CN218181305U - Projector shell and projector with good sealing performance - Google Patents
Projector shell and projector with good sealing performance Download PDFInfo
- Publication number
- CN218181305U CN218181305U CN202121061617.6U CN202121061617U CN218181305U CN 218181305 U CN218181305 U CN 218181305U CN 202121061617 U CN202121061617 U CN 202121061617U CN 218181305 U CN218181305 U CN 218181305U
- Authority
- CN
- China
- Prior art keywords
- hole
- sound
- pickup
- projector
- circuit board
- 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
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model discloses a projector shell and projector that leakproofness is good, wherein, projector shell that the leakproofness is good includes: the shell wall is one side wall of the projector shell, and is provided with a pickup hole communicated with the outside of the projector; the microphone circuit board comprises a first board surface and a second board surface which are opposite and deviated from each other, the first board surface is connected with the shell wall, a pickup piece is installed on the second board surface, and a sound through hole communicated with the pickup hole is formed in the position, corresponding to the pickup piece, of the microphone circuit board, so that a pickup channel is formed by the sound through hole and the pickup hole; the pressing plate is partially attached to the second plate surface and is fixedly connected with the shell wall, so that the microphone circuit board is clamped between the pressing plate and the shell wall, and the sound through hole and the sound pickup hole are tightly communicated. The utility model discloses technical scheme improves the leakproofness of pickup passageway to improve the effect that the outside sound was gathered to the projector.
Description
Technical Field
The utility model relates to a projection equipment technical field, in particular to projector shell and projector that leakproofness is good.
Background
Along with the improvement of living standard of people, people use the projector more and more. The projector is generally provided with a microphone inside, which can be used to collect and play sound. The existing projector is unreasonable in installation design, gaps are easy to occur between components, and the tightness of a pickup channel for communicating the outside of the projector and a microphone is poor, so that the effect of collecting external sounds by the projector is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projector shell that the leakproofness is good aims at improving the leakproofness of pickup passageway to improve the effect that the outside sound was gathered to the projector.
In order to achieve the above object, the utility model provides a projector shell that leakproofness is good, include:
the shell wall is one side wall of the projector shell, and is provided with a pickup hole communicated with the outside of the projector;
the microphone circuit board comprises a first board surface and a second board surface which are opposite and deviated from each other, the first board surface is connected with the shell wall, a pickup piece is installed on the second board surface, and a sound through hole communicated with the pickup hole is formed in the position, corresponding to the pickup piece, of the microphone circuit board, so that a pickup channel is formed by the sound through hole and the pickup hole;
the pressing plate is partially attached to the second plate surface and is fixedly connected with the shell wall, so that the microphone circuit board is clamped between the pressing plate and the shell wall, and the sound through hole and the sound pickup hole are tightly communicated.
Optionally, a mounting column is arranged on one side, facing the microphone circuit board, of the casing wall, the compression plate and the microphone circuit board correspond to the mounting column, a first mounting hole and a second mounting hole are respectively arranged on the mounting column, the mounting column sequentially penetrates through the second mounting hole and the first mounting hole, and a connecting hole for connecting a fastener is arranged in the mounting column to connect the compression plate and the casing wall through the fastener.
Optionally, a sealant is arranged between the second plate surface of the microphone circuit board and the casing wall, a communication hole is formed in a position of the sealant corresponding to the pickup channel, and the communication hole is communicated with the pickup channel.
Optionally, a first adhesive layer is arranged between the sealant and the shell wall, one side of the first adhesive layer is attached to the sealant, the other side of the first adhesive layer is attached to the shell wall, the first adhesive layer corresponds to the pickup channel and is provided with a through hole, and the through hole is communicated with the pickup channel.
Optionally, pickup spare quantity is a plurality of, and a plurality of pickup spare even distribution are in on the second face, the connector is installed to the second face, the connector is connected with each pickup spare respectively, the connector closes on any one of them pickup spare setting the pressure strip towards one side of second face is equipped with dodges the space, the connector is located dodge in the space.
Optionally, one side of the pressing plate facing the second plate surface is provided with an accommodating space, and the sound pickup piece is located in the accommodating space.
Optionally, the pickup piece and the accommodating space have an isolation gap.
Optionally, the diameter of the sound pickup hole is larger than or equal to the diameter of the sound through hole; and/or the presence of a gas in the gas,
the pressure strip is an aluminum alloy pressure strip.
Optionally, the projector shell that the leakproofness is good still includes the decoration panel, the decoration panel face the conch wall deviates from one side setting of microphone circuit board, be equipped with the sound inlet hole of intercommunication projector outside and pickup channel on the decoration panel be equipped with the second viscose layer between decoration panel and the conch wall.
The utility model also provides a projector, projector includes the aforesaid projector shell that the leakproofness is good.
The utility model discloses technical scheme is through being connected pressure strip and conch wall fastening, thereby the microphone circuit board that will be located between pressure strip and the conch wall is tight, make the sound hole that leads to on the microphone circuit board and pick up on the conch wall the sound hole and closely put through, thereby the pickup passageway that leads to the sound hole and pick up the sound hole and form has been avoided as far as possible produces the gap in switch-on department, the leakproofness of pickup passageway has been improved, make the outside sound of projector can smoothly effectually reach pickup spare department through pickup passageway, thereby make pickup spare can smoothly and effectively gather the outside sound of projector, the effect that the projector gathered outside sound has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a projector housing with good sealing performance according to the present invention;
fig. 2 is a schematic structural diagram of a casing wall in a projector casing with good sealing performance according to the present invention;
fig. 3 is an exploded schematic view of the projector housing with good sealing performance according to the present invention;
fig. 4 is a schematic sectional view of the projector housing with good sealing performance;
fig. 5 is a partial enlarged view of a portion a in fig. 4.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 10 | Projector |
100 | |
| 110 | |
120 | |
| 121 | Connecting |
130 | |
| 200 | |
210 | The |
| 220 | |
221 | |
| 222 | Connector with a |
230 | Sound through |
| 240 | |
300 | |
| 310 | |
320 | |
| 330 | |
340 | |
| 400 | |
410 | Communicating |
| 420 | Third mounting hole | 500 | A first |
| 510 | Through |
520 | |
| 600 | |
610 | Sound inlet hole |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, and includes a technical scheme a, a technical scheme B, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific structure of the projector housing having good sealing performance will be mainly described below.
Referring to fig. 1 to 5, in an embodiment of the present invention, the projector housing with good sealing performance includes:
a casing wall 100, wherein the casing wall 100 is one of the side walls of the projector casing 10, and the casing wall 100 is provided with a sound pickup hole 110 communicating with the outside of the projector;
the microphone circuit board 200 comprises a first board surface 210 and a second board surface 220 which are opposite to each other, the first board surface 210 is connected with the shell wall 100, a sound pickup piece 221 is mounted on the second board surface 220, and a sound through hole 230 communicated with the sound pickup hole 110 is formed in the position, corresponding to the sound pickup piece 221, of the microphone circuit board 200, so that the sound through hole 230 and the sound pickup hole 110 form a sound pickup channel 130;
the pressing plate 300 is partially attached to the second plate 220, the pressing plate 300 is tightly connected to the casing wall 100, so as to clamp the microphone circuit board 200 between the pressing plate 300 and the casing wall 100, and the sound hole 230 and the sound collecting hole 110 are tightly connected.
Specifically, in this embodiment, the shell wall 100 is one of the side walls of the projector shell 10, and the microphone circuit board 200 may be in a ring shape, and may be provided with a plurality of sound pickup elements 221, and then may be further provided with a connector 222, the connector 222 is electrically connected to the plurality of sound pickup elements 221, the sound pickup element 221 is an element for collecting sound, such as a common microphone, and may also be a digital mark, and the like, the sound pickup element 221 is provided corresponding to the sound through hole 230, the sound through hole 230 is communicated with the sound through hole 110 on the shell wall 100 to form the sound pickup channel 130, and when in operation, the sound pickup element 221 collects sound outside the projector through the sound pickup channel 130.
Regarding the pressing plate 300, the whole shape thereof is the same as the microphone circuit board 200 to improve the structural regularity, the pressing plate 300 is partially disposed to be attached to the second panel to increase the contact surface between the two, and improve the connection stability between the two, there are various fastening connection modes of the pressing plate 300 and the casing wall 100, such as a threaded connection, a screw connection, a snap connection, etc., so that the microphone circuit board 200 between the pressing plate 300 and the casing wall 100 is clamped, and the sound through hole 230 and the sound pickup hole 110 are tightly connected.
The embodiment of the utility model provides an in, through with pressure strip 300 and conch wall 100 fastening connection, thereby to be located the microphone circuit board 200 between pressure strip 300 and the conch wall 100 and press from both sides tightly, make the sound hole 230 that leads to on the microphone circuit board 200 and pick up the sound hole 110 on the conch wall 100 and closely put through, thereby the sound pickup passageway 130 that leads to the sound hole 230 and forms with the sound pickup hole 110 has avoided as far as possible produces the gap in the switch-on department, the leakproofness of pick up passageway 130 has been improved, make the sound of the projector outside smoothly effectual pick up piece 221 department of reacing through the sound pickup passageway 130, thereby make the sound pickup piece 221 can smoothly effectual collection projector outside sound, the effect of the outside sound of projector collection has been improved.
The following description will discuss an example of a connection manner between the microphone circuit board 200 and the pressing plate 300 and the casing wall 100. In some embodiments, a mounting post 120 is disposed on a side of the casing wall 100 facing the microphone circuit board 200, the pressing plate 300 and the microphone circuit board 200 are respectively provided with a first mounting hole 310 and a second mounting hole 240 corresponding to the mounting post 120, the mounting post 120 is sequentially inserted through the second mounting hole 240 and the first mounting hole 310, and a connecting hole 121 for a fastener to connect is disposed in the mounting post 120, so that the pressing plate 300 and the casing wall 100 are connected by the fastener. During specific application, threads can be arranged in the connecting holes 121, and the fasteners can be bolts or screws, during installation, the mounting posts 120 are aligned with the second mounting holes 240 and the first mounting holes 310 on the microphone circuit board 200 and the pressure plate 300 and sequentially pass through the second mounting holes 240 and the first mounting holes 310, so that the microphone circuit board 200 and the pressure plate 300 are firstly pre-fixed on the shell wall 100, and then the side of the pressure plate 300, which is far away from the microphone circuit board 200, is screwed into the connecting holes 121 of the mounting posts 120 by the fasteners with corresponding sizes, so that the pressure plate 300 and the shell wall 100 are tightly connected together by the fasteners, and the pressure plate 300 is tightly connected with the shell wall 100. In this embodiment, the erection column 120 not only can be used for realizing the fastening connection of pressure strip 300 and conch wall 100 with the fastener cooperation, because it wears to establish microphone circuit board 200 and pressure strip 300 setting, to a certain extent to microphone circuit board 200 and pressure strip 300 play spacing effect, be favorable to improving the steadiness that conch wall 100 is connected with microphone circuit board 200 and pressure strip 300, thereby be favorable to improving the leakproofness of pickup channel 130, make the outside sound of projector smoothly effectual through pickup channel 130 arrival pickup piece 221 department, thereby make pickup piece 221 can smoothly effectual collection outside sound of projector, the effect of the outside sound of projector collection has been improved.
In some embodiments, in order to further improve the tightness between the microphone circuit board 200 and the casing wall 100, a sealant 400 is disposed between the second plate 220 of the microphone circuit board 200 and the casing wall 100, a communication hole 410 is disposed at a position of the sealant 400 corresponding to the sound pickup channel 130, and the communication hole 410 is communicated with the sound pickup channel 130. Specifically, the whole shape of the sealant 400 can correspond to the whole shape of the microphone circuit board 200, on the one hand, the regularity between the microphone circuit board 200 and the microphone circuit board 100 is improved, on the other hand, the contact area is increased, the sealing performance is improved, the material of the sealant 400 is selected in multiple ways, rubber can be selected, or silica gel or other elastic materials can be selected, the sealant can generate large elastic deformation, the sealant is arranged between the microphone circuit board 200 and the microphone circuit board 100 and is beneficial to sealing the gap between the microphone circuit board 200 and the microphone circuit board 100, the microphone circuit board 200 is more closely connected with the microphone circuit board 100, the sound through hole 230 is more closely connected with the sound pick-up hole 110, the sealing performance of the sound pick-up channel 130 is further improved, the effect of collecting external sound by the projector is improved, the communicating hole 410 which is connected with the sound pick-up channel 130 is arranged on the sealant 400, and the blocking of the sound pick-up channel 130 by the sealant 400 is avoided.
Further, a first adhesive layer 500 is arranged between the sealant 400 and the shell wall 100, one side of the first adhesive layer 500 is attached to the sealant 400, the other side of the first adhesive layer 500 is attached to the shell wall 100, a through hole 510 is arranged on the first adhesive layer 500 corresponding to the pickup channel 130, and the through hole 510 is communicated with the pickup channel 130. Specifically, first viscose layer 500 can be the double faced adhesive tape, through setting up first viscose layer 500, has improved the steadiness of being connected between sealed glue 400 and the conch wall 100 for sealed work that glue 400 can be stable is equipped with the through hole 510 with pickup channel 130 switch-on the first viscose layer 500, has avoided first viscose layer 500 to block pickup channel 130.
For improving the stability of the sealant 400 and the first adhesive layer 500, the third mounting hole 420 and the fourth mounting hole 520 are respectively arranged on the sealant 400 and the first adhesive layer 500 corresponding to the mounting post 120, and during installation, the mounting post 120 sequentially passes through the fourth mounting hole 520, the third mounting hole 420, the second mounting hole 240 and the first mounting hole 310 and then is connected with the connecting hole 121 of the mounting post 120 by a fastener, so that the mounting post 120 plays a limiting role on the sealant 400 and the first adhesive layer 500 to a certain extent, which is beneficial to improving the stability of the sealant 400 and the first adhesive layer 500, and enables the sealant 400 and the first adhesive layer 500 to stably play respective roles.
In some embodiments, the number of the sound pickup members 221 is multiple, the multiple sound pickup members 221 are uniformly distributed on the second board surface 220, the connector 222 is installed on the second board surface 220, the connector 222 is respectively connected to the sound pickup members 221, the connector 222 is disposed adjacent to any one of the sound pickup members 221, an avoiding space 340 is disposed on one side of the compression plate 300 facing the second board surface 220, and the connector 222 is located in the avoiding space 340. The connector 222 is arranged in this way, when the pressing plate 300 is installed, the avoiding space 340 needs to be aligned with the connector 222 for installation, so that the installation angle of the pressing plate 300 is limited, on one hand, convenience in installation is improved, on the other hand, people can conveniently design the pressing plate corresponding to the microphone circuit board 200 in advance, and tightness of connection between the pressing plate and the microphone circuit board is improved.
In some embodiments, a side of the pressing plate 300 facing the second plate 220 has a receiving space 320, and the sound pickup piece 221 is located in the receiving space 320. So, be favorable to accommodation space 320 to protect pickup piece 221, the effectual pickup piece 221 that prevents interferes with each other with other electronic component to the stability of pickup piece 221 work has been improved, thereby the effect of sound is gathered to pickup piece 221 has been improved. Further, the pickup piece 221 and the receiving space 320 have an isolation gap 330. Thus, the sound pickup piece 221 is prevented from colliding with the side wall of the pressure strip 300 enclosing to form the accommodating space 320, and the pressure strip 300 is prevented from influencing the operation of the sound pickup piece 221.
In some embodiments, the diameter of the sound pickup aperture 110 is greater than or equal to the diameter of the sound transmission aperture 230; and/or the pressing plate 300 is an aluminum alloy pressing plate 300. So set up for the whole by the diminishing of outside to inside of radial dimension of the pickup passageway 130 that forms, be favorable to sound to get into pickup passageway 130 and reach pickup piece 221 department, be favorable to pickup piece 221 to gather outside sound. Because the aluminum alloy matter is light and intensity is high, pressure strip 300 is aluminum alloy pressure strip 300, is favorable to alleviateing the weight of pressure strip 300, avoids pressure strip 300 to crush microphone circuit board 200, simultaneously because intensity is high, non-deformable, when the installation, difficult by the fastener damage, long service life is fit for using.
In some embodiments, the projector housing with good sealing performance further includes a decorative panel 600, the decorative panel 600 is disposed facing a side of the housing wall 100 away from the microphone circuit board 200, the decorative panel 600 is provided with a sound inlet 610 communicating the exterior of the projector and the sound pickup channel 130, and a second adhesive layer is disposed between the decorative panel 600 and the housing wall 100. Specifically, the trim panel 600 has oppositely facing appearance and mounting surfaces, the mounting surface being disposed facing the housing wall 100, and the second layer of adhesive is used to securely bond the trim panel 600 and the housing wall 100 together.
The utility model also provides a projector, this projector include the good projector shell of foretell leakproofness, and the concrete structure of the good projector shell of this leakproofness refers to above-mentioned embodiment, because this projector has adopted the whole technical scheme of all above-mentioned embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary detail here one by one.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A projector housing with good sealing performance is characterized by comprising:
the shell wall is one side wall of the projector shell, and is provided with a pickup hole communicated with the outside of the projector;
the microphone circuit board comprises a first board surface and a second board surface which are opposite and deviated from each other, the first board surface is connected with the shell wall, a pickup piece is installed on the second board surface, and a sound through hole communicated with the pickup hole is formed in the position, corresponding to the pickup piece, of the microphone circuit board, so that a pickup channel is formed by the sound through hole and the pickup hole;
the pressing plate is partially attached to the second plate surface and is fixedly connected with the shell wall, so that the microphone circuit board is clamped between the pressing plate and the shell wall, and the sound through hole and the sound pickup hole are tightly communicated.
2. The projector housing as claimed in claim 1, wherein a mounting post is disposed on a side of the housing wall facing the microphone circuit board, the pressing plate and the microphone circuit board are respectively provided with a first mounting hole and a second mounting hole corresponding to the mounting post, the mounting post is sequentially inserted into the second mounting hole and the first mounting hole, and a connecting hole for connecting a fastening member is disposed in the mounting post, so that the pressing plate and the housing wall are connected by the fastening member.
3. The projector housing as claimed in claim 1, wherein a sealant is disposed between the second plate of the microphone circuit board and the housing wall, and a communication hole is disposed at a position of the sealant corresponding to the sound collecting channel and is communicated with the sound collecting channel.
4. The projector housing as claimed in claim 3, wherein a first adhesive layer is disposed between the sealant and the casing wall, one surface of the first adhesive layer is attached to the sealant, the other surface of the first adhesive layer is attached to the casing wall, the first adhesive layer has a through hole corresponding to the sound pickup channel, and the through hole is connected to the sound pickup channel.
5. The projector housing as claimed in claim 1, wherein the number of the sound pickup members is plural, the plural sound pickup members are uniformly distributed on the second plate surface, the second plate surface is provided with a connector, the connector is respectively connected to the sound pickup members, the connector is disposed adjacent to any one of the sound pickup members, an avoiding space is disposed on a side of the pressing plate facing the second plate surface, and the connector is disposed in the avoiding space.
6. The projector housing as claimed in claim 1, wherein a side of the pressing plate facing the second plate has a receiving space, and the pickup is located in the receiving space.
7. The projector housing of claim 6, wherein the pickup member has a separation gap from the receiving space.
8. The projector housing with good sealing performance as claimed in claim 1, wherein the diameter of the sound pickup hole is greater than or equal to the diameter of the sound through hole; and/or the presence of a gas in the gas,
the pressure strip is an aluminum alloy pressure strip.
9. The projector housing with good sealing performance as claimed in any one of claims 1 to 8, wherein the projector housing with good sealing performance further comprises a decoration panel, the decoration panel is disposed facing a side of the housing wall away from the microphone circuit board, the decoration panel is provided with a sound inlet hole for communicating an exterior of the projector and a sound pickup channel, and a second adhesive layer is disposed between the decoration panel and the housing wall.
10. A projector comprising the projector housing as claimed in any one of claims 1 to 9 having good sealing performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061617.6U CN218181305U (en) | 2021-05-18 | 2021-05-18 | Projector shell and projector with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061617.6U CN218181305U (en) | 2021-05-18 | 2021-05-18 | Projector shell and projector with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218181305U true CN218181305U (en) | 2022-12-30 |
Family
ID=84605445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121061617.6U Active CN218181305U (en) | 2021-05-18 | 2021-05-18 | Projector shell and projector with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218181305U (en) |
-
2021
- 2021-05-18 CN CN202121061617.6U patent/CN218181305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213186938U (en) | Sealing waterproof device and vehicle-mounted LED display screen | |
| US3804195A (en) | Loudspeaker enclosure | |
| WO2020062697A1 (en) | Speaker module, and mobile terminal | |
| CN112360854B (en) | Three-opening clamping plate type connecting piece and office cabinet | |
| CN218181305U (en) | Projector shell and projector with good sealing performance | |
| WO2020062696A1 (en) | Speaker module, and mobile terminal | |
| WO2014201815A1 (en) | Dual waterproof connecting device | |
| CN210839942U (en) | Electronic equipment | |
| CN214381310U (en) | Wisdom box and multimedia device | |
| CN216340403U (en) | Modular combined wall | |
| CN215500032U (en) | Electronic device | |
| US6675514B1 (en) | Message center enclosure and method for making same | |
| CN216721527U (en) | Microphone sealing structure and electronic equipment | |
| CN216775016U (en) | Waterproof membrane assembly and electronic product | |
| CN210462957U (en) | Three-proofing clean lamp | |
| CN218091736U (en) | Ultra-microporous acoustic sound absorption board | |
| CN217979201U (en) | Controller and air conditioner | |
| CN218550091U (en) | Sound box with main sectional material structure | |
| CN220965148U (en) | Embedded loudspeaker structure | |
| CN211233319U (en) | Panel assembly of air conditioner and air conditioner | |
| CN214507312U (en) | Front panel bugle and sound box | |
| CN218522028U (en) | Sound-absorbing curtain wall aluminum veneer | |
| CN216057909U (en) | Protection device for 5G communication printed circuit board | |
| CN220457556U (en) | Electroacoustic equipment | |
| CN211787998U (en) | Outdoor LED display screen box with various splicing modes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |