CN103904458A - Locking device of electric connector - Google Patents
Locking device of electric connector Download PDFInfo
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- CN103904458A CN103904458A CN201210580630.1A CN201210580630A CN103904458A CN 103904458 A CN103904458 A CN 103904458A CN 201210580630 A CN201210580630 A CN 201210580630A CN 103904458 A CN103904458 A CN 103904458A
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- electric connector
- locking device
- lid
- pair
- jut
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Abstract
The invention discloses a locking device of an electric connector. The locking device is composed of a body and a cover body. When the cover body is joined towards the joint portion of the body, a pair of end grooves and a pair of end hooks, which are arranged to be opposite to each other, of the two are mutually connected in a buckling mode so that a pair of fins of the front projection portion of the control rod of the cover body abut against a pair of oppositely arranged baffle sheets of the joint portion to form a first predetermined position state; when the projection portion of the control rod is pushed or pressed down by an external force, the elastic buckle hook of the control rod and the clamp hook of the joint portion are mutually connected in a buckling mode, the pair of fins enter an accommodation groove below the pair of baffle sheets, and a plug sheet inside the cover body pressurizes and deforms a pressure part of the terminal groove inside the body so as to lock each contact terminal in a terminal groove to form a second lock state. When the electric connector is at the first predetermined position state, no intervention is caused to a complementary electric connector, and the cover body is pushed through the complementary electric connector so that the cover body and the body form the second lock state.
Description
Technical field
The present invention is relevant a kind of electric connector, espespecially a kind of electric connector with locking device.
Background technology
Electric connector has finding more in electric equipment products, and its main application is the transmission of power supply or signal, and therefore, electric connector has been widely used for the connection of information products, and is indispensable member.
In practical application, the utilization of electric connector is not only aforesaid electric equipment products, and it is also widely used in the Circuits System of vapour, locomotive, using as connection.And for guaranteeing that electric connector inner contact terminal can be firmly locked, known electric connector is made up of a body and a lid.Wherein, the junction surface of this body has the terminal groove for contact terminal intercalation.And in order to allow before the latch of complementary electrical connector can stably insert the corresponding contact terminal arranging of this electric connector, this contact terminal must be in the lock state.
As Chinese patent disclose CN 101032058A Patent Case (corresponding to WIPO International Publication WO2006/034865 Patent Case) disclose a kind of locking device for connecting element and be provided with as described in the connector of device, this connector the second embodiment is made up of a lid and contact carrier module.Central authorities and the both sides thereof of this contact (contact terminal) carrier module sidewall have respectively column and counter stop part, and the joystick leading portion of this lid is respectively equipped with lock finger and removable stopper element, and this stopper element end forms projection kenel.This lid breech lock is in the process of contact carrier module, this lock finger and stopper element prop up column and the counter stop part of this contact carrier module separately, and the projection that makes complementary electrical connector leading section and this stopper element forms interference, make the latch of this complementary electrical connector cannot be plugged in the contact terminal in this contact carrier module.
Then, promoting lid with manual mode moves towards this contact carrier module, and while making this lock finger cross and be snapped in this column, the projection of this stopper element is also crossed counter stop part, make the projection of this joystick front end stopper element be subject to pressing of this complementary electrical connector leading section and be bent downwardly, and releasing interference state makes the latch of this complementary electrical connector be plugged in the contact terminal of this electric connector, and form electrical connection.
And this lid and contact carrier module be in breech lock process, this lid portion inside is provided with the insert-connecting plate of projection to pressure part position that should contact carrier module end pilot trench opening portion, and this insert-connecting plate can allow pressure part distortion, thereby contact terminal is produced to locking effect.
Therefore, by the enforcement of this prior art, in the time that contact terminal is not locked in electric connector inside really, can prevent that this electric connector from docking with mispluging of complementary electrical connector, thereby avoid the shell fragment of contact terminal to be subjected to damage.And the finder of the contact terminal of common electric connector in unlocked state is mostly the assembler in assembling factory, after now assembler must first be detached complementary electrical connector by this electric connector; Then, the contact carrier module of this electric connector and lid are formed to lock-out state, this complementary electrical connector could be docked with electric connector, to form electrical connection.This measure, the puzzlement that often causes assembler to assemble, and urgently improve.
Summary of the invention
Main purpose of the present invention is to provide a kind of locking device of electric connector, if when body and the unassembled extremely correct second segment locking of the lid kenel of this electric connector, that is this body and lid are in first paragraph pre-determined bit kenel, while making contact terminal be unlocked state in body, can pass through external force source, for example manual mode is pressed and the control lever that pushes this lid, makes this lid move to correct second segment locking kenel along body; Or utilize complementary electrical connector to dock with electric connector, make this complementary electrical connector push the control lever of this lid, make this lid move to correct second segment locking kenel along body, thereby make this intrinsic contact terminal form lock-out state.
For reaching aforesaid object, the technological means that the present invention takes is to provide a kind of locking device of electric connector, and it comprises:
One body, it has a junction surface of axially offering multiple terminal grooves, accommodating for contact terminal in described terminal groove, and each terminal groove opening portion has the setting of pressure part; And
One lid, its front has an opening, and end plate corresponding each contact terminal in rear is offered slotted eye, and inner corresponding described pressure part axially projects at least one insert-connecting plate;
Wherein two opposite end walls tops, relative a pair of end slot and the end hook of being provided with in bottom surface of this junction surface and at least one sidewall of lid, after two opposite end walls at this junction surface, front is respectively equipped with a grab and a pair of catch, and in this, catch below formed to a storage tank; And the side-wall shaft of this lid between two opposite end walls be to pivot joint one control lever, this control lever leading portion circumferentially and the axis of centres to being respectively equipped with a jut and an elastic clasp, and radially extend a pair of fin in this jut two bottom sides;
When this lid is towards junction surface when socket of this body, this is to end slot and end hook snapping each other, and this that makes this jut is connected to this to catch to fin, and formation first paragraph pre-determined bit kenel; In the time that the jut of this control lever is subject to the propelling movement of external force source and presses down, make this elastic clasp and this grab snapping each other, and this enters this in the storage tank of catch below to fin, and by the insert-connecting plate of this lid portion inside to the distortion of exerting pressure of the pressure part of this body interior terminal groove, to each contact terminal is locked in terminal groove, and form second segment locking kenel.
Brief description of the drawings
For further disclosing concrete technology contents of the present invention, below in conjunction with embodiment and brief description of the drawings as rear, wherein:
Fig. 1 is the three-dimensional exploded view of electric connector of the present invention;
Fig. 2 a to Fig. 2 c is the local amplification stereogram of lid of the present invention in the time that body is socketed;
Fig. 3 a to Fig. 6 is the local amplification stereogram of complementary electrical connector in the time of electric connector docking of the present invention;
Fig. 7 is the profile after electric connector group of the present invention is stood.
Embodiment
As shown in Figures 1 to 7, substantially, electric connector of the present invention is by a body 1, and a lid 2 forms.
Wherein, body 1 is by insulating material, and for example plastics are made.This body 1 rear has a junction surface 11, and these 11 fronts, junction surface are in abutting connection with a larger-size skirt section 12.Wherein, chat the socket of lid 2 after this junction surface 11 supplies, to be assembled into an electric connector, and this electric connector is for the docking of complementary electrical connector, to form electrical connection.Therefore, multiple terminal grooves 13 are axially offered at this junction surface 11, and each terminal groove 13 is interior accommodating for contact terminal 14 (being shown in Fig. 7), and 141, the wire of each contact terminal 14 skirt section 12 by these terminal groove 13 fronts passes.
Refer to Fig. 1 and Fig. 7, each terminal groove 13 opening portions are provided with a pressure part 131, and corresponding at least one multiple pressure parts 131 positions axial projection one insert-connecting plate 221 separately that is parallel longitudinal arrangement of lid 2; When each insert-connecting plate 221 is after corresponding pressure part 131 moves and inserts, can make this pressure part 131 strains, and its positioning convex portion 132 is buckled in the detent 142 that contact terminal 14 arranges, each contact terminal 14 is in the lock state.
The technical characterictic of this body 1 is, at least one sidewall 15 in this junction surface 11, the left and right end wall end face of for example roof is oppositely arranged a pair of end slot 151, and this projects respectively a grab 152 and a pair of rest pad 153 to rear central authorities and both sides between end wall, and this is separately provided with a pair of catch 154 relatively to rest pad 153 fronts, and in this, catch 154 belows are formed to a storage tank 155.In addition, these grab 152 rears are provided with a wedge shape inclined-plane 152a.
The technical characterictic of this lid 2 is, its sidewall in the same way 23 to sidewall 15 that should junction surface 11, the left and right end wall bottom surface of for example roof is to should being relatively provided with a pair of end hook 231 downwards in groove 151 positions in opposite end, and this is axially arranged with a control lever 24 to central authorities between end wall, these control lever 24 both sides are articulated in this sidewall 23 with a pair of fulcrum 241 one, make these control lever 24 leading portions have the characteristic of elastic bending.Wherein, these control lever 24 leading portions circumferentially and the axis of centres to being respectively equipped with a jut 242 and an elastic clasp 243, and these jut 242 two bottom sides are radially extended a pair of fin 244.Moreover for increasing the elasticity of this elastic clasp 243, its both sides and this control lever 24 are axially offered a pair of groove 245 that runs through abreast.In addition, this jut 242 is frame type and the bevelled setting of both sides, rear tool.
When electric connector assembling of the present invention, refer to Fig. 1, Fig. 2 a to Fig. 2 c, first contact terminal 14 is inserted in each terminal groove 13 of body 1, then lid 2 is socketed towards the junction surface 11 of body 1, lid 2 front openings 21 are pegged graft along junction surface 11.Now, the end hook 231 of the sidewall 23 end wall bottom surfaces, both sides of this lid 2 buckles in the end slot 151 that the sidewall 15 both sides end wall end faces at this junction surface 11 offer (as shown in Figure 2 a), and the unlikely junction surface 11 by body 1 of lid 2 is axially deviate from.The jut 242 both sides fins 244 of this control lever 24 are positioned at this to rest pad 153 tops and are connected to the 11 liang of side-lens 154 in this junction surface (as shown in Figure 2 b), these control lever 24 central elastic clasps 243 are adjacent to the wedge shape inclined-plane 152a (as shown in Figure 2 c) of this grab 152, and form first paragraph pre-determined bit kenel.
Now, assembler is with manual mode, for example point jut 242 application of forces of these control lever 24 front ends are pressed down, this is touched fin 244 on two rest pads 153 of below, to limit this amplitude that presses down to fin 244, and be conducive to this, fin 244 is departed to this butt to catch 154, then continue to push this control lever 24, to impel this to enter this in the storage tank 155 of catch 154 belows to fin 244.These control lever 24 central elastic clasps 243 are crossed this grab 152, and form snapping kenel, and the unlikely junction surface 11 by body 1 of lid 2 is axially deviate from.Now, these end plate 22 inner shafts are to the corresponding pressure part 131 arranging of multiple insert-connecting plates 221 insertion end pilot trench 13 projecting, each pressure part 131 is out of shape, and its positioning convex portion 132 is snapped in the detent 142 that contact terminal 14 arranges, and each contact terminal 14 is in the lock state, to form second segment locking kenel (as shown in Figure 7).
If assembler locks kenel because operation carelessness is not assembled to aforementioned second segment by body 1 and lid 2, carry out the butt-joint operation of electric connector and complementary electrical connector 3, refer to Fig. 3 a and Fig. 3 b, this complementary electrical connector 3 is inserted in by lid 2 fronts, because this body 1 is in first paragraph pre-determined bit kenel with lid 2, that is this of the jut 242 of this control lever 24 is positioned at this to rest pad 153 tops and is connected to the catch 154 (as shown in Figure 3 a) of these 11 both sides, junction surface fin 244, these control lever 24 central elastic clasps 243 are adjacent to the wedge shape inclined-plane 152a (as shown in Figure 3 b) of this grab 152.Now, the front-end edge 31 of this complementary electrical connector 3 not yet touches the jut 242 of this control lever 24.
Then, this complementary electrical connector 3 is continued to push along lid 2, make the front-end edge 31 of this complementary electrical connector 3 touch the jut 242 of this control lever 24, then continue to push this complementary electrical connector 3, make its front-end edge 31 press the jut 242 of this control lever 24 downwards, and by this rest pad 153 that fin 244 is touched to both sides, below, to limit this amplitude that presses down to fin 244, and be conducive to this, fin 244 is departed to this butt (as shown in Fig. 4 a) to catch 154; And these control lever 24 central elastic clasps 243 are still adjacent to the wedge shape inclined-plane 152a (as shown in Figure 4 b) of this grab 152.
Then, continue to push this complementary electrical connector 3, make its front-end edge 31 press the jut 242 of this control lever 24 downwards, and impel this to enter this in the storage tank 155 of catch 154 belows (as shown in Figure 5 a) to fin 244; These control lever 24 central elastic clasps 243 are crossed this grab 152, and form snapping kenel (as shown in Figure 5 b), and the unlikely junction surface 11 by body 1 of lid 2 is axially deviate from.Now, these end plate 22 inner shafts are to the corresponding pressure part 131 arranging of multiple insert-connecting plates 221 insertion end pilot trench 13 projecting, each pressure part 131 is out of shape, and its positioning convex portion 132 is snapped in the default detent of contact terminal 14 142, and each contact terminal 14 is in the lock state, to form second segment locking kenel (as shown in Fig. 5 a, Fig. 5 b and Fig. 7).
Finally, continue again to push this complementary electrical connector 3, make its front-end edge 31 press the jut 242 of this control lever 24 completely, and by this jut 242 and this to fin 244 in the interior flexural deformation of storage tank 155, and this is connected to this to rest pad 153 to fin 244, complete the butt-joint operation of this electric connector and complementary electrical connector, make latch (known, to be illustrated) and contact terminal 14 form electrical connection.
So, via enforcement of the present invention, its effect gaining is, the body of this electric connector and lid are by the setting of this locking device, make it manual mode carry out the assembling of first paragraph pre-determined bit kenel and the second segment locking kenel of this body and lid, make this electric connector and complementary connector be carried out normal butt-joint operation; Or because the assembling of the second segment locking kenel of this body and lid is not carried out in operation carelessness, and directly carry out and the butt-joint operation of complementary electrical connector, now push and press down the control lever leading portion of this lid by this complementary electrical connector, make the elastic clasp of this control lever and grab snapping each other that body is oppositely arranged, and automatically complete the assembling of second segment locking kenel, this control lever leading portion is subject to pressing of this complementary electrical connector, and flexural deformation in the storage tank of offering at this body makes this electric connector and complementary connector carry out normal butt-joint operation; The insert-connecting plate of lid portion inside is to the distortion of exerting pressure of the pressure part of body interior terminal groove, thereby makes each contact terminal be locked in terminal groove, is beneficial to this electric connector and is connected with the electrical equipment of complementary electrical connector.So this electric connector, in the time of first paragraph pre-determined bit kenel, unlikelyly forms and interferes complementary electrical connector, but pushes lid by this complementary electrical connector, make this lid and body form second segment to lock the assembling of kenel, can be rated as a large good structure of ware.
Disclosed, be the one of preferred embodiment, the change of every part or modification and come from technological thought of the present invention and for have the knack of this technology people was easy to know by inference, all de-claim categories of the present invention.
Claims (10)
1. a locking device for electric connector, it comprises:
One body, it has a junction surface of axially offering multiple terminal grooves, accommodating for contact terminal in described terminal groove, and each terminal groove opening portion has the setting of pressure part; And
One lid, its front has an opening, and end plate corresponding each contact terminal in rear is offered slotted eye, and inner corresponding described pressure part axially projects at least one insert-connecting plate;
Wherein two opposite end walls tops, relative a pair of end slot and the end hook of being provided with in bottom surface of this junction surface and at least one sidewall of lid, after two opposite end walls at this junction surface, front is respectively equipped with a grab and a pair of catch, and in this, catch below formed to a storage tank; And the side-wall shaft of this lid between two opposite end walls be to pivot joint one control lever, this control lever leading portion circumferentially and the axis of centres to being respectively equipped with a jut and an elastic clasp, and radially extend a pair of fin in this jut two bottom sides;
When this lid is towards junction surface when socket of this body, this is to end slot and end hook snapping each other, and this that makes this jut is connected to this to catch to fin, and formation first paragraph pre-determined bit kenel; In the time that the jut of this control lever is subject to the propelling movement of external force source and presses down, make this elastic clasp and this grab snapping each other, and this enters this in the storage tank of catch below to fin, and by the insert-connecting plate of this lid portion inside to the distortion of exerting pressure of the pressure part of this body interior terminal groove, to each contact terminal is locked in terminal groove, and form second segment locking kenel.
2. the locking device of electric connector as claimed in claim 1, wherein the grab both sides at the two opposite end walls rears at this junction surface further comprise a pair of rest pad, and before forming aforementioned second segment locking kenel, this of this jut is to touch this on rest pad to fin, to limit this amplitude that presses down to fin, and be conducive to this, fin is departed to this butt to catch, and impel this to enter this in the storage tank of catch below to fin.
3. the locking device of electric connector as claimed in claim 2, when wherein this jut is subject to external force source and presses completely, this jut and this be to fin flexural deformation in this storage tank, and this is connected to this to rest pad to fin.
4. the locking device of electric connector as claimed in claim 1, wherein this external force source refers to and with manual mode, the jut of this control lever is bestowed the action that pushes and press down.
5. the locking device of electric connector as claimed in claim 1, wherein this external force source refers to the lid that butts up against this electric connector with complementary electrical connector, and the jut of this control lever is bestowed to the action that pushes and press down by this complementary electrical connector.
6. the locking device of electric connector as claimed in claim 1, wherein this grab rear is provided with a wedge shape inclined-plane, and in the time forming aforementioned first paragraph pre-determined bit kenel, this elastic clasp is adjacent to the wedge shape inclined-plane of this grab.
7. the locking device of electric connector as claimed in claim 1, wherein this jut is frame type and the bevelled setting of both sides, rear tool.
8. the locking device of electric connector as claimed in claim 1, wherein the sidewall of this lid between two opposite end walls is articulated in this control lever both sides with a pair of fulcrum one.
9. the locking device of electric connector as claimed in claim 1, wherein these elastic clasp both sides and this control lever are axially offered a pair of groove that runs through abreast.
10. the locking device of electric connector as claimed in claim 1, wherein this pressure part has a positioning convex portion, and this positioning convex portion is buckled in the detent of contact terminal setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580630.1A CN103904458B (en) | 2012-12-28 | 2012-12-28 | The locking device of electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580630.1A CN103904458B (en) | 2012-12-28 | 2012-12-28 | The locking device of electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904458A true CN103904458A (en) | 2014-07-02 |
| CN103904458B CN103904458B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580630.1A Active CN103904458B (en) | 2012-12-28 | 2012-12-28 | The locking device of electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103904458B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571562A (en) * | 2015-10-09 | 2017-04-19 | 胡连精密股份有限公司 | Electric connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372357A (en) * | 2001-02-26 | 2002-10-02 | 日本压着端子制造株式会社 | Connector assembly with locking mechanism |
| CN101032058A (en) * | 2004-09-29 | 2007-09-05 | Fci公司 | Locking device for connector elements and a connector provided with said device |
| US8137142B1 (en) * | 2011-09-22 | 2012-03-20 | Yazaki North America, Inc. | Connector assembly |
-
2012
- 2012-12-28 CN CN201210580630.1A patent/CN103904458B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372357A (en) * | 2001-02-26 | 2002-10-02 | 日本压着端子制造株式会社 | Connector assembly with locking mechanism |
| CN101032058A (en) * | 2004-09-29 | 2007-09-05 | Fci公司 | Locking device for connector elements and a connector provided with said device |
| US8137142B1 (en) * | 2011-09-22 | 2012-03-20 | Yazaki North America, Inc. | Connector assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571562A (en) * | 2015-10-09 | 2017-04-19 | 胡连精密股份有限公司 | Electric connector |
| CN106571562B (en) * | 2015-10-09 | 2018-11-27 | 胡连精密股份有限公司 | Electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103904458B (en) | 2016-06-29 |
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