Sealing disc for pipeline

Abstract

The utility model discloses a sealing disc for a pipeline, which comprises a pipeline body, a sealing device is arranged in the pipeline body, the sealing device comprises a telescopic sealing assembly and an installation fixing assembly, the telescopic sealing assembly is arranged in the pipeline body, and the installation fixing assembly is arranged on the outer wall of the pipeline body. According to the sealing disc for the pipeline, after a rear assembly plate and a front assembly plate are in sealed butt joint, the rear assembly plate and the front assembly plate are fixed through a plurality of sets of fixing bolt assemblies, and the assemblies are installed in a pushing and extruding mode, so that the installation difficulty of the whole device is greatly reduced; and three groups of sealing discs are arranged to seal the inner wall of the pipeline body in an attached manner, so that the problem of internal sealing performance of the pipeline body is solved while the mounting difficulty is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline sealing, and in particular relates to a sealing disc for pipelines. Background Art

[0002] The existing patent number is: CN211289191U, a highly sealed combined flange-type pipeline plug, the plug can be placed in the pipeline, the plug includes a columnar base, the columnar base includes a first columnar section and a second columnar section, the first columnar section and the second columnar section are respectively provided with a plugging part and a pressure-bearing part, and when observed along the liquid flow direction in the pipeline, the pressure-bearing part is arranged downstream of the plugging part; wherein the plugging part includes at least one first supporting monomer distributed circumferentially on the first columnar section; wherein the pressure-bearing part includes at least one second supporting monomer distributed circumferentially on the second columnar section; wherein the first supporting monomer and the second supporting monomer have different cross-sectional shapes along the longitudinal section of the columnar base, and the pressure-bearing part and the plugging part are sealed and connected to the inner wall of the pipeline. The utility model is a highly sealed combined flange-type pipeline plug, which improves the sealing, pressure-bearing performance and safety of the plug. The rear end of the component is not provided with a sealing fixing device with the outside of the pipeline, and it is easy to have the problem of displacement during use to reduce the sealing.

[0003] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a sealing disc for pipelines.

[0005] To achieve the above-mentioned purpose, the utility model proposes a sealing disc for a pipeline, comprising a pipeline body, wherein a sealing device is installed inside the pipeline body, and the sealing device comprises: a telescopic sealing component and an installation and fixing component, wherein the telescopic sealing component is installed inside the pipeline body, and the installation and fixing component is installed on the outer wall of the pipeline body.

[0006] In one example, the telescopic sealing assembly includes: a telescopic pipe, a front sealing stabilizing block, a sealing disk, an extrusion disk, an assembly groove and an assembly block, wherein an extrusion push rod is fixedly installed at the rear end of the assembly block, and the front end of the assembly block is installed inside the assembly groove, the assembly groove is opened at the rear end of the extrusion disk, the front end of the extrusion disk is fixedly installed inside the front end of the telescopic pipe, the rear end of the front sealing stabilizing block is fixedly installed at the front end of the telescopic pipe, and the front sealing stabilizing block is installed on the outer wall of the front sealing stabilizing block.

[0007] In one example, the installation and fixing assembly includes: a fixing bolt assembly, a sealing snap groove, a front assembly plate and a rear assembly plate, the rear assembly plate is installed on the outer wall of one end of the pipe body, the sealing snap groove is opened on the inner side of the front assembly plate, and the inner side of the front assembly plate is installed on the inner side of the rear assembly plate.

[0008] In one example, a sealing ring is provided on the inner side of the rear assembly plate, and the sealing ring is installed in the sealing buckle groove, and the size of the rear assembly plate matches the size of the front assembly plate.

[0009] In one example, the fixing bolt assemblies are provided in multiple groups, and the front ends of the multiple groups of fixing bolt assemblies all penetrate the front and rear ends of the rear assembly plate and the front assembly plate, and the front assembly plate is installed on the outer wall of one end of the telescopic pipe.

[0010] In one example, the front sealing stabilizing blocks and sealing disks are provided in three groups, one group of front sealing stabilizing blocks and sealing disks are installed on the front end outer wall of the telescopic pipe, and the other two groups of front sealing stabilizing blocks and sealing disks are respectively installed on the outer walls of the telescopic pipe.

[0011] In one example, the diameter of the sealing disk is larger than the outer wall diameter of the front sealing stabilizing block, the outer wall diameter of the front sealing stabilizing block is smaller than the inner wall diameter of the pipe body, and the diameter of the sealing disk is larger than the inner wall diameter of the pipe body.

[0012] The sealing disc for pipelines proposed by the utility model can bring the following beneficial effects:

[0013] After the sealing connection between the rear assembly plate and the front assembly plate is completed, multiple sets of fixing bolt assemblies are used to fix the rear assembly plate and the front assembly plate. The assembly is installed by pushing and squeezing, which greatly reduces the installation difficulty of the entire device. Three sets of sealing disks are provided to fit and seal the inner wall of the pipe body, which reduces the installation difficulty and solves the problem of internal sealing of the pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a sealing disc for a pipeline.

[0016] Figure 2 The utility model is a schematic diagram of the structure of a sealing device of a sealing disc for a pipeline.

[0017] Figure 3 The utility model is a schematic diagram of the structure of a telescopic sealing component of a sealing disk for a pipeline.

[0018] Figure 4 The utility model is a schematic diagram of the structure of an installation and fixing assembly of a sealing disc for a pipeline.

[0019] In the accompanying drawings: 1. Pipe body; 2. Sealing device; 21. Telescopic sealing assembly; 211. Extrusion push rod; 212. Assembly block; 213. Telescopic pipe; 214. Sealing disk; 215. Front sealing stabilizing block; 216. Extrusion disk; 217. Assembly groove; 22. Mounting and fixing assembly; 221. Rear assembly plate; 222. Front assembly plate; 223. Sealing buckle groove; 224. Fixing bolt assembly. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0021] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0025] like Figure 1 to Figure 3 As shown, an embodiment of the utility model proposes a sealing disk for a pipeline, including a pipeline body 1, a sealing device 2 is installed inside the pipeline body 1, and the sealing device 2 includes: a telescopic sealing component 21 and an installation and fixing component 22, the telescopic sealing component 21 is installed inside the pipeline body 1, and the installation and fixing component 22 is installed on the outer wall of the pipeline body 1.

[0026] like Figure 3 As shown, the telescopic sealing assembly 21 includes: a telescopic pipe 213, a front sealing stabilizing block 215, a sealing disc 214, an extrusion disc 216, an assembly groove 217 and an assembly block 212, the rear end of the assembly block 212 is fixedly installed with an extrusion push rod 211, the front end of the assembly block 212 is installed inside the assembly groove 217, the assembly groove 217 is opened at the rear end of the extrusion disc 216, the front end of the extrusion disc 216 is fixedly installed inside the front end of the telescopic pipe 213, the rear end of the front sealing stabilizing block 215 is fixedly installed at the front end of the telescopic pipe 213, the front sealing stabilizing block 215 is installed on the outer wall of the front sealing stabilizing block 215, and the front sealing stabilizing block 215 and the sealing disc 214 are each provided with three groups, one group of the front sealing stabilizing block 215 and the sealing disc 214 are installed on the outer wall of the front end of the telescopic pipe 213, and the other two groups of the front sealing stabilizing block 215 and the sealing disc 214 are respectively installed on the outer walls of the telescopic pipe 213. The diameter of the sealing disk 214 is larger than the outer wall diameter of the front sealing stabilizing block 215 , the outer wall diameter of the front sealing stabilizing block 215 is smaller than the inner wall diameter of the pipe body 1 , and the diameter of the sealing disk 214 is larger than the inner wall diameter of the pipe body 1 .

[0027] like Figure 4As shown, the installation and fixing component 22 includes: a fixing bolt component 224, a sealing buckle groove 223, a front assembly plate 222 and a rear assembly plate 221, the rear assembly plate 221 is installed on the outer wall of one end of the pipe body 1, the sealing buckle groove 223 is opened on the inner side of the front assembly plate 222, the inner side of the front assembly plate 222 is installed on the inner side of the rear assembly plate 221, a sealing ring is opened on the inner side of the rear assembly plate 221, and the sealing ring is installed in the sealing buckle groove 223, the size of the rear assembly plate 221 is adapted to the size of the front assembly plate 222, the fixing bolt component 224 is provided with multiple groups, and the front ends of the multiple groups of fixing bolt components 224 all pass through the front and rear ends of the rear assembly plate 221 and the front assembly plate 222, and the front assembly plate 222 is installed on the outer wall of one end of the telescopic pipe 213; before use, the device needs to place the telescopic pipe 213 inside the pipe body 1, and after the telescopic pipe 213 is placed, push the extrusion push rod 211 forward to squeeze and push The rod 211 moves forward to squeeze one end of the telescopic pipe 213. When the telescopic pipe 213 is squeezed, it stretches inside the pipe body 1. While the telescopic pipe 213 stretches, the outer wall of the three groups of sealing plates 214 are squeezed and fitted on the outer wall of the pipe body 1. After the three groups of sealing plates 214 complete the installation and fitting work, a section of the inner wall of the pipe body 1 completes the sealing work. After the telescopic pipe 213 is pushed and placed, the front assembly plate 222 installed at the rear end is moved to one end of the rear assembly plate 221. After the rear assembly plate 221 and the front assembly plate 222 are sealed and docked, the rear assembly plate 221 and the front assembly plate 222 are fixed by multiple groups of fixing bolt assemblies 224. This assembly is installed by pushing and squeezing, which greatly reduces the installation difficulty of the entire device. Three groups of sealing plates 214 are provided to fit and seal the inner wall of the pipe body 1, which reduces the installation difficulty while solving the problem of internal sealing of the pipe body 1.

[0028] Working principle: Before using the device, the telescopic pipe 213 needs to be placed inside the pipe body 1. After the telescopic pipe 213 is placed in, the extrusion push rod 211 is pushed forward, and the extrusion push rod 211 moves forward to squeeze one end of the telescopic pipe 213. When the telescopic pipe 213 is squeezed, it is stretched inside the pipe body 1. While the telescopic pipe 213 is stretched, the outer walls of the three groups of sealing plates 214 on the outer wall are squeezed and fitted on the outer wall of the pipe body 1. After the three groups of sealing plates 214 are installed and fitted, a section of the inner wall of the pipe body 1 is sealed. After the telescopic pipe 213 is pushed and placed, the front assembly plate 222 installed at the rear end is moved to one end of the rear assembly plate 221. After the sealing connection between the rear assembly plate 221 and the front assembly plate 222 is completed, the rear assembly plate 221 and the front assembly plate 222 are fixed by multiple groups of fixing bolt assemblies 224.

[0029] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A sealing disc for a pipeline, characterized in that: The invention comprises a pipeline body (1), wherein a sealing device (2) is installed inside the pipeline body (1), and the sealing device (2) comprises: a telescopic sealing component (21) and a mounting and fixing component (22), wherein the telescopic sealing component (21) is installed inside the pipeline body (1), and the mounting and fixing component (22) is installed on the outer wall of the pipeline body (1).

2. A sealing disc for pipeline according to claim 1, characterized in that: The telescopic sealing assembly (21) comprises: a telescopic pipe (213), a front sealing stabilizing block (215), a sealing disc (214), an extrusion disc (216), an assembly groove (217) and an assembly block (212); the rear end of the assembly block (212) is fixedly mounted with an extrusion push rod (211); the front end of the assembly block (212) is mounted inside the assembly groove (217); the assembly groove (217) is opened at the rear end of the extrusion disc (216); the front end of the extrusion disc (216) is fixedly mounted inside the front end of the telescopic pipe (213); the rear end of the front sealing stabilizing block (215) is fixedly mounted at the front end of the telescopic pipe (213); and the front sealing stabilizing block (215) is mounted on the outer wall of the front sealing stabilizing block (215).

3. A sealing disc for pipeline according to claim 1, characterized in that: The installation and fixing assembly (22) comprises: a fixing bolt assembly (224), a sealing buckle groove (223), a front assembly plate (222) and a rear assembly plate (221); the rear assembly plate (221) is installed on the outer wall of one end of the pipeline body (1); the sealing buckle groove (223) is provided on the inner side of the front assembly plate (222); and the inner side of the front assembly plate (222) is installed on the inner side of the rear assembly plate (221).

4. A sealing disc for pipeline according to claim 3, characterized in that: A sealing ring is provided on the inner side of the rear assembly plate (221), and the sealing ring is installed in the sealing buckle groove (223). The size of the rear assembly plate (221) matches the size of the front assembly plate (222).

5. A sealing disc for pipeline according to claim 3, characterized in that: The fixing bolt assemblies (224) are provided in multiple groups, and the front ends of the multiple fixing bolt assemblies (224) all penetrate the front and rear ends of the rear assembly plate (221) and the front assembly plate (222), and the front assembly plate (222) is installed on the outer wall of one end of the telescopic pipe (213).

6. A sealing disc for pipeline according to claim 2, characterized in that: The front sealing stabilizing block (215) and the sealing disk (214) are provided in three groups, one group of the front sealing stabilizing block (215) and the sealing disk (214) is installed on the front outer wall of the telescopic pipe (213), and the other two groups of the front sealing stabilizing block (215) and the sealing disk (214) are installed on the outer wall of the telescopic pipe (213) respectively.

7. A sealing disc for pipeline according to claim 2, characterized in that: The diameter of the sealing disk (214) is greater than the outer wall diameter of the front sealing stabilizing block (215), the outer wall diameter of the front sealing stabilizing block (215) is smaller than the inner wall diameter of the pipe body (1), and the diameter of the sealing disk (214) is greater than the inner wall diameter of the pipe body (1).

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