CN210830408U - Motor and driving wheel mounting structure thereof - Google Patents
Motor and driving wheel mounting structure thereof Download PDFInfo
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- CN210830408U CN210830408U CN201921493577.5U CN201921493577U CN210830408U CN 210830408 U CN210830408 U CN 210830408U CN 201921493577 U CN201921493577 U CN 201921493577U CN 210830408 U CN210830408 U CN 210830408U
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- driving wheel
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- elastic piece
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- 230000005540 biological transmission Effects 0.000 abstract description 13
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an active wheel mounting structure, which comprises an active wheel, an elastic part and a swinging block, wherein the center of the active wheel is provided with a first through hole, the swinging block is rotatably arranged in the first through hole of the active wheel, and the swinging block is axially limited in the first through hole; the elastic piece is arranged between the driving wheel and the swinging block and gives the driving wheel and the swinging block a tendency of keeping relative static common movement. The drive swing block rotates, and the swing block rotates and acts on the elastic component for the action wheel, and the elastic component takes place deformation and applys certain revolving force to the swing block, and simultaneously, the elastic component makes the action wheel rotatory certain angle for action wheel and swing block move jointly, when being connected this action wheel with follow driving wheel transmission, elimination action wheel that can be fine and the transmission clearance from the driving wheel, make from the rotatory more steady of driving wheel.
Description
Technical Field
The utility model relates to a gear drive technical field, more specifically says, it relates to a motor and action wheel mounting structure thereof.
Background
The electric actuating mechanism mainly drives the driving wheel to transmit through the motor, and a certain gap is usually formed between the driving wheel and the driven wheel in transmission. However, when the motor is started or reversely rotated, impact is generated when a transmission gap between the driving wheel and the driven wheel is large, and noise is generated; when the driving wheel and the driven wheel are both gears, meshing gaps exist between the teeth of the driving wheel and the driven wheel, when the motor is started or reversely rotated, when the meshing gaps between the driving wheel and the driven wheel are large, impact is generated, noise is generated, and when the meshing gaps between the gears are small, the gear meshing is easy to cause the tooth meshing phenomenon, so that the tooth profile of the gears is damaged.
The patent document with the application number of 2009101047381 discloses a noise reduction gear combination, wherein a central sleeve is formed by extending outwards from the middle part of a driven gear, an auxiliary gear is sleeved on the central sleeve, an annular groove is formed in the end face of the driven gear, a positioning column is inserted into the end face of the auxiliary gear, the outer end of the positioning column is positioned in the annular groove, a limiting column is arranged on the driven gear, penetrates through the annular groove and extends into a limiting hole formed in the end face of the auxiliary gear, the diameter of the limiting hole is larger than that of the limiting column, the limiting column can move left and right in the limiting block, an annular leaf spring with an opening is arranged in the annular groove, and two ends of the annular leaf spring respectively abut against the positioning column and the limiting column; the same snap spring is arranged in a ring groove which is formed on the outer circumferential surface of the central sleeve and the inner circumferential surface of the auxiliary gear and is opposite to the inner circumferential surface of the auxiliary gear; the end face of the auxiliary gear, which faces the driven gear, is a step face with the periphery lower than the middle part, the annular groove faces the end face of the middle part of the auxiliary gear, and the periphery of the end face of the driven gear, which faces the auxiliary gear, is higher than the middle part and is matched with the step face of the auxiliary gear. The gear combination structure eliminates the clearance between the driving gear and the driven gear under the action of the annular leaf spring, reduces the noise, but the mechanism needs the matching of the auxiliary gear, and has complex structure and complex assembly.
Patent document CN103671831A discloses a double gear structure for eliminating backlash between a gear and a rack, in which two gears with the same modulus are combined together by a torsion spring to be meshed with the rack, one of the two gears with the same modulus is called a driving gear, the other is called a driven gear, two opposite end faces of the driving gear and the driven gear are provided with mounting holes, two ends of the torsion spring are respectively inserted into the two mounting holes, and when the driving gear and the driven gear are meshed with the rack, a reverse rotation force is generated between the driving gear and the driven gear. The structure can effectively eliminate the meshing clearance between the gear and the rack and eliminate idle stroke in gear and rack transmission. However, this double gear structure requires a high degree of fit between the gear and the driven gear to be driven, and requires a strict dimensional design of the teeth and the tooth grooves, and in addition, the mechanism involves a risk of mechanical gear seizure.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a motor and action wheel mounting structure thereof, its advantage lies in this action wheel mounting structure can eliminate the action wheel and follow the transmission clearance between the driving wheel when the motor starts or reverses, makes from the driving wheel rotation more steady, has reduced the production of noise.
In order to achieve the above purpose, the utility model provides a following technical scheme: a driving wheel mounting structure comprises a driving wheel, an elastic piece and a swinging block, wherein a first through hole is formed in the center of the driving wheel, the swinging block is rotatably arranged in the first through hole of the driving wheel, and the swinging block is axially limited in the first through hole; the elastic piece is arranged between the driving wheel and the swinging block and gives the driving wheel and the swinging block a tendency of keeping relative static common movement. Like this, the drive swing piece rotates, and the swing piece rotates and acts on the elastic component for the action wheel, and the elastic component takes place deformation and applys certain revolving force to the swing piece, and simultaneously, the elastic component makes the action wheel rotatory certain angle for action wheel and swing piece common motion, when being connected this action wheel with follow driving wheel transmission, elimination action wheel that can be fine and the transmission clearance from the driving wheel, make from the driving wheel rotation more steady.
Preferably, the elastic piece is an elastic piece, at least one side of the first through hole is provided with a first groove communicated with the first through hole, the first groove comprises two elastic piece buffer grooves and a supporting bulge arranged between the two elastic piece buffer grooves, the elastic piece is embedded into the first groove, two ends of one side, close to the swing block, of the elastic piece are respectively abutted to the inner side wall of the first groove, and the other side of the elastic piece is abutted to the supporting bulge. Like this, the drive is swung the piece and is rotated, and swing piece rotates for the action wheel and acts on the elastic component, and the flexure strip takes place to deform and applys certain revolving force to swing the piece, and simultaneously, the one end of flexure strip is close to the inside wall of first recess under the drive of swing piece, and at this moment, the support arch plays the effect of fulcrum, and the other end drive action wheel of flexure strip rotates certain angle, and then makes action wheel and swing piece move jointly.
Preferably, the first grooves communicated with the first through holes are formed in two opposite sides of the first through holes respectively, and the elastic pieces are embedded in the two first grooves. Therefore, the two sides of the swinging block are stressed more uniformly, and the driving wheel rotates more stably.
Preferably, the swing block further comprises a shaft sleeve, and the shaft sleeve is fixedly connected with the swing block.
Preferably, two arch-shaped grooves are formed in one side, opposite to the first groove, of the driving wheel, the arch-shaped grooves correspond to the supporting bulges one by one, the two arch-shaped grooves are communicated with the first through hole, and the two arch-shaped grooves and the first through hole form a shaft sleeve mounting hole together; one side that lies in first recess on the action wheel is equipped with the gland that is used for the spacing swing piece of axial, and the axle sleeve part stretches into in the axle sleeve mounting hole, is close to one side in arch-shaped groove on the action wheel, and the axle sleeve offsets with the support arch, is close to one side of first recess on the action wheel, and the gland offsets with the swing piece, and the combined action of gland and axle sleeve is spacing in first through-hole with the swing piece axial.
Preferably, the swing block is provided with second grooves on both sides of the position corresponding to the support protrusion. Therefore, the elastic sheet is deformed under the driving of the swinging block, the deformation of the elastic sheet is generated at the position close to the supporting bulge, and the two sides of the position corresponding to the supporting bulge on the swinging block are provided with the second grooves, namely, a space is reserved for the deformation of the elastic sheet.
Preferably, at least one end of the elastic piece is not in contact with the inner side wall of the elastic piece buffer groove. In this way, a certain distance is kept between the end part of the elastic piece and the inner side wall of the first groove, so as to prevent the elastic piece from being pressed along the length direction of the elastic piece.
Preferably, the elastic sheet is a single sheet or formed by stacking a plurality of sheets.
Preferably, the swinging block is fixedly connected with the gland or integrally formed with the gland; or the gland is fixedly connected with the driving wheel.
A motor comprises the driving wheel mounting structure, and an output shaft of the motor is fixedly connected with the swinging block.
To sum up, the utility model discloses following beneficial effect has:
1. the swinging block is driven to rotate, the swinging block rotates relative to the driving wheel and acts on the elastic piece, the elastic piece deforms and applies a certain rotating force to the swinging block, meanwhile, the elastic piece enables the driving wheel to rotate for a certain angle, so that the driving wheel and the swinging block move together, when the driving wheel is in transmission connection with the driven wheel, a transmission gap between the driving wheel and the driven wheel can be well eliminated, and the driven wheel can rotate more stably;
2. the first recess of first through-hole intercommunication is seted up respectively to the relative both sides of first through-hole on the action wheel, all imbeds the flexure strip in two first recesses, makes swing piece atress more even, further makes the rotatory more steady of action wheel.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an exploded view of example 1;
FIG. 3 is a schematic structural view of a driving wheel in embodiment 1;
FIG. 4 is a schematic view of the structure of embodiment 1 with the gland removed;
FIG. 5 is a schematic view showing the structure of embodiment 1 with the gland and the elastic piece removed;
FIG. 6 is a schematic structural diagram of another perspective of the driving wheel of embodiment 1;
FIG. 7 is a schematic view showing another structure in accordance with embodiment 1;
FIG. 8 is a schematic structural view of the fixed connection of the oscillating block and the shaft sleeve of embodiment 1;
fig. 9 is a schematic structural view of embodiment 2.
Reference numerals: 1. a driving wheel; 2. a swing block; 3. a first through hole; 5. an elastic sheet; 6. an elastic sheet buffer groove; 7. a support boss; 8. a shaft sleeve; 9. an arcuate slot; 10. a gland; 11. a second groove; 12. a large plate; 13. a large disk motor; 14. an annular internal tooth; 15. a shaft hole; 16. a protective shell.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 3 and 4, the elastic member is an elastic sheet 5, a first groove communicated with the first through hole 3 is formed in at least one side of the first through hole 3, the first groove comprises two elastic sheet buffer grooves 6 and a supporting protrusion 7 arranged between the two elastic sheet buffer grooves 6, the supporting protrusion 7 is formed by extending the inner side wall of the first groove to the direction of the swing block 2, the elastic sheet buffer grooves 6 are in a right triangle shape, the elastic sheet 5 is embedded into the first groove, two ends of one side of the elastic sheet 5, which are close to the swing block 2, are respectively abutted against the inner side wall of the first groove, and the other side of the elastic sheet 5 is abutted against the supporting protrusion 7. Like this, the drive is swung the piece 2 and is rotated, and swing piece 2 rotates and is acted on flexure strip 5 for action wheel 1, and flexure strip 5 takes place to be out of shape and applys certain revolving force to swing piece 2, and simultaneously, the one end of flexure strip 5 is close to the inside wall of first recess under swing piece 2's drive, and at this moment, support arch 7 plays the effect of fulcrum, and the other end drive action wheel 1 of flexure strip 5 is rotatory certain angle, and then makes action wheel 1 and swing piece 2 move jointly.
As preferred, first recess with first through-hole 3 intercommunication is seted up respectively to the relative both sides of first through-hole 3, and two first recesses are all inlayed and are had flexure strip 5. Therefore, the two sides of the swinging block 2 are stressed more uniformly, and the driving wheel 1 rotates more stably. When the number of the first grooves is more than three, the plurality of first grooves are circumferentially distributed along the first through hole 3.
As shown in fig. 2, 6 and 7, the driving wheel mounting mechanism further comprises a shaft sleeve 8, and the shaft sleeve 8 is fixedly connected with the swinging block 2. Two arch-shaped grooves 9 are formed in one side, opposite to the first groove, of the driving wheel 1, the arch-shaped grooves 9 correspond to the supporting protrusions 7 one by one, the two arch-shaped grooves 9 are communicated with the first through hole 3, and the two arch-shaped grooves 9 and the first through hole 3 jointly form a shaft sleeve mounting hole; one side that lies in first recess on action wheel 1 is equipped with the gland 10 that is used for the spacing swing piece 2 of axial, and 8 parts of axle sleeve stretch into the axle sleeve mounting hole, are close to one side of arch-shaped groove 9 on action wheel 1, and axle sleeve 8 offsets with supporting bulge 7, is close to one side of first recess on action wheel 1, and gland 10 offsets with swing piece 2, and gland 10 and axle sleeve 8's combined action will swing 2 axial spacing in first through-holes 3 of piece.
The connection mode of the swing block 2, the shaft sleeve 8 and the gland 10 is not particularly limited as long as the swing block 2 and the shaft sleeve 8 can synchronously rotate and the swing block 2 is axially limited in the first through hole 3. After the swing block 2 is installed in the first through hole 3, the shaft sleeve 8 is fixedly connected with the swing block 2, or as shown in fig. 8, the swing block 2 and the shaft sleeve 8 are integrally formed, and the integrally formed swing block 2 and the shaft sleeve 8 are convenient to process and install. Meanwhile, the shaft sleeve 8 is abutted against the supporting bulge 7; the gland 10 is fixedly connected with the swinging block 2 or integrally formed; or the gland 10 is fixedly connected with the driving wheel 1; the shaft sleeve 8 and the gland 10 act together to axially limit the swing block 2 in the first through hole 3. In the embodiment where the oscillating block 2 is axially retained in the first through hole 3 of the driving wheel 1, two pressing covers 10 may be provided on both sides of the driving wheel 1, and the two pressing covers 10 axially retain the oscillating block 2 in the first through hole 3 of the driving wheel 2.
Preferably, as shown in fig. 4 and 5, a portion of the swing block 2 contacting the inner sidewall of the first through hole 3 is an arc-shaped structure, and both sides of the portion of the swing block 2 corresponding to the support protrusion 7 are provided with second grooves 11. Therefore, the elastic piece 5 is driven by the swinging block 2 to deform, the deformation of the elastic piece occurs at a position close to the supporting bulge 7, and the two sides of the position, corresponding to the supporting bulge 7, on the swinging block 2 are provided with the second grooves 11, namely, a space is reserved for the elastic piece 5 to deform.
Preferably, as shown in fig. 4, at least one end of the elastic piece 5 is not in contact with the inner sidewall of the first groove. In this way, a certain distance is maintained between the end of the elastic piece 5 and the inner side wall of the first groove for avoiding the elastic piece 5 from being pressed in the length direction of the elastic piece 5.
In addition, the elastic sheet 5 is a single sheet or formed by stacking a plurality of sheets.
A motor comprises the driving wheel mounting structure, and an output shaft of the motor is fixedly connected with a swinging block 2.
As shown in fig. 1, 2 and 9, the driving wheel mounting structure includes a driving wheel 1, an elastic member, a swinging block 2 and a shaft sleeve 8 fixedly connected with the swinging block 2, wherein the driving wheel 1 is a gear, and the driving wheel 1 of the driving wheel mounting structure is in meshing transmission connection with the annular internal teeth 14 of the large disc 12. The shaft hole 15 is opened at the center of axle sleeve 8, and the output shaft of deep bid motor 13 inserts in the shaft hole 15 and with shaft hole 15 fixed connection, and deep bid motor 13 rotates the output shaft that drives deep bid motor 13 and rotates, and the output shaft of deep bid motor 13 drives axle sleeve 8 and rotates.
As shown in fig. 1, 2 and 9, a first through hole 3 is formed in the center of the driving wheel 1, the swinging block 2 is rotatably disposed in the first through hole 3 of the driving wheel 1, and the swinging block 2 is axially limited in the first through hole 3; the elastic piece is arranged between the driving wheel 1 and the swinging block 2 and gives the tendency that the driving wheel 1 and the swinging block 2 keep relative stationary and move together, and when the driving wheel 1 and the swinging block 2 generate relative rotation, the elastic piece urges the driving wheel 1 and the swinging block to return to the state of relative stationary and moving together. Thus, the output shaft of the large disc motor 13 rotates to drive the shaft sleeve 8 to rotate, the shaft sleeve 8 drives the swinging block 2 to rotate, the swinging block 2 rotates relative to the driving wheel 1 and acts on the elastic piece, the elastic piece deforms and applies a certain rotating force to the large disc motor 13, before the shaft sleeve 8 is meshed with the driving wheel 1, the elastic piece enables the driving wheel 1 to rotate for a certain angle, so that the driving wheel 1 and the swinging block 2 move together, the meshing gap between the driving wheel 1 and the annular inner teeth 14 of the large disc 12 is eliminated, and the large disc 12 is started to rotate more stably and has smaller sound; in addition, the large disk driving mechanism is simple in structure and convenient to install.
As shown in fig. 3 and 4, the elastic member is an elastic sheet 5, at least one side of the first through hole 3 is provided with a first groove communicated with the first through hole 3, the first groove comprises two elastic sheet buffer grooves 6 and a supporting bulge 7 arranged between the two elastic sheet buffer grooves 6, the elastic sheet buffer grooves 6 are in a right-angled triangle shape, the supporting bulge 7 is formed by extending the inner side wall of the first groove to the direction of the swing block 2, the elastic sheet 5 is embedded into the first groove, two ends of one side of the elastic sheet 5, which are close to the swing block 2, are respectively abutted against the inner side wall of the first groove, and the other side of the elastic sheet 5 is abutted against the supporting bulge 7. Like this, the output shaft of deep bid motor 13 rotates and drives axle sleeve 8 and rotate, axle sleeve 8 drives swing piece 2 and rotates, swing piece 2 rotates and acts on flexure strip 5 for action wheel 1, flexure strip 5 takes place to deform and applys certain revolving force to deep bid motor 13, and simultaneously, the one end of flexure strip 5 is close to the inside wall of first recess under the drive of swing piece 2, this moment, support protrusion 7 plays the effect of fulcrum, the other end drive action wheel 1 of flexure strip 5 rotates certain angle, and then make action wheel 1 and swing piece 2 move jointly.
In addition, a protective shell 16 is mounted on the drive wheel mounting structure.
A mahjong machine comprises the large disk driving mechanism of the mahjong machine.
The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A driving wheel mounting structure is characterized by comprising a driving wheel (1), an elastic piece and a swinging block (2), wherein a first through hole (3) is formed in the center of the driving wheel (1), the swinging block (2) is rotatably arranged in the first through hole (3) of the driving wheel (1), and the swinging block (2) is axially limited in the first through hole (3); the elastic piece is arranged between the driving wheel (1) and the swinging block (2) and gives the tendency of keeping relative static common motion to the driving wheel (1) and the swinging block (2), and when the driving wheel (1) and the swinging block (2) rotate relatively, the elastic piece urges the driving wheel (1) and the swinging block (2) to return and restore the relative static common motion state.
2. The drive wheel mounting structure according to claim 1, wherein: the elastic piece is elastic piece (5), the first recess that communicates with first through-hole (3) is seted up to at least one side of first through-hole (3), and first recess includes two elastic piece dashpots (6) and sets up support arch (7) between two elastic piece dashpots (6), elastic piece (5) embedding in the first recess, the both ends that are close to swing piece (2) one side on elastic piece (5) offset with the inside wall of first recess respectively, and the opposite side and the support arch (7) of elastic piece (5) offset.
3. The drive wheel mounting structure according to claim 2, wherein: the relative both sides of first through-hole (3) are seted up respectively with first through-hole (3) intercommunication first recess, two it all is embedded to be in the first recess the flexure strip (5).
4. The drive wheel mounting structure according to claim 2, wherein: the swing block is characterized by further comprising a shaft sleeve (8), wherein the shaft sleeve (8) is fixedly connected with the swing block (2).
5. The drive wheel mounting structure according to claim 4, wherein: two arch-shaped grooves (9) are formed in one side, opposite to the first groove, of the driving wheel (1), the arch-shaped grooves (9) correspond to the supporting protrusions (7) one by one, the two arch-shaped grooves (9) are communicated with the first through hole (3), and the two arch-shaped grooves (9) and the first through hole (3) form a shaft sleeve mounting hole together; one side that lies in first recess on action wheel (1) is equipped with gland (10) that is used for the spacing swing piece of axial (2), axle sleeve (8) part stretches into in the axle sleeve mounting hole, be close to one side of archway groove (9) on action wheel (1), axle sleeve (8) offset with support arch (7), be close to one side of first recess on action wheel (1), gland (10) offset with swing piece (2), the combined action of gland (10) and axle sleeve (8) will swing piece (2) axial spacing in first through-hole (3).
6. The drive wheel mounting structure according to claim 2, wherein: and second grooves (11) are formed in the two sides of the position, corresponding to the supporting bulge (7), of the swinging block (2).
7. The drive wheel mounting structure according to claim 2, wherein: at least one end of the elastic piece (5) is not contacted with the inner side wall of the elastic piece buffer groove (6).
8. The drive wheel mounting structure according to claim 2, wherein: the elastic piece (5) is a single piece or formed by overlapping a plurality of pieces.
9. The drive wheel mounting structure of claim 5, wherein: the swinging block (2) is fixedly connected with the gland (10) or integrally formed; or the gland (10) is fixedly connected with the driving wheel (1).
10. An electric machine, characterized by: the driving wheel mounting structure comprises a driving wheel mounting structure according to any one of claims 1-9, and an output shaft of a motor is fixedly connected with the swinging block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493577.5U CN210830408U (en) | 2019-09-09 | 2019-09-09 | Motor and driving wheel mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921493577.5U CN210830408U (en) | 2019-09-09 | 2019-09-09 | Motor and driving wheel mounting structure thereof |
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| CN210830408U true CN210830408U (en) | 2020-06-23 |
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| CN201921493577.5U Active CN210830408U (en) | 2019-09-09 | 2019-09-09 | Motor and driving wheel mounting structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513470A (en) * | 2019-09-09 | 2019-11-29 | 浙江宣和电器有限公司 | A kind of motor and its active wheel mounting structure |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513470A (en) * | 2019-09-09 | 2019-11-29 | 浙江宣和电器有限公司 | A kind of motor and its active wheel mounting structure |
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Effective date of registration: 20210429 Address after: 311223 1st floor, building 3, 888 Shenda Road, Jingjiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Chaosheng Electromechanical Technology Co.,Ltd. Address before: 311223 No. 888 Shenda Road, Jingjiang Street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XUANHE ELECTRICAL Co.,Ltd. |
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Address after: 311223 1st floor, building 3, 888 Shenda Road, Jingjiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xuanhe Electromechanical Technology Co.,Ltd. Country or region after: China Address before: 311223 1st floor, building 3, 888 Shenda Road, Jingjiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Chaosheng Electromechanical Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |