CN218760297U - Inflating pump - Google Patents

Abstract

The utility model provides an inflator pump relates to electronic inflator pump technical field. An inflator pump, comprising: the shell is provided with an inflation hole; the inflation mechanism is arranged in the shell and is communicated with the inflation hole; the motor is arranged in the shell, a first output shaft and a second output shaft are arranged on the motor, the first output shaft is connected with the inflating mechanism, and fan blades are arranged on the second output shaft; the battery is arranged in the shell and arranged on one side of the fan blade. The utility model discloses the pump sets up the flabellum through setting up the second output shaft on the motor on the second output shaft for form the wind channel in the casing, dispel the heat to the spare part in the casing.

Description

an air pump

technical field

The utility model belongs to the technical field of an electric air pump, in particular to an air pump.

Background technique

An electric air pump is a device used to inflate air into tires and other inflatable products. Inflatable products need to be inflated by an air pump because inflatable products can leak air over time. The traditional air pump is bulky and inconvenient to carry, so the company has introduced a miniaturized portable air pump.

A portable air pump usually includes a casing and a core. The core usually includes a motor, a controller, a transmission component, a piston rod, etc. The controller controls the motor to drive the piston rod to reciprocate through the transmission component, and the pumped air forms an airflow to complete the inflation action. . Existing portable air pumps have the following disadvantages when in use:

Due to the small overall size and unreasonable overall structure design, the heat dissipation performance of the portable air pump is poor. Even if some products have a heat dissipation structure, they only dissipate heat from the motor, without considering the heat dissipation of the battery and control board. In the long run When used for a long time, it will generate heat so seriously that it cannot be used continuously.

Contents of the invention

The purpose of this utility model is to propose an air pump with reasonable structural design and good heat dissipation effect in view of the above-mentioned problems in the prior art.

The purpose of the utility model can be achieved through the following technical solutions: an air pump, comprising:

A casing, the casing is provided with an air-filling hole;

An inflation mechanism is arranged in the housing, and the inflation mechanism communicates with the inflation hole;

The motor is arranged in the housing, the motor is provided with a first output shaft and a second output shaft, the first output shaft is connected with the inflation mechanism, and the second output shaft is provided with fan blades ;

A battery is arranged in the casing, and the battery is arranged on one side of the fan blade.

As a further improvement of the utility model, the inflation mechanism, the motor, the fan blade and the battery are all arranged on a straight line.

As a further improvement of the utility model, the housing includes an outer housing and an inner housing, the air charging hole is provided on the outer housing, and the inflation mechanism, the motor, the fan blade and the battery are provided in the inner casing.

As a further improvement of the utility model, it also includes a control board, the control board is arranged between the inner casing and the outer casing, the battery is electrically connected to the control board, and the control board is connected to the Motor electrical connection.

As a further improvement of the utility model, heat dissipation holes are provided on the outer shell, and the heat dissipation holes include a first heat dissipation hole disposed in the middle of the outer shell and a second heat dissipation hole disposed on the side of the outer shell close to the air-filling hole.

As a further improvement of the present utility model, when the air pump is working, the first heat dissipation hole enters the air, and the second heat dissipation hole exits the air.

As a further improvement of the utility model, the inflation mechanism includes a gear and a piston, the gear is engaged with the first output shaft, a protrusion is provided on the gear, a connecting rod is provided on the piston, and the connecting rod is provided on the piston. The rod is sleeved on the protrusion.

As a further improvement of the utility model, the inflation mechanism further includes a cylinder and an exhaust pipe connected to the bottom of the cylinder, and the piston is arranged in the cylinder and slides along the cylinder wall of the cylinder.

As a further improvement of the present utility model, a pressure sensor is also included, the exhaust pipe is provided with a branch pipeline, the branch management is connected to the pressure sensor, and the pressure sensor is electrically connected to the control board.

As a further improvement of the present invention, a back clip is further included, the back clip is arranged on a side of the outer casing close to the heat dissipation hole, and the back clip is detachably connected to the outer casing.

Based on the above technical scheme, the utility model can at least produce the following technical effects:

1. By setting the second output shaft on the motor and fan blades on the second output shaft, an air duct is formed in the housing to dissipate heat from the components in the housing;

2. By arranging the inflatable mechanism, motor, fan blade and battery in a straight line, the air duct in the housing can simultaneously dissipate heat from the above components, especially to improve the heat dissipation of the motor and battery;

3. By setting the shell as the inner shell and the outer shell, the structural strength of the air pump shell is improved. Since the air pump will vibrate when it is working, the setting of the two-layer shell can isolate part of the vibration and improve the user experience;

4. By setting the control board between the inner casing and the outer casing, the influence of the vibration of the motor and the inflation mechanism on the control board is reduced, and the service life of the control board is improved;

5. By setting the first heat dissipation hole in the middle of the outer shell and the second heat dissipation hole on the side of the outer shell, and setting the first heat dissipation hole to enter the air and the second heat dissipation hole to discharge the air, so that the air outside the shell can circulate with the air inside the shell , so as to improve the heat dissipation performance;

6. By setting a back clip on the housing, the air pump can be inserted into a trouser pocket, etc., which is more convenient to carry.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model air pump.

Fig. 2 is an exploded view of the air pump of the present invention.

Fig. 3 is a schematic diagram of the air pump of the present invention after removing the outer casing.

Fig. 4 is a front view of the inflation mechanism and the motor in the air pump of the present utility model.

Fig. 5 is a structural schematic diagram of another viewing angle of the air pump of the present invention.

In the figure, 100, casing; 110, outer casing; 111, first outer casing; 112, second outer casing; 113, third outer casing; 114, air filling hole; 115, cooling hole; 115a, first cooling hole ; 115b, the second cooling hole; 120, the inner shell; 200, the inflation mechanism; 210, the gear; 211, the protrusion; 220, the piston; 221, the connecting rod; 230, the cylinder; 300, the motor; Shaft; 320, second output shaft; 321, fan blade; 400, battery; 500, control panel; 510, display screen; 520, control button; 600, exhaust pipe; 610, branch pipeline; 700, pressure sensor; 800. Back clip.

Detailed ways

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiment of the utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, in the present application, descriptions such as "first", "second", "one" and so on are used for descriptive purposes only, and should not be understood as indicating or implying their relative importance or implying the indicated technology number of features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. In this utility model, unless otherwise specified and limited, the terms "connection" and "fixation" should be understood in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integration; It may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered as the technical solution. Combination does not exist, nor is it within the scope of protection required by the utility model.

The following are specific embodiments of the utility model, and in conjunction with accompanying drawings 1-5, the technical solution of the utility model is further described, but the utility model is not limited to the following embodiments.

An air pump includes: a housing 100 , an inflation mechanism 200 , a motor 300 and a battery 400 , and the inflation mechanism 200 , the motor 300 and the battery 400 are all arranged in the housing 100 . The housing 100 is provided with an inflation hole 114, and the inflation mechanism 200 communicates with the inflation hole 114; the motor 300 is provided with a first output shaft 310 and a second output shaft 320, the first output shaft 310 is connected with the inflation mechanism 200, and the second output A fan blade 321 is disposed on the shaft 320 ; the battery 400 is disposed on one side of the fan blade 321 . By setting the second output shaft 320 on the motor 300 and the fan blades 321 on the second output shaft 320 , an air duct is formed in the casing 100 to dissipate heat to components in the casing 100 .

Preferably, the inflation mechanism 200, the motor 300, the fan blade 321 and the battery 400 are all arranged on a straight line. In this embodiment, the inflation mechanism 200 , the motor 300 and the battery 400 are arranged in sequence, and the fan blade 321 is disposed between the motor 300 and the battery 400 . By arranging the inflatable mechanism 200 , the motor 300 , the fan blade 321 and the battery 400 on a straight line, the air passage in the housing 100 can simultaneously dissipate heat to the above components, especially to improve the heat dissipation of the motor 300 and the battery 400 .

Specifically, the inflation mechanism 200 includes a gear 210 and a piston 220, the gear 210 meshes with the first output shaft 310, the gear 210 is provided with an eccentric protrusion 211, the piston 220 is provided with a connecting rod, and the connecting rod is sleeved on the protrusion 211 superior. The inflation mechanism 200 also includes a cylinder 230 and an exhaust pipe 600 connected to the bottom of the cylinder 230 , the exhaust pipe 600 communicates with the charging hole 114 , the piston 220 is arranged in the cylinder 230 , and slides along the cylinder 230 wall of the cylinder 230 . The motor 300 drives the first output shaft 310 to rotate, the first output shaft 310 drives the gear 210 to rotate, the protrusion 211 on the gear 210 drives the piston 220 to make a reciprocating linear motion in the cylinder 230, and the compressed gas enters the gas charging hole 114 through the exhaust pipe 600 .

The housing 100 includes an outer housing 110 and an inner housing 120 , the air charging hole 114 is disposed on the outer housing 110 , and the inflation mechanism 200 , the motor 300 , the fan blade 321 and the battery 400 are disposed in the inner housing 120 . The outer casing 110 includes a first outer casing 111, a second outer casing 112 and a third outer casing 113, the first outer casing 111 and the second outer casing 112 are detachably connected, and the second outer casing 112 and the third outer casing 113 are detachable connect. By setting the shell 100 as an inner shell 120 and an outer shell 110, the structural strength of the air pump shell 100 is improved. Since the air pump will vibrate during operation, the setting of the two-layer shell 100 can isolate part of the vibration and improve user experience. .

The utility model air pump also includes a control board 500 , the control board 500 is arranged between the inner casing 120 and the outer casing 110 , the battery 400 is electrically connected to the control board 500 , and the control board 500 is electrically connected to the motor 300 . A display screen 510 and a control button 520 are arranged on the control board 500 , and the control board 500 is electrically connected to the display screen 510 and the control button 520 respectively. The user can set the inflation pressure of the air pump through the control button 520, and the display screen 510 will display the currently set inflation pressure. By arranging the control board 500 between the inner shell 120 and the outer shell 110 , the influence of the vibration of the motor 300 and the inflation mechanism 200 on the control board 500 is reduced, and the service life of the control board 500 is improved.

The outer casing 110 is provided with cooling holes 115 , and the cooling holes 115 include a first cooling hole 115 a disposed in the middle of the outer casing 110 and a second cooling hole 115 b disposed on the side of the outer casing 110 close to the air filling hole 114 . In this embodiment, the heat dissipation holes 115 are all arranged on the second outer casing 112 , when the air pump is working, the first heat dissipation holes 115 a take in air, and the second heat dissipation holes 115 b let out air. By setting the first heat dissipation hole 115a in the middle of the outer shell 110, and setting the second heat dissipation hole 115b on one side of the outer shell 110, and setting the first heat dissipation hole 115a to enter the air, and the second heat dissipation hole 115b to discharge the air, so that the outside of the housing 100 Air may circulate with air inside the housing 100, thereby improving heat dissipation performance.

Preferably, the present utility model further includes a pressure sensor 700 , the exhaust pipe 600 is provided with a branch pipeline 610 , the branch management is connected to the pressure sensor 700 , and the pressure sensor 700 is electrically connected to the control board 500 . By setting the pressure sensor 700, the inflation air pressure of the air pump can be controlled more accurately.

Preferably, the present invention further includes a back clip 800 , the back clip 800 is arranged on the side of the outer shell 110 close to the cooling hole 115 , and the back clip 800 is detachably connected to the outer shell 110 .

The working process of the air pump of the utility model: the user sets the inflation pressure through the control button 520, the motor 300 rotates at a certain speed according to the set inflation pressure, drives the first output shaft 310 to rotate, the first output shaft 310 drives the gear 210 to rotate, and the gear The protrusion 211 on the cylinder 210 drives the piston 220 to make a reciprocating linear motion in the cylinder 230, the compressed gas enters the gas charging hole 114 through the exhaust pipe 600, and the gas in the exhaust pipe 600 enters the pressure sensor 700 through the branch pipeline 610, and the pressure sensor The 700 feeds back the detected air pressure to the controller, and the controller compares the obtained data with the set pressure and performs feedback adjustment to control the speed of the motor 300 .

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (6)

1. An inflator, comprising:

the shell comprises an outer shell and an inner shell, and the air charging hole is formed in the outer shell;

the inflation mechanism is arranged in the inner shell and is communicated with the inflation hole;

the motor is arranged in the inner shell, a first output shaft and a second output shaft are arranged on the motor, the inflation mechanism comprises a gear and a piston, the first output shaft is meshed with the gear, a protrusion is arranged on the gear, a connecting rod is arranged on the piston, the connecting rod is sleeved on the protrusion, and a fan blade is arranged on the second output shaft;

the battery is arranged in the inner shell, and the battery is arranged on one side of the fan blade;

the control panel is arranged between the inner shell and the outer shell, the battery is electrically connected with the control panel, the control panel is electrically connected with the motor, a display screen and a control button are arranged on the control panel, and the control panel is respectively and electrically connected with the display screen and the control button;

the inflation mechanism, the motor, the fan blades and the battery are all arranged on a straight line, and the fan blades are arranged between the motor and the battery.

2. The inflator of claim 1, wherein the housing has heat dissipation holes, the heat dissipation holes include a first heat dissipation hole disposed at a middle portion of the housing and a second heat dissipation hole disposed at a side of the housing close to the inflation hole.

3. The inflator of claim 2, wherein the first louvers provide air intake and the second louvers provide air exhaust when the inflator is in operation.

4. The inflator of claim 1, wherein the inflation mechanism further comprises a cylinder and an exhaust tube connected to a bottom of the cylinder, and the piston is disposed in the cylinder to slide along a cylinder wall of the cylinder.

5. The inflator according to claim 4, further comprising a pressure sensor, wherein a branch line is disposed on the exhaust pipe, the branch line is connected to the pressure sensor, and the pressure sensor is electrically connected to the control board.

6. The inflator pump according to claim 2, further comprising a back clip, wherein the back clip is disposed on a side of the outer housing close to the heat dissipation hole, and the back clip is detachably connected to the outer housing.

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