Bidirectional heat exchange cast aluminum type electric heater
By designing the shell connection structure of the bidirectional heat exchange cast aluminum electric heater, and utilizing the elastic force of springs to achieve quick installation and disassembly, the problem of existing cast aluminum heaters requiring tools for operation is solved, thus realizing convenient installation and disassembly.
Patent Information
- Application Number
- CN202423300359.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing cast aluminum heaters require tools for installation and disassembly, making the operation cumbersome and inconvenient, especially when tools are unavailable.
A bidirectional heat exchange cast aluminum electric heater was designed, which adopts a first shell and a second shell connection structure. Through the combination of vertical plate, fixed plate, clamping rod, pull plate and spring, quick installation and disassembly can be achieved. The spring force is used to realize the insertion and fixation of clamping rod and vertical rod.
It simplifies the installation and disassembly process, is easy to operate, saves time, and is convenient to use without tools.
Smart Images

Figure CN223714185U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heater technology, specifically a bidirectional heat exchange cast aluminum electric heater. Background Technology
[0002] With social development and industrial technology advancements, bidirectional heat exchange cast aluminum electric heaters, which use tubular heating elements as the heating body and high-quality cast materials as the outer shell through die casting, are widely used in equipment in plastic machinery, die heads, cable machinery, chemical, rubber, and petroleum industries. These heaters are characterized by long lifespan, good heat insulation, strong mechanical properties, corrosion resistance, and magnetic field resistance. Their operating temperature is generally between 150 and 450 degrees Celsius, making them suitable for use in plastic machinery, die heads, cable machinery, chemical, rubber, and petroleum industries.
[0003] In existing cast aluminum heaters, bolts are typically used to install and fix the heater in use. However, tools are needed to tighten the bolts during installation and disassembly, which is cumbersome and time-consuming. Without tools, installation and disassembly are difficult and inconvenient. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a bidirectional heat exchange cast aluminum electric heater, which solves the problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a bidirectional heat exchange cast aluminum electric heater, comprising a first shell and a second shell, wherein vertical plates are fixedly connected to the top and bottom of the surface of the first shell, and fixed plates are fixedly connected to the top and bottom of the surface of the second shell, a locking rod is movably connected inside the fixed plate, a pull plate is fixedly connected to one end of the locking rod, one end of the locking rod passes through the vertical plate and extends to one side of the vertical plate, a fixing block is fixedly connected to the top of one side of the vertical plate, and a vertical rod is movably connected inside the fixing block, the bottom end of the vertical rod passes through the locking rod and extends into the interior of the locking rod.
[0006] Preferably, junction boxes are fixedly connected to the opposite sides of the first and second housings, and the top of the lever has a locking hole adapted to the vertical rod.
[0007] Preferably, a limiting rod is fixedly connected to the top and bottom of one side of the fixed plate, and one end of the limiting rod passes through the pull plate and extends to one side of the pull plate.
[0008] Preferably, a first stop block is fixedly connected to one end of the limiting rod, and a first spring is fixedly connected to the surface of the limiting rod and between the fixed plate and the pull plate on the opposite side.
[0009] Preferably, a second stop is fixedly connected to the top of the vertical rod, and an annular plate is fixedly connected to the bottom of the surface of the vertical rod. A second spring is fixedly connected to the surface of the vertical rod between the fixed block and the annular plate.
[0010] Preferably, the first housing and the second housing are the same size.
[0011] Beneficial effects
[0012] This utility model provides a bidirectional heat exchange cast aluminum electric heater. Compared with the prior art, it has the following advantages: The bidirectional heat exchange cast aluminum electric heater has vertical plates fixedly connected to the top and bottom of the first shell surface, and fixed plates fixedly connected to the top and bottom of the second shell surface. A locking rod is movably connected inside the fixed plates. One end of the locking rod is fixedly connected to a pull plate, and the other end of the locking rod passes through the vertical plate and extends to one side of the vertical plate. A fixing block is fixedly connected to the top of one side of the vertical plate, and a vertical rod is movably connected inside the fixing block. The bottom end of the vertical rod passes through the locking rod and extends into the locking rod. When installing the cast aluminum heater, the locking rod is inserted into the vertical plate by the spring force, and the vertical rod is inserted into the locking rod, thus limiting the locking rod and fixing the first and second shells. The bidirectional heat exchange cast aluminum electric heater can be opened simply by pulling out the fixing rod. This operation is simple, saves time, and is convenient for operators to open. Attached Figure Description
[0013] Figure 1 This is a perspective view of the structure of this utility model;
[0014] Figure 2 This is a top view of the first and second housing structures of this utility model;
[0015] Figure 3 This utility model Figure 1 A magnified view of a section at point A in the middle;
[0016] Figure 4 This utility model Figure 1 A magnified view of a section at point B in the middle.
[0017] In the diagram: 1-First housing, 2-Second housing, 3-Vertical plate, 4-Fixing plate, 5-Clamping rod, 6-Pull plate, 7-Fixing block, 8-Vertical rod, 9-Junction box, 10-Clamping hole, 11-Limiting rod, 12-First stop block, 13-First spring, 14-Second stop block, 15-Annular plate, 16-Second spring. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-4 This utility model provides a technical solution: a bidirectional heat exchange cast aluminum electric heater, including a first shell 1 and a second shell 2, the first shell 1 and the second shell 2 are the same size, and a junction box 9 is fixedly connected to the opposite side of the first shell 1 and the second shell 2, the top of the locking rod 5 is provided with a locking hole 10 adapted to the vertical rod 8, the top and bottom of the surface of the first shell 1 are fixedly connected to the vertical plate 3, and the top and bottom of the surface of the second shell 2 are fixedly connected to the fixing plate 4, the top and bottom of one side of the fixing plate 4 are fixedly connected to the limiting rod 11, one end of the limiting rod 11 is fixedly connected to the first stop 12, and the surface of the limiting rod 11 and the side opposite to the fixing plate 4 and the pull plate 6 are fixedly connected to the first spring 13. One end of rod 11 passes through pull plate 6 and extends to one side of pull plate 6. A locking rod 5 is movably connected inside fixed plate 4. One end of locking rod 5 is fixedly connected to pull plate 6. One end of locking rod 5 passes through vertical plate 3 and extends to one side of vertical plate 3. A fixing block 7 is fixedly connected to the top of one side of vertical plate 3. A vertical rod 8 is movably connected inside fixed block 7. A second stop block 14 is fixedly connected to the top of vertical rod 8. An annular plate 15 is fixedly connected to the bottom of the surface of vertical rod 8. A second spring 16 is fixedly connected to the surface of vertical rod 8 and between the fixed block 7 and the annular plate 15 on the opposite side. The bottom end of vertical rod 8 passes through locking rod 5 and extends into the interior of locking rod 5. All contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0020] In use, by pulling the lever 5 to one side using the pull plate 6, the lever 5 can be pulled to one side, and then the first housing 1 and the second housing 2 are aligned. The lever 5 is released, and the lever 5 passes through the vertical plate 3 under the elastic force of the first spring 13. Then the vertical rod 8 is released, and the vertical rod 8 is inserted into the interior of the lever 5 under the elastic force of the second spring 16, thus completing the connection between the first housing 1 and the second housing 2.
[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bidirectional heat exchange cast aluminum electric heater, comprising a first housing (1) and a second housing (2), characterized in that: The top and bottom of the surface of the first housing (1) are fixedly connected with vertical plates (3), and the top and bottom of the surface of the second housing (2) are fixedly connected with fixing plates (4). The fixing plates (4) are movably connected with a locking rod (5). One end of the locking rod (5) is fixedly connected with a pull plate (6). One end of the locking rod (5) passes through the vertical plate (3) and extends to one side of the vertical plate (3). The top of one side of the vertical plate (3) is fixedly connected with a fixing block (7), and the inside of the fixing block (7) is movably connected with a vertical rod (8). The bottom end of the vertical rod (8) passes through the locking rod (5) and extends into the inside of the locking rod (5).
2. The bidirectional heat exchange cast aluminum electric heater according to claim 1, characterized in that: A junction box (9) is fixedly connected to the opposite side of the first housing (1) and the second housing (2), and a card hole (10) adapted to the vertical rod (8) is opened on the top of the card rod (5).
3. The bidirectional heat exchange cast aluminum electric heater according to claim 1, characterized in that: Limiting rods (11) are fixedly connected to the top and bottom of one side of the fixed plate (4). One end of the limiting rod (11) passes through the pull plate (6) and extends to one side of the pull plate (6).
4. A bidirectional heat exchange cast aluminum electric heater according to claim 3, characterized in that: One end of the limiting rod (11) is fixedly connected to a first stop (12), and a first spring (13) is fixedly connected to the surface of the limiting rod (11) and the side opposite to the fixed plate (4) and the pull plate (6).
5. A bidirectional heat exchange cast aluminum electric heater according to claim 1, characterized in that: The top of the vertical rod (8) is fixedly connected to a second stop (14), and the bottom of the surface of the vertical rod (8) is fixedly connected to an annular plate (15). A second spring (16) is fixedly connected between the surface of the vertical rod (8) and the side opposite to the fixed block (7) and the annular plate (15).
6. A bidirectional heat exchange cast aluminum electric heater according to claim 1, characterized in that: The first housing (1) and the second housing (2) are the same size.