JPH0511348U - Electrical connector structure - Google Patents

Abstract

(57) [Summary] [Purpose] Be sure to double-lock the connectors so that the connectors cannot be joined together, and the double-lock can be reliably performed. An object is to provide an electrical connector structure that can be mounted. A movable locking member 17 that is separate from the housing 3 and that double-locks a terminal 33 that is inserted and locked in the housing 3 is mated with the mating connector 2 when mating with the mating connector.
Locking part (locking projection) 2 that engages with the locking part 49 of the
5 is provided and the terminal 33 is not double-locked by the movable locking member 17, the lock portion 25 of the connector cannot be engaged with the lock portion 49 of the mating connector 2, and the double locking must be performed. Only after a while, the connectors cannot be joined together and the double locking is performed securely.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric connector structure used in electronic devices and the like.

[0002]

[Prior Art]

 A conventional electrical connector structure of this type is disclosed in Japanese Utility Model Laid-Open No. 63-80771. As shown in FIGS. 16 and 17, this disclosed technique includes a movable locking member 62 for double locking separately from the housing 61 of the male connector 60, and the terminal mounting hole 61a of the housing 61 has a movable locking member 62. The terminal 63 is doubled with respect to the housing 61 by engaging the engaging protrusion 65 of the movable engaging member 62 with the engaging portion 65 of the terminal 64 which is inserted and is engaged by the housing 63 side lance 63. It is designed to be locked.

However, in this electrical connector structure, the housing 61 is provided with the locking lever 67, and in order to provide the locking lever 67 in the housing 61, the housing 61 has a groove-shaped portion at the center thereof. 68 is formed.

Then, the movable locking member 62 is arranged along the housing 61 side, the locking projection 66 is locked to the locking portion 65 of the terminal 63, and the terminal 63 is doubly locked, and the male connector 60 is fixed. It is fitted to a female connector (not shown), and the lock portion 69 of the locking lever 67 is engaged with the lock portion (not shown) of the female connector to connect the female and male connectors. It was

[0005]

[Problems to be solved by the device]

 However, in the above-mentioned conventional example, since the locking lever 67 is on the housing 61 side and is a separate body from the movable locking member 62, the movable locking member 62 is not set in the housing 61. Even in the state (without double locking), the male side connector 60 is fitted to the female side connector, and the lock portion 69 of the locking lever 67 is engaged with the lock portion of the female side connector. There was a problem that it was possible to connect the connectors and it was not possible to confirm whether or not the double locking was done.

Further, a lock lever 67 is provided in the housing 61, and a groove 68 is formed in the center of the housing 61 to provide the lock lever 67 in the housing 61. There is a problem that the terminal 64 cannot be attached to the central portion of 61.

The present invention has been made in view of the above problems, and its purpose is to ensure that the connectors cannot be joined together without double locking. It is an object of the present invention to provide an electrical connector structure which can be double-locked on the housing and can be easily confirmed to be double-locked, and can also be equipped with a terminal at the center of the housing.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a movable locking member, which is separate from the housing and which double-locks the terminal inserted and locked in the housing, at the time of coupling with the mating connector. A feature is that a lock portion that engages with the lock portion of the mating connector is provided.

[0009]

[Action]

 With such a configuration, the lock portion of the connector cannot be engaged with the lock portion of the mating connector unless the movable locking member double-locks the terminal, and the connector must be double-locked without fail. Since they cannot be joined together, the double locking can be reliably performed, and the double locking can be confirmed. Further, since the movable locking member is provided with the lock portion and the housing is not provided with the lock portion, there is no need to provide a groove-like portion for providing the lock portion on the housing side, and the central portion of the housing is not required. You can also attach the terminal.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of an electric connector structure according to the present invention.

The electrical connector structure according to the present invention comprises a male side connector 1 and a female side connector 2 as shown in FIG. The male connector 1 includes a housing 3. The housing 3 has a block-shaped housing body 4 formed by molding an insulating resin material. The housing body 4 has a substrate at the center of the front surface 4a. An insertion concave portion 5 is formed, and terminal mounting hole portions 6 and 7 are formed on both sides of the housing main body 4 with the board insertion concave portion 5 sandwiched therebetween. They are opposed to each other and are formed in a large number at predetermined intervals in the left-right direction of the housing body 4. The terminal mounting holes 6 and 7 are provided with lances 8 and 9 and terminal locking portions 10 and 11, respectively.

A locking piece insertion portion 12 communicating with each terminal mounting hole portion 6 is formed in the one surface portion 4b of the housing body 4, and a locking hole portion 13 is formed in the center of the front side of the one surface portion 4b. There is. Further, the other surface portion 4c of the housing body 4 is formed with a locking piece insertion portion 14 communicating with each terminal mounting hole portion 7, and locking hole portions 15 and 16 are provided in front of and behind the locking member insertion portion 14. Has been formed.

One surface 4b of the housing body 4 is provided with one movable locking member 17, and the other surface 4c is provided with the other movable locking member 18. One of the movable locking members 17 is provided with a movable piece 19 having the same width as that of the housing body 4, and the locking piece 20 is provided on the back surface of the movable piece 19 with the locking piece insertion hole portion 12. The same number as that of the locking pieces 20 is formed, and locking projections 21 are formed on the front portions of these locking pieces 20. Further, an operating portion 22 is formed at the center of the movable piece 20, and an engaging protrusion 23 that projects forward is formed at the center of the front end of the movable piece 20. An engaging portion 24 is formed at the tip portion, and the operating portion 22, the engaging protrusion 23, and the engaging portion 24 are formed in three stages, and the locking protrusion 25 is provided on the upper surface of the engaging protrusion 23. It is provided. The movable locking member 17 configured as described above is connected to both side end portions of the housing body 4 via side-face V-shaped connecting bodies 26 at both side end portions thereof.

The other movable locking member 18 is provided with a movable piece 27 having the same width as the width of the housing body 4, and a locking piece 28 is provided on the back surface of the movable piece 27. The same number as the number of the insertion holes 14 is formed, and a locking projection 29 is formed on the lower front part of these locking pieces 28. An engaging recess 30 is formed at the front end and an engaging protrusion 31 is formed at the rear end at the center of the movable piece 27. The movable piece 27 configured as described above is connected to both end portions of the housing main body 4 at both end portions thereof via the side-face inverted V-shaped connecting members 32.

Terminals 33 and 34 are mounted in the terminal mounting hole portions 6 and 7, respectively. As shown in FIGS. 8 and 9, these terminals 33 and 34 slidably hold the guard portion 35, the cantilever portion 36, and the tip portion of the cantilever portion 36 from the front side to the rear end side thereof. A tension portion 37 and barrel portions 38 and 39 are provided, and a rear portion 40 is provided with a lens portion 40 and a locking portion 41.

The terminals 33 and 34 thus configured are connected to the ends of the electric wire 42, the core wire 43 of the electric wire 42 is crimped by the barrel portion 38, and the jacket 44 of the electric wire 42 is attached to the barrel portion 39. It is crimped. When the terminals 33 and 34 are mounted in the terminal mounting hole portions 6 and 7, the guard portion 35 is fitted and locked to the terminal locking portions 10 and 11, and the lance portion 40 is fitted to the lance portions 8 and 9. When engaged, the cantilever portions 36 of the terminals 33 and 34 face each other and contact each other at their contact points 36a.

As shown in FIGS. 10 to 15, the female connector 2 is provided with a holder-45. The holder-45 has a rectangular box-like body, and its front portion is open. It is a mating connector fitting portion 46. Further, a board insertion hole portion 47 that is long in the left-right direction is formed in the rear surface portion 45a of the holder 45, and a pair of substrate holding plate portions 48 is provided outside the rear surface portion 45a. Substrate engaging projections 48a are formed on the left and right sides of the inner surface of the substrate holding plate portion 48. A lock portion 49 that opens to the mating connector fitting portion 46 is formed at the center of the one surface portion 45b of the holder 45, and a lock projection 49a is formed at the center of the front edge of the lock portion 49. I am doing it.

Further, the left side wall portion 47 a of the board insertion hole portion 47 projects rearward as compared with the right side wall portion 47 b, and this protruding portion is formed as the erroneous insertion prevention portion 50.

As shown in FIG. 10, the board 51 has notches on the left and right of the contact portion 52 of the board body 51a, and the depth dimension L1 of the left notch portion 52a is the depth dimension of the right notch portion 52b. It is larger than L2. Further, left and right engaging hole portions 53 are formed in the substrate body 51a.

Then, the base plate 51 is inserted into the board insertion hole 47 through the board holding plate portion 48 of the holder 45, and the contact portion 52 of the board 51 is inserted into the mating connector fitting portion 46. The female connector 2 is configured by engaging the board engaging protrusion 48 a with the engaging hole portion 53 of the board 51. In this case, the incorrect insertion prevention portion 50 is inserted into the left cutout portion 52a of the substrate 51.

Next, double locking of the terminals 33 and 34 in the male connector 1 and coupling of the female and male connectors 2 and 1 will be described.

In the male connector 1 described above, in the terminals 33 and 34, the guard portions 35 are fitted and locked to the terminal locking portions 10 and 11 of the terminal mounting hole portions 6 and 7, respectively, and the lance portion 40 is formed. It is attached to the housing 3 by being engaged with the lance portions 8 and 9, but in this state, the terminals 33 and 34 are locked to the housing 3 only once. When the terminals 33 and 34 are doubly locked with respect to the housing 3, first, in the case of one terminal 33, one movable locking member 17 is moved to the housing body 4 side by pushing the operation portion 22 thereof. Then, the locking portion 24 of the movable locking member 17 is locked in the locking hole portion 13 of the housing 3, and the locking piece 20 of the movable locking member 17 is inserted into the locking piece insertion portion 12. The locking projection 21 of each locking piece 20 is locked to the locking portion 41 of the terminal 33. In the other terminal 34, the other movable locking member 18 is moved to the housing body 4 side so that the engaging recess 30 at the front end of the movable locking member 18 is locked to the locking portion 15 of the housing 3. Then, the engaging projection 31 at the rear end is locked to the locking portion 16 of the housing 3, and the locking piece 28 of the movable locking member 18 is inserted into the locking piece insertion portion 14 to lock each The locking projection 29 of the piece 28 is locked to the locking portion 41 of the terminal 34.

The female and male side connectors 2 and 1 are connected by fitting the male side connector 1 to the mating connector fitting part 46 of the female side connector 2 and connecting the contact part 52 of the board 51 to the board of the male side connector 1. Insertion Insertion is performed by inserting the contact portion 54 of the contact portion 52 of the substrate 51 into the contact 36a of the cantilever portion 36 of the terminals 33 and 34 by inserting the contact portion 52 into the recess 5. In this case, one of the movable locking members 17 is inserted into the lock portion 49 of the female connector 2 so that the locking projection 49a of the lock portion 49 engages with the locking projection 25 of the movable locking member 17 to lock. ing.

According to the above-described embodiment, the movable locking member 17 that double-locks the terminal 33 inserted and locked in the housing 3 is coupled to the mating connector (female-side connector 2) when mating the mating connector. Since the locking projection 25 that engages with the locking projection 49a of the locking portion 49 of the connector is provided, the locking projection 49a of the connector is used for locking the mating connector when the movable locking member 17 does not doubly lock the terminal 33. It is not possible to engage the protrusion 25, and it is necessary to double-lock without fail, so that the connectors cannot be joined together, and the double-locking can be surely performed. Done.

[0025]

[Effect of the device]

 As described above, according to the present invention, the movable locking member, which is separate from the housing and which double-locks the terminal inserted and locked in the housing, is mounted to the mating connector when mating with the mating connector. Since the lock part that engages with the lock part is provided, the lock part of the connector cannot be engaged with the lock part of the mating connector unless the movable lock member double-locks the terminal. Only after the locking is done, the connectors cannot be joined together, and the double locking can be reliably performed, and the double locking can be confirmed. Also, since the movable locking member is provided with the lock part and the housing is not provided with the lock part, it is not necessary to provide a groove-like part for providing the lock part on the housing side and the central part of the housing is not required. You can also attach the terminal.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an electric connector structure according to the present invention.

FIG. 2 is a front view of a male connector.

FIG. 3 is a view from the direction of FIG. 2A.

FIG. 4 is a rear view of the male connector.

FIG. 5 is a side view of the same.

FIG. 6 is a cross-sectional view taken along the line BB of FIG.

FIG. 7 is a sectional view of a housing of the male connector.

FIG. 8 is a side view of the terminal.

FIG. 9 is a plan view of the same.

FIG. 10 is a plan view of the female connector in an exploded state.

FIG. 11 is a front view of a holder of the female connector.

FIG. 12 is a plan view of the same.

FIG. 13 is a rear view of the same.

FIG. 14 is a side view of the same.

FIG. 15 is a cross-sectional view taken along the line C-C of FIG.

FIG. 16 is a perspective view of a conventional electric connector structure.

FIG. 17 is an explanatory diagram of a double-locked state of terminals in the conventional electric connector structure.

[Explanation of symbols]

 3 Housing 17 Movable Locking Member 25 Lock Part (Lock Protrusion) 33 Terminal 49 Lock Part

Claims (1)

[Claims for utility model registration] [Claim 1] A movable locking member, which is separate from the housing and which double-locks the terminals inserted and locked in the housing, mates with the mating connector when mated. An electrical connector structure comprising a lock portion that engages with a lock portion of the connector.