EP3364033A1 - Elektromagnetische stossspumpe - Google Patents

Elektromagnetische stossspumpe Download PDF

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Publication number
EP3364033A1
EP3364033A1 EP16854761.0A EP16854761A EP3364033A1 EP 3364033 A1 EP3364033 A1 EP 3364033A1 EP 16854761 A EP16854761 A EP 16854761A EP 3364033 A1 EP3364033 A1 EP 3364033A1
Authority
EP
European Patent Office
Prior art keywords
valve
pressure relief
piston head
water
sealing member
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP16854761.0A
Other languages
English (en)
French (fr)
Other versions
EP3364033A4 (de
EP3364033B1 (de
Inventor
Jiangang Guo
Hengzhong Liu
Jiachang CHEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Original Assignee
Guangdong Xinbao Electrical Appliances Holdings Co Ltd
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 Guangdong Xinbao Electrical Appliances Holdings Co Ltd filed Critical Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Publication of EP3364033A1 publication Critical patent/EP3364033A1/de
Publication of EP3364033A4 publication Critical patent/EP3364033A4/de
Application granted granted Critical
Publication of EP3364033B1 publication Critical patent/EP3364033B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/129—Poppet valves
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
    • F04B17/044—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow using solenoids directly actuating the piston
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/046—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the fluid flowing through the moving part of the motor
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/02—Packing the free space between cylinders and pistons
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F04B53/1017—Semi-spherical ball valves
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/143—Sealing provided on the piston

Definitions

  • the present invention relates to a pump, and more particularly to an electromagnetic shock pump.
  • the electromagnetic shock pump disclosed by the patent comprises a valve body, a first-stage valve rubber head, a second-stage valve rubber head, a gasket, a rubber O-ring, a piston, a sleeve, an iron plate, an iron ring, a plastic packaging coil, a U-shaped iron plate and an iron ring, wherein the first-stage valve rubber head, the second-stage valve rubber head and the piston are sequentially arranged in a space formed by the valve body and the sleeve.
  • the piston comprises a piston head with an inner hole, the piston head is opposite to the head of the second-stage valve rubber head.
  • the electromagnetic shock pump further comprises a force transmission mechanism used for transmitting a mechanical force.
  • the mechanical force is transmitted among the piston, the second-stage valve rubber head and the the first-stage valve rubber head.
  • the positioning requirement of the first-stage valve rubber head relative to the second-stage valve rubber head is high, and if the position of the first-stage valve rubber head relative to the second-stage valve rubber head is inaccurate, it may easily lead to an electromagnetic shock pump failure.
  • the technical problem to be solved by the present invention is to overcome the defect that an electromagnetic shock pump provided with a mechanical force transmission mechanism has a failure risk in the prior art.
  • an electromagnetic shock pump comprising: a valve body, provided with a center hole; a pressure relief valve, provided within the center hole; a piston, comprising a piston head provided within the center hole, an end of the free end of the piston head is provided with a sealing member, wherein the sealing member is pressed against a hole wall of the center hole, and the sealing member is able of moving along an axial direction of the center hole in a synchronized manner with the piston head; a water-sucking valve, provided on the piston head, and provided opposite to the pressure relief valve; wherein, the pressure relief valve, the valve body, the piston head, the sealing member and the water-sucking valve form a sealed space.
  • a sealing member which can axially move in the center hole of the valve body in a synchronized manner with the piston head, is sleeved on the piston head.
  • the piston head drives the sealing member to move synchronously, the volume of the substance of the sealed space may change, so as to change the pressure on the pressure relief valve or the water-sucking valve to open the pressure relief valve or the water-sucking valve.
  • the pressure relief valve and the water-sucking valve are not in direct contact, thereby, the positioning requirements of the pressure relief valve relative to the water-sucking valve are low, and as a result, the electromagnetic shock pump according to the embodiments of the present invention will not undergo failure due to inaccurate positioning of the pressure relief valve relative to the water-sucking valve, thereby ensuring effectiveness of the electromagnetic shock pump, reducing the maintenance ratio of the electromagnetic shock pump, and significantly saving the cost.
  • annular groove extending in the circumferential direction is formed in the peripheral surface of the end of the free end of the piston head, and the sealing member is matched with the annular groove.
  • the annular groove can limit the sealing member, when the sealing member moves along with the piston head synchronously in the center hole of the valve body, the annular groove can provide thrust to the sealing member, so as to ensure to avoid the following condition: the sealing member cannot function to compress the sealed space due to its moving in the axial direction of the piston head.
  • the sealing member includes an O-shaped sealing ring.
  • the use of the O-shaped sealing ring can reduce the processing and manufacturing cost.
  • the O-shaped sealing ring can be more easily sleeved in the annular groove of the piston head and tightly fit with the groove surface of the annular groove, so as to ensure the sealing performance between the piston head and the valve body, and keep the sealed space be in a good sealing state.
  • an annular flange is arranged on the inner wall of the center hole, and the pressure relief valve comprises a first valve spool seated on the annular flange.
  • the first valve spool of the pressure relief valve is seated on the annular flange, and the annular flange serves as a valve seat, thereby lowering the assembling difficulty of the individual parts, and reducing the overall processing and manufacturing cost.
  • the top of the first valve spool is pressed against the edge of the annular flange, so as to form a good sealing performance.
  • the water-sucking valve comprises a second valve spool arranged on the piston head, and the second valve spool of the water-sucking valve is provided opposite to the first valve spool of the pressure relief valve, and a gap is formed between the second valve spool of the water-sucking valve and the first valve spool of the pressure relief valve.
  • the first valve spool of pressure relief valve and the second valve spool of the water-sucking valve are not in direct contact, thereby, the positioning requirements of the first valve spool of the pressure relief valve relative to the second valve spool of the water-sucking valve are low, and as a result, the electromagnetic shock pump in the embodiments of the present invention will not undergo failure due to inaccurate positioning of the first valve spool of the pressure relief valve relative to the second valve spool of the water-sucking valve, thereby ensuring effectiveness of the electromagnetic shock pump, reducing the maintenance ratio of the electromagnetic shock pump, and significantly saving the cost.
  • an electromagnetic shock pump 10 comprises a valve body 11, a pressure relief valve, a water-sucking valve, a first spring 12, a piston 13, a second spring 14, a sleeve 15, a first iron ring 16, a rubber ring 17, a second iron ring 18, a plastic packaging coil 19, a fixing frame 20 and a fixing cover 21.
  • a water inlet 151 is provided in one end of the sleeve 15.
  • a water outlet 111 is provided in one end of the valve body 11.
  • the valve body 11 is provided with a center hole.
  • the piston 13 comprises a piston head 131 which is inserted into the center hole.
  • a pressing member 22 is arranged between the valve body 11 and the sleeve 15.
  • the pressing member 22 is sleeved on the piston head 131 of the piston 13.
  • a sealing ring is arranged between the end surface of the pressing member 22 and the end surface of the valve body 11.
  • the piston head 131 penetrates through the center hole of the sealing ring and is in interference fit with the sealing ring.
  • the first spring 12 is pressed against the end surface of the pressing member 22 facing the piston 13.
  • no sealing ring is arranged between the end surfaces of the pressing member 22 and the valve body 11.
  • a circumferential annular groove is formed in the periphery of the end of the free end of the piston head 131.
  • a sealing member 23 is fixedly installed in the annular groove.
  • the annular groove can limit the sealing member 23, when the sealing member 23 moves along with the piston head 131 synchronously in the center hole of the valve body 11, the annular groove can provide thrust to the sealing member 23, so as to ensure to avoid that the sealing member 23 cannot compress the sealed space 99 due to its movement in the axial direction of the piston head 131.
  • the piston head 131 is inserted into the center hole of the valve body 11, and the sealing member 23 is in contact with the hole wall of the center hole of the valve body 11.
  • An annular flange 112 is arranged on the inner wall of the center hole of the valve body 11, a first valve spool 24 of the pressure relief valve is seated on the annular flange 112, and the annular flange 112 serves as a valve seat.
  • the top of a first valve spool 24 is positioned in a hole formed by the annular flange 112 and does not extend into the sealed space 99 beyond the hole, so that the first valve spool 24 will always be uncontact with a second valve spool 25, thereby avoiding an adhesion phenomenon occurring between the first valve spool 24 and the second valve spool 25.
  • the second valve spool 25 of the water-sucking valve is seated on the top of the piston head 131, and the piston head 131 serves as a valve seat.
  • the second valve spool 25 of the water-sucking valve is separated from the annular flange 112 by a certain distance, so that the first valve spool 24 of the pressure relief valve and the second valve spool 25 of the water-sucking valve are arranged opposite to each other at intervals.
  • the pressure relief valve, the valve body 11, the water-sucking valve, the piston head 131 and the sealing member 23 form the sealed space 99.
  • the sealed space 99 is a part of the center hole of the valve body 11.
  • the sealing member 23 can reciprocate with the piston head 131 synchronously in the center hole of the valve body 11 to change the volume of the sealed space 99.
  • the sealing member 23 is an O-shaped sealing ring.
  • an adhesion phenomenon may occur between the first valve spool 24 of the pressure relief valve and the annular flange 112, and between the second valve spool 25 of the water-sucking valve and the piston head 131.
  • the piston 13 may shock in a reciprocating mode in the sleeve 15.
  • the piston head 131 moves towards the pressure relief valve, the piston head 131 and the sealing member 23 compress the sealed space 99, and thus, the volume of the sealed space 99 is reduced sharply, the substance (such as air or water) in the sealed space 99 are compressed, and thus, the pressure of the sealed space 99 rises sharply, and then the pressure upon the first valve spool 24 of the pressure relief valve increases.
  • the first valve spool 24 of the pressure relief valve facing the sealed space 99 When the pressure on the surface of the first valve spool 24 of the pressure relief valve facing the sealed space 99 is greater than the atmospheric pressure on the first valve spool 24, and the pressure difference upon the first valve spool 24 is greater than the adhesion between the first valve spool 24 and the annular flange, the first valve spool 24 and the annular flange 112 can get rid of the adhesion state therebetween, so that the pressure relief valve is opened. After the first valve spool 24 of the pressure relief valve is opened, the substances of the sealed space 99 is discharged, and the pressure of the sealed space 99 is reduced.
  • the piston head 131 and the sealing member 23 start to move from the position closest to the first valve spool 24 of the pressure relief valve to the direction away from the first valve spool 24 of the pressure relief valve.
  • the first valve spool 24 of the pressure relief valve is reset and seated on the annular flange to form a seal.
  • the sealed space 99 starts to increase sharply, and the substance (such as air or air and water) in the sealed space 99 expand, and the pressure of the sealed space 99 is reduced sharply.
  • the pressure on the first surface of the second valve spool 25 of the water-sucking valve facing the sealed space 99 is smaller than the atmospheric pressure on the second surface opposite to the first surface, and the pressure difference on second valve spool 25 of the water-sucking valve is greater than the adhesion force between the second valve spool 25 and the piston head 131, the second valve spool 25 of the water-sucking valve and the piston head 131 get rid of the adhesion state therebetween, so that the water-sucking valve is opened.
  • the electromagnetic shock pump 10 enters a normal working state.
  • the piston 13 reciprocates, so that it may suck water from the water inlet 151, and then the water-sucking valve is opened to push the water into the sealed space 99, then the pressure relief valve is opened and the water is pushed out of the sealed space 99 and is discharged from the water outlet 111 of the valve body 11. In this way, the purpose of outputting high-pressure fluid (such as water) is achieved through the reciprocating movement of the piston 13.
  • high-pressure fluid such as water
  • the sealing member 23 is arranged on the piston head 131 and reciprocates with the piston head 131 synchronously in the center hole of the valve body 11, so as to change the volume of the sealed space 99 to a greater extent.
  • the volume change amount of the sealed space 99 is also relatively large, so that the pressure on the first valve spool 24 of the pressure relief valve and the second valve spool 25 of the water-sucking valve is larger, and it is easier to get rid of the adhesion state, so as to ensure that the electromagnetic shock pump 10 can still enter a normal working state successfully after the long-term transportation, storage and other occasions.
  • the electromagnetic shock pump 10 in the embodiments of the present invention because the pressure on the the first valve spool 24 of pressure relief valve or the second valve spool 25 of the water-sucking valve are changed by means of the volume change of the substance in the sealed space 99, the first valve spool 24 of pressure relief valve and the second valve spool 25 of the water-sucking valve are not in direct contact, thereby, the positioning requirements of the first valve spool 24 of the pressure relief valve relative to the second valve spool 25 of the water-sucking valve are low, and as a result, the electromagnetic shock pump 10 in the embodiments of the present invention will not undergo failure due to inaccurate positioning of the first valve spool 24 of the pressure relief valve relative to the second valve spool 25 of the water-sucking valve, thereby ensuring effectiveness of the electromagnetic shock pump 10, reducing the maintenance ratio of the electromagnetic shock pump, and significantly saving the cost.
  • a gap is formed between the first valve spool 24 of the pressure relief valve and the second valve spool 25 of

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Magnetically Actuated Valves (AREA)
EP16854761.0A 2015-10-13 2016-06-14 Elektromagnetische stossspumpe Active EP3364033B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510673154.1A CN105221406B (zh) 2015-10-13 2015-10-13 一种电磁震荡泵
PCT/CN2016/085706 WO2017063376A1 (zh) 2015-10-13 2016-06-14 一种电磁震荡泵

Publications (3)

Publication Number Publication Date
EP3364033A1 true EP3364033A1 (de) 2018-08-22
EP3364033A4 EP3364033A4 (de) 2018-09-12
EP3364033B1 EP3364033B1 (de) 2020-05-06

Family

ID=54990590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16854761.0A Active EP3364033B1 (de) 2015-10-13 2016-06-14 Elektromagnetische stossspumpe

Country Status (3)

Country Link
EP (1) EP3364033B1 (de)
CN (1) CN105221406B (de)
WO (1) WO2017063376A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221406B (zh) * 2015-10-13 2017-10-24 广东新宝电器股份有限公司 一种电磁震荡泵
CN105927532A (zh) * 2016-04-22 2016-09-07 广东新宝电器股份有限公司 一种电磁振荡泵
DE102019210666A1 (de) * 2019-07-18 2021-01-21 Robert Bosch Gmbh Pumpeneinrichtung für ein Bremssystem eines Kraftfahrzeugs, Bremssystem
CN110513265A (zh) * 2019-09-26 2019-11-29 徐建群 一种防堵电磁泵

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US4832583A (en) * 1986-05-27 1989-05-23 Facet Enterprises, Inc. Low pressure metering fluid pump
US5518372A (en) * 1993-11-17 1996-05-21 Linear Pump Corporation DC-powered circuit for controlling a reciprocating pump or motor
JP4053119B2 (ja) * 1997-11-26 2008-02-27 シルバー株式会社 電磁ポンプ
JP3648705B2 (ja) * 2000-04-11 2005-05-18 日本コントロール工業株式会社 電磁ポンプ
DE102005035835A1 (de) * 2005-07-30 2007-02-08 Ksb Aktiengesellschaft Schwingankerpumpe mit elektromagnetischem Antrieb
DE102005048765A1 (de) * 2005-10-10 2007-04-12 Aweco Appliance Systems Gmbh & Co. Kg Schwingankerpumpe
JP2009236241A (ja) * 2008-03-27 2009-10-15 Showa Corp リリーフ弁
CN101782064A (zh) * 2010-02-04 2010-07-21 无锡市双灵电器厂 一种分配泵用回油电磁阀
CN202100449U (zh) * 2011-06-03 2012-01-04 蒋克亮 电磁震荡泵
CN202767080U (zh) * 2012-03-23 2013-03-06 姜堰市盛翔机械制造有限公司 内置喷头清淤助升器
CN203730236U (zh) * 2014-03-19 2014-07-23 麦德开 一种带回流槽的电磁柱塞泵
CN204419480U (zh) * 2015-01-16 2015-06-24 宁波联锐电子科技有限公司 一种新型电磁泵
CN105221406B (zh) * 2015-10-13 2017-10-24 广东新宝电器股份有限公司 一种电磁震荡泵
CN205172919U (zh) * 2015-10-13 2016-04-20 广东新宝电器股份有限公司 一种电磁震荡泵

Also Published As

Publication number Publication date
CN105221406A (zh) 2016-01-06
EP3364033A4 (de) 2018-09-12
WO2017063376A1 (zh) 2017-04-20
EP3364033B1 (de) 2020-05-06
CN105221406B (zh) 2017-10-24

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