JP2009134898A - Electrical connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrical connector with a structure in which a workability in a process for locking coupling between mutually mating connectors of the electrical connector can be improved. <P>SOLUTION: The electrical connector is provided with a wire side connector 1, 201, a base board side connector 2, 202, and locking members 121, 321 for locking a coupling status of each of these connectors. The locking members 121, 321 project from a base body 123, 323 and have holding portions 124, 125, 324 for regulating a position of the coupling status of the connectors and projected portions 122, 322. The projected portions 122, 322 are supported slidable on the base board side connectors 2, 202 by supporting members 151, 332, 333. Since hooking portions 130, 325, 326 provided on the projected portions 122, 322 contact with a part of receptacle housings 101, 301, the locking members 121, 321 do not come off from the receptacle housings 101, 301. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electrical connector, and more particularly to a lock structure for an electrical connector.

  Conventionally, an electrical connector is used for an application that is mounted on a substrate such as a printed circuit board and connected to another electrical circuit or the like. The electrical connector is composed of, for example, an electric wire side connector and a board side connector, and includes a lock structure for holding the two so as not to leave.

  As a lock structure of an electrical connector, a mechanism for locking by providing engaging portions on both the electric wire side connector and the board side connector and engaging each other is common. Furthermore, a technique for securely locking the fitting state between the connectors by a lock member other than the two connectors has been proposed (see, for example, Patent Document 1).

  Here, a conventional connector provided with a lock mechanism using a lock member will be described with reference to FIG. The connector shown in FIG. 34 is mainly composed of a male connector 801 and a female connector 802. An insertion lock plate 803 corresponding to a lock member is attached to the female connector 802 in a slidable state. When the male connector 801 is inserted into the female connector 802, the insertion lock plate 803 moves upward to the position indicated by the dotted line (the position of the insertion lock plate 803a in FIG. 34). The protrusion 804 thus formed is locked to the hole edge of the insertion hole, and the insertion lock plate 803 is prevented from coming off. Then, when the distal end of the male connector 801 is completely inserted into the inside of the insertion opening of the female connector 802, the connection terminals of the two are connected to each other, and the electrical connection between the connectors is completed. Further, when the insertion lock plate 803 is pushed down, a part of the insertion lock plate 803 is engaged with a part of the male connector 801, and the fitting state between the connectors is locked.

JP-A-9-55264

  As described above, in the conventional connector, the insertion lock plate 803 is temporarily fixed to the female connector 802 by the projections such as the projections 804, but is locked based on the deformation return of the projections 804 deformed at the time of insertion. Therefore, those skilled in the art will understand that if an external force is applied to the insertion lock plate 803 in a direction away from the female connector 802, it will be easily removed.

  If the insertion lock plate 803 is easily detached from the female connector 802, the risk of losing the insertion lock plate 803 is increased, and the number of work steps for attaching the insertion lock plate 803 to the female connector 802 is increased. Problems occur.

  The present invention has been made to solve such a problem, and an object of the present invention is to provide an electrical connector having a structure capable of improving workability in a process of locking fitting between connectors.

An electrical connector according to the present invention includes a first connector having a first housing provided with a first terminal, and a second connector provided with a second terminal connected to the first terminal. A second connector that has a housing and is mounted on the substrate with its bottom surface in contact with the housing, and is slidable with respect to the second connector, and maintains a fitted state of the first connector and the second connector. An electrical connector including a locking member, the locking member protruding from the base, and a holding portion that positions the first connector and the second connector in a fitted state; and A protrusion projecting from the base to the projecting side of the holding part, and supporting the holding part slidably with respect to the second housing; provided on the projecting part; In contact with the second housing The second connector is provided on a second housing and a support portion that slidably supports the protruding portion of the lock member, and the hook is provided on the second housing. A contact portion that prevents the lock member from coming out of the second housing by contacting the portion. As described above, the electrical connector according to the present invention prevents the lock member from being separated from the second housing by the hooking portion and the abutting portion, so that the loss of the lock member does not occur and the lock member can be reattached. Since no labor is required, the workability of the process of locking the fitting between the connectors can be improved.

  An electrical connector according to another aspect of the present invention includes a first connector having a first housing in which a first terminal is disposed, and a second terminal connected to the first terminal. And a second connector mounted on the board with its bottom surface in contact with the second housing, and slidable with respect to the second connector, and fitting between the first connector and the second connector. An electrical connector including a lock member that maintains a combined state, wherein the lock member protrudes from the base body and holds the position of the first connector and the second connector in a fitted state. A protrusion that protrudes from the base to the side where the holding portion protrudes, and that supports the holding portion so as to be slidable with respect to the second housing, and is provided on the protruding portion. A part of the A hook portion for preventing the second housing from coming out from the back side of the second housing, the second connector accommodating a protruding portion of the lock member, and a groove portion having an opening on the bottom surface side of the second housing; Provided in the second housing is provided with a back rib for preventing the lock member from coming out of the second housing by coming into contact with the hooking portion. As described above, the electrical connector according to the present invention prevents the lock member from being separated from the second housing by the hook portion and the back rib, so that the loss of the lock member does not occur and the trouble of reattaching the lock member is eliminated. Therefore, the workability of the process of locking the fitting between the connectors can be improved.

  Here, the holding portion is a first holding portion that contacts the first housing when the connectors are fitted together, and a second holding portion that contacts the second housing when the connectors are fitted together. It can comprise by a part.

  The second housing has a notch provided on the back surface thereof, and when the protrusion of the lock member is slid, the notch is inserted in the front-rear direction with the protrusion inserted. It is preferable to move. Such an opening is blocked by, for example, a substrate, and thus the lock member can be prevented from coming off.

  Further, it is desirable that the hook portion is formed at the tip of the protruding portion of the lock member and is wider than the notch portion. With such a configuration, since the hooking portion is locked inside the notch, it is possible to prevent the locking member from coming out of the second housing.

  Further, a part of the opening of the groove provided on the bottom surface side of the second housing includes a bottom rib that slidably supports the protruding portion, and the other part can insert the protruding portion from the bottom surface side. It is desirable to have a notch that is formed wide. Accordingly, the lock member can be easily inserted from the opening, and even before being mounted on the substrate, the lock member can be prevented from coming out of the second housing by shifting after the insertion.

  An electrical connector according to another aspect of the present invention includes a first connector having a first housing in which a first terminal is disposed, and a second terminal connected to the first terminal. And a second connector mounted on the board with its bottom surface in contact with the second housing, and slidable with respect to the second connector, and fitting between the first connector and the second connector. An electrical connector including a lock member that maintains a combined state, wherein the lock member protrudes from the base body and holds the position of the first connector and the second connector in a fitted state. A protrusion that protrudes from the base to the side where the holding portion protrudes, and that supports the holding portion so as to be slidable with respect to the second housing, and is provided on the protruding portion. A part of the A hook portion for preventing the second housing from coming out from the back side of the second housing, and the second connector is capable of sliding the groove portion for accommodating the protrusion portion of the lock member and the protrusion portion accommodated in the groove portion. And a step part which is provided in the groove part and prevents the lock member from coming out of the second housing by contacting the hook part. As described above, the electrical connector according to the present invention prevents the lock member from being separated from the second housing by the hooking portion and the abutting portion, so that the loss of the lock member does not occur and the lock member can be reattached. Since no labor is required, the workability of the process of locking the fitting between the connectors can be improved.

  Here, the holding portion is a first holding portion that contacts the first housing when the connectors are fitted together, and a second holding portion that contacts the second housing when the connectors are fitted together. It can comprise by a part.

The reinforcing member is fixed to the second housing and supports the protruding portion at one end.
It is desirable that the other end is fixed to the substrate.

  Further, it is preferable that the protruding portion is composed of a first protruding portion and a second protruding portion that protrude from the both end portions of the base body substantially perpendicularly to the base body. With such a configuration, the fitting between the connectors can be reliably locked without causing a twist between the lock member and the second housing.

  Further, it is desirable that the position of the first projecting portion and the second projecting portion is regulated by a reinforcing member outside the fitting concave portion of the second connector into which the first connector is inserted. With such a configuration, the length of the connector can be shortened in the direction in which the first protrusion and the second protrusion protrude.

  ADVANTAGE OF THE INVENTION According to this invention, the electrical connector which has a structure which can improve the workability | operativity of the process of locking fitting between connectors can be provided.

Embodiment 1 of the Invention
FIG. 1 is a perspective view showing the electrical connector according to the first embodiment, and shows a state before fitting. As shown in the figure, the electrical connector according to the first embodiment is a wire-to-board connector provided with a wire-side connector 1 and a board-side connector 2. The electrical connector includes a wire side connector 1 corresponding to a first connector, a board side connector 2 corresponding to a second connector, and a lock member 121. The electric wire side connector 1 is a plug connector, and is connected to the end of the cable. The board-side connector 2 is a receptacle connector and is mounted on a circuit board with its bottom face in contact. The lock member 121 is a member that is slidable with respect to the board-side connector 2 and maintains the fitting state between the electric wire-side connector 1 and the board-side connector 2.

  In the present embodiment, the direction in which the electric wire 21 is led out in FIG. 1 is the back surface (rear), and the side where the later-described bulging portion 14 is formed in the opposite direction is the front surface (front). The left side in the longitudinal direction of both connectors toward the front is the left side, the opposite direction is the right side, the side of the board-side connector 2 attached to the board is the lower side, and the opposite side is the upper side.

As shown in FIG. 1, the electric wire side connector 1 is connected to an end portion of a cable including a plurality of electric wires 21. In this example, two cable ends are connected to the wire-side connector 1 in the vicinity of both ends in the longitudinal direction of the wire-side connector 1. A terminal 51 is attached to the tip of the electric wire 21 as shown in FIG. The electric wire side connector 1 has a function of electrically connecting a cable to the circuit board via the board side connector 2. In addition, the cable connected to the electric wire side connector 1 is not restricted to a cable provided with an electric wire with a circular cross section, but a flexible flat cable (FFC: Flexible Flat Cable), a flexible circuit board (FPC: Flexible)
It may be a flat flexible cable such as a printed circuit.

  The electric wire side connector 1 includes a plug housing 11. The plug housing 11 is integrally formed of an insulating material such as synthetic resin. The plug housing 11 is a box-shaped member whose outer shape is a substantially rectangular parallelepiped, and the receptacle surface of the board-side connector 2 is arranged such that the opposed surface 40 that faces the board-side connector 2 that is the mating connector faces the bottom surface 107. It is inserted into the insertion recess of the housing 101.

The plug housing 11 is formed with two terminal receiving holes 12a and 12b communicating from the back to the front. The terminal accommodating holes 12 a and 12 b accommodate the electric wire terminal 51 connected to the end of the electric wire 21.
Two lock arms 31 a and 31 b are provided from side surfaces 18 a and 18 b as opposite left and right ends of the plug housing 11 to the front surface 19. The lock arms 31a and 31b are a center lock system having a locking portion at the center of the front surface 19 as a lock surface, but have an important role in enabling lock engagement and release operations at both ends of the connector. Fulfill.

The lock arm 31a is a double-supported beam-like arm member having a plurality of bent portions. One end of the lock arm 31a is integrally connected near the center in the front-rear direction below the right side surface 18a of the plug housing 11, and extends from the connection position in a direction substantially perpendicular to the right side surface 18a. ing. Then, the bent portion is bent upward from the extending portion and extends to substantially the same height as the lower surface of the terminal accommodating hole 12a. This portion is referred to as a first connecting member 32a. The first connecting member 32a is further bent toward the front surface 19 side in the vicinity of the upper end portion thereof and extends substantially parallel to the right side surface 18a until the front surface 19 is exceeded. This portion is referred to as a second connecting member 33a. The second connecting member 33 a is bent toward the center in the vicinity of the right end portion of the front surface 19 and extends in parallel with the front surface 19 toward the bulging portion 14 provided in the center in the longitudinal direction of the front surface 19. This portion is referred to as a third connecting member 34a. Further, the third connecting member 34 a is bent toward the bottom surface side at a position away from the bulging portion 14 by a predetermined distance and extends downward in parallel with the side surface of the bulging portion 14. This portion is referred to as a fourth connecting member 35a. Further, the fourth connecting member 35a is bent toward the bulging portion 14 (ie, the center side) in the vicinity of the bottom surface and extends parallel to the bottom surface, and is integrally connected to the bulging portion 14. This portion is referred to as a fifth connecting member 36a.
Here, the bulging part 14 protrudes from the front surface 19 in a rectangular shape, and the protruding dimension is larger than the length of the fifth connecting member 36a in the protruding direction.

  The first connecting member 32a, the second connecting member 33a, the third connecting member 34a, the fourth connecting member 35a, and the fifth connecting member 36a are rod-like members each having a rectangular cross section. Then, at one end of the lock arm 31a that is the end of the first connecting member 32a and the other end of the lock arm 31a that is the end of the fifth connecting member 36a, the right side surface 18a of the plug housing 11 bulges, respectively. Although connected to the portion 14, other portions of the lock arm 31 a are separated from the right side surface 18 a and the front surface 19 of the plug housing 11 by a predetermined distance.

The first connecting member 32a is formed to be relatively thin so as to be easily bent, and the second and third connecting members 33a and 34a are formed to be relatively thick so as not to cause unnecessary bending. Further, the fourth and fifth connecting members 35a and 36a are connected to the third connecting member 34a via the taper portion 39a, and are formed relatively thin so as to be easily bent.
In particular, the tapered portion 39a is formed in the third connecting member 34a, and is formed thin at the bent portion joined to the fourth connecting member 35a. Also, the fifth connecting member 36a has the same cross-sectional shape as the fourth connecting member 35a, and the fourth and fifth connecting members 35a, 36a are formed to be easily bent including the bent portion.
Therefore, the lock arm 31a is formed by bending the first connecting member 32a, the fourth connecting member 35a including the bent portion, and the fifth connecting member 36a, so that each connecting member is connected to the right side surface 18a of the plug housing 11 or the like. The position relative to the front surface 19 can be changed.

  In the vicinity of the central portion of the portion of the fourth connecting member 35a extending in the vertical direction, an engaging protrusion 37a that protrudes to the front side (that is, the direction away from the front surface 19 of the plug housing 11) is integrally formed. . The upper surface of the engagement protrusion 37a forms a surface perpendicular to the fitting direction of the connectors. The engagement protrusion 37a engages with the engagement protrusion 113a of the board-side connector 2, whereby the fitting state between the connectors is maintained. Since the engagement protrusion 37a protrudes to the front side in this way, the movable range to the inside in the longitudinal direction of the lock arm 31a can be widened.

A cutout portion 38a is provided in a part of the upper surface of the third connecting member 34a. The notch 38a is provided at a position for receiving the protruding portion 13a protruding forward from the lower surface of the terminal accommodating hole 12a. More specifically, in a state where no external force is applied to the lock arm 31a, the protrusion 13a is disposed on the left side in the notch 38a.
That is, the movement amount of the third connecting member 34a is restricted when the movement to the right side is more than the movement to the left side.

  One end of the lock arm 31 b extends from the left side surface of the plug housing 11, and the other end is connected to the left side surface of the bulging portion 14. The basic configuration of the lock arm 31b is the same as that of the lock arm 31a, and the first connection member 32b, the second connection member 33b, the third connection member 34b, the fourth connection member 35b, and the fifth connection. The member 36b, the engagement protrusion 37b, and the notch 38b are respectively the first connection member 32a, the second connection member 33a, the third connection member 34a, the fourth connection member 35a, and the fifth connection in the lock arm 31a. Since it corresponds to the member 36a, the engagement protrusion 37a, and the notch 38a and has the same function, a specific description is omitted.

In this way, since one end of each of the pair of lock arms 31a and 31b extends outward in the left-right direction from the bulging portion 14, the lock arm 31a is also used when performing the fitting operation between the connectors. , 31b can be stabilized, and reliable fitting can be realized.
In the present embodiment, the lock arms 31a and 31b are described as being symmetrical and have the same shape with the bulging portion 14 as the center. However, the lock arms 31a and 31b do not necessarily have the same shape as long as the same function and effect are obtained.
Also, a lock arm movable only on one side may be formed by appropriately setting the strength of the lock arm.
On the side surfaces that are both end surfaces of the plug housing 11 in the longitudinal direction, bulge portions 15a and 15b that bulge in the lower portion of the side surfaces are formed. Protrusions 16a and 16b and recesses 17a and 17b are formed on the upper surfaces of the bulging portions 15a and 15b, respectively.

  Next, the board side connector 2 will be described. The board-side connector 2 includes a receptacle housing 101 that fits with the wire-side connector 1, and the lock member 121 is fitted in the fitting direction of the wire-side connector 1 and the board-side connector 2 (in the case of this embodiment, the vertical direction). It is slidably supported in a perpendicular direction. Each of the receptacle housing 101 and the lock member 121 is integrally formed of an insulating material such as synthetic resin.

  The receptacle housing 101 is a box-shaped member whose outer shape is a substantially rectangular parallelepiped, and has an insertion recess into which the wire-side connector 1 which is a mating connector is inserted. The insertion recess has a substantially rectangular parallelepiped shape with the left-right direction as the longitudinal direction, similar to the outer shape of the receptacle housing 101, and the inner surfaces of the right side wall 102 a, the left side wall 102 b, the front wall 103, and the rear wall 104 that are the side walls of the receptacle housing 101. And the inner surface of the bottom surface 107.

Terminal portions 108 a and 108 b are provided on the bottom surface 107 of the receptacle housing 101. On the outer side surfaces of the right side wall 102a and the left side wall 102b, which are both end faces in the longitudinal direction of the receptacle housing 101, bulging portions 106a and 106b projecting in the left and right direction are formed. The bulging portions 106a and 106b are attached with reinforcing metal fittings 151a and 151b that constitute a support portion that enables the locking member 121, which will be described later, to slide, and support the protruding portions 122a and 122b of the locking member 121 in a slidable manner.
Groove portions 106a and 106b are provided with groove portions 105a and 105b in which the protruding portions 122a and 122b of the lock member 121 are accommodated. Step portions 160a and 160b are provided on the bottom surfaces of the groove portions 105a and 105b (see FIGS. 9 and 10). Further, mounting holes 109a and 109b for mounting the reinforcing metal fittings 151a and 151b are provided outside the grooves 105a and 105b.

Reinforcing metal fittings 151a and 151b shown in FIG. 2 are members that fix the receptacle housing 101 to the circuit board, and slidably fix the protrusions 122a and 122b of the lock member 121 to the receptacle housing 101 or the circuit board. Nail-like portions 153a and 153b project from one end of the base portions 152a and 152b of the reinforcing metal fittings 151a and 151b, and flanges 154a and 154b are formed at the other end.
The reinforcing metal fittings 151a and 151b are press-fitted into the mounting holes 109a and 109b of the receptacle housing 101, and are fixed in the mounting holes 109a and 109b by a concavo-convex structure formed on the side portions of the base portions 152a and 152b.
The nail-like portions 153a and 153b are further mounted on a circuit board (not shown) through the mounting holes 109a and 109b. Therefore, since the reinforcing metal fittings 151a and 151b are firmly fixed to the receptacle housing 101 and the circuit board when mounted on the circuit board, the protrusions 122a and 122b can slide in the front-rear direction. Movement in direction is substantially limited.

  The flange pieces 154a and 154b are formed to be bent substantially vertically from the base portions 152a and 152b. The inner surfaces of the flange pieces 154a and 154b have a shape equivalent to the outer shape of the protrusions 122a and 122b so that the protrusions 122a and 122b of the lock member 121 can be held from above. In particular, since the reinforcing metal fittings 151a and 151b according to the first embodiment are provided with the two flange pieces 154a and 154b having the same inner surface, the protrusions 122a and 122b can be stably held. .

  Cutout portions 117a and 117b are formed in the lower portion of the rear surface side of the bulging portions 106a and 106b. The notches 117a and 117b regulate the position between the lock member 121 and the receptacle housing 101 so as to be in contact with the inner upper surface of the lower plug holding portion 125a of the lock member 121. For this reason, the protrusion part 114a and the recessed part 115a are formed in the lower surface of the notch parts 117a and 117b.

  A gap 140 is provided at the center of the front wall 103. The width W1 of the gap 140 has a width W2 corresponding to the distance from the outer surface of the fourth connecting member 35a in the lock arm 31a of the wire side connector 1 to the outer surface of the fourth connecting member 35b in the lock arm 31b. is doing. Accordingly, in a state where the connectors are fitted to each other, the fourth connecting members 35a and 35b are accommodated in the gap. With such a configuration, it is possible to reduce the size of the connector without generating a useless space in the connector structure.

  Rib members 111a and 111b extending to the front side are integrally formed at the upper end portion of the front wall 103 of the receptacle housing 101. Further, rib members 112 a and 112 b are provided on the side surfaces 110 a and 110 b forming the gap 140 of the front wall 103 substantially perpendicular to the bottom surface 107. The rib members 112a and 112b are raised one step higher than the rib members 111a and 111b, and the upper portion is formed wider than the lower portion. In the vicinity of the upper ends of the rib members 112a and 112b, engaging projections 113a and 113b are integrally formed so as to protrude toward the side having the gap 140, that is, the center side. The engagement protrusions 113a and 113b engage with the engagement protrusions 37a and 37b when the electric wire side connector 1 and the board side connector 2 are fitted, and the engagement state between the electric wire side connector 1 and the board side connector 2 is changed. Is maintained. The engagement protrusions 113a and 113b and the engagement protrusions 37a and 37b constitute a lock mechanism.

  The front side surfaces of the engagement protrusions 113a and 113b constitute the same surface as the outer surfaces of the rib members 111a, 111b, 112a, and 112b. Further, since the lower surfaces of the engagement protrusions 113a and 113b are substantially perpendicular to the side surfaces 110a and 110b of the front wall 103, that is, a surface perpendicular to the fitting direction of both connectors, the engagement protrusion 37a of the wire side connector 1 is used. , 37b can be brought into surface contact with each other, and the engaged state can be kept stable. Furthermore, since the upper surfaces of the engagement protrusions 113a and 113b are inclined surfaces 116a and 116b inclined downward with respect to the side surface of the side wall 103 that contacts the gap, the wire side connector 1 is fitted to the board side connector 2. When doing so, a part of the lower surface of the engagement protrusions 37a, 37b moves in the center direction while sliding on the inclined surface, so that it is possible to smoothly transition to the engagement state. The width in the front-rear direction of the engagement protrusions 113a and 113b is substantially the same as the protruding length of the engagement protrusions 37a and 37b. Therefore, in a state where the connectors are fitted to each other, the rear side surfaces of the engagement protrusions 113a and 113b are located on the front side of the front side surfaces of the fourth connecting members 35a and 35b of the wire side connector 1.

  The board-side connector 2 is a so-called straight type connector, and is mounted so that the back surface of the bottom surface 107 of the board-side connector 2 is in contact with the surface of the circuit board. For this reason, the insertion recess opens with the insertion opening facing upward, and extends perpendicular to the main surface of the circuit board. And each side wall 102-104 of the receptacle housing 101 becomes substantially perpendicular | vertical with respect to the main surface of a circuit board.

  The lock member 121 is supported so as to be slidable in the front-rear direction with respect to the receptacle housing 101. The locking member 121 is disposed at a position separated from the receptacle housing 101 in a stage before the plug connector 1 is fitted to the receptacle connector 2, and after the wire-side connector 1 is fitted to the board-side connector 2. The wire side connector 1 is fixed to the board side connector 2 by sliding forward.

  As shown in FIG. 2, the lock member 121 is integrally formed with two projecting portions 122 a and 122 b extending to the front side at both ends in the longitudinal direction of the board-side connector 2. The protrusions 122a and 122b support upper plug holding portions 124a and 124b and lower plug holding portions 125a and 125b, which will be described later, so as to be slidable with respect to the receptacle housing 101. The cross sections of these protrusions 122a and 122b are rectangular. A hook 130 is integrally formed at the tip of each of the protrusions 122a and 122b. The hook 130 is a hook that is bent in a hook shape in a downward direction substantially perpendicular to the protrusion direction of the protrusions 122a and 122b (ie, the front direction). Has been. The hook portions 130 a and 130 b abut on a stepped portion 160 a provided on the bottom surface of the groove portions 105 a and 105 b of the board-side connector 2, thereby preventing the lock member 121 from coming out of the receptacle housing 101 backward.

  The protrusions 122a and 122b protrude from both ends of the base 123 in a direction substantially perpendicular to the main surface of the base 123, and are connected and held by the base 123. The base 123 in this example is a plate-like member, but is not limited to this and may be a rod-like member.

  Upper plug holding portions 124a and 124b are formed integrally with the protrusions 122a and 122b and the base 123 above the protrusions 122a and 122b, respectively. That is, the upper plug holding portions 124a and 124b protrude from the same surface as the surface on which the protruding portions 122a and 122b are formed. The upper plug holding portions 124 a and 124 b have a function of holding the electric wire side connector 1 by contacting a part of the electric wire side connector 1. The upper plug holding portions 124a and 124b are hollow box-like members, and are provided to extend both at the center side and the outer side in the longitudinal direction of the board-side connector 2 from the position where the projecting portions 122a and 122b are provided. Yes. Among them, protrusions 126 a and 126 b are integrally formed on the lower surface of the portion extending toward the center in the longitudinal direction of the board-side connector 2.

Lower plug holding portions 125a and 125b are formed below the projecting portions 122a and 122b in succession to the upper plug holding portions 124a and 124b. The lower plug holding portions 125a and 125b guide the movement of the locking member 121 when locking the connectors, and are positioned by fitting with a part of the receptacle housing 101. Further, the lower plug holding portions 125a and 125b come into contact with a part of the board side connector 2 when the lock member 121 is slid forward in a state where the electric wire side connector 1 and the board side connector 2 are fitted. And has a function of holding the board-side connector 2.
That is, the upper plug holding portions 124a and 124b and the lower plug holding portions 125a and 125b hold the fitted wire-side connector 1 and the board-side connector 2 so as to be sandwiched from above and below, and the direction in which the respective connectors are detached. It has a lock function that regulates the displacement to the.

  FIG. 3 is a perspective view showing the electrical connector according to the first embodiment, in which the lower part of the electric wire side connector 1 is inserted into the insertion recess of the board side connector 2 and the connectors are fitted together. The terminals 51a and 51b of the electric wire side connector 1 and the terminals 155a and 155b of the board side connector 2 are connected. The lock member 121 is located at a position away from each connector, and shows a state where the lock member 121 does not lock both connectors.

  In the fitted state, the second connecting members 33a, 33b and the third connecting members 34a, 34b of the electric wire side connector 1 are in contact with the upper end surfaces of the side walls 102, 103, 104 of the board side connector 2 or slightly above. It is arranged at a separated position. Further, the lower surface of the bulging portion 14 of the electric wire side connector 1 and the lower surfaces of the fifth connecting members 36a and 36b are in contact with the bottom surface of the board side connector 2 or are slightly spaced apart from each other. Further, in the fitted state, the engagement protrusions 37a and 37b of the electric wire side connector 1 and the engagement protrusions 113a and 113b of the board side connector 2 are in an engaged state, and the electric wire side connector 1 and the board side connector 2 are separated. Is suppressed.

  FIG. 4 is a perspective view showing the electrical connector according to the first embodiment, in which the lock member 121 is disposed at a position in contact with the electric wire side connector 1 and the board side connector 2, and the upper plug holding portions 124a and 124b. In addition, a state in which the fitting state between the electric wire side connector 1 and the board side connector 2 is held by the lower plug holding portions 125a and 125b is shown.

  Next, an operation of fitting the wire side connector 1 to the board side connector 2 and further locking the fitted state by the lock member 121 will be described. First, the operator operates the electric wire side connector 1 with fingers or the like and arranges the facing surface 40 of the electric wire side connector 1 so as to face the bottom surface 107 of the board side connector 2. Then, the wire-side connector 1 is moved in a direction perpendicular to the main surface of the circuit board, the wire-side connector 1 is inserted into the insertion recess of the receptacle housing 101 of the board-side connector 2, and the wire-side connector 1 is connected to the board-side connector 2. Fit.

  The operator urges the second connecting members 33a and 33b from both sides (outside in the left-right direction) with two fingers toward the center of the connector in the longitudinal direction while pressing both connectors. When an external force acts on the second connecting members 33a and 33b, the first connecting members 32a and 32b are elastically deformed from the side surface of the plug housing 11, and the inner side surfaces of the second connecting members 33a and 33b are changed. It contacts the side surface of the plug housing 11 or moves to the vicinity. In accordance with the movement of the second connecting members 33 a and 33 b, the third connecting members 34 a and 34 b move substantially in parallel toward the longitudinal center of the plug housing 11. At this time, in a state where no external force is acting, the protrusions 13a and 13b are located at the positions close to the bulging portion 14 in the notches 38a and 38b, that is, closer to the center. When the connecting members 34a and 34b move, the projecting portions 13a and 13b move relatively to the positions away from the bulging portion 14 at the notches 38a and 38b, that is, to the end surface side in the longitudinal direction of the plug housing 11. The projections 13a and 13b and the notches 38a and 38b restrict the lock arms 31a and 31b from excessively moving in the left-right direction and the upward direction when viewed from the front. In other words, the protrusions 13a and 13b and the cutouts 38a and 38b function to prevent the lock arms 31a and 31b in the plug housing 11 from being damaged. With this function, the lock arms 31a and 31b can stably move at a desired position, no large distortion occurs locally, and damage to the lock arms 31a and 31b can be prevented.

  Further, when the third connecting members 34a and 34b move in the central direction, the upper ends of the fourth connecting members 35a and 35b are biased and moved in the central direction by the third connecting members 34a and 34b. At this time, since the lower ends of the fourth connecting members 35a and 35b are supported by the fifth connecting members 36a and 36b, their positions do not move. Accordingly, the bent portion between the third connecting members 34a and 34b and the fourth connecting members 35a and 35b and the bent portion between the fourth connecting members 35a and 35b and the fifth connecting members 36a and 36b are Each elastically deforms so as to have an acute angle. And the 4th connection member 35a, 35b which was substantially perpendicular | vertical with respect to the opposing surface 40 of the plug housing 11 in the normal time inclines. Along with this deformation, the engagement protrusions 37a and 37b provided on the fourth connecting members 35a and 35b can move to the center side of the engagement protrusions 113a and 113b of the receptacle connector 2. It is possible to move to the lower side of the engaging projections 113a and 113b without colliding with the mating projections 113a and 113b.

  When the operator releases the application of the external force by moving the fingers away from the second connecting members 33a and 33b, the operator is inclined by the elastic return force of the lock arms 31a and 31b that have been elastically deformed according to the action of the external force. The fourth connecting members 35a and 35b reach a state substantially perpendicular to the facing surface of the plug housing 11, and the engagement protrusions 37a and 37b also return to their original positions. Then, as shown in the front view of FIG. 5, the engagement protrusions 37 a and 37 b are engaged with the engagement protrusions 113 a and 113 b of the board-side connector 2. In this way, in a state where the engaging protrusions are engaged with each other, even if the electric wire side connector 1 is urged in the direction to be removed from the board side connector 2, the two are not separated. In particular, since the electrical connector according to the present embodiment is a center lock type, a state where only one side is locked cannot occur, and can be reliably locked.

  As described above, the electrical connector according to the present embodiment can perform the locking operation and the releasing operation by applying an external force so that both end surfaces in the longitudinal direction of the connector are sandwiched with one hand. Is excellent.

  Next, the locking operation by the locking member will be described using the cross-sectional views of the electrical connector according to the present embodiment shown in FIGS. 6 to 8 are Y1-Y1 cross-sectional views of FIG. Note that the left portion of the electrical connector according to the present embodiment has the same configuration as the right portion, and performs the same locking operation.

  As shown in FIGS. 6 to 8, a protrusion 126a is formed on the lower surface of the upper plug holding portion 124a, and a protrusion 127a is formed on the upper surface of the lower plug holding portion 125a. Further, a protrusion 16 a and a recess 17 a are formed on the upper surface of the bulging portion 15 a formed on the side surface of the plug housing 11. Further, a protrusion 114 a and a recess 115 a are formed on the lower surface of the notch 117 a of the bulging portion 106 a of the receptacle housing 101.

  FIG. 6 shows a state in which the electric wire side connector 1 is fitted from above the board side connector 2, and the lock by the lock member 121 is not performed. As shown in the drawing, the lock member 121 is slidably held by the reinforcing metal fitting 151 a with respect to the board-side connector 2, but is disposed at a position separated from the main body of the receptacle housing 101. Therefore, the upper plug holding portion 124a of the lock member 121 is not in contact with the plug housing 11 and is not held. For this reason, the protrusion 126a formed on the plug holding portion 124a and the protrusion 127a formed on the lower plug holding portion 125a are not in contact with other members.

  The cross-sectional view of FIG. 7 shows a state in which the lock member 121 is moved forward by being pushed forward. In this state, the base 123 of the lock member 121 is not yet in contact with the main body of the receptacle housing 101. At this stage, the protrusion 126 a formed on the upper plug holding portion 124 a is in contact with the rear side surface of the protrusion 16 a of the plug housing 11. The protrusion 127a formed on the lower plug holding portion 125a is in contact with the rear side surface of the protrusion 114a formed on the notch 117a of the bulging portion 106a. When the protrusions are in contact with each other in this manner, the operator can recognize the state with the sense of the finger that is operating, and thus it is understood that the locking operation is in an intermediate stage.

  Further, when the operator pushes the lock member 121 forward, the projection 126a formed on the plug holding portion 124a gets over the projection 16a of the plug housing 11 and fits into the recess 17a. Further, the protrusion 127a formed on the lower plug holding portion 125a also gets over the protrusion 114a formed on the notch 117a of the bulging portion 106a and fits into the recess 115a. The state at this stage is shown in the cross-sectional view of FIG. At this stage, the lower surfaces of the upper plug holding portions 124a and 124b are in contact with the upper surfaces of the bulging portions 15a and 15b of the plug housing 11, and the upper surfaces of the lower plug holding portions 125a and 125b are bulged portions 106a and 106b of the receptacle housing 101. 106b is in contact with the lower surfaces of the notches 117a and 117b, and the upper and lower plug holding portions 124a and 124b and the lower plug holding portions 125a and 125b hold the plug housing 11 and the receptacle housing 101 so as to be sandwiched from above and below. Suppresses the displacement of the housing in the removal direction. Further, since the protruding portions 122a and 122b of the lock member 121 are fixed to the board-side connector 2 by the reinforcing metal fittings 151a and 151b, the wire-side connector 1 cannot be removed from the board-side connector 2. Further, since the protrusions 126a, 126b, 127a, 127b and the recesses 17a, 17b, 115a, 115b are in a fitted state, the lock member 121 cannot be removed with a weak force, and the locked state is stably maintained. It becomes possible.

  Next, the case where the electric wire side connector 1 is removed from the board | substrate side connector 2 is demonstrated. In the state shown in FIG. 5, the operator presses the second connecting members 33a and 33b from both sides (outside in the left-right direction) toward the center in the longitudinal direction of the connector with two fingers.

  When the second connecting members 33a and 33b move toward the center in the longitudinal direction of the connector, the engagement protrusions 37a and 37b and the engagement protrusions 113a and 113b are disengaged, and the electric wire side connector 1 is removed from the board side connector 2. It can be extracted.

  Then, the second connecting members 33a and 33b are urged in the direction of separating both connectors so as to pull up the second connecting members 33a and 33b while pressing the second connecting members 33a and 33b.

  At that time, since a predetermined urging force is required to disengage both connectors, the lock arms 31a, 31b are bent by the first, fourth, and fifth connecting members 32a, 32b, 35a, 35b, 36a, 36b. Although it moves upward, the movement is regulated by the protrusions 13a and 13b. Since the second and third connecting members 33a, 33b, 34a, and 34b are formed to be relatively strong so as not to cause unnecessary bending, the operator does not cause the lock arms 31a and 31b to move excessively. By pulling up the connecting members 33a and 33b, both connectors can be released from the fitted state.

Next, the sliding operation of the lock member will be described with reference to cross-sectional views of the electrical connector according to the present embodiment shown in FIGS. 9 and 10 are Y2-Y2 cross-sectional views of FIG. Note that the left portion of the electrical connector according to the present embodiment has the same configuration as the right portion and performs the same sliding operation.
FIG. 9 shows a cross section when the fitting state of the connectors is locked by the lock member 121. As shown in the drawing, the protrusion 122a of the lock member 121 is accommodated in the groove 105a, and in particular, the hook 130a at the tip of the locking member 121 is provided on the bottom surface of the groove 105a and functions as a contact portion. The lower part of 160a is fitted. Here, the downward projecting length of the hooking portion 130a is substantially equal to the step depth of the step portion 160a. In this state, the front end surface of the protrusion 122a is in a position where it substantially contacts the side wall on the front side of the groove 105a.
FIG. 10 shows a cross section when the lock by the lock member 121 is released. As shown in the drawing, the lock member 121 moves rearward with respect to the connector, and the rear surface of the hook portion 130a at the tip thereof is in contact with the rear side surface of the stepped portion 160a. At this time, since the protruding portion 122a is restricted in the vertical direction by the flange 154a of the reinforcing metal fitting 151a, the protruding portion 122a cannot get over the stepped portion of the stepped portion 160a, and the state shown in FIG. It cannot move backward relative to the connector. This prevents the lock member 121 from coming out of the receptacle housing 101 backward.

  Next, FIG. 11 is a cross-sectional view of the electrical connector according to the first embodiment, and is a cross-sectional view taken along the line XX of FIG. As shown in FIG. 11, the electric wire side connector 1 is provided with a terminal 51 whose perspective view is shown in FIG. 12 in parallel, and the thin-plate-like tip of the terminal 51 is on the board side connector 2 side. Protruding. The board-side connector 2 is provided with terminals 155a and 155b that receive the tips of the terminals 51a and 51b of the wire-side connector 1. The shapes of the terminals 155a and 155b of the board-side connector 2 are shown in FIG. As FIG. 13 shows, the part which receives the front-end | tip part of the terminals 51a and 51b of the electric wire side connector 1 is formed in the forked shape, and the other side is formed in one linear form.

  As described above, according to the electrical connector according to the first embodiment, the protrusions 122a and 122b of the lock member 121 are attached to the board-side connector 2 in a state in which the protrusions 122a and 122b can be slid by the reinforcing metal fittings 151a and 151b. In addition, since the receptacle housing 101 is provided with contact means such as stepped portions 160a and 160b that contact the hook portions 130a and 130b provided on the protrusions 122a and 122b, the lock member 121 is prevented from coming out of the receptacle housing 101. The Thereby, before attaching the electric wire side connector 1 with respect to the said board | substrate side connector 2, or when attaching, the said locking member 121 does not remove | deviate from the board | substrate side connector 2, Therefore The loss of the locking member 121 or the necessity of reattachment Therefore, the workability of the lock process by the lock member 121 is extremely excellent.

Embodiment 2 of the Invention
Next, the structure of the electrical connector according to the second embodiment will be described. FIG. 14 is a perspective view showing the electrical connector according to the second embodiment, and shows a state before fitting.

  In the electrical connector according to the first exemplary embodiment of the invention, the lock members 121 that completely prevent the separation of the electric wire side connector 1 and the board side connector 2 are provided at both ends in the longitudinal direction of the connector. The electrical connector according to aspect 2 is different in that the lock member 321 is provided near the center in the longitudinal direction of the connector. On the other hand, since the other structure of the electrical connector according to the second embodiment is basically the same as that of the first embodiment, detailed description thereof is omitted.

FIGS. 15, 16, and 17 are a top view, a front view, and a right side view of the lock member 321 according to the second embodiment, respectively. As shown in each figure, an upper plug holding portion 324a and a lower plug holding portion 324b are integrally formed so as to protrude forward from the center of the upper end of the rectangular base 323 of the lock member 321. .
When the lock member 321 is slid forward in a state where the wire-side connector 201 and the board-side connector 202 are fitted, the upper plug holding portion 324a comes into contact with a part of the wire-side connector 201 to contact the wire-side connector. 201 has a function of holding. The upper plug holding portion 324a is a thin plate-like member, and a protrusion 329 is formed on the lower surface of the tip portion.
The lower plug holding portion 324b comes into contact with a part of the board-side connector 2 when the lock member 321 is slid forward in a state where the electric wire-side connector 1 and the board-side connector 2 are fitted to each other. It has a function of holding the connector 202.
That is, the upper plug holding portion 324a and the lower plug holding portion 324b hold the wire-side connector 201 and the board-side connector 202 in a fitted state so as to sandwich the connector from the vertical direction, and restrict displacement of each connector in the removal direction. It has a lock function.

  Further, two projecting portions 322a and 322b project from the lower end portion of the base 323 of the lock member 321 in the longitudinal direction from the vicinity of both ends in the forward direction (that is, substantially parallel to the plug holding portion 324). Is formed. The projecting portions 322a and 322b are rod-like members, and projecting convex portions 325a, 325b, 326a, 326b, 327a, and 327b are provided on the left and right side surfaces and the lower surface of the tips of the projecting portions 322a and 322b, respectively, in the three directions of the left and right directions. ing. Among these, the convex portions 325a, 325b, 326a, and 326b function as hooking portions. Concave grooves 330a and 330b are formed on the upper surfaces of the protrusions 322a and 322b along the longitudinal direction thereof. The protrusions 322a and 322b protrude in front of the grooves and behind the protrusions 325a and 325b. Portions 328a and 328b are integrally formed. The height of these protrusions 328a and 328b is approximately the same as the depth of the groove.

  The lock member 321 according to the second embodiment can be slidably attached to the receptacle housing 301 by being inserted from below the bottom surface of the receptacle housing 301. The operation of attaching the lock member 321 to the receptacle housing 301 will be described with reference to FIGS. 18 and FIG. 19, FIG. 20 and FIG. 21, FIG. 22 and FIG. 23 show a perspective view and a sectional view at the same stage, respectively. 19, FIG. 21, and FIG. 23 are the states of FIG. 18, FIG. 20, and FIG. FIG. 24 is a lower cross-sectional view of the state in which the lock member 321 is moved most forward, and is a cross-sectional view taken along the line U-U in FIG. 23. 25 is a lower cross-sectional view in a state where the lock member 321 is moved to the rearmost side, and is a cross-sectional view taken along the line U-U in FIG. 23.

  Here, grooves 310 a and 310 b are provided on the bottom surface of the receptacle housing 301. Bottom ribs 332a, 332b, 333a, 333b having a function as a support portion are provided on the same surface as the bottom surfaces of the grooves 310a, 310b. As a result, an opening having a shape corresponding to the shape of the upper surface of the protrusions 322a and 322b of the lock member 321 is formed on the bottom surface of the receptacle housing 301.

  More specifically, a notch 341a having a width equal to or larger than the width of the convex portion 325a is formed in the bottom rib 332a provided on the right side of the groove 310a, and the convex portion 326a is provided on the bottom rib 333a provided on the left side of the groove 310a. A notch 342a having a width equal to or greater than the width is formed. In addition, a notch 341b having a width equal to or larger than the width of the convex portion 325b is formed in the bottom rib 332b provided on the left side of the groove 310b, and a width equal to or larger than the width of the convex portion 326b is provided on the bottom rib 333b provided on the right side of the groove 310b. A notch 342b having a width is formed. The bottom ribs 332a, 332b, 333a, 333b support the convex portions 325a, 325b, 326a, 326b of the lock member 321 so as to be slidable from below. As shown in FIGS. 24 and 25, the horizontal width of the inner surface 336a of the groove 310a is the length between the tops of the convex portions 325a and 326a provided at the tip of the protruding portion 322a, as shown in the figure. It is almost the same. Further, as shown in the drawing, the width in the left-right direction of the inner surface 336b of the groove 310b is substantially the same as the length between the tops of the protrusions 325b and 326b provided at the tip of the protrusion 322b.

  Further, the back surface 304 of the receptacle housing 301 has notches 343a and 343b that have a shape corresponding to the cross section of the elongated portion of the protrusions 322a and 322b of the lock member 321 and are continuous with the opening formed in the bottom surface. Is formed. Rear ribs 334a, 334b, 335a, and 335b having functions as contact portions are formed on the left and right of the notches 343a and 343b, respectively. The width in the left-right direction at each of the notches 343a and 343b is substantially the same as the long portion of the protrusions 322a and 322b, and the length between the tops of the protrusions 325a and 326a, and between the tops of the protrusions 325b and 326b, respectively. Shorter than the length of. For this reason, in the state where the protrusions 322a and 322b are accommodated in the grooves 310a and 310b, the back ribs 334a, 335a, 334b, and 335b come into contact with the convex portions 325a, 325b, 326a, and 326b, and thus do not come out to the rear side.

  Grooves 310a and 310b having openings and notches 343a and 343b formed in the bottom surface are formed. Protrusions 314a and 314b are integrally formed in the vicinity of the notches 343a and 343b on the upper surfaces (that is, bottom surfaces) of the grooves 310a and 310b.

  As shown in FIGS. 18 and 19, first, the protrusions 322 a and 322 b of the lock member 321 are formed in the grooves 310 a and 310 b from the lower side with respect to the receptacle housing 301 in parallel with the bottom surface of the receptacle housing 301. Insert from the open opening. At this time, the convex portion 325a of the lock member 321 is inserted into the cutout portion 341a, and the convex portion 325b is inserted into the cutout portion 341b. Further, the convex portion 326a is inserted into the notch portion 342a, and the convex portion 326b is inserted into the notch portion 342b. When the protrusions 325a and 325b are located at positions shifted from the positions where they can be inserted into the notches 341a and 311b, the protrusions 322a and 322b of the lock member 321 are the grooves 310a and 310b of the receptacle housing 301. It cannot be inserted into the opening formed in.

  Next, as shown in FIGS. 20 and 21, the operator moves the lock member 321 upward until the protruding portions 322a and 322b are accommodated inside the groove portions 310a and 310b. The upper surfaces of the projecting portions 322a and 322b after the movement are in a state of being substantially in contact with the upper surfaces (bottom surfaces) of the groove portions 310a and 310b formed on the bottom surface of the receptacle housing 301. At this time, as shown in FIG. 21, the protrusions 328a and 328b formed on the protrusions 322a and 322b are more forward than the protrusions 314a and 314b formed on the upper surfaces of the grooves 310a and 310b of the receptacle housing 301. positioned. Further, the front surface of the base 323 of the lock member 121 is located away from the back surface of the receptacle housing 301.

Further, as shown in FIGS. 22 and 23, the operator moves the lock member 321 further away from the rear surface 304 of the receptacle housing 301, that is, to the rear side. Then, as shown in the lower cross-sectional view of FIG. 25, the left and right convex portions 325a, 325b, 326a, and 326b formed on the protruding portions 322a and 322b are rear ribs formed on the rear surface 304 of the receptacle housing 301. Since it contacts 334a, 334b, 335a, 335b, it cannot move any further. In addition, the protrusions 328a and 328b formed in the grooves 310a and 310b of the protrusions 322a and 322b are located rearward over the protrusions 314a and 314b formed on the upper surfaces of the grooves 310a and 310b of the receptacle housing 301. . Therefore, the operator who moves the lock member 321 can recognize from the fingers that the protrusions 328a and 328b have overcome the protrusions 314a and 314b, and can recognize that the lock member 321 has moved to the rearmost position. .
Further, from this state, the lock member 321 is positionally regulated rearward without getting over the protrusions 314 a and 314 b unless it is pushed forward again, and is temporarily held at a position separated from the receptacle housing 301. Thus, the operator can perform work while maintaining the state in which the lock member 321 is separated from the receptacle housing 301.

In a state where the lock member 321 is moved rearward to the position shown in FIGS. 22 and 23, the operator puts the electric wire side connector 201 into the fitting concave portion of the receptacle housing 301 to make the fitting state. The perspective view of FIG. 26 and the right side view of FIG. 27 show a state in which the connectors are in a fitted state and are not yet locked by the lock member 321. In this state, since the receptacle connector 202 is normally mounted on the circuit board so that the bottom surface side of the receptacle housing 301 is in contact with the circuit board, the lock member 321 does not have to be removed from the circuit board. The receptacle housing 301 is not separated, and the slidably held state is maintained.
FIG. 28 is a sectional view taken along the line V2-V2 in FIG. 26 showing the electrical connector in this state. In this state, each of the upper plug holding portion 324a and the lower plug holding portion 324b is located away from the plug housing 211 and the receptacle housing 301, and thus is not locked by the lock member 321.

  Thereafter, the fitting state can be locked by moving the lock member 321 forward. Here, FIG. 29 is a cross-sectional view taken along the line V2-V2 of FIG. 26 showing the electrical connector in this state. As shown in the drawing, the upper plug holding portion 324a of the lock member 321 is in contact with the cutout portion 241 of the plug housing 211 and supports the plug housing 211 from the upper side. In particular, the protrusion 329 of the upper plug holding portion 324 a is fitted into a recess 242 formed on the bottom surface of the notch 241 of the plug housing 211. Further, the lower plug holding portion 324b is in contact with the lower surface of the convex portion 331 formed on the bottom surface side of the receptacle housing 301 and supports the receptacle housing 301 from the lower side. In this state, as shown in the lower cross-sectional view of FIG. 24, the tip surfaces of the protrusions 322a and 322b of the lock member 321 are in a position substantially in contact with the front surfaces of the grooves 310a and 310b.

  30 and 31 are cross-sectional views taken along arrows V2-V2 in FIG. In the cross-sectional view of FIG. 30, the state immediately before the lock member 321 is moved forward and the protrusion 329 of the upper plug holding portion 324a is fitted into the recess 242 formed on the bottom surface of the notch 241 of the plug housing 211 is shown. Show. Further, when the lock member 321 is moved forward, as shown in FIG. 31, the projection 329 is fitted into the recess 242, and the fitted state is locked. A perspective view and a right side view of the electrical connector at this time are shown in FIGS.

As described above, according to the electrical connector according to the second embodiment, the protrusions 322a and 322b of the lock member 321 are attached to the board-side connector 202 in a state in which the protrusions 322a and 322b can slide in the front-rear direction. Before or when the connector 201 is attached to the board-side connector 202, the lock member 121 is not detached from the board-side connector 202, so that the lock member 121 does not need to be lost or reattached. The workability of the locking process by the member 121 is extremely excellent.
As described above, according to the electrical connector of the second embodiment, the protrusions 322a and 322b of the lock member 321 are attached to the board-side connector 2 in a state in which the protrusions 322a and 322b can slide in the grooves 310a and 310b. Since the convex portions 325 a, 325 b, 326 a, and 326 b provided on the portions 322 a and 322 b come into contact with the back ribs 334 a, 334 b, 335 a, and 335 b formed on the back surface 304 of the receptacle housing 301, the lock member 321 is in the receptacle housing 301. It is prevented from exiting. Thereby, before attaching the electric wire side connector 1 to the board side connector 202 or when attaching, the lock member 321 does not come off from the board side connector 202. Therefore, the lock member 321 needs to be lost or reattached. Therefore, the workability of the lock process by the lock member 321 is extremely excellent.

Other embodiments.
The present invention is not limited to the above-described embodiment, and various modifications can be made based on the spirit of the present invention, and they are not excluded from the scope of the present invention.

  For example, in the first embodiment of the present invention, metal reinforcing metal fittings 151a and 151b are used as members for slidably fixing the lock member 121. Good. Further, the reinforcing metal fittings 151a and 151b hold the protrusions 122a and 122b of the lock member 121 from the outside, but may hold them from the inside.

  In the second embodiment of the present invention, the two protrusions 322a and 322b are formed in the left-right direction as the protrusions of the lock member 321. However, the present invention is not limited to this, and only one protrusion is provided near the center. Alternatively, three or more protrusions may be provided.

It is a perspective view of the electrical connector concerning Embodiment 1 of invention, and is a figure which shows the state before fitting. It is a disassembled perspective view of the board | substrate side connector which is a part of electrical connector concerning Embodiment 1 of invention. It is a perspective view of the electrical connector concerning Embodiment 1 of invention, and is a figure which shows the state before the lock | rock by a locking member. It is a perspective view of the electrical connector concerning Embodiment 1 of invention, and is a figure which shows the state after the lock | rock by a locking member. It is a front view of the electrical connector concerning Embodiment 1 of invention. It is sectional drawing of the electrical connector concerning Embodiment 1 of invention, and is the Y1-Y1 arrow perspective view of FIG. It is sectional drawing of the electrical connector concerning Embodiment 1 of invention, and is the Y1-Y1 arrow perspective view of FIG. It is sectional drawing of the electrical connector concerning Embodiment 1 of invention, and is the Y1-Y1 arrow perspective view of FIG. It is sectional drawing of the electric connector concerning Embodiment 1 of invention, and is Y2-Y2 arrow perspective view of FIG. It is sectional drawing of the electric connector concerning Embodiment 1 of invention, and is Y2-Y2 arrow perspective view of FIG. It is sectional drawing of the electrical connector concerning Embodiment 1 of invention, and is XX arrow sectional drawing shown in FIG. It is a perspective view which shows the terminal of the electric wire side connector which is a part of electrical connector concerning Embodiment 1 of invention. It is a perspective view which shows the terminal of the board | substrate side connector which is a part of electrical connector concerning Embodiment 1 of invention. It is a perspective view of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state before fitting. It is a top view of the locking member of the electrical connector concerning Embodiment 2 of invention. It is a front view of the locking member of the electrical connector concerning Embodiment 2 of invention. It is a right view of the locking member of the electrical connector concerning Embodiment 2 of invention. It is a perspective view of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention. It is sectional drawing of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention, and is ZZ arrow sectional drawing of FIG. It is a perspective view of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention. It is sectional drawing of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention, and is ZZ arrow sectional drawing of FIG. It is a perspective view of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention. It is sectional drawing of the board | substrate side connector which is a part of electrical connector concerning Embodiment 2 of invention, and is ZZ arrow sectional drawing of FIG. It is a lower sectional view of the board side connector which is a part of the electric connector concerning Embodiment 2 of the invention. It is a lower sectional view of the board side connector which is a part of the electric connector concerning Embodiment 2 of the invention. It is a perspective view of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state before the lock | rock by a lock member. It is a right view of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state before the lock | rock by a locking member. It is sectional drawing of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state before the lock | rock by a locking member. It is sectional drawing of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state before the lock | rock by a locking member. It is sectional drawing of the electrical connector concerning Embodiment 2 of invention, and is VV arrow sectional drawing of FIG. It is sectional drawing of the electrical connector concerning Embodiment 2 of invention, and is VV arrow sectional drawing of FIG. It is a perspective view of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state after the lock | rock by a lock member. It is a perspective view of the electrical connector concerning Embodiment 2 of invention, and is a figure which shows the state after the lock | rock by a lock member. It is sectional drawing of the conventional connector, and is explanatory drawing which shows the state before a fitting.

Explanation of symbols

1, 201 Electric wire side connector 2, 202 Board side connector 11, 211 Plug housing 12a, 12b, 212a, 212b Terminal receiving hole 13a, 13b, 213a, 213b Protruding part 14, 214 Bulging part 15a, 15b Bulging part 16a, 16b Protrusions 17a, 17b Recesses 21, 221 Electric wires 31a, 31b, 231a, 231b Lock arms 32a, 32b, 232a, 232b First connection members 33a, 33b, 233a, 233b Second connection members 34a, 34b, 234a, 234b Third connecting member 35a, 35b, 235a, 235b Fourth connecting member 36a, 36b, 236a, 236b Fifth connecting member 37a, 37b, 237a, 237b Engaging protrusion 38a, 38b, 238a, 238b Notch 40 239 Opposing surfaces 51a, 51b Child 101, 301 Receptacle housing 102-104, 302-304 Side wall 105a, 105b Groove 106a, 106b, 306a, 306b Swell 107, 307 Bottom 108a, 108b, 308a, 308b Terminal 109 Mounting hole 110a, 110b Side 111a, 111b, 311a, 311b Rib members 112a, 112b, 312a, 312b Rib members 113a, 113b, 313a, 313b Engaging projections 114a, 114b Protruding portions 115a, 115b Recessed portions 116a, 116b Inclined surfaces 117, 241 Notched portions 121, 321 Locking members 122a, 122b, 322a, 322b Protruding part 123, 323 Base 124a, 124b, 324a Upper plug holding part 125a, 125b, 324b Lower plug holding part 126a, 126 Projection part 127a, 127b Projection part 130 Hook part 140 Gap 151a, 151b Reinforcing brackets 152a, 152b Base part 153a, 153b Nail-like part 154a, 154b Hanger piece 155a, 155b Terminal 160 Step part 242 Recess part 310a, 310b Groove part 314a, 314b Projection part 325a, 325b, 326a, 326b, 327a, 327b Protruding portion 328a, 328b Protruding portion 329 Protruding portion 330a, 330b Groove portion 332a, 332b, 333a, 333b Bottom rib 334a, 334b, 335a, 335b Back rib 336 Inner surface 341a, 341b Notch 342a, 342b Notch 343a, 343b Notch
801 Male connector 802 Female connector 803 Insertion lock plate 804 Protrusion

Claims (11)

A first connector (1, 201) having a first housing (11, 211) in which a first terminal (51) is disposed;
A second housing (101, 301) in which a second terminal (155) connected to the first terminal (51) is disposed, and a second housing (101, 301) is mounted on the substrate with the bottom surface in contact with the second housing (101, 301). Connector (2, 202),
Lock members (121, 321) that are slidable with respect to the second connector (2, 202) and maintain the fitting state of the first connector (1, 201) and the second connector (2, 202). And an electrical connector comprising:
The locking members (121, 321) are
A substrate (123, 323);
A holding portion (124, 125, 324) that protrudes from the base (123, 323) and restricts the position of the first connector (1, 201) and the second connector (2, 202) in a fitted state;
The holding part (124, 125, 324) protrudes from the base (123, 323) to the protruding side, and the holding part (124, 125, 324) slides with respect to the second housing (101, 201). Protrusions (122, 322) to be supported,
A hook provided on the projecting portion (122, 322) and contacting a part of the second housing (101, 201) to prevent the second housing (101, 201) from coming out from the back side. Parts (130, 325, 326),
The second connector (2, 202) is
Support portions (151, 332, 333) for slidably supporting the protruding portions (122, 322) of the lock members (121, 321);
The lock member (121, 321) is provided in the second housing (101, 301) and comes out of the second housing (101, 301) by contacting the hooking portion (130, 325, 326). An electrical connector provided with contact portions (160, 334, 335) for preventing the contact. A first connector (201) having a first housing (211) in which a first terminal (51) is disposed;
A second connector having a second housing (301) in which a second terminal (155) connected to the first terminal (51) is disposed, the bottom surface of which is abutted and mounted on the substrate (202)
An electrical connector comprising a lock member (321) that is slidable with respect to the second connector (202) and that maintains a fitted state of the first connector (201) and the second connector (202). There,
The locking member (321)
A substrate (323);
A holding portion (324a, 324b) that protrudes from the base body (323) and restricts the position of the first connector (201) and the second connector (202) in a fitted state;
A protrusion (322) that protrudes from the base (323) to the side where the holding portion (324) protrudes, and supports the holding portion (324) slidably with respect to the second housing (201);
Hooks (325, 326) provided on the projecting part (322) and contacting a part of the second housing (201) to prevent the second housing (201) from coming out. And
The second connector (202)
A groove (310) that houses the protrusion (322) of the lock member (321) and has an opening on the bottom surface side of the second housing (201);
Back ribs (334,) provided on the second housing (301) and preventing the locking member (321) from coming out of the second housing (301) by contacting the hooks (325, 326). 335). The holding part (324)
A first holding portion (324a) in contact with the first housing (322) in a state where the connectors are fitted to each other;
The electrical connector according to claim 2, further comprising a second holding portion (324b) in contact with the second housing (301) when the connectors are fitted to each other. The second housing (301) has a notch (343) provided on the back surface thereof,
When the protrusion (322) of the lock member (321) is slid, the notch (343) moves in the front-rear direction with the protrusion (322) inserted. The electrical connector according to any one of claims 2 to 3.   The said hook part (325,326) is formed in the front-end | tip of the protrusion part (322) of a locking member (321), and is wider than the said notch part (343), The any one of Claims 3-4 The electrical connector according to Item 1. A part of the opening of the groove (310) provided on the bottom side of the second housing (301) includes bottom ribs (322, 323) that slidably support the protrusion (322),
The other part is provided with the notch part (341,342) formed wide so that the said hook part (325,326) can be inserted from the bottom face side, The electrical connector of Claim 3 characterized by the above-mentioned. . A first connector (1) having a first housing (11) in which a first terminal (51) is disposed;
A second connector having a second housing (101) in which a second terminal (155) to be connected to the first terminal (51) is disposed, the bottom surface of which is in contact with the first connector (51) and mounted on the substrate (2) and
An electrical connector comprising a lock member (121) that is slidable with respect to the second connector (2) and that maintains a fitted state of the first connector (1) and the second connector (2). There,
The locking member (121)
A substrate (123);
A holding portion (124, 125) that protrudes from the base (123) and restricts the position of the first connector (1) and the second connector (2) in a fitted state;
Projecting portions (122) projecting from the base (123) to the projecting side of the retaining portions (124, 125) and slidably supporting the retaining portions (124, 125) with respect to the second housing (101). )When,
A hooking portion (130) provided on the protruding portion (122) and contacting a part of the second housing (101) to prevent the second housing (101) from coming out from the back side. Have
The second connector (2)
A groove (105) for accommodating the protrusion (122) of the lock member (121);
A reinforcing member (151) that slidably supports the protrusion (122) accommodated in the groove (105);
Electricity provided with a step portion (160) provided in the groove portion (105) and preventing the lock member (121) from coming out of the second housing (101) by coming into contact with the hook portion (130). connector. The holding part (124, 125)
A first holding portion (124) in contact with the first housing (11) in a state where the connectors are fitted to each other;
The electrical connector according to claim 7, further comprising a second holding portion (125) in contact with the second housing (101) in a state where the connectors are fitted to each other. The reinforcing member (151) is fixed to the second housing (101),
Supporting the protrusion (122) at one end;
The electrical connector according to claim 7, wherein the electrical connector is fixed to the substrate at the other end.   The projecting portion (122) includes a first projecting portion (122a) and a second projecting portion (122b) that project from both ends of the base body (123) substantially perpendicularly to the base body (123). The electrical connector according to claim 7, wherein the electrical connector is provided.   The first projecting portion (122a) and the second projecting portion (122b) are provided with reinforcing members on the outer side of the fitting recess of the second connector (2) into which the first connector (1) is inserted. The electrical connector according to claim 10, wherein the position is regulated by (151).

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