WO2008138173A1 - A megnetically controlled four-way reversing valve - Google Patents

A megnetically controlled four-way reversing valve Download PDF

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Publication number
WO2008138173A1
WO2008138173A1 PCT/CN2007/001627 CN2007001627W WO2008138173A1 WO 2008138173 A1 WO2008138173 A1 WO 2008138173A1 CN 2007001627 W CN2007001627 W CN 2007001627W WO 2008138173 A1 WO2008138173 A1 WO 2008138173A1
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WO
WIPO (PCT)
Prior art keywords
motor
pipe
transmission
high pressure
transmission wheel
Prior art date
Application number
PCT/CN2007/001627
Other languages
French (fr)
Chinese (zh)
Inventor
Jianhua Jiang
Original Assignee
Jianhua Jiang
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Publication date
Application filed by Jianhua Jiang filed Critical Jianhua Jiang
Publication of WO2008138173A1 publication Critical patent/WO2008138173A1/en

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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
    • 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
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • F16K11/0743—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces with both the supply and the discharge passages being on one side of the closure plates
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor

Definitions

  • the utility model relates to a four-way reversing valve used in a heat pump type air conditioner and a refrigerating device for changing a direction of a refrigerant gas flow, in particular to a magnetically controlled four-way reversing valve.
  • Cipheral Patent Publication No. CN18079:5A discloses a "photoelectrically controlled eccentrically positioned one-arm four-way reversing valve" which includes a sealed valve body, an intake pipe, a common pipe, a first exchange pipe, a second exchange pipe, The transmission mechanism and the reversing device, the valve body is separated into a high pressure chamber and a control chamber by a partition plate, and the intake pipe, the common pipe, the first exchange pipe and the second exchange pipe are connected with the high pressure cavity, and the transmission mechanism is placed in the transmission control cavity
  • the reversing device is disposed in the high pressure chamber, the transmission mechanism includes a motor and a drive shaft, and the partition plate is provided with a shaft hole, wherein the common pipe, the first exchange tube and the second exchange tube are arranged in a triangle on the high pressure chamber.
  • the reversing valve comprises a single-arm swinging block and a tooth plate which are closely adhered to each other, and the single-arm swinging block is provided with a low-pressure air groove, which covers the common pipe and the first exchange pipe or the common pipe and the second exchange pipe, and swings the single arm
  • the block is pivotally disposed on the partition plate at a bottom portion corresponding to the common pipe to keep the common pipe covered by the low-pressure air groove.
  • the top end of the transmission shaft is provided with a reduction gear, and the gear front end is provided. The teeth, the reduction gear engaged with said tooth plate.
  • the four-way reversing valve Since the four-way reversing valve is driven by the shaft, it is required to provide a shaft hole on the partition plate, which requires a sealing device between the partition plate and the shaft, and a dynamic fit between the sealing device and the shaft often results in a seal. Difficulties, high precision requirements, and the service life will be shortened due to the wear of the sealing device. At the same time, the insulation sleeve needs to be provided for the transmission control chamber. In addition, because the entire transmission structure is completely immersed in the refrigerant of the air conditioner or other refrigeration equipment. When the parts in the transmission cavity are faulty, it is inconvenient to replace, and the refrigerant inside must be drained when replacing the parts. Because the refrigerant is a substance that pollutes the atmosphere, it will have a great impact on the environment. Utility model content
  • the purpose of the utility model is to solve the above-mentioned deficiencies of the prior art, and provide a magnetically controlled four-way reversing valve with good sealing performance, long service life, simple structure and convenient maintenance.
  • the technical scheme of the utility model is: a magnetically controlled four-way reversing valve, which comprises a transmission control chamber, a high pressure chamber, an intake pipe, a common pipe, a first exchange pipe, a second exchange pipe, a transmission mechanism and a reversing device, and an intake pipe
  • the common pipe, the first exchange pipe and the second exchange pipe are connected to the high pressure chamber, and the reversing device is placed in the high pressure chamber, wherein the common pipe, the first exchange pipe and the second exchange pipe are arranged in a triangle on the high pressure cavity.
  • the transfer chamber is completely separated from the high pressure chamber, and the reversing valve comprises a single arm swing block and a tooth plate which are closely attached to each other, and the single arm swing block is provided with a low pressure air groove, which covers the common pipe and the first exchange tube Or a shared tube and a second exchange tube, and a single arm pendulum
  • the moving block is pivotally disposed on the base through a pivot at a bottom portion corresponding to the common pipe to keep the common pipe covered by the low-pressure air groove.
  • the transmission mechanism includes a motor, a transmission shaft, a gear reduction box, and a magnetic coupling transmission.
  • the magnetic coupling transmission wheel comprises a motor transmission wheel and a reduction gear box transmission wheel, and the motor, the transmission shaft and the motor transmission wheel are sequentially connected in the transmission control cavity and fixed on the base, the reduction tooth box transmission wheel and the reduction tooth box
  • the reversing valve is sequentially connected and placed in the high pressure chamber, and the motor transmission wheel and the reduction gear box transmission wheel correspond to the outer side and the inner side of the same position of the high pressure chamber.
  • the one-arm swing block is a precision ceramic block, and a ceramic base is correspondingly disposed on the bottom plate within the moving track range of the single-arm swing block.
  • a motor control circuit board is disposed in the control cavity.
  • the transmission between the control cavity and the high pressure cavity adopts a magnetic coupling transmission, and the transmission control cavity is completely separated from the high pressure cavity, and the shaft hole is not required to be opened in the middle, thereby greatly improving the sealing of the high pressure cavity. Sex, can prevent the refrigerant in the high pressure chamber from entering the control chamber.
  • the parts in the control chamber have higher failure rate than the high pressure chamber, it is very convenient to repair when the parts in the control chamber are faulty. The maintenance does not need to discharge the refrigerant in the high-pressure chamber, which will not affect the environmental protection.
  • the single-arm swing block and the bottom plate adopt precision ceramics with high wear resistance and heat resistance, which is better than the prior art.
  • the sealing property can completely reduce the internal leakage of the common tube and the exchange tube snow medium, and has the advantages of long service life.
  • Figure 1 is a perspective view of the utility model
  • Figure 2 is a cross-sectional view of Figure 1A-A;
  • Figure 3 is a cross-sectional view of Figure 1B-B;
  • Figure 4 is a structural view of the ceramic base disposed on the bottom plate within the range of the movement path of the ceramic single-arm swing block and the single-arm swing block.
  • the magnetically controlled four-way reversing valve in Fig. 1, Fig. 2, Fig. 3 includes a control chamber 1, a high pressure chamber 2, an intake pipe 3, a common pipe 4, and a first The exchange tube 5, the second exchange tube 6, the intake tube 3, the common tube 4, the first exchange tube 5, and the second exchange tube are connected to the high pressure chamber, wherein the common tube 4 ⁇ , the first exchange tube 5, and the second The exchange tube 6 is arranged in a triangular shape on the high pressure chamber 2, and the transmission mechanism includes a motor 10, a transmission shaft 11, a reduction gear box 12, a motor transmission wheel 13 and a reduction gear box transmission wheel 14, a motor 10, a transmission shaft 11, and a motor transmission wheel 13 Connected in turn in the control chamber 1, decelerating the tooth box
  • the movable wheel 14, the reduction gear box 12, the tooth plate 8 and the one-arm swing block 7 are sequentially connected and placed in the high pressure chamber 2 and fixed on the base 15, and the motor transmission wheel 13 and the reduction
  • the bottom of the port 4 is pivotally mounted to the base by a pivot to keep the common tube completely covered by the low pressure gas channel.
  • a motor control circuit board 16 is disposed in the control cavity.
  • the one-arm swing block 7 in Fig. 4 is a precision ceramic block, and a ceramic base 17 is correspondingly disposed on the bottom plate within the range of the movement path of the one-arm swing block.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

A magnetically controlled four-way reversing valve includes a transmission chamber, a high-pressure chamber, an inlet tube, a shared tube, the first exchange tube, the second exchange tube, a transmission mechanism and a reversing device. The transmission mechanism includes a motor, a transmission shaft, a reduction gearbox, and drive pulleys that are coupled with each other by magnetic force. The drive pulleys that are coupled with each other by magnetic force include a motor drive pulley and a reduction gearbox drive pulley. The motor, the transmission shaft and the motor drive pulley are connected in sequence, placed in the transmission chamber and fixed on a base. The reduction gearbox drive pulley, the reduction gearbox and the reversing device are connected in sequence and placed in the high-pressure chamber. The motor drive pulley and the reduction gearbox drive pulley are located respectively outside and inside of the same location of the high-pressure chamber. Compared with the prior art, this magnetically controlled four- way reversing valve has following advantages that good seal, long service lift, easy maintenance and so on.

Description

磁控四通换向阀 技术领域  Magnetically controlled four-way reversing valve
本实用新型涉及热泵型空调与制冷装置上使用的用以改变制冷剂气流方向的 四通换向阀， 特别涉及的是一种磁控四通换向阀。 背景技术  The utility model relates to a four-way reversing valve used in a heat pump type air conditioner and a refrigerating device for changing a direction of a refrigerant gas flow, in particular to a magnetically controlled four-way reversing valve. Background technique
中国发明专利公开号为 CN18079 :5A 公开了一种 "光电控制式偏心定位单臂四 通换向阀" 它包括密封的阀体、 进气管、 共用管、 第一交换管、 第二交换管、 传 动机构和换向装置， 阀体被一隔板分隔为高压腔和传控腔， 进气管、 共用管、 第 一交换管、 第二交换管与高压腔相贯通， 传动机构置于传控腔内， 换向装置置于 高压腔内， 传动机构包括电机和传动轴， 隔板上设置有轴孔， 其中， 共用管、 第 一交换管、 第二交换管在高压腔上面呈三角形排列， 所述换向阀包括互相紧密贴 合的单臂摆动块和齿板， 单臂摆动块设有低压气槽， 恰好遮盖共用管与第一交换 管或共用管与第二交换管， 且单臂摆动块于对应所述共用管的的底部通过一枢轴 枢设在隔板上以保持共用管始终被所述低压气槽所遮盖， 所述传动轴顶端设有减 速齿轮， 齿轮前端设有锯齿， 该减速齿轮与所述齿板相啮合。 这种四通换向阀由 于通过轴传动， 需要在隔板上设置有轴孔， 这就需要在隔板与轴之间设置密封装 置， 密封装置与轴之间是动配合， 往往造成密封较困难， 精密度要求高， 并且使 用寿命会因为密封装置磨损而縮短， 同时对传控腔还需要设置隔热套， 另外， 因 为整个传动结构的设备是全部浸泡在空调或其他制冷设备的冷媒里面， 当传动腔 内的零配件发生故障时， 不方便更换， 而且更换零件时必须排尽里面的冷媒， 因 为冷媒是对大气会造成污染的物质， 所以对环境保护会造成很大的影响。 实用新型内容  Chinese Patent Publication No. CN18079:5A discloses a "photoelectrically controlled eccentrically positioned one-arm four-way reversing valve" which includes a sealed valve body, an intake pipe, a common pipe, a first exchange pipe, a second exchange pipe, The transmission mechanism and the reversing device, the valve body is separated into a high pressure chamber and a control chamber by a partition plate, and the intake pipe, the common pipe, the first exchange pipe and the second exchange pipe are connected with the high pressure cavity, and the transmission mechanism is placed in the transmission control cavity The reversing device is disposed in the high pressure chamber, the transmission mechanism includes a motor and a drive shaft, and the partition plate is provided with a shaft hole, wherein the common pipe, the first exchange tube and the second exchange tube are arranged in a triangle on the high pressure chamber. The reversing valve comprises a single-arm swinging block and a tooth plate which are closely adhered to each other, and the single-arm swinging block is provided with a low-pressure air groove, which covers the common pipe and the first exchange pipe or the common pipe and the second exchange pipe, and swings the single arm The block is pivotally disposed on the partition plate at a bottom portion corresponding to the common pipe to keep the common pipe covered by the low-pressure air groove. The top end of the transmission shaft is provided with a reduction gear, and the gear front end is provided. The teeth, the reduction gear engaged with said tooth plate. Since the four-way reversing valve is driven by the shaft, it is required to provide a shaft hole on the partition plate, which requires a sealing device between the partition plate and the shaft, and a dynamic fit between the sealing device and the shaft often results in a seal. Difficulties, high precision requirements, and the service life will be shortened due to the wear of the sealing device. At the same time, the insulation sleeve needs to be provided for the transmission control chamber. In addition, because the entire transmission structure is completely immersed in the refrigerant of the air conditioner or other refrigeration equipment. When the parts in the transmission cavity are faulty, it is inconvenient to replace, and the refrigerant inside must be drained when replacing the parts. Because the refrigerant is a substance that pollutes the atmosphere, it will have a great impact on the environment. Utility model content
本实用新型的目的是为了解决上述现有技术的不足， 提供密闭性能良好， 使 用寿命长、 结构简单、 且维修方便的磁控四通换向阀。 本实用新型的技术方案为： 磁控四通换向阀， 它包括传控腔、 高压腔、 进气 管、 共用管、 第一交换管、 第二交换管、 传动机构和换向装置， 进气管、 共用 管、 第一交换管、 第二交换管与高压腔相贯通， 换向装置置于高压腔内， 其中， 共用管、 第一交换管、 第二交换管在高压腔上面呈三角形排列， 所述传控腔与高 压腔完全隔开， 所述换向阀包括互相紧密贴合的单臂摆动块和齿板， 单臂摆动块 设有低压气槽， 恰好遮盖共用管与第一交换管或共用管与第二交换管， 且单臂摆 动块于对应所述共用管的底部通过一枢轴枢设在底座上以保持共用管始终被所述 低压气槽所遮盖， 所述传动机构包括马达、 传动轴、 减速牙箱和磁力耦合传动 轮， 所述磁力耦合传动轮包括马达传动轮和减速牙箱传动轮， 马达、 传动轴、 马 达传动轮依次连接置于传控腔内并固定在底座上， 减速牙箱传动轮、 减速牙箱、 换向阀依次连接并置于高压腔内， 马达传动轮与减速牙箱传动轮对应于高压腔同 一位置的外侧与内侧。 所述单臂摆动块为精密陶瓷块， 对应地在单臂摆动块的移动轨迹范围内的底 板上设置陶瓷底座。 所述传控腔内设置马达控制线路板。 本实用新型由于采用了上述结构， 传控腔与高压腔之间的传动采用的是磁力 耦合传动， 传控腔与高压腔完全隔开， 中间不需要开设轴孔， 大大提高了高压腔 的密封性， 能够让高压腔里面的冷媒不会进入传控腔'， 同时， 因为传控腔里的零 件相对高压腔的零件故障率比较高， 当传控腔里零件出现故障时进行维修非常方 便， 维修时不需要排放高压腔里面的冷媒， 不会对环境保护造成影响， 另外单臂 摆动块和底板采用了耐磨和耐热性能较高的精密陶瓷， 与现有技术相比具有更好 的密封性， 能够更完全的降低共用管与交换管雪媒的内部泄漏， 使用寿命长的优 点。 附图说明 The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art, and provide a magnetically controlled four-way reversing valve with good sealing performance, long service life, simple structure and convenient maintenance. The technical scheme of the utility model is: a magnetically controlled four-way reversing valve, which comprises a transmission control chamber, a high pressure chamber, an intake pipe, a common pipe, a first exchange pipe, a second exchange pipe, a transmission mechanism and a reversing device, and an intake pipe The common pipe, the first exchange pipe and the second exchange pipe are connected to the high pressure chamber, and the reversing device is placed in the high pressure chamber, wherein the common pipe, the first exchange pipe and the second exchange pipe are arranged in a triangle on the high pressure cavity. The transfer chamber is completely separated from the high pressure chamber, and the reversing valve comprises a single arm swing block and a tooth plate which are closely attached to each other, and the single arm swing block is provided with a low pressure air groove, which covers the common pipe and the first exchange tube Or a shared tube and a second exchange tube, and a single arm pendulum The moving block is pivotally disposed on the base through a pivot at a bottom portion corresponding to the common pipe to keep the common pipe covered by the low-pressure air groove. The transmission mechanism includes a motor, a transmission shaft, a gear reduction box, and a magnetic coupling transmission. The magnetic coupling transmission wheel comprises a motor transmission wheel and a reduction gear box transmission wheel, and the motor, the transmission shaft and the motor transmission wheel are sequentially connected in the transmission control cavity and fixed on the base, the reduction tooth box transmission wheel and the reduction tooth box The reversing valve is sequentially connected and placed in the high pressure chamber, and the motor transmission wheel and the reduction gear box transmission wheel correspond to the outer side and the inner side of the same position of the high pressure chamber. The one-arm swing block is a precision ceramic block, and a ceramic base is correspondingly disposed on the bottom plate within the moving track range of the single-arm swing block. A motor control circuit board is disposed in the control cavity. Because the utility model adopts the above structure, the transmission between the control cavity and the high pressure cavity adopts a magnetic coupling transmission, and the transmission control cavity is completely separated from the high pressure cavity, and the shaft hole is not required to be opened in the middle, thereby greatly improving the sealing of the high pressure cavity. Sex, can prevent the refrigerant in the high pressure chamber from entering the control chamber. At the same time, because the parts in the control chamber have higher failure rate than the high pressure chamber, it is very convenient to repair when the parts in the control chamber are faulty. The maintenance does not need to discharge the refrigerant in the high-pressure chamber, which will not affect the environmental protection. In addition, the single-arm swing block and the bottom plate adopt precision ceramics with high wear resistance and heat resistance, which is better than the prior art. The sealing property can completely reduce the internal leakage of the common tube and the exchange tube snow medium, and has the advantages of long service life. DRAWINGS
图 1本实用新型立体图；  Figure 1 is a perspective view of the utility model;
图 2是图 1A-A面剖视图； 图 3是图 1B-B面剖视图； 图 4 是陶瓷单臂摆动块与单臂摆动块的移动轨迹范围内的底板上设置陶瓷底 座结构图。 具体实施例  Figure 2 is a cross-sectional view of Figure 1A-A; Figure 3 is a cross-sectional view of Figure 1B-B; Figure 4 is a structural view of the ceramic base disposed on the bottom plate within the range of the movement path of the ceramic single-arm swing block and the single-arm swing block. Specific embodiment
下面结合附图对本实用新型作进一步说明： 图 1、 图 2、 图 3 中的磁控四通换 向阀， 它包括传控腔 1、 高压腔 2、 进气管 3、 共用管 4、 第一交换管 5、 第二交换 管 6， 进气管 3、 共用管 4、 第一交换管 5、 第二交换管与高压腔） 相贯通， 其 中， 共用管 4·、 第一交换管 5、 第二交换管 6在高压腔 2上面呈三角形排列， 传动 机构包括马达 10、 传动轴 11、 减速牙箱 12、 马达传动轮 13 和减速牙箱传动轮 14， 马达 10、 传动轴 11、 马达传动轮 13依次连接置于传控腔 1 内， 减速牙箱传 动轮 14、 减速牙箱 12、 齿板 8和单臂摆动块 7依次连接置于高压腔 2内并固定在 底座 15上， 马达传动轮 13与减速牙箱传动轮 14对应于高压腔 2同一位置的外则 与内则， 单臂摆动块 7设有低压气槽 9， 恰好遮盖共用管与第一交换管或共用管与 第二交换管 6， 且单臂摆动块 7于对应所述共用管口 4处的底部通过一枢轴枢设在 底座上以保持共用管始终被所述低压气槽所遮盖。 所述传控腔内设置马达控制线 路板 16。 图 4 中的单臂摆动块 7 为精密陶瓷块， 对应地在单臂摆动块的移动轨迹范围 内的底板上设置陶瓷底座 17。 The utility model will be further described below with reference to the accompanying drawings: The magnetically controlled four-way reversing valve in Fig. 1, Fig. 2, Fig. 3 includes a control chamber 1, a high pressure chamber 2, an intake pipe 3, a common pipe 4, and a first The exchange tube 5, the second exchange tube 6, the intake tube 3, the common tube 4, the first exchange tube 5, and the second exchange tube are connected to the high pressure chamber, wherein the common tube 4·, the first exchange tube 5, and the second The exchange tube 6 is arranged in a triangular shape on the high pressure chamber 2, and the transmission mechanism includes a motor 10, a transmission shaft 11, a reduction gear box 12, a motor transmission wheel 13 and a reduction gear box transmission wheel 14, a motor 10, a transmission shaft 11, and a motor transmission wheel 13 Connected in turn in the control chamber 1, decelerating the tooth box The movable wheel 14, the reduction gear box 12, the tooth plate 8 and the one-arm swing block 7 are sequentially connected and placed in the high pressure chamber 2 and fixed on the base 15, and the motor transmission wheel 13 and the reduction gear box transmission wheel 14 correspond to the same position of the high pressure chamber 2 The outer arm and the inner arm are provided with a low-pressure air groove 9 to cover the common pipe and the first exchange pipe or the common pipe and the second exchange pipe 6, and the one-arm swing block 7 corresponds to the common pipe. The bottom of the port 4 is pivotally mounted to the base by a pivot to keep the common tube completely covered by the low pressure gas channel. A motor control circuit board 16 is disposed in the control cavity. The one-arm swing block 7 in Fig. 4 is a precision ceramic block, and a ceramic base 17 is correspondingly disposed on the bottom plate within the range of the movement path of the one-arm swing block.

Claims

权利要求 、 磁控四通换向阀， 它包括传控腔、 高压腔、 进气管、 共用管、 第一交换管、 第 二交换管、 传动机构和换向装置， 进气管、 共用管、 第一交换管、 第二交换管 与高压腔相贯通， 换向装置置于高压腔内， 其中， 共用管、 第一交换管、 第二 交换管在高压腔上面呈三角形排列， 所述换向阔包括互相紧密贴合的单臂摆动 块和齿板， 单臂摆动块设有低压气槽， 恰好遮盖共用管与第一交换管或共用管 与第二交换管， 且单臂摆动块于对应所述共用管的底部通过一枢轴枢设在底座 上以保持共用管始终被所述低压气槽所遮盖， 其特征在于所述传动机构包括马 达、 传动轴、 减速牙箱和磁力耦合传动轮， 所述磁力藕合传动轮包括马达传动 轮和减速牙箱传动轮， 马达、 传动轴、 马达传动轮依次连接置于传控腔内并固 定在底座上， 减速牙箱传动轮、 减速牙箱、 换向阀依次连接并置于高压腔内， 马达传动轮与减速牙箱传动轮对应于高压腔同一位置的外侧与内侧。 、 根据权利要求 1 所述的磁控四通换向阀， 其特征在于所述马达传动轮和减速牙 箱传动轮为永磁磁块做成。 、 根据权利要求 1 所述的磁控四通换向阀， 其特征在于所述单臂摆动块为陶瓷 块， 对应地在单臂摆动块的移动轨迹范围内的底板上设置陶瓷底座。 、 根据权利要求 1 所述的磁控四通换向阀， 其特征在于所述传控腔内设置马达控 制线路板。 Claims, a magnetically controlled four-way reversing valve, comprising a control chamber, a high pressure chamber, an intake pipe, a common pipe, a first exchange pipe, a second exchange pipe, a transmission mechanism and a reversing device, an intake pipe, a common pipe, and a An exchange tube and a second exchange tube are connected to the high pressure chamber, and the reversing device is disposed in the high pressure chamber, wherein the common tube, the first exchange tube and the second exchange tube are arranged in a triangle on the high pressure chamber, and the commutation is wide The utility model comprises a single-arm swinging block and a tooth plate which are closely adhered to each other, and the single-arm swinging block is provided with a low-pressure air groove, which covers the common pipe and the first exchange pipe or the common pipe and the second exchange pipe, and the one-arm swing block is in the corresponding place The bottom of the common pipe is pivoted on the base by a pivot to keep the common pipe covered by the low pressure air groove, and the transmission mechanism comprises a motor, a transmission shaft, a gear reduction box and a magnetic coupling transmission wheel. The magnetic coupling transmission wheel comprises a motor transmission wheel and a reduction gear box transmission wheel, and the motor, the transmission shaft and the motor transmission wheel are sequentially connected in the control cavity and fixed on the base, and the reduction tooth Drive wheel, the reduction gear box, and placed in a high pressure valve connected in sequence the cavity, the motor and the reduction gear box transmission wheel transmission wheel corresponds to the same position in the high pressure chamber outside and the inside. The magnetron four-way reversing valve according to claim 1, wherein said motor transmission wheel and said reduction gear transmission wheel are made of permanent magnet magnets. The magnetron four-way reversing valve according to claim 1, wherein the one-arm swinging block is a ceramic block, and a ceramic base is correspondingly disposed on the bottom plate within a moving track range of the one-arm swinging block. The magnetron four-way reversing valve according to claim 1, wherein a motor control circuit board is disposed in the transmission control chamber.
PCT/CN2007/001627 2007-05-14 2007-05-18 A megnetically controlled four-way reversing valve WO2008138173A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720051333.2 2007-05-14
CNU2007200513332U CN201050618Y (en) 2007-05-14 2007-05-14 Magnetically controlled four-way diverter valve

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WO2008138173A1 true WO2008138173A1 (en) 2008-11-20

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* Cited by examiner, † Cited by third party
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CN109519564B (en) * 2017-09-20 2020-10-30 浙江三花汽车零部件有限公司 Electric valve

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CN1601157A (en) * 2004-10-21 2005-03-30 姜永明 Electric four-way change valve
CN1807945A (en) * 2006-01-23 2006-07-26 文定国 Photoelectrically controlled eccentric-positioning one-arm four-way reversing valve

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JPH08152075A (en) * 1994-11-28 1996-06-11 Yokohama Eirokuitsupu Kk Directional control valve
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CN1807945A (en) * 2006-01-23 2006-07-26 文定国 Photoelectrically controlled eccentric-positioning one-arm four-way reversing valve

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