WO2015131776A1 - Energy-saving inlet valve - Google Patents
Energy-saving inlet valve Download PDFInfo
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- WO2015131776A1 WO2015131776A1 PCT/CN2015/073359 CN2015073359W WO2015131776A1 WO 2015131776 A1 WO2015131776 A1 WO 2015131776A1 CN 2015073359 W CN2015073359 W CN 2015073359W WO 2015131776 A1 WO2015131776 A1 WO 2015131776A1
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- valve
- air
- driving device
- energy
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- 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
- F04B39/08—Actuation of distribution members
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
Definitions
- the utility model relates to the field of equipment gas transmission, in particular to a valve technology.
- Compressor is an important power source in modern industrial production and has been widely used in production.
- the intake valve is one of the indispensable components.
- the common intake valve is mainly a single-channel butterfly valve, and the adjustment function is more common in full open/closed. Because of the way of working, the traditional intake valve is difficult to accurately control the outflow of the compressor.
- the inhaled gas is not reduced, or even if it is reduced, all are The inhaled gas will still be compressed and maintained at a higher pressure state and discharged into the end of the system; at the same time, the loading and unloading are controlled by two separate components, and the two actions cannot be completed at the same time.
- the common way of working is to first compress the pressure to a higher pressure, then slowly release it. When it drops to a certain pressure, recompress the gas to reach a higher pressure, and then release it, that is, add/unload. Phenomenon (the higher the pressure at which the gas is compressed, the higher the energy required to be consumed). When the amount of gas used is reduced and the set higher pressure is not reached, the load on the drive unit is not significantly reduced, and the pressure control cannot be achieved.
- the way to increase pressure increases the cost of electricity consumption.
- the intake valve itself has a single function, a complicated structure, many components, frequent control of the electric appliance, high failure rate, high maintenance cost, and increased manufacturing cost.
- an energy-saving intake valve including a valve body and a spool, and a driving device;
- the valve body includes a cylindrical body, a first cover and a second cover, and the first cover and the second cover Each of the two ends of the cylindrical body is fixed;
- the cylindrical body is provided with a first through hole, a second through hole and a third through hole;
- a cylindrical body is provided with a valve core, and the valve core can rotate in the cylindrical body;
- the valve The core is provided with a first through groove capable of communicating the first through hole and the third through hole when the first through hole is opened;
- the spool is further provided with the second through hole and the third through when the first through hole is closed a second through slot communicating with the hole;
- the valve body is further provided with a driving device, the control gas inlet end of the driving device is connected with an inverse proportional valve; and a first pipe capable of partially connecting the second through hole and the third through hole; a fifth through hole is formed in the body, and the valve core can
- the pressure of the output control gas is gradually reduced by the inverse proportional valve adjustment, when the driving device is
- the telescopic rod of the driving device gradually contracts under the reset action of the spring, drives the valve core to rotate, gradually closes the second through hole, reduces the air intake amount, and gradually opens the first through hole.
- a part of the gas at the gas outlet end of the compression chamber is circulated from the first through hole through the first through hole to the suction end of the compressor through the third through hole to reduce the total amount of air discharged into the gas end after being compressed; during the adjustment process
- the first through hole is gradually closed, the second through hole is gradually opened, and the opening and closing processes are performed simultaneously; the higher the pressure at the outlet end of the compression chamber, the more the gas pressure outputted by the inverse proportional valve
- the drive device is a cylinder and the control gas inlet of the cylinder is coupled to the inverse proportional valve.
- the air pressure at the outlet end of the compression chamber can be maintained within the range set by the inverse proportional valve.
- the driving device is a motor
- the motor drive gear drives the valve core to achieve a certain angle of rotation.
- a first conduit in the spool that is in communication with the external source of air is configured to partially communicate the second through bore and the third through bore.
- This design can introduce some gas through the first pipe at the beginning of the compressor start-up, so that a certain pressure can be established in the compression chamber to allow the lubricating oil to flow; at the same time, the pressure in the system is discharged from the system during unloading or shutdown.
- the compressor is placed in a low load operation.
- the communication portion is a first valve plate and a second valve plate, the second valve plate being in a fully open state when the first valve plate is fully closed.
- the valve is opened or closed by depending on the rotation of the valve plate at different angles. This design is small in size and low in processing cost.
- the communication portion is a first through slot and a second radially disposed on the spool
- the through slot is in a fully open state when the first through slot is completely closed. This design allows the incoming airflow to pass through the third through hole without blocking, and the flow rate is faster.
- Figure 1 is a schematic cross-sectional view showing the first embodiment of the present invention in an open state
- Figure 2 is a cross-sectional view showing the closed state of the first embodiment of the present invention
- Figure 3 is a cross-sectional view showing the closed state of the second embodiment of the present invention.
- FIG. 4 is a top plan view of one embodiment of a valve cartridge of the present invention.
- the energy-saving intake valve provided by the utility model comprises a valve body 10 and a valve core 20 .
- the valve body 10 includes a cylindrical body 11, a first cover 12 and a second cover 13, and the first cover 12 and the second cover 13 are respectively fixed to the two of the cylindrical body 11 by welding or integral molding. end.
- the side wall of the cylindrical body 11 is provided with a first through hole 111 for air intake, a second through hole 112, and a third through hole 113 for air supply and outlet; the cylindrical body 11 has a valve body 20 built therein, and the valve body 20 can The cylindrical body 11 is rotated in the axial direction of the cylindrical body 11 as an axis.
- the spool 20 is provided with a first communication portion capable of communicating the first through hole 111 and the third through hole 113 when the valve is closed; the spool 20 is further provided with a second through hole 112 and a first opening when the valve is opened The second communication portion in which the three-way hole 113 communicates.
- the first communication portion and the second communication portion mentioned herein are respectively the second through groove 211 and the third through groove 212 which are radially disposed on the valve body 20.
- the second cover 13 has a fifth through hole 131.
- One end of the valve core 20 is connected to the driving device through the fifth through hole 131.
- the driving device can be arranged in various ways, and can be a cylinder or a cylinder. It is also possible to drive the spool 20 to rotate by the motor.
- the driving device is a motor
- the valve body 20 can be provided with a tooth groove that can mesh with the gear of the motor.
- the motor is running, the valve core 20 is rotated by the shaft of the cylindrical body 11 by the gear transmission. It can also be a cylinder 3 as shown in FIG.
- the intake end of the cylinder 3 is connected to the inverse proportional valve 4; a ball sleeve 32 is disposed between one end of the telescopic rod 31 of the cylinder 3 capable of telescopic expansion and the end of the spool 20, and the sleeve 32 is provided therein.
- the angle is such that the expansion and contraction of the telescopic rod 31 can drive the first link 34 to drive the valve body 2 to rotate about the axis of the cylindrical body 11, and the connection of the first link 34 to the spool 20
- the connection angle between the first link 34 and the valve body 20 is such that the first link 34 can drive the spool 20 to rotate about the axis of the cylindrical body 11; the telescopic expansion and contraction of the telescopic rod 31
- the ball 13 is rotated in the ball sleeve 32, and the first link 34 is driven by the expansion and contraction of the telescopic rod 31 to rotate the spool 20 about the axis of the cylindrical body 11 to adjust the intake air amount and the
- the driving device can also be connected to the spool 20 through the fourth through hole 121.
- the energy-saving intake valve of the present invention is in an open state.
- the passage of the first through groove 211 is not located between the first through hole 111 and the third through hole 113 , and the spool 20
- the communication between the first through hole 111 and the third through hole 113 is completely blocked, and the gas at the outlet end of the compression chamber cannot flow from the first through hole 111 through the first through groove 211 through the third through hole 113 to the air suction device.
- the channel of the second through slot 212 is located between the second through hole 112 and the third through hole 113, and the second through slot 212 completely opens the communication between the second through hole 112 and the third through hole 113.
- An external air source can be compressed from the second through hole 112 through the second through hole 212 through the third through hole 113 into the suction end of the compressor.
- the energy-saving intake valve of the present invention is in a closed state.
- the passage of the second through groove 212 is not located between the second through hole 112 and the third through hole 113, and the spool 20
- the communication between the second through hole 112 and the third through hole 113 is completely blocked, and the external air source cannot be compressed from the second through hole 112 through the second through hole 212 through the third through hole 113 into the suction end of the compressor.
- the gas at the outlet end of the compression chamber can flow from the first through hole 111 through the first through groove 211 through the third through hole 113 to the air suction device for circulating operation; in this state, the passage of the first through groove 211 is located in the first through hole.
- the first through groove 211 completely opens the communication between the first through hole 111 and the third through hole 113; at the same time, excess gas in the system is discharged into the system through the first pipe 30. In the atmosphere.
- the utility model further includes a first pipe 30 capable of communicating the second through hole 112 and the third through hole 113 when the second through hole 112 is closed; it is important to note that: before the valve is opened, under the action of the negative pressure
- the external air source flows through the first pipe 30 on the spool 20 to the third through hole 113, and enters the suction end of the compressor for compression to establish an initial pressure to allow the oil to flow; when the system is unloaded, the system is higher than the setting.
- the excess gas exits the system from the first conduit 30 and the compressor is running at no load.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Disclosed is an energy-saving inlet valve, comprising a valve body (10), a valve core (20), and a driving device, wherein the valve body (10) comprises a tubular body (11) having a first through-hole (111), a second through-hole (112) and a third through-hole (113), as well as a first seal cap (12) and a second seal cap (13) fixed at two ends of the tubular body (11); the valve core (20) is provided in the tubular body (11), and the valve core (20) is capable of rotating in the tubular body (11); the valve core (20) is provided with a first through-groove (211) and a second through-groove (212), and further provided with a first pipe (30) which is capable of communicating the second through-hole (112) and the third through-hole (113) when the second through-hole (112) is closed; the second seal cap (13) is provided with a fifth through-hole (131), and the valve core (20) is connected to the driving device via the fifth through-hole (131); and an inverse proportion valve (4) is provided at an inlet of the driving device. When supplying air to an air suction apparatus using the above-mentioned inlet valve, the first through-hole (111) is connected to an air outlet end of a compression chamber, and the inlet of the second through-hole (112) is connected to the outside air; and when the air consumption of the apparatus using air is reduced, the inlet valve is closed gradually by means of the adjustment by the inverse proportion valve (4), and at the same time a circulating path between the first through-hole (111) and an air suction end of the compression chamber is gradually opened, thereby achieving a balance between supply and demand of air and reducing energy consumption during the whole process.
Description
本实用新型涉及设备输气领域，具体涉及一种阀门技术。The utility model relates to the field of equipment gas transmission, in particular to a valve technology.
压缩机是现代工业生产中重要的动力来源，在生产中获得广泛的应用，进气阀作为压缩机的重要组成部分，是不可或缺的部件之一。常见的进气阀以单通道蝶阀为主，调节功能以全开/全闭比较常见。因为工作方式的原因，传统的进气阀很难对压缩机的出气量进行精确的控制，在用气量减少未达到设定的压力时，吸进来的气体未减少，或即使减少了，所有被吸进来的气体依然会被压缩后维持在一个较高的压力状态排入***末端；同时加载和卸载由两个独立的部件分别控制，两个动作不能在同时完成。常见的工作方式是：先将压力压缩到较高的压力，然后再慢慢泄放，当降至一定的压力后，再重新压缩气体使其达到较高压力，再泄放，即加/卸载现象，(气体被压缩的压力越高，所需消耗的电能也就越高)，在用气量减少，未达到设定的较高压力时，驱动装置负载未有明显降低，不能实现衡压控制，提高压力的方式增加了耗电量成本的增加。进气阀本身功能单一，结构复杂，组成部件多，控制电器动作频繁，故障率高，维护成本高，制造成本增加。Compressor is an important power source in modern industrial production and has been widely used in production. As an important part of the compressor, the intake valve is one of the indispensable components. The common intake valve is mainly a single-channel butterfly valve, and the adjustment function is more common in full open/closed. Because of the way of working, the traditional intake valve is difficult to accurately control the outflow of the compressor. When the gas consumption is less than the set pressure, the inhaled gas is not reduced, or even if it is reduced, all are The inhaled gas will still be compressed and maintained at a higher pressure state and discharged into the end of the system; at the same time, the loading and unloading are controlled by two separate components, and the two actions cannot be completed at the same time. The common way of working is to first compress the pressure to a higher pressure, then slowly release it. When it drops to a certain pressure, recompress the gas to reach a higher pressure, and then release it, that is, add/unload. Phenomenon (the higher the pressure at which the gas is compressed, the higher the energy required to be consumed). When the amount of gas used is reduced and the set higher pressure is not reached, the load on the drive unit is not significantly reduced, and the pressure control cannot be achieved. The way to increase pressure increases the cost of electricity consumption. The intake valve itself has a single function, a complicated structure, many components, frequent control of the electric appliance, high failure rate, high maintenance cost, and increased manufacturing cost.
实用新型内容Utility model content
本实用新型的目的是提供一种节能进气阀，解决上述现有技术问题中的一个或者多个。It is an object of the present invention to provide an energy efficient intake valve that addresses one or more of the above prior art problems.
根据本实用新型的一个方面，提供节能进气阀，包括阀体和阀芯以及驱动装置；阀体包括筒状体、第一封盖和第二封盖，第一封盖和第二封盖分别固定于筒状体的两端；筒状体开设有第一通孔、第二通孔和第三通孔；筒状体内设有阀芯，阀芯能在筒状体内做旋转运动；阀芯设有能在第一通孔开启时使第一通孔和第三通孔连通的第一通槽；阀芯还设有能在第一通孔关闭时使第二通孔和第三通孔连通的第二通槽；阀体还设有驱动装置，驱动装置的控制气进气端连有反比例阀；还设有能部分连通第二通孔和第三通孔的第一管道；筒状体上开有第五通孔，阀芯可通过第五通孔与驱动装置相连接；第一通孔的进
气端与压缩腔的出气端相连接，形成一条循环通道；第二通孔的进气端与***外的空气相连接，将外部气源吸进压缩机进行压缩；使用本设计向吸气设备内输气，当用气设备的用气量减少时，压缩腔出气端压力逐渐升高，当达到反比例阀的设定压力时，通过反比例阀调节逐渐减小输出控制气体的压力，当驱动装置的弹簧力大于反比例阀过来的控制气体压力时，驱动装置的伸缩杆在弹簧的复位作用下逐渐收缩，带动阀芯旋转，逐渐关闭第二通孔，减少吸气量，同时逐渐打开第一通孔，压缩腔出气端的部分气体从第一通孔经第一通槽通过第三通孔回到压缩机的吸入端循环，以减少被压缩后排入用气端的空气总量；在此调节过程中，第一通孔逐渐关闭，第二通孔逐渐打开，打开与关闭过程同步进行；压缩腔出气端的压力越高，反比例阀输出的气体压力越小，第二通孔内的第二通槽被关闭的角度越大，进气面积越小，吸气越少，第一通孔内第一通槽被打开角度越大，压缩腔出气端回流到压缩腔吸入端的气体越多，产气量也就越少。当用气端完全不用气时，压力升至最高，当达到电器开关设定的压力时，电器开关停止向反比例阀供气，第二通孔被完全关闭，第一通孔被完全打开，***内多余的气体压力通过第一管道被排到***外的大气中，***内处于低负载运行状态。整个过程可根据用气端的实际情况，实现平稳的供气量调节，过程循序渐进，实现气体供需平衡，同时减少吸气端负压所产生的能耗损失，能实现恒压控制，降低了能耗。According to an aspect of the present invention, an energy-saving intake valve is provided, including a valve body and a spool, and a driving device; the valve body includes a cylindrical body, a first cover and a second cover, and the first cover and the second cover Each of the two ends of the cylindrical body is fixed; the cylindrical body is provided with a first through hole, a second through hole and a third through hole; a cylindrical body is provided with a valve core, and the valve core can rotate in the cylindrical body; the valve The core is provided with a first through groove capable of communicating the first through hole and the third through hole when the first through hole is opened; the spool is further provided with the second through hole and the third through when the first through hole is closed a second through slot communicating with the hole; the valve body is further provided with a driving device, the control gas inlet end of the driving device is connected with an inverse proportional valve; and a first pipe capable of partially connecting the second through hole and the third through hole; a fifth through hole is formed in the body, and the valve core can be connected to the driving device through the fifth through hole; the first through hole is advanced
The gas end is connected with the outlet end of the compression chamber to form a circulation passage; the inlet end of the second through hole is connected with the air outside the system, and the external air source is sucked into the compressor for compression; using the design to the suction device Internal gas transmission, when the gas consumption of the gas equipment is reduced, the pressure at the outlet end of the compression chamber is gradually increased. When the set pressure of the inverse proportional valve is reached, the pressure of the output control gas is gradually reduced by the inverse proportional valve adjustment, when the driving device is When the spring force is greater than the control gas pressure coming from the anti-proportional valve, the telescopic rod of the driving device gradually contracts under the reset action of the spring, drives the valve core to rotate, gradually closes the second through hole, reduces the air intake amount, and gradually opens the first through hole. a part of the gas at the gas outlet end of the compression chamber is circulated from the first through hole through the first through hole to the suction end of the compressor through the third through hole to reduce the total amount of air discharged into the gas end after being compressed; during the adjustment process The first through hole is gradually closed, the second through hole is gradually opened, and the opening and closing processes are performed simultaneously; the higher the pressure at the outlet end of the compression chamber, the more the gas pressure outputted by the inverse proportional valve The larger the angle at which the second through groove in the second through hole is closed, the smaller the intake area is, the less the suction is, the larger the opening angle of the first through groove in the first through hole is, and the outlet end of the compression chamber is returned to the end. The more gas at the suction end of the compression chamber, the less gas is produced. When the gas end is completely free of gas, the pressure rises to the highest. When the pressure set by the electrical switch is reached, the electrical switch stops supplying air to the inverse proportional valve, the second through hole is completely closed, and the first through hole is completely opened, the system The excess gas pressure is discharged through the first pipe to the atmosphere outside the system, and the system is under low load operation. The whole process can realize smooth gas supply adjustment according to the actual situation of the gas end, the process is gradual, realize the balance of gas supply and demand, and reduce the energy loss caused by the negative pressure at the suction end, which can achieve constant pressure control and reduce energy consumption. .
在一些实施方式中，驱动装置为气缸，气缸的控制气进口与反比例阀相连接。通过反比例阀与压缩腔出气端相连接，能保持压缩腔出气端的气压处于反比例阀设定的范围内。In some embodiments, the drive device is a cylinder and the control gas inlet of the cylinder is coupled to the inverse proportional valve. By connecting the anti-proportional valve to the outlet end of the compression chamber, the air pressure at the outlet end of the compression chamber can be maintained within the range set by the inverse proportional valve.
在一些实施方式中，驱动装置为电机，通过电机驱动齿轮带动阀芯实现一定角度的转动。In some embodiments, the driving device is a motor, and the motor drive gear drives the valve core to achieve a certain angle of rotation.
在一些实施方式中，阀芯上与外部气源相连通的通道内设有能部分连通第二通孔和第三通孔的第一管道。此设计能在压缩机启动的初期，先通过第一管道进来部分气体，使压缩腔内能建立起来一定的压力，让润滑油流动起来；同时在卸载或停机的时候将***内的压力排出***外，使压缩机处于低负载运行状态。In some embodiments, a first conduit in the spool that is in communication with the external source of air is configured to partially communicate the second through bore and the third through bore. This design can introduce some gas through the first pipe at the beginning of the compressor start-up, so that a certain pressure can be established in the compression chamber to allow the lubricating oil to flow; at the same time, the pressure in the system is discharged from the system during unloading or shutdown. In addition, the compressor is placed in a low load operation.
在一些实施方式中，连通部为第一阀板和第二阀板，在第一阀板完全关闭时第二阀板处于完全打开的状态。依靠阀板不同角度的转动，实现阀门的开启或关闭。这种设计，体积小，加工成本低。In some embodiments, the communication portion is a first valve plate and a second valve plate, the second valve plate being in a fully open state when the first valve plate is fully closed. The valve is opened or closed by depending on the rotation of the valve plate at different angles. This design is small in size and low in processing cost.
在一些实施方式中，连通部为阀芯上径向设置的第一通槽和第二
通槽，在第一通槽完全关闭时第二通槽处于完全打开的状态。这种设计能使从进来的气流没有阻隔地通向第三通孔，流速更快。In some embodiments, the communication portion is a first through slot and a second radially disposed on the spool
The through slot is in a fully open state when the first through slot is completely closed. This design allows the incoming airflow to pass through the third through hole without blocking, and the flow rate is faster.
图1为本实用新型的第一种实施方式开启状态的剖面示意图；Figure 1 is a schematic cross-sectional view showing the first embodiment of the present invention in an open state;
图2为本实用新型的第一种实施方式闭合状态的剖面示意图；Figure 2 is a cross-sectional view showing the closed state of the first embodiment of the present invention;
图3为本实用新型的第二种实施方式闭合状态的剖面示意图；Figure 3 is a cross-sectional view showing the closed state of the second embodiment of the present invention;
图4为本实用新型的阀芯的一种实施方式的俯视图。4 is a top plan view of one embodiment of a valve cartridge of the present invention.
下面结合说明书附图，对本实用新型进行进一步详细的说明。The present invention will be further described in detail below with reference to the accompanying drawings.
如图1所示，本实用新型提供的节能进气阀，包括阀体10和阀芯20。As shown in FIG. 1 , the energy-saving intake valve provided by the utility model comprises a valve body 10 and a valve core 20 .
其中，阀体10包括筒状体11、第一封盖12和第二封盖13，第一封盖12和第二封盖13分别通过焊接或一体成型的方式固定于筒状体11的两端。The valve body 10 includes a cylindrical body 11, a first cover 12 and a second cover 13, and the first cover 12 and the second cover 13 are respectively fixed to the two of the cylindrical body 11 by welding or integral molding. end.
筒状体11的侧壁开有供进气用的第一通孔111、第二通孔112和供出气用的第三通孔113；筒状体11内置有阀芯20，阀芯20能在所述筒状体11内以筒状体11的轴心为轴做旋转运动。The side wall of the cylindrical body 11 is provided with a first through hole 111 for air intake, a second through hole 112, and a third through hole 113 for air supply and outlet; the cylindrical body 11 has a valve body 20 built therein, and the valve body 20 can The cylindrical body 11 is rotated in the axial direction of the cylindrical body 11 as an axis.
阀芯20上开有能在阀门关闭时使第一通孔111和第三通孔113连通的第一连通部；阀芯20上还开有能在阀门开启时使第二通孔112和第三通孔113连通的第二连通部。需要说明的是，这里所说的第一连通部和所述第二连通部分别为阀芯20上径向设置的第二通槽211和第三通槽212。The spool 20 is provided with a first communication portion capable of communicating the first through hole 111 and the third through hole 113 when the valve is closed; the spool 20 is further provided with a second through hole 112 and a first opening when the valve is opened The second communication portion in which the three-way hole 113 communicates. It should be noted that the first communication portion and the second communication portion mentioned herein are respectively the second through groove 211 and the third through groove 212 which are radially disposed on the valve body 20.
第二封盖13上开有第五通孔131，阀芯20的一端通过第五通孔131与驱动装置相连接；这里所说的驱动装置可有多种设置方式，可以是气缸、油缸，也可以是通过电机带动阀芯20旋转。当驱动装置是电机时，阀芯20上可设能与电机的齿轮相啮合的齿槽，当电机运转时，通过齿轮传动带动阀芯20以筒状体11的轴心为轴做旋转。也可以如图1所示，是气缸3。需要重点说明的是，气缸3的进气端与反比例阀4相连接；气缸3能伸缩的伸缩杆31的一端与阀芯20的端部之间设有球套32，球套32内设有可旋转的球头33以及连接球头33的第一连杆34，第一连杆34的另一端与阀芯20相连接；气缸3的伸缩杆31与连接球头33的第一连杆34之间有一定的角度，需要
说明的是：该角度以可实现伸缩杆31的伸缩能驱动第一连杆34带动阀芯2以筒状体11的轴心为轴旋转为目的，第一连杆34与阀芯20的连接也有一定的角度，第一连杆34与阀芯20的连接角度，以能驱动第一连杆34带动阀芯20以筒状体11的轴心为轴旋转为目的；通过伸缩杆31的伸缩推动使球头33在球套32内旋转，通过伸缩杆31的伸缩驱动第一连杆34带动阀芯20以筒状体11的轴心为轴旋转，实现调节进气量和循环气量大小的目的；此处不作限制，总之，驱动装置的设置方法以能实现带动阀芯20在阀体10内以筒状体11的轴心为轴做旋转运动为准。The second cover 13 has a fifth through hole 131. One end of the valve core 20 is connected to the driving device through the fifth through hole 131. The driving device can be arranged in various ways, and can be a cylinder or a cylinder. It is also possible to drive the spool 20 to rotate by the motor. When the driving device is a motor, the valve body 20 can be provided with a tooth groove that can mesh with the gear of the motor. When the motor is running, the valve core 20 is rotated by the shaft of the cylindrical body 11 by the gear transmission. It can also be a cylinder 3 as shown in FIG. It is important to note that the intake end of the cylinder 3 is connected to the inverse proportional valve 4; a ball sleeve 32 is disposed between one end of the telescopic rod 31 of the cylinder 3 capable of telescopic expansion and the end of the spool 20, and the sleeve 32 is provided therein. a rotatable ball head 33 and a first link 34 connecting the ball head 33, the other end of the first link 34 is connected to the spool 20; the telescopic rod 31 of the cylinder 3 and the first link 34 connecting the ball head 33 There is a certain angle between the need
It is to be noted that the angle is such that the expansion and contraction of the telescopic rod 31 can drive the first link 34 to drive the valve body 2 to rotate about the axis of the cylindrical body 11, and the connection of the first link 34 to the spool 20 There is also a certain angle, the connection angle between the first link 34 and the valve body 20 is such that the first link 34 can drive the spool 20 to rotate about the axis of the cylindrical body 11; the telescopic expansion and contraction of the telescopic rod 31 The ball 13 is rotated in the ball sleeve 32, and the first link 34 is driven by the expansion and contraction of the telescopic rod 31 to rotate the spool 20 about the axis of the cylindrical body 11 to adjust the intake air amount and the circulating air volume. The purpose of the present invention is not limited. In short, the driving device is arranged to drive the valve body 20 to rotate in the valve body 10 with the axis of the cylindrical body 11 as an axis.
如图3所示：驱动装置也可以通过第四通孔121与阀芯20相连接。As shown in FIG. 3, the driving device can also be connected to the spool 20 through the fourth through hole 121.
如图1所示，本实用新型所述的节能进气阀在开启状态下，此时，第一通槽211的通道没有位于第一通孔111和第三通孔113之间，阀芯20完全隔断了第一通孔111和第三通孔113之间的连通，压缩腔出气端的气体不能从第一通孔111通过第一通槽211经第三通孔113流向吸气设备内。这种状态下，第二通槽212的通道位于第二通孔112和第三通孔113之间，第二通槽212完全打开第二通孔112和第三通孔113之间的连通，外部气源可从第二通孔112经第二通槽212通过第三通孔113进入压缩机的吸入端进行压缩。As shown in FIG. 1 , the energy-saving intake valve of the present invention is in an open state. At this time, the passage of the first through groove 211 is not located between the first through hole 111 and the third through hole 113 , and the spool 20 The communication between the first through hole 111 and the third through hole 113 is completely blocked, and the gas at the outlet end of the compression chamber cannot flow from the first through hole 111 through the first through groove 211 through the third through hole 113 to the air suction device. In this state, the channel of the second through slot 212 is located between the second through hole 112 and the third through hole 113, and the second through slot 212 completely opens the communication between the second through hole 112 and the third through hole 113. An external air source can be compressed from the second through hole 112 through the second through hole 212 through the third through hole 113 into the suction end of the compressor.
如图2所示，本实用新型所述的节能进气阀在关闭状态下，此时，第二通槽212的通道没有位于第二通孔112和第三通孔113之间，阀芯20完全隔断了第二通孔112和第三通孔113之间的连通，外部气源不能从第二通孔112经第二通槽212通过第三通孔113进入压缩机的吸入端进行压缩。压缩腔出气端的气体可从第一通孔111通过第一通槽211经第三通孔113流向吸气设备内进行循环运行；这种状态下，第一通槽211的通道位于第一通孔111和第三通孔113之间，第一通槽211完全打开第一通孔111和第三通孔113之间的连通；同时***内的多余气体经第一管道30被排入***外的大气当中。As shown in FIG. 2, the energy-saving intake valve of the present invention is in a closed state. At this time, the passage of the second through groove 212 is not located between the second through hole 112 and the third through hole 113, and the spool 20 The communication between the second through hole 112 and the third through hole 113 is completely blocked, and the external air source cannot be compressed from the second through hole 112 through the second through hole 212 through the third through hole 113 into the suction end of the compressor. The gas at the outlet end of the compression chamber can flow from the first through hole 111 through the first through groove 211 through the third through hole 113 to the air suction device for circulating operation; in this state, the passage of the first through groove 211 is located in the first through hole. Between the 111 and the third through hole 113, the first through groove 211 completely opens the communication between the first through hole 111 and the third through hole 113; at the same time, excess gas in the system is discharged into the system through the first pipe 30. In the atmosphere.
本实用新型还包括在第二通孔112关闭时，能连通第二通孔112和第三通孔113的第一管道30；需要重点说明的是：在阀门开启前，在负压的作用下，外部气源通过阀芯20上的第一管道30流向第三通孔113，并进入压缩机的吸气端进行压缩，建立初始压力，使油能够流动起来；卸载时***内高于设定的多余气体从第一管道30排出***外，压缩机处于空载运行。
The utility model further includes a first pipe 30 capable of communicating the second through hole 112 and the third through hole 113 when the second through hole 112 is closed; it is important to note that: before the valve is opened, under the action of the negative pressure The external air source flows through the first pipe 30 on the spool 20 to the third through hole 113, and enters the suction end of the compressor for compression to establish an initial pressure to allow the oil to flow; when the system is unloaded, the system is higher than the setting. The excess gas exits the system from the first conduit 30 and the compressor is running at no load.
以上表述仅为本实用新型的优选方式，应当指出，对本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出若干变形和改进，这些也应视为本实用新型的保护范围之内。
The above description is only a preferred mode of the present invention, and it should be noted that various modifications and improvements may be made by those skilled in the art without departing from the inventive concept. The scope of protection of utility models.
Claims (7)
- 节能进气阀，其特征在于，包括阀体(10)和阀芯(20)以及驱动装置；An energy-saving intake valve, comprising: a valve body (10) and a valve core (20) and a driving device;所述阀体(10)包括筒状体(11)；The valve body (10) includes a cylindrical body (11);所述筒状体(11)开设有第一通孔(111)、第二通孔(112)和第三通孔(113)；所述筒状体(11)内设有所述阀芯(20)，所述阀芯(20)能在所述筒状体(11)内做旋转运动；The cylindrical body (11) is provided with a first through hole (111), a second through hole (112) and a third through hole (113); the cylindrical body (11) is provided with the valve core ( 20), the valve core (20) can perform a rotary motion in the cylindrical body (11);所述阀芯(20)设有能使第一通孔(111)和第三通孔(113)连通的第一连通部；The valve core (20) is provided with a first communication portion capable of communicating the first through hole (111) and the third through hole (113);所述阀芯(20)还设有能使第二通孔(112)和第三通孔(113)连通的第二连通部；The valve core (20) is further provided with a second communication portion capable of communicating the second through hole (112) and the third through hole (113);所述驱动装置与所述阀芯(20)的端部连接，驱动所述阀芯(20)在所述筒状体(11)内部做旋转运动。The driving device is coupled to an end of the spool (20) to drive the spool (20) to perform a rotational movement inside the cylindrical body (11).
- 根据权利要求1所述的节能进气阀，其特征在于，所述第一连通部和所述第二连通部分别为所述阀芯(20)上径向设置的第二通槽(211)和第三通槽(212)。The energy-saving intake valve according to claim 1, wherein the first communication portion and the second communication portion are respectively a second through groove (211) radially disposed on the valve body (20) And a third through slot (212).
- 根据权利要求1所述的节能进气阀，其特征在于，所述阀芯(20)设有能连通第二通孔(112)和第三通孔(113)的第一管道(30)。The energy-saving intake valve according to claim 1, wherein the valve body (20) is provided with a first duct (30) capable of communicating the second through hole (112) and the third through hole (113).
- 根据权利要求1所述的节能进气阀，其特征在于，所述筒状体(11)的两端分别设有第一封盖(12)和第二封盖(13)。The energy-saving intake valve according to claim 1, characterized in that both ends of the cylindrical body (11) are respectively provided with a first cover (12) and a second cover (13).
- 根据权利要求4所述的节能进气阀，其特征在于，所述第一封盖(12)上开设有第四通孔(121)，所述驱动装置通过第四通孔(121)与阀芯(20)的端部相连接。The energy-saving intake valve according to claim 4, wherein the first cover (12) is provided with a fourth through hole (121), and the driving device passes through the fourth through hole (121) and the valve The ends of the core (20) are connected.
- 根据权利要求4所述的节能进气阀，其特征在于，所述第二封盖(13)上开设有第五通孔(131)，所述驱动装置通过第五通孔(131)与阀芯(20)的端部相连接。The energy-saving intake valve according to claim 4, wherein the second cover (13) is provided with a fifth through hole (131), and the driving device passes through the fifth through hole (131) and the valve The ends of the core (20) are connected.
- 根据权利要求1所述的节能进气阀，其特征在于，所述驱动装置为气缸(3)，所述气缸(3)的进气端管道中设有反比例阀(4)。 The energy-saving intake valve according to claim 1, characterized in that the driving device is a cylinder (3), and an anti-proportional valve (4) is provided in the intake end pipe of the cylinder (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094014.XU CN203925945U (en) | 2014-03-03 | 2014-03-03 | Energy-conservation suction valve |
| CN201420094014.X | 2014-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015131776A1 true WO2015131776A1 (en) | 2015-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2015/073359 WO2015131776A1 (en) | 2014-03-03 | 2015-02-27 | Energy-saving inlet valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203925945U (en) |
| WO (1) | WO2015131776A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007393A (en) * | 2021-02-19 | 2021-06-22 | 西藏道一科技设备有限公司 | Special two-gas two-way electromagnetic valve for plateau |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203925945U (en) * | 2014-03-03 | 2014-11-05 | 干平 | Energy-conservation suction valve |
| CN104895767B (en) * | 2015-04-28 | 2017-01-25 | 北京化工大学 | Plug cock type air valve with elliptical spherical surface of reciprocating compressor |
| CN110814586B (en) * | 2019-11-13 | 2021-03-30 | 合肥华升泵阀股份有限公司 | Welding tool for mounting pump valve and welding method thereof |
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| JPH08144946A (en) * | 1994-11-24 | 1996-06-04 | Sanden Corp | Intake and delivery mechanism for compressor |
| EP1486669A2 (en) * | 2003-06-12 | 2004-12-15 | Kabushiki Kaisha Toyota Jidoshokki | Piston type compressor |
| CN201277349Y (en) * | 2008-10-28 | 2009-07-22 | 邝新华 | Two-position air switch |
| CN203442214U (en) * | 2013-08-21 | 2014-02-19 | 干平 | Energy-saving gas inlet valve |
| CN203925945U (en) * | 2014-03-03 | 2014-11-05 | 干平 | Energy-conservation suction valve |
-
2014
- 2014-03-03 CN CN201420094014.XU patent/CN203925945U/en not_active Expired - Fee Related
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2015
- 2015-02-27 WO PCT/CN2015/073359 patent/WO2015131776A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08144946A (en) * | 1994-11-24 | 1996-06-04 | Sanden Corp | Intake and delivery mechanism for compressor |
| EP1486669A2 (en) * | 2003-06-12 | 2004-12-15 | Kabushiki Kaisha Toyota Jidoshokki | Piston type compressor |
| CN201277349Y (en) * | 2008-10-28 | 2009-07-22 | 邝新华 | Two-position air switch |
| CN203442214U (en) * | 2013-08-21 | 2014-02-19 | 干平 | Energy-saving gas inlet valve |
| CN203925945U (en) * | 2014-03-03 | 2014-11-05 | 干平 | Energy-conservation suction valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113007393A (en) * | 2021-02-19 | 2021-06-22 | 西藏道一科技设备有限公司 | Special two-gas two-way electromagnetic valve for plateau |
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|---|---|
| CN203925945U (en) | 2014-11-05 |
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