CN116697457A - Air duct machine inner machine - Google Patents

Abstract

The application provides an air duct type internal machine, which comprises: a first equipment segment comprising a first housing; a second equipment section arranged side by side with the first equipment section along the first direction, comprising a second housing; and a connection structure including a first connection portion and a second connection portion detachably connected. The first connecting part comprises two first matching surfaces which are oppositely arranged at intervals, and the two first matching surfaces gradually approach to one side of the first shell from one side of the second shell along the first direction; the second connecting part comprises two second matching surfaces which are oppositely arranged at intervals, and the two second matching surfaces are gradually far away from one side of the second shell from one side of the first shell along the first direction; the two second matching surfaces are arranged in one-to-one correspondence with the two first matching surfaces; the first connecting portion and the second connecting portion are configured such that each second mating surface is attached to the corresponding first mating surface.

Description

Air duct machine inner machine

Technical Field

The application relates to the technical field of air conditioning equipment, in particular to an air pipe internal machine.

Background

As shown in fig. 1, in the case of an integral suspended ceiling house, the air duct type indoor unit 100 is generally concealed, and is installed above an indoor ceiling 200, and an access opening 200A is provided in the ceiling 200. The size of the opening of access port 200A is generally small, e.g., a standard access port size of 500mm by 500mm.

As shown in fig. 1 and 2, in the related art, the conventional structure of the ducted air conditioner indoor unit 100 is a unitary non-detachable structure, and is relatively large in size and heavy in weight, requiring multiple persons to lift and install. The air duct type indoor unit 100 of the above conventional structure cannot meet the installation requirement corresponding to the access port 200A having a smaller opening size.

The above statements are merely to provide background information related to the present disclosure and may not necessarily constitute prior art.

Disclosure of Invention

The application aims to provide an air duct inner machine, which aims to meet the installation requirement corresponding to an overhaul port with a smaller opening size.

The application provides an air duct type internal machine, comprising:

a first equipment section comprising a first housing and a first equipment located within the first housing;

a second equipment section arranged side by side with the first equipment section along a first direction, comprising a second shell and second equipment positioned in the second shell; and

the connecting structure is positioned between the first equipment section and the second equipment section along the first direction and comprises at least one connecting unit, the connecting unit comprises a first connecting part and a second connecting part which are detachably connected, the first connecting part is connected with the end part of the first shell, which is close to the second shell, the second connecting part is connected with the end part of the second shell, which is close to the first shell, wherein

The first connecting part comprises two first matching surfaces which are arranged oppositely at intervals, and the two first matching surfaces gradually approach to one side of the second shell from one side of the first shell along the first direction;

the second connecting part comprises two second matching surfaces which are oppositely arranged at intervals, the two second matching surfaces are gradually far away from one side of the second shell to one side of the first shell along the first direction, and the two second matching surfaces are arranged in one-to-one correspondence with the two first matching surfaces;

the first connection portion and the second connection portion are configured to: each second matching surface is attached to the corresponding first matching surface.

In some embodiments, the two first mating surfaces are spaced apart along a second direction perpendicular to the first direction, and the two second mating surfaces are spaced apart along the second direction.

In some embodiments, the two second mating surfaces are located outside the corresponding first mating surfaces.

In some embodiments of the ducted internal machine,

at least one first matching surface and the corresponding second matching surface are planes;

at least one first matching surface and the corresponding second matching surface are both curved surfaces;

at least one of the first matching surfaces and the corresponding second matching surface are combined surfaces of a plane and a curved surface or combined surfaces of a plane and a plane.

In some embodiments of the ducted internal machine,

the first connecting part comprises two first mounting plates which are oppositely arranged at intervals, and the two first matching surfaces are respectively positioned on the first mounting plates; and/or

The second connecting part comprises two second mounting plates which are oppositely arranged at intervals, and the two second matching surfaces are respectively positioned on the second mounting plates.

In the air duct indoor unit of some embodiments, the second connecting portion further includes two third mounting plates disposed opposite to each other at intervals, the two third mounting plates gradually approach from one side of the second housing to one side of the first housing along the first direction, the two third mounting plates are disposed in one-to-one correspondence with the two second mounting plates, and each of the second mounting plates is connected to the second housing through the third mounting plate.

In some embodiments, the first mating surface and the second mating surface are planes disposed at equal intervals along a second direction perpendicular to the first direction.

In some embodiments, the air duct inner machine of the present application further includes a second housing, and the second housing is disposed on the second housing; and any one of the two second matching surfaces inclines along the first direction from one side of the second shell to one side of the first shell towards a direction away from the side where the other second matching surface is located.

In some embodiments, the two first mating surfaces are symmetrically disposed with respect to a first plane extending along the first direction; the two second matching surfaces are symmetrically arranged relative to the first plane.

In some embodiments, the connection structure limits the relative position of the first equipment segment and the second equipment segment in at least one direction perpendicular to the first direction.

In some embodiments, the connection structure includes two or more of the connection units, at least two of the connection units restricting the relative positions of the first and second equipment segments in at least two different directions perpendicular to the first direction.

In some embodiments of the ducted internal machine,

the first shell comprises a first side wall extending along the first direction, and the first connecting part and the second connecting part are positioned in an extending surface of the outer surface of the first side wall along the first direction;

the second housing comprises a second side wall extending along the first direction, and the first connecting part and the second connecting part are positioned in an extending surface of the outer surface of the second side wall along the first direction.

In some embodiments, the first housing includes a first sidewall extending in the first direction, the second housing includes a second sidewall extending in the first direction, and an outer surface of the first sidewall is flush with an outer surface of the second sidewall.

In some embodiments, the second connecting portion is connected to the first connecting portion by a threaded connection, and the threaded connection is perpendicular to the first mating surface and the second mating surface.

In some embodiments, the screwing part of the threaded connection is located outside the first connection part and the second connection part, and each screwing part is inclined towards one side of the second housing.

In some embodiments, the first connection portion is integrally formed with the first housing; the second connecting portion is integrally formed with the second housing.

In some embodiments, the first housing, the first connecting portion, the second housing, and the second connecting portion are each made of a plate material including a structural layer and an insulation layer disposed inside the structural layer.

In some embodiments, one of the first and second devices includes a blower and the other includes an evaporator.

In the air duct type indoor unit of some embodiments, the first housing and the second housing are rectangular, the first direction is a width direction of the first housing and the second housing, and a first combined structure formed by the first housing and the first connection portion is the same as a second combined structure formed by the second housing and the second connection portion in length, width and height.

In some embodiments, the width and the height are less than 500mm.

Based on the air duct type air conditioner internal unit provided by the application, as the air duct type air conditioner internal unit comprises the first equipment section, the second equipment section and the connecting structure, the first equipment section and the second equipment section can be detachably connected through the first connecting part and the second connecting part of the connecting structure. The first equipment section and the second equipment section are spliced and combined to form a normal air duct inner machine, so that the functions of the air duct inner machine can be met. The first equipment section and the second equipment section can be disassembled and enter and exit the space above the ceiling through the access opening respectively, so that the air pipe machine can meet the installation requirement of the access opening with smaller size. The first fitting surface and the second fitting surface of the first installation part and the second installation part in the connecting structure are arranged, so that the first equipment section and the second equipment section can move along the first direction to realize quick butt joint, the assembly is convenient, and the fitting position after the assembly is accurate.

Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is a schematic view of an air duct machine mounted above a ceiling.

Fig. 2 is a schematic structural view of an integrated ducted air conditioner in the related art.

Fig. 3 is a schematic structural diagram of an air duct type air conditioner according to an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of an air duct machine according to an embodiment of the present application, wherein the first equipment section and the second equipment section are separated.

Fig. 5 is a schematic cross-sectional view of an air duct machine according to an embodiment of the present application, in which a first equipment section and a second equipment section are connected.

Fig. 6 is a schematic view of a partially cross-sectional structure of a connection structure of an air duct type air conditioner according to an embodiment of the present application.

In fig. 1 to 6, each reference numeral represents:

100. an air pipe machine inner machine;

110. a first equipment segment;

111. a first housing;

112. a first device;

120. a second equipment segment;

121. a second housing;

122. a second device;

130. a connection structure;

131. a first connection portion;

1311. a first connection plate;

131A, a first mating surface;

132. a second connecting portion;

1321. a second connecting plate;

1322. a third connecting plate;

132A, a second mating surface;

133. a threaded connection;

B. a sheet material;

b1, a structural layer;

b2, an insulating layer;

200. a ceiling;

200A, an access port.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the corresponding components, and the terms are not meant to have any special meaning unless otherwise indicated, so that the scope of the present application is not to be construed as being limited.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

As shown in fig. 3 to 6, in order to meet the installation requirement of the access opening with a smaller opening size, an embodiment of the present application provides an air duct type air conditioner indoor unit 100. The ducted internal machine 100 includes a first equipment section 110, a second equipment section 120, and a connection structure 130.

The first device segment 110 includes a first housing 111 and a first device 112 located within the first housing 111.

The second device segment 120 is disposed alongside the first device segment 110 in a first direction and includes a second housing 121 and a second device 122 positioned within the second housing 121.

The connection structure 130 is located between the first equipment section 110 and the second equipment section 120 along the first direction. The connection structure 130 includes at least one connection unit. The connection unit includes a first connection part 131 and a second connection part 132 detachably connected.

The first connection portion 131 is connected to an end of the first housing 111 near the second housing 121. The second connection portion 132 is connected to an end of the second housing 121 near the first housing 111.

The first connecting portion 131 includes two first mating surfaces 131A disposed opposite to each other at a distance. The two first mating surfaces 131A gradually approach from the first housing 111 side to the second housing 121 side in the first direction.

The second connecting portion 132 includes two second mating surfaces 132A disposed opposite to each other at a distance. The two second mating surfaces 132A are gradually distant from the second housing 121 side to the first housing 111 side along the first direction. The two second mating surfaces 132A are disposed in one-to-one correspondence with the two first mating surfaces 131A.

The first connection portion 131 and the second connection portion 132 are configured such that each second mating surface 132A is bonded to the corresponding first mating surface 131A.

The ducted air conditioner indoor unit 100 of the above embodiment, since it includes the first equipment section 110, the second equipment section 120, and the connection structure 130, the first equipment section 110 and the second equipment section 120 can be detachably connected by the detachable connection between the first connection portion 131 and the second connection portion 132 of the connection structure 130. The first equipment section 110 and the second equipment section 120 are spliced and combined to form the normal air duct inner machine 100, so that the functions of the air duct inner machine 100 can be met. The first equipment section 110 and the second equipment section 120 can be disassembled to enter and exit the space above the ceiling 200 through the access opening 200A, respectively, so that the air duct type indoor unit 100 can meet the installation requirement of the access opening 200A with a smaller size.

The arrangement of the first mating surface 131A and the second mating surface 132A of the first mounting portion 131 and the second mounting portion 132 in the connection structure 130 facilitates the movement of the first equipment segment 110 and the second equipment segment 120 along the first direction to achieve rapid butt joint, and is convenient to assemble and accurate in mating position after assembly.

In the embodiment shown in fig. 3 to 6, the air duct type indoor unit 100 has a rectangular parallelepiped structure as a whole. The length direction of the cuboid structure is X, the width direction is Y, and the height direction is Z. Wherein the first direction is the width direction Y.

The first mating surface 131A and the second mating surface 132A may be arranged in various manners.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, two first mating surfaces 131A are spaced apart along a second direction perpendicular to the first direction, and two second mating surfaces 132A are spaced apart along the second direction.

In the embodiment shown in fig. 3 to 6, the second direction is the height direction Z.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, two second mating surfaces 132A are located outside the corresponding first mating surfaces 131A.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, at least one first mating surface 131A and a corresponding second mating surface 132A are both planar. In some air duct indoor units, which are not shown, at least one first mating surface 131A and a corresponding second mating surface 132A are curved surfaces; alternatively, the at least one first mating surface 131A and the corresponding second mating surface 132A are both a combination surface of a plane and a curved surface or a combination surface of a plane and a plane. The curved surface is, for example, a conical surface, an arc surface, a spherical crown surface, or the like.

The first mating surface 131A and the corresponding second mating surface 132A are both planar and are manufactured by processing. The first mating surface 131A and the corresponding second mating surface 132A are curved surfaces or combined surfaces, which facilitates accurate positioning of the first equipment segment 110 and the second equipment segment 120 during assembly, thereby facilitating assembly.

In the embodiment shown in fig. 3 to 6, the first mating surface 131A and the corresponding second mating surface 132A are both planar.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, the first connection portion 131 includes two first mounting plates 1311 disposed opposite to each other at intervals, and two first mating surfaces 131A are respectively located on the first mounting plates 1311; and/or the second connecting portion 132 includes two second mounting plates 1321 disposed opposite to each other at intervals, and the two second mating surfaces 132A are respectively located on the second mounting plates 1321.

Providing the first mounting plate 1311 facilitates machining of the first mating surface 131A; providing the second mounting plate 1321 facilitates machining of the second mating surface 132A.

In the embodiment shown in fig. 3 to 6, the first mounting portion 131 includes a first mounting plate 1311 and a second mounting plate 1321.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, the second connecting portion 132 further includes two third mounting plates 1322 disposed opposite to each other at intervals, the two third mounting plates 1323 gradually approach from one side of the second housing 121 to one side of the first housing 111 along the first direction, the two third mounting plates 1322 are disposed in one-to-one correspondence with the two second mounting plates 1321, and each of the second mounting plates 1321 is connected to the second housing 121 through the third mounting plate 1322.

The provision of the third mounting plate 1322 facilitates the shaping of the second mounting plate 132 and the second mating surface 132A thereon.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, the first mating surface 131A and the second mating surface 132A are planes disposed at equal intervals along a second direction perpendicular to the first direction.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, any one of the first mating surfaces 131A of the two first mating surfaces 131A is inclined in a first direction from one side of the first casing 110 to the second casing 120 toward the side where the other first mating surface 131A is located; any one of the two second mating surfaces 132A is inclined in the first direction from one side of the second housing 120 to the first housing 110 toward a direction away from the side where the other second mating surface 132A is located.

The above arrangement of the first mating surface 131A and the second mating surface 132A is more beneficial to the rapid alignment of the first equipment segment 110 and the second equipment segment 120 during assembly, thereby facilitating assembly.

As shown in fig. 3 to 6, in the ducted air conditioner indoor unit 100 of some embodiments, two first mating surfaces 131A are symmetrically disposed with respect to a first plane extending in a first direction; the two second mating surfaces 132A are symmetrically disposed with respect to the first plane.

In the embodiment shown in fig. 3 to 6, the first plane is a bisecting plane of the inner pipe machine 100 in the height direction Z.

As shown in fig. 3-6, in some embodiments of the ducted internal machine 100, the connection structure 130 limits the relative positions of the first equipment section 110 and the second equipment section 120 in at least one direction perpendicular to the first direction.

In the embodiment shown in fig. 3 to 6, the connection structure 130 limits the relative position of the first device segment 110 and the second device segment 120 in the height direction Z.

As shown in fig. 3 to 6, in the ducted internal machine 100 of some embodiments, the connection structure 130 includes more than two connection units, at least two connection units restricting the relative positions of the first and second equipment sections 110 and 120 in at least two different directions perpendicular to the first direction.

For example, the two connection units may be arranged at an angle, so that the relative positions of the first device segment 110 and the second device segment 120 may be limited from different directions. In a more specific example, in the embodiment shown in fig. 3 to 6, only one connection unit is shown, the connection plates of which extend in the length direction X. In an embodiment not shown, the connection structure 30 may further comprise another similar connection unit on the basis of the embodiment shown in fig. 3 to 6, the connection plates of which extend in the height direction Z.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, the first housing 111 includes a first side wall extending in a first direction, and the first connection portion 131 and the second connection portion 132 are located within an extension plane of an outer surface of the first side wall in the first direction; the second housing 121 includes a second sidewall extending in the first direction, and the first and second connection portions 131 and 132 are located within an extending plane of an outer surface of the second sidewall in the first direction.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, the first housing 111 includes a first sidewall extending in a first direction, and the second housing 121 includes a second sidewall extending in the first direction, and an outer surface of the first sidewall is flush with an outer surface of the second sidewall.

The outer surface of the first side wall is flush with the outer surface of the second side wall, which is beneficial to preventing the problem that the air duct inner machine 100 is easy to incline when being arranged on a plane, thereby being beneficial to preventing the noise vibration and other anomalies caused thereby.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, the second connection portion 132 is connected to the first connection portion 131 by a screw connection 133, and the screw connection 133 is perpendicular to the first mating surface 131A and the second mating surface 132A. The first connecting part 131 and the second connecting part 132 are connected through the threaded connecting piece 133, so that the first equipment section 110 and the second equipment section 120 are convenient to be disassembled and assembled for a plurality of times, and the overall appearance of the air duct type air conditioner 100 is maintained unchanged. The threaded connector 133 is perpendicular to the first mating surface 131A and the second mating surface 132A, and when the first mating surface 131A and the second mating surface 132A are both disposed on the plate-like structure, the threaded connector 133 is inclined with respect to the side plates of the first housing and the second housing, which is more beneficial to the disassembly and assembly of the first equipment section 110 and the second equipment section 120 in a narrow space. The threaded connection 133 is, for example, a screw.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, the screwing portions of the screw connector 133 are located outside the first and second connection portions 131 and 132, and each screwing portion is inclined toward one side of the second case.

As shown in fig. 3 to 6, the connection structure 130 of the first equipment section 110 and the second equipment section 120 of the present application forms a V-shaped structure between the first casing 111 and the second casing 121 and is fastened and connected by the threaded connection member 133, which not only improves the structural strength of the splicing part, but also conceals the threaded connection member 133 in the groove of the V-shaped structure, which is beneficial to realizing that the parts of the combined first equipment section 110 and second equipment section 120 where the connection unit is disposed, such as the bottom or the top, are on the same plane, both horizontal installation and lifting can be facilitated, and the screwing heads of the threaded connection members 133 on two opposite sides of the connection unit can face the same side, which is convenient for a worker to observe the position where the threaded connection member is located and facilitate the assembly and disassembly on the engineering site.

As shown in fig. 3 to 6, in the ducted internal machine 100 of some embodiments, the first connection portion 131 is integrally formed with the first housing 111; the second connection portion 132 is integrally formed with the second housing 121. This arrangement facilitates machining of the ducted machine 100. For example, the first connection part 131 may be directly formed on the first housing 110 and the second connection part 132 may be formed on the second housing 120 by pressing.

As shown in fig. 3 to 6, in the ducted air conditioner 100 of some embodiments, the first casing 111, the first connection portion 131, the second casing 121, and the second connection portion 132 are each made of a plate material B including a structural layer B1 and a heat insulating layer B2 disposed inside the structural layer B1.

Providing the insulation B2 facilitates preventing air leakage at the connection location of the first equipment section 110 and the second equipment section 120, and risk of condensation. The structural layer B1 is, for example, sheet metal. The insulating layer B2 is, for example, a sponge layer.

As shown in fig. 3-6, in the ducted internal machine 100 of some embodiments, one of the first and second devices 112, 122 includes a blower and the other includes an evaporator.

In the embodiment shown in fig. 3-6, the first device 112 comprises a blower and the second device 122 comprises an evaporator. The fan and the evaporator are respectively arranged on the first equipment section 110 and the second equipment section 120, which is beneficial to balancing the weight of the two equipment sections, so that the two equipment sections are more convenient to move, assemble and disassemble.

As shown in fig. 3 to 6, in the air duct type indoor unit 100 of some embodiments, the first casing 111 and the second casing 121 are rectangular parallelepiped, the first direction is the width direction Y of the first casing 111 and the second casing 121, and the length, the width and the height of the first combined structure formed by the first casing 111 and the first connecting portion 131 are the same as the length, the width and the height of the second combined structure formed by the second casing 121 and the second connecting portion 132.

The first and second composite structures have substantially the same outer dimensions, which facilitates balancing the size of the two equipment sections, thereby facilitating adaptation to smaller sized access ports 200A.

As shown in fig. 3-6, in some embodiments, the width and height of the ducted internal machine 100 are less than 500mm. The arrangement facilitates the access of the first combined structure and the second combined structure to the standard access opening.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same; while the application has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications and equivalents of some of the features of the specific embodiments of the present application may be made, and they are all included in the scope of the present application as claimed.

Claims (20)

1. An air duct machine interior (100), comprising:

a first device segment (110) comprising a first housing (111) and a first device (112) located within the first housing (111);

a second device segment (120) disposed alongside the first device segment (110) in a first direction, comprising a second housing (121) and a second device (122) located within the second housing (121); and

a connection structure (130) located between the first equipment section (110) and the second equipment section (120) along the first direction, comprising at least one connection unit, the connection unit comprising a first connection portion (131) and a second connection portion (132) detachably connected, the first connection portion (131) being connected to an end of the first housing (111) near the second housing (121), the second connection portion (132) being connected to an end of the second housing (121) near the first housing (111), wherein

The first connecting part (131) comprises two first matching surfaces (131A) which are oppositely arranged at intervals, and the two first matching surfaces (131A) gradually approach to one side of the second shell (121) from one side of the first shell (111) along the first direction;

the second connecting part (132) comprises two second matching surfaces (132A) which are oppositely arranged at intervals, the two second matching surfaces (132A) are gradually far away from one side of the second shell (121) to one side of the first shell (111) along the first direction, and the two second matching surfaces (132A) are arranged in one-to-one correspondence with the two first matching surfaces (131A);

the first connection portion (131) and the second connection portion (132) are configured to: each second mating surface (132A) is attached to the corresponding first mating surface (131A).

2. The ducted internal machine (100) according to claim 1, characterized in that two of the first mating surfaces (131A) are arranged at intervals along a second direction perpendicular to the first direction, and two of the second mating surfaces (132A) are arranged at intervals along the second direction.

3. The ducted internal machine (100) according to claim 1, characterized in that both of the second mating surfaces (132A) are located outside the corresponding first mating surfaces (131A).

4. The ducted internal machine (100) according to claim 1, characterized in that,

at least one first matching surface (131A) and a corresponding second matching surface (132A) are plane surfaces;

at least one first matching surface (131A) and the corresponding second matching surface (132A) are curved surfaces;

at least one first matching surface (131A) and the corresponding second matching surface (132A) are combined surfaces of planes and curved surfaces or combined surfaces of planes and planes.

5. The ducted internal machine (100) according to claim 1, characterized in that,

the first connecting part (131) comprises two first mounting plates (1311) which are oppositely arranged at intervals, and the two first matching surfaces (131A) are respectively positioned on the first mounting plates (1311); and/or

The second connecting portion (132) comprises two second mounting plates (1321) which are oppositely arranged at intervals, and the two second matching surfaces (132A) are respectively positioned on the second mounting plates (1321).

6. The ducted air conditioner indoor unit (100) according to claim 5, wherein the second connecting portion (132) further includes two third mounting plates (1322) disposed opposite to each other at an interval, the two third mounting plates (1323) gradually approach from one side of the second housing (121) to one side of the first housing (111) along the first direction, the two third mounting plates (1322) are disposed in one-to-one correspondence with the two second mounting plates (1321), and each of the second mounting plates (1321) is connected to the second housing (121) through the third mounting plate (1322).

7. The ducted internal machine (100) according to claim 1, characterized in that the first mating surface (131A) and the second mating surface (132A) are planes equally spaced along a second direction perpendicular to the first direction.

8. The ducted internal machine (100) according to claim 1, wherein either one of the two first mating surfaces (131A) is inclined in the first direction from one side of the first housing (110) to the second housing (120) toward the side of the other first mating surface (131A); the second mating surface (132A) of either one of the two second mating surfaces (132A) is inclined in the first direction from one side of the second housing (120) to the first housing (110) toward a direction away from the side where the other second mating surface (132A) is located.

9. The ducted internal machine (100) according to claim 1, characterized in that said two first mating surfaces (131A) are symmetrically arranged with respect to a first plane extending along said first direction; the two second mating surfaces (132A) are symmetrically disposed with respect to the first plane.

10. The ducted internal machine (100) according to claim 1, characterized in that the connection structure (130) limits the relative position of the first equipment section (110) and the second equipment section (120) in at least one direction perpendicular to the first direction.

11. The ducted internal machine (100) according to claim 10, characterized in that said connection structure (130) comprises more than two of said connection units, at least two of said connection units limiting the relative position of said first equipment section (110) and said second equipment section (120) in at least two different directions perpendicular to said first direction.

12. The ducted internal machine (100) according to claim 1, characterized in that,

the first housing (111) includes a first side wall extending in the first direction, the first connecting portion (131) and the second connecting portion (132) being located within an extension plane of an outer surface of the first side wall in the first direction;

the second housing (121) includes a second side wall extending in the first direction, and the first connecting portion (131) and the second connecting portion (132) are located within an extension plane of an outer surface of the second side wall in the first direction.

13. The ducted internal machine (100) according to claim 1, characterized in that the first housing (111) comprises a first side wall extending in the first direction, the second housing (121) comprises a second side wall extending in the first direction, an outer surface of the first side wall being flush with an outer surface of the second side wall.

14. The ducted internal machine (100) according to any of claims 1 to 13, characterized in that the second connection portion (132) is connected to the first connection portion (131) by a threaded connection (133), the threaded connection (133) being perpendicular to the first mating surface (131A) and the second mating surface (132A).

15. The ducted internal machine (100) according to claim 14, characterized in that the screwing portions of the screw connection (133) are located outside the first connection portion (131) and the second connection portion (132), and each of the screwing portions is inclined toward one side of the second housing.

16. The ducted internal machine (100) according to any one of claims 1 to 13, characterized in that the first connection portion (131) is integrally formed with the first housing (111); the second connection portion (132) is integrally formed with the second housing (121).

17. The ducted air conditioner indoor unit (100) according to claim 16, wherein the first casing (111), the first connection portion (131), the second casing (121) and the second connection portion (132) are each made of a plate material (B), the plate material (B) including a structural layer (B1) and an insulation layer (B2) provided inside the structural layer (B1).

18. The ducted internal machine (100) according to any of claims 1 to 11, wherein one of the first and second devices (112, 122) comprises a fan and the other comprises an evaporator.

19. The ducted air conditioner indoor unit (100) according to any one of claims 1 to 11, wherein the first casing (111) and the second casing (121) are rectangular parallelepiped, the first direction is a width direction (Y) of the first casing (111) and the second casing (121), and a first combined structure formed by the first casing (111) and the first connecting portion (131) is the same as a second combined structure formed by the second casing (121) and the second connecting portion (132) in length, width, and height, respectively.

20. The ducted internal machine (100) according to claim 19, wherein the width and the height are each less than 500mm.