CN203896107U - Micro-motor locked-rotor prevention mechanism - Google Patents
Micro-motor locked-rotor prevention mechanism Download PDFInfo
- Publication number
- CN203896107U CN203896107U CN201420314141.6U CN201420314141U CN203896107U CN 203896107 U CN203896107 U CN 203896107U CN 201420314141 U CN201420314141 U CN 201420314141U CN 203896107 U CN203896107 U CN 203896107U
- Authority
- CN
- China
- Prior art keywords
- spring sleeve
- compression spring
- sleeve
- motor
- pressure spring
- 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.)
- Expired - Lifetime
Links
- 230000002265 prevention Effects 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to the technical field of motors, and especially relates to a micro-motor locked-rotor prevention mechanism. The micro-motor locked-rotor prevention mechanism comprises a motor body. An output shaft of the motor body is fixedly provided with a shaft sleeve. One end, close to the motor body, of the shaft sleeve is provided with a flange. The shaft sleeve is further provided with a first pressure spring sleeve and a second pressure spring sleeve. A transmission mechanism is arranged between the first pressure spring sleeve and the flange. The shaft sleeve is also provided with a locking mechanism used for controlling the distance between the first pressure spring sleeve and the second pressure spring sleeve. A pressure spring is arranged between the first pressure spring sleeve and the second pressure spring sleeve. According to the utility model, when an outer load is too large, frictional forces are generated between a transmission disk and the flange and between the transmission disk and the first pressure spring sleeve, so that the locked-rotor phenomenon is prevented for the motor, the motor is not liable to be burned, and the reliability and the service lifetime of the motor are improved.
Description
Technical field
The utility model relates to technical field of motors, especially a kind of electrical micro-machine blocking rotation mechanism.
Background technology
Electrical micro-machine (3 watts of following motors of power), is generally used for civilian commodity and all kinds of military hardware of having relatively high expectations for speed governing.The electrical micro-machine that civilian commodity adopt generally adopts relay, heat melting device, encoder, control circuit etc. to carry out current control to motor, after these devices completed current control, needs manual intervention could recover himself function.Be subject to the impact of environment for use factor larger for all kinds of military hardwares, may there is stall in motor under adverse circumstances, recovers to equip and could normally work after normal temperature.As adopt relay, heat melting device, encoder, control circuit etc. to carry out current control to motor, need disassembly equipment to repair accordingly, and army's base level is without dismounting authority, need to report step by step like this maintenance, is unfavorable for the rapid expansion of tactics.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electrical micro-machine anti-jamming mechanism, avoids motor to occur stall phenomenon, improves reliability and useful life that motor uses.
In order to solve the problems of the technologies described above, the utility model comprises motor body, on the output shaft of described motor body, be fixedly installed axle sleeve, described axle sleeve is provided with flange near motor body one end, on described axle sleeve, be also provided with the first compression spring sleeve and the second compression spring sleeve, between described the first compression spring sleeve and flange, be provided with transmission mechanism, on described axle sleeve, be also provided with the retaining mechanism of controlling distance between the first compression spring sleeve and the second compression spring sleeve, between described the first compression spring sleeve and the second compression spring sleeve, be provided with stage clip.
Described transmission mechanism is the drive plate being arranged between the first compression spring sleeve and flange, described the first compression spring sleeve and flange respectively with two end contacts of drive plate.
Described retaining mechanism comprises the baffle ring being arranged on axle sleeve, and adjacent the second compression spring sleeve of described baffle ring, away from the end face of stage clip, is provided with trip bolt between described baffle ring and axle sleeve.
The utility model, in the time that external load is excessive, between drive plate and flange, and produces frictional force between drive plate and the first compression spring sleeve, thereby makes motor avoid the generation of stall phenomenon, is difficult for motor damage, and is provided reliability and the useful life of motor.
Brief description of the drawings
Fig. 1 is structural scheme of mechanism of the present utility model.
Embodiment
The embodiment that the utility model is cited; just for helping to understand the utility model; should not be construed as the restriction to the utility model protection range; for those skilled in the art; do not departing under the prerequisite of the utility model thought; can also the utility model be improved and be modified, these improvement and modification also fall in the scope of the utility model claim protection.
Electrical micro-machine described in the utility model refers to 3 watts of following motors of power, as shown in Figure 1, comprise motor body 1, described motor body is arranged on motor cabinet, on the output shaft 2 of described motor body 1, be fixedly installed axle sleeve 3, described axle sleeve 3 is provided with flange 4 near motor body one end, and described flange 4 is discoid, extends to the radial direction of output shaft; On described axle sleeve 3, be also provided with the first compression spring sleeve 5 and the second compression spring sleeve 6, between described the first compression spring sleeve 5 and the second compression spring sleeve 6, be provided with stage clip 9.Described the first compression spring sleeve 5 and the second compression spring sleeve 6 are wrapped in the surface of axle sleeve 3, and with axle sleeve 3 matched in clearance, between described the first compression spring sleeve 5 and flange 4, be provided with drive plate 7, described the first compression spring sleeve 5 and flange 4 respectively with two end contacts of drive plate 7, on described axle sleeve 3, be also provided with the retaining mechanism of controlling distance between the first compression spring sleeve 5 and the second compression spring sleeve 6, described retaining mechanism comprises the baffle ring 8 being arranged on axle sleeve, adjacent the second compression spring sleeve 6 of described baffle ring 8, away from the end face of stage clip 9, is provided with trip bolt between described baffle ring 8 and axle sleeve 3.
When output shaft rotation, under the effect of stage clip 9, between the first compression spring sleeve 5 and drive plate 7, between drive plate 7 and flange 4, can produce frictional force, thereby can be with nutating disk 7 to rotate.As required, adjust retaining mechanism and can adjust the distance between the first compression spring sleeve 5 and the second compression spring sleeve 6, and then adjust the elastic force of stage clip 9, thereby cause that frictional force changes.
When motor load excessive; the moment that output shaft is subject to is greater than after this moment of friction; drive plate 7 and flange 4; and produce and slide between drive plate 7 and the first compression spring sleeve 5; the stalling torque of drive plate 7 cannot drive on output shaft 2; thereby avoid the generation of motor rotation blockage, effectively protected motor.
Claims (3)
1. electrical micro-machine blocking rotation mechanism, comprise motor body (1), it is characterized in that, on the output shaft (2) of described motor body (1), be fixedly installed axle sleeve (3), described axle sleeve (3) is provided with flange (4) near motor body one end, on described axle sleeve (3), be also provided with the first compression spring sleeve (5) and the second compression spring sleeve (6), between described the first compression spring sleeve (5) and flange (4), be provided with transmission mechanism, on described axle sleeve (3), be also provided with the retaining mechanism of controlling distance between the first compression spring sleeve (5) and the second compression spring sleeve (6), between described the first compression spring sleeve (5) and the second compression spring sleeve (6), be provided with stage clip (9).
2. electrical micro-machine blocking rotation according to claim 1 mechanism, it is characterized in that, described transmission mechanism is for being arranged on drive plate (7) between the first compression spring sleeve (5) and flange (4), described the first compression spring sleeve (5) and flange (4) respectively with two end contacts of drive plate (7).
3. electrical micro-machine blocking rotation according to claim 1 mechanism, it is characterized in that, described retaining mechanism comprises the baffle ring (8) being arranged on axle sleeve (3), adjacent the second compression spring sleeve of described baffle ring (8) (6), away from the end face of stage clip (9), is provided with trip bolt between described baffle ring (8) and axle sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314141.6U CN203896107U (en) | 2014-06-12 | 2014-06-12 | Micro-motor locked-rotor prevention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314141.6U CN203896107U (en) | 2014-06-12 | 2014-06-12 | Micro-motor locked-rotor prevention mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896107U true CN203896107U (en) | 2014-10-22 |
Family
ID=51722459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314141.6U Expired - Lifetime CN203896107U (en) | 2014-06-12 | 2014-06-12 | Micro-motor locked-rotor prevention mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183579A (en) * | 2018-02-07 | 2018-06-19 | 遵义市聚源建材有限公司 | A kind of anti-blocking rotary device for elevator |
-
2014
- 2014-06-12 CN CN201420314141.6U patent/CN203896107U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183579A (en) * | 2018-02-07 | 2018-06-19 | 遵义市聚源建材有限公司 | A kind of anti-blocking rotary device for elevator |
| CN108183579B (en) * | 2018-02-07 | 2023-11-21 | 遵义市聚源建材有限公司 | Anti-blocking device for elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |