High molecular weight and high density polyethylene (HMWHDPE) hollow plastic steel composite winding structure wall drainage pipe
By using an I-shaped strip monomer design and bonding resin, the bonding strength and stability issues of the U-shaped and S-shaped reinforcing steel strips were resolved, thereby improving the stability and ring stiffness of the high molecular weight high-density polyethylene hollow plastic-steel composite spiral wound structure drainage pipe.
Patent Information
- Application Number
- CN202520276279.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In existing high molecular weight high density polyethylene (HMWHDPE) hollow plastic-steel composite spiral wound structure drainage pipes, the U-shaped reinforcing steel strips have weak bonding strength and are easy to peel off, while the S-shaped reinforcing steel strips have low stability and are prone to deformation and collapse.
The design adopts an I-shaped strip-shaped single unit. The reinforcing steel strip consists of a diagonal brace, a bottom plate, and a top plate. The hook part is embedded in the outer and inner layers, and the top plate rests on both sides of the support rib. The joint is semi-circular or arched and coated with adhesive resin to enhance the bonding strength.
It improves the bonding strength and stability of the reinforcing steel strip, prevents peeling and deformation collapse, and enhances the ring stiffness and stability of the pipe.
Smart Images
Figure CN223881884U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high molecular pipe material technical field, especially in high molecular weight high density polyethylene HMWHDPE hollow plastic steel composite winding structure wall drainage pipe. BACKGROUND
[0002] High molecular weight high density polyethylene HMWHDPE hollow plastic steel composite winding structure wall drainage pipe is the double -deck structure with hollow pipe wall with high molecular weight high density polyethylene (HMWHDPE) as material production, increases the steel band and promotes the rigidity of ring and is a commonly used pipe material, is commonly used in the buried pipeline of larger diameter, and currently the reinforcing steel band mainly adopts U shape or S type, the former adopts the resin bonding, the latter adopts the way of embedding and fixing, due to the different fixed mode and structure, the U-shaped reinforcing steel band is not strong in bonding strength, and is easy to peel, and the S-shaped reinforcing steel band is not high in stability and is easy to deform and collapse. SUMMARY
[0003] The utility model wants to solve the technical problem to provide a kind of high molecular weight high density polyethylene HMWHDPE hollow plastic steel composite winding structure wall drainage pipe, to solve the technical problem in the above background technique.
[0004] The technical scheme of the utility model is:
[0005] A kind of high molecular weight high density polyethylene HMWHDPE hollow plastic steel composite winding structure wall drainage pipe, including pipe body, the pipe body is spirally wound by strip monomer, the strip monomer is I-shaped, including outer layer, inner layer and support rib, support rib is vertically connected in the middle of outer layer and inner layer, and reinforcing steel band is installed in the both sides of support rib;The reinforcing steel band is composed of inclined bracing plate, bottom flat plate and top flat plate, the bottom of inclined bracing plate expands outward, is connected with bottom flat plate, and top is connected with top flat plate, and the end of bottom flat plate and top flat plate has hook portion respectively, hook portion is embedded in the middle of outer layer and inner layer respectively, and top flat plate end is respectively on the both sides of support rib.
[0006] Further, the strip monomer is inserted into the reinforcing steel band after extrusion, wherein the surface of hook portion, bottom flat plate and top flat plate is coated with bonding resin.
[0007] Further, the inner side of both ends of outer layer and inner layer has protruding coupling portion.
[0008] Further, the coupling portion is half-round or arched after butt joint.
[0009] The utility model has the advantages that:
[0010] The utility model solves the problem that U-shaped reinforcing steel band combination strength is not strong, easy to peel, S-shaped reinforcing steel band stability is not high, easy to deformation collapse, through bottom flat plate and top flat plate improve the support area, two reinforcing steel bands are opposite and set, top flat plate end top in support rib two sides respectively, thereby make it have the structural advantage of U-shaped reinforcing steel band, no matter to which direction to the outer layer pressure, can form the restraint, improve stability, and the setting of hook part, make it have the advantage that S-shaped reinforcing steel band combination strength is big, on one hand adopts the inlay combination, on the other hand adopts resin cement bottom flat plate and top flat plate, and the combination strength is higher, not easy to peel. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is structural schematic diagram of the utility model;
[0012] Figure 2 It is strip monomer structural schematic diagram;
[0013] Figure 3 It is existing U-shaped reinforcing steel band structural schematic diagram;
[0014] Figure 4 It is existing S-shaped reinforcing steel band structural schematic diagram.
[0015] In the drawing: 1-tube body, 2-strip monomer, 21-outer layer, 22-inner layer, 23-support rib, 24-combination part, 3-reinforcing steel band, 31-inclined support plate, 32-bottom flat plate, 33-top flat plate, 34-hook part. DETAILED DESCRIPTION
[0016] The specific implementation of the utility model will be further explained below in combination with the drawings. It needs to be explained here that the explanation of these implementation modes is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each implementation of the utility model described below can be combined with each other as long as there is no conflict.
[0017] As Figures 1-4 Indicated:
[0018] The utility model provides a high molecular weight high density polyethylene hollow plastic steel composite winding structure wall drainage pipe, including the pipe body 1, the pipe body 1 is spirally wound by strip single body 2, the strip single body 2 is I-shaped, including outer layer 21, inner layer 22 and support rib 23, support rib 23 is connected in the middle part of outer layer 21 and inner layer 22 perpendicularly, and the reinforcing steel band 3 is installed on both sides of support rib 23, the reinforcing steel band 3 is composed of inclined bracing plate 31, bottom flat plate 32 and top flat plate 33, the inclined bracing plate 31 bottom outer expansion is connected with bottom flat plate 32, and top is connected with top flat plate 33, and the end of bottom flat plate 32 and top flat plate 33 has respectively hooking part 34, and hooking part 34 is embedded in the middle part of outer layer 21 and inner layer 22 respectively, and top flat plate 33 end is respectively on the both sides of support rib 23.
[0019] The utility model solves the problems that U-shaped reinforcing steel band 3 has low bonding strength and is easy to peel off, and S-shaped reinforcing steel band 3 has low stability and is easy to deform and collapse, increases the support area through bottom flat plate 32 and top flat plate 33, the two reinforcing steel bands 3 are relatively arranged, top flat plate 33 end is respectively on the both sides of support rib 23, so that the structure advantage of U-shaped reinforcing steel band 3 is obtained, no matter which direction is pressed to outer layer 21, can form the restraint and improve the stability, and the setting of hooking part 34 makes it have the advantage of high bonding strength of S-shaped reinforcing steel band 3, on the one hand, inlaying is adopted, on the other hand, resin is used to bond bottom flat plate 32 and top flat plate 33, and the bonding strength is higher and is not easy to peel off.
[0020] The utility model can insert the strip single body 2 into the reinforcing steel band 3 after extruding, wherein the surface of hooking part 34, bottom flat plate 32 and top flat plate 33 is coated with bonding resin to increase the bonding property, and the two ends of outer layer 21 and inner layer 22 can have protruding bonding parts 24 on the inner side to increase the bonding area during spiral winding, form the inner reinforcing rib and increase the ring stiffness, and the bonding parts 24 can be half circle or arch bridge after abutting.
[0021] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A high molecular weight high density polyethylene (HMWHDPE) hollow plastic steel composite wound structure wall drainage pipe, characterized in that: The utility model provides a kind of pipe body, the pipe body is spirally wound by strip monomer, the strip monomer is I-shaped, including outer layer, inner layer and support rib, support rib is vertically connected in the middle of outer layer and inner layer, and reinforcing steel belt is installed in the both sides of support rib;The reinforcing steel belt is composed of inclined bracing plate, bottom flat plate and top flat plate, the bottom of inclined bracing plate expands outward, and is connected with bottom flat plate, and top is connected with top flat plate, and the end of bottom flat plate and top flat plate has hook portion respectively, and hook portion is embedded in the middle of outer layer and inner layer respectively, and top flat plate end is respectively on the both sides of support rib.
2. The high molecular weight high density polyethylene (HMW HDPE) hollow plastic steel composite wound structured wall (PSCW) pipe according to claim 1, characterized in that: The strip monomer is inserted into reinforcing steel belt after extrusion, wherein the surface of hook portion, bottom flat plate and top flat plate is coated with adhesive resin.
3. The high molecular weight high density polyethylene (HMW HDPE) hollow plastic steel composite wound structured wall PVC-U drainage pipe according to claim 2, characterized in that: The both ends of outer layer and inner layer have protruding bonding parts inside.
4. The high molecular weight high density polyethylene (HMW HDPE) hollow plastic steel composite wound structured wall PVC-U drainage pipe according to claim 3, characterized in that: The bonding parts are half-circular or arch bridge-shaped after docking.