CN219678255U - Linear motion miniature motor - Google Patents
Linear motion miniature motor Download PDFInfo
- Publication number
- CN219678255U CN219678255U CN202321158897.1U CN202321158897U CN219678255U CN 219678255 U CN219678255 U CN 219678255U CN 202321158897 U CN202321158897 U CN 202321158897U CN 219678255 U CN219678255 U CN 219678255U
- Authority
- CN
- China
- Prior art keywords
- stator
- linear motion
- main shaft
- rotor
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000010009 beating Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a linear motion miniature motor which comprises a framework metal plate, a main shaft, a rotor, a stator, a nut and a rotor tail cap, wherein the framework metal plate is bent to form a folded edge, two ends of the folded edge are respectively provided with a fixed plate and a bearing plate, the stator is fixed on the fixed plate, one end of the main shaft is fixed with the rotor, the rotor penetrates through the inner side of the stator, the rotor tail cap is arranged at one end of the stator opposite to the fixed plate and is rotationally connected with the rotor, the other end of the main shaft is rotationally connected with the bearing plate, the nut is provided with a groove, the groove and the folded edge form sliding fit, and the nut is sleeved on the outer side of the main shaft and forms threaded transmission fit with the main shaft. The linear motion miniature motor has the advantages of simple structure, low cost, simple assembly and higher production and manufacturing efficiency.
Description
Technical Field
The utility model relates to the technical field of miniature motors, in particular to a linear motion miniature motor.
Background
Currently, the linear motion micro motor on the market generally comprises parts such as a framework metal plate, a cylindrical guide rail, a stator, a main shaft, a rotor, nuts, a wire row and the like and accessories which play a role of a bearing; the cylindrical guide rails are arranged in pairs and fixedly assembled or welded on the framework metal plates, and the nuts are in threaded transmission fit with the main shaft and are in sliding fit with the cylindrical guide rails.
From the integral structure of the linear motion miniature motor, the cylindrical guide rail is adopted to guide the nut, so that the miniature motor is more complex in structure and higher in manufacturing cost, and the miniature motor is more complicated in assembly process steps due to the fact that assembling and matching among the framework metal plate, the cylindrical guide rail, the nut and the like are more troublesome, and production and manufacturing efficiency is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the linear motion miniature motor which is simple in structure, low in cost, simple in assembly and higher in production and manufacturing efficiency.
The utility model adopts the following technical scheme:
the utility model provides a linear motion micro motor, includes skeleton panel beating, main shaft, rotor, stator, nut and rotor tail cap, the skeleton panel beating is buckled and is formed with the hem, and the hem both ends have fixed plate and bearing plate respectively, the stator is fixed on the fixed plate, the one end and the rotor of main shaft are fixed, the rotor wears to establish in the inboard of stator, rotor tail cap sets up the one end at the stator back to the fixed plate to rotate with the rotor and be connected, the other end and the bearing plate of main shaft rotate and are connected, the nut is provided with the recess, the recess with the hem constitutes sliding fit, the nut cover is established in the outside of main shaft and constitutes screw drive cooperation with the main shaft.
Further, the number of the folded edges is two, the folded edges are respectively formed by bending two sides of the framework metal plate, and the two folded edges are arranged in parallel; the number of the grooves is two, and the opening directions of the two grooves are the same.
Further, the fixing plate is provided with a first through hole, the stator is fixed on one side of the fixing plate, which is opposite to the bearing plate, and the main shaft penetrates through the first through hole.
Further, the bearing plate is provided with a second through hole, the second through hole is coaxial with the first through hole, the linear motion miniature motor further comprises a main shaft top cap, the main shaft top cap is assembled in the second through hole, and the other end of the main shaft extends into the main shaft top cap and is in rotary connection with the main shaft top cap.
Further, the nut is also provided with an external connection part for externally connecting the parts.
Further, the external connection part and the groove are respectively positioned at two opposite ends of the nut.
Further, the linear motion miniature motor further comprises a stator tail cover, an elastic piece is arranged on the stator tail cover, the stator tail cover is arranged at one end of the stator, which is opposite to the fixed plate, and the elastic piece presses the rotor tail cap.
Further, the outer wall of the stator is provided with a plurality of clamping grooves which are circumferentially arranged, the periphery of the stator tail cover is provided with a plurality of elastic buckles which are circumferentially arranged, and the elastic buckles are connected into the clamping grooves in a buckling mode.
Further, the linear motion micro motor further comprises balls, the balls are located between the rotor and the rotor tail cap, and the rotor tail cap are in rotary connection through the balls.
Further, the linear motion micro motor further comprises an FPC wire row, one end of the FPC wire row is fixed on the stator and is electrically connected with a coil inside the stator, and a micro plug is arranged at the other end of the FPC wire row.
Compared with the prior art, the utility model has the beneficial effects that:
according to the linear motion miniature motor provided by the utility model, the flange on the framework sheet metal plays a role in guiding the nut, and the flange is used for replacing a cylindrical guide rail (or other guide rails needing to be installed), so that the number of parts can be reduced substantially, the motor structure and the assembly process are simplified, the cost is reduced, and the production and manufacturing efficiency is improved.
Drawings
Fig. 1 is a schematic view of an appearance of a linear motion micro-motor according to an embodiment of the present utility model;
FIG. 2 is a second schematic view of the linear motion micro motor according to the embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a linear motion micro motor according to an embodiment of the present utility model;
FIG. 4 is an exploded view of a linear motion micro-motor according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a nut of a linear motion micro motor according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a positioning tail cover of a linear motion micro motor according to an embodiment of the present utility model.
In the figure: 1. a framework metal plate; 1-1, flanging; 1-2, a fixing plate; 1-3, bearing plates; 1-4, a first through hole; 1-5, a second through hole; 2. a main shaft; 3. a rotor; 4. a stator; 4-1, a clamping groove; 5. a nut; 5-1, grooves; 5-2, an external connection part; 6. a ball; 7. a rotor tail cap; 8. a stator tail cap; 8-1, a spring plate; 8-2, spring buckling; 9. a main shaft top cap; 10. an FPC line row; 10-1, miniature plug.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Referring to fig. 1 to 6, an embodiment of the present utility model provides a linear motion micro motor, which includes a frame metal plate 1, a main shaft 2, a rotor 3, a stator 4, a nut 5, balls 6, a rotor tail cap 7, a stator tail cap 8, a main shaft top cap 9, and an FPC line 10.
In the linear motion micro motor of the embodiment, a framework metal plate 1 is bent to form a folded edge 1-1, two ends of the folded edge 1-1 are respectively provided with a fixed plate 1-2 and a bearing plate 1-3, a stator 4 is fixed on the fixed plate 1-2, one end of a main shaft 2 is fixed with a rotor 3, the rotor 3 is arranged on the inner side of the stator 4 in a penetrating way, a rotor tail cap 7 is arranged at one end of the stator 4 opposite to the fixed plate 1-2 and is in rotary connection with the rotor 3, the other end of the main shaft 2 is in rotary connection with the bearing plate 1-3, a nut 5 is provided with a groove 5-1, the groove 5-1 and the folded edge 1-1 form sliding fit, and the nut sleeve 5 is arranged on the outer side of the main shaft 2 and forms threaded transmission fit with the main shaft 2; the main shaft 2 is provided with two spiral lines, the spiral lines are unfolded at 180 degrees on the main shaft 2 and extend along the cylindrical surface of the main shaft 2, the nut 5 is also provided with double spiral lines, and the spiral lines of the main shaft 2 and the nut 5 are mutually matched.
Preferably, the number of the folded edges 1-1 is two, the folded edges are respectively formed by bending two sides of the framework metal plate 1, and the two folded edges 1-1 are arranged in parallel; the number of the grooves 5-1 is two, and the opening directions of the two grooves 5-1 are the same.
In the linear motion micro motor of the embodiment, a fixed plate 1-2 is provided with a first through hole 1-4, a stator 4 is fixed on one side of the fixed plate 1-2 back to a bearing plate 1-3, and a main shaft 2 passes through the first through hole 1-4; the bearing plate 1-3 is provided with a second through hole 1-5, the second through hole 1-5 is coaxial with the first through hole 1-4, the main shaft top cap 9 is assembled in the second through hole 1-5, and the other end of the main shaft 2 extends into the main shaft top cap 9 and is in rotary connection with the main shaft top cap 9.
In the linear motion micro motor of the embodiment, the nut 5 is further provided with an external connection part 5-2, and the external connection part 5-2 can be in the form of a bump or a connecting groove and is used for externally connecting other parts to drive the parts to linearly move; preferably, the external connection portion 5-2 and the groove 5-1 are located at opposite ends of the nut 5, respectively.
In the linear motion miniature motor of the embodiment, a spring piece 8-1 is arranged on a stator tail cover 8, the stator tail cover 8 is arranged at one end of a stator 4 opposite to a fixed plate 1-2, and the spring piece 8-1 presses a rotor tail cap 7; preferably, the outer wall of the stator 4 is provided with a plurality of clamping grooves 4-1 which are circumferentially arranged, the periphery of the stator tail cover 8 is provided with a plurality of elastic buckles 8-2 which are circumferentially arranged, and the elastic buckles 8-2 are buckled into the clamping grooves 4-1, so that the stator tail cover 8 and the stator 4 form detachable assembly. By means of the arrangement, the assembling of the stator tail cover 8 and the stator 4 can be simpler through the elastic buckle 8-2 and the clamping groove 4-1, so that the assembling process of the miniature motor is further simplified, and the production and manufacturing efficiency is improved.
In the linear motion micro motor of the present embodiment, the balls 6 are located between the rotor 3 and the rotor tail cap 7, and the rotor 3 and the rotor tail cap 7 are rotatably connected by the balls 6.
In the linear motion micro motor of the present embodiment, one end of the FPC line 10 is fixed on the stator 4 and electrically connected to the coil inside the stator 4, and the other end of the FPC line 10 is provided with the micro plug 10-1. The line arrangement mode in the prior art is 4 single-core lines, and the process is relatively more in the manufacturing process; according to the utility model, the FPC wire row mode is adopted, the FPC wire row is connected with the PCBA circuit board by the miniature plug, and compared with the prior art, a plurality of process steps are reduced in manufacturing links, so that the welding reliability is improved, the cost is saved, and the manufacturing cost is reduced.
The assembly process of the linear motion micro motor of the embodiment is as follows:
1) Firstly, a stator 4 is welded to a fixed plate 1-2 of a framework metal plate 1, and the welded stator is firm and reliable; the coils are wound inside the stator 4 and are arranged according to a certain rule and angle, the coils inside the stator 4 are connected with wires of the FPC wire row 10, and the connection parts are encapsulated by insulating glue; when the FPC wire row is electrified, a coil inside the stator 4 can generate a magnetic field so as to drive the rotor 3 to rotate; the rotor 3 can be controlled to rotate forwards and reversely by connecting the miniature plug 10-1 of the FPC wire row 10 with the PCBA circuit board.
2) On the basis of the previous step, the main shaft 2, the rotor 3, the nut 5, the main shaft top cap 9 and other parts are arranged, wherein the main shaft 2 and the rotor 3 are usually pressed together and can be regarded as a single part; the main shaft top cap 9 is arranged in the second through hole 1-5 of the framework metal plate 1, and then the main shaft 2 passes through the inner side of the stator 4; aligning the groove 5-1 of the nut 5 with the folded edge 1-1 of the framework metal plate 1, and twisting the nut 5 into the main shaft 2 at the position of the framework metal plate 1, so that the nut 5 can smoothly slide on the folded edge 1-1 of the framework metal plate 1; the top end of the spindle 2 is then fitted into the bore of the spindle top cap 9.
3) On the basis of the previous step, parts such as a ball 6, a rotor tail cap 7, a stator tail cover 8 and the like are arranged; wherein, the ball 6 is put into the tail part of the rotor 3, the rotor tail cap 7 is put into the inner side of the stator 4, and one end with a concave semicircle is in compaction contact with the ball; the tail end of the outer wall of the stator 4 is provided with four clamping grooves 41, the periphery of the positioning tail cover 8 is provided with four reverse hook-shaped elastic buckles 82, the middle part of the positioning tail cover is provided with a convex elastic piece 81, the elastic buckles 82 are buckled into the clamping grooves 41, and the elastic piece 81 just presses the rotor tail cap 7.
Through the three steps, the linear motion micro motor of the embodiment is assembled, and finally, through a power-on test, the spiral line of the main shaft 2 can drive the nut 5 to reciprocate along the folded edge 1-1 of the framework metal plate 1.
The technical effect of the linear motion micro motor of this embodiment is: the miniature motor plays a guiding role on the nut through the folded edge on the framework metal plate, replaces a cylindrical guide rail (or other guide rails needing to be installed) with the folded edge, can substantially reduce the number of parts, simplifies the motor structure and the assembly process, thereby reducing the cost and improving the production and manufacturing efficiency.
The linear motion micro motor of the present embodiment has the following advantages:
1. small, power consumption, noise and vibration;
2. the structure is simple and compact;
3. the cost is low, and the assembly is simple;
4. dampproofing, anticorrosion, the voltage is low, safety.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. A linear motion micro motor is characterized in that: including skeleton panel beating, main shaft, rotor, stator, nut and rotor tail cap, the skeleton panel beating is buckled and is formed with the hem, and the hem both ends have fixed plate and bearing plate respectively, the stator is fixed on the fixed plate, the one end and the rotor of main shaft are fixed, the rotor wears to establish the inboard at the stator, rotor tail cap sets up the one end at the stator back to the fixed plate to rotate with the rotor and be connected, the other end and the bearing plate of main shaft rotate to be connected, the nut is provided with the recess, the recess with the hem constitutes sliding fit, the nut cover is established in the outside of main shaft and constitutes screw drive cooperation with the main shaft.
2. The linear motion micro-machine of claim 1, wherein: the number of the folded edges is two, the folded edges are respectively formed by bending two sides of the framework metal plate, and the two folded edges are arranged in parallel; the number of the grooves is two, and the opening directions of the two grooves are the same.
3. The linear motion micro-machine of claim 1, wherein: the stator is fixed on one side of the fixing plate, which is opposite to the bearing plate, and the main shaft passes through the first through hole.
4. A linear motion micro-machine as claimed in claim 3, wherein: the bearing plate is provided with a second through hole, the second through hole is coaxial with the first through hole, the linear motion miniature motor further comprises a main shaft top cap, the main shaft top cap is assembled in the second through hole, and the other end of the main shaft extends into the main shaft top cap and is in rotary connection with the main shaft top cap.
5. The linear motion micro-machine of claim 1, wherein: the nut is also provided with an external connection part for externally connecting the parts.
6. The linear motion micro-machine of claim 5, wherein: the external connection part and the groove are respectively positioned at two opposite ends of the nut.
7. The linear motion micro-machine of claim 1, wherein: the linear motion miniature motor further comprises a stator tail cover, an elastic piece is arranged on the stator tail cover, the stator tail cover is arranged at one end of the stator, which is opposite to the fixed plate, and the elastic piece presses the rotor tail cap.
8. The linear motion micro-machine of claim 7, wherein: the outer wall of stator is provided with a plurality of draw-in grooves that are circumference and arranges, the periphery of stator tail end is provided with a plurality of bullet knot that are circumference and arranges, bullet knot lock joint to in the draw-in groove.
9. The linear motion micro-machine of claim 1, wherein: the linear motion micro motor further comprises balls, the balls are located between the rotor and the rotor tail cap, and the rotor tail cap are in rotary connection through the balls.
10. The linear motion micro-machine of claim 1, wherein: the linear motion miniature motor further comprises an FPC wire row, one end of the FPC wire row is fixed on the stator and is electrically connected with a coil inside the stator, and the other end of the FPC wire row is provided with a miniature plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158897.1U CN219678255U (en) | 2023-05-15 | 2023-05-15 | Linear motion miniature motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158897.1U CN219678255U (en) | 2023-05-15 | 2023-05-15 | Linear motion miniature motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219678255U true CN219678255U (en) | 2023-09-12 |
Family
ID=87927798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321158897.1U Active CN219678255U (en) | 2023-05-15 | 2023-05-15 | Linear motion miniature motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219678255U (en) |
-
2023
- 2023-05-15 CN CN202321158897.1U patent/CN219678255U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102519864B1 (en) | compact gear motor | |
| EP2023467A1 (en) | Motor with reduction gear and method of manufacturing the same | |
| KR102644987B1 (en) | Driving Apparatus for Actuator Having BLDC Motor | |
| CN208849562U (en) | Motor | |
| CN219678255U (en) | Linear motion miniature motor | |
| CN208508681U (en) | A kind of damping motor and electric toothbrush | |
| CN212793870U (en) | Screw locking module and robot arm suitable for same | |
| CN211701730U (en) | Speed reducing motor | |
| CN209267343U (en) | The motor of high stable | |
| CN208539691U (en) | High thrust direct current T-type band self-locking device electric pushrod motor | |
| CN221177486U (en) | Brush motor with carbon brush and commutator in axial contact | |
| CN207354002U (en) | A kind of achievable pcb board Fast Installation and the direct-flow micromachine of replacement | |
| JP2833441B2 (en) | Small DC motor with brush | |
| CN214850699U (en) | Double-shaft motor | |
| CN214850698U (en) | Double-shaft motor | |
| CN210578058U (en) | Motor with a motor stator | |
| CN219287228U (en) | Integrated worm rotor | |
| CN220325475U (en) | Crescent iron core winding device | |
| CN215344268U (en) | Permanent-magnet DC motor structure with gear box | |
| CN215070789U (en) | Rotary connector | |
| CN2679911Y (en) | Linear dynamo | |
| CN216361242U (en) | Supporting rod | |
| CN219372136U (en) | Support motor structure of back lid assembled mode | |
| CN220421608U (en) | Built-in driving brushless direct current motor convenient to assemble | |
| CN217036890U (en) | Shaft base structure, motor and body-building device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |