fixedly connected to extension pipes, the internal threaded sleeve of the extension pipe is provided with an adjusting pipe, and the ends of the adjusting pipe away from the extension pipe are fixedly connected to a connecting flange.

[0007] As a further solution of the utility model: the surface of the regulating pipe is threadedly connected with a fixing ring, the fixing ring is fixed with a sealing sheet on the side surface facing the extension pipe, the end of the extension pipe away from the valve end pipe is estimated to have an end ring, and the outer diameter of the end ring is equal to the outer diameter of the fixing ring.

[0008] As a further solution of the utility model: the inner end of the regulating pipe extends to the interior of the valve end pipe, the inner wall of the valve end pipe is fixedly connected with a sealing lining, the outer surface of the inner end of the regulating pipe is fixedly connected with a sealing rubber ring, and the sealing rubber ring and the sealing lining are extruded against each other.

[0009] As a further solution of the utility model: a retaining ring is extendedly provided on the inner surface of the connection between the valve end pipe and the extension pipe.

[0010] As a further solution of the utility model: the inner diameter of the retaining ring is smaller than the outer diameter of the sealing rubber ring.

[0011] As a further solution of the utility model: the sealing rubber ring and the sealing liner are both components made of rubber material.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By providing an adjusting pipe that can be rotated and unscrewed from the inside of the extended pipe, when the distance between the pipes at both ends is long, the adjusting pipe can be unscrewed from the inside of the extended pipe to extend the overall length of the sealing valve, and can be fixedly installed by connecting the flange and the flange at the end of the pipe. The whole process does not require patching of pipes, which makes operation more convenient and installation simpler. In addition, since the sealing rubber ring is blocked by the retaining ring, the sealing rubber ring and the sealing liner are always in extrusion contact, which can ensure the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a sealing valve with adjustable length;

[0015] Figure 2 It is a schematic diagram of the structure inside an extension tube in a sealing valve with adjustable length;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0017] In the figure: 1. Valve body; 2. Valve end pipe; 3. Extension pipe; 4. Adjustment pipe; 5. End ring; 6. Fixing ring; 7. Sealing sheet; 8. Connecting flange; 9. Sealing rubber ring; 10. Sealing liner; 11. Retaining ring. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3 In an embodiment of the utility model, a sealing valve with adjustable length includes a valve body 1 and valve end pipes 2 installed on both sides of the valve body 1, the end of the valve end pipe 2 away from the valve body 1 is fixedly connected to an extension pipe 3, the internal thread sleeve of the extension pipe 3 is provided with an adjusting pipe 4, and the end of the adjusting pipe 4 away from the extension pipe 3 is fixedly connected to a connecting flange 8.

[0019] Preferably, the surface of the adjusting pipe 4 is threadedly connected with a fixing ring 6, and a sealing sheet 7 is fixedly connected to the side surface of the fixing ring 6 facing the extension pipe 3. The end of the extension pipe 3 away from the valve end pipe 2 is estimated to be the end ring 5, and the outer diameter of the end ring 5 is equal to the outer diameter of the fixing ring 6.

[0020] Preferably, the inner end of the regulating pipe 4 extends to the interior of the valve end pipe 2, the inner wall of the valve end pipe 2 is fixedly connected with a sealing lining 10, and the outer surface of the inner end of the regulating pipe 4 is fixedly connected with a sealing rubber ring 9, and the sealing rubber ring 9 and the sealing lining 10 are extruded against each other.

[0021] Preferably, a retaining ring 11 is extendedly provided on the inner surface of the connection between the valve end pipe 2 and the extension pipe 3 .

[0022] Preferably, the inner diameter of the retaining ring 11 is smaller than the outer diameter of the sealing rubber ring 9 .

[0023] Preferably, the sealing rubber ring 9 and the sealing liner 10 are both components made of rubber material.

[0024] The working principle of the utility model is: when the sealing valve is used to connect pipelines, when the distance between the two ends of the pipelines is long, the regulating pipeline 4 can be rotated and screwed out from the inside of the extension pipeline 3, and then the connecting flange 8 and the flange at the end of the pipeline are fixedly installed, and then the fixing ring 6 is rotated to make the fixing ring 6 gradually move toward the end ring 5, and the sealing sheet 7 is squeezed by the end ring 5 and the fixing ring 6, so that both ends of the regulating pipeline 4 are restricted, thereby fixing and restricting the regulating pipeline 4. When the distance between the two ends of the pipelines is long, there is no need to supplement the pipeline. By rotating the regulating pipeline 4 to extend the length of the two ends of the sealing valve, it is simpler during installation. In addition, since the sealing rubber ring 9 is blocked by the retaining ring 11, the sealing rubber ring 9 and the sealing liner 10 are always in extrusion contact, which can ensure the sealing effect.

[0025] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A sealing valve with adjustable length, comprising a valve body (1) and valve end pipes (2) installed on both sides of the valve body (1), characterized in that: An end of the valve end pipe (2) away from the valve body (1) is fixedly connected to an extension pipe (3), an internal thread sleeve of the extension pipe (3) is provided with an adjustment pipe (4), and an end of the adjustment pipe (4) away from the extension pipe (3) is fixedly connected to a connection flange (8).

2. A sealing valve with adjustable length according to claim 1, characterized in that: The surface of the regulating pipe (4) is threadedly connected with a fixing ring (6), and the fixing ring (6) is fixedly connected with a sealing sheet (7) on the side surface facing the extension pipe (3). The end of the extension pipe (3) away from the valve end pipe (2) is estimated to be connected to the end ring (5), and the outer diameter of the end ring (5) is equal to the outer diameter of the fixing ring (6).

3. The sealing valve with adjustable length according to claim 1, characterized in that: The inner end of the regulating pipe (4) extends into the interior of the valve end pipe (2); a sealing liner (10) is fixedly connected to the inner wall of the valve end pipe (2); a sealing rubber ring (9) is fixedly connected to the outer surface of the inner end of the regulating pipe (4); the sealing rubber ring (9) and the sealing liner (10) are arranged to be pressed against each other.

4. The sealing valve with adjustable length according to claim 3, characterized in that: A retaining ring (11) is extended from the inner surface of the connection between the valve end pipe (2) and the extension pipe (3).

5. The sealing valve with adjustable length according to claim 4, characterized in that: The inner diameter of the retaining ring (11) is smaller than the outer diameter of the sealing rubber ring (9).

6. The sealing valve with adjustable length according to claim 3, characterized in that: The sealing rubber ring (9) and the sealing liner (10) are both components made of rubber material.

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