Double-end air pump for assisting heat dissipation of motor

Abstract

The double-end air pump comprises a driving part internally provided with a first air path, the two driving ends of the driving part are connected with a first branch pump body and a second branch pump body correspondingly, the first branch pump body is provided with a first air inlet and a first air outlet, and the first branch pump body is internally provided with a first booster cavity; a second air inlet and a second air outlet are formed in the second branch pump body, a second booster cavity is formed in the second branch pump body, and the second air inlet communicates with the first air outlet through a first air path; the two pump bodies are simultaneously driven by one driving part to form the double-end air pump, compared with an air pump with a single pump body, the double-end air pump can improve the energy utilization rate and has better applicability, a first air outlet and a second air inlet are communicated through a first air path in the driving part, the first branch pump body and the second branch pump body are connected in series, and therefore the energy utilization rate of the double-end air pump is improved. The pressurized gas output by the first branch pump body can be secondarily pressurized, meanwhile, the gas can take away heat in the driving part through the first gas path, and heat dissipation of the driving part is facilitated.

Description

Technical Field

[0001] This application relates to the field of air pump technology, and in particular to a dual-head air pump for auxiliary motor cooling. Background Technology

[0002] An air pump is a device that extracts or adds air to a space. Traditional air pumps consist of a motor and a single pump body. Air pumps with a single pump body are limited in use and have the disadvantage of low flexibility. At the same time, the air pump motor generates a lot of heat during operation, and the motor can only passively dissipate heat through the heat dissipation channels opened in the casing, which is ineffective and will affect the life of the air pump in the long run. If an additional heat dissipation device is set for the motor, it will increase the operating cost. Utility Model Content

[0003] The purpose of this application is to address the above problems by providing a dual-head air pump for auxiliary motor cooling, comprising:

[0004] A driving element having two driving ends and a first air passage inside;

[0005] A first pump body, the first pump body is provided with at least one first air inlet and at least one first air outlet, and has at least one first pressurization chamber inside it;

[0006] The second pump body is provided with at least one second air inlet and at least one second air outlet, and has at least one second pressurization chamber inside. The second air inlet is connected to the first air outlet through the first air passage.

[0007] The first sub-pump body and the second sub-pump body are respectively connected to the two drive ends. The drive unit is used to drive the first sub-pump body and the second sub-pump body at the same time, so that the gas enters the first pressurization chamber from the first air inlet, is pressurized, enters the first air passage from the first air outlet, enters the second pressurization chamber from the second air inlet, is pressurized again, and is output from the second air outlet.

[0008] According to the technical solutions provided in certain embodiments of this application, the volume of the first pressurizing chamber is larger than the volume of the second pressurizing chamber.

[0009] According to the technical solutions provided in certain embodiments of this application, the driving member is provided with at least one first through hole and at least one second through hole, the first through hole is connected to the first air outlet, the second through hole is connected to the second air inlet, and the first air passage is formed between the first through hole and the second through hole.

[0010] According to the technical solutions provided in certain embodiments of this application, the drive component further has a second air passage, which connects the external environment with the first air passage.

[0011] According to the technical solutions provided in certain embodiments of this application, the driving member is further provided with at least one third through hole, and the third through hole and the second through hole form the second air passage.

[0012] According to the technical solutions provided in certain embodiments of this application, the first sub-pump body includes a first base, the first base is disposed on the side of the driving member near the first through hole, a first cover is fixed on the side of the first base away from the driving member, a first pump body mechanism is provided between the first cover and the first base, the first pump body mechanism has a first pressurization chamber inside, the first base has a first air outlet, and the first cover has a first air inlet; the second sub-pump body includes a second base, the second base is disposed on the side of the driving member near the second through hole, a second cover is fixed on the side of the second base away from the driving member, a second pump body mechanism is provided between the second cover and the second base, the second pump body mechanism has a second pressurization chamber inside, the second base has a second air inlet, and the second cover has a first air outlet.

[0013] According to the technical solutions provided in certain embodiments of this application, both the first pump body mechanism and the second pump body mechanism include torsion shafts. The two torsion shafts are respectively fixed on the two drive ends. The torsion shafts are rotatably connected to a swing plate. The swing plate is connected to a pressurization component. The side of the pressurization component away from the swing plate is also provided with a gas distribution component. The gas distribution component and the pressurization component form the first pressurization chamber or the second pressurization chamber. The gas distribution component is used to connect the first air inlet, the first pressurization chamber and the first air outlet in a sequential unidirectional manner, and is also used to connect the second air inlet, the second pressurization chamber and the second air outlet in a sequential unidirectional manner.

[0014] According to the technical solutions provided in certain embodiments of this application, the gas distribution assembly is provided with a first one-way valve and a second one-way valve. The gas distribution assembly also has a first state and a second state. When it is in the first state, the first one-way valve is open, the second one-way valve is closed, the first air inlet is connected to the first pressurization chamber, and the second air inlet is connected to the second pressurization chamber. When it is in the second state, the first one-way valve is closed, the second one-way valve is open, the first pressurization chamber is connected to the first air outlet, and the second pressurization chamber is connected to the second air outlet.

[0015] According to the technical solutions provided in certain embodiments of this application, the two torsion shafts are arranged in the same direction or in opposite directions on both sides of the drive member.

[0016] According to the technical solutions provided in certain embodiments of this application, the first cover and the second cover are respectively provided with silencer air passages.

[0017] Compared with the prior art, the beneficial effects of this application are as follows: This application provides a dual-head air pump for auxiliary motor cooling, including a driving component. The driving component has two driving ends and an internal first air passage. The two driving ends are respectively connected to a first sub-pump body and a second sub-pump body. The first sub-pump body has at least one first air inlet and at least one first air outlet and an internal first pressurization chamber. The second sub-pump body has at least one second air inlet and at least one second air outlet and an internal second pressurization chamber. The second air inlet is connected to the first air outlet through the first air passage. The driving component is used to simultaneously drive the first sub-pump body and the second sub-pump body, so that gas enters the first pressurization chamber from the first air inlet and is pressurized. The gas then enters the first air passage through the first air outlet, and then enters the second pressurization chamber through the second air inlet for secondary pressurization before being output from the second air outlet. A dual-head air pump is formed by simultaneously driving the first and second sub-pump bodies through a drive unit with dual drive ends. Compared with traditional air pumps with only a single pump body, the dual-head air pump can be applied to more scenarios, making it more versatile. The first air outlet and the second air inlet are connected through the first air passage inside the drive unit, and the first and second sub-pump bodies are connected in series. This allows the second sub-pump body to repressurize the pressurized gas output by the first sub-pump body. At the same time, when the gas passes through the first air passage, it can also carry away the heat inside the drive unit, which is beneficial for the heat dissipation of the drive unit.

[0018] It should be understood that the descriptions of technical features, technical solutions, beneficial effects, or similar language in this application do not imply that all features and advantages can be achieved in any single embodiment. Rather, it is understood that the description of a feature or beneficial effect means that a specific technical feature, technical solution, or beneficial effect is included in at least one embodiment. Therefore, the descriptions of technical features, technical solutions, or beneficial effects in this specification do not necessarily refer to the same embodiment. Furthermore, the technical features, technical solutions, and beneficial effects described in this embodiment can be combined in any suitable manner. Those skilled in the art will understand that embodiments can be implemented without one or more specific technical features, technical solutions, or beneficial effects of a particular embodiment. In other embodiments, additional technical features and beneficial effects may be identified in specific embodiments that do not embody all embodiments. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A schematic diagram of a dual-head air pump for auxiliary motor cooling provided in this application embodiment;

[0021] Figure 2 An exploded view of a dual-head air pump for auxiliary motor cooling provided in an embodiment of this application;

[0022] Figure 3 A schematic diagram of the structure of a dual-head air pump for auxiliary motor cooling provided in this application embodiment, when the drive component has a first air path;

[0023] Figure 4 This is a schematic diagram of the structure of a dual-head air pump for auxiliary motor cooling provided in an embodiment of this application, when the pump has a first air path and a second air path.

[0024] The text labels in the image represent:

[0025] 1. First pump body; 2. Second pump body; 3. Drive unit; 11. First base; 12. First cover; 21. Second base; 22. Second cover; 31. Torsion shaft; 32. Swivel plate; 33. Pressure boosting assembly; 34. Fixed base; 35. Air distribution cushion; 36. Upper air distribution layer; 37. Lower air distribution layer; 38. Umbrella nail; 39. Clip; 40. Outer shell; 41. Rotor; 42. Drive shaft; 101. First air inlet; 102. First air outlet; 103. First pressure boosting chamber; 201. Second air inlet; 202. Second air outlet; 203. Second pressure boosting chamber; 301. First through hole; 302. Second through hole; 303. Third through hole; 331. Leather cup. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The descriptions in this section are merely illustrative and explanatory, and should not be construed as limiting the scope of protection of this application. Specifically, the described embodiments are only some embodiments of this application, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort should fall within the scope of protection of this invention.

[0027] It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such process, method, product, or apparatus.

[0028] As mentioned in the background section, in view of the problems in the prior art, this embodiment provides a dual-head air pump for auxiliary motor cooling, comprising:

[0029] The driving component 3 has two driving ends and a first air passage inside it;

[0030] The first pump body 1 is provided with at least one first air inlet 101 and at least one first air outlet 102, and has at least one first pressurization chamber 103 inside.

[0031] The second sub-pump body 2 is provided with at least one second air inlet 201 and at least one second air outlet 202, and has at least one second pressurization chamber 203 inside. The second air inlet 201 is connected to the first air outlet 102 through the first air passage.

[0032] The first sub-pump body 1 and the second sub-pump body 2 are respectively connected to the two drive ends. The drive unit 3 is used to drive the first sub-pump body 1 and the second sub-pump body 2 at the same time, so that the gas enters the first pressurization chamber 103 from the first air inlet 101, is pressurized, enters the first air passage from the first air outlet 102, and then enters the second pressurization chamber 203 from the second air inlet 201 for secondary pressurization before being output from the second air outlet 202.

[0033] like Figure 1As shown, the drive unit 3 includes a housing 40, inside which is a rotor 41. A drive shaft 42 passes through the rotor 41, and both ends of the drive shaft 42 pass through the housing 40 to form the drive ends. A first air passage is located inside the housing 40. The drive unit 3 provides torque and speed to the first sub-pump body 1 and the second sub-pump body 2. The first sub-pump body 1 and the second sub-pump body 2 are respectively located on both sides of the drive unit 3. The first sub-pump body 1 has at least one first air inlet 101 and at least one first air outlet 102, and the second sub-pump body 2 has at least one second air inlet 201 and at least one second air outlet 202. The first booster chamber 10... 3. Gas can be drawn in through the first inlet 101 by contraction or expansion, pressurized, and then output through the first outlet 102. The second booster chamber 203 can be drawn in through the second inlet 201 by contraction or expansion, pressurized, and then output through the second outlet 202. When the drive unit 3 is started, the first sub-pump body 1 and the second sub-pump body 2 operate simultaneously. Gas enters the first sub-pump body 1 through the first inlet 101, and after pressurization, first-stage boosted gas is output through the first outlet 102. The first-stage boosted gas enters the second sub-pump body 2 through the second inlet 201 via the first gas route, and after secondary pressurization, second-stage boosted gas is output through the second outlet 202.

[0034] A dual-head air pump is formed by simultaneously driving the first sub-pump body 1 and the second sub-pump body 2 through the driving component 3 with dual driving ends. Compared with the traditional air pump with only a single pump body, the dual-head air pump can be applied to more scenarios, making it more applicable. The first air outlet 102 and the second air inlet 201 are connected through the first air passage inside the driving component 3, and the first sub-pump body 1 and the second sub-pump body 2 are connected in series. This allows the second sub-pump body 2 to pressurize the boosted gas output by the first sub-pump body 1 a second time. At the same time, when the gas passes through the first air passage, it can also carry away the heat inside the driving component 3, which is beneficial for the heat dissipation of the driving component 3.

[0035] In a preferred embodiment, the volume of the first pressurization chamber 103 is larger than the volume of the second pressurization chamber 203.

[0036] like Figure 3 and Figure 4 As shown, by setting a first pressurizing chamber 103 with a volume larger than the second pressurizing chamber 203, the pressure generated by the contraction of the first pressurizing chamber 103 can be greater than the pressure generated by the contraction of the second pressurizing chamber 203. The first-stage pressurized gas can enter the second pressurizing chamber 203 through the second air inlet 201 via the first air route, thereby realizing the air route series connection between the first pump body 1 and the second pump body 2. In this embodiment, the pressure of the second-stage pressurized gas is 1-2 times the pressure of the first-stage pressurized gas.

[0037] In a preferred embodiment, the drive member 3 is provided with at least one first through hole 301 and at least one second through hole 302. The first through hole 301 is connected to the first air outlet 102, and the second through hole 302 is connected to the second air inlet 201. A first air passage is formed between the first through hole 301 and the second through hole 302.

[0038] like Figure 3 As shown, the outer casing 40 has a first through hole 301 on the side near the first sub-pump body 1 and a second through hole 302 on the side near the second sub-pump body 2. Both the first through hole 301 and the second through hole 302 can connect the interior of the outer casing 40 with the external environment. The first-stage pressurized gas output from the first sub-pump body 1 can enter the interior of the outer casing 40 through the first through hole 301 and then enter the second sub-pump body 2 through the second through hole 302. At this time, a first gas path for the first-stage pressurized gas to flow is formed between the first through hole 301 and the second through hole 302.

[0039] In a preferred embodiment, the drive unit 3 also has a second air passage inside, which connects the external environment and the first air passage.

[0040] like Figure 4 As shown, when the primary pressurized gas passes through the first air passage, external gas is drawn into the housing 40 and enters the second pump body 2 together with the primary pressurized gas through the second air passage. By setting the second air passage to introduce external gas, the heat dissipation effect of the drive component 3 is further improved.

[0041] In a preferred embodiment, the driving member 3 is further provided with at least one third through hole 303, and a second air passage is formed between the third through hole 303 and the second through hole 302.

[0042] like Figure 4 As shown, the outer casing 40 is also provided with a third through hole 303. The third through hole 303 can connect the inside of the outer casing 40 with the external environment. When the primary pressurized gas enters the outer casing 40 through the first through hole 301 and exits through the second through hole 302, the external gas enters the outer casing 40 through the third through hole 303 and exits through the second through hole 302 together with the primary pressurized gas. At this time, a first gas passage for external gas to flow is formed between the third through hole 303 and the second through hole 302.

[0043] In a preferred embodiment, the first sub-pump body 1 includes a first base 11, which is located on the side of the drive member 3 near the first through hole 301. A first cover 12 is fixed on the side of the first base 11 away from the drive member 3. A first pump body mechanism is provided between the first cover 12 and the first base 11. The first pump body mechanism has a first pressurization chamber 103 inside. A first air outlet 102 is provided on the first base 11, and a first air inlet 101 is provided on the first cover 12. The second sub-pump body 2 includes a second base 21, which is located on the side of the drive member 3 near the second through hole 302. A second cover 22 is fixed on the side of the second base 21 away from the drive member 3. A second pump body mechanism is provided between the second cover 22 and the second base 21. The second pump body mechanism has a second pressurization chamber 203 inside. A second air inlet 201 is provided on the second base 21, and a first air outlet 102 is provided on the second cover 22.

[0044] like Figure 2 and Figure 3 As shown, the first base 11, the first cover 12, the second base 21, and the second cover 22 are all shells with open ends. The first base 11 and the second base 21 serve as support parts for the pump body and are fixed to both sides of the drive member 3. The two ends of the drive shaft 42 pass through the first base 11 and the second base 21 respectively and are connected to the first pump body mechanism and the second pump body mechanism for transmission. A first air inlet 101 is connected to the first booster chamber 103 by a first air inlet path, and a first air outlet 102 is connected to the first booster chamber 103 by a first air outlet path. A second air inlet 201 is connected to the second booster chamber 203 by a second air inlet path, and a second booster chamber 203 is connected to the second... A second air outlet is connected between the air outlets 202. The first air outlet 102 is connected to the first through hole 301, and the second air inlet 201 is connected to the second through hole 302. The first pump body mechanism and the second pump body mechanism can be driven by the driving component 3 to make the first pressurizing chamber 103 and the second pressurizing chamber 203 repeatedly contract and expand, so that the external gas enters the first pressurizing chamber 103 through the first air inlet 101 and the first air inlet. After being pressurized, it enters the outer shell 40 through the first air outlet 102 through the first air outlet, and then enters the second pressurizing chamber 203 through the second air inlet 201 and the second air inlet. After being pressurized a second time, it is output through the first air outlet 102 through the first air outlet.

[0045] In a preferred embodiment, both the first pump body mechanism and the second pump body mechanism include a torsion shaft 31. The two torsion shafts 31 are respectively fixed to two drive ends. The torsion shafts 31 are rotatably connected to a swing plate 32. The swing plate 32 is connected to a pressurization component 33. The side of the pressurization component 33 away from the swing plate 32 is also provided with an air distribution component. The air distribution component and the pressurization component 33 form a first pressurization chamber 103 or a second pressurization chamber 203. The air distribution component is used to connect the first air inlet 101, the first pressurization chamber 103 and the first air outlet 102 in a unidirectional manner in sequence. It is also used to connect the second air inlet 201, the second pressurization chamber 203 and the second air outlet 202 in a unidirectional manner in sequence.

[0046] In a preferred embodiment, the gas distribution assembly is provided with a first one-way valve and a second one-way valve. The gas distribution assembly also has a first state and a second state. When it is in the first state, the first one-way valve is open, the second one-way valve is closed, the first air inlet 101 is connected to the first pressurization chamber 103, and the second air inlet 201 is connected to the second pressurization chamber 203. When it is in the second state, the first one-way valve is closed, the second one-way valve is open, the first pressurization chamber 103 is connected to the first air outlet 102, and the second pressurization chamber 203 is connected to the second air outlet 202.

[0047] like Figure 3 As shown, two torsion shafts 31 are respectively sleeved on the two driving ends of the driving component 3. The torsion shafts 31 are rotatably connected to the swing plate 32. The swing plate 32 is approximately cross-shaped. The side away from the torsion shafts 31 is connected to the boosting component 33. The outer periphery of the boosting component 33 is fitted with a fixing seat 34 for fixing and supporting the boosting component 33. The side of the boosting component 33 away from the swing plate 32 is provided with a gas distribution component. The first base 11 and the first cover 12, as well as the second base 21 and the second cover 22, can be fastened to each other by four clips 39 so that the fixing seat 34 and the gas distribution component are relatively fixed. In this embodiment, the boosting component 33 has four cups 331. The volume of the cups 331 is the volume of the first boosting chamber 103 or the second boosting chamber 203. By adjusting the volume of the cups 331 of the pistons 33 in the first sub-pump body 1 and the second sub-pump body 2 respectively, the first sub-pump body 1 and the second sub-pump body 2 can achieve air circuit series connection.

[0048] The valve distribution assembly includes a lower valve layer 37, a valve cushion 35, and an upper valve layer 36 arranged sequentially from the side closest to the pressurization assembly 33 to the side furthest from the pressurization assembly 33. The upper valve layer 36 and the lower valve layer 37 support the valve cushion 35 and assist the valve cushion 35 in distributing air. The types of the first one-way valve and the second one-way valve are not specifically limited, and umbrella pins 38 can be used, such as... Figure 3As shown, mounting holes and air inlets are correspondingly provided on the lower gas distribution layer 37 and the gas distribution pad 35. The mounting holes and air inlets are respectively provided in the two pump bodies to the first pressurization chamber 103 and the second pressurization chamber 203. The mounting holes are used to install umbrella nails 38. The umbrella nail 38 includes a nail head and a nail post. The nail head is provided on the side of the gas distribution assembly near the pressurization chamber. The air inlets can be connected to the first air inlet 101 and the first pressurization chamber 103, as well as the second air inlet 201 and the second pressurization chamber 203. When the pressurization assembly 33 contracts, the nail head is pushed by the gas to cover the air inlet, thus sealing the air inlet. When the pressurization assembly 33 expands, the gas is affected by the pressure and enters the pressurization chamber through the air inlet from the side of the air inlet away from the nail head, opening the nail head. Through the umbrella nails 38 provided above, the function of one-way communication can be realized.

[0049] Furthermore, such as Figure 3 As shown, the first and second one-way valves can also be in the form of a swing plate. The swing plate is set on the gas distribution pad 35 and can swing in one direction. The upper gas distribution layer 36 and the lower gas distribution layer 37 are provided with air inlet and air outlet holes at positions corresponding to the swing plate. By utilizing the characteristic that the swing plate can swing in one direction under the gas pressure in a fixed direction, the function of one-way communication is realized.

[0050] In a preferred embodiment, the two torsion shafts 31 are arranged in the same direction or in opposite directions on both sides of the drive member 3.

[0051] like Figure 4 As shown, by setting the two torsional shafts at both ends of the drive unit 3 in the same or opposite directions, the drive unit 3 can avoid the first sub-pump body 1 and the second sub-pump body 2 from being offset at the same time during use, making the dual-head air pump more stable; in actual use, the included angle between the two projections of the two torsional shafts 31 in the axial direction of the drive unit 3 can be 0°±15° or 180°±15°.

[0052] In a preferred embodiment, the first cover 12 and the second cover 22 are respectively provided with silencer air passages.

[0053] like Figure 2 As shown, both the first cover 12 and the second cover 22 are provided with a noise-reducing air passage on the side near the drive member 3. The noise-reducing air passage is used to eliminate the airflow noise generated by the first sub-pump body 1 and the second sub-pump body 2 during operation.

[0054] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. The above descriptions are only preferred embodiments of this application. It should be noted that due to the limitations of written expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of this invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of this application.

Claims

1. A dual-head air pump for auxiliary motor cooling, characterized in that, include: The driving component (3) has two driving ends and has a first air passage inside; The first pump body (1) is provided with at least one first air inlet (101) and at least one first air outlet (102), and has at least one first pressurization chamber (103) inside. The second pump body (2) is provided with at least one second air inlet (201) and at least one second air outlet (202), and has at least one second pressurization chamber (203) inside. The second air inlet (201) is connected to the first air outlet (102) through the first air passage. The first sub-pump body (1) and the second sub-pump body (2) are respectively connected to the two drive ends. The drive unit (3) is used to drive the first sub-pump body (1) and the second sub-pump body (2) at the same time, so that the gas enters the first pressurization chamber (103) from the first air inlet (101), is pressurized, enters the first air passage from the first air outlet (102), and then enters the second pressurization chamber (203) from the second air inlet (201) for a second pressurization before being output from the second air outlet (202).

2. A dual-head air pump for auxiliary motor cooling according to claim 1, characterized in that, The volume of the first pressurization chamber (103) is larger than the volume of the second pressurization chamber (203).

3. A dual-head air pump for auxiliary motor cooling according to claim 1, characterized in that, The drive member (3) is provided with at least one first through hole (301) and at least one second through hole (302). The first through hole (301) is connected to the first air outlet (102), and the second through hole (302) is connected to the second air inlet (201). The first air passage is formed between the first through hole (301) and the second through hole (302).

4. A dual-head air pump for auxiliary motor cooling according to claim 3, characterized in that, The drive unit (3) also has a second air passage inside, which is connected to the external environment and the first air passage.

5. A dual-head air pump for auxiliary motor cooling according to claim 4, characterized in that, The drive member (3) is also provided with at least one third through hole (303), and the third through hole (303) and the second through hole (302) form the second air passage.

6. A dual-head air pump for auxiliary motor cooling according to claim 3, characterized in that, The first pump body (1) includes a first base (11), which is located on the side of the drive member (3) near the first through hole (301). A first cover (12) is fixed on the side of the first base (11) away from the drive member (3). A first pump body mechanism is provided between the first cover (12) and the first base (11). The first pump body mechanism has a first pressurization chamber (103) inside. The first base (11) is provided with a first air outlet (102), and the first cover (12) is provided with a first air inlet (101). The second pump body (2) includes a second base (21), which is located on the side of the drive member (3) near the second through hole (302). A second cover (22) is fixed on the side of the second base (21) away from the drive member (3). A second pump body mechanism is provided between the second cover (22) and the second base (21). The second pump body mechanism has a second pressurization chamber (203) inside. The second base (21) is provided with a second air inlet (201), and the second cover (22) is provided with a first air outlet (102).

7. A dual-head air pump for auxiliary motor cooling according to claim 6, characterized in that, Both the first pump body mechanism and the second pump body mechanism include a torsion shaft (31). The two torsion shafts (31) are respectively fixed on the two drive ends. The torsion shafts (31) are rotatably connected to a swing plate (32). The swing plate (32) is connected to a boosting component (33). The boosting component (33) is also provided with an air distribution component on the side away from the swing plate (32). The air distribution component and the boosting component (33) form the first boosting chamber (103) or the second boosting chamber (203). The air distribution component is used to make the first air inlet (101), the first boosting chamber (103) and the first air outlet (102) sequentially unidirectionally connected. It is also used to make the second air inlet (201), the second boosting chamber (203) and the second air outlet (202) sequentially unidirectionally connected.

8. A dual-head air pump for auxiliary motor cooling according to claim 7, characterized in that, The gas distribution assembly is provided with a first one-way valve and a second one-way valve. The gas distribution assembly also has a first state and a second state. When it is in the first state, the first one-way valve is open and the second one-way valve is closed. The first air inlet (101) is connected to the first pressure chamber (103) and the second air inlet (201) is connected to the second pressure chamber (203). When it is in the second state, the first one-way valve is closed and the second one-way valve is open. The first pressure chamber (103) is connected to the first air outlet (102) and the second pressure chamber (203) is connected to the second air outlet (202).

9. A dual-head air pump for auxiliary motor cooling according to claim 7, characterized in that, The two torsion shafts (31) are arranged in the same direction or in opposite directions on both sides of the drive member (3).

10. A dual-head air pump for auxiliary motor cooling according to claim 6, characterized in that, The first cover (12) and the second cover (22) are respectively provided with silencer air passages.

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