CN203438144U - Electric screw driver capable of automatically disassembling tool bit - Google Patents
Electric screw driver capable of automatically disassembling tool bit Download PDFInfo
- Publication number
- CN203438144U CN203438144U CN201320568277.5U CN201320568277U CN203438144U CN 203438144 U CN203438144 U CN 203438144U CN 201320568277 U CN201320568277 U CN 201320568277U CN 203438144 U CN203438144 U CN 203438144U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- screw driver
- electric screw
- cutter head
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides an electric screw driver capable of automatically disassembling a tool bit. The electric screw driver comprises a shell, a motor, a speed reducer and a rotating shaft, wherein the motor, the speed reducer and the rotating shaft are arranged in the shell. An inner hexagonal shaft sleeve is fixedly arranged at the head portion of the rotating shaft, an inner hexagonal hole is formed in the end face of the inner hexagonal shaft sleeve, a central hole is formed in the bottom face of the inner hexagonal hole, the central hole extends into the rotating shaft, at least two slide grooves are evenly distributed in the portion, located inside the shell, of the side wall of the central hole in the circumferential direction, an ejector rod is sleeved with the central hole in a sliding mode, push rods are evenly distributed on the side wall of the ejector rod in the circumferential direction, the push rods penetrate through the slide grooves and then extend out of the rotating shaft, the rotating shaft is sleeved with circular rings, the circular rings are located on the two sides of the push rods, a gap exists between the inner wall of each circular ring and the outer wall of the rotating shaft, sliding blocks are arranged on the side wall of the shell, the sliding route of each sliding block is parallel to the axis of the rotating shaft, and the bottom of each sliding block is connected with the corresponding circular ring. When the electric screw driver is used for replacing the tool bit, magnetic force can be cut off, the tool bit can be automatically pushed out, the tool bit can be conveniently and rapidly replaced, and therefore work efficiency is improved.
Description
Technical field
The utility model relates to a kind of electric screw driver, particularly a kind of electric screw driver of Self-tipping cutter head.
Background technology
Electric screw driver can be changed different cutter heads according to different demands, and traditional cutter head is not drawn out easily in Renewal process, affects replacing speed, thereby has reduced production efficiency.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of electric screw driver that can cut off magnetic force when changing and automatically release the Self-tipping cutter head of cutter head.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of electric screw driver of Self-tipping cutter head, comprise housing 1, and be arranged on the motor 2 in described housing 1, decelerator 3, rotating shaft 5, the output shaft of described motor 2 connects the power shaft of described decelerator 3, the output shaft of described decelerator 3 connects described rotating shaft 5, it is outer and be installed with interior hexagonal axle sleeve 51 at the head of described rotating shaft 5 that the head of described rotating shaft 5 extends to described housing 1, the end face of described interior hexagonal axle sleeve 51 offers inner hexagonal hole 511, the bottom surface of described inner hexagonal hole 511 offers centre bore, described centre bore extends in described rotating shaft 5, the sidewall that is positioned at the centre bore of described housing 1 is circumferentially evenly equipped with at least two chutes, in described centre bore, be arranged with slidably push rod 6, the sidewall of described push rod 6 is circumferentially evenly equipped with push rod 61, described push rod 61 extends to outside described rotating shaft 5 through after described chute, the outer annulus 7 that is arranged with of described rotating shaft 5, and described annulus 7 is positioned at the both sides of described push rod 61, between the outer wall of the inwall of described annulus 7 and described rotating shaft 5, have gap, the sidewall of described housing 1 is provided with slide block 8, the sliding path of described slide block 8 is parallel with the axis of described rotating shaft, the bottom of described slide block 8 connects described annulus 7.
Further, between the front end of described slide block 8 and described housing 1, be provided with spring 9.
Further, also comprise electromagnet 10 and shaft coupling 4, described rotating shaft 5 is connected on the output shaft of described decelerator 3 by described shaft coupling 4, described electromagnet 10 is set in outside described rotating shaft 5, described electromagnet 10 is electrically connected to the contact-making switch 11 under being arranged on described slide block, and the bottom surface of described slide block 8 is provided with the feeler lever 81 that can trigger described contact-making switch 11.
Further, described shaft coupling 4 is made by pottery.
Further, described electromagnet 10 is comprised of annular iron core and the wire on described annular iron core.
Further, described push rod 6 is made of plastics.
(3) beneficial effect
The electric screw driver of the utility model Self-tipping cutter head, when changing cutter head, promotes slide block and slides, and makes feeler lever trigger contact-making switch it is closed, and electromagnet is stopped power supply and lose magnetic force, convenient release; In slipper push process, force annulus to promote push rod to the motion of cutter head direction simultaneously, under the effect without magnetic force, can conveniently cutter head be ejected, complete the unloading of cutter head; Complete after cutter head unloading, unclamp slide block, under the effect of spring force, slide block resets, and triggers electromagnet energising simultaneously, makes magnetic force be sent to interior hexagonal axis along rotating shaft and puts, and is conveniently fixedly inserted in the cutter head in axle sleeve; The electric screw driver of the utility model Self-tipping cutter head can cut off magnetic force and automatically release cutter head when changing, and changes cutter head convenient and swift, and then has improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is the electric screwdriver structure schematic diagram of the utility model Self-tipping cutter head;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the cutaway view of the electric screw driver push rod of the utility model Self-tipping cutter head.
The specific embodiment
Consult Fig. 1～Fig. 3, the utility model provides a kind of electric screw driver of Self-tipping cutter head, comprise housing 1, and be arranged on the motor 2 in this housing 1, decelerator 3, rotating shaft 5, the power shaft of the output shaft connection reducer 3 of motor 2, the output shaft connection rotating shaft 5 of decelerator 3, it is outer and be installed with interior hexagonal axle sleeve 51 at the head of this rotating shaft 5 that the head of rotating shaft 5 extends to housing 1, the end face of this interior hexagonal axle sleeve 51 offers inner hexagonal hole 511, the bottom surface of inner hexagonal hole 511 offers centre bore, this centre bore extends in rotating shaft 5, the sidewall that is positioned at the centre bore of housing 1 is circumferentially evenly equipped with at least two chutes, in the present embodiment, be evenly equipped with six, in centre bore, be arranged with slidably push rod 6, the sidewall of push rod 6 is circumferentially evenly equipped with push rod 61, in the present embodiment, be six, this push rod 61 extends to outside rotating shaft 5 through after chute, the outer annulus 7 that is arranged with of rotating shaft 5, and this annulus 7 is positioned at the both sides of push rod 61, between the inwall of annulus 7 and the outer wall of rotating shaft 5, have gap simultaneously, the sidewall of housing 1 is provided with slide block 8, the sliding path of slide block 8 (being glide direction) is parallel with the axis of rotating shaft, the bottom of slide block 8 connects annulus 7, in order to make slide block automatically reset, between the front end of slide block 8 and housing 1, be provided with spring 9, in order to use the cutter head of trying hard to recommend out still less, in the present embodiment, also comprise electromagnet 10 and shaft coupling 4, rotating shaft 5 is connected on the output shaft of decelerator 3 by shaft coupling 4, electromagnet 10 is set in outside rotating shaft 5, electromagnet 10 is electrically connected to the contact-making switch 11 under being arranged on slide block, and the bottom surface of slide block 8 is provided with the feeler lever 81 that can trigger contact-making switch 11, in order to prevent that magnetic force is sent on accelerator and motor, this shaft coupling 4 is made by pottery, also can adopt other non-magnet materials to make, in the present embodiment, electromagnet 10 is comprised of annular iron core and the wire on this annular iron core, for fear of the magnetic force impact in pushing course, push rod 6 is made of plastics.
The electric screw driver of the utility model Self-tipping cutter head, when changing cutter head, promotes slide block and slides, and makes feeler lever trigger contact-making switch it is closed, and electromagnet is stopped power supply and lose magnetic force, convenient release; In slipper push process, force annulus to promote push rod to the motion of cutter head direction simultaneously, under the effect without magnetic force, can conveniently cutter head be ejected, complete the unloading of cutter head; Complete after cutter head unloading, unclamp slide block, under the effect of spring force, slide block resets, and triggers electromagnet energising simultaneously, makes magnetic force be sent to interior hexagonal axis along rotating shaft and puts, and is conveniently fixedly inserted in the cutter head in axle sleeve; The electric screw driver of the utility model Self-tipping cutter head can cut off magnetic force and automatically release cutter head when changing, and changes cutter head convenient and swift, and then has improved operating efficiency.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the electric screw driver of a Self-tipping cutter head, it is characterized in that: comprise housing (1), and be arranged on the motor (2) in described housing (1), decelerator (3), rotating shaft (5), the output shaft of described motor (2) connects the power shaft of described decelerator (3), the output shaft of described decelerator (3) connects described rotating shaft (5), it is outer and be installed with interior hexagonal axle sleeve (51) at the head of described rotating shaft (5) that the head of described rotating shaft (5) extends to described housing (1), the end face of described interior hexagonal axle sleeve (51) offers inner hexagonal hole (511), the bottom surface of described inner hexagonal hole (511) offers centre bore, described centre bore extends in described rotating shaft (5), the sidewall that is positioned at the centre bore of described housing (1) is circumferentially evenly equipped with at least two chutes, in described centre bore, be arranged with slidably push rod (6), the sidewall of described push rod (6) is circumferentially evenly equipped with push rod (61), described push rod (61) extends to outside described rotating shaft (5) through after described chute, the outer annulus (7) that is arranged with of described rotating shaft (5), and described annulus (7) is positioned at the both sides of described push rod (61), between the outer wall of the inwall of described annulus (7) and described rotating shaft (5), have gap, the sidewall of described housing (1) is provided with slide block (8), the sliding path of described slide block (8) is parallel with the axis of described rotating shaft, the bottom of described slide block (8) connects described annulus (7).
2. the electric screw driver of Self-tipping cutter head as claimed in claim 1, is characterized in that: between the front end of described slide block (8) and described housing (1), be provided with spring (9).
3. the electric screw driver of Self-tipping cutter head as claimed in claim 2, it is characterized in that: also comprise electromagnet (10) and shaft coupling (4), (5 are connected on the output shaft of described decelerator (3) by described shaft coupling (4) in described rotating shaft, described electromagnet (10) is set in outside described rotating shaft (5), described electromagnet (10) is electrically connected to the contact-making switch (11) under being arranged on described slide block, and the bottom surface of described slide block (8) is provided with the feeler lever (81) that can trigger described contact-making switch (11).
4. the electric screw driver of Self-tipping cutter head as claimed in claim 3, is characterized in that: described shaft coupling (4) is made by pottery.
5. the electric screw driver of Self-tipping cutter head as claimed in claim 4, is characterized in that: described electromagnet (10) is comprised of annular iron core and the wire on described annular iron core.
6. the electric screw driver of Self-tipping cutter head as claimed in claim 5, is characterized in that: described push rod (6) is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568277.5U CN203438144U (en) | 2013-09-12 | 2013-09-12 | Electric screw driver capable of automatically disassembling tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320568277.5U CN203438144U (en) | 2013-09-12 | 2013-09-12 | Electric screw driver capable of automatically disassembling tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438144U true CN203438144U (en) | 2014-02-19 |
Family
ID=50089218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320568277.5U Expired - Fee Related CN203438144U (en) | 2013-09-12 | 2013-09-12 | Electric screw driver capable of automatically disassembling tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438144U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537893A (en) * | 2015-12-05 | 2016-05-04 | 芜湖山野电器有限公司 | Screwing detector for electric vehicle charging station |
| CN107689595A (en) * | 2017-09-07 | 2018-02-13 | 国网河南省电力公司南阳供电公司 | Transformer station's sight glass type intelligence tool |
| CN108673401A (en) * | 2018-07-06 | 2018-10-19 | 无锡市稀土永磁厂 | Cutter head type screwdriver is replaced in the side filling of built-in permanent magnet |
| CN110653742A (en) * | 2019-10-30 | 2020-01-07 | 徐州泉宝电气设备有限公司 | Dismounting screwdriver suitable for electrical equipment |
-
2013
- 2013-09-12 CN CN201320568277.5U patent/CN203438144U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537893A (en) * | 2015-12-05 | 2016-05-04 | 芜湖山野电器有限公司 | Screwing detector for electric vehicle charging station |
| CN105537893B (en) * | 2015-12-05 | 2018-06-05 | 芜湖山野电器有限公司 | A kind of electric motorcar charging station is with screwing detection machine |
| CN107689595A (en) * | 2017-09-07 | 2018-02-13 | 国网河南省电力公司南阳供电公司 | Transformer station's sight glass type intelligence tool |
| CN108673401A (en) * | 2018-07-06 | 2018-10-19 | 无锡市稀土永磁厂 | Cutter head type screwdriver is replaced in the side filling of built-in permanent magnet |
| CN110653742A (en) * | 2019-10-30 | 2020-01-07 | 徐州泉宝电气设备有限公司 | Dismounting screwdriver suitable for electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |