CN215979812U

CN215979812U - Low-noise air pump

Info

Publication number: CN215979812U
Application number: CN202122567245.0U
Authority: CN
Inventors: 赵静; 李标胜
Original assignee: Dongguan Jingbofang Precision Electronics Co ltd
Current assignee: Dongguan Jingbofang Precision Electronics Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-08
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a low-noise air pump which comprises an upper cover, a lower cover, an air bag base and a base which are installed in a matched mode, wherein a cavity is formed between the upper cover, the lower cover, the air bag base and the base, gaskets are arranged on the upper cover and the lower cover, an air inlet channel and an air outlet channel are arranged on the lower cover, a one-way air inlet valve and a one-way air outlet valve are arranged on the gaskets, the one-way air inlet valve and the one-way air outlet valve are respectively connected with the air inlet channel and the air outlet channel, an air inlet hole is formed in one side of the base and communicated with the cavity, an air outlet is formed in the top of the upper cover and connected with the one-way air outlet valve, and a motor is arranged at the bottom of the base. According to the utility model, the air inlet is additionally arranged on the side edge of the base, and the air inlet channel and the air outlet channel are additionally arranged on the lower cover, so that the stability of air flow is improved, the impact force of the air flow is reduced, the sound of the air pump is effectively improved, the sound can be reduced from 60dB to 50dB, and the user experience is greatly improved.

Description

Low-noise air pump

Technical Field

The utility model relates to the technical field of air pumps, in particular to a low-noise air pump.

Background

Air pump noise is all bigger on the market now, has not upgraded the project organization for many years, and current air pump noise has not satisfied the demand that the customer was lower noise, now through adjusting the air pump runner, can effectively improve the noise, and user experience feels better.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a low noise air pump that solves the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low noise air pump, includes upper cover, lower cover, base, gasbag base and motor, upper cover, lower cover, gasbag base and base cooperation installation, just form the cavity between upper cover, lower cover, gasbag base and the base, be provided with the gasket between upper cover and the lower cover, the lower cover is provided with into the gas flow way and gives vent to anger the runner, be provided with one-way admission valve and one-way air outlet valve on the gasket, one-way admission valve and one-way air outlet valve are connected with into the gas flow way and the runner of giving vent to anger respectively, base one side is provided with the inlet port, and this inlet port is linked together with the cavity, the upper cover top is provided with the gas outlet, the gas outlet is connected with one-way air outlet valve, the motor sets up in the base bottom.

Preferably, the gasket and the lower cover are provided with diversion holes corresponding in position.

Preferably, be provided with rubber airbag on the gasbag base, rubber airbag upper end is connected with the lower cover, rubber airbag covers the inlet channel and gives vent to anger the runner lower extreme, rubber airbag is located the cavity, insert in the cavity behind the pivot of motor running through the base, just be connected with the eccentric wheel in the pivot of motor, still be provided with the swing arm in the cavity, the swing arm is connected with rubber airbag lower extreme, the swing arm lower extreme is connected with the transmission shaft, in the embedding eccentric wheel of transmission shaft lower extreme, the embedded steel ball that is equipped with of eccentric wheel, the transmission shaft bottom is connected with the steel ball contact.

Preferably, the lower cover is provided with four air inlet channels and four air outlet channels, the four air inlet channels are located on the outer sides of the circumferences of the four air outlet channels, and the gasket is provided with four corresponding one-way air inlet valves and four corresponding one-way air outlet valves.

Preferably, the number of the rubber air bags is four, and each rubber air bag covers one air inlet flow channel and one air outlet flow channel.

Preferably, the upper cover and the lower cover are both made of POM materials.

Preferably, the upper cover, the lower cover, the air bag base and the base are installed in a matched mode through clamp springs.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the air inlet hole is formed in one side of the base, so that the air flow sound of the air pump is improved, the impact force of the air flow is reduced by arranging the air inlet flow passage and the air outlet flow passage, the sound of the air pump is effectively improved, the noise can be reduced to 50dB from 60dB, and the user experience is greatly improved.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention includes: the utility model provides a low noise air pump, includes upper cover 2, lower cover 4, base 12, gasbag base 6 and motor 13, upper cover 2, lower cover 4, gasbag base 6 and base 12 top-down cooperate the installation according to proper order, just form the cavity between upper cover 2, lower cover 4, gasbag base 6 and the base 12, be provided with gasket 3 between upper cover 2 and the lower cover 4, the lower cover 4 is provided with inlet flow 411 and outlet flow 412, be provided with one-way admission valve 311 and one-way air outlet valve 312 on the gasket 3, one-way admission valve 311 and one-way air outlet valve 312 are connected with inlet flow 411 and outlet flow 412 respectively, base 12 one side is provided with inlet port 1211, this inlet port 1211 is linked together with the cavity, upper cover 2 top is provided with gas outlet 211, gas outlet 211 is connected with one-way air outlet valve 312, motor 13 sets up in base 12 bottom.

The air inlet 1211 arranged on one side of the base 12 changes the air inlet mode, can buffer the impact force of the air flow, increases the air path by arranging the air inlet channel 411 and the air outlet channel 412 on the lower cover 4, increases the stability of the air flow, reduces the impact force of the air flow, effectively reduces the sound of the air pump, and can be reduced to 50dB from the traditional 60dB, thereby greatly improving the user experience.

Preferably, the gasket 3 and the lower cover 4 are provided with guiding holes (not shown) at corresponding positions, and the guiding holes are used for guiding gas between the upper cover 2 and the lower cover 4.

Preferably, the rubber airbag 5 is arranged on the airbag base 6, the upper end of the rubber airbag 5 is connected with the lower cover 4, the rubber airbag 5 covers the lower ends of the air inlet channel 411 and the air outlet channel 412, an airbag cavity is arranged in the rubber airbag 5 and is respectively communicated with the corresponding air inlet channel 411 and the air outlet channel 412, the rubber airbag 5 is positioned in the cavity, the rotating shaft of the motor 13 penetrates through the base and then is inserted into the cavity, the rotating shaft of the motor 13 is connected with an eccentric wheel 10, a swing arm 7 is also arranged in the cavity, the swing arm 7 is connected with the lower end of the rubber airbag 5, the lower end of the swing arm 7 is connected with a transmission shaft 8, the lower end of the transmission shaft 8 is embedded into the eccentric wheel 10, a steel ball 9 is embedded in the eccentric wheel 10, the bottom of the transmission shaft 8 is in contact connection with the steel ball 7, the swing arm 7 is in an inclined state, and under the action of the swing arm 7, the two rubber bladders 5 located at the opposite positions are in a state of being pulled down and pushed up, respectively.

In this embodiment, the lower cover 4 is provided with four inlet flow channels 411 and four outlet flow channels 412, the four inlet flow channels 411 are located on the outer sides of the circumferences of the four outlet flow channels 412, the gasket 3 is provided with four corresponding one-way inlet valves 311 and four one-way outlet valves 322, the number of the rubber airbags 5 is four, and each rubber airbag 5 covers one corresponding inlet flow channel 411 and one corresponding outlet flow channel 412.

Preferably, upper cover 2 and lower cover 4 are the POM material, and this material has very high intensity to be difficult to warp, can realize higher temperature resistance, adapts to more abominable service environment.

Preferably, upper cover 2, lower cover 4, gasbag base 6 and base 12 pass through 1 cooperation installations of jump ring, use 1 chucking of jump ring to link together, and 1 structure of jump ring can effectually absorb the deformation of air pump operation in-process, can the life-span of effectual increase air pump.

Further, the base 12 is fixedly connected with the motor 13 through the screw 11, and the screw 11 can prevent the base 12 and the motor 13 from rotating relatively when the motor 13 is driven.

The working principle is as follows: the motor 13 drives the eccentric wheel 10 to rotate, the eccentric wheel 10 drives the swing arm 7 through the transmission shaft 8, the swing arm 7 is pushed to swing up and down at an angle, and the swing arm 7 pushes the rubber air bag 5 to reciprocate up and down. The swing arm 7 can pull the plurality of rubber airbags 5 downwards in sequence, vacuum is generated inside the airbag cavities of the rubber airbags 5 in the pull-down state, so that the pressure inside the airbag cavities is smaller than the external atmospheric pressure, air flows in through the air inlet 1211 on one side of the base 12 and flows upwards between the upper cover 2 and the lower cover 4 under the action of pressure difference, flows downwards into the rubber airbags 5 through the air inlet channel 411 of the lower cover 4 through the one-way air inlet valve 311 on the gasket 3, the rubber airbags 5 generate pressure through upward pushing of the swing arm 7, so that the pressure inside the airbag cavities is larger than the external atmospheric pressure, and the air flows out through the air outlet channel 412 of the lower cover 4 under the action of the pressure difference and flows out through the one-way air outlet valve 412 on the gasket 3, and finally is discharged through the air outlet 211; because a plurality of rubber airbags 5 are arranged and the swing arms 7 drive the rubber airbags 5 to swing up and down in sequence, the airflow is continuously output.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A low noise air pump, its characterized in that: including upper cover, lower cover, base, gasbag base and motor, upper cover, lower cover, gasbag base and base cooperation installation, just form the cavity between upper cover, lower cover, gasbag base and the base, be provided with the gasket between upper cover and the lower cover, the lower cover is provided with into the runner and gives vent to anger the runner, be provided with one-way admission valve and one-way air outlet valve on the gasket, one-way admission valve and one-way air outlet valve are connected with into the runner and the runner of giving vent to anger respectively, base one side is provided with the inlet port, and this inlet port is linked together with the cavity, the upper cover top is provided with the gas outlet, the gas outlet is connected with one-way air outlet valve, the motor sets up in the base bottom.

2. A low noise air pump according to claim 1, wherein: the gasket and the lower cover are provided with diversion holes corresponding in position.

3. A low noise air pump according to claim 1, wherein: be provided with rubber airbag on the gasbag base, rubber airbag upper end is connected with the lower cover, rubber airbag covers the inlet channel and gives vent to anger the runner lower extreme, rubber airbag is located the cavity, insert in the cavity behind the pivot of motor running through the base, just be connected with the eccentric wheel in the pivot of motor, still be provided with the swing arm in the cavity, the swing arm is connected with the rubber airbag lower extreme, the swing arm lower extreme is connected with the transmission shaft, in the embedding eccentric wheel of transmission shaft lower extreme, the embedded steel ball that is equipped with of eccentric wheel, the transmission shaft bottom is connected with the steel ball contact.

4. A low noise air pump according to claim 1, wherein: the lower cover is provided with four air inlet channels and four air outlet channels, the four air inlet channels are located on the outer sides of the circumferences of the four air outlet channels, and the gasket is provided with four corresponding one-way air inlet valves and four corresponding one-way air outlet valves.

5. A low noise air pump according to claim 3, wherein: the rubber air bags are provided with four rubber air bags, and each rubber air bag covers one air inlet flow channel and one air outlet flow channel.

6. A low noise air pump according to claim 1, wherein: the upper cover and the lower cover are both made of POM materials.

7. A low noise air pump according to claim 1, wherein: the upper cover, the lower cover, the air bag base and the base are installed in a matched mode through clamp springs.