Motor mounting bracket, fan and range hood

Abstract

The utility model belongs to the technical field of household appliances, and discloses a motor mounting bracket, a fan and a range hood. According to the motor installation support, installation of a motor on a draught fan is achieved, the draught fan comprises a volute, an installation cavity is formed in the volute, the motor is installed in the installation cavity and close to one end of the volute, and the motor installation support comprises a fixing piece and a connecting piece. The fixing piece is arranged at the other end of the volute; the first end of the connecting piece is in lap joint with the fixing piece and is detachably connected with the fixing piece, the second end of the connecting piece is configured to penetrate through the mounting cavity and is connected to the motor, and the first end of the connecting piece can be separated from the fixing piece after moving in the direction away from the fixing piece. According to the utility model, the motor of the range hood can be conveniently overhauled.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to a motor mounting bracket, a fan, and a range hood. Background Technology

[0002] A range hood is a kitchen appliance that purifies the kitchen environment. It is installed above the kitchen stove and can quickly remove the waste produced by the stove combustion and the harmful fumes generated during cooking, exhausting them outdoors. At the same time, it condenses and collects the fumes, reducing pollution and purifying the air.

[0003] The power system of a roof-mounted range hood is installed inside the kitchen ceiling. This design minimizes space usage and reduces noise levels, making it a popular choice for users. In existing technology, an access panel is typically located below the power system's casing to facilitate disassembly and maintenance of the range hood.

[0004] In a power system, a fan consists of an impeller and a motor that drives the impeller. When overhauling the fan motor in a power system, the motor itself needs to be disassembled. The motor is typically fixed to the fan casing by a base plate located beneath it; one end of the base plate is screwed to the lower surface of the casing, and the other end is screwed to the lower surface of the motor. Disassembling the motor usually requires two operators: one uses a screwdriver to remove the base plate from the fan, while the other operator must constantly hold the motor to prevent it from falling. This operation makes maintenance inconvenient. Utility Model Content

[0005] The purpose of this utility model is to provide a motor mounting bracket, a fan, and a smoke hood, which facilitates the maintenance of the motor.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A motor mounting bracket is provided to mount the motor on a fan. The fan includes a volute housing with a mounting cavity inside. The motor is mounted inside the mounting cavity and positioned at one end near the volute housing. The motor mounting bracket includes:

[0008] The fastener is configured to be mounted on the other end of the volute.

[0009] The connector has a first end that overlaps and is detachably connected to the fixing member, and a second end that is configured to pass through the mounting cavity and connect to the motor of the fan. The first end of the connector can detach from the fixing member after moving away from the fixing member.

[0010] As an optional embodiment, the fastener includes:

[0011] Multiple first connecting ears, and multiple connecting pieces, with each connecting piece corresponding to a first connecting ear;

[0012] An annular retaining ring is configured to be installed on the other end of the volute. Multiple first connecting ears are equally spaced along the inner ring of the annular retaining ring. The first end of each connector overlaps and engages with its corresponding first connecting ear. The first end of the connector can pass through the gap between two adjacent first connecting ears.

[0013] As an optional embodiment, the connector includes:

[0014] The second connecting ear overlaps and snaps onto the corresponding first connecting ear, and the second connecting ear can pass through the gap between two adjacent first connecting ears.

[0015] The extension arm has one end connected to the second connecting ear and the other end configured to pass through the volute and connect to the motor.

[0016] As an optional embodiment, the cross-section of the extension arm is arc-shaped, and the inner arc surface of the extension arm is arranged in the same direction as the second connecting ear.

[0017] As an optional embodiment, the connector also includes a third connecting ear disposed at the other end of the extension arm, the third connecting ear being configured to connect to the motor.

[0018] As an optional embodiment, the fastener includes an annular fixing ring, and insertion holes are provided at intervals on the annular fixing ring along the circumference of the annular fixing ring. The connector is provided corresponding to the insertion holes, and the first end of the connector overlaps the fastener and is inserted into the insertion hole.

[0019] Fans, including:

[0020] The aforementioned motor mounting bracket;

[0021] The volute has an installation cavity inside.

[0022] The motor is installed in the mounting cavity and is located at one end near the volute. The fixing parts of the motor mounting bracket are installed at the other end of the volute. The second end of each connector of the motor mounting bracket passes through the mounting cavity and is connected to the motor.

[0023] As an optional embodiment, the fan also includes a base support, one end of which is connected to the volute and the other end of which is connected to the motor.

[0024] Range hoods, including:

[0025] The power system includes a chassis, in which the aforementioned fan is installed, and an inspection port is provided on the lower surface of the chassis.

[0026] The piping system is connected to the inlet of the fan at one end;

[0027] The smoke collection system is connected to the other end of the piping system.

[0028] As an optional embodiment, an inspection plate is provided at the inspection port, with one end of the inspection plate hinged to the chassis and the other end detachably connected to the chassis.

[0029] The beneficial effects of this utility model are:

[0030] The motor mounting bracket provided by this utility model enables a single person to inspect and repair the motor, and the operation is convenient. In use, the fixing component is installed on the upper end of the volute, then the first end of the connector (i.e., the upper end of the connector) is overlapped and connected to the fixing component, and the second end of the connector is passed downwards through the mounting cavity and connected to the motor, thus achieving the installation of the motor on the volute.

[0031] When the motor needs to be disassembled for maintenance, one operator pushes the motor upwards. The motor then moves the connecting parts upwards, moving them away from the fixed parts. Once the connecting parts have moved upwards, they can disengage from the fixed parts, thus allowing the motor to be disassembled. This means that one operator can easily disassemble the motor, making the operation convenient and safe.

[0032] The fan proposed in this utility model includes the aforementioned motor mounting bracket, which enables a single person to inspect and maintain the motor, making operation convenient.

[0033] The smoke hood proposed in this utility model includes the aforementioned fan, which enables a single person to inspect and maintain the motor, making it easy to operate. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the structure of the range hood provided in Embodiment 1 of this utility model;

[0036] Figure 2 yes Figure 1 Partial structural diagram;

[0037] Figure 3 This is a first-view structural schematic diagram of the fan provided in Embodiment 1 of this utility model;

[0038] Figure 4 This is a second-view structural schematic diagram of the fan provided in Embodiment 1 of this utility model;

[0039] Figure 5 This is a third-view structural schematic diagram of the fan provided in Embodiment 1 of this utility model;

[0040] Figure 6 yes Figure 5 Sectional view of section AA;

[0041] Figure 7 This is a structural schematic diagram of the fastener provided in Embodiment 1 of this utility model;

[0042] Figure 8 This is a first-view structural schematic diagram of the connector provided in Embodiment 1 of this utility model;

[0043] Figure 9 This is a second-view structural schematic diagram of the connector provided in Embodiment 1 of this utility model;

[0044] Figure 10 This is a schematic diagram of the cooperation relationship between the motor and the motor mounting bracket provided in Embodiment 1 of this utility model;

[0045] Figure 11 This is a schematic diagram of the cooperation relationship between the motor and the motor mounting bracket provided in Embodiment 2 of this utility model.

[0046] In the picture:

[0047] 100. Power system; 1001. Chassis; 10011. Inspection port; 10012. Inspection panel;

[0048] 200. Piping system;

[0049] 300. Smoke collection system;

[0050] 10. Fan; 101. Volute; 102. Motor; 1021. Mounting plate; 103. Impeller; 104. Base support;

[0051] 1. Fastener; 11. First connecting lug; 111. Snap-fit ​​hole; 12. Annular retaining ring; 121. Insertion hole; 13. Gap;

[0052] 2. Connector; 21. Second connecting ear; 211. Snap-fit ​​protrusion; 212. Insertion ear; 22. Extension arm; 23. Third connecting ear. Detailed Implementation

[0053] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0054] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0055] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0056] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0057] Example 1

[0058] See Figure 1 This embodiment provides a range hood. Specifically, the range hood is a top-mounted range hood.

[0059] Specifically, in this embodiment, the smoke hood includes a power system 100, a pipeline system 200, and a smoke collection system 300.

[0060] See Figure 2 The power system 100 includes a housing 1001, a fan 10 is installed inside the housing 1001, and an inspection port 10011 is provided on the lower surface of the housing 1001.

[0061] One end of the piping system 200 is connected to the inlet of the fan 10.

[0062] The other end of the pipeline system 200 is connected to the smoke collection system 300.

[0063] Specifically, see Figure 1 and Figure 2 An inspection plate 10012 is provided at the inspection port 10011. One end of the inspection plate 10012 is hinged to the chassis 1001, and the other end is detachably connected to the chassis 1001.

[0064] The presence of the inspection plate 10012 can prevent external dust or other debris from entering the chassis 1001 through the inspection port 10011 and interfering with the normal operation of the power system 100.

[0065] More specifically, in this embodiment, one end of the inspection plate 10012 is hinged to the chassis 1001 via a hinge, and the other end is detachably connected to the chassis 1001 via screws. This structure allows for the installation of the inspection plate 10012 without needing to remove it during maintenance of the fan 10, facilitating maintenance operations.

[0066] Specifically, see Figures 3-6 In this embodiment, the fan 10 includes a volute 101, a motor 102, and a motor mounting bracket.

[0067] The volute 101 has an installation cavity; the installation cavity contains an impeller 103.

[0068] Specifically, with reference to the actual installation position of the volute 101, the upper and lower ends of the mounting cavity have openings, and the impeller 103 is arranged around the circumference of the mounting cavity, so that there is a central mounting cavity in the center of the mounting cavity.

[0069] The motor 102 is installed inside the mounting cavity and is located at one end near the volute 101.

[0070] Specifically, the motor 102 is mounted in the central mounting cavity and positioned near the lower end.

[0071] In order to enable a single person to inspect and maintain the motor 102, this embodiment also provides a motor mounting bracket to enable the motor 102 to be installed on the fan 10.

[0072] See Figure 3 The motor mounting bracket includes a fixing component 1 and a connecting component 2.

[0073] The fastener 1 is configured to be mounted on the other end of the volute 101. Specifically, the fastener 1 is configured to be mounted on the upper end of the volute 101.

[0074] The first end of the connector 2 overlaps the fixing member 1 and is detachably connected to the fixing member 1. The second end of the connector 2 is configured to pass through the mounting cavity and be connected to the motor 102 of the fan 10. The first end of the connector 2 can be disengaged from the fixing member 1 after moving in a direction away from the motor 102.

[0075] The first end of the connector 2 overlaps with the fixing part 1, which can prevent the motor 102 from falling.

[0076] Specifically, with Figure 5 and Figure 6 Taking the orientation shown as an example, the fixing member 1 is installed on the upper surface of the volute 101; the upper end of the connector 2 overlaps the fixing member 1 and is detachably connected to the fixing member 1; the lower end of the connector 2 passes through the central mounting cavity and is connected to the motor 102.

[0077] When it is necessary to disassemble the motor 102, lift the motor 102 up so that the upper end of the connector 2 is separated from the fixing part 1, thereby disassembling the motor 102.

[0078] Specifically, in this embodiment, see Figure 3 and Figure 7 The fastener 1 includes an annular retaining ring 12 and a plurality of first connecting ears 11.

[0079] There are multiple connectors 2, and each connector 2 is set to correspond one-to-one with the first connecting ear 11.

[0080] The annular fixing ring 12 is configured to be installed at the other end of the volute 101. A plurality of first connecting ears 11 are equally spaced along the inner ring of the annular fixing ring 12. The first end of each connector 2 overlaps with and is engaged with the corresponding first connecting ear 11. The first end of the connector 2 can pass through the gap 13 between two adjacent first connecting ears 11.

[0081] It is understandable that the space between two adjacent first connecting ears 11 in the plane where the fastener 1 is located is the gap 13.

[0082] by Figure 3 and Figure 6Taking the actual usage orientation of the product as an example, when using the motor mounting bracket provided in this embodiment, the fixing member 1 is installed on the upper end of the volute 101. Specifically, the annular fixing ring 12 is set on the upper end of the volute 101 by screws and is arranged along the circumference of the mounting cavity. Then, the first end of the connector 2 (that is, the upper end of the connector 2) is overlapped on the corresponding first connecting ear 11, and the first end of the connector 2 is snapped into the corresponding first connecting ear 11. The second end of the first connector 2 (that is, the lower end of the connector 2) passes through the mounting cavity. The motor 102 is set close to the lower end of the mounting cavity, and the motor 102 is connected to the second end of the first connector 2.

[0083] When the motor 102 needs to be disassembled for maintenance, push the motor 102 upward so that the first end of the connector 2 is disengaged from the first connecting ear 11. Then rotate the motor 102 a certain angle in the clockwise direction so that the first end of each connector 2 is misaligned with its corresponding first connecting ear 11. Since the first end of the connector 2 can pass through the gap 13 between two adjacent first connecting ears 11, the motor 102 can be disassembled by moving it downward.

[0084] Understandably, the motor 102 was removed together with the connector 2.

[0085] After the maintenance is completed, make the first end of each connector 2 misalign with its corresponding first connecting ear 11, push the motor 102 up, and then rotate the motor 102 a certain angle in the clockwise direction so that the first end of each connector 2 overlaps with its corresponding first connecting ear 11. Then lower the motor 102 so that the first end of each connector 2 overlaps with its corresponding first connecting ear 11 and the two are snapped together, thus completing the installation of the motor 102.

[0086] When overhauling motor 102, only one operator is needed to disassemble and assemble motor 102, which is convenient for disassembly and assembly operations.

[0087] Furthermore, in this embodiment, the fan 10 also includes a base support 104, one end of which is connected to the volute 101 and the other end of which is connected to the motor 102.

[0088] Specifically, one end of the base support 104 is connected to the lower surface of the volute 101 by screws, and the other end is connected to the lower surface of the motor 102 by screws.

[0089] The presence of the base support 104 can further ensure the stability of the motor 102 installation, and at the same time reduce the force exerted by the motor 102 on the connector 2, thus preventing the connector 2 from deforming.

[0090] Specifically, see Figure 8 andFigure 9 In this embodiment, the connector 2 includes a second connecting ear 21 and an extension arm 22.

[0091] The second connecting ear 21 overlaps with and engages with the corresponding first connecting ear 11, and the second connecting ear 21 can pass through the gap 13 between two adjacent first connecting ears 11.

[0092] One end of the extension arm 22 is connected to the second connecting ear 21, and the other end is configured to pass through the volute 101 and be connected to the motor 102.

[0093] The second connecting ear 21 is provided to ensure that the first end of the connector 2 overlaps with the first connecting ear 11; the extension arm 22 is provided to ensure that the second end of the connector 2 can be connected to the motor 102.

[0094] Optionally, see Figure 7 and Figure 8 One of the second connecting ear 21 and the first connecting ear 11 is provided with a snap-fit ​​hole 111, and the other is provided with a snap-fit ​​protrusion 211 that engages with the snap-fit ​​hole 111.

[0095] Specifically, in this embodiment, the first connecting ear 11 is provided with a snap-fit ​​hole 111, and the second connecting ear 21 is provided with a snap-fit ​​protrusion 211.

[0096] The snap-fit ​​design facilitates the connection or separation between the first connecting ear 11 and the second connecting ear 21.

[0097] Furthermore, in this embodiment, the cross-section of the extension arm 22 is arc-shaped, and the inner arc surface of the extension arm 22 is arranged in the same direction as the second connecting ear 21. The fact that the inner arc surface of the extension arm 22 is arranged in the same direction as the second connecting ear 21 means that the orientation of the inner arc surface of the extension arm 22 is the same as the extension direction of the second connecting ear 21.

[0098] It is understandable that the inner arc surface of the extension arm 22 is concave.

[0099] More specifically, in this embodiment, the arc shape of the cross-section of the extension arm 22 is a fish-shaped profile. This fish-shaped profile excels in airflow optimization, energy efficiency improvement, and noise reduction, effectively reducing turbulence and eddies in the airflow, thereby optimizing fluid stability. This profile improves flow characteristics and minimizes aerodynamic drag, thus increasing flow efficiency. The fish-shaped profile design also significantly reduces energy loss caused by airflow separation, improving gas energy transfer efficiency and resulting in higher performance within the mounting cavity. Because this profile smoothly guides airflow, its design helps reduce the impact of airflow disturbances on the surrounding environment, effectively reducing noise in high-speed airflow applications.

[0100] Specifically, in this embodiment, the contour equation of the cross-section of the inner arc surface of the extension arm 22 is:

[0101]

[0102] The contour equation described above will be explained below. In this embodiment, the inner arc surface of the extension arm 22 includes three smoothly connected arc segments. Correspondingly, in a Cartesian coordinate system, the contour line of the cross-section of each arc segment corresponds to an equation. The x-coordinate of the first arc segment's cross-section has a range of -0.035 ≤ x < 0, and the y-coordinate is determined according to the aforementioned contour line equation, thus defining the contour line of the first arc segment's cross-section. Similarly, the x-coordinate of the second arc segment's cross-section has a range of 0 ≤ x < 0.05, and the y-coordinate is determined according to the aforementioned contour line equation, thus defining the contour line of the second arc segment's cross-section. Likewise, the x-coordinate of the third arc segment's cross-section has a range of 0.05 ≤ x < 0.065, and the y-coordinate is determined according to the aforementioned contour line equation, thus defining the contour line of the third arc segment's cross-section.

[0103] The extension arm 22, with its aforementioned structure, acts as a pre-swirl guide vane before the airflow enters the impeller 103. The extension arm 22 ensures a more uniform velocity distribution of the airflow within the mounting cavity. The airflow in the bottom region of the impeller 103 is first affected by the extension arm 22, adjusting its velocity direction so that it enters the impeller 103 with an initial velocity closer to the airfoil of the impeller blades. The airflow is fully filled between the blades of the impeller 103, eliminating most of the backflow between the blade passages, effectively reducing turbulence losses, improving the flow state, and reducing turbulence noise. It can be understood that the blade passage is the flow channel between two adjacent blades.

[0104] Specifically, in this embodiment, taking the actual usage orientation of the product as an example, the extension direction of the extension arm 22 is vertical.

[0105] Furthermore, in this embodiment, in order to achieve the connection between the second end of the connector 2 and the motor 102, the connector 2 also includes a third connecting ear 23, which is disposed at the other end of the extension arm 22 and is configured to be connected to the motor 102.

[0106] Specifically, the third connecting ear 23 is provided with a connecting hole for connecting to the motor 102.

[0107] Further, see Figure 10In this embodiment, a mounting plate 1021 is provided on the motor 102, and the third connecting ear 23 is installed on the mounting plate 1021 by screws.

[0108] For example, with Figure 6 and Figure 10 Taking the indicated orientation as an example, in this embodiment, the disassembly process of motor 102 is as follows:

[0109] Remove the base support 104. At this time, under the action of the motor mounting bracket, the motor 102 is still mounted on the volute 101 and will not fall.

[0110] Push the motor 102 up to separate the snap hole 111 from the snap protrusion 211 (that is, the connection is released at the same time as the overlap is released).

[0111] Rotating the motor 102 clockwise will cause the connector 2 to rotate, so that the second connecting ear 21 of each connector 2 is misaligned with its corresponding first connecting ear 11.

[0112] At this point, the motor 102 is moved down, and the second connecting ear 21 can pass through the gap between the two adjacent first connecting ears 11, so that the motor 102 and the connecting piece 2 can be disassembled together.

[0113] When it is necessary to install motor 102, the operation procedure is as follows:

[0114] The motor 102 is lifted so that each second connecting ear 21 is located in the gap between two adjacent first connecting ears 11;

[0115] Push the motor 102 up so that the height of the second connecting ear 21 is higher than the first connecting ear 11 of the fixing member 1. Then rotate the motor 102 so that each second connecting ear 21 and its corresponding first connecting ear 11 are stacked on top of each other and locked together.

[0116] Finally, install the base support 104 into place.

[0117] Using the motor mounting bracket provided in this embodiment, after the base support 104 is removed, the motor mounting bracket can prevent the motor 102 from falling, allowing one operator to complete the disassembly of the motor 102 while ensuring the safety of maintenance personnel.

[0118] Example 2

[0119] This embodiment provides a range hood.

[0120] In this document, the same or corresponding components as in Embodiment 1 are referred to using the same reference numerals.

[0121] For simplicity, the differences between Example 2 and Example 1 will be described in detail. The differences are as follows: [See attached text]. Figure 11 In this embodiment, the structure of the motor mounting bracket connector 2 is different from that of the connector 2 in the first embodiment. Correspondingly, the structure of the fixing member 1 is also different from that of the fixing member 1 in the first embodiment.

[0122] See Figure 11 In this embodiment, the fixing member 1 includes an annular fixing ring 12, on which a insertion hole 121 is provided. The connecting member 2 is correspondingly provided with the insertion hole 121, and the first end of the connecting member 2 overlaps the fixing member 1 and is inserted into the insertion hole 121.

[0123] The annular retaining ring 12 does not have a first connecting lug 11.

[0124] Specifically, there are multiple insertion holes 121, and correspondingly, there are also multiple connectors 2. The insertion holes 121 and connectors 2 are arranged in a one-to-one correspondence.

[0125] The connector 2 includes a second connecting ear 21, an extension arm 22 and a third connecting ear 23. The second connecting ear 21 is provided with a plug ear 212 that engages with the plug hole 121. The extension arm 22 extends at an angle relative to the vertical direction so that the third connecting ear 23 can be smoothly connected to the mounting plate 1021 on the motor 102, while the plug ear 212 can be plugged into the plug hole 121.

[0126] Specifically, in this embodiment, one end of the plug ear 212 is connected to the free end of the second connecting ear 21, and the other end extends downward to ensure that when the plug ear 212 is inserted into the plug hole 121, the second connecting ear 21 can overlap the fixing member 1.

[0127] That is, the first connecting ear 11 is omitted in this embodiment, which can reduce costs.

[0128] For example, with Figure 11 Taking the indicated orientation as an example, in this embodiment, the disassembly process of motor 102 is as follows:

[0129] Remove the base support 104. At this time, under the action of the motor mounting bracket, the motor 102 is still mounted on the volute 101.

[0130] Push the motor 102 up to separate the plug ear 212 from the plug hole 121 (that is, the connection is released at the same time as the overlap is released).

[0131] Tilting the motor 102 allows the upper end of one of the connectors 2 to move to the lower side of the fixing member 1;

[0132] The motor 102 was tilted repeatedly until the upper end of each connector 2 was moved to the lower side of the fixing member 1.

[0133] At this point, move the motor 102 down so that the motor 102 and the connector 2 can be removed together.

[0134] When it is necessary to install motor 102, the operation procedure is as follows:

[0135] The tilting lifting motor 102 causes the upper end of one of the connecting parts 2 to move above the fixing part 1;

[0136] Adjust the tilt direction of motor 102 until the upper end of each connector 2 moves above the fixing member 1;

[0137] Rotate the motor 102 so that the upper end of the plug ear 212 of each connector 2 is vertically aligned with its corresponding plug hole 121.

[0138] The lower discharge motor 102 is used to ensure that each plug ear 212 is plugged into the corresponding plug hole 121;

[0139] Finally, install the base support 104 into place.

[0140] Specifically, in this embodiment, the smoke hood is a top-mounted smoke hood. The smoke hood includes a power system 100, a piping system 200, and a smoke collection system 300. The power system 100 includes a housing 1001, inside which a fan 10 is installed. An inspection port 10011 is provided on the lower surface of the housing 1001. One end of the piping system 200 is connected to the inlet of the fan 10. The other end of the piping system 200 is connected to the smoke collection system 300.

[0141] The fan 10 includes the aforementioned motor mounting bracket, volute 101, and motor 102.

[0142] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A motor mounting bracket, characterized in that, To enable the installation of the motor (102) on the fan (10), the fan (10) includes a volute (101) with a mounting cavity inside. The motor (102) is installed in the mounting cavity and positioned at one end near the volute (101). The motor mounting bracket includes: The fastener (1) is configured to be mounted on the other end of the volute (101); A connector (2) has a first end that overlaps the fixing member (1) and is detachably connected to the fixing member (1). The second end of the connector (2) is configured to pass through the mounting cavity and be connected to the motor (102). The first end of the connector (2) can be disengaged from the fixing member (1) after moving in a direction away from the fixing member (1).

2. The motor mounting bracket according to claim 1, characterized in that, The fastener (1) includes: Multiple first connecting ears (11), and multiple connecting members (2), with each connecting member (2) corresponding to one of the first connecting ears (11); An annular fixing ring (12) is configured to be installed at the other end of the volute (101). A plurality of first connecting ears (11) are equally spaced along the inner circle of the annular fixing ring (12). The first end of each connector (2) overlaps and engages with the corresponding first connecting ear (11). The first end of the connector (2) can pass through the gap (13) between two adjacent first connecting ears (11).

3. The motor mounting bracket according to claim 2, characterized in that, The connector (2) includes: The second connecting ear (21) overlaps and snaps onto the corresponding first connecting ear (11), and the second connecting ear (21) can pass through the gap (13) between two adjacent first connecting ears (11); An extension arm (22) is connected at one end to the second connecting ear (21) and at the other end is configured to pass through the volute (101) and connect to the motor (102).

4. The motor mounting bracket according to claim 3, characterized in that, The cross-section of the extension arm (22) is arc-shaped, and the inner arc surface of the extension arm (22) is arranged in the same direction as the second connecting ear (21).

5. The motor mounting bracket according to claim 3, characterized in that, The connector (2) further includes a third connecting ear (23) disposed at the other end of the extension arm (22) and configured to be connected to the motor (102).

6. The motor mounting bracket according to claim 1, characterized in that, The fastener (1) includes an annular fixing ring (12), and insertion holes (121) are provided at intervals on the annular fixing ring (12) along the circumference of the annular fixing ring (12). The connector (2) is provided corresponding to the insertion holes (121), and the first end of the connector (2) overlaps the fastener (1) and is inserted into the insertion hole (121).

7. A fan, characterized in that, The fan (10) includes: The motor mounting bracket as described in any one of claims 1-6; A volute (101) is provided with an installation cavity inside the volute (101); The motor (102) is installed in the mounting cavity and is located at one end near the volute (101). The fixing member (1) of the motor mounting bracket is installed at the other end of the volute (101). The second end of each of the connecting members (2) of the motor mounting bracket passes through the mounting cavity and is connected to the motor (102).

8. The fan according to claim 7, characterized in that, The fan (10) also includes a base support (104), one end of which is connected to the volute (101) and the other end of which is connected to the motor (102).

9. A range hood, characterized in that, include: The power system (100) includes a chassis (1001), in which a fan (10) as described in claim 7 or 8 is provided, and an inspection port (10011) is provided on the lower surface of the chassis (1001). The piping system (200) is connected at one end to the inlet of the fan (10); The smoke collection system (300) is connected to the other end of the pipeline system (200).

10. The range hood according to claim 9, characterized in that, An inspection plate (10012) is provided at the inspection port (10011). One end of the inspection plate (10012) is hinged to the chassis (1001), and the other end is detachably connected to the chassis (1001).

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