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CN-224214318-U - Electric inflator

CN224214318UCN 224214318 UCN224214318 UCN 224214318UCN-224214318-U

Abstract

The utility model provides an electric air charging device which comprises a shell and a core assembly, wherein the core assembly is arranged in the shell and comprises a motor, an air cylinder connected with the motor and an air pipe connected with the air cylinder, the air cylinder comprises an air chamber, the air pipe comprises an air flow channel, the air chamber is communicated with the air flow channel, and the air flow channel is configured to guide air flow from the air chamber to change the flowing direction. The air flow passage is configured to guide the air flow from the air chamber to change the flow direction, so that the problem that the electric inflator has a large length and cannot be miniaturized due to the fact that the air chamber and the air flow passage are arranged along the same straight line can be avoided.

Inventors

  • SHI QIJIE
  • CHEN ZHEYU

Assignees

  • 深圳范泰克科技创新有限公司

Dates

Publication Date
20260508
Application Date
20250414

Claims (11)

  1. 1. An electric inflator, comprising: housing, and The machine core assembly is arranged in the shell and comprises a motor, a cylinder connected with the motor and an air pipe connected with the cylinder, wherein the air cylinder comprises an air chamber, the air pipe comprises an air flow channel, the air chamber is communicated with the air flow channel, and the air flow channel is configured to guide the air flow from the air chamber to change the flowing direction.
  2. 2. The electric inflator according to claim 1, wherein the cylinder includes a cylinder body and a cylinder head connected to the cylinder body, the air chamber is provided to the cylinder body, the cylinder head includes a communication chamber that communicates with the air chamber and the air flow passage.
  3. 3. The electric air charging device of claim 2, wherein the cartridge assembly further comprises a piston and a piston rod received in the air chamber, the piston being connected to a first end of the piston rod, the cylinder head being connected to one end of the cylinder body and facing the piston, a motor shaft of the motor being connected to a second end of the piston rod opposite the first end.
  4. 4. The electric inflator of claim 1, wherein the motor and the air tube are located on the same side of the cylinder.
  5. 5. The electric inflator according to claim 2, wherein the air pipe includes a main body and a connecting portion connected to the main body, the air flow passage includes a main chamber, a first branch chamber and a second branch chamber, the main chamber and the second branch chamber are provided in the main body, the first branch chamber is provided in the connecting portion, the first branch chamber is communicated with the communicating chamber of the cylinder head, the first branch chamber is communicated with the main chamber through the second branch chamber, an extending direction of the second branch chamber is different from an extending direction of the main chamber and the first branch chamber, and the main body of the air pipe does not exceed the cylinder head in a direction parallel to a flowing direction of an air flow in an air chamber of the cylinder.
  6. 6. The electric air charging device of claim 5, wherein the air tube body further comprises a third branch chamber in communication with the main chamber, and the cartridge assembly further comprises a cover covering the third branch chamber and an air pressure sensor disposed on the cover.
  7. 7. The electric air charging device of claim 1, further comprising a bracket disposed within the housing, the cartridge assembly being secured to the first side of the bracket.
  8. 8. The electric air charging device of claim 7, further comprising a battery secured to the first side of the bracket, the first side of the bracket protruding with a spacer positioned between the battery and the cartridge assembly to separate the battery from the cartridge assembly.
  9. 9. The electric air charging device of claim 8, further comprising a circuit board secured to a second side of the bracket opposite the first side.
  10. 10. The electric air charging device according to claim 5, wherein the connecting portion of the air tube is provided with a positioning hole communicating with the first branch chamber, the cylinder head includes a projection facing the connecting portion of the air tube, the communicating chamber of the cylinder head passes through the projection, and the projection is in sealing engagement with the positioning hole.
  11. 11. The electric inflator according to claim 2, wherein the circumferential outer side surface of the cylinder body is projected with a rib, the air pipe includes a body and a connecting portion connected to the body, the connecting portion includes a guide groove, and the rib is accommodated in the guide groove.

Description

Electric inflator Technical Field The utility model relates to an electric charging device, in particular to a compact electric charging device. Background A variety of electric inflators have appeared on the market, such as riding pumps. The riding pump is an inflating tool specially designed for bicycles and is mainly used for inflating or adjusting the air pressure of bicycle tires. The bicycle air valve is characterized by being portable, light in weight and suitable for being taken along when riding, and being used for coping with the condition of air leakage or insufficient air pressure of a tire. While existing riding pumps meet basic requirements, it would be useful and necessary to provide a new electric charging device, particularly a compact electric charging device. Disclosure of utility model Accordingly, the present utility model provides an electric inflator. In order to solve the technical problems, the utility model provides an electric air charging device, which comprises a shell and a core assembly, wherein the core assembly is arranged in the shell and comprises a motor, an air cylinder connected with the motor and an air pipe connected with the air cylinder, the air cylinder comprises an air chamber, the air pipe comprises an air flow channel, the air chamber is communicated with the air flow channel, and the air flow channel is configured to guide air flow from the air chamber to change the flowing direction. Optionally, the cylinder includes a cylinder body and a cylinder head connected to the cylinder body, the air chamber is disposed on the cylinder body, and the cylinder head includes a communication cavity communicating with the air chamber and the air flow channel. Optionally, the movement assembly further includes a piston and a piston rod received in the air chamber, the piston being connected to a first end of the piston rod, the cylinder head being connected to one end of the cylinder body and facing the piston, a motor shaft of the motor being connected to a second end of the piston rod opposite to the first end. Optionally, the motor and the air pipe are located on the same side of the cylinder. Optionally, the air pipe includes a main body and a connecting portion connected to the main body, the air flow channel includes a main cavity, a first branch cavity and a second branch cavity, the main cavity and the second branch cavity are disposed in the main body, the first branch cavity is disposed in the connecting portion, the first branch cavity is communicated with the communicating cavity of the cylinder head, the first branch cavity is communicated with the main cavity through the second branch cavity, an extending direction of the second branch cavity is different from an extending direction of the main cavity and the first branch cavity, and in a direction parallel to a flowing direction of an air flow in an air chamber of the air cylinder, the main body of the air pipe does not exceed the cylinder head. Optionally, the body of the air pipe further comprises a third branch cavity communicated with the main cavity, and the movement assembly further comprises a cover body for covering the third branch cavity and an air pressure sensor arranged on the cover body. Optionally, the device further comprises a bracket, the bracket is arranged inside the shell, and the movement assembly is fixed on the first side of the bracket. Optionally, the device further comprises a battery fixed to the first side of the bracket, and a spacer protruding from the first side of the bracket, the spacer being located between the battery and the movement assembly to separate the battery and the movement assembly. Optionally, a circuit board is further included and is fixed to a second side of the bracket opposite the first side. Optionally, the connecting part of the air pipe is provided with a positioning hole communicated with the first branch cavity, the air cylinder cover comprises a protruding block facing the connecting part of the air pipe, the communicating cavity of the air cylinder cover penetrates through the protruding block, and the protruding block is in sealing clamping connection with the positioning hole. Optionally, the circumferential outer side surface of the cylinder body protrudes with a rib, the air pipe comprises a body and a connecting part connected to the body, the connecting part comprises a guide groove, and the rib is accommodated in the guide groove. The technical scheme of the utility model has the advantages that the air flow channel is configured to guide the air flow from the air chamber to change the flow direction, so that the problem that the electric air charging device has a larger length and cannot be miniaturized because the air chamber and the air flow channel are arranged along the same straight line can be avoided. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, th