JP2565241Y2 - Retractable lighting fixture - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a retractable lighting device, in particular,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device to be stored on a table top or the like, and to a stand-type lighting device capable of illuminating the front side of the table or the like as needed.

[0002]

2. Description of the Related Art As a retractable lighting device, a lighting device which can be stored in a horizontal rail or a horizontal plate of a bookstand mounted on a learning desk is proposed in Japanese Utility Model Laid-Open No. 55-82711. . In this device, the lighting device is slidably stored in the horizontal rail or the horizontal plate located above the desk. Therefore, when necessary, the lighting device can be pulled out to illuminate the upper surface of the desk, and unnecessary lighting can be performed. Occasionally, it can be stored in a horizontal rail or horizontal plate in the main tower, so that it is easy to use without disturbing.

[0003] However, in the case of this type of lighting fixture,
Since it is housed at a fixed distance above the table top of the desk to be illuminated, a storage part for the lighting fixture is required above the top plate, and it is necessary to connect this storage part upward from the top plate. . Therefore, when lighting is unnecessary, there is a problem that the top surface of the top plate cannot be used widely. In addition, it cannot be used for a table or the like in which a storage unit cannot be connected in a row, such as a main stand.

The present invention has been made in view of the above point, and in a retractable lighting device capable of illuminating the upper surface of a top plate such as a desk or a table, the upper surface of the top plate is widely used when the lighting device is stored. It is an object of the present invention to be able to use it even when a storage unit cannot be continuously provided above the top plate.

[0005]

[Technical Means] The technical means of the present invention for solving the above-mentioned problem is that "a lighting fixture (2) is housed so as to be able to be drawn out from the edge of the top plate (1) to the rear surface within a certain range, and The fixture (2) includes a lamp holder (2a) for mounting the lamp (20) and the lamp holder (2a).
a column (2b) foldably connected to a) and the column
(2b) and a connector (2c) rotatably connected and slidably held by a top plate (1), and the connector (2c)
Can protrude from the edge of the top plate (1). "

[0006]

The above technical means operates as follows. Lighting equipment
When (2) is not used, the whole is stored on the back side of the top plate (1), that is, on the back side of the top plate (1) or the back side within this thickness. When using the lighting fixture (2), pull out the entire lighting fixture (2). The connector (2c) is slidably held by the top plate (1) so that it can protrude from the edge of the top plate (1). In this state, the entire lighting fixture (2) is in this state. )
Projecting from the edge. Then, when the column (2b) is rotated upward and the lamp holder (2a) in the folded state is deployed, the lamp (20) attached to the lamp holder (2a) is moved to the top plate.
(1) It is in a posture that can illuminate the upper surface.

When the lighting device (2) is not used, the lamp holder (2a) is folded toward the support (2b) and the support (2b) is connected.
Return to the posture that can be stored with respect to (2c), and in this state
When the whole of (2) is pushed into the storage position, the lighting fixture (2) is entirely stored on the back side of the top plate (1).

[0008]

[Effect] Since the lighting device (2) is entirely stored on the back side of the top plate (1), the top surface of the top plate (1) can be widely used when the lighting device (2) is not used. An electric lamp (2) is inserted from the tip of the support (2b) connected to the connector (2c) held on the top plate (1).
(0) is protruded, so that the top plate
The upper surface of (1) can be illuminated. In other words, even when the storage section of the lighting fixture (2) cannot be continuously provided above the top plate (1), the upper surface of the top plate (1) can be illuminated.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. In the lighting fixture of this embodiment, the lamp (20) attached to the lamp holder (2a) is a U-shaped fluorescent lamp,
The shade (21) is equipped on the lamp holder (2a),
As shown in FIGS. 1 and 2, a lighting device (2) including an electric lamp (20) and a shade (21) can be stored near a corner of a table top (1). , And is built in a portion on the back surface side within the thickness of the top plate (1).

Therefore, in the vicinity of the corner of the top plate (1), as shown in FIG. 2 and FIG. 5, the casing (C) of the lighting device (2) is opened to the edge and back of the top plate (1). ) Is formed in a substantially rectangular concave portion (10) large enough to accommodate the
The connector (2c) is held by the pair of long side walls of the casing (C) housed in the casing (10) so as to be slidable along the pair of long side walls. The holding section (2a) is connected to the holding section (2a) by a pair of support sections (2b) (2b).

As shown in FIGS. 3 and 4, the lamp holding part (2a) connects the support (22) attached between the upper ends of the pillars (2b) and (2b) to the lamp (20). A holder (H) holding a base (K) for mounting the base (H) and a shade having a size to cover the holder (H) and an electric lamp (20) attached to the base (K). (21), and the support (22) and the base end of the shade (21) are coupled in a pair at the center thereof. For this reason, the cylindrical portion (21a) protruding from the end surface of the shade (21) is fitted around the central cylindrical shaft portion (22a) of the support (22), and the fixing screw (N) is interposed with a wave washer.
Screwed. Thereby, the entire shade (21) can be swung.

Further, the entire lamp holding section (2a) is connected to the support sections (2b) (2).
In order to be foldable with respect to b), the upper ends of the pillars (2b) and (2b) are connected to the end faces of both ends of the support (22), and this connection part can rotate the support (22). It is configured to be pivotally supported.
Further, the width of the shade (21) connected to the support (22) is set to be equal to or less than the width of the support (22), and the length of the shade (21) is set to the column (2b) (2b). Is set shorter than the length.

As shown in FIGS. 5 and 6, the lower ends of the columns (2b) and (2b) are rotatably connected to bearing pieces (23) and (23) provided on the front surface of the connecting body (2c). I have. This connection part and support part (2b) (2b)
The connecting portion between the upper end of the support member and the support (22) is configured to be supported by a known method so as to have a constant rotational resistance. In this embodiment, as shown in FIG. Post (2b)
This posture is maintained in a posture in which the lamp holding portion (2a) to which the lamp (20) is attached is made to protrude in the horizontal direction with the (2b) standing upright.

In order to slidably hold the connecting body (2c) in a casing (C) housed in a recess (10) formed on the back surface of the top plate (1), the casing (C) is Guide bars (11) and (11) are provided on the pair of long side walls, and the guide bars (11)
(11) and both ends of the connected body (2c) are paired. Because of this,
As shown in FIG. 7, the protruding portions (24) (24) at both ends of the connector (2c) are slidably received in the grooves of the guide bars (11) (11).
Further, a stopper (S) is provided at the front edge of the guide bar (11) for positioning the connecting body (2c) withdrawal position, and the lower opening portion of the casing (C) covers the entire area. Blocked by (12).

In the illustrated embodiment employing the above configuration, when the connecting member (2c) is pulled out to the edge of the top plate (1), the bearing pieces (23) and (23) are connected to the top plate (1). Protruding from the edge. In this state, the columns (2b) and (2b) are erected as shown in FIGS. 1 and 8, and the lamp (20) of the lamp holder (2a) is projected horizontally to the upper surface of the top plate (1). Then, the upper surface of the top plate (1) can be illuminated. In addition, at the time of storage, as shown by the imaginary line in FIG. 8, the entire lamp holding portion (2a) is folded between the support portions (2b) and (2b), and the support portion (2a) is put together with the lamp holding portion (2a). 2b) (2b) is turned to a horizontal posture, and the whole is pushed in this state. The connecting body (2c) and the guide bars (11) and (11) are in a paired state, and the casing (C)
Since the size of is set to the predetermined size, the lighting fixture
The whole of (2) can be accommodated in the casing (C). In this stored state, the connecting portion between the front surface of the support body (22) and the tip of the column portion (2b) (2b) is only exposed in a state substantially coincident with the edge of the top plate (1). Therefore, in this stored state, the top plate (1)
In addition to the upper surface, there is no portion that protrudes sideways and downwards, so that it can be used just like a normal table.

In this embodiment, a lock device as shown in FIGS. 5 and 6 is incorporated. This locking device includes an engagement plate (3a) protruding from the center of the back surface of the connecting body (2c),
It is arranged near the short side wall of the casing (C) and the engaging plate (3
a) a rotating cam (3b) provided so as to face the connecting body;
Compression springs (B) and (B) projecting from the back surface of (2c) and provided on the object with the engagement plate (3a) interposed therebetween.

Then, the rotating cam (3) is attached to the engagement plate (3a).
A long hole (31) is formed at a height position corresponding to b), and a projection (32) is provided on the back surface of the connecting body (2c) near the base end of the engagement plate (3a). Rotating fulcrum (33) of moving cam (3b)
Is located on the opposite side of the engagement plate (3a). The rotating cam (3b) is set in a substantially parallelogram shape, and a top portion having a large included angle is a large arc-shaped portion (34).

In this locking device, when the support (22) is pushed in, the compression springs (B) and (B) are compressed and the elongated hole (31) of the engagement plate (3a) and the rotary cam (3b) are pressed. And the projection (32) is pushed further by a certain stroke, and the projection (32) is rotated.
Push the front edge on the other side to rotate the rotary cam (3b) and rotate the fulcrum (33).
(FIG. 9B). Then, the small top portion of the rotary cam (3b) having a small included angle projects into the long hole (31), and the support (22) is urged in the projecting direction by the compression springs (B) and (B). Further, the rotation cam (3b) and the engagement plate (3a) are locked at a predetermined position by the engagement of the engagement plate (3a) (FIG. 9C). In this state, the front surface of the support (22) of the lighting fixture (2) in the housed state coincides with the edge of the top plate (1).

Next, in order to pull out the lighting fixture (2) in the housed state, the support (22) is slightly pushed in. As a result, the top of the rotation cam (3b) located on the opposite side of the rotation fulcrum (33) is projected.
(32) and the long hole (31) is
The engagement plate (3a) is pushed into the position where the rotation of (b) is permitted (FIG. 9-de), and the arc-shaped portion (34) rotates into the elongated hole (31).
When the pressing force of the support (22) is released, the compression spring
(B) The whole is urged in the protruding direction by (B), but at this time, the arc-shaped portion (34) is formed at the top of the rotary cam (3b) having a large included angle. From this part and the slot
While the rotating cam (3b) is rotated without engaging lock with the (31), the tip of the engaging plate (3a) and the rotating cam (3b) are returned to the initial posture by a pair with the rotating cam (3b). (FIG. 9-g), the support (22) is moved to the top plate (1) according to the degree of protrusion of the compression springs (B) and (B).
Protruding from the edge. Lighting fixture with this support (22)
When the whole of (2) is pulled out, the lighting fixture can be used as described above.

Although the lock device has a known configuration, the lock device is brought into a locked state by the first push, the lock is released by the subsequent push of a certain stroke, and the lighting device (2) is returned to the predetermined degree return position. Therefore, it is not necessary to prepare a special handle on the support (22), and when the lighting fixture (2) is stored, it is completely attached to the edge of the top plate (1) and the storage section of the lighting fixture (2). The structure can be made without unevenness, and the top plate (1) does not impair usability.

Further, in this embodiment, when the lighting device (2) is pulled out, the electric circuit to the electric lamp (20) is conducted, and when the lighting device (2) is housed in the casing (C), or when the lighting device (2) is pulled out (the connecting member).
The switch (4), which becomes non-conductive when the (2c) is pushed in from the edge of the top plate (1), is inserted into the circuit for supplying electricity to the lighting electric circuit. Therefore, lighting equipment (2)
Automatically turns off when it is pulled out, and turns off automatically when it is inserted into the casing (C). In this embodiment, the electric lamp
Since (20) is a fluorescent lamp, the electric circuit for the fluorescent lamp such as the inverter device is housed in a box (15) juxtaposed on the short side wall of the casing (C), and the electrical components And the lamp (20) are electrically connected. At this time, the connected body (2c)
The circuit from to the lamp (20) is connected to the base (K) via the holder (H) from the support (22) along one of the columns (2b), and the connecting body (2c) is connected to the circuit (2c). An extendable electric cord (16) is provided between the box (15) and one of the guide bars (11). The power supply circuit (17) to the box (15) is wired along the other guide bar (11), and the switch (4) inserted in this wiring is, as shown in FIGS. The casing (C) is fixed to the top surface near one end of the front opening portion, and its actuator is configured to come into contact with both end surfaces of the connecting body (2c), and the connecting body (2c) is This switch is closed in the state of contact with S).

In the embodiment shown in FIGS. 1 to 9 described above, the casing (C) in which the entire luminaire is closed by the cover plate (12) and opened forward is formed within the thickness of the top plate (1). Recess (10)
Although it is configured to be housed inside, the casing (C) is attached to the top plate (1).
The casing (C) may be attached and fixed to the back surface of the top plate (1) without forming the casing. In addition, electric light (20)
Other types can be used other than the above fluorescent lamp. Further, the connecting body (2c) may be configured to be pulled out from the back surface of the top plate (1) in a swiveling manner.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a use state of an embodiment of the present invention.

FIG. 2 is an explanatory perspective view of a state in which a lighting device (2) is stored.

FIG. 3 is a bottom view of the lamp holding unit (2a).

FIG. 4 is a cross-sectional view of a lamp holding unit (2a).

FIG. 5 is a sectional view of the top plate (1) containing the casing (C).

FIG. 6 is a rear view of this part.

FIG. 7 is a sectional view taken along line XX.

FIG. 8 is an explanatory view of the folding operation and the storing operation of the lighting fixture (2).

FIG. 9 is an explanatory view of the operation of the lock device.

[Explanation of symbols]

 (1) ・ ・ ・ Top plate (2) ・ ・ ・ Lighting fixture (20) ・ ・ ・ Light (2a) ・ ・ ・ Light holding part (2b) ・ ・ ・ Post (2c) ・ ・ ・ Connected body

Claims (1)

(57) [Scope of request for utility model registration] 1. A retractable lighting device capable of illuminating an upper surface of a top plate such as a desk or a table, wherein the lighting device (2) can be pulled out from a side edge of the top plate (1) to a certain range of a back surface side. The lighting fixture (2) is housed, and a light holder for mounting a light (20).
(2a), a column (2b) foldably connected to the lamp holder (2a), and a column (2b) rotatably connected to the column (2b) and slidably slid by the top plate (1). A retractable lighting device comprising a held connector (2c), wherein the connector (2c) can protrude from an edge of the top plate (1).