CN204834981U - Terminal structure - Google Patents
Terminal structure Download PDFInfo
- Publication number
- CN204834981U CN204834981U CN201520526240.5U CN201520526240U CN204834981U CN 204834981 U CN204834981 U CN 204834981U CN 201520526240 U CN201520526240 U CN 201520526240U CN 204834981 U CN204834981 U CN 204834981U
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- China
- Prior art keywords
- terminal
- free end
- head free
- holding tank
- terminal structure
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Abstract
The utility model provides a terminal structure, electric connection in the card and the PCB board between, terminal structure includes at least: be provided with the plastic base member of at least one fretwork cell body, at least one terminal, the terminal is fixed in the cell body, one side of cell body is provided with the holding tank, wherein, the terminal includes afterbody stiff end, middle cantilever and head free end, the afterbody stiff end is fixed in on the cell body lateral wall, the one end of middle cantilever with the afterbody stiff end links to each other, the other end and the head free end links to each other, middle cantilever is the arch, and the peak of hunch -up is the contact site of terminal and card, the head free end with holding tank activity contact, set up a through -hole in the holding tank. The utility model discloses a terminal structure can effectively prevent to catch hold of with a hook pin, in addition, sets up the through -hole in the holding tank for fixing terminal when gluing is sealed in the shaping, thereby need not to run the slider in the manufacture process, reduces and makes the degree of difficulty, and volume production nature is good.
Description
Technical field
The utility model relates to electric connector field, particularly relates to the terminal structure in a kind of electric connector.
Background technology
Along with the development of science and technology, mobile phone has become an indispensable part in the modern life.For realizing the function of mobile phone, usually need in cell phone system, use SIM card (SubscriberIdentityModel, subscriber identification module).SIM card has multiple bare spot, it can be electrically connected with the terminal be positioned on the SIM card deck of interior of mobile phone, thus realizes the functions such as call, storage information.SIM card deck is a kind of connector planted for SIM card, conventional SIM cards of mobile phones deck comprise for fixed terminal plastic cement fixed pedestal, be integrally embedded the contact terminal in plastic cement fixed pedestal and be arranged on above plastic cement fixed pedestal and and form SIM card between plastic cement fixed pedestal upper surface and to be installed the hardware casing in shape chamber.When mobile phone is produced, SIM card deck is all independently be welded on the pcb board of mobile phone, one end of usual terminal is exposed to above plastic cement fixed pedestal upper surface, form the link being used for carrying out transfer of data with SIM card, the other end of terminal then stretches out in plastic cement fixed pedestal side, form the welding ends being used for welding mutually with pcb board, thus SIM card is electrically connected with the pcb board of interior of mobile phone by SIM card card holder connector.
To insert in withdrawal process not hook pin to ensure to be stuck in, the anti-snag pin terminal structure occurred on the market at present has several as follows, but this several structure all has respective shortcoming.One is triangle terminal structure, still has the risk of routed pin during this terminal structure oblique cutting; One is terminal reflexed freely supported structure, and for this structure, manufacture difficulty when punching press reflexed structure, production is poor; Another kind is plastic cement carrying freely supported structure, and the sealing of this structure plastic cement need run slide block, and manufacture difficulty, production is also poor; Also have one to be S type terminal structure, this structure punching press is taken out and is drawn, and manufacture difficulty, production is poor, and terminal is subdued greatly, functional difference.
Therefore, a kind of novel anti-snag pin terminal structure is provided to be necessary.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of terminal structure, manufactures poor etc. the problem of difficulty, production for solving terminal structure of the prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of terminal structure, is electrically connected between card and pcb board, and described terminal structure at least comprises:
Be provided with the plastic matrix of at least one hollow out cell body, the side of described cell body is provided with holding tank;
At least one terminal, described terminal is fixed in described cell body;
Wherein, described terminal comprises afterbody stiff end, intermediate cantilever and head free end;
Described afterbody stiff end is fixed on described cell body one sidewall;
One end of described intermediate cantilever is connected with described afterbody stiff end, the other end is connected with described head free end, and described intermediate cantilever is arch, and the peak arched upward is the contact site of terminal and card;
Described head free end and described holding tank movable contact, and the upper surface of described head free end is lower than the upper surface of described plastic matrix.
As the structure of a kind of optimization of the utility model terminal structure, described head free end comprises termination, end body and end tail.
As the structure of a kind of optimization of the utility model terminal structure, the termination of described head free end contacts with described holding tank surface activity with end body, and the end tail of described head free end is suspended on described cell body.
As the structure of a kind of optimization of the utility model terminal structure, one through hole is set in described holding tank, the termination of described head free end is suspended on described through hole, and the end body of described head free end contacts with holding tank surface activity, and the end tail of described head free end is suspended on described cell body.
As the structure of a kind of optimization of the utility model terminal structure, the upper surface of described head free end is lower than the upper surface of described plastic matrix.
As the structure of a kind of optimization of the utility model terminal structure, described head free end is plane, the lower surface of described head free end with between described holding tank for face contacts.
As the structure of a kind of optimization of the utility model terminal structure, have a predeterminable range between described head free end and described holding tank cell wall, during to prevent described terminal motion, head free end and described holding tank cell wall occur to clash into and damage.
As the structure of a kind of optimization of the utility model terminal structure, the contact site of described terminal and card protrudes from the upper surface of described plastic matrix.
As the structure of a kind of optimization of the utility model terminal structure, described terminal also comprises and is embedded at the inner and embedded component be connected with described afterbody stiff end of described plastic matrix.
As the structure of a kind of optimization of the utility model terminal structure, described terminal also comprises and to be connected with described embedded component and to stretch out the weld part of described plastic matrix.
As the structure of a kind of optimization of the utility model terminal structure, described weld part is welded on the upper surface of described pcb board.
As mentioned above, terminal structure of the present utility model, is electrically connected between card and pcb board, and described terminal structure at least comprises: the plastic matrix being provided with at least one hollow out cell body; At least one terminal, described terminal is fixed in described cell body, and the side of described cell body is provided with holding tank; Wherein, described terminal comprises afterbody stiff end, intermediate cantilever and head free end; Described afterbody stiff end is fixed on described cell body one sidewall; One end of described intermediate cantilever is connected with described afterbody stiff end, the other end is connected with described head free end, and described intermediate cantilever is arch, and the peak arched upward is the contact site of terminal and card; Described head free end and described holding tank movable contact, one through hole is set in described holding tank, the termination of described head free end is suspended on described through hole, and the end body of described head free end contacts with holding tank surface activity, and the end tail of described head free end is suspended on described cell body.Terminal structure of the present utility model can effectively prevent hook pin, in addition, in holding tank, offers through hole, and for holding terminals during shaping sealing, thus in the fabrication process without the need to running slide block, reduce manufacture difficulty, production is good.
Accompanying drawing explanation
Fig. 1 is the terminal structure schematic diagram in the utility model embodiment one.
Fig. 2 is the vertical view of the terminal structure in the utility model embodiment one.
Fig. 3 is the upward view of the terminal structure in the utility model embodiment one.
Fig. 4 is the cutaway view along AA ' direction in Fig. 2.
Fig. 5 is the enlarged diagram of dotted line frame inner structure in Fig. 4.
Fig. 6 is the terminal structure schematic diagram in the utility model embodiment two.
Fig. 7 is the vertical view of the terminal structure in the utility model embodiment two.
Fig. 8 is the upward view of the terminal structure in the utility model embodiment two.
Fig. 9 is the cutaway view along BB ' direction in Fig. 7.
Figure 10 is the enlarged diagram of dotted line frame inner structure in Fig. 9.
Figure 11 is the schematic diagram of terminal structure surface coverage one shell of the present utility model.
Figure 12 is the structural representation that the utility model inserts the Kato dish being loaded with card on Figure 11 basis.
Element numbers explanation
1 plastic matrix
11 cell bodies
12 holding tanks
2 terminals
21 afterbody stiff ends
22 intermediate cantilever
221 contact sites
23 head free ends
231 terminations
232 end bodies
233 end tails
24 weld parts
3 through holes
4 shells
5 Kato dishes
6 cards
Embodiment
By particular specific embodiment, execution mode of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Figure 12.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
Embodiment one
As shown in Fig. 1 ~ Fig. 5, the utility model provides a kind of terminal structure, and described terminal structure is electrically connected between card and pcb board, and described terminal structure comprises: plastic matrix 1 and at least one terminal 2.
Described card can be SIM card, can be also the card that other any electronic equipments are suitable, not limit at this.
Described plastic matrix 1 is provided with the cell body 11 of at least one hollow out, corresponding fixing one or more terminal 2 in each cell body 11.As shown in Figure 1, in the present embodiment, cell body 11 adaptation holds a terminal 2.Particularly, described cell body 11 penetrates upper surface and the lower surface of described plastic matrix 1 from vertical direction.Preferably, described cell body 1 is rectangle, and the cell body 11 of hollow out directly exposes the surface of pcb board (diagram).
Described terminal 2 comprises afterbody stiff end 21, intermediate cantilever 22 and head free end 23; Described afterbody stiff end 21 is fixed on described cell body 11 1 sidewall; One end of described intermediate cantilever 22 is connected with described afterbody stiff end 21, the other end is connected with described head free end 23, and described intermediate cantilever 22 is in arch, and the peak arched upward is the contact site 221 of terminal and card.Described head free end 23 and described holding tank 12 movable contact, and the upper surface of described head free end 23 is lower than the upper surface of described plastic matrix 1, hook pin when inserting to prevent from being stuck in or extract.
In described holding tank 12, be also provided with through hole 3, this through hole 3 runs through described plastic matrix 1 from top to bottom.The shape of described through hole 3 is not limit, and can be square, circle or triangle etc.In the present embodiment, described through hole 3 is square, and its size can be determined according to the designing requirement of electronic equipment.
The feature of terminal structure in the present embodiment for convenience of description, enlarged diagram as shown in Figure 5, is divided into termination 231, end body 232 and end tail 233 by the head free end 23 of described terminal 2.The termination 231 of described head free end 23 is suspended on described through hole 3, the end body 232 of described head free end 23 contacts with holding tank 12 surface activity (i.e. holding tank 12 lower surface), and 233, the end tail of described head free end 23 is suspended on described cell body 11.
Further, described head free end 23 is plane, the lower surface of described head free end 23 with between described holding tank 12 for face contacts.In forming process, head free end 23 and holding tank 12 lower surface are close to shaping, and for sizing shaped holding terminals, thus the shaping need of solution prior art add the problem of slide block.In addition, holding terminals when described through hole 3 is mainly used in shaping, after shaping, can also by described through hole 3 apply external force on head free end 23, make its lower surface and holding tank 12 bottom faying face get loose, in order to avoid terminal 2 and plastic matrix 1 bond and cause cannot moving during follow-up use.Certainly, after shaping, external force be applied to other suitable positions also can make head free end 23 and holding tank 12 bottom faying face get loose.
In addition, between described head free end 23 and described holding tank 12 cell wall, there is a predeterminable range, when in use moving to prevent described terminal 2, cause head free end 23 and described holding tank 12 cell wall to occur clash into and damage.
It should be noted that, described contact site 221 needs the upper surface higher than described plastic matrix 1, so that contact with terminal 2 when being stuck in insertion and be electrically connected to pcb board.
Further, described terminal 2 also comprises and is embedded at the inner and embedded component be connected with described afterbody stiff end 21 of described plastic matrix 1 and is connected with described embedded component and stretches out the weld part 24 of described plastic matrix 1.By terminal 2, the pcb board in card and mobile phone can be electrically connected.Preferably, described weld part 24 is welded on the upper surface of described pcb board.Because described insertion part is embedded in plastic matrix 1, do not mark in figure.
As the schematic diagram that Figure 11 is terminal structure surface coverage shell 4, generally, described shell 4 is iron-clad.As Figure 12 for the Kato dish 5 being mounted with card 6 inserts the schematic diagram of structure shown in Figure 11, after Kato dish 5 inserts, the bare spot on card 6 contacts with the contact site 221 of terminal 2 and is electrically connected.And because head free end 23 sinks in holding tank 12, therefore card 6 and Kato dish 5 can not catch on terminal 2 during insertion.
Embodiment two
The difference of the present embodiment and embodiment one is, holding tank 12 described in the present embodiment does not arrange through hole, as shown in Fig. 6 ~ Figure 10, in this case, the termination 231 of described head free end 23 all contacts with described holding tank 12 surface activity with end body 232, and the end tail 233 of described head free end 23 is suspended on described cell body 11.In the present embodiment, the end tail 233 of head free end 23 can to match use with the lower surface of described holding tank 12, holding terminals when being beneficial to shaping, and after shaping by apply on tail end 233 external force make head free end 23 and holding tank 12 bottom faying face get loose, so as not to bonding.Certainly, after shaping, external force be applied to other suitable positions also can make head free end 23 and holding tank 12 bottom faying face get loose.
In sum, terminal structure of the present utility model, is electrically connected between card and pcb board, and described terminal structure at least comprises: the plastic matrix being provided with at least one hollow out cell body; At least one terminal, described terminal is fixed in described cell body, and the side of described cell body is provided with holding tank; Wherein, described terminal comprises afterbody stiff end, intermediate cantilever and head free end; Described afterbody stiff end is fixed on described cell body one sidewall; One end of described intermediate cantilever is connected with described afterbody stiff end, the other end is connected with described head free end, and described intermediate cantilever is arch, and the peak arched upward is the contact site of terminal and card; Described head free end and described holding tank movable contact, one through hole is set in described holding tank, the termination of described head free end is suspended on described through hole, and the end body of described head free end contacts with holding tank surface activity, and the end tail of described head free end is suspended on described cell body.Terminal structure of the present utility model can effectively prevent hook pin, in addition, in holding tank, offers through hole, and for holding terminals during shaping sealing, thus in the fabrication process without the need to running slide block, reduce manufacture difficulty, production is good.
So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (7)
1. a terminal structure, is electrically connected between card and pcb board, it is characterized in that, described terminal structure at least comprises:
Be provided with the plastic matrix of at least one hollow out cell body, the side of described cell body is provided with holding tank;
At least one terminal, described terminal is fixed in described cell body;
Wherein, described terminal comprises afterbody stiff end, intermediate cantilever and head free end;
Described afterbody stiff end is fixed on described cell body one sidewall;
One end of described intermediate cantilever is connected with described afterbody stiff end, the other end is connected with described head free end, and described intermediate cantilever is arch, and the peak arched upward is the contact site of terminal and card;
Described head free end comprises termination, end body and end tail, and the upper surface of described head free end is lower than the upper surface of described plastic matrix;
Be provided with through hole in described holding tank, the termination of described head free end is suspended on described through hole, and the end body of described head free end contacts with holding tank surface activity, and the end tail of described head free end is suspended on described cell body.
2. terminal structure according to claim 1, is characterized in that: described head free end is plane, the lower surface of described head free end with between described holding tank for face contacts.
3. terminal structure according to claim 1, is characterized in that: have a predeterminable range between described head free end and described holding tank cell wall, and during to prevent described terminal motion, head free end and described holding tank cell wall occur to clash into and damage.
4. terminal structure according to claim 1, is characterized in that: the contact site of described terminal and card protrudes from the upper surface of described plastic matrix.
5. terminal structure according to claim 1, is characterized in that: described terminal also comprises and is embedded at the inner and embedded component be connected with described afterbody stiff end of described plastic matrix.
6. terminal structure according to claim 5, is characterized in that: described terminal also comprises and to be connected with described embedded component and to stretch out the weld part of described plastic matrix.
7. terminal structure according to claim 6, is characterized in that: described weld part is welded on the upper surface of described pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526240.5U CN204834981U (en) | 2015-07-20 | 2015-07-20 | Terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520526240.5U CN204834981U (en) | 2015-07-20 | 2015-07-20 | Terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834981U true CN204834981U (en) | 2015-12-02 |
Family
ID=54692543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520526240.5U Expired - Fee Related CN204834981U (en) | 2015-07-20 | 2015-07-20 | Terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551030A (en) * | 2018-05-16 | 2018-09-18 | 葛映东 | A kind of electric connector and manufacturing method |
-
2015
- 2015-07-20 CN CN201520526240.5U patent/CN204834981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551030A (en) * | 2018-05-16 | 2018-09-18 | 葛映东 | A kind of electric connector and manufacturing method |
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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: 20151202 Termination date: 20180720 |