CN219177924U

CN219177924U - Air curtain machine

Info

Publication number: CN219177924U
Application number: CN202223466325.8U
Authority: CN
Inventors: 苏舜辉; 王志军; 曾凡兵
Original assignee: Guangzhou Theodoor Technology Co ltd
Current assignee: Guangzhou Theodoor Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-13
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses an air curtain machine, which comprises a shell, wherein a driving motor and a wind wheel which are in transmission connection are arranged in the shell; the wind curtain machine comprises two driving motors, the two driving motors are respectively close to two ends of the shell, the wind wheel is arranged between the two driving motors, and the two driving motors are connected with the wind wheel in a transmission manner, so that when at least one driving motor is started, the wind wheel rotates to form the wind curtain. The beneficial effects are that: the driving motor can be easily installed in the shell, the size of the air curtain machine is reduced, the air curtain machine is convenient to install, and the working quality of the air curtain machine can be ensured and even improved while the air curtain machine is convenient to install.

Description

Air curtain machine

Technical Field

The utility model relates to the field of air purification equipment, in particular to an air curtain machine.

Background

The air curtain machine is an air purifying device with an invisible door curtain formed by a strong air flow generated by a wind wheel driven by a high-speed motor. The air curtain machine is also called an air curtain machine, an air curtain machine, an air brake and an air valve. The high-speed air flow of the air curtain machine can isolate outdoor lampblack and peculiar smell from entering the room, and also can effectively prevent outdoor dust from entering the room, so that the indoor cleanness is maintained, and a fresh and comfortable environment is created. The air curtain machine has wide application in various workplaces such as markets, factories and the like.

In the prior art, only one motor is generally arranged in the air curtain machine, the motor is arranged in the middle position inside the shell, the wind wheels are connected to the two sides of the motor in a transmission manner, and the motor drives the wind wheels to rotate so as to form the air curtain. The longer the wind wheel of the air curtain machine is arranged, the larger the power of the motor is needed, and correspondingly, the larger the volume of the motor is, but the shell of the air curtain machine has volume limitation, and the motor is difficult to install or can not be installed in the shell due to the overlarge volume of the motor.

Disclosure of Invention

The utility model mainly aims to provide an air curtain machine, which aims to solve the technical problem that a motor is difficult to install or cannot be installed in a shell due to overlarge motor size in the prior art.

In order to achieve the above purpose, the utility model provides an air curtain machine, which comprises a shell, wherein a driving motor and a wind wheel which are in transmission connection are arranged in the shell; the wind curtain machine comprises two driving motors, the two driving motors are respectively close to two ends of the shell, the wind wheel is arranged between the two driving motors, and the two driving motors are connected with the wind wheel in a transmission manner, so that when at least one driving motor is started, the wind wheel rotates to form the wind curtain.

The beneficial effects of the utility model are as follows: two driving motors are arranged in the air curtain machine, and can jointly drive the wind wheel to rotate or independently drive the wind wheel to rotate so as to form the air curtain. Compared with an air curtain machine with a large-power driving motor arranged in a shell, the air curtain machine has the advantages that compared with the large-power driving motor, the single driving motor is smaller in size, the two driving motors are respectively close to two ends of the shell, and the two driving motors are projected and overlapped in the length direction of the shell, so that the two driving motors can be easily installed in the shell even under the condition that the inner space of the shell is narrow, the size of the air curtain machine is reduced, and the installation of the air curtain machine is facilitated. The air curtain machine can achieve the power equal to or greater than that of a driving motor with larger power through the joint work of the two driving motors, is convenient to install, and can ensure and even improve the working quality of the air curtain machine.

Preferably, a wind wheel is arranged between the two driving motors, the wind wheel and the rotating shafts of the two driving motors are coaxially arranged, and two ends of the wind wheel are fixedly connected with the rotating shafts of the two driving motors respectively. The rotating shafts of the two driving motors are directly fixed with the wind wheel, so that the transmission efficiency is improved.

Preferably, the wind wheel is fixedly connected with the rotating shaft of the driving motor through screws.

Preferably, a first calibration plane is arranged on the rotating shaft of the driving motor, the first calibration plane is parallel to the axial direction of the rotating shaft of the driving motor, a connecting hole matched with the rotating shaft of the driving motor is arranged on the wind wheel, and the inner wall of the connecting hole comprises a second calibration plane opposite to the first calibration plane; the rotating shaft of the driving motor is provided with a screw hole extending along the radial direction of the driving motor, an opening of the screw hole is positioned on the first calibration plane, the wind wheel is provided with a through hole extending along the radial direction of the rotating shaft of the driving motor, the through hole is opposite to the screw hole, and a screw is arranged in the through hole and the screw hole in a penetrating way so that the wind wheel is fixedly connected with the rotating shaft of the driving motor. The arrangement of the first calibration plane and the second calibration plane is convenient for the screw hole to be opposite to the through hole during installation so as to penetrate the screw, thereby being beneficial to improving the installation efficiency of the air curtain machine.

Preferably, the wind wheel is a cross-flow wind wheel. The through-flow wind wheel has the characteristics of uniform air outlet and long air outlet distance, and is beneficial to improving the air outlet effect and isolation effect of the air curtain machine.

Preferably, a connecting shaft is arranged between the two driving motors, the connecting shaft is coaxially arranged with the rotating shafts of the two driving motors, and two ends of the connecting shaft are fixedly arranged with the rotating shafts of the driving motors; a plurality of wind wheels are arranged between the two driving motors, and the wind wheels are fixedly penetrated on the connecting shaft in the circumferential direction, so that the driving motors can drive the wind wheels to synchronously rotate through the connecting shaft. The rotating shafts of the two driving motors are fixedly connected through the connecting shaft so as to achieve the effect of synchronous rotation, and wind wheels with different numbers can be arranged on the connecting shaft according to requirements so as to achieve different wind outlet effects.

Preferably, the air curtain machine further comprises a control module, the two driving motors are respectively in communication connection with the control module, and the control module is used for controlling one of the driving motors to start and stop or the two driving motors to start and stop synchronously. The control module can enable the air curtain machine to form the air curtain in a single motor mode, a double motor mode or a mode of alternately switching the single motor mode and the double motor mode according to different application scenes.

Preferably, a motor mounting rack is further provided in the interior of the housing to fixedly mount the drive motor to the housing. The motor mounting frame can enable the driving motor to be firmly mounted in the shell, so that the treatment of the air curtain machine can be improved, and the service life of the air curtain machine can be prolonged.

Preferably, the two driving motors are the same type driving motors, so that the air curtain machine can uniformly discharge air, the air curtain machine can stably run, and the service life of the air curtain machine is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an air curtain machine according to an embodiment of the present utility model (for convenience of illustration, a front cover plate of a housing is not shown);

FIG. 2 is a schematic view of the structure of the air curtain machine according to the embodiment of the present utility model (for convenience of illustration, the front cover plate and the side plates of the housing are not shown);

FIG. 3 is a schematic structural view of an air curtain machine when a rotating shaft of a driving motor is directly fixed with a wind wheel in the embodiment of the utility model;

FIG. 4 is a schematic structural view of an air curtain machine when a rotating shaft of a driving motor is fixed with a wind wheel through a connecting shaft in the embodiment of the utility model;

FIG. 5 is a schematic diagram of a driving motor according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a wind wheel according to an embodiment of the present utility model.

In the accompanying drawings: 1-shell, 11-backplate, 2-driving motor, 21-pivot, 211-first calibration plane, 212-screw, 22-connecting axle, 23-axle sleeve, 3-wind wheel, 31-through-hole, 32-connecting hole, 321-second calibration plane, 4-control module, 5-motor mounting bracket.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 6, an air curtain machine comprises a shell 1, wherein a driving motor 2 and a wind wheel 3 which are in transmission connection are arranged in the shell 1; the wind curtain machine comprises two driving motors 2, the two driving motors 2 are respectively close to two ends of the shell 1, the wind wheel 3 is arranged between the two driving motors 2, and the two driving motors 2 are in transmission connection with the wind wheel 3, so that when at least one driving motor 2 is started, the wind wheel 3 rotates to form the wind curtain.

Two driving motors 2 are arranged in the air curtain machine, and the two driving motors 2 can jointly drive the wind wheel 3 to rotate or can independently drive the wind wheel 3 to rotate so as to form an air curtain. Compared with the air curtain machine provided with one large-power driving motor 2 in the shell 1, the single driving motor 2 in the air curtain machine of the embodiment has smaller volume compared with the large-power driving motor 2, the two driving motors 2 are respectively close to two ends of the shell 1, and the two driving motors 2 are projected and overlapped in the length direction of the shell 1, so that even under the condition that the inner space of the shell 1 is narrower, the two driving motors 2 can be easily installed in the shell 1, the volume of the air curtain machine is reduced, and the air curtain machine is convenient to install. The air curtain machine in the embodiment can achieve the power equal to or greater than that of the driving motor 2 with larger power through the joint work of the two driving motors 2, and can ensure and even improve the working quality of the air curtain machine while being convenient to install.

In the existing air curtain machine, the motor is arranged in the middle of the air curtain machine, the wind wheels 3 are arranged on two sides of the motor, so that after the air curtain machine forms an air curtain, the air curtain is not formed below the corresponding position of the motor, the phenomenon of discontinuous air curtain is caused, and the effect of air curtain machine for isolating air is not good enough. Compared with the existing air curtain machine, the air curtain machine in the embodiment can form a continuous air curtain so as to achieve a better air isolation effect.

In some embodiments, a wind wheel 3 is disposed between two driving motors 2, the wind wheel 3 is coaxially disposed with the rotating shafts 21 of the two driving motors 2, and two ends of the wind wheel 3 are fixedly connected with the rotating shafts 21 of the two driving motors 2 respectively. The rotating shafts 21 of the two driving motors 2 are directly fixed with the wind wheel 3, which is beneficial to improving the transmission efficiency.

In some embodiments, the wind wheel 3 is fixedly connected with the rotating shaft 21 of the driving motor 2 through screws.

Specifically, a first calibration plane 211 is arranged on the rotating shaft 21 of the driving motor 2, the first calibration plane 211 is parallel to the axial direction of the rotating shaft 21 of the driving motor 2, a connecting hole 32 matched with the rotating shaft 21 of the driving motor 2 is arranged on the wind wheel 3, and the inner wall of the connecting hole 32 comprises a second calibration plane 321 opposite to the first calibration plane 211; the rotating shaft 21 of the driving motor 2 is provided with a screw hole 212 extending along the radial direction of the rotating shaft, an opening of the screw hole 212 is positioned on the first calibration plane 211, the wind wheel 3 is provided with a through hole 31 extending along the radial direction of the rotating shaft 21 of the driving motor 2, the through hole 31 is opposite to the screw hole 212, and screws are arranged in the through hole 31 and the screw hole 212 in a penetrating manner so as to fixedly connect the wind wheel 3 with the rotating shaft 21 of the driving motor 2. The arrangement of the first calibration plane 211 and the second calibration plane 321 is convenient for enabling the screw holes 212 to be opposite to the through holes 31 during installation so as to penetrate screws, thereby being beneficial to improving the installation efficiency of the air curtain machine.

Further, the outer side surface of the portion of the rotating shaft 21 inserted into the connecting hole 32 is composed of a first arc surface and a first calibration plane 211 connecting the first arc surface end to end, and correspondingly, the inner wall of the connecting hole 32 is composed of a second arc surface and a second calibration plane 321 connecting the arc surfaces end to end.

In other embodiments, the inner side of the through hole 31 is provided with threads that mate with screws.

In other embodiments, the rotating shaft 21 of the driving motor 2 may be fixedly connected with the wind wheel 3 in the circumferential direction by a key connection manner, so long as the rotating shaft 21 can drive the wind wheel 3 to rotate.

In some embodiments, the rotor 3 is a cross-flow rotor 3. The through-flow wind wheel 3 has the characteristics of uniform air outlet and long air outlet distance, and is beneficial to improving the air outlet effect and isolation effect of the air curtain machine.

In some embodiments, a connecting shaft 22 is arranged between the two driving motors 2, the connecting shaft 22 is coaxially arranged with the rotating shafts 21 of the two driving motors 2, and two ends of the connecting shaft 22 are fixedly arranged with the rotating shafts 21 of the driving motors 2; a plurality of wind wheels 3 are arranged between the two driving motors 2, and the wind wheels 3 are fixedly penetrated on the connecting shaft 22 in the circumferential direction, so that the driving motors 2 can drive the wind wheels 3 to synchronously rotate through the connecting shaft 22. The rotating shafts 21 of the two driving motors 2 are fixedly connected through the connecting shaft 22 so as to achieve the effect of synchronous rotation, and different numbers of wind wheels 3 can be arranged on the connecting shaft 22 according to requirements so as to achieve different wind outlet effects.

Specifically, two ends of the connecting shaft 22 are fixedly connected with the rotating shafts 21 of the two driving motors 2 coaxially through shaft sleeves 23, and the wind wheel 3 and the connecting shaft 22 can be fixedly connected in a screw fixing, key connection fixing and other modes.

Further, the wind wheel 3 is a through-flow wind wheel 3 or a centrifugal wind wheel 3.

In some embodiments, the air curtain machine further includes a control module 4, where the two driving motors 2 are respectively connected to the control module 4 in a communication manner, and the control module 4 is configured to control one of the driving motors 2 to start or stop or the two driving motors 2 to start or stop synchronously. The control module 4 can enable the air curtain machine to form the air curtain in a single motor mode, a double motor mode or a mode of alternately switching the single motor mode and the double motor mode according to different application scenes.

For example: when the indoor temperature and the outdoor temperature differ less, the air curtain machine can be adjusted to a single motor mode through the control module 4; when the indoor temperature and the outdoor temperature differ greatly, the air curtain machine can be adjusted to a double-motor mode through the control module 4; and the single motor mode and the double motor mode are alternately switched, so that the effect of saving electricity can be achieved.

When only one driving motor 2 drives the wind wheel 3, the other driving motor 2 in the non-working state is not started, namely, the coil in the driving motor 2 is not electrified, and no magnetic field acting on the rotating shaft 21 is generated, so that the rotating shaft 21 of the driving motor 2 in the non-working state can freely rotate, and the driving motor 2 in the non-working state cannot be damaged.

In some embodiments, the interior of the housing 1 is also provided with a motor mount 5 to fixedly mount the drive motor 2 to the housing 1. The motor mounting frame 5 can enable the driving motor 2 to be firmly mounted in the shell 1, so that the treatment of the air curtain machine can be improved, and the service life of the air curtain machine can be prolonged.

Specifically, the housing 1 includes a back plate 11, and the motor mount 5 is fixedly attached to the back plate 11.

Further, the driving motor 2 is fixed to the motor mount 5 by screws.

In some embodiments, the two driving motors 2 are the same type driving motors 2, which is beneficial to making the air outlet of the air curtain machine uniform, and is also beneficial to the stable operation of the air curtain machine, and prolongs the service life of the air curtain machine.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An air curtain machine comprises a shell (1), wherein a driving motor (2) and an air wheel (3) which are in transmission connection are arranged in the shell (1);

the method is characterized in that:

the wind curtain machine comprises two driving motors (2), wherein the two driving motors (2) are respectively close to two ends of the shell (1), the wind wheel (3) is arranged between the two driving motors (2), the two driving motors (2) are in transmission connection with the wind wheel (3), so that at least one driving motor (2) is started, and the wind wheel (3) rotates to form the wind curtain.

2. The air curtain machine of claim 1, wherein: one wind wheel (3) is arranged between the two driving motors (2), the wind wheel (3) and the rotating shafts (21) of the two driving motors (2) are coaxially arranged, and two ends of the wind wheel (3) are fixedly connected with the two rotating shafts (21) respectively.

3. The air curtain machine of claim 2, wherein: the wind wheel (3) is fixedly connected with the rotating shaft (21) through screws.

4. The air curtain machine of claim 3, wherein: a first calibration plane (211) is arranged on the rotating shaft (21), the first calibration plane (211) is parallel to the axial direction of the rotating shaft (21), a connecting hole (32) matched with the rotating shaft (21) is arranged on the wind wheel (3), and the inner wall of the connecting hole (32) comprises a second calibration plane (321) opposite to the first calibration plane (211);

be equipped with on pivot (21) along its radial extension screw (212), the opening of screw (212) is located on first calibration plane (211), be equipped with on wind wheel (3) along radial extension through-hole (31) of pivot (21), through-hole (31) are just right screw (212), the screw wear to locate through-hole (31) with in screw (212).

5. The air curtain machine of claim 2, wherein: the wind wheel (3) is a through-flow wind wheel (3).

6. The air curtain machine of claim 1, wherein: a connecting shaft (22) is arranged between the two driving motors (2), the connecting shaft (22) and the rotating shafts (21) of the two driving motors (2) are coaxially arranged, and two ends of the connecting shaft (22) are fixedly arranged with the rotating shafts (21) of the driving motors (2);

a plurality of wind wheels (3) are arranged between the two driving motors (2), and the wind wheels (3) are fixedly penetrated on the connecting shaft (22) in the circumferential direction, so that the driving motors (2) can drive the wind wheels (3) to synchronously rotate through the connecting shaft (22).

7. The air curtain machine of claim 1, wherein: the air curtain machine further comprises a control module (4), the two driving motors (2) are respectively in communication connection with the control module (4), and the control module (4) is used for controlling one of the driving motors (2) to start or stop or the two driving motors (2) to start or stop synchronously.

8. The air curtain machine of claim 1, wherein: the inside of casing (1) still is equipped with motor mounting bracket (5), in order to with driving motor (2) fixed mounting in on casing (1).

9. The air curtain machine of claim 1, wherein: the two driving motors (2) are the same type driving motors (2).