CN210442625U - Casing of projection equipment and projection equipment - Google Patents

Casing of projection equipment and projection equipment Download PDF

Info

Publication number
CN210442625U
CN210442625U CN201921731453.6U CN201921731453U CN210442625U CN 210442625 U CN210442625 U CN 210442625U CN 201921731453 U CN201921731453 U CN 201921731453U CN 210442625 U CN210442625 U CN 210442625U
Authority
CN
China
Prior art keywords
cover plate
housing
projection device
shell
installation cavity
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
CN201921731453.6U
Other languages
Chinese (zh)
Inventor
许继瑞
郭佳
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.)
Chengdu Ongine Technology Ltd
Original Assignee
Chengdu Ongine Technology 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 Chengdu Ongine Technology Ltd filed Critical Chengdu Ongine Technology Ltd
Priority to CN201921731453.6U priority Critical patent/CN210442625U/en
Application granted granted Critical
Publication of CN210442625U publication Critical patent/CN210442625U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses a projection equipment's shell and projection equipment, wherein, this projection equipment's shell includes: the shell is provided with an installation cavity and two openings penetrating through the wall of the installation cavity, wherein one of the two openings is used for allowing external air to enter the installation cavity, and the other of the two openings is used for exhausting the air in the installation cavity; two apron all are provided with a plurality of ventilation holes that are the array and arrange, and the apron can be dismantled with the casing and be connected to the opening that the closing cap corresponds. So set up, the cleanness of the apron of being convenient for, the inside cleanness of the shell of this projecting apparatus of still being convenient for simultaneously.

Description

Casing of projection equipment and projection equipment
Technical Field
The utility model relates to a projection equipment technical field, in particular to projection equipment's shell and projection equipment.
Background
The existing projection equipment generally comprises a shell, an optical machine, a main control board, a fan and the like, wherein the optical machine, the main control board, the fan and the like are arranged inside the shell, the shell is generally provided with an air inlet and an air outlet, the fan can drive the air outside the shell to enter the shell through the air inlet, and meanwhile, the air inside the shell is driven to be discharged to the outside of the shell from the air outlet so as to take away the heat generated during the working of the optical machine and the main control.
However, the air inlet and the air outlet on the housing of the existing projection device are formed by the grating structure on the housing, which causes the housing of the projection device to be disassembled if the interior of the housing of the projection device needs to be cleaned, and further causes the interior of the housing of the projection device to be inconvenient to clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projection equipment's shell, aim at making things convenient for the cleanness of projection equipment's shell.
To achieve the above object, the present invention provides a housing of a projection device, which includes: the shell is provided with an installation cavity and two openings penetrating through the wall of the installation cavity, wherein one of the two openings is used for allowing external air to enter the installation cavity, and the other of the two openings is used for exhausting the air in the installation cavity; two apron all are provided with a plurality of ventilation holes that are the array and arrange, the apron with the connection can be dismantled to the casing to the opening that the closing cap corresponds.
Optionally, a first magnetic member is arranged on the periphery of the opening; the cover plate is provided with a second magnetic part, and the second magnetic part and the first magnetic part are magnetically adsorbed to connect the cover plate and the shell.
Optionally, the first magnetic member is a metal sheet capable of being magnetically attracted, and the metal sheet covers the edge of the opening; the second magnetic part comprises a magnet with a magnetic adsorption effect, and the magnet is embedded in the cover plate.
Optionally, the housing is provided with a receptacle located at the periphery of the opening; the surface of the cover plate facing the shell is provided with a plug pin which is in plug-in fit with the jack.
Optionally, the bolt includes a plurality of shell fragments that are annular interval arrangement, the shell fragment include with the linkage segment of apron connection with locate the spacing arch of linkage segment surface.
Optionally, the housing of the projection device further comprises a filter screen mounted between the cover plate and the housing to filter air passing through the opening.
Optionally, a third magnetic member is arranged on the periphery of the filter screen; and a fourth magnetic part magnetically adsorbed to the third magnetic part is arranged on the cover plate or the shell.
Optionally, the aperture of the vent hole on the cover plate is gradually reduced from the middle of the cover plate to the edge of the cover plate.
Optionally, the density of the vent holes on the cover plate is gradually reduced from the middle of the cover plate to the edge of the cover plate.
The utility model also provides a projection equipment, this projection equipment includes ray apparatus, main control board, fan and projection equipment's shell, and wherein, this projection equipment's shell includes:
the main control board is provided with a fan, a casing which is provided with an installation cavity for installing the optical machine, the main control board and the fan and two openings which penetrate through the wall of the installation cavity, wherein one of the two openings is used for allowing external air to enter the installation cavity, and the other of the two openings is used for exhausting the air in the installation cavity;
two apron all are provided with a plurality of ventilation holes that are the array and arrange, the apron with the connection can be dismantled to the casing to the opening that the closing cap corresponds.
The utility model discloses a set up installation cavity and two openings that run through installation cavity partial chamber wall on the casing of projection equipment's shell, come two openings on the closing cap casing through setting up two laps, thereby make the outside air get into the installation cavity must pass through the apron, and then make to mix in the air and the great particulate matter of volume can obtain effectually blockking, two laps can be dismantled with the casing simultaneously and be connected, this just is convenient for two laps and dismantles from the casing, and then the cleanness of the apron of being convenient for, the inside cleanness of projection equipment's shell of still being convenient for simultaneously.
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 an exploded view of an embodiment of a housing of a projection device according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the housing of FIG. 1;
FIG. 3 is a cross-sectional view of an embodiment of the cover plate of FIG. 1;
fig. 4 is an enlarged schematic view of a portion a of fig. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Casing of projection equipment 22 Second magnetic part
10 Shell body 14 Jack hole
20 Cover plate 23 Bolt
11 Mounting cavity 231 Spring plate
12 Opening of the container 231a Connecting segment
21 Vent hole 231b Spacing protrusion
13 First magnetic part
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
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, if directional indications (such as up, down, left, right, front, and back) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly 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, 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 utility model provides a projection equipment's shell, this projection equipment's shell supply parts such as projection equipment's ray apparatus, main control board, fan installation, and this projection equipment's shell is provided with and supplies air admission and exhaust opening to the ray apparatus heat dissipation of being convenient for.
Referring to fig. 1, a housing 100 of the projection apparatus includes a housing 10 and two cover plates 20; the shell 10 is provided with a mounting cavity 11 and two openings 12 which are arranged by penetrating through the wall of the mounting cavity 11, wherein one of the two openings 12 is used for external air to enter the mounting cavity 11, and the other one of the two openings 12 is used for air in the mounting cavity 11 to be discharged; a plurality of vent holes 21 arranged in an array are formed in the two cover plates 20, and the two cover plates 20 are detachably connected with the housing 10 to close the corresponding openings 12.
The shape of the housing 10 can be various, and can be square, cylindrical, and other shapes, which are not listed here. The housing 10 can be made of various materials, such as metal material, such as aluminum, aluminum alloy, copper, etc., or plastic material, such as polypropylene, polycarbonate, etc., or other materials, for example. The housing 10 is provided with an installation cavity 11 inside, the installation cavity 11 may be in a regular shape (a square shape, a cylindrical shape, etc.) or an irregular shape, the housing 10 is provided with two openings 12 in a penetrating manner, the openings 12 may be in a circular shape, a square shape, and other shapes, the size of the openings 12 may be set according to actual conditions, and the size of the openings 12 is usually slightly larger than that of the optical engine, so that the optical engine is conveniently installed in the installation cavity 11.
The cover plate 20 may be made of the same material as or different from that of the housing 10, that is, the cover plate 20 may be made of a metal material, the cover plate 20 may also be made of a plastic material, and the cover plate 20 may also be made of other materials. The cover plate 20 has a size slightly larger than that of the opening 12 so that the cover plate 20 can completely cover the opening 12 of the housing 10. The number of the openings 12 may be two or more than two, and is not particularly limited. A plurality of ventilation holes 21 on this apron 20 can be circular array and arrange, and a plurality of ventilation holes 21 on this apron 20 can be square array and arrange, and a plurality of ventilation holes 21 on this apron 20 can also be the array of other shapes and arrange, and it is not listed one by one here. The shape of the vent 21 is varied and may be circular, square, and other regular shapes, or crescent, wave, and other irregular shapes.
The cover plate 20 is detachably connected with the housing 10 in various ways, for example, the cover plate 20 and the housing 10 can be detachably connected with a latch 23 through a latch 23; the cover plate 20 and the shell 10 can be connected through a magnetic component; the cover plate 20 and the housing 10 may be connected in other ways, which are not listed here.
The utility model discloses a set up installation cavity 11 and two openings 12 that run through 11 partial chamber walls in installation cavity on the casing 10 of projection equipment's shell 100, two openings 12 on coming the closing cap casing 10 through setting up two apron 20, thereby make the outside air get into must pass through apron 20 in the installation cavity 11, and then make and mix in the air and the great particulate matter of volume can obtain effectual blockking, two apron 20 can dismantle with casing 10 simultaneously and be connected, this is just convenient for two apron 20 and dismantles from casing 10, thereby be convenient for the cleanness of apron 20, and then be convenient for the inside cleanness of projection equipment's shell 100.
In an embodiment of the present invention, the cover plate 20 is fixed to the housing 10 by a magnetic assembly. Specifically, referring to fig. 2 and 3, a first magnetic member 13 is disposed on a periphery of the opening 12, the cover plate 20 is disposed with a second magnetic member 22, and the cover plate 20 is connected to the housing 10 by magnetic attraction between the second magnetic member 22 and the first magnetic member 13.
When the cover plate 20 is assembled with the housing 10, the cover plate 20 can be mounted on the housing 10 only by aligning the first magnetic member 13 on the cover plate 20 with the second magnetic member 22 at the corresponding position on the housing 10, and compared with the case that the cover plate 20 is fixed on the housing 10 by screws, the cover plate 20 is fixed on the housing 10 by using magnetic components, so that more time can be saved, and the cover plate 20 can be conveniently detached from the housing 10.
It should be noted that there are many ways to achieve the magnetic attraction between the first magnetic member 13 and the second magnetic member 22, for example, the first magnetic member 13 may include a magnet with magnetic attraction, the second magnetic member 22 may also include a magnet with magnetic attraction, and for example, the first magnetic member 13 may include a magnet with magnetic attraction, the second magnetic member 22 may include a metal capable of being magnetically attracted, or the first magnetic member and the second magnetic member 22 may include a metal capable of being magnetically attracted, and the second magnetic member 22 includes a magnet capable of being magnetically attracted.
Preferably, the first magnetic member 13 includes a metal sheet capable of being magnetically attracted, the metal sheet may be an aluminum sheet, a copper sheet, or the like, the metal sheet is disposed to cover the edge of the opening 12, and the second magnetic member 22 includes a magnet having a magnetic attraction effect, and the magnet is embedded in the cover plate 20. So configured, it is convenient to connect and detach the cover plate 20 and the housing 10, and also to install the metal sheet and the magnet.
In another embodiment of the present invention, the cover plate 20 is fixed to the housing 10 by plugging. Specifically, referring to fig. 1, the housing 10 is provided with a plug hole 14 at the periphery of the opening 12, and the surface of the cover plate 20 facing the housing 10 is provided with a plug 23, and the plug 23 is inserted into and matched with the plug hole 14, so that the cover plate 20 is connected with the housing 10.
Further, referring to fig. 4, the latch 23 includes a plurality of resilient pieces 231 arranged at intervals in a ring shape, and the resilient pieces 231 include a connecting section 231a connected to the cover plate 20 and a limiting protrusion 231b disposed on an outer surface of the connecting section 231 a.
When the plug 23 is in inserting engagement with the jack 14, the plurality of elastic pieces 231 are elastically deformed and gathered under the action of external force, so that the plurality of elastic pieces 231 can pass through the jack 14, after the external force is restrained and eliminated, the plurality of elastic pieces 231 recover the elastic deformation, and the limiting protrusion 231b on the elastic pieces 231 is abutted against the hole edge of the jack 14 for limiting.
Obviously, the plug 23 may also have other structures, for example, the plug 23 includes a connecting section connected to the cover plate 20 and a limiting section disposed at an end of the connecting section far from the cover plate 20, an outer diameter of the limiting section gradually decreases from an end of the limiting section near the connecting section to an end of the limiting section far from the connecting section, and the outer diameter of the limiting section near the end of the connecting section is larger than the outer diameter of the connecting section; the rim of the insertion hole 14 is provided with a plurality of strip-shaped notches extending in the radial direction thereof and arranged in the circumferential direction thereof. This also facilitates the mating of the pins 23 with the receptacles 14 and also facilitates the attachment and detachment of the cover plate 20 to the housing 10.
Obviously, other modes can be adopted to connect between the cover plate 20 and the housing 10, which is not listed here, and all the modes that can realize the detachable connection between the cover plate 20 and the housing 10 are within the protection scope of the present invention.
In order to prevent dust in the air from entering the installation cavity 11, the housing 100 of the projection apparatus is further provided with a filter screen (not shown) at the opening 12, and the mesh of the filter screen is smaller than the aperture of the vent hole 21, so that smaller particles in the air can be effectively blocked, thereby preventing components such as a light machine, a fan, a main control board and the like installed in the installation cavity 11 from being affected by the dust, and further reducing the number of times of cleaning the inside of the housing 100 of the projection apparatus.
The filter screen may be detachably installed between the cover plate 20 and the housing 10 in consideration of the fact that the filter screen may be attached with a relatively large amount of dust after being used for a period of time, that is, the filter screen needs to be periodically cleaned.
In an embodiment of the present invention, the filter screen is connected to the cover plate 20 or the casing 10 through a magnetic assembly, specifically, a third magnetic member (not shown) is disposed on a periphery of the filter screen, a fourth magnetic member (not shown) is disposed on the cover plate 20 or the casing 10, and the third magnetic member and the fourth magnetic member are magnetically connected to connect the filter screen to the cover plate 20 or the casing 10.
Preferably, the filter screen may be made of aluminum metal, which enables the filter screen itself to be magnetically attracted by the magnet, i.e., the third magnetic element may be formed by the filter screen itself, and the fourth magnet may be formed by the magnet mounted on the cover plate 20 or the housing 10, which not only simplifies the structure of the housing 100 of the projection apparatus, but also facilitates the mounting and dismounting of the filter screen.
It should be noted that, when the cover plate 20 and the housing 10 are connected by a magnetic assembly, the filter screen is only required to be placed between the cover plate 20 and the housing 10, and the filter screen can be magnetically attracted by the first magnetic member 13 on the cover plate 20 or the second magnetic member 22 on the housing 10.
In the utility model discloses a further embodiment, this filter screen can also adopt the mode of joint to be connected with apron 20 or casing 10, and is concrete, and this apron 20 is provided with the draw-in groove that is relative setting in the surface that faces casing 10 or the position that casing 10 is located the double-phase offside of opening 12, and the double-phase offside of this filter screen all is provided with joint portion, and joint portion cooperates with the draw-in groove that corresponds to be connected filter screen and apron 20 or casing 10. This also facilitates the mounting and dismounting of the filter screen.
Of course, the filter screen can be installed between the cover plate 20 and the housing 10 in other ways, which are not listed here.
In order to avoid getting into the air in the installation cavity 11 and not producing the vortex because of the velocity of flow differs, can be the setting of casing 10 and be regular shape, preferably, this casing 10 cuboid or square or cylinder setting, if this casing 10 is cuboid or square setting, opening 12 on this casing 10 sets up on casing 10 is the relative curb plate that sets up, this opening 12's size is equivalent with casing 10's curb plate size simultaneously, if this casing 10 is the cylinder setting, opening 12 on this casing 10 sets up on the end plate at this casing 10 both ends, the size of this opening 12 is equivalent with the end plate size at casing 10 both ends simultaneously, just so make the air can be directly from an opening 12 flow to another opening 12, just so produce the vortex in the installation cavity 11, and then be convenient for the quick installation cavity 11 that passes through of air.
Considering that the arrangement of the plurality of ventilation holes 21 on the cover plate 20 affects the air throughput of the opening 12, in an embodiment of the present invention, the aperture of the ventilation holes 21 on the cover plate 20 is gradually reduced from the middle of the cover plate 20 to the edge of the cover plate 20. Because the quantity of the ventilation hole 21 in the middle of the cover plate 20 is less than the quantity of the ventilation hole 21 in the edge of the cover plate 20, the aperture of the ventilation hole 21 in the middle of the cover plate 20 is increased, and meanwhile, the aperture of the ventilation hole 21 in the edge of the cover plate 20 is reduced, so that the ventilation area in the middle of the cover plate 20 and the ventilation area in the edge of the cover plate 20 can be adjusted to be equivalent, thereby enabling the air quantity in each place of the cover plate 20 to be equivalent, further ensuring the condition that the air in the installation cavity 11 cannot generate turbulent flow when flowing, and further being beneficial to ensuring the heat dissipation speed of.
In another embodiment of the present invention, the density of the vent holes 21 in the middle of the cover plate 20 is gradually decreased toward the edge of the cover plate 20. Because the area in the middle of the cover plate 20 is smaller than the area at the edge of the cover plate 20, the density of the vent holes 21 in the middle of the cover plate 20 is increased, and the density of the vent holes 21 in the edge of the cover plate 20 is reduced, so that the vent area in the middle of the cover plate 20 is equivalent to the vent area at the edge of the cover plate 20, the air volume through the cover plate 20 is equivalent, the condition that the air in the installation cavity 11 can not flow randomly is ensured, and the heat dissipation speed of the projection equipment is favorably ensured.
Obviously, the vent holes 21 of the cover plate 20 may be arranged so that the amount of air passing through the vent holes 21 is equivalent, which is not always the case here.
The utility model provides a projection equipment, this projection equipment include projection equipment's shell, install ray apparatus, fan, the main control board in projection equipment shell, and the concrete structure of this projection equipment's shell refers to above-mentioned embodiment, because this projection equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and it is here no longer repeated.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all of which are under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A housing for a projection device, comprising:
the shell is provided with an installation cavity and two openings penetrating through the wall of the installation cavity, wherein one of the two openings is used for allowing external air to enter the installation cavity, and the other of the two openings is used for exhausting the air in the installation cavity;
two apron all are provided with a plurality of ventilation holes that are the array and arrange, the apron with the connection can be dismantled to the casing to the opening that the closing cap corresponds.
2. The projection device housing as claimed in claim 1, wherein a periphery of the opening is provided with a first magnetic member;
the cover plate is provided with a second magnetic part, and the second magnetic part and the first magnetic part are magnetically adsorbed to connect the cover plate and the shell.
3. The projection device housing as claimed in claim 2, wherein the first magnetic member is a metal sheet capable of being magnetically attracted, the metal sheet being disposed to cover an edge of the opening;
the second magnetic part comprises a magnet with a magnetic adsorption effect, and the magnet is embedded in the cover plate.
4. The projection device housing of claim 1, wherein the housing is provided with a receptacle at a periphery of the opening;
the surface of the cover plate facing the shell is provided with a plug pin which is in plug-in fit with the jack.
5. The projection device housing as claimed in claim 4, wherein the latch comprises a plurality of resilient pieces arranged in a ring shape at intervals, and the resilient pieces comprise a connecting section connected to the cover plate and a limiting protrusion disposed on an outer surface of the connecting section.
6. The projection device housing of claim 1, further comprising a filter screen mounted between the cover plate and the housing to filter air passing through the opening.
7. The projection device housing as claimed in claim 6, wherein the filter screen is provided with a third magnetic member at its periphery;
and a fourth magnetic part magnetically adsorbed to the third magnetic part is arranged on the cover plate or the shell.
8. The projection device housing as claimed in claim 1, wherein the vent hole of the cover plate has a diameter gradually decreasing from the middle of the cover plate to the edge of the cover plate.
9. The projection device housing as claimed in claim 1, wherein the density of the vent holes on the cover plate is gradually decreased from the center of the cover plate to the edge of the cover plate.
10. A projection device, comprising an optical engine, a main control board, a blower, and the housing of the projection device as claimed in any one of claims 1 to 9, wherein the optical engine, the main control board, and the blower are installed in the housing of the projection device.
CN201921731453.6U 2019-10-15 2019-10-15 Casing of projection equipment and projection equipment Active CN210442625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921731453.6U CN210442625U (en) 2019-10-15 2019-10-15 Casing of projection equipment and projection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921731453.6U CN210442625U (en) 2019-10-15 2019-10-15 Casing of projection equipment and projection equipment

Publications (1)

Publication Number Publication Date
CN210442625U true CN210442625U (en) 2020-05-01

Family

ID=70411605

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921731453.6U Active CN210442625U (en) 2019-10-15 2019-10-15 Casing of projection equipment and projection equipment

Country Status (1)

Country Link
CN (1) CN210442625U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114859635A (en) * 2022-05-16 2022-08-05 歌尔光学科技有限公司 Optical projection equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114859635A (en) * 2022-05-16 2022-08-05 歌尔光学科技有限公司 Optical projection equipment
CN114859635B (en) * 2022-05-16 2024-04-26 歌尔光学科技有限公司 Optical projection equipment

Similar Documents

Publication Publication Date Title
KR101946255B1 (en) Filter of airconditioner
CN103629752B (en) Air purifier
CN210442625U (en) Casing of projection equipment and projection equipment
KR102078304B1 (en) Fan filter unit
CN211060326U (en) Built-in type ventilator of air door
CN201449580U (en) Power case with detachable dust screen
CN210014457U (en) Ceiling type air conditioner indoor unit
WO2022156233A1 (en) Air conditioner indoor unit and air conditioner
CN110013716B (en) Water washing device and air purifier thereof
CN211854210U (en) Fresh air module and air conditioner
JP3090460U (en) Fan
CN210511986U (en) Spiral cover assembly and air purifier
CN212132674U (en) Fresh air module and air conditioner
CN220187023U (en) Wall penetrating type fresh air fan
CN220396058U (en) Fan with fan body
CN218495096U (en) Indoor unit of air conditioner
CN217883205U (en) Frequency converter ventilation assembly and frequency converter
CN211398003U (en) Side wall fan with dust removal function
JP2015113988A (en) Ventilation grill
CN220253851U (en) Air cleaner installation component and outdoor cabinet thereof
CN216675614U (en) Eccentric dust collector of motor
CN216845099U (en) A casing and air purifier for air purifier
CN209984645U (en) Breed with automatic dust removal ozone air disinfector
CN217462594U (en) Draught fan convenient to maintain
CN218096495U (en) Air inlet structure and air conditioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant