Pipeline connecting assembly

Abstract

The utility model provides a pipeline connecting assembly which comprises a first flange plate, a first connecting pipe, a second connecting pipe and a second flange plate. The anti-loosening device is fixedly installed on the outer surface of the first flange plate and comprises an anti-loosening sleeve, a communicating groove and a limiting groove. According to the pipeline connecting assembly provided by the utility model, the first flange plate and the second flange plate are assembled on the surface of the pipeline through the bolt, and the moving block is pushed to be embedded into the limiting groove by the restoring elastic force of the spring, so that the anti-loosening device drives the first flange plate to be limited on the surface of the second flange plate; the pipeline connecting assembly is simple in structure and high in practicability, the limiting effect on the pipeline connecting assembly is improved, the connecting stability between the flange plates is kept, the connecting position of the two pipelines is prevented from being loosened, and the sealing effect of the pipeline connecting assembly is improved.

Description

Technical Field

[0001] The utility model relates to the field of pipeline connection, in particular to a pipeline connection component. Background Art

[0002] There are many ways to connect pipes. Here are some common ones: welding, threaded, flanged, clamp, socket and hot-melt.

[0003] Flange-connected pipes have the following advantages: high strength, good sealing, strong disassembly, wide applicability, high degree of standardization, high adjustability and reliability; they can withstand greater pressure and tension to ensure the stability of the pipe connection. Through suitable sealing gaskets, good sealing effects can be achieved, which facilitates the installation, disassembly and repair of pipes and is more convenient for later maintenance.

[0004] Flange, also known as flange flange or flange, is a part that connects pipes to each other and is used to connect pipe ends; it is also used in the inlet and outlet of equipment for the connection between two devices, such as reducer flange. Flange connection or flange joint refers to a detachable connection composed of flange, gasket and bolts as a combined sealing structure. Pipe flange refers to the flange used for piping in pipeline installations. It is used on equipment to refer to the inlet and outlet flanges of the equipment. There are holes on the flange, and the bolts connect the two flanges tightly. The flanges are sealed with gaskets. Flanges are divided into threaded connection (threaded connection) flanges, welding flanges and clamping flanges. Flanges are used in pairs.

[0005] The pipes are connected by flanges and the flanges are connected by bolts and threads. The fluid between the pipes will vibrate when it hits the pipes during transportation. The vibration will affect the connection of the bolts, which will easily loosen and affect the connection effect between the pipes.

[0006] Therefore, it is necessary to provide a pipeline connection assembly to solve the above technical problems. Utility Model Content

[0007] The utility model provides a pipeline connection component, which solves the problem that when fluid between pipelines hits pipelines during transportation, vibration will occur, the vibration effect will affect the connection of bolts, the bolts are easy to loosen, and the connection effect between pipelines is affected.

[0008] In order to solve the above technical problems, the utility model provides a pipeline connection assembly, comprising: a first flange, a first connecting pipe, a second connecting pipe and a second flange;

[0009] An anti-loosening device, the anti-loosening device is fixedly mounted on the outer surface of the first flange, the anti-loosening device comprises an anti-loosening sleeve, a connecting groove and a limiting groove;

[0010] A limiting device, wherein four limiting devices are respectively fixedly installed on the four sides of the surface of the second flange, and the limiting devices include a mounting block, a moving groove, a sliding groove, a sliding rod, a spring, a moving block, a sliding block and an extrusion surface;

[0011] The first flange is arranged on the outer surface of the first connecting pipe, the second connecting pipe is arranged at one end of the first connecting pipe, and the second flange is arranged on the outer surface of the second connecting pipe.

[0012] Preferably, the anti-loosening sleeve is fixedly mounted on the outer surface of the first flange, the connecting groove is opened in the middle of the top of the anti-loosening sleeve, and the four limiting grooves are respectively opened around the inner wall surface of the connecting groove.

[0013] Preferably, the mounting block is fixedly mounted on one side of the surface of the second flange, the movable groove is opened in the middle of one side of the mounting block, the two slide grooves are respectively connected to the two sides of the inner cavity wall of the movable groove, the slide rod is fixedly mounted inside the slide groove, the spring sleeve is arranged on one side of the outer surface of the slide rod, the slider is slidably mounted on one side of the outer surface of the slide rod, the movable block is fixedly mounted on one side of the slider, and the extrusion surface is arranged on one side of the surface of the movable block.

[0014] Preferably, bolts are threadedly engaged around the first flange and the second flange.

[0015] Preferably, a nut is threadedly engaged on one side of the outer surface of the bolt.

[0016] Preferably, an extrusion block is fixedly mounted on the surface of the connecting groove, and a leakage-proof groove is provided on the inner surface of the second flange.

[0017] Preferably, the extrusion block is made of rubber and is ring-shaped.

[0018] Compared with the related art, the pipeline connection assembly provided by the utility model has the following beneficial effects:

[0019] The utility model provides a pipeline connection component, wherein a first flange and a second flange are assembled on the surface of a pipeline by means of bolts, and the restoring elastic force of a spring pushes a moving block to be embedded into the interior of a limiting groove, so that an anti-loosening device drives the first flange to be restricted on the surface of the second flange, and the first flange and the second flange cannot be loosened after being assembled. The device has a simple structure and strong practicality, improves the limiting effect of the pipeline connection component, maintains the stability of the connection between the flanges, avoids loosening of the connection between the two pipelines, and improves the sealing effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1A schematic structural diagram of a first embodiment of a pipeline connection assembly provided by the utility model;

[0021] Figure 2 for Figure 1 The bottom view of the second connecting pipe is shown;

[0022] Figure 3 for Figure 1 The schematic diagram of the anti-loosening device structure shown;

[0023] Figure 4 for Figure 2 The schematic diagram of the limit device structure shown;

[0024] Figure 5 A schematic structural diagram of a second embodiment of a pipeline connection assembly provided by the utility model;

[0025] Figure 6 for Figure 5 An enlarged schematic diagram of point A is shown.

[0026] Numbers in the figure: 1. first flange, 2. first connecting pipe, 3. second connecting pipe, 4. second flange, 5. anti-loosening device, 51. anti-loosening sleeve, 52. connecting groove, 53. limiting groove, 6. limiting device, 61. mounting block, 62. moving groove, 63. slide groove, 64. slide rod, 65. spring, 66. moving block, 67. slide block, 68. extrusion surface, 7. bolt, 8. nut, 9. extrusion block, 10. anti-leakage groove. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic structural diagram of a first embodiment of a pipeline connection assembly provided by the utility model; Figure 2 for Figure 1 The bottom view of the second connecting pipe is shown; Figure 3 for Figure 1 The schematic diagram of the anti-loosening device structure shown; Figure 4 for Figure 2 A schematic diagram of the limit device structure is shown. A pipeline connection assembly comprises: a first flange 1, a first connecting pipe 2, a second connecting pipe 3 and a second flange 4;

[0029] An anti-loosening device 5, which is fixedly mounted on the outer surface of the first flange 1, and includes an anti-loosening sleeve 51, a connecting groove 52 and a limiting groove 53;

[0030] Limiting devices 6, four of which are fixedly mounted on the four sides of the surface of the second flange 4, and the limiting devices 6 include a mounting block 61, a moving groove 62, a sliding groove 63, a sliding rod 64, a spring 65, a moving block 66, a sliding block 67 and an extrusion surface 68;

[0031] The first flange 1 is disposed on the outer surface of the first connecting pipe 2 , the second connecting pipe 3 is disposed at one end of the first connecting pipe 2 , and the second flange 4 is disposed on the outer surface of the second connecting pipe 3 .

[0032] The anti-loosening sleeve 51 is fixedly installed on the outer surface of the first flange 1 , the connecting groove 52 is opened in the middle of the top of the anti-loosening sleeve 51 , and the four limiting grooves 53 are respectively opened around the inner wall surface of the connecting groove 52 .

[0033] The mounting block 61 is fixedly mounted on one side of the surface of the second flange 4, the movable groove 62 is opened in the middle of one side of the mounting block 61, the two slide grooves 63 are respectively connected to the two sides of the inner cavity wall of the movable groove 62, the slide rod 64 is fixedly mounted inside the slide groove 63, the spring 65 is sleeved on one side of the outer surface of the slide rod 64, the slider 67 is slidably mounted on one side of the outer surface of the slide rod 64, the movable block 66 is fixedly mounted on one side of the slider 67, and the extrusion surface 68 is arranged on one side of the surface of the movable block 66.

[0034] Bolts 7 are threadedly engaged around the first flange 1 and the second flange 4 .

[0035] A nut 8 is threadedly engaged on one side of the outer surface of the bolt 7 .

[0036] One end of the spring 65 is fixedly connected to the inner wall surface of the slide groove 63, and the other end of the spring 65 is fixedly connected to the surface of the slider 67. The restoring elastic force of the spring 65 pushes the slider 67, and the slider 67 drives the moving block 66 to embed into the interior of the limit position groove 53.

[0037] The working principle of a pipeline connection assembly provided by the utility model is as follows:

[0038] During operation, firstly, the first flange 1 is sleeved on one side of the surface of the first connecting pipe 2, and the second flange 4 is sleeved on one end of the outer surface of the second connecting pipe 3, and the ends of the first connecting pipe 2 and the second connecting pipe 3 are connected, and the first flange 1 and the second flange 4 are docked by bolts 7, so that the ends of the first connecting pipe 2 and the second connecting pipe 3 are connected together, and the nut 8 is threadedly engaged on the outer surface of the bolt 7 to prevent loosening.

[0039] When the first flange 1 and the second flange 4 are fitted together, the anti-loosening sleeve 51 is sleeved on the outer surface of the second flange 4, and the surface of the anti-loosening sleeve 51 fits the extrusion surface 68 and is squeezed to squeeze the moving block 66 into the moving groove 62, and the moving block 66 drives the slider 67 to slide along the surface of the slide rod 64 and squeeze the spring 65.

[0040] When the first flange 1 and the second flange 4 are completely fitted together, the limiting groove 53 and the moving block 66 are aligned, the moving block 66 is not restricted, and the restoring elastic force of the spring 65 pushes the slider 67, and the slider 67 drives the moving block 66 to move. The side of the moving block 66 with the extrusion surface 68 is embedded in the interior of the limiting groove 53, restricting the anti-loosening sleeve 51, thereby restricting the first flange 1 and the second flange 4, and then installing the bolts 7 and the nuts 8, so that the first flange 1 and the second flange 4 are restricted and assembled together.

[0041] Compared with the related art, the pipeline connection assembly provided by the utility model has the following beneficial effects:

[0042] The utility model provides a pipeline connection component, wherein a first flange 1 and a second flange 4 are assembled on the surface of a pipeline by means of bolts 7, and the restoring elastic force of a spring 65 pushes a moving block 66 to be embedded into the interior of a limiting groove 53, so that an anti-loosening device 5 drives the first flange 1 to be restricted on the surface of the second flange 4, and the first flange 1 and the second flange 4 cannot be loosened after being assembled. The device has a simple structure and strong practicality, improves the limiting effect of the pipeline connection component, maintains the stability of the connection between the flanges, avoids loosening of the connection between the two pipelines, and improves the sealing effect of the device.

[0043] Second embodiment

[0044] Please refer to Figure 5 and Figure 6 Based on the pipeline connection assembly provided by the first embodiment of the present application, the second embodiment of the present application provides another pipeline connection assembly. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0045] Specifically, the difference of a pipe connection assembly provided in the second embodiment of the present application is that, in a pipe connection assembly, an extrusion block 9 is fixedly installed on the surface of the connecting groove 52, and a leakage-proof groove 10 is opened on the inner surface of the second flange 4.

[0046] The extrusion block 9 is made of rubber and is ring-shaped.

[0047] The extrusion blocks 9 are arranged in four layers and are fixedly installed at the bottom of the inner wall of the connecting groove 52 in an equidistant manner from top to bottom. The leakproof grooves 10 are in the shape of an annular groove and are arranged in four layers and are opened in an equidistant manner from top to bottom on the outer surface of the second flange 4.

[0048] The working principle of a pipeline connection assembly provided by the utility model is as follows:

[0049] During operation, the anti-loosening sleeve 51 is firstly sleeved on the surface of the second flange 4 when the first flange 1 and the second flange 4 are assembled, and the rubber extrusion block 9 is embedded into the anti-leakage groove 10 to seal the connection between the anti-loosening sleeve 51 and the second flange 4.

[0050] Compared with the related art, the pipeline connection assembly provided by the utility model has the following beneficial effects:

[0051] The utility model provides a pipeline connection component, which seals the connection between an anti-loosening sleeve 51 and a second flange 4 by embedding an extrusion block 9 made of rubber into the inside of a leak-proof groove 10 to prevent liquid or gas from leaking out. The device has a simple structure and strong practicality. When the anti-loosening sleeve 51 is sleeved on the surface of the second flange 4 when the first flange 1 and the second flange 4 are assembled, the sealing effect between the first flange 1 and the second flange 4 is improved, thereby improving the practicality of the device.

[0052] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A pipe connection assembly, characterized in that: include: A first flange, a first connecting pipe, a second connecting pipe and a second flange; An anti-loosening device, the anti-loosening device is fixedly mounted on the outer surface of the first flange, the anti-loosening device comprises an anti-loosening sleeve, a connecting groove and a limiting groove; A limiting device, wherein four limiting devices are respectively fixedly installed on the four sides of the surface of the second flange, and the limiting devices include a mounting block, a moving groove, a sliding groove, a sliding rod, a spring, a moving block, a sliding block and an extrusion surface; The first flange is arranged on the outer surface of the first connecting pipe, the second connecting pipe is arranged at one end of the first connecting pipe, and the second flange is arranged on the outer surface of the second connecting pipe.

2. A pipe connection assembly according to claim 1, characterized in that: The anti-loosening sleeve is fixedly installed on the outer surface of the first flange, the connecting groove is arranged in the middle of the top of the anti-loosening sleeve, and the four limiting grooves are respectively arranged around the inner wall surface of the connecting groove.

3. A pipe connection assembly according to claim 1, characterized in that: The mounting block is fixedly mounted on one side of the surface of the second flange, the movable groove is opened in the middle of one side of the mounting block, the two slide grooves are respectively connected to the two sides of the inner cavity wall of the movable groove, the slide rod is fixedly mounted inside the slide groove, the spring sleeve is arranged on one side of the outer surface of the slide rod, the slider is slidably mounted on one side of the outer surface of the slide rod, the movable block is fixedly mounted on one side of the slider, and the extrusion surface is arranged on one side of the surface of the movable block.

4. A pipe connection assembly according to claim 1, characterized in that: Bolts are threadedly engaged around the first flange and the second flange.

5. A pipe connection assembly according to claim 4, characterized in that: A nut is threadedly engaged on one side of the outer surface of the bolt.

6. A pipe connection assembly according to claim 1, characterized in that: An extrusion block is fixedly mounted on the surface of the communicating groove, and a leakage-proof groove is provided on the inner surface of the second flange.

7. A pipe connection assembly according to claim 6, characterized in that: The extrusion block is made of rubber material and is ring-shaped.

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