CN203277847U - Electronic card connector grounding structure - Google Patents
Electronic card connector grounding structure Download PDFInfo
- Publication number
- CN203277847U CN203277847U CN 201320242907 CN201320242907U CN203277847U CN 203277847 U CN203277847 U CN 203277847U CN 201320242907 CN201320242907 CN 201320242907 CN 201320242907 U CN201320242907 U CN 201320242907U CN 203277847 U CN203277847 U CN 203277847U
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- bus
- substrate
- bending point
- electronic card
- bending
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Abstract
An electronic card connector grounding structure comprises a first busbar and a second busbar. The first busbar is in contact with the grounding portion of a PCB for conduction; the first conductive contact on the first busbar is in contact with the grounding portion of an electronic device for conduction; the second busbar is arranged to be opposite to an electronic card; and the second conductive contact on the second busbar is in contact with the electronic card for conduction. The electronic card connector grounding structure is characterized in that the first busbar is connected with the second busbar through a clamp connection member and the clamp connection member is arranged on the first busbar or the second busbar. In the electronic card connector grounding structure provided by the utility model, the contact between the first busbar and the second busbar is changed to double-face contact from single-face contact so that the contact area between the first busbar and the second busbar is increased, the contact is closer and more firm, the contact impedance is reduced and the structure is simple.
Description
Technical field
The utility model relates to electronic card coupler, relates in particular to a kind of ground structure of electronic card coupler.
Background technology
Along with the fast development of computer technology, electronic cards and card reader technical development are rapid, and wherein the PCMCIA electronic card coupler is a kind of socket connection structure for connecting the electronic equipments such as PCMCIA electronic cards and computer.Common PCMCIA electronic card coupler comprises a framework, the main body of this framework is doorframe shape structure, the top cross-bar of doorframe shape structure is as terminal base, terminal base is provided with terminal jacks, and reference column, and reference column is corresponding to the location hole setting on pcb board, the top cross-bar upper plate offers mounting groove, be provided with pcb board in mounting groove, the terminal on pcb board is inserted in terminal jacks towards doorframe shape structure inboard, and reference column is located in location hole; Grounded part corresponding to pcb board on the crossbeam of doorframe shape structure is provided with the first bus, the first bus contacts conducting with the grounded part of pcb board, grounded part corresponding to electronic equipment on the first bus is provided with the first conductive contact, and the first conductive contact contacts conducting with the grounded part of electronic equipment; The left and right sides frame of doorframe shape structure is provided with the second bus, the second conductive contact of the second bus one end contacts conducting with electronic cards, the other end of the second bus is resisted against on the first bus and contacts conducting with the first bus, forms a loop with this and be connected with the earth between electronic cards, the first bus, the second bus and pcb board grounded part.There is following deficiency in the ground structure of above-mentioned electric power connector: 1, be the single face contact between the first bus and the second bus, contact reliability is not good; 2, the contact area of the first bus and the second bus is little; 3, be only against contact between the first bus and the second bus, cause contacting unstable, easily rock produce crooked.Above-mentioned deficiency causes the contact impedance between the first bus and the second bus larger, affects the service behaviour of electronic card coupler.So how to address the above problem just becomes research topic of the present utility model.
Summary of the invention
The utility model provides a kind of ground structure of electronic card coupler, and its purpose is to solve in prior art unreliable stable, contact area is little, contact impedance the is large problem of contact between the first bus and the second bus.
for achieving the above object, the technical solution adopted in the utility model is: a kind of electronic card coupler ground structure, comprise the first bus and the second bus, the first bus contacts conducting with the grounded part of pcb board, the first conductive contact on the first bus and the grounded part of electronic equipment contact conducting, the second bus is corresponding to the electronic cards setting, the second conductive contact on the second bus contacts conducting with electronic cards, connect by a shackle member between described the first bus and the second bus, this shackle member is made of a substrate and a flexure strip, substrate and flexure strip are oppositely arranged, flexure strip is comprised of root and elastic arm two parts in the longitudinal direction, and elastic arm is fixedly connected with substrate by root, forms a buckling groove between substrate and flexure strip with this, described elastic arm is provided with the first bending point and the second bending point, wherein, the second bending point is near the arm end position of elastic arm, the position of the first bending o'clock between the second bending point and root, relative the second bending point of one section elastic arm between described the first bending point and the second bending point is to side bending or a bending that deviates from substrate, relative the second bending point of one section elastic arm between described the second bending point and arm end is to side bending or a bending that deviates from substrate, form an opening " V " shape mouth or " U " shape mouth of substrate dorsad between the first bending point and arm end with this,
Under confined state, in the notch of described buckling groove and electronic card coupler, the notch of mounting groove is towards consistent, one in the first bus and the second bus is provided with described shackle member, the link of another one is located between the substrate and flexure strip of shackle member, the one side of link contacts conducting with described the second bending point, another side and described substrate contacts conducting consist of interface arrangment with this.
Related content in technique scheme is explained as follows:
1, in such scheme, the bottom of described interface arrangment offers location notch corresponding to the reference column on the electronic card coupler framework, the notch of location notch and buckling groove notch towards the opposite, under confined state, reference column embeds in location notch, rocks crooked to stop the first bus and the second bus.
2, in such scheme, described shackle member is under nature, distance between arm end and substrate is parallel to the part of substrate and the distance between substrate greater than the electronic card coupler upper cover, after upper cover fit on electronic card coupler, upper cover is being pressed the arm end of elastic arm, elastic arm is pressed to orientation substrate, further strengthened the stability that contacts between the first bus and the second bus.
the utility model operation principle and advantage: the utility model arranges shackle member by the joining place at the first bus and the second bus, this shackle member is located on the first bus or the second bus, during installation, first will be in place with the bus of shackle member, and in the buckling groove notch that makes shackle member and electronic card coupler the mounting groove notch towards consistent, bus with shackle member is installed not again, the link with the shackle member bus is not snapped between the substrate and flexure strip of shackle member, flexure strip and substrate clamping link, the one side of this link contacts conducting with the second bending point of flexure strip, another side and substrate contacts conducting, form the double contact conducting with this, strengthened the stability of contact compared to the single face contact of prior art, after upper cover fit on electronic card coupler, upper cover is being pressed the arm end of elastic arm, and elastic arm is pressed to orientation substrate, has further strengthened the stability that contacts between the first bus and the second bus, the utility model has increased contact area between the first bus and the second bus, has made its contact more closely stablize, reduce contact impedance, and simple in structure, one section between elastic arm arm end and the second bending point forms a guiding surface, the insertion of the link of being more convenient for.
Description of drawings
Accompanying drawing 1 is the utility model embodiment confined state stereogram;
Accompanying drawing 2 is the utility model embodiment confined state cutaway view;
Accompanying drawing 3 is the partial enlarged drawing of accompanying drawing 2;
Accompanying drawing 4 is the utility model embodiment three-dimensional exploded view;
Accompanying drawing 5 is shackle member stereogram on the utility model embodiment the first bus;
Accompanying drawing 6 is link stereogram on the utility model embodiment the second bus;
Accompanying drawing 7 is the utility model embodiment the first bus and the second bus connection status stereogram;
Accompanying drawing 8 is the partial enlarged drawing of accompanying drawing 7;
Accompanying drawing 9 is the assembling stereogram of the utility model embodiment the first bus and the second bus and pcb board and framework;
Accompanying drawing 10 is the partial enlarged drawing of this accompanying drawing 9.
In above accompanying drawing: 1, upper cover; 2, floor; 3, framework; 4, the first bus; 5, the second bus; 6, pcb board; 7, reference column; 8, substrate; 9, arm end; 10, root; 11, the first bending point; 12, the second bending point; 13, link; 14, the second conductive contact; 15, the first location notch; 16, the second location notch; 17, shackle member; 18, the first conductive contact.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: electronic card coupler ground structure
Shown in accompanying drawing 1 and accompanying drawing 4, described electronic card coupler comprises upper cover 1, base plate 2 and framework 3, the main body of this framework 3 is doorframe shape structure, the top cross-bar of doorframe shape structure is as terminal base, terminal base is provided with terminal jacks and reference column 7, reference column 7 is corresponding to the location hole setting on pcb board 6, the top cross-bar upper plate offers mounting groove, pcb board 6 is located in this mounting groove, terminal on pcb board 6 is inserted in terminal jacks towards doorframe shape structure inboard, and reference column 7 is located in location hole; Be provided with the first bus 4, the first buss 4 corresponding to the grounded part of pcb board 6 on the crossbeam of doorframe shape structure and contact conducting with the grounded part of pcb board 6, the first conductive contact 18 on the first bus 4 contacts conducting with the grounded part of electronic equipment; The left and right sides frame of doorframe shape structure is provided with the second bus 5, the second conductive contact 14 of the second bus 5 one ends contacts conducting with electronic cards, the other end of the second bus 5 is as link 13, this link 13 is laminated structure, link 13 is connected with shackle member 17 on the first bus 4, forms a loop with this and be connected with the earth between the grounded part of electronic cards, the first bus 4, the second bus 5 and pcb board 6.
shown in accompanying drawing 5 ~ accompanying drawing 8, described shackle member 17 is made of a substrate 8 and a flexure strip, and substrate 8 and flexure strip are oppositely arranged, flexure strip is comprised of root 10 and elastic arm two parts in the longitudinal direction, and elastic arm is fixedly connected with substrate 8 by root 10, forms a buckling groove between substrate 8 and flexure strip with this, described elastic arm is provided with the first bending point 11 and the second bending point 12, wherein, the second bending point 12 is near arm end 9 positions of elastic arm, the position of the first bending point 11 between the second bending point 12 and root 10, relative the second bending point 12 of one section elastic arm between described the first bending point 11 and the second bending point 12 is to side bending or a bending that deviates from substrate 8, relative the second bending point 12 of one section elastic arm between described the second bending point 12 and arm end 9 is to side bending or a bending that deviates from substrate 8, form an opening " V " shape mouth or " U " shape mouth of substrate 8 dorsad between the first bending point 11 and arm end 9 with this, the cross section of shackle member 17 is " R " shape.
Shown in accompanying drawing 2, accompanying drawing 3, accompanying drawing 9 and accompanying drawing 10, under confined state, in the notch of described buckling groove and electronic card coupler, the notch of mounting groove is towards consistent, the first bus 4 and the second bus 5 one in both is provided with described shackle member 17, the link 13 of another one is located between the substrate 8 and flexure strip of shackle member 17, consists of interface arrangment with this.
On described the first bus 4, the bottom of shackle member 17 offers the towards the opposite of the notch of the first location notch 15, the first location notchs 15 and buckling groove notch corresponding to the reference column 7 on electronic card coupler framework 3; Offer the second location notch 16 corresponding to reference column 7 on link 13 on described the second bus 5, under confined state, reference column 7 embeds in the first location notchs 15 and the second location notch 16, in order to stop the rocking with crooked of the first bus 4 and the second bus 5.
Shown in accompanying drawing 2 and accompanying drawing 3, described shackle member 17 is under nature, distance between arm end 9 and substrate 8 is parallel to the part of substrate 8 and the distance between substrate 8 greater than upper cover 1, after loading onto upper cover 1, upper cover 1 is pressed the arm end 9 of elastic arm to substrate 8 directions, further strengthen on the first bus 4 chucking power of link 13 on 17 pairs of the second buss 5 of shackle member, made contacting of the first bus 4 and the second bus 5 more firmly stable.
In above-described embodiment, described shackle member 17 is located on the first bus 4, and link 13 is located on the second bus 5, and in actual applications, if shackle member 17 is located on the second bus 5, link 13 is located on the first bus 4, also can reach same effect.
the utility model arranges shackle member 17 by the joining place at the first bus 4 and the second bus 5, this shackle member 17 is located on the first bus 4 or the second bus 5, during installation, first will be in place with the bus of shackle member 17, and in the buckling groove notch that makes shackle member 17 and electronic card coupler the mounting groove notch towards consistent, bus with shackle member 17 is installed not again, the link 13 with shackle member 17 buss is not snapped between the substrate 8 and flexure strip of shackle member 17, link 13 in flexure strip and substrate 8 clampings, the one side of this link 13 contacts conducting with the second bending point 12 on flexure strip, another side contacts conducting with substrate 8, form the double contact conducting with this, strengthened the stability of contact compared to the single face contact of prior art, after upper cover 1 fit on electronic card coupler, upper cover 1 is being pressed the arm end 9 of elastic arm, and elastic arm is pressed to substrate 8 directions, has further strengthened the stability of contact between the first bus 4 and the second bus 5, the utility model has increased contact area between the first bus 4 and the second bus 5, has made its contact more closely stablize, reduce contact impedance, and simple in structure, one section between elastic arm arm end 9 and the second bending point 12 forms a guiding surface, the insertion of the link 13 of being more convenient for.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (3)
1. electronic card coupler ground structure, comprise the first bus (4) and the second bus (5), the first bus (4) contacts conducting with the grounded part of pcb board (6), the first conductive contact (18) on the first bus (4) and the grounded part of electronic equipment contact conducting, the second bus (5) is corresponding to the electronic cards setting, the second conductive contact (14) on the second bus (5) contacts conducting with electronic cards, it is characterized in that: connect by a shackle member (17) between described the first bus (4) and the second bus (5), this shackle member (17) is made of a substrate (8) and a flexure strip, substrate (8) and flexure strip are oppositely arranged, flexure strip is comprised of root (10) and elastic arm two parts in the longitudinal direction, and elastic arm is fixedly connected with substrate (8) by root (10), forms a buckling groove between substrate (8) and flexure strip with this, described elastic arm is provided with the first bending point (11) and the second bending point (12), wherein, the second bending point (12) is near arm end (9) position of elastic arm, the first bending point (11) is positioned at the position between the second bending point (12) and root (10), relative the second bending point (12) of one section elastic arm between described the first bending point (11) and the second bending point (12) is to side bending or a bending that deviates from substrate (8), relative the second bending point (12) of one section elastic arm between described the second bending point (12) and arm end (9) is to side bending or a bending that deviates from substrate (8), form an opening " V " shape mouth or " U " shape mouth of substrate (8) dorsad between the first bending point (11) and arm end (9) with this,
Under confined state, in the notch of described buckling groove and electronic card coupler, the notch of mounting groove is towards consistent, the first bus (4) and the second bus (5) one in both is provided with described shackle member (17), the link of another one (13) is located between the substrate (8) and flexure strip of shackle member (17), the one side of link (13) contacts conducting with described the second bending point (12), another side contacts conducting with described substrate (8), consists of interface arrangment with this.
2. electronic card coupler ground structure according to claim 1, it is characterized in that: the bottom of described interface arrangment offers location notch corresponding to the reference column (7) on electronic card coupler framework (3), the notch of location notch and buckling groove notch towards the opposite.
3. electronic card coupler ground structure according to claim 1, it is characterized in that: described shackle member (17) is under nature, and the distance between arm end (9) and substrate (8) is parallel to the part of substrate (8) and the distance between substrate (8) greater than upper cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242907 CN203277847U (en) | 2013-05-07 | 2013-05-07 | Electronic card connector grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242907 CN203277847U (en) | 2013-05-07 | 2013-05-07 | Electronic card connector grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277847U true CN203277847U (en) | 2013-11-06 |
Family
ID=49508178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242907 Expired - Lifetime CN203277847U (en) | 2013-05-07 | 2013-05-07 | Electronic card connector grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740240A (en) * | 2020-08-25 | 2020-10-02 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
-
2013
- 2013-05-07 CN CN 201320242907 patent/CN203277847U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740240A (en) * | 2020-08-25 | 2020-10-02 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
| CN111740240B (en) * | 2020-08-25 | 2020-11-27 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |