CN218672380U

CN218672380U - Cross-flow fan blade and air conditioner

Info

Publication number: CN218672380U
Application number: CN202223134033.4U
Authority: CN
Inventors: 何洋; 李松; 王小婷
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-21
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a through-flow fan blade and air conditioner relates to air conditioner technical field. The cross-flow fan blade comprises a first fan disc, an adjusting disc, a plurality of connecting rods and a plurality of blades. First winddisk and coaxial setting of adjustment disk and normal running fit, the adjustment disk is provided with a plurality of first articulated seats, a plurality of first articulated seats are set up in the adjustment disk with annular array, the one end and the first articulated seat of every connecting rod are articulated, the other end is articulated with a blade, a plurality of first sliding tray has been seted up to first winddisk, every blade slidable sets up in a first sliding tray, the connecting rod is used for driving the blade and slides in first sliding tray when the adjustment disk rotates for first winddisk, so that the axis that first winddisk was kept away from or was close to the blade. The utility model provides a through-flow fan blade can adjust the air output under the unchangeable circumstances of holding driving motor rotational speed to can improve the biggest air output, it is practical reliable, user experience feels good.

Description

Cross-flow fan blade and air conditioner

Technical Field

The utility model relates to an air conditioner technical field, in particular to through-flow fan blade and air conditioner.

Background

At present, the air outlet function of an air conditioner indoor unit is generally realized by driving a through-flow fan blade to rotate through a driving motor, and the diameter of the through-flow fan blade is unchanged, so the air outlet quantity of the air conditioner indoor unit is determined by the rotating speed of the driving motor, and the higher the rotating speed of the driving motor is, the larger the air outlet quantity is, and the highest rotating speed of the driving motor determines the maximum air outlet quantity. However, under certain specific conditions, the air output can not be adjusted by only depending on the driving motor, for example, when the driving motor needs to be kept at a certain rotating speed to save energy, the air output can not be adjusted, and for example, when the driving motor reaches the highest rotating speed and further improves the heat exchange effect, the air output can not be increased, so that the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to adjust the air output under the unchangeable circumstances of holding driving motor rotational speed to can improve the biggest air output, it is practical reliable, user experience feels good.

In order to solve the above problem, the technical scheme of the utility model is realized like this:

in a first aspect, the utility model provides a through-flow fan blade, including first wind dish, the adjustment disk, a plurality of connecting rods and a plurality of blade, first wind dish and the coaxial setting of adjustment disk and normal running fit, the adjustment disk is provided with a plurality of first articulated seats, a plurality of first articulated seats set up in the adjustment disk with being circular array, the one end and a first articulated seat of every connecting rod are articulated, the other end is articulated with a blade, a plurality of first sliding tray has been seted up to first wind dish, set up in a first sliding tray every blade slidable, the connecting rod is used for driving the blade and slides in first sliding tray when the adjustment disk rotates for first wind dish, so that the blade is kept away from or is close to the axis of first wind dish. Compared with the prior art, the utility model provides a through-flow fan blade is owing to adopted to articulate the connecting rod between first articulated seat and the blade and set up the first sliding tray on first winddisk, so can adjust the air output under the unchangeable circumstances of holding driving motor rotational speed to can improve the biggest air output, practical reliable, user experience feels good.

Further, the adjusting plate comprises a central shaft and a plate body, a central hole is formed in the first air plate, the central shaft is fixedly connected to the middle of the plate body and penetrates through the central hole to be matched with the central hole in a rotating mode, the plate body is attached to the first air plate, and the first hinge seat is connected to the peripheral face of the plate body. The central shaft can drive the connecting rod to rotate through the disc body so as to pull the blades to slide in the first sliding groove.

Further, first articulated seat includes first articulated platform, second articulated platform and articulated shaft, and the connecting rod is provided with first articulated tip, and first articulated platform and second articulated platform set up along the axial interval of center pin, and equal fixed connection is global on the disk body, and first articulated tip sets up between first articulated platform and the second articulated platform, and the articulated shaft passes first articulated platform, first articulated tip and the setting of the articulated platform of second in proper order. First articulated platform and second articulated platform can carry on spacingly to first articulated tip to prevent that first articulated tip from breaking away from first articulated seat, first articulated tip can rotate for the articulated shaft, in order to realize the articulated function of connecting rod and first articulated seat.

Furthermore, the number of the first air discs and the number of the adjusting discs are multiple, the multiple adjusting discs are coaxially arranged, each first air disc is in running fit with one adjusting disc, one end of each central shaft is provided with a first matching structure, the other end of each central shaft is provided with a second matching structure, the first matching structure of each central shaft is matched with the second matching structure of an adjacent central shaft, the first air disc is further provided with multiple second sliding grooves, the second sliding grooves and the first sliding grooves are oppositely arranged on two sides of the first air discs, the position of each second sliding groove corresponds to the position of one first sliding groove, one end of each blade is in sliding fit with the first sliding groove of one first air disc, and the other end of each blade is in sliding fit with the second sliding groove of an adjacent first air disc. First sliding tray and second sliding tray combined action to further improve the direction and the spacing effect to the blade, improve the stability of blade in the slip in-process, guarantee that the blade can be steadily towards keeping away from or being close to the direction motion of the axis of first winddisk.

Furthermore, the first matching structure is a cross-shaped boss, the second matching structure is a cross-shaped groove, and the cross-shaped boss extends into the cross-shaped groove and is matched with the cross-shaped groove. So as to improve the stability of the matching and prevent the first matching structure from rotating relative to the second matching structure.

Further, the blade includes first slider, blade body and second slider, and first slider and second slider relatively connect in the both sides of blade body, first slider and first sliding tray sliding fit, and the cooperation of second slider and second sliding tray, the tip of first slider are provided with the articulated seat of second, and the connecting rod is provided with the articulated tip of second, and the articulated tip of second is articulated with the articulated seat of second. The second hinged end portion can rotate relative to the second hinged seat to achieve the hinging function of the connecting rod and the second hinged seat.

Further, a preset included angle is formed between the extending direction of the first sliding groove and the radial direction of the first air disc, and the range of the preset included angle is 5 degrees to 45 degrees. The reasonable preset included angle can reduce the friction resistance as much as possible while ensuring the transmission effect between the two adjacent first wind disks or between the second wind disk and the first wind disk, and is convenient for realizing the diameter adjusting function of the through-flow fan blade.

Furthermore, the cross-flow fan blade further comprises a second air disc, the second air disc is provided with a plurality of third sliding grooves, the position of each third sliding groove corresponds to the position of one first sliding groove, one end of each blade is in sliding fit with the corresponding first sliding groove, and the other end of each blade is in sliding fit with the corresponding third sliding groove. First sliding tray and third sliding tray combined action to further improve the direction and the spacing effect to the blade, improve the stability of blade at the slip in-process, guarantee that the blade can be steadily towards the direction motion of keeping away from or being close to the axis of first wind dish.

Furthermore, the through-flow fan blade further comprises an adjusting motor, a mounting groove is formed in the middle of the second air disc, and the adjusting motor is mounted in the mounting groove and is in transmission connection with the adjusting disc. The adjusting motor is used for driving the adjusting disc to rotate relative to the first air disc, so that the connecting rod drives the blades to slide in the first sliding groove and the third sliding groove, the blades are far away from or close to the axis of the first air disc, and the diameter adjusting function of the cross-flow fan blade is achieved.

A second aspect, the utility model provides an air conditioner, which comprises an outer shell, the evaporimeter, driving motor and foretell through-flow fan blade, the evaporimeter, driving motor and through-flow fan blade are all installed in the shell, driving motor is connected with the through-flow fan blade, the position of through-flow fan blade is corresponding with the position of evaporimeter, driving motor is used for driving the through-flow fan blade and rotates in order to form the air-out air current, the evaporimeter is used for carrying out the heat transfer to the air-out air current, this through-flow fan blade includes first wind tray, the adjusting disk, a plurality of connecting rods and a plurality of blades, first wind tray sets up just normal running fit with the adjusting disk is coaxial, the adjusting disk is provided with a plurality of first articulated seats, a plurality of first articulated seats set up in the adjusting disk with annular array ground, the one end and a first articulated seat of every connecting rod are articulated, the other end is articulated with a blade, a plurality of first sliding tray has been seted up to first sliding tray, every blade slidable sets up in a first sliding tray, the connecting rod is used for taking the moving blade to slide in first sliding tray when the adjusting disk rotates for making the axis that the blade keep away from or be close to first wind tray. The air conditioner can adjust the air output under the unchangeable condition of holding driving motor rotational speed to can improve the biggest air output, it is practical reliable, user experience feels good.

Drawings

Fig. 1 is a schematic structural view of a cross-flow fan blade according to a first embodiment of the present invention;

fig. 2 is a partial sectional view of a cross-flow fan blade according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a cross-flow fan blade according to a first embodiment of the present invention when the cross-flow fan blade has the largest diameter;

fig. 4 is a schematic structural view of a cross-flow fan blade according to a first embodiment of the present invention when the diameter is minimum;

fig. 5 is a schematic structural view illustrating the cooperation of the first wind disk and the blades in the cross-flow fan according to the first embodiment of the present invention;

fig. 6 is a schematic structural view of a first wind disk in a cross-flow fan according to a first embodiment of the present invention;

fig. 7 is a schematic structural view of an adjusting plate in a cross-flow fan blade according to a first embodiment of the present invention;

fig. 8 is a schematic structural view of a connecting rod hinged with an adjusting plate in a cross-flow fan blade according to a first embodiment of the present invention;

fig. 9 is a schematic structural diagram of a blade in a cross-flow fan according to a first embodiment of the present invention.

Description of reference numerals:

100-cross-flow fan blades; 110-a first wind plate; 111-a first sliding groove; 112-a central aperture; 113-a second sliding groove; 120-a second wind disk; 121-a third sliding groove; 122-mounting grooves; 130-adjusting the motor; 140-a conditioning disk; 141-a first articulated seat; 142-a central axis; 143-tray body; 144-a first articulation station; 145-a second articulation station; 146-a hinged axis; 147-a first mating structure; 148-a second mating structure; 150-a connecting rod; 151-a first hinged end portion; 152-a second hinged end; 160-blade; 161-a first slider; 162-a blade body; 163-a second slider; 164-a second articulated seat; 200-driving the motor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

First embodiment

Referring to fig. 1 to 5, an embodiment of the present invention provides a cross-flow fan blade 100 for implementing an air outlet function. It can be under the unchangeable circumstances of keeping driving motor 200 rotational speed to adjust the air output to can improve the biggest air output, practical reliable, user experience feels good.

It should be noted that the cross-flow fan 100 is applied to an air conditioner indoor unit (not shown), and the air conditioner indoor unit is installed indoors. The air conditioner indoor unit comprises an evaporator (not shown), a driving motor 200 and a shell (not shown), wherein the evaporator, the driving motor 200 and the cross-flow fan blade 100 are all installed in the shell, the driving motor 200 is connected with the cross-flow fan blade 100 to drive the cross-flow fan blade 100 to rotate, the position of the cross-flow fan blade 100 corresponds to the position of the evaporator, the cross-flow fan blade 100 can form negative pressure in the rotating process to drive air to flow to form air outlet flow, and the evaporator is used for exchanging heat with the air outlet flow to achieve the heating or refrigerating function of the air conditioner indoor unit.

The cross-flow fan blade 100 includes a first wind disk 110, a second wind disk 120, a regulating motor 130, a regulating disk 140, a plurality of links 150, and a plurality of blades 160. First windward plate 110 and adjustment disc 140 coaxial arrangement and normal running fit, adjustment disc 140 can rotate for first windward plate 110, and first windward plate 110 can carry out spacingly to adjustment disc 140. The adjusting disk 140 is provided with a plurality of first hinged seats 141, the first hinged seats 141 are arranged on the outer edge of the adjusting disk 140 in an annular array manner, one end of each connecting rod 150 is hinged to one first hinged seat 141, the other end of each connecting rod 150 is hinged to one blade 160, and the adjusting disk 140 can drive the blades 160 to move synchronously through the connecting rods 150 in the rotating process. The first winddisk 110 is provided with a plurality of first sliding grooves 111, each blade 160 is slidably disposed in one first sliding groove 111, the blade 160 can slide relative to the first sliding groove 111, and the first sliding groove 111 can guide and limit the blade 160. The connecting rod 150 is used for driving the vanes 160 to slide in the first sliding grooves 111 when the adjusting disc 140 rotates relative to the first vane 110, so that the vanes 160 are far away from or close to the axis of the first vane 110, and the diameter of the cross-flow fan 100 is adjusted. Therefore, the diameter of the through-flow fan blade 100 is adjustable, and because the larger the diameter of the through-flow fan blade 100 is at the same rotating speed, the larger the air outlet volume of the outlet airflow is, the larger the outlet volume of the outlet airflow is, so the through-flow fan blade 100 can adjust the outlet volume under the condition of keeping the rotating speed of the driving motor 200 unchanged, and can improve the maximum air outlet volume, and is practical and reliable, and the user experience is good.

It should be noted that the second wind plate 120 is coaxial with and spaced apart from the first wind plate 110, the adjustment plate 140 is disposed on one side of the first wind plate 110 close to the second wind plate 120, and a part of the blades 160 is disposed between the first wind plate 110 and the second wind plate 120. Specifically, the second winddisk 120 is provided with a plurality of third sliding grooves 121, the position of each third sliding groove 121 corresponds to the position of one first sliding groove 111, one end of each blade 160 is in sliding fit with the first sliding groove 111, the other end of each blade 160 is in sliding fit with the third sliding groove 121, and the first sliding grooves 111 and the third sliding grooves 121 act together to further improve the guiding and limiting effects on the blades 160, improve the stability of the blades 160 in the sliding process, and ensure that the blades 160 can stably move in the direction away from or close to the axis of the first winddisk 110.

Further, a mounting groove 122 is formed in the middle of the second wind plate 120, the adjusting motor 130 is mounted in the mounting groove 122 and is in transmission connection with the adjusting plate 140, and the adjusting motor 130 is used for driving the adjusting plate to rotate relative to the first wind plate 110 so as to drive the blades 160 to slide in the first sliding groove 111 and the third sliding groove 121 through the connecting rod 150, so that the blades 160 are far away from or close to the axis of the first wind plate 110, and thus the diameter adjusting function of the through-flow fan blade 100 is realized. Specifically, the adjusting motor 130 is a self-locking motor, the adjusting motor 130 has a self-locking function, and can perform self-locking after the position of the blade 160 is adjusted (i.e., the diameter of the through-flow fan blade 100 is adjusted), at this time, the output shaft of the adjusting motor 130 is limited and can not rotate any more, and it is ensured that the adjusting plate 140 in transmission connection with the adjusting motor 130 can not rotate any more, thereby fixing the positions of the connecting rod 150 and the blade 160, preventing the blade 160 from continuously sliding in the first sliding groove 111 and the third sliding groove 121, preventing the positions of the blade 160 relative to the first wind plate 110 and the second wind plate 120 from changing (i.e., the diameter of the through-flow fan blade 100 from changing), further improving the stability of the blade 160, and preventing the blade 160 from displacing under the action of centrifugal force when the driving motor 200 drives the whole through-flow fan blade 100 to rotate.

In this embodiment, the driving motor 200 is disposed on one side of the second wind plate 120 far away from the first wind plate 110, the driving motor 200 is in transmission connection with the second wind plate 120, the driving motor 200 is used for driving the second wind plate 120 to rotate, so as to drive the first wind plate 110 to rotate through the blades 160, and drive the adjusting plate 140 to rotate through the adjusting motor 130, so as to drive the whole cross-flow fan blade 100 to rotate synchronously, thereby achieving the air outlet function.

Specifically, in the air outlet process of the air conditioner indoor unit, when the rotation speed of the driving motor 200 is kept constant to achieve energy saving, if the air outlet volume of the air conditioner indoor unit needs to be increased, the adjusting motor 130 is controlled to drive the blades 160 to slide towards the direction away from the axis of the first wind disk 110 through the adjusting disk 140 and the connecting rod 150, so as to increase the diameter of the cross-flow fan blade 100, thereby increasing the air outlet volume; if the air output of the indoor unit of the air conditioner needs to be reduced, the adjusting motor 130 is controlled to drive the blades 160 to slide towards the direction close to the axis of the first air disc 110 through the adjusting disc 140 and the connecting rod 150, so as to reduce the diameter of the cross-flow fan blade 100, thereby reducing the air output. When the driving motor 200 reaches the highest rotation speed and further improves the heat exchange effect, the control adjustment motor 130 drives the blades 160 to slide towards the direction far away from the axis of the first wind disk 110 through the adjusting disk 140 and the connecting rod 150, so as to enlarge the diameter of the through-flow fan blade 100, thereby increasing the air output, further improving the heat exchange effect and improving the user experience.

Referring to fig. 6 to 9, the adjustment plate 140 includes a central shaft 142 and a plate body 143. The first wind plate 110 is provided with a central hole 112, the central shaft 142 is fixedly connected to the middle of the plate body 143, penetrates through the central hole 112 and is rotatably matched with the central hole 112, the central shaft 142 can rotate relative to the central hole 112, and the inner wall of the central hole 112 can limit the central shaft 142. The tray body 143 is attached to the first windpan 110 to improve the reliability of the assembly and prevent the adjustment tray 140 from being loosened. The first hinge seat 141 is connected to the circumferential surface of the disc 143, and the central shaft 142 can drive the connecting rod 150 to rotate through the disc 143, so as to pull the vane 160 to slide in the first sliding groove 111.

The first hinge base 141 includes a first hinge stage 144, a second hinge stage 145, and a hinge shaft 146. The connecting rod 150 is provided with a first hinge end 151, the first hinge platform 144 and the second hinge platform 145 are arranged at intervals along the axial direction of the central shaft 142 and are both fixedly connected to the circumferential surface of the tray body 143, the first hinge end 151 is arranged between the first hinge platform 144 and the second hinge platform 145, and the hinge shaft 146 sequentially passes through the first hinge platform 144, the first hinge end 151 and the second hinge platform 145. Specifically, the first hinge table 144 and the second hinge table 145 can limit the first hinge end 151 to prevent the first hinge end 151 from being separated from the first hinge seat 141, and the first hinge end 151 can rotate relative to the hinge shaft 146 to achieve the hinge function of the connecting rod 150 and the first hinge seat 141.

It should be noted that the number of the first winddisks 110 and the adjusting disks 140 is plural, the adjusting disks 140 are coaxially arranged, and each first winddisk 110 is rotatably matched with one adjusting disk 140. One end of the central shaft 142 is provided with a first matching structure 147, the other end is provided with a second matching structure 148, the first matching structure 147 of each central shaft 142 is matched with the second matching structure 148 of one adjacent central shaft 142 to realize the transmission connection of the central shafts 142, so that the central shafts 142 can synchronously rotate. Specifically, the second wind plate 120 is disposed outside one of the adjusting plates 140 located at the end, the adjusting motor 130 installed in the second wind plate 120 is in transmission connection with the central shaft 142 of the adjusting plate 140 located at the end to drive the central shaft 142 to rotate, and since the central shafts 142 of the adjusting plates 140 are sequentially connected, the adjusting motor 130 can synchronously drive the central shafts 142 to rotate, so as to stably and reliably realize the diameter adjusting function of the cross-flow fan blade 100.

Further, the plurality of first winddisks 110 are coaxially and alternately arranged, and a part of the blades 160 are arranged between two adjacent first winddisks 110. The first wind plate 110 is further provided with a plurality of second sliding grooves 113, the second sliding grooves 113 and the first sliding grooves 111 are oppositely arranged on two sides of the first wind plate 110, the position of each second sliding groove 113 corresponds to the position of one first sliding groove 111, one end of each blade 160 is in sliding fit with the first sliding groove 111 of one first wind plate 110, the other end of each blade 160 is in sliding fit with the second sliding groove 113 of the adjacent first wind plate 110, and the first sliding grooves 111 and the second sliding grooves 113 jointly act to further improve the guiding and limiting effects on the blades 160, improve the stability of the blades 160 in the sliding process, and ensure that the blades 160 can stably move towards the direction far away from or close to the axis of the first wind plate 110.

It is noted that the second wind disk 120 is disposed outside one of the first wind disks 110 at the end, a part of the blades 160 is disposed between the second wind disk 120 and the first wind disk 110 at the end, and another part of the blades 160 is disposed between two adjacent first wind disks 110. Specifically, in the air outlet process of the air conditioner indoor unit, the driving motor 200 drives the second wind disk 120 to rotate, the second wind disk 120 drives the first wind disk 110 located at the end portion to rotate through the second wind disk 120 and a part of the blades 160 located between the first wind disks 110 located at the end portion, and because the plurality of first wind disks 110 are connected through the blades, the driving motor 200 can synchronously drive the second wind disk 120 and the plurality of first wind disks 110 to rotate, so that the air outlet function is stably and reliably realized.

In this embodiment, the first fitting structure 147 is a cross-shaped boss, the second fitting structure 148 is a cross-shaped groove, and the cross-shaped boss extends into the cross-shaped groove and is fitted with the cross-shaped groove, so as to improve the fitting stability and prevent the first fitting structure 147 from rotating relative to the second fitting structure 148. But not limited thereto, in other embodiments, the first mating structure 147 can be a hook, and the second mating structure 148 is a buckle; the first mating structure 147 may also be a boss of other shapes, and the second mating structure 148 is a recess of corresponding shape; the mating form and shape of the first and

second mating structures

147, 148 are not particularly limited.

The blade 160 includes a first slider 161, a blade body 162, and a second slider 163. The first slider 161 and the second slider 163 are relatively connected to two sides of the blade body 162, and in this embodiment, the first slider 161, the blade body 162, and the second slider 163 are integrally formed to improve the connection strength. The first slider 161 is slidably engaged with the first sliding groove 111, the first slider 161 can slide relative to the first sliding groove 111, and the first sliding groove 111 can guide and limit the first slider 161. The second slider 163 is fitted in the second slide groove 113, the second slider 163 is slidable with respect to the second slide groove 113, and the second slide groove 113 can guide and limit the second slider 163. The end of the first sliding block 161 is provided with a second hinge seat 164, the connecting rod 150 is provided with a second hinge end 152 at an end far away from the first hinge end 151, the second hinge end 152 is hinged with the second hinge seat 164, and the second hinge end 152 can rotate relative to the second hinge seat 164 to realize the hinge function of the connecting rod 150 and the second hinge seat 164.

It should be noted that, for a part of the blades 160 disposed between two adjacent first wind disks 110, the first slider 161 of the blade 160 is slidably disposed in the first sliding groove 111, and the second slider 163 of the blade 160 is slidably disposed in the second sliding groove 113; and for the part of the blades 160 disposed between the second wind disk 120 and the first wind disk 110 at the end, the first slider 161 of the blade 160 is slidably disposed in the first sliding groove 111, and the second slider 163 of the blade 160 is slidably disposed in the third sliding groove 121.

In this embodiment, the specific structure of the second hinge seat 164 is the same as that of the first hinge seat 141, and is not described herein again.

Please refer to fig. 5, it should be noted that the first sliding grooves 111, the second sliding grooves 113, and the third sliding grooves 121 are in one-to-one correspondence, wherein a preset included angle is formed between the extending direction of the first sliding groove 111 and the radial direction of the first wind plate 110, the preset included angle ranges from 5 degrees to 45 degrees, and the reasonable preset included angle can reduce the friction resistance as much as possible while ensuring the transmission effect of the blade 160 to two adjacent first wind plates 110 or between the second wind plate 120 and the first wind plate 110, so as to facilitate the diameter adjustment function of the cross-flow fan blade 100.

In this embodiment, the predetermined included angle is 15 degrees, and for convenience of understanding, the predetermined included angle is denoted as a, but the predetermined included angle is not limited thereto, and in other embodiments, the predetermined included angle may be 5 degrees or 45 degrees, and the size of the predetermined included angle is not particularly limited.

The embodiment of the utility model provides a through-flow fan blade 100, first winddisk 110 and the coaxial setting of adjustment disk 140 and normal running fit, adjustment disk 140 is provided with a plurality of first articulated seats 141, a plurality of first articulated seats 141 set up in adjustment disk 140 with being annular array, the one end of every connecting rod 150 is articulated with a first articulated seat 141, the other end is articulated with a blade 160, a plurality of first sliding tray 111 have been seted up to first winddisk 110, set up in a first sliding tray 111 every blade 160 slidable, connecting rod 150 is used for driving blade 160 and slides in first sliding tray 111 when adjustment disk 140 rotates for first winddisk 110, so that blade 160 keeps away from or is close to the axis of first winddisk 110. Compared with the prior art, the utility model provides a through-flow fan blade 100 is owing to adopted to articulate connecting rod 150 between first articulated seat 141 and blade 160 and set up the first sliding tray 111 on first wind dish 110, so can adjust the air output under the unchangeable circumstances of keeping driving motor 200 rotational speed to can improve the biggest air output, it is practical reliable, user experience feels good.

Second embodiment

The utility model provides an air conditioner (not shown) for regulate and control indoor temperature. The air conditioner comprises a cross-flow fan blade 100, an evaporator, a driving motor 200 and a shell. The basic structure and principle of the cross-flow fan blade 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, reference may be made to corresponding contents in the first embodiment for the part of this embodiment that is not mentioned.

In this embodiment, the evaporator, the driving motor 200 and the cross-flow fan blade 100 are all installed in the housing, the driving motor 200 is connected with the cross-flow fan blade 100 to drive the cross-flow fan blade 100 to rotate, the position of the cross-flow fan blade 100 corresponds to the position of the evaporator, the cross-flow fan blade 100 can form negative pressure in the rotating process to drive air to flow to form air outlet flow, and the evaporator is used for exchanging heat with the air outlet flow to achieve the heating or cooling function of the air conditioner.

The embodiment of the utility model provides an air conditioner's beneficial effect the same with the beneficial effect of first embodiment, no longer give unnecessary details here.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. A cross-flow fan blade is characterized by comprising a first fan disc (110), an adjusting disc (140), a plurality of connecting rods (150) and a plurality of blades (160), wherein the first fan disc (110) and the adjusting disc (140) are coaxially arranged and are in rotating fit, the adjusting disc (140) is provided with a plurality of first hinge seats (141), the first hinge seats (141) are arranged on the adjusting disc (140) in an annular array, one end of each connecting rod (150) is hinged to one first hinge seat (141), the other end of each connecting rod is hinged to one blade (160), the first fan disc (110) is provided with a plurality of first sliding grooves (111), each blade (160) is slidably arranged in one first sliding groove (111), and the connecting rods (150) are used for driving the blades (160) to slide in the first sliding grooves (111) when the adjusting disc (140) rotates relative to the first fan disc (110), so that the blades (160) are far away from or close to the axis of the first fan disc (110).

2. The cross-flow fan blade of claim 1, wherein the adjusting plate (140) comprises a central shaft (142) and a plate body (143), the first fan plate (110) is provided with a central hole (112), the central shaft (142) is fixedly connected to the middle of the plate body (143), passes through the central hole (112), and is in rotating fit with the central hole (112), the plate body (143) is attached to the first fan plate (110), and the first hinge seat (141) is connected to the peripheral surface of the plate body (143).

3. The cross-flow fan blade of claim 2, wherein the first hinge seat (141) comprises a first hinge table (144), a second hinge table (145) and a hinge shaft (146), the connecting rod (150) is provided with a first hinge end (151), the first hinge table (144) and the second hinge table (145) are arranged at intervals along the axial direction of the central shaft (142) and are fixedly connected to the circumferential surface of the disc body (143), the first hinge end (151) is arranged between the first hinge table (144) and the second hinge table (145), and the hinge shaft (146) is arranged to sequentially penetrate through the first hinge table (144), the first hinge end (151) and the second hinge table (145).

4. The cross-flow fan blade of claim 2, wherein the number of the first wind disks (110) and the number of the adjusting disks (140) are multiple, the multiple adjusting disks (140) are coaxially arranged, each first wind disk (110) is rotatably matched with one adjusting disk (140), one end of the central shaft (142) is provided with a first matching structure (147), the other end of the central shaft is provided with a second matching structure (148), the first matching structure (147) of each central shaft (142) is matched with the second matching structure (148) of an adjacent central shaft (142), the first wind disk (110) is further provided with multiple second sliding grooves (113), the second sliding grooves (113) and the first sliding grooves (111) are oppositely arranged on two sides of the first wind disk (110), the position of each second sliding groove (113) corresponds to the position of one first sliding groove (111), one end of each blade (160) is in sliding fit with the first sliding groove (111) of one first wind disk (110), and the other end of the blade (160) is in sliding fit with the first sliding groove (111) of the adjacent first wind disk (110).

5. The cross-flow fan blade of claim 4, wherein the first mating structure (147) is a cross-shaped boss, the second mating structure (148) is a cross-shaped groove, and the cross-shaped boss extends into the cross-shaped groove and mates with the cross-shaped groove.

6. The cross-flow fan blade of claim 4, wherein the blade (160) comprises a first sliding block (161), a blade body (162) and a second sliding block (163), the first sliding block (161) and the second sliding block (163) are connected to two sides of the blade body (162) relatively, the first sliding block (161) is in sliding fit with the first sliding groove (111), the second sliding block (163) is in fit with the second sliding groove (113), a second hinge seat (164) is arranged at the end of the first sliding block (161), the connecting rod (150) is provided with a second hinge end (152), and the second hinge end (152) is hinged to the second hinge seat (164).

7. The cross-flow fan blade of claim 1, wherein a preset included angle is formed between the extending direction of the first sliding groove (111) and the radial direction of the first fan disc (110), and the preset included angle ranges from 5 degrees to 45 degrees.

8. The cross-flow fan blade of claim 1, further comprising a second fan blade (120), wherein the second fan blade (120) is provided with a plurality of third sliding grooves (121), each third sliding groove (121) corresponds to one first sliding groove (111), one end of each blade (160) is in sliding fit with the first sliding groove (111), and the other end of each blade is in sliding fit with the third sliding groove (121).

9. The cross-flow fan blade of claim 8, further comprising an adjusting motor (130), wherein a mounting groove (122) is formed in the middle of the second fan plate (120), and the adjusting motor (130) is mounted in the mounting groove (122) and is in transmission connection with the adjusting plate (140).

10. An air conditioner, characterized by comprising a housing, an evaporator, a driving motor (200) and the cross-flow fan blade of any one of claims 1 to 9, wherein the evaporator, the driving motor (200) and the cross-flow fan blade are all installed in the housing, the driving motor (200) is connected with the cross-flow fan blade, the position of the cross-flow fan blade corresponds to the position of the evaporator, the driving motor (200) is used for driving the cross-flow fan blade to rotate to form an outlet air flow, and the evaporator is used for exchanging heat with the outlet air flow.