CN216842125U

CN216842125U - Low-noise base used for miniature air pump

Info

Publication number: CN216842125U
Application number: CN202220369142.5U
Authority: CN
Inventors: 林汉记; 林阳辉
Original assignee: Xiamen Micro Energy Electronic Technology Co ltd
Current assignee: Xiamen Micro Energy Electronic Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-06-28
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses an use low noise base at miniature air pump relates to miniature air pump technical field. The utility model discloses a base, the suction nozzle has been installed to the base lower extreme, and the hush pipe corresponding with the suction nozzle has been installed to base inner wall lower extreme, and the cylinder has been installed to hush pipe inner wall week side, and the conical groove has all been seted up at both ends about the cylinder, has seted up the amortization annular in the cylinder, and a plurality of gas pockets corresponding with the amortization annular are seted up to conical groove inner wall lateral part, and sound subassembly is inhaled to amortization annular inner wall week side dress. The utility model discloses a hush pipe reduces the probability that miniature air pump internal noise was located to the outside transmission from the suction nozzle, through conical groove and gas pocket, amortization annular cooperation, reduces the influence to miniature air pump admits air, cooperates simultaneously to inhale the sound subassembly and absorbs the noise of outside transmission from hush pipe, reduces the influence that miniature air pump noise used to the user.

Description

Low-noise base used for miniature air pump

Technical Field

The utility model belongs to the technical field of miniature air pump, especially, relate to a use low noise base at miniature air pump.

Background

The miniature air pump is a gas conveying device which is small in size, working medium is gaseous, and is mainly used for multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, air pumping, inflating and pressurizing, and the miniature air pump is divided into the following parts according to the purposes: a micro negative pressure pump, a micro vacuum pump, a micro gas circulating pump, a micro gas sampling pump, a micro inflating pump and a micro air pump.

The noise of the inside during operation of current miniature air pump easily transmits the outside through the suction nozzle of base, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use low noise base at miniature air pump has solved the noise of current miniature air pump internal work during, and the suction nozzle of easy through base transmits the outside, influences the technical problem that user's use was experienced.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a use low noise base at miniature air pump, the on-line screen storage device comprises a base, the suction nozzle has been installed to the base lower extreme, the hush pipe corresponding with the suction nozzle has been installed to base inner wall lower extreme, hush pipe and suction nozzle intercommunication, the cylinder has been installed to hush pipe inner wall week side, the conical groove has all been seted up at both ends about the cylinder, the amortization annular has been seted up in the cylinder, the amortization annular lies in the week side of conical groove, a plurality of gas pockets corresponding with the amortization annular are seted up to conical groove inner wall lateral part, the gas pocket communicates with the amortization annular, sound absorbing component is installed to amortization annular inner wall week side.

Optionally, at least one silencing pipe is arranged in the corresponding air inlet nozzle.

Optionally, inhale the sound subassembly including installing the silica gel ring board in amortization annular inner wall week side, silica gel ring board inner wall is the arc structure, and the sound cotton of inhaling has been installed to silica gel ring board inner wall week side.

Optionally, the lower end of the column is provided with a mesh plate.

Optionally, the side part of the silencing pipe is arranged on the side part of the inner wall of the base, and the base, the air inlet nozzle and the silencing pipe are integrally formed.

Optionally, an air chamber shell is arranged at the upper end of the base, a pump body is arranged in the air chamber shell, an upper cover is arranged at the upper end of the air chamber shell, a motor is arranged at the lower end of the base, and the air inlet nozzle is located on the side portion of the motor.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment reduces the probability that miniature air pump internal noise passes from the suction nozzle to the outside transmission through the hush pipe, through the cooperation of bell groove and gas pocket, hush ring annular, reduces the influence of admitting air to miniature air pump, and the noise that the noise subassembly absorbed from the hush pipe to the outside transmission is inhaled in the cooperation simultaneously, reduces the influence that miniature air pump noise used to the user.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a micro air pump according to an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a base according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a base according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3.

Wherein the figures include the following reference numerals:

the air inlet structure comprises a base 1, an air inlet nozzle 101, a silencing pipe 102, a cylinder 2, a conical groove 201, an air hole 202, a silencing ring groove 203, a screen plate 3, a silica gel ring plate 4, sound-absorbing cotton 5, an air chamber shell 6, a pump body 7, an upper cover 8 and a motor 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-4, in the present embodiment, a low noise base for a micro air pump is provided, including: the base 1, the suction nozzle 101 has been installed to base 1 lower extreme, the hush pipe 102 corresponding with suction nozzle 101 has been installed to base 1 inner wall lower extreme, hush pipe 102 and suction nozzle 101 intercommunication, hush pipe 102 inner wall week side has installed cylinder 2, tapered slot 201 has all been seted up at both ends about the cylinder 2, tapered slot 201 is the infundibulate structure, seted up amortization annular 203 in the cylinder 2, hush annular 203 is located the week side of tapered slot 201, a plurality of gas pockets 202 corresponding with hush annular 203 have been seted up to tapered slot 201 inner wall lateral part, gas pocket 202 communicates with hush annular 203, hush annular 203 inner wall week side installation component.

The application of one aspect of the embodiment is as follows: during the use, the inside noise of miniature air pump gets into through amortization pipe 102 earlier, then receive cylinder 2 to block, after the noise got into gas pocket 202 through the tapered groove 201 above the cylinder 2, rethread gas pocket 202 got into in the amortization annular 203 and is inhaled the sound subassembly and absorb, the noise reduction transmits to the external world, when the suction nozzle 101 was intake, the air got into amortization pipe 102 through suction nozzle 101, then got into in the amortization annular 203 through tapered groove 201 and gas pocket 202 below the cylinder 2, at last rethread cylinder 2 above tapered groove 201 and gas pocket 202 got into inside the miniature air pump.

The probability that the internal noise of the miniature air pump is transmitted from the air inlet nozzle 101 to the outside is reduced through the silencing pipe 102, the influence on air inlet of the miniature air pump is reduced through the matching of the tapered groove 201, the air hole 202 and the silencing ring groove 203, and meanwhile, the influence on use of the miniature air pump due to the fact that the noise is absorbed by the sound absorption assembly in a matching mode and transmitted from the silencing pipe 102 to the outside is reduced.

As shown in fig. 3 to 4, the intake nozzle 101 of the present embodiment is provided with at least one muffler pipe 102 inside thereof. Inhale the sound subassembly including installing the silica gel ring board 4 in amortization annular 203 inner wall week side, the 4 inner walls of silica gel ring board are the arc structure, and 4 inner wall week sides of silica gel ring board have been installed and have been inhaled sound cotton 5, inhale the inner wall that silica gel ring board 4 was hugged closely to sound cotton 5 to the messenger inhales sound cotton 5 and is the arc structure. The lower end of the cylinder 2 is provided with a screen plate 3, and the probability that external foreign matters enter the interior of the micro air pump is reduced through the screen plate 3.

As shown in fig. 2, the side of the muffler pipe 102 of the present embodiment is installed on the side of the inner wall of the base 1, the intake nozzle 101, and the muffler pipe 102 are integrally formed, and the side of the muffler pipe 102 is installed on the side of the inner wall of the base 1, thereby reducing the probability of the muffler pipe 102 being damaged by bending.

As shown in fig. 1, an air chamber housing 6 is mounted on the upper end of a base 1 of the present embodiment, a pump body 7 is mounted in the air chamber housing 6, and an upper cover 8 is mounted on the upper end of the air chamber housing 6. The lower end of the base 1 is provided with a motor 9, the air inlet nozzle 101 is positioned on the side part of the motor 9, and the pump body 7 is positioned between the upper cover 8 and the base 1.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. A low noise base for a miniature air pump, comprising: the air inlet nozzle (101) is installed to base (1), suction nozzle (101) has been installed to base (1) lower extreme, hush pipe (102) corresponding with suction nozzle (101) have been installed to hush pipe (102) inner wall week side, tapered groove (201) have all been seted up at both ends about cylinder (2), amortization annular groove (203) have been seted up in cylinder (2), a plurality of gas pockets (202) corresponding with amortization annular groove (203) have been seted up to tapered groove (201) inner wall lateral part, sound subassembly is inhaled to sound is installed to amortization annular groove (203) inner wall week side.

2. A low noise base for a micro air pump according to claim 1, wherein the inlet nozzle (101) is provided with at least one silencing tube (102) in correspondence with the inside.

3. The low noise base for a micro air pump according to claim 1, wherein the sound absorbing member comprises a silicone ring plate (4) disposed around the inner wall of the sound-deadening ring groove (203), and the sound-absorbing cotton (5) is disposed around the inner wall of the silicone ring plate (4).

4. A low noise base for a micro air pump according to claim 1, wherein the lower end of the cylinder (2) is provided with a mesh plate (3).

5. A low noise base for a micro air pump according to claim 1, wherein the side of the muffler pipe (102) is installed at the side of the inner wall of the base (1).

6. A low noise base for a micro air pump according to claim 1, wherein the upper end of the base (1) is provided with an air chamber housing (6), the air chamber housing (6) is provided with a pump body (7), and the upper end of the air chamber housing (6) is provided with an upper cover (8).

7. A low noise base for a micro air pump according to claim 1, wherein the base (1) is provided at a lower end thereof with a motor (9), and the air inlet nozzle (101) is provided at a side portion of the motor (9).