CN206839842U - A kind of fast replacing device of triangle sand - Google Patents
A kind of fast replacing device of triangle sand Download PDFInfo
- Publication number
- CN206839842U CN206839842U CN201720574146.6U CN201720574146U CN206839842U CN 206839842 U CN206839842 U CN 206839842U CN 201720574146 U CN201720574146 U CN 201720574146U CN 206839842 U CN206839842 U CN 206839842U
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- China
- Prior art keywords
- hole
- block
- locating
- driving section
- tool heads
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Abstract
The utility model discloses a kind of fast replacing device of triangle sand,Including housing and driving section and tool heads,Driving section is provided with output shaft,Retainer is provided with tool heads,Rotated on driving section and be provided with locating ring,It is provided with locating ring and pulls block,It is provided with driving section and pulls hole,Pull block stretching and pull hole,Feature is that flexible restoring organ and reset retaining mechanism are provided between locating ring and driving section,Positioning hole is provided with locating ring,Positioning hole is positioned inwardly in a radial direction at least three locating convex blocks,Locating groove is formed between two neighboring locating convex block,Tool heads are provided with connection boss,Connecting hole and limit card block are provided with connection boss,Retainer is accommodated and is arranged in connecting hole,Limit card block uniform ring around be distributed in connection boss side wall on,Slide ramp is provided with limit card block,When tool heads and driving section plugged and fixed,Limit card block is fastened between locating convex block and driving section；Advantage is the increase in service life, and convenient disassembly.
Description
Technical field
A kind of fast replacing device is the utility model is related to, especially a kind of fast replacing device of triangle sand.
Background technology
The electric tool of in the market is a lot, and mostly with fuselage and head, fuselage is interior to have motor, and motor leads to
Crossing transmission component drives output shaft that power is delivered to the retainer for the tool heads being engaged with output shaft, tool heads is normally transported
Make, in order to increase efficiency when changing tool heads, generally connect fuselage by removable bindiny mechanism with tool heads, user
The replacing of fast and stable can be realized when changing different tool heads by the connection of removable bindiny mechanism, can when needing storage
With easy removal；Existing removable bindiny mechanism realizes quick-replaceable work(often through various forms of flexible restoring organs
Can, flexible restoring organ is required for by elastic shrinkage process twice, and removable bindiny mechanism when changing tool heads every time
In the part on the fuselage and the part in tool heads need by extrusion friction, therefore one can be produced after long-term use
Fixed abrasion and aging phenomenon, reduce the service life of electric tool.
The content of the invention
Technical problem to be solved in the utility model be to provide it is a kind of change tool heads fast and stable and service life compared with
The fast replacing device of long triangle sand.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of fast replacing device of triangle sand, bag
Include housing and the driving section being arranged on described housing and tool heads, described driving section are provided with output shaft, described work
The retainer with the cooperation of described output shaft is provided with tool head, is rotated on described driving section and is provided with locating ring, it is described
It is provided with locating ring and pulls block, be provided with described driving section and pull hole, described pulling pulls hole described in block stretching
And can move back and forth in described pulling in hole, it is provided with flexible restoring organ between described locating ring and described driving section
With reset retaining mechanism, be provided with positioning hole in described locating ring, described positioning hole is positioned inwardly in a radial direction at least three
Individual locating convex block, locating groove is formed between two neighboring described locating convex block, described tool heads are provided with connection boss,
Connecting hole and quantity limit card block corresponding with described locating groove, described retainer are provided with described connection boss
Accommodate and be arranged in described connecting hole, described limit card block uniform ring around being distributed in the side wall of described connection boss,
It is provided with slide ramp in described limit card block, described slide ramp is used to described determine when described limit card block stretches into
Slided during the neck of position and push described locating convex block open, it is described when described tool heads are with described driving section plugged and fixed
Limit card block is fastened between described locating convex block and described driving section.
Described flexible restoring organ includes reset hole, back-moving spring and resets pushing block, and described reset hole is arranged on institute
On the driving section stated, described reset pushing block is arranged on described locating ring, and described reset pushing block stretches into described reset
In hole, described back-moving spring is horizontally installed in described reset hole and apical grafting is on described reset pushing block.It is fixed when needing
When position ring is rotated by external force, rotation direction pressed home spring of the pushing block along locating ring, when external force disappears, back-moving spring are resetted
Promote and reset pushing block homing, complete reset function.
Described reset retaining mechanism includes locking button, locking spring and locking slot, the sidepiece of described locking button
Locking projection is provided with, the described end for pulling block inwardly offers installation counterbore, and the side wall of described installation counterbore opens up
There is the closing piece pilot hole coordinated with described locking projection, the protruding described installation in end of described locking button is sunk
Hole, described locking projection stretch out described closing piece pilot hole and moved along described closing piece pilot hole, described locking spring
For apical grafting between described locking button and described installation counterbore, described locking slot is arranged on the described hole wall for pulling hole
On, one end outward bending of described locking slot is provided with locating aperture, and described locking projection is located in described locking slot
And moved forward and backward along described locking slot, when it is described pull block and be moved to described one end for pulling hole by external force when, it is described
Locking projection be moved to described locating aperture and outwards ejection be plugged in described locating aperture.When needing replacing instrument
During head, promotion pulls block to the one end for pulling hole, former tool heads is removed, now locking projection is moved to positioning along locking slot and opened
Mouthful and outwards ejection be plugged in locating aperture, will pull block position locking, after new tool heads, press lock by
Button, locking projection sink down into locking slot from locating aperture, now pull block and original is replied in the presence of flexible restoring organ
Position, so that tool heads installation is fixed, the abrasion between limit card block and locating convex block when changing tool heads is effectively reduced, is increased
The service life of entirety is added.
Compared with prior art, the utility model has the advantage of when needing to change tool heads, block is pulled in promotion to be made to determine
Position ring is rotated, and locating convex block is gradually rotated below limit card block up to limit card block and locating groove aligned in position, former
The connection boss set in tool heads can depart from from locating ring removes former tool heads so as to realize, is now locked by resetting
Tight mechanism locks the position for pulling block, and will open reset retaining mechanism again after new tool heads are placed makes to pull block
Homing, so as to which tool heads be fixed, the abrasion between limit card block and locating convex block when changing tool heads is effectively reduced,
Add overall service life；Separately deposited with housing when storage by promoting to pull block and remove tool heads, work as needs
Tool heads are inserted in locating ring during installation, limit card block gradually stretches into locating groove, and slide ramp is slided and pushes locating convex block open
Locating ring is set to rotate, when limit card block is fully inserted between locating convex block and driving section, in the work of flexible restoring organ
With lower locating ring homing, now locating convex block cooperates with driving section and connects and fixes limit card block, disassembly process ten
It is convenient to divide.
Brief description of the drawings
Fig. 1 is part-structure exploded perspective view of the present utility model；
Fig. 2 is the structural representation of locating ring in the utility model；
Fig. 3 is the structural representation of tool heads in the utility model；
Fig. 4 is integral installation distribution structure schematic diagram of the present utility model；
Fig. 5 is the structural representation of locating ring in embodiment two；
Fig. 6 is the structure sectional view of locating ring in embodiment two.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：A kind of fast replacing device of triangle sand, including housing 1 and the driving section 2 being arranged on housing 1 and instrument
First 3, driving section 2 is provided with output shaft 21, and the retainer 31 coordinated with output shaft 21 is provided with tool heads 3, is turned on driving section 2
It is dynamic to be provided with locating ring 22, it is provided with locating ring 22 and pulls block 23, be provided with driving section 2 and pull hole 24, is pulled block 23 and stretch
Go out to pull hole 24 and can move back and forth pulling in hole 24, be provided between locating ring 22 and driving section 2 flexible restoring organ 4 and
Retaining mechanism 5 is resetted, is provided with positioning hole 25 in locating ring 22, positioning hole 25 is positioned inwardly in a radial direction there are three locating convex blocks
26, locating groove 27 is formed between two neighboring locating convex block 26, tool heads 3 are provided with connection boss 32, connected on boss 32
Connecting hole 33 and quantity limit card block 34 corresponding with locating groove 27 are provided with, retainer 31 accommodates and is arranged on connecting hole 33
Interior, the uniform ring of limit card block 34 is provided with slide ramp 341 around being distributed in the side wall of connection boss 32 in limit card block 34,
Slide ramp 341, which is used to slide when limit card block 34 stretches into locating groove 27, pushes locating convex block 26 open, when tool heads 3 and transmission
During 2 plugged and fixed of portion, limit card block 34 is fastened between locating convex block 26 and driving section 2, and flexible restoring organ 4 includes reset hole
41st, back-moving spring（Figure is not shown）With reset pushing block 42, reset hole 41 is arranged on driving section 2, is resetted pushing block 42 and is arranged on and determines
On the ring 22 of position, reset pushing block 42 and stretch into reset hole 41, back-moving spring is horizontally installed in reset hole 41 and apical grafting pushes away in reset
On block 42.
Embodiment two：Remainder is identical with embodiment one, its difference be reset retaining mechanism 5 include locking by
Button 51, locking spring 52 and locking slot 53, the sidepiece of locking button 51 are provided with locking projection 54, and the end for pulling block 23 is inside
Installation counterbore 55 is offered, the side wall of installation counterbore 55 offers the closing piece pilot hole 56 coordinated with locking projection 54, and locking is pressed
The protruding installation counterbore 55 in end of button 51, locking projection 54 stretch out closing piece pilot hole 56 and moved along closing piece pilot hole 56,
Between locking button 51 and installation counterbore 55, locking slot 53 is arranged on the hole wall for pulling hole 24 apical grafting of locking spring 52, lock
One end outward bending of tight groove 53 is provided with locating aperture 57, and it is interior and along before and after locking slot 53 that locking projection 54 be located at locking slot 53
Mobile, when pulling block 23 and being moved to the one end for pulling hole 24 by external force, locking projection 54 is moved to locating aperture 57 and outwards
Ejection is plugged in locating aperture 57.Also other more typical reset retaining mechanisms can be used.
Embodiment three：Remainder is identical with embodiment one, and its difference is that positioning hole 25 is positioned inwardly in a radial direction
There are four locating convex blocks 26.
Claims (3)
1. a kind of fast replacing device of triangle sand, including housing and the driving section being arranged on described housing and tool heads, described
Driving section be provided with output shaft, the retainer with described output shaft cooperation, described biography are provided with described tool heads
Rotated in dynamic portion and be provided with locating ring, be provided with described locating ring and pull block, be provided with described driving section and pull hole,
The described described Kong Bingke that pulls of block stretching that pulls moves back and forth in described pulling in hole, it is characterised in that described positioning
Flexible restoring organ is provided between ring and described driving section and resets retaining mechanism, positioning is provided with described locating ring
Hole, described positioning hole is positioned inwardly in a radial direction at least three locating convex blocks, shape between two neighboring described locating convex block
Into locating groove, described tool heads are provided with connection boss, and connecting hole and quantity and institute are provided with described connection boss
Limit card block corresponding to the locating groove stated, described retainer, which accommodates, to be arranged in described connecting hole, described limiting card
Block uniform ring is provided with slide ramp around being distributed in the side wall of described connection boss in described limit card block, described
Slide ramp, which is used to slide when described limit card block stretches into described locating groove, pushes described locating convex block open, when described
Tool heads with described driving section plugged and fixed when, described limit card block is fastened on described locating convex block and described biography
Between dynamic portion.
A kind of 2. fast replacing device of triangle sand according to claim 1, it is characterised in that described flexible restoring organ bag
Include reset hole, back-moving spring and reset pushing block, described reset hole is arranged on described driving section, and described reset pushing block is set
Put on described locating ring, described reset pushing block is stretched into described reset hole, and described back-moving spring is horizontally installed on
In described reset hole and apical grafting is on described reset pushing block.
A kind of 3. fast replacing device of triangle sand according to claim 2, it is characterised in that described reset retaining mechanism bag
Include locking button, locking spring and locking slot, the sidepiece of described locking button is provided with locking projection, described block of pulling
End inwardly offers installation counterbore, and the side wall of described installation counterbore offers to be led with the closing piece of described locking projection cooperation
Xiang Kong, the protruding described installation counterbore in end of described locking button, described locking projection stretch out described closing piece
Pilot hole and moved along described closing piece pilot hole, described locking spring apical grafting is in described locking button and described installation
Between counterbore, described locking slot is arranged on the described hole wall for pulling hole, and one end outward bending of described locking slot is set
Locating aperture is equipped with, described locking projection is located in described locking slot and moved forward and backward along described locking slot, when described
When pulling block and being moved to described one end for pulling hole by external force, described locking projection be moved to described in locating aperture simultaneously
Outwards ejection is plugged in described locating aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574146.6U CN206839842U (en) | 2017-05-22 | 2017-05-22 | A kind of fast replacing device of triangle sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574146.6U CN206839842U (en) | 2017-05-22 | 2017-05-22 | A kind of fast replacing device of triangle sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206839842U true CN206839842U (en) | 2018-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720574146.6U Active CN206839842U (en) | 2017-05-22 | 2017-05-22 | A kind of fast replacing device of triangle sand |
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| Country | Link |
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| CN (1) | CN206839842U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465698A (en) * | 2018-11-08 | 2019-03-15 | 泉州市泉港区鑫悦盟工业科技有限公司 | A kind of high security door-plate grinding device convenient for safeguarding |
| CN112692866A (en) * | 2021-02-09 | 2021-04-23 | 重庆理工大学 | Quick-change connecting device |
| CN113733019A (en) * | 2021-09-23 | 2021-12-03 | 浙江嘉宏工具制造有限公司 | Multi-functional multi-angle switching electric tool |
| CN116690536A (en) * | 2023-05-24 | 2023-09-05 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
-
2017
- 2017-05-22 CN CN201720574146.6U patent/CN206839842U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465698A (en) * | 2018-11-08 | 2019-03-15 | 泉州市泉港区鑫悦盟工业科技有限公司 | A kind of high security door-plate grinding device convenient for safeguarding |
| CN112692866A (en) * | 2021-02-09 | 2021-04-23 | 重庆理工大学 | Quick-change connecting device |
| CN112692866B (en) * | 2021-02-09 | 2022-04-22 | 重庆理工大学 | Quick-change connecting device |
| CN113733019A (en) * | 2021-09-23 | 2021-12-03 | 浙江嘉宏工具制造有限公司 | Multi-functional multi-angle switching electric tool |
| CN113733019B (en) * | 2021-09-23 | 2024-03-12 | 浙江嘉宏工具制造有限公司 | Multifunctional multi-angle switching electric tool |
| CN116690536A (en) * | 2023-05-24 | 2023-09-05 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
| CN116690536B (en) * | 2023-05-24 | 2024-05-03 | 上海智元新创技术有限公司 | Robot hand quick change device and robot |
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