Plastic-coated corrugated pointed pipe

By using a combination of 304 stainless steel material and PVC plastic coated casing, the problems of rubber inner tube aging and steel wire breaking in existing water pipe products are solved, and the durability and explosion-proof and compression-resistant effects of food-grade standards are achieved.

CN222760442UActive Publication Date: 2025-04-15HENGQUAN TECHNOLOGY (NINGBO) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421601042.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-15
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

Among existing water pipe products, rubber inner pipes are prone to aging, external braided steel wire or nylon wires are prone to breaking, and are difficult to meet food-grade standards, and are prone to breaking, resulting in broken pipes and direct or indirect losses.

Method used

304 stainless steel material is used as the main inner tube, and a PVC plastic coated sleeve is installed on the outside. The nut, water inlet flange and faucet end welded joint are connected by welding to form a stable pipeline structure.

Benefits of technology

It realizes the durability of food-grade standards, explosion-proof and compression-resistant, avoids waste and maintenance costs, and solves the problems of easy shaking, sound and deformation of the bellows body.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222760442U_ABST
    Figure CN222760442U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hardware equipment, in particular to a plastic-coated corrugated pointed pipe which comprises a corrugated pipe main body, a coating sleeve is sleeved outside the corrugated pipe main body, a water inlet end flange is fixedly welded at the top of the corrugated pipe main body, and a channel of the water inlet end flange is aligned and communicated with an internal pipeline of the corrugated pipe main body. A connecting nut is arranged at the top of the corrugated pipe body, a faucet end welding head is fixedly welded to the bottom face of the corrugated pipe body, and an inner channel of the faucet end welding head is communicated with an inner pipeline of the corrugated pipe body in an aligned mode. According to the plastic-coated corrugated pointed-end pipe, the stainless steel material is adopted as the main inner pipe, the food-grade standard is achieved, durability is achieved, explosion prevention and pressure resistance are achieved, cost is saved, waste is avoided, the plastic coating technology is adopted for the outer layer of the product, the problems that a corrugated pipe body is prone to shaking, sound and deformation after being folded in the using process are solved, and the red and blue plastic coating colors are simple and easy to understand.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of hardware equipment, in particular to a plastic-coated corrugated pointed tube. Background Art

[0002] Hardware refers to metal products made of non-ferrous metals such as iron, steel, copper, and aluminum, as well as non-metallic materials such as plastic and rubber. In a broad sense, it includes construction hardware, mechanical hardware, kitchen and bathroom hardware, household hardware, electrical hardware, etc. It is an indispensable material in all walks of life. The hardware category is very wide and has very important application value. Among them, water pipes are an extremely important type of household kitchen and bathroom hardware equipment, and are basic equipment to meet the water supply function in daily life.

[0003] The products currently on the market are mainly rubber inner tubes with braided steel wire or nylon wire on the outside. The disadvantages are that the rubber inner tube will age over time, the braided steel wire or nylon wire on the outside is prone to breakage and needs to be replaced regularly, and rubber is not easy to meet food standards. It is easy to puncture the inner tube, forming an explosive-type broken tube, causing direct or indirect losses.

[0004] In order to solve the above problems, we have made improvements and proposed a plastic-coated corrugated pointed tube. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model provides a plastic-coated corrugated pointed pipe, comprising a corrugated pipe main body, the outer sleeve of the corrugated pipe main body is provided with a covering sleeve, the top of the corrugated pipe main body is fixedly welded with a water inlet end flange, the channel of the water inlet end flange is aligned and communicated with the internal pipeline of the corrugated pipe main body, a connecting nut is arranged on the top of the corrugated pipe main body, a faucet end welding head is fixedly welded on the bottom surface of the corrugated pipe main body, and the internal channel of the faucet end welding head is aligned and communicated with the internal pipeline of the corrugated pipe main body.

[0007] As an optimal technical solution of the utility model, a through opening is opened in the center of the bottom surface of the connecting nut, the bottom end of the water inlet end flange passes through the through opening of the connecting nut, the inner wall of the connecting nut is provided with an internal thread, and the connecting nut is fixedly connected to the connecting end of the water inlet pipe through the internal thread.

[0008] As a preferred technical solution of the utility model, the length of the covering sleeve is slightly greater than the bellows body, and the top is sleeved with the bottom of the outer surface of the flange at the water inlet end.

[0009] As a preferred technical solution of the utility model, the bottom of the covering sleeve is sleeved with the top of the outer surface of the faucet end welding head, and the bottom end of the outer surface of the faucet end welding head is provided with an external thread, and the faucet end welding head is fixedly connected to the connecting end of the faucet through the external thread.

[0010] As a preferred technical solution of the utility model, the top and bottom ends of the outer surface of the covering sleeve are both provided with buckled steel sleeves, the top of the buckled steel sleeve at the top end is socketed with the middle part of the outer surface of the flange at the water inlet end, and the bottom of the buckled steel sleeve at the bottom end is socketed with the top of the outer surface of the faucet end welding head.

[0011] As a preferred technical solution of the utility model, the material of the bellows body is stainless steel, and the material of the covering sleeve is PVC plastic.

[0012] The beneficial effects of the utility model are as follows: the plastic-coated corrugated pointed tube adopts 304 stainless steel as the main inner tube, reaches food grade standards, is durable, explosion-proof and pressure-resistant, saves costs and avoids waste; the outer layer of the product adopts plastic-coating technology, which solves the problems of shaking, sound, folding and deformation that are easy to occur during the use of the corrugated tube body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a structural schematic diagram of a plastic-coated corrugated pointed tube of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of a plastic-coated corrugated pointed tube of the utility model;

[0016] Figure 3 It is a partial cross-sectional structural schematic diagram of a plastic-coated corrugated pointed tube of the utility model;

[0017] Figure 4 It is a partial cross-sectional structural schematic diagram of a plastic-coated corrugated pointed tube of the utility model;

[0018] In the figure: 1. Bellows body; 2. Covering sleeve; 3. Connecting nut; 4. Water inlet flange; 5. Faucet end welding joint; 6. Crimp steel sleeve. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1-4As shown, a plastic-coated corrugated pointed tube comprises a corrugated tube body 1. The corrugated tube body 1 is externally sleeved with a sleeve 2 by using the sleeve plastic-coating technology. The top of the corrugated tube body 1 is fixedly welded with a water inlet end flange 4 by using the 360-degree circumferential welding technology. The channel of the water inlet end flange 4 is aligned and connected with the internal pipeline of the corrugated tube body 1. A connecting nut 3 is provided on the top of the corrugated tube body 1. A faucet end welding joint 5 is fixedly welded on the bottom surface of the corrugated tube body 1. The 360-degree circumferential welding technology is also used for welding. The internal channel of the faucet end welding joint 5 is aligned and connected with the internal pipeline of the corrugated tube body 1.

[0021] A through hole is provided at the center of the bottom surface of the connecting nut 3, and the bottom end of the water inlet flange 4 passes through the through hole of the connecting nut 3. An internal thread is provided on the inner wall of the connecting nut 3, and the connecting nut 3 is connected to the water inlet pipe of the triangular valve through the internal thread.

[0022] The length of the covering sleeve 2 is slightly greater than that of the bellows body 1 , and the top of the covering sleeve 2 is sleeved with the bottom of the outer surface of the water inlet end flange 4 .

[0023] The bottom of the covering sleeve 2 is sleeved with the top of the outer surface of the faucet end welding head 5. The bottom end of the outer surface of the faucet end welding head 5 is provided with an external thread. The faucet end welding head 5 is fixedly connected to the connecting end of the faucet through the external thread, and can be matched with connecting pipes such as kitchen faucets and mixing faucets.

[0024] The top and bottom ends of the outer surface of the covering sleeve 2 are both sleeved with a buckled steel sleeve 6, the top of the buckled steel sleeve 6 at the top is sleeved with the middle of the outer surface of the water inlet end flange 4, and the bottom of the buckled steel sleeve 6 at the bottom is sleeved with the top of the outer surface of the faucet end welding head 5.

[0025] The material of the corrugated pipe body 1 is 304 stainless steel, and the material of the covering sleeve 2 is PVC plastic material.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A plastic-coated corrugated pointed tube, comprising a corrugated tube body (1), characterized in that: The bellows body (1) is provided with a covering sleeve (2) on its exterior, a water inlet end flange (4) is fixedly welded to the top of the bellows body (1), the channel of the water inlet end flange (4) is aligned and communicated with the internal pipeline of the bellows body (1), a connecting nut (3) is provided on the top of the bellows body (1), a faucet end welding joint (5) is fixedly welded to the bottom of the bellows body (1), the internal channel of the faucet end welding joint (5) is aligned and communicated with the internal pipeline of the bellows body (1).

2. The plastic-coated corrugated pointed tube according to claim 1, characterized in that: A through hole is provided at the center of the bottom surface of the connecting nut (3), the bottom end of the water inlet end flange (4) passes through the through hole of the connecting nut (3), the inner wall of the connecting nut (3) is provided with an internal thread, and the connecting nut (3) is fixedly connected to the connecting end of the water inlet pipe through the internal thread.

3. The plastic-coated corrugated pointed tube according to claim 1, characterized in that: The length of the covering sleeve (2) is slightly greater than that of the bellows body (1), and the top is sleeved with the bottom of the outer surface of the water inlet end flange (4).

4. The plastic-coated corrugated pointed tube according to claim 1, characterized in that: The bottom of the covering sleeve (2) is sleeved with the top of the outer surface of the faucet end welding head (5), and the bottom of the outer surface of the faucet end welding head (5) is provided with an external thread, and the faucet end welding head (5) is fixedly connected to the connecting end of the faucet through the external thread.

5. The plastic-coated corrugated pointed tube according to claim 1, characterized in that: The top and bottom ends of the outer surface of the covering sleeve (2) are both sleeved with a buckled steel sleeve (6), the top of the buckled steel sleeve (6) at the top is sleeved with the middle of the outer surface of the water inlet end flange (4), and the bottom of the buckled steel sleeve (6) at the bottom is sleeved with the top of the outer surface of the faucet end welding joint (5).

6. The plastic-coated corrugated pointed tube according to claim 1, characterized in that: The material of the bellows body (1) is 304 stainless steel, and the material of the covering sleeve (2) is PVC plastic.