CN206982599U - A kind of Rapid knife exchanging mechanism of electric tool - Google Patents
A kind of Rapid knife exchanging mechanism of electric tool Download PDFInfo
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- CN206982599U CN206982599U CN201720154058.0U CN201720154058U CN206982599U CN 206982599 U CN206982599 U CN 206982599U CN 201720154058 U CN201720154058 U CN 201720154058U CN 206982599 U CN206982599 U CN 206982599U
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- electric tool
- output shaft
- route guidance
- platen
- exchanging mechanism
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Abstract
The utility model discloses a kind of Rapid knife exchanging mechanism of electric tool, it is installed in the body of electric tool, installment work head is provided with body and drives the output shaft of work head rotary oscillation, output shaft is connected with shift fork, the pull bar that the head that works is compressed and is arranged on the output shaft is connected with output shaft, pull bar bottom is provided with platen, pull bar top is provided with position-arresting disk, position-arresting disk is provided with prominent limited block, depression bar is provided with above position-arresting disk, depression bar lower end is provided with platen, route guidance block is provided with platen, route guidance block is circumferentially gradually raised, limited block coordinates the work of route guidance block, route guidance block top is provided with limited impression, rod outer sleeve is provided with nut, locking spring is provided between nut and output shaft bottom.The utility model is simple and reliable for structure, and easily manufactured cost is low, service life length, can without the help of other aids in the case of conveniently mount and dismount work head, so as to improve work and production efficiency.
Description
Technical field
It the utility model is related to field of power tools, more particularly to a kind of Rapid knife exchanging mechanism of electric tool.
Background technology
Electric tool is called Wan Yingbao or general-purpose is precious, is that FEIN was invented in 1967, utilizes high frequency vibrating by a small margin
Move to realize multi-function operation, such as polishing, cutting, spatula, polishing etc..It is widely used in house ornamentation, carpenter DIY, depot and shipyard
Deng field.The work head species that Multi Role Aircraft uses is more, needs the head that frequently more changes jobs when in use, and prior art
In, the mounting structure for the head that works is more complicated, and less reliable, causes work head to mount and dismount cumbersome, reduces work
Make efficiency, improve use cost.Current market sales of electric tool be mostly by the threaded connection of hexagon socket head cap screw come
The clamping of annex blade (work head) is realized, is had the following disadvantages on using process：
First, need to be by external tool inner hexagon spanner；
2nd, because screw thread travel is longer, so cumbersome when changing annex, operating efficiency is low；
3rd, under the working environment of dither, screw-threaded coupling is not very reliable.
Therefore, Ye You manufacturers have made improvement to it, for example extracting tool is carried on head capsule, but it passes through screw fastening
Tight principle does not change, and effect is less desirable.
The content of the invention
The utility model is directed to deficiency of the prior art, there is provided a kind of Rapid knife exchanging mechanism of electric tool, structure
Simple and reliable, easily manufactured cost is low, service life length, can without the help of other aids in the case of conveniently
Work head is mounted and dismounted, so as to improve work and production efficiency.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：A kind of electric tool
Rapid knife exchanging mechanism, be installed in the body of electric tool, installment work head be provided with the body and drives work head
The output shaft of rotary oscillation, the output shaft are connected with shift fork, are connected with to compress to be arranged on by work head on the output shaft and are somebody's turn to do
Pull bar on output shaft, the pull bar bottom are provided with platen, and the pull bar top is provided with position-arresting disk, and the position-arresting disk is set
There is prominent limited block, be provided with depression bar above the position-arresting disk, the depression bar lower end is provided with platen, set on the platen
There is route guidance block, the route guidance block is circumferentially gradually raised, and the limited block coordinates the route guidance block work, institute
State route guidance block top and be provided with limited impression, the rod outer sleeve is provided with nut, the nut and the output shaft bottom
Between be provided with locking spring.
In above-mentioned technical proposal, it is preferable that the depression bar top is provided with connection end, and the connection end is provided with spiral shell
Line, the connection end are arranged with limiting lock stop member outside, and the spacing lock piece is arranged in trigger, is provided with the trigger
Screw, the screw are screwed into the connection end so as to which trigger is compressed into spacing lock piece and install one with connection end fastening
Rise.
In above-mentioned technical proposal, it is preferable that the output shaft bottom is provided with pin disk, and the pin disk sets flexible
Pin made of material, the platen coordinate the pin chuck clamping work head.
In above-mentioned technical proposal, it is preferable that the pull bar includes the screw rod, middle bar body and the pressure of bottom on top
Disk, is provided with the spacing body of rod between the platen and bar body, the external side face of gag lever post be provided with plane so as to institute
Stating pin disk and being engaged prevents from mutually rotating.
In above-mentioned technical proposal, it is preferable that the screw rod is also equipped with platform, and the position-arresting disk center sets limited location
Hole, the spacing hole coordinate the plane on the screw rod to prevent from mutually rotating.
In above-mentioned technical proposal, it is preferable that the output outer shaft sleeve is provided with clutch shaft bearing and second bearing and utilizes bearing
In machine body activity.
In above-mentioned technical proposal, it is preferable that the clutch shaft bearing is deep groove ball bearing, and the second bearing is needle roller axle
Hold.
In above-mentioned technical proposal, it is preferable that spring groove is provided with the trigger, ball is provided with the spring groove,
The ball is connected with spring, is provided with locking groove above the body, the ball is pressed in the lock by the spring effect
Only groove is so as to preventing the trigger rotation.
The utility model has efficiency of dust collection height, the pressure loss is small, simple to operate, energy consumption is small, without reentrainment of dust, maintenance expense
With it is low, the production downtime is short, be operable with below flue gas dew point temperature the characteristics of, and can be with other cigarettes due to compact-sized
Outstanding advantages of gas abatement equipment be combined with each other, design form variation.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is structural representation when the utility model starts to rotate trigger.
Fig. 3 is that the utility model rotates structural representation after trigger.
Fig. 4 is that the utility model rotates structural representation after trigger completely.
Fig. 5 is the utility model Tiebar structure top view.
Fig. 6 is the utility model pressure rod structure schematic diagram.
Fig. 7 is the utility model position-arresting disk structure top view.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：Such as Fig. 1 to Fig. 7 institutes
Show, a kind of Rapid knife exchanging mechanism of electric tool, be installed in the body 1 of electric tool, erector is provided with the body
Make head and drive the output shaft 2 of work head rotary oscillation, the output shaft 2 is connected with shift fork 10, is connected with the output shaft 2
The head that works is compressed to the pull bar 3 being arranged on the output shaft 2, the bottom of pull bar 3 is provided with platen 33, the top of pull bar 3
Position-arresting disk 5 is provided with, the position-arresting disk 5 is provided with prominent limited block 51, and the top of position-arresting disk 5 is provided with depression bar 4, institute
State the lower end of depression bar 4 and be provided with platen 41, route guidance block 42 is provided with the platen 41, the route guidance block 42 is circumferentially
Gradually raised, the limited block 51 coordinates the route guidance block 42 to work, and the top of route guidance block 42 sets limited location
Groove 43, the pull bar 3 are arranged with nut 14 outside, locking spring are provided between nut 14 and the output shaft 2 bottom
15。
The top of depression bar 4 is provided with connection end 44, and the connection end 44 is provided with screw thread, the connection end 44
Limiting lock stop member 62 is arranged with outside, the spacing lock piece 62 is arranged in trigger 6, and screw 61, institute are provided with the trigger 6
State screw 61 and be screwed into the connection end 44 so as to which trigger 6 is compressed into spacing lock piece 62 and fastens installation with the connection end 44
Together.
The bottom of output shaft 2 is provided with pin disk 21, and the pin disk 21 is provided with pin made of flexible material, institute
Stating platen 33 coordinates the pin disk 21 to clamp work head.
The pull bar 3 includes the screw rod 31, middle bar body and the platen 33 of bottom, the platen 33 and drawing on top
Be provided with the spacing body of rod 32 between bar body, the spacing outer peripheral face of the body of rod 32 be provided with plane so as to the phase of pin disk 21
Cooperation prevents from mutually rotating.
The screw rod 31 is also equipped with platform, and the center of position-arresting disk 5 is provided with limited block 51, and the limited block 51 coordinates
Plane on the screw rod 31 is so as to preventing from mutually rotating.
Clutch shaft bearing 12 and second bearing 13 and the activity in body 1 using bearing are arranged with outside the output shaft 2.
The clutch shaft bearing is deep groove ball bearing 12, and the second bearing is needle bearing 13.
Spring groove 63 is provided with the trigger 6, ball 65 is provided with the spring groove 63, the ball 65 is connected with
Spring 64, the top of body 1 are provided with locking groove 11, and the ball 65 is pressed in the locking groove by the spring 64 effect
11 so as to preventing the trigger 6 from rotating.
Accompanying drawing 2 to accompanying drawing 4 is the course of work of the present utility model.Trigger 6 is in initial position, the upper limit locking of trigger 6
The concave station of part 62 is in engagement with the tooth on depression bar 4, and such depression bar 4 can just rotate with trigger 6.Counterclockwise
Rotation trigger 6 arrives certain angle, and depression bar 4 can rotate together under the drive of trigger 6 in the process, and position-arresting disk 5 and pull bar 3
It is connected, so will not rotate.Comparatively, it is exactly that limited block 51 on position-arresting disk 5 moves along route guidance block 42, and by
Gradually it is moved in the limited impression 43 on top.The angle rotated with trigger 6 increases, and pull bar 3 is in the presence of position-arresting disk 5 by not
Disconnected to press down, until limited block 51 is reached in the limited impression 43 of depression bar 4, now, the distance that pull bar 3 is pressed down reaches maximum
Value.Work head is now loaded into pin disk, then rotates clockwise trigger 6, the limited block 51 of position-arresting disk 5 is from depression bar 4
Skidded off in limited impression 43, the elastic force abrupt release of locking spring 15 compressed, work head can just be clamped by pull bar 3.Trigger 6
After return, ball 65 is fallen into the locking groove 11 on body 1, so as to realize the locking function of trigger 6.So far, erector finishs
Cheng Liao.
After said structure, the utility model has the following advantages and effect：First, without outer when more changing jobs
Portion's instrument；Second, stroke is shorter, controlled by depression bar 4 and position-arresting disk 5；Third, the mode ratio using the locking of the elastic force of locking spring 15
It is relatively simple, and the reliability locked is high.
The scope of protection of the utility model includes but is not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Sharp claim is defined, and any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
The utility model is simple and reliable for structure, and easily manufactured cost is low, service life length, can be without the help of other auxiliary
Work head is conveniently mounted and dismounted in the case of instrument, so as to improve work and production efficiency.
Claims (8)
1. a kind of Rapid knife exchanging mechanism of electric tool, it is installed in the body (1) of electric tool, peace is provided with the body
Dress work head simultaneously drives the output shaft (2) of work head rotary oscillation, and the output shaft (2) is connected with shift fork (10), the output
The pull bar (3) that the head that works is compressed and is arranged on the output shaft (2) is connected with axle (2), pull bar (3) bottom is provided with pressure
Disk (33), it is characterised in that：Pull bar (3) top is provided with position-arresting disk (5), and the position-arresting disk (5) is provided with prominent limit
Position block (51), position-arresting disk (5) top are provided with depression bar (4), and depression bar (4) lower end is provided with platen (41), the pressure
Route guidance block (42) is provided with disk (41), the route guidance block (42) is circumferentially gradually raised, the limited block (51)
The route guidance block (42) is coordinated to work, route guidance block (42) top is provided with limited impression (43), the pull bar
(3) nut (14) is arranged with outside, locking spring (15) is provided between the nut (14) and the output shaft (2) bottom.
A kind of 2. Rapid knife exchanging mechanism of electric tool according to claim 1, it is characterised in that：Depression bar (4) top
End is provided with connection end (44), and the connection end (44) is provided with screw thread, is arranged with outside the connection end (44) spacing
Lock piece (62), the spacing lock piece (62) are arranged in trigger (6), and screw (61) is provided with the trigger (6), described
Screw (61) be screwed into the connection end (44) so as to by trigger (6) compress spacing lock piece (62) and with the connection end (44)
Fastening installation is together.
A kind of 3. Rapid knife exchanging mechanism of electric tool according to claim 1, it is characterised in that：The output shaft (2)
Bottom is provided with pin disk (21), and the pin disk (21) is provided with pin made of flexible material, and the platen (33) coordinates
The pin disk (21) clamps work head.
A kind of 4. Rapid knife exchanging mechanism of electric tool according to claim 3, it is characterised in that：Pull bar (3) bag
The screw rod (31), middle bar body and the platen (33) of bottom, the platen (33) for including top are set between bar body
The spacing body of rod (32) is equipped with, it is anti-so as to be engaged with the pin disk (21) that the spacing body of rod (32) outer peripheral face is provided with plane
Only mutually rotate.
A kind of 5. Rapid knife exchanging mechanism of electric tool according to claim 4, it is characterised in that：The screw rod (31)
Platform is provided with, position-arresting disk (5) center is provided with limited block (51), and the limited block (51) coordinates on the screw rod (31)
Plane so as to preventing from mutually rotating.
A kind of 6. Rapid knife exchanging mechanism of electric tool according to claim 1, it is characterised in that：The output shaft (2)
It is outer to be arranged with clutch shaft bearing (12) and second bearing (13) and the activity in body (1) using bearing.
A kind of 7. Rapid knife exchanging mechanism of electric tool according to claim 6, it is characterised in that：The clutch shaft bearing is
Deep groove ball bearing (12), the second bearing are needle bearing (13).
A kind of 8. Rapid knife exchanging mechanism of electric tool according to claim 2, it is characterised in that：On the trigger (6)
Spring groove (63) is provided with, is provided with ball (65) in the spring groove (63), the ball (65) is connected with spring (64), institute
State and locking groove (11) is provided with above body (1), the ball (65) is pressed in the locking groove by the spring (64) effect
(11) so as to prevent the trigger (6) rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154058.0U CN206982599U (en) | 2017-02-21 | 2017-02-21 | A kind of Rapid knife exchanging mechanism of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154058.0U CN206982599U (en) | 2017-02-21 | 2017-02-21 | A kind of Rapid knife exchanging mechanism of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206982599U true CN206982599U (en) | 2018-02-09 |
Family
ID=61423146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720154058.0U Active CN206982599U (en) | 2017-02-21 | 2017-02-21 | A kind of Rapid knife exchanging mechanism of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206982599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372635A (en) * | 2023-04-21 | 2023-07-04 | 江苏先锋精密科技股份有限公司 | Tool changing mechanism of vertical processing machine tool |
-
2017
- 2017-02-21 CN CN201720154058.0U patent/CN206982599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372635A (en) * | 2023-04-21 | 2023-07-04 | 江苏先锋精密科技股份有限公司 | Tool changing mechanism of vertical processing machine tool |
| CN116372635B (en) * | 2023-04-21 | 2024-01-19 | 江苏先锋精密科技股份有限公司 | Tool changing mechanism of vertical processing machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 558, the Great Wall East Avenue, the Great Wall Economic Development Zone, Jinhua, Zhejiang Patentee after: Polytron Technologies Inc in Zhengyang Address before: No. 558, the Great Wall East Avenue, the Great Wall Economic Development Zone, Jinhua, Zhejiang Patentee before: Yongkang Zhengda Industrial Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |