Hot air gun and hot air gun support

By designing a retaining and resetting component on the hot air gun to fix the handle in the groove of the bracket, the safety risk of accidental activation during use is solved, and the safety of use is improved.

CN223916866UActive Publication Date: 2026-02-17POTENTIAL INNOVATION TECH CO LTD
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Patent Information

Application Number
CN202520063059.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-02-17
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing hot air guns are prone to accidental activation during use, resulting in the unexpected release of high-temperature hot air, which poses a risk of burning users or igniting flammable materials.

Method used

A hot air gun comprising a main unit, a handle, a bracket, and a locking mechanism is designed. The handle is fixed in the groove of the bracket by a locking component and a resetting component to prevent the handle from accidentally falling off and starting.

Benefits of technology

This effectively avoids the dangers caused by accidental activation during the use of the hot air gun, thus improving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hot air gun and a hot air gun bracket. The hot air gun comprises a locking mechanism, the locking mechanism comprises a clamping piece and a reset piece, the clamping piece is used for clamping and fixing the handle in the groove, and the reset piece is used for keeping the clamping piece at the position where the handle is clamped. Therefore, the problem that an existing hot air gun is prone to being accidentally started to generate danger during use is solved.
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Description

Technical Field

[0001] This utility model relates to the field of repair parts technology, and in particular to a hot air gun. Background Technology

[0002] In the repair of electronic products such as mobile phones, hot air guns are frequently used to melt solder and remove components such as chips soldered to circuit boards, or to melt solder paste for soldering. The outlet temperature of a hot air gun can typically reach around 400 degrees Celsius, resulting in a very high temperature for the nozzle itself. Current hot air guns consist of a main unit, air duct, and nozzle. The nozzle usually has a handle; the handle is held during use to control the airflow direction, and when not in use, the handle is placed on a shelf next to the main unit. For ease of operation and safety, current hot air guns use a dual-switch system. When the main unit is switched on, the gun will not start when the handle is placed on the shelf; it will only start blowing hot air after the handle is removed from the shelf. Returning the handle to the shelf after use automatically stops the operation. In actual repairs requiring hot air guns, the gun is used frequently, and each use is relatively short. To facilitate the removal and placement of the handle, current technology only provides a shelf for the handle and does not secure it.

[0003] The air hose of a hot air gun is relatively thick and rigid. If the handle is accidentally bumped when it is placed on the shelf, it may cause the handle to fall off the shelf, thus accidentally activating the gun and blowing out high-temperature hot air. Due to the excessive temperature, there is a risk of burning the user or igniting flammable items on the table.

[0004] Therefore, existing technologies still need improvement. Utility Model Content

[0005] The main purpose of this utility model is to propose a hot air gun that aims to solve the problem that hot air guns are prone to accidental activation and danger during use.

[0006] To achieve the above objectives, the present invention proposes a hot air gun comprising a main unit, a handle, a bracket, and a locking mechanism. The main unit is connected to the handle, and the upper end of the handle is provided with a nozzle. The bracket is used to support the handle. The bracket is provided with a groove for placing the handle. The locking mechanism includes a retaining member and a resetting member. The retaining member is used to retain and fix the handle in the groove, and the resetting member is used to keep the retaining member in the position of retaining the handle.

[0007] Preferably, a heat insulation cover is provided at the upper end of the handle, and the heat insulation cover is located around the air nozzle; the retaining element is retained in the heat insulation cover.

[0008] Preferably, the width of the front section of the groove is greater than the width of the rear section, and the width of the rear section of the groove is less than the width of the heat insulation cover.

[0009] Preferably, the retaining element includes a connecting rod and a hook, the hook being formed at the end of the connecting rod and used to retain and fix the handle.

[0010] Preferably, the hook is equipped with a roller, and when the handle is fixed in the groove, the roller abuts against the heat insulation cover.

[0011] Preferably, the retaining member is movably connected to the bracket; a slot is formed at the end of the groove, through which the air nozzle passes; the retaining member moves toward the slot when reset.

[0012] Preferably, the bracket includes a first crossbar, and the retaining member is provided with a through hole, with the first crossbar passing through the through hole so that the retaining member can rotate relative to the first crossbar.

[0013] Preferably, the reset member is a torsion spring, which is sleeved on the first crossbar; the retaining member is provided with a slot, and the torsion arm of the torsion spring is embedded in the slot.

[0014] Preferably, the reset member is a tension spring, and a second crossbar is provided or formed on the retaining member; one end of the tension spring is fixed to the bracket, and the other end of the tension spring is fixed to the second crossbar.

[0015] Preferably, the reset member is configured as a first magnet and a second magnet, with the first magnet disposed on the retaining member and the second magnet disposed above the retaining member, the first magnet and the second magnet attracting each other, or the second magnet disposed below the retaining member, the first magnet and the second magnet repelling each other.

[0016] Preferably, the retaining member is located below the bracket, near the bottom of the groove.

[0017] Preferably, the bracket is located on the side panel of the main unit.

[0018] The hot air gun provided in this application includes a main unit, a handle, a bracket, and a locking mechanism. The main unit is connected to the handle, and the handle has a nozzle at its upper end. The bracket supports the handle and has a groove for placing the handle. The locking mechanism includes a retaining member and a resetting member. The retaining member is used to hold and fix the handle in the groove, and the resetting member is used to keep the retaining member in the position of holding the handle. This solves the problem of current hot air guns easily activating accidentally and causing danger during use.

[0019] This utility model also proposes a hot air gun holder, comprising: a frame with a groove for holding the handle of the hot air gun; and a locking mechanism including a retaining member and a resetting member. The retaining member is used to hold and fix the handle in the groove, and the resetting member is used to hold the retaining member in the position of holding the handle. This avoids the current problem of hot air guns easily activating accidentally and causing danger during use. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of an embodiment of the hot air gun of this utility model;

[0022] Figure 2 This is another schematic diagram of an embodiment of the hot air gun of this utility model;

[0023] Figure 3 This is another schematic diagram of an embodiment of the hot air gun of this utility model;

[0024] Figure 4 This is another schematic diagram of an embodiment of the hot air gun of this utility model;

[0025] Figure 5 This is a schematic diagram of a retaining component in an embodiment of the hot air gun of this utility model;

[0026] Figure 6 This is a schematic diagram of a bracket for an embodiment of the hot air gun of this utility model.

[0027] Explanation of icon numbers:

[0028]

[0029] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] 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.

[0031] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0032] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] In the repair of electronic products such as mobile phones, hot air guns are frequently used to melt solder and remove components such as chips soldered to circuit boards, or to melt solder paste for soldering. The outlet temperature of a hot air gun can typically reach around 400 degrees Celsius, resulting in a very high temperature for the nozzle itself. Current hot air guns consist of a main unit, air duct, and nozzle. The nozzle usually has a handle; the handle is held during use to control the airflow direction, and when not in use, the handle is placed on a shelf next to the main unit. For ease of operation and safety, current hot air guns use a dual-switch system. When the main unit is switched on, the gun will not start when the handle is placed on the shelf; it will only start blowing hot air after the handle is removed from the shelf. Returning the handle to the shelf after use automatically stops the operation. In actual repairs requiring hot air guns, the gun is used frequently, and each use is relatively short. To facilitate the removal and placement of the handle, current technology only provides a shelf for the handle and does not secure it.

[0034] The air hose of a hot air gun is relatively thick and rigid. If the handle is accidentally bumped when it is placed on the shelf, it may cause the handle to fall off the shelf, thus accidentally activating the gun and blowing out high-temperature hot air. Due to the excessive temperature, there is a risk of burning the user or igniting flammable items on the table.

[0035] To address the aforementioned problems, this patent provides a hot air gun designed to solve the issue of accidental activation and potential dangers that can occur when using current hot air guns.

[0036] For ease of understanding, the specific implementation methods of the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0037] Please see Figures 1-3A hot air gun includes a main unit 100, a handle 200, a bracket 300, and a locking mechanism 400. The main unit 100 is connected to the handle 200, and the upper end of the handle 200 is provided with a nozzle 500. The bracket 300 supports the handle 200 and has a groove 310 for placing the handle 200. The locking mechanism 400 includes a retaining member 410 and a resetting member 420. The retaining member 410 is used to retain and fix the handle 200 in the groove 310, and the resetting member 420 is used to keep the retaining member 410 in the position of retaining the handle 200. That is, when the retaining member 410 leaves the position of retaining the handle 200, the resetting member 420 will tend to return it to the position of retaining the handle 200. In this embodiment, the retaining member 410 can retain and fix the handle 200 in the groove 310 by applying pressure to the handle 200 to fix it in the groove 310, or the retaining member 410 can limit the position of the handle 200. By securing the handle 200 to the groove 310 of the bracket 300, the handle 200 is less likely to fall off the bracket 300, thus avoiding the problem of accidental activation and potential danger during the use of the hot air gun.

[0038] It should be noted that, to prevent maintenance personnel from touching the muzzle of the hot air gun, this embodiment provides the following implementation method; please refer to [link / reference]. Figure 1 The handle 200 has a heat shield 600 at its upper end, which is located around the nozzle 500. The retaining member 410 is held in place by the heat shield 600. The heat shield 600 effectively prevents maintenance personnel from touching the nozzle of the hot air gun. At the same time, the retaining member 410 can hold and fix the handle 200 in the groove 310 by being held in place by the heat shield 600. The retaining member 410 will not come into contact with the nozzle, making the retaining member 410 more durable.

[0039] Based on the above implementation, in order to enable the handle 200 to be held and fixed in the groove 310, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 6 The width of the front section of the groove 310 is greater than the width of the rear section, and the width of the rear section of the groove 310 is less than the width of the heat insulation cover 600. Because the width of the rear section of the groove 310 is less than the width of the heat insulation cover 600, the handle 200 cannot slide out from the rear section of the groove 310 when it is placed in the groove 310. At the same time, under the holding of the retaining member 410, the handle 200 cannot slide out from the front section of the groove 310, so the handle 200 can be held and fixed in the groove 310.

[0040] It should be noted that, in order for the retaining member 410 to securely hold the handle 200 in the groove 310, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 5The retaining member 410 includes a connecting rod 411 and a hook 412. The hook 412 is formed at the end of the connecting rod 411 and is used to retain and fix the handle 200. The hook 412 allows the retaining member 410 to securely hold the handle 200 in the groove 310. The connecting rod 411 allows the retaining member 410 to extend toward the handle 200 to achieve the effect of retaining the handle 200.

[0041] Based on the above implementation, in order to reduce wear on the retaining member 410 or the handle 200, this embodiment provides the following implementation method, please refer to [link / reference]. Figure 3 The hook 412 is equipped with a roller 413. When the handle 200 is fixed in the groove 310, the roller 413 abuts against the heat insulation cover 600. This implementation reduces wear on the holding member 410 when holding the handle 200, while ensuring that the handle 200 will not easily fall off. At the same time, the resistance that maintenance personnel need to overcome when actively removing the handle 200 is smaller.

[0042] It should be noted that the holding member 410 can hold the handle 200 in the groove 310 in various ways. This embodiment provides the following implementation method. Please refer to [link / reference]. Figures 2-4 The retaining member 410 is movably connected to the bracket 300; a slot 311 is formed at the end of the groove 310, through which the nozzle 500 passes; when the retaining member 410 is reset, it moves toward the slot 311. In this embodiment, the movement of the retaining member 410 toward the slot 311 when it is reset can be either a rotational movement toward the slot 311 or a direct movement toward the slot 311, thereby achieving the effect of retaining the handle 200 in the groove 310.

[0043] Based on the above implementation methods, there are multiple ways to movably connect the card holder 410 to the bracket 300. This embodiment provides the following implementation methods, please refer to [link / reference]. Figures 2-4 The bracket 300 includes a first crossbar 320, and a retaining member 410 is provided with a through hole 414. The first crossbar 320 passes through the through hole 414, so that the retaining member 410 can rotate relative to the first crossbar 320. Based on this, please refer to Figures 2-3 The reset member 420 can be configured as a torsion spring, which is sleeved on the first crossbar 320; the retaining member 410 is provided with a retaining groove 415, and the torsion arm of the torsion spring is embedded in the retaining groove 415, so that the retaining member 410 can rotate relative to the first crossbar 320 under the force applied by the torsion spring, thereby achieving reset.

[0044] It should be noted that, in addition to the torsion spring implementation, the reset component 420 can also be implemented in other ways. This embodiment provides the following two implementation methods.

[0045] Method 1.

[0046] Please see Figures 2-3The reset member 420 is configured as a tension spring, and the retaining member 410 has a second crossbar 700 passing through or forming thereon; one end of the tension spring is fixed to the bracket 300, and the other end of the tension spring is fixed to the second crossbar 700.

[0047] Method 2.

[0048] Please see Figure 4 The reset member 420 is configured as a first magnet and a second magnet. The first magnet is disposed on the retaining member 410; the second magnet is disposed above the retaining member 410, and the first magnet and the second magnet attract each other. Alternatively, the second magnet is disposed below the retaining member 410, and the first magnet and the second magnet repel each other.

[0049] In the technical solution where the bracket 300 includes a first crossbar 320, and the first crossbar 320 passes through the through hole 414 of the retaining member 410, both of the above implementation methods allow the retaining member 410 to rotate relative to the first crossbar 320. It should be noted that the reset member 420 can adopt one of the above implementation methods, or it can adopt at least two of the three implementation methods (torsion spring, tension spring, magnet) simultaneously.

[0050] It should be noted that the card holder 410 has multiple configuration methods. This embodiment provides the following implementation method; please refer to [link / reference]. Figures 2-4 The retaining member 410 is located below the bracket 300, near the bottom of the groove 310. This arrangement does not obstruct the placement of the hot air gun in the groove 310.

[0051] It should be noted that, to facilitate the use of the hot air gun by maintenance personnel, this embodiment provides the following implementation method; please refer to [link / reference]. Figure 1 The bracket 300 is located on the side plate of the main unit 100. This arrangement brings the main unit 100 and the handle 200 of the hot air gun closer together, which is beneficial for maintenance personnel to adjust parameters and position the handle 200.

[0052] In summary, the hot air gun provided in this application embodiment includes a main unit 100, a handle 200, a bracket 300, and a locking mechanism 400. The main unit 100 is connected to the handle 200, and the upper end of the handle 200 is provided with a nozzle 500. The bracket 300 is used to support the handle 200. The bracket 300 is provided with a groove 310 for placing the handle 200. The locking mechanism 400 includes a retaining member 410 and a resetting member 420. The retaining member 410 is used to retain and fix the handle 200 in the groove 310, and the resetting member 420 is used to hold the retaining member 410 in the position of retaining the handle 200. In this way, the problem of accidental activation and danger during the use of current hot air guns is solved.

[0053] This application also provides an embodiment of a hot air gun holder 300, please refer to [link / reference]. Figures 2-6The hot air gun holder 300 includes: a frame with a groove 310 for holding the handle 200 of the hot air gun; and a locking mechanism 400, which includes a retaining member 410 and a resetting member 420. The retaining member 410 is used to hold and fix the handle 200 in the groove 310, and the resetting member 420 is used to hold the retaining member 410 in the position of holding the handle 200. This solves the current problem of hot air guns easily activating accidentally and causing danger during use.

[0054] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A hot air gun, characterized in that, It includes a main unit, a handle, a bracket, and a locking mechanism. The main unit is connected to the handle, the upper end of the handle is provided with a nozzle, and the bracket is used to support the handle. The bracket has a groove for placing the handle; The locking mechanism includes a retaining member and a resetting member. The retaining member is used to retain and fix the handle in the groove, and the resetting member is used to keep the retaining member in the position of retaining the handle.

2. The hot air gun as described in claim 1, characterized in that, The upper end of the handle is provided with a heat insulation cover, which is located around the air nozzle; the retaining member is retained in the heat insulation cover.

3. The hot air gun as described in claim 2, characterized in that, The width of the front section of the groove is greater than the width of the rear section, and the width of the rear section of the groove is less than the width of the heat insulation cover.

4. The hot air gun as described in claim 1, characterized in that, The retaining element includes a connecting rod and a hook, the hook being formed at the end of the connecting rod and used to retain and fix the handle.

5. The hot air gun as described in claim 4, characterized in that, The upper end of the handle is provided with a heat insulation cover, which is located around the air nozzle; the hook is provided with a roller, and when the handle is fixed in the groove, the roller abuts against the heat insulation cover.

6. The hot air gun as described in claim 1, characterized in that, The card holder is movably connected to the bracket; The end of the groove is formed with a slot for the nozzle to pass through; when the retaining member is reset, it moves toward the slot.

7. The hot air gun as described in claim 6, characterized in that, The bracket includes a first crossbar, and the retaining member is provided with a through hole. The first crossbar passes through the through hole so that the retaining member can rotate relative to the first crossbar.

8. The hot air gun as described in claim 7, characterized in that, The reset component is a torsion spring, which is sleeved on the first crossbar; The retaining member is provided with a retaining groove, and the torsion arm of the torsion spring is embedded in the retaining groove.

9. The hot air gun as described in any one of claims 1-7, characterized in that, The reset component is configured as a tension spring, and a second crossbar is provided or formed on the retaining component; One end of the tension spring is fixed to the bracket, and the other end of the tension spring is fixed to the second crossbar.

10. The hot air gun as described in any one of claims 1-7, characterized in that, The reset component is configured as a first magnet and a second magnet, with the first magnet disposed on the retaining component; The second magnet is positioned above the retaining member, and the first magnet and the second magnet attract each other; or the second magnet is positioned below the retaining member, and the first magnet and the second magnet repel each other.

11. The hot air gun as described in any one of claims 1-8, characterized in that, The retaining member is located below the bracket, and the retaining member is close to the bottom of the groove.

12. The hot air gun as described in claim 1, characterized in that, The bracket is located on the side plate of the main unit.

13. A hot air gun holder, characterized in that, include: The frame has a groove for holding the handle of the hot air gun; A locking mechanism, comprising a retaining member and a resetting member, wherein the retaining member is used to retain and fix the handle in the groove, and the resetting member is used to hold the retaining member in the position of retaining the handle.