CN216768861U - Driving device of telescopic flexible screen and telescopic flexible screen comprising same - Google Patents
Driving device of telescopic flexible screen and telescopic flexible screen comprising same Download PDFInfo
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- CN216768861U CN216768861U CN202220181271.1U CN202220181271U CN216768861U CN 216768861 U CN216768861 U CN 216768861U CN 202220181271 U CN202220181271 U CN 202220181271U CN 216768861 U CN216768861 U CN 216768861U
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Abstract
The utility model discloses a driving device of a telescopic flexible screen, which comprises a fixed bracket, a speed reducing motor, a driving gear, a gear shaft, a driven gear and two groups of linear motion units, wherein the driven gear is meshed with the driving gear; each group of linear motion units comprises a sliding guide rod, a screw rod mechanism and a transmission gear, a screw rod nut is arranged on the screw rod in a penetrating mode and is installed on the sliding guide rod in a sliding mode, and the transmission gear is fixedly installed at one end, close to the driven gear, of the screw rod. The driving device of the utility model is provided with two groups of linear motion units on the same fixed support according to the same structural mode, the speed reducing motor and the screw rod are arranged and installed in the same axial direction, the two screw rods are controlled to rotate, the synchronous movement of the two screw rod nuts in the linear direction can be realized, and the expansion bracket of the electronic product is driven to expand and contract through the two screw rod nuts, thereby realizing the expansion and contraction of the flexible screen.
Description
Technical Field
The utility model belongs to the field of flexible screens, and particularly relates to a driving device of a telescopic flexible screen and the telescopic flexible screen comprising the same.
Background
Flexible screen, refers to flexible OLED. The successful mass production of the flexible screen is not only greatly better than the manufacturing of a new generation of high-end smart phone, but also has a profound influence on the application of wearable equipment due to the characteristics of low power consumption and flexibility, and the flexible screen can be widely applied along with the continuous penetration of a personal intelligent terminal in the future. OLEDs are thin and can be mounted on flexible materials such as plastic or metal foils. Instead of glass, plastic can make the display more durable and lighter. The flexible OLED panel is concave from top to bottom with a bending radius of 700 mm.
Compared with a traditional screen, the flexible screen has the advantages of being obvious, being lighter and thinner in size and lower in power consumption than original devices, being beneficial to improving the cruising ability of equipment, and meanwhile, based on the characteristics of being bendable and good in flexibility, the durability of the flexible screen is greatly higher than that of the traditional screen, and the probability of accidental damage of the equipment is reduced.
With the continuous breakthrough of the OLED flexible screen technology, great convenience is brought to the function development of electronic products using flexible screens, for example, on the new function innovation of consumer electronics such as mobile phones, IPADs, autopilot heads-up displays or center control panels, the flexible screen bent in a U shape can be properly expanded or retracted in different use occasions, that is, two ends of the flexible screen bent in a U shape are moved relatively or reversely.
Based on the realization that the expansion bracket of the consumer electronic product and the flexible screen on the expansion and contraction expansion bracket need to be moved simultaneously, when the flexible screen with larger area is expanded and contracted, larger thrust is needed, if the flexible screen is slid by only manpower, the labor is consumed, and the clamping shell is easily caused by improper force; meanwhile, the flexible screen and the telescopic frame are generally flat in structure, and a difficult problem is brought to the design of a power mechanism.
SUMMERY OF THE UTILITY MODEL
In view of the above drawbacks or needs for improvement in the prior art, the present invention provides a driving apparatus for a retractable flexible screen and a retractable flexible screen including the same, in which a size of a speed reduction motor can be sufficiently small to allow the speed reduction motor to output higher power, and the driving apparatus reliably pushes a telescopic frame of the retractable flexible screen to extend and retract, so that the flexible screen can move smoothly and rapidly.
To achieve the above object, according to one aspect of the present invention, there is provided a driving apparatus of a retractable flexible screen, comprising a fixed bracket, a reduction motor, a driving gear, a gear shaft, a driven gear, and two sets of linear motion units, wherein:
the speed reducing motor is arranged on the fixed bracket, and the driving gear is fixedly arranged on an output shaft of the speed reducing motor;
the gear shaft is fixedly arranged on the fixed bracket, and the gear shaft is arranged on the driven gear through a first bearing, and the driven gear is meshed with the driving gear;
for each group of linear motion units, each group of linear motion units comprises a sliding guide rod, a guide rod mechanism and a transmission gear, each guide rod mechanism comprises a guide rod and a guide rod nut, each end of each guide rod is rotatably installed on the fixed support through a second bearing, the sliding guide rod is installed on the fixed support, the sliding guide rod is parallel to the guide rod, the guide rod is parallel to an output shaft of the speed reducing motor, the guide rod nut is installed on the guide rod in a penetrating manner, the guide rod nut is installed on the sliding guide rod in a sliding manner, and the transmission gear is fixedly installed at one end, close to the driven gear, of the guide rod;
the driven gear is meshed with the transmission gear on any lead screw;
the transmission gears on the two lead screws are meshed with each other, and the rotating directions of the two lead screws are the same.
Preferably, the transmission device further comprises an upper cover covering the fixed support, and the driving gear, the driven gear and the two transmission gears are located in the upper cover.
Preferably, the speed reduction motor does not extend beyond the fixing bracket in the length direction of the speed reduction motor.
Preferably, the first bearing and the second bearing are both rolling bearings.
Preferably, the motor of the reduction motor is a stepping motor.
According to another aspect of the present invention, there is also provided a retractable flexible screen comprising said drive device, characterized by further comprising a retractable frame and a flexible screen, and:
the telescopic frame comprises two comb plates which can move relatively, and the teeth of one comb plate are inserted into the other comb plate;
the flexible screen is bent into a U shape and wraps the telescopic frame;
each side of the opening of the flexible screen is correspondingly arranged on one comb plate;
the lead screw nut of each driving device is respectively connected with one comb plate, so that the two comb plates are close to or far away from each other.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1) the driving device of the utility model is provided with two groups of linear motion units on the same fixed support according to the same structural mode, the speed reducing motor and the screw rod are arranged and installed in the same axial direction, the two screw rods are controlled to rotate synchronously, the two screw rod nuts can move synchronously in the linear direction, and the telescopic frame of the electronic product is driven to stretch through the two screw rod nuts, thereby realizing the expansion and contraction of the flexible screen.
2) The telescopic frame of the telescopic flexible screen can rapidly move under the driving of the driving device, and the comb plates move independently and synchronously without mutual influence, so that the flexible screen can be smoothly contracted or expanded.
Drawings
FIG. 1 is an exploded view of a driving device according to the present invention
FIG. 2 is a perspective view of the drive device of the present invention;
FIG. 3 is a cross-sectional view of the drive unit of the present invention;
fig. 4 is a bottom view of the retractable flexible screen of the present invention when retracted;
FIG. 5 is a perspective view of the retractable flexible screen of the present invention when retracted;
FIG. 6 is a bottom view of the present invention with the retractable flexible screen expanded;
FIG. 7 is a perspective view of the flexible, retractable screen of the present invention when expanded;
FIG. 8 is a perspective view of the flexible screen of the retractable flexible screen of the present invention when retracted;
FIG. 9 is a perspective view of the flexible screen of the retractable flexible screen of the present invention as it expands;
FIG. 10 is a perspective view of the telescoping structure of the flexible retractable screen of the present invention shown retracted
Fig. 11 is a perspective view of the telescoping bracket of the retractable flexible screen of the present invention when expanded.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the driving apparatus of the retractable flexible screen includes a fixing bracket 240, a reduction motor 100, a driving gear 280, a gear shaft, a driven gear 30, and two sets of linear motion units, wherein:
the reduction motor 100 is installed on the fixing bracket 240, the driving gear 280 is fixedly installed on an output shaft of the reduction motor 100, power of the reduction motor 100 can be transmitted out through the driving gear 280, and a stepping motor, preferably a high-frequency stepping motor, can be adopted as a motor of the reduction motor 100.
The gear shaft is fixedly mounted on the fixed bracket 240, the driven gear 30 is mounted on the gear shaft through a first bearing, the driven gear 30 is meshed with the driving gear 280, the driving gear 280 rotates to drive the driven gear 30 to rotate, and the driving gear 280 and the driven gear 30 jointly form a pair of gear transmission mechanisms.
For each group of linear motion units, the linear motion units comprise a sliding guide rod 230, a lead screw 270 mechanism and a transmission gear 210, the lead screw 270 mechanism comprises a lead screw 270 and a lead screw nut 220, each end of the lead screw 270 is rotatably mounted on the fixed bracket 240 through a second bearing 260, the sliding guide rod 230 is mounted on the fixed bracket 240, the sliding guide rod 230 is parallel to the lead screw 270, the lead screw 270 is parallel to an output shaft of the reduction motor 100, the lead screw nut 220 is mounted on the lead screw 270 in a penetrating manner, the lead screw nut 220 is slidably mounted on the sliding guide rod 230, the transmission gear 210 is fixedly mounted at one end of the lead screw 270 close to the driven gear 30, and both the first bearing and the second bearing 260 are rolling bearings.
The driven gear 30 is engaged with the transmission gear 210 on any one of the lead screws 270, and transmits the power rotation speed characteristic of the reduction motor 100 to the lead screws 270.
The transmission gears 210 on the two lead screws 270 are meshed with each other, and the rotating directions of the two lead screws 270 are the same. Because the rotation directions of the two meshed transmission gears 210 are opposite, the rotation directions of the two lead screws 270 are also opposite, so that the lead screw nuts 220 on the two lead screws 270 can be driven to move towards or away from each other.
Further, the present invention further comprises an upper cover 250 covering the fixing bracket 240, wherein the driving gear 280, the driven gear 30 and the two transmission gears 210 are all located in the upper cover 250, and the upper cover 250 and one end of the fixing bracket 240 are assembled to form a gear box to protect the power transmission of the internal gears.
Further, in the length direction of the reduction motor 100, the reduction motor 100 does not exceed the fixing bracket 240, and the two sets of linear motion units are also located at the same side of the reduction motor 100, so as to reduce the length of the module
According to another aspect of the present invention, there is also provided a retractable flexible screen, comprising said driving means, further comprising a telescopic frame 40 and a flexible screen 50, and:
the telescopic frame 40 comprises two comb plates 401 which can move relatively, and the teeth of one comb plate 401 are inserted into the other comb plate 401;
the flexible screen 50 is bent in a U-shape, and the flexible screen 50 wraps the telescopic frame 40; each side of the opening of the flexible screen 50 is correspondingly installed on one comb plate 401;
the lead screw nut 220 of each driving device is respectively connected with one comb plate 401, so that the two comb plates 401 are close to or far away from each other.
The geared motor 100 can be operated by a push button control provided on the telescopic frame 40 or by a remote control, which is located in the area of the telescopic frame 40 and does not interfere with the normal mounting of the flexible screen 50, so as to keep the overall structure compact.
When the reduction motor 100 rotates, power is transmitted to the lead screws 270 through the driving gear 280, the driven gear 30 and the transmission gear 210, the lead screw nuts 220 on the two lead screws 270 move towards or away from each other, and when moving towards each other, the two comb plates 401 of the telescopic frame 40 are driven to move towards each other, so that the flexible screen 50 mounted on the telescopic frame 40 contracts (two ends at the opening of the flexible screen 50 are close to each other), and when moving away from each other, the two comb plates 401 of the telescopic frame 40 are driven to move away from each other, so that the flexible screen 50 mounted on the telescopic frame 40 expands (two ends at the opening of the flexible screen 50 are far away from each other).
Referring to fig. 4 and 5, the retractable flexible screen is in a normally retracted state; referring to fig. 6 and 7, the retractable flexible screen is in an expanded and enlarged state. The retractable flexible screen can achieve the appearance state of the above two sizes, the flexible screen 50 bent into a U shape is required to be able to achieve the folding and translation as shown in fig. 8 and 9, and the retractable frame 40 supporting the flexible screen 50 must also satisfy the state of keeping the retraction to be smaller and the state of expanding to be larger as shown in fig. 10 and 11.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. Drive arrangement of scalable flexible screen, its characterized in that includes fixed bolster, gear motor, driving gear, gear shaft, driven gear and two sets of linear motion unit, wherein:
the speed reducing motor is arranged on the fixed bracket, and the driving gear is fixedly arranged on an output shaft of the speed reducing motor;
the gear shaft is fixedly arranged on the fixed bracket, and the gear shaft is arranged on the driven gear through a first bearing, and the driven gear is meshed with the driving gear;
for each group of linear motion units, each group of linear motion units comprises a sliding guide rod, a guide rod mechanism and a transmission gear, each guide rod mechanism comprises a guide rod and a guide rod nut, each end of each guide rod is rotatably installed on the fixed support through a second bearing, the sliding guide rod is installed on the fixed support, the sliding guide rod is parallel to the guide rod, the guide rod is parallel to an output shaft of the speed reducing motor, the guide rod nut is installed on the guide rod in a penetrating manner, the guide rod nut is installed on the sliding guide rod in a sliding manner, and the transmission gear is fixedly installed at one end, close to the driven gear, of the guide rod;
the driven gear is meshed with the transmission gear on any lead screw;
the transmission gears on the two lead screws are meshed with each other, and the rotating directions of the two lead screws are the same.
2. The device as claimed in claim 1, further comprising an upper cover covering the fixed frame, wherein the driving gear, the driven gear and the two transmission gears are located in the upper cover.
3. The retractable flexible screen drive of claim 1, wherein the gear motor does not extend beyond the fixed bracket in the length direction of the gear motor.
4. The retractable flexible screen drive of claim 1, wherein the first and second bearings are rolling bearings.
5. The device of claim 1, wherein the motor of the gear motor is a stepper motor.
6. A retractable flexible screen comprising the drive of any of claims 1 to 5, further comprising a retractable frame and a flexible screen, and:
the telescopic frame comprises two comb plates which can move relatively, and the teeth of one comb plate are inserted into the other comb plate;
the flexible screen is bent into a U shape and wraps the telescopic frame;
each side of the opening of the flexible screen is correspondingly arranged on one comb plate;
and a lead screw nut of each driving device is respectively connected with one comb plate, so that the two comb plates are close to or far away from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220181271.1U CN216768861U (en) | 2022-01-24 | 2022-01-24 | Driving device of telescopic flexible screen and telescopic flexible screen comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220181271.1U CN216768861U (en) | 2022-01-24 | 2022-01-24 | Driving device of telescopic flexible screen and telescopic flexible screen comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN216768861U true CN216768861U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220181271.1U Active CN216768861U (en) | 2022-01-24 | 2022-01-24 | Driving device of telescopic flexible screen and telescopic flexible screen comprising same |
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| CN (1) | CN216768861U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281585A (en) * | 2022-06-30 | 2022-11-04 | 中国科学院自动化研究所 | Stay wire driving device of flexible controllable apparatus |
| CN115920225A (en) * | 2022-12-20 | 2023-04-07 | 嘉仕动力(北京)科学技术有限公司 | Clamping device applied to extracorporeal circulation pipeline |
| CN116379118A (en) * | 2023-01-05 | 2023-07-04 | 东莞市劲丰电子有限公司 | Automatic drawing type moving mechanism for flexible screen application |
| WO2024022151A1 (en) * | 2022-07-25 | 2024-02-01 | 京东方科技集团股份有限公司 | Display apparatus, display panel movement control method and apparatus, medium, and device |
-
2022
- 2022-01-24 CN CN202220181271.1U patent/CN216768861U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281585A (en) * | 2022-06-30 | 2022-11-04 | 中国科学院自动化研究所 | Stay wire driving device of flexible controllable apparatus |
| WO2024022151A1 (en) * | 2022-07-25 | 2024-02-01 | 京东方科技集团股份有限公司 | Display apparatus, display panel movement control method and apparatus, medium, and device |
| CN115920225A (en) * | 2022-12-20 | 2023-04-07 | 嘉仕动力(北京)科学技术有限公司 | Clamping device applied to extracorporeal circulation pipeline |
| CN115920225B (en) * | 2022-12-20 | 2023-11-24 | 嘉仕动力(北京)科学技术有限公司 | Clamping device applied to extracorporeal circulation pipeline |
| CN116379118A (en) * | 2023-01-05 | 2023-07-04 | 东莞市劲丰电子有限公司 | Automatic drawing type moving mechanism for flexible screen application |
| CN116379118B (en) * | 2023-01-05 | 2024-01-09 | 东莞市劲丰电子有限公司 | Automatic drawing type moving mechanism for flexible screen application |
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