CN216844999U - A casing subassembly and new fan for new fan - Google Patents

Abstract

The application relates to the technical field of air conditioning, and discloses a shell assembly for a fresh air machine. The housing assembly includes: a housing defining a receiving chamber having an opening; the door body is covered at the opening in an openable manner; the telescopic rod is connected between the shell and the door body; when the door body is opened, the telescopic rod extends out and limits movement so as to be supported between the door body and the shell. The telescopic link can the stable stay between the door body and casing, no matter the door body opens towards which direction moreover, the telescopic link homoenergetic can support between the door body and casing, can not receive the influence of external force, guarantees the stability that the telescopic link supported. The application also discloses a new fan.

Description

A casing subassembly and new fan for new fan

Technical Field

The present application relates to the field of air conditioning technology, for example, to a housing assembly for a fresh air machine and a fresh air machine.

Background

At present, people are in indoor environment for longer and longer time, the indoor environment is closed, and after people stay indoors for longer time, indoor air quality is deteriorated. In order to improve the indoor air quality, a fresh air fan is generally used to supply fresh air to the indoor space and discharge dirty air from the indoor space.

Disclose a new fan in the correlation technique, mainly include: the air conditioner comprises a machine body, a fan and a controller, wherein the machine body comprises an outdoor air inlet and an indoor air outlet which are arranged at two opposite ends of the machine body; a first fan, a heat exchange device and a second fan are sequentially arranged in the machine body from the outdoor air inlet end to the indoor air outlet end; the fresh air channel reaches the indoor air outlet from the outdoor air inlet through the heat exchange device under the action of the second fan, and the exhaust channel reaches the outdoor air outlet from the indoor air inlet through the heat exchange device under the action of the first fan; the heat exchange device comprises two hexagonal heat exchange cores which are arranged in parallel, and the hexagonal heat exchange cores are arranged in parallel along a direction perpendicular to a connecting line of the first fan and the second fan. The machine body comprises a machine body, a front shell inner plate and an access door. The inner plate of the front shell is provided with a support rod for supporting the access door. When the access door is opened, the support rod supports the access door so as to be convenient for maintenance.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

among the correlation technique, when access door (being equivalent to the door body of this application) was opened from bottom to top, bracing piece (being equivalent to the telescopic link of this application) can not receive the action of gravity of access door, can not the stable support between access door and preceding shell inner panel, lead to overhauing inconveniently.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a casing subassembly and new fan for new fan to make the door body no matter when opening from which direction, the telescopic link can stably support between the door body and casing.

The disclosed embodiment provides a housing assembly for new fan, includes: a housing defining a receiving chamber having an opening; the door body is covered at the opening in an openable manner; the telescopic rod is connected between the shell and the door body; when the door body is opened, the telescopic rod extends out and limits movement so as to be supported between the door body and the shell.

Optionally, the telescopic rod comprises: a first end portion rotatably connected to the housing; and the second end part is connected with the first end part and is arranged oppositely, and the second end part is rotationally connected with the door body.

Optionally, the first end is slidably connected to the housing, and/or the second end is slidably connected to the door.

Optionally, the housing comprises: the baffle is located hold the intracavity, will hold the chamber and divide into a plurality of cavitys, wherein, first end with the front end of baffle is connected.

Optionally, the upper end of the door body is rotatably connected with the shell, and the lower end of the door body is a free end, so that the door body can be opened from bottom to top; wherein the first end portion is connected to a lower portion of a front end portion of the partition plate, or the first end portion is connected to an upper portion of the front end portion of the partition plate.

Optionally, when the door body is opened, a folding angle exists between the telescopic direction of the telescopic rod and the plane where the opening is located; when the door body is closed, the telescopic rod stretches and retracts in a direction parallel to the surface where the opening is formed.

Optionally, the telescopic rod comprises: more than two telescopic sections which are sequentially sleeved and can relatively move along the telescopic direction.

Optionally, the number of the telescopic rods is one or more, and when the number of the telescopic rods is multiple, the plurality of telescopic rods are sequentially arranged along the length direction of the shell.

Optionally, the telescopic rod comprises a pneumatically telescopic rod or a hydraulically telescopic rod.

The embodiment of the present disclosure further provides a fresh air machine, which includes the housing assembly for a fresh air machine as described in any of the above embodiments.

The shell assembly for the fresh air machine and the fresh air machine provided by the embodiment of the disclosure can realize the following technical effects:

the door body lid is established at the opening part that holds the chamber, can protect each part that holds the new fan of intracavity, avoids external dust to get into. The telescopic link can be according to the angular adjustment length that the door body was opened to make the door body can open different angles, be convenient for open the door body to the demand of difference and maintain the part that holds the intracavity. Simultaneously, when the door body was opened, the telescopic link stretched out and can the restricted movement, and the telescopic link can the stable support between the door body and casing like this, no matter in addition the door body opened towards which direction, the telescopic link homoenergetic enough supports between the door body and casing, can not receive the exogenic action, guarantees the stability that the telescopic link supported.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of a fresh air machine provided in an embodiment of the present disclosure;

FIG. 2 is a schematic view of a partial structure of a fresh air machine according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a partial structure of another fresh air machine provided by the embodiment of the present disclosure;

FIG. 4 is a schematic view of a telescopic rod according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a viewing angle when a fresh air machine door body is opened according to an embodiment of the present disclosure;

fig. 6 is a schematic view of another view angle when a fresh air machine door body is opened according to the embodiment of the disclosure.

Reference numerals:

10. a housing; 101. an accommodating chamber; 102. an opening; 103. a partition plate; 104. a cover plate; 20. a telescopic rod; 201. a first end portion; 202. a second end portion; 203. a telescopic section; 30. a total heat exchanger; 40. a fresh air duct; 401. a fresh air fan; 402. a fresh air inlet; 403. a fresh air outlet; 404. a first filter member; 405. a second filter member; 50. an air exhaust duct; 501. an exhaust fan; 502. an air return opening; 503. an air outlet; 60. a door body.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

With reference to fig. 1 to 6, an embodiment of the present disclosure provides a new air blower, where the new air blower includes a casing 10, the casing 10 defines an exhaust air duct 50 and a new air duct 40, the exhaust air duct 50 has an air return opening 502 and an air exhaust opening 503, and the new air duct 40 has a new air inlet 402 and a new air outlet 403.

The fresh air blower 401 is located in the fresh air duct 40, the fresh air blower 401 drives outdoor air flow to flow from the fresh air inlet 402 to the fresh air outlet 403, and then flows into the room from the fresh air outlet 403 to provide fresh air to the room. The exhaust fan 501 is located in the exhaust duct 50, and the exhaust fan 501 drives the indoor airflow to flow from the return air inlet 502 to the exhaust outlet 503, and then flows from the exhaust outlet 503 to the outdoor. That is, the fresh air duct 40 is used to supply fresh air to the indoor, and the exhaust air duct 50 is used to exhaust indoor air to the outdoor, so as to ensure the cleanliness of indoor air.

As shown in fig. 3, the fresh air duct 40 and the exhaust air duct 50 are arranged in a staggered manner, the fresh air machine further includes a total heat exchanger 30, and the total heat exchanger 30 is located in both the fresh air duct 40 and the exhaust air duct 50, so that the air flow in the fresh air duct 40 and the air flow in the exhaust air duct 50 can exchange heat in the total heat exchanger 30.

The air flow in the exhaust air duct 50 carries indoor energy, and after heat exchange with the air flow in the fresh air duct 40, the carried energy can be transferred to the air flow in the fresh air duct 40 through heat exchange. Like this, the temperature of the air current that flows into indoor through new trend wind channel 40 is less with indoor temperature difference in temperature, can avoid the new trend difference in temperature that flows in too big, brings the discomfort for the user. For example, when the air conditioner is turned on indoors in summer, the indoor temperature is low, the temperature of the air flow in the exhaust air duct 50 is also low, the temperature of the air flow flowing from the outside in the fresh air duct 40 is high, after the air flow in the fresh air duct 40 and the air flow in the exhaust air duct 50 exchange heat through the total heat exchanger 30, the temperature is reduced after the air flow in the fresh air duct 40 absorbs the cold quantity of the air flow in the exhaust air duct 50, and after the air flow flows indoors through the fresh air inlet 402, the air conditioner cannot generate large influence on the indoor temperature, the energy consumption of the air conditioner can be saved, meanwhile, clean fresh air can be provided indoors, and the cleanliness of the indoor air is improved.

For example, when heating equipment is opened indoors in winter, the indoor temperature is high, the temperature of the air flow in the exhaust air duct 50 is also high, the temperature of the air flow flowing into the fresh air duct 40 from the outside is low, after the air flow in the fresh air duct 40 and the air flow in the exhaust air duct 50 exchange heat through the total heat exchanger 30, the temperature is high after the air flow in the fresh air duct 40 absorbs the heat of the air flow in the exhaust air duct 50, and after the air flow flows into the room through the fresh air inlet 402, the indoor temperature cannot be greatly influenced, the energy consumption of the heating equipment can be saved, meanwhile, clean fresh air can be provided for the room, and the cleanliness of the indoor air is improved.

As shown in fig. 2 to 6, the embodiment of the present disclosure further provides a housing assembly for a fresh air machine, the housing assembly includes a housing 10, a door body 60 and a telescopic rod 20, the housing 10 defines a receiving cavity 101 having an opening 102; the door body 60 can be covered at the opening 102 in an opening and closing manner; the telescopic rod 20 is connected between the shell 10 and the door body 60; when the door 60 is opened, the telescopic rod 20 extends and limits the movement to be supported between the door 60 and the casing 10.

In this embodiment, the accommodating cavity 101 is used for accommodating components such as the total heat exchanger 30, the fresh air fan 401, and the exhaust air fan 501. The door 60 is openably and closably covered at the opening 102, so that the parts of the accommodating chamber 101 can be conveniently overhauled and replaced. The telescopic rod 20 is connected between the shell 10 and the door body 60, and when the door body 60 is opened, the telescopic rod 20 can extend out. The telescopic link 20 can be along with the angle modulation length that door body 60 opened, and telescopic link 20 can restrict the motion after stretching out moreover, and like this, different angles can be opened to door body 60 to look over or overhaul etc. in holding chamber 101 according to the demand that does not use. In addition, no matter which direction the door 60 is opened, the telescopic rod 20 can extend and limit the movement to be stably supported between the door 60 and the casing 10, and the door 60 can be stably opened without the user supporting the door 60 by hand or other parts.

Alternatively, as shown in fig. 4, the telescopic rod 20 comprises a first end 201 and a second end 202, the first end 201 is rotatably connected with the housing 10; the second end 202 is connected to and opposite to the first end 201, and the second end 202 is rotatably connected to the door body 60.

In this embodiment, the first end portion 201 is rotatably connected to the casing 10, when the door 60 is opened, the angle between the door 60 and the casing 10 changes, the telescopic rod 20 moves along with the angle, and the telescopic rod 20 is rotatably connected to the casing 10, so that the angle between the telescopic rod 20 and the casing 10 can be conveniently adjusted, and the door 60 can be conveniently opened. Similarly, when the door body 60 is opened, the angle between the door body 60 and the telescopic rod 20 is also changed all the time, and the telescopic rod 20 is rotatably connected with the door body 60, so that the angle between the telescopic rod 20 and the door body 60 can be adjusted, and the door body 60 can be opened.

Optionally, as shown in fig. 6, the door body 60 further includes a protrusion protruding from a wall surface of the door body 60 facing the accommodating cavity 101, where the protrusion is located on one side of the telescopic rod 20 to limit the telescopic rod 20, so as to prevent the telescopic rod 20 from deviating when the door body 60 is opened or closed.

Alternatively, as shown in fig. 3, the housing 10 includes a partition 103, the partition 103 is located in the accommodating chamber 101 to divide the accommodating chamber 101 into a plurality of cavities, wherein the first end 201 of the telescopic rod 20 is disposed at the front end of the partition 103.

In this embodiment, the partition 103 divides the accommodating chamber 101 into a plurality of cavities, and each cavity is used for placing different components, so as to prevent the air flows in the fresh air duct 40 and the exhaust air duct 50 from mixing. The telescopic rod 20 is arranged at the front end part of the partition plate 103, so that no additional part is needed, the telescopic rod 20 can be stably installed on the shell 10, the space occupied by the telescopic rod 20 can be reduced, and the space occupied by the telescopic rod 20 can be reduced as much as possible while the telescopic rod 20 can support the door body 60.

Optionally, the number of the partition boards 103 is multiple, the accommodating cavity 101 is divided into multiple cavities by the multiple partition boards 103, and the multiple cavities are used for placing the total heat exchanger 30, the fresh air fan 401, the exhaust fan 501, the filtering member and the like, so that the fresh air duct 40 is separated from the exhaust air duct 50, the air flow mixing of the fresh air duct 40 and the exhaust air duct 50 is avoided, and the cleanliness of fresh air flowing into the room is reduced.

Optionally, the first end 201 is slidably connected to the housing 10, and/or the second end 202 is slidably connected to the door 60.

In this embodiment, the first end 201 and the housing 10 can be connected in a sliding manner while being connected in a rotating manner, so as to reduce the length of the telescopic rod 20 required to be extended and retracted, and save materials. Or the opening angle of the door body 60 is increased so as to facilitate the repair or replacement of the parts of the accommodating chamber 101.

Optionally, the first end 201 is slidably connected to the front end of the partition 103, and/or the second end 202 is slidably connected to the door 60.

In this embodiment, the first end 201 and the front end of the partition 103 are connected in a rotating manner and can be connected with the front end of the partition 103 in a sliding manner, so as to reduce the length of the telescopic rod 20 required to be extended and retracted, and save materials. Or the opening angle of the door body 60 is increased so as to facilitate the repair or replacement of the parts of the accommodating chamber 101.

Similarly, the second end 202 can be connected with the door 60 in a sliding manner while being connected in a rotating manner, so that the length of the telescopic rod 20 required to be extended and retracted can be reduced, and materials can be saved. Or the opening angle of the door body 60 is increased so as to facilitate the repair or replacement of the parts of the accommodating chamber 101.

Optionally, the upper end of the door body 60 is rotatably connected with the casing 10, and the lower end of the door body 60 is a free end, so that the door body 60 can be opened from bottom to top; the first end 201 is connected to a lower portion of the front end of the partition 103, or the first end 201 is connected to an upper portion of the front end of the partition 103.

In this embodiment, the first end portion 201 is connected to the upper portion or the lower portion of the front end portion of the partition 103, so that the length of the support rod supported between the door 60 and the casing 10 is longer, and the support rod can support the door 60 more stably.

Optionally, the upper end of the door 60 is hinged to the casing 10, so that the door 60 can be opened or closed more smoothly.

It should be noted that: the lower end of the door 60 can also be rotatably connected with the casing 10, the upper end of the door 60 is a free end, and the door 60 is opened from top to bottom. Or the opening mode of the door body 60 is also left and right, and the telescopic rod 20 can be stably supported between the door body 60 and the shell 10 no matter which direction the door body 60 is opened along.

Optionally, when the door body 60 is opened, a folding angle exists between the extension direction of the telescopic rod 20 and the plane where the opening 102 is located; when the door 60 is closed, the telescopic rod 20 extends and retracts in a direction parallel to the plane of the opening 102.

In this embodiment, when the door 60 is opened, the telescopic direction of the telescopic rod 20 and the plane where the opening 102 is located have a bevel, so that the telescopic rod 20 can be stably supported between the door 60 and the casing 10. When the door body 60 is closed, the extending and retracting direction of the retractable rod 20 is parallel to the plane of the opening 102, that is, when the door body 60 is closed, the retractable rod 20 is parallel to both the door body 60 and the plane of the opening 102, so that the retractable rod 20 cannot hinder the door body 60 from covering the opening 102.

Optionally, as shown in fig. 4, the telescopic rod 20 includes more than two telescopic sections 203 which are sleeved in sequence and can relatively move along the telescopic direction.

In this embodiment, flexible section 203 can cup joint mutually, not only can realize stretching out or the shrink of telescopic link 20 to the realization is to the support of the different angles of door body 60. The length and space occupied by the telescopic rod 20 can be saved, so that when the door body 60 is closed, the telescopic rod 20 is contracted, and no extra space is occupied. When the door 60 is opened, the telescopic rod 20 extends out to support the door 60. And flexible section 203 sets up more than two for the flexible length of telescopic link 20 is more nimble, increases the length scope of telescopic link 20, and then has increased the angle scope that door body 60 opened.

Alternatively, the telescopic rod 20 comprises a pneumatically telescopic rod or a hydraulically telescopic rod.

In this embodiment, the telescopic rod 20 is a pneumatic telescopic rod or a hydraulic telescopic rod, wherein a gas working medium or a liquid working medium is a limiting working medium, and when the telescopic rod 20 extends, the gas working medium or the liquid working medium can be supported between the extending telescopic section 203 and the adjacent telescopic section 203, so that the telescopic rod 20 can limit the movement, and further limit when the telescopic rod 20 extends is realized, so as to stably support the door 60 and the shell 10.

Optionally, the retractable rod 20 is detachably connected to the door 60.

In this embodiment, the telescopic rod 20 can be detached from the door body 60, and when the parts of the accommodating cavity 101 need to be repaired and replaced, the door body 60 is detached, so that more spaces can be reserved for repairing and replacing the parts of the accommodating cavity 101.

Optionally, the telescoping wand 20 is removably attached to the housing 10.

In this embodiment, the telescopic rod 20 can be detached from the housing 10, so that the telescopic rod 20 can be conveniently repaired and replaced, and the partition plate 103 can be conveniently repaired and replaced.

Alternatively, the first end 201 of the telescopic rod 20 is detachably connected to the front end of the partition 103, and the second end 202 is detachably connected to the door 60.

For example, the retractable rod 20 can be detachably connected to the door 60 and/or the housing 10 by using a snap, a screw, or a magnetic attraction manner.

Alternatively, the telescopic rod 20 is fixedly connected with the door body 60, and/or the telescopic rod 20 is fixedly connected with the housing 10.

In this embodiment, the connection of the telescopic rod 20 is more stable due to the fixed connection, and the telescopic rod 20 or the door body 60 cannot easily fall off, so as to ensure the stability and the safety of the door body 60 when being opened.

For example, the telescopic rod 20 and the door body 60 may be connected by welding, gluing, or the like.

Optionally, the number of the telescopic rods 20 is one or more, and when the number of the telescopic rods 20 is multiple, the plurality of telescopic rods 20 are sequentially arranged along the length direction of the housing 10.

In this embodiment, the plurality of telescopic rods 20 are sequentially arranged along the length direction of the housing 10, which can be understood as follows: the plurality of expansion links 20 are sequentially arranged along the longitudinal direction of the door body 60. Therefore, when the door body 60 is opened, the plurality of telescopic rods 20 are supported between the door body 60 and the shell 10, and the stability of opening the door body 60 is improved. Even if the length of door 60 is longer or weight is great, also can both be stably opened, guarantee the stability and the security that door 60 opened.

Optionally, the number of the protrusions is the same as that of the telescopic rods 20, and the protrusions correspond to the telescopic rods 20 one by one, so that each telescopic rod 20 can be limited by the protrusion, and the stability of opening the door body 60 is ensured.

Optionally, the casing 10 further includes a cover plate 104, the cover plate 104 is movably disposed at the opening 102 and located between the door body 60 and the opening 102, and the cover plate 104 is provided with a plurality of avoiding grooves to avoid components in the accommodating cavity 101, such as the total heat exchanger 30, the filtering device, and the like, and the telescopic rod 20.

Optionally, the number of the cover plates 104 is one or more, and when the number of the cover plates 104 is multiple, the plurality of cover plates 104 are sequentially arranged along the length direction of the accommodating cavity 101, so as to facilitate the removal and installation of the cover plates 104.

The embodiment of the present disclosure further provides a fresh air machine, including the housing 10 assembly for a fresh air machine of any one of the above embodiments.

The fresh air machine provided by the embodiment of the present disclosure includes the housing 10 assembly for a fresh air machine according to any one of the embodiments, so that the housing assembly for a fresh air machine has any one of the beneficial effects, which is not described herein again.

Optionally, the new fan further includes a filtering component, and the filtering component is located in the new air duct 40 to filter or purify the air flow in the new air duct 40, so as to ensure the cleanliness of the air flow flowing into the room.

Optionally, the filtering assembly includes a first filtering member 404, and the first filtering member 404 is disposed in the fresh air duct 40, wherein, along the flow direction of the air flow in the fresh air duct 40, the first filtering member 404, the total heat exchanger 30 and the fresh air fan 401 are disposed in sequence to filter the air flow before flowing into the total heat exchanger 30. For example, the first filter 404 is adjacent to the inlet. This enables the airflow entering the enthalpy exchanger 30 to be cleaner to ensure the useful life of the enthalpy exchanger 30.

Specifically, the first filter element 404 may be a primary filter, a particulate filter, a secondary filter, or the like

Optionally, the number of the first filter members 404 is one or more, and when the number of the first filter members 404 is plural, the plural first filter members 404 are sequentially arranged along the flow direction of the airflow in the fresh air duct 40. The provision of a plurality of first filter elements 404 can increase the filtering effect on the airflow.

Alternatively, the plurality of first filter elements 404 may be the same filter or may be a plurality of filters.

Optionally, the filtering assembly further includes a second filtering member 405, and the second filtering member 405 is located in the fresh air duct 40, wherein, along the flow direction of the air flow in the fresh air duct 40, the total heat exchanger 30, the fresh air fan 401 and the second filtering member 405 are sequentially disposed so as to filter the air flow flowing out of the total heat exchanger 30, thereby further ensuring the cleanliness of the air flow flowing into the room. For example, the second filter 405 is disposed in the fresh air duct 40 near the air outlet.

Specifically, the second filter 405 may be a medium-efficiency filter or a high-efficiency filter.

Optionally, when the number of the second filter members 405 is one or more, and the number of the second filter members 405 is multiple, the multiple second filter members 405 are sequentially arranged along the flow direction of the airflow in the fresh air duct 40. The provision of a plurality of second filter elements 405 can increase the filtering effect on the air flow.

Alternatively, the plurality of second filter elements 405 may be the same filter or may be a plurality of filters.

Optionally, the new air blower further includes a sterilization device disposed in the exhaust air duct 50, wherein the total heat exchanger 30, the new air blower 401 and the sterilization device are sequentially disposed along the flow direction of the air flow in the new air duct 40 to sterilize the air flow flowing out of the total heat exchanger 30, thereby further ensuring the cleanliness of the air flow flowing into the room. For example, the sterilization device may be an ultraviolet sterilization device or the like, a negative ion sterilization device or the like.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A housing assembly for a fresh air machine, comprising:

a housing defining a receiving chamber having an opening;

the door body is covered at the opening in an openable manner;

the telescopic rod is connected between the shell and the door body;

when the door body is opened, the telescopic rod extends out and limits movement so as to be supported between the door body and the shell.

2. The housing assembly for a fresh air machine of claim 1,

the telescopic link includes:

a first end portion rotatably connected to the housing;

and the second end part is connected with the first end part and is arranged oppositely, and the second end part is rotationally connected with the door body.

3. The housing assembly for a fresh air machine of claim 2,

the first end portion is connected with the shell in a sliding mode, and/or the second end portion is connected with the door body in a sliding mode.

4. The housing assembly for a fresh air machine of claim 2,

the housing includes:

and the partition plate is positioned in the accommodating cavity and divides the accommodating cavity into a plurality of cavities, wherein the first end part is connected with the front end part of the partition plate.

5. The housing assembly for a fresh air machine of claim 4,

the upper end of the door body is rotatably connected with the shell, and the lower end of the door body is a free end, so that the door body can be opened from bottom to top;

wherein the first end portion is connected to a lower portion of a front end portion of the partition plate, or the first end portion is connected to an upper portion of the front end portion of the partition plate.

6. The housing assembly for a fresh air machine of claim 1,

when the door body is opened, a folding angle exists between the telescopic direction of the telescopic rod and the plane where the opening is located;

when the door body is closed, the telescopic rod is parallel to the surface where the opening is located.

7. The housing assembly for a fresh air machine of claim 1,

the telescopic link includes: more than two telescopic sections which are sequentially sleeved and can relatively move along the telescopic direction.

8. The housing assembly for a fresh air machine of claim 1,

the quantity of telescopic link is one or more, when the quantity of telescopic link is a plurality of, it is a plurality of the telescopic link is followed the length direction of casing sets gradually.

9. The housing assembly for a fresh air machine of any of claims 1 to 8,

the telescopic rod comprises a pneumatic telescopic rod or a hydraulic telescopic rod.

10. A fresh air machine comprising a housing assembly as claimed in any one of claims 1 to 9 for a fresh air machine.

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