Reinforcing device for electric water heater anti-electric wall outlet pipe

By linking the reinforcement components and the limiting components, the problem of loose threads in the outlet pipe of the electric water heater's anti-electric shock wall during long-term use is solved, achieving stable connection and reducing the risk of leakage, extending the life of the components and reducing maintenance costs.

CN224340348UActive Publication Date: 2026-06-09ZHUJI GUODA PLASTIC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUJI GUODA PLASTIC
Filing Date
2025-06-30
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The metal connections of the outlet pipe of the existing electric water heater's anti-electric shock wall are prone to loosening after hot water has been flowing through it for a long time, which can cause the threads to loosen and lead to water leakage.

Method used

The design incorporates reinforcement and limiting components, including a rotating sleeve, support tube, reinforcement nut, fixing ring, limiting sleeve, teeth, and spring. Through the linkage of threaded connection and limiting structure, the water outlet pipe of the anti-electric wall is stably fixed.

Benefits of technology

It significantly improves the stability of the water pipe connection of the anti-electric shock wall, reduces the risk of water leakage, extends the service life of components, simplifies the assembly process, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of reinforcing device of electric water heater anti-electricity wall water outlet pipe, it is related to electrical equipment technical field.The utility model includes cylinder, the connecting seat is installed in cylinder interior, the anti-electricity wall pipe is threadedly connected in the connecting seat bottom;The surface of the anti-electricity wall pipe is provided with reinforcing assembly.The utility model is through the synergic effect of reinforcing assembly and limiting component, the stability of anti-electricity wall water outlet pipe connecting structure is significantly improved, among them, the hexagonal groove clamping design of reinforcing nut and limiting sleeve can effectively prevent the thread loosening problem caused by water pressure fluctuation, and the meshing structure of limiting block and tooth is further limited the reverse rotation space of reinforcing nut by the elastic support of spring and the guiding effect of sliding rod, in addition, the linkage design of rotating sleeve and screw rod can accurately push screw pipe against limiting block by thread transmission, form double locking mechanism, thereby substantially reduce the risk of leakage in long-term use, ensure electric water heater operation safety.
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Description

Technical Field

[0001] This utility model belongs to the field of electrical equipment technology, and in particular relates to a reinforcement device for the outlet pipe of an electric water heater with an anti-electric shock wall. Background Technology

[0002] The anti-electric shock outlet pipe of an electric water heater is an important safety component. Structurally, it is a specially designed pipe. Its principle is to utilize the resistance of water itself to create a high resistance value within the outlet pipe. When the electric water heater leaks electricity, the leakage current will be conducted through the water in the outlet pipe. However, due to the resistance of the anti-electric shock outlet pipe, the current reaching the human body is kept far below the safe current value, thus ensuring the user's safety. In appearance, it is similar to a regular outlet pipe, but its internal structure is more sophisticated. It is usually made of high-temperature resistant and corrosion-resistant materials to ensure stable operation during long-term use, adding a reliable layer of protection for household electrical safety.

[0003] Currently, the outlet pipe of electric water heaters with anti-electric shock protection typically uses a threaded connection to connect the outlet pipe to the cylinder during installation. However, water pressure is generated when hot water is supplied, and after prolonged use of hot water, the metal connection can easily loosen, leading to loose threads and leaks. To address this issue, we provide a reinforcement device for the outlet pipe of electric water heaters with anti-electric shock protection to solve the aforementioned problems. Utility Model Content

[0004] The purpose of this utility model is to provide a reinforcement device for the outlet pipe of an electric water heater with an anti-electric shock wall. By combining the reinforcement component and the limiting component, the problem of loosening of the metal parts connection of the outlet pipe of an electric water heater after a long period of hot water flow is solved.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0006] This utility model relates to a reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall, comprising a cylindrical body, a connecting seat installed inside the cylindrical body, and an anti-electric shock wall pipe threaded to the bottom of the connecting seat; a reinforcement component is provided on the surface of the anti-electric shock wall pipe, the reinforcement component including a rotating sleeve disposed at the bottom of the cylindrical body, a support pipe movably connected inside the rotating sleeve, a reinforcement nut installed on the surface of the anti-electric shock wall pipe, a fixing ring sleeved on the surface of the reinforcement nut, and a limiting sleeve movably connected inside the fixing ring; a limiting component is provided inside the fixing ring, the limiting component including teeth installed on the surface of the limiting sleeve, and a limiting block disposed on one side of the teeth.

[0007] The present invention is further configured such that the limiting component also includes a screw installed inside the rotating sleeve, and a threaded tube threaded to the surface of the screw.

[0008] The present invention is further configured such that a sliding rod is fixedly connected to one side of the limiting block, one end of the sliding rod extends into the interior of the support tube, and the other end of the support tube is fixedly connected to the fixing ring.

[0009] The present invention is further configured such that a spring is sleeved on the surface of the slide rod, and one end of the spring is fixedly connected to the inner wall of the fixing ring.

[0010] The present invention is further configured such that a connecting pipe is fixedly connected to the bottom of the anti-electric wall pipe, a water pipe is threadedly connected to the surface of the connecting pipe, and a top ring is provided at the top of the water pipe.

[0011] The present invention is further configured such that one end of the screw tube extends into the interior of the fixing ring, and the screw tube is horizontally aligned with the limiting block.

[0012] The present invention is further configured such that a slider is fixedly connected to the bottom of the spiral tube, and the slider is slidably connected to the inner wall of the support tube.

[0013] The present invention has the following beneficial effects.

[0014] 1. This utility model significantly improves the stability of the anti-electric shock wall water outlet pipe connection structure through the synergistic effect of the reinforcing component and the limiting component. The hexagonal groove snap-fit ​​design of the reinforcing nut and the limiting sleeve can effectively prevent the thread from loosening due to water pressure fluctuations. The meshing structure of the limiting block and the teeth, through the elastic support of the spring and the guiding effect of the slide rod, further restricts the reverse rotation space of the reinforcing nut. In addition, the linkage design of the rotating sleeve and the screw can accurately push the screw tube to press against the limiting block through the thread transmission, forming a double locking mechanism, thereby greatly reducing the risk of water leakage during long-term use and ensuring the safe operation of the electric water heater.

[0015] 2. The screw and screw tube inside the rotating sleeve of this utility model adopt a reverse thread design, which can synchronously drive two sets of limiting components to move in opposite directions during rotation, ensuring uniform locking force on the anti-electric wall tube at different positions. The matching structure of the top ring and the water pipe simplifies the assembly process. This design not only improves the sealing reliability, but also reduces maintenance costs and extends the service life of the components.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0018] Figure 1 This is a perspective view of a reinforcement device for the outlet pipe of an electric water heater with an anti-electric shock wall.

[0019] Figure 2 This is an exploded structural diagram of a reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall.

[0020] Figure 3 This is a top sectional view of the fixing ring in a reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall.

[0021] Figure 4 This is a cross-sectional view of a support pipe, fixing ring, and limiting sleeve in a reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall.

[0022] Figure 5 This is a schematic diagram showing the connection between the teeth and the limiting block in a reinforcement device for the anti-electric shock wall outlet pipe of an electric water heater.

[0023] In the attached diagram: 1. Cylinder; 2. Connecting seat; 3. Anti-electric shock wall tube; 4. Rotating sleeve; 5. Support tube; 6. Reinforcing nut; 7. Fixing ring; 8. Limiting sleeve; 9. Tooth; 10. Limiting block; 11. Screw; 12. Screw tube; 13. Slide rod; 14. Spring; 15. Connecting tube; 16. Water pipe; 17. Top ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example 1

[0026] Please see Figures 1-5This utility model relates to a reinforcement device for the anti-electric shock wall outlet pipe of an electric water heater, comprising a cylindrical body 1, a connecting seat 2 installed inside the cylindrical body 1, and an anti-electric shock wall pipe 3 threadedly connected to the bottom of the connecting seat 2; two sets of connecting seats 2 are installed inside the cylindrical body 1, and the two sets of connecting seats 2 are connected to two sets of anti-electric shock wall pipes 3, the two sets of anti-electric shock wall pipes 3 being a cold water inlet pipe and a hot water outlet pipe respectively; a reinforcement component is provided on the surface of the anti-electric shock wall pipe 3, the reinforcement component including a rotating sleeve 4 located at the bottom of the cylindrical body 1, a support pipe 5 movably connected inside the rotating sleeve 4, a reinforcement nut 6 installed on the surface of the anti-electric shock wall pipe 3, and a sleeve on the surface of the reinforcement nut 6. The fixing ring 7 has two sets, which are respectively fitted onto the surface of the cold water inlet pipe and the hot water outlet pipe, and are movably connected to the limiting sleeve 8 inside the fixing ring 7; the reinforcing nut 6 is hexagonal in shape, and the limiting sleeve 8 has an internal hexagonal groove that fits the reinforcing nut 6. The fixing ring 7 is provided with a limiting component inside, and the surface of the limiting sleeve 8 is movably connected to the inner wall of the fixing ring 7 through a bearing. The limiting component includes teeth 9 installed on the surface of the limiting sleeve 8 and a limiting block 10 set on one side of the teeth 9. The vertical surface of the teeth 9 contacts the vertical surface of the limiting block 10, and the limiting block 10 is used to prevent the teeth 9 from rotating in the opposite direction.

[0027] Example 2

[0028] Please see Figures 1-5 Based on embodiment 1, the limiting assembly further includes a screw 11 installed inside the rotating sleeve 4, and a threaded tube 12 threaded to the surface of the screw 11. The screw 11 and the threaded tube 12 are connected by threads. When the screw 11 rotates, the thread can be used to push the threaded tube 12 to move. The threads on both sides of the surface of the screw 11 are designed to be opposite, so that when the screw 11 rotates, it can drive the two sets of screws 11 to move relative to each other and in opposite directions. A slide rod 13 is fixedly connected to one side of the limiting block 10. The slide rod 13 is used to support the horizontal movement of the limiting block 10. One end of the slide rod 13 passes through the inside of the support tube 5, and the other end of the support tube 5 is fixedly connected to the fixing ring 7. A spring 14 is sleeved on the surface of the slide rod 13. Spring 14 provides elastic support for limiting block 10. One end of spring 14 is fixedly connected to the inner wall of fixing ring 7. Connecting pipe 15 is fixedly connected to the bottom of anti-electric wall tube 3. Water pipe 16 is threadedly connected to the surface of connecting pipe 15. Top ring 17 is provided at the top of water pipe 16. There are two sets of water pipe 16, which are connected to external water inlet pipe and water spray head respectively. After limiting sleeve 8 is fixed to the surface of reinforcing nut 6, top ring 17 can be inserted first and then water pipe 16 can be connected. Top ring 17 can prevent limiting sleeve 8 from moving downward. One end of screw tube 12 passes through the inside of fixing ring 7. Screw tube 12 is horizontally aligned with limiting block 10. Slider is fixedly connected to the bottom of screw tube 12. Slider is slidably connected to the inner wall of support tube 5.

[0029] The working principle of this utility model is as follows: The operator can manually move the anti-electric shock wall pipe 3, inserting two sets of cold water inlet pipes and hot water outlet pipes into the cylinder 1 respectively, and using the threaded connection, rotate and fix them. Then, the support pipe 5 is moved, and two sets of fixing rings 7 are fitted onto the surfaces of the two sets of cold water inlet pipes and hot water outlet pipes. Figure 1 As shown, the limiting sleeve 8 is manually rotated at the same time to align the internal hexagonal groove of the limiting sleeve 8 with the external hexagonal of the reinforcing nut 6. Then, the limiting sleeve 8 is pushed upward to lock the limiting sleeve 8 onto the surface of the reinforcing nut 6. This prevents the reinforcing nut 6 from rotating when it is loose, thus preventing leakage.

[0030] As the limiting sleeve 8 rotates, it drives the toothed teeth 9 to rotate. When the toothed teeth 9 rotate, they push the limiting block 10 and the spring 14. After the limiting sleeve 8 is engaged with the surface of the reinforcing nut 6, the rotating sleeve 4 can be manually rotated. The rotating sleeve 4, together with the screw 11, drives the screw tube 12 to move. After the screw tube 12 moves and inserts into the fixing ring 7, it can press against the limiting block 10. At this time, the toothed teeth 9 cannot rotate under the pressing action of the limiting block 10, which can complete the locking action of the inlet pipe and the drain pipe at the same time, improving the anti-loosening effect.

[0031] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A reinforcement device for the outlet pipe of an electric water heater with an anti-electric shock wall, comprising a cylinder (1), characterized in that: The cylinder (1) is equipped with a connecting seat (2), and the bottom of the connecting seat (2) is threadedly connected to an anti-electric wall pipe (3). The surface of the anti-electric wall tube (3) is provided with a reinforcement component, which includes a rotating sleeve (4) disposed at the bottom of the cylinder (1), a support tube (5) movably connected inside the rotating sleeve (4), a reinforcement nut (6) installed on the surface of the anti-electric wall tube (3), a fixing ring (7) sleeved on the surface of the reinforcement nut (6), and a limiting sleeve (8) movably connected inside the fixing ring (7). The fixing ring (7) is provided with a limiting component inside. The limiting component includes teeth (9) installed on the surface of the limiting sleeve (8) and a limiting block (10) disposed on one side of the teeth (9).

2. The reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall according to claim 1, characterized in that: The limiting assembly also includes a screw (11) installed inside the rotating sleeve (4) and a threaded tube (12) threaded to the surface of the screw (11).

3. The reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall according to claim 1, characterized in that: The limiting block (10) is fixedly connected to a sliding rod (13) on one side. One end of the sliding rod (13) passes through the inside of the support tube (5), and the other end of the support tube (5) is fixedly connected to the fixing ring (7).

4. The reinforcement device for the outlet pipe of an electric water heater with an anti-electric shock wall according to claim 3, characterized in that: A spring (14) is fitted on the surface of the slide rod (13), and one end of the spring (14) is fixedly connected to the inner wall of the fixing ring (7).

5. The reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall according to claim 1, characterized in that: The bottom of the anti-electric wall tube (3) is fixedly connected to a connecting pipe (15), and a water pipe (16) is threadedly connected to the surface of the connecting pipe (15). A top ring (17) is provided on the top of the water pipe (16).

6. The reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall according to claim 2, characterized in that: One end of the screw tube (12) extends into the interior of the fixing ring (7), and the screw tube (12) and the limiting block (10) are kept horizontally aligned.

7. The reinforcement device for the outlet pipe of an electric water heater's anti-electric shock wall according to claim 2, characterized in that: The bottom of the spiral tube (12) is fixedly connected to a slider, which is slidably connected to the inner wall of the support tube (5).