CN219103327U

CN219103327U - Quick-dismantling hot air gun

Info

Publication number: CN219103327U
Application number: CN202223554024.0U
Authority: CN
Inventors: 许伟忠; 李蓁
Original assignee: Changzhou Wujin Great Wall Tools Co ltd
Current assignee: Changzhou Wujin Great Wall Tools Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of hot air guns, and particularly relates to a quick-dismantling hot air gun, which comprises a shell, wherein a hot air pipe is arranged in the shell, a nozzle is detachably arranged at the front end of the hot air pipe, a pushing-out piece for pushing out the nozzle is slidably arranged between the inner peripheral wall of the shell and the outer peripheral wall of the hot air pipe, the pushing-out piece comprises a pushing-out section, a connecting section and a driving section which are sequentially connected from front to back, a flange is formed at the rear end of the nozzle in an outward extending mode, and the cross section of the pushing-out section is round matched with the flange; according to the utility model, the pushing force is applied by the driving section of the pushing-out piece, the pushing-out section with a circular structure is propped against the flange at the rear end of the nozzle to push out the nozzle, scalding caused by manual disassembly can be avoided, the flange has a certain width, and the contact area between the pushing-out section and the flange is large when the pushing-out section is propped against the flange, so that the sliding-out is difficult.

Description

Quick-dismantling hot air gun

Technical Field

The utility model belongs to the technical field of heat guns, and particularly relates to a quick-dismantling heat gun.

Background

The hot air gun comprises a hot air pipe and a nozzle positioned at the front end of the hot air pipe, hot air in the hot air pipe is sprayed out through the nozzle, and the nozzles with different specifications are required to be adopted corresponding to different types of objects, so that the nozzle is detachably connected with the hot air pipe, and the temperature of the nozzle is higher when the hot air in the hot air pipe is sprayed out through the nozzle, so that the nozzle is also higher, and the nozzle is easy to scald when being manually detached.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the problem that the nozzle is easy to scald when being manually disassembled in the prior art, the quick-disassembly hot air gun is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme: the quick-dismantling hot air gun comprises a shell, wherein a hot air pipe is arranged in the shell, a nozzle is detachably arranged at the front end of the hot air pipe, hot air in the hot air pipe is sprayed out from the nozzle, a push-out piece for pushing out the nozzle is slidably arranged between the inner peripheral wall of the shell and the outer peripheral wall of the hot air pipe, the push-out piece comprises a push-out section, a connecting section and a driving section which are sequentially connected from front to back, the driving section is used for applying thrust, and the driving section is positioned at the rear end and far away from the nozzle, so that the hot air gun cannot be scalded; the nozzle rear end outwards extends to form the flange, the ejecting section cross section is circular with flange assorted, and both laminate completely for the thrust that acts on the nozzle is more even, and the nozzle is a annular tubulose, and the wall thickness is less, and when ejecting section directly acted on the nozzle, both area of contact is less, easily slippage, and the flange has certain width, ejecting section and flange laminating, and both area of contact are great, difficult slippage.

According to the technical scheme, the driving section of the pushing-out piece is utilized to apply thrust, the pushing-out section of the circular structure is propped against the flange at the rear end of the nozzle to push out the nozzle, scalding caused by manual disassembly can be avoided, the flange has a certain width, and the contact area between the pushing-out section and the flange is large when the pushing-out section and the flange are propped against, so that the pushing-out section is not easy to slip.

Further, the pushing section is protruded forward to form a plurality of pushing protrusions, the pushing protrusions are distributed circumferentially, the pushing protrusions are in contact with the nozzle, the required pushing force is small due to the fact that the contact area of the pushing protrusions and the nozzle is small, the pushing force acting on the nozzle is more uniform due to the fact that the pushing protrusions distributed circumferentially are arranged circumferentially, and the fact that the nozzle is pushed out partially can be avoided.

Further, the rear end of the nozzle is provided with a plurality of grooves along the axial direction, the grooves are circumferentially distributed, and the grooves penetrate through the end face of the rear end of the nozzle; the grooves can enable the rear end of the nozzle to have certain elasticity, so that the elastic assembly of the nozzle and the hot air pipe is realized.

Further, the drive section upwards buckles from the linkage segment rear end, and the cover is equipped with the drive piece on the drive section, the drive piece includes vertical section and horizontal section, the cross-sectional area of vertical section is less than the cross-sectional area of horizontal section, the spout has been seted up to the shell, the spout is the ladder groove, and it includes big groove and minislot, vertical section sliding connection in the minislot, horizontal section sliding connection in big inslot, the ladder groove is with the drive piece card in it to can avoid the drive piece to fall out.

Further, the transverse section is of an arc-shaped structure to be matched with the shell of the arc-shaped structure.

Further, the bottom of the driving piece protrudes downwards to form a sliding section, the bottom surface of the sliding section is a plane, and the bottom surface of the plane structure is more stable when sliding in the large groove.

Further, the two sides of the transverse section perpendicular to the movement direction of the transverse section are outwards protruded with positioning protrusions, a plurality of positioning grooves matched with the positioning protrusions are correspondingly formed in the groove walls of the large grooves, the positioning protrusions are embedded into the positioning grooves, the push-out piece can be prevented from moving in the sliding groove when not receiving pushing force, and the two deformation grooves are symmetrically formed in the transverse section, so that the transverse section has a certain deformation space, and the positioning protrusions can enter or separate from the positioning grooves.

Further, the groove wall of the positioning groove gradually inclines outwards from the groove bottom to the direction of the groove opening, namely the cross section area of the positioning groove gradually becomes larger from the groove bottom to the direction of the groove opening, which is favorable for separating the positioning bulge from the current positioning groove to perform forward and backward movement.

Furthermore, the connecting section is outwards extended to form a guide section perpendicular to the two sides of the connecting section in the moving direction, a guide groove for sliding the guide section is formed in the shell, and the guide groove can guide and support the pushing-out piece.

Further, the pushing-out section, the connecting section and the driving section are integrally formed, so that the structural strength of the pushing-out piece is improved.

The beneficial effects of the utility model are as follows: according to the utility model, the pushing force is applied by the driving section of the pushing-out piece, the pushing-out section with a circular structure is propped against the flange at the rear end of the nozzle to push out the nozzle, scalding caused by manual disassembly can be avoided, the flange has a certain width, and the contact area between the pushing-out section and the flange is large when the pushing-out section is propped against the flange, so that the sliding-out is difficult.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model with the ejector member and the driver member removed;

FIG. 4 is a three-dimensional view of an ejector;

FIG. 5 is a three-dimensional view of a driving member;

FIG. 6 is a three-dimensional view of a nozzle;

in the figure:

1. a housing; 101. a large groove; 102. a small groove; 103. a guide groove; 104. a positioning groove;

2. a nozzle; 201. a flange; 202. a groove;

3. a hot air pipe;

4. a push-out member; 401. a push-out section; 4011. pushing and pressing the bulge; 402. a connection section; 4021. a guide section; 403. a drive section;

5. a driving member; 501. a longitudinal section; 502. a transverse section; 5021. positioning the bulge; 5022. a deformation groove; 503. a sliding section.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only those features which are relevant to the utility model, and orientation and reference (e.g., up, down, left, right, etc.) may be used solely to aid in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-6, the utility model relates to a quick-dismantling hot air gun, which comprises a shell 1, wherein a hot air pipe 3 is arranged in the shell 1, a nozzle 2 is detachably arranged at the front end of the hot air pipe 3, hot air in the hot air pipe 3 is sprayed out from the nozzle 2, a plurality of grooves 202 are formed in the rear end of the nozzle 2 along the axial direction of the nozzle, the grooves 202 are circumferentially distributed, the grooves 202 penetrate through the end face of the rear end of the nozzle 2, and the grooves 202 can enable the rear end of the nozzle 2 to have certain elasticity so as to realize the elastic assembly of the nozzle 2 and the hot air pipe 3.

A pushing-out piece 4 for pushing out the nozzle 2 is slidably mounted between the inner peripheral wall of the casing 1 and the outer peripheral wall of the hot air pipe 3, and the pushing-out piece 4 comprises a pushing-out section 401, a connecting section 402 and a driving section 403 which are sequentially connected from front to back, and the three sections are integrally formed, so that the structural strength of the pushing-out piece 4 is improved.

The driving section 403 is used for applying thrust, and the driving section 403 is positioned at the rear end and far away from the nozzle 2, so that no scald is caused; the driving section 403 is bent upwards from the rear end of the connecting section 402, the driving section 403 is sleeved with a driving piece 5, the driving piece 5 comprises a longitudinal section 501 and a transverse section 502, and the transverse section 502 is of an arc-shaped structure and is matched with the shell 1 of the arc-shaped structure; the cross-sectional area of vertical section 501 is less than the cross-sectional area of horizontal section 502, the spout has been seted up to shell 1, the spout is the ladder groove, and it includes big groove 101 and little groove 102, and vertical section 501 sliding connection is in little groove 102, and horizontal section 502 sliding connection is in big groove 101, and the ladder groove is with driver 5 card in it to can avoid driver 5 to fall out, horizontal section 502 bottom downward bulge has sliding section 503, sliding section 503 bottom surface is the plane, and planar structure's bottom surface is more stable when sliding in big groove 101.

The two sides of the transverse section 502 perpendicular to the movement direction of the transverse section are outwards protruded with positioning protrusions 5021, a plurality of positioning grooves 104 matched with the positioning protrusions 5021 are correspondingly formed in the groove wall of the large groove 101, the positioning protrusions 5021 are embedded into the positioning grooves 104, the push-out piece 4 can be prevented from moving in the sliding groove when not pushed, and two deformation grooves 5022 are symmetrically formed in the transverse section 502, so that the transverse section 502 has a certain deformation space, and the positioning protrusions 5021 can enter or separate from the positioning grooves 104. The groove wall of the positioning groove 104 gradually inclines outwards from the groove bottom to the groove opening, namely the cross section area of the positioning groove 104 gradually increases from the groove bottom to the groove opening, which is favorable for separating the positioning protrusion 5021 from the current positioning groove 104 to perform forward and backward movement.

The flange 201 is formed by extending the rear end of the nozzle 2 outwards, the cross section of the pushing section 401 is round matched with the flange 201, the pushing section 401 and the flange 201 are completely attached, so that the thrust acting on the nozzle 2 is more uniform, the nozzle 2 is in a ring-shaped tubular shape, the wall thickness is smaller, when the pushing section 401 directly acts on the nozzle 2, the contact area of the pushing section 401 and the nozzle 2 is smaller, the pushing section and the nozzle are easy to slip, the flange 201 has a certain width, the pushing section 401 and the flange 201 are attached, the contact area of the pushing section 401 and the flange is larger, and the pushing section and the flange are difficult to slip.

The pushing section 401 is provided with a plurality of pushing projections 4011 in a protruding mode, the pushing projections 4011 are distributed in a circumferential mode, the pushing projections 4011 are in contact with the nozzle 2, the required pushing force is small due to the fact that the contact area of the pushing projections 4011 and the pushing projections is small, the pushing force acting on the nozzle 2 is more uniform due to the fact that the pushing projections 4011 distributed in the circumferential mode are used for enabling the pushing force to be more uniform, and the fact that the nozzle 2 is pushed out partially can be avoided.

The connecting section 402 extends outwards perpendicular to the two sides of the moving direction to form a guiding section 4021, a guiding groove 103 for sliding the guiding section 4021 is arranged in the casing 1, and the guiding groove 103 can guide and support the pushing-out piece 4.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A quick detach hot air gun, its characterized in that: including shell (1), shell (1) internally mounted has hot-blast main (3), hot-blast main (3) front end demountable installation has nozzle (2), slidable mounting has between the inner peripheral wall of shell (1) and the outer peripheral wall of hot-blast main (3) to be used for ejecting piece (4) of nozzle (2), ejecting piece (4) are including ejecting section (401), link (402) and drive section (403) that connect gradually from front to back, nozzle (2) rear end outwards extends and is formed with flange (201), ejecting section (401) cross section is circular with flange (201) assorted, drive section (403) are used for exerting thrust.

2. The quick release heat gun of claim 1, wherein: the pushing section (401) is protruded forward by a plurality of pushing protrusions (4011), and the pushing protrusions (4011) are circumferentially distributed.

3. The quick release heat gun of claim 1, wherein: the rear end of the nozzle (2) is provided with a plurality of grooves (202) along the axial direction of the nozzle, the grooves (202) are circumferentially distributed, and the grooves (202) penetrate through the end face of the rear end of the nozzle (2).

4. The quick release heat gun of claim 1, wherein: the utility model discloses a drive section (403), including casing (1), casing (1) are provided with casing (102), drive section (403) are upwards buckled from the back, and the cover is equipped with drive piece (5) on drive section (403), drive piece (5) are including vertical section (501) and horizontal section (502), the cross-sectional area of vertical section (501) is less than the cross-sectional area of horizontal section (502), the spout has been seted up to shell (1), the spout is the ladder groove, and it includes big groove (101) and little groove (102), and vertical section (501) sliding connection is in little groove (102), and horizontal section (502) sliding connection is in big groove (101).

5. The quick release heat gun of claim 4, wherein: the transverse section (502) is of an arc-shaped structure.

6. The quick release heat gun of claim 4, wherein: the bottom of the driving part (5) is downwards protruded with a sliding section (503), and the bottom surface of the sliding section (503) is a plane.

7. The quick release heat gun of claim 4, wherein: the two sides of the transverse section (502) perpendicular to the movement direction of the transverse section are outwards protruded with positioning protrusions (5021), a plurality of positioning grooves (104) matched with the positioning protrusions (5021) are correspondingly formed in the groove wall of the large groove (101), and two deformation grooves (5022) are symmetrically formed in the transverse section (502).

8. The quick release heat gun of claim 7, wherein: the groove wall of the positioning groove (104) gradually inclines outwards from the groove bottom to the groove opening.

9. The quick release heat gun of claim 1, wherein: the connecting section (402) is perpendicular to the two sides of the connecting section in the moving direction and extends outwards to form a guide section (4021), and a guide groove (103) for the guide section (4021) to slide is formed in the shell (1).

10. The quick release heat gun of claim 1, wherein: the pushing section (401), the connecting section (402) and the driving section (403) are integrally formed.