CN219774306U

CN219774306U - Portable air pump

Info

Publication number: CN219774306U
Application number: CN202320936175.8U
Authority: CN
Inventors: 马利军; 戚徐炎
Original assignee: Ningbo Maye Electrical Technology Co ltd
Current assignee: Ningbo Maye Electrical Technology Co ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-09-29
Anticipated expiration: 2033-04-24

Abstract

The utility model relates to the technical field of air pumps, and discloses a portable air pump which comprises a shell, wherein a one-way air inlet valve used for air inlet in the shell is fixedly connected to the outside of the shell, and a silencing nozzle used for noise reduction of air flowing into the one-way air inlet valve is fixedly connected to the outside of the one-way air inlet valve. The air compressor is characterized in that the air compressor is driven to reciprocate in the shell through the rotation of the screw rod, air flows into the shell through the silencing mouth and the one-way air inlet valve through the reciprocating sliding of the air compressor, compressed air is discharged through the one-way air outlet valve after being compressed by the air compressor, the volume and weight of the air pump can be effectively reduced through the screw rod, the air compressor, the silencing mouth, the one-way air inlet valve and the one-way air outlet valve, portability and silence of the air pump are improved, meanwhile, the one-way air outlet valve is connected with the air duct through the rotation of threads, and the air duct and the air connector are connected through the rotation of threads, so that installation convenience and air tightness of an air pump inflating connecting pipe are improved.

Description

Portable air pump

Technical Field

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

Background

The air pump is an air pump, is a device for exhausting air from a closed space or adding air from the closed space, and mainly comprises an electric air pump and a manual air pump, and is a foot-operated air pump, wherein the electric air pump is an air pump powered by electric power, and air pressure is generated by continuously compressing air through the electric power, so that the air pump is mainly used for pumping, sewage treatment, electroplating and air blowing, aeration of a methane tank and ventilation of a tunnel, and the existing air pump has the following problems:

1. the existing air pump is large in size and heavy in weight, is inconvenient to use outdoors and is complex in structure and high in running noise, and the practicability of the air pump is seriously affected.

2. The existing air pump is required to be fixed by adopting a clamp and the like for inflating the connecting pipe, the installation operation is complex, errors are easy to occur, and the tightness is poor.

Disclosure of Invention

For solving the problems that the existing air pump is large in size and heavy in weight, inconvenient to use outdoors, complex in air pump structure and high in running noise, the practicability of the air pump is seriously affected, the existing air pump is required to be fixed by adopting a clamp and the like for inflating a connecting pipe, the installation operation is complicated, errors are easy to occur, the sealing performance is poor, and the purposes of portability, low noise and convenience and air tightness in installation are achieved.

The utility model is realized by the following technical scheme: the utility model provides a portable air pump, includes the casing, the outside fixedly connected with of casing is used for the inside unidirectional air inlet valve that admits air of casing, the outside fixedly connected with of unidirectional air inlet valve is used for the inside amortization mouth of making an uproar that falls of air inflow unidirectional air inlet valve, the inside sliding connection of casing has the air-compressing disc that is used for the inside pressure air that produces of casing, the outside swing joint of air-compressing disc has the airtight subassembly that is used for the air-compressing disc at the inside sliding seal of casing, the inside fixedly connected with of casing is used for controlling the air-compressing disc at the inside reciprocating gliding bull stick that prevents of casing, the inside swing joint of casing has the power component that is used for controlling the air-compressing disc at the inside activity of casing. The outside fixedly connected with of casing is used for the stabilizer blade of casing support location, the outside fixedly connected with of casing is used for the inside compressed air exhaust one-way air outlet valve of casing, the outside fixedly connected with of one-way air outlet valve is used for carrying compressed air's air duct, the outside swing joint of air duct has the air joint that is used for connecting external equipment.

Further, the shell is communicated with the inside of the one-way air inlet valve, the silencing mouth is communicated with the inside of the one-way air inlet valve, and the one-way air inlet valve and the silencing mouth are coaxial.

Further, the axis of the air compressing disc is coaxial with the shell, the air compressing disc is in sliding sealing connection with the inside of the shell, and the air compressing disc corresponds to the position of the one-way air inlet valve and is matched with the one-way air inlet valve in specification.

Further, the airtight assembly comprises a placing groove which is arranged on the surface of the air compressing disc and used for installing a sealing element, and an air cushion which is clamped on the inner side of the placing groove and used for sliding sealing the air compressing disc and the shell, and the placing groove corresponds to the air cushion in position and is matched with the air cushion in specification.

Further, the number of the anti-rotating rods is at least two, all the anti-rotating rods are arranged in the shell at equal angles in a circular mode, the anti-rotating rods are connected with the air compressing disc in a sliding sealing mode, and the power assembly comprises a screw rod movably connected in the shell and used for driving the air compressing disc to slide in the shell in a reciprocating mode and a motor fixedly connected to the outside of the shell and used for providing power for the screw rod.

Further, the axis of the screw rod is mutually overlapped with the axis of the shell, the screw rod is connected with the air compressing disc through threads, and the screw rod is fixedly connected with the motor through a connecting shaft.

Further, the supporting legs are arranged outside the shell in a circular mode at equal angles, the positions of the one-way air outlet valves and the positions of the air compressing discs are corresponding and the specifications of the one-way air outlet valves are matched, the air guide pipe is fixedly connected with the one-way air outlet valves through threads, and the air guide pipe is connected with the air connector through threads.

The utility model provides a portable air pump. The beneficial effects are as follows:

the air compressor is characterized in that the air compressor is driven to reciprocate in the shell through the rotation of the screw rod, air flows into the shell through the silencing mouth and the one-way air inlet valve through the reciprocating sliding of the air compressor, compressed air is discharged through the one-way air outlet valve after being compressed by the air compressor, the volume and weight of the air pump can be effectively reduced through the screw rod, the air compressor, the silencing mouth, the one-way air inlet valve and the one-way air outlet valve, portability and silence of the air pump are improved, meanwhile, the one-way air outlet valve is connected with the air duct through the rotation of threads, and the air duct and the air connector are connected through the rotation of threads, so that installation convenience and air tightness of an air pump inflating connecting pipe are improved.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic diagram of the connection relationship among the shell, the one-way air inlet valve, the silencing nozzle and the support legs;

FIG. 3 is a schematic view of the connection relationship among the shell, the air compressing disc, the airtight component, the anti-rotation rod, the power component and the support legs;

FIG. 4 is a schematic diagram of the connection relationship between the air compressor disk and the airtight component of the present utility model;

FIG. 5 is a schematic diagram of the connection relationship between the air compressing disc and the placing groove;

FIG. 6 is a schematic view of the air cushion structure of the present utility model;

FIG. 7 is a schematic diagram of the connection relationship among the unidirectional air outlet valve, the air duct and the air connector.

In the figure: 1. a housing; 11. a one-way air inlet valve; 12. a sound deadening nozzle; 13. a gas-compressing disc; 14. an airtight assembly; 141. a placement groove; 142. an air cushion; 15. an anti-rotation rod; 16. a power assembly; 161. a screw rod; 162. a motor; 2. a support leg; 21. a one-way air outlet valve; 22. an air duct; 23. and an air joint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples of the portable air pump are as follows:

embodiment one:

referring to fig. 1-6, a portable air pump includes a housing 1, a unidirectional air inlet valve 11 for air inlet inside the housing 1 is fixedly connected to the outside of the housing 1, a noise reduction nozzle 12 for air to flow into the unidirectional air inlet valve 11 for noise reduction is fixedly connected to the outside of the unidirectional air inlet valve 11, an air compression disc 13 for generating pressure air inside the housing 1 is slidingly connected to the inside of the housing 1, the housing 1 is communicated with the inside of the unidirectional air inlet valve 11, the noise reduction nozzle 12 is communicated with the inside of the unidirectional air inlet valve 11, the unidirectional air inlet valve 11 and the noise reduction nozzle 12 are coaxial, the axis of the air compression disc 13 is coaxial with the housing 1, the air compression disc 13 is slidingly and hermetically connected with the inside of the housing 1, and the positions of the air compression disc 13 and the unidirectional air inlet valve 11 correspond to each other and are matched in specification.

The outside swing joint of air compressor 13 has the airtight subassembly 14 that is used for air compressor 13 at the inboard sliding seal of casing 1, airtight subassembly 14 is including opening the standing groove 141 that is used for installing the sealing member on air compressor 13 surface, the air cushion 142 that is used for sliding seal air compressor 13 and casing 1 in the inboard joint of standing groove 141, the standing groove 141 corresponds and the specification phase-match with the position of air cushion 142, the inboard fixedly connected with of casing 1 is used for controlling the reciprocating sliding of air compressor 13 in casing 1 prevents the bull stick 15, the inboard swing joint of casing 1 has the power component 16 that is used for controlling air compressor 13 and moves in casing 1, prevent that the number of bull stick 15 is at least two, all prevent bull stick 15 circular equiangular arrangement is in the inside of casing 1, prevent bull stick 15 and air compressor 13 sliding seal connection, power component 16 includes the motor 162 that the swing joint is inside casing 1 is used for driving air compressor 13 in the inside reciprocating sliding of casing 1, the axis of lead screw 161 and casing 1 coincides each other through threaded connection with the axis of screw 161, lead screw 161 and motor 162 pass through the connecting axle fixed connection.

The motor 162 is electrified to operate to drive the screw rod 161 to rotate in the shell 1, the screw rod 161 rotates to drive the air compressing disc 13 to reciprocate in the shell 1 under the guiding action of the anti-rotation rod 15, the air compressing disc 13 slides to drive the air cushion 142 to move, when the air compressing disc 13 moves along the direction of the motor 162, the upper space of the shell 1 is increased, negative pressure is generated in the shell 1, external air enters the silencing nozzle 12 under the pressure effect, air in the silencing nozzle 12 flows into the shell 1 through the one-way air inlet valve 11, and when the air compressing disc 13 moves along the direction of the one-way air inlet valve 11 to compress the air flowing into the shell 1, the air is compressed to flow into the one-way air outlet valve 21.

The outside fixedly connected with of casing 1 is used for casing 1 to support stabilizer blade 2 of location, the outside fixedly connected with of casing 1 is used for casing 1 inside compressed air exhaust one-way air outlet valve 21, make the air-compressing disc 13 in the inside reciprocal slip of casing 1 through lead screw 161 rotation, the reciprocal slip of air-compressing disc 13 makes the air flow into casing 1 inside through amortization of amortization mouth 12 and one-way admission valve 11, air-compressing disc 13 compresses the air and discharges through one-way air outlet valve 21 after passing through one-way air outlet valve 21, adopt lead screw 161, air-compressing disc 13 cooperation amortization mouth 12, one-way admission valve 11, one-way air outlet valve 21 alright effectively reduce the volume and the weight of air pump, portability and quiet nature of air pump have been improved.

Embodiment two:

referring to fig. 1-3 and 7, a portable air pump includes a housing 1, a support leg 2 for supporting and positioning the housing 1 is fixedly connected to the outside of the housing 1, a one-way air outlet valve 21 for discharging compressed air in the housing 1 is fixedly connected to the outside of the housing 1, an air duct 22 for delivering compressed air is fixedly connected to the outside of the one-way air outlet valve 21, and an air connector 23 for connecting with external equipment is movably connected to the outside of the air duct 22.

Based on the first embodiment, when the air pump works, the user needs to operate one end of the air duct 22 to be in threaded rotation connection with the one-way air outlet valve 21, the other end of the air duct 22 is in threaded connection with the air connector 23, compressed air generated in the shell 1 flows into the air duct 22 through the one-way air outlet valve 21, and air in the air duct 22 is conveyed into the air using device through the air connector 23.

The support legs 2 are circularly arranged outside the shell 1 at equal angles, the positions of the one-way air outlet valves 21 and the positions of the air compressing discs 13 are corresponding and the specifications are matched, the air guide pipe 22 and the one-way air outlet valves 21 are in threaded fastening connection, the air guide pipe 22 and the air connector 23 are in threaded connection, meanwhile, the one-way air outlet valves 21 and the air guide pipe 22 are in threaded rotation connection, and the air guide pipe 22 and the air connector 23 are in threaded rotation connection, so that the installation convenience and the air tightness of the air pump inflating connecting pipe are improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable air pump comprising a housing (1), characterized in that: the device is characterized in that a unidirectional air inlet valve (11) used for air inlet inside the shell (1) is fixedly connected to the outside of the shell (1), a silencing nozzle (12) used for reducing noise inside the unidirectional air inlet valve (11) is fixedly connected to the outside of the unidirectional air inlet valve (11), an air compressing disc (13) used for generating pressure air inside the shell (1) is connected to the inside of the shell (1) in a sliding manner, an airtight component (14) used for sliding and sealing the air compressing disc (13) inside the shell (1) is movably connected to the outside of the air compressing disc (13), a rotation preventing rod (15) used for controlling the air compressing disc (13) to slide back and forth inside the shell (1) is fixedly connected to the inside of the shell (1), and a power component (16) used for controlling the air compressing disc (13) to move inside the shell (1) is movably connected to the inside of the shell (1);

the utility model discloses a device for fixing a shell, including casing (1), outside fixedly connected with of casing (1) is used for casing (1) support stabilizer blade (2) of location, the outside fixedly connected with of casing (1) is used for casing (1) inside compressed air exhaust one-way air outlet valve (21), the outside fixedly connected with of one-way air outlet valve (21) is used for carrying compressed air's air duct (22), the outside swing joint of air duct (22) has air joint (23) that are used for connecting external equipment.

2. A portable air pump as defined in claim 1, wherein: the shell (1) is communicated with the inside of the one-way air inlet valve (11), the silencing mouth (12) is communicated with the inside of the one-way air inlet valve (11), and the one-way air inlet valve (11) and the silencing mouth (12) are coaxial.

3. A portable air pump as defined in claim 1, wherein: the axis of the air compressing disc (13) is coaxial with the shell (1), the air compressing disc (13) is in sliding sealing connection with the inside of the shell (1), and the positions of the air compressing disc (13) and the unidirectional air inlet valve (11) are corresponding and matched in specification.

4. A portable air pump as defined in claim 1, wherein: the airtight assembly (14) comprises a placing groove (141) which is arranged on the surface of the air compressing disc (13) and used for installing a sealing element, and an air cushion (142) which is clamped inside the placing groove (141) and used for sliding sealing the air compressing disc (13) and the shell (1), wherein the placing groove (141) corresponds to the air cushion (142) in position and is matched with the air cushion in specification.

5. A portable air pump as defined in claim 1, wherein: the number of the anti-rotation rods (15) is at least two, all the anti-rotation rods (15) are arranged in the shell (1) at equal angles in a circular mode, the anti-rotation rods (15) are connected with the air compressing disc (13) in a sliding sealing mode, the power assembly (16) comprises a screw rod (161) movably connected in the shell (1) and used for driving the air compressing disc (13) to slide back and forth in the shell (1), and a motor (162) fixedly connected to the outside of the shell (1) and used for providing power for the screw rod (161).

6. A portable air pump as defined in claim 5, wherein: the axis of the screw rod (161) is mutually overlapped with the axis of the shell (1), the screw rod (161) is connected with the air compressing disc (13) through threads, and the screw rod (161) is fixedly connected with the motor (162) through a connecting shaft.

7. A portable air pump as defined in claim 1, wherein: the support legs (2) are circularly arranged outside the shell (1) at equal angles, the positions of the one-way air outlet valves (21) and the air compressing disc (13) are corresponding and the specifications are matched, the air guide pipe (22) is fixedly connected with the one-way air outlet valves (21) through threads, and the air guide pipe (22) is connected with the air connector (23) through threads.