CN117812493A - Ceiling loudspeaker box - Google Patents
Ceiling loudspeaker box Download PDFInfo
- Publication number
- CN117812493A CN117812493A CN202410227414.1A CN202410227414A CN117812493A CN 117812493 A CN117812493 A CN 117812493A CN 202410227414 A CN202410227414 A CN 202410227414A CN 117812493 A CN117812493 A CN 117812493A
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- Prior art keywords
- buckle
- groove
- screw
- ceiling
- tail end
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- 238000003825 pressing Methods 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The utility model relates to audio and video equipment and discloses a ceiling sound box, wherein when a screw (9) is used for responding to external trigger to perform circumferential rotation so that a tail end (11) of a pressing buckle (5) is driven to ascend by a screw (10), the pressing buckle (5) can be folded inwards under the torsion generated by the screw (9) until the tail end (11) of the pressing buckle (5) ascends to the top of a chute (7), a plug connector (13) is inserted into a plug groove (14) so as to prevent the pressing buckle (5) from rotating circumferentially, an avoidance groove (15) is formed in one side of the chute (7) and at a position close to a sealing cover (8) so as to ascend to the top of the chute (7) and the folded pressing buckle (5) is accommodated.
Description
Technical Field
The utility model relates to audio-visual equipment, in particular to a ceiling loudspeaker box.
Background
The sound boxes are various and can be divided into floor type, wall hanging type and ceiling type sound boxes according to the installation mode. The ceiling sound box is arranged on the ceiling or on the inner side of the shed roof, and is widely applied to places such as waiting rooms, restaurants, living rooms and the like. The utility model patent with publication number CN205123945U discloses a ceiling sound box, which comprises a loudspeaker, a circuit board and a connecting structure with a roof. The connection structure with the roof includes that ceiling ring and a plurality of clamp buckle, and ceiling ring is fixed and be the cyclic annular setting of ladder with loudspeaker, and the upper end of ceiling ring is equipped with a plurality of circumference evenly distributed's first spliced pole, and the pivot end of clamp buckle and the screw threaded connection who penetrates first spliced pole from ceiling ring low side, the clamping part of clamp buckle cooperatees with ceiling ring and presss from both sides tight ceiling. Preferably, the upper end of the ceiling circular ring is also provided with a pillar, the upper end of the pillar is fixedly provided with a pivoting cap extending above the first connecting column, and the pressing buckle pivoting end is pivoted with the pivoting cap. The middle part of first spliced pole is equipped with and is used for supplying to compress tightly the gliding through-hole of knot pivot end, is provided with the spout that is used for supplying to compress tightly knot connecting portion gliding on the lateral wall of first spliced pole axially. The upper end of the ceiling circular ring is also provided with a plurality of second connecting columns, the second connecting columns are arranged beside the first connecting columns, and the other ends of the second connecting columns are fixed with the circuit board through screws.
According to the ceiling sound box, when the ceiling sound box is installed, the screw is required to be rotated to drive the pressing buckle to ascend, and meanwhile, the torsional force generated by rotation of the screw is utilized to drive the pressing buckle to be folded inwards. When all the pressing buckles are lifted to a high position and are all folded, the ceiling sound box can be installed in the installation hole of the ceiling, so that the ceiling circular ring is abutted to the lower part of the ceiling. Then, all the screws are reversely rotated, so that all the compression buckles extend outwards under the torsion force generated by the rotation of the screws and simultaneously descend to a state of abutting against the upper plate surface of the ceiling, and the ceiling is clamped by matching with the suction top ring.
When the ceiling sound box is disassembled, the screw is rotated to drive the pressing buckle to ascend, and meanwhile the pressing buckle is driven to retract inwards. When all the pressing buckles are folded, the ceiling sound box can be taken out from the mounting hole of the ceiling. However, the screw is in a freely movable state within the bore of the suction ring. Therefore, in the process of taking out the ceiling sound box, if the sound box is inclined or collides, the folded compression buckle is easily led to actively open outwards, so that the ceiling sound box is clamped in the mounting hole and cannot be taken out normally, and the ceiling sound box is still to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the ceiling sound box, when the screw drives the compression buckle to rise to the top of the chute and to retract inwards, the plug-in component can be plugged into the plug-in groove of the sealing cover to lock the circumferential position of the compression buckle, so that the compression buckle is prevented from actively expanding outwards when the ceiling sound box is taken out from the mounting hole of the ceiling, and the dismounting efficiency and convenience of the ceiling sound box are further improved.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides a ceiling sound box, including the casing and set up the speaker subassembly in the casing lower extreme, the outer peripheral face of casing and in its lower extreme position ring are equipped with the butt ring that is used for the butt plate face under the ceiling, the up end ring of butt ring is equipped with a plurality of locking mechanism that are used for cooperation butt ring clamp ceiling, locking mechanism includes the clamp buckle, set up in the mount pad of butt ring up end, set up in the side that the mount pad kept away from the casing for the tail end joint of clamp buckle and the spout that slides from top to bottom, set up in the closing cap of spout upper end, and the screw, the screw rotates in proper order and wears to locate butt ring, spout and closing cap, the screw thread of screw cooperates in the tail end of clamp buckle; the tail end top of the clamp button is provided with the plug connector, and the lid of closing cap has offered the spliced groove that supplies the plug connector to peg graft, when the screw responds outside trigger and carries out circumferential rotation so that the tail end of screw rod drive clamp button rises, the clamp button can inwards draw in under the torsion that the screw produced, until the tail end of clamp button rises to the spout top, and the plug connector inserts the spliced groove to prevent clamp button circumferential rotation.
By adopting the scheme, when the screw rotates to drive the pressing buckle to rise to the top of the chute and fold inwards, the plug connector on the pressing buckle can be plugged in the plugging groove of the sealing cover so as to lock the circumferential position of the pressing buckle, thereby avoiding that the ceiling sound box is taken out from the mounting hole of the ceiling, the pressing buckle actively expands outwards, and further improving the dismounting efficiency and convenience of the ceiling sound box.
Preferably, the tail end of the screw rod is provided with an anti-falling part for preventing the screw from being separated from the sealing cover, one side of the chute is provided with an avoidance groove at a position close to the sealing cover so as to rise to the top of the chute and be folded for compressing and buckling;
when the screw responds to external trigger to perform reverse circumferential rotation so that the screw drives the tail end of the compression buckle to descend and the plug connector is separated from the plug groove, the compression buckle can be separated from the avoidance groove and spread outwards under the torsion generated by the screw, and then the compression buckle descends along the chute to be matched with the abutting ring to clamp the ceiling.
By adopting the scheme, when the screw responds to external trigger to perform reverse circumferential rotation, the screw can be pre-driven to separate the plug connector from the plug groove so as to release the circumferential locking of the pressing buckle. Then, the pressing buckle is driven to be unfolded outwards and is lowered to a position close to the abutting ring so as to clamp the ceiling by matching with the abutting ring. The whole process only needs to screw the screw in one direction, thereby improving the installation efficiency and convenience of the ceiling loudspeaker box.
Preferably, the bottom of the chute is provided with an elastic piece connected to the tail end of the pressing buckle so that the pressing buckle has a trend of being circumferentially separated from the avoidance groove.
By adopting the scheme, when the ceiling sound box is installed, the screw drives the pressing buckle to descend so that the plug connector is separated from the plug groove on the sealing cover, and the elastic piece can drive the pressing buckle to automatically expand outwards and maintain the state, so that the installation efficiency and convenience of the ceiling sound box are further improved.
Preferably, the elastic piece is a torsion spring sleeved on the screw rod, one end of the torsion spring is fixed at the tail end of the pressing buckle, and the other end of the torsion spring is fixed at the bottom of the chute.
By adopting the scheme, the torsion spring is simple in structure, convenient to install and low in cost, and can adaptively stretch and retract along with the lifting of the pressing buckle, so that the elastic driving force of the elastic piece is maintained.
Preferably, the plug connector is provided with the buckle in the direction side that compresses tightly the knot and breaks away from dodging the groove, and the draw-in groove that supplies the buckle joint has been seted up in the direction side that compresses tightly the knot and break away from dodging the groove to the inside wall in plug connector groove, inserts the plug connector in the plug connector groove, and the elastic component can order about to compress tightly the knot and rotate towards the direction of keeping away from dodging the groove to drive the buckle card and go into the draw-in groove.
By adopting the scheme, when the plug connector is inserted into the plug groove and the external force is removed by the screw, the elastic piece can drive the pressing buckle to move for a small distance towards the outwards expanding direction so as to drive the buckle to be clamped into the clamping groove. When the ceiling sound box is installed, the screw is needed to drive the pressing buckle to descend so as to break the connection between the buckle and the plug connector, and the process of clamping the ceiling by the pressing buckle can be realized. The broken buckle can not be restored and can become second hand identification information of the ceiling loudspeaker box, so that legal rights and interests of users and merchants are guaranteed.
Preferably, a cutting groove is formed in the lower side of the buckle, and the cutting groove is located at the joint of the buckle and the plug connector.
By adopting the scheme, the cutting groove can enable the buckle to be broken more easily, so that the obstruction of the pressing buckle in descending is reduced, and the installation efficiency and convenience of the pressing buckle are further improved.
Preferably, a rolling support component is arranged above the tail end of the pressing buckle so that the tail end of the pressing buckle is in rolling contact with the covering surface of the sealing cover.
Preferably, the rolling support assembly comprises a support seat and balls, the support seat is fixedly inserted into the upper surface of the tail end of the pressing buckle, the balls are rolled and embedded into the upper surface of the support seat, when the inserting piece is inserted into the inserting groove, the balls are abutted to the covering surface of the sealing cover, and the clamping buckle is opposite to the clamping groove.
By adopting the scheme, when the pressing buckle ascends to the top of the chute, the rolling support assembly can reduce friction between the tail end of the pressing buckle and the sealing cover, so that the elastic piece can smoothly drive the pressing buckle to rotate for a small distance towards the unfolding direction, and the buckle can be smoothly clamped into the clamping groove.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: when the screw rotates to drive the pressing buckle to rise to the top of the chute and retract inwards, the plug connector on the pressing buckle can be inserted into the plug groove of the sealing cover, so that the circumferential position of the pressing buckle is locked, and the pressing buckle actively expands outwards when the ceiling sound box is prevented from being taken out from the mounting hole of the ceiling, and the dismounting efficiency and convenience of the ceiling sound box are improved.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an exploded view of the locking mechanism of the present embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of a locking mechanism according to the present embodiment;
FIG. 5 is an enlarged schematic view of portion B of FIG. 4;
FIG. 6 is a second schematic structural view of the locking mechanism according to the present embodiment;
FIG. 7 is an enlarged schematic view of portion C of FIG. 6;
fig. 8 is a schematic structural diagram of the cover in the present embodiment.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a housing; 2. a speaker assembly; 3. an abutment ring; 4. a locking mechanism; 5. pressing the buckle; 6. a mounting base; 7. a chute; 8. a cover; 9. a screw; 10. a screw; 11. tail end; 12. an anti-falling member; 13. a plug-in component; 14. a plug-in groove; 15. an avoidance groove; 16. an elastic member; 17. a buckle; 18. a clamping groove; 19. cutting a groove; 20. a rolling support assembly; 21. a support base; 22. and (3) rolling balls.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the ceiling sound box disclosed in this embodiment includes a casing 1 and a speaker assembly 2 disposed at a lower end of the casing 1, wherein an abutment ring 3 for abutting against a lower plate surface of a ceiling is annularly disposed on an outer peripheral surface of the casing 1 and at a lower end position thereof, and three locking mechanisms 4 for clamping the ceiling in cooperation with the abutment ring 3 are annularly disposed on an upper end surface of the abutment ring 3. Specifically, the locking mechanism 4 comprises a pressing buckle 5, an installation seat 6 arranged on the upper end face of the abutting ring 3, a chute 7 arranged on the side face, away from the shell 1, of the installation seat 6 for clamping and sliding up and down of the tail end 11 of the pressing buckle 5, a sealing cover 8 arranged at the upper end of the chute 7, and a screw 9, wherein the screw 9 sequentially rotates to penetrate through the abutting ring 3, the chute 7 and the sealing cover 8, a screw rod 10 of the screw 9 is in threaded fit with the tail end 11 of the pressing buckle 5, and an anti-falling piece 12 for preventing the screw 9 from being separated from the sealing cover 8 is arranged at the tail end of the screw rod 10. The upper part of the tail end 11 of the pressing buckle 5 is provided with a plug connector 13, the plug connector 13 is an arc-shaped plate, and the circle center of the arc-shaped plate coincides with the central shaft of the screw 9. The cover surface of the sealing cover 8 is provided with a plugging groove 14 for plugging the plug connector 13, the shape of the plugging groove 14 is adapted to the shape of the plug connector 13, and the arc length of the plugging groove 14 is slightly larger than that of the plug connector 13, so that the plug connector 13 can have a certain movable space in the plugging groove 14. In this embodiment, when the screw 9 is circumferentially rotated in response to an external trigger to enable the screw 10 to drive the tail end 11 of the compression buckle 5 to rise, the compression buckle 5 can be folded inwards under the torque force generated by the screw 9 until the tail end 11 of the compression buckle 5 rises to the top of the chute 7, the plug 13 is inserted into the plug groove 14 to prevent the compression buckle 5 from circumferentially rotating, and a avoiding groove 15 is formed on one side of the chute 7 and at a position close to the cover 8 to rise to the top of the chute 7 and the folded compression buckle 5 is accommodated.
Correspondingly, as shown in fig. 6, when the screw 9 responds to external trigger to perform reverse circumferential rotation so that the screw 10 drives the tail end 11 of the press buckle 5 to descend and the plug 13 is separated from the plug groove 14, the press buckle 5 can be separated from the avoidance groove 15 and spread outwards under the torsion force generated by the screw 9, and then the press buckle 5 descends along the chute 7 to be matched with the abutting ring 3 to clamp the ceiling, so that the installation of the ceiling sound box is completed.
As shown in fig. 4, in order to improve the installation efficiency and convenience of the ceiling sound box, the bottom of the chute 7 is provided with an elastic member 16 connected to the tail end 11 of the pressing buckle 5 so that the pressing buckle 5 has a tendency to be circumferentially separated from the avoiding groove 15. Specifically, the elastic member 16 is a torsion spring sleeved on the screw 10, one end of the torsion spring is fixed on the tail end 11 of the pressing buckle 5, and the other end of the torsion spring is fixed on the bottom of the chute 7.
As shown in fig. 7 and 8, in order to reduce the difficulty of identifying the second hand of the ceiling sound box, the buckle 17 is disposed on the side of the compressing buckle 5, which is away from the avoiding groove 15, the clamping groove 18 for clamping the buckle 17 is disposed on the side of the compressing buckle 5, which is away from the avoiding groove 15, and when the inserting piece 13 is inserted into the inserting groove 14, the elastic piece 16 can drive the compressing buckle 5 to rotate in the direction away from the avoiding groove 15, so as to drive the buckle 17 to clamp into the clamping groove 18. The lower side of the buckle 17 is provided with a cutting groove 19, and the cutting groove 19 is positioned at the joint of the buckle 17 and the plug connector 13.
As shown in fig. 7, to reduce friction between the tail end 11 of the press buckle 5 and the sealing cover 8, a rolling support assembly 20 is disposed above the tail end 11 of the press buckle 5 so that the tail end 11 of the press buckle 5 is in rolling contact with the sealing surface of the sealing cover 8. Specifically, the rolling support assembly 20 includes a support seat 21 and a ball 22, the support seat 21 is fixedly inserted into the upper surface of the tail end 11 of the pressing buckle 5, the ball 22 is rollingly inserted into the upper surface of the support seat 21, when the inserting member 13 is inserted into the inserting groove 14, the ball 22 abuts against the covering surface of the cover 8, and the buckle 17 is opposite to the clamping groove 18, so that the buckle 17 can conveniently enter the clamping groove 18.
The specific use process is as follows:
when the ceiling sound box leaves the factory, the pressing buckle 5 on the locking mechanism 4 needs to be placed in a furled state. In operation, the screw 9 is driven to rotate by the screwdriver, so that the screw rod 10 of the screw 9 drives the compression buckle 5 to ascend. When the pressing buckle 5 rises to the position where the avoiding groove 15 is located, the screw 9 drives the pressing buckle 5 to retract inwards through the torsion of the screw and overcomes the elastic driving force of the elastic piece 16, so that the pressing buckle 5 continues to rise in the avoiding groove 15 until the ball 22 on the rolling support assembly 20 is abutted to the covering surface of the sealing cover 8, and the plug connector 13 at the tail end 11 of the pressing buckle 5 is inserted into the plug groove 14 of the sealing cover 8, so that the circumferential limit of the pressing buckle 5 is completed. At this time, under the elastic force of the elastic member 16, the pressing buckle 5 can rebound for a small distance to drive the buckle 17 on the plug-in connector 13 to enter the clamping groove 18 on the plug-in groove 14, thereby completing the folding of the pressing buckle 5.
When the ceiling speaker is mounted, the housing 1 of the speaker is inserted into a mounting hole (not shown) of the ceiling so that the contact ring 3 contacts the lower plate surface of the ceiling. At this time, the screw 9 on the locking mechanism 4 is driven to rotate by the screwdriver, so that the shaft 10 of the screw 9 drives the compression buckle 5 to descend. During the descending process, the plug connector 13 breaks through the connection between the buckle 17 and the clamping groove 18 through the cutting groove 19, and can be separated from the plug groove 14. When the plug-in component 13 is separated from the plug-in groove 14, the pressing buckle 5 can be separated from the avoiding groove 15 and spread outwards under the elastic force of the elastic component 16. With the continued rotation of the screw 9, the compression buckle 5 can continue to descend along the chute 7, and finally the compression buckle is matched with the abutting ring 3 to clamp the ceiling. After all the pressing buckles 5 on all the locking mechanisms 4 clamp the ceiling, the ceiling sound box can be stably installed in an installation hole (not shown) of the ceiling.
When the ceiling sound box is disassembled, the screw 9 is reversely rotated by the screwdriver so as to drive the pressing buckle 5 to ascend. When the pressing buckle 5 rises to the position where the avoiding groove 15 is located, the pressing buckle 5 can overcome the elastic force of the elastic piece 16 to fold inwards into the corresponding avoiding groove 15 under the torsion generated by the rotation of the screw 9. Along with the continuous rotation of the screw 9, the pressing buckle 5 can continuously ascend in the avoiding groove 15 until the plug connector 13 at the tail end 11 of the pressing buckle 5 is inserted into the plug groove 14 of the sealing cover 8, so as to complete the circumferential limit of the pressing buckle 5. At this time, in the process of taking out the ceiling sound box, the pressing buckle 5 can not actively expand outwards, so that the disassembly efficiency and convenience of the ceiling sound box are improved.
Claims (8)
1. The utility model provides a ceiling sound box, includes casing (1) and sets up in speaker subassembly (2) of casing (1) lower extreme, and the outer peripheral face of casing (1) and in its lower extreme position ring are equipped with the butt ring (3) that are used for the face under the butt ceiling, its characterized in that: the upper end face ring of the abutting ring (3) is provided with a plurality of locking mechanisms (4) for being matched with the abutting ring (3) to clamp a ceiling, each locking mechanism (4) comprises a pressing buckle (5), a mounting seat (6) arranged on the upper end face of the abutting ring (3), a sliding groove (7) arranged on the side face of the mounting seat (6) away from the shell (1) for clamping and sliding up and down the tail end (11) of the pressing buckle (5), a sealing cover (8) arranged at the upper end of the sliding groove (7) and a screw (9), the screw (9) sequentially rotates to penetrate through the abutting ring (3), the sliding groove (7) and the sealing cover (8), and a screw rod (10) of the screw (9) is in threaded fit with the tail end (11) of the pressing buckle (5); the tail end (11) top of clamp knot (5) is provided with plug connector (13), and the lid of closing cap (8) is offered and is supplied plug connector (13) grafting spliced groove (14), and response outside trigger carries out circumferential rotation so that screw (9) tail end (11) of screw rod (10) drive clamp knot (5) rise, and clamp knot (5) can inwards draw in under the torsion that screw (9) produced until tail end (11) of clamp knot (5) rise to spout (7) top, and plug connector (13) are inserted spliced groove (14) to prevent clamp knot (5) circumferential rotation.
2. A ceiling speaker as set forth in claim 1, wherein: the tail end of the screw rod (10) is provided with an anti-falling part (12) for preventing the screw (9) from falling off the sealing cover (8), one side of the chute (7) is provided with an avoidance groove (15) at a position close to the sealing cover (8) so as to rise to the top of the chute (7) and the folded compression buckle (5) is stored;
when the screw (9) responds to external triggering to perform reverse circumferential rotation so that the screw (10) drives the tail end (11) of the compression buckle (5) to descend, the plug connector (13) is separated from the plug groove (14), the compression buckle (5) can be separated from the avoidance groove (15) and expanded outwards under the torsion generated by the screw (9), and then the compression buckle (5) descends along the chute (7) to be matched with the abutting ring (3) to clamp the ceiling.
3. A ceiling sound box according to claim 1 or 2, characterized in that: the bottom of the chute (7) is provided with an elastic piece (16) which is connected with the tail end (11) of the pressing buckle (5) so that the pressing buckle (5) has a trend of being circumferentially separated from the avoidance groove (15).
4. A ceiling speaker according to claim 3, wherein: the elastic piece (16) is a torsion spring sleeved on the screw (10), one end of the torsion spring is fixed at the tail end (11) of the pressing buckle (5), and the other end of the torsion spring is fixed at the bottom of the chute (7).
5. A ceiling speaker according to claim 3, wherein: the plug connector (13) is provided with buckle (17) in the direction side that compresses tightly detains (5) and breaks away from dodge groove (15), and draw-in groove (18) that supply buckle (17) joint have been seted up in the direction side that compresses tightly detains (5) and breaks away from dodge groove (15), and when plug connector (13) inserts plug connector (14), elastic component (16) can order about to compress tightly detaining (5) and rotate towards the direction of keeping away from dodge groove (15) to drive buckle (17) card income draw-in groove (18).
6. A ceiling speaker as set forth in claim 5, wherein: the lower side of the buckle (17) is provided with a cutting groove (19), and the cutting groove (19) is positioned at the joint of the buckle (17) and the plug connector (13).
7. A ceiling speaker as set forth in claim 5, wherein: a rolling support assembly (20) is arranged above the tail end (11) of the pressing buckle (5) so that the tail end (11) of the pressing buckle (5) is in rolling contact with the covering surface of the sealing cover (8).
8. A ceiling speaker as set forth in claim 7, wherein: the rolling support assembly (20) comprises a support seat (21) and balls (22), the support seat (21) is fixedly inserted into the upper surface of the tail end (11) of the pressing buckle (5), the balls (22) are embedded into the upper surface of the support seat (21) in a rolling mode, when the plug connector (13) is inserted into the inserting groove (14), the balls (22) are abutted to the covering surface of the sealing cover (8), and the clamping buckle (17) is opposite to the clamping groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410227414.1A CN117812493A (en) | 2024-02-29 | 2024-02-29 | Ceiling loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410227414.1A CN117812493A (en) | 2024-02-29 | 2024-02-29 | Ceiling loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117812493A true CN117812493A (en) | 2024-04-02 |
Family
ID=90430439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410227414.1A Pending CN117812493A (en) | 2024-02-29 | 2024-02-29 | Ceiling loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117812493A (en) |
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2024
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