CN200947496Y - Card edge connector - Google Patents
Card edge connector Download PDFInfo
- Publication number
- CN200947496Y CN200947496Y CN 200620131773 CN200620131773U CN200947496Y CN 200947496 Y CN200947496 Y CN 200947496Y CN 200620131773 CN200620131773 CN 200620131773 CN 200620131773 U CN200620131773 U CN 200620131773U CN 200947496 Y CN200947496 Y CN 200947496Y
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- Prior art keywords
- terminal
- elastic arm
- row
- contact site
- terminal group
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- Expired - Lifetime
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Abstract
The utility model provides a card edge connector, it contains an insulator, one accepts in the last row of terminal group and the lower row of terminal group of this insulator. The insulating body is provided with a base part, and the base part is provided with a front end surface facing to the insertion direction of the electronic card and a rear end surface opposite to the front end surface. The lower row of terminal group comprises a plurality of first terminals and second terminals, each first terminal comprises a welding part, an elastic arm connected with the welding part and extending towards the front end surface direction, and a contact part extending to the tail end of the elastic arm; each second terminal comprises a welding part, an elastic arm connected with the welding part and extending towards the rear end surface, and a contact part extending to the tail end of the elastic arm. The equidirectional extension of elastic arm can guarantee to provide sufficient elastic arm long instrument and elasticity for the contact site of crisscross distribution around to can avoid the not enough easy permanent deformation's of terminal shortcoming of elasticity when reducing the insertion force, realize stable electricity and connect.
Description
Technical field
The utility model is about a kind of bayonet connector, especially about a kind of bayonet connector that is used for daughter board or electronic cards grafting.
Background technology
Existing most horizontal plug-in type bayonet connector, it on the contact site of row's terminal group and the terminal of time arranging terminal group in contact that electronic cards contacts all on same projection straight line.When a daughter board (Daughter Board) or electronic cards insertion, need the contact site of all terminals of ejection simultaneously.Thereby the user very requires great effort when inserting operation, and easily application of force inequality causes terminal bending distortion.
For addressing this problem, Chinese patent discloses a kind of improved horizontal plug-in type connector for No. 200520005631.Shown in Fig. 1 (a), 1 (b), this connector 7 comprises row's terminal group 71 on the body 70,, and arranges terminal group 72 once.Before an end that inserts towards electronic cards (not shown) with this body 70 is, front/rear end 700,701 from this body 70 is formed with the some row's of going up terminal containing slots 73 side by side and the following terminal containing slot 74 of arranging respectively, is used to accommodate the terminal 710,720 of the corresponding row's of going up terminal group 71 and following row's terminal group 72.The terminal 710 of row's terminal group 71 comprises connecting portion 712 that a weld part 711, extends from weld part 711, the elastic arm 713 that extends forward of this connecting portion 712 certainly on each, and continues the contact site 714 of extensions from this elastic arm 713.The connecting portion 722 that the terminal 720 of each time row terminal group 72 comprises a weld part 721, extend from weld part 721, the elastic arm 723 that extends back of this connecting portion 722 certainly, and continue the contact site 724 that extends from this elastic arm 723.Upward the contact site 714 of the terminal 710 of row's terminal group 71 extends down the top of the contact site 724 of the terminal 720 of arranging terminal group 72, and all contact sites 714,724 are that projection is on different straight line L3, L4 with the contact C that electronic cards contacts; Promptly upward arrange the terminals of adjacent 710 in the terminal group 71, elastic arm 713a, 713b, 723a, the 723b of the terminals of adjacent 720 of following row's terminal group 72 are all different in size, and be spaced apart before and after the corresponding 714a of adjacent contact portion, 714b, 724a, the 724b.Thereby it is forward contact site 714a, 724a of ejection successively when electronic cards is inserted, contact site 714b, 724b after ejection is leaned on; The user not power of costing can correctly insert electronic cards.
So with regard under arrange with regard to the terminal group 72, the contact site 724 of its terminal 720 be from the upper end of vertically extending connecting portion 712 from front end face 700 to back end 701 directions extend.Thereby when contacting with electronic cards, the elasticity deficiency that the terminal 720 that elastic arm 723a is short is provided very easily causes elastic fatigue distortion and then not tight with contacting of electronic cards, is electrically connected also unstable; Life of product is short.Thereby existing bayonet connector still needs further to improve.
The utility model content
The utility model mainly is that to insert resistance big in order to solve in the existing bayonet connector electronic cards, or causes terminal elasticity deficiency for reducing resistance, is electrically connected problem of unstable; Also provide and can convenient and strength-savingly insert, and terminal butt joint elasticity foot, be difficult for elastic fatigue.
The utility model provides following technical proposals: a bayonet connector, it comprises an insulating body, and is contained in the interior row's of the going up terminal group of this insulating body and arranges terminal group down.This insulating body has a base portion, and this base portion has a front end face and the rear end face relative with this front end face.This front end face is concaved with a slot, the both sides up and down of this slot are respectively equipped with most the row's of going up terminal containing slots and reach row's terminal containing slot down, should go up row's terminal group and be contained in row's terminal containing slot this on, and arrange terminal on each and have a contact site respectively and extend into this slot.This time row terminal group is contained in this time row terminal containing slot, and each time row terminal has a contact site respectively and extends into this slot.This time row terminal group comprises some the first terminals and second terminal, and each the first terminal comprises the elastic arm of the direction of the end face forward extension that a weld part, is connected with this weld part, reaches a contact site that extends this elastic arm end.Each second terminal comprises the elastic arm of the extension of direction to back end that a weld part, is connected with this weld part, reaches a contact site that extends this elastic arm end.
In one embodiment, the first terminal of this time row terminal group and second terminal are alternatively to be contained in down in row's terminal containing slot.Each the first terminal and second terminal further comprise a junction respectively, and this weld part and elastic arm are the both sides that extend this connecting portion; Be extended with a holding parts on this connecting portion.The elastic arm of this first terminal is to extend to back end earlier from connecting portion to bend end face extension forward again; The elastic arm of this second terminal is from connecting portion end face extension bending extension to back end more forward earlier.The terminals of adjacent of last row's terminal group has the elastic arm of different length and the contact site of diverse location, and terminal at interval has the elastic arm of equal length and the contact site of same position.The contact site of the terminal of the elasticity brachium of last row's terminal group and the contact site floor projection of the first terminal are on same straight line; Upward the contact site floor projection of the contact site of the terminal of the elastic arm weak point of row's terminal group and second terminal is on same straight line.
The utility model is than the bayonet connector of prior art, on arrange terminal group and the contact site of the terminal of row's terminal group is spaced apart before and after being down, reduced the resistance when electronic cards is inserted.Simultaneously, second terminal of bayonet connector of the present utility model comprise elastic arm respectively forward, the first terminal, second terminal that extend back, overcome the elastic arm of arranging the terminal of terminal group in the prior art down and all extend back, the short not enough shortcoming of elastic arm length.Have easy to use laborsaving, be electrically connected stable, the advantage of long product lifecycle.
Description of drawings
Fig. 1 (a) is the front view of an existing bayonet connector;
Fig. 1 (b) is the cutaway view along AA intercepting among Fig. 1;
Fig. 2 is located at stereogram on the circuit board according to the bayonet connector of the utility model one embodiment;
Fig. 3 (a) is the stereogram according to the bayonet connector of the utility model one embodiment;
Fig. 3 (b) is the E part partial enlarged drawing of bayonet connector among Fig. 3 (a);
Fig. 4 is the exploded view according to the bayonet connector of the utility model one embodiment;
Fig. 5, the 6th is according to the exploded stereogram of the bayonet connector of the utility model one embodiment;
Fig. 7 be according to the bayonet connector of the utility model one embodiment first, arrange the terminal stereogram of terminal group down;
Fig. 8 (a) is the front view according to a bayonet connector of the present utility model;
Fig. 8 (b) is the cutaway view along BB line intercepting among Fig. 8 (a);
Fig. 8 (c) is the cutaway view along CC line intercepting among Fig. 8 (a);
Fig. 8 (d) is the cutaway view along DD line intercepting among Fig. 8 (a).
Symbol description among the figure:
| 1 bayonet connector | 10 insertion ends |
| 2 insulating bodies | Arrange terminal containing slot on 20 |
| 200 accepting | 201 |
| 202 | |
| 21 times row's | 210 accepting |
| 211 | 212 holding slots |
| 22 | 220 |
| 221 | 222 |
| 223 upper surfaces | |
| 23 side arms | 230 guide channels |
| 24 | 25 slots |
| Arrange terminal group on 3 | 30 |
| 300 | 301 connecting |
| 302 | 303 |
| 304 | 305 protruding |
| 306a, 306b contact point |
| 4 times row's terminal group | The 40a the |
| 40b |
400a, |
| 401a, |
402a, 402b |
| 403a, |
404a, 404b holding parts |
| The protruding thorn of 405a, |
406a, 406b contact point |
| 5 trip mechanisms |
Embodiment
For better understanding spirit of the present utility model, it is described further below in conjunction with preferred embodiment of the present utility model.
Shown in Fig. 2,3 (a), 3 (b), a bayonet connector 1 according to the utility model embodiment is a horizontal plug-in type bayonet connector.This bayonet connector 1 can be located at a circuit board P and go up for a daughter board or electronic cards (not shown) grafting, and it comprises an insulating body 2, and is contained in upward arranging terminal group 3 and arranging terminal group 4 down of insulating body 2, reaches a trip mechanism 5.What this insulating body 2 was provided with plurality of parallel goes up row's terminal containing slot 20 and row's terminal containing slot 21 down, on arrange terminal group 3 and the terminal of row's terminal group 4 down and organize respectively in wherein, and the terminal of the row's of going up terminal group 3 is interspersed one by one with the terminal of row's terminal group 4 down.
Shown in Fig. 4,5,6, this insulating body 2 comprises a cuboid base portion 22, and the side arm 23 that extends from these base portion 22 length direction two ends.The plant space 24 that 23 definition of this base portion 22 and two side arms, one power supply subcard is planted, electronic cards can be inserted plant space 24 by the insertion end 10 of bayonet connector 1, and is inserted to the tram by the guiding of the two side arms 23 inboard guide channels 230 that are provided with.Base portion 22 has a front end face 220 towards insertion end 10, and the rear end face 221 relative with this front end face 220.Connect this front end face 220 along its length and be formed with a lower surface 222 towards circuit board P with rear end face 221, and the upper surface 223 relative with lower surface 222.221 directions depression one can be for the slot 25 of daughter board or the butt joint of electronic chuck plate edge to back end from base portion 22 front end faces 220, the row's of going up terminal containing slot 20 of plurality of parallel and down row's terminal containing slot 21 promptly cave in opposite directions and be formed at slot 25 upsides and downside respectively from front/rear end 220,221.Row's terminal containing slot 20 comprises the accepting groove section 200 from base portion 22 lower surfaces 222 and rear end face 221 parts depression on each, and connects the docking groove section 201 to front end face 220 from base portion 22 rear end faces 221 close upper surface 223 places.A holding slot 202 can further cave in forward from these accepting groove section 200 vertical approximately middle places.Each time row terminal containing slot 21 comprises an accepting groove section 210 that is recessed to form from front end face 220 and lower surface 222, and from the docking groove section 211 of front end face 220 parts depression.This accepting groove section 210 can be further from lower surface 222 holding slot 212 that upwards caves in.
As shown in Figure 7, the elastic arm 302 that each terminal 30 of row's terminal group 3 has a weld part 300, a connecting portion 301 that is connected with this weld part 300, is connected with this connecting portion 301 on this reaches the contact site 303 that is connected with elastic arm 302.Concrete, the connecting portion 301 of the terminal 30 of the row's of going up terminal group 3 is to extend back from vertically extending weld part 300 1 ends to extend upward again in the present embodiment, a holding parts 304 is extended at the middle approximately place of this section of extending upward forward certainly, which is provided with some protruding thorns 305.Shown in Fig. 8 (a), 8 (b), after 30 groups of the terminals of last row terminal group 3 are gone into the row's of going up terminal containing slot 20, connecting portion 301 is contained in accepting groove section 200, elastic arm 302 extends docking groove section 201, contact site 303 extends slot 25, and holding parts 304 is contained in holding slot 202, and its epirelief thorn 305 and cell wall closely cooperate and can prevent that terminal 30 from deviating from last row's terminal containing slot 20.When inserting for electronic cards convenient and strength-saving for the purpose of, elastic arm 302 length that should go up the terminal 30 of row's terminal group 3 in the present embodiment differ, and are length and are provided with at interval.The contact point 306a projectable that the contact site 303 of the terminal 30 that corresponding elastic arm 302 is long contacts with electronic cards is on a forward L1 line on the horizontal plane; And the contact point 306b projectable that the contact site 303 of the short terminal 30b of elastic arm 302 contacts with electronic cards is in a L2 line after leaning on the horizontal plane.
Return Fig. 7, for cooperating row's terminal group 3, following row's terminal group 4 comprises two kinds of the first terminal 40a and second terminal 40b that structure is different.Each the first terminal 40a and the elastic arm 402a (402b) that the second terminal 40b has a weld part 400a (400b), a connecting portion 401a (401b) who is connected with this weld part 400a (400b) equally, is connected with this connecting portion 401a (401b) reach the contact site 403a (403b) that is connected with elastic arm 402a (402b).Concrete, connecting portion 401a (401b) is from vertically extending weld part 400a (400b) end horizontal-extending, extends upward a holding parts 404a (404b) from its rear end, which is provided with some protruding thorn 405a (405b).Shown in 8 (a), 8 (c), 8 (d), after terminal 40a, the 40b that arranges terminal group 4 down organizes down and arranges terminal containing slot 21, connecting portion 401a (401b) is contained in accepting groove section 210, elastic arm 402a (402b) is contained in docking groove section 211, contact site 403a (403b) extends slot 25, and holding parts 404a (404b) is contained in holding slot 212, and its epirelief thorn 405a (405b) closely cooperates with cell wall can prevent that terminal 40a, 40b from deviating from from arranging terminal containing slot 21 belows down.The difference of the first terminal 40a and the second terminal 40b is: the elastic arm 402a of the first terminal 40a is that oblique more preceding the extension extended in earlier oblique back; The elastic arm 402b of the second terminal 40b extends oblique again back earlier forward to extend.The contact site 403a of corresponding the first terminal 40a is forward than the contact site 403b of the second terminal 40b, but the contact point 406a homolographic projection that the contact site 403a of the first terminal 40a contacts with electronic cards is on a forward L1 line on the horizontal plane; And but the contact point 406b homolographic projection that the contact site 403b of the second terminal 40b contacts with electronic cards is in a L2 line after leaning on the horizontal plane.Certainly the physical location of the contact point of each contact site is according to the adjustment that is provided with of electronic cards upper contact, and present embodiment only illustrates spiritual place of the present utility model and non-limiting.
When electronic cards is inserted, the row's of going up terminal group 3 and the terminal of arranging down in the terminal group 4 that its first ejection contact point 306a, 406a are forward; Along with the terminal in the row's of the going up terminal group 3 and the row's terminal group 4 down that advance after ejection contact point 306b, 406b lean on subsequently; The resistance that is subjected in the time of so can reducing user's plug-in card significantly, the plug-in card rapid operation is smooth and easy.Simultaneously, for arranging the terminal of terminal group 4 down, the elastic arm 402a of the first terminal 40a that contact point 406a is forward is that oblique more preceding the extension extended in earlier oblique back; The elastic arm 402b of the second terminal 40b after contact point 406b leans on extends earlier one section oblique again back forward to extend; Thereby guarantee elastic arm 402a, the 402b long enough of first, second terminal 40a, 40b.Thereby, avoid with electronic cards loose contact and the easy elastic fatigue of elastic arm 402a, 402b and the shortcoming of permanent deformation for contact site 403a, the 403b of first, second terminal 40a, 40b provides enough elasticity.
In sum, compare with the bayonet connector of prior art, the row's of going up terminal group of bayonet connector of the present utility model is with the contact site of the terminal of row's terminal group is spaced apart before and after being down, the contact site of ejection front and back position successively when electronic cards is inserted, thereby the resistance when reducing electronic cards significantly and inserting.Simultaneously, since second terminal comprise elastic arm respectively forward, the first terminal, second terminal that extend back, all has sufficiently long elastic arm after guaranteeing that contact point is forward and leaning on, overcome the elastic arm of arranging the terminal group terminal in the prior art down and all extend back, the short not enough and yielding shortcoming of elastic arm length.
Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application claim.
Claims (6)
1. bayonet connector, it comprises on the insulating body, row's terminal group and arranges terminal group once; This insulating body has a base portion, and this base portion has a front end face and the rear end face relative with this front end face; This front end face is concaved with a slot, the both sides up and down of this slot are respectively equipped with most the row's of going up terminal containing slots and reach row's terminal containing slot down, should the row's of going up terminal group be contained in row's terminal containing slot on this, row's terminal has a contact site respectively and extends into this slot on each, this time row terminal group is contained in this time row terminal containing slot, and each time row terminal has a contact site respectively and extends into this slot; It is characterized in that this time row terminal group comprises some the first terminals and second terminal, each the first terminal comprises the elastic arm of the direction of the end face forward extension that a weld part, is connected with this weld part, reaches a contact site that extends this elastic arm end; Each second terminal comprises the elastic arm of the extension of direction to back end that a weld part, is connected with this weld part, reaches a contact site that extends this elastic arm end.
2. bayonet connector as claimed in claim 1 is characterized in that the first terminal of this time row terminal group and second terminal are alternatively to be contained in down in row's terminal containing slot.
3. bayonet connector as claimed in claim 2, the elastic arm that it is characterized in that this first terminal are that direction extension to back end bends end face direction extension forward more earlier; The elastic arm of this second terminal is that the extension of end face direction bends direction extension to back end more forward.
4. bayonet connector as claimed in claim 3 is characterized in that each the first terminal and second terminal further comprise a junction respectively, and this weld part and elastic arm are the both sides that extend this connecting portion; Be extended with a holding parts on this connecting portion.
5. as claim 1,2, one of 3 described bayonet connectors, the terminals of adjacent that it is characterized in that row's terminal group on this has the elastic arm of different length and the contact site of diverse location, and terminal at interval has the elastic arm of equal length and the contact site of same position.
6. bayonet connector as claimed in claim 5, the contact site floor projection that it is characterized in that arranging the contact site of terminal of elasticity brachium of terminal group and the first terminal is on same straight line; Upward the contact site floor projection of the contact site of the terminal of the elastic arm weak point of row's terminal group and second terminal is on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620131773 CN200947496Y (en) | 2006-08-25 | 2006-08-25 | Card edge connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620131773 CN200947496Y (en) | 2006-08-25 | 2006-08-25 | Card edge connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200947496Y true CN200947496Y (en) | 2007-09-12 |
Family
ID=38734560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620131773 Expired - Lifetime CN200947496Y (en) | 2006-08-25 | 2006-08-25 | Card edge connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200947496Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201625A (en) * | 2010-03-25 | 2011-09-28 | 昆山宏泽电子有限公司 | Card edge connector |
| CN103117475A (en) * | 2013-03-13 | 2013-05-22 | 昆山宏泽电子有限公司 | High-speed transmission card edge connector |
| CN104810671A (en) * | 2014-01-28 | 2015-07-29 | 日本航空电子工业株式会社 | Connector |
| CN114361836A (en) * | 2021-12-27 | 2022-04-15 | 昆山宏泽电子有限公司 | Anti-interference card edge connector |
-
2006
- 2006-08-25 CN CN 200620131773 patent/CN200947496Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201625A (en) * | 2010-03-25 | 2011-09-28 | 昆山宏泽电子有限公司 | Card edge connector |
| CN103117475A (en) * | 2013-03-13 | 2013-05-22 | 昆山宏泽电子有限公司 | High-speed transmission card edge connector |
| CN104810671A (en) * | 2014-01-28 | 2015-07-29 | 日本航空电子工业株式会社 | Connector |
| CN104810671B (en) * | 2014-01-28 | 2018-04-06 | 日本航空电子工业株式会社 | Connector |
| CN114361836A (en) * | 2021-12-27 | 2022-04-15 | 昆山宏泽电子有限公司 | Anti-interference card edge connector |
| CN114361836B (en) * | 2021-12-27 | 2023-12-15 | 昆山宏泽电子有限公司 | Anti-interference card edge connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070912 |
|
| EXPY | Termination of patent right or utility model |