CN216699716U - Motor shaft, motor and automation equipment - Google Patents
Motor shaft, motor and automation equipment Download PDFInfo
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- CN216699716U CN216699716U CN202123452044.2U CN202123452044U CN216699716U CN 216699716 U CN216699716 U CN 216699716U CN 202123452044 U CN202123452044 U CN 202123452044U CN 216699716 U CN216699716 U CN 216699716U
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Abstract
The utility model provides a motor shaft, a motor and automation equipment, wherein the motor shaft is applied to the motor, the motor comprises a motor body, and the motor shaft comprises: one end of the main shaft section is arranged inside the motor body, and the other end of the main shaft section extends out of the motor body; one end of the auxiliary shaft section is arranged at one end of the main shaft section, which extends out of the motor body; wherein, the other end of the auxiliary shaft section is provided with at least one third shaft section with the shaft diameter different from that of the auxiliary shaft section. The technical scheme of this application has solved effectively among the prior art, will match the motor shaft of different parameters to the motor that uses different encoders, leads to the motor shaft to need the customization when producing, can not realize the problem of standardized mass production.
Description
Technical Field
The utility model relates to the field of motors, in particular to a motor shaft, a motor and automation equipment.
Background
The motors on the market at present need to be provided with encoders when in use. The encoder has the matching requirement of installation parameter with the motor shaft of motor, because the structure of encoder differs, will match the motor shaft of different parameters to the motor that uses different encoders, and motor shaft parameter must match with the encoder structure, like this, just leads to the motor shaft to need the customization when producing, can not realize standardized mass production, has increased the quantity of stock and stock, has increased administrative cost and processing cost.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a motor shaft, a motor and automation equipment, and aims to solve the problems that in the related art, motors using different encoders are matched with motor shafts with different parameters, so that the motor shaft needs to be customized during production, standardized mass production cannot be realized, and the quantity of inventory and stock is increased.
In order to achieve the above object, according to one aspect of the present invention, there is provided a motor shaft applied to a motor including a motor body, the motor shaft including: one end of the main shaft section is arranged inside the motor body, and the other end of the main shaft section extends out of the motor body; one end of the auxiliary shaft section is arranged at one end of the main shaft section, which extends out of the motor body; wherein, the other end of the auxiliary shaft section is provided with at least one third shaft section with the shaft diameter different from that of the auxiliary shaft section.
Further, the shaft diameter of the auxiliary shaft section is different from the shaft diameter of the main shaft section.
Furthermore, the third shaft section is also provided with at least one Nth shaft section, wherein N is a positive integer greater than 3, and the shaft diameters of the Nth shaft section and the third shaft section are different.
Further, the shaft diameter of the Nth shaft section is different from that of the (N-1) th shaft section.
Further, a step part is arranged on the side part of at least one of the auxiliary shaft section, the third shaft section and the Nth shaft section; wherein, the step part is at least two grooves or annular grooves.
Further, the depth of the step part is between 0.1mm and 0.3 mm.
Further, the step part on the auxiliary shaft section is positioned between two ends of the auxiliary shaft section; the step part on the third shaft section is positioned between two ends of the third shaft section; the step part on the Nth shaft section is positioned between two ends of the Nth shaft section.
Further, the main shaft section and the auxiliary shaft section are integrally formed, and/or the auxiliary shaft section and the third shaft section are integrally formed, and/or the (N-1) th shaft section and the N shaft section are integrally formed.
According to another aspect of the present invention, there is provided a motor, including a motor body and a motor shaft, the motor shaft being the above-mentioned motor shaft.
According to another aspect of the utility model, a motor is provided, which comprises a motor body, a motor shaft and an encoder, wherein the motor shaft is the motor shaft, the encoder is provided with a code disc, and the code disc is provided with a through hole for the motor shaft to pass through, wherein the through hole is matched with an auxiliary shaft section, a third shaft section and an Nth shaft section of the motor shaft.
Further, a fixing piece is arranged on the code wheel, the width L of the step part of the motor shaft is larger than the diameter D of the fixing piece in the axial direction of the motor shaft, and the difference between the width L and the diameter D is 0.1 mm-10 mm.
According to another aspect of the utility model, an automation device is provided, and the motor is the motor.
By applying the technical scheme of the utility model, the motor shaft is applied to the motor. The motor includes a motor body. The motor shaft includes: a main shaft section and an auxiliary shaft section. One end of the main shaft section is arranged in the motor body, and the other end of the main shaft section extends out of the motor body. One end of the auxiliary shaft section is arranged at one end of the main shaft section, which extends out of the motor body. Wherein, the other end of the auxiliary shaft section is provided with at least one third shaft section with different shaft diameters from the auxiliary shaft section. Like this, the countershaft section of motor shaft can a section of encoder of adaptation, and at least one can a section of encoder with the third shaft section of the different shaft diameters of countershaft section for a motor shaft can many section encoders of adaptation, need not the many motor shafts of customization, can realize standardized mass production, has reduced the quantity of stock and stock effectively. Therefore, the technical scheme of the application can solve the problems that motors using different encoders in the related art need to be matched with motor shafts with different parameters, so that the motor shafts need to be customized during production, standardized mass production cannot be realized, and the quantity of inventory and stock is increased.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 shows a schematic front view of an embodiment of a motor shaft according to the present invention;
figure 2 shows a cross-sectional schematic view of an embodiment of an electrical machine according to the utility model;
FIG. 3 shows a schematic partial cross-sectional view of the motor of FIG. 2;
FIG. 4 shows a schematic partial cross-sectional view of a motor shaft of the motor of FIG. 2;
fig. 5 shows a schematic partial cross-sectional view of a motor shaft of another embodiment of a motor according to the present invention.
Wherein the figures include the following reference numerals:
10. a main shaft section; 20. a secondary shaft section; 30. a third shaft section; 31. a step portion; 40. code disc; 50. a motor body; 60. and a fixing member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1 to 4, the motor shaft of the present embodiment is applied to a motor. The motor includes a motor body 50. The motor shaft includes: a main shaft section 10 and a secondary shaft section 20. One end of the main shaft section 10 is disposed inside the motor body 50, and the other end of the main shaft section 10 extends from the inside of the motor body 50 to the outside. One end of the secondary shaft section 20 is disposed at one end of the main shaft section 10 extending outside the motor body 50. Wherein, the other end of the secondary shaft section 20 is provided with two third shaft sections 30 with different shaft diameters with the secondary shaft section 20.
With the solution of the present embodiment, one end of the secondary shaft section 20 is disposed at one end of the primary shaft section 10 extending out of the motor body 50. Wherein, two third shaft sections 30 with different shaft diameters from the auxiliary shaft section 20 are arranged on the other end of the auxiliary shaft section 20. Like this, the countershaft section 20 of motor shaft can a section encoder of adaptation, and two third shaft sections 30 with countershaft section 20 different shaft footpaths can a section encoder or two for a motor shaft can many section encoders of adaptation, need not the many motor shafts of customization, realizes standard production, has reduced the quantity of stock and stock effectively. Therefore, the technical scheme of the embodiment can solve the problems that the motor shafts are required to be customized during production due to the fact that motors using different encoders are matched with motor shafts with different parameters in the related art, standardized mass production cannot be realized, and the quantity of inventory and stock is increased.
Of course, in embodiments not shown in the figures, the number of third shaft segments having different shaft diameters than the secondary shaft segments may be one, three and more.
As shown in fig. 1 to 4, the diameter of the secondary shaft section 20 is different from the diameter of the primary shaft section 10. Thus, the main shaft section 10 is fitted with the motor body 50, and the sub shaft section 20 is fitted with the encoder, so that one motor shaft has two functions.
As shown in fig. 1 to 4, the third shaft section 30 is further provided with an nth shaft section, N is a positive integer greater than 3, wherein the nth shaft section and the third shaft section 30 have different shaft diameters. Thus, the third shaft section 30 and the nth shaft section are respectively adapted to encoders with different apertures, such as inner holes of a code disc tray in the encoder, or mounting holes of magnetic steel or inner holes of a magnetic ring.
Of course, in the embodiment not shown in the figures, two or more nth shaft segments are further disposed on the third shaft segment, N is a positive integer greater than 3, wherein the shaft diameters of the nth shaft segments and the third shaft segments are different.
In this embodiment, the shaft diameters of the Nth shaft segment and the N-1 st shaft segment are different. In this way, one motor shaft can accommodate encoders of different apertures.
As shown in fig. 1 to 4, a step 31 is provided on a side portion of at least one of the sub-shaft section 20, the third shaft section 30, and the nth shaft section. The step 31 prevents the fixing piece on the code wheel of the encoder from scratching the surfaces of the auxiliary shaft section 20, the third shaft section 30 and the Nth shaft section, and meanwhile, the step 31 is an annular groove. The fixing piece (such as a jackscrew) on the code wheel of the encoder is abutted against the step part 31 so as to fix the code wheel of the encoder on the motor shaft and ensure the stability of the fixing piece abutted against the motor shaft.
In an embodiment not shown in the drawings, the stepped portion may be at least two grooves provided at intervals in the outer circumferential direction of the motor shaft.
As shown in fig. 1 to 4, in order to make the fixing member on the code wheel of the encoder more stably abut against the step portion 31, the depth of the step portion 31 is between 0.1mm and 0.3 mm. Preferably, the depth of the step 31 is 0.1mm or 0.2mm or 0.3 mm.
As shown in fig. 1 to 4, the step 31 on the secondary shaft section 20 is located between the two ends of this secondary shaft section 20. A step 31 on a third shaft section 30 is located between the ends of the third shaft section 30. The step 31 on the nth shaft segment is located between the two ends of this nth shaft segment. The structure can ensure that the encoder is stressed uniformly in the installation process, and the use performance of the encoder is improved.
As shown in fig. 1 to 4, the main shaft section 10 and the sub shaft section 20 are integrally formed, the sub shaft section 20 and the third shaft section 30 are integrally formed, and the N-1 th shaft section and the N-shaft section are integrally formed, for convenience of manufacturing and molding.
Of course, in the embodiment not shown in the drawings, the main shaft section and the auxiliary shaft section are integrally formed, or the auxiliary shaft section and the third shaft section are integrally formed, or the (N-1) th shaft section and the N-shaft section are integrally formed, and any one of the above structures or any combination thereof can be selected.
In order to facilitate understanding of the stator frame assembly and the stator assembly provided in the present embodiment, the following description is made with reference to several specific embodiments:
example one
One end of the secondary shaft section 20 of the motor shaft in the first embodiment is disposed at one end of the primary shaft section 10 extending out of the motor body 50. Two third shaft sections 30 with different shaft diameters from the auxiliary shaft section 20 are arranged at the other end of the auxiliary shaft section 20, the shaft diameter of the auxiliary shaft section 20 is different from that of the main shaft section 10, an Nth shaft section is further arranged on the third shaft section 30, N is a positive integer larger than 3, the shaft diameter of the Nth shaft section is different from that of the third shaft section 30, the shaft diameter of the Nth shaft section is different from that of the N-1 shaft section, a step part 31 is arranged on the side part of at least one of the auxiliary shaft section 20, the third shaft section 30 and the Nth shaft section, the depth of the step part 31 is 0.1mm to 0.3mm, the main shaft section 10 and the auxiliary shaft section 20 are integrally formed, the auxiliary shaft section 20 and the third shaft section 30 are integrally formed, the N-1 shaft section and the N shaft section are integrally formed, and the step part 31 on the auxiliary shaft section 20 is positioned between two ends of the auxiliary shaft section 20. A step 31 on a third shaft segment 30 is located between the ends of this third shaft segment 30. The step 31 on the nth shaft segment is located between the two ends of this nth shaft segment.
Example two
The difference from the first embodiment is the number of the third shaft segments, specifically, two or more than two nth shaft segments are further disposed on the third shaft segments, N is a positive integer greater than 3, and the shaft diameters of the nth shaft segments and the third shaft segments are different.
EXAMPLE III
The difference from the first embodiment is the shape of the stepped portion, and specifically, the stepped portion may be at least two grooves spaced along the outer circumference of the motor shaft.
Example four
The difference from the first embodiment lies in the forming mode of the main shaft section and the auxiliary shaft section, specifically, the main shaft section and the auxiliary shaft section are integrally formed, the auxiliary shaft section and the third shaft section are integrally formed, the (N-1) th shaft section and the N-shaft section are integrally formed, and any one of the structures can be selected or combined arbitrarily.
EXAMPLE five
The present embodiment provides a motor, as shown in fig. 2 to 4, the motor of the present embodiment includes a motor body 50 and a motor shaft, and the motor shaft is the above-mentioned motor shaft. The motor shaft can solve the problems that the motor shaft needs to be customized during production due to the fact that motors using different encoders in the related art need to be matched with motor shafts with different parameters, standardized mass production cannot be achieved, and the number of stocks and spare goods is increased, so that the motors with the motor shaft can be used for selecting different encoders at will according to needs.
EXAMPLE six
In the present embodiment, a motor is provided, which is different from the fifth embodiment in the number of the third shaft segments. In this embodiment, as shown in fig. 5, a third shaft section 30 having a different axial diameter from the auxiliary shaft section 20 is provided on the other end of the auxiliary shaft section 20. In this way, the secondary shaft section 20 and the third shaft section 30 can be adapted to different encoders, respectively, so that one motor shaft has two functions.
EXAMPLE seven
The present embodiment provides a motor, as shown in fig. 2 to 4, the motor of the present embodiment includes a motor body 50, a motor shaft and an encoder, the motor shaft is the above-mentioned motor shaft, the encoder is provided with a code disc 40, the code disc 40 is provided with a through hole for the motor shaft to pass through, wherein the through hole is adapted to the auxiliary shaft section 20, the third shaft section 30 and the nth shaft section of the motor shaft. The motor shaft can solve the problems that the motor shaft needs to be customized during production due to the fact that motors using different encoders in the related art need to be matched with motor shafts with different parameters, standardized mass production cannot be achieved, and the number of stocks and stocks is increased, so that the motor with the motor shaft can be used with different encoders according to needs in any selection mode.
As shown in FIGS. 2 to 4, the code wheel 40 is provided with a fixing member 60, and the width L of the step portion 31 of the motor shaft is larger than the diameter D of the fixing member 60 in the axial direction of the motor shaft, wherein the difference between the width L and the diameter D is between 0.1mm and 10 mm. Thus, the size range of the difference between the width L and the diameter D enables the fixing member 60 to be pushed into the step portion 31 of the motor shaft, thereby improving the reliability of fixing the fixing member 60 to the motor shaft. Preferably, the difference between the width L and the diameter D is 0.1mm or 0.5mm or 1.5mm or 3mm or 5mm or 7mm or 9mm or 10 mm.
Example eight
The embodiment provides an automation device, and the automation device of the embodiment comprises a motor, and the motor is the motor. The motor can solve the problems that the motor shaft needs to be customized during production due to the fact that motors using different encoders in the related art need to be matched with motor shafts with different parameters, standardized mass production cannot be achieved, and the number of stocks and stocks is increased, so that the same technical problem can be solved by automation equipment with the motor.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A motor shaft, applied to a motor comprising a motor body (50), characterized in that it comprises:
the motor comprises a main shaft section (10), wherein one end of the main shaft section (10) is arranged inside the motor body (50), and the other end of the main shaft section (10) extends out of the motor body (50);
the auxiliary shaft section (20), one end of the auxiliary shaft section (20) is arranged at one end of the main shaft section (10) extending out of the motor body (50); wherein, the other end of the auxiliary shaft section (20) is provided with at least one third shaft section (30) with the shaft diameter different from that of the auxiliary shaft section (20).
2. The motor shaft of claim 1, characterized in that the diameter of the secondary shaft section (20) is different from the diameter of the main shaft section (10).
3. The motor shaft of claim 1, wherein the third shaft segment (30) is further provided with at least one nth shaft segment, wherein N is a positive integer greater than 3, and wherein the nth shaft segment and the third shaft segment (30) have different shaft diameters.
4. The motor shaft of claim 3, wherein the shaft diameter of the Nth shaft segment is different than the shaft diameter of the (N-1) th shaft segment.
5. The motor shaft as recited in claim 1 or 3, characterized in that a side portion of at least one of the secondary shaft section (20), the third shaft section (30) and the Nth shaft section is provided with a step portion (31); wherein the step (31) is at least two grooves or annular grooves.
6. Motor shaft according to claim 5, characterized in that the depth of said step (31) is comprised between 0.1mm and 0.3 mm.
7. The motor shaft of claim 5,
the step (31) on the secondary shaft section (20) is located between the two ends of this secondary shaft section (20);
the step (31) on the third shaft section (30) is located between the two ends of this third shaft section (30);
the step (31) on the nth shaft section is located between the two ends of this nth shaft section.
8. The motor shaft of claim 1 or 3,
the main shaft section (10) and the secondary shaft section (20) are integrally formed and/or,
the secondary shaft section (20) and the third shaft section (30) are integrally formed and/or,
the (N-1) shaft section and the (N) shaft section are integrally formed.
9. An electric machine comprising a machine body (50) and a machine shaft, characterized in that the machine shaft is a machine shaft according to any one of claims 1 to 8.
10. An electric motor comprising a motor body (50), a motor shaft and an encoder, wherein the motor shaft is the motor shaft of any one of claims 1 to 8, the encoder is provided with a code disc (40), the code disc (40) is provided with a through hole for the motor shaft to pass through, and the through hole is matched with an auxiliary shaft section (20), a third shaft section (30) and an Nth shaft section of the motor shaft.
11. The motor according to claim 10, characterized in that a fixing piece (60) is arranged on the code wheel (40), a width L of the step part (31) of the motor shaft is larger than a diameter D of the fixing piece (60) in the axial direction of the motor shaft, wherein the difference between the width L and the diameter D is between 0.1mm and 10 mm.
12. An automated device, characterized in that the motor is a motor according to claim 9 or 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452044.2U CN216699716U (en) | 2021-12-31 | 2021-12-31 | Motor shaft, motor and automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452044.2U CN216699716U (en) | 2021-12-31 | 2021-12-31 | Motor shaft, motor and automation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216699716U true CN216699716U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123452044.2U Active CN216699716U (en) | 2021-12-31 | 2021-12-31 | Motor shaft, motor and automation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216699716U (en) |
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2021
- 2021-12-31 CN CN202123452044.2U patent/CN216699716U/en active Active
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