CN219833852U - Rotor support and motor rotor - Google Patents

Abstract

The utility model relates to a rotor support and a motor rotor, wherein the rotor support comprises: the rotor connecting disc is provided with an accommodating groove at the first end, and a positioning ring extending axially protrudes from the middle part of the accommodating groove; the adapter plate is arranged in the accommodating groove, a positioning hole is formed in the first end of the adapter plate, and a connecting structure is arranged at the second end of the adapter plate; the connecting piece comprises a plurality of first bolts, a plurality of first through holes are formed in the rotor connecting disc corresponding to the accommodating groove, a plurality of first screw holes corresponding to the first through holes are formed in the adapter disc, and each first bolt penetrates through one of the first through holes and is in threaded fit with the first screw holes so that the adapter disc is detachably connected with the rotor connecting disc. The rotor support can be detached and replaced to the adapter plate according to different engine connection schemes, and then different engine connection schemes are matched, so that the rotor support not only has small influence on the structure of the motor rotor main body, but also can shorten the exchange time of different connection schemes, save materials and reduce cost.

Description

Rotor support and motor rotor

Technical Field

The utility model relates to the technical field of motors, in particular to a rotor bracket and a motor rotor.

Background

The range extender is a core component of a range-extending electric automobile and mainly comprises parts such as an engine, a generator and the like. When the range extender works, chemical energy in gasoline or diesel oil is converted into mechanical energy by the engine, and the mechanical energy is converted into electric energy by the generator to charge the electric automobile, so that the endurance mileage of the electric automobile is increased.

At present, the motor rotor and the engine can be driven by various connection modes, for example, the motor rotor and the engine crankshaft can be directly connected by screws, the motor rotor and the engine crankshaft can be connected by splines, and the motor rotor and the engine flywheel can be directly connected by screws.

However, because the existing rotor support is integrally designed, only one connection scheme can be corresponding to the existing rotor support, if the connection scheme of the engine end is adjusted, the whole structure of the motor rotor also needs to be adjusted, the modification is large, and the cost is high.

Disclosure of Invention

Based on the above, the utility model provides the rotor bracket and the motor rotor, which can detach and replace the adapter plate according to different engine connection schemes so as to match with different engine connection schemes, so that the rotor bracket and the motor rotor have small influence on the structure of the motor rotor main body, can shorten the exchange time of different connection schemes, save materials and reduce cost.

In one aspect, there is provided a rotor support comprising:

the rotor connecting disc is provided with an accommodating groove at the first end, and a positioning ring extending axially protrudes from the middle part of the accommodating groove;

the adapter plate is arranged in the accommodating groove, a positioning hole matched with the positioning ring is formed in the first end of the adapter plate, and a connecting structure used for being connected with the engine end is arranged at the second end of the adapter plate;

the connecting piece comprises a plurality of first bolts, a plurality of first through holes are formed in the rotor connecting disc corresponding to the accommodating groove, a plurality of first screw holes corresponding to the first through holes are formed in the switching disc, and each first bolt penetrates through one of the first through holes and is in threaded fit with the first screw holes, so that the switching disc is detachably connected with the rotor connecting disc.

In one embodiment, the adapter plate comprises a first portion close to the rotor connecting plate and a second portion far away from the rotor connecting plate, the diameter of the second portion is smaller than that of the first portion, the first screw hole is formed in a portion, located radially outwards of the second portion, of the first portion, and the connecting structure is formed in the second portion.

In one embodiment, an end of the second portion remote from the first portion extends axially outside the receiving groove.

In one embodiment, the connection structure comprises a plurality of second bolts;

the rotor connecting disc is provided with a plurality of first through holes which axially penetrate through the rotor connecting disc;

the adapter plate is provided with a plurality of second through holes which axially penetrate through the adapter plate, and the second through holes are respectively opposite to the first through holes;

one end of the second bolt can sequentially pass through the first through hole and the second through hole to extend to the outer side of the second end of the adapter plate.

In one embodiment, the second end of the adapter plate is provided with a positioning groove, and the positioning groove is used for being matched with a positioning protrusion of the engine end in a positioning way.

In one embodiment, the second end of the adapter plate is provided with a dowel hole for locating engagement with a dowel pin of the engine end.

In one embodiment, the middle part of the adapter plate is provided with a lightening hole which axially penetrates through the adapter plate.

In one embodiment, the connection structure is an external spline provided on a surface of the second portion.

In one embodiment, a rotor mounting portion is provided on the circumferential outer side of the rotor connection disc;

a flange is radially protruded from one end of the rotor mounting part, and the flange is fixedly connected with a first magnetic steel baffle;

the other end of the rotor installation part is detachably connected with a second magnetic steel baffle, and the second magnetic steel baffle, the first magnetic steel baffle and the rotor installation part enclose into an installation groove for installing a rotor core.

In another aspect, the present utility model also provides a motor rotor comprising the rotor support of any one of the embodiments described above.

The beneficial effects are that: above-mentioned rotor support is through setting up rotor connection pad and adapter plate into detachable connection's split type structure for this rotor support can dismantle the change to the adapter plate according to the engine connection scheme of difference, and then matches different engine connection schemes, and it is little to the structure influence of motor rotor main part, can shorten the time that different connection schemes exchange moreover, save material, reduce cost.

Moreover, the rotor bracket is used for accommodating the adapter plate by arranging the accommodating groove on the rotor connecting plate, so that the rotor bracket can digest the axial dimension of the adapter plate, and compared with the existing rotor bracket, the rotor bracket has the advantages of compact structure and higher space utilization rate without increasing the axial dimension.

The rotor support is arranged through the positioning holes and the positioning rings, so that the quick positioning of the adapter plate and the rotor connecting plate can be realized, the quick installation of the adapter plate and the rotor connecting plate is facilitated, the operation is more convenient, the exchange time of different connection schemes is further shortened, and the installation efficiency is improved.

Drawings

FIG. 1 is a cross-sectional view of a rotor support in one embodiment;

FIG. 2 is a schematic view of a rotor support in an embodiment;

FIG. 3 is a semi-sectional view of a rotor support in one embodiment;

fig. 4 is a cross-sectional view of a rotor support in another embodiment.

Reference numerals in the drawings of the specification include: rotor connection pad 1, rotor installation department 101, holding tank 2, holding ring 3, adapter plate 4, first part 401, second part 402, locating hole 5, first bolt 6, first perforation 7, first screw 8, second bolt 9, first through-hole 10, second through-hole 11, holding tank 12, location pinhole 13, lightening hole 14, second magnet steel baffle 15, first magnet steel baffle 16, external spline 17.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the illustrations provided in the present embodiment are merely schematic illustrations of the basic idea of the present utility model.

The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are particularly adapted to the specific details of construction and the use of the utility model, without departing from the spirit or essential characteristics thereof, which fall within the scope of the utility model as defined by the appended claims.

References in this specification to orientations or positional relationships as "upper", "lower", "left", "right", "intermediate", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc., are based on the orientation or positional relationships shown in the drawings, are also for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

At least one embodiment of the present utility model provides a rotor support including a rotor connection disc, and a connector.

Wherein, the holding tank has been seted up to the first end of rotor connection pad, and the middle part protrusion of holding tank has the locating ring of axial extension.

The switching dish sets up in the holding tank, and the first end of switching dish is provided with the locating hole that matches with the holding ring, and the second end of switching dish is provided with the connection structure that is used for linking to each other with the engine end.

The connecting piece includes a plurality of first bolts, and rotor connection pad corresponds holding tank department and is provided with a plurality of first perforation, and the adapter plate is provided with a plurality of first screw that correspond with first perforation, and every first bolt all passes one of them first perforation and with first screw thread fit to make adapter plate and rotor connection pad detachable link to each other.

According to the rotor support provided by the embodiment of the utility model, the rotor support is split into the rotor connecting disc and the adapter disc, and the rotor connecting disc and the adapter disc are detachably connected through the connecting piece, so that the rotor support can be used for disassembling and replacing the adapter disc according to different engine connecting schemes, and further different engine connecting schemes are matched, the influence on the structure of a motor rotor main body is small, the interchange time of different connecting schemes can be shortened, materials are saved, and the cost is reduced.

Moreover, the rotor support of this embodiment is used for holding the adapter plate through set up the holding tank on the rotor connection pad, makes it can digest the axial dimension of adapter plate, and it does not increase axial dimension compared with current rotor support, compact structure, space utilization is higher.

In addition, the rotor support of this embodiment can realize the quick location of adapter plate and rotor connection pad through the setting of locating hole and holding ring, and the quick installation of adapter plate and rotor connection pad of being convenient for, and the operation is more convenient, has further shortened the time that different connection schemes exchanged, improves installation effectiveness.

The rotor support provided in the embodiments of the application will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a rotor support according to at least one embodiment of the present utility model. As shown in fig. 1, the rotor bracket includes a rotor connection pad 1, an adapter pad 4, and a connection member.

In the present embodiment, the rotor land 1 is used to provide a foundation for the installation of the rotor core. Specifically, referring to fig. 1 and 2, the rotor land 1 is of an integrally formed cylindrical structure, and a circumferential outer side of the rotor land 1 is provided as a rotor mounting portion 101, the rotor mounting portion 101 being for mounting a rotor core.

For example, referring to fig. 1 and 2, in the present embodiment, a flange radially protrudes from one end of the rotor mounting portion 101, and a first magnetic steel baffle 16 is fixedly connected to the inner side of the flange through a screw, and the rotor core can be sleeved on the rotor mounting portion 101, where the first magnetic steel baffle 16 is used to limit one end of the rotor core.

The other end of the rotor mounting portion 101 is a free end (not labeled in the drawing), and the free end is detachably connected with a second magnetic steel baffle 15 through screws, and the second magnetic steel baffle 15, the first magnetic steel baffle 16 and the rotor mounting portion 101 enclose a mounting groove.

Based on the above structure, during installation, the rotor core is sleeved on the rotor installation part 101, one end of the rotor core is limited by the first magnetic steel baffle 16, and the other end of the rotor core is compressed by the second magnetic steel baffle 15, so that the rotor core is compressed between the second magnetic steel baffle 15 and the first magnetic steel baffle 16, and the assembly of the rotor core on the rotor bracket is realized.

Referring to fig. 1, in the present embodiment, a receiving groove 2 is provided at a first end of a rotor land 1, and the receiving groove 2 extends axially from the first end of the rotor land 1 to a middle portion of the rotor land 1 so as to form a circular groove body having a sufficient depth. In the description of the present embodiment, the first end of the rotor land 1 refers to the right end of the rotor land 1 in the orientation shown in fig. 1.

In this embodiment, the accommodating groove 2 not only can optimize the structure of the rotor support, lighten the weight of the rotor support, but also can be used for installing the adapter plate 4 and digesting the axial dimension of the adapter plate 4, so that the rotor support structure is more compact and the space utilization is higher.

Referring to fig. 1 and 2, in the present embodiment, the adapter plate 4 is of a cylindrical structure and is coaxially disposed in the accommodating groove 2, one end of which is detachably connected to the rotor connecting plate 1 by a connecting member, and the other end of which is provided with a connecting structure for connection with the engine end. For example, referring to fig. 1, the adapter plate 4 includes a first portion 401 near the rotor land 1 for connection with the rotor land 1 and a second portion 402 far from the rotor land 1, the second portion 402 for providing a connection structure for connection with the engine end.

Specifically, referring to fig. 1, in the present embodiment, the diameter of the first portion 401 of the adapter plate 4 is larger than the diameter of the second portion 402, and a plurality of first screw holes 8 are circumferentially provided in a portion of the first portion 401 located radially outside the second portion 402, a plurality of first through holes 7 are circumferentially uniformly provided in the rotor connecting plate 1 corresponding to the receiving groove 2, the plurality of first screw holes 8 are respectively opposite to the plurality of first through holes 7 one by one, and the connecting member includes a plurality of first bolts 6 matched with the first screw holes 8. When in installation, the first bolt 6 passes through the first perforation 7 on the rotor connecting disc 1 and then is in threaded connection with the first screw hole 8 on the adapter disc 4, so that the adapter disc 4 is connected with the rotor connecting disc 1. In this embodiment, the diameters of the first portion 401 and the second portion 402 are set to be different, so that structural interference between the connection structure and the first bolt 6 can be avoided, and adaptability is improved.

Based on the above-mentioned structural design, this embodiment is through setting up rotor connection pad 1 and switching dish 4 to detachable connection's split type structure for the rotor support can dismantle the change to switching dish 4 according to the engine connection scheme of difference, and then matches different engine connection schemes, and it is little to the structural impact of motor rotor main part, can shorten the time that different connection schemes exchange moreover, save material, reduce cost.

In the present embodiment, a positioning structure is also provided between the rotor land 1 and the rotor land 4. For example, referring to fig. 1 and 2, a positioning ring 3 is provided in the receiving groove 2, and a first end of the adapter plate 4 is provided with a positioning hole 5 matching the positioning ring 3. In the description of the present embodiment, the first end of the adapter disk 4 refers to the left end of the adapter disk 4 in the orientation shown in fig. 1, and the second end of the adapter disk 4 refers to the right end of the adapter disk 4 in the orientation shown in fig. 1.

Referring to fig. 1 and 2, in a specific example, the positioning ring 3 protrudes from the middle of the receiving groove 2, and the positioning ring 3 has a circular ring structure coaxially disposed with the rotor connection disc 1, however, in other embodiments, the positioning ring 3 may be disposed in a cylindrical shape. The locating hole 5 is arranged in the middle of the first end of the switching disc 4, is a round hole matched with the locating ring 3, and the locating hole 5 and the switching disc 4 are coaxially arranged. In this way, the adapter plate 4 can be sleeved on the positioning ring 3 through the positioning hole 5, and the coaxial connection of the adapter plate 4 and the rotor connecting plate 1 is ensured.

Based on the structure, during installation, the quick positioning of the adapter plate 4 and the rotor connecting disc 1 can be realized through the positioning ring 3 and the positioning hole 5, the quick installation of the adapter plate 4 and the rotor connecting disc 1 is convenient, the operation is more convenient, the interchange time of different connection schemes is further shortened, and the installation efficiency is improved.

Referring to fig. 1, in the present embodiment, an end of the second portion 402 remote from the first portion 401 extends axially to the outside of the accommodation groove 2. In this way, the assembly of the connection structure of the engine end and the second portion 402 can be ensured to be located outside the rotor land 1, so that interference between the rotor land 1 and the structure of the engine end can be avoided, and the adaptability is better.

Referring to fig. 2 and 3, in an embodiment, the connection structure includes a plurality of second bolts 9, a plurality of first through holes 10 are provided on the rotor connection disc 1, the first through holes 10 axially penetrate through the rotor connection disc 1, a plurality of second through holes 11 opposite to the first through holes 10 are provided on the adapter disc 4, the second through holes 11 axially penetrate through the adapter disc 4, and one end of the second bolts 9 may extend to the outside of the second end of the adapter disc 4 through the first through holes 10 and the second through holes 11 in sequence.

Based on the above structure, when in installation, the second bolt 9 sequentially passes through the first through hole 10 and the second through hole 11 and then is connected with the engine end through threads, so that the connection of the rotor bracket and the engine end is realized. The bolt direct connection mode is simple in structure and convenient to operate, and quick disassembly, assembly and replacement can be achieved.

Referring to fig. 1, a positioning groove 12 is provided in the middle of the second end of the adapter plate 4, and the positioning groove 12 is used for matching with a positioning structure of the engine end. For example, the engine end is provided with a positioning protrusion, and the positioning groove 12 and the positioning protrusion can be coaxially sleeved and matched. Therefore, during assembly, radial positioning and axial positioning of the adapter plate 4 and the engine end can be realized rapidly through the positioning groove 12, and the operation is more convenient and quick.

Referring to fig. 1, in the present embodiment, the second end of the adapter plate 4 is further provided with a dowel hole 13, and the dowel hole 13 is used to mate with a dowel pin of the engine end. In this way, during assembly, through the positioning cooperation of the positioning pin hole 13 and the positioning pin and the positioning cooperation of the positioning groove 12 and the positioning protrusion, the relative rotation of the adapter plate 4 and the engine end can be limited, so that the circumferential positioning of the adapter plate 4 and the engine end is realized.

Referring to fig. 1, in this embodiment, the middle part of the adapter plate 4 is further provided with a lightening hole 14 penetrating through the adapter plate 4 in the axial direction, and the structure of the adapter plate 4 can be optimized by setting the lightening hole 14, so that the weight of the adapter plate 4 is reduced, and a lightweight design is realized. In an embodiment, an internal spline (not shown in the figure) may be further disposed in the lightening hole 14 to realize spline connection between the adapter plate 4 and the engine end, so that, based on the same adapter plate 4, both direct connection of bolts and spline connection can be realized, and the adaptability is better.

Referring to fig. 4, in another embodiment, the connection structure may be an external spline 17 provided on a surface of the second portion 402. In this way, a splined connection of the adapter plate 4 to the engine end can be achieved.

On the other hand, the embodiment of the utility model also provides a motor rotor, which comprises the rotor bracket of any embodiment.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A rotor support, comprising:

a rotor connecting disc (1), wherein a containing groove (2) is formed at the first end of the rotor connecting disc (1), and a positioning ring (3) extending axially protrudes from the middle part of the containing groove (2);

the adapter plate (4) is arranged in the accommodating groove (2), a positioning hole (5) matched with the positioning ring (3) is formed in the first end of the adapter plate (4), and a connecting structure used for being connected with the engine end is arranged at the second end of the adapter plate (4);

the connecting piece comprises a plurality of first bolts (6), a plurality of first through holes (7) are formed in the rotor connecting disc (1) corresponding to the accommodating groove (2), a plurality of first screw holes (8) corresponding to the first through holes (7) are formed in the adapter disc (4), and each first bolt (6) penetrates through one of the first through holes (7) and is in threaded fit with the first screw holes (8), so that the adapter disc (4) is detachably connected with the rotor connecting disc (1).

2. The rotor support according to claim 1, wherein: the adapter plate (4) comprises a first part (401) close to the rotor connecting plate (1) and a second part (402) far away from the rotor connecting plate (1), the diameter of the second part (402) is smaller than that of the first part (401), the first screw hole (8) is formed in the part, located on the radial outer side of the second part (402), of the first part (401), and the connecting structure is arranged in the second part (402).

3. A rotor support according to claim 2, characterized in that: an end of the second portion (402) remote from the first portion (401) extends axially outside the receiving groove (2).

4. A rotor support according to claim 2, characterized in that: the connecting structure comprises a plurality of second bolts (9);

a plurality of first through holes (10) which axially penetrate through the rotor connecting disc (1) are formed in the rotor connecting disc (1);

a plurality of second through holes (11) are formed in the switching disc (4), the second through holes (11) axially penetrate through the switching disc (4), and the plurality of second through holes (11) are respectively opposite to the plurality of first through holes (10);

one end of the second bolt (9) can sequentially pass through the first through hole (10) and the second through hole (11) to extend to the outer side of the second end of the adapter plate (4).

5. The rotor support as set forth in claim 4, wherein: the second end of the switching disc (4) is provided with a positioning groove (12), and the positioning groove (12) is used for being matched with a positioning protrusion at the end of the engine in a positioning way.

6. The rotor support as set forth in claim 4, wherein: the second end of the adapter plate (4) is provided with a positioning pin hole (13), and the positioning pin hole (13) is used for being matched with a positioning pin of the engine end in a positioning way.

7. The rotor support as set forth in claim 4, wherein: the middle part of switching dish (4) is provided with axial and runs through lightening hole (14) of switching dish (4).

8. A rotor support according to claim 3, wherein: the connection structure is an external spline (17) provided on the surface of the second portion (402).

9. The rotor support according to claim 1, wherein: a rotor mounting part (101) is arranged on the circumferential outer side of the rotor connecting disc (1);

a flange is radially protruded at one end of the rotor mounting part (101), and the flange is fixedly connected with a first magnetic steel baffle (16);

the other end of the rotor installation part (101) is detachably connected with a second magnetic steel baffle plate (15), and the second magnetic steel baffle plate (15), the first magnetic steel baffle plate (16) and the rotor installation part (101) enclose an installation groove for installing a rotor core.

10. A motor rotor, characterized in that: comprising a rotor support according to any one of claims 1-9.