CN207704857U - A kind of silencing apparatus of electromechanical equipment - Google Patents

Abstract

The utility model discloses a kind of silencing apparatus of electromechanical equipment,Its structure includes external screw rod,Hex nut,Protecgulum,Gasket,Hush tube,Connector loop,Rear cover,The right end of external screw rod is installed on the left end of protecgulum and is mutually perpendicular to,A kind of silencing apparatus of electromechanical equipment of the utility model,Independently installed hush tube is set in structure,When being used,When carrying out equipment noise elimination,It is primary to enter from inlet sound mouth,Sound is sealed in by sealing plate in collection sound chamber,It can only be entered in anechoic room by the mouth of top,The movement that a part for noise passes through mobile edition,One noise is converted into mechanical energy on spring,It is consumed in the spring,Other noises are further consumed by porous metallic layers and simple metal thin slice,Finally go out from aperture plate and is come out,Thus only have smaller part of noise to be transferred to the external world,It can be carried out further eliminating the noise in this way,Make being protected for the ear-drum of operator,It uses more convenient,Practicability enhances.

Description

A kind of silencing apparatus of electromechanical equipment

Technical field

The utility model is a kind of silencing apparatus of electromechanical equipment, belongs to machinery field.

Background technology

Silencer is to allow air-flow to pass through, but can prevent or reduce a kind of device of sound transmission, is to eliminate air to move The important measures of power noise, silencer can stop the propagation of sound wave, and air-flow is allowed to pass through, and be the effective work for controlling noise Tool.

Prior art discloses application No. is：A kind of silencing apparatus of ventilation equipment of CN88201700.4, it includes outer Shell, outer hush tube and armour layer thereon, noise elimination stem and armour layer thereon and for fixing the connecting rod of noise elimination stem, connecing Head flange, end flange etc., but the prior art is not thorough electromechanical equipment noise elimination, causes operating personnel for a long time in noise Middle activity, causes ear-drum to damage, and uses inconvenience, poor practicability.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of silencing apparatus of electromechanical equipment, with It solves the prior art to be not thorough electromechanical equipment noise elimination, causes operating personnel movable in noise for a long time, ear-drum is caused to damage, Inconvenience is used, the problem of poor practicability.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of electromechanical equipment Silencing apparatus, structure include external screw rod, hex nut, protecgulum, gasket, hush tube, connector loop, rear cover, the external screw rod Right end is installed on the left end of protecgulum and is mutually perpendicular to, and the hex nut runs through the surface for being installed on external screw rod, the gasket The left end of right end and hush tube fits and on same center line, and the right end of the hush tube is connected with the left end of connector loop And be mutually parallel, the right end of the connector loop fits in the left end of rear cover, and the hush tube includes inlet sound mouth, aperture plate, porous Metal layer, simple metal thin slice, anechoic room, sealing plate, collection sound chamber, movable plate, screw rod, spring, the inlet sound mouth are set to collection sound chamber Lower end, fit on the outside of the inside of the aperture plate and porous metallic layers, the inside of the porous metallic layers and simple metal It is connected on the outside of thin slice and is mutually parallel, fits on the inside of the outside of the anechoic room and simple metal thin slice, the collection sound Room is set to the inside of sealing plate, fits and is mutually perpendicular to, the shifting on the inside of the outside of the movable plate and simple metal thin slice The upper end of movable plate fits in the lower end of screw rod and is mutually perpendicular to, the spring through being installed on screw surface, the spring it is upper End is connected and is mutually perpendicular to on the inside of aperture plate, fits on the inside of the lower end of the sealing plate and aperture plate and mutually hangs down Directly.

Further, the hush tube is cylindrical structure.

Further, the protecgulum is mutually parallel with rear cover.

Further, the right end of the protecgulum and the left end of gasket fit and on the same axis.

Further, the right end of the gasket is connected with the left end of aperture plate.

Further, the rear cover is made of alloy, and hardness is strong.

Further, the gasket is made of rubber, not easy to wear.

Advantageous effect

A kind of silencing apparatus of electromechanical equipment of the utility model is set to independently installed hush tube in structure, is carrying out In use, when carrying out equipment noise elimination, primary to enter from inlet sound mouth, sound is sealed in by sealing plate in collection sound chamber, can only be passed through The mouth of top enters in anechoic room, and one noise is converted to mechanical energy and is existed by a part for noise by the movement of mobile edition It on spring, is consumed in the spring, other noises are further consumed by porous metallic layers and simple metal thin slice, most Go out afterwards from aperture plate and come out, thus only smaller part of noise is transferred to the external world, is can be carried out in this way into one The noise elimination of step makes being protected for the ear-drum of operator, uses more convenient, practicability enhancing.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of the silencing apparatus of electromechanical equipment of the utility model；

Fig. 2 is the cross-sectional view of the hush tube of the utility model.

In figure：External screw rod -1, hex nut -2, protecgulum -3, gasket -4, hush tube -5, connector loop -6, rear cover -7, into sound Mouth -501, aperture plate -502, porous metallic layers -503, simple metal thin slice -504, anechoic room -505, sealing plate -506, collection sound chamber - 507, movable plate -508, screw rod -509, spring -510.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

It please refers to Fig.1, Fig. 2, the utility model provides a kind of silencing apparatus technical solution of electromechanical equipment：Its structure includes External screw rod 1, hex nut 2, protecgulum 3, gasket 4, hush tube 5, connector loop 6, rear cover 7, before the right end of the external screw rod 1 is installed on The left end of lid 3 and be mutually perpendicular to, the hex nut 2 runs through the surface for being installed on external screw rod 1, the right end of the gasket 4 with disappear The left end of sound pipe 5 fits and on same center line, and the right end of the hush tube 5 is connected with the left end of connector loop 6 and phase Mutually parallel, the right end of the connector loop 6 fits in the left end of rear cover 7, the hush tube 5 include inlet sound mouth 501, aperture plate 502, Porous metallic layers 503, simple metal thin slice 504, anechoic room 505, sealing plate 506, collection sound chamber 507, movable plate 508, screw rod 509, Spring 510, the inlet sound mouth 501 are set to the lower end of collection sound chamber 507, inside and the porous metallic layers 503 of the aperture plate 502 Outside fits, and the inside of the porous metallic layers 503 is connected and is mutually parallel with the outside of simple metal thin slice 504, described The outside of anechoic room 505 and the inside of simple metal thin slice 504 fit, and the collection sound chamber 507 is set to the inside of sealing plate 506, The outside of the movable plate 508 and the inside of simple metal thin slice 504 fit and are mutually perpendicular to, the upper end of the movable plate 508 It fits in the lower end of screw rod 509 and is mutually perpendicular to, the spring 510, which runs through, is installed on 509 surface of screw rod, the spring 510 Upper end is connected and is mutually perpendicular to the inside of aperture plate 502, the lower end of the sealing plate 506 and the inside phase of aperture plate 502 It is bonded and is mutually perpendicular to, the hush tube 5 is cylindrical structure, and the protecgulum 3 is mutually parallel with rear cover 7, the right side of the protecgulum 3 The left end of end and gasket 4 fits and on the same axis, the right end of the gasket 4 is connected with the left end of aperture plate 502, institute It states rear cover 7 to be made of alloy, hardness is strong, and the gasket 4 is made of rubber, not easy to wear.

Spring 510 described in this patent be it is a kind of using elasticity come work machine components, zero made of elastic material Part deforms upon under external force, restores to the original state again after removing external force, also makees " spring ", be generally made of spring steel, bullet The type complexity of spring is various, by shape point, mainly there is helical spring, scroll spring, flat spring, heterotypic spring etc., the gasket 4 It is made, is placed on to reinforce the material of sealing between two planes, to prevent fluid leakage to be arranged quiet of paper, rubber tissue or copper sheet Sealing element between sealing surface.

It is carrying out in use, when carrying out equipment noise elimination, primary to enter from inlet sound mouth 501, sound is sealed by sealing plate 506 In collecting sound chamber, it can only be entered in anechoic room 505 by the mouth of top, a part for noise, will by the movement of mobile edition 508 One noise is converted to mechanical energy on spring 510, is consumed in the spring, and other noises pass through porous metallic layers 503 It is further consumed with simple metal thin slice 504, finally goes out to be come out from aperture plate 502, thus only less portion The noise divided is transferred to the external world.

The utility model solves the prior art and is not thorough to electromechanical equipment noise elimination, causes operating personnel for a long time in noise The problem of middle activity, causes ear-drum to damage, and uses inconvenience, poor practicability, the utility model is mutual by above-mentioned component Combined, a kind of silencing apparatus of electromechanical equipment of the utility model is set to independently installed hush tube in structure, into enforcement Used time, primary to enter from inlet sound mouth when carrying out equipment noise elimination, sound is sealed in by sealing plate in collection sound chamber, can only be by upper The mouth of side enters in anechoic room, and one noise is converted to mechanical energy in bullet by a part for noise by the movement of mobile edition It on spring, is consumed in the spring, other noises are further consumed by porous metallic layers and simple metal thin slice, finally Go out from aperture plate and come out, thus only smaller part of noise is transferred to the external world, can be carried out so further Noise elimination, make being protected for the ear-drum of operator, use it is more convenient, practicability enhancing, it is described in detail below:

Hush tube 5 include inlet sound mouth 501, aperture plate 502, porous metallic layers 503, simple metal thin slice 504, anechoic room 505, Sealing plate 506, collection sound chamber 507, movable plate 508, screw rod 509, spring 510, the inlet sound mouth 501 are set under collection sound chamber 507 End, the inside and the outside of porous metallic layers 503 of the aperture plate 502 fit, the inside of the porous metallic layers 503 with it is pure The outside of sheet metal 504 is connected and is mutually parallel, the outside of the anechoic room 505 and the inside phase of simple metal thin slice 504 Fitting, the collection sound chamber 507 are set to the inside of sealing plate 506, and the outside of the movable plate 508 is interior with simple metal thin slice 504 Side fits and is mutually perpendicular to, and the upper end of the movable plate 508 fits in the lower end of screw rod 509 and is mutually perpendicular to, the spring 510 through 509 surface of screw rod is installed on, and the upper end of the spring 510 is connected and is mutually perpendicular to the inside of aperture plate 502, The lower end of the sealing plate 506 and the inside of aperture plate 502 fit and are mutually perpendicular to.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (5)

1. a kind of silencing apparatus of electromechanical equipment, it is characterised in that：Its structure includes external screw rod（1）, hex nut（2）, protecgulum （3）, gasket（4）, hush tube（5）, connector loop（6）, rear cover（7）, the external screw rod（1）Right end be installed on protecgulum（3）A left side It holds and is mutually perpendicular to, the hex nut（2）Through being installed on external screw rod（1）Surface, the gasket（4）Right end and noise elimination Pipe（5）Left end fit and on same center line, the hush tube（5）Right end and connector loop（6）Left end be connected And be mutually parallel, the connector loop（6）Right end fit in rear cover（7）Left end, the hush tube（5）Including inlet sound mouth （501）, aperture plate（502）, porous metallic layers（503）, simple metal thin slice（504）, anechoic room（505）, sealing plate（506）, collection Sound chamber（507）, movable plate（508）, screw rod（509）, spring（510）, the inlet sound mouth（501）Set on collection sound chamber（507）Under End, the aperture plate（502）Inside and porous metallic layers（503）Outside fit, the porous metallic layers（503）It is interior Side and simple metal thin slice（504）Outside be connected and be mutually parallel, the anechoic room（505）Outside and simple metal thin slice （504）Inside fit, the collection sound chamber（507）Set on sealing plate（506）Inside, the movable plate（508）Outside With simple metal thin slice（504）Inside fit and be mutually perpendicular to, the movable plate（508）Upper end fit in screw rod（509） Lower end and be mutually perpendicular to, the spring（510）Through being installed on screw rod（509）Surface, the spring（510）Upper end with it is small Orifice plate（502）Inside be connected and be mutually perpendicular to, the sealing plate（506）Lower end and aperture plate（502）Inside be affixed It closes and is mutually perpendicular to.

2. a kind of silencing apparatus of electromechanical equipment according to claim 1, it is characterised in that：The hush tube（5）For circle Column structure.

3. a kind of silencing apparatus of electromechanical equipment according to claim 1, it is characterised in that：The protecgulum（3）With rear cover （7）It is mutually parallel.

4. a kind of silencing apparatus of electromechanical equipment according to claim 1, it is characterised in that：The protecgulum（3）Right end With gasket（4）Left end fit and on the same axis.

5. a kind of silencing apparatus of electromechanical equipment according to claim 1, it is characterised in that：The gasket（4）Right end With aperture plate（502）Left end be connected.