Base assembly and air conditioner

Abstract

The present invention provides a base assembly air conditioner, and specifically relates to the technical field of air conditioners. The base assembly of the present invention includes a base structure, a motor body, a motor shaft, a transmission belt, a first transmission wheel, at least one second transmission wheel and a transmission shaft; the transmission shaft is connected to the base structure, the motor body is mounted on the base structure, the first transmission wheel is connected to the motor shaft, the second transmission wheel is connected to the transmission shaft, and the first transmission wheel and the second transmission wheel are connected through a transmission belt transmission. Therefore, when the crossflow fan is driven by the motor, it can be avoided that the motor shaft is connected or limited to the crossflow fan in the axial direction of the motor shaft, and when the crossflow fan is disassembled and cleaned, the motor does not need to be disassembled, thereby reducing the disassembly and assembly process. In addition, by arranging the transmission shaft on the base structure, it is possible to avoid arranging the transmission shaft on the motor and making the motor.

Description

Technical Field

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

[0002] In the prior art, the upper base and the lower base of some air conditioners are detachable, and the motor and the cross-flow fan are installed on the lower base at the same time. The motor and the cross-flow fan are connected through the shaft hole. When the cross-flow fan is disassembled and cleaned, the motor and the cross-flow fan must be removed at the same time after the lower base is disassembled, which causes unnecessary trouble. Summary of the invention

[0003] The present invention aims to solve the technical problem in the prior art that the motor needs to be disassembled when disassembling the cross-flow fan to a certain extent.

[0004] To solve the above problems, the present invention provides a base assembly, including a base structure, a motor body, a motor shaft, a transmission belt, a first transmission wheel, at least one second transmission wheel and a transmission shaft; the transmission shaft is connected to the base structure, the motor body is installed on the base structure, the first transmission wheel is drivingly connected to the motor shaft, the second transmission wheel is connected to the transmission shaft, and the first transmission wheel and the second transmission wheel are connected through the transmission belt.

[0005] Therefore, by arranging the second transmission wheel and the transmission shaft on the base structure, arranging the first transmission wheel on the motor, and tensioning the second transmission wheel and the second transmission wheel through the transmission belt, when the motor drives the crossflow fan, it is possible to avoid the motor shaft being connected or limited in the axial direction of the motor shaft with the crossflow fan, and when the crossflow fan is disassembled and cleaned, the motor does not need to be disassembled, thereby reducing the disassembly and assembly process. In addition, by arranging the transmission shaft on the base structure, it is possible to avoid setting the transmission shaft on the motor and making the motor rigid.

[0006] Optionally, it also includes a fan assembly, which includes a fan body, a fan shaft and a transmission pulley, the fan body is installed on the base structure, the fan shaft is arranged at one axial end of the fan body, the transmission pulley is connected to the fan shaft, and the transmission pulley is connected to the transmission belt.

[0007] Therefore, the driving of the fan body is realized through the transmission connection between the transmission pulley and the transmission belt. The fan is driven by the transmission belt, and the installation accuracy requirements of the motor and the fan are low. Even when the motor and the fan have large installation errors, the transmission of the motor and the fan can be guaranteed.

[0008] Optionally, the drive pulley is tensionedly matched with a circumferential inner surface or outer surface of the drive belt.

[0009] Thus, the fan body is driven by the tension connection between the drive pulley and the circumferential inner surface or outer surface of the drive belt; when the fan body is disassembled, the fan assembly can be directly lifted, and the transmission relationship between the fan assembly and the belt transmission mechanism is released. In addition, the drive pulley is tensioned with the circumferential outer surface of the drive belt, which can make better use of the space enclosed by the drive belt and avoid the drive belt protruding when the drive pulley is matched with the circumferential inner surface of the drive belt, resulting in a waste of space.

[0010] Optionally, a diameter of the second transmission wheel is greater than a diameter of the first transmission wheel.

[0011] Thus, the diameter of the driving wheel is smaller than that of the driven wheel, which can reduce the transmission ratio of the transmission belt, reduce the rotation speed of the driven wheel, and reduce the wear between the transmission shaft and the motor. In addition, the area of ​​the enclosed area of ​​the transmission belt can be increased, and the matching space between the transmission belt and the fan shaft can be increased.

[0012] Optionally, the base structure includes an upper base and a lower base that are detachably connected, the transmission shaft is connected to the upper base, the motor body is mounted on the upper base, and the fan body is mounted on the lower base.

[0013] Thus, by installing the fan assembly on the lower base, and installing the motor body and the transmission shaft on the upper base, when the fan body needs to be cleaned, the lower base can be directly disassembled, the transmission pulley and the transmission belt are automatically separated, and the upper base is still hung on the wall, which can also avoid disassembling the motor body, reducing the disassembly and assembly process and avoiding unnecessary trouble. In addition, since there is inevitably an error in the connection between the upper base and the lower base, and the motor is installed on the upper base, it is inevitable that the coaxiality between the motor shaft and the fan shaft will be low. By adopting the transmission belt drive method, when there is a large connection error between the upper base and the lower base, it can effectively avoid the motor shaft and the fan shaft from being connected on the coaxial line, thereby ensuring the normal operation of the motor and the fan.

[0014] Optionally, it also includes a motor cover, the upper base is provided with a accommodating portion, the motor body is at least partially accommodated in the accommodating portion, the motor cover is covered on the motor body, the motor cover and the accommodating portion together form a space for installing the motor body, and the motor cover is detachably connected to the upper base.

[0015] Therefore, the motor body is installed on the upper base through the detachable connection between the motor cover and the upper base. When the fan is disassembled and cleaned, the motor body is fixed to the upper base through the motor cover to prevent the motor body from falling. At the same time, the motor body can also be tightened to prevent the motor body from shifting when the transmission belt and the transmission pulley are tensioned.

[0016] Optionally, a limiting platform is provided on the motor body, a first limiting opening is provided on the upper base, and a second limiting opening is provided on the motor gland, and the first limiting opening and the second limiting opening together form a limitation on the limiting platform.

[0017] Therefore, when the motor body is mounted on the upper base, the first limiting opening and the second limiting opening work together to limit the limiting platform, thereby preventing the motor body from rotating and causing the transmission belt to deflect.

[0018] Optionally, it further includes a bearing and a bearing mounting seat for mounting the bearing, the fan shaft is inserted into the bearing, and the bearing mounting seat is detachably connected to the lower base.

[0019] Therefore, by detachably connecting the bearing mounting seat and the lower base, the crossflow fan blades can be fixed while being easily disassembled and cleaned.

[0020] Optionally, a bearing seat pressure cover is further included, wherein the bearing seat pressure cover is disposed on the bearing mounting seat, and the bearing seat pressure cover is detachably connected to the lower base.

[0021] Thus, the bearing seat pressure cover is connected to the lower base, so as to further reinforce the bearing mounting seat, avoid shaking of the bearing mounting seat, and also avoid deflection of the fan body when the transmission belt and the transmission pulley are tensioned.

[0022] The present invention also provides an air conditioner, characterized in that it comprises any of the above-mentioned base assemblies. The air conditioner has the same beneficial effects as the base assembly, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of an air conditioner in an embodiment of the present invention after the lower base and the upper base are separated;

[0024] Figure 2 It is a schematic diagram of the cooperation between the upper base and the motor body in an embodiment of the present invention;

[0025] Figure 3 For the present invention Figure 2 Partial view at A in the middle;

[0026] Figure 4 A schematic diagram of the coordination of a motor and a fan assembly in an embodiment of the present invention;

[0027] Figure 5 For the present invention Figure 4 Partial view at B in the middle;

[0028] Figure 6 is an exploded view of the upper base and the motor body in an embodiment of the present invention;

[0029] Figure 7 For the present invention Figure 6 Partial view at center C;

[0030] Figure 8 A schematic diagram of the cooperation between the first transmission wheel and the second transmission wheel and the transmission belt in an embodiment of the present invention;

[0031] Fig. 9 It is a schematic diagram of the cooperation between the lower base and the fan assembly in an embodiment of the present invention;

[0032] Fig.10 For the present invention Fig. 9 Partial view at D in the middle;

[0033] Fig.11 For the present invention Fig. 9 Partial view at point E in the middle.

[0034] Marking Description:

[0035] 2-upper base, 3-lower base, 4-fan assembly, 11-motor body, 12-motor shaft, 14-transmission belt, 15-transmission shaft, 16-first transmission wheel, 17-second transmission wheel, 18-limiting platform, 21-motor accommodating part, 22-motor pressure cover, 23-limiting plate, 24-first limiting opening, 25-second limiting opening, 31-jack structure, 41-fan body, 42-fan shaft, 43-bearing mounting seat, 431-buckle structure, 44-transmission pulley, 45-bearing seat pressure cover. DETAILED DESCRIPTION

[0036] 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.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.

[0039] The terms "first" and "second" etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0040] The present embodiment provides a base assembly, including a base structure, a motor body 11, a motor shaft 12, a transmission belt 14, a first transmission wheel 16, at least one second transmission wheel 17 and a transmission shaft 15; the transmission shaft 15 is connected to the base structure, the motor body 11 is installed on the base structure, the transmission shaft 15 is parallel to the motor shaft 12, the first transmission wheel 16 is connected to the motor shaft 12, the second transmission wheel 17 is connected to the transmission shaft 15, and the first transmission wheel 16 and the second transmission wheel 17 are connected through the transmission belt 14.

[0041] It should be noted that the base structure may have only one base, or may include a detachably connected upper base 2 and a lower base 3. When the base assembly includes a detachably connected upper base 2 and a lower base 3, the motor body 11 and the transmission shaft 15 may be installed on the upper base 2 or the lower base 3 at the same time. The transmission shaft 15 may be integrally connected to the base structure, or may be rotatably connected to the base structure. The first transmission wheel 16 and the motor shaft 12 may be integrally connected, key-connected, or interference-fitted. The number of the transmission shaft 15 is the same as that of the second transmission wheel 17, and the transmission shaft 15 may have 1, 2, or 3, etc. During installation, the second transmission wheel 17 may be installed on the transmission shaft 15 in advance, and then the motor body 11 may be installed on the base structure, and then the transmission belt 14 may be respectively sleeved on the first transmission wheel 16 and all the second transmission wheels 17, and the transmission belt 14 may be respectively tensioned with the first transmission wheel 16 and all the second transmission wheels 17.

[0042] The advantage of such a configuration is that, by arranging the second transmission wheel 17 and the transmission shaft 15 on the base structure, arranging the first transmission wheel 16 on the motor, and tensioning the second transmission wheel 17 and the second transmission wheel through the transmission belt 14, when the motor drives the cross-flow fan, it is possible to avoid the motor shaft 12 being connected or limited in the axial direction of the motor shaft 12 with the cross-flow fan, and when the cross-flow fan is disassembled and cleaned, the motor does not need to be disassembled, thereby reducing the disassembly and assembly process. In addition, by arranging the transmission shaft 15 on the base structure, it is possible to avoid setting the transmission shaft 15 on the motor and making the motor.

[0043] like Figures 4 to 7 As shown, the base assembly also includes a fan assembly 4, which includes a fan body 41, a fan shaft 42 and a transmission pulley 44. The fan body 41 is installed on the base structure, the fan shaft 42 is arranged at one axial end of the fan body 41, the transmission pulley 44 is connected to the fan shaft 42, and the transmission pulley 44 is connected to the transmission belt 14 for transmission.

[0044] It should be noted that the fan body 41 can be a cross-flow fan blade, and the transmission pulley 44 and the fan shaft 42 can also be connected in one piece. During installation, the fan body 41 can be placed on the base of the air conditioner, and then the fan shaft 42 can be fixed, and then the motor can be fixed on the base, and the transmission pulley 44 acts on the transmission belt 14, and the transmission pulley 44 is concave toward the area surrounded by the transmission belt 14, so that the transmission belt 14 and the transmission pulley 44 are in tension. When the motor is running, it drives the transmission belt 14 to rotate, and then drives the fan shaft 42 to rotate through the transmission belt 14, so as to drive the fan body 41. At this time, the fan body 41 and the motor shaft 12 are not connected in the axial direction.

[0045] The advantage of such a configuration is that the fan body 41 is driven by the tensioned cooperation between the drive pulley 44 and the drive belt 14, and the fan is driven by the drive belt, which places lower requirements on the installation accuracy of the motor and the fan. Even when large installation errors occur in the motor and the fan, the transmission of the motor and the fan can be guaranteed.

[0046] like Figures 5 to 8 As shown, the transmission pulley 44 is in tension with the inner or outer circumferential surface of the transmission belt 14. When the fan body 41 is disassembled, the fan assembly 4 can be directly lifted, and the transmission relationship between the fan assembly 4 and the belt transmission mechanism is released. In addition, the transmission pulley 44 is in tension with the outer circumferential surface of the transmission belt 14, which can make better use of the space enclosed by the transmission belt, and avoid the transmission belt 14 protruding when the transmission pulley 44 is in tension with the inner circumferential surface of the transmission belt 14, resulting in a waste of space.

[0047] like Figure 8 As shown, the angles between the center of the drive pulley 44 and the lines connecting the centers of the first drive wheel 16 and the second drive wheel 17 are between 120 degrees and 180 degrees. The angles between the center of the drive pulley 44 and the lines connecting the centers of the first drive wheel 16 and the second drive wheel 17 can be 120 degrees, 135 degrees, 150 degrees or 180 degrees. By limiting the angles between the center of the drive pulley 44 and the lines connecting the centers of the first drive wheel 16 and the second drive wheel 17, it is avoided that the angle is too small to cause slippage between the drive belt 14 and the drive pulley 44, resulting in reduced transmission efficiency.

[0048] like Figure 8As shown, the diameter of the second transmission wheel 17 is greater than the diameter of the first transmission wheel 16. Here, the first transmission wheel 16 is a driving wheel, and the second transmission wheel 17 is a driven wheel. In other words, the diameter of the driving wheel is smaller than the diameter of the driven wheel. The advantage of this arrangement is that the diameter of the driving wheel is smaller than the diameter of the driven wheel, which can reduce the transmission ratio of the transmission belt 14, reduce the rotation speed of the driven wheel, and reduce the wear between the transmission shaft 15 and the motor. In addition, the area of ​​the enclosed area of ​​the transmission belt can be increased, and the matching space between the transmission belt 14 and the fan shaft 42 can be increased.

[0049] like Figures 1 to 7 As shown, the base structure includes an upper base 2 and a lower base 3 that are detachably connected, the transmission shaft 15 is connected to the upper base 2 , the motor body 11 is installed on the upper base 2 , and the fan body 41 is installed on the lower base 3 .

[0050] It should be noted that the upper base 2 and the lower base 3 can be fastened and connected by buckles or screws, the upper base 2 has a position for installing the motor body 11, and the lower base 3 has a space for accommodating the fan body 1. When installing, first fix the motor body 11 to the upper base 2 through a fixing structure, then put the transmission belt 14 on the first transmission wheel 16 and all the second transmission wheels 17 respectively, and finally install the fan body 1 on the lower base 3, the transmission pulley 44 acts on the transmission belt 14, so that the transmission pulley 44 is concave to the area surrounded by the transmission belt 14, so that the transmission belt 14 and the transmission pulley 44 are tensioned and matched, and finally the lower base 3 is fixed to the upper base 2. When disassembling, the lower base 3 is directly separated from the upper base 2, and the fan body 1 can be directly taken out.

[0051] The advantage of such a configuration is that, by installing the fan assembly 4 on the lower base 3, and installing the motor body 11 and the transmission shaft 15 on the upper base 2, when the fan body 41 needs to be cleaned, the lower base 3 can be directly disassembled, the transmission pulley 44 and the transmission belt 14 are automatically separated, and the upper base 2 is still hung on the wall, and the motor body 11 can be avoided from being disassembled, reducing the disassembly and assembly process and avoiding unnecessary trouble. In addition, since there is inevitably an error in the connection between the upper base 2 and the lower base 3, and the motor is installed on the upper base, it is inevitable that the coaxiality between the motor shaft 12 and the fan shaft 42 is low, and the transmission belt drive method is adopted, when there is a large connection error between the upper base 2 and the lower base 3, the motor shaft 12 can be effectively avoided from being connected to the fan shaft 42 on the coaxial line, ensuring the normal operation between the motor and the fan.

[0052] like Figure 6 and Figure 7 As shown, the base assembly also includes a motor cover 22, a motor accommodating portion 21 is opened on the upper base 2, the motor body 11 is at least partially accommodated in the motor accommodating portion 21, the motor cover 22 is covered on the motor body 11, the motor cover 22 and the motor accommodating portion 21 together form a space for installing the motor body 11, and the motor cover 22 is detachably connected to the upper base 2.

[0053] It should be noted that the motor gland 22 and the upper base 2 can be connected by screws or snaps. When the motor gland 22 and the motor accommodating portion 21 enclose the motor body 11, the motor shaft 12 is exposed from the motor accommodating portion 21. The motor accommodating portion 21 matches the circumferential contour of the motor body 11. The contour of the motor gland 22 close to one end of the motor body 11 also matches the circumferential contour of the motor body 11. When installing the air conditioner, first put the motor body 11 into the motor accommodating portion 21, and then press the motor gland 22 onto the motor body 11. By fixing the motor gland 22 to the upper base 2, the motor body 11 is fixed.

[0054] Therefore, the motor body 11 is installed on the upper base 2 through the detachable connection between the motor cover 22 and the upper base 2. When the fan is disassembled and cleaned, the motor body 11 is fixed to the upper base 2 through the motor cover 22 to prevent the motor body 11 from falling. At the same time, the motor body 11 can also be tightened to prevent the motor body 11 from shifting when the transmission belt 14 and the transmission pulley 44 are tensioned.

[0055] like Figure 7 As shown, a limiting platform 18 is provided on the motor body 11 , a first limiting opening 24 is provided on the upper base 2 , and a second limiting opening 25 is provided on the motor gland 22 . The first limiting opening 24 and the second limiting opening 25 together form a limitation on the limiting platform 18 .

[0056] It should be noted that the upper base 2 includes a limit plate 23, on which the first limit opening 24 is formed, and the shape of the area enclosed by the first limit opening 24 and the second limit opening 25 is the same as the shape of the cross section of the limit platform 18. The cross-sectional shape of the limit platform 18 can be rectangular, elliptical, waist-shaped or other non-circular structures. When the motor body 11 is installed on the upper base 2, the first limit opening 24 and the second limit opening 25 work together to limit the limit platform 18, thereby preventing the motor body 11 from rotating and causing the transmission belt 14 to deflect.

[0057] like Figures 9 to 11 As shown, the base assembly also includes a bearing and a bearing mounting seat 43 for mounting the bearing, the fan shaft 42 is inserted into the bearing, and the bearing mounting seat 43 is detachably connected to the lower base 3.

[0058] It should be noted that the bearing is used to cooperate with the fan shaft 42 to reduce the rotational friction between the fan shaft 42 and the bearing mounting seat 43. The bearing mounting seat 43 is provided with a bearing accommodating portion, and the bearing is embedded in the bearing accommodating portion. The bearing mounting seat 43 is provided with a buckle structure 431, and the lower base 3 is provided with a socket structure 31 that cooperates with the buckle structure 431. The buckle structure 431 is engaged with the socket structure 31. When installing, first install the bearing in the bearing accommodating portion, then pass the fan shaft 42 through the bearing, and finally install the crossflow fan blade together with the bearing mounting seat 43 on the lower base 3.

[0059] The advantage of such a configuration is that, by detachably connecting the bearing mounting seat 43 to the lower base 3 , the crossflow fan blades can be fixed while being easily disassembled and cleaned.

[0060] like Figures 9 to 11As shown, the base assembly further includes a bearing seat pressure cover 45, which is covered on the bearing mounting seat 43, and the bearing seat pressure cover 45 is detachably connected to the lower base 3. The bearing seat pressure cover 45 can be connected to the lower base 3 by snapping or screwing, and the shape of one end of the bearing seat pressure cover 45 close to the bearing mounting seat 43 matches the profile of the bearing mounting seat 43. When the bearing seat pressure cover 45 is installed on the lower base 3, the bearing seat pressure cover 45 is further pressed on the bearing mounting seat 43, so that the bearing seat pressure cover 45 fits the bearing mounting seat 43, and at the same time, the bearing seat pressure cover 45 is connected to the lower base 3, so as to further reinforce the bearing mounting seat 43, avoid the shaking of the bearing mounting seat 43, and also avoid the deflection of the fan body 41 when the transmission belt 14 and the transmission pulley 44 are tightened.

[0061] The present invention provides an air conditioner, comprising any of the above-mentioned base assemblies. The air conditioner has the same beneficial effects as the base assembly, which will not be described in detail here.

[0062] 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 base assembly, characterized in that: The invention comprises a base structure, a motor body (11), a motor shaft (12), a transmission belt (14), a first transmission wheel (16), at least one second transmission wheel (17), a transmission shaft (15) and a fan assembly (4); the transmission shaft (15) is connected to the base structure, the motor body (11) is mounted on the base structure, the first transmission wheel (16) is connected to the motor shaft (12), the second transmission wheel (17) is connected to the transmission shaft (15), and the first transmission wheel (16) and the second transmission wheel (17) are connected to each other. The fan assembly (4) comprises a fan body (41), a fan shaft (42) and a transmission pulley (44); the fan body (41) is mounted on the base structure; the fan shaft (42) is arranged at one axial end of the fan body (41); the transmission pulley (44) is connected to the fan shaft (42); the transmission pulley (44) is transmission-connected to the transmission belt (14); the transmission pulley (44) is tensionedly matched with the circumferential inner surface or outer surface of the transmission belt (14).

2. The base assembly according to claim 1, characterized in that: The diameter of the second transmission wheel (17) is greater than the diameter of the first transmission wheel (16).

3. The base assembly according to claim 1, characterized in that: The base structure comprises an upper base (2) and a lower base (3) which are detachably connected, the transmission shaft (15) is connected to the upper base (2), the motor body (11) is mounted on the upper base (2), and the fan body (41) is mounted on the lower base (3).

4. The base assembly according to claim 3, characterized in that: The motor cover (22) is also included. The upper base (2) is provided with a receiving portion (21). The motor body (11) is at least partially received in the receiving portion (21). The motor cover (22) is covered on the motor body (11). The motor cover (22) and the receiving portion (21) together form a space for installing the motor body (11). The motor cover (22) is detachably connected to the upper base (2).

5. The base assembly according to claim 4, characterized in that: A limiting platform (18) is arranged on the motor body (11), a first limiting opening (24) is provided on the upper base (2), and a second limiting opening (25) is provided on the motor gland (22), wherein the first limiting opening (24) and the second limiting opening (25) together form a limit on the limiting platform (18).

6. The base assembly according to claim 3, characterized in that: It also includes a bearing and a bearing mounting seat (43) for mounting the bearing, the fan shaft (42) is inserted into the bearing, and the bearing mounting seat (43) is detachably connected to the lower base (3).

7. The base assembly according to claim 6, characterized in that: It also includes a bearing seat pressure cover (45), wherein the bearing seat pressure cover (45) is disposed on the bearing mounting seat (43), and the bearing seat pressure cover (45) is detachably connected to the lower base (3).

8. An air conditioner, characterized in that: It comprises the base assembly described in any one of claims 1-7.

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