CN115273688B - LED display unit and LED display device with same - Google Patents

LED display unit and LED display device with same Download PDF

Info

Publication number
CN115273688B
CN115273688B CN202211117071.0A CN202211117071A CN115273688B CN 115273688 B CN115273688 B CN 115273688B CN 202211117071 A CN202211117071 A CN 202211117071A CN 115273688 B CN115273688 B CN 115273688B
Authority
CN
China
Prior art keywords
led display
plate
display unit
mounting plate
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211117071.0A
Other languages
Chinese (zh)
Other versions
CN115273688A (en
Inventor
王定芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leyard TV Technology Co Ltd
Original Assignee
Leyard TV Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leyard TV Technology Co Ltd filed Critical Leyard TV Technology Co Ltd
Priority to CN202211117071.0A priority Critical patent/CN115273688B/en
Publication of CN115273688A publication Critical patent/CN115273688A/en
Application granted granted Critical
Publication of CN115273688B publication Critical patent/CN115273688B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The invention provides an LED display unit and an LED display device with the same, wherein the LED display unit comprises: the LED lamp strips are arranged in parallel, and each LED lamp strip extends along the transverse direction; the flexible connecting cables are arranged at the rear sides of the LED lamp strips and extend in the vertical direction, and each LED lamp strip is connected to the flexible connecting cable; the first connecting structure is in locking connection with the top end of the flexible connecting rope and can be connected with an external fixed matrix; the second connection structure is matched with the structure of the first connection structure, is connected with the bottom end of the flexible connecting rope in a locking mode, and can be connected with an external fixing base body. According to the technical scheme, the problems of complex operation and low installation efficiency in the process of installing the LED display device on the external fixed substrate in the related technology can be effectively solved.

Description

LED display unit and LED display device with same
Technical Field
The invention relates to the field of LED display devices, in particular to an LED display unit and an LED display device with the same.
Background
In the related art, a light bar type LED display device is generally connected to an external fixing base body through a longitudinal connection frame or a transverse connection frame provided at a rear side of the LED display device, and in particular, the transverse connection frame and the longitudinal connection frame are connected to the external fixing base body through a plurality of fastening screws provided at intervals along a length direction thereof.
Because the weight of the transverse connecting frame and the longitudinal connecting frame is larger, the LED display device is required to be fixed on an external fixing base body through more fastening screws, namely, the connecting points are more, and the problems of complex operation and low installation efficiency are solved.
Disclosure of Invention
The invention mainly aims to provide an LED display unit and an LED display device with the same, so as to solve the problems of complex operation and low installation efficiency in the process of installing the LED display device on an external fixed substrate in the related art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an LED display unit including: the LED lamp strips are arranged in parallel, and each LED lamp strip extends along the transverse direction; the flexible connecting cables are arranged at the rear sides of the LED lamp strips and extend in the vertical direction, and each LED lamp strip is connected to the flexible connecting cable; the first connecting structure is in locking connection with the top end of the flexible connecting rope and can be connected with an external fixed matrix; the second connection structure is matched with the structure of the first connection structure, is connected with the bottom end of the flexible connecting rope in a locking mode, and can be connected with an external fixing base body.
Further, the first connecting structure comprises a first base body and a first clamping piece arranged on the first base body, and the first clamping piece is positioned between two adjacent LED light bars and clamps the flexible connecting rope.
Further, the first clamping piece comprises a first fixed clamping plate and a first movable clamping plate, the first fixed clamping plate is arranged on the first base body, and the flexible connecting cable is clamped between the first fixed clamping plate and the first movable clamping plate.
Further, the first base member includes first diaphragm and the first riser of being connected with first diaphragm, and first clamping piece is located one side of first riser towards the LED lamp strip, is provided with first wire passing hole on the first diaphragm, and first connection structure is still including setting up the first clamp plate in one side that the LED lamp strip was kept away from to first riser, and the top of flexible connection rope passes first wire passing hole and presss from both sides and establish between first riser and first clamp plate.
Further, the first base body comprises a first transverse plate, and the first connecting structure further comprises an inserting plate arranged below the first transverse plate, wherein the inserting plate is arranged at an angle with the first transverse plate.
Further, the first base member includes first diaphragm, and first connection structure still includes first grafting portion and the first card arm of setting in first diaphragm top, and first grafting portion is provided with first socket, and first card arm and first diaphragm pivot connection have locking position and unblock position.
Further, the operation end of the first clamping arm is located above the plurality of LED light bars and extends forwards.
Further, the second connecting structure comprises a second base body and a second clamping piece arranged on the second base body, and the second clamping piece is positioned between two adjacent LED light bars and clamps the flexible connecting rope.
Further, the second clamping piece comprises a second fixed clamping plate and a second movable clamping plate, the second fixed clamping plate is arranged on the second base body, and the flexible connecting cable is clamped between the second fixed clamping plate and the second movable clamping plate; and/or, the second base member includes second diaphragm and the second riser of being connected with the second diaphragm, and the second holder is located one side of second riser towards the LED lamp strip, is provided with the second wire hole on the second diaphragm, and second connection structure still is including setting up the second clamp plate in one side of second riser keeping away from the LED lamp strip, and the bottom of flexible connecting rope passes the second wire hole and presss from both sides and establish between second riser and second clamp plate.
Further, the second base body comprises a second transverse plate, and a bayonet is arranged on the second transverse plate.
According to another aspect of the present invention, there is provided an LED display device including an LED display unit, and a support structure connected between the LED display unit and an external fixing base, the LED display unit being the above-described LED display unit.
Further, the supporting structure comprises a first supporting structure, the first supporting structure comprises a first mounting plate, a second mounting plate and a first supporting plate connected between the first mounting plate and the second mounting plate, the second mounting plate extends along the vertical direction, the first mounting plate is connected to the upper end of the second mounting plate and extends towards the LED display unit, the first mounting plate is connected with the first connecting structure, and the second mounting plate is connected with the external fixing base body.
Further, slots are formed in the first mounting plate and the first supporting plate, and penetrate through the first mounting plate and are arranged at an angle with the first mounting plate; and/or, a part of the first mounting plate is recessed to form a containing recess, and the LED display device further comprises an LED controller arranged in the containing recess.
Further, the supporting structure further comprises a second supporting structure, the second supporting structure comprises a third mounting plate, a fourth mounting plate and a second supporting plate connected between the third mounting plate and the fourth mounting plate, the fourth mounting plate extends along the vertical direction, the third mounting plate is connected to the lower end of the fourth mounting plate and extends towards the LED display unit, the third mounting plate is connected with the second connecting structure, and the fourth mounting plate is connected with the external fixing base body.
Further, the second supporting structure further comprises a second inserting portion and a second clamping arm, wherein the second inserting portion and the second clamping arm are arranged on the third mounting plate and can be in inserting fit with the second connecting structure, the second inserting portion is provided with a second inserting opening, and the second clamping arm is pivotally connected with the third mounting plate and is provided with a locking position and an unlocking position.
Further, the operating end of the second clamping arm is located below the plurality of LED light bars and extends forwards.
Further, the support structure includes a first support structure connected with the first connection structure of the LED display unit and a second support structure connected with the second connection structure of the LED display unit when the LED display device includes one LED display unit in the vertical direction; when the LED display device comprises a plurality of LED display units in the vertical direction, the first connection structures of the LED display units are connected with the second connection structures of the adjacent LED display units, the first support structures are multiple, each first support structure is connected with the first connection structure of the corresponding LED display unit, and the second support structure is connected with the second connection structure of the LED display unit at the lowest end.
By applying the technical scheme of the invention, the LED light bars are sequentially connected together through the flexible connecting cable to form the main body structure of the LED display unit, and compared with the prior art that the LED light bars are assembled together by using the rigid connecting frame, the LED display unit has lighter weight by using the flexible connecting cable, and correspondingly, the LED display unit can be firmly connected with an external fixed matrix by setting fewer mounting points. Specifically, the LED display unit comprises a first connecting structure and a second connecting structure which are respectively arranged at the upper ends and the lower ends of a plurality of LED lamp strips, the first connecting structure is connected with the top end of a flexible connecting rope in a locking manner and can be connected with an external fixing base body, the second connecting structure is connected with the bottom end of the flexible connecting rope in a locking manner and can be connected with the external fixing base body, and when the LED display unit is installed on the external fixing base body, the first connecting structure and the second connecting structure are only required to be connected onto the external fixing base body, so that the LED display unit has the advantage of simplicity and convenience in operation. In addition, the second connection structure and the structure looks adaptation of first connection structure, when a plurality of LED display element arrange in proper order in the vertical direction, adjacent LED display element can be in the same place through the first connection structure and the second connection structure that set up adjacently, under the prerequisite that satisfies the installation steadiness, can only be connected with the upper end and the lower extreme of LED display device with outside fixed matrix or only with the upper end of LED display device, the lower extreme and the hookup location and the outside fixed matrix of the adjacent LED display element of part can, like this can further reduce the junction point, further promote installation effectiveness. Therefore, the technical scheme of the application can effectively solve the problems of complex operation and low installation efficiency in the process of installing the LED display device on the external fixed substrate in the related technology.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic perspective view of an embodiment of an LED display unit according to the present invention;
fig. 2 shows an enlarged view at a of the LED display unit of fig. 1;
fig. 3 shows an enlarged view at B of the LED display unit of fig. 1;
FIG. 4 shows a schematic side view of the LED display unit of FIG. 1;
fig. 5 shows an enlarged view at C of the LED display unit of fig. 4;
fig. 6 shows an enlarged view at D of the LED display unit of fig. 4;
fig. 7 is an enlarged view showing a part of the structure of the LED display unit of fig. 1 in a top view state;
fig. 8 is a schematic perspective view showing a first connection structure of the LED display unit of fig. 1;
FIG. 9 illustrates a side view of the first connection structure of FIG. 8;
fig. 10 is a schematic perspective view showing a second connection structure of the LED display unit of fig. 1;
FIG. 11 shows a schematic side view of the second connection structure of FIG. 10;
fig. 12 shows a schematic perspective view of an embodiment of an LED display device according to the present invention;
FIG. 13 shows an enlarged view at E of the LED display device of FIG. 12;
fig. 14 shows an enlarged view at F of the LED display device of fig. 12;
fig. 15 shows an enlarged view at G of the LED display device of fig. 12;
FIG. 16 shows a schematic side view of the LED display device of FIG. 12;
fig. 17 shows an enlarged view at H of the LED display device of fig. 16;
FIG. 18 shows an enlarged view of the LED display device of FIG. 16 at I;
FIG. 19 shows an enlarged view at J of the LED display device of FIG. 16;
fig. 20 is an enlarged view showing a part of the structure of the LED display device of fig. 12 in a plan view;
FIG. 21 shows a schematic perspective view of a first support structure of the LED display device of FIG. 12;
FIG. 22 shows a schematic side view of the first support structure of FIG. 21; and
fig. 23 shows a schematic perspective view of a second support structure of the LED display device of fig. 12.
Wherein the above figures include the following reference numerals:
10. LED light bar; 20. a flexible connecting cable; 30. a first connection structure; 31. a first substrate; 311. a first cross plate; 3111. a first via hole; 312. a first vertical plate; 32. a first clamping member; 321. a first fixed splint; 322. a first movable clamp plate; 33. a first platen; 34. inserting plate; 35. a first plug-in connection; 351. a first socket; 36. a first clamping arm; 40. a second connection structure; 41. a second substrate; 411. a second cross plate; 4111. a second via hole; 4112. a bayonet; 412. a second vertical plate; 42. a second clamping member; 421. a second fixed splint; 422. a second movable clamping plate; 43. a second pressing plate; 50. a support structure; 51. a first support structure; 511. a first mounting plate; 512. a second mounting plate; 513. a first support plate; 514. a slot; 515. a receiving recess; 516. a support rib; 52. a second support structure; 521. a third mounting plate; 522. a fourth mounting plate; 523. a second support plate; 524. a second plug-in connection; 5241. a second socket; 525. a second clamping arm; 60. and an LED controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, the LED display unit of the present embodiment includes: the LED lamp comprises a plurality of LED lamp strips 10, a flexible connecting rope 20, a first connecting structure 30 and a second connecting structure 40. Wherein, a plurality of LED light bars 10 are arranged in parallel, each LED light bar 10 extends along the transverse direction; the flexible connecting rope 20 is arranged at the rear side of the LED light bars 10 and extends along the vertical direction, and each LED light bar 10 is connected to the flexible connecting rope 20; the first connecting structure 30 is locked to the top end of the flexible connecting cable 20, and the first connecting structure 30 can be connected to an external fixing base; the second connecting structure 40 is adapted to the structure of the first connecting structure 30, the second connecting structure 40 is locked and connected with the bottom end of the flexible connecting cable 20, and the second connecting structure 40 can be connected with an external fixing base body.
By applying the technical scheme of the embodiment, the plurality of LED light bars 10 are sequentially connected together through the flexible connecting cable 20 to form the main structure of the LED display unit, and compared with the prior art that the plurality of LED light bars are assembled together by using the rigid connecting frame, the weight of the flexible connecting cable 20 is lighter, and correspondingly, the LED display unit can be firmly connected with an external fixed matrix (such as the outer surface of a building) by setting fewer mounting points. Specifically, the LED display unit includes a first connection structure 30 and a second connection structure 40 respectively disposed at the upper ends and the lower ends of the plurality of LED light bars 10, the first connection structure 30 is locked with the top end of the flexible connection cable 20 and can be connected with an external fixing base, the second connection structure 40 is locked with the bottom end of the flexible connection cable 20 and can be connected with the external fixing base, and when the LED display unit is mounted on the external fixing base, only the first connection structure 30 and the second connection structure 40 need to be connected to the external fixing base, which has the advantage of simple operation. In addition, the second connection structure 40 is adapted to the structure of the first connection structure 30, when the plurality of LED display units are sequentially arranged in the vertical direction, the adjacent LED display units can be connected together through the first connection structure 30 and the second connection structure 40 which are adjacently arranged, under the premise of satisfying the installation stability, only the upper end and the lower end of the LED display device can be connected with the external fixing base or only the upper end, the lower end and the connection positions of the partially adjacent LED display units of the LED display device can be connected with the external fixing base (i.e., the connection positions of each adjacent LED display unit are not required to be connected with the external fixing base), so that the connection points can be further reduced, and the installation efficiency can be further improved. Therefore, the technical scheme of the embodiment can effectively solve the problems of complex operation and low installation efficiency in the process of installing the LED display device on the external fixed substrate in the related technology.
In addition, since the flexible connecting cable 20 is adopted to assemble the plurality of LED light bars 10 together in the embodiment, the LED display unit can be packaged in a folding or scroll manner during transportation of the LED display unit, which is convenient for transportation, transportation and the like. Specifically, in this embodiment, the flexible connecting cable 20 may be a steel wire rope, a nylon rope, or the like, and the flexible connecting cable 20 may include one or more ropes, and specifically, the number of ropes in the flexible connecting cable 20 may be determined according to the weight of the LED light bar 10. The LED display unit may be connected to the flexible connection cable 20 by an adhesive structure, a snap-fit structure, or the like.
In addition, since the plurality of LED light bars 10 are connected together by the flexible connecting cable 20, the LED display unit of the present embodiment can adapt to an external fixing base body having a surface with a plurality of shapes such as a plane, a curved surface, etc., that is, can adapt to the appearance shapes of various buildings.
It should be noted that, the "structural adaptation of the second connection structure 40 to the first connection structure 30" refers to that the first connection structure 30 and the second connection structure 40 at the connection position of the adjacent LED display units in the LED display device can be connected together.
As shown in fig. 1 and 4, in the present embodiment, the LED display unit includes two flexible connection cables 20 disposed at intervals, two ends of each flexible connection cable 20 are provided with a first connection structure 30 and a second connection structure 40, and four connection points through which one LED display unit passes are connected with an external fixing base. Of course, in the embodiment not shown in the drawings, the number of flexible connecting wires is not limited to two.
As shown in fig. 2, 5, 8 and 9, the first connecting structure 30 includes a first base 31 and a first clamping member 32 disposed on the first base 31, where the first clamping member 32 is located between two adjacent LED light bars 10 and clamps the flexible connecting cable 20. The first clamping piece 32 is inserted between two adjacent LED lamp strips 10 and can clamp the flexible connecting rope 20, so that the locking of the flexible connecting rope 20 positioned at the top end is realized, and the LED lamp strip locking device has the advantages of simple structure and reliable locking.
As shown in fig. 2, 5, 8 and 9, in the present embodiment, the first clamping member 32 includes a first fixed clamping plate 321 and a first movable clamping plate 322, the first fixed clamping plate 321 is disposed on the first base 31, and the flexible connecting cable 20 is sandwiched between the first fixed clamping plate 321 and the first movable clamping plate 322. Specifically, when assembling, the first fixing clip 321 is inserted between two adjacent LED light bars 10 through the rear sides of the LED light bars 10, then the first movable clip 322 is inserted between two adjacent LED light bars 10 from the front sides of the LED light bars 10, and the first movable clip 322 is fixed to the first fixing clip 321 by using a fastener (specifically, a screw) and the flexible connection cable 20 is clamped between the first fixing clip 321 and the first movable clip 322 (it should be noted that, the "front side" refers to the side of the LED display unit facing the viewer, and the "rear side" refers to the side of the LED display unit facing away from the viewer). As shown in fig. 8, the side of the first movable clamping plate 322 facing the first fixed clamping plate 321 is provided with an arc-shaped receiving groove corresponding to the flexible connecting cable 20. Specifically, in this embodiment, the number of the first clamping members 32 is three, and the three first clamping members 32 are disposed at intervals along the vertical direction, and each first clamping member 32 is located between two adjacent LED light bars 10, so that the locking effect on the flexible connecting cable 20 can be further ensured. Of course, the number of the first clamping members 32 is not limited to three, and one skilled in the art can determine the number of the first clamping members 32 according to actual circumstances.
As shown in fig. 2, 5, 8 and 9, in the present embodiment, the first base 31 includes a first transverse plate 311 and a first vertical plate 312 connected to the first transverse plate 311, the first clamping member 32 is located on a side of the first vertical plate 312 facing the LED light bar 10, a first wire passing hole 3111 is provided on the first transverse plate 311, the first connecting structure 30 further includes a first pressing plate 33 provided on a side of the first vertical plate 312 far from the LED light bar 10, and a top end of the flexible connecting cable 20 passes through the first wire passing hole 3111 and is sandwiched between the first vertical plate 312 and the first pressing plate 33. That is, the flexible connecting cable 20 passes over the upper end of the first vertical plate 312 and is clamped at the rear side of the first vertical plate 312 by the first pressing plate 33, and the first clamping member 32 and the first pressing plate 33 jointly realize double fastening of the end of the flexible connecting cable 20, so that the locking effect is good.
As shown in fig. 5, 8 and 9, the first base 31 includes a first transverse plate 311, and the first connection structure 30 further includes a plugboard 34 disposed below the first transverse plate 311, the plugboard 34 being disposed at an angle to the first transverse plate 311. Specifically, the first connecting structure 30 of the present embodiment can be connected with an external fixing base through the supporting structure 50, and the insertion board 34 is disposed below the first transverse board 311, so that preliminary positioning between the first connecting structure 30 and the supporting structure 50 can be achieved, and then the first connecting structure 30 and the supporting structure 50 are connected by using fasteners, so that the operation of operators is facilitated.
As shown in fig. 7 to 9, the first base 31 includes a first transverse plate 311, the first connection structure 30 further includes a first insertion portion 35 provided above the first transverse plate 311 and a first click arm 36, the first insertion portion 35 is provided with a first insertion opening 351, and the first click arm 36 is pivotally connected to the first transverse plate 311 and has a locked position and an unlocked position. Specifically, the connecting member (the second transverse plate 411) of the second connecting structure 40 to the first connecting structure 30 can be inserted into the first insertion hole 351, and when the first locking arm 36 is located at the locking position, the first locking arm 36 fixes the second transverse plate 411 in the first insertion hole 351; when the first clamping arm 36 is located at the unlocking position, the second transverse plate 411 can be inserted into the first inserting opening 351 or taken out from the first inserting opening 351, so that disassembly and assembly between two adjacent LED display units are achieved, and the LED display unit has the advantages of being simple in structure and convenient to disassemble and assemble. Specifically, as shown in fig. 8, the first clamping arm 36 is pivotally connected to the first transverse plate 311 through a pin shaft structure, the first connecting structure 30 further includes a first torsion spring sleeved on the pin shaft structure, a first mounting groove is provided on the first clamping arm 36, the first torsion spring is mounted in the first mounting groove, and two ends of the first torsion spring respectively support against and cooperate with the first plug-in portion 35 and a groove wall of the first mounting groove away from the first plug-in portion 35 so that the first clamping arm 36 maintains a locking position. When an external force acts on the first latch arm 36 and overcomes the elastic force of the first torsion spring, the first latch arm 36 is switched from the locked position to the unlocked position.
As shown in fig. 5 and 8, the operating end of the first clip arm 36 is located above the plurality of LED light bars 10 and extends forward. When maintenance is required on the LED display unit, since the first connection structure 30 is disposed at the rear side of the LED display unit, an operator can operate the first clamping arm 36 from the rear side to switch from the locking position to the unlocking position, or operate the operating end of the first clamping arm 36 from the front side to switch the first clamping arm 36 from the locking position to the unlocking position, so that both front maintenance and rear maintenance can be performed.
As shown in fig. 3, 6, 10 and 11, the second connecting structure 40 includes a second base 41 and a second clamping member 42 disposed on the second base 41, where the second clamping member 42 is located between two adjacent LED light bars 10 and clamps the flexible connecting cable 20. The second clamping piece 42 is inserted between two adjacent LED lamp strips 10 and can clamp the flexible connecting cable 20, so that the flexible connecting cable 20 positioned at the bottom end is locked, and the LED lamp strip locking device has the advantages of being simple in structure and reliable in locking.
Specifically, as shown in fig. 10, the second clamping member 42 includes a second fixed clamping plate 421 and a second movable clamping plate 422, the second fixed clamping plate 421 is provided on the second base 41, and the flexible connecting cable 20 is sandwiched between the second fixed clamping plate 421 and the second movable clamping plate 422. In assembly, the second fixing clip 421 is inserted between two adjacent LED light bars 10 through the rear sides of the LED light bars 10, and then the second movable clip 422 is inserted between two adjacent LED light bars 10 from the front sides of the LED light bars 10 and the second movable clip 422 is fixed to the second fixing clip 421 using a fastener (specifically, a screw) and the flexible connection cable 20 is clamped between the second fixing clip 421 and the second movable clip 422. As shown in fig. 10, the second movable clamp plate 422 is provided with an arc-shaped receiving groove corresponding to the flexible connecting cable 20 at a side facing the second fixed clamp plate 421. Specifically, in the present embodiment, the number of the second clamping members 42 is three, and the three second clamping members 42 are disposed at intervals along the vertical direction, and each second clamping member 42 is located between two adjacent LED light bars 10, so that the locking effect on the flexible connecting cable 20 can be further ensured. Of course, the number of the second clamping members 42 is not limited to three, and one skilled in the art can determine the number of the second clamping members 42 according to actual circumstances.
As shown in fig. 3, 6, 10 and 11, in the present embodiment, the second base 41 includes a second transverse plate 411 and a second vertical plate 412 connected to the second transverse plate 411, the second clamping member 42 is located at a side of the second vertical plate 412 facing the LED light bar 10, the second transverse plate 411 is provided with a second wire passing hole 4111, the second connecting structure 40 further includes a second pressing plate 43 disposed at a side of the second vertical plate 412 away from the LED light bar 10, and a bottom end of the flexible connecting cable 20 passes through the second wire passing hole 4111 and is sandwiched between the second vertical plate 412 and the second pressing plate 43. That is, the flexible connecting cable 20 passes over the lower end of the second vertical plate 412 and is clamped at the rear side of the second vertical plate 412 by the second pressing plate 43, and the double fastening of the end of the flexible connecting cable 20 is achieved by the second clamping member 42 and the second pressing plate 43 together, so that the locking effect is good.
As shown in fig. 8 and 10, in the present embodiment, the second base 41 includes a second transverse plate 411, and a bayonet 4112 is provided on the second transverse plate 411. When the LED display device is assembled, the second cross plate 411 can be inserted into the first insertion portion 35 of the first connection structure 30 on the adjacent LED display unit and fixed in the first insertion portion 35 by the first clip arm 36. Specifically, the end of the first clamp arm 36 can be inserted into the bayonet 4112 to secure the second cross plate 411. As shown in fig. 10, the free end of the second transverse plate 411 is provided with a bevel portion, when the second transverse plate 411 is inserted into the first inserting portion 35, the bevel portion pushes the end portion of the first clamping arm 36 and overcomes the elastic force of the first torsion spring to switch the first clamping arm 36 from the locking position to the unlocking position, so that an operator does not need to manually rotate the first clamping arm 36 to the unlocking position in advance, and the operation of the operator is facilitated.
Specifically, as shown in fig. 7, 8 and 10, in the present embodiment, the first connecting structure 30 has two first clamping arms 36, and accordingly, the number of bayonets 4112 is also two, and the two first clamping arms 36 respectively fix the opposite ends of the second transverse plate 411, which has the advantage of good fixing effect.
The present application also provides an LED display device, as shown in fig. 12 to 20, where an embodiment of the LED display device of the present application includes an LED display unit and a support structure 50 connected between the LED display unit and an external fixing base, and the LED display unit is the LED display unit described above. The LED display unit can effectively solve the problems of complex operation and low installation efficiency in the process of installing the LED display device on the external fixed substrate in the related technology, and the LED display device with the LED display unit also has the advantages.
As shown in fig. 13, 14, 17, 18, 21 and 22, in the present embodiment, the support structure 50 includes a first support structure 51, the first support structure 51 includes a first mounting plate 511, a second mounting plate 512, and a first support plate 513 connected between the first mounting plate 511 and the second mounting plate 512, the second mounting plate 512 extends in a vertical direction, the first mounting plate 511 is connected to an upper end of the second mounting plate 512 and extends toward the LED display unit, the first mounting plate 511 is connected to the first connection structure 30, and the second mounting plate 512 is connected to an external fixing base. Specifically, in the present embodiment, the first mounting plate 511 and the second mounting plate 512 are disposed at 90 °, and the first support plate 513 is connected between the first mounting plate 511 and the second mounting plate 512, so that the strength of the first support structure 51 can be effectively improved. The first mounting plate 511 and the second mounting plate 512 are each provided with a connection hole, the first mounting plate 511 is connected to the first transverse plate 311 of the first connection structure 30 by a fastener (e.g., a screw) penetrating through the mounting holes, and the second mounting plate 512 is connected to the external fixing base by a fastener (e.g., a screw) penetrating through the mounting holes.
As shown in fig. 21 and 22, the first support structure 51 further includes a support rib 516 connected between the first mounting plate 511 and the first support plate 513, and the support rib 516 is provided to further enhance the strength of the first support structure 51.
As shown in fig. 17, 18, 21 and 22, in the present embodiment, the first mounting plate 511 and the first support plate 513 are provided with a slot 514, and the slot 514 penetrates the first mounting plate 511 and is disposed at an angle to the first mounting plate 511. Specifically, when the slot 514 is perpendicular to the first mounting plate 511 to connect the first connection structure 30 and the first support structure 51, the insert board 34 on the first connection structure 30 is inserted into the slot 514 to perform preliminary positioning between the first connection structure 30 and the first support structure 51, and then the first transverse board 311 and the first mounting plate 511 are locked by the fastener, which has the advantage of convenient operation.
As shown in fig. 12 to 14, 15 to 18, and 21 to 22, a portion of the first mounting plate 511 is recessed to form a receiving recess 515, and the LED display device further includes an LED controller 60 disposed within the receiving recess 515. The LED controller 60 is provided with electronic components and can be connected with an external power supply and an upper computer to supply power to the LED light bar 10 and transmit control signals. Install LED controller 60 on first bearing structure 50, can the rational utilization LED display element rear side the space, and need not to set up the mounting structure of LED controller 60 in addition again, have simple structure's advantage.
As shown in fig. 15, 19 and 23, the support structure 50 further includes a second support structure 52, the second support structure 52 including a third mounting plate 521, a fourth mounting plate 522, and a second support plate 523 connected between the third mounting plate 521 and the fourth mounting plate 522, the fourth mounting plate 522 extending in a vertical direction, the third mounting plate 521 being connected to a lower end of the fourth mounting plate 522 and extending toward the LED display unit, the third mounting plate 521 being connected to the second connection structure 40, the fourth mounting plate 522 being connected to an external fixing base. Specifically, in the present embodiment, the third mounting plate 521 and the fourth mounting plate 522 are disposed at 90 °, and the second support plate 523 is connected between the third mounting plate 521 and the fourth mounting plate 522, so that the strength of the second support structure 52 can be effectively improved. The third mounting plate 521 and the fourth mounting plate 522 are each provided with a connection hole, the third mounting plate 521 is connected to the second transverse plate 411 of the second connection structure 40 by a fastener (e.g., a screw) penetrating through the mounting hole, and the fourth mounting plate 522 is connected to the external fixing base by a fastener (e.g., a screw) penetrating through the mounting hole.
The second support structure 52 further includes a second insertion portion 524 and a second clamping arm 525, which are disposed on the third mounting plate 521 and can be inserted and mated with the second connection structure 40, the second insertion portion 524 is provided with a second insertion opening 5241, and the second clamping arm 525 is pivotally connected with the third mounting plate 521 and has a locking position and an unlocking position. Specifically, the second transverse plate 411 on the second connection structure 40 can be inserted into the second inserting portion 524, and when the second clamping arm 525 is located at the locking position, the second clamping arm 525 fixes the second transverse plate 411 in the second inserting portion 524; when the second clamping arm 525 is located at the unlocking position, the second transverse plate 411 can be inserted into the second inserting portion 524 or taken out from the second inserting portion 524, so that the second connecting structure 40 and the second supporting structure 52 can be disassembled and assembled, and the assembly and disassembly device has the advantages of being simple in structure and convenient to disassemble and assemble. Specifically, as shown in fig. 23, the second clamping arm 525 is pivotally connected to the third mounting plate 521 through a pin shaft structure, the second supporting structure 52 further includes a second torsion spring sleeved on the pin shaft structure, a second mounting groove is provided on the second clamping arm 525, the second torsion spring is mounted in the second mounting groove, and two ends of the second torsion spring respectively support against and cooperate with the second insertion portion 524 and a groove wall of the second mounting groove away from the second insertion portion 524, so that the second clamping arm 525 maintains a locking position. When an external force acts on the second clamp arm 525 and overcomes the elastic force of the second torsion spring, the first clamp arm 36 is switched from the locked position to the unlocked position.
As shown in fig. 19 and 23, the operating end of the second clamp arm 525 is located below the plurality of LED light bars 10 and extends forward. When maintenance is required on the LED display unit, since the second support structure 52 is disposed at the rear side of the LED display unit, an operator can operate the second clamping arm 525 from the rear side to switch from the locking position to the unlocking position, or can operate the operating end of the second clamping arm 525 from the front side to switch the second clamping arm 525 from the locking position to the unlocking position, so that the maintenance can be performed before and after.
Specifically, in the present embodiment, the LED display device includes a plurality of LED display units in the vertical direction (in the present embodiment, the LED display device includes two LED display units in the vertical direction, in the embodiment not shown in the drawing, the LED display device includes three or more LED display units in the vertical direction), the first connection structures 30 of the LED display units are connected to the second connection structures 40 of the adjacent LED display units, the first support structures 51 are plural, each of the first support structures 51 is connected to the first connection structure 30 of the corresponding LED display unit, and the second support structures 52 are connected to the second connection structures 40 of the lowermost LED display unit.
When the LED display device comprises one LED display unit in the vertical direction, the first support structure is connected with the first connecting structure of the LED display unit, and the second support structure is connected with the second connecting structure of the LED display unit.
By applying the technical scheme of the embodiment, the LED display device is composed of the first connecting structure 30, the second connecting structure 40, the first supporting structure 51, the second supporting structure 52, the flexible connecting cable 20, the LED light bar 10 (the outer shell of which is made of aluminum alloy materials) and the LED controller 60, and each element is convenient to produce and process and simple to assemble. Because the LED controller 60 and all the connection structures are arranged at the rear side of the LED display device, and the flexible connection rope 20, the first connection structure 30, the second connection structure 40, the first support structure 51 and the second support structure 52 are adopted to replace a longitudinal connection frame and a transverse connection frame in the related technology, the whole LED display device has the advantages of small volume, light weight, high permeability and small wind resistance, and all the connection pieces are connected together through clamping and locking and a small number of screws, so that the operation is simple and quick.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

1. An LED display unit, comprising:
the LED lamp strips (10) are arranged in parallel, and each LED lamp strip (10) extends along the transverse direction;
the flexible connecting cables (20) are arranged at the rear sides of the LED lamp strips (10) and extend in the vertical direction, and each LED lamp strip (10) is connected to the flexible connecting cable (20);
a first connecting structure (30) which is in locking connection with the top end of the flexible connecting cable (20), wherein the first connecting structure (30) can be connected with an external fixing base body;
the second connecting structure (40) is matched with the structure of the first connecting structure (30), the second connecting structure (40) is connected with the bottom end of the flexible connecting rope (20) in a locking mode, and the second connecting structure (40) can be connected with an external fixing base body;
the first connection structure (30) comprises a first base body (31);
the first base body (31) comprises a first transverse plate (311), the first connecting structure (30) further comprises a first inserting part (35) and a first clamping arm (36) which are arranged above the first transverse plate (311), the first inserting part (35) is provided with a first inserting opening (351), and the first clamping arm (36) is pivotally connected with the first transverse plate (311) and has a locking position and an unlocking position;
the second connection structure (40) comprises a second base body (41);
the second base body (41) comprises a second transverse plate (411);
the second transverse plate (411) can be inserted into the first socket (351), and when the first clamping arm (36) is positioned at the locking position, the first clamping arm (36) fixes the second transverse plate (411) in the first socket (351); the second transverse plate (411) is capable of being inserted into the first receptacle (351) or removed from the first receptacle (351) when the first catch arm (36) is in the unlocked position;
the operating end of the first clamping arm (36) is positioned above the plurality of LED light bars (10) and extends forwards.
2. The LED display unit according to claim 1, characterized in that the first connection structure (30) comprises a first clamping member (32) arranged on the first base body (31), the first clamping member (32) being located between two adjacent LED light bars (10) and clamping the flexible connection cable (20).
3. The LED display unit according to claim 2, characterized in that the first clamping member (32) comprises a first fixed clamping plate (321) and a first movable clamping plate (322), the first fixed clamping plate (321) is arranged on the first base body (31), and the flexible connecting cable (20) is clamped between the first fixed clamping plate (321) and the first movable clamping plate (322).
4. The LED display unit according to claim 2, wherein the first base body (31) includes a first transverse plate (311) and a first vertical plate (312) connected to the first transverse plate (311), the first clamping member (32) is located at a side of the first vertical plate (312) facing the LED light bar (10), a first wire through hole (3111) is provided on the first transverse plate (311), the first connecting structure (30) further includes a first pressing plate (33) disposed at a side of the first vertical plate (312) away from the LED light bar (10), and a top end of the flexible connecting cable (20) passes through the first wire through hole (3111) and is sandwiched between the first vertical plate (312) and the first pressing plate (33).
5. The LED display unit according to claim 2, wherein the first base body (31) comprises a first transverse plate (311), the first connection structure (30) further comprising a plug board (34) arranged below the first transverse plate (311), the plug board (34) being arranged at an angle to the first transverse plate (311).
6. The LED display unit according to any of claims 1 to 5, characterized in that the second connection structure (40) comprises a second clamping member (42) arranged on the second base body (41), the second clamping member (42) being located between two adjacent LED light bars (10) and clamping the flexible connection cable (20).
7. The LED display unit of claim 6, wherein the LED display unit,
the second clamping piece (42) comprises a second fixed clamping plate (421) and a second movable clamping plate (422), the second fixed clamping plate (421) is arranged on the second base body (41), and the flexible connecting cable (20) is clamped between the second fixed clamping plate (421) and the second movable clamping plate (422); and/or the number of the groups of groups,
the second base member (41) include second diaphragm (411) and with second riser (412) that second diaphragm (411) are connected, second holder (42) are located second riser (412) orientation one side of LED lamp strip (10), be provided with second wire hole (4111) on second diaphragm (411), second connection structure (40) are still including setting up second riser (412) are kept away from second clamp plate (43) of one side of LED lamp strip (10), the bottom of flexible connecting cable (20) is passed second wire hole (4111) and is pressed from both sides and establish between second riser (412) and second clamp plate (43).
8. The LED display unit according to claim 6, characterized in that the second transverse plate (411) is provided with a bayonet (4112).
9. LED display device comprising an LED display unit and a support structure (50) connected between the LED display unit and an external stationary matrix, characterized in that the LED display unit is an LED display unit according to any one of claims 1 to 8.
10. The LED display device according to claim 9, characterized in that the support structure (50) comprises a first support structure (51), the first support structure (51) comprising a first mounting plate (511), a second mounting plate (512) and a first support plate (513) connected between the first mounting plate (511) and the second mounting plate (512), the second mounting plate (512) extending in the vertical direction, the first mounting plate (511) being connected at an upper end of the second mounting plate (512) and extending towards the LED display unit, the first mounting plate (511) being connected with the first connection structure (30), the second mounting plate (512) being connected with the external fixation base.
11. The LED display device of claim 10, wherein the LED display device comprises,
the first mounting plate (511) and the first supporting plate (513) are provided with slots (514), and the slots (514) penetrate through the first mounting plate (511) and are arranged at an angle with the first mounting plate (511); and/or the number of the groups of groups,
a portion of the first mounting plate (511) is recessed to form a receiving recess (515), and the LED display device further includes an LED controller (60) disposed within the receiving recess (515).
12. The LED display device according to claim 9, wherein the support structure (50) further comprises a second support structure (52), the second support structure (52) comprising a third mounting plate (521), a fourth mounting plate (522) and a second support plate (523) connected between the third mounting plate (521) and the fourth mounting plate (522), the fourth mounting plate (522) extending in the vertical direction, the third mounting plate (521) being connected at a lower end of the fourth mounting plate (522) and extending towards the LED display unit, the third mounting plate (521) being connected with the second connection structure (40), the fourth mounting plate (522) being connected with the external fixation base.
13. The LED display device according to claim 12, wherein the second support structure (52) further comprises a second socket portion (524) and a second clamping arm (525) provided on the third mounting plate (521) capable of being socket-fitted with the second connection structure (40), the second socket portion (524) being provided with a second socket (5241), the second clamping arm (525) being pivotally connected with the third mounting plate (521) and having a locked position and an unlocked position.
14. The LED display device of claim 13, wherein the operative end of said second clip arm (525) is positioned below and extends forwardly of a plurality of said LED light bars (10).
15. The LED display device according to claim 9, characterized in that the support structure (50) comprises a first support structure (51) and a second support structure (52),
when the LED display device comprises one of the LED display units in the vertical direction, the first support structure (51) is connected with the first connection structure (30) of the LED display unit, and the second support structure (52) is connected with the second connection structure (40) of the LED display unit;
when the LED display device comprises a plurality of LED display units in the vertical direction, a first connecting structure (30) of each LED display unit is connected with a second connecting structure (40) of the adjacent LED display unit, a plurality of first supporting structures (51) are arranged, each first supporting structure (51) is connected with the corresponding first connecting structure (30) of each LED display unit, and the second supporting structure (52) is connected with the second connecting structure (40) of the LED display unit at the lowest end.
CN202211117071.0A 2022-09-14 2022-09-14 LED display unit and LED display device with same Active CN115273688B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211117071.0A CN115273688B (en) 2022-09-14 2022-09-14 LED display unit and LED display device with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211117071.0A CN115273688B (en) 2022-09-14 2022-09-14 LED display unit and LED display device with same

Publications (2)

Publication Number Publication Date
CN115273688A CN115273688A (en) 2022-11-01
CN115273688B true CN115273688B (en) 2024-03-19

Family

ID=83756743

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211117071.0A Active CN115273688B (en) 2022-09-14 2022-09-14 LED display unit and LED display device with same

Country Status (1)

Country Link
CN (1) CN115273688B (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201122400Y (en) * 2007-10-26 2008-09-24 钟再柏 Novel LED lamp and LED screen equipped with the same
CN201383289Y (en) * 2009-04-15 2010-01-13 圣光科技有限公司 Folded display screen
CN202422621U (en) * 2011-12-27 2012-09-05 北京华晟丽晶科技有限公司 Light-transmittable flexible light-emitting diode (LED) display screen module
CN203204953U (en) * 2013-02-21 2013-09-18 深圳市铭濠科技有限公司 LED transparent medium colorized screen
CN206478081U (en) * 2016-12-05 2017-09-08 深圳市奥拓电子股份有限公司 The attachment means and LED display of LED box
CN210498567U (en) * 2019-08-07 2020-05-12 章丘市大星精工机械有限公司 Broach clamping structure of vertical internal broaching machine
CN210715738U (en) * 2019-11-11 2020-06-09 北京市亿成建筑工程有限公司 Steel wire rope fastening device for building construction
CN210889589U (en) * 2019-09-29 2020-06-30 福建省软众数字科技股份有限公司 Multimedia information display system
CN214467206U (en) * 2020-12-17 2021-10-22 株洲亿达科技有限公司 Display screen mounting bracket for subway
CN215182830U (en) * 2021-03-18 2021-12-14 深圳市彩显光电有限公司 LED steel wire screen with high transmittance
CN215220155U (en) * 2021-07-27 2021-12-17 中铁建工集团有限公司 Novel LED lamp strip screen
CN114189085A (en) * 2021-12-18 2022-03-15 中擎电机有限公司 TEFC structure motor
CN216145840U (en) * 2021-08-21 2022-03-29 上海隆满电子有限公司 Quick plug-in type wire connecting terminal
CN216641485U (en) * 2021-12-16 2022-05-31 北京城建集团有限责任公司 Be used for steel column position control device
WO2022165766A1 (en) * 2021-02-05 2022-08-11 深圳市维世科技有限公司 Led unit board and display screen
CN115019672A (en) * 2022-07-14 2022-09-06 深圳市凯立特光电科技有限公司 LED display screen capable of being installed and maintained on front face rapidly and installing and maintaining method

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201122400Y (en) * 2007-10-26 2008-09-24 钟再柏 Novel LED lamp and LED screen equipped with the same
CN201383289Y (en) * 2009-04-15 2010-01-13 圣光科技有限公司 Folded display screen
CN202422621U (en) * 2011-12-27 2012-09-05 北京华晟丽晶科技有限公司 Light-transmittable flexible light-emitting diode (LED) display screen module
CN203204953U (en) * 2013-02-21 2013-09-18 深圳市铭濠科技有限公司 LED transparent medium colorized screen
CN206478081U (en) * 2016-12-05 2017-09-08 深圳市奥拓电子股份有限公司 The attachment means and LED display of LED box
CN210498567U (en) * 2019-08-07 2020-05-12 章丘市大星精工机械有限公司 Broach clamping structure of vertical internal broaching machine
CN210889589U (en) * 2019-09-29 2020-06-30 福建省软众数字科技股份有限公司 Multimedia information display system
CN210715738U (en) * 2019-11-11 2020-06-09 北京市亿成建筑工程有限公司 Steel wire rope fastening device for building construction
CN214467206U (en) * 2020-12-17 2021-10-22 株洲亿达科技有限公司 Display screen mounting bracket for subway
WO2022165766A1 (en) * 2021-02-05 2022-08-11 深圳市维世科技有限公司 Led unit board and display screen
CN215182830U (en) * 2021-03-18 2021-12-14 深圳市彩显光电有限公司 LED steel wire screen with high transmittance
CN215220155U (en) * 2021-07-27 2021-12-17 中铁建工集团有限公司 Novel LED lamp strip screen
CN216145840U (en) * 2021-08-21 2022-03-29 上海隆满电子有限公司 Quick plug-in type wire connecting terminal
CN216641485U (en) * 2021-12-16 2022-05-31 北京城建集团有限责任公司 Be used for steel column position control device
CN114189085A (en) * 2021-12-18 2022-03-15 中擎电机有限公司 TEFC structure motor
CN115019672A (en) * 2022-07-14 2022-09-06 深圳市凯立特光电科技有限公司 LED display screen capable of being installed and maintained on front face rapidly and installing and maintaining method

Also Published As

Publication number Publication date
CN115273688A (en) 2022-11-01

Similar Documents

Publication Publication Date Title
CN115273688B (en) LED display unit and LED display device with same
RU2403625C2 (en) Holder
CN112283625A (en) Mounting structure and mounting method of flat lamp
CN216383197U (en) Light emitting diode display device
CN210761305U (en) Unmanned aerial vehicle main body frame and unmanned aerial vehicle
CN211623796U (en) Support frame and electric fan
CN210164727U (en) Arc lock and display device
CN219005949U (en) Non-detachable printed board supporting device
CN218549438U (en) Auxiliary component for wire embedding
CN112996307B (en) Quick connection structure
CN215585054U (en) Fixing device and infusion pump
CN113199233B (en) Dismounting bus duct structure applied to power system
CN219300625U (en) Lamp panel device and switch
CN220041070U (en) Fast-assembling type hot plug fan
CN219350817U (en) Signal connection frame device
CN219997790U (en) LED display module and LED display device with same
CN220435890U (en) Mounting structure and cradle head camera
CN218763051U (en) Buckle formula quick detach is in light device
CN218004026U (en) Notebook computer with detachable display device
CN209765935U (en) Display device and box structure thereof
CN220156157U (en) Junction box
CN214249489U (en) Lamp mounting structure with longitudinal and transverse pressing plates
CN219916286U (en) Mounting structure of network card module
CN215104115U (en) Quick connecting structure of electric clothes hanger
CN214745294U (en) Split type ceiling lamp mounting structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant