Pipeline connecting device for pipe network construction

Abstract

The utility model discloses a pipeline connecting device for pipe network construction, which comprises a first pipeline, the inside of the first pipeline is detachably connected with a connecting assembly, the connecting assembly comprises a connecting pipe, the inside of the connecting pipe is provided with a first sliding chute, the inner side walls of the two first sliding chutes are fixedly connected with first sealing rings, and the first sealing rings are fixedly connected with second sealing rings. Sealing grooves are formed in the ends, close to the connecting pipe, of the first pipeline and the second pipeline correspondingly, the ends, away from the connecting pipe, of the two butt joint pipes are attached to the side surface of the second sealing ring, threaded holes are formed in the fixing ring, and first limiting screws are movably connected into the first flange and the second flange correspondingly. According to the connecting assembly, through the arrangement of the connecting pipe, the butt joint pipe, the first sealing ring, the second sealing ring, the fixing ring, the first flange and the second flange, the convenience of overhaul is improved, and through the arrangement of the fixing block, the limiting frame and the second limiting screw, the convenience of installation of the connecting assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field especially, a pipeline connecting device for pipe network construction. BACKGROUND

[0002] Pipe network engineering refers to the design of various pipe networks such as sewage pipes, water supply pipes and fire fighting pipes, which generally belong to pipe network engineering. Various pipes are used in pipe network engineering, and then connected and fixed to form a pipe network. In pipe network construction, the pipeline connecting device is a very important component, which can ensure the sealing and stability of the pipeline system.

[0003] The existing pipeline connecting device for pipe network construction is mostly connected by flange or welded, which can directly connect two pipes together, but the connecting maintenance opening is small, and it is not convenient to quickly maintain the pipeline after a problem occurs. Therefore, a pipeline connecting device for pipe network construction is needed. SUMMARY

[0004] The utility model discloses a pipeline connecting device for pipe network construction to solve the shortcoming in prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipeline connecting device for pipe network construction, comprising a first pipeline, the circumference of the first pipeline is fixedly connected with a first flange, the inside of the first pipeline is detachably connected with a connecting assembly, the end of the connecting assembly away from the first pipeline is detachably connected with a second pipeline, and the circumference of the second pipeline is fixedly connected with a second flange.

[0006] The connecting assembly comprises a connecting pipe, the inside of the connecting pipe is provided with a first sliding groove, the number of the first sliding grooves is two, the inner side wall of the two first sliding grooves is fixedly connected with a first sealing ring, the inside of the two first sliding grooves is slidably connected with a butt joint pipe, the end of the first pipeline and the second pipeline close to the connecting pipe is provided with a sealing groove, the inner side wall of the two sealing grooves is fixedly connected with a second sealing ring, the end of the two butt joint pipes away from the connecting pipe is in close contact with the side surface of the second sealing ring, the circumference of the two butt joint pipes is fixedly connected with a fixing ring, the inside of the fixing ring is provided with a threaded hole, the inside of the first flange and the second flange is movably connected with a first limiting screw, and the end of the first limiting screw is screwedly connected with the inside of the threaded hole.

[0007] Further, the opposite surfaces of the two butt joint pipes are fixedly connected with a first connecting ring and a second connecting ring respectively, and the inside of the second connecting ring is slidably connected with the first connecting ring.

[0008] Further, the first connecting ring is internally provided with a second sliding groove, the inner side wall of the second sliding groove is fixedly connected with a third sealing ring, and the third sealing ring is attached to the side surface of the second connecting ring.

[0009] Further, a limiting assembly is arranged between the first pipeline and the second pipeline, the limiting assembly comprises a fixed block, and the fixed block is fixed on the circumferential surface of the connecting pipe.

[0010] Further, the fixed block is internally threadedly connected with a second limiting screw, the outer portion of the second limiting screw is movably connected with a limiting frame, both ends of the limiting frame are provided with clamping grooves, and the clamping grooves on both sides are clamped with the outer portions of the first flange and the second flange.

[0011] Further, the limiting assembly and the first limiting screw are provided with three groups and are evenly distributed in a triangular shape.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] 1. Compared with the prior art, the pipeline connecting device for pipeline network construction is provided with a connecting pipe, a butt joint pipe, a first sealing ring, a second sealing ring, a fixed ring, a first flange and a second flange, when the device is used, the connecting assembly is placed between the first pipeline and the second pipeline, the butt joint pipes on both sides are stretched to the outside of the connecting pipe, one end of the butt joint pipe located in the first sliding groove is tightly attached to the first sealing ring, the other end of the butt joint pipe located outside the connecting pipe is attached to the second sealing ring in the sealing groove at the side end of the first pipeline and the second pipeline, then the first limiting screw is used to connect the first flange and the second flange on both sides with the butt joint pipes on both sides, thereby realizing the installation of the connecting assembly, if disassembly is needed, reverse operation can be performed to disassemble the connecting assembly, and after disassembly, the access opening between the first pipeline and the second pipeline is increased, which is beneficial to improving the convenience of maintenance.

[0014] 2. Compared with the prior art, the pipeline connecting device for pipeline network construction is provided with a fixed block, a limiting frame and a second limiting screw, when the first pipeline and the second pipeline are connected, the limiting frame is used to clamp the first pipeline and the second pipeline, thereby the second limiting screw is connected with the fixed block, thereby the position of the connecting pipe is determined, and the convenience of installation of the connecting assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides an overall structure schematic view;

[0016] Figure 2 The utility model provides an internal structure schematic view;

[0017] Figure 3 The utility model provides Figure 2Enlarged view of the middle A;

[0018] Figure 4 The utility model provides a Figure 3 Enlarged view of the middle B;

[0019] Figure 5 The utility model provides an internal structure section view.

[0020] Legend:

[0021] 1, first pipeline 2, second pipeline 3, first flange 4, second flange 5, connecting assembly 501, connecting pipe 502, first chute 503, first sealing ring 504, butt joint pipe 505, fixed ring 506, sealing groove 507, second sealing ring 508, first connecting ring 509, second connecting ring 510, second chute 511, third sealing ring 512, first limit screw 513, threaded hole 6, limit assembly 601, fixed block 602, limit frame 603, second limit screw. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] With reference to Figures 1-5 The utility model provides a pipeline connecting device for pipe network construction: including first pipeline 1, the circumference of first pipeline 1 is fixedly connected with first flange 3, the inside of first pipeline 1 is detachably connected with connecting assembly 5, the end of connecting assembly 5 away from first pipeline 1 is detachably connected with second pipeline 2, and the circumference of second pipeline 2 is fixedly connected with second flange 4;

[0024] The connecting assembly 5 comprises a connecting pipe 501, the inside of the connecting pipe 501 is provided with a first sliding groove 502, the number of the first sliding grooves 502 is two, the inner side walls of the two first sliding grooves 502 are fixedly connected with first sealing rings 503, the insides of the two first sliding grooves 502 are slidably connected with butt pipes 504, one end of the first pipe 1 and the second pipe 2 close to the connecting pipe 501 is provided with a sealing groove 506, the inner side walls of the two sealing grooves 506 are fixedly connected with second sealing rings 507, the ends of the two butt pipes 504 away from the connecting pipe 501 are in close contact with the side surfaces of the second sealing rings 507, the circumferential surfaces of the two butt pipes 504 are fixedly connected with fixing rings 505, the inside of the fixing ring 505 is provided with a threaded hole 513, the insides of the first flange 3 and the second flange 4 are movably connected with first limiting screws 512, and the ends of the first limiting screws 512 are in threaded connection with the inside of the threaded hole 513.

[0025] When the device is in use, the connecting assembly 5 is placed between the first pipe 1 and the second pipe 2, the butt pipes 504 on both sides are stretched outwards of the connecting pipe 501, so that the end of the butt pipe 504 inside the first sliding groove 502 is in close contact with the first sealing ring 503, the end of the butt pipe 504 outside the connecting pipe 501 is in contact with the second sealing ring 507 in the sealing groove 506 of the side end of the first pipe 1 and the second pipe 2 respectively, then the first flange 3 and the second flange 4 on both sides are connected with the butt pipes 504 on both sides by using the first limiting screw 512, so as to realize the installation of the connecting assembly 5, if it is necessary to disassemble, then reverse operation can disassemble the connecting assembly 5, after disassembling, the access opening between the first pipe 1 and the second pipe 2 is increased, which is beneficial to improve the convenience of maintenance.

[0026] As shown in Figure 4 , the opposite surfaces of the two butt pipes 504 are fixedly connected with a first connecting ring 508 and a second connecting ring 509 respectively, and the second connecting ring 509 is slidably connected with the inside of the first connecting ring 508. When the second connecting ring 509 moves towards the inside of the first connecting ring 508, it is convenient to move the butt pipes 504 on both sides towards the inside of the connecting pipe 501.

[0027] The inside of the first connecting ring 508 is provided with a second sliding groove 510, the inner side wall of the second sliding groove 510 is fixedly connected with a third sealing ring 511, and the third sealing ring 511 is in close contact with the side surface of the second connecting ring 509. The third sealing ring 511 further enhances the convenience of the inside of the connecting pipe 501.

[0028] As shown in Figure 5 , the first pipe 1 and the second pipe 2 are provided with a limiting assembly 6, and the limiting assembly 6 comprises a fixed block 601, and the fixed block 601 is fixed on the circumferential surface of the connecting pipe 501. The limiting assembly 6 is convenient for positioning the first pipe 1 and the second pipe 2.

[0029] The internal thread of the fixed block 601 is connected with a second limiting screw 603, the external activity of the second limiting screw 603 is connected with a limiting frame 602, and the both ends of the limiting frame 602 are provided with clamping grooves, and the clamping grooves on both sides are clamped with the external of the first flange 3 and the second flange 4 respectively. When the first pipeline 1 and the second pipeline 2 are connected, the limiting frame 602 is used to clamp the first pipeline 1 and the second pipeline 2, so that the second limiting screw 603 is connected with the fixed block 601, so as to determine the position of the connecting pipe 501, which is beneficial to improve the convenience of the installation of the connecting assembly 5.

[0030] The limiting assembly 6 and the first limiting screw 512 are provided with three groups, and are evenly distributed in a triangular shape. The triangular limiting assembly 6 is convenient for limiting the first pipeline 1 and the second pipeline 2, and is convenient for connecting the first pipeline 1 and the second pipeline 2.

[0031] Working principle: when the pipe network is constructed, the connecting assembly 5 is used to connect the pipelines on both sides, so as to ensure the stability of the connecting part. When the device is used, the connecting assembly 5 is placed between the first pipeline 1 and the second pipeline 2, the butt joint pipe 504 on both sides is stretched outside the connecting pipe 501, so that the end of the butt joint pipe 504 located in the first sliding groove 502 is tightly attached with the first sealing ring 503, and the end of the butt joint pipe 504 located outside the connecting pipe 501 is attached with the second sealing ring 507 in the sealing groove 506 on the side end of the first pipeline 1 and the second pipeline 2 respectively, then the first limiting screw 512 is used to connect the first flange 3 and the second flange 4 on both sides with the butt joint pipe 504 on both sides, so as to realize the installation of the connecting assembly 5. If it is necessary to disassemble, the connecting assembly 5 can be disassembled by reversing the operation, and the access opening between the first pipeline 1 and the second pipeline 2 is increased after disassembly, which is beneficial to improve the convenience of the maintenance.

[0032] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A pipe connection device for pipe network construction, comprising a first pipe (1), characterized in that: The circumferential surface of the first pipeline (1) is fixedly connected with a first flange (3), the inside of the first pipeline (1) is detachably connected with a connecting assembly (5), the end, away from the first pipeline (1), of the connecting assembly (5) is detachably connected with a second pipeline (2), and the circumferential surface of the second pipeline (2) is fixedly connected with a second flange (4); The connecting assembly (5) comprises a connecting pipe (501), the inside of the connecting pipe (501) is provided with a first sliding slot (502), the number of the first sliding slots (502) is two, the inner side walls of the two first sliding slots (502) are both fixedly connected with a first sealing ring (503), the insides of the two first sliding slots (502) are both slidably connected with a butt joint pipe (504), the end, close to the connecting pipe (501), of the first pipeline (1) and the second pipeline (2) is both provided with a sealing groove (506), the inner side walls of the two sealing grooves (506) are both fixedly connected with a second sealing ring (507), the end, away from the connecting pipe (501), of the two butt joint pipes (504) is in close contact with the side surface of the second sealing ring (507), the circumferential surfaces of the two butt joint pipes (504) are both fixedly connected with a fixing ring (505), the inside of the fixing ring (505) is provided with a threaded hole (513), the insides of the first flange (3) and the second flange (4) are both movably connected with a first limiting screw (512), and the end of the first limiting screw (512) is in threaded connection with the inside of the threaded hole (513).

2. A pipe coupling device for use in pipe network construction according to claim 1, characterised in that: The opposite surfaces of the two butt joint pipes (504) are respectively fixedly connected with a first connecting ring (508) and a second connecting ring (509), and the inside of the second connecting ring (509) is slidably connected with the first connecting ring (508).

3. A pipe joint for use in pipe network construction according to claim 2, characterised in that: The inside of the first connecting ring (508) is provided with a second sliding slot (510), the inner side wall of the second sliding slot (510) is fixedly connected with a third sealing ring (511), and the third sealing ring (511) is in close contact with the side surface of the second connecting ring (509).

4. A pipe joint for use in pipe network construction according to claim 3, characterised in that: A limiting assembly (6) is installed between the first pipeline (1) and the second pipeline (2), the limiting assembly (6) comprises a fixed block (601), and the fixed block (601) is fixed on the circumferential surface of the connecting pipe (501).

5. A pipe joint for use in pipe network construction according to claim 4, characterised in that: The inside of the fixed block (601) is in threaded connection with a second limiting screw (603), the outside of the second limiting screw (603) is movably connected with a limiting frame (602), the two ends of the limiting frame (602) are both provided with clamping grooves, and the two clamping grooves are respectively clamped with the outside of the first flange (3) and the second flange (4).

6. A pipe joint for use in pipe network construction according to claim 5, characterised in that: The limiting assembly (6) and the first limiting screw (512) are both provided with three groups, and are evenly distributed in a triangular shape.

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