CN211345578U - A motor frame structure and an air conditioner outdoor unit - Google Patents

Abstract

A motor frame structure and an air conditioner outdoor unit, the motor frame structure includes: a frame panel fixing part, a motor fixing part and a chassis fixing part which are integrally connected, wherein an arch is connected between the frame panel fixing part and the motor fixing part. Shaped labyrinth frame to achieve integrated connection. Due to the use of the arc-shaped bending connection, the stress concentration is avoided, the impact force is dispersed to each part of the integrated connection, and the impact resistance is better. Long life and simple assembly.

Description

A motor frame structure and an air conditioner outdoor unit

technical field

The utility model relates to the technical field of air conditioners, in particular to a motor frame structure and an outdoor unit of an air conditioner.

Background technique

The motor frame of the existing outdoor unit of the air conditioner is fixed with mounting ears, and the mounting ears are fixed on the condenser, which may easily cause the condenser to be reversed due to improper installation, which reduces the performance of the air conditioner, and the contact with the condenser during the installation process will inevitably be scraped by the fins Injury creates a safety hazard.

Utility model content

The problems solved by the utility model are: the existing motor frame needs to be provided with hanging ears, which is difficult to fix and form, the stress is concentrated, and the impact resistance is poor, resulting in a short life under the condition of frequency vibration and complicated assembly.

In order to solve the above problems, the utility model provides a motor frame structure and an air conditioner outdoor unit.

According to an aspect of the present invention, a motor frame structure 1 is provided, comprising: a frame panel fixing part, a motor fixing part and a chassis fixing part which are integrally connected, wherein the frame panel fixing part and the motor fixing part are The integrated connection is achieved through the arched labyrinth frame 21 .

The integral connection between the frame panel fixing part and the motor fixing part is realized by arranging the arched labyrinth frame 21, so that the frame panel fixing part, the motor fixing part and the chassis fixing part form an integrated structure. When the resultant force fa impacts the panel fixing part, the impact force is transmitted to the connection between the frame panel fixing part and the motor fixing part. The force fa will be decomposed into fax and fay. Based on this structure, the two-dimensional decomposition of the force strength is realized, avoiding stress concentration, and dispersing the impact force to each part of the integrated connection. If it is in the form of a right-angle connection in the prior art , the joint will completely receive the resultant force fa, and the strength of the lower material of the same thickness and material is obviously weaker than that of the former, so that the integrated motor frame structure of the present invention is compared with the existing connection using a right-angle frame and a single sheet metal. In terms of scheme, the integrated motor frame structure can withstand relatively high external force impact without damage. In addition, the motor frame structure does not need to be provided with mounting ears, which reduces the number of mounting ears to avoid contact with the evaporator and ensures the safety of the installation process. It can improve the efficiency of the whole machine assembly; the integrated molding process is convenient, and a large part of the space is freed up during the assembly process, which is convenient for assembly and saves space; in terms of air convection, the return air area is enlarged, and the air is discharged. The regional flow rate increases year-on-year, which indirectly increases the heat dissipation effect; from the perspective of generalization, the motor frame structure independently completes the function of fixing the fan, so that there is no need for more types of mounting ears to configure and select between various styles. Improve generalization benefits; from the perspective of production and manufacturing, the demand for integrated molding is reduced, the demand for raw materials is reduced, and the initial investment cost is reduced.

In an embodiment of the present invention, the central angle corresponding to the curvature of the arched labyrinth frame 21 is between 84° and 85°. For example, it is 84.1° or 84.5°.

By optimizing the bending curvature of the arched labyrinth frame 21, on the one hand, the connection between the fixed part of the frame panel and the fixed part of the motor is made smoother, and on the other hand, the decomposition of the force is optimized, and the bearing strength of the impact force is improved. .

In an embodiment of the present invention, the motor fixing part includes: a frame body 11, and a motor fixing structure 113 is disposed on the frame body 11, and the motor fixing structure 113 includes: a fixing member 31 and a buckle Structure 32 , wherein the fixing member 31 and the snap-fitting structure 32 are alternately arranged at four corners respectively, and are used for assembling the motor mounting member 201 of the motor 2 .

In the above-mentioned embodiment, the motor 2 has a plurality of motor mounts 201, and the motor mounts 201 are provided along the directions of the four corners. The four corners are alternately provided with the snap structures 32 and the fixing members 31 for mounting with the motor. 201 is assembled to realize the positioning and installation of the motor 2, wherein, the positioning of the motor 2 can be realized by using the buckle structure 32 first, and then the fixing member 31 and the motor installation member 201 at the location can be assembled and fixed by screws; The staggered arrangement of the structures 32 and the fixing pieces 31 realizes the convenience and reliability of positioning and assembly. Wherein, the motor fixing structure 113 further includes: a support frame plate 30, the support frame plate 30 protrudes relative to the frame main body 11, and is used to define a space for placing the motor.

In an embodiment of the present invention, the buckle structure 32 includes a support table 321 and a buckle 322 located above the support table, and the buckle 322 defines an installation space of the motor mount 201 .

In this embodiment, the buckle structure 32 includes a support table 321 and a buckle 322 located above the support table. It is enough to extend into the space in the buckle 322 . In addition, the support table 321 is perpendicular to the support frame plate 30 , and the inner edge of the support table 321 matches the periphery of the motor 2 to realize the position limitation of the motor 2 .

In an embodiment of the present invention, the fixing member 31 and the supporting table 321 are at the same height.

By arranging the fixing member 31 and the support table 321 at the same height, the overall stability of the motor 2 during installation and the reliability of the performance after assembly can be ensured.

In an embodiment of the present invention, the arched labyrinth frame 21 is two parallel arched frames, and a transverse reinforcing plate 22 is arranged between the two arched frames.

By arranging the transverse reinforcing plate 22 between the two arched frames, the radial force generated during the operation of the motor can be evenly dispersed when it is transmitted to the surface of the bearing plate 12, so as to stabilize the motor frame, reduce vibration and improve the service life. effect.

In an embodiment of the present invention, the rack panel fixing part includes: a carrying board 12 and a panel fixing board 14 arranged perpendicular to the carrying board 12 , wherein the length of the carrying board 12 along the x-direction is the same as the arch The outer edges of the labyrinth frame 21 are aligned, and the width dimension of the carrier plate 12 along the y-direction is: 72mm-74mm.

Based on the integrated arrangement, the length of the carrying plate 12 is aligned with the outer edge of the arched labyrinth frame 21, so that the carrying plate 12 is a rectangular frame, and the protruding width (along the y direction) is compared with that in the prior art. The size of the right-angle frame is shortened in the form of single sheet metal protruding. The bearing plate 12 is positioned at two points. The rectangular edge further enhances the overall force strength and disperses the lateral force brought by the motor 2 . In the process of carrying the motor frame, it will be bumped in all directions. The existing right-angle frame with single sheet metal protruding form has a large extension length. According to M=Fd, it can be known that the longer the extension diameter, the greater the torque, and the easier it is to deform; The motor frame structure of the present invention uses square supports, and shortens the extension diameter (width along the y direction) of the bearing plate, for example, 73.5mm, which is not easily deformed after being subjected to impact forces in various directions, and has higher bearing capacity. .

In an embodiment of the present invention, the panel fixing plate 14 and the panel are assembled by symmetrically arranged screws.

The use of symmetrically arranged screws for fixed assembly can prevent the uneven force on both sides caused by a single screw from reducing the service life.

According to another aspect of the present invention, an outdoor unit of an air conditioner is provided, comprising any of the motor frame structures 1 mentioned in the present invention.

The air conditioner outdoor unit realizes the integrated connection between the frame panel fixing part and the motor fixing part by setting the arched labyrinth frame 21, so that the frame panel fixing part, the motor fixing part and the chassis fixing part form an integrated structure. When the integrated structure is impacted by the resultant force fa on the fixed part of the panel, the impact force is transmitted to the connection between the fixed part of the frame panel and the fixed part of the motor. Due to the use of an arc-shaped bending connection, the stress concentration is avoided and the impact force is reduced. Distributed to each part of the integrated connection, it has better impact resistance, and at the same time, it does not need to set up hanging ears, the integrated molding is relatively easy, the life is long under the condition of frequency vibration, and the assembly is simple.

Description of drawings

1 is a schematic structural diagram of a motor frame structure according to an embodiment of the present invention;

Fig. 2 is the enlarged structural schematic diagram of the circled part A of the motor frame structure as shown in Fig. 1;

3 is an assembly diagram of the motor frame structure according to an embodiment of the present invention after the motor is installed and the bottom plate is fixed, wherein, in order to illustrate the internal installation situation, the outer panel is removed;

Fig. 4 is the enlarged structural schematic diagram of the circled portion B shown in Fig. 3;

5 is a diagram showing the analysis and comparison of the impact force in each direction between the motor frame structure of the present invention and the existing motor frame with hanging ears, wherein (a) illustrates the motor frame structure shown in the embodiment of the present invention; (b) ) indicates an existing motor frame with mounting ears;

FIG. 6 is a comparison diagram of the bearing capacity of the motor frame structure of the present invention and the existing motor frame with hanging ears, wherein (a) illustrates the motor frame structure shown in the embodiment of the present invention; (b) schematically Existing motor mount with mounting ears.

Description of reference numbers:

1- Motor frame structure;

11- the main body of the rack;

113-Motor fixed structure;

30-support frame plate; 31-fixture;

32-buckle structure;

321-support table; 322-buckle;

12-bearing plate;

13- bottom plate; 14- panel fixing plate;

15 - folded edge;

21-arch labyrinth; 22-transverse reinforcement plate;

2- motor;

201-Motor mounting parts;

3- Chassis.

Detailed ways

The existing motor frames are equipped with hanging ears, which is difficult to fix and form. It needs to be produced by molds, and then flanged and punched. The use of flanging to support the top plate has concentrated stress and poor impact resistance, resulting in a short life under the condition of frequency vibration. ; It needs to be used with hanging ears, cannot work independently, and there is also the problem of complicated assembly.

Usually, the external motor frame is assembled by the frame and the hanging ears, which needs to be molded step by step, and then the two are fixed by screws and then installed; in order to reduce the difficulty of installation, the utility model provides a motor frame structure and an outdoor air conditioner. Through the optimization of the structure, the design of the hanging ears is cancelled, and the structure of the motor frame can be directly formed into one piece, which can be directly fixed with the chassis and the panel. The assembly is simple, and it has high assembly strength and service life.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

first embodiment

In a first exemplary embodiment of the present invention, a motor frame structure is provided.

FIG. 1 is a schematic structural diagram of a motor frame structure according to an embodiment of the present invention.

1, the motor frame structure 1 of the present invention includes: a frame panel fixing part, a motor fixing part and a chassis fixing part that are integrally connected, wherein the frame panel fixing part and the motor fixing part are between The integrated connection is realized by the arched labyrinth frame 21 .

In an embodiment of the present invention, the central angle corresponding to the curvature of the arched labyrinth frame 21 is between 84° and 85°. For example, it is 84.1° or 84.5°.

By optimizing the bending curvature of the arched labyrinth frame 21, on the one hand, the connection between the fixed part of the frame panel and the fixed part of the motor is made smoother, and on the other hand, the decomposition of the force is optimized, and the bearing strength of the impact force is improved. .

FIG. 2 is an enlarged structural schematic diagram of the circled part A of the motor frame structure shown in FIG. 1 .

In an embodiment of the present invention, as shown in FIG. 2 , the motor fixing part includes: a frame body 11 , a motor fixing structure 113 is arranged on the frame body 11 , and the motor fixing structure 113 includes: The fixing member 31 and the buckle structure 32 , wherein the fixing member 31 and the buckle structure 32 are alternately arranged at four corners respectively, and are used for assembling the motor mounting member 201 of the motor 2 .

In the above-mentioned embodiment, the motor 2 has a plurality of motor mounts 201, and the motor mounts 201 are provided along the directions of the four corners. The four corners are alternately provided with the snap structures 32 and the fixing members 31 for mounting with the motor. 201 is assembled to realize the positioning and installation of the motor 2, wherein, the positioning of the motor 2 can be realized by using the buckle structure 32 first, and then the fixing member 31 and the motor installation member 201 at the location can be assembled and fixed by screws; The staggered arrangement of the structures 32 and the fixing pieces 31 realizes the convenience and reliability of positioning and assembly. Wherein, the motor fixing structure 113 further includes: a support frame plate 30, the support frame plate 30 protrudes relative to the frame main body 11, and is used to define a space for placing the motor.

3 is an assembly diagram of the motor frame structure according to an embodiment of the present invention after the motor is installed and the bottom plate is fixed, wherein, in order to illustrate the internal installation situation, the peripheral panel is removed. FIG. 4 is an enlarged schematic structural diagram of the circled portion B shown in FIG. 3 .

In an embodiment of the present invention, as shown in FIGS. 3 and 4 , the buckle structure 32 includes: a support table 321 and a buckle 322 located above the support table, the buckle 322 defines the motor The installation space of the mount 201 .

In this embodiment, the buckle structure 32 includes a support table 321 and a buckle 322 located above the support table. It is enough to extend into the space in the buckle 322 .

In addition, as shown in FIGS. 1 and 3 , the motor fixing structure 113 further includes a support frame plate 30 , and the planes where the fixing member 31 and the buckle structure 32 are located are both perpendicular to the plane where the support frame plate 30 is located, so that the The space for the installation of the indoor unit 2 is limited. In addition, the support table 321 is perpendicular to the support frame plate 30 , and the inner edge of the support table 321 matches the outer periphery of the motor 2 , so that the position of the motor 2 is limited.

In an embodiment of the present invention, as shown in FIG. 1 and FIG. 4 , the fixing member 31 and the support table 321 are at the same height.

By arranging the fixing member 31 and the support table 321 at the same height, the overall stability of the motor 2 during installation and the reliability of the performance after assembly can be ensured.

In an embodiment of the present invention, as shown in FIG. 1 , the arched labyrinth frame 21 is two parallel arched frames, and a transverse reinforcing plate 22 is arranged between the two arched frames.

By arranging the transverse reinforcing plate 22 between the two arched frames, the radial force generated during the operation of the motor can be evenly dispersed when it is transmitted to the surface of the bearing plate 12, so as to stabilize the motor frame, reduce vibration and improve the service life. effect.

5 is a diagram showing the analysis and comparison of the impact force in each direction between the motor frame structure of the present invention and the existing motor frame with hanging ears, wherein (a) illustrates the motor frame structure shown in the embodiment of the present invention; (b) ) indicates an existing motor mount with mounting ears. FIG. 6 is a comparison diagram of the bearing capacity of the motor frame structure of the present invention and the existing motor frame with hanging ears, wherein (a) illustrates the motor frame structure shown in the embodiment of the present invention; (b) schematically Existing motor mount with mounting ears.

In an embodiment of the present invention, as shown in FIG. 1 , the rack panel fixing part includes: a bearing plate 12 and a panel fixing plate 14 vertically arranged with the bearing plate 12 , wherein the bearing plate along the x direction The length of the plate 12 is aligned with the outer edge of the arched labyrinth 21, and the width dimension of the carrying plate 12 along the y direction is: 72mm-74mm. The numerical range includes the endpoints, and the width dimension of the carrier plate 12 along the y-direction is, for example, 73.5 mm.

Referring to Fig. 6 (a) and (b), the integral connection between the frame panel fixing part and the motor fixing part is realized by arranging the arched labyrinth frame 21, so that the frame panel fixing part, the motor fixing part and the motor fixing part are connected together. The fixed part of the chassis forms an integrated structure. When the integrated structure is impacted by the resultant force fa on the fixed part of the panel, the impact force will be transmitted to the connection between the fixed part of the frame panel and the fixed part of the motor. Due to the arc-shaped bending connection In the form of , the force fa on the arched labyrinth frame 21 will be decomposed into fax and fay. Based on this structure, the two-dimensional decomposition of the force strength is realized, stress concentration is avoided, and the impact force is dispersed to the integrated connection. If each part is in the form of right-angle connection in the prior art, the joint will completely receive the resultant force fa, and the strength of the lower material of the same thickness and material is obviously weaker than that of the former, which makes the integrated motor frame structure of the present invention. Compared with the existing connection scheme using a right-angle frame and a single sheet metal, the integrated motor frame structure can withstand relatively high external force impacts without being damaged.

5 (a) and (b), based on the integrated arrangement, the length of the carrying plate 12 is aligned with the outer edge of the arched labyrinth frame 21, so that the carrying plate 12 is a rectangular frame, and the extended width (along the y-direction) Compared with the form of the single sheet metal extension of the right-angle frame in the prior art, the size is shortened. The bearing plate 12 is positioned at two points, and the overall force strength is further improved through the rectangular edge, and the dispersion Lateral force fa from motor 2. In the process of carrying the motor frame, it will be bumped in all directions. The existing right-angle frame with single sheet metal protruding form has a large extension length. According to M=Fd, it can be known that the longer the extension diameter, the greater the torque, and the easier it is to deform; The motor frame structure of the present invention uses square supports and shortens the extension diameter (width along the y direction) of the bearing plate, so that it is not easily deformed after being subjected to impact forces in various directions, and has a higher bearing capacity.

In an embodiment of the present invention, the panel fixing plate 14 and the panel are assembled by symmetrically arranged screws.

The use of symmetrically arranged screws for fixed assembly can prevent the uneven force on both sides caused by a single screw from reducing the service life.

Second Embodiment

In the second exemplary embodiment of the present invention, an outdoor unit of an air conditioner is provided, including any motor frame structure 1 mentioned in the present invention.

The air conditioner outdoor unit realizes the integrated connection between the frame panel fixing part and the motor fixing part by setting the arched labyrinth frame 21, so that the frame panel fixing part, the motor fixing part and the chassis fixing part form an integrated structure. When the integrated structure is impacted by the resultant force fa on the fixed part of the panel, the impact force is transmitted to the connection between the fixed part of the frame panel and the fixed part of the motor. Due to the use of an arc-shaped bending connection, the stress concentration is avoided and the impact force is reduced. Distributed to each part of the integrated connection, it has better impact resistance, and at the same time, it does not need to set up hanging ears, the integrated molding is relatively easy, the life is long under the condition of frequency vibration, and the assembly is simple.

To sum up, the utility model provides a motor frame structure and an air conditioner outdoor unit. The motor frame structure does not need to be provided with mounting ears, reduces the number of mounting ears and avoids contact with the evaporator, ensures the safety of the installation process, and improves the overall machine. The benefits of assembly; the integrated molding process is convenient, and a large part of the space is freed up during the assembly process, which is convenient for assembly and saves space; in terms of air convection, the return air area is increased, and the flow rate of the air outlet area is increased year-on-year. Indirectly increases the heat dissipation effect; from the perspective of generalization, the motor frame structure independently completes the function of fixing the fan, so that more types of mounting ears are no longer needed to configure and select between various styles, and the generalization benefit is improved; From the perspective of manufacturing, integrated molding requires less molds, lower raw material requirements, and lower initial investment costs.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Claims (10)

1. A motor frame structure (1), characterized in that it comprises: a frame panel fixing part, a motor fixing part and a chassis fixing part that are integrally connected, wherein, between the frame panel fixing part and the motor fixing part The integrated connection is realized by the arched labyrinth frame (21). 2 . The motor frame structure ( 1 ) according to claim 1 , wherein the central angle corresponding to the curvature of the arched labyrinth frame ( 21 ) is between 84° and 85°. 3 . 3. The motor frame structure (1) according to claim 1, wherein the motor fixing part comprises: a frame main body (11), and a motor fixing structure (113) is provided on the frame main body (11). ), the motor fixing structure (113) includes: a fixing piece (31) and a buckle structure (32), wherein the fixing piece (31) and the buckle structure (32) are alternately arranged at four corners respectively position for the assembly of the motor mount (201) of the motor (2). 4. The motor frame structure (1) according to claim 3, wherein the buckle structure (32) comprises: a support table (321) and a buckle (322) located above the support table, The buckle (322) defines the installation space of the motor mounting member (201). 5 . The motor frame structure ( 1 ) according to claim 4 , wherein the fixing member ( 31 ) and the support table ( 321 ) are at the same height. 6 . 6 . The motor frame structure ( 1 ) according to claim 1 , wherein the arched labyrinth frame ( 21 ) is two parallel arched frames, and between the two arched frames Lateral reinforcement plate (22). 7. The motor frame structure (1) according to claim 1 or 6, characterized in that, the frame panel fixing part comprises: a bearing plate (12) and a panel fixing plate vertically arranged with the bearing plate (12) Plate (14), wherein the length of the carrier plate (12) along the x direction is aligned with the outer edge of the arched labyrinth (21), the width dimension of the carrier plate (12) along the y direction: 72mm- 74mm. 8 . The motor frame structure ( 1 ) according to claim 7 , wherein the panel fixing plate ( 14 ) and the panel are assembled by symmetrically arranged screws. 9 . 9. The motor frame structure (1) according to claim 1, wherein the chassis fixing part comprises: a bottom plate (13) and a folded edge (15) having an included angle with the bottom plate (13), The bottom plate (13) and the folded edge (15) match the shape of the chassis (3). 10. An air conditioner outdoor unit, characterized by comprising the motor frame structure (1) according to any one of claims 1-9.

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