CN211433434U - Pressure transmission device of electric toothbrush and pressure reminding device of electric toothbrush - Google Patents
Pressure transmission device of electric toothbrush and pressure reminding device of electric toothbrush Download PDFInfo
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- CN211433434U CN211433434U CN201921805314.3U CN201921805314U CN211433434U CN 211433434 U CN211433434 U CN 211433434U CN 201921805314 U CN201921805314 U CN 201921805314U CN 211433434 U CN211433434 U CN 211433434U
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- key switch
- pressing part
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- electric toothbrush
- pressure
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Abstract
The utility model discloses a pressure transmission device of an electric toothbrush, which comprises a mounting bracket, a key switch, a motor bracket and a touch structure, wherein the mounting bracket is provided with an inner cavity; the key switch is used for being electrically connected with the controller; the motor bracket is used for installing a power supply motor; the motor bracket is arranged in the inner cavity through the rotating shaft and can swing relative to the mounting bracket; the touch structure comprises a pressing part and an elastic reset part; the motor bracket and the pressing part are both made of hard materials; the motor bracket is fixedly connected with the key bracket and is linked with the pressing part to press the key switch or keep away from the key switch when swinging; when the pressing part presses the key switch, the key switch is conducted; when the pressing part is far away from the key switch, the key switch is disconnected; the elastic reset part is used for providing elastic stress for urging the pressing part to be away from the key switch. The utility model realizes the timely touch and conduction of the key switch, and improves the sensitivity; the utility model also discloses an electric toothbrush's pressure reminding device.
Description
Technical Field
The utility model relates to an electric toothbrush field especially relates to electric toothbrush's pressure transmission device and electric toothbrush's pressure reminding device.
Background
The electric toothbrush mainly makes the toothbrush head generate high-frequency vibration through the rapid rotation or vibration of the electric motor, instantly decomposes the toothpaste into fine foam, and deeply cleans teeth gaps. When the user is using electric toothbrush, because the brush head need paste tight tooth surface, when the user makes the strength compress tightly the toothbrush, too big pressure in addition brush hair high frequency sound wave vibration friction can cause the damage to the tooth, causes the problem of harmful to health such as gum bleeding and tooth wedge wearing and tearing. Therefore, there is a need for an electric toothbrush with a pressure warning function.
The pressure control device of the existing electric toothbrush comprises a touch switch 1 which has two states of connection and disconnection; the input end of the controller 2 is connected with the touch switch 1, and the output end of the controller is connected with a motor 8 of the electric toothbrush; when the touch switch 1 is in a conducting state, the controller 2 controls the motor 8 to reduce the rotating speed, and when the touch switch 1 is in a disconnecting state, the controller 2 controls the motor 8 to adjust to the original rotating speed; and the pressure transmission device 3 is arranged on the motor 8 and corresponds to the touch switch 1, and when the pressure transmitted to the pressure transmission device 3 by the brush head 7 of the electric toothbrush reaches a preset value, the pressure transmission device 3 touches the touch switch 1 to be conducted. The pressure control device of the existing electric toothbrush, when the user holds the electric toothbrush to clean the oral cavity, the user can force the brush head 7 of the electric toothbrush to press the teeth tightly, the pressure can be reversely transmitted to the pressure transmission device 3 through the electric toothbrush, the pressure transmission device 3 gradually moves towards the touch switch 1, when the pressure is large to the preset pressure, the pressure transmission device 3 can be contacted with the touch switch 1, the touch switch 1 is conducted, the controller 2 can receive an electric signal, the automatic control motor 8 reduces the rotating speed, and the damage of the brush hair to the teeth caused by high-frequency sound wave vibration friction is avoided. Simultaneously, the pressure transmission device 3 comprises an elastic rubber ring 6, and the elastic rubber ring 6 is sleeved at the tail end of the motor 8; the elastic rubber ring 6 is arranged corresponding to the contact point of the touch switch 1; the pressure of the electric toothbrush to teeth is transmitted through the elastic rubber ring 6, so that the touch switch 1 can be accurately controlled to be switched on when the pressure is overlarge, and can be automatically reset when the pressure is reduced, so that the touch switch 1 is restored to a switched-off state. From the above, the pressure reminding is realized by adopting the way of matching the pressure transmission device, the touch switch and the controller, however, in order to adapt to the situation that the pressure transmission device approaches to the touch switch along with the movement of the motor and realizes the automatic reset of the touch switch, the pressure transmission device adopts elastic rubber to realize the touch of the touch switch and conduct the touch switch, at the moment, when the toothbrush drives the elastic rubber to approach and press the touch switch, the elastic rubber ring can be deformed and can be thinned in the pulling process so as to increase the distance between the elastic rubber ring and the touch switch, or the elastic rubber is extruded and deformed by the touch switch when touching the touch switch, so that the time for touching the touch switch and conducting the touch switch by the elastic rubber is delayed, therefore, the pressing of the elastic rubber ring and the turning on of the touch switch are caused to have poor timeliness, i.e. poor sensitivity.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a pressure transmission device of an electric toothbrush, which realizes the timely triggering of a key switch and the conduction of the key switch by a rotating shaft, a motor bracket made of hard materials and the matching of a pressing part and an elastic resetting part, thereby improving the sensitivity.
The second and third objects of the present invention are to provide a pressure reminding device for an electric toothbrush to realize timely reminding of users.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a pressure transmission device for an electric toothbrush comprises
Mounting a bracket; the mounting bracket has an inner cavity;
a key switch; the key switch is arranged on the mounting bracket through the controller and is electrically connected with the controller;
a motor bracket; the motor bracket is used for installing a power supply motor; the motor bracket is arranged in the inner cavity through a rotating shaft and can swing relative to the mounting bracket; the motor bracket is made of hard materials;
a touch structure; the touch structure comprises a pressing part and an elastic reset part; the pressing part is made of a hard material; the motor bracket is fixedly connected with the pressing part and is linked with the pressing part to press the key switch or to be far away from the key switch during swinging; when the pressing part presses the key switch, the key switch is conducted; when the pressing part is far away from the key switch, the key switch is turned off; two ends of the elastic reset part are respectively fixed with the mounting bracket and the pressing part and are used for providing elastic stress for promoting the pressing part to be far away from the key switch.
Furthermore, the pressing part protrudes out of the pressing part and is used for pressing the key switch; the surface of the pressing part facing the key switch is a curved surface.
Furthermore, the rotating shaft and the motor bracket are integrally formed and movably inserted on the mounting bracket.
Furthermore, a damping cushion is arranged between the rotating shaft and the mounting bracket.
Further, the installing support includes two box bodys, two the box body can be dismantled to connect and enclose jointly and close to constitute the inner chamber.
Further, the two box bodies are connected through a connecting structure; the connecting structure comprises a protrusion arranged on one box body and a groove arranged on the other box body; the protrusion and the groove are inserted and tightly matched in a matching mode.
Further, the elastic reset part is made of hard materials; the pressing part and the elastic reset part are integrally formed.
Further, the pressing portion and the elastic reset portion are not integrally formed.
The second purpose of the utility model is realized by adopting the following technical scheme:
the pressure reminding device of the electric toothbrush comprises a controller, a motor and the pressure transmission device of the electric toothbrush; the body of the motor is arranged on the motor bracket; the controller is electrically connected with the key switch and controls the operation of the motor when the key switch is switched on.
The third purpose of the utility model is realized by adopting the following technical scheme:
the pressure reminding device of the electric toothbrush comprises a controller, a warning structure and the pressure transmission device of the electric toothbrush; the controller is electrically connected with the key switch and the warning structure respectively; the controller is used for controlling the warning structure to send out a warning signal when the key switch is switched on.
Furthermore, the warning structure is a warning lamp or a warning bell.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an adopt the pivot, elasticity resets the portion and adopts the motor support that hard material made and the cooperation of pressing the splenium, at this moment, elasticity resets the portion and realizes pressing the automatic re-setting of splenium, the swing setting of motor support is realized in the pivot, realize promptly pressing the splenium can be along with motor motion, thus, rotate the in-process along with the motor at the motor support, because the motor support with press the splenium to adopt hard material to make, can avoid the motor support to warp along with motor motion process or press the splenium by the possibility of key switch extrusion deformation, thereby improve and press splenium touch key switch and make its promptness that switches on.
Drawings
FIG. 1 is a sectional view of the pressure warning device of the electric toothbrush of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the split structure of the pressure reminding device of the electric toothbrush of the present invention.
In the figure: 10. mounting a bracket; 11. a box body; 12. an inner cavity; 20. a key switch; 30. a motor; 40. a pressing part; 41. a pressing part; 50. a rotating shaft; 60. an elastic reset portion; 70. a shock-absorbing cushion; 80. perforating; 90. a threaded hole; 100. a silica gel ring; 110. a brush head; 120. a motor bracket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The pressure transmission apparatus of the electric toothbrush shown in fig. 1-3 comprises a mounting bracket 10, a key switch 20, a motor bracket 120, and an actuating structure, wherein,
the mounting bracket 10 has an interior cavity 12;
the key switch 20 is installed on the mounting bracket 10 through a controller and is used for being electrically connected with the controller; the motor bracket 120 is used for installing the power supply motor 30; the motor bracket 120 is installed in the inner cavity 12 through a rotating shaft 50 and can swing relative to the installation bracket 10; the motor bracket 120 is made of hard material; it should be noted that the hard material may be plastic, metal, etc.;
the touch structure comprises a pressing part 40 and an elastic reset part 60; the pressing portion 40 is made of a hard material, and specifically, the hard material may be plastic, metal, or the like; the pressing part 40 is made of hard material; the motor bracket 120 is fixedly connected with the pressing part 40, and is linked with the pressing part 40 to press the key switch 20 or keep away from the key switch 20 when swinging; when the pressing part 40 presses the key switch 20, the key switch 20 is turned on; when the pressing part 40 is far away from the key switch 20, the key switch 20 is turned off; both ends of the elastic reset portion 60 are respectively fixed to the mounting bracket 10 and the pressing portion 40, and are used for providing elastic stress for urging the pressing portion 40 away from the key switch 20.
On the basis of the above structure, when the user uses the electric toothbrush, the brush head 110 is mounted on the output shaft of the motor 30, and the brush head 110 drives the motor bracket 120 to swing when being inclined under the action of external force; thus, the bristles of the brush head 110 contact the teeth, the user presses the brush head 110 of the electric toothbrush with force, the pressure is reversely transmitted to the brush head 110 to tilt the brush head 110, at this time, the force of the brush head 110 is transmitted to the motor holder 120 via the motor 30 and then transmitted to the pressing part 40, when the pressure reaches a certain degree (it should be noted here that the "degree" is not a fixed value, but an actual value can be set according to actual requirements, and further, the actual value can be adjusted by setting the distance between the pressing part 40 and the key switch 20 and the pulling force of the elastic reset part 60), the pressing part 40 will approach the key switch 20 and press the key switch 20 under the linkage of the motor holder 120 to realize the conduction of the key switch 20, and after the user pressure is adjusted, the pressing part 40 automatically resets under the action of the elastic reset part 60 to be away from the key switch 20, the key switch 20 is turned off.
In the above-mentioned structure, but through the wobbling setting of motor support 120, it can follow motor 30 to realize promptly pressing the portion 40 with motor support 120 rigid coupling and can move, and realize pressing the automatic re-setting of portion 40 through elasticity portion 60, so, compared with the prior art, motor support 120 and pressing the portion 40 need not to adopt elastic material to make, at this moment, motor support 120 and pressing the portion 40 that adopts hard material to make of deuterogamying, can avoid motor support 120 along with motor 30 motion process deformation or press the portion 40 to be extruded by key switch 20 and warp the possibility, thereby improve and press the portion 40 to touch key switch 20 and make its promptness that switches on.
Specifically, the elastic restoring portion 60 may be a spring, an elastic sheet, an elastic column, a metal sheet, etc., and it should be noted that, since the inclination angle of the brush head 110 is very small, if the elastic restoring portion 60 is a metal sheet, the metal sheet can adapt to the tiny deformation and can be restored after the pressure of the brush head 110 is removed; of course, the elastic restoring portion 60 may also be other components as long as the deformation and restoration can be realized.
It should be noted that the elastic restoring portion 60 is made of a hard material, and the elastic restoring portion 60 and the pressing portion 40 can be made of an integral molding process, wherein both are made of a polycarbonate material; alternatively, the elastic restoring portion 60 and the pressing portion 40 may be formed in a non-integral manner, that is, the elastic restoring portion 60 and the pressing portion 40 are processed separately and then fixed together by glue, by screwing, or the like, and when the elastic restoring portion 60 and the pressing portion 40 are made of hard material, they may be fixed together by ultrasonic bonding.
In order to improve the convenience of pressing, it is preferable that the pressing portion 40 protrudes with a pressing portion 41 for pressing the key switch 20, so that the pressing portion 40 can switch on and off the key switch 20 through slight movement, and the on-off state of the key switch 20 can be controlled more sensitively and accurately; more preferably, the surface of the pressing portion 41 facing the key switch 20 is a curved surface, so that the force applied to the key switch 20 changes gradually, thereby preventing damage to the key switch 20.
Specifically, the rotating shaft 50 is fixed on the motor support 120, is integrally formed with the motor support 120, and is movably inserted into the mounting support 10, it can be understood that the mounting support 10 is provided with a jack having a hole diameter larger than that of the rotating shaft 50, the rotating shaft 50 is inserted into the jack, and the end of the rotating shaft 50 is formed with a contact portion, the hole diameter of the jack is smaller than the size of the projection of the contact portion onto the jack, so that the rotating shaft 50 is prevented from being separated from the jack. It should be noted that the central axis of the rotating shaft 50 is perpendicular to the direction of the bristles of the brush head 110 when the brush head is not stressed, i.e. the central axis of the rotating shaft 50 is perpendicular to the stress direction of the brush head 110, so that the motor holder 120 can swing along with the brush head 110 when the brush head 110 is stressed when the motor holder 120 is fixed to the rotating shaft 50.
The present embodiment further provides a further embodiment, a shock absorbing pad 70 is disposed between the rotating shaft 50 and the mounting bracket 10, so that the motor 30 is mounted on the motor bracket 120, and when the vibration of the motor 30 is transmitted to the mounting bracket 10 through the motor bracket 120, the shock absorbing pad 70 weakens the strength of the vibration, thereby improving the comfort level of the user experience. The first damping software is preferably a silica gel gasket which is sleeved on the rotating shaft 50 and is positioned in the motor bracket 120; of course, the above-mentioned shock absorbing cushion 70 may also be a rubber cushion, a sponge, etc., as long as the shock absorbing effect is achieved.
In order to reduce the overall size and optimize the overall appearance, the motor bracket 120, the pressing part 40 and the elastic reset part 60 are all arranged in the inner cavity 12, so that the mounting bracket 10 comprises two box bodies 11 for maintenance, and the two box bodies 11 are detachably connected and jointly enclosed to form the inner cavity 12.
Specifically, the two cases 11 are connected by a connecting structure; the connecting structure comprises a bulge arranged on one box body 11 and a groove arranged on the other box body 11; the protrusions and the grooves are matched, inserted and in interference fit, so that the protrusions and the grooves can be disassembled and assembled through external force, and the two box bodies 11 can be disassembled and assembled.
More specifically, the pressure triggering device of the electric toothbrush further comprises a silicone ring 100 sleeved outside the two box bodies 11, so that the connection strength of the two box bodies 11 can be improved.
In order to further improve the stability of the two box bodies 11, the embodiment further provides: the pressure trigger device of the electric toothbrush also comprises bolts, wherein one box body 11 is provided with a through hole 80, and the other box body 11 is provided with a threaded hole 90; the shank of the bolt is threaded through the bore 80 and into the threaded bore 90.
As shown in fig. 1-3, the present embodiment discloses a pressure warning device for an electric toothbrush, comprising a controller and a pressure transmission device for an electric toothbrush as described above; the body of the motor 30 is mounted on the motor bracket 120; the controller is electrically connected with the key switch 20 and controls the operation of the motor 30 when the key switch 20 is turned on; thus, when the pressure reaches a certain level, the motor bracket 120 drives the pressing part 40 to trigger the key switch 20 and turn on the key switch, the key switch 20 generates a current signal to the controller, and then the controller controls the operation of the motor 30, for example, the operation of the motor 30 is stopped, the vibration frequency of the brush head 110 is changed by changing the motion frequency of the motor 30, so as to timely remind the user of the excessive pressure. Meanwhile, the motor 30 is controlled to reduce the vibration frequency in time, so that the damage to the teeth caused by the high-frequency sound wave vibration friction of the brush head 110 can be avoided.
The key switch 20 and the starting switch of the electric toothbrush are both arranged on the controller, so that the occupied space of an electric structure can be further reduced, and the stability of electric connection is improved. Specifically, the starting switch and the key switch 20 of the electric toothbrush are both touch switches, and the touch switches have the advantages of small contact resistance load, small operation error and the like.
As shown in fig. 1-3, this embodiment further discloses a pressure warning device for an electric toothbrush, which comprises a controller, a warning structure and a pressure transmission device for an electric toothbrush as described above; the controller is electrically connected with the key switch 20 and the warning structure respectively; the controller is used for controlling the warning structure to send out a warning signal when the key switch 20 is turned on.
Specifically, the warning structure is a warning lamp, so that when the key switch 20 is turned on, the controller controls the warning lamp to emit a light or flashing warning signal; of course, the warning structure may also be a warning bell, so that when the key switch 20 is turned on, the controller controls the warning bell to emit a sound warning signal.
Specifically, the indicator light can be arranged at the bottom inside the handle of the electric toothbrush, and at the moment, the handle of the electric toothbrush is formed by a shell with certain transparency, so that the flicker or color change of the indicator light can be transmitted to the outside; furthermore, by placing the indicator light at the bottom of the handle of the electric toothbrush, the flashing or color change can be more easily perceived by the user.
The controller can also control the warning structure to send out warning signals and control the operation of the motor 30, thereby playing a role of double warning.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (11)
1. Pressure transmission device of electric toothbrush, its characterized in that: comprises that
Mounting a bracket; the mounting bracket has an inner cavity;
a key switch; the key switch is arranged on the mounting bracket through the controller and is electrically connected with the controller;
a motor bracket; the motor bracket is used for installing a power supply motor; the motor bracket is arranged in the inner cavity through a rotating shaft and can swing relative to the mounting bracket; the motor bracket is made of hard materials;
a touch structure; the touch structure comprises a pressing part and an elastic reset part; the pressing part is made of a hard material; the motor bracket is fixedly connected with the pressing part and is linked with the pressing part to press the key switch or to be far away from the key switch during swinging; when the pressing part presses the key switch, the key switch is conducted; when the pressing part is far away from the key switch, the key switch is turned off; two ends of the elastic reset part are respectively fixed with the mounting bracket and the pressing part and are used for providing elastic stress for promoting the pressing part to be far away from the key switch.
2. The pressure transmission device of the power toothbrush according to claim 1, wherein: the pressing part is protruded with a pressing part used for pressing the key switch; the surface of the pressing part facing the key switch is a curved surface.
3. The pressure transmission device of the power toothbrush according to claim 1, wherein: the rotating shaft and the motor bracket are integrally formed and movably inserted on the mounting bracket.
4. The pressure transmission device of the power toothbrush according to claim 3, wherein: and a damping cushion is arranged between the rotating shaft and the mounting bracket.
5. The pressure transmission device of the power toothbrush according to claim 1, wherein: the installing support includes two box bodys, two the box body can be dismantled to connect and enclose jointly and close to constitute the inner chamber.
6. The pressure transmission device of the power toothbrush according to claim 5, wherein: the two box bodies are connected through a connecting structure; the connecting structure comprises a protrusion arranged on one box body and a groove arranged on the other box body; the protrusion and the groove are inserted and tightly matched in a matching mode.
7. The pressure transmission device of the power toothbrush according to claim 1, wherein: the elastic reset part is made of hard materials; the pressing part and the elastic reset part are integrally formed.
8. The pressure transmission device of the power toothbrush according to claim 1, wherein: the pressing portion and the elastic reset portion are not integrally formed.
9. Pressure reminding device of electric toothbrush, its characterized in that: a pressure transmitting device comprising a controller, a motor and an electric toothbrush according to any one of claims 1 to 8; the body of the motor is arranged on the motor bracket; the controller is electrically connected with the key switch and controls the operation of the motor when the key switch is switched on.
10. Pressure reminding device of electric toothbrush, its characterized in that: a pressure transmitting device comprising a controller, a warning structure and an electric toothbrush according to any one of claims 1 to 8; the controller is electrically connected with the key switch and the warning structure respectively; the controller is used for controlling the warning structure to send out a warning signal when the key switch is switched on.
11. The pressure warning device for an electric toothbrush of claim 10, wherein: the warning structure is a warning lamp or a warning bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805314.3U CN211433434U (en) | 2019-10-24 | 2019-10-24 | Pressure transmission device of electric toothbrush and pressure reminding device of electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805314.3U CN211433434U (en) | 2019-10-24 | 2019-10-24 | Pressure transmission device of electric toothbrush and pressure reminding device of electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211433434U true CN211433434U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921805314.3U Active CN211433434U (en) | 2019-10-24 | 2019-10-24 | Pressure transmission device of electric toothbrush and pressure reminding device of electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211433434U (en) |
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2019
- 2019-10-24 CN CN201921805314.3U patent/CN211433434U/en active Active
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Address after: 518111 building a, 18 Xinkang Road, Xinmu community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province (engaged in production and business activities in building a, 6 Xinmu Avenue, Xinmu community, Pinghu street, Longgang District, Shenzhen City) Patentee after: SHENZHEN RISUN TECHNOLOGY Co.,Ltd. Patentee after: Weimeizi Industrial (Guangdong) Co.,Ltd. Address before: 518111 building a, 18 Xinkang Road, Xinmu community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province (engaged in production and business activities in building a, 6 Xinmu Avenue, Xinmu community, Pinghu street, Longgang District, Shenzhen City) Patentee before: SHENZHEN RISUN TECHNOLOGY Co.,Ltd. Patentee before: GUANGZHOU WEIMEIZI INDUSTRIAL Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221008 Address after: 518000 101, building a, xinmusheng Low Carbon Industrial Park, No. 6 Xinmu Avenue, Xinmu community, Pinghu street, Longgang District, Shenzhen, Guangdong Province Patentee after: SHENZHEN RISUN TECHNOLOGY Co.,Ltd. Patentee after: Guangzhou Shuke Industrial Co.,Ltd. Address before: 518111 building a, 18 Xinkang Road, Xinmu community, Pinghu street, Longgang District, Shenzhen City, Guangdong Province (engaged in production and business activities in building a, 6 Xinmu Avenue, Xinmu community, Pinghu street, Longgang District, Shenzhen City) Patentee before: SHENZHEN RISUN TECHNOLOGY Co.,Ltd. Patentee before: Weimeizi Industrial (Guangdong) Co.,Ltd. |