CN202840017U - Card edge connector - Google Patents
Card edge connector Download PDFInfo
- Publication number
- CN202840017U CN202840017U CN201220383505.7U CN201220383505U CN202840017U CN 202840017 U CN202840017 U CN 202840017U CN 201220383505 U CN201220383505 U CN 201220383505U CN 202840017 U CN202840017 U CN 202840017U
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- CN
- China
- Prior art keywords
- arm
- insulating body
- bayonet connector
- electronic cards
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a card edge connector which comprises an insulating body, a pair of locking devices and a plurality of terminals. Each locking device comprises a first arm and a second arm which are connected with each other on a base terminal. In addition, the first arm is inserted into the insulating body from one side facing an electronic card, and the second arm extends out from the insulating body from the other side facing the electronic card. Therefore, the effective elastic moment arm length of the locking devices is the length of the whole second arm. In comparison with the prior art, as transverse width of the insulating body is added to the effective elastic moment arm length, the effective elastic moment arm length in the utility model is long, elasticity is large, rigidity is small, it is easy for an insert operation of the electronic card, and horizontal and vertical dimensions of the card edge connector will not be increased.
Description
Technical field
The utility model relates to a kind of bayonet connector, relates in particular to a kind of small size bayonet connector.
Background technology
In the prior art, bayonet connector mainly comprises: an insulating body, this insulating body have its first transversely relative side and the second side and its vertically on relative first end and the second end, the first side at this insulating body is formed with an elongated longitudinal socket, is used for inserting an electronic cards; A pair of card locking device lays respectively at first end and the second end place of insulating body, is used for the edge that the electronic cards of insulating body is inserted in locking; With a plurality of terminals, be contained in the insulating body, have the first side of being positioned at insulating body, that be used for the contact site that electrically contacts with electronic cards and the second side that is positioned at insulating body, be used for being electrically connected to a connection leg on the circuit board.
In the prior art, in order to reduce bayonet connector size in a longitudinal direction, the single straight flexure strip of the general employing of each card locking device, one end of this straight flexure strip from the side at electronic cards place (namely, the first side of insulating body) insert in the insulating body, the other end is formed with the buckle structure that the edge card with electronic cards is buckled together.
But, the effective elasticity arm of force length of this existing bayonet connector only extends beyond the length of insulating body from a side at electronic cards place for straight flexure strip, that is, the whole length that equals straight flexure strip deducts the length of inserting insulating body, rather than equals the length of whole straight flexure strip.Therefore, in the prior art, the effective elasticity arm of force length of bayonet connector is shorter, its elasticity is inadequate, and rigidity is larger, causes electronic cards update difficulty, if increase effective elasticity arm of force length, can cause again in a lateral direction oversize of bayonet connector.
The utility model content
The purpose of this utility model is intended to solve at least one aspect of the above-mentioned problems in the prior art and defective.
According to an aspect of the present utility model, a kind of bayonet connector is provided, comprise: an insulating body, have in its first transversely relative side and the second side, and its vertically on relative first end and the second end, the first side at described insulating body is formed with an elongated longitudinal socket, is used for inserting an electronic cards; A pair of card locking device lays respectively at first end and the second end place of described insulating body, is used for the electronic cards that described insulating body is inserted in locking; With a plurality of terminals, be contained in the described insulating body, have the first side of being positioned at described insulating body, that be used for the contact site that electrically contacts with described electronic cards and the second side that is positioned at described insulating body, be used for being electrically connected to a connection leg on the circuit board, wherein, each described card locking device comprises: the first arm, and described the first arm is from the second side of described insulating body is inserted inserting groove on the end that is formed on insulating body; The second arm, relative with described the first arm, be positioned at the outside of the end wall of described insulating body, and extend beyond the first side of described insulating body from the second side of described insulating body, be formed with the latch-up structure with the edge join of described electronic cards on the free end of described the second arm; And connecting portion, in the second side of described insulating body, be used for connecting the base end of described the first arm and described the second arm.
According to a preferred embodiment of the present utility model, described bayonet connector flatly is placed on the described circuit board, and described electronic cards is along inserting in the longitudinal socket of described bayonet connector with the horizontal direction of described circuit board almost parallel.
According to another preferred embodiment of the present utility model, described card locking device also comprises: at least one bonding pad that is connected with described the first arm or the second arm, and for the surface that after described electronic cards plug card edge connector, is welded to described circuit board.
According to another preferred embodiment of the present utility model, described card locking device comprises: the first bonding pad is connected with the downside towards circuit board of the base end of described the first arm; With the second bonding pad, be connected with the free-ended downside towards circuit board of described the second arm.
According to another preferred embodiment of the present utility model, described the first bonding pad flatly extends to the inboard of described bayonet connector from described the first arm; And described the second bonding pad flatly extends to the inboard of described bayonet connector from described the second arm.
According to another preferred embodiment of the present utility model, described latch-up structure comprises: the first shell fragment by described the second bonding pad consists of is used for the lower surface towards circuit board by the edge protuberance that is pressed in described electronic cards; The second shell fragment, relative with described the second bonding pad, be used for the upper surface by the edge protuberance that is pressed in described electronic cards; With the 3rd shell fragment, be used for an end face by the edge protuberance that is pressed in described electronic cards.
According to another preferred embodiment of the present utility model, be formed with emargintion on the edge of described electronic cards, and described latch-up structure comprises a projection, be used for being snapped into the emargintion of described electronic cards.
According to another preferred embodiment of the present utility model, described the first arm is inserted in the mode of interference engagement or interference fit in the inserting groove on the end of described insulating body.
According to another preferred embodiment of the present utility model, be formed with a plurality of projections on described the first arm, for the engaging force between the inserting groove on the end of enhancing and described insulating body.
According to another preferred embodiment of the present utility model, described the first arm be shorter in length than described the second arm, and described the first arm does not extend beyond the second side of described insulating body.
According to another preferred embodiment of the present utility model, the connection leg of described a plurality of terminals is electrically connected on the described circuit board with the mode of welding or the mode of grafting.
Card locking device of the present utility model is included in interconnective the first arm of base end and the second arm, and the first arm inserts the insulating body from a side relative with electronic cards, and the second arm extends beyond insulating body from a side relative with electronic cards, therefore, the effective elasticity arm of force length of card locking device of the present utility model is the length of whole the second arm.Therefore, compared with prior art, effective elasticity arm of force length of the present utility model has increased the transverse width of an insulating body, therefore, effective elasticity arm of force length of the present utility model is longer, and its elasticity is large, and rigidity is little, be easy to the update of electronic cards, and can not increase the size of bayonet connector on horizontal and vertical.
By the description of hereinafter with reference to accompanying drawing the utility model being done, other purpose of the present utility model and advantage will be apparent, and can help that the utility model is had comprehensive understanding.
Description of drawings
Fig. 1 shows the schematic perspective view according to the bayonet connector of an embodiment of the present utility model;
Fig. 2 shows the schematic perspective view of a card locking device of the bayonet connector among Fig. 1;
Schematic perspective view when Fig. 3 shows watching from another direction of card locking device among Fig. 2;
Fig. 4 shows the transverse sectional view of the bayonet connector among Fig. 1, and the first arm that wherein demonstrates card locking device inserts in the inserting groove in the insulating body; With
Fig. 5 shows that electronic cards is inserted in the bayonet connector among Fig. 1 and by this bayonet connector and is electrically connected to a schematic diagram on the circuit board.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to the utility model execution mode is intended to overall utility model design of the present utility model is made an explanation with reference to accompanying drawing, and not should be understood to a kind of restriction of the present utility model.
Fig. 1 shows the schematic perspective view according to the bayonet connector 100 of an embodiment of the present utility model.Fig. 5 shows that an electronic cards 300 is inserted in the bayonet connector 100 among Fig. 1 and by this bayonet connector 100 and is electrically connected to a schematic diagram on the circuit board 200.
In an embodiment of the present utility model, in use, such as Fig. 1 and shown in Figure 5, bayonet connector 100 flatly is placed on the circuit board 200, for example on the motherboard of notebook computer, like this, can reduce the thickness of notebook computer.
As shown in Figure 1, bayonet connector 100 has an insulating body 110, and this insulating body 110 for example forms by plastic cement is molded.
Such as Fig. 1 and shown in Figure 5, insulating body 110 has a longitudinal direction Y and a horizontal direction X, horizontal plane of the common restriction of this longitudinal direction Y and horizontal direction X, this bayonet connector 100 is arranged on the surface of circuit board 200 in the mode that is parallel to this horizontal plane.Simultaneously, insulating body 110 also has the short transverse (that is, thickness direction) perpendicular to longitudinal direction Y and horizontal direction X.
For can level and be arranged on reposefully on the surface of circuit board 200, upper surface and the lower surface of the insulating body 110 of this bayonet connector 100 be the flat surfaces that is parallel to horizontal plane.As shown in Figure 5, electronic cards 300 is roughly in the along continuous straight runs plug card edge connector 100.
Although the bayonet connector shown in the figure 100 is the horizontal type bayonet connector that flatly is placed on the circuit board 200,, the utility model is not limited to this, and bayonet connector also can be for erectly being arranged on the erect type bayonet connector on the circuit board.
Such as Fig. 1 and shown in Figure 5, the insulating body 110 of bayonet connector 100, have the first side S1 (rear side among Fig. 1) relative on its horizontal direction X and the second side S2 (front side among Fig. 1), and on its longitudinal direction relative first end (left end among Fig. 1) and the second end (right-hand member among Fig. 1), the first side S1 at insulating body 110 is formed with an elongated longitudinal socket 112, is used for inserting electronic cards 300.
Such as Fig. 1 and shown in Figure 5, a pair of card locking device 120,120 lays respectively at first end and the second end place of insulating body 110, is used for the electronic cards 300 that insulating body 110 is inserted in locking.
Please continue referring to Fig. 1 and Fig. 5, a plurality of terminals 130 are contained in the insulating body 110, and that each terminal 130 has is the first side S1 of being positioned at insulating body 110, that be used for the contact site 130b that electrically contacts with electronic cards 300 and the second side S2 that is positioned at insulating body 110, be used for being electrically connected to a connection leg 130a on the circuit board 200.
Fig. 2 shows the schematic perspective view of a card locking device 120 of the bayonet connector 100 among Fig. 1; Schematic perspective view when Fig. 3 shows watching from another direction of card locking device 120 among Fig. 2; Fig. 4 shows the transverse sectional view of the bayonet connector 100 among Fig. 1, and the first arm 121 that wherein demonstrates card locking device 120 inserts in the inserting groove 111 in the insulating bodies 110.
To shown in Figure 5, in an embodiment of the present utility model, each card locking device 120 comprises such as Fig. 1: the first arm 121, and described the first arm 121 is from the second side S2 of insulating body 110 inserts inserting groove 111 on the end that is formed on insulating body 110; The second arm 122, relative with the first arm 121, be positioned at the outside of the end wall of insulating body 110, and extend beyond the first side S1 of insulating body 110 from the second side S2 of insulating body 110, be formed with the latch-up structure with the edge join of electronic cards 300 on the free end of the second arm 122; With connecting portion 123, at the second side S2 of insulating body 110, be used for connecting the base end of the first arm 121 and the second arm 122.
According to an embodiment of the present utility model, card locking device 120 also comprises: at least one bonding pad 124,125 that is connected with the first arm 121 or the second arm 122, be used for after electronic cards 300 plug card edge connectors, being welded to the surface of circuit board 200, in order can flatly to be welded on the surface of circuit board 200, each bonding pad 124,125 basal surface roughly are on the surperficial parallel same level plane with circuit board 200.
Particularly, such as Fig. 1, Fig. 2 and shown in Figure 5, card locking device 120 comprises: the first bonding pad 124 is connected with the downside towards circuit board 200 of the base end of the first arm 121; With the second bonding pad 125, be connected with the free-ended downside towards circuit board 200 of the second arm 122.
Such as Fig. 1, Fig. 2 and shown in Figure 5, the first bonding pad 124 flatly extends to the inboard of bayonet connector 100 from the first arm 121; And the second bonding pad 125 flatly extends to the inboard of bayonet connector 100 from the second arm 122.
Extremely shown in Figure 5 such as Fig. 1, in an embodiment of the present utility model, be formed with respectively an edge protuberance 310 on the both sides of the edge of electronic cards 300, and latch-up structure comprises: the first shell fragment by the second bonding pad 125 consists of is used for the lower surface towards circuit board 200 by the edge protuberance 310 that is pressed in electronic cards 300; The second shell fragment 126, relative with the second bonding pad 125, be used for the upper surface by the edge protuberance 310 that is pressed in electronic cards 300; With the 3rd shell fragment 127, be used for an end face by the edge protuberance 310 that is pressed in electronic cards 300.Like this, as shown in Figure 5, after electronic cards 300 plug card edge connectors 100, electronic cards 300 just can be held on the bayonet connector 100 reliably.
Although in Fig. 1 to Fig. 5, disclose by a plurality of pintle hook lock shell fragments 125 on the bayonet connector 100,126,127 with the edge protuberance 310 mutual embodiment that engage of electronic cards 300, but, the utility model is not limited to this, also can be formed with emargintion at the edge of electronic cards 300, and latch-up structure comprises a projection, is used for being snapped into the emargintion of electronic cards 300.
As shown in Figure 4, in an embodiment of the present utility model, the first arm 121 is inserted in the mode of interference engagement or interference fit in the inserting groove 111 on the end of insulating body 110, and engaging between the inserting groove 111 on the end of such the first arm 121 and insulating body 110 is more reliable.
Particularly, in an embodiment of the present utility model, be formed with on the first arm 121 a plurality of protruding 128, be used for strengthening and the end of insulating body 110 on inserting groove 111 between engaging force, a plurality of protruding 128 can be formed on the first arm 121 any side surfaces.
Such as Fig. 1, Fig. 2 and shown in Figure 4, the first arm 121 be shorter in length than the second arm 122, and the first arm 121 does not extend beyond the second side of insulating body 110.In an embodiment of the present utility model, the length of the first arm 121 can be equal to or less than the transverse width of insulating body 110.
Such as Fig. 1 and shown in Figure 5, in an embodiment of the present utility model, the connection leg 130a of a plurality of terminals 130 is the welded gasket of level, be used for being welded to circuit board 200, but, the utility model is not limited to this, and the connection leg 130a of a plurality of terminals 130 also can be vertical contact pin, is used for being plugged into circuit board 200.
Such as Fig. 1 and shown in Figure 5, after electronic cards 300 was inserted in the bayonet connector 100, the electric contact 311 of electronic cards 300 1 sides was electrically connected with the contact site 130b of the first side S1 that is positioned at insulating body 110 of a plurality of terminals 130 of bayonet connector 100.The connection leg 130a of the second side S2 that is positioned at insulating body 110 of a plurality of terminals 130 of bayonet connector 100 is welded on the circuit board 200.Like this, just realized being electrically connected between electronic cards 300 and the circuit board 200 by bayonet connector 100.
In addition, as shown in Figure 5, the electric contact 312 of electronic cards 300 opposite sides is used for being electrically connected with the connector (not shown) of another pairing.
Although by reference to the accompanying drawings the utility model is illustrated, disclosed embodiment is intended to execution mode of the present utility model is carried out exemplary illustration in the accompanying drawing, and can not be interpreted as a kind of restriction of the present utility model.
Although some embodiment of this overall utility model design are shown and explanation, those skilled in the art will appreciate that, in the situation of the principle that does not deviate from this overall utility model design and spirit, can make a change these embodiment, scope of the present utility model limits with claim and their equivalent.It should be noted that word " comprises " does not get rid of other element or step, and word " " or " one " do not get rid of a plurality of.In addition, any element numbers of claim should not be construed as restriction scope of the present utility model.
Claims (11)
1. bayonet connector comprises:
An insulating body (110), have in its transversely relative the first side (S1) and the second side (S2), and its vertically on relative first end and the second end, the first side (S1) at described insulating body (110) is formed with an elongated longitudinal socket (112), is used for inserting an electronic cards (300);
A pair of card locking device (120,120) lays respectively at first end and the second end place of described insulating body (110), is used for the electronic cards (300) that described insulating body (110) is inserted in locking; With
A plurality of terminals (130), be contained in the described insulating body (110), have the first side (S1) of being positioned at described insulating body (110), that be used for the contact site (130b) that electrically contacts with described electronic cards (300) and the second side (S2) that is positioned at described insulating body (110), for the connection leg (130a) that is electrically connected on the circuit board (200)
It is characterized in that:
Each described card locking device (120) comprising:
The first arm (121), described the first arm (121) is from the second side of described insulating body (110) is inserted inserting groove (111) on the end that is formed on insulating body (110);
The second arm (122), relative with described the first arm (121), be positioned at the outside of the end wall of described insulating body (110), and extend beyond first side (S1) of described insulating body (110) from second side (S2) of described insulating body (110), be formed with the latch-up structure with the edge join of described electronic cards (300) on the free end of described the second arm (122); With
Connecting portion (123) in second side (S2) of described insulating body (110), is used for connecting the base end of described the first arm (121) and described the second arm (122).
2. bayonet connector according to claim 1 is characterized in that:
Described bayonet connector (100) flatly is placed on the described circuit board (200), and described electronic cards (300) is along inserting in the longitudinal socket (112) of described bayonet connector (100) with the horizontal direction of described circuit board (200) almost parallel.
3. bayonet connector according to claim 2 is characterized in that, described card locking device (120) also comprises:
At least one bonding pad that is connected with described the first arm (121) or the second arm (122) is for the surface that is welded to described circuit board (200) after described electronic cards (300) plug card edge connector.
4. bayonet connector according to claim 3 is characterized in that, described card locking device (120) comprising:
The first bonding pad (124) is connected with the downside towards circuit board (200) of the base end of described the first arm (121); With
The second bonding pad (125) is connected with the free-ended downside towards circuit board (200) of described the second arm (122).
5. bayonet connector according to claim 4 is characterized in that:
Described the first bonding pad (124) flatly extends to the inboard of described bayonet connector from described the first arm (121); And
Described the second bonding pad (125) flatly extends to the inboard of described bayonet connector from described the second arm (122).
6. bayonet connector according to claim 5 is characterized in that,
Be formed with edge protuberance (310) on the edge of described electronic cards (300), and
Described latch-up structure comprises:
The first shell fragment by described the second bonding pad (125) consists of is used for the lower surface towards circuit board (200) by the edge protuberance that is pressed in described electronic cards (300) (310);
The second shell fragment (126), relative with described the second bonding pad (125), be used for the upper surface by the edge protuberance that is pressed in described electronic cards (300) (310); With
The 3rd shell fragment (127) is used for an end face by the edge protuberance that is pressed in described electronic cards (300) (310).
7. bayonet connector according to claim 6 is characterized in that:
Described the first arm (121) is inserted in the mode of interference engagement or interference fit in the inserting groove (111) on the end of described insulating body (110).
8. bayonet connector according to claim 7 is characterized in that:
Be formed with a plurality of projections (128) on described the first arm (121), for the engaging force between the inserting groove (111) on the end of enhancing and described insulating body (110).
9. bayonet connector according to claim 1 is characterized in that:
Described the first arm (121) be shorter in length than described the second arm (122), and described the first arm (121) does not extend beyond the second side of described insulating body (110).
10. bayonet connector according to claim 1 is characterized in that:
The connection leg (130a) of described a plurality of terminal (130) is electrically connected on the described circuit board (200) with the mode of welding or the mode of grafting.
11. bayonet connector according to claim 1 is characterized in that:
Be formed with emargintion on the edge of described electronic cards (300), and described latch-up structure comprises a projection, be used for being snapped into the emargintion of described electronic cards (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220383505.7U CN202840017U (en) | 2012-08-03 | 2012-08-03 | Card edge connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220383505.7U CN202840017U (en) | 2012-08-03 | 2012-08-03 | Card edge connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840017U true CN202840017U (en) | 2013-03-27 |
Family
ID=47951641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220383505.7U Expired - Fee Related CN202840017U (en) | 2012-08-03 | 2012-08-03 | Card edge connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082244A (en) * | 2018-10-22 | 2020-04-28 | 日本压着端子制造株式会社 | Connector with a locking member |
-
2012
- 2012-08-03 CN CN201220383505.7U patent/CN202840017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082244A (en) * | 2018-10-22 | 2020-04-28 | 日本压着端子制造株式会社 | Connector with a locking member |
| CN111082244B (en) * | 2018-10-22 | 2023-07-04 | 日本压着端子制造株式会社 | Connector with a plurality of connectors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20190803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |