Anti-corrosion protection device for elbow pipe in pressure regulating box
By installing a tee structure consisting of a protective semi-circular pipe and a bent semi-circular pipe at the bend inside the pressure regulating box, combined with a sealing rubber gasket and a locking mechanism, the problem of poor corrosion resistance at the bend tee is solved, achieving stronger protection and sealing effects.
Patent Information
- Application Number
- CN202423263402.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional corrosion prevention methods are prone to loss of protection at the bends inside the pressure regulating box due to wear and scratches, and external water stains can easily corrode the pipes, affecting the protective effect.
The tee structure is composed of a first protective semicircular pipe, a first bent semicircular pipe, a second protective semicircular pipe, and a second bent semicircular pipe. Combined with sealing rubber gaskets, protective strips, locking mechanisms, etc., it directly wraps around the bend tee and seals it to prevent external liquids from entering.
It effectively avoids corrosion failure caused by coating wear, improves the protection effect at the bend tee, enhances sealing, prevents external liquid corrosion, and improves corrosion resistance.
Smart Images

Figure CN223524765U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of elbow protection, more specifically, the utility model relates to pressure regulating box internal elbow anticorrosion protection device. BACKGROUND
[0002] Pressure regulating box refers to the pressure regulating device is placed in the special box, is located in the building nearby, bears the pressure regulation of gas, and the elbow tee of pressure regulating box inside is the important component, however, due to the fact that the gas may contain water, acidic substance and other corrosive components, and the change of fluid flow state at elbow, the elbow part is more susceptible to corrosion,
[0003] The traditional anticorrosion method is usually coated with anticorrosive coating on the surface of the elbow, and the coating is easy to be worn, scratched or peeled off in the long-term use process, thereby losing the anticorrosion effect, and it is inconvenient to wrap and protect the elbow tee, and the external water stains are easy to adhere to the elbow and corrode the pipeline, which affects the protection effect, therefore, the pressure regulating box internal elbow anticorrosion protection device is proposed. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a pressure regulating box internal elbow anticorrosion protection device to solve the problems raised in the above background art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the pressure regulating box internal elbow anticorrosion protection device comprises a first protection half-round pipe arranged in the middle of the pressure regulating box, a first bent half-round pipe fixedly connected to one side of the middle of the first protection half-round pipe, a second protection half-round pipe rotatably connected to the side of the first protection half-round pipe away from the first bent half-round pipe, and a second bent half-round pipe fixedly connected to the middle of the side of the second protection half-round pipe away from the first protection half-round pipe.
[0006] The inner side of the connection part of the first protection half-round pipe and the second protection half-round pipe is fixedly connected with a protection belt, the inner cavities of the first protection half-round pipe and the second protection half-round pipe are fixedly connected with a first limiting strip and a first sealing rubber pad at both ends in a symmetrical manner, and the middle of one end of the first bent half-round pipe and the second bent half-round pipe is fixedly connected with a second limiting strip and a second sealing rubber pad.
[0007] The side of both ends of the second protection half-round pipe is fixedly connected with a connecting rack, the side of both ends of the first protection half-round pipe is fixedly connected with a lock head block, and the opposite ends of the first bent half-round pipe and the second bent half-round pipe are provided with a locking mechanism in a symmetrical manner.
[0008] Preferably, the first protection half-round pipe and the second protection half-round pipe are matched, the first bending half-round pipe and the second bending half-round pipe are matched, and the first protection half-round pipe, the first bending half-round pipe, the second protection half-round pipe and the second bending half-round pipe form a tee structure.
[0009] Preferably, a sealing strip is embedded in one side wall of the first protection half-round pipe, the first bending half-round pipe, the second protection half-round pipe and the second bending half-round pipe, and the two ends of the protection belt are fixedly connected with the first limiting strip.
[0010] Preferably, one end of the first sealing rubber pad is located outside the first protection half-round pipe and the second protection half-round pipe, one end of the second sealing rubber pad is located outside the first bending half-round pipe and the second bending half-round pipe, and the thickness of the first sealing rubber pad and the second sealing rubber pad at the end away from the first limiting strip and the second limiting strip is greater than that at the other end.
[0011] Preferably, a bushing is formed in the middle of the lock head block, a first fastening bolt is inserted into one end of the lock head block, one end of the first fastening bolt is threadedly located in the middle of the bushing, the bushing is matched with the connecting rack, and the surface teeth of the connecting rack are located on the side close to the first fastening bolt.
[0012] Preferably, the locking mechanism comprises fixed ear plates fixed on both sides of one end of the second bending half-round pipe, a first through hole is formed in the middle of the fixed ear plate, and a metal wire and a fixed block are fixedly connected on both sides of one end of the first bending half-round pipe.
[0013] Preferably, the metal wire is matched with the first through hole, a second through hole is formed in the middle of the fixed block, the metal wire is matched with the second through hole, a second fastening bolt is inserted into one side of the fixed block, and one end of the second fastening bolt is threadedly located in the middle of the second through hole.
[0014] The technical effects and advantages of the utility model are as follows:
[0015] 1. The utility model discloses a first protection half-round pipe, a first bending half-round pipe, a second protection half-round pipe and a second bending half-round pipe are clamped and wrapped at the elbow tee of the pressure regulating tank, which can directly wrap and protect the elbow tee, avoid damage to the coating due to abrasion and scratching, and through the extrusion of the first sealing rubber pad and the second sealing rubber pad, the two ends of the first protection half-round pipe and one end of the first bending half-round pipe can be sealed, external liquid is prevented from entering the inside to corrode the elbow tee, and the corrosion protection effect is improved.
[0016] 2、The utility model discloses further seal the connecting place of first protection half -round pipe and second protection half -round pipe through the setting protection band, further improve the sealing effect through the extrusion of sealing strip to first bending half -round pipe and second bending half -round pipe, and through the setting of the insertion of connecting rack into the inside of insertion hole and the rotation first fastening bolt is close to connecting rack, the combination of second protection half -round pipe and first protection half -round pipe is fixed conveniently, and through locking mechanism, the combination one end of first bending half -round pipe and second bending half -round pipe can be fixed tightly, improve the effect of wrapping protection.
[0017] In summary, through the mutual influence of the above-mentioned multiple effects, the elbow tee can be directly wrapped and protected, the coating can be prevented from being damaged due to wear and tear, the end portion can be sealed, external liquid can be prevented from entering the internal portion to corrode the elbow tee, and the corrosion protection effect can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model.
[0019] Figure 2 It is the unfolded structure schematic diagram of first protection half -round pipe and second protection half -round pipe of the utility model.
[0020] Figure 3 It is the rear view structure schematic diagram of first protection half -round pipe and second protection half -round pipe after unfolding of the utility model.
[0021] Figure 4 It is the connection structure schematic diagram of first protection half -round pipe and second protection half -round pipe of the utility model.
[0022] The figure mark is: 1, pressure regulating tank, 2, first protection half -round pipe, 3, first bending half -round pipe, 4, second protection half -round pipe, 5, second bending half -round pipe, 6, protection band, 7, first limit strip, 8, first sealing rubber pad, 9, connecting rack, 10, lock head block, 11, insertion hole, 12, first fastening bolt, 13, second limit strip, 14, second sealing rubber pad, 15, fixed lug, 16, first through -hole, 17, wire, 18, fixed block, 19, second through -hole, 20, second fastening bolt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] As shown in the accompanying Figures 1-4The anti-corrosion protection device for the internal elbow pipe of the pressure regulating tank shown comprises a first protection half-round pipe 2 arranged in the middle of the pressure regulating tank 1, a first bent half-round pipe 3 fixedly connected to one side of the middle of the first protection half-round pipe 2, a second protection half-round pipe 4 rotatably connected to the side of the first protection half-round pipe 2 away from the first bent half-round pipe 3, and a second bent half-round pipe 5 fixedly connected to the middle of the side of the second protection half-round pipe 4 away from the first protection half-round pipe 2. The first protection half-round pipe 2, the first bent half-round pipe 3, the second protection half-round pipe 4, and the second bent half-round pipe 5 are combined into a three-way pipe structure, which facilitates the wrapping and protection of the internal elbow pipe of the pressure regulating tank, avoids water stains from adhering to the elbow pipe to corrode the pipe, and plays a protective role and facilitates installation and disassembly.
[0025] The inner side of the connection between the first protection half-round pipe 2 and the second protection half-round pipe 4 is fixedly connected with a protection belt 6, and the inner cavities of the first protection half-round pipe 2 and the second protection half-round pipe 4 are fixedly connected with a first limiting strip 7 and a first sealing rubber pad 8 at both ends, and the middle of one end of the first bent half-round pipe 3 and the second bent half-round pipe 5 is fixedly connected with a second limiting strip 13 and a second sealing rubber pad 14. The connection between the first protection half-round pipe 2 and the second protection half-round pipe 4 is sealed by the protection belt 6, the two ends of the pipe combined by the first protection half-round pipe 2 and the second protection half-round pipe 4 are plugged by the first limiting strip 7 and the first sealing rubber pad 8, and the one end of the pipe combined by the second bent half-round pipe 5 and the first bent half-round pipe 3 is plugged by the second limiting strip 13 and the second sealing rubber pad 14, thereby improving the sealing and protection effect.
[0026] The side of both ends of the second protection half-round pipe 4 is fixedly connected with a connecting rack 9, and the side of both ends of the first protection half-round pipe 2 is fixedly connected with a lock head block 10. The opposite ends of the first bent half-round pipe 3 and the second bent half-round pipe 5 are symmetrically provided with a locking mechanism. The two ends of the pipe combined by the second protection half-round pipe 4 and the first protection half-round pipe 2 can be tightly fixed by the cooperation of the connecting rack 9 and the lock head block 10, and the one end of the pipe combined by the first bent half-round pipe 3 and the second bent half-round pipe 5 can be tightly fixed by the locking mechanism, thereby improving the protection effect.
[0027] As shown in the accompanying drawings, Figures 2-4 The first protection half-round pipe 2 and the second protection half-round pipe 4 are adapted to each other, the first bent half-round pipe 3 and the second bent half-round pipe 5 are adapted to each other, and the first protection half-round pipe 2, the first bent half-round pipe 3, the second protection half-round pipe 4, and the second bent half-round pipe 5 form a three-way pipe structure. The first protection half-round pipe 2 and the second protection half-round pipe 4 can be directly covered on the internal elbow pipe of the pressure regulating tank 1 and directly protect the elbow pipe by cooperating with the first bent half-round pipe 3 and the second bent half-round pipe 5.
[0028] As shown in the accompanying drawings, Figure 2As shown, the first protective semicircular pipe 2, the first bending semicircular pipe 3, the second protective semicircular pipe 4 and the second bending semicircular pipe 5 are provided with sealing strips at one side wall, and the two ends of the protective belt 6 are fixedly connected with the first limiting strip 7. Through the cooperation of the sealing strips, the first protective semicircular pipe 2 and the second protective semicircular pipe 4, the first bending semicircular pipe 3 and the second bending semicircular pipe 5 can be sealed when they are attached, thereby improving the sealing effect. The protective belt 6 can seal the connection gap between the first protective semicircular pipe 2 and the second protective semicircular pipe 4.
[0029] As shown in the accompanying drawings, Figures 2-4 As shown, one end of the first sealing rubber pad 8 is located outside the first protective semicircular pipe 2 and the second protective semicircular pipe 4, and one end of the second sealing rubber pad 14 is located outside the first bending semicircular pipe 3 and the second bending semicircular pipe 5. The thickness of the first sealing rubber pad 8 and the second sealing rubber pad 14 away from the first limiting strip 7 and the second limiting strip 13 is greater than that of the other end. When the first protective semicircular pipe 2 and the second protective semicircular pipe 4 form a circular pipe, the first sealing rubber pad 8 can be used to extrude and attach the pipe of the bending pipe, thereby achieving the sealing effect. The first bending semicircular pipe 3 and the second bending semicircular pipe 5 can extrude and seal the second sealing rubber pad 14 to achieve the sealing of the bending pipe, thereby improving the sealing effect.
[0030] As shown in the accompanying drawings, Figures 2-4 As shown, the lock head block 10 is provided with a insertion hole 11 in the middle, and the first fastening bolt 12 is inserted into one end of the lock head block 10. The first fastening bolt 12 is screwed into the middle of the insertion hole 11. The insertion hole 11 is matched with the connecting gear 9, and the surface teeth of the connecting gear 9 are located on the side close to the first fastening bolt 12. By inserting the connecting gear 9 into the insertion hole 11, the first fastening bolt 12 can generate tension on the connecting gear 9 by rotating, thereby improving the attachment strength of the second protective semicircular pipe 4 and the first protective semicircular pipe 2, and facilitating the fixation and use.
[0031] As shown in the accompanying drawings, Figures 2-4 As shown, the locking mechanism includes fixed ear plates 15 fixed on both sides of one end of the second bending semicircular pipe 5, and the fixed ear plates 15 are provided with first through holes 16 in the middle. The first bending semicircular pipe 3 is fixedly connected with a metal wire 17 and a fixed block 18 on both sides of one end.
[0032] As shown in the accompanying drawings, Figures 2-4As shown, the metal wire 17 is matched with the first through hole 16, the middle part of the fixed block 18 is provided with a second through hole 19, the metal wire 17 is matched with the second through hole 19, the side of the fixed block 18 is provided with a second fastening bolt 20, one end of the second fastening bolt 20 is screwed in the middle part of the second through hole 19, the metal wire 17 is inserted into the middle part of the first through hole 16 and the second through hole 19, and the metal wire 17 is pulled to make the combined first and second bent semicircular pipes 3 and 5 generate a tighter force, the metal wire 17 can be extruded by rotating the second fastening bolt 20, the metal wire 17 is fixed, and the combination effect is improved.
[0033] The utility model discloses working principle: when using, only need to be clamped in the pipe bend tee place in the inside of pressure regulating tank 1 with first protection semicircular pipe 2 and first bent semicircular pipe 3, and rotate second protection semicircular pipe 4 and second bent semicircular pipe 5 make second bent semicircular pipe 5 and first bent semicircular pipe 3 adhere, second protection semicircular pipe 4 and first protection semicircular pipe 2 adhere, and the pipe bend tee place is wrapped in the inside, realizes the effect of protection.
[0034] Then the connecting rack 9 is inserted into the inside of the insertion hole 11, and the first fastening bolt 12 is rotated to lock and fix the connecting rack 9, the metal wire 17 is inserted into the middle part of the first through hole 16 and the second through hole 19, then the metal wire 17 is pulled to increase the adhesion strength of the first and second bent semicircular pipes 3 and 5, then the second fastening bolt 20 is rotated to extrude and fix the metal wire 17, the first and second protection semicircular pipes 2 and 4 extrude the first sealing rubber pad 8, the first and second bent semicircular pipes 3 and 5 extrude the second sealing rubber pad 14, the end position of the second protection semicircular pipe 4 and the second bent semicircular pipe 5 is sealed, the protection effect is improved, and the liquid is prevented from entering the inside to corrode the pipeline.
[0035] The above only is preferred embodiment of the utility model, and does not use for limiting the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should include in the protection scope of the utility model.
Claims
1. A corrosion protection device for the internal elbow of a pressure regulating tank, comprising a first protection half-circular pipe (2) arranged in the middle part of the pressure regulating tank (1), characterized in that: The middle part of the first protection semicircular pipe (2) is fixedly connected with a first bent semicircular pipe (3), the side away from the first bent semicircular pipe (3) of the first protection semicircular pipe (2) is rotationally connected with a second protection semicircular pipe (4), and the middle part of the side away from the first protection semicircular pipe (2) of the second protection semicircular pipe (4) is fixedly connected with a second bent semicircular pipe (5). The inner side of the connection part of the first protection semicircular pipe (2) and the second protection semicircular pipe (4) is fixedly connected with a protection belt (6), and the inner cavities of the first protection semicircular pipe (2) and the second protection semicircular pipe (4) are symmetrically fixedly connected with a first limiting strip (7) and a first sealing rubber pad (8) at both ends. The side of both ends of the second protection semicircular pipe (4) is fixedly connected with a connecting gear rack (9), the side of both ends of the first protection semicircular pipe (2) is fixedly connected with a lock head block (10), and the opposite ends of the first bent semicircular pipe (3) and the second bent semicircular pipe (5) are symmetrically provided with a locking mechanism.
2. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: The first protection semicircular pipe (2) and the second protection semicircular pipe (4) are matched, the first bent semicircular pipe (3) and the second bent semicircular pipe (5) are matched, and the first protection semicircular pipe (2), the first bent semicircular pipe (3), the second protection semicircular pipe (4) and the second bent semicircular pipe (5) form a tee pipe structure.
3. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: The side wall of the first protection semicircular pipe (2), the first bent semicircular pipe (3), the second protection semicircular pipe (4) and the second bent semicircular pipe (5) is embedded with a sealing strip, and the both ends of the protection belt (6) are fixedly connected with the first limiting strip (7).
4. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: One end of the first sealing rubber pad (8) is located outside the first protection semicircular pipe (2) and the second protection semicircular pipe (4), one end of the second sealing rubber pad (14) is located outside the first bent semicircular pipe (3) and the second bent semicircular pipe (5), and the thickness of the other end of the first sealing rubber pad (8) and the second sealing rubber pad (14) is greater than that of the other end away from the first limiting strip (7) and the second limiting strip (13).
5. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: The middle part of the lock head block (10) is provided with a bushing (11), one end of the lock head block (10) is provided with a first fastening bolt (12), one end of the first fastening bolt (12) is threadedly located in the middle part of the bushing (11), the bushing (11) is matched with the connecting gear rack (9), and the surface teeth of the connecting gear rack (9) are located on the side close to the first fastening bolt (12).
6. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: The locking mechanism comprises fixed ear plates (15) fixed on both sides of one end of the second bent semicircular pipe (5), the middle part of the fixed ear plate (15) is provided with a first through hole (16), and one end of the first bent semicircular pipe (3) is fixedly connected with a metal wire (17) and a fixed block (18) on both sides.
7. The anti-corrosion protection device for internal elbow of pressure regulating tank according to claim 1, characterized in that: The metal wire (17) is matched with the first through hole (16), the middle part of the fixed block (18) is provided with the second through hole (19), the metal wire (17) is matched with the second through hole (19), one side of the fixed block (18) is provided with the second fastening bolt (20), and one end of the second fastening bolt (20) is screwed in the middle part of the second through hole (19).