TW202223252A - Limiting shaft and dual-screen device using the smae - Google Patents

Abstract

A limiting shaft includes a core shaft, a first curved blocking plate, as well as a second curved blocking plate, and the first and second curved blocking plates are rotatably and coaxially connected to the core shaft. The first and second curved blocking plates rotate around the core shaft and selectively block each other.

Description

Limit shaft and dual-screen device using the same

The present invention relates to a limiting shaft piece and a dual-screen device using the limiting shaft piece.

With the development and progress of science and technology, the optoelectronic display industry has gradually become one of the current mainstream technologies.

In addition to being used in personal products, current display devices are also more vigorously used in the catering industry, tourism or service industry, and applications of display devices can be seen in various stores or business places. However, when the display device is used or transported, the screens may collide with each other and cause damage, thereby increasing the maintenance cost or operating cost of the manufacturer and indirectly negatively affecting the competitiveness of the manufacturer.

Therefore, many private enterprises or related academic and research units in the optoelectronic display industry have invested a lot of money, manpower and time on related technologies, and are eager to improve various characteristics of optical display devices.

In view of this, one objective of the present invention is to provide a limiting shaft member capable of solving the above problems, which includes a mandrel, a first arc-shaped blocking piece and a second arc-shaped blocking piece. The first arc-shaped blocking piece and the second arc-shaped blocking piece are coaxially pivoted on the mandrel, wherein the first arc-shaped blocking piece and the second arc-shaped blocking piece are used for rotating relative to the mandrel and selectively resisting each other.

In one or more embodiments of the present invention, the first arc-shaped baffle includes a first Z-shaped leading edge, and the second arc-shaped baffle includes a second Z-shaped leading edge, wherein the first Z-shaped leading edge At least partially abut against the second Z-shaped leading edge.

In one or more embodiments of the present invention, the limiting shaft further has a rotatable first rotating portion and a second rotating portion, the first arc-shaped blocking piece is connected to the first rotating portion, and the second arc-shaped The blocking plate is connected to the second rotating part.

In one or more embodiments of the present invention, the first rotating part and the second rotating part are respectively disposed at opposite ends of the mandrel.

In one or more embodiments of the present invention, each of the first arc-shaped blocking piece and the second arc-shaped blocking piece has a circular arc concave surface, and the circular arc concave surface faces the circular arc surface of the mandrel.

Another object of the present invention is to provide a dual-screen device including a first screen, a second screen and a limiting shaft. The limiting shaft is used for selectively limiting the first screen and the second screen, so that the first screen and the second screen are rotated relative to the limiting shaft to keep spaced apart. The limiting shaft member includes a mandrel, a first arc-shaped blocking piece and a second arc-shaped blocking piece. The first arc-shaped blocking piece and the second arc-shaped blocking piece are coaxially pivoted on the mandrel, the first screen and the second screen are respectively connected to the first curved blocking piece and the second curved blocking piece, wherein the first curved blocking piece is and the second arc-shaped blocking piece rotates relative to the mandrel and selectively resists each other.

In one or more embodiments of the present invention, the first arcuate baffle includes a first Z-shaped leading edge, and the second arcuate baffle includes a second Z-shaped leading edge, wherein the first Z-shaped leading edge is at least partially against the second Z-shaped leading edge.

In one or more embodiments of the present invention, the limiting shaft of the dual-screen device further has a rotatable first rotating part and a second rotating part, and the first screen is connected to the first rotating part through a first arc-shaped blocking piece , the second screen is connected to the second rotating part through the second arc-shaped blocking piece.

In one or more embodiments of the present invention, each of the first arc-shaped blocking piece and the second arc-shaped blocking piece has a circular arc concave surface, and the circular arc concave surface faces the circular arc surface of the mandrel.

In one or more embodiments of the present invention, the dual-screen device further includes a first connecting arm and a second connecting arm, and the first screen and the second screen are respectively connected to the first arc through the first connecting arm and the second connecting arm For the blocking piece and the second arc-shaped blocking piece, when the limiting shaft restricts the first screen and the second screen, the first connecting arm and the second connecting arm form a minimum angle.

To sum up, the dual-screen device of the present invention has a limit shaft member that can limit the first screen and the second screen, so that no matter how the first screen and the second screen rotate toward the limit shaft member, the limit shaft The design of the component can at least keep the first screen and the second screen separated from each other, thereby preventing the first screen and the second screen from touching each other or hitting each other due to excessive rotation force, and avoiding the first screen and the second screen. damaged.

The above descriptions are only used to describe the problems to be solved by the present invention, the technical means for solving the problems, and their effects, etc. The specific details of the present invention will be described in detail in the following embodiments and related drawings.

Several embodiments of the present invention will be disclosed in the drawings below, and for the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Besides, for the purpose of simplifying the drawings, some conventional structures and elements are shown in a simple and schematic manner in the drawings.

Furthermore, relative terms (eg, "top" or "bottom", "top" or "bottom", "left side" or "right side" may be used to describe the relationship between elements in the figures. It will be understood that the relative terms encompass other relationships of the devices than those depicted in the figures. For example, if the device in one of the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements. Therefore, the illustrated word "below" can also be interpreted as "above" and "below" according to the structural relationship in the drawings. Similarly, if the device in the figures is turned over, when elements are described as "below" or "beneath" other elements, they would also be construed as "above" and "over" the other elements. Similarly, relative terms such as "below" or "beneath" can also be construed as "above" or "over" an element.

FIG. 1 is a schematic perspective view of a dual-screen device 100 according to one or more embodiments of the present invention. The dual-screen device 100 includes a base 110, a first screen 130a and a second screen 130b, wherein the first screen 130a and the second screen 130b are coaxially pivoted to the base 110, and the base 110 is disposed between the first screen 130a and the second screen 130b Therefore, both the first screen 130a and the second screen 130b can be selectively rotated relative to the base 110 . Specifically, the first screen 130a and the second screen 130b have display panels (eg, touch panels), wherein the display surfaces of the first screen 130a and the second screen 130b are respectively oriented in different directions (eg, opposite directions), In this way, the first screen 130a and the second screen 130b respectively display images or operate for users in different directions, but the invention is not limited to this. In addition, the base 110 is further used to selectively limit the first screen 130a and the second screen 130b, so that the first screen 130a and the second screen 130b can be selectively rotated relative to each other to keep spaced apart, thereby avoiding the first screen 130a and the second screen 130b collide with each other and cause damage. In practical applications, the first screen 130a and the second screen 130b can be rotated relative to the base 110 by force respectively, and different users can adjust the elevation angles of the first screen 130a and the second screen 130b according to their needs for easy viewing. In addition, the base 110 of the dual-screen device 100 further includes a first connecting arm 160a and a second connecting arm 160b, the back of the first screen 130a is rotatably connected to the base 110 via the first connecting arm 160a, and the second screen 130b The back surface of the base 110 is rotatably connected to the base 110 via the connecting arm 160b. The mechanism and structure of the base 110 for restraining the first screen 130a and the second screen 130b will be described in detail in the following paragraphs. Here, only the function of the base 110 will be described first to avoid the content of this paragraph being too complicated.

FIGS. 2 to 4 are schematic side views of the dual-screen device 100 according to one or more embodiments of the present invention, respectively. In FIGS. 2 to 4 , the base 110 is disposed on the first screen 130a and the second screen 130b In between, the first screen 130a and the second screen 130b have their display surfaces as their front faces and their backs from the base 110 at the same time. In FIGS. 2 to 4 , the first screen 130a and the second screen 130b are located at different elevation positions, respectively. In FIG. 2, the display surface of the first screen 130a faces upward, and the display surface of the second screen 130b faces left, wherein the first screen 130a and the second screen 130b are separated by a distance D1, and the first connecting arm 160a and the second screen 130b are separated by a distance D1. The two connecting arms 160b form an angle θ1. In FIG. 3, the display surfaces of the first screen 130a and the second screen 130b are respectively facing the upper left side and the upper right side, wherein the first screen 130a and the second screen 130b are separated by a distance D2, and the first connecting arm 160a and the second connecting arm 160a are connected The arms 160b enclose an angle θ2. In FIG. 4, the display surface of the first screen 130a faces to the right, and the display surface of the second screen 130b faces the upper side, wherein the first screen 130a and the second screen 130b are separated by a distance D3, and the first connecting arm 160a and the second screen 130b are separated by a distance D3. The two connecting arms 160b form an angle θ3. It can be seen from FIGS. 2 to 4 that the first screen 130a and the second screen 130b can be rotated to different elevation positions respectively, and the first screen 130a and the second screen 130b are spaced apart at each elevation position without touching each other. contact or collide with each other due to excessive rotational force.

Please refer to FIG. 5. FIG. 5 shows an exploded view of some components of the dual-screen device 100 in FIG. 1 according to one or more embodiments of the present invention. Although the components shown in FIG. In actual use, each element is combined, and those with ordinary knowledge in the technical field to which the present disclosure pertains can understand the assembled state of each element after combination according to FIG. 5 , the description and other drawings. In some embodiments of the present invention, the base 110 includes a limiting shaft member 111, and the limiting shaft member 111 has a rotatable first rotating portion 111a and a rotatable second rotating portion 111b, the first rotating portion 111a and the second rotating portion 111b. The rotating parts 111b are respectively located at opposite ends of the long axis L of the limiting shaft 111 . The first rotating part 111a and the second rotating part 111b take the long axis L of the limiting shaft 111 as the central axis and are opposite to the long axis L turn. Specifically, the first rotating portion 111a and the second rotating portion 111b are respectively connected to both ends of the limiting shaft member 111 via bearings, but the invention is not limited thereto. In one or more embodiments of the present invention, the first screen 130a is connected to the first rotating part 111a, and the second screen 130b is connected to the second rotating part 111b. In this way, the first screen 130a and the second screen 130b can also rotate around the long axis L of the limiting shaft member 111 as the central axis, and the first screen 130a and the second screen 130b are coaxially pivoted to the limiting shaft member 111, thereby The user rotates and adjusts the positions of the first screen 130a and the second screen 130b relative to the base 110 and the orientation of the display surface, so as to facilitate viewing of the display surface of the first screen 130a or the second screen 130b. Besides, the first screen 130a and the second screen 130b are respectively connected to the first rotating part 111a and the second rotating part 111b of the limiting shaft 111 via the first connecting arm 160a and the second connecting arm 160b.

Besides, the limiting shaft 111 further has a mandrel 111c, wherein the mandrel 111c is disposed between the first rotating part 111a and the second rotating part 111b, that is, the first rotating part 111a and the second rotating part 111b are disposed At opposite ends of the mandrel 111c, the first rotating part 111a and the second rotating part 111b can rotate relative to the mandrel 111c, and the mandrel 111c is fixedly connected to other fixing structures of the base 110, such as a casing or other fixing structures Structure. Therefore, when the dual-screen device 100 of the present invention is placed on a plane through the base 110 , the first screen 130 a and the second screen 130 b can be relative to the first screen 130 a and the second screen 130 b via the first rotating part 111 a and the second rotating part 111 b of the limiting shaft 111 . The placed plane rotates, but the mandrel 111c of the limiting shaft 111 does not rotate relative to the placed plane. In addition, the mandrel 111c can provide torque to fix the first rotating part 111a and the second rotating part 111b, so that the first screen 130a and the second screen 130b connected to the first rotating part 111a and the second rotating part 111b are not applied When an external force is applied, it will not be pulled by gravity to rotate. Specifically, the inside of the mandrel 111c may include a torsion spring assembly connecting the first rotating part 111a and the second rotating part 111b, so that the mandrel 111c can continuously apply torsion force to the first rotating part 111a and the second rotating part 111b, and further The first screen 130a and the second screen 130b are made to resist the gravitational force and not rotate accordingly.

In one or more embodiments of the present invention, the limiting shaft member 111 further has a first arc-shaped blocking piece 113a and a second arc-shaped blocking piece 113b, and the first arc-shaped blocking piece 113a and the second arc-shaped blocking piece 113b The first screen 130a is connected to the first rotating part 111a through the first arc-shaped blocking piece 113a, and the second screen 130b is connected to the second rotating part 111b through the second arc-shaped blocking piece 113b. In other words, the first arc-shaped blocking piece 113a is connected between the first rotating part 111a and the first screen 130a, and the second arc-shaped blocking piece 113b is connected between the second rotating part 111b and the second screen 130b. Therefore, the first arc-shaped blocking piece 113a and the first screen 130a can rotate based on the first rotating part 111a at the same time, and the second arc-shaped blocking piece 113b and the second screen 130b can rotate based on the second rotating part 111b simultaneously. When the first arc-shaped blocking piece 113a and the second arc-shaped blocking piece 113b are mutually limited, the first screen 130a and the second screen 130b are separated by a minimum distance and kept separated without contact. Besides, the first arc-shaped blocking piece 113a and the second arc-shaped blocking piece 113b each have a circular arc concave surface facing and/or abutting the circular arc surface of the limiting shaft member 111, so that the first arc-shaped blocking piece 113a is convenient And the second arc-shaped blocking piece 113b rotates relative to the limiting shaft member 111 .

In one or more embodiments of the present invention, the first arc-shaped baffle 113a has a first Z-shaped leading edge F1, and the second arc-shaped baffle 113b has a second Z-shaped leading edge F2, wherein the first Z-shaped leading edge F2 The leading edge F1 at least partially abuts against the second Z-shaped leading edge F2. In actual operation, if the first screen 130a and the second screen 130b rotate relative to each other, the first Z-shaped front edge F1 and the second Z-shaped front edge F2 are also driven to move relative to each other.

Please refer to FIG. 6 and FIG. 7. FIG. 6 and FIG. 7 illustrate the limiting shaft 111, the first arc-shaped blocking piece 113a and the second arc-shaped in FIG. 5 according to one or more embodiments of the present invention. A schematic view of the assembly of the blocking piece 113b, wherein the first arc-shaped blocking piece 113a and the second curved blocking piece 113b at least partially abut each other. In FIG. 6, the first Z-shaped front edge F1 and the second Z-shaped front edge F2 partially touch each other, and the first screen 130a and the first screen 130a connected to the first arc-shaped blocking piece 113a and the second arc-shaped blocking piece 113b at this time The two screens 130b (please also refer to FIG. 1 ) can be pushed to rotate toward each other. In FIG. 7, the first Z-shaped front edge F1 and the second Z-shaped front edge F2 completely abut each other and limit each other, and the first screen 130a connected to the first arc-shaped blocking piece 113a and the second curved blocking piece 113b and the second screen 130b (please refer to FIG. 1 at the same time) will not be able to rotate towards each other because the first Z-shaped leading edge F1 and the second Z-shaped leading edge F2 resist each other. At this time, the first screen 130a and the second screen 130b They are separated by a minimum distance and can only be turned away from each other. Therefore, the first Z-shaped front edge F1 and the second Z-shaped front edge F2 can define the minimum distance between the first screen 130a and the second screen 130b, so as to prevent the first screen 130a and the second screen 130b from being moved by force collide with each other.

Please refer to FIGS. 5 to 7 again, the first connecting arm 160a includes a first fixing structure 161a, and the second connecting arm 160b includes a second fixing structure 161b. One side of the first arc-shaped blocking piece 113a (for example, the side away from the outer surface of the limiting shaft 111 ) is connected to the first fixing structure 161a, and the first curved blocking piece 113a is connected to the first screen via the first fixing structure 161a The backside of the 130a, that is, the first fixing structure 161a is connected between the first arc-shaped blocking piece 113a and the first screen 130a. One side of the second arc-shaped blocking piece 113b (eg, the side away from the outer surface of the limiting shaft 111 ) is connected to the second fixing structure 161b, and the second curved blocking piece 113b is connected to the second screen via the second fixing structure 161b The back of 130b (which can be opposite to the display surface of the second screen 130b), that is, the second fixing structure 161b is connected between the second arc-shaped blocking piece 113b and the second screen 130b, wherein the first fixing structure 161a and the second The fixing structure 161b extends in different directions (eg opposite directions) with the limiting shaft 111 as the center, whereby the display surfaces of the first screen 130a and the second screen 130b (please refer to FIG. 1 at the same time) face different directions. In FIG. 6, the extending direction E1 of the first fixing structure 161a and the extending direction E2 of the second fixing structure 161b are approximately 180 degrees apart, so that the display surfaces of the first screen 130a and the second screen 130b face opposite directions. In FIG. 7, the first arc-shaped blocking piece 113a and the second arc-shaped blocking piece 113b are mutually limited. At this time, the first fixing structure 161a and the second fixing structure 161b cannot be rotated toward each other. The extending direction E1 and the extending direction E2 of the second fixing structure 161b include a minimum angle (for example, 105 degrees or more, or the angle θ1, angle θ2 or angle θ3 in Fig. 2 to Fig. 4 ), and therefore connected to the first The first screen 130a and the second screen 130b (please refer to FIG. 1 ) of the fixing structure 161a and the second fixing structure 161b are also separated by a shortest distance, but the invention is not limited to this.

Besides, the first connecting arm 160a further includes an extension piece 163, wherein the extension piece 163 is disposed between the first arc-shaped blocking piece 113a and the first screen 130a, such as two sides of the extension piece 163 (eg opposite sides). ) respectively engage and/or lock the first arc-shaped blocking piece 113a and the first screen 130a. Thereby, the first arc-shaped blocking piece 113a, the extension piece 163 and the first screen 130a can rotate along with the first rotating portion 111a at the same time, but the invention is not limited to this. The length of the extension piece 163 affects the minimum interval between the first screen 130a and the second screen 130b , and the length of the minimum interval increases when the length of the extension piece 163 is longer. In other embodiments of the present invention, the extension member 163 is disposed between the second arc-shaped blocking piece 113b and the second screen 130b, for example, opposite sides of the extension member 163 are respectively engaged with and/or locked with the second arc The shaped blocking piece 113b and the second screen 130b, but the present invention is not limited to this.

To sum up, the dual-screen device of the present invention has a limit shaft member that can limit the first screen and the second screen, so that no matter how the first screen and the second screen rotate toward the limit shaft member, the limit shaft The design of the component can at least keep the first screen and the second screen separated from each other, thereby preventing the first screen and the second screen from touching each other or hitting each other due to excessive rotation force, and avoiding the first screen and the second screen. damaged.

Various embodiments of the present invention have been described above, and it should be understood that the various embodiments have been presented by way of example only, and not limitation. Numerous changes may be made to the embodiments of the present disclosure in light of the disclosure herein without departing from the spirit and scope of the present invention. Accordingly, the breadth and scope of the present invention should not be limited by the above-described embodiments.

100: Dual-screen installation 110: Base 111: Limit shaft 111a: The first rotating part 111b: Second rotating part 111c: Mandrel 113a: first arc baffle 113b: Second arc baffle 130a: First screen 130b: Second screen 160a: First connecting arm 160b: Second connecting arm 161a: First fixed structure 161b: Second fixed structure 163: Extensions D1, D2, D3: Spacing θ1, θ2, θ3: angle F1: First Z-shaped leading edge F2: Second Z-shaped leading edge L: long axis

To achieve the advantages and features described above, the principles briefly described above will be explained in more detail with reference to embodiments, which are illustrated in the accompanying drawings. These drawings illustrate the invention only by way of example and therefore do not limit the scope of the invention. The principles of the invention will be clearly explained, and additional features and details will be fully described, through the accompanying drawings, wherein: FIG. 1 is a schematic perspective view of a dual-screen device according to one or more embodiments of the present invention; 2 to 4 are schematic side views of a dual-screen device according to one or more embodiments of the present invention; FIG. 5 shows an exploded view of some elements of the dual-screen device of FIG. 1 in accordance with one or more embodiments of the present invention; and FIGS. 6 and 7 are schematic diagrams illustrating the assembly of the mandrel, the first arc-shaped blocking piece and the second curved blocking piece in FIG. 5 according to one or more embodiments of the present invention.

Domestic storage information (please note in the order of storage institution, date and number) none Foreign deposit information (please note in the order of deposit country, institution, date and number) none

100: Dual-screen installation

110: Base

130a: First screen

130b: Second screen

160a: First connecting arm

160b: Second connecting arm

Claims (10)

A limit shaft, comprising: mandrel; the first arc baffle; A second arc-shaped blocking piece, the first and second arc-shaped blocking pieces are coaxially pivoted on the mandrel, wherein the first arc-shaped blocking piece and the second arc-shaped blocking piece are used for relative to The mandrels rotate and selectively oppose each other. The limiting shaft according to claim 1, wherein the first arc-shaped blocking piece includes a first Z-shaped leading edge, the second arc-shaped blocking piece includes a second Z-shaped leading edge, wherein the first Z-shaped leading edge The leading edge at least partially abuts against the second Z-shaped leading edge. The limiting shaft member according to claim 1, wherein the limiting shaft member further has a rotatable first rotating part and a second rotating part, the first arc-shaped blocking piece is connected to the first rotating part, and the first rotating part is Two arc-shaped blocking pieces are connected to the second rotating part. The limiting shaft according to claim 3, wherein the first rotating part and the second rotating part are respectively located at opposite ends of the mandrel. The limiting shaft according to claim 1, wherein the first arc-shaped blocking piece and the second arc-shaped blocking piece each have a circular arc concave surface, and the circular arc concave surface faces the circular arc surface of the mandrel. A dual-screen device comprising: first screen; second screen; and A limiting shaft member for selectively limiting the first screen and the second screen, so that the first screen and the second screen are rotated relative to the limiting shaft member and kept spaced apart, wherein the limiting shaft Items include: mandrel; a first arcuate flap; and A second arc-shaped block, the first and second arc-shaped blocks are coaxially pivoted on the mandrel, and the first screen and the second screen are respectively connected to the first arc-shaped block and the A second arc-shaped blocking piece, wherein the first arc-shaped blocking piece and the second arc-shaped blocking piece rotate relative to the mandrel and selectively resist each other. The dual-screen device of claim 6, wherein the first arc-shaped baffle includes a first Z-shaped leading edge, the second arc-shaped baffle includes a second Z-shaped leading edge, wherein the first Z-shaped leading edge At least partially abut against the second Z-shaped leading edge. The dual-screen device according to claim 6, wherein the limiting shaft further has a rotatable first rotating part and a second rotating part, and the first screen is connected to the first rotating part through the first arc-shaped blocking piece , the second screen is connected to the second rotating part through the second arc-shaped blocking piece. The dual-screen device of claim 6, wherein each of the first arc-shaped blocking piece and the second arc-shaped blocking piece has a circular arc concave surface, and the circular arc concave surface faces the circular arc surface of the mandrel. The dual-screen device as claimed in claim 6, further comprising a first link arm and a second link arm, the first screen and the second screen are respectively connected to the first arc via the first link arm and the second link arm When the limiting shaft restricts the first screen and the second screen, the first connecting arm and the second connecting arm include a minimum angle.

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