CN221151095U - Motor driving shaft - Google Patents
Motor driving shaft Download PDFInfo
- Publication number
- CN221151095U CN221151095U CN202322795262.9U CN202322795262U CN221151095U CN 221151095 U CN221151095 U CN 221151095U CN 202322795262 U CN202322795262 U CN 202322795262U CN 221151095 U CN221151095 U CN 221151095U
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- Prior art keywords
- motor
- output
- drive shaft
- mounting
- motor drive
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- 238000009434 installation Methods 0.000 claims abstract description 41
- 239000011324 bead Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 27
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The application relates to a motor driving shaft, which comprises a mounting part for mounting a motor rotor, an output part connected with the mounting part, an extension part connected with the output part and a second output part connected with the extension part, wherein the second output part is connected with the extension part; the motor drive shaft has first installation state and second installation state, when being in first installation state, the installation site is located in the motor and is used for supplying the rotor to install, the output is located the motor outside, when being in the second installation state, the installation site with the output all is located in the motor and is used for supplying the rotor to install, the extension is used for supplying the bearing to install, the second output is located the motor outside. By adopting the motor driving shaft with the structure, two motors without the same type can use the same driving shaft, and only one type of shaft is required to be processed during production, so that the production efficiency is improved and the material cost is saved.
Description
Technical Field
The application relates to the technical field of shafts, in particular to a motor driving shaft.
Background
The motor driving shaft is an important component part of the motor, and all parts of the motor are arranged on the motor driving shaft by taking the shaft as the center.
The motor drive shaft typically includes a mounting portion for mounting the motor rotor and an output portion located outside the motor for mounting gears, couplings, etc. In general, motors with different sizes are required to be installed and matched with corresponding motor driving shafts, the lengths and the diameters of installation parts of the motor driving shafts are different, and shafts with different sizes cannot be used commonly. In order to meet various types of motors, it is necessary to produce various shafts that are adapted to the motors. However, in production, it was found that the motor drive shafts of adjacent model sizes used have smaller difference in diameter of the mounting portions, only the lengths are different, and the drive shafts of the motors of adjacent models have the possibility of being replaceable, so that a new motor drive shaft is proposed that can be adapted to motors of different model sizes.
Disclosure of utility model
The application provides a motor drive shaft which enables motors of different model sizes to be adapted.
The application provides a motor driving shaft, which adopts the following technical scheme:
a motor drive shaft comprising a mounting portion for mounting a motor rotor and an output portion connected to the mounting portion, and further comprising an extension portion connected to the output portion and a second output portion connected to the extension portion; the motor drive shaft has first installation state and second installation state, when being in first installation state, the installation site is located in the motor and is used for supplying the rotor to install, the output is located the motor outside, when being in the second installation state, the installation site with the output all is located in the motor and is used for supplying the rotor to install, the extension is used for supplying the bearing to install, the second output is located the motor outside.
Through adopting above-mentioned technical scheme, through increase extension and second output in one side of the output of drive shaft for the motor drive shaft can be applicable to two kinds of model similar motor of size. The motor rotor can be installed in the installation department, and the output stretches out in the motor outside, and the great motor of model, installation department and output can be used for supplying motor rotor to install as new installation department, and the bearing is installed on the extension this moment, and the second output stretches out in the motor. By adopting the motor driving shaft with the structure, two motors without the same type can use the same driving shaft, and only one type of shaft is required to be processed during production, so that the production efficiency is improved and the material cost is saved.
Optionally, the diameters of the mounting portion, the output portion, the extension portion, and the second output portion are all equal.
By adopting the technical scheme, the diameters of all parts on the driving shaft are equal, so that the driving shaft cannot be adapted easily due to the fact that the diameters of all parts on the driving shaft are different when the driving shaft is installed on different motors, and the installation is easier.
Optionally, the output portion is provided with a first key slot, and the second output portion is provided with a second key slot.
Through adopting above-mentioned technical scheme, when the motor drive shaft is applied to different motors, can use different keyways, when the motor drive shaft is installed on the great motor of model, the second keyway is located the motor outside, can be used to install gear or shaft coupling etc. when the motor drive shaft is installed on the less motor of model, first keyway and second keyway all are located the motor outside, and first keyway and second keyway all can be used to install gear or can install the shaft coupling on the second keyway.
Optionally, the first keyway and the second keyway are located on the same line.
Through adopting above-mentioned technical scheme, first keyway and second keyway are because in same direction and lie in same straight line, and the drive shaft is when carrying out the keyway processing, need not carry out angle adjustment to the drive shaft and just can accomplish the processing of two keyways, and processing step is less, and processing is convenient.
Optionally, a first punching rib is circumferentially arranged at one end, far away from the output part, of the mounting part, and the first punching rib is arranged along the length direction of the mounting part.
Through adopting above-mentioned technical scheme, when motor rotor installs at the installation department, thereby rotor core can be spacing each other with first punching the muscle fix in the drive shaft for when motor operation, motor rotor is difficult for taking place rotation each other with the drive shaft.
Optionally, a second punching rib is circumferentially arranged at one end, close to the output part, of the mounting part, and the second punching rib is arranged along the length direction of the mounting part.
By adopting the technical scheme, the motor driving shaft can be applied to the brush motor, the rotor is arranged on the first punching rib, and the carbon brush is arranged on the second punching rib, so that the carbon brush is not easy to rotate relative to the driving shaft; and when the motor driving shaft is applied to the motor with larger model, the first punching rib and the second punching rib are combined to form a longer punching rib, so that the length of the punching rib is increased for the installation of the rotor of the motor with larger model.
Optionally, the first punching ribs and the second punching ribs are arranged in a one-to-one correspondence and are positioned on the same straight line.
Through adopting above-mentioned technical scheme, when the motor drive shaft was installed on the great motor of model, because first punching pin and second punching pin are in length direction one-to-one for combine to form longer punching pin, the motor rotor of being convenient for installs on punching pin, is difficult for producing the interference to motor rotor's installation.
Optionally, a tool retracting groove is formed between the mounting portion and the output portion, between the output portion and the extension portion, and between the extension portion and the second output portion.
By adopting the technical scheme, the setting of the tool withdrawal groove is convenient for withdrawing the tool during the processing of the part, so that the scratch of the connecting parts of all parts on the rotor shaft in the processing process of the tool is reduced, and the stability during the processing of the part is improved; and the tool retracting groove can be used for installing a clamp spring and fixing all parts on the motor.
Optionally, a fixing portion for mounting the cooling fan is connected to an end of the mounting portion away from the output portion.
Through adopting above-mentioned technical scheme, through setting up the fixed part on the drive shaft, can be used to supply radiator fan to install for dispel the heat to the motor.
Optionally, the fixing portion is provided with a positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank can with the groove looks adaptation on the fan to fix the fan on the drive shaft.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The motor driving shaft is applicable to motors with two types and small differences by adding the extension part and the second output part at one end of the output part of the driving shaft far away from the mounting part, and the two motors can be mounted only by producing one driving shaft during production, so that the production cost is saved;
2. By arranging the first key groove and the second key groove on the motor driving shaft, when the motor driving shaft is applied to different motors, different key grooves can be used for mounting a gear or a coupler;
3. Through set up first punching rib and second punching rib at the installation department for when the motor drive shaft is applied to the motor of different models, motor rotor homoenergetic is installed at the installation department, and punching rib can be spacing each other with the rotor core, when making the motor operation, the rotor is difficult for taking place relative rotation with the drive shaft.
Drawings
Fig. 1 is a schematic view of the overall structure of a motor drive shaft according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a motor drive shaft in a first installed state in accordance with an embodiment of the present application.
Fig. 3 is a cross-sectional view of a motor drive shaft in a second installed state in accordance with an embodiment of the present application.
Reference numerals illustrate: 1. a mounting part; 11. a first punching rib; 12. a second punching rib; 2. an output unit; 21. a first keyway; 3. an extension; 4. a second output section; 41. a second keyway; 5. a fixing part; 51. a positioning groove; 6. and a tool retracting groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a motor driving shaft.
Referring to fig. 1, a motor drive shaft includes a mounting portion 1 for mounting a motor rotor, an output portion 2, an extension portion 3, a second output portion 4, and a fixing portion 5. Wherein, output portion 2 is connected in the one end of installation department 1, and extension 3 is connected in the one end of keeping away from installation department 1 in output portion 2, and second output portion 4 is connected in the one end of keeping away from output portion 2 in extension 3, and fixed part 5 is connected in the one end of keeping away from output portion 2 in installation department 1.
Referring to fig. 2 and 3, the motor drive shaft has a first installed state and a second installed state, and can be adaptively installed on two types of motors with similar sizes. When the motor drive shaft is mounted on the motor with smaller model size, the motor drive shaft is in the first mounting state, the motor rotor is mounted on the mounting portion 1 at this time, the bearing of the motor output end is mounted on the end portion, close to the output portion 2, of the mounting portion 1, and the output portion 2, the extension portion 3 and the second output portion 4 are all located outside the motor. When the motor drive shaft is mounted on a motor with a large model size, the motor drive shaft is in a second mounting state, at this time, the motor rotor is mounted on the mounting part 1 and the output part 2, the bearing of the motor output end is mounted on the extension part 3, and the second output part 4 is positioned outside the motor.
Referring to fig. 1, the motor driving shaft is machined from steel with high hardness and has a smooth surface. The sections of the mounting part 1, the output part 2, the extension part 3 and the second output part 4 of the motor driving shaft are all round, and the shaft diameters are equal, so that the motor driving shaft is not easy to interfere with the mounting process due to the unequal shaft diameters when being mounted on motors of two types.
Referring to fig. 1, the output portion 2 is provided with a first key groove 21, the second output portion 4 is provided with a second key groove 41, and the first key groove 21 and the second key groove 41 are aligned. When the motor drive shaft is in the first installed state, both the first keyway 21 and the second keyway 41 may be used to mount gears, or the second keyway 41 may be used to mount a coupling and connect with other equipment. The second key groove 41 can be used for mounting gears, couplings, etc. when the motor drive shaft is in the second mounting state.
Referring to fig. 1, the outer wall of the mounting portion 1 is circumferentially and uniformly provided with a plurality of first beads 11 and second beads 12, the first beads 11 being located on a side of the mounting portion 1 away from the output portion 2, and the second beads 12 being located on a side of the mounting portion 1 close to the output portion 2. Wherein, the first punch rib 11 and the second punch rib 12 are both arranged along the length direction and are positioned on the same straight line. The length of the first punch rib 11 is greater than the length of the second punch rib 12, the length of the first punch rib 11 is 4/5 of the length of the mounting portion 1, and the length of the second punch rib 12 is 1/10 of the length of the mounting portion 1. The distance between the second bead 12 and the end face of the mounting portion 1 is 5mm to 10mm, preferably 5mm here, for bearing mounting.
Referring to fig. 1, when the motor driving shaft is in the first installation state, the motor rotor is installed on the installation part 1, and the first punching ribs 11 are limited with the iron core of the motor rotor, so that the relative sliding between the rotor and the driving shaft is not easy to occur when the motor is in operation. When the motor driving shaft is installed on the brush motor, the second punching rib 12 in the installation part 1 can be used for installing the carbon brush of the brush motor, so that the carbon brush of the brush motor is not easy to rotate relative to the driving shaft. When the second driving shaft is in the second installation state, the motor rotor is installed on the installation part 1 and the output part 2, and at the moment, the second punching rib 12 can be combined with the first punching rib 11, so that the length of the first punching rib 11 is increased, and the motor rotor is conveniently installed and fixed on the installation part 1.
Referring to fig. 1, a fixing portion 5 is used for mounting a heat radiation fan of a motor, the shaft diameter of the fixing portion 5 is larger than that of a mounting portion 1, so that a motor driving shaft can be mounted into the motor from the tail of the motor, and the fixing portion 5 and the tail of the motor form a limit. The positioning groove 51 is formed in one end, far away from the installation portion 1, of the fixing portion 5, and the positioning grooves 51 are symmetrically formed in two sides of the fixing portion 5, so that the fixing portion 5 can be matched with a cooling fan, and the cooling fan can be fixed on the fixing portion 5.
Referring to fig. 1, a clearance groove 6 is further formed between the mounting portion 1 and the output portion 2, between the output portion 2 and the extension portion 3, and between the extension portion 3 and the second output portion 4 of the motor driving shaft, so that when the motor driving shaft is mounted on the motor, a snap spring can be mounted in the clearance groove 6, thereby limiting and fixing the motor driving shaft on the motor.
Referring to fig. 1 to 3, an implementation principle of a motor driving shaft according to an embodiment of the present application is as follows: by adding the extension 3 and the second output 4 on one side of the output 2 of the drive shaft, the motor drive shaft can be adapted to two types of motors of similar sizes. The motor of less model, motor rotor can install in installation department 1, and output 2 stretches out in the motor outside, and the great motor of model, installation department 1 and output 2 can be used for supplying motor rotor to install as new installation department 1, and the bearing is installed on extension 3 this moment, and second output 4 stretches out in the motor.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A motor drive shaft comprising a mounting portion (1) for mounting a motor rotor and an output portion (2) connected to the mounting portion (1), characterized by an extension portion (3) connected to the output portion (2) and a second output portion (4) connected to the extension portion (3); the motor drive shaft has first installation state and second installation state, when being in first installation state, installation department (1) is located the motor and is used for supplying the rotor to install, output (2) are located the motor outside, when being in the second installation state, installation department (1) with output (2) all are located the motor and are used for supplying the rotor to install, extension (3) are used for supplying the bearing to install, second output (4) are located the motor outside.
2. A motor drive shaft according to claim 1, characterized in that the diameters of the mounting part (1), the output part (2), the extension part (3) and the second output part (4) are all equal.
3. A motor drive shaft according to claim 2, characterized in that the output part (2) is provided with a first key slot (21) and the second output part (4) is provided with a second key slot (41).
4. A motor drive shaft according to claim 3, characterized in that the first keyway (21) and the second keyway (41) are located on the same straight line.
5. A motor drive shaft according to claim 1, characterized in that one end of the mounting portion (1) remote from the output portion (2) is provided with a first bead (11) in the circumferential direction, the first bead (11) being arranged in the longitudinal direction of the mounting portion (1).
6. A motor drive shaft according to claim 5, characterized in that the mounting portion (1) has a second bead (12) in the circumferential direction at one end thereof near the output portion (2), and the second bead (12) is arranged in the longitudinal direction of the mounting portion (1).
7. A motor drive shaft according to claim 6, characterized in that the first ribs (11) and the second ribs (12) are arranged in a one-to-one correspondence and on the same straight line.
8. A motor drive shaft according to claim 1, characterized in that a relief groove (6) is provided between the mounting part (1) and the output part (2), between the output part (2) and the extension part (3) and between the extension part (3) and the second output part (4).
9. A motor drive shaft according to claim 1, characterized in that the end of the mounting part (1) remote from the output part (2) is connected with a fixing part (5) for mounting a radiator fan.
10. A motor drive shaft according to claim 9, characterized in that the fixing part (5) is provided with a positioning groove (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795262.9U CN221151095U (en) | 2023-10-18 | 2023-10-18 | Motor driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795262.9U CN221151095U (en) | 2023-10-18 | 2023-10-18 | Motor driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221151095U true CN221151095U (en) | 2024-06-14 |
Family
ID=91388422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322795262.9U Active CN221151095U (en) | 2023-10-18 | 2023-10-18 | Motor driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221151095U (en) |
-
2023
- 2023-10-18 CN CN202322795262.9U patent/CN221151095U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |