CN215681962U - Fiber ring fixing structure, rotor and disc type motor - Google Patents
Fiber ring fixing structure, rotor and disc type motor Download PDFInfo
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- CN215681962U CN215681962U CN202122211232.XU CN202122211232U CN215681962U CN 215681962 U CN215681962 U CN 215681962U CN 202122211232 U CN202122211232 U CN 202122211232U CN 215681962 U CN215681962 U CN 215681962U
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- fiber ring
- spoke
- disc
- fixing structure
- spokes
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Abstract
The utility model provides a fiber ring fixing structure, a rotor and a disc type motor, which comprise a retainer, wherein the retainer comprises a disc and a plurality of spokes, and the spokes are connected to the outer periphery of the disc at intervals; the clamping pieces comprise two clamping plates which are inserted into the outer peripheral edge of the spoke in an axial arrangement mode along the holder, and a fiber ring is sleeved on the outer peripheral edge of the spoke and is accommodated between the two clamping plates, the shape of the fiber ring is not required to be damaged, the strength and the reliability of the fiber ring are effectively prevented from being influenced, and the phenomenon that the fiber ring is fixed to the magnetic steel and fails is further prevented. The other two clamping plates are axially arranged along the retainer to axially fix the fiber ring, so that the fixing effect on the fiber ring is improved.
Description
Technical Field
The utility model relates to the field of disc motors, in particular to a fiber ring fixing structure, a rotor and a disc motor.
Background
The rotor of the disc type motor is of a flat disc-shaped structure and comprises a retainer, a plurality of magnetic steels and a fixing ring, wherein a plurality of inwards-concave clamping positions are formed in the outer periphery of the retainer, the magnetic steels are assembled in the clamping positions so as to be arranged in an annular interval mode, and the fixing ring is sleeved on the outer periphery of the retainer to fix the magnetic steels. The radial two ends of the magnetic steel are respectively fixed by the retainer and the fixing ring to prevent the magnetic steel from generating radial displacement, so that the phenomenon that the magnetic steel flies out from the retainer due to the centrifugal force generated by the high-speed rotation of the rotor is avoided.
The existing fixing ring is mostly fixed on the retainer in a screw fastening mode, and in the screw fastening mode, a screw penetrates through the fixing ring and is connected with the retainer, so that the structure of the fixing ring is damaged, and the fixing effect of the magnetic steel on the fixing ring is reduced. Especially, the fixing ring made of fiber materials is adopted, when a hole part for the screw to pass through is formed in the fixing ring, fiber fracture can occur, and the strength and the reliability of the fixing ring are greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a fiber ring fixing structure, a rotor, and a disc motor that can prevent damage to the structure and improve the reliability of the structure.
According to an object of the present invention, there is provided a fiber ring fixing structure comprising:
the holder comprises a disk and a plurality of spokes, and the spokes are connected to the outer periphery of the disk at intervals;
a plurality of clamping pieces, each clamping piece comprises two clamping plates, the two clamping plates are inserted on the outer periphery of the spoke in an axial arrangement mode along the retainer,
a fibre ring sleeved on the outer periphery of the spoke and contained between the two clamping plates.
As a preferable technical solution, the clamping member further includes a base plate, the base plate abuts against an outer periphery of the spoke, and the clamping plates are connected to an outer side of the base plate relative to the spoke, so that the fiber ring is accommodated in a space defined by the base plate and the two clamping plates.
As the preferred technical scheme, the spoke has two spoke medial surfaces arranged along the circumference, and each spoke medial surface all sets up the convex part with the magnet steel gomphosis.
As the preferred technical scheme, the joint spare still includes an at least picture peg, the picture peg connect in the base plate, set up on the outer peripheral edge of spoke and hold the slot of picture peg, the slot is by at least one the spoke medial surface exposes, and hold in the picture peg in the slot, it with the spoke medial surface flushes.
As a preferable technical scheme, the number of the insertion plates is two, the two insertion plates are positioned on the same inner side surface of the spoke, and the convex part is clamped between the two insertion plates.
As a preferred technical scheme, the number of the insertion plates is two, and the two insertion plates are located on two sides of the circumferential direction of the spoke.
Preferably, the number of the clamping pieces is smaller than that of the spokes, and the clamping pieces are arranged along the outer periphery of the disc at equal intervals.
Preferably, the fiber ring is formed by winding carbon fibers.
According to another object of the present invention, there is also provided a rotor including the fiber ring fixing structure of the above embodiment, the rotor further including:
the magnetic steels are embedded between two adjacent spokes and are kept between the disc and the fiber ring.
According to another object of the present invention, there is also provided a disc motor including the rotor of the above embodiment, the disc motor further including:
the rotating shaft comprises a shaft part and a step part connected to the shaft part;
the pressing plate piece is sleeved on the shaft part, the disc is sleeved on the shaft part, and the disc abuts between the pressing plate piece and the step part;
at least one retaining member, the retaining member connect gradually step portion the disc with the clamp plate spare.
Compared with the prior art, the technical scheme has the following advantages:
the fiber ring is fixed in two the cardboard piece, and the cardboard peg graft in on the spoke, consequently need not to be to the shape of fiber ring destroys, effectively avoids the intensity and the reliability of fiber ring receive the influence, and then prevents to appear the phenomenon that the fiber ring is fixed inefficacy to the magnet steel. The other two clamping plates are axially arranged along the retainer to axially fix the fiber ring, and the fiber ring is sleeved and tensioned on the outer periphery of the spoke, so that the spoke generates a reaction force for radially fixing the fiber ring, and the fiber ring is further fixed in all directions, and the fixing effect of the fiber ring is improved.
The utility model is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic structural view of a fiber ring fixing structure according to the present invention;
FIG. 2 is a schematic structural view of the clip member of the present invention;
FIG. 3 is a schematic view of a rotor according to the present invention;
fig. 4 is a cross-sectional view of a rotor according to the present invention.
In the figure: the fiber ring fixing structure 100, the holder 110, the disc 111, the spoke 112, the protrusion 1121, the slot 1122, the clamping piece 120, the clamping plate 121, the substrate 122, the inserting plate 123, the inner side surface 11201 of the spoke, the outer side surface 11202 of the spoke, the fiber ring 130, the magnetic steel 200, the rotating shaft 300, the shaft part 310, the step part 320, the pressing plate 400 and the locking piece 500.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
As shown in fig. 1, the fiber ring fixing structure 100 includes:
a holder 110, said holder comprising a disc 111 and a plurality of spokes 112, said plurality of spokes 112 being connected to the outer periphery of said disc 111 at intervals;
a plurality of clamping members 120, wherein the clamping members 120 comprise two clamping plates 121, the two clamping plates 121 are inserted on the outer periphery of the spoke 112 in an axial arrangement manner along the holder 110,
a fiber ring 130, the fiber ring 130 is sleeved on the outer periphery of the spoke 112 and is contained between the two clamping plates 121.
The fiber ring 130 is fixed to the two clamping plates 121, and the clamping plates 121 are inserted into the spokes 112, so that the shape of the fiber ring 130 does not need to be damaged, the strength and reliability of the fiber ring 130 are effectively prevented from being affected, and the phenomenon that the fixing of the fiber ring 130 to the magnetic steel 200 fails is prevented. The other two clamping plates 121 are axially arranged along the holder 110 to axially fix the fiber ring 130, and the fiber ring 130 is sleeved and tensioned on the outer periphery of the spoke 112, so that the spoke 112 generates a reaction force for radially fixing the fiber ring 130, and further the fiber ring 130 is fixed in all directions, thereby improving the fixing effect of the fiber ring 130.
As shown in fig. 1 and 3, the spokes 112 have two inner spoke sides 11201 arranged in the circumferential direction and two outer spoke sides 11202 arranged in the axial direction, the two outer spoke sides 11202 are flush with the two end faces of the disk 111, respectively, and the distance between the two outer spoke sides 11202 or the distance between the two end face pieces of the disk 111 defines the thickness (i.e., the axial dimension) of the holder 110. The thickness of the holder 110 is smaller than the radial dimension of the holder 1110 so that the rotor formed by the holder 110 and the like is suitable for a disc motor.
An area for mounting the magnetic steel 200 is formed between two adjacent spokes 112, and when the magnetic steel 200 is mounted between two adjacent spokes 112, the magnetic steel 200 is in contact with the inner side surfaces 11201 of the spokes on two sides so as to axially fix the magnetic steel 200. Preferably, the spoke inner side surface 11201 is provided with a convex portion 1121 fitted to the magnetic steel 200 to axially fix the magnetic steel 200.
Be used for the installation magnet steel 200's regional shape, its with magnet steel 200's shape looks adaptation, wherein magnet steel 200 is fan-shaped, the fan-shaped top butt of magnet steel 200 is in on the outer peripheral edges of disc 111, the fan-shaped afterbody of magnet steel 200 with spoke 112's outer peripheral edges approximately flush, works as like this fibre ring 130 cup joints when spoke 112's outer peripheral edges, magnet steel 200 is fixed disc 111 with between the fibre ring 130 to carry out radial fixation.
As shown in fig. 1 and 2, the clamping member 120 further includes a base plate 122, the base plate 122 abuts against the outer periphery of the spoke 112, and the clamping plates 121 are connected to the outside of the base plate 122 relative to the spoke 112, so that the fiber ring 130 is accommodated in the space defined by the base plate 122 and the two clamping plates 121.
It can be seen that the two clamping plates 121 are integrally connected to the base plate 122 to form an integral structure, so that the two clamping plates 121 are inserted on the outer periphery of the spoke 112. The two clamping plates 121 are respectively flush with the two spoke outer side surfaces 11202, so that the clamping plates 121 are prevented from exceeding the spoke outer side surfaces 11202 to increase the overall axial dimension, and the service condition of the disc type motor rotor is affected.
As shown in fig. 1 and 2, the clip member 120 further includes at least one insertion plate 123, the insertion plate 123 is connected to the base plate 122, and an insertion slot 1122 for accommodating the insertion plate 123 is formed on the outer periphery of the spoke 112. The number of the insert plates 123 is the same as that of the slots 1122, and each insert plate 123 corresponds to one slot 1122, so that the insert plate 123 is embedded in the spoke 112, and the assembly of the fiber ring 130 and the magnetic steel 200 is prevented from being affected by the exposure of the insert plate 123.
Referring to fig. 1, the slots 1122 are exposed by at least one of the inner spoke side surfaces 11201, and the insert plate 123, which is received within the slots 1122, is flush with the inner spoke side surfaces 11201. Thus, the insert plate 123 can be inserted into the slots 1122 along the radial direction of the disc 111 from the outer peripheral edge of the spoke 112, and can also be placed into the exposed slots 1122 from one side of the inner side surface 11201 of the spoke, so that the insert plate 123 and the spoke 112 can be assembled in various ways, thereby bringing convenience to an assembler.
It is noted that the insert plate 123, which is received in the slot 1122, is flush with the spoke interior side surface 11201. This prevents the insert plate 123 from protruding beyond the inner side 11201 of the spoke and affecting the assembly of the magnetic steel 200.
In one embodiment, the number of the insertion plates 123 is two, the two insertion plates 123 are located on the same inner side surface 11201 of the spoke, the convex portion 1121 is engaged between the two insertion plates 123, and the insertion plates 123 are fixed through the insertion slots 1122, and in addition, the convex portion 1121 located between the two insertion plates 123 is also engaged to improve the pre-fixing effect of the engaging member 120 and the spoke 112, so as to facilitate the subsequent sleeving and fixing of the fiber ring 130.
In another embodiment, the number of the insert plates 123 is two, two insert plates 123 are located at two circumferential sides of the spoke 112, and each insert plate 123 corresponds to one inner side surface 11201 of the spoke, so that the spoke 112 is located between two insert plates 123.
Of course, the insert plate 123 may be correspondingly mounted on the spoke outer side surface 11202, or respectively correspondingly mounted on the spoke outer side surface 11202 and the spoke inner side surface 11201, and the structure is various, and corresponding design can be made according to the requirement.
As shown in fig. 3, the number of the catching members 120 is smaller than the number of the spokes 112, and a plurality of the catching members 120 are arranged at equal intervals along the outer circumference of the disc 111. The number of the clamping pieces 120 is reduced, and meanwhile, the fixing capacity of the fiber ring 130 is guaranteed, and the use cost is reduced.
For example, the number of the clamping members 120 is four, and four clamping members 120 are arranged on the corresponding spokes 112 at equal intervals along the outer periphery of the disc 111.
The fiber ring 130 may be formed by winding a carbon fiber tow or a ribbon, that is, inserting the clamping members 120 around the rim of the spoke 112, and then winding the tow or the ribbon in the space defined by the base plate 122 and the two clamping plates 121 to form the fiber ring 130 sleeved on the rim of the spoke 112.
In summary, the fiber ring 130 is fixed to the two clamping plates 121, and the clamping plates 121 are inserted into the spokes 112, so that the shape of the fiber ring 130 does not need to be damaged, the strength and reliability of the fiber ring 130 are effectively prevented from being affected, and the phenomenon that the magnetic steel 200 is fixed and failed by the fiber ring 130 is prevented. The other two clamping plates 121 are axially arranged along the holder 110 to axially fix the fiber ring 130, and the fiber ring 130 is sleeved and tensioned on the outer periphery of the spoke 112, so that the spoke 112 generates a reaction force for radially fixing the fiber ring 130, and further the fiber ring 130 is fixed in all directions, thereby improving the fixing effect of the fiber ring 130.
As shown in fig. 3, the rotor includes the fiber ring fixing structure 100 of the above embodiment, and the rotor further includes:
and the magnetic steels 200 are embedded between two adjacent spokes 112, and the magnetic steels 200 are held between the disc 111 and the fiber ring 130.
Since the disk motor employs the fiber ring fixing structure 100 of the above embodiment, the disk motor refers to the above embodiment for the beneficial effects brought by the fiber ring fixing structure 100.
It should be noted that the thickness of the magnetic steel 200 is consistent with the thickness of the holder 110 to form the flat rotor, so as to be suitable for a disc motor.
As shown in fig. 3 and 4, the disc motor includes the rotor of the above embodiment, and further includes:
a shaft 300, wherein the shaft 300 includes a shaft portion 310 and a step portion 320 connected to the shaft portion 310;
the pressing plate piece 400 is sleeved on the shaft part 310, the disc 111 is sleeved on the shaft part 310, and the disc 111 abuts between the pressing plate piece 400 and the step part 320;
at least one locking member 500, the locking member 500 sequentially connecting the step part 320, the disc 111 and the pressing plate member 400.
The rotating shaft 300 is located in the center of the disc 111, so that the disc 111 abuts between the step part 320 and the pressing plate part 400, and is fixed by the locking part 500, thereby improving the fixing effect of the rotating shaft 300 and the rotor, and ensuring the verticality of the rotating shaft 300 and the rotor. Wherein the locking member 500 may be a screw or a bolt, etc.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the embodiments, i.e. all equivalent changes or modifications made in the spirit of the present invention are still within the scope of the present invention.
Claims (10)
1. A fiber ring fixation structure (100), comprising:
a retainer (110) which comprises a disk (111) and a plurality of spokes (112), wherein the spokes (112) are connected to the outer periphery of the disk (111) at intervals;
the clamping pieces (120) comprise two clamping plates (121), the two clamping plates (121) are inserted on the outer periphery of the spoke (112) in an axial arrangement mode along the retainer (110),
a fiber ring (130), wherein the fiber ring (130) is sleeved on the outer periphery of the spoke (112) and is contained between the two clamping plates (121).
2. The fiber ring fixing structure (100) according to claim 1, wherein the clamping member (120) further comprises a base plate (122), the base plate (122) abuts against the outer periphery of the spoke (112), and the clamping plates (121) are connected to the outer side of the base plate (122) relative to the spoke (112) so that the fiber ring (130) is accommodated in a space defined by the base plate (122) and the two clamping plates (121).
3. The fiber ring fixing structure (100) according to claim 2, wherein the spokes (112) have two spoke inner sides (11201) arranged along the circumferential direction, and each of the spoke inner sides (11201) is provided with a convex portion (1121) for being embedded with the magnetic steel (200).
4. The fiber ring fixing structure (100) according to claim 3, wherein the clip member (120) further comprises at least one insert plate (123), the insert plate (123) is connected to the base plate (122), the outer periphery of the spoke (112) is provided with a slot (1122) for accommodating the insert plate (123), the slot (1122) is exposed from at least one inner side surface (11201) of the spoke, and the insert plate (123) accommodated in the slot (1122) is flush with the inner side surface (11201) of the spoke.
5. The fiber ring fixing structure (100) according to claim 4, wherein the number of the insert plates (123) is two, two insert plates (123) are located on the same inner side surface (11201) of the spoke, and the convex portion (1121) is engaged between the two insert plates (123).
6. The fiber ring fixing structure (100) according to claim 3, wherein the number of the insert plates (123) is two, and two insert plates (123) are located at both sides of the circumferential direction of the spokes (112).
7. The fiber ring fixing structure (100) according to claim 1, wherein the number of the catching members (120) is smaller than the number of the spokes (112), and a plurality of the catching members (120) are provided at equal intervals along the outer circumference of the disc (111).
8. The fiber ring fixation structure (100) of claim 1, wherein the fiber ring (130) is wound from carbon fiber.
9. A rotor comprising a fibre ring fixing structure (100) according to any of claims 1 to 8, the rotor further comprising:
and the magnetic steels (200) are embedded between two adjacent spokes (112) and are kept between the disc (111) and the fiber ring (130).
10. A disc motor comprising a rotor according to claim 9, the disc motor further comprising:
the rotating shaft (300) comprises a shaft part (310) and a step part (320) connected to the shaft part (310);
the pressing plate piece (400) is sleeved on the shaft part (310), the disc (111) is sleeved on the shaft part (310), and the disc (111) abuts between the pressing plate piece (400) and the step part (320);
at least one locking member (500), the locking member (500) connecting the step (320), the disc (111) and the pressing plate member (400) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211232.XU CN215681962U (en) | 2021-09-13 | 2021-09-13 | Fiber ring fixing structure, rotor and disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211232.XU CN215681962U (en) | 2021-09-13 | 2021-09-13 | Fiber ring fixing structure, rotor and disc type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215681962U true CN215681962U (en) | 2022-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122211232.XU Active CN215681962U (en) | 2021-09-13 | 2021-09-13 | Fiber ring fixing structure, rotor and disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215681962U (en) |
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2021
- 2021-09-13 CN CN202122211232.XU patent/CN215681962U/en active Active
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