CN204441943U - A kind of charge circuit of screwdriver - Google Patents
A kind of charge circuit of screwdriver Download PDFInfo
- Publication number
- CN204441943U CN204441943U CN201520096843.6U CN201520096843U CN204441943U CN 204441943 U CN204441943 U CN 204441943U CN 201520096843 U CN201520096843 U CN 201520096843U CN 204441943 U CN204441943 U CN 204441943U
- Authority
- CN
- China
- Prior art keywords
- screwdriver
- positive pole
- electric conductor
- charge circuit
- metal shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of charge circuit of screwdriver, and screwdriver comprises metal shell, is provided with bearing pedestal, conducting strip and battery in metal shell; Screwdriver holding seat comprises holding seat main body, PCBA, cathode conductive film and positive pole elastic electric conductor; When screw driver is connected in screwdriver holding seat, externally fed power supply forms charge circuit by way of the negative pole feeder ear of the negative pole of the positive pole of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing pedestal, conducting strip, battery, battery, metal shell, cathode conductive film, PCBA.The beneficial effects of the utility model, adopt the screwdriver and screwdriver holding seat that match, both grafting form charge circuit, convenient and swift to screwdriver charging by this charge circuit; Positive pole elastic electric conductor leads employing ad hoc structure, more reliable with the Contact of screwdriver, reduce the required precision to electric-conductor, and plug is more smooth and easy; Add and make conducting strip abut more firm elastic component with bearing pedestal, improve the stability of charge circuit.
Description
Technical field
The utility model relates to a charge circuit, particularly relates to a kind of charge circuit of screwdriver.
Background technology
Screwdriver is that a kind of being used for twists screw with the instrument forcing it in place, and usual screwdriver is divided into normal screws to criticize, combined screwdriver and electric screwdriver.
Traditional electric screwdriver generally adopts battery to carry out energy supply, and battery altering is comparatively inconvenient, and service time is short.
In prior art, have the electric screwdriver of rechargeable type, general need special cradle, cradle is generally contact or plug-in, the cradle of contact be connected compact not between electric screwdriver, easily get loose, the use of plug-in is not convenient.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem, proposes a kind of charge circuit of screwdriver.
The purpose of this utility model, will be achieved by the following technical programs:
A charge circuit for screwdriver, especially, comprises screwdriver and the screwdriver holding seat for charging to described screwdriver,
Described screwdriver comprises metal shell and is positioned at the screwdriver bit of metal shell end, bearing pedestal, conducting strip and battery is provided with in described metal shell, the end having that described bearing pedestal is arranged at metal shell is exposed to exposing portion outside metal shell, described conducting strip one end is connected with bearing pedestal conducting, the other end is connected with the positive pole conducting of battery, and described metal shell is connected with the negative pole conducting of battery;
Described screwdriver holding seat comprises holding seat main body and is arranged at the PCBA in holding seat main body, the central authorities of described holding seat main body are provided with the screwdriver accepting hole for screwdriver grafting, positive pole elastic electric conductor is provided with in the hollow cavity of described screwdriver accepting hole, the end face of described screwdriver accepting hole is provided with cathode conductive film, the positive pole feeder ear of described PCBA is connected with positive pole elastic electric conductor, and the negative pole feeder ear of described PCBA is connected with cathode conductive film;
When described screw driver is connected in screwdriver holding seat, the end face of described metal shell is conducted with cathode conductive film and abuts, described bearing pedestal is connected to positive pole elastic electric conductor and conducting is connected with it, and external charge current forms charge circuit by way of the negative pole feeder ear of the negative pole of the positive pole of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing pedestal, conducting strip, battery, battery, metal shell, cathode conductive film, PCBA.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor be made up of at least one spring, and described spring electrically conducts with the periphery of bearing pedestal and is connected.
Preferably, described positive pole elastic electric conductor is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor with at least one flexure strip, and described flexure strip electrically conducts with the periphery of bearing pedestal and is connected.
Preferably, described positive pole elastic electric conductor is the positive pole elastic electric conductor with six flexure strips, and its projecting section is plum blossom-shaped.
Preferably, the insulation division in described metal shell is provided with one for one end of described conducting strip being pressed in described bearing pedestal and guaranteeing the elastic component that described conducting strip and bearing pedestal electrically conduct.
Preferably, the switching circuit board for controlling screwdriver operating state is also provided with between described conducting strip and the positive pole of battery.
Preferably, described conducting strip is also provided with an end, and one end of described Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of described Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver.
Preferably, screwdriver bit reception hole is provided with in described screwdriver holding seat.
Preferably, balancing weight is provided with in described screwdriver holding seat.
The beneficial effects of the utility model are mainly reflected in:
1. adopt the screwdriver matched and screwdriver holding seat, screwdriver holding seat and screwdriver form charge circuit, have conveniently feature by this charge circuit to screwdriver charging;
2. positive pole elastic electric conductor leads employing ad hoc structure, and more reliable with the Contact of screwdriver, reduce the required precision to electric-conductor, the plug of screwdriver is more smooth and easy;
3. add and make conducting strip abut more firm elastic component with bearing pedestal, conducting strip abuts firmly with bearing pedestal, improves the stability of charge circuit.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of the charge circuit of a kind of screwdriver of the utility model.
Fig. 2 is the structural representation of screwdriver.
Fig. 3 is the exploded perspective view of screwdriver.
Fig. 4 is the exploded perspective view of the screwdriver holding seat of most preferred embodiment.
Fig. 5 is the enlarged diagram of positive pole elastic electric conductor in Fig. 4.
Fig. 6 is the exploded perspective view of the screwdriver holding seat of another embodiment.
Fig. 7 is the enlarged diagram of positive pole elastic electric conductor in Fig. 6.
Fig. 8 is the cross section structure schematic diagram of screwdriver.
Embodiment
The utility model provides a kind of charge circuit of screwdriver, as shown in Figures 1 to 4, comprise screwdriver and the screwdriver holding seat for charging to screwdriver, screwdriver comprises metal shell 1 and is positioned at the screwdriver bit of metal shell 1 end, screwdriver bit is positioned at the end of metal shell 1, bearing pedestal 2 is provided with in metal shell 1, conducting strip 3 and battery 4, bearing pedestal 2 is arranged at the end of metal shell 1 and has the portion of exposing 21 of exposing to outside metal shell, conducting strip 3 one end is connected with bearing pedestal 2 conducting, the other end is connected with positive pole 41 conducting of battery 4, metal shell 1 is connected with negative pole 42 conducting of battery 4, the PCBA6 that screwdriver holding seat comprises holding seat main body 5 and is arranged in holding seat main body 5, PCBA6 has the USB interface or miniUSB interface that supply externally fed electric power connecting, the central authorities of holding seat main body 5 are provided with the screwdriver accepting hole 51 for screwdriver grafting, positive pole elastic electric conductor 8 is provided with in the hollow cavity of screwdriver accepting hole 51, the end face of screwdriver accepting hole 51 is provided with cathode conductive film 7, the positive pole feeder ear 61 of PCBA6 is connected with positive pole elastic electric conductor 8, and the negative pole feeder ear 62 of PCBA6 is connected with cathode conductive film 7.
When screw driver is connected in screwdriver holding seat, the end face of metal shell 1 is conducted with cathode conductive film 7 and abuts, the portion of exposing 21 of bearing pedestal 2 is connected to positive pole elastic electric conductor 8 and conducting is connected with it, and external charge current forms charge circuit by way of the negative pole feeder ear 62 of the negative pole 42 of the positive pole 41 of the positive pole feeder ear 61 of PCBA6, positive pole elastic electric conductor 8, bearing pedestal 2, conducting strip 3, battery 4, battery 4, metal shell 1, cathode conductive film 7, PCBA6.Be that battery in screwdriver carries out storing charging by this charge circuit.
Wherein, positive pole elastic electric conductor is the positive pole elastic electric conductor be made up of at least one spring, and spring electrically conducts with the periphery of bearing pedestal and is connected.As shown in Figure 4 and Figure 5, the positive pole elastic electric conductor of this case most preferred embodiment is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.The positive pole elastic electric conductor that spring is formed can resilient expansion or retraction, more flexible with docking of bearing pedestal, the grafting being convenient to screwdriver with pull away, and conduction property is superior.
In addition, positive pole elastic electric conductor also can be the positive pole elastic electric conductor with at least one flexure strip, and flexure strip electrically conducts with the periphery of bearing pedestal and is connected.As shown in Figure 6 and Figure 7, be the positive pole elastic electric conductor of another embodiment of this case, this positive pole elastic electric conductor is the positive pole elastic electric conductor with the flexure strip that six are arranged in equilateral hexagonal, and its projecting section is plum blossom-shaped.It is more firm that flexure strip docks with bearing pedestal, and conduction property is superior.
For optimizing this programme, as shown in Figure 8, the insulation division 11 of metal shell 1 is provided with one for one end of conducting strip being pressed in described bearing pedestal and guaranteeing the elastic component 9 that described conducting strip and bearing pedestal electrically conduct, elastic component 9 can improve the stability that conducting strip docks with bearing pedestal, improve the stability of charge circuit, add the useful life of charge circuit.
Screwdriver also has self performance loop, performance loop and charge circuit can partial intersection, concrete, the switching circuit board for controlling screwdriver operating state is also provided with between conducting strip and the positive pole of battery, conducting strip is also provided with an end, one end of Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver, and the Zhi Duan of conducting strip puts in self performance loop of screwdriver.
This case also has other to optimize feature, such as, in screwdriver holding seat, arranging the screwdriver bit reception hole 52 for storing screwdriver bit, being easy to carry.Being provided with balancing weight 10 in such as screwdriver holding seat again, preventing screwdriver from being mentioned by screwdriver holding seat when pulling away screwdriver holding seat.
The utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection range of the present utility model.
Claims (10)
1. a charge circuit for screwdriver, is characterized in that: comprise screwdriver and the screwdriver holding seat for charging to described screwdriver,
Described screwdriver comprises metal shell and is positioned at the screwdriver bit of metal shell end, bearing pedestal, conducting strip and battery is provided with in described metal shell, the end having that described bearing pedestal is arranged at metal shell is exposed to exposing portion outside metal shell, described conducting strip one end is connected with bearing pedestal conducting, the other end is connected with the positive pole conducting of battery, and described metal shell is connected with the negative pole conducting of battery;
Described screwdriver holding seat comprises holding seat main body and is arranged at the PCBA in holding seat main body, the central authorities of described holding seat main body are provided with the screwdriver accepting hole for screwdriver grafting, positive pole elastic electric conductor is provided with in the hollow cavity of described screwdriver accepting hole, the end face of described screwdriver accepting hole is provided with cathode conductive film, the positive pole feeder ear of described PCBA is connected with positive pole elastic electric conductor, and the negative pole feeder ear of described PCBA is connected with cathode conductive film;
When described screw driver is connected in screwdriver holding seat, the end face of described metal shell is conducted with cathode conductive film and abuts, described bearing pedestal is connected to positive pole elastic electric conductor and conducting is connected with it, and external charge current forms charge circuit by way of the negative pole feeder ear of the negative pole of the positive pole of the positive pole feeder ear of PCBA, positive pole elastic electric conductor, bearing pedestal, conducting strip, battery, battery, metal shell, cathode conductive film, PCBA.
2. the charge circuit of a kind of screwdriver according to claim 1, it is characterized in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor be made up of at least one spring, described spring electrically conducts with the periphery of bearing pedestal and is connected.
3. the charge circuit of a kind of screwdriver according to claim 2, is characterized in that: described positive pole elastic electric conductor is by the positive pole elastic electric conductor of a spring Coil-up, and its projecting section is equilateral triangle.
4. the charge circuit of a kind of screwdriver according to claim 1, it is characterized in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor with at least one flexure strip, described flexure strip electrically conducts with the periphery of bearing pedestal and is connected.
5. the charge circuit of a kind of screwdriver according to claim 4, is characterized in that: described positive pole elastic electric conductor is the positive pole elastic electric conductor with six flexure strips, and its projecting section is plum blossom-shaped.
6. the charge circuit of a kind of screwdriver according to claim 1, is characterized in that: the insulation division in described metal shell is provided with one for one end of described conducting strip being pressed in described bearing pedestal and guaranteeing the elastic component that described conducting strip and bearing pedestal electrically conduct.
7. the charge circuit of a kind of screwdriver according to claim 1, is characterized in that: be also provided with the switching circuit board for controlling screwdriver operating state between described conducting strip and the positive pole of battery.
8. the charge circuit of a kind of screwdriver according to claim 7, it is characterized in that: described conducting strip is also provided with an end, one end of described Zhi Duan is connected with the positive pole of battery by switching circuit board, and the other end of described Zhi Duan is connected with the negative pole of battery by the performance loop of screwdriver.
9. the charge circuit of a kind of screwdriver according to claim 1, is characterized in that: be provided with screwdriver bit reception hole in described screwdriver holding seat.
10. the charge circuit of a kind of screwdriver according to claim 1, is characterized in that: be provided with balancing weight in described screwdriver holding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096843.6U CN204441943U (en) | 2015-02-11 | 2015-02-11 | A kind of charge circuit of screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096843.6U CN204441943U (en) | 2015-02-11 | 2015-02-11 | A kind of charge circuit of screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441943U true CN204441943U (en) | 2015-07-01 |
Family
ID=53609760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520096843.6U Withdrawn - After Issue CN204441943U (en) | 2015-02-11 | 2015-02-11 | A kind of charge circuit of screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856141A (en) * | 2016-06-06 | 2016-08-17 | 苏州斯坦科机电有限公司 | Screwdriver and charging seat capable of cooperating in charging |
-
2015
- 2015-02-11 CN CN201520096843.6U patent/CN204441943U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856141A (en) * | 2016-06-06 | 2016-08-17 | 苏州斯坦科机电有限公司 | Screwdriver and charging seat capable of cooperating in charging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |