Spiral corrugated pipe convenient to connect
By setting a connection groove on the docking block of the spiral bellows and equipping it with structures such as a support ring, a sealing strip and a support block, the problem that the connection method in the existing technology is difficult to strike a balance between airtightness and simplicity is solved, and a fast, firm and sealed connection effect is achieved.
Patent Information
- Application Number
- CN202422210723.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The existing connection method of spiral bellows is difficult to strike a balance between airtightness and simplicity, and lacks a design that is both airtight and easy to connect.
A connection groove is set on the docking block of the spiral corrugated pipe, and it is equipped with structures such as a support ring, a sealing strip and a support block. The connection strength and sealing are improved by using rubber rings, cable ties and stainless steel sealing strips.
It realizes the rapid connection of spiral bellows, improves the strength and sealing of the connection, simplifies the operation process, and improves the docking efficiency and service life.
Smart Images
Figure CN223331304U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spiral bellows, and more specifically, to a spiral bellows which is easy to connect. Background Art
[0002] The common spiral corrugated pipe is based on high-density polyethylene (PE), with a steel strip coated with adhesive resin on the surface formed into a waveform as the main supporting structure, and wrapped with polyethylene material to form a double-wall spiral corrugated pipe. It has the characteristics of high strength, long-term durability, and a variety of connection methods, and is widely used.
[0003] Common spiral corrugated pipes can be connected using hot melt extrusion welding, heat shrink tube (belt) connection, clamp (half sleeve) connection and electric fusion tape connection. If necessary, two connection methods can be combined. The above two connection methods are difficult to take into account both airtightness and simplicity, and lack a spiral corrugated pipe with strong airtightness and easy connection. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a spiral corrugated pipe that is easy to connect and has the advantages of quick connection and high strength at the connection.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a spiral corrugated pipe that is easy to connect, comprising a first corrugated pipe; the first corrugated pipe end is fixedly connected to a first docking block; the first corrugated pipe is provided with a second corrugated pipe; the second corrugated pipe end is fixedly connected to the second docking block; the first docking block and the second docking block are arranged correspondingly; a connecting groove is provided on the top of the first docking block; the two connecting grooves are arranged in parallel; a connecting groove is provided on the top of the second docking block; the two connecting grooves are arranged in parallel; the two connecting grooves are provided with rubber rings; the end of the first corrugated pipe away from the first docking block is fixedly connected to the second docking block; the end of the second corrugated pipe away from the second docking block is fixedly connected to the first docking block; through the above-mentioned structure, connecting grooves are simultaneously provided on the first docking block and the second docking block, so that the docking of the spiral corrugated pipes is simple while ensuring the degree of firmness, which is conducive to the spiral corrugated pipe docking personnel to simply complete the task and at the same time ensure the tight connection of the spiral corrugated pipes.
[0006] As an optimal technical solution of the present invention, a support ring is provided at the connection between the first bellows and the second bellows; a fixing block is provided on the side of the support ring; the fixing block is fixedly connected to the middle position of the side of the support ring; a fixing groove is provided on the inner side of the first docking block; a fixing groove is provided on the inner side of the second docking block; the fixing groove on the inner side of the first docking block corresponds to the fixing groove on the inner side of the second docking block; through the above structure, the support ring is fixed at the connection between the first bellows and the second bellows by setting a fixing block, thereby improving the strength of the junction of the spiral bellows, eliminating the potential hidden dangers of negative pressure, and at the same time simplifying the structure, facilitating the operation of spiral bellows docking personnel and improving work efficiency.
[0007] As an optimal technical solution of the present invention, a sealing strip is provided at the connection between the first bellows and the second bellows; tightening blocks are fixedly connected to the two ends of the sealing strip; two tightening blocks are arranged correspondingly; a cable tie is fixed between the tightening blocks; and multiple cable ties are arranged equidistantly; through the above structure, the connection between the first bellows and the second bellows is secondary sealed by the sealing strip and the cable tie, which is beneficial for the spiral bellows to block external pollution, prevent external pollution from invading, and improve the sealing performance of the spiral bellows and the stability of its internal environment.
[0008] As an optimal technical solution of the present invention, a waterproof layer is fixedly connected to the inner side of the sealing strip; the waterproof layer is set to correspond to the shape of the connection between the first corrugated pipe and the second corrugated pipe; through the above structure, the waterproof layer is set to isolate groundwater, protect the internal environment of the spiral corrugated pipe, and improve the sealing of the connection of the spiral corrugated pipe.
[0009] As an optimal technical solution of the present invention, a tube body support block is provided at the bottom of the first corrugated pipe; a tube body support block is provided at the bottom of the second corrugated pipe; a foot pad is fixedly connected to the bottom of the tube body support block; the top of the tube body support block corresponds to the bottom shape setting of the first corrugated pipe and the second corrugated pipe; through the above structure, convenience is provided for the docking work of the spiral corrugated pipes, which is beneficial for the first corrugated pipe and the second corrugated pipe to remain parallel during the docking process, thereby improving the docking efficiency of the spiral corrugated pipes.
[0010] As an optimal technical solution of the present invention, a contact support block is provided at the bottom of the joint between the first bellows and the second bellows; a foot pad is fixedly connected to the bottom of the contact support block; through the above structure, the stability of the first bellows and the second bellows is maintained in the initial docking state by the contact support block, providing assistance to the spiral bellows docking personnel, which is conducive to eliminating the influence of gravity and improving the docking quality of the spiral bellows.
[0011] As a preferred technical solution of the present invention, the sealing strip is made of stainless steel; through the above structure, the strength of the connection of the spiral bellows is improved, which is conducive to increasing the service life of the spiral bellows.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0013] 1. The utility model provides connecting grooves on both the first and second connecting blocks, thereby simplifying the connection of the spiral bellows while ensuring the firmness, which is beneficial for the spiral bellows connecting personnel to complete the task simply and ensures the tight connection of the spiral bellows.
[0014] 2. The utility model fixes the support ring at the connection between the first bellows and the second bellows by setting a fixing block, thereby improving the strength of the junction of the spiral bellows and eliminating the potential hidden dangers of negative pressure. At the same time, it simplifies the structure, facilitates the operation of spiral bellows docking personnel and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the support ring structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the rubber ring structure of the utility model;
[0018] Figure 4 This is a structural diagram of the first docking block of the utility model;
[0019] Figure 5 This is a schematic diagram of the sealing strip structure of the utility model;
[0020] Figure 6 This is a schematic diagram of the support block structure of the utility model;
[0021] In the figure: 1. First bellows; 11. First docking block; 12. Connecting groove; 13. Fixing groove; 2. Second bellows; 21. Second docking block; 3. Sealing strip; 31. Waterproof layer; 32. Tightening block; 33. Support ring; 34. Fixing block; 4. Rubber ring; 5. Contact support block; 51. Foot pad; 6. Pipe body support block; 7. Cable tie. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] like Figures 1 to 6 As shown, the utility model provides a spiral corrugated pipe that is easy to connect, including a first corrugated pipe 1; the first corrugated pipe 1 end is fixedly connected to a first docking block 11; the first corrugated pipe 1 is provided with a second corrugated pipe 2; the second corrugated pipe 2 end is fixedly connected to a second docking block 21; the first docking block 11 and the second docking block 21 are arranged correspondingly; a connecting groove 12 is opened on the top of the first docking block 11; the two connecting grooves 12 are arranged in parallel; a connecting groove 12 is opened on the top of the second docking block 21; the two connecting grooves 12 are arranged in parallel; the two connecting grooves 12 are provided with a rubber ring 4; the end of the first corrugated pipe 1 away from the first docking block 11 is fixedly connected to the second docking block 21; the end of the second corrugated pipe 2 away from the second docking block 21 is fixedly connected to the first docking block 11; during operation, before the first corrugated pipe 1 and the second corrugated pipe 2 are docked, the spiral The bellows docking personnel can first put one of the rubber rings 4 on the first docking block 11, and put the other rubber ring 4 on the second docking block 21, and then merge the first docking block 11 on the first bellows 1 with the second docking block 21 on the second bellows 2. After the first docking block 11 and the second docking block 21 are merged, the docking personnel can push the rubber ring 4 on the second docking block 21 into the connecting groove 12 close to the second bellows 2, and push the rubber ring 4 on the first docking block 11 into the connecting groove 12 of the first bellows 1, thereby completing the docking of the two spiral bellows; through the above structure, by simultaneously opening the connecting grooves 12 on the first docking block 11 and the second docking block 21, the docking of the spiral bellows is simplified while ensuring the firmness, which is conducive to the spiral bellows docking personnel to simply complete the task and ensure the tight connection of the spiral bellows.
[0024] Among them, a support ring 33 is provided at the connection between the first bellows 1 and the second bellows 2; a fixing block 34 is provided on the side of the support ring 33; the fixing block 34 is fixedly connected to the middle position of the side of the support ring 33; a fixing groove 13 is provided on the inner side of the first docking block 11; a fixing groove 13 is provided on the inner side of the second docking block 21; the fixing groove 13 on the inner side of the first docking block 11 is corresponding to the fixing groove 13 on the inner side of the second docking block 21.
[0025] The support ring 33 provides an outward support force for the connection between the first bellows 1 and the second bellows 2. When the spiral bellows docking personnel connect the first bellows 1 and the second bellows 2, they can first place the support ring 33 at the connection between the first bellows 1 and the second bellows 2, insert one side of the support ring 33 into the interior of the first bellows 1, and install the fixing block 34 on the support ring 33 into the fixing groove 13. After completing the above operations, the end of the second bellows 2 fixed with the second docking block 21 is inserted into the other side of the support ring 33, and the fixing groove 13 opened with the second docking block 21 is installed in the remaining part of the fixing block 34. After completing the above work, the personnel can continue to install the rubber ring 4 and complete the docking work. Through the above structure, the support ring 33 is fixed at the connection between the first bellows 1 and the second bellows 2 by setting the fixing block 34, thereby improving the strength of the spiral bellows junction, eliminating the potential hidden dangers of negative pressure, and simplifying the structure, facilitating the operation of the spiral bellows docking personnel and improving work efficiency.
[0026] A sealing strip 3 is provided at the connection between the first corrugated pipe 1 and the second corrugated pipe 2; tightening blocks 32 are fixedly connected to both ends of the sealing strip 3; two tightening blocks 32 are correspondingly arranged; a cable tie 7 is fixedly connected between the tightening blocks 32; and multiple cable ties 7 are equidistantly arranged.
[0027] During operation, the spiral bellows are docked, and after the support ring 33 is fitted and the two rubber rings 4 are installed, the sealing strip 3 can be placed at the connection between the first bellows 1 and the second bellows 2, and the tightening blocks 32 at both ends of the sealing strip 3 are aligned, and the contact between the two sides of the sealing strip 3 and the first bellows 1 and the second bellows 2 is checked and cleaned in time. After cleaning, the tightening blocks 32 are continuously tightened by the cable tie 7, and then the sealing strip 3 is tightened until the tightening blocks 32 at both ends are completely closed; through the above structure, the connection between the first bellows 1 and the second bellows 2 is sealed for the second time by the sealing strip 3 and the cable tie 7, which is beneficial for the spiral bellows to block external pollution, prevent external pollution from invading, and improve the sealing performance of the spiral bellows and the stability of its internal environment.
[0028] A waterproof layer 31 is fixedly connected to the inner side of the sealing strip 3 ; the waterproof layer 31 is arranged in a shape corresponding to the connection between the first bellows 1 and the second bellows 2 .
[0029] During operation, after the spiral corrugated pipe is connected and the pit is backfilled, the groundwater level will rise again, and the waterproof layer 31 is squeezed by the sealing strip 3 and wrapped around the connection between the first corrugated pipe 1 and the second corrugated pipe 2, thereby isolating the groundwater from entering the interior of the spiral corrugated pipe. Through the above structure, the waterproof layer 31 is set to isolate the groundwater, protect the internal environment of the spiral corrugated pipe, and improve the sealing of the spiral corrugated pipe connection.
[0030] Among them, a tube body support block 6 is provided at the bottom of the first corrugated tube 1; a tube body support block 6 is provided at the bottom of the second corrugated tube 2; a foot pad 51 is fixed to the bottom of the tube body support block 6; the top of the tube body support block 6 corresponds to the bottom shape of the first corrugated tube 1 and the second corrugated tube 2.
[0031] During work, after the spiral corrugated pipe docking personnel complete the docking of the spiral corrugated pipes, multiple pipe body support blocks 6 can be placed on the bottom of the first corrugated pipe 1 and the second corrugated pipe 2. The multiple pipe body support blocks 6 support the pipe bodies of the first corrugated pipe 1 and the second corrugated pipe 2 through multiple protrusions on the top. The pipe body support blocks 6 adapt to the ground conditions in the pit through the foot pads 51 at the bottom. The multiple pipe body support blocks 6 are supported on the bottom of the first corrugated pipe 1 or the second corrugated pipe 2, so that the first corrugated pipe 1 and the second corrugated pipe 2 remain parallel in the horizontal direction. Through the above structure, the spiral corrugated pipe docking work is facilitated, which is beneficial for the first corrugated pipe 1 and the second corrugated pipe 2 to remain parallel during the docking process, thereby improving the efficiency of spiral corrugated pipe docking.
[0032] A contact support block 5 is provided at the bottom of the joint between the first bellows 1 and the second bellows 2 ; a foot pad 51 is fixed to the bottom of the contact support block 5 .
[0033] During work, after the spiral corrugated pipe docking personnel have preliminarily docked the first corrugated pipe 1 and the second corrugated pipe 2, the contact support block 5 can be placed at the bottom of the docking point between the first corrugated pipe 1 and the second corrugated pipe 2 to maintain the docking state of the first corrugated pipe 1 and the second corrugated pipe 2; through the above structure, the stability of the first corrugated pipe 1 and the second corrugated pipe 2 in the preliminarily docked state is maintained by the contact support block 5, which provides assistance to the spiral corrugated pipe docking personnel, is conducive to eliminating the influence of gravity, and improves the docking quality of the spiral corrugated pipes.
[0034] Wherein, the sealing strip 3 is made of stainless steel.
[0035] The stainless steel material prevents rust and can provide sufficient support force for the connection between the first bellows 1 and the second bellows 2 to resist the impression of negative pressure inside the pipeline; through the above structure, the strength of the connection of the spiral bellows is improved, which is conducive to increasing the service life of the spiral bellows.
[0036] The working principle and use process of this utility model:
[0037] Before docking the first bellows 1 with the second bellows 2, the spiral bellows docking personnel can first put one of the rubber rings 4 on the first docking block 11, and put the other rubber ring 4 on the second docking block 21, and then merge the first docking block 11 on the first bellows 1 with the second docking block 21 on the second bellows 2. After the first docking block 11 and the second docking block 21 are merged, the docking personnel can push the rubber ring 4 on the second docking block 21 into the connecting groove 12 close to the second bellows 2, and push the rubber ring 4 on the first docking block 11 into the connecting groove 12 of the first bellows 1, thus completing the docking of the two spiral bellows. The support ring 33 can provide outward support force to the connection between the first bellows 1 and the second bellows 2, and the spiral bellows can be connected. When the corrugated pipe docking personnel connect the first corrugated pipe 1 and the second corrugated pipe 2, they can first place the support ring 33 at the connection between the first corrugated pipe 1 and the second corrugated pipe 2, insert one side of the support ring 33 into the interior of the first corrugated pipe 1, and install the fixing block 34 on the support ring 33 into the fixing groove 13. After completing the above operations, insert the end of the second corrugated pipe 2 fixedly connected to the second docking block 21 into the other side of the support ring 33, and install the fixing groove 13 opened with the second docking block 21 on the remaining part of the fixing block 34. After completing the above work, the staff can continue to install the rubber ring 4 and complete the docking work. During the spiral corrugated pipe docking process, after the installation of the support ring 33 and the installation of the two rubber rings 4, the sealing strip 3 can be placed After the first and second bellows 1 and 2 are connected, the tightening blocks 32 at both ends of the sealing strip 3 are aligned, and the contact between the two sides of the sealing strip 3 and the first and second bellows 1 and 2 is checked and cleaned in time. After cleaning, the tightening blocks 32 are continuously tightened by the cable ties 7, and then the sealing strip 3 is tightened until the tightening blocks 32 at both ends are closed. The spiral bellows are connected and the pit is backfilled. The groundwater level will rise again, and the waterproof layer 31 is squeezed by the sealing strip 3 and wrapped around the connection between the first and second bellows 1 and 2, thereby isolating the groundwater from entering the interior of the spiral bellows. When the spiral bellows are connected, the spiral bellows can be connected. The personnel can place multiple pipe body support blocks 6 at the bottom of the first and second bellows 1 and 2. The support block 6 supports the tube bodies of the first bellows 1 and the second bellows 2 through multiple protrusions on the top. The tube body support block 6 adapts to the ground conditions in the pit through the foot pad 51 at the bottom. Multiple tube body support blocks 6 are supported on the bottom of the first bellows 1 or the second bellows 2, so that the first bellows 1 and the second bellows 2 remain parallel in the horizontal direction. After the spiral bellows docking personnel complete the preliminary docking of the first bellows 1 and the second bellows 2, they can place the contact support block 5 on the bottom of the docking point between the first bellows 1 and the second bellows 2 to maintain the docking state of the first bellows 1 and the second bellows 2. The stainless steel material prevents rust and can provide sufficient support force for the connection between the first bellows 1 and the second bellows 2 to resist the impression of negative pressure inside the pipeline.
[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A spiral bellows that is easy to connect, comprising a first bellows (1); characterized in that: The end of the first bellows (1) is fixedly connected to a first docking block (11); the first bellows (1) is provided with a second bellows (2); the end of the second bellows (2) is fixedly connected to a second docking block (21); the first docking block (11) and the second docking block (21) are arranged correspondingly; a connecting groove (12) is provided on the top of the first docking block (11); the two connecting grooves (12) are arranged in parallel; a connecting groove (12) is provided on the top of the second docking block (21); the two connecting grooves (12) are arranged in parallel; the two connecting grooves (12) are provided with rubber rings (4); the end of the first bellows (1) away from the first docking block (11) is fixedly connected to the second docking block (21); the end of the second bellows (2) away from the second docking block (21) is fixedly connected to the first docking block (11).
2. The spiral corrugated pipe according to claim 1, characterized in that: A support ring (33) is provided at the connection between the first bellows (1) and the second bellows (2); a fixing block (34) is provided on the side of the support ring (33); the fixing block (34) is fixed to the middle position of the side of the support ring (33); a fixing groove (13) is provided on the inner side of the first docking block (11); a fixing groove (13) is provided on the inner side of the second docking block (21); the fixing groove (13) on the inner side of the first docking block (11) and the fixing groove (13) on the inner side of the second docking block (21) are provided correspondingly.
3. The spiral corrugated pipe according to claim 1, characterized in that: A sealing strip (3) is provided at the connection between the first corrugated pipe (1) and the second corrugated pipe (2); tightening blocks (32) are fixedly connected to both ends of the sealing strip (3); two tightening blocks (32) are correspondingly arranged; a cable tie (7) is fixedly connected between the tightening blocks (32); and a plurality of cable ties (7) are equidistantly arranged.
4. The spiral corrugated pipe according to claim 3, characterized in that: A water-proof layer (31) is fixedly connected to the inner side of the sealing strip (3); the water-proof layer (31) is arranged in a shape corresponding to the connection between the first corrugated pipe (1) and the second corrugated pipe (2).
5. The spiral bellows for easy connection according to claim 1, characterized in that: A tube body support block (6) is provided at the bottom of the first corrugated tube (1); a tube body support block (6) is provided at the bottom of the second corrugated tube (2); a foot pad (51) is fixedly connected to the bottom of the tube body support block (6); and the top of the tube body support block (6) is arranged in a shape corresponding to the bottom of the first corrugated tube (1) and the second corrugated tube (2).
6. The spiral corrugated pipe for easy connection according to claim 1, characterized in that: A contact support block (5) is provided at the bottom of the joint between the first bellows (1) and the second bellows (2); a foot pad (51) is fixedly connected to the bottom of the contact support block (5).
7. The spiral corrugated pipe for easy connection according to claim 1, characterized in that: The sealing strip (3) is made of stainless steel.