Chassis assembly and air conditioner

Abstract

The utility model discloses a chassis assembly and an air conditioner, and relates to the technical field of air conditioners, the chassis assembly is applied to the air conditioner, the chassis assembly comprises a chassis body and bottom feet, and the chassis body is provided with mounting holes; each bottom foot comprises a supporting part and a clamping part which are connected, the supporting parts are arranged at the bottom of the chassis body and used for supporting the chassis body, and the clamping parts penetrate through the mounting holes and are matched with the mounting holes in a clamping mode. According to the technical scheme, due to the fact that the clamping parts of the bottom feet are matched with the mounting holes of the chassis body in the clamping mode, the bottom feet and the chassis body can be quickly and stably mounted, secondary fixing of fastening pieces such as screws is omitted, the operation steps of mounting the bottom feet and the chassis body are reduced, the mounting efficiency of the bottom feet is improved, and the service life of the bottom feet is prolonged. And the production cost and the time cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to a chassis component and an air conditioner. Background Art

[0002] The bases of split-type portable air conditioners commonly found on the market typically utilize a combination of rotating clips and screws for securement. During installation, the clips are first used for preliminary positioning of the base, followed by further screw fixation to ensure stability. However, because each base requires both preliminary and final fixation, and this process must be repeated for each base, the entire installation process is time-consuming. This cumbersome installation process significantly slows assembly speeds on the production line, impacting overall production efficiency. Utility Model Content

[0003] The main purpose of the utility model is to provide a chassis assembly and an air conditioner, aiming to improve the installation efficiency of the base.

[0004] To achieve the above-mentioned purpose, the chassis assembly proposed in the present invention is applied to an air conditioner, and the chassis assembly includes:

[0005] a chassis body having mounting holes; and

[0006] The foot comprises a supporting portion and a clamping portion connected to each other. The supporting portion is provided at the bottom of the chassis body and is used to support the chassis body. The clamping portion passes through the mounting hole and is clamped and matched with the mounting hole.

[0007] In one embodiment, the clamping portion includes a clamping protrusion and a connecting portion, the connecting portion is connected to the supporting portion and passes through the mounting hole, and the clamping protrusion is provided at one end of the connecting portion away from the supporting portion and is used to clamp the inner edge of the mounting hole.

[0008] In one embodiment, the connecting portion includes a first connecting portion and a second connecting portion provided between the supporting portion and the first connecting portion, the second connecting portion extends along the axial direction of the supporting portion, and the locking protrusion is provided on the outer side of the first connecting portion.

[0009] In one embodiment, the first connecting portion is annular, and a plurality of the second connecting portions and the plurality of the locking protrusions are provided. The plurality of the second connecting portions and the plurality of the locking protrusions are alternately arranged in a circumferential direction of the first connecting portion.

[0010] In one embodiment, an outer side wall of the locking protrusion is inclined toward an axis of the supporting portion in a direction from the supporting portion to the first connecting portion.

[0011] In one embodiment, the edge of the mounting hole is recessed outward to form a limiting hole, and the base foot further includes a limiting rib extending along the axial direction of the support portion, and the limiting rib is passed through the limiting hole.

[0012] In one embodiment, the cross-sectional dimension of the limiting rib gradually decreases in a direction away from the supporting portion.

[0013] In one embodiment, the edge of the mounting hole bulges in a direction away from the support portion to form a bulge, and one end of the support portion close to the chassis body is disposed in the bulge and abuts against an inner wall of the bulge.

[0014] In one embodiment, the support portion includes a main body and a step portion, the step portion is provided between the main body and the clamping portion, and forms a step surface with the main body facing the clamping portion, and the step portion abuts against an inner wall of the raised portion.

[0015] The utility model also provides an air conditioner, comprising the aforementioned chassis assembly.

[0016] In one embodiment, the air conditioner includes an indoor unit and an outdoor unit, at least one of the indoor unit and the outdoor unit is provided with the chassis assembly, the indoor unit and the outdoor unit are connected via a refrigerant hose assembly, and the refrigerant hose assembly is pre-filled with refrigerant.

[0017] In one embodiment, the air conditioner includes an indoor unit and an outdoor unit, at least one of the indoor unit and the outdoor unit is provided with the chassis assembly, and the compressor of the air conditioner is provided in the indoor unit.

[0018] The technical solution of the utility model realizes the rapid and stable installation of the base foot and the chassis body by engaging the clamping portion of the base foot with the mounting hole of the chassis body, eliminates the secondary fixation of fasteners such as screws, reduces the operation steps of installing the base foot and the chassis body, thereby improving the installation efficiency of the base foot and reducing production costs and time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] Figure 1 This is a structural diagram of an embodiment of a chassis assembly provided by the present utility model;

[0021] Figure 2 for Figure 1 A cross-sectional view of the mid-chassis assembly along line M1-M1;

[0022] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0023] Figure 4 for Figure 1 A cross-sectional view of the mid-chassis assembly along line M2-M2;

[0024] Figure 5 for Figure 4 A partial enlarged view of point B in the middle;

[0025] Figure 6 for Figure 1 Schematic diagram of the structure of the mid-chassis body;

[0026] Figure 7 for Figure 6 A partial enlarged view of point C in the middle;

[0027] Figure 8 A schematic structural diagram of an embodiment of a foot provided by the present utility model;

[0028] Figure 9 A structural diagram of the base provided by the present invention from another perspective;

[0029] Figure 10 This is a top view of the base provided by the utility model.

[0030] Description of Figure Numbers:

[0031] 10. Chassis assembly; 100. Chassis body; 200. Foot; 110. Raised portion; 111. Mounting hole; 112. Limiting hole; 210. Support portion; 211. Main body; 212. Step portion; 213. Step surface; 220. Snap-fit portion; 221. First connecting portion; 222. Second connecting portion; 223. Snap-fit protrusion; 230. Limiting rib.

[0032] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0034] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] The present invention provides a chassis assembly 10 .

[0037] See also Figures 1 to 3 In one embodiment of the present invention, the chassis assembly 10 is applied to an air conditioner. The chassis assembly 10 includes a chassis body 100 and a base foot 200. The chassis body 100 is provided with a mounting hole 111; the base foot 200 includes a supporting portion 210 and a clamping portion 220 connected to each other. The supporting portion 210 is provided at the bottom of the chassis body 100 and is used to support the chassis body 100. The clamping portion 220 passes through the mounting hole 111 and is clamped and engaged with the mounting hole 111.

[0038] Specifically, the chassis body 100 is provided with mounting holes 111 for mounting the feet 200. The chassis body 100 may be provided with multiple mounting holes 111, with the multiple feet 200 being mounted in a one-to-one correspondence with the mounting holes 111. For example, the multiple mounting holes 111 may be provided at opposite corners of the chassis body 100, or the multiple mounting holes 111 may be spaced apart along the long side and / or the wide side of the chassis body 100.

[0039] The foot 200 includes a supporting portion 210 and a clamping portion 220. The supporting portion 210 is located at the bottom of the chassis body 100 and directly contacts the ground. It is used to support the chassis body 100, thereby supporting the entire air conditioner. The clamping portion 220 can pass through the mounting hole 111 on the chassis body 100 and clamp therewith. When the foot 200 needs to be installed, it is only necessary to align the clamping portion 220 of the foot 200 with the mounting hole 111 on the chassis body 100 and gently push it in so that the clamping portion 220 and the mounting hole 111 are completely clamped together. During the clamping process of the foot 200 and the chassis body 100, no additional tools are required for assistance. After the clamping is completed, there is no need to use fasteners such as screws for secondary fixing. This reduces half of the operating steps in the assembly process, doubling the installation efficiency of the foot 200 and the chassis body 100, effectively saving time and reducing production costs. Likewise, disassembly can be easily completed by simply performing the reverse operation, thereby enabling rapid installation and disassembly of the foot 200 and effectively improving the assembly efficiency of the foot 200 and the chassis body 100 .

[0040] The technical solution of the present invention realizes the rapid and stable installation of the base foot 200 and the chassis body 100 by engaging the clamping portion 220 of the base foot 200 with the mounting hole 111 of the chassis body 100, eliminates the secondary fixation of fasteners such as screws, reduces the operation steps of installing the base foot 200 and the chassis body 100, thereby improving the installation efficiency of the base foot 200 and reducing production costs and time costs.

[0041] In one embodiment, see Figure 1 and Figure 3 The clamping portion 220 includes a clamping protrusion 223 and a connecting portion. The connecting portion is connected to the supporting portion 210 and passes through the mounting hole 111. The clamping protrusion 223 is provided at one end of the connecting portion away from the supporting portion 210 and is used to clamp the inner edge of the mounting hole 111.

[0042] The clamping portion 220 includes a latching protrusion 223 and a connecting portion. One end of the connecting portion is connected to the support portion 210, and the other end is connected to the latching protrusion 223. The connecting portion has a certain length so that it can pass through the mounting hole 111 and ensure that the latching protrusion 223 can completely pass through the mounting hole 111 and engage the inner edge of the mounting hole 111. The latching protrusion 223 at least partially protrudes from the outer peripheral wall of the connecting portion, so that the maximum dimension of the cross-section of the clamping portion 220 taken along a plane perpendicular to the axis of the support portion 210 is greater than the dimension of the mounting hole 111. As a result, the latching protrusion 223 can be locked to the inner edge of the mounting hole 111 after passing through the mounting hole 111, preventing the latching portion 220 from slipping out of the mounting hole 111 and ensuring effective fixation of the foot 200 to the chassis body 100. In addition, the latching protrusion 223 has a certain elasticity, so that the latching protrusion 223 can elastically deform in the radial direction of the mounting hole 111 when passing through the mounting hole 111, thereby smoothly passing the clamping portion 220 through the mounting hole 111.

[0043] In one embodiment, see Figure 3 and Figure 8 The connecting portion includes a first connecting portion 221 and a second connecting portion 222 provided between the supporting portion 210 and the first connecting portion 221 . The second connecting portion 222 extends along the axial direction of the supporting portion 210 , and the locking protrusion 223 is provided on the outer side of the first connecting portion 221 .

[0044] The clamping portion 220 includes a first connecting portion 221, a second connecting portion 222 and a clamping protrusion 223. The second connecting portion 222 is provided between the support portion 210 and the first connecting portion 221, extends along the axial direction of the support portion 210, and serves to connect the support portion 210 and the first connecting portion 221. The second connecting portion 222 can be cylindrical, cylindrical, elongated, or arc-shaped extending along the circumference of the mounting hole 111. The first connecting portion 221 is provided at one end of the second connecting portion 222 away from the support portion 210 and is used to connect the clamping protrusion 223. The first connecting portion 221 can be annular or cylindrical. The clamping protrusion 223 is provided on the outside of the first connecting portion 221 and is used to form a clamping fit with the inner edge of the mounting hole 111 to ensure a reliable connection between the base foot 200 and the chassis body 100. The latching protrusion 223 at least partially protrudes from the outer peripheral wall of the first connecting part 221. The latching protrusion 223 can be completely set on the outer peripheral wall of the first connecting part 221; it can also be partially connected to the outer peripheral wall of the first connecting part 221 and partially connected to the lower end surface of the first connecting part 221.

[0045] In one embodiment, see Figures 8 to 10 The first connection portion 221 is annular, and a plurality of second connection portions 222 and a plurality of latching protrusions 223 are provided. The plurality of second connection portions 222 and the plurality of latching protrusions 223 are alternately arranged in the circumferential direction of the first connection portion 221 .

[0046] The first connecting portion 221 is annular, with a diameter smaller than that of the mounting hole 111, allowing it to pass through the mounting hole 111 of the chassis body 100. Because the first connecting portion 221 is annular and the multiple second connecting portions 222 are spaced apart and extend axially along the support portion 210, the first and second connecting portions 221, 222 form a hollow structure. As the latching protrusion 223 passes through the mounting hole 111, it can contract and deform toward this hollow structure, facilitating passage through the mounting hole 111. The multiple second connecting portions 222 extend axially along the support portion 210, strengthening the connection between the support portion 210 and the first connecting portion 221 while also ensuring the structural stability of the entire foot 200. Multiple latching protrusions 223 are located on the outer side of the first connecting portion 221, forming a snap fit with the inner edge of the mounting hole 111, ensuring a secure connection between the foot 200 and the chassis body 100. The plurality of second connection portions 222 and the plurality of latching protrusions 223 are alternately and spaced apart in the circumferential direction of the first connection portion 221 , which can ensure uniform force between the foot 200 and the chassis body 100 and improve overall stability and reliability.

[0047] In other embodiments, the second connection portion 222 may be annular, and the first connection portion 221 may be cylindrical or strip-shaped. Multiple first connection portions 221 are provided at intervals along the circumference of the second connection portion 222 on the upper end surface of the second connection portion 222 , and the multiple latching protrusions 223 are provided on the multiple first connection portions 221 in a one-to-one correspondence.

[0048] In one embodiment, see Figure 3 and Figure 8 The outer side wall of the locking protrusion 223 is inclined toward the axis of the supporting portion 210 in the direction from the supporting portion 210 to the first connecting portion 221 .

[0049] The inclined outer wall of the clip 223 serves as a guide during installation, facilitating smooth entry of the clip 223 into the mounting hole 111 and forming a secure snap fit with the inner edge of the mounting hole 111. Furthermore, the side surface of the clip near the support portion 210 is larger, increasing the contact area between the clip and the inner edge of the mounting hole 111, thereby ensuring a more stable snap fit between the clip and the mounting hole 111. The other side surface of the clip, which is connected to the first connecting portion 221, is at least partially connected to the lower end surface of the first connecting portion 221, increasing the area of the connection between the clip 223 and the first connecting portion 221 and ensuring a secure connection between the clip 223 and the first connecting portion 221.

[0050] In one embodiment, see Figures 7 to 9 The edge of the mounting hole 111 is recessed outward to form a limiting hole 112 . The base foot 200 further includes a limiting rib 230 extending axially along the support portion 210 . The limiting rib 230 is passed through the limiting hole 112 .

[0051] By recessing the edge of the mounting hole 111 outward to form a limiting hole 112, the base foot 200 is provided with a limiting rib 230, and the limiting rib 230 is passed through the limiting hole 112. The limiting rib 230 is used to limit the rotation of the base foot 200 in the circumferential direction of the mounting hole 111, ensuring that the base foot 200 does not rotate after assembly is completed, thereby further enhancing the connection stability between the base foot 200 and the chassis body 100.

[0052] The retaining rib 230 is disposed at least on the outer surface of the second connecting portion 222 and extends through the retaining hole 112. Alternatively, both the first connecting portion 221 and the second connecting portion 222 may be connected to the retaining rib 230, further enhancing the connection strength and stability between the first connecting portion 221 and the second connecting portion 222. The retaining rib 230 is generally in the shape of a semicircular shaft, but may also be designed in other structural forms, such as square, triangular, or elliptical. The retaining hole 112 may be configured to match the shape of the retaining rib 230, or may be directly configured as a semicircular hole.

[0053] By means of the snap fit between the clamping block and the mounting hole 111, and the limiting fit between the limiting rib 230 and the limiting hole 112, the axial and circumferential movement of the base foot 200 in the mounting hole 111 is restricted. While the base foot 200 is installed quickly, the base foot 200 is effectively fixed, thereby improving the installation efficiency of the base foot 200 and ensuring the stability of the assembly of the base foot 200 and the chassis body 100.

[0054] The outer diameter of the mounting hole 111 is slightly smaller than the size of the buckle, ensuring that the buckle does not fall off after being inserted, and also ensuring that the buckle can be smoothly inserted into the mounting hole 111 after deformation. The limiting rib 230 cooperates with the limiting hole 112. After the limiting rib 230 is inserted into the limiting hole 112, the base 200 cannot rotate anymore. The size of the limiting hole 112 is slightly larger than the limiting rib 230, so that the limiting rib 230 can be completely inserted into the limiting hole 112. At the same time, there should not be too large an assembly gap to avoid causing the base 200 to be fixed unreliably.

[0055] In one embodiment, see Figure 5 、 Figure 9 and Figure 10 The cross-sectional dimension of the limiting rib 230 gradually decreases in the direction away from the supporting portion 210 .

[0056] The cross-sectional dimensions of the limiting rib 230 gradually decrease in the direction away from the support portion 210. The limiting rib 230 can serve as a guide during installation, facilitating smooth insertion of the limiting rib 230 through the limiting hole 112. Furthermore, the cross-sectional dimensions of the limiting rib 230 are smaller at the end away from the support portion 210, allowing the limiting rib 230 to easily penetrate the limiting hole 112. The cross-sectional dimensions of the limiting rib 230 are larger at the end closer to the support portion 210, allowing the limiting rib 230 to securely engage with the limiting hole 112.

[0057] In one embodiment, see Figures 2 to 7 The edge of the mounting hole 111 bulges away from the support portion 210 to form a raised portion 110 . One end of the support portion 210 close to the chassis body 100 is disposed in the raised portion 110 and abuts against the inner wall of the raised portion 110 .

[0058] As part of the air conditioner housing, chassis body 100 can collect condensed water inside. Protrusion 110 allows mounting hole 111 to be elevated above the inner surface of chassis body 100, preventing condensed water from leaking through mounting hole 111. Furthermore, ridge 110 increases the rigidity of chassis body 100 and effectively distributes the pressure it bears. Rising ridge 110 is stamped from chassis body 100.

[0059] In one embodiment, see Figure 3 and Figure 8 The support portion 210 includes a main body 211 and a step portion 212 . The step portion 212 is disposed between the main body 211 and the clamping portion 220 , and forms a step surface 213 with the main body 211 facing the clamping portion 220 . The step portion 212 abuts against the inner wall of the raised portion 110 .

[0060] The raised portion 110 includes a top wall and a peripheral side wall arranged around the top wall, and the mounting hole 111 and the limiting hole 112 are both provided on the top wall of the raised portion 110. The connection between the top wall and the peripheral side wall of the raised portion 110 is in the form of an arc transition. In order to avoid the situation where the edge of the end of the support portion 210 close to the chassis body 100 interferes with the arc transition of the raised portion 110, resulting in the foot 200 not being properly installed, the support portion 210 is provided with a step surface 213 on the outer peripheral wall of the end close to the clamping portion 220, so that the support portion 210 forms a main body 211 and a step portion 212. The height and diameter of the main body 211 are relatively large, and it plays a supporting role. The height and diameter of the step portion 212 are relatively small, and the clamping portion 220 is connected to the step portion 212, and the upper surface of the step portion 212 abuts the inner edge of the mounting hole 111. The step surface 213 serves as the upper surface of the main body 211 and has a distance from the inner wall of the raised portion 110, thereby ensuring that the main body 211 has a larger diameter to provide sufficient supporting force, and avoiding interference between the edge of the end of the support portion 210 close to the chassis body 100 and the arc transition of the raised portion 110.

[0061] The present invention also proposes an air conditioner, which includes a chassis assembly 10. The specific structure of the chassis assembly 10 refers to the above embodiment. Since the air conditioner adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0062] In one embodiment, the air conditioner includes an indoor unit and an outdoor unit, at least one of the indoor unit and the outdoor unit is provided with a chassis assembly 10, the indoor unit and the outdoor unit are connected via a refrigerant hose assembly, and the refrigerant hose assembly is pre-filled with refrigerant.

[0063] The air conditioner of the present invention can be a split-type air conditioner that is easy for users to install individually. It uses a refrigerant hose assembly to connect the indoor heat exchanger of the air conditioner indoor unit and the outdoor heat exchanger of the air conditioner outdoor unit, and refrigerant is injected into the refrigerant circuit before the device leaves the factory. In this way, when the user installs the device themselves, they only need to fix the indoor and outdoor units separately, without having to assemble refrigerant pipes and add refrigerant, thereby reducing the installation difficulty and enabling user-friendly installation. However, the present design is not limited to this. In other embodiments, the air conditioner of the present invention can also be a conventional split-type air conditioner.

[0064] The flexible design of the refrigerant hose assembly allows it to adapt to various installation angles and distances during installation, providing great flexibility. The refrigerant hose assembly absorbs the vibrations generated during air conditioner operation, reducing stress on pipe connections and extending the system's service life. The refrigerant hose assembly connects to the outdoor and indoor units via sheet metal components. It also provides additional protection for the outdoor unit, securing it in the event of a fall, preventing serious injury or damage, and enhancing safety.

[0065] In one embodiment, the air conditioner includes an indoor unit and an outdoor unit, at least one of the indoor unit and the outdoor unit is provided with a chassis assembly 10, and the compressor of the air conditioner is provided in the indoor unit.

[0066] The compressor is set in the indoor unit to reduce the weight of the outdoor unit, thereby facilitating the installation of the outdoor unit. Accordingly, the corresponding compressor should be provided with a noise reduction structure to reduce the noise of the compressor indoors.

[0067] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A chassis assembly, used in an air conditioner, characterized in that: The chassis assembly includes: a chassis body having mounting holes; and The foot comprises a supporting portion and a clamping portion connected to each other. The supporting portion is provided at the bottom of the chassis body and is used to support the chassis body. The clamping portion passes through the mounting hole and is clamped and matched with the mounting hole.

2. The chassis assembly according to claim 1, wherein: The clamping portion includes a clamping protrusion and a connecting portion, the connecting portion is connected to the supporting portion and passes through the mounting hole, and the clamping protrusion is provided at one end of the connecting portion away from the supporting portion and is used to clamp the inner edge of the mounting hole.

3. The chassis assembly according to claim 2, wherein: The connecting portion includes a first connecting portion and a second connecting portion provided between the supporting portion and the first connecting portion, the second connecting portion extends along the axial direction of the supporting portion, and the locking protrusion is provided on the outer side of the first connecting portion.

4. The chassis assembly according to claim 3, wherein: The first connecting portion is annular, and a plurality of the second connecting portions and the plurality of the clamping protrusions are provided. The plurality of the second connecting portions and the plurality of the clamping protrusions are alternately and spaced apart in the circumferential direction of the first connecting portion.

5. The chassis assembly according to claim 3, wherein: The outer side wall of the locking protrusion is inclined toward the axis of the supporting portion in a direction from the supporting portion to the first connecting portion.

6. The chassis assembly according to claim 1, wherein: The edge of the mounting hole is recessed outward to form a limiting hole, and the base foot further includes a limiting rib extending along the axial direction of the support portion, and the limiting rib is passed through the limiting hole.

7. The chassis assembly according to claim 6, wherein: The cross-sectional dimension of the limiting rib gradually decreases in a direction away from the supporting portion.

8. The chassis assembly according to claim 1, wherein: The edge of the mounting hole bulges in a direction away from the support portion to form a bulge. One end of the support portion close to the chassis body is arranged in the bulge and abuts against the inner wall of the bulge.

9. The chassis assembly according to claim 8, wherein: The support portion includes a main body and a step portion, wherein the step portion is provided between the main body and the clamping portion and forms a step surface with the main body facing the clamping portion, and the step portion abuts against an inner wall of the raised portion.

10. An air conditioner, characterized in that: Comprising a chassis assembly according to any one of claims 1 to 9.

11. The air conditioner according to claim 10, wherein The air conditioner comprises an indoor unit and an outdoor unit, at least one of the indoor unit and the outdoor unit is provided with the chassis assembly; The indoor unit is connected to the outdoor unit via a refrigerant hose assembly, and the refrigerant hose assembly is pre-filled with refrigerant; and / or the compressor of the air conditioner is arranged in the indoor unit.

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