JP2000067980A - Connector with secondary lock member and housing assembly for use in the connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector which is fitted with a secondary lock member, can make provisional lock of the secondary lock member certainly, can prevent misfitting to another connector as the mating party, and allows low-cost manufacturing of a die for forming the housing. SOLUTION: A connector 1 fitted with a secondary lock member is equipped with an insulating housing 10 to accommodate contacts and generating primary lock wherein the secondary lock member 30 is to lock the contacts secondarily. The housing 10 is furnished at its side face 17 with a groove 18 which admits insertion of a projection on another connector as the mating party, is formed in the fitting direction of the mating connector from the front surface 13 of the housing 10, and is furnished with a provisionally lock hole 19 where the provisional lock part 37 of the secondary lock member 30 is engaged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector with a secondary locking member having a secondary locking member for secondary locking of a contact, and a housing assembly used for the connector.

[0002]

2. Description of the Related Art As a conventional connector with a secondary locking member of this type, for example, a connector shown in FIG. 5 is known (see Japanese Patent No. 2627357).

[0003] The connector 100 with a secondary locking member accommodates a plurality of contacts 110 having a contact portion 111 with a mating contact (not shown) and an electric wire connection portion 112. It comprises an insulating housing 120 for stopping, and a secondary locking member 130 for secondary locking the contact 110.

[0004] The housing 120 is formed by molding an insulating resin, and includes a plurality of contact accommodating passages 121 accommodating a plurality of contacts 110.
And an opening 122 for accommodating the secondary locking member 130, and each contact 1
An elastic lance 123 for temporarily locking the projection 10 is formed so as to protrude. The housing 120 is formed by molding by two-direction pulling along a mating direction with a mating connector (not shown) and slide pulling orthogonal to the fitting direction.
A pair of projections 125 for temporarily locking the secondary locking member 130 are formed on the inner surfaces of both side walls 124 of the housing 120 and corresponding to the openings 122.
Further, a pair of fitting guide grooves 126 into which guide members of a mating connector (not shown) are inserted are formed on the outer surfaces of both side walls 124 of the housing 120 (FIG. 5A).
From the left side) in the fitting direction of the mating connector.

The secondary locking member 130 is housed in the opening 122 of the housing 120 and
Is temporarily inserted into the housing 120 (FIG. 5).
(See FIG. 5B) and a final locking position for locking the contact 110 secondarily (see FIG. 5C). The secondary locking member 130 is a substantially rectangular parallelepiped member extending in a direction crossing the housing 120, and has a pair of temporary locking projections 131 formed on both side surfaces so as to protrude, and a pair of temporary locking protrusions 131 on the rear surface.
A pair of final locking projections 132 are formed so as to protrude. And
In the temporary locking position shown in FIG.
The projections 131 for temporary locking are projections 1 on the housing 120.
25, the downward movement of the secondary locking member 130 is restricted, and the final locking projections 132 of the secondary locking member 130 are connected to the bottom wall 127 of the lowermost row of the contact accommodating passages 121. And the upward movement of the secondary locking member 130 is restricted. 5C, the upper end surface of the secondary locking member 130 contacts the bottom of the opening 122 of the housing 120 (the upper end in FIG. 2), and The upward movement is restricted, and the final locking projection 132 of the secondary locking member 130 is engaged with the upper surface of the bottom wall 127 of the lowermost row of the contact receiving passages 121 so as to be below the secondary locking member 130. Movement to is regulated.

[0006]

However, in this conventional connector 100 with a secondary locking member, the temporary locking of the secondary locking member 130 can be reliably performed, and the fitting guide groove 126 is provided.
Although the mating connector can be guided at the time of fitting, a pair of projections 125 for temporarily locking the secondary locking member 130 are formed on both side walls 124 of the housing 120.
And a pair of fitting guide grooves 126 formed on the outer surfaces of both side walls 124 of the housing 120 and into which a guide member of a mating connector is inserted. It is located in an unrelated position. For this reason, when the housing 120 is formed by forming by two-way punching and sliding punching, the protrusion 1
There is a problem that the shape of a mold for forming the fitting guide groove 126 and the fitting guide groove 126 is complicated, and the cost of manufacturing the mold for forming the housing 120 is high.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a mold for forming a housing, in which a temporary locking of a secondary locking member can be reliably performed, guide of a mating connector and erroneous fitting with a mating connector can be prevented. It is an object of the present invention to provide a connector with a secondary locking member at a low manufacturing cost and a housing assembly used for the connector.

[0008]

A connector with a secondary locking member according to the present invention comprises a contact having a contact portion with a mating contact, and an insulating housing for accommodating and temporarily locking the contact. And a secondary locking member for secondary locking the contact, wherein the secondary locking member comprises:
A connector with a secondary locking member adapted to move between a temporary locking position in which the contact can be inserted into the housing and a full locking position for secondary locking the contact, A groove into which the protrusion of the mating connector is inserted is formed along the fitting direction of the mating connector from the front surface of the housing on the side surface of the housing, and the temporary locking portion of the secondary locking member is engaged with the groove. It is characterized in that provisional locking holes are formed.

The connector with a secondary locking member according to the present invention comprises: a contact having a contact portion with a mating contact;
An insulating housing for accommodating and temporarily locking the contact;
A secondary locking member, wherein the secondary locking member moves between a temporary locking position where the contact can be inserted into the housing and a full locking position where the contact is locked secondarily. In the connector with a secondary locking member adapted to move, a groove into which a projection of a mating connector is inserted is formed on a side surface of the housing along a fitting direction of the mating connector from a front surface of the housing. The main locking hole is formed in the groove so that the main locking portion of the secondary locking member is engaged.

A housing assembly according to the present invention includes an insulating housing for receiving and temporarily locking a contact, and a secondary locking member for secondarily locking the contact. A housing set in which a secondary locking member moves between a temporary locking position where the contact can be inserted into the housing and a full locking position where the contact is locked secondarily. In a three-dimensional configuration, a groove into which a protrusion of a mating connector is inserted is formed along a fitting direction of the mating connector from a front surface of the housing on a side surface of the housing, and the secondary locking member is temporarily locked in the groove. It is characterized in that a provisional locking hole with which the portion engages is formed.

The housing assembly according to the present invention includes an insulating housing for receiving and temporarily locking the contacts, and a secondary locking member for secondary locking the contacts. The secondary locking member moves between a temporary locking position where the contact can be inserted into the housing and a full locking position where the contact is locked secondarily. In the housing assembly, a groove into which a protrusion of a mating connector is inserted is formed in a side surface of the housing along a fitting direction of the mating connector from a front surface of the housing, and the groove of the secondary locking member is formed in the groove. It is characterized in that a final locking hole with which the locking portion is engaged is formed.

[0012]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a connector with a secondary locking member of the present invention and a part of a mating connector fitted with the connector with a secondary locking member. However, in FIG. 1, the contacts are omitted. FIG. 2 is an exploded perspective view of a housing assembly used for the connector with a secondary locking member of FIG. 3A and 3B show the connector with the secondary locking member of FIG. 1 when the secondary locking member is located at the temporary locking position, wherein FIG. 3A is a cross-sectional view and FIG. 4A and 4B show the connector with the secondary locking member of FIG. 1 when the secondary locking member is located at the final locking position, wherein FIG. 4A is a cross-sectional view and FIG.

1 to 4, a connector 1 with a secondary locking member has a plurality of contacts 20 having a contact portion 21 that contacts a mating contact 60 of a mating connector 40 and a wire connecting portion 22 that is connected to an electric wire 70. An insulating housing 10 for accommodating and temporarily locking the contacts 20, and a second locking for the contacts 20
And a next locking member 30. The housing 10 and the secondary locking member 30 constitute the housing assembly 80 of the present invention. Here, the mating connector 40 has a mating housing 50 having a plurality of connector receiving recesses 51 extending in the longitudinal direction and receiving the connector 1 with the secondary locking member;
It includes a plurality of mating contacts 60 attached to the mating housing 50. Then, the mating housing 50
A pair of protrusions 53 are formed on both side walls 52 of the connector receiving recess 51 so as to protrude inward. The mating contact 60 faces the inside of the connector receiving recess 51.
It has a pin-shaped contact portion 61 that contacts the contact 20 of the connector 1 with a secondary locking member, and a board connecting portion 62 that extends outside the mating housing 50 and is connected to a circuit board (not shown). . In this embodiment, the contact 2
Numeral 0 is a receptacle type for receiving the pin-shaped contact portion 61 of the mating contact 60, but may be a tab-shaped or pin-shaped. In this case, the mating contact 60 is a receptacle type (or female type) contact.

Housing 1 of connector 1 with secondary locking member
0 indicates the front surface 1 by molding an insulating resin material.
3, formed in a substantially rectangular parallelepiped shape having a rear surface 14, an upper surface 15, a lower surface 16, and both side surfaces 17; a plurality of contact housing passages 11 formed therein; And an opening 12 for a secondary locking member. The housing 10 is formed by molding in two directions along a fitting direction with the mating connector 40 and sliding in a direction perpendicular to the fitting direction. As shown in FIGS. 3 and 4, each contact accommodating passage 11 is formed with a step 11 a for locking a contact lance 23 formed on the contact 20, and each contact 20 is separated from the rear surface 14 of the housing 10. When the contact lance 23 is inserted and the contact lance 23 is locked to the step 11a, it is primarily locked to the housing 10. Although not shown, a housing lance projecting from the housing 10 may be provided in each contact accommodating passage 11, and the contact may be primarily locked by the housing lance. Reference numeral 10a shown in FIGS. 1 to 4 denotes a lock member provided on the connector 1 with the secondary locking member. The locking member 10a fits the connector 1 with the secondary locking member into the mating connector 40. When they are mated, they elastically bend and engage with the mating connector 40, thereby preventing the connector 1 with the secondary locking member from being detached from the mating connector 40.

A pair of grooves 18 into which the projections 53 of the mating connector 40 are inserted at the time of mating with the mating connector 40 are formed on both side surfaces 17 of the housing 10 from the front surface 13 of the housing 10. It is formed along the direction. At a rear portion of the groove 18 corresponding to the opening 12 for the secondary locking member, a temporary locking projection 37 of the secondary locking member 30 described later is provided.
Are formed so as to penetrate the opening 12 for the secondary locking member. These temporary locking holes 19 are formed when the groove 18 is formed by forming in two directions along the fitting direction of the mating connector 40.
Is formed at the same time as the groove 18 by a mold for forming Therefore, the shape of the mold for forming the temporary locking holes 19 and the grooves 18 is simple, and the manufacturing cost of the mold for forming the housing 10 can be reduced. The groove 18
The temporary locking projections 37 of the secondary locking member 30 are engaged with the temporary locking holes 19 formed in the secondary locking member 30. In the case of a final locking projection for final locking, the final locking opening is a final locking opening with which the final locking projection engages. In this case, the final locking projection can be easily disengaged from the final locking opening, and the secondary locking member 30 can be easily removed from the housing 10.

The secondary locking member 30 is formed in a substantially rectangular parallelepiped shape having a front surface 31, a rear surface 32, an upper surface 33, a lower surface 34, and both side surfaces 35 by molding an insulating resin.
It has a plurality of contact through holes 36 formed to penetrate the front surface 31 and the rear surface 32. A pair of temporary locking projections 37 are formed on both side surfaces 35 of the secondary locking member 30 so as to protrude, and a pair of main locking projections 38 are formed on the rear surface 32 so as to protrude.

The secondary locking member 30 is connected to the housing 10
A temporary locking position in which the contact 20 is received in the opening 12 for the next locking member from the lower surface 16 of the housing 10 and the contact 20 can be inserted into the contact receiving passage 11 of the housing 10 (see FIG. 3).
And a final locking position (see FIG. 4) for secondarily locking the contact 20.

When the secondary locking member 20 is in the temporary locking position, as shown in FIG. 3, the temporary locking projection 37 of the secondary locking member 30 faces upward in the temporary locking hole 19 of the housing 10. By engaging with the lower edge surface 19a, the downward movement of the secondary locking member 30 is regulated, and the main locking projection 3 of the secondary locking member 30 is formed.
8 engages with the lower surface 16 of the housing 10 to restrict the upward movement of the secondary locking member 30. For this reason, the temporary locking of the secondary locking member 30 can be reliably performed. At this time, the contact through-hole 36 of the secondary locking member 30 and the contact accommodating passage 11 of the housing 10 are aligned.
Since the contact through hole 36 and the contact accommodation passage 11 are aligned, the contact 20 can be inserted into the contact accommodation passage 11 from the rear surface 14 of the housing 10.

When the secondary locking member 30 is pushed upward from the temporary locking position shown in FIG. 3, the final locking projection 38 of the secondary locking member 30 rides over the lower wall 16a of the contact accommodating passage 11 and is moved to the position shown in FIG.
To the final locking position shown in FIG. In this full locking position, a plurality of partitions 33a projecting from the upper surface 33 of the secondary locking member 30
The upper locking movement of the secondary locking member 30 is restricted by contacting the bottom surface 12 a of the second locking member 30, and the bottom locking wall 38 of the contact housing passage 11 in the lowermost row
The downward movement of the secondary locking member 30 is restricted by engaging with the upper surface of a. For this reason, the final locking of the secondary locking member 30 can be reliably performed. At this time, the front surface 31 of the secondary locking member 30 engages with the contact 20 accommodated in the contact accommodating passage 11 to secondarily lock the contact 20.

When the connector 1 with the secondary locking member in which the contact 20 is secondary locked is accommodated in the connector receiving recess 51 of the mating connector 40 shown in FIG.
0 is inserted into the pair of grooves 18 of the connector 1 with the secondary locking member, so that the connector 1 with the secondary locking member
Erroneous insertion, such as incorrect insertion of the connector 1 to be inserted in the adjacent similar and different type connector receiving recesses 51, is prevented. Then, at the time of such accommodation, the protrusion 53 is guided along the upper and lower walls 18a, 18b of the groove 18, and the mating connector 40
Can also be provided. When the connector 1 with the secondary locking member and the mating connector 40 are fitted, the contact 20 of the connector 1 with the secondary locking member comes into contact with the mating contact 60 of the mating connector 40, and the electric wire 70 connected to the contact 20 The circuit board connected to the mating contact 60 is electrically connected.

[0021]

According to the connector with the secondary locking member according to the first aspect, the groove into which the protrusion of the mating connector is inserted into the side surface of the housing is formed along the fitting direction of the mating connector from the front surface of the housing. In addition to forming the temporary locking hole in which the temporary locking portion of the secondary locking member engages in the groove,
The temporary locking of the next locking member can be reliably performed, guide of the mating connector and erroneous fitting with the mating connector can be prevented, and the groove for the temporary locking has a groove extending along the mating direction with the mating connector.
When forming by forming by direction punching, a mold for forming the groove can be formed simultaneously with the groove, so that the mold for forming the temporary locking hole and the groove is simple, and a mold for forming the housing. Can be manufactured at a low cost.

According to the connector with the secondary locking member according to the second aspect, the groove into which the protrusion of the mating connector is inserted is formed on the side surface of the housing along the fitting direction of the mating connector from the front surface of the housing. At the same time, since the main locking hole in which the main locking portion of the secondary locking member is engaged is formed in the groove, the shape of the mold for forming the main locking hole and the groove is simple and the housing is formed. The manufacturing cost of the mold for performing the locking can be reduced, and the final locking portion of the secondary locking member engaged with the full locking hole can be easily disengaged from the full locking hole. can do.

According to the housing assembly of the third aspect, a groove into which the protrusion of the mating connector is inserted is formed on the side surface of the housing along the fitting direction of the mating connector from the front surface of the housing. The provisional locking hole in which the temporary locking portion of the secondary locking member engages is formed, so that the temporary locking of the secondary locking member can be reliably performed, and the guide of the mating connector and the error with the mating connector are mistaken. Fitting can be prevented, and the temporary locking hole can be formed at the same time as the groove with a mold that forms the groove when the groove is formed by molding in two directions along the mating direction with the mating connector. The shape of the mold for forming the temporary locking holes and the grooves is simple, and the manufacturing cost of the mold for forming the housing can be reduced.

According to the housing assembly of the fourth aspect, a groove into which the projection of the mating connector is inserted is formed on the side surface of the housing along the fitting direction of the mating connector from the front surface of the housing. Since the final locking hole in which the final locking portion of the secondary locking member is engaged is formed, the shape of the mold for forming the final locking hole and the groove is simple, and the metal for forming the housing is formed. The manufacturing cost of the mold can be reduced, and the main locking portion of the secondary locking member engaged with the main locking hole can be easily disengaged from the main locking hole. .

[Brief description of the drawings]

FIG. 1 is a perspective view of a connector with a secondary locking member of the present invention and a part of a mating connector fitted with the connector with a secondary locking member.

FIG. 2 is an exploded perspective view of a housing assembly used for the connector with a secondary locking member of FIG. 1;

FIG. 3 shows the connector with a secondary locking member of FIG. 1 when the secondary locking member is located at a temporary locking position, where (A) is a cross-sectional view,
(B) is a longitudinal sectional view.

FIG. 4 shows the connector with a secondary locking member of FIG. 1 when the secondary locking member is located at a full locking position, (A) is a cross-sectional view,
(B) is a longitudinal sectional view.

FIG. 5 shows a conventional connector with a secondary locking member, and (A)
Is an exploded perspective view of the housing and the secondary locking member, and FIG.
Longitudinal sectional view when the next locking member is located at the temporary locking position,
(C) is a longitudinal sectional view when the secondary locking member is located at the main locking position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector with secondary locking member 10 Housing 13 Front surface 17 Side surface 18 Groove 19 Temporary locking hole 20 Contact 21 Contact part 30 Secondary locking member 37 Temporary locking projection (temporary locking portion) 40 Mating connector 53 Projection 60 Mating contact 80 Housing assembly

Claims (4)

[Claims] 1. A contact having a contact portion with a counterpart contact, an insulating housing for accommodating and temporarily locking the contact, and a secondary locking member for secondary locking the contact. So that the secondary locking member moves between a temporary locking position where the contact can be inserted into the housing and a full locking position where the contact is secondarily locked. In the connector with a secondary locking member, a groove for inserting a projection of a mating connector is formed on a side surface of the housing along a fitting direction of the mating connector from a front surface of the housing, and the groove is formed in the groove. A connector with a secondary locking member, wherein a temporary locking hole is formed in which the temporary locking portion of the secondary locking member is engaged. 2. A contact having a contact portion with a counterpart contact, an insulating housing for accommodating and temporarily locking the contact, and a secondary locking member for secondary locking the contact. So that the secondary locking member moves between a temporary locking position where the contact can be inserted into the housing and a full locking position where the contact is secondarily locked. In the connector with a secondary locking member, a groove for inserting a projection of a mating connector is formed on a side surface of the housing along a fitting direction of the mating connector from a front surface of the housing, and the groove is formed in the groove. A connector with a secondary locking member, wherein a final locking hole is formed in which the final locking portion of the secondary locking member is engaged. 3. An insulative housing for accommodating and temporarily locking the contact, and a secondary locking member for secondarily locking the contact, wherein the secondary locking member is
A housing assembly adapted to move between a temporary locking position where the contact can be inserted into the housing and a full locking position for secondary locking the contact, A groove into which the projection of the mating connector is inserted from the front surface of the housing along the mating direction of the mating connector, and a temporary engaging portion of the secondary engaging member is engaged with the groove. A housing assembly having a stop hole formed therein. 4. An insulative housing for receiving and temporarily locking the contacts, and a secondary locking member for secondary locking the contacts, wherein the secondary locking member is
A housing assembly adapted to move between a temporary locking position where the contact can be inserted into the housing and a full locking position for secondary locking the contact, A groove into which the protrusion of the mating connector is inserted is formed along the mating direction of the mating connector from the front surface of the housing, and the main locking portion of the secondary locking member engages with the groove. A housing assembly having a stop hole formed therein.