CN204935580U - A kind of multifunctional screw driver - Google Patents
A kind of multifunctional screw driver Download PDFInfo
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- CN204935580U CN204935580U CN201520712566.7U CN201520712566U CN204935580U CN 204935580 U CN204935580 U CN 204935580U CN 201520712566 U CN201520712566 U CN 201520712566U CN 204935580 U CN204935580 U CN 204935580U
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
Multifunctional screw driver belongs to for a technical field of tools that is fastening, that connect, dismantle or clamp, particularly relates to a kind of multifunctional screw driver.The utility model provides a kind of multifunctional screw driver easy to carry, easy to use.The utility model comprises straight screwdriver head, connecting mechanism for rotating, luminescent device, touch sheet, change-over switch, shell, voltage test pencil circuit board, key switch, battery and LED, its structural feature luminescent device, touch sheet, key switch are arranged on the side of shell, connecting mechanism for rotating is arranged on the front end of shell, LED is arranged on the rear end of shell, luminescent device, touch sheet are connected with voltage test pencil circuit board, straight screwdriver head is fixed by connecting mechanism for rotating and is connected with voltage test pencil circuit board, and LED is connected with battery by key switch; Described luminescent device is made up of green LED and red light emitting diodes.
Description
Technical field
The utility model belongs to for technical field of tools that is fastening, that connect, dismantle or clamp, particularly relates to a kind of multifunctional screw driver.
Background technology
In present electrician tool, electroscope, screwdriver are all single existence; And, when electric work, cannot Timeliness coverage due to other people operation or environmental change, and fixed charged dangerous spot and the change not having electric point of safes determined before causing work, will increase electric shock probability during electric work like this.Further, when electrician's work on the spot, especially when opposite equipment screwdriver carries out work, black under easily producing lamp.
In addition, the voltage test pencil volume that current people use is comparatively large, and inconvenient people carry under many circumstances, causes people can not find voltage test pencil in time when being badly in need of use voltage test pencil; And function singleness, bring a lot of facility can not to the life of people.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of multifunctional screw driver easy to carry, easy to use.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises straight screwdriver head, connecting mechanism for rotating, luminescent device, touch sheet, change-over switch, shell, voltage test pencil circuit board, key switch, battery and LED, its structural feature luminescent device, touch sheet, key switch is arranged on the side of shell, connecting mechanism for rotating is arranged on the front end of shell, LED is arranged on the rear end of shell, luminescent device, touch sheet is connected with voltage test pencil circuit board, straight screwdriver head is fixed by connecting mechanism for rotating and is connected with voltage test pencil circuit board, LED is connected with battery by key switch, described luminescent device is made up of green LED and red light emitting diodes.
Described voltage test pencil circuit board is provided with test and sensor circuit, and test and sensor circuit are made up of test function circuit and inducing function circuit, are provided with described change-over switch between test function circuit and inducing function circuit, test function electricity routing resistance R1, resistance R2, triode T1, triode T2, green LED forms, and input endpoint A connects straight screwdriver head, one end ground connection of resistance R1, another termination input endpoint A, the one termination input endpoint A of resistance R2, another end points is connected with the contact s2 of change-over switch, by change-over switch, contact s2 is connected with contact b2, the base stage of triode T1 is connected with the contact b2 of change-over switch, the colelctor electrode of triode T1 is connected with the anode of green LED, the emitter stage of triode T1 is connected with the base stage of triode T2, the colelctor electrode of triode T2 is connected with the negative electrode of green LED, the anode of green LED makes contact bl be connected with contact s1 through contact b1 by change-over switch, contact s1 and terminal B are connected with positive source.
Inducing function circuit is made up of induced signal amplification and rectification circuit and inducing function flicker drive circuit, induced signal amplification and rectification circuit is by resistance R1, resistance R2, resistance R3, resistance R4, integrated circuit block IC1, integrated circuit block IC2, electric capacity C1, diode D1 forms, the contact s2 of change-over switch is connected with contact a2, integrated circuit block IC1, integrated circuit block IC2, resistance R3, diode D1, electric capacity Cl connects, resistance R4 is in parallel with resistance R3 and diode D1, the other end of electric capacity C1 is connected to the ground, by integrated circuit block IC1, integrated circuit block IC2 forms signal amplification circuit, diode D1, electric capacity Cl forms signal transformation circuit, inducing function flicker drive circuit is by diode D2, resistance R5, resistance R6, electric capacity C2, integrated circuit block IC3, integrated circuit block IC4 forms oscillator and triode T3 goes driving that red light emitting diodes is glimmered, the negative electrode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D2, integrated circuit block IC3, integrated circuit block IC4, resistance R7, the base stage of triode T3, the colelctor electrode of triode T3, resistance R8, the negative electrode of red light emitting diodes, contact a1 is in series, one end of resistance R5 is connected with the anode of diode D2, the other end of resistance R5 and resistance R6, electric capacity C2 is connected, resistance R6 is in parallel with integrated circuit block IC3 and resistance R5, electric capacity C2 is in parallel with integrated circuit block IC4 and resistance R6, the grounded emitter of triode T3, contact a1 makes contact a1 be connected with contact s1 by change-over switch, contact a1 is connected with positive source by the contact s1 of change-over switch.
As a kind of preferred version, connecting mechanism for rotating described in the utility model comprises fixation kit and runner assembly, and this fixation kit comprises fixture and spacer, and this spacer is fixed on this fixture, this spacer is provided with the first keeper, and this fixture periphery is provided with the first locating part; This runner assembly can be arranged on this fixation kit rotationally, and this runner assembly comprises tumbler and turning cylinder, and this turning cylinder is fixed on this tumbler, and this turning cylinder can wear this fixture and this spacer rotationally; This tumbler comprises main body and the second locating part, and this second locating part is arranged on the periphery of this main body, and this second locating part and this first locating part are connected and are arranged on this runner assembly by this fixation kit; This main body is provided with the second keeper, and this second keeper and this first keeper are connected and locate the rotational angle of this fixation kit and this runner assembly; Described turning cylinder is connected with described straight screwdriver head, and described fixture is connected with described shell.
As another kind of preferred version, fixture described in the utility model comprises binding end and installation end, this binding end and this installation end are positioned at the opposing both sides of this fixture, this binding end offers groove, this spacer is placed in this groove, the periphery of this groove inner wall is provided with the first rotation preventing device, and this spacer outer peripheral edge is provided with the second rotation preventing device, and this second rotation preventing device and this first rotation preventing device are connected.
The utility model beneficial effect.
When the utility model uses, if use screwdriver function, then straight screwdriver head can be screwed out, after using, cutter head be screwed in.If use test pencil function, then screwed out by cutter head, make insert contacts testee, user touches touch sheet with hand.
The utility model test and sensor circuit are made up of test function circuit and inducing function circuit, are realized the switching of test function circuit and inducing function circuit by change-over switch.When being switched to test function, directly can test phase line and the change of AC power, and the break-make of the devices such as wire, filament, switch, inductance coil, interface unit, plug connector, miniature transformer can be judged, also can measure the unilateral conduction of crystal diode and triode.When being switched to inducing function circuit, supply socket can be induced under non-contact condition, whether power line and other electrical equipment are connected with power supply etc., as whether the induction electric wire being embedded within the walls or being through in PVC plastic pipe is energized, and when not stripping of insulatin layer, can judge that wire is live wire or zero line.
If the utility model uses illumination functions, then push button switch, and LED is luminous.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model voltage test pencil board circuit schematic diagram.
Fig. 3 is the utility model connecting mechanism for rotating schematic diagram.
In figure, 1 be straight screwdriver head, 2 be spacer, 3 be connecting mechanism for rotating, 4 be luminescent device, 5 be touch sheet, 6 be change-over switch, 7 be shell, 8 be voltage test pencil circuit board, 9 be key switch, 10 be battery, 11 be runner assembly, 15 be turning cylinder, 16 be binding end, 17 be installation end for LED, 12 to be the first locating part, 13 be the second keeper, 14.
Detailed description of the invention
As shown in the figure, the utility model comprises straight screwdriver head 1, connecting mechanism for rotating 3, luminescent device 4, touch sheet 5, change-over switch 6, shell 7, voltage test pencil circuit board 8, key switch 9, battery 10 and LED 11, luminescent device 4, touch sheet 5, key switch 9 is arranged on the side of shell 7, connecting mechanism for rotating 3 is arranged on the front end of shell 7, LED 11 is arranged on the rear end of shell 7, luminescent device 4, touch sheet 5 is connected with voltage test pencil circuit board 8, straight screwdriver head 1 is fixed by connecting mechanism for rotating 3 and is connected with voltage test pencil circuit board 8, LED 11 is connected with battery 10 by key switch 9, described luminescent device 4 is made up of green LED and red light emitting diodes.
Described voltage test pencil circuit board 8 is provided with test and sensor circuit, and test and sensor circuit are made up of test function circuit and inducing function circuit, are provided with described change-over switch 6 between test function circuit and inducing function circuit, test function electricity routing resistance R1, resistance R2, triode T1, triode T2, green LED forms, and input endpoint A connects straight screwdriver head 1, one end ground connection of resistance R1, another termination input endpoint A, the one termination input endpoint A of resistance R2, another end points is connected with the contact s2 of change-over switch 6, by change-over switch 6, contact s2 is connected with contact b2, the base stage of triode T1 is connected with the contact b2 of change-over switch 6, the colelctor electrode of triode T1 is connected with the anode of green LED, the emitter stage of triode T1 is connected with the base stage of triode T2, the colelctor electrode of triode T2 is connected with the negative electrode of green LED, the anode of green LED makes contact bl be connected with contact s1 through contact b1 by change-over switch 6, contact s1 and terminal B are connected with positive source.
Inducing function circuit is made up of induced signal amplification and rectification circuit and inducing function flicker drive circuit, induced signal amplification and rectification circuit is by resistance R1, resistance R2, resistance R3, resistance R4, integrated circuit block IC1, integrated circuit block IC2, electric capacity C1, diode D1 forms, the contact s2 of change-over switch 6 is connected with contact a2, integrated circuit block IC1, integrated circuit block IC2, resistance R3, diode D1, electric capacity Cl connects, resistance R4 is in parallel with resistance R3 and diode D1, the other end of electric capacity C1 is connected to the ground, by integrated circuit block IC1, integrated circuit block IC2 forms signal amplification circuit, diode D1, electric capacity Cl forms signal transformation circuit, inducing function flicker drive circuit is by diode D2, resistance R5, resistance R6, electric capacity C2, integrated circuit block IC3, integrated circuit block IC4 forms oscillator and triode T3 goes driving that red light emitting diodes is glimmered, the negative electrode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D2, integrated circuit block IC3, integrated circuit block IC4, resistance R7, the base stage of triode T3, the colelctor electrode of triode T3, resistance R8, the negative electrode of red light emitting diodes, contact a1 is in series, one end of resistance R5 is connected with the anode of diode D2, the other end of resistance R5 and resistance R6, electric capacity C2 is connected, resistance R6 is in parallel with integrated circuit block IC3 and resistance R5, electric capacity C2 is in parallel with integrated circuit block IC4 and resistance R6, the grounded emitter of triode T3, contact a1 makes contact a1 be connected with contact s1 by change-over switch 6, contact a1 is connected with positive source by the contact s1 of change-over switch 6.
For test function circuit: when terminal A inspected object is positively charged, the base stage electrification position of triode T1 constantly raises, thus makes triode T1 conducting, and green LED is luminous.
For inducing function circuit: change-over switch 6 makes contact s1 be connected with contact a1, and contact s2 is connected with contact a2, form electronic induction functional circuit.Available hand contact straight screwdriver head 1, another hand finger touches touch sheet 5, bright without green glow, is sense state.
Described integrated circuit block IC1, integrated circuit block IC2, integrated circuit block IC3, integrated circuit block IC4 can adopt TL74HG14D chip.
Described connecting mechanism for rotating 3 comprises fixation kit and runner assembly 14, and this fixation kit comprises fixture and spacer 2, and this spacer 2 is fixed on this fixture, and this spacer 2 is provided with the first keeper, and this fixture periphery is provided with the first locating part 12; This runner assembly 14 can be arranged on this fixation kit rotationally, and this runner assembly 14 comprises tumbler and turning cylinder 15, and this turning cylinder 15 is fixed on this tumbler, and this turning cylinder 15 can wear this fixture and this spacer 2 rotationally; This tumbler comprises main body and the second locating part, and this second locating part is arranged on the periphery of this main body, and this second locating part and this first locating part 12 are connected and are arranged on this runner assembly 14 by this fixation kit; This main body is provided with the second keeper 13, and this second keeper 13 is connected with this first keeper and locates the rotational angle of this fixation kit and this runner assembly 14; Described turning cylinder 15 is connected with described straight screwdriver head 1, and described fixture is connected with described shell 7.The utility model connecting mechanism for rotating 3 volume is little, assembling is simple, cost is low.
Described fixture comprises binding end 16 and installation end 17, this binding end 16 is positioned at the opposing both sides of this fixture with this installation end 17, this binding end 16 offers groove, this spacer 2 is placed in this groove, the periphery of this groove inner wall is provided with the first rotation preventing device, this spacer 2 outer peripheral edge is provided with the second rotation preventing device, and this second rotation preventing device and this first rotation preventing device are connected.Be convenient to fix with shell 7 by installation end 17.First rotation preventing device and the second rotation preventing device are set, spacer 2 and the relative rotation between fixture can be prevented.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection domain of the present utility model as long as meet.
Claims (3)
1. a multifunctional screw driver, comprise straight screwdriver head, connecting mechanism for rotating, luminescent device, touch sheet, change-over switch, shell, voltage test pencil circuit board, key switch, battery and LED, it is characterized in that luminescent device, touch sheet, key switch is arranged on the side of shell, connecting mechanism for rotating is arranged on the front end of shell, LED is arranged on the rear end of shell, luminescent device, touch sheet is connected with voltage test pencil circuit board, straight screwdriver head is fixed by connecting mechanism for rotating and is connected with voltage test pencil circuit board, LED is connected with battery by key switch, described luminescent device is made up of green LED and red light emitting diodes,
Described voltage test pencil circuit board is provided with test and sensor circuit, and test and sensor circuit are made up of test function circuit and inducing function circuit, are provided with described change-over switch between test function circuit and inducing function circuit, test function electricity routing resistance R1, resistance R2, triode T1, triode T2, green LED forms, and input endpoint A connects straight screwdriver head, one end ground connection of resistance R1, another termination input endpoint A, the one termination input endpoint A of resistance R2, another end points is connected with the contact s2 of change-over switch, by change-over switch, contact s2 is connected with contact b2, the base stage of triode T1 is connected with the contact b2 of change-over switch, the colelctor electrode of triode T1 is connected with the anode of green LED, the emitter stage of triode T1 is connected with the base stage of triode T2, the colelctor electrode of triode T2 is connected with the negative electrode of green LED, the anode of green LED makes contact bl be connected with contact s1 through contact b1 by change-over switch, contact s1 and terminal B are connected with positive source,
Inducing function circuit is made up of induced signal amplification and rectification circuit and inducing function flicker drive circuit, induced signal amplification and rectification circuit is by resistance R1, resistance R2, resistance R3, resistance R4, integrated circuit block IC1, integrated circuit block IC2, electric capacity C1, diode D1 forms, the contact s2 of change-over switch is connected with contact a2, integrated circuit block IC1, integrated circuit block IC2, resistance R3, diode D1, electric capacity Cl connects, resistance R4 is in parallel with resistance R3 and diode D1, the other end of electric capacity C1 is connected to the ground, by integrated circuit block IC1, integrated circuit block IC2 forms signal amplification circuit, diode D1, electric capacity Cl forms signal transformation circuit, inducing function flicker drive circuit is by diode D2, resistance R5, resistance R6, electric capacity C2, integrated circuit block IC3, integrated circuit block IC4 forms oscillator and triode T3 goes driving that red light emitting diodes is glimmered, the negative electrode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D2, integrated circuit block IC3, integrated circuit block IC4, resistance R7, the base stage of triode T3, the colelctor electrode of triode T3, resistance R8, the negative electrode of red light emitting diodes, contact a1 is in series, one end of resistance R5 is connected with the anode of diode D2, the other end of resistance R5 and resistance R6, electric capacity C2 is connected, resistance R6 is in parallel with integrated circuit block IC3 and resistance R5, electric capacity C2 is in parallel with integrated circuit block IC4 and resistance R6, the grounded emitter of triode T3, contact a1 makes contact a1 be connected with contact s1 by change-over switch, contact a1 is connected with positive source by the contact s1 of change-over switch.
2. a kind of multifunctional screw driver according to claim 1, it is characterized in that described connecting mechanism for rotating comprises fixation kit and runner assembly, this fixation kit comprises fixture and spacer, this spacer is fixed on this fixture, this spacer is provided with the first keeper, and this fixture periphery is provided with the first locating part; This runner assembly can be arranged on this fixation kit rotationally, and this runner assembly comprises tumbler and turning cylinder, and this turning cylinder is fixed on this tumbler, and this turning cylinder can wear this fixture and this spacer rotationally; This tumbler comprises main body and the second locating part, and this second locating part is arranged on the periphery of this main body, and this second locating part and this first locating part are connected and are arranged on this runner assembly by this fixation kit; This main body is provided with the second keeper, and this second keeper and this first keeper are connected and locate the rotational angle of this fixation kit and this runner assembly; Described turning cylinder is connected with described straight screwdriver head, and described fixture is connected with described shell.
3. a kind of multifunctional screw driver according to claim 2, it is characterized in that described fixture comprises binding end and installation end, this binding end and this installation end are positioned at the opposing both sides of this fixture, this binding end offers groove, this spacer is placed in this groove, the periphery of this groove inner wall is provided with the first rotation preventing device, and this spacer outer peripheral edge is provided with the second rotation preventing device, and this second rotation preventing device and this first rotation preventing device are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712566.7U CN204935580U (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712566.7U CN204935580U (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional screw driver |
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| Publication Number | Publication Date |
|---|---|
| CN204935580U true CN204935580U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712566.7U Active CN204935580U (en) | 2015-09-15 | 2015-09-15 | A kind of multifunctional screw driver |
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| Country | Link |
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| CN (1) | CN204935580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932555A (en) * | 2019-03-16 | 2019-06-25 | 吴佳璇 | It is a kind of for measuring the testing tool of electromagnetic valve coil working condition |
-
2015
- 2015-09-15 CN CN201520712566.7U patent/CN204935580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932555A (en) * | 2019-03-16 | 2019-06-25 | 吴佳璇 | It is a kind of for measuring the testing tool of electromagnetic valve coil working condition |
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