People drinking pipeline connecting structure

Abstract

The utility model provides a human drinking pipeline connecting structure which comprises a first connecting part and a second connecting part which are connected with a pipeline, and the first connecting part is connected with the second connecting part. The end, close to the second connecting part, of the first connecting part is provided with a concave edge, and the end, close to the first connecting part, of the second connecting part is provided with a flange corresponding to the concave edge. The end, close to the second connecting part, of the first connecting part is provided with a locking assembly located above the concave edge, and the locking assembly is in transmission connection with the flange. And the locking assembly is used for locking the first connecting part and the second connecting part. By arranging the locking assembly on the first connecting part, when the flange on the second connecting part is inserted into the concave edge on the first connecting part, the locking assembly locks the first connecting part and the second connecting part, the step that bolt holes need to be coaxially aligned when flange connection is adopted in the prior art is simplified, and the pipeline connecting efficiency is effectively improved.

Description

Technical Field

[0001] The present application belongs to the technical field of pipelines, and in particular relates to a human drinking water pipeline connection structure. Background Art

[0002] Drinking water pipes and water distribution pipes are generally connected by threaded connection, flange connection or welding. When flange connection is used for pipe installation, it is necessary to ensure that the connecting screw holes on the two flanges are coaxial before the pipes can be connected, resulting in low pipe connection efficiency. Summary of the invention

[0003] In view of this, the main purpose of the present application is to provide a drinking water pipe connection structure.

[0004] The technical solution adopted in the present application is as follows: a drinking water pipe connection structure, comprising a first connection part and a second connection part respectively connected to the pipe, and the first connection part and the second connection part can be connected to each other at one end away from the pipe;

[0005] The end of the first connection part away from the pipe is provided with a concave edge, and the end of the second connection part away from the pipe is provided with a flange corresponding to the concave edge;

[0006] The end of the first connection part away from the pipe is provided with a locking assembly located above the recessed edge, and the locking assembly is drivingly connected to the flange; the locking assembly is used to lock the first connection part and the second connection part of two pipelines connected to each other.

[0007] Further, the locking assembly includes a gear, the gear is rotatably installed in the first connecting portion, a slideway is provided above the gear, a rack is slidably installed in the slideway, and the gear is meshed with the rack;

[0008] A cavity is provided on the side of the gear away from the pipe, two ends of the cavity are respectively connected with the slideway and the concave edge, and a telescopic member is installed in the cavity;

[0009] The flange is provided with a gear groove and a slot, the flange is transmission-connected with the gear through the gear groove, and the slot is located behind the gear groove;

[0010] The flange is inserted in the recessed edge to drive the gear to rotate and drive the rack to move. The rack applies a downward force to the telescopic member at the upper end of the moving path, so that the telescopic member is inserted in the slot on the flange.

[0011] Furthermore, the telescopic member includes a rod body movably installed in the cavity, a limit block is provided on the circumference of the rod body, and an elastic member is sleeved on the rod body, one end of the elastic member abuts against the limit block, and the other end of the elastic member abuts against the bottom of the cavity.

[0012] Furthermore, the first connecting portion is provided with a guide groove located above the rack, and the guide groove is communicated with the slideway; and the rack is provided with a toggle block movable in the guide groove.

[0013] Furthermore, a limiting member is provided on the first connection portion at a side of the guide groove away from the pipeline, the limiting member is used to limit the toggle block in a horizontal direction, and the limiting member is rotatably connected to the first connection portion.

[0014] Furthermore, an annular groove is provided at the end of the first connection portion away from the pipe, an annular protrusion corresponding to the annular groove is provided at the end of the second connection portion away from the pipe, and a first sealing ring is provided on the inner side of the annular protrusion.

[0015] Furthermore, a groove is provided on the connecting surfaces of the first connecting portion and the second connecting portion, and a second sealing ring is provided in the groove.

[0016] Compared with the prior art, the present application has the following beneficial effects: by arranging a locking assembly on the first connection part, when the flange on the second connection part is inserted into the recessed edge on the first connection part, the locking assembly locks the first connection part and the second connection part, thereby simplifying the step of coaxially aligning the bolt holes when the drinking water pipe and the water distribution pipe are connected by flanges in the prior art, and effectively improving the efficiency of the pipe connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following drawings are only used to illustrate and explain the present application, and are not used to limit the scope of the present application, wherein:

[0018] Figure 1 A three-dimensional schematic diagram of the present application;

[0019] Figure 2 for Figure 1 A cross-sectional view of

[0020] Figure 3 for Figure 1 Schematic diagram of the usage status;

[0021] Figure 4 for Figure 3 Enlarged view of part A in .

[0022] Reference numerals: 100. first connecting portion; 101. concave edge; 102. gear; 103. slideway; 104. rack; 105. cavity; 106. rod body; 107. stop block; 108. elastic member; 109. guide groove; 110. toggle block; 111. stop member; 112. annular groove;

[0023] 200. second connecting portion; 201. flange; 202. gear groove; 203. slot; 204. annular protrusion; 205. first sealing ring;

[0024] 300. Pipeline;

[0025] 400. Groove; 401. Second sealing ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution, design method and advantages of this application more clear, the following is a further detailed description of this application through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain this application and are not used to limit this application.

[0027] Reference Figures 1 to 4 The present application provides a drinking water pipe connection structure, which is mainly suitable for connecting a water distribution pipe of a water plant with a drinking water pipe, and includes a first connection part 100 and a second connection part 200 respectively connected to a pipe 300, and the first connection part 100 and the second connection part 200 can be connected to each other at one end away from the pipe 300; a concave edge 101 is provided at the end of the first connection part 100 away from the pipe 300, and a flange 201 corresponding to the concave edge 101 is provided at the end of the second connection part 200 away from the pipe 300; a locking assembly located above the concave edge 101 is provided at the end of the first connection part 100 close to the second connection part 200, and the locking assembly is used to lock the first connection part 100 and the second connection part 200 of the two mutually connected pipes 300.

[0028] In the above, the locking assembly includes a gear 102, which is rotatably installed in the first connecting portion 100, a slideway 103 is provided above the gear 102, a rack 104 is slidably installed in the slideway 103, and the gear 102 is meshed with the rack 104; a cavity 105 is provided on the side of the gear 102 away from the pipe 300, and the two ends of the cavity 105 are respectively connected to the slideway 103 and the concave edge 101, and a gear 104 is installed in the cavity 105. Telescopic part; a gear groove 202 and a slot 203 are provided on the flange 201, the flange 201 is transmission-connected with the gear 102 via the gear groove 202, and the slot 203 is located behind the gear groove 202; the flange 201 is inserted into the recessed edge 101 to drive the gear 102 to rotate and drive the rack 104 to move, and the rack 104 applies a downward force to the telescopic part at the upper end of the moving path, so that the telescopic part is inserted into the slot 203 on the flange 201.

[0029] In the above, by arranging a locking assembly on the first connection part 100, when the flange 201 on the second connection part 200 is inserted into the recessed edge 201 on the first connection part 100, the locking assembly locks the first connection part 100 and the second connection part 200, thereby simplifying the step of coaxial alignment of the bolt holes when flange connection is used in the prior art, and effectively improving the efficiency of pipeline connection.

[0030] In the above, the telescopic member includes a rod body 106 movably installed in the cavity 105, a limit block 107 is provided on the circumference of the rod body 106, and an elastic member 108 is sleeved on the rod body 106, one end of the elastic member 108 abuts against the limit block 107, and the other end of the elastic member 108 abuts against the bottom of the cavity 105; the upper end of the rod body 106 is an arc-shaped end, so that the rack can press it down.

[0031] In the above, the first connection portion 100 is provided with a guide groove 109 located above the rack 104 , and the guide groove 109 is communicated with the slideway 103 ; the rack 104 is provided with a toggle block 110 that moves in the guide groove 109 .

[0032] In the above, a limiting member 111 is provided on the first connecting part 100 on the side of the guide groove 109 away from the pipe 300. The limiting member 111 is used to limit the toggle block 110 in the horizontal direction. The limiting member 111 is rotatably connected to the first connecting part 100, and a receiving groove for accommodating the toggle block 110 is provided on the limiting member 111. When the toggle block 110 moves to the final position driven by the rack 104, the limiting member 111 can be flipped over and the limiting member 111 can limit the toggle block 110 in the horizontal direction, so as to avoid the toggle block 110 from moving back. When the pipe needs to be removed, the toggle block 110 is toggled toward the initial position. While the toggle block 110 is toggled, the flange 201 of the second connecting part 200 can be moved out of the recessed edge 101, so that the pipe can be disassembled.

[0033] In the above, the end of the first connection part 100 away from the pipe 300 is provided with an annular groove 112, the end of the second connection part 200 away from the pipe 300 is provided with an annular protrusion 204 corresponding to the annular groove 112, and the inner side of the annular protrusion 204 is provided with a first sealing ring 205.

[0034] In the above, a groove 400 is provided on the connection surface of the first connection part 100 and the second connection part 200 , and a second sealing ring 401 is provided in the groove 400 .

[0035] In the above, the connection end surfaces of the first connection part 100 and the second connection part 200 are sealed by multiple sealing rings, which effectively improves the sealing efficiency of the pipeline connection.

[0036] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A drinking water pipe connection structure, characterized in that: It comprises a first connection part (100) and a second connection part (200) respectively connected to a pipeline (300), and ends of the first connection part (100) and the second connection part (200) away from the pipeline (300) can be connected to each other; The end of the first connection part (100) away from the pipe (300) is provided with a concave edge (101), and the end of the second connection part (200) away from the pipe (300) is provided with a flange (201) corresponding to the concave edge (101); The end of the first connection part (100) away from the pipe (300) is provided with a locking assembly located above the recessed edge (101), and the locking assembly is drivingly connected to the flange; the locking assembly is used to lock the first connection part (100) and the second connection part (200) of two mutually connected pipes (300).

2. A drinking water pipe connection structure according to claim 1, characterized in that: The locking assembly comprises a gear (102), the gear (102) being rotatably mounted in the first connecting portion (100), a slideway (103) being provided above the gear (102), a rack (104) being slidably mounted in the slideway (103), and the gear (102) being meshed with the rack (104); A cavity (105) is provided on a side of the gear (102) away from the pipe (300), two ends of the cavity (105) are respectively connected to the slideway (103) and the concave edge (101), and a telescopic member is installed in the cavity (105); The flange (201) is provided with a gear groove (202) and a slot (203); the flange (201) is transmission-connected to the gear (102) via the gear groove (202); and the slot (203) is located behind the gear groove (202); The flange (201) is inserted into the recessed edge (101) to drive the gear (102) to rotate and drive the rack (104) to move, and the rack (104) applies a downward force to the telescopic member at the upper end of the moving path, so that the telescopic member is inserted into the slot (203) on the flange (201).

3. A drinking water pipe connection structure according to claim 2, characterized in that: The telescopic member comprises a rod body (106) movably installed in a cavity (105); a limit block (107) is provided on the circumference of the rod body (106); and an elastic member (108) is sleeved on the rod body (106); one end of the elastic member (108) abuts against the limit block (107), and the other end of the elastic member (108) abuts against the bottom of the cavity (105).

4. A drinking water pipe connection structure according to claim 2, characterized in that: The first connecting portion (100) is provided with a guide groove (109) located above the rack (104), and the guide groove (109) is connected to the slideway (103); and the rack (104) is provided with a toggle block (110) movable in the guide groove (109).

5. A drinking water pipe connection structure according to claim 4, characterized in that: A limiting member (111) is provided on the first connecting portion (100) at a side of the guide groove (109) away from the pipeline (300), and the limiting member (111) is used to limit the position of the toggle block (110) in the horizontal direction, and the limiting member (111) is rotatably connected to the first connecting portion (100).

6. The drinking water pipe connection structure according to claim 1, characterized in that: An annular groove (112) is provided at the end of the first connecting portion (100) away from the pipe (300), and an annular protrusion (204) corresponding to the annular groove (112) is provided at the end of the second connecting portion (200) away from the pipe (300), and a first sealing ring (205) is provided on the inner side of the annular protrusion (204).

7. The drinking water pipe connection structure according to claim 1, characterized in that: A groove (400) is provided on the connection surfaces of the first connection part (100) and the second connection part (200), and a second sealing ring (401) is provided in the groove (400).

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