WO2024008161A1 - 充气泵 - Google Patents

充气泵 Download PDF

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Publication number
WO2024008161A1
WO2024008161A1 PCT/CN2023/106148 CN2023106148W WO2024008161A1 WO 2024008161 A1 WO2024008161 A1 WO 2024008161A1 CN 2023106148 W CN2023106148 W CN 2023106148W WO 2024008161 A1 WO2024008161 A1 WO 2024008161A1
Authority
WO
WIPO (PCT)
Prior art keywords
reciprocating
piston
power shaft
guide rail
air pump
Prior art date
Application number
PCT/CN2023/106148
Other languages
English (en)
French (fr)
Inventor
傅珂珂
李进
Original Assignee
浙江千机智能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江千机智能科技有限公司 filed Critical 浙江千机智能科技有限公司
Publication of WO2024008161A1 publication Critical patent/WO2024008161A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations

Definitions

  • the utility model relates to the technical field of inflatable structures, in particular to an inflatable pump.
  • the air pump is also called an air blower, air pump, and air pump. It works through the operation of a motor.
  • the motor drives the reciprocating mechanism to move, and the valve of the connector is opened by the atmospheric pressure, and the gas enters the pump.
  • the motor drives the reciprocating mechanism to move, causing the valve to be closed by the air pressure in the pump, and the gas enters. into the tire.
  • traditional air pumps can only work in one direction, resulting in low inflation efficiency of the air pump.
  • the air pump includes a reciprocating assembly, a compression assembly and an inflating assembly.
  • the compression assembly includes a cylinder and a piston.
  • a compression chamber is formed in the cylinder, and two air inlet passages are provided on the cylinder.
  • Two exhaust channels, two intake channels and two exhaust channels are connected to the compression chamber, the piston is arranged in the compression chamber, one intake channel and one The exhaust channel is connected to the compression chamber on one side of the piston, and the other intake channel is connected to the compression chamber on the other side of the exhaust channel opposite to the piston;
  • the piston is connected to the reciprocating assembly, and the reciprocating assembly is used to drive the piston to reciprocate;
  • the inflating assembly includes an inflating tube, the inflating tube is arranged on the cylinder, and each of the exhaust channels is connected to The spaces in the inflatable tube are connected.
  • the inflatable assembly further includes a connecting piece, and a connecting piece is formed inside the connecting piece.
  • a connecting channel the connecting piece is provided with two connecting ports communicating with the connecting channel, and the connecting piece is arranged on the outer wall of the cylinder, so that the two connecting ports are connected to the two connecting ports respectively.
  • the connecting piece is also provided with an air filling port connected to the connecting channel, and the air filling pipe is connected to the air filling port.
  • the inflatable assembly further includes a pressure sensor, the pressure sensor is arranged on the connecting piece, and the pressure sensor is used to detect the air pressure in the connecting channel.
  • the air pump further includes a display component, the display component is electrically connected to the pressure sensor, and the pressure sensor is used to transmit pressure data to the display component.
  • the air pump further includes a housing, the reciprocating component and the compression component are both disposed in the housing, the inflating tube extends from the housing, and the display member arranged on the outer wall of the housing.
  • the cylinder includes a cylinder body, a first ventilation part and a second ventilation part, and the first ventilation part and the second ventilation part are respectively disposed on opposite sides of the cylinder body;
  • a compression chamber is formed in the cylinder body, an air intake channel and an exhaust channel are formed on the first breather, and another air intake channel and another exhaust channel are formed on the first ventilation member.
  • the reciprocating assembly is disposed on the side of the first breather member facing away from the cylinder body.
  • an installation cavity is formed on a side of the first breather facing away from the cylinder body, and a driving hole is opened on the inner wall of the installation cavity to communicate with the compression cavity.
  • the reciprocating assembly is disposed in the installation cavity and connected to the piston through the driving hole.
  • the reciprocating assembly includes a power shaft, a reciprocating part and a power source.
  • the reciprocating part is transmission matched with the power shaft and is disposed in the installation cavity.
  • the piston passes through the driving The hole is connected to the reciprocating part, and the power source is used to drive the power shaft to rotate, so as to drive the piston to reciprocate along the axis direction of the power shaft through the reciprocating part.
  • the power shaft is provided with a reciprocating guide rail
  • the trajectory of the reciprocating guide rail is a closed curve surrounding the axis of the power shaft, and the wave peaks and troughs of the reciprocating guide rail are along the axis of the power shaft.
  • the reciprocating part includes a limiting body and a reciprocating sleeve.
  • the reciprocating sleeve is sleeved on the power shaft.
  • the limiting body is positioned on the reciprocating sleeve and cooperates with the reciprocating guide rail guide.
  • the power source is used to drive the power shaft to rotate, so that the limiting body moves on the reciprocating guide rail along the trajectory of the reciprocating guide rail; the piston is connected to the reciprocating sleeve.
  • the power shaft is further provided with a balance guide rail that is spaced opposite to the reciprocating guide rail along the axis of the power shaft, and the trajectory of the balance guide rail is a closed curve surrounding the axis of the power shaft, And the wave crest of the balance guide rail is opposite to the wave trough of the reciprocating guide rail along the axial direction of the power shaft, and the wave trough of the balance guide rail is opposite to the wave crest of the reciprocating guide rail along the axial direction of the power shaft; the balance A balance body is provided on the guide rail, and the balance body and the limiting body are arranged oppositely along the axial direction of the power shaft. When the power shaft rotates, the balance body and the limiting body are opposite or opposite to each other. move.
  • the above-mentioned air pump when inflating, connects the air tube to the tire and other components to be inflated, and the reciprocating assembly drives the piston to reciprocate.
  • the piston When the piston moves in one direction, it compresses the gas in the compression chamber on one side of the piston movement direction, and The exhaust passage connected to the compression chamber on that side is discharged through the inflation pipe.
  • the volume of the compression chamber on the other side of the piston increases, and air is introduced into the compression chamber on that side through the air inlet passage connected with that side;
  • the piston When the piston moves in the other direction, the piston can compress the gas in the compression chamber on the other side and discharge it to the inflation pipe through the exhaust passage connected to the compression chamber on that side.
  • the volume of the compression chamber on one side of the piston Increases air intake into the compression chamber on this side through the air inlet channel connected with this side.
  • the piston of the above-mentioned air pump moves in one direction, so that one side of the piston compresses and inflates while the other side realizes air intake at the same time, thereby achieving the purpose of uninterrupted inflation and improving the efficiency of inflation.
  • Figure 1 is a schematic structural diagram of an air pump in an embodiment
  • Figure 2 is a schematic structural diagram of the air pump shown in Figure 1 with the housing omitted;
  • Figure 3 is a cross-sectional view of the air pump shown in Figure 2;
  • Figure 4 is a cross-sectional view of the compression assembly shown in Figure 3;
  • Figure 5 is an exploded view of the cylinder in Figure 4.
  • Figure 6 is a schematic structural diagram of the reciprocating assembly in Figure 2;
  • Figure 7 is a partially exploded view of the reciprocating assembly shown in Figure 6;
  • Figure 8 is a schematic structural diagram of a power shaft in another embodiment.
  • Air pump 100. Reciprocating assembly; 110. Power shaft; 112. Reciprocating groove; 120. Reciprocating parts; 121. Limiting body; 122. Reciprocating sleeve; 123. Universal ball; 124. Limiting seat; 125. Ball; 126, first matching structure; 130, power source; 140, guide rod; 150, balance body; 200, compression component; 210, cylinder; 211, compression chamber; 212, air intake channel; 213, exhaust channel; 214. Cylinder body; 215. First breather; 216, second breather; 217, valve plate; 218, installation cavity; 219, drive hole; 220, piston; 221, plug body; 222, connecting rod; 300, inflation component; 310, inflation tube ; 320. Connecting piece; 321. Connecting channel; 322. Connecting port; 323. Inflating port; 324. Pressure detection port; 330. Pressure sensor; 400. Display component; 500. Housing.
  • the air pump 10 in one embodiment of the present invention can at least ensure the inflation efficiency.
  • the air pump 10 includes a reciprocating assembly 100, a compression assembly 200 and an inflating assembly 300.
  • the compression assembly 200 includes a cylinder 210 and a piston 220.
  • a compression chamber 211 is formed in the cylinder 210, and two air inlets are provided on the cylinder 210.
  • the passage 212 and two exhaust passages 213, the two intake passages 212 and the two exhaust passages 213 are all connected to the compression chamber 211.
  • the piston 220 is arranged in the compression chamber 211.
  • An intake passage 212 and an exhaust passage 213 It communicates with the compression chamber 211 on one side of the piston 220, and the other intake channel 212 and the other exhaust channel 213 communicate with the compression chamber 211 on the other side opposite to the piston 220;
  • the piston 220 is connected to the reciprocating assembly 100, and the reciprocating assembly 100 is used to drive the piston 220 to move back and forth;
  • the inflation assembly 300 includes an inflation tube 310, which is arranged on the cylinder 210, and each exhaust channel 213 is connected with the space in the inflation tube 310.
  • the inflation tube 310 is connected to the tire and other components to be inflated, and the reciprocating assembly 100 drives the piston 220 to reciprocate.
  • the piston 220 moves in one direction, the direction of movement of the piston 220 is compressed.
  • the gas in the compression chamber 211 on one side is discharged through the gas tube 310 through the exhaust passage 213 connected with the compression chamber 211 on that side.
  • the volume of the compression chamber 211 on the other side of the piston 220 increases, and the gas in the compression chamber 211 on the other side increases through the exhaust passage 213 connected with the compression chamber 211 on that side.
  • the side-connected air inlet passage 212 injects air into the compression chamber 211 on that side; and when the piston 220 moves in the other direction, the piston 220 can compress the gas in the compression chamber 211 on the other side and is connected to the compression chamber on that side.
  • the exhaust passage 213 connected with 211 is discharged to the charging pipe 310.
  • the volume of the compression chamber 211 on one side of the piston 220 increases, and air is introduced into the compression chamber 211 on that side through the intake passage 212 connected with that side.
  • the piston 220 of the above-mentioned air pump 10 moves in one direction, so that one side of the piston 220 is compressed and inflated while the other side realizes air intake at the same time, thereby achieving the purpose of uninterrupted inflation and improving the efficiency of inflation.
  • the inflatable assembly 300 further includes a connecting piece 320.
  • a connecting channel 321 is formed in the connecting piece 320.
  • Two connecting ports 322 are provided on the connecting piece 320 to communicate with the connecting channels 321.
  • the connecting piece 320 is arranged on the cylinder. 210, so that the two connection ports 322 are connected to the two exhaust channels 213 respectively.
  • the connector 320 is also provided with an inflation port 323 connected to the connection channel 321, and the inflation tube 310 is connected to the inflation port 323.
  • the connection between the exhaust channel 213 and the inflation pipe 310 is achieved by providing the connecting piece 320 to improve the stability of the connection.
  • the connecting member 320 is installed on the outer wall of the cylinder 210 through screws, so that the connecting port 322 is connected to the exhaust channel 213 .
  • the connecting member 320 can also be clamped on the outer wall of the cylinder 210, or be disposed on the outer wall of the cylinder 210 through gluing or other methods.
  • the inflatable assembly 300 further includes a pressure sensor 330 , which is disposed on the connecting piece 320 .
  • the pressure sensor 330 is used to detect the air pressure in the connecting channel 321 .
  • the pressure sensor 330 can detect the pressure in the connection channel 321 and then detect the inflation pressure to ensure the safety of inflation.
  • the connecting piece 320 is provided with a pressure detection port 324 that communicates with the connection channel 321 , and the pressure sensor 330 is disposed at the pressure detection port 324 . Pressure sensing is facilitated by setting the pressure detection port 324 The arrangement of the detector 330 facilitates the detection of the pressure in the connecting channel 321.
  • the pressure sensor 330 can also be disposed in the inflation tube 310 to detect the inflation pressure by detecting the pressure in the inflation tube 310 .
  • the air pump 10 further includes a display component 400.
  • the display component 400 is electrically connected to a pressure sensor 330.
  • the pressure sensor 330 is used to transmit pressure data to the display component 400.
  • the detection data of the pressure sensor 330 can be observed more intuitively through the display part 400 .
  • the air pump 10 further includes a housing 500 , the reciprocating component 100 and the compression component 200 are both disposed in the housing 500 , the inflation tube 310 extends from the housing 500 , and the display 400 is disposed on the outer wall of the housing 500 .
  • the reciprocating assembly 100 and the compression assembly 200 can be protected by the housing 500 .
  • the housing 500 is also provided with air holes, and the air inlet passage 212 is connected with the air holes to facilitate air intake into the compression chamber 211 through the air holes.
  • the cylinder 210 includes a cylinder body 214, a first ventilation component 215 and a second ventilation component 216.
  • the first ventilation component 215 and the second ventilation component 216 are respectively provided on the cylinder body.
  • a compression chamber 211 is formed in the cylinder body 214, an air inlet channel 212 and an exhaust channel 213 are formed on the first breather 215, and another air inlet channel 212 and another exhaust channel 213 are formed
  • the reciprocating assembly 100 is disposed on the side of the first breather member 215 facing away from the cylinder body 214.
  • the cylinder body 214 By arranging the cylinder body 214, it is convenient to form the compression chamber 211, by arranging the first breather 215, it is convenient to form an air inlet passage 212 and an exhaust passage 213, and by arranging the second breather 216, it is convenient to form another air inlet passage 212 and another air inlet passage 212.
  • a one-way air intake valve is provided in the air inlet channel 212, and a one-way exhaust valve is provided in the exhaust channel to facilitate one-way air intake and exhaust of gas.
  • the cylinder body 214 opens toward the first ventilation part 215.
  • the cylinder 210 also includes a valve plate 217.
  • the valve plate 217 is disposed between the cylinder body 214 and the first ventilation part 215.
  • the first ventilation part The side of 215 facing the valve plate 217 is provided with an air inlet passage 212 and an exhaust passage 213.
  • an installation cavity 218 is formed on the side of the first breather 215 facing away from the cylinder body 214, and a driving hole 219 connected to the compression cavity 211 is provided on the inner wall of the installation cavity 218.
  • the reciprocating assembly 100 is provided with in the installation cavity 218 and connected to the piston 220 through the driving hole 219. Using the space on the side of the first breather 215 facing away from the cylinder body 214 to install the reciprocating assembly 100 is beneficial to miniaturization of the air pump 10 .
  • the piston 220 includes a plug body 221 and a connecting rod 222.
  • One end of the connecting rod 222 is connected to the plug body 221, and the other end passes through the driving hole 219 and is connected to the reciprocating assembly 100.
  • the plug body 221 is disposed in the compression chamber 211.
  • the reciprocating assembly 100 includes a power shaft 110, a reciprocating part 120 and a power source 130.
  • the piston 220 is connected to the reciprocating part 120, and the power source 130 is used to drive the power shaft 110 to rotate.
  • the reciprocating member 120 drives the piston 220 to reciprocate along the axis direction of the power shaft 110 .
  • the reciprocating part 120 is drivingly matched with the power shaft 110 and is disposed in the installation cavity 218 .
  • the piston 220 penetrates the driving hole 219 and is connected to the reciprocating part 120 .
  • the connecting rod 222 of the piston 220 is connected to the reciprocating sleeve.
  • the power source 130 is used to drive the rotation of the power shaft 110 to realize the axial reciprocating movement of the piston 220 driven by the reciprocating sleeve.
  • the power shaft 110 is provided with a reciprocating guide rail, the trajectory of the reciprocating guide rail is a closed curve surrounding the axis of the power shaft 110, and the wave peaks and troughs of the reciprocating guide rail are spaced along the axis of the power shaft 110;
  • the reciprocating member 120 includes The limiting body 121 and the reciprocating sleeve 122.
  • the reciprocating sleeve 122 is sleeved on the power shaft 110.
  • the limiting body 121 is positioned on the reciprocating sleeve 122 and cooperates with the reciprocating guide rail guide.
  • the power source 130 is used to drive the power shaft 110 to rotate.
  • the limiting body 121 moves along the trajectory of the reciprocating guide rail; the piston 220 is connected to the reciprocating sleeve 122 .
  • the cooperation between the reciprocating guide rail and the limiting body 121 can eliminate the deflection force during the movement of the reciprocating sleeve 122 and ensure the stability of the reciprocating sleeve 122 driving the piston 220 to perform work.
  • the trajectory of the reciprocating guide rail around the axis of the power shaft 110 is a sinusoidal curve.
  • the limiting body 121 moves along the trajectory of the reciprocating guide rail.
  • the reciprocating guide rail arranged in a sinusoidal trajectory ensures that the limiting body 121 can move smoothly on the reciprocating guide rail and ensures the reciprocating movement of the reciprocating sleeve 122. smooth.
  • the reciprocating guide rail is a reciprocating groove 112, and the trajectory of the reciprocating groove 112 is a closed curve surrounding the axis of the power shaft 110.
  • the limiting body 121 is penetrated in the reciprocating groove 112, and the limiting body 121 can reciprocate. Move within slot 112.
  • the limiting body 121 includes a universal ball 123, which is rollably disposed in the reciprocating groove 112 and can move in the reciprocating groove 112.
  • the limiting body 121 also includes a limiting seat 124 and a plurality of balls 125.
  • the plurality of balls 125 are arranged in the limiting seat 124.
  • the universal ball 123 is partially penetrated in the limiting seat 124 and contacts the balls 125.
  • both the universal ball 123 and the ball 125 can roll relative to the limiting seat 124 .
  • the limiting seat 124 is positioned on the reciprocating sleeve 122 .
  • a plurality of balls 125 are used to realize rolling friction between the universal ball 123 and the limiting seat 124, which further ensures the rolling stability of the universal ball 123 and avoids the reciprocation between the universal ball 123 and direct contact between the inner walls of sleeve 122.
  • the reciprocating assembly 100 further includes a guide rod 140.
  • a first matching structure 126 is provided on the outer wall of the reciprocating sleeve 122.
  • the guide rod 140 guides and cooperates with the first matching structure 126, and the guide rod 140 and the first matching structure 126
  • the guiding direction of is the axis direction of the power shaft 110.
  • the number of guide rods 140 is at least two, and each guide rod 140 is evenly arranged around the axis of the power shaft 110 .
  • the number of the first matching structures 126 is consistent with the number of the guide rods 140, and each guide rod 140 can guide and cooperate with a first matching structure 126.
  • the power shaft 110 is also provided with a balance guide rail that is spaced apart from the reciprocating guide rail along the axis of the power shaft 110, and the trajectory of the balance guide rail is around the power shaft 110.
  • the closed curve of the axis of the force shaft 110, and the wave crest of the balance guide rail is opposite to the wave trough of the reciprocating guide rail along the axis direction of the power shaft 110, and the wave trough of the balance guide rail is opposite to the wave trough of the balance guide rail along the axis direction of the power shaft 110.
  • the wave crests of the reciprocating guide rail are opposite to each other; a balance body 150 is provided on the balance guide rail, and the balance body 150 and the limiting body 121 are arranged oppositely along the axis direction of the power shaft 110.
  • the balance body 150 moves toward or away from the limiting body 121 .
  • the balance body 150 moves along the trajectory of the balance guide rail, and the limiting body 121 moves along the trajectory of the reciprocating guide rail, so that the balance body 150 and the reciprocating sleeve 122 face each other along the axis direction of the power shaft 110 .
  • the back movement allows the force generated by the acceleration of the balance body 150 to offset the force generated by the acceleration of the reciprocating sleeve 122 to avoid axial vibration force on the power shaft 110 caused by setting the reciprocating sleeve 122 alone.
  • the balance body 150 can avoid the axial vibration of the reciprocating sleeve 122 and the power shaft 110 and improve the stability of the transmission.
  • the structure of the balance guide rail is consistent with that of the reciprocating guide rail.
  • the number of balance bodies 150 and limiting bodies 121 is consistent.
  • a limiting body 121 is aligned with a balance body 150 along the axis of the power shaft 110 . Relative settings.
  • the above-mentioned air pump 10 not only has a compact structure, but also facilitates miniaturization design and is easy to carry. At the same time, the inflation efficiency of the above-mentioned air pump 10 is higher.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.
  • connection In this utility model, unless otherwise expressly stipulated and limited, the terms “installation”, “connection”, “connection”, “fixing” and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements, unless otherwise clear limits. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
  • the first feature "on” or “below” the second feature may be that the first and second features are in direct contact, or the first and second features are in direct contact through an intermediate medium. indirect contact. Furthermore, the first feature is “on”, “above” and “over” the second feature but the first feature is on the second feature. The sign is directly above or diagonally above, or simply means that the level of the first feature is higher than that of the second feature. "Below”, “below” and “beneath” the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

一种充气泵(10)，其包括往复组件(100)、压缩组件(200)及充气组件(300)。充气时，往复组件(100)驱动活塞(220)朝一个方向移动时，以压缩活塞(220)移动方向一侧的压缩腔(211)内的气体，并由与该侧压缩腔(211)连通的排气通道(213)通过充气管(310)排出，同时活塞(220)另一侧的压缩腔(211)的体积增大，通过与该侧连通的进气通道(212)进气至该侧的压缩腔(211)内；而当活塞(220)朝另一方向移动时，活塞(220)压缩另一侧的压缩腔(211)内的气体并由与该侧压缩腔(211)连通的排气通道(213)排出至充气管(310)，而此时活塞(220)一侧的压缩腔(211)的体积增大，通过与该侧连通的进气通道(212)进气至该侧的压缩腔(211)内。该充气泵(10)的活塞(220)在朝一个方向移动，以使活塞(220)的一侧压缩充气而另一侧同时实现进气，进而能够不间断的充气，提高效率。

Description

充气泵 技术领域
本实用新型涉及充气结构技术领域，特别是涉及充气泵。
背景技术
充气泵又叫打气机、打气泵、充气泵，通过电机的运转来工作。抽气时，电机带动往复机构运动，连通器的阀门被大气的气压冲开，气体进入气筒，而向轮胎中打气时，电机带动往复机构运动，使得阀门又被气筒内的气压关闭，气体进入了轮胎中。然而，传统的充气泵的只能单向做功，导致充气泵的充气效率低。
实用新型内容
基于此，有必要针对上述问题，提供一种能够提高充气效率的充气泵。
一种充气泵，所述充气泵包括往复组件、压缩组件及充气组件，所述压缩组件包括气缸及活塞，所述气缸内形成有压缩腔，且所述气缸上开设有两个进气通道及两个排气通道，两个所述进气通道与两个所述排气通道均与所述压缩腔连接，所述活塞设置于所述压缩腔内，一所述进气通道与一所述排气通道与所述活塞一侧的所述压缩腔连通，另一所述进气通道与另一所述排气通道与所述活塞相背对的另一侧的所述压缩腔连通；所述活塞连接于所述往复组件，所述往复组件用于驱动所述活塞往复移动；所述充气组件包括充气管，所述充气管设置于所述气缸上，且各个所述排气通道均与所述充气管内的空间连通。
在其中一个实施例中，所述充气组件还包括连接件，所述连接件内形成有 连接通道，所述连接件上开设有两个与所述连接通道连通的连接口，所述连接件设置于所述气缸的外壁上，以使两个所述连接口分别连接于两个所述排气通道处，所述连接件上还开设有与所述连接通道连通的充气口，所述充气管连接于所述充气口处。
在其中一个实施例中，所述充气组件还包括压力传感器，所述压力传感器设置于所述连接件上，所述压力传感器用于检测所述连接通道内的气压。
在其中一个实施例中，所述的充气泵还包括显示件，所述显示件电性连接于所述压力传感器，所述压力传感器用于传输压力数据至所述显示件。
在其中一个实施例中，所述的充气泵还包括壳体，所述往复组件及所述压缩组件均设置于所述壳体内，所述充气管由所述壳体伸出，所述显示件设置于所述壳体的外壁上。
在其中一个实施例中，所述气缸包括缸本体、第一通气件及第二通气件，所述第一通气件与所述第二通气件分别设置于所述缸本体的相对两侧；所述缸本体内形成有压缩腔，一所述进气通道与一所述排气通道形成于所述第一通气件上，另一所述进气通道与另一所述排气通道形成于所述第二通气件上；所述往复组件设置于所述第一通气件背向于所述缸本体的一侧。
在其中一个实施例中，所述第一通气件背向于所述缸本体的一侧形成有安装腔，且所述安装腔的内壁上开设有与所述压缩腔连通的驱动孔，所述往复组件设置于所述安装腔内，并通过所述驱动孔连接所述活塞。
在其中一个实施例中，所述往复组件包括动力轴、往复件及动力源，所述往复件与所述动力轴传动配合并设置于所述安装腔内，所述活塞穿设于所述驱动孔并连接于所述往复件，所述动力源用于驱动所述动力轴转动，以通过所述往复件带动所述活塞沿所述动力轴的轴线方向往复移动。
在其中一个实施例中，所述动力轴上设置有往复导轨，所述往复导轨的轨迹为环绕所述动力轴轴线的闭合曲线，且所述往复导轨的波峰与波谷沿所述动力轴的轴线间隔设置；所述往复件包括限位体及往复套，所述往复套套设于所述动力轴上，所述限位体定位于所述往复套上并与所述往复导轨导向配合，所述动力源用于驱动所述动力轴转动，以使所述限位体在所述往复导轨沿着所述往复导轨的轨迹移动；所述活塞连接于所述往复套。
在其中一个实施例中，所述动力轴上还设置有与所述往复导轨沿所述动力轴轴线间隔相对设置的平衡导轨，所述平衡导轨的轨迹为环绕所述动力轴轴线的闭合曲线，且所述平衡导轨的波峰沿所述动力轴的轴线方向与所述往复导轨的波谷相对，所述平衡导轨的波谷沿所述动力轴的轴线方向与所述往复导轨的波峰相对；所述平衡导轨上设置有平衡体，所述平衡体与所述限位体沿所述动力轴的轴线方向相对设置，当所述动力轴转动时，所述平衡体与所述限位体相向或相背移动。
上述充气泵，在充气时，将充气管连接于待充气的轮胎等部件，往复组件驱动活塞往复移动，当活塞朝一个方向移动时，以压缩活塞移动方向一侧的压缩腔内的气体，并由与该侧压缩腔连通的排气通道通过充气管排出，此时，活塞另一侧的压缩腔的体积增大，通过与该侧连通的进气通道进气至该侧的压缩腔内；而当活塞朝另一方向移动时，活塞能够压缩另一侧的压缩腔内的气体并由与该侧压缩腔连通的排气通道排出至充气管，而此时活塞一侧的压缩腔的体积增大，通过与该侧连通的进气通道进气至该侧的压缩腔内。上述充气泵的活塞在朝一个方向移动，以使活塞的一侧压缩充气而另一侧同时实现进气，进而能够实现不间断的充气的目的，提高充气的效率。
附图说明
构成本申请的一部分的附图用来提供对本实用新型的进一步理解，本实用新型的示意性实施例及其说明用于解释本实用新型，并不构成对本实用新型的不当限定。
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
此外，附图并不是1:1的比例绘制，并且各个元件的相对尺寸在附图中仅示例地绘制，而不一定按照真实比例绘制。在附图中：
图1为一实施例中的充气泵的结构示意图；
图2为图1所示的充气泵省略壳体的结构示意图；
图3为图2所示的充气泵的剖视图；
图4为图3所示的压缩组件的剖视图；
图5为图4中的气缸的分解图；
图6为图2中的往复组件的结构示意图；
图7为图6所示的往复组件的局部分解图；
图8为另一实施例中的动力轴的结构示意图。
附图标记说明：
10、充气泵；100、往复组件；110、动力轴；112、往复槽；120、往复件；121、限位体；122、往复套；123、万向球；124、限位座；125、滚珠；126、第一配合结构；130、动力源；140、导向杆；150、平衡体；200、压缩组件；210、气缸；211、压缩腔；212、进气通道；213、排气通道；214、缸本体；215、 第一通气件；216、第二通气件；217、阀片；218、安装腔；219、驱动孔；220、活塞；221、塞体；222、连杆；300、充气组件；310、充气管；320、连接件；321、连接通道；322、连接口；323、充气口；324、压力检测口；330、压力传感器；400、显示件；500、壳体。
具体实施方式
为使本实用新型的上述目的、特征和优点能够更加明显易懂，下面结合附图对本实用新型的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本实用新型。但是本实用新型能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本实用新型内涵的情况下做类似改进，因此本实用新型不受下面公开的具体实施例的限制。
参阅图1至图3，本实用新型一实施例中的充气泵10，至少能够保证充气效率。具体地，所述充气泵10包括往复组件100、压缩组件200及充气组件300，压缩组件200包括气缸210及活塞220，气缸210内形成有压缩腔211，且气缸210上开设有两个进气通道212及两个排气通道213，两个进气通道212与两个排气通道213均与压缩腔211连接，活塞220设置于压缩腔211内，一进气通道212与一排气通道213与活塞220一侧的压缩腔211连通，另一进气通道212与另一排气通道213与活塞220相背对的另一侧的压缩腔211连通；活塞220连接于往复组件100，往复组件100用于驱动活塞220往复移动；充气组件300包括充气管310，充气管310设置于气缸210上，且各个排气通道213均与充气管310内的空间连通。
在充气时，将充气管310连接于待充气的轮胎等部件，往复组件100驱动活塞220往复移动，当活塞220朝一个方向移动时，以压缩活塞220移动方向 一侧的压缩腔211内的气体，并由与该侧压缩腔211连通的排气通道213通过充气管310排出，此时，活塞220另一侧的压缩腔211的体积增大，通过与该侧连通的进气通道212进气至该侧的压缩腔211内；而当活塞220朝另一方向移动时，活塞220能够压缩另一侧的压缩腔211内的气体并由与该侧压缩腔211连通的排气通道213排出至充气管310，而此时活塞220一侧的压缩腔211的体积增大，通过与该侧连通的进气通道212进气至该侧的压缩腔211内。上述充气泵10的活塞220在朝一个方向移动，以使活塞220的一侧压缩充气而另一侧同时实现进气，进而能够实现不间断的充气的目的，提高充气的效率。
一实施例中，所述充气组件300还包括连接件320，连接件320内形成有连接通道321，连接件320上开设有两个与连接通道321连通的连接口322，连接件320设置于气缸210的外壁上，以使两个连接口322分别连接于两个排气通道213处，连接件320上还开设有与连接通道321连通的充气口323，充气管310连接于充气口323处。通过设置连接件320实现排气通道213与充气管310的连接，提高连接的稳定性。
在本实施例中，连接件320通过螺钉安装于气缸210的外壁上，以使连接口322对接于排气通道213处。在其他实施例中，连接件320还可以卡接于气缸210的外壁上，或者通过胶结等其他方式设置于气缸210的外壁上。
一实施例中，充气组件300还包括压力传感器330，压力传感器330设置于连接件320上，压力传感器330用于检测连接通道321内的气压。通过压力传感器330能够检测连接通道321内的压力，进而检测到充气压力，保证充气的安全性。
具体地，连接件320上开设有与连接通道321连通的压力检测口324，压力传感器330设置于压力检测口324处。通过设置压力检测口324便于压力传感 器330的设置，进而便于对连接通道321内压力的检测。
在另一实施例中，压力传感器330还可以设置于充气管310内，通过检测充气管310内的压力实现对充气压力的检测。
一实施例中，充气泵10还包括显示件400，显示件400电性连接于压力传感器330，所述压力传感器330用于传输压力数据至所述显示件400。通过显示件400能够更加直观地观察到压力传感器330的检测数据。
一实施例中，充气泵10还包括壳体500，往复组件100及压缩组件200均设置于壳体500内，充气管310由壳体500伸出，显示件400设置于壳体500的外壁上。通过壳体500能够实现对往复组件100及压缩组件200的保护。具体地，壳体500还开设有气孔，进气通道212与气孔连通，便于通过气孔进气至压缩腔211内。
参阅图3、图4及图5，一实施例中，气缸210包括缸本体214、第一通气件215及第二通气件216，第一通气件215与第二通气件216分别设置于缸本体214的相对两侧；缸本体214内形成有压缩腔211，一进气通道212与一排气通道213形成于第一通气件215上，另一进气通道212与另一排气通道213形成于第二通气件216上；往复组件100设置于第一通气件215背向于缸本体214的一侧。通过设置缸本体214便于形成压缩腔211，通过设置第一通气件215便于形成一进气通道212及一排气通道213，而通过设置第二通气件216便于形成另一进气通道212及另一排气通道213。
具体地，进气通道212内设置有单向进气阀，排出通道内设置有单向排气阀，以便于实现气体的单向进气与排气。
在本实施例中，缸本体214朝向第一通气件215一侧开口，气缸210还包括阀片217，阀片217设置于缸本体214与第一通气件215之间，第一通气件 215朝向阀片217的一侧开设有进气通道212与排气通道213。
一实施例中，第一通气件215背向于所述缸本体214的一侧形成有安装腔218，且安装腔218的内壁上开设有与压缩腔211连通的驱动孔219，往复组件100设置于安装腔218内，并通过驱动孔219连接活塞220。利用第一通气件215背向于缸本体214的一侧的空间安装往复组件100，有利于充气泵10的小型化。
具体地，活塞220包括塞体221及连杆222，连杆222的一端连接于塞体221，另一端穿过驱动孔219连接于往复组件100，塞体221设置于压缩腔211内。
参阅图3、图6及图7，一实施例中，往复组件100包括动力轴110、往复件120及动力源130，活塞220连接于往复件120，动力源130用于驱动动力轴110转动，以通过往复件120带动活塞220沿动力轴110的轴线方向往复移动。在本实施例中，往复件120与动力轴110传动配合并设置于安装腔218内，活塞220穿设于驱动孔219并连接于往复件120。具体地，活塞220的连杆222连接于往复套。利用动力源130驱动动力轴110的旋转，实现往复套带动活塞220的轴向往复移动。
具体地，动力轴110上设置有往复导轨，所述往复导轨的轨迹为环绕动力轴110轴线的闭合曲线，且所述往复导轨的波峰与波谷沿动力轴110的轴线间隔设置；往复件120包括限位体121及往复套122，往复套122套设于动力轴110上，限位体121定位于往复套122上并与往复导轨导向配合，动力源130用于驱动动力轴110转动，以使限位体121在所述往复导轨沿着所述往复导轨的轨迹移动；活塞220连接于往复套122。利用往复导轨与限位体121的配合，能够消除往复套122移动过程中的偏向力作用，保证往复套122带动活塞220做功的稳定性。
一实施例中，所述往复导轨绕动力轴110的轴线的轨迹呈正弦曲线。当动力轴110转动时，通过限位体121沿往复导轨的轨迹移动，利用呈正弦曲线轨迹布置的往复导轨，保证限位体121在往复导轨上能够顺滑移动，保证往复套122往复移动的平稳。
在本实施例中，所述往复导轨为往复槽112，往复槽112的轨迹为环绕动力轴110轴线的闭合曲线，限位体121穿设于往复槽112内，且限位体121能够在往复槽112内移动。具体地，限位体121包括万向球123，万向球123可滚动地设置于往复槽112内并能够在往复槽112内移动。进一步地，限位体121还包括限位座124及多个滚珠125，多个滚珠125设置于限位座124内，万向球123部分穿设于限位座124内并与滚珠125抵接，万向球123与滚珠125均能够相对于限位座124滚动。具体地，限位座124定位于往复套122上。当万向球123在滚动时，利用多个滚珠125实现万向球123与限位座124之间的滚动摩擦，进一步保证万向球123滚动的稳定性，且避免了万向球123与往复套122内壁之间的直接接触。
一实施例中，往复组件100还包括导向杆140，往复套122的外壁上设置有第一配合结构126，导向杆140与第一配合结构126导向配合，且导向杆140与第一配合结构126的导向方向为动力轴110的轴线方向。通过第一配合结构126与导向杆140的导向配合，能够保证往复套122往复移动方向的稳定。
在本实施例中，导向杆140的数量为至少两个，各个导向杆140绕动力轴110的轴线均匀布置。第一配合结构126的数量与导向杆140的数量相一致，每一导向杆140均能够与一第一配合结构126导向配合。
一并参阅图8，一实施例中，动力轴110上还设置有与所述往复导轨沿所述动力轴110轴线间隔相对设置的平衡导轨，所述平衡导轨的轨迹为环绕所述动 力轴110轴线的闭合曲线，且所述平衡导轨的波峰沿所述动力轴110的轴线方向与所述往复导轨的波谷相对，所述平衡导轨的波谷沿所述动力轴110的轴线方向与所述往复导轨的波峰相对；所述平衡导轨上设置有平衡体150，平衡体150与限位体121沿所述动力轴110的轴线方向相对设置，当所述动力轴110转动时，所述平衡体150与所述限位体121相向或相背移动。
当驱动动力轴110转动时，平衡体150沿着平衡导轨的轨迹移动，限位体121沿着往复导轨的轨迹移动，以使平衡体150与往复套122沿动力轴110的轴线方向相对或相背移动，进而使得平衡体150的加速度产生的力能够与往复套122的加速度产生的力相互抵消，避免单独设置往复套122而导致对动力轴110产生轴向振动的力。通过平衡体150能够避免往复套122及动力轴110的轴向振动，提高传动的稳定性。
在本实施例中，所述平衡导轨与所述往复导轨的结构一致，平衡体150与限位体121的数量相一致，一限位体121沿着动力轴110的轴线方向与一平衡体150相对设置。通过设置平衡导轨与往复导轨一致，进而能够保证平衡体150在平衡导轨上移动的顺滑程度，且保证平衡体150能够有效平衡限位体121产生的轴向加速度，避免振动的产生。
上述充气泵10不仅结构紧凑，且有利于小型化设计，便于携带。同时上述充气泵10的充气效率更高。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本实用新型的几种实施方式，其描述较为具体和 详细，但并不能因此而理解为对实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。因此，本实用新型专利的保护范围应以所附权利要求为准。
在本实用新型的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本实用新型的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本实用新型中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
在本实用新型中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特 征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“上”、“下”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。

Claims (10)

  1. 一种充气泵，其特征在于，所述充气泵包括：
    往复组件；
    压缩组件，所述压缩组件包括气缸及活塞，所述气缸内形成有压缩腔，且所述气缸上开设有两个进气通道及两个排气通道，两个所述进气通道与两个所述排气通道均与所述压缩腔连接，所述活塞设置于所述压缩腔内，一所述进气通道与一所述排气通道与所述活塞一侧的所述压缩腔连通，另一所述进气通道与另一所述排气通道与所述活塞相背对的另一侧的所述压缩腔连通；所述活塞连接于所述往复组件，所述往复组件用于驱动所述活塞往复移动；及
    充气组件，所述充气组件包括充气管，所述充气管设置于所述气缸上，且各个所述排气通道均与所述充气管内的空间连通。
  2. 根据权利要求1所述的充气泵，其特征在于，所述充气组件还包括连接件，所述连接件内形成有连接通道，所述连接件上开设有两个与所述连接通道连通的连接口，所述连接件设置于所述气缸的外壁上，以使两个所述连接口分别连接于两个所述排气通道处，所述连接件上还开设有与所述连接通道连通的充气口，所述充气管连接于所述充气口处。
  3. 根据权利要求2所述的充气泵，其特征在于，所述充气组件还包括压力传感器，所述压力传感器设置于所述连接件上，所述压力传感器用于检测所述连接通道内的气压。
  4. 根据权利要求3所述的充气泵，其特征在于，还包括显示件，所述显示件电性连接于所述压力传感器，所述压力传感器用于传输压力数据至所述显示件。
  5. 根据权利要求4所述的充气泵，其特征在于，还包括壳体，所述往复组件及所述压缩组件均设置于所述壳体内，所述充气管由所述壳体伸出，所述显 示件设置于所述壳体的外壁上。
  6. 根据权利要求1-5任一项所述的充气泵，其特征在于，所述气缸包括缸本体、第一通气件及第二通气件，所述第一通气件与所述第二通气件分别设置于所述缸本体的相对两侧；所述缸本体内形成有压缩腔，一所述进气通道与一所述排气通道形成于所述第一通气件上，另一所述进气通道与另一所述排气通道形成于所述第二通气件上；所述往复组件设置于所述第一通气件背向于所述缸本体的一侧。
  7. 根据权利要求6所述的充气泵，其特征在于，所述第一通气件背向于所述缸本体的一侧形成有安装腔，且所述安装腔的内壁上开设有与所述压缩腔连通的驱动孔，所述往复组件设置于所述安装腔内，并通过所述驱动孔连接所述活塞。
  8. 根据权利要求7所述的充气泵，其特征在于，所述往复组件包括动力轴、往复件及动力源，所述往复件与所述动力轴传动配合并设置于所述安装腔内，所述活塞穿设于所述驱动孔并连接于所述往复件，所述动力源用于驱动所述动力轴转动，以通过所述往复件带动所述活塞沿所述动力轴的轴线方向往复移动。
  9. 根据权利要求8所述的充气泵，其特征在于，所述动力轴上设置有往复导轨，所述往复导轨的轨迹为环绕所述动力轴轴线的闭合曲线，且所述往复导轨的波峰与波谷沿所述动力轴的轴线间隔设置；所述往复件包括限位体及往复套，所述往复套套设于所述动力轴上，所述限位体定位于所述往复套上并与所述往复导轨导向配合，所述动力源用于驱动所述动力轴转动，以使所述限位体在所述往复导轨沿着所述往复导轨的轨迹移动；所述活塞连接于所述往复套。
  10. 根据权利要求9所述的充气泵，其特征在于，所述动力轴上还设置有与所述往复导轨沿所述动力轴轴线间隔相对设置的平衡导轨，所述平衡导轨的 轨迹为环绕所述动力轴轴线的闭合曲线，且所述平衡导轨的波峰沿所述动力轴的轴线方向与所述往复导轨的波谷相对，所述平衡导轨的波谷沿所述动力轴的轴线方向与所述往复导轨的波峰相对；所述平衡导轨上设置有平衡体，所述平衡体与所述限位体沿所述动力轴的轴线方向相对设置，当所述动力轴转动时，所述平衡体与所述限位体相向或相背移动。
PCT/CN2023/106148 2022-07-06 2023-07-06 充气泵 WO2024008161A1 (zh)

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