CN206816462U

CN206816462U - Silencing means

Info

Publication number: CN206816462U
Application number: CN201720601269.4U
Authority: CN
Inventors: 刘伟杰
Original assignee: Shenzhen Huachuang Science Technology Co Ltd
Current assignee: Shenzhen Huachuang Science Technology Co Ltd
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2017-12-29
Anticipated expiration: 2027-05-26

Abstract

The utility model discloses a kind of silencing means, including noise-reducing structure, noise-reducing structure includes acoustic element, acoustic element includes body, the first pipeline, the second pipeline and at least two acoustical panels and is provided with cavity, first pipeline and the second pipeline are individually fixed in body, first pipeline, the second pipeline connect with cavity, and at least two acoustical panels are fixed and are contained in cavity, and at least two acoustical panels flow into the path of the second pipeline so as to reducing noise to extend air between the first pipeline and the second pipeline from the first pipeline.Acoustical panel is fixed on cavity, air-flow is extended path along " S " type path flows, is played cushioning effect, reducing friction reduces noise.

Description

Silencing means

Technical field

It the utility model is related to air pump field, more particularly to a kind of silencing means.

Background technology

At present, with the development of society, increasing place can all use air pump to convey gas.

But there is following defect in existing air pump：

Air pump noise among the process used is larger, when use in public, influences the normal work of people And life, and stood commonly using the people of air pump if for a long time near the air pump to make a noise, also influence whether to use The hearing ability of the staff of air pump, influence the mood and operating efficiency of staff.

Utility model content

For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of silencing means, its energy Solves the problems, such as air pump noise pollution.

One of the purpose of this utility model adopts the following technical scheme that realization：

A kind of silencing means, including noise-reducing structure, the noise-reducing structure include acoustic element, the acoustic element include body, First pipeline, the second pipeline and at least two acoustical panels are simultaneously provided with cavity, and first pipeline and the second pipeline are individually fixed in institute Body is stated, first pipeline, the second pipeline connect with the cavity, and at least two acoustical panels are fixed and are contained in the sky Chamber, at least two acoustical panels are between first pipeline and second pipeline to extend air from first pipeline The path of second pipeline is flowed into so as to reduce noise.

Further, the silencing means also includes driving structure, and the driving structure includes cylinder body, and the cylinder body is provided with Inner chamber of cylinder block, first pipeline, the second pipeline connect with the inner chamber of cylinder block, and the acoustic element also includes space bar, described Space bar is fixed and is contained in the cavity, and the cavity is divided into inlet channel and outlet passageway.

Further, first pipeline includes air inlet pipe and escape pipe, and the air inlet pipe connects with the inlet channel, The escape pipe connects with the outlet passageway.

Further, second pipeline is provided with air admission hole and venthole, and the air admission hole connects with the air inlet pipe, institute Venthole is stated to connect with the escape pipe.

Further, it is parallel to each other between the acoustical panel.

Further, the driving structure also includes motor, eccentric shaft and drive piston, and the eccentric shaft is fixed on electricity Machine, the eccentric shaft turns are connected to the drive piston, and the drive piston, which coordinates, is contained in the inner chamber of cylinder block.

Further, the inner chamber of cylinder block and first pipeline and second pipeline connection.

Further, the silencing means also includes containment vessel, and the driving structure is contained in the containment vessel, the guarantor Protective case is fixed on the acoustic element.

Further, the silencing means also includes motor casing, and the motor is contained in the motor casing, the motor casing It is fixed on the acoustic element.

Further, the noise-reducing structure also includes sealing ring and base, and the acoustic element is fixed on the base, described Sealing ring is between the acoustic element and the base.

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

Acoustical panel is fixed on cavity, air-flow is extended path along " S " type path flows, is played cushioning effect, reduce friction Reduce noise.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail as follows.

Brief description of the drawings

Fig. 1 is the exploded view of a preferred embodiment in the utility model silencing means；

Fig. 2 is the stereogram of silencing means shown in Fig. 1；

Fig. 3 is the stereogram of the acoustic element in silencing means shown in Fig. 1；

Fig. 4 is the top view of the acoustic element in silencing means shown in Fig. 1.

In figure：100th, silencing means；10th, driving structure；11st, motor；12nd, eccentric shaft；13rd, drive piston；14th, cylinder body； 141st, inner chamber of cylinder block；15th, cylinder cap；20th, noise-reducing structure；21st, acoustic element；211st, body；212nd, the first pipeline；2121st, air inlet pipe； 2122nd, escape pipe；213rd, connecting portion；214th, cavity；2141st, inlet channel；2142nd, outlet passageway；215th, space bar；216th, disappear Soundboard；217th, the second pipeline；2171st, air admission hole；2172nd, venthole；22nd, sealing ring；23rd, base；30th, containment vessel；40th, motor Shell.

Embodiment

Below, with reference to accompanying drawing and embodiment, the utility model is described further, it is necessary to explanation is, On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.

It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more related Listed Items.

Refer to the preferred embodiment that Fig. 1-4 is the utility model silencing means 100, including driving structure 10, noise reduction Structure 20, containment vessel 30 and motor casing 40.

Driving structure 10 includes motor 11, eccentric shaft 12, drive piston 13, cylinder body 14 and cylinder cap 15, and cylinder body 14 is provided with cylinder Intracoelomic cavity 141.Eccentric shaft 12 is fixed on the rotating shaft of motor 11, and eccentric shaft 12 is rotationally connected with drive piston 13, drive piston 13 Cooperation is contained in inner chamber of cylinder block 141, and cylinder cap 15 is fixed on cylinder body 14, and rotating shaft drives drive piston 13 to be transported relative to cylinder body about 14 It is dynamic.

Noise-reducing structure 20 includes acoustic element 21, sealing ring 22, base 23, and acoustic element 21 is fixed on base 23, sealing ring 22 Between acoustic element 21 and base 23.Acoustic element 21 include body 211, the first pipeline 212, connecting portion 213, space bar 215, Acoustical panel 216, the second pipeline 217 are simultaneously provided with cavity 214, and space bar 215 is fixed and is contained in cavity 214, cavity 214 is split For inlet channel 2141 and outlet passageway 2142, the first pipeline 212 includes air inlet pipe 2121 and escape pipe 2122, the second pipeline 217 are provided with air admission hole 2171 and venthole 2172.Air admission hole 2171, air inlet pipe 2121 and inlet channel 2141 connect, venthole 2172nd, escape pipe 2122 and outlet passageway 2142 connect, inlet channel 2141 and outlet passageway 2142 respectively with inner chamber of cylinder block 141 Connection.At least two acoustical panels 216 are flowed between the first pipeline 212 and the second pipeline 217 with extending air from the first pipeline 212 Enter the path of the second pipeline 217 so as to reduce noise, be parallel to each other between acoustical panel 216.

When assembling silencing means 100, driving structure 10 is contained in containment vessel 30, and containment vessel 30 is fixed on acoustic element 21, electricity Machine 11 is contained in motor casing 40, and motor casing 40 is fixed on acoustic element 21, and connecting portion 213 is fixed on acoustic element 21.

During using silencing means 100, air enters inlet channel 2141 by air inlet pipe 2121 and flows into inner chamber of cylinder block 141, Air flows into outlet passageway 2142 by venthole 2172, and inlet channel 2141 and outlet passageway 2142 are S-type, make air-flow edge " S " type path flows, extend path, play cushioning effect, reducing friction reduces noise.

Above-mentioned embodiment is only preferred embodiment of the present utility model, it is impossible to is protected with this to limit the utility model Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to In the utility model scope claimed.

Claims

1. a kind of silencing means, including noise-reducing structure, it is characterised in that：The noise-reducing structure includes acoustic element, the acoustic element Including body, the first pipeline, the second pipeline and at least two acoustical panels and cavity is provided with, the first pipeline and the second pipeline difference The body is fixed on, first pipeline, the second pipeline are connected with the cavity, and at least two acoustical panels are fixed and housed In the cavity, at least two acoustical panels are between first pipeline and second pipeline to extend air from described First pipeline flows into the path of second pipeline so as to reduce noise.

2. silencing means as claimed in claim 1, it is characterised in that：The silencing means also includes driving structure, the drive Dynamic structure includes cylinder body, and the cylinder body is provided with inner chamber of cylinder block, and first pipeline, the second pipeline connect with the inner chamber of cylinder block, The acoustic element also includes space bar, and the space bar is fixed and is contained in the cavity, and the cavity is divided into air inlet leads to Road and outlet passageway.

3. silencing means as claimed in claim 2, it is characterised in that：First pipeline includes air inlet pipe and escape pipe, institute State air inlet pipe to connect with the inlet channel, the escape pipe connects with the outlet passageway.

4. silencing means as claimed in claim 3, it is characterised in that：Second pipeline is provided with air admission hole and venthole, institute State air admission hole to connect with the air inlet pipe, the venthole connects with the escape pipe.

5. silencing means as claimed in claim 4, it is characterised in that：It is parallel to each other between the acoustical panel.

6. silencing means as claimed in claim 5, it is characterised in that：The driving structure also includes motor, eccentric shaft and biography Piston, the eccentric shaft are fixed on motor, and the eccentric shaft turns are connected to the drive piston, and the drive piston coordinates It is contained in the inner chamber of cylinder block.

7. silencing means as claimed in claim 6, it is characterised in that：The inner chamber of cylinder block and first pipeline and described the Two pipeline connections.

8. silencing means as claimed in claim 7, it is characterised in that：The silencing means also includes containment vessel, the driving Structure is contained in the containment vessel, and the containment vessel is fixed on the acoustic element.

9. silencing means as claimed in claim 1, it is characterised in that：The silencing means also includes motor casing, the motor The motor casing is contained in, the motor casing is fixed on the acoustic element.

10. silencing means as claimed in claim 1, it is characterised in that：The noise-reducing structure also includes sealing ring and base, institute State acoustic element and be fixed on the base, the sealing ring is between the acoustic element and the base.