CN218410112U - Fixed knot constructs and air conditioner - Google Patents

Abstract

The utility model provides a fixed knot constructs and air conditioner. Fixed knot constructs fan blade and the motor of connecting the air conditioner, and fixed knot constructs and includes: the first end of the connecting shaft is connected with the fan blade, and the second end of the connecting shaft is connected with the motor; the limiting piece is arranged on the connecting shaft and used for locking the connecting shaft and the fan blade and/or the motor; the limiting piece is arranged at one end of the connecting shaft, which is inserted, and is locked with the fan blade and/or the motor in a locking state, and when the limiting piece is pressed, the limiting piece can be unlocked with the fan blade and/or the motor. The utility model provides an in the connected mode of current fan blade and motor, be difficult to the technical problem who dismantles after connecting, the fixed knot who provides through the present case realizes convenient to detach's technological effect between motor and the fan blade.

Description

Fixed knot constructs and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a fixed knot constructs and air conditioner.

Background

In the existing indoor unit, a fan blade is connected with a motor, and the motor is connected with and drives the fan blade to rotate. In the existing indoor unit, the fan blades and the motor inside the indoor unit are fixed through screws. During installation, the motor shaft is inserted into the fan blade, and then the screw is fixed on the flat position of the motor shaft, or the motor shaft and the fan blade are connected by adopting a connecting piece, but the connection mode is mostly threaded connection.

However, in the actual installation process, the motor shaft is fixed through the screws, workers are required to manually rotate the motor shaft, the flat position is aligned with the screws, and the screws are required to be installed and disassembled when the motor shaft is disassembled and installed, so that the disassembly and the installation are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides an in the connected mode of current fan blade and motor, be difficult to the technical problem who dismantles after connecting, the fixed knot who provides through the present case constructs convenient to detach's technological effect between realization motor and the fan blade.

In order to solve the above problem, the utility model provides a fixed knot constructs, fixed knot constructs fan blade and the motor of connecting the air conditioner, and fixed knot constructs and includes: the first end of the connecting shaft is connected with the fan blade, and the second end of the connecting shaft is connected with the motor; the limiting piece is arranged on the connecting shaft and used for locking the connecting shaft and the fan blade and/or the motor; the limiting part is arranged at one end of the connecting shaft in an inserted manner, the limiting part is locked with the fan blade and/or the motor in a locking state, and when the limiting part is pressed, the limiting part can be unlocked with the fan blade and/or the motor.

Compared with the prior art, the technical scheme has the following technical effects: the locating part sets up in grafting complex one end, and the connecting axle of being convenient for is dismantled with motor or fan blade, and when exerting pressure to the locating part, connecting axle and motor or fan blade can the unblock, only takes out the two parts of pegging graft during the dismantlement and just can realize the separation between them, and is more simple and convenient than complicated locking modes such as screw rotation, buckle cooperation, the dismouting of being convenient for.

In one example of the utility model, the fan blade is provided with a connecting piece, and the connecting piece is provided with a limiting hole; the first end of the connecting shaft is matched with the connecting piece, and the limiting piece is arranged at the first end; when the connecting shaft is matched with the connecting piece, the limiting piece is clamped with the limiting hole.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the fan blade is connected with one end of the fan blade in an inserting mode and provided with the limiting piece, if one side of the motor shaft is connected in an inserting mode, the motor shaft is easy to damage, the service life of the motor shaft is shortened, and in addition, the connecting mode is complex compared with the process of the motor shaft in the actual process manufacturing. The locking is realized by clamping the limiting part with the limiting hole on the connecting piece, the locking mode is simple, the structure is simple, the parts are simplified, the limiting part is convenient to unlock by the setting mode, and the unlocking can be realized only by pressing the limiting part downwards at the limiting hole and drawing out the connecting shaft during unlocking.

In an embodiment of the present invention, one end of the position-limiting member is connected to the connecting shaft, and the other end of the position-limiting member extends along the outer surface of the connecting shaft in an outward elastic protruding manner.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: one end of the limiting piece is connected with the connecting shaft, so that the limiting piece is prevented from being lost due to the fact that parts are too many and small. The other end of the limiting part elastically protrudes outwards along the outer surface of the connecting shaft, the elasticity is set to ensure that the connecting shaft can be inserted into the connecting piece, and the protrusion is used for ensuring that the limiting part can be matched and clamped with the limiting hole.

In an example of the present invention, the connecting shaft includes: the mounting seat is arranged in the connecting shaft, and one end of the limiting piece is connected with the mounting seat; the shaft hole, the surface of connecting axle is located in the shaft hole, and the shaft hole can be stretched out to the tip of locating part.

Compared with the prior art, the technical scheme has the following technical effects: the mounting seat is arranged for further mounting and stabilizing the limiting part. The mount pad sets up inside the connecting axle, is in order to give the certain deformation space of elastic locating part, when the locating part compression, can impress in the connecting axle, the connecting axle of being convenient for is pegged graft, when the locating part does not receive the compression, has sufficient space to make its deformation. The surface of the connecting shaft is provided with a through shaft hole, so that the limiting part arranged in the connecting shaft can extend out through the shaft hole to be clamped with the core in a hollow fit manner.

In an example of the present invention, the position limiting member includes: one end of the elastic piece is arranged in the mounting seat; the joint spare, the joint spare is connected with the other end of elastic component, and the shaft hole is stretched out to at least part of joint spare.

Compared with the prior art, the technical scheme has the following technical effects: the resilient member is preferably a spring because it is lighter, simpler in construction, lower in cost and readily available. Set up the joint spare into spherical ball, because spherical structure's diameter size gradually changes, the diameter size does not break suddenly, guarantees more easily that at least part stretches out the shaft hole and with spacing hole joint to, in the structure under satisfying this condition, spherical ball is the part that obtains more easily and easy processing. On the other hand, when the plug-in connection is carried out, the inner side surface of the connecting piece can be protected by the spherical ball structure.

In an example of the present invention, the connecting shaft further includes: the mounting shaft is arranged in the connecting shaft, a gap is formed between the mounting shaft and the inner surface of the connecting shaft, and the mounting seat is arranged on the mounting shaft; after one end of the limiting part is connected with the mounting seat, the other end of the limiting part extends out of the shaft hole through the gap.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the hollow connecting shaft 110 is provided to reduce the weight of the connecting shaft, facilitate installation and save material. The mode that sets up the installation axle in addition in order to avoid directly punching on the connecting axle forms the mount pad, and the installation elastic component, the operation of punching is more troublesome to the position one-to-one is hardly guaranteed to the position of punching. The clearance that forms between mount pad and the installation axle can vacate the space for the installation of locating part to, the locating part can take place elastic deformation in this clearance, realizes locking and unblock.

The utility model discloses an in the example, the locating part all is equipped with at least one rather than the spacing hole that corresponds, when a plurality of locating parts, the locating part distributes along the axial of connecting axle to with corresponding spacing hole cooperation joint.

Compared with the prior art, the technical scheme has the following technical effects: a plurality of locating parts and a plurality of limiting holes are arranged, and the positions are correspondingly arranged, so that the connection between the connecting shaft and the connecting piece is more stable.

The utility model discloses an in the example, the second end of connecting axle is equipped with the internal thread, and the internal thread can with motor shaft threaded connection.

Compared with the prior art, the technical scheme has the following technical effects: the motor shaft itself is convex axis body to the motor is high-speed pivoted structure, and is easy to damage, consequently, sets up the internal thread at the second end, inserts the motor shaft in the second end and threaded connection, is convenient for protect the motor shaft not damaged.

In an example of the present invention, the screwing direction of the internal thread and the motor shaft is the same as the rotation direction of the motor shaft.

Compared with the prior art, the technical scheme has the following technical effects: because the motor shaft can rotate to when motor shaft and internal thread screw-thread fit, normal running fit, consequently in order to prevent that the motor shaft from rotating to lead to the motor shaft to revolve out and throw off in the connecting axle, set up the direction of screwing of internal thread and motor shaft and the direction of rotation of motor shaft to the same, so the structural connection of being more convenient for is firm.

In still another aspect, an air conditioner includes: a motor; a fan blade; like the fixed knot of any one of above-mentioned embodiment, fixed knot constructs motor and fan blade.

Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: the fan blade and the motor connected with the scheme are both a motor and a fan blade on an air conditioner, wherein the fan blade is a cross-flow fan blade, and the fixing structure provided by the scheme can be connected with a cross-flow fan and the motor in the air conditioner.

In an example of the present invention, the fan blade includes: the connecting piece can be sleeved with the connecting shaft on the fixed structure; the limiting hole is arranged in the connecting piece and is clamped with the limiting piece on the fixing structure; the guide structure is arranged at the end part of the connecting piece and arranged on the inner wall of the connecting piece, and the guide structure is an inclined plane.

Compared with the prior art, the technical scheme has the following technical effects: the one end of fan blade is kept away from to guide structure setting on the connecting piece, for the one end of the first butt when the connecting axle is pegged graft, inside guide structure is for the convenience of the connecting axle inserts the connecting piece, for reducing the resistance that convex locating part produced in pegging graft, for giving the locating part pressure, make its tip can be in same horizontal plane with the surface of connecting axle on, be convenient for peg graft.

Adopt the technical scheme of the utility model afterwards, can reach following technological effect:

(1) The limiting piece is arranged at one end matched with the motor or the fan blade in an inserting manner, so that the connecting shaft and the motor or the fan blade can be conveniently detached, when pressure is applied to the limiting piece, the connecting shaft and the motor or the fan blade can be unlocked, and the connecting shaft and the motor or the fan blade can be separated only by pulling out two inserted parts during detachment, so that the connecting shaft and the motor or the fan blade are more convenient and convenient to disassemble and assemble compared with complex locking modes such as thread rotation, buckle matching and the like;

(2) Because the motor shaft can rotate, and when the motor shaft is in threaded fit with the internal thread, the motor shaft is in running fit, so that the motor shaft is prevented from rotating to be unscrewed and separated from the connecting shaft, the screwing direction of the internal thread and the motor shaft is the same as the rotating direction of the motor shaft, and the structural connection is more convenient to stabilize.

Drawings

Fig. 1 is a schematic view of a structure in which a motor is connected to a fan blade.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the connecting shaft.

Fig. 5 is a sectional view of the connecting shaft.

Fig. 6 is a schematic structural diagram of a fan blade.

Fig. 7 is a cross-sectional view of the fan blade of fig. 6.

Fig. 8 is a schematic structural view of the motor.

Description of reference numerals:

100-a fixed structure; 110-a connecting shaft; 111-a mount; 112-shaft hole; 113-mounting the shaft; 114-internal threads; 120-a stop; 121-an elastic member; 122-a clip; 200-fan blades; 210-a connector; 211-a limiting hole; 212-a guide structure; 300-a motor; 310-motor shaft.

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.

The first embodiment is as follows:

in a specific embodiment, referring to fig. 1-2, a fixing structure for connecting a fan 200 and a motor 300 of an air conditioner, the fixing structure 100 includes: a first end of the connecting shaft 110 is connected with the fan blade 200, and a second end of the connecting shaft 110 is connected with the motor 300; the limiting piece 120 is arranged on the connecting shaft 110, and the limiting piece 120 is used for locking the connecting shaft 110 and the fan blade 200 and/or the motor 300; the limiting member 120 is disposed at one end of the connecting shaft 110, the limiting member 120 is locked with the fan blade 200 and/or the motor 300 in a locked state, and when the limiting member 120 is pressed, the limiting member 120 can be unlocked from the fan blade 200 and/or the motor 300.

In this embodiment, the connecting shaft 110 is a connecting structure between the motor 300 and the fan blade 200, two ends of the connecting shaft 110 can connect the two, specifically, a first end is connected with the fan blade 200, and a second end is connected with the motor 300. Further, through the connecting shaft 110 in the present application, it can also be ensured that the connected motor 300 can still drive the fan blade 200 to rotate.

After the connecting shaft 110 connects the motor 300 and the fan blade 200, the connection position of the limiting member 120 needs to be locked, and the limiting member 120 may be disposed at a first end to lock the connecting shaft 110 and the fan blade 200, may also be disposed at a second end to lock the connecting shaft 110 and the motor 300, and may also be disposed at both the first end and the second end.

The limiting member 120 is specifically disposed on the connecting shaft 110 in an inserting manner. It can be understood that the connecting shaft 110, the motor shaft of the motor 300, and the fan blade 200 can be connected in an inserting manner, and therefore, the limiting member 120 can still be disposed at any end of the connecting shaft 110.

When the two are inserted, the fitting direction of the two is the axial direction, and when the limiting member 120 is disposed on the connecting shaft 110, the limiting member 120 can be fitted with the motor shaft 310 or the fan blade 200 when locked, so that the connecting shaft 110 and the motor shaft 310 or the fan blade 200 cannot move along the axial direction any more, which is a locked state.

The stopper 120 may be a protruding elastic member, a latch structure, or the like, and the stopper 120 is preferably disposed in the vertical axial direction to ensure that two plug members that move in the axial direction can be locked. After the limiting piece 120 is matched and locked with the motor 300 or the fan blade 200, when unlocking is required, unlocking can be achieved by pressing the limiting piece 120, so that the limiting piece 120 is not clamped with the motor 300 or the fan blade 200, the connecting shaft 110 can be removed from a matching relation along the axial direction, unlocking is achieved, and the motor 300 and the fan blade 200 can be further detached.

In this embodiment, the limiting member 120 is disposed at one end of the insertion fit, so that the connecting shaft 110 can be conveniently detached from the motor 300 or the fan blade 200, when pressure is applied to the limiting member 120, the connecting shaft 110 and the motor 300 or the fan blade 200 can be unlocked, and the two parts can be separated from each other only by pulling out the two parts to be inserted, so that the two parts can be separated from each other, which is simpler and more convenient than complex locking methods such as screw rotation and snap fit, and is convenient for disassembly and assembly.

Further, referring to fig. 3-5, the fan blade 200 is provided with a connecting member 210, and the connecting member 210 is provided with a limiting hole 211; the first end of the connecting shaft 110 is matched with the connecting member 210, and the limiting member 120 is arranged at the first end; when the connecting shaft 110 is engaged with the connecting member 210, the position-limiting member 120 is engaged with the position-limiting hole 211.

In the present embodiment, in the present invention, a first end of the connecting shaft 110, that is, an end engaged with the fan blade 200, is provided with a plug-in connection manner, and the first end of the connecting shaft 110 is engaged with the connecting member 210 on the fan blade 200. When the connector is inserted, the first end may be inserted into the connector 210, or the connector 210 may be inserted into the first end. In the present application, preferably, the connecting member 210 is a shaft cylinder, which is hollow inside and is disposed at the rotating shaft of the fan blade 200, and the axis of the shaft cylinder and the axis of the rotating shaft of the fan blade are on the same straight line. After the connecting shaft 110 is inserted into the connecting member 210, the inner wall of the connecting member 210 is tightly attached to the outer wall of the connecting shaft 110 at the first end.

The connecting member 210 is provided with a limiting hole 211, the limiting hole 211 is a structure mainly matched and locked with the limiting member 120, and when the connecting member 210 is matched and inserted with the connecting shaft 110, the limiting member 120 can extend into the limiting hole 211 to be clamped with the limiting hole 211. At this time, the limiting member 120 may completely extend into and out of the limiting hole 211, or at least partially extend into the limiting hole 211 to realize clamping.

The limiting member 120 is disposed on the connecting shaft 110, the limiting member 120 is an elastic member, when the connecting shaft 110 is inserted into the connecting member 210, the limiting member 120 is compressed by the pressure of the inner wall of the connecting member 210, so that the connecting shaft 110 can be inserted into the connecting member 210, and when the position of the limiting member 120 corresponds to the position of the limiting hole 211, the limiting member 120 can extend out from the limiting hole 211 due to no pressure applied to the limiting member 120, thereby achieving locking.

When unlocking, only the limiting member 120 needs to be pressed downwards by applying pressure at the limiting hole 211, and then one end of the connecting shaft 110 is pulled out, so that unlocking can be realized.

In the embodiment, the limit member 120 is inserted into one end of the fan blade 200, so if one side of the motor shaft 310 is inserted, the motor shaft 310 is easily damaged, and the service life of the motor shaft 310 is reduced, and in an actual process, the connection manner is more complicated than that of the motor shaft 310. The locking is realized by clamping the limiting piece 120 with the limiting hole 211 on the connecting piece 210, the locking mode is simple, the structure is simple, the parts are simplified, the limiting piece 120 is convenient to unlock by the arrangement mode, and the unlocking can be realized only by pressing the limiting piece 120 downwards at the limiting hole 211 and drawing out the connecting shaft 110 during unlocking.

Further, referring to fig. 3, one end of the stopper 120 is connected to the connecting shaft 110, and the other end thereof elastically protrudes outward along the outer surface of the connecting shaft 110.

In the present embodiment, when the connecting shaft 110 is inserted into the connecting member 210, the outer side wall of the connecting shaft 110 is attached to the inner side wall of the connecting member 210. Therefore, in order to realize the effect, after the two are inserted, the limiting member 120 can also extend into the limiting hole 211, in a natural state, the end of the limiting member 120 is protruded outwards along the surface of the connecting shaft 110, and the plane where the end of the limiting member 120 is located can be on the same plane with the outer surface of the connecting shaft 110 under the action of pressure.

In the present embodiment, one end of the position-limiting element 120 is connected to the connecting shaft 110, so as to prevent the position-limiting element 120 from being lost due to excessive parts and small parts. The other end of the limiting member 120 is elastically protruded outwards along the outer surface of the connecting shaft 110, the elasticity is set to ensure that the connecting shaft 110 can be inserted into the connecting member 210, and the protrusion is set to ensure that the limiting member 120 can be engaged with the limiting hole 211.

Further, referring to fig. 3 to 5, the connection shaft 110 includes: the mounting seat 111 is arranged in the connecting shaft 110, and one end of the limiting member 120 is connected with the mounting seat 111; and the shaft hole 112 is formed in the surface of the connecting shaft 110, and the end of the limiting member 120 can extend out of the shaft hole 112.

In the present embodiment, the mounting seat 111 is for mounting the limiting element 120, the mounting seat 111 is disposed inside the connecting shaft 110, and further, one end of the limiting element 120 connected to the connecting shaft 110 is disposed inside the connecting shaft 110. The surface of the connecting shaft 110 is provided with a through shaft hole 112, so that the limiting member 120 installed inside the connecting shaft 110 can be conveniently extended through the shaft hole 112 to be matched and clamped with the hollow core 211.

In the present embodiment, the mounting seat 111 is provided to further mount and stabilize the limiting member 120. The mounting seat 111 is disposed inside the connecting shaft 110, so as to provide a certain deformation space for the elastic limiting member 120, when the limiting member 120 is compressed, the elastic limiting member can be pressed into the connecting shaft 110, so that the connecting shaft 110 can be conveniently inserted, and when the limiting member 120 is not compressed, there is enough space for the limiting member 120 to deform. The surface of the connecting shaft 110 is provided with a through shaft hole 112, so that the limiting member 120 installed inside the connecting shaft 110 can be conveniently matched and clamped with the hollow core 211 through the shaft hole 112.

Further, referring to fig. 3, the stopper 120 includes: one end of the elastic element 121 is arranged in the mounting seat 111; the clamping piece 122, the clamping piece 122 is connected with the other end of the elastic piece 121, and at least part of the clamping piece 122 extends out of the shaft hole 112.

In the embodiment, the limiting member 120 is specifically composed of an elastic member 121 and a clamping member 122. The elastic member 121 is specifically a spring, an end of the spring is connected to the mounting base 111, and the other end of the spring is connected to the clip member 122. The clamping member 122 is a spherical ball, and the diameter of the ball can ensure that at least part of the ball extends out of the shaft hole 112 and is clamped with the limiting hole 211.

In the present embodiment, the elastic member 121 is preferably a spring because the spring is lighter, simpler in structure, lower in cost, and easily available. The reason why the spherical structure is gradually changed in diameter size is that the spherical ball 122 is set as a spherical ball, the diameter size is not suddenly changed, it is easier to ensure that at least part of the spherical ball extends out of the shaft hole 112 and is clamped with the limiting hole 211, and in the structure meeting the condition, the spherical ball is a part which is easier to obtain and easy to process. On the other hand, the spherical ball structure can protect the inner side surface of the connecting member 210 when being plugged.

Further, referring to fig. 3 to 5, the connecting shaft 110 further includes: and a mounting shaft 113, the mounting shaft 113 being disposed in the connecting shaft 110 to form a space with the surface of the connecting shaft 110, and the mounting seat 111 being disposed on the mounting shaft 113.

In this embodiment, the interior of the first end of the connecting shaft 110 is a hollow structure, in order to mount the elastic member 121, the mounting shaft 113 is disposed inside the first end of the connecting shaft 110, the mounting seat 111 is disposed on the mounting shaft 113, the end of the elastic member 121 can abut against the mounting shaft 113, and the elastic member 121 can be compressed by applying a corresponding force after the limiting member 120 is stressed.

In this embodiment, the connecting shaft 110 is hollow, so as to reduce the weight of the connecting shaft 110, facilitate installation and save materials. In addition, the installation shaft 113 is provided to avoid forming the installation seat 111 by directly punching the connection shaft 110, the installation of the elastic member 121 is troublesome in punching operation, and it is difficult to ensure the one-to-one correspondence of punching positions.

Further, referring to fig. 3-5, at least one of the limiting members 120 and the corresponding limiting holes 211 is provided, and when there are a plurality of limiting members 120, the limiting members 120 are distributed along the axial direction of the connecting shaft 110 and are engaged with the corresponding limiting holes 211.

In this embodiment, in order to ensure that the limiting members 120 can extend into the limiting holes 211 and be clamped in the limiting holes 211, the positions of the plurality of limiting members 120 circumferentially arranged on the connecting shaft 110 should correspond to the positions of the plurality of limiting holes 211 circumferentially arranged on the connecting member 210.

In the present embodiment, a plurality of position-limiting members 120 and a plurality of position-limiting holes 211 are provided, and the positions are correspondingly set, so that the connection between the connecting shaft 110 and the connecting member 210 is more stable.

Further, referring to fig. 5, the second end of the connecting shaft 110 is provided with an internal thread 114, and the internal thread 114 can be threadedly coupled with the motor shaft 310.

In this embodiment, one end of the connecting shaft 110 is inserted into the fan blade 200 and locked by the limiting member 120, and the second end of the connecting shaft 110 is matched with the motor 300 in a manner that the connecting shaft 110 is provided with an internal thread 114 capable of being in threaded fit connection with a thread on the motor shaft 310.

In this embodiment, the motor shaft 310 itself is a protruding shaft body, and the motor 300 is a structure rotating at a high speed and is easily damaged, so that the motor shaft 310 is inserted into the second end and screwed by providing an internal thread at the second end, which facilitates to protect the motor shaft 310 from being damaged.

Further, the screwing direction of the internal thread 114 and the motor shaft 310 is the same as the rotation direction of the motor shaft 310.

In this embodiment, since the motor shaft 310 rotates and the clicker 310 is rotatably engaged with the internal thread 114 when the clicker 310 is threadedly engaged with the internal thread 114, in order to prevent the motor shaft 310 from rotating to be unscrewed and detached from the connecting shaft 110, the screwing direction of the internal thread 114 and the motor shaft 310 is set to be the same as the rotating direction of the motor shaft 310, which is more convenient for the structural connection to be stable.

The second embodiment:

in a specific embodiment, referring to fig. 6-8, an air conditioner includes: a motor 300; a fan blade 200; as for the fixing structure 100 of any of the above embodiments, the fixing structure 100 connects the motor 300 and the fan blade 200.

In this embodiment, the fan blade 200 and the motor 300 connected in the present application are both the motor 300 and the fan blade 200 on the air conditioner, wherein the fan blade 200 in the present application is a cross-flow fan blade, and the fixing structure 100 provided in the present application can connect a cross-flow fan and a motor in the air conditioner.

Further, referring to fig. 6 to 8, the fan blade 200 includes: the connecting piece 210, the connecting piece 210 can be sleeved with the connecting shaft 110 on the fixed structure 100; the limiting hole 211, the limiting hole 211 is arranged on the connecting piece 210, and the limiting hole 211 is clamped with the limiting piece 120 on the fixing structure 100; and the guide structure 212 is arranged at the end part of the connecting piece 210 and arranged on the inner wall of the connecting piece 210, and the guide structure 212 is an inclined plane.

In this embodiment, the fan blade 200 includes a connecting member 210 and a limiting hole 211, which are matched with the fixing structure 100, and besides, a guiding structure 212 is further disposed at an end of the connecting member 210. The guide structure 212 is disposed at an end of the connecting member 210, which is far away from the fan blade 200, and is an end of the connecting shaft 110 which is first abutted when the connecting shaft is inserted, and the guide structure 212 is for facilitating insertion of the connecting shaft 110 into the connecting member 210, reducing resistance of the protruding limiting member 120 in the insertion process, and applying pressure to the limiting member 120, so that an end portion of the limiting member can be located on the same horizontal plane with an outer surface of the connecting shaft 110, thereby facilitating the insertion. The guiding structure 212 is disposed on the inner wall of the connecting member 210, and is an inclined broken surface, which is inclined from the end far away from the blade 200 to the end near the blade 200, and is inclined towards the inside of the connecting member 210.

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 (11)

1. The utility model provides a fixed knot constructs, its characterized in that, fixed knot constructs (100) and connects fan blade (200) and motor (300) of air conditioner, fixed knot constructs (100) and includes:

the first end of the connecting shaft (110) is connected with the fan blade (200), and the second end of the connecting shaft (110) is connected with the motor (300);

the limiting piece (120), the limiting piece (120) is arranged on the connecting shaft (110), and the limiting piece (120) is used for locking the connecting shaft (110) and the fan blade (200) and/or the motor (300);

the limiting piece (120) is arranged at one end of the connecting shaft (110) in an inserted manner, the limiting piece (120) is locked with the fan blade (200) and/or the motor (300) in a locked state, and when the limiting piece (120) is pressed, the limiting piece (120) can be unlocked from the fan blade (200) and/or the motor (300).

2. The fixing structure of claim 1, wherein the fan blade (200) is provided with a connecting piece (210), and the connecting piece (210) is provided with a limiting hole (211);

the first end of the connecting shaft (110) is matched with the connecting piece (210), and the limiting piece (120) is arranged at the first end;

when the connecting shaft (110) is matched with the connecting piece (210), the limiting piece (120) is clamped with the limiting hole (211).

3. The fixing structure according to claim 2, wherein one end of the stopper (120) is connected to the connecting shaft (110), and the other end thereof elastically protrudes outward along an outer surface of the connecting shaft (110).

4. The fixing structure according to claim 3, wherein the connecting shaft (110) includes:

the mounting seat (111) is arranged in the connecting shaft (110), and one end of the limiting piece (120) is connected with the mounting seat (111);

the shaft hole (112), shaft hole (112) are located the surface of connecting axle (110), the tip of locating part (120) can stretch out shaft hole (112).

5. The fixing structure according to claim 4, wherein the stopper (120) comprises:

one end of the elastic piece (121) is arranged in the mounting seat (111);

joint spare (122), joint spare (122) with the other end of elastic component (121) is connected, at least part of joint spare (122) stretches out shaft hole (112).

6. The fixing structure according to claim 4, wherein the connecting shaft (110) further comprises:

a mounting shaft (113), wherein the mounting shaft (113) is arranged in the connecting shaft (110), a gap is formed between the mounting shaft (113) and the inner surface of the connecting shaft (110), and the mounting seat (111) is arranged on the mounting shaft (113);

after one end of the limiting piece (120) is connected with the mounting base (111), the other end of the limiting piece (120) extends out of the shaft hole (112) through the gap.

7. The fixing structure according to claim 2, wherein at least one of the limiting members (120) and the corresponding limiting holes (211) are provided, and when there are a plurality of limiting members (120), the limiting members (120) are distributed along the axial direction of the connecting shaft (110) and are engaged with the corresponding limiting holes (211).

8. The fixing structure according to any one of claims 1 to 6, wherein the second end of the connecting shaft (110) is provided with an internal thread (114), the internal thread (114) being capable of being threadedly connected with a motor shaft (310) of the motor (300).

9. The fixing structure according to claim 8, wherein a screwing direction of the internal thread (114) and the motor shaft (310) is the same as a rotation direction of the motor shaft (310).

10. An air conditioner, characterized in that the air conditioner comprises:

a motor (300);

a fan blade (200);

the fixed structure (100) of any one of claims 1 to 9, the fixed structure (100) connecting the motor (300) and the fan blade (200).

11. The air conditioner according to claim 10, characterized in that the fan blades (200) comprise:

the connecting piece (210), the said connecting piece (210) can be with the connecting axle (110) on the said fixed structure (100) to socket joint;

the limiting hole (211) is formed in the connecting piece (210), and the limiting hole (211) is clamped with the limiting piece (120) on the fixing structure (100);

the guide structure (212) is arranged at the end part of the connecting piece (210) and arranged on the inner wall of the connecting piece (210), and the guide structure (212) is an inclined plane.

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