WO2021057296A1 - Procédé d'assemblage d'électrovanne à trois voies, et électrovanne à trois voies associée - Google Patents

Procédé d'assemblage d'électrovanne à trois voies, et électrovanne à trois voies associée Download PDF

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Publication number
WO2021057296A1
WO2021057296A1 PCT/CN2020/108578 CN2020108578W WO2021057296A1 WO 2021057296 A1 WO2021057296 A1 WO 2021057296A1 CN 2020108578 W CN2020108578 W CN 2020108578W WO 2021057296 A1 WO2021057296 A1 WO 2021057296A1
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WO
WIPO (PCT)
Prior art keywords
valve
assembly
electromagnetic
valve seat
connecting pipe
Prior art date
Application number
PCT/CN2020/108578
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English (en)
Chinese (zh)
Inventor
邸志强
曾庆军
Original Assignee
浙江盾安人工环境股份有限公司
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 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to JP2021576519A priority Critical patent/JP7366162B2/ja
Publication of WO2021057296A1 publication Critical patent/WO2021057296A1/fr

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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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • F16K31/0627—Lift valves with movable valve member positioned between seats
    • 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
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • 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
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid

Definitions

  • This application relates to the technical field of valves, and in particular to an electromagnetic three-way valve assembly method and an electromagnetic three-way valve.
  • the main purpose of the present application is to provide an electromagnetic three-way valve assembly method and an electromagnetic three-way valve, so as to solve the problem of complicated assembly process of the three-way electromagnetic valve in the prior art.
  • an electromagnetic three-way valve assembly method which includes: connecting a guide sleeve with a valve seat; connecting a nut assembly with the valve seat; assembling a valve core assembly, Install the screw, gasket, spring and valve stem of the valve core assembly onto the spring sleeve from bottom to top, and connect the valve stem with the spring sleeve; install the valve core assembly from the bottom of the valve seat upwards to the valve seat, And the valve core assembly is connected with the nut assembly after passing through the guide sleeve.
  • the guide sleeve when the guide sleeve is connected to the valve seat, the guide sleeve is installed above the valve seat.
  • the guide sleeve has a small-diameter section and a large-diameter section that are sequentially connected, and the large-diameter section is connected to the valve seat.
  • the nut assembly When the nut assembly is connected to the valve seat, the nut assembly is sleeved above the valve seat It is connected with the valve seat behind the outer side of the small diameter section of the guide sleeve, and the nut assembly abuts against the guide sleeve.
  • the screw when assembling the valve core assembly, the screw is first threaded on the spring sleeve from bottom to top, and the protrusion of the screw is abutted against the inner edge of the spring sleeve, and then the gasket The and springs are sequentially loaded into the spring sleeve from bottom to top, and the two ends of the gasket are respectively abutted with the screw and the spring, and then the valve stem is connected with the bottom of the spring sleeve.
  • the first gasket, the gasket, and the second gasket are sequentially installed to the lower part of the valve stem from bottom to top, and the second The gasket and the valve stem have an interference fit.
  • the method for assembling the electromagnetic three-way valve further includes connecting the first connecting pipe and the second connecting pipe to the side of the valve seat before connecting the guide sleeve to the valve seat, and the first connecting pipe
  • the second connecting pipe is staggered along the axial direction of the valve core assembly.
  • the method for assembling the electromagnetic three-way valve further includes connecting the third connecting pipe to the bottom surface of the valve seat after the valve core assembly is installed on the valve seat.
  • the third connecting pipe when the third connecting pipe is connected, the third connecting pipe is connected to the valve core seat, the valve core seat is installed to the opening at the bottom of the valve seat, and the opening is blocked.
  • the method for assembling the electromagnetic three-way valve further includes, after installing the third connecting pipe, sleeve the rotor assembly on the outside of the nut assembly, and connect the rotor assembly with the top of the screw.
  • the axial position of the valve core assembly relative to the valve seat and the position of the rotor assembly relative to the nut assembly are adjusted to initialize the electromagnetic three-way valve.
  • the method for assembling the electromagnetic three-way valve further includes, after installing the rotor assembly, arranging the housing on the outside of the rotor assembly, connecting the housing with the valve seat, and then connecting at least one of the housing and the valve seat One is connected to the fixing frame.
  • an electromagnetic three-way valve including: a valve seat; a guide sleeve connected with the valve seat; a nut assembly connected with the valve seat; a valve core assembly, the valve core assembly passing through the guide sleeve
  • the inner part is connected with a nut assembly, and the valve core assembly includes a spring sleeve inserted in the guide sleeve, and a screw, a gasket, a spring and a valve stem which are sequentially connected with the spring sleeve from top to bottom.
  • the valve seat has a first cavity and a second cavity spaced up and down, and a first valve port is formed between the first cavity and the second cavity, and the first cavity Connected with the first connecting pipe and the third connecting pipe, the second cavity is in communication with the second connecting pipe, a second valve port is formed between the first cavity and the third connecting pipe, and the valve core assembly controls the first valve port and The degree of opening of the second valve port.
  • valve core assembly further includes a first sealing gasket, a sealing ring, and a second sealing gasket arranged in order from top to bottom, the first sealing gasket is matched with the first valve port, and the second sealing gasket Cooperate with the second valve port.
  • the inner diameter of the first valve port is larger than the outer diameter of the spring sleeve and smaller than the diameter of the first gasket.
  • the guide sleeve has a small-diameter section and a large-diameter section that are sequentially connected, the large-diameter section is connected to the valve seat, and a part of the nut assembly is sleeved outside the small-diameter section.
  • the valve core assembly is formed by mounting the screw, gasket, spring and valve stem on the spring sleeve from bottom to top, and the assembled valve core assembly is also mounted on the valve seat from bottom to top Yes, this further simplifies the overall process of the electromagnetic three-way valve, which greatly facilitates the assembly process of the electromagnetic three-way valve, and a guide sleeve is installed on the valve seat, the valve core assembly is inserted into the guide sleeve, and the setting of the guide sleeve is increased The guide stroke is improved, and the coaxiality of the valve core assembly is improved, which is beneficial to ensure the installation accuracy of the valve core assembly and ensure the normal and stable operation of the electromagnetic three-way valve.
  • FIG. 1 shows a schematic diagram of the structure when the first connecting pipe and the second connecting pipe of the electromagnetic three-way valve of the present application are fully opened;
  • Fig. 2 shows a schematic structural view of the electromagnetic three-way valve in Fig. 1 when the first connecting pipe and the third connecting pipe are fully opened;
  • Fig. 3 shows a schematic structural diagram of the valve core assembly of the electromagnetic three-way valve in Fig. 1.
  • the present application provides an assembly method for an electromagnetic three-way valve and an electromagnetic three-way valve.
  • FIG. 1 to 3 An electromagnetic three-way valve as shown in Figures 1 to 3, including a valve seat 20, a guide sleeve 10 connected with the valve seat 20, a nut assembly 30 connected with the valve seat 20, and a valve core assembly 40, the valve core assembly 40
  • the valve core assembly 40 is inserted into the guide sleeve 10 and connected to the nut assembly 30.
  • the valve core assembly 40 includes a spring sleeve 45 inserted in the guide sleeve 10, and a screw 41, a washer 42, and a screw 41 connected to the spring sleeve 45 from top to bottom.
  • the spring 43 and the valve stem 44 The spring 43 and the valve stem 44.
  • the assembly method includes connecting the guide sleeve 10 with the valve seat 20; connecting the nut assembly 30 with the valve seat 20; assembling the valve core assembly 40, connecting the screw 41, gasket 42, spring 43 and valve of the valve core assembly 40
  • the rod 44 is sequentially mounted on the spring sleeve 45 from bottom to top, and the valve rod 44 is connected with the spring sleeve 45; the valve core assembly 40 is mounted on the valve seat 20 from below the valve seat 20 upwards, and the valve core assembly 40 After passing through the guide sleeve 10, it is connected with the nut assembly 30.
  • the screw 41, the gasket 42, the spring 43, and the valve stem 44 are sequentially mounted on the spring sleeve 45 from bottom to top to form the valve core assembly 40.
  • the assembled valve core assembly 40 is also mounted from bottom to top.
  • the overall process of the electromagnetic three-way valve is further simplified, which greatly facilitates the assembly process of the electromagnetic three-way valve, and a guide sleeve 10 is installed on the valve seat 20, and the valve core assembly 40 is passed through the guide sleeve In 10, the setting of the guide sleeve 10 increases the stroke of the guide, thereby improving the coaxiality of the valve core assembly 40, which is beneficial to ensure the installation accuracy of the valve core assembly 40 and ensure the normal and stable operation of the electromagnetic three-way valve.
  • the screw 41, washer 42, spring 43, and valve stem 44 are sequentially mounted on the spring sleeve 45 from bottom to top, which means that the screw 41, washer 42, spring 43 and valve stem 44 are assembled from the bottom to the top.
  • the lower end of the spring sleeve 45 is sequentially mounted on the spring sleeve 45 upwards, and finally a structure in which the screw 41, the gasket 42, the spring 43 and the valve stem 44 are arranged in order from top to bottom is formed.
  • the guide sleeve 10 when the guide sleeve 10 is connected to the valve seat 20, the guide sleeve 10 is pressed against the valve seat 20 from above the valve seat 20, and the guide sleeve 10 can be installed above the valve seat 20.
  • a ring groove is provided on the upper surface of the valve seat 20, and an interference fit is adopted between the bottom of the guide sleeve 10 and the ring groove.
  • the guide sleeve 10 is directly press-fitted into the ring groove, and the guide sleeve 10 and The extrusion fit between the ring grooves can reliably connect the guide sleeve 10 with the valve seat 20.
  • the outer side of the guide sleeve 10 of this embodiment includes a small-diameter section and a large-diameter section that are sequentially connected from top to bottom, wherein the bottom of the large-diameter section is in interference fit with the ring groove to connect with the valve seat 20, and the nut assembly 30 and
  • the nut assembly 30 is sleeved over the valve seat 20 on the outside of the small diameter section of the guide sleeve 10 and then connected to the valve seat 20.
  • the nut assembly 30 abuts against the end surface of the small diameter section or is formed with the large diameter section and the small diameter section.
  • the stepped surface abuts, so that the nut assembly 30 abuts the guide sleeve 10, and the guide sleeve 10 is stably fixed on the valve seat 20 by matching the ring groove, and then the nut assembly 30 and the valve seat 20 are welded to each other by laser welding. All together.
  • the top of the spring sleeve 45 has an inner edge extending radially inward, the bottom end of the screw 41 has a protrusion extending radially outward, and the washer 42 and the spring 43 are both contained in the spring sleeve 45. Inside, there is also an interference fit between the top end of the valve stem 44 and the bottom end of the spring sleeve 45.
  • valve core assembly 40 When assembling the valve core assembly 40, first thread the screw 41 on the spring sleeve 45 from bottom to top, and make the screw 41 The protrusion abuts against the inner edge of the spring sleeve 45, so that the upper part of the screw 41 extends out of the spring sleeve 45, so as to facilitate subsequent matching with the nut assembly 30, and then the washer 42 and the spring 43 are sequentially installed from the bottom to the top Inside the spring sleeve 45, and make the two ends of the gasket 42 abut the screw 41 and the spring 43 respectively, and then press the valve stem 44 to the bottom of the spring sleeve 45, and use the laser welding method to connect the valve stem 44 and the spring sleeve 45 Solder together.
  • the screw 41 drives the valve stem 44 to move by squeezing the washer 42 and the spring 43.
  • the valve stem 44 cannot continue to move, the screw 41, the washer 42 and the spring 43 are movable relative to the spring sleeve 45. Therefore, the screw 41 has a certain movement margin. The movement of the screw 41 will press the spring 43 through the gasket 42, so that the movement of the screw 41 is converted into the elastic force of the spring 43 and stored, so as to avoid hard contact.
  • the valve core assembly 40 further includes a first sealing gasket 46, a sealing ring 47, and a second sealing gasket 48 arranged in order from top to bottom.
  • a first sealing gasket 46, a sealing ring 47, and a second sealing gasket 48 arranged in order from top to bottom.
  • the specific flow distribution ratio can be distributed in any proportion according to the needs of the system.
  • the sealing ring 47 is mainly used to seal the gap between the first sealing gasket 46 and the second sealing gasket 48. Because the first gasket 46 is movable relative to the valve stem 44, some fluid may overflow from the gap between the first gasket 46 and the valve stem 44, and the sealing ring 47 can block the gap to avoid The overflow of fluid ensures the effect of the electromagnetic three-way valve.
  • the electromagnetic three-way valve assembly method further includes welding the first connecting pipe 50 and the second connecting pipe 60 to the valve seat 20 by means of furnace welding before connecting the guide sleeve 10 and the valve seat 20.
  • the side surface, and the first connecting pipe 50 and the second connecting pipe 60 are staggered along the axial direction of the valve core assembly 40.
  • the method for assembling the electromagnetic three-way valve further includes connecting the third connecting pipe 70 to the bottom surface of the valve seat 20 after the valve core assembly 40 is installed on the valve seat 20.
  • the valve seat 20 of this embodiment includes a first cavity 21 and a second cavity 22 spaced from bottom to top, wherein the first connecting pipe 50 communicates with the first cavity 21 and serves as a fluid inlet.
  • the second connecting pipe 60 communicates with the second cavity 22 as a fluid outlet, and the third connecting pipe 70 also communicates with the first cavity 21 as another fluid outlet, where the first cavity 21 and the second cavity 22 are connected
  • a first valve port 23 is opened.
  • the size of the first valve port 23 is larger than the size of the spring sleeve 45 and slightly smaller than the size of the first gasket 46.
  • the first gasket 46 cooperates with the first valve port 23, thereby To control the on-off and opening between the first connecting pipe 50 and the second connecting pipe 60, the first connecting pipe 50 and the second connecting pipe 60 are perpendicular to the axis of the electromagnetic three-way valve, and the third connecting pipe 70 is connected to the electromagnetic three-way valve.
  • the axis of the valve is parallel.
  • the third connecting pipe 70 has a second valve port 24.
  • the opening size of the second valve port 24 is slightly smaller than the size of the second sealing gasket 48.
  • the second sealing gasket 48 is matched with the second valve port 24. Thereby controlling the on-off and opening degree between the first connecting pipe 50 and the third connecting pipe 70.
  • the bottom of the valve seat 20 is open, and its opening is larger, so that the valve core assembly 40 can be installed from the bottom of the valve seat 20.
  • a valve core seat 80 is also provided.
  • the second gasket 48 is not directly matched with the third connecting pipe 70, but is matched with the valve core seat 80.
  • the second valve port 24 is opened in the valve core.
  • the second sealing gasket 48 contacts and cooperates with the valve core seat 80 to realize the change of the opening degree of the second valve port 24.
  • one end of the third connecting pipe 70 extending into the valve core seat 80 can be directly contacted and fitted with the second sealing gasket 48. At this time, the mouth of the third connecting pipe 70 is the second valve port 24.
  • the method for assembling the electromagnetic three-way valve further includes, after installing the third connecting pipe 70, arranging the rotor assembly 90 on the outside of the nut assembly 30 from above the nut assembly 30, and aligning the rotor assembly 90 with the screw 41 The top connection.
  • the initialization refers to adjusting the spool assembly 40 and the rotor assembly 90 so that the electromagnetic three-way valve meets the factory requirements. The specific initialization conditions may change according to actual needs.
  • the position of the valve core assembly 40 is the lower limit position, and accordingly , Adjust the position of the rotor assembly 90 relative to the nut assembly 30 through the stop rod on the rotor assembly 90 and the slip ring located on the guide rail of the linear spring of the nut assembly 30, so that the rotor assembly 90 is at the lower limit position relative to the nut assembly 30, That is, the position shown in FIG. 1, in this way, the initialization adjustment is completed, and then the rotor assembly 90 and the valve stem 44 are welded together by laser welding to complete the connection of the rotor assembly 90 and the valve stem 44.
  • the method for assembling the electromagnetic three-way valve further includes after installing the rotor assembly 90, covering the housing 100 on the outside of the rotor assembly 90, and welding the housing 100 and the valve seat 20 together by laser welding, and then By welding at least one of the housing 100 and the valve seat 20 and the fixing frame 110 for winding the coil together by laser welding, the entire electromagnetic three-way valve can be assembled.
  • the setting of the guide sleeve increases the stroke of the guide, thereby improving the coaxiality of the valve core assembly, which is beneficial to ensure the installation accuracy of the valve core assembly;

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

Abstract

L'invention concerne un procédé d'assemblage d'une électrovanne à trois voies, le procédé consistant : à relier un manchon de guidage (10) à un siège (20) de vanne ; à relier un ensemble écrou (30) au siège (20) de vanne ; à assembler un ensemble élément vanne (40), à monter successivement une vis (41), un joint d'étanchéité (42), un ressort (43) et une tige (44) de vanne de l'ensemble élément vanne (40) sur un manchon (45) à ressort, de bas en haut, et à relier la tige (44) de vanne au manchon (45) à ressort ; à monter l'ensemble élément vanne (40) sur le siège (20) de vanne à partir d'une position sous le siège (20) de vanne vers le haut, et à relier l'ensemble élément vanne (40) à l'ensemble écrou (30) après son passage à travers le manchon de guidage (10).
PCT/CN2020/108578 2019-09-29 2020-08-12 Procédé d'assemblage d'électrovanne à trois voies, et électrovanne à trois voies associée WO2021057296A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021576519A JP7366162B2 (ja) 2019-09-29 2020-08-12 電磁三方弁の装着方法及び電磁三方弁

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910936052.2A CN112576800B (zh) 2019-09-29 2019-09-29 电磁三通阀装配方法及电磁三通阀
CN201910936052.2 2019-09-29

Publications (1)

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WO2021057296A1 true WO2021057296A1 (fr) 2021-04-01

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PCT/CN2020/108578 WO2021057296A1 (fr) 2019-09-29 2020-08-12 Procédé d'assemblage d'électrovanne à trois voies, et électrovanne à trois voies associée

Country Status (3)

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JP (1) JP7366162B2 (fr)
CN (1) CN112576800B (fr)
WO (1) WO2021057296A1 (fr)

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CN112576800B (zh) 2022-06-17
JP2022549049A (ja) 2022-11-24
JP7366162B2 (ja) 2023-10-20
CN112576800A (zh) 2021-03-30

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