CN215221885U - Permanent magnet motor convenient to dismantle - Google Patents
Permanent magnet motor convenient to dismantle Download PDFInfo
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- CN215221885U CN215221885U CN202023305165.XU CN202023305165U CN215221885U CN 215221885 U CN215221885 U CN 215221885U CN 202023305165 U CN202023305165 U CN 202023305165U CN 215221885 U CN215221885 U CN 215221885U
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- permanent magnet
- fixed mounting
- motor casing
- blind hole
- motor
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Abstract
The utility model discloses a permanent magnet motor convenient to dismantle, including the motor casing, motor casing right-hand member fixed mounting has the back lid, motor casing surface right part is provided with the fixing device that a plurality of groups equidistant annular array distributes, common bearing is connected with the connecting axle between motor casing left end middle part and the back lid right-hand member middle part, motor casing inner chamber lateral wall fixed mounting has the heat dissipation copper pipe, heat dissipation copper pipe inside wall fixed mounting has stator core, the connecting axle surface is located stator core inner chamber part fixed mounting and has the rotor. A permanent magnet motor convenient to dismantle, can realize not using threaded connection through being provided with fixing device and can fix motor casing and back lid and conveniently dismantle simultaneously, the fixed problem that appears smooth silk after using the number of times too much of threaded connection can be avoided relying on in the time of convenient to dismantle, simple structure cost of maintenance is low.
Description
Technical Field
The utility model relates to a motor production technical field, in particular to permanent magnet motor convenient to dismantle.
Background
The permanent magnet motor is a form of a rectangular pulse wave, current sine wave current, hybrid permanent magnet motor. The permanent magnet motor is in the form of: (1) the permanent magnet brushless direct current motor PMBDC has a rectangular pulse wave current; (2) the permanent magnet reluctance synchronous motor PSM has sine wave current; (3) a hybrid permanent magnet motor. The permanent magnetic material comprises: (1) rare earth samarium-cobalt: the energy density is maximum; (2) neodymium iron boron: wide resources and good processability.
Most of the existing permanent magnet motor shells are integrally cast and molded, the size is large, the weight is large, the motor shells are not convenient to place and install, the motor shells need to be damaged only when the motor shells are maintained due to faults, the caused economic loss is large, and the connecting shells which are partially connected by using threads are easy to cause sliding threads to enable the threaded motors to be difficult to open in frequent disassembly and maintenance, so that the permanent magnet motor convenient to disassemble is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a permanent magnet motor convenient to disassemble, which can effectively solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a permanent magnet motor convenient to dismantle, includes the motor casing, motor casing right-hand member fixed mounting has the back lid, motor casing surface right part is provided with the fixing device that a plurality of groups equidistant annular array distributes, common bearing is connected with the connecting axle between motor casing left end middle part and the back lid right-hand member middle part, motor casing inner chamber lateral wall fixed mounting has the heat dissipation copper pipe, heat dissipation copper pipe inside wall fixed mounting has stator core, the connecting axle surface is located stator core inner chamber part fixed mounting and has the rotor.
Preferably, fixing device includes reset spring and bolt, four annular array distribution's blind hole is seted up to the outside face left part of back lid, blind hole inner chamber lateral wall is seted up and is used blind hole axial lead two spacing grooves as the symmetrical line, the annular has been seted up at blind hole inner chamber lateral wall middle part, the annular communicates with each other with spacing inslot portion, reset spring fixed mounting is at blind hole inner chamber diapire, bolt surface lower part fixed mounting has two stoppers that use bolt axial lead as the symmetrical line, four sets of annular array distribution's mounting hole has been seted up to motor casing surface right part, the shape of mounting hole is the same with the shape that the blind hole and spacing groove are constituteed, the blind hole that the bolt passed the mounting hole is closely laminated with the one end that reset spring kept away from blind hole inner chamber diapire, and the stopper is located the annular at this moment and links together motor casing and back lid.
Preferably, the rear cover comprises rotary fan blades, the rotary fan blades are fixedly mounted on the outer surface of the connecting shaft and located in the middle of the inner cavity of the rear cover, and heat dissipation holes distributed in an annular array are formed in the middle of the right end of the rear cover.
Preferably, the rotor is including installing the axle, installation axle fixed mounting is in the connecting axle surface, it has the winding stake to install equidistant fixed mounting a plurality of groups of axle surface, the winding stake surface is around being equipped with the coil, install the partial standing groove of having seted up of axle surface position between two adjacent winding stakes, fixed mounting has the permanent magnet piece in the standing groove.
Preferably, a plurality of groups of stator windings distributed in an annular array are fixedly mounted on the inner side wall of the stator core.
Preferably, the number of the coils, the permanent magnet blocks and the stator windings is the same, and the positions of the coils, the permanent magnet blocks and the stator windings are in one-to-one correspondence.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through being provided with fixing device, pass the bolt in mounting hole and the blind hole of back lid after the blind hole position alignment on the motor casing and support reset spring with the stopper slide along the spacing inslot to annular internal rotation bolt half-turn just can be in the same place motor casing with the back lid is fixed, rotate the bolt through using the cross screwdriver when needing to dismantle and make the stopper remove the spacing inslot from the annular, reset spring elastic action is in with the ejecting blind hole of bolt this moment, can dismantle the separation with back lid and motor casing, do not need threaded connection fixed can avoid using the problem that the number of times appears the smooth silk after too much.
Drawings
Fig. 1 is a schematic view of an overall structure of a permanent magnet motor convenient to disassemble according to the present invention;
fig. 2 is a sectional schematic view of the internal structure of a permanent magnet motor convenient for disassembly according to the present invention;
fig. 3 is an installation schematic view of the fixing device of the permanent magnet motor convenient to disassemble according to the present invention;
fig. 4 is an enlarged schematic view of a structure at a position a of the permanent magnet motor convenient for disassembly according to the present invention;
fig. 5 is a schematic view of the overall structure of the rotor of the permanent magnet motor convenient to disassemble.
In the figure: 1. a motor housing; 11. mounting holes; 2. a rear cover; 21. blind holes; 22. a limiting groove; 23. a ring groove; 24. rotating the fan blades; 25. heat dissipation holes; 3. a connecting shaft; 4. a heat dissipation copper pipe; 5. a stator core; 51. a stator winding; 6. a rotor; 61. installing a shaft; 62. winding piles; 63. a coil; 64. permanent magnet blocks; 7. a fixing device; 71. a bolt; 72. a limiting block; 73. a return spring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, a permanent magnet motor convenient to dismantle, including motor casing 1, motor casing 1 right-hand member fixed mounting has back lid 2, motor casing 1 surface right part is provided with the fixing device 7 that a plurality of groups equidistant annular array distributes, common bearing is connected with connecting axle 3 between motor casing 1 left end middle part and the 2 right-hand member middle parts of back lid, 1 inner chamber lateral wall fixed mounting of motor casing has heat dissipation copper pipe 4, 4 inside wall fixed mounting of heat dissipation copper pipe has stator core 5, 3 outer surfaces of connecting axle are located 5 inner chamber partial fixed mounting of stator core and have rotor 6.
The fixing device 7 comprises a reset spring 73 and a bolt 71, the left part of the outer surface of the rear cover 2 is provided with four blind holes 21 distributed in an annular array, the side wall of the inner cavity of the blind hole 21 is provided with two limiting grooves 22 taking the axial lead of the blind hole 21 as a symmetrical line, the middle part of the side wall of the inner cavity of the blind hole 21 is provided with an annular groove 23, the annular groove 23 is communicated with the inside of the limiting groove 22, the reset spring 73 is fixedly arranged at the bottom wall of the inner cavity of the blind hole 21, the lower part of the outer surface of the bolt 71 is fixedly provided with two limiting blocks 72 taking the axial lead of the bolt 71 as a symmetrical line, the right part of the outer surface of the motor shell 1 is provided with four groups of mounting holes 11 distributed in an annular array, the shape of the mounting holes 11 is the same as the shape formed by the blind holes 21 and the limiting grooves 22, the bolt 71 passes through the blind hole 21 of the mounting hole 11 to be closely attached to one end of the reset spring 73, at the moment, the limiting blocks 72 are positioned in the annular groove 23 to connect the motor shell 1 with the rear cover 2, when the motor shell is used, the cross screwdriver is used for rotating the bolt 71, so that the limiting block 72 moves into the limiting groove 22 from the annular groove 23, the bolt 71 is ejected out of the blind hole 21 under the elastic action of the return spring 73, the rear cover 2 and the motor shell 1 can be detached and separated, and the problem of thread slipping after too many use times can be avoided without threaded connection and fixation.
Rear cover 2 includes rotating fan blade 24, and rotating fan blade 24 fixed mounting is in rear cover 2 inner chamber part middle parts at 3 surfaces of connecting axle, and the louvre 25 that the annular array distributes is seted up at 2 right-hand members middle parts of rear cover, can drive rotating fan blade 24 when connecting axle 3 rotates in step and rotate and cool down to the inside components and parts of motor casing 1, and the heat of discharging inside through louvre 25 prevents that the inside high temperature of motor from influencing the use.
Rotor 6 is including installing axle 61, installation axle 61 fixed mounting is at 3 surfaces of connecting axle, the equidistant fixed mounting a plurality of groups of installation axle 61 surface have winding pile 62, winding pile 62 surface is around being equipped with coil 63, the mounting axle 61 surface is located the part between two adjacent winding piles 62 and has seted up the standing groove, fixed mounting has permanent magnet piece 64 in the standing groove, can decide parallelly connected and series connection according to the user demand between a plurality of groups of coil 63, it is big to have the rotor to have the energy through inlaying permanent magnet piece 64, light in weight, small, the firm reliable effect of overall structure.
The stator iron core 5 is fixedly provided with a plurality of groups of stator windings 51 distributed in annular array on the inner side wall, so that eddy current and hysteresis loss caused by alternating magnetic potential in the iron core can be reduced, and the efficiency and the power of the motor can be improved.
The coils 63, the permanent magnet blocks 64 and the stator windings 51 are arranged in the same number and in one-to-one correspondence with each other in position, so that the stability of an internal magnetic field during the operation of the motor can be maintained, and the energy output loss and the noise of the motor are reduced.
It should be noted that, the utility model relates to a permanent magnet motor convenient to dismantle, when installing, rotor 6 is firstly assembled and molded, coil 63 is wound on winding pile 62, the series-parallel relation between coils 63 is determined according to actual requirements, permanent magnet block 64 is inlaid in a placing groove, rotor 6 and rotary fan blade 24 are fixedly installed on the outer surface of connecting shaft 3 according to corresponding positions, two ends of connecting shaft 3 are respectively connected on motor shell 1 and back cover 2 by bearings, bolt 71 passes through mounting hole 11 and blind hole 21 after aligning the position of mounting hole 11 on motor shell 1 with blind hole 21 on back cover 2 and supports reset spring 73 to slide stopper 72 along limiting groove 22 to rotary bolt 71 half-circle in annular groove 23, motor shell 1 and back cover 2 can be fixed together, when needing to dismantle, bolt 71 is rotated by using a cross screwdriver to make stopper 72 move from annular groove 23 to limiting groove 22, at this moment, the bolt 71 is ejected out of the blind hole 21 under the elastic action of the reset spring 73, namely, the rear cover 2 and the motor shell 1 can be detached and separated, and the problem of wire sliding after too many use times can be avoided without using threaded connection and fixation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A permanent magnet motor convenient to dismantle, includes motor casing (1), its characterized in that: motor casing (1) right-hand member fixed mounting has back lid (2), motor casing (1) surface right part is provided with fixing device (7) that a plurality of groups equidistant annular array distributes, common bearing is connected with connecting axle (3) between motor casing (1) left end middle part and back lid (2) right-hand member middle part, motor casing (1) inner chamber lateral wall fixed mounting has heat dissipation copper pipe (4), heat dissipation copper pipe (4) inside wall fixed mounting has stator core (5), connecting axle (3) surface is located stator core (5) inner chamber part fixed mounting and has rotor (6).
2. A permanent magnet motor easy to disassemble according to claim 1, wherein: the fixing device (7) comprises a reset spring (73) and a bolt (71), the left part of the outer surface of the rear cover (2) is provided with a blind hole (21) distributed by four annular arrays, the inner cavity side wall of the blind hole (21) is provided with two limiting grooves (22) taking the axial lead of the blind hole (21) as a symmetrical line, the middle part of the inner cavity side wall of the blind hole (21) is provided with an annular groove (23), the annular groove (23) is communicated with the inside of the limiting groove (22), the reset spring (73) is fixedly arranged at the inner cavity bottom wall of the blind hole (21), the lower part of the outer surface of the bolt (71) is fixedly provided with two limiting blocks (72) taking the axial lead of the bolt (71) as a symmetrical line, the right part of the outer surface of the motor shell (1) is provided with four groups of mounting holes (11) distributed by annular arrays, and the shape of the mounting holes (11) is the same as the shape formed by the blind hole (21) and the limiting grooves (22), the bolt (71) penetrates through the blind hole (21) of the mounting hole (11) and one end, far away from the bottom wall of the inner cavity of the blind hole (21), of the reset spring (73) to be tightly attached to each other, and the limiting block (72) is located in the annular groove (23) to connect the motor casing (1) and the rear cover (2) together.
3. A permanent magnet motor easy to disassemble according to claim 1, wherein: the rear cover (2) comprises rotating fan blades (24), the rotating fan blades (24) are fixedly installed on the outer surface of the connecting shaft (3) and located in the middle of the inner cavity of the rear cover (2), and heat dissipation holes (25) distributed in an annular array are formed in the middle of the right end of the rear cover (2).
4. A permanent magnet motor easy to disassemble according to claim 1, wherein: rotor (6) are including installing axle (61), installation axle (61) fixed mounting is in connecting axle (3) surface, a plurality of groups of equidistant fixed mounting of installation axle (61) surface have winding pile (62), winding pile (62) surface is around being equipped with coil (63), the standing groove has been seted up to installation axle (61) surface position in the part between two adjacent winding piles (62), fixed mounting has permanent magnet piece (64) in the standing groove.
5. A permanent magnet motor easy to disassemble according to claim 1, wherein: and a plurality of groups of stator windings (51) distributed in an annular array are fixedly arranged on the inner side wall of the stator core (5).
6. An easily disassembled permanent magnet motor according to claim 4, wherein: the number of the coils (63), the permanent magnet blocks (64) and the stator windings (51) is the same, and the positions of the coils are in one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305165.XU CN215221885U (en) | 2020-12-30 | 2020-12-30 | Permanent magnet motor convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023305165.XU CN215221885U (en) | 2020-12-30 | 2020-12-30 | Permanent magnet motor convenient to dismantle |
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| Publication Number | Publication Date |
|---|---|
| CN215221885U true CN215221885U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023305165.XU Active CN215221885U (en) | 2020-12-30 | 2020-12-30 | Permanent magnet motor convenient to dismantle |
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| CN (1) | CN215221885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966364A (en) * | 2022-11-18 | 2023-04-14 | 东莞金坤新材料股份有限公司 | Array permanent magnet for biochemical diagnostic equipment and manufacturing method thereof |
-
2020
- 2020-12-30 CN CN202023305165.XU patent/CN215221885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966364A (en) * | 2022-11-18 | 2023-04-14 | 东莞金坤新材料股份有限公司 | Array permanent magnet for biochemical diagnostic equipment and manufacturing method thereof |
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