JP2008288107A - Lamp socket device, and luminaire equipped with it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lamp socket device capable of attaching and detaching a lamp without rotating the lamp, and also capable of suppressing damage of the lamp caused by erroneous operation when attaching and detaching the lamp, and a luminaire equipped with it. <P>SOLUTION: This lamp socket device 1 includes a luminaire body 2 having a lamp pin inlet 2b to bring a lamp pin into a lamp pin insertion hole 2a from a direction along the parallel-arranged direction of a pair of lamp pins of the lamp located at a fixed position with respect to the lamp pin insertion hole 2a and the luminaire body, and an electric contact part 5 housed in the luminaire body 2 so as to rotationally move between an open position where a contact 60 is not brought into contact with the lamp pin and a closed position where the contact 60 is brought into contact with the lamp pin in the plane perpendicular to the projecting direction of the lamp pin of the lamp located at the fixed position. An escape hole 45 which is in communication with the lamp insertion hole 2a and is for the lamp pin to enter when the lamp located at the fixed position is rotated with the same rotation axis as that of an electrical connection part 5 is formed in the luminaire body 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a lamp socket device used for attaching a lamp to a fixture body of a lighting fixture and a lighting fixture including the same.

  2. Description of the Related Art Conventionally, a lamp (for example, a straight tube fluorescent lamp) having a power supply lamp pin that protrudes in pairs in the longitudinal direction of a bulb from an end face of a base fixed to each end of a bulb is used as a fixture for a lighting fixture. Many lamp socket devices (or simply referred to as lamp sockets) that can be attached to the main body are provided.

  As a lamp socket device of this type, a contact that is electrically connected by contact with a lamp pin and a rotor that is rotatably supported with respect to the socket case are provided in a socket case fixed to the fixture body. There is something to prepare. In the socket case, a case-side slit through which a pair of lamp pins passes is formed on the outer peripheral surface adjacent to the face facing the base, and a pair of faces introduced from the case-side slit on the face facing the base in the rotor. A rotor side slit into which the lamp pin is inserted is formed. Here, in a state where the rotor side slit communicates with the case side slit, the contacts are arranged on both sides in the width direction of the rotor side slit.

  In this lamp socket device, a pair of lamp pins are inserted into the rotor side slit in a state where the rotor side slit is communicated with the case side slit, and the lamp is rotated about the central axis of the base along the protruding direction of the lamp pin. As a result, each lamp pin comes into contact with each contact and is prevented from coming off from the rotor side slit, and the mounting of the lamp is completed. In addition, the lamp can be removed by rotating the lamp in the opposite direction to that at the time of mounting and removing the lamp pin from the rotor side slit through the case side slit.

  By the way, in the above-mentioned lamp socket device, a space for gripping and rotating the lamp when attaching and detaching the lamp is required around the lamp. Such structural members are often arranged close to the lamp, and there is a case where a sufficient space around the lamp is not secured and it is difficult to hold and rotate the lamp.

  On the other hand, the lamp socket device which can rotate a lamp | ramp without gripping a lamp | ramp is proposed (for example, refer patent document 1).

  The lamp socket device described in Patent Document 1 has an operation arm that is integrally coupled to the rotor and protrudes from the outer peripheral surface of the socket case. With this configuration, by operating the operating arm and rotating the rotor, the lamp rotates together with the rotor-side slit of the rotor, and the lamp can be attached and detached.

  By the way, in the various lamp socket devices described above, since the lamp is rotated around the central axis of the base when the lamp is attached and detached, the central axes of both bases are on the same straight line as in a straight tube fluorescent lamp. This is a prerequisite. That is, a lamp in which the central axes of both caps are not on the same straight line cannot be mounted because the lamp cannot be rotated.

  In view of such a problem, a lamp socket device 1 as shown in FIGS. 10A and 10B has been proposed.

  For example, as shown in FIG. 11A, the lamp socket device 1 is used to attach the lamp 100 to a fixed position with respect to the fixture main body 210 of the lighting fixture 200 and to supply power to the lamp 100. Here, the lamp 100 includes a bulb (light emitting tube) (not shown), a base 110 provided at each of both ends of the bulb, a pair of power supply lamp pins 120 protruding in one direction from each of the bases 110, and the bases 110. The bulb is formed in such a manner that the protruding directions of the lamp pins 120 from the caps 110 are opposite to each other. For example, the bulb has a shape in which two glass tubes formed in a curved shape (for example, a spiral shape) are integrally connected at the center so as to be symmetric with respect to the center between the caps 110. Can be adopted.

  On the other hand, the lighting apparatus 200 includes a disk-shaped apparatus main body 210. The appliance main body 210 is configured such that the lamp 100 is attached to one surface side thereof (the upper surface side in FIG. 11A), and when the lamp 100 is disposed at a fixed position with respect to the appliance main body 210, the base 110 of the lamp 100 is provided. The lamp socket device 1 is disposed in the corresponding part of the instrument main body 210. In addition, the fixture body 210 is provided with a lamp holder that holds (temporarily holds) the lamp 100 in the above-mentioned fixed position, and such a lamp holder includes a pair of elastic members bent from an elastic plate material. It is composed of a piece 300. The elastic piece 300 has a holding piece 310 formed in an arc shape curved along the side peripheral surface of the base 110 of the lamp 100, and is provided in the instrument main body 210 so that the concave sides of the holding piece 310 face each other. It has been. Therefore, by positioning the lamp 100 between the pair of holding pieces 310, the lamp 100 is held by the pair of holding pieces 310, and the lamp 100 is held at the fixed position.

  As shown in FIGS. 10A and 10B, the lamp socket device 1 has a lamp pin insertion hole 2a through which both of the pair of lamp pins 120 of the lamp 100 positioned at the fixed position are inserted, and is positioned at the fixed position. A lamp pin introduction port 2b for introducing the pair of lamp pins 120 into the lamp pin insertion hole 2a from a direction along the parallel direction of the pair of lamp pins 120 of the lamp 100 (the vertical direction in FIG. 10A). It has a container 2 attached to it. In the following description, for the sake of simplification, the front side of the paper surface in FIG. 10A is the front direction of the lamp socket device 1, and the rear side direction of the paper surface in FIG. 10A, the upward direction in FIG. 10A is defined as the upward direction of the lamp socket device 1, and the downward direction in FIG. 10A is defined as the downward direction of the lamp socket device 1, which is the mounting direction of the lamp socket device 1. It is not intended to limit.

  In the container body 2, an electrical connection portion 5 serving as a socket body for electrically connecting a lamp pin 120 of the lamp 100 and a power supply wire (not shown) is in a state where the lamp 100 is positioned at the above-mentioned fixed position. A direction along the protruding direction of the lamp pin 120 (the front-rear direction of the lamp socket device 1) is stored as being rotatable.

  The electrical connection portion 5 includes a pair of conductive plates 6 that electrically connect the lamp pins 120 and the electric wires, and a case 7 in which the pair of conductive plates 6 are accommodated.

  The conductive plate 6 is formed by, for example, bending a plate made of a metal material having elasticity, and the protruding direction of the lamp pin 120 of the lamp 100 located at the fixed position (normal direction of the paper surface in FIG. 10A). A contact portion 60 that contacts in a direction intersecting (orthogonal) with the contact portion 60, and a terminal portion that is formed integrally with the contact portion 60 and that is electrically connected to the electric wire and mechanically holds the electric wire. 61 is integrally provided. Such a pair of conductive plates 6 are formed in a symmetrical shape.

  A pin holding portion 60a (see FIG. 1) that is curved along the outer peripheral surface of the lamp pin 120 is formed at a portion of the contact 60 that is in contact with the lamp pin 120. The lamp pin 120 is formed inside the pin holding portion 60a. The lamp pin 120 is positioned with respect to the contact 60 as a part of.

  The case 7 is a synthetic resin molded product made of, for example, an insulating resin material, and has a hollow cylindrical shape in which the front-rear direction is an axial direction and the outer diameter of the rear end is set smaller than the outer diameter of the front end. Is formed. The rear end portion of the case 7 is used as a shaft portion for rotatably housing the case 7 in the container body 2. A pair of conductive plates 6 are housed inside the case 7 with the respective contacts 60 facing the front surface and the terminal portions 61 facing the rear surface. At this time, the distance between the pin holding portions 60a of the contactor 60 is the distance that each of the lamp pins 120 contacts the pin holding portions 60a with a predetermined contact pressure when the pair of lamp pins 120 are arranged between the pin holding portions 60a. That is, the outer width of the pair of lamp pins 120 (the distance between the outer surfaces of the pair of lamp pins on a straight line passing through the centers of both the lamp pins, and the value obtained by adding the outer diameter of the lamp pins to the distance between the pair of lamp pins. It is set to a distance slightly shorter than (equal distance).

  An insertion hole 70 through which both of the pair of lamp pins 120 of the lamp 100 located at the fixed position are inserted in the front-rear direction on the front surface of the case 7, and the insertion hole 70 is centered on the rotation axis of the case 7. And a circular shape having an inner diameter larger than the outer width of the lamp pin 120. Further, as shown in FIG. 10B, the lamp pin 120 is inserted into the insertion hole 70 from the radial direction (vertical direction) perpendicular to the axial direction (front-rear direction) of the case 7. An introduction port 71 for introduction into the inside is formed so as to communicate with the insertion hole 70, and the width dimension of the introduction port 71 is set to be slightly larger than the outer diameter of the lamp pin 120.

  An operation lever 72 that rotates the case 7 with respect to the container body 2 is integrally projected at the opening edge of the insertion hole 71 on the outer peripheral surface of the case 7. Moreover, in the part corresponding to each terminal part 61 on the rear surface of the case 7, as shown in FIGS. 11 (a) and 11 (b), a wire insertion hole 73 for inserting an electric wire into the case 7 is provided in the front-rear direction. The electric wire is connected to the terminal portion 61 by inserting the electric wire into the case 7 through the electric wire insertion hole 73.

  As shown in FIG. 10 (b), the container body 2 is configured such that the electrical connection portion 5 is accommodated between the body 3 and the body 3 that rotatably supports the electrical connection portion 5 around its axial direction. And the cover 4 attached to the front side of the body 3. That is, the container body 2 serves as a support portion that rotatably supports the electrical connection portion 5 with respect to the instrument body 210 with respect to the electrical connection portion 5 serving as a socket body. The body 3 and the cover 4 are both synthetic resin molded products made of an insulating resin material. In particular, the body 3 is slidable with respect to the resin material used for the case 7 of the electrical connection portion 5. Good resin material is used.

  The body 3 is formed in a cylindrical shape in which the inner diameter of the rear end portion is smaller than the inner diameter of the front end portion, and the rear end portion is used as a bearing portion for the shaft portion of the case 7. Here, the inner diameter of the front end portion of the body 3 is set larger than the outer diameter of the front end portion of the case 7, and the inner diameter of the rear end portion of the body 3 is smaller than the outer diameter of the front end portion of the case 7 and The outer peripheral surface of the rear end portion of the case 7 is in contact with the inner peripheral surface of the rear end portion over almost the entire surface (that is, the rear end portion of the case 7 is unevenly fitted to the rear end portion of the body 3). ing.

  Therefore, the case 7 projects a part of the rear end portion of the body 3 from the rear surface opening of the body 3, and the outer peripheral surface of the rear end portion of the case 7 contacts the inner peripheral surface of the rear end portion of the body 3. The case 7 (that is, the electrical connection portion 5) is supported by the body 3 so as to be rotatable about the central axis of the case 7 as a rotation axis. That is, the electrical connection portion 5 is pivotally supported by the container body 2. Further, the inner diameter of the rear end portion of the body 3 is set smaller than the outer diameter of the front end portion of the case 7, and the case 7 is prevented from dropping backward from the rear surface opening of the body 3.

  An operation window 30 is formed on the outer peripheral surface of the front end portion of the body 3 so that the operation lever 72 of the case 7 protrudes movably. Further, a fixing portion 31 used when fixing the lamp socket device 1 to the fixture body 210 is provided at the lower portion of the body 3. Therefore, the lamp socket device 1 is fixed to the fixture main body 210 by fixing the fixing portion 31 to the fixture main body 210 by a method such as screwing.

  The cover 4 includes a disk-shaped front wall portion 40 that covers the front opening of the body 3, and a peripheral wall portion 41 that protrudes rearward from the peripheral edge portion of the front wall portion 40. A slit 42 having an open upper end is formed in the front wall portion 40 along the vertical direction. The slit 42 is set to have a width dimension slightly larger than the outer diameter of the lamp pin 120, and the lamp pin 120 is inserted so that the parallel direction of the lamp pins 120 is along the vertical direction. Further, the slit 42 is set to have a length dimension so that the lamp 100 can be disposed at the fixed position. Therefore, in this container 2, the lower end portion of the slit 42 through which the lamp pin 120 is inserted when the lamp 100 is positioned at a fixed position constitutes the lamp pin insertion hole 2a. Moreover, from the upper end part of the slit 42 which connects the operation window 30 of the body 3, the opening part 44 of the cover 4 connected to this, and these operation window 30, the opening part 44, and the lamp pin insertion hole 2a in an up-down direction. The communication hole 42a is a lamp pin introduction port 2b.

  Such a cover 4 is assembled to the body 3 in such a manner that the outer peripheral surface of the front end portion of the body 3 is surrounded by the peripheral wall portion 41, and the assembly claws 32 protruding from the outer peripheral surface of the body 3 are provided in the front-rear direction on the peripheral wall portion 41. It is combined with the body 3 by engaging with an assembly hole 43 penetrating through the body 3. An opening 44 that exposes the entire operation window 30 is formed in the peripheral wall 41 corresponding to the operation window 30 of the body 3 so as to communicate with the slit 42.

  With the above-described configuration, the electrical connection portion 5 is housed in the container 2 so as to be rotatable with the front-rear direction as the rotation axis direction. That is, the electrical connection portion 5 is rotatably housed in the body 2 within a surface (hereinafter referred to as a “rotation surface”) orthogonal to the protruding direction of the lamp pin 120 in a state where the lamp 100 is located at the fixed position. Is done. The rotation range of the electrical connection portion 5 is determined by the size of the operation window 30 provided in the body 3 of the vessel body 2. That is, since the operation lever 72 of the electrical connecting portion 5 is inserted through the operation window 30, the movement of the operation lever 72 is restricted by the circumferential inner surface of the operation window 30 in the body 2 contacting the operation lever 72. Therefore, the movement range of the operation lever 72, that is, the rotation range of the electrical connecting portion 5 is determined by the size of the operation window 30.

  In the lamp socket device 1, the electrical connecting portion 5 is positioned so that the insertion hole 71 of the case 7 faces upward (hereinafter referred to as “open position”), and the electrical connecting portion 5 from the open position in FIG. It is housed in the container 2 so as to rotate and move within the rotation plane between a position rotated 90 degrees clockwise (hereinafter referred to as a “closed position”).

  Here, in the state where the electrical connection portion 5 is in the open position, as shown in FIG. 10A, the lamp pin insertion hole 2a, the insertion hole 70, the communication hole 42a, and the introduction port 71 overlap each other in the front-rear direction. ing. Further, as shown in FIG. 12A, the pair of contacts 60 of the electrical connecting portion 5 are connected to each other in the protruding direction of the lamp pin of the lamp 100 positioned at the fixed position (the normal direction of the paper surface in FIG. 12A). ) In the plane orthogonal to the plane (that is, in the plane of FIG. 12A), the direction orthogonal to the parallel direction of the lamp pins 120 (vertical direction in FIG. 12A), that is, the width direction of the slit 42 (FIG. 12A). ) In the left-right direction).

  Therefore, in a state where the electrical connection portion 5 is located at the open position, the movement of the pair of lamp pins 120 in the length direction (vertical direction) of the slit 42 is not restricted, and thus the pair of lamp pins 120 is moved in the length direction of the slit 42. The lamp pin 120 can be freely moved along the lamp pin insertion hole 2 a and the lamp pin introduction port 2 b, and the lamp pin 120 can be inserted into and removed from the slit 42 through the introduction port 71 of the case 7. That is, the lamp 100 can be freely attached and detached.

  By the way, when the pair of lamp pins 120 is inserted into the lamp pin insertion hole 2a with the electrical connecting portion 5 positioned at the open position, the pair of lamp pins 120 are electrically connected as shown in FIG. Although arranged between the pair of contacts 60 in the connecting portion 5, as described above, the pair of contacts 60 face each other along the width direction of the slit 42, and the distance between the pair of contacts 60 is a pair of lamp pins 120. Therefore, each of the pair of contacts 60 is not in contact with each of the pair of lamp pins 120, and the contacts 60 and the lamp pins 120 are electrically connected to each other. Not.

  On the other hand, when the electrical connecting portion 5 is rotated from the open position to the closed position, the pair of contacts 60 is changed from the state shown in FIG. 12A to the state shown in FIG. As shown in FIG. 12 (c), the pair of contacts 60 of the electrical connecting portion 5 are rotated in the parallel direction of the lamp pins 120 (in FIG. 12 (c)). It is opposed in the direction along the length direction of the slit 42. In this case, in the state where the electrical connection portion 5 is in the closed position, the lamp pin insertion hole 2a and the insertion hole 70 overlap in the front-rear direction, but the communication hole 42a and the introduction port 71 do not overlap in the front-rear direction.

  Therefore, in a state where the electrical connecting portion 5 is located at the closed position, as shown in FIG. 12C, each of the pair of contacts 60 comes into contact with each of the pair of lamp pins 120, and the contacts 60, the lamp pins 120, Are electrically connected. At this time, the pair of lamp pins 120 are sandwiched between the pin holding portions 60a of the pair of contacts 60, and the contacts 60 are made of an elastic metal material. Therefore, the contacts 60 contact the lamp pins 120 with a predetermined contact pressure. To do.

  Further, in this state, the lamp pin 120 is sandwiched between the pair of contacts 60 in the direction along the length direction of the slit 42, whereby the movement of the lamp pin 120 in the length direction of the slit 42 is restricted (the pair of lamp pins 120 cannot be moved freely along the length of the slit 42), and the lamp 100 cannot be removed from the lamp socket device 1, and the lamp 100 can be removed as shown in FIG. Fixed in place.

  Further, in the state where the electrical connection portion 5 is located at the closed position, the communication hole 42a and the introduction port 71 do not overlap in the front-rear direction as described above, so the operation window 30 exposed from the opening portion 44 is blocked by the case 7. Thus, the lamp pin 120 cannot be inserted into the lamp pin insertion hole 2a through the lamp pin introduction port 2b, and the lamp 100 cannot be attached to the lamp socket device 1.

  Thereafter, if the electrical connecting portion 5 is rotated from the closed position to the open position, the pair of contacts 60 face each other in the width direction of the slit 42, and the pair of contacts 60 come into contact with each of the pair of lamp pins 120. Since the movement of the pair of lamp pins 120 in the length direction of the slit 42 is not restricted, the pair of lamp pins 120 can be freely moved along the length direction of the slit 42 and the case 7 The lamp pin 120 can be inserted into and removed from the slit 42 through the inlet 71, and the lamp 100 can be freely attached and detached as shown in FIG.

  In the lamp socket device 1 described above, in a state where the electrical connecting portion 5 is located at the open position, in a plane orthogonal to the protruding direction of the lamp pin 120 of the lamp 100 located at a fixed position with respect to the fixture body 210 of the lighting fixture 200. Since the pair of contactors 60 do not contact with each of the pair of lamp pins 120 inserted through the lamp pin insertion hole 2a in a direction crossing the parallel direction of the pair of lamp pins 120, the lamp pins 120 The lamp pin 120 can be freely moved between the lamp pin insertion hole 2a and the lamp pin introduction port 2b, and the lamp pin 120 is inserted into the lamp pin insertion hole 2a via the lamp pin introduction port 2b so that the lamp 100 is positioned at the above-mentioned fixed position. it can.

  On the other hand, when the electric connecting portion 5 is positioned at the closed position with the lamp 100 positioned at the fixed position, the pair of contacts 60 face each other in the parallel direction and a pair of lamp pins 120 are paired. Therefore, the lamp pin 120 cannot freely move between the lamp pin insertion hole 2a and the lamp pin introduction port 2b, and the lamp pin 120 can be fixed at the fixed position.

Therefore, according to the lamp socket device 1, the lamp 100 can be attached and detached without rotating the lamp 100 by rotating the electrical connecting portion 5 between the open position and the closed position. Therefore, by using such a lamp socket device 1, it becomes possible to attach a lamp 100 whose base axis is not on the same straight line as shown in FIGS. 11 (a) and 11 (b).
Japanese Patent Laying-Open No. 2005-294239 (see paragraph numbers [0016] to [0018] and FIGS. 3 and 4 of the specification)

  In the lamp socket device 1 described above, the lamp 100 is attached and detached by rotating the electrical connection portion 5 of the lamp socket device 1 instead of rotating the lamp 100. The attachment / detachment method is completely different from that of attaching / detaching the lamp 100 by rotating it.

  Therefore, after the lamp pin 120 is inserted into the lamp pin insertion hole 2a as shown in FIG. 13A, the electric connection portion 5 is not rotated, but the lamp 100 is rotated as shown in FIG. 13B. There is a high possibility that an erroneous operation will be performed.

  When such an erroneous operation is performed, the lamp pin 120 comes into contact with the inner peripheral surface of the lamp pin insertion hole 2a, and if the lamp 100 is further rotated from this state, both the lamp pin 120 and the body 2 are loaded. For example, the lamp pin 120 is broken or the slit 42 is pushed and widened, so that the cover 4 is broken, and the lamp 100 and the body 2 may be damaged.

  The present invention has been made in view of the above points, and its purpose is to allow the lamp to be attached / detached without rotating the lamp, and in addition, damage to the lamp, etc. caused by an erroneous operation when the lamp is attached / detached. It is an object of the present invention to provide a lamp socket device and a lighting fixture having the same.

  In order to solve the above-described problem, in the invention of claim 1, a lamp having a pair of power supply lamp pins provided in a fixture body of a lighting fixture and protruding in one direction from a base is attached to a fixed position with respect to the fixture body. And a lamp socket device used for supplying power to the lamp, wherein both of the pair of lamp pins of the lamp positioned at the fixed position are inserted, and the pair of lamp pins of the lamp positioned at the fixed position A container having a lamp pin introduction port for introducing a pair of lamp pins into the lamp pin insertion hole from a direction along the parallel direction, and a pair of contacts that contact in a direction intersecting the protruding direction of the lamp pin of the lamp located at the fixed position. A pair of contacts facing each other in a direction crossing the parallel direction in a plane orthogonal to the protruding direction and inserting the lamp pin insertion hole. A pair of contactors is provided in each of the pair of lamp pins inserted through the lamp pin insertion holes with the open position where the pair of contactors do not contact each of the pair of lamp pins and the pair of contacts facing each other in the direction along the parallel direction. An electrical connection portion housed in the container so as to rotate and move in the plane between the contacted closed position, the lamp body being in communication with the lamp pin insertion hole and being positioned at the fixed position Is formed with an escape hole into which each of the pair of lamp pins enters when rotated on the same rotating shaft as the electrical connecting portion.

  According to the first aspect of the present invention, in a state where the electrical connection portion is located at the open position, the pair of lamp pins are arranged in parallel in a plane perpendicular to the protruding direction of the lamp pins of the lamp located at a fixed position with respect to the fixture body of the lighting fixture. Since the pair of contacts do not contact with each of the pair of lamp pins inserted in the lamp pin insertion hole in a direction crossing the direction, the lamp pin can freely move between the lamp pin insertion hole and the lamp pin introduction port. The lamp pin can be inserted into the lamp pin insertion hole via the lamp pin introduction port and the lamp can be positioned at the fixed position, while the lamp is positioned at the fixed position. Since the pair of contacts face each other in the parallel direction and the pair of contacts come into contact with each of the pair of lamp pins. Since the pin pin cannot move freely between the lamp pin insertion hole and the lamp pin introduction port and the lamp pin can be fixed at the above-mentioned fixed position, the electrical connection portion can be rotated and moved between the open position and the closed position in this way. Thus, the lamp can be attached and detached without rotating the lamp. In addition, even if the lamp is accidentally rotated on the same rotation axis as the electrical connection portion instead of the electrical connection portion with the lamp positioned at the above-mentioned fixed position, the lamp pin moved with the rotation of the lamp is Since it enters the escape hole communicating with the lamp pin insertion hole, it is possible to prevent the lamp pins from coming into contact with the body and applying an excessive load to each other, thereby damaging the lamp and the body.

  According to a second aspect of the present invention, in the first aspect of the present invention, the escape pin is configured such that the lamp pin is attached to the body until the lamp positioned at the fixed position rotates 90 degrees in a predetermined rotation direction on the same rotation axis as the electrical connection portion. It is formed in a shape that prevents contact.

  According to the invention of claim 2, the size of the escape hole is compared with the escape hole in which the lamp positioned at a fixed position can be rotated more than 90 degrees in the specified rotational direction on the same rotational axis as the electrical connection portion. Since the size can be reduced, it is possible to prevent a finger or the like from touching a charging portion such as a pair of contacts in the body through the lamp pin insertion hole and the escape hole when the lamp is attached or detached. In addition, even if the lamp is accidentally rotated, the lamp can be rotated 90 degrees from the fixed position. Since there is a high possibility of noticing, the performance in comparison with the case of providing a relief hole capable of rotating the lamp beyond 90 degrees in terms of suppressing the breakage of the lamp and the body can be obtained.

  In the invention of claim 3, in the invention of claim 2, the container communicates with the escape hole into which one lamp pin located on the lamp pin inlet side enters when the lamp is located at the fixed position, and the fixed position is When the lamp is to be rotated more than 90 degrees in the specified rotation direction with the same rotation axis as the electrical connection part, a guide hole into which one lamp pin enters is formed to guide the other lamp pin to the lamp pin introduction port It is characterized by being made.

  According to the invention of claim 3, when the lamp is rotated more than 90 degrees in the specified rotation direction from the fixed position on the same rotation axis as the electrical connection portion, when the lamp is positioned at the fixed position, One lamp pin located on the lamp pin introduction port side enters the guide hole, and the other lamp pin is guided to the lamp pin introduction port, so that the lamp located at a fixed position is 90 in the specified rotation direction on the same rotation axis as the electrical connection portion. In addition to providing a relief hole that can be rotated up to a certain degree, it is possible to prevent damage to the lamp and the body, and when attaching or detaching the lamp, a finger or the like passes through the lamp pin insertion hole and the escape hole, and a pair of contacts in the body. The performance which is inferior in respect of the suppression of touching the charged part is obtained.

  The invention according to claim 4 is characterized in that the fixture body is provided with the lamp socket device according to any one of claims 1 to 3.

  According to the invention of claim 4, it is possible to attach and detach the lamp without rotating the lamp, and furthermore, it is possible to suppress breakage of the lamp and the like due to an erroneous operation at the time of attaching and detaching the lamp.

  According to the present invention, it is possible to attach and detach the lamp without rotating the lamp, and further, it is possible to suppress the damage of the lamp and the like due to an erroneous operation at the time of attaching and detaching the lamp.

(Embodiment 1)
The lamp socket device 1 according to the present embodiment is provided in the fixture body 210 of the lighting fixture 200 and has a power supply projecting in one direction from the base 110, as in the conventional example shown in FIGS. 10 (a) and 10 (b). The lamp 100 having a pair of lamp pins 110 is used for mounting to a fixed position with respect to the fixture body 210 and supplying power to the lamp 100, and both the pair of lamp pins 120 of the lamp 100 positioned at the fixed position are inserted. The lamp body 2 having the lamp pin insertion hole 2b for introducing the pair of lamp pins 120 into the lamp pin insertion hole 2a from the direction along the parallel direction of the pair of lamp pins 120 of the lamp 100 located at the fixed position. And a pair of contacts that contact in a direction intersecting the protruding direction of the lamp pin 120 of the lamp 100 located at the fixed position. Each of the pair of lamp pins 120 having 0 and the pair of contacts 60 facing each other in a direction intersecting the parallel direction in a plane orthogonal to the projecting direction (in the rotation surface) is inserted through the lamp pin insertion hole 2a. A pair of contacts 60 is provided in each of the pair of lamp pins 120 in which the pair of contacts 60 face each other in the direction along the parallel direction and are inserted through the lamp pin insertion holes 2a. An electrical connecting portion 5 housed in the container body 2 is provided so as to rotate within the plane between the contacted closed position.

  In the lamp socket device 1 of the present embodiment, the configuration of the container 2 is different from the conventional example shown in FIGS. Since the other configuration is the same as that of the conventional example, the description of the same configuration is omitted.

  In the cover 4 of the container body 2 in this embodiment, as shown in FIG. 1, the lamp 100 is formed in a shape communicating with the lamp pin insertion hole 2a on each of the inner surfaces in the width direction of the slit 42 and positioned at the above-mentioned fixed position. Is formed with an escape hole 45 into which each of the pair of lamp pins 120 enters when rotated around the same rotational axis as the electrical connecting portion 5. That is, the container body 2 in the present embodiment is different from the conventional example shown in FIG.

  Such a relief hole 45 is formed in a shape that allows the lamp 100 positioned at the fixed position to rotate 360 degrees around the same rotation axis as the electrical connection portion 5. That is, the escape hole 45 and the lamp pin insertion hole 2a form a circular opening having a diameter larger than the outer width of the pair of lamp pins 120 around the rotation axis in the cover 4 (lamp pin). It can also be said that the insertion hole 2a is formed in a circular shape having a diameter larger than the outer width of the pair of lamp pins 120 around the rotation axis). In the following description, in order to distinguish the pair of escape holes 45, the left escape hole 45 in FIG. 1 is denoted by reference numeral 45A and the right escape hole 45 in FIG. To express. Further, in order to distinguish the pair of lamp pins 120, if necessary, when the lamp 100 is positioned at a fixed position, one lamp pin (upper lamp pin) 120 on the lamp pin introduction port 2b side is represented by reference numeral 120A. The other lamp pin (lower lamp pin) 120 is denoted by reference numeral 120B.

  Therefore, in the lamp socket device 1 of the present embodiment, as shown in FIG. 2A, the lamp 100 is electrically connected after the pair of lamp pins 120 is inserted into the lamp pin insertion hole 2a via the lamp pin introduction port 2b. 2, even if the lamp 5 is rotated in the direction indicated by the arrow A in FIG. 2A (counterclockwise direction when the lamp socket device 1 is viewed from the front side), for example, As shown in (b), the lamp pin 120A enters the escape hole 45A and the lamp pin 120B enters the escape hole 45B, so that the lamp pin 120 does not contact the cover 4. FIG. 2B shows a state in which the lamp 100 positioned at a fixed position is rotated by 90 degrees. In this state, each of the pair of lamp pins 120 comes into contact with each of the pair of contacts 60 to electrically Connected to. At this time, since the pair of lamp pins 120 is sandwiched between the pin holding portions 60 a of the pair of contacts 60, the lamp 100 is fixed to the lamp socket device 1. Further, since the width dimension of the communication hole 42a is smaller than the outer width between the pair of lamp pins 120, the pair of lamp pins 120 cannot move in the communication hole 42a. When the lamp 100 is further rotated in the direction indicated by the arrow A from this state, as shown in FIG. 2 (c), each lamp pin 120 is placed in each escape hole 45 so that the lamp pin 120A is on the lower side and the lamp pin 120B is on the upper side. The lamp 100 will eventually move to a position rotated 180 degrees in the direction of arrow A with respect to a fixed position (position shown in FIG. 2A).

  On the other hand, as shown in FIG. 2A, after the lamp pin 120 is inserted into the lamp pin insertion hole 2a, the lamp 100 is rotated around the rotation axis of the electrical connecting portion 5 in a direction opposite to the direction indicated by the arrow A, for example. Even if the lamp socket device 1 is rotated in the clockwise direction when viewed from the front side, the lamp pin 120A enters the escape hole 45B and the lamp pin 120B enters the escape hole 45A. There is no contact. Here, when the lamp 100 located at the fixed position is rotated by 90 degrees, the pair of lamp pins 120 are in contact with and electrically connected to the pair of contacts 60, respectively. At this time, similarly to the case shown in FIG. 2B, the lamp 100 is fixed to the lamp socket device 1, and the pair of lamp pins 120 cannot move in the communication hole 42a. When the lamp 100 is further rotated in the direction opposite to the direction indicated by the arrow A from this state, each lamp pin 120 moves in each escape hole 45 so that the lamp pin 120A is on the lower side and the lamp pin 120B is on the upper side. In any case, the lamp 100 moves to a position rotated 180 degrees in the direction opposite to the arrow A with respect to the fixed position (position shown in FIG. 2A).

  According to the lamp socket device 1 of the present embodiment described above, in a state where the electrical connection portion 5 is located at the open position, a pair of contacts in the direction intersecting the parallel direction of the pair of lamp pins 120 within the rotation surface. Since the pair of contacts 60 do not come into contact with each of the pair of lamp pins 120 through which the lamps 60 face each other and are inserted through the lamp pin insertion holes 2a, the lamp pins 120 can freely move between the lamp pin insertion holes 2a and the lamp pin introduction ports 2b. Then, the lamp pin 120 can be inserted into the lamp pin insertion hole 2a via the lamp pin introduction port 2b, and the lamp 100 can be positioned at the fixed position, while the lamp 100 is positioned at the fixed position. When the portion 5 is positioned at the closed position, the pair of contacts 60 face each other in the parallel direction, and the pair of lamp pins 120 respectively. Since the pair of contacts 60 come into contact with each other, the lamp pin 120 cannot freely move between the lamp pin insertion hole 2a and the lamp pin introduction port 2b, and the lamp pin 120 can be fixed at the above-mentioned fixed position. By rotating and moving between the open position and the closed position, the same effect as the lamp socket device 1 of the above-described conventional example that the lamp can be attached and detached without rotating the lamp can be obtained.

  In addition, according to the lamp socket device 1 of the present embodiment, the lamp 100 is erroneously rotated on the same rotational axis as that of the electrical connection portion 5 instead of the electrical connection portion 5 in a state where the lamp 100 is positioned at the fixed position. Even if the lamp pin 120 moved with the rotation of the lamp 100 enters the escape hole 45 communicating with the lamp pin insertion hole 2a, the lamp pin 120 contacts the body 2 and an excessive load is applied to the lamp pin 120. It can suppress that 100 and the container 2 are damaged. In addition, after the lamp pin 120 is inserted into the lamp pin insertion hole 2a via the lamp pin introduction port 2b, if the lamp 100 is rotated 90 degrees around the rotation axis of the electrical connecting portion 5, each of the pair of lamp pins 120 is paired. Therefore, instead of rotating the electrical connection portion 5, the lamp 100 can be rotated instead of rotating the electrical connection portion 5.

  And according to the lighting fixture 200 with which the lamp socket apparatus 1 of this embodiment is provided in the fixture main body 210, the lamp 100 can be attached and detached without rotating the lamp 100. Damage to the lamp 100, the lamp socket device 1, and the like due to erroneous operation can be suppressed.

  By the way, in the lighting fixture 200 shown to FIG. 11 (a), (b), although the two lamp socket devices 1 of the same type are utilized, as one lamp socket device 1, as FIG. 3 (a), You may make it utilize the lamp socket apparatus 10 as shown to (b).

  Similar to the lamp socket device 1, the lamp socket device 10 is provided in the fixture main body 210 of the lighting fixture 200 and is used for mounting the lamp 100 in a fixed position with respect to the fixture main body 210 and supplying power to the lamp 100. is there.

  As shown in FIGS. 3 (a) and 3 (b), the lamp socket device 10 has a lamp pin insertion hole 81a through which both the pair of lamp pins 120 of the lamp 100 located at the above-described fixed position are inserted into the instrument body 210. Thus, the container body 8 attached to the instrument body 210 is provided.

  In the container 8, the pair of conductive plates 6 described above have the contacts 60 facing the front side and the terminal portion 61 facing the rear side, and the parallel direction of the pair of lamp pins 120 of the lamp 100 positioned at the fixed position ( A pair of contacts 60 are accommodated in the direction along the vertical direction in FIG.

  As shown in FIG. 3 (b), the container body 8 is disposed on the front side of the body 80 in such a manner that the pair of conductive plates 6 is stored between the body 80 and the body 80. The cover 81 is attached. The body 80 and the cover 81 are both synthetic resin molded products made of an insulating resin material.

  The body 80 is formed in a cylindrical shape whose front surface is open and whose rear surface is closed, and a wire insertion hole (for inserting an electric wire into the body 80) in a portion corresponding to each terminal portion 61 on the rear surface of the body 80. (Not shown) are penetrated in the front-rear direction, and the electric wire is connected to the terminal portion 61 by inserting the electric wire into the body 80 through these electric wire insertion holes. In addition, a fixing portion 80 a used when fixing the lamp socket device 10 to the fixture body 210 is provided at the lower end portion of the body 80. Therefore, the lamp socket device 1 is fixed to the fixture main body 210 by fixing the fixing portion 80a to the fixture main body 210 by a method such as screwing.

  The cover 81 includes a disc-shaped front wall 81b that covers the front opening of the body 80, and a peripheral wall 81c that protrudes rearward from the peripheral edge of the front wall 81b. While being covered with the front wall portion 81b, the outer peripheral surface of the front end portion of the body 80 is combined with the body 80 so as to be surrounded by the peripheral wall portion 81c. The front wall portion 81b is provided with a lamp pin insertion hole 81a penetrating in the front-rear direction to expose both the contacts 60 of the pair of conductive plates 6 accommodated in the body 80 to the front. The lamp pin insertion hole 81a is set to have a diameter larger than the outer width of the pair of lamp pins 120. With both the lamp pins 120 inserted into the lamp pin insertion holes 81a, the lamp 100 is rotated around the central axis of the lamp pin insertion holes 81a. Can be rotated 360 degrees.

  In the lamp socket device 10, as shown in FIG. 3A, a pair of conductive plates 6 are housed in the container body 8 so that the pair of contacts 60 face each other in the direction along the parallel direction. Yes.

Therefore, in the lamp socket device 10, as shown in FIG. 4 (a), along the direction intersecting the opposing direction of the pair of contacts 60 (vertical direction in FIG. 4 (a)) within the rotating surface. After the pair of lamp pins 120 are inserted into the body 8 through the lamp pin insertion holes 81a in a form in which the pair of lamp pins 120 are arranged, the lamp 100 is rotated about the central axis of the lamp pin insertion holes 81a as shown in FIG. When the pair of lamp pins 120 are rotated in the clockwise direction (indicated by the arrow C in FIG. 4A) and the pair of lamp pins 120 are brought into contact with the pair of contacts 60, the pair of lamp pins 120 are paired with the pair of contacts 60. And the lamp 100 is fixed to the lamp socket device 10. Such a lamp socket device 10 and the lamp socket device of this embodiment are clamped between the pin holders 60a. When the lamp 100 is attached to the lighting fixture 200 provided with the fixture 1 on the fixture body 210, first, the lamp 100 sets the lamp socket device 10 in the parallel direction of the pair of lamp pins 120 of the base 110 within the rotation plane. The pair of lamp pins 120 of one of the caps 110 is inserted into the body 8 through the lamp pin insertion holes 81a so as to extend along the direction crossing the opposing direction of the pair of contactors 60. The center axis of the lamp pin insertion hole 81a is rotated as a rotation axis, and the pair of lamp pins 120 of the other base 110 are inserted into the lamp pin insertion hole 2a from the lamp pin introduction port 2b of the lamp socket device 1, and finally, the electrical connection portion 5 May be rotated from the open position to the closed position.

  Therefore, if one of the two lamp socket devices 1 is the lamp socket device 10, the number of rotations of the electrical connecting portion 5 can be reduced by half when the lamp 100 is attached / detached. Easy to attach and detach. If the lamp socket device 10 is arranged in a small space in the fixture main body 210 of the lighting fixture 200, it is not necessary to perform the rotation operation of the electrical connecting portion 5 in the narrow space, and the lamp 100 can be attached to and detached from the fixture main body 210. It will be easier to do. Furthermore, the lamp socket device 10 has a simpler configuration than that of the lamp socket device 1 according to the present embodiment, the number of parts is small, and the manufacturing cost is low. Therefore, the manufacturing cost of the entire lighting fixture 200 can be reduced.

  In addition, the structure of the lamp socket apparatus 1 of this embodiment is not limited to said example, The change of the grade which does not deviate from the meaning of invention is possible. Further, the lamp socket device 1 of the present embodiment is not only a lighting fixture 200 for the lamp 100 whose center axis of the base 110 does not coincide as shown in FIGS. 11A and 11B, but also a straight tube type. The present invention can also be used for lighting fixtures such as fluorescent lamps whose center axes coincide with each other, and the types of lighting fixtures are not particularly limited.

(Embodiment 2)
The lamp socket device 1 of the present embodiment is different from the first embodiment in the shape of the escape hole 45 of the cover 4, and the other configuration is the same as that of the first embodiment, and thus the description of the same configuration is omitted. .

  As shown in FIG. 5, the relief hole 45 in the present embodiment is configured such that the lamp 100 positioned at the fixed position is 90 in the prescribed rotation direction (the direction indicated by the arrow A in FIG. 5) with the same rotation axis as that of the electrical connection portion 5. The lamp pin 120 is prevented from coming into contact with the container body 4 until it is rotated.

  In the cover 4 in the present embodiment, the fan hole having a central angle of 90 degrees having a diameter larger than the outer width of the pair of lamp pins 120 is formed on the cover 4 by the escape hole 45 and the lamp pin insertion hole 2a. An opening having a shape arranged symmetrically with respect to the center is formed (the lamp pin insertion hole 2a has a central angle 90 having a diameter larger than the outer width of the pair of lamp pins 120 with the rotation axis as the center. It can be said that the fan shape of the degree is formed so as to be symmetrical with respect to the center).

  Therefore, in the lamp socket device 1 of the present embodiment, as shown in FIG. 6A, after the pair of lamp pins 120 are inserted into the lamp pin insertion holes 2a via the lamp pin introduction port 2b, the lamp 100 is electrically connected. For example, even if the shaft 5 is rotated in the direction indicated by the arrow A in FIG. 6A, the lamp pin 120A is inserted into the escape hole 45A and the lamp pin 120B as shown in FIG. 6B. Enters the escape holes 45B, and therefore does not contact the cover 4 until the lamp pin 120 rotates 90 degrees. FIG. 6B shows a state in which the lamp 100 positioned at a fixed position is rotated 90 degrees in the direction of arrow A. In this state, each of the pair of lamp pins 120 contacts each of the pair of contacts 60. Are electrically connected. At this time, since the pair of lamp pins 120 is sandwiched between the pin holding portions 60 a of the pair of contacts 60, the lamp 100 is fixed to the lamp socket device 1. Further, since the width dimension of the communication hole 42a is smaller than the outer width between the pair of lamp pins 120, the pair of lamp pins 120 cannot move in the communication hole 42a. In the lamp socket device 1 of the present embodiment, the lamp 100 can hardly be rotated in the direction opposite to the direction indicated by the arrow A from the state shown in FIG.

  According to the lamp socket device 1 of the present embodiment described above, the lamp 100 positioned at a fixed position is in the prescribed rotation direction with the same rotation axis as the electrical connecting portion 5 (in this embodiment, the lamp socket device 1 is viewed from the front. Compared with the escape hole 45 of the first embodiment, which can be rotated more than 90 degrees in the counterclockwise direction in the case), the size of the escape hole 45 can be reduced. 2a and the escape hole 45 can suppress touching charged parts (namely, the electrically-conductive board 6), such as a pair of contactor 60 in the container body 2. FIG.

  Further, even if the lamp 100 is accidentally rotated, the lamp 100 can be rotated 90 degrees from a fixed position. If the lamp 100 can be rotated 90 degrees, the person who attaches or detaches the lamp 100 incorrectly operates the lamp 100. Therefore, in terms of suppressing damage to the lamp 100 and the body 2 as compared with the case where the escape hole 45 capable of rotating the lamp 100 over 90 degrees as in the first embodiment is provided. Even inferior performance can be obtained.

  Of course, also in the lamp socket device 1 of the present embodiment, as in the first embodiment, the electric connecting portion 5 is rotated between the open position and the closed position, so that the lamp can be attached and detached without rotating the lamp. The effect that can be performed is obtained.

  The escape hole 45 in the present embodiment is formed in a shape that prevents the lamp pin 120 from contacting the body 4 until the lamp 100 positioned at the fixed position is rotated 90 degrees in the direction indicated by the arrow A. However, the lamp pin 120 is prevented from coming into contact with the container 4 until the lamp 100 positioned at the fixed position is rotated 90 degrees in the direction opposite to the direction indicated by the arrow A. May be. In the present embodiment, the lamp 100 can be rotated up to 90 degrees by the escape hole 45, but this does not mean that it is strictly 90 degrees, but may be a degree that can be regarded as approximately 90 degrees, The point is that the angle is such that each of the pair of lamp pins 120 can contact each of the pair of contacts 60. The rotation angle of the lamp 100 that can be rotated by the escape hole 45 is not necessarily limited to 90 degrees, and may be changed according to the situation.

(Embodiment 3)
In the lamp socket device 1 of the present embodiment, the configuration of the cover 4 is different from that of the first embodiment, and the other configurations are the same as those of the first embodiment. Therefore, the description of the same configurations is omitted.

  As shown in FIGS. 7 to 9, the cover 4 in the present embodiment communicates with an escape hole 45 </ b> A into which one lamp pin 120 </ b> A located on the lamp pin introduction port side enters when the lamp 100 is located at the fixed position. When the lamp 100 is to be rotated more than 90 degrees from the fixed position in the specified rotation direction (the direction indicated by the arrow A in FIG. 7) with the same rotation axis as that of the electrical connection portion 5, the other lamp pin 120B is connected to the lamp pin. A guide hole 46 into which one lamp pin 120A enters is formed so as to be guided to the introduction port 2b.

  The guide hole 46 is provided on the inner peripheral surface of the escape hole 45A facing the lamp pin 120A when the lamp 100 is rotated 90 degrees in the direction indicated by the arrow A from the fixed position. The width dimension (the vertical dimension in FIG. 7) of the guide hole 46 is set to a value slightly larger than the outer diameter of the lamp pin 120, and the length dimension (the horizontal dimension in FIG. 7) Is set to a value that allows the lamp 100 to move leftward to a position where the other lamp pin 120B overlaps the communication hole 42a in the vertical direction.

  When the lamp pin 120 is moved along the inner peripheral surface of the escape hole 45B by the inner peripheral surface of the escape hole 45B and the slit 42, the cover 4 moves from the inner peripheral surface of the escape hole 45B to the inner side of the slit 42. It is continuous so as to have a curved shape that can move to the peripheral surface. Moreover, the electrical connection part 5 is comprised so that the movement of the lamp pin 120 as shown in FIG. 8, 9 may not be prevented because the contactor 60 bends by the press of the lamp pin 120. FIG.

  Therefore, in the lamp socket device 1 of the present embodiment, as shown in FIG. 8A, after the pair of lamp pins 120 is inserted into the lamp pin insertion hole 2a via the lamp pin introduction port 2b, the lamp 100 is electrically connected. For example, even if the shaft 5 is rotated in the direction indicated by the arrow A in FIG. 8A, the lamp pin 120A is inserted into the escape hole 45A and the lamp pin 120B as shown in FIG. 8B. Enters the escape holes 45B and does not contact the cover 4 until the lamp pin 120 rotates 90 degrees as shown in FIG. 8C.

  FIG. 8B shows a state where the lamp 100 is rotated 60 degrees, and FIG. 8C shows a state where the lamp 100 is rotated 90 degrees. Further, in the state shown in FIG. 8C, the pair of lamp pins 120 are in contact with and electrically connected to the pair of contacts 60, respectively. At this time, since the pair of lamp pins 120 is sandwiched between the pin holding portions 60 a of the pair of contacts 60, the lamp 100 is fixed to the lamp socket device 1. Further, since the width dimension of the communication hole 42a is smaller than the outer width between the pair of lamp pins 120, the pair of lamp pins 120 cannot move in the communication hole 42a.

  When the lamp 100 is further rotated in the direction indicated by the arrow A from this state, that is, when the lamp 100 is rotated more than 90 degrees in the direction indicated by the arrow A, the lamp pin 120B is moved to the inner periphery of the escape hole 45B. As shown in FIG. 9A, one of the lamp pins 120A has a guide hole 46 as shown in FIG. 9 (a) because it is in contact with the surface and guided to the lamp pin introduction port 2b side (upper side) along the circumferential direction of the inner peripheral surface. The other lamp pin 120 moves to the lamp pin introduction port 2b side.

  From the state shown in FIG. 9A, the lamp 100 is turned around the central axis of one lamp pin 120A in the counterclockwise direction in FIG. 9A (the direction indicated by the arrow B in FIG. 9A). When rotated, the other lamp pin 120B can be positioned at a position overlapping the communication hole 42a in the vertical direction as shown in FIG. 9B, and thereafter, as shown in FIG. The lamp pin 120 can be taken out from the lamp pin insertion hole 2a via the lamp pin introduction port 2b. 9A shows a state in which the lamp 100 has rotated 110 degrees, FIG. 9B shows a state in which the lamp 100 has rotated 135 degrees, and FIG. 9C shows a state in which the lamp 100 has rotated 180 degrees. Is shown. By the way, in the lamp socket device 1 of the present embodiment, the lamp 100 can hardly be rotated in the direction opposite to the direction indicated by the arrow A from the state shown in FIG. .

  According to the lamp socket device 1 of the present embodiment described above, when the lamp 100 is to be rotated more than 90 degrees in the specified rotation direction from the fixed position on the same rotation axis as that of the electrical connection portion 5, When 100 is positioned at a fixed position, one lamp pin 120A positioned on the lamp pin introducing port 2b side enters the guide hole 46, and the other lamp pin 120B is guided to the lamp pin introducing port 2b. In addition to being able to suppress the breakage of the lamp 100 and the container body 2 as compared to the second embodiment in which the escape hole 45 that can be rotated up to 90 degrees in the specified rotation direction with the same rotation axis as the electrical connection portion 5 is provided, It is possible to prevent a finger or the like from touching a charged part such as a pair of contacts 60 in the body 2 through the lamp pin insertion hole 2a and the escape hole 45 when the lamp 100 is attached / detached. Not inferior performance is obtained with respect.

  Also in the lamp socket device 1 of the present embodiment, similarly to the first embodiment, the electric connection portion 5 is rotated between the open position and the closed position, so that the lamp can be attached and detached without rotating the lamp. The effect that it can be performed is obtained.

It is a front view of the lamp socket device of Embodiment 1. It is explanatory drawing of the lamp socket apparatus in the same as the above. The lamp socket apparatus utilized with the lamp socket apparatus in the same as above is shown, (a) is a front view, (b) is a perspective view. It is explanatory drawing of the lamp socket apparatus utilized with the lamp socket apparatus in the same as the above. It is a front view of the lamp socket apparatus of Embodiment 2. It is explanatory drawing of the lamp socket apparatus in the same as the above. It is a front view of the lamp socket apparatus of Embodiment 3. It is explanatory drawing of the lamp socket apparatus in the same as the above. It is explanatory drawing of the lamp socket apparatus in the same as the above. The lamp socket apparatus of a prior art example is shown, (a) is a front view, (b) is a perspective view. It is operation | movement explanatory drawing of the lamp socket apparatus in the same as the above. It is a schematic explanatory drawing of a lighting fixture. It is explanatory drawing of the lamp socket apparatus in the same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lamp socket apparatus 2 Body 2a Lamp pin insertion hole 2b Lamp pin introduction port 5 Electrical connection part 45, 45A, 45B Escape hole 46 Guide hole 60 Contact 100 Lamp 120, 120A, 120B Lamp pin 200 Lighting fixture 210 Appliance main body

Claims (4)

A lamp socket device used for mounting a lamp in a fixed position on a fixture body and feeding power to the lamp having a pair of lamp pins for power supply provided in the fixture body of the lighting fixture and protruding in one direction from a base,
The lamp pin insertion hole through which both of the pair of lamp pins of the lamp located at the fixed position are inserted, and the pair of lamp pins are introduced into the lamp pin insertion hole from the direction along the parallel direction of the pair of lamp pins of the lamp positioned at the fixed position. A container having a lamp pin inlet to be
A pair of contacts that contact in the direction intersecting the protruding direction of the lamp pin of the lamp located at the fixed position, and the pair of contacts in the direction intersecting the parallel direction in a plane orthogonal to the protruding direction An open position where a pair of contacts do not come into contact with each of a pair of lamp pins that are inserted through the lamp pin insertion holes, and a pair of contacts that are opposed to each other in the direction along the parallel direction and inserted through the lamp pin insertion holes. An electrical connection portion housed in the container so as to rotate in the plane between the closed position where a pair of contacts contact each of the lamp pins,
The body is formed with an escape hole which is communicated with the lamp pin insertion hole and into which each of the pair of lamp pins enters when the lamp located at the fixed position is rotated on the same rotation axis as the electrical connection portion. Lamp socket device to do.   The escape hole is formed in a shape that prevents the lamp pin from contacting the body until the lamp located at the fixed position rotates 90 degrees in the specified rotation direction on the same rotation axis as the electrical connection portion. 2. The lamp socket device according to claim 1, wherein:   When the lamp is located at the fixed position, the housing communicates with an escape hole into which one of the lamp pins located on the lamp pin inlet side enters, and from the fixed position to the specified rotation direction on the same rotation axis as the electrical connection portion. 3. The lamp according to claim 2, wherein when the lamp is rotated over 90 degrees, a guide hole into which one lamp pin enters is formed so as to guide the other lamp pin to the lamp pin introduction port. Socket device.   A lighting fixture comprising the lamp socket device according to any one of claims 1 to 3 in a fixture main body.

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