WO2012109795A1 - 气缸结构 - Google Patents

气缸结构 Download PDF

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Publication number
WO2012109795A1
WO2012109795A1 PCT/CN2011/071075 CN2011071075W WO2012109795A1 WO 2012109795 A1 WO2012109795 A1 WO 2012109795A1 CN 2011071075 W CN2011071075 W CN 2011071075W WO 2012109795 A1 WO2012109795 A1 WO 2012109795A1
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WO
WIPO (PCT)
Prior art keywords
hole
air
cylinder
valve structure
accommodating space
Prior art date
Application number
PCT/CN2011/071075
Other languages
English (en)
French (fr)
Inventor
王嘉铭
Original Assignee
易斯拓克自动化股份有限公司
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 易斯拓克自动化股份有限公司 filed Critical 易斯拓克自动化股份有限公司
Priority to PCT/CN2011/071075 priority Critical patent/WO2012109795A1/zh
Publication of WO2012109795A1 publication Critical patent/WO2012109795A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
    • F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/065—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the rack-and-pinion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure

Definitions

  • the invention provides a cylinder structure, in particular to a technically provided cylinder matching control valve device, which achieves the effect of mutual conversion between a double-acting cylinder and a safety reset cylinder, and can respond to various situations of power supply or gas supply or not, An additional handwheel switch (gearbox) or piping is required to make an emergency switch when there is no gas.
  • An additional handwheel switch (gearbox) or piping is required to make an emergency switch when there is no gas.
  • the cylinder can utilize the returning power of the spring to drive the return of the rotor to open or close the valve. This is the so-called safety reset, and the torque of all outputs will decrease with the return of the spring; while the operation of the double-acting cylinder is generally based on the supply of the gas source, when there is a gas supply.
  • the valve body In the way of intake and exhaust, the valve body is opened or closed, but when there is no air source, the cylinder can not move, unlike the recovery power of the single-acting cylinder reliable spring, the valve body can be opened or closed, but double When the moving cylinder is supplied with air, the torque of the switch is much higher than that of the single-acting cylinder.
  • the traditional single-acting and double-acting cylinders generally have to rely on the solenoid valve. It fits to reach the valve on or off.
  • the traditional method is to install a handwheel switch (gearbox) at the bottom of the cylinder, so that it can be used as an emergency switch when there is no air source, but the space occupied by it
  • the cost of assembly and other considerations are all missing.
  • it is necessary to produce and stock two different cylinders, in order to meet the different needs of users, and to provide a single product. For double-action and single-action switching, it will increase the production type and inventory cost. Summary of the invention
  • the object of the present invention is to provide a cylinder structure.
  • a conventional single-acting cylinder generally relies on a compression spring and a returning power released by the compressed spring to drive the opening of the valve body. Or off, when there is a gas supply cylinder, the tension of the spring must be overcome to drive the rotor to open or close the valve body, so the effective torque will decrease as the resistance of the spring increases. In the absence of air supply.
  • the cylinder can utilize the returning power of the spring, which in turn drives the return of the rotor to open or close the valve.
  • the present invention provides a cylinder structure including a cylinder and a control valve device, the cylinder including a gas chamber and two pistons, and an active tooth row is disposed on the piston.
  • the actuating tooth row and a gear shaft are engaged with each other, so that when the piston moves, the actuating tooth row can be moved and the gear shaft is rotated simultaneously, so as to open and close the valve body, the control valve device is adapted to different situations.
  • the safety reset mode and the double-action mode control valve device can be quickly switched.
  • the control valve device is mainly composed of a valve structure portion, a solenoid valve structure portion and a switching portion, and the valve structure portion communicates with the cylinder
  • An air flow of a pressure source can be introduced into the air storage inside the cylinder, and the valve structure can change the direction of the airflow into and out of the cylinder through the control of the solenoid valve structure portion, thereby changing the rotation direction of the gear shaft, and can be switched through the switching portion.
  • the safety reset mode and the double-action mode enable the invention to quickly achieve the mutual conversion between the double-acting cylinder and the safety reset cylinder, without requiring another A gear box or pipe can be due to various conditions or gas supply or not.
  • the cylinder structure of the present invention can control the valve device to quickly realize the mutual conversion between the double-acting cylinder and the safety reset cylinder to meet the effects of various situations, and improve the conventional use of either single-acting cylinder or double acting.
  • the cylinder needs to be equipped with a gear box or piping in response to different situations, resulting in an increase in cost, a high maintenance rate, and a troublesome problem, and the invention can quickly and easily convert the double-acting cylinder and the safety reset cylinder, and the manufacturer does not need to spend money.
  • a large number of production lines for different components are developed.
  • dealers do not need to spend a lot of money to purchase single-acting and double-acting cylinders, which can effectively reduce inventory pressure.
  • Figure 1 is a perspective view of the present invention.
  • Figure 2 A partial schematic view of the cylinder of the present invention.
  • Figure 2A is a partial cross-sectional view of the cylinder of the present invention.
  • Figure 2B is a partial cross-sectional view of the cylinder of the present invention.
  • Fig. 3 is an exploded perspective view of the control valve device of the present invention.
  • FIG. 4 Another exploded view of the control valve device of the present invention.
  • FIG 5 Top view of the control valve device of the present invention.
  • FIG 5 A The control valve means is a schematic cross-sectional view of the present invention.
  • Fig. 5B is another schematic cross-sectional view of the control valve device of the present invention.
  • Figure 6 Side view of the control valve device of the present invention.
  • Figure 6A is a further cross-sectional view of the control valve device of the present invention.
  • FIG. 7A is a schematic diagram showing the normal operation of the safety reset mode according to an embodiment of the present invention.
  • Fig. 7B is a schematic view showing the operation of the safety return structure solenoid valve structure according to an embodiment of the present invention.
  • Fig. 7C is a schematic view showing the operation of the safety return mode of the air supply source according to an embodiment of the present invention.
  • FIG 8A is a schematic view showing the normal operation of the double action mode according to an embodiment of the present invention.
  • Fig. 8B is a schematic view showing the non-actuating portion of the double-action mode solenoid valve structure according to an embodiment of the present invention.
  • Fig. 8C is a schematic view showing the operation of the air supply source without air supply in the double-action mode according to an embodiment of the present invention. detailed description
  • the present invention provides a cylinder structure comprising: a cylinder 1 comprising a gas chamber 1 1 and a second piston 12, the two pistons 12 dividing the interior of the cylinder 1 a first accommodating space 1 7 and two second accommodating spaces 1 8 , the first accommodating space 17 is located between the two pistons 12 and the second accommodating space 18 is located at the two pistons 1 2 a side wall, wherein the air chamber 11 is disposed at two ends of the cylinder, and communicates with a connecting pipe 1 1 1 and is not in communication with the first and second receiving spaces 1 7 and 18;
  • An actuating tooth row 1 2 is disposed on the piston 1 2 toward the first accommodating space 17 , and a gear shaft 1 9 and the actuating tooth row 1 2 are disposed between the movable tooth row 1 2 1 .
  • 1 A hole position 1 3 and the 1 B hole position 14 are directly connected to the air chamber 1 1 , and the 1 A hole position 1 3 is embedded with a check valve, and the 1 C hole position is 15 through a first line 1 7 1 is in communication with the first accommodating space 17 , so that the airflow can enter the first accommodating space 17 to push the piston 12 to the second accommodating space 18, thereby making the gear shaft 1 9 reverse
  • the hour hand rotates to drive the valve body to open, and the 1 D hole position 16 communicates with the second accommodating space 18 through a second pipe 181 to allow airflow to enter the second accommodating space 18.
  • the piston 1 2 pushing the first accommodating space 17 to rotate the gear shaft 19 clockwise to close the valve body; and a control valve device 2 for quickly switching the safety reset mode according to different situations
  • the control valve device of the double-acting mode is mainly composed of a valve structure portion 21, a solenoid valve structure portion 23 and a switching portion 25, and the valve structure portion 21 is in communication with the cylinder 1 and can
  • the air flow of the air pressure source 3 is introduced into the air chamber 1 1 of the cylinder 1 , wherein the valve structure portion 1 1 can be provided with a gas chamber air inlet 2 1 1.
  • the double-action nozzle 2 5 2 is in communication with the switching portion 25, and the valve structure portion 2 1 is further provided with a No. 1 hole 215, a No. 2 hole 2 1 6 , a No. 3 hole 2 1 7 and a No. 4 hole.
  • the hole 1 2 5 is an air inlet hole and the 3 hole 2 2 7 and the The No. 5 hole 2 1 9 is a vent hole, and the relay hole 2 1 0 is located on the double-action line 2 1 4, and is determined according to the position change of the piston shaft 2 1 0 0 being pressed or not.
  • the airflow from the air chamber air outlet 2 1 2 should pass through the double-action line 2 1 4 and the second hole 2 1 6 or the 4 hole 2 1 8 , if the relay hole 210 and the second hole 2 2 1 6 communicates, the airflow will enter the first pipeline 1 7 of the cylinder 1 from the hole 1 2 6 of the cylinder 1 and the 1 C hole position 15 of the cylinder 1 so that the airflow can enter the first volume
  • the space 1 7 pushes the piston 12 to the second accommodating space 18, so that the gear shaft 19 rotates counterclockwise to drive the valve body (not shown) to open, if the relay hole 2 1 0 and 4 If the hole 2 1 8 is open, the air flow will enter the second line 1 8 1 of the cylinder 1 from the hole No.
  • the air flow can enter the second accommodating space 18 to push the piston 12 to the first accommodating space 17 to rotate the gear shaft 19 clockwise to drive the valve body (not shown) to be closed;
  • the solenoid valve structure portion 2 of the control valve device 2 determines whether the air flow passes or not, and determines whether the piston shaft 2 1 0 0 of the valve structure portion 2 1 is pressed to change the first accommodating space 1 into and out of the cylinder 1 7 and the direction of the airflow of the second accommodating space 18, and further the direction of rotation of the gear shaft 19,
  • the solenoid valve structure portion 2 of the control valve device 2 mainly comprises a 2 A hole position 2 3 1 , at least one 2 B hole position 2 3 2 and an actuating block 2 3 3 that controls whether the 2 A hole position 2 3 1 is closed or not, and the 2 B hole position 2 3 2 is located next to the 2 A hole position 2 3 1
  • the air flow of the 2 A hole position 2 3 1 enters at least one collecting line 2 3 4 communicating with the 2B hole position 2
  • the magnetic valve structure portion 2 3 is powered or not switched or switched via a manual switch 2 3 7 to turn the 2 A hole position 231 on or off, and the 2 A hole position 2 3 1 is turned on or off to determine the 2 B hole position 2 3 2 and whether the pressing line 2 3 6 is turned on;
  • the switching part 25 can manually switch between the safety reset mode and the double action mode, and the switching part 25 has an axially movable switching shaft 2 5 4 and passes A communication line 2 5 1 is in communication with the 2 A hole position 2 3 1 of the solenoid valve structure portion 2 3 , and the movement of the switching shaft 2 5 4 is switched to determine the air flow from the double motion line 2 1 4
  • the double-action mode of the double-action nozzle 2 5 2 to the switching portion 25 or the single-action pipe 213 passes through the single-action nozzle 2 5 3 to the safety reset mode of the switching portion 25.
  • the operating state of the present invention is Differently, the following situations are as follows: First, please refer to FIG. 2 to FIG. 5B and FIG. 7A.
  • the solenoid valve structure portion 2 is energized to make the 2 A
  • the hole position 2 3 1 is opened, and a part of the air flow supplied from the air pressure source 3 enters the switching portion 25 and the inside of the solenoid valve structure portion 23 via the single-action pipe 2 1 3 to press the piston in the valve structure portion 2 1 .
  • Axis 2 1 0 0, and the other part of the air pressure source 3 is supplied
  • the partial airflow enters through the hole 1 2 5 and passes through the air inlet hole 2 1 1 through the 1 A hole of the cylinder 1
  • the 2A of the solenoid valve structure 2 3 The hole position 2 3 1 is closed, and part of the air flow supplied by the air pressure source 3 cannot enter the switching portion 25 and the inside of the solenoid valve structure portion 2 through the single-action line 2 1 3 , at which time the valve structure portion 2 1
  • the piston shaft 2 1 0 0 is not pressed, and the airflow supplied through the air pressure source 3 enters through the No. 1 hole 2 15 and passes through the air chamber intake hole 2 1 1 through the 1 A hole position of the cylinder. Entering and filling the air chamber 1 1 , the air flow of the air chamber 1 1 enters the relay hole 2 1 0 of the valve structure portion 2 1 through the air chamber air outlet 2 1 2 through the air chamber air outlet 2 1 2 , And by the 4th hole
  • the solenoid valve structure portion 23 in the safety reset mode, the solenoid valve structure portion 23 is actuated, but the air pressure source 3 is not supplied with air, and no airflow passes through the switching portion 2 at this time. 5 and the solenoid valve structure portion 2 3, the piston shaft 2 1 0 0 is not pressed, at this time, the air flow in the air chamber 1 1 enters through the air chamber air outlet 2 1 2 through the 1 B hole position 14 In the relay hole 2 1 0 of the valve structure portion 2 1 , the 4 hole hole 2 1 8 enters the second accommodating space 1 8 of the cylinder 1 through the 1 D hole position 16 The piston 1 2 moves toward the first accommodating space 17 to further rotate the gear shaft 19 clockwise to close the valve body, which is a so-called safety reset.
  • the solenoid valve structure portion 2 in the normal operation of the double-action mode, is turned on by the energization to open the 2 A hole position 2 3 1 , the air pressure source 3
  • the supplied air flow enters through the No. 1 hole 215 and enters through the air chamber intake hole 21 1 through the 1 A hole position 13 of the cylinder 1 and fills the air chamber 1 1 , and the partial air flow in the air chamber 1 1
  • the 1 B hole position 14 exits through the gas chamber air outlet 2 1 2 and enters the switching portion 25 and the electromagnetic valve structure portion 2 3 via the double acting pipe 2 1 4 to press the valve structure portion.
  • the piston shaft 2 1 0 0, and a part of the airflow in the air chamber 1 1 enters the relay hole 2 1 0 of the valve structure portion 2 through the air chamber air outlet 2 1 2 through the 1 B hole position 14
  • the second hole 216 enters the first accommodating space 17 through the 1 C hole position 15 to push the piston 12 to move to the second accommodating space 18, thereby making the gear shaft 19 reverse
  • the hour hand rotation drives the valve body to open.
  • the 2A of the solenoid valve structure portion 2 3 is closed, at which time the piston shaft 2 1 0 0 is not pressed, and the air flow supplied through the air pressure source 3 enters through the No. 1 hole 2 15 and passes through the air chamber intake hole 2 1 1 .
  • the 1 A hole position 1 3 of the cylinder 1 enters and fills the air chamber 1 1
  • the airflow inside the air chamber 1 1 enters the relay hole 2 1 0 of the valve structure portion 2 through the air chamber air outlet 2 1 2 through the air outlet 2 1 2 , and the hole 4 1 1 8 entering the second accommodating space 18 of the cylinder 1 through the 1 D hole position 16 , pushing the piston 1 2 to move to the first accommodating space 17 , and then rotating the gear shaft 19 clockwise Close the valve body.
  • the solenoid valve structure portion 23 in the double-action mode, is actuated, but the air valve source portion 3 is not supplied with air, and the solenoid valve structure portion 23 is energized.
  • a hole position 2 3 1 is opened, at this time, part of the air flow in the air chamber 11 is still exited by the 1 B hole position 14 through the air chamber air outlet 2 1 2 and enters through the double-action line 2 1 4
  • the switching portion 25 and the electromagnetic valve structure portion 2 3 further press the piston shaft 2 1 0 0 in the valve structure portion 1 1 , and a part of the air flow in the air chamber 11 is from the 1 B hole position 1 4 Entering the relay hole 2 1 0 of the valve structure portion 2 1 through the air chamber air outlet 2 1 2, and entering the first receiving portion through the 1 C hole position 15 through the 2 hole 2 1 6
  • the piston 12 is pressed in the space 17 and held in the open (unchanged) position.
  • the cylinder 1 has a gas nozzle 1 Q connecting the gas chamber 1 1 and the outside, and the gas pressure source 3 can also be directly supplied from the gas nozzle 10 to the inside of the gas chamber 1 1 to achieve a safe reset mode or In the double-acting mode, the electromagnetic valve structure unit 2 is powered or not.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Description

气缸结构
技术领域
本发明提供一种气缸结构，尤指其技术上提供一种气缸搭配控制阀装置，达到 双动气缸与安全复归气缸相互转换的功效， 且可因应供电或供气与否的各种情况， 不需要另外接手轮开关 (齿轮箱)或配管以因应没有气电时能做紧急开关。 背景技术
气缸的种类有许多种，其均利用压力或扭力迫使内部的转子转动，进而使该气 缸得以控制该转子进行往复运动， 进而带动该管路上的阀结构部开启或关闭， 其又 分为单动气缸、 双动气缸等， 其中， 单动气缸则用于需要安全复归的阀体。 传统的 单动气缸， 一般都是靠压縮弹簧， 及压縮后弹簧释出的回复动力， 带动阀体的开启 或关闭， 在有气源供应气缸时， 必须先克服弹簧的张力， 才能带动转子的运转， 以 开启或关闭阀体，所以有效扭力将随着弹簧的抗力增加而递减，在没有气源的情况， 气缸可利用弹簧的回复动力， 进而带动转子的归位以开启或关闭阀门， 这是所谓的 安全复归， 而所有输出的扭力， 将会随着弹簧的复归而递减； 而双动气缸的运作， 一般都是以气源的供应为必要的条件， 当有气源供应时， 以进气排气的方式， 带动 阀体的开启或关闭， 但当没有气源时， 气缸就不能够动作， 不似单动气缸可靠弹簧 的回复动力， 可开启或关闭阀体， 但双动气缸在有气源供应时， 开关的扭力远比单 动气缸要高， 传统的单动及双动气缸， 一般都必须靠电磁阀， 藉由气电的配合， 来 达到阀体的开启或关闭。 然而在断风的情况下， 若要紧急开关阀体， 传统的作法是 在气缸底部加装手轮开关 (齿轮箱）， 以因应没有气源当动力时能做紧急开关， 惟其 占用的空间与装配成本等考量， 均为其缺失， 再者， 以生产厂商及经销商的立场， 必须生产及库存单动及双动两种不同的气缸， 以因应使用者的不同需求， 无法提供 单一产品可供双动及单动间的切换， 会增加生产种类与库存成本的提升。 发明内容
本发明的目的在于， 提供一种气缸结构， 欲解决的技术问题点是： 习用的单动 气缸， 一般都是靠压縮弹簧， 及压縮后弹簧释出的回复动力， 带动阀体的开启或关 闭， 在有气源供应气缸时， 必须先克服弹簧的张力， 才能带动转子的运转， 以开启 或关闭阀体， 所以有效扭力将随着弹簧的抗力增加而递减， 在没有气源的情况， 气 缸可利用弹簧的回复动力， 进而带动转子的归位以开启或关闭阀门， 这是所谓的安 全复归， 而所有输出的扭力， 将会随着弹簧的复归而递减； 而双动气缸的运作， 一 般都是以气源的供应为必要的条件， 当有气源供应时， 以进气排气的方式， 带动阀 体的开启或关闭， 但当没有气源时， 气缸就不能够动作， 不似单动气缸可靠弹簧的 回复动力， 可开启或关闭阀体， 但双动气缸在有气源供应时， 开关的扭力远比单动 气缸要高， 传统的单动及双动气缸， 一般都必须靠电磁阀， 藉由气电的配合， 来达 到阀体的开启或关闭。 然而在断风的情况下， 若要紧急开关阀体， 传统的作法是在 气缸底部加装手轮开关 (齿轮箱）， 以因应没有气源当动力时能做紧急开关， 惟其占 用的空间与装配成本等考量， 均为其缺失， 再者， 以生产厂商及经销商的立场，必 须生产及库存单动及双动两种不同的气缸， 以因应使用者的不同需求， 无法提供单 一产品可供双动及单动间的切换， 会增加生产种类与库存成本的提升。
解决问题的技术特点： 为改善上述的问题， 本发明提供一种气缸结构， 包含一 气缸与一控制阀装置， 该气缸包含一气室与二活塞， 于该活塞上设有一作动齿排， 该作动齿排与一齿轮轴相互卡合，使该活塞移动时可带动该作动齿排移动并同时使 该齿轮轴转动， 达到开启与关闭阀体的目的， 该控制阀装置为因应不同情况发生时 可快速切换安全复归模式与双动模式的控制阀装置，该控制阀装置主要由一阀结构 部、一电磁阀结构部与一切换部所一体构成， 该阀结构部与该气缸相通并可将一气 压源的气流导入该气缸内部蓄气，且该阀结构部可通过该电磁阀结构部的控制改变 进出该气缸的气流方向进而变换该齿轮轴转动方向，并通过该切换部可切换安全复 归模式与双动模式， 使本发明快速达到双动气缸与安全复归气缸相互转换的功效， 不需要另外接齿轮箱或配管即可因应供电或供气与否的各种情况。
对照先前技术的功效:本发明的气缸结构可通过控制阀装置来使本发明快速达 到双动气缸与安全复归气缸相互转换来因应各种情况发生的功效，改善习用不论是 单动气缸或双动气缸为因应不同情况发生时需要加装齿轮箱或配管， 导致费用增 加、维修率高且麻烦的问题， 且通过本发明可快速方便转换双动气缸与安全复归气 缸，一方面制造厂商可不需要花费大量成本开发不同构件的生产线， 另一方面经销 商亦不需要花费大量成本来购买单动与双动两种气缸， 可有效降低库存压力。 附图说明
图 1 : 本发明的立体示意图。
图 2: 本发明的气缸局部示意图。
图 2 A : 本发明的气缸局部剖面示意图。
图 2 B : 本发明的气缸另一局部剖面示意图。
图 3: 本发明的控制阀装置分解示意图。
图 4: 本发明的控制阀装置另一分解示意图。
图 5: 本发明的控制阀装置上视图。 图 5 A : 本发明的控制阀装置剖面示意图。
图 5 B : 本发明的控制阀装置另一剖面示意图。
图 6: 本发明的控制阀装置侧视图。
图 6 A : 本发明的控制阀装置又一剖面示意图。
图 7 A : 本发明一实施例安全复归模式正常动作示意图。
图 7 B : 本发明一实施例安全复归模式电磁阀结构部不作动示意图。
图 7 C : 本发明一实施例安全复归模式供气源不供气的作动示意图。
图 8 A : 本发明一实施例双动模式正常动作示意图。
图 8 B : 本发明一实施例双动模式电磁阀结构部不作动示意图。
图 8 C : 本发明一实施例双动模式供气源不供气的作动示意图。 具体实施方式
参阅图 1至图 8 C所示， 本发明提供一种气缸结构， 包括： 一气缸 1， 该气缸 1包含一气室 1 1与二活塞 1 2，该二活塞 1 2将该气缸 1内部分为一第一容置空 间 1 7与二第二容置空间 1 8，该第一容置空间 1 7位于该二活塞 1 2间且该第二 容置空间 1 8分别位于该二活塞 1 2两侧边， 其中， 该气室 1 1分设于该气缸的两 端处， 并藉由一连接管路 1 1 1相通且与该第一、 二容置空间 1 7、 1 8不相通， 于二活塞 1 2上朝向该第一容置空间 1 7处各设有一作动齿排 1 2 1，在该作动齿 排 1 2 1间距间设置有一齿轮轴 1 9与该作动齿排 1 2 1相互卡合，使该活塞 1 2 移动时可带动该作动齿排 1 2 1移动并同时使该齿轮轴 1 9转动，另于该气缸 1侧 面设有一 1 A孔位 1 3、 一 1 B孔位 1 4、 一 1 C孔位 1 5及一 1 D孔位 1 6， 该
1 A孔位 1 3及该 1 B孔位 1 4直接与该气室 1 1连通，且该 1 A孔位 1 3埋设有 一止逆阀， 该 1 C孔位 1 5经一第一管路 1 7 1与该第一容置空间 1 7相通， 使气 流可进入该第一容置空间 1 7将该活塞 1 2向该第二容置空间 1 8推动，进而使该 齿轮轴 1 9逆时针旋转带动阀体开启，该 1 D孔位 1 6经一第二管路 1 8 1与该第 二容置空间 1 8相通，使气流可进入该第二容置空间 1 8将该活塞 1 2向该第一容 置空间 1 7推动，进而使该齿轮轴 1 9顺时针旋转关闭阀体；以及一控制阀装置 2， 该控制阀装置 2为因应不同情况发生时可快速切换安全复归模式与双动模式的控 制阀装置， 其主要由一阀结构部 2 1、一电磁阀结构部 2 3与一切换部 2 5所一体 构成，该阀结构部 2 1与该气缸 1相通并可将一气压源 3的气流导入该气缸 1的该 气室 1 1内蓄气， 其中该阀结构部 2 1可设有一气室进气口 2 1 1、一气室出气孔
2 1 2分别与该气缸的该 1 A孔位 1 3、该 1 B孔位 1 4相通， 一单动管路 2 1 3 与该气室进气口 2 1 1相通， 一双动管路 2 1 4与该气室出气孔 2 1 2相通， 且该 单动管路 2 1 3与藉由一单动接管 2 5 3该切换部 2 5相通，该双动管路 2 1 4藉 由一双动接管 2 5 2与该切换部 2 5相通，且该阀结构部 2 1另设有一 1号孔 215、 一 2号孔 2 1 6、 一 3号孔 2 1 7、 一 4号孔 2 1 8、 一 5号孔 2 1 9、 一中继孔 2 1 0及一活塞轴 2 1 0 0，其中该 1号孔 2 1 5为进气孔且该 3号孔 2 1 7及该 5号孔 2 1 9为排气孔， 该中继孔 2 1 0位于该双动管路 2 1 4上， 并根据该活塞 轴 2 1 0 0被压制与否的位置改变，来决定从该气室出气孔 2 1 2出来的气流经过 该双动管路 2 1 4时应与该 2号孔 2 1 6或该 4号孔 2 1 8相通， 若该中继孔 210 与该 2号孔 2 1 6相通，则气流将从该 2号孔 2 1 6由该气缸 1的该 1 C孔位 1 5 进入该气缸 1的该第一管路 1 7 1， 使气流可进入该第一容置空间 1 7将该活塞 12 向该第二容置空间 1 8推动， 进而使该齿轮轴 1 9逆时针旋转带动阀体 （图中 未示）开启， 若该中继孔 2 1 0与 4号孔 2 1 8相通， 则气流将从该 4号孔 2 1 8 由该 1 D孔位 1 6进入该气缸 1的该第二管路 1 8 1，使气流可进入该第二容置空 间 1 8将该活塞 1 2向该第一容置空间 1 7推动，进而使该齿轮轴 1 9顺时针旋转 带动阀体（图中未示）关闭； 该控制阀装置 2的该电磁阀结构部 2 3可决定气流是 否通过，决定该阀结构部 2 1的该活塞轴 2 1 0 0是否被压制而改变进出该气缸 1 的该第一容置空间 1 7与该第二容置空间 1 8的气流方向，进而变换该齿轮轴 1 9 转动方向， 该控制阀装置 2的该电磁阀结构部 2 3主要包含一 2 A孔位 2 3 1、至 少一 2 B孔位 2 3 2及一控制该 2 A孔位 2 3 1封闭与否的作动块 2 3 3，该 2 B 孔位 2 3 2位于该 2 A孔位 2 3 1旁， 使进入该 2 A孔位 2 3 1的气流进入与该 2B 孔位 2 3 2相通的至少一汇集管路 2 3 4内， 并由一环形空间 2 3 5将该汇集 管路 2 3 4内气流引导至一压制管路 2 3 6内，通过气流由该压制管路 2 3 6穿过 该切换部 2 5进入该阀结构部 2 1内压制该活塞轴 2 1 0 0，该作动块 2 3 3可通 过该电磁阀结构部 2 3供电与否或经由一手动开关 2 3 7切换使该 2 A孔位 231 开启或关闭，藉由该 2 A孔位 2 3 1开启或关闭决定该 2 B孔位 2 3 2与该压制管 路 2 3 6是否导通； 该切换部 2 5可手动切换安全复归模式与双动模式， 且该切换 部 2 5具一可轴向移动的切换轴 2 5 4，并通过一连通管路 2 5 1与该电磁阀结构 部 2 3的该 2 A孔位 2 3 1相通，藉由该切换轴 2 5 4的移动切换来决定气流由该 双动管路 2 1 4经该双动接管 2 5 2到该切换部 2 5的双动模式或该单动管路 213 经该单动接管 2 5 3到该切换部 2 5的安全复归模式。
本发明实际在安全复归模式与双动模式使用时，当因停电或其他情况下导致该 电磁阀结构部 2 3不作动， 或该供气源 3不供气时， 本发明的作动状态皆不同， 于 以下几种情形分述如下： 首先请参阅图 2至图 5 B及图 7 A所示， 在安全复归模式 正常运作下， 此时该电磁阀结构部 2 3因通电使该 2 A孔位 2 3 1开启， 该气压源 3供应的部分气流经由该单动管路 2 1 3进入该切换部 2 5与该电磁阀结构部 23 内部进而压制该阀结构部 2 1内的该活塞轴 2 1 0 0，且该气压源 3供应的另一部 份气流经该 1号孔 2 1 5进入并由该气室进气孔 2 1 1经由该气缸 1的 1 A孔位
1 3进入并充满该气室 1 1，该气室 1 1的气流由该 1 B孔位 1 4经由该气室出气 孔 2 1 2进入该阀结构部 2 1的该中继孔 2 1 0中，并由该 2号孔 2 1 6经该 1 C 孔位 1 5进入该第一容置空间 1 7内， 推动该活塞 1 2向第二容置空间 1 8移动， 进而使该齿轮轴 1 9逆时针旋转带动阀体开启。
另请参阅图 2至图 5 B及图 7 B所示，在安全复归模式情况下当停电或其他情 形导致该电磁阀结构部 2 3不作动时，该电磁阀结构部 2 3的该 2 A孔位 2 3 1关 闭，该气压源 3供应的部分气流无法经由该单动管路 2 1 3进入该切换部 2 5与该 电磁阀结构部 2 3内部， 此时该阀结构部 2 1内的该活塞轴 2 1 0 0不被压制， 通 过该气压源 3供应的气流经该 1号孔 2 1 5进入并由该气室进气孔 2 1 1经由该 气缸的 1 A孔位 1 3进入并充满该气室 1 1，该气室 1 1的气流由该 1 B孔位 1 4 经由该气室出气孔 2 1 2进入该阀结构部 2 1的该中继孔 2 1 0中，并由该 4号孔
2 1 8经该 1 D孔位 1 6进入该气缸 1的该第二容置空间 1 8内，推动该活塞 1 2 向该第一容置空间 1 7移动， 进而使该齿轮轴 1 9顺时针旋转关闭阀体。
另请参阅图 2至图 5 B及图 7 C所示，在安全复归模式该电磁阀结构部 2 3作 动但该气压源 3不供气情况下，此时并无气流通过该切换部 2 5与该电磁阀结构部 2 3， 使该活塞轴 2 1 0 0不被压制， 此时该气室 1 1内的气流由该 1 B孔位 1 4 经由该气室出气孔 2 1 2进入该阀结构部 2 1的该中继孔 2 1 0中，并由该 4号孔 2 1 8经该 1 D孔位 1 6进入该气缸 1的该第二容置空间 1 8内，推动该活塞 1 2 向该第一容置空间 1 7移动， 进而使该齿轮轴 1 9顺时针旋转关闭阀体， 这是所谓 的安全复归。
另请参阅图 2至图 5 B及图 8 A所示， 在双动模式正常运作下， 此时该电磁阀 结构部 2 3因通电使该 2 A孔位 2 3 1开启， 该气压源 3供应的气流由该 1号孔 215进入并由该气室进气孔 2 1 1经由该气缸 1的 1 A孔位 1 3进入并充满该气室 1 1，该气室 1 1内的部分气流由该 1 B孔位 1 4经该气室出气孔 2 1 2出来并经 由该双动管路 2 1 4进入该切换部 2 5与该电磁阀结构部 2 3内部进而压制该阀 结构部内的该活塞轴 2 1 0 0，且该气室 1 1内的部分气流由该 1 B孔位 1 4经由 该气室出气孔 2 1 2进入该阀结构部 2 1的该中继孔 2 1 0中， 并由该 2号孔 216 经该 1 C孔位 1 5进入该第一容置空间 1 7内， 推动该活塞 1 2向第二容置空间 18移动， 进而使该齿轮轴 1 9逆时针旋转带动阀体开启。
另请参阅图 2至图 5 B及图 8 B所示，在双动模式情况下当停电或其他情形导 致该电磁阀结构部 2 3不作动时， 该电磁阀结构部 2 3的该 2 A孔位 2 3 1关闭， 此时该活塞轴 2 1 0 0不被压制，通过该气压源 3供应的气流经该 1号孔 2 1 5进 入并由该气室进气孔 2 1 1经由该气缸 1的 1 A孔位 1 3进入并充满该气室 1 1， 该气室 1 1内部的气流由该 1 B孔位 1 4经由该气室出气孔 2 1 2进入该阀结构 部 2 1的该中继孔 2 1 0中，并由该 4号孔 2 1 8经该 1 D孔位 1 6进入该气缸 1 的该第二容置空间 1 8内， 推动该活塞 1 2向该第一容置空间 1 7移动， 进而使该 齿轮轴 1 9顺时针旋转关闭阀体。
另请参阅图 2至图 5 B及图 8 C所示，在双动模式该电磁阀结构部 2 3作动但 该气压源 3不供气情况下该电磁阀结构部 2 3因通电使该 2 A孔位 2 3 1开启，此 时该气室 1 1内的部分气流仍由该 1 B孔位 1 4经该气室出气孔 2 1 2出来并经 由该双动管路 2 1 4进入该切换部 2 5与该电磁阀结构部 2 3内部进而压制该阀 结构部 2 1内的该活塞轴 2 1 0 0，且该气室 1 1内的部分气流由该 1 B孔位 1 4 经由该气室出气孔 2 1 2进入该阀结构部 2 1的该中继孔 2 1 0中，并由该 2号孔 2 1 6进入经该 1 C孔位 1 5进入该第一容置空间 1 7内压制该活塞 1 2，保持在 开启（不变)的位置。
其中， 该气缸 1具有一连接该气室 1 1与外部的一气嘴 1 Q， 该气压源 3亦可 直接由该气嘴 1 0供气至该气室 1 1内部， 以达到安全复归模式或双动模式时， 因 应该电磁阀结构部 2 3供电与否等各种情况发生的目的。

Claims

权 利 要 求 书
1 . 一种气缸结构， 其特征在于， 包含有：
一气缸， 该气缸包含一气室与二活塞， 该活塞将该气缸内部分为一第一容置空 间与二第二容置空间， 使该第一容置空间位于该两活塞间， 该第二容置空间分别位 于该二活塞两侧边， 该第一、 二容置空间与该气室不相通， 于该二活塞上朝向该第 一容置空间处设有二相对的作动齿排， 该作动齿排与一齿轮轴相互卡合， 该齿轮轴 卡合设置于该作动齿排间距间，当该活塞移动时可带动该作动齿排移动并同时使该 齿轮轴转动， 另于该气缸侧面设有一 1 A孔位、一 1 B孔位、一 1 C孔位及一 1 D 孔位，该 1 A孔位及该 1 B孔位直接与该气室连通，且该 1 A孔位埋设有一止逆阀， 该 1 C孔位与该第一容置空间相通，使气流进入该第一容置空间将该活塞向该第二 容置空间推动， 进而使该齿轮轴逆时针旋转带动阀体开启， 该 1 D孔位与该第二容 置空间相通， 使气流进入该第二容置空间将该活塞向该第一容置空间推动， 进而使 该齿轮轴顺时针旋转关闭阀体； 以及
一控制阀装置，该控制阀装置为因应不同情况发生时可快速切换安全复归模式 与双动模式的控制阀装置， 该控制阀装置主要由一阀结构部、一电磁阀结构部与一 切换部所一体构成，该阀结构部与该气缸相通并将一气压源的气流导入该气缸的该 气室内部蓄气，且该控制阀装置的该电磁阀结构部用以控制改变进出该气缸的该第 一容置空间与该第二容置空间的气流方向， 进而变换该齿轮轴转动方向， 并通过该 控制阀装置的该切换部手动切换安全复归模式与双动模式，使一个该控制阀装置即 具有三个控制构件。
2 . 如权利要求 1所述的气缸结构， 其特征在于， 该阀结构部设有一气室进气 口、 一气室出气孔分别与该气缸的该 1 A孔位、 该 1 B孔位相通， 一单动管路与该 气室进气口相通， 一双动管路与该气室出气孔相通， 且单动管路藉由一单动接管与 该切换部相通， 该双动管路藉由一双动接管与该切换部相通， 且该阀结构部另设有 一 1号孔、一 2号孔、一 3号孔、一 4号孔、一 5号孔、一中继孔及一活塞轴， 其 中该 1号孔为进气孔且该 3号孔及该 5号孔为排气孔， 该中继孔位于该双动管路 上， 并根据该活塞轴被压制与否的位置改变， 来决定从该气室出气孔出来的气流经 过该双动管路时应与该 2号孔或该 4号孔相通， 若该中继孔与该 2号孔相通， 则气 流将从该 2号孔由该气缸的该 1 C孔位进入该第一容置空间内，推动该活塞向第二 容置空间移动， 进而使该齿轮轴逆时针旋转带动阀体开启， 若该中继孔与 4号孔相 通， 则气流将从该 4号孔由该气缸的该 1 D孔位进入该第二容置空间内， 推动该活 塞向该第一容置空间移动， 进而使该齿轮轴顺时针旋转关闭阀体； 该电磁阀结构部 主要包含一 2 A孔位、至少一 2 B孔位及一控制该 2 A孔位封闭与否的作动块， 该 2 B孔位位于该 2 A孔位旁，使进入该 2 A孔位的气流进入与该 2 B孔位相通的至 少一汇集管路内， 并由一环形空间将该汇集管路内气流引导至一压制管路内， 通过 气流由该压制管路穿过该切换部进入该阀结构部内压制该活塞轴，该作动块通过该 电磁阀结构部供电与否切换使该 2 A孔位开启或关闭，藉由该 2 A孔位开启或关闭 决定该 2 B孔位与该压制管路是否导通；该切换部通过一连通管路与该电磁阀结构 部的该 2 A孔位相通， 且具一可轴向移动的切换轴， 藉由该切换轴的移动切换来决 定气流由该双动管路经该双动接管到该切换部的双动模式或该单动管路经该单动 接管到该切换部的安全复归模式。
3 .如权利要求 2所述的气缸结构，其特征在于，在安全复归模式正常运作下， 此时该电磁阀结构部因通电作动使该 2 A孔位开启，该气压源供应的部分气流经由 该单动管路进入该切换部与该电磁阀结构部内部进而压制该阀结构部内的该活塞 轴，且该气压源供应的另一部份气流经该 1号孔进入并由该气室进气孔经由该气缸 的 1 A孔位进入并充满该气室，该气室的气流由该 1 B孔位经由该气室出气孔进入 该阀结构部的该中继孔中， 并由该 2号孔经该 1 C孔位进入该第一容置空间内， 推 动该活塞向第二容置空间移动， 进而使该齿轮轴逆时针旋转带动阀体开启。
4 . 如权利要求 2所述的气缸结构， 其特征在于， 在安全复归模式情况下该电 磁阀结构部不作动时， 该电磁阀结构部的该 2 A孔位关闭， 该气压源供应的部分气 流无法经由该单动管路进入该切换部与该电磁阀结构部内部，此时该活塞轴不被压 制，通过该气压源供应的气流经该 1号孔进入并由该气室进气孔经由该气缸的 1 A 孔位进入并充满该气室，该气室的气流由该 1 B孔位经由该气室出气孔进入该阀结 构部的该中继孔中， 并由该 4号孔经该 1 D孔位进入该气缸的该第二容置空间内， 推动该活塞向该第一容置空间移动， 进而使该齿轮轴顺时针旋转关闭阀体。
5 . 如权利要求 2所述的气缸结构， 其特征在于， 在安全复归模式该电磁阀结 构部作动但该气压源不供气情况下， 此时并无气流通过该切换部与该电磁阀结构 部， 使该活塞轴不被压制， 此时该气室内的气流由该 1 B孔位经由该气室出气孔进 入该阀结构部的该中继孔中，并由该 4号孔经该 1 D孔位进入该气缸的该第二容置 空间内，推动该活塞向该第一容置空间移动，进而使该齿轮轴顺时针旋转关闭阀体。
6 . 如权利要求 2所述的气缸结构， 其特征在于， 在双动模式正常运作下， 此 时该电磁阀结构部因通电使该 2 A孔位开启，该气压源供应的气流由该 1号孔进入 并由该气室进气孔经由该气缸的 1 A孔位进入并充满该气室，该气室内的部分气流 由该 1 B孔位经该气室出气孔出来并经由该双动管路进入该切换部与该电磁阀结 构部内部进而压制该阀结构部内的该活塞轴，且该气室内的部分气流由该 1 B孔位 经由该气室出气孔进入该阀结构部的该中继孔中，并由该 2号孔经该 1 C孔位进入 该第一容置空间内， 推动该活塞向第二容置空间移动， 进而使该齿轮轴逆时针旋转 带动阀体开启。
7 . 如权利要求 2所述的气缸结构， 其特征在于， 在双动模式情况下该电磁阀 结构部不作动时， 该电磁阀结构部的该 2 A孔位关闭， 此时该活塞轴不被压制， 通 过该气压源供应的气流经该 1号孔进入并由该气室进气孔经由该气缸的 1 A孔位 进入并充满该气室，该气室内部的气流由该 1 B孔位经由该气室出气孔进入该阀结 构部的该中继孔中， 并由该 4号孔经该 1 D孔位进入该气缸的该第二容置空间内， 推动该活塞向该第一容置空间移动， 进而使该齿轮轴顺时针旋转关闭阀体。
8 . 如权利要求 2所述的气缸结构， 其特征在于， 在双动模式该电磁阀结构部 作动但该气压源不供气情况下， 该电磁阀结构部因通电使该 2 A孔位开启， 此时该 气室内的部分气流仍由该 1 B孔位经该气室出气孔出来并经由该双动管路进入该 切换部与该电磁阀结构部内部进而压制该阀结构部内的该活塞轴，且该气室内的部 分气流由该 1 B孔位经由该气室出气孔进入该阀结构部的该中继孔中，并由该 2号 孔进入经该 1 C孔位进入该第一容置空间内推动该活塞向第二容置空间移动，进而 使该齿轮轴逆时针旋转带动阀体开启。
9 . 如权利要求 2所述的气缸结构， 其特征在于， 该电磁阀结构部更包含一手 动开关， 通过该手动开关可手动调整该作动块切换该 2 A孔位开启或关闭。
1 0 . 如权利要求 1所述的气缸结构， 其特征在于， 该 1 C孔位经一第一管路 与该第一容置空间相通。
1 1 . 如权利要求 1所述的气缸结构， 其特征在于， 该 1 D孔位经一第二管路 与该第二容置空间相通。
1 2 . 如权利要求 1所述的气缸结构， 其特征在于， 该气室分设于该气缸的两 端处， 并藉由一连接管路相通。
1 3 . 如权利要求 1所述的气缸结构， 其特征在于， 该气缸具有一连接该气室 与外部的气嘴， 该气压源可直接由该气嘴供气至该气室内部。
PCT/CN2011/071075 2011-02-18 2011-02-18 气缸结构 WO2012109795A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434203A (ja) * 1990-05-31 1992-02-05 T V Valve Kk ピストン型揺動アクチュエータ
DE19543237A1 (de) * 1995-11-20 1997-05-22 Pleiger Maschf Paul Hydraulische Stellvorrichtung, insbesondere Schwenkantrieb
FR2781861A1 (fr) * 1998-07-31 2000-02-04 Buracco Sa Dispositif de commande d'une vanne quart de tour
US20040089341A1 (en) * 2000-10-11 2004-05-13 Groeneveld Floris Johannes Driving, mechanism, function part and shut-off valve
DE10350305A1 (de) * 2003-10-28 2005-05-25 Festo Ag & Co. Fluidbetätigte Drehantriebsvorrichtung
JP2008138716A (ja) * 2006-11-30 2008-06-19 Kitz Corp 試験移動機構付き緊急遮断用アクチュエータ
JP2009097539A (ja) * 2007-10-12 2009-05-07 Tyco Flow Control Japan Kk 緊急遮断弁装置
CN101876374A (zh) * 2009-11-20 2010-11-03 济南高仕机械制造有限公司 气缸改良结构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434203A (ja) * 1990-05-31 1992-02-05 T V Valve Kk ピストン型揺動アクチュエータ
DE19543237A1 (de) * 1995-11-20 1997-05-22 Pleiger Maschf Paul Hydraulische Stellvorrichtung, insbesondere Schwenkantrieb
FR2781861A1 (fr) * 1998-07-31 2000-02-04 Buracco Sa Dispositif de commande d'une vanne quart de tour
US20040089341A1 (en) * 2000-10-11 2004-05-13 Groeneveld Floris Johannes Driving, mechanism, function part and shut-off valve
DE10350305A1 (de) * 2003-10-28 2005-05-25 Festo Ag & Co. Fluidbetätigte Drehantriebsvorrichtung
JP2008138716A (ja) * 2006-11-30 2008-06-19 Kitz Corp 試験移動機構付き緊急遮断用アクチュエータ
JP2009097539A (ja) * 2007-10-12 2009-05-07 Tyco Flow Control Japan Kk 緊急遮断弁装置
CN101876374A (zh) * 2009-11-20 2010-11-03 济南高仕机械制造有限公司 气缸改良结构

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