JPH10335004A - Connector with built-in electronic component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector with built-in electronic component of which number of items component is reduced. SOLUTION: A connector housing 2 is provided with a component storage room 7 for containing electronic and a terminal storage room 8 for installing a female side terminal metal fitting 6. Three male side terminal metal fittings 3, a capacitor 4, a resistance 5, and a holding member 14 are previously connected to form a mounting member 20, and the mounting member 20 is installed from a component insertion hole 7A side. After the inside of the component storage room 7 is molded with a filling material to be cured, a female side terminal metal fittings 6 is inserted from a female terminal insertion hole 8A. When the female side terminal metal fittings 6 are engaged with lances 10, the male and female terminal metal fittings 3 and 6 are electrically connected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a connector with a built-in electronic component.

[0002]

2. Description of the Related Art FIGS. 13 to 15 show a conventional connector 50 with a built-in electronic component. This electronic component built-in connector 5
In the connector housing 51, a component housing chamber 5 for housing a capacitor 52 and a resistor 57, which are electronic components, is provided.
3 and a terminal housing chamber 5 for housing the male terminal fitting 54.
5 are provided. After the capacitor 52 and the resistor 57 are connected to the male terminal fitting 54, they are mounted through the opening of the component storage chamber 53 and molded into the component storage chamber 53 with a filler. On the other hand, this electronic component built-in connector 5
A mating female connector 56 that can be fitted into the electronic component 0 is prepared, and a group of electric wires W for forming a circuit connected to the electronic component is connected to the female connector 56.

[0003]

However, in the prior art, a female connector 56 for a female terminal fitting 58 and an electronic component built-in connector 5 containing a capacitor 52 and a resistor 57 are provided.
There is a problem that the number of components is large because two connectors, 0 and 2, are required. The present invention has been made in view of the above circumstances, and an object thereof is to provide an electronic component built-in connector with a reduced number of components.

[0004]

According to a first aspect of the present invention, there is provided a connector with a built-in electronic component, wherein a component housing chamber for housing the electronic component and an external terminal fitting to which a mating external terminal fitting can be inserted. A connector housing having a terminal housing chamber, a terminal fitting provided in the connector housing and connected to the external terminal fitting inserted into the external terminal housing chamber, and a connector housing provided and inserted in the external terminal fitting housing chamber. A terminal locking portion that engages with the external terminal fitting to prevent the terminal fitting from coming off; and an electronic component housed in the component housing chamber of the connector housing and connected to the terminal fitting. .

According to a second aspect of the present invention, in the first aspect, the terminal fitting is supported by a holding member provided in the connector housing, and the holding member is provided in the component housing chamber of the connector housing. And the terminal fitting is protruded into the terminal receiving chamber, and the holding member is locked by a locking portion provided in an enclosing wall constituting the terminal receiving chamber. Is filled.

According to a third aspect of the present invention, in the second aspect, a sealing rib is provided on an outer periphery of the holding member so as to be pressed into an enclosure of the component housing chamber. And

[0007]

According to the first aspect of the present invention, the electronic component and the terminal fitting are connected and accommodated in the connector housing, and the external terminal fitting is connected to the terminal fitting while the external terminal fitting is outside the connector housing. It is provided in the terminal accommodating room in a state where it cannot be removed. As described above, since the electronic component, the terminal fitting, and the external terminal fitting are provided in one connector housing, it is not necessary to separately provide the connector housing as in the related art, and the number of components can be reduced.

According to the second aspect of the present invention, the terminal fitting is attached to the connector housing while being supported by the holding member. At this time, the locking between the holding member and the connector housing is performed inside the connector housing. For this reason, it is not necessary to provide a through-hole in the outer wall surface of the connector housing to form an engaging portion, and the waterproof property is improved.

According to the third aspect of the present invention, when the holding member is pressed into the component storage chamber, the sealing rib provided on the outer periphery of the holding member fills the gap between the surrounding wall and the holding member. This prevents the molding resin from leaking from the component storage chamber to the terminal storage chamber.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment Next, a first embodiment of the present invention will be described with reference to FIGS. FIG. 3 shows the electronic component built-in connector 1 before assembly. This electronic component built-in connector 1 includes a connector housing 2, three male terminal fittings 3,
A capacitor 4 (electronic component) and a resistor 5 (electronic component) connected to the male terminal fitting 3 and a female terminal fitting 6 connected to the electric wire W are provided.

The female terminal fitting 6 is formed by bending a conductive metal plate, and has a box-shaped connecting portion 6A formed at the tip (in the direction of connection with the male terminal fitting 3), which will be described later. The male terminal fitting 3 can be connected. Also,
A lance engaging portion 13 is provided at the center of the lower surface of the female terminal fitting 6 and engages with a lance 10 formed on the connector housing 2. A core portion (not shown) of the electric wire W is crimped at a rear portion of the female terminal fitting 6, and a rubber stopper 12 is attached to protect the crimped portion in a waterproof state. The rubber stopper 12 is formed in a tubular shape with three bellows, and an electric wire W is inserted through the inside of the tubular member. The electric wire W is connected to a wire harness (not shown) that forms a circuit connected to the electronic component.

The connector housing 2 is integrally formed in a substantially rectangular parallelepiped shape from a synthetic resin material. A rear half portion (the left half in FIG. 3) of the connector housing 2 accommodates the capacitor 4 and the resistor 5. A component accommodating chamber 7 is provided, and a terminal accommodating chamber 8 for mounting the female terminal fitting 6 is formed on the front half surface (right half in FIG. 3). The component storage chamber 7 is recessed from the vicinity of the center of the connector housing 2 toward the rear end, leaving only the surrounding wall surface, and the rear end portion is opened as a component insertion port 7A. Further, a terminal insertion hole 7 </ b> B communicating with the terminal storage chamber 8 is formed in the partition wall 9 at the back of the component storage chamber 7.

The partition wall 9 is composed of a component storage chamber 7 and a terminal storage chamber 8.
The holding member insertion space 18 is formed between the connector housing 2 and the outer wall surface of the connector housing 2. A pair of locking holes 17 for locking claw pieces 16 described later are provided in left and right portions of the partition wall 9. Three terminal housing chambers 8 are formed in one horizontal row, and are formed so that female terminal fittings 6 described later can be attached thereto. At a front end portion (right end portion in FIG. 3) of the connector housing 2, one end of the terminal accommodating chamber 8 is opened as a female terminal insertion opening 8A. A lance 10 corresponding to the terminal locking portion of the present invention is provided at the center of the lower wall surface of the terminal accommodating chamber 8.
Is protruding. A punching space 11 is formed below the lance 10, whereby the lance 10 is formed so as to be able to bend and deform downward, so that the female terminal fitting 6 can be engaged in a retaining state. Although not shown in detail, on the lower wall surface of the connector housing 2, a fixing protrusion 27 for engaging the connector housing 2 with the fixing member 26 is provided in a cantilever manner.

FIG. 1 shows a state before the capacitor 4, the resistor 5, the holding member 14, and the three male terminal fittings 3 are assembled. These six members are connected to each other and mounted from the component insertion opening 7A side of the connector housing 2. Two lead wires 4A and 5A extend from the capacitor 4 and the resistor 5, respectively, and are connected to the male terminal fitting 3. At this time, the four lead wires 4A and 5A
The two central lead wires 4A and 5A are collectively connected to one male terminal fitting 3, and the other two are connected to one male terminal fitting 3 respectively.

The male terminal fitting 3 is formed by stamping a conductive metal plate and can be connected to the female terminal fitting 6. A tab 3B is formed on the tip side of the male terminal fitting 3 (on the side where the female terminal fitting 6 is joined) for fitting with the connecting portion 6A, and a metal lance for retaining is provided behind the tab 3B. 25
Has been cut and raised. A pair of positioning pieces 3C are formed on the left and right of the central portion, and a pair of left and right holding pieces 3A are similarly formed behind the positioning pieces 3C. Incidentally, the length required for the tab portion 3B is obtained by adding the thickness of the holding member 14 and the partition wall 9 to the connection margin of the male and female terminal fittings 3, 6. On the other hand, as shown in FIG.
At 0, the gap D between the connector housings must be considered in addition to this. In the present embodiment, since the connector housing of the female terminal fitting is eliminated, the length of the tab portion 3B can be reduced by the gap D.

The holding member 14 is integrally formed of a synthetic resin material. A locking portion 15 is formed in a hollow shape on a front side (a side close to the female terminal fitting 6), and a terminal mounting portion is formed on a rear side. 22 are formed. A pair of claw pieces 16 project inward from the left and right wall surfaces of the locking portion 15, and engage with locking holes 17 formed in the partition wall 9 to prevent the holding member 14 from being pulled out of the connector housing 2. I do. The cross section of the locking portion 15 is formed in a rectangular shape in accordance with the cross-sectional shape of the component storage chamber 7, and a terminal mounting portion 22 projects rearward (to the left in FIG. 1) on the upper side thereof. . The terminal mounting portion 22 is provided with three terminal mounting holes 23 that open frontward and rearward in a horizontal row. The rear side of the terminal mounting portion 23 is a large opening terminal insertion opening 23A, and the front side is a smaller opening. Terminal protrusion 23B. The terminal protrusion 23B is provided so as to open only in the upper half of the terminal mounting hole 23, and the terminal engagement wall 24 is protruded from the lower half. On the terminal engagement wall 24,
The positioning piece 3 </ b> C of the male terminal fitting 3 comes into contact. A projection 19 projects inward from the upper wall surface forming the terminal mounting hole 23, and engages with the metal lance 25 of the male terminal fitting 3 to hold it in place.

In order to assemble the four types of six members 3, 4, 5, and 14 configured as described above, first, the capacitor 4 and the resistor 5 are connected to the male terminal fitting 3. Capacitor 4
By placing the lead wires 4A, 5A of the resistor 5 at predetermined positions of the three male terminal fittings 3, caulking the holding pieces 3A, and soldering this portion, these members 3, 4 , 5 are made. Next, among these connected members 3, 4, and 5, the male terminal fitting 3 and the holding member 14 are assembled. The tab portion 3B of the male terminal fitting 3 is inserted into the terminal mounting hole 23 from the terminal insertion opening 23A, and the terminal protrusion 23
Project from B side. Positioning piece 3C of male terminal fitting 3
The male terminal fitting 3 is pushed in until it contacts the terminal engaging wall 24. At this time, the lower surface of the holding piece 3A of the male terminal fitting 3 is in contact with the lower wall surface of the terminal mounting hole 23, and the metal lance 25 is engaged with the projection 19 to prevent it from being removed. Thus, the assembly of the male terminal fitting 3 and the holding member 14 is completed. For the sake of convenience of description, a member obtained by assembling the above-described six members 3, 4, 5, and 14 is referred to as a mounting member 20.

Next, the operation and effects of the first embodiment configured as described above will be described. First, the mounting member 2
0 is stored in the component storage chamber 7. As shown in FIGS. 3 and 4, the mounting member 20 is pushed into the component insertion opening 7A from the tab portion 3B side of the male terminal fitting 3. When the tab portion 3B is inserted into the terminal insertion hole 7B and further pressed, the holding member 14
Of the locking portion 15 while the claw piece 16 of the
Enters the holding member insertion space 18. When the claw piece 16 is fitted into the locking hole 17 of the partition wall 9, the locking portion 15 is deformed to return, and the mounting member 20 is held in a retaining state. In this state, the molding resin 21 (epoxy resin, thermoplastic resin, or the like) is poured from the component insertion opening 7A, filled in the component storage chamber 7, and cured. In this manner, when the mounting member 20 is fixedly mounted in the component storage chamber 7, the capacitor 4 and the resistor 5 are held in the component storage chamber 7 by the filler, and the tab portion 3B of the male terminal fitting 3 is in the terminal storage chamber. 8 while being held.

Next, the female terminal fitting 6 is mounted from the female terminal insertion opening 8A side. When the female terminal fitting 6 is pushed into the terminal accommodating chamber 8 from the distal end side, the female terminal fitting 6 is inserted with the insertion.
The lower wall surface causes the lance 10 to bend and deform downward. When the lance 10 reaches the lance engaging portion 13, the lance 1
0 is deformed by return and engages with the lance engaging portion 13, and the female terminal fitting 6 is held in the terminal accommodating chamber 8 in a retaining state. At this time, at the tip of the female terminal fitting 6,
The tab portion 3B of the male terminal fitting 3 is connected. After the assembly of the electronic component built-in connector 1 is completed, the fixing projection 27 is connected to the fixing member 26 (FIG. 6).
See).

As described above, according to the first embodiment, the capacitor 4 and the resistor 5, which are electronic components, the male terminal fitting 3 and the female terminal fitting 6 are provided in one connector housing 2, so that the conventional It is not necessary to separately provide a connector housing as in the above, and the number of parts can be reduced. In addition, since the number of the connector housings 2 is one, the distance for passing the two connector housings as in the related art is not required, so that the tab portion 3B of the male terminal fitting 3 can be shortened. Further, the holding member 14 and the connector housing 2 are locked at the partition wall 9 inside the connector housing 2. Therefore, the connector housing 2
It is not necessary to provide a through-hole in the outer wall surface of the connector housing to form an engaging portion, and the waterproof property of the connector housing 2 is improved.

<Second Embodiment> Next, a second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and a part of the description is omitted. In the present embodiment, the locking rib 15 of the holding member 30 is provided with a sealing rib 31 projecting over the entire circumference. The sealing rib 31 has an isosceles triangular cross section. When the holding member 30 is pushed into the component storage chamber 7, the distal end portion of the sealing rib 31 is pressed into the peripheral wall surface 32.

The second embodiment configured as described above has the same operation and effect as the first embodiment. Further, the present embodiment has the following operation and effects. The holding member 30 includes a capacitor 4, a resistor 5, and a male terminal fitting 3.
And press-fit it into the component storage chamber 7 to mount it.
Then, in accordance with the mounting operation, the distal end portion of the sealing rib 31 is pushed in while being deformed to be in contact with the peripheral wall surface 32 forming the component storage chamber 7, and the sealing rib 31 and the holding member 30 are pressed. And fill the gap. This prevents the molding resin 21 from leaking from the component storage chamber 7 to the terminal storage chamber 8 during the molding operation.

The present invention is not limited to the above-described embodiment. For example, the followings are also included in the technical scope of the present invention. (1) As the electronic component, a diode or the like can be used in addition to the capacitor and the resistor of the present embodiment. (2) In the present embodiment, the relationship between the male and female terminal fittings and the male terminal fittings may be reversed. That is, the female terminal fitting may be connected to the electronic component, and the male terminal fitting may be connected to the electric wire. (3) In the present embodiment, the lance as the terminal locking portion of the present invention is provided on the connector housing side, and the terminal fitting is provided with the lance engaging portion. As the terminal locking portion, a lance engaging portion may be provided on the connector housing side to engage a metal lance formed on the terminal fitting side.

[Brief description of the drawings]

FIG. 1 is a front sectional view of a mounting member and a connector housing before assembly according to a first embodiment.

FIG. 2 is a side sectional view of a mounting member and a connector housing before assembly.

FIG. 3 is a front sectional view of the electronic component built-in connector before assembly.

FIG. 4 is a side sectional view of the electronic component built-in connector before assembly.

FIG. 5 is a front sectional view of the electronic component built-in connector after assembly.

FIG. 6 is a side sectional view of the electronic component built-in connector after assembly.

FIG. 7 is a front sectional view of a mounting member before assembly according to a second embodiment.

FIG. 8 is a side sectional view of the mounting member before assembly.

FIG. 9 is a partially enlarged view of a peripheral rib.

FIG. 10 is a front sectional view of the electronic component built-in connector after assembly.

FIG. 11 is a side sectional view of the electronic component built-in connector after assembly.

FIG. 12 is a partially enlarged view showing a state of peripheral ribs in the electronic component built-in connector after assembly.

FIG. 13 is a front view of a connector with a built-in electronic component before assembly in a conventional example.

FIG. 14 is a partial cross-sectional front view of the electronic component built-in connector before fitting in the same example.

FIG. 15 is a side sectional view of the electronic component built-in connector before fitting in the same example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Connector with built-in electronic components 2 ... Connector housing 3 ... Terminal fitting 4 ... Capacitor (electronic component) 5 ... Resistance (electronic component) 6 ... Female terminal fitting (external terminal fitting) 7 ... Component accommodation room 8 ... Terminal accommodation room ( 9) Partition wall (surrounding wall) 10 ... Lance (terminal locking part) 14 ... Holding member 17 ... Locking hole (locking part) 21 ... Molding resin 31 ... Sealing rib 32 ... Peripheral wall surface ( Enclosure)

Claims (3)

[Claims] 1. A connector housing having a component housing chamber for housing an electronic component and an external terminal housing chamber into which an external terminal fitting to be connected can be inserted, and a connector housing provided in the connector housing and inserted into the external terminal housing chamber. A terminal fitting connected to the external terminal fitting, a terminal locking portion provided in the external terminal fitting accommodating chamber to engage with the inserted external terminal fitting to prevent the external terminal fitting from coming off, and a component of the connector housing. An electronic component built-in connector comprising: an electronic component housed in the housing chamber and connected to the terminal fitting. 2. The terminal fitting is supported by a holding member provided in the connector housing, and the holding member is housed in a component housing chamber of the connector housing so that the terminal fitting protrudes into the terminal housing chamber. And
2. The built-in electronic component according to claim 1, wherein the holding member is locked by a locking portion provided in an enclosing wall constituting the terminal housing, and the component housing is filled with a molding resin. connector. 3. The electronic component built-in connector according to claim 2, wherein a sealing rib is provided on an outer periphery of said holding member to be press-fitted into a surrounding wall of said component accommodating chamber.