JP4475168B2 - Lighting device - Google Patents

Description

  The present invention relates to an illumination device, and more particularly to an illumination device that is installed on a desk shelf of a learning desk or installed on a laboratory desk or an experimental table.

  Conventionally, various types of lighting devices installed on a desk shelf of a learning desk have been provided. For example, the illuminating devices disclosed in Patent Document 1 and Patent Document 2 according to the prior application of the present applicant hold the column in an upright state on the back plate of the desk shelf or the top plate of the table, and An arm is provided in the upper end portion in a forward direction, and a horizontally long lamp incorporating a fluorescent lamp is held in the front end portion of the arm so that the angle can be changed.

  As the structure of the horizontally long lamp, as disclosed in Patent Document 3, a fluorescent lamp is mounted inside a synthetic resin shade opened downward, and a push button type switch is provided on the front side of the shade. And a support part integrally formed at the rear part of the shade is connected to the aforementioned arm. In other words, the shade has a curved upper surface portion that covers the upper portion of the fluorescent lamp, and a structure in which a side surface portion that conceals the side end portion of the fluorescent lamp is integrally formed. A reflector or the like is attached. Thus, the shade in the conventional lamp has a shape in which the upper surface portion and the side surface portion are continuous with a curved surface, and constitutes a main body portion of the lamp.

In addition, a handle portion used for adjusting the posture of the lamp may be provided at the front portion of the shade. The switch is provided forward on the left side of the handle so that the handle can be grasped with the right hand and operated with the thumb. Moreover, a switch may be provided in the lower end part of the support | pillar of an illuminating device.
Japanese Patent No. 3014996 (FIGS. 1 and 2) Japanese Patent No. 3561419 (FIGS. 1 and 4) JP 2001-243832 A (FIGS. 1 and 5)

  As mentioned above, when the push button is provided on the side of the handle part of the lamp, the push button is pushed with the left hand when the right hand is closed with an object. If not, the force is difficult to adjust, and not only the operability becomes very bad, but also the push button is biased to the left and right with respect to the axis of the arm that supports the lamp. If you press the button, the angle of the lamp will change unexpectedly. Further, when the object is held in both hands, the operation of the switch is almost impossible.

  Therefore, in view of the above-described situation, the present invention intends to solve the problem that the switch operation is extremely easy in the lighting device that holds the horizontally long lamp having a built-in fluorescent lamp at the end of the arm so that the angle can be changed. An object of the present invention is to provide a lighting device that can be operated using a part of the body even when both hands are closed, and that the angle of the lamp is not changed unexpectedly when the switch is operated.

In order to solve the above-mentioned problem, the present invention is an illuminating device which holds a horizontally long lamp having a built-in fluorescent lamp at the end of an arm so that the angle of the lamp can be changed , and a handle portion protruding forward from the front portion of the lamp the provided, on the upper surface of the shade of the lamp, the longitudinal width and lateral width at least one of providing a large switch having a 3cm or more of the operation plate Rutotomoni, the front edge of the operation plate of the switch finger hook opening of the handle portion to constitute a lighting apparatus confronts (claim 1).

Further, the present invention is an illuminating device that holds a horizontally long lamp having a built-in fluorescent lamp at an end of an arm so that the angle of the lamp can be changed, and a handle portion projecting forward is provided at a front portion of the lamp. Provided on the upper surface of the shade is a large switch having an operation plate having at least one of a vertical width and a horizontal width of 3 cm or more, and between the finger-hanging opening of the handle portion and the front edge of the operation plate of the switch, An illuminating device provided with a protection portion extending from the upper surface portion of the shade was constructed (claim 2).

Here, the left and right central portions of the lamp are held by the end portions of the arms, and the switch operation plate is positioned at the upper surface portion position of the shade that intersects the vertical plane passing through the axis of the arm holding the lamp. It is preferable to arrange the centers (claim 3) .

  More preferably, the surface of the upper surface portion of the shade and the surface of the operation plate of the switch are set substantially flush with each other (claim 4).

The illuminating device according to the first aspect of the present invention as described above is an illuminating device which holds a horizontally long lamp having a built-in fluorescent lamp at the end of an arm so that the angle of the lamp can be changed, and projects forward from the front of the lamp. and the handle portion is provided, on the upper surface of the shade of the lamp, at least one of the vertical width and the horizontal width provided a large switch having a 3cm or more of the operation plate Rutotomoni, the operation plate of the switch finger hook opening of the handle portion Because the front edge of the face is facing, the switch can be turned on and off by operating the operation plate even with the fist of the hand while holding the handle, and the switch is extremely easy to operate. Even if both hands are blocked, it can be operated using a part of the body. In other words, the fluorescent lamp of the lamp can be easily turned on and off by pressing the operation panel, and even if both hands are closed with a laboratory instrument such as a book or beaker in both hands, or both hands are inconvenient Even a human can easily operate the switch operation panel with a part of the body, for example, the elbow or chin.

The illuminating device of the invention according to claim 2 is an illuminating device which holds a horizontally long lamp having a built-in fluorescent lamp at the end of an arm so that the angle of the lamp can be changed, and a handle projecting forward from the front of the lamp. A large switch having an operation plate having a vertical width and / or a horizontal width of 3 cm or more is provided on the upper surface of the shade of the lamp, and the finger hooking opening of the handle portion and the operation plate of the switch In addition to the effect of claim 1, a fist of a hand having a handle portion is prevented from directly touching the operation plate because a protection portion extending from the upper surface portion of the shade is provided between the edge and the edge. This can prevent unexpected switch operation.

According to the third aspect of the present invention , even if the switch operating plate is pressed, the pressing force acts on the substantially axis line of the arm. The angle of the lamp will not change.

  According to the fourth aspect of the present invention, the switch operation plate and the upper surface of the shade are substantially flush with each other. It can be.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. FIG. 1 shows an embodiment in which a lighting device according to the present invention is mounted on a desk shelf of a learning desk, FIGS. 2 to 9 show details thereof, in which 1 is a lighting device, 2 is a learning desk, 3 is The desk shelf, 4 is a lamp, 5 is a shade, and 6 is a switch.

  As shown in FIGS. 1 to 4, the lighting device 1 according to the present invention is used by being attached to a desktop shelf 3 placed on the rear part of the learning desk 2, specifically, the desktop shelf 3. The support plate 8 is held upright on the back surface of the back plate 7, and an arm 9 is provided on the upper end portion of the support column 8 so that the vertical angle can be adjusted forward. It is the structure which hold | maintained the lamp | ramp 4 so that up-and-down and left-right angle change is possible, and front-back extension. A switch 6 having a large area is provided at the center of the shade 5 of the lamp 4.

  More specifically, the lamp 4 includes a lamp body 10 made of synthetic resin that is connected to the arm 9, a shade 5 that is attached to the lamp body 10 so as to cover the lamp body 10, and a switch 6 that is provided at the center of the upper surface of the shade 5. And a fluorescent lamp 11 attached in a downwardly open space formed by the lamp body 10 and the shade 5, and a louver frame body 12 attached to the lower part of the lamp body 10. A handle portion 13 that is held and operated to adjust the angle of the lamp 4 is provided at the center of the left and right of the front portion of the lamp 4.

  Hereinafter, the illuminating device 1 which concerns on this invention is demonstrated concretely. As shown in FIG. 5 (a), the lamp body 10 constituting the lamp 4 has a frame structure having an opening 14 that can accommodate the fluorescent lamp 11 in the center portion, and is spaced from the left and right center portions of the rear portion. The support bases 15 and 15 are integrally formed in a state of projecting rearward, and a U-shaped handle base portion 16 that forms the lower half of the handle portion 13 is integrally formed at the left and right central portions of the front portion. Further, as shown in FIG. 5B, side portions 17 and 17 are integrally formed at both ends. On the other hand, the shade 5 attached to the upper part of the lamp body 10 is substantially the same as the lamp body 10 in a plan view, but is set slightly larger than the lamp body 10. The upper surface portion 18 covering the side surface portions 17 and 17 including the opening portion 14 is formed, and the support portion covers 19 and 19 are integrally formed so as to protrude rearward at a distance from the left and right central portions of the rear portion. A handle cover 20 having a U-shape in a plan view and constituting the upper half of the handle portion 13 is formed integrally with the left and right center portion of the handle portion.

  Then, as shown in FIGS. 7 to 9, the shade 5 is placed on the upper part of the lamp body 10 and connected from below with screws 21,. At this time, both end portions of the support shaft 22 provided at the front end portion of the arm 9 are arranged between the support portions 15 and 15 of the lamp body 10 and the support portion covers 19 and 19 of the shade 5. It is pinched so that it can rotate. A handle cover 20 of the shade 5 is overlapped with the handle base portion 16 of the lamp body 10 to constitute the handle portion 13. Here, although not shown, the fluorescent lamp 11 is connected to terminals attached to both sides inside the lamp body 10 and holds both ends.

  The shade 5 has a linear design on the upper surface 18, that is, has substantially the same cross-sectional shape over the entire length, and has a streamlined shape that gently curves upward from the front edge to the rear edge. The rear edge has a shape with a larger curvature. The shade 5 is molded so that the surface has a gloss. This is achieved by using a synthetic resin material having high hardness such as ABS resin, smoothing the surface of the mold, and setting the molding temperature high. The lamp body 10 may be molded from the same material as the shade 5, but is preferably molded using a general-purpose resin that is slightly softer than the shade 5. Further, regarding the size relationship between the shade 5 and the lamp body 10, the front edge 18A and both ends 18B, 18B of the upper surface 18 of the shade 5 protrude from the lamp body 10, and the rear edge 18C of the upper surface 18 is It is set so as not to protrude from the rear end of the rear surface portion 23 of the lamp body 10. Normally, the lamp 4 is used in a slightly lowered position, and in this case, the rear surface portion 23 of the lamp body 10 protrudes from the rear edge portion 18C of the upper surface portion 18 of the shade 5. Therefore, when the lamp 4 is moved, even if the rear surface portion 23 collides with the side plate 24 or the shelf plate 25 of the desktop shelf 3, the shade 5 does not come into direct contact. It is possible to prevent the shelf 3 from being damaged and the rear edge 18C of the shade 5 from being damaged. In addition, the shade 5 may be formed of a synthetic resin material having chemical resistance. In this case, the lighting device 1 of the present invention is suitable for use in a laboratory or laboratory that uses chemicals. It becomes.

  Thus, the shade 5 covers the upper part of the lamp body 10, and the front edge 18 </ b> A and both end parts 18 </ b> B and 18 </ b> B protrude from the lamp body 10 and have gloss, so We can easily drop dust and dirt by wiping off. Moreover, it is possible to change the entire image of the lamp 4 only by changing the color of the shade 5 that occupies most of the visual part of the lamp 4. Here, since the shade 5 originally has no continuity in the outer shape of the front edge portion 18A and the both end portions 18B and 18B with the lamp body 10, even if only the shade 5 is changed in color, the entire image is not impaired. In addition, since it is only necessary to change the shade 5 that is a single part, that is, it is not necessary to change the color of multiple parts as in the past, thus realizing a variety of designs while minimizing cost increase. it can.

  In addition, the switch 6 is provided at the left and right central portion of the upper surface portion 18 of the shade 5 as shown in FIGS. 1, 3, 4, 6 and 6. In the present embodiment, the shape of the switch 6 in plan view is a trapezoidal shape with a narrow front edge and a wide rear edge, and has a wide area from the position near the rear end of the upper surface portion 18 of the shade 5 to the front end. . The front edge portion of the switch 6 faces a finger-hanging opening 26 provided in the handle portion 13 and substantially coincides with the lateral width of the opening 26. Here, the finger-hanging opening 26 has a width that allows four fingers to be inserted from the index finger to the little finger.

  In the present embodiment, as shown in FIG. 7, the switch 6 has a trapezoidal shape that is substantially the same as the cutout portion 27 in a cutout portion 27 formed at the left and right central portion of the upper surface portion 18 of the shade 5. The operation plate 28 is disposed, and the rear portion thereof is held so as to be tiltable up and down, and the push switch 30 is held at the front portion of the concave step portion 29 corresponding to the notch portion 27, and the push button 31 of the push switch 30 is The protrusion 32 projecting from the front lower surface of the operation plate 28 is made to correspond, and the push switch 30 is turned on and off by pressing the operation plate 28. Here, the strength reduction due to the formation of the notch 27 in the shade 5 is reinforced by forming the concave step portion 29 at a position corresponding to the notch 27, and the light from the fluorescent lamp 11 directly below is Leaking from the gap between the notch 27 and the operation plate 28 is prevented. Further, the operation plate 28 is set so that the surface outline is substantially coincident with the upper surface portion 18 of the shade 5 and is substantially flush with the upper surface portion 18 in the mounted state.

  More specifically, as shown in FIG. 7, the push switch 30 has a main body portion fitted from below to a holding recess 33 that is opened downward and formed in the front portion of the concave step portion 29 of the shade 5, and push button 31. Is protruded upward from the front center of the lamp body 10 when the shade 5 is joined to the lamp body 10. Thus, the main body of the push switch 30 is held in a stopped state. Further, shaft pins 36 and 36 are provided on both sides of the rear portion of the operation plate 28 so as to be fitted in a shaft hole (not shown) formed on the inner surface of the recessed step portion 29 so as to be vertically tiltable. Yes.

  As described above, since the operation plate 28 of the large switch 6 is provided in the left and right central portion of the shade 5, the fluorescent lamp 11 of the lamp 4 can be easily turned on and off by pressing the operation plate 28. In addition, since the front edge of the operation plate 28 faces the finger opening 26 of the handle portion 13, the switch is operated by operating the operation plate 28 even at the fist of the hand while holding the handle portion 13. 6 can be turned on and off. Further, even if the hands are closed with both hands holding a laboratory instrument such as a book or a beaker, or a person with both hands disabled, the switch 6 can be easily operated with a part of the body, for example, the elbow or chin. . In order to realize this, the operation plate 28 of the switch 6 is sized so as to have a vertical width from the front edge to the rear portion of the upper surface portion 18 of the shade 5 and a horizontal width equivalent to the vertical width as in this embodiment. However, it is possible as long as at least one of the vertical width and the horizontal width of the operation plate 28 is at least 3 cm in size. The operation plate 28 of the switch 6 may be rectangular, circular, or elliptical. In the case of a circular shape, the diameter is 3 cm or more. In the case of an elliptical shape, the major axis is 3 cm or more. In the present embodiment, “large” means a large one that is not used in a conventional lighting device, and the standard is that at least one of the vertical width and the horizontal width of the operation plate 28 is 3 cm or more as described above. That is. Preferably, both the vertical width and the horizontal width of the operation plate 28 are 3 cm or more, and more preferably 5 cm or more.

  Further, the operation plate 28 of the switch 6 is provided at the left and right center portion of the shade 5 and the left and right center portion of the rear portion of the lamp 4 is supported by the arm 9, that is, the operation plate 28 is the column. Since the operation plate 28 does not sway even when the angle of the lamp 4 is tilted, the angle of the lamp 4 changes unexpectedly even when the operation plate 28 is pressed. There is no.

  In the present embodiment, the front edge of the operation plate 28 of the switch 6 is made to face the finger hooking opening 26 of the handle portion 13, but when the handle portion 13 is held and the angle of the lamp 4 is adjusted unexpectedly. Since the switch 6 may be operated, it is preferable to leave a part of the upper surface portion 18 of the shade 5 in front of the operation plate 28 and form a band-shaped protection portion 37 as shown in FIG. That is, a protective portion 37 extending from the upper surface portion 18 of the shade 5 is provided between the finger-hanging opening 26 of the handle portion 13 and the front edge of the operation plate 28 of the switch 6, and the handle portion 13 is held. The fist of the hand is prevented from touching the operation plate 28 directly.

  Further, the structure of the switch 6 is exemplified by a structure in which the push switch 30 is turned on and off by pressing the operation plate 28. However, a limit switch may be used instead of the push switch 30. A touch switch may be used as the structure 6. In the case of a touch switch, since a mechanical movable part is not necessary, a conductive plate corresponding to the operation plate 28 is embedded in a recess formed in the central part of the shade 5 or is not conductive. The sheet is adhered to the central portion of the shade 5. In an extreme case, the entire upper surface 18 of the shade 5 can be a touch switch structure.

  A louver frame 12 is detachably attached to the lower part of the lamp body 10 as shown in FIGS. 3 and 7 to 9. Specifically, the louver frame body 12 has a frame portion 38 in the periphery, and a plurality of louvers 39,... A plurality of vertical ribs 40,... Are provided at predetermined intervals in the direction, and the longitudinal ribs 40 connect the front and rear louvers 39,. The louver frame 12 has a shape in which the outer shape is curved and protrudes downward in a side view, and the vertical dimension gradually decreases from the center to both sides in a front view. Then, as shown in FIG. 7, the hinge portions 41, 41 provided on both sides of the rear end of the frame portion 38 of the louver frame body 12 can be rotated from the opening portion 14 of the lamp body 10 to an appropriate position inside. The holding piece 42 that is fitted and protrudes rearward from the left and right central portion of the frame portion 38 on the front side is provided at the left and right central portion of the shielding portion 43 that is positioned on the front side of the opening portion 14 of the lamp body 10. The fixing piece 44 projecting rearward is fastened with a set screw 45. By removing the set screw 45, the louver frame body 12 can rotate downward about the shaft support portion of the rear hinge portion 41 to open the opening portion 14 of the lamp body 10. The fluorescent lamp 11 can be replaced.

  Further, on the both sides of the handle portion 13 of the shade 5, horizontally long slit holes 46, 46 are formed along the front edge portion 18 </ b> A, so that a part of the light from the fluorescent lamp 11 is leaked and the decorative property is improved. It is increasing. Furthermore, by attaching a colored filter 47 to the inside of the slit hole 46, it is possible to further enhance the light decoration.

  As described above, the lighting device 1 mounted on the desk shelf 3 is turned on / off by operating the switch 6 provided on the lamp 4, but illumination is performed even when a child with a small physique sits at a predetermined position on the learning desk 2. A hand switch 48 is provided on the inner surface side of the lower side plate 24 of the desktop shelf 3 so that the apparatus 1 can be operated. In this case, the circuit configuration is such that the operation of the hand switch 48 is prioritized over the switch 6. Here, the hand switch 48 is provided at a front end portion of an outlet box 49 having a plurality of plug insertion ports.

  Although the embodiment in which the lighting device 1 according to the present invention is mounted on the desk shelf 3 provided in the rear part of the learning desk 2 is shown, the present invention is not limited to this, and lighting installed on a desk or a laboratory table in a laboratory It can also be applied to devices.

It is a whole perspective view which shows embodiment which mounted the illuminating device of this invention on the desk shelf provided in the rear part of the learning desk. It is a side view of the illuminating device of this invention. It is a front view of the illuminating device of this invention similarly. It is an explanatory top view which similarly shows the operation | movement which adjusts the angle of a lamp. It is the top view which abbreviate | omitted one part of the lamp main body. It is the bottom view which abbreviate | omitted a part of shade. It is a longitudinal cross-sectional view of the center part of a lamp. It is a longitudinal cross-sectional view of the position near the side of the lamp. It is a partial enlarged front view of a lamp. It is a top view which shows other embodiment of an illuminating device.

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Learning desk 3 Desk shelf 4 Lamp 5 Shade 6 Switch 7 Back board 8 Post 9 Arm 10 Lamp main body 11 Fluorescent lamp 12 Louver frame 13 Handle part 14 Opening part 15 Support part 16 Handle base part 17 Side face part 18 Upper surface Portion 18A front edge portion 18B end portion 18C rear edge portion 19 support portion cover 20 handle cover 21 screw 22 support shaft 23 rear surface portion 24 side plate 25 shelf plate 26 finger hook opening 27 notch portion 28 operation plate 29 concave step portion 30 push switch 31 push Button 32 Projection 33 Holding recess 34 Hole 35 Projection base 36 Shaft pin 37 Protection part 38 Frame part 39 Louver 40 Vertical rib 41 Hinge part 42 Holding piece 43 Shielding part 44 Fixing piece 45 Set screw 46 Slit hole 47 Color filter 48 Hand switch 49 Outlet box

Claims (4)

An illuminating device that holds a horizontally long lamp that incorporates a fluorescent lamp at the end of an arm so as to be capable of changing the angle , and is provided with a handle portion projecting forward at the front of the lamp, on the upper surface of the shade of the lamp, at least one of the vertical width and the horizontal width Rutotomoni provided a large switch having a 3cm or more of the operation plate, the illumination device characterized by faces leading edge of the operation plate of the switch finger hook opening of the handle portion. An illuminating device that holds a horizontally long lamp that incorporates a fluorescent lamp at the end of an arm so as to be capable of changing the angle, and is provided with a handle portion projecting forward at the front of the lamp, on the upper surface of the shade of the lamp, A large switch having an operation plate having at least one of a vertical width and a horizontal width of 3 cm or more is provided, and extends from the upper surface portion of the shade between the finger hooking opening of the handle portion and the front edge of the operation plate of the switch. An illuminating device comprising a provided protective portion . The left and right central portions of the lamp are held by the end portions of the arms, and the center of the switch operation plate is arranged at the position of the upper surface portion of the shade that intersects the vertical plane passing through the axis of the arm holding the lamp. lighting device and comprising claim 1 or 2, wherein.   The lighting device according to claim 1, wherein the surface of the upper surface portion of the shade and the surface of the operation plate of the switch are set substantially flush.

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