CN204450367U - The electric screwdriver of built-in screwdriver bit - Google Patents
The electric screwdriver of built-in screwdriver bit Download PDFInfo
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- CN204450367U CN204450367U CN201420824942.7U CN201420824942U CN204450367U CN 204450367 U CN204450367 U CN 204450367U CN 201420824942 U CN201420824942 U CN 201420824942U CN 204450367 U CN204450367 U CN 204450367U
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- screwdriver bit
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- screwdriver
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Abstract
The utility model relates to a kind of electric screwdriver of built-in screwdriver bit, comprises casing, motor, output shaft; It is characterized in that: in casing, constraint has the rotating disk that can rotate around own axes, dial portion manifests casing and rotates for people, rotating disk is circumferentially interval with the accommodating hole that multiple axis runs through, a screwdriver bit is equipped with in each accommodating hole, screwdriver bit jack is the perforation axially running through output shaft, in casing, also constraint has energy axial slip ground push rod, the front end of push rod is provided with the magnet that can hold screwdriver bit tail end, the reach of push rod can be inserted from described screwdriver bit jack rear end to promote the screwdriver bit in it, and push rod is driven and slippage before and after energy by the push button be located on casing.Screwdriver bit is built in screwdriver, not easily loses, and need to change screwdriver bit and only need rotate rotating disk, screwdriver bit is changed convenient.
Description
Technical field
The utility model relates to a kind of electric hand-held tool, particularly relates to a kind of electric screwdriver of built-in screwdriver bit.
Background technology
Install at equipment or in maintenance process, often can run into the situation screwing or unscrew screw, for the screw that some diameters are larger; the longer time need be spent with when shfting wrench or box spanner dismounting; use in addition traditional screwdriver or spanner very inconvenient, inefficiency, labour intensity is large.Electric screwdriver, as a kind of tool for twisting screw of convenience and high-efficiency, has used in family at present and has obtained applying more and more widely in construction operation process.Electric screwdriver generally comprises the housing with handle, the leading face of housing is equipped with output shaft, it is polygon-shaped screwdriver bit jack that the front end face of output shaft is provided with cross section, the screwdriver bit of various model size can be plugged in aforesaid screwdriver bit jack, motor is provided with in the body portion of housing, the power transmission shaft of motor to be connected with output shaft transmission by gear reduction box and to rotate around own axes with driver output axle, and the shank of housing is provided with the energy charge power supply providing power to motor.
As the Chinese utility model patent " DC electric screw batch " that a patent No. is ZL01271639.1 (notification number is CN2508901Y), and one application number be the Chinese invention patent " Rechargeable electric screw driver " of ZL201010525872.1 (publication number is CN101983844A), they all disclose such electric screwdriver structure.
For the screw of different size specifications, existing electric screwdriver needs the screwdriver bit of supporting a lot of different model and specification, as yi word pattern, cross, rice font screwdriver bit, the size of screwdriver bit is also different, these screwdriver bits generally do not have the place of relative fixed placement, screwdriver bit is generally placed in a box body, during use, relevant screwdriver bit is taken out in the screwdriver bit jack of insertion electric screwdriver, that is each screwdriver bit and electric screwdriver are independent of each other, not only there is the possibility that screwdriver bit is easily lost, and fetch screwdriver bit inconvenience, each use also needs to be taken out by screwdriver bit with hand and insert screwdriver bit jack, screwdriver bit of taking is quite inconvenient, lose time, inefficiency.
In addition existing electric screwdriver can run in actual use the screw that will turn be positioned near metope or certain sidewall when, because the output shaft in existing electric screwdriver is arranged on the center position in housing forward end face, the screwdriver bit be arranged on output shaft may be made forward insertion cannot to turn screw because of the stop of electric screwdriver case head.
Summary of the invention
Technical problem to be solved in the utility model is the electric screwdriver providing a kind of screwdriver bit built-in for above-mentioned prior art present situation, and it is convenient that this screwdriver not only changes screwdriver bit, and screwdriver bit is not easy to lose.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of electric screwdriver of built-in screwdriver bit, comprise the motor be located in casing, be located in the output shaft of casing front end, it is polygon-shaped screwdriver bit jack that output shaft is provided with cross section, and the output of motor is in transmission connection by reduction gear box and output shaft, it is characterized in that: in described casing, constraint has the rotating disk that can rotate around own axes, dial portion manifests casing and rotates for people, rotating disk is circumferentially interval with the accommodating hole that multiple axis runs through, a screwdriver bit is equipped with in each accommodating hole, described screwdriver bit jack is the perforation axially running through output shaft, in described casing, also constraint has energy axial slip ground push rod, the front end of push rod is provided with the magnet that can hold screwdriver bit tail end, the reach of push rod can be inserted from described screwdriver bit jack rear end to promote the screwdriver bit in it, push rod is driven and slippage before and after energy by the push button be located on casing.
In said machine casing constraint have one can before and after the slide block of slippage, the rear end of described push rod is connected on this slide block, described push button to constrain on casing upper surface and can before and after slippage, the lower end of push button is stretched in casing and is connected to be with slippage before and after movable slider with described slide block.This structure is convenient to be formed between push button with push rod be connected quickly, is convenient to assembling.
The left and right sides of above-mentioned slide block has the convex guide part in side, and the left and right sides in described casing is provided with and matches and the chute arranged along the longitudinal direction with described guide part, and guide part is plugged in also can front and back slippage in chute.Coordinated with the guiding of chute by guide part, make slide block can reposefully before and after slippage.
The upper surface of above-mentioned slide block has inner fovea part, the bottom of described push button has annular wall, annular wall is inserted in inner fovea part, and be provided with in inner fovea part and act on push button and make push button keep moving the spring of trend, this spring is positioned at annular wall, the left and right sides of described casing Inner Front End is provided with the breach of the upper wall running through chute, under moving forward at push button band movable slider the state being pushed into by screwdriver bit and manifesting outside output shaft, described push button under the action of the spring on move and make the side of annular wall through this breach, the side of annular wall is by the backwall of breach simultaneously, pressing down push button can make the annular wall of push button move down, and make the side of annular wall be passed down through breach and be positioned at chute, in the whole process of slippage before and after push button band movable slider, the side of described annular wall is positioned at chute all the time.Aforementioned structure design designs especially for screwdriver service condition, when push button drives pushrod advances to expose duty to screwdriver bit, by the stop of breach rear wall to annular wall, when placement screwdriver bit is stressed, passively to return, and before and after push button band movable slider, sliding onto the built-in state of screwdriver bit, the side of annular wall is positioned at chute all the time, like this can promote pushrod advances at any time.
The bottom surface of above-mentioned inner fovea part has two and raises up and the spaced wall in left and right, and described annular wall is set in wall periphery, and described spring is between two walls; Wall not only provides installation position to spring, also plays effect of contraction to annular wall simultaneously, plays guide effect to moving up and down of push button.The upper surface of described casing be provided with between left and right every and upwards extended shelter wall, described push button is between two shelter wall.Because spring makes push button pop up in an initial condition, form gap, affect outward appearance between push button and casing, support shelter wall structure blocks gap, makes machine more professional attractive in appearance.
Being fixed with of above-mentioned slide block can with the elastic wire of slide block slippage, the left and right sides of elastic wire has the elastic portion taken the shape of the letter U be bent to form, elastic portion exposes outside the side of slide block, the left and right sides in described casing is equipped with the front bayonet slot and rear draw-in groove that match with corresponding elastic portion, front bayonet slot and rear draw-in groove are arranged along time interval, under moving forward at push button band movable slider the state being pushed into by screwdriver bit and manifesting outside output shaft, described elastic portion snaps in front bayonet slot, move to the state being returned to by screwdriver bit and being hidden in output shaft after push button band movable slider under, described elastic portion snaps in rear draw-in groove.When color-changing lamp is in replaceable screwdriver bit state, by the clamping matching of elastic wire Elastic portion and draw-in groove, the rotating disk preventing from push button from surprisingly moving ahead causing cannot rotation situation occur, also increases the feel that push button promotes simultaneously, has position indicating effect.
Rotate rotating disk for convenience, the anterior left and right sides of said machine casing has the side window revealed for rotating disk, rotating disk screwdriver model to be used is positioned at for directly observing, the front portion of described rotating disk periphery wall has multiple notch, each notch communicates with accommodating hole one_to_one corresponding and with the front portion of accommodating hole, to make the head of screwdriver bit reveal, the end face of described casing has the observation window of the screwdriver bit manifested, and observation window is provided with transparent panel.
Above-mentioned output shaft eccentric setting is also near the upper edge of the front end face of casing, and output shaft is bearing in casing by bearing holder (housing, cover), is in transmission connection between the output of described reduction gear box and the rear end of output shaft by driving gear set.The upper edge of the front end face due to output shaft eccentric setting and near casing, spacing between output shaft and casing front edge is few, during operation, the casing front edge of close output shaft and barrier (as wall) are positioned at homonymy, can the site area interfered with barrier be reduced, make this electric screwdriver be applicable to operating near barrier.
Above-mentioned driving gear set comprises driving gear, the first driven gear and the second driven gear, described driving gear is located on the output of reduction gear box, the rear end of output shaft is located at by first driven gear, described second driven gear engages with driving gear and the first driven gear transmission simultaneously, and the second driven gear is located on described bearing holder (housing, cover).Certain driven gear also can only have one.
For convenience of the installation of rotating disk, the front portion of above-mentioned reduction gear box has the installation portion extended forward, and described rotating disk is set on this installation portion.
Compared with prior art, the utility model has the advantage of: screwdriver bit is built in screwdriver, not easily loses, need to change screwdriver bit and only need rotate rotating disk, when the screwdriver bit in certain accommodating hole on rotating disk is aimed at after push rod, promote push button, the screwdriver bit needed just can be released and use by push rod, after being used to complete, only oppositely need promote push button, push button moves after driving push rod, screwdriver bit is owing to being attracted to the front end of push rod, just by screwdriver bit again retraction accommodating hole, wait for that next time is changed, therefore screwdriver bit can be changed conveniently.
Accompanying drawing explanation
Fig. 1 is the perspective view (screwdriver bit exposes) of the utility model embodiment;
Fig. 2 is the sectional view (screwdriver bit exposes) of the utility model embodiment;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is the schematic perspective view (screwdriver bit exposes) that the utility model embodiment removes half casing;
Fig. 5 is the perspective view (screwdriver bit is built-in) of the utility model embodiment;
Fig. 6 is the sectional view (screwdriver bit is built-in) of the utility model embodiment;
Fig. 7 is the schematic perspective view of the utility model embodiment half casing
Fig. 8 is the state decomposition figure that the utility model embodiment rotating disk is installed on reduction gear box;
Fig. 9 is the installment state exploded view of the utility model embodiment push rod, slide block and push button.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Fig. 1 ~ 8, it is a preferred embodiment of the present utility model.
A kind of electric screwdriver of built-in screwdriver bit, comprise the motor 2 be located in casing 1, be located in the output shaft 6 of casing 1 front end, it is polygon-shaped screwdriver bit jack 61 that output shaft 6 is provided with cross section, and the output of motor 2 is in transmission connection by reduction gear box 3 and output shaft 4.
In casing 1, constraint has the rotating disk 5 that can rotate around own axes, and the front portion of reduction gear box 3 has the installation portion 31 extended forward, and rotating disk 5 is movably set on this installation portion 31.Rotating disk 5 part manifests casing 1 and rotates for people, the anterior left and right sides of casing 1 has the side window 15 revealed for rotating disk 5, rotating disk 5 is circumferentially interval with the accommodating hole 51 that multiple axis runs through, a screwdriver bit 4 is equipped with in each accommodating hole 51, screwdriver bit jack 61 is the perforation axially running through output shaft, the front portion of rotating disk 5 periphery wall has multiple notch 52, each notch 52 is with accommodating hole 51 one_to_one corresponding and communicate with the front portion of accommodating hole 51, reveal to make the head of screwdriver bit 4, the end face of casing 1 has the observation window 16 of the screwdriver bit manifested, observation window 16 is provided with transparent panel 17.
In casing 1, also constraint has energy axial slip ground push rod 7, in casing 1, constraint has the slide block 9 of slippage before and after an energy, the left and right sides of slide block 9 has the convex guide part in side 91, the left and right sides in casing 1 is provided with and matches and the chute 11 arranged along the longitudinal direction with guide part 91, and guide part 91 is plugged in also can front and back slippage in chute 11.The rear end of push rod 7 is connected on this slide block 9, the front end of push rod 7 is provided with the magnet 71 that can hold screwdriver bit 4 tail end, the reach of push rod 7 can be inserted from screwdriver bit jack 61 rear end to promote the screwdriver bit 4 in it, and push rod 7 is driven by the push button 8 be located on casing 1 and slippage before and after energy.Push button 8 constrains in also energy front and back slippage on casing 1 upper surface, and the lower end of push button 8 is stretched in casing 1 and is connected to be with slippage before and after movable slider 9 with slide block 9.
The upper surface of slide block 9 has inner fovea part 92, the bottom of push button 8 has annular wall 81, annular wall 81 is inserted in inner fovea part 92, and be provided with in inner fovea part 92 and act on push button 8 and make push button 8 keep moving the spring 10 of trend, this spring 10 is positioned at annular wall 81, the left and right sides of casing 1 Inner Front End is provided with the breach 12 of the upper wall running through chute 11, under push button 8 to move forward to movable slider 9 screwdriver bit 4 is pushed into the state manifested outside output shaft 6, push button 8 under spring 10 acts on move and make the side of annular wall 81 through this breach 12, the side of annular wall 81 is by the backwall of breach 12 simultaneously, pressing down push button 8 can make the annular wall 81 of push button move down, and make the side of annular wall 81 be passed down through breach 12 and be positioned at chute 11, in the whole process of push button 8 with slippage before and after movable slider 9, the side of annular wall 81 is positioned at chute 11 all the time.
The bottom surface of inner fovea part 92 has two and raises up and the spaced wall 921 in left and right, and annular wall 81 is set in wall 921 periphery, and spring 10 is between two walls 921; The upper surface of casing 1 be provided with between left and right every and upwards extended shelter wall 13, push button 8 is between two shelter wall 13.
Being fixed with of slide block 9 can with the elastic wire 93 of slide block 9 slippage, the left and right sides of elastic wire 93 has the elastic portion 931 taken the shape of the letter U be bent to form, elastic portion 931 exposes outside the side of slide block 9, the left and right sides in casing 1 is equipped with the front bayonet slot 13 and rear draw-in groove 14 that match with corresponding elastic portion 931, front bayonet slot 13 and rear draw-in groove 14 are arranged along time interval, under push button 8 to move forward to movable slider 9 screwdriver bit 4 is pushed into the state manifested outside output shaft 6, elastic portion 931 snaps in front bayonet slot 13, move under screwdriver bit 4 is returned to the state be hidden in output shaft 6 after push button 8 is with movable slider 9, elastic portion 931 snaps in rear draw-in groove 14.
Output shaft 6 eccentric setting is also near the upper edge of the front end face of casing 1, and output shaft 6 is bearing in casing by bearing holder (housing, cover) 21, is in transmission connection between the output of reduction gear box 3 and the rear end of output shaft 6 by driving gear set.
Driving gear set comprises driving gear 18, first driven gear 19 and the second driven gear 20, driving gear 18 is located on the output of reduction gear box 3, the rear end of output shaft 6 is located at by first driven gear 19, second driven gear 20 engages with driving gear 18 and the first driven gear 19 transmission simultaneously, and the second driven gear 20 is located on bearing holder (housing, cover) 21.
The screwdriver bit 4 of various different model or size is placed in the accommodating hole 51 of rotating disk 5 respectively, and rotating disk 5 is built in screwdriver, not easily loses.As shown in figures 1-4, need to change screwdriver bit and only need rotate rotating disk 5, after the screwdriver bit 4 in certain accommodating hole 51 on rotating disk 5 aims at push rod 7, driven forward push button 8, push button 8 drives push rod 7 to move forward by slide block 9 just can release use by the screwdriver bit 4 of needs, after promotion puts in place, push button 8 under spring 10 acts on move and make the side of annular wall 81 through this breach 12, the side of annular wall 81 is by the backwall of breach 12 simultaneously; As shown in Figure 5,6, after being used to complete, only need pressing down and oppositely promote push button 8, push button 8 moves after driving push rod 7 by slide block 9, and screwdriver bit 4, just can by screwdriver bit 4 again retraction accommodating hole 51 owing to being attracted to the front end of push rod 7, wait for that next time is changed, therefore screwdriver bit is changed conveniently.
Claims (10)
1. the electric screwdriver of a built-in screwdriver bit, comprise the motor (2) be located in casing (1), be located in the output shaft (6) of casing (1) front end, it is polygon-shaped screwdriver bit jack (61) that output shaft (6) is provided with cross section, and the output of motor (2) is in transmission connection by reduction gear box (3) and output shaft (4), it is characterized in that: in described casing (1), constraint has the rotating disk (5) that can rotate around own axes, rotating disk (5) part manifests casing (1) and rotates for people, rotating disk (5) is circumferentially interval with the accommodating hole (51) that multiple axis runs through, a screwdriver bit (4) is equipped with in each accommodating hole (51), described screwdriver bit jack (61) is the perforation axially running through output shaft, in described casing (1), also constraint has energy axial slip ground push rod (7), the front end of push rod (7) is provided with the magnet (71) that can hold screwdriver bit (4) tail end, the reach of push rod (7) can be inserted from described screwdriver bit jack (61) rear end to promote the screwdriver bit (4) in it, push rod (7) is driven and slippage before and after energy by the push button (8) be located on casing (1).
2. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: in described casing (1), constraint has the slide block (9) of slippage before and after an energy, the rear end of described push rod (7) is connected on this slide block (9), described push button (8) constrains in also energy front and back slippage on casing (1) upper surface, and the lower end of push button (8) is stretched in casing (1) and is connected to be with slippage before and after movable slider (9) with described slide block (9).
3. the electric screwdriver of built-in screwdriver bit according to claim 2, it is characterized in that: the left and right sides of described slide block (9) has the convex guide part in side (91), the left and right sides in described casing (1) is provided with and matches and the chute (11) arranged along the longitudinal direction with described guide part (91), and guide part (91) is plugged in also can front and back slippage in chute (11).
4. the electric screwdriver of built-in screwdriver bit according to claim 3, it is characterized in that: the upper surface of described slide block (9) has inner fovea part (92), the bottom of described push button (8) has annular wall (81), annular wall (81) is inserted in inner fovea part (92), and be provided with in inner fovea part (92) and act on push button (8) and the spring (10) making push button (8) maintenance moves trend, this spring (10) is positioned at annular wall (81), the left and right sides of described casing (1) Inner Front End is provided with the breach (12) of the upper wall running through chute (11), under push button (8) band movable slider (9) moves forward to and to be pushed into by screwdriver bit (4) and to manifest output shaft (6) state outward, described push button (8) moves and makes the side of annular wall (81) pass this breach (12) on spring (10) effect is lower, the side of annular wall (81) is by the backwall of breach (12) simultaneously, pressing down push button (8) can make the annular wall of push button (81) move down, and make the side of annular wall (81) be passed down through breach (12) and be positioned at chute (11), in the whole process of slippage before and after push button (8) band movable slider (9), the side of described annular wall (81) is positioned at chute (11) all the time.
5. the electric screwdriver of built-in screwdriver bit according to claim 4, it is characterized in that: the bottom surface of described inner fovea part (92) has two and raises up and the spaced wall in left and right (921), described annular wall (81) is set in wall (921) periphery, and described spring (10) is positioned between two walls (921); The upper surface of described casing (1) be provided with between left and right every and upwards extended shelter wall (13), described push button (8) is positioned between two shelter wall (13).
6. the electric screwdriver of built-in screwdriver bit according to claim 2, it is characterized in that: being fixed with of described slide block (9) can with the elastic wire (93) of slide block (9) slippage, the left and right sides of elastic wire (93) has the elastic portion (931) taken the shape of the letter U be bent to form, elastic portion (931) exposes outside the side of slide block (9), the left and right sides in described casing (1) is equipped with the front bayonet slot (13) and rear draw-in groove (14) that match with corresponding elastic portion (931), front bayonet slot (13) and rear draw-in groove (14) are arranged along time interval, under push button (8) band movable slider (9) moves forward to and to be pushed into by screwdriver bit (4) and to manifest output shaft (6) state outward, described elastic portion (931) snaps in front bayonet slot (13), move under screwdriver bit (4) is returned to the state be hidden in output shaft (6) after push button (8) band movable slider (9), described elastic portion (931) snaps in rear draw-in groove (14).
7. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: the anterior left and right sides of described casing (1) has the side window (15) revealed for rotating disk (5), the front portion of described rotating disk (5) periphery wall has multiple notch (52), each notch (52) is with accommodating hole (51) one_to_one corresponding and communicate with the front portion of accommodating hole (51), reveal to make the head of screwdriver bit (4), the end face of described casing (1) has the observation window (16) of the screwdriver bit manifested, observation window (16) is provided with transparent panel (17).
8. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: described output shaft (6) eccentric setting is also near the upper edge of the front end face of casing (1), output shaft (6) is bearing in casing by bearing holder (housing, cover) (21), is in transmission connection between the output of described reduction gear box (3) and the rear end of output shaft (6) by driving gear set.
9. the electric screwdriver of built-in screwdriver bit according to claim 8, it is characterized in that: described driving gear set comprises driving gear (18), first driven gear (19) and the second driven gear (20), described driving gear (18) is located on the output of reduction gear box (3), the rear end of output shaft (6) is located at by first driven gear (19), described second driven gear (20) is engaged with driving gear (18) and the first driven gear (19) transmission simultaneously, second driven gear (20) is located on described bearing holder (housing, cover) (21).
10. according to the electric screwdriver of the arbitrary described built-in screwdriver bit of claim 1 ~ 9, it is characterized in that: the front portion of described reduction gear box (3) has the installation portion (31) extended forward, and described rotating disk (5) is set on this installation portion (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824942.7U CN204450367U (en) | 2014-12-23 | 2014-12-23 | The electric screwdriver of built-in screwdriver bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824942.7U CN204450367U (en) | 2014-12-23 | 2014-12-23 | The electric screwdriver of built-in screwdriver bit |
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| Publication Number | Publication Date |
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| CN204450367U true CN204450367U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420824942.7U Active CN204450367U (en) | 2014-12-23 | 2014-12-23 | The electric screwdriver of built-in screwdriver bit |
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Cited By (7)
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| CN108637655A (en) * | 2018-05-15 | 2018-10-12 | 张晓锋 | A kind of electric power distributing cabinet intelligence mounter people |
| CN108857383A (en) * | 2018-06-26 | 2018-11-23 | 九江职业技术学院 | Full-automatic fitting assembles intelligent production line |
| CN109159067A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | The push-and-pull pipe structure of gun-type screw wrenching tool |
| CN109176379A (en) * | 2018-10-30 | 2019-01-11 | 淮阴工学院 | Quick-replaceable gun-type screw wrenching tool |
| CN109176380A (en) * | 2018-10-30 | 2019-01-11 | 淮阴工学院 | The replacement system of gun-type screw wrenching tool |
| CN113752207A (en) * | 2021-09-26 | 2021-12-07 | 赣州东美贸易有限公司 | New energy automobile maintains with quick replacement criticize hair style screwdriver |
| EP4389359A1 (en) * | 2022-12-19 | 2024-06-26 | Robert Bosch GmbH | Hand-held machine tool |
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- 2014-12-23 CN CN201420824942.7U patent/CN204450367U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108637655A (en) * | 2018-05-15 | 2018-10-12 | 张晓锋 | A kind of electric power distributing cabinet intelligence mounter people |
| CN108637655B (en) * | 2018-05-15 | 2019-12-13 | 中通服节能技术服务有限公司 | Intelligent assembling robot for power distribution cabinet |
| CN108857383A (en) * | 2018-06-26 | 2018-11-23 | 九江职业技术学院 | Full-automatic fitting assembles intelligent production line |
| CN109159067A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | The push-and-pull pipe structure of gun-type screw wrenching tool |
| CN109176379A (en) * | 2018-10-30 | 2019-01-11 | 淮阴工学院 | Quick-replaceable gun-type screw wrenching tool |
| CN109176380A (en) * | 2018-10-30 | 2019-01-11 | 淮阴工学院 | The replacement system of gun-type screw wrenching tool |
| CN109159067B (en) * | 2018-10-30 | 2019-07-23 | 淮阴工学院 | The push-and-pull pipe structure of gun-type screw wrenching tool |
| CN109176380B (en) * | 2018-10-30 | 2019-07-23 | 淮阴工学院 | The replacement system of gun-type screw wrenching tool |
| WO2020087741A1 (en) * | 2018-10-30 | 2020-05-07 | 淮阴工学院 | Quick-replacement gun type bolt tightening device |
| CN113752207A (en) * | 2021-09-26 | 2021-12-07 | 赣州东美贸易有限公司 | New energy automobile maintains with quick replacement criticize hair style screwdriver |
| CN113752207B (en) * | 2021-09-26 | 2022-12-20 | 佛山市美易佳五金塑料制品有限公司 | New energy automobile maintains with quick replacement batch hair style screwdriver |
| EP4389359A1 (en) * | 2022-12-19 | 2024-06-26 | Robert Bosch GmbH | Hand-held machine tool |
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