Adjusting supporting seat for axial flow fan

Abstract

The utility model discloses an adjusting supporting seat for an axial flow fan. A pair of adjusting driving plates are oppositely arranged front and back and synchronously move left and right; an adjusting center rod is formed between the upper ends of the pair of adjusting driving plates; long-hole-shaped inclined guide holes which are inclined upwards from left to right and penetrate front and back are formed in the horizontal parts of the pair of adjusting connecting plates. The adjusting center rod penetrates through the pair of inclined guide holes front and back; the pair of side connecting columns are bilaterally symmetrically arranged relative to the central connecting column; side connecting holes allowing the side connecting columns to penetrate front and back are formed in the lower ends of a pair of vertical parts of the adjusting connecting plate correspondingly; a pair of middle connecting plates is arranged in the middle of the upper end face of the supporting bottom plate in a front-back moving mode. The pair of middle connecting plates synchronously get away from or close to each other front and back; a center connecting hole allowing the center connecting column to penetrate through front and back is formed in the upper end of the middle connecting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of axial fans, and particularly relates to an adjustable support seat for an axial fan. Background Art

[0002] Axial fans can be used for ventilation or heat dissipation enhancement in places such as metallurgy, chemical industry, light industry, food, pharmaceutical equipment, mechanical equipment, and civil buildings; if the casing is removed, it can also be used as a free fan, or can be installed in series at intervals in a long exhaust pipe to increase the wind pressure in the pipe. Existing axial fans generally include a casing, an installation frame is arranged inside the casing, a motor is installed on the installation frame, and the axial fan is fixed at the place to be fixed through fastening bolts. When cleaning or maintaining the axial fan, the fastening bolts must be disassembled and reinstalled, which not only has a large labor intensity but also wastes time. Moreover, after the existing axial fan is fixed, it is inconvenient to adjust the angle of the axial fan, and the applicable range is small. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an adjustable support seat for an axial fan to solve the technical problem that the wind direction angle of the existing axial fan is not easy to adjust.

[0004] The technical solution of the utility model to solve the above technical problem is as follows: an adjustable support seat for an axial fan, including a support bottom plate and a wind direction adjusting device; the wind direction adjusting device includes a pair of adjusting driving plates arranged to move left and right and a pair of "U"-shaped adjusting connecting plates arranged symmetrically front and back with the opening facing downwards; the pair of adjusting driving plates are opposite front and back and are arranged to move left and right synchronously; an adjusting center rod is formed between the upper ends of the pair of adjusting driving plates; an inclined guide hole in the shape of a long hole penetrating front and back and inclined upwards from left to right is formed in the horizontal part of the pair of adjusting connecting plates; the adjusting center rod passes through the pair of inclined guide holes front and back; center connecting columns are respectively formed at the centers of the front and rear ends of the outer surface of the casing of the axial fan; side connecting columns are respectively formed at the left and right ends of the front and rear ends of the outer surface of the casing of the axial fan; the pair of side connecting columns are symmetrically arranged left and right with respect to the center connecting column; side connecting holes for the side connecting columns to pass through front and back are respectively formed at the lower ends of the pair of vertical parts of the adjusting connecting plate; the middle parts of the upper end surface of the support bottom plate are arranged to move back and forth between a pair of middle connecting plates; the pair of middle connecting plates move away from or approach each other synchronously front and back and the pair of middle connecting plates are located between the pair of adjusting driving plates; a center connecting hole for the center connecting column to pass through front and back is formed at the upper end of the middle connecting plate.

[0005] As a preference of the above technical solution, the adjusting center rod is a threaded rod; two pairs of limit nuts are screwed on the adjusting center rod; a pair of limit nuts clamp the corresponding side of the adjusting connecting plate.

[0006] As a preferred embodiment of the above technical solution, the front end and the right end of the middle part of the supporting base plate are respectively formed with forward and backward moving grooves for the forward and backward movement of the middle connecting plate; a pair of forward and backward moving grooves are provided with forward and backward driving threaded rods passing through and rotatingly arranged therein; the parts of the front and rear driving threaded rods located in the pair of forward and backward moving grooves are respectively formed with external threads with opposite rotation directions; a pair of middle connecting plates are screwed to different external threaded parts of the front and rear driving threaded rods.

[0007] As a preferred embodiment of the above technical solution, the front ends of the front and rear driving threaded rods are formed with regular hexagonal rotating driving blocks.

[0008] As a preferred embodiment of the above technical solution, a pair of left and right drive seats are respectively formed at the front and rear ends of the upper end surface of the supporting base plate; left and right drive threaded rods are pivotally connected between the pair of left and right drive seats; left and right drive motors are fixed on the right end surface of the left and right drive seats on the right side; the right ends of the left and right drive threaded rods are fixedly connected to the output shafts of the left and right drive motors; and the lower part of the adjusting drive plate is screwed onto the left and right drive threaded rods on the corresponding sides.

[0009] As a preferred embodiment of the above technical solution, the length of the side connecting column is greater than the length of the central connecting column.

[0010] The utility model has the advantages of simple structure, convenient installation of the axial flow fan and convenient adjustment of wind direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0012] Figure 2 It is a structural schematic diagram of the utility model from the left;

[0013] Figure 3 For the utility model Figure 2 Schematic diagram of the structure of the cross section of AA.

[0014] In the figure, 10, supporting base plate; 100, front and rear moving groove; 11, left and right driving seat; 20, wind direction adjusting device; 21, left and right driving motors; 22, left and right driving threaded rods; 23, adjusting driving plate; 24, adjusting center rod; 25, limiting nut; 26, adjusting connecting plate; 260, inclined guide hole; 2600, side connecting hole; 27, front and rear driving threaded rod; 271, rotating driving block; 28, middle connecting plate; 280, center connecting hole; 30, axial flow fan; 31, center connecting column; 32, side connecting column. DETAILED DESCRIPTION

[0015] like Figure 1 to Figure 3As shown in the figure, an adjustable support base for an axial flow fan includes a support base plate 10 and a wind direction adjustment device 20; the wind direction adjustment device 20 includes a pair of adjustment drive plates 23 that are arranged to move left and right, and a pair of "U"-shaped adjustment connecting plates 26 that are symmetrically arranged front and back and have openings facing downwards; the pair of adjustment drive plates 23 face each other front and back and are arranged to move left and right synchronously; an adjustment center rod 24 is formed between the upper ends of the pair of adjustment drive plates 23; the horizontal parts of the pair of adjustment connecting plates 26 are formed with inclined guide holes 260 that are long hole-shaped and run through from front to back and are inclined upwards from left to right; the adjustment center rod 24 passes through the pair of inclined guide holes 260 from front to back; center connection columns 31 are respectively formed at the centers of the front and rear ends of the outer surface of the housing of the axial flow fan 30; side connection columns 32 are respectively formed at the left and right ends of the front and rear ends of the outer surface of the housing of the axial flow fan 30; the pair of side connection columns 32 are symmetrically arranged left and right with respect to the center connection column 31; side connection holes 2600 for the side connection columns 32 to pass through front and back are respectively formed at the lower ends of the pair of vertical parts of the adjustment connecting plate 26; the middle parts of the upper end surface of the support base plate 10 are arranged to move back and forth on a pair of middle connection plates 28; the pair of middle connection plates 28 move away from or close to each other synchronously back and forth and the pair of middle connection plates 28 are located between the pair of adjustment drive plates 23; a center connection hole 280 for the center connection column 31 to pass through front and back is formed at the upper end of the middle connection plate 28.

[0016] As Figure 1 to Figure 3 shown, the adjustment center rod 24 is a threaded rod; two pairs of limit nuts 25 are screwed on the adjustment center rod 24; a pair of limit nuts 25 clamp the corresponding side of the adjustment connecting plate 26.

[0017] As Figure 1 、 Figure 3 shown, front and back moving grooves 100 for the middle connection plates 28 to move back and forth are respectively formed at the front end and the right end of the middle part of the support base plate 10; a front and back drive threaded rod 27 passes through and is rotatably arranged in the pair of front and back moving grooves 100; the parts of the front and back drive threaded rod 27 located in the pair of front and back moving grooves 100 are respectively formed with external threads with opposite helix directions; the pair of middle connection plates 28 are screwed on different external thread parts of the front and back drive threaded rod 27.

[0018] As Figure 1 shown, a rotation drive block 271 with a regular hexagon shape is formed at the front end of the front and back drive threaded rod 27.

[0019] As Figure 1 、 Figure 3As shown, a pair of left and right drive seats 11 symmetrically arranged on the front and rear ends of the upper end surface of the supporting base plate 10 are respectively formed; a left and right drive threaded rod 22 is pivotally connected between the pair of left and right drive seats 11; a left and right drive motor 21 is fixed to the right end surface of the left and right drive seat 11 on the right side; the right end of the left and right drive threaded rod 22 is fixedly connected to the output shaft of the left and right drive motor 21; the lower part of the adjusting drive plate 23 is screwed on the left and right drive threaded rod 22 on the corresponding side.

[0020] like Figure 2 , Figure 3 As shown, the length of the side connecting column 32 is greater than the length of the central connecting column 31 .

[0021] Working principle of the adjustable support for axial flow fans;

[0022] In the initial state, the pair of adjustment drive plates 23 are in the middle position, the openings of the pair of adjustment connecting plates 26 are vertically arranged downward, and the pair of middle connecting plates 28 are the farthest apart;

[0023] During installation, the axial flow fan is placed between a pair of middle connecting plates 28; then the pair of middle connecting plates 28 are brought close together synchronously, and the center connecting column 31 is inserted into the center connecting hole 280; then all the limiting nuts 25 are loosened, and then a pair of adjusting connecting plates 26 are brought close together so that the side connecting holes 2600 are sleeved on the side connecting columns 32 on the corresponding sides, and then all the limiting nuts 25 are screwed until a pair of limiting nuts 25 clamp the adjusting connecting plates 26 on the corresponding sides; thus, the installation of the axial flow fan is completed;

[0024] When the wind direction needs to be adjusted, loosen the pair of limit nuts 25 inside the pair of adjustment connecting plates 26, and then move the pair of adjustment drive plates 23 to the left or right synchronously to adjust the wind direction of the axial flow fan, and finally tighten the pair of limit nuts 25 inside the pair of adjustment connecting plates 26.

[0025] The above contents are only preferred implementation modes of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there are changes in the specific implementation mode and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. An adjustment support seat for an axial flow fan, characterized in that: The invention comprises a supporting bottom plate (10) and a wind direction adjusting device (20); the wind direction adjusting device (20) comprises a pair of adjusting driving plates (23) arranged to move left and right and a pair of adjusting connecting plates (26) arranged symmetrically in front and back and with an opening facing downward; the pair of adjusting driving plates (23) are arranged to move left and right in a synchronous manner in front and back; an adjusting center rod (24) is formed between the upper ends of the pair of adjusting driving plates (23); a long hole-shaped inclined guide hole (260) is formed on the horizontal parts of the pair of adjusting connecting plates (26) and passes through the pair of inclined guide holes (260) in a front and back manner; and a center connecting column is formed at the center of the front and rear ends of the outer surface of the shell of the axial flow fan (30) respectively. (31); the left and right ends of the front and rear ends of the outer shell surface of the axial flow fan (30) are respectively formed with side connecting columns (32); the pair of side connecting columns (32) are symmetrically arranged with respect to the central connecting column (31); the lower ends of a pair of vertical parts of the adjusting connecting plate (26) are respectively formed with side connecting holes (2600) for the side connecting columns (32) to pass through front and back; the middle part of the upper end surface of the supporting bottom plate (10) is arranged on a pair of central connecting plates (28) for forward and backward movement; the pair of central connecting plates (28) are synchronously moved away from or approached front and back and the pair of central connecting plates (28) are located between a pair of adjusting driving plates (23); the upper end of the central connecting plate (28) is formed with a central connecting hole (280) for the central connecting column (31) to pass through front and back.

2. The adjustable support seat for an axial flow fan according to claim 1, characterized in that: The adjusting center rod (24) is a threaded rod; two pairs of limiting nuts (25) are threadedly connected to the adjusting center rod (24); and a pair of limiting nuts (25) clamps the adjusting connecting plates (26) on the corresponding sides.

3. The adjustable support seat for an axial flow fan according to claim 1, characterized in that: The front end and the right end of the middle part of the supporting base plate (10) are respectively formed with forward and backward moving grooves (100) for the middle connecting plate (28) to move forward and backward; a pair of forward and backward moving grooves (100) are provided with forward and backward driving threaded rods (27) passing through and rotating in the forward and backward directions; the parts of the front and rear driving threaded rods (27) located in the pair of forward and backward moving grooves (100) are respectively formed with external threads with opposite rotation directions; and the pair of middle connecting plates (28) are screwed to different external threaded parts of the front and rear driving threaded rods (27).

4. The adjustable support seat for an axial flow fan according to claim 3, characterized in that: A rotating driving block (271) in a regular hexagonal shape is formed at the front end of the front and rear driving threaded rod (27).

5. The adjustable support seat for an axial flow fan according to claim 1, characterized in that: A pair of left and right drive seats (11) symmetrically arranged are respectively formed at the front and rear ends of the upper end surface of the supporting base plate (10); a left and right drive threaded rod (22) is pivotally connected between the pair of left and right drive seats (11); a left and right drive motor (21) is fixed on the right end surface of the right left and right drive seat (11); the right end of the left and right drive threaded rod (22) is fixedly connected to the output shaft of the left and right drive motor (21); and the lower part of the adjusting drive plate (23) is screwed onto the left and right drive threaded rod (22) on the corresponding side.

6. The adjustable support seat for an axial flow fan according to claim 1, characterized in that: The length of the side connecting column (32) is greater than the length of the central connecting column (31).

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