Heat gun fixing device

By designing a hot air gun fixing device for rotating devices and fixing devices, the problems of unstable fixing and restricted angle adjustment in the prior art are solved, and stable fixing and effective heating of objects of different models and complex shapes are achieved.

CN222849491UActive Publication Date: 2025-05-09CHIZHOU YIBO MECHANICAL & ELECTRICAL EQUIPMENT CO LTD

Patent Information

Application Number
CN202421623559.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-09
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing hot air gun fixing device cannot adapt to different models of hot air guns, resulting in unstable position problems during operation, and the angle cannot be flexibly adjusted, limiting the angle and position to the surface of the object. Especially for objects with complex shapes or uneven shapes, it cannot fully cover the area that needs heating.

Method used

A hot air gun fixing device including a rotating device and a fixing device is designed. The rotating device drives the rotating frame and support rod to rotate through the hydraulic cylinder and the drive motor, achieving flexible adjustment of the angle of the hot air gun. The fixing device drives the fixture to telescopic gears through telescopic gears and fixed motors to adapt to different types of hot air guns.

Benefits of technology

The stable fixation and angle adjustment of the hot air gun on objects of different models and complex shapes is achieved, ensuring that the hot air gun can effectively cover the areas that need to be heated and improve the working effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of hot air guns, and particularly relates to a hot air gun fixing device which comprises a base, a rotating device is arranged on the outer surface of the base and comprises a rotating frame, and the angle of a hot air gun is adjusted through rotation of the rotating frame. The fixing frame and the supporting rod are fixedly installed, the fixing frame and the fixing motor are fixedly installed, an output shaft of the fixing motor and the telescopic gear are fixedly installed and drive the telescopic gear to rotate, the telescopic gear rotates to drive the fixing frame in sliding insertion connection with the telescopic gear to rotate, and the fixing frame is in sliding sleeving connection with the inner wall of a groove of the fixing frame and limits the fixing frame. The technical problems that when the hot air gun is used, the hot air gun is fixed only through a fixing opening, the hot air gun cannot adapt to hot air guns of different models, and the position of the hot air gun is likely to be unstable when the hot air gun works are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot air guns, in particular to a hot air gun fixing device. Background Art

[0002] Wiring harness assembly is an indispensable process in the automobile production and assembly process. Due to the need for waterproofing, the docking points in the wires need to be protected with adhesive heat shrink tubing during the production process to avoid water ingress and short circuits between the card points. The existing method is to insert the heat shrink tubing into the docking points, hold it with your left hand to keep it fixed, hold the hot air gun with your right hand, aim the muzzle at the heat shrink tubing, swing it to heat it, and then turn off the hot air gun after completion.

[0003] A Chinese patent with authorization announcement number CN215921264U discloses a hot air gun fixing device, including a bracket, a sensor, an operating table, a fixing table and a hot air gun; the bracket is provided with a sliding groove; the operating table and the fixing table are both provided on the sliding groove; the fixing table is provided with a fixing port; the hot air gun is provided in the fixing port; the operating table is provided with a hot air outlet; the sensor is provided on the bracket, and it can sense objects on the hot air outlet, the sensor and the hot air gun are electrically connected to control the operation of the hot air gun. The utility model has a simple structure, simple operation, easy use and energy saving.

[0004] However, when using the hot air gun, the above solution only fixes the hot air gun through the fixing port, which cannot adapt to hot air guns of different models. The hot air gun may have an unstable position problem when working, thereby affecting the working effect. In addition, the hot air gun is fixed in the fixing port and the angle cannot be flexibly adjusted, which may limit the angle and position of the object surface reached. In particular, for objects with complex shapes or uneven surfaces, the area that needs to be heated may not be completely covered. Therefore, a hot air gun fixing device is proposed to solve the above-mentioned problems. Utility Model Content

[0005] Based on the existing technical problem that when using a hot air gun, the hot air gun is only fixed by a fixing port, which cannot adapt to different models of hot air guns, so that the position may be unstable during operation, and the hot air gun is fixed in the fixing port, especially for objects with complex shapes or uneven surfaces, and the angle cannot be flexibly adjusted, the utility model proposes a hot air gun fixing device.

[0006] The utility model provides a hot air gun fixing device, which comprises a base. The outer surface of the base is provided with a rotating device, and the rotating device comprises a rotating frame. The rotation of the rotating frame is used to adjust the angle of the hot air gun.

[0007] A fixing device is arranged on the outer surface of the base, and the fixing device comprises a fixing frame, and the hot air gun is fixed by the extension and retraction of the fixing frame.

[0008] Preferably, the rotating device further comprises a hydraulic cylinder, the hydraulic cylinder is fixedly mounted on the inner wall of the groove of the base, a support frame is fixedly mounted on one end of the telescopic rod of the hydraulic cylinder, and a driving motor is fixedly mounted on the inner wall of the groove of the support frame.

[0009] Through the above technical scheme, the telescopic rod of the hydraulic cylinder is fixedly installed with the support frame, and the telescopic rod of the hydraulic cylinder is extended and retracted to drive the support frame to rise and fall. The support frame is fixedly installed with the driving motor, and the motor is fixed to drive it to rise and fall, so as to drive the fixed hot air gun to rise and fall, thereby adjusting its height.

[0010] Preferably, the output shaft of the driving motor is slidably sleeved with a sliding tube, the output shaft of the driving motor is rotatably connected to a rotating gear, a rotating electromagnet is fixedly mounted on the outer surface of the rotating gear, and the upper surface of the rotating electromagnet is magnetically connected to the lower surface of the sliding tube through an adsorption piece.

[0011] Through the above technical scheme, the output shaft of the driving motor is slidably sleeved with the sliding tube, which drives it to rotate without affecting its lifting; the output shaft of the driving motor is rotationally connected with the rotating gear, which is fixed and its rotation does not affect the rotating gear; the rotating electromagnet fixedly installed on the rotating gear is magnetically connected to the lower surface of the sliding tube through an adsorption piece, and the rotating electromagnet is energized, the rotation of the sliding tube drives the rotating gear to rotate together, the rotating gear meshes with the rotating gear, driving the rotating gear to rotate, the rotating gear meshes with the gear ring, making it revolve, thereby driving the rotating frame rotationally connected to the rotating gear to rotate, so as to adjust the angle of the hot air gun.

[0012] Preferably, the output shaft of the driving motor is rotatably connected to a support rod, a deflection electromagnet is fixedly mounted on the outer surface of the support rod, the lower surface of the deflection electromagnet is magnetically connected to the upper surface of the sliding tube via an adsorption piece, and the outer surface of the support rod is rotatably connected to the inner wall of the groove of the rotating frame.

[0013] Through the above technical scheme, the output shaft of the driving motor is rotatably connected to the support rod, and the support rod is fixed while its rotation does not affect the support rod. The support rod is fixedly installed with the deflection electromagnet, and the lower surface of the deflection electromagnet is magnetically connected to the upper surface of the sliding tube through an adsorption piece. The rotating electromagnet is powered off and the deflection electromagnet is powered on. The rotation of the sliding tube drives the support rod to rotate, thereby driving the support rod to rotate through the bevel gear set to adjust the angle of the hot air gun.

[0014] Preferably, one end of the rotating frame is rotatably connected to a rotating gear, a gear ring is fixedly installed on the outer surface of the support frame, the rotating gear is respectively engaged with the gear ring and the rotating gear, the outer surface of the rotating frame is rotatably connected to a support rod, and one end of the support rod drives the support rod to rotate through a bevel gear set.

[0015] Through the above technical scheme, the rotating frame is rotatably connected with the rotating gear, so that the rotation of the rotating gear does not affect the rotating frame while driving it to revolve; the supporting frame and the gear ring are fixedly installed, and the rotating gear is respectively meshed with the gear ring and the rotating gear to make it revolve; the supporting rod is rotatably connected with the rotating frame, so that when it rotates with the rotating frame, its own rotation does not affect the rotating frame; the supporting rod is driven to rotate through a bevel gear set at one end of the supporting rod, so as to adjust the angle of the hot air gun.

[0016] Preferably, the fixing device further comprises a fixing frame, an outer surface of the fixing frame is fixedly mounted to an outer surface of the support rod, a fixing motor is fixedly mounted on an inner wall of the groove of the fixing frame, and a telescopic gear is fixedly mounted on an output shaft of the fixing motor.

[0017] Through the above technical scheme, the fixed frame is fixedly installed on the support rod, and while it is fixed, it can rotate with the support rod. The fixed frame is fixedly installed on the fixed motor to fix it. The output shaft of the fixed motor is fixedly installed on the telescopic gear to drive the telescopic gear to rotate, thereby driving the fixed frame fixedly installed on the inner wall of the groove of the telescopic gear to extend and retract, so as to fix different models of hot air guns.

[0018] Preferably, the inner wall of the groove of the telescopic gear is slidably inserted into the outer surface of the fixing frame, and the outer surface of the fixing frame is slidably sleeved into the inner wall of the groove of the fixing frame.

[0019] Through the above technical solution, the telescopic gear is slidably connected with the fixed frame, and the rotation of the telescopic gear drives the fixed frame slidably connected with it to rotate. The fixed frame is slidably sleeved with the inner wall of the groove of the fixed frame to limit it so that it can only be telescoped, so as to fix different models of hot air guns.

[0020] The beneficial effects of the present invention are:

[0021] 1. By setting a rotating device, the angle of the hot air gun is adjusted, the telescopic rod of the hydraulic cylinder is extended and retracted to drive the support frame to rise and fall, the output shaft of the driving motor is slidably sleeved with the sliding tube, the output shaft of the driving motor is rotatably connected with the rotating gear, the rotating electromagnet is energized, the rotation of the sliding tube drives the rotating gear to rotate together, the rotating gear is meshed with the rotating gear, driving the rotating gear to rotate, the rotating gear is meshed with the gear ring, so that it revolves, thereby driving the rotating frame rotatably connected with the rotating gear to rotate, the output shaft of the driving motor is rotatably connected with the support rod, the rotating electromagnet is powered off, the deflection electromagnet is energized, the rotation of the sliding tube drives the support rod to rotate, thereby driving the support rod to rotate through the bevel gear set, solving the problem that when using the hot air gun, the hot air gun is fixed in the fixed mouth and the angle cannot be flexibly adjusted, which may limit the angle and position of the surface of the object reached, especially for objects with complex shapes or uneven surfaces, and the technical problem that the area to be heated may not be fully covered.

[0022] 2. The hot air gun is fixed by setting a fixing device, the fixing frame is fixedly installed on the support rod, the fixing frame is fixedly installed on the fixed motor, the output shaft of the fixed motor is fixedly installed on the telescopic gear, the telescopic gear is driven to rotate, and the rotation of the telescopic gear drives the fixed frame slidably connected with it to rotate, the fixing frame is slidably sleeved on the inner wall of the groove of the fixing frame, and is limited so that it can only be telescoped, so that hot air guns of different models can be fixed. This solves the problem that when using the hot air gun, the hot air gun is only fixed by the fixing port, which cannot adapt to hot air guns of different models, and the hot air gun may be unstable in position during work, thereby affecting the working effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of a hot air gun fixing device proposed by the utility model;

[0024] Figure 2 A three-dimensional diagram of a gear ring structure of a hot air gun fixing device proposed by the utility model;

[0025] Figure 3 A three-dimensional diagram of a rotating electromagnet structure of a hot air gun fixing device proposed by the utility model;

[0026] Figure 4 This is a three-dimensional diagram of a support rod structure of a hot air gun fixing device proposed by the utility model.

[0027] In the figure: 1. base; 2. hydraulic cylinder; 21. support frame; 22. drive motor; 3. slide tube; 31. rotating gear; 32. rotating electromagnet; 4. support rod; 41. deflection electromagnet; 42. rotating frame; 5. rotating gear; 51. gear ring; 52. support rod; 6. fixed frame; 61. fixed motor; 62. telescopic gear; 7. fixed frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-Figure 4 A hot air gun fixing device includes a base 1. The outer surface of the base 1 is provided with a rotating device, and the rotating device includes a rotating frame 42. The rotation of the rotating frame 42 adjusts the angle of the hot air gun.

[0030] In order to drive the support frame 21 to rise and fall, the rotating device also includes a hydraulic cylinder 2, which is fixedly mounted on the inner wall of the groove of the base 1, and the support frame 21 is fixedly mounted on one end of the telescopic rod of the hydraulic cylinder 2, and the inner wall of the groove of the support frame 21 is fixedly mounted with a driving motor 22. The telescopic rod of the hydraulic cylinder 2 is fixedly mounted with the support frame 21, and the telescopic rod of the hydraulic cylinder 2 is extended and retracted to drive the support frame 21 to rise and fall. The support frame 21 is fixedly mounted with the driving motor 22, and is fixedly mounted to drive it to rise and fall, so as to drive the fixed hot air gun to rise and fall, thereby adjusting its height.

[0031] In order to drive the rotating gear 31 to rotate, the output shaft of the driving motor 22 is slidably sleeved with the sliding tube 3, and the output shaft of the driving motor 22 is rotatably connected with the rotating gear 31. A rotating electromagnet 32 ​​is fixedly installed on the outer surface of the rotating gear 31, and the upper surface of the rotating electromagnet 32 ​​is magnetically connected to the lower surface of the sliding tube 3 through an adsorption piece. The output shaft of the driving motor 22 is slidably sleeved with the sliding tube 3, and the rotation thereof is driven without affecting its lifting. The output shaft of the driving motor 22 is rotatably connected with the rotating gear 31, and the rotation thereof does not affect the rotating gear 31 while being fixed. The rotating electromagnet 32 ​​fixedly installed on the rotating gear 31 is magnetically connected to the lower surface of the sliding tube 3 through an adsorption piece. When the rotating electromagnet 32 ​​is energized, the rotation of the sliding tube 3 drives the rotating gear 31 to rotate together, and the rotating gear 31 meshes with the rotating gear 5, driving the rotating gear 5 to rotate. The rotating gear 5 meshes with the gear ring 51, making it revolve, thereby driving the rotating frame 42 rotatably connected with the rotating gear 5 to rotate, so as to adjust the angle of the hot air gun.

[0032] In order to drive the support rod 4 to rotate, the output shaft of the driving motor 22 is rotatably connected to the support rod 4, and a deflection electromagnet 41 is fixedly installed on the outer surface of the support rod 4. The lower surface of the deflection electromagnet 41 is magnetically connected to the upper surface of the sliding tube 3 through an adsorption piece. The outer surface of the support rod 4 is rotatably connected to the inner wall of the groove of the rotating frame 42. The output shaft of the driving motor 22 is rotatably connected to the support rod 4. While the support rod 4 is fixed, its rotation does not affect the support rod 4. The support rod 4 is fixedly installed with the deflection electromagnet 41, and the lower surface of the deflection electromagnet 41 is magnetically connected to the upper surface of the sliding tube 3 through an adsorption piece. The rotating electromagnet 32 ​​is powered off and the deflection electromagnet 41 is powered on. The rotation of the sliding tube 3 drives the support rod 4 to rotate, thereby driving the support rod 52 to rotate through the bevel gear set to adjust the angle of the hot air gun.

[0033] The outer surface of the supporting frame 21 is fixedly provided with a gear ring 51, and the rotating gear 5 is respectively meshed with the gear ring 51 and the rotating gear 31. The outer surface of the rotating frame 42 is rotatably connected with the supporting rod 52. One end of the supporting rod 4 drives the supporting rod 52 to rotate through the bevel gear set, and the rotating frame 42 is rotatably connected with the rotating gear 5, so that the self-rotation of the rotating gear 5 does not affect the rotating frame 42 while driving it to revolve. The supporting frame 21 is fixedly provided with the gear ring 51, and the rotating gear 5 is respectively meshed with the gear ring 51 and the rotating gear 31 to make it revolve. The supporting frame 21 is fixedly provided with the gear ring 51, and the rotating gear 5 is respectively meshed with the gear ring 51 and the rotating gear 31 to make it revolve. The supporting frame 42 is rotatably connected with the rotating frame 42 through the supporting rod 52, so that while the rotating frame 42 rotates, its own self-rotation does not affect the rotating frame 42. The supporting rod 52 is driven to rotate through the bevel gear set at one end of the supporting rod 4, so as to adjust the angle of the hot air gun.

[0034] The rotating device is provided to adjust the angle of the hot air gun. The telescopic rod of the hydraulic cylinder 2 is extended and retracted to drive the support frame 21 to rise and fall. The output shaft of the driving motor 22 is slidably sleeved with the sliding tube 3. The output shaft of the driving motor 22 is rotatably connected with the rotating gear 31. The rotating electromagnet 32 ​​is energized. The rotation of the sliding tube 3 drives the rotating gear 31 to rotate together. The rotating gear 31 is meshed with the rotating gear 5, driving the rotating gear 5 to rotate. The rotating gear 5 is meshed with the gear ring 51 to make it revolve, thereby driving the rotating frame 42 rotatably connected with the rotating gear 5 to rotate. The output shaft of the driving motor 22 is rotatably connected with the support rod 4, the rotating electromagnet 32 ​​is powered off, and the deflection electromagnet 41 is energized. The rotation of the sliding tube 3 drives the support rod 4 to rotate, thereby driving the support rod 52 to rotate through the bevel gear set. This solves the problem that when using the hot air gun, the hot air gun is fixed in the fixed mouth and cannot flexibly adjust the angle, which may limit the angle and position of the surface of the object reached, especially for objects with complex shapes or uneven surfaces, and may not be able to completely cover the area to be heated.

[0035] In order to fix the hot air gun, a fixing device is provided on the outer surface of the base 1 , and the fixing device includes a fixing frame 7 , and the hot air gun is fixed by the extension and retraction of the fixing frame 7 .

[0036] In order to drive the telescopic gear 62 to rotate, the fixing device also includes a fixing frame 6, the outer surface of the fixing frame 6 is fixedly installed on the outer surface of the support rod 52, a fixing motor 61 is fixedly installed on the inner wall of the groove of the fixing frame 6, and the output shaft of the fixing motor 61 is fixedly installed with the telescopic gear 62. The fixing frame 6 is fixedly installed on the support rod 52, and the fixing motor 61 is fixedly installed to fix the fixing frame 6, and the output shaft of the fixing motor 61 is fixedly installed on the telescopic gear 62 to drive the telescopic gear 62 to rotate, thereby driving the fixing frame 7 fixedly installed on the inner wall of the groove of the telescopic gear 62 to be telescopic, so as to fix different types of hot air guns.

[0037] In order to drive the fixed frame 7 to rotate, the inner wall of the groove of the telescopic gear 62 is slidably plugged into the outer surface of the fixed frame 7, and the outer surface of the fixed frame 7 is slidably sleeved with the inner wall of the groove of the fixed frame 6. The telescopic gear 62 is slidably plugged into the fixed frame 7, and the rotation of the telescopic gear 62 drives the fixed frame 7 slidably plugged therewith to rotate. The fixed frame 7 is slidably sleeved with the inner wall of the groove of the fixed frame 6, and is limited so that it can only be telescoped, so as to fix different models of hot air guns.

[0038] By setting a fixing device, the hot air gun is fixed, the fixing frame 6 is fixedly installed on the support rod 52, the fixing frame 6 is fixedly installed on the fixing motor 61, the output shaft of the fixing motor 61 is fixedly installed on the telescopic gear 62, the telescopic gear 62 is driven to rotate, the rotation of the telescopic gear 62 drives the fixing frame 7 slidably connected thereto to rotate, the fixing frame 7 is slidably sleeved on the inner wall of the groove of the fixing frame 6, and is limited so that it can only be telescoped, so as to fix hot air guns of different models, and solves the technical problem that when using the hot air gun, the hot air gun is only fixed by the fixing port, which cannot adapt to hot air guns of different models, and the hot air gun may be unstable in position during operation, thereby affecting the working effect.

[0039] Working principle: When the hot air gun needs to be fixed, the fixing motor 61 drives the telescopic gear 62 to rotate, driving the fixing frame 7 slidably connected thereto to telescope on the inner wall of the groove of the fixing frame 6 slidably connected thereto, so as to fix hot air guns of different models;

[0040] When the angle of the hot air gun needs to be adjusted, the hydraulic cylinder 2 is started, and the telescopic rod of the hydraulic cylinder 2 is extended and retracted to drive the support frame 21 fixedly installed therewith to rise and fall, and the driving motor 22 of the fixed mounting seat on the inner wall of the groove of the support frame 21 is started, so as to drive the sliding tube 3 slidably sleeved therewith to rotate, and the rotating electromagnet 32 ​​on the rotating gear 31 is energized, and is magnetically connected with the adsorption piece on the sliding tube 3, so as to drive the rotating gear 31 to rotate, and drive the rotating gear 5 meshing with it to rotate, and the rotating gear 5 meshes with the gear ring 51 to make it revolve, and drive the rotating frame 42 rotatably connected therewith to rotate, thereby driving the supporting rod 52 rotatably connected to the rotating frame 42 to rotate, and the rotating electromagnet 32 ​​is powered off, and the deflection electromagnet 41 is energized, and is magnetically connected with the adsorption piece on the sliding tube 3, driving the supporting rod 4 fixedly installed with the deflection electromagnet 41, and rotatably connected with the output shaft of the driving motor 22 to rotate, and the supporting rod 4 drives the supporting rod 52 to rotate through the bevel gear set, so as to adjust the angle of the hot air gun.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hot air gun fixing device, comprising a base (1), characterized in that: The outer surface of the base (1) is provided with a rotating device, the rotating device comprising a rotating frame (42), and the rotation of the rotating frame (42) is used to adjust the angle of the hot air gun; The outer surface of the base (1) is provided with a fixing device, the fixing device comprising a fixing frame (7), and the extension and retraction of the fixing frame (7) fixes the hot air gun.

2. A hot air gun fixing device according to claim 1, characterized in that: The rotating device also includes a hydraulic cylinder (2), the hydraulic cylinder (2) being fixedly mounted on the inner wall of the groove of the base (1), a support frame (21) being fixedly mounted on one end of the telescopic rod of the hydraulic cylinder (2), and a drive motor (22) being fixedly mounted on the inner wall of the groove of the support frame (21).

3. A hot air gun fixing device according to claim 2, characterized in that: The output shaft of the drive motor (22) is slidably sleeved with a slide tube (3), the output shaft of the drive motor (22) is rotatably connected with a rotating gear (31), a rotating electromagnet (32) is fixedly mounted on the outer surface of the rotating gear (31), and the upper surface of the rotating electromagnet (32) is magnetically connected to the lower surface of the slide tube (3) via an adsorption member.

4. A hot air gun fixing device according to claim 3, characterized in that: The output shaft of the driving motor (22) is rotatably connected to a support rod (4), a deflection electromagnet (41) is fixedly mounted on the outer surface of the support rod (4), the lower surface of the deflection electromagnet (41) is magnetically connected to the upper surface of the slide tube (3) via an adsorption member, and the outer surface of the support rod (4) is rotatably connected to the inner wall of the groove of the rotating frame (42).

5. A hot air gun fixing device according to claim 4, characterized in that: One end of the rotating frame (42) is rotatably connected to a rotating gear (5); a gear ring (51) is fixedly mounted on the outer surface of the support frame (21); the rotating gear (5) is meshed with the gear ring (51) and the rotating gear (31) respectively; the outer surface of the rotating frame (42) is rotatably connected to a supporting rod (52); one end of the support rod (4) drives the supporting rod (52) to rotate via a bevel gear set.

6. A hot air gun fixing device according to claim 5, characterized in that: The fixing device further comprises a fixing frame (6), the outer surface of the fixing frame (6) being fixedly mounted to the outer surface of the support rod (52), a fixing motor (61) being fixedly mounted on the inner wall of the groove of the fixing frame (6), and a telescopic gear (62) being fixedly mounted on the output shaft of the fixing motor (61).

7. A hot air gun fixing device according to claim 6, characterized in that: The inner wall of the groove of the telescopic gear (62) is slidably inserted into the outer surface of the fixing frame (7), and the outer surface of the fixing frame (7) is slidably sleeved into the inner wall of the groove of the fixing frame (6).

Citation Information

Patent Citations

  • Heat gun fixing device

    CN215921264U

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