JP2017191746A - connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple configuration for guaranteeing a fitting lock between a first connector housing and a second connector housing by a lock arm portion and a wall configuration for protecting the lock arm portion from unnecessary deformation due to an external force. To provide a feasible connector. SOLUTION: The first connector housing 10 is provided with a second connector housing 20 having a lock protective wall portion 40 that protects a lock arm portion 30 by a wall including a protective wall 51 on the front side in the fitting direction. The lock protection wall portion 40 of the connector 1 is provided so that a part of the wall including the protection wall 51 on the front side in the fitting direction can be slidably moved to the temporary locking position and the main locking position in the fitting direction. In addition, the lock arm portion 30 interferes with the protective wall 51 on the front side in the fitting direction, so that it is detected that the lock arm portion 30 is in a semi-fitting state, and the lock arm portion 30 is prevented from bending in the unlocking direction. It has a fitting guarantee portion 50 which is finally locked as described above. [Selection diagram] Fig. 1

Description

  The present invention relates to a connector into which a first connector housing and a second connector housing are fitted.

  2. Description of the Related Art Conventionally, a connector used for electrical connection of a vehicle-mounted camera or the like includes a first connector housing provided with a first terminal, a lock arm portion that locks with a lock projection provided on the first connector housing, and a lock. A lock protection wall portion that protects the arm portion by a wall including a front-side protection wall in the fitting direction provided on the front side in the fitting direction with the first connector housing, and is connected to the first terminal. And a second connector housing in which terminals are accommodated.

  For example, in Patent Document 1, a male housing (first connector housing) provided with a male terminal (first terminal) and a male beak (lock protrusion) provided on the male housing (first connector housing) are locked. A female lock (lock arm part) and a female lock (lock arm part) are provided on the front side in the mating direction with the male housing (first connector housing). ) Is protected from unnecessary deformation due to external force, and a female housing (second connector housing) containing a female terminal (second terminal) connected to the male terminal (first terminal) And CPA (Connector Position As) slidably attached to the outside of the female connector. A half-fitting prevention connector is described in which a fitting state between a male housing (first connector housing) and a female housing (second connector housing) is detected by “surance: connector position guarantee”.

JP 2012-64461 A

  However, the connector described in Patent Document 1 has a problem in that the structure around the lock arm is complicated because the lock protection wall and the CPA are provided around the lock arm.

  The present invention has been made in view of the above, and a configuration for ensuring a fitting lock by the lock arm portion between the first connector housing and the second connector housing, and unnecessary deformation of the lock arm portion by an external force. It is an object of the present invention to provide a connector that can realize a wall structure that protects from a simple structure.

  In order to solve the above-described problems and achieve the object, a connector according to claim 1 of the present invention includes a first connector housing provided with a first terminal, and a lock projection provided on the first connector housing. A lock arm portion that locks the lock arm portion, and a lock protection wall portion that protects the lock arm portion with a wall including a front-side protection wall in the fitting direction provided on the front side in the fitting direction with the first connector housing, and And a second connector housing containing a second terminal connected to the first terminal, wherein the lock protection wall portion is a wall constituting the lock protection wall portion. A part of the wall including the front-side protective wall in the fitting direction is provided to be slidable to the temporary locking position and the main locking position in the fitting direction, and the first connector housing and the second Connection When the lock housing is in a semi-fitted state, the lock arm portion in the state of being lifted up to the lock projection portion during the sliding movement from the temporary lock position to the final lock position is the front side in the fitting direction. By interfering with the protective wall, it is detected that the first connector housing and the second connector housing are in a semi-fitted state, and the first connector housing and the second connector housing are in a fitted state. The locking arm portion has a fitting securing portion that is permanently locked in a state where the protective wall in the fitting direction is disposed so as to prevent the locking arm portion from bending in the unlocking direction. It is characterized by.

  Moreover, the connector which concerns on Claim 2 of this invention WHEREIN: The said fitting ensuring part follows the fitting direction of a said 1st connector housing and a said 2nd connector housing from the both ends of the said fitting direction front side protection wall. The lock protection wall portion protects the lock arm portion along the fitting direction on both sides of the lock arm portion. And a pair of guide side walls formed with slide guide grooves that are slidably guided in the fitting direction in a state in which the pair of slide guide pieces are fitted, Are moved to the temporary locking position in the sliding direction and the final locking position in a state where the pair of slide guide pieces are fitted in the slide guide grooves of the pair of guide side walls, and the pair of slides The guide guide part together with the pair of guide side walls forms a wall that protects the lock arm part from both side parts along the fitting direction, and from the front side in the fitting direction by the fitting direction front side protective wall. A wall for protecting the lock arm portion is formed.

  In the connector according to claim 3 of the present invention, the slide guide groove extends from the front end surface in the fitting direction of the pair of guide side walls along the fitting direction, and the length of the groove is the length of the slide guide piece portion. It is provided so as to be substantially equal to the length, and the groove is substantially filled with each slide guide piece portion of the pair of slide guide piece portions by permanently locking the fitting securing portion. Features.

  In the connector according to claim 4 of the present invention, the fitting ensuring portion is substantially flush with the outer surfaces of the pair of guide sidewalls in a state where the pair of slide guide piece portions are fitted in the slide guide grooves. It is characterized by becoming.

  In the connector according to claim 1 of the present invention, the lock protection wall portion serving as a wall protecting the lock arm portion is in a state in which a part of the wall is fitted between the first connector housing and the second connector housing. Further, the fitting ensuring part which is configured by the fitting ensuring part having a detecting function for detecting the lock and which is finally locked serves as a double lock function for maintaining the lock state of the lock arm part. Therefore, a configuration for ensuring the fitting lock by the lock arm portion of the first connector housing and the second connector housing, and a configuration of a wall for protecting the lock arm portion from unnecessary deformation due to external force. This can be realized with a simple configuration.

  The connector according to claim 2 of the present invention is characterized in that the fitting securing portion is formed in a simple substantially U-shape and the locking arm portion from the front side in the fitting direction and from both side portions along the fitting direction. The pair of guide side walls that guide the slide of the fitting ensuring part are protected from both sides in the fitting direction, and the pair that guides the sliding of the fitting ensuring part Since the guide side wall forms a wall that protects the lock arm portion with a simple configuration, the lock by the lock arm portion between the first connector housing and the second connector housing is ensured. Therefore, the configuration of the wall for protecting the lock arm portion from unnecessary deformation due to an external force can be realized with a simpler configuration.

  In the connector according to claim 3 of the present invention, the slide guide grooves of the pair of guide side walls are substantially filled with the slide guide piece portions when the fitting securing portion is permanently locked. It is possible to prevent the guide side wall from being reduced in strength due to the thin wall thickness at the portion where the slide guide groove is formed, and as a result, the fitting security part and the pair of guide side walls. Thus, the lock protection wall portion having sufficient strength to protect the lock arm portion from unnecessary deformation due to external force can be formed.

  In the connector according to claim 4 of the present invention, the fitting ensuring part is integrated and simple with the pair of guide side walls which are other walls constituting the lock protection wall part and the outer surfaces thereof being substantially flush with each other. Since it is configured, a configuration for ensuring a fitting lock by the lock arm portion between the first connector housing and the second connector housing, and a wall that protects the lock arm portion from unnecessary deformation due to external force Can be realized with a simpler configuration.

FIG. 1 is an exploded perspective view of a connector according to an embodiment of the present invention. 2A and 2B are perspective views of the connector according to the embodiment of the present invention, in which FIG. 2A is a view showing a state where the fitting securing portion is in the temporary locking position, and FIG. It is the figure which showed the state in this locking position. FIG. 3 is a perspective view of the second connector housing with the protective member shown in FIG. 1 attached as viewed from the front side in the fitting direction. FIG. 3A shows the fitting securing portion in the temporary locking position. It is the figure which showed the state, (b) is the figure which showed the state which has a fitting ensuring part in this locking position. FIG. 4 is a side view of the second connector housing in a state where the protection member shown in FIG. 1 is mounted, and is a view showing a state where the fitting ensuring portion is in the temporary locking position. FIG. 5 is a cross-sectional view taken along line AA of the second connector housing shown in FIG. 4, (a) is a view showing a state where the fitting securing portion is in the temporary locking position, and (b) is It is the figure which showed the state which has a fitting ensuring part in this locking position. FIG. 6A is a diagram for explaining a state in which the first connector housing and the second connector housing are in a half-fitted state and the lock arm part interferes with the front-side protective wall in the fitting direction. (B) is a figure for demonstrating that it is prevented that a lock arm part bends in a lock release direction by the fitting direction front side protection wall by arrange | positioning a fitting ensuring part in this latching position. It is.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a connector according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view of a connector 1 according to an embodiment of the present invention. 2A and 2B are perspective views of the connector 1 according to the embodiment of the present invention, in which FIG. 2A is a view showing a state in which the fitting ensuring portion 50 is in the temporary locking position, and FIG. It is the figure which showed the state which has the part 50 in this locking position. FIG. 3 is a perspective view of the second connector housing 20 with the protective member 60 shown in FIG. 1 attached as viewed from the front side in the fitting direction. FIG. It is the figure which showed the state in a position, (b) is the figure which showed the state in which the fitting ensuring part 50 exists in this locking position. FIG. 4 is a side view of the second connector housing 20 in a state where the protection member 60 shown in FIG. 1 is mounted, and is a view showing a state in which the fitting ensuring part 50 is in the temporary locking position. FIG. 5 is a cross-sectional view taken along line AA of the second connector housing 20 shown in FIG. 4, and (a) is a view showing a state in which the fitting securing portion 50 is in the temporary locking position. ) Is a view showing a state in which the fitting ensuring part 50 is in the final locking position. FIG. 6A illustrates a state in which the first connector housing 10 and the second connector housing 20 are in a half-fitted state, and the lock arm portion 30 interferes with the front-side protective wall 51 in the fitting direction. (B) is that the fitting ensuring part 50 is disposed in the final locking position, whereby the front-side protective wall 51 in the fitting direction is prevented from being bent in the unlocking direction. It is a figure for demonstrating this.
1 and 2 also show the camera housing 100 and the lens 200 that are attached to the first connector housing 10.
Moreover, FIG. 5 has shown with the virtual diagram about the fitting direction front side protective wall part 51 which is not shown by the AA cross section.

  A connector 1 according to an embodiment of the present invention includes a first connector housing 10 provided with a first terminal T1, a lock arm portion 30 and a lock arm portion that lock with a lock projection 11b provided on the first connector housing 10. 30 has a lock protection wall portion 40 that protects 30 by a wall including a fitting direction front side protective wall 51 provided on the front side in the fitting direction with the first connector housing 10, and is connected to the first terminal T1. The second connector housing 20 in which the second terminal T2 is accommodated, and the terminal housing chamber 23 (to be described later) of the second connector housing 20 are defined by being attached to the front end of the second connector housing 20, and the first connector A holding member 60 provided with an abutting surface to be abutted against the inner front end surface of the housing 10 and attached to the second connector housing 20 Thus, the engaging member 70 that engages the second terminal T <b> 2 accommodated in the terminal accommodating chamber 23 and the first connector housing 10 and the second connector housing 20 are attached to the fitting portion to be fitted. And an elastic seal member S1 that seals the portion in a waterproof manner.

  In this embodiment, the second terminal T2 is a female terminal attached to the terminal portion of the electric wire W as shown in FIG. Moreover, the rubber plug S2 is attached to the electric wire W around the end of the second terminal T2, so that the second terminal T2 is accommodated in the second connector housing 20 in a waterproof manner.

  The first connector housing 10 includes a plurality of male terminals T1 serving as first terminals and a first fitting portion 11 that is a portion to be fitted to the second connector housing 20 and the camera housing 100. And a flange portion 12a is provided so that the edge surface of the camera housing 100 abuts along the outer peripheral surface of the case portion 12. .

The first fitting portion 11 has a cylindrical shape whose cross-sectional outer shape perpendicular to the fitting direction D (hereinafter simply referred to as “fitting direction”) between the first connector housing 10 and the second connector housing 20 is a substantially rectangular shape. The plurality of first terminals T1 are held and accommodated so that the tips are directed to the fitting ports 11a.
Each first terminal T1 is held at a predetermined position in the first fitting portion 11 by press-fitting or insert molding.

The first fitting portion 11 is provided with a lock protrusion 11b that locks with the lock arm portion 30 of the second connector housing 20 on one side surface.
The lock projection 11b is a projection provided with an inclined surface on the surface facing the fitting port 11a so that it can be easily passed over when a lock portion 33 described later of the second connector housing 20 is locked.

The case portion 12 has a rectangular bottom wall portion 12b that forms the bottom surface of the accommodation space for the camera functional parts at the end opposite to the fitting port 11a of the first fitting portion 11, and an edge of the bottom wall portion 12b. And a frame wall portion 12c erected along.
The flange portion 12a protrudes from the outer peripheral surface of the frame wall portion 12c along the outer periphery of the bottom wall portion side end portion of the frame wall portion 12c.
The case portion 12 is configured so that the camera housing 100 is attached, and the lens 200 is further attached to the camera housing 100, so that a part of the space in which the camera functional components are accommodated in a liquid-tight manner is configured.

  The second connector housing 20 includes a second fitting portion 21 that is a portion to be fitted with the first fitting portion 11 and a plurality of terminal insertions for inserting the second terminal T2 into the second fitting portion 21. And a terminal insertion portion 22 provided with a port 22a, and has a block shape made of an insulating resin material with the fitting port 21c side as one end and the terminal insertion port 22a side as the other end.

  Further, the second connector housing 20 includes a lock arm portion 30 that locks with the lock protrusion 11 b provided on the first connector housing 10, and the lock arm portion 30 on the front side in the fitting direction with the first connector housing 10. The lock protection wall part 40 protected by the wall including the provided fitting direction front side protection wall 51 is provided.

  The second fitting portion 21 is provided with a plurality of terminal accommodating chambers 23 in which a plurality of second terminals T2 are respectively accommodated. As shown in FIG. The inner fitting portion 21a to be fitted to the end position in the one fitting portion 11 and the outer wall of the second fitting portion 21 are formed and the first fitting portion 11 is fitted so as to overlap the outer side of the first fitting portion 11. A matching outer fitting wall 21b.

  Thus, the connector 1 has a double fitting structure of the inner fitting portion 21a and the outer fitting wall 21b, and the first connector housing 10 and the second connector housing 20 are fitted. Thus, the periphery of the fitting port end portion of the first fitting portion 11 is disposed between the inner fitting portion 21a and the outer fitting wall 21b, and between the inner fitting portion 21a and the first fitting portion 11. Is sealed in a waterproof manner by the elastic seal member S1.

A lock arm portion 30 and a lock protection wall portion 40 are provided on the outer surface of the second fitting portion 21.
The lock arm portion 30 includes a fulcrum portion 31 provided at an end of the terminal insertion portion 22, a pair of arm portions 32 and 32 extending from the fulcrum portion 31 in a direction in which the first connector housing 10 is fitted, and a pair of arms. A lock portion 33 which is provided so as to bridge the tips of the portions 32 and 32, and which is a portion where the pair of arm portions 32 and 32 are elastically neutral and locked to the lock projection portion 11b; An unlocking operation portion 35 provided at an end portion of the arm 34 extending in the direction opposite to the extending direction of the arm portions 32, 32 from the side, and serving as a portion to be pressed by the operator when releasing the lock; It has.

  The lock protection wall portion 40 protects the lock arm portion 30 from unnecessary deformation due to external force by the fitting ensuring portion 50 and a pair of guide side walls 41 and 41 that guide the movement of the fitting ensuring portion 50 in the sliding direction. It is a wall.

Of the walls constituting the lock protection wall 40, the fitting security part 50 includes a part of the wall including the front protection wall 51 in the fitting direction at the temporary locking position and the main locking position in the fitting direction. The wall is slidably movable.
When the first connector housing 10 and the second connector housing 20 are in a half-fitted state, the fitting ensuring part 50 is in the middle of the sliding movement from the temporary locking position to the final locking position, and the locking protrusion 11b. It is detected that the first connector housing 10 and the second connector housing 20 are in a semi-fitted state by the lock arm portion 30 in the raised state interfering with the front protective wall 51 in the fitting direction. It is a thing.
Further, when the first connector housing 10 and the second connector housing 20 are in the fitted state, the fitting ensuring part 50 is forward in the fitting direction so as to prevent the lock arm part 30 from bending in the unlocking direction. The side protection wall 51 is locked in a state where it is disposed.

  More specifically, the fitting ensuring part 50 is a pair of slide guides extending along the fitting direction D between the first connector housing 10 and the second connector housing 20 from both end parts 51 of the front protective wall in the fitting direction. It has a substantially U-shape with one piece 52 and 52.

  A locking protrusion 52a protruding inward is provided at the tip of each slide guide piece 52, 52. The locking protrusion 52a is a temporary locking protrusion 42 provided in a slide guide groove 41a, which will be described later, or The engagement securing part 50 is locked at the temporary locking position and the final locking position on the slide guide groove 41a by being locked by the main locking projection 43.

  The lock protection wall 40 is provided on both sides of the lock arm 30 so as to protect the lock arm 30 along the fitting direction D, and the pair of slide guide pieces 52 and 52 are fitted therein. It has a pair of guide side walls 41 and 41 in which a slide guide groove 41a that is slidably guided in the fitting direction D in the state is formed.

  The pair of guide side walls 41, 41 are walls erected so as to face each other along the fitting direction D with the lock arm portion 30 interposed between the surfaces of the second fitting portion 21 where the lock arm portion 30 is provided. is there.

Each guide side wall 41, 41 is provided with a slide guide groove 41a extending from the front end surface in the fitting direction along the fitting direction.
The slide guide groove 41 a has a groove depth that is such that the outer surface of the guide side wall 41 is in contact with the outer surface of the slide guide piece 52 in a state where the slide guide piece 52 is locked at the temporary locking position or the final locking position. It has been adjusted to be substantially flush.
The slide guide groove 41 a is adjusted so that the length of the groove is substantially equal to the length of the slide guide piece portion 52.
On the bottom surface of the slide guide groove 41 a, the temporary locking projections 42 and the final locking projections 43 are spaced along the fitting direction D, and the temporary locking projections 42 are connected to the final locking projections 43. Compared to the front side in the fitting direction, it is provided.

  As shown in FIGS. 3 and 5, such a fitting ensuring portion 50 has a pair of slide guide pieces 52, 52 fitted in the slide guide grooves 41 a, 41 a in a temporary locking position in the sliding direction. And the pair of slide guide pieces 52 and 52 are combined with the pair of guide side walls 41 and 41 to protect the lock arm 30 from both sides along the fitting direction D. And a wall for protecting the lock arm portion 30 from the front side in the fitting direction by the fitting direction front side protective wall 51.

Further, since the fitting securing portion 50 is permanently locked, the slide guide grooves 41a of the respective guide side walls 41 are substantially filled with the respective slide guide piece portions 52. Therefore, the guide side walls 41 are inserted into the slide guide grooves 41a. It is possible to prevent the strength from being reduced by reducing the wall thickness at the portion where the film is formed.
In other words, the lock protection wall portion 40 having a sufficient strength to protect the lock arm portion 30 from unnecessary deformation due to external force is constituted by the fitting ensuring portion 50 and the pair of guide side walls 41, 41. Yes.

Further, the outer surface of the fitting ensuring part 50 is substantially flush with the outer surfaces of the pair of guide side walls 41 and 41 in a state where the pair of slide guide pieces 52 and 52 are fitted in the slide guide grooves 41a.
As a result, the slidingly-engageable fitting security part 50 and the pair of guide side walls 41 and 41 that guide the sliding movement of the fitting security part 50 constitute an integral lock protection wall part 40. .

Next, the procedure for detecting the fitting state between the first connector housing 10 and the second connector housing 20 by using the fitting ensuring part 50 by the operator and the operation of each part of the connector 1 related to this procedure will be described. To do.
First, the operator fits the first connector housing 10 and the second connector housing 20 in a state where the fitting ensuring part 50 is disposed at the temporary locking position.
Here, when the first connector housing 10 and the second connector housing 20 are fitted together, the pair of arm portions 32, 32 are bent so that the lock portion 33 of the second connector housing 20 passes over the lock projection portion 11b. When the portion 33 passes over the lock projection 11b, the pair of arm portions 32 and 32 are elastically restored, whereby the lock by the lock projection 11b and the lock arm 30 is completed.

Thereafter, the operator slides the fitting ensuring part 50 from the temporary locking position to the final locking position (see FIGS. 3 and 5).
Here, when the first connector housing 10 and the second connector housing 20 are in a half-fitted state, as shown in FIG. 6A, the lock portion 33 of the lock arm portion 30 is lifted to the lock projection portion 11b. Since the pair of arm portions 32 and 32 are elastically bent from the neutral position, the fitting ensuring portion 50 is moved from the temporary locking position to the final locking position. The lock arm portion 30 interferes with the front-side protective wall 51 in the fitting direction of the portion 50.
Thereby, the operator cannot know that the fitting ensuring part 50 cannot slide to the final locking position, and the first connector housing 10 and the second connector housing 20 are in a half-fitted state. it can.

Therefore, the operator fits the first connector housing 10 and the second connector housing 20 again.
In this way, when the operator slides the fitting ensuring portion 50 to the full locking position in a state where the first connector housing 10 and the second connector housing 20 are fitted, a pair of the lock arm portions 30 is provided. The arm portions 32, 32 are elastically restored so that there is no bending, and the lock arm portion 30 does not interfere with the protection wall 51 on the front side in the fitting direction of the fitting security portion 50. The movement can be completed to the stop position.
Thereby, the operator can slide the fitting ensuring part 50 to the main locking position, and can know that the first connector housing 10 and the second connector housing 20 are in the fitted state. .

When the fitting ensuring part 50 is moved to the full locking position, the fitting protection part 50 in the fitting direction front side protective wall 51 is connected to the pair of arm parts 32, 32 in the unlocking direction (FIG. 6A). Arranged at a position to prevent bending in the direction of arrow B).
That is, the fitting ensuring part 50 maintains not only the function of detecting the fitting between the first connector housing 10 and the second connector housing 20 but also the fitting state between the first connector housing 10 and the second connector housing 20. Therefore, a double lock function in addition to the lock between the lock arm portion 30 and the lock projection portion 11b is provided.
In such a connector 1, after the fitting ensuring part 50 is slid to the temporary locking position, the unlocking operation part 35 is pressed and the pair of arm parts 32, 32 are unlocked (FIG. 6 ( The fitting lock can be released by bending in the direction of arrow B in a).

  In the connector 1 according to the embodiment of the present invention, the lock protection wall portion 40 serving as a wall protecting the lock arm portion 30 has a part of the wall fitted between the first connector housing 10 and the second connector housing 20. The engagement ensuring part 50 having a detection function for detecting the lock and the finally secured engagement ensuring part 50 has a double lock function for maintaining the lock state of the lock arm part 30. Therefore, the configuration for ensuring the fitting lock between the first connector housing 10 and the second connector housing 20 by the lock arm portion 30 and the configuration of the wall for protecting the lock arm portion 30 from unnecessary deformation due to external force. This can be realized with a simple configuration.

  Further, in the connector 1 according to the embodiment of the present invention, the fitting ensuring part 50 has a simple substantially U-shape and is locked from the front side in the fitting direction and from both side parts along the fitting direction D. A pair of guide side walls 41 that protect the arm portion 30 and guide the slide of the fitting ensuring portion 50 protect the arm portion 30 from both sides in the fitting direction, and guide the fitting ensuring portion 50 and its slide. Since the pair of guide side walls 41, 41 constitute a wall that protects the lock arm portion 30 with a simple configuration, the first connector housing 10 and the second connector housing 20 are fitted by the lock arm portion 30. It is possible to realize a configuration for assuring the combined lock and a configuration of a wall for protecting the lock arm portion 30 from unnecessary deformation due to an external force with a simpler configuration.

  Further, in the connector 1 according to the embodiment of the present invention, when the fitting ensuring part 50 is permanently locked, the slide guide grooves 41a and 41a of the pair of guide side walls 41 and 41 become the slide guide piece parts 52 and 52, respectively. Accordingly, since the guide side walls 41 and 41 are formed at the portions where the slide guide grooves 41a and 41a are formed, it is possible to prevent the strength from being reduced due to the thin wall thickness. As a result, the lock ensuring wall portion 40 having a sufficient strength to protect the lock arm portion 30 from unnecessary deformation due to external force can be constituted by the fitting ensuring portion 50 and the pair of guide side walls 41, 41. .

  Further, in the connector 1 according to the embodiment of the present invention, the fitting ensuring part 50 is integrated with a pair of guide side walls 41, 41, which are other walls constituting the lock protection wall part 40, and the outer surfaces thereof are substantially flush with each other. Since the configuration is simple, a configuration for ensuring the fitting lock between the first connector housing 10 and the second connector housing 20 by the lock arm portion 30 and unnecessary deformation of the lock arm portion 30 due to an external force. It is possible to realize a wall structure that protects from a simple structure.

  In addition, although the connector 1 which concerns on the Example of this invention showed the connector for cameras, the 1st connector housing 10 in which the 1st terminal T1 was provided, and the lock | rock protrusion part 11b provided in the 1st connector housing 10 were shown. A lock arm portion 30 that locks and a lock protection wall portion 40 that protects the lock arm portion 30 with a wall including a front-side protection wall 51 in the fitting direction provided on the front side in the fitting direction with the first connector housing 10. In addition, as long as the connector has the second connector housing 20 in which the second terminal T2 connected to the first terminal T1 is accommodated, the connector may be used for other connectors.

  Moreover, although the connector 1 which concerns on the Example of this invention illustrated what has the holding member 60 and the locking member 70, since these are not essential structures, the holding member 60 and the locking member 70 are used. You may not have.

  The invention made by the present inventor has been specifically described based on the above-described embodiments of the invention. However, the present invention is not limited to the above-described embodiments of the invention and does not depart from the gist thereof. Various changes can be made.

DESCRIPTION OF SYMBOLS 1 Connector 10 1st connector housing 11 1st fitting part 11a Fitting port 11b Locking projection part 12 Case part 12a Flange part 12b Bottom wall part 12c Frame wall part 20 Second connector housing 21 Second fitting part 21a Inner fitting part 21b outer fitting wall 21c fitting port 22 terminal insertion portion 22a terminal insertion port 23 terminal accommodating chamber 30 lock arm portion 31 fulcrum portion 32 arm portion 33 lock portion 34 arm 35 unlocking operation portion 40 lock protection wall portion 41 guide side wall 41a slide Guide groove 42 Temporary locking protrusion 43 Main locking protrusion 50 Fitting securing portion 51 Fitting direction front side protection wall portion 52 Slide guide piece portion 52a Locking protrusion 60 Holding member 70 Locking member 100 Camera housing 200 Lens T1 First One terminal (male terminal)
T2 Second terminal (female terminal)
W Electric wire S1 Elastic seal member S2 Rubber stopper

Claims (4)

A first connector housing provided with a first terminal; a lock arm portion for locking with a locking projection provided on the first connector housing; and the lock arm portion on the front side in the fitting direction with the first connector housing. A second connector housing that has a lock protection wall portion that is protected by a wall including a provided protection direction front side protection wall, and that houses a second terminal connected to the first terminal; A connector comprising:
The lock protective wall is
Among the walls constituting the lock protection wall portion, a part of the wall including the front protection wall in the fitting direction is provided so as to be slidable to the temporary locking position and the main locking position in the fitting direction, In addition, when the first connector housing and the second connector housing are in a half-fitted state, in the middle of the sliding movement from the temporary locking position to the final locking position, It is detected that the first connector housing and the second connector housing are in a semi-fitted state when the lock arm portion interferes with the protective wall in the fitting direction, and the first connector housing And the second connector housing are in a mating state, the main arm in a state in which the front protection wall in the mating direction is disposed so as to prevent the lock arm portion from bending in the unlocking direction. Connector characterized by comprising a fitting guarantee portion being. The fitting security part is
A substantially U-shape having a pair of slide guide pieces extending from both ends of the front-side protective wall in the fitting direction along the fitting direction of the first connector housing and the second connector housing;
The lock protective wall is
Provided on both sides of the lock arm portion so as to protect the lock arm portion along the fitting direction, and is slidably guided in the fitting direction in a state where the pair of slide guide pieces are fitted. Comprising a pair of guide side walls formed with slide guide grooves,
The fitting security part is
The pair of slide guide pieces are moved to the temporary locking position in the sliding direction and the final locking position in a state where the pair of slide guide pieces are fitted in the slide guide grooves of the pair of guide side walls, and the pair of slide guide pieces The portion is combined with the pair of guide side walls to form a wall that protects the lock arm portion from both side portions along the fitting direction, and the locking is performed from the front side in the fitting direction by the fitting direction front side protective wall. The connector according to claim 1, wherein a wall that protects the arm portion is formed. The slide guide groove is
The groove is provided so that the length of the groove is substantially equal to the length of the slide guide piece portion from the front end surface in the fitting direction of the pair of guide side walls along the fitting direction. The connector according to claim 2, wherein the groove is substantially filled with each slide guide piece portion of the pair of slide guide piece portions by being stopped. The fitting security part is
4. The connector according to claim 2, wherein an outer surface is substantially flush with an outer surface of the pair of guide side walls in a state where the pair of slide guide pieces are fitted in the slide guide groove.

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