阅读说明：本技术 非接触式电子激光点火器 (Non-contact electronic laser igniter ) 是由 蒙广军 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种非接触式电子激光点火器,在需要点火时手部握持所述壳体,按压所述开关件,从而启动所述激光器,通过所述激光器发出的激光,依次穿过所述第一透镜和所述第二透镜,激光焦点汇集在引火粉上产生热量实现点火,为使得激光焦点能够更好的聚集,此时可将所述套筒在所述壳体上转动,使得所述套筒朝向所述滑块的一端移动,从而带动所述抵持柱抵持所述滑块,使得所述滑块在所述延伸槽内朝向所述壳体的底部移动,进而带动所述第一透镜朝向所述第二透镜的方向移动,相对所述第二透镜距离发生改变,实现激光焦点变聚焦距调节,保证所述非接触式电子激光点火器射出的激光的焦点能够自由调节,从而提升用户体验感。(The invention discloses a non-contact electronic laser igniter, which is characterized in that a shell is held by a hand when the non-contact electronic laser igniter needs to be ignited, a switch piece is pressed, so that a laser is started, laser emitted by the laser sequentially passes through a first lens and a second lens, a laser focus is converged on ignition powder to generate heat to realize ignition, in order to enable the laser focus to be better gathered, at the moment, a sleeve can be rotated on the shell, so that the sleeve moves towards one end of a sliding block, a propping column is driven to prop against the sliding block, the sliding block moves towards the bottom of the shell in an extending groove, the first lens is driven to move towards the direction of the second lens, the distance of the laser focus is changed relative to the second lens, the adjustment of the variable focusing distance of the laser focus is realized, and the focus of the laser emitted by the non-contact electronic laser igniter can be freely adjusted, thereby improving the user experience.)

1. A non-contact electronic laser igniter is characterized in that,

the laser comprises a laser, a shell, a sleeve, a mounting disc, movable components, a sliding block, a first lens, a mounting ring, a second lens and a switch piece, wherein the shell is of a cavity structure, an extension groove and a threaded annular concave part are formed in the outer wall of the shell, the extension groove is positioned below the annular concave part, the laser is arranged in the shell, the sleeve is in threaded connection with the shell and sleeved outside the shell and positioned in the annular concave part, a mounting groove is formed in the bottom of the sleeve, the mounting disc is in clearance fit with the sleeve and arranged in the mounting groove, the number of the movable components is two, the two groups of movable components are symmetrically arranged in the annular concave part, each group of movable components comprises a supporting column and a sliding block, and one end of the supporting column is fixedly connected with the mounting disc, the other end of the abutting column is fixedly connected with one end of the sliding block, the other end of the sliding block penetrates through the extending groove and is fixedly connected with the first lens, the first lens is located in the shell, the mounting ring is fixedly connected with the shell and is located in the shell, the second lens is fixedly connected with the mounting ring and is located below the first lens, and the switch piece is arranged on the outer wall of the shell and is located above the annular concave portion.

2. The non-contact electronic laser igniter of claim 1 wherein,

each group of the movable assembly further comprises a first elastic piece, one end of the first elastic piece is fixedly connected with the shell, the other end of the first elastic piece is fixedly connected with the sliding block, and the first elastic piece is located in the annular concave part.

3. The non-contact electronic laser igniter of claim 2,

the non-contact electronic laser igniter further comprises a fixing ring, wherein the fixing ring is fixedly connected with the sleeve and is positioned outside the sleeve.

4. The non-contact electronic laser igniter of claim 3,

the fixing ring is provided with anti-skid lines.

5. The non-contact electronic laser igniter of claim 4,

the non-contact electronic laser igniter further comprises a limiting block, wherein the limiting block is fixedly connected with the shell, is positioned in the annular concave part and is positioned below the sleeve.

6. The non-contact electronic laser igniter of any one of claims 1 through 5,

the non-contact electronic laser igniter also comprises a protective glass, wherein the protective glass is fixedly connected with the shell, positioned in the shell and positioned below the second lens.

7. The non-contact electronic laser igniter of claim 6,

the non-contact electronic laser igniter further comprises a dustproof cover, wherein the dustproof cover is in threaded connection with the shell, and is sleeved at one end, close to the protective lens, of the shell.

8. The non-contact electronic laser igniter of claim 7,

the dust cover has a flange on an outer edge thereof.

Technical Field

The invention relates to the technical field of igniters, in particular to a non-contact electronic laser igniter.

Background

At present, the methods for exothermic welding ignition in the market are divided into two types, one is a flint type ignition gun which is required to be in contact with ignition powder and a welding reaction crucible, and the other is a wired electronic igniter which is required to be matched with a special exothermic welding flux for use. The main working principle is that an electric heating wire is integrated in the heat-releasing welding flux which is integrally packaged, the electric heating wire is connected with the welding flux through a cable, and after a power supply is switched on, the electric heating wire generates high temperature, so that the welding flux is ignited. But the existing electronic laser igniter brings poor experience to users.

Disclosure of Invention

The invention aims to provide a non-contact electronic laser igniter, and aims to solve the technical problem that the experience of a user is poor due to the electronic laser igniter in the prior art.

In order to achieve the above purpose, the non-contact electronic laser igniter adopted by the invention comprises a laser, a shell, a sleeve, a mounting disc, a movable assembly, a slider, a first lens, a mounting ring, a second lens and a switch piece, wherein the shell is internally provided with a cavity structure, the outer wall of the shell is provided with an extension groove and a threaded annular concave part, the extension groove is positioned below the annular concave part, the laser is arranged in the shell, the sleeve is in threaded connection with the shell, sleeved outside the shell and positioned in the annular concave part, the bottom of the sleeve is provided with a mounting groove, the mounting disc is in clearance fit with the sleeve and is arranged in the mounting groove, the number of the movable assemblies is two, the two movable assemblies are symmetrically arranged in the annular concave part, each movable assembly comprises a supporting column and a slider, one end of the abutting column is fixedly connected with the mounting disc, the other end of the abutting column is fixedly connected with one end of the sliding block, the other end of the sliding block penetrates through the extending groove and is fixedly connected with the first lens, the first lens is located in the shell, the mounting ring is fixedly connected with the shell and is located in the shell, the second lens is fixedly connected with the mounting ring and is located below the first lens, and the switch piece is arranged on the outer wall of the shell and is located above the annular concave portion.

Each group of movable assembly further comprises a first elastic piece, one end of the first elastic piece is fixedly connected with the shell, the other end of the first elastic piece is fixedly connected with the sliding block, and the first elastic piece is located in the annular concave part.

The non-contact electronic laser igniter further comprises a fixing ring, wherein the fixing ring is fixedly connected with the sleeve and is positioned outside the sleeve.

Wherein, the fixed ring is provided with anti-skid lines.

The non-contact electronic laser igniter further comprises a limiting block, wherein the limiting block is fixedly connected with the shell and is positioned in the annular concave part and below the sleeve.

The non-contact electronic laser igniter also comprises a protective lens, wherein the protective lens is fixedly connected with the shell, positioned in the shell and positioned below the second lens.

The non-contact electronic laser igniter further comprises a dustproof cover, wherein the dustproof cover is in threaded connection with the shell, and is sleeved at one end, close to the protective glass, of the shell.

Wherein the dust cover has a flange on an outer edge thereof.

The invention has the beneficial effects that: when ignition is needed, the shell is held by a hand, the switch piece is pressed, so that the laser is started, laser emitted by the laser sequentially penetrates through the first lens and the second lens, a laser focus is converged on ignition powder to generate heat to realize ignition, in order to enable the laser focus to be better gathered, the sleeve can be rotated on the shell to enable the sleeve to move towards one end of the sliding block, so that the abutting column is driven to abut against the sliding block, the sliding block moves towards the bottom of the shell in the extending groove, the first lens is driven to move towards the second lens, the first lens generates displacement, the distance relative to the second lens is changed, the variable focusing distance adjustment of the laser focus is realized, and the focus of the laser emitted by the non-contact electronic laser igniter can be freely adjusted according to different working conditions, thereby improving the user experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a non-contact electronic laser igniter of the invention.

Fig. 2 is a front view of a non-contact electronic laser igniter of the invention.

Fig. 3 is a sectional view of the a-a line structure of fig. 2.

Fig. 4 is an enlarged view of a portion of the structure of fig. 3.

1-laser, 2-shell, 21-switch piece, 22-extending groove, 23-annular depressed part, 24-accommodating groove, 25-placing groove, 3-sleeve, 31-installing groove, 32-fixing ring, 321-anti-slip pattern, 33-limiting block, 4-installing disc, 5-movable component, 51-abutting column, 52-sliding block, 53-first elastic piece, 6-sphere, 7-first lens, 8-installing ring, 9-second lens, 91-protective mirror, 92-dust cap, 921-flange, 10-support plate, 101-second elastic piece, 102-support column, 103-lithium battery and 104-charging port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, the present invention provides a non-contact electronic laser igniter, including a laser 1, a housing 2, a sleeve 3, a mounting disc 4, a movable assembly 5, a slider 52, a first lens 7, a mounting ring 8, a second lens 9 and a switch 21, where the interior of the housing 2 is a cavity structure, the outer wall of the housing 2 has an extending groove 22 and a threaded annular recess 23, the extending groove 22 is located below the annular recess 23, the laser 1 is disposed inside the housing 2, the sleeve 3 is in threaded connection with the housing 2, and is sleeved outside the housing 2 and located inside the annular recess 23, the bottom of the sleeve 3 has a mounting groove 31, the mounting disc 4 is in clearance fit with the sleeve 3 and is placed inside the mounting groove 31, the number of the movable assemblies 5 is two, the two groups of movable assemblies 5 are symmetrically arranged in the annular concave portion 23, each group of movable assemblies 5 comprises a supporting column 51 and a sliding block 52, one end of the supporting column 51 is fixedly connected with the mounting disc 4, the other end of the supporting column 51 is fixedly connected with one end of the sliding block 52, the other end of the sliding block 52 penetrates through the extension groove 22 and is fixedly connected with the first lens 7, the first lens 7 is located in the shell 2, the mounting ring 8 is fixedly connected with the shell 2 and is located in the shell 2, the second lens 9 is fixedly connected with the mounting ring 8 and is located below the first lens 7, and the switch member 21 is arranged on the outer wall of the shell 2 and is located above the annular concave portion 23.

In this embodiment, the laser 1 generates laser light, the inner wall of the sleeve 3 has threads, and the threads on the inner wall of the sleeve 3 are matched with the threaded annular recess 23, wherein the annular recess 23 is divided into an upper half and a lower half, only the upper half of which has threads, the mounting plate 4 is in clearance fit with the sleeve 3, the mounting plate 4 can rotate circumferentially, the switch 21 is in a button form, that is, when the switch 21 is pressed, the switch 21 is in a circuit connection state with the laser 1, when the switch 21 is released, the switch 21 and the laser 1 are in a circuit disconnection state, when ignition is needed, the housing 2 is held by hand, the switch 21 can be pressed while the housing 2 is held, so as to start the laser 1, and the laser light emitted by the laser 1, the laser light sequentially passes through the first lens 7 and the second lens 9, the laser focus is converged on the ignition powder to generate heat for ignition, in order to enable the laser focus to be better gathered, at the moment, the sleeve 3 can be rotated on the shell 2 by using fingers, so that the sleeve 3 moves towards one end of the sliding block 52, the abutting column 51 is driven to abut against the sliding block 52, the sliding block 52 moves towards the bottom of the shell 2 in the extension groove 22, the first lens 7 is driven to move towards the second lens 9, the first lens 7 is driven to move, the distance relative to the second lens 9 is changed, the variable focusing distance adjustment of the laser focus is realized, the focus of the laser light emitted by the non-contact electronic laser igniter can be freely adjusted according to different working conditions, and the laser focus can be adjusted according to the working conditions, gather and produce the heat and realize the ignition on the ignition powder to promote user experience and feel. And after the non-contact electronic laser igniter completes ignition, the user can stop holding the switch part 21, so that the laser 1 does not emit laser and stops working, the non-contact electronic laser igniter is smaller in size, laser focal length adjustment can be realized by one hand of the user, convenience is brought to the user, and user experience is improved.

Further, each set of the movable assemblies 5 further includes a first elastic member 53, one end of the first elastic member 53 is fixedly connected to the housing 2, the other end of the first elastic member 53 is fixedly connected to the sliding block 52, and the first elastic member 53 is located in the annular recess 23.

In this embodiment, the first elastic member 53 is a compression spring, when the sleeve 3 is rotated to move the sleeve 3 toward one end of the slider 52, so as to drive the abutting column 51 to abut against the slider 52, so that the slider 52 moves toward the bottom of the housing 2 in the extension slot 22, the slider 52 compresses the first elastic member 53, after the adjustment of the focus distance of the laser focus is realized and the ignition is completed, a user can reversely rotate the sleeve 3 to move the sleeve 3 toward one end away from the slider 52, under the action of the restoring force of the first elastic member 53, the first elastic member 53 abuts against the slider 52 to move toward one end close to the sleeve 3, and then resets to drive the first lens 7 to return to the original position, so that the distance between the first lens 7 and the second lens 9 can be adjusted again as required, convenience is brought to users, and the user experience is improved.

Further, the non-contact electronic laser igniter further comprises a fixing ring 32, wherein the fixing ring 32 is fixedly connected with the sleeve 3 and is located outside the sleeve 3. The fixing ring 32 has an anti-slip pattern 321.

In this embodiment, rotating sleeve 3, through the outside setting of sleeve 3 solid fixed ring 32 can make the user rotate gu fixed ring 32, gu fixed ring 32 rotates the drive sleeve 3 rotates, consequently makes its user rotate sleeve 3 is more convenient, the setting of antiskid line 321 can increase gu fixed ring 32 with frictional force between the human hand makes the user rotate gu it is light laborsaving during fixed ring 32, promotion user experience feels.

Further, the non-contact electronic laser igniter further comprises a limiting block 33, wherein the limiting block 33 is fixedly connected with the housing 2, is located inside the annular recess 23, and is located below the sleeve 3.

In this embodiment, the stopper 33 is configured to limit the moving position of the sleeve 3 when the sleeve moves toward the end close to the slider 52, so as to avoid the first lens 7 and the second lens 9 from colliding with each other.

Further, the non-contact electronic laser igniter further comprises a protective mirror 91, wherein the protective mirror 91 is fixedly connected with the housing 2, is located inside the housing 2, and is located below the second lens 9.

In the present embodiment, the protective mirror 91 is provided to prevent dust from entering the inside of the housing 2 and affecting the emission of laser light, thereby effectively protecting the first lens 7 and the second lens 9 from dust.

Further, the non-contact electronic laser igniter further comprises a dust cover 92, wherein the dust cover 92 is in threaded connection with the shell 2 and is sleeved at one end, close to the protective glass 91, of the shell 2.

In the present embodiment, when the contact type electronic laser igniter is not used, the dust cap 92 may be screwed to the housing 2 by a user to prevent dust from the protective glass 91.

Further, the dust cover 92 has a flange 921 on the outer edge.

In the present embodiment, when the user screws the dust cap 92, the flange 921 is provided to make the user more comfortable when screwing the dust cap 92.

Further, the non-contact electronic laser igniter further comprises a plurality of spheres 6, and the plurality of spheres 6 are disposed in the mounting groove 31.

In the present embodiment, a plurality of the balls 6 are disposed in the mounting groove 31, and the surface of each ball 6 is in contact with the mounting plate 4 and the sleeve 3, respectively, and each ball 6 can flexibly rotate in the mounting groove 31, so as to increase the flexibility of rotation between the mounting plate 4 and the sleeve 3, and make the rotation between the mounting plate 4 and the sleeve 3 smoother.

Further, the housing 2 is provided with a receiving groove 24 and a placing groove 25, the switch member 21 is arranged in the placing groove 25, the non-contact electronic laser igniter also comprises a support plate 10, a second elastic member 101, a support 102 and a lithium battery 103, one end of the support plate 10 is hinged with the shell 2, the other end of the support plate 10 is fixedly connected with the pillar 102, and the axial center lines of the support post 102 and the switch member 21 are all located on the same straight line, one end of the second elastic member 101 is fixedly connected with the housing 2, the other end of the second elastic member 101 is fixedly connected with the support plate 10, and the second elastic member 101 is positioned in the accommodating groove 24, the lithium battery 103 is disposed inside the housing 2, the lithium battery 103 is electrically connected with the laser 1, and the laser 1 is electrically connected with the switch 21.

In the present embodiment, by disposing the switch member 21 in the placing slot 25, a certain protection effect can be exerted on the switch member 21, the second elastic member 101 is a compression spring, the lithium battery 103 is a rechargeable battery, the bottom of the housing 2 is further provided with a charging port 104 electrically connected to the lithium battery 103, when the non-contact type electronic laser igniter is not used, the second elastic member 101 is in a natural state, the pillar 102 is not in contact with the switch member 21, when the non-contact type electronic laser igniter needs to be used, the housing 2 is held by a hand, when a hand force is applied to the pillar 10, and the second elastic member 101 is compressed, because one end of the pillar 10 is hinged to the housing 2, and one end of the pillar 10 close to the pillar 102 abuts against the switch member 21, at the moment, the laser 1 is started to emit laser, and meanwhile, a user can hold the shell 2 and simultaneously utilizes fingers to stir the fixing ring 32, so that the fixing ring 32 drives the sleeve 3 to rotate on the shell 2, further, the distance between the first lens 7 and the second lens 9 is changed, the adjustment of the variable focusing distance of a laser focus is realized, the focus of laser emitted by the non-contact electronic laser igniter can be freely adjusted according to different working conditions, and the user experience is improved. After the use is finished, a user only needs to no longer hold the housing 2 and abut against the support plate 10, and under the action of the self-restoring force of the second elastic member 101, one end of the support plate 10 close to the pillar 102 does not abut against the switch member 21, so that the switch member 21 is reset, and the laser 1 is turned off. The non-contact electronic laser igniter is simple to use and convenient to operate, and therefore the user experience is improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.