Anti-deformation plastic pipe fitting
By inserting fiber-reinforced plastic ribs into plastic pipes, the problem of easy deformation and cracking of traditional plastic pipes is solved, and its compressive and bending resistance and toughness are significantly improved.
Patent Information
- Application Number
- CN202421930432.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-08-09
AI Technical Summary
Traditional plastic pipe fittings have soft structures and are prone to permanent deformation and cracking after trampling and being pressed.
The structure includes PEX injection molded inner tube, aluminum alloy sleeve and PEX injection molded outer tube, and the fiber reinforced plastic rib tube is installed in the PEX injection molded outer tube, and is extruded by a hot melt machine to enhance the compression and bending resistance.
By introducing fiber-reinforced plastic ribs into plastic pipes as rigid frames, the deformation resistance and toughness of the pipe fittings are significantly improved, and brittle fracture is avoided.
Smart Images

Figure CN222836441U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic pipe fittings, in particular to an anti-deformation plastic pipe fitting. Background Art
[0002] Traditional plastic pipes are injection molded and have a soft structure. They are prone to permanent deformation and cracking when stepped on or compressed. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, an anti-deformation plastic pipe fitting is provided, which solves the above problems.
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] A deformation-resistant plastic pipe fitting comprises a PEX injection-molded inner pipe and an aluminum alloy sleeve sleeved outside the PEX injection-molded inner pipe, and also comprises a PEX injection-molded outer pipe sleeved outside the aluminum alloy sleeve, and a fiber-reinforced plastic rib pipe is hot-melt-embedded in the PEX injection-molded outer pipe, and the PEX injection-molded inner pipe and the PEX injection-molded outer pipe are extruded and formed by a hot-melt machine.
[0006] Preferably, the fiber reinforced plastic rib tube is spirally wound and disposed in the PEX injection molded outer tube after being thermally softened, which effectively enhances the compression and bending resistance of the PEX injection molded outer tube and improves its toughness.
[0007] Preferably, the cross-section of the fiber reinforced plastic rib tube is a regular hexagonal structure.
[0008] Preferably, the fiber reinforced plastic rib tube is provided with regular hexagonal through holes, which can effectively shear weight and improve toughness to avoid brittle fracture.
[0009] Preferably, the winding pitch of the fiber reinforced plastic rib tube is 10-15 times the diameter of the outer tube of the pipe.
[0010] Preferably, the fiber reinforced plastic rib tube has at least three heads.
[0011] The advantages and positive effects of the utility model are: by adding a fiber-reinforced plastic rib tube inside the PEX injection-molded outer tube as a rigid skeleton and twisting it in a spiral manner, the anti-deformation ability thereof is effectively enhanced, and the toughness thereof is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0013] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0014] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0015] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:
[0016] like Figure 1 As shown, the utility model describes an anti-deformation plastic pipe fitting, comprising a PEX injection molded inner tube 10 and an aluminum alloy sleeve 11 sleeved on the outside of the PEX injection molded inner tube 10, and also comprising a PEX injection molded outer tube 12 sleeved on the outside of the aluminum alloy sleeve 11, and a fiber reinforced plastic rib tube 13 is hot-melt embedded in the PEX injection molded outer tube 12, and the PEX injection molded inner tube 10 and the PEX injection molded outer tube 12 are extruded by a hot melt machine.
[0017] Preferably, the fiber reinforced plastic rib tube 13 is spirally wound and disposed in the PEX injection molded outer tube 12 after being thermally softened, which effectively enhances the compression and bending resistance of the PEX injection molded outer tube 12 and improves its toughness.
[0018] Preferably, the cross section of the fiber reinforced plastic rib tube 13 is a regular hexagonal structure.
[0019] Preferably, the fiber reinforced plastic rib tube 13 is provided with a regular hexagonal through hole, which can effectively shear the weight and improve the toughness to avoid brittle fracture.
[0020] Preferably, the winding pitch of the fiber reinforced plastic rib tube 13 is 10-15 times the diameter of the outer tube of the pipe.
[0021] Preferably, the fiber reinforced plastic rib tube 13 has at least three heads.
[0022] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.
Claims
1. A deformation-resistant plastic pipe, characterized in that: The invention comprises a PEX injection molded inner tube (10) and an aluminum alloy sleeve (11) sleeved on the outside of the PEX injection molded inner tube (10), and also comprises a PEX injection molded outer tube (12) sleeved on the outside of the aluminum alloy sleeve (11), and a fiber reinforced plastic rib tube (13) is hot-melt-embedded in the PEX injection molded outer tube (12), and the PEX injection molded inner tube (10) and the PEX injection molded outer tube (12) are extruded by a hot-melt machine.
2. The anti-deformation plastic pipe according to claim 1, characterized in that: The fiber reinforced plastic rib tube (13) is thermally softened and spirally wound and arranged in the PEX injection molded outer tube (12), thereby effectively enhancing the compression and bending resistance of the PEX injection molded outer tube (12) and improving its toughness.
3. The anti-deformation plastic pipe according to claim 2, characterized in that: The cross section of the fiber-reinforced plastic rib tube (13) is a regular hexagonal structure.
4. The anti-deformation plastic pipe according to claim 3, characterized in that: The fiber reinforced plastic rib tube (13) is provided with regular hexagonal through holes, which can effectively shear weight and improve toughness, thereby avoiding brittle fracture.
5. The anti-deformation plastic pipe according to claim 4, characterized in that: The winding pitch of the fiber-reinforced plastic rib tube (13) is 10-15 times the diameter of the outer tube of the pipe.
6. The anti-deformation plastic pipe according to claim 5, characterized in that: The fiber-reinforced plastic rib tube (13) has at least three heads.