CN114613255B - Rotating mechanism, flexible display device and electronic equipment - Google Patents
Rotating mechanism, flexible display device and electronic equipment Download PDFInfo
- Publication number
- CN114613255B CN114613255B CN202011429288.6A CN202011429288A CN114613255B CN 114613255 B CN114613255 B CN 114613255B CN 202011429288 A CN202011429288 A CN 202011429288A CN 114613255 B CN114613255 B CN 114613255B
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- rotating
- rotating part
- groove
- protruding structure
- rotating mechanism
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- 230000000670 limiting effect Effects 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the application discloses a rotating mechanism, a flexible display device and electronic equipment. The rotating mechanism comprises: the fixing frame is provided with a containing groove and an arc-shaped chute; the movable piece comprises a rotating part and a connecting part connected with the rotating part, a protruding structure is formed on the rotating part, the rotating part is rotatably arranged on a supporting surface of the accommodating groove, and the protruding structure is configured to slide in the sliding groove in the rotating process of the rotating part; and the limiting structure is arranged in the chute and used for limiting the maximum sliding travel of the protruding structure in the chute. In the rotating process of the rotating part, the protruding structure slides in the sliding groove on the fixing frame, and the protruding structure can be blocked by the limiting structure when sliding to the maximum travel, so that the protruding structure is ensured not to deviate from the sliding groove, and on the basis, the rotating part is inevitably separated from the supporting surface of the accommodating groove, so that the failure risk of the rotating mechanism can be reduced or eliminated.
Description
Technical Field
The application relates to the field of display devices, in particular to a rotating mechanism, a flexible display device and electronic equipment.
Background
Along with the continuous development of flexible screen technology, more and more mobile phone manufacturers begin to use the flexible screen as the screen of the mobile phone, and the folding of the screen of the mobile phone is realized through the flexible screen, so that the mobile phone has the advantages that the volume can be compressed when the mobile phone is carried, the screen can be enlarged when the mobile phone is used, and further the experience of a client is improved. In the related art, the folding of the mobile phone screen is realized through a mechanical rotating mechanism, and the flexible screen is driven to bend to a certain extent through the rotating mechanism, so that the folding of the mobile phone screen is realized. The folded form may be classified into a U-shaped fold and a drop-shaped fold according to a difference in form of a bent portion of the screen when the screen is folded. The diversification of the folded configuration puts higher demands on the relative rotation angle between the rotating part and the fixed part of the rotating mechanism, however, the rotating part is usually a virtual shaft, in which case a larger rotation angle also means that the rotating part is more easily detached from the fixed part, i.e. the risk of failure of the rotating mechanism is higher.
Disclosure of Invention
An object of the present application is to provide a rotation mechanism capable of preventing failure due to an excessively large rotation angle, and a flexible display device provided with the rotation mechanism, and an electronic apparatus provided with the flexible display device. The technical scheme of the application is as follows:
in a first aspect, embodiments of the present application provide a rotation mechanism, including: the fixing frame is provided with a containing groove and a sliding groove; the movable piece comprises a rotating part and a connecting part connected with the rotating part, a protruding structure is formed on the rotating part, the rotating part is rotatably arranged on a supporting surface of the accommodating groove, and the protruding structure is configured to slide in the sliding groove in the rotating process of the rotating part; and the limiting structure is arranged in the chute and used for limiting the maximum sliding travel of the protruding structure in the chute.
In a second aspect, embodiments of the present application provide a flexible display device, including: the flexible screen and the rotating mechanism in any of the above embodiments, wherein the flexible screen comprises a bendable region, and the rotating mechanism is supported on the back surface of the bendable region.
In a third aspect, an embodiment of the present application provides an electronic device, including: a housing and the flexible display device of any of the above embodiments; the shell comprises a first frame body and a second frame body, and the rotating mechanism is connected between the first frame body and the second frame body.
According to the rotating mechanism, the flexible display device and the electronic equipment, the rotating mechanism comprises the fixing frame and the movable piece, the rotating part of the movable piece is arranged on the supporting surface of the accommodating groove of the fixing frame in a rotatable mode, and the protruding structure is formed on the rotating part, so that the protruding structure slides in the sliding groove on the fixing frame in the rotating process of the rotating part, in addition, the limiting structure used for limiting the maximum sliding stroke of the protruding structure is arranged in the sliding groove, the protruding structure can be blocked by the limiting structure when sliding to the maximum stroke, the protruding structure is prevented from falling out of the sliding groove, and the protruding structure and the rotating part are arranged on the rotating part, so that the protruding structure cannot fall out of the sliding groove, and the fact that the rotating part cannot fall off from the supporting surface of the accommodating groove is also inevitable, so that the failure risk of the rotating mechanism can be reduced or eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an electronic device according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a rotating mechanism according to an embodiment of the present disclosure;
FIG. 3 is a schematic plan view of a rotating mechanism according to an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view taken in the direction A-A of the structure shown in FIG. 3 (the rotational angle at which the rotational portion is located is different from that of FIG. 3);
fig. 5 is a schematic diagram of a positional relationship between an anti-disengagement member and a rotation portion according to an embodiment of the present disclosure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device 1 according to an embodiment of the present application. As shown in fig. 1, an electronic device 1 provided in an embodiment of the present application may be a foldable mobile phone, a foldable tablet computer, a foldable electronic book reader, or the like.
Specifically, the electronic apparatus 1 may include the flexible display device 10 and the housing 20, wherein the flexible display device 10 may further include the flexible screen 200 and the rotation mechanism 100, the flexible screen 200 including the bendable region 210, and the rotation mechanism 100 being supported on a back surface of the bendable region 210. The flexible screen 200 may be folded or flattened under the drive of the rotating mechanism 100. The housing 20 includes a first frame 201 and a second frame 202, and the rotation mechanism 100 is connected between the first frame 201 and the second frame 202. The first frame 201 and the second frame 202 can drive the rotating mechanism 100 to rotate, so that the flexible screen 200 is driven to fold or flatten by the rotating mechanism.
Referring to fig. 2 to 4, fig. 2 is a schematic perspective view of a rotating mechanism according to an embodiment of the present application, fig. 3 is a schematic plan view of a rotating mechanism according to an embodiment of the present application, and fig. 4 is a cross-sectional view of A-A of the structure shown in fig. 3 (the rotating portion is located at a different rotation angle from that of fig. 3). As shown in fig. 1 to 4, the rotation mechanism 100 includes a fixed frame 110, a movable member 120, and a limiting structure 1321. Specifically, the fixing frame 110 is formed with a receiving slot and a sliding slot 1111, and the movable member 120 includes a rotating portion 121 and a connecting portion 122 connected to the rotating portion 121, where the connecting portion 122 is used to connect the flexible screen 200, and is also used to connect the first frame 201 or the second frame 202, so that the first frame 201 or the second frame 202 can drive the flexible screen 200 to move through the movable member 120, and further folding or unfolding of the flexible screen 200 is achieved. The rotating portion 121 is formed with a protrusion 1211, and the rotating portion 121 is rotatably disposed on the bearing surface 1121 of the receiving groove, and the protrusion 1211 is configured to slide in the slide slot 1111 during rotation of the rotating portion 121. A limiting structure 1321 is disposed in the sliding slot 1111 for limiting a maximum sliding travel of the protruding structure 1211 in the sliding slot 1111.
The rotating mechanism 100 of the embodiment of the present application includes a fixed frame 110 and a movable member 120, and a rotating portion 121 of the movable member 120 is rotatably provided on a supporting surface 1121 of a receiving groove of the fixed frame 110, thereby enabling the movable member 120 to have a rotational degree of freedom rotatable with respect to the fixed frame 110. In addition, the protrusion 1211 is formed on the rotating part 121, the protrusion 1211 slides in the sliding slot 1111 of the fixing frame 110 during the rotation of the rotating part 121, and the limiting structure 1321 for limiting the maximum sliding travel of the protrusion 1211 is disposed in the sliding slot 1111, that is, the protrusion 1211 is blocked by the limiting structure 1321 when the protrusion 121 slides to the maximum travel, so that the protrusion 1211 is prevented from falling out of the sliding slot 1111, and the protrusion 1211 is prevented from falling out of the sliding slot 1111 due to the protrusion 1211 and the rotating part being disposed on the rotating part 121, which necessarily means that the rotating part 121 is prevented from falling out of the supporting surface 1121 of the receiving slot, so that the failure risk of the rotating mechanism 100 can be reduced or eliminated.
Further, the rotating portion 121 may be a virtual shaft, for example, a cross section of the rotating portion 121 may be a shape formed by cutting a circle straight, and such a virtual shaft is advantageous in reducing the overall thickness of the rotating mechanism 100 as compared to a cylindrical shaft structure. However, the virtual shaft is easy to deviate from under the condition of realizing large-angle rotation, and the limiting structure 1321 is arranged in the embodiment of the application, so that the rotating part 121 is ensured not to deviate from the supporting surface 1121 of the accommodating groove, and the failure risk of the rotating mechanism 100 is reduced or eliminated.
Further, the fixing frame 110 includes a main body portion 111 and a fitting portion 112 connected to the main body portion 111, a receiving groove is formed on the fitting portion 112, the receiving groove has a supporting surface 1121 having an arc-shaped surface for supporting the rotating portion 121, a slide groove 1111 is formed on the main body portion 111, and a cross section of the slide groove is arc-shaped. During the rotation of the rotating portion 121 of the movable member 120, the supporting surface 1121 of the accommodating groove, which is an arc surface, has a limiting effect on the rotating portion 121, that is, it is ensured that the rotating portion 121 can only rotate and cannot move while rotating. In addition, the sliding slot 1111 is formed on the main body 111, and the protrusion 1211 can slide in the arc-shaped sliding slot 1111, which means that a part of the structure (the protrusion 1211) on the rotating portion 121 extends into the main body 111 (specifically, the sliding slot 1111), so that the rotating portion 121 of the movable member 120 and the main body 111 of the fixed frame 110 have an assembling relationship, so that the two form a functional assembly with a relatively stable structure.
Further, referring to fig. 5, fig. 5 is a schematic diagram illustrating a positional relationship between the anti-disengagement member and the rotation portion according to an embodiment of the present disclosure. As shown in fig. 5, the rotation mechanism 100 further includes an anti-disengagement member 130, the anti-disengagement member 130 includes a mounting ring 131 and a support arm 132 connected to the mounting ring 131, the mounting ring 131 is fixed to the main body 111 by a connector 140, at least a portion of the support arm 132 extends into the chute 1111, and a portion of the support arm 132 extending into the chute 1111 forms a limit structure 1321. In this embodiment, the anti-disengagement member 130 can be firmly connected to the main body 111 through the mounting ring 131 and the connecting piece 141 penetrating through the mounting ring 131, and after the anti-disengagement member 130 is mounted on the main body 111, at least part of the structure of the support arm 132 of the anti-disengagement member 130 extends into the sliding slot 1111, thereby forming the limiting structure 1321. Therefore, the limiting structure 1321 is formed by the partial structure of the anti-falling component 130 having the assembling relationship with the main body 111, and compared with the mode of directly processing the limiting structure 1321 in the chute 1111, the forming mode of the limiting structure 1321 in the application is easier to be realized, and meanwhile, the limiting structure 1321 is convenient to be disassembled and assembled, so as to be beneficial to maintenance and replacement of the implementation.
Specifically, the length of the portion of the arm 132 that protrudes into the slide groove 1111 is greater than 0.5mm, so that it is ensured that the portion of the arm 132 that protrudes into the slide groove 1111 can form an effective blocking effect on the protrusion 1211, that is, when the length of the portion of the arm 132 that protrudes into the slide groove 1111 is 0.5mm or less, the blocking effect is weak, and at this time, the protrusion 1211 is still at risk of coming out of the slide groove 1111.
Further, the number of the movable members 120 is two, and the two movable members 120 are disposed at both sides of the fixed frame 110 in an opposite manner. One of the two movable members 120 is for connection with the first frame 201, and the other of the two movable members 120 is for connection with the second frame 202. Thereby, the first frame 201 or the second frame 202 can move the flexible screen 200 through the two movable members 120 to fold or unfold the flexible screen 200 from a folded state.
Specifically, each movable member 120 includes two rotating portions 121, and the two rotating portions 121 of each movable member 120 are disposed at both ends of the main body portion 111, and one protrusion 1211 is formed on each rotating portion 121. When the movable member 120 and the fixed frame 110 in the embodiment of the present application are assembled, the movable member 120 may be moved to a position where the two rotating portions 121 are aligned with the two ends of the main body portion 111, and then the protrusion 1211 on each rotating portion 121 slides into the corresponding slide slot 1111. The anti-disengagement member 130 is then mounted on the body portion 111 to form a stop structure 1321 disposed in the chute 1111. It can be seen that the rotating portion 121 in the embodiment of the present application can form a stable and firm assembly relationship with the fixing frame 110.
Further, the number of the assembling portions 112 is two, the two assembling portions 112 are disposed at two ends of the main body 111, two bearing surfaces 1121 are formed on each assembling portion 112, and the two bearing surfaces 1121 on the same assembling portion 112 are respectively used for bearing the rotating portions 121 on the different movable members 120. In the present embodiment, the number of the fitting portions 112 is two, and thus, two rotating portions 121 on the same movable member 120 are provided on different fitting portions 112, and the rotating portions 121 on different movable members 120 may be provided on the same fitting portion 112. Specifically, two bearing surfaces 1121 are formed on each fitting portion 112, one bearing surface 1121 being for fitting with one rotating portion 121 on one movable member 120, and the other bearing surface 1121 being for fitting with one rotating portion 121 on the other movable member 120. Therefore, by providing two assembling portions 112 and two bearing surfaces 1121 on each assembling portion 112, the total four rotating portions 121 on the two movable members 120 can be assembled with the fixed frame 110, and the arrangement is stable and reliable, and the structure layout is reasonable, and the space utilization is high.
Further, the number of the anti-escape members 130 is two, and the number of the arms 132 on each anti-escape member 130 is two, and the two arms 132 are respectively used for limiting the maximum sliding travel of the two protruding structures 1211 on one movable member 120. In the present embodiment, the number of the anti-falling components 130 is two, that is, the number of the supporting arms 132 on each anti-falling component 130 is four, the four supporting arms 132 just form four limiting structures 1321 correspondingly, and each limiting structure 1321 has a limiting effect on one corresponding rotating portion 121, so that all the rotating portions 121 on the two movable members 120 can be limited to the maximum rotation angle. That is, the two anti-disengagement members 130 installed in the embodiment of the present application can meet the limit requirement on the four rotation portions 121, so that the utilization rate of the anti-disengagement members 130 is improved, and the number of the whole parts of the rotation mechanism 100 is reduced.
Specifically, the connection member 140 is a screw or rivet, and the connection process is easy to operate, has a high operation effect, and has a low cost.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context. Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The foregoing disclosure is only illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the claims herein, as the equivalent of the claims herein shall be construed to fall within the scope of the claims herein.
Claims (9)
1. A rotary mechanism, comprising:
the fixing frame is provided with a containing groove and a sliding groove;
the movable piece comprises a rotating part and a connecting part connected with the rotating part, a protruding structure is formed on the rotating part, the rotating part is rotatably arranged on a supporting surface of the accommodating groove, and the protruding structure is configured to slide in the sliding groove in the rotating process of the rotating part; and
the limiting structure is arranged in the chute and used for limiting the maximum sliding travel of the protruding structure in the chute;
the movable pieces are arranged on two sides of the fixed frame in an opposite mode, and the two movable pieces are symmetrically arranged on two sides of the fixed frame;
the protruding structure is arranged on one side of the rotating part and is positioned in the chute;
the rotating mechanism further comprises an anti-falling component, the anti-falling component comprises a mounting ring and a support arm connected with the mounting ring, the mounting ring is fixed on the fixing frame, at least part of the support arm stretches into the sliding groove, and the part of the support arm stretching into the sliding groove forms the limiting structure.
2. The rotating mechanism according to claim 1, wherein the fixing frame includes a main body portion and an assembling portion connected to the main body portion, the receiving groove is formed on the assembling portion, the receiving groove has a supporting surface for supporting the rotating portion in an arc shape, the slide groove is formed on the main body portion and a cross section of the slide groove is in an arc shape.
3. The rotary mechanism of claim 2, wherein the mounting collar is secured to the body portion by a connector.
4. A rotary mechanism according to claim 3, wherein each of said movable members includes two of said rotary portions, and two of said rotary portions of each of said movable members are disposed at both ends of said main body portion, and one of said projection structures is formed on each of said rotary portions.
5. The rotating mechanism according to claim 4, wherein the number of the fitting portions is two, the two fitting portions are provided at both ends of the main body portion, two bearing surfaces are formed on each of the fitting portions, and the two bearing surfaces on the same fitting portion are respectively used for bearing the rotating portions on the different movable members.
6. The rotating mechanism according to claim 4, wherein the number of said anti-disengagement members is two, the number of arms on each of said anti-disengagement members is two, and two of said arms on the same anti-disengagement member are each adapted to limit the maximum sliding travel of two of said projection structures on one of said movable members.
7. A rotary mechanism according to claim 3, wherein the length of the portion of the arm extending into the chute is greater than 0.5mm.
8. A flexible display device, comprising:
a flexible screen comprising a bendable region and a rotation mechanism according to any one of claims 1 to 7 supported on the back of the bendable region.
9. An electronic device, comprising: a housing and a flexible display device according to claim 8;
the shell comprises a first frame body and a second frame body, and the rotating mechanism is connected between the first frame body and the second frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429288.6A CN114613255B (en) | 2020-12-09 | 2020-12-09 | Rotating mechanism, flexible display device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429288.6A CN114613255B (en) | 2020-12-09 | 2020-12-09 | Rotating mechanism, flexible display device and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114613255A CN114613255A (en) | 2022-06-10 |
| CN114613255B true CN114613255B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011429288.6A Active CN114613255B (en) | 2020-12-09 | 2020-12-09 | Rotating mechanism, flexible display device and electronic equipment |
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| CN (1) | CN114613255B (en) |
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| CN110570769A (en) * | 2019-09-12 | 2019-12-13 | 云谷（固安）科技有限公司 | Folding screen and display terminal |
| CN111816067A (en) * | 2019-04-12 | 2020-10-23 | 三星电子株式会社 | Foldable electronic device |
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| CN2777916Y (en) * | 2004-12-30 | 2006-05-03 | 深圳富泰宏精密工业有限公司 | Cover spacing structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114613255A (en) | 2022-06-10 |
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