CN104234753A - Micro-motor with surface texture - Google Patents
Micro-motor with surface texture Download PDFInfo
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- CN104234753A CN104234753A CN201410344464.4A CN201410344464A CN104234753A CN 104234753 A CN104234753 A CN 104234753A CN 201410344464 A CN201410344464 A CN 201410344464A CN 104234753 A CN104234753 A CN 104234753A
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Abstract
The invention relates to a micro-motor with a surface texture and belongs to the technical field of a micro electro mechanical system. The micro-motor comprises a machine body, a pressing plate, circular discs, circular disc gaskets, a side plate, a first bearing, a bearing gasket, a second bearing, a retainer ring, a bearing cover, a main shaft, flat keys, an input port and an output port, wherein the circular disc has the effect of converting energy for driving a medium by gas or oil into self rotation and transmitting the energy to the main shaft; the main shaft has the effect of outputting the energy to the outside and acting to realize the use function of the micro-motor; the circular discs and the circular disc gaskets are connected with the main shaft by the flat keys; the pressing plate is used for axially pressing the circular disc on the left side; the main shaft is axially fixed on the side plate by the first bearing, the bearing gasket, the second bearing and the retainer ring. In order to increase the working efficiency of the motor, the surfaces of the circular discs are subjected to texture treatment to machine textures with different shapes. Furthermore, the circular discs and the circular disc gaskets can be additionally arranged in order to increase needed output power and torque of the micro-motor; the circular discs are connected in series and one circular disc gasket is arranged between the adjacent circular discs.
Description
Technical field
The present invention relates to a kind of micro motor having Surface Texture, belong to micro-electromechanical system field.
Background technique
The principal mode of micro motor has now: electrostatic type micro motor, Electromagnetic Micromotor, ultrasonic type micro motor etc.Wherein, electrostatic type micro motor is the intermolecular forces utilizing electric field and electric charge, is rotated by electrostatic force direct driving rotor.Because any fine particles, thin slice have electrostatic to exist, utilize this principle to can be made into very little motor, but its output torque is less, motor generally must be immersed in fluid and operate.Electromagnetic Micromotor utilizes electrical conductor stressed and obtain driving force in magnetic field.It has the advantages such as output torque is large, conversion efficiency is high, rotating speed adjustable extent is large, but coil loss greatly, not easily miniaturization.What Chinese patent CN1034377 and CN102148593 adopted is Electromagnetic Micromotor.Ultrasonic type micro motor utilizes the kinetic force of friction between drive part (ultrasonic vibration of piezo ceramic element) and movable part and obtains driving force.It does not have winding and magnetic element, has that structure is simple, lightweight, moment that per unit volume obtains is large, fast response time and do not have the advantages such as electromagnetic noise.But its conversion efficiency is low, speed range is little.What Chinese patent CN1209685 and CN201742323 adopted is ultrasonic type micro motor.It is noted that above-mentioned micro motor mostly needs to be connected with external control source by wire, this restrict their application area.
For this reason, explore new driving source and method for driving, development good combination property, and be easy to the drive system of microminiaturization, very necessary and urgent.As adopted photo-thermal to drive in Chinese patent CN1777013, in Chinese patent CN102769370, adopt electrothermal-drive.The employing gas that patent of the present invention proposes or the new thought that fluid drives the antithesis disk with Surface Texture, driven medium is easy to obtain, and need not be connected during work by wire with outside, operating range is large, and structure is simple, and reliability is high, long service life, and be easy to realize microminiaturization.The fields such as medical Chinese traditional medicine directed transport, Aerospace Satellite, micro-robot can be widely used in, there is foreseeable application prospect.At present, there is no the mechanism of this type of microminiature drive motor and the bibliographical information of technique study both at home and abroad.
Summary of the invention
The object of the invention is the defect in order to overcome prior art, proposing a kind of micro motor having Surface Texture.
The object of the invention is to be achieved through the following technical solutions.
A kind of micro motor having Surface Texture, comprise: body (1), pressing plate (2), a n disk (3), a n-1 disc pad (4), side plate (5), clutch shaft bearing (6), bearing shim (7), the second bearing (8), back-up ring (9), bearing cap (10), main shaft (11), flat key (12), inlet opening (14) and delivery outlet (15), wherein, n be more than or equal to 2 positive integer.
Its annexation is:
Inlet opening (14) and delivery outlet (15) are positioned on body (1).One end of side plate (5) is connected with body (1); The other end of side plate (5) is connected with bearing cap (10).Active chamber (16) is formed between body (1) and side plate (5).Main shaft (11) is successively through bearing cap (10), back-up ring (9), the second bearing (8), bearing shim (7), clutch shaft bearing (6), side plate (5), a n disk (3) and n-1 disc pad (4); Pressing plate (2) is fixed on the near one end of main shaft (11) distance disk (3), and its effect is axial compression disk (3).N disk (3) is arranged in active chamber (16); Contact between disk (3), between adjacent discs (3), all have disc pad (4); N disk (3) and n-1 disc pad (4) are connected with main shaft (11) by flat key (12).Side plate (5) internal fixtion has clutch shaft bearing (6) and the second bearing (8), has bearing shim (7) between clutch shaft bearing (6) and the second bearing (8); One end of second bearing (8) is bearing shim (7), and the other end is back-up ring (9); Bearing cap (10) is fixedly connected with side plate (5).Main shaft (11) is also connected with clutch shaft bearing (6), bearing shim (7), the second bearing (8) and back-up ring (9).The effect of clutch shaft bearing (6), bearing shim (7), the second bearing (8) and back-up ring (9) is axially fixed on side plate 5 by main shaft (11).Main shaft (11) is coaxial with delivery outlet (15), pressing plate (2), bearing cap (10), back-up ring (9), the second bearing (8), bearing shim (7), clutch shaft bearing (6), disk (3) and disc pad (4).
Wherein, the import that inlet opening (14) are gas-powered medium or fluid driven medium, the outlet that delivery outlet (15) is gas-powered medium or fluid driven medium.The effect of disk (3) is the rotation of self by the Conversion of Energy of gas-powered medium or fluid driven medium, passes to main shaft (11) by flat key (12).The effect of main shaft (11) externally exports energy and does work, to reach the using function of micro motor.
Especially, by carrying out texture process to the surface of described disk (3), process difform texture, to increase the working efficiency of micro motor.
The described surface to disk (3) is carried out texture process and is referred to the dot matrix processing the patterns such as pit, indenture or the convex closure with certain size and arrangement on the surface of disk (3), or anyhow alternate fibrous structure.
For a change required micro motor output power and moment of torsion, can increase or reduce the quantity of disk (3) and disc pad (4) as required, and connect between disk (3), between adjacent discs (3), all have disc pad (4).
The working procedure of described micro motor is:
During work, gas-powered medium or fluid driven medium are filled with the active chamber (16) of micro motor from the inlet opening (14) body (1), gas-powered medium or fluid driven medium speed and pressure after disk (3) reduce, and finally flow out from the delivery outlet (15) body (1).Disk (3) rotates under the effect of gas-powered medium or fluid driven medium, drives main shaft (11) externally to export acting.
Beneficial effect
Compared with the prior art comparatively, the micro motor of Surface Texture that has that the present invention proposes has the following advantages:
1. adopt gas or fluid to drive micro motor, driven medium is easy to obtain, applied range.
2. disc surfaces carries out texture process, obviously can increase the working efficiency of micro motor.
3. the number increasing or reduce disk and disc pad can change output power and the moment of torsion of micro motor, improves the Applicable scope of micro motor, reduces energy loss.
4. simple structure, cost is low, and I&M is simply easy.
Accompanying drawing explanation
Fig. 1 is the assembling External view of micro motor in the specific embodiment of the invention 1;
Wherein, 1-body; 5-side plate; 14-inlet opening; 15-delivery outlet.
Fig. 2 is the front view of micro motor in the specific embodiment of the invention 1;
Wherein, 8-second bearing; 9-back-up ring; 10-bearing cap; 11-main shaft; 13-screw.
Fig. 3 is the A-A generalized section of Fig. 2 in the specific embodiment of the invention 1;
Wherein, 2-pressing plate; 3-disk; 4-disc pad; 6-clutch shaft bearing; 7-bearing shim; 12-flat key; 16-active chamber.
Fig. 4 is the External view of main shaft 11 in the specific embodiment of the invention 1;
Fig. 5 is the External view of body 1 in the specific embodiment of the invention 1;
Fig. 6 is the schematic appearance through the disk 3 of texture process in the specific embodiment of the invention 1;
Fig. 7 is the series connection general assembly sectional view containing multiple disk 3 in the specific embodiment of the invention 2.
Embodiment
According to technique scheme, below in conjunction with accompanying drawing and embodiment, the present invention is described in detail.
Embodiment 1:
Micro motor in the present embodiment, its assembling External view as shown in Figure 1, front view as shown in Figure 2, it comprises: body 1, pressing plate 2,2 disks 3, disc pad 4, side plate 5, clutch shaft bearing 6, bearing shim 7, second bearing 8, back-up ring 9, bearing cap 10, main shaft 11, flat key 12, inlet opening 14, delivery outlet 15, Fig. 3 are the A-A generalized sections of Fig. 2.
Its annexation is:
Inlet opening 14 and delivery outlet 15 are positioned on body 1, and the External view of body 1 as shown in Figure 5.One end of side plate 5 is connected with body 1; The other end of side plate 5 is connected with bearing cap 10.Active chamber 16 is formed between body 1 and side plate 5.Main shaft 11 is successively through bearing cap 10, back-up ring 9, second bearing 8, bearing shim 7, clutch shaft bearing 6, side plate 5,2 disks 3 and 1 disc pad 4, and pressing plate 2 is fixed on main shaft 11 one end near apart from disk 3, and its effect is axial compression disk 3.2 disks 3 are arranged in active chamber 16; Contact between disk 3, between 2 disks 3, have disc pad 4; 2 disks 3 and 1 disc pad 4 are connected with main shaft 11 by flat key 12.Side plate 5 internal fixtion has clutch shaft bearing 6 and the second bearing 8, has bearing shim 7 between clutch shaft bearing 6 and the second bearing 8; One end of second bearing 8 is bearing shim 7, and the other end is back-up ring 9; Bearing cap 10 is fixedly connected with by screw 13 with side plate 5.Main shaft 11 is also connected with clutch shaft bearing 6, bearing shim 7, second bearing 8 and back-up ring 9.The effect of clutch shaft bearing 6, bearing shim 7, second bearing 8 and back-up ring 9 is axially fixed on side plate 5 by main shaft 11.Main shaft 11 is coaxial with delivery outlet 15, pressing plate 2, bearing cap 10, back-up ring 9, second bearing 8, bearing shim 7, clutch shaft bearing 6, disk 3 and disc pad 4.
Wherein, inlet opening 14 is the import of gas-powered medium or fluid driven medium, and delivery outlet 15 is the outlet of gas-powered medium or fluid driven medium.The effect of disk 3 is the rotation of self by the Conversion of Energy of gas-powered medium or fluid driven medium, passes to main shaft 11 by flat key 12.As shown in Figure 4, to the External view of main shaft 11 its effect externally export energy and do work, to reach the using function of micro motor.The outward appearance of body 1 as shown in Figure 5.
The surface of described disk 3, through texture process, processes the dot matrix of the pattern such as pit and convex closure with certain size and arrangement, as shown in Figure 6, to increase the working efficiency of micro motor.
The working procedure of described micro motor is:
During work, gas-powered medium or fluid driven medium are filled with the active chamber 16 of micro motor from the inlet opening 14 body 1, and gas-powered medium or fluid driven medium speed and pressure after disk 3 reduce, and finally flow out from the delivery outlet 15 body 1.Disk 3 rotates under the effect of gas-powered medium or fluid driven medium, drives main shaft 11 externally to export acting.
Embodiment 2:
Micro motor in the present embodiment is similar to the micro-motor structure in embodiment 1, and difference is only that disk 3 is different with the quantity of disc pad 4.In the present embodiment, for increasing required micro motor output power and moment of torsion, disk 3 is 13, and disc pad 4 is 12.Connect between 13 disks 3, all have disc pad 4 between adjacent discs 3, the micro motor general assembly sectional view in the present embodiment as shown in Figure 7.
Although describe embodiments of the present invention by reference to the accompanying drawings, to those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (4)
1. one kind has the micro motor of Surface Texture, it is characterized in that: it comprises: body (1), pressing plate (2), a n disk (3), a n-1 disc pad (4), side plate (5), clutch shaft bearing (6), bearing shim (7), the second bearing (8), back-up ring (9), bearing cap (10), main shaft (11), flat key (12), inlet opening (14) and delivery outlet (15), wherein, n be more than or equal to 2 positive integer;
Its annexation is:
Inlet opening (14) and delivery outlet (15) are positioned on body (1); One end of side plate (5) is connected with body (1); The other end of side plate (5) is connected with bearing cap (10); Active chamber (16) is formed between body (1) and side plate (5); Main shaft (11) is successively through bearing cap (10), back-up ring (9), the second bearing (8), bearing shim (7), clutch shaft bearing (6), side plate (5), a n disk (3) and n-1 disc pad (4); Pressing plate (2) is fixed on the near one end of main shaft (11) distance disk (3), and its effect is axial compression disk (3); N disk (3) is arranged in active chamber (16); Contact between disk (3), between adjacent discs (3), all have disc pad (4); N disk (3) and n-1 disc pad (4) are connected with main shaft (11) by flat key (12); Side plate (5) internal fixtion has clutch shaft bearing (6) and the second bearing (8), has bearing shim (7) between clutch shaft bearing (6) and the second bearing (8); One end of second bearing (8) is bearing shim (7), and the other end is back-up ring (9); Bearing cap (10) is fixedly connected with side plate (5); Main shaft (11) is also connected with clutch shaft bearing (6), bearing shim (7), the second bearing (8) and back-up ring (9); The effect of clutch shaft bearing (6), bearing shim (7), the second bearing (8) and back-up ring (9) is axially fixed on side plate 5 by main shaft (11); Main shaft (11) is coaxial with delivery outlet (15), pressing plate (2), bearing cap (10), back-up ring (9), the second bearing (8), bearing shim (7), clutch shaft bearing (6), disk (3) and disc pad (4);
Wherein, the import that inlet opening (14) are gas-powered medium or fluid driven medium, the outlet that delivery outlet (15) is gas-powered medium or fluid driven medium; The effect of disk (3) is the rotation of self by the Conversion of Energy of gas-powered medium or fluid driven medium, passes to main shaft (11) by flat key (12); The effect of main shaft (11) externally exports energy and does work, to reach the using function of micro motor;
The working procedure of described micro motor is:
During work, gas-powered medium or fluid driven medium are filled with the active chamber (16) of micro motor from the inlet opening (14) body (1), gas-powered medium or fluid driven medium speed and pressure after disk (3) reduce, and finally flow out from the delivery outlet (15) body (1); Disk (3) rotates under the effect of gas-powered medium or fluid driven medium, drives main shaft (11) externally to export acting.
2. a kind of micro motor having Surface Texture as claimed in claim 1, it is characterized in that: for a change required micro motor output power and moment of torsion, can increase or reduce the quantity of disk (3) and disc pad (4) as required, and connect between disk (3), between adjacent discs (3), all have disc pad (4).
3. a kind of micro motor having Surface Texture as claimed in claim 1 or 2, is characterized in that: by carrying out texture process to the surface of described disk (3), to increase the working efficiency of micro motor.
4. a kind of micro motor having Surface Texture as claimed in claim 3, it is characterized in that: the described surface to disk (3) is carried out texture process and referred to the dot matrix processing the patterns such as pit, indenture or the convex closure with certain size and arrangement on the surface of disk (3), or anyhow alternate fibrous structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344464.4A CN104234753B (en) | 2014-07-18 | 2014-07-18 | A kind of micro motor that has Surface Texture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344464.4A CN104234753B (en) | 2014-07-18 | 2014-07-18 | A kind of micro motor that has Surface Texture |
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| Publication Number | Publication Date |
|---|---|
| CN104234753A true CN104234753A (en) | 2014-12-24 |
| CN104234753B CN104234753B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410344464.4A Active CN104234753B (en) | 2014-07-18 | 2014-07-18 | A kind of micro motor that has Surface Texture |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357159A (en) * | 1992-06-23 | 1994-10-18 | Mabuchi-Motor Co., Ltd. | Miniature motor |
| CN1209685A (en) * | 1998-08-28 | 1999-03-03 | 清华大学 | Cylindrical-shaped piezo ultrasonic micro-motor based on freely-bending vibration mode |
| CN2411617Y (en) * | 1999-12-01 | 2000-12-20 | 邱海波 | Piezoelectric ultrasonic micromotor |
| CN101514706A (en) * | 2008-02-22 | 2009-08-26 | 建凖电机工业股份有限公司 | Micro-motor structure |
-
2014
- 2014-07-18 CN CN201410344464.4A patent/CN104234753B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357159A (en) * | 1992-06-23 | 1994-10-18 | Mabuchi-Motor Co., Ltd. | Miniature motor |
| CN1209685A (en) * | 1998-08-28 | 1999-03-03 | 清华大学 | Cylindrical-shaped piezo ultrasonic micro-motor based on freely-bending vibration mode |
| CN2411617Y (en) * | 1999-12-01 | 2000-12-20 | 邱海波 | Piezoelectric ultrasonic micromotor |
| CN101514706A (en) * | 2008-02-22 | 2009-08-26 | 建凖电机工业股份有限公司 | Micro-motor structure |
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| Publication number | Publication date |
|---|---|
| CN104234753B (en) | 2016-05-18 |
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