A volute fixing structure and air conditioner

Abstract

The present invention provides a volute fixing structure and an air conditioner, wherein the volute fixing structure comprises a volute fixing plate and at least one set of volute components, wherein the volute components comprise a connected upper volute and a lower volute, wherein the lower volute is detachably connected to the volute fixing plate via a connecting component, wherein the volute fixing plate is provided with a folded edge, wherein the lower volute is provided with a volute tongue, wherein the volute tongue passes through the volute fixing plate and forms an air outlet together with the folded edge. The present invention transfers the air duct profile of the front part of the upper volute to the volute fixing plate, wherein the upper volute is only connected to the lower volute, which is convenient for assembly and maintenance of the fan; at the same time, a clearance groove is provided on the volute fixing plate, so that the disassembly and assembly of the lower volute is not affected by the wind wheel, and the use is more convenient; in addition, under the action of the connecting component, the lower volute is firmly fixed to the volute fixing plate, and the assembly efficiency can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to a volute fixing structure and an air conditioner. Background Art

[0002] With the development of society and the improvement of people's living standards, air conditioners have been widely used in homes, businesses and other occasions. In duct machines, the volute fixing plate assembly is an important component of the air duct system, and the quality of its design structure will affect the performance of the entire air conditioner. Therefore, the applicant studied the volute structure of the air conditioner in the early stage and submitted a patent application with application number 201811653019.0, which discloses a volute assembly, including a volute provided with a first fixing member, and a volute tongue provided with at least one second fixing member, the left and right sides of the first fixing member each include at least one buckle, and the left and right sides of the second fixing member each include at least one buckle hole, and the volute and the volute fixing member can be fixed by the mutual cooperation of the buckle and the buckle hole.

[0003] With further research by the applicant, it was found that since the application did not improve the assembly structure of the volute assembly, the duct profile was set on the upper volute, and the upper volute also needed to pass through the volute fixing plate. At the same time, the upper volute and the lower volute were clamped and fixed, which made disassembly and assembly inconvenient; at the same time, the disassembly and assembly of the volute fixing plate assembly and the wind wheel required a certain operation sequence, the operation was cumbersome, and it was easy to cause damage to the components during the operation. Summary of the invention

[0004] The problem solved by the present invention is that in the prior art, the air duct profile on the upper volute needs to partially pass through the volute fixing plate and then be clipped to the lower volute, which makes disassembly and assembly inconvenient and the operation complicated.

[0005] In order to solve the above problems, the present invention provides a volute fixing structure, including a volute fixing plate and at least one set of volute components, the volute component includes an upper volute and a lower volute connected to each other, the lower volute is detachably connected to the volute fixing plate through a connecting component, the volute fixing plate is provided with a folded edge, the lower volute is provided with a volute tongue, and the volute tongue passes through the volute fixing plate to form an air outlet together with the folded edge. This arrangement transfers the air duct profile originally located on the upper volute to the volute fixing plate, the lower volute is detachably connected to the volute fixing plate, and the upper volute is only connected to the lower volute, which is easy to operate, has high disassembly and assembly efficiency, and improves product competitiveness.

[0006] Furthermore, the volute fixing plate is provided with a clearance groove, the clearance groove is located at the left end and / or the right end of the folded edge, and part of the volute tongue passes through the volute fixing plate from the clearance groove. This arrangement can realize the installation of the wind wheel first and then the volute, or the removal of the volute without moving the wind wheel, so that the assembly sequence of the volute assembly is diverse and easier to operate; in addition, the arrangement has a simple structure and is easy to produce and process.

[0007] Furthermore, the connection assembly includes at least one set of first buckle / first slot structures, the first buckle is provided on one of the lower volute and the volute fixing plate, and the first slot is provided on the other of the lower volute and the volute fixing plate. This arrangement can realize the rapid disassembly and assembly between the lower volute and the volute fixing plate, and improve the maintenance efficiency; at the same time, the number of buckles / slots can be set as needed, so as to take into account the stability and convenience of the assembly of the two.

[0008] Furthermore, the first buckle is arranged on the side end surface of the lower volute, and the first slot is arranged on the volute fixing plate at a position corresponding to the first buckle. This arrangement further defines the specific positions of the first buckle and the first slot, facilitates processing and production, and also improves the convenience of assembly; at the same time, this arrangement can realize top-down fixing, which is more in line with operating habits.

[0009] Furthermore, the connection assembly further comprises at least one set of positioning post / matching hole structures, wherein the positioning post is provided on one of the lower volute and the volute fixing plate, and the matching hole is provided on the other of the lower volute and the volute fixing plate. This arrangement can realize rapid positioning between the volute fixing plate and the lower volute, thereby improving installation efficiency; at the same time, the arrangement has a simple structure and is convenient for production and processing.

[0010] Furthermore, the positioning column is arranged on the side end surface of the lower volute, and the matching hole is arranged on the volute fixing plate at a position corresponding to the positioning column. This arrangement can further improve the connection strength between the lower volute and the volute fixing plate, effectively reduce the vibration and working noise of the volute assembly, and improve the product competitiveness.

[0011] Furthermore, the front end of the positioning column includes an inclined positioning column slope, which can make the inclined surface of the positioning column partially contact with the matching hole, and finally make the positioning column completely enter the matching hole, further improving the assembly efficiency of the positioning column and the matching hole.

[0012] Furthermore, the upper volute and the lower volute are fixed by snap connection or screw connection. This arrangement can realize the rapid assembly between the upper volute and the lower volute, facilitate the assembly and maintenance of the fan, and improve the installation or maintenance efficiency.

[0013] Furthermore, a stopper protrusion is provided on the upper volute, and a limit groove is provided on the lower volute at a position corresponding to the stopper protrusion, and the stopper protrusion can enter the limit groove and be limited. This arrangement can perform secondary limit on the upper volute and the lower volute, which can not only play a positioning role, but also avoid human operation errors that cause damage to the clamping or screwing parts between the two.

[0014] Another object of the present invention is to provide an air conditioner, the air conditioner comprising the above-mentioned volute fixing structure. The air conditioner has the same beneficial effects as the above-mentioned volute fixing structure relative to the prior art, which will not be described in detail here.

[0015] Compared with the prior art, the volute fixing structure and the air conditioner of the present invention have the following beneficial effects:

[0016] (1) The present invention transfers the air duct profile to the volute fixing plate, and the upper volute is only detachably connected to the lower volute, which facilitates the assembly and maintenance of the wind wheel and the volute fixing structure, is easy to operate, and improves product competitiveness;

[0017] (2) By providing a clearance groove on both sides of the folded edge, the wind wheel can be installed first and then the volute, or the volute can be removed without moving the wind wheel, so that the assembly sequence of the volute assembly is diverse and easier to operate;

[0018] (3) By providing a buckle / slot connection structure, quick assembly between the lower volute and the volute fixing plate is achieved; at the same time, a positioning column / matching hole is provided to prevent relative movement between the lower volute and the volute fixing plate and strengthen the fixation between the two.

[0019] (4) The volute fixing structure and the air conditioner structure described in the present invention are simple and reasonable, and are easy to produce, process and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the volute fixing structure of the present invention;

[0021] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0022] Figure 3 It is a partial structural schematic diagram of the volute fixing structure of the present invention;

[0023] Figure 4 It is a structural schematic diagram of the volute fixing plate of the present invention;

[0024] Figure 5 This is a first perspective view of the lower volute of the present invention;

[0025] Figure 6 A second viewing angle diagram of the lower volute of the present invention;

[0026] Figure 7 This is a structural example diagram of the positioning column described in the present invention.

[0027] Description of reference numerals:

[0028] Volute fixing plate-1, folded edge-11, give way groove-12, volute assembly-2, upper volute-21, second slot-211, stop protrusion-212, lower volute-22, second buckle-221, volute cavity-222, limit slot-223, volute tongue-23, connecting assembly-3, first buckle-31, first slot-32, positioning column-33, matching hole-34, positioning column inclined surface-331, wind wheel-5. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] Example 1

[0031] like Figure 1 A volute fixing structure is shown, including a volute fixing plate 1 and at least one set of volute components 2, wherein the volute component 2 includes an upper volute 21 and a lower volute 22 connected to each other, wherein the lower volute 22 is detachably connected to the volute fixing plate 1 via a connecting component 3, wherein the volute fixing plate 1 is in an elongated shape, and a folded edge 11 is provided on one side thereof, wherein a volute tongue 23 is provided on the lower volute 22, and the volute tongue 23 passes through the volute fixing plate 1 and forms an air outlet together with the folded edge 11. This arrangement transfers the air duct profile originally located on the upper volute 21 to the volute fixing plate 1, wherein the lower volute 22 is detachably connected to the volute fixing plate 1 via the connecting component 3, and the upper volute 21 is only connected to the lower volute 22, which is easy to operate, has high disassembly and assembly efficiency, and improves product competitiveness. As a preferred embodiment, Figure 1 , Figure 5 , Figure 6 As shown, the volute assembly 2 has 4 sets, which are arranged in sequence along the long axis direction of the volute fixing plate 1; wherein the lower volute 22 is bent to form a volute cavity 222, and the lower volute 22 and the upper volute 21 together form a cylindrical cavity for accommodating the wind wheel 5. As an example of the present invention, there is a certain angle between the folded edge 11 and the volute fixing plate 1; preferably, the angle is less than 90°. This arrangement can make the air outlet formed by the folded edge 11 and the volute tongue 23 trumpet-shaped, making the air outlet of the air conditioner smoother.

[0032] As an example of the present invention, a clearance groove 12 is provided on the volute fixing plate 1, and the clearance groove 12 is located at the left end and / or right end of the folded edge 11, and part of the volute tongue 23 passes through the volute fixing plate 1 from the clearance groove 12. This arrangement can realize the installation of the wind wheel 5 first and then the volute 22, or the removal of the volute 22 without moving the wind wheel 5, so that the assembly sequence of the volute assembly 2 is diverse and easier to operate; in addition, the arrangement has a simple structure and is convenient for production and processing. As a preferred example of the present invention, a plurality of groups of the clearance grooves 12 are provided on the volute fixing plate 1, and the number of groups of the clearance grooves 12 is consistent with the number of volute assemblies 2. Each group of the clearance grooves 12 has two, which are located on the left and right sides of the folded edge 11. Preferably, the two clearance grooves 12 are arranged symmetrically along the longitudinal axis of the folded edge 11.

[0033] like Figure 3 , Figure 4 , Figure 5 As shown, the connection assembly 3 is arranged between the lower volute 22 and the volute fixing plate 1, and includes at least one group of first buckle 31 / first slot 32 structures and / or at least one group of positioning column 33 / matching hole 34 structures. As an example of the present invention, the first buckle 31 is arranged on one of the lower volute 22 and the volute fixing plate 1, and the first slot 32 is arranged on the other of the lower volute 22 and the volute fixing plate 1. As a preferred example of the present invention, the first buckle 31 is arranged on the side end surface of the lower volute 22, and the first slot 32 is arranged on the volute fixing plate 1 at a position corresponding to the first buckle 31. The above-mentioned setting can realize the rapid disassembly and assembly between the lower volute 22 and the volute fixing plate 1, and improve the maintenance efficiency; at the same time, the number of buckles / slots can be set as needed, so as to take into account the stability and convenience of the assembly between the lower volute 22 and the volute fixing plate 1; in addition, the setting can realize the fixing of the lower volute 22 on the volute fixing plate 1 from top to bottom, which is more in line with the operating habits. Similarly, the positioning column 33 is provided on one of the lower volute 22 and the volute fixing plate 1, and the matching hole 34 is provided on the other of the lower volute 22 and the volute fixing plate 1. This arrangement can realize the rapid positioning between the volute fixing plate 1 and the lower volute 22, thereby improving the installation efficiency; at the same time, the arrangement has a simple structure and is convenient for production and processing. As an example of the present invention, the positioning column 33 is provided on the side end surface of the lower volute 22, and the matching hole 34 is provided on the volute fixing plate 1 at a position corresponding to the positioning column 33. This arrangement can further improve the connection strength between the lower volute 22 and the volute fixing plate 1, effectively reduce the vibration and working noise of the volute assembly 2, and improve the product competitiveness. As a preferred example of the present invention, Figure 7As shown, the front end of the positioning column 33 includes an inclined positioning column slope 331. This setting allows the positioning column slope 331 to partially contact the matching hole 34, and finally allows the positioning column 33 to completely enter the matching hole 34, further improving the assembly efficiency of the positioning column 33 and the matching hole 34. As an example of the present invention, there is one positioning column 33, which is located at the lower part of the lower volute 22; there are two first buckles 31, which are located at the upper part of the lower volute 22, and the two first buckles 31 are respectively located on the left and right sides of the folding edge 11, and are arranged in a left-right symmetrical manner along the longitudinal axis of the folding edge 11. Preferably, there are four first buckles 31, which are respectively located at the upper left, lower left, upper right, and lower right corners of the side of the lower volute 22. There are two positioning columns 33, which are respectively located on the left and right sides of the lower volute 22. This setting can not only meet the convenience of assembly between the lower volute 22 and the volute fixing plate 1, but also increase the connection strength between the two, and improve the stability of equipment operation.

[0034] The upper volute 21 and the lower volute 22 may be integrally formed or detachably connected. As an example of the present invention, the upper volute 21 and the lower volute 22 are fixed by snap-fitting or screwing. This arrangement enables quick assembly between the upper volute 21 and the lower volute 22, facilitates assembly and maintenance of the fan, and improves installation or maintenance efficiency. Figure 1 , Figure 2 As shown, preferably, the upper volute 21 is provided with a second slot 211, and the lower volute 22 is provided with a second buckle 221 at a position corresponding to the second slot 211, and the second buckle 221 can be inserted into the second slot 211 and limited, so as to achieve the assembly and fixation between the upper volute 21 and the lower volute 22. As another example of the present invention, the upper volute 21 is also provided with a stopper 212 arranged adjacent to the second slot 211, and the lower volute 22 is provided with a limit groove 223 at a position corresponding to the stopper 212, and the stopper 212 can enter the limit groove 223 and be limited. This setting can perform secondary limit on the upper volute 21 and the lower volute 22, which can not only play a positioning role, but also avoid human operation errors that cause damage to the clamping structure between the two.

[0035] Example 2

[0036] A volute fixing structure includes a volute fixing plate 1 and a volute assembly 2, wherein the volute assembly 2 includes an upper volute 21 and a lower volute 22 connected to each other, wherein the lower volute 22 is detachably connected to the volute fixing plate 1, wherein a folding edge 11 is provided on one side of the volute fixing plate 1, and a volute tongue 23 is provided on the lower volute 22, wherein the two sides of the volute tongue 23 gradually widen, and the volute tongue 23 passes through the volute fixing plate 1 and forms a "trumpet-shaped" air outlet together with the folding edge 11. This arrangement transfers the air duct profile originally located on the upper volute 21 to the volute fixing plate 1, wherein the lower volute 22 is detachably connected to the volute fixing plate 1 through a connecting assembly 3, wherein the upper volute 21 is only connected to the lower volute 22, and the operation is simple, and the disassembly and assembly efficiency is high, thereby improving the competitiveness of the product. Preferably, there are four volute assemblies 2 which are arranged in sequence along the long axis direction of the volute fixing plate 1 . The lower volute 22 is bent to one side to form a volute cavity 222 , which together with the upper volute 21 forms a hollow cylindrical structure for accommodating the wind wheel 5 .

[0037] The volute fixing plate 1 includes a plate body and an inclined folding edge 11, the plate body is provided with an opening, and the folding edge 11 is located at the upper part of the opening. As an example of the present invention, the angle α between the folding edge 11 and the plate body of the volute fixing plate 1 is less than 90°. Preferably, the angle α between the folding edge 11 and the plate body of the volute fixing plate 1 is 50°-75°. As another example of the present invention, the left and right sides of the folding edge 11 are provided with a clearance groove 12. This setting can realize the installation of the wind wheel 5 first and then the volute 22, or the removal of the volute 22 without moving the wind wheel 5, so that the assembly order of the volute assembly 2 is diverse and easier to operate; in addition, the setting has a simple structure and is convenient for production and processing.

[0038] The lower volute 22 is provided with a first buckle 31; accordingly, the volute fixing plate 1 is provided with a first slot 32 at a position corresponding to the first buckle 31. During assembly, the first buckle 31 is inserted into the first slot 32 from top to bottom and is limited, thereby realizing a detachable connection between the lower volute 22 and the volute fixing plate 1. As another example of the present invention, the lower volute 22 is also provided with a positioning column 33, and the end of the positioning column 33 has an inclined positioning column slope 331; accordingly, the volute fixing plate 1 is provided with a matching hole 34 at a position corresponding to the positioning column 33. This setting can realize rapid positioning between the volute fixing plate 1 and the lower volute 22, thereby improving installation efficiency; at the same time, the structure of this setting is simple and convenient for production and processing. Through the combined action of the buckle / slot structure and the convex column / concave hole structure, rapid assembly between the lower volute 22 and the volute fixing plate 1 is realized. The upper volute 21 is provided with a second slot 211 , and the lower volute 22 is provided with a second buckle 221 at a position corresponding to the second slot 211 . The second buckle 221 can be inserted into the second slot 211 and limited, thereby realizing a detachable fixed connection between the upper volute 21 and the lower volute 22 .

[0039] During assembly, the volute tongue 23 on the lower volute 22 is aligned with the make way groove 12 on the volute fixing plate 1 and passes through the volute fixing plate 1, so that the volute tongue 23 and the folded edge 11 on the volute fixing plate 1 form an air outlet; positioning is performed according to the position of the positioning column 33 on the lower volute 22, and then the lower volute 22 is pushed downward, and the first buckle 31 located at the lower volute 22 enters into the first clamping groove 32 located at the corresponding position of the volute fixing plate 1, and is limited and fixed; after installing the wind wheel 5, the upper volute 21 is directly clamped on the lower volute 22, thereby completing the assembly of the volute fixing structure.

[0040] Example 3

[0041] The present invention also proposes an air conditioner, which can be a cabinet air conditioner, a wall-mounted air conditioner, a ceiling air conditioner, etc.; for the air conditioner, in addition to the volute fixing structure and related assembly structures, the air conditioner also includes air conditioner components such as a motor, a condenser, and an air sweeping structure. In view of the fact that the specific structures and specific assembly relationships of the related components are all existing technologies, they are not elaborated here.

[0042] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A volute fixing structure, comprising a volute fixing plate (1) and at least one volute assembly (2), wherein the volute assembly (2) comprises an upper volute (21) and a lower volute (22) connected to each other, characterized in that: The lower volute (22) is detachably connected to the volute fixing plate (1) through a connecting assembly (3); the volute fixing plate (1) is provided with a folded edge (11); the lower volute (22) is provided with a volute tongue (23); after the volute tongue (23) passes through the volute fixing plate (1), it forms an air outlet together with the folded edge (11); the volute fixing plate (1) is provided with a clearance groove (12); the clearance groove (12) is located at the left end and / or the right end of the folded edge (11); part of the volute tongue (23) passes through the volute fixing plate (1) from the clearance groove (12); the connecting assembly (3) comprises at least one set of first buckle (31) / first buckle groove (32) structure; the first buckle (31) is provided on one of the lower volute (22) and the volute fixing plate (1); the first buckle (31) is provided on the lower volute (22) and the volute fixing plate (1); the first buckle (32) is provided on the lower volute (22) and the volute fixing plate (1); 2) and the other of the volute fixing plate (1); the first buckle (31) is arranged on the side end surface of the lower volute (22), and the first slot (32) is arranged at a position on the volute fixing plate (1) corresponding to the first buckle (31); the connecting component (3) also includes at least one set of positioning column (33) / matching hole (34) structure, the positioning column (33) is arranged on one of the lower volute (22) and the volute fixing plate (1), and the matching hole (34) is arranged on the other of the lower volute (22) and the volute fixing plate (1); the positioning column (33) is arranged on the side end surface of the lower volute (22), and the matching hole (34) is arranged at a position on the volute fixing plate (1) corresponding to the positioning column (33); the front end of the positioning column (33) includes an inclined positioning column inclined surface (331).

2. The volute fixing structure according to claim 1, characterized in that: The upper volute (21) and the lower volute (22) are fixed by snap connection or screw connection.

3. The volute fixing structure according to claim 2, characterized in that: The upper volute (21) is provided with a stop bulge (212), and the lower volute (22) is provided with a limiting groove (223) at a position corresponding to the stop bulge (212), and the stop bulge (212) can enter the limiting groove (223) and be limited.

4. An air conditioner, characterized in that: The air conditioner comprises the volute fixing structure according to any one of claims 1-3.

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