CN219436791U - Speed reducing motor - Google Patents
Speed reducing motor Download PDFInfo
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- CN219436791U CN219436791U CN202320058882.1U CN202320058882U CN219436791U CN 219436791 U CN219436791 U CN 219436791U CN 202320058882 U CN202320058882 U CN 202320058882U CN 219436791 U CN219436791 U CN 219436791U
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- motor
- output shaft
- gear
- speed reducer
- connecting piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The application provides a gear motor. The speed reducing motor comprises a motor structure, a connecting assembly and a speed reducer structure, wherein the motor structure comprises a motor main body and a motor output shaft, and the motor output shaft is connected with the motor main body; the connecting assembly comprises a first connecting piece and a second connecting piece, the first connecting piece is in interference welding with the motor output shaft, and one end of the first connecting piece, which is far away from the motor main body, is connected with the second connecting piece; the speed reducer structure comprises a shell, a rotating assembly and a speed reducer output shaft, wherein the speed reducer output shaft is connected with one side of the rotating assembly, one side, far away from the speed reducer output shaft, of the rotating assembly is connected with a second connecting piece, and the rotating assembly and at least part of the speed reducer output shaft are arranged in the shell. The gear motor has the advantages of improving the carrying capacity of the workpiece, prolonging the service life of the workpiece and improving the running stability of the motor.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a speed reducing motor.
Background
The gear motor refers to an integrated body of a speed reducer and a motor. Such an integrated body may also be generally referred to as a gearmotor or gearmotor. The speed reducer is an independent component consisting of a gear drive, a worm drive, and a gear-worm drive enclosed in a rigid housing, and is commonly used as a speed reduction transmission between the driving element and the working machine. The function of matching rotational speed and transmitting torque between a prime motor and a working machine or an actuating mechanism is widely applied to modern machines.
However, most of motor shafts and connecting structures in the existing gear motor adopt a key connection mode, and key connection easily generates a notch effect on a connecting piece, so that the bearing capacity and the service life of a workpiece are affected, and meanwhile, the running stability of the gear motor is poor.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a gear motor capable of improving the carrying capacity of a workpiece, prolonging the service life and improving the running stability of the motor.
The aim of the utility model is realized by the following technical scheme:
a gear motor comprising:
the motor structure comprises a motor main body and a motor output shaft, and the motor output shaft is connected with the motor main body;
the connecting assembly comprises a first connecting piece and a second connecting piece, the first connecting piece is in interference welding with the motor output shaft, and one end, far away from the motor main body, of the first connecting piece is connected with the second connecting piece;
the speed reducer structure comprises a shell, a rotating assembly and a speed reducer output shaft, wherein the speed reducer output shaft is connected with one side of the rotating assembly, one side, away from the speed reducer output shaft, of the rotating assembly is connected with the second connecting piece, and the rotating assembly and at least part of the speed reducer output shaft are arranged in the shell.
In one embodiment, the rotating assembly comprises a rotating disc, a fixed shaft and a planetary gear, one end of the fixed shaft is connected with the rotating disc, one end of the fixed shaft away from the rotating disc is connected with the planetary gear, the rotating disc is connected with the output shaft of the speed reducer, and the planetary gear is connected with the second connecting piece.
In one embodiment, the rotating assembly further comprises a sun gear, one end of the sun gear is connected with the second connecting piece, and the other end of the sun gear is connected with the planetary gear.
In one embodiment, a plurality of transmission protruding parts are arranged on the outer side of the first connecting piece at intervals, and the transmission protruding parts are used for being connected with the second connecting piece.
In one embodiment, the second connecting piece comprises an upper connecting portion and a lower connecting portion, a plurality of clamping grooves are formed in the lower connecting portion at intervals, each clamping groove is correspondingly clamped with one transmission protruding portion, a clamping hole is formed in the upper connecting portion, and the clamping hole is used for being connected with the sun gear.
In one embodiment, the sun gear includes a planetary gear portion and a fixed gear portion, the fixed gear portion is connected with the planetary gear portion, the planetary gear portion is connected with the planetary gear, and the fixed gear portion is clamped in the clamping hole.
In one embodiment, the number of planetary gears is two or three.
In one embodiment, the first connecting pieces are welded to two ends of the motor output shaft respectively.
Compared with the prior art, the utility model has at least the following advantages:
1. the gear motor comprises a motor structure, a connecting assembly and a speed reducer structure, wherein the motor structure, the connecting assembly and the speed reducer structure are connected through the key slot of the motor shaft and the connecting structure, the first connecting piece is connected to the motor output shaft in an interference mode, and then the first connecting piece is welded with the motor output shaft after being connected, so that on one hand, the notch effect of the key connection on the connecting piece can be avoided, the bearing capacity of a workpiece is improved, and the service life of the workpiece is prolonged; on the other hand, the situation that the junction slips can be effectively prevented, and meanwhile, the running stability of the gear motor is improved.
2. The speed reducing mechanism in the speed reducing motor comprises a shell, a rotating assembly and a speed reducer output shaft, wherein the speed reducer output shaft is connected with one side of the rotating assembly, which is far away from the speed reducer output shaft, is connected with a second connecting piece, and the rotating assembly and at least part of the speed reducer output shaft are arranged in the shell, so that stable power of the speed reducer output shaft is ensured, stable rotation of the speed reducer output shaft is realized, and the running stability of the speed reducing motor is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a gear motor according to an embodiment;
fig. 2 is a schematic view of an internal structure of the gear motor shown in fig. 1;
FIG. 3 is an exploded view of the internal partial structure of the gear motor of FIG. 1;
FIG. 4 is a schematic structural view of a first connecting member in the gear motor shown in FIG. 1;
FIG. 5 is a schematic structural view of a second connecting member in the gear motor shown in FIG. 1;
FIG. 6 is a schematic view of the structure of the sun gear in the gear motor shown in FIG. 1;
fig. 7 is a schematic view of another internal partial structure of the gear motor shown in fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a gear motor. The speed reducing motor comprises a motor structure, a connecting assembly and a speed reducer structure, wherein the motor structure comprises a motor main body and a motor output shaft, and the motor output shaft is connected with the motor main body; the connecting assembly comprises a first connecting piece and a second connecting piece, the first connecting piece is in interference welding with the motor output shaft, and one end, far away from the motor main body, of the first connecting piece is connected with the second connecting piece; the speed reducer structure comprises a shell, a rotating assembly and a speed reducer output shaft, wherein the speed reducer output shaft is connected with one side of the rotating assembly, one side, away from the speed reducer output shaft, of the rotating assembly is connected with the second connecting piece, and the rotating assembly and at least part of the speed reducer output shaft are arranged in the shell.
As shown in fig. 1 and 2, the gear motor 10 of an embodiment includes a motor structure 100, a connection assembly 200 and a speed reducer structure 300, the motor structure 100 includes a motor main body 110 and a motor output shaft 120, and the motor output shaft 120 is connected with the motor main body 110; the connection assembly 200 comprises a first connection piece 210 and a second connection piece 220, wherein the first connection piece 210 is in interference welding with the motor output shaft 120, and one end of the first connection piece 210, which is far away from the motor main body 110, is connected with the second connection piece 220; the speed reducer structure 300 includes a housing 310, a rotating assembly 320, and a speed reducer output shaft 330, the speed reducer output shaft 330 is connected to one side of the rotating assembly 320, one side of the rotating assembly 320 away from the speed reducer output shaft 330 is connected to the second connecting piece 220, and the rotating assembly 320 and at least part of the speed reducer output shaft 330 are disposed in the housing 310.
The gear motor 10 includes a motor structure 100, a connection assembly 200 and a speed reducer structure 300, and by eliminating the connection between a motor shaft and a key slot of the connection structure, the first connection piece 210 is connected to the motor output shaft 120 in an interference manner, and then is welded with the motor output shaft after being connected, so that on one hand, the notch effect of the key connection on the connection piece can be avoided, the bearing capacity of a workpiece is improved, and the service life of the workpiece is prolonged; on the other hand, the slipping of the joint can be effectively prevented, and meanwhile, the running stability of the gear motor 10 is improved. Further, the reduction gears in this application includes casing 310, rotating assembly 320 and speed reducer output shaft 330, and speed reducer output shaft 330 is connected with one side of rotating assembly 320, and one side that rotating assembly 320 kept away from speed reducer output shaft 330 is connected with second connecting piece 220, and rotating assembly 320 and at least part speed reducer output shaft 330 set up in casing 310 to guarantee that speed reducer output shaft 330 obtains stable power, realize the stable rotation of speed reducer output shaft 330, further promote gear motor 10's operating stability.
As shown in fig. 2 and 3, in one embodiment, the rotating assembly 320 includes a rotating disc 3220, a fixed shaft 3240 and a planetary gear 3260, one end of the fixed shaft 3240 is connected to the rotating disc 3220, one end of the fixed shaft 3240 away from the rotating disc 3220 is connected to the planetary gear 3260, the rotating disc 3220 is connected to the speed reducer output shaft 330, and the planetary gear 3260 is connected to the second connecting member 220. It will be appreciated that the rotating assembly 320 is connected to the motor to obtain power, and is further connected to the rotating assembly 320 and the speed reducer output shaft 330 to achieve speed reduction, so that the rotating assembly 320 is prone to unstable problems during operation, and in order to further improve the operation stability of the rotating assembly 320, in this embodiment, the rotating assembly 320 includes a rotating disc 3220, a fixed shaft 3240 and a planetary gear 3260, one end of the fixed shaft 3240 is connected to the rotating disc 3220, one end of the fixed shaft 3240 away from the rotating disc 3220 is connected to the planetary gear 3260, the rotating disc 3220 is connected to the speed reducer output shaft 330, the planetary gear 3260 is connected to the rotating disc 3220 through the fixed shaft 3240 when the speed reducer motor 10 is operated, and finally the speed reducer output shaft 330 is rotated, and meanwhile, the operation stability of the rotating assembly 320 is further improved.
As shown in fig. 2, 3 and 7, in one embodiment, the rotating assembly 320 further includes a sun gear 3280, one end of the sun gear 3280 is connected to the second connecting member 220, and the other end of the sun gear 3280 is connected to the planetary gear 3260. It will be appreciated that the motor has a relatively large output power, and the rotating assembly 320 is connected to the motor via the second connecting member 220, so that during operation, the rotating assembly 320 is susceptible to severe vibration caused by the motor, thereby affecting the operation stability of the gear motor 10. In order to further improve the operation stability of the gear motor 10, in this embodiment, the rotating assembly 320 further includes a sun gear 3280, one end of the sun gear 3280 is connected to the second connecting member 220, the other end of the sun gear 3280 is connected to the planetary gear 3260, that is, the sun gear 3280 is connected to the upper portion of the second connecting member 220, the planetary gears (two or three specific gears) of the sun gear 3280 rotate around the rotating disc, and the inner side of the rotating disc 3220 is meshed with the gears, so that the rotating assembly 320 has the advantages of simple structure, good technological performance and excellent shock absorption, and further improves the operation stability of the gear motor 10.
As shown in fig. 4, in one embodiment, a plurality of transmission protrusions 2120 are disposed at intervals on the outer side of the first connector 210, and the transmission protrusions 2120 are used for connecting with the second connector 220. It will be appreciated that the first connector 210 is interference welded to the motor output shaft 120, the end of the first connector 210 away from the motor main body 110 is connected to the second connector 220, and the second connector 220 is connected to the side of the rotating assembly 320 away from the speed reducer output shaft 330, so that the connection stability of the first connector 210 directly affects the connection stability of the motor structure 100 and the speed reducer structure 300 in the gear motor 10. In order to further improve the connection stability of the motor structure 100 and the speed reducer structure 300 in the gear motor 10, in this embodiment, a plurality of transmission protrusions 2120 are disposed at the outer side of the first connecting member 210 at intervals, the transmission protrusions 2120 are used for being connected with the second connecting member 220, when the motor structure 100 is connected with the speed reducer structure 300, the first connecting member 210 is in interference connection with the motor output shaft 120, and transmission protrusions are disposed at the outer side of the first connecting member and are used for being connected with the lower portion of the second connecting member 220, so that the connection stability of the motor structure 100 and the speed reducer structure 300 is effectively improved, and meanwhile, the installation and the disassembly are facilitated.
Further, as shown in fig. 5, the second connecting member 220 includes an upper connecting portion 2220 and a lower connecting portion 2240, the lower connecting portion 2240 is provided with a plurality of slots 2242 at intervals, each slot 2242 is correspondingly clamped with one of the transmission protrusions 2120, the upper connecting portion 2220 is provided with a clamping hole 2222, and the clamping hole 2222 is used for being connected with the sun gear 3280. It will be appreciated that the second connector 220 is connected to the end of the first connector 210 remote from the motor body 110, and the second connector 220 is connected to the side of the rotating assembly 320 remote from the reducer output shaft 330. The connection stability of the second connection member 220 directly affects the connection stability of the motor structure 100 and the speed reducer structure 300 in the speed reducer motor 10. In order to further improve the connection stability of the motor structure 100 and the speed reducer structure 300 in the gear motor 10, in the present embodiment, when the motor structure 100 and the speed reducer structure 300 in the gear motor 10 are connected and operated, the clamping groove 2242 of the lower connecting portion 2240 in the second connecting member 220 is clamped with the transmission protruding portion 2120 outside the first connecting member 210, so as to effectively improve the connection stability between the first connecting member 210 and the second connecting member, and further improve the connection stability of the motor structure 100 and the speed reducer structure 300 in the gear motor 10.
Further, as shown in fig. 6 and 7, the sun gear 3280 includes a planetary gear portion 3282 and a fixed gear portion 3284, the fixed gear portion 3284 is connected to the planetary gear portion 3282, the planetary gear portion 3282 is connected to the planetary gear 3260, and the fixed gear portion 3284 is engaged with the engagement hole. Specifically, when the motor structure 100 in the gear motor 10 is connected to the speed reducer structure 300 for operation, the fixed gear portion 3284 of the sun gear 3280 is matched with the upper connection portion 2220 of the second connection member 220, and the planetary gear portion 3282 of the sun gear 3280 is connected to the planetary gear 3260 in the rotation assembly 320, so as to implement rotation of the turntable, and by the connection structure of the sun gear 3280, the second connection member 220 and the planetary gear 3260 in the embodiment, on one hand, the structure can be simplified, and the smoothness of rotation of the gear can be improved; on the other hand can also provide connection structure's stability, promotes shock-absorbing capacity.
In one embodiment, the number of planet gears is two or three. It can be appreciated that when the gear motor 10 is operated, the planetary gear 3260 is connected to the rotating disc 3220 through the fixed shaft 3240, so as to drive the rotating disc 3220 to rotate, and finally, the output shaft 330 of the speed reducer is rotated, and meanwhile, the operation stability of the rotating assembly 320 is further improved. The planetary gear 3260 is connected to the rotating disk 3220 and the sun gear 3280 via the fixed shaft 3240, respectively, to thereby rotate the output shaft 330 of the speed reducer, but the single planetary gear 3260 is liable to have a problem of poor rotation stability, and even affects the performance of the speed reducing motor 10. In order to further improve the rotation stability of the output shaft 330 of the speed reducer, in this embodiment, the number of the planetary gears 3260 is three, the three planetary gears 3260 rotate around the rotating disc 3220 from three directions respectively, the inner side of the rotating disc is meshed with the planetary gears, the planetary gears 3260 are connected with the rotating disc 3220 through the fixed shaft 3240 to drive the rotating disc 3220 to rotate, finally, the output shaft of the speed reducer is realized to rotate, and the rotation stability of the output shaft 330 of the speed reducer is effectively improved due to the fact that the three planetary gears 3260 operate simultaneously, so that the performance of the speed reducer motor 10 is improved.
In one embodiment, the first connector 210 is welded to both ends of the motor output shaft, respectively. It can be appreciated that, by adopting the first connecting piece 210 to be connected to the motor output shaft 120 in an interference manner, the first connecting piece is connected and then welded with the motor output shaft 120, so that on one hand, the notch effect of the key connection on the connecting piece can be avoided, and the bearing capacity and the service life of the workpiece are improved; on the other hand, the slipping of the joint can be effectively prevented, and meanwhile, the running stability of the gear motor 10 is improved. However, if the whole connecting portion is welded, the problem of inconvenience in welding or misalignment in welding is easily caused; if only partial welding is performed, the problem of poor welding stability is also likely to occur. In order to further improve welding convenience and improve welding stability, in the present embodiment, the first connector 210 is welded to both ends of the motor output shaft 120, that is, to both upper and lower ends of the motor output shaft 120, respectively, so that the whole connector is not required to be welded, welding convenience is improved, and stability of a welded portion is improved.
Compared with the prior art, the utility model has at least the following advantages:
1. the gear motor 10 comprises a motor structure 100, a connecting assembly 200 and a speed reducer structure 300, wherein the key slot connection of a motor shaft and the connecting structure is omitted, a first connecting piece 210 is connected to a motor output shaft 120 in an interference manner, and the first connecting piece is welded with the motor output shaft after being connected, so that on one hand, the notch effect of key connection on the connecting piece can be avoided, and the bearing capacity and the service life of a workpiece are improved; on the other hand, the slipping of the joint can be effectively prevented, and meanwhile, the running stability of the gear motor 10 is improved.
2. The speed reducing mechanism in the speed reducing motor 10 comprises a shell 310, a rotating assembly 320 and a speed reducer output shaft 330, wherein the speed reducer output shaft 330 is connected with one side of the rotating assembly 320, one side of the rotating assembly 320 away from the speed reducer output shaft 330 is connected with the second connecting piece 220, and the rotating assembly 320 and at least part of the speed reducer output shaft 330 are arranged in the shell 310, so that stable power of the speed reducer output shaft 330 is ensured, stable rotation of the speed reducer output shaft 330 is realized, and the running stability of the speed reducing motor 10 is further improved.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. A gear motor, comprising:
the motor structure comprises a motor main body and a motor output shaft, and the motor output shaft is connected with the motor main body;
the connecting assembly comprises a first connecting piece and a second connecting piece, the first connecting piece is in interference welding with the motor output shaft, and one end, far away from the motor main body, of the first connecting piece is connected with the second connecting piece;
the speed reducer structure comprises a shell, a rotating assembly and a speed reducer output shaft, wherein the speed reducer output shaft is connected with one side of the rotating assembly, one side, away from the speed reducer output shaft, of the rotating assembly is connected with the second connecting piece, and the rotating assembly and at least part of the speed reducer output shaft are arranged in the shell.
2. The gear motor of claim 1, wherein the rotating assembly comprises a rotating disc, a fixed shaft and a planetary gear, wherein one end of the fixed shaft is connected with the rotating disc, one end of the fixed shaft away from the rotating disc is connected with the planetary gear, the rotating disc is connected with the output shaft of the speed reducer, and the planetary gear is connected with the second connecting piece.
3. The gear motor of claim 2, wherein the rotating assembly further comprises a sun gear, one end of the sun gear is connected to the second connecting member, and the other end of the sun gear is connected to the planetary gear.
4. A gear motor according to claim 3, wherein a plurality of transmission protrusions are arranged at intervals on the outer side of the first connecting piece, and the transmission protrusions are used for being connected with the second connecting piece.
5. The gear motor according to claim 4, wherein the second connecting member includes an upper connecting portion and a lower connecting portion, the lower connecting portion is provided with a plurality of clamping grooves at intervals, each clamping groove is correspondingly clamped with one of the transmission protrusions, and the upper connecting portion is provided with a clamping hole for connecting with the sun gear.
6. The gear motor according to claim 5, wherein the sun gear includes a planetary gear portion and a fixed gear portion, the fixed gear portion is connected to the planetary gear portion, the planetary gear portion is connected to the planetary gear, and the fixed gear portion is engaged with the engagement hole.
7. The gear motor according to claim 2, wherein the number of the planetary gears is two or three.
8. The gear motor of claim 1, wherein the first connecting members are welded to both ends of the motor output shaft, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320058882.1U CN219436791U (en) | 2023-01-05 | 2023-01-05 | Speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320058882.1U CN219436791U (en) | 2023-01-05 | 2023-01-05 | Speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219436791U true CN219436791U (en) | 2023-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320058882.1U Active CN219436791U (en) | 2023-01-05 | 2023-01-05 | Speed reducing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219436791U (en) |
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2023
- 2023-01-05 CN CN202320058882.1U patent/CN219436791U/en active Active
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