CN221003214U

CN221003214U - Miniature air pump

Info

Publication number: CN221003214U
Application number: CN202323190735.9U
Authority: CN
Inventors: 贺鹏; 李小男; 费重华; 董明亮; 陈聪; 朱天海
Original assignee: Shanghai Yuwei Technology Co ltd
Current assignee: Shanghai Yuwei Technology Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-05-24
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses a miniature air pump, which comprises a shell and a motor fixing piece, wherein a containing cavity is formed in the shell, an air inlet and an air outlet are formed in the two ends of the shell, the air inlet and the air outlet are mutually communicated, the motor fixing piece is arranged in the containing cavity and corresponds to the space between the air inlet and the air outlet, a heat dissipation chamber is formed in the motor fixing piece, a motor is arranged in the heat dissipation chamber, a heat dissipation hole is formed in one side, close to the output end of the motor, of the motor fixing piece, and an impeller is arranged on the motor fixing piece, the output end of the motor passes through the motor fixing piece and is connected with the impeller, so that the impeller can rotate under the driving of the motor to drive air to enter the heat dissipation chamber from the air inlet and then flow out from the air outlet.

Description

Miniature air pump

Technical Field

The utility model relates to the technical field of inflation, in particular to a miniature air pump.

Background

The inflation pump is also called an inflator, an inflation pump and an inflator, and mainly works through the operation of a motor, when the tire is inflated, the valve of the communicating vessel is flushed by atmospheric air pressure, air enters the inflator, and when the tire is inflated, the valve is closed by the air pressure in the inflator, and the air enters the tire; the inflator pump is inflated by utilizing the principle of atmospheric pressure, and the application field of the inflator pump is very wide, for example, the inflator pump is applied in: various fields such as automobiles, motorcycles, bicycles, rubber balls, rubber boats and the like have become an inflation tool which is visible everywhere in daily life. Along with the continuous change of social demands, the types of air pumps are more and more, and pneumatic booster pumps, nitrogen booster pumps and miniature vacuum stamping pumps are more common.

The current inflator pump is generally in a structure that a motor is connected with an impeller and then directly coated by a pump shell, in the structure, the motor can generate heat due to high-speed rotation, but the heat is not easy to dissipate, damage is easy to occur when the temperature is too high, the service life of the inflator pump is short, inconvenience is brought to users, and even potential safety hazards are generated; some air pumps are provided with heat dissipation devices, but the air pump is complex in structure, more in parts, unfavorable for assembly, inconvenient for production and incapable of meeting the existing requirements.

Accordingly, there is a need for improvements in current inflator pumps.

Disclosure of utility model

In view of the above, the present utility model aims to provide a micro air pump, which can solve the problems set forth in the background art.

In order to achieve the above object, the present utility model provides a micro air pump comprising:

the shell is internally hollow and provided with a containing cavity, two ends of the shell are provided with an air inlet and an air outlet, and the air inlet and the air outlet are mutually communicated;

The motor fixing piece is arranged in the accommodating cavity and corresponds to the space between the air inlet and the air outlet, a heat dissipation chamber is formed in the motor fixing piece, a motor is arranged in the heat dissipation chamber, a heat dissipation hole is formed in one side, close to the output end of the motor, of the motor fixing piece, an impeller is arranged on one side, close to the heat dissipation hole, of the motor fixing piece, the output end of the motor penetrates through the motor fixing piece and is connected with the impeller, so that the impeller can rotate under the driving of the motor to drive air to enter the heat dissipation chamber from the air inlet, flow through the surface of the motor and take away heat of the surface of the motor, and then the air flows out from the air outlet.

Through setting up the louvre that has seted up of radiator, make the impeller can rotate under the drive of motor and drive gaseous follow the air inlet and get into the radiator, follow again the gas outlet flows, with the help of gaseous flow, flows through the surface of motor and takes away the heat that the motor produced in the operation process, improves its radiating effect, guarantees that the motor can operate under suitable temperature to improve the life and the performance of blowing pump.

In some embodiments, a plurality of fixing protrusions are arranged at one end of the motor fixing piece, which is close to the impeller, and a fixing block is arranged at one side of the shell, which is close to the accommodating cavity, and the fixing protrusions are correspondingly and fixedly connected with the fixing block.

Through setting up fixed protruding and fixed block corresponding fixed connection, make can be stably fixed in the casing, and then ensure the inside structural stability of air pump and the normal operating of air pump.

In some embodiments, an inner cylinder is disposed at one end of the motor away from the impeller, and the inner cylinder is sleeved in the housing, so that a first air channel is formed between the inner cylinder and the housing, and the first air channel is communicated with the heat dissipation chamber.

The inner cylinder piece is sleeved in the accommodating cavity, so that gaps communicated with two ends of the inner cylinder piece exist between the inner cylinder piece and the shell, and a first air channel is formed for directional circulation of air, and the air flowing efficiency is effectively improved.

In some embodiments, a separator is disposed between the inner cylinder and the motor, a first electrode connector is disposed on a side of the motor adjacent to the inner cylinder, and the first electrode connector is disposed in the inner cylinder through the separator.

Through setting up the baffle to keep apart battery and motor, effectively avoid battery and motor to carry out the heat exchange, thereby lead to battery or motor overheated and impaired condition, thereby effectively improve the life of air pump.

In some embodiments, a controller is further arranged on one side of the motor, which is close to the inner barrel, and is connected with an adjusting switch, and the adjusting switch is arranged on the shell.

In some embodiments, the motor fixing member is sleeved in the shell, so that a gap exists between the motor fixing member and the shell to form a second air channel, and the second air channel is communicated with the first air channel.

Through seting up the second wind channel, make the air current that produces can pass the power effectively, take away the heat that the power produced to improve the life and the performance of blowing pump.

In some embodiments, a plurality of power fixing parts are arranged at one end of the shell, which is close to the air inlet, and two sides of the power fixing parts are erected on one side of the shell, which is close to the accommodating cavity, through support sheets to form a third air channel, and the third air channel is communicated with the first air channel.

Through setting up the third wind channel, make the air current that produces can pass the power effectively, take away the heat that the power produced to improve the life and the performance of blowing pump.

In some embodiments, a plurality of notches are formed on one side, close to the partition plate, of the motor fixing piece, and a plurality of air inlets are formed on the side, close to the second air duct, of the motor fixing piece.

Through seting up the breach to make gaseous one end that can follow the heat dissipation chamber flow to the other end in heat dissipation chamber, and then make the route of flowing through cover the surface of motor as far as possible, thereby realize taking away the motor operation and make the heat that gives off, through seting up a plurality of inlet ports, with make second wind channel and heat dissipation chamber follow the even intercommunication of axial direction of motor, and then make gaseous synchronous circulation to a plurality of positions of motor in the heat dissipation chamber, effectively improve radiating efficiency.

In some embodiments, the air inlet and the air outlet may each be provided with a dust screen.

Through setting up the dust screen, prevent effectively that dust and foreign matter from getting into in wind channel and the air pump, and then ensure the cleanness of the spare part in the air pump to effectively prolonged the life of air pump.

In some embodiments, the micro air pump provided by the utility model further comprises a temperature sensor and a charging detector, wherein the temperature sensor and the charging detector are electrically connected with the controller and are arranged on the inner cylinder.

Through setting up temperature sensor and charge detector to monitor the operating condition of battery better, and give the controller to real-time data transmission, make the controller in time adjust the operating condition of motor according to these data, in order to realize best radiating effect, thereby reach energy-conserving efficient effect.

Compared with the prior art, the miniature air pump provided by the utility model has the following beneficial effects:

1. According to the miniature air pump provided by the utility model, the heat dissipation holes are formed in the heat dissipation chamber, so that the impeller can rotate under the drive of the motor to drive the air to enter the heat dissipation chamber from the air inlet and then flow out from the air outlet, and the air flows through the surface of the motor by means of the flow of the air to take away the heat generated by the motor in the operation process, so that the heat dissipation effect is improved, the motor is ensured to operate at a proper temperature, and the service life and the service performance of the air pump are improved;

2. According to the miniature air pump provided by the utility model, the second air duct and the third air duct are arranged, so that generated air flow can effectively pass through the power supply to take away heat generated by the power supply, and the service life and the service performance of the air pump are improved.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic view showing the overall structure of a micro air pump according to a preferred embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure of a micro air pump according to a preferred embodiment of the present utility model.

Reference numerals illustrate:

The air conditioner comprises a shell 10, an air outlet 11, a first air duct 12, a second air duct 13, a third air duct 14, an adjusting switch 15, an air inlet 16, a motor fixing piece 20, a heat dissipation chamber 21, a motor 30, a partition plate 40, an inner barrel piece 50, a power fixing piece 60 and an impeller 70.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; the mechanical connection can be realized, and the electric welding connection can be realized; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment, referring to fig. 1 and 2 of the drawings in the specification, the miniature air pump provided by the utility model comprises a shell 10 and a motor fixing piece 20, wherein a containing cavity is formed in the shell 10, an air inlet 16 and an air outlet 11 are formed in two ends of the shell 10, the air inlet 16 and the air outlet 11 are mutually communicated, the motor fixing piece 20 is arranged in the containing cavity and corresponds to between the air inlet 16 and the air outlet 11, a heat dissipation chamber 21 is formed in the motor fixing piece 20, a motor 30 is arranged in the heat dissipation chamber 21, a heat dissipation hole is formed in one side, close to the output end of the motor 30, of the motor fixing piece 20, an impeller 70 is arranged on one side, close to the heat dissipation hole, of the motor fixing piece 20, and the output end of the motor 30 passes through the motor fixing piece 20 and is connected with the impeller 70, so that the impeller 70 can rotate under the driving of the motor 30 to drive air to enter the heat dissipation chamber from the air inlet 16, flow on the surface of the motor 30 and take away heat on the surface of the motor 30, and then flow out from the air outlet 11.

Specifically, the heat dissipation chamber 21 has been seted up to the inside motor mounting 20, the heat dissipation chamber 21 is between air inlet 16 and gas outlet 11, make gaseous can flow through the heat dissipation chamber 21, the one end of heat dissipation chamber 21 is equipped with the opening, the other end of heat dissipation chamber 21 is provided with the shrouding of seting up the pivot hole, motor 30 installs in the heat dissipation chamber 21, the axis of rotation of motor 30 passes the pivot hole and is connected with impeller 70 moreover, a plurality of louvres have still been seted up on the shrouding, impeller 70 can be axial fan, in order to effectively strengthen the effect of pressurizing to gaseous, impeller 70 can set up in the one end that casing 10 is close to gas outlet 11, in order to make the wind-force of louvre department bigger, and then effectively strengthened the radiating effect to motor 30.

It should be noted that the housing 10 may be a cylinder, a square cylinder, or other rectangular solid, which is not limited herein, and the materials of the housing 10 and the motor fixing member 20 may be carbon steel, aluminum alloy, or other materials with high hardness and high heat conductivity, which is not limited herein.

In some embodiments, referring to fig. 1 and 2 of the specification, a plurality of fixing protrusions are disposed at one end of the motor fixing member 20 near the impeller 70, and a fixing block is disposed at one side of the housing 10 near the accommodating cavity, and the fixing protrusions are fixedly connected with the fixing block correspondingly.

Specifically, the fixing protrusion extends toward the housing 10, the fixing block extends toward the motor fixing member 20, and the fixing protrusion is fixedly connected with the fixing block through a screw or is correspondingly connected with the fixing block through a buckle, so that the motor 30 can be stably fixed in the housing 10, and further the structural stability of the air pump and the normal operation of the air pump are ensured.

In one embodiment, referring to fig. 2 of the foregoing embodiment, an inner cylinder 50 is disposed at an end of the motor 30 away from the impeller 70, and the inner cylinder 50 is sleeved in the housing 10, so that a first air duct 12 is formed between the inner cylinder 50 and the housing 10, and the first air duct 12 is communicated with the heat dissipation chamber 21.

Specifically, the inner cylinder 50 is sleeved in the accommodating cavity, so that a gap for communicating two ends of the inner cylinder 50 is reserved between the inner cylinder 50 and the shell 10, and the first air duct 12 is formed for directional air circulation, so that the air flow efficiency is effectively improved.

In one embodiment, referring to fig. 2 of the specification, a separator 40 is disposed between the inner cylinder 50 and the motor 30, and a first electrode connector is disposed on a side of the motor 30 adjacent to the inner cylinder 50 and is disposed in the inner cylinder 50 through the separator 40.

Specifically, baffle 40 card is located the holding intracavity, has offered a plurality of ventilation holes on the baffle 40 simultaneously to intercommunication air inlet 16 and gas outlet 11, and baffle 40's setting is used for keeping apart battery and motor 30, in order to effectively avoid battery and motor 30 to carry out the heat exchange, thereby leads to battery or motor 30 overheated and impaired condition, thereby effectively improves the life of air pump.

In one embodiment, referring to fig. 1 and 2 of the specification, a controller is further disposed on a side of the motor 30 adjacent to the inner barrel 50, and the controller is connected to an adjusting switch 15, where the adjusting switch 15 is disposed on the housing 10.

Specifically, the adjusting switch 15 may have three-gear adjusting positions, respectively "off", "low speed", and "high speed", and the user may control the operation state of the air pump by operating the adjusting switch 15.

In one embodiment, referring to fig. 1 and 2 of the specification, the motor fixing member 20 is sleeved in the housing 10, so that a gap exists between the motor fixing member 20 and the housing 10 to form the second air duct 13, and the second air duct 13 is communicated with the first air duct 12.

Specifically, the second air duct 13 is communicated with the first air duct 12, so that the air circulation in the shell 10 is directionally stable, and the air flow regulating capacity and the air flow pressurizing efficiency of the air pump are effectively further improved.

In one embodiment, referring to fig. 2 of the specification, a plurality of power fixing members 60 are disposed at one end of the housing 10 near the air inlet 16, and two sides of the power fixing members 60 are erected on one side of the housing 10 near the accommodating cavity through bracket sheets to form a third air duct 14, where the third air duct 14 is communicated with the first air duct 12.

Specifically, the power fixing piece 60 can be fastened and fixed in the shell 10 through the fastening piece, and through the arrangement of the third air duct 14, the smooth flow and the stable orientation of the air flow in the battery compartment are effectively enhanced, and meanwhile, the air flow flows through the surface of the battery to take away the heat on the battery, so that the service life of the battery is effectively prolonged.

In one embodiment, referring to fig. 2 of the specification, a plurality of notches are formed on a side of the motor fixing member 20, which is close to the partition plate 40, and a plurality of air inlets are formed on a side of the motor fixing member 20, which is close to the second air duct 13.

Specifically, through seting up the breach to make gaseous one end that can follow the heat dissipation chamber flow to the other end in heat dissipation chamber, and then make the route of flowing through cover motor 30's surface as far as possible, thereby realize taking away motor 30 operation and make the heat that gives off, through seting up a plurality of inlet ports, with the even intercommunication of messenger's second wind channel 13 and heat dissipation chamber along the axial direction of motor 30, and then make gaseous synchronous circulation to a plurality of positions of motor 30 in the heat dissipation chamber, effectively improve radiating efficiency.

In one embodiment, both the air inlet 16 and the air outlet 11 may be provided with a dust screen on the basis of the above embodiment.

Specifically, the dust screen is arranged, so that dust and foreign matters are effectively prevented from entering the air duct and the air pump, and further cleaning of parts in the air pump is ensured, and the service life of the air pump is effectively prolonged.

In one embodiment, based on the above embodiment, the micro air pump provided by the present utility model further includes a temperature sensor and a charging detector, both of which are electrically connected to the controller and are disposed on the inner cylinder 50.

Specifically, the temperature sensor and the charging detector are respectively used for monitoring the temperature of the battery and the charging state of the battery, and the temperature sensor and the charging detector are arranged to monitor the working state of the battery better and transmit real-time data to the controller, so that the controller can adjust the working state of the motor 30 in time according to the data, thereby realizing the best heat dissipation effect and further achieving the effects of energy conservation and high efficiency.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. A miniature air pump, comprising:

2. A micro air pump as set forth in claim 1, wherein,

The motor fixing piece is close to one end of impeller is provided with a plurality of fixed protruding, be provided with the fixed block on the casing near one side of holding chamber, fixed protruding with fixed block corresponds fixed connection.

3. A micro air pump as set forth in claim 2, wherein,

The motor is far away from the one end of impeller is provided with interior tube spare, interior tube spare cover is located in the casing, so that interior tube spare with form first wind channel between the casing, first wind channel with the radiator intercommunication.

4. A micro air pump as claimed in claim 3, wherein,

A partition plate is arranged between the inner cylinder and the motor, a first electrode connecting piece is arranged on one side, close to the inner cylinder, of the motor, and the first electrode connecting piece penetrates through the partition plate and is arranged in the inner cylinder.

5. A micro air pump as set forth in claim 4, wherein,

The motor is close to one side of the inner barrel part is also provided with a controller, the controller is connected with an adjusting switch, and the adjusting switch is arranged on the shell.

6. A micro air pump as set forth in claim 5, wherein,

The motor fixing piece is sleeved in the shell, so that a gap is reserved between the motor fixing piece and the shell to form a second air channel, and the second air channel is communicated with the first air channel.

7. A micro air pump as set forth in claim 6, wherein,

The shell is close to one end of air inlet is provided with a plurality of power mounting, both sides on the power mounting are through the support piece frame locating on the shell be close to one side of holding chamber is in order to form the third wind channel, the third wind channel with first wind channel intercommunication.

8. A micro air pump as set forth in claim 7, wherein,

A plurality of notches are formed in one side, close to the partition plate, of the motor fixing piece, and a plurality of air inlets are formed in the side, close to the second air duct, of the motor fixing piece.

9. A micro air pump as set forth in claim 8, wherein,

The air inlet and the air outlet can be provided with dustproof nets.

10. A miniature air pump according to any one of claims 6-9, further comprising:

The temperature sensor and the charging detector are electrically connected with the controller and are arranged on the inner cylinder.