CN205944535U

CN205944535U - Card connector

Info

Publication number: CN205944535U
Application number: CN201620884411.6U
Authority: CN
Inventors: 樊凌云; 吕雷
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2016-08-15
Filing date: 2016-08-15
Publication date: 2017-02-08
Anticipated expiration: 2026-08-15

Abstract

The utility model provides a card connector, include insulator, and integrated into one piece in the last a plurality of conductive terminal of insulator, conductive terminal include integrated into one piece in fixing portion in the insulator, from leg that fixing portion extend to form and two at least elastic arms, and formed at the contact site of two elastic arm intersections, insulator includes the main part, be equipped with on the main part and be used for keeping away the sky elastic arm and contact site keep away the kenozooecium, it is located to keep away the kenozooecium fixing portion one side edge orientation it is located to keep away kenozooecium direction extension formation lug between two elastic arms, the bottom surface of lug with the bottom surface parallel and level of main part. This application card connector can effectively strengthen the terminal positive force.

Description

Card connector

Technical field

The application is related to electric connector field.

Background technology

Chinese utility model patent CN204088671U patent discloses a kind of card connector, including insulating body, one Body formed some conducting terminals in described insulating body and metal shell.As CN204088671U patent accompanying drawing 1, Fig. 6 Shown, described conducting terminal includes being shaped in the holding parts of described insulating body and extends from described holding parts described Two elastic arms outside insulating body, described two elastic arms cross formation contact site in end after extending.Described two elasticity Arm is in suspended state outside described insulating body, and the support of elastic force fully relies on the fixing taking shape in described insulating body Portion.Lead to terminal positive force not enough, in the case of permanent use, easily make the elastic force of described conducting terminal not enough, suffering from In the case of external force, the problem of loose contact is caused to occur.

Utility model content

The purpose of the application is to provide a kind of card connector strengthening conducting terminal positive force.

For this reason, this application provides a kind of card connector, including insulating body and be shaped on described insulating body Some conducting terminals, holding parts that described conducting terminal includes being shaped in described insulating body, from described holding parts Extend the leg being formed and at least two elastic arms and the contact site being formed at described two elastic arm intersections, described insulation Body includes main part, and described main part is provided with the empty avoiding portion for elastic arm described in empty avoiding and contact site, described empty avoiding portion Extend towards described empty avoiding portion direction positioned at described holding parts one lateral edges and form the projection being located between described two elastic arms, institute The bottom surface stating projection is concordant with the bottom surface of described main part.

Preferably, described two elastic arms are symmetrical according to the centrage of described projection with contact site.

Preferably, it is provided with holding hole in the middle of described holding parts, described holding hole is provided with crossbeam near described elastic arm side, The holding parts of both sides are connected as a single entity by described crossbeam.

Preferably, described crossbeam is located in described empty avoiding portion and is not coated by described main part.

Preferably, described elastic arm and the bottom surface of described crossbeam, higher than the bottom surface of described main part, make described elasticity arm sling Float on described main part.

Preferably, described projection from described empty avoiding portion edge extend when, described crossbeam mid portion is coated in.

Preferably, described card connector also includes being covered in the shielding casing above described insulating body.

Preferably, it is additionally provided with the leg receiving portion accommodating described leg in the middle of the main part of insulating body.

Preferably, described two elastic arms are to upwardly extend formation and in end friendship from described holding parts side edge tilt Converge and form described contact site.

Compared to prior art, the application by using described projection as described two elastic arms a strong point, special The base at not to be described projection with reference to described crossbeam the make stress Support Position of the described two elastic arms edge in described empty avoiding portion On plinth, increase a Support Position closer to described contact site, so, can effectively strengthen described conducting terminal operationally Positive force.

Brief description

Fig. 1 is the axonometric chart of the application card connector；

Fig. 2 is the axonometric chart of the application card connector members；

Fig. 3 is the rear view of drawing shown in application Fig. 2；

Fig. 4 is the front view of the insulating body of the application card connector；

Fig. 5 is the application card connector terminal module, the axonometric chart of metal insert；

Fig. 6 is the application card connector terminal module, the side view of metal insert；

Fig. 7 removes top view and its partial enlarged drawing after shielding casing for the application card connector；

Fig. 8 is the sectional view along A-A dotted line shown in Fig. 2；

Fig. 9 is the terminal positive force curve comparison diagram of the application and prior art products.

Specific embodiment

Refer to shown in Fig. 1 to Fig. 3, the application card connector includes insulating body 40, is shaped in described insulation originally Metal insert 50 on body 40 and described metal insert 50 integrated punching molding are simultaneously molded in described insulating body 40 Two terminal modules 60,70, cover in the shielding casing 10 of described insulating body 40 and terminal module 60,70 top and install Kato 20 between shielding casing 10 and insulating body 40 and trip mechanism 30.Defining the slotting card direction of moving back of Kato is longitudinally, with Described insert that to move back the vertical direction in card direction be horizontal.

Refer to shown in Fig. 5, Fig. 6, described metal insert 50 is that integrated punching is formed with described two terminal modules 60,70 , described metal insert 50 includes pars intermedia 51 positioned at described terminal module 60,70 periphery, from described pars intermedia 51 horizontal two Side extends the both sides 52 of formation, is formed at inclining between described pars intermedia 51 and described both sides 52 after sloping slightly downward bending Inclined portion 55, from described both sides 52 outer rim upwards bending extend formed bending part 53.Described both sides 52 further extend outward shape Become to have weld part 54, the bottom surface of described weld part 54 is concordant with the bottom surface of described both sides 52.Described terminal module 60,70 includes Some conducting terminals 80, holding parts 81 that each conducting terminal 80 includes being shaped in insulating body 40, from described fixing Portion 81 one end tilts upward extension shape in the leg 83 of horizontal direction downward bending extension formation, from described holding parts 81 other end At least two elastic arms 84 becoming and two described elastic arms 84 cross after extending the contact site 82 of formation.Described holding parts 81 It is provided with holding hole 86 so that the flowing and coat the holding parts 81 of described holding hole 86 both sides to lead described in increasing of plastic material Electric terminal 80 and the tightness of described insulating body 40.Described holding hole 86 is extended described exhausted near described elastic arm 84 side Outside edge body 40, and it is formed with the crossbeam 85 connecting both sides holding parts 81.Described 85, two elastic arms of crossbeam 84 and contact site 82 Enclose and be set as a pore structure 87.The bottom surface of described leg 83 is concordant with the bottom surface of the weld part 54 of described metal insert 50 both sides. The upper surface of described pars intermedia 51 is about 0.10-0.15mm with the distance of the upper surface of described both sides 52, i.e. described rake The vertical dimension of 55 upper and lower ends is about 0.10-0.15mm, most preferably 0.13mm.The setting of described rake 55, makes pars intermedia 51 bottom surfaces are higher than both sides 52 bottom surface, are easy to downward-sloping for leg 83 bending be directly arranged in below described pars intermedia 51, keep away Exempt to need metal insert 50 breakage that leg 83 is drawn insulating body 40 outside and caused to lead to the problem that rigidity declines.

Refer to shown in Fig. 1-6, emphasis refers to Fig. 2, shown in 4, described insulating body 40 include respectively with described two ends Integrally formed first insulator 41 of submodule group 60,70, the second insulator 42 and take shape in described metal insert 50 respectively two 3rd insulator 43 of side bending part 53 and the 4th insulator 44, between described first, second, third, fourth insulator 41-44 It is mutually independent.The plastic cement buckling amplitude between four insulator 41-44 is made to be limited to an independent insulation in vivo, and not Can influence each other in order to avoid the laterally or longitudinally expansion of buckling amplitude, cause enlarge-effect.The both sides 52 of described metal insert 50 Two sides of corresponding described Kato 20（Not shown）Not forming plastic cement material at position, so that described Kato 20 is directly in described two Install on sidepiece 52 and slide.

Described insulating body 40 also includes the main part 45 for being integrally formed described conducting terminal 80, described main part 45 Be described first, second insulator 41,42 part or all.Described main part 45 is included for conducting terminal described in empty avoiding 80 elastic arm 84 and the empty avoiding portion 451 of contact site 82, it is formed in the middle of described main part 45 for accommodating described leg 83 Leg receiving portion 452 and from described main part 45 side towards described empty avoiding portion 451 extend formed projection 453.

Refer to shown in Fig. 4, Fig. 5, Fig. 7, Fig. 8, the holding parts 81 of described conducting terminal 80 are shaped in described main body In portion 45, described crossbeam 85 is exposed in the empty avoiding portion 451 of described main part 45, and described projection 453 is from described empty avoiding portion 451 1 Extend towards described empty avoiding portion 451 on the main part 45 of side and formed, described two elastic arms 84 are with contact site 85 according to described projection 453 centrage is symmetrical, and that is, described projection 453 is located at the middle part of described conducting terminal 80.Described projection 453 is extending to During described empty avoiding portion 451, described crossbeam 85 is shaped in interior.The consolidating of crossbeam 85 both sides of described conducting terminal 80 Hold portion 81 to be all suspended on described main part 45 with described elastic arm 84, that is, described holding parts 81 and the bottom surface of elastic arm 84 are higher than The bottom surface of described main part 45.Described projection 453 extends in the pore structure 87 of described conducting terminal 80, described projection 453 Bottom surface is concordant with the bottom surface of described main part 45.

So, described projection 453 can be used as a strong point of described two elastic arms 84, particularly described projection 453 make the basis at the stress Support Position of described two elastic arms 84 edge in described empty avoiding portion 451 with reference to described crossbeam 85 On, increase a Support Position closer to described contact site 85, so, can effectively strengthen described conducting terminal 80 operationally Positive force.

Refer to shown in Fig. 8, be that the application is provided with projection 453 as the situation of the strong point and bumpless in prior art The positive force emulation testing curve chart of product, wherein, dotted line represents that the terminal of bumpless strong point product in prior art is positive Force curve, solid line represents that the application is provided with projection as the terminal forward direction force curve of strong point product.From in figure, can substantially see Go out the terminal positive force of the product that the terminal positive force of the product that solid line represents represents more than dotted line, such as push 0.25mm in terminal When, solid line represents that the terminal positive force of product is 51.54g, and dotted line represents that the terminal positive force of product is 38.60g；Under terminal During pressure 0.47mm, solid line represents that the terminal positive force of product is 91.00g, and dotted line represents that the terminal positive force of product is 74.21g. Thus, projection 453 is arranged to a strong point by the application, can be effectively improved the positive force of terminal.

Refer to shown in Fig. 5, Fig. 7, described two terminal modules 60,70 are respectively used to carry two SIMs, each terminal Module is included in three pairs of conducting terminals 80 of longitudinal direction setting, and the contact site 82 of each pair conducting terminal 80 is in a lateral direction Towards the oppositely extending formation in both sides, the leg 83 of each pair conducting terminal 80 extends shape relatively from after described holding parts 81 downward bending Become.Described two terminal modules 60,70 include the first terminal to 61, Second terminal to 62, third terminal successively moving back card direction To 63, forth terminal to the 71, the 5th terminal to the 72, the 6th terminal to 73.Wherein first, the three, the 5th terminals are to 61,63,72 Contact site 82 place straight line L1 and second, the four, the 6th 62,71,73 contact site 82 place straight line L2 between there is 0.09- The distance of 0.11mm, and make six terminals to dislocation in a lateral direction so that the golden handss of the SIM being placed on terminal module 60 Refer to move back same straight line during card and only rubbed by the contact site 82 of three terminals and avoid asking of SIM golden finger abrasion inserting Topic.

In one embodiment, contact site 82 institute to 61,62,63 for first, second, third terminal of described terminal module 60 The contact site 82 place straight line dislocation to 71,72,73 for the four, the five, the 6th terminals in straight line and described terminal module 70 The distance of 0.09-0.11mm.I.e. described two terminal modules 60,70 appointing in six terminal centerings inserting the arrangement moving back card direction The contact site 82 place straight line dislocation 0.09- of the contact site 82 place straight line of three terminals pair of meaning and remaining three terminals pair The distance of 0.11mm all may achieve the problem avoiding the abrasion of SIM golden finger.Described dislocation distance most preferably 0.10mm.

Claims

1. a kind of card connector, including insulating body and be shaped in some conducting terminals on described insulating body, described Holding parts that conducting terminal includes being shaped in described insulating body, extend from described holding parts the leg being formed with least Two elastic arms and the contact site being formed at described two elastic arm intersections, described insulating body includes main part, described master Body is provided with the empty avoiding portion for elastic arm described in empty avoiding and contact site, and described empty avoiding portion is located at described holding parts one lateral edges Extend towards described empty avoiding portion direction and form the projection being located between described two elastic arms, the bottom surface of described projection and described main body The bottom surface in portion is concordant.

2. card connector as claimed in claim 1 is it is characterised in that described two elastic arm and contact site are according to described projection Centrage is symmetrical.

3. card connector as claimed in claim 1 is it is characterised in that be provided with holding hole in the middle of described holding parts, described fixing Hole is provided with crossbeam near described elastic arm side, and the holding parts of both sides are connected as a single entity by described crossbeam.

4. card connector as claimed in claim 3 is not it is characterised in that described crossbeam is described in described empty avoiding portion Main part coats.

5. card connector as claimed in claim 4 is it is characterised in that described elastic arm is higher than described with the bottom surface of described crossbeam The bottom surface of main part, makes described elastic arm be suspended on described main part.

6. card connector as claimed in claim 5 it is characterised in that described projection from described empty avoiding portion edge extend when, will In described crossbeam mid portion is coated on.

7. the card connector as described in any one of claim 1-6 is it is characterised in that described card connector also includes being covered in institute State the shielding casing above insulating body.

8. card connector as claimed in claim 1 is it is characterised in that be additionally provided with the middle of the main part of insulating body described in receiving The leg receiving portion of leg.

9. card connector as claimed in claim 1 is it is characterised in that described two elastic arms are from described holding parts one lateral edges Tilt upward extend formed and end cross formation described contact site.