CN214468979U

CN214468979U - Axial flow fan blade assembly and air conditioner

Info

Publication number: CN214468979U
Application number: CN202120172186.4U
Authority: CN
Inventors: 陈源谨; 张利; 邵家成; 罗文君; 丘晓宏; 林德贤
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-22
Anticipated expiration: 2031-01-21

Abstract

The application provides an axial flow fan blade subassembly and air conditioner. The axial flow fan blade assembly comprises blades (1), a mounting seat (2) and a driving mechanism, wherein the driving mechanism is mounted on the mounting seat (2), the blades (1) are connected with the driving mechanism and are switched between a first state and a second state under the driving action of the driving mechanism, when the blades (1) are in the first state, the blades (1) are opened, and when the blades (1) are in the second state, the adjacent blades (1) are closed at the adjacent side edges. According to the axial fan blade subassembly of this application, can utilize the axial fan blade to realize opening of wind gap and close the function, the foreign matter gets into outer machine when avoiding the grid hole too big.

Description

Axial flow fan blade assembly and air conditioner

Technical Field

The application relates to the technical field of air conditioning, in particular to an axial flow fan blade assembly and an air conditioner.

Background

In the current air conditioner industry, as the requirements of users on the use and quality of air conditioners are higher and higher, the development requirements of the air conditioners gradually develop towards the direction of maintenance after retail sale. In recent years, the outdoor unit enters foreign matters to cause abnormal operation of the air conditioner, and the complaints that the air conditioner needs to be repaired and sold are more and more.

At present, in the air conditioner in the market, the structure of the air outlet of the outdoor unit is a structure which prevents foreign matters from entering the outdoor unit in a grid mode, and the grid ensures that the foreign matters cannot enter the outdoor unit and the ventilation is normal as the air outlet of the outdoor unit is a heat dissipation function structure of the outdoor unit. The holes of the grill cannot be made too small, which may affect heat dissipation of the outer unit to cause problems such as degradation of air conditioning performance. If the holes of the grille are made too large, foreign matters can enter the external machine, and the external machine is abnormal in operation and the like.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing an axial fan blade subassembly and air conditioner, can utilize the axial fan blade to realize opening of wind gap and close the function, and the foreign matter gets into outer machine when avoiding the grid hole too big.

In order to solve the problems, the application provides an axial flow fan blade assembly which comprises blades, a mounting seat and a driving mechanism, wherein the driving mechanism is mounted on the mounting seat, the blades are connected with the driving mechanism and are switched between a first state and a second state under the driving action of the driving mechanism, when the blades are in the first state, the blades are opened, and when the blades are in the second state, the adjacent blades are closed at the adjacent side edges.

Preferably, when the blade is in the first state, the root installation angle of the blade on the mounting seat is greater than 0 ° and smaller than 90 °, and when the blade is in the second state, the root installation angle of the blade on the mounting seat is equal to 90 °.

Preferably, the blade is of a flat plate construction.

Preferably, the cross section of the mounting seat is circular, when the blade is in the first state, an included angle between the blade and the central axis of the mounting seat is 45-85 degrees, and when the blade is in the second state, the blade is perpendicular to the central axis of the mounting seat.

Preferably, when the vanes are in the second condition, adjacent vanes are brought together at abutting positions, the vanes combining to form a disc structure.

Preferably, the driving mechanism comprises a fluted disc and an adjusting gear, the fluted disc can be rotatably installed in the installation base, the adjusting gear is in meshing transmission with the fluted disc, the adjusting gear is connected with the blades, and the fluted disc adjusts the root installation angle of the blades on the installation base through the adjusting gear.

Preferably, the mounting seat is of a sleeve structure, a mounting hole is formed in the side wall of the mounting seat, and one end of the adjusting gear is mounted in the mounting hole.

Preferably, a connecting rod is arranged on one side of the blade facing the mounting seat, and the blade is connected with the adjusting gear through the connecting rod.

Preferably, the driving mechanism further comprises a motor, and an output end of the motor is connected with one of the adjusting gears and drives the fluted disc to rotate through the adjusting gear.

Preferably, the driving mechanism further comprises a motor and a driving gear, the driving gear is located between two adjacent adjusting gears, and the driving gear is installed at the output end of the motor and is in meshing transmission with the fluted disc.

According to another aspect of the application, an air conditioner is provided, which comprises the axial flow fan blade assembly.

Preferably, the air conditioner includes the casing, has seted up the air outlet on the casing, and axial compressor fan blade subassembly sets up in air outlet department, and air outlet department still is provided with the water conservancy diversion circle, and the water conservancy diversion circle is located axial compressor fan blade subassembly's periphery.

Preferably, the outer side cover of the axial flow fan blade assembly is provided with a grating.

The application provides an axial compressor fan blade subassembly, including blade, mount pad and actuating mechanism, actuating mechanism installs on the mount pad, and the blade is connected with actuating mechanism to switch between first state and second state under actuating mechanism's drive effect, when the blade is in the first state, the blade is opened, and when the blade is in the second state, adjacent blade is closed in adjacent side department. This axial compressor fan blade subassembly can be adjusted the blade according to operating condition, make the blade when axial compressor fan blade subassembly is in operating condition, can be in the first state, the blade is opened, use as normal axial compressor fan blade, realize the function of airing exhaust, when axial compressor fan blade subassembly is in the off-state, can be in the second state, adjacent blade is closed in adjacent side department, thereby make to connect gradually between each blade, form closed blade structure, and then utilize closed blade structure to seal the air outlet, avoid the clothing to enter into outer machine from the air outlet in, the security and the reliability that improve outer machine and use.

Drawings

Fig. 1 is an exploded structural view of an axial-flow fan blade assembly according to an embodiment of the present application;

fig. 2 is a first-state perspective structure view of an axial-flow fan blade assembly according to an embodiment of the present application;

fig. 3 is a second-state perspective structural view of the axial-flow fan blade assembly according to the embodiment of the present application;

fig. 4 is a first state structural view of an axial-flow fan blade assembly according to an embodiment of the present application;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4 at L;

FIG. 6 is an exploded view of an air conditioner according to an embodiment of the present application;

fig. 7 is an exploded view of an air conditioner according to an embodiment of the present application.

The reference numerals are represented as:

1. a blade; 2. a mounting seat; 3. a fluted disc; 4. an adjusting gear; 5. mounting holes; 6. a connecting rod; 7. a motor; 8. a drive gear; 9. a housing; 10. an air outlet; 11. a flow guide ring; 12. a grid.

Detailed Description

Referring to fig. 1 to 7 in combination, according to an embodiment of the present application, an axial-flow fan blade assembly includes a blade 1, a mounting base 2, and a driving mechanism, where the driving mechanism is mounted on the mounting base 2, the blade 1 is connected to the driving mechanism, and is switched between a first state and a second state under the driving action of the driving mechanism, when the blade 1 is in the first state, the blade 1 is opened, and when the blade 1 is in the second state, the adjacent blade 1 is closed at the adjacent side.

This axial compressor fan blade subassembly can adjust blade 1 according to operating condition, make blade 1 when axial compressor fan blade subassembly is in operating condition, can be in the first state, blade 1 opens, use as normal axial compressor fan blade, realize the function of airing exhaust, when axial compressor fan blade subassembly is in the stop condition, can be in the second state, adjacent blade 1 is closed in adjacent side department, thereby make and connect gradually between each blade 1, form closed blade 1 structure, and then utilize closed blade 1 structure to seal air outlet 10, avoid the clothing to enter into the outer machine from air outlet 10, improve the security and the reliability that outer machine used.

In addition, because axial compressor fan blade subassembly self of this application has the function that seals air outlet 10 and prevent the foreign matter entering, consequently need not to set up grid 12 in the air outlet outside also to possess the function that seals air outlet 10 for the size in grid 12's hole is unrestricted, can design as required, can increase the size in grid 12's hole, and increase air-out area reduces the hindrance of grid 12 to the air-out, improves the heat dissipation function of outer machine, and then improves the wholeness ability of air conditioner.

In one embodiment, the root setting angle of the blade 1 on the mount 2 is greater than 0 ° and less than 90 ° when the blade 1 is in the first state, and the root setting angle of the blade 1 on the mount 2 is equal to 90 ° when the blade 1 is in the second state. In this embodiment, when the blade 1 is in the first state, the axial-flow fan blade assembly needs to have the function of exhausting air at this time, and therefore the root installation angle of the blade 1 on the mounting base 2 needs to be neither parallel to the axis of the mounting base 2 nor perpendicular to the axis of the mounting base 2, so that each blade 1 can be located at a better blade position, and a good air exhausting effect is achieved.

In the actual working process, can confirm the best root erection angle of blade 1 when the air-out state according to the experiment in advance to the record is in the controller, just so can be when blade 1 is in the first state, control blade 1's adjustment state, make the root erection angle of best blade 1 be in the best state, make axial compressor fan blade subassembly have higher air-out efficiency, improve axial compressor fan blade subassembly's work efficiency.

When blade 1 is in the second state, can be so that the root erection angle between blade 1 and mount pad 2 equals 90, so, adjacent blade 1 is 90 in root erection angle basically, and the root position of adjacent blade 1 is located same plane basically, makes things convenient for all blades 1 to combine together more, forms confined structure, realizes the sealing function to the air outlet, effectively prevents the foreign matter entering.

In one embodiment, the blade 1 is a flat plate structure, so that the structure of the blade 1 is simpler and more convenient when the state is adjusted, the blade 1 can be smoothly switched between the first state and the second state only by adjusting an included angle between the flat plate structure and the central axis of the mounting seat 2, and particularly, when the blade 1 is in the second state, the adjacent blades 1 have a better matching relationship, so that a better sealing effect is formed.

The cross section of mount pad 2 is circular, when blade 1 is in first state, the contained angle between the central axis of blade 1 and mount pad 2 is 45 ~ 85, can form the air-out angle of preferred, can normally promote the air current and flow, and great air-out efficiency has, when blade 1 is in the second state, blade 1 is perpendicular with the central axis of mount pad 2, can make a plurality of blades 1 all be in the state of the central axis of perpendicular to mount pad 2, because blade 1 is dull and stereotyped structure, consequently as long as adjacent blade 1 can match in the structure of border position department, just can realize good closed effect.

In one embodiment, when the blades 1 are in the second state, the adjacent blades 1 are inosculated at the abutting position, the sides of the blades 1 at the abutting position are attached together, the adjacent sides have the same structure and can be closely matched together, when the blades 1 are combined together, an integral disc structure is formed, a good sealing effect is achieved, and the blades 1 are solid structures without hole structures, so that compared with the grille 12 with holes, the entrance of foreign matters can be more effectively avoided.

In the present embodiment, the adjustment of the state of the blade 1 is realized by adjusting the root installation angle, and when the blade 1 is a flat plate structure, the adjustment is realized by adjusting the included angle between the central axes of the blade 1 and the mounting base 2.

In one embodiment, the driving mechanism comprises a fluted disc 3 and an adjusting gear 4, the fluted disc 3 is rotatably mounted in the mounting base 2, the adjusting gear 4 is in meshed transmission with the fluted disc 3, the adjusting gear 4 is connected with the blade 1, and the fluted disc 3 adjusts the root mounting angle of the blade 1 on the mounting base 2 through the adjusting gear 4.

In this embodiment, each adjusting gear 4 is in meshing transmission with the fluted disc 3, so that the rotation of the adjusting gears 4 can be synchronously realized only by driving the fluted disc 3 to rotate, and further the synchronous adjustment of each blade 1 is realized.

The mounting seat 2 is of a sleeve structure, a mounting hole 5 is formed in the side wall of the mounting seat 2, and one end of the adjusting gear 4 is mounted in the mounting hole 5. This mounting hole 5 can enough regard as bearing structure to support the one end of adjusting gear 4, prescribes a limit to the mounted position of adjusting gear 4 simultaneously, can make again to realize being connected between adjusting gear 4 and the blade 1, and the convenience is adjusted the rotation of blade 1.

One side of the blade 1 facing the mounting seat 2 is provided with a connecting rod 6, and the blade 1 is connected with the adjusting gear 4 through the connecting rod 6. Connecting rod 6 can with blade 1 between structure as an organic whole, through setting up connecting rod 6, can conveniently realize being connected between blade 1 and adjusting gear 4, reduce the connection degree of difficulty. In one embodiment, a fixing hole is formed at an end of the adjusting gear 4, and the connecting rod 6 can be fixed in the fixing hole of the adjusting gear 4 in an interference fit manner, so as to be fixedly connected with the adjusting gear 4. The connecting rod 6 can also be fixedly connected to the adjusting gear 4 by other means, such as welding or gluing. The blade 1 rotates by taking the connecting rod 6 as a rotating shaft, and the blade 1 can be conveniently switched between the first state and the second state by adjusting the rotating angle of the blade 1 around the connecting rod 6.

In one embodiment, the driving mechanism further comprises a motor 7, and an output end of the motor 7 is connected with one of the adjusting gears 4, and the fluted disc 3 is driven to rotate by the adjusting gear 4. In this embodiment, the adjusting gear 4 directly connected with the motor 7 is used as a driving gear, and rotates under the action of the motor 7 to drive the fluted disc 3 to rotate, so that the fluted disc 3 is used to drive the adjusting gear 4 with other structures to rotate, and the rotating position of the blade 1 is adjusted. In this embodiment, the toothed plate 3 is driven without adding any additional gears, and thus the cost can be reduced.

In one embodiment, the driving mechanism further comprises a motor 7 and a driving gear 8, the driving gear 8 is located between two adjacent adjusting gears 4, and the driving gear 8 is installed at the output end of the motor 7 and is in meshing transmission with the fluted disc 3. In this embodiment, the motor 7 drives the fluted disc 3 to rotate through the driving gear 8, and then drives the adjusting gear 4 to rotate through the fluted disc 3, so as to realize the state adjustment of the blade 1. In this embodiment, because drive gear 8 itself is not connected with blade 1, consequently set up the position unrestricted, can set up in more reasonable position department, improve transmission efficiency, improve motion balance nature and stability simultaneously.

In one embodiment. The tip of mount pad 2 still is provided with the end cover, can make motor 7 be in sealed space, avoids humid air etc. to cause the influence to the operation of motor 7, improves the stability and the reliability of motor 7 during operation, prolongs motor 7's life.

In the present embodiment, the number of the blades 1 is three, and accordingly, the number of the adjusting gears 4 is also three, and the three adjusting gears 4 are uniformly distributed on the toothed disc 3 along the circumferential direction. Motor 7 passes through drive gear 8 and drives the fluted disc 3 rotatory, and fluted disc 3 drives three adjusting gear 4 rotatory, and the position of blade 1 takes place the axial deflection along with adjusting gear 4's motion, and the rotation direction through the drive gear 8 on the control motor 7 can realize the state regulation of blade 1, and then realizes the regulation of opening and closed state of blade 1.

Referring to fig. 1 to 7 in combination, according to an embodiment of the present application, an air conditioner includes the above-mentioned axial-flow fan blade assembly. The air conditioner also comprises an outdoor heat exchanger, a compressor, pipelines, electric appliances, parts, a motor bracket component, a driving mechanism, a panel component, a side plate component, a top cover component, a bottom plate component and the like.

The air conditioner comprises a machine shell 9, an air outlet 10 is formed in the machine shell 9, the axial flow fan blade assembly is arranged at the air outlet 10, a flow guide ring 11 is further arranged at the air outlet 10, and the flow guide ring 11 is located on the periphery of the axial flow fan blade assembly. When the outdoor unit is turned off, the blades 1 are matched with the guide ring 11 to close the air outlet 10, so that foreign matters are effectively prevented from entering the outdoor unit from the air outlet 10.

The outer side of the axial flow fan blade component is covered with a grating 12. The grille 12 functions to prevent foreign materials from entering the interior of the outdoor unit and to prevent the air conditioner from operating abnormally.

After the air conditioner is started, when the outer machine is in a working state, the axial flow fan blade assembly of the outer machine normally operates, the blades 1 and the guide ring 11 do not form a closed space at the moment, and the rotation of the blades 1 drives airflow to flow, so that the purpose of heat dissipation of the outdoor heat exchanger is achieved.

After the air conditioner is started, a driving mechanism on the axial flow fan blade assembly operates to push the blades 1 to rotate, so that the position states of the blades 1 are switched from the second state to the first state, and the rotation of the blades 1 can drive airflow.

When the outer machine normally operates, the blades 1 rotate to blow air to the outside, the blades 1 of the outer machine are in the first state at the moment, and the driving mechanism of the axial flow fan blade assembly guarantees that the blades 1 are in the current state by means of the self-locking function of the motor 7.

After the air conditioner receives the closing information, in the actuating mechanism of outer quick-witted axial compressor fan blade subassembly, motor 7 begins to start by the locking state, and motor 7 drives drive gear 8 and moves certain angle, and drive gear 8 drives fluted disc 3 and moves anticlockwise with the view direction that fig. 5 shows simultaneously, and fluted disc 3 drives three adjusting gear 4 and rotates this moment, and adjusting gear 4 is connecting blade 1 through connecting rod 6, and connecting rod 6 cooperatees with mounting hole 5 on the mount pad 2 to impel blade 1 to deflect until closed, adjust to the second state by first state promptly.

After the air conditioner received the information of opening, among the actuating mechanism of outer quick-witted axial compressor fan blade subassembly, motor 7 began to start by the locking state, motor 7 drives drive gear 8 and moves certain angle, and drive gear 8 drives fluted disc 3 and moves clockwise with the view direction that fig. 5 shows simultaneously, and fluted disc 3 drives three adjusting gear 4 and rotates this moment, and adjusting gear 4 is connecting blade 1 through connecting rod 6, and connecting rod 6 cooperatees with mounting hole 5 on the mount pad 2 to impel blade 1 to deflect until opening completely, become first state by the second state promptly.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The axial flow fan blade assembly is characterized by comprising a blade (1), a mounting seat (2) and a driving mechanism, wherein the driving mechanism is mounted on the mounting seat (2), the blade (1) is connected with the driving mechanism, and is switched between a first state and a second state under the driving action of the driving mechanism, when the blade (1) is in the first state, the blade (1) is opened, and when the blade (1) is in the second state, the adjacent blade (1) is closed at the adjacent side edge.

2. The axial-flow fan blade assembly according to claim 1, wherein when the blade (1) is in the first state, a root installation angle of the blade (1) on the mounting seat (2) is greater than 0 ° and less than 90 °, and when the blade (1) is in the second state, the root installation angle of the blade (1) on the mounting seat (2) is equal to 90 °.

3. The axial-flow fan blade assembly according to claim 1, wherein the blade (1) is of a flat plate structure.

4. The axial-flow fan blade assembly according to claim 3, wherein the cross section of the mounting seat (2) is circular, when the blade (1) is in the first state, an included angle between the blade (1) and the central axis of the mounting seat (2) is 45-85 degrees, and when the blade (1) is in the second state, the blade (1) is perpendicular to the central axis of the mounting seat (2).

5. The axial-flow fan blade assembly according to claim 3, wherein when the blades (1) are in the second state, the adjacent blades (1) are fitted at the abutting position, and the blades (1) are combined together to form a disc structure.

6. The axial-flow fan blade assembly according to any one of claims 1 to 5, wherein the driving mechanism comprises a fluted disc (3) and an adjusting gear (4), the fluted disc (3) is rotatably mounted in the mounting seat (2), the adjusting gear (4) is in meshing transmission with the fluted disc (3), the adjusting gear (4) is connected with the blade (1), and the fluted disc (3) adjusts the root installation angle of the blade (1) on the mounting seat (2) through the adjusting gear (4).

7. The axial-flow fan blade assembly according to claim 6, wherein the mounting seat (2) is of a sleeve structure, a mounting hole (5) is formed in a side wall of the mounting seat (2), and one end of the adjusting gear (4) is mounted in the mounting hole (5).

8. The axial-flow fan blade assembly according to claim 6, wherein a connecting rod (6) is arranged on one side of the blade (1) facing the mounting seat (2), and the blade (1) is connected with the adjusting gear (4) through the connecting rod (6).

9. The axial-flow fan blade assembly according to claim 6, wherein the driving mechanism further comprises a motor (7), an output end of the motor (7) is connected with one of the adjusting gears (4), and the fluted disc (3) is driven to rotate by the adjusting gear (4).

10. The axial-flow fan blade assembly according to claim 6, wherein the driving mechanism further comprises a motor (7) and a driving gear (8), the driving gear (8) is located between two adjacent adjusting gears (4), and the driving gear (8) is installed at an output end of the motor (7) and is in meshing transmission with the fluted disc (3).

11. An air conditioner characterized by comprising the axial-flow fan blade assembly of any one of claims 1 to 10.

12. The air conditioner according to claim 11, wherein the air conditioner comprises a casing (9), an air outlet (10) is formed in the casing (9), the axial flow fan blade assembly is arranged at the air outlet (10), a flow guide ring (11) is further arranged at the air outlet (10), and the flow guide ring (11) is located on the periphery of the axial flow fan blade assembly.

13. The air conditioner according to claim 12, characterized in that the outer side of the axial flow fan blade assembly is covered with a grille (12).