CN208737812U - Display screen - Google Patents
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- CN208737812U CN208737812U CN201821151080.0U CN201821151080U CN208737812U CN 208737812 U CN208737812 U CN 208737812U CN 201821151080 U CN201821151080 U CN 201821151080U CN 208737812 U CN208737812 U CN 208737812U
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- Prior art keywords
- fastener
- support arm
- cabinet
- sliding slot
- holding section
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Abstract
The utility model relates to a kind of display screens.A kind of display screen includes cabinet, display module and lock-in component.Cabinet is equipped with the sliding slot of bar shaped.Display module is equipped with holding section and open keyhole.Lock-in component includes fastener and elastic component, and fastener can be partially housed in sliding slot and slide along the chute, and fastener can fasten with holding section and be fixedly connected with cabinet with display module.Fastener is equipped with inclined plane part and pushing portion, and inclined plane part is located in sliding slot and corresponding with the position of open keyhole.Pushing portion is located in the glide direction of fastener, one end of elastic component is abutted with fastener elasticity, the other end is abutted with the inner wall elasticity of cabinet, enable fastener and holding section clamping to provide an elastic anchorage force to fastener, wherein, one in inclined plane part and pushing portion can make fastener sliding so that fastener is separated with holding section after being pushed power.Above-mentioned display screen convenient for front and back safeguard and it is not easily to fall off.
Description
Technical field
The utility model relates to field of display screens, more particularly to a kind of display screen.
Background technique
With the continuous development of science and technology, LED display has generally entered the sight of people, and this display screen has height
Clearly, energy saving advantage, so being liked by people.
Current LED display, including box type LED display screen, indoor LED display, display screen body are multiple LED
Mould group is adsorbed on bracket using magnet, and magnetic is the problem of bad weather or external factor when shaking as being easy to fall off.In addition, mesh
Preceding LED display is usually to be only capable of safeguarding part from the front or behind of display module, is operated non-
It is often inconvenient.
Utility model content
Based on this, provide a kind of convenient for front and back maintenance and display screen not easily to fall off.
A kind of display screen, comprising:
Cabinet offers mounting hole, the sliding slot of bar shaped is equipped in the cabinet；
Display module, lid is located on the mounting hole, and covers the mounting hole, and the display module is equipped with engaging
Portion is also provided with open keyhole in the display module；
Lock-in component, including fastener and elastic component, the fastener are mounted on the cabinet, and can be along the cunning
The extending direction of slot slides, and the fastener and the holding section fasten and fix the cabinet and the display module and connect
It connects, the fastener is equipped with inclined plane part and pushing portion, and the extending direction of the relatively described sliding slot of the inclined plane part tilts, described oblique
The position of face is corresponding with the position of the open keyhole, and the pushing portion is located in the glide direction of the fastener, described
Elastic component is housed in the cabinet, and one end of the elastic component is abutted with the fastener elasticity, the other end and the cabinet
Inner wall elasticity abut, with to the fastener provide an elastic anchorage force and block the fastener mutually with the holding section
It holds, wherein one in the inclined plane part and the pushing portion is pushed the fastener sliding can be made after power so that institute
It states elastic component compression and separates the fastener with the holding section.
Display module can be separated or be connected with cabinet by the pushing portion of pressing display screen side by above-mentioned display screen,
Also display module can be separated or is connected with cabinet, display module is facilitated by the front open keyhole and inclined plane part of display screen
The installation and maintenance of monolith.Moreover, display module and cabinet pass through the interspersed connection of holding section and fastener, than tradition magnet
It is less easy to fall off that display module is adsorbed on the mode on cabinet, it is safer, display module is also screwed onto cabinet than traditional
Mode it is convenient.
Accommodation groove is also provided in the cabinet in one of the embodiments, the accommodation groove is communicated with the sliding slot,
One end of the elastic component is contained in the sliding slot and abuts with the fastener elasticity, and the other end is contained in the accommodation groove
Interior and with the accommodation groove cell wall elasticity abuts.
The fastener includes first support arm, second support arm and snap fit tabs in one of the embodiments, and described first
Support arm can be slidably contained in the sliding slot, and one end of the second support arm can be slidably contained in the sliding slot,
And it is affixed with one end of the first support arm, the snap fit tabs are formed in one of the first support arm far from the second support arm
End, and the snap fit tabs and the second support arm are located at the same side of the first support arm, the snap fit tabs can be with institute
It states holding section to fasten, one end of cell wall of the elastic component far from the accommodation groove and the first support arm are far from described second
The side elasticity of support arm abuts, and the pushing portion is located at the one end of the second support arm far from the first support arm, the inclined-plane
Portion is located at the middle part of the second support arm.
Engaging slot is also provided in the cabinet in one of the embodiments, it is remote that the engaging slot is located at the sliding slot
Side from the accommodation groove, the engaging slot are connected to the sliding slot, and the card and portion and the snap fit tabs can be received
It is dissolved in the engaging slot.
The holding section offers connecting hole in one of the embodiments, and the snap fit tabs can be partially housed in
In the connecting hole.
Skewed slot is offered in the middle part of the second support arm in one of the embodiments, the inclined plane part is the skewed slot
Cell wall.
Positioning protrusion, the positioning protrusion and the card are additionally provided in the first support arm in one of the embodiments,
It closes protrusion and is located at the opposite two sides of the first support arm, one end of cell wall of the elastic component far from the accommodation groove is arranged
In on the positioning protrusion.
The holding section is the protrusion for the bar shaped being formed in the display module in one of the embodiments, described
The extending direction of protrusion is parallel with the extending direction of the sliding slot, and the fastener is equipped with blocked hole, the blocked hole and institute
Protrusion is stated to match so that the shackle member can be with the holding section phase clamping.
The sliding slot has notch and the slot bottom opposite with the notch in one of the embodiments, and the notch is
Bar shaped, and along the extending direction of the sliding slot extend, the display screen further include be housed in the cabinet, and with the cabinet
The fixed plate being movably connected, the fixed plate lid are located on the sliding slot, so that the fastener is located at the sliding slot
Between slot bottom and the fixed plate, to prevent the fastener from deviating from from the notch of the sliding slot, the fixed plate offers fixed
Position hole, the position of the location hole are corresponding with the position of the inclined plane part.
The display module includes bottom plate and lamp plate in one of the embodiments, and the holding section is set to the bottom plate
On, the base plate cover is set on the mounting hole, and covers the mounting hole, and the lamp plate is located at the bottom plate far from the card
The side in conjunction portion, the open keyhole run through the lamp plate and the bottom plate.
Detailed description of the invention
Fig. 1 is the exploded view of the display screen of an embodiment；
Fig. 2 is the structural schematic diagram of display screen shown in FIG. 1；
Fig. 3 is sectional view of the Fig. 1 along A-A' line；
Fig. 4 is the structural schematic diagram of cabinet and lock-in component；
Fig. 5 is sectional view of the Fig. 4 along B-B' line；
Fig. 6 is the scheme of installation of display screen shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The section Example of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is discloses this utility model
Content is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the display screen 10 of an embodiment, including cabinet 110, display module 130 and sealed
Component 150.
The mounting hole 111 that cabinet 110 has accommodating chamber and communicates with accommodating chamber, the interior sliding slot 113 for being equipped with bar shaped of accommodating chamber.
Sliding slot 113 has notch and the slot bottom opposite with notch, and notch is bar shaped, and 113 extending direction extends along the chute, and notch leans on
Nearly mounting hole 111.Further, accommodation groove 115 is also provided in accommodating chamber, accommodation groove 115 is communicated with sliding slot 113.Further
Ground is also provided with engaging slot 117 in accommodating chamber, and engaging slot 117 is located at side of the sliding slot 113 far from accommodation groove 115, engaging slot
117 are connected to sliding slot 113.In the illustrated embodiment, accommodation groove 115 and the substantially bar shaped of engaging slot 117.
The lid of display module 130 is located on mounting hole 111, and covers mounting hole 111.In the illustrated embodiment, it shows
Mould group 130 is square block.Certainly, in other embodiments, the shape of display module 130 is not limited to square block, can also be
Other arbitrary shapes.
Further, open keyhole 131 and holding section 133 are additionally provided in display module 130.Open keyhole 131 is through display mould
Group 130.Further, open keyhole 131 is set to the center of display module 130 and runs through display module 130.Open keyhole 131 is arranged
The stress balance of display module 130 can be promoted in the center of display module 130, reinforces what display module 130 was connect with cabinet 110
Stability.
Further, display module 130 includes bottom plate 135 and lamp plate 137, and holding section 133 is set on bottom plate 135, lamp plate
137 are located at side of the bottom plate 135 far from holding section 133, and open keyhole 131 runs through lamp plate 137 and bottom plate 135.Open keyhole 131 is set to
It is between multiple lamp beads in display module 130 and smaller, it is difficult to find for non-maintenance personnel, can reduce display screen
Stolen risk.
Further, holding section 133 can be contained in engaging slot.Holding section 133 offers connecting hole 138.
Referring to Figure 4 together and Fig. 5, the substantially bar shaped of lock-in component 150, lock-in component 150 include fastener 151 and bullet
Property part 153.Fastener 151 is mounted on cabinet 110, and can along the chute 113 extending direction sliding.Fastener 151 can
It fastens with holding section 133 and is fixedly connected with cabinet 110 with display module 130.Fastener 151 is equipped with 154 He of inclined plane part
Pushing portion 155.Inclined plane part 154 is tilted with respect to the extending direction of sliding slot 113, the position of inclined plane part 154 and the position of open keyhole 131
It is corresponding.Pushing portion 155 is located in the glide direction of fastener 151.Elastic component 153 is housed in cabinet 110, elastic component 153
151 elasticity of one end and fastener abuts, the other end is abutted with the inner wall elasticity of cabinet 110, to give one bullet of offer of fastener 151
Property support force and make fastener 151 and 133 phase clamping of holding section.Wherein, one in inclined plane part 154 and pushing portion 155 by
Fastener 151 can be made to slide so that elastic component 153 compresses and separates fastener 151 with the holding section 133 after pushing power.
Specifically, lock-in component 150 is contained in accommodating chamber.Further, card and part 151, elastic component 153 are contained in
In accommodating chamber.One end of elastic component 153 is abutted with fastener 151 far from the side elasticity of pushing portion 155, the other end and cavity
Sidewall elastomer abuts, and enables fastener 151 and 133 phase clamping of holding section to provide an elastic anchorage force to fastener 151,
One in inclined plane part 154 and pushing portion 155 is pushed and after power fastener 151 can slide so that fastener 151 and card
Conjunction portion 133 separates.Further, fastener 151 can be partially housed in sliding slot 113, and fastener 151 can along the chute 113
Sliding.Further, one end of elastic component 153 is contained in sliding slot 113 and abuts with 151 elasticity of fastener, other end receiving
It is abutted in accommodation groove 115 and with the cell wall elasticity of accommodation groove 115.
Further, fastener 151 includes first support arm 157, second support arm 158 and snap fit tabs 159.First support arm
157 can slidably be contained in sliding slot 113.First support arm 157 and second support arm 158 are affixed.First support arm 157 is far from second
One end elasticity of cell wall of the side of support arm 158 with elastic component 153 far from accommodation groove 115 abuts.In the illustrated embodiment,
The substantially bar shaped of first support arm 157.
Second support arm 158 and the affixed one end of first support arm 157 can be slidably contained in sliding slot 113.Specifically,
Two support arms 158 are equipped with inclined plane part 154 and pushing portion 155.Inclined plane part 154 can be slidably contained in sliding slot 113, inclined plane part
154 are located at the middle part of second support arm 158.Further, the middle part of second support arm 158 offers skewed slot, and inclined plane part 154 is skewed slot
Cell wall.Further, inclined plane part 154 tilts with respect to the glide direction of fastener 151 and forms angle α, and α is acute angle.Scheming
In the embodiment shown, open keyhole 131 is set to the center of display module 130.Certainly, in other embodiments, open keyhole 131
Also it can be set in other positions, as long as can be corresponding with inclined plane part 154.
Pushing portion 155 is located at the one end of second support arm 158 far from first support arm 157.Further, pushing portion 155 is worn
In the side wall of cabinet 110, and can be moved on the extending direction of sliding slot 113.Pushing portion 155 can make card after being pushed power
Component 151 slides so that fastener 151 is separated with holding section 133.Pushing portion 155 is arranged in the side wall of cabinet 110 convenient for display
That is, when in use the use of screen 10 can manually press pushing portion 155, so that second support arm 158 is to close to elastic component 153
Direction movement, separated convenient for card and part 151 with holding section 133, thus realize cabinet 110 and display module 130 separation.It supports
Pushed section 155 is set to the side of cabinet 110, and non-maintenance personnel is generally difficult to know, can reduce the stolen risk of display screen 10.When
So, pushing portion 155 can also be contained in inside cabinet 110, then be needed at this time by other tools, in order to press pushing portion
155。
Snap fit tabs 159 are formed in the one end of first support arm 157 far from second support arm 158, and snap fit tabs 159 and second
Support arm 158 is located at the same side of first support arm 157, and snap fit tabs 159 can be contained in engaging slot 117, and can with engage
Hole 138 fastens and makes cabinet 110 and display module 130 affixed.Further, snap fit tabs 159 can be partially housed in
In connecting hole 138.
In the illustrated embodiment, snap fit tabs 159 and the interval of second support arm 158 are arranged.Certainly, in other embodiment party
In formula, snap fit tabs 159 and second support arm 158 can not also be spaced setting, as long as snap fit tabs 159 can be with holding section 133
Connection, and snap fit tabs 159 can move under the drive of second support arm 158 to the direction close to elastic component 153, so that card
Protrusion 159 is closed to separate with holding section 133.
Certainly, in other embodiments, it is also possible to first support arm 157 to be formed with far from one end of second support arm 158
Blocked hole, at this point, holding section 133 is the protrusion to match with blocked hole, the extending direction of raised extending direction and sliding slot is flat
Row, this protrusion can be placed in blocked hole and make cabinet 110 and display module 130 affixed.Inclined plane part 154 and pushing portion 155
In one pushed power after the protrusion can be enable to skid off from blocked hole and divide cabinet 110 with display module 130
From.
Be additionally provided with positioning protrusion 156 in first support arm 157 in one of the embodiments, positioning protrusion 156 with engage it is convex
It plays 159 and is located at the opposite two sides of first support arm 157, elastic component 153 is sheathed on positioning protrusion far from one end of accommodation groove 115
On 156.Elastic component 153, which is sheathed on positioning protrusion 156, can facilitate the repair and replacement of elastic component 153.In embodiment illustrated
In, elastic component 153 is spring.Certainly, in other embodiments, elastic component 153 can also be that elastic shape can occurs in other
The element of change, such as elastic slice.
Abutting part 1581, abutting part 1581 and pushing portion are additionally provided in second support arm 158 in one of the embodiments,
155 is adjacent, and abutting part 1581 is contained in cabinet 110, and abutting part 1581 can be abutted against with the side wall of cabinet 110 to prevent
Two arms 158 are moved to the direction far from elastic component 153, in order to which the external force for acting on inclined plane part 154 by open keyhole 131 more has
The effect of effect ground and second support arm 158, enable second support arm 158 to move to the direction close to elastic component 153, so that card
Protrusion 159 is closed to separate with connecting hole 138.
In wherein some embodiments, display screen 10 further includes being housed in cabinet 110, and movably with cabinet 110
The fixed plate 170 of connection, the lid of fixed plate 170 is located on sliding slot 113, so that fastener 151 is located at slot bottom and the fixation of sliding slot 113
Between plate 170, to prevent fastener 151 from deviating from from the notch of sliding slot 113.Fixed plate 170 offers location hole 171, location hole
171 position is corresponding with the position of inclined plane part 154.
Specifically, fixed plate 170 is spirally connected or is clamped with cabinet 110.In the illustrated embodiment, fixed plate 170 accommodates
In in accommodating chamber.Certainly, in other embodiments, fixed plate 170 can not also be contained in accommodating chamber, as long as fixed plate
170 can fastener 151 moved to close to the direction of display module 130.
Also referring to such as Fig. 6, above-mentioned display screen 10 during installation, presses pushing portion 155 or is inserted by unlocking tool 200
Entering open keyhole 131 and pressing inclined plane part 154 moves fastener 151 to the direction close to elastic component 153, then will show mould
The holding section 133 of group 130 is placed in accommodating chamber by mounting hole 111, then unclamps pushing portion 155, fastener 151 is in elastic component
It resets under the action of 153 elastic-restoring forces provided and fastener 151 is fastened with holding section 133, so that display
Mould group 130 and cabinet 110 are affixed.Above-mentioned display screen 10 presses pushing portion 155 or is inserted by unlocking tool 200 in disassembly
Open keyhole 131 simultaneously presses inclined plane part 154 fastener 151 is moved to close to the direction of elastic component 153, so that fastener 151
It separates, the holding section 133 of display module 130 is taken out from accommodating chamber, display module 130 is torn open with cabinet 110 with holding section 133
Unload completion.
Above-mentioned display screen 10 has at least the following advantages:
(1) sliding block principle is utilized, above-mentioned display screen 10 can be by pressing pushing portion 155, will from the side of display screen 10
Display module 130 is separated or is connected with cabinet 110, also can be by open keyhole 131 and inclined plane part 154, from display module 130
Display module 130 is separated or is connected with cabinet 110 by front, facilitates the front and back installation and maintenance of display module 130.
(2) display module 130 and cabinet 110 pass through the interspersed connection of holding section 133 and fastener 151, than tradition magnetic
The mode that display module 130 is adsorbed on cabinet 110 by iron is less easy to fall off, safer, also than traditional by display module 130
The mode for being screwed onto cabinet 110 is convenient.
(3) lock-in component 150 is fixed on cabinet 110 by fixed plate 170, is avoided and is being dismantled or installing display module
130 with cabinet 110 when due to being not fixed for lock-in component 150 bring it is inconvenient.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of display screen characterized by comprising
Cabinet offers mounting hole, the sliding slot of bar shaped is equipped in the cabinet；
Display module, lid is located on the mounting hole, and covers the mounting hole, and the display module is equipped with holding section, institute
It states and is also provided with open keyhole in display module；
Lock-in component, including fastener and elastic component, the fastener are mounted on the cabinet, and can be along the sliding slot
Extending direction sliding, the fastener fasten with the holding section and are fixedly connected with the cabinet with the display module,
The fastener is equipped with inclined plane part and pushing portion, and the extending direction of the relatively described sliding slot of the inclined plane part tilts, the inclined-plane
The position in portion is corresponding with the position of the open keyhole, and the pushing portion is located in the glide direction of the fastener, the bullet
Property part be housed in the cabinet, one end of the elastic component is abutted with the fastener elasticity, the other end and the cabinet
Inner wall elasticity abuts, and makes the fastener and the holding section phase clamping to provide an elastic anchorage force to the fastener,
Wherein, one in the inclined plane part and the pushing portion can make the fastener sliding so that the bullet after being pushed power
Property part compression and separate the fastener with the holding section.
2. display screen according to claim 1, which is characterized in that be also provided with accommodation groove, the accommodating in the cabinet
Slot is communicated with the sliding slot, and one end of the elastic component is contained in the sliding slot and abuts with the fastener elasticity, another
End is contained in the accommodation groove and abuts with the cell wall elasticity of the accommodation groove.
3. display screen according to claim 2, which is characterized in that the fastener include first support arm, second support arm and
Snap fit tabs, the first support arm can be slidably contained in the sliding slot, and one end of the second support arm can be slidably
It is contained in the sliding slot, and affixed with one end of the first support arm, it is remote that the snap fit tabs are formed in the first support arm
One end from the second support arm, and the snap fit tabs and the second support arm are located at the same side of the first support arm, institute
Stating snap fit tabs can fasten with the holding section, one end of cell wall of the elastic component far from the accommodation groove and described the
One support arm is abutted far from the side elasticity of the second support arm, and the pushing portion is located at the second support arm far from described first
One end of arm, the inclined plane part are located at the middle part of the second support arm.
4. display screen according to claim 3, which is characterized in that be also provided with engaging slot, the engaging in the cabinet
Slot position is connected in side of the sliding slot far from the accommodation groove, the engaging slot with the sliding slot, the card and portion and described
Snap fit tabs can be contained in the engaging slot.
5. display screen according to claim 3, which is characterized in that the holding section offers connecting hole, and the engaging is convex
Rising can be partially housed in the connecting hole.
6. according to the described in any item display screens of claim 3~5, which is characterized in that offered in the middle part of the second support arm
Skewed slot, the inclined plane part are the cell wall of the skewed slot.
7. display screen according to claim 6, which is characterized in that positioning protrusion is additionally provided in the first support arm, it is described
Positioning protrusion and the snap fit tabs two sides that be located at the first support arm opposite, the elastic component is far from the accommodation groove
One end of cell wall be sheathed on the positioning protrusion.
8. display screen according to claim 1, which is characterized in that the holding section is to be formed in the display module
The extending direction of the protrusion of bar shaped, the protrusion is parallel with the extending direction of the sliding slot, and the fastener is equipped with blocked hole,
The blocked hole matches with the protrusion so that the fastener can be with the holding section phase clamping.
9. display screen according to claim 1, which is characterized in that the sliding slot has notch and opposite with the notch
Slot bottom, the notch are bar shaped, and extend along the extending direction of the sliding slot that the display screen further includes being housed in the cabinet
Fixed plate that is interior, and being movably connected with the cabinet, the fixed plate lid is located on the sliding slot, so that the fastener
It is described to prevent the fastener from deviating from from the notch of the sliding slot between the slot bottom and the fixed plate of the sliding slot
Fixed plate offers location hole, and the position of the location hole is corresponding with the position of the inclined plane part.
10. display screen according to claim 1, which is characterized in that the display module includes bottom plate and lamp plate, the card
Conjunction portion is set on the bottom plate, and the base plate cover is set on the mounting hole, and covers the mounting hole, and the lamp plate is located at institute
Side of the bottom plate far from the holding section is stated, the open keyhole runs through the lamp plate and the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151080.0U CN208737812U (en) | 2018-07-19 | 2018-07-19 | Display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151080.0U CN208737812U (en) | 2018-07-19 | 2018-07-19 | Display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208737812U true CN208737812U (en) | 2019-04-12 |
Family
ID=66026322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821151080.0U Active CN208737812U (en) | 2018-07-19 | 2018-07-19 | Display screen |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910785A (en) * | 2019-11-27 | 2020-03-24 | 贵州电网有限责任公司 | Combined electronic signboard device |
| WO2022017352A1 (en) * | 2020-07-24 | 2022-01-27 | 深圳市洲明科技股份有限公司 | Led screen box body, and led screen |
-
2018
- 2018-07-19 CN CN201821151080.0U patent/CN208737812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910785A (en) * | 2019-11-27 | 2020-03-24 | 贵州电网有限责任公司 | Combined electronic signboard device |
| WO2022017352A1 (en) * | 2020-07-24 | 2022-01-27 | 深圳市洲明科技股份有限公司 | Led screen box body, and led screen |
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