Display system, display device and display connection device thereof

Abstract

A display system, a display device and a display connecting device thereof. The display device comprises a device housing, a knob, a limiting unit and a screen panel; the knob is rotatably connected to the device housing, wherein the knob comprises a latch portion and a plurality of teeth, and the knob is adapted to pivot between a first knob orientation and a second knob orientation; when the knob is in the first knob orientation, the latch portion protrudes out of the device housing; when the knob is in the second knob orientation, the latch portion is accommodated in the device housing; the limiting unit is arranged on the device housing and is adapted to connect at least one of the teeth to limit the knob; and the screen panel is detachably connected to the device housing. The display device has the advantage of convenient disassembly, and in particular, when a certain display in the middle position of the display system is damaged, the undamaged displays in the same row or column do not need to be removed, and the maintenance process is greatly simplified.

Description

Technical Field

[0001] The present invention relates to a display device, and more particularly to a display device that can be combined from multiple display devices to form a display system. Background Technology

[0002] Common display systems consist of multiple display devices arranged in a matrix to display large images. These display devices are typically connected to each other using locating pins or screws. However, this method of assembly using locating pins or screws is time-consuming, increasing installation and maintenance costs. In particular, if a display in the middle of the system fails, all undamaged displays in the same row or column must be removed before the damaged display can be accessed for repair, making the repair process very complicated.

[0003] Therefore, there is a need to provide a display system, a display device, and a display connection device to solve the above problems. Summary of the Invention

[0004] The present invention provides a display device to address problems in the prior art, comprising a device housing, a knob, a limiting unit, and a screen panel. The knob is rotatably connected to the device housing, and includes a latch and a plurality of teeth. 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 received within the device housing. The limiting unit is disposed in the device housing and is adapted to engage at least one of the teeth to limit the knob's position. The screen panel is detachably connected to the device housing.

[0005] In one embodiment, the teeth are ratchet teeth.

[0006] In one embodiment, the limiting unit includes a limiting block and a spring. One end of the spring abuts against the device housing, and the other end of the spring abuts against the limiting block. The limiting block is adapted to move between a first limiting block position and a second limiting block position. When the limiting block is in the first limiting block position, the limiting block engages at least one of the teeth. When the limiting block is in the second limiting block position, the limiting block releases the knob.

[0007] In one embodiment, the display device further includes a first connector slidably connected to the device housing. The first connector is adapted to move 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 received inside the device housing.

[0008] In one embodiment, the first connector is a power connector or a universal serial bus connector.

[0009] In one embodiment, the display device further includes a fastener and a cover plate, the cover plate being connected to the device housing, the fastener being pivotally connected to the first connector, and in a fastened state, the fastener engages the cover plate to restrict movement of the first connector relative to the device housing.

[0010] In one embodiment, the cover plate includes a first engaging groove and a second engaging groove. When the first connector is in the first connector position, the fastener is adapted to engage the first engaging groove, and when the first connector is in the second connector position, the fastener is adapted to engage the second engaging groove.

[0011] 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.

[0012] 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, and the bolts are adapted to slide along the second L-shaped groove, while the gripping portion is adapted to slide along the first L-shaped groove.

[0013] In one embodiment, the display device further includes a plurality of panel magnets and a plurality of connecting magnets, the panel magnets being disposed on a screen panel and the connecting magnets being disposed on a device housing, the panel magnets being adapted to be attracted by the connecting magnets so that the screen panel is detachably connected to the device housing.

[0014] In one embodiment, the display device further includes a plurality of fine-tuning screws, wherein the device housing also includes a plurality of screw seats, the fine-tuning screws engaging the screw seats, the connecting magnets being disposed on the fine-tuning screws, and the position of the connecting magnets relative to the device housing being adjusted by rotating the fine-tuning screws.

[0015] In one embodiment, the screen panel includes at least one panel fastening portion, and the device housing includes at least one housing fastening portion. In an unexpected state, the at least one housing fastening portion is adapted to fasten the at least one panel fastening portion to support the screen panel.

[0016] In one embodiment, the display device further includes an adapter card and a second connector, the adapter card being slidably connected to the device housing, and the second connector being disposed on the adapter card and adapted to connect to a screen panel.

[0017] 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, through which the bolts pass to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove.

[0018] 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 mounted on the at least one bracket, and each display device includes a device housing, a knob, a limiting 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 outside the device housing, and when the knob is in the second knob position, the latch is received within the device housing. The limiting unit is disposed on the device housing and is adapted to engage at least one of the teeth to limit the knob. The screen panel is detachably connected to the device housing. The knob is adapted to tightly connect two adjacent display devices.

[0019] In another embodiment, the present invention provides a display connection device, including a device housing, a knob, and a limiting 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 received inside the device housing. The limiting unit is disposed in the device housing, and the limiting unit is adapted to connect at least one of the teeth to limit the knob.

[0020] When a display device in the middle of the display system fails, a repair technician can perform the following steps to disassemble it. First, the screen panel is removed directly from the device housing. Next, the bolts on the hook are loosened, and the hook is pushed to disengage from the bracket. Then, the first connector is pushed to the second connector position, and the knob is rotated to the second knob position. Finally, the device housing can be removed directly. Compared with known technologies, the assembly and disassembly of the display device according to this invention is easier. In particular, when a display device in the middle of the display system fails, the undamaged displays in the same row or column do not need to be removed, greatly simplifying the repair process. Attached Figure Description

[0021] Figure 1 This invention demonstrates a display system according to an embodiment of the present invention.

[0022] Figure 2 An exploded view of a display device according to an embodiment of the present invention is shown.

[0023] Figure 3A The knob shown is an embodiment of the present invention.

[0024] Figure 3B This shows the detailed structure of the knob according to an embodiment of the present invention.

[0025] Figure 4A , Figure 4B The first connector of the display device shown in this embodiment of the invention is shown.

[0026] Figure 5A , Figure 5B This invention illustrates a hook according to an embodiment of the present invention.

[0027] Figure 5C This illustrates an embodiment of the present invention where a hook is combined with a bracket.

[0028] Figure 6A , Figure 6B This illustrates the fine-tuning screw according to an embodiment of the present invention.

[0029] Figure 6C This illustrates the panel magnet of an embodiment of the present invention.

[0030] Figure 7A , Figure 7B This invention illustrates the panel fastening portion and the housing fastening portion according to an embodiment of the present invention.

[0031] Figure 8A as well as Figure 8B This invention demonstrates an adapter card according to an embodiment of the present invention.

[0032] Explanation of key component symbols:

[0033] T Display System

[0034] D, D' display devices

[0035] 1, 1' Device housing

[0036] 111 First L-shaped groove

[0037] 112 Second L-shaped groove

[0038] 121 Connecting magnets

[0039] 122 Fine-tuning screw

[0040] 123 Screw base

[0041] 13 Housing fastening part

[0042] 17 screws

[0043] 19 Rubber pads

[0044] 2. Cover plate

[0045] 211 First engagement groove

[0046] 212 Second snap-fit ​​groove

[0047] 3 Screen Panel

[0048] 31 Panel Magnet

[0049] 33 Panel fastening part

[0050] 41 Knob

[0051] 411 Latch

[0052] 412 teeth

[0053] 42 Limiting Units

[0054] 421 Limit Block

[0055] 422 Spring

[0056] 5 First Connector

[0057] 51 Fasteners

[0058] 6 hooks

[0059] 61. Grip section

[0060] 62 Hook fastening part

[0061] 69 bolts

[0062] 7 Adapter Card

[0063] 71 Locking Hole

[0064] 79 Second Connector

[0065] B-bracket

[0066] B1 Installation Department Detailed Implementation

[0067] Figure 1 This illustrates a display system according to an embodiment of the present invention. (Refer to...) Figure 1 The display system T of this embodiment includes a plurality of display devices (D, D'), which are electrically connected to each other to provide a unified display image. The display devices (D, D') are mounted on a bracket B. Figure 1 In the diagram, display device D shows the complete device, while display device D' omits some components such as the display screen panel.

[0068] Figure 2 An exploded view of a display device according to an embodiment of the present invention is shown. (Refer to...) Figure 2 The display device D of this embodiment 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 covers the cover plate 2.

[0069] Figure 3A The knob shown is an embodiment of the present invention. Figure 3B This illustrates the detailed structure of the knob according to an embodiment of the present invention. (See accompanying reference.) Figure 3A , Figure 3B The display device D of this embodiment further includes a knob 41 and a limiting unit 42. The knob 41 is rotatably connected to the device housing 1, and 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 ( Figure 3A , Figure 3B The latch 411 protrudes outside the device housing 1. When the knob 41 is in the second knob position, the latch 411 is received inside the device housing 1. A limiting unit 42 is provided on the device housing 1, and the limiting unit 42 is adapted to connect at least one of the teeth 412 to limit the knob 41.

[0070] Matching reference Figure 3A , Figure 3B In one embodiment, the teeth 412 are ratchet teeth to provide a backlash prevention function. The foregoing disclosure does not limit the invention, and the shape of the teeth 412 may also be other forms.

[0071] Matching reference Figure 3A , Figure 3B In one embodiment, the limiting unit 42 includes a limiting 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 limiting block 421. The limiting block 421 is adapted to move between a first limiting block position and a second limiting block position. When the limiting block 421 is in the first limiting block position ( Figure 3A , Figure 3B The limit block 421 engages at least one of the teeth 412 to provide a backstop function. When the limit block 421 is in the second limit block position, the limit block 421 releases the knob 41.

[0072] Reference Figure 3B In one embodiment, the latch 411 is adapted to engage with the device housing 1' of another display device D', in which the display device D' has a rubber pad 19. The latch 411 abuts against the rubber pad 19.

[0073] Figure 4A , Figure 4B A first connector of a display device according to an embodiment of the present invention is shown. Reference numerals are provided. Figure 4A , Figure 4B In one embodiment, the display device D further includes a first connector 5, which is slidably connected to the device housing 1. The first connector 5 is adapted to move between a first connector position and a second connector position. When the first connector 5 is in the first connector position ( Figure 4A , Figure 4B The first connector 5 protrudes outside the device housing 1. When the first connector 5 is in the second connector position, the first connector 5 is housed inside the device housing 1.

[0074] Matching reference Figure 4A , Figure 4B In one embodiment, the first connector 5 may be a power connector or a universal serial bus connector.

[0075] Matching reference Figure 4A , Figure 4B In one embodiment, the display device D further includes a fastener 51, which is pivotally connected to the first connector 5. In a fastened state, the fastener 51 engages the cover plate 2 to restrict the movement of the first connector 5 relative to the device housing 1.

[0076] Matching reference Figure 4A , Figure 4B In one embodiment, the cover plate 2 includes a first fastening groove 211 and a second fastening groove 212. When the first connector 5 is in the first connector position, the fastener 51 is adapted to fasten the first fastening groove 211. When the first connector 5 is in the second connector position, the fastener 51 is adapted to fasten the second fastening groove 212.

[0077] Figure 5A , Figure 5B This illustrates a hook according to an embodiment of the present invention. (See accompanying reference.) Figure 5A as well as Figure 5B In one embodiment, the display device D 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.

[0078] Matching reference Figure 5A as well as Figure 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 adapted to slide along the second L-shaped grooves 112, while the gripping portion 61 is adapted to slide along the first L-shaped groove 111.

[0079] Figure 5C This illustrates an embodiment of the hook-and-bracket combination according to the present invention. (Refer to...) Figure 5C The hook 6 includes a hook engaging portion 62. The hook 6 is hung on the bracket B via the hook engaging portion 62. Specifically, the bracket B includes a hanging portion B1, and the hook engaging portion 62 is connected to the hanging portion B1. In the released state, the hook 6 can be slid to disengage the hook engaging portion 62 from the hanging portion B1.

[0080] Figure 6A , Figure 6B This illustrates the fine-tuning screw according to an embodiment of the present invention. Figure 6C This illustrates a panel magnet according to an embodiment of the present invention. (See accompanying reference.) Figure 6A , Figure 6B as well as Figure 6C In one embodiment, the display device D further includes a plurality of panel magnets 31 and a plurality of connecting magnets 121. The panel magnets 31 are disposed on the screen panel 3, and the connecting magnets 121 are disposed on the device housing 1. The panel magnets 31 are adapted to be attracted by the connecting magnets 121, thereby allowing the screen panel 3 to be detachably connected to the device housing 1.

[0081] Matching reference Figure 6A , Figure 6B as well as Figure 6C In one embodiment, the display device D further includes a plurality of fine-tuning screws 122, wherein the device housing 1 further includes a plurality of screw seats 123, the fine-tuning screws 122 engaging the screw seats 123, the connecting magnets 121 being disposed on the fine-tuning screws 122, and the position of the connecting magnets 121 relative to the device housing 1 being adjusted by rotating the fine-tuning screws 122.

[0082] Figure 7A , Figure 7B This illustrates the panel fastening portion and the housing fastening portion according to an embodiment of the present invention. (See accompanying reference.) Figure 7A as well as Figure 7B In one embodiment, the screen panel 3 includes at least one panel fastening part 33, and the device housing 1 includes at least one housing fastening part 13. In an unexpected state, the housing fastening part 13 is adapted to fasten the panel fastening part 33 to support the screen panel 3.

[0083] Figure 8A as well as Figure 8B This illustrates an adapter card according to an embodiment of the present invention. See also: [Compatibility Reference] Figure 8A , Figure 8BIn one embodiment, the display device D further includes an adapter card 7 and a second connector 79. The adapter card 7 is slidably connected to the device housing 1, and the second connector 79 is disposed on the adapter card 7 and adapted to connect to the screen panel 3. The adapter card 7 has a plurality of locking holes 71, which are spaced apart from the screw 17 with some clearance. Therefore, the adapter card 7 can slide moderately relative to the device housing 1, preventing damage to the connector during insertion and removal of the screen panel 3.

[0084] When a display in the middle of the display system T is damaged, a maintenance personnel can perform the following steps to disassemble the device using the display device of this invention. (See attached reference.) Figure 1 , Figure 3A , Figure 4A as well as Figure 5A First, remove the screen panel 3 directly from the device housing 1. Next, loosen the bolt 69 on the hook 6 and push the hook 6 to disengage it 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 removed directly. Compared with the prior art, the assembly and disassembly of the display device in this embodiment of the 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 do not need to be removed, greatly simplifying the repair process. Furthermore, the knob 41 is suitable for tightly and seamlessly connecting two adjacent display devices.

[0085] Although the present invention has been disclosed above with reference to specific preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope of the appended claims.

Claims

1. A display device comprising: A device housing; A knob is rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, the knob is adapted to pivot between a first knob position and a second knob position, wherein 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 received inside the device housing; A limiting unit, disposed in the device housing, adapted to connect at least one of the plurality of teeth to limit the knob; and A screen panel that is detachably connected to the device housing; The display device also includes a first connector that is slidably connected to the device housing. The first connector is adapted to move 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 housed inside the device housing.

2. The display device as claimed in claim 1, wherein, These teeth are ratchet teeth.

3. The display device as claimed in claim 1, wherein, The limiting unit includes a limiting block and a spring. One end of the spring abuts against the device housing, and the other end of the spring abuts against the limiting block. The limiting block is adapted to move between a first limiting block position and a second limiting block position. When the limiting block is in the first limiting block position, the limiting block engages at least one of the plurality of teeth. When the limiting block is in the second limiting block position, the limiting block releases the knob.

4. The display device of claim 1, further comprising a fastener and a cover plate, the cover plate being connected to the device housing, the fastener being pivotally connected to the first connector, and in a fastened state, the fastener engaging the cover plate to restrict movement of the first connector relative to the device housing.

5. The display device as claimed in claim 4, wherein, The cover plate includes a first engaging groove and a second engaging groove. When the first connector is in the first connector position, the fastener is adapted to engage the first engaging groove. When the first connector is in the second connector position, the fastener is adapted to engage the second engaging groove.

6. The display device as claimed in claim 1, further comprising a hook and two bolts, wherein, The hook includes a gripping portion, and the device housing includes a first L-shaped groove and two second L-shaped grooves. Two bolts pass through the two second L-shaped grooves to connect the hook to the device housing, and the gripping portion passes through the first L-shaped groove.

7. The display device as claimed in claim 6, wherein, In a tightened state, the two bolts are locked, and the relative position between the hook and the device housing is fixed. In a loosened state, the two bolts are loosened, and the two bolts are adapted to slide along the two second L-shaped grooves, while the gripping part is adapted to slide along the first L-shaped groove.

8. The display device as claimed in claim 1, further comprising a plurality of panel magnets and a plurality of connecting magnets, the plurality of panel magnets being disposed on the screen panel, the plurality of connecting magnets being disposed on the device housing, the plurality of panel magnets being adapted to be attracted by the plurality of connecting magnets thereby allowing the screen panel to be detachably connected to the device housing.

9. The display device of claim 8, further comprising a plurality of fine-tuning screws, wherein, The device housing also includes multiple screw seats, multiple fine-tuning screws are screwed into the multiple screw seats, and multiple connecting magnets are disposed on the multiple fine-tuning screws. By rotating the multiple fine-tuning screws, the position of the multiple connecting magnets relative to the device housing is adjusted.

10. The display device as claimed in claim 8, wherein, The screen panel includes at least one panel fastening portion, and the device housing includes at least one housing fastening portion, which is adapted to fasten the at least one panel fastening portion to support the screen panel.

11. The display device of claim 8, further comprising an adapter card and a second connector, the adapter card being slidably connected to the device housing, the second connector being disposed on the adapter card and adapted to connect to the screen panel.

12. A display system comprising: At least one support; as well as A plurality of display devices are mounted on the at least one bracket, wherein each display device includes: A device housing; A knob is rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, the knob is adapted to pivot between a first knob position and a second knob position, wherein 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 received inside the device housing; A limiting unit, disposed in the device housing, adapted to connect at least one of the plurality of teeth to limit the knob; and A screen panel is detachably connected to the device housing, wherein the knob is adapted to connect two adjacent display devices; Each display device further includes a first connector that is slidably connected to the device housing. The first connector is adapted to move 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 housed inside the device housing.

13. The display system of claim 12, wherein, The limiting unit includes a limiting block and a spring. One end of the spring abuts against the device housing, and the other end of the spring abuts against the limiting block. The limiting block is adapted to move between a first limiting block position and a second limiting block position. When the limiting block is in the first limiting block position, the limiting block engages at least one of the plurality of teeth. When the limiting block is in the second limiting block position, the limiting block releases the knob.

14. The display system of claim 12, wherein, Each display device also includes a fastener and a cover plate connected to the device housing. The fastener is pivotally connected to the first connector. In a fastened state, the fastener engages the cover plate to restrict the movement of the first connector relative to the device housing.

15. The display system of claim 14, wherein, The cover plate includes a first engaging groove and a second engaging groove. When the first connector is in the first connector position, the fastener is adapted to engage the first engaging groove. When the first connector is in the second connector position, the fastener is adapted to engage the second engaging groove.

16. The display system of claim 12, wherein, Each display device also includes a hook and two bolts, wherein the hook includes a grip portion, the device housing includes a first L-shaped groove and two second L-shaped grooves, the two bolts pass through the two second L-shaped grooves to connect the hook to the device housing, and the grip portion passes through the first L-shaped groove.

17. A display connection device, the display connection device comprising: A device housing; A knob rotatably connected to the device housing, wherein the knob includes a latch and a plurality of teeth, the knob being adapted to pivot between a first knob position and a second knob position, wherein 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 received within the device housing; and A limiting unit is disposed in the housing of the device, the limiting unit being adapted to connect at least one of the plurality of teeth to limit the knob; The display connection device further includes a first connector that is slidably connected to the device housing. The first connector is adapted to move 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 housed inside the device housing.

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