CN218152979U

CN218152979U - Leak-proof device for connecting plastic pipes

Info

Publication number: CN218152979U
Application number: CN202220731637.8U
Authority: CN
Inventors: 林森强
Original assignee: Yunnan Quansu Industry Co ltd
Current assignee: Yunnan Quansu Industry Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-12-27
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a plastics tubular product technical field discloses a leak protection device is used in plastics tubular product connection, including the inner tube, the inner tube comprises two preceding pipe portions and well pipe portion, well pipe portion all installs preceding pipe portion at the both ends of well pipe portion, well pipe portion is linked together with preceding pipe portion, is located preceding pipe portion overcoat is equipped with the outer tube, be provided with the rubber circle between outer tube end face and the preceding pipe portion, be located all be equipped with the sealing washer on the pipe wall between outer tube and the preceding pipe portion, insert the connecting pipe between outer tube and the inner tube, utilize the elastic reaction of rubber circle, can make its outer tube and inner tube closely laminate to the connecting pipe, make its preliminary connection sealed, this scheme novel structure, easy and simple to handle easily prepares, need not extra instrument, and no limitation, the practicality is higher.

Description

Leak-proof device for connecting plastic pipes

Technical Field

The utility model relates to a plastics tubular product technical field specifically is a leak protection device is used in plastics tubular product connection.

Background

At present, when laying the operation to tubular product, especially relate to the connection between two tubular products, current connected mode adopts the mode of hot melt more, needs hand-carry hot melt equipment, and the limitation is higher, melts the tubular product interface to embolia the connecting sleeve at once, this kind of mode wastes time and energy, very easily scalds constructor, and the leak protection effect is not good, is not convenient for subsequent dismouting pipeline to change, and the practicality is not high.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a leakage-proof device for plastic pipe connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leak protection device is used in connection of plastics tubular product to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a leak protection device technical scheme is used in connection of plastics tubular product, includes the inner tube, the inner tube comprises two front tube portion and well tube portion, front tube portion is all installed at the both ends of well tube portion, well tube portion is linked together with front tube portion, is located the front tube portion overcoat is equipped with the outer tube, be provided with the rubber circle between outer tube terminal surface and the front tube portion, be located all be equipped with the sealing washer on the pipe wall between outer tube and the front tube portion.

Preferably, the outer portion of the middle pipe portion is provided with external threads, the middle pipe portion is provided with two reinforcing sleeves in an sleeved mode, internal threads are formed in the middle of the reinforcing sleeves, the reinforcing sleeves are arranged in opposite directions, and the reinforcing sleeves are arranged in a cover shape.

Preferably, the inner edge opening of the reinforcing sleeve is inwards provided with a chamfer, a reinforcing layer is arranged at the inner edge of the reinforcing sleeve, and the reinforcing layer is tightly attached to the outer pipe.

Preferably, the sealing washer is equipped with a plurality ofly, and a plurality of the sealing washer is the equidistant form setting, every the cross-section of sealing washer all is semicircle form setting.

Preferably, a connecting pipe is inserted between the front pipe part and the outer pipe, and the outer wall and the inner wall of the connecting pipe are tightly attached to the sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model relates to a leak protection device is used in connection of plastics tubular product, the inner tube and the outer tube of setting insert the connecting pipe between outer tube and the inner tube, utilize the elastic action of rubber circle, can make its outer tube and inner tube closely laminate to the connecting pipe, make its preliminary connection sealed, this scheme novel structure, easy and simple to handle easily prepares, need not extra instrument, and no limitation, the practicality is higher.

(2) The utility model relates to a plastics tubular product is connected and is used leak protection device, the reinforcement cover of setting adopts the spiral mode to screw up the rotatory tightening of reinforcement cover, and the interior bead chamfer of reinforcement cover can be further extrudeed to the outer pipe to sealing washer between compression outer tube and the inner tube extrudees mutually with the outer tube until the back up coat in the reinforcement cover, realizes sealing between outer tube, inner tube and the connecting pipe promptly, promotes the leak protection effect greatly, and can make things convenient for follow-up dismouting to the pipeline to change.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal cross-sectional structure of fig. 1.

In the reference symbols: 1. an inner tube; 11. an outer tube; 12. a rubber ring; 13. an external thread; 2. a connecting pipe; 3. reinforcing the sleeve; 31. an internal thread; 32. a reinforcement layer; 4. and (5) sealing rings.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Examples

Referring to fig. 1 and 2, the present invention provides a technical solution of a leak-proof device for connecting plastic pipes: including inner tube 1, inner tube 1 comprises two front tube portion and well pipe portion, front tube portion is all installed at the both ends of well pipe portion, it is specific, front tube portion pipe diameter is greater than well pipe portion pipe diameter, well pipe portion is linked together with front tube portion, it is specific, front tube portion and well pipe portion adopt the integral type processing to form, it is equipped with outer tube 11 to be located the front tube portion overcoat, be provided with rubber circle 12 between 11 terminal surfaces of outer tube and the front tube portion, it is specific, rubber circle 12 and outer tube 11 and front tube portion fixed connection, be located and all be equipped with sealing washer 4 on the pipe wall between outer tube 11 and the front tube portion, sealing washer 4 is a plurality of, and a plurality of sealing washers 4 are equidistant form and set up, every sealing washer 4's cross-section all is semicircle form and sets up, it is specific, a plurality of sealing washers 4 are the one-to-one and install on outer wall of outer tube portion on the outer wall of outer tube 11, it is equipped with connecting pipe 2 to insert between front tube portion and outer tube 11, the pipe outer wall and the pipe inner wall of connecting pipe 2 all closely laminate with sealing washer 4.

In this embodiment, two connecting pipes 2 are sequentially inserted between two front pipe portions and the outer pipe 11, so that the pipe walls of the connecting pipes 2 are respectively extruded with the inner wall of the outer pipe 11 and the sealing rings 4 on the outer wall of the front pipe portion, and simultaneously, the rubber rings 12 are stretched to outwardly support the outer pipe 11, thereby completing the primary connection of the connecting pipes.

Please refer to fig. 1 and 2, further, the middle pipe portion is externally provided with an external thread 13, the middle pipe portion is externally sleeved with two reinforcing sleeves 3, an internal thread 31 is arranged in the middle of each reinforcing sleeve 3, the two reinforcing sleeves 3 are arranged in opposite directions, specifically, the reinforcing sleeves 3 are in thread fit with the middle pipe portion, the reinforcing sleeves 3 are arranged in a cover shape, the inner edge openings of the reinforcing sleeves 3 are inwards provided with chamfers, and the inner edge positions of the reinforcing sleeves 3 are provided with reinforcing layers 32, specifically, the reinforcing layers 32 are made of rubber materials and used for extrusion sealing, and the reinforcing layers 32 are tightly attached to the outer pipe 11.

In this embodiment, the reinforcing sleeves 3 at two ends are screwed, and the inner edge of the reinforcing sleeve 3 is chamfered, so that the outer tube 11 can be further extruded to compress the sealing ring 4 between the outer tube 11 and the inner tube 1, so that the connecting tube 2 is sealed until the reinforcing layer in the reinforcing sleeve 3 is extruded with the outer tube 1, and the reinforcing sleeve 3 cannot be screwed.

Specifically, the utility model discloses a theory of operation and use flow: insert two connecting pipes 2 between two preceding pipe portions and outer tube 11 in proper order, make 2 pipe walls of its connecting pipe respectively with the outer tube 11 inner wall and the extrusion of sealing washer 4 on the preceding pipe portion outer wall, simultaneously, tensile rubber circle 12 outwards props up outer tube 11, revolve wrong both ends reinforcing cover 3, the interior bead chamfer of reinforcing cover 3, can further extrude outer tube 11, with sealing washer 4 between compression outer tube 11 and the inner tube 1, make it seal connecting pipe 2, until reinforcing layer in the reinforcing cover 3 extrudees with outer tube 1 mutually, can't revolve wrong reinforcing cover 3, until accomplishing whole work order.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leak protection device is used in connection of plastics tubular product, its characterized in that, includes inner tube (1), inner tube (1) comprises two preceding tube portions and well tube portion, preceding tube portion is all installed at the both ends of well tube portion, well tube portion is linked together with preceding tube portion, is located preceding tube portion overcoat is equipped with outer tube (11), be provided with rubber circle (12) between outer tube (11) terminal surface and the preceding tube portion, be located all be equipped with sealing washer (4) on the pipe wall between outer tube (11) and the preceding tube portion.

2. The leak-proof device for connecting plastic pipes as claimed in claim 1, wherein: the middle pipe part is externally provided with external threads (13), the middle pipe part is externally provided with two reinforcing sleeves (3), the middle part of each reinforcing sleeve (3) is provided with an internal thread (31), the reinforcing sleeves (3) are arranged in opposite directions, and the reinforcing sleeves (3) are arranged in a cover shape.

3. The leak-proof device for connecting plastic pipes as claimed in claim 2, wherein: the inner edge opening of the reinforcing sleeve (3) is inwards provided with a chamfer, a reinforcing layer (32) is arranged at the inner edge of the reinforcing sleeve (3), and the reinforcing layer (32) is tightly attached to the outer pipe (11).

4. The leak-proof device for connecting plastic pipes as claimed in claim 1, wherein: the sealing rings (4) are arranged in a plurality of spaced-apart mode, each sealing ring (4) is arranged in a semicircular mode in cross section.

5. The leak-proof device for connecting plastic pipes as claimed in claim 4, wherein: a connecting pipe (2) is inserted between the front pipe part and the outer pipe (11), and the outer wall and the inner wall of the connecting pipe (2) are tightly attached to the sealing ring (4).