Large-diameter spiral pipe connecting piece

Abstract

A large-diameter spiral pipe connecting piece comprises two semicircular clamping plates which are oppositely arranged. The inner wall of the combination of the two clamping plates is ring-shaped; the two ends of the clamping plate extend to form connecting plates. The oppositely-arranged connecting plates of the two clamping plates are connected through a plurality of first fixing bolts. A plurality of partition rubber strips are arranged on the inner wall of the clamping plate; semicircular soft rubber sealing rings are fixedly arranged at the two ends of the clamping plate. A reinforcing fixing ring is arranged on the outer side of the soft rubber sealing ring; the two opposite reinforcing fixing rings are connected through a second fixing bolt. The flexible rubber sealing rings are arranged at the two ends of the clamping plates, the reinforcing fixing rings are used for pressurizing the flexible rubber sealing rings, so that the two ends of the clamping plates are well sealed through the flexible rubber sealing rings, the inner space formed by the two clamping plates is completely sealed through the combination of the flexible rubber sealing rings, the sealing grooves and the sealing strips which are arranged on the two sides of the clamping plates, and the situation of water leakage is prevented. The spiral pipe connecting piece achieves good sealing and internal space partition effects, and the water leakage prevention performance is improved.

Description

Technical Field

[0001] The utility model belongs to the field of parts for water supply and drainage pipelines, and in particular relates to a large-diameter spiral pipe connector. Background Art

[0002] Large-diameter spiral pipes were introduced to my country from abroad in the 1920s. They are mostly used to replace cement pipes as water supply and drainage pipes. They have good pressure resistance and corrosion resistance. During the laying and connection process of large-diameter threaded pipes, two relatively large-diameter spiral pipes need to be sealed and connected. The commonly used large-diameter corrugated pipe connection methods are fusion welding and connector wrapping connection. Fusion welding requires the use of welding guns and electrodes, and heating and welding from the inside and outside of the pipe. The welding environment is required to be water-free and dust-free. The welding technology, equipment and environmental requirements are high and difficult to popularize. The commonly used connector wrapping connection method has a poor sealing effect on the connector, and it is easy to leak at the connection position, affecting the connection effect and subsequent use. Utility Model Content

[0003] The utility model aims to provide a large-diameter spiral pipe connector to solve the problem that welding requires the use of welding guns and welding rods, heating and welding from the inside and outside of the pipe, and requires a water-free and dust-free welding environment. The welding technology, equipment and environmental requirements are high and difficult to popularize. The commonly used connector wrapping connection method has a poor sealing effect on the connector, and water leakage at the connection position is prone to occur, affecting the connection effect and subsequent use. Technical problems.

[0004] To achieve the above purpose, the specific technical solution of a large diameter spiral pipe connector of the utility model is as follows:

[0005] A large-diameter spiral pipe connector comprises two semicircular ring-shaped clamping plates arranged opposite to each other; the inner wall of the two clamping plates is in the shape of a ring; connecting plates are extended at both ends of the clamping plates; the two connecting plates arranged opposite to each other are connected by a plurality of first fixing bolts; a plurality of partitioning rubber strips are arranged on the inner wall of the clamping plates; semicircular soft rubber sealing rings are fixedly arranged at both ends of the clamping plates; a reinforcing fixing ring is arranged on the outer side of the soft rubber sealing ring; and the two relatively reinforcing fixing rings are connected by a second fixing bolt.

[0006] Furthermore, the clamping plate is set to a spiral shape of corresponding size and shape according to the spiral size of the spiral tube to be connected.

[0007] Furthermore, an arc-shaped groove is provided at the position of the partition rubber strip relative to the groove of the inner wall of the clamping plate.

[0008] Furthermore, one of the connecting plates is provided with a sealing strip near the edge of the clamping plate; and the other connecting plate is provided with a sealing groove at a position relative to the sealing strip.

[0009] The utility model discloses a large-diameter spiral pipe connector with the following advantages: a sealing connector for a large-diameter spiral pipe is formed by two relatively arranged clamping plates, a partition rubber strip is arranged on the inner wall of the clamping plate, and after the two clamping plates are fixed to the outer side of the large-diameter spiral pipe by the connecting plate, the partition rubber strip effectively separates the space formed by the clamping plate and the outer side of the spiral pipe, forming an independent sealing effect to prevent liquid from flowing, and the arc-shaped groove arranged on the partition rubber strip enables the partition rubber strip to better fit the outer wall of the spiral pipe, so that the sealing effect is stronger and liquid leakage is prevented; a relative sealing groove and a sealing strip are arranged on the connecting plate, and the cooperation between the sealing groove and the sealing strip A sealed space is formed between the two clamping plates, so that when the spiral tube connected inside the two clamping plates leaks, it cannot flow out of the clamping plates, and the sealing effect is better; soft rubber sealing rings are provided at both ends of the clamping plates, and the soft rubber sealing rings are pressurized by using a reinforced fixing ring, so that the soft rubber sealing rings form a better sealing effect on both ends of the clamping plates, and the combination of the sealing grooves and sealing strips provided on both sides of the clamping plates completely seals the internal space formed by the two clamping plates to prevent water leakage, and cooperates with the partition space formed by the partition rubber strips provided inside the clamping plates to enable the spiral tube connector to achieve better sealing and internal space partitioning effects, thereby increasing the anti-leakage performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the middle A area;

[0012] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0013] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the middle B area;

[0014] Explanation of markings in the figure: 1. Clamping plate; 2. Connecting plate; 3. First fixing bolt; 4. Partitioning rubber strip; 401. Arc-shaped groove; 5. Soft rubber sealing ring; 6. Reinforced fixing ring; 7. Second fixing bolt; 8. Sealing strip; 9. Sealing groove. DETAILED DESCRIPTION

[0015] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a large-diameter spiral pipe connector of the utility model in conjunction with the accompanying drawings.

[0016] like Figure 1-4As shown, the utility model is a large-diameter spiral pipe connector, comprising two relatively arranged semicircular ring clamping plates 1; the combined inner wall of the two clamping plates 1 is in a circular ring shape; connecting plates 2 are extended at both ends of the clamping plates 1; the connecting plates 2 relatively arranged between the two clamping plates 1 are connected by multiple first fixing bolts 3; multiple partition strips 4 are arranged on the inner wall of the clamping plate 1; semicircular soft rubber sealing rings 5 ​​are fixedly arranged at both ends of the clamping plate 1; a reinforcing fixing ring 6 is arranged on the outer side of the soft rubber sealing ring 5; the two relatively reinforcing fixing rings 6 are connected by a second fixing bolt 7.

[0017] Combination Figure 1-4 As shown, when in use, the two large-diameter spiral pipe interfaces to be connected are placed opposite to each other, a clamping plate 1 is placed at the lower side of the interface position, and the other clamping plate 1 is placed at the upper side of the interface position, and the two clamping plates 1 are fixedly connected through the connecting plate 2 using multiple first fixing bolts 3. In the process of using multiple first fixing bolts 3 to fix the two clamping plates 1 on the outside of the interface positions of the two large-diameter spiral pipes, the partition strips 4 arranged on the inner wall of the clamping plate 1 are pressed against the outer wall of the spiral pipe by the pressure of the first fixing bolts 3 to connect and fix, so that the space formed by the outer wall of the spiral pipe and the inner wall of the clamping plate 1 is separated by multiple partition strips 4, and the space inside cannot be connected. When water leakage occurs, the liquid cannot circulate in this space; soft rubber sealing rings 5 ​​are arranged at both ends of the clamping plate 1, and the second fixing bolts 7 are used to fix the reinforcing fixing ring 6 to pressurize the soft rubber sealing ring 5, so that the soft rubber sealing ring 5 forms a better sealing effect on the two ends of the clamping plate 1 to prevent water leakage from this end of the clamping plate 1.

[0018] The clamping plate 1 is set to a spiral shape of corresponding size and shape according to the spiral size of the spiral pipe to be connected, so that the clamping plate 1 is more closely fitted to the shape of the spiral pipe. After the connector is installed, the internal air drop is smaller and water leakage is less likely to occur.

[0019] An arc groove 401 is provided at the groove position of the partition strip 4 relative to the inner wall of the clamping plate 1. The arc groove 401 provided on the partition strip 4 enables the partition strip 4 to better fit the outer wall of the spiral tube, making the sealing effect of the partition strip 4 stronger and preventing liquid from flowing in the space inside the clamping plate 1.

[0020] A sealing strip 8 is provided at the edge of a connecting plate 2 near the clamping plate 1; a sealing groove 9 is provided at a position of the other connecting plate 2 opposite to the sealing strip 8, and a sealing groove 9 and a sealing strip 8 are provided opposite to each other on the connecting plate 2. The sealing groove 9 and the sealing strip 8 are provided in cooperation with each other so that the two clamping plates 1 form a sealed space, so that when the spiral tubes connected in the two clamping plates 1 leak, liquid cannot flow out of the clamping plates 1, and the sealing effect is better; the combination of the sealing grooves 9 and the sealing strips 8 provided on both sides of the clamping plates 1 cooperates with the strengthening fixing ring 6 and the soft rubber sealing ring 5 to completely seal the internal space formed by the two clamping plates 1 to prevent water leakage, and cooperates with the partition space formed by the partition rubber strip 4 provided inside the clamping plate 1 to enable the spiral tube connector to achieve better sealing and internal space partitioning effects, thereby increasing the anti-leakage performance.

[0021] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A large diameter spiral pipe connector, characterized in that: The invention comprises two semicircular ring clamping plates (1) arranged opposite to each other; the inner wall of the two clamping plates (1) is in the shape of a ring; connecting plates (2) are extended from both ends of the clamping plates (1); the connecting plates (2) arranged opposite to each other of the two clamping plates (1) are connected by a plurality of first fixing bolts (3); a plurality of partitioning rubber strips (4) are arranged on the inner wall of the clamping plates (1); semicircular soft rubber sealing rings (5) are fixedly arranged at both ends of the clamping plates (1); a reinforcing fixing ring (6) is arranged outside the soft rubber sealing ring (5); and the two relatively reinforcing fixing rings (6) are connected by a second fixing bolt (7).

2. A large diameter spiral pipe connector according to claim 1, characterized in that: The clamping plate (1) is arranged in a spiral shape of corresponding size and shape according to the spiral size of the spiral tube to be connected.

3. A large diameter spiral pipe connector according to claim 1, characterized in that: The partition rubber strip (4) is provided with an arc-shaped groove (401) at a position of the groove relative to the inner wall of the clamping plate (1).

4. A large diameter spiral pipe connector according to claim 1, characterized in that: One of the connecting plates (2) is provided with a sealing strip (8) near the edge of the clamping plate (1); and the other connecting plate (2) is provided with a sealing groove (9) at a position opposite to the sealing strip (8).

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