JP3106196U - Lighting fixture socket support device - Google Patents

Abstract

To support and fix a socket on the periphery of a hole such as a base plate of a desk lamp, a metal plate located below the socket is brought into contact with the lower surface of the hole on the periphery of the hole. A supporting device for a socket for a lighting fixture is provided, in which a plastic leaf spring located at an upper portion is elastically abutted against an upper surface portion of the periphery of the hole to securely support and fix the socket to the periphery of the hole. It is intended.
A nipple (4) through which a cord (3) is inserted is attached to a lower central hole of a socket (1), and a plastic leaf spring (7) having elasticity is fitted into a groove (10) of a rubber annular presser (9) to make the rubber. The annular presser 9 is inserted into the cord 3 and the nipple 4 from below, and is brought into contact with the bottom surface portion 13 of the socket 1. The metal plate 14 and the nut 16 located below the metal plate 14 are placed below the cord 3 and the nipple 4. At the same time, the nut 16 is screwed into the nipple 4, and the nut 18 and the packing 20 are inserted between the socket 1 and the rubber annular presser 9 from below the cord 3 and the nipple 4. It becomes.
[Selection diagram] FIG.

Description

The present invention relates to an improvement of a support device for a lighting fixture socket.

  Conventionally, in a lighting device socket supporting device, mainly in a desk lamp supporting device, the neck b above the socket a is made larger in diameter than the body c, and the cord d connected to the socket a and the body c are provided below. The central hole f of the plastic leaf spring e having more elasticity is inserted and the central hole i of the rubber annular presser h provided with the groove g is inserted from below the cord d and the body c to make the plastic spring. There is a type in which a leaf spring e is pressed against and fixed to a neck b of a socket a. When the socket a is attached to a hole k of a base plate j of a desk lamp, for example, together with the code d of the socket a, By pulling up the hole k of the base plate j from below the base plate j, the upper surface portions l of the both ends of the plastic leaf spring e come into contact with the hole k while gradually lowering against the elasticity thereof. I want to pursue more It is strongly pressed to the inner surface m of the hole k of the upper surface portion l of the both end portions bedplate j, therefore, the socket a is fixedly supported in the hole k of the base plate j.

  However, the socket a is fixedly supported in the hole k of the base plate j at the upper surface l of the both ends only by the elasticity of the both ends of the plastic leaf spring e merely by the elasticity of the plastic leaf spring e. a) When the socket a rises due to a hand or the like hitting the light bulb n screwed into the upper part a, or when the cord d is moved downward by some force, the socket a easily comes out of the hole k of the base plate j. was there.

In order to eliminate the drawback, the lighting device socket supporting device according to claim 1 of the present invention includes a female screw in a lower central hole of the socket, and a male screw on an outer periphery of a nipple through which a cord connected to the socket is inserted. The tip of a small screw that has been screwed in and screwed into the side surface of the socket is pressed against the male screw to fix the nipple in the socket, and the center hole provided in the elastic plastic leaf spring is inserted into the groove of the rubber annular presser. And the central hole provided in the rubber annular presser is inserted from below the cord and the nipple, and the upper surface of the rubber annular retainer abuts against the bottom surface of the socket. A lighting device socket supporting device in which a cord and a nipple are inserted from below, a nut is inserted from below the cord and the nipple, and a female screw of the nut is screwed into a male screw of the nipple, The metal plate at the lower part of the bracket is brought into contact with the lower surface of the peripheral edge of the hole such as the base plate of the desk lamp, and the elastic plastic leaf spring located at the upper part is placed on the upper surface of the peripheral edge of the hole. The socket is supported and fixed to the hole periphery by sandwiching the upper and lower portions of the hole periphery.
In the lighting device socket supporting device according to the second aspect, the nut and the packing are located between the bottom surface portion of the socket and the upper surface portion of the rubber annular retainer. It is supported and fixed.

    In the supporting device for a lighting fixture socket according to the present invention, the metal plate positioned below the socket abuts on the lower surface of the periphery of the hole such as the base plate of the desk lamp, and the elasticity positioned above the hole. By pressing the plastic leaf spring having the elasticity against the upper surface of the periphery of the hole, and holding the upper and lower portions of the periphery of the hole, the socket is securely supported and fixed to the periphery of the hole and screwed into the socket. Even if your hand hits the light bulb, the socket does not move up and down, or if the cord moves up and down with some force, the socket does not move up and down, and the socket is securely attached to the base plate of the desk lamp etc. There is an effect of being fixedly supported.

  The supporting device for a socket for a lighting device according to the second aspect holds the plastic leaf spring by positioning the nut and the packing between the bottom surface of the cord and the upper surface of the rubber annular presser. The rubber ring presser is strongly pressed, so that the plastic leaf spring is more firmly supported and fixed, so that the plastic leaf spring does not slide left and right on the upper surface of the hole peripheral edge of the base plate. .

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
First, a lighting device socket supporting device according to the present invention will be described with reference to FIG. 3 to FIG. 9, which shows the lighting device socket supporting device according to the present invention.
A male screw 5 on the outer periphery of the nipple 4 inserted through the cord 3 connected to the socket i is screwed into the female screw 2 in the lower central hole of the socket 1, and the tip of a small screw 6 screwed into the side surface of the socket 1 is connected to the male screw 5. The nipple 4 is fixed to the socket 1 by pressing, and the center hole 8 provided in the elastic plastic leaf spring 7 is inserted into the groove 10 of the rubber annular presser 9. In this case, a portion having a diameter larger than the diameter of the groove 10 in the upper portion or the lower portion of the rubber annular presser 9 is crushed so that the center hole 8 of the plastic leaf spring 7 is formed in the groove 10 of the rubber annular presser 9. And the plastic leaf spring 7 is attached to the rubber annular presser 9. Subsequently, the central hole 11 of the rubber annular presser 9 was inserted from below the cord 3 and the nipple 4, and the upper surface 12 of the rubber annular presser 9 was brought into contact with the bottom surface 13 of the socket 1, and provided on the metal plate 14. The central hole 15 is inserted from below the cord 3 and the nipple 14, the nut 16 is inserted from below the cord 3 and the nipple 4, and the female screw 17 of the nut 16 is screwed to the male screw 5 of the nipple 4. It is.

    When the present invention is mainly used to fix and support the socket 1 in the hole 23 or the like of the base plate 22 of the desk lamp, as shown in FIG. 10, both ends of the plastic leaf spring 7 having elasticity are opposed to the elasticity. If the upper part of the socket 1 above the bottom part 13 is located above the base plate 22 if the upper part of the socket 1 Protrude. Next, the upper surface of the metal plate 14 is brought into contact with the lower surface of the hole 23 or the like. At this time, if the hands are released from both ends of the plastic leaf spring 7, the elasticity of the plastic leaf spring 7 exerts a force to lower the both ends downward and return to a horizontal state. The portion 7a strongly contacts the peripheral portion 23a such as the hole portion 23 of the base plate 22, so that the socket 1 is sandwiched between the lower surface portion 7a of the plastic leaf spring 7 and the metal plate 14 located below, The socket 1 is securely supported and fixed to a peripheral portion 23 a such as the hole 23 of the base plate 22. The light bulb 24 may be attached to the base plate 22 while being screwed into the socket 1, or may be attached to the socket 1 by attaching the socket 1 to the base plate 22.

  FIG. 14 is a perspective view showing each example of the use state of the first aspect of the present invention. In FIG. 14A, the center ring portion 27 of the support rod 26 of the bulb shade 25 is attached to the base plate 22. With the both ends of the plastic leaf spring 7 bent upward, the light bulb 24 and the socket 1 are passed over the hole 23 of the base plate 22 from below to form a metal plate. 14 is brought into contact with the lower surface of the hole 23 of the base plate 22, and if the hands are released from both ends of the plastic leaf spring 7, the central ring portion 27 is resiliently directed downward of the plastic leaf spring 7. Is pressed against the peripheral edge 23 a of the hole 23 of the base plate 22, and the bulb shade 25 is attached to the base plate 22. Next, in FIG. 14B, the socket 1 is attached to the center ring portion 29 of the underframe 28 corresponding to the underplate 22 in the same manner as described above. Reference numeral 30 denotes a bulb shade attached to the underframe 28. Reference numeral 31 denotes a hole provided on the side of the bulb 32, to which the socket 1 is attached in the same manner as described above.

    According to a second aspect of the present invention, the cord and the nipple are provided between the bottom surface portion of the socket and the upper surface portion of the rubber annular presser holding the plastic leaf spring. Since the male screw 19 of the nut 18 is screwed from below into the nut 4 and the central hole 21 of the packing 20 is inserted from below into the cord 3 and the nipple 4 so as to be located under the nut 18. This further prevents the plate spring 7 from sliding left and right on the upper surface of the peripheral portion 23a of the hole 23 of the base plate 22.

It is a front view of the conventional lighting fixture socket support device. It is a front view which shows the use condition at the time of fixing and supporting a socket in the hole part of the base plate of the same desk lamp. FIG. 2 is a partially longitudinal front view showing a first aspect of the present invention, in which a light bulb is screwed into a socket. It is the same top view. It is a partial front view which shows the principal part. It is a perspective view of a rubber ring presser. It is a top view of a plastic leaf spring. It is a top view of a metal plate. It is a perspective view of a nut. FIG. 4 is a front view showing a use state of the present invention, in which a socket is supported and fixed to a peripheral portion of a hole of a base plate of a desk lamp. FIG. 4 is a partially longitudinal front view showing claim 2 of the present invention. It is a perspective view of a nut. It is a perspective view of packing. It is a perspective view which shows each example of the use condition of Claim 1 of this invention with a schematic diagram.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Socket 2 Female screw 3 Cord 4 Nipple 5 Male screw 6 Small screw 7 Plastic leaf spring 8 Center hole 9 Rubber ring retainer 10 Groove 11 Center hole 12 Top surface 13 Socket bottom surface 14 Metal plate 15 Center hole 16 Nut 17 Nut Female screw 18 nut 19 female screw 20 packing 21 central hole

Claims (2)

  A male screw on the outer periphery of the nipple into which the cord connected to the socket is inserted is screwed into the female screw in the lower central hole of the socket, and the tip of a small screw screwed into the side of the socket is pressed against the male screw to fix the nipple to the socket. Then, the central hole provided in the elastic plastic leaf spring is inserted into the groove of the rubber annular retainer, and the central hole provided in the rubber annular retainer is inserted from below the cord and the nipple, The upper surface of the rubber ring presser comes into contact with the bottom of the socket, the central hole provided in the metal plate is inserted from below the cord and nipple, and the nut is inserted from below the cord and nipple, and the male screw of the nipple is inserted. A lighting device socket supporting device, wherein a female screw of a nut is screwed.   Between the bottom part of the socket and the top part of the rubber annular presser, screw the female screw of the nut into the cord and nipple from below and pack the cord and nipple from below so that it is located under the nut. 2. The lighting device socket support device according to claim 1, wherein the central hole is inserted.

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