An electric steam generator

By employing a lifting electric push rod to drive the adjusting plug downwards and unlock the locking component in the electric steam generator, the problems of cumbersome disassembly of the electric heating component and safety risks in the prior art are solved, thus achieving convenient disassembly of the electric heating component and stable operation of the equipment.

CN122237010APending Publication Date: 2026-06-19SUZHOU ZHUOYING MECHANICAL & ELECTRICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUZHOU ZHUOYING MECHANICAL & ELECTRICAL TECH CO LTD
Filing Date
2026-04-28
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing electric steam generators require cumbersome procedures when disassembling the electric heating components, posing a safety risk of high-temperature liquid leakage. Furthermore, repeated water addition and state switching can easily lead to liquid level imbalance in the parallel cylinders, affecting the normal operation of the equipment.

Method used

It adopts a design of four parallel cylinders, each connected to the pure water input system. The adjusting plug is driven to move down by the lifting electric push rod, squeezing the liquid back to ensure that there is no residual liquid in the heating hood. It is unlocked by the locking component, and combined with the piston to adjust the stability of the liquid level and prevent abnormal liquid level.

Benefits of technology

It simplifies the disassembly process of the electric heating components, reduces safety risks, improves the convenience and safety of maintenance, and ensures the stability of equipment operation and liquid level balance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN122237010A_ABST
    Figure CN122237010A_ABST
Patent Text Reader

Abstract

This invention relates to the field of steam generator technology and discloses an electric steam generator comprising four parallel cylinders, each connected to a pure water input system. A heating shroud, communicating with the cylinder, is connected to the side wall of each cylinder. The invention utilizes a lifting electric push rod to drive an adjusting plug downwards. During this downward movement, the adjusting plug exerts downward pressure on the liquid inside the cylinder. Once the adjusting plug passes the heating shroud, the residual high-temperature liquid inside the shroud is no longer obstructed and flows upwards towards the adjusting plug. Simultaneously, the locking assembly unlocks, ensuring no high-temperature liquid remains inside the heating shroud, avoiding the safety risks caused by liquid leakage during disassembly of the electric heating components. This also allows for precise unlocking of the locking assembly, greatly improving the safety and convenience of maintenance. Simultaneously, the lifting electric push rod drives a piston downwards, and through the cooperation of the adjusting box and the piston, the liquid level in the other cylinders is adjusted and stabilized, preventing liquid backflow that could cause abnormal liquid levels in other cylinders.
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Description

Technical Field

[0001] This invention belongs to the field of steam generator technology, and more specifically, relates to an electric steam generator. Background Technology

[0002] Electric steam generators, as a commonly used steam-generating device, are widely used in various fields such as industrial production, medical treatment, and food processing. Their core working component is the electric heating element, which heats the liquid to produce steam that meets the required specifications. However, in the long-term use of existing electric steam generators, the electric heating element is prone to aging and malfunctions, requiring regular disassembly and maintenance to ensure the normal operation of the equipment.

[0003] In traditional electric steam generators, the electric heating element is usually installed directly in the heating chamber, which is connected to the inside of the cylinder. During operation, a large amount of high-temperature liquid remains in the chamber. Since most existing electric steam generators consist of multiple cylinders connected in parallel, when it is necessary to remove the electric heating element from one of the cylinders, the connection between the parallel cylinders must be manually switched to disconnect the cylinder under maintenance from the other cylinders. Then, the cylinder must be drained of water until all the liquid is drained before the electric heating element can be removed. After the disassembly and maintenance are completed, the cylinder must be refilled with water, and the connection must be switched again to restore the normal operation of the parallel cylinders. The entire operation process is extremely cumbersome, which not only greatly increases the workload of the operators and the maintenance time, but also poses a safety risk of high-temperature liquid leakage during the manual switching of connection, draining, and refilling of water. In addition, repeated water filling and switching of status can easily lead to an imbalance of liquid levels in the parallel cylinders, affecting the subsequent normal operation of the equipment.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is as follows: An electric steam generator includes four cylinders connected in parallel, each cylinder being connected to a pure water input system, and a heating cover communicating with the cylinder being connected to the side wall of each cylinder, wherein an electric heating component is located inside the heating cover. An adjusting plug is vertically inserted inside the cylinder, and an electric push rod for moving and lifting the adjusting plug is installed at the bottom of the cylinder. The adjusting plug has several pairs of gas flow ports. A sealing plug is also installed at the bottom of the cylinder. A baffle is installed on the side wall of the adjusting plug, and the baffle corresponds to the locking component installed on the heating cover. When the adjusting plug is driven to move down, the gas flow ports are inserted into the sealing plug. As the adjusting plug moves, it squeezes the liquid inside the corresponding cylinder back. When the adjusting plug passes the heating cover, the liquid inside the heating cover flows back to the top of the adjusting plug, ensuring that no liquid remains inside the heating cover, which is convenient for later disassembly. The locking component is unlocked at the same time. The bottom of each of the four cylinders is connected to an adjustment box. A piston is installed at the output end of the lifting electric push rod. When the lifting electric push rod drives the piston to retract, the internal volume of the adjustment box increases synchronously to prevent the liquid from retracting and causing the liquid level inside the other cylinders to rise.

[0006] In a preferred embodiment of the present invention, four cylinder sidewalls are equipped with brackets, the brackets are L-shaped, the bottoms of the four brackets are connected to bases, and the bottoms of the bases are equipped with platforms, the bottoms of the platforms are equipped with rubber anti-slip pads, and the bases are connected to the housing of the lifting electric push rod.

[0007] In a preferred embodiment of the present invention, a pair of fixed seats are installed on the base, and a liquid collecting pipe is installed through the inside of the pair of fixed seats. A liquid input pipe is installed at the center of the liquid collecting pipe and is connected to the pure water input system. Four liquid diversion inlet pipes are installed on the liquid collecting pipe, and a connecting pipe is installed at the end of each of the four liquid diversion inlet pipes. The connecting pipe is connected to the corresponding side wall of the cylinder.

[0008] In a preferred embodiment of the present invention, each of the four cylinders is equipped with a steam diversion output pipe at its top, and a steam-water separator is installed inside the steam diversion output pipe. A steam collecting pipe is installed at the center of the steam diversion output pipe. The steam collecting pipe is L-shaped and has a connecting flange installed at its end. The steam collecting pipe is used to connect with an external structure.

[0009] In a preferred embodiment of the present invention, a support frame is installed on the base, the bottom of the support frame is connected to the adjustment box, an adjustment pipe is installed on the side wall of the adjustment box, the end of the adjustment pipe is connected to the connecting pipe, and the cylinder, the connecting pipe, the adjustment pipe and the adjustment box are interconnected.

[0010] In a preferred embodiment of the present invention, a sliding sleeve is installed inside the regulating box. A notch is provided between the top of the sliding sleeve and the side wall of the regulating box, and the notch facilitates the flow of liquid. The inner side wall of the sliding sleeve is slidably connected to the piston. After the piston moves down, the volume of the sliding sleeve inside the regulating box increases, which facilitates the retention of liquid in the corresponding compressed cylinder. The lifting electric push rod moves through the regulating box.

[0011] In a preferred embodiment of the present invention, three gas flow ports are provided, and the number of gas flow ports is adapted to the number of sealing plugs. A gap is left between the sealing plug and the gas flow port at the initial position to facilitate the steam flow. The thickness of the adjusting plug is greater than the diameter of the heating cover. A vertical rod is installed at the bottom of the sealing plug, and the bottom of the vertical rod is installed on the side wall of the cylinder.

[0012] In a preferred embodiment of the present invention, the surface of the heating cover is provided with an inclined surface, and the height of the end of the heating cover near the side wall of the cylinder is lower than the height of the other end, so as to ensure that the liquid inside the heating cover flows back to the regulating plug. The top of the regulating plug is provided with a guide surface, and when the regulating plug is reset, the remaining liquid is guided to flow back to the inside of the heating cover through the guide surface.

[0013] In a preferred embodiment of the present invention, the locking assembly includes a locking plate, which is installed at the end of the electric heating assembly. A fixing plate is installed on the heating cover, and a locking block is inserted inside the fixing plate. The end of the locking block is engaged in a slot opened in the side wall of the locking plate, and the slot and the locking block are inclined. The locking block is used to limit the horizontal sliding of the electric heating assembly. A push rod is installed at the end of the locking block, and the end of the push rod is in contact with the side wall of the baffle.

[0014] In a preferred embodiment of the present invention, the fixing plate has an installation groove inside, the top rod and the locking block are movably inserted into the installation groove, a push plate is installed at the connection between the top rod and the locking block, and the push plate is slidably disposed in the installation groove. A compression spring is sleeved on the outer wall of the top rod located inside the installation groove. One end of the compression spring is locked onto the installation groove, and the other end of the compression spring is locked onto the side wall of the push plate. The compression spring is used to drive the top rod to always have a force to slide towards the baffle.

[0015] Compared with the prior art, the present invention has the following advantages: This invention uses a lifting electric push rod to drive the adjusting plug downwards. During the downward movement of the adjusting plug, it exerts downward pressure on the liquid inside the cylinder. When the adjusting plug passes the heating hood, the residual high-temperature liquid inside the heating hood is no longer obstructed and flows upwards towards the adjusting plug. At the same time, the locking component unlocks simultaneously. This ensures that no high-temperature liquid remains inside the heating hood, avoiding the safety risks caused by liquid leakage when disassembling the electric heating component. It also achieves precise unlocking of the locking component, greatly improving the safety and convenience of maintenance. Simultaneously, the lifting electric push rod drives the piston to move downwards in sync. Through the cooperation of the adjusting box and the piston, the liquid level of other cylinders can be adjusted and stabilized, preventing liquid backflow that could cause abnormal liquid levels in other cylinders.

[0016] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0017] In the attached diagram: Figure 1 A three-dimensional diagram of an electric steam generator; Figure 2 A front view of an electric steam generator; Figure 3 This is a partial view of an electric steam generator; Figure 4 A cross-sectional view of the cylinder of an electric steam generator. Figure 1 ; Figure 5 An electric steam generator Figure 4 Enlarged view of point A in the middle; Figure 6 A cross-sectional view of the cylinder of an electric steam generator. Figure 2 ; Figure 7 An electric steam generator Figure 4 Floor plan.

[0018] In the diagram: 1. Cylinder; 2. Support; 3. Base; 4. Platform; 5. Connecting pipe; 6. Liquid diversion inlet pipe; 7. Liquid collection pipe; 8. Liquid input pipe; 9. Fixed seat; 10. Steam diversion outlet pipe; 11. Steam collection pipe; 12. Heating cover; 13. Electric heating component; 14. Inclined surface; 15. Adjusting plug; 16. Lifting electric push rod; 17. Guide surface; 18. Gas flow port; 19. Sealing plug; 20. Upright rod; 21. Baffle; 22. Fixing plate; 23. Clamping plate; 24. Clamping groove; 25. Clamping block; 26. Top rod; 27. Push plate; 28. Compression spring; 29. ​​Mounting groove; 30. Adjusting box; 31. Support frame; 32. Adjusting pipe; 33. Sliding sleeve; 34. Notch; 35. Piston. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention. Example 1:

[0020] like Figures 1 to 7 As shown, an electric steam generator includes four parallel cylinders 1, each cylinder 1 being connected to a pure water input system. A heating cover 12, which is connected to the side wall of the cylinder 1 and communicates with the cylinder 1, is provided with an electric heating component 13 inside the heating cover 12. An adjusting plug 15 is vertically inserted inside the cylinder 1, and an electric push rod 16 for driving the adjusting plug 15 to move and lift is also installed at the bottom of the cylinder 1. Several pairs of gas flow ports 18 are opened on the adjusting plug 15, and a sealing plug 19 is also installed at the bottom of the cylinder 1. A baffle 21 is also installed on the side wall of the adjusting plug 15, and the baffle 21 is mutually with the locking component installed on the heating cover 12. When the adjusting plug 15 is driven to move down, the gas flow ports 18 are inserted into the sealing plug 19, and as the adjusting plug 15 moves, it squeezes the liquid inside the corresponding cylinder 1 back. When the adjusting plug 15 passes the heating cover 12, the liquid inside the heating cover 12 flows back to the top of the adjusting plug 15, ensuring that no liquid remains inside the heating cover 12, which is convenient for later disassembly, and the locking component is unlocked at the same time. The bottom of the four cylinders 1 is connected to an adjustment box 30. A piston 35 is installed at the output end of the lifting electric push rod 16. When the lifting electric push rod 16 drives the piston 35 to retract, the internal volume of the adjustment box 30 increases synchronously to prevent the liquid from retracting and causing the liquid level inside the other cylinders 1 to rise.

[0021] like Figures 1 to 7 As shown, in a specific embodiment, four cylinders 1 are fitted with L-shaped brackets 2 on their side walls. The bottoms of the four brackets 2 are connected to bases 3, and bases 4 are mounted on the bottom of the bases 3. Rubber anti-slip pads are installed on the bottom of the bases 4. The bases 3 are connected to the housing of the lifting electric push rod 16. The L-shaped brackets 2 provide stable support for the cylinders 1. The bases 3, bases 4, and rubber anti-slip pads improve the overall stability of the equipment, preventing it from shifting during operation. Simultaneously, the bases 3 fix the lifting electric push rod 16, ensuring its driving stability.

[0022] like Figures 1 to 7As shown, further, a pair of fixed seats 9 are installed on the base 3. A liquid collecting pipe 7 is installed through the inside of the pair of fixed seats 9. A liquid input pipe 8 is installed at the center of the liquid collecting pipe 7 and is connected to the pure water input system. Four liquid diversion inlet pipes 6 are installed on the liquid collecting pipe 7. A connecting pipe 5 is installed at the end of each of the four liquid diversion inlet pipes 6. The connecting pipe 5 is connected to the side wall of the corresponding cylinder 1. A steam diversion outlet pipe 10 is installed at the top of each of the four cylinders 1. A steam-water separator is installed inside the steam diversion outlet pipe 10. A steam collecting pipe 11 is installed at the center of the steam diversion outlet pipe 10. The steam collecting pipe 11 is L-shaped and a connecting flange is installed at the end of the steam collecting pipe 11. The steam collecting pipe 11 is used to connect to the external structure. Through the cooperation of liquid inlet pipe 8, liquid collection pipe 7, liquid diversion inlet pipe 6, and connecting pipe 5, the four cylinders 1 can be supplied with water synchronously and evenly. Through the cooperation of steam diversion outlet pipe 10 and steam collection pipe 11, the centralized transportation of steam can be achieved. The steam-water separator can ensure the dryness of the output steam, and the connecting flange facilitates the docking of the equipment with external structures, improving the practicality of the equipment. Example 2:

[0023] The difference between the above embodiments and this embodiment is that: Figures 1 to 7 As shown, a support frame 31 is installed on the base 3. The bottom of the support frame 31 is connected to the regulating box 30. A regulating pipe 32 is installed on the side wall of the regulating box 30. The end of the regulating pipe 32 is connected to the connecting pipe 5. The cylinder 1, the connecting pipe 5, the regulating pipe 32, and the regulating box 30 are interconnected. The support frame 31 provides stable support for the regulating box 30, and the regulating pipe 32 enables communication between the regulating box 30, the connecting pipe 5, and the cylinder 1, ensuring that the liquid can flow smoothly back to the regulating box 30 and guaranteeing the stable realization of the liquid level balance function.

[0024] like Figures 1 to 7 As shown, in a specific embodiment, a sliding sleeve 33 is installed inside the regulating tank 30. A notch 34 is provided between the top of the sliding sleeve 33 and the side wall of the regulating tank 30, and the notch 34 facilitates the flow of liquid. The inner side wall of the sliding sleeve 33 is slidably connected to the piston 35. After the piston 35 moves down, the volume of the sliding sleeve 33 inside the regulating tank 30 increases, which facilitates the retention of liquid in the corresponding compressed cylinder 1. The lifting electric push rod 16 moves through the regulating tank 30. The cooperation of the sliding sleeve 33, the notch 34 and the piston 35 can improve the stability of the piston 35 sliding. The notch 34 facilitates the flow of liquid, and the change in the volume of the sliding sleeve 33 can effectively retain the backflowing liquid, further ensuring the stability of the liquid level in each cylinder 1 and avoiding abnormal liquid level. Example 3:

[0025] The difference between the above embodiments and this embodiment is that: Figures 1 to 7As shown, three gas flow ports 18 are provided, and the number of gas flow ports 18 is matched with the number of sealing plugs 19. A gap is left between the sealing plugs 19 and the gas flow ports 18 in the initial position to facilitate the outflow of steam. The thickness of the regulating plug 15 is greater than the diameter of the heating cover 12. A vertical rod 20 is installed at the bottom of the sealing plug 19, and the bottom of the vertical rod 20 is installed on the side wall of the cylinder 1. An inclined surface 14 is provided on the surface of the heating cover 12. The height of the end of the heating cover 12 near the side wall of the cylinder 1 is lower than the height of the other end, so as to ensure that the liquid inside the heating cover 12 flows back to the regulating plug 15. A guide surface 17 is provided on the top of the regulating plug 15. When the regulating plug 15 is reset, the remaining liquid is guided back to the inside of the heating cover 12 through the guide surface 17. The matching arrangement of the three gas flow ports 18 and the sealing plugs 19 ensures smooth steam flow and good sealing effect. The upright rod 20 can fix the sealing plugs 19. The inclined surface 14 of the heating cover 12 can promote the return of internal liquid. The guide surface 17 of the adjusting plug 15 can guide the liquid back to the heating cover 12, ensuring that the equipment can work normally when restarted.

[0026] like Figures 1 to 7 As shown, in a specific embodiment, the locking assembly includes a locking plate 23, which is installed at the end of the electric heating assembly 13. A fixing plate 22 is installed on the heating cover 12, and a locking block 25 is inserted inside the fixing plate 22. The end of the locking block 25 is engaged in a slot 24 opened in the side wall of the locking plate 23, and the slot 24 and the locking block 25 are inclined. The locking block 25 is used to limit the horizontal sliding of the electric heating assembly 13. A push rod 26 is installed at the end of the locking block 25, and the end of the push rod 26 is in contact with the side wall of the baffle 21. The above structure can provide a stable horizontal limiting effect for the electric heating assembly 13, preventing it from sliding during operation. The inclined slot 24 and the locking block 25 can improve the limiting stability. At the same time, the contact between the push rod 26 and the baffle 21 can realize the synchronous unlocking of the locking assembly, improving the convenience of disassembly.

[0027] like Figures 1 to 7 As shown, the fixing plate 22 further includes an installation groove 29. The push rod 26 and the locking block 25 are movably inserted into the installation groove 29. A push plate 27 is installed at the connection between the push rod 26 and the locking block 25, and the push plate 27 is slidably disposed in the installation groove 29. A compression spring 28 is sleeved on the outer wall of the push rod 26 located inside the installation groove 29. One end of the compression spring 28 is locked onto the installation groove 29, and the other end is locked onto the side wall of the push plate 27. The compression spring 28 is used to drive the push rod 26 to always have a force to slide towards the baffle 21. The installation groove 29 provides installation and sliding space for the push rod 26, the locking block 25, and the push plate 27. The cooperation between the push plate 27 and the compression spring 28 can realize the automatic reset of the push rod 26 and the locking block 25, ensuring the stable and reliable locking and unlocking function of the locking assembly, and ensuring the limiting stability and disassembly convenience of the electric heating assembly 13.

[0028] The implementation principle of the electric steam generator of the present invention is as follows: When the electric steam generator is working, the pure water input system delivers pure water to the liquid collection pipe 7 through the liquid input pipe 8. The liquid collection pipe 7 then delivers the pure water to the four parallel cylinders 1 through four liquid diversion inlet pipes 6 and connecting pipes 5, so as to realize the synchronous water supply of the four cylinders 1. The L-shaped bracket 2 on the base 3 provides stable support for the cylinder 1, and the rubber anti-slip pad at the bottom of the base 4 further improves the placement stability of the entire device and ensures that the device does not shift during operation. After the water supply is completed, the electric heating component 13 inside the heating cover 12 is activated to heat the pure water inside the cylinder 1. The steam generated by heating is discharged through the gas flow port 18 opened on the regulating plug 15. In the initial state, there is a gap between the sealing plug 19 and the gas flow port 18 to ensure that the steam flows out smoothly. The steam flows out and is collected into the steam collection pipe 11 through the steam diversion output pipe 10 at the top of the cylinder 1. The steam-water separator (not shown in the figure) inside the steam diversion output pipe 10 can separate the steam and water to ensure the dryness of the output steam. Finally, it is connected to the external structure through the connecting flange at the end of the steam collection pipe 11 to complete the steam transportation.

[0029] During normal operation of the equipment, the adjusting plug 15 is in the initial upper position. The baffle 21 and the locking component on the heating cover 12 cooperate with each other. The locking block 25 in the locking component is locked in the slot 24 of the locking plate 23 under the elastic force of the compression spring 28, which plays a horizontal limiting role for the electric heating component 13, preventing the electric heating component 13 from sliding during operation and ensuring the stability of the heating process. When the equipment needs to be repaired or the electric heating component 13 is disassembled, the core issue to be addressed is the problem of residual high-temperature liquid in the electric heating component compartment (i.e., heating cover 12) and the danger caused by the liquid flowing out during disassembly. At this time, the lifting electric push rod 16 at the bottom of the cylinder 1 is activated. The lifting electric push rod 16 drives the adjusting plug 15 to move vertically downward. As the adjusting plug 15 moves downward, the baffle 21 on its side wall moves downward synchronously. As the adjusting plug 15 continues to move downward, the baffle 21 gradually separates from the top rod 26. After the baffle 21 is no longer pressed, the compression spring 28 returns to its original shape and pushes the push plate 27 to slide in the mounting groove 29 of the fixed plate 22. The push plate 27 drives the top rod 26 to reset, and at the same time, it drives the locking block 25 to disengage from the slot 24 of the locking plate 23, realizing the synchronous unlocking of the locking component and providing conditions for the disassembly of the electric heating component 13.

[0030] As the regulating plug 15 continues to move downward, its gas flow port 18 gradually connects to the sealing plug 19, thus sealing the gas flow port 18. At the same time, as the regulating plug 15 moves downward, it squeezes the liquid inside the cylinder 1, causing the liquid to flow back. When the regulating plug 15 passes the heating cover 12, the liquid inside the heating cover 12 is no longer obstructed and will flow back into the cylinder 1 above the regulating plug 15, thereby ensuring that no high-temperature liquid remains inside the heating cover 12. This completely avoids the safety hazards caused by liquid leakage when disassembling the electric heating component 13, and facilitates the disassembly and maintenance of the electric heating component 13 in the future. At the same time, the piston 35 installed at the output end of the lifting electric push rod 16 moves down synchronously. The piston 35 slides in the sliding sleeve 33 inside the regulating box 30. The notch 34 between the top of the sliding sleeve 33 and the side wall of the regulating box 30 facilitates liquid flow. After the piston 35 moves down, the internal volume of the sliding sleeve 33 connected to the regulating box 30 increases, which can retain the liquid that is compressed and flows back from the cylinder 1, prevent the liquid from shrinking back and causing the liquid level inside other cylinders 1 to rise, ensure the stability of the liquid level inside each cylinder 1, and avoid the abnormal liquid level affecting the subsequent normal operation of the equipment.

[0031] After maintenance, the lifting electric push rod 16 drives the adjusting plug 15 to reset and rise. The guide surface 17 on the top of the adjusting plug 15 can guide the liquid remaining above the adjusting plug 15, causing the liquid to flow back into the heating cover 12, which facilitates the restart of the equipment. At the same time, the baffle 21 rises with the adjusting plug 15 and no longer squeezes the top rod 26. The compression spring 28 returns to its original shape and pushes the push plate 27, the top rod 26 and the locking block 25 to reset. The locking block 25 is re-engaged in the slot 24 of the locking plate 23, and the locking assembly locks again, limiting the electric heating assembly 13.

[0032] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An electric steam generator comprising four parallel cylindrical bodies (1), characterized in that: Each cylinder (1) is connected to a pure water input system. A heating cover (12) is connected to the side wall of the cylinder (1) and communicates with the cylinder (1). An electric heating component (13) is installed inside the heating cover (12). An adjusting plug (15) is vertically inserted inside the cylinder (1), and an electric push rod (16) for driving the adjusting plug (15) to move and lift is also installed at the bottom of the cylinder (1). Several pairs of gas flow ports (18) are opened on the adjusting plug (15). A sealing plug (19) is also installed at the bottom of the cylinder (1). A baffle (21) is also installed on the side wall of the adjusting plug (15). The baffle (21) and the locking component installed on the heating cover (12) are mutually related. After the adjusting plug (15) is driven to move down, the gas flow port (18) is inserted into the sealing plug (19). As the adjusting plug (15) moves, it squeezes the liquid inside the corresponding cylinder (1) back. When the adjusting plug (15) passes the heating cover (12), the liquid inside the heating cover (12) flows back to the top of the adjusting plug (15), ensuring that no liquid remains inside the heating cover (12), which is convenient for later disassembly. The locking component is unlocked at the same time. The bottom of the four cylinders (1) is connected to an adjustment box (30). A piston (35) is installed at the output end of the lifting electric push rod (16). When the lifting electric push rod (16) drives the piston (35) to retract, the internal volume of the adjustment box (30) increases synchronously to prevent the liquid from retracting and causing the liquid level inside the other cylinders (1) to rise.

2. The electric steam generator according to claim 1, characterized in that, The four cylinders (1) are equipped with brackets (2) on their side walls. The brackets (2) are L-shaped. The bottom of the four brackets (2) is connected to a base (3). The base (3) is equipped with a platform (4) at its bottom. The platform (4) is equipped with a rubber anti-slip pad. The base (3) is connected to the outer shell of the lifting electric push rod (16).

3. An electric steam generator according to claim 2, characterized in that, A pair of fixed seats (9) are installed on the base (3). A liquid collection pipe (7) is installed through the inside of the pair of fixed seats (9). A liquid input pipe (8) is installed at the center of the liquid collection pipe (7), and the liquid input pipe (8) is connected to the pure water input system. Four liquid diversion inlet pipes (6) are installed on the liquid collection pipe (7). A connecting pipe (5) is installed at the end of each of the four liquid diversion inlet pipes (6). The connecting pipe (5) is connected to the side wall of the corresponding cylinder (1).

4. An electric steam generator according to claim 1, characterized in that, The top of each of the four cylinders (1) is equipped with a steam diversion output pipe (10), and a steam-water separator is installed inside the steam diversion output pipe (10). A steam collection pipe (11) is installed at the center of the steam diversion output pipe (10). The steam collection pipe (11) is L-shaped, and a connecting flange is installed at the end of the steam collection pipe (11). The steam collection pipe (11) is used to connect with the external structure.

5. An electric steam generator according to claim 3, characterized in that, A support frame (31) is installed on the base (3). The bottom of the support frame (31) is connected to the regulating box (30). An regulating pipe (32) is installed on the side wall of the regulating box (30). The end of the regulating pipe (32) is connected to the connecting pipe (5). The cylinder (1), the connecting pipe (5), the regulating pipe (32) and the regulating box (30) are interconnected.

6. An electric steam generator according to claim 1, characterized in that, The regulating box (30) is equipped with a sliding sleeve (33). A notch (34) is provided between the top of the sliding sleeve (33) and the side wall of the regulating box (30), and the notch (34) facilitates the flow of liquid. The inner side wall of the sliding sleeve (33) is slidably connected to the piston (35). After the piston (35) moves down, the volume of the sliding sleeve (33) inside the regulating box (30) increases, which facilitates the retention of liquid in the corresponding compressed cylinder (1). The lifting electric push rod (16) is movably connected to the regulating box (30).

7. An electric steam generator according to claim 1, characterized in that, Three gas flow ports (18) are provided, and the number of gas flow ports (18) is matched with the number of sealing plugs (19). A gap is left between the sealing plugs (19) and the gas flow ports (18) at the initial position to facilitate the steam flow. The thickness of the regulating plug (15) is greater than the diameter of the heating cover (12). A vertical rod (20) is installed at the bottom of the sealing plug (19), and the bottom of the vertical rod (20) is installed on the side wall of the cylinder (1).

8. An electric steam generator according to claim 1, characterized in that, The heating cover (12) has a sloping surface (14) on its surface. The end of the heating cover (12) near the side wall of the cylinder (1) is lower than the other end. This is to ensure that the liquid inside the heating cover (12) flows back to the regulating plug (15). The top of the regulating plug (15) has a guide surface (17). When the regulating plug (15) is reset, the remaining liquid is guided back to the heating cover (12) through the guide surface (17).

9. An electric steam generator according to claim 1, characterized in that, The locking assembly includes a locking plate (23), which is installed at the end of the electric heating assembly (13). A fixing plate (22) is installed on the heating cover (12). A locking block (25) is inserted inside the fixing plate (22). The end of the locking block (25) is engaged in a slot (24) opened on the side wall of the locking plate (23), and the slot (24) and the locking block (25) are inclined. The locking block (25) is used to limit the horizontal sliding of the electric heating assembly (13). A push rod (26) is installed at the end of the locking block (25), and the end of the push rod (26) is in contact with the side wall of the baffle (21).

10. An electric steam generator according to claim 9, characterized in that, The fixing plate (22) has an installation groove (29) inside. The top rod (26) and the locking block (25) are movably connected to the installation groove (29). A push plate (27) is installed at the connection between the top rod (26) and the locking block (25), and the push plate (27) is slidably disposed in the installation groove (29). A compression spring (28) is sleeved on the outer wall of the top rod (26) located inside the installation groove (29). One end of the compression spring (28) is locked on the installation groove (29), and the other end of the compression spring (28) is locked on the side wall of the push plate (27). The compression spring (28) is used to drive the top rod (26) to always have a force to slide towards the baffle (21).