WO2020007175A1 - Pompe de pulvérisation à haute pression, à piston plongeur unique - Google Patents

Pompe de pulvérisation à haute pression, à piston plongeur unique Download PDF

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Publication number
WO2020007175A1
WO2020007175A1 PCT/CN2019/090984 CN2019090984W WO2020007175A1 WO 2020007175 A1 WO2020007175 A1 WO 2020007175A1 CN 2019090984 W CN2019090984 W CN 2019090984W WO 2020007175 A1 WO2020007175 A1 WO 2020007175A1
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WO
WIPO (PCT)
Prior art keywords
water inlet
valve
channel
water
water outlet
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.)
Ceased
Application number
PCT/CN2019/090984
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English (en)
Chinese (zh)
Inventor
林江
周海杰
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.)
Ningbo Yilin Aguatech Co Ltd
Original Assignee
Ningbo Yilin Aguatech 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 Ningbo Yilin Aguatech Co Ltd filed Critical Ningbo Yilin Aguatech Co Ltd
Publication of WO2020007175A1 publication Critical patent/WO2020007175A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical

Definitions

  • the invention relates to the technical field of pumps, in particular to a single-plunger high-pressure spray pump.
  • a high-pressure spray device can be installed outdoors. After adding water to high pressure, spray water mist into the air through a fine nozzle, and use the natural evaporation of the water mist to achieve a cooling effect.
  • the implementation of this cooling method requires a high-pressure plunger pump. Therefore, the development of a small power, compact size, small flow, high conversion efficiency plunger pump is the core component to solve the above problems.
  • Most of the existing plunger pumps on the market are made of metal finishing and contain components such as lubricating oil cylinders. They have the disadvantages of complex structure, high cost, and high maintenance requirements, which hinder the promotion and use of high-pressure spray devices to the majority of household users.
  • the object of the present invention is to provide a single-plunger high-pressure spray pump, which has the characteristics of small size and simple structure.
  • a single-plunger high-pressure spray pump which includes a valve body, a water inlet joint, and a motor.
  • the valve body includes a valve cavity.
  • a water outlet channel, the water inlet channel is provided with a one-way water inlet valve, the water outlet channel is provided with a one-way water outlet valve, the upper end of the water inlet channel is connected to the water inlet joint, and at the same time, a piston capable of moving up and down is arranged in the valve cavity
  • a piston rod is connected to the lower part of the piston, and the piston rod is tightly fitted to the outside of the valve body, and an eccentric sleeve is provided on the power output shaft of the motor, and the eccentric sleeve is connected to the lower end of the piston rod.
  • a bearing is sleeved on the eccentric sleeve, and a groove is provided on a side surface of a lower end portion of the piston rod, and an outer ring of the bearing is caught in the groove.
  • the one-way water inlet valve includes a water inlet valve stem whose lower end is located in the valve cavity and whose upper end is located in the water inlet channel.
  • the large head is bowl-shaped and matched with the opening of the lower end of the water inlet channel, and is fixed to the water inlet.
  • the one-way water outlet valve includes a water-retaining bowl having a U-shaped longitudinal section and located at an opening at the left end of the water outlet channel, so that the water-retaining bowl has a second return spring that has a tendency to move to the left.
  • a water outlet connector is disposed in the water outlet channel to the right of the second return spring.
  • a pressure relief channel is provided on a side wall of the left end opening of the water outlet channel, the pressure relief channel is provided with a pressure relief valve, and an upper end opening of the pressure relief channel communicates with an upper end of the water inlet channel.
  • the pressure relief valve includes a sealing ball matched with a lower end opening of the pressure relief channel, so that the sealing ball has a third return spring with a downward movement tendency.
  • the valve body is prepared by integrally molding a plastic that becomes soft after heating.
  • the piston rod is provided with an oil seal and / or a water seal matching the valve cavity.
  • a sealing sleeve body is fixed on the housing of the motor, the sealing sleeve body is connected to the valve body through a "U" pin, and the oil seal and / or the water seal is located in the sealing sleeve body.
  • the single-plunger high-pressure spray pump of the present invention uses a crank-link mechanism to drive the piston to reciprocate, continuously replenishes water into the valve cavity, and then pressurizes and sprays out through a water outlet channel, and the piston is single, so the structure is relatively simple. At the same time, there is no need to use common oil cylinders and other components, which greatly reduces the volume of the spray pump and the cost of preparation.
  • FIG. 1 is a front sectional view of an embodiment of the present invention.
  • valve body 11, valve cavity, 111, water inlet channel, 1111, step, 112, water outlet channel, 12, pressure relief channel;
  • a single-plunger high-pressure spray pump includes a valve body 10, a water inlet joint 60, and a motor 70.
  • the water inlet 60 communicates with a water source.
  • the valve body 10 includes a valve cavity 11.
  • the valve cavity 11 extends in the up-down direction and is preferably cylindrical.
  • the valve chamber 11 is provided with a water inlet passage 111 at an upper portion and a water outlet passage 112 at an upper portion on the right side.
  • the water inlet channel 111 is provided with a one-way water inlet valve 20, and the water outlet channel 112 is provided with a one-way water outlet valve 30.
  • the upper end of the water inlet passage 111 is connected to the water inlet joint 60.
  • a piston 40 capable of moving up and down is provided in the valve cavity 11.
  • a piston rod 41 is connected to the lower portion of the piston 40, and the piston rod 41 is tightly fitted to the outside of the valve body 10.
  • an eccentric sleeve 71 is provided on the power output shaft of the motor 70, and the eccentric sleeve 71 is connected to the lower end portion of the piston rod 41. That is, after the motor 70 works, the eccentric sleeve 71 rotates, which drives the piston rod 41 to move up and down, and the piston 40 moves up and down in the valve cavity 11.
  • the piston 40 moves downward, the one-way water inlet valve 20 is opened and the one-way water outlet valve 30 is closed, and water in the water inlet joint 60 is drawn into the valve cavity 11; when the piston 40 moves upwards At this time, the one-way water inlet valve 20 is closed and the one-way water outlet valve 30 is opened.
  • a bearing 72 is sleeved on the eccentric sleeve 71.
  • a locking groove 411 is formed on a side surface of a lower end portion of the piston rod 41, and an outer ring of the bearing 72 is caught in the locking groove 411. In this way, the friction between the eccentric sleeve 71 and the piston rod 41 is made smaller, which is more beneficial to the movement of the piston 40.
  • the one-way water inlet valve 20 includes: a water inlet valve stem 21 whose lower end is located in the valve cavity 11 and whose upper end is located in the water inlet channel 111.
  • the large head 22 is bowl-shaped and matches the lower end of the water inlet channel 111.
  • the diameter of the lower end opening of the water inlet channel 111 must be smaller than the diameter of the water inlet channel 111.
  • the lower end opening of the water inlet channel 111 adopts a beam opening design
  • the large head 22 is located below the lower end opening of the water inlet channel 111.
  • the diameter of the large head 22 is larger than the diameter of the water inlet valve stem 21. That is, the diameter of the large head 22 is larger than the diameter of the lower end opening of the water inlet channel 111, and the diameter of the water inlet valve stem 21 is the same as the diameter of the lower end opening of the water inlet channel 111. Since the lower end opening of the water inlet channel 111 adopts a beam opening design, the lower end of the first return spring 24 can be supported on the upper edge of the lower end opening of the water inlet channel 111.
  • the first return spring 24 causes the water inlet valve lever 21 to move upward. In this way, in normal times, the large head 22 seals the lower end opening of the water inlet channel 111; only when the piston 40 moves downward, the large head 22 moves downward against the pressure of the first return spring 24, and the water inlet channel 111 The lower opening is open.
  • the one-way water outlet valve 30 includes a water blocking bowl 31 having a U-shaped longitudinal section and located at the left end opening of the water outlet passage 112, so that the water blocking bowl 31 has a second return spring 32 that moves to the left.
  • the opening at the left end of the water outlet channel 112 is also designed with a beam opening.
  • the second return spring 32 forces the water retaining bowl 31 to seal the left end opening of the water outlet channel 112; only after the piston 40 moves upward, the water with pressure causes the water retaining bowl 31 to overcome the second reset. The pressure of the spring 32 moves to the right, and the left end opening of the water outlet channel 112 is opened.
  • a water outlet connector 33 is disposed in the water outlet channel 112 to the right of the second return spring 32.
  • the water outlet joint 33 can prevent the water blocking bowl 31 from coming out of the water outlet passage 112 and can also provide support for the right end of the second return spring 32.
  • a pressure relief channel 12 is provided on a side wall opened at the left end of the water outlet channel 112.
  • the pressure relief channel 12 is provided with a pressure relief valve 50, and an upper end of the pressure relief channel 12 is opened to communicate with an upper end of the water inlet channel 111.
  • the pressure relief valve 50 includes a sealing ball 51 that is matched with the lower end opening of the pressure relief channel 12, and the sealing ball 51 has a third return spring 52 that has a downward movement tendency.
  • the lower end opening of the pressure relief channel 12 adopts a beam opening design.
  • a horizontal step 1111 can be provided on the side of the water inlet channel 111
  • the upper end of the third return spring 52 can be supported on the step 1111
  • the lower end of the third return spring 52 can be supported on a sealed ball seat. 511
  • the sealing ball 51 can be fixed on the lower part of the sealing ball seat 511. In this way, when the pressure in the valve cavity 11 is too large, the sealing ball 51 can be moved upward to communicate the left end opening of the water outlet passage 112 with the upper end of the water inlet passage 111, and quickly reduce the pressure in the valve cavity 11. .
  • the valve body 10 is prepared by integrally molding a plastic that becomes soft after heating. In this way, the difficulty of preparation is further reduced.
  • the piston rod 41 is provided with an oil seal 412 and / or a water seal 413 corresponding to the valve cavity 11. In this way, the sealing between the piston rod 41 and the lower portion of the valve chamber 11 is achieved in a relatively simple manner.
  • a sealing body 80 is fixed on the casing of the motor 70.
  • the seal sleeve body 80 is connected to the valve body 10 through a “U” pin 90, and the oil seal 412 and / or the water seal 413 is located in the seal sleeve body 80. In this way, since the "U" pin 90 is easy to disassemble and assemble, the difficulty of product maintenance is reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe de pulvérisation à haute pression, à piston plongeur unique, la pompe comprenant un corps de soupape (10) et un raccord d'entrée d'eau (60), et un moteur électrique (70), le corps de soupape (10) comprenant une cavité de soupape (11) ; une partie supérieure de la cavité de soupape (11) est munie d'un canal d'entrée d'eau (111), et la partie supérieure au niveau de son côté droit est munie d'un canal de sortie d'eau (112) ; le canal d'entrée d'eau (111) est muni d'une soupape anti-retour d'entrée d'eau (20), et le canal de sortie d'eau (112) est muni d'une soupape anti-retour de sortie d'eau (30) ; une extrémité supérieure du canal d'entrée d'eau (111) est reliée au raccord d'entrée d'eau (60) ; un piston (40), pouvant se déplacer verticalement, est agencé à l'intérieur de la cavité (11) de soupape ; une partie inférieure du piston (40) est reliée à une tige (41) de piston, et la tige (41) de piston pénètre, de manière étanche, à partir du corps de soupape vers l'extérieur sous le corps (10) de soupape ; et un manchon excentrique (71) est agencé sur un arbre de production de puissance du moteur électrique (70), et le manchon excentrique (71) est relié à une partie d'extrémité inférieure de la tige (41) de piston. La pompe de pulvérisation présente un petit volume et une structure simple.
PCT/CN2019/090984 2018-07-03 2019-06-12 Pompe de pulvérisation à haute pression, à piston plongeur unique Ceased WO2020007175A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821048097.3 2018-07-03
CN201821048097.3U CN208441983U (zh) 2018-07-03 2018-07-03 单柱塞高压喷雾泵

Publications (1)

Publication Number Publication Date
WO2020007175A1 true WO2020007175A1 (fr) 2020-01-09

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PCT/CN2019/090984 Ceased WO2020007175A1 (fr) 2018-07-03 2019-06-12 Pompe de pulvérisation à haute pression, à piston plongeur unique

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CN (1) CN208441983U (fr)
WO (1) WO2020007175A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111577570A (zh) * 2020-06-19 2020-08-25 绿田机械股份有限公司 一种微型清洗机泵单元
CN111980919A (zh) * 2020-09-24 2020-11-24 洛阳普瑞曼环保科技有限公司 一种油气回收用多级罗茨结构的真空泵

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208441983U (zh) * 2018-07-03 2019-01-29 宁波亿林节水科技股份有限公司 单柱塞高压喷雾泵
CN113250926B (zh) * 2021-05-20 2025-08-01 深圳三诺信息科技有限公司 一种双溢流泵

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5542823A (en) * 1995-06-14 1996-08-06 Applied Power Inc. Reservoir body for a radial plunger pump
DE9422486U1 (de) * 1994-08-31 2004-04-15 Robert Bosch Gmbh Einheit aus Antriebsmotor und Radialkolbenpumpe
CN201043514Y (zh) * 2007-05-05 2008-04-02 山东卫士植保机械有限公司 微型电动柱塞泵
CN103775301A (zh) * 2014-02-24 2014-05-07 余文凌 手提式冲洗泵
CN103850912A (zh) * 2014-01-10 2014-06-11 洛阳普瑞曼自动控制技术有限公司 一种油气回收真空泵
CN204984758U (zh) * 2015-09-14 2016-01-20 东莞市爱迪机电科技有限公司 一种应用于洗衣机的柱塞泵结构
CN206035755U (zh) * 2016-08-29 2017-03-22 浙江通利流体控制有限公司 一种活塞式结构的负压调理仪用真空泵
CN208441983U (zh) * 2018-07-03 2019-01-29 宁波亿林节水科技股份有限公司 单柱塞高压喷雾泵

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9422486U1 (de) * 1994-08-31 2004-04-15 Robert Bosch Gmbh Einheit aus Antriebsmotor und Radialkolbenpumpe
US5542823A (en) * 1995-06-14 1996-08-06 Applied Power Inc. Reservoir body for a radial plunger pump
CN201043514Y (zh) * 2007-05-05 2008-04-02 山东卫士植保机械有限公司 微型电动柱塞泵
CN103850912A (zh) * 2014-01-10 2014-06-11 洛阳普瑞曼自动控制技术有限公司 一种油气回收真空泵
CN103775301A (zh) * 2014-02-24 2014-05-07 余文凌 手提式冲洗泵
CN204984758U (zh) * 2015-09-14 2016-01-20 东莞市爱迪机电科技有限公司 一种应用于洗衣机的柱塞泵结构
CN206035755U (zh) * 2016-08-29 2017-03-22 浙江通利流体控制有限公司 一种活塞式结构的负压调理仪用真空泵
CN208441983U (zh) * 2018-07-03 2019-01-29 宁波亿林节水科技股份有限公司 单柱塞高压喷雾泵

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111577570A (zh) * 2020-06-19 2020-08-25 绿田机械股份有限公司 一种微型清洗机泵单元
CN111980919A (zh) * 2020-09-24 2020-11-24 洛阳普瑞曼环保科技有限公司 一种油气回收用多级罗茨结构的真空泵

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