CN104339297B - Self power generation ratchet screw driver - Google Patents
Self power generation ratchet screw driver Download PDFInfo
- Publication number
- CN104339297B CN104339297B CN201310313933.1A CN201310313933A CN104339297B CN 104339297 B CN104339297 B CN 104339297B CN 201310313933 A CN201310313933 A CN 201310313933A CN 104339297 B CN104339297 B CN 104339297B
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- CN
- China
- Prior art keywords
- ratchet
- screw driver
- power generation
- self power
- closing coil
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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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of self power generation ratchet screw driver, comprise housing, be located at the back shaft in housing, be installed in rotation on the ratchet on described back shaft, be fixed on the actuator on described back shaft, be located at the output shaft in housing, wherein said actuator is fixedly connected with the ratchet coordinating to drive described pawl wheel with described ratchet, transmission system is provided with between described ratchet and described output shaft, described self power generation ratchet screw driver also comprises electrification component and power-using body, the magnetic part that described electrification component comprises the produced magnetic field be fixed on described ratchet and the closing coil be fixed in described housing, described power-using body is connected with described closing coil, described magnetic part and closing coil relative motion is driven during described ratcheting motion, closing coil is made to cut the magnetic line of force that produces of magnetic part and generation current.Drive magnet movement by pawl wheel, make closing coil generation current, thus can power to power-using body, do not rely on external power supply.
Description
Technical field
The present invention relates to a kind of power tool, particularly relate to a kind of self power generation ratchet screw driver.
Background technology
Current battery type ratchet screw driver is all charged to battery by charger, realizes the supply of electricity.There is number of drawbacks in this mode: relies on charger, do not have charger just cannot charge; Charger charges length consuming time, adds the stand-by period of user; Not energy-conserving and environment-protective.
Summary of the invention
Based on this, be necessary to provide a kind of self power generation ratchet screw driver with spontaneous electrical function.
A kind of self power generation ratchet screw driver, comprise housing, be located at the back shaft in housing, be installed in rotation on the ratchet on described back shaft, be fixed on the actuator on described back shaft, be located at the output shaft in housing, wherein said actuator is fixedly connected with the ratchet coordinating to drive described pawl wheel with described ratchet, transmission system is provided with between described ratchet and described output shaft, described self power generation ratchet screw driver also comprises electrification component and power-using body, the magnetic part that described electrification component comprises the produced magnetic field be fixed on described ratchet and the closing coil be fixed in described housing, described power-using body is connected with described closing coil, described magnetic part and closing coil relative motion is driven during described ratcheting motion, closing coil is made to cut the magnetic line of force that produces of magnetic part and generation current.
Wherein in an embodiment, described magnetic part comprises and spacedly somely encloses block, and described closing coil is positioned at described some spaces of enclosing block and being formed.
Wherein in an embodiment, described ratchet is formed with a spatial accommodation, and described magnetic part and closing coil are all positioned at described spatial accommodation.
Wherein in an embodiment, described ratchet has handle ratchet wheel groove, and the ratchet on described actuator and described handle ratchet wheel slot fit are to drive described pawl wheel.
Wherein in an embodiment, described transmission system is: ratchet is provided with external toothing, described self power generation ratchet screw driver also comprises the first jackshaft being fixed with the first travelling gear and drive bevel gear, the second jackshaft being fixed with driven wheel of differential and the second travelling gear, described output shaft is fixed with output gear, wherein, described first travelling gear matches with described external toothing, described drive bevel gear matches with described driven wheel of differential, and described output gear matches with described second travelling gear.
Wherein in an embodiment, described transmission system is: described ratchet is provided with outer cone gear ring, described self power generation ratchet screw driver also comprises the second jackshaft being fixed with driven wheel of differential and the second travelling gear, described output shaft is fixed with output gear, wherein, described driven wheel of differential matches with described outer cone gear ring, and described output gear matches with described second travelling gear.
Wherein in an embodiment, described power-using body is motor, described electrification component is also provided with can the energy storage device of store electrical energy, described energy storage device is connected with described closing coil, and described energy storage device is connected with described motor, described self power generation ratchet screw driver also comprises the driving shaft be connected with the output shaft of described motor, and described driving shaft is fixed with the 3rd driven wheel that can coordinate with described output gear, wherein said output shaft can axially movably be arranged in described housing.
Wherein in an embodiment, described power-using body is illuminating lamp.
Wherein in an embodiment, described actuator is gear, and described ratchet screw driver also comprises the tooth bar coordinated with described actuator.
Wherein in an embodiment, described tooth bar is connected with button.
Wherein in an embodiment, described ratchet screw driver also comprises the elastic component be arranged between described button and described housing, and described elastic component is connected with described button and/or housing.
Above-mentioned self power generation ratchet screw driver, drives magnet movement by pawl wheel, makes closing coil generation current, thus can power to power-using body, does not rely on external power supply.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of ratchet screw driver, and button is in non-pressed state;
Fig. 2 is for ratchet screw driver shown in Fig. 1 is along the partial schematic sectional view of A-A line;
Fig. 3 is for ratchet screw driver shown in Fig. 1 is along the partial schematic sectional view of B-B line;
Fig. 4 is the cross-sectional schematic of ratchet screw driver, and button is in pressed state.
Related elements reference numeral in figure is as follows:
110, housing 120, back shaft 130, ratchet
132, handle ratchet wheel groove 134, external toothing 136, spatial accommodation
140, driven wheel 142, ratchet 150, output shaft
152, output gear 154, working end 156, endoporus
160, the first jackshaft 162, first travelling gear 164, drive bevel gear
170, the second jackshaft 172, driven wheel of differential 174, second travelling gear
192, magnetic part 1922, enclose block 194, closing coil
196, energy storage device 200, power-using body 210, motor drive shaft
220, driving shaft 222, the 3rd travelling gear 230, reduction box
250, tooth bar 252, button 260, elastic component
Detailed description of the invention
The design of the self power generation ratchet screw driver of the present embodiment is: during manual operation, drives magnetic part to rotate, thus generation current in closing coil is powered to power-using body, thus do not rely on external power source by the rotation of ratchet.Below in conjunction with accompanying drawing, the better embodiment of self power generation ratchet screw driver is described.
Please refer to Fig. 1, a kind of self power generation ratchet screw driver, comprises housing 110(and only illustrates part), the back shaft 120 be positioned in housing 110, the ratchet 130 be installed in rotation on back shaft 120, the driven wheel 140 be fixed on back shaft 120, the output shaft 150 be positioned in housing 110.Driven wheel 140 is used for driving ratchet 130 to rotate, by transmission system transmission between ratchet 130 and output shaft 150.When driven wheel 140 rotates, drive ratchet 130 rotates by driven wheel 140, and ratchet 130 drives output shaft 150 to rotate, and then function is tightened/loosened the screw a little in execution.
Please refer to Fig. 1, and combine with reference to figure 3, ratchet 130 is provided with handle ratchet wheel groove 132 and external toothing 134.Driven wheel 140 is fixedly connected with the ratchet 142 matched with handle ratchet wheel groove 132.Ratchet screw driver is matched with handle ratchet wheel groove 132 by ratchet 142, realizes ratchet 130 one-directional rotation, and this kind of ratchet driving principle is known for those skilled in the art, repeats no more herein.In the present embodiment, ratchet 142 is provided with two places and axisymmetrical about driven wheel 140 is arranged, and makes ratchet 130 uniform force.
Still please refer to Fig. 1, be provided with in housing 110 on first jackshaft 160, first jackshaft 160 and be fixed with the first travelling gear 162 and drive bevel gear 164.Also be provided with in housing 110 on second jackshaft 170, second jackshaft 170 and be fixed with driven wheel of differential 172 and the second travelling gear 174.One end of output shaft 150 is fixed with output gear 152, and the other end is the working end 154 for tightening/loosening the screw a little.The first travelling gear 162 on first jackshaft 160 matches with external toothing 134, and the drive bevel gear 164 on the first jackshaft 160 coordinates with driven wheel of differential 172, and the second travelling gear 174 coordinates with output gear 152 again.Like this, external toothing 134, first travelling gear 162, drive bevel gear 164, driven wheel of differential 172, second travelling gear 174 and output gear 152 just constitute the cone tooth transmission system between ratchet 130 and output shaft 150.The rotation of ratchet 130 is converted to the rotation of output shaft 150 by this cone tooth system, makes the working end 154 of output shaft 150 can carry out tightening/loosen the screw a little work.
It may be noted that the first jackshaft 160 and on the first travelling gear 162 and drive bevel gear 164 also can save.Now, what ratchet 130 was arranged is outer cone gear ring, this outer cone gear ring directly matches with the driven wheel of differential 172 on the second jackshaft 170, constitutes the cone tooth system between ratchet 130 and output shaft 150 equally, makes the rotation of ratchet 130 can be converted to the rotation of output shaft 150.
In the present embodiment, the working end 154 of output shaft 150 offers endoporus 156 that is square or six distortion, perform with the head being enclosed within screw and tighten/loosen work.Meanwhile, endoporus 156 can also join the driver bit annex of slotting all size, expands the range of application of ratchet screw driver thus.It may be noted that the circumference profile of working end 154 can also be set as square or six distortion, to be socketed sleeve, and then connect with driver bit.
Still please refer to Fig. 1, the power-using body 200 being also provided with electrification component in housing 110 and being connected with electrification component.Electrification component comprises magnetic part 192, the closing coil 194 and can the energy storage device 196 of store electrical energy that can produce magnetic field.Magnetic part 192 is fixed on ratchet 130, and closing coil 194 is fixed in housing 110, and closing coil 194 is connected with energy storage device 196, and energy storage device 196 is connected with power-using body 200 again.Magnetic part 192 is driven to rotate when ratchet 130 rotates, the magnetic line of force that magnetic part 192 and closing coil 194 relative motion make closing coil 194 cut magnetic part 192 to produce, closing coil 194 generation current be stored in energy storage device 196 thus, supplies power-using body 200 by energy storage device 196.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, magnetic part 192 comprises spaced two and encloses block 1922, and closing coil 194 is positioned at two spaces of enclosing block 1922 and being formed.In addition, ratchet 130 is formed with a spatial accommodation 136, and magnetic part 192 and closing coil 194 are all arranged in spatial accommodation 136, can make ratchet screw driver compact conformation.Please refer to Fig. 2, two are enclosed block 1922 when rotating along the direction of arrow in the figure, and closing coil 194 is by cutting magnetic line and produce electric energy.
Power-using body 200 can be illuminating lamp, and can directly be connected with closing coil 194.Power-using body 200 can be arranged on the correct position outside housing 100, in order to illumination, makes ratchet screw driver also be applicable to the operation in dark place.
In the present embodiment, power-using body 200 is motor, and in housing 110, being also provided with the driving shaft 220 be connected with the motor drive shaft 210 of motor, driving shaft 220 is fixed with the 3rd travelling gear 222 that can coordinate with output gear 152, output shaft 150 can axially movably be arranged in housing 110 in such cases.By reduction box 230 transmission between driving shaft 210 and motor.So, the self power generation ratchet screw of the present embodiment possesses electronic and manual two kinds of mode of operations, hereafter will describe in detail.
Please refer to Fig. 1, the second travelling gear 174 on the second jackshaft 170 engages with the output gear 152 on output shaft 150, and when ratchet 130 rotates under the drive of driven wheel 140, output shaft 150 rotates thereupon, is now in manual mode.Please refer to Fig. 1 and Fig. 4, stop manual operation, output shaft 150 moves along X axis and output gear 152 is departed from the second travelling gear 174 engage, and output gear 152 coordinates with the 3rd travelling gear 222, now, the electric energy stored in energy storage device 196 makes revolution, and then driver output axle 150 rotates, and namely enters electric model.From describing above, the electric energy in energy storage device 196 comes from the electric energy that closing coil 194 cutting magnetic line produces, and can realize charging, do not need external charger in During manual operation, therefore user does not need wait namely to can be exchanged into electric model.
In the present embodiment, be manual mode when ratchet 130 rotates and then drives output shaft 150 to rotate under the drive of driven wheel 140.Manual mode has two kinds of implementations at least, one is make driven wheel 140 rotate to drive ratchet 130 to rotate by the rotation of wrist, and then output shaft 150 is rotated, now driven wheel 140 also can be the common actuator with ratchet 142, rotate as long as can rotate and stir ratchet 130, namely without the need to being gear; Two is drive driven wheel 140 to rotate by the translational motion of tooth bar, and then realizes the rotation of output shaft 150.The second way will be introduced below.
Please refer to Fig. 1, ratchet screw driver also comprises the tooth bar 250 coordinated with driven wheel 140.One end of tooth bar 250 is connected with button 252.Elastic component 260 is also provided with between button 252 and housing 110.The course of work of bottom ratchet wheel screwdriver is introduced below in conjunction with accompanying drawing.
When finger presses button 252 along direction shown in arrow X in Fig. 1, tooth bar 250 is stressed to move in X direction, tooth bar 250 engages with driven wheel 140, driven wheel 140 rotates, ratchet 142 coordinates with handle ratchet wheel groove 132 and stirs ratchet 130 and rotates, the external toothing 134 of ratchet 130 engages with the first travelling gear 162 on the first jackshaft 160, first travelling gear 162 drives drive bevel gear 164 to rotate, drive bevel gear 164 engages with driven wheel of differential 172, driven wheel of differential 172 rotates and drives the second travelling gear 174 to rotate, second travelling gear 174 makes output shaft 150 rotate by output gear 152.In said process, elastic component 260 is constantly compressed, therefore after tooth bar 250 moves to extreme position, release button 252, button 252 is by elastic component 260 elastic force effect resilience, and move along the direction contrary with X-direction with carry-over bar 250, driven wheel 140 rotates backward thereupon, and drives on it two ratchets 142 to rotate together.In driven wheel 140 counter rotation, although ratchet 142 acts on ratchet 130, according to the principle of ratchet mechanism, ratchet 130 can't rotate with ratchet 142, and this point repeats no more.Due to the existence of elastic component 260, operator does not need manually tooth bar 250 to be retracted original position, can realize the fast automatic return of tooth bar 250 and button 252, to carry out next operation.So, by finger pressing/release-push 252 repeatedly, output shaft 150 is finally made to realize the function of single direction rotation.Need point out, certainly can directly pull tooth bar 250 to carry out work back and forth with hand, not need wrist to carry out back rotation equally, the benefit arranging button 252 be that being convenient to finger presses repeatedly, and the operating space of needs is less.
Elastic component 260 is spring, also can be shell fragment or rubber blanket or other there is the element of elastic reaction.The set-up mode of elastic component 260 can have multiple.Elastic component 260 is connected with button 252 and/or housing 110, namely can be that elastic component 260 is connected with housing 110 with button 252 simultaneously, or only be connected with one of them element, as long as during work, elastic component 260 can apply elastic force in button 252.
In During manual operation, magnetic part 192 is followed ratchet 130 and is rotated, therefore closing coil 194 produces electrical energy for storage in energy storage device 196, does not therefore need external charger can realize charging.
Please refer to Fig. 4, after stopping manual operation, the output gear 152 of output shaft 150 coordinates with the 3rd travelling gear 222, and the electric energy stored in energy storage device 196 makes revolution, and then driver output axle 150 rotates, and namely enters electric model.After stopping electric model, output shaft 150 is moved, to reenter manual mode along Y-direction in Fig. 4.
To sum up, the self power generation ratchet screw driver of the present embodiment, does not need wrist rotation during manual operation, only need finger pressing/release-push 252 repeatedly, can carry out tightening/loosen the screw a little function, thorough liberation wrist, easy to operate, can not cause discomfort.In addition, the self power generation ratchet screw driver of the present embodiment, the electric energy of electric model is obtained, without the need to charging by external power supply by the generating of self-contained electrification component in During manual operation.User switches fast between two kinds of patterns, does not need to wait for.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. a self power generation ratchet screw driver, it is characterized in that, comprise housing, be located at the back shaft in housing, be installed in rotation on the ratchet on described back shaft, be fixed on the actuator on described back shaft, be located at the output shaft in housing, wherein said actuator is fixedly connected with the ratchet coordinating to drive described pawl wheel with described ratchet, transmission system is provided with between described ratchet and described output shaft, described self power generation ratchet screw driver also comprises electrification component and power-using body, the magnetic part that described electrification component comprises the produced magnetic field be fixed on described ratchet and the closing coil be fixed in described housing, described power-using body is connected with described closing coil, described magnetic part and closing coil relative motion is driven during described ratcheting motion, closing coil is made to cut the magnetic line of force that produces of magnetic part and generation current.
2. self power generation ratchet screw driver according to claim 1, is characterized in that, described magnetic part comprises and spacedly somely encloses block, and described closing coil is positioned at described some spaces of enclosing block and being formed.
3. self power generation ratchet screw driver according to claim 1, is characterized in that, described ratchet is formed with a spatial accommodation, and described magnetic part and closing coil are all positioned at described spatial accommodation.
4. self power generation ratchet screw driver according to claim 1, is characterized in that, described ratchet has handle ratchet wheel groove, and the ratchet on described actuator and described handle ratchet wheel slot fit are to drive described pawl wheel.
5. self power generation ratchet screw driver according to claim 1, it is characterized in that, described transmission system is: ratchet is provided with external toothing, described self power generation ratchet screw driver also comprises the first jackshaft being fixed with the first travelling gear and drive bevel gear, the second jackshaft being fixed with driven wheel of differential and the second travelling gear, described output shaft is fixed with output gear, wherein, described first travelling gear matches with described external toothing, described drive bevel gear matches with described driven wheel of differential, and described output gear matches with described second travelling gear.
6. self power generation ratchet screw driver according to claim 1, it is characterized in that, described transmission system is: described ratchet is provided with outer cone gear ring, described self power generation ratchet screw driver also comprises the second jackshaft being fixed with driven wheel of differential and the second travelling gear, described output shaft is fixed with output gear, wherein, described driven wheel of differential matches with described outer cone gear ring, and described output gear matches with described second travelling gear.
7. the self power generation ratchet screw driver according to claim 5 or 6, it is characterized in that, described power-using body is motor, described electrification component is also provided with can the energy storage device of store electrical energy, described energy storage device is connected with described closing coil, and described energy storage device is connected with described motor, described self power generation ratchet screw driver also comprises the driving shaft be connected with the output shaft of described motor, described driving shaft is fixed with the 3rd driven wheel that can coordinate with described output gear, wherein said output shaft can axially movably be arranged in described housing.
8. self power generation ratchet screw driver according to claim 1, is characterized in that, described power-using body is illuminating lamp.
9. self power generation ratchet screw driver according to claim 1, is characterized in that, described actuator is gear, and described ratchet screw driver also comprises the tooth bar coordinated with described actuator.
10. self power generation ratchet screw driver according to claim 9, is characterized in that, described tooth bar is connected with button.
11. self power generation ratchet screw drivers according to claim 10, it is characterized in that, described ratchet screw driver also comprises the elastic component be arranged between described button and described housing, and described elastic component is connected with described button and/or housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313933.1A CN104339297B (en) | 2013-07-24 | 2013-07-24 | Self power generation ratchet screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313933.1A CN104339297B (en) | 2013-07-24 | 2013-07-24 | Self power generation ratchet screw driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104339297A CN104339297A (en) | 2015-02-11 |
| CN104339297B true CN104339297B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310313933.1A Active CN104339297B (en) | 2013-07-24 | 2013-07-24 | Self power generation ratchet screw driver |
Country Status (1)
| Country | Link |
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| CN (1) | CN104339297B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115388140B (en) * | 2022-09-13 | 2023-05-09 | 天津第一机床有限公司 | Ratchet pawl feeding mechanism with accurate tooth shifting structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334991Y (en) * | 1998-05-15 | 1999-08-25 | 陈江招 | self-powered flashlight |
| CN102201724A (en) * | 2010-02-22 | 2011-09-28 | 罗伯特·博世有限公司 | Machine tool with an electrical generator for passive power generation |
| CN202045606U (en) * | 2010-12-29 | 2011-11-23 | 上海赛拓五金工具有限公司 | Ratchet wheel screwdriver capable of generating power by self |
| CN202079544U (en) * | 2011-01-19 | 2011-12-21 | 李建龙 | Self-charging lighting screwdriver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5003223B2 (en) * | 2007-03-16 | 2012-08-15 | 日立工機株式会社 | Electric tool |
| US20120111137A1 (en) * | 2007-06-12 | 2012-05-10 | Vectrix International Limited | Vehicle With Contactless Throttle |
-
2013
- 2013-07-24 CN CN201310313933.1A patent/CN104339297B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334991Y (en) * | 1998-05-15 | 1999-08-25 | 陈江招 | self-powered flashlight |
| CN102201724A (en) * | 2010-02-22 | 2011-09-28 | 罗伯特·博世有限公司 | Machine tool with an electrical generator for passive power generation |
| CN202045606U (en) * | 2010-12-29 | 2011-11-23 | 上海赛拓五金工具有限公司 | Ratchet wheel screwdriver capable of generating power by self |
| CN202079544U (en) * | 2011-01-19 | 2011-12-21 | 李建龙 | Self-charging lighting screwdriver |
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| Publication number | Publication date |
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| CN104339297A (en) | 2015-02-11 |
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