Motor fixing structure of evaporation fan

Abstract

According to the motor fixing structure of the evaporation fan, the evaporation fan is composed of a motor, a volute and fan blades, the motor is provided with a positioning hole, the volute is provided with the motor fixing structure used for installing the motor, the motor fixing structure comprises an arc-shaped placement base arranged on the volute, and a gland is connected to the upper portion of the arc-shaped placement base; an annular structure is defined by the arc-shaped placement base and the gland and used for limiting longitudinal movement of the motor. The limiting clamping plates are arranged on the left side and the right side of the arc-shaped placement base and used for limiting the motor to move in the axial direction; and the limiting salient point is arranged on one side of the limiting clamping plate and is used for limiting the circumferential rotation of the motor. The motor limiting and fixing structure is additionally arranged on the volute, the limiting clamping plate is matched with the limiting protruding points to install and fix the motor, compared with a traditional screw fixing mode, the motor limiting and fixing structure is firmer in installation and more convenient to disassemble and assemble, independent limiting structures are adopted for movement of the motor in all directions, and the motor limiting and fixing structure is more convenient to use. And the failure risk of the limiting structure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile air-conditioning motors, in particular to a motor fixing structure of an evaporating fan. Background Art

[0002] With the development of society, cars have entered thousands of households, and car air conditioners, as an indispensable part of cars, have a high demand. Car air conditioners achieve air replacement through the rotation of the evaporating fan installed in the air conditioner.

[0003] The evaporator fan is composed of three major parts: a DC permanent magnet motor, a fan blade, and a mounting volute. The firmness and reliability of the motor, which is the core component of the evaporator fan, in the volute is particularly important. Traditional motors are fixed by drilling holes in the casing and screwing them in. This type of fixed installation requires a high level of proficiency in the operation of the employees. At the same time, the screws must limit the motor's left and right movement and the motor's circular motion, which increases the risk of failure. In addition, the screws are prone to slipping during maintenance and disassembly.

[0004] Therefore, in view of the deficiencies in the prior art, the utility model designs a motor fixing structure for an evaporating fan to solve the above problems.

[0005] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely explaining the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0006] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a motor fixing structure for an evaporating fan, and the motor is fixed in a limited position by designing a motor fixing structure on a volute.

[0007] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a motor fixing structure of an evaporating fan, wherein the evaporating fan is composed of a motor, a volute and a fan blade, a positioning hole is provided on the motor, and a motor fixing structure for installing the motor is provided on the volute, and the motor fixing structure includes:

[0008] An arc-shaped mounting seat is arranged on the upper end surface of the volute, a gland is connected above the arc-shaped mounting seat, the arc-shaped mounting seat and the gland form an annular structure, the inner side of the annular structure is closely connected to the outer periphery of the motor, and is mainly used to limit the longitudinal movement of the motor;

[0009] The limit clamping plates are arranged on the left and right sides of the arc-shaped placement seat, and the limit clamping plates are clamped with the end faces of the left and right ends of the motor, and are mainly used to limit the movement of the motor along the axial direction;

[0010] The limiting protrusion is arranged on one side of the limiting card plate, and the limiting protrusion can be plugged and positioned with the positioning hole, and is mainly used to limit the circumferential rotation of the motor.

[0011] The preferred technical solution is: the limiting clamping plate and the arc-shaped placement seat are connected through a grid frame, and the limiting protrusions are formed on the grid frame.

[0012] The preferred technical solution is: a reinforcing rib plate is provided on one side of the limiting clamping plate away from the arc-shaped placement seat, and the number of the reinforcing rib plates is three.

[0013] The preferred technical solution is that the arc-shaped placement seat and the pressure cover are connected by bolts.

[0014] The preferred technical solution is that a tie rod structure is provided on the outer side of the gland.

[0015] Due to the application of the above-mentioned technical solution, the utility model provides a motor fixing structure for an evaporator fan, which adds a motor limiting fixing structure on the volute, and uses a limiting clamping plate in conjunction with a limiting protrusion to install and fix the motor. Compared with traditional screw fixing, the installation of the utility model is more secure and more convenient to disassemble and assemble. In addition, the utility model uses independent limiting structures for the movement of the motor in each direction, reducing the failure risk of the limiting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the evaporation fan in the utility model;

[0017] Figure 2 It is a structural schematic diagram of the motor in the utility model;

[0018] Figure 3 It is a schematic diagram of a motor fixing structure of an evaporating fan of the utility model;

[0019] Figure 4 for Figure 3 A partial enlarged view of point Ⅰ in the middle;

[0020] Figure 5 for Figure 3 A partial enlarged view of point II in the middle.

[0021] In the above drawings, 1, motor; 11, positioning hole; 2, volute; 3, fan blade; 4, motor fixing structure; 41, arc-shaped placement seat; 41a, bolt; 42, gland; 42a, tie rod structure; 43, limit card plate; 43a, reinforcing rib plate; 44, limit convex point; 45, grid frame. DETAILED DESCRIPTION

[0022] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0023] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1 and Figure 2 As shown, the utility model discloses a motor fixing structure of an evaporating fan, wherein the evaporating fan is composed of a motor 1, a volute 2 and a fan blade 3, a positioning hole 11 is provided on the motor 1, and a motor fixing structure 4 for mounting the motor 1 is provided on the volute 2. The main components of the utility model are described in detail below:

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the motor fixing structure 4 includes an arc-shaped placement seat 41, a pressure cover 42, a limit clamping plate 43 and a limit convex point 44, wherein:

[0027] The arc-shaped mounting seat 41 is arranged on the upper end surface of the volute 2, and the upper end of the arc-shaped mounting seat 41 is connected to the lower end of the pressure cover 42 by bolts 41a. The arc-shaped mounting seat 41 and the pressure cover 42 enclose an annular structure, which clamps and fixes the outer periphery of the motor 1 to limit the longitudinal movement of the motor 1.

[0028] The limit clamping plates 43 are arranged opposite to each other on the left and right sides of the arc-shaped placement seat 41, and the limit clamping plates 43 and the arc-shaped placement seat 41 are connected through a grid frame 45. The limit clamping plates 43 are clamped with the left and right end sections of the motor 1, and the motor 1 is clamped between the two limit clamping plates 43 to limit the motor 1 from moving in the axial direction. It should be noted that the above structure is merely exemplary and not restrictive. In this embodiment, the limit clamping plates 43 and the arc-shaped placement seat 41 are connected through a grid frame 45, but in other embodiments, the limit clamping plates 43 and the arc-shaped placement seat 41 may be connected through a fixed block; in other embodiments, the limit clamping plates 43 and the arc-shaped placement seat 41 may not be connected.

[0029] The limiting protrusion 44 is arranged on the grid frame 45, and the limiting protrusion 44 is engaged with the positioning hole 11 to limit the circumferential rotation of the motor 1. It should be noted that in this embodiment, the limiting protrusion 44 is arranged on the grid frame 45, but in other embodiments, the limiting protrusion 44 can be arranged independently.

[0030] like Figure 3 and Figure 4 As shown, three reinforcing ribs 43a are provided on one side of the limiting clamping plate 43 away from the arc-shaped placement seat 41, so as to ensure the stability of the limiting clamping plate 43. It should be noted that in this embodiment, the number of the reinforcing ribs 43a is three, but in other embodiments, the number of the reinforcing ribs 43a may be more than three, and in other embodiments, the number of the reinforcing ribs 43a may be less than three.

[0031] like Figure 3 and Figure 5 As shown, a tie rod structure 42a is provided on the outer side of the pressure cover 42 to ensure the strength of the cover plate 42 and prevent it from deformation.

[0032] In summary, the motor fixing structure of the evaporating fan disclosed in the utility model has the following advantages:

[0033] 1) Use independent mechanisms to limit the movement of the motor in each direction to reduce the risk of failure of the limiting mechanism;

[0034] 2) The motor fixing structure is designed directly on the volute to ensure the stability of the fixing structure;

[0035] 3) It is fixedly connected to the motor by snap-on connection. Compared with the traditional screw connection, it is more convenient to disassemble and assemble, and will not cause damage to the motor casing.

[0036] The above embodiment provided by the utility model is only an example of the principle and effect of the utility model, and is not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A motor fixing structure for an evaporating fan, the evaporating fan comprising a motor (1), a volute (2) and fan blades (3), characterized in that: The motor (1) is provided with a positioning hole (11), and the volute (2) is provided with a motor fixing structure (4) for mounting the motor (1), wherein the motor fixing structure (4) comprises: an arc-shaped mounting seat (41), the arc-shaped mounting seat (41) being arranged on the upper end surface of the volute (2), a pressure cover (42) being arranged above the arc-shaped mounting seat (41), the arc-shaped mounting seat (41) and the pressure cover (42) forming an annular structure, the annular structure being closely connected to the outer periphery of the motor (1) and being used to restrict the longitudinal movement of the motor (1); A limit clamping plate (43), the limit clamping plate (43) being arranged on the left and right sides of the arc-shaped placement seat (41), the limit clamping plate (43) being clamped with the left and right ends of the motor (1) to limit the lateral movement of the motor (1); A limiting protrusion (44), the limiting protrusion (44) being arranged on one side of the limiting clamping plate (43), the limiting protrusion (44) being clamped with the positioning hole (11) and being used to limit the circumferential rotation of the motor (1).

2. The motor fixing structure of the evaporating fan according to claim 1, characterized in that: The position-limiting clamping plate (43) and the arc-shaped placement seat (41) are connected via a grid frame (45).

3. The motor fixing structure of the evaporating fan according to claim 2, characterized in that: The limiting protrusions (44) are arranged on the grid frame (45).

4. The motor fixing structure of the evaporating fan according to claim 1 is characterized in that: A reinforcing rib plate (43a) is provided on a side of the limiting clamping plate (43) away from the arc-shaped placement seat (41).

5. The motor fixing structure of the evaporating fan according to claim 4, characterized in that: The number of the reinforcing rib plates (43a) is three.

6. The motor fixing structure of the evaporating fan according to claim 1, characterized in that: The arc-shaped placement seat (41) and the pressure cover (42) are connected via bolts (41a).

7. The motor fixing structure of an evaporating fan according to claim 1, characterized in that: A tie rod structure (42a) is provided on the outer side of the gland (42).

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