Polyethylene plastic pipe connecting device

Abstract

The utility model discloses a polyethylene plastic pipe connecting device, and relates to the technical field of plastic pipe installation. Comprising a connecting pipe, fixing pipes are arranged at the two ends of the connecting pipe, fixing covers are arranged on the outer sides of the fixing pipes, and mounting grooves are formed in the inner walls of the two ends of the fixing pipes; the mounting assembly is arranged on the outer side of the connecting pipe and used for communicating the plastic pipe, the mounting assembly comprises an extrusion part and a fixing part, the fixing part is arranged in the connecting pipe and used for supporting the plastic pipe, and the extrusion part is arranged on the outer side of the fixing part and used for connecting the extrusion part with the plastic pipe. Through the arrangement of the extrusion piece and the fixing piece, the extrusion cover, the extrusion cushion, the sealing ring, the supporting pipe, the abutting cushion and the adjusting pipe are matched, so that the plastic pipe is supported while being connected, the plastic pipe is prevented from being stressed and deformed in the connecting process, and the service life of the plastic pipe is prolonged. And a gap is formed between the plastic pipe and the joint, so that the plastic pipe leaks water.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic pipe installation technical field, concretely relates to polyethylene plastic pipe connecting device. BACKGROUND

[0002] Polyethylene plastic pipe is a kind of pipeline made of polyethylene material, is widely used in various fluid conveying systems, and plays an important role in modern fluid conveying system due to its excellent performance and wide application field.

[0003] In the connecting process of polyethylene plastic pipe, most of them are connected by using fusion or quick connector, and in the connecting process of using quick connector, the quick connector is often sleeved on the outer side of polyethylene plastic pipe, and is connected by using extrusion, in actual use, since the quick connector exerts pressure on the outer wall of plastic pipe in the connecting process, the plastic pipe is deformed under stress in the connecting process, and gap is generated between the deformed plastic pipe and connector, thereby causing the plastic pipe connected to leak, for this polyethylene plastic pipe connecting device is proposed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a polyethylene plastic pipe connecting device to solve the problem that the quick connector exerts pressure on the outer wall of plastic pipe in the connecting process, the plastic pipe is deformed under stress in the connecting process, and gap is generated between the deformed plastic pipe and connector, thereby causing the plastic pipe connected to leak.

[0005] The utility model discloses a polyethylene plastic pipe connecting device to solve the problem that the quick connector exerts pressure on the outer wall of plastic pipe in the connecting process, the plastic pipe is deformed under stress in the connecting process, and gap is generated between the deformed plastic pipe and connector, thereby causing the plastic pipe connected to leak.

[0006] Polyethylene plastic pipe connecting device, characterized in that, it includes:

[0007] Connecting pipe, the both ends of the connecting pipe are equipped with fixed pipe, the outer side of the fixed pipe is equipped with fixed cover, the inner wall of the both ends of the fixed pipe is equipped with installation slot;

[0008] Installation assembly is arranged on the outer side of connecting pipe and is used for connecting plastic pipe, and the installation assembly includes extruding piece and fixing part, the fixing part is arranged in the connecting pipe and is used for supporting plastic pipe, the extruding piece is arranged on the outer side of fixing part and is used for connecting extruding piece and plastic pipe, and extruding piece cooperates with fixing part to connect plastic pipe.

[0009] Further, the installation slot is further equipped with sealing gasket.

[0010] Further, the fixing part includes support pipe, the support pipe is T-shaped, the support pipe is arranged in the installation slot, and the opening end of the support pipe is parallel to the axis of the connecting pipe, and the support pipe abuts against the sealing gasket.

[0011] Further, the extrusion piece comprises a sealing ring, the sealing ring is sleeved outside the supporting tube, an extrusion pad and an extrusion cover are sleeved outside the sealing ring in sequence, and one end of the extrusion cover abuts against the fixed cover.

[0012] Further, the supporting tube is further sleeved with an abutting pad.

[0013] Further, the supporting tube is further provided with an adjusting tube, and the adjusting tube is sleeved outside the supporting tube.

[0014] The utility model discloses the beneficial effects are as follows:

[0015] The utility model discloses a fixing piece and the setting of extrusion piece have realized through the cooperation of extrusion cover, extrusion pad, sealing ring, supporting tube, abutting pad and adjusting tube to provide support for plastic pipe when connecting plastic pipe, avoid the deformation of plastic pipe under stress in the connecting process, cause the gap between plastic pipe and joint and cause the leakage of plastic pipe. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the partial sectional view of the utility model;

[0018] Figure 3 It is the exploded view of extrusion piece of the utility model;

[0019] Figure 4 It is the partial sectional view of connecting pipe of the utility model;

[0020] Reference signs: 1, connecting pipe;101, fixed cover;102, installation slot;103, sealing pad;104, fixed tube;2, extrusion piece;201, extrusion cover;202, extrusion pad;203, sealing ring;3, fixed piece;301, supporting tube;302, abutting pad;303, adjusting tube. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based upon the embodiments of the present application, all other embodiments that would be obvious to one of ordinary skill in the art and made without having spent creative ability are within the scope of the present application.

[0023] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] The electrical components appearing in this paper are all connected with the main controller and 220V mains of the outside world, and the main controller can be a conventional known device such as a computer.

[0025] In the description of the embodiments of the present application, it should be pointed out that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the product of the present application is used, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, cannot be understood as limiting the present application.

[0026] As shown in Figures 1 to 4 The polyethylene plastic pipe connecting device comprises a connecting pipe 1, both ends of the connecting pipe 1 are provided with fixed pipes 104, the outer side of the fixed pipe 104 is provided with a fixed cover 101, and the inner walls of both ends of the fixed pipe 104 are provided with mounting grooves 102; a mounting assembly is arranged on the outer side of the connecting pipe 1 and is used for connecting the plastic pipe, the mounting assembly comprises a pressing piece 2 and a fixing piece 3, the fixing piece 3 is arranged in the connecting pipe 1 and is used for supporting the plastic pipe, the pressing piece 2 is arranged on the outer side of the fixing piece 3 and is used for connecting the pressing piece 2 and the plastic pipe, and the pressing piece 2 cooperates with the fixing piece 3 to connect the plastic pipe, specifically, when the plastic pipe needs to be connected, the fixing piece 3 is first inserted into the plastic pipe, so as to support the plastic pipe during use, then the fixing piece 3 and the plastic pipe are fixed through the pressing piece 2, and finally the pressing piece 2 and the fixing piece 3 are fixed and connected through the cooperation of the connecting pipe 1 and the fixed cover 101, and the size of the mounting groove 102 can be selected according to the outer diameter of the plastic pipe.

[0027] As shown in Figures 1 to 4As shown, the installation groove 102 is internally provided with a sealing gasket 103, specifically, the sealing gasket 103 is made of rubber, so as to seal the gap between the fixing member 3 and the installation groove 102 during use, avoiding water leakage after the plastic pipe is connected.

[0028] As shown in Figures 1 to 4 , the fixing member 3 comprises a support pipe 301, which is T-shaped, is arranged inside the installation groove 102, and has an open end parallel to the axis of the connecting pipe 1, and abuts against the sealing gasket 103, specifically, the support pipe 301 can provide internal support for the plastic pipe during use, and the T-shaped support pipe 301 can limit the position of the support pipe 301 during use, ensuring that the position of the support pipe 301 supporting the plastic pipe is accurate, and the size of the support pipe 301 can be replaced according to the inner diameter of the plastic pipe, so as to realize the connection of plastic pipes of different sizes during use.

[0029] As shown in Figures 1 to 4 , the extrusion member 2 comprises a sealing ring 203, which is sleeved outside the support pipe 301, and the sealing ring 203 is sequentially sleeved with an extrusion gasket 202 and an extrusion cover 201, and one end of the extrusion cover 201 abuts against the fixed cover 101, specifically, after the support pipe 301 is inserted into the plastic pipe, the sealing ring 203, the extrusion gasket 202 and the extrusion cover 201 are sequentially sleeved outside the plastic pipe, then the extrusion gasket 202 and the sealing ring 203 are controlled to extrude the plastic pipe through the movement of the extrusion cover 201 relative to the support pipe 301, ensuring the stability of the extrusion cover 201 and the support pipe 301 during use, the extrusion cover 201 and the installation groove 102 are connected through threads or clamping grooves, ensuring that the plastic pipe can be stably connected with the connecting pipe 1 during use, and finally the extrusion cover 201 is further limited through the connection of the fixed cover 101 and the fixed pipe 104, avoiding the support pipe 301 from slipping out of the fixed pipe 104 during use, and the fixed cover 101 and the fixed pipe 104 are connected through threads or clamping grooves.

[0030] As shown in Figures 1 to 4 , the support pipe 301 is further sleeved with an abutting gasket 302, specifically, the abutting gasket 302 can seal the contact surface between the end of the plastic pipe and the support pipe 301 during use, avoiding water leakage during use of the plastic pipe.

[0031] As shown in Figures 1 to 4As shown, the support pipe 301 is further provided with an adjusting pipe 303, and the adjusting pipe 303 is sleeved outside the support pipe 301, specifically, the adjusting pipe 303 is sleeved outside the support pipe 301, so that the gap between the support pipe 301 and the plastic pipe is filled during use, and the size of the adjusting pipe 303 can be adjusted according to the actual use requirement, further ensuring the stability of the support pipe 301 supporting the plastic pipe.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A polyethylene plastic pipe coupling device, characterized by, Include: The connecting pipe (1) both ends are provided with fixed pipe (104), the fixed pipe (104) outside is equipped with fixed cover (101), the fixed pipe (104) both ends inner wall is provided with installation groove (102); The installation assembly is arranged outside the connecting pipe (1), which is used for connecting the plastic pipe, the installation assembly includes an extrusion piece (2) and a fixing piece (3), the fixing piece (3) is arranged inside the connecting pipe (1), which is used for supporting the plastic pipe, the extrusion piece (2) is arranged outside the fixing piece (3), which is used for connecting the extrusion piece (2) and the plastic pipe, and the extrusion piece (2) cooperates with the fixing piece (3) to connect the plastic pipe.

2. The polyethylene plastic pipe coupling device according to claim 1, wherein, The installation groove (102) is further provided with a sealing gasket (103).

3. A polyethylene plastic pipe coupling device according to claim 2, wherein, The fixing piece (3) includes a support pipe (301), the support pipe (301) is T-shaped, the support pipe (301) is arranged inside the installation groove (102), and the opening end of the support pipe (301) is parallel to the axis of the connecting pipe (1), and the support pipe (301) abuts against the sealing gasket (103).

4. The polyethylene plastic pipe coupling device according to claim 3, wherein, The extrusion piece (2) includes a sealing ring (203), the sealing ring (203) is sleeved outside the support pipe (301), the sealing ring (203) is sequentially sleeved with an extrusion pad (202) and an extrusion cover (201), and one end of the extrusion cover (201) abuts against the fixed cover (101).

5. The polyethylene plastic pipe coupling device according to claim 3, wherein, The support pipe (301) is further sleeved with an abutting pad (302) outside.

6. The polyethylene plastic pipe coupling device according to claim 3, wherein, The support pipe (301) is further provided with an adjusting pipe (303), and the adjusting pipe (303) is sleeved outside the support pipe (301).

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