JP2002313507A - Quick connection terminal device and glow starter socket using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify and miniaturize a constitution and to enhance lamp holding power and electric wire holding power by displacement of a conductive metal fitting without requiring a measure for large displacement of a lamp pin holding part, in a quick connection terminal device to be used for a socket for holding a lamp and a glow starter socket using the device. SOLUTION: The conductive metal fitting 6 is bent at a substantially right angle or more to form a lamp pin holding spring part 7. In the holding part 7b, an angle part 7a for producing click feeling when mounting the lamp is projected and formed in a direction away from a conductive plate base part 6a. A tip of the holding spring part 7 is projected to the base part 6a side of the extension line and an electric wire 9 is inserted between the base part 6a and the lamp pin holding part 7b. Even if the holding part 7b is largely displaced and the tip 7c is abutted on a core wire 10, the holding spring part 7 becomes a two-point supporting spring and holding power is sufficiently kept.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quick connection terminal device for holding a lamp pin of a lamp and connecting an electric wire with one touch, and a glow starter socket using the same.

[0002]

2. Description of the Related Art Hitherto, as a quick-connecting terminal device used for a lamp socket of a fluorescent lamp, a configuration disclosed in Japanese Utility Model Laid-Open No. 55-96582 and Japanese Utility Model Laid-Open No. 5-15378 has been known. FIGS. 8 to 11 show such a conventional configuration.
This will be described below. The quick-connecting terminal device employed in the socket shown in FIGS. 8 and 9 is configured by housing a pair of conductive fittings 102 in an insulating body 101.
From the lamp pin insertion opening 103 formed in the
05 is inserted, and an electric wire 107 is inserted through an electric wire insertion opening 106 formed in the body 101, and the conductive metal fitting 10 is inserted.
2 are connected. The quick-connecting terminal portion 10 for connecting the core wire 108 of the electric wire 107 to the conductive metal fitting 102.
9 and a lamp pin holding portion 110 for holding the lamp pin 105 in contact therewith are integrally bent.

[0003] The quick-connecting terminal portion 109 is a connecting piece 11 formed by bending one end of a base piece 111 of the conductive metal fitting 102 substantially at a right angle.
2 and a locking spring portion 113 formed on the distal end side of the connecting piece 112 so as to be bent close to the base piece 111.
The lamp pin holding portion 110 is formed in a bag shape by folding the other end side of the base piece 111 to the same side as the bending of the connection piece 112 at a right angle or more, and protrudes in a part thereof in a direction approaching the base piece 111. (A concave shape from the light pin side) A light pin engaging portion 115 is provided. The connecting piece 112 is provided with an insertion hole 114 for inserting the core wire 108. In the middle of the base piece 111, a connecting piece 118 bent in a crank shape is provided, and an insertion hole 119 for inserting the core wire 108 is provided therein. Further, the base piece 11
In FIG. 1, a stopper piece 120 of the lamp pin holding portion 110 is formed by cutting and raising.

[0004] Another conventional configuration of the conductive fitting 102 is as follows.
As shown in FIG. 10, the lamp pin holding portion 11 is formed without forming a crank-shaped piece in the middle of the base piece 111.
The height of the base piece 111 is increased so that the core wire 108 does not enter between the base piece 111 and the connection piece 11 formed on one end side of the base piece 111 as shown in FIG.
2 is bent in a direction opposite to the bending direction of the lamp pin holding portion 110 so that the core wire 108 does not enter between the lamp pin holding portion 110 and the base piece 111.

Next, a conventional quick connection terminal device for a glow starter socket will be described with reference to FIGS. 12 and 13 show the configuration around the lamp pin insertion hole 123 of the glow starter socket and the configuration of the conductive metal fitting 102 which holds the lamp pin and has a quick connection terminal device for electric wires. The socket is configured by housing a pair of conductive fittings 102 (only one is shown in the figure) in an insulative body, and through a lamp pin insertion hole 123 (large diameter section) formed in the body, a lamp pin large diameter section 125. Is inserted, and
The electric wire 107 is inserted from another insertion opening, and the conductive metal fitting 102 is inserted.
Connected to. A quick-connecting terminal portion 109 for connecting the core wire 108 of the electric wire 107 and a lamp pin holding portion 110 for holding the lamp pin large-diameter portion 125 in contact with the conductive metal fitting 102 are integrally formed by bending.

[0006] The quick connection terminal portion 109 is formed by bending the one end of the base piece 111 of the conductive metal fitting 102 at a substantially right angle.
1 and a locking spring portion 11 formed by cutting and raising the base piece 111.
3 The lamp pin holding portion 110 is formed substantially linearly, and the distance from the fulcrum 122 when holding the lamp pin to the lamp pin holding position is relatively large. The lamp pin is rotated to the holding position by the lamp pin small diameter portion 126 being guided by the edge of the lamp pin insertion hole 123 (small diameter portion). When the inserted electric wire 107 is long, a protective rib 12 for receiving the tip of the excessively long electric wire (core wire) is provided on the body of the socket.
7 are formed. The displacement of the lamp pin holding portion 110 by the lamp pin is in the direction in which the locking spring portion 113 opens. The click feeling at the time of mounting the lamp is mainly due to the positional relationship between the shape of the lamp pin insertion hole 123 and the lamp pin holding portion 110, and the fixing position of the large diameter portion 125 of the lamp pin is the position of the line l in the drawing. May stop at the position of the line m.

FIGS. 14 and 15 show a structure around a lamp pin insertion hole and a conductive metal fitting of a glow starter socket according to another conventional example. In the conductive metal fitting 102 in this example, one end of the base piece 111 is bent by 90 ° or more to form the lamp pin holding portion 110, and the other end of the base piece 111 is bent to form the quick connection terminal portion 109. ing. The quick connection terminal portion 109 is formed by a conductive portion 121 formed by bending the base piece 111.
And a lock spring portion 113 cut and raised.
A receiving portion 128 that receives the distal end of the excessively long electric wire (core wire) is formed on the distal end side of the conductive portion 121. The click feeling at the time of holding the lamp pin in this example is equivalent to the above-described case.

FIGS. 16 and 17 show a configuration around a lamp pin insertion hole of a glow starter socket and a conductive fitting according to still another example of the related art. In the conductive metal fitting 102 in this example, the base piece 111 becomes the lamp pin holding part 110,
A mountain-shaped portion 129 for giving a click feeling at the time of mounting the lamp is formed on the front end side, and the quick connection terminal section 109 is formed by bending the other end side by 90 °. This quick connection terminal part 10
9 comprises a conductive portion 121 of the base piece 111 itself and a bent locking spring portion 113. In this configuration, since it is difficult to provide a member for receiving the tip of the excessively long electric wire (core wire),
The base piece 111 itself is elongated (x). Although a click feeling can be obtained when holding the lamp pin, the fulcrum of holding the lamp pin 1
Since the distance from 23 to the lamp pin holding position is relatively large, the lamp pin holding force is small.

FIGS. 18 and 19 show a structure around a lamp pin insertion hole and a conductive metal fitting of a glow starter socket according to still another conventional example. In the conductive metal fitting 102 in this example, one end side of the base piece 111 is slightly bent to become the lamp pin holding section 110, and the quick connection terminal section 109 is formed on the other end side. The quick-connecting terminal portion 109 includes a conductive portion 121 erected on the base piece 111 and a locking spring portion 113 bent from a side end of the base piece 111. In this configuration, since the distance from the lamp pin holding fulcrum 123 to the lamp pin holding position is relatively large, the lamp pin holding force is small, the clicking feeling at the time of holding the lamp pin is small, and the lamp is mounted at a halfway position. Sometimes.
Although a configuration for receiving the tip of the excessively long electric wire (core wire) is unnecessary, the shape of the conductive metal fitting 102 itself when expanded is not linear.

[0010]

SUMMARY OF THE INVENTION The above-described quick-connecting terminal device used for a lamp socket of a fluorescent lamp and a quick-connecting terminal device for a glow starter socket have the following problems. (1) In the conductive metal fittings for the quick-connect terminal device shown in FIGS.
Since the configuration is such that the (core wire 108) does not enter between the base portion of the conductive plate, that is, the base piece 111 and the lamp pin holding portion 110, the shape becomes complicated, the height increases in the height (longitudinal) direction, and the width direction increases. (Horizontal). (2) There is usually a play in the lamp insertion opening or the insertion hole, and when the lamp receives an excessive force, the lamp pin holding portion is largely displaced. As the stopper, a rib is generally formed on the socket body, but it is difficult to arrange the rib in a bag-shaped socket because of its incorporation. Therefore, FIG.
As shown in (1), measures such as cutting and raising the stopper piece 120 have been required. (3) In the quick-connecting terminal device for a glow starter socket as shown in FIGS. 12 to 19, if the lamp pin holding portion is not formed by bending by 90 ° or more,
The distance to the fulcrum becomes large, and the lamp holding power becomes weak. Further, the displacement of the lamp pin holding portion in this case reduces the electric wire holding force. (4) Unless the positional relationship between the shape of the lamp pin insertion hole and the lamp holding portion is devised, a comfortable clicking feeling cannot be obtained, and the lamp pin may be fixed at an incomplete position during the rotation. (5) In order to protect against an excessively long electric wire, it is necessary to separately take measures such as providing a protective rib on the socket body, providing a receiving portion for receiving the electric wire, and taking a long base piece of the conductive metal fitting.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. (1) The structure in which an electric wire is inserted between a base of a conductive plate and a lamp pin holding portion is simplified and reduced in size. In addition, even if the lamp pin holding portion is largely displaced, it is not necessary to take measures such as providing a rib as a stopper. (3) The lamp pin is not fixed at a halfway position because a comfortable clicking feeling is obtained, and (4) The lamp pin is used for a lamp holding socket which does not require any additional measures for protection against an excessively long electric wire. It is an object of the present invention to provide a quick connection terminal device and a glow starter socket using the same.

[0012]

In order to achieve the above object, the present invention provides an insulating socket body, a lamp pin holding spring portion housed in the socket body and holding a lamp pin, and an electric wire inserted from outside. The lamp pin holding spring portion is formed by bending one end side of the base of the conductive plate to a substantially right angle or more, and the lamp pin holding spring portion is formed of a pair of conductive plates integrally formed with each other. A side view mountain-shaped portion is formed in the vicinity of the tip of the base plate. A quick-connect terminal device in which a bent portion for forming a lamp pin holding spring portion in the conductive plate base is disposed on an extension of an electric wire inserted into the quick-connect terminal portion; Then, by projecting the mountain-shaped portion in a direction away from the conductive plate base, a lamp pin holding portion is formed at a bent portion of the lamp pin holding spring portion to the mountain-shaped portion, and the tip of the mountain-shaped portion is held by the lamp pin holding portion. The tip of the electric wire inserted from the quick-connecting terminal portion is made to protrude from the extension of the spring portion toward the conductive plate base side, and can pass between the tip of the lamp pin holding spring portion and the conductive plate base.

In the above configuration, since the lamp plate holding spring portion is formed by bending the conductive plate at a substantially right angle or more, the distance between the lamp pin holding portion and its fulcrum can be shortened, and a large lamp pin holding force can be obtained. In addition, the tip side of the wire connected to the quick connection terminal portion is inserted between the conductive plate base and the lamp pin holding spring portion, but it is assumed that the lamp pin holding portion is greatly displaced and the tip abuts on the wire. However, since the lamp pin holding spring portion is a two-point support spring, the holding force is sufficiently maintained. Therefore, it is not necessary to provide a rib on the stopper piece or the socket on the conductive plate. Further, the displacement of the lamp pin holding portion when the lamp is mounted is not in a direction in which the electric wire connected to the quick connection terminal portion is easily pulled out. Further, the mountain-shaped portion formed in the lamp pin holding portion provides a comfortable click feeling when the lamp is mounted, and prevents the lamp pin from stopping at a halfway position. Also, since the inside of the bend for forming the lamp pin holding spring portion is located on the extension of the electric wire connected to the quick connection terminal portion, it functions as a stopper for an excessively long electric wire.

According to a second aspect of the present invention, there is provided a glow starter socket in which the quick connection terminal device according to the first aspect is applied to a hook-type glow lamp. As a result, the same effect as described above can be obtained in the socket mounted with the glow lamp.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A quick connection terminal device according to an embodiment of the present invention will be described below with reference to FIGS. 1 and 2, the quick connection terminal device according to the present embodiment is applied to a glow starter socket for a hooked swan-type glow lamp. The socket 1 includes an insulating body 4 and a pair of conductive fittings 6 and 6 housed in the body 4 at symmetric positions with respect to the center of the socket.
It is composed of Each conductive fitting 6 is inserted into the body 4 from the side opening in the direction of the arrow in FIG. A pair of lamp pin large diameter portions 25 of the glow lamp 20 are provided on the upper surface of the body 4.
Are formed, and lamp pin insertion holes 23, 23 are formed therein.
Also, on the side surface, an electric wire insertion port 1 into which the electric wires 9, 9 are inserted.
7, 17 are formed. The lamp pin of the glow lamp 20 has a lamp pin large diameter portion 25 on the tip side and a lamp pin small diameter portion 26 on the root side. Each lamp pin insertion hole 2
Reference numeral 3 denotes a large-diameter portion for receiving the large-diameter portion 25 of the lamp pin and a small-diameter portion for passing the small-diameter portion 26 of the lamp pin, which are arranged substantially symmetrically with respect to the center of the socket. By inserting the lamp pin large-diameter portion 25 of the glow lamp 20 into each lamp pin insertion hole 23 and rotating it, and inserting each electric wire 9 from each electric wire insertion port 17, the glow lamp 20 is inserted.
And each electric wire 9 is electrically and mechanically connected to each conductive metal fitting 6 with one touch.

In FIG. 2, the left half from the center shows the lamp fixed state, and the right half shows the rotating state for mounting the lamp. The lamp pin holding spring portion 7 of each conductive fitting 6 is arranged on the outer peripheral side of the small diameter portion of each lamp pin insertion hole 23, and when the glow lamp 20 is rotated, the lamp pin large diameter portion 25 becomes the tip of the spring portion 7. The positional relationship is such that a contact is made from the side mountain-shaped portion. Also, the lamp pin insertion hole 2
The small diameter portion 3 guides the lamp pin small diameter portion 26 when the glow lamp 20 rotates and moves.
It has a function to prevent the falling off and stop the rotation movement more than a predetermined value.

Here, a detailed configuration of the conductive fitting 6 will be described with reference to FIG. The lamp pin holding spring portion 7 of the conductive metal fitting 6 is formed by bending one end side 6b (which becomes a fulcrum) of the conductive plate base 6a to approximately 90 ° (right angle) or more,
The tip portion of the lamp pin holding spring portion 7 has a mountain shape portion 7 in a side view.
a is formed. This mountain-shaped portion 7a is
The projection protrudes in the direction away from a, and an inflection to the mountain-shaped portion 7a is a lamp pin holding portion 7b. Further, the tip 7c of the mountain-shaped portion 7a protrudes from the extension of the lamp pin holding spring portion 7 toward the conductive plate base 6a.

The quick-connecting terminal portion 8 is formed by bending the other end of the conductive plate base 6a at substantially the right angle to the same side as the side where the lamp pin holding spring portion 7 is located, and cutting and raising the side 8a. The lock spring portion 8b and the conductive portion 8c of the conductive plate base 6a itself are formed. The space formed by the front end side of the locking spring portion 8b and the cut-and-raised portion serves as an insertion opening of the core wire 10. Further, the inside 6 c of the bent portion for forming the lamp pin holding spring portion 7 in the conductive plate base 6 a is configured to be located on an extension of the core wire 10 inserted into the quick connection terminal portion 8. The conductive metal fitting 6 is locked in the socket body 4 by the conductive plate fixing portions 6d and 8d.

In the quick-connecting terminal device using the conductive metal member 6 configured as described above, as shown in FIG.
When the electric wire 9 is connected to the quick connection terminal portion 8, the tip of the core wire 10 is connected to the tip 7c of the lamp pin holding spring portion 7 and the conductive plate base 6a.
The lamp pin 3 is held by the lamp pin holding portion 7b of the lamp pin holding spring portion 7 from this state. At this time, since there is usually play in the hole of the rotor 1 and the like of the socket 1 into which the lamp pin 3 is inserted, when an excessive force is applied to the fluorescent lamp 2 in the lateral direction, the lamp pin 3 is displaced, and the lamp pin holding spring is displaced. The part 7 is over-deformed. Even in this case, the tip 7c of the mountain-shaped portion 7a of the lamp pin holding spring portion 7 has a shape protruding from the extension of the spring portion 7 toward the conductive plate base 6a.
As shown in (b), the tip 7 of the lamp pin holding spring portion 7
c comes into contact with the core wire 10.

Thus, the lamp pin holding spring 7 is
One end 6b of conductive plate base 6a and lamp pin holding spring 7
Functions as a two-point support spring with the tip 7c of the support member as a fulcrum (both are indicated by black dots), and does not lose its spring property. For this reason, the size and simplification of the quick connection terminal device and the socket 1 itself can be achieved while maintaining the lamp pin holding performance. In addition, since the core wire 10 functions as a stopper that limits the operating range of the lamp pin holding spring portion 7, it is not necessary to separately provide a stopper. Note that, as described above, the lamp pin 3
In addition to the case where excessive force is applied to the above, the above-described operation can be obtained even when the interval between the lamp pins 3 is wide.

When the glow lamp 20 is mounted on the socket 1, the large diameter portion 25 of the lamp pin is inserted into the lamp pin insertion hole 23.
And rotated in the direction of the arrow in FIG. As the lamp 20 rotates, the large diameter portion 25 of each lamp pin is held from the tip end side of each lamp pin holding spring portion 7 over the mountain-shaped portion. At this time, since an appropriate click feeling is obtained, the lamp 20 is not held at a halfway position. Further, the tip of the core wire 10 connected to the quick connection terminal portion 8 is inserted between the bent inner surface side of the lamp pin holding spring portion 7 and the base of the conductive plate, and these function as stoppers for an excessively long electric wire.

Next, an embodiment in which the quick connection terminal device is applied to a socket 1 for holding lamp pins 3 located at both ends of a straight tube fluorescent lamp 2 will be described with reference to FIGS. The socket 1 includes an insulative socket body 4 and a cover 5 made of a resin material or the like forming a socket body, and a pair of conductive fittings 6 and 6 housed and fixed in the socket body 4.
(Conductive plate). Each of the conductive fittings 6 is made of a plate material such as a copper alloy, and is integrally formed with a lamp pin holding spring portion 7 for holding the lamp pin 3 and a quick connection terminal portion 8. A core wire 10 of an electric wire 9 inserted from the outside is electrically and mechanically connected and fixed to the quick connection terminal portion 8 with one touch. An opening 11 is formed in the cover 5, and a rotor 12 is rotatably supported by the cylindrical portion 13 of the socket body 4 in the opening 11. Socket body 4, cover 5
And each of the rotors 12 has a fluorescent lamp 2
Lamp pin insertion grooves 14, 15, 16 for inserting the lamp pins 3 when mounting the lamp pins 3 are formed.

As described above, the quick-connecting terminal portion 8 for connecting the core wire 10 of the electric wire 9 and the lamp pin holding spring portion 7 for abutting and holding the large diameter portion 25 of the lamp pin are integrally formed on the conductive metal member 6 by bending. ing. The quick-connecting terminal portion 8 is
And a locking spring portion formed by cutting and raising the base piece at one end of the base piece. The lamp pin holding spring portion 7 is formed by bending one end side (which becomes a fulcrum) of the conductive plate base to approximately 90 ° or more.
A mountain-like portion in a side view is formed at the tip end side and protrudes in a direction away from the conductive plate base.

Each of the conductive fittings 6 is set at a symmetrical position in the socket body 4. The electric wires 9, 9 are inserted into electric wire insertion ports 17, 1 provided on the side surface of the socket body 4.
7 and are quickly connected to the quick connection terminal portion 8. The socket body 4 is attached to a socket attachment portion of a lighting fixture body (not shown). When the fluorescent lamp 2 is mounted on the socket 1, the lamp pins 3 are inserted into the lamp pin insertion grooves 14, 15, 16
When the fluorescent lamp 2 is rotated and the fluorescent lamp 2 is rotated, the rotor 12 is also integrally rotated, whereby the lamp pin 3 is prevented from coming off and at the same time, the lamp pin holding spring of the conductive metal fitting 6 is held. It is held by the part 7 and is electrically and mechanically connected and fixed.

By setting the fluorescent lamp 2 at a predetermined position of the socket 1 and rotating it in the direction of the arrow A in FIG. 6, at least one of the lamp pins 3 has the mountain-shaped portion 7a It is held at the position of the lamp pin holding portion 7b that has passed over. Since the lamp pin 3 is held by the lamp pin holding spring portion 7 in this manner, a good click feeling can be obtained at the time of mounting. Further, since the distance between one end 6b (fulcrum) of the conductive plate base 6a and the lamp pin holding portion 7b is relatively short, a large lamp pin holding force can be obtained.

Furthermore, the tip of the core wire 10 of the electric wire 9 inserted from the quick connection terminal portion 8 can pass between the lamp pin holding spring portion 7, that is, the tip 7c of the mountain-shaped portion 7a and the conductive plate base portion 6a. I have. As described above, since the inside 6c of the bent portion of the lamp pin holding spring portion 7 is located on the extension of the core wire 10 inserted into the quick connection terminal portion 8, the inserted core wire 10 can be used without requiring a special stopper. Is
Even if it is long, it stops at the bent portion inside 6c, so that the size of the socket 1 itself can be reduced. In addition, the same operation and effect as those of the above-described embodiment of the glow starter socket can be obtained.

Next, referring to FIGS. 7A and 7B, a case where the conductive metal fitting 102 shown in FIG. 10 is used as a conventional example and a case where the conductive metal fitting 6 shown in each of the above embodiments is used. The difference between the action and the effect in the case where there is a case will be described in comparison. FIG.
In the case of the conventional example shown in (a), since the light pin engaging portion 115 of the lamp pin holding portion 110 is formed so as to protrude toward the conductive plate base 111, the light pin is attached to the conductive plate base 111 or the inserted electric wire. When the engaging portion 115 comes into contact, the spring property is lost. In order to take the countermeasure, the lengths d and h shown in FIG. 9 or FIG.
The shape is as shown in FIG. This leads to an increase in the size and complexity of the quick connection terminal device and an increase in the size of the socket. Also,
When the leading end of the wire inserted into the quick-connect terminal device comes into contact with the engaging portion 115 due to a large amount of protrusion of the light pin engaging portion 115, the wire is not sufficiently inserted and the core portion is exposed. I will.

On the other hand, according to the conductive fitting 6 of the present embodiment shown in FIG. 7B, the mountain-shaped portion 7a formed on the lamp pin holding spring portion 7 projects in a direction away from the conductive plate base 6a. Since the tip 7c of the mountain-shaped portion 7a protrudes from the extension of the lamp pin holding spring portion 7 toward the conductive plate base 6a, as described above, there is no loss of springiness. Therefore, there is no need to take the above measures,
The size and simplification of the quick connection terminal device can be achieved.

The present invention is not limited to the configuration of the above embodiment, and various modifications are possible. For example, various types of sockets can be applied to the socket in which the quick connection terminal device is stored.

[0030]

As described above, according to the present invention,
(1) A lamp pin holding spring portion formed by bending a conductive plate at a substantially right angle or more protrudes a mountain-shaped portion for generating a click feeling in a direction away from the conductive plate base, and a tip of the mountain-shaped portion is formed by a lamp pin holding spring. The lamp pin holding portion was greatly displaced, and the tip of the lamp pin holding spring portion was inserted between the conductive plate base portion and the lamp pin holding spring portion because the shape was made to protrude toward the conductive plate base side from the extension of the portion. Even if it comes into contact with the electric wire, the lamp pin holding spring portion is a two-point support spring, so that the holding force is not weakened. Therefore, the shape of the conductive plate is not complicated as in the related art, and there is no need to provide a stopper piece or a rib, and the configuration of the quick connection terminal device and the socket can be simplified and downsized. (2) Since the lamp plate holding spring portion is formed by bending the conductive plate at a substantially right angle or more, the distance between the lamp pin holding portion and its fulcrum can be shortened, so that a large lamp pin holding force can be obtained with a small displacement. Further, since the independence of the lamp pin holding portion and the quick connection terminal portion can be maintained, the electric wire does not easily come off due to the displacement of the lamp pin holding portion. (3) Since a mountain-shaped portion is formed in the lamp pin holding portion, a comfortable click feeling is obtained when the lamp is mounted, and the lamp pin can be prevented from stopping at a halfway position of the lamp pin holding portion, and the lamp can be used during use. It will not come off. (4) Since the quick-connecting terminal portion is arranged so that the inside of the bend for forming the lamp pin holding spring portion is located on the extension of the electric wire, the inside of the bent portion serves as a stopper for the excessively long electric wire. This eliminates the need for a special receiving portion on the conductive plate and the need to separately provide a rib on the socket.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a glow socket housing a quick-connecting terminal device according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional plan view of the socket.

FIG. 3 is a perspective view of a conductive fitting that forms the quick connection terminal device.

FIGS. 4A and 4B are diagrams showing before and after the quick connection terminal device holds the lamp pin.

FIG. 5 is an exploded perspective view of a socket for holding a lamp pin housing a quick-connecting terminal device according to another embodiment of the present invention.

FIG. 6 is a plan view of the socket body.

FIGS. 7 (a) and 7 (b) are diagrams for explaining a function and effect of a conductive metal fitting of a conventional example and the present embodiment.

FIG. 8 is a partial cross-sectional view of a socket employing a conventional quick-connect terminal device.

FIG. 9 is a perspective view of a conductive metal fitting used in the same-speed connection terminal device.

FIG. 10 is a perspective view showing another conventional example of a conductive metal fitting.

FIG. 11 is a perspective view showing still another conventional example of a conductive metal fitting.

FIG. 12 is a diagram showing a configuration of a main part of a conventional glow socket.

FIG. 13 is a perspective view of a conductive fitting used in the socket.

FIG. 14 is a diagram showing a configuration of a main part of a conventional glow socket.

FIG. 15 is a perspective view of a conductive fitting used in the socket.

FIG. 16 is a diagram showing a main part configuration of a conventional glow socket.

FIG. 17 is a perspective view of a conductive fitting used in the socket.

FIG. 18 is a diagram showing a configuration of a main part of a conventional glow socket.

FIG. 19 is a perspective view of a conductive fitting used in the socket.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Socket 3 Lamp pin 4 Socket body 6, 6 Conductive metal fitting (conductive plate) 6a Conductive plate base 7 Lamp pin holding spring part 7a Mountain shape part 7b Lamp pin holding part 8 Quick connection terminal part 9 Electric wire 20 Glow lamp 25 Large diameter lamp pin part

Claims (2)

[Claims] An insulated socket body, a pair of conductive plates integrally formed with a lamp pin holding spring portion housed in the socket body and holding a lamp pin, and a terminal portion for connecting an electric wire inserted from the outside. The lamp pin holding spring portion is formed by bending one end side of the base of the conductive plate to a substantially right angle or more, and a mountain-like portion in a side view is formed near the tip of the lamp pin holding spring portion. The quick connection terminal portion is formed by bending the other end side of the conductive plate base at substantially the right angle to the same side as the side where the lamp pin holding spring portion is located, and is bent for forming the lamp pin holding spring portion on the conductive plate base. In the quick-connecting terminal device in which the inside of the portion is disposed on an extension of the electric wire inserted into the quick-connecting terminal portion, the convex portion protrudes in a direction away from the conductive plate base. By doing so, a lamp pin holding portion is formed at the inflection portion of the lamp pin holding spring portion to the mountain-shaped portion, and the tip of the mountain-shaped portion is projected toward the conductive plate base side from an extension of the lamp pin holding spring portion, A quick-connect terminal device, wherein a tip of an electric wire inserted from the quick-connect terminal can pass between a tip of the lamp pin holding spring portion and a conductive plate base. 2. A glow starter socket, wherein the quick-connect terminal device according to claim 1 is applied to a hook-type glow lamp.