WO2021174436A1

WO2021174436A1 - Portable inflation pump

Info

Publication number: WO2021174436A1
Application number: PCT/CN2020/077719
Authority: WO
Inventors: 李涛; 沈宇珑; 许泽海
Original assignee: 姿各扎克私人有限公司
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-09-10

Abstract

A portable inflation pump, comprising: an inner housing, an outer housing, a control assembly, and a power source compartment front cover (11). The inner housing comprises a fan blade compartment (1), a driving compartment (2), and a power source compartment (3); a reserve power source is provided in the power source compartment (3), a driving assembly (4) is provided in the driving compartment (2), and fan blades (5) are provided in the fan blade compartment (1). The outer housing comprises a fan blade compartment cover (7) and a power source compartment rear cover (8); a first air hole (6) is provided on one side of the fan blade compartment (1), a second air hole (9) is provided at the center of the fan blade compartment cover (7), and a third air hole (10) is provided on the side of the outer housing close to the first air hole (6). The inflation pump has a compact and simple structure, a small volume, and a light weight, and is easy to carry; the inflation pump does not need to be plugged in or charged when in use, thus achieving a high efficiency; the heat dissipation problem of the driving assembly is solved; and the noise of a fan is lowered.

Description

Portable air pump

Technical field

The invention relates to the field of gas pumps, in particular to a portable inflator pump.

Background technique

With the development of industrial technology and the improvement of people's living standards, there are more and more various inflatable products, so all kinds of inflatable pumps have emerged at the historic moment. Air pump is a kind of inflator, also called air pump, air pump, and inflator. Especially for the needs of outdoor inflatable cushions, swimming rings, bicycle tires, inflatable beds, etc., the Chinese utility model patent with the announcement number CN205823567U discloses a pedal air pump, including a frame and an air pump. The left end of the frame is provided with An articulated seat, the articulated seat penetrates the frame, a support plate is arranged inside the frame, a foot pedal is arranged on the right side of the frame, and an air pressure gauge is arranged on the foot pedal. An air pipe is connected below the air pipe, the end of the air pipe is provided with a fixing seat, the fixing seat is provided with an embedded air nozzle, the embedded air nozzle is fixed to the fixing seat, and the air pump is located inside the frame , The bottom of the air pump is hinged with the hinge seat, the upper end of the air pump is hinged with the foot pedal, the bottom of the air pump is provided with a bottom cover, the upper end of the air pump is provided with a squeeze rod, the A rotating shaft is arranged on the top of the squeezing rod, and the rotating shaft is fixed with the pedal; the pedal air pump has the advantages of an inflating speed block, labor saving, and portability.

However, if you manually provide power and compressed air to inflate, it will not only be time-consuming and labor-intensive, and will greatly affect your life experience, and the inflation effect is difficult to guarantee. Air pipe, air inlet, slot, rolling bearing, pull rod, movable rod, armrest, return spring, support leg, universal wheel and deadlock buckle, the surface of the base is equipped with an air pump, and the side of the air pump is equipped with air delivery Pipes, one end of the gas pipeline is provided with an inflation port, one side of the inflatable pump is also provided with a slot, the gas pipeline is fixed to one side of the inflator through the slot, one side of the base is provided with a rolling bearing, and the surface of the rolling bearing is provided with Pull rod, the surface of the pull rod is provided with a movable rod, and the top surface of the movable rod is provided with a handrail. This kind of portable air pump is moved and transported to the designated The position is more convenient, which solves the problem that the existing inflator needs to be moved by two people; the return spring between the pull rod and the inflator makes the pull rod automatically reset after the work is completed.

However, its size is still large, it is not easy to carry for small outdoor activities, and it is also difficult to use electricity outdoors. It is also restricted by many factors such as weather, and the outdoor experience brought by users is poor.

Summary of the invention

In view of this, the object of the present invention is to provide a portable air pump.

The object of the present invention is achieved through the following technical solutions: a portable air pump, including an inner casing, the inner casing includes a fan blade bin, a drive bin, and a power source bin. The power source bin is provided with a reserve power source. A drive assembly is provided in the drive bin, and a fan blade is provided in the fan blade bin;

The drive bin is connected to the power source bin, and the reserve power source is used to supply energy to the drive assembly; the fan blade bin is connected to the drive bin, and the drive assembly is used to drive the fan blades to rotate. A first air hole is provided on the side;

An outer shell is provided on one side of the inner shell, and the outer shell includes a fan blade warehouse cover and a power supply warehouse rear cover; a second air hole is opened in the middle of the fan blade warehouse cover, and the outer shell is close to the side of the first air hole A third air hole is provided; a control assembly is provided between the outer shell and the drive compartment, and the control assembly is used to control the reserve power supply to supply energy to the drive assembly; cover.

Preferably, the control assembly includes a switch and a toggle member, the reserve power supply, the drive assembly, and the switch are electrically connected, and the toggle member includes a connecting portion and a toggle portion; the connecting portion is located inside the outer shell and is connected to the The switch is connected; the side of the outer casing away from the front cover of the power supply compartment is provided with a toggle hole, and the toggle portion extends to the side of the outer casing away from the front cover of the power supply compartment through the toggle hole.

Preferably, the reserve power source includes a battery and several sets of connecting electrodes, and the connecting electrodes include a first electrode sheet and a second electrode sheet. The first electrode sheet and the second electrode sheet are respectively located at the back cover of the power supply compartment and close to the front cover of the power supply compartment. On one side, the front cover of the power supply compartment is close to the back cover of the power supply compartment; the first electrode sheet and the second electrode sheet abut against the electrodes of the battery.

Preferably, a conductive elastic member is provided on the side of the first electrode sheet close to the second electrode sheet, a circuit board is provided between the connecting electrode near the back cover of the power supply compartment and the drive compartment, and the circuit board is connected to the back of the power supply compartment. The connecting electrodes of the cover are electrically connected, and the batteries include accumulators and dry batteries.

Preferably, a heat dissipation plate is provided in the fan blade bin, the heat dissipation plate is located between the fan blade and the drive assembly, and a heat conduction sheet is provided in the drive bin. connect.

Preferably, the fan blade bin is in the shape of a volute, and a heat dissipation space is provided between the heat dissipation plate and the fan blade.

Preferably, the middle part of the first air hole and the second air hole is provided with a baffle.

Preferably, a silencing chamber is provided on one side of the fan blade bin close to the front cover of the power supply chamber, and a shock absorbing plate is provided in the silencing chamber.

Preferably, a silencing material is provided in the silencing chamber, and the silencing material includes one or more of foam, rock wool, and glass wool.

A portable air pump, comprising an inner casing, characterized in that: the inner casing comprises a fan blade bin, a drive bin, and a power source bin, the power bin is provided with a reserve power source, and the drive bin is provided with a drive component , There are fan blades in the fan blade warehouse;

An outer shell is provided on one side of the inner shell, and the outer shell includes a fan blade warehouse cover and a power supply warehouse rear cover; a second air hole is opened in the middle of the fan blade warehouse cover, and the outer shell is close to the side of the first air hole A third air hole is provided; a control assembly is provided between the outer shell and the drive compartment, and the control assembly is used to control the reserve power supply to supply energy to the drive assembly; Cover; the first air hole, the middle part of the second air hole is provided with a retaining strip;

The control component includes a switch and a toggle member, the reserve power supply, the drive assembly, and the switch are electrically connected. The toggle member includes a connecting portion and a toggle portion; the connecting portion is located inside the outer casing and is connected to the switch The side of the housing away from the front cover of the power supply compartment is provided with a toggle hole, and the toggle portion extends through the toggle hole to the side of the housing away from the front cover of the power supply compartment;

The reserve power supply includes a battery and several sets of connecting electrodes. The connecting electrodes include a first electrode sheet and a second electrode sheet. The front cover of the power supply compartment is close to the side of the back cover of the power supply compartment; the first electrode sheet and the second electrode sheet abut against the electrodes of the battery;

A conductive elastic member is arranged on the side of the first electrode sheet close to the second electrode sheet, a circuit board is arranged between the connecting electrode near the back cover of the power supply compartment and the drive compartment, and the circuit board is connected to the back cover close to the power supply compartment The electrodes are electrically connected, and the battery includes a storage battery and a dry battery;

A heat dissipation plate is arranged in the fan blade bin, the heat dissipation plate is located between the fan blade and the drive assembly, and a heat conduction sheet is arranged in the drive bin, and the heat dissipation plate is connected to the electrode and the reserve power supply through the heat conduction sheet; The fan blade bin is in the shape of a volute, and a heat dissipation space is provided between the radiating plate and the fan blades; the fan blade bin is provided with a silencing chamber on one side close to the front cover of the power supply bin, and a shock absorbing plate is provided in the silencing chamber The silencing chamber is provided with a silencing material, and the silencing material includes one or more of foam, rock wool, and glass wool.

In summary, compared with the prior art, the present invention has the following beneficial effects:

(1) This application discloses a portable air pump, which includes an inner casing, an outer casing, a control assembly, and a front cover of a power supply compartment; the inner casing includes a fan blade compartment, a drive compartment, and a power supply compartment. The power supply compartment is provided with a reserve power supply. , The drive bin is provided with a drive assembly, and the fan blade bin is provided with fan blades; the outer shell includes a fan blade bin cover and a power supply bin rear cover; one side of the fan blade bin is provided with a first air hole, and the middle of the fan blade bin cover is provided with a first air hole. Two air holes, the outer shell is provided with a third air hole on the side close to the first air hole; the present invention has simple and compact structure, small volume, light weight and convenient carrying.

(2) The present invention does not need to be plugged in or used for charging, and is more efficient than manual charging and suction pumps, saving energy and saving time.

(3) The present invention solves the heat dissipation problem of the drive assembly by providing a heat dissipation space, so that the drive assembly will not be damaged due to excessive heat when it continues to work; by setting up a silencing chamber, a shock-absorbing plate, and a sound-absorbing material, it can offset the damage caused by the rotation of the fan. The volume of the main noise frequency is used to reduce the fan noise, and when the noise requirements are met, the fan blade speed is increased and the efficiency is improved.

Description of the drawings

By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, purposes and advantages of the present invention will become more apparent.

Figure 1 is an exploded schematic diagram of a portable air pump in embodiment 1;

Fig. 2 is an exploded schematic diagram of a portable inflator pump in Embodiment 1 for easy display of driving components.

Reference signs: 1. Fan blade compartment; 2. Drive compartment; 3. Power supply compartment; 4. Drive assembly; 5. Fan blade; 6. First air hole; 7. Fan blade compartment cover; 8. Power supply compartment back cover; 9. The second air hole; 10. The third air hole; 11. The front cover of the power supply compartment; 12. The switch; Conductive elastic parts; 18, circuit board; 19, heat sink; 20, heat conduction sheet; 21, barrier strip; 22, silencing chamber; 23, damping board.

Detailed ways

The present utility model will be described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the present utility model. These all belong to the protection scope of the utility model.

Example 1

As shown in Figure 1, a portable air pump includes an inner casing, an outer casing, and a front cover of a power supply compartment 3; the inner casing includes a fan blade compartment 1, a drive compartment 2, and a power supply compartment 3; On the side, the outer shell includes a fan blade compartment cover 7 and a rear cover of the power supply compartment 3. The drive bin 2 is connected to the power source bin 3, and the fan blade bin 1 is connected to the drive bin 2. The front cover of the power supply compartment 3 is located on the side of the inner shell away from the outer shell.

As shown in Figure 2, the drive compartment 2 is provided with a drive assembly 4, which includes a motor; a reserve power supply is set in the power compartment 3, and the reserve power supply includes a battery and two sets of connecting electrodes. The connecting electrodes include a first electrode sheet 15 and The second electrode sheet 16. The first electrode sheet 15 and the second electrode sheet 16 are respectively located on the side of the back cover of the power supply compartment 3 near the front cover of the power supply compartment 3, and the side of the front cover of the power supply compartment 3 near the back cover of the power supply compartment 3; the first electrode sheet 15 and the second electrode The sheet 16 is in contact with the electrode of the battery; a conductive elastic member 17 is provided on the side of the first electrode sheet 15 close to the second electrode sheet 16, and a circuit board 18 is provided between the connecting electrode near the back cover of the power supply compartment 3 and the drive compartment 2 The circuit board 18 is electrically connected to the connecting electrode near the back cover of the power compartment 3, and the battery includes a storage battery and a dry battery.

The fan blade warehouse 1 is in the shape of a volute, and a fan blade 5 is arranged in the fan blade warehouse 1; a first air hole 6 is provided on one side of the fan blade warehouse 1, and a muffler chamber 22 is provided on the other side close to the front cover of the power supply warehouse 3. The silencing chamber 22 is provided with a shock absorbing plate 23 and a silencing material; the silencing material includes one or more of foam, rock wool, and glass wool. The fan blade compartment 1 is provided with a heat dissipation plate 19, which is located between the fan blade 5 and the drive assembly 4. A heat conduction sheet 20 is provided in the drive compartment 2, and the heat dissipation plate 19 is connected to the connection electrode and the reserve power supply through the heat conduction sheet 20 ; A heat dissipation space is provided between the heat dissipation plate 19 and the fan blade 5.

A second air hole 9 is opened in the middle of the fan blade silo cover 7, and a third air hole 10 is provided on the side of the outer shell close to the first air hole 6; A control component is arranged between 2; the control component includes a switch 12 and a toggle member, the toggle member includes a connecting portion 13 and a toggle portion 14; the connecting portion 13 is located inside the outer casing and is connected to the switch 12; the outer casing is away from the power source One side of the front cover of the compartment 3 is provided with a toggle hole, and the toggle portion 14 extends through the toggle hole to the side of the outer shell away from the front cover of the power supply compartment 3.

The reserve power supply, the drive assembly 4, and the switch 12 are electrically connected, and the reserve power supply is controlled to supply energy to the drive assembly 4 through the control assembly, the reserve power supply supplies energy to the drive assembly 4, and the drive assembly 4 drives the fan blade 5 to rotate; the present invention has a simple, compact structure and a volume It is small, light, and easy to carry; it does not need to be plugged in or recharged, and it is more efficient than manual charging and suction pumps, saving energy and saving time; by setting up a heat dissipation space, the heat dissipation problem of the drive assembly 4 is solved, so that the drive Component 4 will not be damaged due to excessive heat when it continues to work; by setting up the silencing chamber 22, damping plate 23, and silencing material, the volume of the main noise frequency when the fan is rotating is offset, so as to reduce the fan noise, and in the case of meeting the noise requirements Down, increase the speed of the fan blade 5 to improve efficiency.

The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

A portable air pump, comprising an inner casing, characterized in that: the inner casing includes a fan blade compartment (1), a drive compartment (2), a power supply compartment (3), and the power supply compartment (3) is provided with Reserve power supply, a drive assembly (4) is provided in the drive bin (2), and a fan blade (5) is provided in the fan blade bin (1);

The drive bin (2) is connected to the power source bin (3), and the reserve power source is used to supply energy to the drive assembly (4); the fan blade bin (1) is connected to the drive bin (2), and the The driving assembly (4) is used to drive the fan blade (5) to rotate, and one side of the fan blade bin (1) is provided with a first air hole (6);

An outer shell is provided on one side of the inner shell, and the outer shell includes a fan blade warehouse cover (7), a power supply warehouse (3) rear cover; a second air hole (9) is opened in the middle of the fan blade warehouse cover (7). ), the outer shell is provided with a third air hole (10) on the side close to the first air hole (6); a control assembly is arranged between the outer shell and the drive compartment (2), and the control assembly is used to control the reserve power supply Power is supplied to the drive assembly (4); the inner casing is provided with a power supply compartment (3) front cover on the side away from the outer casing.
The portable air pump according to claim 1, wherein the control assembly includes a switch (12), a toggle member, the reserve power supply, the drive assembly (4), and the switch (12) are electrically connected, and the dial The moving part includes a connecting part (13) and a toggle part (14); the connecting part (13) is located inside the outer shell and is connected to the switch (12); the outer shell is away from the front cover of the power compartment (3) A toggle hole is opened on one side, and the toggle portion (14) extends to the side of the outer shell away from the front cover of the power supply compartment (3) through the toggle hole.
The portable inflator pump according to claim 1, wherein the reserve power supply includes a battery and several sets of connecting electrodes, and the connecting electrodes include a first electrode sheet (15) and a second electrode sheet (16), the first The electrode sheet (15) and the second electrode sheet (16) are respectively located on the side of the back cover of the power supply compartment (3) near the front cover of the power supply compartment (3), and the side of the front cover of the power supply compartment (3) near the back cover of the power supply compartment (3) The first electrode sheet (15) and the second electrode sheet (16) are in contact with the electrode of the battery.
The portable air pump according to claim 3, characterized in that, a conductive elastic member (17) is provided on the side of the first electrode sheet (15) close to the second electrode sheet (16), which is close to the power supply compartment (3). A circuit board (18) is arranged between the connection electrode of the back cover and the drive compartment (2), and the circuit board (18) is electrically connected to the connection electrode near the back cover of the power compartment (3), and the battery includes a storage battery and a dry battery .
The portable air pump according to claim 1, characterized in that a heat dissipation plate (19) is provided in the fan blade compartment (1), and the heat dissipation plate (19) is located between the fan blade (5) and the drive assembly (4). ), a thermally conductive sheet (20) is arranged in the drive compartment (2), and the heat sink (19) is connected to the connecting electrode and the reserve power source through the thermally conductive sheet (20).
The portable air pump according to claim 5, characterized in that the fan blade bin (1) has a volute shape, and a heat dissipation space is provided between the heat dissipation plate (19) and the fan blade (5).
The portable inflator pump according to claim 1, characterized in that a barrier (21) is provided in the middle of the first air hole (6) and the second air hole (9).
The portable air pump according to claim 1, characterized in that, a side of the fan blade compartment (1) close to the front cover of the power supply compartment (3) is provided with a silencing chamber (22), and the silencing chamber (22) is A shock absorbing plate (23) is provided.
The portable inflator pump according to claim 8, characterized in that a silencing material is provided in the silencing chamber (22), and the silencing material includes one or more of foam, rock wool, and glass wool.
A portable air pump, comprising an inner casing, characterized in that: the inner casing includes a fan blade compartment (1), a drive compartment (2), a power supply compartment (3), and the power supply compartment (3) is provided with Reserve power supply, a drive assembly (4) is provided in the drive bin (2), and a fan blade (5) is provided in the fan blade bin (1);

The drive bin (2) is connected to the power source bin (3), and the reserve power source is used to supply energy to the drive assembly (4); the fan blade bin (1) is connected to the drive bin (2), and the The driving assembly (4) is used to drive the fan blade (5) to rotate, and one side of the fan blade bin (1) is provided with a first air hole (6);

An outer shell is provided on one side of the inner shell, and the outer shell includes a fan blade warehouse cover (7), a power supply warehouse (3) rear cover; a second air hole (9) is opened in the middle of the fan blade warehouse cover (7). ), the outer shell is provided with a third air hole (10) on the side close to the first air hole (6); a control assembly is arranged between the outer shell and the drive compartment (2), and the control assembly is used to control the reserve power supply Power is supplied to the drive assembly (4); the inner casing is provided with a front cover of the power supply compartment (3) on the side away from the outer casing; the middle of the first air hole (6) and the second air hole (9) is provided with a barrier twenty one);

The control assembly includes a switch (12) and a toggle member, the reserve power supply, the drive assembly (4), and the switch (12) are electrically connected, and the toggle member includes a connecting portion (13) and a toggle portion (14) The connecting portion (13) is located inside the outer shell and is connected to the switch (12); the outer shell is away from the power compartment (3) on the side of the front cover with a toggle hole, the toggle portion (14) ) Extend through the toggle hole to the side of the housing away from the front cover of the power compartment (3);

The reserve power supply includes a battery and several groups of connecting electrodes. The connecting electrodes include a first electrode sheet (15) and a second electrode sheet (16). The first electrode sheet (15) and the second electrode sheet (16) are respectively located at The back cover of the power supply compartment (3) is close to the side of the front cover of the power supply compartment (3), and the front cover of the power supply compartment (3) is close to the side of the back cover of the power supply compartment (3); the first electrode sheet (15) and the second electrode sheet (16) Contact with the electrode of the battery;

A conductive elastic member (17) is arranged on the side of the first electrode sheet (15) close to the second electrode sheet (16), and a conductive elastic member (17) is arranged between the connecting electrode near the back cover of the power supply compartment (3) and the driving compartment (2). A circuit board (18), the circuit board (18) is electrically connected to a connection electrode near the back cover of the power supply compartment (3), and the battery includes a storage battery and a dry battery;

The fan blade compartment (1) is provided with a heat dissipation plate (19), the heat dissipation plate (19) is located between the fan blade (5) and the drive assembly (4), and the drive compartment (2) is provided with a heat conduction plate (19). The heat dissipation plate (19) is connected to the connecting electrode and the reserve power supply through the heat conducting sheet (20); the fan blade bin (1) is in the shape of a volute, and the heat dissipation plate (19) is connected to the fan blade (5) There is a heat dissipation space between them; the fan blade warehouse (1) is provided with a silencing chamber (22) on one side close to the front cover of the power supply warehouse (3), and a shock absorbing plate is provided in the silencing chamber (22) (23); The silencing chamber (22) is provided with a silencing material, and the silencing material includes one or more of foam, rock wool, and glass wool.