Fan assembly and air conditioner outdoor unit

Abstract

The utility model relates to the technical field of air conditioners, and provides a draught fan assembly and an air conditioner outdoor unit, the draught fan assembly comprises a draught fan and a draught fan support, the draught fan support comprises a pair of support units, and the support units are used for bearing the draught fan; a fixing part is arranged on the support unit and comprises a fixing sleeve and a bolt, a fixing hole is formed in the surface of the support unit, the fixing sleeve is welded to the inner wall of the support unit in a sealed mode, a hole is formed in the upper portion of the fixing sleeve and communicated with the fixing hole, and the bolt penetrates through the fan and the fixing sleeve so that the fan can be fixed to the support unit. Compared with an integral fan support, the fan support has the advantages that the size of a single component is reduced, the component universality is high, non-universal components are few, and the die cost is reduced; due to the split type fan bracket, the universality of parts is improved, and the assembly and production complexity is reduced; effective fixed connection of the support unit and the fan is achieved through the fixing piece, high-strength fan unit design is achieved, the reliability of the air conditioner outdoor unit is effectively guaranteed, and the noise value is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field especially relates to a fan assembly and air conditioning outdoor unit. BACKGROUND

[0002] The air conditioner outdoor unit generally includes a casing and a fan and a heat exchanger arranged inside the casing, the fan is used to drive air to flow through the heat exchanger to realize heat exchange between outdoor air and the heat exchanger. In the air conditioner outdoor unit, especially in the large-matching number of casing products of the top air-out type outdoor unit, since the whole machine has a large demand for air volume, and the fan group is the largest component of the fan fan assembly, the strength and production convenience are required to be higher, there is sufficient strength to support and fix the fan, the fan and other components associated with the outdoor unit to ensure the reliability and stability of the outdoor unit operation.

[0003] With the increasing speed of the fan, the fan blade diameter of the fan is larger and larger, and the fan support is prone to deformation and cracking due to greater vibration and impact force, so it is necessary to increase the reinforcing support for reinforcement, resulting in a large number of components, high mold cost and complex production. SUMMARY

[0004] The utility model provides a fan assembly and air conditioning outdoor unit to solve at least one of the above problems in the prior art.

[0005] The utility model provides a fan assembly for an air conditioner, comprising:

[0006] A fan and a fan support;

[0007] The fan support comprises a pair of support units, and the support units are used to bear the fan; the support units are provided with fixing members, the fixing members comprise fixing sleeves and bolts, the support units are provided with fixing holes on the surfaces, the fixing sleeves are sealingly welded to the inner walls of the support units, the upper openings of the fixing sleeves are communicated with the fixing holes, and the bolts are arranged through the fan and the fixing sleeves to fix the fan on the support units.

[0008] The fan assembly provided by the utility model comprises a pair of support units, the support units jointly bear the fan, the support units are integrated with respect to the fan support, the volume of the components of the support units is reduced, the components have high universality, there are few non-universal components, and the mold cost is reduced; the split type fan support improves the component universality and reduces the assembly and production complexity. The two ends of each support unit are connected with the cross beams respectively; and each support unit is provided with a positioning structure and a fixing member, wherein the fixing sleeves and the bolts are used to connect the support units and the fan, the fixing members are used to realize the fastening connection between the support units and the fan, the effective fixing connection realizes the high-strength fan group design scheme, the reliability of the air conditioner outdoor unit is effectively ensured, the noise value is reduced, and the product competitiveness is improved.

[0009] According to the fan assembly, the diameter of the lower hole of the fixing sleeve is larger than the diameter of the upper hole, so that the fixing sleeve is convenient to install.

[0010] According to the fan assembly, the fixing sleeve is provided with an internal thread, so that the bolt is threadedly connected with the fixing sleeve, and stable connection is realized.

[0011] According to the fan assembly, the fan assembly further comprises a positioning structure, the positioning structure comprises a positioning sleeve, the axis of the positioning sleeve is perpendicular to the mounting surface of the fan, the center line of the sleeve forms a right angle with the mounting surface of the fan, and the fan can be kept in a horizontal position during installation, so that inclination or deviation is avoided.

[0012] According to the fan assembly, the support unit is a hollow pipe, and the two ends of the positioning structure are sealingly connected with the support unit, so that the inside of the support unit is sealed into a closed space, and rainwater is prevented from entering to cause rust.

[0013] According to the fan assembly, the support unit is a hollow pipe, and the two ends of the positioning structure are sealingly connected with the support unit, so that the inside of the support unit is sealed into a closed space, and rainwater is prevented from entering to cause rust.

[0014] The mounting portion has a rectangular cross section.

[0015] The pair of air guide portions are symmetrically arranged at the two ends of the mounting portion.

[0016] The pair of connecting portions are respectively arranged at one end of the air guide portion away from the mounting portion, and one end of the connecting portion away from the air guide portion is detachably connected with the cross beam.

[0017] By the above arrangement, the wind resistance can be effectively reduced, and the strength and rigidity of the support unit can be improved; meanwhile, compared with an integral structure, the split structure has smaller component volume, lower mold cost, and is convenient to disassemble and assemble.

[0018] According to the fan assembly, the windward surface of the air guide portion is a smooth arc, which helps to improve the air supply efficiency.

[0019] According to the fan assembly, the surface of the support unit is coated with an anticorrosive layer, so that the surface of the support unit is prevented from being corroded.

[0020] According to the fan assembly provided by the utility model, the section of the support unit along the length direction is in the shape of U, which ensures effective support for the fan.

[0021] The utility model further provides an air conditioner outdoor unit, including casing and fan assembly as described above, and the fan assembly is arranged in the inside of the casing.

[0022] The air conditioner outdoor unit provided by the utility model has the advantages of the fan assembly as described above. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to make the technical scheme in the utility model or prior art clearer, the following will briefly introduce the drawings needed in the embodiment or prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0024] Figure 1 It is the structural schematic view of the fan assembly provided by the utility model.

[0025] Figure 2 It is the structural schematic view of the support unit provided by the utility model.

[0026] Figure 3 It is the sectional view of the support unit provided by the utility model.

[0027] REFERENCE NUMERALS

[0028] 1, crossbeam;2, support unit;3, fan;4, positioning structure;5, fixing piece;21, mounting portion;22, air guide portion;23, connecting portion. DETAILED DESCRIPTION

[0029] In order to make the technical scheme in the utility model or prior art clearer, the following will briefly introduce the drawings needed in the embodiment or prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0030] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] The following is combined with Figures 1-3 This utility model describes a fan assembly for use in an air conditioner, used to achieve stable installation and efficient operation of the fan. The fan assembly includes a fan bracket and a fan 3.

[0032] like Figure 1 As shown, the fan bracket includes a pair of bracket units 2, which together support the fan 3. Compared to the integral structure of the fan bracket, the bracket unit 2 has a smaller volume, higher component commonality, fewer non-common parts, and lower mold costs. The split-type fan bracket improves component commonality and reduces assembly and production complexity. Each bracket unit 2 is connected to the crossbeam 1 at both ends. Each bracket unit 2 is equipped with a fixing component 5, which connects the bracket unit 2 and the fan 3. The fixing component 5 achieves a tight connection between the bracket unit 2 and the fan 3. Through effective fixing, a high-strength fan unit design is achieved, effectively ensuring the reliability of the air conditioner outdoor unit, reducing noise levels, and enhancing product competitiveness.

[0033] The fastener 5 includes a fixing sleeve and bolts. The surface of the support unit 2 is provided with fixing holes. The fixing sleeve is sealed and welded to the inner wall of the support unit 2, and the upper opening of the fixing sleeve is connected to the fixing holes. The bolts pass through the fan 3 and the fixing sleeve to fix the fan 3 to the support unit 2.

[0034] Each support unit 2 is also equipped with a fastener 5 for connecting the support unit 2 and the fan 3. The fastener 5 can be a bolt, nut, screw, or other fastener to ensure that the fan 3 can be firmly fixed to the support unit 2. When fixing the fan 3, the fastener 5 is used to tightly connect the fan 3 to the support unit 2.

[0035] Specifically, the fastener 5 includes a fixing sleeve and bolts. The surface of the support unit 2 is provided with fixing holes. The fixing sleeve is sealed and welded to the inner wall of the support unit 2, and the upper opening of the fixing sleeve is connected to the fixing holes. The bolts pass through the fan 3 and the fixing sleeve to fix the fan 3 on the support unit 2.

[0036] In a feasible embodiment of the utility model, the diameter of the lower opening of the fixing sleeve is larger than the diameter of the upper opening, so as to facilitate the installation of the fixing sleeve.

[0037] In a feasible embodiment of the utility model, the fixing sleeve is internally provided with internal threads, so that the bolt is threadedly connected with the fixing sleeve, thereby realizing stable connection.

[0038] As shown in Figure 2 and Figure 3 In a feasible embodiment of the utility model, the positioning structure 4 comprises a positioning sleeve, the axis of the positioning sleeve is perpendicular to the mounting surface of the fan 3, that is, the sleeve is provided in the form of a groove, the center line of the sleeve forms a right angle with the mounting surface of the fan 3, which helps to ensure that the fan 3 can maintain a horizontal position during installation, avoiding tilting or deviation. Generally, the fan 3 needs to be pre-positioned before installation, and the side of the fan 3 facing the fan support is provided with a protruding structure, and the sleeve is provided to be matched with the protruding structure, that is, the protruding structure is clamped in the sleeve, thereby realizing the pre-positioning of the fan 3, and the sleeve can also play a guiding role, ensuring that the fan 3 can be smoothly inserted into the sleeve during installation.

[0039] In a feasible embodiment of the utility model, a pair of cross beams 1 are further included, which are oppositely arranged and constitute the basic frame of the fan assembly. The cross beam 1 is usually made of high-strength, high-stability and corrosion-resistant materials, such as stainless steel or alloy steel, to ensure its structural stability and durability, and the specific length and cross-sectional size of the cross beam 1 can be customized according to the size and design requirements of the air conditioner.

[0040] Generally, two pairs of support units 2 can be arranged between the pair of cross beams 1, and each pair of support units 2 can support one fan 3, that is, in one fan assembly, there are two cross beams 1 and four support units 2, which has high universality and few non-universal components, and is effectively fixed into a fan group through screws.

[0041] Among them, the support unit 2 and the cross beam 1 can be connected vertically or non-vertically, and when the support unit 2 and the cross beam 1 are connected vertically, the length of the support unit 2 can be reduced. In addition, in order to increase the stability of the connection between the fan 3 and the support unit 2, the fan 3 has at least two connection points with each support unit 2.

[0042] Each support unit 2 is provided with a positioning structure 4. The main function of the positioning structure 4 is to pre-position the fan 3. Before the fan 3 is installed, the fan 3 can be preliminarily positioned on the support unit 2 through the positioning structure 4, thereby facilitating the subsequent fixing operation. The positioning structure 4 can adopt the forms of protrusion, groove, positioning pin, etc., and the specific form can be designed according to the shape and size of the fan 3.

[0043] The support unit 2 is a hollow pipe, is bored at the position corresponding to the installation position of the fan 3 and is placed with the positioning structure 4, and both ends of the positioning structure 4 are welded with the support unit 2, so that the inside of the support unit 2 is sealed into a closed space to prevent rainwater from entering and causing rust.

[0044] The positioning structure 4 can also be fixed with the support unit 2 through other reliable connection modes.

[0045] In another embodiment, the positioning structure 4 can also be integrally formed with the support unit 2, and the positioning structure is provided in a cylindrical shape with a closed bottom end and an open top end, and the top end is matched with the shape and position of the protruding structure at the fan 3.

[0046] In a feasible embodiment of the utility model, the support unit 2 is a hollow pipe, and the support unit 2 comprises an installation part 21, a pair of air guide parts 22 and a pair of connecting parts 23.

[0047] The cross section of the installation part 21 is rectangular, so that the upper top surface of the installation part 21 forms a plane, facilitating the installation of the fan 3.

[0048] The pair of air guide parts 22 are symmetrically arranged at both ends of the installation part 21, and the cross section of the air guide part 22 is circular, that is, the air guide part 22 is a circular pipe, and the area of the air guide part 22 is the fluid concentration area of the fan 3. By arranging the air guide part 22 as a circular pipe, the wind resistance can be effectively reduced while the strength and rigidity of the support unit 2 are improved, the wind resistance during the operation of the fan 3 is reduced, the generation of noise is reduced, and the air supply efficiency is improved.

[0049] The pair of connecting parts 23 are respectively arranged at one end of the air guide part 22 away from the installation part 21, and the end of the connecting part 23 away from the air guide part 22 is detachably connected with the cross beam 1, and the cross section of the end of the connecting part 23 close to the cross beam 1 is flat, that is, the connecting part 23 can be stamped after being flattened, which is equivalent to punching and tapping two layers of material, effectively ensuring the connection strength while minimizing the production cost, and the structure is simple, stable and reliable. In addition, compared with the integral structure, the split structure has smaller component volume, lower mold cost and is convenient to disassemble and assemble.

[0050] In a feasible embodiment of the utility model, the section of the support unit 2 along its length direction is in the shape of U, the mounting part 21 is usually located at the center or basic position of the support unit 2 and serves as the mounting and supporting point of other components. The air guide part 22 is located at both sides of the mounting part and mainly serves to guide the air flow or air current. The air guide part 22 needs to be set in a certain shape according to the specific application scene to ensure the smoothness and efficiency of the air current. Preferably, the air guide part 22 can be set in a curved shape. Specifically, the first end of the air guide part 22 is connected with the mounting part 21, the second end of the air guide part 22 extends obliquely downward to the end away from the mounting surface of the fan 3 and tends to be flat. The first end of the connecting part 23 is connected with the second end of the air guide part 22, and the second end of the connecting part 23 is connected with the cross beam 1. In order to facilitate the connection of the connecting part 23 with the cross beam 1, the second end of the connecting part 23 can also be provided with a turned-over edge.

[0051] In a feasible embodiment of the utility model, the surface of the support unit 2 is coated with an anticorrosive layer, which can prevent the surface of the support unit 2 from being corroded and significantly prolong the service life of the support unit 2 through the anticorrosive layer. Corrosion not only affects the appearance, but also can weaken the strength and performance of the material, thereby affecting the reliability and safety of the support unit 2. Specifically, the anticorrosive layer can be realized by powder spraying or other ways.

[0052] In summary, the fan assembly provided by the utility model comprises a cross beam 1, a support unit 2, a fan 3, a positioning structure 4 and a fixing part 5. The cross beam 1 is single-consumption two, the support unit 2 is single-consumption four, the general rate is high, and the non-universal components are few. The support unit 2 is a circular pipe, which is formed by die stamping. The support unit 2 is provided with a hole in the middle and a sleeve pipe is welded to the hole as the positioning structure 4. The support unit 2 is provided with a threaded nut column welded to the hole as the fixing part 5. The outer surface of the support unit 2 is powder sprayed to realize anticorrosion. The support unit 2 is in the shape of U and symmetrical at both ends, which can effectively improve the strength of the whole component.

[0053] The bracket unit 2 comprises a mounting portion 21, a pair of air guide portions 22 and a pair of connecting portions 23, the mounting portion 21 is rectangular in section, facilitating the installation of the fan 3. The windward surface of the air guide portion 22 is provided with a smooth arc shape, which can effectively reduce the wind resistance, improve the strength and rigidity of the bracket, reduce the wind resistance when the fan is running, reduce the generation of noise and improve the air supply efficiency. The top of the mounting portion 21 is provided with an opening, and the positioning structure 4 and the fixing member 5 are welded, so that the inside of the bracket unit is sealed into a closed space, preventing rainwater from entering to cause rust. In addition, the opening position of the fixing member 5 is that the upper opening is smaller and the lower opening is larger, and the upper and lower surfaces are welded to assemble the fan 3, the nut column in the upward stress direction is constrained by the upper plane of the mounting portion 21, thereby greatly enhancing the impact resistance of the bracket, and the upper and lower planes are fully welded and sealed, so that no rainwater enters the circular pipe cavity to cause rust. The connecting portion 23 is formed by stamping near the end of the cross beam 1 and is flat, and the two layers of material thickness are punched and threaded, which effectively ensures the connection strength while maximizing the reduction of production cost, and the structure is simple, stable and reliable.

[0054] The second aspect of the utility model provides a kind of air conditioner outdoor unit, including shell and fan assembly as described, and fan assembly is set in the inside of shell.

[0055] Since the air conditioner outdoor unit of the embodiment adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0056] In the description of the embodiments of the utility model, it should be explained that, unless there is explicit provision and limitation, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through intermediate medium.For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to specific circumstances.

[0057] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "way", "specific way" or "some ways" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or way are included in at least one embodiment or way of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or way. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or ways in a suitable way. In addition, those skilled in the art can combine and combine the different embodiments or characteristics of different embodiments or ways described in the present application without contradiction.

[0058] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fan assembly for an air conditioner, comprising: The fan assembly comprises: a fan (3) and a fan support, the fan support comprising a support unit (2) for carrying the fan (3); a fixing member (5) is arranged on the support unit (2), the fixing member comprising a fixing sleeve and a bolt, the support unit (2) is provided with a fixing hole, the fixing sleeve is sealingly welded to the inner wall of the support unit (2), and the upper opening of the fixing sleeve is in communication with the fixing hole, the bolt is arranged through the fan and the fixing sleeve to fix the fan on the support unit (2).

2. The fan assembly of claim 1, wherein, The diameter of the lower opening of the fixing sleeve is greater than that of the upper opening.

3. The fan assembly of claim 1 or 2, wherein, The fixing sleeve is provided with an internal thread to threadedly connect the bolt with the fixing sleeve.

4. The fan assembly of claim 1, wherein, The fan assembly further comprises a positioning structure (4), the positioning structure (4) comprising a positioning sleeve, the axis of the positioning sleeve being perpendicular to the mounting surface of the fan (3).

5. The fan assembly of claim 4, wherein, The support unit (2) is a hollow pipe, and the two ends of the positioning structure (4) are sealingly connected with the support unit (2).

6. The fan assembly of any one of claims 1-3, wherein, Further comprising a cross beam (1), the support unit is a hollow pipe, the support unit (2) comprising: a mounting portion (21) with a rectangular cross section; a pair of air guide portions (22) symmetrically arranged at the two ends of the mounting portion (21); a pair of connecting portions (23) respectively arranged at one end of the air guide portions (22) away from the mounting portion (21), one end of the connecting portions (23) away from the air guide portions (22) being detachably connected with the cross beam (1).

7. The fan assembly of claim 6, wherein, The windward surface of the air guide portion (22) is a smooth arc, and one end of the connecting portion (23) close to the cross beam (1) is flat.

8. The fan assembly of claim 5, wherein, The cross section of the support unit (2) along its length direction is in the shape of a Chinese character 'zh'.

9. The fan assembly of claim 1, wherein, The surface of the support unit (2) is coated with an anticorrosive layer.

10. An air conditioner outdoor unit characterized by comprising: The fan assembly of any one of claims 1-9 is arranged inside the machine shell.

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