CN113091138A

CN113091138A - Vertical air conditioner and processing system of air duct structure of vertical air conditioner

Info

Publication number: CN113091138A
Application number: CN202110390954.8A
Authority: CN
Inventors: 陈吉存; 李进超; 成汝振; 郝本华
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-07-09
Anticipated expiration: 2041-04-12
Also published as: CN113091138B; WO2022217893A1

Abstract

The invention belongs to the technical field of air conditioners, and particularly relates to a vertical air conditioner and a processing system of an air duct structure of the vertical air conditioner. The invention aims to solve the problem that the air duct structure of the existing vertical air conditioner needs to redesign a mold after an air purification device is configured. The vertical air conditioner comprises an air duct structure and a rear shell assembly, wherein the rear shell assembly comprises a rear shell and an air pretreatment device, the air duct structure comprises a body, a first connecting part and a second connecting part, the body comprises an upper end part and a lower end part, at least part of the structure of the first connecting part is positioned between the upper end part and the rear shell, the first connecting part and the upper end part are of an integral structure and are fixedly connected with the rear shell, or the first connecting part is respectively and fixedly connected with the upper end part and the rear shell; at least part of the second connecting part is positioned between the lower end part and the rear shell, the second connecting part and the lower end part are of an integral structure and are fixedly connected with the rear shell, or the second connecting part is respectively fixedly connected with the lower end part and the rear shell. The vertical air conditioner can reduce the production cost.

Description

Vertical air conditioner and processing system of air duct structure of vertical air conditioner

Technical Field

The invention belongs to the technical field of air conditioners, and particularly relates to a vertical air conditioner and a processing system of an air duct structure of the vertical air conditioner.

Background

The vertical air conditioner is favored by more and more consumers due to the advantages of high power, strong wind power, high comfort and the like.

With the improvement of living standards of people, various requirements are put forward on functions of air conditioners, the floor air conditioners are subject to rapid updating, and the same type of air conditioners can be in different configurations, for example, devices for preprocessing air entering the air conditioners, such as an air purification device and a dehumidification device, are added at an air inlet, the addition of the devices can cause the change of the appearance of the floor air conditioners, namely the change of the shape of an air conditioner shell, and the air duct structure inside the air conditioners needs to be changed adaptively for the smooth connection with the air conditioner shell.

The air duct structure is usually formed by injection molding, and different air duct structures need to be respectively provided with a mold, so that the development and production cost is greatly increased.

Disclosure of Invention

In order to solve the above problems in the prior art, that is, to solve the problem that the prior floor air conditioner needs to redesign the mold after configuring the air pre-treatment device, and the development and production costs are increased, on one hand, the invention provides a floor air conditioner, which comprises an air duct structure and a rear shell assembly, wherein the rear shell assembly comprises a rear shell and an air pre-treatment device, an air inlet is arranged on the rear shell, the air pre-treatment device is positioned at the air inlet and at the inner side of the rear shell, the air duct structure comprises a body, a first connecting part and a second connecting part, the body comprises an upper end part and a lower end part, wherein,

at least part of the first connecting part is positioned between the upper end part and the rear shell, the first connecting part and the upper end part are of an integral structure and are fixedly connected with the rear shell, or the first connecting part is respectively fixedly connected with the upper end part and the rear shell;

at least part of the second connecting part is located between the lower end part and the rear shell, the second connecting part and the lower end part are of an integral structure and are fixedly connected with the rear shell, or the second connecting part is respectively fixedly connected with the lower end part and the rear shell.

In the preferable technical scheme of the vertical air conditioner, the upper end part comprises an upper end plate, a connecting rib connected with the top of the upper end plate and a first supporting block connected with the top of the connecting rib,

the first connecting part comprises a second supporting block and a second mounting column connected with the bottom of the second supporting block, the second mounting column is fixedly connected with the rear shell,

when the first connecting part is respectively and fixedly connected with the upper end part and the rear shell, the second supporting block is abutted against the first supporting block,

when the first connecting part and the upper end part are of an integral structure, at least part of the edge of the first supporting block extends to form the second supporting block.

In the above preferred technical solution of the floor air conditioner, when the first connecting portion and the upper end portion are of an integral structure, the upper end portion further includes a first mounting column connected to the bottom of the first supporting block, and at least a part of an edge of the first mounting column extends to form the second mounting column; and/or the presence of a gas in the gas,

when the first connecting part and the upper end part are of an integral structure, the upper end part further comprises a first reinforcing rib connected with the bottom of the first connecting block, and the first reinforcing rib is formed by extending at least part of the edge of the connecting rib.

In the preferred technical scheme of above-mentioned vertical air conditioner, vertical air conditioner still includes chassis and rear column, the rear column support in lower tip with between the chassis, be provided with third mounting column and first mounting structure on the lower tip, the third mounting column with second connecting portion fixed connection, first mounting structure can with the rear column cooperation installation, be provided with second mounting structure on the second connecting portion, the upper end of rear column is passed through the second mounting structure is fixed in the second connecting portion, the lower extreme of rear column with the lower extreme fixed connection of backshell.

In the preferable technical scheme of the vertical air conditioner, the lower end part comprises an edge arc surface, the second connecting part comprises an arc-shaped strip-shaped structure matched with the edge arc surface, one of the edge arc surface and the arc-shaped strip-shaped structure is provided with a first positioning groove, and the other of the edge arc surface and the arc-shaped strip-shaped structure is provided with a first positioning bulge matched with the first positioning groove.

In the preferable technical solution of the above vertical air conditioner, the second connecting portion further includes a plate-shaped structure, the arc-shaped strip-shaped structure is disposed on the inner side of the plate-shaped structure, the second mounting structure is disposed on the plate-shaped structure, and the plate-shaped structure is further provided with a first connecting hole corresponding to the third mounting post and a fourth mounting post fixedly connected to the rear housing.

In the preferable technical scheme of the vertical air conditioner, the rear upright post is provided with a positioning hole and a second connecting hole, and the second mounting structure comprises a second positioning bulge matched with the positioning hole and a fifth mounting post matched with the second connecting hole;

the first mounting structure comprises a third positioning protrusion matched with the positioning hole and a sixth mounting column matched with the second connecting hole, a second reinforcing rib is arranged on the side wall of the third positioning protrusion and the sixth mounting column, a second positioning groove is formed in the second connecting portion, and at least part of the second reinforcing rib is matched with the second positioning groove.

In the preferable technical scheme of the vertical air conditioner, the rear shell is provided with a groove structure, the groove structure is formed by bending or bending the rear shell towards the rear side, at least part of the structure of the air pretreatment device is accommodated in the groove structure,

the groove structure is provided with a fourth connecting hole used for being connected with the first connecting portion, and/or the groove structure is provided with a fifth connecting hole used for being connected with the second connecting portion.

In a preferred embodiment of the above vertical air conditioner, the rear housing includes an upper inlet grid and a lower decorative plate, which are separately disposed, and the lower end of the upper inlet grid and the upper end of the lower decorative plate are both fixedly connected to the second connecting portion.

In another aspect, the present invention provides a machining system for a vertical air conditioner air duct structure, the machining system is used for machining different air duct structures, the machining system includes a first die, the first die includes a die body, a first insert, a second insert, a third insert and a fourth insert, the die body includes a first body portion for forming an upper end portion of the air duct structure and a second body portion for forming a lower end portion of the air duct structure, the first insert and the second insert are alternatively matched with the first body portion, the third insert and the fourth insert are alternatively matched with the second body portion, the air duct structure formed by the die body in cooperation with the first insert and the third insert is different from the air duct structure formed by the die body in cooperation with the second insert and the fourth insert, wherein the second insert is used for forming a first connecting portion, the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, the fourth insert is used for forming a second connecting part, and the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell; alternatively, the first and second electrodes may be,

the processing system comprises a first die and a third die, wherein the first die comprises a die body, a first insert and a second insert, the die body comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the first insert and the second insert are alternatively matched with the first body part, the air duct structure formed by matching the die body with the first insert is different from the air duct structure formed by the die body, the second insert and the third die, the die body and the second insert are matched to form a part of the air duct structure, the second insert is used for forming a first connecting part, the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, and the third die is used for forming a second connecting part of the air duct structure, the second connecting part is used for connecting the lower end part of the air duct structure with the rear shell of the air conditioner; alternatively, the first and second electrodes may be,

the processing system comprises a first die and a second die, the first die comprises a die body, a third insert and a fourth insert, wherein the die body comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the third insert and the fourth insert are alternatively matched with the second body part, the air duct structure formed by matching the die body and the third insert is different from the air duct structure formed by the die body, the fourth insert and the second die, wherein the die body and the fourth insert are matched to form a part of the air duct structure, the fourth insert is used for forming a second connecting part, the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell, and the second die is used for forming a first connecting part of the air duct structure, the first connecting part is used for connecting the upper end part of the air duct structure with the rear shell of the air conditioner; alternatively, the first and second electrodes may be,

the processing system comprises a first die, a second die and a third die, wherein the first die comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the first die is used for forming a first air duct structure, the second die is used for forming a first connecting part of the second air duct structure, the third die is used for forming a second connecting part of the second air duct structure, and the first air duct structure, the first connecting part and the second connecting part form the second air duct structure, wherein the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, and the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell.

It can be understood by those skilled in the art that in the vertical air conditioner provided with the air pretreatment device at the inner side of the rear shell according to the embodiment of the present invention, the first connection portion and the second connection portion are added on the basis of the original air duct structure, i.e., the body, the upper portion of the body and the upper portion of the rear shell are connected by the first connection portion, the lower portion of the body and the lower portion of the rear shell are connected by the second connection portion, and the first connection portion and the second connection portion are used for compensating the size increase in the front-rear direction caused by the addition of the air pretreatment device.

In the processing system of the air duct structure of the vertical air conditioner, different air duct structures can be processed and produced by replacing the insert and/or adding the matching mode of the processing connecting part of the die and the original air duct structure on the basis of the processing die of the original air duct structure, so that the flexibility and the universality of the processing system are greatly improved, and the development cost and the production cost of products are further reduced.

Drawings

Preferred embodiments of the floor air conditioner of the present invention will be described below with reference to the accompanying drawings. The attached drawings are as follows:

fig. 1 is an exploded view of an integral frame and a rear case of a vertical air conditioner in the related art;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is an exploded view of the integrated frame and rear case of the stand type air conditioner according to the embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at C;

FIG. 6 is an enlarged view of a portion of FIG. 4 at D;

fig. 7 is an exploded view of an integral framework in the vertical air conditioner of the embodiment of the present invention;

fig. 8 is a partial enlarged view at E in fig. 7;

fig. 9 is an exploded view of an air pre-processing device in a stand type air conditioner according to an embodiment of the present invention;

fig. 10 is a partial view of a position where a lower end portion of the stand air conditioner according to the embodiment of the present invention is engaged with the second connecting portion;

fig. 11 is a partial view of the lower end portion of the upright air conditioner of the embodiment of the present invention at a position where the first mounting structure is provided;

fig. 12 is a schematic view of the inner side structure of the second connection portion in the upright air conditioner according to the embodiment of the present invention.

In the drawings:

10. an air duct structure;

11. a first connection portion; 111. a second support block; 112. a second mounting post; 113. a hollowed structure; 114. a first reinforcing rib; 12. a second connecting portion; 121. an arc-shaped strip structure; 1211. a first positioning projection; 1212. a seventh mounting post; 122. a plate-like structure; 1221. a first connection hole; 1222. a fourth mounting post; 1223. a second positioning projection; 1224. a fifth mounting post; 1225. a third reinforcing rib; 1226. reinforcing ribs; 1227. a first annular projection; 1228. a second positioning groove; 1229. a second annular projection; 13. a body; 131. an upper end portion; 1311. an upper end plate; 1312. connecting ribs; 1313. a first support block; 1314. a first mounting post; 132. a lower end portion; 1321. a third mounting post; 1322. an edge cambered surface; 1323. a first positioning groove; 1324. a strip-shaped bulge; 1325. a third connection hole; 1326. a third positioning projection; 1327. a sixth mounting post; 1328. a second reinforcing rib;

20. a rear housing assembly;

21. a rear housing; 211. an upper air inlet grid plate; 2111. a grid structure; 2112. a groove structure; 2113. a fourth connection hole; 2114. a fifth connecting hole; 212. a lower decorative panel; 22. an air pre-treatment device; 221. an air inlet grid; 222. a dust filter screen; 223. an electrical purification module;

30. a chassis;

41. a left upright post; 42. a right upright post; 43. a rear pillar; 431. positioning holes; 432. and a second connection hole.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present specification, the terms "inside" and "outside" refer to the inside of the vertical air conditioner on the side close to the central axis of the vertical air conditioner and the outside of the side away from the central axis of the vertical air conditioner. The terms of orientation such as "front", "back", "left" and "right" and the like in the text refer to the orientation of the vertical air conditioner when the user faces the front surface of the vertical air conditioner, the term of orientation such as "front", "back", "left" and "right" in the text refers to the orientation of the vertical air conditioner when the vertical air conditioner is in a normal working state, the term of orientation such as "front", "back", "left" and "left" when the side of the vertical air conditioner is away from the user, and the term of orientation such as "upper", "lower", "top" and "bottom" when the side of the vertical air conditioner is close. The foregoing directional terms are used for convenience of description only and do not constitute any limitation on the structure.

The vertical air conditioner comprises a shell, an air duct structure, an impeller, a heat exchanger, a wind sweeping blade, a support upright post and the like, wherein the air duct structure, the impeller, the heat exchanger, the wind sweeping blade, the support upright post and the like are arranged in the shell, and the shell is usually arranged into two halves, for example, a front shell and a rear shell. The air duct structure is an important component of the vertical air conditioner, is not only used for providing an air duct for air flow in the vertical air conditioner, but also used for installing components such as a transmission mechanism of a wind sweeping blade, an impeller, a heat exchanger and the like, and the shell is fixedly connected with the air duct structure, so that the air duct structure is relatively complex, and the mold design and the production cost are also high. Referring to fig. 1 to 3 in the related art, fig. 1 is an exploded view of an overall frame and a rear case 21 of a floor air conditioner in the related art, and fig. 2 and 3 are respectively schematic structural views of a connection portion for connecting with the rear case 21 in a duct structure 10 in fig. 1. As shown in fig. 1, the air duct structure 10 includes an upper end portion 131 and a lower end portion 132, as shown in fig. 2, a first mounting post 1314 is disposed on the upper end portion 131, and the upper end portion 131 is fixedly connected to the rear housing 21 through the first mounting post 1314 and a threaded connection. As shown in fig. 3, the lower end 132 is provided with a third mounting column 1321, and the lower end 132 is fixedly connected to the rear housing 21 through the third mounting column 1321 and a threaded connector.

In order to carry out the pretreatment such as dehumidification, purification and the like on the air entering the vertical air conditioner so as to further optimize the user experience and improve the performance of the vertical air conditioner, an air pretreatment device can be arranged at an air inlet of the vertical air conditioner, the air pretreatment device is arranged on the inner side of a rear shell of the vertical air conditioner and forms a rear shell assembly with the rear shell, and the rear shell assembly is integrally fixed with the air duct structure. Due to the introduction of the air pretreatment device, the shape of the rear shell can be changed on the whole, in order to accommodate the air pretreatment device, the size of the rear shell in the front-back direction can be increased, if the mounting structure on the rear shell is prolonged to enable the rear shell to be matched with the original air duct structure, the structural reliability is difficult to guarantee, and the rear shell is usually fixed by screws, so that the screws are too long to be assembled; if the air duct structure is changed to adapt to the shape of the rear shell, a mold of the air duct structure needs to be redesigned, which brings about a great increase in cost and a reduction in development efficiency.

Based on this, this application embodiment provides a floor air conditioner structure, and it has air conditioner preprocessing device, through the design to the wind channel structure, increases connecting portion on original wind channel structure's basis, utilizes connecting portion to compensate the size that increases between wind channel structure and the backshell, makes it can borrow original wind channel structure mould to reduce development and manufacturing cost, raise the efficiency.

Referring to fig. 4 to 8, fig. 4 is an exploded view of an integral frame and a rear case of a vertical air conditioner according to an embodiment of the present invention, fig. 5 is a partial structural view of an upper end 131, fig. 6 is a partial structural view of a lower end 132, fig. 7 is an exploded view of the integral frame, and fig. 8 is a partial structural view of the lower end 132. The floor air conditioner comprises an air duct structure 10 and a rear shell assembly 20, wherein the rear shell assembly 20 comprises a rear shell 21 and an air pre-treatment device 22 arranged inside the rear shell 21, an air inlet is arranged on the rear shell 21, exemplarily, as shown in fig. 4, a grille structure 2111 is arranged on the rear shell 21, and grille holes of the grille structure 2111 constitute the air inlet of the floor air conditioner. The air pre-treatment device 22 is disposed at the air inlet, so as to pre-treat the air entering from the air inlet, and the pre-treated air enters the air path formed by the air path structure 10 again, exchanges heat with the heat exchanger, and is blown out. It will be appreciated that the air inlet may be disposed at the air inlet such that the air inlet is partially covered by the air pre-treatment device 22, such that the air inlet is completely covered by the air pre-treatment device 22 and the edge of the air inlet is flush with the edge of the air inlet, or such that the air inlet is completely covered by the air inlet and the edge of the air pre-treatment device 22 extends beyond the edge of the air inlet.

The air duct structure 10 includes a body 13, the body 13 is a main body of the air duct structure, and the body 13 can be understood as the same or substantially the same air duct structure as the original machine (machine without air pretreatment device). The body 13 includes an upper end 131 and a lower end 132, the upper end 131 can be used for mounting a wind sweeping blade and a transmission mechanism thereof, and the lower end 132 can be used for mounting a heat exchanger, an impeller, and the like. The body 13 further includes a structure between the upper end 131 and the lower end 132 for defining an air path, such as a volute and a volute tongue, and the impeller rotates to form a negative pressure in the volute and drive an external air flow into the volute and then the volute to enter the heat exchanger for heat exchange.

The air duct structure 10 further includes a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 is used for connecting the upper end portion 131 with the rear casing 21, the second connecting portion 12 is used for connecting the lower end portion 132 with the rear casing 21, wherein at least a part of the first connecting portion 11 is located between the upper end portion 131 and the rear casing 21, and at least a part of the second connecting portion 12 is located between the lower end portion 132 and the rear casing 21, so that the first connecting portion 11 and the second connecting portion 12 compensate for the increase in the front-rear direction dimension caused by the addition of the air pretreatment device 22, it can be understood that the distance between the upper end portion 131 and the rear casing 21 may be the region directly facing between the upper end portion 131 and the rear casing 21, or the upper side and the lower side of the region directly facing each other, as long as the distance between the upper end portion 131 and the rear casing 21 can be compensated by the first connecting portion 11, similarly, between the lower end portion 132 and the rear casing 21, the region between the lower end 132 and the rear case 32 may be directly opposed, or the upper and lower sides of the directly opposed region may be, as long as the front-rear distance between the lower end 132 and the rear case 21 can be compensated for by the second connection portion 12.

As can be seen from comparing fig. 2 and 5 with fig. 3 and 6, in the embodiment of the present invention, by providing the first connecting portion 11 and the second connecting portion 12, only a mold of an original air duct structure needs to be simply modified and/or the connecting portions need to be separately processed. Specifically, the first connecting portion 11 may be formed as an integral structure with the upper end portion 131 and fixedly connected to the rear housing 21, at this time, the first connecting portion 11 and the upper end portion 131 are integrally formed, and the integral forming of the first connecting portion 11 and the upper end portion 131 may be realized by replacing an insert at a position where the first connecting portion 11 needs to be disposed in the original air duct structure mold, or the first connecting portion 11 is fixedly connected to the upper end portion 131 and the rear housing 21, respectively, that is, the first connecting portion 11 and the upper end portion 131 are separate structures, and are fixedly connected to the upper end portion 131 and the rear housing 21, at this time, only a mold needs to be separately disposed on the first connecting portion 11, so that the first connecting portion 11 is respectively adapted to the upper end portion 131 and the rear housing 21, because the first connecting portion 11 has a small size and a simple structure compared to the whole air duct structure, the design and production cost of the mold is low.

Similarly, the second connecting portion 12 may be formed as an integral structure with the lower end portion 132 and fixedly connected to the rear casing 21, at this time, the second connecting portion 12 and the lower end portion 132 are integrally formed, and the integral forming of the second connecting portion 12 and the lower end portion 132 may be achieved by replacing an insert at a position of the original air duct structure mold where the second connecting portion 12 needs to be disposed, or the second connecting portion 12 is fixedly connected to the lower end portion 132 and the rear casing 21, respectively, that is, the second connecting portion 12 and the lower end portion 132 are separate structures, and are fixedly connected to the lower end portion 132 and the rear casing 21, at this time, only a mold needs to be separately disposed on the second connecting portion 12 to be respectively matched with the lower end portion 132 and the rear casing 21, and since the second connecting portion 12 has a small size and a simple structure relative to the whole air duct structure, the design and the production cost of the mold are low.

In conclusion, the air duct is designed into the body 13, the first connecting portion 11 and the second connecting portion 12, redesign and mold processing of the air duct structure are not needed, the universality of a product production platform is improved, the product development efficiency is greatly improved, and the development and production cost is reduced.

The air pretreatment device 22 may be any device for pretreating the air entering the floor air conditioner, and may be used for pretreatment such as purification and dehumidification of the air. Illustratively, the air pre-processing device 22 is an air purifying device, as shown in fig. 9, the air purifying device 22 sequentially includes an air inlet grid 221, a dust filtering net 222 and an electric purifying module 223 from back to front, and the air purifying device 22 can pre-purify air, so as to ensure cleanliness of air entering the vertical air conditioner and air blown out after heat exchange of the vertical air conditioner, which is beneficial to prolonging service life of each device inside the vertical air conditioner and optimizing use experience of users.

Further, as shown in fig. 4, the vertical air conditioner further includes a base plate 30 and a plurality of columns, a space between the base plate 30 and the lower end portion 132 may be used for a refrigerant pipe, in other embodiments, the vertical air conditioner may also be used for installing other structures such as a water washing device, the plurality of columns are used for supporting an overall structure of the vertical air conditioner, and include a left column 41 and a right column 42, the left column 41 and the right column 42 are long columns extending from the upper end portion to the base plate 30, two ends of the rear shell 21 in the circumferential direction may be connected to the left column 41 and the right column 42 respectively, for example, may be connected to the left column 41 and the right column 42 by means of clamping, hooking, and the like, so as to initially position the rear shell 21, and then the first connecting portion 11 and the second connecting portion 12 fixedly connect the rear shell 21 and the body. Since the air preprocessing device 22 is disposed at the rear, the dimension of the vertical air conditioner in the left-right direction is not affected, and therefore, the dimension of the vertical air conditioner housing in the left-right direction is not changed, and the structure of the left and right sides of the air duct structure and the structures of the left and

right columns

41 and 42 of the original machine type (machine type without the air preprocessing device) can be continuously used.

The first connecting portion 11 may be located entirely between the upper end portion 131 and the rear case 21, or may be located partially between the upper end portion 131 and the rear case 21, and the other portion overlaps with the upper end portion 131 and/or the rear case 21 in the front-rear direction, for example, a portion of the first connecting portion 11 is located between the upper end portion 131 and the rear case 21, and the other portion is located above the upper end portion 131. Similarly, the second connection portion 12 may be entirely located between the lower end portion 132 and the rear case 21, or may be partially located between the lower end portion 132 and the rear case 21, and the other portion may overlap with the lower end portion 132 and/or the rear case 21 in the front-rear direction.

As mentioned above, the first connecting portion 11 and the upper end portion 131 may be an integral structure or a separate structure, and in a preferred embodiment, as shown in fig. 5, the first connecting portion 11 is only used for connecting the upper end portion 131 and the rear shell 21, and the insert is simple in design and convenient to replace, so that in the preferred embodiment, the first connecting portion 11 and the upper end portion 131 are an integral structure which is formed by extending the edge of the upper end portion 131 towards the rear shell 21.

Of course, it is understood that the first connecting portion 11 may be a separate structure from the upper end portion 131, especially when the first connecting portion 11 is used for mounting other structures and has a complicated structure, in this case, the first connecting portion 11 is formed by a separate mold, and one side of the first connecting portion is connected to the upper end portion 131 and the other side is connected to the rear case 21. In this embodiment, in order to further simplify the structure, the structure of the upper end portion 131 for connecting with the rear case 21 can be utilized to cooperate with the first connecting portion 11, so as to realize the connection of the first connecting portion 11 and the upper end portion 131.

The first connecting portion 11 may be any structure capable of connecting the upper end portion 131 and the rear case 21, and may be, for example, a block structure, and a connecting hole for connecting with the rear case 21 is provided in the block structure. For better structural adaptation with the upper end 131, as shown in fig. 5, the upper end 131 includes an upper end plate 1311, a connecting rib 1312 connected to the top of the upper end plate 1311, and a first supporting block 1313 connected to the top of the connecting rib 1312, and the first connecting portion 11 includes a second supporting block 111 and a second mounting column 112 connected to the bottom of the second supporting block 111, and the second mounting column 112 is fixedly connected to the rear case 21, for example, connecting holes are provided on the second mounting column 112 and corresponding positions of the rear case 21, so that the second mounting column 112 is fixedly connected to the rear case 21 by screws. It should be understood that the first support block 1313 and the second support block 111 are only substantially block-shaped structures, and may be solid structures or hollow or partially hollowed structures, and in consideration of shrinkage of the injection-molded part after cooling, in order to ensure the precision of the machined structure, the first support block 1313 and the second support block 111 are "stolen with glue" on each suitable surface, that is, partially hollowed on each suitable surface, for example, in the embodiment shown in fig. 5, the upper surface of the second support block 111 is provided with hollowed structures 113, and in order to ensure the overall structural strength of the second support block 111, the hollowed structures 113 are provided at intervals.

In the embodiment that the first connection portion 11 and the upper end portion 131 are separate structures, that is, the first connection portion 11, the upper end portion 131 and the rear housing 21 are all fixedly connected, the second support block 111 abuts against the first support block 1313, so that the first connection portion 11 is supported well by the first support block 1313 of the upper end portion 131, and the connection reliability of the upper end portion 131 and the rear housing 21 is ensured.

In the embodiment that the first connecting portion 11 and the upper end portion 131 are of an integral structure, the second supporting block 111 is formed by extending at least part of the edge of the first supporting block 1313, so that the second supporting block 111 is formed by extending the first supporting block 1313 of the upper end portion 131, which facilitates the design of the insert and improves the development efficiency. On this basis, in order to improve the structural reliability of the first connection portion 11, it is further preferable that the first connection portion 11 further includes a first reinforcing rib 114 connected to the bottom portion of the second support block 111, and the first reinforcing rib 114 is formed by extending at least a part of the edge of the connecting rib 1312, so that the design of the insert is also facilitated by forming the first reinforcing rib 114 by extending the connecting rib 1312 at the upper end portion. Similarly, the upper end 131 further includes a first mounting post 1314 connected to the bottom of the first supporting block 1313, and as shown in fig. 2, in the original model (model without air pre-treating device), the first mounting post 1314 is used to fixedly connect with the rear case 21, while in the stand type air conditioner of this embodiment, at least a part of the edge of the first mounting post 1314 is extended to form the second mounting post 112.

As mentioned above, the second connecting portion 12 and the lower end portion 132 may be an integral structure or a separate structure, in a specific embodiment, as shown in fig. 4, the plurality of columns of the vertical air conditioner further includes a rear column 43, the rear column 43 is supported between the lower end portion 132 and the chassis 30, the lower end of the rear column 43 is further fixedly connected with the rear shell 21, referring to fig. 8, the lower end portion 132 is provided with a first mounting structure capable of being mounted in cooperation with the rear column 43, where the first mounting structure is a structure for mounting the rear column 43 on an original model (model without an air pre-treatment device), since the lower end of the rear column 43 is further fixedly connected with the rear shell 21, the rear column 43 is also required to move backwards correspondingly, and accordingly, the mounting structure of the rear column 43 is also required to move backwards, in the vertical air conditioner of the present application, the second connecting portion 12 is further required to be provided with a second mounting structure for fixedly connecting with the rear column 43, in this way, the structure of the second connecting portion 12 is relatively complicated, and therefore, in a preferred embodiment, the second connecting portion 12 and the lower end portion 132 are provided as separate structures, as shown in fig. 8, a third mounting post 1321 is disposed on the lower end portion 132, the third mounting post 1321 is fixedly connected to the second connecting portion 12, for example, fig. 10 is a partial view of a position where the lower end portion is engaged with the second connecting portion in the stand type air conditioner according to the embodiment of the present invention, fig. 12 is a schematic view showing an inner side structure of the second connection portion in the stand type air conditioner according to the embodiment of the present invention, as shown in fig. 10 and 12, the first connection hole 1221 is provided at a corresponding position on the second connection portion 12, and thus, when processing the vertical air conditioner of this application, need not to carry out the design of complicated insert, also need not to carry out the operation of complicated dismouting insert on the mould of former wind channel structure, only need design the mould of second connecting portion 12 alone to improve the development and the production efficiency of product.

In the above-mentioned embodiment in which the second connecting portion 12 and the lower end portion 132 are provided as separate structures, in order to simplify the structure, the connection with the second connecting portion 12 can be realized by using the structure of the lower end portion 132 originally used for connecting the rear case 21, for example, in the embodiment shown in fig. 8, the third mounting column 1321 of the lower end portion 132 is the structure of the original model used for connecting the rear case 21.

Since the second connecting portion 12 has more structures and is more complicated to assemble with other structures, in order to better position the second connecting portion 12, positioning structures are disposed on the second connecting portion 12 and the lower end portion 132, as shown in fig. 8 and 11, fig. 11 is a partial view of the lower end portion of the vertical air conditioner according to the embodiment of the present invention at a position where the first mounting structure is disposed, since the lower end portion 132 itself includes an edge arc 1322, the edge arc 1322 and the second connecting portion 12 can be positioned in a matching manner, specifically, the edge arc 1322 is disposed with a first positioning groove 1323, the second connecting portion 12 includes an arc-shaped bar structure 121 adapted to the edge arc 1322, as shown in fig. 12, a first positioning protrusion 1211 engaged with the first positioning groove 1323 is disposed inside the arc-shaped bar structure 121, and thus, the edge arc 1322 and the inner side wall surface of the arc-shaped bar structure 121 are engaged with each other positioning structure to achieve radial positioning of the second connecting portion 12 The positioning of the second connecting portion 12 in the vertical direction and the circumferential direction is achieved by the cooperation of the first positioning groove 1323 and the first positioning protrusion 1211. Of course, it is understood that the positions of the first positioning slot 1323 and the first positioning projection 1211 can be interchanged, that is, the first positioning slot is disposed on the arc-shaped bar-shaped structure 121, and the first positioning projection is disposed on the edge arc 1322.

In order to avoid cooling shrinkage deformation, the top of the arc-shaped strip-shaped structure 121 is provided with a hollow structure, so that the wall thickness of each part of the arc-shaped strip-shaped structure 121 is uniform, the structure is not deformed after cooling, the arc-shaped strip-shaped structure 121 can be well matched with the edge arc surface 1322, and the positioning accuracy of the second connecting part 12 is ensured.

The first positioning protrusion 1211 and the first positioning groove 1323 may have any structures that are adapted to each other and can achieve the above positioning function. In a preferred embodiment, as shown in fig. 11, a plurality of strip-shaped protrusions 1324 are disposed on an upper sidewall of the first positioning slot 1323, the extending direction of the strip-shaped protrusions 1324 is the same as the mounting direction of the second connecting portion 12, and the strip-shaped protrusions 1324 abut against the top surface of the first positioning protrusion 1211, so that the contact area between the first positioning protrusion 1211 and the first positioning slot 1323 is reduced, and the positioning accuracy is improved. Of course, it is understood that the strip-shaped protrusion 1324 may be provided on the other side wall of the first seating groove 1323. In order to facilitate the insertion of the first positioning protrusion 1211 into the first positioning slot 1323, the left and right sidewalls of the first positioning slot 1323 are gradually closed to each other from the outside to the inside, and accordingly, the left and right sidewalls of the first positioning protrusion 1211 are also gradually closed to each other from the outside to the inside in a fitting manner, thereby guiding the first positioning protrusion 1211 to be inserted into the first positioning slot 1323.

In order to avoid the cooling shrinkage deformation, the middle of the first positioning protrusion 1211 is "stolen with glue", that is, the inner side surface of the first positioning protrusion 1211 is provided with a hollow structure.

In order to further improve the connection reliability between the lower end portion 132 and the second connection portion 12, it is preferable that, as shown in fig. 11, a third connection hole 1325 is provided on a lower side surface of the first positioning groove 1323, a seventh mounting post 1212 is provided in a hollow structure of the first positioning protrusion 1211, and after the first positioning protrusion 1211 is inserted into the first positioning groove 1323, the seventh mounting post 1212 and the third connection hole 1325 are fixedly connected by a screw, so that the first positioning protrusion 1211 and the first positioning groove 1323 are matched to achieve both the precise positioning of the second connection portion 12 and the lower end portion 132 and further improve the reliable connection between the lower end portion 132 and the second connection portion 12.

Further, the second connecting portion 12 further includes a plate-shaped structure 122, the arc-shaped strip-shaped structure 121 is disposed on the inner side of the plate-shaped structure 122, the second mounting structure for mounting the rear pillar 43 and the first connecting hole 1221 for matching with the third mounting post 1321 are disposed on the plate-shaped structure 122, the third mounting post 1321 preferably abuts against the plate-shaped structure 133, the third mounting post 1321 is utilized to achieve reliable connection between the lower end portion 132 and the second connecting portion 12, and the third mounting post 1321 can be utilized to form a good support for the plate-shaped structure 122, so as to prevent the mounting structure from deforming due to stress. In addition, a fourth mounting post 1222 fixedly connected to the rear case 21 is further disposed on the plate-shaped structure 122.

The second mounting structure is similar to or identical to the first mounting structure in that it is required to be able to be mounted in cooperation with the rear pillar 43. For example, in the embodiment shown in fig. 8, the rear pillar 43 is provided with a positioning hole 431 and a second connecting hole 432, the first mounting structure includes a third positioning protrusion 1326 capable of being matched with the positioning hole 431 and a sixth mounting pillar 1327 capable of being matched with the second connecting hole 432, that is, on an original model (model without air pretreatment device), the third positioning protrusion 1326 is matched with the positioning hole 431 for positioning, the sixth mounting pillar 1327 is fixedly connected with the second connecting hole 432 by a screw, the second mounting structure includes a second positioning protrusion 1223 matched with the positioning hole 431 and a fifth mounting pillar 1224 matched with the second connecting hole 432, that is, in the stand-type air conditioner of the present application, the second positioning protrusion 1223 is matched with the positioning hole 431 for positioning, and the fifth mounting pillar 1224 is fixedly connected with the second connecting hole 432 by a screw. The number of the positioning holes 431 and the second connecting holes 432 is not limited, and may be one or more, preferably, two positioning holes 431 are provided, one second connecting hole 432 is provided, the two positioning holes 431 are respectively located at the upper and lower sides of the second connecting hole 432, correspondingly, two third positioning protrusions 1326 are provided, one sixth mounting column 1327 is provided, two third positioning protrusions 1326 are respectively located at the upper and lower sides of the sixth mounting column 1327, two second positioning protrusions 1223 are provided, one fifth mounting column 1224 is provided, and two second positioning protrusions 1223 are respectively located at the upper and lower sides of the fifth mounting column 1224.

The second positioning protrusion 1223 and the third positioning protrusion 1326 may be in any shape, and preferably, may be in a structure having a cross section of "C", "E", or "O", so that the problem of cooling deformation can be avoided, and the second positioning protrusion 1223 and the third positioning protrusion 1326 may have certain elasticity, so as to be conveniently inserted into the positioning hole 431 of the rear pillar 43 and make positioning more reliable under the elastic force.

In order to ensure the structural reliability of the lower end portion 132 and each positioning protrusion on the second connecting portion 12 and each mounting post, it is preferable that a reinforcing rib 1226 be provided on each positioning protrusion and a side wall of the mounting post. In addition, in order to ensure the structural strength of the structure around the first connection hole 1221 and avoid deformation caused by excessive stress on the mounting screw, a third reinforcing rib 1225 is preferably provided around the first connection hole 1221, and the third reinforcing rib 1225 extends around at least a part of the outer circumference of the first connection hole 1221 and further preferably extends to be connected to the other reinforcing ribs 1226.

Further preferably, the positioning between the lower end portion 132 and the second connecting portion 12 can be reinforced by a reinforcing rib on the lower end portion 132 cooperating with a structure on the second connecting portion 12. Exemplarily, as shown in fig. 11, the second positioning ribs 1328 are provided on the sidewalls of the third positioning protrusion 1326 and the sixth mounting post 1327 to extend to both sides, as shown in fig. 12, the second positioning groove 1228 is provided on the second connecting portion 12, specifically, the plate-shaped structure 122, and the positioning between the lower end portion 132 and the second connecting portion 12 is strengthened by the cooperation between the second positioning groove 1228 and the second positioning rib 1328, and in addition, the second positioning rib 1328 can abut against the plate-shaped structure 122, so as to further ensure that the plate-shaped structure 122 is not deformed due to a stress. It is understood that the plate-like structure 122 may be provided with second positioning grooves 1228 engaged with all of the second ribs 1328, or may be provided with second positioning grooves 1228 engaged with some of the second ribs 1328.

The specific structure of the second positioning groove 1228 is not limited, and for example, the second positioning groove 1228 may be formed by recessing the inner side surface of the plate-shaped structure 122, and in order to ensure the structural strength of the plate-shaped structure 122, preferably, as shown in fig. 12, a plurality of first annular protrusions 1227 are convexly arranged on the inner side of the plate-shaped structure 122, and the second positioning groove 1228 is formed between adjacent first annular protrusions 1227. In addition, a second annular protrusion 1229 may be protruded from the inner side of the plate-shaped structure 122, and the second annular protrusion 1229 is used to be matched with the third positioning protrusion 1326, so that a certain positioning effect can be achieved.

The rear housing 21 may be an integral structure or a separate structure, and in order to reduce the volume of the mold and reduce the development and production costs, the rear housing 21 is preferably a separate structure, specifically, as shown in fig. 4, the rear housing 21 includes an upper air inlet grill 211 and a lower trim plate 212, wherein an upper portion of the upper air inlet grill 211 is fixedly connected to the first connecting portion 11, a lower portion of the upper air inlet grill 211 and an upper portion of the lower trim plate 212 are fixedly connected to the second connecting portion 12, and at this time, the fourth mounting post 1222 on the second connecting portion 12 includes both a mounting post fixedly connected to the upper air inlet grill 211 and a mounting post fixedly connected to the lower trim plate 212. In addition, since the upper inlet louver 211 and the lower trim panel 212 are separately processed, the mold of the lower trim panel 212 can be shared for models having the same structure of the lower trim panel 212 and different structures of the upper inlet louver 211, and the mold of the upper inlet louver 211 can be shared for models having the same structure of the upper inlet louver 211 and different structures of the lower trim panel 212, thereby improving the mold versatility and reducing the production cost.

In order to make the whole structure of the floor air conditioner compact, it is preferable that the rear case 21 is provided with a groove structure 2112, as shown in fig. 4, the groove structure 2112 is formed by bending or curving the rear case 21 to the rear side, and at least a part of the structure of the air preprocessing device 22 is accommodated in the groove structure 2112. In order to ensure the reliability of the groove structure 2112 for installing the air preprocessing device 22, at least one of the fourth connection hole 2113 connected to the first connection portion 11 and the fifth connection hole 2114 connected to the second connection portion 12 is provided in the groove structure 2112, that is, the fourth connection hole 2113 may be provided in the groove structure 2112, the fifth connection hole 2114 may be provided in the groove structure 2112, or both the fourth connection hole 2113 and the fifth connection hole 2114 may be provided in the groove structure 2112. In the embodiment in which the rear case 21 includes the upper inlet louver 211 and the lower trim panel 212, in order to ensure close contact between the bottom edge portion of the upper inlet louver 211 and the second connecting portion 12 and to prevent a seam from appearing in appearance, it is preferable that the fourth connecting hole 2113 be provided on the groove structure 2112, and the fifth connecting hole 2114 be provided not on the groove structure 2112 but at a position of the upper inlet louver 211 near the bottom edge.

The embodiment of the invention also provides a processing system of the air duct structure of the vertical air conditioner, which is used for processing different air duct structures, such as the air duct structure of the vertical air conditioner and the air duct structure of the original machine type corresponding to the vertical air conditioner.

Wherein, in the embodiment that the first connecting part and the second connecting part are both of a split structure with the main body in the air duct structure of the vertical air conditioner, the processing system comprises a first die, the first die comprises a die body, a first insert, a second insert, a third insert and a fourth insert, the die body comprises a first main body part for forming the upper end part of the air duct structure and a second main body part for forming the lower end part of the air duct structure, the first insert and the second insert are alternatively matched with the first main body part, the third insert and the fourth insert are alternatively matched with the second main body part, the air duct structure formed by matching the die body with the first insert and the third insert is different from the air duct structure formed by matching the die body with the second insert and the fourth insert, namely, the first air duct structure and the second air duct structure are respectively formed, and the die body is matched with the first insert and the third insert for forming the first air duct structure, for example, a first air duct structure is formed as shown in fig. 1 to 3, and the die body is used to form a second air duct structure in cooperation with a second insert and a fourth insert, wherein the second insert is used to form a first connecting portion, and the fourth insert is used to form a second connecting portion.

In the embodiment that the first connecting part and the body are of an integral structure and the second connecting part and the body are of a split structure in the air duct structure of the vertical air conditioner, the processing system comprises a first die and a third die, the first die comprises a die body, a first insert and a second insert, wherein the die body comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the first insert and the second insert are alternatively matched with the first body part, the air duct structure formed by the die body and the first insert is different from the air duct structure formed by the die body, the second insert and the third die, namely a first air duct structure and a second air duct structure are respectively formed, the die body and the first insert are matched for forming the first air duct structure, for example, the first air duct structure shown in fig. 1 to 3 is formed, and the die body and the second insert are matched for forming a part of the second air duct structure, the second insert is used for forming a first connecting part, and the third die is used for forming a second connecting part of a second air duct structure.

In the embodiment that the first connecting part and the body are in a split structure and the second connecting part and the body are in an integral structure in the air duct structure of the vertical air conditioner, the processing system comprises a first die and a second die, the first die comprises a die body, a third insert and a fourth insert, wherein the die body comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the third insert and the fourth insert are alternatively matched with the second body part, the air duct structure formed by matching the die body with the third insert is different from the air duct structure formed by the die body, the fourth insert and the second die, i.e. a first air duct structure and a second air duct structure are respectively formed, the die body is matched with the third insert for forming the first air duct structure, for example, the first air duct structure shown in fig. 1 to 3 is formed, and the die body is matched with the fourth insert for forming a part of the second air duct structure, the fourth insert is used for forming a second connecting part, and the second die is used for forming a first connecting part of a second air duct structure.

In the embodiment that the first connecting portion and the second connecting portion are both separate from the body in the air duct structure of the vertical air conditioner, the processing system includes a first mold, a second mold and a third mold, wherein the first mold includes a first body portion for forming an upper end portion of the air duct structure and a second body portion for forming a lower end portion of the air duct structure, the first mold is used for forming the first air duct structure, for example, the first air duct structure shown in fig. 1 to 3 is formed, the second mold is used for forming the first connecting portion of the second air duct structure, the third mold is used for forming the second connecting portion of the second air duct structure, and the first air duct structure, the first connecting portion and the second connecting portion are connected with each other to form the second air duct structure.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A vertical air conditioner is characterized by comprising an air duct structure and a rear shell assembly, wherein the rear shell assembly comprises a rear shell and an air pretreatment device, an air inlet is formed in the rear shell, the air pretreatment device is positioned on the inner side of the rear shell and positioned at the air inlet, the air duct structure comprises a body, a first connecting part and a second connecting part, the body comprises an upper end part and a lower end part, the air duct structure comprises a first air inlet, a second air inlet and a second air inlet,

2. The floor air conditioner according to claim 1, wherein the upper end portion includes an upper end plate, a connection rib connected to a top of the upper end plate, and a first support block connected to a top of the connection rib;

the first connecting part comprises a second supporting block and a second mounting column connected with the bottom of the second supporting block, and the second mounting column is fixedly connected with the rear shell;

when the first connecting part is respectively and fixedly connected with the upper end part and the rear shell, the second supporting block is abutted against the first supporting block;

3. The floor air conditioner according to claim 2, wherein when the first connecting portion and the upper end portion are of an integral structure, the upper end portion further comprises a first mounting column connected to the bottom of the first supporting block, and at least a part of the edge of the first mounting column extends to form the second mounting column; and/or the presence of a gas in the gas,

4. The vertical air conditioner according to claim 1, further comprising a base plate and a rear pillar, wherein the rear pillar is supported between the lower end portion and the base plate, a third mounting post and a first mounting structure are disposed on the lower end portion, the third mounting post is fixedly connected with the second connecting portion, the first mounting structure can be installed in cooperation with the rear pillar, a second mounting structure is disposed on the second connecting portion, the upper end of the rear pillar is fixed to the second connecting portion through the second mounting structure, and the lower end of the rear pillar is fixedly connected with the lower end of the rear housing.

5. The vertical air conditioner according to claim 4, wherein the lower end portion comprises an edge arc surface, the second connecting portion comprises an arc-shaped strip-shaped structure matched with the edge arc surface, one of the edge arc surface and the arc-shaped strip-shaped structure is provided with a first positioning groove, and the other of the edge arc surface and the arc-shaped strip-shaped structure is provided with a first positioning protrusion matched with the first positioning groove.

6. The vertical air conditioner according to claim 5, wherein the second connecting portion further comprises a plate-shaped structure, the arc-shaped strip-shaped structure is disposed inside the plate-shaped structure, the second mounting structure is disposed on the plate-shaped structure, and the plate-shaped structure is further provided with a first connecting hole corresponding to the third mounting post and a fourth mounting post fixedly connected to the rear housing.

7. The vertical air conditioner as claimed in claim 4, wherein the rear pillar is provided with a positioning hole and a second connecting hole, and the second mounting structure comprises a second positioning protrusion engaged with the positioning hole and a fifth mounting pillar engaged with the second connecting hole;

8. The vertical air conditioner according to any one of claims 1 to 7, wherein a groove structure is provided on the rear case, the groove structure is formed by bending or curving the rear case to a rear side, at least a part of the structure of the air pre-processing device is received in the groove structure,

9. The vertical air conditioner according to any one of claims 1 to 7, wherein the rear case includes an upper inlet grill and a lower trim panel which are separately provided, and a lower end portion of the upper inlet grill and an upper end portion of the lower trim panel are fixedly connected to the second connecting portion.

10. A processing system of an air duct structure of a vertical air conditioner is characterized in that the processing system is used for processing different air duct structures and comprises a first die, the first die comprises a die body, a first insert, a second insert, a third insert and a fourth insert, the die body comprises a first body part for forming the upper end part of the air duct structure and a second body part for forming the lower end part of the air duct structure, the first insert and the second insert are alternatively matched with the first body part, the third insert and the fourth insert are alternatively matched with the second body part, the air duct structure formed by the die body in matching with the first insert and the third insert is different from the air duct structure formed by the die body in matching with the second insert and the fourth insert, wherein the second insert is used for processing a first connecting part, the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, the fourth insert is used for processing a second connecting part, and the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell; alternatively, the first and second electrodes may be,

the processing system comprises a first die and a third die, the first die comprises a die body, a first insert and a second insert, the die body comprises a first body part for processing the upper end part of the air duct structure and a second body part for processing the lower end part of the air duct structure, the first insert and the second insert are alternatively matched with the first body part, the air duct structure formed by matching the die body and the first insert is different from the air duct structure formed by the die body, the second insert and the third die, the die body and the second insert are matched to form a part of the air duct structure, the second insert is used for forming a first connecting part, the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, and the third die is used for forming a second connecting part of the air duct structure, the second connecting part is used for connecting the lower end part of the air duct structure with the rear shell of the air conditioner; alternatively, the first and second electrodes may be,

the processing system comprises a first die and a second die, the first die comprises a die body, a third insert and a fourth insert, the die body comprises a first body part for processing the upper end part of the air duct structure and a second body part for processing the lower end part of the air duct structure, the third insert and the fourth insert are alternatively matched with the second body part, the air duct structure formed by matching the die body and the third insert is different from the air duct structure formed by the die body, the fourth insert and the second die, the die body and the fourth insert are matched to form a part of the air duct structure, the fourth insert is used for processing a second connecting part, the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell, and the second die is used for forming a first connecting part of the air duct structure, the first connecting part is used for connecting the upper end part of the air duct structure with the rear shell of the air conditioner; alternatively, the first and second electrodes may be,

the processing system comprises a first die, a second die and a third die, wherein the first die comprises a first body part used for processing the upper end part of the air duct structure and a second body part used for processing the lower end part of the air duct structure, the first die is used for processing the first air duct structure, the second die is used for processing a first connecting part of the second air duct structure, the third die is used for processing a second connecting part of the second air duct structure, and the first air duct structure, the first connecting part and the second connecting part form the second air duct structure, wherein the first connecting part is used for connecting the upper end part of the air duct structure with the rear air conditioner shell, and the second connecting part is used for connecting the lower end part of the air duct structure with the rear air conditioner shell.