Connector

Abstract

A connector (10) is provided with: a housing (11) that can be fitted to a mating housing; and a fitting detection member (30) that allows the movement of the fitting detection member (30) from the temporary locking position to the main locking position in a state in which the housing and the counterpart housing are normally fitted, the housing being provided with a locking arm (14) that extends in a cantilevered manner and is formed so as to be deflectable, the locking arm being provided with: a locking part (15) that can be locked to the counterpart housing; and a pair of arm portions (16) disposed on both sides of the lock portion and extending from the lock portion toward the free end side of the lock arm, each of the pair of arm portions being provided with a lock receiving portion (18), the fitting detection member being provided with a detection arm (32), the detection arm being provided with a stopper portion (34) disposed at the distal end portion and two lock protrusions (35) disposed on both sides of the stopper portion, the detection arm being engaged with the lock portion by the stopper portion, and the detection arm being engaged with the lock portion by the lock protrusion. The lock protrusion is engaged with the lock receiving portion, thereby suppressing movement of the fitting detection member from the temporary engagement position to the formal engagement position.

Description

Technical Field

[0001] The present invention relates to a connector. Background Art

[0002] In the past, a connector described in Japanese Patent Gazette No. 2020-72013 (hereinafter referred to as Patent Document 1) is known. The connector includes a shell and a mating ensuring component mounted on the shell. The shell includes a locking portion that is locked with the shell on the other side. The locking portion includes: a pair of locking arms; an operating portion that connects the terminal ends of the pair of locking arms in the width direction; and a locking portion that connects the middle portions of the pair of locking arms in the front-to-back direction in the width direction. The mating ensuring component includes a base and a detection arm extending forward from the base. A locking portion is provided at the top end of the detection arm.

[0003] The fitting guarantee component is held on the housing at a temporary stop position and a formal stop position that can be moved when the housing and the other side housing are fitted. At the temporary stop position, the fitting guarantee component cannot be pressed forward and moved to the formal stop position by the engagement portion of the detection arm and the engagement portion of the locking portion. When the housing and the other side housing are fitted, the engagement portion of the detection arm is pressed downward by the other side locking portion of the other side housing, thereby releasing the engagement of the engagement portion of the detection arm and the engagement portion of the locking portion. Thus, the fitting guarantee component can be moved to the formal stop position. Prior art literature Patent Literature

[0004] Patent Document 1: Japanese Patent Application Publication No. 2020-72013 Summary of the invention Problems to be solved by the invention

[0005] However, when a small connector adopts the above structure, the area of ​​the stop surface of the engagement portion of the detection arm and the engagement portion of the locking portion is sometimes small. If the area of ​​the stop surface is small, even when the housing and the other side housing are not completely engaged, it is possible that the locking arm and the detection arm are bent with a relatively small force, so that the engagement assurance component is pressed into the formal engagement position. Therefore, the engagement detection of the engagement assurance component may be improperly performed. Solutions to Solve Problems

[0006] The connector of the present invention comprises: a shell that can be mated with a shell on the other side; and a mating detection member that can move between a temporary locking position and a formal locking position relative to the shell, and allows the mating detection member to move from the temporary locking position to the formal locking position when the shell and the shell on the other side are properly mated, and the shell comprises a locking arm that extends in a cantilevered manner from the outer peripheral wall of the shell and is formed to be able to be flexibly deformed, and the locking arm comprises: a locking portion that can be locked with the shell on the other side; a pair of arm portions that are arranged at both ends of the locking portion Laterally, it extends to the free end side of the locking arm than the locking portion; and an operating portion, connecting the pair of arm portions, the pair of arm portions respectively having a locking receiving portion, the mating detection component having a main body portion and a detection arm extending from the main body portion, the detection arm having a stop portion arranged at the terminal end of the detection arm and two locking protrusions arranged on both sides of the stop portion, the stop portion is stopped by the locking portion, and the locking protrusion is stopped by the locking receiving portion, thereby inhibiting the mating detection component from moving from the temporary stopping position to the formal stopping position. Effects of the Invention

[0007] According to the present invention, it is possible to provide a connector capable of suppressing movement of a fitting detection member to a formal locking position in a state where the fitting is not properly engaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is an exploded perspective view of the connector according to the embodiment. Figure 2 It is a top view of the connector in which the fitting detection member is held in the temporary locking position. Figure 3 yes Figure 2 AA section view. Figure 4 yes Figure 2 BB cross-sectional view. Figure 5 yes Figure 2 CC cross-sectional view. Figure 6 The periphery of the locking receiving portion and the locking protrusion is shown. Figure 4 Magnified image of . Figure 7 It is shown in Figure 2 FIG. 2 is a diagram showing the state in which the housing and the other housing are properly fitted together in the AA section. Figure 8 It is shown in Figure 2 FIG. 2 is a diagram showing the state in which the housing and the other housing are properly fitted together in the BB section. Fig. 9 It is shown in Figure 2FIG. 2 is a diagram showing a state in which the engagement detection component is maintained in the formal locking position in the AA section. Fig.10 It is shown in Figure 2 FIG. 2 is a diagram showing a state in which the engagement detection component is maintained in the formal locking position in the BB section of FIG. 2 . Fig.11 yes Figure 4 DD cross-sectional view. Fig.12 It is a perspective view showing the distal end portion of the detection arm. DETAILED DESCRIPTION

[0009] [Description of Embodiments of the Invention] First, embodiments of the present invention will be described by way of examples.

[0010] (1) The connector of the present invention comprises: a shell capable of being engaged with a shell on the other side; and an engagement detection member capable of moving between a temporary locking position and a formal locking position relative to the shell, and allowing the engagement detection member to move from the temporary locking position to the formal locking position when the shell and the shell on the other side are properly engaged, the shell comprising a locking arm, the locking arm extending in a cantilevered manner from the outer peripheral wall of the shell and being formed to be flexibly deformable, the locking arm comprising: a locking portion capable of being engaged with the shell on the other side; and a pair of arm portions arranged on the locking portion. On both sides, extending toward the free end side of the locking arm than the locking portion; and an operating portion connecting the pair of arm portions, the pair of arm portions respectively having a locking receiving portion, the mating detection component having a main body portion and a detection arm extending from the main body portion, the detection arm having a stop portion arranged at the terminal end of the detection arm and two locking protrusions arranged on both sides of the stop portion, the stop portion being stopped by the locking portion, and the locking protrusion being stopped by the locking receiving portion, thereby inhibiting the mating detection component from moving from the temporary stopping position to the formal stopping position.

[0011] According to such a structure, when the mating detection member is located at the temporary locking position, not only the stopper and the locking portion are locked, but also the locking protrusion and the locking receiving portion are locked, so that the locking surface of the mating detection member and the housing can be increased. Therefore, it is possible to suppress the mating detection member from moving to the formal locking position when the connector is not properly mated.

[0012] (2) Preferably, the locking receiving portion includes an abutment portion and a top portion, the top portion is connected to the abutment portion, and is formed in a range from the abutment portion to the operating portion in the mating direction of the shell and the other side shell, the formal locking position is located on one side of the mating direction relative to the temporary locking position, and when the mating detection member is located at the temporary locking position, the top portion is opposite to the locking protrusion in the flexure direction of the locking arm orthogonal to the mating direction, and the abutment portion is configured to be able to be locked with the locking protrusion in the mating direction when the mating detection member is pressed toward one side of the mating direction.

[0013] According to such a structure, since the top portion is formed in the range from the contact portion to the operating portion in the mating direction, the thinning of the pair of arm portions formed along with the lock receiving portion can be suppressed to a minimum. Therefore, when the locking arm is bent by pressing the operating portion, it is possible to suppress the pair of arm portions from excessively bending due to insufficient strength caused by the thin wall. Therefore, the locking portion and the other side housing can be properly released by the operating portion.

[0014] (3) Preferably, the contact portion is inclined in a direction away from the outer peripheral wall in the bending direction as it goes toward one side in the fitting direction.

[0015] According to such a structure, when the mating detection member is located at the temporary locking position, when the mating detection member is to be moved to the formal locking position, the locking protrusion abuts or slides with the abutting portion, so that it is difficult to release the locking of the locking protrusion and the lock receiving portion. Therefore, when the connector is not properly mated, the mating detection member can be further suppressed from moving to the formal locking position.

[0016] [Details of Embodiments of the Invention] Hereinafter, embodiments of the present invention will be described. The present invention is not limited to these examples but is defined by the claims, and is intended to include all modifications within the meaning and scope equivalent to the claims.

[0017] <Implementation Method> Reference Figures 1 to 12 The embodiment of the present invention is described. In the following description, the direction indicated by the arrow line Z is regarded as the top, the direction indicated by the arrow line X is regarded as the front, and the direction indicated by the arrow line Y is regarded as the left. In addition, with respect to a plurality of identical components, sometimes only some of the components are marked with reference numerals, and the reference numerals of the other components are omitted.

[0018] [Connectors] like Figure 1 and Figure 2As shown in FIG. 1 , the connector 10 of the present embodiment includes a housing 11 and a mating detection member 30 assembled to the housing 11. Figure 7 As shown, the mating partner of the connector 10 is a mating connector 50 having a mating housing 51. The housing 11 and the mating housing 51 are mated in the front-rear direction (an example of a mating direction).

[0019] [Other side housing] The mating connector 50 includes a mating housing 51 and mating terminals (not shown) housed in the mating housing 51. The mating housing 51 is provided with a mating locking portion 52. As described later, the mating locking portion 52 is locked with the locking portion 15 of the housing 11 (see Figure 7 ). In this embodiment, the other terminal is a male terminal in a connector shape.

[0020] [case] The housing 11 is made of insulating synthetic resin and is generally block-shaped. Figure 1 As shown, the housing 11 has a cavity 12 that penetrates in the front-rear direction. Terminals (not shown) are accommodated in the cavity 12. These terminals are female terminals in this embodiment.

[0021] [Locking Arm] The upper wall of the housing 11 is an outer peripheral wall 13. A locking arm 14 is formed on the outer peripheral wall 13. The locking arm 14 is slender and extends in the front-back direction as a whole. The locking arm 14 is in a cantilever shape extending backward from the front end of the outer peripheral wall 13. The locking arm 14 can be bent and deformed in the upward and downward direction (an example of a bending direction) with the front end as a substantial fulcrum.

[0022] The locking arm 14 includes: a front half 14A; a locking portion 15 protruding upward from the front half 14A; a pair of left and right arm portions 16 extending from the front half 14A to the free end side (rear side); and an operating portion 17 connecting the rear end portions of the pair of arm portions 16 in a bridge-like manner. The front half 14A is roughly plate-shaped. The front end portion of the front half 14A is the base end portion of the locking arm 14 and is connected to the outer peripheral wall 13. The locking portion 15 is arranged in the left and right central portions of the rear portion of the front half 14A. Figure 3 As shown, a locking recess 15A is formed on the lower side of the locking portion 15 and is recessed upward from the lower surface of the locking arm 14 .

[0023] like Figure 5As shown, a pair of arm portions 16 have opposing surfaces 16A that are opposed to each other in the width direction (left-right direction) of the connector 10. In detail, in the arm portion 16 arranged on the right side, its left side surface is the opposing surface 16A. In the arm portion 16 arranged on the left side, its right side surface is the opposing surface 16A. Each arm portion 16 has a locking receiving portion 18 that is recessed from the opposing surface 16A to the outside in the width direction. The locking receiving portion 18 is recessed upward from the lower surface of each arm portion 16. As shown in FIG. Figure 6 As shown, the lock receiving portion 18 includes a contact portion 18A intersecting an axis extending in the front-rear direction and a top portion 18B connected to the upper end of the contact portion 18A and extending in the front-rear direction. The contact portion 18A is inclined so that the upper portion is located on the mating surface side.

[0024] like Figure 1 As shown in FIG. 1 , a pair of protective walls 19 are provided in the housing 11. The pair of protective walls 19 are arranged on both sides of the locking arm 14 and stand upward from the outer peripheral wall 13. The pair of protective walls 19 can prevent foreign matter from entering between the locking arm 14 and the outer peripheral wall 13. In addition, a pair of side wall portions 20 are provided in the housing 11, standing upward from both ends in the width direction of the outer peripheral wall 13. The upper ends of the pair of side wall portions 20 and the upper ends of the pair of protective walls 19 are connected by a connecting portion 21.

[0025] [Matching detection member] The mating detection member 30 is made of an insulating synthetic resin. The mating detection member 30 includes a main body 31 and a detection arm 32 extending from the main body 31. The main body 31 is a portion that is in sliding contact with the outer peripheral wall 13 of the housing 11 and has a shape that is long in the width direction. The detection arm 32 extends obliquely upward and forward from the left and right center position of the front end of the main body 31. The detection arm 32 can be flexibly deformed relative to the main body 31.

[0026] The mating detection member 30 is provided with a pair of locking pieces 33 extending forward from both ends in the width direction of the main body 31. The pair of locking pieces 33 are respectively inserted between the side wall 20 of the housing 11 and the protective wall 19. A plurality of locking structures that can be locked to each other are provided between the mating detection member 30 and the housing 11. Through the plurality of locking structures, the mating detection member 30 is held in a temporary locking position ( Figure 3 and Figure 4 ) and the formal stop position ( Fig. 9 and Fig.10 ).

[0027] exist Fig.11An example of the above-mentioned multiple locking structures is shown in FIG. The locking piece 33 includes a first locking protrusion 33A and a second locking protrusion 33B arranged at the rear of the first locking protrusion 33A. The first locking protrusion 33A and the second locking protrusion 33B protrude from the locking piece 33 to the outside in the width direction. The side wall portion 20 includes a third locking protrusion 20A and a fourth locking protrusion 20B arranged at the rear of the third locking protrusion 20A. The third locking protrusion 20A and the fourth locking protrusion 20B protrude from the rear side portion of the side wall portion 20 to the inside in the width direction. Fig.11 In the embodiment, the mating detection member 30 is located at the temporary stop position. The mating detection member 30 is restricted from moving forward by the front end face of the first stop protrusion 33A and the rear end face of the third stop protrusion 20A. The mating detection member 30 is restricted from moving backward by the rear end face of the second stop protrusion 33B and the front end face of the fourth stop protrusion 20B. Therefore, the mating detection member 30 is held at the temporary stop position.

[0028] In addition, although not shown in detail, when the mating detection member 30 is in the formal locking position, the rear end surface of the first locking protrusion 33A and the front end surface of the third locking protrusion 20A are locked, thereby limiting the rearward movement of the mating detection member 30. The front end of the main body 31 abuts against the rear end of the protective wall 19, thereby limiting the forward movement of the mating detection member 30. Therefore, the mating detection member 30 is maintained in the formal locking position.

[0029] like Figure 1 As shown, the detection arm 32 includes a stopper 34 disposed at the distal end of the detection arm 32 and two locking protrusions 35 disposed on both sides of the stopper 34. Fig.12 As shown in FIG. 1 , the stopper 34 includes a protrusion 36 protruding upward in a mountain shape relative to the detection arm 32 and a protrusion 37 extending forward from the protrusion 36. The protrusion 36 is provided with an inclined surface 36A, and the inclined surface 36A is inclined in a manner that it is located downward as it moves toward the front. The locking protrusion 35 includes a first surface 35A, a second surface 35B, and a third surface 35C connected to the side surface of the stopper 34. Figure 6 As shown, the first surface 35A is inclined so that the upper part is located on the mating surface side. The second surface 35B is connected to the upper end of the first surface 35A and is inclined so that the lower part is located on the mating surface side. The third surface 35C is connected to the rear end of the second surface 35B and is inclined so that the upper part is located on the mating surface side.

[0030] When the fitting detection member 30 is held at the temporary stop position, Figure 3As shown, the stopper 34 and the locking part 15 are arranged opposite to each other in the mating direction. Specifically, the protrusion 36 of the stopper 34 and the locking part 15 are opposite to each other in the front-back direction, and the protrusion 37 of the stopper 34 is received in the locking recess 15A. When the mating detection member 30 is held at the temporary stop position and the housing 11 and the other side housing 51 are not completely mated, if the mating detection member 30 is to be forcibly moved forward, the protrusion 36 of the stopper 34 and the locking part 15 are stopped. Therefore, the mating detection member 30 can be prevented from moving from the temporary stop position to the formal stop position.

[0031] In addition, when the fitting detection member 30 is held at the temporary locking position, Figure 4 As shown in FIG. 1 , the lock receiving portion 18 receives the lock protrusion 35. In detail, as shown in FIG. Figure 6 As shown in the figure, the contact portion 18A of the lock receiving portion 18 is opposite to the first surface 35A of the locking protrusion 35 in the mating direction. The top 18B of the lock receiving portion 18 is arranged above the locking protrusion 35. When the mating detection member 30 is held at the temporary stop position and the housing 11 and the other side housing 51 are not completely mated, in the case where the mating detection member 30 is forced to move forward, the contact portion 18A and the first surface 35A of the locking protrusion 35 are locked. Therefore, the mating detection member 30 can be suppressed from moving from the temporary stop position to the formal stop position.

[0032] In this embodiment, the contact portion 18A is inclined so that the upper side is located on the mating surface side. Figure 6 In the state shown, when the fitting detection member 30 is to be moved forward, the contact portion 18A and the first surface 35A of the locking protrusion 35 are in contact or sliding contact, and the locking protrusion 35 is to be moved inward (above the contact portion 18A) of the lock receiving portion 18. Therefore, since the locking protrusion 35 does not get under the lock arm 14, the locking of the lock receiving portion 18 and the locking protrusion 35 is not easily released.

[0033] When the housing 11 and the counterpart housing 51 are in a state of being fitted together (in a state of being properly fitted together), Figure 7 As shown, the other side locking portion 52 and the locking portion 15 are locked. In addition, when the mating detection member 30 is in the temporary locking position, the other side locking portion 52 presses the stopper 34 downward. When the mating detection member 30 is pressed forward in the state where the housing 11 and the other side housing 51 are properly mated, the inclined surface 36A of the protrusion 36 of the stopper 34 slides with the locking portion 15. In addition, the second surface 35B of the locking protrusion 35 slides with the lower end of the lock receiving portion 18 (refer to Figure 8 ). As a result, the detection arm 32 is further bent downward and moves forward, and the fitting detection member 30 reaches the formal locking position (refer to Fig. 9and Fig.10 ). The mating detection member 30 is pressed into the formal locking position, thereby detecting the proper mating of the housing 11 and the mating housing 51.

[0034] When the fitting detection member 30 is held in the formal locking position, Fig. 9 As shown in FIG. 1 , the protrusion 36 of the stopper 34 is received in the locking recess 15A. Fig.10 As shown, the locking protrusion 35 is disposed below the locking arm 14 .

[0035] In order to detach the housing 11 from the mating housing 51, first, the fitting detection member 30 is moved from the permanent locking position to the temporary locking position (see Figure 7 and Figure 8 ). Then, by pressing the operation portion 17, the lock arm 14 is bent downward, thereby releasing the locking portion 15 and the other-side lock portion 52. Furthermore, by separating the housing 11 and the other-side housing 51 from each other in the front-rear direction, the housing 11 and the other-side housing 51 are separated.

[0036] [About the locking of the detection arm and the lock arm] When the width dimension of the connector 10 is small, the sizes of the stopper portion 34 and the stopper surface of the lock portion 15 are reduced (see Figure 2 ). Therefore, it may be difficult to suppress the forward movement of the mating detection member 30 from the temporary locking position when the connector 10 is not properly mated. In order to ensure the size of the locking surface of the moving portion 34 and the locking portion 15, it is considered to increase the stop portion 34 in the width direction and reduce the pair of arm portions 16 of the locking arm 14 in the width direction. However, when the pair of arm portions 16 are reduced in the width direction and thinned, when the operating portion 17 is pressed, it is possible that only the pair of arm portions 16 in the locking arm 14 are greatly bent, and the front half 14A is almost not bent. As a result, it may be impossible to release the locking portion 15 of the housing 11 and the other side locking portion 52 of the other side housing 51.

[0037] Therefore, in this embodiment, the lock receiving portion 18 is provided by partially cutting out the pair of arm portions 16, and the locking protrusions 35 are provided on both sides of the stopper portion 34 (see FIG. Figure 4 ). Thus, even when the width dimension of the connector 10 is small, the pair of arm portions 16 can be prevented from being thinned, and the locking surfaces of the detection arm 32 and the lock arm 14 can be increased. Therefore, the locking of the lock portion 15 of the housing 11 and the other-side lock portion 52 of the other-side housing 51 can be appropriately released, and the mating detection member 30 can be prevented from moving forward from the temporary locking position when the connector 10 is not properly mated.

[0038] In addition, in this embodiment, since the top portion 18B extends in the front-rear direction within the range from the contact portion 18A to the operating portion 17, the thinning of the pair of arm portions 16 can be further suppressed (see Figure 6 ).

[0039] [Effects of the Embodiments] According to the implementation mode, the following actions and effects are achieved. The connector 10 of the embodiment comprises: a housing 11, which can be mated with a housing 51 on the other side; and a mating detection member 30, which can move between a temporary locking position and a formal locking position relative to the housing 11, and allows the mating detection member 30 to move from the temporary locking position to the formal locking position when the housing 11 and the housing 51 on the other side are properly mated. The housing 11 comprises a locking arm 14, which extends in a cantilevered manner from the outer peripheral wall 13 of the housing 11 and is formed to be able to bend and deform. The locking arm 14 comprises: a locking portion 15, which can be locked with the housing 51 on the other side; a pair of arm portions 16, which are arranged on the locking portion 15 On both sides, extending from the locking portion 15 to the free end side of the locking arm 14; and an operating portion 17, connecting a pair of arm portions 16, the pair of arm portions 16 respectively having a locking receiving portion 18, the mating detection component 30 has a main body portion 31 and a detection arm 32 extending from the main body portion 31, the detection arm 32 has a stop portion 34 arranged at the terminal end of the detection arm 32 and two locking protrusions 35 arranged on both sides of the stop portion 34, the stop portion 34 is stopped at the locking portion 15, and the locking protrusion 35 is stopped at the locking receiving portion 18, thereby inhibiting the mating detection component 30 from moving from the temporary stopping position to the formal stopping position.

[0040] According to such a structure, when the mating detection member 30 is located at the temporary locking position, not only the stopper 34 and the locking portion 15 are locked, but also the locking protrusion 35 and the lock receiving portion 18 are locked, so that the locking surface of the mating detection member 30 and the housing 11 can be increased. Therefore, it is possible to suppress the mating detection member 30 from moving to the formal locking position when the connector 10 is not properly mated.

[0041] In an embodiment, the locking receiving portion 18 includes an abutment portion 18A and a top portion 18B, the top portion 18B is connected to the abutment portion 18A, and is formed in a range from the abutment portion 18A to the operating portion 17 in the mating direction (front-to-back direction) of the shell 11 and the other side shell 51, and the formal locking position is located on one side (front side) of the mating direction relative to the temporary locking position. When the mating detection member 30 is located at the temporary locking position, the top portion 18B is opposite to the locking protrusion 35 in the bending direction (up-down direction) of the locking arm 14 orthogonal to the mating direction, and the abutment portion 18A is configured so that when the mating detection member 30 is pressed toward one side of the mating direction, it can be locked with the locking protrusion 35 in the mating direction.

[0042] According to such a structure, since the top portion 18B is formed in the range from the contact portion 18A to the operating portion 17 in the mating direction, the thinning of the pair of arm portions 16 formed along with the lock receiving portion 18 can be suppressed to a minimum. Therefore, when the lock arm 14 is bent by pressing the operating portion 17, it is suppressed that only the pair of arm portions 16 are excessively bent due to insufficient strength caused by the thin wall. Therefore, the locking of the lock portion 15 and the other side housing 51 can be appropriately released by the operating portion 17.

[0043] In the embodiment, the contact portion 18A is inclined in a direction (upward) away from the outer peripheral wall 13 in the bending direction as it goes toward one side in the fitting direction.

[0044] According to such a structure, when the mating detection member 30 is located at the temporary locking position, when the mating detection member 30 is to be moved to the formal locking position, the locking protrusion 35 is in contact with or slides against the abutment portion 18A, so that it is difficult to release the locking of the locking protrusion 35 and the lock receiving portion 18. Therefore, when the connector 10 is not properly mated, the mating detection member 30 can be further suppressed from moving to the formal locking position.

[0045] <Other Implementation Methods> (1) In the above embodiment, the pair of locking pieces 33 includes the first locking protrusion 33A and the second locking protrusion 33B, and the pair of side wall portions 20 includes the third locking protrusion 20A and the fourth locking protrusion 20B, but the present invention is not limited thereto. For example, the first locking protrusion and the second locking protrusion may be provided on both sides of the main body, and the third locking protrusion and the fourth locking protrusion may be provided on a pair of protective walls. In addition, the plurality of locking structures between the mating detection member 30 and the housing 11 may also be structures other than those described above. (2) In the above embodiment, the lock receiving portion 18 includes the contact portion 18A and the top portion 18B, but the present invention is not limited thereto, and the lock receiving portion may include only the contact portion. Description of Reference Numerals

[0046] 10: Connector 11: Shell 12: Cavity 13: Outer wall 14: Locking arm 14A: First half 15: Locking part 15A: Locking recess 16: Arm 16A: Opposite side 17: Operation Department 18: Lock receiving part 18A: contact part 18B: Top 19: Protective wall 20: Side wall 20A: 3rd locking protrusion 20B: 4th locking protrusion 21: Connection 30: Chiming detection component 31: Main body 32: Detection arm 33: Stopper 33A: 1st locking protrusion 33B: Second locking protrusion 34: Stopper 35: Locking convex part 35A: Side 1 35B: Side 2 35C: Side 3 36: Protrusion 36A: Inclined surface 37: Protrusion 50: Connector on the other side 51: The other side housing 52: Locking part on the other side

Claims

1. A connector having: A housing capable of being engaged with a housing on the other side; and The mating detection member is movable between a temporary locking position and a formal locking position relative to the housing, and allows the mating detection member to move from the temporary locking position to the formal locking position when the housing and the counterpart housing are properly mated. The housing includes a locking arm, which extends in a cantilevered manner from an outer peripheral wall of the housing and is formed to be flexibly deformable. The locking arm comprises: a locking portion capable of being locked with the other side housing; a pair of arm portions arranged on both sides of the locking portion and extending toward the free end side of the locking arm from the locking portion; and an operating portion connecting the pair of arm portions. The pair of arms are respectively provided with a lock receiving portion, The mating detection member includes a main body and a detection arm extending from the main body. The detection arm includes a stopper portion disposed at a distal end of the detection arm and two locking protrusions disposed on both sides of the stopper portion. The stopper portion is locked to the lock portion, and the lock projection is locked to the lock receiving portion, thereby preventing the fitting detection member from moving from the temporary locking position to the permanent locking position.

2. The connector according to claim 1, wherein: The lock receiving portion includes a contact portion and a top portion, the top portion is connected to the contact portion, and is formed in a range from the contact portion to the operating portion in the mating direction between the housing and the counterpart housing. The formal locking position is located on one side of the fitting direction relative to the temporary locking position. When the engagement detection member is located at the temporary locking position, The top portion is opposed to the locking projection in a bending direction of the locking arm orthogonal to the fitting direction. The abutment portion is arranged so as to be locked with the locking projection in the fitting direction when the fitting detection member is pressed toward one side in the fitting direction.

3. The connector according to claim 2, wherein: The contact portion is inclined in a direction away from the outer peripheral wall in the bending direction as it goes toward one side in the fitting direction.

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