CN103811886A - Electrical connector for circuit substrate and electrical connector assembly - Google Patents

Electrical connector for circuit substrate and electrical connector assembly Download PDF

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Publication number
CN103811886A
CN103811886A CN201310529705.8A CN201310529705A CN103811886A CN 103811886 A CN103811886 A CN 103811886A CN 201310529705 A CN201310529705 A CN 201310529705A CN 103811886 A CN103811886 A CN 103811886A
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connector
mentioned
terminal board
column direction
board column
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CN201310529705.8A
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CN103811886B (en
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绿川和弥
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Hirose Electric Co Ltd
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Hirose Electric Co Ltd
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Abstract

The invention discloses an electrical connector for a circuit substrate and an electrical connector assembly, which can increase the protruding amount of a locking part of a locking metal piece disposed at the electrical connector for a circuit substrate, and can ensure the stable locking state of the locking part. The locking metal piece (30) comprises a base part which extends along the arranging direction of the terminal and is disposed at the lower part of a housing (10), a vertical part which erects upwardly from a part of the base part within the range of an end wall (14) along the arranging direction of the terminal, and a locking part which protrudes from the upper part of the vertical part to the end wall and can be clamped with a locked part disposed at a matched connector. The base part of the locking metal piece is provided with an elastic deforming part. During the embedding process of a connector, when an external force of the arranging direction of the terminal is provided, the elastic deforming part conducts elastic deformation at the arranging direction of the terminal, enabling the vertical part and the locking part to move away from the end wall of the locking metal piece.

Description

Circuit board electrical connector and electric connector assembly
Technical field
The present invention relates to circuit board electrical connector and possess the electric connector assembly of this circuit board electrical connector and mating connector, wherein, this circuit board electrical connector is configured on the installed surface of circuit substrate, and mating connector is to be connected with this circuit board electrical connector is chimeric as connector plugging direction from top with the rectangular above-below direction of above-mentioned installed surface.
Background technology
This electric connector assembly is for example disclosed in patent documentation 1.In this patent documentation 1, for the socket side housing of socket connector, its flat shape is rectangular, and arranges and maintain receptacle-side terminal as terminal board column direction take its length direction.Above-mentioned socket side housing has with the opposed diapire of installed surface of a side circuit substrate, towards holding up and the prominent wall extending along above-mentioned terminal board column direction and the perisporium that is formed as frame shape and holds up towards top from above-mentioned diapire to surround the mode of this prominent wall from above-mentioned diapire with the rectangular top of above-mentioned installed surface, between this perisporium and above-mentioned prominent wall and towards the space of the ring-type of upper opening, be formed as the incorporating section of the fitting portion for receiving pin connector.Above-mentioned perisporium has two socket side sidewalls extending along above-mentioned terminal board column direction and along extending with the rectangular connector Width of above-mentioned terminal board column direction and by socket side the end wall connected to each other end on the above-mentioned terminal board column direction of above-mentioned socket side sidewall.
The be positioned at terminal of above-mentioned socket side housing on above-mentioned terminal board column direction arranged extraneous both ends and maintained socket side locking metalwork.By die-cut metallic plate and then this metallic plate is bent upwards make this socket side locking metalwork in thickness of slab side, this socket side locking metalwork has tongue-shaped snap-latch piece, this snap-latch piece from the upper genesis of the band-like portions of extending along socket side end wall in incorporating section lateral bend and then extension downwards.This snap-latch piece can carry out strain in terminal board column direction that is the thickness of slab direction at this snap-latch piece, and brings into play function as being used for the socket side sticking department of pin connector locking.
On the other hand, the plug side housing of pin connector is arranged and is maintained plug side terminal take its length direction as terminal board column direction.Above-mentioned plug side housing has perisporium, this perisporium comprises two plug side sidewalls extending along the direction identical with above-mentioned socket side sidewall and extends and by the end plug side end wall connected to each other on the above-mentioned terminal board column direction of above-mentioned plug side sidewall along the directions identical with above-mentioned socket side end wall, this perisporium be formed as under jogged state of connector from above enter the fitting portion in the incorporating section of the ring-type that is formed at above-mentioned socket side housing.
The be positioned at terminal of above-mentioned plug side housing on terminal board column direction arranged extraneous both ends and maintained plug side locking metalwork.Thereby by die-cut metallic plate and then this metallic plate is bent upwards make this plug side locking metalwork in thickness of slab side, this plug side locking metalwork has tabular engaging protrusion, this engaging protrusion have from the lateral surface of plug side end wall stretch out towards terminal board column direction outside and with the rectangular plate face of above-below direction.This engaging protrusion is as at its outstanding side front end and extract the upper plug side sticking department locking with the lower edge engagement of the above-mentioned snap-latch piece as socket side sticking department of direction (top) at connector and bring into play function.
In the connector assembly of this patent documentation 1, in the chimeric process of connector, the locking protrusion of plug side locking metalwork in the time declining, utilize its front end press towards terminal board column direction outside (thickness of slab direction) socket side locking metalwork snap-latch piece plate face and make this plate face equidirectional to carry out elasticity displacement, thereby allow the further decline of above-mentioned locking protrusion, if above-mentioned locking protrusion arrives than position on the lower of above-mentioned snap-latch piece and is formed as jogged state of connector, above-mentioned snap-latch piece turns back to free state, thereby the lower edge that makes this snap-latch piece is positioned at the top of above-mentioned locking protrusion.Its result, in the time that the pin connector effect under jogged state of connector has upward the external force of (connector is extracted direction), because above-mentioned engaging protrusion is limited to upward the lower edge of above-mentioned snap-latch piece, thereby maintain connector lock-out state each other.
Patent documentation 1: TOHKEMY 2011-065861
In patent documentation 1, in the time that the pin connector effect under jogged state of connector has the external force upward as unexpected withdrawal force, the snap-latch piece of socket side locking metalwork is subject to the above-mentioned withdrawal force upward from the engaging protrusion of plug side locking metalwork at the lower edge of above-mentioned snap-latch piece.But, the size that above-mentioned snap-latch piece can be limited to the part of above-mentioned locking protrusion only can be guaranteed the thickness of slab size of this snap-latch piece, therefore above-mentioned locking protrusion is positioned at the position of staggering above-mentioned thickness of slab size on terminal board column direction with respect to above-mentioned snap-latch piece, thereby cannot realize connector locking each other.In addition, because above-mentioned snap-latch piece is made as a part for socket side locking metalwork, its thickness is identical with the thickness of other parts, and therefore above-mentioned thickness of slab size exists limit.
Therefore, in the circuit board electrical connector of the such pattern of patent documentation 1, in order to ensure with the stable lock-out state of mating connector, preferably, thereby the overhang that increases socket side sticking department increase can with the scope of the part of plug side sticking department engagement, and, lock and by latch-release in the mode that makes socket side sticking department can move the distance corresponding with above-mentioned scope.
Summary of the invention
In light of this situation, problem of the present invention is, circuit board electrical connector is provided and possesses the electric connector assembly of this circuit board electrical connector and mating connector, wherein, for this circuit board electrical connector, the overhang of the sticking department of the locking metalwork that is arranged at circuit board electrical connector can be increased, thereby sticking department stable lock-out state each other can be guaranteed.
As mentioned above, in order to ensure the connector of circuit board electrical connector stable lock-out state each other, need to increase the overhang of the sticking department of this circuit board electrical connector.In addition, for under jogged state of connector, make the locked portion of mating connector be positioned at can with the position of above-mentioned sticking department engagement, in the chimeric process of connector, must be formed as allowing to move along terminal board column direction because of above-mentioned sticking department the movement downward of the locked portion of the mating connector producing.
As Patent Document 1, in the situation that sticking department is arranged to end wall side, for fear of the maximization of the connector on terminal board column direction, in the chimeric process of connector, need to make above-mentioned sticking department side shifting and being accommodated in above-mentioned wall thickness range outside terminal board column direction.But even if increase the overhang of sticking department, the wall thickness that only increases end wall in order to receive sticking department also can cause the maximization of the connector on terminal board column direction, therefore, nature can be restricted.The present invention is on the basis of having considered above-mentioned situation and first below having realized invention and the second invention.
(the first invention)
The circuit board electrical connector related for the first invention, it is disposed on the installed surface of circuit substrate and to be connected from top and its are chimeric as connector plugging direction makes mating connector with the rectangular above-below direction of this installed surface, and foregoing circuit electric connector for substrate has: take with the parallel housing that direction is extended as length direction of the installed surface of foregoing circuit substrate; Arrange the multiple terminals that are held in this housing take above-mentioned length direction as terminal board column direction; And be held in the locking metalwork of the end of the housing on above-mentioned terminal board column direction, above-mentioned housing has and the opposed diapire of installed surface of the circuit substrate of one side and the perisporium of holding up upward from this diapire, above-mentioned perisporium has two sidewalls that extend along above-mentioned terminal board column direction and edge is extended with the rectangular connector Width of above-mentioned terminal board column direction and by the end wall connected to each other end on the above-mentioned terminal board column direction of above-mentioned sidewall, the space being surrounded by above-mentioned perisporium is formed as the incorporating section for receiving mating connector.
In the present invention, such circuit board electrical connector is characterised in that, above-mentioned locking metalwork has: the base portion at the lower position of housing with the part of extending along above-mentioned terminal board column direction; In end wall on this terminal board column direction scope to each other from the part of above-mentioned base portion towards above the portion of holding up of holding up; And from this top of holding up portion towards above-mentioned end wall side-prominent and can with the locked portion sticking department of engagement up that is arranged at mating connector, the base portion of above-mentioned locking metalwork has strain portion, in the chimeric process of connector, when be subject on above-mentioned terminal board column direction external force time, this strain portion carries out strain on above-mentioned terminal board column direction, thereby allows above-mentioned hold up portion and the movement of above-mentioned sticking department on the above-mentioned terminal board column direction leaving from the end wall corresponding with this locking metalwork.
In the present invention, the sticking department of locking metalwork is outstanding from being positioned at the top of the portion of holding up of end wall terminal board column direction scope to each other.Therefore, in the present invention, be the above-mentioned scope having existed due to what utilize, therefore locking metalwork being set and then implementing in the process of lock out action, compare with the situation that locking metalwork is not set herein, can not cause the maximization on terminal board column direction.In the present invention, in the chimeric process of connector, the sticking department of locking metalwork and the locked portion butt of the mating connector from top, press towards the direction of from terminal board column direction inner side, leaving from the end wall corresponding with above-mentioned locking metalwork the sticking department of above-mentioned locking metalwork by this locked portion.Now, allow towards the portion of holding up of above-mentioned terminal board column direction inner side and the movement of sticking department by making the strain portion of base portion carry out strain at terminal board column direction, thereby this sticking department is accommodated in slot part., because this sticking department is from retreating with the original position that moves up and down interference of above-mentioned locked portion, so allow the movement downward of above-mentioned locked portion.Its result, if locked portion arrives than sticking department position on the lower, above-mentioned strain portion reduces its elastic deformation amount, so that above-mentioned sticking department moves towards the direction that is back to original position, sticking department is outstanding towards the top position of sticking department, can be towards the state of top and sticking department engagement, i.e. lock-out state thereby be formed as locked portion.
In addition, in the present invention, hold up in portion and the sticking department end wall on terminal board column direction scope to each other and move.Due to the above-mentioned terminal board column direction length direction that is housing, even so guaranteed the larger overhang of sticking department, also can change places and guarantee for allowing this sticking department and holding up the space of the movement of portion on terminal board column direction at above-mentioned end wall range content to each other, thereby can guarantee stable lock-out state.
In the present invention, also can be configured to: the base portion of locking metalwork has the sweep stretching out towards connector Width outside near the position of end wall, above-mentioned sweep is formed as latch-release operating portion, this sweep has the exposed portions serve exposing outside towards housing, this exposed portions serve is subject to the pressing force towards the incorporating section of above-mentioned housing side as operating physical force on terminal board column direction, thereby can make the portion of holding up and sticking department move leaving such above-mentioned terminal board column direction from the end wall corresponding with above-mentioned locking metalwork.
By above-mentioned latch-release operating portion is set, in the time that connector is extracted, if the exposed portions serve of base portion is subject to the pressing force as operating physical force, due to the locking portion of holding up of metalwork and the sticking department incorporating section side shifting towards housing on above-mentioned terminal board column direction, so lock-out state is removed, thereby can easily be extracted mating connector towards top.
In the present invention, also can be configured to: locking metalwork has the prolongation arm extending along connector Width near the position of end wall, the end of this prolongation arm is formed as the maintained portion for being held in housing, and have outstanding by engagement teat from the above-below direction edge of this maintained portion, end wall is configured to: be formed with the maintenance slot part for receiving and keep above-mentioned maintained portion, this maintenance slot part extends and along the vertical direction towards lower opening, the opposed groove internal face in the above-below direction edge with above-mentioned maintained portion in the groove internal face that forms this maintenance slot part is formed with stair-stepping fastener, this fastener than the above-mentioned lower edge by position on the lower of engagement teat and this engagement teat opposed and can with this lower edge engagement, this fastener restriction is above-mentioned by the movement downward of engagement teat.
Due to the engaged part that makes the fastener limitation lock of the storage slot part of end wall determine metalwork by above-mentioned fastener and engaged part are set movement downward, therefore can prevent from more reliably locking metalwork and be extracted from housing.
In the present invention, housing has the prominent wall of holding up in incorporating section from diapire towards top and extending along terminal board column direction, the both ends of this prominent wall on above-mentioned terminal board column direction are formed with the storage slot part that opens wide and extend along the vertical direction towards end wall side, and at least a portion that the portion of holding up of locking metalwork can be positioned at the sticking department of above-mentioned storage slot part and locking metalwork can be positioned at outside above-mentioned storage slot part.
Because prominent wall extends along terminal board column direction, so compare with the situation that forms storage slot part at end wall, can fully increase the degree of depth of above-mentioned storage slot part.Therefore,, even if guaranteed the overhang that sticking department is larger, the portion of holding up also can move the amount that is equivalent to this sticking department to be accommodated in size required in above-mentioned storage slot part in above-mentioned storage slot part.That is, can guarantee by the overhang of abundant increase sticking department can with the larger scope of the part of the locked portion engagement of mating connector, therefore, can guarantee stable lock-out state.
In the present invention, also can be configured to: the portion of holding up of locking metalwork has from above-below direction edge towards the portion that is limited of connector Width outside curve, the groove internal face that forms the storage slot part of above-mentioned housing is formed with stair-stepping limiting unit, this limiting unit have the lower edge that is limited portion than position on the lower of the above-mentioned portion of being limited and this opposed and can with the face of this lower edge engagement, this limiting unit limits the movement downward of above-mentioned locking metalwork.
In the chimeric process of connector, because the locked portion of mating connector is from the sticking department butt of top and connector, thereby this sticking department is subject to pressing force downward.Be subject to the portion that is limited of locking metalwork and the limiting unit engagement of housing of this pressing force, therefore limited the movement downward of locking metalwork, extracted from housing thereby can prevent from locking metalwork.
In the present invention, also can be configured to: the prominent wall of housing is being formed with than the top side's of the portion of holding up of locking metalwork position the upper wall of at least a portion sealing of the storage slot part of above-mentioned prominent wall, the lower surface of this upper wall and the above-mentioned upper limb of holding up portion opposed and be positioned at can with the position of this upper limb engagement, limit thus the displacement upward of above-mentioned top of holding up portion.
By above-mentioned upper wall is set, under jogged state of connector, extract mating connector even if unexpectedly (extract direction) towards top, due to the lower surface engagement of the upper limb of the portion of holding up and the upper wall of housing, so also can limit the above-mentioned displacement towards top of holding up portion.Its result, can maintain the engagement state of sticking department and locked portion, thereby can maintain stable lock-out state.
In the present invention, also can be configured to, for form in the groove internal face of storage slot part of housing on connector Width for mutual opposed opposed grooves internal face, be formed with towards locking metalwork the portion of holding up and towards the outstanding protuberance of connector Width, this protuberance be positioned at can with above-mentioned position of holding up portion's butt on connector Width, utilize outstanding top and the above-mentioned position of holding up portion on this connector Width limited.
By above-mentioned protuberance is set, this protuberance limits the position of the portion of holding up on connector Width, the position of therefore having limited the sticking department on connector Width to give prominence to top.Its result, can guarantee reliably and the engagement state of locked portion, thereby can maintain stable lock-out state.
(the second invention)
The related electric connector assembly of the second invention is characterised in that, possesses the related circuit board electrical connector of the first invention and from the chimeric mating connector being connected of top and this circuit board electrical connector, this mating connector has locked portion, this locked portion under jogged state of connector can with the sticking department engagement up of the locking metalwork of circuit board electrical connector.
As mentioned above, in the present invention, the portion of holding up and the sticking department of locking metalwork move at terminal board column direction, in other words, are to move in end wall on the length direction of housing scope to each other.Therefore, even if guaranteed the larger overhang of sticking department, can easily guarantee in above-mentioned end wall that locking metalwork has no relation and exist scope to each other for allowing this locking metalwork and the portion of holding up mobile space on above-mentioned terminal board column direction with whether disposing, thereby can not cause connector to maximize on above-mentioned terminal board column direction, and can stably obtain reliable lock-out state.
Accompanying drawing explanation
Fig. 1 is the related socket connector of the first execution mode and the stereogram from top and the chimeric pin connector of this socket connector, and shows the state of connector before chimeric.
Fig. 2 reverses the socket connector of Fig. 1 and pin connector and the stereogram that illustrates up and down, and be so that pin connector from below chimeric posture and the stereogram that illustrates.
Fig. 3 is the posture of the socket connector only the locking metalwork of the socket connector of Fig. 1 is held in to Fig. 1 and the stereogram that illustrates.
Fig. 4 be illustrate the locking metalwork of the socket connector of Fig. 1 installation procedure, with rectangular of connector Width on three-dimensional cutaway view, wherein, Fig. 4 (A) shows the state before the installation that locks metalwork, and Fig. 4 (B) shows the state after the installation that locks metalwork.
Fig. 5 be with rectangular of the terminal board column direction of the socket connector of Fig. 1 on cutaway view, show the cross section of the position of the maintained portion of the locking metalwork on above-mentioned terminal board column direction.
Fig. 6 be with rectangular of the connector plugging direction of the socket connector of Fig. 1 on cutaway view, in the scope of the sidewall on above-mentioned terminal board column direction, show the cross section of the position of sticking department, in the scope of the end wall on above-mentioned terminal board column direction, show the cross section of the position of the upper end of the maintained portion on above-below direction.
Fig. 7 is the cutaway view of a part that the socket connector of the movement of locking metalwork is shown, wherein, Fig. 7 (A) be with rectangular of connector plugging direction on cutaway view, Fig. 7 (B) be with rectangular of terminal board column direction on cutaway view.
Fig. 8 (A) is the stereogram that the variation of the locking metalwork of the first execution mode is shown, Fig. 8 (B) is the stereogram that other variation are shown.
Fig. 9 is the transverse sectional view of a part for the related socket connector of the second execution mode, shows and the rectangular cross section of connector plugging direction.
Figure 10 is the stereogram that the related socket connector of the 3rd execution mode is shown.
Figure 11 shows the related pin connector of the 4th execution mode, wherein, Figure 11 (A) be stereogram, Figure 11 (B) of pin connector be with rectangular of the connector Width of the pin connector of Figure 11 (A) on three-dimensional cutaway view.
Description of reference numerals:
1 ... socket connector; 2 ... pin connector (mating connector); 10 ... socket side housing; 11 ... diapire; 12 ... prominent wall; 12A ... upper wall; 13 ... perisporium; 14 ... sidewall; 15 ... end wall; 16 ... incorporating section; 18 ... storage slot part; 18A-2 ... keep slot part; 18A-3 ... fastener; 18B ... interior slot part; 18B-1 ... protuberance; 18B-1A ... limiting unit; 20 ... terminal; 30 ... locking metalwork; 31 ... base portion; 31B ... latch-release operating portion; 31C ... extend arm; 31C-1 ... strain portion; 31C-2 ... maintained portion; 31C-2A ... by engagement teat; 32 ... hold up portion; 32A ... be limited portion; 33 ... sticking department; 62C-1 ... locked portion.
Embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
(the first execution mode)
Fig. 1 be the related socket connector of present embodiment 1 and from top the stereogram of the pin connector 2 chimeric with it, and show the state of connector before chimeric.Fig. 2 reverses the socket connector 1 of Fig. 1 and pin connector 2 and the stereogram that illustrates up and down, and be so that pin connector 2 from below chimeric posture and the stereogram that illustrates.
Socket connector 1 in present embodiment and as the pin connector 2 of the mating connector of this socket connector 1, respectively the circuit board use connector being disposed on the installed surface of different circuit substrates (not shown), and be configured to take with the rectangular direction of face (above-below direction in Fig. 1) of the each circuit substrate connector assembly as plug direction.
As shown in Figure 1, socket connector 1 has: socket side housing 10, and it is approximate cuboid profile; Multiple terminals 20, they are arranged and are remained two row by this socket side housing 10 take the length direction of this socket side housing 10 as terminal board column direction; And two locking metalwork 30 and 4 fixing metal parts 70, they are held in the both ends of the above-mentioned socket side housing 10 on above-mentioned length direction.This socket connector 1 is arranged on circuit substrate with the posture configuration shown in Fig. 1.
Above-mentioned socket side housing 10 is for example formed by electrical insulating material manufactures such as resins, extends take a direction parallel with the installed surface of circuit substrate as length direction (terminal board column direction).This socket side housing 10 has: the diapire 11(parallel with above-mentioned installed surface is with reference to Fig. 2); The prominent wall 12 of holding up upward and extending along terminal board column direction from this diapire 11 in Fig. 1; And hold up upward and surround the perisporium 13 of the frame shape of above-mentioned prominent wall 12 from above-mentioned diapire 11.This perisporium 13 has: the pair of sidewalls 14 of extending along above-mentioned terminal board column direction; And edge is with the rectangular connector Width extension of this terminal board column direction and by the pair of end walls connected to each other end of above-mentioned pair of sidewalls 14 15.Between above-mentioned prominent wall 12 and perisporium 13, be formed as for receiving the incorporating section 16 as the perisporium 43 of the fitting portion of pin connector 2 towards the annulus of upper opening.
At above-mentioned socket side housing 10, on terminal board column direction, equally spaced arrange the terminal being formed with for keeping terminal 20 and keep groove 17, this terminal keeps groove 17 on connector Width, to be formed as two symmetrical row with respect to the length direction center line of prominent wall 12.Each terminal keeps groove 17 to spread all over the upper surface of medial surface (with the opposed face in side of prominent wall 12), this sidewall 14 of upper surface, the sidewall 14 of side, the diapire 11 of prominent wall 12 and lateral surface and extends continuously and depression, thus the horizontal S word groove shape while being formed as observing on above-mentioned terminal board column direction.
In addition, as shown in Figure 1, for diapire 11, the position of the close end walls on terminal board column direction, in other words, arranges extraneous position at terminal and is formed with the fixing metal part maintenance groove 11A for keeping fixing metal part 70.This fixing metal part keeps groove 11A to be the slit-shaped of extending along the vertical direction, opens wide towards below and towards connector Width outside.
Above-mentioned socket side housing 10 is the form of locking metalwork 30 being received and is held in the both ends on terminal board column direction, in order to understand this form, before further illustrating socket side housing 10, first above-mentioned locking metalwork 30 is described.
Fig. 3 is the posture of the socket connector 1 only the locking metalwork 30 of the socket connector of Fig. 11 is held in to Fig. 1 and the stereogram that illustrates.By after metallic plate is punched to the shape of regulation, the bending machining of implementing to turn back in thickness of slab direction, so that above-mentioned metallic plate has warpage ora terminalis 30A, is made locking metalwork 30 thus.As shown in Figure 3, when this locking metalwork 30 is observed from top, entirety is approximate T word shape, has: the part of two approximate L word shapes when making to observe from top is positioned at symmetrical position and is formed as the base portion 31 of above-mentioned approximate T word shape; The portion of holding up 32 of holding up upward from right-hand member side (the warpage ora terminalis 30A side) part of this base portion 31; And hold up the position sticking department 33 outstanding towards left side of the close upper end of portion 32 at this.
As shown in Figure 3, any one in two base portions 31 all has base arm 31A, latch-release operating portion 31B and prolongation arm 31C, thereby, two base arm 31A are formed as two partly overlapping states of band plate-like that extend along terminal board column direction by metallic plate is turned back, two latch-release operating portion 31B in the left end side of the above-mentioned band plate-like part of and above-mentioned base arm 31A that expand bending towards thickness of slab direction in the mode being separated from each other towards connector Width (with the rectangular direction of above-mentioned terminal board column direction) outside respectively towards the bending of thickness of slab direction, two extend arm 31C respectively from above-mentioned latch-release operating portion 31B continuously and towards above-mentioned connector Width lateral.
As shown in Figure 3, each base arm 31A has the linking part 31A-1 linking with above-mentioned latch-release operating portion 31B in its left end side.This linking part 31A-1 is slight curving in thickness of slab direction in the mode that two base arm 31A distance is to each other expanded gradually along with trend left side, thereby is positioned at the position being separated from each other.Above-mentioned latch-release operating portion 31B is bent into and becomes the acute angle more smaller than right angle with the plate face of above-mentioned base arm 31A, and as shown in Figure 3, its curved top portion is upper outstanding towards left side at terminal board column direction (left and right directions in Fig. 3).In addition, as shown in Figures 1 and 2, above-mentioned curved top portion is exposed towards outer the giving prominence to of socket side housing 10, and as described below, be formed as the position of bearing as the operating physical force for removing connector locking each other towards the pressing force of terminal board column direction inner side (towards the direction of prominent wall 12 sides).
Extend arm 31C by extending and form continuously from this latch-release operating portion 31B, and be formed with: the 31C-1 of strain portion, it extends to the portion's of holding up 32 sides a little obliquely along with trend connector Width outside; And maintained portion 31C-2, its close free-ended position at above-mentioned prolongation arm 31C is bending and have and the rectangular plate face of terminal board column direction in the mode that tilts in the opposite direction with the 31C-1 of strain portion.Locking metalwork 30 is held in socket side housing 10 at above-mentioned maintained portion 31C-2.The above-mentioned strain 31C-1 of portion is positioned at the position (with reference to the solid line part of Fig. 7 (A)) spaced apart on terminal board column direction with the following inclined plane 18A-1 of socket side housing 10 under free state, and can carry out strain (with reference to the dotted portion of Fig. 7 (B)) towards this inclined plane 18A-1, thereby as described below, can make the portion of holding up 32 and sticking department 33 move on terminal board column direction.
Maintained portion 31C-2 be formed with the top of the edge (free ora terminalis) from extending along the vertical direction outstanding towards connector Width outside by engagement teat 31C-2A, and can this by engagement teat 31C-2A and with the following fastener 18A-3 of socket side housing 10 at above-below direction engagement (with reference to Fig. 5).
As shown in Figure 3, hold up two partly overlapping states of vertical band plate-like that portion 32 is formed as extending along the vertical direction by metallic plate is turned back, this vertical band plate-like part is bonded at the above-mentioned warpage ora terminalis 30A that becomes right-hand member edge extending along the vertical direction.This is holded up in the scope between base arm 31A and the sticking department 33 of portion 32 on above-below direction, the 32A of the portion that is limited that the left end edge with the each vertical band plate-like part from extending is along the vertical direction right angle towards connector Width outside curve.As described below, this be limited the 32A of portion can with the limiting unit 18B-1A engagement of socket side housing 10.
As shown in Figure 3, sticking department 33 also with base arm 31A, hold up portion 32 and be similarly formed as two states that metal plate sections is overlapping, and be formed as a whole a sticking department.For this sticking department 33, upper limb has along with trend left side and the oblique beveled edge of square neck down, and lower edge is along extending and be formed as hook-shaped with the rectangular left and right directions of above-below direction (terminal board column direction).As described below, this sticking department 33 under jogged state of connector, can be towards top and with the locked 62C-1 of the portion engagement of following supporting locking metalwork 60 that is arranged at pin connector 2.
Turn back to the explanation to socket side housing 10.As shown in Figure 2, in socket side housing 10, the symmetry for receiving two of metalwork 30 storage slot parts 18 of locking with respect to the middle position on terminal board column direction, while observation, be approximate T word shape, and be formed as towards upper opening from terminal board column direction both end sides, top (diapire 11 sides) of socket side housing 10.
Below, referring to figs. 1 through Fig. 7, the shape of storage slot part 18 is described.Herein, Fig. 4 be illustrate the locking metalwork 30 of the socket connector 1 of Fig. 1 installation procedure, with rectangular of connector Width on three-dimensional cutaway view, wherein, Fig. 4 (A) shows the state before the installation that locks metalwork 30, and Fig. 4 (B) shows the state after the installation that locks metalwork 30.Fig. 5 be with rectangular of the terminal board column direction of the socket connector 1 of Fig. 1 on cutaway view, show the cross section of the position of the maintained portion 31C-2 of the locking metalwork 30 on above-mentioned terminal board column direction.Fig. 6 be with rectangular of the connector plugging direction of the socket connector 1 of Fig. 1 on cutaway view, in the scope of the sidewall 14 on above-mentioned terminal board column direction, show the cross section of the position of sticking department 33, in the scope of the end wall 15 on above-mentioned terminal board column direction, show the cross section of the position of the upper end of the maintained portion 31C-2 on above-below direction.Fig. 7 is the cutaway view of a part that the socket connector 1 of the movement of locking metalwork 30 is shown, wherein, Fig. 7 (A) be with rectangular of connector plugging direction on cutaway view, Fig. 7 (B) be with rectangular of terminal board column direction on cutaway view.
As shown in Figure 4 (A), storage slot part 18 has: outer slot part 18A, and its bottom at end wall 15 is positioned at terminal board column direction outside and is formed at diapire 11, and extends along connector Width; Interior slot part 18B, it is formed at the diapire of the position of the end on the terminal board column direction of prominent wall 12 and the terminal board column direction inner side below this end, and extends along the vertical direction; And the 18C of kerve portion, it is formed at end wall 15 and diapire 11, and so that the mode that above-mentioned outer slot part 18A and above-mentioned interior slot part 18B are interconnected extend along terminal board column direction.
As shown in Figure 2, above-mentioned outer slot part 18A almost spreads all over whole region and extends on connector Width except these direction both ends, and open wide towards diapire 11 sides (top in Fig. 2) and terminal board column direction outside, also can be with reference to Fig. 4 (B) thereby extend arm 31C(to two of locking metalwork 30) receive.In addition, the position corresponding with the 31C-1 of strain portion of each prolongation arm 31C on connector Width, above-mentioned outer slot part 18A is formed with the inclined plane 18A-1 tilting towards terminal board column direction outside along with trend connector Width inner side.As mentioned above, between this inclined plane 18A-1 and the above-mentioned strain 31C-1 of portion, be formed with interval.
In addition, as shown in Figure 2, both ends on the connector Width of above-mentioned outer slot part 18A, be formed with the maintenance slot part 18A-2 for receiving and keep the slit-shaped of the maintained portion 31C-2 of above-mentioned prolongation arm 31C, this maintenance slot part 18A-2 extends along the vertical direction and opens wide (also can with reference to Fig. 5) towards connector Width inner side.As shown in Figure 5, keep that slot part 18A-2 is in the groove internal face that forms this maintenance slot part 18A-2 is formed with stair-stepping fastener 18A-3 with the top of the opposed groove internal face in edge extending along the vertical direction above-mentioned maintained portion 31C-2, this fastener 18A-3 than above-mentioned maintained portion 31C-2 by position on the lower of engagement teat 31C-2A and this lower edge by engagement teat 31C-2A opposed and can with this lower edge engagement.
As shown in Figure 4 (A), the 18C of kerve portion connects (also can with reference to Fig. 7 (B)) along the vertical direction, and the part except being positioned at the end of below of the portion of holding up 32 in the base arm 31A of Fig. 4 (B) is received.
As shown in Figure 4 (A), interior slot part 18B is formed as end face (with the rectangular face of the terminal board column direction) depression from prominent wall 12, and downwards and terminal board column direction outside (left side in Fig. 4 (A)) open wide.In the position near terminal board column direction outside and on connector Width, mutual opposed groove internal face is formed with the protuberance 18B-1 outstanding from this groove internal face to this interior slot part 18B.This protuberance 18B-1 is approximate L word shape while observation on connector Width, and comprise longitudinal component and lateral part, wherein, above-mentioned longitudinal component at the terminal board column direction centre position place of interior slot part 18B and spread all over along the vertical direction interior slot part 18B almost whole region extend, extend towards terminal board column direction outside from the bottom of this longitudinal component above-mentioned lateral part, and above-mentioned approximate L word shape is formed by above-mentioned longitudinal component and above-mentioned lateral part.
As shown in Fig. 4 (B), protuberance 18B-1 is with the right part of the base arm 31A of locking metalwork 30 and to hold up region corresponding to portion 32 outstanding.The outstanding opposed faces at the top of mutual opposed protuberance 18B-1 on connector Width (with the rectangular face of connector Width) interval to each other, is formed as than above-mentioned base arm 31A and holds up the width dimensions of portion 32 bigger (also can with reference to Fig. 6 and Fig. 7 (A)).Therefore, for above-mentioned protuberance 18B-1, outstanding opposed faces is positioned at respect to the above-mentioned end of base arm 31A and each side of holding up portion 32 and separates some intervals and position that can butt, thereby limits the right part of this base arm 31A and hold up the position on the connector Width of portion 32.In addition, and nonessentially at above-mentioned protuberance 18B-1, above-mentioned longitudinal component is set, for example, in the situation that thering is enough rigidity etc. by the portion of holding up 32 that makes to lock metalwork 30 and making it be difficult to displacement on above-mentioned connector Width, also can from above-mentioned protuberance 18B-1, omit above-mentioned longitudinal component and only form this structure by above-mentioned lateral part.
The lateral part of above-mentioned protuberance 18B-1 is formed as being positioned at the stair-stepping limiting unit 18B-1A on the lower than the above-mentioned 32A of the portion that is limited that holds up portion 32.As shown in Fig. 4 (B), the upper surface of this limiting unit 18B-1A be limited the lower edge of the 32A of portion opposed and be positioned at can with the position of this lower edge engagement on above-below direction, thereby limit the movement downward of above-mentioned locking metalwork 30.In addition, below the lower corner of above-mentioned limiting unit 18B-1A is formed with along with trend and the inclined plane 18B-1B tilting towards terminal board column direction inner side.As described below, in the time locking metalwork 30 and install towards socket side housing 10, this inclined plane 18B-1B is as being above-mentionedly limited the guide surface of the 32A of portion and bringing into play function for guiding.
In addition, as shown in Fig. 4 (A), Fig. 4 (B), prominent wall 12 spreads all over bottom land 18B-2(and the rectangular face of terminal board column direction from the longitudinal component of above-mentioned protuberance 18B-1 to interior slot part 18B on terminal board column direction) scope ground be formed with the upper wall 12A that the upside of this interior slot part 18B is sealed.The upper limb of the portion of holding up 32 of the lower surface of this upper wall 12A and locking metalwork 30 opposed and be positioned at can with the position of this upper limb engagement (also can with reference to Fig. 7 (B)), thereby as described below, limited the displacement upward of above-mentioned top of holding up portion 32.
Next, according to Fig. 4 (A), Fig. 4 (B), locking metalwork 30 is described towards the installation of socket side housing 10.As shown in Figure 4 (A), from below, the storage slot part 18 towards socket side housing 10 is installed locking metalwork 30.In the installation process of locking metalwork 30, if the maintained portion 31C-2 of this locking metalwork 30 by the maintenance slot part 18A-2(of engagement teat 31C-2A and outer slot part 18A with reference to Fig. 5) groove internal face (with the rectangular face of connector Width) butt and be subject to pressing force, the mode that 31C-1 of strain portion leaves with the inclined plane 18A-1 from outer slot part 18A and carry out strain, thus allow the further movement upward of above-mentioned maintained portion 31C-2.Then, if by engagement teat 31C-2A than the fastener 18A-3 of above-mentioned maintenance slot part 18A-2 near top, as shown in Figure 5, the 31C-1 of strain portion is out of shape in the mode that reduces elastic deformation amount because of elastic restoring force, and being positioned at down by engagement teat 31C-2A can be enough and the position of fastener 18A-3 engagement.In addition, the edge of extending along the vertical direction of maintained portion 31C-2 with contact with the above-mentioned groove internal face butt that keeps slot part 18A-2, and keep in slot part 18A-2 because this contact is maintained at.
In addition, in the installation process of locking metalwork 30, the inclined plane 18B-1B butt that is formed at limiting unit 18B-1A of the 32A of the portion that is limited of the portion of holding up 32 of this locking metalwork 30 and protuberance 18B-1.Be subject to the pressing force towards terminal board column direction outside if be limited the 32A of portion from above-mentioned inclined plane 18B-1B, the mode that 31C-1 of strain portion leaves with the inclined plane 18A-1 from outer slot part 18A is carried out strain, thereby allows be above-mentionedly limited the 32A of portion towards (left in Fig. 4 (A), Fig. 4 (the B)) displacement of terminal board column direction outside and then allow the above-mentioned further movement upward of the 32A of portion that is limited.If this is limited the 32A of portion and arrives the top of above-mentioned limiting unit 18B-1A, the above-mentioned strain 31C-1 of portion is discharged from elastic deformation, be limited the 32A of portion because of elastic restoring force towards terminal board column direction inner side (in Fig. 4 (A), Fig. 4 (B) right-hand) displacement return, thereby make this be limited the 32A of portion be positioned at can be towards below and with the position of above-mentioned limiting unit 18B-1A engagement.
As mentioned above, locking metalwork 30 above-mentioned maintained portion 31C-2 and above-mentioned be limited the 32A of portion lay respectively at can with the position of the fastener 18A-3 of socket side housing 10 and above-mentioned limiting unit 18B-1A engagement, its result, above-mentioned locking metalwork 30 is received maintenance by above-mentioned storage slot part 18, thereby has completed the installation of this locking metalwork 30.
As shown in Figure 1, be bent upwards in thickness of slab side and make terminal 20 by making that metallic plate is carried out to the die-cut banded sheet obtaining.For this terminal 20, in the time that terminal board column direction is observed, its entirety is horizontal S word shape, and at one end side is formed with the contact site 21 of the mode bending to contact with the supporting terminal 50 that is arranged at pin connector 2, and at another distolateral connecting portion 22 being welded to connect with the corresponding circuits portion of circuit substrate that is formed with.While observation on above-mentioned terminal board column direction, this terminal 20 is so that be the maintained portion 23 of reverse U shape shape and ride to be pressed into from top in the mode of sidewall 14 and be installed on terminal and keep in groove 17, and equally spaced arranges on the length direction of this sidewall 14.Maintained portion 23 be formed with for the locking teat 23A of above-mentioned supporting terminal 50 engagements, this locking teat 23A is side-prominent towards above-mentioned contact site 21.
Under the state being kept by above-mentioned terminal maintenance groove 17 at above-mentioned terminal 20, as shown in Figure 1, the contact site 21 of this terminal 20 is outstanding towards incorporating section 16 from the side of prominent wall 12, and above-mentioned locking teat 23A is outstanding towards incorporating section 16 from the medial surface of sidewall 14.In addition, the connecting portion 22 of above-mentioned terminal 20 with the almost identical height in the bottom surface of socket side housing 10 from this socket side housing 10 towards connector Width outside stretch out.
Mode by the tabular surface to maintain metallic plate is carried out the die-cut fixing metal part 70 of making to this metallic plate, and keeps groove 11A to be pressed into this fixing metal part 70 of maintenance from below towards the fixing metal part of socket side housing 10.Above-mentioned fixing metal part 70 contributes to socket connector 1 fixing with respect to this circuit substrate because being welded in the corresponding portion (not shown) of circuit substrate.
Next, according to Fig. 1, Fig. 2 and Fig. 7 (B), the structure of the pin connector 2 as mating connector is described.Pin connector 2 has: plug side housing 40, and it is approximate cuboid profile; Multiple supporting terminals 50, they are arranged and remain two row by this plug side housing 40 take the length direction of this plug side housing 40 as terminal board column direction; And two supporting locking metalworks 60, they are held in the both ends (following end wall 45) of the above-mentioned plug side housing 40 on above-mentioned length direction.This pin connector 2 is arranged on circuit substrate with the posture configuration shown in Fig. 2, and is connected with socket connector 1 is chimeric with the posture of reversing up and down as shown in Figure 1.
Above-mentioned plug side housing 40 is for example formed by electrical insulating material manufactures such as resins, extends take a direction parallel with the installed surface of circuit substrate as length direction (terminal board column direction).This plug side housing 40 has the diapire 41(parallel with above-mentioned installed surface with reference to Fig. 1) and the perisporium 43 as fitting portion of the frame shape holded up upward from this diapire 41 as shown in Figure 2.This perisporium 43 has the pair of sidewalls 44 of extending along above-mentioned terminal board column direction and along extending with the rectangular connector Width of this terminal board column direction and by the pair of end walls connected to each other end of above-mentioned pair of sidewalls 44 45.Surrounded and be formed as towards the space of upper opening at the incorporating section 46 of the prominent wall 12 for receiving socket connector 1 by this perisporium 43.
As shown in Fig. 7 (B), for end wall 45, be recessed to form and kept recess 45A from the medial surface of above-mentioned end wall 45, this maintenance recess 45A is for receiving maintenance to the board 62 that turns back of the following supporting locking metalwork 60 that is installed on this end wall 45.In addition, as shown in Fig. 7 (B), be formed with through hole 41A on diapire 41, this through hole 41A connects into slit-shaped and with this maintenance recess 45A and is communicated with (also can with reference to Fig. 1) along the vertical direction in the top position that keeps recess 45A.
As shown in Figure 2, end wall 45 is being formed with the guide portion 45B for guiding pin connector 2 than the position that keeps the top side of recess 45A.Square neck is oblique down along with trend terminal board column direction for the upper surface of guide portion 45B, in the chimeric process of connector, the upper surface of guide portion 45B is brought into play function as the guide surface for pin connector 2 being guided to the incorporating section 16 of socket side housing 10 on terminal board column direction.The middle position of guide sections 45B on connector Width is cut open.Notch 45C as this cut-away portions is formed at the position identical with the 62C of hole portion of following supporting locking metalwork 60 on connector Width.In the chimeric process of connector, because the sticking department 33 of the locking metalwork 30 of socket connector 1 is by avoiding the interference of sticking department 33 and guide sections 45B in this notch 45C, therefore, can prevent the damage (cutting wound) of this guide portion 45B.
By being bent upwards in thickness of slab side, banded sheet that die-cut metallic plate obtains makes supporting terminal 50.Molded and this supporting terminal 501 is kept by this supporting terminal 50 and each sidewall 44 of plug side housing 40 being carried out to Integral mold, this supporting terminal 501 is equally spaced arranged on the length direction of this sidewall 44.This supporting terminal 50 has: the connecting portion 51 of straight shape, and it is stretching out in outside from sidewall 44 towards connector Width with the almost identical height and position of the diapire 41 of plug side housing 40; And reverse U-shaped section divides, it is connected with this connecting portion 51 and to top (below in Fig. 1) bending in Fig. 2, and turns back and cave in and be held in above-mentioned sidewall 44 for falling U-shaped.This reverse U-shaped section divides along above-mentioned sidewall 44 and extends, and so that falls the plate face of U-shaped and expose with the mode that this sidewall 44 is formed as identical face.
In two shanks of the part of falling U-shaped of above-mentioned supporting terminal 50, for being positioned at the shank of medial surface side of sidewall 44, slave plate face is recessed to form the contact site 21 of prominent shape of the terminal 20 that is useful on storage socket connector 1 and the contact recess 52 that contacts with this contact site 21.In addition, for being positioned at another shank of lateral surface side of sidewall 44, slave plate face be recessed to form be useful on the above-mentioned terminal 20 of storage locking teat 23A and with the locked recess 53 of this locking teat 23A engagement.
After the shape that metallic plate is punched to regulation, carry out bending machining and make supporting locking metalwork 60 in the mode of turning back in thickness of slab direction.As shown in Fig. 7 (B), this supporting locking metalwork 60 has: fixed part 61(also can be with reference to Fig. 1), the position of the end wall 45 of its plug side housing 40 on terminal board column direction and stretching out towards terminal board column direction outside with the position of the almost identical height in the bottom surface (upper surface in Fig. 1) of diapire 41; And the board 62 that turns back, itself and this fixed part 61 continuously and to the below (top in Fig. 2) in Fig. 7 (B) bending and lower end towards above (below in Fig. 2) turn back.
Above-mentioned fixed part 61 contributes to pin connector 2 fixing with respect to this circuit substrate by being welded in the corresponding portion (not shown) of circuit substrate.In addition, as shown in Fig. 7 (B), the above-mentioned board 62 that turns back has mutual opposed two plate portions on terminal board column direction.Below, by in above-mentioned two plate portions be arranged in terminal board column direction outside (left side of Fig. 7 (B)) and upper end is called " outer board 62A " with the plate portion that above-mentioned fixed part 61 links, the plate portion on (right side in Fig. 7 (B)) inside terminal board column direction is called to " interior board 62B ".Outer board 62A and the interior board 62B 62C of hole portion connecting in thickness of slab direction is separately formed at same position while observation from terminal board column direction (also can with reference to Fig. 2).In the present embodiment, above-mentioned two 62C of hole portion complement each other, as for locking metalwork 30 sticking department 33 engagements the locked 62C-1 of portion and bring into play function.In addition, the both side edges of extending along the vertical direction of board 62A outside, what outstanding engagement while being formed with for being pressed into of the supporting locking metalwork 60 in the maintenance recess 45A to plug side housing 40 kept is pressed into teat (not shown).
From the bottom surface side (top of Fig. 7 (B)) of diapire 41, via through hole 41A, the board 62 that will turn back is pressed into and keeps in recess 45A, thereby supporting locking metalwork 60 is installed on to plug side housing 40.Under the state of installation, outer board 62A be pressed into teat snap in above-mentioned maintenance recess 45A along the vertical direction extend both sides inner edge, prevent thus extracting of supporting locking metalwork 60.In addition, the plate face of above-mentioned interior board 62B exposes (also can with reference to Fig. 2) to incorporating section 46 to be formed as the mode of identical face with the inner surface of this end wall 45.
Next, according to Fig. 1 and Fig. 7 (A), Fig. 7 (B), socket connector 1 and the chimeric action of connector of pin connector 2 are described.First, by socket connector 1 and pin connector 2 are welded to connect respectively in corresponding circuit substrate they are installed.Next, as shown in Figure 1, the incorporating section 16 of socket connector 1 is formed as posture upward, and above this socket connector 1, the incorporating section 46(of pin connector 2 is with reference to Fig. 2) be formed as posture downward.
Next, the posture that maintains Fig. 1 makes pin connector 2 decline unchangeably, thereby the prominent wall 12 of socket connector 1 is entered in the incorporating section 46 of pin connector 2 from below, and the perisporium 43 of pin connector 2 is entered in the incorporating section 16 of socket connector 1 from top.Its result, the contact site 21 of the terminal 20 of socket connector 1 and locking teat 23A charge into respectively in the contact recess 52 of the supporting terminal 50 that is limited to pin connector 2 and in locked recess 53, carry out thus terminal electrically contacting and extracting the locking of direction (top) towards connector each other.
In addition, in the chimeric process of connector, upper limb (inclination edge) butt of the sticking department 33 of the lower end of the board 62 that turns back of supporting locking metalwork 60 and locking metalwork 30, and press this sticking department 33 with the pressing force towards terminal board column direction inner side.If sticking department 33 is subject to above-mentioned pressing force, rectangular of the bottom land 18B-2(of this sticking department 33 inside slot part 18B as shown in dotted line in Fig. 7 (A) and terminal board column direction.Also can be with reference to Fig. 4) side shifting, thus be incorporated in interior slot part 18B.Now, allow the movement of sticking department 33 by the strain of prolongation arm 31C of locking metalwork 30.Particularly, as shown in dotted line in Fig. 7 (A), the 31C-1 of strain portion that extends arm 31C take with the boundary position of maintained portion 31C-2 near as fulcrum is towards terminal board column direction inner side, in other words, the inclined plane 18A-1 of slot part 18A carries out strain outward.Its result, the linking part 31A-1 of locking metalwork 30, each other with close mode displacement mutually, holds up portion 32 and sticking department 33 towards above-mentioned terminal board column direction inner side, towards the bottom land 18B-2 of interior slot part 18B side shifting.
In addition, the lower end of board 62 and the upper limb butt of above-mentioned sticking department 33 turn back if above-mentioned, for this sticking department 33, become inclination edge owing to being subject to the upper limb of pressing force, so except being subject to the pressing force of the component inside above-mentioned terminal board column direction, be also subject to the pressing force of component downward.But, in the present embodiment, the limiting unit 18B-1A of socket side housing 10 locking metalwork 30 the 32A of the portion that is limited below be positioned at the position that can be limited with this 32A of portion engagement, thereby limitation lock is determined metalwork 30 movement downward, and then prevent from locking metalwork 30 extracting from socket side housing 10.
As mentioned above, by sticking department 33 being accommodated in to the further decline that allows pin connector 2 in interior slot part 18B.And, as shown in Fig. 7 (B), if the 62C of hole portion of supporting locking metalwork 60 arrive locking metalwork 30 sticking department 33 position and make this sticking department 33 from being released on of above-mentioned pressing force, extend arm 31C and be released and then turn back to free state because of its elastic restoring force from elastic deformation as shown in solid line in Fig. 7 (A), Fig. 7 (B).Its result, as shown in solid line in Fig. 7 (B), sticking department 33 enters in the 62C of hole portion, and be positioned at towards connector extract direction (top) can with the locked 62C-1 of portion, the i.e. position of the lower edge engagement of the 62C of hole portion, thereby be formed as lock-out state.
In the present embodiment, the locked 62C-1 of portion of supporting locking metalwork 60 at two boards of the board 62 that turns back of supporting locking metalwork 60, outside board 62A and interior board 62B, be formed as the edge of the hole portion connecting with same diameter at same position, therefore, compare with the situation that only at a board, locked portion is set, can become and be equivalent to the total amount of two thicknesss of slab and be doubled and redoubled with the scope of part of sticking department 33 engagements of locking metalwork 30, correspondingly, can make the reliability of lock-out state and stability improve.Although in the present embodiment locked portion is arranged to two boards, certainly can be made lock-out state further stable by being arranged at 3 above boards.
Like this, terminal 20,50 is interconnected with one another and locks, and locking metalwork 30,60 be locked to each other, thereby complete the chimeric action of connector.As mentioned above, the prominent wall 12 of socket side housing 10 be provided with the upper limb of the portion of holding up that locks metalwork 30 opposed and be positioned at can with the upper wall 12A of the position of this upper limb engagement.Therefore, under jogged state of connector, pull up pin connector 2 even if unexpectedly extract direction (top) towards connector, due to the lower surface engagement of the above-mentioned upper limb and the above-mentioned upper wall 12A that hold up portion 32, so also can limit the displacement on above-mentioned top of holding up portion 32.Its result, can maintain the sticking department 33 of locking metalwork 30 and the engagement state of the locked 62C-1 of portion of supporting locking metalwork 60, thereby can maintain stable lock-out state.
In addition, as mentioned above, for the portion of holding up 32 and the base arm 31A of locking metalwork 30, utilize and limit the position connector Width from the outstanding opposed faces of the outstanding protuberance 18B-1 of the opposed internal face of interior slot part 18B, therefore, the engagement state of above-mentioned sticking department 33 and the above-mentioned locked 62C-1 of portion can be guaranteed, thereby stable lock-out state can be maintained.
Next, according to Fig. 7 (A), Fig. 7 (B), to connector, pull action describes.By in the time having realized the pin connector 2 under jogged state of connector and extracted with socket connector 1, press towards terminal board column direction inner side socket connector 1 locking metalwork 30 latch-release operating portion 31B and remove operation.If latch-release operating portion 31B is subject to as the pressing force towards above-mentioned terminal board column direction inner side of removing operating physical force, the 31C-1 of strain portion that extends arm 31C carries out strain in the same direction.And, with the chimeric process of above-mentioned connector illustrating similarly, the linking part 31A-1 of locking metalwork 30 is each other with mutually close mode displacement, hold up portion 32 and sticking department 33 towards above-mentioned terminal board column direction inner side, i.e. the bottom land 18B-2 side shifting of slot part 18B (with reference to the dotted line of Fig. 7 (A), Fig. 7 (B)) inwardly.
Its result, sticking department 33 is incorporated in interior slot part 18B, thereby removed this sticking department 33 and the supporting locking metalwork 60 of pin connector 2 the locked 62C-1 of portion can engagement lock-out state.And, pull up and extract easily this pin connector 2 by pin connector 2 is extracted to direction (top) towards connector, thereby completing connector pull action.
In the present embodiment, the portion of holding up 32 of locking metalwork 30 is positioned at slot part 18B, and sticking department 33 from above-mentioned top of holding up portion 32 inwardly slot part 18B give prominence to and be positioned at incorporating section 16.In other words, holding up portion 32 and sticking department 33 is positioned at scope each other of end wall 15 on terminal board column direction and moves in this scope.Therefore, even if guaranteed the larger overhang of sticking department 33, also can be easily guaranteeing in the above-mentioned scope that locking metalwork 30 independently exists for allowing this sticking department 33 and holding up the space of the movement on the above-mentioned terminal board column direction of portion 32 with whether having configured, thereby can on terminal board column direction, avoid the maximization of connector.In addition, in the present embodiment, the be disposed at part above-mentioned scope in of locking in metalwork 30 is and has tabular with the rectangular plate face of connector Width.Therefore, the sidewall 14 of the size of thickness of slab of guaranteeing the above-mentioned part on this connector Width on this connector Width scope each other, thus on this connector Width, also can avoid the maximization of connector.
In addition, because above-mentioned prominent wall 12 is along terminal board column direction, along the length direction extension of socket side housing 10, so compare with the situation that forms slot part in the wall thickness of end wall, can make the degree of depth of above-mentioned slot part (interior slot part 18B) fully increase.Therefore,, even if guaranteed the larger overhang of sticking department 33, hold up portion 32 and also can in above-mentioned interior slot part 18B, move the amount that is equivalent to this sticking department 33 to be accommodated in size required in above-mentioned interior slot part 18B.That is, the overhang of sticking department 33 is fully increased, thereby can guarantee the larger scope of part that can engagement with the locked 62C-1 of portion of supporting locking metalwork 60, thereby can stably obtain reliable lock-out state.
In addition, in the present embodiment, utilize the strain of the 31C-1 of strain portion of the base portion 31 that is arranged at locking metalwork 30 to allow sticking department 33 and hold up the movement on the terminal board column direction of portion 32.Like this, because being provided with the 31C-1 of strain portion at base portion 31 without making sticking department 33 self there is elasticity, therefore, can improving rigidity and even the intensity of sticking department 33 self, thereby can obtain stable lock-out state.In addition, by increasing the overhang of sticking department 33, rigidity and even the intensity of this sticking department 33 can be further improved, therefore, the further raising of the stability of lock-out state can be realized.
Locking metalwork in the present invention is not limited to present embodiment and can carries out various distortion.For example, as shown in Fig. 8 (A), not only also can form strain portion at base arm at prolongation arm.In Fig. 8 (A), for the part identical with the locking metalwork 30 of the first execution mode, mark has increased the symbol of " 100 ".In this variation, the 131A-2 of strain portion that can carry out strain on terminal board column direction (length direction of base arm 131A) of locking metalwork 130 forms in bending mode, so that two band-like plate parts of base arm 131A are outstanding towards the direction being separated from each other in the length direction centre position of base arm 131A.The 131A-2 of this strain portion is formed with the slit pore 131A-3 extending along terminal board column direction in above-below direction centre position in the position adjacent with linking part 131A-1.In the present embodiment, using the upper and lower thin that is positioned at this slit pore 131A-3 as the 131A-2 of strain portion, thereby make the 131A-2 of this strain portion more easily carry out strain.Except extending the 131C-1 of strain portion of arm 131C, increase and form the above-mentioned strain 131A-2 of portion at base arm 131A, thereby in the chimeric process of connector, sticking department 133 and to hold up portion 132 can be more swimmingly mobile towards terminal board column direction inner side (right side in Fig. 8 (A)).
In addition, as more different variation, as shown in Fig. 8 (B), also can latch-release operating portion be set and not form strain portion extending arm at base arm at prolongation arm.In Fig. 8 (B), increase the symbol of " 200 " for the part mark identical with the locking metalwork 30 of the first execution mode.In this variation, only have the terminal board column direction inner side in the base arm 231A of locking metalwork 230 part, hold up portion 232 and sticking department 233 by two overlapping formation of band-like plate, part is in addition formed by a band-like plate.
As shown in Fig. 8 (B), for the base arm 231A of locking metalwork 230, be formed with the 231A-2 of strain portion in its length direction centre position and at the outstanding bend of the side towards connector Width, the straight shape part of extending continuously from the 231A-2 of this strain portion is extended towards the direction contrary with the projected direction of the above-mentioned strain 231A-2 of portion.In addition, be formed with fold back portion in the end of above-mentioned straight shape part, extend arm 231C by making its front extend to form along the direction identical with the projected direction of the above-mentioned strain 231A-2 of portion.This prolongation arm 231C therebetween portion is outstanding bending towards terminal board column direction outside.
In this variation, for the above-mentioned strain 231A-2 of portion, when making the sticking department 233 in the chimeric process of connector and hold up portion 232 when (in Fig. 8 (A) right-hand) is mobile towards terminal board column direction inner side, allows to carry out this and move because carry out strain on terminal board column direction.
(the second execution mode)
In the first embodiment, although latch-release operating portion 31B is to be the mode bending of acute angle with respect to connector Width, but in the second execution mode, latch-release operating portion is right angle towards connector Width outside curve, different from the first execution mode structure in this.Fig. 9 is the transverse sectional view of a part for the related socket connector of the second execution mode, shows and the rectangular cross section of connector plugging direction.Except the base portion of above-mentioned locking metalwork, the shape of the socket connector of the second execution mode is identical with the shape of the first execution mode, therefore, for same section, adds " 300 " and the description thereof will be omitted on the basis of the Reference numeral of the first execution mode.
As shown in Figure 9, for the locking metalwork 330 in the second execution mode, two band-like plate parts of base arm 331A spread all over the whole region of terminal board column direction and extend in the same direction in close position mutually the compartment of terrain that separates same widths.And two latch-release operating portion 331B are bent into right angle in the left part of base arm 331A and in the direction being separated from each other towards connector Width outside.Like this, make the 331C-1 of strain portion tilt with respect to connector Width but extend towards the outside of this connector Width by making latch-release operating portion 331B be bent into right angle.
In the second execution mode, in the chimeric process of connector, when the supporting locking metalwork that is arranged at pin connector when sticking department 333 is pressed towards terminal board column direction inner side, and in the time that latch-release operating portion 331 in the situation of extracting connector is pressed towards terminal board column direction inner side, the displacement like that as shown in phantom in Figure 9 of locking metalwork 330.Particularly, the 331C-1 of strain portion carries out strain, the linking part 331A-1(left part of base arm 331A in the mode tilting towards terminal board column direction inner side) to each other and the latch-release operating portion 331B mode displacement of tilting with the direction being separated from each other on connector Width to each other.Its result, sticking department 333 is accommodated in the interior slot part of socket side housing 310, thereby can carry out each other chimeric of connector and extract.
(the 3rd execution mode)
In the first embodiment, although at least a portion of sticking department 33 and hold up portion 32 and be positioned at the slot part 18B of prominent wall 12, but in the 3rd execution mode, sticking department and the portion of holding up of locking metalwork expose and are arranged in incorporating section on terminal board column direction and in the position different from the prominent wall of socket side housing, in this, different from the structure of the first execution mode.Figure 10 is the stereogram that the related socket connector 401 of the 3rd execution mode is shown.Except the prominent wall of above-mentioned socket side housing, the shape of the socket connector 401 of the 3rd execution mode is identical with the shape of the socket connector 1 of the first execution mode, therefore,, for same section, on the basis of the Reference numeral of the first execution mode, add " 400 " and the description thereof will be omitted.
As shown in figure 10, the prominent wall 412 of socket side housing 410 has been formed as removing both ends on the terminal board column direction of prominent wall 12 of the first execution mode, has removed the shape that is formed with the part of interior slot part 18B on this terminal board column direction.Therefore, in the prominent wall 412 of the 3rd execution mode, do not form the interior slot part in the first execution mode, and the sticking department 433 of locking metalwork 430 and hold up portion 432 outside prominent wall 412 and and end wall surface 412B(and the rectangular face of terminal board column direction of this prominent wall portion) between expose in Er incorporating section, position 416 spaced apart.
In addition, in the present embodiment, as shown in figure 10, terminal 420 be formed as in the terminal 20 of the first execution mode, spread all over from than locking teat 23A position a little on the lower to contact site 21(free end) the shape of part being omitted.In the terminal 420 of this shape, locking teat 423A have as with the function of the function of the sticking department of locked portion (not shown) engagement of supporting terminal and the contact site that is electrically connected with it as contacting with above-mentioned locked portion.
In the socket connector 401 forming like this, in the chimeric process of connector and connector withdrawal process, sticking department 433 and hold up portion 432 can be towards the end wall surface 412B side shifting of above-mentioned prominent wall 412, thereby can carry out each other chimeric of connector and extract.
(the 4th execution mode)
In the first embodiment, although the locked 62C-1 of portion of the supporting locking metalwork 60 of pin connector 2 is arranged at the edge of the 62C of hole portion of the board 62 that turns back, but in the 4th execution mode, locked portion is formed as the teat outstanding from the plate face of the board that turns back, different from the first execution mode in this.Figure 11 shows the related pin connector 502 of the 4th execution mode, wherein, Figure 11 (A) is the stereogram that pin connector 502 is shown, Figure 11 (B) be with rectangular of the connector Width of the pin connector 502 of Figure 11 (A) on three-dimensional cutaway view.Except above-mentioned sticking department, the shape of the pin connector 502 of the 4th execution mode is identical with the shape of the pin connector 2 of the first execution mode, therefore,, for same section, on the basis of the Reference numeral of the first execution mode, add " 500 " and the description thereof will be omitted.
As shown in Figure 11 (A), Figure 11 (B), the locked 562C of portion of supporting locking metalwork 560 is formed as facing teat side-prominent in terminal board column direction from the plate of the board 562 that turns back.As shown in Figure 11 (B), implement punch process by internal side plate 562B and form the above-mentioned locked 562C of portion.Under jogged state of connector, as shown in Figure 11 (B), at the lower position of the sticking department 533 of the locking metalwork 530 of socket connector 501, the above-mentioned locked 562C of portion is positioned at the position that can extract towards connector direction (top) and these sticking department 533 engagements.
In first to fourth execution mode, the lower edge of the sticking department of locking metalwork almost extends to above-below direction and meets at right angles, extracting in operation of pin connector, the latch-release operation at other positions is essential, but also can be instead, there is the inclination edge that square neck is oblique along with trend terminal board column direction outside upward.Like this, in the time inclination edge being set at sticking department, if connector extract in withdrawal force more than constant basis towards above pull up pin connector, above-mentioned locked portion is from inclination edge (lower edge) butt of below and above-mentioned sticking department, thereby presses this sticking department towards terminal board column direction inner side.Its result, because the strain of strain portion of locking metalwork allows the movement of above-mentioned sticking department towards terminal board column direction inner side, and then the state that unlocks, therefore, connector can pull the plug out of the socket., owing to only depending on the operation that pulls up pin connector just can extract this pin connector, so need not latch-release operating portion be set at sticking department.In this manner, the very not large connector of advantageous applications locking intensity.In addition, replace the lower edge of sticking department or at the lower edge of sticking department and in the edge of locked portion, in the situation of setting inclination edge that square neck is oblique along with trend terminal board column direction inner side, also can obtain identical effect down.
In first to fourth execution mode, the locked portion of pin connector is formed at supporting locking metalwork, but may not be formed at supporting locking metalwork, for example, also can be formed at the plug side housing of pin connector.
In addition, in first to fourth execution mode, pin connector is circuit board electrical connector, but the kind of pin connector is not limited to this, for example, can be also the cable electric connector being connected with cable.

Claims (8)

1. a circuit board electrical connector, it is disposed on the installed surface of circuit substrate and to be connected with this circuit board electrical connector is chimeric from top as connector plugging direction makes mating connector with the rectangular above-below direction of this installed surface,
Described circuit board electrical connector has: take a housing that direction as length direction extend parallel with the installed surface of described circuit substrate; Arrange the multiple terminals that are held in this housing take described length direction as terminal board column direction; And be held in the locking metalwork of the end of the housing on described terminal board column direction,
Described housing has the opposed diapire of installed surface with the circuit substrate of one; And the perisporium of holding up upward from this diapire, described perisporium has: two sidewalls, and these two sidewalls extend along described terminal board column direction; And end wall, this end wall edge is extended with the rectangular Width of described terminal board column direction and by connected to each other the end on the described terminal board column direction of described sidewall, the space being surrounded by described perisporium is formed as the incorporating section for receiving mating connector,
Described circuit board electrical connector is characterised in that,
Described locking metalwork has: base portion, and this base portion has the part of extending along described terminal board column direction at the lower position of housing; Hold up portion, this hold up in the end wall of portion on this terminal board column direction scope each other from the part of described base portion towards above hold up; And sticking department, this sticking department from this top of holding up portion towards described end wall side-prominent and up can with the locked portion engagement that is arranged at mating connector,
The base portion of described locking metalwork has strain portion, in the chimeric process of connector, when be subject on described terminal board column direction external force time, described strain portion carries out strain on described terminal board column direction, leaves the movement such described terminal board column direction with the end wall from corresponding with this locking metalwork of holding up portion and described sticking department described in allowing.
2. circuit board electrical connector according to claim 1, is characterized in that,
The base portion of locking metalwork has the sweep stretching out towards connector Width outside near the position of end wall, above-mentioned sweep is formed as latch-release operating portion, this sweep has the exposed portions serve exposing outside towards housing, this exposed portions serve is subject to the pressing force towards the incorporating section of described housing side as operating physical force on terminal board column direction, makes thus the portion of holding up and sticking department can carry out leaving the movement such described terminal board column direction from the end wall corresponding with described locking metalwork.
3. circuit board electrical connector according to claim 1 and 2, is characterized in that,
Described locking metalwork has the prolongation arm extending along connector Width near the position of end wall, the end of this prolongation arm is formed as the maintained portion for being held in housing, and have outstanding by engagement teat from the above-below direction edge of this maintained portion, end wall is configured to: be formed with the maintenance slot part for receiving and keep described maintained portion, this maintenance slot part extends and opening downwards along the vertical direction, the opposed groove internal face in the above-below direction edge with described maintained portion in the groove internal face that forms this maintenance slot part is formed with stair-stepping fastener, this fastener can than the described lower edge by position on the lower of engagement teat and this engagement teat opposed and with this lower edge engagement, this fastener restriction is described by the movement downward of engagement teat.
According to claim 1 to the circuit board electrical connector described in any one in claim 3, it is characterized in that,
Housing has the prominent wall of holding up in incorporating section upward and extending along terminal board column direction from diapire, the both ends of this prominent wall on described terminal board column direction are formed with the storage slot part that opens wide and extend along the vertical direction towards end wall side, and at least a portion that the portion of holding up of locking metalwork is positioned at the sticking department of described storage slot part and locking metalwork is positioned at outside described storage slot part.
5. circuit board electrical connector according to claim 4, is characterized in that,
The portion of holding up of locking metalwork has from above-below direction edge towards the portion that is limited of connector Width outside curve, the groove internal face that forms the storage slot part of described housing is configured to: be formed with stair-stepping limiting unit, this limiting unit have the lower edge that is limited portion than position on the lower of the described portion of being limited and this opposed and can with the face of this lower edge engagement, this limiting unit limits the movement downward of described locking metalwork.
6. according to claim 4 or circuit board electrical connector claimed in claim 5, it is characterized in that,
The prominent wall of housing is being formed with than the top side's of the portion of holding up of locking metalwork position the upper wall of at least a portion sealing of the storage slot part of described prominent wall, the lower surface of this upper wall with described in hold up the upper limb of portion opposed and be positioned at can with the position of this upper limb engagement, thereby the top of holding up portion described in restriction displacement upward.
According to claim 1 to the circuit board electrical connector described in any one in claim 6, it is characterized in that,
For form in the groove internal face of storage slot part of housing on connector Width for mutual opposed opposed grooves internal face, be formed with on connector Width towards the outstanding protuberance of the portion of holding up that locks metalwork, this protuberance be positioned at can with described position of holding up portion's butt on connector Width, and by outstanding top limit on this connector Width described in hold up the position of portion.
8. an electric connector assembly, is characterized in that,
Possess: claim 1 is to the circuit board electrical connector described in any one in claim 7; And from the chimeric mating connector being connected of top and this circuit board electrical connector, this mating connector has locked portion, and this locked portion can be up under jogged state of connector and the sticking department engagement of the locking metalwork of circuit board electrical connector.
CN201310529705.8A 2012-11-02 2013-10-31 Circuit board electrical connector and electric connector assembly Active CN103811886B (en)

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