Tripod for double-impeller centrifugal fan

Abstract

The utility model relates to the technical field of centrifugal fan supports, and discloses a tripod for a double-impeller centrifugal fan, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting column, the inner wall of the supporting column is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a first support, one end of the first support is fixedly connected with a table top, and the other end of the first support is fixedly connected with a second support. A disc is fixedly connected to the outer wall of the table top, a first motor is fixedly connected to the inner wall of the table top, a gear is fixedly connected to the output end of the first motor, a sliding rail is fixedly connected to the interior of the disc, a sliding block is slidably connected to the outer wall of the sliding rail, a clamping arm is fixedly connected to the outer wall of the sliding block, and a clamping assembly is arranged in the disc. According to the double-impeller centrifugal fan device, the first motor, the disc, the sliding module, the buckle and the rotating shaft are matched, the double-impeller centrifugal fan device is clamped, on one hand, the operation stability of the device is improved, and on the other hand, vibration generated during operation of the device can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal fan brackets, in particular to a tripod for a double-impeller centrifugal fan. Background Art

[0002] Centrifugal fans are often used in the fields of ventilation, air conditioning, gas delivery and emission control. In ventilation systems, they can effectively provide or exhaust air to maintain a comfortable indoor environment. In air conditioning systems, dual-impeller centrifugal fans are used to circulate and distribute cold and hot air to maintain a constant indoor temperature. It can be seen that centrifugal fans play a key role in life, but centrifugal fans cannot be placed alone and need to be supported and fixed by brackets. Therefore, brackets for centrifugal fans are also produced to support and reinforce the overall structure of centrifugal fans to ensure the smooth operation of the device.

[0003] After searching, a centrifugal fan bracket structure is disclosed in the announcement number: CN201836124U, including a bracket base, an iron frame, and an outer shell arranged in sequence from bottom to top, the bracket base and the iron frame are welded, and the iron frame and the outer shell are welded. The utility model achieves the purpose of simple structure, stable operation of the fan, and low vibration value, but the structure is single and cannot guarantee the stability of the operation of the device, and the area occupied during installation is too large. In addition, the welding method can no longer be disassembled and installed. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a tripod for a double-impeller centrifugal fan, aiming to improve the problems that the bracket of the centrifugal fan is not stable enough, the vibration generated during operation affects the entire structure, and the structure occupies too large an area.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tripod for a double-impeller centrifugal fan, comprising a base plate, the upper surface of the base plate is fixedly connected to a support column, the inner wall of the support column is fixedly connected to a fixed plate, the upper surface of the fixed plate is fixedly connected to a first bracket, one end of the first bracket is fixedly connected to a table, the outer wall of the table is fixedly connected to a disc, the inner wall of the table is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a gear, the inside of the disc is fixedly connected to a slide rail, the outer wall of the slide rail is slidably connected to a slider, the outer wall of the slider is fixedly connected to a clamping arm, and a clamping assembly is arranged inside the disc.

[0006] Furthermore, the clamping assembly includes a clamping arm, a first buckle is fixedly connected to one side of the outer wall of the clamping arm, a bayonet is rotatably connected inside the first buckle, a connecting rod is fixedly connected to the outer wall of the bayonet, a rotating shaft is fixedly connected to one end of the connecting rod, and the outer wall of the rotating shaft is rotatably connected inside the gear.

[0007] Furthermore, a second bracket is fixedly connected to the upper surface of the bottom plate, a base is fixedly connected to the upper surface of the second bracket, a second motor is fixedly connected to the inner wall of the base, and a belt is provided on the inner wall of the output end of the second motor.

[0008] Furthermore, a rubber pad is provided on the upper surface of the base, and a support rod is fixedly connected to the upper surface of the rubber pad.

[0009] Furthermore, a transmission shaft is disposed on the inner wall of the belt, an impeller is fixedly connected to the outer wall of the transmission shaft, and a cover is disposed on the outer wall of the impeller.

[0010] Furthermore, a second buckle is fixedly connected to the inner wall of the support column, a button is slidably connected inside the second buckle, a spring is provided inside the second buckle, one end of the spring is fixedly connected to the button, the other end of the spring is fixedly connected to a partition, and a steel ball is slidably connected to one side of the partition.

[0011] Furthermore, a third buckle is slidably connected inside the second buckle, and one side of the third buckle is fixedly connected to the inner wall of the support column.

[0012] Furthermore, a roller is fixedly connected to the lower surface of the bottom plate, a third bracket is fixedly connected to the outer wall of the roller, a retractable bracket is fixedly connected inside the third bracket, and one end of the retractable bracket is fixedly connected to the lower surface of the bottom plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the double-impeller centrifugal fan device is clamped by the cooperation between the first motor, the disc, the sliding module, the buckle and the rotating shaft, which improves the stability of the device operation on the one hand and reduces the vibration generated during the operation of the device on the other hand.

[0015] 2. In the utility model, the first clip and the third clip are engaged with each other, so that the overall structure of the centrifugal fan can be quickly disassembled, which can facilitate operators to quickly disassemble and assemble the double-impeller centrifugal fan. The simple installation also facilitates later repair and maintenance. In addition, a third bracket for mounting on the wall is provided under the device, which can firmly fix the entire device on the wall and reduce the actual area occupied by the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a tripod for a double-impeller centrifugal fan proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the supporting column structure of a tripod for a double-impeller centrifugal fan proposed by the utility model;

[0018] Figure 3This is a schematic diagram of the structure of the contraction frame part of a tripod for a double-impeller centrifugal fan proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the clamping arm portion of a tripod for a double-impeller centrifugal fan proposed by the utility model;

[0020] Figure 5 for Figure 4 The enlarged view of point A in the middle;

[0021] Figure 6 This is a cross-sectional view of the internal structure of a second buckle of a tripod for a double-impeller centrifugal fan proposed by the utility model.

[0022] Legend:

[0023] 1. Bottom plate; 2. Second bracket; 3. Base; 4. Rubber pad; 5. Support rod; 6. Second motor; 7. Belt; 8. Transmission shaft; 9. Cover; 10. Impeller; 11. Clamp arm; 12. Disc; 13. First motor; 14. Table; 15. First bracket; 16. Support column; 17. Fixed plate; 18. Second buckle; 19. Third buckle; 20. Button; 21. Spring; 22. Partition; 23. Steel ball; 24. Slide rail; 25. Slider; 26. First buckle; 27. Pin; 28. Connecting rod; 29. ​​Rotating shaft; 30. Gear; 31. Third bracket; 32. Retractable frame; 33. Roller. DETAILED DESCRIPTION

[0024] 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.

[0025] Reference Figure 1 , Figure 4 and Figure 5The utility model provides an embodiment: a tripod for a double-impeller centrifugal fan, including a bottom plate 1, a support column 16 is fixedly connected to the upper surface of the bottom plate 1, a fixing plate 17 is fixedly connected to the inner wall of the support column 16, a first bracket 15 is fixedly connected to the upper surface of the fixing plate 17, one end of the first bracket 15 is fixedly connected to a table 14, a disc 12 is fixedly connected to the outer wall of the table 14, a first motor 13 is fixedly connected to the inner wall of the table 14, and a gear 3 is fixedly connected to the output end of the first motor 13 0, a slide rail 24 is fixedly connected inside the disc 12, a slider 25 is slidably connected to the outer wall of the slide rail 24, a clamping arm 11 is fixedly connected to the outer wall of the slider 25, a clamping assembly is arranged inside the disc 12, the clamping arm assembly includes the clamping arm 11, a first buckle 26 is fixedly connected to one side of the outer wall of the clamping arm 11, a bayonet 27 is rotatably connected inside the first buckle 26, a connecting rod 28 is fixedly connected to the outer wall of the bayonet 27, a rotating shaft 29 is fixedly connected to one end of the connecting rod 28, and a gear 30 is rotatably connected to the inner wall of the rotating shaft 29.

[0026] Specifically, the first bracket 15 provides support for the first motor 13, and the disc 12 is fixed on one side of the table 14 to ensure the smooth operation of the equipment. When the first motor 13 is started, it drives the gear 30 to rotate. The gear 30 is connected to a rotating shaft 29. The rotating shaft 29 and the bayonet 27 are fixed at both ends of the connecting rod 28, so that the gear 30 can drive the bayonet 27. The bayonet 27 is inside the first buckle 26, thereby driving the clamping arm 11 on the first buckle 26 to move until the centrifugal fan body is clamped. The bottom of the clamping arm 11 is connected to a slider 25 to ensure that the clamping arm 11 slides on the slide rail 24.

[0027] Reference Figure 1 and Figure 2 A second bracket 2 is fixedly connected to the upper surface of the bottom plate 1, a base 3 is fixedly connected to the upper surface of the second bracket 2, a second motor 6 is fixedly connected to the inner wall of the base 3, a belt 7 is provided on the inner wall of the output end of the second motor 6, a rubber pad 4 is provided on the upper surface of the base 3, a support rod 5 is fixedly connected to the upper surface of the rubber pad 4, a transmission shaft 8 is provided on the inner wall of the belt 7, an impeller 10 is fixedly connected to the outer wall of the transmission shaft 8, and a cover 9 is provided on the outer wall of the impeller 10.

[0028] Specifically, a plurality of second brackets 2 are fixed on the bottom plate 1 for supporting the second motor 6. A base 3 is provided above the second bracket 2. A plurality of rubber pads 4 are placed on the base 3 for reinforcing the second motor 6 when it is installed on the base 3 and protecting the second motor 6 from collision. The second motor 6 serves as a power source for the centrifugal fan, and a belt 7 is fixedly connected to an output end thereof. The belt 7 in turn drives a transmission shaft 8 to rotate. An impeller 10 is provided on the transmission shaft 8. The cover 9 serves as a protective cover for the impeller 10 on the one hand, and guides the wind flow on the other hand.

[0029] Reference Figure 2 , Figure 3 and Figure 6 A second buckle 18 is fixedly connected to the inner wall of the support column 16, a button 20 is slidably connected inside the second buckle 18, a spring 21 is arranged inside the second buckle 18, one end of the spring 21 is fixedly connected to the button 20, and the other end of the spring 21 is fixedly connected to a partition 22, one side of the partition 22 is slidably connected to a steel ball 23, a third buckle 19 is slidably connected inside the second buckle 18, one side of the third buckle 19 is fixedly connected to the inner wall of the support column 16, a roller 33 is fixedly connected to the lower surface of the bottom plate 1, and the outer wall of the roller 33 is fixedly connected to the third bracket 31, a retractable frame 32 is fixedly connected inside the third bracket 31, and one end of the retractable frame 32 is fixedly connected to the lower surface of the bottom plate 1.

[0030] Specifically, when the button 20 is pressed, the button 20 drives the spring 21 to slide into the second buckle 18. At this time, the partition 22 is squeezed by the spring 21 and moves. The partition 22 pushes the steel ball 23 inside the third buckle 19 to move, so that the third buckle 19 is disengaged from the second buckle 18, thereby unfolding the support column 16 to facilitate the installation and disassembly of the centrifugal fan drive shaft 8. During the whole process, the third bracket 31 is connected to the base plate 1 through the roller 33, so that the third bracket 31 can be folded under the base plate 1, and can be easily unfolded when it needs to be installed on the wall. The retractable frame 32 is used to support the connection point between the base plate 1 and the third bracket 31.

[0031] Working principle: When installing the centrifugal fan equipment, the second buckle 18 and the third buckle 19 on the inner wall of the support column 16 should be opened, and the button 20 on the second buckle 18 should be pressed. The spring 21 will push the partition 22 forward, and the steel ball 23 in the third buckle 19 will shrink, and the support column 16 will be unfolded so that its transmission shaft 8 can be placed on the support column 16. The first motor 13 will work to drive its gear 30 to rotate. There is a rotating shaft 29 on the gear 30. The connecting rod 28 is the connecting end of the rotating shaft 29 and the bayonet pin 27, which will pull the clamp arm 1 fixed on the first buckle 26. 1. A slider 25 is provided at the bottom of the clamp arm 11, which enables the clamp arm 11 to move on the slide rail 24 to control the spacing thereof until the centrifugal fan body is clamped and the equipment is fixed to ensure stable operation. The second motor 6, which is the power source of the centrifugal fan, is installed on the base 3. A rubber pad 4 is also placed on the base 3. A support rod 5 for fixing the second motor 6 is provided on the rubber pad 4 to reduce the collision of the second motor 6. A foldable third bracket 31 is provided under the bottom plate 1. The third bracket 31 can be unfolded during installation to fix the centrifugal fan equipment on the wall for easy loading and unloading.

[0032] Finally, it should be noted that the above are only preferred embodiments of the present invention and are 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 substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tripod for a double-impeller centrifugal fan, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a support column (16); the inner wall of the support column (16) is fixedly connected to a fixed plate (17); the upper surface of the fixed plate (17) is fixedly connected to a first bracket (15); one end of the first bracket (15) is fixedly connected to a table (14); the outer wall of the table (14) is fixedly connected to a disk (12); the inner wall of the table (14) is fixedly connected to a first motor (13); the output end of the first motor (13) is fixedly connected to a gear (30); the inside of the disk (12) is fixedly connected to a slide rail (24); the outer wall of the slide rail (24) is slidably connected to a slider (25); the outer wall of the slider (25) is fixedly connected to a clamping arm (11); and a clamping assembly is arranged inside the disk (12).

2. The tripod for a double-impeller centrifugal fan according to claim 1, characterized in that: The clamping assembly comprises a clamping arm (11), a first buckle (26) is fixedly connected to one side of the outer wall of the clamping arm (11), a bayonet (27) is rotatably connected inside the first buckle (26), a connecting rod (28) is fixedly connected to the outer wall of the bayonet (27), a rotating shaft (29) is fixedly connected to one end of the connecting rod (28), and the outer wall of the rotating shaft (29) is rotatably connected to the inside of the gear (30).

3. The tripod for a dual-impeller centrifugal fan according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a second bracket (2), the upper surface of the second bracket (2) is fixedly connected to a base (3), the inner wall of the base (3) is fixedly connected to a second motor (6), and a belt (7) is provided on the inner wall of the output end of the second motor (6).

4. The tripod for a dual-impeller centrifugal fan according to claim 3, characterized in that: A rubber pad (4) is provided on the upper surface of the base (3), and a support rod (5) is fixedly connected to the upper surface of the rubber pad (4).

5. The tripod for a dual-impeller centrifugal fan according to claim 3, characterized in that: The inner wall of the belt (7) is provided with a transmission shaft (8), the outer wall of the transmission shaft (8) is fixedly connected with an impeller (10), and the outer wall of the impeller (10) is provided with a cover (9).

6. The tripod for a dual-impeller centrifugal fan according to claim 1, characterized in that: A second buckle (18) is fixedly connected to the inner wall of the support column (16), a button (20) is slidably connected inside the second buckle (18), a spring (21) is arranged inside the second buckle (18), one end of the spring (21) is fixedly connected to the button (20), the other end of the spring (21) is fixedly connected to a partition (22), and a steel ball (23) is slidably connected to one side of the partition (22).

7. The tripod for a dual-impeller centrifugal fan according to claim 6, characterized in that: A third buckle (19) is slidably connected inside the second buckle (18), and one side of the third buckle (19) is fixedly connected to the inner wall of the support column (16).

8. The tripod for a dual-impeller centrifugal fan according to claim 1, characterized in that: The lower surface of the bottom plate (1) is fixedly connected to a roller (33), the outer wall of the roller (33) is fixedly connected to a third bracket (31), the interior of the third bracket (31) is fixedly connected to a retractable bracket (32), and one end of the retractable bracket (32) is fixedly connected to the lower surface of the bottom plate (1).

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