Efficient antibacterial composite pressure pipe

Through the one-piece molding of the three-layer structure of the outer plastic layer, the inner plastic layer and the antibacterial layer, combined with the design of the connecting sleeve and the snap-fit ​​part, the problem of the antibacterial effect of the antibacterial pressure pipe not lasting is solved, and efficient and long-lasting antibacterial performance and pipeline sealing are achieved.

CN223447869UActive Publication Date: 2025-10-17GUANGDONG ANTONG PIPE IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422224996.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-10-17
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The antibacterial effect of existing antibacterial pressure pipes is not long-lasting and has poor stability, and the durability and uniformity of traditional antibacterial coatings are difficult to guarantee.

Method used

The three-layer structure of outer plastic layer, inner plastic layer and antibacterial layer is formed as one piece through co-extrusion process. Micropores are set in the antibacterial layer, combined with the connection sleeve and snap-fit ​​design to ensure that the layers are tightly combined and the antibacterial performance is improved.

Benefits of technology

It achieves efficient and lasting antibacterial effect and pipeline sealing, enhances the contact area between antibacterial material and fluid, and improves the overall strength and pressure resistance of the pipeline.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223447869U_ABST
    Figure CN223447869U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pipe manufacturing, and discloses an efficient antibacterial composite pressure pipe which comprises a composite pipe and a connecting sleeve, an outer plastic layer is arranged on the outer wall of the composite pipe, a first hot melt adhesive is arranged in the outer plastic layer, a steel pipe layer is arranged in the first hot melt adhesive, a second hot melt adhesive is arranged in the steel pipe layer, and the connecting sleeve is arranged on the outer wall of the composite pipe. And an inner plastic layer is arranged in the second hot melt adhesive, an antibacterial layer is arranged in the inner plastic layer, micropores are formed in the inner wall of the antibacterial layer, a connecting mechanism is arranged in a connecting sleeve, the connecting mechanism comprises two fixing rings, and first mounting grooves are formed in the left end and the right end of the outer wall of the composite pipe correspondingly. According to the utility model, the antibacterial layer is made of a nano-silver particle composite antibacterial material, so that the growth of bacteria and microorganisms is inhibited, an efficient and lasting antibacterial effect is realized, and the antibacterial performance and the through-flow performance are enhanced through a micropore structure in the antibacterial layer.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe manufacturing technical field especially relates to a kind of efficient antibacterial composite pressure pipe. BACKGROUND

[0002] Pressure pipe is a kind of pipe system specially designed for conveying various fluids or gases, with the ability to withstand certain pressure, such pipes are usually made of high-strength materials to ensure safe and stable internal fluid or gas pressure during transportation, to prevent rupture or leakage, pressure pipe is widely used in industry, municipal water supply, oil and gas transportation field, is an indispensable part of modern infrastructure.

[0003] Through retrieval, China patent publication No. CN216009839U discloses an ANF nano-antibacterial PSP steel-plastic composite pressure pipe, which includes a plastic layer and a metal layer. The plastic layer includes an inner plastic layer and an outer plastic layer. The metal layer is in the form of a circular tube and is located between the inner plastic layer and the outer plastic layer. The inner plastic layer and the metal layer are fixedly connected by a first separation layer. The outer plastic layer and the metal layer are fixedly connected by a second separation layer. The inner plastic layer is internally fixedly connected with an antibacterial layer. This patent uses aromatic polyamide nanofiber (ANF) material, which is antibacterial and smooth. The pipe is designed in a composite structure, which has good pressure resistance. However, the traditional antibacterial coating has poor durability and cannot maintain antibacterial effect for a long time. The uniformity and stability of the coating cannot be guaranteed. Therefore, an efficient antibacterial composite pressure pipe is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] To make up for the above shortcomings, the utility model provides an efficient antibacterial composite pressure pipe, aiming at improving the problem of poor durability and stability of traditional antibacterial pressure pipe in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an efficient antibacterial composite pressure pipe, comprising a composite pipe and a connecting sleeve, the outer wall of the composite pipe is provided with an outer plastic layer, the inside of the outer plastic layer is provided with hot melt adhesive I, the inside of the hot melt adhesive I is provided with a steel pipe layer, the inside of the steel pipe layer is provided with hot melt adhesive II, the inside of the hot melt adhesive II is provided with an inner plastic layer, the inside of the inner plastic layer is provided with an antibacterial layer, the inner wall of the antibacterial layer is provided with micropores, and the inside of the connecting sleeve is provided with a connecting mechanism.

[0006] Through the above technical scheme: the outer plastic layer, hot melt adhesive I, steel pipe layer, hot melt adhesive II, inner plastic layer and antibacterial layer are integrally formed by extrusion process, to ensure the close combination between each layer, micropore structure is introduced in the antibacterial layer to increase the contact area of antibacterial material and fluid, improve antibacterial effect, and micropore structure is formed in the extrusion process through specific mold, without affecting the overall strength and pressure resistance of the pipeline.

[0007] As a further description of the above technical solutions:

[0008] The connecting mechanism comprises two fixing rings, the outer wall of the composite pipe is provided with a mounting groove one at the left and right ends, the inner walls of the two fixing rings are fixedly connected inside the mounting groove one, the outer walls of the fixing rings are provided with mounting holes, the interiors of the two mounting holes are slidably connected with clamping pieces, the adjacent sides of the two clamping pieces are fixedly connected with springs, the outer wall of the connecting sleeve is provided with a plurality of clamping grooves, and the inner wall of the connecting sleeve is fixedly connected with a connecting piece.

[0009] Through the above technical solutions: the connecting sleeve is made of the same high-strength polymer material as the outer layer of the pipeline, and is internally provided with a connecting piece matched with the outer diameter of the pipeline, so as to ensure the sealing performance and antibacterial performance of the connecting part.

[0010] As a further description of the above technical solutions:

[0011] The outer wall of the connecting piece is provided with a mounting groove two at the left and right ends, and the interiors of the two mounting grooves two are fixedly connected with sealing rings.

[0012] Through the above technical solutions: the mounting grooves two are arranged at the two ends of the outer wall of the connecting piece, the sealing rings are installed and fixed through the mounting grooves, and the sealing rings are made of silica gel material, so as to improve the sealing performance between the pipelines through the sealing rings.

[0013] As a further description of the above technical solutions:

[0014] The distantly opposite sides of the two clamping pieces are provided with a plurality of recesses one, and the interiors of the plurality of recesses one are fixedly connected with rubber strips one.

[0015] Through the above technical solutions: the rubber strips one are made of rubber material, which can greatly increase the friction and make it more convenient to press the clamping pieces.

[0016] As a further description of the above technical solutions:

[0017] The outer wall of the connecting sleeve is fixedly connected with a plurality of reinforcing plates around, and the adjacent sides of the plurality of reinforcing plates are slidably connected to the outer wall of the composite pipe.

[0018] Through the above technical solutions: the reinforcing plates on the outer wall of the connecting sleeve can greatly increase the firmness between the composite pipes and improve the supporting force.

[0019] As a further description of the above technical solutions:

[0020] The outer wall of the connecting sleeve is fixedly connected with push blocks at the front and back sides, and the outer walls of the two push blocks are smoothly processed.

[0021] Through the technical scheme, the push block is designed as an inner concave arc surface shape, so that the installation process is more convenient and practical.

[0022] As a further description of the technical scheme:

[0023] The far side of the two push blocks is provided with a plurality of grooves two, and the inside of the plurality of grooves two is fixedly connected with a rubber strip two.

[0024] Through the technical scheme, the plurality of grooves two are arranged on the outer wall of the push block, and the rubber strip two is installed and fixed through the grooves two. The rubber strip two can provide good friction, and is convenient to take and install and use.

[0025] As a further description of the technical scheme:

[0026] The grooves two and the plurality of rubber strips two are symmetrically arranged at equal intervals, and the push block and the rubber strip two are integrally formed.

[0027] Through the technical scheme, the grooves two and the rubber strip two are symmetrically arranged at equal intervals, so that the positions of the rubber strip two in the grooves two are uniformly distributed, and the whole structure can be balanced and stable under stress.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1. In the utility model, the composite pipe is respectively provided with an outer plastic layer, an inner plastic layer and an antibacterial layer, and the three-layer structure is integrally formed through a co-extrusion process to ensure the close combination between the layers. The antibacterial layer is made of nano-silver particle composite antibacterial material to inhibit the growth of bacteria and microorganisms and achieve high-efficiency and long-lasting antibacterial effect. The micropore structure inside the antibacterial layer enhances the antibacterial performance and flow-through performance.

[0030] 2. In the utility model, the two ends of the connecting piece are inserted into the ports of the composite pipes, at which time the connecting sleeve drives the bottom spring of the clamping piece to be squeezed inward. When the connecting piece is completely inserted into the composite pipe, the clamping piece is clamped into the clamping groove under the action of the spring, and the installation and connection of the composite pipes are quickly completed to ensure the sealing performance and overall antibacterial performance of the pipe structure. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A structure diagram of the efficient antibacterial composite pressure pipe is provided for the utility model;

[0032] Figure 2 A perspective view of the efficient antibacterial composite pressure pipe is provided for the utility model;

[0033] Figure 3The utility model provides a split drawing of high -efficient antibacterial composite pressure pipe is provided.

[0034] Figure 4 The utility model provides an explosion drawing of high -efficient antibacterial composite pressure pipe is provided.

[0035] Figure 5 The utility model provides a partial structure schematic drawing of high -efficient antibacterial composite pressure pipe is provided.

[0036] Legend:

[0037] 1, composite pipe, 2, connecting mechanism, 201, installation groove one, 202, fixed ring, 203, mounting hole, 204, clamping part, 205, spring, 206, clamping groove, 207, connecting piece, 208, installation groove two, 209, sealing ring, 210, recess one, 211, rubber strip one, 3, outer plastic layer, 4, hot melt adhesive one, 5, steel pipe layer, 6, hot melt adhesive two, 7, inner plastic layer, 8, antibacterial layer, 9, micropore, 10, connecting sleeve, 11, reinforcing plate, 12, push block, 13, recess two, 14, rubber strip two. Specific implementation

[0038] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0039] With reference to Figure 1 , Figure 2 and Figure 4 , an embodiment provided by the utility model: a kind of high -efficient antibacterial composite pressure pipe, including composite pipe 1 and connecting sleeve 10, the outer wall of composite pipe 1 is provided with outer plastic layer 3, the inside of outer plastic layer 3 is provided with hot melt adhesive one 4, the inside of hot melt adhesive one 4 is provided with steel pipe layer 5, the inside of steel pipe layer 5 is provided with hot melt adhesive two 6, the inside of hot melt adhesive two 6 is provided with inner plastic layer 7, the inside of inner plastic layer 7 is provided with antibacterial layer 8, the inner wall of antibacterial layer 8 is provided with micropore 9, the inside of connecting sleeve 10 is provided with connecting mechanism 2, the outer wall of connecting sleeve 10 is all fixedly connected with multiple reinforcing plates 11 around, the adjacent side of multiple reinforcing plates 11 is all slidingly connected on the outer wall of composite pipe 1;

[0040] Specifically, the outer wall of the composite pipe 1 is provided with an outer plastic layer 3, which not only has good protection effect, but also can provide certain impact resistance. On the inner side of the outer plastic layer 3, a layer of hot melt adhesive I 4 is specially coated, which can ensure the close combination between each layer of the composite pipe 1, thereby improving the overall structural stability. Then, the inner side of the hot melt adhesive I 4 is a steel pipe layer 5, which is the main pressure-bearing part of the composite pipe 1 and has excellent mechanical strength and pressure resistance. The inner side of the steel pipe layer 5 is also coated with a layer of hot melt adhesive II 6, which can further enhance the sealing performance of the steel pipe layer 5 and prevent the internal fluid from directly contacting the steel pipe layer 5, thereby prolonging the service life of the steel pipe layer 5. The inner side of the hot melt adhesive II 6 is provided with an inner plastic layer 7, which can not only provide good inner wall smoothness, but also effectively prevent corrosion and fouling of the inner wall. On the inner side of the inner plastic layer 7, an antibacterial layer 8 is coated, which uses nano silver particle composite antibacterial material to effectively inhibit the growth of bacteria and microorganisms, thereby achieving efficient and durable antibacterial effect. The inner wall of the antibacterial layer 8 is provided with a micropore 9 structure, which can further enhance the antibacterial performance and improve the flow performance of the composite pipe 1. The inner side of the connecting sleeve 10 is provided with a connecting mechanism 2, so that the composite pipe 1 and the connecting sleeve 10 can be firmly connected together to ensure the sealing and stability of the entire system. The outer wall of the connecting sleeve 10 is fixed with a plurality of reinforcing plates 11, which can significantly improve the pressure resistance and impact resistance of the connecting sleeve 10. The adjacent side of the plurality of reinforcing plates 11 is slidingly connected to the outer wall of the composite pipe 1, which not only ensures the close connection between the connecting sleeve 10 and the composite pipe 1, but also can absorb and disperse external force to some extent, thereby further improving the stability and safety of the entire composite pressure pipe.

[0041] Referring to Figure 3 , Figure 4 and Figure 5 , the connecting mechanism 2 includes two fixed rings 202, the outer wall of the composite pipe 1 is provided with mounting grooves I 201 at the left and right ends, the inner walls of the two fixed rings 202 are fixedly connected to the inside of the mounting grooves I 201, the outer walls of the fixed rings 202 are provided with mounting holes 203, the interiors of the two mounting holes 203 are slidingly connected with clamping pieces 204, the adjacent sides of the two clamping pieces 204 are fixedly connected with springs 205, the outer wall of the connecting sleeve 10 is provided with a plurality of clamping grooves 206, the inner wall of the connecting sleeve 10 is fixedly connected with a connecting piece 207, the outer walls of the connecting piece 207 are provided with mounting grooves II 208 at the left and right ends, the interiors of the two mounting grooves II 208 are fixedly connected with sealing rings 209, the sides of the two clamping pieces 204 away from each other are provided with a plurality of recesses I 210, the interiors of the plurality of recesses I 210 are fixedly connected with rubber strips I 211;

[0042] Specifically, the outer wall of the composite pipe 1 is provided with a mounting groove 201 at both ends, and the mounting groove 201 is tightly matched with the fixing ring 202. Meanwhile, the fixing ring 202 is provided with a mounting hole 203, and the clamping piece 204 is slidably installed in the mounting hole 203. The clamping piece 204 can move flexibly in the mounting hole 203, thereby achieving stable fixing of the composite pipe 1. In order to ensure the stability of the clamping piece 204 in the mounting hole 203 and normal use, a spring 205 is fixed at the bottom of each clamping piece 204. The spring 205 provides a certain elastic force, so that the clamping piece 204 can be tightly attached to the inner wall of the mounting hole 203, thereby preventing loosening or falling during use. Meanwhile, a plurality of clamping grooves 206 are provided on the outer wall of the connecting sleeve 10. The clamping grooves 206 can be tightly matched with the clamping piece 204, thereby further enhancing the connection strength between the connecting sleeve 10 and the composite pipe 1. The inner wall of the connecting sleeve 10 is fixed with a connecting piece 207. The left and right ends of the connecting piece 207 are inserted into the port of the composite pipe 1. An installation groove 208 is provided on the outer wall, and a sealing ring 209 is installed in the installation groove 208. The connecting piece 207 and the composite pipe 1 are provided with good sealing effect by the sealing ring 209, thereby preventing liquid or gas leakage at the connection.

[0043] With reference to Figure 2 and Figure 4 , the outer wall of the connecting sleeve 10 is fixedly connected with a push block 12 at the front and rear sides. The outer walls of the two push blocks 12 are smoothly processed. A plurality of recesses 13 are provided on the sides away from each other of the two push blocks 12. A plurality of rubber strips 14 are fixedly connected in the recesses 13. The recesses 13 and the plurality of rubber strips 14 are symmetrically arranged at equal intervals. The push block 12 and the rubber strip 14 are integrally formed.

[0044] Specifically, the outer wall of the connecting sleeve 10 is fixedly connected with a push block 12 at the front and rear sides. The outer walls of the push blocks 12 are smoothly processed to ensure that unnecessary wear or damage is not caused to other components during use. A plurality of recesses 13 are provided on the sides away from each other of the push blocks 12. The rubber strips 14 are installed and fixed in the recesses 13. The rubber strips 14 can provide better friction. The recesses 13 and the plurality of rubber strips 14 are symmetrically arranged at equal intervals, which can ensure uniform distribution of the push block 12 when stressed, thereby improving the overall stability and durability.

[0045] Working principle: the outer wall of the composite pipe 1 has an outer plastic layer 3, which provides protection and impact resistance, and the inner side is coated with hot melt adhesive 4, which ensures the close combination of each layer and enhances the structural stability; the inner side of the hot melt adhesive 4 is a steel pipe layer 5, which serves as the main pressure-bearing part and has high mechanical strength and pressure resistance; the inner side of the steel pipe layer 5 is coated with hot melt adhesive 6 to enhance the sealing performance and prevent the fluid from directly contacting the steel pipe layer 5 to prolong the service life; the inner side of the hot melt adhesive 6 is an inner plastic layer 7, which provides smoothness of the inner wall to prevent corrosion and fouling of the inner wall; the inner side of the inner plastic layer 7 is coated with an antibacterial layer 8, which uses nano silver particle composite antibacterial material to inhibit the growth of bacteria and microorganisms, achieving high-efficiency and long-lasting antibacterial effect; the inner wall of the antibacterial layer 8 is provided with a micropore 9 structure to enhance the antibacterial performance and flow performance, and a connecting piece 207 is fixedly installed in the inside of the connecting sleeve 10, by inserting the two ends of the connecting piece 207 into the ports of the composite pipe 1, at this time, a clamping groove 206 is formed on the outer wall of the connecting sleeve 10, and a clamping piece 204 is installed in the inside of the fixing ring 202, the inner wall of the connecting sleeve 10 drives the spring 205 at the bottom of the clamping piece 204 to be squeezed inward, when the connecting piece 207 is completely inserted into the composite pipe 1, the clamping piece 204 is clamped into the clamping groove 206 under the action of the spring 205, the installation and connection between the multiple composite pipes 1 are quickly completed, and the sealing effect of the connecting piece 207 and the composite pipe 1 is provided by the sealing ring 209, preventing the leakage of liquid or gas at the connection, ensuring the sealing performance and overall antibacterial performance of the pipeline structure.

[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A high-efficiency antibacterial composite pressure pipe, comprising a composite pipe (1) and a connecting sleeve (10), characterized in that: The outer wall of the composite tube (1) is provided with an outer plastic layer (3), a hot melt adhesive (4) is provided inside the outer plastic layer (3), a steel tube layer (5) is provided inside the hot melt adhesive (4), a hot melt adhesive (6) is provided inside the steel tube layer (5), an inner plastic layer (7) is provided inside the hot melt adhesive (6), an antibacterial layer (8) is provided inside the inner plastic layer (7), micropores (9) are provided on the inner wall of the antibacterial layer (8), and a connecting mechanism (2) is provided inside the connecting sleeve (10).

2. The high-efficiency antibacterial composite pressure pipe according to claim 1, characterized in that: The connecting mechanism (2) comprises two fixing rings (202), the left and right ends of the outer wall of the composite tube (1) are provided with a mounting groove (201), the inner walls of the two fixing rings (202) are fixedly connected to the inside of the mounting groove (201), the outer walls of the fixing rings (202) are provided with a mounting hole (203), the insides of the two mounting holes (203) are slidably connected with a clamping member (204), and the adjacent sides of the two clamping members (204) are fixedly connected with a spring (205), the outer wall of the connecting sleeve (10) is provided with a plurality of clamping grooves (206), and the inner wall of the connecting sleeve (10) is fixedly connected with a connecting member (207).

3. The high-efficiency antibacterial composite pressure pipe according to claim 2, characterized in that: The left and right ends of the outer wall of the connecting member (207) are both provided with second mounting grooves (208), and the interiors of the two second mounting grooves (208) are both fixedly connected with sealing rings (209).

4. The high-efficiency antibacterial composite pressure pipe according to claim 2, characterized in that: A plurality of grooves (210) are provided on the opposite sides of the two engaging parts (204), and a rubber strip (211) is fixedly connected inside the plurality of grooves (210).

5. The high-efficiency antibacterial composite pressure pipe according to claim 1, characterized in that: A plurality of reinforcing plates (11) are fixedly connected to the outer wall of the connecting sleeve (10) on all four sides, and adjacent sides of the plurality of reinforcing plates (11) are slidably connected to the outer wall of the composite pipe (1).

6. The high-efficiency antibacterial composite pressure pipe according to claim 1, characterized in that: Push blocks (12) are fixedly connected to the front and rear sides of the outer wall of the connecting sleeve (10), and the outer walls of the two push blocks (12) are rounded.

7. The high-efficiency antibacterial composite pressure pipe according to claim 6, characterized in that: A plurality of grooves 2 (13) are provided on the side away from each other of the two push blocks (12), and a rubber strip 2 (14) is fixedly connected inside the plurality of grooves 2 (13).

8. The high-efficiency antibacterial composite pressure pipe according to claim 7, characterized in that: The groove 2 (13) and the plurality of rubber strips 2 (14) are arranged symmetrically and equidistantly, and the push block (12) and the rubber strips 2 (14) are integrally formed.

Citation Information

Patent Citations

  • ANF nano-antibacterial PSP steel-plastic composite pressure pipe

    CN216009839U