Pipeline connecting device capable of preventing leakage

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a leakproof pipeline connecting device which comprises two pipeline bodies, the outer portions of the ends, close to each other, of the two pipeline bodies are jointly sleeved with a connecting cylinder, and an annular groove is formed in the outer surface of each pipeline body; sealing gaskets are arranged at the left end and the right end of the connecting cylinder, a set of hinged clamping frames are arranged outside each sealing gasket, and the ends, close to each other, of the clamping frames are connected through bolts. Through the cooperation of the connecting cylinder, the sealing gasket, the annular groove, the clamping frame and the bolt, the clamping frame can be fastened through the bolt, the clamping frame can gradually extrude the sealing gasket into the annular groove, and therefore the pipeline body is sealed, leakage of the pipeline body can be prevented, and through the cooperation of the annular inserting groove and the annular plate, the sealing effect of the pipeline body is improved. And after the annular plates are inserted into the annular insertion grooves, the joints between the pipeline bodies are further sealed, and therefore the leakage prevention effect is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe connection, in particular to a pipe connection device capable of preventing leakage. BACKGROUND

[0002] Pipes play an important role in conveying various media in daily life, especially when conveying over long distances. In order to meet the conveying demand and cover a wider area, multiple pipes are usually precisely spliced to expand the conveying capacity and ensure the continuity and stability of medium flow.

[0003] Through retrieval, the Chinese patent publication No. CN220910734U is especially a pipe connection device capable of preventing leakage, which comprises a first pipe, a fixed sleeve is fixedly installed at one end of the first pipe, a second pipe is arranged at one end of the first pipe, a connecting sleeve is fixedly installed at one end of the second pipe, a first sealing ring is arranged on one side of the fixed sleeve, a first sealing groove is arranged on the inner wall of the fixed sleeve, a second sealing groove is arranged on one side of the first sealing groove, a third sealing groove is arranged in the connecting sleeve, a second sealing ring is arranged on one side of the connecting sleeve, a third sealing ring is arranged on one side of the second sealing ring, a fixed lug is arranged on the outer side of the fixed sleeve, a base is arranged at the bottom of the fixed sleeve, a buffer assembly is fixedly installed on the base, and a mounting seat is fixedly installed at the top of the buffer assembly. The mounting seat, the bidirectional threaded rod, the sliding block, the fixed column and the fixed support clamping plate are used in cooperation to facilitate the fixed support clamping work of the connecting sleeve and the fixed sleeve, and the stability of the connection and installation can be further improved.

[0004] For the related technology in the above, the inventors find that the following defects exist: only by reinforcing between the two fixed sleeves, the connection between the first pipe and the second pipe is held to keep stable butt joint, but since the fixed support clamping plate cannot well fit the fixed sleeve, separation between the fixed support clamping plate and the fixed sleeve is easy to occur, so the sealing property of butt joint between the pipes cannot be guaranteed. INVENTION CONTENTS

[0005] In order to solve the problems mentioned in the background art, the present application provides a pipe connection device capable of preventing leakage.

[0006] The application provides a pipeline connecting device capable of preventing leakage, which adopts the following technical scheme: a pipeline connecting device capable of preventing leakage, comprising two pipeline bodies, the outer parts of the two pipeline bodies at one end close to each other are commonly sleeved with a connecting cylinder, the outer surfaces of each pipeline body are provided with an annular groove, the left and right ends of the connecting cylinder are provided with sealing pads, the outer parts of each sealing pad are provided with a group of clamping frames hinged to each other, the one end of each group of clamping frames close to each other is connected through a bolt, the outer surfaces of each pipeline body are fixedly connected with positioning rings, the one ends of the two sealing pads away from each other are provided with connecting rings, and the outer parts of the two pipeline bodies are commonly sleeved with clamping assemblies.

[0007] Optionally, the right end of one of the two pipeline bodies is provided with an annular insertion groove, an annular plate is inserted into the annular insertion groove, and the left end of the annular plate is connected with the right end of the other pipeline body.

[0008] Optionally, the side faces close to each other of the two positioning rings are provided with a group of positioning grooves, the inner parts of each positioning groove are inserted with a positioning block, and the one ends of the two groups of positioning blocks close to each other are connected with the side faces of the two connecting rings away from each other, respectively.

[0009] Optionally, the clamping assembly comprises two groups of sleeve frames sleeved outside the positioning rings and the connecting rings, the side faces close to each other of each group of sleeve frames are commonly fixedly connected with two connecting plates, and the two groups of connecting plates are commonly threadedly connected with positive and negative threaded rods.

[0010] Optionally, the outer surfaces of each positive and negative threaded rod are sleeved with protective sleeves, and the outer surfaces of each protective sleeve are provided with anti-skid lines.

[0011] Optionally, the top ends and the bottom ends of each positive and negative threaded rod are rotatably connected with reinforcing plates, each reinforcing plate is slidably connected with a group of stabilizing blocks, and the one ends of each group of stabilizing blocks close to each other are connected with the side faces of each group of connecting plates away from each other, respectively.

[0012] Optionally, the top parts and the bottom parts of each group of sleeve frames are commonly fixedly connected with arc-shaped plates, respectively, and the two arc-shaped plates are symmetrically arranged.

[0013] In summary, the application has the following beneficial technical effects:

[0014] 1. The utility model discloses a connecting barrel, sealing gasket, annular groove, the cooperation of clamping frame and bolt is provided, and the bolt can be fastened to the clamping frame, and the sealing gasket will be gradually extruded into the inside of annular groove, thereby forming the sealing between the pipeline body, can prevent its leakage, the cooperation of annular slot and annular plate is provided, after annular plate is inserted into annular slot, the connecting place between pipeline body is further sealed, thereby enhanced anti -leakage effect.

[0015] 2. The utility model discloses the cooperation of sleeve frame, connecting plate and right and left screw rod is provided, utilizes the rotation of right and left screw rod, and sleeve frame will move mutually close, and will be set with the outside of connecting ring and positioning ring, thereby forming the clamping positioning of positioning ring and connecting ring, guarantee the stability after the butt joint between pipeline body, the cooperation of reinforcing plate and stable block can be reinforced to right and left screw rod, can also avoid the separation between sleeve frame and right and left screw rod simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram in the embodiment of the application.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the blocking ring in the embodiment of the application.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the pipeline body in the embodiment of the application.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the clamping assembly in the embodiment of the application.

[0020] Fig. 1, pipeline body; 2, positioning ring; 3, connecting ring; 4, clamping assembly; 401, sleeve frame; 402, connecting plate; 403, right and left screw rod; 404, protective sleeve; 405, reinforcing plate; 406, stable block; 407, arc plate; 5, sealing gasket; 7, clamping frame; 8, connecting barrel; 9, bolt; 10, positioning block; 11, annular groove; 12, annular slot; 13, annular plate; 14, positioning groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings Figures 1-4 The application is further explained.

[0022] The embodiment of the application discloses a pipeline connecting device capable of preventing leakage. Figure 1 As shown in a pipeline connecting device capable of preventing leakage, two pipeline bodies 1 are provided with a connecting barrel 8 on the outside of one end close to each other, and the connecting barrel 8 can shield the connecting part outside the two pipeline bodies 1.

[0023] Please refer toFigure 3 The outer surface of each pipe body 1 is provided with an annular groove 11, and the left and right ends of the connecting cylinder 8 are provided with sealing pads 5. The outer part of each sealing pad 5 is provided with a set of hinged clamping frames 7. The ends of each set of clamping frames 7 that are close to each other are connected by bolts 9. The clamping frames 7 can be tightened by the bolts 9, so that the sealing pads 5 are squeezed into the annular grooves 11, thereby sealing the pipe bodies 1 and achieving the effect of preventing leakage.

[0024] Please refer to Figure 2 The outer surface of each pipe body 1 is fixedly connected with a positioning ring 2, and the ends of the two sealing pads 5 that are away from each other are provided with connecting rings 3. The side surfaces of the two positioning rings 2 that are close to each other are provided with a set of positioning grooves 14. The inner part of each positioning groove 14 is inserted with a positioning block 10. The ends of the two sets of positioning blocks 10 that are close to each other are connected with the side surfaces of the two connecting rings 3 that are away from each other. The connection between the positioning blocks 10 and the positioning grooves 14 can position the connecting rings 3, so as to prevent the connecting cylinder 8 from rotating with the sealing pads 5.

[0025] Please refer to Figure 4 The outer parts of the two pipe bodies 1 are jointly provided with a clamping assembly 4. The clamping assembly 4 includes two sets of sleeve frames 401 that are sleeved outside the positioning rings 2 and the connecting rings 3. The side surfaces of each set of sleeve frames 401 that are close to each other are jointly fixedly connected with two connecting plates 402. Each set of connecting plates 402 is jointly and threadedly connected with a right and left threaded rod 403. By rotating the right and left threaded rod 403, the connecting plates 402 will drive the sleeve frames 401 to move close to each other. The sleeve frames 401 will be sleeved outside the connecting rings 3 and the positioning rings 2, thereby clamping and stabilizing the connecting rings 3 and the positioning rings 2.

[0026] Please refer to Figure 4 The outer surface of each right and left threaded rod 403 is sleeved with a protective sleeve 404, and the outer surface of each protective sleeve 404 is provided with anti-skid lines. The protective sleeve 404 facilitates the rotation of the right and left threaded rod 403 by the staff, and the operation is more convenient.

[0027] Please refer to Figure 4 The top end and the bottom end of each right and left threaded rod 403 are rotatably connected with a reinforcing plate 405. Each reinforcing plate 405 is slidably connected with a set of stabilizing blocks 406. The ends of each set of stabilizing blocks 406 that are close to each other are connected with the side surfaces of each set of connecting plates 402 that are away from each other. The right and left threaded rods 403 can be reinforced, and the sleeve frames 401 and the right and left threaded rods 403 can be prevented from separating.

[0028] Please refer to Figure 4The top of each set of sleeve frames 401 is fixedly connected with an arc-shaped plate 407, and the two arc-shaped plates 407 are symmetrically arranged. The arc-shaped plates 407 can further connect and reinforce the sleeve frames 401, and enhance the stability of the sleeve frames 401.

[0029] Please refer to Figure 3 One of the two pipe bodies 1 is provided with an annular slot 12 at the right end, and an annular plate 13 is inserted into the annular slot 12. The left end of the annular plate 13 is connected with the right end of the other pipe body 1. When the pipe bodies 1 are connected, the annular plate 13 is inserted into the annular slot 12, further enhancing the anti-leakage effect between the pipe bodies 1.

[0030] The implementation principle of the anti-leakage pipe connecting device is as follows: when used, the connecting barrel 8 is sleeved outside the two pipe bodies 1, the annular plate 13 is inserted into the annular slot 12, the sealing gasket 5 is located in the annular groove 11, the clamping frame 7 is sleeved outside the sealing gasket 5, the clamping frame 7 is fastened by the bolt 9, the sealing gasket 5 is inserted into the annular groove 11, the pipe body 1 connection is sealed to prevent leakage, the connecting ring 3 is pushed, the positioning block 10 is inserted into the positioning groove 14, the sleeve frame 401 is sleeved outside the connecting ring 3 and the positioning ring 2, the right and left threaded rods 403 are synchronously rotated, the two sleeve frames 401 gradually approach, the sleeve frame 401 is gradually sleeved on the connecting ring 3 and the positioning ring 2, and the stability between the positioning ring 2 and the connecting ring 3 is formed.

[0031] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A leak-proof pipe connection device comprising two pipe bodies (1), characterized in that: Two pipe bodies (1) are externally sleeved with a connecting barrel (8) at one end, the outer surface of each pipe body (1) is provided with an annular groove (11), the left and right ends of the connecting barrel (8) are provided with sealing pads (5), the outer surface of each sealing pad (5) is provided with a group of hinged clamping frames (7), the left end of each group of clamping frames (7) is connected by a bolt (9), the outer surface of each pipe body (1) is fixedly connected with a positioning ring (2), the left end of each sealing pad (5) is provided with a connecting ring (3), and the outer surfaces of the two pipe bodies (1) are externally sleeved with a clamping assembly (4).

2. A leak-tight pipe coupling device according to claim 1, wherein: The right end of one of the two pipe bodies (1) is provided with an annular insertion groove (12), and the annular insertion groove (12) is internally inserted with an annular plate (13), and the left end of the annular plate (13) is connected with the right end of the other pipe body (1).

3. A leak-tight pipe coupling device as claimed in claim 1, wherein: The side face of the two positioning rings (2) is provided with a group of positioning grooves (14), and the inner surface of each positioning groove (14) is inserted with a positioning block (10), and the left end of the two groups of positioning blocks (10) is respectively connected with the side face of the two connecting rings (3) away from each other.

4. A leak-tight pipe coupling device as defined in claim 1, wherein: The clamping assembly (4) comprises two groups of sleeve frames (401) sleeved on the outer surfaces of the positioning rings (2) and the connecting rings (3), the side face of each group of sleeve frames (401) is fixedly connected with two connecting plates (402), and the connecting plates (402) are threadedly connected with a positive and negative threaded rod (403).

5. A leak-tight pipe coupling device according to claim 4, wherein: The outer surface of each positive and negative threaded rod (403) is sleeved with a protective sleeve (404), and the outer surface of each protective sleeve (404) is provided with anti-skid lines.

6. A leak-tight pipe coupling device as defined in claim 4, wherein: The top end of each positive and negative threaded rod (403) and the bottom end of the positive and negative threaded rod (403) are rotatably connected with a reinforcing plate (405), each reinforcing plate (405) is slidably connected with a group of stabilizing blocks (406), and the left end of each group of stabilizing blocks (406) is connected with the side face of each group of connecting plates (402) away from each other.

7. A leak-tight pipe coupling device as defined in claim 4, wherein: Each group The top of the sleeve frame (401) and the bottom of the sleeve frame (401) are respectively fixedly connected with an arc-shaped plate (407), The two arc-shaped plates (407) are symmetrically arranged.

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