Exhaust fan motor for oven

Abstract

The utility model relates to the technical field of fan motors, and provides an exhaust fan motor for an oven, which comprises a cross-flow fan, one side of the cross-flow fan is provided with a motor, the motor is used for providing power for the motor, the other side of the cross-flow fan is provided with a centrifugal fan, the cross-flow fan comprises a centrifugal fan impeller, and the centrifugal fan impeller is used for providing power for the centrifugal fan. A connecting shaft is installed on one side of an impeller of the centrifugal fan, the connecting shaft is in transmission connection with the centrifugal fan, the cross-flow fan comprises a first machine shell, the first machine shell is provided with a first air outlet, the centrifugal fan comprises a second machine shell, and the second machine shell is provided with a second air outlet. In the utility model, the cross-flow fan and the centrifugal fan are simultaneously driven by the single motor, so that the equipment can realize high-efficiency airflow output in different directions, and the requirement of multi-direction ventilation is met. The integrated design not only improves the flexibility of equipment use, but also simplifies the installation and configuration processes, and reduces the demand for additional equipment.

Description

Technical Field

[0001] This utility model relates to the field of fan motor technology, and in particular to an exhaust fan motor for an oven. Background Technology

[0002] In modern kitchen appliances, the efficient ventilation and exhaust systems of ovens are crucial for ensuring cooking quality and user safety. Traditional ovens are typically equipped with cross-flow fans to achieve air circulation and exhaust functions. Cross-flow fans, with their compact design, low noise, and high efficiency, have become the preferred ventilation solution in many home appliances. However, the design of these fans dictates that their airflow can only be exhausted in a fixed direction, which may not meet the diverse ventilation needs in certain applications.

[0003] Most ovens on the market currently use cross-flow fans that can only blow air in one direction. If users want to add additional airflow directions to the same equipment, an extra fan must be installed, which not only increases equipment costs but also occupies more space and requires additional installation and maintenance work. Furthermore, the use of multiple independent fans increases system complexity and energy consumption, reducing overall operating efficiency.

[0004] The purpose of this invention is to solve the problem that cross-flow fans only have one outlet direction, and if customers want to add another outlet direction, they need to add another fan, making it impossible to achieve multiple uses with one fan. Utility Model Content

[0005] The purpose of this utility model is to solve the problem that cross-flow fans only have one outlet direction, and if customers want to add another outlet direction, they need to add another fan, making it impossible to achieve multiple uses with one unit. This utility model adopts the following technical solution:

[0006] An exhaust fan motor for an oven includes a cross-flow fan, a motor mounted on one side of the cross-flow fan for providing power to the motor, and a centrifugal fan mounted on the other side of the cross-flow fan. The cross-flow fan includes a centrifugal fan impeller, and a connecting shaft is mounted on one side of the centrifugal fan impeller for transmission connection with the centrifugal fan.

[0007] An oven exhaust fan motor as described above, wherein the cross-flow fan includes a first housing, and the first housing has a first air outlet.

[0008] As described above, an oven exhaust fan motor includes a second housing with a second air outlet.

[0009] In the oven exhaust fan motor described above, the air outlet direction of the second air outlet is different from that of the first air outlet.

[0010] As described above, in an oven exhaust fan motor, the cross-flow fan impeller is fixedly connected to the motor rotor, one end of the connecting shaft passes through the side wall of the first housing and is disposed inside the second housing, and the other end of the connecting shaft disposed inside the second housing is fixedly connected to the centrifugal fan impeller.

[0011] Implementing the embodiments of this utility model has the following beneficial effects:

[0012] 1. In this invention, a single motor simultaneously drives both a cross-flow fan and a centrifugal fan, enabling the equipment to achieve efficient airflow output in different directions and meet the needs of multi-directional ventilation. This integrated design not only improves the flexibility of equipment use but also simplifies the installation and configuration process, reducing the need for additional equipment.

[0013] In summary, this utility model solves the problem that cross-flow fans only have one outlet direction, and if customers want to add another outlet direction, they need to add another fan, making it impossible to achieve multiple uses with one fan. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of an exhaust fan motor for an oven according to this utility model.

[0016] Figure 2 This is an exploded view of an exhaust fan motor for an oven according to this utility model.

[0017] As shown in the figure:

[0018] 1. Cross-flow fan; 11. First casing; 12. First air outlet; 13. Cross-flow fan impeller; 14. Connecting shaft; 2. Motor; 3. Centrifugal fan; 31. Second casing; 32. Centrifugal fan impeller; 33. Second air outlet. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1 to 2 As shown, this utility model proposes an exhaust fan motor for an oven, including a cross-flow fan 1. A motor 2 is mounted on one side of the cross-flow fan 1, and the motor 2 provides power to the cross-flow fan 1. The key feature is that a centrifugal fan 3 is mounted on the other side of the cross-flow fan 1. The cross-flow fan 1 includes a centrifugal fan impeller 32, and a connecting shaft 14 is mounted on one side of the centrifugal fan impeller 32. The connecting shaft 14 is drively connected to the centrifugal fan 3. Specifically, the motor 2 drives the cross-flow fan 1 to operate, providing power for the initial airflow; simultaneously, the power is transmitted to the centrifugal fan impeller 32 through the connecting shaft 14, causing it to operate synchronously. In this way, while the cross-flow fan 1 exhausts air in its originally set direction, the centrifugal fan 3 can provide an additional airflow path. This design allows a single device to simultaneously meet ventilation needs in different directions, greatly improving the flexibility of equipment use.

[0021] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the cross-flow fan 1 includes a first housing 11, the first housing 11 having a first air outlet 12. The centrifugal fan 3 includes a second housing 31, the second housing 31 having a second air outlet 33. The air outlet direction of the second air outlet 33 is different from the air outlet direction of the first air outlet 12. The design of two air outlets allows airflow to be discharged from different directions. Since each air outlet is independently equipped with a corresponding housing, it is convenient for maintenance personnel to perform maintenance.

[0022] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the cross-flow fan impeller 13 is fixedly connected to the rotor of the motor 2, and one end of the connecting shaft 14 penetrates the side wall of the first housing 11 and is disposed within the second housing 31. The other end of the connecting shaft 14 disposed within the second housing 31 is fixedly connected to the centrifugal fan impeller 32. The cross-flow fan impeller 13 is directly fixedly connected to the rotor of the motor 2, ensuring that the motor 2 can directly drive the cross-flow fan 1 to operate. At the same time, one end of the connecting shaft 14 penetrates the side wall of the first housing 11 and extends into the interior of the second housing 31, with its end fixedly connected to the centrifugal fan impeller 32. When the motor 2 starts, it not only drives the cross-flow fan impeller 13 to rotate, but also synchronously drives the centrifugal fan impeller 32 to rotate through the connecting shaft 14. In this way, one motor can simultaneously provide power to two different fan systems, enabling the equipment to achieve effective airflow output in different directions. Since both the cross-flow fan impeller 13 and the centrifugal fan impeller 32 are driven by the same motor 2, the need for additional drive devices is reduced, the overall structure is simplified, the cost is reduced, and the reliability of the system is improved.

[0023] Optionally, in some embodiments, the motor 2 is mounted on the centrifugal fan 3, and the rotor of the motor 2 is fixedly connected to the centrifugal fan impeller 32 of the centrifugal fan 3. A connecting shaft 14 is mounted on one side of the centrifugal fan impeller 32, and the connecting shaft 14 is fixedly connected to the cross-flow fan impeller 13 of the cross-flow fan 1. When the motor 2 starts, it first drives the centrifugal fan impeller 32 to rotate. One side of the centrifugal fan impeller 32 is connected to the cross-flow fan impeller 13 of the cross-flow fan 1 through the connecting shaft 14. In this way, the power of the motor 2 not only drives the centrifugal fan impeller 32, but also transmits it to the cross-flow fan impeller 13 through the connecting shaft 14, so that they operate synchronously.

[0024] Example 1:

[0025] This utility model discloses an exhaust fan motor for an oven, including a cross-flow fan 1, with a motor 2 mounted on one side of the cross-flow fan 1, providing power to the motor 2. The key feature is that a centrifugal fan 3 is mounted on the other side of the cross-flow fan 1. The cross-flow fan 1 includes a centrifugal fan impeller 32, and a connecting shaft 14 is mounted on one side of the centrifugal fan impeller 32, which is drively connected to the centrifugal fan 3. Specifically, the motor 2 drives the cross-flow fan 1 to operate, providing power for the initial airflow; simultaneously, the power is transmitted to the centrifugal fan impeller 32 through the connecting shaft 14, causing it to operate synchronously. In this way, while the cross-flow fan 1 exhausts air in its originally set direction, the centrifugal fan 3 can provide an additional airflow path. This design allows a single device to simultaneously meet ventilation needs in different directions, greatly improving the flexibility of equipment use.

[0026] The cross-flow fan 1 includes a first housing 11, and the first housing 11 has a first air outlet 12. The centrifugal fan 3 includes a second housing 31, and the second housing 31 has a second air outlet 33. The air outlet direction of the second air outlet 33 is different from that of the first air outlet 12. The design of two air outlets allows airflow to be discharged from different directions. Since each air outlet is independently equipped with a corresponding housing, it is convenient for maintenance personnel to perform maintenance.

[0027] The cross-flow fan impeller 13 is fixedly connected to the rotor of the motor 2. One end of the connecting shaft 14 passes through the side wall of the first housing 11 and is located inside the second housing 31. The other end of the connecting shaft 14, located inside the second housing 31, is fixedly connected to the centrifugal fan impeller 32. The cross-flow fan impeller 13 is directly fixedly connected to the rotor of the motor 2, ensuring that the motor 2 can directly drive the cross-flow fan 1 to operate. At the same time, one end of the connecting shaft 14 passes through the side wall of the first housing 11 and extends into the interior of the second housing 31, with its end fixedly connected to the centrifugal fan impeller 32. When the motor 2 starts, it not only drives the cross-flow fan impeller 13 to rotate but also synchronously drives the centrifugal fan impeller 32 to rotate through the connecting shaft 14. In this way, one motor can provide power to two different fan systems simultaneously, enabling the equipment to achieve effective airflow output in different directions. Since both the cross-flow fan impeller 13 and the centrifugal fan impeller 32 are driven by the same motor 2, the need for additional drive devices is reduced, the overall structure is simplified, costs are reduced, and the reliability of the system is improved.

[0028] The implementation method of Example 2 is as follows:

[0029] The difference between Embodiment 2 and Embodiment 1 is that motor 2 is mounted on centrifugal fan 3, and the rotor of motor 2 is fixedly connected to the centrifugal fan impeller 32 of centrifugal fan 3. A connecting shaft 14 is mounted on one side of centrifugal fan impeller 32, and the connecting shaft 14 is fixedly connected to the cross-flow fan impeller 13 of cross-flow fan 1. When motor 2 starts, it first drives centrifugal fan impeller 32 to rotate. One side of centrifugal fan impeller 32 is connected to the cross-flow fan impeller 13 of cross-flow fan 1 through connecting shaft 14. In this way, the power of motor 2 not only drives centrifugal fan impeller 32, but also transmits it to cross-flow fan impeller 13 through connecting shaft 14, making them run synchronously.

[0030] Specifically, the working principle of this invention is as follows:

[0031] Motor 2 is installed on one side of cross-flow fan 1 and directly provides power to cross-flow fan 1. When motor 2 starts, it drives the impeller of cross-flow fan to rotate, thereby generating an initial airflow. This airflow is discharged through the first air outlet 12 of cross-flow fan 1, realizing the basic ventilation function of the equipment and meeting the exhaust requirements of the original set direction.

[0032] One end of the connecting shaft 14 is fixedly connected to the centrifugal fan impeller 32, and the other end passes through the first housing 11 and extends into the second housing 31. While driving the cross-flow fan 1, the motor 2 transmits power to the centrifugal fan impeller 32 via this connecting shaft 14. In this way, the centrifugal fan 3 also operates synchronously, generating additional airflow and discharging it through its own second outlet 33, providing an additional air outlet path.

[0033] The above design allows a single device to simultaneously exhaust airflow in different directions, greatly improving the flexibility of its use. Cross-flow fan 1 handles exhaust in one direction, while centrifugal fan 3 provides an exhaust path in the other. In this way, users can meet their multi-directional ventilation needs without adding additional fan equipment.

[0034] In summary, this utility model solves the problem that cross-flow fans only have one outlet direction, and if customers want to add another outlet direction, they need to add another fan, making it impossible to achieve multiple uses with one unit.

[0035] It should be understood that the terms "first," "second," etc., are used in this utility model to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. An exhaust fan motor for an oven, comprising a cross-flow fan (1), wherein a motor (2) is mounted on one side of the cross-flow fan (1), the motor (2) being used to provide power to the motor (2), characterized in that, A centrifugal fan (3) is installed on the other side of the cross-flow fan (1). The cross-flow fan (1) includes a centrifugal fan impeller (32). A connecting shaft (14) is installed on one side of the centrifugal fan impeller (32). The connecting shaft (14) is connected to the centrifugal fan (3) in a transmission manner.

2. The exhaust fan motor for an oven according to claim 1, characterized in that, The cross-flow fan (1) includes a first housing (11), and the first housing (11) has a first air outlet (12).

3. The exhaust fan motor for an oven according to claim 2, characterized in that, The centrifugal fan (3) includes a second housing (31), and the second housing (31) has a second air outlet (33).

4. The exhaust fan motor for an oven according to claim 3, characterized in that, The air outlet (33) has a different air outlet direction than the first air outlet (12).

5. An oven exhaust fan motor according to claim 3, characterized in that, The rotor of the motor (2) is fixedly connected to a cross-flow fan impeller (13). One end of the connecting shaft (14) passes through the side wall of the first housing (11) and is disposed in the second housing (31). One end of the connecting shaft (14) disposed in the second housing (31) is fixedly connected to the centrifugal fan impeller (32).

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