CN222165116U - Shutter device and ventilation equipment - Google Patents

Abstract

The present application relates to a louver device and ventilation equipment. The louver device includes a housing and a louver module. A plurality of louver modules are arranged in an installation space along a second direction. Each louver module can be individually disassembled, taken out or installed, so that the louver module is convenient for maintenance, replacement or cleaning, thereby improving the flexibility and convenience of using the louver device. In addition, the louver modules are modularized to facilitate the expansion and reconfiguration of the louver device. During the manufacturing and transportation process, each louver module can be manufactured and transported separately, thereby shortening the manufacturing time and reducing the production cost. Among them, a gap is preset between two adjacent louver modules to form a ventilation duct, and the ventilation duct is arranged between the first opening and the second opening. As the number of louver modules increases, the number of ventilation ducts formed increases, and multiple ventilation ducts facilitate the circulation of air between the first opening and the second opening, thereby enhancing the ventilation effect of the louver device.

Description

Shutter device and ventilation equipment

Technical Field

The utility model relates to the technical field of ventilation, in particular to a shutter device and ventilation equipment.

Background

At present, a shutter module is often adopted on ventilation equipment so as to achieve the purpose of adjusting the direction and flow of air flow. The traditional shutter module is generally of an integrated structure, however, the shutter module of the integrated structure is complex in structure, high in design and production cost, inconvenient to install and detach and unfavorable for later cleaning and maintenance.

Disclosure of utility model

The application aims to provide a shutter device and ventilation equipment so as to solve the problems that a shutter module is complex in structure and inconvenient to detach and install.

In order to solve the technical problems, the embodiment of the application adopts the following technical scheme:

In a first aspect, an embodiment of the present application provides a shutter device, including a case and a shutter module. The box body is enclosed with an installation space, a first opening and a second opening which are communicated with the installation space are formed in the box body, the first opening and the second opening are oppositely arranged along a first direction, a plurality of shutter modules are arranged in the installation space along a second direction, gaps are preset between every two adjacent shutter modules to form an air duct, and the air duct is arranged between the first opening and the second opening, wherein the first direction is perpendicular to the second direction.

In some embodiments, the shutter module includes a first shutter assembly and a second shutter assembly, the first shutter assembly is disposed near the first opening, the second shutter assembly is disposed near the second opening, and a plurality of first shutter assemblies and second shutter assemblies are respectively arranged along the second direction at intervals, wherein a gap is preset between two adjacent first shutter assemblies to form a first ventilation channel, a gap is preset between two adjacent second shutter assemblies to form a second ventilation channel, and the ventilation channel includes a first ventilation channel and a second ventilation channel which are communicated.

In some embodiments, the first shutter assembly comprises a first blade, a second blade and a first connecting piece, wherein the first connecting piece is connected between the first blade and the second blade, the first blade is close to the first opening and is bent downwards, the second blade is far away from the first opening and is bent upwards, the second shutter assembly comprises a third blade, a fourth blade and a second connecting piece, the second connecting piece is connected between the third blade and the fourth blade, the third blade is far away from the second opening and is bent downwards, and the fourth blade is close to the second opening and is bent upwards.

In some embodiments, the second blade is detachably connected to the third blade, or a first clearance space is provided between the second blade and the third blade.

In some embodiments, the first blade comprises a first main body part and a first extension part, wherein the first main body part is connected between the first connecting piece and the first extension part, the first main body part is arranged close to the first opening along the first direction, the first extension part is bent towards the direction away from the first opening, the second blade comprises a second main body part and a second extension part, the second main body part is connected between the first connecting piece and the second extension part, the second main body part is arranged away from the first opening along the first direction, and the second extension part is bent towards the direction of the first opening.

In some embodiments, the third blade includes a third body portion and a third extension portion, the third body portion is connected between the second connecting piece and the third extension portion, the third body portion is disposed away from the second opening along the first direction, the third extension portion is bent toward the second opening, the fourth blade includes a fourth body portion and a fourth extension portion, the fourth body portion is connected between the second connecting piece and the fourth extension portion, the fourth body portion is disposed close to the second opening along the first direction, and the fourth extension portion is bent toward a direction away from the second opening.

In some embodiments, the projection of the first blade of one of the two adjacent first shutter assemblies overlaps with the projection of the second blade of the other first shutter assembly, or the projection of the first blade of one of the first shutter assemblies does not overlap with the projection of the second blade of the other first shutter assembly, when viewed in the first direction.

In some embodiments, the shutter device further comprises a filter assembly comprising a filter cotton and a mounting member, wherein the mounting member is disposed in the second opening and is connected to the case, the filter cotton is mounted to the mounting member in the second opening, the shutter device further comprises a waterproof member disposed on a side of the case away from the filter assembly, and the waterproof member is disposed around the first opening.

In some embodiments, along a third direction, the box body includes a first wall portion and a second wall portion that are disposed opposite to each other, two ends of the first connecting piece are respectively connected with a first fixing portion and a second fixing portion, the first fixing portion is fixedly connected with the first wall portion, and the second fixing portion is fixedly connected with the second wall portion, wherein the first direction, the second direction and the third direction are perpendicular to each other.

In a second aspect, an embodiment of the present application further provides a ventilation apparatus, including a shutter device according to any one of the first aspects.

Different from the situation of the related art, the embodiment of the application provides a shutter device and ventilation equipment. The shutter device comprises a box body and a shutter module. The plurality of shutter modules are arranged in the installation space along the second direction. Each shutter module can be independently disassembled and taken out or installed, so that the shutter module is convenient to maintain, replace or clean, and the flexibility and convenience of using the shutter device are improved. And moreover, the shutter module is modularized, so that the shutter device is convenient to expand and reconfigure. During the manufacturing and transportation process, each shutter module can be manufactured and transported respectively, so that the manufacturing time is shortened, and the production cost is reduced. The clearance is preset between two adjacent shutter modules to form an air channel, and the air channel is arranged between the first opening and the second opening. Along with the increase of tripe module quantity, the more the ventilation flue quantity that forms, a plurality of ventilation flue are convenient for air and circulate between first opening and second opening, have strengthened the ventilation effect of tripe device.

Drawings

FIG. 1 is a schematic diagram of some shutter devices according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of some of the cases according to the embodiments of the present application;

FIG. 3 is a schematic view of some of the cases according to the embodiments of the present application;

FIG. 4 is a schematic view of some ventilation ducts according to an embodiment of the present application;

FIG. 5 is a cross-sectional view of some of the shutter devices provided in embodiments of the present application;

FIG. 6 is a schematic diagram of some of the shutter modules according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of some air flowing along the ventilation duct according to an embodiment of the present application;

FIG. 8 is a schematic diagram of a connection structure between first and second blind assemblies according to an embodiment of the present application;

FIG. 9 is a schematic diagram of a connection structure between first and second blind assemblies according to an embodiment of the present application;

FIG. 10 is a schematic view of a first plurality of shutter assemblies according to an embodiment of the present application;

FIG. 11 is a schematic view of a second shutter assembly according to an embodiment of the present disclosure;

fig. 12 is an exploded view of some shutter devices provided in accordance with embodiments of the present application.

Reference numerals:

100. A shutter device;

10. The box body comprises a box body, an installation space, 111, a first opening, 112, a second opening, 113, a first clearance space, 12, a first side part, 13, a second side part, 14, a first wall part, 141, a second fixing hole and 15, a second wall part;

20. The first louver module, 21/21a/21b, the first louver assembly, 211/211a/211b, the first blade, 2111, the first body portion, 2112, the first extension portion, 212/212a/212b, the second blade, 2121, the second body portion, 2122, the second extension portion, 213/213a/213b, the first connector, 214, the first fixing portion, 2141, the first fixing hole, 215, the second fixing portion, 22/22a/22b, the second louver assembly, 221/221a/221b, the third blade, 2211, the third body portion, 2212, the third extension portion, 222/222a/222b, the fourth blade, 2221, the fourth body portion, 2222, the fourth extension portion, 223/223a/223b, the second connector.

30. 31, A first air duct, 311, a first air duct space, 32, a second air duct, 321, a second air duct space;

40. filter assembly 41, filter cotton 42 and mounting piece;

50. a waterproof member;

x, a first direction;

Y, second direction;

z, third direction.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of embodiments of the application, the meaning of "a number" is more than one unless explicitly defined otherwise.

In the description of the embodiment of the present application, the term "and/or" is merely an association relationship describing the association object, and indicates that three relationships may exist, for example, a and/or B, and may indicate that a exists alone, while a and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. In addition, the technical features mentioned in the different embodiments of the application described below can be combined with one another as long as they do not conflict with one another.

In a first aspect, an embodiment of the present application provides a shutter device 100, referring to fig. 1, the device includes a case 10 and a shutter module 20.

For the above-mentioned case 10, referring to fig. 2 and 3, the case 10 is a container or housing for accommodating, protecting and fixing other objects. The box body 10 encloses a mounting space 11, and the box body 10 can provide physical protection for objects in the mounting space 11, so that collision, damage or erosion with external objects is reduced. And the box body 10 can also effectively prevent dust, rainwater or other sundries from entering the installation space 11, and keep the installation space 11 clean. The box 10 is provided with a first opening 111 and a second opening 112 which are communicated with the installation space 11, the first opening 111 and the second opening 112 are oppositely arranged along the first direction X, the first opening 111 is slightly larger than the second opening 112, the more wind enters from the first opening 111, the faster the wind flows out from the second opening 112, and the airflow in the box 10 can be quickened, so that a good ventilation effect is realized.

Further, referring to fig. 2 and 3, along the second direction Y, the case 10 includes a first side portion 12 and a second side portion 13 that are disposed opposite to each other, and along the third direction Z, the case 10 includes a first wall portion 14 and a second wall portion 15 that are disposed opposite to each other, the first side portion 12 and the second side portion 13 are disposed between the first wall portion 14 and the second wall portion 15, respectively, and the first wall portion 14, the first side portion 12, the second wall portion 15, and the second side portion 13 jointly enclose the case 10. The first direction X, the second direction Y and the third direction Z are perpendicular to each other.

For the above-mentioned shutter modules 20, referring to fig. 4 and 5, a plurality of shutter modules 20 are arranged in the installation space 11 along the second direction Y, and the number of shutter modules 20 can be determined according to the size of the installation space 11, so that the shutter modules 20 fill the installation space 11 as much as possible. Each shutter module 20 can be independently disassembled and taken out or installed, so that the shutter module 20 is convenient to maintain, replace or clean, and the flexibility and convenience of using the shutter device 100 are improved. And, the shutter module 20 is modular to facilitate expansion and reconfiguration of the shutter device 100. Each shutter module 20 can be manufactured and transported during the manufacturing and transportation processes, respectively, reducing manufacturing time and manufacturing costs. Wherein, a gap is preset between two adjacent shutter modules 20 to form an air duct 30, and the air duct 30 is disposed between the first opening 111 and the second opening 112. As the number of louver modules 20 increases, the number of ventilation ducts 30 formed increases, and the plurality of ventilation ducts 30 facilitate air circulation between the first opening 111 and the second opening 112, enhancing the ventilation effect of the louver device 100.

Further, referring to fig. 4 and 5, the shutter module 20 includes a first shutter assembly 21 and a second shutter assembly 22, the first shutter assembly 21 is disposed near the first opening 111, the second shutter assembly 22 is disposed near the second opening 112, and the first shutter assembly 21 and the second shutter assembly 22 can be respectively arranged along the second direction Y at intervals. The first ventilation channel 31 is formed by presetting a gap between two adjacent first shutter assemblies 21, the second ventilation channel 32 is formed by presetting a gap between two adjacent second shutter assemblies 22, and the ventilation channel 30 comprises the first ventilation channel 31 and the second ventilation channel 32 which are communicated. The first shutter assembly 21 and the second shutter assembly 22 can be independently detached and taken out or installed, so that the shutter module 20 is more convenient to maintain, replace or clean, and the flexibility and convenience of using the shutter device 100 are further improved.

The embodiment of the application provides a shutter device 100, which comprises a box body 10 and a shutter module 20. The plurality of shutter modules 20 are arranged in the installation space 11 along the second direction Y. Each shutter module 20 can be independently disassembled and taken out or installed, so that the shutter module 20 is convenient to maintain, replace or clean, and the flexibility and convenience of using the shutter device 100 are improved. And, the shutter module 20 is modular to facilitate expansion and reconfiguration of the shutter device 100. Each shutter module 20 can be manufactured and transported during the manufacturing and transportation processes, respectively, reducing manufacturing time and manufacturing costs. Wherein, a gap is preset between two adjacent shutter modules 20 to form an air duct 30, and the air duct 30 is disposed between the first opening 111 and the second opening 112. As the number of louver modules 20 increases, the number of ventilation ducts 30 formed increases, and the plurality of ventilation ducts 30 facilitate air circulation between the first opening 111 and the second opening 112, enhancing the ventilation effect of the louver device 100.

In some embodiments, referring to fig. 4 to 6, the first shutter assembly 21 includes a first blade 211, a second blade 212, and a first connecting member 213, wherein the first connecting member 213 is connected between the first blade 211 and the second blade 212. The first blade 211 is close to the first opening 111 and is bent downward, and the second blade 212 is far from the first opening 111 and is bent upward. The first ventilation channel 31 is formed by presetting a gap between two adjacent first shutter assemblies 21, and along the second direction Y, the first blades 211 can partially shield the portion of the first ventilation channel 31 facing the first opening 111, so that when rainwater or water column contacts with the first blades 211, water flow can be reduced to enter the first ventilation channel 31. The second vane 212 can partially shield the communication part between the first ventilation channel 31 and the second ventilation channel 32, so as to reduce rainwater entering the second ventilation channel 32 and improve the overall waterproof performance of the shutter device 100.

Further, referring to fig. 4 to 6, the second shutter assembly 22 includes a third blade 221, a fourth blade 222, and a second connecting member 223, wherein the second connecting member 223 is connected between the third blade 221 and the fourth blade 222. The third blade 221 is far away from the second opening 112 and is bent downwards, and the fourth blade 222 is close to the second opening 112 and is bent upwards. In the second direction Y, the fourth blade 222 may partially block a portion of the second ventilation duct 32 facing the second opening 112, and when rainwater or water column contacts the fourth blade 222, water flow into the second ventilation duct 32 can be reduced. The third blades 221 can partially shield the communication part between the first ventilation channel 31 and the second ventilation channel 32, reduce rainwater entering the second ventilation channel 32, and improve the overall waterproof performance of the shutter device 100.

In some embodiments, referring to fig. 4 to 6, the projection of the first blade 211 of one first shutter element 21 overlaps the projection of the second blade 212 of the other first shutter element 21 in two adjacent first shutter elements 21, as viewed along the first direction X. Alternatively, the projection of the first vane 211 of one first shutter assembly 21 does not overlap the projection of the second vane 212 of the other first shutter assembly 21. The first vane 211, the first connecting piece 213 and the second vane 212 form the structure of the first air duct 31 into a labyrinth air duct similar to an S shape, and compared with a linear air duct with a traditional design, the first air duct 31 of the embodiment of the application can effectively reduce dust, impurities, water and the like entering the first air duct 31, thereby not only improving the waterproof level of the shutter device 100, but also reducing the transmission of airflow noise.

Referring to fig. 7, two adjacent first louver assemblies 21 are shown, and the two first louver assemblies 21 are respectively denoted as a first louver assembly 21a and a first louver assembly 21b, and the ventilation trend of the air in the first air duct 31 is also shown. One of the first shutter assemblies 21a includes a first blade 211a, a second blade 212a, and a first connecting member 213a, and the other first shutter assembly 21b includes a first blade 211b, a second blade 212b, and a first connecting member 213b. Wherein a first duct space 311 is formed between the second blade 212a and the first blade 211 b.

Two adjacent second louver assemblies 22 are also shown, and the two second louver assemblies 22 are respectively denoted as a second louver assembly 22a and a second louver assembly 22b, and the circulation direction of the air in the second air passage 32 is also shown. One of the second shutter assemblies 22a includes a third vane 221a, a fourth vane 222a, and a second connector 223a, and the other second shutter assembly 22b includes a third vane 221b, a fourth vane 222b, and a second connector 223b. Wherein a second air duct space 321 is formed between the fourth blade 222b and the third blade 221 a.

Wind enters the first air duct 31 through the first opening 111, flows upward along the first connection piece 213a, then enters the first air duct space 311 through the shielding of the second blade 212a, and then continues to flow upward and enters the second air duct 32 along the first connection piece 213b, flows upward along the second connection piece 223a, then enters the second air duct space 321 through the shielding of the fourth blade 222a, and then continues to flow upward and flows out of the second opening 112 along the second connection piece 223b, so that a double-S-like labyrinth air duct can be formed.

In some embodiments, the first shutter assembly 21 and the second shutter assembly 22 may be disposed offset in the first direction X. Referring to fig. 8, the second blade 212 and the third blade 221 are detachably connected, for example, the second blade 212 and the third blade 221 are attached and fixed by screws, so that the first air duct 31 and the second air duct 32 are directly communicated, thereby shortening the size of the installation space 11 and accelerating the airflow circulation. In addition, the second blade 212 and the third blade 221 are detachably connected, so that the flexibility of installation between the first shutter assembly 21 and the second shutter assembly 22 is enhanced, the shutter module 20 is more stable, and looseness caused by collision and vibration can be reduced.

In some embodiments, referring to fig. 9, a first clearance space 113 is provided between the second blade 212 and the third blade 221. Along the second direction Y, the air flow entering the first air duct 31 may flow out through at least one second air duct 32, and the arrangement of the first gap space 113 increases the flow path of the air flow, so that the air flow out is quickened, and the ventilation effect of the shutter device 100 is better.

In some embodiments, referring to fig. 4, 7 and 10, the first blade 211 includes a first main body portion 2111 and a first extension portion 2112, and the first main body portion 2111 is connected between the first connecting member 213 and the first extension portion 2112. In the first direction X, the first body portion 2111 is disposed adjacent to the first opening 111, and the first extension portion 2112 is disposed to be bent in a direction away from the first opening 111. When the first vane 211 is in contact with rainwater or water column, the first body portion 2111 and the first extension portion 2112 may block the flow of water from the first opening 111 into the first air duct 31, and the first extension portion 2112 may guide the flow of water to fall into the first connection 213 of the adjacent first louver assembly 21 such that the flow of water flows out of the first opening 111 along the first connection 213 to reduce the flow of water into the installation space 11.

Further, referring to fig. 4, 7 and 10, the second blade 212 includes a second main body 2121 and a second extension 2122, and the second main body 2121 is connected between the first connecting member 213 and the second extension 2122. Along the first direction X, the second body 2121 is disposed away from the first opening 111, and the second extension 2122 is bent toward the first opening 111. The second vane 212 is disposed between the first ventilation channel 31 and the second ventilation channel 32, and the second main body 2121 and the second extension 2122 can secondarily block the water flow entering from the first opening 111, so as to reduce the water flow entering the installation space 11, and further improve the waterproof performance of the shutter device 100.

In some embodiments, referring to fig. 4, 7 and 11, the third blade 221 includes a third main body portion 2211 and a third extension portion 2212, and the third main body portion 2211 is connected between the second connection member 223 and the third extension portion 2212. Along the first direction X, the third body portion 2211 is disposed away from the second opening 112, and the third extension portion 2212 is bent toward the second opening 112. The third main body portion 2211 and the third extending portion 2212 are also disposed between the first air passage 31 and the second air passage 32, and the third extending portion 2212 is bent toward the second opening 112 to block moisture entering from the first air passage 31, and the third extending portion 2212 can guide water to fall into the adjacent second connecting piece 223, and the moisture can flow out from the first opening 111 through the guide of the second connecting piece 223.

Further, referring to fig. 4, 7 and 11, the fourth blade 222 includes a fourth main body portion 2221 and a fourth extension portion 2222, the fourth main body portion 2221 is connected between the second connecting piece 223 and the fourth extension portion 2222, and the fourth main body portion 2221 is disposed near the second opening 112 along the first direction X, and the fourth extension portion 2222 is bent in a direction away from the second opening 112. The fourth main body portion 2221 and the fourth extension portion 2222 are disposed at the air outlet of the second air passage 32, so that moisture entering the second air passage 32 from the first air passage 31 can be blocked, and the moisture can flow out from the first opening 111 along the fourth extension portion 2222 and the second connection member 223, thereby improving the overall waterproof performance of the shutter device 100.

In some embodiments, referring to fig. 8, 10 and 11, the second body portion 2121 of the second vane 212 is detachably connected to the third body portion 2211 of the third vane 221. For example, the second body 2121 and the third body 2211 are attached and fixed by screws. Along the first direction X, the first ventilation duct 31 and the second ventilation duct 32 are directly communicated, shortening the size of the installation space 11 and accelerating the airflow circulation. And the second main body 2121 and the third main body 2211 are in fit connection, so that the stability of the first shutter assembly 21 and the second shutter assembly 22 is enhanced, and looseness caused by collision and vibration is reduced.

In some embodiments, referring to fig. 9, 10 and 11, the second body portion 2121 of the second vane 212 and the third body portion 2211 of the third vane 221 are provided with a first clearance space 113. Along the second direction Y, the air flow entering the first air duct 31 may flow out through at least one second air duct 32, and the arrangement of the first gap space 113 increases the flow path of the air flow, so that the air flow out is quickened, and the ventilation effect of the shutter device 100 is better.

In some embodiments, referring to fig. 12, the shutter device 100 further includes a filter assembly 40, and the filter assembly 40 is mainly used for filtering dust, particulate matters, impurities and the like in the outside air, so as to reduce the entry of the matters into the shutter device 100, thereby protecting the shutter device 100 from normal operation and prolonging the service life. Further, the filter assembly 40 includes filter cotton 41 and a mounting member 42. The filter cotton 41 is a material for filtering air or liquid, and is generally made of fiber or nonwoven fabric. The main function is to reduce the entry of impurities such as dust, particulate matter, etc. into the shutter device 100, thereby ensuring the normal operation of the system and improving the working efficiency thereof.

The mounting member 42 is a frame or structure for securing, supporting or protecting the filter cotton 41. The mounting member 42 may be made of metal plastic or the like. The mounting member 42 is disposed in the second opening 112 and connected to the case 10, and the filter cotton 41 is mounted to the mounting member 42 in the second opening 112. The mounting member 42 may provide a stable foundation for the filter element 41 such that the filter assembly 40 can be firmly fixed to the case 10 and damage to the filter element 41 by external factors can be reduced. The mounting member 42 is further provided with a loose screw, and particularly, if the filter cotton 41 needs to be replaced, the loose screw is only required to be loosened, the filter assembly 40 is removed and the filter cotton 41 is replaced, and then the replaced filter assembly 40 is fixedly mounted with the box body 10 through the loose screw.

In some embodiments, referring to fig. 4 and 12, the shutter device 100 further includes a waterproof member 50, the waterproof member 50 is disposed on a side of the case 10 away from the filter assembly 40, and the waterproof member 50 is disposed around the first opening 111. For example, when the shutter device 100 is mounted on the ventilation apparatus, the waterproof member 50 can effectively reduce the entry of liquid such as water into the ventilation apparatus from the gap between the first opening 111 and the ventilation apparatus, and also improve the air tightness between the shutter device 100 and the ventilation apparatus. For example, the flashing 50 may be a flashing strip.

In some embodiments, referring to fig. 2, 3 and 10, along the third direction Z, two ends of the first connecting member 213 are respectively connected to a first fixing portion 214 and a second fixing portion 215, the first fixing portion 214 is fixedly connected to the first wall portion 14, and the second fixing portion 215 is fixedly connected to the second wall portion 15, so that the first shutter assembly 21 can be fixed on the case 10. Further, the first fixing portion 214 is provided with a first fixing hole 2141, the first wall portion 14 is provided with a second fixing hole 141 that is communicated with the first fixing hole 2141, and referring to fig. 4, the shutter device 100 further includes a fixing member (not labeled in the drawing), and the fixing member is disposed through the second fixing hole 141 and the first fixing hole 2141 and is fixedly connected with the first wall portion 14, so that the first shutter assembly 21 can be fixed on the case 10. Wherein the fixing piece can be a screw, a bolt, a pin, a fixing clamp, a rivet, a steel wire rope and the like. Similar to the first shutter assembly 21, the second shutter assembly 22 may also be secured to the housing 10 by the securing means described above.

In a second aspect, embodiments of the present application also provide a ventilation device comprising a shutter arrangement 100 according to any of the first aspects.

In some embodiments, the ventilation device may be an air cleaner, a blower, an air duct, an air conditioning system, and a filter.

It should be noted that while the present utility model has been illustrated in the drawings and described in connection with the preferred embodiments thereof, it is to be understood that the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but are to be construed as providing a full breadth of the disclosure. The above technical features are further combined with each other to form various embodiments which are not listed above and are all considered as the scope of the present utility model described in the specification, further, the improvement or transformation can be carried out by the person skilled in the art according to the above description, and all the improvements and transformation shall fall within the protection scope of the appended claims.

Claims (10)

1. A shutter device, comprising:

The box body is enclosed with an installation space, a first opening and a second opening which are communicated with the installation space are formed in the box body, and the first opening and the second opening are oppositely arranged along a first direction;

The louver modules are arranged in the installation space along the second direction, gaps are preset between two adjacent louver modules to form an air channel, and the air channel is arranged between the first opening and the second opening;

Wherein the first direction is perpendicular to the second direction.

2. The shutter device according to claim 1, wherein the shutter module includes a first shutter assembly and a second shutter assembly, the first shutter assembly is disposed near the first opening, the second shutter assembly is disposed near the second opening, and a plurality of the first shutter assemblies and the second shutter assemblies are arranged at intervals along the second direction, wherein a gap is preset between two adjacent first shutter assemblies to form a first ventilation channel, a gap is preset between two adjacent second shutter assemblies to form a second ventilation channel, and the ventilation channel includes the first ventilation channel and the second ventilation channel that are in communication.

3. The blind apparatus of claim 2 wherein said first blind assembly includes a first blade, a second blade and a first connector, said first connector being connected between said first blade and said second blade, said first blade being positioned adjacent said first opening and bent downwardly, said second blade being positioned away from said first opening and bent upwardly;

The second shutter assembly comprises a third blade, a fourth blade and a second connecting piece, wherein the second connecting piece is connected between the third blade and the fourth blade, the third blade is far away from the second opening and is bent downwards, and the fourth blade is close to the second opening and is bent upwards.

4. A shutter device according to claim 3, wherein the second blade is detachably connected to the third blade or wherein there is a first gap space between the second and third blades.

5. A shutter device according to claim 3, wherein the first blade comprises a first body portion and a first extension portion, the first body portion being connected between the first connector and the first extension portion, the first body portion being disposed adjacent the first opening in the first direction, the first extension portion being folded away from the first opening;

The second blade comprises a second main body part and a second extension part, wherein the second main body part is connected between the first connecting piece and the second extension part, the second main body part is far away from the first opening along the first direction, and the second extension part is bent towards the direction of the first opening.

6. A shutter device according to claim 3, wherein the third blade comprises a third body portion and a third extension portion, the third body portion being connected between the second connector and the third extension portion, the third body portion being disposed away from the second opening in the first direction, the third extension portion being folded in a direction towards the second opening;

The fourth blade comprises a fourth main body part and a fourth extension part, wherein the fourth main body part is connected between the second connecting piece and the fourth extension part, the fourth main body part is close to the second opening along the first direction, and the fourth extension part is bent towards the direction deviating from the second opening.

7. A shutter device according to claim 3, wherein, viewed in a first direction, the projections of the first blades of one of the first shutter members overlap the projections of the second blades of the other first shutter member, or the projections of the first blades of one of the first shutter members do not overlap the projections of the second blades of the other first shutter member.

8. The blind apparatus of claim 1 further comprising a filter assembly including a filter cotton and a mounting member, the mounting member being disposed in the second opening and connected to the housing, the filter cotton being mounted to the mounting member at the second opening;

The shutter device further comprises a waterproof piece, wherein the waterproof piece is arranged on one side, away from the filter assembly, of the box body, and the waterproof piece is arranged around the first opening.

9. A shutter device according to claim 3, wherein, in a third direction, the case includes a first wall portion and a second wall portion which are disposed opposite to each other, and a first fixing portion and a second fixing portion are connected to both ends of the first connecting member, respectively, and the first fixing portion is fixedly connected to the first wall portion, and the second fixing portion is fixedly connected to the second wall portion;

the first direction, the second direction and the third direction are perpendicular to each other.

10. A ventilation device, characterized in that it comprises a shutter arrangement according to any one of claims 1 to 9.