Hot air gun with protective structure
By designing a protective structure on the hot air gun with a sliding clamp inside the protective cylinder and a two-way threaded rod, the problems of inconvenient installation and poor heat dissipation are solved, achieving stable clamping and efficient heat dissipation, and improving the safety and lifespan of the equipment.
Patent Information
- Application Number
- CN202520196857.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing hot air gun protective devices suffer from problems such as inconvenient installation, insecure fixing, and poor heat dissipation, which affect safety and equipment lifespan.
The clamping plate is installed inside the protective cylinder and is threaded to the double-threaded rod on the outside of the clamping plate. Combined with the adjustment component and guide plate, it can achieve a stable clamping, and heat dissipation and cushioning are ensured by heat dissipation holes and spring structure.
This design achieves stable clamping of the protective structure, ensuring equipment safety, improving heat dissipation efficiency, and extending equipment lifespan.
Smart Images

Figure CN223741019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot -air gun protection technical field, specifically, relate to a kind of hot -air gun with protective structure. BACKGROUND
[0002] At present, in the use process of hot-air gun, the gun head is usually protected to avoid the operator from accidentally touching the high-temperature part and causing burns, and the protective structure also needs to be stably fixed on the gun head without affecting the normal heat dissipation and use of the hot-air gun. However, some existing hot-air gun protection devices have the problems of inconvenient installation, single structure leading to unstable fixation and poor heat dissipation effect. For example, some protective structures may need to be installed and removed with complex tools, which is cumbersome to operate; or they may loosen after being fixed, affecting the safety of use; some protective devices may hinder the heat dissipation of the hot-air gun, causing the equipment to overheat and affecting its service life and performance. SUMMARY
[0003] To make up for the above shortcomings, the utility model provides a hot-air gun with a protective structure to improve the problems of inconvenient installation, single structure leading to unstable fixation and poor heat dissipation effect of the protective device.
[0004] The utility model is implemented as follows: a hot-air gun with a protective structure includes a protective cylinder and a clamping plate, the clamping plate is symmetrically installed in the protective cylinder, a first side plate is symmetrically fixed and installed on the outer side of the clamping plate, a bidirectional threaded rod is rotatably installed on the inner wall of the protective cylinder, the first side plate is symmetrically screwed onto the bidirectional threaded rod, an adjusting assembly is installed on the bidirectional threaded rod, the clamping plate is semi-circular and has an anti-slip pad installed on its inner wall, and a plurality of heat dissipation holes are provided on the clamping plate.
[0005] In the preferred technical solution of the utility model, guide plates are symmetrically fixed and installed at both ends of the clamping plate, the guide plates are arc-shaped, the inner walls of the guide plates are inclined, and the two guide plates on each side are symmetrically arranged.
[0006] In the preferred technical solution of the utility model, a plurality of guide rods are fixedly installed on the inner wall of the protective cylinder, second side plates are symmetrically fixed and installed on the outer side of the clamping plate, the second side plates are slidably installed on the guide rods, the guide rods are symmetrically arranged on both sides of the bidirectional threaded rod, support columns are rotatably installed at both ends of the bidirectional threaded rod, and the support columns are fixedly connected with the inner wall of the protective cylinder.
[0007] In the preferred technical scheme of the utility model, the inner wall center of the clamping plate is provided with a first groove, a plurality of first springs are fixedly installed on the inner wall of the first groove, one end of the first spring is fixedly installed with a clamping strip, the clamping strip is slidably connected with the inner wall of the first groove, the inner wall of the clamping strip is matched with the inner wall of the clamping plate, and the clamping strip is made of antiskid material.
[0008] In the preferred technical scheme of the utility model, a plurality of second springs are fixedly installed between the outer side of the clamping plate and the inner wall of the protective cylinder, and the plurality of second springs are equidistantly arranged.
[0009] In the preferred technical scheme of the utility model, the adjusting assembly comprises a third side plate, a gear, a rack and a pull ring, two groups of third side plates are fixedly installed on the inner wall of the protective cylinder in a symmetrical mode, each group of third side plates comprises two third side plates, a guide rod is fixedly installed between the two third side plates of each group, a support strip is slidably installed on the guide rod, the rack is fixedly installed on one side of the support strip, the gear is fixedly installed on the upper portion of the bidirectional threaded rod, the gear is meshedly connected with the rack, the pull ring is slidably installed on the outer side of the protective cylinder, connecting blocks are fixedly installed on the inner wall of the pull ring in a symmetrical mode, the connecting blocks penetrate through the protective cylinder and are fixedly connected with one side of the support strip, strip-shaped holes matched with the connecting blocks are arranged on the outer side of the protective cylinder in a symmetrical mode, and the connecting blocks are slidably connected with the inner wall of the strip-shaped holes.
[0010] In the preferred technical scheme of the utility model, the threads on the two bidirectional threaded rods are arranged in a symmetrical mode, so that the two clamping plates are relatively moved when the two bidirectional threaded rods are relatively rotated.
[0011] In the preferred technical scheme of the utility model, an arc-shaped groove is formed in the inner wall of the pull ring, a first threaded rod is threadedly installed on the pull ring, a rotary disc is fixedly installed at one end of the first threaded rod, a clamping block is rotatably installed at the other end of the first threaded rod, and the clamping block is attached to the outer side of the protective cylinder.
[0012] The utility model discloses the beneficial effect is:
[0013] Stable clamping: through the clamping plate that the protective cylinder is symmetrically slidably installed, the first side plate on the outer side of the clamping plate is threadedly matched with the bidirectional threaded rod, the bidirectional threaded rod is rotated by adjusting assembly, the stable clamping of the clamping plate to the hot air gun head is realized, and the loosening or displacement of the protective structure in the use process is effectively prevented.
[0014] Auxiliary guiding and heat dissipation: the arc-shaped guide plate that the inner wall is inclined is arranged on both ends of the clamping plate in a symmetrical mode, the hot air gun head is convenient for entering between the clamping plates, and a plurality of heat dissipation holes help the heat dissipation of the hot air gun during use, so that the normal operation of the equipment is guaranteed, and the service life is prolonged.
[0015] Stable sliding and buffering: the guide rod in the inner wall of the protective cylinder and the second side plate outside the clamping plate slide together, making the sliding of the clamping plate more stable; the multiple equidistantly arranged second springs between the outer side of the clamping plate and the inner wall of the protective cylinder have a buffering effect, reducing the influence of external collision on the hot air gun.
[0016] Enhanced clamping force and anti-skid: the first spring in the groove in the center of the inner wall of the clamping plate and the clamping strip are pressed when the clamping plate clamps the gun head, the clamping strip is in close contact with the gun head, further enhancing the clamping force, and the clamping strip is made of anti-skid material to prevent the gun head from sliding.
[0017] Convenient adjustment and fixation: the pull ring, gear, rack and other structures in the adjustment assembly can realize the adjustment of the clamping plate by rotating the bidirectional threaded rod through pulling the pull ring, and the arc-shaped groove on the pull ring, the first threaded rod, the rotating disc and the clamping block can fix the pull ring after the position of the clamping plate is adjusted, preventing accidental sliding. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 is a structural schematic diagram of a hot air gun with a protective structure provided by the embodiments of the present application;
[0020] Figure 2 is a sectional view of a protective cylinder provided by the embodiments of the present application;
[0021] Figure 3 is an internal top view structural schematic diagram of a protective cylinder provided by the embodiments of the present application;
[0022] Figure 4 is a sectional view of a clamping plate provided by the embodiments of the present application;
[0023] Figure 5 is a structural schematic diagram of an adjustment assembly provided by the embodiments of the present application.
[0024] In the drawings: 110-protective cylinder; 120-clamping plate; 121-first side plate; 122-bidirectional threaded rod; 123-heat dissipation hole; 124-guide plate; 125-guide rod; 126-second side plate; 127-first spring; 128-clamping strip; 129-second spring; 130-third side plate; 131-gear; 132-rack; 133-pull ring; 134-guide rod; 135-supporting strip; 136-first threaded rod; 137-rotating disc. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Please refer to Figures 1-4 The utility model provides technical scheme: a hot air gun with protection structure, including protection cylinder 110 and clamping plate 120, its characterized in that, symmetrical sliding installation clamping plate 120 in protection cylinder 110, the first lateral plate 121 is fixedly installed on the outside of clamping plate 120, the double -sided thread rod 122 is rotatably installed on the inner wall of protection cylinder 110, the first lateral plate 121 is screw -threaded on the double -sided thread rod 122, and the double -sided thread rod 122 is installed with adjusting assembly, clamping plate 120 is half -round shape setting and installs antiskid pad in inner wall, be provided with a plurality of heat dissipation holes 123 on clamping plate 120.
[0027] In some specific embodiments, the two ends of the clamping plate 120 are symmetrically fixedly installed with guide plates 124, the guide plates 124 are arc-shaped, and the inner walls of the guide plates 124 are inclined. The two guide plates 124 on each side are symmetrically arranged. When the protection cylinder 110 is installed to the hot air gun head, the guide plates 124 can play a guiding role, so that the head is more easily entered into the clamping position between the clamping plates 120, facilitating the installation operation of the protection structure and improving the installation efficiency.
[0028] In some specific embodiments, a plurality of guide rods 125 are fixedly installed on the inner wall of the protection cylinder 110, and second lateral plates 126 are symmetrically fixedly installed on the outer side of the clamping plate 120. The second lateral plates 126 are slidingly installed on the guide rods 125. The guide rods 125 are symmetrically arranged on both sides of the double -sided thread rod 122. The double -sided thread rod 122 is rotatably installed on the support column at both ends. The support column is fixedly connected with the inner wall of the protection cylinder 110. The guide rods 125 provide accurate guidance for the sliding of the clamping plate 120, so that the clamping plate 120 can only stably slide along a straight line under the driving of the double -sided thread rod 122, without deviation or shaking, thereby ensuring the accuracy and stability of the clamping of the hot air gun head by the clamping plate 120, and facilitating better protection of the head.
[0029] In some specific embodiments, the inner wall of the clamping plate 120 is provided with a first groove in the center, a plurality of first springs 127 are fixedly installed in the inner wall of the first groove, one end of the first spring 127 is fixedly installed with a clamping strip 128, the clamping strip 128 is in sliding connection with the inner wall of the first groove, the inner wall of the clamping strip 128 matches the inner wall of the clamping plate 120, the clamping strip 128 is made of anti-skid material, when the clamping plate 120 clamps the hot air gun head, the clamping strip 128 will adaptively adjust according to the shape of the gun head, tightly fit the surface of the gun head under the action of the first spring 127, further increase the friction with the gun head, effectively prevent the gun head from rotating or loosening during use, and improve the reliability of the protection structure for clamping the gun head.
[0030] In some specific embodiments, a plurality of second springs 129 are fixedly installed between the outer side of the clamping plate 120 and the inner wall of the protective cylinder 110, and the plurality of second springs 129 are equidistantly arranged. If the protective cylinder 110 is externally collided or slightly extruded, the second spring 129 can play a buffering role, absorb part of the impact force, reduce the influence on the hot air gun head and the internal structure, protect the hot air gun to a certain extent, and prolong its service life.
[0031] Please refer to Figure 4 and Figure 5 , the adjusting assembly includes a third side plate 130, a gear 131, a rack 132 and a pull ring 133, two groups of third side plates 130 are fixedly installed on the inner wall of the protective cylinder 110, each group has two third side plates 130, a guide rod 134 is fixedly installed between the two third side plates 130 of each group, a support strip 135 is slidingly installed on the guide rod 134, the rack 132 is fixedly installed on one side of the support strip 135, the gear 131 is fixedly installed on the upper end of the bidirectional threaded rod 122, the gear 131 and the rack 132 are in meshing connection, the pull ring 133 is slidingly installed on the outer side of the protective cylinder 110, a connecting block is fixedly installed on the inner wall of the pull ring 133, the connecting block penetrates through the protective cylinder 110 and is fixedly connected with one side of the support strip 135, the outer side of the protective cylinder 110 is provided with a strip-shaped hole matched with the connecting block, and the connecting block and the inner wall of the strip-shaped hole are in sliding connection.
[0032] In some specific embodiments, an arc-shaped groove is arranged on the inner wall of the pull ring 133, a first threaded rod 136 is threadedly installed on the pull ring 133, a turntable 137 is fixedly installed at one end of the first threaded rod 136, a clamping block is rotatably installed at the other end of the first threaded rod 136, the clamping block is in abutting connection with the outer side of the protective cylinder 110, and the clamping block extrudes and fixes the outer side of the protective cylinder 110, which can effectively prevent the pull ring 133 from sliding accidentally and causing the clamping plate 120 to loosen, further ensuring the stability of the protection structure during use, and avoiding affecting the protection effect due to misoperation.
[0033] Working principle: when using, the protective cylinder 110 is sleeved on the head of the hot air gun, the pull ring 133 is pushed to drive the supporting strip 135 to move, the supporting strip 135 moves to drive the bidirectional threaded rod 122 to rotate through the rack 132 and the gear 131, the bidirectional threaded rod 122 rotates to drive the two clamping plates 120 to move relatively to its inner wall to hold and fix the head of the hot air gun, meanwhile, the clamping strip 128 moves to the first groove and extrudes the first spring 127, finally, the rotating disc 137 is rotated to drive the first threaded rod 136 to rotate, the first threaded rod 136 rotates to drive the clamping block to move to extrude and fix the outside of the protective cylinder 110, when disassembling, the above method is used to disassemble.
[0034] The preferred embodiments of the present application have been described above, but the present application is not limited to the above, and can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A hot air gun having a protective structure, comprising a protective cylinder and a clamp plate, characterized in that, The clamping plate is symmetrically slidably installed in the protective cylinder, a first side plate is symmetrically fixedly installed outside the clamping plate, a bidirectional threaded rod is symmetrically rotatably installed on the inner wall of the protective cylinder, the first side plate is symmetrically threadedly installed on the bidirectional threaded rod, an adjusting assembly is installed on the bidirectional threaded rod, the clamping plate is semi-circular and is provided with an antiskid pad on the inner wall, and a plurality of heat dissipation holes are formed in the clamping plate.
2. The hot air gun with a protective structure according to claim 1, characterized in that, Symmetrically fixed guiding plates are installed at the two ends of the clamping plate, the guiding plates are arc-shaped, and the inner wall of the guiding plate is inclined.
3. The hot air gun with a protective structure according to claim 1, characterized in that, A plurality of guide rods are fixedly installed on the inner wall of the protective cylinder, and a second side plate is symmetrically fixedly installed outside the clamping plate.
4. The hot air gun with a protective structure according to claim 1, characterized in that, A first groove is formed in the center of the inner wall of the clamping plate, a plurality of first springs are fixedly installed on the inner wall of the first groove, and a clamping strip is fixedly installed at one end of the first spring.
5. The hot air gun with a protective structure according to claim 1, wherein A plurality of second springs are fixedly installed between the outer side of the clamping plate and the inner wall of the protective cylinder.
6. The hot air gun with a protective structure according to claim 1, wherein The adjusting assembly comprises a third side plate, a gear, a rack and a pull ring, two groups of the third side plate are symmetrically fixedly installed on the inner wall of the protective cylinder, each group of the third side plate comprises two third side plates, a guide rod is fixedly installed between the two third side plates in each group, a support strip is slidably installed on the guide rod, the rack is fixedly installed on one side of the support strip, the gear is fixedly installed on the bidirectional threaded rod, the gear and the rack are in meshing connection, the pull ring is slidably installed outside the protective cylinder, a connecting block is symmetrically fixedly installed on the inner wall of the pull ring, the connecting block penetrates through the protective cylinder and is fixedly connected with one side of the support strip.
7. The hot air gun with a protective structure according to claim 1, characterized in that, The threads on the two bidirectional threaded rods are symmetrically arranged.
8. The hot air gun with a protective structure according to claim 6, characterized in that, An arc-shaped groove is formed in the inner wall of the pull ring, a first threaded rod is threadedly installed on the pull ring, a rotary disc is fixedly installed at one end of the first threaded rod, and a clamping block is rotatably installed at the other end of the first threaded rod.