CN218624592U - Miniature air pump with stable structure - Google Patents
Miniature air pump with stable structure Download PDFInfo
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- CN218624592U CN218624592U CN202222682323.6U CN202222682323U CN218624592U CN 218624592 U CN218624592 U CN 218624592U CN 202222682323 U CN202222682323 U CN 202222682323U CN 218624592 U CN218624592 U CN 218624592U
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- air bag
- air
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- rubber
- air pump
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Abstract
The utility model discloses a stable in structure's miniature air pump, including miniature air pump, miniature air pump includes: the pumping assembly comprises an air bag base and a rubber air bag which is in compression joint with the air bag base, an air inlet valve plate is arranged on the rubber air bag, a lower cover and an upper cover connected with the lower cover are connected above the air bag base, and a one-way valve core is arranged between the upper cover and the lower cover; the swing arm piece comprises a swing arm which is abutted against the rubber air bag, a group of limiting bosses are symmetrically arranged on the swing arm, and first air inlets are formed in the two limiting bosses; the motor assembly comprises a motor, an output shaft of the motor is connected with an eccentric wheel, and a transmission shaft is connected in the eccentric wheel; the utility model discloses the inlet port face that makes rubber air bag can not tightly lead to gas leakage because of deformation and the inlet port face laminating of swing arm, makes its work more stable, has effectively improved the reliability of product.
Description
Technical Field
The utility model relates to a miniature air pump technical field specifically is a stable in structure's miniature air pump.
Background
The air pump, namely an air pump, is a device for exhausting air from a closed space or adding air from the closed space, and the miniature air pump has the advantages of simple structure, small volume, light weight, low energy consumption and the like, is widely applied to the technical fields of medical instruments, motor vehicles, household appliances and the like, and is closely related to the human living environment. The working principle of the micro air pump is that the piston unit is driven to do vertical linear motion through the rotation motion of the motor, so that the air cylinder part in the piston unit is repeatedly compressed and expanded to execute the inflating function of the micro air pump. The existing miniature air pump has the defects of unstable air pumping, insufficient air pumping amount and the like, and the phenomenon of air leakage is easy to occur.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a miniature air pump with stable structure, which can effectively solve the problem provided by the background technology.
The utility model provides a technical scheme that its technical problem adopted is:
a micro air pump with stable structure comprises a micro air pump, and the micro air pump comprises:
the pumping assembly comprises an air bag base and a rubber air bag which is in compression joint with the air bag base, an air inlet valve plate is arranged on the rubber air bag, a lower cover and an upper cover connected with the lower cover are connected above the air bag base, and a one-way valve core is arranged between the upper cover and the lower cover;
the swing arm piece comprises a swing arm which is abutted against the rubber air bag, a group of limiting bosses are symmetrically arranged on the swing arm, and first air inlets are formed in the two limiting bosses;
the motor assembly comprises a motor, an output shaft of the motor is connected with an eccentric wheel, a transmission shaft is connected in the eccentric wheel, and one end, far away from the eccentric wheel, of the transmission shaft is connected with the swing arm.
As a further elaboration, the motor assembly further comprises a fixed base connected to the airbag base, and the motor is connected with the fixed base through a screw.
As a further elaboration, the rubber air bags are rubber pieces, and the rubber air bags are symmetrically arranged on the air bag base.
As a further elaboration, the eccentric wheel is in press-connection with the output shaft of the motor, an eccentric hole which is eccentric and inclined is formed in the eccentric wheel, the transmission shaft is inserted into the eccentric hole, and a steel ball is arranged at the bottom of the eccentric hole.
As further elaboration, the top of the upper cover protrudes upwards to form a group of air outlet columns, and air outlet holes are formed in the two air outlet columns. As a further explanation, the fixing base is provided with a second air inlet, one end of the fixing base, which is close to the motor, is provided with a positioning column, and the motor is provided with a positioning hole in clearance fit connection with the positioning column.
As a further explanation, the lower cover and the upper cover are clamped to form a first air cavity, the lower cover and the rubber air bag form a second air cavity, a group of flow channels are formed in the lower cover, and the flow channels are communicated with the rubber air bag.
By way of further illustration, the lower cover is connected with the fixed base by screws.
Compared with the prior art, the beneficial effects of the utility model are that:
the miniature air pump of stable in structure that this embodiment provided has increased spacing boss in the swing arm, plays a spacing effect when the lateral wall cooperation with rubber gasbag, makes rubber gasbag's inlet port face can not because deformation and the not tight gas leakage that leads to of the inlet port face laminating of swing arm, and rubber gasbag can not overstretch in the course of the work, makes its work more stable, has effectively improved the reliability of product.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of the swing arm of the present invention;
FIG. 5 is a schematic view of the rubber air bag of the present invention;
fig. 6 is a schematic structural view of the fixing base of the present invention;
fig. 7 is a schematic structural view of the lower cover of the present invention.
The reference numbers in the figures:
1-an airbag base; 2-a rubber air bag; 3, an air inlet valve plate; 4-lower cover; 5, covering the upper cover; 6-one-way valve core; 7-swing arm; 8-limiting boss; 9-a first air intake; 10-a motor; 11-eccentric wheel; 12-a drive shaft; 13-a fixed base; 14-a screw; 15-eccentric hole; 16-steel balls; 17-a gas outlet column; 18-air outlet holes; 19-a second air intake; 20-a positioning column; 21-positioning holes; 22-a first air cavity; 23-a second air cavity; 24-a flow channel; 25-screws.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "horizontal," "vertical," "top," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A structurally stable micro air pump of the present invention will be described in detail with reference to fig. 1 to 7:
a micro air pump with stable structure comprises a micro air pump, and the micro air pump comprises:
the pumping assembly comprises an air bag base 1 and a rubber air bag 2 pressed on the air bag base 1, an air inlet valve plate 3 is arranged on the rubber air bag 2, a lower cover 4 and an upper cover 5 connected with the lower cover 4 are connected above the air bag base 1, and a one-way valve core 6 is arranged between the upper cover 5 and the lower cover 4;
in the embodiment, the number of the swing arms is 7, the swing arms 7 comprise swing arms 7 which are abutted against the rubber air bag 2, a group of limiting bosses 8 are symmetrically arranged on the swing arms 7, and first air inlets 9 are formed in the two limiting bosses 8; because the spacing boss 8 has been increased on the swing arm 7, play when cooperating with the lateral wall of rubber gasbag 2 one and close not tightly and lead to gas leakage, and rubber gasbag 2 can not overstretch in the course of the work, make its work more stable, effectively improved the reliability of product.
In this embodiment, the motor 10 assembly includes a motor 10, an output shaft of the motor 10 is connected with an eccentric wheel 11, a transmission shaft 12 is connected in the eccentric wheel 11, one end of the transmission shaft 12, which is far away from the eccentric wheel 11, is connected with a swing arm 7, the output shaft of the motor 10 drives the eccentric wheel 11 to rotate, an upper oblique angle rotating shaft of the eccentric wheel 11 rotates in a tapered manner, the swing arm 7 is pushed to swing up and down in an angled manner, and the swing arm 7 pushes the rubber airbag 2 to reciprocate up and down.
In this embodiment, the motor 10 assembly further includes a fixing base 13 connected to the airbag base 1, the motor 10 is connected to the fixing base 13 through a screw 14, the fixing base 13 has a second air inlet 19, a positioning column 20 is disposed at one end of the fixing base 13 close to the motor 10, a positioning hole 21 connected to the positioning column 20 in a clearance fit manner is disposed on the motor 10, and the positioning column 20 on the fixing base 13 is in clearance fit with the positioning hole 21 of the motor 10, and the screw 14 is used for locking the motor 10 and the fixing base 13, so that the loosening phenomenon is avoided during the use process.
In this embodiment, the rubber airbag 2 is a rubber member, the rubber airbag 2 is symmetrically disposed on the airbag base 1, and the rubber airbag 2 is a rubber member, so that the rubber airbag is excellent in elasticity and aging resistance, and can be used for a long time.
In this embodiment, the eccentric wheel 11 is pressed on the output shaft of the motor 10, an eccentric and inclined eccentric hole 15 is formed in the eccentric wheel 11, the transmission shaft 12 is inserted into the eccentric hole 15, a steel ball 16 is arranged at the bottom of the eccentric hole 15, the eccentric wheel 11 is pressed on the output shaft of the motor 10 in an interference fit manner, and then the steel ball 16 is assembled at the bottom of the inclined hole of the eccentric wheel 11 in a clearance fit manner.
In this embodiment, the top of the upper cover 5 protrudes upwards to form an air outlet column 17, the air outlet hole 18 is disposed in the air outlet column 17, and the lower cover 4 is connected to the fixing base 13 through a screw 25.
In this embodiment, the lower cover 4 and the upper cover 5 are fastened to form a first air cavity 22, the lower cover 4 and the rubber airbag 2 form a second air cavity 23, and the lower cover 4 is provided with a set of flow channels 24, and the flow channels 24 are communicated with the rubber airbag 2.
The specific working principle is as follows: according to the micro air pump with the stable structure provided by the embodiment, the output shaft of the motor 10 drives the eccentric wheel 11 to rotate, the upper oblique angle rotating shaft of the eccentric wheel 11 rotates in a conical manner, the swing arm 7 swings up and down in an angle manner, the swing arm 7 pushes the rubber air bag 2 to reciprocate up and down, and the rubber air bag 2 is pulled downwards to generate the vacuum cavity, so that the pressure in the air bag cavity is smaller than the external atmospheric pressure, under the action of pressure difference, the air inlet flows in through the air inlet hole in the side surface of the fixed base 13, and the air inlet valve plate 3 of the rubber air bag 2 is opened through the first air inlet hole 9 of the swing arm 7 to flow upwards into the second air cavity 23 formed by the lower cover 4 and the rubber air bag 2; when the rubber air bag 2 is pushed upwards to generate pressure, so that the pressure in the air bag cavity is greater than the external atmospheric pressure, under the action of pressure difference, air flows into a first air cavity 22 formed by the upper cover 5 and the lower cover 4 through a one-way valve sheet through a flow passage 24 of the lower cover 4 and is discharged from the air outlet 18.
To sum up, the miniature air pump of stable in structure that this embodiment provided has increased spacing boss 8 on swing arm 7, plays a spacing effect when the lateral wall cooperation with rubber gasbag 2, makes the inlet port face of rubber gasbag 2 can not be because deformation and the not tight gas leakage that leads to of inlet port face laminating of swing arm 7, and rubber gasbag 2 can not overstretch in the course of the work, makes its work more stable, has effectively improved the reliability of product.
It will be evident to those skilled in the art that the invention 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 invention 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 (8)
1. The utility model provides a stable in structure's miniature air pump, includes miniature air pump, its characterized in that: the micro air pump includes:
the pumping assembly comprises an air bag base and a rubber air bag which is in compression joint with the air bag base, an air inlet valve plate is arranged on the rubber air bag, a lower cover and an upper cover connected with the lower cover are connected above the air bag base, and a one-way valve core is arranged between the upper cover and the lower cover;
the swing arm piece comprises a swing arm which is abutted against the rubber air bag, a group of limiting bosses are symmetrically arranged on the swing arm, and first air inlets are formed in the two limiting bosses;
the motor assembly comprises a motor, an output shaft of the motor is connected with an eccentric wheel, a transmission shaft is connected in the eccentric wheel, and one end, far away from the eccentric wheel, of the transmission shaft is connected with the swing arm.
2. A structurally stabilized micro air pump as set forth in claim 1, wherein: the motor component further comprises a fixing base connected to the air bag base, and the motor is connected with the fixing base through screws.
3. A structurally stabilized micro air pump as set forth in claim 1, wherein: the rubber air bag is a rubber piece and is symmetrically arranged on the air bag base.
4. A structurally stabilized micro air pump as claimed in claim 1, wherein: the eccentric wheel is in press connection with the output shaft of the motor, an eccentric and inclined eccentric hole is formed in the eccentric wheel, the transmission shaft is inserted into the eccentric hole, and a steel ball is arranged at the bottom of the eccentric hole.
5. A structurally stabilized micro air pump as set forth in claim 1, wherein: the top of the upper cover protrudes upwards to form a group of air outlet columns, and air outlet holes are formed in the two air outlet columns.
6. A structurally stabilized micro air pump as set forth in claim 2, wherein: the fixing base is provided with a second air inlet, one end of the fixing base, which is close to the motor, is provided with a positioning column, and the motor is provided with a positioning hole which is in clearance fit connection with the positioning column.
7. A structurally stabilized micro air pump as claimed in claim 1, wherein: the lower cover and the upper cover are clamped to form a first air cavity, the lower cover and the rubber air bag form a second air cavity, a group of flow passages are formed in the lower cover, and the flow passages are communicated with the rubber air bag.
8. A structurally stabilized micro air pump as set forth in claim 2, wherein: the lower cover is connected with the fixed base through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222682323.6U CN218624592U (en) | 2022-10-12 | 2022-10-12 | Miniature air pump with stable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222682323.6U CN218624592U (en) | 2022-10-12 | 2022-10-12 | Miniature air pump with stable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218624592U true CN218624592U (en) | 2023-03-14 |
Family
ID=85471027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222682323.6U Active CN218624592U (en) | 2022-10-12 | 2022-10-12 | Miniature air pump with stable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218624592U (en) |
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2022
- 2022-10-12 CN CN202222682323.6U patent/CN218624592U/en active Active
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