CN202016016U - A magnetic controllable screwdriver - Google Patents
A magnetic controllable screwdriver Download PDFInfo
- Publication number
- CN202016016U CN202016016U CN2010206903131U CN201020690313U CN202016016U CN 202016016 U CN202016016 U CN 202016016U CN 2010206903131 U CN2010206903131 U CN 2010206903131U CN 201020690313 U CN201020690313 U CN 201020690313U CN 202016016 U CN202016016 U CN 202016016U
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- CN
- China
- Prior art keywords
- screwdriver
- coil
- magnetic
- bar
- switch
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a magnetic controllable screwdriver, comprising a handle (1) and a screwdriver rod (2), wherein the handle (1) is provided with a power supply (3) and a switch (4), and the screwdriver rod (2) is provided with a coil (5), which (5) is connected with the power supply (3) and the switch (4) for forming a closed circuit. The coil (5) is charged with electricity for magnetizing the screwdriver or demagnetizing the screwdriver. Compared with a screwdriver in the prior art, the magnetic controllable screwdriver can be magnetized through the change-over of the switch when a magnetic force is needed and can be demagnetized through the change-over of the switch when the magnetic force is not needed, thereby enabling the correction and demagnetization treatment of a screw driver head even if the screw drive head can generate the magnetic force because of long-term use and accordingly realizing the free control of the magnetic force of the screwdriver head.
Description
Technical field
The utility model relates to daily life tools, relates in particular to the controlled screwdriver of a kind of magnetic.
Background technology
Conventional screwdriver is made up of handle and batch bar, and handle and batch bar are integral non-dismountable, and the screwdriver bit of batch bar is yi word pattern or cross, or the screwdriver bit exchangeable.A kind of screwdriver is disclosed as utility model patent ZL 200520042647.7, it is made up of combination handle, fastening clips, double end bar, double end bar one end of screwdriver is yi word pattern, the other end is the cross blossom type, the middle part of screwdriver is provided with a fastening clips, it is made up of latch segment, spring, can fastening and pinning double end bar.The combination handle that the rear end of screwdriver is made up of inner sleeve, outer tube, locating piece, plastic cement handle, locating piece is arranged in the plastic cement handle, has the cross notch, is used for the location of double end bar.The advantage of this utility model is: one is dual-purpose screwdriver.The tune of the double end bar by screwdriver is used, and makes it both can make slot type screwdriver, can make Philip's type screwdriver again.
When using screwdriver, lose in order to prevent screw, need magnetic screwdriver, when tightening screw or taking off screw, screw is inhaled at the top of lead screw, handled easily, therefore, be everlasting in the prior art and apply magnetic material on the screwdriver bit or use the magnet magnetization screwdriver bit, reaching the purpose of preserving screwdriver magnetic, but this screwdriver, and magnetic is uncontrollable, often adsorb to walk to have aimed the place in use and wait for situation about tightening the screw, allow use become inconvenient.
Therefore, the someone utilizes the controlled character of the magnetic of electromagnet, has invented the controlled screwdriver of magnetic, and utility model patent ZL200920263652.9 discloses the controlled screwdriver of magnetic, belongs to daily instrument.This its essence is to be provided with insulated coil on the lead screw of screwdriver, and described insulated coil and switch and dc source are connected in series and constitute the closed-loop path.This utility model utilization energising insulated coil makes screwdriver have magnetic, and realizes the controlled of magnetic by the break-make of switch control electric current.
But, the screwdriver that this magnetic is controlled, very limited to the control of magnetic, in fact, the not magnetic screwdriver of routine is after often using, and its screwdriver bit also can produce magnetic, even magnetic is preserved in magnetization.
The utility model content
The purpose of this utility model can freely be controlled magnetic force in order to provide a kind of, also can be corrected the controlled screwdriver of magnetic that demagnetization is handled.
In order to achieve the above object, the utility model has adopted following technical scheme: the controlled screwdriver of a kind of magnetic, comprise handle 1 and batch bar 2, it is characterized in that, be provided with power supply 3 and switch 4 in the described handle 1, described batch of bar 2 is provided with coil 5, and this coil 5 connects and composes the closed-loop path with power supply 3 and switch 4, coil 5 energisings make screwdriver generation magnetic or make the original magnetic demagnetization of screwdriver.
Described switch 4 be the utmost point to change-over switch module, be provided with switch toggle and three gears: A shelves, B shelves and C shelves, when switch toggle contact A shelves and C shelves, the direction that electric current flows through coil 5 is opposite, during switch toggle contact B shelves, coil 5 outages.
The other indicator lamp A that is provided with of described A shelves, described switch toggle contact A shelves, coil 5 energisings produce magnetic field, and indicator lamp A lights, and batch bar 2 in the coil 5 produces magnetic.
Described switch toggle contact B shelves, coil 5 outages, batch bar 2 magnetic in the coil 5 disappear.
The other indicator lamp C that is provided with of described C shelves, described switch toggle contact C shelves, coil 5 energisings produce magnetic field, and indicator lamp C lights, and batch bar 2 in the coil 5 produces the magnetic opposite with the A shelves.
Described switch toggle is arranged on handle 1 bottom.
Described power supply 3 is a battery, and this battery is arranged in the handle, and the negative pole butt utmost point of battery is to change-over switch module 4, and anodal butt is criticized bar 2 one ends, and perhaps the anodal butt utmost point of battery is to change-over switch module 4, and the negative pole butt is criticized bar 2 one ends.
Described coil 5 is the adjustable coil of the number of turns, the coil 5 outer insulated coil sheaths 6 that are with.
Described batch of bar 2 front ends stretch out outside the insulated coil sheath 6.
Described batch of bar 2 front end are the screwdriver of replaceable screwdriver bit or the fixing screwdriver of screwdriver bit.
Compared with prior art, the utility model utilizes the controlled character of the magnetic of electromagnet, sheathed coil on batch bar, coil electricity or outage make screwdriver bit produce magnetic or carrying magnetic not, and can be according to sense of current difference on the coil, produce the opposite magnetic field of magnetic, make screwdriver produce magnetic, or sense of current make screwdriver produce the magnetic opposite with its original magnetic in the coil by changing, and carries out demagnetization.Therefore, the utility model is same as screwdriver, when needs magnetic force helped, just the energy change-over switch made it have magnetic force, when not needing magnetic force, change-over switch, magnetic force just can disappear, even the screwdriver bit head is because of the self-produced magnetisation power of permanent use, also can correct demagnetization and handle, accomplish freely controlling screwdriver bit magnetic force.
Description of drawings
Fig. 1 is the explosive view of the controlled screwdriver of the utility model magnetic;
Fig. 2 is that the utmost point of the controlled screwdriver of the utility model magnetic is to the change-over switch module schematic diagram;
Fig. 3 is the schematic diagram of the controlled screwdriver of the utility model magnetic;
Fig. 4 is the schematic diagram of the controlled screwdriver of the another kind of magnetic of the utility model.
The specific embodiment
As Figure 1-3, the controlled screwdriver of a kind of magnetic, comprise handle 1 and batch bar 2, be provided with power supply 3 (adopting two joint dry cells in the present embodiment) and switch 4 in the described handle 1, described batch of bar 2 is provided with coil 5, this coil 5 connects and composes the closed-loop path with power supply 3 and switch 4, battery is arranged in the handle, the negative pole butt utmost point of battery is to change-over switch module 4, anodal butt is criticized bar 2 one ends, coil 5 is the adjustable coil of the number of turns, makes its size that can change magnetic field by the number of turns of regulating winding, the coil 5 outer insulated coil sheaths 6 that are with.Criticize bar 2 front ends and stretch out outside the insulated coil sheath 6, batch replaceable screwdriver bit of bar front end, coil 5 energisings make screwdriver generation magnetic or make the original magnetic demagnetization of screwdriver.
Described switch 4 be the utmost point to change-over switch module, be provided with switch toggle and three gears: A shelves 41, B shelves 41 and C shelves 43, switch toggle are arranged on handle 1 bottom, and are easy to operate, directly the toggle switch toggle is to the gear that needs.When switch toggle contact A shelves 41 and C shelves 43, the direction that electric current flows through coil 5 is opposite, during switch toggle contact B shelves 42, and coil 5 outages.
The described A shelves 41 other indicator lamp A44 that are provided with, described switch toggle contact A shelves 41, coil 5 energisings produce magnetic field, and indicator lamp A44 lights, and batch bar 2 in the coil 5 produces magnetic.
Described switch toggle contact B shelves 42, coil 5 outages, batch bar 2 magnetic in the coil 5 disappear.
The described C shelves 43 other indicator lamp C45 that are provided with, described switch toggle contact C shelves 43, coil 5 energisings produce magnetic field, and indicator lamp C45 lights, and batch bar 2 in the coil 5 produces the magnetic opposite with the A shelves.
When needs magnetic force helps, just energy change-over switch 4 makes coil electricity produce magnetic field, thereby makes screwdriver bit have magnetic force, when not needing magnetic force, change-over switch 4 makes coil blackout, and magnetic force just can disappear, even the screwdriver bit head is because of the self-produced magnetisation power of permanent use, also can make screwdriver produce the magnetic opposite, correct demagnetization and handle, accomplish freely controlling screwdriver bit magnetic force by sense of current in the change coil with its original magnetic.
Referring to Fig. 1-3, as shown in Figure 4, the controlled screwdriver of a kind of magnetic, comprise handle 1 and batch bar 2, be provided with power supply 3 (adopting two joint dry cells in the present embodiment) and switch 4 in the described handle 1, criticizing bar 2 is conventional screwdriver bar, be the fixing Philip's type screwdriver of screwdriver bit, described batch of bar 2 is provided with coil 5, and this coil 5 connects and composes the closed-loop path with power supply 3 and switch 4, battery is arranged in the handle, the negative pole butt utmost point of battery is to change-over switch module 4, and anodal butt is criticized bar 2 one ends, and coil 5 is the adjustable coil of the number of turns, make its size that can change magnetic field, the coil 5 outer insulated coil sheaths 6 that are with by the number of turns of regulating winding.
Coil electricity or outage, make screwdriver bit produce magnetic or carrying magnetic not, and can be according to sense of current difference on the coil, produce the opposite magnetic field of magnetic, make screwdriver produce magnetic, or by changing sense of current makes screwdriver produce the magnetic opposite with its original magnetic in the coil, carry out demagnetization.
Referring to Fig. 1-4, the anodal butt utmost point of power supply is to change-over switch module, and the negative pole butt is criticized bar one end.Batch bar be conventional screwdriver bar, i.e. the slot type screwdriver fixed of screwdriver bit, and all the other are with embodiment 1.
Claims (9)
1. controlled screwdriver of magnetic, comprise handle (1) and batch bar (2), it is characterized in that, be provided with power supply (3) and switch (4) in the described handle (1), described batch of bar (2) is provided with coil (5), and this coil (5) connects and composes the closed-loop path with power supply (3) and switch (4).
2. the controlled screwdriver of a kind of magnetic according to claim 1, it is characterized in that, described switch (4) be the utmost point to change-over switch module, the B shelves that are provided with the switch toggle and can make electric current flow through coil (5) direction opposite A shelves and C shelves and can make coil (5) outage.
3. the controlled screwdriver of a kind of magnetic according to claim 2 is characterized in that, the other indicator lamp A that is provided with of described A shelves.
4. the controlled screwdriver of a kind of magnetic according to claim 2 is characterized in that, the other indicator lamp C that is provided with of described C shelves.
5. the controlled screwdriver of a kind of magnetic according to claim 2 is characterized in that, described switch toggle is arranged on handle (1) bottom.
6. the controlled screwdriver of a kind of magnetic according to claim 1, it is characterized in that, described power supply (3) is a battery, this battery is arranged in the handle, the negative pole butt utmost point of battery is to change-over switch module (4), anodal butt is criticized bar (2) one ends, and perhaps the anodal butt utmost point of battery is to change-over switch module (4), and the negative pole butt is criticized bar (2) one ends.
7. the controlled screwdriver of a kind of magnetic according to claim 1 is characterized in that, described coil (5) is the adjustable coil of the number of turns, the outer insulated coil sheath (6) that is with of coil (5).
8. the controlled screwdriver of a kind of magnetic according to claim 1 is characterized in that, described batch of bar (2) front end stretches out outside the insulated coil sheath (6).
9. the controlled screwdriver of a kind of magnetic according to claim 1 is characterized in that, described batch of bar (2) front end is the screwdriver of replaceable screwdriver bit or the fixing screwdriver of screwdriver bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206903131U CN202016016U (en) | 2010-12-30 | 2010-12-30 | A magnetic controllable screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206903131U CN202016016U (en) | 2010-12-30 | 2010-12-30 | A magnetic controllable screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202016016U true CN202016016U (en) | 2011-10-26 |
Family
ID=44809693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206903131U Expired - Fee Related CN202016016U (en) | 2010-12-30 | 2010-12-30 | A magnetic controllable screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202016016U (en) |
-
2010
- 2010-12-30 CN CN2010206903131U patent/CN202016016U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20111230 |