CN212959292U - Integrated low-noise centrifugal fan - Google Patents

Abstract

The utility model belongs to the technical field of centrifugal fans, in particular to an integrated low-noise centrifugal fan, which comprises an integrated centrifugal fan main body, wherein the bottom of the integrated centrifugal fan main body is provided with a mounting seat, the mounting seat is integrally formed with a connecting block, a mounting groove is arranged between the connecting block and the mounting seat, the integrated centrifugal fan main body is arranged in the mounting seat through the mounting groove arranged on the mounting seat and is stabilized under the screwing action of a fastening screw, the contact surface of the integrated centrifugal fan main body and the mounting seat is increased by utilizing the design of two side extension boards and the clamping action of a clamping strip in a clamping groove, meanwhile, a certain connection relation also exists between the mounting seat and the mounting seat through a fixed rod connected between the bottom of the mounting seat and the screwing operation of a matching nut, so that the connection stability of the integrated low-noise centrifugal fan overall structure is greatly improved, the efficient and stable use and operation of the integrated low-noise centrifugal fan are ensured.

Description

Integrated low-noise centrifugal fan

Technical Field

The utility model belongs to the technical field of centrifugal fan, concretely relates to integral type low noise centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and selecting grains, inflation and propulsion of wind tunnel air sources and air cushion boats and the like, the working principle of the centrifugal fan is basically the same as that of a turbine compressor, the working principle of the centrifugal fan is the same as that of the turbine compressor, the working principle of the centrifugal fan is that the working principle of the centrifugal fan is lower and the pressure change is not large, the change of specific volume of gas does not need to be considered generally, namely the gas is treated as incompressible fluid, an integrated low-noise centrifugal fan is usually used in the current technical means, and when the existing integrated low-noise centrifugal fan is used, the connection reliability between a fan body and a bottom mounting seat is poor, and the mounting seat and the bottom mounting seat are not correspondingly connected and matched, the stability of the integral structure of the integrated low-noise centrifugal fan is poor, and the efficient and stable use and operation of the integrated low-noise centrifugal fan are affected.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an integral type low noise centrifugal fan has the characteristics that the connection reliability between fan main part and the bottom mount pad is better and integral type low noise centrifugal fan overall structure's stability is strong.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated low-noise centrifugal fan comprises an integrated centrifugal fan main body, wherein a mounting seat is arranged at the bottom of the integrated centrifugal fan main body, a connecting block is integrally formed on the mounting seat, a placing groove is formed between the connecting block and the mounting seat, the connecting block and the integrated centrifugal fan main body are fixedly connected through a fastening screw, an epitaxial plate and a connecting block are fixedly welded on two sides of the mounting seat, a clamping strip is integrally formed on the inner wall of the epitaxial plate, a clamping groove is formed in the position, corresponding to the clamping strip, on the outer wall of the integrated centrifugal fan main body, a motor is arranged on one side of the integrated centrifugal fan main body, a mounting frame is arranged below the motor, the motor is mounted on the mounting frame, the output end of the motor is connected with the integrated centrifugal fan main body, and a fixing rod is integrally formed on one side of the mounting frame, the dead lever is different from even there is the screw rod in the one end of mounting bracket, in the mount pad with the fixed slot has been seted up to the position department that the dead lever corresponds.

As the utility model discloses an optimal technical scheme of integral type low noise centrifugal fan, the card strip is provided with a plurality ofly altogether, just the size of card strip with the inside size phase-match of draw-in groove.

As the utility model discloses an optimal technical scheme of integral type low noise centrifugal fan, the dead lever inserts in the fixed slot, just the outside of screw rod has connect fastening nut soon.

As the utility model discloses a preferred technical scheme of integral type low noise centrifugal fan, the inboard table wall of epitaxial plate with the outer wall of integral type centrifugal fan main part contacts.

As the utility model discloses an optimal technical scheme of integral type low noise centrifugal fan, the connecting block on the surface with the circular slot has been seted up to the corresponding position department of fastening screw.

As the utility model discloses an optimal technical scheme of integral type low noise centrifugal fan, the epitaxial wafer back of the body in one side of mount pad is connected with through the pivot and draws the handle.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the integrated centrifugal fan main body is arranged in the mounting seat through the arrangement groove arranged on the mounting seat, the connection reliability between the integrated centrifugal fan main body and the mounting seat is effectively enhanced by utilizing the design of the extension boards at two sides and the clamping action of the clamping strips in the clamping grooves, the contact surface between the integrated centrifugal fan main body and the mounting seat is increased, meanwhile, the connection stability of the integrated low-noise centrifugal fan overall structure is greatly improved by matching the screwing operation of the nuts with the fixed rods connected between the bottom of the mounting frame and the mounting seat, the poor connection reliability between the original fan main body and the bottom mounting seat is effectively solved, and no corresponding connection coordination exists between the mounting frame and the bottom mounting seat, make integral type low noise centrifugal fan overall structure's the poor problem of stability ability, make the normal orderly function of integral type low noise centrifugal fan, guaranteed the high-efficient stable operation of using of integral type low noise centrifugal fan.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a mounting seat portion of the present invention;

FIG. 3 is a schematic structural view of a mounting frame portion of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. an integrated centrifugal fan body; 2. a mounting seat; 3. a joining block; 4. a mounting frame; 5. connecting blocks; 6. fastening screws; 7. an epitaxial plate; 8. pulling a handle; 9. a motor; 10. clamping the strip; 11. a circular groove; 12. a placing groove; 13. fixing grooves; 14. fixing the rod; 15. a screw; 16. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: an integrated low-noise centrifugal fan comprises an integrated centrifugal fan main body 1, wherein a mounting seat 2 is arranged at the bottom of the integrated centrifugal fan main body 1, a connecting block 5 is integrally formed on the mounting seat 2, a mounting groove 12 is arranged between the connecting block 5 and the mounting seat 2, the connecting block 5 and the integrated centrifugal fan main body 1 are fixedly connected through a fastening screw 6, an epitaxial plate 7 and a connecting block 3 are fixedly welded on two sides of the mounting seat 2, a clamping strip 10 is integrally formed on the inner wall of the epitaxial plate 7, a clamping groove 16 is formed in the position, corresponding to the clamping strip 10, on the outer wall of the integrated centrifugal fan main body 1, a motor 9 is arranged on one side of the integrated centrifugal fan main body 1, a mounting frame 4 is arranged below the motor 9, the motor 9 is mounted on the mounting frame 4, the output end of the motor 9 is connected with the integrated centrifugal fan main body 1, and a fixing rod, the dead lever 14 is different from the one end of mounting bracket 4 and even has screw rod 15, has seted up fixed slot 13 with the corresponding position department of dead lever 14 in the mount pad 2, in this embodiment, utilizes corresponding connecting elements and application component, makes the normal orderly function of integral type low noise centrifugal fan, has guaranteed the high-efficient stable operation of using of integral type low noise centrifugal fan.

Specifically, card strip 10 is provided with a plurality ofly altogether, and the inside size phase-match of size and draw-in groove 16 of card strip 10, and in this embodiment, card strip 10 joint advances into corresponding draw-in groove 16 for integral type centrifugal fan main part 1 is reliably connected with mount pad 2.

Specifically, dead lever 14 inserts in fixed slot 13, and the outside of screw rod 15 has connect fastening nut soon, in this embodiment, utilizes fastening nut to establish soon in the outside of screw rod 15 for also there is certain relation of connection between mounting bracket 4 and mount pad 2, makes integral type low noise centrifugal fan overall structure's connection stability obtain the promotion of great degree.

Specifically, the inside surface wall of epitaxial plate 7 contacts with the outer wall of integral type centrifugal fan main part 1, and in this embodiment, the contact surface of integral type centrifugal fan main part 1 and mount pad 2 has been increased with the inside surface wall of the epitaxial plate 7 that contacts and the outer wall of integral type centrifugal fan main part 1, has effectively strengthened the reliability of being connected between integral type centrifugal fan main part 1 and the mount pad 2.

Specifically, the round groove 11 has been seted up with the position department that fastening screw 6 corresponds on the connecting block 5 surface, and in this embodiment, the round groove 11 is the counter bore structure, can receive fastening screw 6's cap end part in it, has guaranteed the holistic safe utilization of integral type centrifugal fan.

Specifically, one side of the extension plate 7, which is back on the mounting base 2, is connected with a pull handle 8 through a rotating shaft, and in the embodiment, due to the design of the pull handle 8, the personnel can conveniently carry out corresponding moving operation on the integral centrifugal fan.

The utility model discloses a theory of operation and use flow: in the using process of the utility model, the bottom of the integrated centrifugal fan main body 1 is erected in the arranging groove 12 formed between the mounting seat 2 and the connecting block 5, then the fastening screw 6 is utilized to carry out the screwing operation, the fixing treatment of the integrated centrifugal fan main body 1 and the mounting seat 2 can be completed, wherein the outer wall of the integrated centrifugal fan main body 1 is contacted with the inner wall of the epitaxial plate 7, part of the clamping strip 10 is clamped into the corresponding clamping groove 16, the contact surface of the integrated centrifugal fan main body 1 and the mounting seat 2 is increased, the connection reliability between the integrated centrifugal fan main body 1 and the mounting seat 2 is effectively enhanced, when the mounting frame 4 is assembled, the part of the fixing rod 14 on the support leg of the mounting frame 4 is inserted into the fixing groove 13 on the mounting seat 2, the screw rod 15 of the fixing rod 14, which is different from one end of the mounting frame 4, penetrates out of the fixing groove 13 and is in an, the nut is reused and is arranged outside the screw rod 15 in a rotating mode, certain connection relation also exists between the mounting frame 4 and the mounting seat 2, connection stability of the integral low-noise centrifugal fan overall structure is improved to a large extent, normal and orderly operation of the integral low-noise centrifugal fan is achieved, and efficient and stable use operation of the integral low-noise centrifugal fan is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an integral type low noise centrifugal fan, includes integral type centrifugal fan main part (1), its characterized in that: the integrated centrifugal fan comprises an integrated centrifugal fan body (1), wherein a mounting seat (2) is arranged at the bottom of the integrated centrifugal fan body (1), a connecting block (5) is integrally formed on the mounting seat (2), a mounting groove (12) is formed between the connecting block (5) and the mounting seat (2), the connecting block (5) and the integrated centrifugal fan body (1) are fixedly connected through a fastening screw (6), an epitaxial plate (7) and a connecting block (3) are fixedly welded to the two sides of the mounting seat (2), a clamping strip (10) is integrally formed on the inner wall of the epitaxial plate (7), a clamping groove (16) is formed in the position, corresponding to the clamping strip (10), on the outer wall of the integrated centrifugal fan body (1), a motor (9) is arranged on one side of the integrated centrifugal fan body (1), a mounting frame (4) is arranged below the motor (9), and the mounting frame (9) is mounted on the mounting frame (4), just the output of motor (9) with integral type centrifugal fan main part (1) is connected, one side integrated into one piece of mounting bracket (4) has dead lever (14), dead lever (14) be different in the one end of mounting bracket (4) even has screw rod (15), in mount pad (2) with fixed slot (13) have been seted up to dead lever (14) corresponding position department.

2. The integrated low-noise centrifugal fan according to claim 1, wherein: the clamping strips (10) are arranged in a plurality, and the size of the clamping strips (10) is matched with the size inside the clamping grooves (16).

3. The integrated low-noise centrifugal fan according to claim 1, wherein: the fixing rod (14) is inserted into the fixing groove (13), and a fastening nut is screwed on the outer portion of the screw rod (15).

4. The integrated low-noise centrifugal fan according to claim 1, wherein: the inner side surface wall of the extension plate (7) is in contact with the outer wall of the integrated centrifugal fan main body (1).

5. The integrated low-noise centrifugal fan according to claim 1, wherein: and a round groove (11) is formed in the surface of the connecting block (5) at a position corresponding to the fastening screw (6).

6. The integrated low-noise centrifugal fan according to claim 1, wherein: one side of the extension plate (7) back to the mounting seat (2) is connected with a pull handle (8) through a rotating shaft.

Images