CN102817970A - Motor gearbox for motor operating switch - Google Patents
Motor gearbox for motor operating switch Download PDFInfo
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- CN102817970A CN102817970A CN2011101536934A CN201110153693A CN102817970A CN 102817970 A CN102817970 A CN 102817970A CN 2011101536934 A CN2011101536934 A CN 2011101536934A CN 201110153693 A CN201110153693 A CN 201110153693A CN 102817970 A CN102817970 A CN 102817970A
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- gear
- clutch
- rotatingshaft
- clutch block
- gearbox
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Abstract
The invention discloses a motor gearbox for a motor operating switch. The motor gearbox for the motor operating switch comprises a gearbox body, a gear set driven by a motor is arranged in the gearbox body, two arbitrarily coaxial gears in the gear set are a first gear and a second gear respectively, the first gear is rotatably connected in the gearbox body through a rotating shaft and is fixedly connected with the rotating shaft, and the second gear is connected with the rotating shaft through an engaging and disengaging mechanism which is arranged on the gearbox body. When the engaging and disengaging mechanism is engaged with the second gear, the rotating shaft drives the second gear to rotate; and when the engaging and disengaging mechanism is disengaged with the second gear, the second gear stops rotating. The motor gearbox for the motor operating switch is capable of separating the gears from the motor in manual operation to enable the motor not to rotate along with working portions of a contact and an arc extinguishing chamber, and is simple in structure and simple and easy to operate manually.
Description
Technical field
The present invention relates to a kind of motor gearbox, relate in particular to a kind of motor gearbox that is used for electric motor operation switch.
Background technique
In the motor-driven electric motor operation switch; Can adopt dual mode that contact and arc-chutes working portion are driven respectively; A kind of is through motor driving contact and arc-chutes working portion; Another kind is direct manually-operable contact and the action of arc-chutes working portion; Wherein motor driving is normal working method, and manually-operable is just being debugged, keeped in repair, just can carry out under the situation such as test or manually-operable power switch, and manually-operable is directly contact and arc-chutes working portion to be operated.Because motor driving drives contact and arc-chutes working portion through gear-box; When contact hand-manipulated and arc-chutes working portion; Making motor also follow together through gearbox drive again rotates; Make the behaviour that goes smoothly firmly very big like this, especially for large current convertor switch, manual operations is got up difficult more.Simultaneously, motor rotates together with the gear in the gear-box during owing to manual behaviour, has quickened the wearing and tearing of motor and gearbox medium gear, has reduced the life-span of whole device.
Summary of the invention
The technical problem that the present invention will solve is; Rotating together to the related gearbox medium gear of manually-operable in the existing technology and motor has increased operation easier, has also quickened the wearing and tearing of motor and gearbox medium gear, the defective that has reduced whole device lifetime simultaneously, provide a kind of can be in manually-operable disengage gears and motor make motor not with contact and the rotation of arc-chutes working portion, simple in structure, motor gearbox that manually-operable is used for electric motor operation switch simply easily.
The technical solution adopted for the present invention to solve the technical problems is: a kind of motor gearbox that is used for electric motor operation switch; Comprise gear housing; Be provided with gear train in the said gear housing by driven by motor; Any two coaxial gears are respectively first gear and second gear in the said gear train, and said first gear is rotatably connected in the gear housing through rotatingshaft, and said first gear is fixedly connected with rotatingshaft; Said gear housing is provided with clutch mechanism, and said second gear is connected with rotatingshaft through said clutch mechanism; When the said clutch mechanism and second gear engagement, rotatingshaft drives second gear and rotates; When said clutch mechanism separated with second gear, second gear stopped operating.
Said clutch mechanism comprises the clutch case; Be provided with in the said clutch case spacing on rotatingshaft clutch block, with the elastic component of clutch block elasticity roof pressure and second gear engagement, be used to separate the shifting part of the clutch block and second gear engagement; When the said clutch block and second gear engagement, rotatingshaft drives second gear and rotates; When said clutch block separated with second gear, second gear stopped operating.
The two end part of said rotatingshaft are respectively clutch end and fixed end; Said clutch block is through the spacing clutch end that is arranged on rotatingshaft of position-limit mechanism; Said position-limit mechanism restriction clutch block rotates with rotatingshaft and endwisely slips along rotatingshaft; Said first gear is fixed on the fixed end of rotatingshaft, said second gear set on the rotatingshaft and and rotatingshaft between leave the gap.
Said clutch block has plug-in opening, and said clutch block is plugged on the clutch end of rotatingshaft through plug-in opening; Said position-limit mechanism is the platform that the clutch end of rotatingshaft cuts, and said plug-in opening inner wall shape is consistent with rotatingshaft clutch end form fit, makes clutch block endwisely slip with the rotatingshaft rotation and along rotatingshaft.
Said clutch block is concavo-convex the cooperation with the contacted end face of said second gear, and the two is pegged graft each other and makes clutch block drive second gear to rotate with rotatingshaft.
Said clutch block end face is provided with first boss that radioactivity is provided with along the rotatingshaft medial axis, and the end face that said second gear mesh is answered also radioactivity is provided with second boss, said first boss and the interlaced grafting of second boss.
Said shifting part one end is inserted between the clutch block and second gear, and the other end stretches out the clutch case from stirring of offering of clutch case one side the mouth.
The end that said shifting part stretches out the clutch case is fixedly connected with operating stem, and said operating stem drive shifting part moves and makes clutch block separate with second gear.
Said gear housing is provided with guide mechanism, and said guide mechanism is to said operating stem motion guide.Said elastic component is arranged between clutch block and the clutch chamber interior wall, and elastic component one end roof pressure is on the internal face of clutch case, and the other end roof pressure is on clutch block.
The present invention is employed in the existing gear-box clutch mechanism is set; Any two coaxial gear matched in clutch mechanism and the gear train; These two coaxial gears are first gear and second gear, make like this to be connected with rotatingshaft through clutch mechanism to second gear of contact with arc-chutes working portion output transmission, because rotatingshaft is fixedly connected with first gear; Motor is just through the gear train transmission or directly drive first gear and rotate; Rotatingshaft rotates synchronously, and when the said clutch mechanism and second gear engagement, rotatingshaft just drives second gear and rotates; When said clutch mechanism separated with second gear, second gear did not rotate, and conversely, the rotation of second gear can not have influence on the rotatingshaft and first gear yet during separation.Electric operating is to drive second gear by motor through first gear, rotatingshaft, clutch mechanism to rotate; Thereby driving contact and arc-chutes working portion rotates; And manually-operable is directly manually to make contact and arc-chutes working portion rotate; Because this second gear separates with clutch mechanism, then contact and arc-chutes working portion rotate and can not pass to the rotatingshaft and first gear, also just can not pass to motor; Reduce the motor and first gear and rotated wearing and tearing, made manually-operable easily simple, easy to operate.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of the embodiment of the invention rotatingshaft and first gear;
Fig. 3 is the structural representation of the embodiment of the invention second gear;
Fig. 4 is the structural representation of embodiment of the invention clutch block;
Fig. 5 is the structural representation of embodiment of the invention clutch block other direction;
Fig. 6 is the structural representation of embodiment of the invention operating stem.
Embodiment
As shown in Figure 1; A kind of motor gearbox that is used for electric motor operation switch; Comprise gear housing 1; Said gear housing 1 comprises gear-box cover plate 11 and gear-box base plate 12, and gear-box cover plate 11 is parallel to each other with gear-box base plate 12, is fixed together through the supporting post 13 in the two edge setting between said gear-box cover plate 11 and the gear-box base plate 12.
Like Fig. 1,2, shown in 3; Be provided with any in-line gears in rotatingshaft 6, the gear train in the said gear housing 1; Coaxial gear is first gear 5 and second gear 4; Said first gear 5 is rotatably connected in the gear housing 1 through rotatingshaft 6, and said gear housing 1 is provided with clutch mechanism 2, and said second gear 4 is connected with rotatingshaft 6 through said clutch mechanism 2; When said clutch mechanism 2 and 4 engagements of second gear, rotatingshaft 6 drives second gear 4 and rotates; When said clutch mechanism 2 separated with second gear 4, second gear 4 stopped operating.Wherein rotatingshaft 6 is provided with perpendicular to gear-box cover plate 11 and gear-box base plate 12, and the two end part of said rotatingshaft 6 are respectively clutch end 61 and fixed end, and rotatingshaft 6 passes the axis hole of first gear 5 and serves as that revolution one of is supported with the axis hole of first gear 5.The fixed end of rotatingshaft 6 is rotatably connected on the gear-box base plate 12 through bearing or axle sleeve, and the clutch end 61 of rotatingshaft 6 passes the connection mouth that is provided with on the gear-box cover plate 11, is inserted in the clutch mechanism 2.Said first gear 5 is sleeved near gear-box base plate 12 on the fixed end of rotatingshaft 6 and with rotatingshaft 6 and is fixedly connected, and first gear 5 also can be an integrative-structure with rotatingshaft 6.Said second gear 4 be sleeved on rotatingshaft 6 the middle part and and rotatingshaft 6 between leave the gap; Second gear 4 is provided with than major axis to be takeed on; And be axle with the shaft shoulder, serve as that revolution is supported and rotated with flanged (FLGD) axle sleeve 45, flanged (FLGD) axle sleeve 45 is arranged in the connection mouth of gear-box cover plate 11.The flange of axle sleeve 45 is between clutch block 23 and gear-box cover plate 11.
Like Fig. 1,3,4, shown in 5; Said clutch mechanism 2 comprises clutch case 21; Be provided with in the said clutch case 21 and spacingly be arranged on clutch block 23 on the rotatingshaft 6, with the elastic component 22 of clutch block 23 elasticity roof pressures and 4 engagements of second gear, be used to separate the shifting part 25 that clutch block 23 and second gear 4 mesh; When said clutch block 23 and 4 engagements of second gear, rotatingshaft 6 drives second gear 4 and rotates; When said clutch block 23 separated with second gear 4, second gear 4 stopped operating.
Said clutch block 23 is through the spacing clutch end 61 that is arranged on rotatingshaft 6 of position-limit mechanism; Said position-limit mechanism restriction clutch block 23 rotates with rotatingshaft 6 and can endwisely slip along rotatingshaft 6; The end of rotatingshaft 6 is inserted in the clutch case 21; Said clutch block 23 is through the spacing end that is arranged on rotatingshaft 6 of position-limit mechanism; Said position-limit mechanism restriction clutch block 23 rotates with rotatingshaft 6 and can endwisely slip along rotatingshaft 6, and said first gear 5 is fixed on rotatingshaft 6 on the inboard fixed end of gear-box base plate 12, said second gear 4 be sleeved on rotatingshaft 6 the middle part and and rotatingshaft 6 between leave the gap.
Endwisely slip with rotatingshaft 6 rotations and along rotatingshaft 6 in order to reach clutch block 23; Then position-limit mechanism is radially spacing to clutch block 23, axially not spacing; Therefore, the structure of position-limit mechanism is that the clutch end 61 of spline, flat key or rotatingshaft 6 is that non-cylindrical can be realized.It is non-cylindrical that present embodiment adopts clutch end 61, is many employing cutting ways during manufacturing, cuts one section platform 61a at the clutch end of columniform rotatingshaft, and technology makes spline relatively and flat key is more simple.Said clutch block 23 has plug-in opening 231, and said clutch block 23 is plugged on the clutch end 61 of rotatingshaft 6 through plug-in opening 231; Platform 61a can cut at least one on rotatingshaft 6; Make the cross section of clutch end 61 be semicircle, long-round-shape, fan-shaped, triangle, polygonal etc.; Said plug-in opening 231 inner wall shape are consistent with clutch end 61 form fit of rotatingshaft 6, make clutch block 23 endwisely slip with rotatingshaft 6 rotations and along rotatingshaft 6.In the present embodiment, adopting cross section is oblong clutch end 61, and it also is that cross section is a long-round-shape that the shape of plug-in opening 231 is mated.
Like Fig. 1,3,4, shown in 5, said clutch block 23 is concavo-convex the cooperation with said second gear, 4 contacted surface of contact, and the two is pegged graft each other and makes clutch block 23 drive second gear 4 with rotatingshaft 6 rotations.The surface of contact of the two can be boss and groove fit; Convenient in order to make the two peg graft, then boss and groove part are the radioactivity settings, and then no matter how the clutch block 23 or second gear 4 rotate; The two is easy to cooperate and pegs graft, and preferred boss cooperates consistent with groove shapes.In the present embodiment; Said clutch block 23 is that end face is provided with first boss 232 that is provided with along rotatingshaft 6 medial axis radioactivity; The wall of said second gear, 4 correspondences also radioactivity is provided with second boss 41, said first boss 232 and the 41 interlaced grafting of second boss.First boss 232 and second boss 41 are along at least two of the medial axis axisymmetric settings of rotatingshaft 6.First boss 232 is inserted between second boss 41; Most preferably first boss 232 and second boss 41 are symmetrical set two separately; Leave the gap between first boss 232 after the grafting and second boss 41; In clutch block 23 and second gear, 4 engagement processes, when the top do not pegged graft to be appearred in first boss 232 and second boss 41, this gap makes things convenient for clutch block 23 to rotate slightly can realize the two grafting.
Like Fig. 1, shown in 5; Shifting part 25 is to be used for clutch block 23 stirred with second gear 4 separating; Said shifting part 25 1 ends are inserted between the clutch block 23 and second gear 4, and the other end stretches out clutch case 21 from stirring mouthfuls 26 of offering of clutch case 21 1 sides, is used for manually moving shifting part 25.Shifting part 25 can be that U-groove bevel or perforate are opened in shifting part 25 ends with the structure of clutch block 23 and second gear, 4 plug-in mountings; Wherein the diameter of the width of U-groove bevel or perforate is less than the external profile diameter of clutch block 23; But do not fit, make clutch block 23 not influence the rotation of clutch block 23 and rotatingshaft 6 with rotatingshaft 6 outer wall.The width of stirring mouth 26 satisfies: shifting part 25 displacement distances can make clutch block 23 separate fully with second gear 4 or peg graft engagement fully.Shifting part 25 is a platy structure.
Like Fig. 1, shown in 6, the end that said shifting part 25 stretches out clutch case 21 is fixedly connected with operating stem 7, and said operating stem 7 drive shifting parts 25 move and make clutch block 23 separate with second gear 4, have made things convenient for the operation of shifting part 25.Specifically be pull joystick 7, clutch block 23 separates with second gear 4, promotes operating stem 7, and compressed elastic component 22 elastic force are pressed to second gear 4 with clutch block 23 makes the two grafting mesh.Said gear housing 1 is provided with guide mechanism, and said guide mechanism makes to prevent clutch block 23 motion excursion by operating stem 7 straight line motions to said operating stem 7 motion guides, separates insufficient or meshes insufficient.Guide mechanism is included in the gear-box cover plate 11 of gear housing 1 and the pilot hole 14 that gear-box base plate 12 is offered respectively; The pilot hole of on gear-box cover plate 11, offering 14 is consistent with operating stem 7 outer wall form fit; Prevent that operating stem 7 from rotating; The pilot hole of on gear-box base plate 12, offering 14 is the non-cylindrical hole, and corresponding operating stem 7 ends 71 shapes are consistent with pilot hole 14 form fit on the gear-box base plate 12.Operating stem 7 end cross-sectional are long-round-shape in the present embodiment, and the pilot hole 14 on the gear-box base plate 12 also is a long-round-shape.Operating stem 7 can not be provided with yet, and shifting part 25 prolongs or bending can form operating grip.
As shown in Figure 1; Clutch case 21 is the casing of an opening; The connection mouth that opening surface is provided with on the gear-box cover plate 11, clutch case 21, are enclosed in clutch end 61, the elastic component 22 of clutch block 23, rotatingshaft 6 in the clutch case 21 at gear-box cover plate 11 through screw.Elastic component 22 is arranged between clutch block 23 and clutch case 21 inwalls; An end roof pressure is on the internal face of clutch case 21 behind elastic component 22 pretensions; The other end roof pressure makes elastic component 22 clutch block 23 to be pressed on second gear, 4 end faces through elastic force on clutch block 23.Elastic component 22 can be helical spring, shell fragment etc., and present embodiment is selected helical spring, and clutch block 23 outer walls are provided with step, and helical spring one end is pressed on the step the other end roof pressure on clutch case 21 inwalls.Can also be provided with pad 24 between helical spring and the step, reduce the influence that helical spring rotates clutch block 23.
As shown in Figure 1, helical spring compresses clutch block 23, and second boss 41 of first boss 232 of clutch block 23 end faces and second gear, 4 end faces is pegged graft each other and meshed, and first gear 5 and second gear 4 rotate synchronously.When pull joystick 7; Operating stem 7 drives shifting part 25 and moves, and shifting part 25 roof pressures drive clutch block 23 same moved further, and helical spring is compressed; Clutch block 23 end faces, first boss 232 and second gear, 4 end faces, second boss 41 break away from, and second gear 4 realizes that with first gear 5 transmission separates.
Claims (10)
1. motor gearbox that is used for electric motor operation switch; Comprise gear housing; Be provided with the gear train by driven by motor in the said gear housing, any two coaxial gears are respectively first gear and second gear in the said gear train, and said first gear is rotatably connected in the gear housing through rotatingshaft; It is characterized in that said first gear is fixedly connected with rotatingshaft; Said gear housing is provided with clutch mechanism, and said second gear is connected with rotatingshaft through said clutch mechanism; When the said clutch mechanism and second gear engagement, rotatingshaft drives second gear and rotates; When said clutch mechanism separated with second gear, second gear stopped operating.
2. the motor gearbox that is used for electric motor operation switch according to claim 1; It is characterized in that; Said clutch mechanism comprises the clutch case; Be provided with in the said clutch case spacing on rotatingshaft clutch block, with the elastic component of clutch block elasticity roof pressure and second gear engagement, be used to separate the shifting part of the clutch block and second gear engagement, when the said clutch block and second gear engagement, rotatingshaft drives second gear and rotates; When said clutch block separated with second gear, second gear stopped operating.
3. the motor gearbox that is used for electric motor operation switch according to claim 2; It is characterized in that; The two end part of said rotatingshaft are respectively clutch end and fixed end, and said clutch block is through the spacing clutch end that is arranged on rotatingshaft of position-limit mechanism, and said position-limit mechanism restriction clutch block rotates with rotatingshaft and endwisely slips along rotatingshaft; Said first gear is fixed on the rotatingshaft, said second gear set on the rotatingshaft and and rotatingshaft between leave the gap.
4. the motor gearbox that is used for electric motor operation switch according to claim 3 is characterized in that said clutch block has plug-in opening, and said clutch block is plugged on the clutch end of rotatingshaft through plug-in opening; Said position-limit mechanism is the platform that the clutch end of rotatingshaft cuts, and said plug-in opening inner wall shape is consistent with rotatingshaft clutch end form fit, makes clutch block endwisely slip with the rotatingshaft rotation and along rotatingshaft.
5. the motor gearbox that is used for electric motor operation switch according to claim 2 is characterized in that, said clutch block is concavo-convex the cooperation with the contacted end face of said second gear, and the two is pegged graft each other and makes clutch block drive second gear to rotate with rotatingshaft.
6. the motor gearbox that is used for electric motor operation switch according to claim 5; It is characterized in that; Said clutch block end face is provided with first boss that radioactivity is provided with along the rotatingshaft medial axis; The end face that said second gear mesh is answered also radioactivity is provided with second boss, said first boss and the interlaced grafting of second boss.
7. the motor gearbox that is used for electric motor operation switch according to claim 2 is characterized in that, said shifting part one end is inserted between the clutch block and second gear, and the other end stretches out the clutch case from stirring of offering of clutch case one side the mouth.
8. the motor gearbox that is used for electric motor operation switch according to claim 7 is characterized in that, the end that said shifting part stretches out the clutch case is fixedly connected with operating stem, and said operating stem drive shifting part moves and makes clutch block separate with second gear.
9. the motor gearbox that is used for electric motor operation switch according to claim 8 is characterized in that said gear housing is provided with guide mechanism, and said guide mechanism is to said operating stem motion guide.
10. the motor gearbox that is used for electric motor operation switch according to claim 2 is characterized in that, said elastic component is arranged between clutch block and the clutch chamber interior wall, and elastic component one end roof pressure is on the internal face of clutch case, and the other end roof pressure is on clutch block.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153693.4A CN102817970B (en) | 2011-06-09 | 2011-06-09 | Motor gearbox for motor operating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153693.4A CN102817970B (en) | 2011-06-09 | 2011-06-09 | Motor gearbox for motor operating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102817970A true CN102817970A (en) | 2012-12-12 |
| CN102817970B CN102817970B (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110153693.4A Active CN102817970B (en) | 2011-06-09 | 2011-06-09 | Motor gearbox for motor operating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102817970B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500692A (en) * | 2014-12-16 | 2015-04-08 | 苏州市诚品精密机械有限公司 | Gear sleeve |
| CN104614311A (en) * | 2015-01-13 | 2015-05-13 | 苏州市职业大学 | Torsional mechanism suitable for low-frequency mechanical spectrum meter and used for adjusting position of sample |
| CN107830129A (en) * | 2017-11-30 | 2018-03-23 | 宁波杜亚机电技术有限公司 | A kind of clutch structure for window opener |
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| CN1274166A (en) * | 2000-06-01 | 2000-11-22 | 莫建平 | Drive unit in electric operation mechanism of breaker |
| DE10040713A1 (en) * | 1999-08-21 | 2001-03-29 | Marquardt Gmbh | Electrical switch used as rotary gear switch in vehicle, has rotary knob connected to motor through Maltese cross gear assembly, to move knob automatically to one of a number of preset operating positions according to set position of knob |
| JP2001509359A (en) * | 1997-01-21 | 2001-07-10 | シーメンス アクチエンゲゼルシヤフト | Loading / unloading device for power low-voltage circuit breakers |
| CN101197217A (en) * | 2007-12-12 | 2008-06-11 | 无锡市凯旋电机有限公司 | Electric motor operation switch with engaging and disengaging gear |
| CN101763961A (en) * | 2010-01-22 | 2010-06-30 | 无锡市凯旋电机有限公司 | Clutch device of electric operating mechanism for switch and circuit breaker |
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2011
- 2011-06-09 CN CN201110153693.4A patent/CN102817970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001509359A (en) * | 1997-01-21 | 2001-07-10 | シーメンス アクチエンゲゼルシヤフト | Loading / unloading device for power low-voltage circuit breakers |
| DE10040713A1 (en) * | 1999-08-21 | 2001-03-29 | Marquardt Gmbh | Electrical switch used as rotary gear switch in vehicle, has rotary knob connected to motor through Maltese cross gear assembly, to move knob automatically to one of a number of preset operating positions according to set position of knob |
| CN1274166A (en) * | 2000-06-01 | 2000-11-22 | 莫建平 | Drive unit in electric operation mechanism of breaker |
| CN101197217A (en) * | 2007-12-12 | 2008-06-11 | 无锡市凯旋电机有限公司 | Electric motor operation switch with engaging and disengaging gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500692A (en) * | 2014-12-16 | 2015-04-08 | 苏州市诚品精密机械有限公司 | Gear sleeve |
| CN104614311A (en) * | 2015-01-13 | 2015-05-13 | 苏州市职业大学 | Torsional mechanism suitable for low-frequency mechanical spectrum meter and used for adjusting position of sample |
| CN107830129A (en) * | 2017-11-30 | 2018-03-23 | 宁波杜亚机电技术有限公司 | A kind of clutch structure for window opener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102817970B (en) | 2015-04-22 |
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