CN217692832U - Disc type motor stator fixing structure and motor - Google Patents
Disc type motor stator fixing structure and motor Download PDFInfo
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- CN217692832U CN217692832U CN202221665615.2U CN202221665615U CN217692832U CN 217692832 U CN217692832 U CN 217692832U CN 202221665615 U CN202221665615 U CN 202221665615U CN 217692832 U CN217692832 U CN 217692832U
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Abstract
The utility model provides a disk motor stator fixed knot constructs and motor, include: the stator is an annular disc, and a plurality of winding slots are arranged at intervals around the center line of the annular disc; the end cover comprises an annular accommodating cavity for accommodating the stator and two mounting groove groups respectively positioned at the inner side and the outer side of the annular accommodating cavity, each mounting groove group comprises a plurality of mounting grooves which are arranged in one-to-one correspondence with at least part of winding grooves, and each mounting groove is communicated with the annular accommodating cavity; the two limiting piece groups are arranged in one-to-one correspondence with the two installation groove groups, and each limiting piece group comprises a plurality of limiting pieces which are arranged in one-to-one correspondence with the plurality of installation grooves of the corresponding installation groove group; one end of each limiting piece is fixedly connected to the corresponding mounting groove, and the other end of each limiting piece is inserted into the corresponding winding groove and is in contact with the groove bottom surface of the winding groove so as to limit the relative movement between the stator and the end cover and solve the problem of low reliability of the connection mode between the stator and the shell of the disc motor in the prior art.
Description
Technical Field
The utility model relates to the technical field of electric machines, particularly, relate to a disk motor stator fixed knot constructs and motor.
Background
The iron-based amorphous alloy consists of 80% of Fe and 20% of Si and B metal elements, has high saturation induction (1.56T), and has the characteristics of better magnetic permeability, exciting current, iron loss and the like than silicon steel sheets. The amorphous magnetically soft alloy strip is an amorphous alloy material with the largest global production and application scale at present, and in order to improve the motor efficiency in recent years, the amorphous magnetically soft alloy strip is widely applied to a motor stator.
In a disc type motor, in order to ensure the reliability and durability of connection between a motor stator and a shell, holes are often formed in a yoke part of the stator besides glue filling and fixing, and the stator and the shell are fixedly connected by using screws. Furthermore, if the amorphous motor stator generates cracks due to punching, the cracks are easy to expand under the vibration generated during the operation of the motor, the stator can be finally broken seriously, the potential safety hazard is great, and the reliability and the durability of the motor are also greatly influenced.
However, if the mode of additional mechanical fixation is not adopted, only the mode of stator glue filling and curing is used for fixing the amorphous motor stator, and for the occasions with higher temperature of the use environment, the glue filling part is easy to deform under repeated thermal shock, and the reliability of the motor is lower.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a disk motor stator fixing structure and motor to solve the problem of the lower reliability of the connection between the stator and the housing of the disk motor in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a disk motor stator fixing structure, including: the stator is an annular disc, and a plurality of winding slots which are arranged around the central line of the annular disc at intervals are arranged on the annular disc; the end cover comprises an annular accommodating cavity and two mounting groove groups respectively positioned on the inner side and the outer side of the annular accommodating cavity, the annular accommodating cavity is used for accommodating the stator, each mounting groove group comprises a plurality of mounting grooves which are arranged in one-to-one correspondence with at least part of winding grooves, and each mounting groove is communicated with the annular accommodating cavity; the two limiting piece groups are arranged in one-to-one correspondence with the two mounting groove groups, and each limiting piece group comprises a plurality of limiting pieces arranged in one-to-one correspondence with the plurality of mounting grooves in the corresponding mounting groove group; one end of each limiting member is fixedly connected to the corresponding mounting groove, and the other end of each limiting member is inserted into the corresponding winding groove and is in contact with the groove bottom surface of the winding groove so as to limit the relative movement between the stator and the end cover.
Further, the end cover includes annular supporting portion and sets up two annular flanges in the inboard and the outside of annular supporting portion respectively, and the thickness of each annular flange all is greater than annular supporting portion's thickness to enclose into the annular jointly and hold the chamber, each mounting groove all is located one of them annular flange.
Further, the stopper includes: the first connecting part is used for being inserted into the corresponding mounting groove, a through hole for a fastening piece to penetrate through is formed in the first connecting part, a fastening hole for the fastening piece to penetrate through is formed in the bottom surface of the corresponding mounting groove, and one end of the fastening piece penetrates through the through hole and then is inserted into the fastening hole so as to be fixedly connected with the corresponding mounting groove; and the second connecting part is connected with the first connecting part and is positioned on one side of the first connecting part close to the stator, and the second connecting part is used for being in plug-in fit with the corresponding winding slot.
Furthermore, each first connecting part is connected with the corresponding mounting groove through a fastening piece, the number of the through holes in each first connecting part is one, the number of the fastening holes in each mounting groove is also one, and one through hole and one fastening hole are both arranged corresponding to one fastening piece; or each first connecting portion is connected with the corresponding mounting groove through a plurality of fasteners, the number of the through holes in each first connecting portion is multiple, the number of the fastening holes in each mounting groove is also multiple, and the multiple through holes and the multiple fastening holes are arranged in one-to-one correspondence with the multiple fasteners.
Further, the first connecting part and the second connecting part are integrally formed or detachably connected; and/or the fastener is a screw, and the fastening hole is a threaded hole for threaded connection with the screw.
Furthermore, the first connecting portion and the second connecting portion are rectangular plate bodies, the mounting groove is a rectangular groove corresponding to the first connecting portion, and the bottom surface of the winding groove, which is used for being in contact with the second connecting portion, is a rectangular surface.
Further, the thickness of the first connecting part is larger than that of the second connecting part; and/or the width of the first connecting part is larger than that of the second connecting part.
Furthermore, one side of the first connecting part, which is far away from the annular accommodating cavity, is flush with one side of the second connecting part, which is far away from the annular accommodating cavity; the distance between the groove bottom surface of the mounting groove and the cavity bottom surface of the annular accommodating cavity is smaller than the distance between the groove bottom surface of the winding groove and the cavity bottom surface of the annular accommodating cavity.
Further, the end cover is made of aluminum alloy.
Further, according to another aspect of the present invention, there is provided an electric motor including the above-described disc motor stator fixing structure.
Use the technical scheme of the utility model, the utility model discloses a disc motor stator fixed knot constructs includes: the stator is an annular disc, and a plurality of winding slots which are arranged around the central line of the annular disc at intervals are arranged on the annular disc; the end cover comprises an annular accommodating cavity and two mounting groove groups respectively positioned on the inner side and the outer side of the annular accommodating cavity, the annular accommodating cavity is used for accommodating the stator, each mounting groove group comprises a plurality of mounting grooves which are arranged in one-to-one correspondence with at least part of winding grooves, and each mounting groove is communicated with the annular accommodating cavity; the two limiting piece groups are arranged in one-to-one correspondence with the two mounting groove groups, and each limiting piece group comprises a plurality of limiting pieces arranged in one-to-one correspondence with the plurality of mounting grooves in the corresponding mounting groove group; one end of each limiting member is fixedly connected to the corresponding mounting groove, and the other end of each limiting member is inserted into the corresponding winding groove and is in contact with the groove bottom surface of the winding groove so as to limit the relative movement between the stator and the end cover. Thus, the utility model discloses a disc motor stator fixed knot constructs under the prerequisite of not destroying amorphous stator structure, it is spacing to the rotation and the removal of stator through setting up locating part and fastener, compare with the mode that only relies on the fixed stator of encapsulating among the prior art, its security, reliability and durability have all obtained the improvement, the electromagnetic property of having guaranteed amorphous disc motor stator simultaneously can not receive the influence, the lower problem of the reliability of the connected mode between the stator of the disc motor among the prior art and the shell has been solved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of a disc motor stator fixing structure according to the present invention;
fig. 2 illustrates a front view of a stator fixing structure of the disc motor shown in fig. 1;
fig. 3 illustrates an exploded view of an embodiment of a stator fixing structure of the disc motor shown in fig. 1;
FIG. 4 shows a side view of the exploded view shown in FIG. 3;
fig. 5 is a schematic diagram illustrating a structure of the stopper in the exploded view of fig. 3.
Wherein the figures include the following reference numerals:
1. a stator; 11. a winding slot; 2. a fastener; 3. an end cap; 301. an annular support portion; 302. an annular flange; 31. an annular receiving cavity; 32. installing a groove group; 321. the inner side is provided with a groove group; 322. a groove group is arranged on the outer side; 320. mounting grooves; 4. a limiting member set; 401. an inner side limiting piece group; 402. an outer limit part group; 40. a stopper; 41. a first connection portion; 411. a through hole; 42. a second connecting portion.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, the utility model provides a disk motor stator fixed knot constructs, include: the stator comprises a stator 1, wherein the stator 1 is an annular disc, and a plurality of winding slots 11 which are arranged around the central line of the annular disc at intervals are arranged on the annular disc; the end cover 3 comprises an annular accommodating cavity 31 and two mounting groove groups 32 which are respectively positioned at the inner side and the outer side of the annular accommodating cavity 31, the annular accommodating cavity 31 is used for accommodating the stator 1, each mounting groove group 32 comprises a plurality of mounting grooves 320 which are arranged in one-to-one correspondence with at least part of the winding grooves 11, and each mounting groove 320 is communicated with the annular accommodating cavity 31; two limiting member groups 4, wherein the two limiting member groups 4 are arranged in one-to-one correspondence with the two mounting groove groups 32, and each limiting member group 4 comprises a plurality of limiting members 40 arranged in one-to-one correspondence with the plurality of mounting grooves 320 in the corresponding mounting groove group 32; one end of each of the stoppers 40 is fixedly connected to the corresponding mounting groove 320, and the other end of each of the stoppers 40 is inserted in the corresponding winding groove 11 and contacts the bottom surface of the winding groove 11 to restrict relative movement between the stator 1 and the end cover 3.
Thus, the utility model discloses a disc motor stator fixed knot constructs under the prerequisite of not destroying amorphous stator structure, come to carry on spacingly with removing stator 1's rotation through setting up locating part 40 and fastener 2, compare with the mode that only relies on the fixed stator of encapsulating among the prior art, its security, reliability and durability have all obtained the improvement, the electromagnetic property of having guaranteed amorphous disc motor stator simultaneously can not receive the influence, the lower problem of the reliability of the connected mode between the stator of the disc motor among the prior art and the shell has been solved.
Specifically, the two mounting groove groups 32 include an inner mounting groove group 321 and an outer mounting groove group 322 respectively located at the inner side and the outer side of the annular accommodating cavity 31, the two limiting member groups 4 include an inner limiting member group 401 and an outer limiting member group 402, the inner limiting member group 401 is disposed corresponding to the inner mounting groove group 321, and the outer limiting member group 402 is disposed corresponding to the outer mounting groove group 322.
As shown in fig. 2 and 3, the end cap 3 includes an annular support portion 301 and two annular flanges 302 respectively disposed inside and outside the annular support portion 301, each annular flange 302 having a thickness greater than that of the annular support portion 301 to collectively define the annular accommodating chamber 31, and each mounting groove 320 being located on one of the annular flanges 302.
As shown in fig. 5, the stopper 40 includes: the first connection parts 41 are used for being inserted into the corresponding installation grooves 320, through holes 411 for allowing the fastening pieces 2 to pass through are formed in the first connection parts 41, fastening holes for allowing the fastening pieces 2 to be inserted are formed in the bottom surfaces of the corresponding installation grooves 320, and one ends of the fastening pieces 2 penetrate through the through holes 411 and then are inserted into the fastening holes so as to fixedly connect the first connection parts 41 and the corresponding installation grooves 320; and the second connecting part 42 is connected with the first connecting part 41 and is positioned on one side of the first connecting part 41 close to the stator 1, and the second connecting part 42 is used for being in plug fit with the corresponding winding slot 11.
Alternatively, each first connection portion 41 is connected with the corresponding mounting groove 320 through one fastening member 2, the number of the through holes 411 on each first connection portion 41 is one, the number of the fastening holes in each mounting groove 320 is also one, and one through hole 411 and one fastening hole are both arranged corresponding to one fastening member 2; or each first connecting portion 41 is connected with the corresponding mounting groove 320 through a plurality of fastening members 2, the number of the through holes 411 on each first connecting portion 41 is multiple, the number of the fastening holes in each mounting groove 320 is also multiple, and the plurality of through holes 411 and the plurality of fastening holes are all arranged in one-to-one correspondence with the plurality of fastening members 2.
In the embodiment shown in fig. 1 to 5, each first connection portion 41 is connected to the corresponding mounting slot 320 by one fastening member 2, the number of the through holes 411 on each first connection portion 41 is one, the number of the fastening holes in each mounting slot 320 is also one, and one through hole 411 and one fastening hole are provided corresponding to one fastening member 2.
In the embodiment of the present invention, not shown in the drawings, each first connecting portion 41 is connected to the corresponding mounting groove 320 by a plurality of fastening members 2, the number of the through holes 411 on each first connecting portion 41 is plural, the number of the fastening holes in each mounting groove 320 is also plural, and the plurality of through holes 411 and the plurality of fastening holes are all disposed in one-to-one correspondence with the plurality of fastening members 2; the through holes 411 and the fastening holes are arranged at intervals along the radial direction or the circumferential direction of the stator 1 to reinforce the mechanical connection strength between the limiting member 40 and the end cover 3.
As shown in fig. 1 to 5, the first connection portion 41 and the second connection portion 42 are integrally formed or detachably connected; and/or the fastening member 2 is a screw and the fastening hole is a threaded hole for screw-threaded connection with the screw.
As shown in fig. 1 to 5, the first connection portion 41 and the second connection portion 42 are rectangular plate bodies, the mounting groove 320 is a rectangular groove corresponding to the first connection portion 41, and the bottom surface of the winding groove 11 for contacting the second connection portion 42 is a rectangular surface.
Preferably, the thickness of the first connection portion 41 is greater than that of the second connection portion 42; and/or the width of the first connection portion 41 is greater than the width of the second connection portion 42.
In the embodiment shown in fig. 1 to 5, the thickness of the first connecting portion 41 is greater than the thickness of the second connecting portion 42, wherein the thickness of the first connecting portion 41 and the thickness of the second connecting portion 42 refer to the dimensions of the first connecting portion 41 and the second connecting portion 42 in a direction parallel to the centre line of the stator 1, and when the second connecting portion 42 is inserted into the corresponding winding slot 11, the movement of the limiting member 40 in the radial direction of the stator 1 is limited by the contact between the first connecting portion 41 and the stator 1 in the thickness direction of the limiting member 40.
In an embodiment of the present invention, which is not shown in the drawings, the width of the first connection portion 41 is greater than the width of the second connection portion 42, wherein the width of the first connection portion 41 and the width of the second connection portion 42 refer to the dimension of the first connection portion 41 and the second connection portion 42 in the direction perpendicular to the center line of the stator 1 and perpendicular to the radial direction of the stator 1, and when the second connection portion 42 is inserted into the winding slot 11, the movement of the limiting member 40 in the radial direction of the stator 1 is limited by the contact between the first connection portion 41 and the stator 1 in the width direction of the limiting member 40.
As shown in fig. 2 and fig. 3, one side of the first connecting portion 41 away from the annular accommodating cavity 31 is flush with one side of the second connecting portion 42 away from the annular accommodating cavity 31, and a distance between one side of the first connecting portion 41 close to the annular accommodating cavity 31 and the cavity bottom surface of the annular accommodating cavity 31 is smaller than a distance between one side of the second connecting portion 42 close to the annular accommodating cavity 31 and the cavity bottom surface of the annular accommodating cavity 31; the distance between the groove bottom surface of the mounting groove 320 and the cavity bottom surface of the annular accommodating cavity 31 is smaller than the distance between the groove bottom surface of the winding groove 11 and the cavity bottom surface of the annular accommodating cavity 31.
Specifically, the end cap 3 is made of aluminum alloy.
The utility model also provides a motor, including foretell disc motor stator fixed knot structure.
Specifically, the utility model discloses a motor is disc motor, and disc motor's stator 1 is by the amorphous material preparation, when the assembly, should accomplish disc motor stator fixed knot structure assembly earlier, then puts into winding groove 11 with the winding again to prevent that the winding from causing the interference to the installation step of locating part 40. In addition, after the winding is placed in, epoxy resin is required to be used for glue pouring and curing, so that the epoxy resin and the fastening piece 2 are bonded together to play a role in enhancing the fixing strength between the stator 1 and the end cover 3, and the fastening piece 2 on the limiting piece 40 is prevented from loosening due to motor vibration.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a disk motor stator fixed knot constructs includes: the stator 1 is an annular disc, and a plurality of winding slots 11 which are arranged around the central line of the annular disc at intervals are arranged on the annular disc; an end cover 3 including an annular accommodating chamber 31 and two mounting groove groups 32 respectively located inside and outside the annular accommodating chamber 31, the annular accommodating chamber 31 being configured to accommodate the stator 1, each mounting groove group 32 including a plurality of mounting grooves 320 arranged in one-to-one correspondence to at least some of the winding grooves 11, each mounting groove 320 being in communication with the annular accommodating chamber 31; two limiting member groups 4, wherein the two limiting member groups 4 are arranged in one-to-one correspondence with the two mounting groove groups 32, and each limiting member group 4 comprises a plurality of limiting members 40 arranged in one-to-one correspondence with the plurality of mounting grooves 320 in the corresponding mounting groove group 32; one end of each of the stoppers 40 is fixedly connected to the corresponding mounting groove 320, and the other end of each of the stoppers 40 is inserted in the corresponding winding groove 11 and contacts the bottom surface of the winding groove 11 to restrict relative movement between the stator 1 and the end cover 3. Thus, the utility model discloses a disc motor stator fixed knot constructs under the prerequisite of not destroying amorphous stator structure, come to carry on spacingly with removing stator 1's rotation through setting up locating part 40 and fastener 2, compare with the mode that only relies on the fixed stator of encapsulating among the prior art, its security, reliability and durability have all obtained the improvement, the electromagnetic property of having guaranteed amorphous disc motor stator simultaneously can not receive the influence, the lower problem of the reliability of the connected mode between the stator of the disc motor among the prior art and the shell has been solved.
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 application 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.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown 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 terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; 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, so that the scope of the present application is not to 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 (10)
1. A disk motor stator fixed knot constructs characterized in that includes:
the stator (1) is an annular disc, and a plurality of winding slots (11) which are arranged around the central line of the annular disc at intervals are formed in the annular disc;
the end cover (3) comprises an annular accommodating cavity (31) and two installation groove groups (32) which are respectively positioned at the inner side and the outer side of the annular accommodating cavity (31), the annular accommodating cavity (31) is used for accommodating the stator (1), each installation groove group (32) comprises a plurality of installation grooves (320) which are arranged in one-to-one correspondence with at least part of the winding grooves (11), and each installation groove (320) is communicated with the annular accommodating cavity (31);
two limiting member groups (4), wherein the two limiting member groups (4) are arranged in one-to-one correspondence with the two mounting groove groups (32), and each limiting member group (4) comprises a plurality of limiting members (40) arranged in one-to-one correspondence with the plurality of mounting grooves (320) in the corresponding mounting groove group (32);
one end of each limiting piece (40) is fixedly connected to the corresponding mounting groove (320), and the other end of each limiting piece (40) is inserted into the corresponding winding groove (11) and is in contact with the bottom surface of the winding groove (11) so as to limit the relative movement between the stator (1) and the end cover (3).
2. The disc motor stator fixing structure according to claim 1, wherein the end cap (3) includes an annular support portion (301) and two annular flanges (302) respectively provided on the inner side and the outer side of the annular support portion (301), each of the annular flanges (302) having a thickness greater than that of the annular support portion (301) to collectively enclose the annular receiving chamber (31), and each of the mounting grooves (320) is located on one of the annular flanges (302).
3. The disc motor stator fixing structure according to claim 1, wherein the stopper (40) includes:
the first connecting parts (41) are used for being inserted into the corresponding mounting grooves (320), through holes (411) for allowing fastening pieces (2) to penetrate through are formed in the first connecting parts (41), fastening holes for allowing the fastening pieces (2) to be inserted into are formed in the groove bottom surfaces of the corresponding mounting grooves (320), and one ends of the fastening pieces (2) penetrate through the through holes (411) and then are inserted into the fastening holes so as to fixedly connect the first connecting parts (41) and the corresponding mounting grooves (320);
the second connecting portion (42) is connected with the first connecting portion (41) and located on one side, close to the stator (1), of the first connecting portion (41), and the second connecting portion (42) is used for being in plug-in fit with the corresponding winding slot (11).
4. The disc motor stator fixing structure according to claim 3,
each first connecting portion (41) is connected with the corresponding mounting groove (320) through one fastening piece (2), the number of the through holes (411) in each first connecting portion (41) is one, the number of the fastening holes in each mounting groove (320) is also one, and one through hole (411) and one fastening hole are both arranged corresponding to one fastening piece (2); or
Each first connecting portion (41) is connected with the corresponding mounting groove (320) through a plurality of fastening pieces (2), the number of the through holes (411) in each first connecting portion (41) is multiple, the number of the fastening holes in each mounting groove (320) is multiple, and the through holes (411) and the fastening holes are arranged in one-to-one correspondence with the fastening pieces (2).
5. The disc motor stator fixing structure according to claim 3,
the first connecting part (41) and the second connecting part (42) are integrally formed or detachably connected; and/or
The fastening piece (2) is a screw, and the fastening hole is a threaded hole in threaded connection with the screw.
6. The disc motor stator fixing structure according to claim 3, wherein the first connection portion (41) and the second connection portion (42) are each a rectangular plate body, the mounting groove (320) is a rectangular groove corresponding to the first connection portion (41), and a groove bottom surface of the winding groove (11) for contacting the second connection portion (42) is a rectangular surface.
7. The disc motor stator fixing structure according to claim 3,
the thickness of the first connection portion (41) is greater than the thickness of the second connection portion (42); and/or
The width of the first connection portion (41) is larger than the width of the second connection portion (42).
8. The disc motor stator fixing structure according to claim 7,
the side, far away from the annular accommodating cavity (31), of the first connecting part (41) is flush with the side, far away from the annular accommodating cavity (31), of the second connecting part (42);
the distance between the groove bottom surface of the mounting groove (320) and the cavity bottom surface of the annular accommodating cavity (31) is smaller than the distance between the groove bottom surface of the winding groove (11) and the cavity bottom surface of the annular accommodating cavity (31).
9. The disc motor stator fixing structure according to claim 1, wherein the end cover (3) is made of an aluminum alloy.
10. An electric motor characterized by comprising the disc motor stator fixing structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665615.2U CN217692832U (en) | 2022-06-30 | 2022-06-30 | Disc type motor stator fixing structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665615.2U CN217692832U (en) | 2022-06-30 | 2022-06-30 | Disc type motor stator fixing structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217692832U true CN217692832U (en) | 2022-10-28 |
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ID=83713030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221665615.2U Active CN217692832U (en) | 2022-06-30 | 2022-06-30 | Disc type motor stator fixing structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217692832U (en) |
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2022
- 2022-06-30 CN CN202221665615.2U patent/CN217692832U/en active Active
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Address after: 261001 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Weichai New Energy Power Technology Co.,Ltd. Address before: 261001 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Patentee before: Weichai New Energy Technology Co.,Ltd. |