An air pump with an air-guiding and cooling structure

Abstract

This utility model relates to the field of air pump technology and discloses an air pump with a wind-guiding and cooling structure. An air-inflating component is located at the output end of the motor near the air outlet, and a fan is located at the other output end of the motor away from the air-inflating component. A flow-guiding mechanism is detachably connected between the motor and the fan. The flow-guiding mechanism evenly guides the airflow generated by the fan to both sides of the motor and the air-inflating component, allowing the airflow to gradually diffuse and maintain a preset path during flow. This air pump with a wind-guiding and cooling structure causes air to flow rapidly along the guiding direction after being driven by the fan, forming a large airflow along a predetermined flow channel. After passing through the motor and the air-inflating component, the air absorbs heat from the motor and the air-inflating component and is immediately discharged from the outer casing through the air outlet, reducing the wind resistance of the air inside the casing. This achieves the effect of increasing the flow rate of cold air through the casing to cool the casing.

Description

Technical Field

[0001] This utility model relates to the field of air pump technology, and in particular to an air pump with a wind-guiding and cooling structure. Background Technology

[0002] The existing technology involves adding a fan blade to the motor shaft, thereby using the rotation of the motor to drive the fan blade to increase the air circulation inside the air pump, thus achieving the purpose of cooling. In the current state of technology, air pumps lack air flow channels. Although the air is circulated by the fan blades, it is difficult for cold air outside the casing to enter the casing. Due to the lack of flow channels and air guiding components, turbulence is formed inside the casing, and hot air cannot be effectively discharged. As a result, the air pump has an insignificant cooling effect and low cooling efficiency.

[0003] After 5-6 consecutive working cycles, the internal temperature of the air pump casing can reach over 90℃, which makes the circuit board components extremely susceptible to damage or failure due to high temperature, ultimately leading to overheating and damage to the air pump assembly, motor, circuit board components, and battery assembly. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing air pump has the disadvantage of not being effective in heat dissipation. To address this, we propose an air pump with a wind-guiding and cooling structure.

[0005] To achieve the above objectives, this application adopts the following technical solution: an air pump with a wind-guiding and cooling structure, including a bracket, on which a control circuit board, an air pump core assembly, and a battery are integrated. The bracket, control circuit board, air pump core assembly, and battery are installed as a whole inside the outer casing. The air pump core assembly includes a motor, an air-inflating component is provided at the output end of the motor near the air outlet, and a fan is provided at the other output end of the motor away from the air-inflating component. A flow-guiding mechanism is detachably connected between the motor and the fan. The flow-guiding mechanism evenly guides the airflow generated by the fan to both sides of the motor and the air-inflating component, so that the airflow gradually diffuses and maintains a preset path during the flow process.

[0006] Preferably, the outer casing has multiple circular, square, or elongated air inlets at the end near the fan, and multiple circular, square, or elongated air outlets at the end near the inflation component.

[0007] Preferably, the airflow guiding mechanism is a frustum structure with one end having a smaller cross-sectional diameter than the other end, and the side with the smaller cross-sectional diameter faces the fan.

[0008] Preferably, the airflow guiding mechanism is a frustum structure with one end having a smaller side length than the other end, and the side with the smaller side length faces the fan.

[0009] Preferably, the airflow guiding mechanism has a hemispherical design, with the arc surface of the hemisphere facing the fan.

[0010] Preferably, a flow channel is provided on the outer side of the flow guiding mechanism, and a cavity is provided inside the flow guiding mechanism on the side facing the motor.

[0011] The technical effects and advantages of this utility model are as follows: In this invention, the fan rotation causes the air inlet cavity to be drawn into the inner side of the outer shell. By adding a flow guiding mechanism to the surface where the motor forms turbulence, the air is driven by the fan to flow rapidly along the flow guiding direction and form a large airflow according to the predetermined flow channel. After passing through the motor and the inflation component, the air absorbs the heat from the motor and the inflation component and is immediately discharged from the outer shell through the air outlet, reducing the wind resistance of the air inside the outer shell, thereby achieving the effect of increasing the flow rate of cold air through the outer shell to cool the outer shell. Attached Figure Description

[0012] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a schematic diagram of the overall disassembled three-dimensional structure of this utility model; Figure 2 This is a schematic diagram of the three-dimensional cross-section of the overall outer shell of this utility model. Figure 1 ; Figure 3 This is a schematic diagram of the three-dimensional cross-section of the overall outer shell of this utility model. Figure 2 ; Figure 4 This is a schematic diagram of the flow guiding mechanism structure according to Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the flow guiding mechanism structure according to Embodiment 2 of this utility model; Figure 6 This is a schematic diagram of the flow guiding mechanism structure according to Embodiment 3 of this utility model; Figure 7 This is a schematic diagram of the inner structure of the flow guiding mechanism of this utility model; Figure 8 This is a schematic diagram of the overall structure of the turbulent state in the existing technology; Figure 9 This is a schematic diagram of the heat dissipation structure of this utility model.

[0013] Legend: 1. Bracket; 2. Control circuit board; 3. Air pump core assembly; 31. Motor; 32. Inflation assembly; 33. Fan; 34. Air guide mechanism; 4. Battery; 5. Housing; 51. Air inlet; 52. Air outlet. Detailed Implementation

[0014] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0015] Reference Figures 1-3 as well as Figures 8-9 As shown, this utility model provides a technical solution: an air pump with a wind-guiding and cooling structure, including a bracket 1. The bracket 1 integrates a control circuit board 2, an air pump core assembly 3, and a battery 4. The control circuit board 2, the air pump core assembly 3, and the battery 4 are electrically connected. The bracket 1, the control circuit board 2, the air pump core assembly 3, and the battery 4 are installed as a whole inside the outer shell 5. The outer shell 5 is also equipped with a charging port, an LED light, a jumper connector, a power display module, and a control button that are electrically connected to the control circuit board 2. At the same time, the outer shell 5 is also equipped with an air pipe connector for connecting to the air supply end of the air pump core assembly 3.

[0016] The bracket 1 can be made of common materials such as rubber, plastic, and metal. Soft rubber or plastic is preferred. It is made in one piece by molding, which not only has high production efficiency and low cost, but also makes the overall material lightweight and easy for users to carry and use. The control circuit board 2, the air pump core assembly 3, and the battery 4 are installed on both sides of the bracket 1 by means of screws or buckles. The control circuit board 2, the air pump core assembly 3, and the battery 4 can be randomly placed on one side of the bracket 1 and the other side of the bracket 1.

[0017] The air pump core assembly 3 includes a motor 31, which is a dual-head drive motor. An inflation assembly 32 is located at the output end of the motor 31 near the air outlet. The inflation assembly 32 is the main heat source. A fan 33 is located at the other output end of the motor 31 away from the inflation assembly 32. A flow guiding mechanism 34 is detachably connected between the motor 31 and the fan 33. The flow guiding mechanism 34 and the fan 33 can be connected by glue or by small screws. The flow guiding mechanism 34 is used to evenly guide the airflow generated by the motor 31 and the inflation assembly 32 to both sides of the fan 33, thereby dissipating heat from the fan 33 and the inflation assembly 32. This prevents air from being blown directly onto the surface of the motor 31 perpendicular to the wind direction, thus avoiding turbulence and preventing the air from flowing according to the preset direction and path.

[0018] To facilitate the circulation of air between the inside of the outer casing 5 and the outside, multiple circular, square, or rectangular air inlets 51 are provided at the end of the outer casing 5 near the fan 33. These multiple air inlets 51 are evenly spaced. Similarly, multiple circular, square, or rectangular air outlets 52 are provided at the end of the outer casing 5 near the inflation component 32. These multiple air outlets 52 are evenly spaced. When the fan 33 rotates, the air in the cavities of the air inlets 51 is drawn into the inside of the outer casing 5. By adding a flow guide mechanism 34 to the surface where the motor 31 forms turbulence, the air is driven by the fan 33 to flow rapidly along the flow guide direction and form a large airflow according to a predetermined flow channel. After passing through the motor 31 and the inflation component 32, the air absorbs the heat from the motor 31 and the inflation component 32 and is immediately discharged from the outer casing through the air outlets 52, thereby achieving the purpose of cooling the outer casing.

[0019] Based on the above, referring to Figure 4 As shown, the first embodiment of the flow guiding mechanism 34 is as follows: The airflow guiding mechanism 34 is a frustum structure with one end having a smaller cross-sectional diameter than the other end. The side with the smaller cross-sectional diameter faces the fan 33. The airflow guiding mechanism 34 adopts a frustum structure design, utilizing its gradually changing cross-sectional dimensions to guide the airflow direction: when air enters the cavity from the end with the smaller diameter, it will naturally transition along the inclined angle of the inner wall of the frustum, forming an orderly flow along the axial direction, avoiding direct airflow impact on the motor surface perpendicular to the wind direction. Compared to the problem of airflow easily generating turbulence due to vertical impact when traditional fan blades directly deliver air, the frustum structure uses an air pump with a guide and cooling structure to expand the channel shape, allowing the airflow to gradually diffuse and maintain a preset path during the flow process, reducing energy loss and flow turbulence caused by sudden changes in direction.

[0020] Based on the above, the second embodiment of the flow guiding mechanism 34 is as follows: The airflow guiding mechanism 34 is a frustum structure with one end having a smaller side length than the other end. The side with the smaller side length faces the fan 33. The air pump 34, which incorporates a cooling and airflow guiding structure, also adopts a frustum structure design. Utilizing the gradual change in its multifaceted characteristics, it guides the airflow direction: when air enters the cavity from the end with the smaller side length, it diffuses in layers along the inclined angle of the frustum's side. The airflow direction is constrained by the air pump's guiding channel formed by adjacent facets, preventing direct impact on the motor's surface perpendicular to the wind direction. Compared to the turbulence caused by vertical impact when air is directly delivered by traditional fan blades, the frustum structure, through the contraction and expansion of the multifaceted channel of the cooling and airflow guiding pump, allows the airflow to transition orderly along the tangential direction of the facets during flow. The rigid constraint of the facets reduces lateral diffusion of the airflow, ensuring that the air flows to the target area along a preset path, avoiding flow turbulence caused by abrupt changes in direction.

[0021] Based on the above, referring to Figure 5 As shown, the third embodiment of the flow guiding mechanism 34 is as follows: The airflow guiding mechanism 34 is hemispherical, with the curved surface of the hemisphere facing the fan 33. The air pump 34, which incorporates an airflow guiding and cooling structure, also adopts a hemispherical design. Utilizing the smooth curvature of the sphere, it guides the airflow direction: when air enters the hemispherical cavity, it gradually diffuses along the natural curvature of the inner wall of the sphere, forming an orderly flow along the tangent of the curved surface, preventing the airflow from directly impacting the motor surface perpendicular to the wind direction. Compared to the turbulence caused by vertical impact when air is directly delivered by traditional fan blades, the hemispherical structure, through a smooth, rounded transition, allows for a continuous change in airflow during its flow, from buffering to guiding and diffusion. This reduces airflow separation and turbulence caused by abrupt path changes, ensuring smooth airflow along a preset trajectory.

[0022] Based on the above, referring to Figures 6-7 As shown, the fourth embodiment of the flow guiding mechanism 34 is as follows: The flow guiding mechanism 34 is based on a frustum / pyramid / hemispherical design and has a flow groove on its outer side. At the same time, a cavity is opened inside the flow guiding mechanism 34 on the side facing the motor 31, which makes the side wall of the flow guiding mechanism 34 thinner. When air flows from the outside of the flow guiding mechanism 34, the heat dissipated from the opposite side of the motor 31 and the flow guiding mechanism 34 into the cavity can be absorbed due to the cavity. The flow groove can increase the side wall area of ​​the flow guiding mechanism 34 and increase the heat dissipation effect.

[0023] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An air pump with a cooling structure, comprising a bracket, on which a control circuit board, an air pump core assembly, and a battery are integrated, the bracket, control circuit board, air pump core assembly, and battery forming a whole mounted inside a housing, characterized in that, The air pump core assembly includes a motor, an inflation component is provided at the output end of the motor near the air outlet, a fan is provided at the other output end of the motor away from the inflation component, and a flow guiding mechanism is detachably connected between the motor and the fan. The flow guiding mechanism evenly guides the airflow generated by the fan to both sides of the motor and the inflation component, so that the airflow gradually diffuses and maintains a preset path during the flow process.

2. The air pump with a cooling structure according to claim 1, characterized in that: The outer casing has multiple circular, square, or rectangular air inlets at the end near the fan, and multiple circular, square, or rectangular air outlets at the end near the inflation component.

3. The air pump with a wind-guiding and cooling structure according to claim 1, characterized in that: The airflow guiding mechanism is a frustum structure with one end having a smaller cross-sectional diameter than the other end, and the side with the smaller cross-sectional diameter faces the fan.

4. The air pump with a cooling structure according to claim 1, characterized in that: The airflow guiding mechanism is a frustum structure with one end having a smaller side length than the other end, and the side with the smaller side length faces the fan.

5. The air pump with a cooling structure according to claim 2, 3, or 4, characterized in that: The flow guiding mechanism has a flow groove on its outer side and a cavity inside the flow guiding mechanism on the side facing the motor.

Images