CN213116622U - Do benefit to radiating rifle pump of aerifing - Google Patents

Abstract

The utility model relates to a do benefit to radiating air gun pump, divide into handle portion and air pump portion in the shell, handle portion and air pump portion mutually perpendicular set up, battery and motor and control switch install at handle portion, the motor shaft of motor passes through output gear and the meshing of drive wheel, the eccentric crank arm that is provided with on the drive wheel, crank arm and piston rod hinge joint, the drive wheel rotates and drives crank arm reciprocating motion, make the piston of air pump do straight reciprocating motion; the motor shaft is additionally provided with fan blades, the fan blades pump air in the motor cavity, and the air is pushed to the air pump part after being pressurized to cool the outer wall of the air pump and the piston rod; the fan blades are arranged above an output gear of the motor. The fan blades are additionally arranged on the output shaft of the motor, the air passage which is favorable for air circulation is arranged in the shell, when the motor rotates, the internal heat dissipation air flow is automatically generated, the heat dissipation ring and the heat dissipation fins are combined, the temperature of the air pump during working can be effectively reduced, and the problem that the handle is heated is avoided.

Description

Do benefit to radiating rifle pump of aerifing

Technical Field

The utility model relates to an inflation equipment, especially a do benefit to radiating air gun pump.

Background

The gun type air pump is structurally shown in figure 1, a motor rotates, a motor shaft drives a driving wheel to rotate, a crank arm is hinged to the driving wheel, one end of the crank arm rotates to drive a piston to do linear reciprocating motion in an air pump cavity, and high-pressure air is continuously generated in the air pump through linkage matching with an air cylinder structure.

When the inflator pump works, the air pump compresses to work, the cylinder body and the piston can generate heat, and the heat is transmitted to the motor and the handle through the shell, the piston and the crank arm, so that after the inflator pump is inflated for a long time, the handle is heated and scalded, and the use is influenced.

In the patent No. cn201821292664.x, "an electric inflator pump favorable for heat dissipation", a fan blade is directly added on a motor shaft to accelerate air flow near the motor, but the fan blade is limited by a mounting position, is complex to mount and small in size, raises the height of an output gear of the motor, and reduces a torque transmission effect of the motor shaft.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a be favorable to radiating air gun pump structure, the air current cooling of air pump outer wall and piston rod has been strengthened in the during operation, has reduced the operating temperature of air pump, is favorable to the long-time use of air gun pump.

The utility model provides a technical scheme that above-mentioned problem adopted does: a pump of an inflation gun is characterized in that a shell is internally divided into a handle part and an air pump part, the handle part and the air pump part are arranged perpendicular to each other, a battery, a motor and a control switch are arranged on the handle part, a motor shaft of the motor is meshed with a driving wheel through an output gear, a crank arm is eccentrically arranged on the driving wheel and hinged with a piston rod, and the driving wheel rotates to drive the crank arm to reciprocate so that a piston of the air pump linearly reciprocates; the method is characterized in that: the motor shaft is additionally provided with fan blades, the fan blades pump air in the motor cavity, and the air is pushed to the air pump part after being pressurized to cool the outer wall of the air pump and the piston rod; the fan blades are arranged above an output gear of the motor.

An air inlet is arranged on the shell of the handle part, and an air outlet is arranged at the head of the inflating gun pump.

And an air outlet at the head of the inflation gun pump is provided with a metal heat dissipation ring.

And the tail part of the inflation gun pump is provided with a radiating fin.

The utility model discloses a mode of addding the flabellum on the motor shaft, with the air extraction from the motor, and deliver to air pump department after the pressure boost, through setting up air flow channel between air pump outer wall and the pump case of aerifing, make the heat that the air pump during operation produced by wind-force cooling and flow from the head of air pump, existing operating temperature who does benefit to the reduction air pump, also can avoid the heat to pass through heat-conduction, along the drive wheel, the gear, lead to handle portion shell and motor to generate heat, the user uses for a long time, the handle is sent out to scald and can influence the use impression.

Compared with a comparison file, the rear-mounted fan blade mounting mode is adopted, the transmission torque of the motor output gear is not influenced, and the rear-mounted fan blade part has larger mounting space, so that larger fan blades can be selected and used, and the wind cooling effect is enhanced.

The head of the inflation gun pump is provided with an air outlet, and a metal heat dissipation ring is further arranged at the air outlet, so that the heat dissipation speed of the head of the gun pump is increased, and the working temperature of the gun pump is reduced.

The tail part of the inflation gun pump is also provided with a radiating fin, the region is positioned near the fan blades, the temperature of the region can be reduced, and the phenomenon that the inflation pump transmits heat back to the motor along the driving wheel is reduced. The motor can be protected from working for a long time.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the air pump, the motor and the driving wheel.

Fig. 3 is an exploded view of a part of the structure of fig. 2.

Fig. 4 is an exploded view of a part of the product.

Wherein 1 is a fan blade, 2 crank arms and pistons, 3 is a crank arm wheel, 4 is a driving wheel, 5 is a motor output gear, 6 is a motor, 7 is an inflator pump cylinder body assembly, 8 is a transmission wheel bearing, 9 is a cylinder output piston, 10 is a sealing gasket, 11 is a piston sealing gasket, and 12 is an air pump shell.

21 is an air pump section, and 22 is a handle section.

Detailed Description

The utility model relates to a better ground pump of aerifing of radiating effect. On the basis of a traditional inflation gun pump, fan blades are added by a motor shaft, continuous heat dissipation airflow from a handle part to the front end of an air pump part is generated inside the inflation pump, on one hand, heat dissipation of an air pump cylinder body and a piston rod is enhanced, on the other hand, heat is blocked and is transmitted back to the handle part from the air pump cylinder body along the piston rod and an inflation gun pump shell. The temperature of the motor is reduced, and the temperature rise of the handle after long-time work is avoided. Affecting the use of the user.

As shown in FIG. 2, the pump of the air gun is divided into a handle portion and an air pump portion, which are arranged perpendicularly to each other. The handle part is internally provided with a motor, a control switch and a battery interface, and the air pump part comprises a driving wheel, a driving wheel bearing, a crank arm wheel, a crank arm piston, an inflator pump cylinder body assembly and the like.

Fig. 3 is a structural view of the cylinder and the motor and transmission part with the casing removed. Fig. 4 is an exploded view of the part of fig. 3. Referring to fig. 3 and 4, a motor shaft is first connected to a motor output gear, the motor output gear is meshed with a transmission wheel to drive the transmission wheel to rotate, an eccentric shaft is arranged on the transmission wheel to drive a crank arm wheel to rotate, the crank arm wheel is connected with a crank arm, the crank arm drives a piston of an air pump to change circular motion into linear reciprocating motion, and the piston rod and a piston sealing pad are pulled to reciprocate. And the inflation is realized.

The utility model discloses seted up the air inlet in the below of portion, directly utilized the motor shaft, utilized its extension end to add flabellum 1 in output gear's top, utilized the flabellum to produce from the continuous heat dissipation air current of handle portion flow direction air pump portion head. An airflow channel is additionally arranged between the shell and the inflator pump cylinder body assembly, and when the airflow passes through, the heat on the surface of the inflator pump cylinder body assembly and the heat of the piston rod can be taken away. While preventing heat transfer from the pump portion to the handle portion. The motor is beneficial to long-time holding and heat dissipation of the motor.

In order to prevent that the heat dissipation air current leads to air outlet department high temperature, avoids personnel to scald, the utility model discloses in air outlet department, add the metal radiating ring, utilize its concave-convex structure, increase heat radiating surface area improves the radiating efficiency.

In addition, to the position that the flabellum set up, the utility model discloses at the afterbody of air pump portion, increased the fin, reduced the conduction of heat to handle and motor. Further be favorable to solving the heat problem of fan of current rifle pump of aerifing.

Compare with the comparison file, the utility model discloses can provide bigger flabellum installation space to utilize whole shell to constitute heat dissipation channel, realize the heat dissipation to the motor itself and the pump body of inflator pump, the radiating effect is better, is favorable to the long-time use of inflator pump.

Claims (4)

1. An inflation gun pump beneficial to heat dissipation is characterized in that a shell of the inflation gun pump is internally divided into a handle part and an air pump part, the handle part and the air pump part are arranged perpendicular to each other, a battery, a motor and a control switch are arranged on the handle part, a motor shaft of the motor is meshed with a driving wheel through an output gear, a crank arm is eccentrically arranged on the driving wheel and hinged with a piston rod, and the driving wheel rotates to drive the crank arm to reciprocate so that a piston of the air pump linearly reciprocates; the method is characterized in that: the motor shaft is additionally provided with fan blades, the fan blades pump air in the motor cavity, and the air is pushed to the air pump part after being pressurized to cool the outer wall of the air pump and the piston rod; the fan blades are arranged above an output gear of the motor.

2. The heat dissipation facilitating air gun pump as claimed in claim 1, wherein: an air inlet is arranged on the shell of the handle part, and an air outlet is arranged at the head of the inflating gun pump.

3. The heat dissipation facilitating air gun pump as claimed in claim 1, wherein: and an air outlet at the head of the inflation gun pump is provided with a metal heat dissipation ring.

4. The heat dissipation facilitating air gun pump as claimed in claim 1, wherein: and the tail part of the inflation gun pump is provided with a radiating fin.

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