Plastic pipeline connecting device

Abstract

The utility model belongs to the technical field of plastic pipelines, and particularly relates to a plastic pipeline connecting device which comprises a workbench, a pair of lower clamping blocks are arranged on the upper side of the workbench, and upper clamping blocks are hinged to the upper surfaces of the lower clamping blocks. The two pipeline bodies are placed on the lower clamping blocks correspondingly, the locking rods are rotated upwards to be perpendicular to the upper clamping blocks, the locking blocks are screwed to be tightly attached to the upper clamping blocks, and therefore the pipeline bodies are clamped, the connectors are inserted into the outer walls of the pipeline bodies through the position between the two pipeline bodies, then the gaskets are inserted, and the connecting pipe is inserted into the outer wall of one pipeline body. A rocker is rotated to drive a two-way lead screw, so that two sliding blocks are close to each other, two pipeline bodies are attached, a screw is inserted into a mounting plate, a nut is screwed to enable a connector, a connecting pipe and a gasket to be tightly attached, an air bag is inflated through an inflating valve, the air bag expands to clamp the two pipeline bodies, the sealing performance is improved, and the air bag is not prone to being affected by thermal expansion and cold contraction; the connecting effect is good, and the gasket further improves the sealing performance.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipes, in particular to a plastic pipe connecting device. Background Art

[0002] Plastic pipes are generally made of synthetic resin, that is, polyester, with stabilizers, lubricants, plasticizers, etc. added, and are extruded in a pipe making machine by the "plastic" method. Because of its light weight, corrosion resistance, beautiful appearance, no bad smell, easy processing, and convenient construction, plastic pipes often need to be connected to each other due to length and other reasons during installation, so a special plastic pipe connection device is required for connection;

[0003] When some existing pipe connection devices are used, the pipe connection parts are often disconnected due to excessive pressure in the pipes, resulting in leakage. Therefore, a plastic pipe connection device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic pipe connecting device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic pipe connecting device, comprising a workbench, a pair of lower clamping blocks are provided on the upper side of the workbench, an upper clamping block is hinged on the upper surface of the lower clamping block, a pipe body is provided between the upper surface of the lower clamping block and the lower surface of the upper clamping block, the outer wall of the pipe body is slidably connected with a connecting head, a pair of connecting heads are provided with connecting pipes on the adjacent sides, a pair of connecting heads are provided with gaskets on the adjacent sides of the connecting pipes, an air bag is fixedly connected to the inner side wall of the connecting pipe, an air valve is provided on the inner side wall of the connecting pipe, the lower end of the air valve is communicated with the outer side wall of the air bag, the outer side wall of the connecting head is fixedly connected with a uniformly distributed mounting plate, a screw is inserted into the inner side wall of the mounting plate, and a nut is threadedly connected to the outer side wall of the screw.

[0006] As a further preferred embodiment of the technical solution: the upper side of the outer side wall of the connecting pipe is connected to a protection pipe, and the outer side wall of the protection pipe is threadedly connected to a protection cover.

[0007] As a further preferred embodiment of the technical solution: a locking rod is rotatably connected to the front side of the inner wall of the lower clamping block, and a locking block is threadedly connected to the outer wall of the locking rod.

[0008] As a further preferred embodiment of the technical solution: a pair of slide grooves are provided on the inner side walls of the workbench, a slider is slidably connected to the inner side walls of the slide grooves, and the upper surface of the slider is fixedly connected to the lower surface of the lower clamping block.

[0009] As a further preferred embodiment of the technical solution: the inner wall of the workbench is rotatably connected to a bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected to the inner wall of the slider, and the right end of the bidirectional screw rod is fixedly connected to a rocker.

[0010] As a further preferred embodiment of the present technical solution: evenly distributed supporting legs are fixedly connected to the lower surface of the workbench.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is used, the two pipe bodies are respectively placed on the lower clamping blocks, the locking rod is rotated upward to be perpendicular to the upper clamping block, the locking block is twisted to fit tightly with the upper clamping block, so that the pipe bodies are clamped, the connecting head is first inserted into the outer wall of the pipe body through the space between the two pipe bodies, and then the gasket is inserted, and the connecting pipe is inserted into the outer wall of one pipe body, the rocker drives the bidirectional screw rod to make the two sliders approach each other, make the two pipe bodies fit together, insert the screw rod into the mounting plate, tighten the nut to make the connecting head, the connecting pipe and the gasket fit closely, inflate the airbag through the valve mouth, and the airbag expands to clamp the two pipe bodies, thereby improving the sealing performance. The airbag is not easily affected by thermal expansion and contraction, and the connection effect is better. The gasket further improves the sealing performance and is not easy to cause leakage. No manual support is required during installation, and the positioning is accurate and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the pipeline body, the connector and the connecting pipe in the utility model;

[0015] Figure 3 It is a schematic cross-sectional view of the gasket, air bag and valve in the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the locking rod, the locking block and the sliding block in the utility model.

[0017] In the figure: 1. workbench; 2. lower clamping block; 3. upper clamping block; 4. pipe body; 5. connector; 6. connecting pipe; 7. gasket; 8. air bag; 9. valve; 10. mounting plate; 11. screw; 12. nut; 13. protective tube; 14. protective cover; 15. locking rod; 16. locking block; 17. slide groove; 18. slider; 19. bidirectional screw; 20. rocker; 21. support leg. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" 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 or an electrical connection; 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 this application can be understood according to specific circumstances.

[0020] See also Figure 1-4The utility model provides a technical solution: a plastic pipe connection device, including a workbench 1, a pair of lower clamping blocks 2 are arranged on the upper side of the workbench 1, an upper clamping block 3 is hinged on the upper surface of the lower clamping block 2, a pipe body 4 is arranged between the upper surface of the lower clamping block 2 and the lower surface of the upper clamping block 3, a connecting head 5 is slidably connected to the outer wall of the pipe body 4, a connecting pipe 6 is arranged on the adjacent side of the pair of connecting heads 5, a gasket 7 is arranged on the adjacent side of the pair of connecting heads 5 and the connecting pipe 6, an air bag 8 is fixedly connected to the inner wall of the connecting pipe 6, an air valve 9 is arranged on the inner wall of the connecting pipe 6, the lower end of the air valve 9 is communicated with the outer wall of the air bag 8, an evenly distributed mounting plate 10 is fixedly connected to the outer wall of the connecting head 5, a screw 11 is inserted into the inner wall of the mounting plate 10, and a nut 12 is threadedly connected to the outer wall of the screw 11; When in use, the two pipe bodies 4 are placed on the lower clamping block 2 respectively, and the two pipe bodies 4 are clamped and fixed by the cooperation of the upper clamping block 3 and the lower clamping block 2. First, the connecting head 5 is inserted into the outer wall of the pipe body 4 through the space between the two pipe bodies 4, and then the gasket 7 is inserted, and the connecting pipe 6 is inserted into the outer wall of one pipe body 4. The two pairs of lower clamping blocks 2 are brought close to each other to make the two pipe bodies 4 fit each other, and the screw 11 is inserted into the mounting plate 10. The nut 12 is tightened to make the connecting head 5, the connecting pipe 6 and the gasket 7 fit tightly. The airbag 8 is inflated through the valve mouth 9. The airbag 8 expands to clamp the two pipe bodies 4 to improve the sealing. The airbag 8 has good anti-expansion strength and pressure resistance, is not easily affected by thermal expansion and contraction, and has a good connection effect. The gasket 7 further improves the sealing and is not easy to cause leakage.

[0021] In this embodiment, specifically: the upper side of the outer wall of the connecting tube 6 is connected to a protective tube 13, and the outer wall of the protective tube 13 is threadedly connected to a protective cover 14; screwing the protective cover 14 onto the protective tube 13 can reduce air leakage and prevent the valve 9 from being blocked.

[0022] In this embodiment, specifically: the front side of the inner wall of the lower clamping block 2 is rotatably connected to a locking rod 15, and the outer wall of the locking rod 15 is threadedly connected to a locking block 16; the locking rod 15 is rotated upward to be perpendicular to the upper clamping block 3, and the locking block 16 is twisted to fit tightly with the upper clamping block 3, thereby clamping the pipe body 4.

[0023] In this embodiment, specifically: a pair of slide grooves 17 are opened on the inner wall of the workbench 1, and a slider 18 is slidably connected to the inner wall of the slide groove 17, and the upper surface of the slider 18 is fixedly connected to the lower surface of the lower clamping block 2; the slider 18 slides in the slide groove 17 and has good stability.

[0024] In this embodiment, specifically: the inner wall of the workbench 1 is rotatably connected to a bidirectional screw rod 19, the outer wall of the bidirectional screw rod 19 is threadedly connected to the inner wall of the slider 18, and the right end of the bidirectional screw rod 19 is fixedly connected to a rocker arm 20; rotating the rocker arm 20 drives the bidirectional screw rod 19, so that the two sliders 18 are close to each other, which is convenient for driving the pipeline body 4.

[0025] In this embodiment, specifically: the lower surface of the workbench 1 is fixedly connected with evenly distributed supporting legs 21 ; the supporting legs 21 are used to support and fix the workbench 1 .

[0026] The working principle of the utility model is as follows: when in use, the two pipe bodies 4 are respectively placed on the lower clamping block 2, the locking rod 15 is rotated upward to be perpendicular to the upper clamping block 3, the locking block 16 is twisted to fit tightly with the upper clamping block 3, so as to clamp the pipe body 4, first the connector 5 is inserted into the outer wall of the pipe body 4 through the space between the two pipe bodies 4, and then the gasket 7 is inserted, and the connecting pipe 6 is inserted into the outer wall of one pipe body 4, the rocker 20 is rotated to drive the two-way screw rod 19, so that the two sliders 18 are close to each other, so that the two pipe bodies 4 fit together, the screw rod 11 is inserted into the mounting plate 10, and the nut 12 is tightened to make the connector 5, the connecting pipe 6 and the gasket 7 fit closely, and the air bag 8 is inflated through the valve 9. The air bag 8 expands to clamp the two pipe bodies 4 to improve the sealing performance. The air bag 8 has good anti-expansion strength and pressure resistance, is not easily affected by thermal expansion and contraction, has a good connection effect, and the gasket 7 further improves the sealing performance, is not easy to cause leakage, does not require manual support during installation, has accurate positioning, and is easy to use.

[0027] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic pipe connection device, comprising a workbench (1), characterized in that: A pair of lower clamping blocks (2) are provided on the upper side of the workbench (1), an upper clamping block (3) is hingedly connected to the upper surface of the lower clamping block (2), a pipe body (4) is provided between the upper surface of the lower clamping block (2) and the lower surface of the upper clamping block (3), a connecting head (5) is slidably connected to the outer side wall of the pipe body (4), a connecting pipe (6) is provided on the adjacent side of the pair of connecting heads (5), and a pair of connecting heads (5) and the adjacent side of the connecting pipe (6) are both A gasket (7) is provided, the inner side wall of the connecting tube (6) is fixedly connected to an air bag (8), the inner side wall of the connecting tube (6) is provided with an air valve (9), the lower end of the air valve (9) is connected to the outer side wall of the air bag (8), the outer side wall of the connecting head (5) is fixedly connected to a uniformly distributed mounting plate (10), the inner side wall of the mounting plate (10) is inserted with a screw (11), and the outer side wall of the screw (11) is threadedly connected to a nut (12).

2. A plastic pipe connection device according to claim 1, characterized in that: The upper side of the outer wall of the connecting pipe (6) is connected to a protection pipe (13), and the outer wall of the protection pipe (13) is threadedly connected to a protection cover (14).

3. A plastic pipe connection device according to claim 1, characterized in that: The front side of the inner wall of the lower clamping block (2) is rotatably connected to a locking rod (15), and the outer wall of the locking rod (15) is threadedly connected to a locking block (16).

4. A plastic pipe connection device according to claim 1, characterized in that: The inner side wall of the workbench (1) is provided with a pair of slide grooves (17), the inner side wall of the slide groove (17) is slidably connected with a slider (18), and the upper surface of the slider (18) is fixedly connected to the lower surface of the lower clamping block (2).

5. A plastic pipe connection device according to claim 4, characterized in that: The inner side wall of the workbench (1) is rotatably connected to a bidirectional screw rod (19), the outer side wall of the bidirectional screw rod (19) is threadedly connected to the inner side wall of the slider (18), and the right end of the bidirectional screw rod (19) is fixedly connected to a rocker (20).

6. A plastic pipe connection device according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected with evenly distributed supporting legs (21).

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