Drainage pipe expansion joint with compression resistance function
By designing the drain pipe telescopic section with outer pipe, inner pipe, limit chute and reinforcement ring, the problem of lack of length adjustment and compression resistance functions of telescopic sections in the prior art is solved, and the length adjustment and pressure resistance of telescopic sections are realized. The capability ensures the normal operation and strength of the drainage pipe.
Patent Information
- Application Number
- CN202420483687.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-13
AI Technical Summary
The existing filling pipe expansion joints cannot adjust the length when they need to be customized in special occasions, and lack compressive resistance, resulting in deformation and inability to work properly under extrusion.
A drain pipe telescopic section including outer pipe, inner pipe, limit slide chute, slider, reinforcement ring, fixed ring, movable rod, moving block and adjustment bolt were designed to increase the overall strength through hollowing and reinforcement ribs to achieve telescopic scaling. Regulation and anti-compression functions.
The length adjustment and compression resistance of the telescopic joints are realized, which avoids deformation caused by extrusion, ensures the normal operation of the drainage pipe, and improves the overall strength and support of the telescopic joints.
Smart Images
Figure CN222209477U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of expansion joints, in particular to a drainage pipe expansion joint with a pressure-resistant function. Background Art
[0002] The expansion joint can also be called pipeline expansion joint, expansion joint, compensator, expansion joint, etc. The expansion joint is divided into several types: corrugated expansion joint, sleeve expansion joint, square natural compensation expansion joint, etc. Among them, the pipeline compensator is more commonly used. The application number CN201710300771.6 is retrieved, which is a filling pipeline expansion joint. The invention can freely expand and contract when the ambient temperature changes, solving the problem of thermal expansion and contraction of the filling pipeline.
[0003] Similar to the above-mentioned filling pipe expansion joint: although the second expansion pipe is installed on the outside of the first expansion pipe, it can freely expand and contract when the ambient temperature changes, but in some special occasions, it is necessary to specially customize the expansion joint of a certain length. The expansion joint does not have the function of expanding and contracting to adjust the length. Secondly, it does not have the pressure-resistant function. When facing extrusion, the expansion joint is easily deformed, resulting in failure to work normally.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a drainage pipe expansion joint with pressure resistance function is proposed to achieve a more practical purpose. Utility Model Content
[0005] The purpose of the utility model is to provide a drainage pipe expansion joint with a pressure-resistant function to solve the problem that the above-mentioned filling pipe expansion joint proposed in the above-mentioned background technology firstly, at this stage, conveyors may need to specially customize expansion joints of a certain length in some special occasions, and the expansion joints do not have the function of telescopically adjusting the length; secondly, it does not have a pressure-resistant function, and the expansion joints are easily deformed when facing extrusion, thereby causing the problem of not being able to work normally.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drainage pipe expansion joint with a pressure-resistant function, comprising an outer tube, an inner tube and a limiting slide groove, one side of the outer tube is embedded with the inner tube, the end of the outer tube away from the inner tube is connected to a No. 1 flange, the end of the inner tube away from the outer tube is connected to a No. 2 flange, the limiting slide groove is arranged on the outer wall of the inner tube close to the outer tube, the inner wall of the outer tube close to the inner tube is arranged with a slider, the slider is embedded in the limiting slide groove, both ends of the inner wall of the limiting slide groove are provided with rubber blocks, the end of the inner tube away from the No. 2 flange is provided with a sealing rubber ring, the sealing rubber The outer wall of the rubber ring is in contact with the inner wall of the outer tube, and the inner walls of the inner tube and the outer tube are both arranged with reinforcement rings, and the outer walls of the inner tube and the outer tube are both wrapped with fixing rings, and the interior of the fixing rings is arranged with through holes, and a movable rod is arranged between the two groups of fixing rings, and the two ends of the movable rod pass through the two groups of through holes to connect with the limiting blocks respectively, and a spring is wrapped around the outer wall of the movable rod in the middle of the two groups of fixing rings, and a groove is provided on the outer wall of the movable rod close to the outer tube, and a moving block is sleeved on the side of the movable rod close to the outer tube, and an adjusting bolt is provided on the top of the moving block, and the output end of the adjusting bolt is in contact with the groove.
[0007] Furthermore, the outer tube and the inner tube are both arranged with hollows, and the hollows are provided with reinforcing ribs.
[0008] Compared with the prior art, the utility model has the following beneficial effects: a drainage pipe expansion joint with a pressure-resistant function, the overall length of the movable rod can be adjusted by using a moving block, and the position of the moving block can be fixed by twisting the adjusting bolt, so that the moving block plays a role in limiting the expansion and contraction of the outer tube and the inner tube, so that the extension range of the inner tube and the outer tube can be adjusted, and the inner walls of the inner tube and the outer tube are arranged with reinforcing rings, so that the expansion joint has a certain pressure-resistant function to avoid deformation due to extrusion, and the hollowing and reinforcing ribs are arranged to improve the overall strength of the expansion joint. The specific contents are as follows:
[0009] The inner walls of the inner tube and the outer tube are arranged with reinforcement rings, which play a role in strengthening the support of the inner wall of the expansion joint, so that the expansion joint has a certain pressure resistance function to avoid extrusion deformation. The outer walls of the inner tube and the outer tube are surrounded by fixing rings, which play a fixing role. Through holes are arranged inside the fixing rings, which play the role of limiting movable rods. A movable rod is arranged between the two groups of fixing rings. The two ends of the movable rod pass through the two groups of through holes to connect with limiting blocks. The limiting blocks play a limiting role, which limits the maximum extension range of the inner tube and the outer tube to avoid separation caused by excessive extension of the inner tube and the outer tube, thereby causing pipeline leakage. The outer wall of the movable rod close to the outer tube is set A card slot is provided, which plays a limiting role. A moving block is sleeved on the side of the movable rod close to the outer tube. The moving block can move on the outer wall of the movable rod. An adjusting bolt is provided on the top of the moving block. The output end of the adjusting bolt abuts against the card slot. The position of the moving block can be fixed by twisting the adjusting bolt, so that the moving block plays a role in limiting the extension and contraction of the outer tube and the inner tube, so that the extension range of the inner tube and the outer tube is adjustable, which is convenient for different use situations of the drainage pipe. Hollows are arranged inside the outer tube and the inner tube. The hollows are in a circular ring shape to improve the support of the expansion joint. Reinforcing ribs are provided inside the hollows to improve the overall strength of the expansion joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a front view structural schematic diagram of a drainage pipe expansion joint with a pressure-resistant function according to the utility model;
[0011] Figure 2 This is a schematic diagram of the main structure of a drainage pipe expansion joint with a pressure-resistant function according to the utility model;
[0012] Figure 3 This is a schematic diagram of the structure of a movable block of a drainage pipe expansion joint with a pressure-resistant function according to the utility model;
[0013] Figure 4 The utility model is a schematic diagram of the structure of a reinforcement ring of a drainage pipe expansion joint with a pressure-resistant function.
[0014] In the figure: 1. outer tube; 2. inner tube; 3. No. 1 flange; 4. No. 2 flange; 5. limit slide groove; 6. slider; 7. rubber block; 8. sealing rubber ring; 9. reinforcement ring; 10. fixing ring; 101. through hole; 11. movable rod; 12. limit block; 13. spring; 14. slot; 15. moving block; 16. adjusting bolt; 17. hollowing; 18. reinforcing rib. DETAILED DESCRIPTION
[0015] 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.
[0016] See also Figure 1-Figure 4 The utility model provides a technical solution: a drainage pipe expansion joint with a pressure-resistant function, comprising an outer tube 1, an inner tube 2 and a limiting slide groove 5. The inner tube 2 is embedded on one side of the outer tube 1, and the inner tube 2 can be telescopically moved inside the outer tube 1. The end of the outer tube 1 away from the inner tube 2 is connected to a No. 1 flange 3, and the end of the inner tube 2 away from the outer tube 1 is connected to a No. 2 flange 4. The outer tube 1 and the inner tube 2 can be connected to the drainage pipe through the No. 1 flange 3 and the No. 2 flange 4. The limiting slide groove 5 is arranged on the outer wall of the inner tube 2 close to the outer tube 1, and the limiting slide groove 5 plays a limiting role.
[0017] A slider 6 is arranged on the inner wall of the outer tube 1 close to the inner tube 2. The slider 6 is embedded in the limiting slide groove 5. The slider 6 can move in the limiting slide groove 5. The slider 6 cooperates with the limiting slide groove 5 so that the inner tube 2 and the outer tube 1 can be telescopically adjusted. Rubber blocks 7 are arranged at both ends of the inner wall of the limiting slide groove 5. The rubber blocks 7 abut against the inner wall of the outer tube 1 to play a certain sealing role to prevent water leakage in the expansion joint.
[0018] A sealing rubber ring 8 is arranged at one end of the inner tube 2 away from the No. 2 flange 4. The outer wall of the sealing rubber ring 8 abuts against the inner wall of the outer tube 1. The sealing rubber ring 8 plays a sealing role to prevent water leakage. The inner walls of the inner tube 2 and the outer tube 1 are both arranged with reinforcement rings 9. The reinforcement rings 9 play a role in strengthening the support of the inner wall of the expansion joint, so that the expansion joint has a certain pressure resistance function to avoid extrusion deformation.
[0019] The outer walls of the inner tube 2 and the outer tube 1 are both wrapped with a fixing ring 10, which plays a fixing role. The interior of the fixing ring 10 is arranged with through holes 101, which play the role of limiting the movable rod 11. A movable rod 11 is arranged between the two groups of fixing rings 10. The movable rod 11 can move in the through hole 101, playing a certain limiting role to prevent the inner tube 2 and the outer tube 1 from being unable to be extended or retracted due to angular deviation during the extension and retraction process. The two ends of the movable rod 11 pass through the two groups of through holes 101 to connect to the limiting blocks 12, which play a limiting role, limiting the maximum extension range of the inner tube 2 and the outer tube 1 to prevent the inner tube 2 and the outer tube 1 from being separated due to excessive extension, thereby causing water leakage in the pipeline.
[0020] A spring 13 is wound around the outer wall of the movable rod 11 in the middle of the fixed ring 10. The spring 13 has a certain elastic force that can make the over-contracted telescopic joint play a certain role. A groove 14 is provided on the outer wall of the movable rod 11 on the side close to the outer tube 1. The groove 14 plays a limiting role. A moving block 15 is sleeved on the side of the movable rod 11 close to the outer tube 1. The moving block 15 can move on the outer wall of the movable rod 11. An adjusting bolt 16 is provided on the top of the moving block 15. The output end of the adjusting bolt 16 abuts against the groove 14. The overall length of the movable rod 11 can be adjusted by the moving block 5. The position of the moving block 15 can be fixed by twisting the adjusting bolt 16, so that the moving block 15 plays a role in limiting the expansion and contraction of the outer tube 1 and the inner tube 2, so that the extension range of the inner tube 2 and the outer tube 1 is adjustable, which is convenient for different usage scenarios of the drainage pipe.
[0021] Hollows 17 are arranged inside the outer tube 1 and the inner tube 2. The hollows 17 are ring-shaped to improve the support of the telescopic joint. Reinforcing ribs 18 are arranged inside the hollows 17 to improve the overall strength of the telescopic joint.
[0022] Working principle: When using a drainage pipe expansion joint with a pressure-resistant function, the outer tube 1 and the inner tube 2 can be connected to the drainage pipe through the No. 1 flange 3 and the No. 2 flange 4, and the slider 6 is embedded in the limiting slide 5. The slider 6 can move in the limiting slide 5. The slider 6 cooperates with the limiting slide 5 to enable the inner tube 2 and the outer tube 1 to be telescopically adjusted. Rubber blocks 7 are provided at both ends of the inner wall of the limiting slide 5. The rubber blocks 7 are in contact with the inner wall of the outer tube 1 to play a certain sealing role to prevent water leakage in the expansion joint. The sealing rubber ring 8 plays a sealing role to prevent water leakage. The inner walls of the inner tube 2 and the outer tube 1 are arranged with reinforcement rings 9. The reinforcement rings 9 play a role in strengthening the support of the inner wall of the expansion joint, so that the expansion joint has a certain pressure-resistant function. The moving block 15 can move on the outer wall of the movable rod 11, and an adjusting bolt 16 is arranged on the top of the moving block 15. The output end of the adjusting bolt 16 abuts against the slot 14. The overall length of the movable rod 11 can be adjusted by the moving block 5. The position of the moving block 15 can be fixed by twisting the adjusting bolt 16, so that the moving block 15 plays a role in limiting the telescopic movement of the outer tube 1 and the inner tube 2, so that the extension range of the inner tube 2 and the outer tube 1 is adjustable, which is convenient for different use situations of the drainage pipe. Hollows 17 are arranged inside the outer tube 1 and the inner tube 2. The hollows 17 are annular to improve the support of the telescopic joint. Reinforcing ribs 18 are arranged inside the hollows 17 to improve the overall strength of the telescopic joint.
Claims
1. A drainage pipe expansion joint with a pressure-resistant function, comprising an outer pipe (1), an inner pipe (2) and a limiting slide groove (5), characterized in that: The inner tube (2) is embedded in one side of the outer tube (1); the end of the outer tube (1) away from the inner tube (2) is connected to a first flange (3); the end of the inner tube (2) away from the outer tube (1) is connected to a second flange (4); the limiting slide groove (5) is arranged on the outer wall of the inner tube (2) close to the outer tube (1); the inner wall of the outer tube (1) close to the inner tube (2) is arranged with a slider (6); the slider (6) is embedded in the limiting slide groove (5); rubber blocks (7) are arranged at both ends of the inner wall of the limiting slide groove (5); the end of the inner tube (2) away from the second flange (4) is provided with a sealing rubber ring (8); the outer wall of the sealing rubber ring (8) is in contact with the inner wall of the outer tube (1); the inner walls of the inner tube (2) and the outer tube (1) are both arranged with reinforcement rings (9), a fixing ring (10) is wound around the outer wall of the inner tube (2) and the outer tube (1), and through holes (101) are arranged inside the fixing ring (10), and a movable rod (11) is arranged between the two groups of fixing rings (10), and the two ends of the movable rod (11) pass through the two groups of through holes (101) to connect to the limiting block (12), and a spring (13) is wound around the outer wall of the movable rod (11) in the middle of the two groups of fixing rings (10), and a clamping groove (14) is arranged on the outer wall of the movable rod (11) on the side close to the outer tube (1), and a moving block (15) is sleeved on the side of the movable rod (11) close to the outer tube (1), and an adjusting bolt (16) is arranged on the top of the moving block (15), and the output end of the adjusting bolt (16) is in contact with the clamping groove (14).
2. The expansion joint for a drainage pipe with a pressure-resistant function according to claim 1, characterized in that: Hollows (17) are arranged inside the outer tube (1) and the inner tube (2), and reinforcing ribs (18) are arranged inside the hollows (17).