A brushless air pump with high-speed opening and closing function

Abstract

The present invention provides a brushless air pump with high-speed opening and closing function, belonging to the technical field of brushless air pumps; it includes an air nozzle part, a cylinder part and a brushless motor, the cylinder part includes a mounting plate, a cylinder body is arranged on one side of the mounting plate, a side plate is arranged on the other side of the mounting plate, a receiving platform is arranged at the bottom of the side of the mounting plate away from the cylinder body, a brushless motor is arranged below the receiving platform, and a bottom frame is arranged at the bottom of the brushless motor. The present invention designs and manufactures a cylinder end head with an inclined fixed surface, the inclined fixed surface matches the contact surface of the hardware valve plate, and the inclination angle of the inclined surface is determined to achieve the best opening and closing effect and sealing performance; the hardware valve plate is made of high-strength and wear-resistant materials to match the design requirements of the inclined fixed surface, thereby improving the sealing between the push rod and the cylinder, effectively reducing the risk of gas leakage, and making the use of the air pump more stable.

Description

Technical Field

[0001] The invention relates to the technical field of brushless air pumps, and in particular to a brushless air pump with high-speed opening and closing functions. Background Art

[0002] At present, brushless air pumps on the market usually adopt a flat design for the hardware valve plate fixing surface on the cylinder end face. Although this design is simple, it has certain limitations in the high-speed opening and closing process, such as slow response speed and poor sealing performance. Traditional brushless air pumps usually increase the hardness of the valve plate material, optimize the opening and closing control algorithm, etc. to improve the opening and closing speed and sealing performance. Although the above methods can improve the performance to a certain extent, they still do not fundamentally solve the limitations brought by the flat design, especially in terms of stability and durability during high-speed opening and closing and long-term operation. Therefore, this application provides a brushless air pump with high-speed opening and closing function to meet the needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a brushless air pump with high-speed opening and closing functions to solve the existing problems.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: A brushless air pump with high-speed opening and closing function comprises: an air nozzle part, a cylinder part and a brushless motor, the cylinder part comprises a mounting plate, a cylinder body is arranged on one side of the mounting plate, a side plate is arranged on the other side of the mounting plate, a receiving platform is arranged at the bottom of the mounting plate away from the cylinder body, a brushless motor is arranged below the receiving platform, a bottom frame is arranged at the bottom of the brushless motor, an output end of the brushless motor passes through the receiving platform, and a balancing block is sleeved on the surface of the output shaft of the brushless motor, an oil-containing bearing is sleeved on the top of the balancing block, a push rod is sleeved on the outside of the oil-containing bearing, and the push rod One end of the push rod is connected to the oil-containing bearing, and the other end of the push rod is located inside the cylinder body. The air nozzle part includes a side mounting part, and a gas nozzle body is arranged on one side of the side mounting part. The side of the cylinder body away from the mounting plate is arranged in an inclined surface, and a limiting groove is provided on the inclined surface of the cylinder body. A positioning rod is arranged inside the limiting groove, and a hardware valve plate is sleeved on the surface of the positioning rod. A cylinder sealing ring is arranged between the hardware valve plate and the cylinder body, and an installation groove is opened in the middle of the inclined surface of the cylinder body. The cylinder seal is located in the installation groove, and a gas nozzle sealing ring is arranged between the hardware valve plate and the air nozzle body.

[0005] In some examples, the hardware valve plate is tilted, and the tilt angle of the hardware valve plate is the same as the slope angle of the air pump body. The hardware valve plate is made of high-strength, wear-resistant material, such as high-chromium cast iron and high-vanadium high-speed steel.

[0006] In some examples, the push rod is provided with a working end face and a piston at one end of the cylinder body, the working end face is designed to be a concave surface recessed into the interior of the push rod, the diameter of the concave surface on the working end face of the push rod is designed to be slightly smaller than the diameter of the piston, and a piston ring is provided between the piston and the interior of the cylinder body, and the piston ring and the piston are made of high-performance sealing materials, such as fluororubber and polytetrafluoroethylene.

[0007] In some examples, a top placement groove is provided at the top of the air nozzle body, a copper nut is provided inside the top placement groove, a sealing gasket is provided on the inner side of the copper nut, and an air nozzle gasket is provided on the top of the copper nut.

[0008] In some examples, a side placement groove is provided on the side of the air nozzle body away from the side mounting piece, a matching block is provided on the outer side of the side placement groove, two matching blocks are provided, a first matching hole is opened on the surface of both matching blocks, an air pressure sensor is provided inside the side placement groove, a pressure transmission hardware sheet is provided on the outer side of the air pressure sensor, an angle piece is provided on the outer side of the pressure transmission hardware sheet, two angle pieces are provided, the size and shape of the two angle pieces are matched with the matching block, and a second matching hole is opened in the middle of each of the corner pieces, the first matching hole and the second matching hole match each other, and a bolt is provided inside the second matching hole, the bolt passes through the second matching hole, and is threadedly connected to the first matching hole.

[0009] In some examples, a small axle nail is provided between the balancing block, the oil-containing bearing and the push rod, and the small axle nail passes through the balancing block, the oil-containing bearing and the push rod and is connected to the output shaft of the brushless motor. A meson is sleeved inside the oil-containing bearing.

[0010] In some examples, a mounting rod is provided on a side of the side mounting member away from the air nozzle body, a positioning block is provided on a surface of the mounting plate around the cylinder body, a positioning hole is provided inside the positioning block, and the mounting rod is connected to the positioning hole.

[0011] In some examples, a buffer spring is disposed inside each mounting rod, each buffer spring is equipped with a damper, a mounting block is disposed at one end of each buffer spring located outside the mounting rod, a connecting block is disposed at one end of each mounting block close to the positioning hole, the connecting block is matched and connected with the positioning hole, and a plurality of support rods are disposed between the mounting rods.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects: 1. When the air pump is in working state, the brushless motor drives the push rod to move synchronously, and the push rod drives the hardware valve plate on the side of the cylinder body to open and close; the hardware valve plate will perform corresponding actions according to the pressure and flow requirements of the gas. If the gas needs to be discharged from the cylinder, the brushless motor drives the push rod to move forward, thereby opening the hardware valve plate and allowing the gas to flow out; if the gas needs to be retained in the cylinder for further compression, the brushless motor drives the push rod to move backward, thereby closing the hardware valve plate to prevent the gas from flowing out. The opening and closing of the valve plate is dynamically adjusted, and it will respond quickly according to the working state of the brushless air pump and the real-time pressure of the gas; 2. This technical solution designs and manufactures a cylinder end head with a beveled fixing surface, which matches the contact surface of the hardware valve plate, and determines the inclination angle of the bevel to achieve the best opening and closing effect and sealing performance; high-strength and wear-resistant materials are selected to make the hardware valve plate to match the design requirements of the beveled fixing surface.

[0013] 3. The working end face of the push rod is designed to be a concave surface that is recessed into the inside of the push rod, which can gather the explosive impact force generated by the work of the air pump to the center of the axis of the push rod, thereby increasing the power of the air pump. At the same time, the diameter of the concave surface on the working end face of the push rod is designed to be slightly smaller than the diameter of the piston to increase the sealing between the piston and the cylinder liner. High-performance sealing materials such as fluororubber and polytetrafluoroethylene (PTFE) are used to make piston rings and sealing rings respectively, which improves the sealing between the push rod and the cylinder and effectively reduces the risk of gas leakage.

[0014] Fourth, by matching and connecting the mounting rod with the positioning hole and adding a nozzle sealing ring between the hardware valve plate and the nozzle body, the sealing performance between the cylinder and the nozzle is improved to avoid air leakage. The air pressure sensor on the side of the nozzle body can also detect the pressure of the cylinder exhaust gas in real time, making the use of the air pump more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0016] Figure 1 Schematic diagram of the three-dimensional structure of a brushless air pump with high-speed opening and closing function Figure 1 ; Figure 2 Schematic diagram of the three-dimensional structure of a brushless air pump with high-speed opening and closing function Figure 2 ; Figure 3 It is a front view of a brushless air pump with high-speed opening and closing function; Figure 4 A top view of a brushless air pump with high-speed opening and closing function; Figure 5 This is an exploded view of the structure of a brushless air pump with high-speed opening and closing functions; Figure 6 It is a schematic diagram of the structure of the cylinder part in the brushless air pump with high-speed opening and closing function; Figure 7 It is a schematic diagram of the structure of the air nozzle component in the brushless air pump with high-speed opening and closing function; Figure 8 This is a schematic diagram of the structure of Example 2 of the present invention.

[0017] [Reference Signs] 1. Balance block; 2. Oil-containing bearing; 3. Meson; 4. Small axle nail; 5. Push rod; 6. Piston ring; 7. Cylinder parts; 701. Undertaking platform; 702. Side plate; 703. Mounting plate; 704. Cylinder body; 705. Positioning block; 706. Positioning hole; 707. Limiting groove; 708. Positioning rod; 709. Mounting groove; 8. Brushless motor; 9. Cylinder sealing ring; 10. Hardware valve plate; 11. Air nozzle sealing ring; 12. Air nozzle gasket; 13. Sealing pad; 14. Copper nut; 15. Air Mouth piece; 1501, side mounting piece; 1502, mounting rod; 1503, top placement slot; 1504, side placement slot; 1505, air nozzle body; 1506, first matching hole; 1507, buffer spring; 1508, damper; 1509, connecting rod; 1510, mounting block; 1511, connecting block; 1512, support rod; 16, air pressure sensor; 17, pressure transmission hardware; 1701, angle piece; 1702, second matching hole; 18, bottom frame; 19, bolt.

[0018] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0019] The following is a detailed description of a brushless air pump with high-speed opening and closing function provided by the present invention in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are listed as the best and preferred embodiments, and other alternatives can also be used by technicians in some known technical fields; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0020] It should be noted that the embodiments indicated by "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification may include specific features, structures or characteristics, but not every embodiment may include such specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0021] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0022] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0023] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0024] Example 1 like Figure 1 - Figure 7As shown, an embodiment of the present invention provides a brushless air pump with a high-speed opening and closing function, comprising: an air nozzle member 15, a cylinder member 7 and a brushless motor 8, the cylinder member 7 comprising a mounting plate 703, a cylinder body 704 is arranged on one side of the mounting plate 703, a side plate 702 is arranged on the other side of the mounting plate 703, a receiving platform 701 is arranged at the bottom of the side of the mounting plate 703 away from the cylinder body 704, a brushless motor 8 is arranged below the receiving platform 701, a bottom frame 18 is arranged at the bottom of the brushless motor 8, an output end of the brushless motor 8 passes through the receiving platform 701, and a balancing block 1 is sleeved on the surface of the output shaft of the brushless motor 8, an oil-containing bearing 2 is sleeved on the top of the balancing block 1, and the oil-containing bearing 2 is sleeved with a push rod 5, a small shaft nail 4 is arranged between the balance block 1, the oil-containing bearing 2, and the push rod 5, the small shaft nail 4 passes through the balance block 1, the oil-containing bearing 2, the push rod 5 and is connected to the output shaft of the brushless motor 8, the oil-containing bearing 2 is sleeved with a meson 3, one end of the push rod 5 is connected to the oil-containing bearing 2, and the other end of the push rod 5 is located inside the cylinder body 704, the air nozzle member 15 includes a side mounting member 1501, a side of the side mounting member 1501 is provided with an air nozzle body 1505, and a side of the side mounting member 1501 away from the air nozzle body 1505 is provided with a mounting rod 1502, and a positioning block 705 is arranged on the surface of the mounting plate 703 around the cylinder body 704, and the positioning block 705 is arranged inside A positioning hole 706 is provided at the top, and the mounting rod 1502 is connected to the positioning hole 706. The side of the cylinder body 704 away from the mounting plate 703 is arranged in an inclined surface, and the inclined surface is inclined in a direction of protruding toward the hardware valve plate 10, and a limiting groove 707 is provided on the inclined surface of the cylinder body 704, and a positioning rod 708 is provided inside the limiting groove 707. The surface of the positioning rod 708 is sleeved with the hardware valve plate 10, and a cylinder sealing ring 9 is provided between the hardware valve plate 10 and the cylinder body 704. A mounting groove 709 is provided in the middle of the inclined surface of the cylinder body 704, and the cylinder sealing ring 9 is located in the mounting groove 709, and a nozzle sealing ring 11 is provided between the hardware valve plate 10 and the nozzle body 1505. When the air pump is at When in working state, the movement of brushless motor 8 drives push rod 5 to move synchronously, and push rod 5 drives the hardware valve plate 10 on the side of cylinder body 704 to open and close; the hardware valve plate 10 will perform corresponding actions according to the pressure and flow requirements of the gas. If the gas needs to be discharged from the cylinder, the brushless motor 8 drives push rod 5 to move forward, thereby opening the hardware valve plate 10 and allowing the gas to flow out; if the gas needs to be retained in the cylinder for further compression, the brushless motor 8 drives push rod 5 to move backward, thereby closing the hardware valve plate 10 to prevent the gas from flowing out. The opening and closing of the hardware valve plate 10 is dynamically adjusted, and it will respond quickly according to the working state of the brushless air pump and the real-time pressure of the gas.

[0025] like Figure 5As shown, it is necessary to further explain that the present embodiment is that the hardware valve plate 10 is arranged at an angle, and the inclination angle of the hardware valve plate 10 is the same as the angle of the inclined surface of the air pump body, and the inclination angle of the hardware valve plate 10 is concave inward, so as to match the inclined surface of the cylinder body 704. The hardware valve plate 10 is made of high-strength and wear-resistant materials, such as high-chromium cast iron and high-vanadium high-speed steel. The present technical solution designs and manufactures a cylinder end head with an inclined fixed surface, and the inclined fixed surface matches the contact surface of the hardware valve plate 10, and the inclination angle of the inclined surface is determined to achieve the best opening and closing effect and sealing performance; the hardware valve plate 10 is made of high-strength and wear-resistant materials to match the design requirements of the inclined fixed surface.

[0026] like Figure 5 As shown, it is necessary to further explain that, in this embodiment, a working end face and a piston are provided at one end of the push rod 5 located at the cylinder body 704, the working end face is designed to be a concave surface recessed into the inside of the push rod 5, the diameter of the concave surface on the working end face of the push rod 5 is designed to be slightly smaller than the piston diameter, a piston ring 6 is provided between the piston and the inside of the cylinder body 704, the piston ring 6 and the piston are made of high-performance sealing materials, such as fluororubber and polytetrafluoroethylene, and the working end face of the push rod 5 is designed to be a concave surface recessed into the inside of the push rod 5, so that the explosive impact force generated by the work of the air pump can be gathered at the axial center of the push rod 5, thereby improving the power of the air pump, and at the same time, the diameter of the concave surface on the working end face of the push rod 5 is designed to be slightly smaller than the piston diameter to increase the sealing between the piston and the cylinder liner, and high-performance sealing materials, such as fluororubber and polytetrafluoroethylene (PTFE), are used to make piston rings and sealing rings respectively, which improves the sealing between the push rod 5 and the cylinder and effectively reduces the risk of gas leakage.

[0027] like Figure 5 and Figure 7As shown, it is necessary to further explain the present embodiment that a top placement groove 1503 is provided at the top of the air nozzle body 1505, a copper nut 14 is provided inside the top placement groove 1503, a sealing gasket 13 is provided inside the copper nut 14, a air nozzle gasket 12 is provided at the top of the copper nut 14, a side placement groove 1504 is provided on the side of the air nozzle body 1505 away from the side mounting member 1501, a matching block is provided on the outside of the side placement groove 1504, two matching blocks are provided, and first matching holes 1506 are provided on the surfaces of the two matching blocks, an air pressure sensor 16 is provided inside the side placement groove 1504, a pressure transmission hardware sheet 17 is provided on the outside of the air pressure sensor 16, an angle piece 1701 is provided on the outside of the pressure transmission hardware sheet 17, and the angle piece 1701 is provided Two, the size and shape of the two corner pieces 1701 match the matching block and are connected, and a second matching hole 1702 is opened in the middle of each corner piece 1701, the first matching hole 1506 and the second matching hole 1702 match each other, and a bolt 19 is arranged inside the second matching hole 1702, the bolt 19 passes through the second matching hole 1702, and is threadedly connected with the first matching hole 1506, by matching and connecting the mounting rod 1502 with the positioning hole 706, and adding a nozzle sealing ring 11 between the hardware valve plate 10 and the nozzle body 1505, the sealing performance between the cylinder and the nozzle is improved to avoid air leakage, and the air pressure sensor 16 on the side of the nozzle body 1505 can be used to detect the pressure of the gas output from the cylinder body 704 in real time, so that the use of the air pump is more stable.

[0028] Example 2 like Figure 8 As shown, an embodiment of the present invention provides a brushless air pump with a high-speed opening and closing function. The structure of this embodiment is basically the same as that of embodiment 1, except that a buffer spring 1507 is arranged inside each mounting rod 1502, each buffer spring 1507 is equipped with a damper 1508, and each buffer spring 1508 is provided with a mounting block 1510 at one end located outside the mounting rod 1502, and each mounting block 1510 is provided with a connecting block 1511 at one end close to the positioning hole 706, and the connecting block 1511 is matched and connected with the positioning hole 706, and a plurality of support rods 1512 are arranged between the mounting rods 1502. The buffer spring 1507 and the damper 1508 can reduce the vibration force between the cylinder body 704 and the air nozzle body 1505, thereby improving the coordinated linkage between the cylinder body 704 and the hardware valve plate 10, thereby reducing noise and vibration force.

[0029] The technical solution provided by the present invention designs and manufactures a cylinder end head with a beveled fixing surface, wherein the beveled fixing surface matches the contact surface of the hardware valve plate 10, and the inclination angle of the bevel is determined to achieve the best opening and closing effect and sealing performance; the hardware valve plate 10 is made of high-strength and wear-resistant materials to match the design requirements of the beveled fixing surface, thereby improving the sealing between the push rod 5 and the cylinder body 704, effectively reducing the risk of gas leakage, and at the same time making the use of the air pump more stable.

[0030] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0031] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0032] The above is only a preferred embodiment of the present invention. 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 present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A brushless air pump with high-speed opening and closing function, characterized in that: include: An air nozzle component (15), a cylinder component (7) and a brushless motor (8), wherein the cylinder component (7) comprises a mounting plate (703), a cylinder body (704) is arranged on one side of the mounting plate (703), a side plate (702) is arranged on the other side of the mounting plate (703), a receiving platform (701) is arranged at the bottom of the side of the mounting plate (703) away from the cylinder body (704), a brushless motor (8) is arranged below the receiving platform (701), a bottom frame (18) is arranged at the bottom of the brushless motor (8), an output end of the brushless motor (8) passes through the receiving platform (701), and a balancing block (1) is sleeved on the surface of the output shaft of the brushless motor (8), an oil-containing bearing (2) is sleeved on the top of the balancing block (1), a push rod (5) is sleeved on the outside of the oil-containing bearing (2), one end of the push rod (5) is connected to the oil-containing bearing (2), and the push rod (5) is sleeved on the outside of the oil-containing bearing (2). The other end of the gas nozzle (15) is located inside the cylinder body (704), the gas nozzle member (15) comprises a side mounting member (1501), a gas nozzle body (1505) is arranged on one side of the side mounting member (1501), the side of the gas cylinder body (704) away from the mounting plate (703) is arranged in an inclined surface, and a limiting groove (707) is provided on the inclined surface of the gas cylinder body (704), a positioning rod (708) is provided inside the limiting groove (707), a hardware valve plate (10) is sleeved on the surface of the positioning rod (708), a cylinder sealing ring (9) is arranged between the hardware valve plate (10) and the gas cylinder body (704), a mounting groove (709) is provided in the middle of the inclined surface of the gas cylinder body (704), the gas cylinder sealing member is located in the mounting groove (709), and a gas nozzle sealing ring (11) is provided between the hardware valve plate (10) and the gas nozzle body (1505).

2. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: The hardware valve plate (10) is arranged in an inclined manner, and the inclination angle of the hardware valve plate (10) is the same as the inclined angle of the air pump body. The hardware valve plate (10) is made of a high-strength, wear-resistant material, such as high-chromium cast iron and high-vanadium high-speed steel.

3. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: The push rod (5) is provided with a working end face and a piston at one end of the cylinder body (704); the working end face is designed to be a concave surface recessed into the interior of the push rod (5); the diameter of the concave surface on the working end face of the push rod (5) is designed to be slightly smaller than the diameter of the piston; a piston ring (6) is provided between the piston and the interior of the cylinder body (704); the piston ring (6) and the piston are made of high-performance sealing materials, such as fluororubber and polytetrafluoroethylene.

4. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: A top placement groove (1503) is provided at the top of the air nozzle body (1505), a copper nut (14) is provided inside the top placement groove (1503), a sealing gasket (13) is provided on the inner side of the copper nut (14), and an air nozzle gasket (12) is provided on the top of the copper nut (14).

5. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: A side placement groove (1504) is provided on a side of the air nozzle body (1505) away from the side mounting piece (1501); a matching block is provided on the outside of the side placement groove (1504); two matching blocks are provided, and a first matching hole (1506) is provided on the surface of both matching blocks; an air pressure sensor (16) is provided inside the side placement groove (1504); a pressure transmission metal sheet (17) is provided on the outside of the air pressure sensor (16); and a corner piece is provided on the outside of the pressure transmission metal sheet (17). (1701), two corner pieces (1701) are provided, the size and shape of the two corner pieces (1701) are matched with the matching block, and a second matching hole (1702) is opened in the middle of each corner piece (1701), the first matching hole (1506) and the second matching hole (1702) match each other, and a bolt (19) is provided inside the second matching hole (1702), and the bolt (19) passes through the second matching hole (1702) and is threadedly connected to the first matching hole (1506).

6. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: A small shaft nail (4) is arranged between the balancing block (1), the oil-containing bearing (2) and the push rod (5); the small shaft nail (4) passes through the balancing block (1), the oil-containing bearing (2) and the push rod (5) and is connected to the output shaft of the brushless motor (8); and a meson (3) is sleeved inside the oil-containing bearing (2).

7. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: A mounting rod (1502) is provided on a side of the side mounting member (1501) away from the air nozzle body (1505), a positioning block (705) is provided on the surface of the mounting plate (703) around the cylinder body (704), a positioning hole (706) is provided inside the positioning block (705), and the mounting rod (1502) is connected to the positioning hole (706).

8. The brushless air pump with high-speed opening and closing function according to claim 1, characterized in that: A buffer spring (1507) is arranged inside each of the mounting rods (1502), each of the buffer springs (1507) is equipped with a damper (1508), a mounting block (1510) is arranged at one end of each of the buffer springs (1508) located outside the mounting rod (1502), a connecting block (1511) is arranged at one end of each of the mounting blocks (1510) close to the positioning hole (706), the connecting block (1511) is matched and connected with the positioning hole (706), and a plurality of support rods (1512) are arranged between the mounting rods (702).

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