CN207915352U - Electric screw driver - Google Patents
Electric screw driver Download PDFInfo
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- CN207915352U CN207915352U CN201721886548.6U CN201721886548U CN207915352U CN 207915352 U CN207915352 U CN 207915352U CN 201721886548 U CN201721886548 U CN 201721886548U CN 207915352 U CN207915352 U CN 207915352U
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- torsion
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- main shaft
- screw driver
- electric screw
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Abstract
The utility model creation discloses electric screw driver, sensing device including handle casing, driver bit component and screwdriver, motor, control assembly, the deceleration change torsion device for connecting motor output end are disposed in handle casing, the other end that device is turned round in change of slowing down is connected with driver bit component, counter is disposed on handle casing, counter is connected with sensing device communication.The utility model is created by designing counter and sensing device, and when screw is tightened, and electric screw driver stops operating, sensing device transmits signals to counter, and counter counts primary；The structure of torsion adjusting set and spring assembly is designed, torsion adjusting set is rotated, can adjust the compression degree of spring assembly, so as to adjust the torque magnitude of electric screw driver, when spring assembly is gradually compacted, the torsion of electric screw driver gradually increases.The utility model creation is simple in structure, easy to operate, can be widely applied to power accessories technical field.
Description
Technical field
The invention is related to power accessories technical field, more particularly to electric screw driver.
Background technology
Currently used electric screw driver is to export the rotation of dynamic Control screwdriver by motor and planet wheel decelerator
Realize operation, but screwdriver more difficult to control screws torsion, especially after screw has been tightened, if screwdriver continues
Rotation, it is most likely that cause screw to be destroyed, therefore can be prevented this from occurring by designing torque force adjusting mechanism, it is existing
Although electric screw driver this function may be implemented, continuous operation when function it is perfect not enough, such as：It can not count
Calculate the torsion for operating how many a screws, can not precisely adjusting screwdriver.
Utility model content
The invention can record the screw quantity operated the technical problem to be solved is that electric screw driver is provided,
The torsion that screwdriver can be also adjusted by easy torque force adjusting mechanism, avoids the occurrence of the situation of torsion deficiency.
Used technical solution to solve above-mentioned technical problem：
Electric screw driver includes the sensing device of handle casing, driver bit component and screwdriver, is arranged in handle casing
There is the deceleration of motor, control assembly, the connection motor output end to become and turn round device, described slow down becomes the other end for turning round device and institute
It states driver bit component to be connected, counter is disposed on the handle casing, the counter connects with sensing device communication
It connects.
Further, the deceleration change torsion device includes the first babinet and the second babinet, first babinet and the second babinet
Between be connected through a screw thread, the planet wheel decelerator being connect with the motor output end is disposed in first babinet, it is described
Running through in second babinet has the torsion transfer structure being connected with the planet wheel decelerator output end.
Further, the torsion transfer structure includes torsion adjusting set, is connected with the planet wheel decelerator output end
Transmission shaft and several torsion mandrils being arranged in the torsion adjusting set, the other end of the transmission shaft are connected with main shaft,
The transmission shaft and main shaft run through second babinet and the torsion adjusting set, the torsion adjusting set and the second babinet screw thread
Connection, and each torsion mandril withstands one end of the torsion adjusting set, the other end and groups of springs of each torsion mandril
Part abuts, and the spring assembly is fixed on the main shaft, and each torsion mandril is arranged around the main shaft.
Further, one end of the transmission shaft is disposed at least two first protrusions, one end of the main shaft be disposed with
The corresponding through-hole of each first protrusion, is disposed with the decorative pearl on top of an official cap and bearing in each through-hole, and each bearing is by corresponding top
Pearl jacks up to abut with first protrusion.
Further, the spring assembly includes spring pedestal, spring collar and is arranged in the spring pedestal and spring top
Spring between circle, the spring pedestal, spring and spring collar are sleeved on the main shaft, and the spring pedestal is fixed on institute
It states on main shaft.
Further, the driver bit component includes the electric screwdriver head being connect with the main shaft other end, the electric screwdriver head
One end is disposed with annular groove, the positioning that the side arrangement of the main shaft has at least one location hole and is placed in location hole
Pearl, each positioning bead part are located at the annular groove, and the rest part of positioning bead is located in the location hole, the main shaft
On be cased with sleeve, the sleeve is sleeved at the position of each location hole.
Further, the side arrangement of described electric screwdriver head one end has at least two second protrusions, the end to be connect with the main shaft,
One end of the main shaft is disposed with the jack being inserted into for the end, and the side wall of the jack is disposed with and each described second raised phase
Matched card slot.
Further, be disposed on the handle casing setting button, speed governing button and with the torsion adjusting set phase
The torsion sheath matched.
Advantageous effect：The invention is by designing counter and sensing device, and when screw is tightened, electric screw driver stops
When rotation stop is moved, sensing device transmits signals to counter, and counter counts primary；Design torsion adjusting set and spring assembly
Structure rotates torsion adjusting set, can adjust the compression degree of spring assembly, so as to adjust the torque magnitude of electric screw driver, when
When spring assembly is gradually compacted, the torsion of electric screw driver gradually increases.The invention is simple in structure, easy to operate, can
It is widely used in power accessories technical field.
Description of the drawings
Fig. 1 is the exploded view of electric screw driver；
Fig. 2 is the front view of electric screw driver；
Fig. 3 is the internal structure chart of electric screw driver.
Specific implementation mode
The invention is described further with reference to Fig. 1 to Fig. 3.
Electric screw driver, including handle casing, driver bit component and sensing device are disposed with meter on the handle casing
Number device, the counter are connected with sensing device communication.Counter is transmitted signals to, counter counts primary.It should note
Meaning, when sensing device senses that screwdriver withstands screw, screwdriver can just start, after screw is tightened, electric screw driver
It is normal to stop, while sensing device sends a signal to counter, counter counts primary.
The deceleration that motor 15, control assembly, connection 15 output end of motor are disposed in handle casing becomes torsion device, institute
The other end for stating the change torsion device that slows down is connected with the driver bit component.It includes 25 He of the first babinet that the deceleration, which becomes torsion device,
Second babinet 40 is connected through a screw thread between first babinet, 25 and second babinet 40, is disposed in first babinet 25
The planet wheel decelerator being connect with 15 output end of the motor, through having and the planet wheel decelerator in second babinet 40
The connected torsion transfer structure of output end.The planet wheel decelerator drives the driver bit group by torsion transport mechanism
Part.
The transmission shaft that the torsion transfer structure includes torsion adjusting set 42, is connect with the planet wheel decelerator output end
31 and several torsion mandrils 41 for being arranged in the torsion adjusting set 42.One end of the transmission shaft 31 is connected with
Main shaft 33, the transmission shaft 31 and main shaft 33 run through second babinet 40 and the torsion adjusting set 42.Each torsion top
Bar 41 arranges that each torsion mandril 41 withstands one end of the torsion adjusting set 42, each described around the transmission shaft 31
The other end of torsion mandril 41 is abutted with spring assembly, and the spring assembly is fixed on the main shaft 33.
The compression degree that can adjust the spring assembly by rotating the torsion adjusting set 42, so as to adjust screwdriver
Torsion.When spring assembly is gradually compacted, the torsion of electric screw driver at work gradually increases.
One end of the transmission shaft 31 is disposed at least two first protrusions, in the present embodiment, the number of first protrusion
Amount is two.One end of the main shaft 33 be disposed with the corresponding through-hole of each first protrusion, arrange in each through-hole
There are the decorative pearl on top of an official cap 32 and bearing, the corresponding decorative pearl on top of an official cap 32 is jacked up and abutted with first protrusion by each bearing, when the spring assembly
When being compacted, first protrusion just increases the pressure of the decorative pearl on top of an official cap 32, to increase torsion when electric screw driver work.
The spring assembly includes spring pedestal 35, spring collar 37 and is arranged in the spring pedestal 35 and spring collar
Spring 36 between 37, the spring pedestal 35, spring 36 and spring collar 37 are sleeved on the transmission shaft 31, the spring
Pedestal 35 is fixed on the main shaft 33.
After electric screw driver is by screw tightening, screwdriver is normally stopped, and can avoid screwdriver by screw header structure
It destroys.
The driver bit component includes the electric screwdriver head 50 being connect with 33 other end of the main shaft, and the one of the electric screwdriver head 50
End is disposed with annular groove, the positioning that the side arrangement of the main shaft 33 has at least one location hole and is placed in location hole
Pearl, each positioning bead part are located at the annular groove, and the rest part of positioning bead is located in the location hole, the main shaft
Sleeve 45 is cased on 33, the sleeve 45 is sleeved at the position of each location hole.
In the present embodiment, further to make not relatively rotate between electric screwdriver head 50 and main shaft 33, the electric screwdriver head 50
The side arrangement of one end has at least one second protrusion, the end to be connect with the main shaft 33, and one end of the main shaft 33 is disposed with
For the jack that the end is inserted into, the side wall of the jack is disposed with the second card slot to match with each second protrusion.
The control assembly includes driving plate 14, control panel 48 and speed adjusting plate 52, is disposed on the handle casing and institute
State the connected setting button 47 of control panel 48, the speed governing button 8 being connected with the speed adjusting plate 52 and with the torsion adjusting set
The 42 torsion sheaths 5 to match.
The embodiment of the invention is explained in detail above in association with attached drawing, but the invention is not limited to
State embodiment, the technical field those of ordinary skill within the scope of knowledge, the present invention can also not departed from
Various changes can be made under the premise of creation objective.
Claims (8)
1. electric screw driver, it is characterised in that：Sensing device including handle casing, driver bit component and screwdriver, handle
The deceleration that motor (15), control assembly, connection motor (15) output end are disposed in shell becomes torsion device, and the deceleration becomes
The other end for turning round device is connected with the driver bit component, is disposed with counter on the handle casing, the counter and
The sensing device communication connection.
2. electric screw driver according to claim 1, it is characterised in that：It includes the first babinet that the deceleration, which becomes torsion device,
(25) and the second babinet (40) it, is connected through a screw thread between first babinet (25) and the second babinet (40), first case
The planet wheel decelerator being connect with the motor (15) output end is disposed in body (25), running through in second babinet (40) has
The torsion transfer structure being connected with the planet wheel decelerator output end.
3. electric screw driver according to claim 2, it is characterised in that：The torsion transfer structure includes torsion adjusting set
(42), the transmission shaft (31) that is connected with the planet wheel decelerator output end and be arranged in the torsion adjusting set (42) if in
Dry torsion mandril (41), the other end of the transmission shaft (31) are connected with main shaft (33), the transmission shaft (31) and main shaft
(33) run through second babinet (40) and the torsion adjusting set (42), the torsion adjusting set (42) and the second babinet (40)
It is threadedly coupled, and each torsion mandril (41) withstands one end of the torsion adjusting set (42), each torsion mandril (41)
The other end abutted with spring assembly, the spring assembly is fixed on the main shaft (33), each torsion mandril (41) ring
It is arranged around the main shaft (33).
4. electric screw driver according to claim 3, it is characterised in that：One end of the transmission shaft (31) is disposed at least
One end of two first protrusions, the main shaft (33) is disposed with and each described first raised corresponding through-hole, each through-hole
In be disposed with the decorative pearl on top of an official cap (32) and bearing, the corresponding decorative pearl on top of an official cap (32) is jacked up and raised is abutted with described first by each bearing.
5. electric screw driver according to claim 3, it is characterised in that：The spring assembly include spring pedestal (35),
Spring collar (37) and the spring (36) being arranged between the spring pedestal (35) and spring collar (37), the spring pedestal
(35), spring (36) and spring collar (37) are sleeved on the main shaft (33), and the spring pedestal (35) is fixed on the master
On axis (33).
6. electric screw driver according to claim 3, it is characterised in that：The driver bit component includes and the main shaft
(33) electric screwdriver head (50) of other end connection, one end of the electric screwdriver head (50) are disposed with annular groove, the main shaft (33)
The positioning bead that side arrangement has at least one location hole and is placed in location hole, each positioning bead part is located at the annular
The rest part of groove, positioning bead is located in the location hole, and sleeve (45), the sleeve are cased on the main shaft (33)
(45) it is sleeved at the position of each location hole.
7. electric screw driver according to claim 6, it is characterised in that：The side arrangement of described electric screwdriver head (50) one end has
At least two second protrusions, the end are connect with the main shaft (33), and one end of the main shaft (33) is disposed with to be inserted into for the end
Jack, the side wall of the jack is disposed with the card slot to match with each second protrusion.
8. electric screw driver according to claim 3, it is characterised in that：It is disposed with setting button on the handle casing
(47), speed governing button (8) and the torsion sheath (5) to match with the torsion adjusting set (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886548.6U CN207915352U (en) | 2017-12-27 | 2017-12-27 | Electric screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886548.6U CN207915352U (en) | 2017-12-27 | 2017-12-27 | Electric screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207915352U true CN207915352U (en) | 2018-09-28 |
Family
ID=63616557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886548.6U Active CN207915352U (en) | 2017-12-27 | 2017-12-27 | Electric screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207915352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319678A (en) * | 2022-09-19 | 2022-11-11 | 速动智能拧紧技术(广东)有限公司 | Intelligent counting integrated electric screwdriver |
-
2017
- 2017-12-27 CN CN201721886548.6U patent/CN207915352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319678A (en) * | 2022-09-19 | 2022-11-11 | 速动智能拧紧技术(广东)有限公司 | Intelligent counting integrated electric screwdriver |
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