Centrifugal fan fixing device

Abstract

The utility model discloses a centrifugal fan fixing device which comprises a fixing base, a fan supporting bottom plate is installed on the top of the fixing base, and a fan supporting frame is fixedly connected to the top of the fan supporting bottom plate. By arranging a clamping plate, an anti-skid inner pad on the inner side of the clamping plate is used for clamping and fixing a fan supporting bottom plate, the position of the fan supporting bottom plate is limited and fixed, an adjusting lead screw and an adjusting sliding plate are arranged, the adjusting lead screw drives the adjusting sliding plate to move when rotating, and the adjusting sliding plate drives an adjusting chute to move when moving; adjusting sliding rods are jacked through adjusting inclined grooves, clamping plates are driven to move and adjust when the adjusting sliding rods move, clamping treatment is conducted through the clamping plates, and through arrangement of positioning blocks and clamping jacking grooves, matched fixing between the positioning blocks and the clamping jacking grooves is achieved, and limiting and fixing treatment is conducted on the mounting position of a fan supporting bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices, in particular to a fixing device for a centrifugal fan. Background Art

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge 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 draft of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selection of grains; inflation and propulsion of wind tunnel wind sources and hovercraft, etc. When a centrifugal fan is fixedly installed, the fan base is usually installed on the corresponding mounting seat through threaded holes and screws. The existing centrifugal fan installation method is mostly installed through multiple screws, which is not convenient for centrifugal fan installation, and it is not convenient for the disassembly and maintenance of the centrifugal fan in the later stage. Utility Model Content

[0003] The purpose of the utility model is to provide a centrifugal fan fixing device to solve the problem that the existing centrifugal fan installation method proposed in the above background technology is mostly installed by multiple screws, which is not convenient for installing the centrifugal fan and is not convenient for disassembly and maintenance of the centrifugal fan in the later stage.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centrifugal fan fixing device comprises a fixed base, a fan supporting base plate is installed on the top of the fixed base, the top of the fan supporting base plate is fixedly connected to the fan supporting frame, the top of the fan supporting frame is fixedly connected to the centrifugal fan body, the top of the fixed base is symmetrically slidably connected to two clamping plates, the inner sides of the two clamping plates are fixedly connected to fixed side plates, the internal threads of the fixed side plates are connected to fixing bolts, the bottom ends of the fixing bolts are rotatably connected to a positioning block, the top of the fan supporting base plate is symmetrically provided with two engaging top grooves that cooperate with the positioning block, the interior of the fixed base is slidably connected with an adjusting slide plate, the interior of the adjusting slide plate is symmetrically provided with two adjusting inclined grooves, the interiors of the two adjusting inclined grooves are slidably connected with adjusting slide rods, the adjusting slide rod is slidably connected to the fixed base, the top of the fixed base is symmetrically provided with two limiting slide grooves that cooperate with the adjusting slide rod, the adjusting slide rod is slidably connected to the limiting slide groove, and the top end of the adjusting slide rod is fixedly connected to the clamping plate.

[0005] As a preferred solution of the utility model: two limiting sliding bars are symmetrically fixedly connected to the top of the positioning block, and the limiting sliding bars are slidably connected to the fixed side plates.

[0006] As a preferred solution of the utility model: the internal thread of the adjusting slide plate is connected with an adjusting screw rod, and the adjusting screw rod is rotatably connected to the fixed base.

[0007] As a preferred solution of the utility model: a fixed side box is fixedly connected to one side of the fixed base, the adjusting screw is rotatably connected to the fixed side box, the interior of the fixed side box is rotatably connected to a rotating worm, the outer side of the adjusting screw is fixedly connected to a worm wheel, and the worm wheel is meshingly connected to the rotating worm.

[0008] As a preferred solution of the utility model: one side of the fixed side box is rotatably connected with a hexagonal rotating screw block, and one end of the rotating worm is fixedly connected to the hexagonal rotating screw block.

[0009] As a preferred solution of the utility model: a battery is installed on one side of the fixed base.

[0010] As a preferred solution of the utility model: a control panel is installed on one side of the fixed base, and the centrifugal fan body and the battery are electrically connected to the control panel.

[0011] As a preferred solution of the utility model: anti-skid inner pads are fixedly connected to the inner sides of the two clamping plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a clamping plate and an anti-skid inner pad, so that the anti-skid inner pad on the inner side of the clamping plate clamps and fixes the fan support base plate, and limits and fixes the position of the fan support base plate; provides an adjusting screw and an adjusting slide plate, so that the adjusting screw drives the adjusting slide plate to move when it rotates, and the adjusting slide plate drives the adjusting bevel to move when it moves, and the adjusting slide bar is pushed by the adjusting bevel slot, and the adjusting slide bar drives the clamping plate to move and adjust when it moves, and the clamping process is performed by the clamping plate; and by providing a positioning block and a snap-fit ​​top groove, the positioning block and the snap-fit ​​top groove are matched and fixed, so that the installation position of the fan support base plate is limited and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a rear view of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the fixed base of the utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the fixed side box of the utility model;

[0017] Figure 5This is a schematic diagram of the internal structure of the fixed base of the utility model.

[0018] In the figure: 1. Fixed base; 2. Fan support bottom plate; 3. Fan support frame; 4. Centrifugal fan body; 5. Clamping plate; 6. Anti-skid inner pad; 7. Fixed side plate; 8. Fixing bolt; 9. Limit slide bar; 10. Positioning block; 11. Adjusting slide plate; 12. Adjusting inclined groove; 13. Adjusting slide bar; 14. Limiting slide groove; 15. Adjusting screw; 16. Fixed side box; 17. Worm gear; 18. Rotating worm; 19. Hexagonal rotating screw block; 20. Battery; 21. Control panel; 22. Engagement top groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 5 The utility model provides a technical solution: a centrifugal fan fixing device, including a fixed base 1, a fan support bottom plate 2 is installed on the top of the fixed base 1, a fan support frame 3 is fixedly connected to the top of the fan support bottom plate 2, a centrifugal fan body 4 is fixedly connected to the top of the fan support frame 3, two clamping plates 5 are symmetrically slidably connected to the top of the fixed base 1, the inner sides of the two clamping plates 5 are fixedly connected to fixed side plates 7, the internal threads of the fixed side plates 7 are connected to fixing bolts 8, the bottom end of the fixing bolts 8 is rotatably connected to a positioning block 10, the top of the fan support bottom plate 2 is symmetrically provided with two engaging top grooves 22 that cooperate with the positioning block 10, the fixed base 1 An adjusting slide plate 11 is slidably connected inside, and two adjusting bevel grooves 12 are symmetrically provided inside the adjusting slide plate 11. An adjusting slide rod 13 is slidably connected inside the two adjusting bevel grooves 12. The adjusting slide rod 13 is slidably connected to the fixed base 1. Two limiting slide grooves 14 cooperating with the adjusting slide rod 13 are symmetrically provided on the top of the fixed base 1. The adjusting slide rod 13 is slidably connected to the limiting slide grooves 14. The top of the adjusting slide rod 13 is fixedly connected to the clamping plate 5. When the adjusting slide plate 11 moves, the adjusting slide rod 13 is pushed through the adjusting bevel groove 12. When the adjusting slide rod 13 moves, it drives the clamping plate 5 and the fixed side plate 7 to move, and the clamping and limiting processing is performed through the clamping plate 5.

[0021] Among them, two limiting sliding rods 9 are symmetrically fixedly connected to the top of the positioning block 10, and the limiting sliding rods 9 are slidably connected to the fixed side plate 7.

[0022] The inner thread of the adjusting slide plate 11 is connected with an adjusting screw rod 15 , and the adjusting screw rod 15 is rotatably connected with the fixed base 1 .

[0023] Among them, a fixed side box 16 is fixedly connected to one side of the fixed base 1, and the adjusting screw 15 is rotatably connected to the fixed side box 16. The fixed side box 16 is internally rotatably connected to a rotating worm 18. The outer side of the adjusting screw 15 is fixedly connected to a worm wheel 17. The worm wheel 17 is meshingly connected to the rotating worm 18. When the rotating worm 18 rotates, it drives the meshing worm wheel 17 to rotate. When the worm wheel 17 rotates, it drives the inner adjusting screw 15. The adjusting screw 15 drives the adjusting slide plate 11 to move and adjust. When the adjusting slide plate 11 moves, it pushes the adjusting slide bar 13 through the adjusting inclined groove 12. When the adjusting slide bar 13 moves, it drives the clamping plate 5 and the fixed side plate 7 to move for limited installation.

[0024] Among them, a hexagonal rotating screw block 19 is rotatably connected to one side of the fixed side box 16, and one end of the rotating worm 18 is fixedly connected to the hexagonal rotating screw block 19, and the rotating worm 18 is rotationally adjusted by the hexagonal rotating screw block 19.

[0025] A battery 20 is installed on one side of the fixed base 1 , and power is supplied through the battery 20 .

[0026] A control panel 21 is installed on one side of the fixed base 1 , and the centrifugal fan body 4 and the battery 20 are electrically connected to the control panel 21 , and the centrifugal fan body 4 and the battery 20 are controlled and processed through the control panel 21 .

[0027] The inner sides of the two clamping plates 5 are fixedly connected with anti-skid inner pads 6 , and the clamping process is performed by the anti-skid inner pads 6 on the inner sides of the clamping plates 5 .

[0028] By rotating the hexagonal rotating screw block 19, the rotating worm 18 is driven to rotate when the hexagonal rotating screw block 19 is rotated, and the meshing worm gear 17 is driven to rotate when the rotating worm gear 18 is rotated, and the inner adjusting screw 15 is driven when the worm gear 17 is rotated, and the adjusting screw 15 drives the adjusting slide plate 11 to move and adjust, and the adjusting slide plate 11 moves to push the adjusting slide bar 13 through the adjusting inclined groove 12, and the adjusting slide bar 13 moves to drive the clamping plate 5 and the fixed side plate 7 to move, and the anti-slip inner pad 6 on the inner side of the clamping plate 5 is clamped, and the fixing bolt 8 is rotated, and the fixing bolt 8 drives the bottom positioning block 10 to move downward, and the positioning block 10 enters the engaging top groove 22, and the fan support bottom plate 2, the fan support frame 3 and the centrifugal fan body 4 are installed and fixed on the fixed base 1.

[0029] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A centrifugal fan fixing device, comprising a fixing base (1), characterized in that: A fan support base plate (2) is installed on the top of the fixed base (1), a fan support frame (3) is fixedly connected to the top of the fan support base plate (2), a centrifugal fan body (4) is fixedly connected to the top of the fan support frame (3), two clamping plates (5) are symmetrically slidably connected to the top of the fixed base (1), the inner sides of the two clamping plates (5) are fixedly connected to fixed side plates (7), the internal threads of the fixed side plates (7) are connected to fixing bolts (8), the bottom ends of the fixing bolts (8) are rotatably connected to positioning blocks (10), and the top of the fan support base plate (2) is symmetrically provided with two fixing bolts (8) which are connected to the positioning blocks (10). 10) is matched with a snap-fit ​​top groove (22), the interior of the fixed base (1) is slidably connected with an adjusting slide plate (11), the interior of the adjusting slide plate (11) is symmetrically provided with two adjusting inclined grooves (12), the interiors of the two adjusting inclined grooves (12) are slidably connected with an adjusting slide rod (13), the adjusting slide rod (13) is slidably connected to the fixed base (1), the top of the fixed base (1) is symmetrically provided with two limiting slide grooves (14) matched with the adjusting slide rod (13), the adjusting slide rod (13) is slidably connected to the limiting slide groove (14), and the top end of the adjusting slide rod (13) is fixedly connected to the clamping plate (5).

2. A centrifugal fan fixing device according to claim 1, characterized in that: Two limiting slide bars (9) are symmetrically fixedly connected to the top of the positioning block (10), and the limiting slide bars (9) are slidably connected to the fixed side plate (7).

3. A centrifugal fan fixing device according to claim 1, characterized in that: The internal thread of the adjusting slide plate (11) is connected with an adjusting screw rod (15), and the adjusting screw rod (15) is rotatably connected to the fixed base (1).

4. A centrifugal fan fixing device according to claim 3, characterized in that: A fixed side box (16) is fixedly connected to one side of the fixed base (1), the adjusting screw rod (15) is rotatably connected to the fixed side box (16), a rotating worm (18) is rotatably connected inside the fixed side box (16), a worm wheel (17) is fixedly connected to the outside of the adjusting screw rod (15), and the worm wheel (17) is meshingly connected to the rotating worm (18).

5. A centrifugal fan fixing device according to claim 4, characterized in that: One side of the fixed side box (16) is rotatably connected to a hexagonal rotating block (19), and one end of the rotating worm (18) is fixedly connected to the hexagonal rotating block (19).

6. A centrifugal fan fixing device according to claim 1, characterized in that: A storage battery (20) is installed on one side of the fixed base (1).

7. A centrifugal fan fixing device according to claim 6, characterized in that: A control panel (21) is installed on one side of the fixed base (1), and the centrifugal fan body (4) and the battery (20) are both electrically connected to the control panel (21).

8. A centrifugal fan fixing device according to claim 1, characterized in that: The inner sides of the two clamping plates (5) are both fixedly connected with anti-skid inner pads (6).

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