CN103022765A

CN103022765A - Card edge connector

Info

Publication number: CN103022765A
Application number: CN2012105582442A
Authority: CN
Inventors: 苏敬舜; 陈高
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2012-06-20
Filing date: 2012-12-20
Publication date: 2013-04-03
Also published as: WO2013189166A1; CN202977797U; TWM471044U

Abstract

The invention discloses a card edge connector for a memory module to be inserted. The card edge connector comprises an insulator and a plurality of conductive terminals. The insulation body comprises a slot extending lengthwise, a fool-proof key in the slot, a plurality of upper slot ways and lower slot ways and fastener arms, wherein the plurality of the upper slot ways and the lower slot ways are arranged on upper and lower sides of the slot respectively, and the fastener arms extend at two ends of the insulator. The conductive terminals comprise upper terminals accommodated in the upper slot ways and lower terminals accommodated in the lower slot ways. The lower terminals comprise first holding portions, first contact portions and first soldering portions, wherein the first holding portions are held in the slot ways, the first contact portions extend from one ends of the first holding portions into the slot, and the first soldering portions extend backwards from the other ends of the first holding portions in a bending mode. The height between a central line of the slot and mounting faces of the first soldering portions is smaller than or equal to 1.20mm, so that the thickness of the card edge connector is reduced.

Description

Bayonet connector

[technical field]

The present invention relates to electronic applications, refer in particular to a kind of bayonet connector.

[background technology]

Existing a kind of bayonet connector, as be applied to bayonet connector in the notebook computer, it generally comprises insulator and is arranged at some conducting terminals in the insulator.Described insulator comprises the slot that longitudinally extends and is positioned at up and down spaced some terminal conduits of both sides of slot.The contact site that described conducting terminal comprises the base portion of vertical setting, extend towards a side from base portion one end, the weld part that extends towards opposite side from the base portion other end and extend towards a side from base portion and to extend and holding parts between contact site and weld part.Yet the conducting terminal that this conducting terminal especially is contained in pilot trench road, lower side is the F configuration, makes the height of conducting terminal higher, causes the height of insulator higher, and then causes the height of whole connector higher, is unfavorable for the development trend of slimming.

So, be necessary to provide a kind of new bayonet connector to overcome the problems referred to above.

[summary of the invention]

Based on this, be necessary the bayonet connector that provides a kind of height lower.

The present invention is achieved by the following technical solutions: a kind of bayonet connector, it is the grafting memory module, it comprises insulator and some conducting terminals, described insulator comprises the slot that longitudinally extends, be positioned at the fool proof key of slot, lay respectively at described slot up and down some upper conduit and the lower conduit of both sides, described conducting terminal comprises the upper terminal that is contained in the conduit and the lower terminal that is contained in the lower conduit, described lower terminal comprises the first holding parts that is immobilizated in described lower conduit, from the first weld part that the first holding parts one end extends in the first contact site in the slot and extends from the bending of the first holding parts other end, the height≤1.20mm of the installed surface of center line to the first weld part of this slot.

Described lower conduit is T-shaped, and it comprises the holding slot of level and the vertical accepting groove that communicates with slot, and the first holding parts is immobilizated in described holding slot, and described the first contact site is contained in described accepting groove and extends in the described slot.

Distance≤the 2.70mm of the installed surface of upper surface to the first weld part of described insulator.

Described memory module comprises sub-circuit board and is positioned at the chip of sub-circuit board one side.

Described upper terminal comprises the second holding parts of being immobilizated in described insulator upside, bends backward from the second holding parts and extend and be contained in second contact site of accommodating slot and bend forward the second weld part of extension from described the second holding parts, and described the second welding position is in the place ahead of described insulator.

The solder side of the solder side of described the first contact site and described the second contact site is at the same level face.

Described bayonet connector also comprises the pair of catches arm that extends forward from described insulator two ends.

Described lock catch arm comprises adjutage and is installed on fixing arm on the adjutage that described fixing arm rear end has the boss that inwardly protrudes out.

Described bayonet connector also comprises the metallic object that is installed on described snap-arms and the adjutage, and described metallic object and described fixing arm are fastened in respectively described adjutage.

Beneficial effect of the present invention is as follows: the lower terminal of bayonet connector is simple in structure, and is easy for installation, reduced the thickness of the insulator downside of lower terminal is installed, thereby reduced the thickness of whole insulator.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of bayonet connector connecting memory modular of the present invention and circuit board;

Fig. 2 is the schematic perspective view before bayonet connector connecting memory modular shown in Figure 1 and the circuit board;

Fig. 3 is that bayonet connector shown in Figure 1 is positioned at the schematic perspective view on the circuit board;

Fig. 4 is the three-dimensional exploded view of bayonet connector shown in Figure 1;

Fig. 5 is the described bayonet connector of Fig. 4 subregion stereo amplification figure;

Fig. 6 is the cutaway view of bayonet connector shown in Figure 1 C-C direction along the line.

[embodiment]

Please refer to the drawing 1 is to Fig. 5, the present invention discloses a kind of bayonet connector 100, be used for clamping memory module 200, and memory module 200 is electrically connected on the circuit board 300, this memory module comprises sub-circuit board and is installed in chip (not shown) on the sub-circuit board.Bayonet connector 100 comprises insulator 1 and some conducting terminals 2, and insulator 1 comprises slot 11 that longitudinally extends, be positioned at the fool proof key 110 of slot and be positioned at some upper conduit 12 and the lower conduit 13 of slot both sides about in the of 11.Lower conduit 13 is T-shaped, it comprise the horizontal holding slot 131 that caves in forward from the rear surface of insulator 1 and from slot 11 downsides to lower recess and be communicated with the vertical accepting groove 132 of holding slot 131, accepting groove 132 extands rearward to the rear surface that connects insulator.After insulator 1 downside rear surface is more leaned on than the upside rear surface of insulator 1.Some upper conduits 12 are arranged in a row, and some lower conduits 13 are arranged in a row.Upper surface from insulator is looked down, the arrangement that upper conduit 12 and lower conduit 13 are interlaced.

Conducting terminal 2 comprises the upper terminal 22 that is contained in the conduit 12 and the lower terminal 23 that is contained in the lower conduit 12.Lower terminal 23 comprises the first holding parts 231 of being immobilizated in holding slot 131, bends forward the first contact site 232 of extension and be contained in accepting groove 132 and extend in the slot 11 from the first weld part 233, the first contact sites 232 that the first holding parts 231 other ends bend extension backward from the first holding parts 231 1 ends.The first weld part 233 is exposed to the rear of the rear surface of insulator 1.

Upper terminal 22 comprises the second holding parts 221 of being immobilizated in described insulator 1 upside, bends backward from the second holding parts 221 and extend and be contained in second contact site 222 of accommodating slot 11 and extend described insulator 1 and be positioned at the place ahead of insulator 1 from the second weld part 223, the second weld parts 223 that described the second holding parts 221 bend forward extension.The solder side of the solder side of the first weld part 233 and the second weld part 223 is conducive to upper and lower terminal 22,23 is welded on the circuit board 300 simultaneously at the same level face.

Bayonet connector 100 also comprises the pair of catches arm that extends forward from insulator 1 two ends, and this lock catch arm comprises adjutage 4 and is installed on respectively fixing arm 5 on the adjutage 4.Adjutage 4 is one-body molded with insulator 1.Adjutage 4 is provided with the draw-in groove 41 that caves in forward and form from its rear surface, and fixing arm 5 has the clamping part 51 that is positioned at its front end and is fastened in draw-in groove 41, be positioned at its rear end and the connecting portion 53 of the boss 52 that inwardly protrudes out and Connection Card buckle portion 51 and boss 52.

Bayonet connector 100 also comprises the metallic object 6 that is installed on described snap-arms 5 and the adjutage 4, and metallic object 6 is fastened in the adjutage 4, and metallic object 6 is one-body molded with fixing arm 5, and fixing arm 5 covers the also outer surface of connection metal body 6.Metallic object 6 comprise be fastened in adjutage 4 interior holding sections 61,61 phase company headquarters that extend back 62 and the bonding pad 63 that inwardly extends laterally from phase company headquarters 62 from the holding section.Phase company headquarters 62 is fixed together with the connecting portion 53 of fixing arm 5.

As shown in Figure 6, the height A≤1.20mm of the installed surface of the center line to the first of slot weld part, and the installed surface of upper surface to the first weld part of insulator 1 apart from B≤2.70mm.Chip on the memory module 200 (not shown) is installed on the surface of circuit board, and above-mentioned height can be thinner so that insert the memory module 200 of slot 11, more miniaturization.

When memory module 200 was plugged on bayonet connector 100, first, second weld part 233 of lower terminal 23 and upper terminal 22,223 welding welded mutually with the conducting strip 301 of circuit board 300, and the bonding pad 63 of metallic object 6 is welded on the weld tabs 302 of circuit board 300.The boss 52 of fixing arm 5 is fastened in the both sides of memory module 200.

Bayonet connector 100 of the present invention has improved the mode that insulator links to each other with lower terminal in the existing bayonet connector, thereby reduced the thickness of insulator 1 downside of lower terminal 23 is installed, thereby has reduced the thickness of whole insulator 1.

Above-mentioned listed specific implementation is nonrestrictive, for a person skilled in the art, is not departing from the scope of the invention, and the various modifications and variations of carrying out all belong to protection scope of the present invention.

Claims

1. bayonet connector, it is the grafting memory module, it comprises insulator and some conducting terminals, described insulator comprises the slot that longitudinally extends, be positioned at the fool proof key of slot, lay respectively at described slot up and down some upper conduit and the lower conduit of both sides, described conducting terminal comprises the upper terminal that is contained in the conduit and the lower terminal that is contained in the lower conduit, it is characterized in that: described lower terminal comprises the first holding parts that is immobilizated in lower conduit, from the first weld part that the first holding parts one end extends in the first contact site in the slot and extends from the bending of the first holding parts other end, the height≤1.20mm of the installed surface of center line to the first weld part of this slot.

2. bayonet connector as claimed in claim 1, it is characterized in that: described lower conduit is T-shaped, it comprises the holding slot of level and the vertical accepting groove that communicates with slot, the first holding parts is immobilizated in described holding slot, and described the first contact site is contained in described accepting groove and extends in the described slot.

3. bayonet connector as claimed in claim 2 is characterized in that: the distance≤2.70mm of the installed surface of upper surface to the first weld part of described insulator.

4. bayonet connector as claimed in claim 3, it is characterized in that: described memory module comprises sub-circuit board and is positioned at the chip of sub-circuit board one side.

5. bayonet connector as claimed in claim 1, it is characterized in that: described upper terminal comprises the second holding parts of being immobilizated in described insulator upside, bends backward from the second holding parts and extend and be contained in second contact site of accommodating slot and bend forward the second weld part of extension from described the second holding parts, and described the second welding position is in the place ahead of described insulator.

6. bayonet connector as claimed in claim 5, it is characterized in that: the solder side of the solder side of described the first contact site and described the second contact site is at the same level face.

7. bayonet connector as claimed in claim 1, it is characterized in that: described bayonet connector also comprises the pair of catches arm that extends forward from described insulator two ends.

8. bayonet connector as claimed in claim 7 is characterized in that: described lock catch arm comprises adjutage and is installed on fixing arm on the adjutage that described fixing arm rear end has the boss that inwardly protrudes out.

9. bayonet connector as claimed in claim 1, it is characterized in that: described bayonet connector also comprises the metallic object that is installed on described snap-arms and the adjutage, described metallic object and described fixing arm are fastened in respectively described adjutage.