Mounting base of centrifugal fan

Abstract

The utility model discloses a centrifugal fan mounting base which comprises a mounting seat, the top of the mounting seat is connected with a base through a connecting assembly, and the top of the base is connected with a centrifugal fan body through a bearing assembly. According to the mounting base of the centrifugal fan, the connecting assembly is arranged, the mounting base is fixed to the to-be-mounted position of the centrifugal fan body through welding, the rotating shaft in the base is connected with the clamping block and penetrates through the mounting groove to extend into the rotating clamping groove, the adjusting block is further rotated to drive the rotating rod to rotate, and the rotating rod is driven to rotate. And then the worm drives the worm wheel to rotate through the worm, rotation of the two rotating shafts is achieved, then the two clamping blocks are driven to rotate by 90 degrees in the rotating clamping grooves, fixed installation of the base is completed, the operation is simple and rapid, and the technical problems that most of existing centrifugal fans are fixed through multiple sets of bolts, installation is inconvenient, time and labor are consumed, and later-period disassembly and maintenance are inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal fans, in particular to an installation base of a centrifugal fan. Background Technique

[0002] A centrifugal fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household electrical appliances; drying and selection of grains; air source of wind tunnels and inflation and propulsion of hovercrafts, etc. Most of the existing centrifugal fans are fixed by multiple groups of bolts, which is inconvenient for installation, time-consuming and laborious, and not convenient for later disassembly and maintenance. In view of the above problems, we have introduced an installation base of a centrifugal fan. Content of the Utility Model

[0003] The utility model discloses an installation base of a centrifugal fan, aiming to solve the technical problems that most of the existing centrifugal fans are fixed by multiple groups of bolts, which is inconvenient for installation, time-consuming and laborious, and not convenient for later disassembly and maintenance.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An installation base of a centrifugal fan includes an installation seat. The top of the installation seat is connected with a base through a connection component. The top of the base is connected with a centrifugal fan main body through a bearing component. The connection component includes an installation groove symmetrically opened inside the top of the installation seat. Rotating clamping grooves are opened inside the installation seat and close to the installation groove. Rotating grooves are symmetrically opened inside the base. Rotating shafts are rotatably connected inside both of the two rotating grooves. Blocks are fixedly installed at the bottom ends of the two rotating shafts. Worm gears are fixedly installed on the outer sides of the two rotating shafts and inside the rotating grooves. Worm rods are connected to the worm gears through rotating rods inside the rotating grooves. The worm rods are meshed with the worm gears. One end of the rotating rod extends to the outside of the base and is fixedly installed with an adjusting block. A fastening component is arranged outside the base and close to the adjusting block.

[0006] By setting the connection component, the installation seat is fixed at the position to be installed of the centrifugal fan main body by welding. The rotating shafts inside the base are connected with blocks and extend through the installation groove to the inside of the rotating clamping groove. Further, by rotating the adjusting block to drive the rotating rod to rotate, and then driving the worm gear to rotate through the worm rod, the rotation of the two rotating shafts is realized, and then the two blocks are driven to rotate 90 degrees inside the rotating clamping groove, completing the fixed installation of the base, which is simple and fast, and solves the technical problems that most of the existing centrifugal fans are fixed by multiple groups of bolts, which is inconvenient for installation, time-consuming and laborious, and not convenient for later disassembly and maintenance.

[0007] In a preferred embodiment, the fastening assembly includes a fixed block fixedly installed on one side of the base and above the rotating rod. A threaded rod is threadedly connected inside the fixed block. One side of the threaded rod close to the rotating rod is rotatably connected to an upper fastening frame, and a lower fastening frame is fixedly installed on one side of the base and at the bottom of the rotating rod.

[0008] After the base and the mounting seat are installed by rotating the rotating rod, rotate the threaded rod to push the upper fastening frame towards the rotating rod, and cooperate with the lower fastening frame to clamp and fix the rotating rod, which is beneficial to prevent the accidental rotation of the rotating rod.

[0009] In a preferred embodiment, a limiting groove is formed on one side of the base close to the upper fastening frame. A limiting block is slidably connected inside the limiting groove, and one side of the limiting block close to the upper fastening frame is fixedly connected to the upper fastening frame.

[0010] By setting the limiting block on one side of the upper fastening frame to extend into the limiting groove and be slidably connected to the limiting groove, it is beneficial to prevent the threaded rod from rotating and driving the upper fastening frame to rotate accordingly, and the use is more stable.

[0011] In a preferred embodiment, the bearing assembly includes a bearing plate. The centrifugal fan main body is fixed on the top of the bearing plate. An electric telescopic rod is fixedly installed in the middle of the top of the base, and limiting telescopic rods are fixedly installed around the top of the base. One side of the electric telescopic rod and the limiting telescopic rod close to the bearing plate are fixedly connected to the bearing plate.

[0012] By setting the electric telescopic rod and the limiting telescopic rod, it is beneficial to adjust the ground clearance of the centrifugal fan main body on the top of the bearing plate according to the use height.

[0013] In a preferred embodiment, a positioning block is fixedly installed in the middle of the bottom of the base. A positioning groove is formed on one side of the mounting seat close to the positioning block, and the positioning block extends into the positioning groove.

[0014] By setting the positioning block to extend into the positioning groove, it is beneficial to quickly fix the base, and the installation is more convenient.

[0015] In a preferred embodiment, the sides of the upper fastening frame and the lower fastening frame close to the rotating rod are both set as arc surfaces that fit the outer wall of the rotating rod.

[0016] By setting the arc surfaces on the sides of the upper fastening frame and the lower fastening frame close to the rotating rod and fitting them with the rotating rod, it is beneficial to fasten the rotating rod to prevent the accidental rotation of the rotating rod.

[0017] The installation base of a centrifugal fan provided by the present utility model has the following advantages:

[0018] First, by setting up the connection component, the mounting base is fixed at the position to be installed on the centrifugal fan main body by welding. A rotating shaft inside the base is connected with a clamping block, which extends through the installation groove into the rotating clamping groove. Further, by driving the rotating rod to rotate through the rotating adjustment block, and then driving the worm gear to rotate through the worm, the rotation of the two rotating shafts is realized. Then, the two clamping blocks are driven to rotate 90 degrees inside the rotating clamping groove, completing the fixed installation of the base. This is simple and fast, solving the technical problems that most existing centrifugal fans are fixed by multiple groups of bolts, which is inconvenient for installation, time-consuming and laborious, and not conducive to later disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. 6 is a three-dimensional schematic diagram of an installation base of a centrifugal fan proposed by the present utility model.

[0020] Figure 2 FIG. 7 is a three-dimensional exploded schematic diagram of an installation base of a centrifugal fan proposed by the present utility model.

[0021] Figure 3 FIG. 8 is a three-dimensional sectional schematic diagram of a connection component and a fastening component in an installation base of a centrifugal fan proposed by the present utility model.

[0022] Figure 4 FIG. Figure 3 9 is an enlarged view of part A in FIG. 8.

[0023] In the drawings: 1, mounting base; 2, bearing component; 21, bearing plate; 22, electric telescopic rod; 23, limit telescopic rod; 3, centrifugal fan main body; 4, base; 5, connection component; 51, installation groove; 52, rotating clamping groove; 53, rotating groove; 54, rotating shaft; 55, clamping block; 56, worm gear; 57, rotating rod; 58, worm; 59, positioning block; 510, positioning groove; 511, adjustment block; 6, fastening component; 61, fixing block; 62, threaded rod; 63, upper fastening frame; 64, lower fastening frame; 65, limit block; 66, limit groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the present application claimed, but only represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0025] The installation base of a centrifugal fan disclosed by the utility model is mainly applied to the installation and fixation scenario of the base of a centrifugal fan.

[0026] Referring to Figure 1 、 Figure 2 and Figure 3 ,an installation base of a centrifugal fan, comprising: a mounting seat 1, a base 4 is connected to the top of the mounting seat 1 through a connecting component 5, a centrifugal fan main body 3 is connected to the top of the base 4 through a bearing component 2, the connecting component 5 includes a mounting groove 51, the mounting grooves 51 are symmetrically opened inside the top of the mounting seat 1, and rotation card slots 52 are opened inside the mounting seat 1 and close to the mounting grooves 51. Rotation grooves 53 are symmetrically opened inside the base 4, rotation shafts 54 are rotatably connected inside both rotation grooves 53, clamping blocks 55 are fixedly installed at the bottom ends of the rotation shafts 54, worm wheels 56 are fixedly installed on the outer sides of both rotation shafts 54 and inside the rotation grooves 53, and worm shafts 58 are connected to the rotation grooves 53 and close to the worm wheels 56 through rotation rods 57. The worm shafts 58 are meshed with the worm wheels 56, one end of the rotation rod 57 extends to the outside of the base 4 and is fixedly installed with an adjusting block 511, and a fastening component 6 is arranged outside the base 4 and close to the adjusting block 511.

[0027] Among them, a positioning block 59 is fixedly installed in the middle of the bottom of the base 4, a positioning groove 510 is opened on one side of the mounting seat 1 close to the positioning block 59, and the positioning block 59 extends into the positioning groove 510; by setting the positioning block 59 to extend into the positioning groove 510, it is beneficial to quickly fix the base 4, and the installation is more convenient.

[0028] In this embodiment: by setting the connecting component 5, the mounting seat 1 is fixedly welded at the position to be installed of the centrifugal fan main body 3, the clamping blocks 55 connected to the rotation shafts 54 inside the base 4 pass through the mounting grooves 51 and extend into the rotation card slots 52. Further, by rotating the adjusting block 511 to drive the rotation rod 57 to rotate, and then driving the worm wheel 56 to rotate through the worm shaft 58, the rotation of the two rotation shafts 54 is realized, and then the two clamping blocks 55 are driven to rotate 90 degrees inside the rotation card slots 52, completing the fixed installation of the base 4, which is simple and fast, and solves the technical problems that most of the existing centrifugal fans are fixed by multiple groups of bolts, the installation is inconvenient, time-consuming and laborious, and it is not convenient for later disassembly and maintenance.

[0029] In the above technical solution, considering the problem of fixing the rotation rod 57, to solve such problems, the specific operation is as follows:

[0030] Referring to Figure 3 and Figure 4, in a preferred embodiment, the fastening assembly 6 includes a fixing block 61, which is fixedly installed on one side of the base 4 and above the rotating rod 57. A threaded rod 62 is threadedly connected inside the fixing block 61. One side of the threaded rod 62 close to the rotating rod 57 is rotatably connected to an upper fastening frame 63. A lower fastening frame 64 is fixedly installed on one side of the base 4 and at the bottom of the rotating rod 57;

[0031] Among them, a limiting groove 66 is formed on one side of the base 4 close to the upper fastening frame 63. A limiting block 65 is slidably connected inside the limiting groove 66. One side of the limiting block 65 close to the upper fastening frame 63 is fixedly connected to the upper fastening frame 63; By setting the limiting block 65 on one side of the upper fastening frame 63 to extend into the limiting groove 66 and being slidably connected to the limiting groove 66, it is beneficial to prevent the threaded rod 62 from rotating and driving the upper fastening frame 63 to rotate accordingly, making the use more stable.

[0032] Among them, the sides of the upper fastening frame 63 and the lower fastening frame 64 close to the rotating rod 57 are both set as arc surfaces that fit the outer wall of the rotating rod 57; By setting the arc surfaces on the sides of the upper fastening frame 63 and the lower fastening frame 64 close to the rotating rod 57 and fitting them to the rotating rod 57, it is beneficial to fasten the rotating rod 57 to prevent the rotating rod 57 from being accidentally rotated.

[0033] In this embodiment: After the base 4 and the mounting seat 1 are installed by rotating the rotating rod 57, rotate the threaded rod 62 to push the upper fastening frame 63 to move towards the rotating rod 57, and cooperate with the lower fastening frame 64 to clamp and fix the rotating rod 57, which is beneficial to prevent the rotating rod 57 from being accidentally rotated.

[0034] In the above technical solution, considering the problem of adjusting the ground clearance of the centrifugal fan main body 3, to solve such problems, the specific operation is as follows

[0035] Refer to Figure 1 and Figure 2 , in a preferred embodiment, the bearing assembly 2 includes a bearing plate 21, the centrifugal fan main body 3 is fixed on the top of the bearing plate 21, an electric telescopic rod 22 is fixedly installed in the middle of the top of the base 4, and limit telescopic rods 23 are fixedly installed around the top of the base 4. One sides of the electric telescopic rod 22 and the limit telescopic rods 23 close to the bearing plate 21 are fixedly connected to the bearing plate 21.

[0036] In this embodiment: By setting the electric telescopic rod 22 and the limit telescopic rods 23, it is beneficial to adjust the ground clearance of the centrifugal fan main body 3 on the top of the bearing plate 21 according to the use height.

[0037] Working principle: When in use, by setting the connecting component 5, the mounting base 1 is fixed at the position to be installed on the centrifugal fan main body 3 by welding. The rotating shaft 54 inside the base 4 is connected with a clamping block 55, which extends through the mounting groove 51 into the rotating clamping groove 52. Further, by driving the rotating rod 57 to rotate through the rotating adjusting block 511, and then driving the worm wheel 56 to rotate through the worm 58, the rotation of the two rotating shafts 54 is realized. Then, the two clamping blocks 55 are driven to rotate 90 degrees inside the rotating clamping groove 52, completing the fixed installation of the base 4. It is simple and fast, solving the technical problems that most existing centrifugal fans are fixed by multiple groups of bolts, which is inconvenient for installation, time-consuming and laborious, and not convenient for later disassembly and maintenance.

[0038] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be the substitution of part of the structure, device, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and its inventive concept should be covered within the protection scope of the present invention.

Claims

1. A centrifugal fan mounting base, comprising a mounting base (1), characterized in that: The top of the mounting seat (1) is connected to a base (4) via a connecting assembly (5), and the top of the base (4) is connected to a centrifugal fan body (3) via a bearing assembly (2). The connecting assembly (5) comprises a mounting groove (51), and the mounting groove (51) is symmetrically arranged inside the top of the mounting seat (1). Rotation slots (52) are arranged inside the mounting seat (1) and close to the mounting grooves (51). Rotation slots (53) are symmetrically arranged inside the base (4), and a rotation shaft (54) is rotatably connected inside the two rotation slots (53). A clamping block (55) is fixedly mounted at the bottom end of each rotating shaft (54); a worm wheel (56) is fixedly mounted on the outside of each rotating shaft (54) and located inside the rotating groove (53); a worm (58) is connected to the inside of the rotating groove (53) and close to the worm wheel (56) through a rotating rod (57); the worm (58) is meshingly connected to the worm wheel (56); one end of the rotating rod (57) extends to the outside of the base (4) and is fixedly mounted with an adjusting block (511); a fastening assembly (6) is provided on the outside of the base (4) and close to the adjusting block (511).

2. The installation base of a centrifugal fan according to claim 1, characterized in that: The fastening assembly (6) comprises a fixing block (61), the fixing block (61) being fixedly mounted on one side of the base (4) and located above the rotating rod (57), the fixing block (61) being internally threadedly connected to a threaded rod (62), the threaded rod (62) being rotatably connected to an upper fastening frame (63) on one side close to the rotating rod (57), and a lower fastening frame (64) being fixedly mounted on one side of the base (4) and located at the bottom of the rotating rod (57).

3. The installation base of a centrifugal fan according to claim 2, characterized in that: A limiting groove (66) is provided on a side of the base (4) close to the upper fastening frame (63), a limiting block (65) is slidably connected inside the limiting groove (66), and a side of the limiting block (65) close to the upper fastening frame (63) is fixedly connected to the upper fastening frame (63).

4. The installation base of a centrifugal fan according to claim 1, characterized in that: The bearing assembly (2) comprises a bearing plate (21), the centrifugal fan body (3) is fixed on the top of the bearing plate (21), an electric telescopic rod (22) is fixedly mounted in the middle of the top of the base (4), and limiting telescopic rods (23) are fixedly mounted around the top of the base (4), and the electric telescopic rod (22) and the limiting telescopic rod (23) are fixedly connected to the bearing plate (21) on one side close to the bearing plate (21).

5. The installation base of a centrifugal fan according to claim 1, characterized in that: A positioning block (59) is fixedly installed in the middle of the bottom of the base (4), and a positioning groove (510) is provided on one side of the mounting seat (1) close to the positioning block (59), and the positioning block (59) extends into the interior of the positioning groove (510).

6. The installation base of a centrifugal fan according to claim 3, characterized in that: The sides of the upper fastening frame (63) and the lower fastening frame (64) close to the rotating rod (57) are both arranged as arc surfaces that fit the outer wall of the rotating rod (57).

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