CN209072168U - A kind of low-speed permanent-magnet motor pole structure - Google Patents

A kind of low-speed permanent-magnet motor pole structure Download PDF

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Publication number
CN209072168U
CN209072168U CN201822209332.7U CN201822209332U CN209072168U CN 209072168 U CN209072168 U CN 209072168U CN 201822209332 U CN201822209332 U CN 201822209332U CN 209072168 U CN209072168 U CN 209072168U
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China
Prior art keywords
groove
magnet steel
wall
ring
low
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CN201822209332.7U
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Chinese (zh)
Inventor
吴桂珍
殷继宇
柴金鹏
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Beijing Mega Electric Machinery Technology Co Ltd
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Beijing Mega Electric Machinery Technology Co Ltd
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Priority to CN201822209332.7U priority Critical patent/CN209072168U/en
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Abstract

The utility model belongs to technical field of motors, in particular a kind of low-speed permanent-magnet motor pole structure, including bracket, annular groove is offered on the bracket, the inner wall circle of annular groove is equipped with the first groove for being provided with cradle top, multiple location holes being distributed in a ring are offered on the side wall of first groove, and location hole is connected with annular groove, positioning hole is equipped with magnet steel, the two sides of magnet steel all extend to outside location hole, multiple thread grooves being distributed in a ring are offered in the bottom interior wall of annular groove, multiple magnet steel fixed blocks being distributed in a ring are equipped in annular groove, magnet steel fixed block is equipped with the fixing groove that bottom is opening close to the side of corresponding location hole, the side of magnet steel extends in corresponding fixing groove and is in contact with the top inner wall of corresponding fixing groove, the lower section of magnet steel fixed block is equipped with and is provided on annular groove bottom inner wall Second groove.The utility model is easy to operate, easy for installation, has many advantages, such as that low-speed stable, magnetic leakage are small.

Description

A kind of low-speed permanent-magnet motor pole structure
Technical field
The utility model relates to technical field of motors more particularly to a kind of low-speed permanent-magnet motor pole structures.
Background technique
Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction.Word is used in circuit Female M (old plant D) indicates.Its main function is to generate driving torque, as electrical appliance or the power source of various machinery.Hair Motor is indicated with letter G in circuit.Its main function is that electric energy is converted into using mechanical energy, most common to be, benefit It is generated electricity with the pushing generators such as thermal energy, water energy rotor.
Existing motor pole, to guarantee to magnetize, waveform reaches requirement, and magnet steel is fixed on above stator in the form of Surface Mount, this The motor speed of kind structure cannot be too low, it is unbalance otherwise to will cause low speed, for this purpose, proposing a kind of low-speed permanent-magnet motor pole knot Structure.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of low-speed permanent-magnet electricity proposed Machine field structure.
To achieve the goals above, the utility model adopts the technical scheme that a kind of low-speed permanent-magnet motor pole knot Structure, including bracket, offer annular groove on the bracket, and the inner wall circle of annular groove, which is equipped with, is provided with the first recessed of cradle top Slot offers multiple location holes being distributed in a ring on the side wall of the first groove, and location hole is connected with annular groove, location hole Interior to be equipped with magnet steel, the two sides of magnet steel all extend to outside location hole, offer and multiple are distributed in the bottom interior wall of annular groove in a ring Thread groove, multiple magnet steel fixed blocks being distributed in a ring are equipped in annular groove, magnet steel fixed block is close to corresponding location hole Side be equipped with the fixing groove that bottom be opening, the side of magnet steel extend to corresponding fixing groove it is interior and with corresponding fixation The top inner wall of slot is in contact, and the lower section of magnet steel fixed block is equipped with the second groove being provided on annular groove bottom inner wall, and second Through-hole is offered in the top inner wall of groove, the outer sheath of magnet steel fixed block is equipped with magnetic shield.
Preferably, the thread groove internal screw thread is equipped with threaded block, extends at the top of threaded block in the second groove and solid Dingan County is equipped with rotating bar.
Preferably, the third groove being connected with corresponding through-hole is offered at the top of the magnet steel fixed block, is rotated The top of bar extends in third groove and is fixedly installed with rotating block.
Preferably, the quantity of the magnet steel, magnet steel fixed block and magnetic shield is equal.
Preferably, annular spacing groove is offered on the outside of the rotating bar, and ring limit block is equipped in annular spacing groove, and The outer ring of ring limit block is fixedly connected with the inner wall of corresponding second groove.
Preferably, the Internal and external cycle fixing sleeve of the ring limit block be equipped with multiple balls being distributed in a ring, and ball with The inner wall of corresponding annular spacing groove is in contact.
Compared with prior art, the utility model has the beneficial effects that firstly, the device passes through bracket, annular groove, first Groove, location hole, magnet steel, thread groove, magnet steel fixed block, fixing groove, the second groove, through-hole, threaded block, magnetic shield, rotating bar It is matched with rotating block, rotates rotating block, rotating block drives rotating bar rotation, and rotating bar drives threaded block rotation, makes threaded block Into in thread groove, and rotating block is in contact with the bottom interior wall of third groove, so that it may complete the fixation work to magnet steel, pass through Magnet steel is designed as half flush type, the magnet steel face of magnetizing is no longer normal to axial direction, and is parallel to axial direction, with opposite opposing magnetic force shape The available magnetic field of Cheng Xin has many advantages, such as that low-speed stable, magnetic leakage are small, and the utility model is easy to operate, easy for installation, has low speed Stablize, the advantages that magnetic leakage is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 looks up schematic cross-sectional view for the utility model;
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2;
In figure: 1, bracket;2, annular groove;3, the first groove;4, location hole;5, magnet steel;6, thread groove;7, magnet steel is fixed Block;8, fixing groove;9, the second groove;10, through-hole;11, threaded block;12, magnetic shield;13, rotating bar;14, rotating block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of low-speed permanent-magnet motor pole structure, including Bracket 1, offers annular groove 2 on bracket 1, and the inner wall circle of annular groove 2 is equipped with the first groove 3 for being provided with 1 top of bracket, and first Multiple location holes 4 being distributed in a ring are offered on the side wall of groove 3, and location hole 4 is connected with annular groove 2, in location hole 4 Equipped with magnet steel 5, the two sides of magnet steel 5 are all extended to outside location hole 4, are offered and multiple are divided in the bottom interior wall of annular groove 2 in a ring The thread groove 6 of cloth, annular groove 2 is interior to be equipped with multiple magnet steel fixed blocks 7 being distributed in a ring, and magnet steel fixed block 7 is close to corresponding The side of location hole 4 is equipped with the fixing groove 8 that bottom be opening, the side of magnet steel 5 extend to corresponding fixing groove 8 it is interior and with phase The top inner wall of corresponding fixing groove 8 is in contact, and the lower section of magnet steel fixed block 7, which is equipped with, to be provided in 2 bottom interior wall of annular groove Second groove 9, through-hole 10 is offered in the top inner wall of the second groove 9, and the outer sheath of magnet steel fixed block 7 is equipped with magnetic shield 12.
6 internal screw thread of thread groove is equipped with threaded block 11, and the top of threaded block 11 extends in the second groove 9 and is fixedly mounted There is rotating bar 13, the top of magnet steel fixed block 7 offers the third groove being connected with corresponding through-hole 10, rotating bar 13 Top extends in third groove and is fixedly installed with rotating block 14, the quantity phase of magnet steel 5, magnet steel fixed block 7 and magnetic shield 12 Annular spacing groove is offered Deng, the outside of rotating bar 13, ring limit block is equipped in annular spacing groove, and ring limit block is outer Circle is fixedly connected with the inner wall of corresponding second groove 9, and the Internal and external cycle fixing sleeve of ring limit block divides in a ring equipped with multiple The ball of cloth, and ball is in contact with the inner wall of corresponding annular spacing groove, by bracket 1, annular groove 2, the first groove 3, Location hole 4, magnet steel 5, thread groove 6, magnet steel fixed block 7, fixing groove 8, the second groove 9, through-hole 10, threaded block 11, magnetic shield 12, Rotating bar 13 and rotating block 14 match, and rotate rotating block 14, and rotating block 14 drives rotating bar 13 to rotate, and rotating bar 13 drives spiral shell Line block 11 rotates, and enters threaded block 11 in thread groove 6, and rotating block 14 is in contact with the bottom interior wall of third groove, so that it may The fixation work to magnet steel 5 is completed, by the way that magnet steel 5 is designed as half flush type, 5 face of magnetizing of magnet steel is no longer normal to axial direction, and It is parallel to axial direction, forms new available magnetic field with opposite opposing magnetic force, has many advantages, such as that low-speed stable, magnetic leakage are small, this is practical Novel operating is simple, easy for installation, has many advantages, such as that low-speed stable, magnetic leakage are small.
Working principle: magnet steel 5 is designed as half flush type, and 5 face of magnetizing of magnet steel is no longer normal to axial direction, and is parallel to axis To forming new available magnetic field with opposite opposing magnetic force, have many advantages, such as that low-speed stable, magnetic leakage are small, in use, first by magnetic shield 12 are put into annular groove 2, and magnet steel 5 is put into location hole 4, and then magnet steel fixed block 7 is put into annular groove 2, make magnet steel 5 Side is located in fixing groove 8, then rotates rotating block 14, and rotating block 14 drives rotating bar 13 to rotate, and rotating bar 13 drives screw thread Block 11 rotates, to threaded block 11 can be made to enter in thread groove 6, until rotating block 14 connects with the bottom interior wall of third groove When touching, so that it may complete the fixation work to magnet steel 5.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of low-speed permanent-magnet motor pole structure, including bracket (1), it is characterised in that: offer annular on the bracket (1) Slot (2), the inner wall circle of annular groove (2) are equipped with the first groove (3) being provided at the top of bracket (1), on the side wall of the first groove (3) Multiple location holes (4) being distributed in a ring are offered, and location hole (4) is connected with annular groove (2), is equipped in location hole (4) Magnet steel (5), the two sides of magnet steel (5) all extend to location hole (4) outside, offer in the bottom interior wall of annular groove (2) multiple in ring The thread groove (6) of shape distribution, annular groove (2) is interior to be equipped with multiple magnet steel fixed blocks (7) being distributed in a ring, magnet steel fixed block (7) It is equipped with the fixing groove (8) that bottom is opening close to the side of corresponding location hole (4), the side of magnet steel (5) extends to relatively It is in contact in the fixing groove (8) answered and with the top inner wall of corresponding fixing groove (8), the lower section of magnet steel fixed block (7) is equipped with The second groove (9) being provided in annular groove (2) bottom interior wall offers through-hole (10) in the top inner wall of the second groove (9), The outer sheath of magnet steel fixed block (7) is equipped with magnetic shield (12).
2. a kind of low-speed permanent-magnet motor pole structure according to claim 1, it is characterised in that: in the thread groove (6) Screw thread is equipped with threaded block (11), is extended in the second groove (9) at the top of threaded block (11) and is fixedly installed with rotating bar (13)。
3. a kind of low-speed permanent-magnet motor pole structure according to claim 1, it is characterised in that: the magnet steel fixed block (7) the third groove being connected with corresponding through-hole (10) is offered at the top of, the top of rotating bar (13) extends to third In groove and it is fixedly installed with rotating block (14).
4. a kind of low-speed permanent-magnet motor pole structure according to claim 1, it is characterised in that: the magnet steel (5), magnet steel The quantity of fixed block (7) and magnetic shield (12) is equal.
5. a kind of low-speed permanent-magnet motor pole structure according to claim 2, it is characterised in that: the rotating bar (13) Outside offers annular spacing groove, is equipped with ring limit block in annular spacing groove, and the outer ring of ring limit block with it is corresponding The inner wall of second groove (9) is fixedly connected.
6. a kind of low-speed permanent-magnet motor pole structure according to claim 5, it is characterised in that: the ring limit block Internal and external cycle fixing sleeve is equipped with multiple balls being distributed in a ring, and ball is in contact with the inner wall of corresponding annular spacing groove.
CN201822209332.7U 2018-12-27 2018-12-27 A kind of low-speed permanent-magnet motor pole structure Active CN209072168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822209332.7U CN209072168U (en) 2018-12-27 2018-12-27 A kind of low-speed permanent-magnet motor pole structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822209332.7U CN209072168U (en) 2018-12-27 2018-12-27 A kind of low-speed permanent-magnet motor pole structure

Publications (1)

Publication Number Publication Date
CN209072168U true CN209072168U (en) 2019-07-05

Family

ID=67102212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822209332.7U Active CN209072168U (en) 2018-12-27 2018-12-27 A kind of low-speed permanent-magnet motor pole structure

Country Status (1)

Country Link
CN (1) CN209072168U (en)

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