A-type sealing joint for internal pressure test of plastic pipeline

Abstract

The utility model relates to the technical field of building material quality detection equipment, in particular to an A-type sealing joint for testing the internal pressure performance of a plastic pipeline, which comprises a test piece, a clamping assembly, a sealing assembly and an exhaust assembly, the clamping assembly comprises a clamping seat, a chuck, a clamping nut and handles, the clamping seat is detachably connected with the test piece and located at one end of the test piece, the chuck is slidably connected with the clamping seat and located on the outer side of the test piece, the clamping nut is in threaded connection with the clamping seat and located on the outer side of the test piece, the number of the handles is two, the two handles are fixedly connected with the clamping nut, and the handles are connected with the clamping nut. The sealing assembly is connected with the clamping base, the exhaust assembly is connected with the clamping base, and the problems that an existing sealing connector is difficult to install and low in efficiency, and a large amount of manpower is needed are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building material quality testing equipment, in particular to an A-type sealing joint for testing the internal pressure of plastic pipes. Background Art

[0002] Polyethylene (PE) and polypropylene are commonly used pipes for hot and cold water piping systems in my country's buildings. When conducting hydrostatic strength and internal pressure tests on various types of pipes, it is necessary to seal both ends of the pipes with sealing joints and inject pressure water with a maximum of more than 10MPa.

[0003] The current problems are: (1) Sealing joints are difficult to install, inefficient, and require a lot of manpower. (2) Some sealing joints are not sealed tightly after being pressurized, which can easily lead to leakage. (3) When the test piece is large in diameter, the sealing joint is subjected to greater force, and the sealing joint is easily detached from the test piece after being pressurized, and cannot be reliably fixed to the test piece, resulting in experimental failure. Utility Model Content

[0004] The purpose of the utility model is to provide an A-type sealing joint for testing the internal pressure of plastic pipes, which solves the problems of difficult installation, low efficiency and large amount of labor required for existing sealing joints.

[0005] To achieve the above-mentioned objectives, the utility model provides an A-type sealing joint for testing the internal pressure of plastic pipes, comprising a test piece, a clamping assembly, a sealing assembly and an exhaust assembly; the clamping assembly comprises a clamping seat, a chuck, a clamping nut and a handle, the clamping seat is detachably connected to the test piece and is located at one end of the test piece, the chuck is slidably connected to the clamping seat and is located on the outside of the test piece, the clamping nut is threadedly connected to the clamping seat and is located on the outside of the test piece, there are two handles, the two handles are respectively fixedly connected to the clamping nuts and are respectively located on the outside of the clamping nuts, the sealing assembly is connected to the clamping seat, and the exhaust assembly is connected to the clamping seat.

[0006] Wherein, the clamping assembly further includes a plurality of fixing spikes, and the plurality of fixing spikes are respectively fixedly connected to the chuck and are respectively located inside the chuck.

[0007] The sealing assembly includes a sealing ring and a gasket. The sealing ring is detachably connected to the clamping seat and is located inside the clamping seat. The gasket is detachably connected to the sealing ring and is located between the sealing ring and the chuck.

[0008] Wherein, the exhaust assembly includes an exhaust nut and an exhaust bolt, the exhaust nut is fixedly connected to the clamping seat and is located on the outside of the clamping seat, and the exhaust bolt is threadedly connected to the exhaust nut and passes through the clamping seat.

[0009] Among them, the A-type sealing joint for the internal pressure test of the plastic pipe also includes two fixing plates, and the two fixing plates are fixedly connected to the clamping seat respectively and are respectively located on the outside of the clamping seat.

[0010] The clamping nut is used to tighten the clamping head so that the clamping nut can be tightened and the sealing ring can be tightened to the desired position. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0012] Figure 1 It is a schematic diagram of the overall structure of an A-type sealing joint for internal pressure testing of a plastic pipe according to the first embodiment of the present invention.

[0013] Figure 2 It is a front view of an A-type sealing joint for internal pressure testing of a plastic pipe according to the first embodiment of the present invention.

[0014] Figure 3 It is a side view of an A-type sealing joint for internal pressure testing of a plastic pipe according to the first embodiment of the present invention.

[0015] Figure 4 It is a schematic cross-sectional view of an A-type sealing joint for testing the internal pressure of a plastic pipe according to the first embodiment of the present invention.

[0016] In the figure: 101 - test piece, 102 - clamping seat, 103 - chuck, 104 - clamping nut, 105 - handle, 106 - fixing spike, 107 - sealing ring, 108 - gasket, 109 - exhaust nut, 110 - exhaust bolt, 111 - fixing plate. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of this application is:

[0019] See also Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the overall structure of an A-type sealing joint for testing the internal pressure of a plastic pipe according to the first embodiment of the present invention. Figure 2 This is a front view of an A-type sealing joint for testing the internal pressure of a plastic pipe according to the first embodiment of the present invention. Figure 3 This is a side view of an A-type sealing joint for testing the internal pressure of a plastic pipe according to the first embodiment of the present invention. Figure 4 It is a schematic diagram of the cross-sectional structure of an A-type sealing joint for testing the internal pressure of a plastic pipe according to the first embodiment of the present invention. The present invention provides an A-type sealing joint for testing the internal pressure of a plastic pipe, comprising a test piece 101, a fixing plate 111, a clamping assembly, a sealing assembly and an exhaust assembly, wherein the clamping assembly comprises a clamping seat 102, a chuck 103, a clamping nut 104, a handle 105 and a fixing spike 106, the sealing assembly comprises a sealing ring 107 and a gasket 108, and the exhaust assembly comprises an exhaust nut 109 and an exhaust bolt 110; the above-mentioned solution solves the problems of difficult installation, low efficiency and large amount of manpower required for existing sealing joints.

[0020] According to this specific embodiment, the clamping seat 102 is detachably connected to the specimen 101 and is located at one end of the specimen 101. The chuck 103 is slidably connected to the clamping seat 102 and is located on the outside of the specimen 101. The clamping nut 104 is threadedly connected to the clamping seat 102 and is located on the outside of the specimen 101. There are two handles 105, and the two handles 105 are respectively fixedly connected to the clamping nuts 104 and are respectively located on the outside of the clamping nuts 104. The sealing assembly is connected to the clamping seat 102, and the exhaust assembly is connected to the clamping seat 102. The clamping seat 102 provides support for the sealing joint, the chuck 103 is used to clamp the specimen 101, and the clamping nut 104 provides control for the chuck 103. The handle 105 facilitates the rotation of the clamping nut 104. When the specimen 101 is installed in the experiment, the clamping nut 104 is rotated by the handle 105 to move the clamping nut 104 toward the clamping seat 102. The clamping nut 104 is provided with a conical surface inside. The chuck 103 is squeezed by the conical surface provided inside the clamping nut 104. The chuck 103 first squeezes the gasket 108 and the sealing ring 107 toward the clamping seat 102, so that the sealing ring 107 is deformed to seal the clamping seat 102 and the specimen 101. At the same time, the chuck 103 is squeezed by the conical surface inside the clamping nut 104, and the fixing spike 106 is penetrated into the outer surface of the specimen 101 to prevent the specimen 101 from falling out after being under pressure during the experiment.

[0021] There are multiple fixing spikes 106 , each of which is fixedly connected to the chuck 103 and located inside the chuck 103 . The fixing spikes 106 are used to fix the specimen 101 .

[0022] Secondly, the sealing ring 107 is detachably connected to the clamping seat 102 and is located inside the clamping seat 102. The gasket 108 is detachably connected to the sealing ring 107 and is located between the sealing ring 107 and the chuck 103. The sealing ring 107 and the gasket 108 are used to seal the clamping seat 102 and the specimen 101.

[0023] Again, the exhaust nut 109 is fixedly connected to the clamping seat 102 and is located on the outside of the clamping seat 102. The exhaust bolt 110 is threadedly connected to the exhaust nut 109 and passes through the clamping seat 102. The exhaust nut 109 provides a limiting function for the exhaust bolt 110, and the exhaust bolt 110 provides a sealing function for the specimen 101 and the clamping seat 102. When disassembling the specimen 101, the exhaust bolt 110 is removed from the exhaust nut 109 to release the pressure in the clamping seat 102 and the specimen 101. After the pressure is released, the specimen 101 is removed, thereby avoiding the occurrence of safety hazards.

[0024] Finally, there are two fixing plates 111, and the two fixing plates 111 are respectively fixedly connected to the clamping seat 102 and are respectively located on the outside of the clamping seat 102. The fixing plates 111 provide support for the clamping seat 102. Through the fixing plates 111, the clamping seat 102 can be fixed at the position required for the experiment, which facilitates the experiment.

[0025] The A-type sealing joint for the internal pressure test of the plastic pipe of this embodiment is used, the clamping seat 102 provides support for the sealing joint, the chuck 103 is used to clamp the test piece 101, the clamping nut 104 provides control for the chuck 103, and the clamping nut 104 is conveniently rotated by the handle 105. When the test piece 101 is installed in the experiment, the clamping nut 104 is rotated by the handle 105 so that the clamping nut 104 moves toward the clamping seat 102. The interior of the clamping nut 104 is provided with a conical surface, and the clamping The conical surface provided inside the tightening nut 104 squeezes the chuck 103, and the chuck 103 first squeezes the gasket 108 and the sealing ring 107 toward the clamping seat 102, so that the sealing ring 107 is deformed to seal the clamping seat 102 and the test piece 101. At the same time, the chuck 103 is squeezed by the conical surface inside the clamping nut 104, and the fixed spike 106 is inserted into the outer surface of the test piece 101 to prevent the test piece 101 from falling out after being under pressure during the experiment, thereby solving the problems of the existing sealing joints being difficult to install, low efficiency, and requiring a lot of manpower.

[0026] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A type A sealing joint for testing the internal pressure of a plastic pipe, comprising a test piece, characterized in that: Also included are a clamping assembly, a sealing assembly, and a vent assembly; The clamping assembly includes a clamping seat, a chuck, a clamping nut and a handle. The clamping seat is detachably connected to the specimen and is located at one end of the specimen. The chuck is slidably connected to the clamping seat and is located on the outside of the specimen. The clamping nut is threadedly connected to the clamping seat and is located on the outside of the specimen. There are two handles, and the two handles are respectively fixedly connected to the clamping nuts and are respectively located on the outside of the clamping nuts. The sealing assembly is connected to the clamping seat, and the exhaust assembly is connected to the clamping seat.

2. The A-type sealing joint for internal pressure testing of plastic pipes according to claim 1, characterized in that: The clamping assembly further includes a plurality of fixing spikes, each of which is fixedly connected to the chuck and located inside the chuck.

3. The A-type sealing joint for internal pressure testing of plastic pipes according to claim 1, characterized in that: The sealing assembly includes a sealing ring and a gasket. The sealing ring is detachably connected to the clamping seat and is located inside the clamping seat. The gasket is detachably connected to the sealing ring and is located between the sealing ring and the clamping head.

4. The A-type sealing joint for internal pressure testing of plastic pipes according to claim 1, characterized in that: The exhaust assembly includes an exhaust nut and an exhaust bolt. The exhaust nut is fixedly connected to the clamping seat and is located outside the clamping seat. The exhaust bolt is threadedly connected to the exhaust nut and passes through the clamping seat.

5. The A-type sealing joint for internal pressure testing of plastic pipes according to claim 1, characterized in that: The A-type sealing joint for internal pressure testing of plastic pipes further includes two fixing plates, which are respectively fixedly connected to the clamping seat and are respectively located on the outside of the clamping seat.

Images