CN108448811B - Novel speed reduction variable speed motor - Google Patents
Novel speed reduction variable speed motor Download PDFInfo
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- CN108448811B CN108448811B CN201810485626.4A CN201810485626A CN108448811B CN 108448811 B CN108448811 B CN 108448811B CN 201810485626 A CN201810485626 A CN 201810485626A CN 108448811 B CN108448811 B CN 108448811B
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- 230000009467 reduction Effects 0.000 title claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 230000008859 change Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 128
- 230000009365 direct transmission Effects 0.000 claims description 49
- 230000009349 indirect transmission Effects 0.000 claims description 43
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 21
- 238000007665 sagging Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The invention discloses a novel speed reduction and change motor, which comprises a motor rotating shaft, an output rotating shaft and a speed reduction mechanism, wherein the output rotating shaft is positioned right above the motor rotating shaft, the speed reduction mechanism is arranged on one side of the motor rotating shaft and the output rotating shaft, a switching mechanism capable of shifting along the axis direction of the motor rotating shaft is arranged between the motor rotating shaft and the output rotating shaft, and the switching mechanism enables the motor rotating shaft to be directly connected with the output rotating shaft through shifting or enables the motor rotating shaft to be indirectly connected with the output rotating shaft through the speed reduction mechanism. The motor rotating shaft can be directly connected with the output rotating shaft to be in a direct output state, can also be indirectly connected with the output rotating shaft to be in a deceleration output state through the deceleration mechanism, can realize the switching of two different output states through the switching mechanism capable of shifting along the axis direction, does not need to move the larger and heavier components such as the motor rotating shaft, the output rotating shaft or the deceleration mechanism, and has reasonable structural design, convenient switching and smoothness and no abnormal sound.
Description
Technical Field
The invention relates to the field of variable speed motors, in particular to a novel speed reduction variable speed motor.
Background
At present, most motors applied to electric appliances such as a pulverizer and a wall breaking machine in the market have the functions of speed reduction and speed change, but most speed reduction and speed change motors have the common problems of unreasonable structural design, poor mechanism matching, unsmooth switching, abnormal sound and vibration generation easily, gear damage and the like in serious cases.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a novel speed reduction and speed change motor which is reasonable in structural design, can conveniently realize speed change switching between direct output and speed reduction output of the motor, and is smooth in switching and free of abnormal noise.
The invention solves the problems by adopting the following technical scheme:
the utility model provides a novel speed reduction variable speed motor, includes the motor shaft, is located output pivot directly over the motor shaft and set up in motor shaft and the reduction gears of output pivot one side, be provided with between motor shaft and the output pivot and follow the shifter that the axle center direction of motor shaft shifted, shifter makes through the shift motor shaft directly with output pivot is connected or makes the motor shaft passes through the reduction gears indirect with output shaft connects.
Further, the switching mechanism comprises a first switching part used for connecting the motor rotating shaft and the output rotating shaft and a second switching part used for connecting the motor rotating shaft and the speed reducing mechanism, the first switching part and the second switching part are connected together to carry out linkage displacement, and when the motor rotating shaft is directly connected with the output rotating shaft, the second switching part is separated from the speed reducing mechanism; when the motor rotating shaft is indirectly connected with the output rotating shaft through the speed reducing mechanism, the first switching part is separated from the output rotating shaft.
Further, the first switching part comprises a direct transmission part arranged at the top of the motor rotating shaft and rotating along with the motor rotating shaft and a stress transmission part arranged at the bottom of the output rotating shaft and used for driving the output rotating shaft to rotate, the upper end face of the direct transmission part is provided with a direct transmission groove, and the lower end face of the stress transmission part is provided with a direct transmission convex column matched with the direct transmission groove; the stress transmission part and the second switching part are connected together to realize linkage displacement, and when the motor rotating shaft is indirectly connected with the output rotating shaft through the speed reducing mechanism, the stress transmission part is separated from the direct transmission part.
Further, the second switching part comprises a speed reduction transmission part which is arranged on the motor rotating shaft and rotates along with the motor rotating shaft and an indirect transmission part connected with the speed reduction mechanism, the indirect transmission part is arranged between the direct transmission part and the indirect transmission part, a speed reduction transmission groove is formed in the lower end face of the indirect transmission part, and a speed reduction transmission convex column matched with the speed reduction transmission groove is arranged on the upper end face of the speed reduction transmission part; the speed reduction transmission part and the stress transmission part are connected together to realize linkage displacement, and when the motor rotating shaft is directly connected with the output rotating shaft, the speed reduction transmission part is separated from the indirect transmission part.
Further, the speed reducing mechanism comprises a speed reducing rotating shaft parallel to the motor rotating shaft, and a primary speed reducing structure and a secondary speed reducing structure which are positioned at the upper end and the lower end of the speed reducing rotating shaft;
the primary speed reduction structure comprises a first driving gear sleeved on the motor rotating shaft and a first driven gear sleeved on the speed reduction rotating shaft, and the first driving gear and the first driven gear are meshed with each other; the first driving gear is driven by the indirect transmission part to rotate;
the secondary speed reduction structure comprises a second driving gear sleeved on the speed reduction rotating shaft and a second driven gear sleeved on the output rotating shaft, and the second driving gear and the second driven gear are meshed with each other; the second driven gear is arranged above the stress transmission part, an indirect transmission groove is formed in the lower end face of the second driven gear, and an indirect transmission convex column matched with the indirect transmission groove is arranged on the upper end face of the stress transmission part.
Further, the force-bearing transmission part and the speed-reducing transmission part are both provided with lantern rings in the middle, and the lantern rings are connected together through connecting rods.
Preferably, the centrifugal switching mechanism drives the force-bearing transmission part and the speed-reducing transmission part to move in a linkage way, the centrifugal switching mechanism comprises suspension parts arranged on two sides of the direct transmission part, and the suspension parts comprise suspension holes, a bearing part above the suspension holes and a sagging part below the suspension holes.
As another preferred scheme of the application, when the centrifugal switching mechanism is not adopted, an electromagnetic switching mechanism which drives the stress transmission part to move in a linkage way with the speed reduction transmission part is adopted, the electromagnetic switching mechanism comprises an electromagnet which is arranged below the connecting rod and used for attracting the connecting rod and a reset spring which drives the connecting rod to reset, and the reset spring drives the connecting rod to reset through a reset elastic sheet.
Further, the motor cabinet is further included, and the output rotating shaft is fixed on the motor cabinet through two bearings.
As another preferred centrifugal switching scheme of this application, still including driving atress drive portion with the centrifugal switching mechanism that speed reduction drive portion linkage shifted, centrifugal switching mechanism is including installing the suspension element of direct drive portion both sides, suspension element is including hanging hole and the portion of hanging the sagging of hole below, direct drive portion next door still is provided with the carousel, the carousel top evenly is provided with the first boss that is used for holding up of mutual spaced apart the lantern ring, first boss below evenly is provided with the second boss of mutual spaced apart, second boss below evenly is provided with the third boss of mutual spaced apart.
As another preferable motor switching scheme of the present application, the motor switching device further comprises a switching motor for driving the force-bearing transmission part to shift in linkage with the speed-reducing transmission part, wherein the switching motor is arranged beside the force-bearing transmission part and the speed-reducing transmission part and is connected with the lantern ring, and the lantern ring comprises a connecting sheet sleeved on a shaft of the switching motor.
The beneficial effects of the invention are as follows: the novel speed reduction and change motor adopted by the invention has the advantages that the motor rotating shaft can be directly connected with the output rotating shaft to be in a direct output state, the motor rotating shaft can also be indirectly connected with the output rotating shaft to be in a speed reduction output state through the speed reduction mechanism, the switching of two different output states is realized through the arrangement of the switching mechanism capable of shifting along the axis direction of the motor rotating shaft, and the motor rotating shaft, the output rotating shaft or the speed reduction mechanism do not need to be moved, so that the novel speed reduction and change motor has the advantages of reasonable structural design, convenience in switching, smoothness and no abnormal noise.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a partial schematic view of a first embodiment of the present invention;
FIG. 3 is a schematic view of a connecting member according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the operation of a centrifugal switching mechanism according to a first embodiment of the present invention;
fig. 5 is a structural view of a suspension member according to the first embodiment of the present invention;
fig. 6 is a schematic structural view of a centrifugal switching mechanism according to a first embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electromagnetic switching mechanism according to a second embodiment of the present invention;
FIG. 8 is a schematic diagram of the installation of components on the motor shaft and output shaft of the present invention;
FIG. 9 is a schematic view of a third embodiment of the present invention;
fig. 10 is a schematic structural view of a centrifugal switching mechanism according to a fourth embodiment of the present invention;
fig. 11 is a schematic diagram of motor switching according to a fifth embodiment of the present invention.
Detailed Description
Example 1
Referring to fig. 1-2, the novel speed reduction and change motor comprises a motor rotating shaft 1, an output rotating shaft 2 positioned right above the motor rotating shaft 1 and a speed reduction mechanism 3 arranged on one side of the motor rotating shaft 1 and one side of the output rotating shaft 2, wherein a switching mechanism capable of shifting along the axis direction of the motor rotating shaft 1 is arranged between the motor rotating shaft 1 and the output rotating shaft 2, and comprises a first switching part for connecting the motor rotating shaft 1 and the output rotating shaft 2 and a second switching part for connecting the motor rotating shaft 1 and the speed reduction mechanism 3; the first switching part comprises a direct transmission part 11 arranged at the top of the motor rotating shaft 1 and rotating along with the motor rotating shaft 1 and a force transmission part 21 arranged at the bottom of the output rotating shaft 2 and used for driving the output rotating shaft 2 to rotate, the upper end surface of the direct transmission part 11 is provided with a direct transmission groove 111, and the lower end surface of the force transmission part 21 is provided with a direct transmission convex column 211 matched with the direct transmission groove 111; the second switching part comprises a speed reduction transmission part 12 arranged on the motor rotating shaft 1 and rotating along with the motor rotating shaft 1 and an indirect transmission part 13 connected with the speed reduction mechanism, the indirect transmission part 13 is arranged between the direct transmission part 11 and the indirect transmission part 13, a speed reduction transmission groove 131 is arranged on the lower end surface of the indirect transmission part 13, and a speed reduction transmission convex column 121 matched with the speed reduction transmission groove 131 is arranged on the upper end surface of the speed reduction transmission part 12; the speed reduction transmission part 12 and the stress transmission part 21 are connected together to carry out linkage displacement, and when the motor rotating shaft 1 is directly connected with the output rotating shaft 2, the speed reduction transmission part 12 is separated from the indirect transmission part 13; when the motor shaft 1 is indirectly connected with the output shaft 2 through the reduction mechanism 3, the force-bearing transmission part 21 is separated from the direct transmission part 11.
Specifically, when the reduction transmission part 12 and the stress transmission part 21 are linked and shifted to the position shown in fig. 1, the reduction transmission part 12 and the indirect transmission part 13 are separated at this time, the direct transmission groove 111 on the upper end surface of the direct transmission part 11 and the direct transmission boss 211 on the lower end surface of the stress transmission part 21 are matched and connected with each other, the motor rotating shaft 1 drives the direct transmission part 11 to rotate, the direct transmission part 11 drives the stress transmission part 21 connected with the direct transmission part to rotate, and the stress transmission part 21 drives the output rotating shaft 2 to rotate, so that the motor rotating shaft works in the direct output state. At this time, it should be noted that the reduction transmission part 12 is separated from the indirect transmission part 13, and the reduction transmission part 12 also rotates along with the motor shaft 1 but is not connected to the indirect transmission part 13, and the indirect transmission part 13 is in an idle state.
Similarly, when the reduction transmission part 12 and the stress transmission part 21 are linked and shifted upwards together and the direct transmission part 11 positioned at the top of the motor rotating shaft 1 and the stress transmission part 21 positioned at the bottom of the output rotating shaft 2 are separated, the reduction transmission convex column 121 on the upper end surface of the reduction transmission part 12 and the reduction transmission groove 131 on the lower end surface of the indirect transmission part 13 are matched and connected with each other, the motor rotating shaft 1 drives the reduction transmission part 12 to rotate, the reduction transmission part 12 drives the indirect transmission part 13 to rotate, the indirect transmission part 13 drives the reduction mechanism 3 connected with the indirect transmission part to rotate, and the reduction mechanism 3 drives the output rotating shaft 2 to rotate, so that the motor rotating shaft works in a reduction output state. At this time, it should also be noted that the direct transmission part 11 rotates along with the motor shaft 1, and the force-receiving transmission part 21 rotates together with the output shaft 2, but the direct transmission part 11 and the force-receiving transmission part 21 are separated from each other.
Further, the speed reducing mechanism 3 comprises a speed reducing rotating shaft 31 parallel to the motor rotating shaft 1, and a primary speed reducing structure 32 and a secondary speed reducing structure 33 which are positioned at the upper end and the lower end of the speed reducing rotating shaft 31; the primary speed reducing structure 32 comprises a first driving gear 321 sleeved on the motor rotating shaft 1 and a first driven gear 322 sleeved on the speed reducing rotating shaft 31, and the first driving gear 321 and the first driven gear 322 are meshed with each other; the first driving gear 321 is driven to rotate by the indirect transmission part 13; the secondary speed reduction structure 33 comprises a second driving gear 331 sleeved on the speed reduction rotating shaft 31 and a second driven gear 332 sleeved on the output rotating shaft 2, and the second driving gear 331 and the second driven gear 332 are meshed with each other; the second driven gear 332 is disposed above the force-bearing transmission portion 21, an indirect transmission groove 3321 is disposed on a lower end surface of the second driven gear 332, and an indirect transmission boss 212 matched with the indirect transmission groove 3321 is disposed on an upper end surface of the force-bearing transmission portion 21. Specifically, when the reduction transmission part 12 and the stress transmission part 21 are linked and shifted to the position shown in fig. 1, and the reduction motor is in a direct output state, the stress transmission part 21 is separated from the second driven gear 332, and the stress transmission part 21 drives the output rotating shaft 2 to rotate but is not connected with the second driven gear 332, so that the second driven gear 332 does not rotate along with the output rotating shaft 2, but is in an idle state; similarly, when the motor is in the deceleration output state, the indirect transmission groove 3321 on the lower end surface of the second driven gear 332 is connected with the indirect transmission convex column 212 on the upper end surface of the force transmission part 21 in a matching manner, and the force transmission part 21 is driven to rotate by the second driven gear 332, and the force transmission part 21 drives the output rotating shaft 2 to rotate.
Referring to fig. 3, the connecting member includes a collar 41 provided in the middle of the force transmission portion 21 and the reduction transmission portion 12, and the collars 41 are connected together by a link 42. Specifically, extension parts for connecting the connecting rod 42 are respectively arranged at two ends of the collar 41 arranged between the force-receiving transmission part 21 and the speed-reducing transmission part 12, and the connecting rod 42 is arranged between the upper extension part and the lower extension part, so that the connecting rod 42 drives the force-receiving transmission part 21 and the speed-reducing transmission part 12 to move up and down at the same time. In order to facilitate the observation of the structure of the connection member, the positions of the direct transmission portion 11, the first driving gear 321, and the indirect transmission portion 13 are moved in the direction indicated by the arrow, and in practice the direct transmission portion 11, the first driving gear 321, and the indirect transmission portion 13 are mounted on the output shaft 2.
Referring to fig. 4 to 6, the centrifugal switching mechanism for driving the force-receiving transmission portion 21 and the speed-reducing transmission portion 12 to switch from the first working position to the second working position is further included, the centrifugal switching mechanism includes suspension members 51 mounted on both sides of the direct transmission portion 11, and the suspension members 51 include suspension holes 511, a supporting portion 512 above the suspension holes 511, and a sagging portion 513 below the suspension holes 511. Specifically, as shown in fig. 5, the suspension member 51 is suspended at two sides of the direct transmission portion 11 through the suspension hole 511, and at this time, the sagging portion 513 sags naturally due to gravity, so that the bearing portion 512 lifts up the force transmission portion 21 above the direct transmission portion 11, and the force transmission portion 21 and the speed reduction transmission portion 12 are located at the first working position, and work in the speed reduction output state; when the rotation speed of the motor shaft 1 is continuously increased, the direct transmission part 11 is driven to rotate faster and faster, and under the action of centrifugal force, the suspension member 51 is in the state shown in fig. 6, the hanging part 513 is located outside the hanging hole 511, so that the bearing part 512 is located inside the hanging hole 511, the hanging part 513 is relatively horizontal to the bearing part 512, and the bearing part 512 does not lift the direct transmission part 11 any more, so that the stress transmission part 21 and the reduction transmission part 12 are located at the second working position and work in the direct output state.
Referring to fig. 8, further describing the connection relationship between the direct transmission part 11, the reduction transmission part 12, the indirect transmission part 13 and the first driving gear 321 arranged on the motor shaft 1 and the motor shaft 1, the motor shaft 1 is used for installing the direct transmission part 11, the reduction transmission part 12, the indirect transmission part 13 and the first driving gear 321, and both sides of the position are cut off a small block, so that the cross section of the motor shaft 1 is not a complete circle, but an elliptical-like graph composed of two parallel straight lines and two symmetrical circular arcs, and the cross section of the holes of the direct transmission part 11 and the reduction transmission part 12 for installing on the motor shaft 1 is the same as the cross section of the position of the motor shaft 1, so that the direct transmission part 11 and the reduction transmission part 12 follow the motor shaft 1 whenever the holes of the indirect transmission part 13 and the first driving gear 321 are circular and the diameter of the hole of the first driving gear 321 are slightly larger than the direct diameter of the motor shaft 1, so that the indirect transmission part 13 and the first driving gear 321 do not follow the motor shaft 1 when the motor shaft 1 rotates; similarly, two sides of the position on the output shaft 2 where the stress transmission part 21 is mounted are cut off a small block, the hole on the output shaft 2 where the stress transmission part 21 is mounted is the same as the cross section of the position on the output shaft 2, so that the stress transmission part 21 rotates together with the output shaft 2 whenever, the hole on the output shaft 2 of the second driven gear 332 is circular and has a slightly larger diameter than the diameter of the direct part of the output shaft 2, and the second driven gear 332 does not rotate along with the output shaft 2 when the output shaft 2 rotates.
Further, the novel speed reduction variable speed motor further comprises a motor base, and the output rotating shaft 2 is fixed on the motor base through two bearings, so that shaking caused by unbalanced stress of the output rotating shaft 2 is avoided.
Example two
Referring to fig. 7, when the centrifugal switching mechanism is not adopted, an electromagnetic switching mechanism for driving the force-bearing transmission portion 21 and the speed-reducing transmission portion 12 to switch from the first working position to the second working position is adopted, the electromagnetic switching mechanism comprises an electromagnet 61 arranged below the connecting rod 42 and used for attracting the connecting rod 42, and a return spring 62 for driving the connecting rod 42 to return, and the return spring 62 drives the connecting rod 42 to return through a return spring piece 63. Specifically, when the electromagnet 61 is electrified to attract the connecting rod 42, the force-bearing transmission part 21 and the speed-reducing transmission part 12 are driven to be in the second working state; when the electromagnet 61 is powered off, the connecting rod 42 is not attracted any more, the reset spring piece 63 is sprung up by the reset spring piece 62, and the connecting rod 42 is driven by the reset spring piece 63 to reset, so that the stressed transmission part 21 and the speed reduction transmission part 12 are in the first working state.
Example III
Referring to fig. 9, a novel speed reduction and change motor according to a third embodiment of the present invention includes a motor shaft 10, an output shaft 20 directly above the motor shaft 10, and a speed reduction mechanism 30 disposed on the right side of the motor shaft 10 and the output shaft 20, wherein the speed reduction mechanism 30 includes a speed reduction shaft 301 parallel to the motor shaft 10, and includes a first driving gear 302 disposed on the motor shaft 10, a first driven gear 303 and a second driving gear 304 disposed on the speed reduction shaft 301, and a second driven gear 305 disposed on the output shaft 20, the first driving gear 302 rotates along with the motor shaft 10, the second driven gear 305 rotates along with the output shaft 20, a first switching portion 101 and a second switching portion 102 are further disposed on the motor shaft 10, the first switching portion 101 is disposed on the top of the motor shaft 10, the second switching portion 102 is disposed below the first driving gear 302, and the first switching portion 101 and the second switching portion 102 are connected together to be movable up and down along the axial direction. Specifically, when the first switching portion 101 and the second switching portion 102 are located at the positions shown in fig. 9, the motor shaft 10 drives the first driving gear 302 to rotate, at this time, the first driving gear 302 and the first driven gear 303 are located at the same horizontal plane and are meshed with each other, so as to drive the first driven gear 303 to rotate, the first driven gear 303 drives the speed reduction shaft 301 to rotate, the speed reduction shaft 301 drives the second driving gear 304 to rotate, the second driving gear 304 drives the second driven gear 305 to rotate, the second driven gear 305 drives the output shaft 20 to rotate, and at this time, the first switching portion 101 and the second driven gear 305 are separated from each other; when the first switching part 101 and the second switching part 102 move upwards along the axis together and connect the first switching part 101 and the second driven gear 305 together, the first driving gear 302 is also driven by the second switching part 102 to move upwards and separate from the first driven gear 303 due to the height difference, the motor shaft 10 drives the first switching part 101 to rotate, the first switching part 101 drives the second driven gear 305 to rotate, and the second driven gear 305 drives the output shaft 20 to rotate, so as to be in a direct output state.
Example IV
Referring to fig. 10, a novel speed reduction and change motor according to a fourth embodiment of the present invention adopts another centrifugal switching mechanism for driving the force-bearing transmission portion 21 and the speed reduction transmission portion 12 to move in a linkage manner, the centrifugal switching mechanism includes suspension members 51 mounted on two sides of the direct transmission portion 11, the suspension members 51 include suspension holes 511 and a sagging portion 513 below the suspension holes 511, a turntable 7 is further disposed beside the direct transmission portion 11, first bosses 71 spaced apart from each other for supporting the collar 41 are uniformly disposed on top of the turntable 7, second bosses 72 spaced apart from each other are uniformly disposed below the first bosses 71, and third bosses 73 spaced apart from each other are uniformly disposed below the second bosses 72. When the suspension member 51 naturally sags, the sagging portion 513 rotates along with the direct transmission portion 11 and drives the third boss 73 to rotate, after the third boss 73 drives the whole turntable 7 to rotate by a certain angle, the sagging portion 513 can not drive the third boss 73 to rotate any more at this time, but can freely rotate from the interval between the two third bosses 73, at this time, the first boss 71 supports the collar 41 to enable the force transmission portion 21 and the speed reduction transmission portion 12 to be located at the first working position, and work in the speed reduction output state; when the rotation speed of the motor rotating shaft 1 is continuously increased, the direct transmission part 11 is driven to rotate faster and faster, at this time, under the action of centrifugal force, the sagging part 513 moves upwards and drives the second boss 72 to rotate, after the second boss 72 drives the whole turntable 7 to rotate a certain angle again, at this time, the sagging part 513 can not drive the second boss 72 to rotate any more, but can freely rotate from the interval between the two second bosses 72, at this time, the first boss 71 does not support the collar 41 any more, the collar 41 falls at the interval between the two first bosses 71, and the stressed transmission part 21 and the speed reduction transmission part 12 are located at the second working position and work in the direct output state.
In order to limit the rotation angle of the turntable 7 driven by the sagging portion 513 each time, a plurality of grooves are uniformly formed in the middle of the turntable 7, and after each rotation angle, the limiting rod is driven by the spring to move to the grooves, so that the turntable 7 does not continue to rotate any more, and the next time the sagging portion 513 is guided to drive the turntable 7 to rotate.
Example five
Referring to fig. 11, a novel speed reduction and change motor according to a fifth embodiment of the present invention adopts a motor switching manner, and further includes a switching motor 8 for driving the force transmission portion 21 and the speed reduction transmission portion 12 to move in a linkage manner, wherein the switching motor 8 is disposed beside the force transmission portion 21 and the speed reduction transmission portion 12 and is connected to the collar 41, and the collar 41 includes a connecting piece 411 sleeved on a shaft of the switching motor 8. The connecting piece 411 is driven to lift by controlling the forward and reverse rotation of the switching motor 8, so as to drive the lantern ring 41 to lift, and further drive the stress transmission part 21 and the reduction transmission part 12 to lift, thereby realizing linkage displacement.
The present invention is not limited to the above embodiments, but is merely preferred embodiments of the present invention, and the present invention should be construed as being limited to the above embodiments as long as the technical effects of the present invention are achieved by the same means.
Claims (5)
1. The novel speed reduction and change motor is characterized by comprising a motor rotating shaft (1), an output rotating shaft (2) and a speed reduction mechanism (3), wherein the output rotating shaft (2) is positioned right above the motor rotating shaft (1), the speed reduction mechanism (3) is arranged on one side of the motor rotating shaft (1) and one side of the output rotating shaft (2), a switching mechanism capable of shifting along the axis direction of the motor rotating shaft (1) is arranged between the motor rotating shaft (1) and the output rotating shaft (2), and the switching mechanism enables the motor rotating shaft (1) to be directly connected with the output rotating shaft (2) through shifting or enables the motor rotating shaft (1) to be indirectly connected with the output rotating shaft (2) through the speed reduction mechanism (3);
wherein:
the switching mechanism comprises a first switching part used for connecting the motor rotating shaft (1) and the output rotating shaft (2) and a second switching part used for connecting the motor rotating shaft (1) and the speed reducing mechanism (3), wherein the first switching part and the second switching part are connected together to carry out linkage displacement, and when the motor rotating shaft (1) is directly connected with the output rotating shaft (2), the second switching part is separated from the speed reducing mechanism (3); when the motor rotating shaft (1) is indirectly connected with the output rotating shaft (2) through the speed reducing mechanism (3), the first switching part is separated from the output rotating shaft (2);
the first switching part comprises a direct transmission part (11) arranged at the top of the motor rotating shaft (1) and rotating along with the motor rotating shaft (1) and a force transmission part (21) arranged at the bottom of the output rotating shaft (2) and used for driving the output rotating shaft (2) to rotate, a direct transmission groove (111) is formed in the upper end face of the direct transmission part (11), and a direct transmission convex column (211) matched with the direct transmission groove (111) is arranged on the lower end face of the force transmission part (21); the stress transmission part (21) and the second switching part are connected together to carry out linkage displacement, and when the motor rotating shaft (1) is indirectly connected with the output rotating shaft (2) through the speed reducing mechanism (3), the stress transmission part (21) is separated from the direct transmission part (11);
the second switching part comprises a speed reduction transmission part (12) arranged on the motor rotating shaft (1) and rotating along with the motor rotating shaft (1) and an indirect transmission part (13) connected with the speed reduction mechanism, the indirect transmission part (13) is arranged between the direct transmission part (11) and the indirect transmission part (13), a speed reduction transmission groove (131) is formed in the lower end face of the indirect transmission part (13), and a speed reduction transmission convex column (121) matched with the speed reduction transmission groove (131) is arranged on the upper end face of the speed reduction transmission part (12); the speed reduction transmission part (12) and the stress transmission part (21) are connected together to carry out linkage displacement, and when the motor rotating shaft (1) is directly connected with the output rotating shaft (2), the speed reduction transmission part (12) is separated from the indirect transmission part (13);
the speed reducing mechanism (3) comprises a speed reducing rotating shaft (31) parallel to the motor rotating shaft (1), and a primary speed reducing structure (32) and a secondary speed reducing structure (33) which are positioned at the upper end and the lower end of the speed reducing rotating shaft (31);
the primary speed reduction structure (32) comprises a first driving gear (321) sleeved on the motor rotating shaft (1) and a first driven gear (322) sleeved on the speed reduction rotating shaft (31), and the first driving gear (321) and the first driven gear (322) are meshed with each other; the first driving gear (321) is driven by the indirect transmission part (13) to rotate;
the secondary speed reduction structure (33) comprises a second driving gear (331) sleeved on the speed reduction rotating shaft (31) and a second driven gear (332) sleeved on the output rotating shaft (2), and the second driving gear (331) and the second driven gear (332) are meshed with each other; the second driven gear (332) is arranged above the force-bearing transmission part (21), an indirect transmission groove (3321) is formed in the lower end face of the second driven gear (332), and an indirect transmission convex column (212) matched with the indirect transmission groove (3321) is arranged on the upper end face of the force-bearing transmission part (21);
and lantern rings (41) are arranged between the stress transmission part (21) and the speed reduction transmission part (12), and the lantern rings (41) are connected together through connecting rods (42).
2. The novel speed reduction and change motor according to claim 1, further comprising a centrifugal switching mechanism for driving the force-bearing transmission part (21) and the speed reduction transmission part (12) to move in a linkage manner, wherein the centrifugal switching mechanism comprises hanging parts (51) arranged on two sides of the direct transmission part (11), and the hanging parts (51) comprise hanging holes (511), supporting parts (512) above the hanging holes (511) and hanging parts (513) below the hanging holes (511).
3. The novel speed reduction and transmission motor according to claim 1, further comprising an electromagnetic switching mechanism for driving the force-bearing transmission part (21) and the speed reduction transmission part (12) to move in a linkage manner, wherein the electromagnetic switching mechanism comprises an electromagnet (61) arranged below the connecting rod (42) and used for attracting the connecting rod (42) and a reset spring (62) for driving the connecting rod (42) to reset, and the reset spring (62) drives the connecting rod (42) to reset through a reset spring piece (63).
4. The novel speed reduction and change motor according to claim 1, further comprising a centrifugal switching mechanism for driving the force-bearing transmission part (21) to shift in linkage with the speed reduction transmission part (12), wherein the centrifugal switching mechanism comprises hanging parts (51) arranged on two sides of the direct transmission part (11), each hanging part (51) comprises a hanging hole (511) and a hanging part (513) below the hanging hole (511), a turntable (7) is further arranged beside the direct transmission part (11), first bosses (71) which are separated from each other and used for supporting the collar (41) are uniformly arranged on the top of the turntable (7), second bosses (72) which are separated from each other are uniformly arranged below the first bosses (71), and third bosses (73) which are separated from each other are uniformly arranged below the second bosses (72).
5. The novel speed reduction and transmission motor according to claim 1, further comprising a switching motor (8) for driving the force-bearing transmission part (21) and the speed reduction transmission part (12) to move in a linkage manner, wherein the switching motor (8) is arranged beside the force-bearing transmission part (21) and the speed reduction transmission part (12) and is connected with the lantern ring (41), and the lantern ring (41) comprises a connecting sheet (411) sleeved on a shaft of the switching motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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