WO2018036511A1 - Ensemble manchon et soupape de commande et système de climatisation les comprenant - Google Patents

Ensemble manchon et soupape de commande et système de climatisation les comprenant Download PDF

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Publication number
WO2018036511A1
WO2018036511A1 PCT/CN2017/098623 CN2017098623W WO2018036511A1 WO 2018036511 A1 WO2018036511 A1 WO 2018036511A1 CN 2017098623 W CN2017098623 W CN 2017098623W WO 2018036511 A1 WO2018036511 A1 WO 2018036511A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
assembly
bushing assembly
gear
valve
Prior art date
Application number
PCT/CN2017/098623
Other languages
English (en)
Chinese (zh)
Inventor
唐韩维
魏先让
丁帅锋
Original Assignee
浙江三花智能控制股份有限公司
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 浙江三花智能控制股份有限公司 filed Critical 浙江三花智能控制股份有限公司
Priority to KR1020197007763A priority Critical patent/KR20190035914A/ko
Priority to JP2019511547A priority patent/JP2019528413A/ja
Publication of WO2018036511A1 publication Critical patent/WO2018036511A1/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
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • 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

Definitions

  • the present invention relates to the field of valves, and in particular to a bushing assembly and a control valve and air conditioning system therewith.
  • the electric three-way valve is mainly used in the air conditioning system, and is composed of a valve body and a coil, wherein the valve body has three valve ports.
  • the working principle is as follows: the coil is driven by a current pulse to give an electromagnetic driving force in a circumferential direction of the magnetic rotor component in the valve body, and the magnetic rotor component can be rotated in a clockwise direction or a counterclockwise direction, and the valve body is driven by a gear.
  • the driving force is transmitted to the slider, and the slider rotates with the rotor, so that the opening and closing of the two valve ports can be switched, and the refrigerant flow path of the air conditioning system is switched.
  • the valve has a sleeve member consisting of a large sleeve 2 and a small sleeve 1.
  • the large sleeve 2 and the small sleeve 1 are both formed by thin-walled metal, and the lower end of the large sleeve 2 is a tubular straight cylindrical opening 23, and the upper end of the large sleeve 2 is formed by a tubular drawing of a tubular boss 21 by punching, and the center of the boss 21 is provided Through hole 22.
  • the upper end of the small sleeve 1 is a tubular straight cylindrical opening 13 in which an upper end cover is press-fitted, and the upper end cover is stamped with a blind hole for receiving the upper end of the rotor shaft of the electric three-way valve.
  • the lower end of the small sleeve 1 is an integral semi-closed lower end cover 11, and the lower end cover 11 is provided with a boss at the center downward.
  • the inner wall of the boss has a concave through hole 12, and the through hole 12 is punched and stretched and is used for accommodating the electric tee.
  • the lower end of the rotor shaft of the valve The outer circumference of the lower end of the small sleeve 1 is inserted into the center through hole 22 of the boss 21 of the large sleeve 2, and the inserted joint portions are integrally joined by sealing welding.
  • the upper end of the sleeve member of the electric three-way valve is open, and the upper end is welded with a sealed upper end cover, the convex end hole of the upper end cover and the small sleeve 1
  • the center holes of the lower end cover 11 respectively fix the upper and lower ends of the rotor shaft in the magnetic rotor member, and the lower end of the rotor shaft passes through the center through hole of the lower end cover 11 of the sleeve member, and then a drive gear is welded to output a rotational force.
  • the prior art electric three-way valve employs a configuration in which the magnetic rotor member is different from the actuator gear 50'.
  • the magnetic rotor member has a rotor shaft, and the lower end of the rotor shaft is welded to the drive gear 41'.
  • the center position of the drive gear 41' is ensured by the two sleeves and the upper and lower end caps.
  • the center position of the actuator gear 50' is ensured by the valve seat 10'.
  • the coaxiality of the drive gear and the execution gear is ensured by the valve seat, the large sleeve, the small sleeve, the upper end cover, the lower end cover and the rotor shaft, and the coaxiality is assembled by the small sleeve, the end cover and the large sleeve. Since the influence of the precision is large, the coaxiality is difficult to ensure, and the valve opening failure due to the poor coaxiality is likely to occur, and the assembly process is difficult and difficult, and the processing precision of the components is also high.
  • the invention aims to provide a bushing assembly and a control valve and an air conditioning system therewith, which solve the problems of high precision in machining precision and assembly precision of the bushing assembly in the prior art.
  • a bushing assembly comprising: a first bushing having a first end having a mounting hole and a second end of the first bushing being an open end a second sleeve, the first end of the second sleeve has a closed end cap, and the second end of the second sleeve is an open end and is sealingly connected to the first sleeve through the mounting hole.
  • a positioning hole is disposed on the inner wall of the closed end cap.
  • the closed end cap has a boss extending in a direction away from the second end of the second sleeve, the positioning hole being a blind hole formed in the boss.
  • blind hole is stamped and formed together with the inner wall of the second sleeve.
  • a tubular boss is disposed at the mounting hole, and the second end of the second sleeve is inserted into the tubular boss and sealingly connected with the tubular boss.
  • tubular boss extends in a direction toward the second end of the first sleeve.
  • tubular boss extends in a direction away from the second end of the first sleeve.
  • the second end of the second sleeve is sealingly welded to the first sleeve.
  • the material of the first sleeve and the second sleeve are both metal.
  • a control valve comprising: a valve seat having a normally open valve port and a plurality of switching valve ports; a bushing assembly sleeved on the valve seat, the bushing assembly The sleeve assembly is arranged; the slider is movably disposed on the valve seat, and the slider is used for controlling opening and closing switching of the plurality of switching valve ports; the central shaft is fixed on the valve seat at the bottom end, and the top end of the central shaft is located In the sleeve assembly, the slider is sleeved on the central shaft; the rotor component is sleeved on the central shaft, the rotor component includes a driving gear; the gear is arranged, the sleeve is sleeved on the central shaft, and the slider is driven to move; the transmission gear is set Between the drive gear and the execution gear, and mesh with both the drive gear and the execution gear.
  • an air conditioning system comprising a control valve, the control valve being the control valve described above.
  • the sleeve assembly includes a first sleeve and a second sleeve.
  • first end of the first sleeve has a mounting hole and the second end is an open end.
  • the first end of the second sleeve has a closed end cap, and the second end is an open end and is sealingly connected to the first sleeve through the mounting hole.
  • the outer peripheral surface of the second end of the second sleeve is inserted into the mounting hole of the first end of the first sleeve, and the joint portions of the two inserts are sealingly connected together.
  • the first end of the second sleeve has a closed end cap.
  • the second end of the second sleeve is no longer provided with a lower end cover as compared with the prior art.
  • the sleeve assembly of the present invention when the sleeve assembly of the present invention is mounted on the valve seat of the control valve, the sleeve assembly does not need to position the rotor shaft through the lower end cover, and the rotor shaft can be modified to be the same as the gear shaft of the execution gear.
  • the root shaft can be positioned through the valve seat. Since the bushing assembly does not require positioning of the rotor shaft, the machining accuracy and assembly accuracy of the bushing assembly can be reduced.
  • Figure 1 is a cross-sectional view showing a prior art electric three-way valve
  • Figure 2 is a schematic view showing the structure of the bushing assembly of the electric three-way valve of Figure 1;
  • Figure 3 is a cross-sectional view showing the first embodiment of the sleeve assembly according to the present invention.
  • Figure 4 shows a press-fit schematic of the bushing assembly of Figure 3;
  • Figure 5 shows a schematic cross-sectional view of a second embodiment of a cannula assembly in accordance with the present invention
  • Figure 6 shows a schematic cross-sectional view of the second sleeve of the cannula assembly of Figure 5;
  • Figure 7 shows a schematic cross-sectional view of an embodiment of a control valve in accordance with the present invention.
  • valve seat 10', valve seat; 41', drive gear; 50', actuator gear; 1, small casing; 2, large casing; 11, lower end cover; 12, through hole; 13, tubular straight cylindrical opening; Table; 22, through hole; 23, tubular straight cylindrical opening; 10, valve seat; 20, slider; 30, central shaft; 40, rotor component; 41, drive gear; 50, execution gear; 62, second sleeve; 63, closed end cap; 631, positioning hole; 632, boss; 64, tubular boss.
  • Figure 3 shows a schematic cross-sectional view of a first embodiment of a cannula assembly in accordance with the present invention.
  • the sleeve assembly of the first embodiment includes a first sleeve 61 and a second sleeve 62.
  • the first end of the first sleeve 61 has a mounting hole, and the second end is an open end.
  • the first end of the second sleeve 62 has a closed end cap, and the second end is an open end and is sealingly coupled to the first sleeve 61 through the mounting hole.
  • the outer peripheral surface of the second end of the second sleeve 62 is inserted into the mounting hole of the first end of the first sleeve 61, and the joint portions of the two inserts are joined together by sealing.
  • the first end of the second sleeve 62 has a closed end cap.
  • the sleeve assembly when the sleeve assembly is mounted on the valve seat 10 of the control valve, the sleeve assembly does not need to be positioned by the lower end cover, and the rotor shaft can be modified to make the gear of the gear 50.
  • the shafts are set to the same axis and can be positioned by the valve seat 10. Since the bushing assembly does not require positioning of the rotor shaft, the machining accuracy and assembly accuracy of the bushing assembly can be reduced.
  • the second end of the first sleeve 61 is a tubular straight cylindrical opening
  • the second end of the second sleeve 62 is a tubular straight cylindrical opening
  • the inner wall of the closed end cap 63 is provided with a positioning hole 631.
  • the positioning hole 631 is for accommodating the upper shaft end of the shaft and positioning it.
  • the closed end cap 63 has a boss 632 extending in a direction away from the second end of the second sleeve 62, and the positioning hole 631 is a blind hole formed in the boss 632.
  • the above structure is easily formed and formed, and the blind hole does not affect the structural strength of the second sleeve 62.
  • the blind hole is press-formed together with the inner wall of the second sleeve 62.
  • the stamping process is simple and the material consumption is low, which can reduce the production cost of the casing assembly.
  • the closed end cap 63 of the top of the second sleeve 62 The second sleeve 62 is of unitary construction such that the top end cap weld is reduced compared to prior art split configurations.
  • Figure 4 shows a press fit schematic of the bushing assembly of Figure 3.
  • the cannula assembly can be assembled by integral tooling to ensure coaxiality of the first cannula 61 and the second cannula 62.
  • the integrated tooling includes three parts, namely a mold chassis, a first core that cooperates with the first sleeve 61, and a second core that cooperates with the second sleeve 62.
  • the second core includes a boss that can be nested with the positioning hole 631 on the second sleeve 62. Thereby, the concentricity of the first sleeve 61 and the second sleeve 62 can be ensured.
  • a tubular boss 64 is disposed at the mounting hole, and the second end of the second sleeve 62 is inserted into the tubular boss 64 and is sealingly connected to the tubular boss 64.
  • the above-described tubular boss 64 is formed by press drawing, and the above-mentioned tubular boss 64 increases the joint area of the first sleeve 61 and the second sleeve 62, so that the connection is more stable.
  • the tubular boss 64 extends in the direction of the second end of the first sleeve 61. As shown in Fig. 3, it can be seen that the tubular boss 64 extends downward, and the above-described tubular boss 64 is obtained by press-drawing downward molding.
  • the tubular boss 64 described above increases the connection area of the first sleeve 61 and the second sleeve 62, making the connection more stable.
  • the second end of the second sleeve 62 is sealingly welded to the first sleeve 61.
  • the soldered connection is easy to implement and the cost is low.
  • the first sleeve 61 and the second sleeve 62 are made of metal.
  • the first sleeve 61 and the second sleeve 62 are preferably formed from a thin-walled metal.
  • Figure 5 shows a cross-sectional schematic view of a second embodiment of a cannula assembly in accordance with the present invention
  • Figure 6 shows a cross-sectional view of a second cannula of the cannula assembly of Figure 5.
  • the only difference from the above embodiment is the direction in which the tubular boss 64 extends.
  • the tubular boss 64 extends in a direction away from the second end of the first sleeve 61.
  • the tubular boss 64 extends upwardly and the tubular boss 64 described above is obtained by stamping and stretching upward molding.
  • the above-described tubular boss increases the connection area of the first sleeve 61 and the second sleeve 62, making the connection more stable.
  • the other parts of the sleeve assembly of the second embodiment are substantially the same as those of the first embodiment, and are not described herein again.
  • FIG. 7 shows a cross-sectional schematic view of the cannula assembly of Figure 3 and a control valve therewith.
  • an embodiment of the control valve according to the present application includes a valve seat 10, a bushing assembly, a slider 20, a center shaft 30, a rotor member 40, an actuator gear 50, and a transmission gear.
  • valve seat 10 is provided with a normally open valve port and a plurality of switching valve ports, and the sleeve assembly is sleeved on the valve seat, and the sleeve assembly is the above-mentioned sleeve assembly.
  • the slider 20 is rotatably disposed on the valve seat 10 for controlling opening and closing switching of the plurality of switching valve ports.
  • the center shaft 30 is disposed between the valve seat 10 and the sleeve assembly, and the bottom end thereof is fixed to the valve seat 10.
  • the improved rotor shaft described above and the gear shaft together form a central shaft 30.
  • the center shaft 30 is sequentially provided with a slider 20, an execution gear 50, and a rotor member 40 with a drive gear 41 from the bottom to the top.
  • the driving gear 41 on the rotor component 40 transmits the rotational power of the rotor component 40 to the execution gear 50 through the transmission gear, and the gear 50 drives the slider 20 to rotate, so that the slider 20 switches the valve port on the end surface of the valve seat 10 Switching on and off.
  • the driving gear 41 rotates under the driving of the rotor member 40 to drive the transmission gear that meshes with it, and the transmission gear meshes to drive the rotation of the gear 50, so that the opening and closing of the valve port on the end surface of the valve seat 10 can be realized.
  • Switch. The lower end of the center shaft 30 is fixed to the center of the valve seat 10, and the drive gear 41 and the actuator gear 50 are bored together, so that the coaxiality of the drive gear 41 and the actuator gear 50 is ensured.
  • the process is simplified and the production cost of the control valve is reduced.
  • the second end of the second sleeve of the sleeve assembly is no longer provided with the lower end cover as compared with the prior art.
  • the sleeve assembly when the sleeve assembly is mounted on the valve seat of the control valve, the sleeve assembly does not need to be positioned by the lower end cover, and the rotor shaft and the gear shaft of the execution gear are disposed such that the same shaft is positioned through the valve seat. Since the bushing assembly does not need to position the rotor shaft through the lower end cap, the machining precision and assembly precision of the bushing assembly can be reduced.
  • the present application also provides an air conditioning system, an embodiment of which includes a control valve, which is the control valve described above.
  • the cost of the air conditioning system is reduced by reducing the machining accuracy and assembly accuracy of the bushing assembly.
  • the second end of the second sleeve of the cannula assembly is no longer provided with a lower end cap as compared to the prior art.
  • the sleeve assembly when the sleeve assembly is mounted on the valve seat of the control valve, the sleeve assembly does not need to be positioned by the lower end cover, and the rotor shaft and the gear shaft of the execution gear are disposed such that the same shaft is positioned through the valve seat. Since the bushing assembly does not need to position the rotor shaft through the lower end cap, the machining precision and assembly precision of the bushing assembly can be reduced. Therefore, the bushing assembly can improve product reliability and reduce production costs.

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

Abstract

L'invention concerne un ensemble manchon et une soupape de commande et un système de climatisation les comprenant. L'ensemble manchon comprend : un premier manchon (61) ayant un trou de montage au niveau d'une première extrémité de celui-ci et une extrémité ouverte au niveau d'une seconde extrémité du premier manchon (61) ; et un second manchon (62) ayant un capuchon d'extrémité fermée (63) au niveau d'une première extrémité de celui-ci, la seconde extrémité du second manchon (62) étant une extrémité ouverte et reliée de façon étanche au premier manchon (61) par le biais du trou de montage. La solution technique résout efficacement les problèmes de l'état de la technique selon lesquels une précision de traitement et une précision d'assemblage élevées pour l'ensemble manchon sont requises.
PCT/CN2017/098623 2016-08-24 2017-08-23 Ensemble manchon et soupape de commande et système de climatisation les comprenant WO2018036511A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197007763A KR20190035914A (ko) 2016-08-24 2017-08-23 슬리브 어셈블리, 제어 밸브 및 이를 구비하는 공기 조화 시스템
JP2019511547A JP2019528413A (ja) 2016-08-24 2017-08-23 スリーブアセンブリ、それを有する制御弁、及び空調システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610729382.0 2016-08-24
CN201610729382.0A CN107781499A (zh) 2016-08-24 2016-08-24 套管组件及具有其的控制阀

Publications (1)

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WO2018036511A1 true WO2018036511A1 (fr) 2018-03-01

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PCT/CN2017/098623 WO2018036511A1 (fr) 2016-08-24 2017-08-23 Ensemble manchon et soupape de commande et système de climatisation les comprenant

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JP (1) JP2019528413A (fr)
KR (1) KR20190035914A (fr)
CN (1) CN107781499A (fr)
WO (1) WO2018036511A1 (fr)

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WO2003006861A1 (fr) * 2001-07-10 2003-01-23 Sankyo Seiki Mfg. Co., Ltd. Dispositif d'entrainement de soupape
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JP2001317839A (ja) * 2000-05-01 2001-11-16 Saginomiya Seisakusho Inc 四方切換弁と電動膨脹弁との複合弁
WO2003006861A1 (fr) * 2001-07-10 2003-01-23 Sankyo Seiki Mfg. Co., Ltd. Dispositif d'entrainement de soupape
CN1401927A (zh) * 2001-08-20 2003-03-12 株式会社三协精机制作所 阀驱动装置
CN103375606A (zh) * 2012-04-25 2013-10-30 浙江三花股份有限公司 电动三通阀
CN103672027A (zh) * 2012-08-31 2014-03-26 日立空调·家用电器株式会社 制冷剂转换阀及具备该制冷剂转换阀的设备

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KR20190035914A (ko) 2019-04-03
JP2019528413A (ja) 2019-10-10
CN107781499A (zh) 2018-03-09

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