JPH04167382A - Connector for discharge lamp - Google Patents

Abstract

PURPOSE:To obtain a connector for a discharge lamp of high insulating properties, high connection strength and excellent durability by resin molding the connecting portion of a female terminal and a cord for transmitting electricity to each other. CONSTITUTION:A male terminal 31 is formed by bending of a metallic thin plate being cut into predetermined form, having a wire barrel 32a extending in the horizontal direction, a cord holding portion 32 having an insulation barrel 32b formed therein, and a bent extending portion 33 of L-shaped cross section extending horizontally from the holding portion 32 and rising upward. The end portion of a cord L for transmitting electricity is held by the holding portion 32 and the male terminal 31 is electrically connected to the cord L and also this connecting portion is resin finished and integrated by the terminal 31, the cord L and a resin mold body 30. Therefore insulation at the connecting portion of the terminal 31 and the cord L to each other is secured by the resin mold body 30 and also insulation strength at the connecting portion is ensured.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connector for a discharge lamp, and particularly to a connector for a discharge lamp used as a bulb for an automobile.

[Prior art]

As shown in FIG. 7, a conventional connector of this type includes a male connector 1, which is a base 2 of a discharge lamp from which a pair of male terminals 3, 3 are formed protrudingly, and a male connector 1, which is a base 2 of a discharge lamp, and a male connector 1, which is a base 2 of a discharge lamp, from which a pair of male terminals 3, 3 are formed protrudingly.
, 3, and a female connector 5 provided with female terminals 6°6 that can be engaged with the male terminals 3, 3, respectively.
, 2a, and a partition wall 6a is formed between the female terminals 6, 6.

When both connectors 1 and 5 are engaged, the male terminal 3
and the female terminal 5 engage with each other, and the partition wall 6a engages with the collar 2.
a, the terminal 3 (6) engages with the gap 2b between 2a,
3 (6) Insulation is provided between the two.

[Problem to be solved by the invention]

However, in the conventional connector described above, the base end of the female terminal 6 is fixed to the female connector housing by the nut 7, and the nut 7 also connects the energizing cord 8 to the female terminal 6.
It has a structure that connects and fixes it. Therefore, it is troublesome to assemble and fix the female terminal 6 to the connector housing, resulting in a problem that it takes time to assemble the female connector.

Furthermore, in addition to concerns about the withstand voltage in the area between the female terminals 6 and 6 where high voltage is applied, insulation at the connection between the female terminal 6 and the energizing cord 8 is not taken into consideration, and the nut 7 may become loose. There is also the problem that there is concern about the electrical connection if the cord 8 is pulled or the like.

The present invention has been made in view of the problems of the prior art,
The purpose is to provide a discharge lamp connector that is easy to assemble, has a high withstand voltage at the female connector, and has excellent connection strength and insulation at the connection between the female terminal and the current-carrying lead wire. be.

[Means to solve the problem]

In order to achieve the above object, the discharge lamp connector according to claim (1) includes: a male side connector which is a lamp base of a discharge lamp, from which a pair of male terminals are formed protrudingly; In a discharge lamp connector comprising a male connector and a pair of engageable female connectors that fixedly hold a pair of engageable female terminals, the female connector is connected to the outer side of the partition wall by a pair of spaced apart partition walls. A female connector housing made of synthetic resin is formed with a terminal accommodating chamber, respectively, and an energizing cord is connected to the female terminal housing. The female terminal holder is made of a synthetic resin and has a male terminal insertion hole, which is inserted into the female terminal to securely hold the female terminal. be.

Further, in the discharge lamp connector according to claim (2), there is provided a male side connector which is a lamp base of the discharge lamp and has a pair of protruding male terminals, and a pair of female connectors which are engageable with the pair of male terminals. In a discharge lamp connector comprising the male connector and a pair of engageable female connectors that fixedly hold terminals, the female connectors each have a terminal accommodating chamber formed on the outside of the partition wall by a pair of spaced apart partition walls. The synthetic resin female connector housing and the energizing cord are respectively connected, and the female terminals respectively housed in the terminal housing chambers are inserted into the female connector housing by concave and convex lance engagement. Consists of a synthetic resin female terminal holder with a male terminal insertion hole that securely holds the terminal.
A connecting portion between the female terminal and the energizing cord is integrated into the female connector housing by insert molding.

[Effect]

In claim (1), the connection part between the female terminal and the energizing cord is molded with resin, and the resin molding that covers the connection part between the female terminal and the energizing cord ensures insulation at this connection part and also prevents the connection. To strengthen the connection strength of the parts. If the female terminal of the female terminal/cord assembly whose connection part is resin-molded is accommodated in the terminal accommodation chamber of the female connector housing, and the female terminal holder is inserted into the female connector housing by engaging the concave and convex lance, the female The terminal is fixedly held within the connector housing by a female terminal holder,
Integrated as a female connector.

Further, since the resin molded portion covering the connection portion between the female terminal and the energizing cord has a higher #jiA# proof strength than air, the withstand voltage in the female connector is improved.

In claim (2), the connecting portion between the female terminal and the energizing cord is integrally molded with the female connector housing made of synthetic resin, and the connector housing integrally covers the connecting portion between the female terminal and the energizing cord. Insulation at this connection part is ensured, and the connection strength of the connection part is made strong.

In addition, the female terminal is integrated into the female connector housing by integral molding and is pre-installed on the terminal housing wall, and if the female terminal holder is inserted into the female connector housing by engaging the concave and convex lance, it will be integrated as a female connector. 6 Furthermore, since the synthetic resin that is the constituent material of the female connector housing has a higher dielectric strength than air, the withstand voltage in the female connector is improved. The explanation will be based on.

Figures 1 to 4 show one embodiment of the present invention.
The figure is an exploded perspective view of the discharge lamp connector, Figure 2 is an exploded perspective view of the discharge lamp connector with the female terminal housed in the female connector housing, Figure 3 is an exploded longitudinal sectional view of the female connector, FIG. 4 is a longitudinal sectional view of the female connector and the male connector in a connected state.

In these figures, reference numeral 10 denotes a discharge lamp used in an automobile headlamp, and a discharge lamp body 16 is supported by a pair of long and short lead supports 14a and 14b that protrude from the front of an insulating lamp base 12 made of synthetic resin. ing. On the front of the base 12 is a UV shielding glove 5.
The opening side base end of the discharge lamp body 16 is fixed with an adhesive, and the discharge lamp body 16 is surrounded by a cup-shaped globe 5o. Ultraviolet rays are cut by this ultraviolet ray shielding glove 50. In addition, a lead support 1 is attached to the rear of the base 12 by welding, etc.
The male terminals 15.15 integrated with 4a and 14b protrude, l! ! A male connector 13 is integrally formed at the rear end of the edge lamp base 12. At the periphery of the base 12, there are insulating partition walls 1 surrounding the male terminals 15 and 15, respectively.
8 is formed, and an insulating partition wall 18a for preventing discharge is formed between the male terminals 15 and 15.

Reference numeral 20 denotes a female connector, which has a pair of terminal accommodating chambers 24.
24, a container-shaped connector housing 21 made of synthetic resin, a female terminal 31. It is composed of a female terminal holder 41 and a female terminal holder 41.

On the front of the connector housing 21 (upper part in Figure 1),
A pair of partition walls 23.23 are formed protrudingly spaced apart by a predetermined distance S1, and a terminal accommodating chamber 24 with a step 25 is formed between each partition wall 23, 23 and the outer circumferential wall 22 of the housing. Reference numeral 23a denotes a vertical rib extending parallel to the partition wall 23, which supports both left and right side surfaces of the female terminal 31 accommodated in the terminal accommodating chamber 24.

The female terminal 31 is formed by bending a thin metal plate cut into a predetermined shape, and includes a needle gripping part 32 in which a wire barrel 32a and an insulation barrel 32b extending left and right are formed, and this cord gripping part 32. A bent extension part 33 which extends horizontally from the top and rises upwardly and has an 8-shaped cross section, and is formed at the upper end of this bent extension part 33;
Rectangular frame-shaped terminal portion 34 that can be engaged with the male terminal 15
It consists of. Then, the end of the energizing cord L is gripped by the cord gripping part 32, and the female terminal 31 and the cord L are electrically connected, and this connection part is resin-molded, so that the female terminal 31 and the cord L are connected together. is resin mold body 3
It has an integrated structure by o. Therefore, insulation at the connection part between the female terminal 31 and the cord L is ensured by the resin mold body 30, and the insulation strength at the connection part is also ensured6. It has a rectangular parallelepiped shape that can be completely accommodated in the formed cord insertion passage 26, and if this resin molded body 30 is accommodated in the cord insertion passage 26, the terminal portion of the female terminal will be placed outside of the terminal accommodating chamber forming partition 23. 34 is attached, and the terminal part 34
The left and right sides of are in contact with the vertical rib 23a (fourth
(See Figure 5).

The female terminal holder 41 has a shape in which a pair of rectangular container-shaped regions 42.42 corresponding to the terminal accommodating chambers 24.24 are integrally formed with a predetermined gap S2 in between, and the longitudinal side edges 43 of the holder are It engages with a hook 22a formed on the outer circumferential wall 22 of the female connector and is prevented from being pulled out. This rectangular container-shaped area 42 has a shape that completely covers the female terminal 31 from above.
1.31 is ensured. Opposing side walls 42a, 42a of the rectangular container-shaped area 42.42 constitute a hollow partition 45 (see FIGS. 2 and 3), and when the terminal holder 41 is inserted into the connector housing 21, the side walls 42a, 42a is adapted to just engage with the recess H between the partition walls 23 and 23. A pair of vertical ribs 42b, 42b (see FIG. 2) extending vertically are formed in the container-shaped region 42, 42, respectively, and the terminal portion 34 of the female terminal accommodated in the terminal accommodating chamber 24 is connected to the vertical ribs. 42b
are designed to hold in contact with each other. Further, the rectangular container-shaped region 42 is sized to just fit inside the partition wall 18 of the male connector 13. Also, female terminal holder 4
A male terminal insertion hole 44 is formed in the upper end surface of each of the container-shaped regions 42 of 1, and when the terminal holder 41 is inserted into the female connector housing 21, the female terminal 31 is fixedly held in the terminal accommodating chamber 24. and both connectors 13°20
When the terminals are engaged and connected, the terminal receiving chamber 2 is inserted from the terminal insertion hole 44.
The male terminal 15 protruding into the terminal portion 34 is the female terminal.
It is designed to be inserted into.

Also, the gap S2 between the container-shaped regions 42 and 42 is #! of the male connector 13. # when connecting one connector 13.20 with a thickness that allows the edge bulkhead 18a to engage! The edge partition wall 18a is adapted to fit completely within this gap S2.

Next, a procedure for assembling the female connector 20 and a procedure for connecting the male and female connectors 13 and 20 will be explained.

As shown in FIG. 2, the energizing cord L and the female terminal 31
A resin molded body 30 for molding the connection portion is housed in the cord insertion passage 26 of the female connector housing 21.

With this, the female terminal 31 is positioned at a predetermined position in the terminal accommodating chamber 24. Then, the female terminal holder 41 is pushed in from above against the elastic force of the hook 22a to engage the female connector housing 21 with the convex-concave lance. At this time, the hollow partition 45 of the female terminal holder 41 engages with the recess H between the partitions 23 and 23 of the female connector housing 21, and the vertical rib 42b on the terminal holder 41 side supports the female terminal 31. As a result, the female terminal 31 is fixedly held in the terminal accommodating chamber 24, and the side edge 43 of the terminal holder 41 allows the resin molded body 30 to be fixedly held in the cord insertion passage 24.
6 and integrated as a female connector 20. Then, the male connector 1 of the discharge lamp 10 is inserted into the bulb insertion hole (not shown) of the reflector.
Connect this female connector 20 to 3. To connect the male and female connectors 13 and 20, insert the male terminal 15 into the male terminal insertion hole 4.
4, the male connector hook (not shown) formed on the outer surface of the insulating bulkhead 18
is engaged with an engagement recess 22d (see FIG. 1) formed in the connector housing 21 of the female connector 20, and is prevented from being removed.

A state in which the male connector 13 and the female connector 20 are connected is shown in FIG. 4, and the insulating partition wall 18a of the male connector 13 is inserted into the Ksz between the female terminal holders 41. and terminal 15 (31), 15
(31) In addition to the partition walls 23 and 23, there is an opposing side wall (synthetic resin material) 4 of the terminal holder that has higher insulation than the air layer.
2a, 42a and the insulating partition wall (synthetic resin material) 18a extend, and the terminals 15 (31), 15 (31
), the space distance and creepage distance between the positive and negative terminals are approximately equal to the protruding length of the insulating partition wall 18a.
It has increased a-ness.

5 and 6 show other embodiments of the present invention,
FIG. 5 is an exploded perspective view of the connector housing, which is the main part of the female connector constituting the discharge lamp connector;
FIG. 6 is a longitudinal sectional view of the connector housing.

In the embodiment described above, the connection portion between the female terminal 31 and the energizing cord L is integrated by resin molding, but in this embodiment, 111 connecting portions between the female terminal 31 and the energizing cord L are formed by insert molding. It is distinctive in that it is integrated into the connector housing 121. Therefore, in assembling the female connector 120, the step of accommodating the female terminal 31 and the energizing cord L in a predetermined position is omitted, and the female connector can be assembled quickly and easily. Note that the other structures are the same as those of the above-described embodiments, and redundant explanations will be omitted by assigning the same reference numerals.

〔Effect of the invention〕

As is clear from the above description, according to the discharge lamp connector according to claim (1), the connection part between the female terminal and the current-carrying cord is molded with resin and has high insulation properties, and the connection strength is also strong. It also has excellent durability.

In addition, if the female terminal of the female terminal/cord joint whose connection part is resin-molded is accommodated in the terminal accommodation chamber of the female connector housing, and the female terminal holder is inserted into the female connector housing by engaging the concave and convex lance, Since the female terminals are fixedly held in the connector housing by the female terminal holder and integrated as a female connector, the female connector can be easily and quickly assembled, and thus the connector can be assembled easily and quickly.

Furthermore, since the resin molded portion covering the connection between the female terminal and the current-carrying cord has a higher dielectric strength than air, the female connector has a high withstand voltage and there is no fear of electrical discharge at the female connector.

Further, according to the discharge lamp connector according to claim (2), the connection part between the female terminal and the energizing cord is integrally molded with the female connector housing made of synthetic resin, and has high insulation properties and strong connection strength. It also has excellent durability.

In addition, the female terminal is integrated into the female connector housing by integral molding and is pre-installed on the terminal housing wall, and if the female terminal holder is inserted into the female connector housing by engaging the concave and convex lance, it will be integrated as a female connector. , the assembly of the female connector is easy and quick.
This also simplifies and speeds up assembly of the connector.

Furthermore, since the synthetic resin that is the constituent material of the female connector housing has a higher dielectric strength than air, the female connector has a high withstand voltage and there is no fear of electrical discharge in the female connector.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a discharge lamp connector according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the discharge lamp connector with the female terminal housed in the female connector housing, and FIG. Exploded longitudinal sectional view of the female connector, No. 4
5 is a longitudinal sectional view of the female connector and the male connector in a connected state; FIG. FIG. 6 is a longitudinal sectional view of the same connector housing, and FIG. 7 is a sectional view of a conventional connector. DESCRIPTION OF SYMBOLS 10...Discharge lamp, 15...Male terminal, 13...Male side connector integrally formed on the insulating lamp base, 20.120...Female side connector, 21.121...Female side Connector housing, 23・
...Female side terminal accommodation chamber forming partition, 24...Terminal accommodation chamber, 30...Resin mold body, 31...Female terminal, 41...Female terminal holder, 22a, 43...Female terminal holder and the uneven lance engagement part between the female connector and the housing, L... Cord for energizing.

Claims (2)

[Claims] (1) A male connector, which is a lamp base of a discharge lamp, from which a pair of male terminals are formed protruding; and a male connector, which is engaged with the male connector and which fixes and holds a pair of female terminals that can be engaged with the pair of male terminals. A discharge lamp connector comprising a pair of female connectors that can be mated together, the female connector having a synthetic resin female connector housing in which a pair of spaced apart partition walls each have a terminal accommodating chamber formed on the outside of the partition wall, and Formation of male terminal insertion holes to which male terminal cords are respectively connected and female terminals housed in the terminal accommodating chambers are inserted into the female side connector housing by concave-convex lance engagement to securely hold the female terminals. 1. A connector for a discharge lamp, comprising a female terminal holder made of a synthetic resin, and a connecting portion between the male terminal and the energizing cord is molded with resin. (2) A male connector, which is a lamp base of a discharge lamp, from which a pair of male terminals are formed protrudingly formed, and a connector that engages with the male connector, which fixes and holds a pair of female terminals that can be engaged with the pair of male terminals. A discharge lamp connector comprising a pair of female connectors that can be mated together, the female connector having a synthetic resin female connector housing in which a pair of spaced apart partition walls each have a terminal accommodating chamber formed on the outside of the partition wall, and Formation of male terminal insertion holes to which male terminal cords are respectively connected and female terminals housed in the terminal accommodating chambers are inserted into the female side connector housing by concave-convex lance engagement to securely hold the female terminals. 1. A connector for a discharge lamp, comprising a female terminal holder made of a synthetic resin, and a connecting portion between the female terminal and the energizing cord is integrated into the female connector housing by insert molding.