JP4094344B2 - Light fixture socket structure - Google Patents

Description

BACKGROUND OF THE INVENTION
The present invention relates to a socket structure for a lighting fixture, and more particularly to a socket structure suitable for application to a lighting fixture that uses a halogen lamp.
[Prior art]
A conventional socket structure of this type will be described with reference to FIGS.
As shown in FIGS. 5 and 6, the conventional socket structure of a lighting fixture is made of a reflector 52 and an insulator on the side of a lamp body 51 that holds a lamp 50 for illumination in a cylindrical lamp body 70. of a main insulator body 53, to conduct an end-side to an electrode terminal of the lamp 50 to the main body insulator body 53, a pair of connecting terminals 55 provided with a bent protrusion 54 at the other end, 55 is attached.
Then, the 61 (terminal was coated around the terminal member by a silicon thermal shrinkable tube) first down terminal of a pair of attaching the leads 60 and 60 for energization, is inserted into the bent protrusion 54, the leads 60,60 from down transformer 71 fixedly disposed on the top of the lamp body 70, a pair of first-down terminal 61, supplies power to the electrodes of the lamp 50 via connection terminals 55, 55 of a pair, The lamp 50 is turned on in the reflecting mirror body 52.
And the outer peripheral portion of the reflector body 52, between the inner peripheral portion of the light body 70 is formed in a substantially annular part of the circular is missing as shown in FIG. 7, the holding pieces 56a provided on the missing part For example, a reflecting mirror body pressing spring body 56 made of an elastic material is mounted to prevent the lamp body 51 from falling downward. In FIG. 5, reference numeral 57 denotes a protective member for the lamp 50.
[Problems to be solved by the invention]
However, in the case of the conventional example shown in FIGS. 5 and 6, when replacing the lamp 50, the reflecting mirror body holding spring body 56 is removed with a finger or the like, and the lamp body 51 is taken out below the lamp body 70. holds the lamp body 51 requires a complicated work of pulling out the first down terminal 61, 61 of a pair, also allowed to drop damage the lamp body 51 when removed the reflector body pressing spring member 56 Therefore, there is a high risk of short circuit failure when replacing the lamp 50.
Further, in the case of the conventional example, it is necessary to add the reflecting mirror body holding spring body 56 to the inner peripheral portion of the lamp body 70, and there are problems such as the complexity of the lamp design and the production cost due to the increase in the number of parts. .
Conventionally, as shown by a dotted line in FIG. 6, a structure in which a round terminal 80 connected to a lead wire 60 is fixed to the connection terminal 55 by a tightening screw 81 has been tried. However, basically the same problems as those of the socket structure described above were included.
The present invention has been developed in view of the above-described conventional situation, can simplify the replacement work of the lamp body and prevent the fall with a simple configuration, and can simplify the lamp design and reduce the number of parts. It is an object of the present invention to provide a socket structure for a lighting fixture that can reduce the manufacturing cost.
[Means for Solving the Problems]
In order to solve the above problems, a first aspect of the present invention, the connection terminals of a pair that is electrically connected to the electrode terminal of the illuminative lamp provided the lamp body side to hold the lamp, one power supply with fitted socket attaching a pair of leads, wherein a socket structure of the luminaire performing energization from a pair of leads to the lamp electrodes through the connection terminals of a pair, the socket insulator The insulator is substantially rectangular parallelepiped as a whole and can be divided into two divided bodies, a fixing plate for integrating the two divided bodies in a joined state, and the insulator body, and provided in the insulator body. Each of the bent protrusions of the pair of connection terminals fitted in the pair of insertion holes is pressed and held to enable electrical connection therebetween, and the tip lead portions of the pair of lead wires are connected to each other. a pair and the terminal受接point spring of that, the said insulator body Mounted on the side opposed to the connecting terminals of the pair, by being configured anda terminal pressing retaining spring member of a pair of pressing and holding by each sandwiching a substantially intermediate portion of the connection terminals of the one pair It is characterized by.
According to a second aspect of the invention, a provided on the lamp body side to hold a lamp for illumination is made conductive one end side to the electrode terminals of the lamp, one pair having a bent protrusion at the other side connection the terminal, with fitted socket for attaching a lead wire of a pair of power supply, a socket structure of the luminaire to perform energization of the lamp electrodes through the connection terminals of a pair of lead wires of the one pair The socket is made of an insulator, and is divided into two divided bodies. The socket has a substantially rectangular parallelepiped shape as a whole, a fixing plate that integrates the two divided bodies in a joined state, and the socket body. Each of the pair of connecting terminals fitted into the pair of insertion holes provided in the insulator body is pressed and held to enable electrical connection therebetween, and each of the pair of lead wires a terminal受接point spring of a pair of distal lead portion are respectively connected, Attached to the side facing the connection terminals of a pair of serial insulator body, and a terminal press and hold the spring member of a pair of pressing and holding by each sandwiching a substantially intermediate portion of the connection terminals of the one pair It is characterized by comprising .
According to the invention of claim 1 wherein, in said insertion hole of a pair provided on the insulator of the socket, the lamp body, that is, only by inserting the connection terminals of a pair provided on the lamp body side in, connection terminals of a pair of terminals受接point spring a pair, i.e., because the pressing and holding the folded projecting piece of the connection terminals of a pair, one touch lamp body and mounted and further to the socket removal Therefore, the replacement work of the lamp body is simplified.
Further, the lamp body when worn in the socket with one touch, the terminal pressing retaining spring member of the one pair, since the pressing hold respectively sandwich the substantially middle portion of the connection terminals of the one pair, said socket only The lamp body can be reliably prevented from falling, and no fall prevention parts are required.
Therefore, it is possible to simplify the replacement work of the lamp body and prevent the lamp body from being dropped with a simple configuration, and it is possible to simplify the lamp design and reduce the manufacturing cost by reducing the number of parts.
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail.
FIG. 1 shows a socket structure of a lighting fixture according to an embodiment of the present invention. This socket structure is made of a reflector 12 and an insulator on the side of a lamp body 22 that holds, for example, a halogen lamp 20 for illumination. and a main insulator body 13, on the body insulator body 13, from the the electrode terminals 21 of the halogen lamp 20 into conduction one end 31 side, of a pair having a bent projection piece 32 to the other end side conductor The connecting terminals 30 and 30 are fixed in a linear arrangement and in an opposing arrangement.
A rivet 33 is used to fix the connection terminals 30, 30 and the main body insulator 13.
Then, the relative lamp body 22, with fitting the socket 1 for attaching a lead wire 6 and 6 one pair for power supply with a single touch, of the one pair of lead wires 6,6 a pair of lamp body 22 side The electrode terminal 21 of the halogen lamp 20 is energized through the connection terminals 30 and 30.
Here, the socket 1 will be described in detail with reference to FIGS.
The socket 1 is made of an insulator, split body 2A, a substantially rectangular parallelepiped insulator body 2 as a whole can be divided into two 2B, the insertion of a pair formed該碍Ko body 2 is furnished on the insulator body 2 with respectively pressed and held in the one pair of fitted with one-touch folding protrusion 32 of the connection terminals 30 and 30 to enable these electrical connections in the hole 7, one pair of leads 6,6 a terminal受接point spring 3 of a pair of distal lead portion 6a are respectively connected, attached to the lower surface side opposite to the connection terminals of the one pair of the insulator body 2, the connecting terminals of the one pair 30, 30 and a terminal pressing retaining spring member 4 of a pair of pressing and holding by each sandwiching the substantially middle portion of the.
Further, the socket 1 is provided with a fixing plate 5 makes one body of divided bodies 2A, and 2B in joined state.
As shown in FIG. 3, the divided bodies 2 </ b> A and 2 </ b> B constituting the insulator body 2 are recessed portions for accommodating the terminal receiving contact springs 3 so as to extend over both of the divided bodies 2 </ b> A and 2 </ b> B on the surfaces to be joined together. As shown in FIG. 3, a contact portion 3 a that has a substantially triangular shape and presses and holds the bent protrusion 32 on the side facing the insertion hole 7, as shown in FIG. 3, and this contact portion is adapted to accommodate a terminal受接point spring 3 made of a lead receiving portion 3b extending from a end of 3a.
In FIG. 3, reference numeral 8 denotes a small protrusion for positioning the contact portion 3a that protrudes in the recess 2e.
In addition, the leading end lead portion 6a of the lead wire 6 inserted from the upper edge of the divided body 2A or 2B is fixed to the lead receiving portion 3b by fastening or the like.
In FIG. 3, the recess 2e of hand side in the insulator body 2, the terminal受接point spring 3 shows only lead receiving portion 3b, the same is the structure of the insulator body 2 on the other side .
Divided bodies 2A constituting the insulator body 2, the 2B, the paper front and rear direction of the bolt holes 9 are provided at two locations at predetermined intervals in FIG.
Also, the divided body 2A constituting the insulator body 2, the lower surface side of the 2B is 3, as shown in FIG. 4, a pair of terminal pressing retaining spring member 4, 4 are each the divided bodies 2A, the 2B It can be attached in a supported state. That is, the terminal pressing and holding spring body 4 is engaged with the groove 2c provided on the inner wall of the lower end of the divided body 2A by projecting the protrusion 4b laterally from the upper end of the terminal pressing and holding spring body 4 (the same applies to the divided body 2B side). The spring body 4 is held.
The terminal pressing and holding the spring member 4 is downwardly open, hanging pieces 4a topped bent-shaped "V" shaped and reverse "V" on each side are connected, it is formed with 4a , suspending piece 4a, sandwiched "V" shape and inverted "V" intermediate portion of the connection terminal 30 in shape to the curved portion of the 4a, thereby, it is aimed a drop prevention of the lamp body 22 .
The fixing plate 5 is formed flat and, as shown in FIGS. 1 and 2, is in contact with the outer wall surface of the divided body 2A, the outer wall surface of the divided body 2B, and a bent piece 5a with a screw hole 5c, has 5b, the bolt 10 of a pair on both bolt holes 9 is inserted from each opposite side as shown in FIG. 1, the bending piece 5a of the fixed plate 5, by screwing each screw hole 5c of 5b, divided bodies 2A, adapted to fixedly joined one body to the divided body 2B.
Further, the fixing plate 5, as shown in FIG. 3 or the like, one a pair of small protuberances 5d at regular intervals is provided, the divided bodies 2A, a small projection 5d of a pair on the upper surface of the split body 2B recess 2d in corresponding interval is formed, divided bodies 2A, is adapted to perform these positioning in bonding fixing the divided bodies 2B one body to the.
According to the socket structure of the lighting fixture of the present embodiment configured as described above, the following operations and effects are exhibited.
That is, in the insertion hole 7 of a pair provided on the insulator of the socket, simply by inserting the folded projecting piece 32 of the connection terminals 30 of a pair provided on the side the lamp body 22, one pair since terminal受接point spring 3 presses hold the folded projecting piece 32 of the connection terminals 30 of a pair, one touch attachment and further the lamp body 22 and the socket 1 can perform withdrawal for removal, Thereby, the replacement work of the lamp body 22 is simplified.
Further, the lamp body 22 with one touch when worn on the socket 1, the one-to-terminal pressing and holding the spring member 4 is, since the pressed and held by each sandwiching a substantially intermediate portion of the connection terminal 30 of the one pair, Only the socket 1 can reliably prevent the lamp main body 22 from falling, and parts for preventing the fall or the like are unnecessary.
Therefore, it is possible to simplify the replacement work of the lamp body 22 and prevent the lamp body 22 from being dropped with a simple configuration, and it is also possible to simplify the lamp design and reduce the manufacturing cost by reducing the number of parts.
In the present invention, in addition to the case of applying to the lamp body 22 for the halogen lamp described above, as a socket structure of a lamp body for holding other illumination lamps, for example, a discharge lamp lamp defined by JIS, a general lamp, etc. Is also applicable.
【The invention's effect】
According to the present invention, the lamp main body and the socket can be attached and detached for one-touch operation with a simple touch while having a simple configuration, and the lamp main body replacement operation can be simplified and prevented from falling. In addition, it is possible to provide a socket structure for a lighting fixture that can reduce the manufacturing cost by simplifying the lamp design and reducing the number of parts.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an overall configuration of a socket structure of a lighting fixture according to an embodiment of the present invention.
FIG. 2 is a plan view showing an insulator, a lead wire, and a fixing plate in the socket structure of the present embodiment.
FIG. 3 is a partial cutaway view showing an insulator body, a terminal receiving contact spring, and a terminal pressing and holding spring body in the socket structure of the present embodiment.
FIG. 4 is a partially cutaway cross-sectional view showing an insulator body and a terminal pressing and holding spring body in the socket structure of the present embodiment.
FIG. 5 is a cross-sectional view showing an overall configuration of a conventional socket structure of a lighting fixture.
FIG. 6 is a perspective view of a socket structure of a conventional lighting fixture.
FIG. 7 is a perspective view of a reflector holding spring body in a socket structure of a conventional lighting fixture.
[Explanation of symbols]
1 socket 2 insulator 2A divided body 2B divided body 2c groove 2d recessed portion 3 terminal receiving contact spring 3a contact portion 3b lead receiving portion 4 terminal pressing holding spring body 4a hanging piece 4b protrusion 5 fixing plate 5a bent piece 5b bent piece 5c screw Hole 5d Small protrusion 6 Lead wire 6a Tip lead part 7 Insertion hole 9 Bolt hole 10 Bolt 12 Reflective mirror body 13 Main body insulator body 20 Halogen lamp 21 Electrode terminal 22 Lamp body 30 Connection terminal 31 End 32 Bending protrusion 33 rivet

Claims (2)

The connection terminals of a pair that is electrically connected to the electrode terminal of the illuminative lamp provided the lamp body side to hold the lamp, with fitted socket for attaching a lead wire of a pair of power supply, the one pair of leads a socket structure of the luminaire to perform power supply to the lamp electrodes from the line via the connection terminals of a pair,
The socket is
An insulator that is made of an insulator and has a substantially rectangular parallelepiped shape that can be divided into two parts ,
A fixing plate for integrating the two divided bodies in a joined state;
Each of the bent projecting pieces of the pair of connection terminals fitted in the pair of insertion holes provided in the lever body is pressed and held to enable electrical connection therebetween. and a pair of terminal受接point spring each distal lead portion of the lead wire are respectively connected to,
Mounted on the side facing the connection terminals of the one pair of the insulator body, and the terminal pressing retaining spring member of a pair of pressing and holding by each sandwiching a substantially intermediate portion of the connection terminals of the one pair,
A socket structure for a lighting fixture, comprising: Provided on the lamp body side to hold a lamp for illumination is made conductive one end side to the electrode terminals of the lamp, the connection terminals of a pair having a bent protrusion at the other end, one for power supply with fitted socket attaching a pair of leads, a socket structure of the luminaire to perform energization of the lamp electrodes through the connection terminals of a pair of lead wires of the one pair,
The socket is
An insulator that is made of an insulator and has a substantially rectangular parallelepiped shape that can be divided into two parts ,
A fixing plate for integrating the two divided bodies in a joined state;
Each of the bent projecting pieces of the pair of connection terminals fitted in the pair of insertion holes provided in the lever body is pressed and held to enable electrical connection therebetween. and a pair of terminal受接point spring each distal lead portion of the lead wire are respectively connected to,
Mounted on the side facing the connection terminals of the one pair of the insulator body, and the terminal pressing retaining spring member of a pair of pressing and holding by each sandwiching a substantially intermediate portion of the connection terminals of the one pair,
A socket structure for a lighting fixture, comprising:

Images