CN219529351U

CN219529351U - Miniature inflator pump

Info

Publication number: CN219529351U
Application number: CN202320334519.8U
Authority: CN
Inventors: 宋现旺; 孙灵俊; 姜礼祯; 谢跃
Original assignee: Suzhou Tebo Power Technology Co ltd
Current assignee: Shanghai Lithium Mirror Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-15
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a miniature inflator pump, which comprises a shell, fan blades and a motor; the shell comprises a top cover, a vertical shell and a bottom cover; the inner wall of the top part of the vertical shell is horizontally provided with a mounting plate, the top cover, the mounting plate and the inner wall of the vertical shell form an air cavity, and the mounting plate, the bottom cover and the inner wall of the vertical shell form a motor bin; the fan blades are arranged in the air cavity, and the motor is arranged in the motor bin; an air inlet is formed in the top cover, and an air outlet is formed in the bottom cover; the mounting plate is provided with an air inlet, and the air cavity is communicated with the air inlet and the air inlet; the motor bin is communicated with the air inlet and the air outlet. According to the utility model, the air inlet and the air outlet of the air pump are respectively arranged at the top and the bottom of the motor, so that wind entering the pump body can flow around the motor, heat dissipation of the motor is realized, and service life reduction caused by overhigh temperature of the motor is avoided; in addition, the air outlet is arranged at the bottom of the shell, so that the air outlet is prevented from protruding out of the pump body, the possibility of contact between the air outlet and other objects can be reduced, and the problem of damage of the air outlet is effectively avoided.

Description

Miniature inflator pump

Technical Field

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

Background

Inflatable sofa, inflatable mattress, inflatable bed and other outdoor inflatable body etc. are because of having characteristics such as light in weight, collapsible, portable, the practicality is strong and travelling comfort is high, are equipped with to be favored by the consumer, carry out the availability of the pump that inflates to the inflatable body and also become higher along with it.

However, the existing inflator pump adopts a structural form that one end is used for air inlet, the side face of the pump body is used for air outlet, and the air inlet and the air outlet are arranged on the same side of the motor, so that air flow entering the pump body flows out from the air outlet without passing through the motor, the structural design of the inflator pump is unreasonable, the temperature of the motor arranged in the pump body is too high to work normally, and the heat generated by the motor can not be dissipated in time for a long time, so that the service life of the motor can be seriously reduced; in addition, the air outlet arranged on the side face of the inflator pump protrudes out of the pump body, so that the air outlet is easy to touch with other articles, and the possibility of damage of the air outlet of the inflator pump is increased.

Disclosure of Invention

The present utility model provides a miniature inflator pump to overcome the above-described problems.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

a miniature inflator pump comprises a shell, and fan blades and a motor which are sequentially arranged in the shell downwards;

the shell comprises a top cover, a vertical shell and a bottom cover; the vertical shell is of a hollow column structure and is arranged between the top cover and the bottom cover;

the mounting plate is horizontally arranged on the inner wall of the top of the vertical shell, the top cover, the mounting plate and the inner wall of the vertical shell form an air cavity, and the mounting plate, the bottom cover and the inner wall of the vertical shell form a motor bin; the fan blades are arranged in the wind cavity, and the motor is arranged in the motor bin; an opening is formed in the mounting plate, and a motor shaft of the motor penetrates through the opening and stretches into the wind cavity to be connected with the fan blades;

the top cover is provided with an air inlet, and the bottom cover is provided with an air outlet; a plurality of air inlets are arranged on the mounting plate, and the air inlets are arranged between the inner wall of the vertical shell and the tail parts of the fan blades; the air cavity is communicated with the air inlet and the air inlet; the motor bin is communicated with the air inlet and the air outlet.

Further, a baffle is vertically fixed on the mounting plate, the baffle is arranged between the air inlet and one end of the fan blade, which is far away from the motor shaft, and one end of the baffle is connected with the inner wall of the vertical shell; the air inlet is characterized in that a flow guide cover is arranged between the top cover and the fan blade, a plurality of flow guide columns extend downwards from the lower side of the edge of the flow guide cover, the flow guide columns are in butt joint with the edge of the air inlet, and the baffle and the flow guide columns are used for guiding wind generated by rotation of the fan blade in the air cavity into the motor bin through the air inlet.

Further, the opening of the mounting plate is provided with a heat dissipation aluminum sheet, and the heat dissipation aluminum sheet is horizontally arranged on one side of the motor, which is close to the air inlet, and is fixedly connected with the motor.

Further, the electric motor comprises a battery, and the battery is arranged between the electric motor and the inner wall of the vertical shell.

Further, the motor cabin also comprises a lighting device which is arranged at the lower side of the motor cabin and comprises a lamp panel and a lamp panel fixing plate, the lamp panel fixing plate is arranged on the bottom cover, and the lamp panel is fixed on the lower side of the lamp panel fixing plate; the bottom cover is a lampshade and is arranged on the lower side of the lamp panel.

Further, a circuit board is arranged in the motor bin, and a key and a charging port are arranged on the outer wall of the vertical shell.

Further, the outer wall of the top cover is provided with a mounting hole for mounting the hanging ring; and a magnet is arranged in the motor bin.

Compared with the existing inflator pump, the utility model has the beneficial effects that:

according to the miniature inflator disclosed by the utility model, the air inlet and the air outlet of the inflator are respectively arranged at the top and the bottom of the motor, so that wind entering the pump body can flow around the motor, heat dissipation of the motor is realized, and the problem of service life reduction of the motor in the inflator due to overhigh temperature is avoided; in addition, the air outlet is arranged at the bottom of the shell, so that the air outlet is prevented from protruding out of the pump body, the possibility of contact between the air outlet and other objects can be reduced, and the problem of damage of the air outlet is effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a micro inflator disclosed in an embodiment of the present utility model;

FIG. 2 is a top view of a micro inflator disclosed in an embodiment of the present utility model;

FIG. 3 is a bottom view of a micro-inflator disclosed in an embodiment of the present utility model;

FIG. 4 is a front cross-sectional view of a micro-inflator disclosed in an embodiment of the present utility model;

FIG. 5 is a top cross-sectional view of a micro-inflator disclosed in an embodiment of the present utility model;

FIG. 6 is a schematic illustration of a mounting hole and baffle for a micro inflator in accordance with one embodiment of the present utility model;

FIG. 7 is a schematic diagram showing the positions of mounting holes and baffles of a micro inflator according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a flow cap for a micro-inflator in accordance with an embodiment of the present utility model.

In the figure: 1. a housing; 11. a top cover; 111. an air inlet; 112. a mounting hole; 12. a vertical shell; 121. a key; 122. a silica gel plug; 13. a bottom cover; 131. an air outlet; 2. a fan blade; 3. a motor; 31. a motor shaft; 4. a mounting plate; 41. an air inlet; 42. a baffle; 5. a wind chamber; 6. a motor bin; 7. a heat radiation aluminum sheet; 8. a lighting device; 81. a lamp panel; 82. a lamp panel fixing plate; 9. a diversion cover; 91. a flow guiding column; 10. a hanging ring; 14. a magnet; 15. a battery; 16. a circuit board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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:

1-5 show a micro inflator pump provided by the embodiment, which comprises a shell 1, and a fan blade 2 and a motor 3 which are sequentially arranged in the shell 1 downwards;

the housing 1 includes a top cover 11, a vertical shell 12, and a bottom cover 13; the vertical shell 12 is of a hollow column structure, and the vertical shell 12 is arranged between the top cover 11 and the bottom cover 13;

the top cover 11, the mounting plate 4 and the inner wall of the vertical shell 12 form an air cavity 5, and the mounting plate 4, the bottom cover 13 and the inner wall of the vertical shell 12 form a motor bin 6; the fan blades 2 are arranged in the wind cavity 5, and the motor 3 is arranged in the motor bin 6; an opening is formed in the mounting plate 4, and a motor shaft 31 of the motor 3 penetrates through the opening and stretches into the wind cavity 5 to be connected with the fan blades 2;

the top cover 11 is provided with an air inlet 111, and the bottom cover 13 is provided with an air outlet 131; a plurality of air inlets 41 are formed in the mounting plate 4, and the air inlets 41 are arranged between the inner wall of the vertical shell 12 and the tail parts of the fan blades 2; the air cavity 5 is communicated with the air inlet 111 and the air inlet 41; the motor compartment 6 communicates with the air inlet 41 and the air outlet 131. In this embodiment, the design of the heat dissipation structure can ensure that the temperature of the motor 3 is less than 45 ℃.

Preferably, as shown in fig. 6 and 7, a baffle plate 42 is vertically fixed on the mounting plate 4, the baffle plate 42 is disposed between the air inlet 41 and one end of the fan blade 2 away from the motor shaft 31, and one end of the baffle plate 42 is connected with the inner wall of the vertical shell 12; the air guide device is characterized in that a guide cover 9 is arranged between the top cover 11 and the fan blades 2, a plurality of guide posts 91 are downwards extended from the lower side of the edge of the guide cover 9, the guide posts 91 are in butt joint with the edge of the air inlet 41, and the baffle 42 and the guide posts 91 are used for guiding air generated by rotation of the fan blades 2 in the air cavity 5 into the motor bin 6 through the air inlet 41. The top of the diversion cover 9 is provided with a diversion cover opening which is communicated with the wind cavity 5.

Specifically, in the present embodiment, the number of the flow guiding columns 91 is identical to the number of the air inlets 41, and the number is 6, and the flow guiding columns 91 extend downward to be streamline, as shown in fig. 8.

Preferably, as shown in fig. 4, a heat dissipation aluminum sheet 7 is disposed at the opening of the mounting plate 4, and the heat dissipation aluminum sheet 7 is horizontally mounted on one side of the motor 3 near the air inlet 111 and is fixedly connected with the motor 3. In this embodiment, the heat dissipation aluminum sheet 7 and the vertical shell 12 are molded into a whole, the motor 3 is fixed on the heat dissipation aluminum sheet 7 through screws, heat generated by the operation of the motor 3 is transferred into the air cavity 5 through the heat dissipation aluminum sheet 7, and then the fan blade 2 rotates to drive the air flow to take away the heat, so that the heat dissipation of the motor 3 is realized.

Preferably, as shown in fig. 4, the electric motor further comprises a battery 15, and the battery 15 is arranged between the motor 3 and the inner wall of the vertical shell 12. The batteries 15 are used to supply the motor 3 and the lighting system 8 with electrical energy, in this embodiment the batteries 15 are provided in two numbers.

Preferably, as shown in fig. 4, the lighting device 8 is further included, the lighting device 8 is disposed at the lower side of the motor compartment 6, the lighting device 8 includes a lamp panel 81 and a lamp panel fixing plate 82, the lamp panel fixing plate 82 is mounted on the bottom cover 13, and the lamp panel 81 is fixed at the lower side of the lamp panel fixing plate 82; the bottom cover 13 is a lamp cover, and is disposed below the lamp panel 81. In this embodiment, the lamp panel 81 is fixed to the lamp panel fixing plate 82 and then ultrasonically fixed to the bottom cover 13. When the light is darker, the illumination device 8 at the bottom of the inflator pump can be started to illuminate, and then the inflator pump is used for inflating the inflatable body.

Preferably, as shown in fig. 4, a circuit board 9 is disposed in the motor compartment 6, and a key 121 and a charging port are disposed on the outer wall of the vertical shell 12. The button 121 is used for controlling the circuit board 9 in the inflator pump, and then controls the motor 3 and the lighting device 8 in the inflator pump, and the charging port is connected with the circuit board 9 and is used for charging the battery 15. In this embodiment, the silica gel plug 122 is disposed at the charging port to prevent dust and liquid from entering the charging port, so that the charging port cannot be used.

Specifically, in this embodiment, the circuit board 9 is a PCBA (PrintedCircuitBoard Assembly, network printed circuit board assembly), and the PCBA is provided with a sensor for detecting the temperature of the motor 3, when the product is in a closed space and the heat is not emitted after the false start, the sensor can perform power-off processing after the motor 3 reaches 75 ℃, so as to ensure the safety of the inflator pump.

Preferably, as shown in fig. 1 and 2, the outer wall of the top cover 11 is provided with a mounting hole 112 for mounting the hanging ring 10; a magnet 14 is arranged in the motor bin 6. When the bottom lamp is used, the hanging ring 10 is hung on other articles to hang the inflator pump, so that the inflator pump bottom lamp panel 81 can be conveniently illuminated. In this embodiment, the magnet 14 is fixed on the inner wall of the vertical shell 12, and when the inflator lamp is used, the magnet 14 can be adsorbed on a metal object to fix the inflator, and then the inflator lamp is used for illumination. The arrangement of the hanging ring 10 and the magnet 14 enables the inflator pump to flexibly adapt to different use scenes.

The utility model discloses a specific working process of a miniature inflator pump, which comprises the following steps:

pressing the key 121, starting the motor 3, driving the motor shaft 31 and the fan blades 2 to rotate by the motor 3, and under the action of pressure, external wind firstly enters the wind cavity 5 in the inflator pump through the air inlet 111, wind generated by rotation of the fan blades 2 is guided into the air inlet 41 through the baffle plate 42, the air guiding column 91 of the guide cover 9 is arranged to guide the wind thrown out by the fan blades 2 downwards to the motor bin 6, a certain pressure is formed in the motor bin 6, and heat generated by the motor 3 is blown out from the air outlet 131. The air flow guiding column 91 and the baffle plate 42 can enable the maximum flow of the air in the air cavity 5 to enter the motor bin 6, ensure the air quantity flowing through the motor 3, further ensure the cooling effect of the motor 3, and simultaneously improve the air quantity flowing out from the air outlet 131, thereby improving the inflation efficiency of the inflator pump to the inflatable body.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The miniature inflator pump is characterized by comprising a shell (1), and fan blades (2) and a motor (3) which are sequentially arranged in the shell (1) downwards;

the shell (1) comprises a top cover (11), a vertical shell (12) and a bottom cover (13); the vertical shell (12) is of a hollow column structure, and the vertical shell (12) is arranged between the top cover (11) and the bottom cover (13);

the top cover (11), the mounting plate (4) and the inner wall of the vertical shell (12) form an air cavity (5), and the mounting plate (4), the bottom cover (13) and the inner wall of the vertical shell (12) form a motor bin (6); the fan blades (2) are arranged in the air cavity (5), and the motor (3) is arranged in the motor bin (6); an opening is formed in the mounting plate (4), and a motor shaft (31) of the motor (3) penetrates through the opening and stretches into the wind cavity (5) to be connected with the fan blades (2);

an air inlet (111) is formed in the top cover (11), and an air outlet (131) is formed in the bottom cover (13); a plurality of air inlets (41) are formed in the mounting plate (4), and the air inlets (41) are formed between the inner wall of the vertical shell (12) and the tail parts of the fan blades (2); the air cavity (5) is communicated with the air inlet (111) and the air inlet (41); the motor bin (6) is communicated with the air inlet (41) and the air outlet (131).

2. The miniature inflator pump according to claim 1, wherein a baffle plate (42) is vertically fixed on the mounting plate (4), the baffle plate (42) is arranged between the air inlet (41) and one end of the fan blade (2) far away from the motor shaft (31), and one end of the baffle plate (42) is connected with the inner wall of the vertical shell (12); be equipped with water conservancy diversion lid (9) between top cap (11) with flabellum (2), water conservancy diversion lid (9) edge downside downwardly extending is equipped with a plurality of water conservancy diversion posts (91), water conservancy diversion post (91) with the edge butt of income wind gap (41), baffle (42) with water conservancy diversion post (91) are used for with in wind chamber (5) the wind that flabellum (2) rotated and produced, warp air inlet (41) import to in motor storehouse (6).

3. The miniature inflator pump according to claim 1, wherein a heat dissipation aluminum sheet (7) is arranged at the opening of the mounting plate (4), and the heat dissipation aluminum sheet (7) is horizontally installed on one side of the motor (3) close to the air inlet (111) and is fixedly connected with the motor (3).

4. A micro air pump according to claim 1, further comprising a battery (15), said battery (15) being arranged between said motor (3) and the inner wall of said vertical casing (12).

5. The miniature inflator pump according to claim 1, further comprising a lighting device (8), wherein the lighting device (8) is arranged at the lower side of the motor compartment (6), the lighting device (8) comprises a lamp panel (81) and a lamp panel fixing plate (82), the lamp panel fixing plate (82) is mounted on the bottom cover (13), and the lamp panel (81) is fixed at the lower side of the lamp panel fixing plate (82); the bottom cover (13) is a lampshade and is arranged on the lower side of the lamp panel (81).

6. The miniature inflator pump of claim 1, wherein a circuit board (16) is arranged in the motor compartment (6), and a key (121) and a charging port (122) are arranged on the outer wall of the vertical shell (12).

7. A micro inflator pump according to claim 1, wherein the outer wall of the top cover (11) is provided with a mounting hole (112) for mounting the hanging ring (10); a magnet (14) is arranged in the motor bin (6).