CN110757389A - Spiral power spring energy storage screwdriver - Google Patents
Spiral power spring energy storage screwdriver Download PDFInfo
- Publication number
- CN110757389A CN110757389A CN201911082329.6A CN201911082329A CN110757389A CN 110757389 A CN110757389 A CN 110757389A CN 201911082329 A CN201911082329 A CN 201911082329A CN 110757389 A CN110757389 A CN 110757389A
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- transmission shaft
- wheel
- upper wheel
- shell
- screwdriver
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- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 238000005381 potential energy Methods 0.000 description 20
- 238000000926 separation method Methods 0.000 description 15
- 230000000903 blocking effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- 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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- 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
- B25B15/00—Screwdrivers
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention belongs to the field of screwdrivers, and particularly relates to a spiral power spring energy storage screwdriver. The problem of among the prior art screwdriver twist screw time-consuming and energy-consuming, can not twist in succession the screw nail is solved. The technical scheme of the invention is as follows: the novel spiral spring comprises a shell (1), a cutter bar (2) and a spiral spring (6), wherein the inner end part of the spiral spring (6) is fixedly connected with a transmission shaft (5), one end of the transmission shaft (5) is connected with the cutter bar (2), the other end of the transmission shaft (5) is connected with a knob (7), and the outer end part of the spiral spring (6) is fixedly connected with the shell (1). The invention can realize the continuous rotation of the cutter bar through the coil spring, does not need a user to return the hand, does not need to align again, saves labor and time, and is suitable for screwing or unscrewing various screws.
Description
Technical Field
The invention belongs to the field of screwdrivers, and particularly relates to a spiral power spring energy storage screwdriver.
Background
The screwdriver is a common screw fastening tool and is frequently used during installation and maintenance. As a common hardware tool, the screwdriver brings great convenience to life and work of people, saves labor cost and improves labor efficiency.
When using a conventional screwdriver, one hand is typically used to apply pressure and torque simultaneously, or two hands are used for operation, one hand applying pressure and the other hand applying torque. The pressure ensures the contact between the screwdriver and the screwdriver head, and the torsional force finishes the fastening or the unscrewing of the screwdriver.
However, the conventional screw tightening method has some defects, and when one hand is used for applying pressure and twisting force at the same time, a user needs to detach the screwdriver from the screw after rotating a certain angle, return the hand, align the screwdriver with the screw again, and take time and labor for realignment. The use of two hands avoids realignment problems, but people often need to take tools or other parts with one hand and do not have both hands free while performing repairs. And the conventional screwing method cannot continuously screw the screw.
Disclosure of Invention
The invention provides a spiral spring energy storage screwdriver, aiming at the problems that the screwdriver in the prior art wastes time and labor when screwing a screw and cannot continuously screw the screw, and the invention provides a spiral spring energy storage screwdriver which aims to solve the problems that: the continuous screwing of the screw nail is realized, and the labor and the time are saved.
The technical scheme adopted by the invention is as follows:
a spiral spring energy storage screwdriver comprises a shell, a screwdriver rod and a spiral spring, wherein a transmission shaft is fixedly connected to the inner end portion of the spiral spring, one end of the transmission shaft is connected with the screwdriver rod, the other end of the transmission shaft is connected with a knob, and the outer end portion of the spiral spring is fixedly connected with the shell.
After the technical scheme is adopted, the knob is rotated to drive the transmission shaft to rotate, the transmission shaft rotates to enable the coil spring to deform, elastic potential energy is accumulated, when the elastic potential energy is accumulated to a certain degree, the screwdriver is aligned to the screw and the knob is loosened, the elastic potential energy of the coil spring is released to drive the transmission shaft to rotate, and then the cutter bar is driven to rotate, and the screw is screwed up or loosened. The continuous rotation of the cutter bar can be realized through the coil spring, the screw can be continuously screwed or unscrewed only by aligning the screwdriver with the screw and loosening the knob, the user does not need to return the hand, the realignment is not needed, and the labor and the time are saved.
Preferably, one end of the knob, which is close to the transmission shaft, is shaped like a rectangular cylinder, and the transmission shaft is provided with a rectangular hole matched with the rectangular cylinder.
After the preferred scheme is adopted, the rectangular cylinder of the knob is matched with the rectangular hole of the transmission shaft, so that the knob and the transmission shaft cannot rotate relatively, the torque of the knob can be transmitted to the transmission shaft, and the knob and the transmission shaft are detachably connected, thereby facilitating later overhaul and replacement.
Preferably, an upper wheel is arranged between the cutter bar and the transmission shaft, the central shafts of the upper wheel, the cutter bar and the transmission shaft are the same, bulges are arranged on the outer side surface of the upper wheel at intervals, a limiting blocking piece is hinged to the shell, the rotating shaft of the limiting blocking piece is perpendicular to the rotating shaft of the upper wheel, and the limiting blocking piece is matched with the bulges.
After adopting this preferred scheme, stir spacing separation blade, make spacing separation blade card between the arch of upper wheel, can restrict the rotation of upper wheel to reach the effect of storing the elastic potential energy that the coil spring produced, aim at the screw with the screwdriver after, stir spacing separation blade once more, make spacing separation blade and upper wheel separation, just can release elastic potential energy, make the screw tighten. When the limiting blocking piece is used, the limiting blocking piece is rotated to be in contact with the upper wheel, then the knob is rotated, the limiting blocking piece is clamped between the bulges, and the rotation of the upper wheel can be limited. The arch sets up in the outside of upper wheel, and is far away from the rotation center, can reduce the pressure that spacing separation blade received, and the thickness direction of spacing separation blade is the same with the rotation direction of upper wheel, can increase the stability of structure.
Preferably, one end of the transmission shaft, which is close to the upper wheel, is in the shape of a rectangular cylinder, and the upper wheel is provided with a rectangular hole matched with the rectangular cylinder.
After the preferred scheme is adopted, the transmission shaft and the upper wheel cannot rotate relatively, the elastic potential energy of the coil spring can be transmitted to the upper wheel through the transmission shaft and finally transmitted to the cutter bar, and the upper wheel is detachably connected with the transmission shaft, so that the subsequent repair and replacement are facilitated, and the use cost is reduced.
Preferably, a lower wheel is arranged between the cutter bar and the upper wheel, the lower wheel is fixedly connected with the cutter bar, and the lower wheel is a gear and is meshed with the upper wheel.
After the preferred scheme is adopted, the upper wheel and the lower wheel are in gear transmission, the rotation of the upper wheel can be transmitted to the lower wheel, and finally transmitted to the cutter bar.
Preferably, the cutter arbor outside cover is equipped with adjusting nut, adjusting nut and shell threaded connection, adjusting nut one end are located the shell outside, and the adjusting nut other end is located the shell inboard, is provided with compression spring between adjusting nut and the lower wheel, the side of the tooth of lower wheel and the side of the tooth of last wheel set up to the inclined plane.
After the optimal scheme is adopted, the pressure between the upper wheel and the lower wheel determines the torque which can be output by the lower wheel, when the pressure exceeds a set value, the upper wheel and the lower wheel slip, the cutter bar cannot be rotated, the design can keep the tightening torques of a plurality of screws under the same condition in the same range, the installation quality is improved, and the maximum output torque is controlled to prevent the screws from being damaged. The compression amount of the compression spring is adjusted through the adjusting nut, the pressure between the upper wheel and the lower wheel can be adjusted, the maximum output torque value is further adjusted, and the screwing requirements of screws under various conditions are met.
Preferably, the lower wheel is a bevel gear.
After adopting this preferred scheme, can not take place the dislocation between upper wheel and the lower round, the structure is more stable.
Preferably, a second bearing is arranged between the compression spring and the lower wheel.
After adopting this preferred scheme, compression spring and lower round are connected with the inside and outside lane of second bearing respectively, can avoid taking place the friction between compression spring and the lower round, influence the rotation of cutter arbor, and the rotation of cutter arbor is more smooth and easy, has avoided the wearing and tearing of compression spring and lower round moreover, has increased life.
Preferably, a first bearing is arranged in the shell, the shell is connected with an outer ring of the first bearing, and the knob is connected with an inner ring of the first bearing.
Because there is pressure between lower wheel and the last wheel, this pressure can transmit knob department, makes to have pressure between knob and the shell, and this pressure can make to have the friction between knob and the shell, and the knob rotates more difficultly, and the outer lane and the inner circle of first bearing are connected with shell and knob respectively, can eliminate the friction, make the rotation of knob more smooth and easy, more laborsaving.
Preferably, the two coil springs are arranged, and the curling directions of the two coil springs are opposite.
After the preferred scheme is adopted, elastic potential energy can be stored in two directions, so that the screwdriver can continuously rotate when being screwed and unscrewed.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the screw driver is arranged in the shell, the knob is rotated to drive the transmission shaft to rotate, the transmission shaft rotates to enable the coil spring to deform, elastic potential energy is accumulated, after the elastic potential energy is accumulated to a certain degree, the screw driver is aligned to the screw and the knob is loosened, the elastic potential energy of the coil spring is released to drive the transmission shaft to rotate, and then the cutter bar is driven to rotate to screw or unscrew the screw. The continuous rotation of the cutter bar can be realized through the coil spring, the screw can be continuously screwed or unscrewed only by aligning the screwdriver with the screw and loosening the knob, the user does not need to return the hand, the realignment is not needed, and the labor and the time are saved.
2. The rectangular cylinder of knob and the rectangular hole cooperation of transmission shaft make knob and transmission shaft can not rotate relatively, make the moment of torsion of knob transmit the transmission shaft for, the knob can be dismantled with the transmission shaft moreover and be connected, the later maintenance and the change of being convenient for.
3. The lateral surface interval of upper wheel is provided with the arch, and the articulated spacing separation blade that is provided with on the shell stirs spacing separation blade, makes spacing separation blade card between the arch of upper wheel, can restrict the rotation of upper wheel to reach the effect of storing the elastic potential energy that the coil spring produced, aim at the screw with the screwdriver after, stir spacing separation blade once more, make spacing separation blade and upper wheel separation, just can release elastic potential energy, make the screw tighten. The arch sets up in the outside of upper wheel, and is far away from the rotation center, can reduce the pressure that spacing separation blade received, and the thickness direction of spacing separation blade is the same with the rotation direction of upper wheel, can increase the stability of structure.
4. The transmission shaft is close to one end of the upper wheel and is in a rectangular cylinder shape, the upper wheel is provided with a rectangular hole, the transmission shaft and the upper wheel cannot rotate relatively, the elastic potential energy of the coil spring can be transmitted to the upper wheel through the transmission shaft and finally transmitted to the cutter bar, and the upper wheel and the transmission shaft are detachably connected, so that the later repair and replacement are facilitated, and the use cost is reduced.
5. The upper wheel and the lower wheel are in gear transmission, so that the rotation of the upper wheel can be transmitted to the lower wheel and finally transmitted to the cutter bar.
6. A compression spring is arranged between the adjusting nut and the lower wheel, the side surface of the gear is arranged to be an inclined surface, when the torque exceeds a set value, the upper wheel and the lower wheel slip, the cutter bar cannot rotate, the tightening torques of a plurality of screws under the same condition can be kept in the same range by the design, the installation quality is improved, and the maximum output torque is controlled to prevent the screws from being damaged by screwing. The compression amount of the compression spring is adjusted through the adjusting nut, the pressure between the upper wheel and the lower wheel can be adjusted, the maximum output torque value is further adjusted, and the screwing requirements of screws under various conditions are met.
7. The lower wheel is a conical gear, dislocation cannot occur between the upper wheel and the lower wheel, and the structure is more stable.
8. Be provided with the second bearing between compression spring and the lower wheel, compression spring and lower wheel are connected with the inside and outside circle of second bearing respectively, can avoid taking place the friction between compression spring and the lower wheel, influence the rotation of cutter arbor, and the rotation of cutter arbor is more smooth and easy, has avoided the wearing and tearing of compression spring and lower wheel moreover, has increased life.
9. The first bearing is arranged inside the shell, and the outer ring and the inner ring of the first bearing are respectively connected with the shell and the knob, so that friction can be eliminated, and the knob can be rotated more smoothly and more labor-saving.
10. The two coil springs are arranged, the curling directions of the two coil springs are opposite, elastic potential energy can be stored in the two directions, and the screwdriver can continuously rotate when being screwed and unscrewed.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a perspective view of the coil spring and drive shaft;
FIG. 5 is a perspective view of the upper wheel;
fig. 6 is a perspective view of the lower wheel.
The device comprises a shell, a cutter bar, a cutter rod, a lower wheel, an upper wheel, a transmission shaft, a coil spring, a knob, a first bearing, a compression spring, an adjusting nut, a limiting baffle and a second bearing, wherein the shell is 1, the cutter bar is 2, the lower wheel is 3, the upper wheel is 4, the transmission shaft is 5, the coil spring is 6, the knob is 7, the first bearing is 8, the compression spring is 9, the adjusting nut.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 6.
A spiral power spring energy storage screwdriver comprises a shell 1, a cutter bar 2 and a spiral spring 6, wherein the inner end part of the spiral spring 6 is fixedly connected with a transmission shaft 5, one end of the transmission shaft 5 is connected with the cutter bar 2, the other end of the transmission shaft 5 is connected with a knob 7, and the outer end part of the spiral spring 6 is connected with the shell 1 in a buckling mode. The transmission shaft 5 can be driven to rotate by rotating the knob 7, the transmission shaft 5 rotates to enable the coil spring 6 to accumulate elastic potential energy, and after the screwdriver is aligned to the screw, the elastic potential energy is released, so that continuous screwing operation can be performed on the screw.
In this embodiment, one end of the knob 7 close to the transmission shaft 5 is shaped as a rectangular cylinder, a central axis of the rectangular cylinder is the same as that of the knob 7, and a rectangular hole is formed in the middle of the transmission shaft 5 to be matched with the rectangular cylinder.
An upper wheel 4 is arranged between the cutter bar 2 and the transmission shaft 5, the central shafts of the upper wheel 4, the cutter bar 2 and the transmission shaft 5 are the same, bulges are arranged on the outer side surface of the upper wheel 4 at intervals, a limiting blocking piece 11 is hinged to the shell 1, and the rotating shaft of the limiting blocking piece 11 is perpendicular to the rotating shaft of the upper wheel 4. In this embodiment, the thickness direction of the limiting blocking pieces 11 is the same as the rotation direction of the upper wheel 4, and the distance between the protrusions is slightly larger than the thickness of the limiting blocking pieces 11. According to the mechanics principle, the moment is related to the force arm and the force, under the condition of the same moment, the longer the force arm is, the smaller the required force is, therefore, the bulge is arranged on the outer side of the upper wheel 4, the pressure on the limiting blocking sheet 11 can be reduced, the deformation or damage of the limiting blocking sheet 11 after long-time stress is avoided, and the service life of the screwdriver is prolonged. When the coil spring 6 is not needed to be used for storing force, the limiting blocking piece 11 can be clamped between the bulges to be used as a common screwdriver.
The transmission shaft 5 is close to one end of the upper wheel 4 and is shaped like a rectangular cylinder, and a rectangular hole matched with the rectangular cylinder is formed in the middle of the upper wheel 4.
A lower wheel 3 is arranged between the cutter bar 2 and the upper wheel 4, the lower wheel 3 is fixedly connected with the cutter bar 2, and the lower wheel 3 is a gear and is meshed with the upper wheel 4. In this embodiment, the lower wheel 3 is a bevel gear, and a tapered groove is provided at a contact portion between the upper wheel 4 and the lower wheel 3 to match with the tapered groove.
2 outside covers of cutter arbor are equipped with adjusting nut 10, cutter arbor 2 and adjusting nut 10 sliding connection, adjusting nut 10 and 1 threaded connection of shell, the one end of adjusting nut 10 is located the shell 1 outside, and the adjusting nut 10 other end is located the shell 1 inboard, is provided with compression spring 9 between adjusting nut 10 and the lower round 3, the side of the tooth of lower round 3 and the side of the tooth of last round 4 set up to the inclined plane. The upper wheel 4 and the lower wheel 3 are pressed by the compression spring 9, torque is transmitted through the gear, and due to the fact that the side face of the gear is arranged to be the inclined face, when the torque received by the lower wheel 3 is too large, the upper wheel 4 and the lower wheel 3 can slip, and therefore the maximum output torque of the lower wheel 3 can be controlled. When some parts are installed, the tightening degree of each screw needs to be the same, and the torque applied to each screw can be controlled by adopting the method, so that the torque applied to each screw is ensured to be the same, and the installation quality is improved. The compression amount of the compression spring 9 can be changed by rotating the adjusting nut 10, so that the maximum output torque of the lower wheel 3 is adjusted, and the requirements under different conditions are met.
A second bearing 12 is arranged between the compression spring 9 and the lower wheel 3. In this embodiment, the outer lane of second bearing 12 is connected with compression spring 9, and the inner circle of second bearing 12 is connected with lower wheel 3, avoids second bearing 12 and lower wheel 3 to take place the friction, hinders the rotation of cutter arbor 2, also avoids wearing and tearing simultaneously, increase of service life.
The inner part of the shell 1 is provided with a first bearing 8, the shell 1 is connected with the outer ring of the first bearing 8, and the knob 7 is connected with the inner ring of the first bearing 8. Because there is pressure between lower wheel 3 and upper wheel 4, this pressure can transmit knob 7 through transmission shaft 5, makes to have the pressure between knob 7 and the shell 1, and this pressure can make to produce the friction between knob 7 and the shell 1 for knob 7 rotates the difficulty when the winding, and is harder. When the coil spring 6 releases the elastic potential energy, the friction between the knob 7 and the housing 1 can counteract a part of the elastic potential energy to block the rotation of the screwdriver rod 2, and the normal operation of the screwdriver is influenced. The outer ring and the inner ring of the first bearing 8 are respectively connected with the shell 1 and the knob 7, so that friction can be eliminated, the knob 7 can rotate more smoothly and more labor-saving, and the screwdriver can work normally when elastic potential energy is released.
In this embodiment, the two coil springs 6 are provided, and the two coil springs 6 are opposite in curling direction, so that elastic potential energy can be stored in two directions, and the screwdriver can continuously rotate during screwing and unscrewing.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. The utility model provides a clockwork spring energy storage screwdriver which characterized in that: the novel spiral spring comprises a shell (1), a cutter bar (2) and a spiral spring (6), wherein the inner end part of the spiral spring (6) is fixedly connected with a transmission shaft (5), one end of the transmission shaft (5) is connected with the cutter bar (2), the other end of the transmission shaft (5) is connected with a knob (7), and the outer end part of the spiral spring (6) is fixedly connected with the shell (1).
2. A spiral power spring energy storage screwdriver according to claim 1, characterized in that the end of the knob (7) close to the driving shaft (5) is shaped as a rectangular cylinder, and the driving shaft (5) is provided with a rectangular hole to match with the rectangular cylinder.
3. The spiral power spring energy storage screwdriver according to claim 1, wherein an upper wheel (4) is arranged between the screwdriver rod (2) and the transmission shaft (5), the central axes of the upper wheel (4), the screwdriver rod (2) and the transmission shaft (5) are the same, protrusions are arranged on the outer side surface of the upper wheel (4) at intervals, a limiting stop piece (11) is hinged to the shell (1), the rotating shaft of the limiting stop piece (11) is perpendicular to the rotating shaft of the upper wheel (4), and the limiting stop piece (11) is matched with the protrusions.
4. A spiral power spring energy storage screwdriver according to claim 3, characterized in that the end of the transmission shaft (5) close to the upper wheel (4) is shaped as a rectangular cylinder, and the upper wheel (4) is provided with a rectangular hole to match with the rectangular cylinder.
5. A spiral power spring energy storage screwdriver according to claim 3 or 4, characterized in that a lower wheel (3) is arranged between the cutter bar (2) and the upper wheel (4), the lower wheel (3) is fixedly connected with the cutter bar (2), and the lower wheel (3) is a gear and is meshed with the upper wheel (4).
6. The spiral power spring energy storage screwdriver according to claim 5, characterized in that an adjusting nut (10) is sleeved on the outer side of the screwdriver rod (2), the adjusting nut (10) is in threaded connection with the shell (1), one end of the adjusting nut (10) is located on the outer side of the shell (1), the other end of the adjusting nut (10) is located on the inner side of the shell (1), a compression spring (9) is arranged between the adjusting nut (10) and the lower wheel (3), and the side surface of the teeth of the lower wheel (3) and the side surface of the teeth of the upper wheel (4) are arranged to be inclined surfaces.
7. A power spring energy storing screwdriver according to claim 5 or 6, said lower wheel (3) being a bevel gear.
8. A spiral power spring energy storage screwdriver according to claim 6, characterized in that a second bearing (12) is arranged between the compression spring (9) and the lower wheel (3).
9. A spiral power spring energy storage screwdriver according to claim 1, characterized in that a first bearing (8) is arranged inside the casing (1), the casing (1) is connected with the outer ring of the first bearing (8), and the knob (7) is connected with the inner ring of the first bearing (8).
10. A power spring energy storing screwdriver according to claim 1, wherein two coil springs (6) are provided, and the two coil springs (6) are wound in opposite directions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911082329.6A CN110757389B (en) | 2019-11-07 | 2019-11-07 | Spiral power spring energy storage screwdriver |
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CN201911082329.6A CN110757389B (en) | 2019-11-07 | 2019-11-07 | Spiral power spring energy storage screwdriver |
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CN110757389A true CN110757389A (en) | 2020-02-07 |
CN110757389B CN110757389B (en) | 2020-12-25 |
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CN201911082329.6A Expired - Fee Related CN110757389B (en) | 2019-11-07 | 2019-11-07 | Spiral power spring energy storage screwdriver |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111390545A (en) * | 2020-04-15 | 2020-07-10 | 曾庆林 | Screw mounting equipment capable of preventing screw cap from sliding |
CN112476340A (en) * | 2020-11-20 | 2021-03-12 | 广东电网有限责任公司电力科学研究院 | Portable bolt fastening device |
CN117001137A (en) * | 2023-09-22 | 2023-11-07 | 江苏攀森智能科技有限公司 | Split quick-change cutter for friction stir welding of motor casing and replacement method |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2106042U (en) * | 1991-11-20 | 1992-06-03 | 林大森 | Ratchet operated screwdriver |
US5642794A (en) * | 1996-03-11 | 1997-07-01 | Chuang; Cheng-Hsung | Ratchet mechanism |
US6330843B1 (en) * | 2000-07-05 | 2001-12-18 | Chang-Ming Lin | Ratchet screwdriver with rotation control mechanism |
CN202462319U (en) * | 2012-01-17 | 2012-10-03 | 工丰企业股份有限公司 | Speedup structure of ratchet screwdriver |
CN203045599U (en) * | 2012-11-13 | 2013-07-10 | 厦门南旗佰特精密工具制造有限公司 | Fixed value torque screwdriver |
KR101524698B1 (en) * | 2013-12-30 | 2015-06-04 | 양현민 | Driver tool using restoring force of spiral spring |
CN204546397U (en) * | 2015-03-19 | 2015-08-12 | 南华大学 | Clockwork spring stores power automatic screwdriver |
CN206445758U (en) * | 2016-12-28 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of independent accessory for being used to adjust torsion |
-
2019
- 2019-11-07 CN CN201911082329.6A patent/CN110757389B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2106042U (en) * | 1991-11-20 | 1992-06-03 | 林大森 | Ratchet operated screwdriver |
US5642794A (en) * | 1996-03-11 | 1997-07-01 | Chuang; Cheng-Hsung | Ratchet mechanism |
US6330843B1 (en) * | 2000-07-05 | 2001-12-18 | Chang-Ming Lin | Ratchet screwdriver with rotation control mechanism |
CN202462319U (en) * | 2012-01-17 | 2012-10-03 | 工丰企业股份有限公司 | Speedup structure of ratchet screwdriver |
CN203045599U (en) * | 2012-11-13 | 2013-07-10 | 厦门南旗佰特精密工具制造有限公司 | Fixed value torque screwdriver |
KR101524698B1 (en) * | 2013-12-30 | 2015-06-04 | 양현민 | Driver tool using restoring force of spiral spring |
CN204546397U (en) * | 2015-03-19 | 2015-08-12 | 南华大学 | Clockwork spring stores power automatic screwdriver |
CN206445758U (en) * | 2016-12-28 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of independent accessory for being used to adjust torsion |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111390545A (en) * | 2020-04-15 | 2020-07-10 | 曾庆林 | Screw mounting equipment capable of preventing screw cap from sliding |
CN112476340A (en) * | 2020-11-20 | 2021-03-12 | 广东电网有限责任公司电力科学研究院 | Portable bolt fastening device |
CN117001137A (en) * | 2023-09-22 | 2023-11-07 | 江苏攀森智能科技有限公司 | Split quick-change cutter for friction stir welding of motor casing and replacement method |
CN117001137B (en) * | 2023-09-22 | 2023-12-15 | 江苏攀森智能科技有限公司 | Split quick-change cutter for friction stir welding of motor casing and replacement method |
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