WO2021033357A1

WO2021033357A1 - Illumination device for handheld apparatus and handheld apparatus

Info

Publication number: WO2021033357A1
Application number: PCT/JP2020/009981
Authority: WO
Inventors: 拓真池田; 浩之鬼塚; 貴広小野; 太治小野山
Original assignee: オムロン株式会社
Priority date: 2019-08-21
Filing date: 2020-03-09
Publication date: 2021-02-25
Also published as: JP2021030342A

Abstract

The present invention realizes an illumination device for a handheld apparatus, the illumination device configured so that: there is no optical axis offset in the illumination device itself nor optical axis offset between the illumination device and a housing of an attached apparatus; and parts can be exchanged. An illumination device (1) is attached to a housing of a handheld apparatus. The illumination device (1) comprises: an LED substrate (2) having installed thereon an LED (3); and a substrate attachment fitting (10) to which the LED substrate (2) is attached, and that attaches the LED substrate (2) to the housing. The substrate attachment fitting (10) includes, in an integrated manner: an engagement retention part (11) that is engaged with the LED substrate (2) and that detachably retains the same; and a lens unit (12). The engagement retention unit (11) has tab pieces (13), and retains the LED substrate (2) by engaging with the LED substrate (2), in a state where the optical axis of the LED (3) is aligned with the optical axis of the lens unit (12). The lens unit (12) fits an opening for illumination formed in the housing by concave/convex fitting, and has a positioning function in relation to the housing.

Description

Lighting equipment for handheld equipment and handheld equipment

The present invention relates to a lighting device for a hand-held device, which is mounted on the hand-held device as an additional function other than the original function of the device, and a hand-held device equipped with the lighting device.

Conventionally, some power tools and the like as handheld devices have a lighting function as an additional function in order to enable work in a dark place. For example, Patent Document 1 describes a motor that drives a tip tool, a housing that holds the motor, and an LED light unit (lighting device for handheld devices) that is attached to the housing and illuminates the tip tool and the vicinity of the tip tool. The power tools to be provided are listed. The LED light unit includes an LED substrate on which an LED is mounted and is provided in a housing. The LED substrate is arranged in the accommodation space of the housing in which the lens is integrally formed, and the accommodation space is filled with a transparent resin.

Japanese Patent Publication "Japanese Patent Laid-Open No. 2013-39654"

In the configuration of Patent Document 1, by filling the accommodation space with transparent resin, the LED and the lens on the housing side are held in a state where the optical axes are aligned. However, in such a configuration, the interface between the LED substrate and the transparent resin, the interface between the transparent resin and the housing, or both may be peeled off due to the influence of the heat generated from the LED. When peeling occurs, the optical axis of the LED and the lens on the housing side shifts, and the irradiation position deviates from the original position. Further, in such a configuration, since the LED light unit cannot be disassembled, even if a defect occurs in the LED board, the harness, or the like, it is not possible to deal with it by replacing parts.

Further, Patent Document 1 does not specifically describe the attachment of the LED light unit to the housing. Therefore, it is assumed that the position of the LED light unit with respect to the housing may shift due to impact or vibration. If the position of the LED light unit with respect to the housing shifts, the irradiation position shifts from the original position even if the LED light unit itself does not have an optical axis shift (optical axis shift between the LED and the lens on the housing side).

In a handheld device, if the irradiation position deviates from the original position, it will affect the work performed in the dark using the device's original functions.

One aspect of the present invention has been made in view of the above problems, and an object of the present invention is that neither the optical axis deviation of the lighting device itself nor the optical axis deviation from the housing on the side of the device to be attached occurs, and parts replacement is also possible. It is to realize a lighting device for a handheld device and a handheld device that are possible.

In order to solve the above problems, the lighting device for a handheld device according to one aspect of the present invention is mounted on a handheld device provided with a function executing unit that executes the original function of the device, and corresponds to the function executing unit. A lighting device for a hand-held device that illuminates an irradiation position, wherein the illuminant substrate attached to the housing of the hand-held device and equipped with a light emitter and the illuminant substrate to which the illuminant substrate is mounted A board mounter to be attached to the housing is provided, and the board mounter includes an engagement holding portion that engages with and detachably holds the light emitting body substrate, and a lens portion that receives light from the light emitting body. The engagement holding portion holds the illuminant substrate in a state where the optical axis of the illuminant is aligned with the optical axis of the lens portion, and the lens portion is formed in the housing. It fits unevenly into the lighting opening and has a positioning function for the housing.

According to one aspect of the present invention, neither the optical axis shift of the lighting device itself nor the optical axis shift between the lighting device itself and the housing on the side of the device to be mounted occurs, and the lighting device for a handheld device capable of replacing parts and the handheld device. It is possible to realize a formal device.

It is a perspective view which shows the appearance of the lighting apparatus of embodiment. It is an exploded perspective view of the said lighting apparatus. It is a top view of the lighting device. FIG. 3 is a cross-sectional view taken along the line AA of FIG. It is a perspective view of the substrate attachment of the said lighting apparatus. It is a perspective view which shows the main part of the housing of the handheld device on which the said lighting device is mounted. It is a perspective view which shows the state which the said lighting device is attached to the housing shown in FIG. It is a perspective view of the electric tool as a hand-held device equipped with the said lighting device. It is a side sectional view of the said power tool. FIG. 9 is an enlarged view showing a portion surrounded by a broken line in FIG.

Hereinafter, an embodiment according to one aspect of the present disclosure (hereinafter, also referred to as “the present embodiment”) will be described with reference to the drawings.

§1 Application example First, using FIG. 1, FIG. 2, FIG. 3, FIG. 6, FIG. 8, and FIG. 9, the handheld device lighting device 1 of the present disclosure and the handheld device equipped with the lighting device 1 An example will be described.

As shown in FIGS. 8 and 9, the lighting device 1 is mounted on an electric tool 100 as a hand-held device including a tip tool 101 as a function executing unit that executes the original function of the device and a motor 103 for driving the tip tool 101. Will be done. The lighting device 1 illuminates the irradiation position corresponding to the tip tool 101. The lighting device 1 is attached to the housing 50 of the power tool 100. The tip tool 101 includes a drill bit, a driver bit, a socket bit, and the like, and can be replaced.

As shown in FIGS. 1 to 3, the lighting device 1 includes an LED substrate 2 on which the LED 3 as a light emitting body is mounted, and a substrate mounting tool 10 on which the LED substrate 2 is mounted and the mounted LED substrate 2 is attached to the housing 50. And. The substrate mounting tool 10 is integrally provided with an engaging holding portion 11 that engages with and detachably holds the LED substrate 2 and a lens portion 12 that irradiates the irradiation position with light from the LED 3. The engagement holding portion 11 holds the LED substrate 2 in a state where the optical axis of the LED 3 is aligned with the optical axis of the lens portion 12. The lens portion 12 is adapted to be unevenly fitted to the illumination opening 51 formed in the housing 50, and has a positioning function with respect to the housing 50.

With such a configuration, the lighting device 1 is less likely to be affected by heat, the optical axis of the lighting device itself is less likely to shift, and parts can be replaced when the light emitting body substrate is defective. Become. Further, since the lens unit 12 itself is used for positioning with the housing 50, it is possible to reliably prevent the optical axis from shifting between the lighting device 1 and the housing 50. As a result, neither the optical axis shift of the lighting device itself nor the optical axis shift between the lighting device itself and the housing on the side of the device to be mounted occurs, and parts can be replaced.

Such a lighting device 1 can also be mounted on an electric tool such as an electric jigsaw, an air nail gun, an air nail remover, and an air cutter. In the case of electric jigsaws, air nail guns, air nail guns, and air cutters, the jigsaw, air nailer, air nailer, air cutter, and the drive that drives them perform the original functions of the power tool. Corresponds to the function execution part. In addition, the lighting device 1 may be attached to a handy type vacuum cleaner so as to irradiate the tip of the suction nozzle.

Since the lighting device 1 does not shift the optical axis of the lighting device itself or the optical axis with the housing on the side of the device to which it is attached, it is resistant to vibration and is suitably mounted on a vibrating handheld device such as a power tool. can do. In addition, since it is strong against impact, it can be suitably mounted on a handheld device used at a construction site or the like.

§2 Configuration example [Embodiment 1]
In the present embodiment, with reference to FIGS. 1 to 7, a lighting device 1 using an LED element as a light emitting body is illustrated as one aspect of the lighting device for a handheld device of the present disclosure. The lighting device 1 is mounted as an additional function on a handheld device having a function executing unit that executes the original function of the device, and illuminates an irradiation position corresponding to the function executing unit.

(Rough configuration of lighting device 1)
First, a schematic configuration of the lighting device 1 according to one aspect of the present disclosure will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing the appearance of the lighting device 1 of the present embodiment. FIG. 2 is an exploded perspective view of the lighting device 1.

As shown in FIGS. 1 and 2, in the lighting device 1, the LED substrate (light emitter substrate) 2 and the LED substrate 2 are mounted, and the mounted LED substrate 2 is mounted on the housing 50 of a handheld device (FIG. 6). It is provided with a board mounting tool 10 to be attached to (see).

The LED substrate 2 has a rectangular flat plate shape, an LED (light emitter) 3 is mounted on one surface, and a harness 55 (see FIG. 7) is connected to the other surface.

The board mounting tool 10 is integrally provided with an engagement holding portion 11, a lens portion 12, and a screw fixing portion 18. More specifically, the substrate mounting tool 10 is a resin molded product made of a transparent resin, and the engaging holding portion 11, the lens portion 12, and the screw fixing portion 18 are integrally molded.

The engagement holding portion 11 engages with the LED substrate 2 and holds the LED 3 detachably and detachably in a state of being aligned with the optical axis of the lens portion 12. The engagement holding portion 11 has a claw portion 13 that engages (hangs) with the LED substrate 2 and is held by the engagement holding portion 11 by a snap fit described later, and the claw portion is provided on the operation piece 14. .. The operation piece 14 is also a part of the engagement holding portion 11.

The lens unit 12 is an optical system in which the light from the LED 3 is incident, and changes the light of the LED 3 into a luminous flux to irradiate the irradiation position. Further, as will be described later, the lens portion 12 has a function of unevenly fitting the illumination opening 51 (see FIG. 7) formed in the housing 50 of the handheld device to position the illumination device 1 with respect to the housing 50. Also has.

The screw fixing portion 18 is a portion for fixing the board mounting tool 10 to the housing 50 (see FIG. 8) of the handheld device with screws 53, and a screw hole 18a is formed.

With respect to such a substrate mounting tool 10, the LED substrate 2 is inserted and mounted from one direction orthogonal to the optical axis of the lens portion 12 with the surface on which the LED 3 is mounted facing the lens portion 12. In the present embodiment, the LED substrate 2 is inserted from the tip end side of the operation piece 14 toward the base end side of the operation piece 14.

Hereinafter, for convenience of explanation, the side with the tip of the operation piece 14 is above the lighting device 1, the opposite side is below, the side with the lens portion 12 is front, and the opposite side is rear, orthogonal to the vertical and front-rear directions. The direction is left-right. In the present invention, the "direction parallel to the insertion direction" corresponds to the vertical direction, the "first direction" corresponds to the "left-right direction", and the "second direction" corresponds to the "front-back direction".

(Detailed configuration of lighting device 1)
Next, a more detailed configuration of the lighting device 1 of one aspect of the present disclosure will be described with reference to FIGS. 3 to 5. FIG. 3 is a top view of the lighting device 1. FIG. 4 is a cross-sectional view taken along the line AA of FIG. FIG. 5 is a perspective view of the substrate mounting tool 10 of the lighting device 1.

As shown in FIGS. 3 to 5, the LED substrate 2 is held in the space S formed between the front surface of the operation piece 14 and the rear surface of the lens portion 12. The engagement holding portion 11 is a convex portion for left / right positioning as a first restricting portion that regulates the movement of the LED substrate 2 in the left-right direction (first direction orthogonal to the insertion direction) of the LED substrate 2 inserted in the space S. Has 15. The left-right positioning convex portions 15 are formed on the left and right inner walls that partition the space S, respectively. The left and right ends of the LED substrate 2 inserted into the space S abut on the left and right positioning convex portions 15, so that the optical axis of the LED 3 and the optical axis of the lens portion 12 coincide with each other in the left-right direction.

The engagement holding portion 11 is a front regulation wall 16 as a second regulation portion that regulates the movement of the LED substrate 2 in the front-rear direction (second direction orthogonal to the insertion direction) of the LED substrate 2 inserted in the space S. And the operation piece 14. The front regulation wall 16 is formed as a wall in which the left and right ends of the front surface of the LED substrate 2 abut in front of the left and right inner walls that partition the space S. The operation piece 14 is configured to urge the rear surface of the LED substrate 2 to the front side on the front surface 14a. The left and right ends of the front surface of the LED substrate 2 inserted into the space S by the urging force of the operation piece 14 come into contact with the front regulation wall 16, so that the optical axis of the LED 3 and the optical axis of the lens portion 12 are parallel to each other. Become.

Further, the engagement holding portion 11 has a bottom surface 17 and a claw portion 13 as a front restricting portion to which the lower end portion, which is the front end portion of the LED substrate 2 inserted in the space S in the insertion direction, abuts. The claw portion 13 engages (hangs) with the upper end portion which is the rear end portion in the insertion direction of the LED substrate 2 whose lower end portion abuts on the bottom surface 17. The claw portion 13 engages (hangs) with the upper end portion of the LED substrate 2 to restrict movement in the direction parallel to the insertion direction of the LED substrate 2, and also engages with the LED substrate 2 to engage with the LED substrate 2. It holds 2. By engaging the claw portion 13 with the upper end portion of the LED substrate 2 inserted into the space S, the optical axis of the LED 3 and the optical axis of the lens portion 12 coincide with each other in the vertical direction. In this embodiment, a configuration in which a pair of claw portions 13 are provided apart from each other in the left-right direction is illustrated, but the claw portion 13 may of course be one in the center.

Further, the space S is formed to be shallower than the dimension in the insertion direction of the LED substrate 2, and the upper portion of the LED substrate 2 is exposed while being held by the space S.

To mount the LED board 2 on such a board mounting tool 10, the operation piece 14 is pushed backward against the urging force to widen the upper part of the space S in the front-rear direction. Then, the LED board 2 is inserted from the upper part of the expanded space S, and then the operation piece 14 is returned and the claw portion 13 is engaged with the upper end portion of the LED board 2 by snap fit. As a result, the LED substrate 2 is firmly held by the substrate mounting tool 10 in a state where the optical axis of the LED 3 is aligned with the optical axis of the lens portion 12.

When removing the LED board 2 from the board mounting tool 10, the operation piece 14 is pushed backward against the urging force to widen the upper part of the space S in the front-rear direction. By pushing the operation piece 14 rearward, the claw portion 13 also moves rearward, and the engagement with the upper end portion of the LED substrate 2 is released. The exposed upper part of the disengaged LED board 2 is pinched, and the LED board 2 is taken out from the space S.

As described above, in the lighting device 1, since the LED board 2 can be easily attached to and detached from the board mounting tool 10, when the LED board 2 or the harness 55 (see FIG. 7) is defective, parts can be replaced. Parts can be easily replaced.

On the other hand, the lens portion 12 has a convex light guide portion 12a that is convex forward in the light emitting direction, and has a lens shape 12b on the convex tip surface of the light guide portion 12a. As shown in FIG. 4, the LED 3 of the LED substrate 2 held by the engagement holding portion 11 faces the rear surface of the light guide portion 12a. The light of the LED 3 incident on the inside of the light guide portion 12a from the rear surface propagates inside the light guide portion 12a and is emitted from the tip having the lens shape 12b. In the figure, as shown by the alternate long and short dash line L, the optical axis of the LED 3 of the LED substrate 2 held by the engagement holding portion 11 and the optical axis of the lens portion coincide with each other.

Then, the convex light guide portion 12a in the lens portion 12 is unevenly fitted to the illumination opening 51 (see FIG. 7) formed in the housing 50 of the handheld device described above. It also has a function of positioning the lighting device 1 with respect to the housing 50.

(Mounting of handheld device to housing 50)
Next, attachment of the lighting device 1 according to the present disclosure to the housing 50 of the handheld device will be described with reference to FIGS. 6 and 7. FIG. 6 is a perspective view showing a main part of the housing 50 of the handheld device on which the lighting device 1 is mounted. FIG. 7 is a perspective view showing a state in which the lighting device 1 is attached to the housing 50 shown in FIG. In FIGS. 6 and 7, only the main part of the housing 50 is cut out and shown.

As shown in FIG. 6, the housing 50 where the lighting device 1 is mounted is formed with an opening 51 for lighting in which the lens portion 12 of the substrate mounting tool 10 is unevenly fitted. The illumination opening 51 has a hole shape into which the convex light guide portion 12a of the lens portion 12 is fitted. The illumination opening 51 is designed so that the direction of the optical axis of the lens portion 12 mounted on the illumination opening 51 is suitable for irradiating the irradiation position with light. The formed portion of the illumination opening 51 in the housing 50 is thickly formed so as to have a depth with the light guide portion 12a.

Further, the housing 50 is provided with a boss portion 52 at a position corresponding to the screw fixing portion 18 of the board mounting tool 10. A screw hole 52a is formed in the boss portion 52 at a position corresponding to the screw hole 18a of the screw fixing portion 18. In the present embodiment, a pair of screw fixing portions 18 and boss portions 52 are provided in the left-right direction so as to sandwich the illumination opening 51 or the lens portion 12.

As shown in FIG. 7, the lighting device 1 is mounted by fitting the lens portion 12 into the lighting opening 51 formed in the housing 50, and using the screw fixing portion 18 and the boss portion 52 with the screw 53. It is fixed. One end of a harness 55 connected to a control board (not shown) is connected to the rear surface of the LED board 2.

Since the lens portion 12 itself is used for positioning with the housing 50, it is possible to reliably prevent the positional deviation between the lens portion 12 and the housing 50.

The lens shape 12b in the lens unit 12 may be a convex type with a narrowed irradiation area or a flat type that diffuses light, but the convex type with a narrowed irradiation area is more affected by the optical axis shift. The effect of the configuration of the present invention is more exerted.

[Embodiment 2]
In this embodiment, an electric tool as a handheld device equipped with the lighting device 1 of the first embodiment will be described. For convenience of explanation, the same reference numerals will be added to the members having the same functions as the members described in the above embodiment, and the description will not be repeated.

FIG. 8 is a perspective view of the power tool 100 as a handheld device on which the lighting device 1 is mounted. FIG. 9 is a side sectional view of the power tool 100. FIG. 10 is an enlarged view showing a portion surrounded by a broken line in FIG.

As shown in FIGS. 8 and 9, the electric tool 100 is an electric drill having a drill bit as a tip tool 101. The tip tool 101 can be replaced with a screwdriver bit, a socket bit, or the like, and can also be used for fastening bolts, nuts, and screws. The tip tool 101 and the motor 103 that drives the tip tool 101 correspond to a function execution unit that executes the original function of the power tool 100.

The power tool 100 mainly includes a housing 50, a motor 103, a control board 104, and a battery (not shown). The housing 50 is a resin housing, and includes a body portion in which the motor 103 and the like are housed, and a handle portion extending from the body portion. A storage space is defined inside the body portion and the handle portion, and the motor 103, the control board 104, and the lighting device 1 are housed.

An operation unit 105 is provided from the upper part of the handle portion of the housing 50 to the body portion. By grasping the operation unit 105 and pushing it inward, the driving force of the motor 103 is transmitted and the tip tool 101 rotates.

The lighting device 1 is a body portion of the housing 50 and is provided below the tip tool 101. The lighting opening 51 and the boss portion 52 shown in FIG. 6 are formed in the housing 50 of this portion. The illumination opening 51 is designed so that the light emitted from the lens portion 12 of the illumination device 1 mounted on the illumination opening 51 can irradiate the tool tip portion of the tip tool 101.

[Summary]
The lighting device for a handheld device according to one aspect of the present invention is mounted on a handheld device provided with a function executing unit that executes the original function of the device, and illuminates an irradiation position corresponding to the function executing unit. A device, which is a light emitter substrate mounted on the housing of the handheld device and equipped with a light emitter, and a substrate mounting tool on which the light emitter board is mounted and the mounted light emitter board is mounted on the housing. The substrate mounting tool is integrally provided with an engaging holding portion that engages with and detachably holds the light emitting body substrate, and a lens portion that receives light from the light emitting body. The engagement holding portion holds the illuminant substrate in a state where the optical axis of the illuminant is aligned with the optical axis of the lens portion, and the lens portion is unevenly fitted into the illumination opening formed in the housing. In addition, it has a positioning function for the housing.

In the above configuration, the light emitting body substrate is held in a state where the optical axis of the light emitting body is aligned with the optical axis of the lens portion at the engaging holding portion when it is mounted on the substrate mounting tool. Since the engagement holding portion engages and holds the light emitting body substrate, the positional deviation between the engaging holding portion and the light emitting body substrate is unlikely to occur. Further, since the engagement holding portion and the lens portion are provided integrally, the positional deviation between the engagement holding portion and the lens portion does not occur. As a result, the configuration can be made so that it is not easily affected by heat and the optical axis of the lighting device itself is not easily displaced.

In addition, since the engagement holding portion holds the illuminant substrate detachably, it is possible to deal with a defect of the illuminant substrate by replacing parts.

Further, since the lens portion is unevenly fitted to the illumination opening formed in the housing and has a positioning function with respect to the housing, the light of the lens portion can be obtained by fitting the lens portion to the illumination opening. The direction of the axis is adjusted to be suitable for light irradiation to the irradiation position. Since the lens portion itself is used for positioning with the housing, it is possible to reliably prevent the optical axis from shifting between the lighting device and the housing.

In the lighting device for a handheld device according to one aspect of the present invention, the lens portion has a convex light guide portion that is convex in the light emitting direction, and the lens shape is formed on the convex tip surface of the light guide portion. It can also be configured to have. According to the above configuration, a lens portion having a positioning function used for positioning with the housing can be easily realized.

In the lighting device for a handheld device according to one aspect of the present invention, the light emitting body substrate is inserted into the engaging holding portion from one direction orthogonal to the optical axis of the lens portion. The engagement holding portion includes a first regulating portion that regulates the movement of the illuminant substrate in a first direction orthogonal to the insertion direction of the illuminant substrate, and a first direction orthogonal to the insertion direction of the illuminant substrate. Has a second regulating portion that regulates the movement of the light emitting body substrate in another second direction, a front regulating portion that abuts on the front end portion in the insertion direction of the light emitting body substrate, and an end portion that abuts on the front regulating portion. It is also possible to have a configuration having a claw portion that engages with the end portion of the light emitting body substrate in the state of being rearward in the insertion direction to restrict the movement of the light emitting body substrate in a direction parallel to the insertion direction. According to the above configuration, it is possible to easily realize an engagement holding portion capable of firmly holding the light emitting body substrate in a state where the optical axis of the light emitting body is aligned with the optical axis of the lens portion.

In the lighting device for a handheld device according to one aspect of the present invention, the claw portion may be configured to engage with the end portion of the light emitting body substrate by a snap fit. According to the above configuration, the light emitting body substrate can be easily attached and detached.

The handheld device according to one aspect of the present invention includes a function execution unit that executes the original function of the device and a function execution unit.
The hand-held type according to one aspect of the present invention includes a housing that holds the function executing unit and a lighting device that is attached to the housing and illuminates an irradiation position corresponding to the function executing unit. It is a lighting device for equipment, and the housing is provided with an opening for lighting in which the lens portion is unevenly fitted.

According to the above configuration, it is possible to realize a hand-held device in which the irradiation area is less likely to shift even when vibration or shock is applied, and work using the original functions of the device can be performed without any problem even in a dark place.

The handheld device according to one aspect of the present invention may also have a configuration in which the function executing unit includes a tip tool and a motor for driving the tip tool. A greater effect can be achieved by combining a hand-held device having a tip tool driven by a motor with a lighting device for a hand-held device according to one aspect of the present invention, which is resistant to vibration.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is also included in the technical scope of the present invention.

1 Lighting device (lighting device for handheld equipment)
2 LED substrate (light emitter substrate)
3 LED (light emitting body)
10 Board mounter 11 Engagement holding part 12 Lens part 12a Light guide part 12b Lens shape 13 Claw part 14 Operation piece 14a Front surface 15 Left and right positioning convex part 16 Front side regulation wall 17 Bottom surface 18

Screw fixing part

18a, 52a Screw hole 51 Lighting Opening 50 Housing 52 Boss 53 Screw 55 Harness 100 Power tool (handheld device)
101 Tip tool 103 Motor 104 Control board 105 Operation unit

Claims

A lighting device for a hand-held device that is mounted on a hand-held device having a function execution unit that executes the original function of the device and illuminates an irradiation position corresponding to the function execution unit.
Attached to the housing of the handheld device
A light emitter substrate on which a light emitter is mounted and a light emitter
The light emitting body substrate is mounted, and a substrate mounting tool for mounting the mounted light emitting body substrate to the housing is provided.
The substrate mounting tool is integrally provided with an engaging holding portion that engages with and detachably holds the light emitting body substrate, and a lens portion that receives light from the light emitting body.
The engaging holding portion holds the light emitting body substrate in a state where the optical axis of the light emitting body is aligned with the optical axis of the lens portion.
The lens portion is a lighting device for a hand-held device that has a concave-convex fitting in an opening for illumination formed in the housing and has a positioning function with respect to the housing.
The lighting device for a handheld device according to claim 1, wherein the lens portion has a convex light guide portion that is convex in the light emitting direction, and has a lens shape on the convex tip surface of the light guide portion.
The light emitting body substrate is inserted into the engaging holding portion from one direction orthogonal to the optical axis of the lens portion.
The engagement holding portion is
A first regulating unit that regulates the movement of the light emitting body substrate in a first direction orthogonal to the insertion direction of the light emitting body substrate,
A second regulating unit that regulates the movement of the light emitting body substrate in a second direction different from the first direction orthogonal to the insertion direction of the light emitting body substrate.
A front restricting portion that abuts on the front end of the light emitting body substrate in the insertion direction,
A claw portion that engages with the rear end portion in the insertion direction of the light emitting body substrate in a state where the end portion abuts against the front regulating portion and restricts movement in a direction parallel to the insertion direction of the light emitting body substrate. The lighting device for a handheld device according to claim 1 or 2.
The lighting device for a handheld device according to claim 3, wherein the claw portion engages with the end portion of the light emitting body substrate by snap fit.
A function execution unit that executes the original functions of the device,
A housing that holds the function execution unit and
A lighting device attached to the housing and irradiating an irradiation position according to the function executing unit is provided.
The lighting device is the lighting device for a handheld device according to any one of claims 1 to 4.
A hand-held device having an opening for illumination in which the lens portion is unevenly fitted to the housing.
The function execution unit
The handheld device according to claim 5, further comprising a tip tool and a motor for driving the tip tool.