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 comprises a filter piece and a chassis, the filter piece comprises a filter screen and a fixing frame arranged on the periphery of the filter screen, and the fixing frame is provided with a first frame edge; the base plate is provided with a water filtering groove, the water filtering groove is used for being communicated with a water inlet of a water pump, the groove side wall of the water filtering groove is provided with an installation position, the base plate is provided with an overflowing bottom wall on the outer side of the installation position, the bottom wall of the installation position is lower than the overflowing bottom wall, and the filtering part is installed on the installation position. And the bottom side edge of the first frame edge is lower than the overflowing bottom wall. According to the technical scheme provided by the utility model, the effective filtering area of the filtering piece can be increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner technical field, especially a bottom plate assembly and air conditioner. BACKGROUND

[0002] The condensate water produced in the refrigeration process of the air conditioner will drip onto the bottom plate located below the heat exchanger, thereby gathering into the water collecting groove of the bottom plate, and finally being discharged through the water pump on the bottom plate.

[0003] Currently, a filter water groove is usually arranged on the bottom plate to communicate with the water inlet pipe of the water pump, and the filter element arranged at the water inlet of the filter water groove generally comprises a fixed frame and a filter screen. SUMMARY

[0004] The main purpose of the utility model is to provide a bottom plate assembly and air conditioner, which aims to increase the effective filtering area of the filter element.

[0005] To achieve the above purpose, the bottom plate assembly provided by the utility model comprises:

[0006] The filter element comprises a filter screen and a fixed frame arranged around the filter screen, and the fixed frame has a first frame edge; and

[0007] The bottom plate is provided with a filter water groove, the filter water groove is used to communicate with the water inlet of the water pump, the groove side wall of the filter water groove is provided with a mounting position, the bottom plate has an overflow bottom wall outside the mounting position, the bottom wall of the mounting position is lower than the overflow bottom wall, and the filter element is mounted in the mounting position, so that the bottom side edge of the first frame edge is lower than the overflow bottom wall.

[0008] In an embodiment, the bottom wall of the filter water groove is flush with the overflow bottom wall, the mounting position comprises a bottom insertion slot recessed relative to the overflow bottom wall, and the first frame edge is inserted into the bottom insertion slot.

[0009] In an embodiment, the bottom wall of the filter water groove is lower than the overflow bottom wall, the mounting position comprises a sunken step formed between the overflow bottom wall and the bottom wall of the filter water groove, and the first frame edge is arranged on one side of the sunken step close to the filter water groove.

[0010] In an embodiment, the height of the sunken step is greater than or equal to the height of the first frame edge.

[0011] In an embodiment, a downwardly gradually inclined guide surface is arranged between the overflow bottom wall and the sunken step.

[0012] In an embodiment, the fixed frame further comprises two second frame edges arranged at two ends of the first frame edge, and the mounting position further comprises two side insertion slots arranged at opposite side edges of the water passage, and the two second frame edges are respectively inserted into the two side insertion slots.

[0013] In an embodiment, the width of the second frame edge is less than or equal to the width of the side insertion slot.

[0014] In an embodiment, the first frame edge is oppositely arranged in two, the heights of the two first frame edges are not equal, and one of the first frame edges is mounted to the bottom wall of the mounting position.

[0015] In an embodiment, the bottom disc is provided with a water receiving groove, the water filtering groove is separated in the water receiving groove, and the flow passage bottom wall is formed on the bottom wall of the water receiving groove.

[0016] In an embodiment, the flow passage bottom wall is provided with a clamping portion close to the mounting position, one of the clamping portion and the filter element is provided with a clamping groove, and the other is provided with a clamping convex matched with the clamping groove.

[0017] The utility model also proposes an air conditioner, including indoor unit, outdoor unit and above-mentioned bottom disc subassembly, the bottom disc subassembly is located in the indoor unit, the indoor unit is connected through refrigerant hose subassembly between the outdoor unit, and the refrigerant hose subassembly is pre-filled with refrigerant.

[0018] The technical scheme of the utility model discloses that the bottom wall of the mounting position for installing the filter element is arranged to be lower than the flow passage bottom wall, so that the mounting position height of the first frame edge of the fixed frame is lower than the height of the flow passage bottom wall, thereby reducing the water passage area of the fixed frame invading the water passage, thereby being favorable to increasing the water passage area of the filter screen covering the water passage, and further can increase the effective filtering area of the filter element, even if the partial area of the filter screen is blocked, the remaining area of the filter screen can continue to bear a large flow load, which is helpful to prolong the service life of the filter element, reduce the replacement frequency, and thereby reduce the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creating labor.

[0020] Figure 1 It is a partial structure schematic view of the bottom disc subassembly of the utility model;

[0021] Figure 2 It isFigure 1 A first cross-sectional structure schematic diagram of the chassis assembly;

[0022] Figure 3 For Figure 1 A second cross-sectional structure schematic diagram of the chassis assembly.

[0023] Brief Description of the Drawings:

[0024] 100, filter; 110, filter screen; 120, fixed frame; 121, first frame edge; 122, second frame edge; 130, clamping protrusion; 200, chassis; 210, water receiving groove; 211, flow bottom wall; 220, water filtering groove; 221, water passing section; 222, mounting section; 223, reinforcing column; 224, anti-error rib; 230, mounting position; 231, sunken step; 232, side slot; 240, guide surface; 250, clamping part; 251, clamping groove.

[0025] The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0029] The condensate produced in the refrigeration process of the air conditioner will drip onto the bottom plate located below the heat exchanger, thereby gathering into the water collecting groove of the bottom plate, and finally being discharged through the water pump on the bottom plate.

[0030] At present, a filter groove is usually arranged on the bottom plate to communicate with the water inlet pipe of the water pump, and the filter element arranged at the water inlet of the filter groove generally comprises a fixed frame and a filter screen. Influenced by the fixed frame, the fixed frame will occupy part of the water passing surface of the water inlet, so that the effective filtering area of the filter element is too small, and the filter screen is easy to be blocked after a long time.

[0031] In order to solve this problem, the utility model provides a bottom plate assembly.

[0032] Please refer to Figures 1 to 3 In an embodiment of the utility model, the bottom plate assembly comprises a filter element 100 and a bottom plate 200, the filter element 100 comprises a filter screen 110 and a fixed frame 120 arranged at the periphery of the filter screen 110, the fixed frame 120 has a first frame edge 121, the bottom plate 200 is provided with a filter groove 220, the filter groove 220 is used to communicate with the water inlet of the water pump, the groove side wall of the filter groove 220 is provided with a mounting position 230, the bottom plate 200 has a water passing bottom wall 211 outside the mounting position, the bottom wall of the mounting position 230 is lower than the water passing bottom wall 211, the filter element 100 is mounted on the mounting position 230, so that the bottom side edge of the first frame edge 121 is lower than the water passing bottom wall 211.

[0033] The utility model discloses a technical scheme through the installation position 230 of installing filter piece 100 bottom wall setting lower than the overflow bottom wall 211, like this can make the installation position of the first frame edge 121 of fixed frame 120 bottom wall height lower than the height of overflow bottom wall, thereby reducing fixed frame 120 encroaching the water area of water outlet, thereby be favorable to increase the water area of filter screen 110 covering water outlet, and then can increase the effective filtering area of filter piece 100, even if the partial area of filter screen 110 is blocked, the remaining area of filter screen 110 can continue to bear the flow load of greater, help to prolong the service life of filter piece 100, reduce the replacement frequency, thereby reduce the maintenance cost.

[0034] Filter piece 100 can filter the dust, hair and other impurities of the water flow into filter water tank 220, thereby reducing the dust, hair and other impurities into the water pump, and then protecting the normal operation of the water pump. If the discharge port of the water pump is communicated with the water tank of the air conditioner, the probability of dust, hair and other impurities entering the internal system of the air conditioner can also be reduced.

[0035] In the actual manufacturing process, the water collecting groove 210 can be formed by stamping the bottom disc 200.

[0036] The water inlet of the water pump can be directly communicated with the filter water tank 220, or the water inlet of the water pump can be communicated with the filter water tank 220 through a pipeline.

[0037] Optionally, the filter piece 100 is clamped on the wall of the water outlet. The clamping installation and disassembly are convenient, tool-free disassembly can be achieved, and no additional materials such as screws are required during installation. Therefore, the clamping connection method is low in cost. The installation process of the clamping position is very simple, generally only one pushing action is required, without rotation or product positioning before installation. The process is fast and simple, and the installation, disassembly and replacement efficiency of the filter piece 100 can be improved. Of course, the utility model is not limited to this, and in other embodiments, the filter piece 100 can also be screwed to the wall of the water outlet.

[0038] Further, in an embodiment, the bottom wall of the filter water tank 220 is flush with the overflow bottom wall 211, and the installation position 230 includes a bottom slot recessed relative to the overflow bottom wall 211, and the first frame edge 121 is inserted into the bottom slot. It can be understood that the bottom wall of the filter water tank 220 is flush with the overflow bottom wall 211, and the installation position 230 is configured as a bottom slot recessed relative to the overflow bottom wall 211. In this way, while increasing the effective filtering area of the filter screen 110, the structure of the bottom disc 200 is more compact.

[0039] In the second embodiment, the bottom wall of the water filtering tank 220 is lower than the water passing bottom wall 211, the mounting position 230 comprises a sunken step 231 formed between the water passing bottom wall 211 and the bottom wall of the water filtering tank 220, and the first frame 121 is arranged on the side of the sunken step 231 close to the water filtering tank 220, so that the bottom wall height of the mounting position of the first frame 121 is lower than the water passing bottom wall 211, and the volume of the water filtering tank 220 is increased. In addition, the mounting position 230 comprises a sunken step 231 formed between the water passing bottom wall 211 and the bottom wall of the water filtering tank 220, that is, the communication opening between the sunken step 231 and the water filtering tank 220 is an open opening, so that the mounting position 230 is convenient to clean.

[0040] Further, the height of the sunken step 231 is greater than or equal to the height of the first frame 121. It can be understood that in this way, the first frame 121 is completely sunken relative to the bottom wall of the water collecting tank 210, so that the first frame 121 completely avoids occupying the water passing area of the water passing opening, and further increases the water passing area of the filter screen 110 covering the water passing opening, and further increases the effective filtering area of the filter element 100. Of course, the present scheme is not limited to this, and in other embodiments, the height of the sunken step 231 can also be less than the height of the first frame 121.

[0041] In the second embodiment, the bottom wall of the water filtering tank 220 is lower than the water passing bottom wall 211, the mounting position 230 comprises a sunken step 231 formed between the water passing bottom wall 211 and the bottom wall of the water filtering tank 220, and the first frame 121 is arranged on the side of the sunken step 231 close to the water filtering tank 220, so that the bottom wall height of the mounting position of the first frame 121 is lower than the water passing bottom wall 211, and the volume of the water filtering tank 220 is increased. In addition, the mounting position 230 comprises a sunken step 231 formed between the water passing bottom wall 211 and the bottom wall of the water filtering tank 220, that is, the communication opening between the sunken step 231 and the water filtering tank 220 is an open opening, so that the mounting position 230 is convenient to clean.

[0042] Further, the fixed frame 120 further comprises two second frame edges 122 arranged at two ends of the first frame edge 121, and the mounting position 230 further comprises two side insertion grooves 232 arranged at opposite two side edges of the water passing opening, and the two second frame edges 122 are respectively inserted into the two side insertion grooves 232. It can be understood that the arrangement of the side insertion grooves 232 can limit the displacement of the second frame edges 122, so as to avoid the shaking of the filter element 100 away from one side of the water filtering groove 220, and thus the installation stability of the filter element 100 is increased. Moreover, the arrangement of the side insertion grooves 232 can guide the filter element 100 to be inserted into the sunken step 231, and only the two second frame edges 122 need to be inserted into the side insertion grooves 232 during installation, and the filter element 100 is pushed in the direction of the sunken step 231, so that the installation of the filter element 100 is completed. Such installation operation is simpler. Of course, the present scheme is not limited to this, and in other embodiments, the mounting position 230 can only comprise the sunken step 231 formed between the water passing bottom wall 211 and the bottom wall of the water filtering groove 220, and one end of the filter element 100 away from the bottom wall of the water filtering groove 220 is screw-connected with the opening wall of the water passing opening.

[0043] In the present embodiment, the insertion end of the side insertion groove 232 is in an expanded port setting, so that the filter element 100 is more easily aligned with the insertion groove during installation of the filter element 100 by the user, and thus the installation efficiency is improved. Of course, the present utility model is not limited to this, and in other embodiments, the insertion end of the side insertion groove 232 can not be in an expanded port setting.

[0044] Optionally, the width of the second frame edge 122 is less than or equal to the width of the side insertion groove 232, so that the second frame edge 122 can not occupy the water passing area of the water passing opening, and thus the water passing area of the filter screen 110 covering the water passing opening is further increased, and the effective filtering area of the filter element 100 is further increased. Of course, the present utility model is not limited to this, and in other embodiments, the width of the second frame edge 122 can be greater than the width of the side insertion groove 232.

[0045] Optionally, two first frame edges 121 are provided opposite to each other, and the heights of the two first frame edges 121 are not equal. One of the first frame edges 121 is selected and installed on the bottom wall of the mounting position 230. It can be understood that in order to adapt to different models of water pumps, different water flow rates of chassis 200, etc., there will be a certain difference in the height difference between the bottom wall of the mounting position 230 and the flow-through bottom wall 211. By providing two first frame edges 121 opposite to each other and setting the heights of the two first frame edges 121 to be unequal, the filter element 100 can be adapted to different chassis 200, that is, it can adapt to different height differences between the bottom wall of the mounting position 230 and the flow-through bottom wall 211, thereby improving the adaptability of the filter element 100. Of course, the present invention is not limited to this. In some other embodiments, two first frame edges 121 are provided opposite to each other, and the heights of the two first frame edges 121 can also be equal.

[0046] Optionally, the chassis 200 is provided with a water receiving groove 210, and the water receiving groove 210 is divided into a filter groove 220. The flow-through bottom wall 211 is formed on the bottom wall of the water receiving groove 210. In this solution, by dividing the water receiving groove 210 of the chassis 200 into a filter groove 220, and setting a water outlet on the side wall of the filter groove 220, the mounting position 230 is formed on the water outlet, and the filter element 100 covers the water outlet. It can be understood that, compared with the prior art solution of placing the filter screen in front of the water pump inlet pipe, since the wall area of ​​the filter groove 220 in this solution is larger, there is enough area to set the water outlet, thereby effectively increasing the water flow area of ​​the water outlet, so that the area of ​​the filter element 100 can be set large enough, which is conducive to increasing the filtration area of ​​the water pump's filter element 100. Of course, this utility model is not limited to this. In some other embodiments, a water filter tank can be set directly on the chassis 200 without setting a water receiving tank, and the water in the chassis can flow directly into the water filter tank 220 along the flow bottom wall 211.

[0047] It should be noted that the water collection tank 210 is used to collect condensate that falls from the heat exchanger onto the chassis 200. In practical applications, when the air conditioner is in cooling mode, the heat exchanger is an evaporator. The temperature of the evaporator is lower than the temperature of the air at the air inlet of the air conditioner. Therefore, when air enters the air conditioner casing through the air inlet and exchanges heat with the evaporator, the water vapor in the air will form condensate on the evaporator. The condensate can fall onto the chassis 200 and then flow onto the chassis 200, where it will collect in the water collection tank 210.

[0048] Optionally, the flow-through bottom wall 211 is provided with a locking portion 250 near the mounting position 230. One of the locking portion 250 and the filter element 100 is provided with a locking groove 251, and the other is provided with a locking protrusion 130 that engages with the locking groove 251. It can be understood that the filter element 100 slides along the side slot 230. When the locking protrusion 130 or the locking groove 251 on the filter element 100 slides to the position of the locking groove 251 or the locking protrusion 130 on the locking portion 250, the locking protrusion 130 engages into the locking groove 251, thereby fixing the filter element 100. Of course, this utility model is not limited to this. In some other embodiments, the edge of the filter element 100 can also be interference-fitted into the slot without providing a locking portion 250.

[0049] It should be noted that the filter element 100 and / or the engaging part 250 have a certain elastic deformation. When the engaging protrusion 130 engages into the engaging groove 251 or disengages from the engaging groove 251, the filter element 100 and / or the engaging part 250 undergo elastic deformation, thereby making the installation and removal of the filter element 100 easier.

[0050] In this embodiment, the engaging groove 251 is provided on the engaging portion 250, and the engaging protrusion 130 is provided on the filter element 100. In other embodiments, the engaging groove 251 may also be provided on the filter element 100, while the engaging protrusion 130 may be provided on the engaging portion 250.

[0051] Furthermore, each side of the filter element 100 is provided with two latching protrusions 130. The two latching protrusions 130 on the same side are respectively located on opposite sides of the filter element 100. It can be understood that by providing latching protrusions 130 on each side of the filter element 100, it is not necessary to distinguish the orientation of the side containing the latching protrusion 130 towards the engaging portion 250 when installing the filter element 100. This saves the step of determining the orientation of the latching protrusion 130, thereby improving installation efficiency. Secondly, the two latching protrusions 130 on the same side are respectively located on opposite sides of the filter element 100. This allows for insertion into the slot first without distinguishing the orientation of the side containing the latching protrusion 130, thus saving the step of determination and facilitating blind insertion, thereby further improving installation efficiency.

[0052] It should be noted that when there are two first frame edges 121 arranged opposite each other, and the heights of the two first frame edges 121 are not equal, each side of the filter element 100 is provided with two locking protrusions 130. The two locking protrusions 130 on the same side are respectively arranged on opposite sides of the filter element 100. This allows the filter element 100 and the locking part 250 to be locked together, regardless of which first frame edge 121 is selected to be at least partially recessed in the mounting position 230.

[0053] In this embodiment, the water outlet is provided as a notch that penetrates the side wall of the filter tank 220. This is beneficial to increase the water flow area of ​​the water outlet and the filtration area of ​​the filter element 100. In this way, even if a local area of ​​the filter element 100 is blocked, the remaining area of ​​the filter element 100 can continue to withstand a large flow load, which helps to extend the service life of the filter element 100, reduce the replacement frequency, and thus reduce maintenance costs.

[0054] Optionally, the filter tank 220 has reinforcing columns 223 on its tank wall. The reinforcing columns 223 are spaced apart from the side slots 232. The bottom of the filter tank 220 is provided with anti-misalignment ribs 224 corresponding to the spaced interval. Specifically, in order to increase the strength of the side wall of the filter tank 220, reinforcing columns 223 are provided on the side wall of the filter tank 220. The reinforcing columns 223 are spaced apart from the side wall of the side slots 232, thus forming a space between the reinforcing columns 223 and the side wall of the side slots 232. Operators may mistake this space for the side slots 232, leading to incorrect installation of the filter element 100. This solution provides anti-misalignment ribs 224 corresponding to the spaced interval to avoid user installation errors. If the operator does not notice the installation error, it will reduce the installation stability of the filter element 100 and affect the filtration effect of the filter element 100. If the operator notices the error, the operator needs to disassemble and reinstall it, thus affecting the installation efficiency.

[0055] The anti-misalignment rib 224 extends in a direction that intersects with the extension direction of the water outlet, and the anti-misalignment rib 224 is positioned close to the water outlet.

[0056] Optionally, the water filter tank 220 includes a connected water passage section 221 and an installation section 222. The water pump is installed in the installation section 222, and the water outlet is located in the water passage section 221. It can be understood that this solution divides the water filter tank 220 into an installation section 222 for installing the water pump and a water passage section 221 for setting the water outlet. This allows the water outlet to be not limited by the size of the installation section 222 for installing the water pump. Through the relative positional relationship between the water pump and the filter element 100, the water outlet can be designed to be larger, thereby increasing the filtration area of ​​the filter element 100 and making it less likely to clog the filter element 100.

[0057] This utility model also proposes an air conditioner, which includes an indoor unit, an outdoor unit, and a chassis assembly. The specific structure of the chassis assembly is as described in the above embodiments. Since this air conditioner adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, and will not be described in detail here. The chassis assembly is located on the indoor unit, and the indoor unit and the outdoor unit are connected by a refrigerant hose assembly, which is pre-charged with refrigerant.

[0058] It is understood that this air conditioner is a split-type air conditioner that is easy for users to install themselves. It uses a refrigerant hose assembly to connect the indoor heat exchanger of the indoor unit and the outdoor heat exchanger of the outdoor unit, and refrigerant is injected into the refrigerant circuit before the equipment leaves the factory. Thus, when users install the equipment themselves, they only need to fix the indoor and outdoor units separately, without needing to install refrigerant pipes or add refrigerant, thereby reducing installation difficulty and enabling individual installation. However, this design is not limited to this; in other embodiments, the air conditioner of this utility model can also be a conventional split-type air conditioner.

[0059] The refrigerant hose assembly can be a flexible refrigerant pipe and a sleeve that covers the flexible refrigerant pipe, or it can include any two of the three: a refrigerant pipe, a drain pipe, and a power-carrying wire, as well as a sleeve that covers both of the three, or it can include a refrigerant pipe, a drain pipe, a power-carrying wire, and a sleeve that covers all three, to facilitate connection.

[0060] Furthermore, the compressor of the air conditioner is located inside the indoor unit, which reduces the weight of the outdoor unit and facilitates its installation.

[0061] Optionally, the air conditioner is equipped with a noise reduction structure for the compressor, thereby reducing the noise of the compressor installed in the indoor unit.

[0062] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A chassis assembly, characterized in that, include: A filter element includes a filter screen and a fixed frame disposed around the periphery of the filter screen, the fixed frame having a first frame edge; as well as The chassis is provided with a water filter tank for communicating with the water inlet of the water pump. The side wall of the water filter tank is provided with an installation position. The chassis has a flow-through bottom wall outside the installation position. The bottom wall of the installation position is lower than the flow-through bottom wall. The filter element is installed at the installation position so that the bottom edge of the first frame is lower than the flow-through bottom wall.

2. The chassis assembly as described in claim 1, characterized in that, The bottom wall of the filter tank is flush with the flow bottom wall, and the mounting position includes a bottom slot recessed relative to the flow bottom wall, with the first frame edge inserted into the bottom slot.

3. The chassis assembly as described in claim 1, characterized in that, The bottom wall of the filter tank is lower than the flow bottom wall, and the mounting position includes a recessed step formed between the flow bottom wall and the bottom wall of the filter tank. The first frame edge is located on the side of the recessed step closer to the filter tank.

4. The chassis assembly as described in claim 3, characterized in that, The height of the sunken step is greater than or equal to the height of the first frame edge.

5. The chassis assembly as described in claim 3, characterized in that, A guide surface that gradually slopes downwards is provided between the flow-through bottom wall and the sinking step.

6. The chassis assembly as described in claim 3, characterized in that, The fixing frame also includes two second frame sides located at both ends of the first frame side, and the mounting position also includes two side slots located on opposite sides of the water outlet of the water filter tank, with the two second frame sides respectively inserted into the two side slots.

7. The chassis assembly as described in claim 6, characterized in that, The width of the second frame edge is less than or equal to the width of the side slot.

8. The chassis assembly as claimed in claim 1, characterized in that, Two first frame edges are provided opposite each other, and the heights of the two first frame edges are not equal. One of the first frame edges is selected and installed on the bottom wall of the mounting position.

9. The chassis assembly as claimed in claim 1, characterized in that, The chassis is provided with a water receiving trough, and the water receiving trough is divided into a water filtering trough. The flow-through bottom wall is formed on the bottom wall of the water receiving trough.

10. The chassis assembly as claimed in any one of claims 1 to 9, characterized in that, The bottom wall of the flow passage is provided with a locking part near the mounting position. One of the locking part and the filter element is provided with a locking groove, and the other is provided with a locking protrusion that cooperates with the locking groove.

11. An air conditioner, characterized in that, It includes an indoor unit, an outdoor unit, and a chassis assembly as described in any one of claims 1 to 10, wherein the chassis assembly is disposed on the indoor unit, the indoor unit and the outdoor unit are connected by a refrigerant hose assembly, and the refrigerant hose assembly is pre-charged with refrigerant.

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