Anti-rust water heating pipe fitting
By designing a limited-position connection structure between the stainless steel outer pipe and the inner pipe of the PPR pipe, the problem of anti-rust and leakage of the plumbing and heating pipes is solved, and the corrosion resistance and leakage resistance are achieved, and the service life is extended.
Patent Information
- Application Number
- CN202421636921.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-11
AI Technical Summary
Existing plumbing pipes are prone to anti-rust during use, leading to leakage problems and lack effective protective measures.
An anti-rust plumbing and heating pipe fitting is designed, which is connected to the outer pipe and the plumbing and heating inner pipe. The outer pipe is made of stainless steel material. There is a limiting block on the inner side. The limiting groove is provided on the outer side of the inner pipe. The limiting block is connected to the groove to enhance the positioning and guidance function of the connection, and the sealing effect is strengthened through the sealing seat and the sealing ring.
It realizes the corrosion resistance and leakage resistance of the plumbing pipe, extends the service life, and effectively avoids water leakage at the joints.
Smart Images

Figure CN222746788U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water heating pipes, in particular to an anti-corrosion water heating pipe fitting. Background Art
[0002] Water heating is a type of floor radiant heating, and it is also a popular heating method in homes. Compared with electric heating, it is more comfortable and environmentally friendly. The heating pipe is the pipe for the heating furnace to supply water, which is very common in life.
[0003] Chinese patent authorization announcement number CN207298223 discloses a water heating pipe, including a pipe body, the pipe body is provided with a heat radiation protection layer, a thermal insulation layer and a sound insulation layer in sequence from the inside to the outside, the water inlet end of the pipe body is provided with a first throttle plate and a second throttle plate in parallel, the centers of the first throttle plate and the second throttle plate are connected by a spring, the outer periphery of the second throttle plate is fixed on the inner periphery of the pipe body, the outer periphery of the first throttle plate is symmetrically provided with a plurality of grooves, the inner periphery of the pipe body is provided with a plurality of strip-shaped protrusions corresponding to the grooves and extending to the second throttle plate, the grooves are engaged with the strip-shaped protrusions on the inner periphery of the pipe body, and when the spring is compressed or restored by force, the first throttle plate can slide in both directions along the strip-shaped protrusions. The water heating pipe provided by the utility model can alleviate the amount of water flow in the pipe body at the water inlet end and reduce damage to the pipe body. In addition, it also has good thermal insulation performance, sound insulation performance and throttling;
[0004] The above-mentioned existing technical solutions have the following shortcomings: the technical solutions are relatively lacking in the protection of water heating pipes during use. Under the influence of the external environment and long-term use, the water heating pipes are prone to corrosion, causing leakage problems, and there is a certain room for improvement. Therefore, it is necessary to design a corrosion-resistant water heating pipe fitting to solve the above-mentioned problems; Utility Model Content
[0005] The purpose of the utility model is to provide a rust-proof water heating pipe fitting to solve the problem of insufficient protection of water heating pipes proposed in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-corrosion water heating pipe fitting, comprising an outer pipe and a water heating inner pipe, wherein the outer pipe is connected to the outer side of the water heating inner pipe, the inner side of the outer pipe is evenly connected to a limiting block, and the outer side of the water heating inner pipe is evenly provided with limiting grooves, and the limiting grooves are all connected to the limiting blocks;
[0007] A mounting joint is fixed on one side of the water heating inner pipe, and a second sealing seat is fixed on one side of the mounting joint. An external thread is arranged on the outer side of the mounting joint. An internal thread groove is opened inside the water heating inner pipe, and the internal thread groove and the external thread are connected. The interior of the water heating inner pipe is connected to a first sealing seat.
[0008] Preferably, the size of the limiting blocks matches the size of the limiting slots, and four groups of the limiting blocks and the limiting slots are provided.
[0009] Preferably, a gasket is provided on one side of the water heating inner pipe, and the material of the gasket is rubber.
[0010] Preferably, a sealing groove is provided inside the first sealing seat, and the sealing groove is connected to the second sealing seat.
[0011] Preferably, annular grooves are uniformly formed on the outer side of the second sealing seat, and sealing rings are sleeved inside the annular grooves.
[0012] Preferably, the material of the outer pipe is stainless steel, and the material of the water heating inner pipe is PPR pipe.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the water heating pipe with anti-corrosion realizes the functions of corrosion resistance and leakage prevention;
[0014] By providing an outer tube, the outer tube is connected to the outside of the water heating inner tube through a limit block and a limit groove during use, and the outer tube is made of stainless steel, which has high strength and corrosion resistance, can reduce the impact of the external environment on the water heating inner tube, and extend the service life of the water heating inner tube. Furthermore, four groups of limit blocks and limit grooves are provided, which can play a positioning and guiding function during installation and connection. At the same time, after the adjacent water heating inner tubes are connected, the outer tube is between the two groups of water heating inner tubes, that is, it can assist in limiting and fixing the head and tail ends of the outer tube, thereby ensuring the use effect of the outer tube;
[0015] By providing a first sealing seat and a second sealing seat, when adjacent water-heating inner pipes are connected during use, the second sealing seat is screwed into the interior of the sealing groove. Under the action of the first sealing seat, the second sealing seat and the sealing ring, the connection between the adjacent water-heating inner pipes can be enhanced to seal, thereby avoiding water seepage and leakage at the joints. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0018] Figure 2 This is a front view structural schematic diagram of the utility model;
[0019] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;
[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;
[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the water heating inner pipe of the utility model.
[0022] Explanation of the reference numerals in the figure: 1. Outer pipe; 2. Limit block; 3. Water heating inner pipe; 4. Limit groove; 5. Sealing ring; 6. Annular groove; 7. Mounting joint; 8. Sealing groove; 9. Gasket; 10. Internal thread groove; 11. External thread; 12. First sealing seat; 13. Second sealing seat. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-Figure 5 , the utility model provides an embodiment: an anti-corrosion water heating pipe fitting, comprising an outer pipe 1 and a water heating inner pipe 3, wherein the outer pipe 1 is connected to the outer side of the water heating inner pipe 3;
[0025] The material of the outer pipe 1 is stainless steel, and the material of the water heating inner pipe 3 is PPR pipe;
[0026] Specifically, Figure 1 As shown, when in use, the outer tube 1 is made of stainless steel, which has high strength and corrosion resistance, can reduce the impact of the external environment on the water heating inner tube 3, and extend the service life of the water heating inner tube 3. PPR pipes are widely used in water heating;
[0027] A gasket 9 is provided on one side of the water heating inner pipe 3, and the material of the gasket 9 is rubber;
[0028] Specifically, Figure 1 and Figure 2 As shown, when in use, the water heating inner pipe 3 passes through the gasket 9 to enhance the sealing effect of the connection;
[0029] The inner side of the outer tube 1 is evenly connected to the limiting block 2;
[0030] The size of the limit blocks 2 matches the size of the limit slots 4, and the limit blocks 2 and the limit slots 4 are provided in four groups;
[0031] Specifically, Figure 1 As shown, when in use, the limiting block 2 is inserted into the limiting groove 4 so that the outer pipe 1 and the water heating inner pipe 3 are connected;
[0032] The outer side of the water heating inner pipe 3 is evenly provided with limit grooves 4, and the limit grooves 4 are all connected to the limit blocks 2;
[0033] A mounting joint 7 is fixed to one side of the water heating inner pipe 3, and a second sealing seat 13 is fixed to one side of the mounting joint 7. An external thread 11 is arranged on the outer side of the mounting joint 7. An internal thread groove 10 is arranged inside the water heating inner pipe 3, and the internal thread groove 10 and the external thread 11 are connected. A first sealing seat 12 is connected inside the water heating inner pipe 3.
[0034] A sealing groove 8 is formed inside the first sealing seat 12, and the sealing groove 8 is connected to the second sealing seat 13. An annular groove 6 is formed evenly outside the first sealing seat 12, and a sealing ring 5 is sleeved inside the annular groove 6.
[0035] Specifically, Figure 1 As shown, when in use, the sealing groove 8, the second sealing seat 13 and the sealing ring 5 enable the structural connection to achieve a further sealing effect.
[0036] Working principle: When the utility model is in use, the outer tube 1 is connected to the outside of the water-heating inner tube 3 through the limit block 2 and the limit groove 4, and the outer tube 1 is made of stainless steel, which has high strength and corrosion resistance, can reduce the impact of the external environment on the water-heating inner tube 3, and extend the service life of the water-heating inner tube 3. Furthermore, there are four groups of limit blocks 2 and water-heating inner tubes 3, which can play a positioning and guiding function during installation and connection. At the same time, after the adjacent water-heating inner tubes 3 are connected, the outer tube 1 is between the two groups of water-heating inner tubes 3, that is, it can assist in limiting and fixing the head and tail ends of the outer tube 1, thereby ensuring the use effect of the outer tube 1. When the adjacent water-heating inner tubes 3 are connected, the second sealing seat 13 is screwed into the interior of the sealing groove 8. Under the action of the first sealing seat 12, the second sealing seat 13 and the sealing ring 5, it can play a reinforcing sealing function at the connection of the adjacent water-heating inner tubes 3 to avoid water seepage and leakage at the joints.
[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0038] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.
[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A rust-proof water heating pipe fitting, comprising an outer pipe (1) and a water heating inner pipe (3), wherein the outer pipe (1) is connected to the outer side of the water heating inner pipe (3), Features: The inner side of the outer pipe (1) is evenly connected to the limiting block (2), and the outer side of the water heating inner pipe (3) is evenly provided with limiting grooves (4), and the limiting grooves (4) are all connected to the limiting blocks (2); A mounting joint (7) is fixed on one side of the water-heating inner pipe (3), and a second sealing seat (13) is fixed on one side of the mounting joint (7); an external thread (11) is arranged on the outer side of the mounting joint (7); an internal thread groove (10) is provided inside the water-heating inner pipe (3), and the internal thread groove (10) and the external thread (11) are connected; and the inside of the water-heating inner pipe (3) is connected to the first sealing seat (12).
2. The anti-corrosion water heating pipe fitting according to claim 1, characterized in that: The size of the limiting blocks (2) matches the size of the limiting grooves (4), and four groups of the limiting blocks (2) and the limiting grooves (4) are provided.
3. The anti-corrosion water heating pipe fitting according to claim 1, characterized in that: A gasket (9) is provided on one side of the water heating inner pipe (3), and the material of the gasket (9) is rubber.
4. The anti-corrosion water heating pipe fitting according to claim 1, characterized in that: A sealing groove (8) is provided inside the first sealing seat (12), and the sealing groove (8) is connected to the second sealing seat (13).
5. The anti-corrosion water heating pipe fitting according to claim 4, characterized in that: Annular grooves (6) are evenly arranged on the outer side of the second sealing seat (13), and sealing rings (5) are sleeved inside the annular grooves (6).
6. The anti-corrosion water heating pipe according to claim 1, characterized in that: The material of the outer pipe (1) is stainless steel, and the material of the water heating inner pipe (3) is a PPR pipe.