WO2022091774A1

WO2022091774A1 - Connector

Info

Publication number: WO2022091774A1
Application number: PCT/JP2021/037760
Authority: WO
Inventors: 新史野崎
Original assignee: 株式会社オートネットワーク技術研究所; 住友電装株式会社; 住友電気工業株式会社
Priority date: 2020-11-02
Filing date: 2021-10-12
Publication date: 2022-05-05
Also published as: JP7417204B2; JP2022073427A; CN116368694A

Abstract

Provided is a connector comprising a retainer which can exhibit a sufficient front stopping function.　This connector (1) comprises: a housing (26) which has a plurality of terminal accommodation chambers (21) into which a front end of a female-side terminal fitting (10) is capable of being inserted, and which prevents the female-side terminal fitting (10) inside the terminal accommodation chambers (21) from slipping out by the locking of a lance (22); and a retainer (40) which is displaced between a temporary locking position and a main locking position, wherein the retainer (40) has a front wall part (40D) which front stops the female-side terminal fitting (10) and has formed therein tab insertion holes (44) into which tabs are inserted and a jig insertion hole (45) into which a jig is inserted, the jig insertion hole (45) is disposed at a position separated with respect to the tab insertion holes (44) in a direction intersecting the movement direction of the retainer (40), and when the retainer (40) is in the temporary locking position, a site between adjacent tab insertion holes (44) of the front wall part (40D) opposes the front surface of the female-side terminal fitting (10).

Description

connector

This disclosure relates to connectors.

Patent Document 1 discloses a connector provided with a retainer that is attached to a housing and moves from a temporary locking position to a main locking position. The retainer has a front mask. The retainer in the temporary locking position allows the terminal fitting to be inserted and removed from the housing, and holds the terminal fitting inserted in the housing in the front stop state by the front mask. The retainer holds the terminal fitting in the front stop state while moving from the temporary locking position to the main locking position. The retainer removes and holds the terminal fitting by moving to the main locking position.

Japanese Unexamined Patent Publication No. 2009-193853

In Patent Document 1, the terminal fitting inserted in the housing is removed by the primary locking of the lance. The front mask is formed with a tab insertion hole for inserting a tab of a male terminal to which a terminal fitting is connected, and a jig insertion hole for inserting a jig for releasing the primary locking by a lance. .. The jig insertion hole and the tab insertion hole are arranged in a direction parallel to the moving direction between the temporary locking position and the main locking position of the retainer. Therefore, in Patent Document 1, it is considered difficult to fully exert the function of the front stop of the terminal in the front mask when the retainer is in the temporary locking position.

The present disclosure has been completed based on the above circumstances, and an object of the present disclosure is to provide a connector having a retainer capable of fully exerting the front stop function.

The connectors of this disclosure are
A housing that has a plurality of terminal accommodating chambers into which terminal fittings can be inserted from the front end of the terminal fittings, and the terminal fittings in the terminal accommodating chamber are prevented from coming off by locking the primary locking portion.
The terminal fitting is pulled out by locking the terminal fitting attached to the housing and allowing the terminal fitting to be inserted into the terminal accommodating chamber and the terminal fitting inserted to the normal position in the terminal accommodating chamber. Equipped with a main locking position to stop and a retainer that can be displaced between
The retainer has a tab insertion hole for inserting a tab inserted into the terminal fitting and a jig insertion hole for inserting a jig for releasing the locking of the primary locking portion, with the terminal fitting as a front stop. Has a front wall that has been
The jig insertion hole is arranged at a position separated from the tab insertion hole in a direction intersecting the moving direction of the retainer.
When the retainer is in the temporary locking position, a portion of the front wall portion between adjacent tab insertion holes faces the front surface of the terminal fitting.

According to this disclosure, the function of the front stop can be fully exerted.

FIG. 1 is a perspective view showing the connector of the first embodiment in an exploded manner. FIG. 2 is a front view of the connector housing of the first embodiment. FIG. 3 is a cross-sectional view taken along the line AA in FIG. FIG. 4 is a cross-sectional view taken along the line BB in FIG. FIG. 5 is a side sectional view of the female terminal fitting of the first embodiment. FIG. 6 is a front view of the retainer of the first embodiment. FIG. 7 is a plan view of the retainer of the first embodiment. FIG. 8 is a sectional view taken along the line CC in FIG. FIG. 9 is a front view of the connector of the first embodiment, showing a state in which the retainer is held in the temporary locking position. FIG. 10 is a cross-sectional view taken along the line DD in FIG. FIG. 11 is a cross-sectional view taken along the line EE in FIG. FIG. 12 is a cross-sectional view taken along the line FF in FIG. FIG. 13 is a cross-sectional view taken along the line GG in FIG. 9, showing a state in which the female terminal fitting is inserted at a normal position with respect to the terminal accommodating chamber. FIG. 14 is an enlarged cross-sectional view of a main part corresponding to the EE cross section in FIG. The surrounding area is enlarged and shown. FIG. 15 is a front view of the connector of the first embodiment, showing a state in which the retainer is held in the main locking position. FIG. 16 is a sectional view taken along the line HH in FIG. FIG. 17 is a cross-sectional view taken along the line JJ in FIG. FIG. 18 is a cross-sectional view taken along the line KK in FIG. FIG. 19 is a cross-sectional view taken along the line LL in FIG. FIG. 20 is a cross-sectional view corresponding to the LL cross section in FIG. 15, and shows a state in which the female terminal fitting is held behind the normal position with respect to the terminal accommodating chamber.

[Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
The connectors of this disclosure are
(1) A housing that has a plurality of terminal accommodating chambers into which terminal fittings can be inserted from the front end of the terminal fittings, and the terminal fittings in the terminal accommodating chamber are prevented from coming off by locking the primary locking portion, and is attached to the housing. The temporary locking position that allows the terminal fitting to be inserted into the terminal storage chamber, and the main locking position that locks the terminal fitting to the terminal fitting that has been inserted to the regular position in the terminal housing chamber and disconnects the terminal fitting. Equipped with a retainer that can be displaced between the retainers, the retainer stops the terminal fitting in front, inserts a tab insertion hole for inserting a tab to be inserted into the terminal fitting, and inserts a jig for unlocking the primary locking portion. It has a front wall portion on which a jig insertion hole is formed, and the jig insertion hole is arranged at a position separated from the tab insertion hole in a direction intersecting the moving direction of the retainer, and the retainer is in a temporary locking position. Occasionally, the portion of the front wall between adjacent tab insertion holes faces the front of the terminal fitting. According to this configuration, when the retainer is in the temporary locking position, the part between the tab insertion holes faces the front surface of the terminal fitting, so that the front wall portion fully exerts the function of stopping the terminal fitting in front. can do.

(2) It is preferable that the terminal fitting of the connector of the present disclosure has a detected portion facing the jig insertion hole when the retainer is in the temporary locking position. According to this configuration, it is determined whether or not the terminal fitting is inserted to the normal position by inserting a continuity inspection piece that contacts the detected portion of the terminal fitting and conducts with the terminal fitting through the jig insertion hole. be able to.

(3) In the connector of the present disclosure, when the retainer is in the main locking position, the jig insertion hole is preferably closed by a partition wall separating adjacent terminal accommodating chambers. According to this configuration, it is possible to prevent the terminal fittings from being exposed from a portion other than the tab insertion hole and reduce the chance that the terminal fittings are inadvertently connected to each other.

(4) The terminal fitting of the connector of the present disclosure has a curved surface that is continuous with the front surface of the terminal fitting and is curved in a direction away from the front wall portion, and the curved surface faces the jig insertion hole when the retainer is in the temporary locking position. It is preferable that they are arranged in such a manner. According to this configuration, it is possible to prevent the jig from hitting the terminal fitting due to the curved surface and promote smooth insertion of the jig.

[Details of Embodiments of the present disclosure]
[Embodiment 1]
Hereinafter, Embodiment 1 embodying the present disclosure will be described with reference to FIGS. 1 to 20. In the following description, regarding the front-back direction, the front side in FIG. 2 is defined as the front side, and the back side is defined as the rear side. As for the vertical direction, the direction shown in FIG. 2 is defined as upward and downward as it is. Regarding the left and right directions, the directions appearing in FIG. 2 are defined as right and left as they are.

As shown in FIG. 1, the connector 1 of the embodiment includes a connector housing 20, a female terminal fitting 10 which is a terminal fitting, and a retainer 40.

[Connector housing configuration]
The connector housing 20 is made of synthetic resin. As shown in FIGS. 2 to 4, the connector housing 20 has a housing 26, a plurality of terminal accommodating chambers 21, a lance 22, which is a primary locking portion, a retainer insertion hole 23, and a hood 25. The housing 26 is formed in a block shape.

The plurality of terminal accommodating chambers 21 are formed in the housing 26 so as to extend in the front-rear direction. The terminal accommodating chambers 21 are formed in two stages vertically and vertically, and a plurality of terminal accommodating chambers 21 are arranged side by side in the left-right direction. The rear portion of each terminal accommodating chamber 21 has a cylindrical shape, and functions as a sealing surface when a rubber stopper R attached to the tip end portion of the electric wire W, which will be described later, is inserted. The female terminal fitting 10 can be inserted into each terminal accommodating chamber 21 from the rear and accommodated.

As shown in FIG. 3, the lance 22 is provided on the upper surface of each terminal accommodating chamber 21 in a cantilevered manner facing forward. The lance 22 is elastically deformable in the vertical direction. By locking the lance 22 to the female terminal fitting 10 housed in the regular position of the terminal accommodating chamber 21, the female terminal fitting 10 in the terminal accommodating chamber 21 can be prevented from coming off.

As shown in FIG. 4, the retainer insertion hole 23 is formed so as to penetrate the central portion of the housing 26 in the front-rear direction in the left-right direction. The retainer insertion hole 23 communicates with each terminal accommodating chamber 21 (see FIG. 3). A pair of locked portions 24 are provided on the inner surface on the front side and the inner surface on the rear side at the right end of the retainer insertion hole 23 so as to face each other and project so as to approach each other.

As shown in FIG. 1, the hood 25 has a cylindrical shape and is provided so as to cover the top, bottom, left, and right of the housing 26. The hood 25 extends forward from the outer circumference of the rear end of the housing 26. A lock arm 27 for locking the mating side housing (not shown) and the connector housing 20 in a fitted state is provided at the center of the upper surface of the hood 25 in the left-right direction. On the left side of the hood 25, an introduction opening 28 through which the retainer 40 passes when the retainer 40 described later is attached is opened.

[Structure of female terminal fittings]
The female terminal fitting 10 is formed by punching a metal plate material into a predetermined shape and then bending it. As shown in FIG. 5, the female terminal fitting 10 has a square cylinder portion 12 and a barrel 13. The square tubular portion 12 has a tubular shape, and internally accommodates a contact piece 11 that comes into contact with a tab (not shown) of the male terminal fitting of the other party. The barrel 13 is provided at the rear end portion of the female terminal fitting 10, and is fixed to the terminal of the electric wire W through which the rubber stopper R is inserted together with the cylindrical rubber stopper R by crimping. There is.

A step portion 14 is formed on the rear end edge of the square tube portion 12. A retaining portion 43F of the retainer main body 43, which will be described later, can be engaged with the step portion 14. The front end portion of the upper surface of the square cylinder portion 12 is provided with a lance locking protrusion 17 which is a detected portion formed by stacking two sheets of sheet metal. The lance locking projection 17 can be locked to the tip of the lance 22 arranged rearward. At the front end portion of the square cylinder portion 12, a curved surface C having a quarter arc shape is formed continuously on the front surface of the square cylinder portion 12 and continuously on the upper surface of the square cylinder portion 12 and the front surface of the square cylinder portion 12. There is.

[Retainer configuration]
The retainer 40 is made of synthetic resin. As shown in FIGS. 6 and 7, the retainer 40 includes a front wall portion 40D that covers the front surface of the housing 26, a side wall portion 40C that covers the left side surface when viewed from the front, an upper wall portion 40A that covers the upper surface, and a lower wall portion that covers the lower surface. It is equipped with 40B and a retainer body 43. The front wall portion 40D has a function of stopping the female side terminal fitting 10 inserted in the terminal accommodating chamber 21 in front when the retainer 40 is attached to the housing 26.

The front wall portion 40D is formed with a plurality of tab insertion holes 44 through which tabs (not shown) of male terminal fittings are inserted so as to correspond to each terminal accommodating chamber 21. The front wall portion 40D is formed with a plurality of jig insertion holes 45 that open to the upper right of each tab insertion hole 44. A jig for releasing the locking of the lance 22 to the female terminal fitting 10 is inserted into each jig insertion hole 45. The moving direction of the retainer 40 when assembling the retainer 40 to the housing 26 is to the right. Therefore, the jig insertion hole 45 is arranged at a position separated from the tab insertion hole 44 in the left-right direction intersecting the moving direction of the retainer 40.

As shown in FIG. 7, the retainer main body 43 extends to the right from the side wall portion 40C in a cantilever shape. The retainer main body 43 has a shape and size that can be fitted into the retainer insertion hole 23. As shown in FIG. 8, the retainer main body 43 is formed with two through

holes

43D and 43E penetrating in the front-rear direction side by side in the left-right direction. The through hole 43D is arranged so as to communicate with the three terminal accommodating chambers 21 arranged on the left side of the upper stage in a state where the retainer main body 43 is normally inserted into the retainer insertion hole 23. The through hole 43E is arranged so as to communicate with the three terminal accommodating chambers 21 arranged on the right side of the upper stage in a state where the retainer main body 43 is normally inserted into the retainer insertion hole 23.

At the upper edges of the through

holes

43D and 43E, three retaining portions 43F protruding downward are provided side by side in the left-right direction. On the lower surface of the retainer main body 43, seven retaining portions 43F project downward and are provided side by side in the left-right direction. When the retainer main body 43 is normally inserted into the retainer insertion hole 23, each retaining portion 43F enters the corresponding terminal accommodating chamber 21 from the left. Each of the retaining portions 43F is arranged so as to be lockable behind the stepped portion 14 of the square cylinder portion 12 of the female side terminal fitting 10 inserted into the terminal accommodating chamber 21. As a result, the female terminal fitting 10 is secondarily prevented from coming off in the terminal accommodating chamber 21.

As shown in FIG. 7, a plurality of locking recesses 43G are provided on each of the front and rear upper portions of the right end portion (tip portion) of the retainer main body 43. On the front side of the retainer main body 43, two locking recesses 43G are formed so as to be recessed backward and arranged side by side in the left-right direction. On the rear side of the retainer main body 43, two locking recesses 43G are formed so as to be recessed forward and arranged side by side in the left-right direction. The portion where the locking recess 43G on the rear side is formed is cantilevered to the right (see FIG. 1) and can be elastically deformed in the front-rear direction.

[Connector assembly procedure]
Next, an example of the assembly procedure for the connector 1 will be described. The retainer 40 is attached to the housing 26 from the left side. Specifically, the retainer 40 is mounted on the housing 26 while the front wall portion 40D is inserted along the front end of the housing 26 (see FIG. 11) and the retainer main body 43 is inserted through the retainer insertion hole 23 (see FIG. 10). ..

When the retainer main body 43 is inserted into the retainer insertion hole 23, the locked portion 24 of the housing 26 is locked to the locking recess 43G on the right side (tip side) of the retainer main body 43 (see FIG. 10). As a result, the retainer 40 is held in the temporary locking position (see FIG. 9). At this time, each tab insertion hole 44 of the front wall portion 40D is displaced to the left with respect to each terminal accommodation chamber 21, and each tab insertion hole 44 is closed by the partition wall 29 between the adjacent terminal accommodation chambers 21 (FIG. See 11.). Further, each retaining portion 43F is retracted to the left side of the corresponding terminal accommodating chamber 21 (see FIG. 12). In this way, the retainer 40 held in the temporary locking position allows the female terminal fitting 10 to be inserted into each terminal accommodating chamber 21. At this time, each jig insertion hole 45 is in a state aligned with the front surface of the lance 22 (see FIG. 12). As a result, the jig can be inserted into each jig insertion hole 45 to release the lock of the lance 22.

Next, the female terminal fitting 10 fixed to the terminal of the electric wire W to which the rubber stopper R is attached is inserted into the terminal storage chamber 21 from the rear of the terminal storage chamber 21. In the process of inserting the female terminal fitting 10 into the terminal accommodating chamber 21, the lance locking protrusion 17 abuts on the lance 22. Then, the lance 22 is bent upward by the lance locking projection 17 and deformed. When the female terminal fitting 10 is inserted to the normal position, the lance 22 reaches the rear of the lance locking projection 17 and is restored and deformed as shown in FIG. As a result, even if the female terminal fitting 10 moves backward, the lance locking projection 17 is locked to the lance 22, and the female terminal fitting 10 is temporarily locked in a retaining state. The rubber stopper R is in close contact with the inner peripheral surface of the rear portion of the terminal accommodating chamber 21.

At this time, the front surface of the female terminal fitting 10 is covered with the front wall portion 40D and is stopped at the front. Specifically, as shown in FIG. 14, the portion of the front wall portion 40D between the adjacent tab insertion holes 44 faces the entire front surface of the female terminal fitting 10. Further, the portion of the front wall portion 40D between the adjacent tab insertion holes 44 where the taper of the tab insertion hole 44 is not formed is larger than the left and right inner surfaces of the square cylinder portion 12 of the female terminal fitting 10. It is arranged so as to cover the inside. The lance locking projection 17 faces the jig insertion hole 45 of the retainer 40 held at the temporary locking position (see FIG. 13).

As shown in FIG. 13, the curved surface C of the female terminal fitting 10 inserted into the terminal accommodating chamber 21 forms a quarter arc shape continuously on the upper surface of the square cylinder portion 12 and the front surface of the square cylinder portion 12. There is. When the front wall portion 40D is viewed from the front, the curved surface C is arranged at the lower end portion of the jig insertion hole 45 so as to face the jig insertion hole 45. Further, at this time, the lance locking projection 17 is also arranged so as to face the jig insertion hole 45. The lance locking projection 17 is provided with an inspection probe inserted from the jig insertion hole 45 during a continuity inspection for inspecting whether or not each female terminal fitting 10 is inserted at a normal position in each terminal accommodation chamber 21. This is the part that comes into contact.

After the insertion work of all the female terminal fittings 10 into the terminal accommodating chamber 21 is completed, a continuity inspection is performed to inspect whether or not each female terminal fitting 10 is inserted into the normal position in each terminal accommodating chamber 21. Will be In the continuity inspection, the connector 1 with the retainer 40 assembled in the temporary locking position is set in the inspection device, and the inspection probe is inserted into the jig insertion hole 45 of the front wall portion 40D of the retainer 40 to pass the female terminal fitting. It is determined whether or not the lance locking projection 17 of 10 is in contact with the protrusion 17.

Next, the retainer 40 held in the temporary locking position is moved to the main locking position. When the retainer 40 is pushed to the right from the temporary locking position, the locked portion 24 disengages from the locking recess 43G on the right side (tip side) of the retainer body 43 and engages with the locking recess 43G on the left side (base end side). Stop (see FIG. 16). As a result, the retainer 40 is held in the main locking position (see FIG. 15).

The retainer 40 held in the main locking position aligns with the front surface of the corresponding terminal accommodating chamber 21 by each tab insertion hole 44 of the front wall portion 40D, and each retaining portion 43F enters the corresponding terminal accommodating chamber 21. (See FIG. 17). Then, each retaining portion 43F is locked to the stepped portion 14 at the rear end edge of the square cylinder portion 12 of the female side terminal fitting 10 (see FIG. 19). At this time, each jig insertion hole 45 is closed by a partition wall 29 that separates adjacent terminal accommodating chambers 21 (see FIG. 18).

In this way, the retainer 40 held in the main locking position is locked to the female terminal fitting 10 inserted to the normal position in the terminal accommodating chamber 21, and the female terminal fitting 10 is removed. The female terminal fitting 10 is double-locked in a retaining state by the lance 22 and the retaining portion 43F. In this way, the assembly of the connector 1 is completed. The retainer 40 can also be moved to the temporary locking position by moving it to the left from the main locking position. That is, the retainer 40 can be displaced between the temporary locking position and the main locking position.

Here, when the female terminal fitting 10 is inserted into the terminal accommodating chamber 21, the female terminal fitting 10 is kept in a state where it does not reach the normal position (that is, in a semi-inserted state), and the retainer is not noticed by the operator. The work of moving the 40 to the main locking position may be started.

As shown in FIG. 20, when the female terminal fitting 10 is fastened behind the normal position, the rear end portion of the square tube portion 12 is in a state of entering the retainer insertion hole 23. If the retainer 40 is to be moved to the main locking position in this state, the retaining portion 43F collides with the rear end portion of the square tube portion 12 that has entered the retainer insertion hole 23 from the left, and the retainer 40 is moved to the main locking position. Movement is restricted. As a result, it is possible to detect the half-inserted state of the female terminal fitting 10 into the terminal accommodating chamber 21.

Next, the action and effect of the first embodiment will be described.

The connector 1 of the present disclosure includes a housing 26 and a retainer 40. The housing 26 has a plurality of terminal accommodating chambers 21 into which the female terminal fitting 10 can be inserted from the front end, and the female terminal fitting 10 in the terminal accommodating chamber 21 is prevented from coming off by locking the lance 22. .. The retainer 40 is attached to the housing 26 and is attached to a temporary locking position that allows the female terminal fitting 10 to be inserted into the terminal accommodating chamber 21 and a female terminal fitting 10 that is inserted to the normal position in the terminal accommodating chamber 21. It can be displaced between the main locking position where the female terminal fitting 10 is locked and the female terminal fitting 10 is removed. The retainer 40 has the female terminal fitting 10 stopped at the front, and the tab insertion hole 44 for inserting the tab inserted into the female terminal fitting 10 and the jig insertion hole for inserting the jig for unlocking the lance 22. It has a front wall portion 40D on which 45 is formed. The jig insertion hole 45 is arranged at a position separated from the tab insertion hole 44 in a direction intersecting the moving direction of the retainer 40, and when the retainer 40 is in the temporary locking position, it is adjacent to the front wall portion 40D. The portion between the tab insertion holes 44 faces the front surface of the female terminal fitting 10. According to this configuration, when the retainer 40 is in the temporary locking position, the portion between the tab insertion holes 44 faces the front surface of the female terminal fitting 10. The portion of the front wall portion 40D between the adjacent tab insertion holes 44 does not have the jig insertion hole 45, and is the portion having the largest thickness dimension in the front wall portion 40D. Therefore, the front wall portion 40D fully exerts the function of stopping the female terminal fitting 10 in front. Further, it is possible to prevent the jig from being erroneously inserted into the tab insertion hole 44.

The female terminal fitting 10 of the connector 1 of the present disclosure has a lance locking protrusion 17 facing the jig insertion hole 45 when the retainer 40 is in the temporary locking position. According to this configuration, by inserting an inspection probe that contacts the lance locking projection 17 of the female terminal fitting 10 and conducts with the female terminal fitting 10 through the jig insertion hole 45, the female terminal fitting 10 is inserted. It can be determined whether or not 10 is inserted up to the normal position.

In the connector 1 of the present disclosure, when the retainer 40 is in the main locking position, the jig insertion hole 45 is closed by the partition wall 29 that separates the adjacent terminal accommodating chambers 21. According to this configuration, it is possible to prevent the female terminal fitting 10 from being exposed from a portion other than the tab insertion hole 44 and reduce the chance that the female terminal fitting 10 is inadvertently connected to each other.

The female terminal fitting 10 of the connector 1 of the present disclosure has a curved surface C which is connected to the front surface of the female terminal fitting 10 and is curved in a direction away from the front wall portion 40D. At one point, it is arranged so as to face the jig insertion hole 45. According to this configuration, the curved surface C prevents the jig from colliding with the female terminal fitting 10, and facilitates smooth insertion of the jig.

<Other embodiments>
The present disclosure is not limited to the embodiments described by the above description and drawings, but is shown by the scope of claims. The present disclosure includes the meaning equivalent to the scope of claims and all changes within the scope of claims, and is intended to include embodiments such as the following.
(1) The number of terminal accommodating chambers is not limited to the number disclosed in the embodiment. Further, the number of stages in the vertical direction of the terminal accommodating chamber is not limited to the number disclosed in the embodiment.
(2) In the embodiment, it is disclosed that the form of the terminal accommodating chamber is the same. However, the form of the terminal accommodating chamber matches the form of the terminal fitting used. Therefore, the form of the terminal accommodating chamber does not have to be the same.
(3) In the embodiment, the housing is provided with a lance, but the female terminal fitting may be provided with a lance.
(4) In the embodiment, it is disclosed that the rubber stopper is provided. However, it may be configured without a rubber stopper.

1 ... Connector 10 ... Female side terminal fitting (terminal fitting)
11 ... Contact piece 12 ... Square tube 13 ... Barrel 14 ... Step 17 ... Lance locking protrusion (detected part)
20 ... Connector housing 21 ... Terminal accommodating chamber 22 ... Lance (primary locking part)
23 ... retainer insertion hole 24 ... locked portion 25 ... hood 26 ... housing 27 ... lock arm 28 ... introduction opening 29 ... partition wall 40 ... retainer 40A ... upper wall portion 40B ... lower wall portion 40C ... side wall portion 40D ... front wall portion 43 ... Retainer main body 43D ... Through hole 43E ... Through hole 43F ... Stopping portion 43G ... Locking recess 44 ... Tab insertion hole 45 ... Metallurgical insertion hole C ... Curved surface R ... Rubber stopper W ... Electric wire

Claims

A housing having a plurality of terminal accommodating chambers into which terminal fittings can be inserted from the front end of the terminal fittings, and the terminal fittings in the terminal accommodating chamber being prevented from coming off by locking the primary locking portion.
The terminal fitting is pulled out by locking the terminal fitting attached to the housing and allowing the terminal fitting to be inserted into the terminal accommodating chamber and the terminal fitting inserted to the normal position in the terminal accommodating chamber. Equipped with a main locking position to stop and a retainer that can be displaced between
The retainer has a tab insertion hole for inserting a tab inserted into the terminal fitting and a jig insertion hole for inserting a jig for releasing the locking of the primary locking portion, with the terminal fitting as a front stop. Has a front wall that has been
The jig insertion hole is arranged at a position separated from the tab insertion hole in a direction intersecting the moving direction of the retainer.
A connector in which a portion of the front wall portion between adjacent tab insertion holes faces the front surface of the terminal fitting when the retainer is in the temporary locking position.
The connector according to claim 1, wherein the terminal fitting has a detected portion facing the jig insertion hole when the retainer is in the temporary locking position.
The connector according to claim 1 or 2, wherein when the retainer is in the main locking position, the jig insertion hole is closed by a partition wall separating the adjacent terminal accommodating chambers.
The terminal fitting has a curved surface that is continuous with the front surface of the terminal fitting and is curved in a direction away from the front wall portion.
The connector according to any one of claims 1 to 3, wherein the curved surface is arranged so as to face the jig insertion hole when the retainer is in the temporary locking position.