CN110714892A

CN110714892A - Air pump capable of reducing noise

Info

Publication number: CN110714892A
Application number: CN201810762396.1A
Authority: CN
Inventors: 刘胜亮; 徐正荣
Original assignee: Huizhou Tangqun Seat Technology Co Ltd
Current assignee: Huizhou Tangqun Seat Technology Co Ltd
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2020-01-21

Abstract

The utility model provides an effectual noise reduction is reached by the inside sound lug of inhaling of air pump shell and the sound insulation space between sound lug and air pump to this air pump of noise reduction, and this air pump includes an integrated form air feed module, an air pump shell and solid fixed ring of shock attenuation. Wherein, the air pump shell is formed by two half shells, and the integrated form air supply module is arranged in the air pump shell, a sound insulation space is formed between the integrated form air supply module and the air pump shell, a ring body and a plurality of damping fixing rings which are arranged on one side of the ring body facing the integrated form air supply module and are provided with buffer blocks at intervals are arranged, and each buffer block is in surface contact with the integrated form air supply module and fixes the integrated form air supply module.

Description

Air pump capable of reducing noise

Technical Field

The present invention relates to an air pump for reducing noise, and more particularly, to an air pump with a noise reduction function.

Background

In the present society, many articles need to be provided with an air pump during inflation, and the air pump is required to be used for inflation, whether inflation, air supply or pressurization, but when the air pump is used, the noise is very annoying, and besides the sound generated when the air flow flows through the pipeline, the noise made by the air pump itself is not acceptable, and what is more, the sound is the sound of the combination of the two, and if the articles are in such an environment for a long time, the nerve of the articles is certainly damaged and affected, so related manufacturers have proposed related improvements to the problem, such as TW M543930, CN 104533764B, CN206017178U, CN 206636756U, CN 206707959U, CN 206723059U, CN 206770323U, and the like.

In the TW M543930 patent, a noise reduction structure of an air pump is disclosed, which mainly comprises an air pump sound insulation unit and a noise reduction unit, and a connection unit is connected between the air pump sound insulation unit and the noise reduction unit. The air pump sound insulation unit is mainly provided with a sound insulation structure capable of suppressing noise outside a motor element and an air pump element which can make noise, and is matched with another silencing unit, so that the noise of air flow transmitted from an air pipe is reduced in the silencing unit.

In view of the above, although the TW M543930 patent proposes a noise reduction structure, it provides an air pump and related accessories, which can achieve the purpose of reducing noise by connecting a noise reduction unit in addition to the original air pump.

Disclosure of Invention

The main purpose of the present invention is to solve the problem that the noise can be reduced only by using another structure in the prior embodiment.

To achieve the above object, the present invention provides an air pump for reducing noise, which is mainly composed of an integrated air supply module, an air pump housing and at least one damping fixing ring, wherein the integrated air supply module includes a motor and a pump assembly connected to the motor, the air pump housing is composed of a first half shell and a second half shell, the integrated air supply module is provided in the air pump housing, but does not directly contact the integrated air supply module, and the air pump housing has a sound insulation space formed between the air pump housing and the integrated air supply module, and a plurality of sound absorption protrusions arranged on one side of the air pump housing facing the integrated air supply module and protruding toward the sound insulation space, and at least one damping fixing ring arranged in the sound insulation space and fixing the integrated air supply module in the position of the air pump housing, the damping fixing ring has a ring body and a plurality of air pump bodies arranged on one side of the ring body facing the integrated air supply module and protruding toward the sound insulation space The buffer blocks are arranged at intervals, and each buffer block is in surface contact with the integrated air supply module.

In one embodiment, the first housing has a first opening on the first housing, the first opening includes a first protrusion and a first recess connected to the first protrusion, the second housing has a second housing and a second opening on the second housing and contacting the first opening when assembled, the second opening includes a second recess connected to the first protrusion and a second protrusion connected to the second recess and connected to the first recess.

In one embodiment, the integrated air supply module has two damping rings, one of which is disposed corresponding to the motor, and the other is disposed corresponding to the pump assembly.

In one embodiment, one of the pair of damping fixing rings, which is disposed corresponding to the motor, has a ring body and a plurality of buffer blocks disposed at intervals on a side of the ring body facing the integrated air supply module, and each of the buffer blocks is in contact with an outer surface of the integrated air supply module.

In one embodiment, the first housing has a first housing portion, two second housing portions respectively disposed at one end of the first housing portion and extending in a direction intersecting with the first housing portion, and an air inlet opening disposed at a connection between the first housing portion and the second housing portion.

In one embodiment, the motor has a first end facing the pump assembly and a second end remote from the pump assembly, the pump assembly has a third end facing the motor and a fourth end remote from the motor, and one of the two pairs of damping rings is disposed at the second end of the motor and the other is disposed at the fourth end of the pump assembly.

In one embodiment, the first half shell has two first fixing grooves for respectively providing one of the damping fixing rings, and the second half shell has two second fixing grooves for respectively providing one of the damping fixing rings.

In one embodiment, the first half shell has at least one first fastener corresponding to the first opening, and the second half shell has at least one second fastener corresponding to the second opening and assembled with the first fastener.

In one embodiment, the first half shell has a first band opening close to one of the first fasteners, and the second half shell has a second band opening close to one of the second fasteners.

In one embodiment, the air pump housing has a channel, the integrated air supply module has an air outlet pipe disposed in the channel, and the air pump has a shock-absorbing fixing ring sleeved on the air outlet pipe and disposed in the channel.

As can be seen from the above, compared with the prior art, the present invention has the following advantages:

the air pump comprises the air pump shell provided with the sound-absorbing lug and the sound-insulating space, and the noise and vibration generated when the integrated air supply module in the air pump operates can be effectively reduced by the arrangement of the sound-absorbing lug and the sound-insulating space. In addition, the invention also has the air inlet opening, when the integrated air supply module operates, the air flow enters the air pump shell from the air inlet opening, and the hot air is taken out through the air outlet pipe. Therefore, the additional silencing unit can be saved, the problem of overheating is avoided, and unnecessary cost and space can be saved.

Drawings

Fig. 1 is a schematic view of an air pump structure according to an embodiment of the invention.

Fig. 2 is an exploded view of an air pump according to an embodiment of the invention.

Fig. 3 is a schematic cross-sectional view of an air pump according to an embodiment of the present invention.

FIG. 4 is a schematic view of a shock absorbing fixing ring according to an embodiment of the present invention.

Fig. 5 is a top view of the air pump according to an embodiment of the present invention.

Wherein the reference numerals are:

100 integrated gas supply module

110 motor

111 first end

112 second end

120 pump assembly

121 third end

122 fourth end

130 air outlet pipe

200 air pump casing

210 first half shell

211 first shell

212 first opening

213 first projection

214 first recess

215 first fixing groove

216 first fastener

217 first band opening

218 first shell portion

219 second shell part

220 second half-shell

221 second shell

222 second opening

223 second projection

224 second recess

225 second fixing groove

226 second latch

227 second strap opening

228 first shell part

229 second shell part

230 Sound-absorbing bump

240 air inlet opening

250 channel

310 shock-absorbing fixing ring

311 Ring body

312 buffer block

320 shock-absorbing fixing ring

330 shock-absorbing fixing ring

400 sound insulation space

500 air pump

Detailed Description

The present invention is described in detail and technical content with reference to the accompanying drawings, wherein:

referring to fig. 1 to 5, the present invention provides an air pump 500 for reducing noise, wherein the air pump 500 is formed by assembling an integrated air supply module 100, an air pump housing 200, and at least one damping fixing ring 310, the integrated air supply module 100 includes a motor 110 and a pump assembly 120 connected to the motor, the air pump housing 200 is formed by assembling a first half-shell 210 and a second half-shell 220, the first half-shell 210 has a first shell 211 and a first opening 212 on the first shell 211, the first opening 212 includes a first protrusion 213 and a first recess 214 connected to the first protrusion 213, the second half-shell 220 has a second shell 221 and a second opening 222 on the second shell 221 and contacting the first opening 212 during assembling, the second opening 222 includes a second recess 224 assembled to the first protrusion 213 and a connecting joint connected to the second recess 224 and connected to the first recess 214 The at least one damping fixing ring 310 has a ring body 311 and a plurality of buffer blocks 312 disposed at intervals on a side of the ring body facing the integrated air supply module 100, each of the buffer blocks 312 is in contact with an outer surface of the integrated air supply module 100, and the ring body 311 not in direct contact with the integrated air supply module 100 forms a channel for air flow.

Referring to fig. 2, 3 and 4, in one embodiment, the integrated air supply module 100 may further include two damping fixing rings (310, 320), one of the two damping fixing rings (310, 320) is disposed corresponding to the motor 110, and the other is disposed corresponding to the pump assembly 120. The motor 110 has a first end 111 facing the pump assembly 120 and a second end 112 away from the pump assembly 120, the pump assembly 120 has a third end 121 facing the motor 110 and a fourth end 122 away from the motor 110, one of the two damping rings (310, 320) is disposed at the second end 112 of the motor 110, and the other is disposed at the fourth end 122 of the pump assembly 120. On the other hand, the damping fixing ring 310 disposed corresponding to the position of the motor 110 has a ring body 311 and a plurality of buffer blocks 312 disposed at intervals on the ring body 311 and facing one side of the integrated air supply module 100, each buffer block 312 facing one side of the integrated air supply module 100 is in external contact with the integrated air supply module 100, two first fixing grooves 215 for respectively providing one of the damping fixing rings (310, 320) are disposed in the first half-shell 210, and two second fixing grooves 225 for respectively providing one of the damping fixing rings (310, 320) are disposed in the second half-shell 220.

In one embodiment, when the first half-shell 210 is combined with the second half-shell 220 to form the air pump housing 200, the first protrusion 213 of the first half-shell 210 is assembled with the second recess 224 of the second half-shell 220, the first recess 214 of the first half-shell 210 is assembled with the second protrusion 223 of the second half-shell 220, and when the integrated air supply module 100 is disposed therein and does not directly contact the integrated air supply module 100, a sound insulation space 400 is formed between the air pump housing 200 and the integrated air supply module 100, and a plurality of sound absorption protrusions 230 are disposed on a side of the air pump housing 200 facing the integrated air supply module 100 and protrude toward the sound insulation space 400, and the two damping fixing rings (310, 320) are disposed in the sound insulation space 400 and fix the integrated air supply module 100 in position in the air pump housing 200.

The sound-absorbing protrusion 230 of the air pump housing 200 facing the integrated air supply module 100 and protruding toward the sound-insulating space 400 is a protrusion with a corrugated shape, so that the noise generated by vibration can be partially offset by the wave shape when the noise is transmitted through the air and then reflected back, and the noise to be leaked can be reduced.

Referring to fig. 1 and 2, in another embodiment, the operation of the air pump 500 is described, first, when the air pump 500 is operated, the integrated air supply module 100 is configured with an air outlet tube 130 having a shock-absorbing fixing ring 330, so as to limit the amount of movement of the pump assembly 120 of the integrated air supply module 100 in the air pump housing 200 along the axial direction of the air outlet tube 130, reduce the shock transmitted from the integrated air supply module 100 to the air pump housing 200, and prevent the noise generated by the integrated air supply module 100 from being transmitted along the slits, and simultaneously absorb part of the noise energy according to the sound-absorbing protrusions 230 disposed on the side of the air pump housing 200 facing the integrated air supply module 100 and protruding toward the sound-insulating space 400.

Accordingly, the two damping fixing rings (310, 320) can support the integrated air supply module 100 fixed in the air pump housing 200 and reduce the vibration generated during the operation of the integrated air supply module 100, thereby reducing the noise generated by the vibration. Furthermore, the positions of the shock absorbing fixing rings (310, 320) and the shock absorbing fixing ring 330 are only an example of the embodiments provided herein, and are not intended to limit the present invention.

Referring to fig. 2, the first housing 211 has a first housing portion 218, two second housing portions 219 respectively disposed at one end of the first housing portion 218 and extending in a direction intersecting with the first housing portion 218, and an air inlet opening 240 disposed at a connection between the first housing portion 218 and one of the second housing portions 219. On the contrary, the second casing 221 has a first casing portion 228, two second casing portions 229 respectively disposed at one end of the first casing portion 228 and extending in a direction intersecting with the first casing portion 228, and an air inlet opening 240 disposed at a junction of the first casing portion 228 and one of the second casing portions 229.

Referring to fig. 1, 2 and 5, the air pump housing 200 has a channel 250, the integrated air supply module 100 has an outlet tube 130 disposed in the channel 250, and the air pump 500 has a shock-absorbing fixing ring 330 sleeved on the outlet tube 130 and disposed in the channel 250. When the integrated air supply module 100 is operated, the air flow enters from the air inlet 240 and passes through the damping fixing ring 310 fixed on the motor 110 to enter the sound-insulating space 400, and when the air flow passes through the motor 110, the air flow carries away a part of hot air emitted from the motor 110 during operation, and simultaneously the heat source collected in the sound-insulating space 400 is discharged out of the air pump housing 200 through the passage 250.

Referring to fig. 2, the first half shell 210 has at least one first fastener 216 corresponding to the first opening 212, the second half shell 220 has at least one second fastener 226 corresponding to the second opening 222 and assembled with the first fastener 216, the first half shell 210 has a first band opening 217 close to one of the first fasteners 216, and the second half shell 220 has a second band opening 227 close to one of the second fasteners 226. When the first half-shell 210 is combined with the second half-shell 220 to form the air pump housing 200, the first locking member 216 disposed on the first half-shell 210 is combined with the second locking member 226 disposed on the second half-shell 220, so that the first half-shell 210 and the second half-shell 220 are closer to each other, and the dynamic noise of the motor can be prevented from overflowing. In addition, the first strap opening 217 and the second strap opening 227 can be threaded separately or simultaneously by a strap to secure to other components.

Although the present invention has been described in detail, it should be understood that the foregoing is only a preferred embodiment of the present invention, and not as an attempt to limit the application of the invention thereto, and all such changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An air pump of noise reduction which characterized in that:

an integrated air supply module;

the air pump shell is provided with a sound insulation space formed between the integrated air supply module and the air pump shell and a plurality of sound absorption convex blocks which are arranged on one side of the air pump shell facing the integrated air supply module and protrude towards the sound insulation space; and

and the at least one damping fixing ring is arranged in the sound insulation space and fixes the integrated air supply module in the air pump shell.

2. The air pump for reducing noise of claim 1, wherein the damping fixing ring has a ring body and a plurality of buffer blocks spaced apart from each other on a side of the ring body facing the integrated air supply module, each of the buffer blocks contacting an outer surface of the integrated air supply module.

3. The air pump of claim 1, wherein the first housing half has a first housing and a first opening on the first housing, the first opening comprising a first protrusion and a first recess connected to the first protrusion, the second housing half has a second housing and a second opening on the second housing and contacting the first opening when assembled, the second opening comprising a second recess connected to the first protrusion and a second protrusion connected to the second recess and connected to the first recess.

4. The air pump as claimed in claim 3, wherein the first housing has a first housing portion, two second housing portions disposed at one end of the first housing portion respectively and extending in a direction intersecting with the first housing portion, and an air inlet opening disposed at a junction of the first housing portion and one of the second housing portions.

5. The noise-reducing pump of claim 1, wherein the integrated air supply module includes a motor and a pump assembly connected to the motor, the pump having two of the damping rings, one of the two damping rings corresponding to the motor and the other corresponding to the pump assembly.

6. The air pump for reducing noise of claim 5, wherein one of the two damping rings is disposed corresponding to the motor and has a ring body and a plurality of spaced apart damping blocks disposed on a side of the ring body facing the integrated air supply module, each of the damping blocks contacting an outer surface of the integrated air supply module.

7. The noise reducing pump of claim 6, wherein the motor has a first end facing the pump assembly and a second end remote from the pump assembly, the pump assembly has a third end facing the motor and a fourth end remote from the motor, one of the two damping rings is disposed at the second end of the motor, and the other is disposed at the fourth end of the pump assembly.

8. The air pump for reducing noise of claim 6 or 7, wherein the first half shell has two first fixing grooves for respectively providing one of the damping fixing rings, and the second half shell has two second fixing grooves for respectively providing one of the damping fixing rings.

9. The air pump for reducing noise of claim 1, wherein the first housing half has at least one first latch member corresponding to the first opening, and the second housing half has at least one second latch member corresponding to the second opening and assembled with the first latch member.

10. The noise reducing air pump of claim 1, wherein the first housing half has a first strap opening adjacent one of the first latches and the second housing half has a second strap opening adjacent one of the second latches.

11. The noise-reducing air pump of claim 1, wherein the air pump housing has a passage, the integrated air supply module has an outlet tube disposed in the passage, and the air pump has a shock-absorbing fixing ring sleeved on the outlet tube and disposed in the passage.