CN211039096U - Low-noise ventilation equipment - Google Patents

Abstract

The utility model discloses a low-noise ventilation device, which comprises an upper shell, wherein one side of the upper shell is provided with an air inlet pipeline, the other side of the upper shell opposite to the air inlet pipeline is provided with an air outlet pipeline, the bottom end of the upper shell is detachably connected with a lower shell through a flange, the bottom of the lower shell is provided with a damping mechanism, the upper part of the damping mechanism is connected with a base through a support rod and a rotating shaft, the outer side of the base is provided with a fixing device, the fixing device comprises two fixing frame open ends, two fixing frame fixed ends and two bolts, the two fixing frame open ends are wrapped on four sides of the base, the adjacent parts of the two fixing frame open ends are connected through the bolts, the tail parts of the two fixing frame open ends are respectively provided with the fixing frame fixed ends, the two fixing frame fixed, the utility model discloses a damper can reduce the vibrations that produce when the motor functions to the noise reduction.

Description

Low-noise ventilation equipment

Technical Field

The utility model relates to a ventilation equipment of low noise belongs to ventilation equipment technical field.

Background

Ventilation, also known as air exchange, is the process of feeding sufficient fresh air into the room space mechanically or naturally, and simultaneously discharging the dirty air which is not in compliance with the sanitary requirements, so that the indoor air meets the sanitary requirements and the requirements of the production process. The facilities for completing ventilation work in buildings are collectively called as ventilation equipment.

Most ventilation equipment realizes ventilating through the fan, and mill, resident's building, office building, hospital etc. are visible everywhere at present, but present fan also can produce not little noise pollution when ventilating, because the fan motion causes the pipeline shake, and indoor people's work and life can seriously be influenced to this kind of noise to inconvenient dismantlement gets off and washs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation equipment of low noise to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-noise ventilation device comprises an upper shell, wherein an air inlet pipeline is arranged on one side of the upper shell, an air outlet pipeline is arranged on the other side of the upper shell, which is opposite to the air inlet pipeline, the bottom end of the upper shell is detachably connected with a lower shell through a flange, the bottom of the lower shell is provided with a damping mechanism, the upper part of the damping mechanism is connected with a base through a support rod and a rotating shaft, the outer side of the base is provided with a fixing device, the fixing device comprises two fixing frame open ends, two fixing frame fixed ends and two bolts, the two fixing frame open ends are wrapped on four sides of the base, the adjacent parts of the two fixing frame open ends are connected through the bolts, the tail parts of the two fixing frame open ends are respectively provided with the fixing frame fixed ends, the two fixing frame fixed ends are respectively arranged, and a plurality of blades are arranged around the rotary disc.

Preferably, damper includes recess, expanding spring, movable block, pivot, branch, the recess sets up the bottom of casing under, the recess both ends all are equipped with expanding spring, two the movable block, two are all installed to expanding spring's tip the equal sliding connection of movable block in the inside of recess, two the top of movable block all rotates through the pivot and is connected with branch, two the upper end of branch all is connected in the base bottom through the pivot.

Preferably, the inner walls of the upper shell and the lower shell are both provided with silencing cotton.

Preferably, the air outlet pipeline opening is provided with a light thin plate, and the surface area of the light thin plate is larger than that of the air outlet pipeline opening.

Preferably, silencers are arranged in the air inlet pipeline and the air outlet pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with damper in the base bottom, when the motor function, can produce vibrations, the base can be taken in the vibrations of motor and shake, and the base can drive two branch motions, thereby two branches promote corresponding movable block and compress expanding spring to this vibrations that produce when reducing the motor function, thereby the noise reduction.

2. The utility model discloses still be provided with casing and lower casing simultaneously, go up the casing and pass through flange joint between the casing down, no matter need maintain motor and blade or clean, can both very convenient dismantlement, convenient operation.

Drawings

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

FIG. 2 is a sectional view of the damping mechanism of the present invention taken along the plane B-B;

FIG. 3 is a cross-sectional view of the A-A side of the fixing device of the present invention;

fig. 4 is an installation view of the air outlet duct and the light sheet of the present invention.

In the figure: 1. an upper housing; 2. silencing cotton; 3. a motor; 4. a fixing device; 41. a bolt; 42. the opening end of the fixing frame; 43. a fixed end of the fixed frame; 5. a damping mechanism; 51. a movable block; 52. a groove; 53. a strut; 54. a rotating shaft; 55. a tension spring; 6. a turntable; 7. a blade; 8. a muffler; 9. an air outlet pipeline; 10. a light sheet; 11. an air inlet pipeline; 12. a lower housing; 13. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-noise ventilation device comprises an upper shell 1, wherein an air inlet pipeline 11 is arranged on one side of the upper shell 1, an air outlet pipeline 9 is arranged on the other side of the upper shell 1 opposite to the air inlet pipeline 11, the bottom end of the upper shell 1 is detachably connected with a lower shell 12 through a flange, a damping mechanism 5 is arranged at the bottom of the lower shell 12, a base 13 is connected above the damping mechanism 5 through a support rod 53 and a rotating shaft 54, a fixing device 4 is arranged on the outer side of the base 13, the fixing device 4 comprises two fixing frame open ends 42, two fixing frame fixed ends 43 and two bolts 41, the two fixing frame open ends 42 are wrapped on four sides of the base 13, the adjacent parts of the two fixing frame open ends 42 are connected through the bolts 41, the tail parts of the two fixing frame open ends 42 are respectively provided with the fixing frame fixed ends 43, the output shaft end transmission of motor 3 is connected with carousel 6, and carousel 6 is equipped with a plurality of blades 7 all around, and damper 5 can reduce the vibrations that produce when motor 3 functions to the noise reduction goes up through flange joint between casing 1 and the lower casing 12, consequently no matter maintain or clean motor 3 and blade 7, can both very convenient dismantlement, convenient operation.

The damping mechanism 5 comprises a groove 52, a telescopic spring 55, movable blocks 51, a rotating shaft 54 and supporting rods 53, the groove 52 is arranged at the bottom of the lower shell 12, the telescopic springs 55 are arranged at two ends of the groove 52, the movable blocks 51 are arranged at the end parts of the two telescopic springs 55, the two movable blocks 51 are connected inside the groove 52 in a sliding manner, the supporting rods 53 are rotatably connected at the top ends of the two movable blocks 51 through the rotating shaft 54, the upper ends of the two supporting rods 53 are connected at the bottom end of the base 13 through the rotating shaft 54, when the motor 3 operates, vibration can be generated, the base 13 can be driven by the vibration of the motor 3 to vibrate, the base 13 can drive the two supporting rods 53 to move, the two supporting rods 53 can push the corresponding movable blocks 51 to compress the telescopic springs 55, so as to reduce the vibration generated during the operation of the motor 3, thereby reducing noise, the inner walls of the upper shell 1 and, further noise reduction, 9 departments of air-out pipeline are provided with light-duty sheet metal 10, the surface area of light-duty sheet metal 10 is greater than the surface area of 9 mouths of air-out pipeline, when carrying out the ventilation, light-duty sheet metal 10 receives wind-force can upwards rotate, can not hinder the ventilation, when equipment is idle, light-duty sheet metal 10 can hide 9 mouths of air-out pipeline completely, prevent that a large amount of dust that have rubbish from getting into, influence the ventilation effect, all be provided with muffler 8 in intake stack 11 and the air-out pipeline 9, noise reduction.

Specifically, the utility model discloses during the use, the utility model relates to a ventilation equipment of low noise, through starter motor 3, motor 3's output axle head can drive carousel 6 and rotate, a plurality of blades 7 on the carousel 6 can rotate fast, form pressure difference, thereby indoor air can get into through intake stack 11, discharge from air-out pipeline 9, in the in-process of motor 3 function, can produce vibrations, motor 3's vibrations can take base 13 to vibrate, base 13 can drive two branch 53 motions, thereby two branch 53 promote corresponding movable block 51 and compress expanding spring 55, with this vibrations that produce when reducing motor 3 function, thereby the noise reduction.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A low-noise ventilation device comprises an upper shell (1) and is characterized in that an air inlet pipeline (11) is arranged on one side of the upper shell (1), an air outlet pipeline (9) is arranged on the other side, opposite to the air inlet pipeline (11), of the upper shell (1), the bottom end of the upper shell (1) is detachably connected with a lower shell (12) through a flange, a damping mechanism (5) is arranged at the bottom of the lower shell (12), a base (13) is connected above the damping mechanism (5) through a support rod (53) and a rotating shaft (54), a fixing device (4) is arranged on the outer side of the base (13), the fixing device (4) comprises two fixing frame open ends (42), two fixing end supports (43) and two bolts (41), the two fixing frame open ends (42) are wrapped on four sides of the base (13), and the adjacent positions of the fixing frame open ends (42) are connected through the bolts (41, two mount open end (42) afterbody all is provided with mount stiff end (43), two mount stiff end (43) all install on casing (12) inner wall down, motor (3) are installed on the top of base (13), the output shaft end transmission of motor (3) is connected with carousel (6), be equipped with a plurality of blades (7) around carousel (6).

2. A low noise ventilating device according to claim 1, wherein: damper (5) are including recess (52), expanding spring (55), movable block (51), pivot (54), branch (53), recess (52) set up the bottom of casing (12) down, recess (52) both ends all are equipped with expanding spring (55), two movable block (51), two are all installed to the tip that expanding spring (55) is relative, two equal sliding connection in the inside of recess (52) in movable block (51) two the top of movable block (51) all rotates through pivot (54) and is connected with branch (53), two the upper end of branch (53) all connects in base (13) bottom through pivot (54).

3. A low noise ventilating device according to claim 1, wherein: the inner walls of the upper shell (1) and the lower shell (12) are both provided with silencing cotton (2).

4. A low noise ventilating device according to claim 1, wherein: the air outlet pipeline (9) is provided with a light sheet (10), and the surface area of the light sheet (10) is larger than that of the air outlet pipeline (9).

5. A low noise ventilating device according to claim 1, wherein: silencers (8) are arranged in the air inlet pipeline (11) and the air outlet pipeline (9).

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