WO2024007904A1 - 弹性驱动活塞泵 - Google Patents

弹性驱动活塞泵 Download PDF

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Publication number
WO2024007904A1
WO2024007904A1 PCT/CN2023/102989 CN2023102989W WO2024007904A1 WO 2024007904 A1 WO2024007904 A1 WO 2024007904A1 CN 2023102989 W CN2023102989 W CN 2023102989W WO 2024007904 A1 WO2024007904 A1 WO 2024007904A1
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WIPO (PCT)
Prior art keywords
piston
rotor
rod
spring
cylinder
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Application number
PCT/CN2023/102989
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English (en)
French (fr)
Inventor
汤斌
Original Assignee
汤斌
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.)
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Publication date
Priority claimed from CN202210770819.0A external-priority patent/CN115076061A/zh
Priority claimed from CN202210971031.6A external-priority patent/CN115434887A/zh
Application filed by 汤斌 filed Critical 汤斌
Publication of WO2024007904A1 publication Critical patent/WO2024007904A1/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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/06—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means including spring- or weight-loaded lost-motion devices

Definitions

  • the invention relates to positive displacement pumps, engines and transmission mechanisms, especially in the fields of plunger pumps, vacuum pumps, compression pumps, air compressors, fans, transfer pumps, gas turbines, internal combustion engines, turbines, metering pumps and linear transmission.
  • Positive displacement pumps mainly use changes in cavity volume to suck in and squeeze out fluid, and at the same time complete the energy conversion process.
  • a liquid turbine or gas turbine device converts the kinetic energy and potential energy of the fluid into mechanical energy.
  • the existing crank-connecting rod piston positive displacement pump has shortcomings such as large size, large vibration, poor stability, and direct lateral force from the piston to the cylinder, resulting in poor sealing effect and service life. It is mostly used in lower speed and small and medium power conditions.
  • the invention reduces the volume and quality of the device, improves the efficiency of the device, reduces the number of parts and components of the device, and reduces the processing difficulty and cost of the device. It can be applied to high, medium and low power and high, medium and low speed working conditions, and has high The advantages of high performance and reliability eliminate the direct lateral force of the piston on the cylinder, reduce the mass of the reciprocating parts, optimize the transmission process and improve the transmission efficiency, effectively reduce the additional load of the moving parts, reduce vibration and noise.
  • An elastically driven piston pump includes a cylinder, a spring, a first piston, a first rotor, a first rod, a second piston, a second rotor, a second rod, and an eccentric transmission shaft.
  • the eccentric transmission shaft is provided On the cylinder, the first rotor and the second rotor are both arranged on the eccentric transmission shaft, the first rod is arranged on the first piston, the second rod is arranged on the second piston, and one end of the spring is arranged on On the first rod or the first piston, the other end of the spring is set on the second rod or the second piston.
  • An elastically driven piston pump includes a cylinder, a spring, a first piston, a first rotor, a first rod, a second piston, a second rotor, a second rod, a sliding bearing, and an eccentric transmission shaft.
  • the above-mentioned eccentric transmission shaft is arranged on the cylinder, the first rotor and the second rotor are both arranged on the eccentric transmission shaft, the first rod is arranged on the first piston, and the second rod is arranged on the second piston.
  • the spring is set on the first rod or the first piston through the transmission belt and is also set on the second rod or the second piston. The first rod and the second rod slide in two sliding bearings respectively.
  • An elastically driven piston pump includes a cylinder, a first piston, a first rotor, a spring, and an eccentric drive shaft.
  • the number of the eccentric drive shafts is two and they are arranged in parallel on the cylinder.
  • the number of first rotors is 2 and are respectively arranged on two eccentric transmission shafts.
  • the first rotor rolls or slides on the first piston.
  • Gears or pulleys and other transmission mechanisms are provided on the two eccentric transmission shafts so that the two first rotors can move at the same time.
  • the two first rotors jointly drive the first piston to move upward, and the two ends of the spring are respectively arranged on the first piston and the cylinder, or the spring is arranged on the transmission belt, and the transmission belt passes through
  • the eccentric transmission shaft is arranged on the first piston.
  • An elastically driven piston pump includes a cylinder, a first piston, a second piston, a first rotor, a second rotor, a spring, and an eccentric drive shaft.
  • the number of the eccentric drive shafts is two and they are arranged in parallel on the cylinder.
  • the number of first rotors is 2 and they are respectively arranged on two eccentric transmission shafts.
  • the number of second rotors is 2 and they are respectively arranged on two eccentric transmission shafts.
  • the first rotor and the second rotor are respectively on The first piston and the second piston roll or slide on the two eccentric transmission shafts, and transmission mechanisms such as gears or pulleys are arranged on the two eccentric transmission shafts to make the two first rotors rotate in the same direction or reversely synchronously, and the two second rotors rotate in the same direction.
  • the two ends of the spring are set on the first piston and the second piston respectively, or the spring is set on the transmission belt, and the transmission belt is set on the first piston and the second piston through the wheel on the cylinder, the first The piston always maintains a pressurized contact state with the first rotor under the action of the spring, and the second piston always maintains a pressurized contact state with the second rotor under the action of the spring.
  • the beneficial effect of adopting the above technical solution is: by fixing the rod on the piston, A sliding bearing is installed on the cylinder, so that the rod is restricted from reciprocating movement in the sliding bearing. Under the action of the spring, the working surfaces of the rotor and the piston remain in pressure contact and drive each other, eliminating the lateral pressure of the piston and the friction between the piston and the rotor. Reversing impact, especially the installation of two eccentric drive shafts, which are linked through a gear mechanism or a pulley mechanism to cause the two first rotors set on the eccentric drive shaft to rotate in opposite directions or in the same direction, and the driving function of the piston The force is located between a pair of rotors. The piston is in a controlled dynamic motion state without lateral force or torsion force.
  • a spring is provided on the piston.
  • the spring drives the piston to change the direction of movement while keeping the rotor and piston in pressure contact. state, thereby greatly reducing the vibration and noise of the equipment, greatly improving the sealing effect of the piston and the life of the seal, and greatly reducing the friction loss, especially when the spring is set between the two pistons, the spring force Basically remains unchanged, the expansion and contraction size of the spring basically does not change during the working process, and the reliability of the spring is greatly improved to meet the needs of various power working conditions.
  • the invention Compared with the piston pump with a crank connecting rod structure, under the same working conditions, the invention The structure reduces the number, volume and mass of parts of the reciprocating components, and reduces vibration and additional loads due to inertia.
  • Figure 1 is a schematic three-dimensional view of an elastically driven piston pump according to the present invention.
  • FIG. 2 is a schematic diagram of the combined structure of two embodiments in FIG. 1 .
  • Figure 3 is another three-dimensional schematic view of an elastically driven piston pump according to the present invention.
  • Figure 4 is a second perspective view of an elastically driven piston pump according to the present invention.
  • FIG. 5 is a schematic diagram of another body structure of the spring arrangement in the embodiment of FIG. 4 .
  • FIG. 6 is a schematic structural diagram of the piston provided with a curved surface in the embodiment of FIG. 4 .
  • Figure 7 is a third structural schematic diagram of an elastically driven piston pump according to the present invention.
  • Figure 8 is a fourth structural schematic diagram of an elastically driven piston pump according to the present invention.
  • the marks in the picture are: 1-cylinder block, 25-curved track, 4-rod, 5-spring, 52-transmission belt, 6-sliding bearing, 7- Eccentric drive shaft, 21-first piston, 31-first rotor, 41-first rod, 22-second piston, 32-second rotor, 42-second rod.
  • Figures 1, 2, and 3 reveal the elastically driven piston pump of the present invention, which includes a cylinder, a spring, a first piston, a first rotor, a first rod, and a first rod. Two pistons, a second rotor, a second rod, and an eccentric transmission shaft.
  • the eccentric transmission shaft is arranged on the cylinder.
  • the first rotor and the second rotor have the same parameters and are coaxially arranged on the eccentric transmission shaft.
  • the rod and the second rod are respectively arranged on the first piston and the second piston and slide in the sliding bearing. Both ends of the spring are respectively arranged on the first rod and the second rod.
  • the first rotor is When the first piston rolls on and drives the first piston to move downward, the spring drives the second piston to move downward.
  • the spring drives The first piston moves upward.
  • the first rotor and the second rotor are coaxially arranged.
  • a cylinder liner, valves and other components are arranged on the cylinder to form a double-piston positive displacement pump.
  • the first piston and the second piston are arranged in parallel. Both ends of the spring are respectively arranged on the first piston and the second piston through a transmission belt.
  • the transmission belt is arranged on the steering wheel and changes the direction of the force through the steering wheel.
  • Figures 4, 5 and 6 reveal another elastically driven piston pump of the present invention, which includes a cylinder, a first piston, a first rotor, a spring, and an eccentric transmission shaft.
  • the number of the eccentric transmission shafts is 2 and they are arranged in parallel on the cylinder
  • the number of the first rotors is 2 and they are respectively arranged on the 2 eccentric transmission shafts
  • a gear transmission mechanism is provided on the two eccentric transmission shafts to cause the two first rotors to rotate synchronously in opposite directions.
  • the two first rotors jointly drive the piston to move upward.
  • the two ends of the spring are respectively set on the first piston and the cylinder.
  • the spring drives the first piston to move downward.
  • the first piston maintains pressure contact with the first rotor and drives each other.
  • the plane formed by the axes of the two first rotors is moving. During the process, it is perpendicular to the first piston axis.
  • the structure of the present invention avoids the interruption of power and the vibration and reversal impact caused by changes in the direction of the force.
  • the solution of this embodiment has a simple structure and fewer reciprocating components. , small mass, good sealing performance, long life, high efficiency and other advantages.
  • the spring forms a flexible elastic transmission member through a transmission belt and is arranged on the piston. At both ends, the transmission belt also changes the direction of action through the steering wheel.
  • the spring drives the first piston to move downward and keeps the first piston and the first rotor in pressure contact.
  • the structure of this embodiment is simple, the deformation of the spring is small, and the reliability is high. .
  • the first piston is provided with a curved track.
  • the rolling motion of the first rotor on the curved track can increase the force area of the rotor and the piston.
  • the transmission effect can be changed by adjusting the curved surface of the curved track. For example, it can be adjusted when used in an engine. The time when the engine is in constant volume combustion can optimize the engine torque output effect.
  • Figures 7 and 8 reveal an elastically driven piston pump with a pair of pistons working, which is characterized by including a cylinder, a first piston, a second piston, a first rotor, a third Two rotors, springs, and eccentric transmission shafts.
  • the number of the eccentric transmission shafts is 2 and they are arranged in parallel on the cylinder.
  • the number of the first rotors is 2 and they are respectively arranged on the 2 eccentric transmission shafts.
  • the second The number of rotors is 2 and they are respectively arranged on 2 eccentric drive shafts.
  • the first rotor and the second rotor roll on the first piston and the second piston respectively. Gears are set on the 2 eccentric drive shafts.
  • the first piston and the second piston are arranged in parallel, and the two ends of the spring are respectively arranged on the first piston and the second piston through a transmission belt.
  • the transmission belt is arranged on the steering wheel and changes the direction of the force through the steering wheel.
  • a cylinder liner, seals, valves and other components are provided on the cylinder body to form a piston positive displacement pump.
  • the spring is an elastic component such as a metal spring, a hydraulic spring, an electromagnetic spring, or an air spring.
  • the transmission force can be increased.
  • the present invention can input or output power to liquid and gas, and can also be used as a linear reciprocating transmission mechanism.
  • the rotor is a swing rotor, and the rotor may be composed of bearing bushes.
  • the reciprocating swing angle of the swing rotor is less than 120 degrees.
  • a spring strength adjusting device is provided on the spring.
  • the sliding bearing is a moving component that performs linear reciprocating motion with the transmission shaft, guide rod, and rod member.
  • the transmission force can be improved.
  • the first rod is slidably disposed on the second rod.
  • the number of the elastically driven piston pumps is two and they are arranged on the same eccentric transmission shaft at the same time. Their piston movements have the same eccentricity and opposite movement directions.
  • the transmission belt can be a flexible transmission component such as a rope, steel wire, steel belt, synchronous belt, etc.
  • the working phase difference between the first piston and the second piston can be 60 degrees, 120 degrees, etc., that is, the first piston and the second piston can be upward or downward at the same time within a certain time interval.
  • the spring is alternately in two working states: stretching and shortening.
  • the cylinder is provided with a sliding bearing, and the first rod member or the second rod member slides on the sliding bearing.
  • the first piston or the second piston is provided with a curved track.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

一种弹性驱动活塞泵，包括缸体、弹簧、第一活塞、第一转子、第一杆件、第二活塞、第二转子、第二杆件、偏心传动轴，所述的偏心传动轴设置在缸体上，第一转子和第二转子都设置在偏心传动轴上，第一杆件设置在第一活塞上，第二杆件设置在第二活塞上，所述的弹簧的一端设置在第一杆件或第一活塞上，弹簧的另一端设置在第二杆件或第二活塞上，第一转子在第一活塞上滚动或滑动驱动第一活塞向下运动时，所述的弹簧驱动第二杆件及第二活塞向下运动，所述的第二转子在所述的第二活塞上滚动或滑动驱动第二活塞向上运动时，所述的弹簧驱动第一杆件及第一活塞向上运动。

Description

弹性驱动活塞泵 技术领域
本发明涉及容积泵、发动机及传动机构，尤其是柱塞泵、真空泵、压缩泵、空压机、风机、输送泵、燃气轮机、内燃机、透平机、计量泵及直线传动等领域。
背景技术
容积泵主要利用腔体容积的变化来吸入和挤出流体，同时完成能量转换过程，比如液体透平或气体透平装置将流体的动能及势能转换成机械能。现有的曲柄连杆活塞容积泵存在体积大、振动大、稳定性差、活塞对气缸存在直接侧向作用力导致密封效果及寿命差等缺点，多用于较低转速及中小功率工况。
发明内容
本发明减小了装置的体积及质量，提高了装置的效率，减少了装置的零部件构件数量，降低了装置的加工难度及成本，可适用于高中低功率及高中低转速工况，具有高性能高可靠性优点，消除了活塞对气缸的直接侧向作用力，减小了往复运动部件的质量及优化传动过程及提高传动效率，有效的减少了运动部件的附加载荷，减小了振动及噪音。
为实现上述目的，本发明提供以下的技术方案：
一种弹性驱动活塞泵，包括缸体、弹簧、第一活塞、第一转子、第一杆件、第二活塞、第二转子、第二杆件、偏心传动轴，所述的偏心传动轴设置在缸体上，第一转子和第二转子都设置在偏心传动轴上，第一杆件设置在第一活塞上，第二杆件设置在第二活塞上，所述的弹簧的一端设置在第一杆件或第一活塞上，弹簧的另一端设置在第二杆件或第二活塞上，第一转子在第一活塞上滚动或滑动驱动第一活塞向下运动时，所述的弹簧驱动第二杆件及第二活塞向下运动，所述的第二转子在所述的第二活塞上滚动或滑动驱动第二活塞向上运动时，所述的弹簧驱动第一杆件及第一活塞向上运动。
一种弹性驱动活塞泵，包括缸体、弹簧、第一活塞、第一转子、第一杆件、第二活塞、第二转子、第二杆件、滑动轴承、偏心传动轴，所 述的偏心传动轴设置在缸体上，第一转子和第二转子都设置在偏心传动轴上，第一杆件设置在第一活塞上，第二杆件设置在第二活塞上，所述的弹簧通过传动带设置在第一杆件或第一活塞上同时也设置在第二杆件或第二活塞上，第一杆件和第二杆件分别在两个的滑动轴承内滑动，第一转子在第一活塞上滚动或滑动驱动第一活塞向上运动时，所述的弹簧驱动第二杆件及第二活塞向下运动，所述的第二转子在所述的第二活塞上滚动或滑动驱动第二活塞向上运动时，所述的弹簧驱动第一杆件及第一活塞向下运动。
一种弹性驱动活塞泵，包括缸体、第一活塞、第一转子、弹簧、偏心传动轴，所述的偏心传动轴的数量为2个且平行设置在缸体上，第一转子的数量为2个且分别设置在2个偏心传动轴上，第一转子在所述的第一活塞上滚动或滑动，在2个偏心传动轴上设置齿轮或带轮等传动机构使2个第一转子同向或反向同步转动，所述的2个第一转子共同驱动第一活塞向上运动，所述的弹簧的两端分别设置在第一活塞和缸体上，或者弹簧设置在传动带上，传动带通过偏心传动轴设置在第一活塞上，当第一活塞向上运动结束后弹簧驱动第一活塞向下运动，第一活塞在弹簧的作用下对第一转子始终保持受压接触状态。
一种弹性驱动活塞泵，包括缸体、第一活塞、第二活塞、第一转子、第二转子、弹簧、偏心传动轴，所述的偏心传动轴的数量为2个且平行的设置在缸体上，第一转子的数量为2个且分别设置在2个偏心传动轴上，第二转子的数量为2个且分别设置在2个偏心传动轴上，第一转子和第二转子分别在第一活塞和第二活塞上滚动或滑动，在2个偏心传动轴上设置齿轮或带轮等传动机构使2个第一转子同向转动或反向同步转动，2个第二转子同向转动或反向同步转动，弹簧的两端分别设置在第一活塞和第二活塞上，或者弹簧设置在传动带上，传动带通过位于缸体上的轮子设置在第一活塞和第二活塞上，第一活塞在弹簧的作用下对第一转子始终保持受压接触状态，第二活塞在弹簧的作用下对第二转子始终保持受压接触状态。
采用以上技术方案的有益效果是：通过在活塞上固定设置杆件，在 缸体上设置滑动轴承，使杆件被限制在滑动轴承内往复运动，在弹簧的作用下转子与活塞的工作面一直保持受压接触并相互驱动消除了活塞的侧向压力及活塞和转子的换向冲击，尤其是设置2个偏心传动轴，2个偏心传动轴通过齿轮机构或皮带轮机构联动，使设置在偏心传动轴上的2个第一转子反向或同向转动，活塞的驱动作用力位于一对转子之间，活塞处于无侧向作用力及无扭转作用力的受控动运动状态，在活塞上设置有弹簧，弹簧驱动活塞改变运动方向同时使转子和活塞一直保持受压接触状态，由此及大的减少了设备的振动及噪音，大幅度提高了活塞的密封效果及密封件寿命同时大幅度减少了摩擦损失，尤其当弹簧设置在两个活塞之间时，弹簧作用力基本保持不变，弹簧在工作过程中伸缩尺寸基本没有改变，弹簧的可靠性大幅度提高可满足各种动力工况需求，和曲柄连杆结构的活塞泵对比，在相同工况下，本发明结构减少了往复部件构件的零件数量、体积和质量，减少了由于惯性产生的振动和附加载荷。
附图说明
图1是本发明一种弹性驱动活塞泵的一种立体示意图。
图2是2个图1实施例的组合结构形式的示意图。
图3是本发明一种弹性驱动活塞泵的另一种立体示意图。
图4是本发明一种弹性驱动活塞泵的第二种立体示意图。
图5是图4实施例弹簧设置的另一种体结构的示意图。
图6是图4实施例活塞设置有曲面的结构示意图。
图7是本发明一种弹性驱动活塞泵的第三种结构示意图。
图8是本发明一种弹性驱动活塞泵的第四种结构示意图。
图中标记是：
1-缸体，25-曲面轨道，4-杆件，5-弹簧，52-传动带，6-滑动轴承，7-
偏心传动轴，21-第一活塞，31-第一转子，41-第一杆件，22-第二活塞，32-第二转子，42-第二杆件。
具体实施方式
下面结合附图详细说明本发明的弹性驱动活塞泵的优选实施方式。
请参见图1、图2、图3，图1、图2、图3揭示的是本发明的弹性驱动活塞泵，包括缸体、弹簧、第一活塞、第一转子、第一杆件、第二活塞、第二转子、第二杆件、偏心传动轴，其中偏心传动轴设置在缸体上，第一转子和第二转子参数相同且都同轴心的设置在偏心传动轴上，第一杆件和第二杆件分别设置在第一活塞和第二活塞上且在滑动轴承内滑动，弹簧的两端分别设置在第一杆件和第二杆件上，所述的第一转子在第一活塞上滚动并驱动第一活塞向下运动时，弹簧驱动第二活塞向下运动，所述的第二转子在所述的第二活塞上滚动并驱动第二活塞向上运动时，弹簧驱动第一活塞向上运动，本实施例中第一转子和第二转子同轴心设置，在缸体上设置缸套、阀门等构件构成双活塞容积泵。
请参见图3，第一活塞和第二活塞平行设置，弹簧的两端通过传动带分别设置在第一活塞和第二活塞上，传动带设置在转向轮上并通过转向轮改变作用力方向，在第一转子驱动第一活塞向上运动时弹簧驱动第二活塞向下运动，在第二转子驱动第二活塞向上运动时弹簧驱动第一活塞向下运动。
请参见图4、图5和图6，图4、图5和图6揭示的是本发明的另一种弹性驱动活塞泵，包括缸体、第一活塞、第一转子、弹簧、偏心传动轴，所述的偏心传动轴的数量为2个且平行设置在缸体上，第一转子的数量为2个且分别设置在2个偏心传动轴上，第一转子在所述的活塞上滚动，在2个偏心传动轴上设置有齿轮传动机构使2个第一转子反向同步转动，2个第一转子共同驱动活塞向上运动，弹簧的两端分别设置在第一活塞和缸体上，当第一活塞向上运动结束后弹簧驱动第一活塞向下运动，第一活塞在弹簧的作用下对第一转子保持受压接触、相互驱动的状态，两个第一转子的轴线构成的平面在运动过程中垂直于第一活塞轴线，和曲柄连杆结构对比本发明结构避免了动力的中断及作用力方向改变导致的振动及换向冲击，本实施例的方案具有结构简单，往复运动的构件少，质量小，密封性能好，寿命长，效率高等优点。
图5实施例中弹簧通过传动带构成柔性弹性传动构件设置在活塞的 两端，传动带同时还通过转向轮改变作用方向，弹簧驱动第一活塞向下运动并使第一活塞和第一转子始终保持受压接触，本实施例的结构简单，弹簧的形变小可靠性高。
图6实施例中第一活塞上设置有曲面轨道，第一转子在曲面轨道上滚动运动可提高转子和活塞作用力面积，通过调整曲面轨道的曲面可改变传动效果，比如应用于发动机时可调整发动机处于等容燃烧的时间，可优化发动机扭矩输出效果。
请参见图7、图8，图7和图8揭示的是一种具有成对活塞工作的弹性驱动活塞泵，其特征在于，包括缸体、第一活塞、第二活塞、第一转子、第二转子、弹簧、偏心传动轴，所述的偏心传动轴的数量为2个且平行的设置在缸体上，第一转子的数量为2个且分别设置在2个偏心传动轴上，第二转子的数量为2个且分别设置在2个偏心传动轴上，第一转子和第二转子分别在第一活塞和第二活塞上滚动，在2个偏心传动轴上设置齿轮，此时2个第一转子反向转动，2个第二转子反向转动，第一活塞和第二活塞同心设置，弹簧设置在第一活塞和第二活塞上，在第一转子驱动第一活塞向上运动时弹簧驱动第二活塞向上运动，在第二转子驱动第二活塞向下运动时弹簧驱动第一活塞向下运动。
图8实施例中，第一活塞和第二活塞平行设置，弹簧的两端通过传动带分别设置在第一活塞和第二活塞上，传动带设置在转向轮上并通过转向轮改变作用力方向，在第一转子驱动第一活塞向上运动时弹簧驱动第二活塞向下运动，在第二转子驱动第二活塞向上运动时弹簧驱动第一活塞向下运动。
优选的，在缸体上设置缸套、密封件、阀门等构件构成活塞容积泵。
优选的，所述的弹簧是金属弹簧、液压弹簧、电磁弹簧、空气弹簧等弹性构件。
优选的，转子3为滑块式转子时可提高传动作用力。
优选的，本发明可对液体及气体输入或输出动力，也可作为直线往复传动机构。
优选的，所述的转子为摆动式转子，转子可由轴瓦构成。
优选的，所述的摆动式转子的往复摆动角度小于120度。
优选的，在所述的弹簧上设置有弹簧力度调节装置。
优选的，所述的滑动轴承是一种和传动轴、导杆、杆件作直线往复运动的运动构件。
优选的，所述的转子为滑块、活塞为平面轨道时可提高传动作用力。
优选的，第一杆件可滑动地设置在第二杆件上。
优选的，所述的弹性驱动活塞泵的数量为2个且同时设置在同一偏心传动轴上，其活塞运动偏心距相同，运动方向相反。
优选的，所述的传动带可以绳子，钢丝，钢带，同步带等柔性传动构件。
优选的，根据不同的设计需要，第一活塞和第二活塞的工作相位差可以是60度、120度等角度，即第一活塞和第二活塞在一定的时间区间内可同时处于向上或向下运动，弹簧交替处于拉伸和缩短两种工作状态。
优选的，缸体上设置有滑动轴承，第一杆件或和第二杆件在所述的滑动轴承上滑动。
优选的，第一活塞或和第二活塞上设置有曲面轨道。
以上所述的实施例仅是对本发明的优选实施方式进行描述，本领域技术人员对本发明技术方案做出的各种应用和改进，均应落入本发明权利要求书确定的保护范围。

Claims (15)

  1. 一种弹性驱动活塞泵，其特征在于，包括缸体(1)、弹簧(5)、第一活塞(21)、第一转子(31)、第一杆件(41)、第二活塞(22)、第二转子(32)、第二杆件(42)、偏心传动轴(7)，所述的偏心传动轴(7)设置在缸体(1)上，第一转子(31)和第二转子(32)都设置在偏心传动轴(7)上，第一杆件(41)设置在第一活塞(21)上，第二杆件(42)设置在第二活塞(22)上，所述的弹簧(5)的一端设置在第一杆件(41)或第一活塞(21)上，弹簧(5)的另一端设置在第二杆件(42)或第二活塞(22)上，第一转子(31)在第一活塞(21)上滚动或滑动驱动第一活塞(21)向下运动时，所述的弹簧(5)驱动第二杆件(42)及第二活塞(22)向下运动，所述的第二转子(32)在所述的第二活塞(22)上滚动或滑动驱动第二活塞(22)向上运动时，所述的弹簧(5)驱动第一杆件(41)及第一活塞(21)向上运动。
  2. 根据权利要求1所述的一种弹性驱动活塞泵，其特征在于：所述的缸体(1)上设置有滑动轴承(6)，第一杆件(41)或和第二杆件(42)在所述的滑动轴承(6)上滑动。
  3. 根据权利要求1所述的一种弹性驱动活塞泵，其特征在于：所述的第一杆件(41)可滑动地设置在第二杆件(42)上。
  4. 根据权利要求1所述的一种弹性驱动活塞泵，其特征在于：所述的第一活塞(21)或和第二活塞(22)上设置有曲面轨道。
  5. 一种弹性驱动活塞泵，其特征在于，包括缸体(1)、弹簧(5)、第一活塞(21)、第一转子(31)、第一杆件(41)、第二活塞(22)、第二转子(32)、第二杆件(42)、滑动轴承(6)、偏心传动轴(7)，所述的偏心传动轴(7)设置在缸体(1)上，第一转子(31)和第二转子(32)都设置在偏心传动轴(7)上，第一杆件(41)设置在第一活塞(21)上，第二杆件(42)设置在第二活塞(22)上，所述的弹簧(5)通过传动带设置在第一杆件(41)或第一活塞(21)上同时也设置在第二杆件(42)或第二活塞(22)上，第一杆件(41)和第二杆件(42)分别在两个的滑动轴承(6)内滑动，第一转子(31) 在第一活塞(21)上滚动或滑动驱动第一活塞(21)向上运动时，所述的弹簧(5)驱动第二杆件(42)及第二活塞(22)向下运动，所述的第二转子(32)在所述的第二活塞(22)上滚动或滑动驱动第二活塞(22)向上运动时，所述的弹簧(5)驱动第一杆件(41)及第一活塞(21)向下运动。
  6. 根据权利要求5所述的一种弹性驱动活塞泵，其特征在于：所述的第一活塞(21)或和第二活塞(22)上设置有曲面轨道。
  7. 根据权利要求5所述的一种弹性驱动活塞泵，其特征在于：所述的弹性驱动活塞泵的数量大于2个。
  8. 一种弹性驱动活塞泵，其特征在于，包括缸体(1)、第一活塞(21)、第一转子(31)、弹簧(5)、偏心传动轴(7)，所述的偏心传动轴(7)的数量为2个且平行设置在缸体(1)上，第一转子(31)的数量为2个且分别设置在2个偏心传动轴(7)上，第一转子(31)在所述的第一活塞(21)上滚动或滑动，在2个偏心传动轴(7)上设置齿轮或带轮等传动机构使2个第一转子(31)同向或反向同步转动，所述的2个第一转子(31)共同驱动第一活塞(21)向上运动，所述的弹簧(5)的两端分别设置在第一活塞(21)和缸体(1)上，或者弹簧(5)设置在传动带(52)上，传动带(52)通过偏心传动轴(7)设置在第一活塞(21)上，当第一活塞(21)向上运动结束后弹簧(5)驱动第一活塞(21)向下运动，第一活塞(21)在弹簧(5)的作用下对第一转子(31)始终保持受压接触状态。
  9. 根据权利要求8所述的一种弹性驱动活塞泵，其特征在于：所述的第一转子(31)为摆动式转子。
  10. 根据权利要求8所述的一种弹性驱动活塞泵，其特征在于：所述的第一活塞(21)上设置有曲面轨道。
  11. 一种弹性驱动活塞泵，其特征在于，包括缸体(1)、第一活塞(21)、第二活塞(22)、第一转子(31)、第二转子(32)、弹簧(5)、偏心传动轴(7)，所述的偏心传动轴(7)的数量为2个且平行的设置在缸体(1)上，第一转子(31)的数量为2个且分别设置 在2个偏心传动轴(7)上，第二转子(32)的数量为2个且分别设置在2个偏心传动轴(7)上，第一转子(31)和第二转子(32)分别在第一活塞(21)和第二活塞(22)上滚动或滑动，在2个偏心传动轴(7)上设置齿轮或带轮等传动机构使2个第一转子(31)同向转动或反向同步转动，2个第二转子(32)同向转动或反向同步转动，弹簧(5)的两端分别设置在第一活塞(21)和第二活塞(22)上，或者弹簧(5)设置在传动带(52)上，传动带(52)通过位于缸体(1)上的轮子(53)设置在第一活塞(21)和第二活塞(22)上，第一活塞(21)在弹簧(5)的作用下对第一转子(31)始终保持受压接触状态，第二活塞(22)在弹簧(5)的作用下对第二转子(32)始终保持受压接触状态。
  12. 根据权利要求11所述的一种弹性驱动活塞泵，其特征在于：所述的第一转子(31)为摆动式转子。
  13. 根据权利要求11所述的一种弹性驱动活塞泵，其特征在于：所述的第一活塞(21)和第二活塞(22)上设置有曲面轨道。
  14. 根据权利要求11所述的一种弹性驱动活塞泵，其特征在于：所述的弹性驱动活塞泵的数量大于2个。
  15. 根据权利要求11所述的一种弹性驱动活塞泵，其特征在于：在所述的第一活塞(21)上设置限位板，限位板和第一转子(31)相互作用以防止第一活塞(21)转动。
PCT/CN2023/102989 2022-07-02 2023-06-28 弹性驱动活塞泵 WO2024007904A1 (zh)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070068468A1 (en) * 2005-09-27 2007-03-29 Irick David K Rotary to reciprocal power transfer device
JP2014202123A (ja) * 2013-04-04 2014-10-27 Ntn株式会社 往復動圧縮機
CN211230737U (zh) * 2019-12-06 2020-08-11 平顶山市碧源科技有限公司 一种用于煤矿液压注浆泵的双活塞弹性联动注浆机构
CN111946584A (zh) * 2020-07-31 2020-11-17 王彦彬 一种压缩机
CN113883035A (zh) * 2021-10-27 2022-01-04 广西光裕新能源汽车空调压缩机有限公司 一种凸轮传动往复式压缩机
CN115076061A (zh) * 2022-07-02 2022-09-20 汤斌 弹性驱动活塞泵
CN115434887A (zh) * 2022-08-15 2022-12-06 汤斌 弹性驱动活塞泵
CN218151281U (zh) * 2022-07-02 2022-12-27 汤斌 弹性驱动活塞泵
CN219242129U (zh) * 2022-08-15 2023-06-23 汤斌 弹性驱动活塞泵

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070068468A1 (en) * 2005-09-27 2007-03-29 Irick David K Rotary to reciprocal power transfer device
JP2014202123A (ja) * 2013-04-04 2014-10-27 Ntn株式会社 往復動圧縮機
CN211230737U (zh) * 2019-12-06 2020-08-11 平顶山市碧源科技有限公司 一种用于煤矿液压注浆泵的双活塞弹性联动注浆机构
CN111946584A (zh) * 2020-07-31 2020-11-17 王彦彬 一种压缩机
CN113883035A (zh) * 2021-10-27 2022-01-04 广西光裕新能源汽车空调压缩机有限公司 一种凸轮传动往复式压缩机
CN115076061A (zh) * 2022-07-02 2022-09-20 汤斌 弹性驱动活塞泵
CN218151281U (zh) * 2022-07-02 2022-12-27 汤斌 弹性驱动活塞泵
CN115434887A (zh) * 2022-08-15 2022-12-06 汤斌 弹性驱动活塞泵
CN219242129U (zh) * 2022-08-15 2023-06-23 汤斌 弹性驱动活塞泵

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