JP3246158U - dual screen display - Google Patents

Abstract

[Problem] To provide a dual screen display in which two screens are folded so as to be attached to each other, making it convenient for users to carry and improving the usage experience. [Solution] A first display screen 1 is electrically connected to a second display screen 2, and is mechanically linked to the second display screen via a hinge device 3. The hinge device also allows the first display screen to be rotated so that the front surface of the first display screen is attached to the front surface of the second display screen, and the rear surface of the first display screen is attached to the rear surface of the second display screen. As a result, the screens of the first display screen and the second display screen are on different viewing surfaces, allowing multiple people to view the screen from multiple sides, expanding the functionality of the display. [Selected Figure] Figure 1

Description

TECHNICAL FIELD The present invention relates to a display, and more particularly to a dual screen display applied in the technical field of display devices.

A display is a display tool that displays information on a screen and then reflects it back to the human eye, and is widely applied in fields such as learning, entertainment, and offices. With people's increasing demand for material culture, the size of display screens currently on the market cannot meet people's usage needs. In addition, if the display is too small, many people cannot view the display from multiple viewing angles, which will affect the display effect and worsen the user experience. Therefore, to meet people's needs, displays with dual screens appear.

However, all dual screen displays currently on the market are cover type, in which the first display screen and the second display screen are connected via a hinge, and the first display screen is connected to the second display screen. Provides the necessary torque when being turned over. This hinge can achieve the purpose of rotating the first display screen relative to the first display screen to open and close it, but is limited to the design of the housing of the first display screen and the second display screen. . Specifically, when the case of the first display screen and the case of the second display screen are opened to a certain angle, they interfere with each other and limit the angular range of opening. As a result, the dual screen display can only be viewed from the same side, and multiple people cannot view it from multiple sides, making the dual display less practical and resulting in a poor user experience.

In response to the problem that the dual screen display in the above-mentioned conventional technology can only view two screens on one side and the display angle of the other screen cannot be adjusted, the dual screen display of the present invention can rotate the first display screen via a hinge device so that the front of the first display screen is attached to the front of the second display screen and the back of the first display screen is attached to the back of the second display screen. This allows the screens of the first display screen and the second display screen to be placed on different viewing surfaces, allowing multiple people to view the screen from multiple sides, thereby expanding the functionality of the dual screen display. In addition, the first display screen and the second display screen can be folded and attached to each other, which is convenient for users to carry and improves the user experience.

In order to solve the above technical problem, the dual screen display according to the present invention includes a first display screen, a second display screen, and a hinge device, the first display screen being electrically connected to the second display screen. and connected to the second display screen via a hinge device;
The first display screen is attached to the front side of the first display screen and the front side of the second display screen, and is rotatable such that the back side of the first display screen is attached to the back side of the second display screen. It is.

Further, while the first display screen is rotating, the first display screen moves the second display screen via the hinge device to synchronously rotate toward the first display screen. .

Further, the hinge device includes a first connection assembly, a second connection assembly and a third connection assembly, the first connection assembly being fixedly connected to the first display screen, and the second connection assembly being fixedly connected to the first display screen. the third connection assembly is rotatably connected to the first connection assembly and the second connection assembly simultaneously;
When the first connection assembly rotates, the first connection assembly moves the second connection assembly through the third connection assembly to rotate in the same direction as the first connection assembly.

Further, the first connection assembly includes a first helical gear and a first connector, the second connection assembly includes a second helical gear and a second connector, and the third connection assembly includes a first helical gear and a first connector. Includes 3 helical gears,
The first connector is fixedly connected to the first display screen, the first helical gear is connected to the first connector, and the second connector is fixedly connected to the second display screen, and the first helical gear is fixedly connected to the second display screen. a two helical tooth gear connected to the second connector;
Since the first helical gear and the second helical gear are both meshed with the third helical gear, when the first helical gear rotates, the first helical gear engages with the third helical gear. The second helical gear is moved via the helical gear to rotate toward the first helical gear.

Furthermore, the hinge device further includes a fourth connector, and the third helical gear is provided with a central shaft integrally molded with the third helical gear,
Both ends of the central shaft pass through the two end faces of the third helical gear, both ends of the fourth connector are connected to the first connector and the second connector, and a central portion of the fourth connector is connected to the first connector and the second connector. , is crimped to the central shaft.

Furthermore, the fourth connector includes a first connecting plate, a second connecting plate, a third connecting plate, and a fourth connecting plate, and both left and right ends of the first connecting plate are connected to the first connector. The second connecting plate is connected to the second connector and located at a first end of the first helical gear and a first end of the second helical gear, and both left and right ends of the second connecting plate are connected to the first connector. and the second connector, and located at a second end of the first helical gear and a second end of the second helical gear,
The third connecting plate and the fourth connecting plate are provided on both sides of the third helical gear, and both ends of the third connecting plate and both ends of the fourth connecting plate are connected to the first connecting plate. The third connecting plate and the fourth connecting plate are fixedly connected to the second connecting plate, and each of the third connecting plate and the fourth connecting plate is provided with a mounting hole, and the mounting hole is provided so as to surround the central axis.

Furthermore, the third connecting plate and the fourth connecting plate both include a first connecting part and a second connecting part,
The first connection part and the second connection part are connected so that they can be split,
one end of the first connecting part is fixedly connected to the first connecting plate,
one end of the second connection part is fixedly connected to the second connection plate,
A first notch is provided at the other end of the first connector,
A second notch is provided at the other end of the second connector,
When the first connector and the second connector are butted together, the first notch and the second notch are combined to form the attachment hole.

Furthermore, the hinge device further includes an accommodation sleeve, one end of the first connection assembly, one end of the second connection assembly, and the third connection assembly are provided within the accommodation sleeve, and one end of the first connection assembly, one end of the second connection assembly, and the third connection assembly are provided within the accommodation sleeve, and The other end is fixedly connected to the first display screen, and the other end of the second connection assembly is fixedly connected to the second display screen.

Further, the stand further includes a stand rotatably connected to a central portion of the back surface of the second display screen to support the second display screen and the first display screen;
The stand is a U-shaped stand, and a cover board is provided on the back of the second display screen,
both ends of the stand are rotatably connected to both sides of the cover board;
When the stand is not unfolded, the stand is provided so as to surround the outer periphery of the cover board, and is in contact with the back surface of the second display screen.

Further, the dual screen display further includes a support mat, the first display further includes a first connecting edge, the second display further includes a second connecting edge, and the first connecting edge of the first display panel. the edge is rotatably connected to the second connection edge of the second display panel, the stand is provided on the back of the first display or the second display panel,
One end of the stand close to the first connecting edge or the second connecting edge is rotatably connected to the first display or the second display, and one end of the stand is rotatably connected to the first connecting edge or the second connecting edge of the stand. An attachment point is provided on the outer surface of one end farthest from the support mat, and the support mat is removably attached to the attachment point;
When the support mat is attached to the attachment location, the outer surface of the support mat protrudes from the outer surface of the stand.

Furthermore, the dual screen display further includes a display control key, the first display and the second display panel are rotatably connected, the first display further includes a first side, and the second The display further includes a second side;
The display control key includes a connecting end and a pressing end, and the first side or the second side is provided with a notch recessed inward,
The display control key is provided in the notch, and the connection end of the display control key is connected to the bottom surface of the notch, and the connection end of the display control key is connected from the tip of the connection end to the pressing end of the display control key. The length to the tip is equal to or less than the depth of the notch.

In the dual screen display according to the present invention, the front side of the first display screen is attached to the front side of the second display screen through a hinge device, and the back side of the first display screen is attached to the back side of the second display screen. Rotate it so that it sticks together. At the same time, when the first display screen rotates, the second display screen is simultaneously rotated toward the first display screen in conjunction with the hinge device. Furthermore, a stand is further provided on the back side of the second display screen. This allows the first display screen and the second display screen to be placed on different viewing surfaces, allowing multiple people to view the screen from multiple sides. The rotation angle of the second display screen is made the same as that of the second display screen to improve the smoothness of rotation between the two screens. In addition, the stand supports the display so as to make it stand up, improving the overall user experience.

1 is a front perspective view of a dual screen display according to the present invention; FIG. FIG. 3 is a rear perspective view of the dual screen display according to the present invention. FIG. 3 is an exploded view of the hinge device according to the present invention. FIG. 2 is a schematic diagram of a partial structure of a hinge device according to the present invention. FIG. 5 is an exploded view of FIG. 4; FIG. 3 is a perspective view of a fourth connector provided in the present invention; FIG. 3 is a perspective view of a second connector provided in the present invention; FIG. 3 is a front view of a first helical gear provided in the present invention. FIG. 9 is a cross-sectional view of FIG. 8; FIG. 3 is a folded perspective view of a dual screen display provided by the present invention. FIG. 2 is a structural schematic diagram of a dual screen display provided by the present invention;

In order to make the purpose, technical proposal, and effects of the present invention more clear, the present invention will be described in more detail below by way of examples with reference to the drawings. It is to be understood that the specific examples described herein are used only to illustrate the invention and are not used to limit the invention.

As shown in FIGS. 1-9, the dual screen display provided in the present invention may be used as an extended display or used alone. The dual screen display includes a first display screen 1, a second display screen 2 and a hinge device 3.

As shown in FIG. 1, the first display screen 1 is electrically connected to the second display screen 2 and mechanically coupled to the second display screen 2 via a hinge device 3. As shown in FIG. Further, the first display screen 1 can be rotated so that its front side is attached to the front side of the second display screen 2 and its back side is attached to the back side of the second display screen 2. As a result, the screen of the first display screen 1 and the screen of the second display screen 2 are located on different viewing surfaces, allowing multiple people to view the screen from multiple sides, thereby expanding the function of the display. In addition, the dual screen display of the present invention can be folded and pasted together, making it convenient for users to carry and enhance their usage experience.

In this embodiment, when the first display screen 1 rotates, the second display screen 2 is interlocked by the hinge device 3 and rotates synchronously toward the first display screen 1. On the other hand, the two screens of a conventional dual screen display have no interlocking effect and are inconvenient to use. In this embodiment, the second display screen 2 moves in conjunction with the rotation of the first display screen 1, and can rotate in directions facing each other. This eliminates the need to press one display screen and then rotate the other display screen during use, making it easier for the user to use.

In this embodiment, as shown in FIG. 3, the hinge device 3 includes a first connection assembly 31 fixedly connected to the first display screen 1 and a second connection assembly 32 fixedly connected to the second display screen 2. , a third connection assembly 33 rotatably connected to the first connection assembly 31 and the second connection assembly 32, respectively. While the first connection assembly 31 is rotating, the first connection assembly 31 moves the second connection assembly 32 via the third connection assembly 33 to rotate in the direction toward the first connection assembly 31 . By the synchronous rotation of the first connecting assembly 31, the second connecting assembly 32 and the third connecting assembly 33, the first display screen 1 and the second display screen 2 are moved and rotated. This interlocking structure rotates the first display screen 1 and the second display screen 2 synchronously, achieving a rotation of 0° to 180°, and the front side of the first display screen 1 and the second display screen 2. The front surface may be bonded together, and the back surface of the first display screen 1 and the back surface of the second display screen 2 may be bonded together.

In this embodiment, as shown in FIGS. 3 and 4, the first connection assembly 31 includes a first helical gear 311 and a first connector 312, the second connection assembly 32 includes a second helical gear 321 and a second connector 322, and the third connection assembly 33 includes a third helical gear 331. The first connector 312 is fixedly connected to the first display screen 1. The second connector 322 is fixedly connected to the second display screen 2. The first helical gear 311 and the second helical gear 321 are both meshed with the third helical gear 331. As a result, when the first helical gear 311 rotates, the first helical gear 311 moves the second helical gear 321 through the third helical gear 331 to rotate it toward the first helical gear 311. Due to the connection and rotation between the gears, the first display screen can move the second display screen through the transmission between the gears, and the structure is simple and the interlocking property is high. In addition, helical gears have good meshing performance, a high degree of polymerization, a long meshing time, and a large contact area, which reduces stress, makes transmission smoother, and increases economy. In addition, helical gears have a compact structure and a relatively ideal deceleration effect.

In this embodiment, as shown in FIGS. 3 and 4, the hinge device 3 further includes a fourth connector 34. The third helical gear 331 is provided with a central shaft 332 integrally formed therewith. Both ends of the central shaft 332 pass through two end surfaces of the third helical gear 331. Both ends of the fourth connector 34 are connected to the first connector 312 and the second connector 322. The fourth connector 34 mainly fixes the third helical gear 331 to prevent the third helical gear 331 from deteriorating the usage experience due to poor stability during rotation.

As shown in FIG. 6, the fourth connector 34 includes a first connecting plate 341, a second connecting plate 342, a third connecting plate 343, and a fourth connecting plate 344. Both left and right ends of the first connecting plate 341 are connected to the first connector 312 and the second connector 322, and are located at the first end of the first helical gear 311 and the first end of the second helical gear 321. are doing. Both left and right ends of the second connecting plate 342 are connected to the first connector 312 and the second connector 322, and are located at the second end of the first helical gear 311 and the second end of the second helical gear 321. are doing. The third connecting plate 343 and the fourth connecting plate 344 are provided on both sides of the third helical gear 331. Both ends of the third connecting plate 343 and both ends of the fourth connecting plate 344 are fixedly connected to the first connecting plate 341 and the second connecting plate 342. A mounting hole 3440 is provided in both the third connecting plate 343 and the fourth connecting plate 344. The attachment hole 3440 is provided so as to surround the central axis 332.

In this embodiment, as shown in FIG. 6, the third connecting plate 343 and the fourth connecting plate 344 both include a first connecting part 3441 and a second connecting part 3442. The first connection part 3441 and the second connection part 3442 are connected so that they can be split. The center portions of the first connecting plate 341 and the second connecting plate 342 of the fourth connector 34 are crimped to the central shaft 332 via the first connecting portion 3441 and the second connecting portion 3442. One end of the first connecting part 3441 is fixedly connected to the first connecting plate 341 , and one end of the second connecting part 3442 is fixedly connected to the second connecting plate 342 . A semicircular first notch 3443 is provided at the other end of the first connecting portion 3441 . A semicircular second notch 3444 is provided at the other end of the second connecting portion 3442 . When the first connecting portion 3441 and the second connecting portion 3442 are butted together, the first notch 3443 and the second notch 3444 are combined into one circle to form the aforementioned attachment hole 3440. By dividing the third connecting plate 343 and the fourth connecting plate 344 into two parts, the hinge device 3 can be more easily assembled. When the first connecting plate 341, the second connecting plate 342, the third connecting plate 343, and the fourth connecting plate 344 are integrally molded, the assembly of the first helical gear, the second helical gear, and the third helical gear is It will be inconvenient.

In this embodiment, as shown in FIGS. 3 and 4, the first connector 312 includes a first fixing shaft 3121 and a first fixture 3122. The hinge device 3 further includes a first nut 301. The first fixture 3122 is fixedly connected to one end of the first fixed shaft 3121. A first stopper portion 3120 is provided at one end of the first fixture 3122 that is close to the first fixed shaft 3121 . The first connecting plate 341 , the first helical gear 311 , and the second connecting plate 342 are sequentially attached to the first fixed shaft 3121 and are provided close to the first stopper part 3120 . The first connecting plate 341, the first helical gear 311, and the second connecting plate 342 are crimped between the first nut 301 and the first stopper part 3120. By pressing the first connecting plate 341, the first helical gear 311, and the second connecting plate 342 together with a nut, the second connecting plate 342 is prevented from falling off the first fixed shaft 3121, and the hinge device 3 The overall rotation can be made more stable. The first connector 312 includes a first fixing shaft 3121 and a first fixture 3122 to facilitate fixed connection between the hinge device 3 and the first display screen 1 and the second display screen 2. That is, by dividing the first connector 312 into a fixed connection area and a rotational connection area, it is clearly convenient for an assembler to assemble the hinge device.

In this embodiment, as shown in FIGS. 3 and 4, the first fixture 3122 includes a first fixing plate 3123 and a first connecting shaft 3124. The first stopper portion 3120 is provided at the connecting end of the first connecting shaft 3124. One end of the first fixing plate 3123 is fixedly connected to the first connecting shaft 3124 , and the other end of the first fixing plate 3123 is fixedly connected to the first display screen 1 . The first connecting shaft 3124 is for connecting the first fixed shaft 3121 and the first fixed plate 3123. That is, the first helical gear 311 is connected to the first connector 312 via the first connection shaft 3124. The installation of the first fixing plate 3123 facilitates assembly of the hinge device 3 and the display. By fixing using a plurality of bolts and nuts, the connection between the hinge device 3 and the display becomes stronger, and it does not break or fall even after long use, and is easy to remove. In this embodiment, since the first connecting shaft 3124 and the first fixed shaft 3121 are integrally molded, the first connecting shaft 3124 and the first fixed shaft 3121 are made stronger and can be easily molded.

In this embodiment, as shown in FIGS. 3 and 4, the second connector 322 includes a second fixing shaft 3221 and a second fixture 3222. The hinge device 3 further includes a second nut 302. The second fixture 3222 is fixedly connected to one end of the second fixed shaft 3221 and also fixedly connected to the second display screen 2 . A second stopper 3220 is provided between the second fixture 3222 and the connecting end of the second fixed shaft 3221. The first connecting plate 341 , the second helical gear 321 , and the second connecting plate 342 are sequentially connected to the second fixed shaft 3221 and are provided close to the second stopper part 3220 . The first connecting plate 341, the second helical gear 321, and the second connecting plate 342 are crimped by the second nut 302 between the second nut 302 and the second stopper portion 3220. The second stopper part 3220 prevents the first connecting plate 341 from falling off the second fixed shaft 3221. Further, the second nut 302 prevents the second connecting plate 342 from falling off the second fixed shaft 3221, and the rotation of the entire hinge device 3 becomes more stable. The second connector 322 includes a second fixing shaft 3221 and a second fixture 3222 that can more easily securely connect the hinge device 3, the first display screen 1, and the second display screen 2. That is, by dividing the second connector 322 into a fixed connection area and a pivot connection area, it is obviously easier for an assembler to assemble the hinge device 3.

In this embodiment, as shown in FIGS. 3 and 4, the second fixture 3222 includes a second fixing plate 3223 and a second connecting shaft 3224. The second stopper portion 3220 is provided at the connecting end of the second connecting shaft 3224. One end of the second fixing plate 3223 is fixedly connected to the second connecting shaft 3224 , and the other end of the second fixing plate 3223 is fixedly connected to the second display screen 2 . That is, the second helical gear 321 is connected to the second connector 322 via the second connection shaft 3224. The second connecting shaft 3224 is for connecting the second fixed shaft 3221 and the second fixed plate 3223. The installation of the second fixing plate 3223 facilitates assembly of the hinge device 3 and the display. By fixing using a plurality of bolts and nuts, the connection between the hinge device 3 and the display becomes stronger, and it does not break or fall even after long use, and is easy to remove. Since the second connecting shaft 3224 and the second fixed shaft 3221 in this embodiment are integrally molded, the first connecting assembly 31 and the second connecting assembly 32 are stronger and can be easily molded.

The first fixed shaft 3121 and the second fixed shaft 3221 are preferably provided as cylindrical bodies, and corresponding contact surfaces are provided on both sides of the cylindrical surfaces of the cylindrical bodies. The aforementioned gear is locked to a cylindrical body provided with a contact surface. Like the second fixed shaft 3221 illustrated in FIG. 7, the shape of the first fixed shaft 3121 is the same as that of the second fixed shaft 3221, and the cylindrical body is provided with a contact surface. Like the through hole 3111 in the cross-sectional view of the first helical gear 311 shown in FIG. 9, the through hole of the second helical gear 321 coincides with the first helical gear. In this way, the gear cannot rotate in the cylindrical body, and there is no need to provide a fastener for locking the gear to the fixed shaft. Such a structure has a long service life.

In this embodiment, as shown in FIGS. 3 and 4, the hinge device 3 further includes a fifth connecting plate 36. As shown in FIGS. One end of the fifth connecting plate 36 is connected to the first fixed shaft 3121 and is located between the first nut 301 and the first gasket 35 provided on the first connecting shaft 3121 . The other end of the fifth connecting plate 36 is connected to the second fixed shaft 3221 and located between the second nut 302 and the first gasket 35 provided on the second fixed shaft 3221 . The arrangement of the fifth connecting plate 36 enhances the stability between the first connecting assembly 31, the second connecting assembly 32, and the third connecting assembly 33.

In this embodiment, the first fixed shaft 3121 and the second fixed shaft 3221 are provided with at least one first gasket 35 and two or more second gaskets 37. The first gasket 35 is provided between the first helical gear 311 and the fifth connecting plate 36 and between the second helical gear 321 and the fifth connecting plate 36 . The second gasket 37 is provided between the fifth connecting plate 36 and the first nut 301 and between the fifth connecting plate 36 and the second nut 302.

In this embodiment, as shown in FIG. 3, the hinge device 3 further includes a housing sleeve 38. One end of the first connection assembly 31 , one end of the second connection assembly 32 , and the third connection assembly 33 are provided within the receiving sleeve 38 . The other end of the first connection assembly 31 is fixedly connected to the first display screen 1 . The other end of the second connection assembly 32 is fixedly connected to the second display screen 2 . Due to the aforementioned receiving sleeve 38, the overall appearance of the hinge device 3 is cleaner.

In this embodiment, the first display screen 1 and the second display screen 2 are connected via a signal transmission line 4, as shown in FIG. A signal transmission line 4 is installed through the hinge device 3 to facilitate the signal connection between the first display screen and the second display screen.

In this embodiment, as shown in FIGS. 1 and 2, since two hinge devices 3 are provided, the service life of the two display screens is longer.

In this embodiment, as shown in FIGS. 1 and 2, the first display screen 1 and the second display screen 2 can be turned upside down and do not occupy any position in the horizontal direction. The upper and lower screens can make viewing more comfortable for users.

In this embodiment, as shown in FIG. 2, the dual screen display further includes a stand 5 installed at the center of the back of the second display screen 2. The stand 5 is rotatably connected to the second display screen 2 and is used to support the second display screen 2 and the first display screen 1. Further, the rotatable angle of the stand 5 is 0° to 180°. The user can adjust the viewing angle of the entire display using the stand 5. If you do not install Stand 5, you will have no choice but to find another support or hold an extended screen in your hand. The stand 5 allows the display to stand on a platform such as a table, and is convenient for the user.

In this embodiment, as shown in FIGS. 1 and 2, the stand 5 described above is a U-shaped stand, and a cover board 6 is provided in a protruding manner on the back surface of the second display screen 2. Both ends of the U-shaped stand are rotatably connected to both sides of the cover board 6, providing high stability. The above-mentioned U-shaped stand is provided so as to surround the outer periphery of the cover board 6 and comes into contact with the back surface of the second display screen 2 when it is not unfolded.

In this embodiment, as shown in FIGS. 1 and 2, the second display screen 2 is provided with a connection interface 7 for connecting the entire display to an external power source or other device. There is one or more connection interfaces 7, and they can be a Type-C interface or a Type-A interface.

In this embodiment, the dual screen display further includes display control keys 8, as shown in FIG. The first display 1 includes a first side 11 , the second display 2 includes a second side 21 , the display control key 8 includes a connecting end and a pressing end, and the first side 11 or the second side 21 is provided with a notch 81 that is recessed inward. Display control key 8 is provided within cutout 81 . Further, the connecting end of the display control key 8 is connected to the bottom surface of the notch 81, and the length from the tip of the connecting end of the display control key 8 to the tip of the pressing end of the display control key 8 is equal to the depth of the notch 81. It is as follows. In other words, the notch 81 protects the display control key, making it difficult for the display control key to collide with the user, thereby preventing loss by the user and improving the user's usage experience. In this embodiment, when the notch 81 is provided on the first side 11, the depth of the notch 81 refers to the position from the side surface of the first side 11 to the bottom of the notch 81. When the notch 81 is provided on the second side 21, the depth of the notch 81 refers to a position that is open from the side surface of the second side 21 to the bottom of the notch 81.

In this embodiment, the dual screen display further includes a support mat 9, as shown in FIG. The first display 1 includes a first connecting edge 101 , the second display 2 includes a second connecting edge 201 , and the first connecting edge 101 of the first display panel 1 and the second connecting edge 201 of the second display panel 2 are connected to each other. are rotatably connected. The stand 5 is provided on the back side of the first display 1 or the second display panel 2. One end of the stand 5 close to the first connecting edge 101 or the second connecting edge 201 is rotatably connected to the first display 1 or the second display 2. An attachment point 91 is provided on the outer surface of one end of the stand 5 remote from the first connecting edge 101 or the second connecting edge 201 . The support mat 9 is removably attached to an attachment location 91. Furthermore, when the support mat 9 is attached to the attachment location 91, the outer surface of the support mat 9 protrudes from the outer surface of the stand 5. In other words, the support mat reduces wear on the support end of the stand, protects the support end of the stand, and the support mat is removably installed on the stand, so when the support mat wears out, the user can replace the support mat. It is convenient to do. The support mat in this example is preferably made of microflex material such as plastic, rubber or silicone.

As described above, in the dual screen display according to the present invention, the front side of the first display screen is attached to the front side of the second display screen by the hinge device, and the back side of the first display screen is attached to the front side of the second display screen. At the same time, the second display screen is moved and rotated toward the first display screen. Further, a stand is provided on the back side of the second display screen. This allows the first display screen and the second display screen to be placed on different viewing surfaces, allowing multiple people to view the screen from multiple sides. The rotation angle of the second display screen is made the same as that of the second display screen to improve the smoothness of rotation between the two screens. In addition, the stand supports the display so as to make it stand up, improving the overall user experience.

The application of the present invention is not limited to the above-mentioned examples. Improvements and modifications may occur to those skilled in the art based on the above description. All such improvements and modifications shall fall within the scope of the registered claims appended to this utility model.

1 First display screen 11 First side 101 First connecting edge 2 Second display screen 21 Second side 201 Second connecting edge 3 Hinge device 301 First nut 302 Second nut 31 First connecting assembly 311 First oblique Tooth gear 3111 Through hole 312 First connector 3120 First stopper part 3121 First fixed shaft 3122 First fixture 3123 First fixed plate 3124 First connecting shaft 32 Second connection assembly 321 Second diagonal gear 322 Second connector 3220 Second stopper part 3221 Second fixed shaft 3222 Second fixture 3223 Second fixed plate 3224 Second connecting shaft 33 Third connection assembly 331 Third helical gear 332 Central shaft 34 Fourth connector 341 First connecting plate 342 Second Connecting plate 343 Third connecting plate 344 Fourth connecting plate 3440 Mounting hole 3441 First connecting part 3442 Second connecting part 3443 First notch 3444 Second notch 35 First gasket 36 Fifth connecting plate 37 Second gasket 38 Accommodation sleeve 4 Signal transmission line 5 Stand 6 Cover board 7 Connection interface 8 Display control key 81 Notch 9 Support mat 91 Mounting location

Claims (10)

A dual screen display comprising a first display screen (1), a second display screen (2) and a hinge device (3), the display comprising:
the first display screen (1) is electrically connected to the second display screen (2) and coupled to the second display screen (2) via the hinge device (3);
In the first display screen (1), the front surface of the first display screen (1) is bonded to the front surface of the second display screen (2), and the back surface of the first display screen (1) is bonded to the second display screen (1). A dual screen display characterized by being rotatable so as to be attached to the back of a screen (2). While the first display screen (1) is rotating, the first display screen (1) moves the second display screen (2) via the hinge device (3) to display the first display screen. Dual screen display according to claim 1, characterized in that it is rotated synchronously towards the screen (1). The hinge device (3) includes a first connection assembly (31), a second connection assembly (32) and a third connection assembly (33),
The first connection assembly (31) is fixedly connected to the first display screen (1), the second connection assembly (32) is fixedly connected to the second display screen (2), and the third connection assembly (32) is fixedly connected to the second display screen (2). an assembly (33) is rotatably connected to the first connection assembly (31) and the second connection assembly (32);
When the first connection assembly (31) rotates, the first connection assembly (31) moves the second connection assembly (32) through the third connection assembly (33) to Dual screen display according to claim 1, characterized in that it is pivotable in the same direction as the connecting assembly (31). The first connection assembly (31) includes a first helical gear (311) and a first connector (312), and the second connection assembly (32) includes a second helical gear (321) and a second helical gear (321). a connector (322), the third connection assembly (33) including a third bevel gear (331);
The first connector (312) is fixedly connected to the first display screen (1), the first helical gear (311) is connected to the first connector (312), and the second connector (322) is connected to the first connector (312). ) is fixedly connected to the second display screen (2), the second helical gear (321) is connected to the second connector (322),
Since the first helical gear (311) and the second helical gear (321) are both meshed with the third helical gear (331), the first helical gear (311) rotates. Then, the first helical gear (311) moves the second helical gear (321) via the third helical gear (331) to rotate toward the first helical gear (311). The dual screen display according to claim 3, characterized in that the dual screen display has a dual screen display. The hinge device (3) further includes a fourth connector (34), and the third helical gear (331) has a central shaft (332) integrally formed with the third helical gear (331). established,
Both ends of the central shaft (332) pass through two end surfaces of the third helical gear (331), and both ends of the fourth connector (34) pass through the first connector (312) and the second connector. (322), a central portion of the fourth connector (34) is crimped to the central shaft (332),
The fourth connector (34) includes a first connecting plate (341), a second connecting plate (342), a third connecting plate (343), and a fourth connecting plate (344),
Both left and right ends of the first connecting plate (341) are connected to the first connector (312) and the second connector (322), and are connected to the first end of the first helical gear (311) and the first end of the first helical gear (311). located at the first end of the two helical gear (321),
Both left and right ends of the second connecting plate (342) are connected to the first connector (312) and the second connector (322), and are connected to the second end of the first helical gear (311) and the second end of the second connecting plate (342). Located at the second end of the two helical gear (321),
The third connecting plate (343) and the fourth connecting plate (344) are provided on both sides of the third helical gear (331),
Both ends of the third connecting plate (343) and both ends of the fourth connecting plate (344) are both fixedly connected to the first connecting plate (341) and the second connecting plate (342),
The third connecting plate (343) and the fourth connecting plate (344) are both provided with a mounting hole (3440), and the mounting hole (3440) is provided so as to surround the central axis (332). The dual screen display according to claim 4, characterized in that: The third connecting plate (343) and the fourth connecting plate (344) both include a first connecting part (3441) and a second connecting part (3442),
The first connection part (3441) and the second connection part (3442) are connected so that they can be split,
One end of the first connecting part (3441) is fixedly connected to the first connecting plate (341),
One end of the second connection part (3442) is fixedly connected to the second connection plate (342),
A first notch (3443) is provided at the other end of the first connection portion (3441),
A second notch (3444) is provided at the other end of the second connection portion (3442),
When the first connection part (3441) and the second connection part (3442) are butted together, the first notch (3443) and the second notch (3444) form the attachment hole (3440). The dual screen display according to claim 5, characterized in that the dual screen display is coupled in such a manner that The hinge device (3) further includes a housing sleeve (38), and one end of the first connection assembly (31), one end of the second connection assembly (32) and the third connection assembly (33) are connected to the The other end of the first connection assembly (31) is fixedly connected to the first display screen (1), and the other end of the second connection assembly (32) is provided in the housing sleeve (38). Dual screen display according to claim 3, characterized in that it is fixedly connected to a second display screen (2). The display screen further includes a stand (5) rotatably connected to a central portion of the back of the second display screen (2) to support the second display screen (2) and the first display screen (1). ,
The stand (5) is a U-shaped stand, and a cover board (6) is protruded from the back of the second display screen (2),
Both ends of the stand (5) are rotatably connected to both sides of the cover board (6),
The stand (5) is provided so as to surround the outer periphery of the cover board (6) when the stand (5) is not unfolded, and is in contact with the back surface of the second display screen (2). 1. The dual screen display according to 1. The dual screen display further includes a support mat (9), the first display (1) further includes a first connecting edge (101), and the second display (2) further includes a second connecting edge (201). further comprising, the first connecting edge (101) of the first display panel (1) is rotatably connected to the second connecting edge (201) of the second display panel (2), and the stand ( 5) is provided on the back of the first display (1) or the second display panel (2),
One end of the stand (5) close to the first connecting edge (101) or the second connecting edge (201) is rotatably connected to the first display (1) or the second display (2). , an attachment point (91) is provided on the outer surface of one end of the stand (5) remote from the first connection edge (101) or the second connection edge (201), and the support mat (9) is provided with an attachment point (91); removably attached to the attachment point (91);
Claim 8, characterized in that when the support mat (9) is attached to the attachment point (91), the outer surface of the support mat (9) protrudes from the outer surface of the stand (5). dual screen display. The dual screen display further includes a display control key (8), the first display (1) and the second display panel (2) are rotatably connected, and the first display (1) is connected to the second display panel (2). further comprising a first side (11), the second display (2) further comprising a second side (21);
The display control key (8) includes a connecting end and a pressing end, and the first side (11) or the second side (21) is provided with a notch (81) recessed inward. ,
The display control key (8) is provided in the cutout (81), and the connection end of the display control key (8) is connected to the bottom of the cutout (81), and the display control key (8) is connected to the bottom surface of the cutout (81). ) The length from the tip of the connecting end of the display control key (8) to the tip of the pressing end of the display control key (8) is less than or equal to the depth of the notch (81). display.