Powder conveying pipe connecting assembly

By designing flexible connection components, the problem of the direct connection between the PU conveyor pipe and the metal hard pipe is easily pierced, achieving higher sealing and production efficiency, and reducing production costs.

CN223203921UActive Publication Date: 2025-08-08GUANGZHOU FLUID SEALING TECH
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Patent Information

Application Number
CN202422475876.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-08
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

When the existing PU conveyor pipe is directly connected to the metal hard pipe, it is prone to be pierced due to the rapid flow rate of powder or pellets, resulting in frequent replacement, affecting production efficiency and increasing costs.

Method used

The conveyor pipe connection assembly made of PE material or plastic PA or polyurethane material includes the front end of the connection assembly, the middle part of the connection assembly and the tail end of the connection assembly. Square grooves and open conical surfaces are provided at the front end, seal grooves and sealing rings are provided at the middle, corrugated and inner through holes are provided at the tail end, and protective structures such as waterproof layer, fireproof layer, high temperature resistance layer, etc. are provided inside to realize flexible connection with the metal pipes and the conveyor pipeline at the end of the equipment.

Benefits of technology

It reduces the stress between the metal pipes and the conveying pipelines at the equipment end, reduces the risk of damage to the conveying pipelines, improves sealing and production efficiency, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a powder conveying pipe connecting assembly which comprises an equipment end metal pipe and a conveying pipeline and further comprises a conveying pipe connecting assembly body, the conveying pipe connecting assembly body comprises a connecting assembly front end, a connecting assembly middle part and a connecting assembly tail end, the connecting assembly front end is arranged on the outer side of one end of the equipment end metal pipe, and the connecting assembly middle part is arranged on the outer side of the other end of the equipment end metal pipe. The tail end of the connecting assembly is arranged on the inner side of one end of the conveying pipeline. One end of the conveying pipe connecting assembly body is connected with the equipment end metal pipe, and the other end of the conveying pipe connecting assembly body is connected with the conveying pipeline, so that direct connection between the equipment end metal pipe and the conveying pipeline is avoided, stress between the equipment end metal pipe and the conveying pipeline is reduced, and the conveying pipeline is not prone to cracking; the technical problem troubling customers for a long time is solved, the production cost of companies is reduced, and the production efficiency is improved; the double sealing rings are used in parallel, so that the sealing performance of the conveying pipe connecting assembly body is improved, and the sealing effect of the conveying pipe connecting assembly body is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of chemical machinery and pharmaceutical machinery, in particular to a powder delivery pipe connection component. Background Art

[0002] In the mechanical equipment of the chemical or pharmaceutical industry, there is a link that transports the powder or granular material crushed in the previous process to the next process through a conveying pipe. This conveying pipe is called a PU pipe.

[0003] However, the existing PU conveying pipe is directly connected to the metal hard pipe. During operation, the PU conveying pipe swings due to the fast flow rate of the medium, that is, powder or granular material, and is pierced by the hard pipe at the connection. It needs to be replaced every two weeks. Many companies have been troubled by this for a long time, spending a lot of manpower and material resources, and having low production efficiency. Therefore, we proposed a powder conveying pipe connection assembly to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the present utility model is to provide a powder conveying pipe connection assembly to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A powder conveying pipe connection assembly includes: a metal pipe at the equipment end and a conveying pipeline, and also includes a conveying pipe connection assembly body. The conveying pipe connection assembly body includes a connection assembly front end, a connection assembly middle part and a connection assembly tail end. The connection assembly front end is arranged on the outside of one end of the equipment end metal pipe, and the connection assembly tail end is arranged on the inside of one end of the conveying pipeline. The conveying pipe connection assembly body is made of PE material, or plastic PA or polyurethane material.

[0007] As a further solution of the present invention: the front end of the connecting component includes four groups of square grooves, and the four groups of square grooves are equidistantly arranged on one side of the front end of the connecting component. An open conical surface is provided inside one end of the front end of the connecting component, and a clamp groove is provided on the outer periphery of the front end of the connecting component.

[0008] As a further solution of the present invention: two groups of sealing grooves are provided on the inner wall of the middle part of the connecting assembly, a group of sealing rings are provided inside the two groups of sealing grooves, and a limiting step is provided on one side of the two groups of sealing grooves.

[0009] As a further solution of the present invention: a plurality of groups of corrugations are provided on one side of the outer wall of the tail end of the connecting component, and the plurality of groups of corrugations are provided on the outer wall of the tail end of the connecting component at equal distances.

[0010] As a further solution of the present invention: an inner through hole is provided inside the tail end of the connecting component.

[0011] As a further solution of the present invention: the interior of the delivery pipe connection assembly body includes a protective structure, and the protective structure includes a waterproof layer, a fireproof layer, a high-temperature resistant layer, a wear-resistant layer, a reinforcement layer, and a sealing layer.

[0012] As a further solution of the present invention: the fireproof layer is arranged on the outside of the waterproof layer, the high temperature resistant layer is arranged on the outside of the fireproof layer, the wear-resistant layer is arranged on the outside of the high temperature resistant layer, the reinforcement layer is arranged on the outside of the wear-resistant layer, and the sealing layer is arranged on the outside of the reinforcement layer.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The powder material conveying pipe connection assembly is provided with a conveying pipe connection assembly body, one end of which is connected to the metal pipe at the equipment end, and the other end is connected to the conveying pipeline, thereby avoiding direct connection between the metal pipe at the equipment end and the conveying pipeline, reducing the stress between them, and making the conveying pipeline less likely to crack; solving the technical problems that have long plagued customers, reducing the company's production costs, and improving production efficiency; and by providing double sealing rings for parallel use, improving the sealing performance of the conveying pipe connection assembly body, making the sealing effect of the conveying pipe connection assembly body better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] Figure 2 This is a structural diagram of the delivery pipe connection assembly body in the present invention.

[0017] Figure 3 It is a structural diagram of the sealing ring in the utility model.

[0018] Figure 4 It is a cross-sectional schematic diagram of the delivery pipe connection assembly body in the present utility model.

[0019] Among them: 1. Metal pipe at the equipment end; 2. The main body of the conveying pipe connecting assembly; 3. The conveying pipeline; 4. The front end of the connecting assembly; 5. The middle part of the connecting assembly; 6. The tail end of the connecting assembly; 7. The square groove; 8. The open cone surface; 9. The clamping groove; 10. The sealing groove; 11. The sealing ring; 12. The limiting step; 13. The corrugation; 14. The inner through hole; 15. The waterproof layer; 16. The fireproof layer; 17. The high temperature resistant layer; 18. The wear-resistant layer; 19. The reinforcement layer; 20. The sealing layer. DETAILED DESCRIPTION

[0020] In one embodiment, Figures 1-4As shown, a powder conveying pipe connection assembly includes: a metal pipe 1 at the equipment end and a conveying pipe 3, and also includes a conveying pipe connection assembly body 2. The conveying pipe connection assembly body 2 includes a connection assembly front end 4, a connection assembly middle part 5 and a connection assembly tail end 6. The connection assembly front end 4 is arranged on the outside of one end of the metal pipe 1 at the equipment end, and the connection assembly tail end 6 is arranged on the inside of one end of the conveying pipe 3. The conveying pipe connection assembly body 2 is made of PE material, and can also be made of other plastic PA or polyurethane materials; when in use, the connection assembly front end 4 is arranged on the outer wall of one side of the metal pipe 1 at the equipment end, and the connection assembly tail end 6 is arranged on the inner wall of one side of the conveying pipe 3; by setting the conveying pipe connection assembly body 2, one end is connected to the metal pipe 1 at the equipment end, and the other end is connected to the conveying pipe 3, thereby avoiding direct connection between the metal pipe 1 at the equipment end and the conveying pipe 3, reducing the stress between them, and the conveying pipe 3 is not easy to crack; it solves the technical problems that have long plagued customers, reduces the company's production costs, and improves production efficiency.

[0021] like Figure 1-Figure 3 As shown, the front end 4 of the connecting component includes four groups of square grooves 7, and the four groups of square grooves 7 are equidistantly arranged on one side of the front end 4 of the connecting component. An open conical surface 8 is provided inside one end of the front end 4 of the connecting component, and a clamp groove 9 is provided on the outer periphery of the front end 4 of the connecting component; by arranging multiple groups of square grooves 7 on the front end 4 of the connecting component, the opening of the front end 4 of the connecting component can be expanded outward, which is convenient for the insertion of the metal pipe 1 at the equipment end, and the insertion of the metal pipe 1 at the equipment end is further facilitated by arranging the open conical surface 8. At the same time, by arranging the clamp groove 9 on the front end 4 of the connecting component, during installation, after the metal pipe 1 at the equipment end is inserted into the inner wall of the conveying pipe connecting component body 2, it is tightened with a clamp at the position of the clamp groove 9. Two sets of sealing grooves 10 are provided on the inner wall of the middle part 5 of the connecting assembly, and a set of sealing rings 11 are provided inside each of the two sets of sealing grooves 10. A limiting step 12 is provided on one side of each set of sealing grooves 10. By providing two sets of sealing grooves 10 on the inner wall of the middle part 5 of the connecting assembly, and by installing sealing rings 11 in both sets of sealing grooves 10, the outer circle of the metal pipe 1 at the equipment end can be sealed. By providing the limiting step 12 on the inner wall of the middle part 5 of the connecting assembly, the metal pipe 1 at the equipment end can be limited when inserted into the inner wall of the conveying pipe connecting assembly body 2. Multiple sets of corrugations 13 are provided on one side of the outer wall of the tail end 6 of the connecting assembly, and the multiple sets of corrugations 13 are equidistantly provided on the outer wall of the tail end 6 of the connecting assembly. Multiple sets of corrugations 13 are designed on the outer circle of the tail end 6 of the connecting assembly, so that the conveying pipe 3 is not easy to slip after insertion. An internal through hole 14 is provided inside the tail end 6 of the connecting assembly. The internal through hole 14 provided inside the tail end 6 of the connecting assembly is a passage for chemical powder or granular material.

[0022] like Figures 1-4As shown, the interior of the conveying pipe connection component body 2 includes a protective structure, which includes a waterproof layer 15, a fireproof layer 16, a high-temperature resistant layer 17, a wear-resistant layer 18, a reinforcement layer 19, and a sealing layer 20; the fireproof layer 16 is arranged on the outside of the waterproof layer 15, the high-temperature resistant layer 17 is arranged on the outside of the fireproof layer 16, the wear-resistant layer 18 is arranged on the outside of the high-temperature resistant layer 17, the reinforcement layer 19 is arranged on the outside of the wear-resistant layer 18, and the sealing layer 20 is arranged on the outside of the reinforcement layer 19; by arranging the waterproof layer 15, the fireproof layer 16, the high-temperature resistant layer 17, the wear-resistant layer 18, the reinforcement layer 19, and the sealing layer 20, the conveying pipe connection component body 2 can have the functions of waterproofing, fireproofing, high-temperature resistant, friction-resistant, reinforcement, and sealing.

[0023] The above embodiment discloses a powder conveying pipe connection assembly. When in use, the front end 4 of the connection assembly is set on the outer wall of one side of the equipment end metal pipe 1, and the tail end 6 of the connection assembly is set on the inner wall of one side of the conveying pipe 3. By setting multiple sets of square grooves 7 on the front end 4 of the connection assembly, the opening of the front end 4 of the connection assembly can be expanded outward, which is convenient for the insertion of the equipment end metal pipe 1, and the opening cone 8 is further facilitated by setting the opening cone 8. At the same time, by setting the clamp groove 9 on the front end 4 of the connection assembly, when installing, after the equipment end metal pipe 1 is inserted into the inner wall of the conveying pipe connection assembly body 2, the clamp groove 9 is set. The position of the hoop groove 9 is tightened with a clamp. By providing two groups of sealing grooves 10 on the inner wall of the middle part 5 of the connecting component, and both groups of sealing grooves 10 are equipped with sealing rings 11, the outer circle of the metal pipe 1 at the equipment end can be sealed. By providing a limiting step 12 on the inner wall of the middle part 5 of the connecting component, when the metal pipe 1 at the equipment end is inserted into the inner wall of the conveying pipe connecting component body 2, it plays a limiting role. Multiple groups of corrugations 13 are designed at the outer circle of the tail end 6 of the connecting component. After the conveying pipe 3 is inserted, it is not easy to slip off, thereby avoiding direct connection between the metal pipe 1 at the equipment end and the conveying pipe 3, reducing the stress between them, and the conveying pipe 3 is not easy to crack.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A powder delivery pipe connection assembly, characterized in that: include: The equipment-end metal pipe (1) and the delivery pipe (3) also include a delivery pipe connection assembly body (2), wherein the delivery pipe connection assembly body (2) includes a connection assembly front end (4), a connection assembly middle part (5) and a connection assembly tail end (6), wherein the connection assembly front end (4) is arranged on the outside of one end of the equipment-end metal pipe (1), and the connection assembly tail end (6) is arranged on the inside of one end of the delivery pipe (3), and the delivery pipe connection assembly body (2) is made of PE material, or plastic PA or polyurethane material.

2. A powder conveying pipe connection assembly according to claim 1, characterized in that: The front end (4) of the connecting component comprises four groups of square grooves (7), and the four groups of square grooves (7) are arranged at equal distances on one side of the front end (4) of the connecting component. An open conical surface (8) is provided inside one end of the front end (4) of the connecting component, and a clamp groove (9) is provided on the outer periphery of the front end (4) of the connecting component.

3. The powder conveying pipe connection assembly according to claim 1, characterized in that: Two groups of sealing grooves (10) are provided on the inner wall of the middle part (5) of the connecting assembly, a group of sealing rings (11) are provided inside the two groups of sealing grooves (10), and a limiting step (12) is provided on one side of the two groups of sealing grooves (10).

4. The powder conveying pipe connection assembly according to claim 1, characterized in that: A plurality of groups of corrugations (13) are provided on one side of the outer wall of the tail end (6) of the connection component, and the plurality of groups of corrugations (13) are arranged at equal distances on the outer wall of the tail end (6) of the connection component.

5. The powder conveying pipe connection assembly according to claim 1, characterized in that: An inner through hole (14) is provided inside the tail end (6) of the connecting component.

6. The powder conveying pipe connection assembly according to claim 1, characterized in that: The interior of the delivery pipe connection assembly body (2) includes a protective structure, which includes a waterproof layer (15), a fireproof layer (16), a high-temperature resistant layer (17), a wear-resistant layer (18), a reinforcement layer (19), and a sealing layer (20).

7. A powder conveying pipe connection assembly according to claim 6, characterized in that: The fireproof layer (16) is arranged on the outside of the waterproof layer (15), the high temperature resistant layer (17) is arranged on the outside of the fireproof layer (16), the wear-resistant layer (18) is arranged on the outside of the high temperature resistant layer (17), the reinforcement layer (19) is arranged on the outside of the wear-resistant layer (18), and the sealing layer (20) is arranged on the outside of the reinforcement layer (19).