Fan blade fixing structure and air conditioner

Abstract

The application provides a fan blade fixing structure and an air conditioner. The fan blade fixing structure comprises a power output shaft, a fan blade and a buckle assembly. The power output shaft is provided with a fixing groove at one end. The fan blade is provided with a shaft sleeve, and the shaft sleeve is sleeved on the power output shaft. The buckle assembly is provided with a clamping hole which is clamped to the fixing groove. The size of the clamping hole is adjustable. The application can solve the technical problem of low dismounting efficiency between the fan blade and the motor shaft.

Description

TECHNICAL FIELD

[0001] The present application relates to the air conditioning technical field, specifically, a kind of fan blade fixing structure and air conditioner. BACKGROUND

[0002] At present, the common connection mode for the connection between the fan blade of outdoor unit in air conditioner market and motor shaft is as follows: fixed pin is arranged on the motor shaft, the rotation of the motor driven fan blade is realized by the cooperation between the fixed pin and the clamping groove arranged on the fan blade; further, the end of the motor shaft is arranged as a groove structure, and the fan blade and the groove of the end of the motor shaft are fixed by screw.

[0003] However, the fixing mode of screw between the fan blade and the motor shaft is relatively single, and the speed of screwing and unscrewing is slow during the installation and disassembly of the fan blade and the motor shaft, which requires a long time and further reduces the installation and disassembly efficiency. SUMMARY

[0004] The present application can solve the technical problem of low installation and disassembly efficiency between the fan blade and the motor shaft.

[0005] To solve the above problems, the present application provides a fan blade fixing structure, which comprises: a power output shaft having a fixed groove at one end; a fan blade provided with a shaft sleeve, and the shaft sleeve is sleeved on the power output shaft; a buckle assembly provided with a clamping hole, and the clamping hole is clamped to the fixed groove; wherein the size of the clamping hole is adjustable.

[0006] Compared with the prior art, the technical effects achieved by adopting the technical scheme are as follows: the setting of the buckle assembly realizes the fixation between the fan blade and the power output shaft, the installation and disassembly between the power output shaft and the fan blade can be realized by adjusting the size of the clamping hole, the installation and disassembly time between the fan blade and the power output shaft is saved during the process, and the installation and disassembly efficiency is improved.

[0007] Further, in one embodiment of the present application, the buckle assembly comprises: a first bracket and a second bracket, the first bracket and the second bracket are each provided with at least one elastic piece fixing position; an elastic piece connected between the elastic piece fixing position of the first bracket and the elastic piece fixing position of the second bracket.

[0008] Compared with the prior art, the technical effects achieved by adopting the technical scheme are as follows: the elastic piece is connected between the first bracket and the second bracket, the installation and disassembly of the power output shaft can be realized by the compression of the elastic piece, the fixation of the power output shaft is realized by the resetting action of the elastic piece, the installation and disassembly time between the fan blade and the output shaft is sufficiently reduced during the process, and damage to the output shaft and the fan blade during installation and disassembly is avoided.

[0009] Further, in an embodiment of the present application, the first limiting member is arranged on the first support; the second limiting member is arranged on the second support; wherein the first limiting member and the second limiting member form the clamping hole, and the first support and the second support are relatively movable, and the size of the clamping hole is adjusted during the movement.

[0010] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: through the arrangement of the first limiting member and the second limiting member, the size of the clamping hole is adjusted, and further, the power output shaft is fixed.

[0011] Further, in an embodiment of the present application, the first support and the second support are arranged in a stacked manner, the first support is provided with a first movable space, and the second support is provided with a second movable space; wherein the first limiting member moves in the second movable space, and the second limiting member moves in the first movable space.

[0012] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the arrangement of the first movable space and the second movable space provides a movable range for the first limiting member and the second limiting member, and according to the size of the first movable space and the second movable space, the maximum opening of the clamping hole can be adjusted.

[0013] Further, in an embodiment of the present application, the buckle assembly further comprises: a fixing seat provided with a first buckle and detachably connected to the fan blade, the fixing seat is further provided with a support mounting space, and the first support and the second support are mounted to the support mounting space.

[0014] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the first buckle arranged on the fixing seat realizes the detachable connection between the buckle assembly and the fan blade, and further, the first support and the second support are arranged on the fixing seat, so that the power output shaft is fixed.

[0015] Further, in an embodiment of the present application, the buckle assembly further comprises: a buckle cover provided with a second buckle, the second buckle can cooperate with a third buckle arranged on the fixing seat to realize the closure of the support mounting space by the buckle cover.

[0016] Compared with the prior art, the technical effects achieved by the technical scheme are that the buckle cover is arranged to close the support mounting space, the problem that the elastic member is popped out of the fixing seat when the elasticity is large is avoided, and the first support and the second support are effectively protected.

[0017] Further, in an embodiment of the application, the fixing seat is further provided with a third limiting member and a fourth limiting member; the third limiting member limits the maximum range of movement of the first support; and the fourth limiting member limits the maximum range of movement of the second support.

[0018] Compared with the prior art, the technical effects achieved by the technical scheme are that the third limiting member and the fourth limiting member are arranged to limit the movement ranges of the first support and the second support, the elastic member is prevented from falling from the first support and the second support due to the large movement ranges of the first support and the second support, and the influence on the rotation of the fan blade is reduced.

[0019] Further, in an embodiment of the application, the buckle assembly further comprises a first pressing portion arranged at one end of the first support and a second pressing portion arranged at one end of the second support; the first pressing portion and the second pressing portion can realize the connection and separation between the fan blade and the power output shaft.

[0020] Compared with the prior art, the technical effects achieved by the technical scheme are that the first pressing portion, the second pressing portion and the elastic member are matched to adjust the opening size of the clamping hole, the mounting and dismounting efficiency between the power output shaft and the fan blade is further improved, and the assembly time is reduced.

[0021] Further, in an embodiment of the application, the power output shaft is provided with a fixing pin, the shaft sleeve is provided with a clamping groove, and the fixing pin and the clamping groove are matched and clamped.

[0022] Compared with the prior art, the technical effects achieved by the technical scheme are that the fixing pin and the clamping groove are matched to realize the purpose that the power output shaft drives the rotation of the fan blade.

[0023] Further, an air conditioner is also provided in an embodiment of the application, and the air conditioner is provided with the fan blade fixing structure in the above-mentioned embodiments.

[0024] Compared with the prior art, the technical scheme has the following technical effects:

[0025] In summary, the technical scheme of the present application can achieve the following technical effects:

[0026] i) The fixing groove and the clamping hole are arranged to fix the power output shaft and the fan blade, the size of the clamping hole is adjusted to assemble and disassemble the power output shaft and the fan blade, the buckle assembly is arranged to save the assembly and disassembly time of the fan blade and the power output shaft, and the assembly and disassembly efficiency is improved.

[0027] ii) The arrangement of the buckle cover protects the first support and the second support, and prevents the first support and the second support from falling off due to the elasticity of the elastic member during rotation of the fan blade.

[0028] iii) The arrangement of the third limiting member and the fourth limiting member limits the movement range of the first support and the second support, thereby effectively reducing the influence of the first support and the second support on the rotation of the fan blade. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0030] Figure 2 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 1 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0031] Figure 3 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 1 An exploded view of the fan blade fixing structure 100 is shown.

[0032] Figure 4 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 3 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0033] Figure 5 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 4 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0034] Figure 6 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 4 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0035] Figure 7 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided. Figure 5 A structure diagram of a fan blade fixing structure 100 according to the first embodiment of the present application is provided.

[0036] Figure 8 Fig. 2 is a structural schematic view of the buckle cover 22. Figure 3 Fig. 3 is a structural schematic view of the buckle cover 22 when matched with the fixing seat 21.

[0037] Figure 9 Fig. 4 is a structural schematic view of the buckle cover 22 when matched with the fixing seat 21.

[0038] Figure 10 Fig. 5 is a structural schematic view of the power part 10. Figure 3 Fig. 6 is a structural schematic view of the power part 10.

[0039] Figure 11 Fig. 7 is a structural schematic view of the connection between the fan blade 30 and the power output shaft 11.

[0040] Figure 12 Fig. 8 is a structural schematic view of the fan blade 30. Figure 11 Fig. 9 is an enlarged view of the circled part A.

[0041] Figure 13 Fig. 10 is a structural schematic view of the fan blade 30 at another angle.

[0042] Figure 14 Fig. 11 is an enlarged view of the circled part B. Figure 13 Fig. 12 is an enlarged view of the circled part C.

[0043] Figure 15 Fig. 13 is a structural schematic view of the connection between the power part 10 and the fan blade 30.

[0044] Figure 16 Fig. 14 is an enlarged view of the circled part D. Figure 15 Fig. 15 is an enlarged view of the circled part E.

[0045] Legend of reference signs:

[0046] 100 - fan blade fixing structure; 10 - power part; 11 - power output shaft; 12 - fixing pin; 13 - fixing groove; 20 - buckle assembly; 21 - fixing seat; 211 - first limiting part; 212 - third limiting member; 213 - fourth limiting part; 214 - third buckle; 215 - second limiting part; 216 - bottom plate; 217 - first shaft hole; 218 - first buckle; 22 - buckle cover; 221 - second buckle; 222 - reinforcing rib; 213 - second shaft hole; 23 - first support; 231 - first boss; 232 - first elastic member fixing position; 233 - second boss; 234 - third elastic member fixing position; 235 - first movable space; 236 - first limiting member; 237 - first pressing part; 24 - second support; 241 - third boss; 242 - second elastic member fixing position; 243 - fourth boss; 244 - fourth elastic member fixing position; 245 - second movable space; 246 - second limiting member; 247 - second pressing part; 25 - elastic member; 26 - clamping hole; 30 - fan blade; 31 - shaft sleeve; 311 - clamping groove. DETAILED DESCRIPTION

[0047] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, specific embodiments of the present application are described in detail below with reference to the accompanying drawings. In the description of the present application, it should be understood that the terms "transverse", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0048]

First embodiment

[0049] Referring to Figures 1-3 , the first embodiment of the present application provides a blade fixing structure 100, which comprises, for example: a power part 10, a blade 30 and a buckle assembly 20; wherein the buckle assembly 20 is arranged on the blade 30, the power part 10 is provided with a power output shaft 11, one end of the power output shaft 11 passes through the blade 30 and is connected to the buckle assembly 20; the power part 10 can be a motor or the like, and when the motor rotates, the blade 30 can be driven to rotate by the power output shaft 11.

[0050] Preferably, the buckle assembly 20 comprises: a fixing seat 21, a buckle cover 22, a first support 23 and a second support 24; wherein the fixing seat 21 is detachably mounted on the side of the blade 30 away from the power part 10, the buckle cover 22 is arranged on the fixing seat 21, and the first support 23 and the second support 24 are mounted between the buckle cover 22 and the fixing seat 21.

[0051] Further, referring to Figure 4 , the first support 23 and the second support 24 are arranged in a stacked manner, and the first support 23 and the second support 24 are arranged to form a clamping hole 26, and the first support 23 and the second support 24 are relatively movable; further, the buckle assembly 20 further comprises: a resilient member 25; the resilient member 25 is connected between the first support 23 and the second support 24, and the relative movement between the first support 23 and the second support 24 can be adjusted by the elasticity of the resilient member 25, that is, the size of the opening of the clamping hole 26 can be adjusted by the resilient member 25; for example, the resilient member 25 can be a spring.

[0052] Preferably, referring to Figure 5The fixed seat 21 comprises a bottom plate 216, a first limiting part 211 and a second limiting part 215 arranged outside the bottom plate 216, and a bracket mounting space is formed by the bottom plate 216, the first limiting part 211 and the second limiting part 215, and the first bracket 23 and the second bracket 24 are mounted in the bracket mounting space; and the first limiting part 211 and the second limiting part 215 are arranged to limit the first bracket 23 and the second bracket 24, so as to avoid the first bracket 23 and the second bracket 24 from being popped out due to the large elasticity of the elastic member 25; it should be noted that the first bracket 23, the second bracket 24 and the fixed seat 21 can be separately arranged, at this time, it can be considered that the first bracket 23 and the second bracket 24 can simultaneously move; or the first bracket 23 and the fixed seat 21 can be integrated, or the second bracket 24 and the fixed seat 21 can be integrated, at this time, it can be considered that the opening size of the clamping hole 26 is adjusted by the movement of the first bracket 23 or the second bracket 24.

[0053] Preferably, the first bracket 23 and the second bracket 24 are each provided with at least one elastic member fixing position, and the elastic member 25 is fixed between the elastic member fixing position of the first bracket 23 and the elastic member fixing position of the second bracket 24; of course, in order to ensure the stability of the first bracket 23 and the second bracket 24 during movement and improve the elasticity between the first bracket 23 and the second bracket 24, two elastic member fixing positions are arranged on the first bracket 23 and the second bracket 24, and correspondingly, the elastic member 25 is provided with two elastic member fixing positions.

[0054] Specifically, the first bracket 23 and the second bracket 24 are each provided with at least one boss, and the number of the bosses corresponds to the number of the elastic member fixing positions; when the first bracket 23 and the second bracket 24 are each provided with two elastic member fixing positions, the first bracket 23 and the second bracket 24 are correspondingly provided with two bosses, as shown in FIG. 4. Figure 6 The first bracket 23 comprises a first boss 231, a second boss 233, a first elastic member fixing position 232 and a third elastic member fixing position 234; the first boss 231 and the second boss 233 are protruding blocks formed on both sides of the first bracket 23, the first elastic member fixing position 232 is located on the first boss 231, and the third elastic member fixing position 234 is located on the second boss 233; similarly, the second bracket 24 is provided with a third boss 241, a fourth boss 243, a second elastic member fixing position 242 and a fourth elastic member fixing position 244, and the bosses and the elastic member fixing positions arranged on the second bracket 24 are consistent with the structure of the first bracket 23, which will not be described here; for example, when the elastic member 25 is a spring, the elastic member fixing position can be a support rod structure arranged on the boss, and the two ends of the spring are respectively sleeved outside the support rod.

[0055] It should be noted that the first support 23 and the second support 24 are provided with only one elastic piece fixing position, that is, the first elastic piece fixing position 232 of the first support 23 and the second elastic piece fixing position 242 of the second support 24 cooperate to realize the installation of the elastic piece 25; when the first support 23 and the second support 24 are provided with only one elastic piece fixing position, the first support 23 and the second support 24 are provided with only one boss, and the boss is located at the upper middle position of the first support 23 and the second support 24; the number of the boss and the elastic piece fixing position can be determined according to actual needs, which is not limited here.

[0056] Preferably, referring again to Figures 4-6 , the first support 23 is further provided with a first limiting piece 236 and a first pressing part 237, and the first limiting piece 236 and the first pressing part 237 are located at both ends of the first support 23; correspondingly, the second support 24 is provided with a second limiting piece 246 and a second pressing part 247, and the second limiting piece 246 and the second pressing part 247 are also located at both ends of the second support 24; the first support 23 and the second support 24 are stacked, and the first limiting piece 236 and the second limiting piece 246 form a clamping hole 217, and the opening size of the clamping hole 26 can be adjusted by extrusion of the first pressing part 237 and the second pressing part 247; it should be noted that the first pressing part 237 and the second pressing part 247 can be pressed at the same time, or only the first pressing part 237 or the second pressing part 247 can be pressed.

[0057] Further, when the first support 23 and the second support 24 are installed on the fixed seat 21, the second support 24 is located above the first support 23, at this time, the first limiting piece 236 is a protrusion formed upward at one end of the first support 23, and the second limiting piece 246 is a protrusion formed downward at one end of the second support 24, and the two protrusions of the first limiting piece 236 and the second limiting piece 246 form the clamping hole 26.

[0058] Preferably, the first support 23 is provided with a first movable interval 235, and the second support 24 is provided with a second movable interval 245, and in the movement process of the first support 23 and the second support 24, the first limiting piece 236 can move in the second movable interval 245, and the second limiting piece 246 can move in the first movable interval 235.

[0059] Further, the fixing base 21 further comprises a third limiting piece 212 and a fourth limiting piece 213; through cooperation between the third limiting piece 212 and the first boss 231 and the second boss 233, the right movement range of the first support 23 is limited, so that the first support 23 is prevented from being elastically moved rightward from the fixing base 21 due to the large elasticity of the spring 25; correspondingly, cooperation between the fourth limiting piece 213 and the third boss 241 and the fourth boss 243 prevents the second support 24 from being elastically moved leftward from the fixing base 21.

[0060] Preferably, referring to Figure 7 , the fixing base 21 further comprises at least one first buckle 218 and a first shaft hole 217; the first shaft hole 217 is arranged in the middle of the fixing base 21 and corresponds to the clamping hole 26; and the at least one first buckle 218 is arranged on the side of the fixing base 21 away from the buckle cover 22, so that the detachable connection between the fixing base 21 and the fan blade 30 can be achieved through the first buckle 218.

[0061] Further, referring to Figure 5 and Figure 8 , the side of the fixing base 21 connected to the buckle cover 22 is further provided with at least one third buckle 214, and correspondingly, the buckle cover 22 is provided with at least one second buckle 221, so that the installation and disassembly between the fixing base 21 and the buckle cover 22 can be achieved through the second buckle 221 and the third buckle 214, and meanwhile, the second buckle 221 is provided with a reinforcing rib 222 to strengthen the connection strength between the buckle cover 22 and the fixing base 21; and the buckle cover 22 is further provided with a second shaft hole 223, so that when the power output shaft 11 is relatively long, one end of the power output shaft 11 can sequentially pass through the first shaft hole 217 and the second shaft hole 223 and be exposed outside the buckle assembly 20.

[0062] Preferably, referring to Figure 9 , when the fixing base 21 and the buckle cover 22 are cooperatively clamped, the first pressing part 237 of the first support 23 and the second pressing part 247 of the second support 24 are exposed outside the fixing base 21; and it can be understood that under the premise that the buckle cover 22 and the fixing base 21 are not disassembled, the separation and disassembly between the fan blade 30 and the power output shaft 11 can be achieved through pressing of the first pressing part 237 and the second pressing part 247.

[0063] Preferably, referring to Figures 10-12, the power output shaft 11 is provided with a fixed groove 13; when the fan blade 30 is connected with the power output shaft 11, the fixed groove 13 and the clamping hole 26 form cooperation, the first limiting piece 236 and the second limiting piece 246 are clamped on the fixed groove 13; when the power output shaft 11 is separated from the fan blade 30, only the first pressing part 237 and the second pressing part 247 are pressed to the inside, under the action of the elastic piece 25, the opening of the clamping hole 26 is increased, at this time, the fixed groove 13 and the clamping hole 26 are separated, thereby the disassembly of the power output shaft 11 and the fan blade 30 is completed; similarly, when the fan blade 30 is connected with the power output shaft 11, the first pressing part 237 and the second pressing part 247 are first pressed to the inside, at this time, the opening of the clamping hole 26 is increased due to the compression of the elastic piece 25, when the fixed groove 13 of the power output shaft 11 reaches the position of the clamping hole 26, the fixed groove 13 is clamped in the position of the clamping hole 26 due to the reset of the elastic piece 25, thereby the connection between the power output shaft 11 and the fan blade 30 is realized.

[0064] Further, by setting the fixed groove 13 and the clamping hole 26, the fixing between the power output shaft 11 and the fan blade 30 is realized, by adjusting the size of the clamping hole 26, the assembly and disassembly between the power output shaft 11 and the fan blade 30 is realized, and during the assembly and disassembly of the power output shaft 11 and the fan blade 30, the assembly and disassembly time between the fan blade 30 and the power output shaft 11 is saved due to the setting of the elastic piece 25, further the assembly and disassembly efficiency is improved.

[0065] Preferably, referring to Figure 10 and Figures 13-16 , the power output shaft 11 is further provided with a fixed pin 12, the fan blade 30 is provided with a shaft sleeve 31, the shaft sleeve 31 is sleeved on the outside of the power output shaft 11, and the clamping groove 311 is further arranged on the shaft sleeve 31; the clamping groove 311 is a recess formed inwardly on the end of the shaft sleeve 31, when the power output shaft 11 is connected with the fan blade 30, the fixed pin 12 is clamped in the clamping groove 311, when the power output shaft 11 rotates, the fixed pin 12 can drive the rotation of the shaft sleeve 31, thereby the purpose of driving the rotation of the fan blade is further realized.

[0066]

Second embodiment

[0067] The second embodiment of the application provides an air conditioner, the air conditioner is provided with the fan blade fixing structure 100 in the above embodiment, by setting the fan blade fixing structure 100, the connection between the fan blade and the motor in the air conditioner is realized.

[0068] Further, after the fan blade fixing structure 100 in the above embodiment is installed, the air conditioner has all the technical features and all the beneficial effects of the fan blade fixing structure 100 in the above embodiment, which will not be repeated here.

[0069] Although the present application has been disclosed with reference to the above embodiments, the application is not limited to the above embodiments. It will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the spirit and scope of the application. The scope of the application should be limited only by the appended claims.

Claims

1. A fan blade fixing structure, characterized in that, The utility model relates to a wind turbine blade fixing device, including: A power output shaft (11) is provided with a fixed groove (13) at one end; Blade (30) is provided with shaft sleeve (31), and the shaft sleeve (31) is sleeved on the power output shaft (11); Buckle assembly (20) is provided with the clamping hole (26), and the clamping hole (26) is clamped to the fixed groove (13); Wherein, the size of the clamping hole (26) can be adjusted; The buckle assembly includes: first support (23) and second support (24), the first support (23) and the second support (24) are provided with at least one elastic piece fixed position; Elastic piece (25) is connected between the elastic piece fixed position of first support (23) and the elastic piece fixed position of second support (24);The buckle assembly further includes: First pressing portion (237) is arranged at one end of the first support (23); Second pressing portion (247) is arranged at one end of the second support (24); Wherein, the first pressing portion (237) and the second pressing portion (247) can realize the connection and separation between the blade (30) and the power output shaft (11);The first support (23) and the second support (24) are respectively provided with at least one boss, and the number of the boss corresponds to the number of the elastic piece fixed position.

2. The blade fixing structure according to claim 1, characterized in that, The buckle assembly further includes: First limiting piece (236) is arranged on the first support (23); Second limiting piece (246) is arranged on the second support (24); Wherein, the first limiting piece (236) and the second limiting piece (246) form the clamping hole (26), and the first support (23) and the second support (24) can be relatively moved, and the size adjustment of the clamping hole (26) is realized during the movement.

3. The blade fixing structure according to claim 2, characterized in that, The first support (23) and the second support (24) are stacked, the first support (23) is provided with a first movable space (235), and the second support (24) is provided with a second movable space (245); Wherein, the first limiting piece (236) moves in the second movable space (245), and the second limiting piece (246) moves in the first movable space (235).

4. The blade fixing structure according to claim 1, wherein The buckle assembly (20) further includes: Fixed seat (21) is provided with first buckle (218), and the first buckle (218) is detachably connected to the blade (30), and the fixed seat (21) is further provided with a support mounting space, and the first support (23) and the second support (24) are mounted to the support mounting space.

5. The blade fixing structure according to claim 4, characterized in that, The buckle assembly (20) further includes: Buckle cover (22) is provided with second buckle (221), and the second buckle (221) can cooperate with the third buckle (214) provided in the fixed seat (21) to realize the connection between the buckle cover (22) and the fixed seat (21).

6. The blade fixing structure according to claim 5, wherein The fixed seat (21) is further provided with third limiting piece (212) and fourth limiting piece (213); The third limiting piece (212) limits the maximum range of movement of the first support (23); The fourth limiting piece (213) limits the maximum range of movement of the second support (24).

7. The blade fixing structure according to any one of claims 1 to 6, wherein The power output shaft (11) is provided with a fixing pin (12), and the shaft sleeve (31) is provided with a clamping groove (311), and the fixing pin (12) is clamped with the clamping groove (311).

8. An air conditioner characterized by comprising: Comprising: The blade fixing structure (100) according to any one of claims 1-7.

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