CN208778273U - A kind of low-noise blower - Google Patents

Abstract

The utility model discloses a kind of low-noise blowers, including workbench and cylinder, it is bolted at the center of the worktable upper surface and cylinder is installed, the motor output end is socketed with the active rotating shaft through cylinder, one end that the active rotating shaft is located at inner barrel is socketed with active angular wheel, the inner barrel is fixedly installed with axle sleeve by fixed link close to the side of active angular wheel, the axle sleeve inner rotation is connected with driven spindle, the driven spindle is socketed with driven angular wheel close to one end of active angular wheel, the driven angular wheel is engaged with active angular wheel, the driven spindle is socketed with flabellum far from one end of driven angular wheel, the cylinder inboard wall is uniformly provided with echo slot, this low-noise blower is driven by way of active angular wheel and the cooperation of driven angular wheel Flabellum rotation is resonated when avoiding electric motor operation with the generation of cylinder, to reduce noise.

Description

A kind of low-noise blower

Technical field

The utility model relates to blower technical field, specially a kind of low-noise blower.

Background technique

Blower is to improve gas pressure by the mechanical energy of input to supply gas side by side the machinery of body, it is a kind of driven fluid It is mechanical.

1. noise is bigger when in use for existing blower, environment sound pollution is caused, brings inconvenience, generally Blower be all that fan is directly connected to by shaft, be easy to make shaft and fan to generate resonance and generate noise in this way, it is not easy to Noise is reduced using V belt translation.

2. existing blower, during being run, general device is not provided with silencing means, working When be easy to produce a large amount of noises.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of low-noise blower Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of low-noise blower, including work Platform and cylinder are bolted at the center of the worktable upper surface and are equipped with cylinder, and the workbench lower surface passes through Bolt is symmetrically fixedly installed with supporting leg two-by-two, is bolted on the inside of the supporting leg and is equipped with crossbeam, on the crossbeam The side on surface, which is bolted, is equipped with motor, and the motor output end is socketed with the active rotating shaft through cylinder, One end that the active rotating shaft is located at inner barrel is socketed with active angular wheel, and the inner barrel is close to active angular wheel Side axle sleeve is fixedly installed with by fixed link, the axle sleeve inner rotation is connected with driven spindle, and the driven spindle leans on One end of nearly active angular wheel is socketed with driven angular wheel, and the driven angular wheel is engaged with active angular wheel, institute It states driven spindle and is socketed with flabellum far from one end of driven angular wheel, the cylinder inboard wall is uniformly provided with echo slot, described Echo slot inner wall is uniformly bonded with acoustical cotton layer, is uniformly bonded with sound-absorbing particle on the inside of the acoustical cotton layer.

Preferably, the inner barrel is bolted far from one end of flabellum and is equipped with Air Filter.

Preferably, the inner barrel is bolted close to one end of flabellum and is equipped with protective net.

Preferably, the flabellum is located at the axle center of cylinder.

Preferably, the sound-absorbing particle is made of glass fibre.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model drives active rotating shaft rotation by motor, and then active rotating shaft drives active angular wheel to turn It is dynamic, then cooperated by active angular wheel and driven angular wheel, to drive driven spindle to rotate in axle sleeve, and then band Dynamic flabellum rotation drives flabellum to rotate, avoids electricity by way of active angular wheel and the cooperation of driven angular wheel in this way It resonates when motivation works with the generation of cylinder, to reduce noise.

2, the utility model can receive noise by uniformly opening up echo slot in cylinder inboard wall, when the life of fan blade rotating movable property is made an uproar When sound, noise is entered in echo slot, to be absorbed by the acoustical cotton layer in echo slot, then remaining noise is in echo slot Repeatedly, then there is sound-absorbing particle by extra noise absorption, improve the de-noising effect of blower in this way.

Detailed description of the invention

Fig. 1 is the utility model main view the schematic diagram of the section structure；

Fig. 2 is the utility model echo slot structure schematic diagram.

In figure: 1- workbench；2- cylinder；3- supporting leg；4- crossbeam；5- motor；6- active rotating shaft；7- active taper Gear；The driven angular wheel of 8-；9- fixed link；10- axle sleeve；11- driven spindle；12- flabellum；13- echo slot；14- is dust-proof Net；15- protective net；16- acoustical cotton layer；17- sound-absorbing particle.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of low-noise blower, including workbench 1 It with cylinder 2, is bolted at the center of 1 upper surface of workbench and cylinder 2 is installed, 1 lower surface of workbench is logical It crosses bolt and is symmetrically fixedly installed with supporting leg 3 two-by-two, be bolted on the inside of the supporting leg 3 and crossbeam 4 is installed, it is described The side of 4 upper surface of crossbeam, which is bolted, is equipped with motor 5, and 5 output end of motor is socketed with through cylinder 2 Active rotating shaft 6, one end that the active rotating shaft 6 is located inside cylinder 2 are socketed with active angular wheel 7, lean on inside the cylinder 2 The side of nearly active angular wheel 7 is fixedly installed with axle sleeve 10 by fixed link 9, and 10 inner rotation of axle sleeve is connected with driven Shaft 11, the driven spindle 11 are socketed with driven angular wheel 8, the driven taper close to one end of active angular wheel 7 Gear 8 is engaged with active angular wheel 7, and the driven spindle 11 is socketed with flabellum 12 far from one end of driven angular wheel 8, 2 inner wall of cylinder is uniformly provided with echo slot 13, and 13 inner wall of echo slot is uniformly bonded with acoustical cotton layer 16, the sound-absorbing 16 inside of cotton layer is uniformly bonded with sound-absorbing particle 17.

1 inside of cylinder is bolted far from one end of flabellum 12 is equipped with Air Filter 14, dust-proof by being added Net 14 prevents extraneous dust from entering inside cylinder 2, and 2 inside of cylinder is bolted close to one end of flabellum 12 Protective net 15 is installed, by the way that protective net 15 is added, prevents someone from will extend into inside cylinder 2, avoids the flabellum 12 of rotation People is damaged, the flabellum 12 is located at the axle center of cylinder 2, and such flabellum 12 can be rotated normally, and 2 inner wall of cylinder is not It can stop the rotation of flabellum 12, the sound-absorbing particle 17 is made of glass fibre, does not absorb the water in air due to glass fibre Point, such sound-absorbing particle 17 will not deform during use, and sound-absorbing particle 17 can possess always good sound-absorbing effect.

Working principle: when in use, active rotating shaft 6 is driven to rotate by motor 5, then active rotating shaft drives initiative taper Shape gear 7 rotates, and is then cooperated by active angular wheel 7 and driven angular wheel 8, to drive driven spindle 11 in axle sleeve Rotation in 10, and then flabellum 12 is driven to rotate, the band in this way by way of active angular wheel 7 and the cooperation of driven angular wheel 8 Dynamic flabellum 12 rotates, and avoids and resonates when motor 5 works with the generation of cylinder 2, to reduce noise, while by cylinder 2 inner walls, which uniformly open up echo slot 13, can receive noise, and when flabellum 12, which rotates, generates noise, noise enters echo slot 13 It is interior, to be absorbed by the acoustical cotton layer 16 in echo slot 13, then remaining noise in echo slot 13 repeatedly, then have sound-absorbing Extra noise absorption is improved the de-noising effect of blower by grain 17 in this way.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of low-noise blower, including workbench (1) and cylinder (2), it is characterised in that: table on the workbench (1) It is bolted and is equipped with cylinder (2) at the center in face, workbench (1) lower surface is pacified by the way that bolt is symmetrically fixed two-by-two Equipped with supporting leg (3), it is bolted and is equipped with crossbeam (4) on the inside of the supporting leg (3), crossbeam (4) upper surface Side, which is bolted, to be equipped with motor (5), and motor (5) output end is socketed with the active turn through cylinder (2) Axis (6), the active rotating shaft (6) is located at the internal one end of cylinder (2) and is socketed with active angular wheel (7), in the cylinder (2) Portion is fixedly installed with axle sleeve (10) close to the side of active angular wheel (7) by fixed link (9), is turned inside the axle sleeve (10) Dynamic to be connected with driven spindle (11), the driven spindle (11) is socketed with driven taper close to the one end of active angular wheel (7) Gear (8), the driven angular wheel (8) are engaged with active angular wheel (7), and the driven spindle (11) is far from driven taper One end of gear (8) is socketed with flabellum (12), and cylinder (2) inner wall is uniformly provided with echo slot (13), the echo slot (13) inner wall is uniformly bonded with acoustical cotton layer (16), is uniformly bonded with sound-absorbing particle (17) on the inside of the acoustical cotton layer (16).

2. a kind of low-noise blower according to claim 1, it is characterised in that: the cylinder (1) is internal far from fan One end of leaf (12), which is bolted, is equipped with Air Filter (14).

3. a kind of low-noise blower according to claim 1, it is characterised in that: the cylinder (2) is internal close to fan One end of leaf (12), which is bolted, is equipped with protective net (15).

4. a kind of low-noise blower according to claim 1, it is characterised in that: the flabellum (12) is located at cylinder (2) at axle center.

5. a kind of low-noise blower according to claim 1, it is characterised in that: the sound-absorbing particle (17) is glass Fiber is made.