Metal die-casting heater
By incorporating an "M"-shaped liquid pipeline and an "I"-shaped heating tube structure into a metal die-casting heater, and combining this with a drive motor to adjust the liquid flow rate, the problems of insufficient liquid flow and slow heat conduction are solved, thereby improving thermal efficiency and extending the heater's service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN BAODI ELECTRICAL TECH CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-05-08
AI Technical Summary
Existing metal die-casting heaters suffer from insufficient liquid flow, slow heat conduction, and low thermal efficiency during the heating process, and their lifespan is easily shortened under prolonged high-temperature environments.
The liquid pipeline is arranged in an "M" shape inside the upper end cover, lower end cover and metal die-cast housing. The heating tube is arranged in an "I" shape and is arranged at a 90° angle with the liquid pipeline. The liquid flow rate is adjusted by a drive motor and worm gear system.
It improves the heat transfer area and thermal efficiency, extends the service life of the heating element, and ensures the heater's ease of use and effective liquid heating.
Smart Images

Figure CN224215575U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal die-casting heater technology, specifically a metal die-casting heater. Background Technology
[0002] Existing die-cast liquid electric heaters mainly consist of an electric heating element, a metal liquid flow pipe, and a die-cast body. The main problems are insufficient liquid flow, slow heat conduction, and low thermal efficiency during the heating process. The main reason is that the existing liquid pipes are made of metal pipes, which require multiple 180-degree bends to form the shape before the electric heating element is fitted and die-cast as a whole. Due to the limited diameter of the liquid pipe itself, and the bending during the manufacturing process, the flow rate of the heated liquid is greatly affected.
[0003] Most metal die-cast heaters are inconvenient to use because conventional metal die-cast heaters have insufficient heat conduction area and internal "M"-shaped heating tubes, which generate high temperatures during heating. Prolonged high-temperature environments can shorten their lifespan. Utility Model Content
[0004] The purpose of this utility model is to provide a metal die-casting heater to solve the problem of the inconvenience of using metal die-casting heaters mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a metal die-casting heater, comprising an upper end cover, a lower end cover, a metal die-casting shell, supports, an inlet pipe, and an outlet pipe. The lower end cover is located at one end of the upper end cover, and the metal die-casting shell is located between the lower end cover and the upper end cover. Supports are provided at both ends of the metal die-casting shell, and the supports are symmetrically distributed at both ends of the metal die-casting shell. An inlet pipe is located at the end of the metal die-casting shell near the support, and an outlet pipe is located on the side of the metal die-casting shell near the inlet pipe. Casting liquid pipelines are provided inside the upper end cover, the lower end cover, and the metal die-casting shell.
[0006] Preferably, both the lower end cap and the top of the die-cast metal housing are provided with sealing rings, and a heating tube runs through the interior of the die-cast metal housing, with the heating tubes symmetrically distributed inside the die-cast metal housing.
[0007] Preferably, both ends of the heating tube are provided with connecting rods.
[0008] Preferably, one end of the inlet pipe is provided with an adjusting pipe, and the top end of the adjusting pipe is provided with a fixing frame.
[0009] Preferably, a drive motor is installed on one side of the fixed frame, and a worm gear is connected to the output end of the drive motor.
[0010] Preferably, the fixed frame is provided with a worm wheel connected to the worm gear inside, and one end of the worm wheel is provided with a rotating rod connected to the fixed frame through a bearing. The bottom end of the rotating rod is connected to an adjustment plate.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. This metal die-casting heater, when in use, can be constructed by arranging the casting liquid pipeline in an "M" shape inside the upper end cover, lower end cover, and metal die-casting shell, and combining the heating tubes in an "I" shape as an integrated structure, with each group consisting of four tubes. This allows the heating tubes to be evenly laid inside the metal die-casting shell, thereby increasing the heat conduction area. At the same time, the heating tubes and casting liquid pipeline are placed at a 90° angle. Through improvements to the flow channel and heating tubes, the internal temperature of the heating tubes during operation is reduced, thereby improving the thermal efficiency of the metal die-casting heater and extending the service life of the heating tubes, making the metal die-casting heater more convenient to use.
[0013] 2. When the metal die-casting heater is in use, the drive motor can be started to rotate the worm gear connected to the output end. The rotation of the worm gear will then rotate the worm wheel connected to one side, which in turn will rotate the rotating rod connected to it. The rotating rod will then rotate the control plate connected to it. By adjusting the control plate, the flow rate of the liquid inside the inlet pipe can be controlled, preventing the liquid from flowing too fast in the casting liquid pipeline and failing to heat it in time. With the speed adjusted, a better heating effect can be achieved. Attached Figure Description
[0014] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;
[0015] Figure 2 This is a three-dimensional structural diagram of the present invention viewed from below;
[0016] Figure 3 This is an exploded view of the present invention;
[0017] Figure 4 This is a three-dimensional cross-sectional view of the liquid inlet pipe of this utility model;
[0018] Figure 5 This is a three-dimensional cross-sectional view of the fixing frame of this utility model.
[0019] In the diagram: 1. Upper end cover; 2. Lower end cover; 3. Die-cast metal shell; 4. Support; 5. Inlet pipe; 6. Outlet pipe; 7. Casting liquid pipeline; 8. Sealing ring; 9. Heating tube; 10. Connecting rod; 11. Adjusting pipe; 12. Fixing frame; 13. Drive motor; 14. Worm gear; 15. Worm wheel; 16. Rotating rod; 17. Control plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1-5 This utility model provides a technical solution: a metal die-casting heater, including an upper end cover 1, a lower end cover 2, a metal die-casting shell 3, a support 4, an inlet pipe 5, and an outlet pipe 6. The lower end cover 2 is provided at one end of the upper end cover 1, and the metal die-casting shell 3 is provided between the lower end cover 2 and the upper end cover 1. Supports 4 are provided at both ends of the metal die-casting shell 3, and the supports 4 are symmetrically distributed at both ends of the metal die-casting shell 3. The inlet pipe 5 is provided at the end of the metal die-casting shell 3 near the support 4, and the outlet pipe 6 is provided on the side of the metal die-casting shell 3 near the inlet pipe 5. Casting liquid pipelines 7 are opened inside the upper end cover 1, the lower end cover 2, and the metal die-casting shell 3.
[0022] In this metal die-casting heater, the shape of the casting liquid pipeline 7 is set as "M" so that the incoming liquid can be effectively heated.
[0023] exist Figure 1 , Figure 2 and Figure 3 In the middle, the lower end cover 2 and the top of the metal die-cast housing 3 are both provided with sealing rings 8. The interior of the metal die-cast housing 3 is permeated with heating tubes 9, and the heating tubes 9 are symmetrically distributed inside the metal die-cast housing 3. Both ends of the heating tubes 9 are provided with connecting rods 10.
[0024] This type of metal die-casting heater increases the heat conduction area by uniformly arranged heating tubes 9 in an "I" shape, making the metal die-casting heater more convenient to use.
[0025] When the metal die-casting heater is in use, the casting liquid pipeline 7 can be arranged in an "M" shape inside the upper end cover 1, lower end cover 2 and metal die-casting shell 3, and the heating tubes 9 can be combined in an "I" shape as an integrated structure, with four tubes in each group. This allows the heating tubes 9 to be evenly laid inside the metal die-casting shell 3, thereby increasing the heat conduction area. At the same time, the heating tubes 9 and the casting liquid pipeline 7 are placed at a 90° angle. Through the improvement of the flow channel and the heating tubes 9, the internal temperature of the heating tubes 9 during operation is reduced, thereby improving the thermal efficiency of the metal die-casting heater and extending the service life of the heating tubes 9, making the metal die-casting heater more convenient to use.
[0026] exist Figure 3 and Figure 4 In the middle, an adjusting pipe 11 is provided at one end of the liquid inlet pipe 5, a fixing frame 12 is provided at the top of the adjusting pipe 11, a drive motor 13 is installed on one side of the fixing frame 12, and a worm gear 14 is connected to the output end of the drive motor 13.
[0027] In this type of die-cast metal heater, the drive motor 13 is configured to provide a drive source for the worm gear 14.
[0028] exist Figure 3 and Figure 4 Inside the fixed frame 12, there is a worm wheel 15 connected to the worm gear 14. One end of the worm wheel 15 is connected to a rotating rod 16 connected to the fixed frame 12 via a bearing. The bottom end of the rotating rod 16 is connected to an adjustment plate 17.
[0029] This type of die-cast metal heater has a control plate 17 disposed inside the regulating tube 11, which allows for the adjustment of the internal liquid velocity.
[0030] When the metal die-casting heater is in use, the drive motor 13 can be started, causing the drive motor 13 to rotate the worm gear 14 connected to the output end. When the worm gear 14 rotates, it can rotate the worm wheel 15 connected to one side. When the worm wheel 15 rotates, it can rotate the connected rotating rod 16. When the rotating rod 16 rotates, it can rotate the connected control plate 17. By adjusting the control plate 17, the flow rate of the liquid inside the liquid inlet pipe 5 can be controlled, avoiding the liquid from flowing too fast inside the casting liquid pipe 7, which would prevent timely heating. With the adjustment of the rate, a better heating effect can be achieved.
[0031] In summary, existing die-cast liquid electric heaters mainly consist of an electric heating element, a liquid metal pipe, and a die-cast body. The main problems are insufficient liquid flow, slow heat conduction, and low thermal efficiency during heating. By arranging the casting liquid pipes 7 in an "M" shape within the upper end cap 1, lower end cap 2, and die-cast metal shell 3, and combining the heating tubes 9 in an "I" shape (four tubes per group), the heating tubes 9 can be evenly distributed within the die-cast metal shell 3, increasing the heat conduction area. Furthermore, the heating tubes 9 are placed at a 90° angle to the casting liquid pipes 7. This improvement in the flow channel and heating tubes 9 reduces the internal temperature of the heating tubes 9 during operation, thereby increasing the thermal efficiency of the die-cast metal heater and extending the service life of the heating tubes 9. This makes the die-cast metal heater more convenient to use. Content not described in detail in this specification is prior art known to those skilled in the art.
[0032] 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. A metal die-casting heater, comprising an upper end cover (1), a lower end cover (2), a metal die-casting shell (3), a support (4), an inlet pipe (5), and an outlet pipe (6), characterized in that: The upper end cover (1) is provided with a lower end cover (2) at one end. A metal die-casting shell (3) is provided between the lower end cover (2) and the upper end cover (1). Both ends of the metal die-casting shell (3) are provided with supports (4), and the supports (4) are symmetrically distributed at both ends of the metal die-casting shell (3). A liquid inlet pipe (5) is provided at the end of the metal die-casting shell (3) near the support (4). A liquid outlet pipe (6) is provided on the side of the metal die-casting shell (3) near the liquid inlet pipe (5). Casting liquid pipelines (7) are opened inside the upper end cover (1), the lower end cover (2) and the metal die-casting shell (3).
2. The metal die-casting heater according to claim 1, characterized in that: Both the lower end cap (2) and the top of the metal die-cast housing (3) are provided with sealing rings (8). A heating tube (9) runs through the inside of the metal die-cast housing (3), and the heating tubes (9) are symmetrically distributed inside the metal die-cast housing (3).
3. A metal die-casting heater according to claim 2, characterized in that: Both ends of the heating tube (9) are provided with connecting rods (10).
4. A metal die-casting heater according to claim 1, characterized in that: One end of the liquid inlet pipe (5) is provided with an adjusting pipe (11), and the top end of the adjusting pipe (11) is provided with a fixing frame (12).
5. A metal die-casting heater according to claim 4, characterized in that: A drive motor (13) is installed on one side of the fixed frame (12), and a worm gear (14) is connected to the output end of the drive motor (13).
6. A metal die-casting heater according to claim 5, characterized in that: The fixed frame (12) is provided with a worm wheel (15) connected to the worm (14). One end of the worm wheel (15) is provided with a rotating rod (16) connected to the fixed frame (12) through a bearing. The bottom end of the rotating rod (16) is connected to an adjustment plate (17).