Adjustable support of low-voltage frequency converter

Abstract

The utility model relates to an adjustable support of a low-voltage frequency converter, and relates to the technical field of frequency converter supports, the adjustable support comprises a vertically arranged support frame, a support plate slidably arranged on the support frame and a side plate slidably arranged on the support frame, and the support plate and the side plate enclose a placing cavity for storing the frequency converter. A containing cavity is formed in the supporting frame, the containing cavity is in a rectangular shape, one side of the containing cavity is open, a heat dissipation opening is formed in the side plate, a blocking piece for movably blocking the heat dissipation opening is arranged on the side plate, and an adjusting assembly for conducting synchronous lifting adjustment on the supporting rod and the side plate is further arranged on the supporting frame. The frequency converter support has the advantages that the height of the frequency converter can be conveniently adjusted according to actual conditions, and the adaptability of the support is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a variable frequency converter support, in particular to a low-voltage variable frequency converter adjustable support. BACKGROUND

[0002] At present, when low-voltage variable frequency converter products are used outdoors, most of them are directly laid horizontally on the ground or installed in standard electrical appliance cabinets. Directly laying on the ground can cause the variable frequency converter to be damp, the variable frequency converter panel is inconvenient to operate, and there is a safety hazard of accidentally touching the cable. When the standard electrical appliance cabinet is used for centralized placement, a special custom product is needed, the production cycle is long, and the installation is relatively inconvenient.

[0003] A patent number CN221728136U discloses a variable frequency converter UPS installation support, which comprises a variable frequency converter shell and a UPS support structure clamped below the variable frequency converter shell. The UPS support structure comprises a U-shaped top cover, a U-shaped frame seat is fixedly installed in the middle of the U-shaped top cover, and the area formed by the U-shaped top cover and the U-shaped frame seat is used to place the UPS device. A plurality of jacking mechanisms are equidistantly arranged at the bottom of the U-shaped frame seat. The utility model technical scheme is characterized in that the expandable L-shaped cover body is convenient for placing the UPS device inside the U-shaped frame seat. The top of the UPS device is limitedly installed by the jacking mechanism, and the U-shaped top cover and the variable frequency converter shell are assembled by the clamping structure.

[0004] According to the related technology in the above, when the variable frequency converter is installed, the height of the variable frequency converter needs to be adjusted according to the actual situation on the spot. However, the support is usually customized according to the actual situation on the spot, so the adaptability of the support has a small application range, and when the height of the variable frequency converter needs to be adjusted on the spot, it is inconvenient to adjust the height of the variable frequency converter. Utility model content

[0005] In order to conveniently adjust the height of the variable frequency converter according to the actual situation and improve the adaptability of the support, the application provides a low-voltage variable frequency converter adjustable support.

[0006] The low-voltage variable frequency converter adjustable support provided by the application adopts the following technical scheme:

[0007] A low-voltage variable frequency converter adjustable support, which comprises a vertical support frame, a support plate slidingly arranged on the support frame, and a side plate slidingly arranged on the support frame. The support plate and the side plate enclose a placing cavity for storing the variable frequency converter. The placing cavity is rectangular in shape and has an open side. The side plate is provided with a heat dissipation opening, and the side plate is provided with a blocking piece for movably blocking the heat dissipation opening. The support frame is further provided with an adjusting assembly for synchronously adjusting the support plate and the side plate.

[0008] The adjusting assembly comprises an adjusting rack fixed to the support frame, an adjusting gear rotatably arranged on the side plate, an adjusting member for rotating the adjusting gear, and a locking member for locking the adjusting gear.

[0009] By adopting the above technical scheme, when the low-voltage frequency converter is installed, the technician first drives the adjusting gear to rotate through the adjusting member, at this time, the side plate and the support plate are lowered due to the meshing of the adjusting gear and the adjusting rack, until the support plate is lowered to the bottom side for the installation of the low-voltage frequency converter, after the installation of the low-voltage frequency converter is completed, the technician then drives the adjusting gear to rotate through the adjusting member, and the adjusting gear is lifted and lowered under the meshing action of the adjusting rack, until the low-voltage frequency converter is lifted to the appropriate height, and then the locking member is used to lock the adjusting gear, so as to fix the height of the low-voltage frequency converter.

[0010] At the same time, by arranging the heat dissipation opening and the blocking member, the low-voltage frequency converter can be cooled through the opening of the placement cavity, when the low-voltage frequency converter is overloaded, a large amount of heat is generated and needs to be quickly dissipated, by adjusting the blocking member to open the heat dissipation opening, the quick heat dissipation of the frequency converter can be realized, when the low-voltage frequency converter is used normally, by adjusting the blocking member to close the heat dissipation opening, the external dust entering the placement cavity through the heat dissipation opening is reduced, and the normal use of the low-voltage frequency converter is affected.

[0011] Optionally, the adjusting gear is provided with four adjusting gears, the four adjusting gears correspond to the four edges of the support frame one by one, the adjusting member comprises a power gear rotatably arranged on the bottom side of the support plate, the four adjusting gears are divided into two groups along the side direction of the support plate, the power gear is provided with two groups, the two groups of power gears correspond to the two groups of adjusting gears one by one, and the power gear is meshed with the adjusting gear.

[0012] By adopting the above technical scheme, the four adjusting gears are arranged at the four corners of the placement cavity, when the support plate needs to be adjusted, the four adjusting gears are adjusted synchronously, so that the height adjustment of the support plate and the low-voltage frequency converter is stable, and since the two groups of power gears are meshed with each other, when any one group of power gear is adjusted, the height adjustment of the low-voltage frequency converter can be realized.

[0013] Optionally, the locking member comprises a locking block elastically and slidably arranged on the support plate, and the locking block is movably inserted into the tooth groove of the power gear.

[0014] By adopting the above technical scheme, when the height of the frequency converter needs to be adjusted, the locking block is adjusted to slide towards the direction away from the power gear until the locking block is separated from the power gear, at this time the power gear rotates, thereby realizing the lifting adjustment of the height of the frequency converter, and after the height of the frequency converter is adjusted, the locking block is adjusted to be inserted into the tooth groove of the power gear, at this time the power gear is not easy to rotate, thereby realizing the locking of the power gear.

[0015] Optionally, a through hole is formed in the rotating shaft of the power gear, an operating rod is rotatably connected to the support plate, the operating rod is slidably arranged through the through hole, the through hole is polygonal, and the operating rod is matched with the through hole.

[0016] By adopting the above technical scheme, when the height of the frequency converter needs to be adjusted, the locking block is adjusted to slide towards the direction away from the power gear until the locking block is separated from the power gear, at this time the power gear rotates, thereby realizing the lifting adjustment of the height of the frequency converter, and after the height of the frequency converter is adjusted, the locking block is adjusted to be inserted into the tooth groove of the power gear, at this time the power gear is not easy to rotate, thereby realizing the locking of the power gear.

[0017] Optionally, a through hole is formed in the rotating shaft of the power gear, an operating rod is rotatably connected to the support plate, the operating rod is slidably arranged through the through hole, the through hole is polygonal, and the operating rod is matched with the through hole.

[0018] By adopting the above technical scheme, when the height of the frequency converter needs to be adjusted, the locking block is adjusted to slide towards the direction away from the power gear until the locking block is separated from the power gear, at this time the power gear rotates, thereby realizing the lifting adjustment of the height of the frequency converter, and after the height of the frequency converter is adjusted, the locking block is adjusted to be inserted into the tooth groove of the power gear, at this time the power gear is not easy to rotate, thereby realizing the locking of the power gear.

[0019] Optionally, the plurality of groups of heat dissipation openings are evenly arranged along the height direction of the support frame, the blocking member comprises a blocking plate rotatably arranged on the side plate, the blocking plate is provided in a plurality of groups, and the plurality of groups of blocking plates correspond to the plurality of groups of heat dissipation openings one by one.

[0020] By adopting the above technical scheme, when the low-voltage frequency converter is in high-load operation, the plurality of groups of heat dissipation openings are opened, the plurality of blocking plates are adjusted in rotation by the rotating member, the plurality of heat dissipation openings are opened by the blocking plates to realize stable heat dissipation, when the low-voltage frequency converter is in normal use, the plurality of blocking plates are adjusted in rotation by the rotating member, the plurality of heat dissipation openings are blocked by the blocking plates, and normal heat dissipation and efficient dust prevention of the low-voltage frequency converter are realized.

[0021] Optionally, the rotating member comprises a rotating rack slidingly arranged on the side plate, the side plate is rotatably connected with a rotating gear, the rotating gear is coaxially arranged with the operating rod, the rotating rack is engaged with the rotating gear, the operating rod is rotatably connected with an operating cylinder, the operating cylinder is coaxially arranged with the rotating gear, the shaft of the blocking plate is provided with a blocking gear, the blocking gear is engaged with the rotating rack, and the operating rod is further provided with a limiting member for rotationally limiting the operating cylinder.

[0022] By adopting the above technical scheme, when the low-voltage frequency converter is in high-load operation, the plurality of groups of heat dissipation openings are opened, the plurality of blocking plates are adjusted in rotation by the rotating member, the plurality of heat dissipation openings are opened by the blocking plates to realize stable heat dissipation, when the low-voltage frequency converter is in normal use, the plurality of blocking plates are adjusted in rotation by the rotating member, the plurality of heat dissipation openings are blocked by the blocking plates, and normal heat dissipation and efficient dust prevention of the low-voltage frequency converter are realized.

[0023] Optionally, the shaft of the blocking gear is provided with a limiting hole, the limiting hole is arranged in a polygonal shape, the operating cylinder is connected with the limiting hole, the limiting member comprises a limiting block arranged on the shaft of the operating cylinder, the limiting block is provided in a plurality of groups, the plurality of groups of limiting blocks are arranged at intervals along the shaft of the operating rod, the plurality of groups of limiting blocks enclose a clamping cavity for clamping the operating rod, the operating rod is provided with a limiting ring, the outer circumferential side of the limiting block is inclined, and the limiting ring is threadedly matched with the outer circumferential side of the plurality of groups of limiting blocks.

[0024] By adopting the above technical scheme, when the blocking plate needs to be angle-fixed, the technician rotates the limiting ring, the plurality of limiting blocks are elastically deformed, the limiting blocks abut against the operating rod, the operating cylinder is not easy to rotate relative to the operating rod, and the locking block locks the power gear, the operating rod is not easy to rotate, the operating cylinder is not easy to rotate, the operating cylinder is coaxially fixed with the rotating gear, the operating rod is not easy to slide relative to the operating cylinder after the limiting blocks abut against the operating rod, the locking of the operating rod is realized, and the stable locking of the power gear is realized.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The support plate, the side plate and the adjusting assembly are arranged in sliding mode, when the height position of the low-voltage frequency converter needs to be adjusted, the technician adjusts the height of the support plate and the side plate through the adjusting assembly to adjust the height position of the low-voltage frequency converter, thereby facilitating the installation or normal use of the low-voltage frequency converter.

[0027] 2. The adjusting rack fixed on the support frame, the adjusting gear rotatably arranged on the side plate, the power gear rotatably arranged at the bottom of the support plate and the operating rod, when the technician needs to adjust the height of the low-voltage frequency converter, the technician rotates the operating rod to drive the power gear to rotate, thereby driving the adjusting gear to mesh with the adjusting rack to lift or lower, thereby driving the support plate to lift or lower, and the adjustment of the low-voltage frequency converter is realized.

[0028] 3. The locking block is arranged in sliding mode, when the power gear needs to be locked, the locking block is inserted into the tooth groove of the power gear by adjusting the locking block, the power gear is not easy to rotate, the locking of the power gear is realized, when the height of the low-voltage frequency converter needs to be adjusted, the locking block is separated from the power gear by adjusting the locking block, the unlocking of the power gear is realized, and the adjustment of the height of the low-voltage frequency converter is realized. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a whole structure schematic diagram of the embodiment of the present application;

[0030] Figure 2 is a bottom connecting structure schematic diagram of the embodiment of the present application;

[0031] Figure 3 is a connecting structure schematic diagram of a rotating piece;

[0032] Figure 4 is Figure 3 is a connecting structure schematic diagram of part A in

[0033] Figure 5 isFigure 3 Connection structure schematic diagram of middle B part.

[0034] Fig. 1, support frame; 11, support plate; 12, side plate; 13, placement cavity; 14, heat dissipation opening; 15, plugging piece; 16, low-voltage frequency converter; 2, adjusting assembly; 21, adjusting gear; 22, adjusting rack; 23, adjusting piece; 231, power gear; 233, through hole; 24, locking piece; 241, locking block; 242, abutting block; 243, abutting groove; 244, abutting spring; 25, elastic piece; 251, operation spring; 3, rotating piece; 31, rotating rack; 32, rotating gear; 33, operation rod; 34, operation cylinder; 35, plugging gear; 36, limiting piece; 361, limiting hole; 362, clamping cavity; 363, limiting ring. DETAILED DESCRIPTION

[0035] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.

[0036] The embodiment of the application discloses a low-voltage frequency converter 16 adjustable support. Referring to Figure 1 and Figure 2 A low-voltage frequency converter 16 adjustable support comprises a vertically fixed support frame 1, the support frame 1 is in a frame shape, a support plate 11 is slidably arranged on the support frame 1, the support plate 11 is horizontally arranged, a support rod is arranged on the support frame 1, the support rod is slidably arranged on the support frame 1, the sliding direction of the support rod is consistent with the height direction of the support frame 1, the support plate 11 is fixed with the support rod, and a side plate 12 is further fixedly connected to the support rod, the side plate 12 is provided in three groups, the three groups of side plates 12 and the support plate 11 jointly enclose a placement cavity 13 for storing the low-voltage frequency converter 16, the placement cavity 13 is in a rectangular shape with one end being open, and the support frame 1 is further provided with an adjusting assembly 2 for adjusting the lifting of the support plate 11 and the side plate 12.

[0037] Referring to Figure 1 and Figure 2 The adjusting assembly 2 comprises an adjusting rack 22 fixed to the support frame 1, an adjusting gear 21 is rotatably connected to the side plate 12, the adjusting gear 21 is engaged with the adjusting rack 22, the rotation axis of the adjusting gear 21 is consistent with the length direction of the support plate 11, the adjusting gear 21 is provided in four, the four adjusting gears 21 are in one-to-one correspondence with the four edges of the support frame 1, and the four adjusting gears 21 are divided into two groups along the length direction of the support plate 11, and the rotation axes of the two adjusting gears 21 in each group are the same.

[0038] Meanwhile, in order to facilitate the rotation adjustment of the adjusting gears 21, the support frame 1 is further provided with an adjusting part 23, the adjusting part 23 comprises power gears 231 rotatably arranged on the bottom side of the support plate 11, the rotation axis of the power gears 231 is parallel to the rotation axis of the adjusting gears 21, and the power gears 231 are provided in two groups, the two groups of power gears 231 are meshed with each other, and the two groups of power gears 231 correspond to the two groups of adjusting gears 21 one by one, the transmission gears are coaxially fixed on the rotation shafts of the two adjusting gears 21 in the same group, the power gears 231 are meshed with the transmission gears, so that when it is necessary to adjust the height of the low-voltage frequency converter 16, the technician drives the power gears 231 to rotate, thereby driving the adjusting gears 21 to rotate, driving the support plate 11 and the support frame 1 to ascend, and thereby realizing the height adjustment of the low-voltage frequency converter 16.

[0039] With reference to Figure 2 In order to facilitate the rotation drive of the power gears 231, a through hole 233 is formed in the rotation shaft of one of the power gears 231, the through hole 233 is polygonal, the bottom side of the support plate 11 is slidably provided with an operating rod 33, the operating rod 33 slidably penetrates the through hole 233 and is matched with the through hole 233, and one end of the operating rod 33 protrudes from the side wall of the side plate 12, so that when the technician needs to adjust the height of the low-voltage frequency converter 16, only the protruding end of the operating rod 33 needs to be rotated, which can drive the power gears 231 and the adjusting gears 21 to rotate, thereby realizing the height adjustment of the support plate 11.

[0040] Meanwhile, when the height of the low-voltage frequency converter 16 needs to be adjusted and locked, the support frame 1 is further provided with a locking part 24, the locking part 24 comprises a locking block 241 elastically and slidably arranged on the bottom wall of the support plate 11, the sliding direction of the locking block 241 is consistent with the height direction of the support frame 1, the locking block 241 is movably inserted into the tooth groove of the power gear 231, and a pressing spring 244 is fixedly connected between the bottom side of the support plate 11 and the locking block 241, the pressing spring 244 is used to drive the locking block 241 to always insert into the tooth groove of the power gear 231.

[0041] In order to facilitate the technician to rotate the operating rod 33 to adjust the locking block 241, thereby unlocking the power gear 231, both ends of the locking block 241 are further provided with abutting blocks 242, one end of the abutting block 242 away from the bottom wall of the support plate 11 is inclined, and the abutting block 242 is in movable abutment with the outer peripheral wall of the operating rod 33, the operating rod 33 is provided with an abutting groove 243, the abutting block 242 is movably inserted into the abutting groove 243, and the inclined side of the abutting block 242 is in movable abutment with the inner side wall of the abutting groove 243, the operating rod 33 is elastically arranged on the bottom side of the support plate 11, and the support plate 11 is further provided with an elastic member 25, which is an operating spring 251 fixed to the end side of the operating rod 33 in the application, and the operating spring 251 is always in a stretched state.

[0042] When the technician needs to adjust the height of the low-voltage frequency converter 16, the technician slides the operating rod 33 to make the operating rod 33 slide relative to the power gear 231, at this time the abutting groove 243 of the operating rod 33 abuts against the inclined side of the abutting block 242, so that the abutting block 242 slides towards the direction away from the power gear 231, until the locking block 241 is separated from the power gear 231, at this time the technician rotates the operating rod 33 to drive the power gear 231 to rotate, thereby realizing the rotation of the adjusting gear 21 and the height adjustment of the low-voltage frequency converter 16; after the height adjustment of the low-voltage frequency converter 16 is completed, at this time the technician releases the operating rod 33, the operating rod 33 rebounds under the action of the elastic restoring force of the elastic member 25, thereby making the operating rod 33 slide to the position corresponding to the abutting block 242 and the abutting groove 243, at this time the abutting block 242 rebounds under the action of the elastic restoring force, until the locking block 241 is inserted into the tooth groove, at this time the abutting block 242 is inserted into the abutting groove 243, thereby realizing the locking of the power gear 231, at this time the power gear 231 is not easy to rotate, thereby realizing the fixation of the height position of the low-voltage frequency converter 16.

[0043] When the low-voltage frequency converter 16 is working, overloading work and normal work may occur, when overloading work occurs, in order to prevent the low-voltage frequency converter 16 from being damaged, rapid heat dissipation is needed, therefore, in order to solve this problem, the side plate 12 is provided with heat dissipation openings 14, the heat dissipation openings 14 are provided with multiple groups, the multiple groups of heat dissipation openings 14 are arranged along the length direction of the side plate 12, in the application, the heat dissipation openings 14 are provided with two groups, the two groups of heat dissipation openings 14 are arranged side by side, and the side plate 12 is further provided with a plugging member 15 for movably plugging the heat dissipation openings 14.

[0044] Referring to Figure 2 and Figure 3, the blocking piece 15 comprises a blocking plate rotatably arranged on the side plate 12, the rotation axis of the blocking plate is consistent with the length direction of the side plate 12, and the blocking plate movably blocks the heat dissipation opening 14, the support frame 1 is further provided with a rotating piece 3 for rotating and adjusting the plurality of blocking plates, the rotating piece 3 comprises a rotating rack 31 slidably arranged on the side plate 12, the sliding direction of the rotating rack 31 is consistent with the height direction of the support frame 1, the rotation shaft of each blocking plate is coaxially provided with a blocking gear 35, the rotating rack 31 is engaged with the blocking gear 35, and the rotating gear 32 is coaxially arranged on the operating rod 33 and engaged with the rotating rack 31, at this time, it needs to be explained that the rotating rack 31 is a rack with tooth grooves arranged on the adjacent two side edges, the rotating gear 32 is perpendicular to the rotation shaft of the blocking gear 35, and the rotating gear 32 and the blocking gear 35 are engaged with the adjacent two side edges of the rotating rack 31 respectively. The operating cylinder 34 is coaxially and rotatably arranged on the operating rod 33, the axis of the rotating gear 32 is provided with a limiting hole 361, the limiting hole 361 is rectangular in the application, the end side of the operating cylinder 34 is embedded and fixed in the limiting hole 361, and the operating rod 33 is provided with a limiting piece 36 for limiting the rotation of the operating cylinder 34. When the technician needs to adjust the opening and closing of the heat dissipation opening 14, the technician rotates the operating cylinder 34 at this time, the operating cylinder 34 drives the rotating gear 32 to rotate, thereby driving the rotating rack 31 to rise and fall, the rotating rack 31 drives the engaged blocking gear 35 to rotate, thereby realizing the rotating adjustment of the blocking plate and the opening and closing of the heat dissipation opening 14, and the rotation of the operating cylinder 34 is limited by the limiting piece 36, so that the operating cylinder 34 is not easy to rotate, thereby realizing the rotation angle fixation of the blocking plate, so that the angle of the blocking plate is not easy to change.

[0045] Referring to Figure 3 , Figure 4 and Figure 5The limiting member 36 comprises limiting blocks fixed on the operating cylinder 34, the limiting blocks are arranged at intervals along the circumferential direction of the limiting cylinder, and gaps are left between adjacent limiting blocks, the limiting blocks enclose a clamping cavity 362 for clamping the operating rod 33, the outer circumferential side of the limiting blocks is inclined, the operating rod 33 movably sleeves a limiting ring 363, and the limiting ring 363 is threadedly sleeved on the limiting blocks. When it is necessary to fix the angle of the sealing plate, the technician rotates the limiting ring 363 at this time, so that the limiting blocks are elastically deformed, thereby the limiting blocks abut against the operating rod 33, the operating cylinder 34 is not easy to rotate relative to the operating rod 33, and at the same time, the locking block 241 locks the power gear 231, so that the operating rod 33 is not easy to rotate at this time, thereby the operating cylinder 34 is not easy to rotate, and since the operating cylinder 34 is coaxially fixed with the rotating gear 32, the operating rod 33 is not easy to slide relative to the operating cylinder 34 after the limiting blocks abut against the operating rod 33, so that the locking of the operating rod 33 is realized, and the stable locking of the power gear 231 is realized.

[0046] The implementation principle of the adjustable support of the low-voltage frequency converter 16 in the embodiment of the application is as follows: when it is necessary to install the low-voltage frequency converter 16, the technician drives the adjusting gear 21 to rotate through the adjusting member 23 when installing the low-voltage frequency converter 16, at this time, the side plate 12 and the supporting plate 11 are lowered under the meshing action of the adjusting gear 21 and the adjusting gear rack 22, until the supporting plate 11 is lowered to the bottom side to facilitate the installation of the low-voltage frequency converter 16, after the low-voltage frequency converter 16 is installed, the technician drives the adjusting gear 21 to rotate through the adjusting member 23 again, and the adjusting gear 21 is lifted and lowered under the meshing action of the adjusting gear rack 22, until the low-voltage frequency converter 16 is lifted to an appropriate height, and then the adjusting gear 21 is locked through the locking member 24 arranged, so that the height of the low-voltage frequency converter 16 is fixed.

[0047] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, therefore: equivalent changes made on the basis of the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A low voltage variable frequency drive (16) adjustable mount, characterized by: The utility model provides a variable frequency device storage device, including vertical support frame (1), the support plate (11) of sliding setting in support frame (1) and the side plate (12) of sliding setting in support frame (1), the support plate (11) and the side plate (12) are enclosed and place the cavity for variable frequency device storage, the cavity (13) is rectangular and one side is open, the side plate (12) is equipped with the heat dissipation mouth (14) that sets up, the side plate (12) is equipped with the blocking piece (15) of the movable blocking of heat dissipation mouth (14), the support frame (1) is equipped with still the adjusting assembly (2) of the synchronous lifting adjustment of support plate (11) and side plate (12) to the support frame (1), The adjusting assembly (2) includes an adjusting rack (22) fixed to the support frame (1), an adjusting gear (21) rotatably arranged on the side plate (12), an adjusting member (23) for adjusting the rotation of the adjusting gear (21), and a locking member (24) for locking the adjusting gear (21).

2. A low voltage variable frequency drive (16) adjustable mount according to claim 1, wherein: The adjusting gear (21) is provided with four adjusting gears (21), and the four adjusting gears (21) correspond to the four edges of the support frame (1) one by one. The adjusting member (23) includes a power gear (231) rotatably arranged on the bottom side of the support plate (11). The four adjusting gears (21) are divided into two groups along the side direction of the support plate (11). The power gear (231) is provided with two groups of power gears (231), and the two groups of power gears (231) correspond to the two groups of adjusting gears (21) one by one. The power gear (231) is engaged with the adjusting gear (21).

3. A low voltage variable frequency drive (16) adjustable mount according to claim 2, wherein: The locking member (24) includes a locking block (241) elastically and slidably arranged on the support plate (11). The locking block (241) is movably inserted into the tooth groove of the power gear (231).

4. A low voltage variable frequency drive (16) adjustable mount according to claim 3, wherein: A through hole (233) is formed in the rotating shaft of the power gear (231). An operating rod (33) is rotatably connected to the support plate (11). The through hole (233) is polygonal, and the operating rod (33) is matched with the through hole (233).

5. A low voltage variable frequency drive (16) adjustable mount according to claim 4, wherein: The locking block (241) is further provided with an abutting block (242). An abutting groove (243) is formed in the operating rod (33). The end of the abutting block (242) away from the bottom wall of the support plate (11) is inclined. The inclined side of the abutting block (242) is matched with the inner side wall of the abutting groove (243). The operating rod (33) is slidably arranged in the through hole (233). The abutting groove (243) is movably matched with the abutting block (242). The support plate (11) is further provided with an elastic member (25) for keeping the abutting groove (243) and the abutting block (242) out of position.

6. A low voltage variable frequency drive (16) adjustable mount according to claim 5, wherein: The heat dissipation opening (14) is provided with multiple groups, multiple groups of the heat dissipation opening (14) are uniformly arranged along the height direction of the support frame (1), the blocking piece (15) comprises a blocking plate rotatably arranged on the side plate (12), the blocking plate is provided with multiple groups, multiple groups of the blocking plate correspond to multiple groups of the heat dissipation opening (14) one by one, and the support frame (1) is further provided with a rotating piece (3) for rotating and adjusting multiple groups of the blocking plate.

7. A low voltage variable frequency drive (16) adjustable mount according to claim 6, wherein: The rotating piece (3) comprises a rotating rack (31) slidably arranged on the side plate (12), the side plate (12) is rotatably connected with a rotating gear (32), the rotating gear (32) is coaxially arranged with the operating rod (33), and the rotating rack (31) is engaged with the rotating gear (32), the operating rod (33) is rotatably connected with an operating barrel (34), the operating barrel (34) is coaxially arranged with the rotating gear (32), a blocking gear (35) is arranged at the rotating shaft of the blocking plate, the blocking gear (35) is engaged with the rotating rack (31), and the operating rod (33) is further provided with a limiting piece (36) for rotating and limiting the operating barrel (34).

8. A low voltage variable frequency drive (16) adjustable mount according to claim 7, wherein: The shaft center of the blocking gear (35) is provided with a limiting hole (361), the limiting hole (361) is polygonally arranged, the operating barrel (34) is clamped and arranged with the limiting hole (361), the limiting piece (36) comprises a limiting block arranged at the rotating shaft of the operating barrel (34), multiple limiting blocks are arranged along the rotating shaft of the operating rod (33), multiple limiting blocks are combined to form a clamping cavity (362) for clamping the operating rod (33), the operating rod (33) is provided with a limiting ring (363), the outer circumferential side of the limiting block is inclined, and the limiting ring (363) is threadedly matched with the outer circumferential side of multiple limiting blocks.

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