CN208534728U - A kind of Miniature electric air pump of band filtering - Google Patents

Abstract

The utility model discloses a kind of Miniature electric air pumps of band filtering, shell including motor, belt spool, the motor is mounted on outside shell, spool movement in the motor driven shell, it further includes filter that the shell, which is equipped with air inlet and exhaust outlet, the filter is fixedly mounted on outside shell, the filter includes main body, strainer cover, and the upper end of the main body is open, and the strainer cover covers the upper end of main body；The main body includes front end face and rear end face, and the rear end face includes two access ports, and the air inlet is connected with exhaust outlet respectively at two access ports；The front end face of the main body includes the second air inlet and second exhaust port, is placed with filtration core in the main body.The utility model, so that the gas of circulation can first pass around filter, avoids the inside that the dust in air enters electrodynamic pump by increasing filter in existing electric air pump.

Description

A kind of Miniature electric air pump of band filtering

Technical field

The utility model relates to a kind of air pump, especially miniature electric air pump.

Background technique

Micro air pump refers to that compact, working media are gaseous state, is mainly used for gas sampling, gas circulation, vacuum suction A kind of air transporting arrangement that is attached, the multiple uses such as vacuum pressure maintaining, being evacuated, inflate, being pressurized.The working principle of micro air pump are as follows: The circular motion of motor makes the cylinder inside pump do reciprocating, so that the air in pump chamber be made to be formed by mechanical device Positive/negative-pressure circulation change generates pressure difference with external atmosphere pressure at air inlet, under the action of pressure difference, by gas suction pump Chamber, then gas is discharged from gas outlet.In existing Miniature electric air pump, the entrance and discharge of air are all directly to connect with air It is logical, and when having biggish dust impurities in air, these dust are easily accessible the inside of electrodynamic pump, to electric air pump It damages.

Utility model content

Technical problem to be solved by the utility model is: providing a kind of Novel micro that can protect electrodynamic pump internal component Electric air pump.

The solution that the utility model solves its technical problem is: a kind of Miniature electric air pump of band filtering, including electricity The shell of machine, belt spool, the motor are mounted on outside shell, the spool movement in the motor driven shell, on the shell It further include filter equipped with air inlet and exhaust outlet, the filter is fixedly mounted on outside shell, and the filter includes master The upper end of body, strainer cover, the main body is open, and the strainer cover covers the upper end of main body；The main body includes front end Face and rear end face, the rear end face include two access ports, and the air inlet is connected with exhaust outlet respectively at two access ports；Institute The front end face for stating main body includes the second air inlet and second exhaust port, is placed with filtration core in the main body.

It as a further improvement of the above technical scheme, further include pedestal, the motor is mounted in pedestal, the pedestal It is fixed on the leading flank of shell, the air inlet and exhaust outlet are mounted on the upper surface of shell, and the filter is mounted on pedestal Top, connecting plate is also equipped with above the strainer cover, the front end of the connecting plate and strainer cover pass through bolt company It connects, the rear end of the connecting plate is fixedly connected with the casing by bolt.

As a further improvement of the above technical scheme, the shell includes fixed frame, side cover and upper cover, the pedestal peace Mounted in the front end of fixed frame, the side cover is mounted on the rear end of fixed frame, and the upper cover is mounted on the top of fixed frame, the company Fishplate bar is connect with the upper cover.

As a further improvement of the above technical scheme, the upper lid is equipped with mute plate.

It as a further improvement of the above technical scheme, further include gasket between the main body and strainer cover, it is described The inner face of access port is equipped with O-ring seal.

The beneficial effects of the utility model are: the utility model is by increasing filter in existing electric air pump, So that the gas of circulation can first pass around filter, the inside that the dust in air enters electrodynamic pump is avoided.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is the stereoscopic schematic diagram of the utility model；

Fig. 2 is the explosive view of the utility model.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each technology in the invention is special Sign, can be with combination of interactions under the premise of not conflicting conflict.

Referring to Fig.1~Fig. 2, a kind of Miniature electric air pump of band filtering, the shell 2 including motor 1, belt spool, the electricity Machine 1 is mounted on outside shell 2, and the spool movement in 1 drive shell 2 of motor, the shell 2 is equipped with air inlet and exhaust Mouthful, it further include filter 3, the filter 3 is fixedly mounted on outside shell 2, and the filter 3 includes main body 31, strainer cover 32, the upper end of the main body 31 is open, and the strainer cover 32 covers the upper end of main body 31；The main body 31 includes front end face With rear end face, the rear end face includes two access ports, and the air inlet is connected with exhaust outlet respectively at two access ports；It is described The front end face of main body 31 includes the second air inlet and second exhaust port, is placed with filtration core in the main body 31.Pass through the mistake of installation Filter, can make the air of electric air pump pass in and out from the second air inlet and second exhaust port, and air is entering electric air pump Filtration core can be passed through before, avoid the inside that air enters electric air pump.

It is further used as preferred embodiment, further includes pedestal 4, the motor 1 is mounted in pedestal 4, the pedestal 4 It is fixed on the leading flank of shell 2, the air inlet and exhaust outlet are mounted on the upper surface of shell 2, and the filter 3 is mounted on bottom The top of seat 4, the top of the strainer cover 32 are also equipped with connecting plate, and front end and the strainer cover 32 of the connecting plate pass through It is bolted, the rear end of the connecting plate is fixedly connected by bolt with shell 2.The shell 2 includes fixed frame 21, side cover 22 With upper cover 23, the pedestal 4 is mounted on the front end of fixed frame 21, and the side cover 22 is mounted on the rear end of fixed frame 21, it is described on Lid 23 is mounted on the top of fixed frame 21, and the connecting plate is connect with the upper cover 23.It, can be with by above-mentioned mounting structure So that the connection of filter and electric air pump is even closer, and overall structure is more compact, and volume is smaller.

It is further used as preferred embodiment, the upper cover 23 is equipped with mute plate.

It is further used as preferred embodiment, further includes gasket 33, institute between the main body 31 and strainer cover 32 The inner face for stating access port is equipped with O-ring seal.

In order to keep the normal work of air pump, the spool generally comprised eccentric wheel 51, rocker 52, piston sheet 53 with And cylinder body 54, the main shaft band movable eccentric wheel of motor rotates, and eccentric shaft moves back and forth in rocker, and rocker drives piston sheet to exist It is moved up and down in cylinder body, so that foring the effect of air-breathing and exhaust in cylinder body.And in the case where guaranteeing enough intensity, it is Saving material, the fixing clamp is using frame structure.

The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (5)

1. a kind of Miniature electric air pump of band filtering, the shell (2) including motor (1), belt spool, the motor (1) are mounted on Outside, the spool movement in motor (1) drive shell (2), the shell (2) is equipped with air inlet and exhaust outlet to shell (2), It is characterized by also including filter (3), the filter (3) is fixedly mounted on shell (2) outside, and the filter (3) includes Main body (31), strainer cover (32), the upper end of the main body (31) is open, and the strainer cover (32) is by the upper end of main body (31) It covers；The main body (31) includes front end face and rear end face, and the rear end face includes two access ports, the air inlet and exhaust Mouth is connected respectively at two access ports；The front end face of the main body (31) includes the second air inlet and second exhaust port, the master Body is placed with filtration core in (31).

2. the Miniature electric air pump of band filtering according to claim 1, it is characterised in that: further include pedestal (4), the electricity Machine (1) is mounted in pedestal (4), and the pedestal (4) is fixed on the leading flank of shell (2), and the air inlet and exhaust outlet are installed In the upper surface of shell (2), the filter (3) is mounted on the top of pedestal (4), and the top of the strainer cover (32) is also pacified Equipped with connecting plate, front end and the strainer cover (32) of the connecting plate are bolted, and the rear end of the connecting plate passes through spiral shell Bolt is fixedly connected with shell (2).

3. the Miniature electric air pump of band filtering according to claim 2, it is characterised in that: the shell (2) includes fixing Frame (21), side cover (22) and upper cover (23), the pedestal (4) are mounted on the front end of fixed frame (21), side cover (22) installation In the rear end of fixed frame (21), the upper cover (23) is mounted on the top of fixed frame (21), the connecting plate and the upper cover (23) it connects.

4. the Miniature electric air pump of band filtering according to claim 3, it is characterised in that: the upper cover (23) is equipped with quiet Tablet.

5. the Miniature electric air pump of band filtering according to claim 1, it is characterised in that: the main body (31) and filter It further include gasket (33) between lid (32), the inner face of the access port is equipped with O-ring seal.