CN111852954B

CN111852954B - Jib subassembly and ceiling fan

Info

Publication number: CN111852954B
Application number: CN201910335406.8A
Authority: CN
Inventors: 梁耀光; 许玉龙; 张简全裕; 李灼焜; 吴孔升; 崔世强; 梁丽
Original assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2022-05-13
Anticipated expiration: 2039-04-24
Also published as: CN111852954A

Abstract

The embodiment of the application provides a suspender component and a ceiling fan, wherein the suspender component comprises a suspender, a motor, a protection rope, a first power supply insertion part and a second power supply insertion part; the motor is suspended on the suspension rod; one end of the protection rope is connected with the motor, and the motor can be hung on the protection rope under the condition that the suspension rod is disconnected with the motor; the first power supply plug part is connected with the motor; the first power supply plug part is in plug fit with the second power supply plug part; under the condition that the suspender is disconnected with the motor, the first power supply plugging part and the second power supply plugging part are mutually separated. The jib subassembly of this application embodiment, the junction disconnection of jib and motor, the motor drives first power grafting portion and weighs down, hangs in the lower extreme of protection rope until the motor, owing to break away from each other between first power grafting portion and the second power grafting portion this moment, and the power of motor is cut off, and the motor stop work for the flabellum of ceiling fan can not rotate, promotes the security of ceiling fan.

Description

Jib subassembly and ceiling fan

Technical Field

The application relates to the technical field of electrical safety, especially, relate to a jib subassembly and ceiling fan.

Background

The ceiling fan motor hangs in the lower extreme of jib, and among the correlation technique, ceiling fan motor and the connected mode of jib do: the suspender is connected with the motor through a bolt, and the bolt bears shearing force. Operating personnel can have the bolt installation not in place in the installation, perhaps, the bolt bears fatigue load in the long-term use of ceiling fan, probably produces fatigue crack and then produces the condition that the fracture became invalid, so can lead to the motor to drop from the jib, and the motor whereabouts plays the effect of dragging temporarily by the protection rope to the motor, so can prevent that the motor from directly falling to injure people, thing etc.. However, when the motor and the suspension rod in the related art are installed in such a way that the motor falls off from the suspension rod, the power supply of the motor is still not cut off, so that the ceiling fan continuously rotates in the air in a swinging manner, and secondary damage to people and objects is easily caused; furthermore, when the maintenance personnel maintain the ceiling fan, if the power supply of the motor is not cut off, the maintenance personnel can be caused to have electric shock accidents.

Disclosure of Invention

In view of the above, it is desirable to provide a ceiling fan and a ceiling fan assembly with high safety.

In order to achieve the above object, an aspect of the embodiments of the present application provides a suspension rod assembly, which includes a suspension rod, a motor, a protection rope, a first power plug part, and a second power plug part; the motor is suspended on the suspension rod; one end of the protection rope is connected with the motor, and the motor can be hung on the protection rope under the condition that the suspension rod is disconnected from the motor; the first power supply plug part is connected with the motor; the first power supply plug part is in plug fit with the second power supply plug part; under the condition that the suspension rod is disconnected from the motor, the first power supply plugging part and the second power supply plugging part are mutually separated.

Further, the first power plug part comprises a first conductive terminal extending along the vertical direction; the second power supply plug part comprises a second conductive terminal, the second conductive terminal extends along the vertical direction, and the first conductive terminal is in plug-in fit with the second conductive terminal.

Further, the suspender assembly comprises a fixed seat connected with the motor, the fixed seat comprises a main body part, and an accommodating space is formed in the main body part; the first power supply plug part comprises a first conductive terminal and an insulating shell, the first conductive terminal is connected with the insulating shell, and the insulating shell is embedded in the accommodating space.

Furthermore, the first power supply plug part also comprises an elastic part; the elastic part protrudes out of the circumferential outer surface of the insulating shell, and the elastic part is elastically abutted to the inner wall of the accommodating space.

Furthermore, the elastic part is formed into an elastic sheet, the bottom end of the elastic sheet is fixedly connected with the surface of the insulating shell, the top end of the elastic sheet is a free end, and a gap is formed between the top end of the elastic sheet and the outer surface of the insulating shell.

Further, a flange structure is formed on the top of the insulating housing, and the main body portion abuts against a bottom surface of the flange structure.

Further, the edge of main part is formed with the screw hole, the jib subassembly includes stop screw, stop screw with screw hole threaded connection, stop screw is formed with the nut, the flange structure clamp is located the nut with the top surface of main part between.

Furthermore, the motor comprises a power part and a connecting shaft protruding out of the top of the power part, and the hanger rod is sleeved with the connecting shaft; the fixing seat comprises a sleeve part connected to one side of the main body part in the transverse direction, and the sleeve part is fixedly sleeved on the connecting shaft.

Furthermore, the fixing seat further comprises a blocking piece, the blocking piece extends along the lateral direction of the sleeve portion, one end, close to the sleeve portion, of the blocking piece is connected with the sleeve portion or the main body portion, the other end of the blocking piece is a free end, the free end of the blocking piece is located below the insulating shell, and a wire passing gap is formed between the free end of the blocking piece and the main body portion.

Furthermore, the interior of the hanger rod is hollow, a wire inlet and a wire outlet are formed in the hanger rod, and the protection rope penetrates through the wire inlet, the interior of the hanger rod and the wire outlet.

A second aspect of an embodiment of the present application provides a ceiling fan comprising fan blades and any of the above-described boom assemblies, the fan blades being drivingly connected to the motor.

According to the suspender component of the embodiment of the application, the suspender component is applied to a ceiling fan and is installed on a ceiling as an example, the top of the suspender is fixedly connected with the ceiling, and the motor is suspended at the bottom of the suspender; one end of the protection rope is connected with the motor, and the other end of the protection rope is fixedly connected with the ceiling; under the normal working condition, the motor is suspended in the air by the suspender, and the protection rope is basically not stressed, namely the protection rope does not apply tension to the motor; when the junction of jib and motor breaks down, lead to the junction disconnection of jib and motor, the motor drives first power grafting portion and drops down, and until the motor hangs in the lower extreme of protection rope, owing to break away from each other between first power grafting portion and the second power grafting portion this moment, the power of motor is cut off, and the motor stop work for the flabellum of ceiling fan can not rotate, promotes the security of ceiling fan. .

Drawings

FIG. 1 is a schematic illustration of a boom assembly according to an embodiment of the present application;

FIG. 2 is an exploded view of the structure shown in FIG. 1;

fig. 3 is a schematic view of a matching structure of a fixing base, a first power plug part and a limit screw according to an embodiment of the present application;

FIG. 4 is a schematic view of a structure of FIG. 3 in combination with a transition power line;

FIG. 5 is a schematic structural diagram of a fixing base according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a first power plug according to an embodiment of the present application;

FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;

fig. 8 is a schematic diagram of the structure shown in fig. 3 and a second power plug.

Description of the reference numerals

A boom 10; a wire inlet 10 b; an outlet 10 a; a motor 20; a connecting shaft 21; a power section 22; a protective rope 30; a first power supply jack 40; an insulating case 41; the flange structure 42; a first conductive terminal 43; an elastic part 44, an elastic piece 44'; a groove 401; a second power supply insertion part 50; a fixed base 60; a main body portion 61; the sleeve portion 62; a connection hole 620; a stopper 63; an accommodating space 601; screw holes 602; a limit screw 70; a nut 701; a first transition wire 81; second transition wire 82

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

In the description of the present application, "upper", "lower", "top", "bottom", orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, it being understood that such orientation terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

The circumferential direction of the insulating housing refers to a direction of the insulating housing surrounding the accommodating space.

Referring to fig. 1 and 2, the boom assembly includes a boom 10, a motor 20, a first power plug 40, a second power plug 50, and a protection rope 30; wherein, the motor 20 is suspended on the suspension rod 10, that is, the suspension rod 10 exerts pulling force, so that the motor 20 can be suspended and installed; one end of the protection rope 30 is connected with the motor 20, and the motor 20 is suspended on the protection rope 30 under the condition that the suspension rod 10 is disconnected from the motor 20, that is, the protection rope 30 plays a role in protecting the motor 20 and other structures connected with the motor 20 safely; the first power plug-in part 40 is connected with the motor 20, the second power plug-in part 50 is in plug-in fit with the first power plug-in part 40, and the first power plug-in part 40 is separated from the second power plug-in part 50 under the condition that the suspension rod 10 is disconnected from the motor 20.

In the suspension rod assembly of the embodiment of the application, for example, the suspension rod assembly is applied to a ceiling fan and is installed on a ceiling, the top of the suspension rod 10 is fixedly connected with the ceiling, and the motor 20 is suspended at the bottom of the suspension rod 10; one end of the protection rope 30 is connected with the motor 20, and the other end is fixedly connected with the ceiling; under normal working conditions, the motor 20 is suspended in the air by virtue of the suspension rod 10, and the protection rope 30 is basically not stressed, namely the protection rope 30 does not apply pulling force to the motor 20; when the connection between the suspension rod 10 and the motor 20 is failed, the connection between the suspension rod 10 and the motor 20 is disconnected, the motor 20 falls under the self gravity, the motor 20 drives the first power supply plugging part 40 to move downwards, so that the first power supply plugging part 40 and the second power supply plugging part 50 are separated until the protection rope 30 is straightened, the protection rope 30 exerts pulling force on the motor 20, the motor 20 is hung at the lower end of the protection rope 30, at the moment, because the first power supply plugging part 40 and the second power supply plugging part 50 are separated from each other, the power supply of the motor 20 is cut off, the motor 20 stops working, so that the fan blades of the ceiling fan cannot rotate, secondary damage to surrounding people or objects due to rotation of the fan blades is avoided, and the safety of the ceiling fan is improved.

It will be appreciated that the second power supply socket 50 may be electrically connected directly to the electrical wires reserved on the ceiling, i.e. when installed, the electrical wires are electrically connected directly to the second power supply socket 50; or the additional electric wire can be electrically connected with the electric wire connector reserved on the ceiling through a section of additional electric wire, and the additional electric wire is electrically connected with the electric wire connector when the ceiling is installed. Specifically, in the embodiment of the present application, referring to fig. 2, the boom assembly further includes a first transition wire 81, and one end of the first transition wire 81 is electrically connected to the second power plug 50.

Exemplarily, the interior of the hanger rod 10 is hollow, the hanger rod 10 is provided with a wire inlet 10b and a wire outlet 10a, the wire inlet 10b is located below the wire outlet 10a, the first transition wire 81 and the protection rope 30 are all arranged in the wire inlet 10b, the interior of the hanger rod 10 and the wire outlet 10a in a penetrating manner, the first transition wire 81 and the protection rope 30 can be partially arranged in the hanger rod 10, the appearance of the hanger rod assembly can be neat and attractive, in addition, in the process of carrying the hanger rod assembly, the first transition wire 81 and the protection rope 30 can be prevented from being wound on other structures to a certain extent, and the first transition wire 81 and the protection rope 30 are protected.

For example, referring to fig. 2, the motor 20 includes a power portion 22 and a connecting shaft 21 protruding from the top of the power portion 22, and the suspension rod 10 is sleeved on the connecting shaft 21 and fastened by a connecting member, which may be a bolt, a screw, or the like.

In order to facilitate the insertion and engagement between the first power plug-in portion 40 and the second power plug-in portion 50, please refer to fig. 6, the first power plug-in portion 40 includes an insulating housing 41 and a first conductive terminal 43, the first conductive terminal 43 is connected to the insulating housing 41, the first conductive terminal 43 extends along a vertical direction, the second power plug-in portion 50 includes a second conductive terminal, the second conductive terminal extends along a vertical direction (not shown), the first conductive terminal 43 and the second conductive terminal are inserted and engaged, when the motor 20 descends under its own weight, the first power plug-in portion 40 is driven to descend, so that the first conductive terminal 43 is separated from the second conductive terminal along the vertical direction, the separation process basically does not form a lateral force on the second conductive terminal, the separation resistance between the first conductive terminal 43 and the second conductive terminal is small, and the electrical connection between the first conductive terminal 43 and the second conductive terminal can be reliably disconnected, therefore, the reliability of the power failure between the first power supply socket 40 and the second power supply socket 50 can be greatly improved.

One of the first conductive terminal 43 and the second conductive terminal is a column structure, and the other one is a concave hole structure. Since the second power plug 50 where the second conductive terminal is located is always connected to the power grid, in order to avoid electric shock by mistake during the wiring operation of the operator, in the embodiment of the present application, the second conductive terminal is a concave hole structure, the first conductive terminal 43 is a cylindrical structure, and when the first conductive terminal 43 is not plugged with the second conductive terminal, the first conductive terminal 43 is not powered on, so that there is no electric shock hazard.

Further, in order to protect the first conductive terminal 43 in the form of a cylinder and prevent the first conductive terminal 43 from being scratched and damaged in the processes of carrying, storing, installing and the like, in the embodiment of the present application, please refer to fig. 4, a groove 401 is formed in the first power plug 40, and the first conductive terminal 43 is located in the groove 401. The second conductive terminal extends into the recess 401 to mate with the first conductive terminal 43.

It should be noted that the first power supply plug part 40 is electrically connected to the motor 20, and the motor 20 obtains power supply through the first power supply plug part 40. Further, referring to fig. 4, the suspension rod assembly further includes a second transition wire 82, one end of the second transition wire 82 is electrically connected to the first power plug 40, and the other end of the second transition wire 82 is electrically connected to the motor 20, so as to facilitate the electrical connection between the first power plug 40 and the motor 20.

In order to facilitate the installation of the first power plug 40, in an embodiment, referring to fig. 2 and 5, the boom assembly further includes a fixing base 60 connected to the motor 20, the fixing base 60 includes a main body portion 61, a receiving space 601 is formed on the main body portion 61, and at least a part of the main body portion 61 is embedded in the receiving space 601, that is, the fixing base 60 provides an installation and support space for the first power plug 40. When the first power supply plugging part 40 is connected with the fixing seat 60, at least part of the structure of the main body part 61 is embedded into the accommodating space 601, so that the first power supply plugging part 40 can be quickly and preliminarily positioned, and the installation time can be saved.

In order to improve the assembly speed and reliability of the first power plug-in unit 40 and the fixing base 60, in one embodiment, please refer to fig. 6 and 7, the first power plug-in unit 40 further includes an elastic unit 44; the elastic portion 44 protrudes from the outer circumferential surface of the insulating housing 41, and the elastic portion 44 elastically abuts against the inner wall of the accommodating space 601. When assembling, the insulating housing 41 is inserted into the accommodating space 601, the elastic portion 44 is pressed, and the elastic portion 44 abuts against the inner wall of the accommodating space 601 under the elastic force, so that the insulating housing can be relatively stably installed in the accommodating space 601.

The form of the elastic portion 44 is not limited, and may be, for example, a rubber protrusion, a spring plate, or the like. In an embodiment of the present application, referring to fig. 6 and 7, the elastic portion 44 is formed as an elastic sheet 44 ', and the elastic sheet 44 ' is disposed on one side of the insulating housing 41 in a substantially inclined manner, specifically, a bottom end of the elastic sheet 44 ' is fixedly connected to a surface of the insulating housing 41, a top end of the elastic sheet 44 ' is a free end, and a space is formed between the top end of the elastic sheet 44 ' and an outer surface of the insulating housing 41. That is, the elastic pieces 44' generally form a barb structure, and can more reliably position the insulating housing 41 in the accommodating space 601. For ease of manufacturing, the resilient tab 44 'may be integrally formed with the insulating housing 41, for example, as an integrally molded plastic part, so that assembly of the resilient tab 44' and the insulating housing 41 is not required.

Further, referring to fig. 6 and 7, a flange structure 42 is formed on the top of the insulating housing 41, and the top of the main body 61 abuts against the bottom surface of the flange structure 42. During assembly, the insulating housing 41 is inserted into the accommodating space 601 until the bottom surface of the flange structure 42 abuts against the top of the main body portion 61, and the insulating housing 41 is inserted in place, so that the assembly speed can be increased without manual positioning.

In order to further improve the connection reliability of the first power supply plugging portion 40 and the fixing base 60, in the embodiment of the present application, please refer to fig. 5, a screw hole 602 is formed at an edge of the main body portion 61, please refer to fig. 3 and 8, the suspension rod assembly includes a limit screw 70, the limit screw 70 is in threaded connection with the screw hole 602, the limit screw 70 is formed with a nut 701, and the flange structure 42 is clamped between the nut 701 and the top surface of the main body portion 61. During the assembly, after embedding accommodation space 601 with insulating housing 41, twist stop screw 70 in screw hole 602, until nut 701 and flange structure 42's top butt, this scheme need not trompil on insulating housing 41, consequently can not additionally increase insulating housing 41's size, carries on spacingly through nut 701 to flange structure 42, further promotes fixing base 60 and first power grafting portion 40's connection reliability.

In order to facilitate the connection between the fixing base 60 and the motor 20, in an embodiment, the fixing base 60 further includes a sleeve portion 62, and the sleeve portion 62 is fixedly sleeved on the connecting shaft 21, for example, fixed to the connecting shaft 21 by bolts, screws, or the like. That is to say, the fixing base 60 is connected with the connecting shaft 21 through the sleeve portion 62, the sleeve portion 62 can play a good positioning role for the fixing base 60, and the sleeve portion 62 and the connecting shaft 21 are in socket joint, so that the connection mode is reliable, and the fixing base 60 cannot fall off from the connecting shaft 21.

Illustratively, the sleeve portion 62 and the connecting shaft 21 are fixedly sleeved: referring to fig. 4, the sleeve portion 62 is formed with a connection hole 620, and a connection member such as a screw passes through the connection hole 620, and an end of the connection member abuts against a surface of the connection shaft, or the connection member is directly inserted into the connection shaft.

In an embodiment, referring to fig. 4 and 5, the fixing base 60 further includes a blocking piece 63, the blocking piece 63 is disposed substantially transversely, specifically, the blocking piece 63 extends along a lateral direction of the sleeve portion 62, one end of the blocking piece 63 close to the sleeve portion 62 is connected to the sleeve portion 62 or the main body portion 61, the other end of the blocking piece 63 is a free end, the free end of the blocking piece 63 is located below the insulating housing 41, a wire passing gap is provided between the free end of the blocking piece 63 and the main body portion 61, the free end of the blocking piece 63 is used for changing a direction of the second transition wire 82, and the second transition wire 82 is deviated from a vertical direction, so that the second transition wire 82 is slightly far away from the connecting shaft 21, and problems such as abrasion or interference caused by the second transition wire 82 being too close to the connecting shaft 21 are avoided.

A second aspect of the present invention provides a ceiling fan comprising fan blades and a hanger bar assembly as described above, wherein the fan blades are drivingly connected to a motor 20. The ceiling fan of the embodiment of the application, when connecting pieces such as the bolt or the screw of the junction of the suspender 10 and the motor 20 bear the cyclic load and the fracture occurs, the motor 20 and the fan blades are suspended through the above-mentioned protection rope 30, meanwhile, the first power supply insertion part 40 is electrically disconnected with the second power supply insertion part 50, the motor 20 is in the power-off state, the fan blades can stop rotating gradually, so that the fan blades can be prevented from continuing to rotate and causing secondary damage to people and things around, and the safety of the ceiling fan can be improved.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A boom assembly, comprising:

a boom (10);

a motor (20), said motor (20) being suspended from said boom (10);

a protection rope (30), one end of the protection rope (30) is connected with the motor (20), and the motor (20) can be hung on the protection rope (30) under the condition that the suspension rod (10) is disconnected from the motor (20);

a first power supply socket (40), the first power supply socket (40) being connected to the motor (20);

the first power supply plug part (40) is in plug fit with the second power supply plug part (50); the first power supply plug part (40) and the second power supply plug part (50) are mutually separated under the condition that the suspension rod (10) is disconnected from the motor (20);

the fixing seat (60) is connected with the motor (20), the fixing seat (60) comprises a main body part (61), an accommodating space (601) is formed in the main body part (61), the first power supply plugging part (40) comprises a first conductive terminal (43) and an insulating shell (41), the first conductive terminal (43) is connected with the insulating shell (41), and the insulating shell (41) is embedded in the accommodating space (601).

2. The boom assembly of claim 1, wherein the first conductive terminal (43) extends in a vertical direction; the second power supply plug-in part (50) comprises a second conductive terminal, the second conductive terminal extends along the vertical direction, and the first conductive terminal (43) is in plug-in fit with the second conductive terminal.

3. The boom assembly of claim 1, wherein the first power plug (40) further comprises a resilient portion (44); the elastic part (44) protrudes out of the circumferential outer surface of the insulating shell (41), and the elastic part (44) is elastically abutted to the inner wall of the accommodating space (601).

4. The boom assembly according to claim 3, wherein the elastic portion (44) is formed as a spring piece (44 '), a bottom end of the spring piece (44') is fixedly connected with a surface of the insulating housing (41), a top end of the spring piece (44 ') is a free end, and a space is provided between the top end of the spring piece (44') and an outer surface of the insulating housing (41).

5. The boom assembly of claim 1, wherein a top of the insulating housing (41) is formed with a flange structure (42), the body portion (61) abutting a bottom surface of the flange structure (42).

6. The boom assembly of claim 5, wherein the edge of the main body portion (61) is formed with a screw hole (602), the boom assembly comprising a set screw (70), the set screw (70) being in threaded connection with the screw hole (602), the set screw (70) being formed with a nut (701), the flange structure (42) being sandwiched between the nut (701) and the top surface of the main body portion (61).

7. The boom assembly of claim 1, wherein the motor (20) comprises a power part (22) and a connecting shaft (21) protruding from the top of the power part (22), and the boom (10) is sleeved with the connecting shaft (21); the fixing seat (60) comprises a sleeve part (62) connected to one side of the main body part (61) in the transverse direction, and the sleeve part (62) is fixedly sleeved on the connecting shaft (21).

8. The boom assembly of claim 7, wherein the fixing base (60) further comprises a blocking piece (63), the blocking piece (63) extends along a lateral direction of the sleeve portion (62), one end of the blocking piece (63) close to the sleeve portion (62) is connected with the sleeve portion (62) or the main body portion (61), the other end of the blocking piece (63) is a free end, the free end of the blocking piece (63) is located below the insulating housing (41), and a wire passing gap is formed between the free end of the blocking piece (63) and the main body portion (61).

9. The boom assembly of claim 1, wherein the boom (10) is hollow inside, the boom (10) is formed with an inlet (10b) and an outlet (10a), and the protective rope (30) passes through the inlet (10b), the inside of the boom (10) and the outlet (10 a).

10. A ceiling fan comprising fan blades and the hanger bar assembly of any one of claims 1-9, said fan blades being drivingly connected to said motor (20).