CN104932607A - Three-level protection switch used for garden electric tool - Google Patents
Three-level protection switch used for garden electric tool Download PDFInfo
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- CN104932607A CN104932607A CN201510274291.8A CN201510274291A CN104932607A CN 104932607 A CN104932607 A CN 104932607A CN 201510274291 A CN201510274291 A CN 201510274291A CN 104932607 A CN104932607 A CN 104932607A
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- switch
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- switch enclosure
- clutch coupling
- block
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Abstract
The invention discloses a three-level protection switch used for a garden electric tool. The switch comprises a switch box, a safety button, a clutch, a trigger block, a key piece, and a control switch, the switch box is a hollow structure, the switch box comprises a switch box main body, a first connecting end, and a second connecting end, the upper surface of the switch box main body is provided with a containing groove, the shape and the dimension of the safety button are matched with the containing groove, the safety button is arranged in the containing groove, the clutch comprises a rotation end, a driven end, and a sleeve, the sleeve is provided with a containing hole, the number of the containing hole is equal to the number of a trigger rod, the clutch is arranged in the switch box and positioned right below the containing groove, the trigger block comprises a trigger end, a driving end, and a through hole, the key piece comprises an acting portion and a rotating portion, and the acting portion is selectively abutted against the rotation end of the clutch. The beneficial effects of the switch are that the operation is flexible and convenient, the switch is in accordance with the ergonomic design, and the safety of users can be fully protected.
Description
Technical field
The present invention relates to a kind of protection switch, more specifically, relate to a kind of three-level protective switch for gardens electric tool.
Background technology
Usually, as the gardens electric tools such as mower, grass-mowing machine, Gao Zhiju are all provided with the control lever be connected with gardens power tool body, position near gripping handle on control lever is provided with the switch enclosure that person easy to use operates control, this switch enclosure is applied in the CD-ROM drive motor of gardens electric tool with allowing current selective, and will handle in some way to start safely or inactive gardens electric tool.
In general, control lever comprises at least one elongated wall, there is a transverse bar substantially vertical with described elongated wall.In one embodiment, provide two elongated walls of general parallel orientation, wherein said transverse bar is in conjunction with these two elongated walls, and switch enclosure can be arranged on the higher end place of described elongated wall, and switch member (such as trigger rod) is stretched out towards user.In an alternative, can providing package arm but not single bar, this bag arm to be installed on pivotally at one end on switch enclosure and to be installed on pivotally on arm far away at far-end.In another alternative, switch enclosure can centrally arrange on the transverse bar, and its king-rod is mounted for the pivoting action around the axis perpendicular to transverse bar and elongated wall.
Chinese patent Authorization Notice No. is that the patent of invention of CN102232332B discloses a kind of mower, and this mower comprises: main body, be arranged at the cutting blade of main body, multiple rollers that supportive body is advanced in ground, drive the cutting motor that cutting blade rotates, and the CD-ROM drive motor driving at least one roller to rotate, the control lever that one end is connected with main body, it is characterized in that: described mower is provided with the starting switch controlling described cutting motor, and control the driving switch of described CD-ROM drive motor, described control lever is movably set with control lever, described starting switch and driving switch are controlled to trigger by same control lever, described control lever is provided with switch enclosure, described starting switch and driving switch are arranged in same switch enclosure, described control lever pivot is arranged in described switch enclosure, described switch enclosure is provided with mating part, one key part comprises a service portion, described service portion is selectively connected with switch enclosure mating part, described control lever is provided with briquetting, the tumbler adjacent with briquetting is provided with in described switch enclosure, and the slide block adjacent with tumbler, described driving switch is provided with switch contact, described slide block is selectively inconsistent with switch contact, the starting switch pivot being positioned at the top of driving switch arranges a seesaw part, first end arms and the key part service portion of described seesaw part lean, described slide block is selectively inconsistent with the second end arms of seesaw part, when the service portion of key part is connected with switch enclosure mating part, pivot control arm can start driving switch and starting switch simultaneously.
When the switch enclosure of mower disclosed in front case is by using the service portion of key part to be connected with switch enclosure mating part; pivot control arm makes slide block and switch contact conflict; thus driving switch and starting switch can be started simultaneously; adopt this " two-stage type " although protection switch can control the keying of mower independently; if but there is accidents such as such as turning on one's side, CD-ROM drive motor is out of control in the course of work; or during time-out in the course of work, how the more effective maloperation preventing again starting causes and surprisingly just seems that safeguard protection progression is inadequate.
Summary of the invention
For the weak point existed in above-mentioned technology; the object of this invention is to provide a kind of three-level protective switch for gardens electric tool; it, except conveniently handling the keying of gardens electric tool, effectively can also prevent the injury to personnel under out of control and maloperation situation.
In order to realize, according to these objects of the present invention and other advantages, providing a kind of three-level protective switch for gardens electric tool, comprising:
Switch enclosure, it is hollow structure, described switch enclosure comprises switch enclosure main body, is positioned at the first link and second link at described switch enclosure main body two ends, and the upper surface of described switch enclosure main body is provided with the holding tank caved inward, and described switch enclosure main body is provided with keyhole position;
Safety button, the below of described safety button is provided with several touch poles, and the shape of described safety button and size and described holding tank match, and are located in described holding tank;
Clutch coupling, described clutch coupling comprises turning end, driven end and sleeve, and described sleeve is provided with the accommodation hole with quantity such as described touch poles, and described clutch coupling is arranged in described switch enclosure, and is positioned at immediately below described holding tank;
Touch block, described shake-up block comprises shake-up end, driving end and through hole, and described shake-up block is arranged in described switch enclosure, immediately below clutch coupling, and adjoins with described clutch coupling;
Key part, described key part comprises service portion and rotating part, and described key part selectively inserts described keyhole position and described switch enclosure connects, and described service portion is selectively inconsistent with the turning end of described clutch coupling; And
Gauge tap, described gauge tap is provided with switch contact and the shake-up end of described switch contact and described shake-up block is oppositely arranged;
Wherein, described switch enclosure is provided with trigger rod rotationally, described trigger rod comprises force application rod, rotation pivot and driven pivot, described rotation pivot is connected with described first link, described driven pivot is connected with described second link, described driven pivot end is connected with tilting bar integratedly, described safety button is selectively inconsistent with the sleeve of described clutch coupling, the driven end of described clutch coupling is selectively inconsistent with the driving end of described shake-up block, described tilting bar is selectively inconsistent with the shake-up end of described shake-up block, the shake-up end of described shake-up block is selectively inconsistent with described switch contact, when the service portion of described key part and the turning end of described clutch coupling inconsistent time, rotate the rotating part of described key part, promote described clutch coupling to rotate, down by rotating the switch contact that described trigger rod can touch described gauge tap while described safety button.
Preferably, described switch enclosure is provided with gripping handle, described gripping handle comprises the grip part be positioned at above described switch enclosure, and being positioned at the first connecting portion, second connecting portion of both sides, described grip part, the first connecting portion of described gripping handle, the second connecting portion are fixedly connected with the first link of described switch enclosure, the second link respectively.
Preferably, the first back-moving spring is provided with between described safety button and described holding tank.
Preferably, the driven end of described clutch coupling and the driving end of described shake-up block are oppositely arranged, and are provided with the second back-moving spring between the driving end of the driven end of described clutch coupling and described shake-up block.
Preferably, the 3rd back-moving spring is provided with between the below of described shake-up block and described switch enclosure.
Preferably, the force application rod of described trigger rod is positioned at the front of the grip part of described gripping handle, and the difference in height of the force application rod of described trigger rod and the grip part of described gripping handle is 0 ~ 2cm.
Preferably, the distance between the force application rod of described trigger rod and the grip part of described gripping handle is 8 ~ 13cm.
Compared with prior art, its beneficial effect is in the present invention: owing to adopting single trigger rod optionally to start triggering to the gauge tap be arranged in switch enclosure, therefore flexible operation, convenience; Due to the force application rod of trigger rod and the grip part difference in height of gripping handle less, and distance is between the two slightly less than the length of human body palm, makes user firmly minimum when pulling operation, operation indefatigability, meets ergonomic design; Be different from two class protection switch designs of the prior art; due to have employed when the service portion of described key part and the turning end of described clutch coupling inconsistent time; rotate the rotating part of described key part; promote described clutch coupling to rotate; down by this three-level protective switch rotating described trigger rod while described safety button and can touch the switch contact of described gauge tap; make maloperation occurs or out of control time the loss reduction that causes, the safety of the user that can adequately protect.
Part is embodied by explanation below by other advantages of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the embodiment according to the three-level protective switch for gardens electric tool of the present invention;
Fig. 2 is the part isometric exploded view of the switch enclosure of an embodiment according to the three-level protective switch for gardens electric tool of the present invention;
Fig. 3 is the switch gearing STRUCTURE DECOMPOSITION figure of the embodiment according to the three-level protective switch for gardens electric tool of the present invention;
Fig. 4 removes the part-structure schematic diagram after lid according to the switch enclosure of an embodiment of the three-level protective switch for gardens electric tool of the present invention;
Fig. 5 is the cut-open view along A-A direction in Fig. 4;
Fig. 6 is the cut-open view along B-B direction in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, and aforementioned and other object, feature, aspect and advantage of the present invention will become more obvious, can implement according to this to make those skilled in the art's reference instructions word.
See Fig. 1, three-level protective switch 100 for gardens electric tool comprises a pair control lever 110 parallel and in a distance, and a lateral connection bar 120 is provided with between two operation repetitive bars 110, switch enclosure 130 is provided with between the upper extending end portion 110a of control lever 110, this switch enclosure 130 is almost parallel with lateral connection bar 120, this switch enclosure 130 comprises main body 130a and lays respectively at the first link 130b and the second link 130c of main body 130a both sides, one is supplied to the gripping handle 140 that user grips is fixedly connected with switch enclosure, particularly, gripping handle 140 comprises the grip part 140a be positioned at above switch enclosure 130, and be positioned at the first connecting portion 140b of 140a both sides, grip part, second connecting portion 140c, first connecting portion 140b of gripping handle 140 and the second connecting portion 140c is connected respectively the first link 130b in switch enclosure 130 and the second link 130c.In one embodiment, this gripping handle 140 is arranged to U-shaped.
See Fig. 1 and Fig. 2, the front being positioned at gripping handle 140 is provided with trigger rod 150, and trigger rod 150 is arranged rotationally with on switch enclosure 130.This trigger rod 150 comprises force application rod 150a, rotation pivot 150b and driven pivot 150c, and described rotation pivot 150b is connected with the first link 130b of described switch enclosure 130, and described driven pivot 150c is connected with the second link of described switch enclosure 130.The difference in height of the force application rod 150a of this trigger rod 150 and the grip part 140a of gripping handle 140 is 1cm, distance between the force application rod 150a of the trigger rod 150 and grip part 140a of described gripping handle 140 is 10cm, be slightly less than the hand length of user, therefore user is easy to the force section 150a of trigger rod 150 can be grasped in the centre of the palm together with the grip part 140a of gripping handle 140 and handles.In one embodiment, in order to reduce construction weight simultaneously not loss structure rigidity, trigger rod 150 can adopt rigid material to make Hollow circular beam, and the diameter that gripping handle 140 can adopt rigid material to make is greater than the Hollow circular beam of trigger rod 150.In another embodiment, grip process to prevent user to skid, the appearance of the grip part 140a of gripping handle 140 and the force section 150a of trigger rod 150 can be provided with anti-slip material with wrapping up, and if surface is with the soft rubber of anti-slip veins, is suitable for operation.
Refer again to Fig. 2, the upper surface of switch enclosure main body 130a is provided with the holding tank 130a ' caved inward, the safety button 161 that shape and size match with it is provided with in holding tank 130a ', the below of safety button 161 is provided with 4 touch poles, be provided with the first back-moving spring 161a between safety button 161 and described holding tank 130a ', safety button 161 selectively can be moved along short transverse in holding tank 130a '.
See Fig. 3, in described switch enclosure 130, immediately below holding tank 130a ', be provided with clutch coupling 163, described clutch coupling 163 comprises driven end 163a, and turning end 163b and sleeve 163c, sleeve 163c inside is provided with the accommodation hole with quantity such as the touch poles of holding tank 130a '; In switch enclosure 130, be provided with adjacently immediately below clutch coupling 163 and touch block 162, described shake-up block 162 comprises driving end 162a, touch end 162b and through hole 162c, described through hole 162c for holding the sleeve 163c of clutch coupling 163, sleeve 163c optionally rotates in through hole 162c; The driven end 163a of described the clutch coupling 163 and driving end 162a of described shake-up block 162 is oppositely arranged; The position relative with the shake-up end 162b of described shake-up block 162 is provided with gauge tap 180, and the switch contact 181 of described gauge tap 180 is relative with the shake-up end 162b of described shake-up block 162;
See Fig. 4, switch enclosure main body 130a is provided with keyhole position 170, key part selectively inserts described keyhole position 170 and connects with described switch enclosure 130, described key part comprises service portion and rotating part, the service portion of described key part is selectively inconsistent with the turning end 163b of described clutch coupling 163, the end of described rotation pivot 150b is connected with reset terminal 152 integratedly, below described reset terminal 152, switch enclosure 130 inside is provided with cushion block 150d, the 4th back-moving spring is provided with between described reset terminal 152 and the upper cover of described switch enclosure 130, described driven pivot 150c end is connected with tilting bar 151 integratedly, the transmission shaft 150c of trigger rod 150 has a central axis X, safety button 161 is selectively inconsistent with the sleeve 163c of described clutch coupling 163, the driven end 163a of described clutch coupling 163 is selectively inconsistent with the driving end 162a of described shake-up block 162, described tilting bar 151 is selectively conflicted with the shake-up end phase 162a of described shake-up block 162, the shake-up end 162b of described shake-up block 162 is selectively inconsistent with described switch contact 181.
See Fig. 5 and Fig. 6, trigger rod 150 relatively gripping handle 140 can between the second place shown in the primary importance shown in solid line and dotted line pivot, angle [alpha] between primary importance and the second place is roughly 25 °, when trigger rod 150 is pivoted to the second place just and gripping handle 140 lean.
Principle of work:
Refer again to Fig. 4, Fig. 5 and Fig. 6, when the service portion of described key part and the turning end 163b of described clutch coupling 163 inconsistent time, rotate the rotating part of described key part, thus promote described clutch coupling 163 and rotate, now clutch coupling 163 correspondingly produces rotation by the primary importance shown in solid line to the second place shown in dotted line, now down rotate in (the S direction in Fig. 4) to gripping handle 140 by pulling the central axis X of trigger rod 150 around its transmission shaft 150c while described safety button 161, tilting bar 151 promotes the shake-up end 162b of described shake-up block 162 under the transmission of trigger rod 150, now touch block 162 and correspondingly produce movement by the primary importance shown in solid line to the second place shown in dotted line, thus make to touch the switch contact 181 that end 162b can touch described gauge tap 180.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present invention.Application of the present invention, modifications and variations be will be readily apparent to persons skilled in the art.
As mentioned above, according to the present invention, owing to adopting single trigger rod 150 optionally to start triggering to the gauge tap 180 be arranged in switch enclosure 130, therefore flexible operation, convenience; Because the difference in height of the force application rod 150a of trigger rod 150 and the grip part 140a of gripping handle 140 is less, be approximately 0 ~ 2cm, and distance is between the two 8 ~ 13cm, be slightly less than the length of human body palm, make user firmly minimum when pulling operation, operation indefatigability, meets ergonomic design; Be different from two class protection switch designs of the prior art; due to have employed when the service portion of described key part and the turning end 163b of described clutch coupling 163 inconsistent time; rotate the rotating part of described key part; promote described clutch coupling 163 to rotate; down by this three-level protective switch rotating described trigger rod 150 while described safety button 161 and can touch the switch contact 181 of described gauge tap 180; make maloperation occurs or out of control time the loss reduction that causes, the safety of the user that can adequately protect.
Although embodiment of the present invention are open as above, but it is not limited in listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (7)
1., for a three-level protective switch for gardens electric tool, it is characterized in that, comprising:
Switch enclosure, it is hollow structure, described switch enclosure comprises switch enclosure main body, is positioned at the first link and second link at described switch enclosure main body two ends, and the upper surface of described switch enclosure main body is provided with the holding tank caved inward, and described switch enclosure main body is provided with keyhole position;
Safety button, the below of described safety button is provided with several touch poles, and the shape of described safety button and size and described holding tank match, and are located in described holding tank;
Clutch coupling, described clutch coupling comprises turning end, driven end and sleeve, and described sleeve is provided with the accommodation hole with quantity such as described touch poles, and described clutch coupling is arranged in described switch enclosure, and is positioned at immediately below described holding tank;
Touch block, described shake-up block comprises shake-up end, driving end and through hole, and described shake-up block is arranged in described switch enclosure, immediately below clutch coupling, and adjoins with described clutch coupling;
Key part, described key part comprises service portion and rotating part, and described key part selectively inserts described keyhole position and described switch enclosure connects, and described service portion is selectively inconsistent with the turning end of described clutch coupling; And
Gauge tap, described gauge tap is provided with switch contact and the shake-up end of described switch contact and described shake-up block is oppositely arranged;
Wherein, described switch enclosure is provided with trigger rod rotationally, described trigger rod comprises force application rod, rotation pivot and driven pivot, described rotation pivot is connected with described first link, described driven pivot is connected with described second link, described driven pivot end is connected with tilting bar integratedly, described safety button is selectively inconsistent with the sleeve of described clutch coupling, the driven end of described clutch coupling is selectively inconsistent with the driving end of described shake-up block, described tilting bar is selectively inconsistent with the shake-up end of described shake-up block, the shake-up end of described shake-up block is selectively inconsistent with described switch contact, when the service portion of described key part and the turning end of described clutch coupling inconsistent time, rotate the rotating part of described key part, promote described clutch coupling to rotate, down by rotating the switch contact that described trigger rod can touch described gauge tap while described safety button.
2. as claimed in claim 1 for the three-level protective switch of gardens electric tool; it is characterized in that; described switch enclosure is provided with gripping handle; described gripping handle comprises the grip part be positioned at above described switch enclosure; and being positioned at the first connecting portion, second connecting portion of both sides, described grip part, the first connecting portion of described gripping handle, the second connecting portion are fixedly connected with the first link of described switch enclosure, the second link respectively.
3., as claimed in claim 1 for the three-level protective switch of gardens electric tool, it is characterized in that, between described safety button and described holding tank, be provided with the first back-moving spring.
4. as claimed in claim 1 for the three-level protective switch of gardens electric tool; it is characterized in that; the driven end of described clutch coupling and the driving end of described shake-up block are oppositely arranged, and are provided with the second back-moving spring between the driving end of the driven end of described clutch coupling and described shake-up block.
5., as claimed in claim 1 for the three-level protective switch of gardens electric tool, it is characterized in that, between the below of described shake-up block and described switch enclosure, be provided with the 3rd back-moving spring.
6. as claimed in claim 1 for the three-level protective switch of gardens electric tool; it is characterized in that; the force application rod of described trigger rod is positioned at the front of the grip part of described gripping handle, and the difference in height of the force application rod of described trigger rod and the grip part of described gripping handle is 0 ~ 2cm.
7., as claimed in claim 6 for the three-level protective switch of gardens electric tool, it is characterized in that, the distance between the force application rod of described trigger rod and the grip part of described gripping handle is 8 ~ 13cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274291.8A CN104932607B (en) | 2015-05-26 | 2015-05-26 | A kind of three-level protective for gardens electric tool switchs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274291.8A CN104932607B (en) | 2015-05-26 | 2015-05-26 | A kind of three-level protective for gardens electric tool switchs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104932607A true CN104932607A (en) | 2015-09-23 |
| CN104932607B CN104932607B (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274291.8A Active CN104932607B (en) | 2015-05-26 | 2015-05-26 | A kind of three-level protective for gardens electric tool switchs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104932607B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731592A (en) * | 2017-11-14 | 2018-02-23 | 宁波奇亚园林工具有限公司 | A kind of switch enclosure with protection device |
| CN109997517A (en) * | 2019-01-16 | 2019-07-12 | 浙江亚特电器有限公司 | A kind of starter and grass trimmer for gardens electric tool |
| CN113496842A (en) * | 2020-04-01 | 2021-10-12 | 苏州金莱克精密机械有限公司 | Integrated switch box and mower |
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| CN2548241Y (en) * | 2002-06-10 | 2003-04-30 | 黄源 | Safety switch for electric equipment |
| CN201160377Y (en) * | 2008-01-29 | 2008-12-10 | 陈寅 | Switch of grass pulling machine |
| US20100162674A1 (en) * | 2008-12-31 | 2010-07-01 | Eaton Joshua D | Electric mower having two-motion activation system |
| CN102232332A (en) * | 2010-04-21 | 2011-11-09 | 苏州宝时得电动工具有限公司 | Mower |
| GB2506384A (en) * | 2012-09-27 | 2014-04-02 | Husqvarna Uk Ltd | Handle for a lawnmower |
| CN204667248U (en) * | 2015-05-26 | 2015-09-23 | 苏州金莱克精密机械有限公司 | A kind of three-level protective switch for gardens electric tool |
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2015
- 2015-05-26 CN CN201510274291.8A patent/CN104932607B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548241Y (en) * | 2002-06-10 | 2003-04-30 | 黄源 | Safety switch for electric equipment |
| CN201160377Y (en) * | 2008-01-29 | 2008-12-10 | 陈寅 | Switch of grass pulling machine |
| US20100162674A1 (en) * | 2008-12-31 | 2010-07-01 | Eaton Joshua D | Electric mower having two-motion activation system |
| CN102232332A (en) * | 2010-04-21 | 2011-11-09 | 苏州宝时得电动工具有限公司 | Mower |
| GB2506384A (en) * | 2012-09-27 | 2014-04-02 | Husqvarna Uk Ltd | Handle for a lawnmower |
| CN204667248U (en) * | 2015-05-26 | 2015-09-23 | 苏州金莱克精密机械有限公司 | A kind of three-level protective switch for gardens electric tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731592A (en) * | 2017-11-14 | 2018-02-23 | 宁波奇亚园林工具有限公司 | A kind of switch enclosure with protection device |
| CN109997517A (en) * | 2019-01-16 | 2019-07-12 | 浙江亚特电器有限公司 | A kind of starter and grass trimmer for gardens electric tool |
| CN113496842A (en) * | 2020-04-01 | 2021-10-12 | 苏州金莱克精密机械有限公司 | Integrated switch box and mower |
| CN113496842B (en) * | 2020-04-01 | 2023-11-07 | 苏州金莱克精密机械有限公司 | Integrated switch box and mower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104932607B (en) | 2016-07-13 |
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