CN103682732B - Connector contact spring and utilize the card connector of this connector contact spring - Google Patents
Connector contact spring and utilize the card connector of this connector contact spring Download PDFInfo
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- CN103682732B CN103682732B CN201310416815.3A CN201310416815A CN103682732B CN 103682732 B CN103682732 B CN 103682732B CN 201310416815 A CN201310416815 A CN 201310416815A CN 103682732 B CN103682732 B CN 103682732B
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Abstract
The invention provides a kind of connector contact spring and utilize the card connector of this connector contact spring, it can realize miniaturization, and can improve the rate of finished products of blanking, and can prevent the erroneous contacts of the electrode terminal of contact spring and card.The connector contact spring (30) of Connection Card and substrate (3) has: be fixed on the fixed part (31) on connector body (10); Be arranged to ring-type, and can relative to first spring (33) of fixed part strain; Arrange continuously with the inner circumferential side of the first spring, and can relative to second spring (34) of the first spring strain; Contact portion (35); Outstanding and arrange continuously and to the inner circumferential side of the first spring with fixed part, and be installed on the installation portion (36) on substrate; And the protuberance of a part of edge of the first spring is formed in the mode that the contact portion side to the second spring is outstanding.
Description
Technical field
The present invention relates to connector contact spring and utilize the card connector of this connector contact spring.
Background technology
In the past, in order to such as reading and writing data as the storage card of miniature SD card and so on or the IC-card (being referred to as card below) as SIM card and so on, the card connector of installing card was popularized.Card connector is installed on such as and is located on the substrate of electronic equipment.
This card connector is provided with the contact spring for Connection Card and substrate.As shown in Figure 7, as contact spring 100, the known structure (such as with reference to patent documentation 1) with the first fixed part 110, second fixed part 120, first spring 130, second spring 140, contact portion 150 and installation portion 160.
First fixed part 110 and the second fixed part 120 separate suitable interval and are fixed on connector body 200.
First spring 130 is formed the first fixed part 110 and the second fixed part 120 continuously.First spring 130 can relative to the first fixed part 110 and the second fixed part 120 strain.
Second spring 140 is arranged from the bottom of the roughly U-shaped of the first spring 130 towards the first fixed part 110 and the second fixed part 120 side.Second spring 140 can relative to the first spring 130 strain.
Contact portion 150 is arranged in the second spring 140, and can contact with the electrode terminal 300 of card.
Installation portion 160 is arranged at the side contrary with the first spring 130 across the first fixed part 110 highlightedly from the first fixed part 110.Installation portion 160 is connected with the terminal of substrate by solder etc.
Prior art document
Patent documentation 1: Japanese Unexamined Patent Publication 2000-67977 publication
But, in existing contact spring 100, because installation portion 160 is installed on the side contrary with the first spring 130 across the first fixed part 110, the finished product rate variance of the therefore blanking when forming contact spring 100 with a parts stamping-out.In addition, the scope of surrounding by the first fixed part 110 and the second fixed part 120 and the first spring 130 due to contact spring 100 Billy is also large, is therefore difficult to the miniaturization carrying out card connector.
In addition, exist card being arranged on the occasion on card connector, there is the card of the electrode terminal in the region extending to adjacent contact spring.The occasion of this card is being installed, due to vibration etc., is there is adjacent contact spring and the situation of electrode terminal erroneous contacts not being connecting object.
Summary of the invention
The present invention makes to address this is that, object is to provide connector contact spring and utilizes the card connector of this connector contact spring, and it can realize miniaturization, and can improve the rate of finished products of blanking, further, the erroneous contacts with the electrode terminal of card can be prevented.
In order to achieve the above object, connector contact spring of the present invention is arranged on card connector, this card connector has the connector body that card can be held in and can carry out reading and writing data to above-mentioned card, and be installed on substrate, above-mentioned connector contact spring is electrically connected above-mentioned card and aforesaid substrate, it is characterized in that having: be fixed on the fixed part on above-mentioned connector body; Edge and fixation portions continuously and form ring-type, and can relative to the first spring of fixation portions strain; Arrange continuously with a part for the inner circumferential side of an edge of above-mentioned first spring, and can relative to the second spring of above-mentioned first spring strain; To be arranged in above-mentioned second spring and the contact portion that can contact with above-mentioned electrode terminal; And arrange highlightedly with the inner circumferential side at least partially continuously and to above-mentioned first spring of fixation portions, and be installed on the installation portion on aforesaid substrate.
According to structure of the present invention, the installation portion of connector contact spring and fixed part outstanding continuously and to the inner circumferential side of the first spring at least partially and arranging.Thus, with installation portion as in the past compared with the outstanding and situation about arranging of the outer circumferential side of the first spring, connector contact spring can be reduced, therefore, it is possible to make the integral miniaturization of card connector.
In addition, compared with and situation about arranging outstanding to the outer circumferential side of the first spring with installation portion as in the past, the rate of finished products of blanking can be improved when forming connector contact spring with a parts stamping-out.Thus, compared with the past, can fee of material be reduced.
In this connector contact spring, be provided with continuously above-mentioned second spring above-mentioned first spring above-mentioned edge outer circumferential side edge a part formed protuberance, a part for above-mentioned outer circumferential side edge is positioned at the position relative with a part for the above-mentioned inner circumferential side of the above-mentioned edge being provided with above-mentioned second spring continuously.
According to this structure, the erroneous contacts of the electrode terminal of connector contact spring and the card adjoined can be prevented.
In addition, in order to achieve the above object, card connector of the present invention has: can keep card and be installed on the connector body on substrate; And the above-mentioned connector contact spring be equipped on above-mentioned connector body.According to this structure, due in the card connector carrying above-mentioned connector contact spring, connector contact spring can be reduced, therefore, it is possible to make the integral miniaturization of card connector.And, due to the rate of finished products of connector contact spring can be made to improve, therefore, it is possible to reduce the cost of card connector.
Effect of the present invention is as follows.
According to the present invention, can provide connector contact spring and utilize the card connector of this connector contact spring, it can realize miniaturization, and can improve the rate of finished products of blanking, and can prevent the erroneous contacts with the electrode terminal of card.
Accompanying drawing explanation
Fig. 1 is the stereogram of the card connector representing the connector contact spring carrying first and second execution mode of the present invention.
Fig. 2 is the stereogram of the connector contact spring representing the first execution mode of the present invention.
Fig. 3 is the partial cut away side views of the example representing the state connector contact spring of the first execution mode of the present invention being equipped on also installing card on card connector.
Fig. 4 is the stereogram of the connector contact spring representing the second execution mode of the present invention.
Fig. 5 is the partial cut away side views of the example representing the state connector contact spring of the second execution mode of the present invention being equipped on also installing card on card connector.
Fig. 6 is the stereogram of the connector contact spring representing the 3rd execution mode of the present invention.
Fig. 7 is the figure representing existing connector contact spring, and Fig. 7 (a) represents vertical view, and Fig. 7 (b) represents end view.
Fig. 8 is the stereogram of the connector contact spring representing the 4th execution mode of the present invention.
Fig. 9 is the stereogram representing the connector contact spring observing the 4th execution mode of the present invention from the direction observed from below in fig. 8.
Figure 10 is the cutaway view of the connector contact spring of the 4th execution mode of the present invention observed on the B-B line direction shown in Fig. 8.
Figure 11 amplifies the connector contact spring of the 4th execution mode of the present invention be mounted in by earth's surface on card connector and installed the vertical view of a part for the structure of an example of the state of card.
Figure 12 represents to be mounted in by the connector contact spring of the 4th execution mode of the present invention on card connector and to have installed the partial side view in cross section of an example of the state of card.
Figure 13 is the stereogram of the connector contact spring representing the 5th execution mode of the present invention.
Figure 14 is the stereogram representing the connector contact spring observing the 5th execution mode of the present invention from the direction observed from below in fig. 13.
Figure 15 is the stereogram of the card connector representing the connector contact spring having carried the 6th execution mode of the present invention.
Figure 16 is the stereogram of the connector contact spring representing the 6th execution mode of the present invention.
Figure 17 is the stereogram representing the connector contact spring observing the 6th execution mode of the present invention from the direction observed from below in figure 16.
Figure 18 is the side sectional view of the connector contact spring of the 6th execution mode of the present invention that the C-C line direction shown in Figure 16 is observed.
In figure:
1-card connector, 2-card, 2a-electrode terminal, 2b-electrode terminal, 2c-electrode terminal, 3-substrate, 10-connector body, 11-main body side support component, 30-first contact spring (connector contact spring), 31-fixed part, 31a-first fixed part, 31b-second fixed part, 33-first spring, 33a-is to edge (edge), 33b-side portion (edge), 34-second spring, 35-contact portion, 36-installation portion, 37-linking part, 40-second contact spring (connector contact spring), 41-fixed part, 43-first spring, 43a-is to edge, 43b-side portion, 44-second spring, 45-contact portion, 46-installation portion, 47-linking part, 50-the 3rd contact spring (connector contact spring), 60, 70, 90-protuberance.
Embodiment
Below, the connector contact spring of first and second execution mode of the present invention is described with reference to accompanying drawing.In the present embodiment, situation about being equipped on the card connector of SIM card by connector contact spring of the present invention is described.
First, structure is described.
As shown in Figure 1, card connector 1 has: connector body 10; Radome 20; And as the contact spring 40 of contact spring 30, second execution mode of the first execution mode of connector contact spring and contact spring 50.
Connector body 10 can hold by order to read and write data to card 2 and keep the housing of card 2 to form, and is located at (with reference to Fig. 2) on the substrate 3 of the electronic equipments such as such as mobile phone in being installed on.In the present embodiment, block 2 can insert and take out relative to connector body 10 in the direction of the plane along card.
Radome 20 covering connector main body 10, and prevent the card 2 be contained in connector body 10 from externally giving prominence to.
In the present embodiment, card 2 has eight electrode terminals 2a, 2b, 2c, and these electrode terminals are configured on one side with roughly square shape.Specifically, three, the front side of direction of insertion A of 2 is blocked and one, the central authorities in rear side three to be one, the central authorities on the right side of electrode terminal 2a, direction of insertion A the be left side of electrode terminal 2b, direction of insertion A are electrode terminal 2c.
Contact spring 30 is configured at six positions corresponding with six electrode terminal 2a of the card 2 being contained in connector body 10.
As shown in Figures 2 and 3, contact spring 30 has fixed part 31, first spring 33, second spring 34, contact portion 35 and the installation portion 36 that are fixed on connector body 10.In addition, contact spring 30 is by stamping-out sheet material, such as thin metallic plate and being formed.
In the present embodiment, fixed part 31 is fixed by the integrally formed grade of casting mold relative to connector body 10.By burying fixed part 31 underground in the inside of connector body 10, the intensity of connector body 10 improves, and especially, can suppress due to causing connector body 10 buckling deformation by heat during Reflow Soldering installing card connector 1.
In the present embodiment, the first spring 33 is roughly U-shaped, and the both ends of the first spring 33 and the both ends of fixed part 31 are formed integrally continuously, utilizes fixed part 31 and the first spring 33 to form the ring-type of continuous print roughly quadrangle.In addition, the first spring 33 have be positioned at the side of fixed part 31 opposite side to edge 33a; And link fixed part 31 and a pair side portion 33b to edge 33a.Further, the first spring 33 can relative to fixed part 31 strain.In addition, edge 33a and a pair side portion 33b is formed to the edge of the first spring of the present invention.
Second spring 34 is arranged continuously from a part for the inner circumferential side of the first spring 33.That is, in contact spring 30, outstanding continuously and formed to inner circumferential side to edge 33a from the first spring 33 of the second spring 34.In addition, the second spring 34 can relative to the first spring 33 strain.
At this, the first spring 33 is identical with the spring stiffness of the second spring 34.That is, the value of the twice of the width of the side portion 33b of the first spring 33 and the width of the second spring 34 are mutually approximate value.
In addition, the setting amount of bow of the contact spring 30 and thickness etc. of connector body 10, so that when card 2 is inserted into that in connector body 10, contact spring 30 bends, any one part of contact spring 30 does not contact with substrate 3.
Contact portion 35 is arranged in the second spring 34, and can contact with the electrode terminal 2a of card 2 when installing card 2.At this, consistent with the direction of insertion A of card 2 towards the direction of contact portion 35 to the linking part 37 of edge 33a from the second spring 34 and the first spring 33.Thereby, it is possible to prevent when card 2 is inserted into connector 1, the electrode terminal 2a of card 2 is hung on the front end of the second spring 34.
Installation portion 36 is outstanding and arrange continuously and to the inner circumferential side of the first spring 33 from fixed part 31.Installation portion 36 is installed on (Fig. 3) on the terminal 3a of substrate 3 by solder.Thus, the first contact spring 30 is electrically connected card 2 and substrate 3.
Further, connector body 10 is formed with main body side support component 11.Main body side support component 11 between the first spring 33 to edge 33a and between linking part 37 and substrate 3, and guarantee the interval to edge 33a and linking part 37 and substrate 3.Just, also do not contact with substrate 3 even if bending because contact spring 30 can also be formed as being pressed by card 2, therefore main body side support component 11 might not need.
Secondly, contact spring 40 is configured at a position corresponding with the electrode terminal 2b of the card 2 be contained in connector body 10.
As shown in Figures 4 and 5, contact spring 40 has fixed part 41, first spring 43, second spring 44, contact portion 45 and installation portion 46.In addition, contact spring 40 is by stamping-out sheet material, such as thin metallic plate and being formed.
In the present embodiment, fixed part 41 is fixed by the integrally formed grade of casting mold relative to connector body 10.By burying fixed part 41 underground in the inside of connector body 10, the intensity of connector body 10 improves, and especially, can suppress due to causing connector body 10 buckling deformation by heat during Reflow Soldering installing card connector 1.
In addition, in the present embodiment, the first spring 43 is roughly U-shaped, and the both ends of the first spring 43 and the both ends of fixed part 41 are formed integrally continuously, utilizes fixed part 41 and the first spring 43 to form the ring-type of continuous print roughly quadrangle.
In addition, the first spring 43 have be positioned at the side of fixed part 41 opposite side to edge 43a; And link fixed part 41 and a pair side portion 43b to edge 43a.Further, the first spring 43 can relative to fixed part 41 strain.Further, edge 43a and a pair side portion 43b is formed to the edge of the first spring of the present invention.
Second spring 44 is arranged continuously from a part for the inner circumferential side of the first spring 43.That is, in contact spring 40, the second spring 44 is outstanding continuously and formed from the side portion 43b of a side of the first spring 43 to inner circumferential side.Second spring 44 can relative to the first spring 43 strain.
In addition, the setting amount of bow of the contact spring 40 and thickness etc. of connector body 10, so that when card 2 is inserted into that in connector body 10, contact spring 40 bends, any one part of contact spring 40 does not contact with substrate 3.
Contact portion 45 is arranged in the second spring 44, and can contact with the electrode terminal 2b of card 2 when installing card 2.At this, from the linking part 47 of the side portion 43b of the second spring 44 and the first spring 43 towards the direction of the leading section of contact portion 45, consistent with the direction of insertion A of card 2.Thereby, it is possible to prevent when card 2 is inserted into card connector 1, the electrode terminal 2b of card 2 is hung on the front end of the second spring 44.
Installation portion 46 is outstanding and arrange continuously and to the inner circumferential side of the first spring 43 from fixed part 41.Installation portion 46 is installed on (Fig. 5) on the terminal 3a of substrate 3 by solder.Thus, contact spring 40 is electrically connected card 2 and substrate 3.
Due to contact spring 50(Fig. 1) just centered by the central shaft of connector body 10, its structure and contact spring 40 symmetrical.Therefore detailed.
Below, action is described.
First, the action of installing card 2 on card connector 1 is described.As shown in Figure 1, user inserts card 2 to connector body 10.Card 2 presses contact spring 30, contact spring 40 and contact spring 50 successively, and is contained in connector body 10.
As shown in Figure 3, contact spring 30 is by being pressed by card 2, and contact portion 35 is pressed into substrate 3 side, the second spring 34 using supported by main body side support component 11 to edge 33a or linking part 37 as fulcrum to substrate 3 lateral bend.Meanwhile, the first spring 33 utilizes fixed part 31 and main body side support component 11 to support each end, or makes middle body to substrate 3 lateral bend using linking part 37 as fulcrum.
In addition, as shown in Figure 5, contact spring 40 is by being pressed by card 2, and contact portion 45 is pressed into substrate 3 side, and the second spring 44 is using the side portion 43b of the first spring 43 and linking part 47 as fulcrum to substrate 3 lateral bend.Meanwhile, the first spring 43 edge 43a is supported on fixed part 41, and to substrate 3 lateral bend.
At this, for contact spring 40, the main body side support component 11 as contact spring 30 and so on is not set.But, due to by the second spring 44 using the side portion 43b of the first spring 43 and linking part 47 as fulcrum to substrate 3 lateral bend, the outer circumferential side of side portion 43b tilts to the direction departed from from substrate 3, and therefore the first spring 43 can not contact to substrate 3 lateral bend same as before.
When taking out card 2 from card connector 1, by extracting card 2, contact spring 30, contact spring 40 and contact spring 50 are liberated.Thus, contact spring 30, contact spring 40 and contact spring 50 reset into original position.
As mentioned above, connector contact spring according to the present embodiment, installation portion 36,46 is outstanding and arrange continuously and to the inner circumferential side of the first spring 33,43 from fixed part 31,41.Thus, with installation portion as in the past compared with the outstanding and situation about arranging of the outer circumferential side of the first spring, contact spring 30, contact spring 40 and contact spring 50 can be reduced, therefore, it is possible to make the integral miniaturization of card connector 1.
In addition, connector contact spring according to the present embodiment, compared with and situation about arranging outstanding to the outer circumferential side of the first spring with installation portion as in the past, when forming connector contact spring with a parts stamping-out, can improve the rate of finished products of blanking.Thus, compared with the past, can fee of material be reduced.
In addition, arranged continuously from fixed part 31,41 by installation portion 36,46, and solder is on substrate 3, can improve the constant intensity of fixed part 31,41 relative to connector body 10.That is, installation portion 36,46 and fixed part 31,41 interlock, and play the effect of auxiliary retention portion 31,41.Thus, even if load acts in the first spring 33,43 and second spring 34,44, fixed part 31,41 also can be suppressed to float from connector body 10 or depart from, the durability of contact spring 30, contact spring 40 and contact spring 50 can be improved.
In addition, connector contact spring according to the present embodiment, the entirety of fixed part 31 and the first spring 33 continuously and become ring-type and form frame.Thus, the intensity of the entirety of contact spring 30 improves, and uses also not fragile and can improve durability even if long-time.
Even if due to for contact spring 40, fixed part 41 and the first spring 43 are also integrated, therefore, it is possible to obtain identical effect.In addition, be also identical for contact spring 50.
In addition, due to connector contact spring according to the present embodiment, formed by stamping-out sheet material, therefore with make multiple part integration and be formed as a tabular situation compared with, easily manufacture and can obtain at an easy rate.
In addition, connector contact spring according to the present embodiment, because the first spring 33 is identical with the spring stiffness of the second spring 34, therefore when card 2 presses contact spring 30, the first spring 33 and the second spring 34 balancedly bend.Thus, do not exist and such as make the amount of bow of a side of the first spring 33 and the second spring 34 extremely diminish and can not get the situation of elastic force, elastic force can be effectively utilized as the entirety of contact spring 30.
Due in contact spring 40, fixed part 41 and the first spring 43 are also integrated, therefore, it is possible to obtain identical effect.In addition, be also identical for contact spring 50.
And, contact spring 30 according to the present embodiment, due to the second spring 34 be formed at the first spring 33 to edge 33a, therefore, it is possible to the inner side of the direction of insertion A of card 2 configuration fixed part 31.In addition, contact spring 40 according to the present embodiment, because the second spring 44 is formed at the side portion 43b of the first spring 43, therefore, it is possible at the left side of the direction of insertion A of card 2 configuration fixed part 41.Further, contact spring 50 according to the present embodiment, because the second spring is formed at the side portion of the first spring, therefore, it is possible to configure fixed part on the right side of the direction of insertion A of card 2.
Thus, according to the configuration of the direction of insertion A of card 2 and electrode terminal 2a, 2b, 2c, the contact spring of appropriate shape can be selected.Thus, the shape of contact spring and the optimized degree of freedom for configuring can be improved, therefore with do not consider the configuration of direction of insertion A and electrode terminal 2a, 2b, 2c as in the past and the situation configuring contact spring is compared, the miniaturization of card connector 1 can be realized.
In addition, card connector 1 according to the present embodiment, when arranging main body side support component 11 between the linking part 37 and substrate 3 of contact spring 30, can reliably suppress contact spring 30 to contact with substrate 3.In addition, compared with there is no the situation of main body side support component 11, load can be born by main body side support component 11, therefore, it is possible to improve the contact pressure caused by contact spring 30.Thus, when obtaining the contact pressure of pre-sizing, compared with there is no the situation of main body side support component 11, the miniaturization of contact spring 30 can be realized.
In the connector contact spring of above-mentioned present embodiment, the situation that fixed part 31 is formed also continuously and the first spring 33 is integrally formed is illustrated.But in connector contact spring of the present invention, be not limited thereto, as shown in Figure 6, the fixed part 31 of the contact spring 30a of the 3rd execution mode can also be separated into the first fixed part 31a and the second fixed part 31b.
In this case, installation portion 36 is continuous from least one party of the first fixed part 31a and the second fixed part 31b, and outstanding and formed to the inner circumferential side of the first spring 33.Thus, owing to not needing to make the global shape of connector contact spring become ring-type, therefore, it is possible to improve the degree of freedom of design.
In addition, identically with the fixed part 31 of the contact spring 30a shown in Fig. 6, the fixed part 41 of contact spring 40 also can be separated into two parts.
In addition, in the connector contact spring of above-mentioned present embodiment, situation about being formed by stamping-out sheet material is illustrated.But, in connector contact spring of the present invention, be not limited thereto, such as, multiple sheet material can also be made integrally to change into a tabular and be formed.In this case, compared with the situation with a sheet metal forming, the degree of freedom of the shape of connector contact spring can be improved.
In addition, in the card connector 1 of above-mentioned present embodiment, the situation that card 2 is inserted into connector body 10 along in-plane is illustrated.But, in card connector of the present invention, be not limited thereto, can also be such as connector contact spring relative to the card be arranged on connector body from vertical direction, card face close to and the structure contacted with electrode terminal.
In addition, in the card connector 1 of above-mentioned present embodiment, the situation arranging main body side support component 11 between the linking part 37 and substrate 3 of contact spring 30 is illustrated.But, in card connector of the present invention, be not limited thereto, such as, main body side support component 11 can not also be set, and at contact spring 30 to edge 33a and linking part 37 being arranged for guaranteeing and the contact spring side support component at interval of substrate 3.
Or, to edge 33a and between linking part 37 and substrate 3, support component can also be set at contact spring 30, but spaced apart.In this case, when load acts on contact spring 30, by the second spring 34 using linking part 37 as fulcrum to substrate 3 lateral bend, the outer circumferential side of edge 33a is tilted to the direction departed from substrate 3.Even if a part for the first spring 33 is carried out bending along with the first spring 33 and the second spring 34 and contacts with substrate 3, until during the front end of contact portion 35 contacts with substrate 3, contact spring 30 continues strain.
In addition, in the card connector 1 of above-mentioned present embodiment, in contact spring 40 and contact spring 50, the situation not arranging support component between linking part and substrate 3 is illustrated.But, in card connector of the present invention, be not limited thereto, such as, substrate-side support component can also be set between linking part and substrate 3, or contact spring side support component is set.
In addition, in the contact spring 30 of above-mentioned first execution mode, the situation identical with the spring stiffness of the second spring 34 to the first spring 33 is illustrated.Such as, but in connector contact spring of the present invention, be not limited thereto, the ratio of the first spring 33 and the second spring 34 is that the scope of about 4:6 ~ 6:4 is just passable.If this scope, then when adopting load in docking point portion 35, the first spring 33 and the second spring 34 any one can both balancedly bend and bear load.
In addition, in the connector contact spring of above-mentioned present embodiment, to the second spring 34,44, any one is all that the situation of odd number is illustrated.But, in connector contact spring of the present invention, be not limited thereto, such as, multiple second spring can also be set.
In addition, in the connector contact spring of above-mentioned present embodiment, to installation portion 36,46, any one is all that the situation of odd number is illustrated.But, in connector contact spring of the present invention, be not limited thereto, such as, multiple installation portion can also be set.
Then, be described with reference to the contact spring 30b of Fig. 8 to Figure 12 to the 4th execution mode of the present invention.
The contact spring 30b of the 4th execution mode forms protuberance 60 in a part for the outer peripheral edges to edge 33a of the first spring 33 of the contact spring 30 of the first execution mode.In contact spring 30b, the structure division common to the contact spring 30 with the first execution mode marks identical symbol and omits the description on accompanying drawing.
Protuberance 60 be located at the second spring 34 and the first spring 33 near the linking part 37 of edge 33a in the outer peripheral edges of edge 33a.Linking part 37 forms the second spring 34 continuously in the mode that the inner circumferential side towards the first spring 33 is outstanding.
In addition, protuberance 60 is kicked up to the second spring 34 direction, side that in other words contact portion 35 of the second spring 34 is outstanding form step with bloating.In the present embodiment, protuberance 60 is 0.03mm apart from the height H in the face of contact portion 35 side to edge 33a.
In addition, expect protuberance 60 be formed in the second spring 34 with in the width range to the linking part 37 of edge 33a, namely linking part 37 in the scope to the length on the length direction of edge 33a.
Protuberance 60 is located at the second spring 34 outstanding to the outer peripheral edges of edge 33a are because, as after describe in detail, as shown in figure 12, when card 2 is inserted in card connector, contact portion 35 by card pressing, the first spring 33 and the second spring 34 bending.Thus, pad (electrode terminal) 20a of the outer peripheral edges to edge 33a closest to card 2 of protuberance 60 is provided with.
In addition, protuberance 60 is formed in the second spring 34 with to the outer peripheral edges in the width range of the linking part 37 of edge 33a are because, when being such as formed in by protuberance 60 in the total length to the outer peripheral edges of edge 33a or be formed in the end perimeter to edge 33a, there is the possibility that this protuberance 60 contacts with the prolongation of the shim portions being contacted with adjacent contact spring 30b mistakenly.
Protuberance 60 such as by carrying out punch process to a part for the outer peripheral edges to edge 33a when docking point spring 30b carries out Blanking Shaping simultaneously, and can bloat to contact portion 35 side and is formed.
Then, with reference to Figure 11 and Figure 12 explanation, storage card 2 is inserted the occasion possessed in the card connector 1 of contact spring 30b.
At this, the example used with the occasion of the card connector 1 of the parts same shape shown in Fig. 1 is described.But the contact spring 30 be arranged in FIG on card connector 1 is replaced into contact spring 30b.Figure 11 represents situation about to be inserted by storage card 2 in this card connector 1 with vertical view, amplify two adjacent contact spring 30b of local and represent.
As the kind of storage card, as shown in figure 11, the width of pad 20a is larger than the width of contact spring 30b.Using the occasion with the storage card 2 of this pad 20a, pad 20a enters the region of the adjacent contact spring 30b that can not connect, such as, as shown in figure 11, the sidepiece in the left side of pad 20a overlaps with above the side portion 33b on the right side of the contact spring 30b adjoined in left side.
Figure 12 observes partial sectional view that the card 2 with this pad 20a is inserted the state of card connector, that be exaggerated local from the side.
As shown in figure 12, utilize card 2 that contact portion 35 is pressed into substrate 3 side, the second spring 34 is that fulcrum is to substrate 3 lateral bend with what supported by main body side support portion 11 to edge 33a or linking part 37.Meanwhile, the first spring 33 is under the state supporting each end by fixed part 31 and main body side support component 11 and with linking part 37 for fulcrum, bending in the mode that middle body is outstanding to substrate 3 side.
At this, the occasion using the state of the contact spring 30b of the 4th execution mode with the contact spring 30 using the first execution mode as shown in Figure 3 is as shown in Figure 12 compared and is described.
The case of bending of contact spring 30b of the 4th execution mode shown in Figure 12 is identical with the case of bending of the contact spring 30 of the first execution mode shown in Fig. 3.In addition, at this, as storage card 2, use as above-mentioned pad 20a, the pad that the width of pad 20a is larger than the width of contact spring 30,30b.In this occasion, size and the position relationship of the size of pad 20a and contact spring 30 and the pad 20a shown in position relationship with Figure 11 and contact spring 30b are identical.
As shown in figs. 3 and 12, respectively under first and the bending state of the 4th contact spring 30 of execution mode, 30b, card connector 1 is located on device that vehicle possesses, or be located at the occasion of portable terminal device, when device vibrates under the state shown in Figure 11 and Fig. 3 or Figure 12, with its vibration, there is the first spring 33 and the second spring 34 with the situation of the mode of vibration towards card 2 side or substrate 3 lateral bend.
The contact spring 30 of the first execution mode shown in Fig. 3 is as above with the occasion that the mode of vibration is bending, under the situation identical with Figure 11, cause the contact spring 30b(30 in left side) the angle part 33c of side portion 33b on right side contact with the angle part in the left side of pad 20a.
This is because, as shown in Figure 3, by inserting card 2, first and second spring 34,35 bends, and with this, to kick up and close to pad 20a than original position to the outer peripheral edges side of edge 33a towards pad 20a, even if the width of the amplitude of therefore vibration is narrow, also easily produce contact.
Relative to this, the contact spring 30b of the 4th execution mode shown in Figure 12 is with the bending occasion of the mode of vibration, even if the upper surface of the protuberance 60 of contact spring 30b contacts with pad 20a, also, between the end 33c of the side portion 33b of pad 20a and adjacent contact spring 30b, the distance of the certain intervals close to the height being equivalent to protuberance 60 is guaranteed.Thus, the pad 20a that width is wide can not contact with adjacent contact spring 30b.
Then, be described with reference to the contact spring 40a of Figure 13 and Figure 14 to the 5th execution mode of the present invention.
The contact spring 40a of the 5th execution mode forms protuberance 70 in a part for the outer peripheral edges of the side portion 43b of a side of the first spring 43 of the contact spring 40 of the second execution mode.In contact spring 40a, identical symbol is marked on accompanying drawing to the structure division identical with contact spring 40 and omits the description.
Protuberance 70 with in a pair side portion 43b from the first spring 43, mode that the outer peripheral edges of the side portion 43b of the side that forms the second spring 44 continuously bloat formed.Its direction bloated is the direction identical with the direction that the contact portion 45 in the direction of kicking up of the second spring 44, in other words the second spring 44 is given prominence to.
In addition, the part forming protuberance 70 is near the linking part 47 of the second spring 44 and the first spring 43.
In the present embodiment, protuberance 70 is 0.03mm apart from the height H of the upper surface of side portion 43b.In addition, protuberance 70 is expected to be formed in the second spring 44 with in the width range of the linking part 47 of side portion 43b.
Outer peripheral edges protuberance 70 being located at the side portion 43b of the outstanding side of the second spring 44 are because, as shown in Figure 5, when card 2 is inserted card connector, contact portion 45 is pressed by card, first spring 43 and the second spring 44 bend, thus, the outer peripheral edges of the side portion 43b of protuberance 70 are provided with closest to card.
The contact spring of Fig. 5 is not formed protuberance 70, but the occasion of contact spring 40a, movement and the contact spring 40 of the outer peripheral edges of being inserted the first spring 43 and the second spring 44 and the side portion 43b produced by card these move identical.
In addition, protuberance 70 is located in the second spring 44 and the outer peripheral edges in the width range of the linking part 47 of side portion 43b be because, such as when in the total length of outer peripheral edges protuberance 70 being formed in side portion 43b or near the end being formed in side portion 43b, this protuberance 70 likely contacts with the expansion of the shim portions being contacted with adjacent contact spring 40a.
Protuberance 70 such as by carrying out punch process to this part when docking point spring 40a carries out Blanking Shaping simultaneously, and bloats in contact portion 45 side and is formed.
Then, the contact spring 80 of the 6th execution mode of the present invention is described with reference to Figure 15 to Figure 18.
Figure 15 is the stereogram of the card connector 1A representing the contact spring 80 possessing the 6th execution mode of the present invention.Card connector 1A has two connector bodies 10A, 10B.Each connector body possesses the contact spring 80 of the 6th execution mode of the present invention, can on each connector body installing card.
As shown in Figure 16 to Figure 18, contact spring 80 possesses and is fixed on fixed part 81, first spring 83, second spring 84 on connector body 10A or 10B and contact portion 85.
In the present embodiment, the first spring 83 roughly layer U-shaped, at the both ends of the first spring 83 continuously and form the both ends of fixed part 81.Thus, fixed part 81 and the first spring 83 is utilized to form the ring-type of continuous print roughly quadrangle.
First spring 83 possess be positioned at fixed part 81 pairs of avris to edge 83a, link fixed part 81 and a pair side portion 83b to edge 83a.First spring 83 can relative to fixed part 81 strain.In addition, fixed part 81 with edge 83a is bent to be positioned at than the face of side portion 83b position on the lower.
Second spring 84 is arranged continuously in the mode outstanding to the inner circumferential side of the first spring 83 from the linking part 87 of the first spring 83.Linking part 87 is parts to edge 83a and the second spring 84 of link first spring 83.Thus, the second spring 84 can relative to the first spring 83 strain.
Contact portion 85 is split into two strands, is located at the leading section of the second spring 84.Thus, contact portion 85 can contact with the electrode terminal of card (pad) when installing card.
At this, be set to the direction of insertion A of card 2 consistent to the linking part 87 of edge 83a to the direction of contact portion 85 from the second spring 84 and the first spring 83.Thus, when card is inserted card connector 10A, 10B, the electrode terminal of card can be prevented to be hooked on the front end of the second spring 84.
In addition, be provided with linking part 87 the first spring 83 the part to edge 83a formed notch, formed notch form protuberance 90 in the outer peripheral edges of edge 83a.
The position of formation protuberance 90 is not the part bending downwards to edge 83a, is a part for the outer peripheral edges of the position being positioned at the height identical with side portion 83b.
This is because protuberance 90 is formed as having and the protuberance 60 on contact spring 30b, 40a of being formed in the 4th and the 5th execution mode, 70 identical functions.Namely, identical with contact spring 30b, 40a of the 4th and the 5th execution mode, the contact spring 80 of present embodiment is also when card is inserted card connector 10A, 10B, when utilizing the contact portion 85 of card pressing second spring 84, first spring 83 and the second spring 84 bend, with this, the card of the closest side of being located thereon of upper surface of protuberance 90.
Therefore, it is possible to utilize the upper surface of protuberance 90, make to be positioned in the position apart to edge 83a and side portion 83b certain intervals distance.
In addition, contact spring 80 can by carrying out punch press process or punch process and being formed to a sheet material, such as thinner metallic plate.
By the contact spring of above-mentioned 4th to the 6th execution mode, the simple structure that protuberance is set can be utilized, prevent the pad of card and the erroneous contacts of adjacent contact spring.
In addition, by the contact spring of above-mentioned 4th to the 6th execution mode, because protuberance can utilize punch process to be formed when forming contact spring by punch press process simultaneously, therefore, it is possible to easily manufacture the contact spring of the 4th to the 6th execution mode.
In the above-described embodiment, form protuberance by punch process, but also can be bloated by soldering or weld mark formation.
In addition, in the above-described embodiment, with make the shape of protuberance such as shown in Figure 11 from viewed in plan time, for edge is described the rectangle of the long side direction of edge 33a, but also can be square, circular, semicircle, in addition, also can be the rectangle in the direction orthogonal with to the long side direction of edge 33a with long side direction.In addition, protuberance makes card and contact spring separate certain intervals, therefore can be to possess the bar-shaped of the part of support card at the upper surface specified altitude apart from contact spring.
In addition, in the above-described embodiment, be provided with continuously the second spring the first spring a side to edge formed protuberance, but also can be formed in the opposing party to edge, and, as long as card and contact spring can be made to separate certain intervals, then can be formed in other positions of the first spring.
As mentioned above, connector contact spring of the present invention and utilize the card connector of this connector contact spring to play can to realize miniaturization and the rate of finished products that can improve blanking, and prevent the effect of the erroneous contacts of the electrode terminal of contact spring and card, and have for connector contact spring and the card connector utilizing this connector contact spring.
Claims (10)
1. a connector contact spring, be arranged on card connector, this card connector has and the card possessing electrode terminal can be held in the connector body that can carry out reading and writing data to above-mentioned card, and be installed on substrate, above-mentioned connector contact spring is electrically connected above-mentioned card and aforesaid substrate, the feature of above-mentioned connector contact spring is
Have:
Be fixed on the fixed part on above-mentioned connector body;
Possess be positioned at fixation portions to avris to edge and link the edge of fixation portions and the above-mentioned side portion to edge and fixation portions continuously and form ring-type, and can relative to the first spring of fixation portions strain;
Arrange continuously with a part for the inner circumferential side of an edge of above-mentioned first spring, and can relative to the second spring of above-mentioned first spring strain;
The fixation portions being arranged at above-mentioned second spring with above-mentioned between edge and the contact portion that can contact with above-mentioned electrode terminal; And
Arrange highlightedly with the inner circumferential side at least partially continuously and to above-mentioned first spring of fixation portions, and be installed on the installation portion on aforesaid substrate,
Support an above-mentioned edge of above-mentioned first spring and the linking part of above-mentioned second spring by the main body side support component be formed on above-mentioned connector body, and guarantee the interval between above-mentioned linking part and aforesaid substrate,
Above-mentioned jig is for multiple electrode terminal, outstanding and the protuberance for preventing above-mentioned outer circumferential side edge from contacting with adjacent above-mentioned electrode terminal in above-mentioned contact portion side to above-mentioned second spring is formed in a part for the outer circumferential side edge of the above-mentioned edge of above-mentioned first spring, wherein, a part for above-mentioned outer circumferential side edge is positioned at the position relative with a part for the above-mentioned inner circumferential side of the above-mentioned edge being provided with above-mentioned second spring continuously.
2. connector contact spring according to claim 1, is characterized in that,
Fixation portions is made up of the first fixed part and the second fixed part.
3. connector contact spring according to claim 1 and 2, is characterized in that,
Formed with a plate-shaped member stamping-out.
4. connector contact spring according to claim 1 and 2, is characterized in that,
Above-mentioned card is inserted into above-mentioned connector body along in-plane,
The direction of insertion of above-mentioned card and consistent towards the direction of above-mentioned contact portion with the linking part of above-mentioned first spring from above-mentioned second spring.
5. connector contact spring according to claim 1 and 2, is characterized in that,
Above-mentioned first spring is identical with the spring stiffness of above-mentioned second spring.
6. connector contact spring according to claim 1 and 2, is characterized in that,
Second spring is formed at above-mentioned to edge.
7. connector contact spring according to claim 1 and 2, is characterized in that,
Second spring is formed at above-mentioned side portion.
8. connector contact spring according to claim 1 and 2, is characterized in that,
Above-mentioned protuberance has the part of the distance that upper surface that above-mentioned card is held in the above-mentioned edge leaving above-mentioned first spring specifies.
9. connector contact spring according to claim 1 and 2, is characterized in that,
The cross sectional shape in the direction orthogonal with projected direction of above-mentioned protuberance is any one in rectangle, square, circle, ellipse, triangle.
10. a card connector, is characterized in that,
Have and can keep card and the connector body be installed on substrate and the connector contact spring according to any one of claim 1 to 9 be equipped on above-mentioned connector body.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-201587 | 2012-09-13 | ||
| JP2012201587 | 2012-09-13 | ||
| JP2013102272A JP5794254B2 (en) | 2012-09-13 | 2013-05-14 | Contact spring for connector and card connector using the same |
| JP2013-102272 | 2013-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682732A CN103682732A (en) | 2014-03-26 |
| CN103682732B true CN103682732B (en) | 2016-01-06 |
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ID=50319479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416815.3A Active CN103682732B (en) | 2012-09-13 | 2013-09-13 | Connector contact spring and utilize the card connector of this connector contact spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682732B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5718506B1 (en) * | 2014-04-09 | 2015-05-13 | 日本航空電子工業株式会社 | connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03122982A (en) * | 1989-10-06 | 1991-05-24 | Mitsubishi Electric Corp | Connector |
| CN1471750A (en) * | 2000-12-21 | 2004-01-28 | ����ŵ-ͼЪ����������˾ | A flatcontact element for a smart card connector and a smart card connector using a flat contact element |
| CN1685569A (en) * | 2002-10-30 | 2005-10-19 | 松下电工株式会社 | Connector and contact for connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2968466B1 (en) * | 2010-12-07 | 2013-10-25 | Injection Haute Prec | CONTACT AND MICROCIRCUIT BOARD CONNECTOR |
-
2013
- 2013-09-13 CN CN201310416815.3A patent/CN103682732B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03122982A (en) * | 1989-10-06 | 1991-05-24 | Mitsubishi Electric Corp | Connector |
| CN1471750A (en) * | 2000-12-21 | 2004-01-28 | ����ŵ-ͼЪ����������˾ | A flatcontact element for a smart card connector and a smart card connector using a flat contact element |
| CN1685569A (en) * | 2002-10-30 | 2005-10-19 | 松下电工株式会社 | Connector and contact for connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682732A (en) | 2014-03-26 |
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