Pipeline connecting structure

Abstract

The pipeline connecting structure comprises a connecting pipe, a water inlet pipe and a water outlet pipe, the side walls of the two ends of the connecting pipe are each internally provided with a first trapezoid circular ring wall, a first annular wall and a first conical wall in sequence, and the two first trapezoid circular ring walls are located on the outermost sides of the two ends of the connecting pipe respectively; external threads are arranged on the side walls of the two ends of the outer ring of the connecting pipe, connectors are fixedly connected to one end of the water inlet pipe and one end of the water outlet pipe, and a second conical wall, a second annular wall and a second trapezoidal circular ring wall are sequentially arranged at one ends of the two connectors; the first trapezoid circular ring wall, the first annular wall and the first conical wall are matched with the second conical wall, the second annular wall and the second trapezoid circular ring wall. Through mutual cooperation of the supporting ring, the limiting ring, the rotating rod, the fixing ring and other components, the water pipe can be quickly connected by screwing the fixing ring without screwing a plurality of bolts, so that the mounting or dismounting efficiency of the water pipe is improved, and the operation is simple, convenient and quick.

Description

Technical Field

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

[0002] Municipal construction is an important part of municipal activities. It is the execution stage of planning and design. It is the construction of various public facilities and undertakings hosted by the city government according to the overall deployment of municipal planning, such as roads, drainage, bridges, etc. It aims to prosper the urban economy, facilitate the production and living environment of citizens, and promote the development of the city's material and spiritual civilization. The content and scope of municipal construction is dynamically developing. Municipal engineering construction is only a traditional concept of municipal construction and is an important part of it. Municipal water supply and drainage pipelines refer to rainwater and sewage pipes under municipal roads, which are usually called municipal drainage pipes in engineering.

[0003] For example, Chinese patent publication number CN219712601U discloses a drainage pipe connection structure, which relates to the technical field of drainage pipe connection structure, including a fixed cylinder, which is hollow in layout, and both ends of the fixed cylinder are open, the drainage pipe is movably inserted into the open end of the fixed cylinder, and the inner diameter of the middle part of the fixed cylinder is narrower than the diameter of the two ends of the fixed cylinder, the middle part of the fixed cylinder is provided with a support member for reinforcing support of the fixed cylinder, and the end side of the fixed cylinder is provided with a connecting component for tightly connecting the drainage pipe to the fixed cylinder.

[0004] However, in the above solution, multiple bolts need to be screwed when connecting or disassembling the drainage pipe, thereby reducing the installation or disassembly efficiency of the drainage pipe and being inconvenient. Utility Model Content

[0005] The utility model provides a pipeline connection structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A pipeline connection structure comprises a connecting pipe and an inlet pipe and an outlet pipe, wherein the side walls at both ends of the connecting pipe are provided with a first trapezoidal annular wall, a first annular wall and a first conical wall in sequence, and the two first trapezoidal annular walls are respectively located at the outermost sides of the two ends of the connecting pipe, and the side walls at both ends of the outer ring of the connecting pipe are provided with external threads, and one end of the inlet pipe and the outlet pipe are fixedly connected with a connecting head, and one end of the two connecting heads are provided with a second conical wall, a second annular wall and a second trapezoidal annular wall in sequence, and the first trapezoidal annular wall, the first annular wall and the first conical wall are adapted to the second conical wall, the second annular wall and the second trapezoidal annular wall, and the side walls of the inlet pipe and the outlet pipe are provided with fixing devices.

[0008] As a further improvement of the present technical solution: the two fixing devices each include a fixing ring, the two fixing rings are respectively slidably connected to the outer side walls of the water inlet pipe and the water outlet pipe, the inner side walls of the two fixing rings are each provided with an internal thread, and the side walls of the water inlet pipe and the water outlet pipe are both fixedly connected with a limiting ring.

[0009] As a further improvement of the technical solution: two rotating rods are fixedly connected to the side walls of the two fixing rings.

[0010] As a further improvement of the technical solution: the surfaces of the four rotating rods are all provided with anti-slip grooves.

[0011] As a further improvement of the technical solution: rubber pads are provided on the surfaces of the two connecting heads.

[0012] As a further improvement of the technical solution: a support ring is fixedly connected to the side wall of the outer ring of the connecting pipe.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can quickly connect the water pipe by screwing the fixing ring through the mutual cooperation of the support ring, the limit ring, the rotating rod, the fixing ring and other components, without screwing multiple bolts, thereby improving the installation or disassembly efficiency of the water pipe, and the operation is simple, convenient and fast.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of a front cross-sectional structure of a pipeline connection structure proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of a front cross-sectional structure of a pipeline connection structure proposed by the utility model;

[0018] Figure 3 This is a front view structural schematic diagram of a pipeline connection structure proposed by the utility model.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Connecting pipe; 2. Support ring; 3. First conical wall; 4. First annular wall; 5. First trapezoidal circular wall; 6. Connecting head; 7. Second conical wall; 8. Second annular wall; 9. Second trapezoidal circular wall; 10. Limiting ring; 11. Rotating rod; 12. Fixed ring; 13. Water inlet pipe; 14. Water outlet pipe. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1-3 In an embodiment of the utility model, a pipeline connection structure includes a connecting pipe 1, an inlet pipe 13, and an outlet pipe 14. The side walls at both ends of the connecting pipe 1 are sequentially provided with a first trapezoidal annular wall 5, a first annular wall 4, and a first conical wall 3. The two first trapezoidal annular walls 5 are respectively located at the outermost sides of the two ends of the connecting pipe 1. External threads are provided on the side walls at both ends of the outer circle of the connecting pipe 1. One end of the inlet pipe 13 and the outlet pipe 14 are fixedly connected with a connecting head 6. One end of the two connecting heads 6 is sequentially provided with a second conical wall 7, a second annular wall 8, and a second trapezoidal annular wall 9. The first trapezoidal annular wall 5, the first annular wall 4, and the first conical wall 3 are adapted to the second conical wall 7, the second annular wall 8, and the second trapezoidal annular wall 9. Fixing devices are provided on the side walls of the inlet pipe 13 and the outlet pipe 14.

[0025] See also Figure 1-3, the two fixing devices both include a fixing ring 12, the two fixing rings 12 are respectively slidably connected to the outer ring side walls of the water inlet pipe 13 and the water outlet pipe 14, the inner ring side walls of the two fixing rings 12 are provided with internal threads, and the side walls of the water inlet pipe 13 and the water outlet pipe 14 are fixedly connected with a limiting ring 10, and then the fixing ring 12 is driven to rotate by rotating the rotating rod 11, so that the fixing ring 12 is threadedly connected to the outer ring side wall of the connecting pipe 1, and the inner side wall of the fixing ring 12 squeezes the limiting ring 10, thereby driving the connecting head 6 to move into the connecting pipe 1 through the water inlet pipe 13, so that the second tapered wall 7 squeezes the first tapered wall 3, thereby fixing the water inlet pipe 13 and the water outlet pipe 14.

[0026] See also Figure 1-3 Two rotating rods 11 are fixedly connected to the side walls of the two fixing rings 12. The surfaces of the four rotating rods 11 are provided with anti-slip grooves. The fixing rings 12 can be driven to move by twisting the two rotating rods 11, which is more labor-saving.

[0027] See also Figure 1-2 The surfaces of the two connectors 6 are both provided with rubber pads. The rubber pads provided on the side walls of the connectors 6 can improve the sealing performance between the connecting pipe 1 and the water inlet pipe 13 and the water outlet pipe 14.

[0028] See also Figure 1-3 A support ring 2 is fixedly connected to the outer side wall of the connecting pipe 1 to support the connecting pipe 1.

[0029] The working principle of the utility model is as follows: by inserting the water inlet pipe 13 and the water outlet pipe 14 into the two ends of the connecting pipe 1 respectively, the first conical wall 3 and the second conical wall 7 are fitted together, the first annular wall 4 and the second annular wall 8 are fitted together, and the first trapezoidal circular wall 5 and the second trapezoidal circular wall 9 are fitted together, and then the fixing ring 12 is driven to rotate by rotating the rotating rod 11, so that the fixing ring 12 is threadedly connected to the outer ring side wall of the connecting pipe 1, and the inner side wall of the fixing ring 12 squeezes the limiting ring 10, so that the connecting head 6 is driven to move into the connecting pipe 1 through the water inlet pipe 13, so that the second conical wall 7 squeezes the first conical wall 3, so that the water inlet pipe 13 and the water outlet pipe 14 are fixed, and the water inlet pipe 13 and the water outlet pipe 14 can be quickly connected by screwing the fixing ring 12, without screwing a plurality of bolts, thereby improving the installation or disassembly efficiency of the water inlet pipe 13 and the water outlet pipe 14, and the rubber pad arranged on the side wall of the connecting head 6 can improve the sealing between the connecting pipe 1 and the water inlet pipe 13 and the water outlet pipe 14.

[0030] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A pipe connection structure, comprising a connecting pipe (1), an inlet pipe (13), and an outlet pipe (14), characterized in that: A first trapezoidal annular wall (5), a first annular wall (4), and a first conical wall (3) are sequentially arranged in the side walls at both ends of the connecting pipe (1); the two first trapezoidal annular walls (5) are respectively located at the outermost sides of the two ends of the connecting pipe (1); external threads are arranged on the side walls at both ends of the outer ring of the connecting pipe (1); one end of the water inlet pipe (13) and the water outlet pipe (14) are fixedly connected with a connecting head (6); one end of the two connecting heads (6) are sequentially arranged with a second conical wall (7), a second annular wall (8), and a second trapezoidal annular wall (9); the first trapezoidal annular wall (5), the first annular wall (4), and the first conical wall (3) are matched with the second conical wall (7), the second annular wall (8), and the second trapezoidal annular wall (9); and fixing devices are arranged on the side walls of the water inlet pipe (13) and the water outlet pipe (14).

2. A pipeline connection structure according to claim 1, characterized in that: The two fixing devices each comprise a fixing ring (12), the two fixing rings (12) being respectively slidably connected to the outer side walls of the water inlet pipe (13) and the water outlet pipe (14), the inner side walls of the two fixing rings (12) being provided with internal threads, and the side walls of the water inlet pipe (13) and the water outlet pipe (14) being fixedly connected to a limiting ring (10).

3. A pipeline connection structure according to claim 2, characterized in that: Two rotating rods (11) are fixedly connected to the side walls of the two fixing rings (12).

4. A pipeline connection structure according to claim 3, characterized in that: The surfaces of the four rotating rods (11) are all provided with anti-slip grooves.

5. A pipeline connection structure according to claim 1, characterized in that: The surfaces of the two connecting heads (6) are both provided with rubber pads.

6. A pipeline connection structure according to claim 1, characterized in that: A support ring (2) is fixedly connected to the outer side wall of the connecting pipe (1).

Images