JPH04230982A - Decorative electric lamp - Google Patents

Abstract

PURPOSE:To easily assemble a socket main body and a lampshade main body by forming chamfering sections at the tip face of the prism section of the socket main body, providing guide grooves on chamfering sections, and folding and guiding the lead wires of an electric bulb protruded from a through hole. CONSTITUTION:Terminal plates 10 and lead wires 9 are inserted into the depth of an open section 4 from a through hole 16 to a socket main body 1, and the terminal plates 10 are fitted in parallel at the preset position of a prism section 8. An electric bulb 3 is fitted in the recess 14 of a lampshade main body 2, and the lead wires 9 are inserted into the through hole 16. The lead wires 9 protruded outward from a prism section 13 are folded along the side faces 13a through guide grooves 18. When the prism section 13 is inserted into an angular tube section 8 through the cylinder section 7 of the main body 1, chamfering sections 18 are guided by the terminal plates 10 and smoothly inserted. The lead wires 9 are brought into contact with the inner faces of the terminal plates 10 while being restricted from behind. The lead wires 9 are surely kept in contact without being displaced, and the socket main body 1 and the lampshade main body 2 are easily assembled.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative electric light used for decorating Christmas trees and the like.

0002

2. Description of the Related Art Generally, this type of decorative electric light has a structure in which a terminal plate and a cord wire are assembled to the socket body, and a light bulb is assembled to the shade body. For example, a socket body is formed with a through-hole that penetrates in the axial direction of the socket body, and a terminal plate is connected to the through-hole from the bottom side of the socket body to which a cord wire having a relatively large-diameter coated jacket is connected. Insert the pair of terminal boards into the terminal board mounting grooves on the inner wall of the socket.Meanwhile, assemble the light bulb into the cap body, expose the lead wire of the light bulb from the bottom of the cap body, bend it to the side, and attach it to the bottom side of the cap body. By assembling the light bulb into the top of the socket body, the lead wire of the light bulb is brought into contact with the terminal plate inside the socket body, thereby enabling electrical conduction between the two.

0003

[Problem to be Solved by the Invention] However, when attempting to assemble the bottom side of the cap main body into the socket main body, the lead wire of the light bulb exposed from the bottom of the cap main body to the side is not restrained in any way. There is a risk that the lead wire of the light bulb may become misaligned due to frictional resistance between the lead wire and the inner wall of the socket body, and due to this misalignment, the conductor part of the lead wire separates from the terminal board when the cap body is assembled, causing contact between the two. There was a risk of malfunction. This caused problems such as the trouble of re-assembling the socket body and the cap body.

The present invention has been made in view of the above circumstances, and provides a decorative electric light in which a socket body and a shade body can be easily assembled without causing poor contact between the lead wire of the light bulb and the terminal board. The purpose is to

[0005]

[Means for Solving the Problems] The present invention includes a light bulb, a shade body into which the light bulb is assembled, and a socket body having a release portion at one end in the axial direction into which the shade body is attached, and a socket body provided at the back of the release portion. is a decorative electric light in which a pair of conductive terminal plates are assembled to the lead wires of the light bulb, wherein the opening part is formed into a cylindrical part at one end in the axial direction of the socket body, and the cap body is formed into a cylindrical part. The structure has a cylindrical part that fits into the cylindrical part, and a prismatic part that protrudes from the cylindrical part coaxially with the cylindrical part, and the prismatic part has a through hole through which the lead wire of the light bulb assembled in the shade body protrudes from the tip surface. A hole is formed, a chamfered portion is formed at both ends of the tip surface of the prismatic portion, and a lead wire of a light bulb protruding from the through hole is bent at each chamfered portion to both parallel sides of the prismatic portion. A guide groove is formed for guiding.

[0006]

[Operation] The lead wires of the light bulb are made to protrude from the tips of the prismatic parts of the hat body, and each lead wire is bent to both parallel sides through the guide groove of the chamfered part. When the prismatic part of the cap body is inserted into the open part of the socket body, each lead wire exposed from the tip of the prismatic part to both sides is restrained in the guide groove, so each lead wire is restrained in the guide groove. Even when the lead wires come into contact with the inner wall of the socket body, they do not shift due to the frictional resistance between them, and by further inserting the square column part between the terminal plates, each lead wire on both sides is restrained in each guide groove. Make sure to contact the inner surface of each terminal board. Therefore, as long as the lead wire is restrained in the guide groove, it will always be in contact with the terminal board, and there is no risk of poor contact between the two.

[0007]

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 to 4 show an embodiment of the present invention, and in these figures, reference numeral 1 is a socket main body, reference numeral 2 is a cap main body, and reference numeral 3 is a light bulb. A decorative electric lamp of the present invention is constructed.

As shown in FIG. 3, the socket body 1 has a hollow columnar body with a release portion 4 formed at one end in the axial direction, and a through hole 5 opening into the release portion 4 at the other end of the hollow columnar body in the axial direction. The through hole 5 is divided into two by a partition wall 6. The release portion 4 is formed into a cylindrical portion 7 at one end in the axial direction of the socket body 1, and formed into a rectangular tube portion 8 having a smaller cross-sectional area than the cylindrical portion 7 at the other end in the axial direction of the socket body 1. The cross-sectional shape of the portion 8 is the same as that of the through hole 5. Inside this square tube part 8, each terminal plate 10 connected to the tip of a pair of lead wires 9 inserted into the inside from the outside of the through hole 5 is fixed in each mounting groove.

As shown in FIG. 3, the cap body 2 has a cylindrical portion 12 fitted into the cylindrical portion 7 of the release portion 4 of the socket body 1 at the base end of a trumpet-shaped cap portion 11 that covers the light bulb 3. is formed, and a prismatic portion 13 to be inserted into the prismatic tube portion 8 protrudes from the tip of the cylindrical portion 12 . Further, as shown in FIG. 2, a recess 14 is bored in the inner surface of the cap 11 and extends into the cylindrical part 12 into which the base end of the light bulb is inserted.
A through hole 16 is formed in the bottom surface of the bulb 4 and is opened at the tip end surface of the prismatic portion 13 and through which a pair of lead wires 15 of the light bulb 3 are inserted. A partition wall 17 is provided at the tip of the through hole 16 to divide the opening at the tip of the through hole 16 into two. Further, chamfered portions 18 are formed at both ends of the tip surface of the prismatic portion 13, respectively.
As shown in FIGS. 1 and 2, each chamfered portion 18 has a lead wire 15 of the light bulb 3 inserted through the through hole 16 and protruding outside.
, 15 are formed to guide the prismatic portion 1 by bending them toward the parallel side surfaces 13a, 13a.
3 into the release portion 4, each lead wire 15 is restrained within each guide groove 18a.

[0011] The outer surface of the cylindrical portion 12 has a tapered shape with a slight degree of taper toward the tip, and both parallel side surfaces 13a of the prismatic portion 13 (the side where the tip of the lead wire of the light bulb 3 is located) , 13a has a tapered tip having a slightly larger degree of taper than the outer surface of the cylindrical portion 12 as it goes toward the tip, and smooth insertion of the prismatic portion 13 into the release portion 4 and smooth insertion of the cylindrical portion 12 into the cylindrical portion 8. , furthermore, the lead wire 1 on the side surface 13a of the prismatic portion 13
5 and the inner surface of each terminal board 10 is made possible.

The decorative electric lamp having such a structure is assembled as follows.

A pair of terminal plates 10 and lead wires 9 are inserted into the socket body 1 through the through hole 16 to the back of the open portion 4, and each terminal plate 10 is attached to a predetermined position of the rectangular tube portion 8 in parallel. In addition, a light bulb 3 is installed in the recess 14 for the hat body 2, and the lead wires of the light bulb 3 are inserted through the through hole 16 and protrude outside the square column 13.The lead wires 15 are passed through each guide groove 18 on both sides. 13a and 13a (see FIGS. 1, 2, and 3).

Next, the prismatic portion 13 at the tip of the hat body 2 is inserted into the prismatic cylindrical portion 8 through the cylindrical portion 7 of the release portion 4 of the socket body 1. First, the chamfered part 18 of the square column part 13 is guided and smoothly enters between the terminal plates 10, 10 located parallel to each other in the square cylinder part 8, and both tapered side surfaces 13a, 13a continuing from each chamfered part 18 are formed. While contacting the inner surfaces of the terminal plates 10, 10 and pressing the terminal plates 10, 10 toward the inner wall side of the rectangular tube part 8, the square column part 13 penetrates deeply between the terminal plates 10, 10 (
(See Figure 4).

At this time, both sides 13 from the tip surface of the prismatic portion 13
Each lead wire 15 exposed along the chamfered portion 18
Since each lead wire 15 contacts the inner surface of each terminal board 10 while being restrained rearward by the guide groove 18a, each lead wire 15 does not shift from both sides 13a of the prismatic portion 13 and is stably connected to the inner surface of each terminal board 10. and make contact. Also, lead wire 1
The bent portions on both sides of 5, which conventionally received a large amount of frictional resistance between the inner wall of the rectangular tube portion 8 or the upper end of each terminal plate 10, are sunk into the guide groove 18a and protected by the chamfered portion 18. Since it is not subjected to frictional resistance and is not pressed, it can be smoothly inserted between the respective terminal plates 10, thereby making the contact with the inner surface of each terminal plate 10 stable and preventing the lead wires 15 from being damaged.

The cylindrical portion 12 following the prismatic portion 13 smoothly enters into the cylindrical portion 7 and is deeply fitted into the cylindrical portion 7 due to the taper action of the outer surface of the cylindrical portion 12.

According to the decorative electric lamp of this embodiment, the prismatic portion 1
The tip of the lead wire 15 is passed through the guide groove 18 formed in the chamfered portion 13a of the tip end surface of the
Since the tip of the lead wire 15 can be always restrained to the side surface 13a of the prismatic portion 13, the prismatic portion 13 can be bent to the side surface 13a of the prismatic portion 13 while keeping the lead wire 15 in stable contact with the inner surface of each terminal plate 10. It can be inserted smoothly between the two. Therefore, in addition to the effect of smooth insertion of the square column part 13 and the columnar part 12 into the square tube part 8 and the cylinder part 7, it is easy to assemble the socket body 1 and the cap body 2, and the inner surface of the terminal plate 10 and Poor contact with the lead wire 15 can be eliminated.

[0018]

[Effects of the Invention] As explained in detail above, the present invention has the following features:
A socket body comprising a light bulb, a cap body into which the light bulb is assembled, and a socket body having an open part at one end in the axial direction into which the cap body is attached, and a pair of terminal plates conductive to the lead wires of the light bulb at the back of the open part. A decorative electric light is provided, in which the release part is formed into a cylindrical part at one end in the axial direction of the socket body,
The hat body has a cylindrical part that fits into the cylindrical part, and a prismatic part that protrudes from the cylindrical part coaxially with the cylindrical part, and the prismatic part has a lead wire of a light bulb assembled in the hat main body. forming a through hole that protrudes from the tip surface, and forming chamfered portions at both ends of the tip surface of the prismatic portion, respectively;
Each chamfered part is formed with a guide groove that guides the lead wire of the light bulb protruding from the through hole by bending it to both parallel sides of the prismatic part. The prismatic portion and the cylindrical portion can be smoothly inserted into the prismatic portion and the cylindrical portion of the release portion, respectively, without causing any displacement of the lead wire. This makes it easy to assemble the socket body and the shade body, and when assembling both, the contact between the lead wire of the light bulb and the inner surface of each terminal plate is stabilized, and poor contact can be eliminated.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a main part of a hat main body in a decorative electric light of the present invention.

[Fig. 2] Fig. 2 is a sectional view of the main body of the shade with a light bulb assembled therein.

FIG. 3 is an exploded sectional view of the decorative electric light.

FIG. 4 is an assembled sectional view of the decorative electric light.

[Explanation of symbols]

1 Socket body 2　Cap body 3 Light bulb 4 Liberation section 7 Cylindrical part 8 Square tube part 10 Terminal board 12 Cylindrical part 13　Prismatic part 13a Side 18 Chamfered part 18a Guide groove.

Claims (1)

[Claims] 1. A socket body comprising a light bulb, a cap body into which the light bulb is assembled, and a socket body having a release portion at one axial end to which the cap body is attached, and a socket body having a conductive wire connected to the lead wire of the light bulb at the back of the release portion. In the decorative electric light assembled with a pair of terminal plates, the opening part has a cylindrical part at one end in the axial direction of the socket body, and the cap body has a cylindrical part that fits into the cylindrical part, and a cylindrical part that extends from the cylindrical part. It has a prismatic part that protrudes coaxially with the cylindrical part, and a through hole is formed in the prismatic part to allow the lead wire of the light bulb assembled in the hat body to protrude from the tip surface of the prismatic part. A chamfered portion is formed at each end, and a guide groove is formed in each chamfered portion to bend and guide the lead wire of the light bulb protruding from the through hole toward both parallel side surfaces of the prismatic portion. Decorative electric lights.