Compression type groove connecting piece

Abstract

The utility model discloses a compression type groove connecting piece, which belongs to the technical field of groove connection and comprises a first pipeline, a second pipeline, an inner connecting pipe assembly, an outer connecting pipe assembly and a connecting assembly. When a first pipeline and a second pipeline are connected, an operator firstly sleeves the inner pipe in the first pipeline and the second pipeline and preliminarily connects the first pipeline and the second pipeline; then an operator rotates the first external connection pipe and the second external connection pipe to enable the first external connection pipe and the second external connection pipe to be attached to the outer walls of the first pipeline and the second pipeline, and then the operator rotates a bolt and a nut to extrude and connect the first external connection pipe and the second external connection pipe; and meanwhile, the first sealing rubber layer and the second sealing rubber layer are compressed to seal the joint of the first pipeline and the second pipeline, only one side of the external connecting pipe assembly needs to be fixed, the connecting mode is simple and convenient, a large amount of time is saved, and the working efficiency of operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of trench connection, specifically to a compression type trench connecting piece. BACKGROUND

[0002] In the field of building water supply and drainage, fire fighting, heating and ventilation, pipeline connection is a crucial link. Traditional pipeline connection methods, such as welding and threaded connection, have many limitations.

[0003] Some existing trench connecting pieces have deficiencies in installation convenience. The connection method of the existing trench connecting piece is mostly to wrap the outer side of the connecting pipe of two pipelines up and down by two semicircular pipelines, then align the connecting holes of the semicircular pipelines and screw and nut cooperate to screw and fix the two sides of the outer semicircular pipeline. The installation process is troublesome, which increases the construction difficulty and wastes a lot of time, and when the outer connecting pipeline is damaged, the inner pipeline will be exposed and disconnected, causing leakage.

[0004] Therefore, it is necessary to invent a compression type trench connecting piece to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the problems of the existing trench connecting piece, such as troublesome installation process, increased construction difficulty, wasted time and cost, exposed and disconnected inner pipeline after outer connecting pipeline is damaged, and leakage, and provides a compression type trench connecting piece.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a first pipeline and a second pipeline are provided, an inner connecting pipe assembly is arranged in the first pipeline and the second pipeline, a group of outer connecting pipe assemblies are arranged outside the first pipeline and the second pipeline, and a connecting assembly for fixation is arranged on the two groups of outer connecting pipe assemblies.

[0007] As a further description of the above technical scheme, the inner connecting pipe assembly comprises a fixed block, an inner pipe and a first sealing rubber layer, the inner pipe is arranged inside the first pipeline and the second pipeline and between the first pipeline and the second pipeline, the fixed block is fixedly connected to the outer side of the middle part of the inner pipe, and the first sealing rubber layer is fixedly sleeved on the outer side of the inner pipe.

[0008] As a further description of the above technical solution, the outer tube assembly includes a fixed shaft, a first connecting plate, a first outer tube, a second sealing rubber layer, a second connecting plate, and a second outer tube. The fixed shaft is fixedly connected to both sides of the fixed block. The first connecting plate is rotatably sleeved on the outside of the fixed shaft. The first outer tube is fixedly connected to one end of the first connecting plate. The second connecting plate is rotatably sleeved on the outside of the fixed shaft. The second outer tube is fixedly connected to one end of the second connecting plate and located below the first outer tube. Both the first and second outer tubes are semi-circular tubes. The second sealing rubber layer is fixedly connected to the inner walls of the first and second outer tubes.

[0009] As a further description of the above technical solution, the outer pipe assembly also includes a limiting plate, which is fixedly connected to the end of the fixed shaft away from the fixed block;

[0010] As a further description of the above technical solution, the connecting assembly includes a first fixing plate and a second fixing plate. The first fixing plate is fixedly connected to the end of the first outer tube that is away from the fixing shaft, and the second fixing plate is fixedly connected to the end of the second outer tube that is away from the fixing shaft. Both the first fixing plate and the second fixing plate are provided with connecting holes.

[0011] As a further description of the above technical solution, the connecting assembly also includes a fixing bolt and a fixing nut. The fixing bolt passes through the connecting hole through the first fixing plate and the second fixing plate, and the fixing nut is threaded onto the outer side of the bottom of the fixing bolt.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This utility model, by providing an inner pipe assembly and an outer pipe assembly, facilitates the connection of the first and second pipes. The operator first places the inner pipe inside the first and second pipes for initial connection. Then, the operator rotates the first and second outer pipes to adhere them to the outer walls of the first and second pipes. Finally, the operator rotates the bolts and nuts to press and connect the first and second outer pipes, simultaneously compressing the first and second sealing rubber layers to seal the connection. Only one side of the outer pipe assembly needs to be fixed. This simple and convenient connection method saves considerable time and improves operator efficiency. Furthermore, the inner and outer pipes connect and fix both the inside and outside of the first and second pipes, increasing the strength, stability, and sealing of the connection. Attached Figure Description

[0014] Figure 1 This is a front view of the overall structure of a compression grooved connector according to one embodiment of the present disclosure.

[0015] Figure 2 This is a schematic diagram of an outer pipe assembly of a compression grooved connector according to one embodiment of the present disclosure.

[0016] Figure 3 This is a schematic diagram of a connection assembly of a compression grooved connector according to one embodiment of the present disclosure.

[0017] Figure 4 This is a schematic diagram of an inner pipe assembly of a compression grooved connector according to one embodiment of the present disclosure.

[0018] The specific labels in the attached figures are as follows:

[0019] 1. First pipe; 2. Second pipe; 3. Inner pipe assembly; 31. Fixing block; 32. Inner pipe; 33. First sealing rubber layer; 4. Outer pipe assembly; 41. Fixing shaft; 42. First connecting plate; 43. First outer pipe; 44. Second sealing rubber layer; 45. Second connecting plate; 46. Second outer pipe; 47. Limiting plate; 5. Connecting assembly; 51. First fixing plate; 52. Second fixing plate; 53. Fixing bolt; 54. Fixing nut. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0021] like Figure 1 — Figure 4 As shown, a compression-type grooved connector includes a first pipe 1 and a second pipe 2. An inner pipe assembly 3 is sleeved inside the first pipe 1 and the second pipe 2. An outer pipe assembly 4 is sleeved on the outside of the first pipe 1 and the second pipe 2 respectively. A connecting assembly 5 for fixing is provided on both sets of outer pipe assemblies 4.

[0022] like Figures 2-3 As shown in the present disclosure, the inner tube assembly 3 includes a fixing block 31, an inner tube 32 and a first sealing rubber layer 33. The inner tube 32 is sleeved inside the first pipe 1 and the second pipe 2 and is located between the first pipe 1 and the second pipe 2. The fixing block 31 is fixedly connected to the outer side of the middle part of the inner tube 32, and the first sealing rubber layer 33 is fixedly sleeved on the outer side of the inner tube 32.

[0023] like Figures 2-4As shown, in a preferred embodiment, the outer tube assembly 4 includes a fixed shaft 41, a first connecting plate 42, a first outer tube 43, a second sealing rubber layer 44, a second connecting plate 45, a second outer tube 46, and a limiting plate 47. The fixed shaft 41 is fixedly connected to both sides of the fixed block 31. The first connecting plate 42 is rotatably sleeved on the outside of the fixed shaft 41. The first outer tube 43 is fixedly connected to one end of the first connecting plate 42. The second connecting plate 45 is rotatably sleeved on the outside of the fixed shaft 41. The second outer tube 46 is fixedly connected to one end of the second connecting plate 45 and is located below the first outer tube 43. Both the first outer tube 43 and the second outer tube 46 are semi-circular tubes. The second sealing rubber layer 44 is fixedly connected to the inner walls of the first outer tube 43 and the second outer tube 46. The limiting plate 47 is fixedly connected to the end of the fixed shaft 41 away from the fixed block 31.

[0024] like Figure 3 As shown in this disclosure, the connecting assembly 5 includes a first fixing plate 51, a second fixing plate 52, a fixing bolt 53, and a fixing nut 54. The first fixing plate 51 is fixedly connected to the end of the first outer tube 43 away from the fixing shaft 41, and the second fixing plate 52 is fixedly connected to the end of the second outer tube 46 away from the fixing shaft 41. Both the first fixing plate 51 and the second fixing plate 52 are provided with connecting holes. The fixing bolt 53 passes through the connecting holes and passes through the first fixing plate 51 and the second fixing plate 52. The fixing nut 54 is threaded onto the outer side of the bottom of the fixing bolt 53.

[0025] Therefore, when connecting the first pipe 1 and the second pipe 2, the operator first places both ends of the inner tube 32 inside the first pipe 1 and the second pipe 2 respectively to make a preliminary connection between the first pipe 1 and the second pipe 2. Then, the operator rotates the first outer tube 43 and the second outer tube 46 so that the first outer tube 43 and the second outer tube 46 are attached to the outer wall of the first pipe 1 and the second pipe 2. Then, the operator rotates the bolts and nuts to squeeze and connect the first outer tube 43 and the second outer tube 46, while compressing the first sealing rubber layer 33 and the second sealing rubber layer 44 to seal the connection between the first pipe 1 and the second pipe 2.

[0026] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. Compression type trench connector comprising a first pipe (1) and a second pipe (2), characterized in that: The first pipe (1) and the second pipe (2) are sleeved with an inner pipe assembly (3), and a group of outer pipe assemblies (4) are sleeved outside the first pipe (1) and the second pipe (2), respectively, and the two groups of outer pipe assemblies (4) are provided with connecting assemblies (5) for fixing.

2. A compression-type trench connector according to claim 1, wherein: The inner pipe assembly (3) comprises a fixed block (31), an inner pipe (32) and a first sealing rubber layer (33), the inner pipe (32) is sleeved inside the first pipe (1) and the second pipe (2) and between the first pipe (1) and the second pipe (2), the fixed block (31) is fixedly connected to the outer side of the middle part of the inner pipe (32), and the first sealing rubber layer (33) is fixedly sleeved outside the inner pipe (32).

3. A compression-type trench connector according to claim 2, wherein: The outer pipe assembly (4) comprises a fixed shaft (41), a first connecting plate (42), a first outer pipe (43), a second sealing rubber layer (44), a second connecting plate (45) and a second outer pipe (46), the fixed shaft (41) is fixedly connected to both sides of the fixed block (31), the first connecting plate (42) is rotatably sleeved outside the fixed shaft (41), the first outer pipe (43) is fixedly connected to one end of the first connecting plate (42), the second connecting plate (45) is rotatably sleeved outside the fixed shaft (41), the second outer pipe (46) is fixedly connected to one end of the second connecting plate (45) and below the first outer pipe (43), the first outer pipe (43) and the second outer pipe (46) are both semicircular pipes, and the second sealing rubber layer (44) is fixedly connected to the inner walls of the first outer pipe (43) and the second outer pipe (46).

4. A compression-type trench connector according to claim 3, wherein: The outer pipe assembly (4) further comprises a limiting plate (47), and the limiting plate (47) is fixedly connected to the end of the fixed shaft (41) away from the fixed block (31).

5. A compression-type trench connector according to claim 4, wherein: The connecting assembly (5) comprises a first fixed plate (51) and a second fixed plate (52), the first fixed plate (51) is fixedly connected to the end of the first outer pipe (43) away from the fixed shaft (41), the second fixed plate (52) is fixedly connected to the end of the second outer pipe (46) away from the fixed shaft (41), and the first fixed plate (51) and the second fixed plate (52) are both provided with connecting holes.

6. A compression-type trench connector according to claim 5, wherein: The connecting assembly (5) further comprises a fixed bolt (53) and a fixed nut (54), the fixed bolt (53) passes through the first fixed plate (51) and the second fixed plate (52) through the connecting holes, and the fixed nut (54) is threadedly sleeved outside the bottom of the fixed bolt (53).

Images