PE pipe with clamping and locking structure

Abstract

The utility model discloses a PE pipe with a clamping and locking structure, which relates to the field of clamping and locking structures and comprises a first pipe and a second pipe, a sealing sleeve is arranged on the outer side of the first pipe and the outer side of the second pipe, two connecting rings are arranged on the outer side of the sealing sleeve, a plurality of clamping blocks are movably arranged on the inner sides of the connecting rings, and the clamping blocks are connected with the first pipe and the second pipe. Clamping rods used for pressing a sealing sleeve are fixedly arranged at the lower ends of the clamping blocks, a left branch connecting rod is fixedly arranged at one end of every two adjacent clamping rods, and right branch connecting rods are fixedly arranged at the ends, away from the left branch connecting rods, of the other clamping rods. The connecting strength of the first pipe and the second pipe is guaranteed through the first nut, the connecting nut and the stepped nut, meanwhile, the two ends of the sealing sleeve are pressed through the clamping rods, and the sealing performance of the sealing sleeve is guaranteed while the connecting strength of the sealing sleeve is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of clamping and locking structures, in particular to a PE pipe with a clamping and locking structure. Background Art

[0002] PE pipe is a pipe made of polyethylene as the main raw material. It has many excellent performance characteristics and is widely used in water supply, drainage, natural gas, petrochemical industry, etc. PE pipes are generally buried underground or installed outdoors. When connecting two pipes, they are generally connected by welding.

[0003] However, although this connection method can ensure sealing during use, it requires more preparation steps, such as alignment of the two connected pipes, initial fixation, and then connecting the two pipes through the welded pipe to fix the two pipes. The operation steps are relatively cumbersome, resulting in a longer operation time.

[0004] Therefore, it is necessary to propose a PE pipe with a clamping and locking structure to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a PE pipe with a clamping and locking structure to solve the problem that the preparation process for welding two pipes is relatively complicated, the two connected pipes need to be aligned and initially fixed, and then the two pipes are connected through the welded pipe, and the operation steps are relatively complicated, resulting in a long operation time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PE pipe with a clamping and locking structure, comprising a first pipe and a second pipe, wherein a sealing sleeve is provided on the outside of the first pipe and the second pipe, two connecting rings are provided on the outside of the sealing sleeve, and a plurality of clamping blocks are movably provided on the inside of the connecting ring, wherein a clamping rod for pressing the sealing sleeve is fixedly provided at the lower end of the clamping block, a left connecting rod is fixedly provided at one end of each of the separated clamping rods, and a right connecting rod is fixedly provided at one end of the other clamping rod away from the left connecting rod;

[0007] The clamping rod and the left and right sub-connecting rods are all arranged in an arc shape. The angle between the two ends of the clamping rod is 30°, the angle between the two ends of the left sub-connecting rod is 60°, and the angle between the two ends of the right sub-connecting rod is the same as that of the left sub-connecting rod.

[0008] Preferably, a first nut is rotatably provided on the outer side of the first pipe, a connecting nut is fixedly provided on the outer side of the second pipe, a step nut is threadedly connected on the outer sides of the first nut and the connecting nut, and a horizontal plate is fixedly provided on the outer side of the second pipe.

[0009] Preferably, a plurality of transmission rods are fixedly provided on one end of the connecting nut corresponding to the first nut, a guide ring is fixedly provided on the inner side of the first nut, a guide groove is opened on one end of the guide ring, and one end of the transmission rod is movable inside the guide groove.

[0010] Preferably, an arc-shaped groove is formed through one end of the clamping block, and the transmission rod movably passes through the arc-shaped groove.

[0011] Preferably, a rectangular groove for movement of the clamping block is provided on the inner side of the connecting ring.

[0012] Preferably, the number of the clamping blocks and the number of the transmission rods are equal.

[0013] Preferably, one end of the sealing sleeve is fixedly connected to one end of the first nut, and the outer side of the connecting ring is fixedly connected to the inner side of the first pipe.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The first and second pipes are sealed by the sealing sleeve. The first nut, the connecting nut and the step nut are used to ensure the connection strength of the first and second pipes. The clamping rod is used to press the two ends of the sealing sleeve to ensure the connection strength and the sealing performance;

[0016] 2. By setting the left connecting rod and the right connecting rod, the sealing sleeve can be completely wrapped to increase the force-bearing area of ​​the sealing sleeve. The pressure of the left connecting rod and the right connecting rod is related to the number of rotations of the first nut, and the connection strength and sealing performance are related. When the first nut is connected, the first and second pipes can be automatically sealed.

[0017] 3. Through the horizontal plate, when the first nut and other threaded parts are screwed, the force on the first and second pipes can be increased to prevent them from rotating with the threaded parts, making it easier to screw the first nut and other threaded parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the PE pipe structure with a clamping and locking structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of a PE pipe with a clamping and locking structure of the utility model.

[0020] Figure 3 For this utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0021] Figure 4 This is a schematic diagram of the connecting ring structure of the utility model.

[0022] Figure 5It is a cross schematic diagram of the left connecting rod and the right connecting rod of the utility model.

[0023] Figure 6 This is a schematic diagram of the connection structure of the clamping rod of the utility model.

[0024] In the figure: 1. first pipe; 2. second pipe; 3. sealing sleeve; 4. connecting ring; 5. clamping block; 6. clamping rod; 7. left connecting rod; 8. right connecting rod; 9. first nut; 10. connecting nut; 11. step nut; 12. horizontal plate; 13. transmission rod; 14. arc groove; 15. guide ring; 16. guide groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1 - Figure 6 The PE pipe with a clamping and locking structure shown in the figure includes a first pipe 1 and a second pipe 2. A sealing sleeve 3 is commonly provided on the outer side of the first pipe 1 and the second pipe 2. The sealing sleeve 3 is made of rubber and is a prior art, which will not be described in detail here. Two connecting rings 4 are provided on the outer side of the sealing sleeve 3. A plurality of clamping blocks 5 are movably provided on the inner side of the connecting ring 4. A clamping rod 6 for clamping the sealing sleeve 3 is fixedly provided at the lower end of the clamping block 5. A left sub-connecting rod 7 is fixedly provided at one end of each separated clamping rod 6, and a right sub-connecting rod 8 is fixedly provided at the end of the other clamping rod 6 away from the left sub-connecting rod 7.

[0027] A first nut 9 is rotatably provided on the outer side of the first pipe 1, a connecting nut 10 is fixedly provided on the outer side of the second pipe 2, a step nut 11 is threadedly connected on the outer sides of the first nut 9 and the connecting nut 10, one end of the sealing sleeve 3 is fixedly connected to one end of the first nut 9, the outer side of the connecting ring 4 is fixedly connected to the inner side of the first pipe 1, and a horizontal plate 12 is fixedly provided on the outer side of the second pipe 2.

[0028] A plurality of transmission rods 13 are fixedly provided at one end of the connecting nut 10 corresponding to the first nut 9, an arc groove 14 is penetrated at one end of the clamping block 5, and the transmission rod 13 moves through the arc groove 14, a guide ring 15 is fixedly provided on the inner side of the first nut 9, a guide groove 16 is provided at one end of the guide ring 15, and one end of the transmission rod 13 moves inside the guide groove 16.

[0029] A rectangular groove for the movement of the clamping block 5 is provided on the inner side of the connecting ring 4 to ensure that the transmission rod 13 can drive the clamping block 5 to move up and down.

[0030] The number of clamping blocks 5 and transmission rods 13 is equal to ensure that each clamping block 5 can be driven by the transmission rod 13 to clamp and wrap the sealing sleeve 3.

[0031] The clamping rod 6 and the left and right connecting rods 7 and 8 are all arranged in an arc shape. The angle between the two ends of the clamping rod 6 is 30°, the angle between the two ends of the left connecting rod 7 is 60°, and the angle between the two ends of the right connecting rod 8 is the same as that of the left connecting rod 7.

[0032] Working principle: The operator aligns the first pipe 1 and the second pipe 2, drives the first pipe 1 so that the sealing sleeve 3 is sleeved on the outside of the second pipe 2, and then aligns the first nut 9 and the connecting nut 10, rotates the first nut 9, and then the first nut 9 and the connecting nut 10 are threadedly connected, and then the first nut 9 and the connecting nut 10 are connected through the step nut 11, and the first pipe 1 and the second pipe 2 are fixed;

[0033] When the first pipe 1 and the second pipe 2 are connected, the connecting nut 10 drives the transmission rod 13 to enter the arc groove 14 on the clamping block 5 until it enters the guide groove 16 on the guide ring 15, and then when the first nut 9 is rotated, the first nut 9 drives the connecting ring 4 to rotate, and then the connecting ring 4 drives the clamping block 5 to rotate. Through the setting of the arc groove 14, the clamping block 5 is limited by the arc groove 14 and the transmission rod 13, and the clamping block 5 drives the clamping rod 6 to move toward the sealing sleeve 3, so that the clamping rod 6 initially clamps and seals the sealing sleeve 3, and multiple clamping rods 6 drive the left connecting rod 7 and the right connecting rod 8 to move, and through the expansion angle of the left connecting rod 7 and the right connecting rod 8, the sealing sleeve 3 is fully locked.

Claims

1. A PE pipe with a clamping and locking structure, comprising a first pipe (1) and a second pipe (2), characterized in that: The first pipe (1) and the second pipe (2) are provided with a sealing sleeve (3) on their outer sides, two connecting rings (4) are provided on their outer sides, a plurality of clamping blocks (5) are movably provided on the inner sides of the connecting rings (4), a clamping rod (6) for pressing the sealing sleeve (3) is fixedly provided at the lower end of the clamping block (5), a left connecting rod (7) is fixedly provided at one end of each of the clamping rods (6), and a right connecting rod (8) is fixedly provided at one end of the other clamping rods (6) away from the left connecting rod (7); The clamping rod (6) and the left sub-connecting rod (7) and the right sub-connecting rod (8) are all arranged in an arc shape. The angle between the two ends of the clamping rod (6) is 30°, the angle between the two ends of the left sub-connecting rod (7) is 60°, and the angle between the two ends of the right sub-connecting rod (8) is the same as that of the left sub-connecting rod (7).

2. The PE pipe with a clamping and locking structure according to claim 1, characterized in that: A first nut (9) is rotatably provided on the outer side of the first pipe (1), a connecting nut (10) is fixedly provided on the outer side of the second pipe (2), a step nut (11) is threadedly connected on the outer sides of the first nut (9) and the connecting nut (10), and a horizontal plate (12) is fixedly provided on the outer side of the second pipe (2).

3. The PE pipe with a clamping and locking structure according to claim 2, characterized in that: A plurality of transmission rods (13) are fixedly provided at one end of the connecting nut (10) corresponding to the first nut (9); a guide ring (15) is fixedly provided inside the first nut (9); a guide groove (16) is provided at one end of the guide ring (15); and one end of the transmission rod (13) is movably located inside the guide groove (16).

4. The PE pipe with a clamping and locking structure according to claim 3, characterized in that: An arc-shaped groove (14) is formed through one end of the clamping block (5), and the transmission rod (13) movably passes through the arc-shaped groove (14).

5. The PE pipe with a clamping and locking structure according to claim 1, characterized in that: A rectangular groove for the movement of the clamping block (5) is provided on the inner side of the connecting ring (4).

6. The PE pipe with a clamping and locking structure according to claim 3, characterized in that: The clamping blocks (5) and transmission rods (13) are arranged in equal numbers.

7. The PE pipe with a clamping and locking structure according to claim 2, characterized in that: One end of the sealing sleeve (3) is fixedly connected to one end of the first nut (9), and the outer side of the connecting ring (4) is fixedly connected to the inner side of the first pipe (1).

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