CN215979817U - Miniature noise-reduction air pump - Google Patents
Miniature noise-reduction air pump Download PDFInfo
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- CN215979817U CN215979817U CN202122568316.9U CN202122568316U CN215979817U CN 215979817 U CN215979817 U CN 215979817U CN 202122568316 U CN202122568316 U CN 202122568316U CN 215979817 U CN215979817 U CN 215979817U
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- air
- air flow
- fixing seat
- leather cup
- air outlet
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Abstract
The utility model discloses a miniature noise reduction air pump which comprises a motor and an air pump main body, wherein the air pump main body comprises a base, a leather cup fixing seat, a valve plate fixing seat and an upper cover which are sequentially assembled and connected through a fixing piece, the base is connected with the motor, a leather cup piston is installed on the leather cup fixing seat, the motor drives the leather cup piston to operate through a swinging assembly, the upper cover is provided with an air outlet nozzle and an air flow buffer area, the air flow buffer area corresponds to the air outlet valve plate in position, an air flow channel also extends in the direction of the air outlet nozzle, and the air flow channel is communicated with the air outlet nozzle. When the air flow generated by the cup piston rapid compression is discharged from the air outlet valve plate, the air flow passes through the air flow buffer area, the disordered air flow is effectively buffered through the air flow buffer area, the buffered air flow is discharged from the air outlet nozzle through the long and narrow air flow channel, and the noise generated by the rapid air flow is attenuated by the layer when the air flow passes through the long and narrow air flow channel, so that the purpose of reducing noise is achieved.
Description
Technical Field
The utility model relates to the technical field of air pumps, in particular to a miniature noise reduction air pump.
Background
The air pump is characterized in that a motor makes circular motion, a diaphragm inside the pump makes reciprocating motion through a mechanical device, so that air in a pump cavity with a fixed volume is compressed and stretched to form vacuum (negative pressure), a pressure difference is generated between the air suction port of the pump and the external atmospheric pressure, the air is sucked into the pump cavity under the action of the pressure difference, and then the air is discharged from an exhaust port. Air pumps have been widely used in various fields such as medical and health care, health care equipment, household appliances, and the like.
The air pump that has now, the runner design of giving vent to anger is simpler, the air current does not have the way through effective buffering, the decay, when the air current of giving vent to anger is comparatively hurry, it is big to lead to the noise of giving vent to anger, cause user experience not good, so air pump at the market can add amortization cotton at the venthole, with this noise reduction, nevertheless add amortization cotton and can cause extra cost to increase, simultaneously under the cotton effect of amortization, the resistance grow of giving vent to anger, can lose partial output flow, therefore, need improve current air pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a miniature noise reduction air pump.
In order to solve the above technical problems, the present invention can be implemented by adopting the following technical scheme:
a miniature noise reduction air pump comprises a motor and an air pump main body connected with one end of the motor, wherein the air pump main body comprises a base, a leather cup fixing seat, a valve block fixing seat and an upper cover which are sequentially assembled from bottom to top and connected through a fixing piece, the bottom of the base is connected with the motor and provided with an air inlet channel, a leather cup piston is installed on the leather cup fixing seat, the edge of the leather cup piston is clamped between the leather cup fixing seat and the valve block fixing seat, the motor drives the leather cup piston to operate through a swinging assembly, an air outlet valve block is arranged on the valve block fixing seat and positioned above the inner side of a leather cup bag of the leather cup piston, and an air inlet valve block is arranged on the outer side of the leather cup bag;
the upper cover is provided with an air outlet nozzle and an air flow buffer area, the air outlet nozzle extends to the top of the upper cover, the air flow buffer area corresponds to the position of the air outlet valve plate, an air flow channel also extends from the air flow buffer area along the direction of the air outlet nozzle, and the air flow channel is communicated with the air outlet nozzle.
In one embodiment, the airflow channel is elongate and has a serpentine shape.
In one embodiment, the valve plate fixing seat is provided with a boss, the boss is provided with a plurality of air outlet holes in an array, the air outlet valve plate is positioned in the middle of the air outlet holes in the array and covers the air outlet holes, and the air flow buffer area covers the boss.
In one embodiment, the leather cup fixing seat is provided with an air inlet, the air inlet valve plate covers the air inlet, and the bottom surface of the valve plate fixing seat is provided with an air guide groove which is respectively communicated with the inner side of the leather cup bag and the air inlet.
In one embodiment, the swinging assembly comprises an eccentric wheel connected with an output shaft of the motor, a swinging arm connected with the cup piston and driven by the eccentric wheel to swing, and a rotating shaft used for connecting the eccentric wheel and the swinging arm, and a steel ball is further arranged at the connection position of the eccentric wheel and the rotating shaft.
In one embodiment, the upper cover and the valve plate fixing seat are welded by ultrasonic waves.
The utility model has the beneficial effects that: when the airflow generated by the quick compression of the leather cup piston is discharged from the air outlet valve plate, the airflow passes through the airflow buffer area firstly, the disordered airflow is effectively buffered through the airflow buffer area, the airflow buffered later passes through the long and narrow airflow channel to the air outlet nozzle to be discharged, and the noise generated by the quick airflow is attenuated by the layer when the airflow passes through the long and narrow airflow channel, so that the purpose of reducing noise is achieved, the noise reduction cotton is prevented from being added at the air outlet nozzle, the cost is reduced, and meanwhile, the output flow of the airflow is not influenced.
Drawings
FIG. 1 is a schematic structural view of a miniature noise reduction air pump according to the present invention;
FIG. 2 is an exploded view of the miniature noise reduction air pump of the present invention;
FIG. 3 is a cross-sectional view of the miniature noise reduction air pump of the present invention;
FIG. 4 is a schematic view of the structure of the upper cover of the miniature noise reduction air pump of the present invention;
FIG. 5 is a first schematic view of a valve plate fixing seat of the miniature noise reduction air pump according to the present invention;
FIG. 6 is a schematic view of a cup mounting seat of the miniature noise reduction air pump according to the present invention;
FIG. 7 is a schematic view of a second valve plate fixing seat of the miniature noise reduction air pump according to the present invention;
FIG. 8 is a schematic view of a base structure of the miniature noise reduction air pump of the present invention.
As shown in the attached drawings:
100. a motor; 200. an air pump main body; 210. a base; 211. an air intake passage; 220. a leather cup fixing seat; 221. an air inlet; 230. a valve plate fixing seat; 231. a boss; 232. an air outlet; 233. a gas guide groove; 240. an upper cover; 241. an air outlet nozzle; 242. an air flow buffer zone; 243. an air flow channel; 250. a fixing member; 260. a cup piston; 261. a leather cup bag; 262. an air inlet valve plate; 270. a swing assembly; 271. an eccentric wheel; 272. swinging arms; 273. a rotating shaft; 274. steel balls; 280. an air outlet valve plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 8, a miniature noise reduction air pump includes a motor 100, and an air pump main body 200 connected to one end of the motor 100, where the air pump main body 200 includes a base 210, a cup fixing seat 220, a valve plate fixing seat 230, and an upper cover 240, which are sequentially assembled from bottom to top, and are connected by a fixing member 250, the bottom of the base 210 is connected to the motor 100 and is provided with an air inlet channel 211, a cup piston 260 is installed on the cup fixing seat 220, and an edge of the cup piston 260 is clamped between the cup fixing seat 220 and the valve plate fixing seat 230, the motor 100 drives the cup piston 260 to operate by a swing assembly 270, an air outlet valve plate 280 is arranged on the valve plate fixing seat 230, the air outlet valve plate 280 is located above an inner side of a cup 261 of the cup piston 260, and an air inlet valve plate 262 is arranged on an outer side of the cup 261;
Specifically, in this embodiment, when the air pump works, the oscillating assembly 270 drives the cup piston 260 to move up and down, when the cup bag 261 of the cup piston 260 stretches downward, a vacuum cavity is generated, so that the air inlet valve sheet 262 outside the cup bag 261 is opened, air flows into the cup bag 261 from the air inlet channel 211 of the base 210, when the cup bag 261 of the cup piston 260 pushes upward and compresses, the air inlet valve sheet 262 is closed, the air outlet valve sheet 280 is pushed open, the pushed air flows into the air flow buffer area 242, the turbulent air flow is effectively buffered by the air flow buffer area 242, the buffered air flow flows along the air flow channel 243, and finally flows out of the air outlet nozzle 241, and noise generated by rapid flow of the air flow in the air flow channel 243 is attenuated by a layer, so as to achieve the purpose of reducing noise, avoid adding noise reduction cotton at the air outlet nozzle 241, and control cost, and ensures the output flow rate of the airflow.
Referring to fig. 4, in order to obtain a better noise reduction effect, the air flow channel 243 in this embodiment is long and narrow and has a spiral shape (spiral road type), and the overall length of the air flow channel 243 is increased through the long and narrow spiral air flow channel, so that the air flow noise is effectively attenuated, and finally, the noise reduction effect is better.
In addition, the air pump main part in this embodiment is simple in structure, and reasonable in design assembles base 210, leather cup fixing base 220, valve block fixing base 230 and upper cover 240 in proper order the back, and rethread mounting 250 is fixed, and mounting 250 is the screw, can conveniently carry out the dismouting to the air pump main part, the follow-up maintenance of being convenient for, simultaneously, adopt ultrasonic wave butt fusion between upper cover 240 and the valve block fixing base 230, can make the connection of valve block fixing base 230 and upper cover 240 more firm, convenient rapid air current flows into air current buffer area 242.
Referring to fig. 5 to 7, in order to make the air pump operate reasonably, the valve plate fixing seat 230 in this embodiment is provided with a boss 231, the boss 231 is provided with a plurality of air outlet holes 232 in an array, the air outlet valve plate 280 is located in the middle of the air outlet holes 232 in the array and covers the air outlet holes 232, and the air flow buffer area 242 is covered on the boss 231; meanwhile, the leather cup fixing seat 220 is provided with an air inlet 221, the air inlet valve plate 262 covers the air inlet 221, the bottom surface of the valve plate fixing seat 230 is provided with an air guide groove 233, and the air guide groove 233 is respectively communicated with the inner side of the leather cup bag 261 and the air inlet 221.
When the air pump works, the cup leather bag 261 of the cup leather piston 260 is driven by the swinging assembly 270 to be pulled downwards to generate a vacuum cavity, the air inlet valve plate 262 is opened, external air enters from the air inlet channel 211 and flows into the cup leather bag 261 from the air inlet hole 221 and the air guide groove 233 in sequence, the swinging assembly 270 continues to work and pushes and compresses the cup leather bag 261 upwards, the air inlet valve plate 262 is closed and covers the air inlet hole 221, the air outlet valve plate 280 is pushed open, air flow in the cup leather bag 261 flows out from the air outlet hole 232 to the air flow buffer area 242, the air flow buffer area 242 effectively buffers the flowing-in air flow, and the buffered air flow is discharged to the air outlet nozzle 241 through the long and narrow air flow channel 243, so that the operation of the air pump is realized, and the air pump is reasonable in operation.
Referring to fig. 2 or fig. 3, the swing assembly 270 includes an eccentric wheel 271 connected to the output shaft of the motor 100, a swing arm 272 connected to the cup piston 260 and driven by the eccentric wheel 271 to swing, and a rotating shaft 273 for connecting the eccentric wheel 271 and the swing arm 272, and a steel ball 274 is further disposed at the connection between the eccentric wheel 271 and the rotating shaft 273.
When the motor 100 operates, the eccentric wheel 271 is driven to rotate, the eccentric wheel 271 drives the swing arm 272 to swing up and down through the rotating shaft 273, the swing arm 272 drives the cup piston 260 to move up and down while swinging, so that air inflow and exhaust of air flow are realized, the air pump works reasonably, and the steel ball 274 is arranged at the connecting position of the eccentric wheel 271 and the rotating shaft 273, so that the rotating shaft 273 can be operated more conveniently.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. The present invention may be readily implemented by those skilled in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a miniature air pump of making an uproar that falls, includes the motor, reaches the air pump main part of being connected with motor one end, its characterized in that: the air pump main body comprises a base, a leather cup fixing seat, a valve block fixing seat and an upper cover which are sequentially assembled from bottom to top and are connected through a fixing piece, the bottom of the base is connected with a motor and is provided with an air inlet channel, a leather cup piston is installed on the leather cup fixing seat, the edge of the leather cup piston is clamped between the leather cup fixing seat and the valve block fixing seat, the motor drives the leather cup piston to operate through a swinging assembly, an air outlet valve block is arranged on the valve block fixing seat and is positioned above the inner side of a leather cup bag of the leather cup piston, and an air inlet valve block is arranged on the outer side of the leather cup bag;
the upper cover is provided with an air outlet nozzle and an air flow buffer area, the air outlet nozzle extends to the top of the upper cover, the air flow buffer area corresponds to the position of the air outlet valve plate, an air flow channel also extends from the air flow buffer area along the direction of the air outlet nozzle, and the air flow channel is communicated with the air outlet nozzle.
2. The miniature noise reduction air pump of claim 1, wherein: the airflow channel is long and narrow and takes a shape of a spiral mountain.
3. The miniature noise reduction air pump of claim 1, wherein: the valve block fixing seat is provided with a boss, the boss is provided with a plurality of air outlet holes in an array, the air outlet valve block is positioned in the middle of the air outlet holes in the array and covers the air outlet holes, and the air flow buffer area is covered on the boss.
4. The miniature noise reduction air pump of claim 3, wherein: an air inlet is arranged on the leather cup fixing seat, the air inlet valve plate covers the air inlet, and an air guide groove is arranged on the bottom surface of the valve plate fixing seat and is respectively communicated with the inner side of the leather cup bag and the air inlet.
5. The miniature noise reduction air pump of claim 4, wherein: the swinging assembly comprises an eccentric wheel connected with the output shaft of the motor, a swinging arm connected with the cup piston and driven to swing by the eccentric wheel, and a rotating shaft used for connecting the eccentric wheel and the swinging arm, and a steel ball is further arranged at the joint of the eccentric wheel and the rotating shaft.
6. The miniature noise reduction air pump of claim 1, wherein: the upper cover and the valve plate fixing seat are welded by ultrasonic waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568316.9U CN215979817U (en) | 2021-10-25 | 2021-10-25 | Miniature noise-reduction air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568316.9U CN215979817U (en) | 2021-10-25 | 2021-10-25 | Miniature noise-reduction air pump |
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| Publication Number | Publication Date |
|---|---|
| CN215979817U true CN215979817U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122568316.9U Active CN215979817U (en) | 2021-10-25 | 2021-10-25 | Miniature noise-reduction air pump |
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| Country | Link |
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| CN (1) | CN215979817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703717A (en) * | 2024-02-05 | 2024-03-15 | 亚新科智能汽车技术(仪征)有限公司 | Air compressor with air inlet silencing function |
-
2021
- 2021-10-25 CN CN202122568316.9U patent/CN215979817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703717A (en) * | 2024-02-05 | 2024-03-15 | 亚新科智能汽车技术(仪征)有限公司 | Air compressor with air inlet silencing function |
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