Anti-corrosion structure for indoor buried gas pipeline
By connecting the insertion ring and the receiving ring groove and cooperating with the sealing ring, combined with the use of fixing components and water-absorbing rings, the corrosion problem of flange joints of buried gas pipelines is solved, and high sealing and corrosion resistance of gas pipeline connections are achieved.
Patent Information
- Application Number
- CN202520317191.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Flange joints of buried gas pipelines are susceptible to corrosion, especially in gaps or where welding is improper, which accelerates corrosion.
The flange is protected by a sealed cylinder formed by inserting a ring and connecting it to the receiving ring groove, combined with a fixing component and a sealing ring. A water-absorbing ring is used to prevent moisture from entering the gap, thereby improving sealing performance and corrosion resistance.
It effectively reduces the damage of flange joints to contaminants, improves the sealing and corrosion resistance of gas pipe connections, reduces the probability of flanges getting damp, and maintains the corrosion resistance of pipelines.
Smart Images
Figure CN223740300U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline anticorrosion technical field, concretely relates to a kind of indoor buried gas pipeline anticorrosion structure. BACKGROUND
[0002] With the improvement of the living standard of residents, the quality requirement of home decoration is also higher and higher. Buried gas pipeline can be installed flexibly, and the length can be selected arbitrarily, which meets the personalized decoration demand and eliminates the leakage hidden danger.
[0003] In the related art, the indoor buried gas pipeline hides the pipeline inside the wall, floor or ceiling, making the kitchen space more tidy and beautiful, avoiding the visual clutter caused by the exposed pipeline, making the pipeline not occupy indoor space, especially in the limited space such as kitchen, thereby improving the space utilization and making the home environment more spacious.
[0004] However, if there are joints in the connection part during the buried process of the gas pipeline, especially in the flange joint or the welded joint, these joint parts are more susceptible to corrosion, because there are often gaps in the flange joint or the welded joint is not welded in place, and these gaps are more likely to accumulate moisture and impurities, thereby accelerating the corrosion process. To solve the above problems, an indoor buried gas pipeline anticorrosion structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model provides an indoor buried gas pipeline anticorrosion structure, which is adapted to the first protective cylinder and the second protective cylinder by the butt joint of the plug-in ring and the receiving ring groove, so that the first protective cylinder and the second protective cylinder are sealed and connected, and the fixed assembly is connected and fixed between the first protective cylinder and the second protective cylinder, so that the structure forms a sealed cylinder to wrap and protect the flange on the gas pipe. The gap at the end of the combined cylinder is sealed by the first sealing ring and the second sealing ring, thereby improving the sealing performance of the combined cylinder, reducing the pollution of the butt flange, and improving the sealing performance and corrosion resistance of the gas pipe connection part.
[0006] To solve the above technical problems, the utility model provides an indoor buried gas pipeline anticorrosion structure, which comprises a butt flange arranged at the connection part of the gas pipe, a first protective cylinder arranged on one side of the butt flange, a second protective cylinder arranged on the other side of the butt flange, a receiving ring groove arranged on the side of the first protective cylinder close to the butt flange, a plug-in ring arranged on the side of the second protective cylinder close to the butt flange, and a fixed assembly arranged on the outer surface of the first protective cylinder and the second protective cylinder.
[0007] The receiving ring groove is fixed with the inner wall of the first protective cylinder, the connecting ring is arranged on the side of the inserting ring away from the butt flange, the connecting ring is used for connecting and fixing the inserting ring and the second protective cylinder, the connecting ring is fixed with the inner wall of the second protective cylinder, and a gap is arranged between the inserting ring and the inner wall of the second protective cylinder, and the gap is used for sleeving the groove wall of the receiving ring groove.
[0008] The first sealing ring is arranged at the end of the outer wall of the first protective cylinder away from the butt flange, the first sealing ring on one side of the first protective cylinder is used for sealing the gap between the outer wall of the first protective cylinder and the gas pipe, the first sealing ring is arranged at the end of the outer wall of the second protective cylinder away from the butt flange, and the first sealing ring on one side of the second protective cylinder is used for sealing the gap between the outer wall of the second protective cylinder and the gas pipe.
[0009] The second sealing ring is arranged at the end of the inner wall of the first protective cylinder away from the butt flange, the second sealing ring on one side of the first protective cylinder is used for sealing the gap between the inner wall of the first protective cylinder and the gas pipe, the second sealing ring is arranged at the end of the inner wall of the second protective cylinder away from the butt flange, the size of the second sealing ring is larger than that of the first sealing ring, and the second sealing ring on one side of the second protective cylinder is used for sealing the gap between the inner wall of the second protective cylinder and the gas pipe.
[0010] The water absorption ring is arranged between the second sealing ring on the same side and the receiving ring groove, the water absorption ring on one side of the first protective cylinder is used for preventing moisture in the first protective cylinder, and the water absorption ring is arranged between the second sealing ring on the same side and the inserting ring.
[0011] The water absorption ring is arranged between the second sealing ring on the same side and the receiving ring groove, the water absorption ring on one side of the first protective cylinder is used for preventing moisture in the first protective cylinder, and the water absorption ring is arranged between the second sealing ring on the same side and the inserting ring.
[0012] The fixing assembly comprises a first positioning block connected with the outer wall of the first protective cylinder, a second positioning block connected with the outer wall of the second protective cylinder, a pair of threaded holes arranged between the first positioning block and the second positioning block, and a positioning screw arranged in each threaded hole.
[0013] Compared with the prior art, the application has at least one of the following beneficial technical effects:
[0014] 1、through the plug ring and the receiving ring groove butt joint adaptation, so that the first protective cylinder and the second protective cylinder sealed butt joint, in through the fixed assembly between the first protective cylinder and the second protective cylinder fixed connection, so that the first protective cylinder and the second protective cylinder between the formation of a closed cylinder on the flange of gas pipe wrapped protection, and then through the first sealing ring and the second sealing ring on the gap of the combined cylinder end sealing, so as to improve the sealing of the cylinder, so as to reduce the pollution of the butt flange, so as to improve the sealing and corrosion resistance of the gas pipe connection.
[0015] 2、water absorption ring is used to prevent the first protective cylinder and the second protective cylinder after the combination of the cylinder gap into the water vapor, so as to adsorb the water vapor, so as to reduce the probability of flange damp, so as to improve the corrosion resistance of the gas pipe connection, the water absorption ring is also used to prevent dry particles from falling off.
[0016] 3、gap is used to sleeve the groove wall of the receiving ring groove, so as to improve the sealing of the receiving ring groove and the plug ring after butt joint. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the main structure of the utility model schematic diagram;
[0018] Figure 2 is the front view of the utility model;
[0019] Figure 3 is the A local enlarged view of the utility model Figure 2 ;
[0020] Figure 4 is the side view of the utility model.
[0021] BRIEF DESCRIPTION OF DRAWINGS: 100, gas pipe; 101, butt flange; 200, the first protective cylinder; 201, receiving ring groove; 202, the first sealing ring; 203, the second sealing ring; 204, water absorption ring; 205, connecting block; 300, the second protective cylinder; 301, plug ring; 302, connecting ring; 303, gap; 400, fixed assembly; 401, first positioning block; 402, second positioning block; 403, threaded hole; 404, positioning bolt. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model more clear, the following will combine the drawings of the embodiments of the utility model Figures 1-4 The technical scheme of the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all. Based on the described embodiments of the utility model, all other embodiments obtained by those skilled in the art belong to the scope of the utility model.
[0023] As shown in Figures 1-4 : the embodiment provides a kind of indoor buried gas pipeline anticorrosion structure, including the butt flange 101 of gas pipe 100 connecting place setting, the anticorrosive lining of gas pipe 100 inner wall, the anticorrosion treatment of gas pipe 100 outer wall, the anticorrosion treatment of butt flange 101 body, butt flange 101 It is provided with sealing washer at the inside butt joint of stainless steel material, first protective cylinder 200 is provided on one side of butt flange 101, the cylinder mouth of first protective cylinder 200 is towards butt flange 101, second protective cylinder 300 is provided on the other side of butt flange 101, the cylinder mouth of second protective cylinder 300 is towards butt flange 101, first protective cylinder 200 and second protective cylinder 300 can be made of corrosion-resistant material as a whole, the inner ring of first protective cylinder 200 and second protective cylinder 300 is attached with the outer wall of gas pipe 100, first protective cylinder 200 and second protective cylinder 300 meet after butt joint to wrap sealing for butt flange 101, one side of first protective cylinder 200 close to butt flange 101 is provided with receiving ring groove 201, receiving ring groove 201 is made of corrosion-resistant material, the size of the slot in receiving ring groove 201 is consistent with the size of plug-in ring 301, receiving ring groove 201 and the inner wall of first protective cylinder 200 can be welded or fusion welded, one side of second protective cylinder 300 close to butt flange 101 is provided with plug-in ring 301, plug-in ring 301 can be made of corrosion-resistant material, receiving ring groove 201 and plug-in ring 301 are sealed together, the outer surface of first protective cylinder 200 and second protective cylinder 300 is provided with a plurality of fixed components 400, and fixed component 400 is used for butt joint fixing between first protective cylinder 200 and second protective cylinder 300, the outer wall of first protective cylinder 200 can be coated with anticorrosive paint, and the joint of butt flange 101 is also suitable for welding joint.
[0024] In use, by plug-in ring 301 and receiving ring groove 201 butt joint adaptation, so that first protective cylinder 200 and second protective cylinder 300 are sealed butt joint, by fixed component 400, first protective cylinder 200 and second protective cylinder 300 are fixedly connected, so that first protective cylinder 200 and second protective cylinder 300 form a closed cylinder between them, and the flange on gas pipe 100 is wrapped and protected, and then the gap at the end of the combined cylinder is sealed by first sealing ring 202 and second sealing ring 203, so as to improve the sealing property of the cylinder, so as to reduce the damage of pollutants to butt flange 101, so as to improve the sealing property and corrosion resistance of the connecting part of gas pipe 100.
[0025] The embodiment provides a kind of indoor buried gas pipeline anticorrosion structure,
[0026] As shown in Figure 1 , 2, 3, the inner wall of the first protective cylinder 200 can be hot melt connected or welded fixed, the connecting ring 302 is provided on the side of the insertion ring 301 away from the butt flange 101, the connecting ring 302 can adopt a stainless steel material ring, the insertion ring 301 can adopt a round ring of asbestos rubber material, the insertion ring 301 and the connecting ring 302 can be fixed by glue bonding or hot melt connection, the connecting ring 302 is used for connecting and fixing the insertion ring 301 and the second protective cylinder 300, the connecting ring 302 and the inner wall of the second protective cylinder 300 can be hot melt or welded fixed, the gap 303 is provided between the insertion ring 301 and the inner wall of the second protective cylinder 300, the size of the gap 303 is consistent with the size of the groove wall of the receiving ring groove 201, so that it can be inserted into the gap 303, and the gap 303 is used for sleeving the groove wall of the receiving ring groove 201.
[0027] The effect is that the connecting ring 302 is used for connecting and fixing the insertion ring 301 and the second protective cylinder 300, and the gap 303 is used for sleeving the groove wall of the receiving ring groove 201, so that the sealing performance after the receiving ring groove 201 and the insertion ring 301 are butt jointed can be improved.
[0028] As shown in Figure 1 , 2 , 3, the first sealing ring 202 is provided on the outer wall of the first protective cylinder 200 away from the butt flange 101, the first sealing ring 202 and the outer wall of the first protective cylinder 200 are bonded fixed, the first sealing ring 202 on one side of the first protective cylinder 200 is used for sealing the gap between the outer wall of the first protective cylinder 200 and the gas pipe 100, the first sealing ring 202 is provided on the outer wall of the second protective cylinder 300 away from the butt flange 101, the first sealing ring 202 and the outer wall of the second protective cylinder 300 are bonded fixed, the first sealing ring 202 on one side of the second protective cylinder 300 is used for sealing the gap between the outer wall of the second protective cylinder 300 and the gas pipe 100, the second sealing ring 203 is provided on the inner wall of the first protective cylinder 200 away from the butt flange 101, the second sealing ring 203 on the first protective cylinder 200 is bonded fixed with the inner wall of the first protective cylinder 200 through glue, the second sealing ring 203 on one side of the first protective cylinder 200 is used for sealing the gap between the inner wall of the first protective cylinder 200 and the gas pipe 100, the second sealing ring 203 is provided on the inner wall of the second protective cylinder 300 away from the butt flange 101, the second sealing ring 203 on the second protective cylinder 300 is bonded fixed with the inner wall of the second protective cylinder 300 through glue, the size of the second sealing ring 203 is larger than that of the first sealing ring 202, and the second sealing ring 203 on one side of the second protective cylinder 300 is used for sealing the gap between the inner wall of the second protective cylinder 300 and the gas pipe 100.
[0029] The effect is that the first sealing ring 202 and the second sealing ring 203 located on one side of the first protective cylinder 200 can seal the connection gap between the end of the first protective cylinder 200 and the gas pipe 100 from both sides, and the first sealing ring 202 and the second sealing ring 203 located on one side of the second protective cylinder 300 can seal the connection gap between the end of the second protective cylinder 300 and the gas pipe 100 from both sides, thereby improving the sealing performance of the structure.
[0030] As shown in Figure 1 , 2 , 3, 4: The second sealing ring 203 on the same side and the receiving ring groove 201 are provided with a water absorption ring 204, the water absorption ring 204 can adopt a circle with strong water absorption, and the interval between the water absorption ring 204 and the end of the first protective cylinder 200 is filled with dry particles, the dry particles are used to keep the inside of the anti-corrosion structure after the combination of the first protective cylinder 200 and the second protective cylinder 300 dry, thereby improving the anti-corrosion performance, the interval between the water absorption ring 204 and the end of the second protective cylinder 300 is filled with dry particles, the water absorption ring 204 on one side of the first protective cylinder 200 is used to prevent moisture in the inside of the first protective cylinder 200, the second sealing ring 203 on the same side and the plug-in ring 301 are provided with a water absorption ring 204, the inner circle of the water absorption ring 204 is bonded and fixed with the outer wall of the gas pipe 100, and the outer circle of the water absorption ring 204 is bonded and fixed with the connecting block 205 through glue, the water absorption ring 204 on one side of the second protective cylinder 300 is used to prevent moisture in the inside of the second protective cylinder 300, and each water absorption ring 204 is provided with a connecting block 205 at four corners, the connecting block 205 located on the side of the first protective cylinder 200 is weldably connected with the inner wall of the first protective cylinder 200, and the connecting block 205 located on the side of the second protective cylinder 300 is weldably connected with the inner wall of the second protective cylinder 300.
[0031] The effect is that the water absorption ring 204 is used to prevent water vapor from entering the gap of the cylinder body after the combination of the first protective cylinder 200 and the second protective cylinder 300, thereby adsorbing the water vapor, thereby reducing the probability of flange moisture, and the water absorption ring 204 is also used to prevent dry particles from falling off.
[0032] As shown in Figure 1 , 4As shown: the fixed assembly 400 includes the first positioning block 401 connected with the outer wall of the first protective cylinder 200, the first positioning block 401 is welded with the outer wall of the first protective cylinder 200, the first positioning block 401 is used for the first protective cylinder 200 and the positioning bolt 404 is connected, the second positioning block 402 is connected with the outer wall of the second protective cylinder 300, the second positioning block 402 is welded with the outer wall of the second protective cylinder 300, the second positioning block 402 is used for the second protective cylinder 300 and the positioning bolt 404 is connected, a pair of threaded holes 403 are arranged between the first positioning block 401 and the second positioning block 402, the threaded hole 403 is used for inserting the positioning bolt 404, the threaded hole 403 is used for installing the positioning bolt 404, the first positioning block 401 and the second positioning block 402 correspond to each other, one positioning bolt 404 is arranged in each threaded hole 403, and the positioning bolt 404 is used for connecting and fixing the first positioning block 401 and the second positioning block 402.
[0033] The effect is that the positioning bolt 404 is installed in the threaded hole 403 on the first positioning block 401 and the second positioning block 402, is fixed and limited through a nut, so that the first positioning block 401 and the second positioning block 402 are connected and fixed, so that the first protective cylinder 200 and the second protective cylinder 300 are sealed and connected.
[0034] Working principle: through the butt joint and adaptation of the plug-in ring 301 and the bearing ring groove 201, so that the first protective cylinder 200 and the second protective cylinder 300 are sealed and connected, and through the fixed assembly 400, the first protective cylinder 200 and the second protective cylinder 300 are fixedly connected, so that the first protective cylinder 200 and the second protective cylinder 300 form a closed cylinder on the flange of the gas pipe 100, and the flange is wrapped and protected, and then the gap at the end of the combined cylinder is sealed through the first sealing ring 202 and the second sealing ring 203, so that the sealing property of the cylinder is improved, so that the butt flange 101 is less affected by pollutants, and the sealing property and corrosion resistance of the connection of the gas pipe 100 are improved.
[0035] In addition, it should be further pointed out that, in the description of the present application, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0036] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the ordinary in the art, without departing from the principles described in the present application, can be made several improvements and refinements, these improvements and refinements should also be considered as the scope of protection of the present application.
Claims
1. A corrosion protection structure for indoor embedded gas pipeline, comprising a butt flange (101) arranged at the connection of a gas pipeline (100), characterized in that: The butt flange (101) is provided with a first protective cylinder (200) on one side, and a second protective cylinder (300) on the other side, a receiving ring groove (201) is arranged on the side of the first protective cylinder (200) close to the butt flange (101), an insertion ring (301) is arranged on the side of the second protective cylinder (300) close to the butt flange (101), the receiving ring groove (201) is in sealing cooperation with the insertion ring (301), and a plurality of fixing assemblies (400) are arranged on the outer surfaces of the first protective cylinder (200) and the second protective cylinder (300).
2. A corrosion protection structure for a concealed gas pipe (100) in a room according to claim 1, characterized in that: The receiving ring groove (201) is fixed to the inner wall of the first protective cylinder (200), the insertion ring (301) is provided with a connecting ring (302) away from the butt flange (101), the connecting ring (302) is fixed to the inner wall of the second protective cylinder (300), and a gap (303) is arranged between the insertion ring (301) and the inner wall of the second protective cylinder (300).
3. A corrosion protection structure for a concealed gas pipe (100) in a room according to claim 2, characterized in that: A first sealing ring (202) is arranged at the end of the outer wall of the first protective cylinder (200) away from the butt flange (101), and the first sealing ring (202) is arranged at the end of the outer wall of the second protective cylinder (300) away from the butt flange (101).
4. A structure for preventing corrosion of a buried indoor gas pipe (100) according to claim 3, wherein: A second sealing ring (203) is arranged at the end of the inner wall of the first protective cylinder (200) away from the butt flange (101), and the second sealing ring (203) is arranged at the end of the inner wall of the second protective cylinder (300) away from the butt flange (101), and the size of the second sealing ring (203) is greater than that of the first sealing ring (202).
5. A structure for preventing corrosion of a buried indoor gas pipe (100) according to claim 4, wherein: A water absorption ring (204) is arranged between the second sealing ring (203) and the receiving ring groove (201) on the same side, and the water absorption ring (204) is arranged between the second sealing ring (203) and the insertion ring (301) on the same side.
6. A structure for preventing corrosion of a buried gas pipe (100) in a room according to claim 5, characterized in that: A connecting block (205) is arranged at each corner of each water absorption ring (204).
7. A structure for preventing corrosion of a buried gas pipe (100) in a room according to claim 6, characterized in that: The fixing assembly (400) comprises a first positioning block (401) connected to the outer wall of the first protective cylinder (200) and a second positioning block (402) connected to the outer wall of the second protective cylinder (300), a pair of threaded holes (403) are arranged between the first positioning block (401) and the second positioning block (402), and a positioning bolt (404) is arranged in each threaded hole (403).