CN218207155U

CN218207155U - Silencing type pipe ventilation machine

Info

Publication number: CN218207155U
Application number: CN202222587823.1U
Authority: CN
Inventors: 秦亮
Original assignee: Hunan Mingguitong Fire Fighting Equipment Manufacturing Co ltd
Current assignee: Hunan Mingguitong Fire Fighting Equipment Manufacturing Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-03
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a hush air ventilation machine, it has impeller, motor, casing, be provided with drive impeller pivoted magnetic drive mechanism in the casing, magnetic drive mechanism includes motor and bearing, and motor and bearing all are fixed mutually with the casing, the motor output is fixed with the drive wheel that the cross-section is the U-shaped, be fixed with permanent magnet one on the drive wheel, it is connected with the rotation axis to rotate on the bearing, rotation axis one end is fixed the other end mutually with the impeller and is fixed mutually with the rotation wheel, it is indoor at the U die cavity that the drive wheel formed to rotate the wheel setting, rotates and takes turns to and is fixed with the permanent magnet two with a permanent magnet adaptation, be provided with noise insulation in the casing, can avoid mechanical transmission to produce the noise through adopting the relative conventional fan of the device, cut off the inevitable noise propagation in the fan work, the mechanism operation is more stable, and the installation is dismantled and clean operation is more convenient.

Description

Silencing type pipe ventilation machine

Technical Field

The utility model relates to a pipe leads to fan field, concretely relates to noise reduction type pipe leads to fan.

Background

The pipeline ventilator is rotated at high speed to apply pressure to gas so as to achieve the function of conveying gas. The pipeline ventilator has partial axial flow function and partial centrifugal function after airflow enters the fan by changing the shape of the blades, so that the pipeline ventilator with the performance between that of the axial flow fan and that of the centrifugal fan is generally applied to industry, building buildings, indoor ventilation or pipeline pressurization.

The conventional pipeline ventilator has the advantages that the driving motor is mechanically connected with the moving part, when the pipeline ventilator is in a working state, the motor can generate noise and vibration, the moving part and the motor vibrate together to generate noise, the moving part and the motor vibrate and transmit the noise to the shell or other parts frequently, and a large amount of vibration and noise can generate adverse effects on the surrounding environment of the ventilator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an amortization type pipe ventilation machine, the mounting panel, the impeller, including a motor, an end cap, a controller, and a cover plate, the casing, be provided with motor and impeller in the casing, be provided with drive impeller pivoted magnetic drive mechanism in the casing, magnetic drive mechanism includes motor and bearing, motor and bearing all are fixed mutually with the casing, the motor output is fixed with the drive wheel that the cross-section is the U-shaped, be fixed with permanent magnet one on the drive wheel, it is connected with the rotation axis to rotate on the bearing, the rotation axis is close to the casing export and is fixed with the fixed other end in impeller looks and is fixed with the rotation wheel, it is indoor at the U die cavity that the drive wheel formed to rotate the wheel setting, it takes turns to be fixed with permanent magnet two with a permanent magnet adaptation to rotate, be provided with noise insulation in the casing.

Further, noise insulation is including setting up the kuppe outside the motor and fixed mutually with the casing, and the kuppe inboard is fixed with inhales the sound cotton, and noise insulation is still including installing the safety cover in the drive wheel and the rotation wheel outside, and the safety cover inboard is fixed with inhales the sound cotton, and the safety cover is fixed mutually with the casing and is connected with the rotation axis rotation.

Further, the casing includes first pipeline and second pipeline, and first pipeline and the excircle face of second pipeline are provided with the recess, and first pipeline is connected with the second pipeline with the detachable mode, all is provided with buffer on first pipeline and the second pipeline, and first pipeline and second pipeline setting are in the fixing base.

Furthermore, the supporting seat is fixedly arranged in the first pipeline, the buffering device in the first pipeline comprises two springs A symmetrically arranged on the supporting seat, one end of each spring A is fixed to the inner wall of the first pipeline, and one end of each spring A is fixed to the fixed end of the supporting seat.

Furthermore, the motor is fixed in the second pipeline, and buffer in the second pipeline is including being fixed in the annular damping fin of second pipeline excircle face recess, and the second pipeline internal fixation has the heating panel, and the heating panel contacts with motor and drive wheel, and the heating panel internal fixation has the cooling tube.

Furthermore, be provided with the annular positioning groove with first pipeline and second pipeline adaptation in the fixing base, annular positioning groove top surface and annular damping fin butt, the fixing base is provided with annular cushion at first pipeline and second pipeline mutual approaching end within a definite time, and the fixing base can be divided into footstock and base, and the footstock is connected with vibration damper with the base in order can dismantling the mode on the fixing base.

Further, vibration damper sets up on the mounting panel, vibration damper includes vertical setting and rotates the threaded rod of being connected with the footstock top, the threaded rod rotates with the mounting panel to be connected, threaded connection has the pretension board on the threaded rod, the pretension board is equipped with spring B, spring B one end and pretension board fixed connection one end and footstock butt, the threaded rod top is fixed with rotatory handle, the base rotates and is connected with two supports, the support other end rotates with the movable block to be connected, the movable block cover is established on the guide bar of level fixation on the mounting panel, the cover is established and spring B on the guide bar, spring B one end and movable block butt one end and mounting panel butt.

The utility model discloses beneficial effect as follows: realize power contactless transmission through magnetic drive, set up buffer gear, avoid the motor, the impeller, vibration such as casing arouses the noise, use kuppe and protection to cut off when with motor and magnetic drive mechanism noise transmission, prevent during dust etc. gets into motion, use cold water circulation to completely cut off the transmission of noise in the casing simultaneously to the motor heat dissipation, multiple structure reduces the production of fan noise, cut off the propagation of noise, divide into the fan and can dismantle the connection, the fan dismouting of being convenient for is overhauld and inside is clean.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a front view of the present invention.

The reference numerals are illustrated below: 1. mounting a plate; 2. an impeller; 3. a motor; 4. a housing; 401. a first conduit; 402. a second conduit; 5. a rotating shaft; 6. a rotating wheel; 701. a first permanent magnet; 702. a permanent magnet II; 8. a drive wheel; 9. a supporting seat; 10. a spring A; 11. a protective cover; 12. a heat dissipation plate; 13. a radiating pipe; 14. a pod; 1401. sound-absorbing cotton; 15. a fixed seat; 1501. a top seat; 1502. a base; 16. an annular elastic pad; 1601. an annular damping fin; 17. a support; 18. a movable block; 19. a guide bar; 20. a spring B; 21. pre-tightening the plate; 22. a threaded rod; 23. a handle.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further explained with reference to the drawings attached to the specification:

as shown in fig. 1 and fig. 2, an muffling type pipe ventilation fan comprises a mounting plate 1, an impeller 2, a motor 3, a housing 4, wherein the mounting plate 1 is fixedly arranged, the motor 3 and the impeller 2 are arranged in the housing 4, the housing 4 is connected with a fixed seat 15, the fixed seat 15 is connected with the mounting plate 1 through a vibration damping device, the housing 4 is arranged in the fixed seat 15 and is detachably connected with the fixed seat 15, the housing 4 comprises a first pipeline 401 and a second pipeline 402, the first pipeline 401 is detachably connected with the second pipeline 402, preferably, the first pipeline 401 is connected with the second pipeline 402 through a pin hole, a groove is arranged on the outer circumferential surface of the first pipeline 401 and the second pipeline 402, an annular damping sheet 1601 is fixed in the groove, a supporting seat 9 and the impeller 2 are arranged in the first pipeline 401, the side surface of the supporting seat 9 is fixedly connected with the first pipeline 401, the axis of the supporting seat is coincident with the axis of the first pipeline 401, a spring a10 is arranged above and below the supporting seat 9, one end of a spring A10 is fixedly connected with a supporting seat 9, one end of the spring A10 is fixed with the inner wall of a first pipeline 401, the spring A10 is in a compression state, a rotating shaft is arranged on the supporting seat 9, the rotating shaft 5 is rotatably connected with the supporting seat 9, an impeller 2 is arranged in the first pipeline 401, the impeller 2 is fixedly connected with one end of the rotating shaft 5, the other end of the rotating shaft 5 is fixedly provided with a rotating wheel 6, a plurality of permanent magnet II 702 are fixed on the rotating wheel 6, the output end of a motor 3 is fixedly provided with a U-shaped driving wheel 8, the rotating wheel 6 is arranged in a U-shaped cavity formed by the driving wheel 8, the driving wheel 8 is fixedly provided with a permanent magnet I701, the permanent magnet I701 is matched with the permanent magnet II 702 to realize magnetic transmission, the driving wheel 8 can drive the rotating wheel 6 to rotate, the technical scheme adopts magnetic transmission to avoid noise generated by mechanical transmission, the supporting seat 9 can limit the swinging of two ends when the rotating shaft 5 rotates, the spring A10 can reduce the vibration of the support base 9, and the noise generation can be reduced by controlling the vibration of the mechanism.

In this embodiment, the fixing seat 15 includes a top seat 1501 and a bottom seat 1502, the fixing seat 15 is in a semicircular arc shape, the fixing seat 15 is provided with an annular positioning groove for fixing the first pipeline 401 and the second pipeline 402, a top surface of the annular positioning groove contacts with the annular damping sheet 1601, an annular elastic pad 16 is disposed between end surfaces of the first pipeline 401 and the second pipeline 402, two end surfaces of the annular elastic pad 16 respectively contact with the first pipeline 401 and the second pipeline 402, preferably, the annular elastic pad 16 is made of rubber, the top seat 1501 and the bottom seat 1502 contact along a horizontal diameter and are detachably connected, preferably, a bolt is used for connection, when the top seat 1501 is connected with the bottom seat 1502, a side wall of the mounting groove can limit axial displacement of the first pipeline 401 and the second pipeline 402.

In this embodiment, the damping device connected to the fixed seat 15 includes that the lower end of the base 1502 is provided with two rotatably connected brackets 17 with vertical diameter symmetry, the lower end of the bracket 17 is rotatably connected to the movable block 18, the movable block 18 is slidably connected to the horizontally fixed guide rod 19, the guide rod 19 is fixed to the mounting plate 1, the guide rod 19 is sleeved with a spring B20, one end of the spring B20 abuts against one end of the movable block 18 and abuts against the mounting plate 1, the top of the top seat 1501 is rotatably connected to a threaded rod 22, a pre-tightening plate 21 is arranged on the threaded rod 22, the pre-tightening plate 21 is in threaded connection with the threaded rod 22, the threaded rod 22 passes through the mounting plate 1 and is rotatably connected to the mounting plate 1, the top end of the threaded rod 22 is fixed with a rotating handle 23, the pre-tightening plate 21 can be driven to move downward by rotating the handle 23, the compressing spring B20 applies a pre-tightening force to the fixed seat 15, the spring B20 fixed to the pre-tightening plate, the other end of the spring B20 abuts against the top seat 1501, the spring B20 provides buffering and continuous pressure when the fixed seat 15 vibrates, so as to ensure that the fixed seat 15 is in a stable state, the technical scheme of this embodiment, the damping device, vibration of the damping device, vibration reduction fan can be used to avoid noise.

In this embodiment, the motor 3 is fixed to the housing 4, the inner wall of the second pipe 402 is fixedly connected with a heat dissipation plate 12, the heat dissipation plate 12 contacts with the motor 3 and the driving wheel 8, a heat dissipation pipe 13 is fixed in the heat dissipation plate 12, circulating cold water is arranged in the heat dissipation pipe 13, the cold water circulates to the motor 3 and the driving wheel 8 through the heat dissipation pipe 13, a diversion cover 14 is fixed on the outer side of the motor 3, the diversion cover 14 can guide air flow of an air inlet, sound absorption cotton 1401 is fixed on the inner wall of the diversion cover 14, the sound absorption cotton 1401 can absorb noise generated when the motor 3 operates, a protection cover 11 matched with the diversion cover 14 is arranged in the first pipe 401, the protection cover 11 is close to the driving wheel 8 and fixed to the inner wall of the first pipe 401, sound absorption cotton 1401 is fixed on the inner wall of the protection cover 11, in this embodiment, the combination of the protection cover 11 and the diversion cover 14 can prevent foreign matters and dust from protecting the motor 3 and the transmission parts, the diversion cover 14 can guide the inlet air flow to prevent the air flow from being blocked to generate noise, and heat generated by the magnetic driving mechanism can be timely dissipated.

The utility model discloses the theory of operation as follows: when the pipeline ventilator needs to be used, the motor 3 is started to drive the driving wheel 8 to rotate, the permanent magnet 7 on the driving wheel 8 rotates, the magnetic field changes to drive the rotating wheel 6 to synchronously rotate, the rotating wheel 6 drives the rotating shaft of the impeller 2 through the rotating shaft 5, non-contact transmission of power is achieved, the motor 3 is not fixedly connected with the rotating shaft 5 for transmission, vibration of the motor 3 can be prevented from being transmitted to the rotating shaft 5, the rotating shaft 5 is rotatably connected with the supporting seat 9, the supporting seat 9 is provided with a spring A10, the supporting seat 9 can deform and buffer the spring A10 when the rotating shaft 5 and the impeller 5 rotate to generate vibration, vibration of the supporting seat 9 is counteracted, and noise is avoided.

The motor 3 outside is fixed with kuppe 14, kuppe 14 can guide and arrange in order fan air inlet air current, receive hindrance and interference when avoiding the air current to flow, thereby the noise reduction, first pipeline 401 internal fixation has the safety cover 11 with 14 looks adaptations of kuppe, kuppe 14 and the fixed cotton 1401 of inhaling of safety cover 11 inner wall, can cut off the noise that motor 3 and magnetic drive actuating mechanism during operation produced, motor 3 fixes on the fixed plate, the fixed plate contacts and the inside cooling tube 13 that is provided with of fixed plate with motor 3 and magnetic drive mechanism, there is cold water circulation flow in the cooling tube 13, can dispel the heat motor 3 and magnetic drive mechanism.

The casing 4 is installed in the annular positioning groove of the fixing seat 15, the side wall of the annular positioning groove can limit the axial displacement of the casing 4, an annular elastic cushion 16 is arranged between the first pipeline 401 and the second pipeline 402 in the casing 4, the annular elastic cushion 16 can isolate the vibration transmission of the second pipeline 402, and can play a certain buffering role in the vibration of the second pipeline 402.

Base 1502 is provided with two connecting rods that rotate the connection along vertical axis symmetry, connecting rod one end rotates with the sliding block to be connected, the sliding block is 19 sliding connection with the fixed guide bar of level, the cover is equipped with spring B20 on the guide bar 19, footstock 1501 rotates connecting screw rod 22, threaded rod 22 rotates with mounting panel 1 to be connected, threaded rod 22 goes up threaded connection has pretension board 21, handle 23 through rotatory threaded rod 22 top can drive threaded rod 22 and rotate thereby promote pretension board 21 and make spring B20 compress down, thereby make fixing base 15 pressed from both sides tightly, fan during operation produces vibration accessible support 17 and transmits to movable block 18, movable block 18 is along 19 sliding compression spring B20 of guide bar, thereby spring B20 warp and realizes offsetting the fan vibration, pretension board 21 compression spring B20, spring B resilience force lasts to guarantee to exert the clamp force to fixing base 15.

When the fan needs to be disassembled, assembled, overhauled or cleaned, the rotatable threaded rod 22 enables the pre-tightening plate 21 to move upwards, the spring B is separated from pressing the fixed seat 15, the top seat 1501 and the base 1502 are disconnected, the top seat 1501 rotates along the hinge shaft, and the first pipeline 401 and the second pipeline 402 can be detached to be independently overhauled and cleaned.

Through the device, the transmission of noise when the motor 3, the magnetic transmission mechanism and the pipeline fan work integrally can be cut off, the vibration of moving parts such as the rotating shaft 5 and the like and the whole fan is reduced, the noise is avoided, the airflow inlet is provided with the air guide sleeve 14, the airflow is prevented from being interfered, and the noise is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a noise elimination type pipe ventilation machine, includes mounting panel (1), impeller (2), motor (3), casing (4), its characterized in that: the improved motor-driven impeller structure is characterized in that a motor (3) and an impeller (2) are arranged in the casing (4), a magnetic driving mechanism for driving the impeller (2) to rotate is arranged in the casing (4), the magnetic driving mechanism comprises the motor (3) and a supporting seat (9), the motor (3) and the supporting seat (9) are both fixed to the casing (4), a driving wheel (8) with a U-shaped cross section is fixed to the output end of the motor (3), a plurality of first permanent magnets (701) are fixed to the driving wheel (8), a rotating shaft (5) is rotatably connected to the supporting seat (9), one end, close to an outlet of the casing (4), of the rotating shaft (5) is fixedly provided with the impeller (2), the other end of the rotating shaft is fixedly provided with a rotating wheel (6), the rotating wheel (6) is arranged in a U-shaped cavity formed by the driving wheel (8), a plurality of second permanent magnets (702) matched with the first permanent magnets (701) are fixed to the rotating wheel (6), and a sound insulation device is arranged in the casing (4).

2. The muffling type pipe ventilator according to claim 1, wherein: noise insulation is including setting up kuppe (14) in motor (3) outside and with casing (4) fixed mutually, kuppe (14) inboard is fixed with inhales sound cotton (1401), noise insulation is still including installing safety cover (11) in drive wheel (8) and rotation wheel (6) outside, safety cover (11) and kuppe (14) adaptation, safety cover (11) inboard are fixed with inhales sound cotton (1401), safety cover (11) are fixed mutually and are connected with rotation axis (5) rotation with casing (4).

3. The muffling type pipe ventilator of claim 1, wherein: the casing (4) comprises a first pipeline (401) and a second pipeline (402), grooves are formed in the outer circular surfaces of the first pipeline (401) and the second pipeline (402), the first pipeline (401) and the second pipeline (402) are connected in a detachable mode, buffering devices are arranged on the first pipeline (401) and the second pipeline (402), and the first pipeline (401) and the second pipeline (402) are arranged in the fixing base (15).

4. The muffling tubular ventilator of claim 3, wherein: the supporting seat (9) is fixedly arranged in the first pipeline (401), the buffering device in the first pipeline (401) comprises two springs A (10) symmetrically arranged on the supporting seat (9), one end of each spring A (10) is fixed to the supporting seat (9) while the other end is fixed to the inner wall of the first pipeline (401), and the buffering device in the first pipeline (401) further comprises an annular damping sheet (1601) fixed in a groove in the outer circular surface of the first pipeline (401).

5. The muffling tubular ventilator of claim 3, wherein: motor (3) are fixed in second pipeline (402), and buffer is including annular damping fin (1601) that are fixed in second pipeline (402) outer disc recess in second pipeline (402), second pipeline (402) internal fixation has heating panel (12), heating panel (12) and motor (3) and drive wheel (8) contact, heating panel (12) internal fixation have cooling tube (13).

6. The muffling tubular ventilator of claim 3, wherein: be provided with in fixing base (15) with the annular positioning groove of first pipeline (401) and second pipeline (402) adaptation, annular positioning groove top surface and annular damping fin (1601) butt, fixing base (15) are close to each other at first pipeline (401) and second pipeline (402) and are provided with annular cushion (16) between the terminal surface, fixing base (15) can be divided into footstock (1501) and base (1502), footstock (1501) are connected with base (1502) in order can dismantle the mode, be connected with vibration damper on fixing base (15).

7. The muffling type pipe ventilator of claim 6, wherein: damping device sets up on mounting panel (1), damping device includes vertical setting and rotates threaded rod (22) of being connected with footstock (1501) top, threaded rod (22) rotate with mounting panel (1) and are connected, threaded rod (22) are gone up threaded connection and are had pretension board (21), be provided with spring B (20) on pretension board (21), spring B (20) one end and pretension board (21) fixed connection one end and footstock (1501) butt, threaded rod (22) top are fixed with rotatory handle (23), base (1502) rotate and are connected with two support (17), support (17) other end rotates with movable block (18) and is connected, movable block (18) cover is established on guide bar (19) of horizontal fixation on mounting panel (1), overlap on guide bar (19) establish with spring B (20), spring B (20) one end and movable block (18) one end and mounting panel (1) butt.