Fan support structure of microwave oven

Abstract

The utility model discloses a microwave oven fan support structure which is characterized in that a pressing buckle and a clamping buckle are arranged on the rear side of a fan support, a rear plate is provided with a pressing hole connected with the pressing buckle in an inserted mode and a clamping hole connected with the clamping buckle in a clamped mode, and the rear plate is connected to the rear side of the fan support; the top surface of the fan support is provided with a fixing buckle hole and a positioning buckle, the protective tube seat is provided with a fixing buckle position which is inserted into the fixing buckle hole, the filter plate is provided with a positioning hole which is clamped with the positioning buckle, and the protective tube seat and / or the filter plate are / is connected to the top surface of the fan support; a limiting column is arranged in the middle of the fan support, a limiting hole connected with the limiting column in an inserted mode is formed in the fan body, and the fan body is connected to the middle of the fan support. The fan support is arranged, the fan body is installed in the middle of the fan support firstly, then the protective tube base and / or the filter plate are installed on the top face of the fan support according to use requirements, and then the assembled fan support is buckled into the rear plate, so that the assembly compactness is higher, meanwhile, the number of parts is reduced, and the assembly efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of microwave oven components, in particular to a fan bracket structure for a microwave oven. Background Art

[0002] With the improvement of living quality, the types of kitchen appliances are becoming more and more abundant, and microwave ovens, ovens, steamers, etc. have gradually become essential products for family life. Among them, based on its heating function, the microwave oven brings various conveniences to people. However, during the heating process, components such as magnetrons and transformers generate a large amount of heat, and a fan is required for heat dissipation. Since the internal structure of the microwave oven is relatively compact, manufacturers often assemble independent components integrally when manufacturing microwave ovens, which can improve the assembly efficiency and ensure sufficient heat dissipation space.

[0003] Patent No. ZL 201720264325.X discloses a fan bracket assembly for a microwave oven, which includes a metal fan bracket, a metal filter plate bracket, a metal capacitor bracket, and a metal buckle strip. Among them, the metal filter plate bracket is formed on the top of the metal fan bracket, the metal capacitor bracket is formed on the bottom of the metal fan bracket, and the metal buckle strip is set in an arc shape to form a space for accommodating a high-voltage capacitor with the metal capacitor bracket, thereby improving the overall assembly production efficiency through an integrated structure. However, the solution mentioned in the above patent only integrally assembles the fixed fan component, the filter plate component and the fan bracket, and does not provide an installation space for the fuse tube component, resulting in insufficient assembly compactness and failing to effectively improve the assembly efficiency. Summary of the Invention

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose a fan bracket structure for a microwave oven.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fan bracket structure for a microwave oven includes a fan bracket, and a fan main body, a filter plate, a fuse tube seat, and a rear plate that are detachably assembled with the fan bracket. It is characterized in that:

[0007] A buckle and a snap are provided on the rear side of the fan bracket, and a pressure hole for inserting the buckle and a snap hole for snap-connecting with the snap are provided on the rear plate, and the rear plate is connected to the rear side of the fan bracket;

[0008] Fixing buckle holes and positioning buckles are provided on the top surface of the fan bracket, a fixing buckle position for inserting into the fixing buckle holes is provided on the fuse tube seat, and a positioning hole for snap-connecting with the positioning buckle is provided on the filter plate, and the fuse tube seat and / or the filter plate are connected to the top surface of the fan bracket;

[0009] A limiting post is provided in the middle of the fan bracket, a limiting hole for inserting the limiting post is provided on the fan main body, and the fan main body is connected to the middle of the fan bracket.

[0010] Preferably, elastic buckle holes are provided on the top surface of the fan support, and elastic buckle positions are provided on the fuse holder. The elastic buckle positions are snap-connected to the elastic buckle holes.

[0011] Preferably, the number of the fixed buckle holes is two, and the two fixed buckle holes are arranged at intervals and distributed side by side along the direction of the elastic buckle holes.

[0012] Preferably, the positioning buckle is an elastic member, including two positioning pins arranged at intervals and symmetrically distributed. A support step is provided at the top of the positioning pin. The positioning pin is snap-connected into the positioning hole, and the support step abuts against the bottom of the filter board.

[0013] Preferably, the number of the positioning buckles is three, and the three positioning buckles are arranged at intervals and distributed in a triangular pattern.

[0014] Preferably, a plurality of support columns are provided on the top surface of the fan support, and the tops of the support columns abut against the bottom of the filter board.

[0015] Preferably, a plurality of screw columns are provided on the top surface of the fan support, threaded holes are provided at the tops of the screw columns, the filter board is lapped above the screw columns, and is fixedly connected by screws.

[0016] Preferably, a hollow fan cover is provided in the middle of the fan support. The fan main body is connected to the fan cover by screws. The output end of the fan main body passes through the fan cover and extends out, and is rotatably connected with a fan blade.

[0017] Preferably, a plurality of screw holes are provided at the rear side of the fan support, and the screw holes correspond to the upper and lower sides of the rear plate. The rear plate is connected to the fan support by screws.

[0018] The utility model has the following beneficial effects:

[0019] By providing the fan support and cooperating with the detachable connection structure, the fan main body, the filter board and the fuse holder can be integrally assembled. First, the fan main body is installed in the middle of the fan support, and then, according to the use requirements, the fuse holder and / or the filter board are installed on the top surface of the fan support. Then, the assembled fan support is buckled into the rear plate, so that the assembly compactness is stronger, and at the same time, the number of parts is reduced, and the assembly efficiency is effectively improved. Description of the Drawings

[0020] Figure 1 It is an assembly schematic diagram of the microwave oven fan support structure of the utility model

[0021] Figure 2 It is an assembly schematic diagram of the fan support and the rear plate of the utility model

[0022] Figure 3 It is an assembly schematic diagram of the fan support and the fuse holder of the utility model

[0023] Figure 4 Assembly schematic diagram of the fan bracket and the filter plate of the present utility model

[0024] Figure 5 Assembly schematic diagram of the fan bracket and the fan body of the present utility model

[0025] Figure 6 Structure schematic diagram of the fan bracket of the present utility model

[0026] Figure 7 Structure schematic diagram of the positioning buckle of the present utility model

[0027] Description of the drawings: Fan bracket 1, fan body 2, filter plate 3, fuse holder 4, rear plate 5, pressing buckle 6, pressing hole 7, clamping buckle 8, clamping hole 9, fixed buckle position 10, fixed buckle hole 11, positioning buckle 12, positioning hole 13, limiting column 14, limiting hole 15, elastic buckle position 16, elastic buckle hole 17, positioning pin 18, supporting step 19, supporting column 20, screw column 21, fan cover 22, fan blade 23, screw hole 24. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1 to 7 , an embodiment provided by the present utility model is as follows:

[0030] A microwave oven fan bracket structure includes a fan bracket 1, and a fan body 2, a filter plate 3, a fuse holder 4 and a rear plate 5 that are detachably assembled with the fan bracket 1: A pressing buckle 6 and a clamping buckle 8 are provided on the rear side of the fan bracket 1, a pressing hole 7 for inserting the pressing buckle 6 and a clamping hole 9 for clamping with the clamping buckle 8 are provided on the rear plate 5, and the rear plate 5 is connected to the rear side of the fan bracket 1; A fixed buckle hole 11 and a positioning buckle 12 are provided on the top surface of the fan bracket 1, a fixed buckle position 10 for inserting into the fixed buckle hole 11 is provided on the fuse holder 4, a positioning hole 13 for clamping with the positioning buckle 12 is provided on the filter plate 3, and the fuse holder 4 and / or the filter plate 3 are connected to the top surface of the fan bracket 1; A limiting column 14 is provided in the middle of the fan bracket 1, a limiting hole 15 for inserting the limiting column 14 is provided on the fan body 2, and the fan body 2 is connected to the middle of the fan bracket 1.

[0031] The rear panel 5 is located behind the fan bracket 1 and is detachably connected to the fan bracket 1. Among them: The press buckle 6 is located at the rear side of the fan bracket 1 and extends backward, presenting an L-shaped structure, corresponding to the lower side position of the fan bracket 1. The press hole 7 is located at the lower side of the rear panel 5, is provided in a through manner, and has a shape matching and position corresponding to the press buckle 6. It is possible that the number of the press buckle 6 and the press hole 7 is two groups, which are arranged on the left and right sides of the rear panel 5. The press buckle 6 extends into the press hole 7 and is inserted into the press hole 7, playing a positioning role in the installation of the rear panel 5. The snap buckle 8 is located at the rear side of the fan bracket 1 and extends backward, presenting an inverted hook-shaped structure, corresponding to the upper side position of the fan bracket 1. The snap hole 9 is located at the upper side of the rear panel 5, is provided in a through manner, and has a shape matching and position corresponding to the snap buckle 8. It is possible that the number of the snap buckle 8 and the snap hole 9 is two groups, which are arranged on the left and right sides of the rear panel 5. The snap buckle 8 extends into the snap hole 9 and is snapped with the snap hole 9, playing a limiting role in the installation of the rear panel 5. When the rear panel 5 needs to be installed, the rear panel 5 and the fan bracket 1 are aligned front and back. First, the press buckle 6 is inserted into the press hole 7, and then the snap buckle 8 is snapped into the snap hole 9. At the same time, screws can be used for fixation. The rear panel 5 is fastened to the fan bracket 1 by screws, further improving the stability, so as to assemble the rear panel 5 at the rear side of the fan bracket 1.

[0032] The fuse holder 4 is located above the fan bracket 1 and is detachably connected to the fan bracket 1. Among them: The fixed buckle hole 11 is located on the top surface of the fan bracket 1, is opened in the vertical direction, and is provided in a through manner. The fixed buckle position 10 is provided at the bottom of the fuse holder 4, extends downward, and has a shape matching and position corresponding to the fixed buckle hole 11. The fixed buckle position 10 extends into the fixed buckle hole 11 and is inserted into the fixed buckle hole 11. When the fuse holder 4 needs to be installed, the fuse holder 4 and the fan bracket 1 are aligned up and down. The fixed buckle position 10 is inserted into the fixed buckle hole 11. At the same time, a clamping part can be used for fixation. The fuse holder 4 is buckled on the fan bracket 1 through the clamping part, further improving the stability, so as to connect the fuse holder 4 to the top surface of the fan bracket 1.

[0033] The filter board 3 is located above the fan bracket 1 and is detachably connected to the fan bracket 1. Among them: The positioning buckle 12 is located on the top surface of the fan bracket 1 and extends upward, presenting an elastic snap structure. The positioning hole 13 is located on the filter board 3, is opened in the vertical direction, and is provided in a through manner, and has a shape matching and position corresponding to the positioning buckle 12. It is possible that the number of the positioning buckle 12 and the positioning hole 13 is three groups, which are arranged on the left side, the middle part, and the right side of the filter board 3, presenting a triangular distribution. The positioning buckle 12 extends into the positioning hole 13 and is snapped with the positioning hole 13. When the filter board 3 needs to be installed, the filter board 3 and the fan bracket 1 are aligned up and down. The positioning buckle 12 is snapped into the positioning hole 13. At the same time, screws can be used for fixation. The filter board 3 is fastened to the fan bracket 1 by screws, further improving the stability, so as to assemble the filter board 3 on the top surface of the fan bracket 1.

[0034] The fan main body 2 is located in the middle of the fan bracket 1 and is detachably connected to the fan bracket 1. Among them: The limiting column 14 is located in the middle of the fan bracket 1 and extends backward, presenting a columnar structure. The limiting hole 15 is located in the fan main body 2 and is opened along the front-rear direction, presenting a through setting, and is matched in shape and corresponding in position with the limiting column 14. It can be that the number of the limiting holes 15 and the limiting columns 14 is two groups, which are arranged on the left and right sides of the fan main body 2. The limiting column 14 extends into the limiting hole 15 and is inserted into the limiting hole 15. When installing the fan main body 2, the fan main body 2 and the fan bracket 1 are aligned front and back. The limiting column 14 is inserted into the limiting hole 15. At the same time, screws can be used for fixation. The fan main body 2 is fastened to the fan bracket 1 by screws to further improve the stability, so as to assemble the fan main body 2 in the middle of the fan bracket 1.

[0035] Through the setting of the fan bracket 1 and in cooperation with the detachable connection structure, the present utility model can integrally assemble the fan main body 2, the filter plate 3, and the fuse base 4. First, the fan main body 2 is installed in the middle of the fan bracket 1. Then, according to the use requirements, the fuse base 4 and / or the filter plate 3 are installed on the top surface of the fan bracket 1. Then, the assembled fan bracket 1 is buckled into the rear plate 5, making the assembly more compact. At the same time, the number of parts is reduced, and the assembly efficiency is effectively improved.

[0036] In this embodiment, preferably, elastic snap holes 17 are provided on the top surface of the fan bracket 1, and elastic snap positions 16 are provided on the fuse base 4. The elastic snap positions 16 are snap-connected to the elastic snap holes 17.

[0037] The elastic snap holes 17 are located on the top surface of the fan bracket 1 and are opened along the vertical direction, presenting a through setting. The elastic snap positions 16 are provided at the bottom of the fuse base 4 and extend downward, and are matched in shape and corresponding in position with the elastic snap holes 17. The elastic snap positions 16 extend into the elastic snap holes 17 and are snap-connected to the elastic snap holes 17. It can be that the fixed snap positions 10 and the elastic snap positions 16 are respectively located at both ends of the fuse base 4. The fixed snap positions 10 present an L-shaped structure and play a positioning role, and the elastic snap positions 16 present an inverted hook-shaped structure and play a limiting role. When installing the fuse base 4, the fuse base 4 and the fan bracket 1 are aligned up and down. The fixed snap positions 10 are inserted into the fixed snap holes 11, and the elastic snap positions 16 are snap-connected to the elastic snap holes 17, so as to fix both ends of the fuse base 4.

[0038] In this embodiment, preferably, the number of the fixed snap holes 11 is two, and the two fixed snap holes 11 are spaced apart and arranged side by side along the direction of the elastic snap holes 17.

[0039] The number of the fixing buckle holes 11 is two. The two fixing buckle holes 11 are arranged at intervals and distributed side by side, and are arranged along the direction of the elastic buckle hole 17, that is, the elastic buckle hole 17 and the two fixing buckle holes 11 are located in the same straight line position. The two fixing buckle holes 11 can be divided into a large fixing buckle hole and a small fixing buckle hole. The distance from the large fixing buckle hole to the elastic buckle hole 17 is greater than the distance from the small fixing buckle hole to the elastic buckle hole 17. The fuse base 4 can be divided into a large fuse base and a small fuse base according to the size of the installed fuse. The fixing buckle position 10 and the elastic buckle position 16 are respectively located at both ends of the fuse base 4. When it is necessary to install the large fuse base, the fixing buckle position 10 is inserted into the large fixing buckle hole, and the elastic buckle position 16 is clamped in the elastic buckle hole 17. When it is necessary to install the small fuse base, the fixing buckle position 10 is inserted into the small fixing buckle hole, and the elastic buckle position 16 is clamped in the elastic buckle hole 17, so as to meet the installation of fuse bases 4 of different sizes.

[0040] In this embodiment, preferably, the positioning buckle 12 is an elastic member, including two positioning pins 18 arranged at intervals and symmetrically distributed. A supporting step 19 is provided at the top of the positioning pin 18. The positioning pin 18 is clamped in the positioning hole 13, and the supporting step 19 abuts against the bottom of the filter plate 3.

[0041] The positioning buckle 12 is an elastic member and has an elastic telescopic function. The positioning pins 18 are located on the top surface of the fan bracket 1 and extend upward, presenting an elastic buckle structure. The two positioning pins 18 are arranged at intervals and symmetrically distributed, and can be close to or away from each other by extrusion. A guiding and sliding part inclined outward is provided at the top of the positioning pin 18. During the process of pressing the positioning hole 13 into the positioning buckle 12, the positioning hole 13 abuts against the guiding and sliding part, driving the two positioning pins 18 to approach each other inward. After the guiding and sliding part passes through the positioning hole 13, the two positioning pins 18 elastically reset and move away from each other outward to achieve clamping and fixing. The supporting step 19 is located at the top of the positioning pin 18 and is relatively arranged below the guiding and sliding part, forming a stepped structure with the guiding and sliding part. After the positioning pin 18 and the positioning hole 13 are clamped with each other, the supporting step 19 abuts against the bottom of the filter plate 3, and the supporting step 19 supports the filter plate 3 to play a supporting and limiting role.

[0042] In this embodiment, preferably, the number of the positioning buckles 12 is three. The three positioning buckles 12 are arranged at intervals and distributed in a triangular arrangement.

[0043] The number of the positioning buckles 12 is three. The three positioning buckles 12 are arranged at intervals and distributed in a triangular pattern. The positioning holes 13 correspond to the positioning buckles 12 one by one. It can be understood that the number of the positioning buckles 12 and the positioning holes 13 is three groups, which are arranged on the left, middle, and right sides of the filter board 3 and distributed in a triangular pattern. The positioning buckles 12 extend into the positioning holes 13 and are clamped with the positioning holes 13. By increasing the number of groups of the positioning buckles 12 and the positioning holes 13 and taking advantage of the stability of the triangular distribution, after the filter board 3 is assembled and fixed, it is not easy to loosen, thus improving the installation stability.

[0044] In this embodiment, preferably, a plurality of support columns 20 are provided on the top surface of the fan bracket 1, and the tops of the support columns 20 are in contact with the bottom of the filter board 3.

[0045] The support columns 20 are located on the top surface of the fan bracket 1 and extend upward, presenting a convex structure. The tops of the support columns 20 are flat and are used for horizontal contact with the bottom of the filter board 3. The plurality of support columns 20 are arranged at intervals. It can be that the height of the support columns 20 is equal to the distance from the support step 19 to the top surface of the fan bracket 1 to maintain the levelness of the installation of the filter board 3. After the positioning pins 18 and the positioning holes 13 are clamped with each other, the support step 19 is in contact with the bottom of the filter board 3, and the tops of the support columns 20 are in contact with the bottom of the filter board 3. The support columns 20 support the filter board 3 and play a supporting role.

[0046] In this embodiment, preferably, a plurality of screw columns 21 are provided on the top surface of the fan bracket 1. Threaded holes are opened at the tops of the screw columns 21. The filter board 3 is lapped above the screw columns 21 and is fixedly connected by screws.

[0047] The screw columns 21 are located on the top surface of the fan bracket 1 and extend upward, presenting a columnar structure. The tops of the screw columns 21 are flat and are used for horizontal contact with the bottom of the filter board 3. The threaded holes are opened downward from the tops of the screw columns 21. The filter board 3 is provided with through holes. The through holes are matched with the threaded holes and are in corresponding positions. The plurality of screw columns 21 are arranged at intervals. It can be that the height of the screw columns 21 is equal to the distance from the support step 19 to the top surface of the fan bracket 1 to maintain the levelness of the installation of the filter board 3. After the positioning pins 18 and the positioning holes 13 are clamped with each other, the support step 19 is in contact with the bottom of the filter board 3, and the tops of the screw columns 21 are in contact with the bottom of the filter board 3. The screw columns 21 support the filter board 3 and play a supporting role. The screws pass through the through holes and are fixedly connected with the threaded holes, thereby fixing the filter board 3 on the fan bracket 1 and improving the installation stability. At the same time, in the case where the positioning buckles 12 fail or are damaged, another fastening method can be provided without replacing the fan bracket 1.

[0048] In this embodiment, preferably, a hollow fan cover 22 is provided in the middle of the fan bracket 1. The fan main body 2 is connected to the fan cover 22 by screws. The output end of the fan main body 2 passes through the fan cover 22 and extends out, and a fan blade 23 is rotatably connected.

[0049] The fan cover 22 is located in the middle of the fan support 1, installed in the front-back direction, and is provided with a hollow structure. The limit posts 14 are located at the rear side of the fan cover 22. The number of the limit holes 15 and the limit posts 14 can be two groups, which are arranged on the left and right sides of the fan main body 2. The limit posts 14 extend into the limit holes 15 and are inserted into the limit holes 15. The fan cover 22 and the fan main body 2 can be respectively provided with corresponding threaded holes and through holes. The number of the threaded holes and the through holes is two groups, which are arranged on the left and right sides of the fan main body 2. The screws pass through the through holes and are fixedly connected to the threaded holes, so as to connect the fan main body 2 to the fan cover 22. A cavity capable of accommodating the fan blades 23 is provided at the front side of the fan cover 22. After the fan main body 2 is fixed to the fan cover 22, the output end of the fan main body 2 passes through the fan cover 22 and extends out, and is located in the cavity. The fan blades 23 are rotatably connected to the output end of the fan main body 2, realizing the installation of the fan main body 2.

[0050] In this embodiment, preferably, a plurality of screw holes 24 are provided at the rear side of the fan support 1. The screw holes 24 correspond to the upper and lower sides of the rear plate 5 in position. The rear plate 5 is connected to the fan support 1 by screws.

[0051] The screw holes 24 are located at the rear side of the fan support 1, arranged in the front-back direction, and correspond to the upper and lower sides of the rear plate 5 in position. Through assembly holes are provided on the upper and lower sides of the rear plate 5, and the assembly holes correspond to the screw holes 24 in position. The screw holes 24 can include conventional screw holes and spare screw holes. The assembly holes can include conventional assembly holes and spare assembly holes. The conventional screw holes correspond to the conventional assembly holes and are arranged relative to the center line of the rear plate 5. The spare screw holes correspond to the spare assembly holes and are arranged relative to the left and right sides of the rear plate 5. When the rear plate 5 needs to be installed, the rear plate 5 and the fan support 1 are aligned front and back. First, the buckle 6 is inserted into the pressing hole 7, and then the snap 8 is snapped into the locking hole 9. At the same time, the screws pass through the conventional assembly holes and are fixedly connected to the conventional screw holes, so as to fix the fan support 1 to the rear plate 5. In addition, when some or all of the buckle 6, the snap 8, and the conventional screw holes fail, they can be connected through the spare screw holes and the spare assembly holes as a spare fastening method without replacing the fan support 1.

[0052] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A microwave oven fan bracket structure, comprising a fan bracket, and a fan body, a filter plate, a fuse holder and a rear plate that are detachably assembled with the fan bracket, and is characterized in that: A buckle and a snap are provided on the rear side of the fan bracket, a pressing hole inserted with the buckle and a snap hole clamped with the snap are provided on the rear plate, and the rear plate is connected to the rear side of the fan bracket; A fixed buckle hole and a positioning buckle are provided on the top surface of the fan bracket, a fixed buckle position inserted with the fixed buckle hole is provided on the fuse holder, and a positioning hole clamped with the positioning buckle is provided on the filter plate, and the fuse holder and / or the filter plate are connected to the top surface of the fan bracket; A limiting post is provided in the middle of the fan bracket, a limiting hole inserted with the limiting post is provided on the fan body, and the fan body is connected to the middle of the fan bracket.

2. The structure of a microwave oven fan bracket according to claim 1, characterized in that: An elastic buckle hole is provided on the top surface of the fan bracket, an elastic buckle position is provided on the fuse holder, and the elastic buckle position is clamped with the elastic buckle hole.

3. The structure of a microwave oven fan bracket according to claim 2, characterized in that: The number of the fixed buckle holes is two, and the two fixed buckle holes are arranged at intervals and distributed side by side along the direction of the elastic buckle hole.

4. A microwave oven fan bracket structure according to claim 1, characterized in that: The positioning buckle is an elastic member, including two positioning pins arranged at intervals and symmetrically distributed. A supporting step is provided at the top of the positioning pin, the positioning pin is clamped in the positioning hole, and the supporting step abuts against the bottom of the filter plate.

5. The structure of a microwave oven fan bracket according to claim 4, characterized in that: The number of the positioning buckles is three, and the three positioning buckles are arranged at intervals and distributed in a triangular pattern.

6. The structure of a microwave oven fan bracket according to claim 4, characterized in that: A plurality of supporting columns are provided on the top surface of the fan bracket, and the top of the supporting column abuts against the bottom of the filter plate.

7. The structure of a microwave oven fan bracket according to claim 4, characterized in that: A plurality of screw columns are provided on the top surface of the fan bracket, a threaded hole is opened at the top of the screw column, the filter plate is lapped above the screw column and is fixedly connected by screws.

8. A microwave oven fan bracket structure according to claim 1, characterized in that: A hollow fan cover is provided in the middle of the fan bracket, the fan body is connected to the fan cover by screws, the output end of the fan body passes through the fan cover and extends out, and a fan blade is rotatably connected.

9. The structure of a microwave oven fan bracket according to claim 1, characterized in that: A plurality of screw holes are provided on the rear side of the fan bracket, the screw holes correspond to the upper and lower sides of the rear plate, and the rear plate is connected to the fan bracket by screws.

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