CN218480685U

CN218480685U - On-hook air conditioner outdoor unit with coaxial motor

Info

Publication number: CN218480685U
Application number: CN202222380678.XU
Authority: CN
Inventors: 张磊; 王凯; 张洪志
Original assignee: Qingdao Aucma Environmental Technology Co ltd
Current assignee: Qingdao Aucma Environmental Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-14
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses an on-hook air conditioner outdoor unit with coaxial motor, including machine case shell, compressor, condenser, cooling fan and cross valve, wherein the cooling fan adopts coaxial motor drive, the outer axle rotation suit of drive is on the axle in the coaxial motor, both ends of both are equipped with driven gear and fan blade mount pad, the syntropy is installed, fixed mounting has the fan blade on the fan blade mount pad; the driving bracket is rotatably erected at the outer sides of the driving inner shaft and the driving outer shaft, and is rotatably provided with a driving gear which is meshed with the two driven gears; the output end of the driving motor penetrates through the driving support to be fixedly connected with the driving gear. The utility model has the advantages of compact and excellent structure and simple assembly, utilizes the coaxial motor to drive the double-layer fan to rotate positively and negatively at a constant speed, greatly improves the air supply volume of the air conditioner, and increases the air flow flowing through the surface of the condenser in unit time, thereby improving the heat exchange efficiency of the condenser; meanwhile, the reaction torque can be offset, the vibration is reduced, and the stability of the outer machine is effectively improved.

Description

On-hook air conditioner outdoor unit with coaxial motor

Technical Field

The utility model relates to an outer quick-witted technical field of air conditioner, concretely relates to on-hook air condensing units with coaxial motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the main function of the motor is to generate driving torque as a power source of electrical appliances or various machines, and the motors on the market are generally single-phase asynchronous motors, three-phase asynchronous motors and variable frequency motors. The fan motor in the air-conditioning industry generally adopts single-phase asynchronous motor at present, according to the demand of using, through the mains frequency who changes asynchronous motor, can obtain different rotational speeds, efficiency power is higher, reliable operation. However, the single-phase asynchronous motors for the air conditioner fan motor all adopt one motor to drive one shaft and one fan, although the cost is low, the working mode is single, the air output is small, the heat exchange efficiency is low, the heat exchange of the condenser is poor, the refrigerating and heating capacity is reduced, and the vibration of the machine body is large in the operation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the deficiencies of the prior art and providing an outdoor unit of an on-hook air conditioner with a coaxial motor.

In order to solve the technical problem, the utility model discloses a technical scheme is: an on-hook air conditioner outdoor unit with a coaxial motor comprises a case shell, a compressor, a condenser, a heat radiation fan and a four-way valve. The heat radiation fan comprises a coaxial motor and double-layer fan blades, wherein the coaxial motor comprises a driving motor, a driving bracket, a driving inner shaft and a driving outer shaft, one end of the driving inner shaft is fixedly provided with a first driven gear, and the other end of the driving inner shaft is fixedly provided with an outer fan blade mounting seat; the driving outer shaft is sleeved on the outer side of the driving inner shaft, a second driven gear is fixedly mounted at one end of the driving outer shaft, an inner fan blade mounting seat is fixedly arranged at the other end of the driving outer shaft, and a certain distance is reserved between the inner fan blade mounting seat and the outer fan blade mounting seat; two end parts of the driving bracket are respectively provided with a shaft hole, the shaft holes are respectively sleeved at the gear ends of the driving inner shaft and the driving outer shaft and are positioned at the outer sides of the first driven gear and the second driven gear, the driving gear is rotatably arranged at the inner side of the driving bracket and is positioned between the first driven gear and the second driven gear and is meshed with the first driven gear and the second driven gear; the driving motor is fixedly arranged on the base of the chassis shell, and the output end of the driving motor penetrates through the driving bracket to be fixedly connected with the driving gear; the double-layer fan blades are correspondingly arranged on the inner fan blade mounting seat and the outer fan blade mounting seat respectively.

Furthermore, the double-layer fan blades have the same structure and can rotate in the forward and reverse directions.

Preferably, the driving bracket is of a U-shaped structure, and two through holes in the driving bracket are coaxially arranged; the driving gear is rotatably installed inside the vertical rod of the driving bracket.

Furthermore, four fan fixing clamps are arranged on the circumferential outer side walls of the inner fan mounting seat and the outer fan mounting seat at equal intervals, clamping openings parallel to the rotating direction are formed in the outer end portions of the fan fixing clamps, and the fan is fixed on the corresponding fan fixing clamps through rivets.

Furthermore, the driving gear, the first driven gear and the second driven gear are all bevel gears, and the first driven gear and the second driven gear are installed oppositely.

Furthermore, the driving inner shaft, the driving outer shaft and the driving support rotate relatively and are transversely arranged on a support frame arranged in the chassis outer shell.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses utilize two fans of coaxial motor drive to carry out coaxial constant speed and just reversing, promote the air conditioner air output by a wide margin, increase the air mass flow on condenser surface in the unit interval to make it the flow rate accelerate, promote heat transfer coefficient, thereby improve condenser heat exchange efficiency, the heat transfer volume promotes greatly. Meanwhile, the structure is compact and excellent, the assembly is simple, the structure has high degree of engagement, the stability of the machine can be effectively improved, the vibration is reduced, and the overall performance of the air conditioner outdoor unit is improved.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is a schematic structural view of a coaxial motor according to the present invention;

in the figure: 1. the cooling device comprises a base, a compressor, a support frame, a cooling fan and a cooling fan, wherein the base is 2;

41. the fan blade fixing device comprises a driving inner shaft, 42, a first driven gear, 43, an outer fan blade mounting seat, 44, a driving outer shaft, 45, a second driven gear, 46, an inner fan blade mounting seat, 47, a driving support, 48, a driving gear, 49, a fan blade fixing clamp, 50, a clamping opening, 51, an outer fan blade, 52 and an inner fan blade.

Detailed Description

It should be noted that, in the description of the present invention, the terms such as "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of the components of the present invention, and are not specific to the fact that any component must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.

In addition, in the present invention, the descriptions referring to "first", "second", etc. are only used for the description purpose, and do not particularly refer to the order or sequence, and do not limit the present invention, and they are only used for distinguishing the components or operations described in the same technical terms, and they are not interpreted as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

as shown in fig. 1 to 3, an on-hook air conditioner outdoor unit with a coaxial motor comprises a casing, a compressor 2, a condenser, a heat dissipation fan 4, a four-way valve and a power supply, wherein the condenser is fixedly installed at the left rear side of the casing, and the heat dissipation fan 4 is fixedly installed on a casing base 1 through a support frame 3 and is located in front of the condenser; the compressor 2 is fixedly arranged inside the case shell close to the right side, and an isolation plate is additionally arranged between the compressor 2 and the cooling fan 4, so that the damage of the compressor 2 is avoided; the four-way valve is arranged above the compressor 2, is respectively communicated with the compressor 2 and the condenser, and controls the conversion of the refrigeration and heating functions of the four-way valve; the power supply is respectively connected with the components through lines and is connected with corresponding starting capacitors in series so as to prevent the lines from being burnt out.

The heat dissipation fan 4 comprises a coaxial motor and inner and outer double-layer fan blades, wherein the coaxial motor comprises a driving motor, a driving bracket 47, a driving inner shaft 41 and a driving outer shaft 44. As shown in fig. 4, a first driven gear 42 is fixedly mounted to a lower end portion of the driving inner shaft 41 by a key, and the first driven gear 42 is perpendicular to a central axis of the driving inner shaft 41; the upper end of the driving inner shaft 41 is fixedly provided with an outer fan mounting seat 43, four fan fixing clamps 49 are distributed on the circumferential outer side wall of the outer fan mounting seat 43 at equal intervals in a circumference manner, the outer fan fixing clamps and the outer fan mounting seat 43 are integrally formed, the number of the fan fixing clamps 49 can be changed at will according to actual requirements, the outer end parts of the fan fixing clamps 49 are provided with fan clamping openings 50, the clamping openings 50 are transversely arranged and are parallel to the rotating direction of the outer fan mounting seat 43, the inner ends of the outer fans 51 are inserted into the clamping openings 50, and the outer fans are fixedly arranged on the corresponding fan fixing clamps 49 through rivets. The driving outer shaft 44 is sleeved outside the shaft rod of the driving inner shaft 41 and can rotate relative to the driving inner shaft 41; the setting length of the driving outer shaft 44 is far shorter than that of the driving inner shaft 41, the lower end part of the driving outer shaft is fixedly provided with a second driven gear 45 through a key, and the second driven gear 45 is vertical to the central axis of the driving outer shaft 44; an inner fan blade mounting seat 46 is fixedly mounted at the upper end of the outer driving shaft 44, four fan blade fixing clamps 49 are equidistantly fixed on the circumferential outer side wall of the inner fan blade mounting seat 46 and are integrally formed with the inner fan blade mounting seat 46, the number of the fan blade fixing clamps 49 can be changed according to actual requirements, all the fan blade fixing clamps 49 are identical in structure, fan blade clamping openings 50 are formed in the outer end portions of the fan blade fixing clamps, the clamping openings 50 are transversely arranged, the inner ends of the inner fan blades 52 are inserted into the corresponding clamping openings 50, and the inner fan blades are fixed on the corresponding fan blade fixing clamps 49 through rivets. The inner fan blade 52 and the outer fan blade 51 have the same structure and are oppositely arranged; a certain space is provided between the inner fan blade mounting seat 46 and the outer fan blade mounting seat 43, so that the inner fan blade 52 and the outer fan blade 51 are prevented from interfering and colliding with each other in the rotation process. The first driven gear 42 and the second driven gear 45 are oppositely arranged and have a certain interval, the interval distance between the first driven gear 42 and the second driven gear 45 is just suitable for installing a driving gear 48, and the driving gear 48 is respectively meshed with the first driven gear 42 and the second driven gear 45; drive gear 48 rotates and installs on drive support 47, drive support 47 wholly is the setting of U type, its two tip all are equipped with the shaft hole, two coaxial settings in shaft hole, rotate the outside of suit in 41 and the outer axle 44 of drive respectively, the upper end shaft hole of drive support 47 is located the upside of second driven gear 45, the lower extreme shaft hole of drive support 47 is located the downside of first driven gear 42, play certain support fixed action, guarantee the coaxial spacing rotation of 41 and the outer axle 44 of drive in the drive simultaneously, shift around can not appearing, accomplish the real-time meshing between all gears. The center of the vertical wall of the driving bracket 47 is provided with a through hole which is coaxially opposite to the driving gear 48. The whole structure is transversely arranged in the chassis shell through a support frame 3 and is positioned in front of the condenser; the driving motor is vertically and fixedly arranged on the chassis base 1 through the motor base, and the output end of the driving motor penetrates through a through hole in the driving support 47 to be fixedly connected with the driving gear 48, so that rotating force is provided for the inner and outer double-layer fan blades, the positive and negative bidirectional rotation of the double-layer fan blades can offset reactive torque mutually, and the stability of the whole outer machine is improved; meanwhile, the double-layer fan blades can drive larger air output, and the heat dissipation efficiency is improved.

Preferably, the driving gear 48, the first driven gear 42 and the second driven gear 45 are all bevel gears for vertical engagement.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that the above description of the embodiments is only for illustrating the technical solutions of the present invention, and is not a limitation of the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention also belong to the protection scope of the present invention.

Claims

1. The utility model provides an on-hook air condensing units with coaxial motor, includes chassis exterior, compressor, condenser, cooling fan and cross valve, its characterized in that: the heat radiation fan comprises a coaxial motor and double-layer fan blades, wherein the coaxial motor comprises a driving motor, a driving bracket, a driving inner shaft and a driving outer shaft, one end of the driving inner shaft is fixedly provided with a first driven gear, and the other end of the driving inner shaft is fixedly provided with an outer fan blade mounting seat; the driving outer shaft is sleeved on the outer side of the driving inner shaft, a second driven gear is fixedly mounted at one end of the driving outer shaft, an inner fan blade mounting seat is fixedly arranged at the other end of the driving outer shaft, and a certain distance is reserved between the inner fan blade mounting seat and the outer fan blade mounting seat; two end parts of the driving bracket are respectively provided with a shaft hole, the shaft holes are respectively sleeved at the gear ends of the driving inner shaft and the driving outer shaft and are positioned at the outer sides of the first driven gear and the second driven gear, the driving gear is rotatably arranged at the inner side of the driving bracket and is positioned between the first driven gear and the second driven gear and is meshed with the first driven gear and the second driven gear; the driving motor is fixedly arranged on the base of the chassis shell, and the output end of the driving motor penetrates through the driving bracket to be fixedly connected with the driving gear; the double-layer fan blades are respectively and correspondingly arranged on the inner fan blade mounting seat and the outer fan blade mounting seat.

2. The outdoor unit of claim 1, wherein the outdoor unit of an on-hook air conditioner comprises a coaxial motor, and further comprising: the double-layer fan blades have the same structure and rotate in the positive and negative directions.

3. The outdoor unit of claim 1, wherein the outdoor unit of an on-hook air conditioner comprises a coaxial motor, and further comprising: the driving bracket is of a U-shaped structure, and two through holes in the driving bracket are coaxially arranged; the driving gear is rotatably installed inside the vertical rod of the driving bracket.

4. The outdoor unit of claim 1, wherein the outdoor unit of an on-hook air conditioner comprises a coaxial motor, and further comprising: the fan blade fixing device is characterized in that four fan blade fixing clamps are arranged on the circumferential outer side walls of the inner fan blade mounting seat and the outer fan blade mounting seat at equal intervals, clamping openings parallel to the rotating direction are formed in the outer end portions of the fan blade fixing clamps, and fan blades are fixed on the corresponding fan blade fixing clamps through rivets.

5. The outdoor unit of claim 1, wherein the outdoor unit of an on-hook air conditioner comprises a coaxial motor, and further comprising: the driving gear, the first driven gear and the second driven gear are all bevel gears, and the first driven gear and the second driven gear are installed oppositely.

6. The outdoor unit of claim 1, wherein the outdoor unit of an on-hook air conditioner comprises a coaxial motor, and further comprising: the driving inner shaft, the driving outer shaft and the driving support rotate relatively and are transversely arranged on a supporting frame arranged in the case shell.