Window Air Conditioner

Abstract

The present invention discloses a window air conditioner, which comprises a housing, an indoor air duct assembly and a fresh air valve; the housing is provided with an indoor air outlet; the indoor air duct assembly is installed in the housing, the indoor air duct assembly forms an indoor air duct connected with the indoor air outlet, and a fresh air duct connecting the indoor air duct with the outdoor environment, the fresh air duct has a fresh air inlet; the fresh air valve is inserted in the housing, and the fresh air valve can be moved to open or block the fresh air inlet. The window air conditioner of the present invention can realize the fresh air exchange function, improve the indoor environmental quality, and enhance the user's comfort experience.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and in particular to a window type air conditioner. Background Art

[0002] At present, most window air conditioners on the market do not have indoor air ducts connected to the outdoor environment, so this conventional air conditioner cannot achieve the function of fresh air exchange. When this conventional air conditioner is working, the air circulates between the indoor air duct and the indoor environment for heat exchange. Over time, the content of dust, bacteria or harmful gases in the air of the indoor environment gradually increases, causing the indoor environment quality to gradually decline, which is very likely to affect the user's comfort experience. Summary of the invention

[0003] The main purpose of the present invention is to provide a window air conditioner, which aims to achieve a fresh air exchange function, improve the indoor environmental quality, and enhance the user's comfort experience.

[0004] To achieve the above-mentioned purpose, the present invention proposes a window air conditioner, which includes a shell, an indoor air duct assembly and a fresh air valve; the shell is provided with an indoor air outlet; the indoor air duct assembly is installed in the shell, the indoor air duct assembly forms an indoor air duct connected to the indoor air outlet, and a fresh air duct connecting the indoor air duct and the outdoor environment, the fresh air duct having a fresh air inlet; the fresh air valve is inserted into the shell, and the fresh air valve can be moved to open or block the fresh air inlet.

[0005] In one embodiment, the fresh air valve includes a valve block and a push-pull rod; wherein the push-pull rod is inserted into the shell along the front-rear direction; the valve block is connected to the push-pull rod to open or block the fresh air inlet as the push-pull rod moves.

[0006] In one embodiment, the push-pull rod includes a push-pull arm, a connecting arm bent laterally from a rear end of the push-pull arm, and an extending arm connected to the connecting arm and extending forward, wherein the extending arm is connected to the valve block.

[0007] In one embodiment, the fresh air valve further comprises a guide sleeve fixedly mounted on the indoor air duct assembly, the guide sleeve is sleeved on the push-pull arm, and the push-pull arm is slidable in a front-rear direction relative to the guide sleeve.

[0008] In one embodiment, the push-pull arm is provided with a plurality of positioning slots spaced apart in the front-rear direction, and the guide sleeve is provided with positioning teeth, and the positioning teeth can be selectively engaged and fixed with any one of the positioning slots.

[0009] In one embodiment, a stopper protrudes from the rear of the push-pull arm, and the guide sleeve is provided with a stopper step, and the stopper step is located at the front side of the stopper protrusion so as to abut against the stopper protrusion.

[0010] In one embodiment, the fresh air valve further includes a handle connected to the front end of the push-pull rod, and the handle and the push-pull rod are integrally formed, or the handle and the push-pull rod are detachably connected.

[0011] In one embodiment, the handle and the push-pull rod are detachably connected by any one or more combinations of a clamping structure, a magnetic attraction structure, a screw connection structure, and a threaded structure.

[0012] In one embodiment, the handle includes a bracelet and a sleeve connected to the bracelet, and the inner wall of the sleeve is provided with a pair of slots; the front end of the push-pull arm is provided with a pair of elastic claws, the pair of elastic claws are arranged in the sleeve, and are correspondingly engaged with the pair of slots.

[0013] In one embodiment, the indoor air outlet and a display screen located on one side of the indoor air outlet are provided at the top of the front panel, and the front panel is provided with an installation opening for the handle to pass through between the indoor air outlet and the display screen.

[0014] In one embodiment, the valve block and the push-pull rod are integrally formed.

[0015] In one embodiment, the valve block is hollow.

[0016] In one embodiment, the fresh air duct includes a front fresh air section, a middle fresh air section and a rear fresh air section; wherein, the front fresh air section is connected to the indoor air duct; the rear fresh air section is higher than the front fresh air section and is connected to the outdoor environment; the middle fresh air section extends in the up and down directions and connects the front fresh air section and the rear fresh air section.

[0017] In one embodiment, the window air conditioner also includes a centrifugal fan wheel, an axial flow fan wheel, an indoor heat exchanger and an outdoor heat exchanger installed on the chassis; wherein the indoor heat exchanger and the centrifugal fan wheel are located in the indoor air duct; the outdoor heat exchanger and the axial flow fan wheel are located in the outdoor air duct.

[0018] In one embodiment, the shell includes a chassis, and a shell cover and a front panel installed on the chassis, the shell body is located at the rear side of the front panel and is spliced ​​with the front panel, and the centrifugal wind wheel, axial flow wind wheel, indoor heat exchanger, outdoor heat exchanger, and outdoor air duct assembly are installed on the chassis.

[0019] The technical solution of the present invention is to form a fresh air duct connecting the indoor air duct and the outdoor environment on the indoor air duct assembly, and insert a fresh air valve into the housing, so as to use the movement of the fresh air valve to open or block the fresh air inlet. When the fresh air valve opens the fresh air inlet, the air from the outdoor environment enters the indoor environment through the fresh air duct, thereby realizing the fresh air exchange function, improving the indoor environment quality, and enhancing the user's comfort experience. When the fresh air valve blocks the fresh air inlet, the fresh air duct is closed, and the air from the outdoor environment cannot pass through the fresh air duct.

[0020] It is worth mentioning that since the fresh air valve is located at the fresh air inlet, when the fresh air valve blocks the fresh air inlet, the fresh air duct is in a negative pressure state, and the air in the outdoor environment is relatively in a positive pressure state. Therefore, the air in the outdoor environment will push the fresh air valve toward the inside of the fresh air inlet, making it difficult for the fresh air valve to fall off from the fresh air inlet, thereby making the fresh air inlet blocked more tightly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 creative work.

[0022] Figure 1 It is a schematic diagram of the structural decomposition of an embodiment of a window type air conditioner of the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the internal structure of a window air conditioner;

[0024] Figure 3 for Figure 1 Schematic diagram of the indoor air duct assembly of the window air conditioner;

[0025] Figure 4 A schematic diagram of a fresh air valve of a window air conditioner of the present invention blocking a fresh air duct;

[0026] Figure 5 Figure 4 Schematic diagram of the fresh air duct opened by the central fresh air valve;

[0027] Figure 6 Figure 4 Schematic diagram of the structure of the window air conditioner before the fresh air valve is installed;

[0028] Figure 7 for Figure 6 The enlarged view of point A in the middle;

[0029] Figure 8 for Figure 4 Schematic diagram of the new air valve installed on the window air conditioner;

[0030] Fig. 9 It is a structural schematic diagram of an embodiment of a fresh air valve of a window air conditioner of the present invention;

[0031] Fig.10 for Fig. 9 The enlarged view of point B in the middle;

[0032] Fig.11 for Fig. 9 Schematic diagram of some structures of Zhongxin air valve;

[0033] Fig.12 It is a structural schematic diagram of another embodiment of a fresh air valve of a window air conditioner of the present invention;

[0034] Fig.13 for Fig.12 Top view of the Zhongxin air valve.

[0035] Description of Figure Numbers:

[0036] Label name Label name 100 case 421 Push-pull arm 110 Chassis 421a Positioning slot 120 Front Panel 421b Stop bump 121 Air intake grille 421c Elastic claw 122 Air outlet grille 422 Connecting arm 123 Display 423 Extension arm 124 Mounting port 430 Guide sleeve 200 Indoor air duct components 431 Positioning tooth 210 Indoor air duct 432 Stop step 220 Fresh air duct 440 handle 221 Front fresh air section 441 Bracelet 222 Middle fresh air section 442 Sleeve 223 Rear fresh air section 500 compressor 300 Outdoor air duct components 600a Centrifugal wind wheel 310 Outdoor air duct 600b Axial flow fan 400 Fresh air valve 700a Indoor heat exchanger 410 Valve block 700b Outdoor heat exchanger 420 Push-pull rod

[0037] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0038] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0039] 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 under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] 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 used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is 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.

[0041] The present invention discloses a window air conditioner, which can realize the function of fresh air exchange, improve the indoor environment quality, and enhance the user's comfort experience. Figures 1 to 13 In the figure, the solid arrows indicate the spatial structures such as holes, grooves, or cavities, and the dotted arrows indicate the fresh air path.

[0042] See also Figures 1 to 3 In one embodiment of the window air conditioner of the present invention, the window air conditioner comprises a housing 100, an indoor air duct assembly 200 and a fresh air valve 400. The housing 100 is provided with an indoor air outlet; the indoor air duct assembly 200 is installed in the housing 100, and the indoor air duct assembly 200 is formed with an indoor air duct 210 connected to the indoor air outlet, and a fresh air duct 220 connecting the indoor air duct 210 with the outdoor environment, and the fresh air duct 220 has a fresh air inlet; the fresh air valve 400 is inserted in the housing 100, and the fresh air valve 400 can movably open or block the fresh air inlet (such as Figure 4 and Figure 5 ).

[0043] Specifically, the housing 100 includes a chassis 110, a shell (not shown) and a front panel 120 mounted on the chassis 110, and the housing 100 is formed with an indoor air inlet, an indoor air outlet, an outdoor air inlet and an outdoor air outlet. Among them, the front part of the chassis 110 is installed with an indoor air duct assembly 200, and the indoor air duct 210 of the indoor air duct assembly 200 connects the indoor air inlet with the indoor air outlet. The rear part of the chassis 110 is installed with an outdoor air duct assembly 300, and the outdoor air duct assembly 300 is formed with an outdoor air duct 310, and the outdoor air duct 310 connects the outdoor air inlet with the outdoor air outlet. The front panel 120 is installed at the front end of the chassis 110, and the front panel 120 is provided with an air inlet grille 121 opposite to the indoor air inlet, and an air outlet grille 122 opposite to the indoor air outlet. The housing cover is mounted on the chassis 110 and is located at the rear side of the front panel 120 to cover the indoor air duct assembly 200 and the outdoor air duct assembly 300 .

[0044] The window air conditioner further comprises a compressor 500, a centrifugal fan wheel 600a, an axial flow fan wheel 600b, an indoor heat exchanger 700a and an outdoor heat exchanger 700b installed on the chassis 110; wherein the indoor heat exchanger 700a and the centrifugal fan wheel 600a are located in the indoor air duct 210; the compressor 500, the outdoor heat exchanger 700b and the axial flow fan wheel 600b are located in the outdoor air duct 310. When the window air conditioner is working, the air of the outdoor environment enters the outdoor air duct 310 from the outdoor air inlet driven by the axial flow fan wheel 600b, and this part of the outdoor air exchanges heat with the outdoor heat exchanger 700b in the outdoor air duct 310, and the heat-exchanged air is blown back to the outdoor environment from the outdoor air outlet. Driven by the centrifugal wind wheel 600a, the air of the indoor environment enters the indoor air duct 210 from the indoor air inlet. This part of the indoor air exchanges heat with the indoor heat exchanger 700a in the indoor air duct 210. The air after heat exchange is blown into the room from the indoor air outlet to achieve cooling or heating.

[0045] The indoor air duct assembly 200 also forms a fresh air duct 220, which has a fresh air inlet and a fresh air outlet. The fresh air inlet is connected to the outdoor environment, and the fresh air outlet is connected to the indoor air duct 210. Figure 4 and Figure 5 When fresh air needs to be introduced into the indoor environment, the fresh air valve 400 can be moved to open the fresh air inlet, so that the air from the outdoor environment enters the indoor air duct 210 from the fresh air inlet through the fresh air duct 220. This part of the outdoor air mixes with the indoor air in the indoor air duct 210 and finally exits the indoor environment from the indoor side outlet, thereby realizing the fresh air exchange function. When fresh air does not need to be introduced into the indoor environment, the fresh air valve 400 can be moved in the opposite direction to block the fresh air inlet, and the fresh air duct 220 is closed, so that no fresh air passes through the fresh air duct 220.

[0046] The technical solution of the present invention forms a fresh air duct 220 connecting the indoor air duct 210 and the outdoor environment on the indoor air duct assembly 200, and inserts the fresh air valve 400 into the housing 100, so as to use the fresh air valve 400 to move to open or block the fresh air inlet of the fresh air duct 220. When the fresh air valve 400 opens the fresh air inlet, the air from the outdoor environment enters the indoor environment through the fresh air duct 220, thereby realizing the fresh air exchange function, improving the indoor environment quality, and enhancing the user's comfort experience. When the fresh air valve 400 blocks the fresh air inlet, the fresh air duct 220 is closed, and the air from the outdoor environment cannot pass through the fresh air duct 220.

[0047] It is worth mentioning that since the fresh air valve 400 is located at the fresh air inlet, when the fresh air valve 400 blocks the fresh air inlet (see Figure 4), the fresh air duct 220 is in a negative pressure state, and the air in the outdoor environment is relatively in a positive pressure state, so the air in the outdoor environment will push the fresh air valve 400 forward, that is, squeeze toward the inside of the fresh air inlet, so that the fresh air valve 400 is not easy to fall off from the fresh air inlet, so that the fresh air inlet is blocked more tightly. If the fresh air valve 400 is set at the fresh air outlet, it will be squeezed toward the outside of the fresh air outlet and easily squeezed off.

[0048] See also Figure 1 , Figure 6 and Figure 7 As for the design position of the fresh air duct 220, the fresh air duct 220 can be set below, above, or on the left and right sides of the centrifugal wind wheel 600a. In view of the fact that the indoor air outlet faces the top of the front panel 120, the negative pressure of the indoor air duct 210 near the indoor air outlet is relatively strong. Therefore, the fresh air duct 220 is designed above the centrifugal wind wheel 600a, which is conducive to driving the fresh air of the fresh air duct 220 into the indoor air duct 210.

[0049] There is no specific limitation on the formation of the fresh air duct 220 on the indoor air duct assembly 200. The fresh air duct 220 can be a gap reserved between the air duct enclosures of the indoor air duct assembly 200, or a through hole penetrating the indoor air duct assembly 200. There are also many design methods for the shape structure of the fresh air duct 220. For example, the fresh air duct 220 can be designed in a straight line, an L shape, or a Z shape.

[0050] Please continue reading Figure 1 , Figure 6 and Figure 7 In this embodiment, the fresh air duct 220 is roughly Z-shaped, and includes a front fresh air section 221, a middle fresh air section 222, and a rear fresh air section 223. The front fresh air section 221 is connected to the indoor air duct 210; the rear fresh air section 223 is higher than the front fresh air section 221 and connected to the outdoor environment; the middle fresh air section 222 extends in the up and down direction and connects the front fresh air section 221 and the rear fresh air section 223.

[0051] Specifically, the front fresh air section 221 and the rear fresh air section 223 both extend in the front-to-back direction, and the rear fresh air section 223 is higher than the front fresh air section 221. This is beneficial for the air in the indoor air duct 210 to enter the indoor air duct 210 from top to bottom from the outdoor environment under the action of the negative pressure of the indoor air duct 210 and the air's own gravity, thereby avoiding the situation where the air in the indoor air duct 210 is blown back to the outdoor environment.

[0052] See also Figures 8 to 10Based on any of the above embodiments, the structural design of the fresh air valve 400 also has a variety of structural types, which can be specifically designed according to the moving direction of the fresh air valve 400. In this embodiment, the fresh air valve 400 includes a valve block 410 and a push-pull rod 420; wherein the push-pull rod 420 is inserted into the housing 100 along the front-back direction; the valve block 410 is connected to the push-pull rod 420 to open or block the fresh air inlet as the push-pull rod 420 moves.

[0053] When using the fresh air valve 400, the user can push the push-pull rod 420 backward, and the valve block 410 moves backward with the push-pull rod 420 and leaves the fresh air inlet, thereby opening the fresh air inlet; conversely, the user pulls the push-pull rod 420 forward, and the valve block 410 moves forward with the push-pull rod 420 and is embedded in the fresh air inlet, thereby blocking the fresh air inlet. At this time, under the positive pressure state of the outdoor environment, the air of the outdoor environment squeezes the valve block 410 to be embedded in the fresh air inlet, and the fresh air valve 400 will not be blown open by the air flowing from the outdoor environment. Of course, in other embodiments, the push-pull rod 420 can also be inserted into the housing 100 in the left and right directions, so that the user can push and pull the push-pull rod 420 from the side, so that the valve block 410 moves from the side to open or close the fresh air inlet.

[0054] The structure of the fresh air valve 400 is described in detail below.

[0055] See also Figures 8 to 10 As for the valve block 410 of the fresh air valve 400, the valve block 410 may be a flat plate structure or a block structure, specifically a block structure. The size of the valve block 410 is preferably adapted to the fresh air inlet, so that the valve block 410 can smoothly enter the fresh air inlet and fit in with the fresh air inlet to block the fresh air inlet.

[0056] In order to enhance the effect of the valve block 410 in blocking the fresh air inlet, the valve block 410 can also be set to be hollow, which is equivalent to increasing the deformation space of the valve block 410. When the valve block 410 enters the fresh air inlet, the valve block 410 is deformed and closely matches the inner wall of the fresh air inlet, thereby improving the sealing effect. On the other hand, the weight of the valve block 410 can also be reduced, and the difficulty of pushing and pulling the fresh air valve 400 can be reduced. In addition, in order to facilitate the manufacture of the valve block 410, the valve block 410 and the push-pull rod 420 can be optionally formed in one piece.

[0057] See also Figures 9 to 11, for the push-pull rod 420 of the fresh air valve 400, in order to facilitate the valve block 410 to open or block the fresh air inlet along with the push-pull rod 420 moving in the forward and backward directions, in this embodiment, the push-pull rod 420 includes a push-pull arm 421, a connecting arm 422 bent laterally from the rear end of the push-pull arm 421, and an extension arm 423 connected to the connecting arm 422 and extending forward, and the extension arm 423 is connected to the valve block 410. In other words, the rear end of the push-pull rod 420 is roughly designed in a hook shape, so that by pulling the push-pull rod 420 forward, the valve block 410 can be driven to move forward to block the fresh air inlet; by pushing the push-pull rod 420 backward, the valve block 410 can be driven to move backward to open the fresh air inlet.

[0058] See also Fig. 9 and Fig.10 To ensure that the push-pull rod 420 can smoothly move forward and backward, optionally, the fresh air valve 400 further includes a guide sleeve 430 fixedly mounted on the indoor air duct assembly 200, the guide sleeve 430 is sleeved on the push-pull arm 421, and the push-pull arm 421 can slide forward and backward relative to the guide sleeve 430. Specifically, the guide sleeve 430 is fixed on the indoor air duct assembly 200, and the push-pull arm 421 is slidably mounted on the guide sleeve 430 in the forward and backward direction, so that the push-pull arm 421 can slide forward and backward relative to the guide sleeve 430. During the movement of the push-pull rod 420, the guide sleeve 430 plays a role in orienting the push-pull rod 420 to prevent the push-pull rod 420 from deviating from the accurate moving direction.

[0059] See also Figures 9 to 11 Here, it is considered that the amount of fresh air required for the indoor environment is different in different situations. For example, the amount of fresh air required may be different due to factors such as the size of the room space and the cleanliness of the air quality in the room. In view of this, in order to achieve adjustable fresh air volume to meet the demand for fresh air volume in different situations, in this embodiment, the push-pull arm 421 is provided with a plurality of positioning slots 421a arranged at intervals in the front-to-back direction, and the guide sleeve 430 is provided with positioning teeth 431, and the positioning teeth 431 can be selectively engaged and fixed with any one of the positioning slots 421a.

[0060] Specifically, the positioning teeth 431 are fixed with the teeth of the positioning slots 421a at different positions, and the push-pull rod 420 can be positioned at different positions in the front-back direction, so that the size of the fresh air inlet can be adjusted, that is, the size of the fresh air volume can be adjusted. For example, in the process of pushing the push-pull rod 420 backward, when the positioning teeth 431 are engaged with the positioning slots 421a at the rear side, the valve block 410 is still relatively close to the fresh air inlet, and the fresh air inlet is partially blocked by the valve block 410, and the fresh air inlet is small, and the amount of fresh air that can pass through is small; continue to push the push-pull rod 420 backward until the positioning teeth 431 are engaged with the positioning slots 421a at the front side, the valve block 410 is far away from the fresh air inlet, and the fresh air inlet is large, and the amount of fresh air that can pass through is large.

[0061] Please continue reading Figures 9 to 11 It is also considered that in the process of closing the fresh air valve 400, the fresh air valve 400 may be excessively pulled out of the window air conditioner, causing damage to the fresh air valve 400. In this embodiment, to avoid this situation, the push-pull arm 421 is provided with a stopper protrusion 421b, and the guide sleeve 430 is provided with a stopper step 432 located in front of the stopper protrusion 421b, and the stopper step 432 is used to abut against the stopper protrusion 421b.

[0062] Specifically, the stopper 421b is located at the rear side of the positioning slot 421a, and correspondingly, the stopper step 432 is located at the rear side of the positioning tooth 431. When the push-pull rod 420 is pulled forward until the positioning tooth 431 engages with the positioning slot 421a at the rear side, the stopper step 432 and the stopper 421b are correspondingly abutted, thereby preventing the push-pull rod 420 from continuing to move forward, thereby limiting the fresh air valve 400 from being excessively pulled out of the window air conditioner.

[0063] See also Figure 8 , Fig. 9 and Fig.11 To facilitate the user to manually push and pull the fresh air valve 400, the fresh air valve 400 may further include a handle 440 connected to the front end of the push-pull rod 420. The handle 440 passes through the front panel 120. Specifically, the top of the front panel 120 is provided with an indoor air outlet and a display screen 123 located on one side of the inner air outlet 122, and the front panel 120 is provided with an installation opening 124 for the handle 440 to pass through between the indoor air outlet and the display screen 123. The handle 440 may be integrally formed with the push-pull rod 420; or, the handle 440 may be detachably connected to the push-pull rod 420.

[0064] See also Figures 9 to 11 If the handle 440 is detachably connected to the push-pull arm 421 , then during assembly, the push-pull rod 420 can be inserted into the housing 100 from back to front, and the handle 440 can be inserted from the installation opening 124 from front to back to be detachably connected to the push-pull rod 420 .

[0065] See also Fig.12 and Fig.12 If the handle 440 and the push-pull rod 420 are integrally formed, then during assembly, the push-pull rod 420 needs to be inserted into the housing 100 from back to front, and the handle 440 of the push-pull rod 420 extends forward from the front panel 120 for the user to hold.

[0066] See also Figures 9 to 11Based on the above embodiment, in order to reduce the interference of the internal structure of the window air conditioner on the installation of the push-pull rod 420, the handle 440 is detachably connected to the push-pull rod 420. There are many ways of detachable connection, and the handle 440 and the push-pull rod 420 are detachably connected through any one or more combinations of a clamping structure, a magnetic attraction structure, a screw connection structure, and a threaded structure.

[0067] In one embodiment, the handle 440 is connected to the push-pull rod 420 through a buckle structure. For example, the handle 440 includes a wristband 441 and a sleeve 442 connected to the wristband 441, and the inner wall of the sleeve 442 is provided with a pair of slots; the front end of the push-pull arm 421 is provided with a pair of elastic claws 421c, which are arranged in the sleeve 442 and correspondingly engage with the pair of slots. When installing the fresh air valve 400, the push-pull rod 420 is inserted into the housing 100 from the back to the front, and then the handle 440 is aligned with the front end of the push-pull arm 421 and inserted from the installation port 124, so that the pair of elastic claws 421c at the front end of the push-pull arm 421 are correspondingly inserted into the sleeve 442 on the handle 440, until the pair of elastic claws 421c are correspondingly engaged with the pair of slots in the sleeve 442, and the handle 440 and the push-pull rod 420 are connected as one body, and the installation of the fresh air valve 400 is completed.

[0068] In another embodiment, the handle 440 is connected to the push-pull rod 420 through a magnetic structure. For example, a first magnetic accessory (not shown) is provided at the rear end of the handle 440, and a second magnetic accessory (not shown) is provided at the front end of the push-pull rod 420. When the handle 440 is aligned with the front end of the push-pull arm 421 and inserted from the installation opening 124, the first magnetic accessory and the second magnetic accessory are correspondingly attracted.

[0069] In another embodiment, the handle 440 is connected to the push-pull rod 420 through a screw connection structure. For example, the sleeve of the handle 440 is penetrated with a through hole (not shown), and the front end of the push-pull rod 420 is penetrated with a connecting hole (not shown) corresponding to the through hole, and a bolt is passed through the through hole and the connecting hole to fix the handle 440 and the push-pull rod 420 together.

[0070] In another embodiment, the handle 440 is connected to the push-pull rod 420 through a threaded structure. For example, the inner wall of the sleeve of the handle 440 is provided with an internal thread, and the outer surface of the front end of the push-pull rod 420 is provided with an external thread. When the handle 440 is aligned with the front end of the push-pull arm 421 and inserted from the installation opening 124, the sleeve of the handle 440 is threadedly connected to the front end of the push-pull rod 420.

[0071] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A window air conditioner, It is characterized in that The window air conditioner comprises: A housing, wherein the housing is provided with an indoor air outlet; An indoor air duct assembly is installed in the housing, wherein the indoor air duct assembly is formed with an indoor air duct connected to the indoor air outlet, and a fresh air duct connecting the indoor air duct and the outdoor environment, wherein the fresh air duct is arranged in a Z shape, and comprises a front fresh air section, a middle fresh air section and a rear fresh air section; wherein, The front fresh air section is connected to the indoor air duct, the rear fresh air section is higher than the front fresh air section and is connected to the outdoor environment, the middle fresh air section extends in the up and down direction and connects the front fresh air section and the rear fresh air section, and the fresh air duct has a fresh air inlet; The fresh air valve is inserted into the shell, and the fresh air valve can be moved to open or block the fresh air inlet.

2. The window air conditioner according to claim 1, It is characterized in that The fresh air valve comprises a valve block and a push-pull rod, wherein the push-pull rod is inserted into the shell along the front-rear direction; the valve block is connected to the push-pull rod to open or block the fresh air inlet as the push-pull rod moves.

3. The window air conditioner according to claim 2, It is characterized in that The push-pull rod comprises a push-pull arm, a connecting arm bent laterally from the rear end of the push-pull arm, and an extending arm connected to the connecting arm and extending forward, wherein the extending arm is connected to the valve block.

4. The window type air conditioner according to claim 3, It is characterized in that The fresh air valve also includes a guide sleeve fixedly mounted on the indoor air duct assembly, the guide sleeve is sleeved on the push-pull arm, and the push-pull arm is slidable in the front-rear direction relative to the guide sleeve.

5. The window air conditioner according to claim 4, It is characterized in that The push-pull arm is provided with a plurality of positioning slots spaced apart in the front-rear direction, and the guide sleeve is provided with positioning teeth, which can be selectively engaged and fixed with any one of the positioning slots.

6. The window air conditioner according to claim 4, It is characterized in that A stopper protrusion is convexly arranged at the rear of the push-pull arm, and a stopper step is arranged at the guide sleeve. The stopper step is located at the front side of the stopper protrusion so as to abut against the stopper protrusion.

7. The window type air conditioner according to claim 2, It is characterized in that The fresh air valve also includes a handle connected to the front end of the push-pull rod. The handle and the push-pull rod are integrally formed, or the handle and the push-pull rod are detachably connected.

8. The window type air conditioner according to claim 7, It is characterized in that The handle and the push-pull rod are detachably connected through any one or more combinations of a clamping structure, a magnetic attraction structure, a screw connection structure, and a threaded structure.

9. The window air conditioner according to claim 8, It is characterized in that The handle includes a wristband and a sleeve connected to the wristband, and the inner wall of the sleeve is provided with a pair of slots; the front end of the push-pull rod is provided with a pair of elastic claws, the pair of elastic claws are arranged in the sleeve and correspondingly engaged with the pair of slots.

10. The window type air conditioner according to claim 7, It is characterized in that The top of the front panel is provided with the indoor air outlet and a display screen located on one side of the indoor air outlet, and the front panel is provided with an installation opening for the handle to pass through between the indoor air outlet and the display screen.

11. The window air conditioner according to any one of claims 2 to 10, It is characterized in that The valve block and the push-pull rod are integrally formed.

12. The window air conditioner according to any one of claims 2 to 10, It is characterized in that The valve block is hollow.

13. The window air conditioner according to any one of claims 1 to 10, It is characterized in that The window air conditioner includes a centrifugal wind wheel, an axial flow wind wheel, an indoor heat exchanger, an outdoor heat exchanger, and an outdoor air duct assembly installed in a shell; wherein the indoor heat exchanger and the centrifugal wind wheel are located in the indoor air duct; the outdoor air duct assembly is provided with an outdoor air duct, and the outdoor heat exchanger and the axial flow wind wheel are located in the outdoor air duct.

14. The window air conditioner according to claim 13, It is characterized in that The shell includes a chassis, and a shell cover and a front panel installed on the chassis. The shell cover is located at the rear side of the front panel and spliced ​​with the front panel. The centrifugal wind wheel, axial flow wind wheel, indoor heat exchanger, outdoor heat exchanger, and outdoor air duct assembly are installed on the chassis.

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