Supporting mechanism and centrifugal fan thereof

Abstract

The supporting mechanism comprises a base, supporting plates are symmetrically and fixedly connected to the top of the base, arc plates are arranged at the tops of the supporting plates, mounting grooves are formed between the arc plates and the supporting plates, and the arc plates and the supporting plates are rotationally connected with connecting lantern rings through the mounting grooves. A locking assembly for limiting the connecting lantern ring is arranged on one side of the arc plate and one side of the supporting plate, the locking plate is slidably connected to one side of the arc plate and one side of the supporting plate in a clamped mode, and the locking rod is fixedly connected to the side, facing the connecting lantern ring, of the locking plate. The base, the supporting plate, the arc plate, the connecting lantern ring and the locking assembly are used in a matched mode, the centrifugal fan rotates relative to the supporting plate and the arc plate through the connecting lantern ring, the working angle of the centrifugal fan can be adjusted, the supporting plate, the arc plate and the connecting lantern ring can be locked through the locking assembly, and therefore the working angle of the centrifugal fan can be adjusted. Therefore, the working stability of the centrifugal fan is ensured.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal fans, in particular to a supporting mechanism and a centrifugal fan thereof. 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 factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling, and for ventilation and draft in boilers and industrial furnaces.

[0003] When a centrifugal fan is working, it is usually installed in a supporting position using a base and two support plates, and the support plates are connected to the centrifugal fan through multiple bolts. Therefore, when the centrifugal fan is installed between the two support plates through bolts and the base is installed in a specified position, the centrifugal fan can be operated in a stable state. However, when the base is installed and placed, it is usually set parallel to the installation surface, and the centrifugal fan is installed between the two support plates through bolts. Therefore, when the direction of the centrifugal fan outlet needs to be changed, it is inconvenient to change the blowing direction of the centrifugal fan. Utility Model Content

[0004] The purpose of the present utility model is to provide a support mechanism and a centrifugal fan thereof to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a support mechanism, comprising a base, the top of which is symmetrically fixedly connected to a support plate;

[0006] A circular arc plate is provided on the top of the support plate, and a mounting groove is provided between the circular arc plate and the support plate. The circular arc plate and the support plate are rotatably connected to a connecting collar through the mounting groove. A locking assembly for limiting the connecting collar is provided on one side of the circular arc plate and the support plate, and the locking assembly includes:

[0007] A locking plate, the locking plate being slidably engaged with one side of the arc plate and the support plate;

[0008] A locking rod is fixedly connected to a side of the locking plate facing the connecting collar, and one side of the connecting collar is provided with positioning holes in an annular array that match the locking rod.

[0009] Preferably, a connecting plate is symmetrically fixedly connected to the bottom of the arc plate, a connecting groove is symmetrically opened on the top of the support plate, and the outer wall of the connecting plate is slidably engaged with the inner cavity of the connecting groove.

[0010] Preferably, the top of the locking plate is fixedly connected to a first fixed block, the first fixed block is slidably engaged with one side of the arc plate, and the bottom of the locking plate is fixedly connected to a second fixed block, the second fixed block is slidably engaged with one side of the support plate.

[0011] Preferably, a first limiting rod is fixedly connected to one side of the first fixed block, and the outer wall of the first limiting rod is slidably inserted and sleeved with the arc plate. A second limiting rod is fixedly connected to one side of the second fixed block, and through holes are provided on one side of the support plate and one side of the connecting plate, and the outer wall of the second limiting rod is slidably sleeved with the through hole.

[0012] Preferably, a connecting piece is symmetrically fixedly connected to one side of the support plate, a limiting plate is arranged inside the connecting piece, the limiting plate is symmetrically fixedly connected to the limiting block on one side facing the second fixed block, a slot is symmetrically opened on one side of the second fixed block, and the outer wall of the limiting block is slidably engaged with the inner cavity of the slot.

[0013] Preferably, a guide rod is fixedly connected to the interior of the connecting member, the outer wall of the guide rod is slidably inserted and sleeved with the limit plate, the outer wall of the guide rod is slidably sleeved with a limit spring, and the limit spring is located on the side of the limit plate away from the limit block.

[0014] Another object of the present invention is to provide a centrifugal fan, which includes the above-mentioned supporting mechanism.

[0015] Technical effects and advantages of this utility model:

[0016] The utility model utilizes the coordinated use of a base, a support plate, an arc plate, a connecting collar and a locking assembly. The centrifugal fan can be rotatably connected between the support plate and the arc plate through the connecting collar, and the centrifugal fan can be rotated relative to the support plate and the arc plate by the connecting collar, so that the working angle of the centrifugal fan can be adjusted, and the locking assembly can lock the support plate, the arc plate and the connecting collar, thereby ensuring the stability of the operation of the centrifugal fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a schematic diagram of the overall structure of the locking plate of the utility model.

[0019] Figure 3 This is a schematic diagram of the internal structure of the support plate portion of the utility model.

[0020] In the figure: 1. base; 2. support plate; 3. arc plate; 4. connecting ring; 5. locking assembly; 51. locking plate; 52. locking rod; 53. positioning hole; 54. connecting plate; 55. first fixing block; 56. second fixing block; 57. first limiting rod; 58. second limiting rod; 59. connecting piece; 510. guide rod; 511. limiting plate; 512. limiting block; 513. limiting spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1-3 The support mechanism shown includes a base 1, a support plate 2 is symmetrically fixedly connected to the top of the base 1, an arc plate 3 is provided on the top of the support plate 2, a mounting groove is provided between the arc plate 3 and the support plate 2, the arc plate 3 and the support plate 2 are rotatably connected with a connecting collar 4 through the mounting groove, and the connecting collar 4 is fixedly connected to the side of the centrifugal fan, so that the support plate 2 and the arc plate 3 support and restrain the connecting collar 4, and the centrifugal fan can be supported and restrained, and the connecting collar 4 can rotate relative to the arc plate 3 and the support plate 2, so that the centrifugal fan can be rotated relative to the arc plate 3 and the support plate 2, thereby rotating and adjusting the air outlet of the centrifugal fan, and the arc plate 3 and the support plate 2 are rotatably connected. A locking assembly 5 is provided on one side to limit the connecting collar 4. The locking assembly 5 includes a locking plate 51 and a locking rod 52. The locking plate 51 is slidably engaged with one side of the arc plate 3 and the support plate 2. The locking plate 51 can engage and restrain the arc plate 3 and the support plate 2. The locking rod 52 is fixedly connected to the side of the locking plate 51 facing the connecting collar 4. One side of the connecting collar 4 is provided with a plurality of positioning holes 53 matching the locking rod 52 in a circular array. When the locking rod 52 on one side of the locking plate 51 is slidably engaged with the positioning holes 53 on the connecting collar 4, the connecting collar 4 between the arc plate 3 and the support plate 2 can be engaged and restrained, thereby ensuring the stability of the installation and use of the centrifugal fan.

[0023] Furthermore, a connecting plate 54 is symmetrically fixedly connected to the bottom of the arc plate 3, and a connecting groove is symmetrically opened on the top of the support plate 2. The outer wall of the connecting plate 54 is slidably engaged with the inner cavity of the connecting groove, and the connecting plate 54 is slidably sleeved with the support plate 2, which can limit the engagement of the arc plate 3 and the support plate 2 to avoid sliding dislocation of the arc plate 3 relative to the support plate 2.

[0024] Furthermore, the top of the locking plate 51 is fixedly connected to a first fixing block 55, and the first fixing block 55 is slidably engaged with one side of the arc plate 3. One side of the first fixing block 55 is fixedly connected to a first limiting rod 57, and the outer wall of the first limiting rod 57 is slidably interwoven with the arc plate 3. The locking plate 51 is engaged with the arc plate 3 through the first fixing block 55 and the first limiting rod 57, which can prevent the locking plate 51 and the arc plate 3 from sliding and separating in the vertical direction. The bottom of the locking plate 51 is fixedly connected to a second fixing block 56, and the first limiting rod 57 is fixedly connected to the second fixing block 57. The second fixing block 56 is slidably engaged with one side of the support plate 2, and a second limiting rod 58 is fixedly connected to one side of the second fixing block 56. A through hole is provided on one side of the support plate 2 and one side of the connecting plate 54. The outer wall of the second limiting rod 58 is slidably sleeved with the through hole. The locking plate 51 is slidably engaged with the support plate 2 through the second fixing block 56 and the second limiting rod 58, thereby avoiding the locking plate 51 and the support plate 2 from being limited in the vertical direction, and then cooperating with the connecting plate 54, the support plate 2 and the arc plate 3 can be engaged and locked.

[0025] Furthermore, a connecting piece 59 is symmetrically fixedly connected to one side of the support plate 2, and a limiting plate 511 is provided inside the connecting piece 59. The limiting plate 511 is symmetrically fixedly connected to the limiting block 512 on one side facing the second fixed block 56. A card slot is symmetrically opened on one side of the second fixed block 56. The outer wall of the limiting block 512 is slidably engaged with the inner cavity of the card slot. A guide rod 510 is fixedly connected to the inside of the connecting piece 59. The outer wall of the guide rod 510 is slidably inserted and sleeved with the limiting plate 511. The outer wall of the guide rod 510 is slidably sleeved with a limiting spring 513. The limiting spring 513 is located away from the limiting plate 511. On one side of the limit block 512, under the action of the limit spring 513, the limit plate 511 can drive the limit block 512 to maintain a stable clamping state with the second fixed block 56, thereby ensuring the stability of the locking plate 51 clamped on one side of the support plate 2 and the arc plate 3, and pulling the limit plate 511 to separate from the second fixed block 56, and rotating the limit plate 511 relative to the guide rod 510 to separate the second fixed block 56, so that the locking plate 51 can be directly pulled to separate from the support plate 2 and the arc plate 3, thereby disassembling the arc plate 3, and the centrifugal fan can be directly removed from the top of the support plate 2.

[0026] like Figure 1 As shown, this embodiment provides a centrifugal fan, which includes the above-mentioned supporting mechanism.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A support mechanism, comprising a base (1), wherein a support plate (2) is symmetrically fixedly connected to the top of the base (1); It is characterized by: A circular arc plate (3) is provided on the top of the support plate (2), a mounting groove is provided between the circular arc plate (3) and the support plate (2), the circular arc plate (3) and the support plate (2) are rotatably connected to a connecting ring (4) through the mounting groove, and a locking assembly (5) for limiting the connecting ring (4) is provided on one side of the circular arc plate (3) and the support plate (2), and the locking assembly (5) comprises: A locking plate (51), wherein the locking plate (51) is slidably engaged with one side of the arc plate (3) and the support plate (2); A locking rod (52) is fixedly connected to a side of the locking plate (51) facing the connecting collar (4), and one side of the connecting collar (4) is provided with positioning holes (53) matching the locking rod (52) in an annular array.

2. A support mechanism according to claim 1, characterized in that: The bottom of the arc plate (3) is symmetrically fixedly connected with a connecting plate (54), and the top of the support plate (2) is symmetrically provided with a connecting groove, and the outer wall of the connecting plate (54) is slidably engaged with the inner cavity of the connecting groove.

3. A support mechanism according to claim 2, characterized in that: The top of the locking plate (51) is fixedly connected to a first fixing block (55), and the first fixing block (55) is slidably engaged with one side of the arc plate (3). The bottom of the locking plate (51) is fixedly connected to a second fixing block (56), and the second fixing block (56) is slidably engaged with one side of the support plate (2).

4. A support mechanism according to claim 3, characterized in that: One side of the first fixed block (55) is fixedly connected to a first limiting rod (57), and the outer wall of the first limiting rod (57) is slidably inserted and sleeved with the arc plate (3). One side of the second fixed block (56) is fixedly connected to a second limiting rod (58), and one side of the support plate (2) and one side of the connecting plate (54) are both provided with through holes, and the outer wall of the second limiting rod (58) is slidably sleeved with the through holes.

5. A support mechanism according to claim 4, characterized in that: A connecting piece (59) is symmetrically fixedly connected to one side of the support plate (2), a limiting plate (511) is provided inside the connecting piece (59), and the limiting plate (511) is symmetrically fixedly connected to a limiting block (512) on one side facing the second fixing block (56), and a clamping groove is symmetrically opened on one side of the second fixing block (56), and the outer wall of the limiting block (512) is slidably clamped with the inner cavity of the clamping groove.

6. A support mechanism according to claim 5, characterized in that: The connecting member (59) is fixedly connected to a guide rod (510) inside, and the outer wall of the guide rod (510) is slidably inserted and sleeved with the limit plate (511). The outer wall of the guide rod (510) is slidably sleeved with a limit spring (513), and the limit spring (513) is located on the side of the limit plate (511) away from the limit block (512).

7. A centrifugal fan, characterized in that: The centrifugal fan includes the support mechanism according to any one of claims 1 to 6.

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