A photocopier heating lamp tube resistant to high temperature deformation

Abstract

This utility model discloses a photocopier heating lamp tube resistant to high-temperature deformation, comprising a heating lamp tube body, a protective sleeve covering the outside of the heating lamp tube body, a preheating fan installed at one end of the protective sleeve, the preheating fan heating air and injecting it into the interior of the protective sleeve to preheat the heating lamp tube body, and an exhaust connector installed at the other end of the protective sleeve; the protective sleeve covering the outside of the heating lamp tube body, with a preheating fan installed at one end of the protective sleeve, allows the preheating fan to heat the air and inject it into the interior of the protective sleeve, thereby preheating the heating lamp tube body to prevent high-temperature deformation caused by thermal stress concentration due to excessively rapid heating of the heating lamp tube body; after the heating lamp tube body stops heating, the protective sleeve provides a certain heat preservation effect, slowing down the cooling rate of the heating lamp tube body and preventing excessively rapid temperature changes.

Description

Technical Field

[0001] This utility model relates to the field of photocopier heating lamp technology, specifically a photocopier heating lamp resistant to high-temperature deformation. Background Technology

[0002] The fuser lamp in a copier is the core heat source component of the fuser assembly, primarily used to provide heat to the fuser roller. This lamp is approximately 0.3 cm in diameter and generates a temperature of about 200°C during operation. It is installed inside the upper fuser roller and is slightly longer than the roller body, with electrical connectors at both ends. Its typical lifespan is up to 250,000 sheets. This product is made of halogen quartz or ceramic materials and is available in single-tube, double-tube, and triple-tube configurations, compatible with A4 to A3 size equipment. Its technical parameters cover a voltage range of 107V-240V and a power range of 360W-2000W, involving various heating material forms such as carbon filament, carbon mesh, and carbon sheet. During startup, the rapid temperature change of the copier fuser lamp can cause thermal stress concentration, leading to high-temperature deformation and a reduction in its lifespan. Utility Model Content

[0003] The purpose of this invention is to provide a photocopier heating lamp that is resistant to high-temperature deformation, in order to solve the problems in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a photocopier heating lamp tube resistant to high-temperature deformation, comprising a heating lamp tube body, a protective sleeve covering the outside of the heating lamp tube body, a preheating fan installed at one end of the protective sleeve, the preheating fan heating air and injecting it into the interior of the protective sleeve to preheat the heating lamp tube body, and an exhaust connector installed at the other end of the protective sleeve.

[0005] Preferably, the inner circumferential side of the protective sleeve is provided with six positioning ribs at equal intervals along the length of the protective sleeve, and the annular structure formed by the six positioning ribs is used to support the heating lamp body.

[0006] Preferably, the end of the positioning rib near the preheating fan is provided with a heating lamp body limiting plate.

[0007] Preferably, the exhaust connector is provided with an exhaust port, and a dust cover is installed on the exhaust port.

[0008] Preferably, the preheating fan consists of a fan housing, a motor, fan blades, and a heater. The motor is installed inside the fan housing, the fan blades are fixed on the output shaft of the motor, the heater is installed at the tail of the fan housing, and three miniature electric heating tubes are provided at equal intervals on the side of the heater. The heater is provided with three air inlets at equal intervals on the side.

[0009] Preferably, the preheating fan and the exhaust connector are each fixed with three circumferentially spaced plates at one end near the protective sleeve, and one of the plates is fixed with a locking block. The two ends of the protective sleeve are respectively provided with a locking groove that cooperates with the locking block.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: the heating lamp tube body of this utility model is covered with a protective sleeve, and a preheating fan is installed at one end of the protective sleeve. The preheating fan can heat the air and inject it into the interior of the protective sleeve, thereby preheating the heating lamp tube body to prevent high-temperature deformation caused by thermal stress concentration due to the rapid heating rate of the heating lamp tube body. After the heating lamp tube body stops heating, the protective sleeve can play a certain heat preservation effect, slowing down the cooling rate of the heating lamp tube body and avoiding excessive temperature change.

[0011] The six supports along the inside of the protective sleeve can support the main body of the heating lamp tube, preventing the main body of the heating lamp tube from being suspended in the air. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a structural schematic diagram of the protective sleeve and the main body of the heating lamp tube of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the preheating fan of this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the heater of this utility model;

[0017] Figure 5 This is a structural schematic diagram of the exhaust connector of this utility model.

[0018] In the diagram: 1. Protective sleeve; 2. Exhaust connector; 3. Heating lamp body; 4. Preheating fan; 5. Positioning rib; 6. Heating lamp body limiting plate; 7. Slot; 8. Dust cover; 9. Exhaust port; 10. Card plate; 11. Card block; 12. Fan housing; 13. Motor; 14. Heater; 15. Miniature electric heating tube; 16. Air inlet. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] Please see Figure 1-5 In this embodiment of the present invention, a copier heating lamp tube resistant to high-temperature deformation includes a heating lamp tube body 3, a protective sleeve 1 covering the outside of the heating lamp tube body 3, a preheating fan 4 installed at one end of the protective sleeve 1, the preheating fan 4 heating air and injecting it into the interior of the protective sleeve 1 to preheat the heating lamp tube body 3, and an exhaust connector 2 installed at the other end of the protective sleeve 1; the preheating fan 4 can heat air and inject it into the interior of the protective sleeve 1, thereby preheating the heating lamp tube body 3, to prevent high-temperature deformation caused by thermal stress concentration due to the rapid heating rate of the heating lamp tube body 3, and after the heating lamp tube body 3 stops heating, the protective sleeve 1 can play a certain heat preservation effect, slowing down the cooling rate of the heating lamp tube body 3 and avoiding excessive temperature change.

[0021] The inner circumference of the protective sleeve 1 is provided with six positioning ribs 5 at equal intervals along the length of the protective sleeve 1. The ring structure formed by the six positioning ribs 5 is used to support the heating lamp body 3. The end of the positioning ribs 5 near the preheating fan 4 is provided with a heating lamp body limiting plate 6.

[0022] The exhaust connector 2 is provided with an exhaust port 9, and a dust cover 8 is installed on the exhaust port 9.

[0023] The preheating fan 4 consists of a fan housing 12, a motor 13, fan blades, and a heater 14. The motor 13 is installed inside the fan housing 12, and the fan blades are fixed on the output shaft of the motor 13. The heater 14 is installed at the tail of the fan housing 12. Three miniature electric heating tubes 15 are circumferentially spaced on the side of the heater 14, and three air inlets 16 are circumferentially spaced. Three clamping plates 10 are circumferentially spaced at the end of the preheating fan 4 and the exhaust connector 2 near the protective sleeve 1, and a clamping block 11 is fixed on one of the clamping plates 10. A groove 7 that mates with the clamping block 11 is opened at both ends of the protective sleeve 1.

[0024] The working principle of this utility model is as follows: The heating lamp tube body 3 of this utility model is covered with a protective sleeve 1, and a preheating fan 4 is installed at one end of the protective sleeve 1. The preheating fan 4 can heat the air and inject it into the interior of the protective sleeve 1, thereby preheating the heating lamp tube body 3 to prevent high temperature deformation caused by thermal stress concentration due to the rapid heating rate of the heating lamp tube body 3. After the heating lamp tube body 3 stops, the protective sleeve 1 can play a certain heat preservation effect, so that the cooling rate of the heating lamp tube body 3 is slowed down and the temperature change is avoided too fast.

[0025] The six supports along the inner side of the protective sleeve 1 can support the heating lamp body 3 and prevent the heating lamp body 3 from being suspended in the air.

[0026] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A high-temperature deformation resistant copying machine heating lamp tube comprising a heating lamp tube main body (3), characterized by: The heating lamp tube body (3) is covered with a protective sleeve (1). A preheating fan (4) is installed at one end of the protective sleeve (1). The preheating fan (4) heats the air and injects it into the interior of the protective sleeve (1) to preheat the heating lamp tube body (3). An exhaust connector (2) is installed at the other end of the protective sleeve (1).

2. The high temperature deforming resistant copying machine heating lamp tube according to claim 1, characterized in that: The inner circumferential side of the protective sleeve (1) is provided with six positioning ribs (5) arranged at equal intervals along the length direction of the protective sleeve (1). The ring structure formed by the six positioning ribs (5) is used to support the heating lamp body (3).

3. The high temperature deforming resistant copying machine heating lamp tube according to claim 2, characterized in that: The positioning rib (5) is provided with a heating lamp tube main body limiting plate (6) at one end near the preheating fan (4).

4. The high temperature deforming resistant copying machine heating lamp tube of claim 1, wherein: The exhaust connector (2) is provided with an exhaust port (9), and a dust cover (8) is installed on the exhaust port (9).

5. A photocopier heating lamp tube resistant to high-temperature deformation according to claim 1, characterized in that: The preheating fan (4) consists of a fan housing (12), a motor (13), fan blades and a heater (14). The motor (13) is installed inside the fan housing (12). The fan blades are fixed on the output shaft of the motor (13). The heater (14) is installed at the tail of the fan housing (12). Three miniature electric heating tubes (15) are provided circumferentially at equal intervals on the side of the heater (14). Three air inlets (16) are provided circumferentially at equal intervals on the heater (14).

6. The high temperature deforming resistant copying machine heating lamp tube of claim 1, wherein: The preheating fan (4) and the exhaust connector (2) are each fixed with three circumferentially spaced plates (10) at one end near the protective sleeve (1), and a locking block (11) is fixed on one of the plates (10). A locking groove (7) that cooperates with the locking block (11) is opened at both ends of the protective sleeve (1).

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