Connector for repairing underground pipeline

Abstract

The utility model relates to the technical field of underground pipelines, in particular to a joint for repairing an underground pipeline, which comprises a base arranged on the surface of a connecting pipe, a movable plate arranged on the surface of a second connecting pipe, a fixed plate arranged on the side surface of the second connecting pipe, a limiting plate arranged on the side surface of a pressing plate, and a fixed bolt screwed in the limiting plate. The pipeline connecting device has the beneficial effects that when two groups of pipelines need to be connected under the condition that the distance between the two groups of pipelines is large, firstly, the second connecting pipe can be directly pulled to enable the base to move in the sliding groove, so that the distance between the end face of the second connecting pipe and the end face of the connecting pipe is increased, and the second connecting pipe and the connecting pipe are fixed after being moved by rotating the positioning bolt; and finally, a fixing bolt is rotated to enable a pressing plate to extrude a sealing gasket, so that the gap between the connecting pipe and the second connecting pipe can be sealed by utilizing the extruded sealing ring, and the two groups of pipelines can be conveniently connected by utilizing the stretched connecting pipe and the second connecting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of underground pipelines, in particular to a joint for repairing underground pipelines. Background Art

[0002] The city's underground pipelines refer to the pipelines and their ancillary facilities for water supply, drainage, gas, heat, electricity, communications, radio and television, industry, etc. within the city. They are important infrastructure and "lifelines" to ensure the operation of the city.

[0003] In the prior art, when the welding part of the underground pipeline is corroded and damaged, a part of the pipeline end is usually cut off, and then a fixed joint is connected between the two groups of pipelines.

[0004] However, the size of traditional joint equipment is relatively fixed, so there are certain requirements on the distance between two pipes, and the applicability is low. Therefore, the utility model proposes a joint for underground pipeline repair to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a joint for repairing underground pipelines to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a joint for repairing underground pipelines, the joint for repairing underground pipelines comprising: a connecting pipe, a base is arranged on the surface of the connecting pipe, a sliding groove is opened on the surface of the base, a positioning bolt is screwed on the side of the base, and a sealing gasket is sleeved on the surface of the connecting pipe;

[0007] A second connecting pipe, a movable plate is arranged on the surface of the second connecting pipe, a vertical plate is arranged on the surface of the movable plate, and a fixed plate is arranged on the side of the second connecting pipe;

[0008] A pressing plate is provided with a limiting plate on the side of the pressing plate, and fixing bolts are screwed in the limiting plate.

[0009] Preferably, the base is fixedly connected to the surface of the connecting pipe, and two groups of bases are provided, and the two groups of bases are symmetrically distributed up and down with respect to the connecting pipe.

[0010] Preferably, the movable plate is fixedly connected to the surface of the second connecting tube, the vertical plate is fixedly connected to the surface of the movable plate, two groups of vertical plates are provided, and the two groups of vertical plates are symmetrically distributed about the movable plate.

[0011] Preferably, the fixing plate is fixedly connected to the side of the second connecting pipe, a threaded hole is provided on the side of the fixing plate, and one end of the fixing bolt can be screwed into the threaded hole provided on the side of the fixing plate.

[0012] Preferably, the pressing plate is an annular plate structure, one end of the limiting plate is fixedly connected to the side of the pressing plate, a second sealing ring is provided on the inner ring surface of the pressing plate, and a sealing strip is provided on the surface of the pressing plate.

[0013] Preferably, the movable plate and the second connecting pipe can slide in a slide groove provided on the surface of the base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model discloses a joint for repairing underground pipes. When it is needed to connect two groups of pipes with a large spacing, the second connecting pipe can be directly pulled to displace the base in the slide groove, thereby increasing the spacing between the end faces of the second connecting pipe and the connecting pipe, and then the positioning bolt is rotated to move the second connecting pipe and the connecting pipe and fix them, and finally the fixing bolt is rotated to squeeze the sealing gasket, so that the gap between the connecting pipe and the second connecting pipe can be sealed by the squeezed sealing gasket. In this way, the two groups of pipes can be connected more conveniently by using the stretched connecting pipe and the second connecting pipe, thus avoiding the problem that the size of the traditional joint equipment is relatively fixed, so there are certain requirements on the spacing between the two pipes and the low applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional view of the structure of the utility model;

[0018] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 This is a schematic diagram of the structure of the pressing plate of the utility model;

[0020] Figure 5 for Figure 4 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1. connecting pipe; 2. base; 3. slide groove; 4. positioning bolt; 5. second connecting pipe; 6. movable plate; 7. vertical plate; 8. fixed plate; 9. pressing plate; 10. limit plate; 11. fixing bolt; 12. sealing gasket; 13. second sealing ring; 14. sealing strip. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other. Embodiment 1

[0026] See also Figures 1 to 5The utility model provides a technical solution: a joint for repairing underground pipelines, the joint for repairing underground pipelines comprising: a connecting pipe 1, a base 2 is arranged on the surface of the connecting pipe 1, a slide groove 3 is opened on the surface of the base 2, a positioning bolt 4 is screwed on the side of the base 2, and a sealing gasket 12 is sleeved on the surface of the connecting pipe 1; a second connecting pipe 5, a movable plate 6 is arranged on the surface of the second connecting pipe 5, a vertical plate 7 is arranged on the surface of the movable plate 6, and a fixed plate 8 is arranged on the side of the second connecting pipe 5; a pressing plate 9, a limiting plate 10 is arranged on the side of the pressing plate 9, and a fixing bolt 11 is screwed in the limiting plate 10;

[0027] When it is necessary to connect two groups of pipes with a large distance between them, first, the second connecting pipe 5 can be directly pulled to displace the base 2 in the slide groove 3, so that the distance between the end face of the second connecting pipe 5 and the end face of the connecting pipe 1 is increased, and the positioning bolt 4 is rotated to move the second connecting pipe 5 and the connecting pipe 1 and then fix them, and finally, the fixing bolt 11 is rotated to make the pressing plate 9 squeeze the sealing gasket 12, so that the squeezed sealing gasket 12 can be used to seal the gap between the connecting pipe 1 and the second connecting pipe 5, so that the stretched connecting pipe 1 and the second connecting pipe 5 can be used to connect the two groups of pipes more conveniently. Embodiment 2

[0028] On the basis of the first embodiment, in order to facilitate the connection of two groups of pipes with a large spacing, a connecting pipe 1 and a second connecting pipe 5 are provided, the base 2 is fixedly connected to the surface of the connecting pipe 1, two groups of bases 2 are provided, and the two groups of bases 2 are symmetrically distributed about the connecting pipe 1, the movable plate 6 is fixedly connected to the surface of the second connecting pipe 5, the vertical plate 7 is fixedly connected to the surface of the movable plate 6, two groups of vertical plates 7 are provided, and the two groups of vertical plates 7 are symmetrically distributed about the movable plate 6, and the movable plate 6 and the second connecting pipe 5 can slide in the slide groove 3 opened on the surface of the base 2;

[0029] When in use, the second connecting tube 5 can be directly pulled outward to move the movable plate 6 in the slide groove 3. After the second connecting tube 5 is moved to a suitable position, the positioning bolt 4 arranged on the side of the base 2 can be rotated to squeeze the end face of the positioning bolt 4 and the vertical plate 7. The second connecting tube 5 is fixed by squeezing the surface of the vertical plate 7 by multiple groups of positioning bolts 4, so that the stretched connecting tube 1 and the second connecting tube 5 can be conveniently connected to the pipeline joint. Embodiment 3

[0030] On the basis of the second embodiment, in order to increase the sealing between the second connecting pipe 5 and the connecting pipe 1, a sealing gasket 12 is provided, the fixing plate 8 is fixedly connected to the side of the second connecting pipe 5, a threaded hole is provided on the side of the fixing plate 8, one end of the fixing bolt 11 can be screwed into the threaded hole provided on the side of the fixing plate 8, the pressing plate 9 is an annular plate structure, one end of the limiting plate 10 is fixedly connected to the side of the pressing plate 9, a second sealing ring 13 is provided on the inner ring surface of the pressing plate 9, and a sealing strip 14 is provided on the surface of the pressing plate 9;

[0031] When the second connecting pipe 5 is fixedly connected to the connecting pipe 1, the fixing bolt 11 can be rotated to make the fixing bolt 11 screwed into the fixing plate 8. By rotating the fixing bolt 11, the pressing plate 9 squeezes the sealing gasket 12 so that the sealing gasket 12 seals the gap between the connecting pipe 1 and the second connecting pipe 5. The second sealing ring 13 arranged on the inner annular surface of the pressing plate 9 cooperates with the sealing strip 14 to improve the sealing between the pressing plate 9 and the connecting pipe 1 on the one hand, and also improves the sealing between the connecting pipe 1 and the second connecting pipe 5 on the other hand.

[0032] In actual use, first, the second connecting tube 5 can be directly pulled to displace the base 2 in the slide groove 3, thereby increasing the distance between the end face of the second connecting tube 5 and the end face of the connecting tube 1, and then the positioning bolt 4 is rotated to move the second connecting tube 5 and the connecting tube 1 and fix them, and finally, the fixing bolt 11 is rotated to make the pressing plate 9 squeeze the sealing gasket 12, so that the squeezed sealing gasket 12 can be used to seal the gap between the connecting tube 1 and the second connecting tube 5, so that the stretched connecting tube 1 and the second connecting tube 5 can be used to connect the two groups of pipes more conveniently, which avoids the problem that the size of traditional joint equipment is relatively fixed, and therefore has certain requirements on the distance between the two pipes and low applicability.

[0033] Although the 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 joint for repairing underground pipelines, characterized in that: The underground pipeline repair joint comprises: a connecting pipe (1), a base (2) is arranged on the surface of the connecting pipe (1), a sliding groove (3) is opened on the surface of the base (2), a positioning bolt (4) is screwed on the side of the base (2), and a sealing gasket (12) is sleeved on the surface of the connecting pipe (1); A second connecting tube (5), a movable plate (6) being arranged on the surface of the second connecting tube (5), a vertical plate (7) being arranged on the surface of the movable plate (6), and a fixed plate (8) being arranged on the side of the second connecting tube (5); A pressing plate (9) is provided on the side of the pressing plate (9), and a fixing bolt (11) is screwed into the limiting plate (10).

2. The underground pipeline repair joint according to claim 1, characterized in that: The base (2) is fixedly connected to the surface of the connecting pipe (1), and two groups of bases (2) are provided. The two groups of bases (2) are symmetrically distributed up and down with respect to the connecting pipe (1).

3. The underground pipeline repair joint according to claim 1, characterized in that: The movable plate (6) is fixedly connected to the surface of the second connecting tube (5), and the vertical plate (7) is fixedly connected to the surface of the movable plate (6). Two groups of vertical plates (7) are provided, and the two groups of vertical plates (7) are symmetrically distributed with respect to the movable plate (6).

4. The underground pipeline repair joint according to claim 1, characterized in that: The fixing plate (8) is fixedly connected to the side of the second connecting pipe (5), and a threaded hole is provided on the side of the fixing plate (8). One end of the fixing bolt (11) can be screwed into the threaded hole provided on the side of the fixing plate (8).

5. The underground pipeline repair joint according to claim 1, characterized in that: The pressing plate (9) is an annular plate-shaped structure, one end of the limiting plate (10) is fixedly connected to the side surface of the pressing plate (9), a second sealing ring (13) is provided on the inner ring surface of the pressing plate (9), and a sealing strip (14) is provided on the surface of the pressing plate (9).

6. The underground pipeline repair joint according to claim 1, characterized in that: The movable plate (6) and the second connecting pipe (5) can slide in a sliding groove (3) provided on the surface of the base (2).

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