CN105437163B - Power tool for outputting torque and circumferential locking device thereof - Google Patents
Power tool for outputting torque and circumferential locking device thereof Download PDFInfo
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- CN105437163B CN105437163B CN201410308606.1A CN201410308606A CN105437163B CN 105437163 B CN105437163 B CN 105437163B CN 201410308606 A CN201410308606 A CN 201410308606A CN 105437163 B CN105437163 B CN 105437163B
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- tumbler
- locking piece
- locking device
- circumferential
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- 230000002093 peripheral effect Effects 0.000 claims description 39
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000002360 explosive Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The invention discloses a circumferential locking device, comprising: the axial position is fixed with a rotating part which can pivot by taking a first axis as a shaft, and a locking structure is arranged on the circumference of the rotating part; the circumferential locking means at least further comprise: the operating member has at least a first circumferential position in a circumferential direction at which the biasing member accumulates energy for biasing and a second circumferential position at which the energy accumulated by the biasing member is released. The invention also provides a power tool comprising the output torque of the circumferential locking device. The locking piece in the circumferential locking device of the invention can effectively lock or release the rotating piece.
Description
Technical field
The present invention relates to a kind of power tool, and in particular to a kind of power tool of output torque and its circumferential locking dress
Put.
Background technology
People wish that during using existing electric tool, on the one hand electric tool continuously can work, will
Electric tool is used as electric drill, on the other hand wishes the impact work that electric tool can be interrupted again, electric tool is made
To tighten screwdriver use.When staff needs ceaselessly to switch over work between punching and the turn of the screw, then
Need frequently to change electric tool, so not only cause work efficiency to reduce, but also have a strong impact on the use of electric tool
Life-span.For this purpose, people are badly in need of a kind of only same electric tool will being made to be used as electric drill by simple handover operation
Using can use as screwdriver is tightened again.But it is existing can again can be used as tightening the electronic work that screwdriver is used as electric drill
The switching device of tool, switching drill jig formula therein and screw batch mode often occurs stuck and causes what is normally can not switched to show
As.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of week that can effectively lock or discharge
To locking device.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of peripheral locking device, including：Axial location fixes the tumbler that can be pivoted with first axle as axle, tumbler
Circumference is provided with latch-up structure；Peripheral locking device at least also includes：Can match somebody with somebody with latch-up structure when axially move closer to tumbler
Close operating parts that the locking locking piece of tumbler, axial location fixed and can be rotated in predetermined angle as axle with first axle,
The bias assembly that locking piece makes which axially move closer to tumbler can be biased, operating parts at least makes bias group with one in the circumferential
Part puts aside first circumferential position and the second circumferential position for being released the energy of bias assembly savings of the energy for bias.
Further, component is pressed to include：Make locking piece that there is the forward bias component of the trend near tumbler, locking is made
Reverse biased component of the part with the trend away from tumbler, forward bias component, reverse biased component act on locking simultaneously
Part.
Further, locking piece is a securing rod parallel to axial direction, and securing rod includes：Bar portion and it is formed at bar portion
Stage casing simultaneously protrudes from the protuberance of bar portion in the circumferential；Forward bias component, reverse biased component are respectively positioned at the convex of securing rod
Go out the both sides in portion, and prop up protuberance.
Further, peripheral locking device also includes：One can limit extreme position of locking piece when near tumbler
Locating part, operating parts rotate when drive locating part produce away from tumbler axial movement, locating part at least have make locking
First axial location of part locking tumbler and the second axial location for making locking piece discharge tumbler.
Further, bias assembly makes locating part have the trend near tumbler by locking piece.
Further, locking piece is a securing rod parallel to axial direction, and securing rod includes：Bar portion and it is formed at bar portion
Stage casing simultaneously protrudes from the protuberance of bar portion in the circumferential；Bias assembly includes：It is sleeved in the bar portion of operating parts side simultaneously
Prop up the elastic component of protuberance.
Further, operating parts is a sleeve-shaped part, and its inner ring is formed with the axial direction to convex away from tumbler direction
The force-driven topology for going out；Locating part is an annular element, and which can be arranged on the inside of operating parts, and locating part is formed with the circumferential
The interior driving structure coordinated with force-driven topology, interior driving structure is near tumbler direction protrusion.
Further, locating part is formed with the circumferential and only supplies locking piece near the bar portion of tumbler side by spacing
Hole.
Further, peripheral locking device also includes：The fixed collar in one axial and circumferential position, collar are provided with fixed
Position hole, locking piece are arranged in location hole away from one end of tumbler；Elastic component props up collar.
Further, latch-up structure is the projection being upwardly formed in tumbler week.
The present invention also proposes a kind of power tool of output torque, including：Prime mover and the deceleration by prime mover driven
Mechanism, reducing gear at least include：Primary planet train, the power tool of output torque also include：Peripheral locking device；Rotate
Part is a ring gear in planet circular system.
The present invention also proposes a kind of power tool of output torque, including prime mover and the reductor by prime mover driven
Structure, reducing gear include a ring gear, and the power tool of output torque is also locked including the circumferential of a locking ring gear
Device, peripheral locking device include along first axle near ring gear when lock ring gear securing rod, bias securing rod bullet
Property part, the operating parts that can be circumferentially rotated, can limit locking piece near ring gear when extreme position locating part and fixation
The collar of operating parts, collar are provided with location hole.
Further, place kick is additionally provided between collar and operating parts, the side of place kick is contacted with collar, opposite side with
Operating parts is contacted.
Further, locking piece is a securing rod parallel to axial direction, and securing rod includes：Bar portion and it is formed at bar portion
Stage casing simultaneously protrudes from the protuberance of bar portion in the circumferential；Operating parts be a sleeve-shaped part, its inner ring be formed with the axial direction to
Away from the force-driven topology of ring gear direction protrusion；Locating part is an annular element, and which is formed with the circumferential and drives knot with outer
The interior driving structure that structure coordinates, locating part are also formed with what is only passed through for bar portion of the locking piece near ring gear side in the circumferential
Spacing hole；Elastic component props up collar
The invention has benefit that：Which is made axially move closer to rotation with locking piece can be biased in peripheral locking device
The bias assembly of part, can avoid locking piece be stuck when can not lock tumbler and cannot rotating operation part situation, so
When locking piece is stuck, operating parts remains able to free operation, and after tumbler is started working, locking piece then departs from what is blocked
Position, returns to normal condition, so as to the locking piece in the peripheral locking device of the present invention effectively can be locked or discharge
Tumbler.
Description of the drawings
Fig. 1 show the structural representation of the first embodiment of the peripheral locking device of the present invention；
Fig. 2 show the explosive view of the peripheral locking device in Fig. 1；
Fig. 3 show the structural representation that the locking piece in Fig. 2 locks tumbler；
Fig. 4 show the structural representation that the locking piece in Fig. 2 discharges tumbler；
Fig. 5 show the structural representation of the second embodiment of the peripheral locking device of the present invention；
Fig. 6 show the explosive view of the peripheral locking device in Fig. 5；
Fig. 7 show the structural representation of the operating parts in Fig. 6；
Fig. 8 show the structural representation of the locating part in Fig. 6；
Fig. 9 show the structure chart of the power tool of output torque of the present invention.
Specific embodiment
Make specific introduction to the present invention below in conjunction with the drawings and specific embodiments.
The present invention proposes a kind of peripheral locking device.Fig. 1 show the first embodiment of the peripheral locking device of the present invention
Structural representation；Fig. 2 show the explosive view of the peripheral locking device in Fig. 1.It is please with reference to Fig. 1 and Fig. 2, of the invention
Peripheral locking device 100 includes tumbler 110, locking piece 120, bias assembly 130 and operating parts 140, wherein, in operating parts
Under 140 operation, bias assembly 130 can put aside the energy put aside by the energy for biasing or release, so as to locking piece
120 can lock tumbler 110 or release tumbler 110.
Fig. 3 show the structural representation that the locking piece in Fig. 2 locks tumbler；The locking piece that Fig. 4 is shown in Fig. 2 is released
Put the structural representation of tumbler.Please with reference to Fig. 1 to Fig. 4：
Specifically, tumbler 110 has first axle, and which simultaneously can be pivoted by axle of first axle.In the present embodiment,
The first axle of tumbler 110 is the axis through its center, and axial location of the tumbler 110 on first axle direction is admittedly
Fixed, in other words tumbler 110 can not be moved forward and backward on first axle direction.Here define 110 its center of tumbler
The axis at place be first axle, the Y-axis in as Fig. 1 to Fig. 4, first axle be located direction and parallel to first axle
Direction be defined as axial direction, the circumferencial direction around first axle is circumferential, it should be noted that definition here is also suitable
In the second embodiment of the present invention.
Tumbler 110 is additionally provided with latch-up structure 111 in the circumference of its outer wall, and latch-up structure 111 is to be formed on its outer wall
Several are raised, several projections are evenly distributed in the circumference of 110 outer wall of tumbler, and each projection is to axially extend
List structure, the concrete shape of the list structure also matched with the concrete structure of locking piece 120.
Locking piece 120 when axially near tumbler 110 is coordinated with latch-up structure 111 and can lock the tumbler
110.Specifically, the locking piece 120 is a securing rod parallel to axial direction, and the securing rod includes bar portion 121 and protuberance
122, bar portion 121 is axially extended, and protuberance 122 is formed at 121 middle section of bar portion, and which protrudes the bar portion 121 in the circumferential.
Tumbler 110 can be locked when the male cooperation in the bar portion 121 and latch-up structure 111 of the locking piece 120.In the present embodiment
In, the bar portion 121 of locking piece 120 is a cylinder, in order to realize more preferable matching relationship, latch-up structure 111 with the cylinder
In each raised both sides side wall 111a for circular arc structure.
Bias assembly 130 can bias locking piece 120 makes which axially near tumbler 110, so as to work as locking piece 120
Tumbler 110 is locked when reaching at latch-up structure 111.In the present embodiment, bias assembly 130 includes forward bias component 131
With reverse biased component 132, the forward bias component 131 can make locking piece 120 have near tumbler 110 trend, which is
The helical spring being sleeved on the wherein side of securing rod protuberance 122, one end of the forward bias component 131 lie directly against convex
Go out portion 122, the other end can be compressed by operating parts 140；Reverse biased component 132 can make locking piece 120 with away from tumbler
110 trend, which is the helical spring being sleeved on the opposite side of securing rod protuberance 122, and the reverse biased component 132
One end lies directly against protuberance 122, and the other end props up tumbler 110, in other words forward bias component 131, reverse biased group
Part 132 is set in the bar portion 121 of the both sides of securing rod protuberance 122 and props up protuberance 122 such that it is able to while
Act on locking piece 120.In the present embodiment, by the cooperation of forward bias component 131 and reverse biased component 132
Realize locking piece 120 in the axial direction near tumbler 110 or away from tumbler 110.As the preferred version of the present invention, may be used also
To arrange the coefficient of stiffiness of the coefficient of stiffiness more than reverse biased component 132 of forward bias component 131, so, work as forward bias
In the presence of component 131 and reverse biased component 132 are subject to same pressure, 132 relative forward bias group of reverse biased component
Part 131 can produce bigger decrement, so that the direction movement that locking piece 120 is axially toward tumbler 110 is bigger
Distance.
Operating parts 140 can be rotated by axle of first axle, and its position in the axial direction is fixed.Operating parts 140 is with
One axis is that, during axle is rotated in the range of a predetermined angle, which at least has the first circumferential position and second in the circumferential
Circumferential position.When operating parts 140 is located at the first circumferential position, which puts aside can bias assembly 130 for the energy of bias；
When operating parts 140 is located at the second circumferential position, which is released can the energy of the savings of bias assembly 130.In the present embodiment
In, in order to operating parts 140 rotate in the circumferential positioned at the first circumferential position and the second circumferential position when, by this circumferentially rotate turn
Change the decrement of the axial direction of forward bias component 131 into, also one is provided between operating parts 140 and forward bias component 131
Individual auxiliary member 150, is provided with female thread 141 inside operating parts 140, auxiliary member 150 is provided with the external screw thread coordinated with female thread 141
151, the other end relative with 122 one end of protuberance is propped up of forward bias component 131 is set in arrange on auxiliary member 150 auxiliary
Help on bar 152.When rotating operation part 140, because the position in the axial direction of operating parts 140 is fixed, and in female thread 141 and outward
Under the cooperation of screw thread 151, auxiliary member 150 will be moved forward and backward in the axial direction such that it is able to compress forward bias component 131.
So as to, in the present embodiment, when operating parts 140 turns to the first circumferential position, auxiliary member 150 is near rotation
The direction movement of part 110, auxiliary member 150 make forward bias component 131 pressurized, on the compressing locking piece 120 of forward bias component 131
Protuberance 122, the compressing of protuberance 122 reverse biased component 132, it is preferred that because the coefficient of stiffiness of reverse biased component 132
Less than forward bias component 131, so as to be subject to same pressure condition in forward bias component 131 and reverse biased component 132
Under, the decrement that reverse biased component 132 is produced is more than the decrement that forward bias component 131 is produced such that it is able to so that convex
Go out 122 easier direction of portion to move near the direction of tumbler 110, that is to say locking piece 120 towards the direction of tumbler 110
It is mobile, and the position coordinated with latch-up structure 111 is moved to always, and then lock tumbler 110；When operating parts 140 is turned to
During the second circumferential position, auxiliary member 150 is moved to the direction away from tumbler 110, and forward bias component 131 is not stressed and extensive
Poised state is arrived again, and so in the presence of reverse biased component 132, locking piece 120 will be moved to the direction away from tumbler 110
It is dynamic, so as to tumbler 110 is released.
In the present embodiment, the protuberance 122 of locking piece 120 is respectively provided on two sides with forward bias component 131 and reversely
Bias assembly 132, and the coefficient of stiffiness of forward bias component 131 is more than the coefficient of stiffiness of reverse biased component 132 so that locking
Part 120 has the trend near tumbler 110 in the axial direction, therefore, even if when locking piece 120 is stuck, operating parts 140 is still
So freely can operate, when tumbler 110 is started working and rotated, locking piece 120 then departs from stuck position, returns to normal shape
State.
The invention allows for another kind of mode for realizing locking tumbler 110.
Fig. 5 show the structural representation of the second embodiment of the peripheral locking device of the present invention；Fig. 6 is shown in Fig. 5
Peripheral locking device explosive view.Please with reference to Fig. 5 and Fig. 6, in the present embodiment, peripheral locking device 100 ' is including turning
Moving part 110 ', locking piece 120 ', bias assembly 130 ' and operating parts 140 '.In the present embodiment, peripheral locking device 100 '
Also include locating part 160 ' and collar 170 '.
In the present embodiment, the structure of tumbler 110 ' is identical with the structure of the tumbler 110 in first embodiment, thereon
Be provided with latch-up structure 111 ', latch-up structure 111 ' includes that several are raised, the structure of locking piece 120 ' also with first embodiment in
Locking piece 120 structure it is identical, which includes bar portion 121 ' and protuberance 122 ', and concrete structure is repeated no more.It is main below to be situated between
The part continued in the present embodiment with first embodiment difference.
In the present embodiment, bias assembly 130 ' can bias locking piece 120 ' makes which along axis near tumbler
110 ', tumbler 110 ' is locked so as to work as when locking piece 120 ' reaches 111 ' place of latch-up structure.Bias assembly 130 ' is by locking
Part 120 ' can make locating part 160 ' with the trend near tumbler 110 ', and specifically, bias assembly 130 ' is elastic for one
Part 133 ', the elastic component 133 ' can be any flexible member that can bias locking piece 120 ', in the present embodiment, the elasticity
Part 133 ' is a helical spring, and elastic component 133 ' is sleeved on locking piece 120 ' in the bar portion 121 ' of 140 ' side of operating parts,
And prop up the protuberance 122 ' of locking piece 120 '.
Operating parts 140 ' can be rotated by axle of first axle, and its position in the axial direction is fixed.Operating parts 140 ' with
First axle is during axle is rotated in the range of the predetermined angle, and which at least has the first circumferential position and the in the circumferential
Two circumferential positions.When operating parts 140 ' is positioned at the first circumferential position, which puts aside can bias assembly 130 ' for bias
Energy；When operating parts 140 ' is positioned at the second circumferential position, which is released can the energy that bias assembly 130 ' is put aside.Fig. 7
The structural representation of the operating parts showing in Fig. 6.Fig. 7 is refer to, in the present embodiment, operating parts 140 ' is a sleeve-shaped
Part, forms a force-driven topology 142 ' on its inner ring, the force-driven topology 142 ' is in the axial direction to away from tumbler 110 '
Direction is protruded, and including projection 142a ' and horizontal component 142b ', force-driven topology 142 ' can be when operating parts 140 ' be rotated
Coordinate the axial displacement that locating part 160 ' is produced away from tumbler 110 ' with locating part 160 '.
Locating part 160 ' can limit extreme position of the locking piece 120 ' when near tumbler 110 ', and which includes first axially
Position and the second axial location.When locating part 160 ' is positioned at the first axial location, which can make the locking tumbler of locking piece 120 '
110 ', when locating part 160 ' is positioned at the second axial location, the release tumbler 110 ' of locking piece 120 '.Fig. 8 is shown in Fig. 6
The structural representation of locating part.Fig. 8 is refer to, specifically, locating part 160 ' is an annular element, can be arranged on operating parts
140 ' inside, is additionally provided with interior driving structure 161 ' in the circumference of locating part 160 ', the interior driving structure 161 ' in the axial direction to
Protrude near the direction of tumbler 110 ', which coordinates driving locating part 160 ' remote with the force-driven topology 142 ' on operating parts 140 '
From tumbler 110 '.Locating part 160 ' is additionally provided with spacing hole 162 ' in the circumferential, and spacing hole 162 ' can only make locking piece 120 '
Bar portion 121 ' near the side of tumbler 110 ' passes through, and in other words, the size of the protuberance 122 ' of locking piece 120 ' is more than
The size of spacing hole 162 ', protuberance 122 ' can not be by spacing holes 162 ', so, when locating part 160 ' is away from tumbler 110 '
When, which can drive locking piece 120 ' also away from tumbler 110 ' so that locking piece 120 ' discharges tumbler 110 '.
Position of the collar 170 ' on axial and circumferential is fixed, and which is provided with location hole 171 ', locking piece 120 ' away from
One end of tumbler 110 ' is arranged in location hole 171 ', and one end of elastic component 133 ' props up the collar 170 ', so as to by collar
170 ' the elastic components 133 ' for compressing can drive locking piece 120 ' near tumbler 110 '.Between collar 170 ' and operating parts 140 '
Place kick 172 ' is additionally provided with, the side of place kick 172 ' is contacted with collar 170 ', and opposite side is contacted with operating parts 140 ', by fixed
Rotating in a circumferential direction for lock operation part 140 ' is capable of in the contact with operating parts 140 ' and collar 170 ' to position ball 172 ' respectively, and by being somebody's turn to do
Collar 170 ' is implemented locking and can also avoid operating parts 140 ' from producing active force to other parts to operating parts 140 '.
So as to, in the present embodiment, the outer drive when operating parts 140 ' turns to the first circumferential position, on operating parts 140 '
Horizontal component 142b ' in dynamic structure 142 ' is coordinated with the interior driving structure 161 ' on locating part 160 ', the bullet for now being compressed
Property the compressing locking piece 120 ' of part 133 ' which is moved towards the direction of tumbler 110 ', and be moved to the bar of locking piece 120 ' always
Portion 121 ' is coordinated with the latch-up structure 111 ' on tumbler 110 ', final locking tumbler 110 '；When operating parts 140 ' is turned to
During the second circumferential position, on the projection 142a ' and locating part 160 ' in the force-driven topology 142 ' on operating parts 140 '
Interior driving structure 161 ' coordinates, so as to locating part 160 ' is directed away from the direction movement of tumbler 110 ', while driving positioned at limit
Locking piece 120 ' in the hole 162 ' of position overcomes the direction that the elastic force of elastic component 133 ' is directed away from tumbler 110 ' to move, and always
It is moved to the latch-up structure 111 ' that the bar portion 121 ' of locking piece 120 ' departs from tumbler 110 ', final release tumbler 110 '.
In the present embodiment, the side of the protuberance 122 ' of locking piece 120 ' is provided with the elastic component 133 ' being biased, another
The limited part in side 160 ' is limited so that locking piece 120 ' has the trend near tumbler 110 ' in the axial direction, therefore, even if
When locking piece 120 ' is stuck, operating parts 140 ' remains able to free operation, when tumbler 110 ' is started working and is rotated, lock
Determine part 120 ' and then depart from stuck position, return to normal condition.
The present invention also proposes a kind of power tool of output torque, and Fig. 9 show the power tool of output torque of the present invention
Structure chart.Fig. 9 is refer to, the power tool of the output torque of the present invention can be used as a kind of boring, and which includes prime mover
200th, by the reducing gear 300 and peripheral locking device 100 of prime mover driven, wherein reducing gear 300 also at least includes one
Level planet circular system 310, the tumbler 110 in peripheral locking device 100 are a ring gear in planet circular system 310, so as to
Locking piece 120 in peripheral locking device 100 can lock or discharge ring gear, when locking piece 120 locks ring gear, make
The power tool for obtaining output torque of the invention is in electric drill pattern, when locking piece 120, release ring gear so that the present invention
Output torque power tool be in screw batch mode.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (13)
1. a kind of peripheral locking device, including：Axial location fixes the tumbler that can be pivoted with first axle as axle, the rotation
Part circumference is provided with latch-up structure；Characterized in that, the peripheral locking device at least also includes：Can be axially move closer to described
The locking piece of the locking tumbler, axial location is coordinated to fix and with first axle can be during tumbler with the latch-up structure
Operating parts that axle is rotated in predetermined angle, the bias group that the locking piece makes which axially move closer to the tumbler can be biased
Part, the operating parts at least there is one put aside the bias assembly in the circumferential for the first circumferential position of the energy of bias
The second circumferential position for putting and making the energy of the bias assembly savings to be released；The latch-up structure is the tumbler circumference
Several of upper formation are raised, and several described projections are evenly distributed in the circumference of the outer wall of the tumbler, described in each
The raised list structure to axially extend.
2. peripheral locking device according to claim 1, it is characterised in that the bias assembly includes：Make the locking
Part has the forward bias component of the trend near the tumbler, makes the locking piece with the trend away from the tumbler
Reverse biased component, the forward bias component, reverse biased component act on the locking piece simultaneously.
3. peripheral locking device according to claim 2, it is characterised in that the locking piece is parallel to axial direction
Securing rod, the securing rod include：Bar portion and it is formed at the bar portion stage casing and protrudes from the convex of the bar portion in the circumferential
Go out portion；The forward bias component, reverse biased component are located at the both sides of the protuberance of the securing rod respectively, and support
State protuberance in residence.
4. peripheral locking device according to claim 1, it is characterised in that the peripheral locking device also includes：One
The locating part of extreme position of locking piece when near the tumbler can be limited, is driven when the operating parts is rotated described
Locating part produces the axial movement away from the tumbler, and the locating part at least has makes the locking piece lock the rotation
First axial location of part and the second axial location for making the locking piece discharge the tumbler.
5. peripheral locking device according to claim 4, it is characterised in that the bias assembly is made by the locking piece
The locating part has the trend near the tumbler.
6. peripheral locking device according to claim 5, it is characterised in that the locking piece is parallel to axial direction
Securing rod, the securing rod include：Bar portion and it is formed at the bar portion stage casing and protrudes from the convex of the bar portion in the circumferential
Go out portion；The bias assembly includes：It is sleeved in the bar portion of the operating parts side and props up the protuberance
Elastic component.
7. peripheral locking device according to claim 6, it is characterised in that the operating parts is a sleeve-shaped part, its
Inner ring is formed with the axial direction to the force-driven topology protruded away from the tumbler direction；The locating part is a ring part
Part, which can be arranged on the inside of the operating parts, and the locating part is formed with and force-driven topology cooperation in the circumferential
Interior driving structure, the interior driving structure is near tumbler direction protrusion.
8. peripheral locking device according to claim 7, it is characterised in that the locating part is formed with the circumferential and only supplies
The spacing hole that the bar portion of the locking piece near the tumbler side passes through.
9. peripheral locking device according to claim 8, it is characterised in that the peripheral locking device also includes：One
The fixed collar in axial and circumferential position, the collar are provided with location hole, the one end of the locking piece away from the tumbler
It is arranged in the location hole；The elastic component props up the collar.
10. a kind of power tool of output torque, including：Prime mover and the reducing gear by the prime mover driven, it is described
Reducing gear at least includes：Primary planet train, it is characterised in that also include：Such as claim 1 is any one to claim 9
Peripheral locking device described in；The tumbler is a ring gear in the planet circular system.
A kind of 11. power tools of output torque, including prime mover and the reducing gear by the prime mover driven, it is described to subtract
Fast mechanism includes a ring gear, it is characterised in that the power tool of the output torque is also described interior including a locking
The peripheral locking device of gear ring, the peripheral locking device include along first axle near the ring gear when lock the internal tooth
The securing rod of circle, the elastic component for biasing the securing rod, the operating parts that can be circumferentially rotated, the locking piece can be limited in close institute
The collar of the locating part and the fixation operating parts of extreme position when stating ring gear, the collar are provided with location hole.
The power tool of 12. output torques according to claim 11, it is characterised in that the collar and the operating parts
Between be additionally provided with place kick, the side of the place kick is contacted with the collar, and opposite side is contacted with the operating parts.
The power tool of 13. output torques according to claim 12, it is characterised in that the locking piece is one parallel
In the securing rod of axial direction, the securing rod includes：Bar portion and it is formed at the bar portion stage casing and protrudes from the circumferential described
The protuberance of bar portion；The operating parts is a sleeve-shaped part, and its inner ring is formed with the axial direction to away from the ring gear side
To the force-driven topology of protrusion；The locating part is an annular element, and which is formed with the circumferential is matched somebody with somebody with the force-driven topology
The interior driving structure closed, the locating part are also formed with only supplying the locking piece in the circumferential near the institute of the ring gear side
State the spacing hole that bar portion passes through；The elastic component props up the collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308606.1A CN105437163B (en) | 2014-06-30 | 2014-06-30 | Power tool for outputting torque and circumferential locking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308606.1A CN105437163B (en) | 2014-06-30 | 2014-06-30 | Power tool for outputting torque and circumferential locking device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437163A CN105437163A (en) | 2016-03-30 |
| CN105437163B true CN105437163B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410308606.1A Expired - Fee Related CN105437163B (en) | 2014-06-30 | 2014-06-30 | Power tool for outputting torque and circumferential locking device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107471164B (en) * | 2016-06-08 | 2020-05-26 | 南京德朔实业有限公司 | Torque output tool |
| CN116406570A (en) * | 2021-12-30 | 2023-07-11 | 格力博(江苏)股份有限公司 | An automatic unlocking drive device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060213675A1 (en) * | 2005-03-24 | 2006-09-28 | Whitmire Jason P | Combination drill |
| DE102006025703B4 (en) * | 2005-06-01 | 2019-11-14 | Milwaukee Electric Tool Corp. | Power tool, drive assembly and method of operation thereof |
| CN201026605Y (en) * | 2007-03-21 | 2008-02-27 | 南京德朔实业有限公司 | Electric drill |
| CN102233537B (en) * | 2010-04-27 | 2015-03-11 | 南京德朔实业有限公司 | Hand-held power tool with quick clamping device for working element |
| CN102431013B (en) * | 2011-09-13 | 2014-08-20 | 南京久驰机电实业有限公司 | Electric drill with driving mode switching |
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| Publication number | Publication date |
|---|---|
| CN105437163A (en) | 2016-03-30 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
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Granted publication date: 20170517 |