CN202308495U

CN202308495U - Clamping seat connector

Info

Publication number: CN202308495U
Application number: CN2011204079211U
Authority: CN
Inventors: 朱云龙; 蒙伟; 黄顺华
Original assignee: LC ELECTRON CO Ltd
Current assignee: LC ELECTRON CO Ltd
Priority date: 2011-10-24
Filing date: 2011-10-24
Publication date: 2012-07-04
Anticipated expiration: 2021-10-24

Abstract

The utility model relates to a clamping seat connector, in particular to a clamping seat connector which is subminiature and has high density and high transmission speed. The clamping seat connector comprises a second side arm and a detection part, wherein the detection part comprises a first switch terminal and a second switch terminal; the second switch terminal comprises a second contact part and a second fixed part; the second fixed part comprises an upper fixed part and a lower fixed part, the upper fixed part extends backwards along the contact part, and the lower fixed part extends downwards along the upper fixed part; the first switch terminal comprises a first fixed part and a first contact part; the first fixed part is fixed at the second side arm, and the first contact part moves toward the second contact part and is electrically contacted or disconnected with the second contact part; the second side arm is provided with a second switch groove for containing and fixing the second fixed part; and the groove spacing of the second switch groove for containing the upper fixed part is larger than that of the second switch groove for containing the lower fixed part. The groove spaces in the switch groove are arranged to be different so that switch terminals are convenient for installation, and the strength of the clamping seat connector is not reduced.

Description

Card holder connector

Technical field

The utility model relates to a kind of card holder connector, and particularly a kind of card holder connector with subminaturization, high density property and high transmission speed belongs to the electric connector in mobile phone or the memory device.

Background technology

Storage card is used for multiple electronic products such as mobile phone or video camera, digital camera, MP3 player, toy, game machine.Usually, storage card is connected in card through card holder connector and reads circuit, includes at card holder connector to make storage card keep the space that connects, the conducting terminal that receives storage card and detecting part; Whether the detecting part inserts in order to the detecting electronic cards fully, and present detecting part is generally two-piece design, comprises first switch terminal and second switch terminal; Originally first switch terminal and second switch terminal member are in off-state; Have certain clearance between the two, after electronic cards is inserted, compress first switch terminal through the electronic cards front end; Make first switch terminal and second switch terminal become contact condition; The afterbody of detecting part generally is fixed on the side arm of base portion one side, and when mounted, first switch terminal and second switch terminal are inserted in the side arm from the outside.In order to strengthen the intensity of side arm itself; Be used to install too big that the groove of detecting part can not hold on the general side arm; Its spacing generally will be as far as possible near the thickness of second switch terminal; And this kind design generally can produce inconvenient puzzlement has been installed, if but that groove is offered is excessive, can bring the slight not enough puzzlement of side arm again.Simultaneously, owing to present card holder connector just progressively makes the transition towards subminaturization, high density and high transmission speed, so the global design of card holder connector has also been proposed bigger requirement.

The utility model content

The purpose of the utility model is to provide a kind of card holder connector that the second switch terminal is installed can not influence itself again of being convenient to.

For realizing aforementioned purpose; The utility model adopts following technical scheme: a kind of card holder connector; Comprise second side arm and detecting part; Said detecting part comprises first switch terminal and second switch terminal; Said second switch terminal comprises second contact site and second fixed part; Said second fixed part comprises along said contact site extend back the last fixed part that forms, fixed part extends to form downwards on said following fixed part; First contact site that said first switch terminal comprises first fixed part that is fixed in second side arm, moves and electrically contact or breaks off with second contact site towards second contact site, said second side arm are provided with in order to accommodating the second switch groove of fixing said second fixed part, said second switch groove interior in order to the separation of accommodating said upward fixed part greater than in the second switch groove in order to accommodate said under the separation of fixed part.

As the further improvement of the utility model, said second switch groove comprises the first side wall that is oppositely arranged with said second fixed part, and the spacing between said the first side wall and the last fixed part is greater than the spacing between the first side wall and the following fixed part.

As the further improvement of the utility model, said second switch groove also comprises second sidewall that is oppositely arranged with said the first side wall, and said second sidewall is close to the back side of second fixed part.

As the further improvement of the utility model, said second switch terminal also comprises second connecting portion that connects second contact site and second fixed part, and the said second contact site thickness is less than the thickness of connecting portion, and forms stepped with second connecting portion.

As the further improvement of the utility model, be provided with a convex tendon at least on said second contact site.

As the further improvement of the utility model, said convex tendon is provided with chamfering from the head of the second fixed part distal-most end.

Further improvement as the utility model; Said card holder connector also comprises the recess that forms from the second side arm indent; Said second contact site, second connecting portion are in said recess, and said recess comprises the sidewall that moves horizontally direction and the second switch terminal is outwards supported perpendicular to first contact site.

As the further improvement of the utility model, said sidewall comprises the convex surface that is used for outside base portion, supporting the second switch terminal.

As the further improvement of the utility model, said sidewall also comprises plane that is connected with second side arm and the guide surface that connects plane and convex surface, and said convex surface is the plane, and said guide surface is the slope of self-balancing towards the convex surface smooth connection.

Further improvement as the utility model; Said second contact site comprises the electrical contacts that electrically contacts with first contact site or break off, in order to support the support division of convex surface; Said convex tendon quantity is two, comprise be arranged at support division in order to first convex tendon that supports with convex surface, be arranged at second convex tendon of electrical contacts in order to electrically connect or to break off with first contact site.

The utility model is arranged to different spacing widths through the separation that the second switch groove is inner, is convenient to the second switch terminal and installs, and does not weaken the intensity of card holder connector simultaneously again.

In addition,, make the space proportion of the whole shared card holder connector of detecting part reduce, realize card holder connector subminaturization, the design of high density property owing to adopt recess and utilize the recess space to accommodate the design of switch terminal; Owing to adopt the precompressed design of sidewall and bending, prevent preceding first switch terminal of plug-in card and second switch termination contact, be short-circuited, produce the bad phenomenon of Card Reader, realized high transmission speed.

Description of drawings

Fig. 1 is the overall structure explosive view in the utility model specific embodiment.

Fig. 2 is the assembly drawing of insulating body among Fig. 1, conducting terminal and detecting part.

Fig. 3 is the structure chart of insulating body among Fig. 1.

Fig. 4 is the enlarged drawing of circle A among Fig. 3.

Fig. 5 is the front view of Fig. 3.

Fig. 6 is the enlarged drawing of circle B among Fig. 5.

Fig. 7 is the structure chart of second switch terminal among Fig. 1.

Fig. 8 is insulating body and second switch terminal assembling state diagram.

Fig. 9, Figure 10 two states figure that to be first switch terminal break off or contact with the second switch terminal.

Embodiment

Please with reference to Fig. 1,2; A kind of card holder connector; Comprise insulating body 1, conducting terminal 2, detecting part 3 and housing 4 in order to cover insulating body 1; Several that said insulating body 1 comprises base portion 11, form in base portion 11 indents are used for fixing the conducting end pilot trench 12 of conducting terminal 2, extend upward from base portion 11 both sides and integrated first side arm 14 and second side arm 15, the recess 13 that forms from second side arm, 15 indents; Detecting part 3 comprises first switch terminal 31 and second switch terminal 32 of electrical contact or disconnection, and second switch terminal 32 is fixed in first fixed part 313 of second sidewall, 15, the first switch terminals 31 through its rear end by second fixed part 323 of its rear end and is fixed in second side arm 15; In conjunction with Fig. 9,10; When first switch terminal 31 inserted at storage card 5, first contact site 311 that storage card 5 promotes first switch terminal, 31 front ends moves horizontally to be realized electrically contacting (being short circuit) with second contact site 321 of second switch terminal 32 front ends, when storage card 5 is extracted; Because first switch terminal 31 is a copper sheet with second switch terminal 32; Has elasticity (when second switch terminal 32 contacted with first switch terminal 31, because the thrust of first switch terminal 31, second switch terminal 32 front ends can be towards insulating body 1 outer displacement); Both can revert to original state (promptly can have a determining deviation between the two---break off), and first contact site 311 is connected through first connecting portion 312 with first fixed part 313.

Please with reference to Fig. 5, said first side arm 14 is different with second side arm, 15 structures, and first side arm 14 is the common structure form, at this not to its frequent description.Second side arm 15 is provided with first holddown groove 151 and second holddown groove 152, and this first holddown groove 151 is made up of jointly with base portion 11 second side arm 15 and is used to accommodate the cavitys of fixing first fixed part 313,152 of second holddown grooves be opened in second side arm 15 in.

Please with reference to Fig. 2,3, recess 13 is formed by second side arm, 15 front end indents, forms step-like between recess 13 and the base portion 11; This recess 13 comprise perpendicular to first contact site 311 move horizontally direction (promptly first contact site 311 electrically contact or break off moving direction) and sidewall 131 that second switch terminal 32 outside (outside base portion 1) is supported, the diapire 132 vertical with sidewall 131, in the accompanying drawings, this sidewall 131 also is the sidewall of base portion 1; After second switch terminal 32 was installed, its first fixed part 323 was in second location notch 152, and other parts are positioned at recess 13; Second switch terminal 32 is perpendicular to diapire 132; Sidewall 131 outwards supports second switch terminal 321, increases precompression, when guaranteeing that storage card 5 does not insert; Maintain certain clearance between first switch terminal 31 and the second switch terminal 32; Guarantee to be open-circuit condition between the two, prevent both short circuits, cause the Card Reader bad phenomenon.

Please with reference to Fig. 3,4, sidewall 131 comprises the plane 1313 that is connected with second side arm 15, in order to convex surface 1313 that outwards supports second switch terminal 32 and the guide surface 1312 that connects plane 1313 and convex surface 1311, and this guide surface 1312 is 1313 slopes to convex surface 1311 smooth connections from the plane; After second switch terminal 32 was fixedly mounted on second sidewall 15, this plane 1313 did not contact with second switch terminal 32, has a determining deviation between the two; When mounted; Because guide surface 1312 is a slope, play the guiding role, guiding second switch terminal 32 smoothly moves towards convex surface 1311; Simultaneously also prevent second switch terminal 32 when mounted, scratch damages base portion 1.In the accompanying drawings; Said convex surface 1311 is the plane, can also form other shapes certainly, and its final purpose is that second switch terminal 32 is supported to the outside; Increase its precompression; Remain on storage card 5 when not inserting, the gap between first switch terminal 31 and the second switch terminal 32 prevents both short circuits.And in order further to keep the stable of precompression, second switch terminal 32 is towards 31 bendings of first switch terminal (being that second switch terminal 32 is towards base portion 1 bending).At this, its convex surface 1311 all is in order to increase the precompressed of second switch terminal 32 with bending.

Please with reference to Fig. 7; Said second switch terminal 32 comprises second contact site 321, second fixed part 323 and connects second contact site 321 and second connecting portion 322 of second fixed part 323; This second fixed part 323 is fixed in second holddown groove 152; Second contact site 321 and second connecting portion 322 are positioned at recess 13, and contact site 321 minutes is two parts up and down, are specially: contact site 321 is divided into and electrically contacts with first contact site 311 or the electrical contacts 3211 that breaks off, the support division 3212 in order to be held in convex surface 1311; Electrical contacts 3211 is provided with second convex tendon 3214 that electrically contacts or break off with electrical contacts 3211; Realize that through this second convex tendon 3,214 first switch terminal 31 contact with the point of second switch terminal 32, with second switch terminal 32 the face exposure phase ratio of second convex tendon 3214 and electrical contacts 3211 is not set, the electric connection that point contacts is stablized; And have when dirty when second convex tendon, 3214 surfaces; In a contact process, electrical contacts 3211 can also reach stable contact with dirty the wiping off on second convex tendon, 3214 surfaces.Support division 3212 is provided with first convex tendon 3213 that supports towards convex surface 1311, can increase the precompression of second switch terminal 32 through this first convex tendon 3213, in aforementioned; Having mentioned convex surface 1311 also is in order to improve precompression with bending; At this, first convex tendon 3213 is set simultaneously can further increase precompression, certainly; Can not be provided with yet, perhaps only select for use modes a kind of or two kinds of combinations wherein to realize precompression in three kinds.In order to prevent that the head cusp (not drawing) that first convex tendon 3213 when preparation forms from scraping guide surface 1312 when mounted; Generation plastic cement bits; At first convex tendon, 3213 heads (this head is for leaving fixed part 323 distal-most end) chamfering (mark) is set; And because in the preparation process, first convex tendon 3213 is generally made with second convex tendon 3214, so its chamfering also can exist on the head of second convex tendon 3214.

Mention aforementioned, in order to improve the precompression of second switch terminal 32, second switch terminal 32 is towards 31 bendings of first switch terminal, and 3221 of its folding lines that is bent to form are located at connecting portion 322, can also have other positions certainly.

Said second fixed part 323 comprise from contact site 321 and connecting portion 322 extend back the last fixed part 3231 that forms, go up the following fixed part 3232 that fixed part 3231 extends to form downwards certainly; Second fixed part 323 forms L type shape; Its bottom also is bent with an electric welding connecting portion 324, is used for outside electrical connection.Combine Fig. 5,6 again, second switch groove 152 comprise the first side wall 1521 that is oppositely arranged with second fixed part 323, with second sidewall 1522 that the first side wall 1521 is oppositely arranged, the spacing between this first side wall 1521 and the last fixed part 3231 is greater than the spacing between the first side wall 1521 and the following fixed part 3232; Be about to the first side wall 1521 and be divided into upper side wall 15211 that is oppositely arranged with last fixed part 3231 and the lower wall 15212 that is oppositely arranged with following fixed part 3232, upper side wall 15211 is stepped with lower wall 15212, forms offset; Second sidewall 1522 is close to the back side of second fixed part 323; Through this kind design, in conjunction with Fig. 8, when second switch terminal 32 inserts second switch groove 152; Because the separation on second switch groove 152 tops is bigger; The separation of i.e. second contact site, 321 insertions is bigger, can realize rapid alignment, can not cause contact site 321 distortion; And the separation of bottom technological identical with before, thereby can not influence the intensity of insulating body 1.

More convenient in order to install, do not influence intensity and convex tendon 321 (i.e. first convex tendon 3213 and second convex tendon 3214 be set with insulating body 1; This first convex tendon 3213, second convex tendon 3214 can be provided with a convex tendon of perhaps being arranged to an integral body) time; Second contact site 321 is indeformable; Second contact site 321 is thinned, and its thickness forms stepped less than the thickness of connecting portion 322 with connecting portion 322.

The utility model makes that through offering recess 13, utilizing recess 13 spaces to accommodate the design of switch terminal and offset the space proportion of detecting part 3 whole shared card holder connectors is less, realized card holder connector subminaturization, the design of high density property; Because adopt the precompressed design of sidewall 131 and bending, this card holder connector can not produce the bad phenomenon of Card Reader, has improved its high transmission speed; And the design of the offset on its second side arm 15 under the situation of the intensity that does not weaken itself, has realized quick assemblingization.

Although be the example purpose; The preferred implementation of the utility model is disclosed; But those of ordinary skill in the art will recognize, under situation about not breaking away from by the scope of the disclosed the utility model of appending claims and spirit, various improvement, increase and replacement are possible.

Claims

1. card holder connector; Comprise second side arm (15) and detecting part (3); Said detecting part (3) comprises first switch terminal (31) and second switch terminal (32); Said second switch terminal (32) comprises second contact site (321) and second fixed part (323); Said second fixed part (323) comprises along said contact site (321) extend back the last fixed part (3231) that forms, fixed part (3231) extends to form downwards on said following fixed part (3232); Said first switch terminal (31) comprises first fixed part (313) that is fixed in second side arm (15), first contact site (311) that court's second contact site (321) moves and electrically contacts or break off with second contact site (321); Said second side arm (15) is provided with in order to accommodate the second switch groove (152) of fixing said second fixed part (323), it is characterized in that: interior in order to accommodate the said separation of fixed part (3232) down greater than second switch groove (152) in order to the separation of accommodating said upward fixed part (3231) in the said second switch groove (152).

2. card holder connector according to claim 1; It is characterized in that: said second switch groove (152) comprises the first side wall (1521) that is oppositely arranged with said second fixed part (323), and the spacing between said the first side wall (1521) and the last fixed part (3231) is greater than the spacing between the first side wall (1521) and the following fixed part (3232).

3. card holder connector according to claim 2; It is characterized in that: said second switch groove (152) also comprises second sidewall (1522) that is oppositely arranged with said the first side wall (1521), and said second sidewall (1522) is close to the back side of second fixed part (323).

4. card holder connector according to claim 2; It is characterized in that: said second switch terminal (32) also comprises second connecting portion (322) that connects second contact site (321) and second fixed part (323); Said second contact site (321) thickness is less than the thickness of connecting portion (322), and forms stepped with second connecting portion (322).

5. card holder connector according to claim 4 is characterized in that: be provided with a convex tendon (321) on said second contact site (321) at least.

6. card holder connector according to claim 5 is characterized in that: said convex tendon (321) is provided with chamfering from the head of second fixed part (323) distal-most end.

7. card holder connector according to claim 5; It is characterized in that: said card holder connector also comprises the recess (13) that forms from second side arm (15) indent; Said second contact site (321), second connecting portion (322) are positioned at said recess (13), and said recess (13) comprises the sidewall (131) that moves horizontally direction and second switch terminal (32) is outwards supported perpendicular to first contact site (311).

8. card holder connector according to claim 7 is characterized in that: said sidewall (131) comprises the convex surface (1311) that is used for outside base portion (11), supporting second switch terminal (32).

9. card holder connector according to claim 8; It is characterized in that: said sidewall (131) also comprises plane (1313) that is connected with second side arm (15) and the guide surface (1312) that connects plane (1313) and convex surface (1311); Said convex surface (1311) is the plane, said guide surface (1312) be from the plane (1313) to the slope of convex surface (1311) smooth connection.

10. card holder connector according to claim 8; It is characterized in that: said second contact site (321) comprises electrical contacts (3211), the support division (3212) in order to support convex surface (1311) that electrically contacts or break off with first contact site (311); Said convex tendon (321) quantity is two, comprise be arranged at support division (3212) in order to first convex tendon (3213) that supports with convex surface (1311), be arranged at second convex tendon (3214) of electrical contacts (3211) in order to electrically connect or to break off with first contact site (311).