Portable inflator pump with heat dissipation structure

Abstract

The portable inflator pump with the heat dissipation structure comprises a motor, a shell, an inflation mechanism, a first heat dissipation support and a first battery, the shell is provided with a containing cavity, the motor, the inflation mechanism and the first battery are arranged in the containing cavity, the first battery is electrically connected with the motor, and the motor is provided with a first output shaft and a second output shaft. The first output shaft is used for driving the inflation mechanism to pump out airflow, fan blades are arranged on the second output shaft, a vent hole communicated with the containing cavity is formed in the side wall of the shell, the fan blades are arranged right opposite to the vent hole, a limiting base is arranged on the bottom wall of the shell and located on one side of the fan blades, and the first battery is arranged in the limiting base. The first heat dissipation support is arranged on the outer side of the first battery and connected with the limiting base so that the first battery can be fixed in the shell, in this way, the first battery can be installed and fixed in the shell, the adverse effect of the heat dissipation support on heat dissipation of the first battery can be reduced, the heat dissipation capacity of the inflator pump can be improved, and the service life of the inflator pump can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air pumps, in particular to a portable air pump with a heat dissipation structure. Background Art

[0002] With the continuous development of society and the advancement of science and technology, people's material and cultural level has been greatly improved. At present, many young people like outdoor life, driving or outdoor travel. In this process, it is inevitable to inflate tires or other inflatable products (swimming rings, inflatable mattresses, etc.). Portable air pumps have therefore become an indispensable tool for this group of people.

[0003] A portable air pump is an inflatable device that is small in size and easy to carry, and is very popular among people. The portable air pump is equipped with a battery and a motor, and the battery drives the motor and fan blades to rotate, thereby generating gas. In this process, a large amount of gas is often filled into the inflatable device in a short period of time, which causes a large amount of heat to be generated in the portable air pump, especially the battery generates a large amount of heat during the charging and discharging process. At present, the battery often needs to be fixed in the portable air pump, which makes it difficult to discharge the heat of the battery in time. The long-term accumulation of heat inside the portable air pump will reduce the service life of the battery, affect the normal use of the air pump, and thus reduce the working efficiency of the air pump.

[0004] Therefore, the utility model is dedicated to providing a portable air pump with a heat dissipation structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a portable air pump with a heat dissipation structure, which is engaged with a first heat dissipation bracket through a limit piece to fix a first battery in an outer shell, while ensuring the installation strength of the first battery, reducing the adverse effect of the first heat dissipation bracket on the battery, and discharging the heat in the outer shell in time through fan blades, thereby ensuring the stability and reliability of the portable air pump.

[0006] The technical solution provided by the utility model is as follows:

[0007] A portable air pump with a heat dissipation structure comprises a motor, a housing, an air-inflating mechanism, a first heat-dissipating bracket and a first battery, wherein the housing has a receiving cavity, the motor, the air-inflating mechanism and the first battery are arranged in the receiving cavity, and the first battery is electrically connected to the motor;

[0008] The motor has a first output shaft and a second output shaft, the first output shaft is used to drive the inflation mechanism to pump out airflow, the second output shaft is provided with a fan blade, and a vent hole connected to the accommodating cavity is provided on the side wall of the housing, and the fan blade is arranged opposite to the vent hole;

[0009] A limit seat is provided on the bottom wall of the shell and is located on one side of the fan blade. The first battery is provided in the limit seat. The first heat dissipation bracket is provided on the outside of the first battery and is connected to the limit seat to fix the first battery in the shell.

[0010] In some embodiments, the first heat dissipation bracket includes a connecting arm, a first connecting ear and two mounting plates arranged opposite to each other, wherein the two mounting plates are respectively arranged at two ends of the connecting arm in a length direction and are located on the same side of the connecting arm to form an accommodating space for accommodating the first battery;

[0011] The first connecting ear is arranged at an end of the mounting plate away from the connecting arm and is suitable for being connected and fixed to the limiting seat.

[0012] In some embodiments, the connecting arm is respectively provided with a group of protruding components on the two side walls in the length direction of the connecting arm, each group of the protruding components includes at least one protruding arm, the protruding arm and the mounting plate are located on the same side of the connecting arm and are suitable for contacting the side wall of the first battery.

[0013] In some embodiments, the first heat dissipation bracket further includes a second connecting ear and two protective plates, and the extension arm of the extension assembly is provided with two extension arms, and the two extension arms are provided at intervals;

[0014] The protective plate is arranged at one end of the two extending arms of each group of the extending components away from the connecting arm, and the second connecting ear is arranged on the protective plate and is suitable for being connected and fixed with the limiting seat.

[0015] In some embodiments, the limiting seat includes a first limiting plate and two second limiting plates, the second limiting plate includes a first part and a second part, the second part is arranged at one end of the first part, so that the second limiting plate is L-shaped;

[0016] The two second limiting plates are arranged diagonally opposite to each other, the first limiting plate is arranged between the two second limiting plates, and one end of the first battery is arranged in an area surrounded by the first limiting plate and the second limiting plate.

[0017] In some embodiments, a second heat dissipation bracket, a second battery and a mounting seat are further included, and a mounting seat is further provided on the bottom wall of the housing, and the mounting seat is located below the inflation mechanism;

[0018] The second battery is electrically connected to the motor, and the second battery is disposed in the mounting seat. The second heat dissipation bracket is disposed on the outside of the second battery and connected to the mounting seat to fix the second battery in the housing.

[0019] In some embodiments, the first heat dissipation bracket includes a pressing plate, a first extension arm and two second extension arms, the first extension arm is arranged on the side of the pressing plate in the length direction, and the two second extension arms are arranged in parallel on a side of the pressing plate away from the first extension arm;

[0020] The first extension arm and the second extension arm are both provided with mounting ears at one end away from the pressure plate, and the second heat dissipation bracket is connected and fixed to the mounting seat through the mounting ears.

[0021] In some embodiments,

[0022] The first heat dissipation bracket and the second heat dissipation bracket are both made of aluminum alloy;

[0023] and / or

[0024] Graphite sheets are disposed on the first heat dissipation support and the second heat dissipation support.

[0025] In some embodiments, an inflation hole is provided on the side wall of the housing, and the inflation mechanism is connected to the inflation hole;

[0026] The side wall where the inflatable charger is located is also provided with a plurality of first heat dissipation holes, and the first heat dissipation holes are arc-shaped.

[0027] In some embodiments, a second heat dissipation hole and a third heat dissipation hole are further provided on the bottom wall of the shell, and the second heat dissipation hole is provided on a side of the limiting seat away from the fan blade.

[0028] The portable air pump with a heat dissipation structure provided by the utility model has the following beneficial effects:

[0029] 1. The utility model provides a portable air pump with a heat dissipation structure, which arranges a limit seat on the bottom wall of the shell, and arranges a first battery in the limit seat. The first heat dissipation bracket is arranged on the outside of the first battery and can be connected and fixed with the limit seat. On the one hand, the first battery can be installed and fixed, reducing the possibility of the first battery shaking and falling off the limit seat, thereby ensuring the safety of the air pump. On the other hand, the first heat dissipation bracket is arranged on the outside of the first battery, which can ensure the heat dissipation performance of the first battery when in use, and reduce the adverse effect of the first heat dissipation bracket on the heat dissipation of the first battery. Moreover, the first motor can drive the inflation mechanism and the fan blades at the same time, thereby reducing the volume of the air pump and reducing the production cost. The fan blades are arranged on one side of the first battery, which can dissipate heat for the first battery and fully mobilize the gas flow inside the air pump and discharge it through the vent.

[0030] 2. The utility model provides a portable air pump with a heat dissipation structure, wherein a first heat dissipation bracket includes a connecting arm, a mounting plate and an extending arm, wherein the mounting plate is arranged at both ends of the connecting arm in the length direction, and the extending arm is arranged on the side wall in the length direction of the connecting arm, so that the first heat dissipation bracket is a hollow design, which reduces the weight of the first heat dissipation bracket and facilitates heat dissipation of the first battery. At the same time, the first heat dissipation bracket is made of aluminum alloy, and a graphite sheet is arranged on the first heat dissipation bracket, which can further enhance the heat dissipation capacity of the first battery.

[0031] 3. The utility model provides a portable air pump with a heat dissipation structure, and a second battery is also arranged in the shell. The first battery and the second battery are arranged separately, which can disperse the heat generated when the battery is working, facilitate the timely discharge of heat, and enhance the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present solution.

[0033] Figure 1 This is a structural diagram of a portable air pump with a heat dissipation structure provided by the utility model;

[0034] Figure 2 This is a lower view of a portable air pump with a heat dissipation structure provided by the utility model;

[0035] Figure 3 This is a partial structural diagram of a portable air pump with a heat dissipation structure provided by the utility model;

[0036] Figure 4 It is a partial structural diagram of a housing of a portable air pump with a heat dissipation structure provided by the utility model;

[0037] Figure 5 It is a structural diagram of an embodiment of the first heat dissipation bracket provided by the utility model;

[0038] Figure 6 It is a structural diagram of an embodiment of the second heat dissipation bracket provided by the utility model.

[0039] Description of Figure Numbers:

[0040] Housing 100, first heat dissipation bracket 110, connecting arm 111, mounting plate 112, first connecting ear 113, extending arm 114, protective plate 115, second connecting ear 116, first heat dissipation hole 117, second heat dissipation hole 118, third heat dissipation hole 119;

[0041] The first battery 120, the limiting seat 130, the first limiting plate 131, the second limiting plate 132, the second battery 140, the second heat dissipation bracket 150, the pressing plate 151, the first extension arm 152, the second extension arm 153, the mounting ear 154, and the mounting seat 160;

[0042] Motor 200 , fan blades 210 , and inflation mechanism 300 . DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0044] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0045] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0047] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

[0048] In one embodiment, referring to the accompanying drawings, Figures 1 to 6 A portable air pump with a heat dissipation structure is described. The first battery 120 is fixed in the shell 100 through the cooperation between the limit seat 130 and the first heat dissipation bracket 110, thereby ensuring the heat dissipation performance of the first battery 120. At the same time, the motor 200 drives the fan blades 210 to rotate, which can dissipate the heat of the first battery 120 and discharge the hot air in the shell 100 in time, thereby ensuring the stability of the operation of the portable air pump.

[0049] Specifically, a portable air pump with a heat dissipation structure includes a motor 200, a housing 100, an air-inflating mechanism 300, a first heat-dissipating bracket 110 and a first battery 120, wherein the housing 100 has a receiving cavity, the air-inflating mechanism 300, the first heat-dissipating bracket 110 and the first battery 120 are arranged in the receiving space of the housing 100, and the first battery 120 is electrically connected to the motor 200 to drive the motor 200 to rotate. Accordingly, the motor 200 has a first output shaft and a second output shaft, and the first output shaft is transmission-connected to the air-inflating mechanism 300 to drive the air-inflating mechanism 300 to pump out airflow, thereby inflating the inflatable product. The second output shaft is provided with a fan blade 210, and correspondingly, a vent hole (not shown in the figure) is also provided on the side wall of the outer shell 100. The fan blade 210 is arranged opposite to the vent hole. The fan blade 210 rotates to reduce the air pressure at the vent hole, so that the gas inside the outer shell 100 flows to the vent hole, thereby fully mobilizing the gas flow inside the outer shell 100, discharging the hot air from the outer shell 100, and reducing the temperature of the portable air pump.

[0050] Correspondingly, a limit seat 130 is also provided on the bottom wall of the housing 100. The limit seat 130 is located on one side of the fan blade 210 and is suitable for cooperating with the first battery 120. In this way, the fan blade 210 is arranged next to the first battery 120. When the first battery 120 is charged or discharged, the first battery 120 can be cooled in time to prevent a large amount of heat from accumulating near the first battery 120 and causing adverse effects on the operation of the first battery 120. The first battery 120 is arranged in the limit seat 130, and the first heat dissipation bracket 110 is sleeved on the outside of the first battery 120, and can be connected and fixed to the limit seat 130, thereby fixing the first battery 120 on the limit seat 130.

[0051] In the prior art, some batteries are arranged in a battery compartment, and the battery compartment cover is on the outside of the battery. Although the battery compartment can fix the battery in the air pump, the air permeability of the battery compartment is poor, making it difficult to discharge the heat generated by the battery in time, which has an adverse effect on the normal operation of the battery and affects the inflation efficiency. Correspondingly, some batteries are connected to the air pump through a simple bracket. Although the simple bracket has a low effect on the heat dissipation of the battery, it has a poor fixation on the battery. In this embodiment, the first heat dissipation bracket 110 and the limit seat 130 can firmly fix the first battery 120 in the housing 100, and can also ensure the heat dissipation of the first battery 120, thereby ensuring the stability and reliability of the inflation of the portable air pump. In addition, the motor 200 is used to drive the inflation mechanism 300 and the fan blade 210 to work, and only one motor 200 is required, which saves the internal space of the air pump and facilitates the fan blade 210 to mobilize the internal air flow of the air pump to discharge.

[0052] In one embodiment, a specific structure of a first heat dissipation bracket is provided in this embodiment. Figure 3 , Figure 5 The first heat dissipation bracket 110 includes a connecting arm 111, a first connecting ear 113 and a mounting plate 112, wherein two mounting plates 112 are provided, and the two mounting plates 112 are arranged opposite to each other and are respectively arranged at the two ends of the length direction of the connecting arm 111 and are located on the same side of the connecting arm 111. Accordingly, the connecting arm 111 and the two mounting plates 112 together form a receiving space to accommodate the first battery 120 in the receiving space of the first heat dissipation bracket 110.

[0053] Correspondingly, the first connecting ear 113 is arranged at one end of the mounting plate 112 away from the connecting arm 111, and is used to connect and fix the limiting seat 130. It can be understood that one end of the first battery 120 is arranged in the limiting seat 130, and the limiting seat 130 and the first battery 120 are engaged with each other to preliminarily fix the first battery 120 in the housing 100, and then the first heat dissipation bracket 110 is sleeved on the outside of the first battery 120, and the first connecting ear 113 is engaged with the limiting seat 130 to further fix the first battery 120 in the housing 100. The first heat dissipation bracket 110 is only composed of the connecting arm 111, the mounting plate 112 and the first connecting ear 113, and the contact area with the first battery 120 is small, which can fully ensure the heat dissipation of the first battery 120.

[0054] In addition, there are many ways to connect and fix the first connecting ear 113 and the limiting seat 130, such as fixing by bolts or snap connections, etc., which are not described here one by one and are all within the protection scope of the present utility model.

[0055] Furthermore, the first heat dissipation bracket 110 also includes two groups of protruding components, which are respectively arranged on the two side walls in the length direction of the connecting arm 111, wherein each group of the protruding components includes at least one protruding arm 114, and the protruding arm 114 and the mounting plate 112 are located on the same side of the connecting arm 111, and are suitable for contacting the first battery 120.

[0056] It can be understood that the connecting arm 111, the mounting plate 112 and the extending arm 114 together form a accommodating space for accommodating the first battery 120. When the first heat dissipation bracket 110 is mounted on the outer side of the first battery 120, the two side walls of the first battery 120 are limited by the two mounting plates 112, while the other two side walls are also limited by the extending arm 114, thereby reducing the possibility of the first battery 120 falling off the first heat dissipation bracket 110.

[0057] Of course, the number of the extending arms 114 of each extending assembly can be set to any number. When the number of the extending arms 114 is one, the extending arm 114 is located in the middle of the connecting arm 111. Of course, while ensuring the limiting function of the first heat dissipation bracket 110, the area of ​​the extending arm 114 can be minimized to ensure the heat dissipation of the first battery 120.

[0058] In one embodiment, referring to the accompanying drawings, Figure 5, based on the previous embodiment, this embodiment further describes the first heat dissipation bracket 110. The first heat dissipation bracket 110 also includes a second connecting ear 116 and two protective plates 115. In this embodiment, the number of extending arms 114 of each group of extending components is two, and the two extending arms 114 are spaced apart from each other. Accordingly, the protective plate 115 is disposed at one end of the two extending arms 114 of the extending components away from the connecting arm 111, and the second connecting ear 116 is disposed on the protective plate 115, and the second connecting ear 116 is adapted to be connected and fixed to the limiting seat 130, so that the first battery 120 is fixed in the housing 100 through the first heat dissipation bracket 110 and the limiting seat 130.

[0059] It can be understood that, in this embodiment, the two extending arms 114 are spaced apart so that a gap is provided between the two extending arms 114, and the protective plate 115 is provided at one end of the two extending arms 114 away from the connecting arm 111 and is located on the outside of the first battery 120. While ensuring the heat dissipation of the first battery 120, the installation strength of the first battery 120 is further improved to ensure the safety of the first battery 120.

[0060] Of course, in actual production applications, ventilation holes may also be provided on the first heat dissipation bracket 110 to further improve the heat dissipation capability.

[0061] In one embodiment, referring to the accompanying drawings, Figure 1 , this embodiment provides a specific form of a limit seat 130. Specifically, the limit seat 130 can be set as a middle frame that cooperates with the first battery 120, the middle frame and the shell 100 are integrally formed, and one end of the first battery 120 is clamped in the middle frame. Correspondingly, a threaded hole is set on the middle frame, and a bolt is passed through the first connecting ear 113 or the second connecting ear 116 to fix the first battery 120 in the shell 100.

[0062] Preferably, the limiting seat 130 includes a first limiting plate 131 and a second limiting plate 132, the second limiting plate 132 is provided with two, the second limiting plate 132 includes a first part and a second part, the second part is provided at one end of the first part, so that the second limiting plate 132 is L-shaped. Accordingly, the two second limiting plates 132 are provided diagonally, that is, the two second limiting plates 132 are located at two diagonally opposite corners of the rectangle, and the first limiting plate 131 is provided between the two second limiting plates 132. It can be understood that one end of the first battery 120 is clamped between the first limiting plate 131 and the two second limiting plates 132. Compared with the limiting seat 130 provided with a middle frame, the limiting seat 130 of this embodiment reduces the contact area between the limiting seat 130 and the first battery 120 while ensuring the local connection strength of the first battery 120, thereby ensuring the heat dissipation capacity of the first battery 120.

[0063] Of course, the first limiting plate 131 and the second limiting plate 132 are provided with mounting posts, threaded holes are provided on the mounting posts, and bolts are passed through the first connecting ears 113 and the second connecting ears 116 to connect and fix with the mounting posts. In actual production applications, there are many forms of the limiting seat 130 to achieve the purpose of ensuring the connection strength of the first battery 120 and ensuring the heat dissipation of the first battery 120, which are not described one by one here, and are all within the protection scope of this embodiment.

[0064] In one embodiment, referring to the accompanying drawings, Figure 3 This embodiment further describes the explosion-proof vacuum pump with a heat dissipation structure. Specifically, it also includes a second battery 140 and a second heat dissipation bracket 150 . A mounting seat 160 is also provided on the bottom wall of the housing 100 . The mounting seat 160 is located below the inflation mechanism 300 .

[0065] The second battery 140 is electrically connected to the motor 200, and the second battery 140 is arranged in the mounting seat 160. When the power of the first battery 120 is used up, the second battery 140 is used to drive the motor 200 to rotate. Accordingly, the first battery 120 is arranged on one side of the motor 200, and the second battery 140 is arranged below the inflation mechanism 300, so that the first battery 120 and the second battery 140 are arranged separately from each other, which can disperse the heat generated when the battery is working, prevent a large amount of heat from accumulating in one place, and facilitate the discharge of heat from the outer shell 100.

[0066] Furthermore, the second heat dissipation bracket 150 includes a pressure plate 151, a first extension arm 152 and a second extension arm 153, and the second extension arm 153 is set in two, wherein the first extension arm 152 is set on the side wall of the pressure plate 151 in the length direction, and the second extension arm 153 is set on the side of the pressure plate 151 away from the first extension arm 152, and the two second extension arms 153 are arranged in parallel, and the two second extension arms 153 are not arranged in contact with each other.

[0067] A mounting ear 154 is provided at one end of the first extension arm 152 away from the pressure plate 151. Correspondingly, a mounting ear 154 is also provided at one end of the second extension arm 153 away from the pressure plate 151. The second heat dissipation bracket 150 is connected and fixed to the mounting seat 160 through the mounting ear 154, thereby fixing the second battery 140 on the mounting seat 160.

[0068] The mounting base 160 includes a plurality of mounting plates, which are respectively disposed on opposite sides of the second battery 140 to fix the second battery 140 on the bottom wall of the housing. The mounting ears 154 and the mounting plates are fixed by bolt connection.

[0069] In one embodiment, the first heat dissipation bracket 110 and the second heat dissipation bracket 150 are made of aluminum alloy, which has the characteristics of light weight and good heat dissipation, and can timely discharge heat from the first battery 120 and the second battery 140. Of course, in addition to the material being set to aluminum alloy, a graphite sheet can also be set on the first heat dissipation bracket 110 and the second heat dissipation bracket 150 to absorb the heat of the first battery 120 and the second battery 140 and discharge it through the fan blades 210 and the vents.

[0070] In one embodiment, this embodiment further describes the housing 100. Specifically, a gas outlet is further provided on the side wall of the housing 100, and the gas-filling mechanism 300 is connected to the gas outlet, and the gas pumped out by the gas-filling mechanism 300 is discharged through the gas outlet.

[0071] Further, see the accompanying drawings of the specification Figure 1 A plurality of first heat dissipation holes 117 are also provided on the side wall of the housing 100. The first heat dissipation holes 117 are located on the side wall where the air filling holes are located, and the first heat dissipation holes 117 are arc-shaped.

[0072] Preferably, the plurality of first heat dissipation holes 117 are divided into two groups and symmetrically arranged on both sides of the air-filling hole. For the convenience of description, the side wall where the air-filling hole is located is set as the first side wall, and a plurality of first dustproof plates are arranged at intervals in the first heat dissipation hole 117 so that there is a gap between each first dustproof plate.

[0073] Several second dustproof plates are also arranged in the housing 100, and the second dustproof plates include a first straight plate and a second straight plate arranged at one end of the first straight plate, so that the second dustproof plates are L-shaped. The first straight plate of each second dustproof plate is connected to the first side wall, and the second straight plate is arranged opposite to the gap. In this way, the arrangement of the first dustproof plate and the second dustproof plate can not only ensure heat dissipation, but also reduce the possibility of foreign matter entering the housing 100, thereby ensuring the normal operation of the air pump.

[0074] Correspondingly, a second heat dissipation hole 118 and a third heat dissipation hole 119 are also provided on the bottom wall of the outer shell 100. The second heat dissipation hole 118 is arranged on the side of the first battery 120 away from the fan blades 210. Preferably, the third heat dissipation hole 119 is arranged below the second battery 140, and the third heat dissipation hole 119 is fan-shaped, and a first dustproof ring, a second dustproof ring and a plurality of connecting plates uniformly arranged along the circumference of the third heat dissipation hole 119 are arranged in the third heat dissipation hole 119. The first dustproof ring and the second dustproof ring are arranged on the connecting plate at intervals in sequence, and adjacent first dustproof rings and second dustproof rings are arranged at intervals up and down. While ensuring heat dissipation, it can also reduce the possibility of foreign matter entering the outer shell 100.

[0075] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A portable air pump with a heat dissipation structure, characterized in that: It includes a motor, a housing, an inflation mechanism, a first heat dissipation bracket and a first battery, wherein the housing has a receiving cavity, the motor, the inflation mechanism and the first battery are arranged in the receiving cavity, and the first battery is electrically connected to the motor; The motor has a first output shaft and a second output shaft, the first output shaft is used to drive the inflation mechanism to pump out airflow, the second output shaft is provided with a fan blade, and a vent hole connected to the accommodating cavity is provided on the side wall of the housing, and the fan blade is arranged opposite to the vent hole; A limit seat is provided on the bottom wall of the shell and is located on one side of the fan blade. The first battery is provided in the limit seat. The first heat dissipation bracket is provided on the outside of the first battery and is connected to the limit seat to fix the first battery in the shell.

2. A portable air pump with a heat dissipation structure according to claim 1, characterized in that: The first heat dissipation bracket includes a connecting arm, a first connecting ear and two mounting plates arranged opposite to each other, wherein the two mounting plates are respectively arranged at two ends of the connecting arm in a length direction and are located on the same side of the connecting arm to form an accommodating space for accommodating the first battery; The first connecting ear is arranged at an end of the mounting plate away from the connecting arm and is suitable for being connected and fixed to the limiting seat.

3. A portable air pump with a heat dissipation structure according to claim 2, characterized in that: The connecting arm is provided with a group of protruding components on the two side walls in the length direction of the connecting arm, respectively. Each group of the protruding components includes at least one protruding arm. The protruding arm and the mounting plate are located on the same side of the connecting arm and are suitable for contacting the side wall of the first battery.

4. A portable air pump with a heat dissipation structure according to claim 3, characterized in that: The first heat dissipation bracket further includes a second connecting ear and two protective plates, and the extending arms of the extending assembly are provided in two, and the two extending arms are provided at intervals; The protective plate is arranged at one end of the two extending arms of each group of the extending components away from the connecting arm, and the second connecting ear is arranged on the protective plate and is suitable for being connected and fixed with the limiting seat.

5. A portable air pump with a heat dissipation structure according to claim 4, characterized in that: The limiting seat comprises a first limiting plate and two second limiting plates, the second limiting plate comprises a first part and a second part, the second part is arranged at one end of the first part, so that the second limiting plate is L-shaped; The two second limiting plates are arranged diagonally opposite to each other, the first limiting plate is arranged between the two second limiting plates, and one end of the first battery is arranged in an area surrounded by the first limiting plate and the second limiting plate.

6. A portable air pump with a heat dissipation structure according to any one of claims 1 to 5, characterized in that: It also includes a second heat dissipation bracket, a second battery and a mounting seat, and a mounting seat is also provided on the bottom wall of the shell, and the mounting seat is located below the inflation mechanism; The second battery is electrically connected to the motor, and the second battery is disposed in the mounting seat. The second heat dissipation bracket is disposed on the outside of the second battery and connected to the mounting seat to fix the second battery in the housing.

7. A portable air pump with a heat dissipation structure according to claim 6, characterized in that: The second heat dissipation bracket includes a pressing plate, a first extension arm and two second extension arms, wherein the first extension arm is arranged on a side of the pressing plate in a length direction, and the two second extension arms are arranged in parallel on a side of the pressing plate away from the first extension arm; The first extension arm and the second extension arm are both provided with mounting ears at one end away from the pressure plate, and the second heat dissipation bracket is connected and fixed to the mounting seat through the mounting ears.

8. The portable air pump with a heat dissipation structure according to claim 7, characterized in that: The first heat dissipation bracket and the second heat dissipation bracket are both made of aluminum alloy; and / or Graphite sheets are disposed on the first heat dissipation support and the second heat dissipation support.

9. The portable air pump with a heat dissipation structure according to claim 8, characterized in that: An inflation hole is provided on the side wall of the shell, and the inflation mechanism is connected to the inflation hole; The side wall where the inflatable charger is located is also provided with a plurality of first heat dissipation holes, and the first heat dissipation holes are arc-shaped.

10. The portable air pump with a heat dissipation structure according to claim 9, characterized in that: A second heat dissipation hole and a third heat dissipation hole are also provided on the bottom wall of the shell, and the second heat dissipation hole is provided on a side of the limiting seat away from the fan blade.

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