CN1758508A - Motor damping device - Google Patents
Motor damping device Download PDFInfo
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- CN1758508A CN1758508A CN 200410085264 CN200410085264A CN1758508A CN 1758508 A CN1758508 A CN 1758508A CN 200410085264 CN200410085264 CN 200410085264 CN 200410085264 A CN200410085264 A CN 200410085264A CN 1758508 A CN1758508 A CN 1758508A
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- damping
- motor
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- damping device
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Abstract
A motor damping device includes multiple damping pieces and a connection part, in which, the damping pieces are matched on the fastening holes of the fixing unit to slow down the motor vibration transferred to the fixing unit and the connection part connecting the damping unit.
Description
Technical field
The present invention relates to a kind of motor damping device, particularly relate to a kind of motor damping device that revolution produces high frequency noise that intercepts.
Background technology
Figure 1A is the structure side view that existing motor is fixed in mechanism's fixture.Please refer to Figure 1A, general motor 100 has holder 102, and is locked on mechanism's fixture 120 by screw 110.Because holder 102 all is a metal sheet with mechanism's fixture 120, if do not add that any medium cushions, the motor vibrations energy is easy to be delivered to mechanism's fixture 120 by holder 102, makes to produce resonance frequency between two kinds of metal sheets each other.The resonance frequency that adds different metal sheet materials adds takes advantage of effect, just can cause high frequency noise to produce.
Figure 1B and Fig. 1 C are that existing motor holder utilizes shock absorber part to be locked in the structure rearview and the end view of mechanism's fixture.Please be simultaneously with reference to Figure 1B and Fig. 1 C, also can be equidistant two-dimensional arrangement, to slow down the motor vibrations amount that is passed to mechanism's fixture 120 traditionally at three shock absorber parts of adding (Damper) 130 between the holder 102 of motor 100 and the mechanism's fixture 120.Each shock absorber part 130 is as the design of the I shape of Fig. 1 C, and its two ends have the first damping portion 132 and the second damping portion 134, respectively in order to pad between holder 102 and mechanism's fixture 120 and mechanism's fixture 120 and locking between the screw 110.The first damping portion 132 has six damping ribs 136 of symmetrical expression radial arrangement design, and the second damping portion 134 also has six damping ribs 136 of aligned identical mode, can be respectively in order to slow down the motor vibrations amount that is passed to mechanism's fixture 120 via holder 102 and screw 110.
Yet the assembling of shock absorber part 130 is quite time-consuming, and particularly less when the motor volume, thereby the shock absorber part size is when also dwindling thereupon, and for example the color wheel motor in the projector is all the more so.And after the 110 powerful lockings of shock absorber part 130 meeting coping screws, cause locating effect not good, can't effectively intercept the resonant high frequency noise that is produced between holder 102 and the mechanism's fixture 120 and start high frequency noise.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of motor damping device, utilize connecting portion to connect a plurality of shock absorber parts and become a Component Design, not only can slow down the motor vibrations amount that is passed to mechanism's fixture, avoid the high frequency noise of motor vibrations, and can save and assemble man-hour, reduce manufacturing cost.
According to purpose of the present invention, propose a kind of motor damping device, being summarized as follows of this device: the holder of motor is in order to being locked in mechanism's fixture, and mechanism's fixture comprises a plurality of locking holes.Motor damping device comprises a plurality of shock absorber parts and a junction.Each shock absorber part is in order to being disposed at respectively on each locking hole, and slowing down the motor vibrations amount that is passed to mechanism's fixture, and connecting portion is in order to connect shock absorber part.Utilize connecting portion to connect shock absorber part and become a Component Design, not only can reduce the high frequency noise of motor vibrations, and can save and assemble man-hour, reduce manufacturing cost.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, two preferred embodiments cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
Figure 1A is fixed in the structure side view of mechanism's fixture for existing motor;
Figure 1B utilizes shock absorber part to be locked in the structure rearview of mechanism's fixture for existing motor holder;
Fig. 1 C utilizes shock absorber part to be locked in the structure side view of mechanism's fixture for existing motor holder;
Fig. 2 A is fixed in the structure side view of mechanism's fixture of configuration motor damping device for the first embodiment of the invention motor;
Fig. 2 B is the top view of motor damping device among Fig. 2 A;
Fig. 2 C is the end view of motor damping device among Fig. 2 A;
Fig. 2 D is the cut-away section structure chart of the screw collocation sealed holder of shock absorber part and mechanism's fixture among Fig. 2 A;
Fig. 3 A is the motor fixed structure end view that second embodiment of the invention has motor damping device;
Fig. 3 B is the top view of motor damping device deployed condition among Fig. 3 A;
Fig. 3 C is the end view of motor damping device deployed condition among Fig. 3 A;
Fig. 3 D locks the part side-looking structure chart of holder and mechanism's fixture for screw collocation shock absorber part among Fig. 3 A;
Fig. 4 is shock absorber part thickness among Fig. 2 A and Fig. 3 A and the schematic diagram that concerns that locks screw shoulder length.
Embodiment
Next just with two embodiment illustrate motor damping device structure of the present invention with and how to reach the purpose of slowing down motor transmitting vibrations energy.
Example one:
Please refer to Fig. 2 A, it illustrates the structure side view that is fixed in mechanism's fixture of configuration motor damping device according to the first embodiment of the invention motor.General motor 200, it for example is the color wheel of projecting camera motor, it has holder 202 in order to be locked on mechanism's fixture 210, and it is (complicated for avoiding diagram that mechanism's fixture 210 has the locking hole 212 of above-mentioned three equidistant two-dimensional arrangement, this end view only shows two locking holes 212), in order to collocation screw 214 sealed holders 202 and mechanism's fixture 210.Motor damping device 220 is arranged on mechanism's fixture 210, in order to slow down by holder 202 directly or be passed to the motor vibrations amount of mechanism's fixture 210 again via screw 214.
Please illustrate the top view and the end view of motor damping device 220 among Fig. 2 A respectively simultaneously with reference to Fig. 2 B and Fig. 2 C.Motor damping device 220 comprises three shock absorber part (Damper) 230 and connecting portion 240.Connecting portion 240 is in order to connecting three shock absorber parts 230, and shock absorber part 230 is arranged in equally spaced two-dimensional arrangement mode.The design that can be formed in one of connecting portion 240 and shock absorber part 230.Each shock absorber part 230 can be a kind of I shape design, and it comprises body 232, the first damping portion 234 and the second damping portion 236.The first damping portion 234 and the second damping portion 236 are connected in the two ends of body 232, and connecting portion 240, can be a kind of ring-type brace, are connected in three second damping portions 236.Shown in Fig. 2 B and Fig. 2 C, the first damping portion 234 and the second damping portion 236 respectively comprise six damping ribs (Rib) 238, be the outside symmetrically radial arrangement in center with the screw of centre perforation 250.
Please refer to Fig. 2 D, it illustrates the cut-away section structure chart of the 214 collocation shock absorber parts of screw among Fig. 2 A, 230 sealed holders 202 and mechanism's fixture 210.Shock absorber part 230 is in order to being arranged on locking hole 212 places, is passed on mechanism's fixture 210 via holder 202 or screw 214 and forms high frequency noise with the energy that prevents motor vibrations.With regard to its thin bilge construction, body 232 in the middle of being arranged in is in order to be disposed at locking hole 212, and the first damping portion 234 of an end in order to pad between holder 202 and mechanism's fixture 210, to slow down the motor vibrations amount that directly is passed to mechanism's fixture 210 by holder 202, and the second damping portion 236 that is positioned at the other end and is connected with connecting portion 240 between mechanism's fixture 210 and screw 214 (or screw terminal), also via screw 214 is passed to mechanism fixture 210 to slow down the motor vibrations energy in order to pad.
Therefore,, utilize damping rib 238 deformation designs of the first damping portion 234, can slow down its vibratory output and directly be passed to mechanism's fixture 210 when motor 200 rotates the vibrational energy that is produced when being passed to motor damping device 220 via holder 202.Similarly, utilize damping rib 238 deformation designs of the second damping portion 236, can slow down the motor vibrations amount and continue to be passed to mechanism's fixture 210 via screw 214.Therefore, can effectively intercept motor 200 and rotate the high frequency noise that is produced.But in the present embodiment, the mounting direction of motor damping device 220 is not subjected to the restriction of aforementioned applications, real also must taking and aforementioned opposite mounting direction, the second damping portion, 236 pads that soon are connected with connecting portion 240 are between holder 202 and mechanism's fixture 210, and with the first damping portion, 234 pads between mechanism's fixture 210 and screw 214 (or screw terminal), still can reach identical damping effect, promptly not add to give unnecessary details at this.In addition, utilize connecting portion 240 to connect three shock absorber parts 230 and form the single part design, can save the existing built-up time that shock absorber part 230 is disposed at piecemeal locking hole 212, and open a mould and make damping device 220, once promptly make three shock absorber parts 230, it is also low that its manufacturing cost is only made a shock absorber part than a mould of prior art.
Example two:
Please refer to Fig. 3 A, it illustrates the motor fixed structure end view that has motor damping device according to second embodiment of the invention.General motor 300, it for example is the color wheel of projecting camera motor, it has holder 302 in order to lock on mechanism's fixture 310, and it is (complicated for avoiding diagram that mechanism's fixture 310 has the locking hole 312 of above-mentioned three equidistant two-dimensional arrangement, this end view only shows two locking holes 312), in order to collocation screw 314 sealed holders 302 and mechanism's fixture 310.Motor damping device 320 is in order to slow down the motor vibrations amount that is passed to mechanism's fixture 310 by holder 302 and screw 314.
Please illustrate the top view and the end view of motor damping device 320 deployed conditions among Fig. 3 A respectively simultaneously with reference to Fig. 3 B and Fig. 3 C.Motor damping device 320 comprises three shock absorber parts 330, connecting portion 340 and damping pad 350.Connecting portion 340, it can be the ring-type brace, and in order to the shock absorber part 330 that connects three equidistant two-dimensional arrangement, and damping pad 350 connects connecting portion 340.The design that can be formed in one of shock absorber part 330, connecting portion 340 and damping pad 350.Damping pad 350 comprises three combined holes 352, corresponding locking hole 312 configurations, and comprise annular ditch groove 354 around the combined hole 352, in order to slow down the motor vibrations amount that is passed to mechanism's fixture 310 via screw 314.Each shock absorber part 330 comprises body 332 and damping portion 334, and an end of body 332 connects damping portion 334, and damping portion 334 connects connecting portion 340.Damping portion 334 comprises four damping ribs (Rib) 336, equally spaced arranges along circumferencial direction along middle screw 338 edges of boring a hole.
Please refer to Fig. 3 D, it illustrates the part side-looking structure chart that the 314 collocation shock absorber parts 330 of screw among Fig. 3 A lock holder 302 and mechanism's fixture 310.Damping pad 350 in order to pad between mechanism's fixture 310 and screw 314 (or screw terminal).The body 332 of shock absorber part 330 in order to be disposed in the locking hole 312 and simultaneously with damping pad 350 on corresponding combined hole 352 combinations, promptly the top A of body 332 just can prop up the screw terminal of screw 314.Between holder 302 and mechanism's fixture 310, the damping rib 336 by damping portion 334 will help to slow down the motor vibrations amount that directly is passed to mechanism's fixture 310 by holder 302 in order to pad for damping portion 334 and connecting portion 340.In addition, the diameter Dr of the annular ditch groove 354 of damping pad 350 is the screw terminal diameter Ds less than corresponding screw 314, makes annular ditch groove 354 can effectively intercept the motor vibrations energy and is passed to mechanism's fixture 310 via screw 314 again
Therefore,, utilize damping rib 336 deformation designs of damping portion 334, can slow down its vibratory output and directly be passed to mechanism's fixture 310 when motor 300 rotates the vibrational energy that is produced when being passed to motor damping device 320 via holder 302.Similarly, utilize the deformation design of the annular ditch groove 354 of damping pad 350, can slow down the motor vibrations amount and continue to be passed to mechanism's fixture 310 via screw 314.Therefore, can effectively intercept motor 300 and rotate the high frequency noise that is produced.In addition, utilize connecting portion 340 to connect three shock absorber parts 330 and form the single part design, can save the built-up time that shock absorber part 330 is disposed at piecemeal locking hole 312, and open a mould and make damping device 320, once can make three shock absorber parts 330, it is also low that its manufacturing cost is only made a shock absorber part than a mould of prior art.
In addition, as shown in Figure 4, effectively slow down the motor vibrations amount that is passed to mechanism's fixture 210 or 310, lock screw 214 or 314 and can be a kind of shoulder shape screw 400 in order to reach above-mentioned shock absorber part 230 or 330.Shoulder shape screw 400 has shoulder 410, can prevent to take on shape screw 400 brute forces and lock in locking hole 212 or 312 o'clock compression shock absorption spares 230 or 330 and to produce locating effect good and can't effectively intercept the problem of resonance frequency.And the thickness T 1 of each shock absorber part 230 or 330 or T2 are greater than shoulder 410 length L of correspondence shoulder shape screw 400, make shoulder shape screw 400 be locked in locking hole 212 or at 312 o'clock, shock absorber part 230 or 330 damping rib 238 or 336 reach the deflection of suitable degree, effectively to slow down the motor vibrations amount that is passed to mechanism's fixture 210 or 310.
As mentioned above, though the present invention is with three shock absorber parts, and each shock absorber part has the damping rib of six radial symmetric arrays or the damping rib of four equidistant circumferencial direction arrangements is that example explains, yet motor damping device of the present invention also can have the shock absorber part of other number, for example be that four shock absorber parts are arranged with square four jiaos of relative positions, and the design of the damping rib of shock absorber part also can have the damping rib of other number and the damping rib of other arrangement mode, even can be the shock-damping structure of other shape, for example be groove shape.As long as can be arranged at locking hole place and liner at holder and mechanism's fixture and mechanism's fixture and lock between the screw, reach and slow down the purpose that is passed to mechanism's fixture motor vibrations amount, and have connecting portion and connect shock absorber part, do not break away from technical scope of the present invention to save built-up time.Moreover, though among the embodiment really connecting portion be the brace of ring-type or similar ring-type, yet the connecting portion among the present invention do not exceed with the shape of ring-type or similar ring-type, need only connecting portion and can connect each shock absorber part, mechanism design in the time of must cooperating practice in fact is suitable change to connecting portion.
The advantage of the disclosed motor damping device of above-mentioned two embodiment of the present invention is a plurality of shock absorber parts are connected to a Component Design, not only can slow down the motor vibrations amount that is passed to mechanism's fixture, reduce the high frequency noise that is produced, and more convenient assembling, effectively save and assemble man-hour.And a mould can one-body moldedly be made a plurality of shock absorber parts simultaneously, reduces the cost of making.
In sum; though disclosed the present invention in conjunction with above two preferred embodiments; yet it is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (14)
1. motor damping device, this motor comprises a holder, and in order to be locked in mechanism's fixture, this mechanism's fixture comprises a plurality of locking holes, and this motor damping device comprises:
A plurality of shock absorber parts (Damper) are in order to be disposed at respectively on this each locking hole, to slow down the motor vibrations amount that is passed to this mechanism's fixture; And
A junction is in order to connect this each shock absorber part.
2. motor damping device as claimed in claim 1, wherein respectively this each shock absorber part comprises a body, one first damping portion and one second damping portion, this first damping portion and this second damping portion are connected in the two ends of this body, and this connecting portion connects respectively second damping portion.
3. motor damping device as claimed in claim 2, wherein this body is in order to being disposed in this locking hole, and this first damping portion and this second shock absorbing part not in order to pad between this holder and this mechanism's fixture and this mechanism's fixture and being locked between the screw of this locking hole.
4. motor damping device as claimed in claim 2, wherein this body is in order to being disposed in this locking hole, and this second damping portion and this first shock absorbing part not in order to pad between this holder and this mechanism's fixture and this mechanism's fixture and being locked between the screw of this locking hole.
5. motor damping device as claimed in claim 2 wherein should each first damping portion and should each second damping portion respectively comprise screw perforation and many damping ribs (Rib), and this each damping rib is to be center outside radial arrangement symmetrically with this screw perforation.
6. motor damping device as claimed in claim 1, wherein this motor damping device also comprises a damping pad, and in order to connect this connecting portion, respectively this each shock absorber part comprises a body and a damping portion, one end of this body connects this damping portion, and this damping portion connects this connecting portion.
7. motor damping device as claimed in claim 6, wherein this damping pad in order to pad in this mechanism's fixture and be locked between a plurality of screws of those locking holes, this each body is in order to being arranged in this corresponding each locking hole, and this each damping portion and this connecting portion in order to pad between this holder and this mechanism's fixture.
8. motor damping device as claimed in claim 7, wherein this damping pad comprises a plurality of combined holes, in order to should the configuration of each locking hole, and respectively comprise an annular ditch groove around this each combined hole, in order to slow down the motor vibrations amount that is passed to this mechanism's fixture via this each screw respectively.
9. motor damping device as claimed in claim 8, wherein the diameter of this each annular ditch groove is less than to screw terminal diameter that should each screw.
10. motor damping device as claimed in claim 8, wherein this each body combines with this each combined hole of this damping pad via this each locking hole of correspondence.
11. motor damping device as claimed in claim 8, wherein this each damping portion comprises screw perforation and many damping ribs (Rib), and this each damping rib is equally spaced arranged along circumferencial direction along this screw perforated edge.
12. motor damping device as claimed in claim 6, wherein this damping pad and this each shock absorber part and this connecting portion are formed in one.
13. motor damping device as claimed in claim 1, wherein being locked in this mechanism's fixture, and the thickness of this each shock absorber part is respectively takeed on the shoulder length of shape screw greater than this of correspondence to this holder by a plurality of shoulder shape screws.
14. motor damping device as claimed in claim 1, wherein this each shock absorber part and this connecting portion are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410085264 CN1758508A (en) | 2004-10-08 | 2004-10-08 | Motor damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410085264 CN1758508A (en) | 2004-10-08 | 2004-10-08 | Motor damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1758508A true CN1758508A (en) | 2006-04-12 |
Family
ID=36703755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410085264 Pending CN1758508A (en) | 2004-10-08 | 2004-10-08 | Motor damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1758508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369756B (en) * | 2007-08-16 | 2013-06-05 | 三星电子株式会社 | Motor fixing structure and motor assembly |
| CN107621066A (en) * | 2016-07-14 | 2018-01-23 | 东莞市东坑合利美电子电器有限公司 | The damping of drainage arrangement |
-
2004
- 2004-10-08 CN CN 200410085264 patent/CN1758508A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369756B (en) * | 2007-08-16 | 2013-06-05 | 三星电子株式会社 | Motor fixing structure and motor assembly |
| CN107621066A (en) * | 2016-07-14 | 2018-01-23 | 东莞市东坑合利美电子电器有限公司 | The damping of drainage arrangement |
| CN107621066B (en) * | 2016-07-14 | 2020-06-09 | 东莞市东坑合利美电子电器有限公司 | Damping mechanism of drainage device |
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