Low-noise energy-saving air supply fan

Abstract

The utility model relates to the technical field of air supply fans, and provides a low-noise energy-saving air supply fan which comprises an outer shell, a fan body is installed in the outer shell, a fixing shell is fixedly installed on the outer surface of the outer shell, a double-shaft motor is installed in the fixing shell, a fixing shaft is fixedly installed at the output end of the double-shaft motor, and the fixing shaft is fixedly installed on the output end of the double-shaft motor. A connecting mechanism is installed outside the fixing shaft, through cooperation of the double-shaft motor, the connecting mechanism, the sealing plate and the cover plate, when the fan body is not used, the double-shaft motor controls the cover plate to rotate through the connecting mechanism, and at the moment, the cover plate can rotate to the exterior of the ventilation groove to shield the ventilation groove; the two sides of the fan body can be sealed, when the fan body is not used, external dust and small animals can be prevented from entering the shell, the function of sealing the outside when the fan body is not used is achieved, and the protection capacity of the outside of the fan body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of air supply fan, specifically a kind of low-noise energy-saving air supply fan, belong to air supply fan technical field. BACKGROUND

[0002] Cylinder fan is a kind of energy-saving, efficient and low-noise ventilation equipment, with high-speed rotating impeller inside, with advanced dynamic and static balance adjustment technology, it has the advantages of low power consumption, large air volume and low noise, so cylinder air supply fan has high efficiency in ventilation, widely used in hotel kitchen and office environment.

[0003] When cylinder air supply fan is used, fan body will be installed inside the cylindrical shell, when using, the both ends of cylindrical shell need to be opened to ensure normal air circulation, in some seasonal places such as holiday village, air supply fan is used for air circulation in guest room, fan is also installed outside the factory for conveying fresh air, since there is no structure for automatically closing cylindrical shell outside the air supply fan, when fan is not used, the outside of fan cannot be sealed, at this time, dust and sundries or small animals outside can easily enter the inside of pipe and fan to cause damage to equipment, reduce the protection ability of fan outside, to solve the above problems, we provide a kind of low-noise energy-saving air supply fan. CONTENT OF THE UTILITY MODEL

[0004] To solve the above problems, the utility model provides a kind of low-noise energy-saving air supply fan to solve the above problems, and the specific technical scheme is:

[0005] A kind of low-noise energy-saving air supply fan, including shell, fan body is installed in the inside of the shell, fixed shell is fixedly installed on the outer surface of the shell, double-shaft motor is installed in the inside of the fixed shell, fixed shaft is fixedly installed in the output end of the double-shaft motor, connecting mechanism is installed on the outside of the fixed shaft, fixed disc is installed on the outside of the connecting mechanism, rotating shaft is fixedly installed in the inside of the fixed disc, sealing plate is rotatably connected on the outer surface of the rotating shaft, ventilation groove is formed in the inside of the sealing plate, mounting plate is fixedly installed on the outer surface of the rotating shaft, a plurality of cover plates are fixedly installed on the outer surface of the mounting plate.

[0006] Preferably, the fixed shaft is provided with a plurality of groups and is rotatably connected with the inside of fixed shell, the inner wall of the shell is fixedly installed with fixed plate, the outer surface of the fixed plate is detachably connected with connecting plate, and the outer surface of the connecting plate is fixedly installed with the inner wall of the sealing plate.

[0007] Preferably, the connecting mechanism comprises a belt pulley one, the outer surface of the fixed shaft is fixedly installed with the inner part of the belt pulley one, the outer part of the fixed disc is detachably connected with a belt pulley two, and the inner parts of the belt pulley one and the belt pulley two are sleeved with a belt and driven by the belt.

[0008] Preferably, the outer surface of the mounting plate is fixedly installed with a limiting plate one and a limiting plate two respectively, the outer surface of the cover plate is in contact with the outer surfaces of the limiting plate one and the limiting plate two, and the outer surface of the cover plate is slidably connected with the inner part of the sealing plate.

[0009] Preferably, a plurality of groups of the cover plates correspond to the positions of the ventilation grooves, a plurality of groups of the sealing plates and the cover plates are symmetrically arranged in the inner part of the shell, and the outer surface of the sealing plate is slidably connected with the inner wall of the shell.

[0010] Preferably, the inner part of the sealing plate is slidably connected with a positioning rod, the outer surface of the positioning rod is fixedly installed with a moving plate, the inner part of the mounting plate is provided with a plurality of positioning holes, and the outer surface of the positioning rod is slidably connected with the inner part of the positioning hole.

[0011] Preferably, the outer part of the positioning rod is sleeved with a spring, one end of the spring is fixedly installed with the outer surface of the moving plate, and the other end of the spring is fixedly installed with the outer surface of the sealing plate.

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

[0013] 1、The low-noise energy-saving air supply fan is characterized in that the sealing plate and the cover plate can be installed in the inner part of the shell through the cooperation of the double-shaft motor, the connecting mechanism, the sealing plate and the cover plate, the cover plate is rotated to expose the ventilation groove when the fan body is used, at this time, the fan body can be rotated to perform the ventilation and air supply operation, the double-shaft motor controls the rotation of the cover plate through the connecting mechanism when the fan body is not used, at this time, the cover plate can be rotated to the outside of the ventilation groove to shield the ventilation groove, the two sides of the fan body can be sealed, the fan body can prevent external dust and small animals from entering the inner part of the shell when the fan body is not used, the function of sealing the outside when the fan body is not used is realized, and the protection capability of the outside of the fan body is improved.

[0014] 2、The low-noise energy-saving air supply fan is characterized in that the sealing plate can be fixed in the inner part of the shell through the fixing plate and the connecting plate by setting the spring and the inserting rod, the position of the cover plate can be positioned through the limiting plate one and the limiting plate two after the cover plate is rotated, the rotating angle of the cover plate can be limited, the inserting rod enters the inner part of the positioning hole under the pushing of the spring when the cover plate is rotated, the position of the cover plate can be secondarily fixed through the cooperation of the positioning hole and the inserting rod, and the cover plate can be stably positioned at the sealing or opening position when the double-shaft motor is not powered. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole internal schematic view of the utility model;

[0017] Figure 3 It is the shell component schematic view of the utility model;

[0018] Figure 4 It is the cover plate component schematic view of the utility model;

[0019] Figure 5 It is the sealing plate component schematic view of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, shell, 2, fan body, 3, fixed shell, 4, double-shaft motor, 5, fixed shaft, 6, connecting mechanism, 601, pulley one, 602, pulley two, 603, belt, 7, fixed disc, 8, rotating shaft, 9, sealing plate, 10, ventilation slot, 11, mounting plate, 12, cover plate, 13, fixed plate, 14, connecting plate, 15, limit plate one, 16, limit plate two, 17, positioning rod, 18, moving plate, 19, positioning hole, 20, spring. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings.

[0022] Please refer to Figure 1 - Figure 5 A low noise energy-saving air supply fan, including shell 1, the inside installation of shell 1 has fan body 2, the inside installation of fan body 2 has high-speed rotating impeller, it can carry out rotation after being driven by high-speed mute motor, and the angle of impeller can be adjusted along with the difference of use scene, can always keep suitable rotation angle, utilize the advanced dynamic static balance adjusting technology to make it have the advantages of low power consumption, large air volume and small noise, have good energy-saving effect.

[0023] The outer surface of shell 1 is fixedly installed with fixed shell 3, the inside installation of fixed shell 3 has double-shaft motor 4, the output end of double-shaft motor 4 is fixedly installed with fixed shaft 5, fixed shell 3 is installed on the outside of shell 1 by multiple groups of fixed bolts, fixed shaft 5 is provided with multiple groups and is all rotationally connected with the inside of fixed shell 3, and the rotation of the driving shaft of two groups on the two sides of double-shaft motor 4 can control the rotation of fixed shaft 5.

[0024] The outer part of the fixed shaft 5 is provided with a connecting mechanism 6, the outer part of the connecting mechanism 6 is provided with a fixed disc 7, the fixed disc 7 can be controlled to rotate through the connecting mechanism 6 by the rotation of the fixed shaft 5, the connecting mechanism 6 comprises a belt pulley one 601, the outer surface of the fixed shaft 5 is fixedly installed with the belt pulley one 601, the outer part of the fixed disc 7 is detachably connected with a belt pulley two 602, the inner parts of the belt pulley one 601 and the belt pulley two 602 are both sleeved with a belt 603 and are driven through the belt 603, the belt pulley two 602 can be controlled to rotate through the rotation of the belt pulley one 601 and the belt 603, the fixed disc 7 is connected with the belt pulley two 602 through a plurality of fixed bolts, the fixed disc 7 can be further controlled to rotate when the belt pulley two 602 rotates.

[0025] The inner part of the fixed disc 7 is fixedly installed with a rotating shaft 8, the outer surface of the rotating shaft 8 is rotatably connected with a sealing plate 9, the inner wall of the shell 1 is fixedly installed with a fixed plate 13, the outer surface of the fixed plate 13 is detachably connected with a connecting plate 14, the outer surface of the connecting plate 14 is fixedly installed with the inner wall of the sealing plate 9, the connecting plate 14 and the fixed plate 13 are connected through fixed bolts, the sealing plate 9 can be fixed in the inner part of the shell 1 through the fixed bolts, at this time the sealing plate 9 can provide support for the rotating shaft 8.

[0026] The inner part of the sealing plate 9 is provided with a ventilation groove 10, the ventilation groove 10 can control the air flow in the inner part of the shell 1 when the ventilation groove 10 is opened, the outer surface of the rotating shaft 8 is fixedly installed with a mounting plate 11, the outer surface of the mounting plate 11 is fixedly installed with a plurality of cover plates 12, the outer surface of the cover plate 12 is slidably connected with the inner part of the sealing plate 9, the plurality of cover plates 12 all correspond to the positions of the ventilation grooves 10, the sealing plate 9 and the cover plate 12 are both symmetrically provided with a plurality of groups in the inner part of the shell 1, the outer surface of the sealing plate 9 is slidably connected with the inner wall of the shell 1, the opening and closing of the ventilation groove 10 can be controlled through the rotation of the cover plate 12, when the fan body 2 is not used, the cover plate 12 is rotated to the position of the ventilation groove 10, at this time the ventilation groove 10 is closed, the two sides of the shell 1 are closed, the shell 1 can be closed, which has a protective effect on the pipeline and equipment and can prevent dust or small animals from entering the inner part of the equipment.

[0027] The outer surface of the mounting plate 11 is respectively fixedly installed with a limiting plate one 15 and a limiting plate two 16, the outer surface of the cover plate 12 is in contact with the outer surfaces of the limiting plate one 15 and the limiting plate two 16, the position of the cover plate 12 can be limited through the limiting plate one 15 and the limiting plate two 16, when the rotating shaft 8 rotates, the cover plate 12 can be in contact with the limiting plate one 15 and the limiting plate two 16, when the cover plate 12 is in contact with the limiting plate one 15, the ventilation groove 10 is closed, when the cover plate 12 is in contact with the limiting plate two 16, the ventilation groove 10 is opened.

[0028] The positioning rod 17 is slidably connected to the inside of the sealing plate 9, the outer surface of the positioning rod 17 is fixedly installed with a moving plate 18, the inside of the mounting plate 11 is provided with a plurality of positioning holes 19, the outer surface of the positioning rod 17 is slidably connected with the inside of the positioning hole 19, one end of the positioning rod 17 is a wedge-shaped structure, the outside of the positioning rod 17 is sleeved with a spring 20, one end of the spring 20 is fixedly installed with the outer surface of the moving plate 18, and the other end of the spring 20 is fixedly installed with the outer surface of the sealing plate 9. Under the pushing of the spring 20, part of the positioning rod 17 can enter the inside of the positioning hole 19, at this time, the positioning rod 17 can control the rotation of the mounting plate 11 by relying on the auxiliary resistance of the spring 20, and when the position of the cover plate 12 is fixed, the positioning rod 17 can play a role in stabilizing and limiting.

[0029] The electrical equipment in the application is a common electrical equipment in the prior art, and the type or internal structure thereof will not be described in detail, and the electrical equipment can also be replaced by other power sources.

[0030] In use, the sealing plate 9 is installed in the inside of the shell 1 through the connecting plate 14 and the fixed plate 13, the belt pulley one 601 is controlled to rotate through the rotation of the double-shaft motor 4, at this time, the belt pulley two 602 is controlled to rotate through the belt 603, the fixed disc 7 and the rotating shaft 8 are controlled to rotate through the belt pulley two 602, the cover plate 12 is further controlled to rotate, at this time, the cover plate 12 can be in contact with the limiting plate one 15 and the limiting plate two 16, when the cover plate 12 is in contact with the limiting plate one 15, the ventilation groove 10 is closed, when the cover plate 12 is in contact with the limiting plate two 16, the ventilation groove 10 is opened, the inside of the shell 1 is controlled to be opened and closed through the rotation of the cover plate 12, when the cover plate 12 rotates, the spring 20 can push the positioning rod 17 to move, at this time, the positioning rod 17 enters the inside of the positioning hole 19, and the mounting plate 11 is assisted and limited through the cooperation of the spring 20 and the positioning rod 17, so that the stability of the cover plate 12 is ensured when the cover plate 12 is limited.

[0031] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model, and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanations herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.

Claims

1. A low-noise, energy-saving air supply fan, comprising a housing (1), characterized in that: The fan body (2) is installed inside the outer shell (1). A fixed shell (3) is fixedly installed on the outer surface of the outer shell (1). A dual-axis motor (4) is installed inside the fixed shell (3). A fixed shaft (5) is fixedly installed at the output end of the dual-axis motor (4). A connecting mechanism (6) is installed outside the fixed shaft (5). A fixed disk (7) is installed outside the connecting mechanism (6). A rotating shaft (8) is fixedly installed inside the fixed disk (7). A sealing plate (9) is rotatably connected to the outer surface of the rotating shaft (8). A ventilation groove (10) is opened inside the sealing plate (9). An mounting plate (11) is fixedly installed on the outer surface of the rotating shaft (8). Multiple sets of cover plates (12) are fixedly installed on the outer surface of the mounting plate (11).

2. The low-noise energy-saving blower according to claim 1, characterized in that: The fixed shaft (5) is provided in multiple sets and is rotatably connected to the inside of the fixed shell (3). The inner wall of the shell (1) is fixedly installed with a fixed plate (13). The outer surface of the fixed plate (13) is detachably connected with a connecting plate (14). The outer surface of the connecting plate (14) is fixedly installed with the inner wall of the sealing plate (9).

3. The low-noise energy-saving air supply fan according to claim 1, characterized in that: The connecting mechanism (6) includes a pulley (601), the outer surface of the fixed shaft (5) is fixedly installed with the inside of the pulley (601), and the outside of the fixed disk (7) is detachably connected to a pulley (602). Both the pulley (601) and the pulley (602) are fitted with belts (603) and are driven by the belts (603).

4. The low-noise energy-saving blower according to claim 1, characterized in that: Limiting plate one (15) and limiting plate two (16) are fixedly installed on the outer surface of the mounting plate (11). The outer surface of the cover plate (12) is in contact with the outer surfaces of limiting plate one (15) and limiting plate two (16). The outer surface of the cover plate (12) is slidably connected to the interior of the sealing plate (9).

5. A low-noise, energy-saving blower according to claim 1, characterized in that: Multiple sets of the cover plates (12) are positioned corresponding to the ventilation slots (10). Multiple sets of the sealing plates (9) and cover plates (12) are symmetrically arranged inside the outer shell (1). The outer surface of the sealing plate (9) is slidably connected to the inner wall of the outer shell (1).

6. A low-noise, energy-saving air supply fan according to claim 1, characterized in that: The sealing plate (9) is slidably connected to a positioning rod (17), and a movable plate (18) is fixedly installed on the outer surface of the positioning rod (17). The mounting plate (11) has multiple sets of positioning holes (19) inside, and the outer surface of the positioning rod (17) is slidably connected to the inside of the positioning hole (19).

7. A low-noise, energy-saving blower according to claim 6, characterized in that: The positioning rod (17) is fitted with a spring (20). One end of the spring (20) is fixedly installed on the outer surface of the moving plate (18), and the other end of the spring (20) is fixedly installed on the outer surface of the sealing plate (9).

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