CN110772071A - Intelligent bed moving and lifting device - Google Patents
Intelligent bed moving and lifting device Download PDFInfo
- Publication number
- CN110772071A CN110772071A CN201910909498.6A CN201910909498A CN110772071A CN 110772071 A CN110772071 A CN 110772071A CN 201910909498 A CN201910909498 A CN 201910909498A CN 110772071 A CN110772071 A CN 110772071A
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- supporting
- bed
- guide rail
- rods
- transmission shaft
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
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Abstract
The invention relates to an intelligent bed moving and lifting device, which comprises a moving and lifting mechanism arranged at the middle position of a bed body and a bed board and two guide supporting mechanisms arranged at the two sides of the bed body and the bed board, the movable lifting mechanism comprises two support rods vertically and fixedly connected with two ends of the middle of the bed board and a support guide rail fixedly connected with the middle of the bed body, two ends of the supporting guide rail are respectively fixedly connected with a driving shaft supporting plate, a transmission shaft is rotatably arranged above the driving shaft supporting plate, two corresponding positioning rods are respectively and obliquely hinged at two sides of the two supporting rods, one ends of the positioning rods, which are not hinged to the supporting rods, are respectively and downwardly hinged with corresponding movable supporting blocks, the upper parts of the movable supporting blocks are movably arranged on corresponding driving threads of the transmission shaft respectively in a threaded connection mode, and the bottoms of the movable supporting blocks are movably arranged on the supporting guide rails respectively through corresponding guide grooves. The invention can improve the stress effect and ensure the smooth operation.
Description
Technical Field
The invention relates to the technical field of intelligent bed production, in particular to a mobile lifting device for an intelligent bed.
Background
With the continuous development of society, the use of intelligent furniture is more and more extensive, and intelligent bed is one of them. The function of intelligence bed is diversified, and the height movable lift adjustment of bed board just is one of its most basic function. The existing bed board moving and lifting control device for the intelligent bed generally comprises a driving motor and a driving screw, and the driving screw with two sections of threads with opposite rotation directions effectively drives a corresponding moving supporting block to move back and forth, so that the angle of a supporting rod hinged between the moving supporting block and the bed board is controlled to change, and the height position of the bed board is further controlled to move and lift. Such a bed board removes lift control device has a very big problem just, and the support atress of bed board mainly relies on drive screw to provide, and along with the extension of live time, drive screw long-term atress accumulation can make it produce the deformation, and in case its deflection reaches certain degree, will lead to its subsequent operation process to be obstructed, and even whole mechanism produces the dead condition of card and appears, forms the trouble, will make intelligent bed lose the function of bed board height control, and has the potential safety hazard. The existing intelligent bed moving and lifting control device also has the problem that the lubrication maintenance of the driving screw is difficult to carry out at regular time, and the mechanical damage is easily caused to the thread of the driving screw, so that the driving screw is not smooth in operation. Therefore, the intelligent bed moving lifting device is designed to effectively transfer the stress of the transmission screw to the bed body, so that the stress effect is effectively improved, the deformation of the driving screw is prevented, the service life is prolonged, the driving screw can be actively lubricated and maintained in the operation process of the driving screw, the mechanical damage of the driving screw is effectively prevented, and the smooth operation is ensured.
Disclosure of Invention
In view of the problems in the prior art, the invention provides an intelligent bed moving and lifting device, which can effectively solve the technical problems in the prior art.
The technical scheme of the invention is as follows:
an intelligent bed moving and lifting device comprises a moving and lifting mechanism arranged at the middle position of a bed body and a bed board and two guide supporting mechanisms arranged at the two sides of the bed body and the bed board, wherein the moving and lifting mechanism comprises two supporting rods vertically and fixedly connected to the two ends of the middle of the bed board and a supporting guide rail fixedly connected to the middle position of the bed body, the two ends of the supporting guide rail are respectively and fixedly connected with a corresponding driving shaft supporting plate, a corresponding driving shaft is rotatably arranged above the supporting guide rail by the driving shaft supporting plate, a group of two sections of corresponding driving threads are respectively arranged at the two ends of the driving shaft, and the rotating directions of the group of two sections of driving threads are; two corresponding positioning rods are respectively and obliquely hinged outwards on the two sides of the two supporting rods at positions corresponding to a group of two sections of driving threads at the two ends of the transmission shaft, one ends, which are not hinged to the supporting rods, of the positioning rods are respectively and downwardly hinged with corresponding movable supporting blocks, the upper parts of the movable supporting blocks are respectively movably mounted on the corresponding driving threads of the transmission shaft in a threaded connection mode, and the bottoms of the movable supporting blocks are respectively and movably mounted on the supporting guide rails through corresponding guide grooves and the supporting guide rails in a matched mode; the transmission shaft is driven by a positive and negative rotation brake motor which is fixedly arranged on the lathe bed.
One side of the movable supporting block is fixedly connected with a corresponding lubricating oil containing groove, a corresponding rotating shaft is rotatably arranged above the lubricating oil containing groove, a corresponding cylindrical sponge layer is fixedly sleeved on the rotating shaft, and the top of the cylindrical sponge layer is positioned below the transmission shaft in an extrusion state.
The guide supporting mechanism comprises a first fixed guide rail positioned on the lathe bed and a second fixed guide rail positioned on the side edge of the bed board, corresponding positioning slide blocks are respectively and fixedly installed at two ends of the first fixed guide rail, corresponding positioning slide blocks are respectively and movably installed at two ends of the second fixed guide rail, two corresponding limiting rods are connected between the first fixed guide rail and the second fixed guide rail in a crossed mode, and two ends of the two limiting rods are respectively turned inwards and are installed on the corresponding positioning slide blocks through corresponding bearings in a rotating mode.
Two corresponding limit switches are arranged on two sides of one movable supporting block in the supporting guide rail, trigger points of the two limit switches are arranged facing the movable supporting block respectively, and the two limit switches and the forward and reverse rotation brake motor are connected to corresponding electric controllers respectively.
The positioning rods are all arranged into arc shapes which are bent downwards.
The invention has the advantages that:
the invention changes the original support rod hinged between the movable support block and the bed board into the support rod vertically and fixedly connected to the bed board and the two positioning rods hinged between the support rod and the movable support block, and realizes the height adjustment of the support rod through the angle adjustment of the two positioning rods, thereby realizing the height adjustment of the bed board. Support through two locating levers, effectively with atress homodisperse, improve the atress effect, guarantee simultaneously to the holding power of bed board be vertical support all the time, improve the stability of being connected of bracing piece and bed board.
The invention adds the supporting guide rail on the basis of the original driving screw, improves the structure of the movable supporting block, and arranges the guide groove matched with the supporting guide rail at the bottom of the movable supporting block, and the movable supporting block can effectively realize position change along with the driving of the screw, thereby adjusting the height of the bed board and not influencing the movement of the movable supporting block. And the supporting force to the bed plate is mainly provided from the transmission shaft and is changed into the supporting guide rail, so that the whole stress is transferred to the bed body for installing the guide rail, the stress effect is effectively improved, the transmission shaft is prevented from generating excessive deformation, and the service life is effectively prolonged.
The invention adds a lubricating oil containing groove on the basis of the original movable supporting block, a corresponding rotating shaft is respectively rotatably arranged above the lubricating oil containing groove, a corresponding cylindrical sponge layer is respectively fixedly sleeved on the rotating shaft, and the top of the cylindrical sponge layer is positioned below the transmission shaft in an extrusion state. The transmission shaft can drive the cylindrical sponge layer to rotate along with the transmission shaft, so long as lubricating oil with corresponding amount is added in the lubricating oil placing groove, the lubricating oil can be smoothly smeared on the driving thread of the transmission shaft through the rotating cylindrical sponge layer, the driving thread of the transmission shaft is actively lubricated and maintained in the operation process of the transmission shaft, the driving thread of the transmission shaft is effectively prevented from generating mechanical damage, and smooth operation is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent bed moving and lifting device in an embodiment of the invention.
Fig. 2 is a sectional view of the intelligent bed moving and lifting device in the embodiment of the invention.
Fig. 3 is a schematic view of a connection structure of a lubricating oil containing groove, a rotating shaft and a cylindrical sponge layer in the intelligent bed moving and lifting device in the embodiment of the invention.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1 to 3, an embodiment of the present invention provides an intelligent bed moving and lifting device, including a moving and lifting mechanism 3 disposed at a middle position between a bed body 1 and a bed plate 2, and two guiding and supporting mechanisms 4 disposed at two sides of the bed body 1 and the bed plate 2, where the moving and lifting mechanism 3 includes two supporting rods 301 vertically fixed at two ends of the middle of the bed plate 2, and a supporting guide rail 302 fixed at the middle position of the bed body 1, two ends of the supporting guide rail 302 are respectively fixed with a corresponding driving shaft supporting plate 303, the driving shaft supporting plate 303 is rotatably mounted with a corresponding transmission shaft 304 above the supporting guide rail 302, two ends of the transmission shaft 304 are respectively provided with a set of two corresponding driving threads 5, and the rotation directions of the set of two driving threads 5 are opposite; two corresponding positioning rods 305 are respectively and obliquely hinged to two sides of the two support rods 301 outwards at positions corresponding to a group of two sections of driving threads 5 at two ends of the transmission shaft 304, one ends, which are not hinged to the support rods 301, of the positioning rods 305 are respectively and downwards hinged to corresponding movable supporting blocks 306, the upper parts of the movable supporting blocks 306 are respectively movably mounted on the corresponding driving threads of the transmission shaft 304 in a threaded connection mode, and the bottoms of the movable supporting blocks 306 are respectively and movably mounted on the support guide rails 302 through corresponding guide grooves in a matched manner with the support guide rails 302; the transmission shaft 304 is driven by a forward and reverse rotation brake motor 307 fixed to the bed 1 (the forward and reverse rotation brake motor used in this embodiment is directly purchased from a professional motor manufacturer).
Defining one group of two sections of driving threads 5 as a first driving thread group, wherein the first driving thread group sequentially comprises a first thread and a second thread from left to right; another two-section driving screw 5 is defined as a second driving screw group, and the second driving screw group sequentially includes a third screw and a fourth screw from left to right.
The pitch and the thread direction of the first thread and the second thread may be the same as or different from the pitch and the thread direction of the third thread and the fourth thread, respectively.
In this embodiment, the pitch and the thread direction of the first thread and the second thread are respectively the same as the pitch and the thread direction of the third thread and the fourth thread. When the movement and lifting control of the bed plate 2 is performed, the forward and reverse rotation brake motor 307 is started to rotate forward, so that the transmission shaft 304 is driven to rotate forward, the angle between the two positioning rods 305 on the same supporting rod 301 is increased, the height of the supporting rod 301 is reduced, and the height of the bed plate 2 is reduced. Conversely, the forward and reverse rotation brake motor 307 is started to rotate reversely, so that the transmission shaft 304 is driven to rotate reversely, and the angle between the two positioning rods 305 on the same supporting rod 301 is reduced, so that the height of the supporting rod 301 is increased, namely the height of the bed plate 2 is increased. Therefore, the bed board 2 can be driven by a forward and reverse rotation brake motor, and the bed board 2 is arranged on the same upper side and the same lower side.
In one embodiment, the thread directions of the first thread and the second thread are opposite to the thread directions of the third thread and the fourth thread, respectively, and the thread pitches of the first thread, the second thread, the third thread and the fourth thread are the same. When the movement and lifting control of the bed plate 2 is performed, the forward and reverse rotation brake motor 307 is started to rotate forward to drive the transmission shaft 304 to rotate forward, so that the angle between the two positioning rods 305 on the supporting rods 301 close to the first driving thread group is increased, and the height of the supporting rods 301 close to the first driving thread group is reduced; simultaneously, the angle between two positioning rods 305 on the supporting rod 301 close to the second driving thread group is reduced, so that the height of the supporting rod 301 close to the first driving thread group is increased, namely the bed plate 2 is inclined. On the contrary, the braking motor 307 which is started to rotate forward and backward drives the transmission shaft 304 to rotate backward, so that the angle between two positioning rods 305 on the supporting rod 301 which is close to the first driving thread group is reduced, the height of the supporting rod 301 which is close to the first driving thread group is improved, the angle between two positioning rods 305 on the supporting rod 301 which is close to the second driving thread group is increased, the height of the supporting rod 301 which is close to the second driving thread group is reduced, and the bed board 2 inclines. Therefore, the bed board 2 is inclined under the driving of a forward and reverse rotation brake motor of the bed board 2.
In another embodiment, the screw directions of the first screw thread and the second screw thread are opposite to the screw directions of the third screw thread and the fourth screw thread, respectively, and the screw pitches of the first screw thread and the second screw thread decrease sequentially, and the screw pitches of the fourth screw thread and the third screw thread decrease sequentially. When the movement and lifting control of the bed plate 2 is performed, the forward and reverse rotation brake motor 307 is started to rotate forward to drive the transmission shaft 304 to rotate forward, so that the angle between the two positioning rods 305 on the supporting rods 301 close to the first driving thread group is increased, and the height of the supporting rods 301 close to the first driving thread group is reduced; simultaneously, the angle between two positioning rods 305 on the supporting rod 301 close to the second driving thread group is reduced, so that the height of the supporting rod 301 close to the first driving thread group is increased, namely the bed plate 2 is inclined. The screw directions of the first screw thread and the second screw thread are respectively opposite to the screw directions of the third screw thread and the fourth screw thread, so that one end of the bed plate 2 can ascend, one end of the bed plate descends and rapidly inclines. In addition, in the process of inclining the bed plate 2, because the thread pitches of the first thread and the second thread are sequentially decreased progressively and the thread pitches of the fourth thread and the third thread are sequentially decreased progressively, the stroke of the movable supporting block 306 connected with the first thread and the second thread is correspondingly decreased progressively, and the positioning rod 305 can be uniformly stressed. The thread pitches of the first thread, the second thread, the third thread and the fourth thread can be calculated according to actual requirements.
One side of the movable supporting block 306 is fixedly connected with a corresponding lubricating oil containing groove 6, a corresponding rotating shaft 7 is rotatably mounted above the lubricating oil containing groove 6, a corresponding cylindrical sponge layer 8 is fixedly sleeved on the rotating shaft 7, and the top of the cylindrical sponge layer 8 is positioned below the transmission shaft 304 in an extrusion state.
The guide support mechanism 4 comprises a first fixed guide rail 401 positioned on the bed body 1 and a second fixed guide rail 404 positioned on the side edge of the bed plate 2, corresponding positioning sliders 402 are respectively and fixedly installed at two ends of the first fixed guide rail 401, the corresponding positioning sliders 402 are respectively and movably installed at two ends of the second fixed guide rail 404, two corresponding limiting rods 403 are connected between the first fixed guide rail 401 and the second fixed guide rail 404 in a crossed manner, and two ends of the two limiting rods 403 are respectively turned inwards and are rotatably installed on the corresponding positioning sliders 402 through corresponding bearings.
Two corresponding limit switches 9 are arranged on two sides of one movable supporting block 306 in the supporting guide rail 302, trigger points of the two limit switches 9 are respectively arranged facing the movable supporting block 306, and the two limit switches 9 and the forward and reverse rotation brake motor 307 are respectively connected to corresponding electric controllers (not shown). Through the setting of limit switch 9, the stroke of effective control location slider 402 limits the displacement distance, prevents to remove supporting shoe 306 and breaks away from corresponding drive screw thread 5. The positioning rods 305 are each arranged in an arc shape that is curved downward.
When the invention controls the movement and lifting of the bed plate 2, the forward and reverse rotation brake motor 307 is started to rotate forward to drive the transmission shaft 304 to rotate forward, so that the angle between two positioning rods 305 on the same supporting rod 301 is increased, and the height of the supporting rod 301 is reduced, namely the height of the bed plate 2 is reduced. Conversely, the forward and reverse rotation brake motor 307 is started to rotate reversely, so that the transmission shaft 304 is driven to rotate reversely, and the angle between the two positioning rods 305 on the same supporting rod 301 is reduced, so that the height of the supporting rod 301 is increased, namely the height of the bed plate 2 is increased. The perpendicular installation is realized with bed board 2 to bracing piece 301, has improved the stability of being connected of bracing piece 301 with bed board 2, and a bracing piece 301 supports through two locating levers 305, effectively with atress homodisperse, has improved the atress effect. The invention can also effectively change the supporting force for the bed plate 2 from the main supporting force provided by the transmission shaft 304 to the supporting force provided by the supporting guide rail 302, thereby further effectively improving the stress effect and preventing the transmission shaft 304 from generating excessive deformation. The lubricating oil containing groove 6 is added with a corresponding amount of lubricating oil 10, the transmission shaft 304 can drive the cylindrical sponge layer 8 to rotate along with the transmission shaft, so that the lubricating oil is smoothly smeared on the driving threads of the transmission shaft 304 through the rotating cylindrical sponge layer 8, the driving threads of the transmission shaft 304 are actively lubricated and maintained in the operation process of the transmission shaft 304, the driving threads of the transmission shaft 304 are effectively prevented from being mechanically damaged, and smooth operation is ensured.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (5)
1. The utility model provides an intelligence bed removes elevating gear, is including setting up the removal elevating system on lathe bed and bed board intermediate position and setting up in two direction supporting mechanism of lathe bed and bed board both sides, its characterized in that: the movable lifting mechanism comprises two support rods vertically and fixedly connected to two ends of the middle of the bed plate and a support guide rail fixedly connected to the middle of the bed body, two ends of the support guide rail are respectively and fixedly connected with corresponding drive shaft support plates, a corresponding drive shaft is rotatably installed above the support guide rail by the drive shaft support plates, two ends of the drive shaft are respectively provided with a group of two sections of corresponding drive threads, and the rotation directions of the group of two sections of drive threads are opposite; two corresponding positioning rods are respectively and obliquely hinged outwards on the two sides of the two supporting rods at positions corresponding to a group of two sections of driving threads at the two ends of the transmission shaft, one ends, which are not hinged to the supporting rods, of the positioning rods are respectively and downwardly hinged with corresponding movable supporting blocks, the upper parts of the movable supporting blocks are respectively movably mounted on the corresponding driving threads of the transmission shaft in a threaded connection mode, and the bottoms of the movable supporting blocks are respectively and movably mounted on the supporting guide rails through corresponding guide grooves and the supporting guide rails in a matched mode; the transmission shaft is driven by a positive and negative rotation brake motor which is fixedly arranged on the lathe bed.
2. The intelligent bed moving and lifting device as claimed in claim 1, wherein: one side of the movable supporting block is fixedly connected with a corresponding lubricating oil containing groove, a corresponding rotating shaft is rotatably arranged above the lubricating oil containing groove, a corresponding cylindrical sponge layer is fixedly sleeved on the rotating shaft, and the top of the cylindrical sponge layer is positioned below the transmission shaft in an extrusion state.
3. The intelligent bed moving and lifting device as claimed in claim 1, wherein: the guide supporting mechanism comprises a first fixed guide rail positioned on the lathe bed and a second fixed guide rail positioned on the side edge of the bed board, corresponding positioning slide blocks are respectively and fixedly installed at two ends of the first fixed guide rail, corresponding positioning slide blocks are respectively and movably installed at two ends of the second fixed guide rail, two corresponding limiting rods are connected between the first fixed guide rail and the second fixed guide rail in a crossed mode, and two ends of the two limiting rods are respectively turned inwards and are installed on the corresponding positioning slide blocks through corresponding bearings in a rotating mode.
4. The intelligent bed moving and lifting device as claimed in claim 1, wherein: two corresponding limit switches are arranged on two sides of one movable supporting block in the supporting guide rail, trigger points of the two limit switches are arranged facing the movable supporting block respectively, and the two limit switches and the forward and reverse rotation brake motor are connected to corresponding electric controllers respectively.
5. The intelligent bed moving and lifting device as claimed in claim 1, wherein: the positioning rods are all arranged into arc shapes which are bent downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909498.6A CN110772071A (en) | 2019-09-25 | 2019-09-25 | Intelligent bed moving and lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909498.6A CN110772071A (en) | 2019-09-25 | 2019-09-25 | Intelligent bed moving and lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110772071A true CN110772071A (en) | 2020-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910909498.6A Pending CN110772071A (en) | 2019-09-25 | 2019-09-25 | Intelligent bed moving and lifting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110772071A (en) |
Citations (10)
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|---|---|---|---|---|
| KR20010079071A (en) * | 2001-06-12 | 2001-08-22 | 김용배 | Shape changable Bed |
| CN201759161U (en) * | 2009-10-19 | 2011-03-16 | 迈克尔·维伯格 | Furniture device |
| CN104477297A (en) * | 2014-11-26 | 2015-04-01 | 平湖市至爱童车有限公司 | Electric playmobile with shaking function for children |
| CN206933754U (en) * | 2017-01-19 | 2018-01-30 | 长沙师范学院 | A kind of Liftable type rotates sketch shooting table |
| JP6310029B2 (en) * | 2016-10-04 | 2018-04-11 | 林李素珍 | Electric bed apparatus and manufacturing method thereof |
| CN207769106U (en) * | 2018-01-19 | 2018-08-28 | 王佳琳 | The bed of adjustable tilt angle |
| CN108836000A (en) * | 2018-05-26 | 2018-11-20 | 芜湖琅格信息技术有限公司 | A kind of smart home divan with correction sleep angle function |
| CN108992255A (en) * | 2018-08-14 | 2018-12-14 | 林翔 | Full-automatic medical patient's dedicated transfer car |
| CN109107817A (en) * | 2018-10-29 | 2019-01-01 | 浙江工业大学上虞研究院有限公司 | A kind of bolt lubricating oil application device based on magnetic-adsorption |
| CN210446335U (en) * | 2019-08-30 | 2020-05-05 | 舒榻（厦门）智能科技有限公司 | Intelligent bed moving and lifting device |
-
2019
- 2019-09-25 CN CN201910909498.6A patent/CN110772071A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010079071A (en) * | 2001-06-12 | 2001-08-22 | 김용배 | Shape changable Bed |
| CN201759161U (en) * | 2009-10-19 | 2011-03-16 | 迈克尔·维伯格 | Furniture device |
| CN104477297A (en) * | 2014-11-26 | 2015-04-01 | 平湖市至爱童车有限公司 | Electric playmobile with shaking function for children |
| JP6310029B2 (en) * | 2016-10-04 | 2018-04-11 | 林李素珍 | Electric bed apparatus and manufacturing method thereof |
| CN206933754U (en) * | 2017-01-19 | 2018-01-30 | 长沙师范学院 | A kind of Liftable type rotates sketch shooting table |
| CN207769106U (en) * | 2018-01-19 | 2018-08-28 | 王佳琳 | The bed of adjustable tilt angle |
| CN108836000A (en) * | 2018-05-26 | 2018-11-20 | 芜湖琅格信息技术有限公司 | A kind of smart home divan with correction sleep angle function |
| CN108992255A (en) * | 2018-08-14 | 2018-12-14 | 林翔 | Full-automatic medical patient's dedicated transfer car |
| CN109107817A (en) * | 2018-10-29 | 2019-01-01 | 浙江工业大学上虞研究院有限公司 | A kind of bolt lubricating oil application device based on magnetic-adsorption |
| CN210446335U (en) * | 2019-08-30 | 2020-05-05 | 舒榻（厦门）智能科技有限公司 | Intelligent bed moving and lifting device |
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Address after: Room 2107, 893 Haicang Avenue, Haicang District, Xiamen City, Fujian Province, 361000 Applicant after: SUTA (XIAMEN) INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 361000 4th floor, 999 Dongfu Avenue, Haicang District, Xiamen City, Fujian Province Applicant before: SUTA (XIAMEN) INTELLIGENT TECHNOLOGY Co.,Ltd. |
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Application publication date: 20200211 |