TWI845882B - Display system, display device and connection device thereof - Google Patents

Abstract

A display device is provided. The display device includes a device housing, a knob, a restriction unit and a display panel. The knob is rotatably connected to the device housing. The knob includes a latch and a plurality of teeth. The knob is adapted to be rotated between a first knob orientation and a second knob orientation. When the knob is in the first knob orientation, the latch protrudes out of the device housing. When the knob is in the second knob orientation, the latch is received in the device housing. The restriction unit is disposed on the device housing. The restriction unit is adapted to abut at least one of the teeth to restrict the knob. The display device can be easily disassembled.

Description

Display system, display device and display connection device thereof

The embodiment of the present invention is related to a display device, and in particular to a display device that can be combined into a display system by multiple display devices.

The known display system is composed of multiple display devices arranged in a matrix to display large image screens. The known display devices are connected to each other by positioning pins or screws. However, the known assembly method of fixing with positioning pins or screws takes a long time, which increases the installation and maintenance costs. In particular, when a display in the middle of the display system is damaged, the undamaged displays in the same row or column of the display must also be removed before the damaged display can be removed for maintenance, and the maintenance process is very complicated.

The embodiment of the present invention is to provide a display device for solving the problem of the prior art, including a device housing, a knob, a limit unit and a screen panel. The knob is rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, and the knob is adapted to pivot between a first knob position and a second knob position. When the knob is in the first knob position, the latch protrudes from the device housing, and when the knob is in the second knob position, the latch is accommodated in the device housing. The limiting unit is disposed on the device housing, and the limiting unit is suitable for connecting to at least one of the equal teeth to limit the knob. The screen panel is connected to the device housing in a detachable manner.

In one embodiment, the teeth are ratchets.

In one embodiment, the limit unit includes a limit block and a spring, one end of the spring abuts the device housing, and the other end of the spring abuts the limit block. The limit block is suitable for moving between a first limit block position and a second limit block position. When the limit block is in the first limit block position, the limit block engages at least one of the equal teeth. When the limit block is in the second limit block position, the limit block releases the knob.

In one embodiment, the display device further includes a first connector, which is slidably connected to the device housing, and is suitable for moving between a first connector position and a second connector position. When the first connector is in the first connector position, the first connector protrudes outside the device housing, and when the first connector is in the second connector position, the first connector is accommodated in the device housing.

In one embodiment, the first connector is a power connector or a Universal Serial Bus connector.

In one embodiment, the display device further includes a fastener and a cover plate, the cover plate is connected to the device housing, and the fastener is pivotally connected to the first connector. In a fastened state, the fastener fastens the cover plate to limit the movement of the first connector relative to the device housing.

In one embodiment, the cover includes a first snap-fit groove and a second snap-fit groove, and when the first connector is in the first connector position, the fastener is suitable for snapping the first snap-fit groove, and when the first connector is in the second connector position, the fastener is suitable for snapping the second snap-fit groove.

In one embodiment, the display device further includes a hook and two bolts, wherein the hook includes a gripping portion, the device housing includes a first L-shaped groove and two second L-shaped grooves, the bolts pass through the second L-shaped grooves to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove.

In one embodiment, in a tightened state, the bolts are locked, and the relative position between the hook and the device housing is fixed. In a loosened state, the bolts are loosened, the bolts are suitable for sliding along the second L-shaped grooves, and the grip is suitable for sliding along the first L-shaped groove.

In one embodiment, the display device further includes a plurality of panel magnets and a plurality of connecting magnets, wherein the panel magnets are disposed on the screen panel, and the connecting magnets are disposed on the device housing, and the panel magnets are adapted to be adsorbed by the connecting magnets so that the screen panel is connected to the device housing in a detachable manner.

In one embodiment, the display device further includes a plurality of fine-tuning screws, wherein the device housing further includes a plurality of screw seats, the fine-tuning screws are screwed into the screw seats, the connecting magnets are arranged on the fine-tuning screws, and the positions of the connecting magnets relative to the device housing are adjusted by rotating the fine-tuning screws.

In one embodiment, the screen panel includes at least one panel buckle joining portion, and the device housing includes at least one housing bucklejoining portion, and in an unexpected state, the housing bucklejoining portion is suitable for buckling the panel bucklejoining portion to support the screen panel.

In one embodiment, the display device further includes an adapter card and a second connector, the adapter card is slidably connected to the device housing, the second connector is disposed on the adapter card, and the second connector is suitable for connecting to the screen panel.

In another embodiment, the present invention provides a display device, including a device housing, a hook and two bolts. The hook includes a gripping portion. The device housing includes a first L-shaped groove and two second L-shaped grooves, the bolts pass through the second L-shaped grooves to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove.

In another embodiment, the present invention provides a display system, including at least one bracket and a plurality of display devices. The plurality of display devices are hung on the at least one bracket, and each display device includes a device housing, a knob, a limit unit, and a screen panel. The knob is rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, and the knob is suitable for pivoting between a first knob position and a second knob position. When the knob is in the first knob position, the latch protrudes from the device housing, and when the knob is in the second knob position, the latch is accommodated in the device housing. The limiting unit is disposed on the device housing, and the limiting unit is suitable for connecting at least one of the equal teeth to limit the knob. The screen panel is connected to the device housing in a detachable manner. The knob is suitable for tightly connecting two adjacent display devices.

In another embodiment, the present invention provides a display connection device, including a device housing, a knob and a limit unit. The knob is rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, and the knob is adapted to pivot between a first knob position and a second knob position. When the knob is in the first knob position, the latch protrudes outside the device housing, and when the knob is in the second knob position, the latch is accommodated in the device housing. A limit unit is provided on the device housing, and the limit unit is adapted to connect to at least one of the teeth to limit the knob.

When a display device in the middle of the display system is damaged by using the display device of the embodiment of the present invention, maintenance personnel can perform the following steps to disassemble it. First, remove the screen panel directly from the device housing. Then, loosen the bolts on the hook and push the hook to disengage the hook from the bracket. Then, push the first connector to the second connector position, and then rotate the knob to the second knob position. Finally, the device housing can be directly removed. Compared with the known technology, the assembly and disassembly method of the display device of the embodiment of the present invention is easier. In particular, when a monitor in the middle of the display system is damaged, the undamaged monitors in the same row or column do not need to be removed, greatly simplifying the repair process.

T: Display system

D, D’: Display device

1, 1’: device housing

111: First L-shaped groove

112: Second L-shaped groove

121: Connecting magnets

122: Fine-tuning screw

123: screw seat

13: Shell buckle part

17: Screws

19: Rubber pad

2: Cover plate

211: First snap-fit groove

212: Second snap-fitting groove

3: Screen panel

31: Panel magnet

33: Panel buckle part

41: Knob

411: 閂部

412: Teeth

42: Limiting unit

421: Limit block

422: Spring

5: First connector

51: Fasteners

6:Hook

61: Grip

62: Hook and buckle fastening part

69: Bolts

7: Adapter card

71: Locking hole

79: Second connector

B: Bracket

B1: Hanging Department

Figure 1 shows the display system of an embodiment of the present invention.

Figure 2 is an exploded view of a display device according to an embodiment of the present invention.

Figure 3A shows the knob of an embodiment of the present invention.

Figure 3B shows the detailed structure of the knob of an embodiment of the present invention.

Figures 4A and 4B show the first connector of the display device of the embodiment of the present invention.

Figures 5A and 5B show the hook of an embodiment of the present invention.

Figure 5C shows the hook combined with the bracket in an embodiment of the present invention.

Figures 6A and 6B show the fine-tuning screw of an embodiment of the present invention.

Figure 6C shows the panel magnet of an embodiment of the present invention.

Figures 7A and 7B show the panel buckle part and the shell buckle part of the embodiment of the present invention.

Figures 8A and 8B show the adapter card of an embodiment of the present invention.

FIG. 1 shows a display system of an embodiment of the present invention. Referring to FIG. 1, the display system T of the embodiment of the present invention includes a plurality of display devices (D, D'), which can be electrically connected to each other to provide an overall display image. The display devices (D, D') are hung on a bracket B. In FIG. 1, the display device D shows a complete device, and the display device D' omits some components such as the display screen panel.

FIG. 2 is an exploded view of a display device according to an embodiment of the present invention. Referring to FIG. 2, the display device D according to an embodiment of the present invention includes a device housing 1, a cover plate 2, and a screen panel 3. The cover plate 2 is connected to the device housing 1, and the screen panel 3 is covered on the cover plate 2.

FIG. 3A shows a knob of an embodiment of the present invention. FIG. 3B shows a detailed structure of a knob of an embodiment of the present invention. With reference to FIGS. 3A and 3B, the display device D of the embodiment of the present invention further includes a knob 41 and a limit unit 42. The knob 41 is rotatably connected to the device housing 1, wherein the knob 41 includes a latch 411 and a plurality of teeth 412. The knob 41 is adapted to pivot between a first knob position and a second knob position. When the knob 41 is in the first knob position (FIGS. 3A and 3B), the latch 411 protrudes from the device housing 1. When the knob 41 is in the second knob position, the latch 411 is received in the device housing 1. The limiting unit 42 is disposed on the device housing 1, and the limiting unit 42 is adapted to be connected to at least one of the equal teeth 412 to limit the knob 41. In this embodiment, the latch 411 and the equal teeth 412 rotate in the same direction as the knob 41.

With reference to Figures 3A and 3B, in one embodiment, the teeth 412 are ratchets to provide a non-return function. The above disclosure does not limit the present invention, and the shapes of the teeth 412 may also be other forms.

With reference to FIGS. 3A and 3B, in one embodiment, the limit unit 42 includes a limit block 421 and a spring 422, one end of the spring 422 abuts against the device housing 1, and the other end of the spring 422 abuts against the limit block 421. The limit block 421 is suitable for moving between a first limit block position and a second limit block position. When the limit block 421 is in the first limit block position (FIGS. 3A and 3B), the limit block 421 engages at least one of the equal teeth 412 to provide a non-return function. When the limit block 421 is in the second limit block position, the limit block 421 releases the knob 41.

Referring to FIG. 3B , in an embodiment, the latch 411 is suitable for buckling with the device housing 1’ of another display device D’. In one embodiment, the display device D’ has a rubber pad 19. The latch 411 abuts against the rubber pad 19.

Figures 4A and 4B show the first connector of the display device of the embodiment of the present invention. With reference to Figures 4A and 4B, in one embodiment, the display device D further includes a first connector 5, which is slidably connected to the device housing 1, and the first connector 5 is suitable for moving between a first connector position and a second connector position. When the first connector 5 is in the first connector position (Figures 4A and 4B), the first connector 5 protrudes from the device housing 1. When the first connector 5 is in the second connector position, the first connector 5 is accommodated in the device housing 1.

With reference to Figures 4A and 4B, in one embodiment, the first connector 5 can be a power connector or a Universal Serial Bus connector.

With reference to Figures 4A and 4B, in one embodiment, the display device further includes a fastener 51, which is pivotally connected to the first connector 5. In a fastened state, the fastener 51 fastens the cover 2 to limit the movement of the first connector 5 relative to the device housing 1.

With reference to Figures 4A and 4B, in one embodiment, the cover plate 2 includes a first buckling groove 211 and a second buckling groove 212. When the first connector 5 is in the first connector position, the fastener 51 is suitable for buckling the first buckling groove 211. When the first connector 5 is in the second connector position, the fastener 51 is suitable for buckling the second buckling groove 212.

Figures 5A and 5B show the hook of an embodiment of the present invention. With reference to Figures 5A and 5B, in one embodiment, the display device further includes a hook 6 and two bolts 69, wherein the hook 6 includes a gripping portion 61, the device housing 1 includes a first L-shaped groove 111 and two second L-shaped grooves 112, the bolts 69 pass through the second L-shaped grooves 112 to connect the hook 6 to the device housing 1, and the gripping portion 61 passes through the first L-shaped groove 111.

With reference to FIGS. 5A and 5B, in one embodiment, in a tightened state, the bolts 69 are locked, and the relative position between the hook 6 and the device housing 1 is fixed. In a loosened state, the bolts 69 are loosened, and the bolts 69 are suitable for sliding along the second L-shaped grooves 112, and the gripping portion 61 is suitable for sliding along the first L-shaped groove 111.

FIG. 5C shows the hook combined with the bracket of the embodiment of the present invention. Referring to FIG. 5C, the hook 6 includes a hook buckle portion 62. The hook 6 is hung on the bracket B through the hook buckle portion 62. Specifically, the bracket B includes a hanging portion B1, and the hook buckle portion 62 is connected to the hanging portion B1. In the loose state, the hook 6 can be slid to make the hook buckle portion 62 detach from the hanging portion B1.

Figures 6A and 6B show the fine-tuning screws of the embodiment of the present invention. Figure 6C shows the panel magnet of the embodiment of the present invention. With reference to Figures 6A, 6B and 6C, in one embodiment, the display device further includes a plurality of panel magnets 31 and a plurality of connecting magnets 121, the panel magnets 31 are arranged on the screen panel 3, the connecting magnets 121 are arranged on the device housing 1, and the panel magnets 31 are suitable for being adsorbed by the connecting magnets 121, thereby the screen panel 3 is connected to the device housing 1 in a detachable manner.

With reference to FIGS. 6A, 6B and 6C, in one embodiment, the display device further comprises a plurality of fine-tuning screws 122, wherein the device housing further comprises a plurality of screw seats 123, the fine-tuning screws 122 are screwed into the screw seats 123, the connecting magnets 121 are arranged on the fine-tuning screws 122, and by rotating the fine-tuning screws 122, the positions of the connecting magnets 121 relative to the device housing 1 are adjusted.

Figures 7A and 7B show the panel buckle part and the shell buckle part of an embodiment of the present invention. With reference to Figures 7A and 7B, in one embodiment, the screen panel 3 includes at least one panel buckle part 33, and the device shell 1 includes at least one shell buckle part 13. In an unexpected state, the shell buckle part 13 is suitable for buckling the panel buckle part 33 to support the screen panel 3.

Figures 8A and 8B show the adapter card of the embodiment of the present invention. With reference to Figures 8A and 8B, in one embodiment, the display device further includes an adapter card 7 and a second connector 79, the adapter card 7 is connected to the device housing 1 in a slidable manner, the second connector 79 is arranged on the adapter card 7, and the second connector 79 is suitable for connecting the screen panel 3. The adapter card 7 has a plurality of locking holes 71, and the distance between the locking holes 71 and the screws 17 has a clearance, so the adapter card 7 can slide appropriately relative to the device housing 1 to prevent the screen panel 3 from damaging the connector during the plug-in and unplug process.

When a display device in the middle position of the display system T is damaged by using the display device of the embodiment of the present invention, maintenance personnel can perform the following steps to disassemble it. Refer to Figures 1, 3A, 4A and 5A. First, remove the screen panel 3 directly from the device housing 1. Then, loosen the bolt 69 on the hook 6, and push the hook 6 to disengage the hook from the bracket B. Then, push the first connector 5 to the second connector position, and then rotate the knob 41 to the second knob position. Finally, the device housing 1 can be directly removed. Compared with the known technology, the assembly and disassembly method of the display device of the embodiment of the present invention is easier. In particular, when a display in the middle of the display system T is damaged, the undamaged displays in the same row or column of the display do not need to be removed, and the repair process is greatly simplified. The knob 41 is suitable for tightly and seamlessly connecting two adjacent display devices.

Although the present invention has been disclosed as above with a specific preferred embodiment, it is not intended to limit the present invention. Anyone familiar with this technology can still make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of the patent application attached hereto.

D: Display device

1: Device housing

41: Knob

42: Limiting unit

Claims (20)

A display device comprises: a device housing; a knob connected to the device housing in a rotatable manner, wherein the knob comprises a latch and a plurality of teeth, the latch and the teeth rotate in the same direction as the knob, and the knob is adapted to pivot between a first knob position and a second knob position, and when the knob is in the first knob position , the latch protrudes from the device housing, and when the knob is in the second knob position, the latch is accommodated in the device housing; a limiting unit is provided in the device housing, and the limiting unit is suitable for connecting at least one of the teeth to limit the knob; and a screen panel is detachably connected to the device housing. A display device as claimed in claim 1, wherein the teeth are ratchets. As in claim 1, the display device, wherein the limit unit includes a limit block and a spring, one end of the spring abuts against the device housing, and the other end of the spring abuts against the limit block, the limit block is suitable for moving between a first limit block position and a second limit block position, when the limit block is in the first limit block position, the limit block engages at least one of the equal teeth, and when the limit block is in the second limit block position, the limit block releases the knob. The display device of claim 1 further includes a first connector, which is slidably connected to the device housing, and is suitable for moving between a first connector position and a second connector position. When the first connector is in the first connector position, the first connector protrudes outside the device housing, and when the first connector is in the second connector position, the first connector is accommodated in the device housing. The display device of claim 4 further includes a fastener and a cover plate, the cover plate is connected to the device housing, the fastener is pivotally connected to the first connector, and in a fastened state, the fastener fastens the cover plate to limit the movement of the first connector relative to the device housing. As in claim 5, the display device, wherein the cover includes a first snap-fit groove and a second snap-fit groove, when the first connector is in the first connector position, the fastener is suitable for snapping the first snap-fit groove, and when the first connector is in the second connector position, the fastener is suitable for snapping the second snap-fit groove. The display device of claim 1 further comprises a hook and two bolts, wherein the hook comprises a gripping portion, the device housing comprises a first L-shaped groove and two second L-shaped grooves, the bolts pass through the second L-shaped grooves to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove. As in claim 7, the display device, wherein in a tightened state, the bolts are locked, the relative position between the hook and the device housing is fixed, and in a loosened state, the bolts are loosened, the bolts are suitable for sliding along the second L-shaped grooves, and the grip is suitable for sliding along the first L-shaped groove. The display device of claim 1 further comprises a plurality of panel magnets and a plurality of connecting magnets, wherein the panel magnets are arranged on the screen panel, and the connecting magnets are arranged on the device housing, and the panel magnets are suitable for being adsorbed by the connecting magnets so that the screen panel is connected to the device housing in a detachable manner. The display device of claim 9 further comprises a plurality of fine-tuning screws, wherein the device housing further comprises a plurality of screw seats, the fine-tuning screws are screwed into the screw seats, the connecting magnets are arranged on the fine-tuning screws, and the positions of the connecting magnets relative to the device housing are adjusted by rotating the fine-tuning screws. A display device as claimed in claim 9, wherein the screen panel includes at least one panel buckling portion, and the device housing includes at least one housing buckling portion, and in an unexpected state, the housing buckling portion is suitable for buckling the panel buckling portion to support the screen panel. The display device of claim 9 further includes an adapter card and a second connector, wherein the adapter card is slidably connected to the device housing, and the second connector is disposed on the adapter card, and the second connector is suitable for connecting to the screen panel. A display system includes: at least one bracket; a plurality of display devices hung on the at least one bracket, wherein each display device includes: a device housing; a knob rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, the latch and the teeth rotate in the same direction as the knob, and the knob is adapted to pivot between a first knob position and a second knob position, and when the knob is in the first rotation position, the knob is in the second rotation position. When the knob is in the first knob position, the latch protrudes outside the device housing, and when the knob is in the second knob position, the latch is accommodated in the device housing; a limit unit is provided on the device housing, the limit unit is suitable for connecting at least one of the equal teeth to limit the knob; and a screen panel is detachably connected to the device housing, wherein the latch of the knob is suitable for directly connecting two adjacent display devices to each other. As in the display system of claim 13, the limit unit includes a limit block and a spring, one end of the spring abuts against the device housing, and the other end of the spring abuts against the limit block, the limit block is suitable for moving between a first limit block position and a second limit block position, when the limit block is in the first limit block position, the limit block engages at least one of the equal teeth, and when the limit block is in the second limit block position, the limit block releases the knob. As in the display system of claim 13, each display device further includes a first connector, the first connector is slidably connected to the device housing, the first connector is suitable for moving between a first connector position and a second connector position, when the first connector is in the first connector position, the first connector protrudes outside the device housing, when the first connector is in the second connector position, the first connector is accommodated in the device housing. As in the display system of claim 15, each display device further includes a fastener and a cover plate, the cover plate is connected to the device housing, the fastener is pivotally connected to the first connector, and in a fastened state, the fastener fastens the cover plate to limit the movement of the first connector relative to the device housing. As in the display system of claim 16, wherein the cover includes a first snap-fit groove and a second snap-fit groove, and when the first connector is in the first connector position, the snap-fit member is adapted to snap-fit the first snap-fit groove, and when the first connector is in the second connector position, the snap-fit member is adapted to snap-fit the second snap-fit groove. As in claim 13, the display system, wherein each display device further comprises a hook and two bolts, wherein the hook comprises a gripping portion, the device housing comprises a first L-shaped groove and two second L-shaped grooves, the bolts pass through the second L-shaped grooves to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove. A display connection device comprises: a device housing; a knob connected to the device housing in a rotatable manner, wherein the knob comprises a latch and a plurality of teeth, the latch and the teeth rotate in the same direction as the knob, the knob is adapted to pivot between a first knob position and a second knob position, when the knob is in the first knob position, the latch protrudes outside the device housing, when the knob is in the second knob position, the latch is accommodated in the device housing; and a limiting unit provided in the device housing, the limiting unit being adapted to connect to at least one of the teeth to limit the knob. The display connection device of claim 19 further includes a first connector, which is slidably connected to the device housing, and is suitable for moving between a first connector position and a second connector position. When the first connector is in the first connector position, the first connector protrudes outside the device housing, and when the first connector is in the second connector position, the first connector is accommodated in the device housing.

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