Positioning and supporting structure for centrifugal fan and using method

Abstract

The invention discloses a centrifugal fan positioning and supporting structure and a using method.The structure comprises a connecting module, the connecting module comprises a shell (1), a mounting plate (2) is arranged at the top of the shell (1), a connecting shell (8) is arranged on one side of the shell (1), and a power module comprises a guide groove (19), an electric telescopic rod (10), a connecting block (11) and a driving assembly (9); the adjusting module is arranged in the connecting module, the adjusting module comprises a rotating assembly (7), a linkage assembly I (12), a linkage assembly II (13) and a rotating rod (3), a connecting seat (4) is arranged at the bottom of the rotating rod (3), a limiting assembly (5) is arranged at the bottom of the connecting seat (4), and a fine adjustment assembly (6) is arranged at the bottom of the limiting assembly (5). Through cooperation of the connecting module, the power module and the adjusting module, height and angle adjustment of the centrifugal fan is achieved, and flexibility and precision of installation of the centrifugal fan are improved.

Description

Technical Field

[0001] The present invention belongs to the field of centrifugal fan installation, and more specifically, relates to a positioning support structure for a centrifugal fan and a use method thereof. Background Art

[0002] The centrifugal fan is a widely used mechanical ventilation equipment. Its main function is to accelerate the gas through the rotating impeller and convert the kinetic energy of the gas into pressure energy in the diffuser, thereby achieving gas transportation and pressure increase. Correct installation and fixation can prevent the centrifugal fan from shifting or tilting during operation, which is crucial to ensure the safety of operators and prevent equipment damage. It can extend the service life of the fan, reduce failure rate and maintenance costs, and reduce maintenance time and costs. At present, in order to ensure the stability of the installation and to avoid direct contact between the centrifugal fan and the ground, the centrifugal fan will be installed on a positioning support structure. The existing positioning support structure for the installation of centrifugal fans is a support frame, which is fixedly connected to the centrifugal fan by screws or welding. The operation process is cumbersome, which brings certain inconveniences to the operator.

[0003] In order to solve the above problems, patent document CN201810775966.0 discloses a centrifugal fan for cellulose acetate propionate production that is easy to install, including a centrifugal fan body, a fixing seat is fixedly connected to the bottom of the centrifugal fan body near both sides, a bottom plate is fixedly connected to the bottom of the fixing seat, a bottom box is arranged directly below the centrifugal fan body, and the bottom of the bottom plate fits the top of the bottom box, a movable block is arranged on the side of the bottom plate away from the center of the bottom box, and a slot matching the movable block is opened near both sides of the top of the bottom box, and the distance between the two movable blocks is adjusted by rotating the hand wheel, so that the insertion rod is conveniently inserted into the inner cavity of the blind hole, thereby facilitating the fixing of the centrifugal fan. Compared with the existing technology, the technical solution is simple and easy to operate; through the setting of the limit rod, the slider and the slide slot, the movable block and the movable plate can move left and right and up and down more stably, avoiding the deflection of the movable block and the movable plate and causing the device to fail to operate. However, after the support frame and the centrifugal fan are fixedly connected, the centrifugal fan cannot adjust the angle and height.

[0004] In addition, patent document CN201620649178.3 discloses a cabinet centrifugal fan support structure, including a shaft sleeve, the front and rear ends of the support bracket are respectively the body connection end and the shaft connection end, the shaft connection ends of the multiple support brackets are in turn abutted against the outer peripheral wall of the shaft sleeve, the front and rear sides of the shaft connection end are respectively provided with a front through hole and a rear through hole, and the front through hole of each support bracket is connected to the rear through hole of the support bracket next to it; the shaft connection ends of all the support brackets are surrounded by a sleeve hole that can be sleeved on the sleeve, and chamfers are provided between the shaft connection end and the front through hole and the rear through hole, so that a plurality of recesses are provided on the sleeve hole, and a plurality of raised stoppers are provided in a circular array on the outer peripheral wall of the sleeve. Since the support bracket and the sleeve are arranged separately, they can be assembled, disassembled and maintained very quickly. Due to the setting of the stopper, mutual displacement between the support bracket and the sleeve can be prevented. However, after the support frame and the centrifugal fan are fixedly connected, the centrifugal fan cannot adjust the angle and height.

[0005] The existing support frame used to position and support the centrifugal fan cannot fine-tune the height of the centrifugal fan when in use. Conventional brackets need to be customized according to the installation height of the centrifugal fan, but due to the influence of the ground height on site, the customized size of the bracket will have errors in actual application. And after the support frame and the centrifugal fan are fixedly connected, when the centrifugal fan needs to adjust its angle, the support frame and the centrifugal fan need to change their direction as a whole, which is time-consuming and labor-intensive. Summary of the invention

[0006] In view of the above defects or improvement needs of the prior art, the present invention provides a positioning support structure for a centrifugal fan and a method of use.

[0007] The driving motor drives the driving screw to rotate, drives the toothed plate meshing with gear one to move toward the driving motor, pulls gear one and the externally threaded tube inside it to rotate through the toothed plate, and utilizes the threaded connection relationship between the externally threaded tube and the internally threaded rod. The rotation of the externally threaded tube can drive the internally threaded rod to rise, and the rising internally threaded rod lifts up the mounting plate and the centrifugal fan installed on the top of it, thereby fine-tuning the height of the centrifugal fan; and drives the rotating assembly to rotate by moving the toothed plate of the driving assembly toward the driving motor, and drives the linkage assembly two, linkage assembly one, bevel gear six, the third connecting rod, bevel gear five, bevel gear four, the rotating rod and the mounting plate to rotate in turn through the rotating assembly, thereby fine-tuning the angle of the centrifugal fan.

[0008] In order to achieve the above-mentioned object, according to a first aspect of the present invention, there is provided a positioning support structure for a centrifugal fan, comprising a connection module, which comprises a housing, a mounting plate for mounting and supporting the centrifugal fan is mounted on the top of the housing, and a connection shell is fixedly mounted on one side of the housing;

[0009] A power module, comprising a guide groove provided at the bottom of the connecting shell, an electric telescopic rod fixedly installed at the bottom of the guide groove, a connecting block fixedly installed at the output end of the electric telescopic rod, and a driving assembly fixedly installed on the upper part of the connecting block through a bracket;

[0010] And an adjustment module arranged inside the connecting module, which includes a rotating rod arranged at the bottom of the mounting plate, a connecting seat being rotatably installed at the bottom of the rotating rod through a bearing, a limiting assembly being provided at the bottom of the connecting seat, a fine-tuning assembly for fine-tuning the height of the centrifugal fan being provided at the bottom of the limiting assembly, a bevel gear four being fixedly installed on the surface of the rotating rod, the bevel gear four being meshingly connected with a bevel gear five, a third connecting rod being fixedly installed in the middle of the bevel gear five, a bevel gear six being fixedly installed on the surface of the third connecting rod, the bevel gear six being meshingly connected with a linkage assembly one, the linkage assembly one being meshingly connected with a linkage assembly two, the linkage assembly two being meshingly connected with a rotating assembly, and a bevel gear three being sleeved on the surface of the rotating assembly.

[0011] Furthermore, the fine-tuning component includes an externally threaded tube, the bottom of which is rotatably connected to the outer shell via a bearing, the inner thread of the externally threaded tube is threadedly connected to an internally threaded rod, and the surface of the externally threaded tube is fixedly connected to a gear 1.

[0012] Furthermore, the rotating assembly includes a rotating rod, which is connected to the bottom of the outer shell through a bearing. Two sliding grooves are opened on the surface of the rotating rod. A sliding block is slidably connected inside the sliding groove and fixedly connected to the inner wall of the bevel gear three. The surface of the rotating rod is fixedly sleeved with gear two.

[0013] The linkage assembly 1 comprises a first connecting rod, and two bevel gears 1 are fixedly sleeved on the surface of the first connecting rod.

[0014] Furthermore, the linkage assembly 2 includes a second connecting rod, and two bevel gears 2 are fixedly sleeved on the surface of the second connecting rod.

[0015] Furthermore, the linkage component 1 is meshed with the linkage component 2, the linkage component 1 is meshed with the bevel gear 6, and the linkage component 2 is meshed with the rotating component through the bevel gear 3.

[0016] The limit assembly includes a limit plate, the interior of the limit plate is rotatably connected to the first connecting rod through a bearing, a slider is provided on one side of the limit plate, and the slider is fixedly connected to the limit plate, a sliding groove is provided on one side of the inner cavity of the shell and is slidably connected to the slider, and the bottom of the limit plate is fixedly connected to the top of the internal threaded rod.

[0017] Furthermore, the third connecting rod and the second connecting rod are both rotatably connected to a fixing plate fixedly connected to the limiting plate via bearings.

[0018] Furthermore, the driving assembly includes a driving motor, a driving screw is installed on the output end of the driving motor through a coupling, a tooth plate is provided on the surface of the driving screw, which is threadedly connected to the driving screw, two guide rods are provided inside the tooth plate, and the tooth plate can slide along the guide rods, and a positioning plate is rotatably connected to the surface of the driving motor through a bearing, one side of the positioning plate is fixedly connected to one end of the two guide rods, the driving motor is fixedly connected to the connecting block through a bracket, and the tooth plate is meshingly connected to the fine-tuning assembly and the rotating assembly.

[0019] According to a second aspect of the present invention, a method for using a centrifugal fan positioning support structure is provided, which is implemented by using the centrifugal fan positioning support structure, and includes the following steps:

[0020] S100: Control the tooth plate and the gear to mesh through the driving assembly;

[0021] S200: Control the output end of the drive motor to rotate clockwise, drive the drive screw to rotate clockwise, and drive the toothed plate to approach the drive motor. At this time, the toothed plate pulls the gear 1 and the external threaded tube to rotate clockwise. Since the internal threaded rod is limited by the limit plate and cannot rotate, when the external threaded tube rotates clockwise, the internal threaded rod inside it will push the limit plate and the mounting plate to rise. The height of the centrifugal fan can be adjusted by adjusting the height of the mounting plate.

[0022] S300: By starting the electric telescopic rod, the output end of the electric telescopic rod pulls the connection block to reset. During the reset process of the connection block, the drive motor, the drive screw, the gear plate, and the guide rod are driven to move, and the guide rod and the gear are separated;

[0023] S400: starting the drive motor, driving the toothed plate to approach the drive motor until the end of the toothed plate close to the limit plate is no longer in the same horizontal line as the gear 1;

[0024] S500: Start the electric telescopic rod to push the connecting block, the driving motor, the driving screw, and the tooth plate to move to the side away from the electric telescopic rod, so that the tooth plate and the second gear are meshed;

[0025] S600: The drive motor is started again to continue to drive the toothed plate to move toward the drive motor. The toothed plate drives the meshing gear 2 to rotate. The rotation of the gear 2 drives the rotating rod to rotate. The rotating rod drives the bevel gear 3 to rotate through the connection relationship between the sliding groove and the sliding block. The bevel gear 3 drives the linkage component 1, the linkage component 2, the bevel gear 6, the third connecting rod, the bevel gear 5, the bevel gear 4, the rotating rod and the mounting plate to rotate. The mounting plate rotates and the angle of the centrifugal fan on its top changes, thereby adjusting the angle of the centrifugal fan.

[0026] S700: After the adjustment is completed, the electric telescopic rod pulls the connecting block, the drive motor, the drive screw and the gear plate to reset, and the gear plate and the gear are separated.

[0027] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0028] (1) The present invention provides a housing and a mounting plate, the top of the mounting plate can directly position and install the centrifugal fan, and the housing and its internal fine-tuning components, limit components, rotating rods, and connecting seat structures can effectively support the centrifugal fan;

[0029] (2) The present invention drives the driving screw to rotate by setting a driving motor, and the driving screw rotates to drive the toothed plate meshing with the gear one to move toward the driving motor, and the gear one and the externally threaded tube inside it can be pulled to rotate by the toothed plate. The threaded connection relationship between the externally threaded tube and the internally threaded rod is utilized, and the rotation of the externally threaded tube can drive the internally threaded rod to rise, and the mounting plate and the centrifugal fan installed on the top of it can be lifted upward by the internally threaded rod, so as to fine-tune the height of the centrifugal fan, reduce the error caused by the installation environment, and ensure the adaptability of the centrifugal installation;

[0030] (3) The present invention sets an electric telescopic rod to push the driving component to change its position, so that the tooth plate of the driving component and the second gear are meshed. The tooth plate of the driving component moves toward the driving motor to drive the rotating component to rotate, and the rotating component can sequentially drive the linkage component 2, the linkage component 1, the bevel gear 6, the third connecting rod, the bevel gear 5, the bevel gear 4, the rotating rod and the mounting plate to rotate. The centrifugal fan angle of the mounting plate and the top of the mounting plate can be changed by rotating the mounting plate, so that the centrifugal fan can be adapted to different angles. The angle can be adjusted without changing the position of the entire structure, and the adjustment difficulty is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the overall structure of a positioning support structure for a centrifugal fan according to an embodiment of the present invention;

[0032] Figure 2 This is a cross-sectional view of a housing for a centrifugal fan positioning support structure according to an embodiment of the present invention;

[0033] Figure 3 This is a partial structural cross-sectional view of a centrifugal fan positioning support structure according to an embodiment of the present invention;

[0034] Figure 4 for Figure 3 A is an enlarged schematic diagram of the local structure at center A;

[0035] Figure 5 This is a schematic diagram of the connection between a tooth plate, a driving screw and a guide rod used in a centrifugal fan positioning support structure according to an embodiment of the present invention;

[0036] Figure 6A partial top-sectional view of a connection shell for a centrifugal fan positioning support structure according to an embodiment of the present invention;

[0037] Figure 7 This is a schematic diagram of the positions of a rotating rod and an externally threaded pipe used in a centrifugal fan positioning support structure according to an embodiment of the present invention;

[0038] Figure 8 The present invention is a flowchart of a method for using a centrifugal fan positioning support structure according to an embodiment of the present invention.

[0039] In all the drawings, the same reference numerals represent the same technical features, specifically: 1-housing, 2-mounting plate, 3-rotating rod, 4-connecting seat, 5-limiting assembly, 51-limiting plate, 52-sliding block, 53-sliding groove, 6-fine-tuning assembly, 61-external threaded tube, 62-internal threaded rod, 63-gear 1, 7-rotating assembly, 71-rotating rod, 72-sliding groove, 73-sliding block, 74-gear 2, 8-connecting shell, 9-driving assembly, 91- Driving motor, 92-driving screw, 93-tooth plate, 94-guide rod, 95-positioning plate, 10-electric telescopic rod, 11-connecting block, 12-linkage component one, 121-first connecting rod, 122-conical gear one, 13-linkage component two, 131-second connecting rod, 132-conical gear two, 14-conical gear three, 15-conical gear four, 16-conical gear five, 17-third connecting rod, 18-conical gear six, 19-guide groove. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0041] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0042] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0043] In this patent, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "includes..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0044] like Figure 1-8As shown, an embodiment of the present invention provides a positioning support structure for a centrifugal fan, including a connection module, a power module and an adjustment module, wherein the connection module includes a shell 1, a mounting plate 2 for mounting and supporting the centrifugal fan is installed on the top of the shell 1, a connection shell 8 is fixedly installed on one side of the shell 1, the power module includes a guide groove 19 provided at the bottom of the connection shell 8, an electric telescopic rod 10 is fixedly installed at the bottom of the guide groove 19, a connection block 11 is fixedly installed at the output end of the electric telescopic rod 10, a drive assembly 9 is fixedly installed on the upper part of the connection block 11 through a bracket, and an adjustment module is arranged inside the connection module, which includes a rotating rod 3 provided at the bottom of the mounting plate 2, and the bottom of the rotating rod 3 A connecting seat 4 is rotatably installed through a bearing, a limiting assembly 5 is provided at the bottom of the connecting seat 4, and a fine-tuning assembly 6 for fine-tuning the height of the centrifugal fan is provided at the bottom of the limiting assembly 5. A bevel gear four 15 is fixedly installed on the surface of the rotating rod 3, and the bevel gear four 15 is meshingly connected with a bevel gear five 16. A third connecting rod 17 is fixedly installed in the middle of the bevel gear five 16, and a bevel gear six 18 is fixedly installed on the surface of the third connecting rod 17. The bevel gear six 18 is meshingly connected with a linkage assembly one 12, and the linkage assembly one 12 is meshingly connected with a linkage assembly two 13, and the linkage assembly two 13 is meshingly connected with a rotating assembly 7, and a bevel gear three 14 is sleeved on the surface of the rotating assembly 7. The device of the present invention controls the power module to drive the fine-tuning component 6 in the adjustment module to rotate, and lifts up the mounting plate 2 and the centrifugal fan installed on the top thereof, thereby fine-tuning the height of the centrifugal fan; the electric telescopic rod 10 in the power module is controlled to adjust the connection between the driving component 9 and the rotating component 7, and the driving component 9 drives the linkage component 2 13, the linkage component 1 12, the bevel gear 3 14, the bevel gear 4 15, the bevel gear 5 16, the third connecting rod 17, the bevel gear 6 18, the rotating rod 3 and the mounting plate 2 to rotate, thereby fine-tuning the angle of the centrifugal fan.

[0045] like Figure 2-4 and Figure 7 As shown, the fine-tuning component 6 includes an externally threaded tube 61, the bottom of which is rotatably connected to the outer shell 1 through a bearing, an internally threaded rod 62 is provided inside the externally threaded tube 61, and the internally threaded rod 62 is threadedly connected to the externally threaded tube 61, and a gear 63 is fixedly provided on the surface of the externally threaded tube 61. The driving component 9 rotates by driving the gear 63 to drive the externally threaded tube 61 and the internally threaded rod 62 to rotate. Through the cooperation of the fine-tuning component 6 and the driving component 9, the mounting plate 2 and the centrifugal fan installed on the top thereof can be lifted up, thereby achieving fine-tuning of the height of the centrifugal fan, eliminating errors during the installation process, and ensuring the balance and alignment of the fan.

[0046] like Figure 2-3 and Figure 7As shown, the rotating assembly 7 includes a rotating rod 71, which is connected to the bottom of the housing 1 through a bearing. Two sliding grooves 72 are provided on the surface of the rotating rod 71. The sliding grooves 72 are internally slidably connected to a sliding block 73 fixedly connected to the inner wall of the bevel gear three 14. A gear two 74 is fixedly sleeved on the surface of the rotating rod 71. The rotating assembly 7 drives the rotation of the supporting structure by meshing with the bevel gear three 14 to achieve angle adjustment of the fan. This structure adjusts multiple parts through a single driving force, thereby improving the flexibility of the structure and the convenience of operation.

[0047] like Figure 2-5 As shown, the driving assembly 9 includes a driving motor 91, and a driving screw 92 is installed at the output end of the driving motor 91 through a coupling. The surface of the driving screw 92 is provided with a tooth plate 93, which is threadedly connected to the driving screw 92. Two guide rods 94 are arranged inside the tooth plate 93, and the tooth plate 93 can slide along the guide rods 94. A positioning plate 95 is rotatably connected to the surface of the driving motor 91 through a bearing, and one side of the positioning plate 95 is fixedly connected to one end of the two guide rods 94. The driving motor 91 is fixedly connected to the connecting block 11 through a bracket. The driving assembly 9 drives the fine-tuning assembly 6 to rotate, and lifts up the mounting plate 2 and the centrifugal fan installed on the top thereof to achieve fine-tuning of the height of the centrifugal fan. The driving assembly 9 drives the rotating assembly 7, the linkage assembly 1 12 and the linkage assembly 2 13 through the electric telescopic rod 10 to achieve angle adjustment of the centrifugal fan, ensure that the installation height and angle of the fan meet the requirements, reduce the error caused by the installation environment, and improve the efficiency of installation and adjustment.

[0048] like Figure 3 As shown, the linkage assembly 12 includes a first connecting rod 121, and the surface of the first connecting rod 121 is fixedly sleeved with two bevel gears 122; the linkage assembly 2 13 includes a second connecting rod 131, and the surface of the second connecting rod 131 is fixedly sleeved with two bevel gears 132, the linkage assembly 12 is connected with the linkage assembly 2 13 by meshing, the linkage assembly 12 is meshed with the bevel gear 6 18, and the linkage assembly 2 13 is meshed with the rotating assembly 7 through the gear 2 74. The linkage assembly 12 and the linkage assembly 2 13 are connected by meshing, and when one component is driven, the other component will also move accordingly, realizing the mechanical linkage between different components, ensuring that the various components of the support structure of the centrifugal fan can be adjusted synchronously, and making the adjustment process of the fan more stable and accurate.

[0049] like Figure 2As shown, the limit assembly 5 includes a limit plate 51, the interior of the limit plate 51 is rotatably connected to the first connecting rod 121 through a bearing, the limit plate 51 is connected to the third connecting rod 17 and the second connecting rod 131 through a fixed plate, a slider 52 is provided on one side of the limit plate 51, and the slider 52 is fixedly connected to the limit plate 51, a slide groove 53 slidably connected to the slider 52 is provided on one side of the inner cavity of the shell 1, and the bottom of the limit plate 51 is fixedly connected to the top of the internal threaded rod 62. The limit assembly 5 is an indispensable part of the entire support structure, and it works in conjunction with other components such as the shell 1, the rotating rod 3, and the connecting seat 4 to ensure the integrity and functionality of the entire structure. When adjusting the height, the internal threaded rod 62 is limited to rotate, and the external threaded tube 61 is driven to rotate by the driving assembly 9, and the internal threaded rod 62 inside it pushes the limit plate 51 and its top structure to rise, so as to achieve accurate installation and adjustment of the fan.

[0050] Combination Figure 1-7 ,like Figure 8 As shown, the present invention provides a method for using a centrifugal fan positioning support structure. The specific steps of applying the centrifugal fan positioning support structure are as follows:

[0051] S100: Control the tooth plate 93 and the gear 1 63 to mesh through the driving assembly 9;

[0052] S200: Control the output end of the driving motor 91 to rotate clockwise, drive the driving screw 92 to rotate clockwise, and drive the toothed plate 93 to approach the driving motor 91. At this time, the toothed plate 93 pulls the gear 1 63 and the external threaded tube 61 to rotate clockwise. Since the internal threaded rod 62 is limited by the limiting plate 51 and cannot rotate, when the external threaded tube 61 rotates clockwise, the internal threaded rod 62 inside it will push the limiting plate 51 and the mounting plate 2 to rise. By adjusting the height of the mounting plate 2, the height of the centrifugal fan can be adjusted;

[0053] S300: By starting the electric telescopic rod 10, the output end of the electric telescopic rod 10 pulls the connection block 11 to reset. During the reset process of the connection block 11, the drive motor 91, the drive screw 92, the gear plate 93, and the guide rod 94 are driven to move, and the guide rod 94 and the gear 1 63 are separated;

[0054] S400: starting the driving motor 91, driving the toothed plate 93 to approach the driving motor 91 until the end of the toothed plate 93 close to the limit plate 51 is no longer on the same horizontal line as the gear 1 63;

[0055] S500: Start the electric telescopic rod 10 to push the connecting block 11, the driving motor 91, the driving screw 92, and the tooth plate 93 to move away from the electric telescopic rod 10, so that the tooth plate 93 and the second gear 74 are meshed;

[0056] S600: Start the driving motor 91 again to continue to drive the toothed plate 93 to move toward the driving motor 91, the toothed plate 93 drives the gear 2 74 meshing therewith to rotate, the rotation of the gear 2 74 drives the rotating rod 71 to rotate, the rotating rod 71 drives the bevel gear 3 14 to rotate through the connection relationship between the sliding slot 72 and the sliding block 73, the bevel gear 3 14 drives the linkage component 1 12, the linkage component 2 13, the bevel gear 6 18, the third connecting rod 17, the bevel gear 5 16, the bevel gear 4 15, the rotating rod 3 and the mounting plate 2 to rotate, the mounting plate 2 rotates, and the angle of the centrifugal fan on the top thereof changes, thereby adjusting the angle of the centrifugal fan;

[0057] S700: After the adjustment is completed, the electric telescopic rod 10 pulls the connecting block 11, the driving motor 91, the driving screw 92 and the gear plate 93 to reset, and the gear plate 93 and the gear 2 74 are separated.

[0058] The method of the present invention drives the driving screw to rotate by setting a driving motor, drives the toothed plate meshing with the gear one to move toward the driving motor, and pulls the gear one and the externally threaded tube inside it to rotate through the toothed plate. By utilizing the threaded connection relationship between the externally threaded tube and the internally threaded rod, the rotation of the externally threaded tube can drive the internally threaded rod to rise, and the mounting plate and the centrifugal fan installed on the top of it can be lifted up by the internally threaded rod, thereby fine-tuning the height of the centrifugal fan, reducing the error caused by the installation environment, and ensuring the adaptability of the centrifugal installation; by setting an electric telescopic rod to push the driving component to change its position, the driving component The toothed plate is meshed with gear 2, and the rotating assembly can be driven to rotate by moving the toothed plate of the driving assembly toward the driving motor. The rotating assembly can sequentially drive linkage assembly 2, linkage assembly 1, bevel gear 6, the third connecting rod, bevel gear 5, bevel gear 4, rotating rod and mounting plate to rotate. The centrifugal fan angle of the mounting plate and the top of the mounting plate can be changed by rotating the mounting plate, so that the centrifugal fan can be adapted to different angles. The angle can be adjusted without changing the position of the entire structure, and the adjustment difficulty is small, which improves the flexibility, accuracy and efficiency of the centrifugal fan installation, while ensuring the stability and reliability of the fan.

[0059] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning support structure for a centrifugal fan, characterized in that: include: A connection module, comprising a housing (1), a mounting plate (2) for mounting and supporting a centrifugal fan being mounted on the top of the housing (1), and a connection shell (8) being fixedly mounted on one side of the housing (1); A power module, comprising a guide groove (19) provided at the bottom of the connecting shell (8), an electric telescopic rod (10) being fixedly mounted at the bottom of the guide groove (19), a connecting block (11) being fixedly mounted at the output end of the electric telescopic rod (10), and a driving assembly (9) being fixedly mounted on the upper part of the connecting block (11) via a bracket; And an adjustment module arranged inside the connection module, comprising a rotating rod (3) arranged at the bottom of the mounting plate (2), a connecting seat (4) being rotatably mounted at the bottom of the rotating rod (3) through a bearing, a limiting assembly (5) being arranged at the bottom of the connecting seat (4), a fine adjustment assembly (6) for finely adjusting the height of the centrifugal fan being arranged at the bottom of the limiting assembly (5), a bevel gear four (15) being fixedly mounted on the surface of the rotating rod (3), the bevel gear four (15) being meshingly connected with a bevel gear five (16), a third connecting rod (17) being fixedly mounted in the middle of the bevel gear five (16), a bevel gear six (18) being fixedly mounted on the surface of the third connecting rod (17), the bevel gear six (18) being meshingly connected with a linkage assembly one (12), the linkage assembly one (12) being meshingly connected with a linkage assembly two (13), the linkage assembly two (13) being meshingly connected with a rotating assembly (7), and a bevel gear three (14) being sleeved on the surface of the rotating assembly (7).

2. A centrifugal fan positioning support structure according to claim 1, characterized in that: The fine-tuning assembly (6) comprises an externally threaded tube (61), the bottom of which is rotatably connected to the housing (1) via a bearing, the interior of the externally threaded tube (61) is threadedly connected to an internally threaded rod (62), and the surface of the externally threaded tube (61) is fixedly connected to a gear 1 (63).

3. A centrifugal fan positioning support structure according to claim 1, characterized in that: The rotating assembly (7) comprises a rotating rod (71), the rotating rod (71) being connected to the bottom of the housing (1) via a bearing, two sliding grooves (72) being provided on the surface of the rotating rod (71), a sliding block (73) being slidably connected inside the sliding groove (72) and being fixedly connected to the inner wall of the bevel gear three (14), and a gear two (74) being fixedly sleeved on the surface of the rotating rod (71).

4. A centrifugal fan positioning support structure according to any one of claims 1 to 3, characterized in that: The linkage assembly 1 (12) comprises a first connecting rod (121), and two bevel gears 1 (122) are fixedly sleeved on the surface of the first connecting rod (121).

5. A centrifugal fan positioning support structure according to claim 4, characterized in that: The linkage assembly 2 (13) comprises a second connecting rod (131), and two bevel gears 2 (132) are fixedly sleeved on the surface of the second connecting rod (131).

6. A centrifugal fan positioning support structure according to claim 5, characterized in that: The linkage component 1 (12) is meshed with the linkage component 2 (13), the linkage component 1 (12) is meshed with the bevel gear 6 (18), and the linkage component 2 (13) is meshed with the rotating component (7) via the bevel gear 3 (14).

7. A centrifugal fan positioning support structure according to any one of claims 1 to 3, characterized in that: The limiting assembly (5) comprises a limiting plate (51), the interior of the limiting plate (51) being rotatably connected to the first connecting rod (121) via a bearing, a sliding block (52) being provided on one side of the limiting plate (51) and being fixedly connected to the limiting plate (51), a sliding groove (53) being slidably connected to the sliding block (52) being provided on one side of the inner cavity of the outer shell (1), and the bottom of the limiting plate (51) being fixedly connected to the top of the internal threaded rod (62).

8. A centrifugal fan positioning support structure according to claim 7, characterized in that: The third connecting rod (17) and the second connecting rod (131) are both rotatably connected to a fixing plate fixedly connected to the limiting plate (51) via bearings.

9. A centrifugal fan positioning support structure according to any one of claims 1 to 3, characterized in that: The driving assembly (9) comprises a driving motor (91), the output end of the driving motor (91) is provided with a driving screw (92) via a coupling, the surface of the driving screw (92) is provided with a tooth plate (93) which is threadedly connected to the driving screw (92), two guide rods (94) are provided inside the tooth plate (93), the tooth plate (93) can slide along the guide rods (94), the surface of the driving motor (91) is rotatably connected with a positioning plate (95) via a bearing, one side of the positioning plate (95) is fixedly connected to one end of the two guide rods (94), the driving motor (91) is fixedly connected to the connecting block (11) via a bracket, and the tooth plate (93) is meshingly connected to the fine-tuning assembly (6) and the rotating assembly (7).

10. A method for using a centrifugal fan positioning support structure according to any one of claims 1 to 9, characterized in that: The steps include: S100: Controlling the tooth plate (93) and the gear 1 (63) to mesh via the driving assembly (9); S200: Control the output end of the driving motor (91) to rotate clockwise, driving the driving screw (92) to rotate clockwise, thereby driving the toothed plate (93) to approach the driving motor (91). At this time, the toothed plate (93) pulls the gear 1 (63) and the externally threaded tube (61) to rotate clockwise. Since the internally threaded rod (62) is limited by the limiting plate (51) and cannot rotate, when the externally threaded tube (61) rotates clockwise, the internally threaded rod (62) inside it will push the limiting plate (51) and the mounting plate (2) to rise. By adjusting the height of the mounting plate (2), the height of the centrifugal fan can be adjusted; S300: By starting the electric telescopic rod (10), the output end of the electric telescopic rod (10) pulls the connecting block (11) to reset. During the reset process of the connecting block (11), the driving motor (91), the driving screw rod (92), the tooth plate (93), and the guide rod (94) are driven to move, and the guide rod (94) and the gear 1 (63) are separated; S400: starting the driving motor (91) and driving the toothed plate (93) to move closer to the driving motor (91) until the end of the toothed plate (93) close to the limit plate (51) is no longer on the same horizontal line as the gear 1 (63); S500: starting the electric telescopic rod (10) to push the connecting block (11), the driving motor (91), the driving screw (92), and the tooth plate (93) to move to a side away from the electric telescopic rod (10), so that the tooth plate (93) and the second gear (74) are meshed; S600: The drive motor (91) is started again to continue driving the toothed plate (93) to move toward the drive motor (91), and the toothed plate (93) drives the gear 2 (74) meshing therewith to rotate. The rotation of the gear 2 (74) drives the rotating rod (71) to rotate. The rotating rod (71) drives the bevel gear 3 (14) to rotate through the connection relationship between the sliding groove (72) and the sliding block (73). The bevel gear 3 (14) drives the linkage component 1 (12), the linkage component 2 (13), the bevel gear 6 (18), the third connecting rod (17), the bevel gear 5 (16), the bevel gear 4 (15), the rotating rod (3) and the mounting plate (2) to rotate. When the mounting plate (2) rotates, the angle of the centrifugal fan on its top will change, thereby adjusting the angle of the centrifugal fan; S700: After the adjustment is completed, the electric telescopic rod (10) pulls the connecting block (11), the driving motor (91), the driving screw (92) and the tooth plate (93) to reset, and the tooth plate (93) and the gear 2 (74) are separated.

Images