Pipeline quick plug structure

Abstract

The utility model discloses a pipeline quick plug structure, which belongs to the field of plug structures and comprises a pipeline and a plug, two ends of the plug are fixedly connected with the pipeline through a connecting mechanism, and the connecting mechanism comprises a first limit ring, a connecting sleeve, a connecting groove, a clamping groove, an extrusion head, a connecting ring, a mounting sleeve, a clamping head and a spring. Threads are carved on the inner wall of the connecting sleeve and the outer side of the extrusion head, the connecting sleeve is rotationally installed on the extrusion head, the extrusion head extrudes the sealing ring on the first limiting ring, and therefore the connecting position of the pipeline and the plug is sealed, the connecting ring is located on one side of the extrusion head, the connecting ring is clamped by the extrusion head, and the clamping head is clamped into the clamping groove. Due to the fact that the connecting ring cannot move towards the side face, the connecting sleeve cannot rotate reversely, connection between the connecting sleeve and the plug is more fixed, the sealing effect between the plug and the pipeline is better, and the sealing structure is not prone to loosening.

Description

Technical Field

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

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for conveying gas, liquid or fluid with solid particles. Multiple pipes are connected to form a system pipeline structure.

[0003] The pipes of the pipeline are connected by pipe connectors. When common pipe connectors, such as plugs, are connected to the pipes through a threaded structure. During the circulation of liquid in the pipe, vibrations will be generated, causing the plug to become loose and leak, so improvements are needed. Utility Model Content

[0004] The main purpose of the utility model is to provide a pipeline quick plug structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A pipeline quick plug structure comprises a pipeline and a plug, wherein both ends of the plug are fixedly connected to the pipeline through a connecting mechanism, and the connecting mechanism comprises a No. 1 limit ring, a connecting sleeve, a connecting groove, a clamping groove, an extrusion head, a connecting ring, a mounting sleeve, a clamping head and a spring, wherein the No. 1 limit ring is fixedly connected to one end of the pipeline, the connecting sleeve is movably installed on the pipeline, and the No. 1 limit ring is movably installed in the connecting sleeve, the connecting groove and the clamping groove are arranged at one end of the connecting sleeve, the connecting groove is located at the inner side of the connecting sleeve, and the clamping groove is located at the outer side of the connecting sleeve, the clamping groove is fixedly connected to the connecting groove, the extrusion head is fixedly connected to both ends of the plug, the connecting ring is movably installed on the plug and is located between the extrusion heads, the mounting sleeve is fixedly connected to the connecting ring, the clamping head and the spring are movably installed in the mounting sleeve, and the spring is located below the clamping head.

[0007] Preferably, the connecting mechanism further includes a No. 2 limiting ring, which is fixedly connected to the other end of the connecting sleeve and is located on the side of the No. 1 limiting ring.

[0008] Preferably, the inner wall of the connecting sleeve is engraved with threads, the outer side of the extrusion head is engraved with threads, and the connecting sleeve is movably mounted on the extrusion head via the threads.

[0009] Preferably, the connecting mechanism further includes a sealing ring, which is movably installed between the No. 1 limiting ring and the extrusion head, and the sealing ring is located in the connecting sleeve.

[0010] Preferably, the connecting mechanism further includes a movable block, the movable block is fixedly connected to the lower end of the clamping head, the spring is located below the movable block, and the movable block is movably installed in the mounting sleeve.

[0011] Preferably, the connecting mechanism also includes a pull rod and a movable groove, the movable groove is opened at a side position of the mounting sleeve, the pull rod is fixedly connected to a side position of the movable block, and the pull rod is movably installed in the movable groove, the clamping head extends to the outside through the movable groove, and the clamping head is movably installed in the clamping slot.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, through the connection mechanism, the inner wall of the connecting sleeve and the outer side of the extrusion head are engraved with threads, the connecting sleeve is rotatably installed on the extrusion head, and the extrusion head squeezes the sealing ring onto the No. 1 limiting ring, thereby sealing the connection position of the pipeline and the plug, the connecting ring is located on one side of the extrusion head, and the clamping head is clamped into the clamping groove, thereby fixing the connecting sleeve, so that the connecting sleeve cannot rotate in the opposite direction, and the connection between the connecting sleeve and the plug is more fixed and not easy to separate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the first limiting ring and the sealing ring of the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the connecting sleeve of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the plug of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the installation sleeve on the connecting ring of the utility model.

[0019] In the figure: 1. pipeline; 2. plug; 3. connecting mechanism; 301. No. 1 limiting ring; 302. sealing ring; 303. connecting sleeve; 304. No. 2 limiting ring; 305. connecting groove; 306. clamping groove; 307. extrusion head; 308. connecting ring; 309. mounting sleeve; 310. movable groove; 311. movable block; 312. clamping head; 313. spring; 314. pull rod. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-3 As shown, a pipeline quick plug structure includes a pipeline 1 and a plug 2, both ends of the plug 2 are fixedly connected to the pipeline 1 through a connecting mechanism 3, the connecting mechanism 3 includes a No. 1 limiting ring 301, a connecting sleeve 303, a connecting groove 305, a clamping groove 306, an extrusion head 307, a connecting ring 308, a mounting sleeve 309, a clamping head 312 and a spring 313, the No. 1 limiting ring 301 is fixedly connected to one end of the pipeline 1, the connecting sleeve 303 is movably installed on the pipeline 1, and the No. 1 limiting ring 301 is movably installed in the connecting sleeve 303, the connecting groove 305 and the clamping groove 306 are opened at one end of the connecting sleeve 303, the connecting groove 305 is located at the inner side of the connecting sleeve 303, and the clamping groove 306 is located at the outer side of the connecting sleeve 303, the clamping groove 306 is fixedly connected to the connecting groove 305, the extrusion head 307 is fixedly connected to the two end positions of the plug 2, the connecting mechanism 3 also includes a No. 2 limiting ring 304, and the No. 2 limiting ring 304 is fixedly connected to the connecting sleeve 303. The other end of the connecting sleeve 303, and the second limiting ring 304 is located at the side position of the first limiting ring 301, the inner wall of the connecting sleeve 303 is engraved with threads, and the outer position of the extrusion head 307 is engraved with threads. The connecting sleeve 303 is movably installed with the extrusion head 307 through the threads. The connecting mechanism 3 also includes a sealing ring 302, which is movably installed between the first limiting ring 301 and the extrusion head 307. The sealing ring 302 is located in the connecting sleeve 303, and the sealing ring 302 is located between the first limiting ring 301 and the extrusion head 307, so that the connecting sleeve 303 and the extrusion head 307 are installed with each other, and the connecting sleeve 303 is rotatably installed on the extrusion head 307, so that the extrusion head 307 squeezes the sealing ring 302 on the first limiting ring 301, so that the connection position of the plug 2 and the pipeline 1 is sealed, and the diameter of the connecting groove 305 is larger than the diameter of the circular inner wall in the connecting sleeve 303, so that the connecting groove 305 is easy to pass over the extrusion head 307.

[0022] like Figure 1 , Figure 4 and Figure 5As shown, the connecting ring 308 is movably mounted on the plug 2 and is located between the extrusion heads 307. The mounting sleeve 309 is fixedly connected to the connecting ring 308. The clamp head 312 and the spring 313 are movably mounted in the mounting sleeve 309, and the spring 313 is located below the clamp head 312. The connecting mechanism 3 also includes a movable block 311, which is fixedly connected to the lower end of the clamp head 312. The spring 313 is located below the movable block 311. The movable block 311 is movably mounted in the mounting sleeve 309. The connecting mechanism 3 also includes a pull rod 314 and a movable groove 310. The movable groove 310 is provided at the side of the mounting sleeve 309. The pull rod 314 is fixedly connected to the movable groove 310. The movable block 311 is positioned on the side, and the pull rod 314 is movably installed in the movable groove 310, the clamping head 312 extends out through the movable groove 310, and the clamping head 312 is movably installed in the clamping slot 306. The pull rod 314 is moved inward, so that the movable block 311 moves in the installation sleeve 309. As the movable block 311 moves, the spring 313 is compressed, so that the clamping head 312 moves downward, making it easy for the clamping head 312 to enter the connecting sleeve 303. When the clamping head 312 is inserted into the clamping slot 306, the connecting sleeve 303 is fixed, making it difficult for the connecting sleeve 303 to move in the opposite direction, so that the fixing effect at the sealing ring 302 is better and not easy to loosen, so as to facilitate the long-term maintenance of the sealing effect.

[0023] It should be noted that the utility model is a pipeline quick plug structure, the extrusion heads 307 at both ends of the plug 2 are respectively inserted into the connecting sleeve 303, the extrusion head 307 is installed by rotating with the connecting sleeve 303 through threads, the extrusion head 307 squeezes the sealing ring 302 at the side position, and squeezes the sealing ring 302 on the No. 1 limiting ring 301, so that the connection between the plug 2 and the pipeline 1 is sealed, and the pull rods 314 at the two sides of the connecting ring 308 are moved inward, so that the pull rods 314 pull the movable block 311 to move in the installation sleeve 309, the movable block 311 compresses the spring 313, and the clamping head 312 moves with the movable block 311 With synchronous movement, the clamp head 312 moves into the connecting sleeve 303, and the connecting ring 308 is rotated to adjust the position of the clamp head 312. When the clamp head 312 and the slot 306 are aligned with each other, the pull rod 314 is released, and the compressed spring 313 is restored to open, so that the spring 313 pushes the movable block 311 and the clamp head 312 to move in the opposite direction, so that the clamp head 312 is inserted into the slot 306, and the connecting ring 308 is clamped by the extrusion head 307. The connecting ring 308 cannot move in the direction of the extrusion head 307, so that the connecting sleeve 303 cannot rotate in the opposite direction to the side, so that the connecting sleeve 303 is more fixed and the sealing effect is better.

[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pipeline quick plug structure, comprising a pipeline (1) and a plug (2), characterized in that: The two ends of the plug (2) are fixedly connected to the pipeline (1) via a connecting mechanism (3); the connecting mechanism (3) comprises a first limiting ring (301), a connecting sleeve (303), a connecting groove (305), a clamping groove (306), an extrusion head (307), a connecting ring (308), a mounting sleeve (309), a clamping head (312) and a spring (313); the first limiting ring (301) is fixedly connected to one end of the pipeline (1); the connecting sleeve (303) is movably mounted on the pipeline (1); and the first limiting ring (301) is movably mounted in the connecting sleeve (303); the connecting groove (305) and the clamping groove (306) are arranged on the connecting sleeve (30 3), the connecting groove (305) is located at an inner side of the connecting sleeve (303), and the clamping groove (306) is located at an outer side of the connecting sleeve (303), the clamping groove (306) is fixedly connected to the connecting groove (305), the extrusion head (307) is fixedly connected to the two end positions of the plug (2), the connecting ring (308) is movably mounted on the plug (2) and is located between the extrusion heads (307), the mounting sleeve (309) is fixedly connected to the connecting ring (308), the clamping head (312) and the spring (313) are movably mounted in the mounting sleeve (309), and the spring (313) is located below the clamping head (312).

2. A pipeline quick plug structure according to claim 1, characterized in that: The connecting mechanism (3) further comprises a second limiting ring (304), wherein the second limiting ring (304) is fixedly connected to the other end of the connecting sleeve (303), and the second limiting ring (304) is located on the side of the first limiting ring (301).

3. A pipeline quick plug structure according to claim 2, characterized in that: The inner wall of the connecting sleeve (303) is engraved with threads, and the outer side of the extrusion head (307) is engraved with threads, and the connecting sleeve (303) is movably mounted with the extrusion head (307) via the threads.

4. A pipeline quick plug structure according to claim 3, characterized in that: The connection mechanism (3) further comprises a sealing ring (302), wherein the sealing ring (302) is movably mounted between the first limiting ring (301) and the extrusion head (307), and the sealing ring (302) is located inside the connection sleeve (303).

5. A pipeline quick plug structure according to claim 4, characterized in that: The connecting mechanism (3) further comprises a movable block (311), the movable block (311) being fixedly connected to the lower end of the clamping head (312), the spring (313) being located below the movable block (311), and the movable block (311) being movably mounted in the mounting sleeve (309).

6. A pipeline quick plug structure according to claim 5, characterized in that: The connecting mechanism (3) further comprises a pull rod (314) and a movable groove (310), wherein the movable groove (310) is provided at a side position of the mounting sleeve (309), the pull rod (314) is fixedly connected to a side position of the movable block (311), and the pull rod (314) is movably installed in the movable groove (310), the clamping head (312) extends to the outside through the movable groove (310), and the clamping head (312) is movably installed in the clamping groove (306).

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