CN104117710B - Drill kind tool - Google Patents
Drill kind tool Download PDFInfo
- Publication number
- CN104117710B CN104117710B CN201310143002.1A CN201310143002A CN104117710B CN 104117710 B CN104117710 B CN 104117710B CN 201310143002 A CN201310143002 A CN 201310143002A CN 104117710 B CN104117710 B CN 104117710B
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- CN
- China
- Prior art keywords
- main shaft
- kind tool
- drill kind
- bearing
- bracing ring
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention provides a kind of drill kind tool, and it includes：Casing, exports the motor of rotary motion in casing, and at least one set of epicyclic train of transmission motor output is driven the main shaft of rotation, the chuck on the main shaft, fore bearing and rear bearing for supports main shaft by least one set of epicyclic train；At least one set of epicyclic train includes planetary gear and the planet carrier for supporting planetary gear, fore bearing is supported on main shaft near the side of chuck, bracing ring, bracing ring and the circumferentially fixed connection of main shaft are provided between planetary gear and planet carrier, rear bearing is at least partly supported on bracing ring.Fore bearing, rear bearing are both supported upon the mode on main shaft respectively relative to conventional drill kind tool, the drill kind tool shortens the length of the drill kind tool due to the adjustment of position of bearings, the drill kind tool is had the advantages that small volume.
Description
Technical field
The present invention relates to a kind of power tool, more particularly to a kind of drill kind tool.
Background technology
Drill kind tool provides rotary power generally by motor, deceleration transmission is carried out by planetary gear, by main shaft
The chuck for being delivered to drill kind tool will be rotated.Suitable accessory can be installed on the chuck of drill kind tool to realize required work(
Energy.
Bearing is generally secured on the main shaft of drill kind tool, bearing can play good position-limiting action so that main shaft can
Preferably rotated.In order that main shaft rotation is more stable, two bearings are generally fitted with the main shaft of drill kind tool.This
Two bearings carry out supports main shaft at a distance.If the two bearings are separated by a distance too near, main shaft is rocked when rotated
Will be more severe, thus the main shaft of drill kind tool be typically designed it is long, the two bearings are directly anchored to the two of main shaft
Hold to prevent main shaft from acutely rocking when rotated.And such design may increase the length of main shaft, so as to cause to bore class work
The length of tool increases, and volume becomes big.
The content of the invention
Based on this, it is necessary to provide a kind of drill kind tool of small volume.
A kind of drill kind tool, including：Casing, exports the motor of rotary motion in casing, and the output of transmission motor is extremely
Few one group of epicyclic train, the main shaft of rotation, the folder on the main shaft are driven by least one set of epicyclic train
Head, fore bearing and rear bearing for supports main shaft；At least one set of epicyclic train includes planetary gear and for supporting
The planet carrier of planetary gear, the fore bearing is supported on the main shaft near the side of chuck, the planetary gear and planet carrier it
Between be provided with bracing ring, the bracing ring and the circumferentially fixed connection of the main shaft, the rear bearing is at least partly supported on the branch
On support ring.
Wherein in one embodiment, the rear bearing partly overlaps vertically with the planet carrier.
Wherein in one embodiment, self-locking mechanism is provided between the fore bearing and rear bearing, the self-locking mechanism is used
In by the rotary power unidirectional delivery of motor, to main shaft, the self-locking mechanism includes being connected with least one set of epicyclic train
And for driving the transfer panel of the main shaft, the fixed disk that relatively described casing is fixedly connected, for connect the transfer panel and
Fixed disk realizes the intermediate transfer mechanism of single-direction transmission.
Wherein in one embodiment, a side ring surface of the planet carrier is provided with the pin for installing the planetary gear
Axle, the bearing pin is through the bracing ring and the bearing pin is provided with gap with bracing ring along the direction of rotation of planet carrier.
Wherein in one embodiment, the anchor ring of the bracing ring is provided with mounting hole, and the bearing pin passes through the kidney-shaped
Hole.
Wherein in one embodiment, the bearing pin is five with the quantity of the mounting hole.
Wherein in one embodiment, the epicyclic train includes multiple planetary gears and planet carrier, and the bracing ring sets
Put between the planetary gear and planet carrier nearest apart from chuck.
Wherein in one embodiment, the drill kind tool also includes the battery being fixed on casing.
Wherein in one embodiment, the drill kind tool also includes the spacing collar that limitation fore bearing is slided along main shaft, institute
State main shaft and be provided with stopper slot, the spacing collar is fixed in the stopper slot.
At least partly be supported on rear bearing on the bracing ring between planetary gear and planet carrier by above-mentioned drill kind tool, so after
The position of bearing is moved to motor direction, and fore bearing is all supported on into master with rear bearing respectively relative to conventional drill kind tool
Mode on axle, the drill kind tool shortens the length of main shaft in the case of can acutely not rocked when ensureing that main shaft rotates, from
And shorten the length of the drill kind tool, make the drill kind tool that there is small volume.
Brief description of the drawings
Fig. 1 is the drill kind tool schematic diagram of one embodiment；
Fig. 2 is drill kind tool part explosive view shown in Fig. 1；
Fig. 3 is sectional view of the drill kind tool shown in Fig. 1 along line A-A；
Fig. 4 is sectional view of the drill kind tool shown in Fig. 1 along line B-B；
Fig. 5 is sectional view of the drill kind tool shown in Fig. 1 along line C-C.
The motor 120 of 100 casing of drill kind tool 110
The handle 160 of 140 chuck of main shaft 150
The planetary gear 132 of 170 motor shaft of battery 122 first
The planet carrier 138 of first planet carrier, 134 second planetary gear 136 second
The leg 133a of 131 the third line carrier of the third line star-wheel 133
Bearing 144 after bearing pin 133b fore bearings 142
The mounting hole 146a transfer panels 148 of bracing ring 146
The fixed disk 143 of spline tooth 148a flower-shapes tooth 141
The stopper slot 149 of 145 roller of spacing collar 147
Trigger 162
Specific embodiment
Fig. 1 and Fig. 2 is refer to, one embodiment provides a kind of drill kind tool 100.The drill kind tool 100 includes casing
110th, motor 120, epicyclic train, main shaft 140, chuck 150, handle 160 and battery 170.Casing 110 is by symmetrical two
Individual half shell is closed up by screw and is assembled.Casing 110 is as shown in Figure 1 with horizontal component and vertical portion two parts,
Wherein horizontal component inside is equipped with parts such as motor 120, at least one set of epicyclic train, main shafts 140.Vertical portion forms handle
160, it is internally provided with controlling circuit.Handle 160 is provided with trigger 162, and trigger 162 can be used for controlling the drill kind tool
100 work.Battery 170 is connected with the afterbody of handle 160.Battery 170 herein is lithium ion battery, in other embodiments
In, battery 170 can also be the suitable battery such as nickel-cadmium cell, Ni-MH battery.
Motor 120 in casing 110 is mainly used in exporting rotary motion, and the output of motor 120 is by epicyclic train
Transmission can reach main shaft 140, and such epicyclic train is achieved that the rotation of drive shaft 140.Folder is installed on main shaft 140
First 150, suitable drill bit can be installed as needed on chuck 150, when main shaft 140 is when rotarily driving the rotation of chuck 150, peace
Drill bit on chuck 150 is also achieved that rotation.
Fore bearing 142 and rear bearing 144 are additionally provided with casing 110.Epicyclic train includes at least one planet carrier.Herein
The number of planet carrier be three, these three planet carriers along the direction of main shaft 140 from away from the one end of chuck 150 near chuck 150
One end is followed successively by the first planet carrier 134, the second planet carrier 138 and the third line carrier 133.These three planet carriers are also respectively to that should have
One group of planetary gear, respectively the first planetary gear 132, the second planetary gear 136 and the third line star-wheel 131.Fore bearing 142 is supported on master
Near the side of chuck 150 on axle 140, the outer ring of rear bearing 144 is fixed on casing 110.
Fig. 2 and Fig. 3 is refer to, in this embodiment, support is provided between the third line star-wheel 131 and the third line carrier 133
Circle 146, i.e. bracing ring 146 are arranged between planetary gear and the planet carrier nearest apart from chuck 150.Bracing ring 146 and main shaft 140
Circumferentially fixed connection, rear bearing 144 is partially supported upon on bracing ring 146.Specifically, the part branch of the inner ring of rear bearing 144
On bracing ring 146, another part partly overlaps vertically with the third line carrier 133 for support, that is to say, that the part frame of bearing 144 afterwards
Sky is in the third line carrier 133.Certainly, rear bearing 144 can also be maked somebody a mere figurehead in the third line star-wheel 131 or other suitable parts
On.One side ring surface of the third line carrier 133 is provided with the bearing pin 133b for installing the third line star-wheel 131, the anchor ring of opposite side
It is provided with leg 133a.Bearing pin 133b passes through bracing ring 146 and bearing pin 133b and bracing ring 146 are along the third line carrier 133
Direction of rotation is provided with gap.The anchor ring of bracing ring 146 is provided with mounting hole 146a.Bearing pin 133b is equal with the quantity of mounting hole 146a
It is five.Bearing pin 133b passes through mounting hole 146a.Have certain when so the third line carrier 133 can be rotated with relative support circle 146
Surplus, mounting hole 146a therefore have certain cushioning effect.Certainly, by appropriate adjustment, bracing ring 146 can also be consolidated
It is scheduled between the second planet carrier 138 and the second planetary gear 136, an inner ring part for rear bearing 144 is maked somebody a mere figurehead in the second planet carrier 138
On, another part is supported on bracing ring 146.It is not limited herein.
Fig. 2 and Fig. 4 is refer to, self-locking mechanism is provided between the fore bearing 142 and rear bearing 144 of the drill kind tool 100.Should
Self-locking mechanism is used for the rotary power unidirectional delivery of motor 120 to main shaft 140.The self-locking mechanism includes and at least one set of planet
Gear train is connected and for the transfer panel 148 of drive shaft 140, with respect to the fixed disk 143 that casing 110 is fixedly connected, for even
Connect transfer panel 148 and fixed disk 143 realizes the intermediate transfer mechanism of single-direction transmission.
Specifically, the intermediate transfer mechanism of the drill kind tool 100 includes the branch being fixed on the side of the third line carrier 133
Pin 133a and the roller 147 being provided between leg 133a, transfer panel 148 and fixed disk 143.The third line carrier 133 is by switching
Disk 148 is supported on main shaft 140, and will rotate output to main shaft 140.There is flower-shape tooth 141 on main shaft 140, transfer panel 148
Centre bore is engaged for flower-shape hole with the flower-shape tooth 141 with main shaft 140.Transfer panel 148 has spline tooth 148a, the third line carrier
There is the groove being engaged with spline tooth 148 on the disc of 133 centre bore.The spline tooth 148a of transfer panel 148 is located at the 3rd
In the groove of planet carrier 133, so, the third line carrier 133 just can pass to transfer panel 148 in rotation, and transfer panel 148 can enter one
Step transmits the rotation to main shaft 140.
Fig. 2 and 5 is refer to, the fixed disk 143 of the drill kind tool 100 is fixed on casing 110, and fixed disk 143 is relative to machine
Shell 110 is not moved.Leg 133a in the third line carrier 133 is arranged in fixed disk 143, outside transfer panel 148.Leg
Space cooperation is between 133a and fixed disk 143 and transfer panel 148.That is, leg 133a can be in fixed disk 143
Rotated along the inner headed face of fixed disk 143.Roller 147 is additionally provided between fixed disk 143 and transfer panel 148, these rollers 147 are set
The space for allowing roller 147 to roll is reserved between two leg 133a, and between any two leg 133a.But rolling
Post 147 can not be rolled to another leg 133a from a leg 133a, because between fixed disk 143 and transfer panel 148
Space be diminishing to another leg 133a from a leg 133a.That is fixed disk 143 and transfer panel 148
Between space formed carve face.
When trigger 162 is pressed, planetary gear, planet that motor 120 will be driven in epicyclic train by motor shaft 122
Frame etc. rotates.Movement output is gone out by the third line carrier 133 finally.The third line carrier 133 is relative to pass through spline tooth with it
The transfer panel 148 that 148a coordinates turns over certain angle, and the leg 133a in the third line carrier 133 will be with the third line carrier 133
Turn over certain angle.Wherein, after leg 133a turns an angle, it will be resisted against on roller 147.Due to roller 147 from
What the space between fixed disk 143 and transfer panel 148 was formed carves the small end in face to big end motion, so roller 147 can be by the 3rd
The leg 133a of planet carrier 133 is promoted, so as to follow the third line carrier 133 to rotate, until on the centre bore of the third line carrier 133
Groove and transfer panel 148 on spline tooth 148a lean (refer to Fig. 4), at this moment the third line carrier 133 will drive and transfer
Disk 148 is rotated together.Transfer panel 148 will be further driven to main shaft 140 and rotate.Finally chuck 150 is driven to rotate by main shaft 140.
During defined herein 100 normal work of drill kind tool the direction of rotation of chuck 150 be positive direction, chuck 150 along
The direction when reverse direction of positive direction rotates is opposite direction.When trigger 162 unclamps, the drill kind tool 100 will be exported no longer
Rotary motion.If now chuck 150 rotates a certain angle along opposite direction, main shaft 140 also will rotate one with chuck 150
Fixed angle.The transfer panel 148 being fixed on main shaft 140 also will produce corresponding rotation with main shaft 140.Roller now
147 by 100 normal work of drill kind tool when the opposite direction of the direction of motion move.Due to roller 147 from the He of fixed disk 143
The big end in what space between transfer panel 148 was formed carve face to small end motion, fixed disk 143, transfer panel 148 and roller 147 it
Between will be produced so as to reach mutual without motion by jam-packed.Because fixed disk 143 is integrally fixed on casing 110, main shaft 140
Can not be further continued for being rotated along this direction, i.e., main shaft 140 has carried out automatic locking, while transfer panel 148 will can not also revolve
Transhipment is dynamic to pass to the third line carrier 133.Due to the setting of automatic locking structure, operator can select manual rotation, so
Can be operated manually when being installed on chuck 150 when corresponding screwdriver carries out the turn of the screw.It is particularly suited for when the brill class work
When screw is screwed onto situation substantially in place by tool 100, can select to turn off the drill kind tool 100, be operated manually.So may be used
Screw is caused to slide tooth to avoid the drill kind tool 100 from occurring twisting using electronic the turn of the screw.
Fig. 2 is refer to, the drill kind tool 100 also includes the spacing collar 145 that limitation fore bearing 142 is slided along main shaft 140.It is main
Axle 140 is provided with stopper slot 149, and spacing collar 145 is fixed in stopper slot 149.So, when fore bearing 142 is fixed on into main shaft
When on 140, spacing collar 145 is engaged with stopper slot 149 it is prevented that fore bearing 142 is slided along main shaft.
The part of rear bearing 144 is maked somebody a mere figurehead and bracing ring 146 is partially supported upon in the third line carrier 133 by the drill kind tool 100,
The third line carrier 133 is indirectly supported on main shaft 140 by transfer panel 148, and bracing ring 146 is supported directly on main shaft 140.
Fore bearing 142 and rear bearing 144 are both supported upon the mode on main shaft 140, the brill class respectively relative to conventional drill kind tool
Instrument 100 can save rear bearing 144 and the equitant part length of the third line carrier 133, so as to shorten the drill kind tool
100 length.In addition, the position of rear bearing 144 is moved to the direction of motor 120, so the drill kind tool 100 can ensure to lead
Axle 140 shortens the length of main shaft 140 in the case of not rocked acutely when rotating, so as to shorten the length of the drill kind tool 100.Cause
This, the drill kind tool 200 has the advantages that small volume.
Be supported on a rear bearing part on bracing ring by above-mentioned drill kind tool, and another part is built on stilts on other components, and
And the position of rear bearing is moved to motor direction, fore bearing and rear bearing are all propped up respectively relative to conventional drill kind tool
The mode on main shaft is supportted, the drill kind tool can save rear bearing and the equitant part length of other parts and shortening
The length of main shaft, so as to shorten the length of the drill kind tool, makes the drill kind tool have the advantages that small volume.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.
Claims (8)
1. a kind of drill kind tool, including：Casing, exports the motor of rotary motion in casing, and the output of transmission motor is at least
One group of epicyclic train, the main shaft rotated by least one set of epicyclic train driving, the chuck on the main shaft,
Fore bearing and rear bearing for supports main shaft；At least one set of epicyclic train includes planetary gear and for supporting row
The planet carrier of star-wheel, the fore bearing is supported on the main shaft near the side of chuck, it is characterised in that：The planetary gear and
Bracing ring, the bracing ring and the circumferentially fixed connection of the main shaft are provided between planet carrier, the rear bearing is at least partly supported
On the bracing ring, self-locking mechanism is provided between the fore bearing and rear bearing, the self-locking mechanism is used for the rotation of motor
To main shaft, the self-locking mechanism includes being connected and for driving with least one set of epicyclic train rotatory force unidirectional delivery
The transfer panel of main shaft is stated, the fixed disk that relatively described casing is fixedly connected realizes list for connecting the transfer panel and fixed disk
To the intermediate transfer mechanism of transmission.
2. drill kind tool according to claim 1, it is characterised in that：The rear bearing and the planet carrier part vertically
Overlap.
3. drill kind tool according to claim 1, it is characterised in that：One side ring surface of the planet carrier is provided with for pacifying
Fill the bearing pin of the planetary gear, the bearing pin through the bracing ring and the bearing pin and bracing ring along planet carrier rotation side
To being provided with gap.
4. drill kind tool according to claim 3, it is characterised in that：The anchor ring of the bracing ring is provided with mounting hole, institute
State bearing pin through the mounting hole.
5. drill kind tool according to claim 4, it is characterised in that：The bearing pin is five with the quantity of the mounting hole
It is individual.
6. drill kind tool according to claim 1, it is characterised in that：The epicyclic train includes multiple planetary gears and row
Carrier, the bracing ring is arranged between planetary gear and the planet carrier nearest apart from chuck.
7. drill kind tool according to claim 1, it is characterised in that：The drill kind tool also includes being fixed on casing
Battery.
8. the drill kind tool according to any claim in claim 1 to 7, it is characterised in that：The drill kind tool is also
Including the spacing collar that limitation fore bearing is slided along main shaft, the main shaft is provided with stopper slot, and the spacing collar is fixed on the limit
In the groove of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143002.1A CN104117710B (en) | 2013-04-23 | 2013-04-23 | Drill kind tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143002.1A CN104117710B (en) | 2013-04-23 | 2013-04-23 | Drill kind tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104117710A CN104117710A (en) | 2014-10-29 |
| CN104117710B true CN104117710B (en) | 2017-06-16 |
Family
ID=51763472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310143002.1A Active CN104117710B (en) | 2013-04-23 | 2013-04-23 | Drill kind tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104117710B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014222253A1 (en) * | 2014-10-31 | 2016-05-04 | Robert Bosch Gmbh | Hand machine tool device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201015864Y (en) * | 2007-02-26 | 2008-02-06 | 苏州宝时得电动工具有限公司 | Multifunctional percussion drilling |
| CN101147988A (en) * | 2006-09-14 | 2008-03-26 | Sp空气株式会社 | Spot weld drill |
| CN102126035A (en) * | 2010-01-14 | 2011-07-20 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN102310393A (en) * | 2010-07-02 | 2012-01-11 | 株式会社牧田 | Oil pulse rotary tool |
| CN102729221A (en) * | 2011-04-05 | 2012-10-17 | 株式会社牧田 | Percussion driver drill |
| CN102829161A (en) * | 2011-06-17 | 2012-12-19 | 株式会社牧田 | Electric power tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO111555B1 (en) * | 1995-12-12 | 2002-05-30 | Dumitru Panu-Misăilescu | Portable hand machine |
| DE102004044499B4 (en) * | 2004-09-15 | 2021-02-18 | Robert Bosch Gmbh | Hand machine tool, in particular drill and / or percussion hammer |
-
2013
- 2013-04-23 CN CN201310143002.1A patent/CN104117710B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147988A (en) * | 2006-09-14 | 2008-03-26 | Sp空气株式会社 | Spot weld drill |
| CN201015864Y (en) * | 2007-02-26 | 2008-02-06 | 苏州宝时得电动工具有限公司 | Multifunctional percussion drilling |
| CN102126035A (en) * | 2010-01-14 | 2011-07-20 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN102310393A (en) * | 2010-07-02 | 2012-01-11 | 株式会社牧田 | Oil pulse rotary tool |
| CN102729221A (en) * | 2011-04-05 | 2012-10-17 | 株式会社牧田 | Percussion driver drill |
| CN102829161A (en) * | 2011-06-17 | 2012-12-19 | 株式会社牧田 | Electric power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104117710A (en) | 2014-10-29 |
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