Novel large-air-volume low-noise turbofan

Abstract

The utility model belongs to the technical field of turbofans, and particularly relates to a novel large-air-volume low-noise turbofan which comprises a fan shell, a noise reduction shell is arranged on the lower surface of the fan shell, four fixing columns are fixedly connected to the inner wall of the right side of the noise reduction shell, moving blocks are arranged on the outer surfaces of the fixing columns in a sleeved mode, and the moving blocks are fixedly connected to the inner wall of the right side of the noise reduction shell. Four springs are fixedly connected to the inner wall of the right side of the noise reduction shell, a moving block is fixedly connected to the other end of each spring, a second rotating column is movably installed on the upper surface of the moving block, the outer surface of the second rotating column is sleeved with a rotating strip, and a first rotating column is movably installed on the lower surface of the fan shell; the outer surface of the first rotating column is sleeved with a rotating strip. The motor is reasonable in structure, and can absorb the vibration generated by the operation of the motor, thereby reducing the noise generated by the operation of the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of turbine fans, specifically to a novel turbine fan with large air volume and low noise. Background Art

[0002] Fan is the customary abbreviation for gas compression and gas delivery machinery in my country. The fans usually mentioned include ventilators, blowers, and wind turbines. Gas compression and gas delivery machinery is a machine that converts the mechanical energy of rotation into gas pressure energy and kinetic energy and delivers the gas.

[0003] However, when the existing fans are in use, since the motor needs to work to drive the fan blades to rotate, the motor will produce violent vibrations, causing the fan to vibrate as a whole, which will make the fan produce a lot of noise. The noise will affect nearby workers and is not conducive to the use of the fan. Summary of the invention

[0004] The utility model aims to provide a novel turbine fan with large air volume and low noise, which can absorb the vibration generated by the operation of the motor, thereby reducing the noise generated by the operation of the utility model.

[0005] To achieve the above-mentioned objectives, the technical solution adopted by the utility model is: to provide a new type of large-air-volume and low-noise turbine fan, including a fan housing, a noise reduction housing is provided on the lower surface of the fan housing, a fixing column is fixedly connected to the right inner wall of the noise reduction housing, the number of the fixing columns is four, the other end of the fixing column is fixedly connected to a sleeve, the outer surface of the fixing column is sleeved with a moving block, the right inner wall of the noise reduction housing is fixedly connected to a spring, the number of the springs is four, the other end of the spring is fixedly connected to the moving block, the front side surface of the moving block is fixedly connected to a hollow column, the outer surface of the hollow column is fixedly connected to a rubber ring, the upper surface of the moving block is movably mounted with a second rotating column, the number of the second rotating columns is four, the outer surface of the second rotating column is sleeved with a rotating bar, and the lower surface of the fan housing is movably mounted with a first rotating column, the number of the first rotating columns is four, and the outer surface of the first rotating column is sleeved with a rotating bar.

[0006] Optionally, the fixing column is located inside the spring, and a shock absorbing strip is fixedly connected to the right side surface of the fan housing, and the number of the shock absorbing strips is four.

[0007] Optionally, a stabilizing plate is fixedly connected to the interior of the fan housing, and a fixing plate is fixedly connected to the interior of the fan housing.

[0008] Optionally, a rotating shaft is movably mounted on the left side of the fixed plate, a tooth groove is provided on the outer surface of the rotating shaft, a plurality of tooth grooves are provided, a mounting groove is provided inside the fan housing, and a motor is fixedly connected to the right side wall of the mounting groove.

[0009] Optionally, a gear is fixedly connected to the output end of the motor, and the gear is meshingly connected with the tooth groove.

[0010] Optionally, fan blades are fixedly connected to the outer surface of the rotating shaft, and the number of the fan blades is multiple, and the fan blades are located inside the fan housing.

[0011] Optionally, a front side surface of the fan housing is fixedly connected with an anti-touch net, and the anti-touch net is located on the left side of the rotating shaft.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model is provided with a fan housing, a rotating bar, a first rotating column, a second rotating column, a fixed column, a moving block and a spring. When working, the fan housing vibrates, driving the fan housing to shake up and down, so that the rotating bar rotates along the first rotating column, thereby driving the second rotating column to move along the direction of the fixed column, and then driving the moving block to move along the fixed column, thereby driving the hollow column to move along the fixed column, and then driving the rubber ring to move along the fixed column, so that air can be pumped in the sleeve, and the energy generated by the vibration of the fan housing is consumed by the sleeve pumping, so that the noise generated by the fan is reduced. The utility model can absorb the vibration generated by the motor, thereby reducing the noise generated by the utility model.

[0014] The utility model is provided with gears, a rotating shaft, tooth grooves, a motor and fan blades. The diameter of the gear is larger than the diameter of the rotating shaft, and the gear is meshed with the tooth grooves, so that the motor of the same model can provide a faster rotation speed for the fan blades, thereby increasing the air output of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of a partially cutaway three-dimensional structure of the utility model from a first viewing angle;

[0018] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4It is a partial three-dimensional structural schematic diagram of the utility model;

[0020] Figure 5 It is a schematic diagram of a partially cutaway three-dimensional structure of the utility model from a second viewing angle;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the hollow column of the utility model.

[0022] In the figure: 1. fan housing; 2. noise reduction housing; 3. first rotating column; 4. fixed column; 5. sleeve; 6. spring; 7. moving block; 8. second rotating column; 9. rotating bar; 10. shock-absorbing bar; 11. stabilizing plate; 12. fixed plate; 13. mounting groove; 14. motor; 15. gear; 16. rotating shaft; 17. fan blade; 18. tooth groove; 19. anti-touch net; 20. hollow column; 21. rubber ring. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by 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 used to limit the present invention.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] Reference Figure 1-6, a new type of high air volume and low noise turbine blower provided by an embodiment of the utility model is now described. A new type of high air volume and low noise turbine blower includes a fan casing 1. When working, the fan casing 1 vibrates, driving the fan casing 1 to shake up and down, so that the rotating bar 9 rotates along the first rotating column 3, thereby driving the second rotating column 8 to move along the direction of the fixed column 4, and then driving the moving block 7 to move along the fixed column 4, thereby driving the hollow column 20 to move along the fixed column 4, and then driving the rubber ring 21 to move along the fixed column 4, so that air can be pumped in the sleeve 5. The energy generated by the vibration of the fan casing 1 during operation is consumed by the air pumping of the sleeve 5, so that the noise generated by the operation of the fan is reduced; a noise reduction shell 2 is provided on the lower surface of the fan casing 1. The noise reduction shell 2 is made of sound-absorbing cotton material, and the right inner wall of the noise reduction shell 2 is fixedly connected with A fixed column 4, the number of which is four, a sleeve 5 is fixedly connected to the other end of the fixed column 4, a moving block 7 is sleeved on the outer surface of the fixed column 4, a hollow column 20 is fixedly connected to the front side of the moving block 7, a rubber ring 21 is fixedly connected to the outer surface of the hollow column 20, a spring 6 is fixedly connected to the right inner wall of the noise reduction shell 2, the number of which is four, a moving block 7 is fixedly connected to the other end of the spring 6, a second rotating column 8 is movably installed on the upper surface of the moving block 7, the number of which is four, a rotating bar 9 is sleeved on the outer surface of the second rotating column 8, a first rotating column 3 is movably installed on the lower surface of the fan shell 1, the number of which is four, a rotating bar 9 is sleeved on the outer surface of the first rotating column 3.

[0028] Compared with the prior art, the novel turbo fan with large air volume and low noise provided by the utility model can absorb the vibration generated by the operation of the motor 14, thereby reducing the noise generated by the operation of the utility model.

[0029] In another embodiment of the present invention, please refer to Figures 1 to 6The fixing column 4 is located inside the spring 6. A shock absorbing strip 10 is fixedly connected to the right side of the fan housing 1. The shock absorbing strip 10 can prevent the fan housing 1 from shaking due to collision with the upper side of the noise reduction housing 2. There are four shock absorbing strips 10. A stabilizing plate 11 is fixedly connected to the inside of the fan housing 1. A fixing plate 12 is fixedly connected to the inside of the fan housing 1. A rotating shaft 16 is movably installed on the left side of the fixing plate 12. A tooth groove 18 is provided on the outer surface of the rotating shaft 16. There are multiple tooth grooves 18. An installation groove 13 is provided inside the fan housing 1. The installation groove The right side wall of 13 is fixedly connected to a motor 14, and the output end of the motor 14 is fixedly connected to a gear 15, which is meshed with a tooth groove 18. The diameter of the gear 15 is larger than the diameter of the rotating shaft 16, so that the same type of motor can provide a faster rotation speed to the fan blade 17, so that the air output of the utility model is increased, and the outer surface of the rotating shaft 16 is fixedly connected to the fan blade 17, and the number of the fan blade 17 is multiple. The fan blade 17 is located inside the fan housing 1, and the front side of the fan housing 1 is fixedly connected to an anti-touch net 19, and the anti-touch net 19 is located on the left side of the rotating shaft 16.

[0030] Working principle: During operation, the fan housing 1 vibrates, driving the fan housing 1 to shake up and down, so that the rotating bar 9 rotates along the first rotating column 3, thereby driving the second rotating column 8 to move along the direction of the fixed column 4, and then driving the moving block 7 to move along the fixed column 4, thereby driving the hollow column 20 to move along the fixed column 4, and then driving the rubber ring 21 to move along the fixed column 4, so that air can be extracted in the sleeve 5. The energy generated by the vibration of the fan housing 1 is consumed by the exhaust of the sleeve 5, so that the noise generated by the operation of the fan is reduced.

[0031] 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 novel high-volume, low-noise turbo fan, comprising a fan housing (1), characterized in that: The lower surface of the fan housing (1) is provided with a noise reduction housing (2); a fixing column (4) is fixedly connected to the right inner wall of the noise reduction housing (2); the number of the fixing columns (4) is four; a sleeve (5) is fixedly connected to the other end of the fixing column (4); a moving block (7) is sleeved on the outer surface of the fixing column (4); a spring (6) is fixedly connected to the right inner wall of the noise reduction housing (2); the number of the springs (6) is four; the other end of the spring (6) is fixedly connected to the moving block (7); the moving block (7) ) is fixedly connected to the front side of the fan housing (1), and a rubber ring (21) is fixedly connected to the outer surface of the hollow column (20); a second rotating column (8) is movably mounted on the upper surface of the moving block (7); the number of the second rotating columns (8) is four, and the outer surface of the second rotating column (8) is sleeved with a rotating bar (9); a first rotating column (3) is movably mounted on the lower surface of the fan housing (1), and the number of the first rotating columns (3) is four, and the outer surface of the first rotating column (3) is sleeved with a rotating bar (9).

2. The novel high air volume and low noise turbo blower according to claim 1 is characterized in that: The fixing column (4) is located inside the spring (6), and a shock absorbing strip (10) is fixedly connected to the right side surface of the fan housing (1), and the number of the shock absorbing strips (10) is four.

3. The novel high air volume and low noise turbo blower according to claim 1 is characterized in that: A stabilizing plate (11) is fixedly connected to the interior of the fan housing (1), and a fixing plate (12) is fixedly connected to the interior of the fan housing (1).

4. The novel high air volume and low noise turbo blower according to claim 3 is characterized in that: A rotating shaft (16) is movably mounted on the left side of the fixed plate (12), and a tooth groove (18) is provided on the outer surface of the rotating shaft (16). The number of the tooth grooves (18) is plural. A mounting groove (13) is provided inside the fan housing (1), and a motor (14) is fixedly connected to the right side wall of the mounting groove (13).

5. The novel high air volume and low noise turbo blower according to claim 4 is characterized in that: The output end of the motor (14) is fixedly connected with a gear (15), and the gear (15) is meshingly connected with the tooth groove (18).

6. The novel high air volume and low noise turbo blower according to claim 4, characterized in that: The outer surface of the rotating shaft (16) is fixedly connected with a fan blade (17), the number of the fan blade (17) is multiple, and the fan blade (17) is located inside the fan housing (1).

7. The novel high air volume and low noise turbo blower according to claim 1 is characterized in that: The front side of the fan housing (1) is fixedly connected with an anti-touch net (19), and the anti-touch net (19) is located on the left side of the rotating shaft (16).

Images