CN110601416A

CN110601416A - Split type spiral stator micromotor

Info

Publication number: CN110601416A
Application number: CN201910819515.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Nantong Gaoyang Motor Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2019-12-20
Anticipated expiration: 2039-08-31
Also published as: CN110601416B

Abstract

The invention discloses a split type spiral stator micromotor which comprises a rotor, wherein the rotor is in clearance fit with the stator, the outer wall of the stator is sleeved with a casing, the right end of the casing is in threaded connection with a first top cover, the first top cover is movably connected with the right end of the rotor through a bearing, the middle upper position of the first top cover is fixedly connected with a wire holder through a screw, clamping blocks and elastic elements are arranged in four clamping block shells, the lower surfaces of the clamping blocks are attached to the top ends of the elastic elements, the bottom ends of the elastic elements are attached to the outside of the clamping blocks, and the clamping blocks are in sliding clamping connection with the clamping block shells. The stator is for spiral stator, is folded by the laminating of spiral stator piece atress and is pressed and form, folds and press the in-process, scribbles the insulating cement on the contact surface, makes spiral stator piece no longer kick-backs after the insulating cement is done to form spiral stator, combine the winding rod, can improve stator core's utilization ratio greatly in brushless microelectronics field, increase the availability factor when reducing the volume.

Description

Split type spiral stator micromotor

Technical Field

The invention relates to the technical field of micromotors, in particular to a split type spiral stator micromotor.

Background

Micromotors, collectively called "micromotors", refer to motors having a diameter of less than 160mm or a nominal power of less than 750 mW. The micro-motor is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like. In the brushless micromotor, the micromotor without the spiral stator is usually integrated, and the number of turns of the winding of the stator cannot be adjusted according to requirements.

Disclosure of Invention

The invention aims to provide a split type spiral stator micromotor, which aims to solve the problem that the brushless micromotor provided by the background technology does not have a micromotor of a spiral stator type, is usually integrated and cannot adjust the number of turns of a winding of a stator according to requirements.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a little motor of split type spiral stator, includes the rotor, rotor and stator clearance fit, the outer wall and the cover shell of stator cup joint mutually, the right-hand member and the first top cap screw thread of cover shell link to each other, first top cap passes through the right-hand member activity of bearing and rotor and links to each other, the middle position on the upper side of first top cap has the connection terminal through the screw rigid coupling, the left end and the second top cap of cover shell cup joint mutually, the second top cap passes through the bearing and links to each other with the rotor activity, the cover shell be close to rotor one side rigid coupling and have four fixture block shells, four all be equipped with fixture block and elastic element in the fixture block shell, the lower surface of fixture block laminates with elastic element's top mutually, elastic element's bottom laminates with the fixture block outer fast mutually, fixture block and.

Preferably, the rotor comprises an output shaft, permanent magnets and check rings, the outer wall of the output shaft is sleeved with the permanent magnets, the check rings are attached to two sides of each permanent magnet, and the check rings are in interference fit with the output shaft.

Preferably, the stator includes a stator core, a plurality of winding slots and a plurality of winding rods, the plurality of winding rods are integrally formed on an inner wall of the stator core, and the plurality of winding slots are defined by the plurality of winding rods and the stator core.

Preferably, the number of the winding rods must be a multiple of three.

Preferably, the cover shell comprises a cover shell body and clamping grooves, the inner wall of the cover shell body is sleeved with the outer wall of the stator core, and four clamping grooves are uniformly formed in the left end of the outer wall of the cover shell body.

Preferably, the first top cap comprises a first top cap body, a first inner groove and a wiring hole, the left side of the first top cap body is connected with the right end thread of the housing body, the left side of the first top cap body is provided with the first inner groove, the wiring hole is formed above the first inner groove of the first top cap body, the first top cap body is fixedly connected with the wiring base through the wiring hole and a screw, and the first top cap body is movably connected with the output shaft of the rotor through the first inner groove and a bearing.

Preferably, the wire holder includes chassis, chock and terminal, the left end integrated into one piece on chassis has the chock, it has three terminal to evenly run through on the chock, the chock cup joints with first top cap body through the wiring hole mutually.

Preferably, the second top cap comprises a second top cap body, a blocking ring, sliding grooves and a second inner groove, the right end of the second top cap body is in threaded connection with the left end of the casing body, the blocking ring is integrally formed on the right side of the second top cap body and is sleeved with the casing body, the second inner groove is formed in the middle of the right side of the second top cap body, the second top cap body is movably connected with the output shaft of the rotor through the second inner groove and the bearing, and the second top cap body is evenly provided with the four sliding grooves.

Preferably, the fixture block includes slider, bottom plate, dog and slide bar, the bottom integrated into one piece of slider has the bottom plate, the upper surface right side position integrated into one piece of slider has the dog, the left side integrated into one piece of slider has the slide bar, the slide bar passes through spout and second top cap body slip joint, the lower surface of bottom plate is laminated with elastic element's top mutually, the draw-in groove and the cover body looks joint of the honor light cover shell of dog, slider, bottom plate and dog cup joint with the fixture block shell slip.

Preferably, the fixture block shell includes slider shell, slide and through-hole, the slider rigid coupling corresponds the spout position in the right side of second top cap body, and the slide has been seted up to the slider shell near second top cap body one side, the slide and the slider and the bottom plate slip joint of fixture block, the fender ring of second top cap corresponds the slider outer quick position and has seted up the through-hole, the dog clearance fit of through-hole and fixture block.

Compared with the prior art, the invention has the beneficial effects that:

1. this little motor of split type spiral stator, stator are for spiral stator, are folded by the laminating of spiral stator piece atress and are folded and press and form, fold and press the in-process, scribble the insulating cement on the contact surface, make spiral stator piece no longer kick-back after the insulating cement is done to form spiral stator, combine the winding rod, can improve stator core's utilization ratio greatly in brushless microelectronics field, increase the availability factor when reducing the volume.

2. This little motor of split type spiral stator, the second top cap passes through the joint of fixture block and fixture block shell and cover shell to and the screw thread of first top cap and cover shell links to each other and is convenient for dismantle, compare in the little motor of current integral type, be more convenient for maintain and change internals.

3. This split type spiral stator micromotor, split type design makes rotor and stator can carry out the modularization production according to demand self specification to the rotor and the stator independent assortment of messenger's multiple different specifications has increased the suitability.

4. This little motor of split type spiral stator, when the overall structure need be dismantled, stir the slide bar to the output shaft direction, make the slide bar drive slider and bottom plate with elastic element compression to make the dog deviate from in the draw-in groove of cover shell, thereby dismantle the second top cap, take out the rotor, rotate first top cap, and make the stator follow first top cap and rotate, make first top cap realize dismantling, thereby realize that the overall structure dismantles.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic structural view of the slot, the slider and the stopper of FIG. 1;

FIG. 4 is an enlarged schematic view of the rotor structure of FIG. 2;

FIG. 5 is an enlarged schematic view of the stator structure of FIG. 2;

FIG. 6 is an enlarged schematic view of the first cap structure of FIG. 2;

FIG. 7 is an enlarged view of the wire holder structure of FIG. 2;

FIG. 8 is an enlarged schematic view of the second cap structure of FIG. 2;

fig. 9 is an enlarged schematic view of the latch structure of fig. 2.

In the figure: 1. the rotor comprises a rotor body 101, an output shaft 102, a permanent magnet 103, a retainer ring 2, a stator body 201, a stator core 202, a winding groove 203, a winding rod 3, a casing 301, a casing body 302, a clamping groove 4, a first top cover 401, a first top cover body 402, a first inner groove 403, a wiring hole 5, a wiring seat 501, a chassis 502, a plug block 503, a wiring post 6, a second top cover 601, a second top cover body 602, a baffle ring 603, a sliding groove 604, a second inner groove 7, a fixture block 701, a sliding block 702, a bottom plate 703, a baffle block 704, a sliding rod 8, a fixture block housing 801, a sliding block housing 802, a sliding way 803, a through hole 9 and an elastic element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a split type spiral stator micromotor comprises a rotor 1, the rotor 1 is in clearance fit with the stator 2, the outer wall of the stator 2 is sleeved with a casing 3, the right end of the casing 3 is in threaded connection with a first top cover 4, the first top cover 4 is movably connected with the right end of the rotor 1 through a bearing, the middle upper position of the first top cover 4 is fixedly connected with a wire holder 5 through a screw, the wire holder 5 is used for connecting an integral structure with an external circuit, the left end of the casing 3 is sleeved with a second top cover 6, the second top cover 6 is movably connected with the rotor 1 through a bearing, one side of the casing 3 close to the rotor 1 is fixedly connected with four fixture block shells 8, a fixture block 7 and an elastic element 9 are arranged in each fixture block shell 8, the elastic element 9 is made of rubber, so that the fixture block 7 can reset, the lower surface of the fixture block 7 is attached to the top end of the elastic element 9, the bottom end of the elastic, the fixture block 7 is in sliding clamping connection with the fixture block shell 8.

Rotor 1 includes output shaft 101, permanent magnet 102 and retaining ring 103, and the outer wall and the permanent magnet 102 of output shaft 101 cup joint mutually, and retaining ring 103 has all been laminated to the both sides of permanent magnet 102, and the material of permanent magnet 102 is rubidium iron boron magnet, and two retaining rings 103 all with output shaft 101 interference fit. Stator 2 includes stator core 201, wire winding groove 202 and wire winding pole 203, and stator core 201's inner wall integrated into one piece has a plurality of wire winding poles 203, and a plurality of wire winding poles 203 enclose into a plurality of wire winding grooves 202 with stator core 201, and stator core 201 is spiral stator, is folded by the laminating of spiral stator piece atress and is pressed and form, folds and press the in-process, scribbles the insulating cement on the contact surface, makes spiral stator piece no longer kick-back after the insulating cement is done to form stator core 201. The number of winding rods 203 must be a multiple of three.

The housing 3 comprises a housing body 301 and clamping grooves 302, the inner wall of the housing body 301 is sleeved with the outer wall of the stator core 201, external threads are processed on the outer surface of the right end of the housing body 301, and the four clamping grooves 302 are uniformly formed in the left end of the outer wall of the housing body 301. First top cap 4 includes first top cap body 401, first inside groove 402 and wiring hole 403, the internal thread has been processed to the left end inner wall of first top cap body 401, the left side of first top cap body 401 links to each other with the right-hand member screw thread of cover body 301, first inside groove 402 has been seted up to the left side of first top cap body 401, wiring hole 403 has been seted up to first inside groove 402 top of first top cap body 401, first top cap body 401 passes through wiring hole 403 and screw and connection terminal 5 looks rigid coupling, first top cap body 401 is through first inside groove 402 and bearing and rotor 1's output shaft 101 activity link to each other.

The wire holder 5 comprises a chassis 501, a plug block 502 and a binding post 503, the plug block 502 is integrally formed at the left end of the chassis 501, three binding posts 503 uniformly penetrate through the plug block 502, and the plug block 502 is sleeved with the first top cover body 401 through a wire connection hole 403.

The second top cover 6 comprises a second top cover body 601, a baffle ring 602, sliding grooves 603 and a second inner groove 604, the right end of the second top cover body 601 is in threaded connection with the left end of the casing body 301, the right side of the second top cover body 601 is integrally formed with the baffle ring 402, the first baffle ring 602 is sleeved with the casing body 301, the second inner groove 604 is formed in the middle position of the right side of the second top cover body 601, the second top cover body 601 is movably connected with the output shaft 101 of the rotor 1 through the second inner groove 602 and a bearing, and the second top cover body 601 is evenly provided with the four sliding grooves 603.

The fixture block 7 comprises a sliding block 701, a bottom plate 702, a stop block 703 and a sliding rod 704, the bottom end of the sliding block 701 is integrally formed with the bottom plate 702, the right side position of the upper surface of the sliding block 701 is integrally formed with the stop block 703, the left side of the sliding block 701 is integrally formed with the sliding rod 704, the sliding rod 704 is slidably clamped with the second top cover body 601 through a sliding groove 603, the lower surface of the bottom plate 702 is attached to the top end of the elastic element 9, the clamping groove 302 of the sleeve 3 covered by the stop block 703 is clamped with the sleeve body 301, and the sliding block 701, the bottom plate 702 and the stop block 703.

The fixture block housing 8 includes a slider housing 801, a slide 802 and a through hole 803, the slider 801 is fixedly connected to the right side of the second top cover body 601 corresponding to the slide 603, the slide 802 is disposed on one side of the slider housing 801 close to the second top cover body 601, the slide 802 is slidably connected with the slider 701 and the bottom plate 702 of the fixture block 7, the through hole 803 is disposed on the stop ring 602 of the second top cover 6 corresponding to the position of the slider block 801, and the through hole 803 is in clearance fit with the stop 703 of the fixture block 7.

Selecting an enameled wire according to requirements, winding the enameled wire on a stator core 201 in three strands according to a winding mode of a three-phase motor, after winding, pushing a wire holder 5 into a wire connecting hole 403 of a first top cover 4, fixing the wire holder 5 and a first top cover body 401 through screws, pushing the stator core 201 into a shell body 301 from the left end of the shell body 301, welding an enameled wire terminal on the stator core 201 with the left end of a wiring terminal 503, drawing the first top cover body 401 to be connected with a right end thread of the shell body 301, noting that in the process of connecting the first top cover 6 with the threads of the shell 3, a stator 2 and a first top cover 6 move synchronously to prevent welding spot from welding, movably connecting one end of an output shaft 101 of a rotor 1 with a first inner groove 402 of the first top cover 401 through a bearing, and pushing the other bearing into a second inner groove 604 of a second top cover 6, the blocking ring 602 of the second top cover body 601 is pushed into the case body 301, and the bearing is movably connected with the other end of the output shaft 101 of the rotor 1, meanwhile, the fixture block 7 pushes the slider 701 under the action of the inclined plane of the stop block 703, the bottom plate 702 and the stop block 703 slide towards the slider shell 801 along the slide way 802, and the elastic element 9 is compressed, when the blocking ring 602 completely enters the case body 301, the fixture block 7 can be clamped with the clamping groove 302 of the case 3 under the action of the elastic element 9, so that the second top cover body 601 is fixed with the case 3, the stator 2 is fixed under the extrusion of the second top cover body 601 and the case body 301, the right end of the wiring terminal 503 of the wiring seat 5 is welded with an external line, and the stator is communicated with the external line.

When the whole mechanism needs to be disassembled, the sliding rod 704 is shifted towards the direction of the output shaft 101, the sliding rod 704 drives the sliding block 701 and the bottom plate 702 to compress the elastic element 9, the stop dog 703 is disengaged from the clamping groove 302 of the housing 3, the second top cover 6 is disassembled, the rotor 1 is taken out, the first top cover 4 is rotated, the stator 2 is rotated along with the first top cover 4, the first top cover 4 is disassembled, and the whole mechanism is disassembled.

In the description of the present invention, the number of winding turns of the enamel wire and the stator is not specifically defined, and the number of winding turns is determined according to the actual situation, so that the winding condition of the enamel wire is plotted in the figure to help express the above meaning.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A split type spiral stator micromotor is characterized in that: comprises a rotor (1), the rotor (1) is in clearance fit with the stator (2), the outer wall of the stator (2) is sleeved with a casing (3), the right end of the casing (3) is in threaded connection with a first top cover (4), the first top cover (4) is movably connected with the right end of the rotor (1) through a bearing, the middle upper position of the first top cover (4) is fixedly connected with a wire holder (5) through a screw, the left end of the casing (3) is sleeved with a second top cover (6), the second top cover (6) is movably connected with the rotor (1) through a bearing, one side of the casing (3) close to the rotor (1) is fixedly connected with four fixture block shells (8), fixture blocks (7) and elastic elements (9) are arranged in the four fixture block shells (8), the lower surfaces of the fixture blocks (7) are attached to the top ends of the elastic elements (9), the bottom end of the elastic element (9) is attached to the fixture block outer block (8), and the fixture block (7) is connected with the fixture block shell (8) in a sliding clamping mode.

2. The split helical stator micromotor according to claim 1, wherein: the rotor (1) comprises an output shaft (101), permanent magnets (102) and check rings (103), the outer wall of the output shaft (101) is sleeved with the permanent magnets (102), the check rings (103) are attached to the two sides of the permanent magnets (102), and the two check rings (103) are in interference fit with the output shaft (101).

3. The split helical stator micromotor according to claim 1, wherein: the stator (2) comprises a stator core (201), winding slots (202) and winding rods (203), wherein the inner wall of the stator core (201) is integrally formed with the plurality of winding rods (203), and the plurality of winding rods (203) and the stator core (201) enclose a plurality of winding slots (202).

4. The split helical stator micromotor according to claim 3, wherein: the number of the winding rods (203) must be a multiple of three.

5. The split helical stator micromotor according to claim 1, wherein: the stator core is characterized in that the casing (3) comprises a casing body (301) and clamping grooves (302), the inner wall of the casing body (301) is sleeved with the outer wall of the stator core (201), and four clamping grooves (302) are uniformly formed in the left end of the outer wall of the casing body (301).

6. The split helical stator micromotor according to claim 1, wherein: the first top cover (4) comprises a first top cover body (401), a first inner groove (402) and a wiring hole (403), the left side of the first top cover body (401) is connected with the right end thread of the casing body (301), the left side of the first top cover body (401) is provided with the first inner groove (402), the wiring hole (403) is formed above the first inner groove (402) of the first top cover body (401), the first top cover body (401) is fixedly connected with the wiring seat (5) through the wiring hole (403) and a screw, and the first top cover body (401) is movably connected with the output shaft (101) of the rotor (1) through the first inner groove (402) and a bearing.

7. The split helical stator micromotor according to claim 1, wherein: wire holder (5) are including chassis (501), chock (502) and terminal (503), the left end integrated into one piece on chassis (501) has chock (502), evenly run through on chock (502) has three terminal (503), chock (502) cup joint mutually through wiring hole (403) and first top cap body (401).

8. The split helical stator micromotor according to claim 1, wherein: the second top cover (6) comprises a second top cover body (601), a blocking ring (602), sliding grooves (603) and a second inner groove (604), the right end of the second top cover body (601) is in threaded connection with the left end of the casing body (301), the blocking ring (402) is integrally formed on the right side of the second top cover body (601), the second blocking ring (602) is sleeved with the casing body (301), the second inner groove (604) is formed in the middle position of the right side of the second top cover body (601), the second top cover body (601) is movably connected with the output shaft (101) of the rotor (1) through the second inner groove (602) and a bearing, and the second top cover body (601) is evenly provided with the four sliding grooves (603).

9. The split helical stator micromotor according to claim 1, wherein: fixture block (7) includes slider (701), bottom plate (702), dog (703) and slide bar (704), the bottom integrated into one piece of slider (701) has bottom plate (702), the upper surface right side position integrated into one piece of slider (701) has dog (703), the left side integrated into one piece of slider (701) has slide bar (704), slide bar (704) pass through spout (603) and second top cap body (601) slip joint, the lower surface of bottom plate (702) is laminated with the top of elastic element (9) mutually, draw-in groove (302) and cover body (301) looks joint of light cover shell (3) are honored in dog (703), slider (701), bottom plate (702) and dog (703) slide with fixture block shell (8) and cup joint.

10. The split helical stator micromotor according to claim 1, wherein: fixture block shell (8) include slider shell (801), slide (802) and through-hole (803), slider (801) rigid coupling corresponds spout (603) position in the right side of second top cap body (601), and slider shell (801) are close to second top cap body (601) one side and have seted up slide (802), slide (802) and slider (701) and bottom plate (702) slip joint of fixture block (7), through-hole (803) have been seted up to the fender ring (602) of second top cap (6) corresponding slider outer fast (801) position, through-hole (803) and the dog (703) clearance fit of fixture block (7).