CN202759052U - Card connector - Google Patents
Card connector Download PDFInfo
- Publication number
- CN202759052U CN202759052U CN 201220442682 CN201220442682U CN202759052U CN 202759052 U CN202759052 U CN 202759052U CN 201220442682 CN201220442682 CN 201220442682 CN 201220442682 U CN201220442682 U CN 201220442682U CN 202759052 U CN202759052 U CN 202759052U
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- Prior art keywords
- switch terminal
- fixed arm
- insulating body
- hole
- elastic contact
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- Expired - Fee Related
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Abstract
The utility model discloses a card connector. The card connector comprises an insulation body, a shielding housing, conductive terminals and switch terminals. The conductive terminals are accommodated in the insulation body. The shielding housing covers and encloses the insulation body to form card inserting space. The switch terminals include a first switch terminal and a second switch terminal, wherein the first switch terminal, the second switch terminal and the conductive terminals are connected in an all-in-one manner, and are moulded in the insulation body in an embedded manner. A bottom plate of a rear end of the insulation body is provided with a position-giving through hole. The first switch terminal comprises a bent first elastic contact portion, a first holding portion and a first welding foot portion. The second switch terminal comprises a bent second elastic contact portion, a second holding portion and a second welding foot portion. The first holding portion and the second holding portion are buried in the left side and the right side of the rear end of the insulation body. The first elastic contact portion and the second elastic contact portion are hang in the place-giving through hole in a contactable manner.
Description
Technical field
The utility model relates to the electric connector field technology, refers in particular to a kind of card connector.
Background technology
General card connector includes conducting terminal, insulating body, shield shell and one group of switch terminal.Wherein conducting terminal is accommodated in the insulating body, shield shell is placed on to enclose on the insulating body and forms the plug-in card space, and switch terminal also is installed in the insulating body and stretch in the plug-in card space, can the conducting of touch switch terminal group thereby card is inserted in the plug-in card space, to reach the effect that detects card.
Chinese invention patent " with the card connector (publication number CN1684305A) of switch terminal " was disclosed on October 19th, 2005.The switch terminal set of this card connector comprises the first switch terminal and second switch terminal, this first switch terminal and second switch terminal are all separately after the punch forming, be fixed in the insulating body rear side by clamping chimeric form again, and the elastic contact part correspondence of the first switch terminal and second switch terminal is stretched in the plug-in card space.
This invention product is owing to the limitation of structural design has the following disadvantages: at first, the first switch terminal and second switch terminal need independent die sinking moulding, need so many molds whole terminals could be formed out, and use the cost of mould high, and equipment investment is large.In addition, the first switch terminal and second switch terminal are by clamping chimeric form (even separable assembled form) to be installed, and cause installation steps many, assembling trouble, and the bad problem of product stability after installing.
In view of this, obtain as shown in Figure 1 card connector by improvement, the conducting terminal 30 of this card connector ' and switch terminal 40 ' be is by going out with a slice sheet metal is one time punching molded, and adopt conducting terminal 30 ', switch terminal 40 ' with the manufacture craft of 10 ' produced by insert molding of insulating body.Terminal material belt 50 ' with insulating body 10 ' produced by insert molding after, this first switch terminal 41 ' and second switch terminal 42 ' be positioned at insulating body 10 ' rear wall 14 ' both sides, because insulating body 10 ' the plastic cement area of base plate 11 ' rear end little, if offer by force dodge the first switch terminal 41 ' the sealing position, can cause plastic cement to disconnect or be out of shape not because of plastic cement hardness, so that insulating body 10 ' the base plate rear side step down without the space, cause can't be first with the first switch terminal 41 ' bending produced by insert molding again.Therefore, when making this card connector, have to terminal material belt 50 ' make structure shown in Figure 3, that is not bending during the first switch terminal 41 ' supplied materials, and carried out the bending processing during second switch terminal 42 ' supplied materials.Still there is certain drawback in this card connector, as shown in Figure 2, with terminal material belt 50 ' with insulating body 10 ' produced by insert molding after also need the follow-up bending operation of the first switch terminal 41 ' do, the first switch terminal 41 ' size change because roll over badly easily, directly cause the low problem of product percent of pass, and this processing mode still is difficult to reduce the human cost in the production.
The utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose provides a kind of card connector, and the dimensionally stable of its switch terminal is not yielding, produces simply, and production process is few, can Effective Raise product fine rate and production efficiency.
For achieving the above object, the utility model adopts following technical scheme:
A kind of card connector, comprise insulating body, shield shell, conducting terminal and switch terminal, this conducting terminal is accommodated in the insulating body, this shield shell is placed on to enclose on the insulating body and forms the plug-in card space, this switch terminal comprises the first switch terminal and second switch terminal, this first switch terminal, the second switch terminal is connected with conducting terminal is one-body molded, and the first switch terminal, the second beginning and conducting terminal produced by insert molding are in insulating body, the base plate of this insulating body rear end offers the through hole of stepping down, this first switch terminal comprises the first elastic contact part of bending, the first holding parts and the first leg section, this second switch terminal comprises the second elastic contact part of bending, the second holding parts and the second leg section, wherein the first holding parts and the second holding parts are embedded in respectively the right and left of insulating body rear end, and the first elastic contact part and the second elastic contact part can be suspended from the through hole of stepping down contiguously.
Preferably, described insulating body comprises base plate and the left side wall, right side wall and the rear wall that extend upward from three peripheries of base plate, and the described through hole of stepping down is arranged on the base plate of insulating body, and is close to rear wall.
Preferably, the described through hole of stepping down is irregularly shaped, and the internal face of this first elastic contact part, the second elastic contact part and the through hole of stepping down maintains spacing.
Preferably, described the second elastic contact part is positioned at the rear side of the first elastic contact part.
Preferably, described the first elastic contact part comprises adjutage and first make contact, this first make contact be in the free tail end of adjutage forward bending arch upward and form, the forward bending warpage of free tail end of described the second elastic contact part forms the second contact point, and this second contact point is positioned at by the rear side of adjutage.
Preferably, described the first holding parts comprises the second fixed arm that is connected to the first fixed arm on the strip and is bent into the L character form structure, this first fixed arm is the horizontal structure, this second fixed arm is the lateral recumbent posture structure that end makes progress and inside twice bending forms from the first fixed arm, this first fixed arm is embedded in the base plate, and the second holding parts is embedded in the position that the left side wall of insulating body is connected with rear wall.
Preferably, described the second holding parts comprises the 3rd fixed arm and the 4th fixed arm, the 3rd fixed arm is the horizontal structure, the 4th fixed arm is the lateral recumbent posture structure that bending forms that makes progress from the end of the 3rd fixed arm, the 3rd fixed arm is embedded in the base plate, and the 4th fixed arm is embedded in after the insulating body in the sidewall.
Preferably, the base plate front end of described insulating body offers the first through hole, the rear end offers the second through hole, described conducting terminal comprises holding parts, leg section and contact site, each leg section stretches out in the first through hole and exposes the base plate bottom surface, each contact site stretches out in the second through hole and exposes plate upper surface, and each holding parts is embedded between the first through hole and the second through hole.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, since after the bending of the first switch terminal and second switch terminal elder generation again with insulating body with produced by insert molding, the switch terminal mode of bending can guarantee that dimensionally stable is not yielding, and the processing mode of produced by insert molding has and produces simple, good stability, production process is few, human cost is low advantage; And the first switch terminal and second switch terminal be positioned at the insulating body rear end about each on one side, also arrange on the base plate of insulating body for this first switch terminal and second switch terminal and dodge through hole, this first elastic contact part and the second elastic contact part can be suspended from dodges in the through hole, makes switch terminal more stably reach the effect of detection switch.
Also have, this switch terminal and conducting terminal are once property punch formings on the same sheet metal, are connected to after the moulding on the strip, do not need many molds, and it is simple easy to produce, and step is few, and saves the expense of buying and safeguarding many molds.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the product structure schematic diagram of prior art;
Fig. 2 is the structural representation before the bending of prior art switch terminal;
Fig. 3 is the supplied materials schematic diagram of terminal material belt in the prior art;
Fig. 4 is the overall structure schematic diagram of the embodiment of the utility model;
Fig. 5 is the decomposition texture schematic diagram of Fig. 4;
Fig. 6 is the front view behind insulating body, conducting terminal and the switch terminal one produced by insert molding of the utility model;
Fig. 7 uses card to insert the schematic diagram of state among Fig. 6;
Schematic diagram when Fig. 8 is the terminal material belt supplied materials of the utility model;
Fig. 9 is the schematic diagram of the insulating body of the utility model;
Figure 10 is the structural representation of first switch terminal of the utility model;
Figure 11 is the structural representation of the second switch terminal of the utility model.
The accompanying drawing identifier declaration:
10 ', insulating body 11 ', base plate
14 ', rear wall 30 ', conducting terminal
40 ', switch terminal 41 ', the first switch terminal
42 ', second switch terminal 50 ', terminal material belt
10, insulating body 11, base plate
12, left side wall 13, right side wall
14, rear wall 15, the first through hole
16, the second through hole 17, the through hole of stepping down
18, hole 20, screening can
30, conducting terminal 31, holding parts
32, leg section 33, contact site
40, switch terminal 41, the first switch terminal
411, the first leg section 412, the first holding parts
413, the first elastic contact part 414, the first fixed arm
415, the second fixed arm 416, adjutage
417, first make contact 42, second switch terminal
421, the second leg section 422, the second holding parts
423, the second elastic contact part 424, the 3rd fixed arm
425, the 4th fixed arm 426, the second contact point
50, strip 51, auxiliary connecting rod
60, plug-in card space 70, card.
Embodiment
Please refer to Fig. 4 to shown in Figure 9, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes insulating body 10, screening can 20, conducting terminal 30 and switch terminal 40.This conducting terminal 30 is accommodated in the insulating body 10, and screening can 20 is placed on insulating body 10 tops and forms a plug-in card space 60 to enclose, and is used for inserting and connecting with conducting terminal 30 for card 70.
Wherein, as shown in Figure 9, this insulating body 10 is the plastic cement frame of a U font, and it comprises base plate 11 and the left side wall 12, right side wall 13 and the rear wall 14 that extend upward from 11 3 peripheries of base plate.These base plate 11 front ends offer rectangular-shaped the first through hole 15, rear end and offer the second rectangular-shaped through hole 16, and base plate 11 offers the through hole 17 of stepping down near the position of rear wall 14, and this through hole 17 of stepping down is irregularly shaped.
As shown in Figure 8, this conducting terminal 30 is connected with switch terminal by connecting with the punch forming of a slice sheet metal, and a produced by insert molding is in insulating body 10.This conducting terminal 30 has 8, and these 8 conducting terminals 30 are arranged in a row at the same level face.See Fig. 6, each conducting terminal 30 comprises holding parts 31, leg section 32 and contact site 33, this leg section 32 stretches out in the first through hole 15 and exposes base plate 11 bottom surfaces, this contact site 33 stretches out in the second through hole 16 and exposes base plate 11 upper surfaces, and this holding parts 31 is embedded in the plastic cement between the first through hole 15 and the second through hole 16.
This switch terminal 40 has two, is respectively the first switch terminal 41 and second switch terminal 42, and when the terminal material belt supplied materials, this first switch terminal 41 and second switch terminal 42 be bending and molding.As shown in figure 10, this first switch terminal 41 comprises the first leg section 411, the first holding parts 412 and first elastic contact part 413 of bending.This first holding parts 412 comprises the second fixed arm 415 that is connected to the first fixed arm 414 on the strip 50 and is bent into the L character form structure, this second fixed arm 415 be from the end of the first fixed arm 414 upwards and inside twice bending form, thereby the first fixed arm 414 is the horizontal structure, and this second fixed arm 415 is the lateral recumbent posture structure.This first leg section 411 is vertically set on the free tail end of the first fixed arm 414, and the first elastic contact part 413 comprises adjutage 416 and first make contact 417, this adjutage 416 forms from the end extension of the second fixed arm 415 away from the lock part, in the free tail end of adjutage 416 forward bending arch upward and form aforementioned first make contact 417 engage so that compress with card 70.
As shown in figure 11, described second switch terminal 42 comprises the second leg section 421, the second holding parts 422 and second elastic contact part 423 of bending, this second holding parts 422 comprises the 3rd fixed arm 424 and the 4th fixed arm 425, the 4th fixed arm 425 is the bending formation that makes progress from the end of the 3rd fixed arm 424, thereby the 3rd fixed arm 424 is the horizontal structure, and the 4th fixed arm 425 is the lateral recumbent posture structure.This second leg section 421 extends from the rear end of the 3rd fixed arm 424, in conjunction with shown in Figure 6, this the second elastic contact part 423 is positioned at the rear side of the first elastic contact part 413, forward bending warpage of free tail end in the second elastic contact part 423 forms the second contact point 426, this second contact point 426 is over against aforementioned adjutage 416, and is positioned at by the rear side of adjutage 416.
Such as Fig. 5, shown in Figure 6, after the first switch terminal 41 and second switch terminal 42 are shaped in insulating body 10, the first elastic contact part 413 of this first switch terminal 41 is suspended from the through hole 17 of stepping down, the first fixed arm 414 of the first holding parts 412 is embedded in the base plate 11, the second fixing arm 415 is embedded in the position that the left side wall 12 of insulating body 10 is connected with rear wall 14, the rear that insulating body 10 stretches out in the first leg section 411.And the second elastic contact part 423 of second switch terminal 42 also is suspended from the through hole 17 of stepping down, and this second elastic contact part 423 is positioned at the first elastic contact part 413 rear ends, the second contact point 426 of the second elastic contact part 423 is over against the adjutage 416 of the first elastic contact part 413, also have, this first elastic contact part 413, the second elastic contact part 423 keep spacing with the hole wall of the through hole 17 of stepping down, and the two can be affixed.The 3rd fixed arm 424 of this second holding parts 422 is embedded in the base plate 11, and the 4th fixed arm 425 is embedded in after the insulating body 10 in the sidewall 14, and the second leg section 421 also stretches out from insulating body 10 rear ends.
As shown in Figure 6, behind terminal material belt and insulating body 10 one produced by insert molding with conducting terminal 30 and switch terminal 40, punch 18 at this half-formed as required, can see Fig. 8 to unnecessary auxiliary connecting rod 51(between each conducting terminal 30, between conducting terminal 30 and the strip 50 and between switch terminal 40 and the strip 50) cut off, cut or break off with the fingers and thumb strip 50 disconnected at last, just can realize fast the moulding of product, the mode of production of this one produced by insert molding can improve product stability, effectively guarantees product quality.
In the use procedure, as shown in Figure 7, card 70 is pushed in the plug-in card space 60, when reaching the bottom in plug-in card space 60, the head end edge of card 70 is butted on the first make contact 417 of the first switch terminal 41, and along with further pushing of card 70 adjutage 416 is out of shape backward, thereby the second contact point 426 butts of adjutage 416 and second switch terminal 42 reach the effect of detection switch.When card 70 ejected, resilience was because occuring without stressed in the first elastic contact part 413 of the first switch terminal 41, and with 42 disconnections of second switch terminal, switch terminal 40 is in without detected state.
In sum, design focal point of the present utility model is, since the first switch terminal 41 and second switch terminal 42 be after the first bending again with insulating body 10 with produced by insert molding, the switch terminal 10 mode of bending can guarantee that dimensionally stable is not yielding, and the processing mode of produced by insert molding has and produces simple, good stability, production process is few, human cost is low advantage; And the first switch terminal 41 and second switch terminal 42 be positioned at insulating body 10 rear ends about each on one side, also arrange on the base plate 11 of insulating body 10 for this first switch terminal 41 and second switch terminal 42 and dodge through hole 17, dodge in the through hole 17 thereby the first elastic contact part 413 and the second elastic contact part 423 can be suspended from, make switch terminal 40 more stably reach the effect of detection switch.
Also have, this switch terminal 40 is once property punch formings on the same sheet metal with conducting terminal 30, is connected to after the moulding on the strip 50, does not need many molds, and it is simple easy to produce, and step is few, and saves the expense of buying and safeguarding many molds.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.
Claims (8)
1. card connector, comprise insulating body, shield shell, conducting terminal and switch terminal, this conducting terminal is accommodated in the insulating body, this shield shell is placed on to enclose on the insulating body and forms the plug-in card space, this switch terminal comprises the first switch terminal and second switch terminal, this first switch terminal, the second switch terminal is connected with conducting terminal is one-body molded, and the first switch terminal, the second beginning and conducting terminal produced by insert molding are in insulating body, it is characterized in that: the base plate of this insulating body rear end offers the through hole of stepping down, this first switch terminal comprises the first elastic contact part of bending, the first holding parts and the first leg section, this second switch terminal comprises the second elastic contact part of bending, the second holding parts and the second leg section, wherein the first holding parts and the second holding parts are embedded in respectively the right and left of insulating body rear end, and the first elastic contact part and the second elastic contact part can be suspended from the through hole of stepping down contiguously.
2. card connector according to claim 1, it is characterized in that: described insulating body comprises base plate and the left side wall, right side wall and the rear wall that extend upward from three peripheries of base plate, the described through hole of stepping down is arranged on the base plate of insulating body, and is close to rear wall.
3. card connector according to claim 1 and 2, it is characterized in that: the described through hole of stepping down is irregularly shaped, the internal face of this first elastic contact part, the second elastic contact part and the through hole of stepping down maintains spacing.
4. card connector according to claim 1, it is characterized in that: described the second elastic contact part is positioned at the rear side of the first elastic contact part.
5. card connector according to claim 4, it is characterized in that: described the first elastic contact part comprises adjutage and first make contact, this first make contact be in the free tail end of adjutage forward bending arch upward and form, the forward bending warpage of free tail end of described the second elastic contact part forms the second contact point, and this second contact point is positioned at by the rear side of adjutage.
6. card connector according to claim 2, it is characterized in that: described the first holding parts comprises the second fixed arm that is connected to the first fixed arm on the strip and is bent into the L character form structure, this first fixed arm is the horizontal structure, this second fixed arm is the lateral recumbent posture structure that end makes progress and inside twice bending forms from the first fixed arm, this first fixed arm is embedded in the base plate, and the second holding parts is embedded in the position that the left side wall of insulating body is connected with rear wall.
7. card connector according to claim 6, it is characterized in that: described the second holding parts comprises the 3rd fixed arm and the 4th fixed arm, the 3rd fixed arm is the horizontal structure, the 4th fixed arm is the lateral recumbent posture structure that bending forms that makes progress from the end of the 3rd fixed arm, the 3rd fixed arm is embedded in the base plate, and the 4th fixed arm is embedded in after the insulating body in the sidewall.
8. card connector according to claim 2, it is characterized in that: the base plate front end of described insulating body offers the first through hole, the rear end offers the second through hole, described conducting terminal comprises holding parts, leg section and contact site, each leg section stretches out in the first through hole and exposes the base plate bottom surface, each contact site stretches out in the second through hole and exposes plate upper surface, and each holding parts is embedded between the first through hole and the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442682 CN202759052U (en) | 2012-09-03 | 2012-09-03 | Card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442682 CN202759052U (en) | 2012-09-03 | 2012-09-03 | Card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759052U true CN202759052U (en) | 2013-02-27 |
Family
ID=47738217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442682 Expired - Fee Related CN202759052U (en) | 2012-09-03 | 2012-09-03 | Card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404019A (en) * | 2016-05-19 | 2017-11-28 | 深圳市长盈精密技术股份有限公司 | Card connector |
-
2012
- 2012-09-03 CN CN 201220442682 patent/CN202759052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404019A (en) * | 2016-05-19 | 2017-11-28 | 深圳市长盈精密技术股份有限公司 | Card connector |
| CN107404019B (en) * | 2016-05-19 | 2023-07-14 | 深圳市长盈精密技术股份有限公司 | Card connector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160903 |