JPH10275510A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire in which a lamp can be easily replaced with good reflection characteristics. SOLUTION: A reflection plate 7 curved downwardly on a lower face of a luminaire main body 2 opening the lower face and a seating part 10 for rotataby mounting a socket mount 16 are mounted. A lamp socket 19 having an opening at which a base of a high-luminance lamp 20 is inserted into the socket mount 16 is mounted so that an opening side is rotatably moved. At one rim of the luminaire main body 2, one rim of a shade body 35 having a box-shaped light transmissive shade 40 in which the high-luminance lamp 20 can be housed therein is rotatably pivoted. One end of a narrow long plate shaped link part 52 is pivoted on a rotary side of the shade body 35, the other end is pivoted on the rotary side of the socket mount 16, and a link mechanism 53 is constituted. The high-luminance lamp 20 rotatably moves the lamp socket 19 at a smaller angle than the shade body 35 at a position of good reflection characteristics and a position that does not interfere with each site together with rotational movement of the shade body 35.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture having a shade body rotatably provided on a fixture body.

[0002]

2. Description of the Related Art Conventionally, a light-transmitting shade is provided on a fixture body provided with, for example, a reflector bent to the lower surface and a lamp socket for mounting a lamp such that the center of the light source is located at the center of the reflector. 2. Description of the Related Art A lighting device that is provided so as to be rotatable over a cover is known.

[0003] However, in this lighting fixture, since the lamp socket is fixedly provided, when the lamp is replaced, the lamp interferes with the reflector and the replacement work becomes complicated.

Therefore, when the lamp body is provided with a lamp socket and the shade body is turned to face the reflector and covers the lower surface of the appliance body, the center of the light source of the lamp is located at the center of the reflector. When the shade is turned to open the lower surface in the direction away from the reflector due to replacement of the lamp, the lamp socket turns integrally and the lamp is separated from the reflector. It has been known.

[0005]

By the way, in recent years, due to the demand for thin lighting equipment and the purpose of design, etc.,
The seed body is formed in a dome shape having a concave portion in which the lamp is housed so as not to interfere with the lamp.

For this reason, when the lamp socket is mounted on the shade body in consideration of the efficiency of the reflection characteristics from the lamp during normal use, the lamp is located in the recess of the shade body, and the lamp needs to be replaced. In such a case, it may interfere with the shade body and the replacement work becomes complicated. Further, if the lamp socket is provided on the shade body in consideration of the exchangeability of the lamp, there is a problem that the lamp is too close to the reflector and good reflection characteristics cannot be obtained.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a lighting apparatus which can obtain a good reflection characteristic and can easily replace a lamp.

[0008]

According to a first aspect of the present invention, there is provided a lighting fixture, comprising: a fixture main body; a reflector provided on the fixture main body;
A lamp socket, which is rotatably provided in the appliance body and has an opening into which a lamp base is inserted, to which the lamp is mounted; and a light-transmitting, which is rotatably provided in the appliance body and covers the reflector. And a link mechanism for rotating the opening side of the lamp socket in the same direction at an angle different from the rotation angle of the shade body in conjunction with the rotation of the shade body. An opening into which a lamp base of a lamp socket of a lamp socket rotatably provided in the apparatus main body is interlocked with rotation of a translucent shade body rotatably provided in the apparatus main body having a reflection plate. A link mechanism is provided to rotate the unit side in the same direction as the rotation direction of the shade body at an angle different from the rotation angle of the shade body, so that the lamp is positioned with respect to the reflection plate at the position where the shade body covers the reflection plate When the shade is rotated with the lamp socket positioned so that good reflection characteristics can be obtained in opposition to the position described above, the link mechanism interlocks the lamp socket at an angle different from the rotation angle of the shade. By rotating the lamp in the same direction, the lamp is positioned so as not to interfere with the shade body, and the lamp can be easily replaced.

[0009] According to a second aspect of the present invention, there is provided a lighting fixture, comprising:
A reflector provided on the appliance main body, a lamp socket having an opening rotatably provided on the appliance main body and having an opening into which a lamp base is inserted, and a lamp socket for mounting the lamp; A light-transmitting shade body provided with a recess capable of accommodating the lamp and covering the reflector, and by rotating the shade body in a direction to accommodate the lamp in the recess and cover the reflector. By rotating the opening side of the lamp socket to a position where the lamp faces a predetermined position with respect to the reflector, and rotating the shade body in a direction away from the reflector, the lamp is rotated. A link mechanism for rotating the opening side of the lamp socket at a position where the lamp is separated from the reflection plate without being located in the concave portion. Then, by rotating a light-transmitting shade body rotatably provided on the appliance body having the reflection plate, the lamp mounted on the lamp socket rotatably provided on the appliance body with respect to the reflection plate. Then, the opening side of the lamp socket into which the lamp base is inserted is turned so as to face the predetermined position, and the lamp is turned in the direction away from the reflector by turning the shade body away from the reflector. Since the link mechanism that rotates the opening side of the lamp socket in conjunction with the reflector is provided at a position that is not located in the recess but separated from the reflector, the lamp has good reflection characteristics when the shade body covers the reflector. In a non-use state in which the shade body is separated from the reflector, the lamp is separated from the shade body and does not interfere, so that the lamp can be easily replaced.

According to a third aspect of the present invention, there is provided the lighting device according to the first or second aspect, wherein the link mechanism includes a pedestal portion for rotatably mounting the lamp socket to the device main body;
One end is connected to the shade body so as to be rotatable on the rotation side from the rotation fulcrum of the shade body, and the other end is connected to the lamp socket so as to be rotatable on the rotation side from the rotation fulcrum of the lamp socket. And a part. The link mechanism portion rotatably supports one end of the connecting portion to a lamp socket rotatably attached to the appliance body at the pedestal portion so as to be rotatable from a turning fulcrum of the lamp socket to a turning side. The other end of the shaft is rotatably supported on the shade body from the rotation fulcrum of the shade body to the rotation side, and the rotation between the shade body and the lamp socket is interlocked. The lamp can be easily replaced.

According to a fourth aspect of the present invention, in the lighting apparatus according to the third aspect, the lamp socket is rotated in a direction away from the reflecting plate so that the lamp is not located in the concave portion and the lamp is mounted on the lamp socket. A stopper portion is provided which comes into contact with the pedestal portion when it is turned to a position away from the reflection plate and regulates the turning of the lamp socket. Then, when the shade body is rotated in a direction away from the reflector and the lamp is not positioned in the concave portion but is rotated to a position away from the reflector, the lamp socket is rotated in contact with the base. The lamp mechanism has a stopper that restricts the rotation of the shade body, and the link mechanism also restricts the rotation of the shade body, so that the lamp can be easily replaced at a position where the lamp can be easily replaced without interfering with the shade body. Thus, the workability of replacing the lamp is improved.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lighting device according to an embodiment of the present invention.

In FIG. 1 to FIG. 4, reference numeral 1 denotes a lighting fixture. The lighting fixture 1 has a substantially box-shaped fixture main body 2 having an open lower surface. In the instrument body 2, a top plate 4 for closing the inner peripheral side is attached to one end surface in the axial direction of the frame portion 3 formed in a frame shape. It is formed in an open box shape. The frame-shaped portion 3 is provided with a sealing member 5 that comes into contact with the periphery of the top plate portion 4 in a liquid-tight manner, and the sealing member 5 is provided on the inner peripheral opening edge on the lower surface side.

On the upper surface of the top plate 4 of the instrument body 2,
A lighting device (not shown) is attached. Further, a reflection plate 7 having a reflection surface on an inner peripheral surface curved and curved substantially spherically toward the lower surface is attached to substantially the center of the lower surface of the top plate portion 4 of the instrument body 2. A notch 8 is formed at one edge of the reflection plate 7 at a position facing substantially the center of one side of the frame 3 in a concave shape toward the top.

Further, on the lower surface of the top plate portion 4 of the instrument body 2, a frame-shaped portion 3 which is located at a position facing the notch 8 of the reflection plate 7 is provided.
The pedestal part 10 is attached at a position substantially at the center of one side. As shown in FIGS. 1 and 5, the pedestal portion 10 has a rising portion 13 bent at one edge of a flat mounting plate portion 12 attached to the top plate portion 3 with a rivet 11 or the like. A pair of shaft support plates 14 and 14 are respectively formed on both side surfaces of the portion 13 in the bending direction so as to have a U-shaped cross section in the same direction.

The pedestal 10 has a socket mount 16.
Are rotatably supported. This socket mount 16
Are bent in the same direction on opposite sides of a flat bottom plate portion 17 and provided with holding plate portions 18 to form a U-shaped cross section. The socket mount 16 has a top plate 4
A lamp socket 19 having an opening formed therein and connected to a power supply line (not shown) connected to the lighting device is attached.
The lamp socket 19 has an opening 21 in which a base (not shown) of a high-intensity discharge lamp (HID) 20 such as a mercury lamp or a halogen lamp is mounted.
It is fixed to the bottom plate portion 17 of the socket mount 16 so as to open in the bending direction of 18, 18. The socket mount 16 is pivotally supported by the base 10 so that the opening 21 of the lamp socket 19 rotates.

Further, the holding plate portion 18 of the socket mounting base 16,
When the socket mounting base 16 is turned at a predetermined angle on the outer surface of the lamp socket 19 so that the opening 21 of the lamp socket 19 is opened downward, the socket abuts on the edge of the bearing plate 14 of the pedestal 10 and turns. For example, a stopper portion 23 that protrudes in a cylindrical shape, which is a bolt head, is provided.

Further, on the lower surface of the top plate 4 of the instrument body 2,
A bearing 25 is provided at one corner on the side where the pedestal 10 is provided and rotatably supports one end of an air type cylinder 24.

Further, an opening / closing means 26 is provided on the frame-shaped portion 3 of the appliance main body 2 on the opposite side to the pedestal portion 10.
As shown in FIGS. 2 to 4, the opening / closing means 26 has an operation portion 27 whose both sides in the longitudinal direction are bent in opposite directions in a crank shape. Further, a claw portion 29 having a concave locking portion 28 facing the other side is provided at one bent end of the operation portion 27 on one side. In addition, the claw portion 29 is provided with a guide surface portion 30 that is inclined so as to become narrower from the edge of the locking portion 28 toward the distal end portion.

The operating portion 27 has a claw portion 29 protruding from the lower surface side of the frame portion 3, and a side where the claw portion 29 is not provided is opened through a slit portion 31 which opens to the outer surface side of the frame portion 3. The frame 3 is rotatably supported by the frame 3 so as to protrude outward. Further, the operating portion 27 is moved by the leaf spring 32 as urging means attached to the frame portion 3 so that the portion protruding from the slit portion 31 moves toward the upper surface side of the frame portion 3, and the claw portion 29 is moved. Is the locking part
The operation unit 27 and the leaf spring 32 constitute an opening / closing means 26 which is urged to move to the side 28. The opening / closing means 26 moves the operating portion 27 protruding from the slit portion 31 toward the lower surface side of the frame portion 3 against the bias of the leaf spring 32 so that the claw portion 29 It moves to the other side.

On the other hand, 35 is a shade body.
Has a frame 36 formed in a frame shape so as to expand in a trumpet shape on one side in the axial direction. A flange portion 37 is provided on the inner peripheral surface of the frame body 36 so as to protrude inward in a flange shape, and a reinforcing portion 38 is formed at the leading end of the flange portion 37 on the expanding side of the frame body 36. Have been. Further, the inner peripheral edge on the small diameter side of the frame body 36 is bent toward the flange portion 37 side, and a seal member 5 is provided at a distal end portion.

On the small diameter side of the frame 36, a translucent shade 40 made of tempered glass or heat-resistant high-strength resin is used.
Is attached. The shade 40 is provided integrally with the side plate portion 42 at the periphery of the flat plate portion 41 so as to incline so as to expand in accordance with the expansion angle of the frame body 36 on one surface side, and is opened on the expansion side and the inner periphery is opened. It is formed in a substantially box shape having a concave portion 43 on the side. The inner peripheral surface of the side plate portion 42 is formed with a plurality of rib portions 44 whose longitudinal direction extends along the circumferential direction so that the cross section becomes wavy toward the expanding side, so that irregular reflection occurs. . further,
At the leading edge of the side plate portion 42, a frame 36
And a mounting member 45 detachably attached to the flange portion 37, and the frame body 36
A mounting flange 46 is provided integrally with the shade 40 so as to expand toward the expanding side of the 36.

On one side of the frame body 36 on the large diameter side, a butterfly plate 48 attached to one edge of the frame-shaped portion 3 of the instrument body 2 on the side where the pedestal portion 10 is located is attached.

Further, the frame 36 has a reinforcing portion on the rotating side.
A bearing plate 49 is provided on the inner surface of the cylinder 38 for rotatably supporting the other end of the cylinder 24 rotatably attached to the appliance body 2 to prevent the shade body 35 from rotating suddenly. I have.

The shade body 35 covers the reflecting plate 7 with a butterfly plate 48 on one side of the frame 3 of the instrument body 2 where the pedestal portion 10 is located, and opens and closes the lower surface of the instrument body 2. Is mounted to be rotatable. In a state where the shade body 35 is rotated to close the lower surface of the instrument body 2, the leading edge of the reinforcing portion 38 abuts against the sealing member 5 of the frame 3 of the instrument body 2 in a liquid-tight manner, and the shade body 35 is closed. The edge on the large diameter side of the frame body 36 is locked by the locking portion 28 of the claw portion 29 of the opening / closing means 26 so that a liquid-tight closed state is maintained.

Further, on the inner peripheral surface of the reinforcing portion 38 of the frame body 36 of the shade body 35, a pair of flat-plate flange-like couplings whose planes face the pedestal portion 10 on the side where the butterfly plate 48 is provided. The plate parts 51, 51 are protruded. One end of a pair of substantially elongated rod-shaped connecting portions 52 is rotatably supported by the connecting plate portions 51, 51, respectively. The other end of the connecting portion 52 is rotatably supported at one end of the holding plate portion 18 of the socket mount 16 so as to be rotatable.

The connecting member 52 allows the shade body 35 to be connected.
When the is rotated, the opening 21 side of the lamp socket 19 is connected so as to rotate in the same direction at an angle smaller than the rotation angle of the shade body 35, and the connecting portion 52, the base 10 and the lamp socket 19 are connected. A link mechanism 53 is configured by the mounted socket mount 16. The connecting portion 52 is bent so as not to come into contact with the stopper portion 23 and the shaft of the socket mount 16 of the pedestal portion 10 when the shade body 35 moves by rotation.

Next, the operation of the above embodiment will be described.

The lighting fixture 1 which is previously formed by assembling the shade body 35 rotatably on the fixture body 2 in advance.
For example, the frame-shaped portion 3 is attached to a ceiling surface (not shown) such that the reflection plate 7 bends downward. Then, in a state where the lower surface of the appliance body 2 is opened and the reflecting plate 7 is exposed, the base (not shown) of the high-intensity discharge lamp 20 is inserted and attached to the opening 21 of the lamp socket 19, and the shade body 35 is rotated. Then, the lower surface of the instrument body 2 is closed.

At the time of turning the shade body 35 to close the lower surface of the instrument body 2, the edge of the frame 36 on the rotating side of the shade body 35 contacts the guide surface 30 of the claw 29 of the opening / closing means 26. Further, the rotation of the shade body 35 causes the operation section 27 to rotate against the urging of the leaf spring 32 of the opening / closing means 26, and the edge of the frame 36 engages with the locking section 28 of the claw section 29.
When it is located at the position, the operating portion 27 is rotated by the urging of the leaf spring 32, the edge of the frame body 36 is locked by the locking portion 28, and the reinforcing portion of the shade body 35
38 comes into contact with the seal member 5 of the instrument body 2 in a liquid-tight manner, and the shade body 35 is held in a closed state.

Further, the shade body 35 is provided by the link mechanism 53.
The socket mount 16 rotates in the same direction in conjunction with the rotation of
When the high-intensity discharge lamp 20 moves into the notch 8 of the reflector 7 so as not to interfere with the reflector 7 and the shade body 35 is locked by the opening / closing means 26 in a closed state, the high-intensity discharge lamp
A good reflection characteristic is obtained in which the center of the light source 20 is positioned substantially at the center of the reflector 7 so as to oppose a predetermined position with respect to the reflector 7, that is, the light from the high-intensity discharge lamp 20 is reflected best. It is in a state where it can be positioned. Note that, due to the link mechanism 53, the turning angle of the socket mount 16 for mounting the lamp socket 19 is smaller than the turning angle of the shade body 35, and when the shade body 35 is closed, the high-intensity discharge lamp
A part of 20 comes to be located in the concave portion 43 inside the shade 40.

On the other hand, in the case of maintenance and inspection such as replacement of the high-intensity discharge lamp 20, the operation portion 27 of the opening / closing means 26 protruding from the slit-shaped portion 31 has a frame shape against the bias of the leaf spring 32. The claw portion 29 is moved to the side opposite to the locking portion 28 to release the locking of the frame 36 of the shade body 35 by the locking portion 28. Then, the shade body 35 is rotated to open the lower surface of the instrument body 2.

By rotating the shade body 35 to open the lower surface of the instrument body 2, the link mechanism 53 rotates the socket mount 16 in the same direction in conjunction with the rotation of the shade body 35, and The luminance discharge lamp 20 moves away from the reflection plate 7 so as to protrude downward with respect to the appliance main body 2, and moves therefrom.
Is opened at the lower surface. Then, the shade body 35 is rotated to a predetermined angle, that is, a state in which the high-intensity discharge lamp 20 in which the opening 21 of the lamp socket 19 opens downward is protruded downward with respect to the appliance body 2. Then, a stopper portion 23 provided on the outer surface of the holding plate portion 18 of the socket mount 16 is provided.
Is in contact with the edge of the shaft support plate 14 of the pedestal 10
The rotation of the shade body 35 is restricted by restricting the rotation of the 16. In this state, the link mechanism 53 causes the shade body 35 to move.
Since the turning angle of the socket mount 16 for mounting the lamp socket 19 is smaller than the turning angle of the lamp socket 19, the high-intensity discharge lamp 20 is
It is in a state separated from the shade body 35 and the reflection plate 7 without being located in the inside.

Therefore, according to the above embodiment, the apparatus main body 2 having the reflection plate 7 is pivoted relative to the apparatus main body 2 in association with the rotation of the translucent shade body 35 rotatably provided. High-intensity discharge lamp to be mounted in the lamp socket 19 that can be installed
The opening 21 side of the lamp socket 19 into which the base of the high-intensity discharge lamp 20 is inserted so that 20 faces the predetermined position with respect to the reflection plate 7, in the same direction, an angle smaller than the rotation angle of the shade body 35. By rotating the shade body 35 in a direction away from the reflection plate 7, the opening 21 side of the lamp socket 19 is rotated in the same direction at an angle smaller than the rotation angle of the shade body 35, Since the link mechanism 53 is provided so that the high-intensity discharge lamp 20 is not located in the concave portion 43 of the shade body 35 but is separated from the reflector 7, the high-intensity discharge is performed in a use state where the shade body 35 covers the reflector 7. In a non-use state in which the lamp 20 can be opposed to a predetermined position where good reflection characteristics are obtained and the shade body 35 is separated from the reflector 7, the high-intensity discharge lamp 20 is located at a position where it does not interfere with the shade body 35 and the reflector 7. The high-intensity discharge lamp 20 can be easily replaced .

The link mechanism 53 is connected to a lamp socket.
A pedestal portion 10 that rotatably supports a socket mounting base 16 to which 19 is attached, one end of which is rotatably supported by a shade body 35 on the rotation side from the rotation fulcrum of the shade body 35, and the other end of which is a ramp. The socket 19 comprises a connecting portion 52 which is rotatably supported on the rotation side from the rotation fulcrum of the lamp socket 19 and is rotatable.
Since the rotation of the lamp socket 19 and the rotation of the lamp socket 19 are linked, a good reflection characteristic can be obtained with a simple configuration, and a link mechanism that allows easy replacement of the high-intensity discharge lamp 20 can be configured.

Further, when the socket mounting base 16 is rotated at a predetermined angle in a state where the opening 21 of the lamp socket 19 is opened downward on the socket mounting base 16 for fixing the lamp socket 19, the bearing plate of the pedestal part 10 is rotated. A stopper that protrudes in a substantially cylindrical shape, which is a bolt head that contacts the edge of the portion 14 and regulates rotation.
Since the stopper 23 is provided, the high-intensity discharge lamp 20 does not interfere with the shade body 35 and the reflecting plate 7 with a simple configuration in which the bolt is attached to the socket mount 16 and the stopper 23 is provided in a state where the bolt head is projected. The high-intensity discharge lamp 20 can be easily positioned so that the high-intensity discharge lamp 20 can be easily replaced.
Workability of the replacement can be improved.

In the above embodiment, the lamp socket 19 is mounted on the socket mount 16, and the socket mount 16 is rotatably supported on the pedestal 10.
The lamp socket 19 may be directly rotatably supported on the pedestal portion 10.

Although the description has been made using the high-intensity discharge lamp 20 as the lamp, any other lamp may be used, and the lamp socket 19 corresponding to the lamp to be used may be rotatably attached to the appliance body 2. .

Further, as the link mechanism 53, the pedestal 1
Although the description has been made by using the connecting portion 52 and the socket mounting base 16, for example, when the lamp socket 19 is directly rotatably supported on the pedestal portion 10, it is configured by the pedestal portion 10 and the connecting portion 52. For example, any link mechanism that rotates the lamp socket 19 to a predetermined position in conjunction with the rotation of the shade body 35 can be used.

Regardless of the shape of the stopper portion 23, regardless of the substantially cylindrical shape formed by the bolt head,
Any structure that regulates the rotation of the lamp socket 19 can be used, and when there is almost no need to regulate the rotation, the lamp socket 19 need not be provided.

[0041]

According to the lighting apparatus of the first aspect, the link mechanism for rotating the opening side of the lamp socket in the same direction at an angle different from the rotation angle of the shade body in conjunction with the rotation of the shade body. Since the lamp unit is located at the position where the shade body covers the reflector, the lamp faces the predetermined position with respect to the reflector, and the shade body is rotated with the lamp socket positioned so that good reflection characteristics can be obtained. When the lamp mechanism is rotated by the link mechanism in the same direction at an angle different from the rotation angle of the shade body, the lamp is in a position where it does not interfere with the shade body, and good reflection characteristics are obtained. In addition, the lamp can be easily replaced.

According to the lighting apparatus of the second aspect, the opening side of the lamp socket is rotated so that the lamp faces a predetermined position with respect to the reflecting plate in conjunction with the rotation of the shade body,
A link mechanism that turns the opening of the lamp socket in conjunction with the lamp socket at a position where the lamp is not positioned within the concave portion of the shade body but is separated from the reflector when the shade body is rotated away from the reflector is provided. In the use state where the shade body covers the reflector, the lamp faces a predetermined position where good reflection characteristics are obtained, and in the non-use state where the shade body separates from the reflector, the lamp separates from the shade body. Good reflection characteristics can be obtained, and the lamp can be easily replaced.

According to the lighting apparatus of the third aspect, in addition to the effects of the lighting apparatus of the first or second aspect, the link mechanism is connected to the lamp socket rotatably mounted on the apparatus main body at the base. The other end of the connecting portion is pivotally supported on a rotating body from the rotating fulcrum of the shade body so that the other end of the connecting portion is rotatably supported on the rotating side from the rotating fulcrum of the lamp socket. Since the rotation of the shade body and the lamp socket is linked, good reflection characteristics can be obtained with a simple configuration, and the lamp can be easily replaced.

According to the lighting device of the fourth aspect, in addition to the effect of the lighting device of the third aspect, the lamp is not positioned in the concave portion, and the lamp is reflected. When the lamp socket is rotated to a position away from the plate, a stopper portion is provided on the lamp socket for abutting against the pedestal portion and restricting the rotation of the lamp socket. Can be easily positioned with a simple configuration at a position where the lamp can be easily replaced without interfering with the shade body, and the workability of replacing the lamp can be improved.

[Brief description of the drawings]

FIG. 1 is a partially cutaway sectional view showing the vicinity of a link mechanism portion of a lighting fixture according to an embodiment of the present invention.

FIG. 2 is a plan view showing the instrument main body with the shade body removed.

FIG. 3 is a perspective view showing the lighting device.

FIG. 4 is a partially cutaway cross-sectional view showing the vicinity of the opening / closing means of the lighting fixture.

FIG. 5 is a partially cutaway perspective view showing a link mechanism part of the lighting fixture.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Fixture main body 7 Reflector 10 Base 19 Lamp socket 20 High-intensity discharge lamp which is a lamp 21 Opening 23 Stopper 35 Cade body 43 Depression 52 Connecting part 53 Link mechanism part

Claims (4)

[Claims] 1. An appliance main body, a reflector provided on the appliance main body, a lamp socket rotatably provided on the appliance main body and having an opening through which a base of a lamp is inserted and into which the lamp is mounted. A translucent shade body rotatably provided on the appliance body and covering the reflection plate; and turning the shade body in the same direction on the opening side of the lamp socket in conjunction with the rotation of the shade body. A lighting device, comprising: a link mechanism for rotating at an angle different from the moving angle. 2. A fixture main body, a reflector provided on the fixture main body, a lamp socket rotatably provided on the fixture main body and having an opening through which a lamp base is inserted, to which the lamp is mounted. A light-transmitting shade body that is rotatably provided in the instrument body and has a recess to accommodate the lamp and covers the reflector; and a reflector that accommodates the shade in the recess and accommodates the lamp in the recess. By rotating in a direction covering the reflector, the lamp pivots the opening side of the lamp socket to a position facing a predetermined position with respect to the reflector, in a direction to separate the shade body from the reflector. A lamp mechanism for rotating the opening side of the lamp socket at a position where the lamp is separated from the reflector by rotating so that the lamp is not located in the concave portion; vessel . 3. A link mechanism, comprising: a pedestal for rotatably mounting the lamp socket to the instrument body; one end of the link being rotatably supported by the shade body on a rotation side from a rotation fulcrum of the shade body; 3. The lighting apparatus according to claim 1, further comprising: a connecting portion rotatably supported by the lamp socket on a rotation side from a rotation fulcrum of the lamp socket. 4. A lamp socket is provided on a pedestal portion when the shade body is turned in a direction away from the reflector and the lamp is not located in the recess but is turned to a position away from the reflector. 4. The lighting apparatus according to claim 3, wherein a stopper portion is provided for restricting rotation of the lamp socket by contacting the same.