CN208723156U - Connection terminal and card connector for card connector - Google Patents
Connection terminal and card connector for card connector Download PDFInfo
- Publication number
- CN208723156U CN208723156U CN201821564684.8U CN201821564684U CN208723156U CN 208723156 U CN208723156 U CN 208723156U CN 201821564684 U CN201821564684 U CN 201821564684U CN 208723156 U CN208723156 U CN 208723156U
- Authority
- CN
- China
- Prior art keywords
- card connector
- elastic slice
- connection terminal
- shell foot
- 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.)
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Abstract
The utility model discloses a kind of connection terminals and card connector for card connector, card connector is arranged on circuit boards, connection terminal includes substrate and the function elastic slice connecting with one end of substrate, the front end of function elastic slice is provided with the shell foot towards circuit board, the insulating substrate of smooth abrasion-proof is provided on the bottom wall of shell foot, when function elastic slice is pressurized, shell foot drives insulating substrate to slide along circuit board；The insulating substrate of smooth abrasion-proof is provided on the shell foot of the function elastic slice of connection terminal, when chip card and card connector contact, function elastic slice is pressurized, shell foot drives insulating substrate to slide along circuit board, since insulating substrate is smooth abrasion-proof material, it can effectively prevent injury of the terminal burr to circuit board, terminal burr tolerance side can also accordingly increase, mold notch structure design in this way is simple, long service life, maintenance cost is low, and cost of stamping reduces by 30%, it effectively prevent the terminal arm of force to be broken, to improve the service life of card connector.
Description
Technical field
The utility model relates to connector technique fields, more particularly to a kind of anti abrasive connecting pin for card connector
Son and and card connector.
Background technique
With the development of science and technology, the mobile terminals such as mobile phone, plate have become indispensable a part in the modern life.For
Realize the function of mobile phone, it usually needs SIM card (SubscriberIdentityModel, user's identification are used in cell phone system
Module).There are multiple bare spots in SIM card, can be electrically connected with the terminal on the SIM card deck of interior of mobile phone, from
And realize the functions such as call, storage information.
Terminal and the movement of Mobile phone PCB direct friction on existing mobile phone card seat.Have the disadvantage that: mobile phone is doing functionality
When plug-in card durable test, because terminal punching press is jagged, terminal surfaces and pcb board big surface friction coefficient.So durable in plug-in card
In test, terminal head portion has the risk of fracture, moreover, Mobile phone PCB plate face green oil in plug-in card durable test is worn, leaks out hand
Electromechanical route causes the loss of signal or short-circuit risks.
Utility model content
The purpose of the utility model is to provide a kind of connection terminals for card connector, to prevent the sub- burr of not-go-end to circuit
The injury of plate.
The another object of the utility model is to provide a kind of card connector, to prevent the terminal burr in deck to circuit board
Injury, extend the service life of deck.
To achieve the goals above, the utility model discloses a kind of connection terminal for card connector, card connectors
On circuit boards, the connection terminal includes substrate and the function elastic slice connecting with one end of the substrate, the function for setting
The front end of elastic slice is provided with the shell foot towards the circuit board, and the insulation lining of smooth abrasion-proof is provided on the bottom wall of the shell foot
Bottom, when the function elastic slice is pressurized, the shell foot drives the insulating substrate to slide along the circuit board.
Compared with prior art, it is arranged on shell foot of the utility model for the function elastic slice of the connection terminal of card connector
There is the insulating substrate of smooth abrasion-proof, when chip card is contacted with card connector, function elastic slice is pressurized, and shell foot drives insulating substrate edge
Circuit board sliding can effectively prevent injury of the terminal burr to circuit board, terminal hair since insulating substrate is smooth abrasion-proof material
Thorn tolerance side can also accordingly increase, and such mold notch structure design is simple, and long service life, maintenance cost is low, cost of stamping
Reduce by 30%；In addition, the insulating substrate using smooth abrasion-proof is directly contacted with circuit board, and when function elastic slice is mobile, coefficient of friction
Small, frictional force is small, and terminal arm of force stress is small, effectively prevent the terminal arm of force to be broken, to improve the service life of card connector；Furthermore
Insulating substrate is electrically non-conductive material, so better circuit design space and Wiring method can be provided for circuit board.
Preferably, the substrate is in framework mechanism, and including frame and the accommodating area being made of the frame, the function bullet
Piece is located in the accommodating area.
Preferably, the function elastic slice includes the bending part for having supplied and having connect with the shell foot to above the substrate.
Preferably, being provided with the elastic tongue being upturned along the function elastic slice extending direction in the middle part of the function elastic slice
Piece, the height that the tongue piece is upturned are greater than the height that the function elastic slice is upturned.
Preferably, being provided with the notch being connected to the insulating substrate on the shell foot.
Preferably, the insulating substrate is one step foaming forming plastic cement material.
Preferably, the upper surface of the shell foot is concordant with the upper surface of the substrate.
A kind of card connector is also disclosed in the utility model, including circuit board and the pedestal being set on the circuit board, institute
It states and is provided with connection terminal as described above on pedestal.
Preferably, being additionally provided with drawing and pulling type lid above the pedestal.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment card connector.
Fig. 2 is the schematic perspective view of the utility model embodiment connection terminal.
Fig. 3 is another schematic perspective view of the utility model embodiment card connector.
Specific embodiment
For technology contents, structure feature, realization principle and the objects and the effects that the utility model is described in detail, with
Lower combination embodiment simultaneously cooperates attached drawing to be explained in detail.
As depicted in figs. 1 and 2, the utility model discloses a kind of connection terminal 1 for card connector, card connector is set
It sets on circuit board 3, connection terminal 1 includes substrate 10 and the function elastic slice 11 connecting with one end of substrate 10, function elastic slice 11
Free end be provided with the shell foot 12 towards circuit board 3, the insulating substrate 2 of smooth abrasion-proof is provided on the bottom wall of shell foot 12, when
When function elastic slice 11 is pressurized, shell foot 12 drives insulating substrate 2 to slide along circuit board 3.
The insulating substrate 2 of smooth abrasion-proof is provided on the shell foot 12 of the function elastic slice 11 of the utility model connection terminal 1, when
When card (not shown) and card connector contact, function elastic slice 11 is pressurized, and shell foot 12 drives insulating substrate 2 to slide along circuit board 3,
Since insulating substrate 2 is smooth abrasion-proof material, injury of the terminal burr to circuit board 3, terminal burr tolerance side can be effectively prevent
It can also accordingly increase, such mold notch structure design is simple, and long service life, maintenance cost is low, and cost of stamping reduces by 30%；
In addition, the insulating substrate 2 using smooth abrasion-proof is directly contacted with circuit board 3, when function elastic slice 11 is mobile, coefficient of friction is small, rubs
Wiping power is small, and 1 arm of force stress of connection terminal is small, effectively prevent the arm of force of connection terminal 1 to be broken, to improve the longevity of card connector
Life；Furthermore insulating substrate 2 is electrically non-conductive material, so better circuit design space and cabling side can be provided for circuit board 3
Method.Preferably, the card connector in the present embodiment is mobile phone SIM card connector, function elastic slice 11 with SIM card elasticity for supporting
It connects.Further, insulating substrate 2 is one step foaming forming plastic cement material, and surface is smooth, and wearability is strong.In addition, insulating increasing
In the case where substrate 2, in order to enable shell foot 12 does not influence the use for the chip card connecting with function elastic slice 11, when processing, by bullet
The thickness of foot 12 do it is thinner so that the upper surface of shell foot 12 is concordant with the upper surface of substrate 10.
Specifically, substrate 10 is in framework mechanism, including frame 100 and the accommodating area 101 surrounded by frame 100, function bullet
Piece 11 is located in accommodating area 101, when the card that function elastic slice 11 is attached thereto crimps, electricity of the shell foot 12 in accommodating area 101
It is slided on road plate 3.Preferably, function elastic slice 11 includes the bending part 111 that basad 10 top is arched upward and connect with shell foot 12, bullet
Foot 12 is connect with bending part 111, can increase the contact force of function elastic slice 11 Yu card by the bending part 111.Further,
The middle part of function elastic slice 11 is additionally provided with can be along the elastic tongue piece 112 that 11 extending direction of function elastic slice is upturned, and tongue piece 112 is upward
The height of tilting is greater than the height that function elastic slice 11 is upturned, can be effective by the tongue piece 112 being arranged on function elastic slice 11
The support force on shell foot 12 is reduced, and then reduces the frictional force between insulating substrate 2 and circuit board 3, plays further protection electricity
The effect of road plate 3.
In addition, for convenience being fixedly connected between insulating substrate 2 and shell foot 12, the utility model card connector it is another
It in preferred embodiment, is fixed together between insulating substrate 2 and shell foot 12 by viscose, may be provided on shell foot 12 and served as a contrast with insulation
The notch 120 that bottom 2 is connected to, when processing, can on the notch 120 gluing, so that insulating substrate 2 and shell foot 12 are fixed on one
It rises.
A kind of mobile terminal deck is also disclosed in the utility model, as shown in figure 3, such as mobile phone SIM deck, including circuit board 3
With the pedestal 4 being set on circuit board 3, card connector as described above is provided on pedestal 4, to effectively extend making for deck
With the service life, better circuit design space and Wiring method are provided for circuit board 3.Preferably, being additionally provided with pull above pedestal 4
Formula lid 5, to protect and fix be inserted into SIM card.
Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model certainly with this
Interest field, therefore equivalent variations made according to the patent scope of the utility model still falls within the utility model and covered
Range.
Claims (9)
1. a kind of connection terminal for card connector, the card connector setting is on circuit boards, which is characterized in that the company
Connecting terminal includes substrate and the function elastic slice connecting with one end of the substrate, and the front end of the function elastic slice is provided with towards institute
The shell foot of circuit board is stated, the insulating substrate of smooth abrasion-proof is provided on the bottom wall of the shell foot, when the function elastic slice is pressurized,
The shell foot drives the insulating substrate to slide along the circuit board.
2. the connection terminal according to claim 1 for card connector, the substrate is in framework mechanism, including frame and
The accommodating area being made of the frame, the function elastic slice are located in the accommodating area.
3. the connection terminal according to claim 1 for card connector, the function elastic slice includes in the substrate
The bending part that side arches upward and connect with the shell foot.
4. the connection terminal according to claim 3 for card connector, it is provided in the middle part of the function elastic slice along institute
State the elastic tongue piece that function elastic slice extending direction is upturned, the height that the tongue piece is upturned be greater than the function elastic slice to
The height of upper tilting.
5. the connection terminal according to claim 1 for card connector, it is provided on the shell foot and the insulation serves as a contrast
The notch of bottom connection.
6. the connection terminal according to claim 1 for card connector, the insulating substrate is one step foaming into shape
Glue material.
7. the connection terminal according to claim 1 for card connector, the upper surface of the shell foot and the substrate
Upper surface is concordant.
8. a kind of card connector, which is characterized in that including circuit board and the pedestal that is set on the circuit board, on the pedestal
It is provided with connection terminal as described in any one of claim 1 to 7.
9. card connector according to claim 8, the pedestal top is additionally provided with drawing and pulling type lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564684.8U CN208723156U (en) | 2018-09-20 | 2018-09-20 | Connection terminal and card connector for card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564684.8U CN208723156U (en) | 2018-09-20 | 2018-09-20 | Connection terminal and card connector for card connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723156U true CN208723156U (en) | 2019-04-09 |
Family
ID=65982741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821564684.8U Active CN208723156U (en) | 2018-09-20 | 2018-09-20 | Connection terminal and card connector for card connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723156U (en) |
-
2018
- 2018-09-20 CN CN201821564684.8U patent/CN208723156U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |