Combined tungsten filament heating tube

Abstract

The utility model discloses a combined tungsten filament heating tube, which comprises a frame body, a connecting groove and a heating tube body, the connecting groove is arranged on the frame body, a guide rod is arranged in the connecting groove, a spring is sleeved on the guide rod, one end of the spring is fixedly connected with a moving piece, one side of the moving piece is provided with the heating tube body, and the heating tube body is arranged on the other side of the moving piece. The heating tube comprises a heating tube body, the heating tube body is provided with a spring, a movable piece is arranged on the heating tube body, a junction box is arranged in the heating tube body, a temperature measuring block is arranged in the junction box, a tungsten filament is installed on one side of the junction box, a glass tube is arranged outside the tungsten filament, and a wiring board is connected to the frame body. The wires on the heating pipe bodies are connected with the wiring boards, the two sets of heating pipe bodies on the frame bodies are combined and connected through the connecting lines, disassembly, assembly and maintenance of the heating pipe bodies are facilitated, the mounting blocks on the frame bodies are inserted into the mounting grooves, the two frame bodies can be connected, and the heating pipe bodies are added step by step according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of heating tubes, in particular to a combined tungsten wire heating tube. Background Art

[0002] Tungsten wire heating tube is a heating element, the core part of which is a heating element made of tungsten wire, which generates heat by applying voltage. Tungsten wire heating tube is widely used in various heating occasions, such as vacuum drying, plastic molding, aerospace, medical equipment and other industries.

[0003] The existing device has the following problems when in use: the amount of heating tubes used needs to be adjusted when facing different processing requirements. However, when adjusting the amount of heating tubes used, the connection steps between the heating tubes are increased, and disassembly and assembly are more troublesome and inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a combined tungsten wire heating tube to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined tungsten filament heating tube, comprising a frame, a connecting groove, and a heating tube body, the frame is provided with a connecting groove, a guide rod is installed inside the connecting groove, a spring is provided on the upper sleeve of the guide rod, a moving piece is fixedly connected to one end of the spring, a heating tube body is provided on one side of the moving piece, a junction box is provided in the heating tube body, a temperature measuring block is provided inside the junction box, a tungsten filament is installed on one side of the junction box, a glass tube is provided outside the tungsten filament, a junction board is connected to the frame, and a wiring hole is provided on the junction board.

[0006] By adopting the above technical solution, the heating tube body is placed between the movable plate and the fixed plate. Under the action of the spring, the movable plate cooperates with the fixed plate to limit and fix the heating tube body, which makes it easy to disassemble and assemble the heating tube body to meet different usage requirements. The mounting block on the frame is inserted into the mounting groove, so that the two frames can be connected, and the heating tube body can be gradually added according to needs, thereby improving the convenience of combination.

[0007] Preferably, a mounting groove is provided inside the frame, and a mounting block is connected to one end of the frame away from the mounting groove, and threaded holes are provided on the mounting groove and the mounting block.

[0008] By adopting the above technical solution, the frame is further fixed through the threaded holes.

[0009] Preferably, a fixed plate is provided on the frame, and a heating tube body is provided between the fixed plate and the movable sheet.

[0010] Preferably, a connecting wire is connected to one side of the frame, and the connecting wire is electrically connected to the wiring board.

[0011] By adopting the above technical solution, the connection steps between the heating tube bodies are reduced and the convenience of use is improved.

[0012] Preferably, a moving sheet is slidably connected to the guide rod, and one end of the spring is fixedly connected to the connecting groove.

[0013] By adopting the above technical solution, the movable sheet is pulled to compress the spring, thereby facilitating the positioning of the heating tube body.

[0014] Preferably, a glass tube is connected to one side of the heating tube body.

[0015] Preferably, the wiring board is configured to be L-shaped, and the movable sheet is configured to be arc-shaped.

[0016] By adopting the above technical solution, the movable sheet can be easily fitted to the heating tube body for fixation.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. Under the action of the spring, the moving piece cooperates with the fixing plate to limit and fix the heating tube body, and the wire on the heating tube body is connected to the terminal board, so that the two groups of heating tube bodies on the frame are combined and connected through the connecting wire, which is convenient for the disassembly, assembly and maintenance of the heating tube body and improves the convenience of use.

[0019] 2. The two frames can be connected by inserting the mounting block on the frame into the mounting groove, and the heating tube body can be gradually added according to needs to improve the convenience of combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0022] Figure 3 This is a schematic diagram of the frame structure of the utility model.

[0023] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0024] In the figure: 1. frame; 2. moving plate; 3. heating tube body; 4. temperature measuring block; 5. junction box; 6. tungsten wire; 7. glass tube; 8. fixing plate; 9. mounting groove; 10. mounting block; 11. connecting groove; 12. guide rod; 13. spring; 14. connecting wire; 15. terminal board. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides a technical solution: a combined tungsten wire heating tube, including a frame 1, a connecting groove 11, and a heating tube body 3. Figure 1 , Figure 2 , Figure 3 , Figure 4 The heating tube body 3 is provided with a junction box 5, the inside of the junction box 5 is provided with a temperature measuring block 4, a tungsten wire 6 is installed on one side of the junction box 5, a glass tube 7 is arranged outside the tungsten wire 6, and the glass tube 7 is connected to one side of the heating tube body 3. A connecting groove 11 is provided on the frame 1, and a guide rod 12 is installed inside the connecting groove 11. A spring 13 is sleeved on the guide rod 12, and one end of the spring 13 is fixedly connected to a moving sheet 2. The heating tube body 3 is provided on one side of the moving sheet 2. A fixing plate 8 is provided on the frame 1, and the fixing plate 8 and the moving sheet 2, a heating tube body 3 is arranged between the guide rod 12, a moving sheet 2 is slidably connected to the guide rod 12, one end of the spring 13 is fixedly connected to the connecting groove 11, and the moving sheet 2 is arranged in an arc shape. By placing the heating tube body 3 between the moving sheet 2 and the fixed plate 8, the moving sheet 2 cooperates with the fixed plate 8 to limit and fix the heating tube body 3 under the action of the spring 13, and the wire on the heating tube body 3 is connected to the terminal board 15, so that the two groups of heating tube bodies 3 on the frame 1 are combined and connected through the connecting line 14, thereby improving the convenience of using the heating tube and facilitating the subsequent disassembly and maintenance of the heating tube.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The frame 1 is connected to a terminal block 15, and a wiring hole is provided on the terminal block 15. A mounting groove 9 is provided inside the frame 1. A mounting block 10 is connected to the end of the frame 1 away from the mounting groove 9. Both the mounting groove 9 and the mounting block 10 are provided with threaded holes. A connecting wire 14 is connected to one side of the frame 1, and the connecting wire 14 is electrically connected to the terminal block 15. The terminal block 15 is set to be L-shaped, and is inserted into the mounting groove 9 through the mounting block 10 on the frame 1, so that the two frames 1 can be connected, and the heating tube body 3 can be added according to needs to improve the convenience of combination.

[0028] Working principle: by placing the heating tube body 3 between the movable sheet 2 and the fixed plate 8, the movable sheet 2 cooperates with the fixed plate 8 to limit and fix the heating tube body 3 under the action of the spring 13, and the wire on the heating tube body 3 is connected to the terminal board 15, so that the two groups of heating tube bodies 3 on the frame 1 are combined and connected through the connecting wire 14, and the mounting block 10 on the frame 1 is inserted into the mounting groove 9, so that the two frames 1 can be connected, and the heating tube body 3 can be added according to needs to improve the convenience of combination.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined tungsten wire heating tube, comprising a frame (1), a connecting groove (11), and a heating tube body (3), characterized in that: The frame (1) is provided with a connection groove (11), a guide rod (12) is installed inside the connection groove (11), a spring (13) is sleeved on the guide rod (12), one end of the spring (13) is fixedly connected to a moving sheet (2), a heating tube body (3) is provided on one side of the moving sheet (2), a junction box (5) is provided inside the heating tube body (3), a temperature measuring block (4) is provided inside the junction box (5), a tungsten wire (6) is installed on one side of the junction box (5), a glass tube (7) is provided outside the tungsten wire (6), a junction board (15) is connected to the frame (1), and a junction board (15) is provided with a wiring hole.

2. The combined tungsten wire heating tube according to claim 1, characterized in that: The frame body (1) is provided with a mounting groove (9) inside, and one end of the frame body (1) away from the mounting groove (9) is connected to a mounting block (10), and threaded holes are provided on the mounting groove (9) and the mounting block (10).

3. The combined tungsten wire heating tube according to claim 1, characterized in that: A fixed plate (8) is arranged on the frame (1), and a heating tube body (3) is arranged between the fixed plate (8) and the movable plate (2).

4. The combined tungsten wire heating tube according to claim 1, characterized in that: A connecting wire (14) is connected to one side of the frame (1), and the connecting wire (14) is electrically connected to a wiring board (15).

5. The combined tungsten wire heating tube according to claim 1, characterized in that: A moving sheet (2) is slidably connected to the guide rod (12), and one end of the spring (13) is fixedly connected to the connecting groove (11).

6. The combined tungsten wire heating tube according to claim 1, characterized in that: A glass tube (7) is connected to one side of the heating tube body (3); the wiring board (15) is configured to be L-shaped, and the moving sheet (2) is configured to be arc-shaped.

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