CN202094435U - Contact spring and electric connection structure - Google Patents
Contact spring and electric connection structure Download PDFInfo
- Publication number
- CN202094435U CN202094435U CN2011202676379U CN201120267637U CN202094435U CN 202094435 U CN202094435 U CN 202094435U CN 2011202676379 U CN2011202676379 U CN 2011202676379U CN 201120267637 U CN201120267637 U CN 201120267637U CN 202094435 U CN202094435 U CN 202094435U
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- metalwork
- fixed part
- contact site
- contact
- flat spring
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Abstract
The utility model provides a contact spring. The contact spring comprises a first metal piece; the first metal piece comprises a first fixed part, element contact parts arranged above the first fixed part, and a spring arm part connected between the first fixed part and the element contact parts; the contact spring part further comprises a second metal piece and an insulation connection part; the second metal part comprises a second fixed part, a second switch contact part located above the second fixed part and a connection part connected between the second fixed part and the second switch contact part; the first fixed part and the second fixed part are respectively fixed on the insulation connection part, and a gap is formed between the first fixed part and the second fixed part; and a first switch contact part is arranged at the front end of the element contact part in an extending manner, and is propped against and connected to the lower part of the second switch contact part. The utility model further provides an electric connection structure adopting the contact spring, and not only achieve electric connection, but also has the function of detecting whether the electric element contacts the contact spring or not.
Description
Technical field
The utility model relates to the electrical connection field, more particularly, relates to a kind of be used to realize contact flat spring that is electrically connected between two electric components and the electric connection structure that uses this contact flat spring.
Background technology
In mobile communication product, assembling for convenience, dismounting, maintenance and replacing, electric components such as some loud speakers, antenna, grounding shell are connected with circuit board by contact flat spring usually.Contact flat spring one end is weldingly fixed on the circuit board, and the other end is Mechanical Contact electric component flexibly then, to finish both electrical connections.
As shown in Figure 1, existing a kind of contact flat spring is by rubber-like sheet metal one bending forming.Its bottom be a straight fixed part 1 ', be used for welding mutually with circuit board; Fixed part 1 ' an end be bent to form elastic arm portion 2 ', elastic arm portion 2 ' end upwards be convexly equipped with contact site 3 '; When practical application, contact flat spring is by contact site 3 ' contact with electric component, and relies on the elastic force of elastic arm portion 2 ' had to keep contacting of contact flat spring and electric component.
Yet, comprise that the connection shell fragment of the prior art of above-mentioned connection shell fragment only has linkage function, do not have to detect and the function that judges whether that electric component contacts with contact flat spring.
Summary of the invention
The utility model does not have to detect and the technical problem that judges whether the function that electric component contacts with contact flat spring in order to solve existing contact flat spring.
In order to solve the problems of the technologies described above, the utility model provides a kind of contact flat spring, comprise: first metalwork, described first metalwork comprise first fixed part, the element contact site above first fixed part and be connected in first fixed part and the element contact site between elastic arm portion; And described contact flat spring also comprises second metalwork and insulated connecting piece;
Described second metalwork comprise second fixed part, the second switch contact site above second fixed part and be connected in second fixed part and the second switch contact site between connecting portion;
Described first fixed part and second fixed part are fixed in respectively on the described insulated connecting piece, and leave the gap between first fixed part and second fixed part; The front end extension of described element contact site is provided with the first switch contact site, and the described first switch contact site contacts in the below of described second switch contact site and with described second switch contact site.
In contact flat spring described in the utility model, the height of the described first switch contact site under free state is higher than the height of described second switch contact site.
In contact flat spring described in the utility model, described insulated connecting piece is two, and described first metalwork and second metalwork are fixed between two insulated connecting piece, and the element contact site of described first metalwork exposes described insulated connecting piece.
In contact flat spring described in the utility model, the both sides of described first fixed part extend upward respectively and are provided with first fixed claw, and correspondence is provided with first connecting hole on the described insulated connecting piece, and described first fixed claw is plugged in described first connecting hole; The both sides of second fixed part extend upward respectively and are provided with second fixed claw, and correspondence is provided with second connecting hole on the described insulated connecting piece, and described second fixed claw is plugged in described second connecting hole.
In contact flat spring described in the utility model, described two insulated connecting piece are vertically installed in the both sides of first metalwork and second metalwork respectively, the height of described second metalwork is lower than the height of described insulated connecting piece, first fixed part of described first metalwork, the height of elastic arm portion are lower than the height of described insulated connecting piece, and the top of the element contact site of described first metalwork exceeds described insulated connecting piece.
In contact flat spring described in the utility model, offer through hole on the described element contact site, described second switch contact site places described through hole.
In contact flat spring described in the utility model, described element contact site has been separated to form first contact chip and second contact chip by described through hole, described first contact chip and second contact chip are symmetrical arranged, and the top of first contact chip and second contact chip is respectively arranged with contact point.
In contact flat spring described in the utility model, described elastic arm portion comprises U-shaped elastic portion and straight-arm portion, described U-shaped elastic portion from first fixed part extend back and forward bending extend to straight-arm portion, described straight-arm portion is connected between U-shaped elastic portion and the element contact site, parallels with described first fixed part.
In contact flat spring described in the utility model, described connecting portion extends back and bends forward from second fixed part and extends to the second switch contact site, and the width of described second switch contact site is less than the width of described connecting portion.
The utility model also provides a kind of electric connection structure, described electric connection structure comprises first electric component, second electric component and aforesaid contact flat spring, described contact flat spring is fixed on described first electric component, described first electric component is provided with first tie point and second tie point, first fixed part of first metalwork of described contact flat spring contacts with described first tie point, second fixed part of second metalwork contacts with described second tie point, the top of the element contact site that is arranged at described first metalwork that described second electric component can contact.
Contact flat spring of the present utility model is provided with first metalwork, second metalwork and insulated connecting piece, the fixed part of described first metalwork and second metalwork is fixed on the described insulated connecting piece respectively and leaves at interval, the front end extension of first metalwork is provided with the first switch contact site, the described first switch contact site is connected to the below of the second switch contact site of described second metalwork, described contact flat spring is fixed on first electric component, the fixed part that makes the win metalwork and second metalwork respectively with first electric component on first, second tie point contacts, when first tie point detects the signal of second tie point transmission, then judging does not have second electric component to contact with contact flat spring; And when second electric component contacts with the element contact site of first metalwork, the element contact site moves down, thereby driving the first switch contact site is connected with the disconnection of second switch contact site, this moment, first tie point can't detect the signal of second tie point transmission, and second electric component is realized being electrically connected by contact flat spring with first electric component; Thus, contact flat spring of the present utility model not only can be realized two electrical connections between the electric component, can also detect and judges that whether second electric component realized and being electrically connected of first electric component by contacting with contact flat spring.
Description of drawings
Fig. 1 is the contact flat spring schematic diagram of prior art.
Fig. 2 is the schematic diagram of the contact flat spring of the utility model preferred embodiment.
Fig. 3 is another angle schematic diagram of contact flat spring shown in Figure 2.
Fig. 4 is the schematic diagram of first metalwork shown in Fig. 2.
Fig. 5 is the schematic diagram of second metalwork shown in Fig. 2.
Fig. 6 is that contact flat spring shown in Figure 2 is installed on the schematic diagram on first electric component.
Fig. 7 is the schematic diagram that contact flat spring shown in Figure 2 is electrically connected with two electric components.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to the accompanying drawings embodiment of the present utility model is elaborated.Herein, same reference numerals is represented the same composition part.And, be to be understood that, in description of the present utility model, relative bearing term such as " front end ", " rear end ", the relative position of each part of expression contact flat spring, wherein, " front end " is meant first metalwork, the end that second metalwork is relative, " rear end " then be meant first metalwork, second metalwork away from an end.Described directional terminology is convenient to each parts and part thereof are described, and is not limited to scope of the present utility model.
As shown in Figures 2 and 3, contact flat spring of the present utility model comprises: first metalwork 1, second metalwork 2 and insulated connecting piece 3; Described first metalwork 1 comprises first fixed part 11, at the element contact site 14 above first fixed part 11 and be connected in elastic arm portion between first fixed part 11 and the element contact site 14, the front end of element contact site 14 extends and is provided with the first switch contact site 15; Described second metalwork 2 comprises second fixed part 21, at the second switch contact site 23 above second fixed part 21 and be connected in connecting portion 12 between second fixed part 21 and the second switch contact site 23.
Described first fixed part 11 and second fixed part 21 are individually fixed on the described insulated connecting piece 3, and leave gap 4 between first fixed part 11 and second fixed part 21; The described first switch contact site 15 is positioned at the below of described second switch contact site 23 and contacts with described second switch contact site 23.
In said structure, described insulated connecting piece 3 is used for fixing described first metalwork 1 and second metalwork 2, and first fixed part 11 and second fixed part 21 of described first metalwork 1 are individually fixed on the described insulated connecting piece 3, and leave gap 4 between the two.15 belows that are connected to described second switch contact site 23 of the first switch contact site of first metalwork 1, first metalwork 1 is realized being electrically connected by contacting of the first switch contact site 15 and second switch contact site 23 with second metalwork 2.When placing electric component on the element contact site 14 of first metalwork 1, element contact site 14 moves down, and first metalwork 1 disconnects with second metalwork 2 and being connected, and two electric components are then realized being electrically connected by first metalwork 1.
Particularly, consult Fig. 4, described first metalwork 1 is used for forming electrical connection between two electric components, with existing contact flat spring similarly, comprise first fixed part 11, at the element contact site 14 above first fixed part 11 and be connected in elastic arm portion between first fixed part 11 and the element contact site 14, be with the difference of existing contact flat spring, the front end extension of described element contact site 14 is provided with the first switch contact site 15, is used for contacting with the second switch contact site 23 of second metalwork 2.
In the present embodiment, described elastic arm portion comprises U-shaped elastic portion 12 and straight-arm portion 13, described U-shaped elastic portion 12 from first fixed part 11 extend back and forward bending extend to straight-arm portion 13, described straight-arm portion 13 is connected between U-shaped elastic portion 12 and the element contact site 14, parallels with described first fixed part 11; Described U-shaped elastic portion 12 has elasticity, straight-arm portion 13 is passed to element contact site 14 with the elastic force of U-shaped elastic portion 12, make when electric component contacts with described element contact site 14, described element contact site 14 can move down, and when described electric component was removed, described element contact site 14 can pop up reinstatement.
In the present embodiment, described element contact site 14 is similar to semicircular arc, and setting protruding upward is in order to the contact of power supply gas element.Offer microscler through hole 140 on the described element contact site 14, described element contact site 14 has been separated to form first contact chip 141 and second contact chip 142 by described microscler through hole 140, described first contact chip 141 and second contact chip 142 are symmetrical arranged, the top of first contact chip 141 and second contact chip 142 is respectively arranged with contact point, thereby can form two the contact with electric component, make first metalwork 1 more reliable with contacting of electric component.
What deserves to be mentioned is that the first switch contact site 15 extends setting forward by element contact site 14, roughly is the square shape.In order to make the first switch contact site 15 more reliable with being connected of second switch contact site 23, under free state, promptly under the constraint of no second switch contact site 23, the height of the described first switch contact site 15 is higher than the height of described second switch contact site 23, makes the switch contact site 15 of winning form excellent contact with second switch contact site 23.In the manufacturing process of contact flat spring, the first switch contact site 15 is pressed to the below of second switch contact site 23, make the elastic arm portion of the metalwork 1 of winning produce the internal stress that moves, store the elastic force that moves, make the switch contact site 15 of winning form excellent contact with second switch contact site 23; And, reduced the difficulty that contact flat spring is made because the constraint of second switch contact site 23 makes that the height setting of element contact site 14 is more accurate, stablizes.In addition, draw, and the utility model makes that by the constraint of second switch contact site 23 element contact site 14 is not easy to move because of the effect of external force because existing element contact site 14 is easy to be colluded by the outside; Further, make the front end of described second switch contact site 23 place the microscler through hole 140 of described element contact site 14, the switch contact site 15 of winning all can't be moved on all directions, thereby avoided element contact site 14, elastic arm portion to be out of shape, to lose efficacy because of the effect of external force.
Consult Fig. 5, described second metalwork 2 is used to scout and judges whether that electric component contacts with the element contact site 14 of first metalwork 1, described second metalwork 2 comprises second fixed part 21, at the second switch contact site 23 above second fixed part 21 and be connected in connecting portion 12 between second fixed part 21 and the second switch contact site 23, the function of described second metalwork 2 will describe in detail later.
In the present embodiment, described connecting portion 12 extends back and bends forward from second fixed part 21 and extends to second switch contact site 23, described second switch contact site 23 contacts with the first switch contact site 15 that is positioned at its below, and described first metalwork 1 is realized good electrical connection with second metalwork 2 by contacting of described first switch contact site 15 and second switch contact site 23; The width of described second switch contact site 23 is less than the width of described connecting portion 12, and the front end of described second switch contact site 23 places the microscler through hole 140 of described element contact site 14, to dodge the activity of described element contact site 14, make described element contact site 14 to move down; Because the constraint of described second switch contact site 23 makes that the setting of element contact site 14 is more accurate, stablizes, reduced the manufacture difficulty of contact flat spring simultaneously.
As shown in Figures 2 and 3, described insulated connecting piece 3 is two, adopts insulating material, and for example: plastic production forms, and is used for fixing first metalwork 1 and second metalwork 2; Described first metalwork 1 and second metalwork 2 are fixed between two insulated connecting piece 3, and the element contact site 14 of described first metalwork 1 exposes described insulated connecting piece 3, the gas element that is used to power contact.
In the present embodiment, preferably, described two insulated connecting piece 3 are vertically installed in the both sides of first metalwork 1 and second metalwork 2 respectively, first fixed part 11 of described first metalwork 1 is individually fixed on two insulated connecting piece 3 by welding or mechanical connection, and second fixed part 21 of described second metalwork 2 also can be individually fixed on two insulated connecting piece 3 by welding or mechanical connection.The height of described second metalwork 2 is lower than the height of described insulated connecting piece 3; first fixed part 11 of described first metalwork 1, the height of elastic arm portion are lower than the height of described insulated connecting piece 3; make described insulated connecting piece 3 not only can fix first metalwork 1 and second metalwork 2; can also take in protection first metalwork 1 and second metalwork 2 effectively; and the top of the element contact site 14 of described first metalwork 1 exceeds described insulated connecting piece 3, the gas element that is used to power contact.
In the present embodiment, in order to make first metalwork 1 more reliable with fixing of insulated connecting piece 3, similarly, the both sides of described first fixed part 11 extend upward respectively and are provided with first fixed claw 111, correspondence is provided with first connecting hole on the described insulated connecting piece 3, and described first fixed claw 111 is plugged in described first connecting hole; In order to make second metalwork 2 more reliable with fixing of insulated connecting piece 3, similarly, the both sides of second fixed part 21 extend upward respectively and are provided with second fixed claw 211; Correspondence is provided with second connecting hole on the described insulated connecting piece 3, and described second fixed claw 211 is plugged in described second connecting hole; By said fixing pawl structure, make described first metalwork 1, second metalwork 2 and insulated connecting piece 3 form good binding.
As Figure 6 and Figure 7, the utility model also provides the electric connection structure that adopts above-mentioned contact flat spring, described electric connection structure comprises first electric component 10, second electric component 20 and aforesaid contact flat spring, described contact flat spring is fixed on described first electric component 10, described first electric component 10 is provided with the first tie point A1 and the second tie point A2, first fixed part 11 of first metalwork 1 of described contact flat spring contacts with the described first tie point A1, second fixed part 21 of second metalwork 2 contacts with the described second tie point A2, described second electric component 20 can descend the top of the element contact site 14 of described first metalwork 1 of being arranged at of press contacts, described second electric component 20 contacts by the element contact site 14 with first metalwork 1, and realizes and being electrically connected of first electric component 10.
In the present embodiment, described first electric component 10 is a circuit board, described circuit board is provided with the first tie point A1 and the second tie point A2, first fixed part 11 of first metalwork 1 of described contact flat spring contacts with the described first tie point A1, and second fixed part 21 of second metalwork 2 contacts with the described second tie point A2.As shown in Figure 4, when the element contact site 14 that does not have second electric component 20 with first metalwork 1 contacts, the described first switch contact site 15 is connected to the below of the second switch contact site 23 of described second metalwork 2, described first metalwork 1 is electrically connected with second metalwork 2, the second tie point A2 can detect the signal of first tie point A1 transmission, does not have second electric component 20 to contact with contact flat spring thereby can judge.As shown in Figure 5, when second electric component 20 contacts with the element contact site 14 of first metalwork 1, element contact site 14 moves down, thereby driving the first switch contact site 15 is connected with 23 disconnections of second switch contact site, this moment, the second tie point A2 can't detect the signal of first tie point A1 transmission, thereby can judge has second electric component 20 to contact with first metalwork 1, and realizes and being electrically connected of circuit board by contact flat spring.Need to prove that the circuit structure between the described second tie point A2 and the first tie point A1 can pass through existing techniques in realizing, its effect is to realize that the second tie point A2 detects the signal of first tie point A1 transmission, does not do at this and gives unnecessary details.
In sum, contact flat spring of the present utility model is provided with first metalwork, second metalwork and insulated connecting piece, the fixed part of described first metalwork and second metalwork is fixed on the described insulated connecting piece respectively and leaves at interval, the front end extension of first metalwork is provided with the first switch contact site, the described first switch contact site is connected to the below of the second switch contact site of described second metalwork, described contact flat spring is fixed on first electric component, the fixed part that makes the win metalwork and second metalwork respectively with first of first electric component, second tie point contacts, when first tie point detects the signal of second tie point transmission, then judging does not have second electric component to contact with contact flat spring; And when second electric component contacts with the element contact site of first metalwork, the element contact site moves down, thereby driving the first switch contact site is connected with the disconnection of second switch contact site, this moment, first tie point can't detect the signal of second tie point transmission, and second electric yuan is electrically connected by the contact flat spring realization with first electric component; Thus, contact flat spring of the present utility model not only can be realized two electrical connections between the electric component, can also detect and judges that whether second electric component realized and being electrically connected of first electric component by contacting with contact flat spring.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. contact flat spring comprises: first metalwork, described first metalwork comprise first fixed part, the element contact site above first fixed part and be connected in first fixed part and the element contact site between elastic arm portion; It is characterized in that described contact flat spring also comprises second metalwork and insulated connecting piece;
Described second metalwork comprise second fixed part, the second switch contact site above second fixed part and be connected in second fixed part and the second switch contact site between connecting portion;
Described first fixed part and second fixed part are fixed in respectively on the described insulated connecting piece, and leave the gap between first fixed part and second fixed part; The front end extension of described element contact site is provided with the first switch contact site, and the described first switch contact site contacts in the below of described second switch contact site and with described second switch contact site.
2. contact flat spring as claimed in claim 1 is characterized in that, the height of the described first switch contact site under free state is higher than the height of described second switch contact site.
3. contact flat spring as claimed in claim 1 is characterized in that, described insulated connecting piece is two, and described first metalwork and second metalwork are fixed between two insulated connecting piece, and the element contact site of described first metalwork exposes described insulated connecting piece.
4. contact flat spring as claimed in claim 3, it is characterized in that, the both sides of described first fixed part extend upward respectively and are provided with first fixed claw, and correspondence is provided with first connecting hole on the described insulated connecting piece, and described first fixed claw is plugged in described first connecting hole; The both sides of second fixed part extend upward respectively and are provided with second fixed claw, and correspondence is provided with second connecting hole on the described insulated connecting piece, and described second fixed claw is plugged in described second connecting hole.
5. contact flat spring as claimed in claim 3, it is characterized in that, described two insulated connecting piece are vertically installed in the both sides of first metalwork and second metalwork respectively, the height of described second metalwork is lower than the height of described insulated connecting piece, first fixed part of described first metalwork, the height of elastic arm portion are lower than the height of described insulated connecting piece, and the top of the element contact site of described first metalwork exceeds described insulated connecting piece.
6. contact flat spring as claimed in claim 1 is characterized in that, offers through hole on the described element contact site, and described second switch contact site places described through hole.
7. contact flat spring as claimed in claim 6, it is characterized in that, described element contact site has been separated to form first contact chip and second contact chip by described through hole, and described first contact chip and second contact chip are symmetrical arranged, and the top of first contact chip and second contact chip is respectively arranged with contact point.
8. contact flat spring as claimed in claim 1, it is characterized in that, described elastic arm portion comprises U-shaped elastic portion and straight-arm portion, described U-shaped elastic portion from first fixed part extend back and forward bending extend to straight-arm portion, described straight-arm portion is connected between U-shaped elastic portion and the element contact site, parallels with described first fixed part.
9. contact flat spring as claimed in claim 1 is characterized in that, described connecting portion extends back and bends forward from second fixed part and extends to the second switch contact site, and the width of described second switch contact site is less than the width of described connecting portion.
10. electric connection structure, it is characterized in that, described electric connection structure comprises first electric component, second electric component and as any described contact flat spring of claim 1-9, described contact flat spring is fixed on described first electric component, described first electric component is provided with first tie point and second tie point, first fixed part of first metalwork of described contact flat spring contacts with described first tie point, second fixed part of second metalwork contacts with described second tie point, the top of the element contact site that is arranged at described first metalwork that described second electric component can contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202676379U CN202094435U (en) | 2011-07-27 | 2011-07-27 | Contact spring and electric connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202676379U CN202094435U (en) | 2011-07-27 | 2011-07-27 | Contact spring and electric connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094435U true CN202094435U (en) | 2011-12-28 |
Family
ID=45369479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202676379U Expired - Fee Related CN202094435U (en) | 2011-07-27 | 2011-07-27 | Contact spring and electric connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202094435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159471A (en) * | 2016-08-31 | 2016-11-23 | 深圳天珑无线科技有限公司 | Battery spring lamination and battery |
| CN109659714A (en) * | 2018-12-26 | 2019-04-19 | 江苏米笛声学科技有限公司 | Conducting attachment device between superlinearity loudspeaker and cell phone mainboard |
-
2011
- 2011-07-27 CN CN2011202676379U patent/CN202094435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159471A (en) * | 2016-08-31 | 2016-11-23 | 深圳天珑无线科技有限公司 | Battery spring lamination and battery |
| CN109659714A (en) * | 2018-12-26 | 2019-04-19 | 江苏米笛声学科技有限公司 | Conducting attachment device between superlinearity loudspeaker and cell phone mainboard |
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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 |
Granted publication date: 20111228 Termination date: 20160727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |