WO2020082553A1 - 一种弹性膜片式泵体 - Google Patents

一种弹性膜片式泵体 Download PDF

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Publication number
WO2020082553A1
WO2020082553A1 PCT/CN2018/122364 CN2018122364W WO2020082553A1 WO 2020082553 A1 WO2020082553 A1 WO 2020082553A1 CN 2018122364 W CN2018122364 W CN 2018122364W WO 2020082553 A1 WO2020082553 A1 WO 2020082553A1
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WIPO (PCT)
Prior art keywords
elastic diaphragm
fixedly connected
eccentric wheel
check valve
gear
Prior art date
Application number
PCT/CN2018/122364
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English (en)
French (fr)
Inventor
查文婷
Original Assignee
东莞市茗创优尚电子科技有限公司
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Application filed by 东莞市茗创优尚电子科技有限公司 filed Critical 东莞市茗创优尚电子科技有限公司
Priority to JP2021547619A priority Critical patent/JP2022509326A/ja
Priority to KR1020217012409A priority patent/KR20210062686A/ko
Priority to KR2020227000057U priority patent/KR20220002864U/ko
Priority to CA3117757A priority patent/CA3117757A1/en
Priority to EP18938087.6A priority patent/EP3872344A4/en
Priority to BR112021007812-6A priority patent/BR112021007812A2/pt
Priority to AU2018447176A priority patent/AU2018447176A1/en
Priority to EA202190978A priority patent/EA202190978A1/ru
Publication of WO2020082553A1 publication Critical patent/WO2020082553A1/zh
Priority to US17/239,746 priority patent/US20210239107A1/en

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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
    • 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
    • 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
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/11—Kind or type liquid, i.e. incompressible

Definitions

  • the utility model relates to the technical field of water pumps, in particular to an elastic diaphragm type pump body.
  • centrifugal water pumps cannot generate vacuum but can be used to extract water with more impurities.
  • Volumetric water pumps can generate vacuum, but due to impurities in the liquid Will wear mechanical components, resulting in poor sealing, water leakage during use, and low life.
  • the utility model provides an elastic diaphragm pump body, which solves that the impurities in the liquid of the water pump will wear mechanical parts during use, resulting in poor sealing, water leakage during use, and low life. problem.
  • An elastic diaphragm pump body includes a fixed shell, a motor is fixedly connected to the bottom of the fixed shell, and the output shaft end of the motor extends to the fixed shell
  • a gear is fixedly connected inside, and a central shaft is rotationally connected between the inner walls of the fixed shell, a transmission gear and an eccentric wheel are rotationally connected to the surface of the central shaft in turn, and a tie rod is rotationally connected to the surface of the eccentric wheel.
  • the top of the shell is fixedly connected with a lower fixing seat, the top of the lower fixing seat is provided with an elastic diaphragm, and a nut is fixedly connected to the center of the elastic diaphragm, and the end of the pull rod away from the eccentric is screwed to the nut.
  • the top of the elastic membrane is provided with a suction upper cover, and one end of the suction upper cover is fixedly connected with a transfer valve, and the inside of the transfer valve is fixedly connected with a water inlet check valve and a water discharge check valve in sequence.
  • the gears and transmission gears are hypoid gears, and the gears are meshed with the transmission gears.
  • the transmission gear and the eccentric wheel are integrally injection-molded, and the eccentric distance of the eccentric wheel is 1.3 mm.
  • the end of the transfer valve close to the water inlet check valve is the water inlet end
  • the end of the transfer valve close to the water outlet check valve is the water outlet end
  • the elastic diaphragm is a rubber diaphragm, and the elastic diaphragm and the nut are bonded by vulcanization.
  • the utility model provides an elastic diaphragm pump body. Has the following beneficial effects:
  • the elastic diaphragm type pump body is fixedly connected with a motor through the bottom of the fixed shell, the output shaft end of the motor extends into the fixed shell and is fixedly connected with a gear, and a central shaft is rotationally connected between the inner walls of the fixed shell, The surface of the central shaft is sequentially connected with a transmission gear and an eccentric wheel, and the surface of the eccentric wheel is connected with a tie rod.
  • the motor uses gears to drive the eccentric wheel to rotate, thereby driving the tie rod to move up and down, and the top of the fixed shell is fixed
  • a lower fixing seat is connected, an elastic diaphragm is arranged on the top of the lower fixing seat, a nut is fixedly connected to the center of the elastic diaphragm, the end of the pull rod away from the eccentric is screwed to the nut, and the pull rod moves up and down to drive the elastic membrane
  • the upward and downward movement of the blade generates suction force, and uses a one-way valve to achieve water supply, which avoids impurities in the liquid from wearing mechanical parts, improves sealing, ensures that no water leaks during use, and extends the life of the pump body.
  • Figure 1 is a schematic diagram of the overall structure of the utility model
  • Figure 2 is a schematic diagram of the internal structure of the utility model
  • FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2 of the utility model.
  • an elastic diaphragm pump body includes a fixed casing 1, a motor 2 is fixedly connected to the bottom of the fixed casing 1, and the output shaft end of the motor 2 extends to be fixed
  • a gear 3 is fixedly connected inside the casing 1
  • a central shaft 4 is rotationally connected between the inner walls of the fixed casing 1
  • a surface of the central shaft 4 is sequentially connected with a transmission gear 5 and an eccentric wheel 6, and a surface of the eccentric wheel 6 is rotationally connected with a tie rod 7
  • the eccentric wheel 6 can drive the rod 7 to move up and down
  • the top of the fixed shell 1 is fixedly connected with the lower fixing seat 8
  • the top of the lower fixing seat 8 is provided with an elastic diaphragm 9
  • the center of the elastic diaphragm 9 is fixedly connected with a nut 10
  • the pull rod 7 drives the elastic diaphragm 9 to generate suction force.
  • the top of the elastic diaphragm 9 is provided with a suction upper cover 11, and one end of the suction upper cover 11 is fixedly connected There is a transfer valve 12, and the inside of the transfer valve 12 is fixedly connected with a water inlet check valve 13 and a water outlet check valve 14, when the elastic diaphragm 9 moves downward, the water inlet check valve 13 is sucked away into the water, The water outlet check valve 14 is sucked to block the water outlet direction, when the elastic diaphragm 9 Inlet check valve 13 is automatically blocked when the motion, then pushing the water outlet check valve 14, whereby the water.
  • the gear 3 and the transmission gear 5 are hypoid gears, and the gear 3 is meshed with the transmission gear 5 to realize the rotation of the transmission gear 5 by the motor 2.
  • the transmission gear 5 and the eccentric wheel 6 are integrally injection-molded, and the eccentric distance of the eccentric wheel 6 is 1.3 mm, so that the pull rod 7 is driven to move up and down.
  • the end of the transfer valve 12 near the inlet check valve 13 is the inlet end, and the end of the transfer valve 12 near the outlet check valve 14 is the outlet end.
  • the elastic diaphragm 9 is a rubber diaphragm, and the elastic diaphragm 9 and the nut 10 are bonded by vulcanization.
  • the motor 2 drives the eccentric wheel 6 to rotate through a gear drive.
  • the pull rod 7 moves up and down, thereby driving the elastic diaphragm 9 to move up and down.
  • the elastic diaphragm 9 moves downward, the water inlet check valve 13 is When the inlet water is sucked in, the water outlet check valve 14 is sucked to block the water outlet direction.
  • the elastic diaphragm 9 moves upward, the water inlet check valve 13 will be automatically blocked. At this time, the water pushes the water outlet check valve 14 to discharge the water .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

一种弹性膜片式泵体，包括固定壳（1），固定壳的底部固定连接有电机（2），电机的输出轴端延伸至固定壳内部并固定连接有齿轮（3），固定壳内壁之间转动连接有中心轴（4），中心轴的表面依次转动连接有传动齿轮（5）、偏心轮（6），偏心轮的表面转动连接有拉杆（7），固定壳的顶部固定连接有下固定座（8），下固定座的顶部设置有弹性膜片（9），弹性膜片的中心固定连接有螺母（10），弹性膜片的顶部设置有吸允上盖（11），吸允上盖的一端固定连接有转接阀（12），转接阀的内部依次固定连接有进水单向阀（13）、出水单向阀（14）。该种弹性膜片式泵体，解决了水泵在使用过程中液体中的杂质会磨损机械部件，造成密封性差，使用过程中会漏水，寿命低的问题。

Description

一种弹性膜片式泵体 技术领域
本实用新型涉及水泵技术领域，具体为一种弹性膜片式泵体。
背景技术
目前市面上的水泵大约可以分为离心式水泵和容积式水泵，离心式水泵无法产生真空度但可以用于抽取有较多杂质的水，容积式水泵可以产生真空度，但由于液体中的杂质会磨损机械部件，造成密封性差，使用过程中会漏水，寿命低。
实用新型内容
(一)解决的技术问题
针对现有技术的不足，本实用新型提供了一种弹性膜片式泵体，解决了水泵在使用过程中液体中的杂质会磨损机械部件，造成密封性差，使用过程中会漏水，寿命低的问题。
(二)技术方案
为实现以上目的，本实用新型通过以下技术方案予以实现：一种弹性膜片式泵体，包括固定壳，所述固定壳的底部固定连接有电机，所述电机的输出轴端延伸至固定壳内部并固定连接有齿轮，所述固定壳内壁之间转动连接有中心轴，所述中心轴的表面依次转动连接有传动齿轮、偏心轮，所述偏心轮的表面转动连接有拉杆，所述固定壳的顶部固定连接有下固定座，所述下固定座的顶部设置有弹性膜片，所述弹性膜片的中心固定连接有螺母，所述拉杆远离偏心轮的一端与螺母螺纹连接，所述弹性膜片的顶部设置有吸允上盖，所述吸允上盖的一端固定连接有转接阀，所述转接阀的内部依次固定连接有进水单向阀、出水单向阀。
优选的，所述齿轮、传动齿轮为准双曲面齿轮，所述齿轮与传动齿轮啮合连接。
优选的，所述传动齿轮与偏心轮为一体注塑式，所述偏心轮的偏心距为1.3mm。
优选的，所述转接阀靠近进水单向阀的一端为进水端，所述转接阀靠近出水单向阀的一端为出水端。
优选的，所述弹性膜片为橡胶膜片，所述弹性膜片与螺母采用硫化方式黏合。
(三)有益效果
本实用新型提供了一种弹性膜片式泵体。具备以下有益效果：
该种弹性膜片式泵体，通过固定壳的底部固定连接有电机，所述电机的输出轴端延伸至固定壳内部并固定连接有齿轮，所述固定壳内壁之间转动连接有中心轴，所述中心轴的表面依次转动连接有传动齿轮、偏心轮，所述偏心轮的表面转动连接有拉杆，电机利用齿轮啮合传动带动偏心轮转动，从而带动拉杆上下移动，所述固定壳的顶部固定连接有下固定座，所述下固定座的顶部设置有弹性膜片，所述弹性膜片的中心固定连接有螺母，所述拉杆远离偏心轮的一端与螺母螺纹连接，拉杆上下移动带动弹性膜片上下运动产生吸允力，并利用单向阀实现供水，避免了液体中杂质磨损机械部件，提高了密封性，保证使用过程不会漏水，延长了泵体的寿命。
附图说明
图1为本实用新型整体结构示意图；
图2为本实用新型内部结构示意图；
图3为本实用新型图2中A-A向剖视图。
图中：1-固定壳、2-电机、3-齿轮、4-中心轴、5-传动齿轮、6-偏心轮、7-拉杆、8-下固定座、9-弹性膜片、10-螺母、11-吸允上盖、12-转接阀、13-进水单向阀、14-出水单向阀。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1-3，本实用新型提供一种技术方案：一种弹性膜片式泵体，包括固定壳1，固定壳1的底部固定连接有电机2，电机2的输出轴端延伸至固定壳1内部并固定连接有齿轮3，固定壳1内壁之间转动连接有中心轴4，中心轴4的表面依次转动连接有传动齿轮5、偏心轮6，偏心轮6的表面转动连接有拉杆7，偏心轮6可带动拉杆7上下移动，固定壳1的顶部固定连接有下固定座8，下固定座8的顶部设置有弹性膜片9，弹性膜片9的中心固定连接有螺母10，拉杆7远离偏心轮6的一端与螺母10螺纹连接，拉杆7带动弹性膜片9移动可产生吸允力，弹性膜片9的顶部设置有吸允上盖11，吸允上盖11的一端固定连接有转接阀12，转接阀12的内部依次固定连接有进水单向阀13、出水单向阀14，当弹性膜片9向下运动时进水单向阀13被吸开进水，出水单向阀14被吸紧堵住出水方向，当弹性膜片9向上运动时进水单向阀13会自动堵住，此时水推开出水单向阀14，从而出水。
齿轮3、传动齿轮5为准双曲面齿轮，齿轮3与传动齿轮5啮合 连接，实现利用电机2带动传动齿轮5转动。
传动齿轮5与偏心轮6为一体注塑式，偏心轮6的偏心距为1.3mm，实现带动拉杆7上下运动。
转接阀12靠近进水单向阀13的一端为进水端，转接阀12靠近出水单向阀14的一端为出水端。
弹性膜片9为橡胶膜片，弹性膜片9与螺母10采用硫化方式黏合。
使用时，电机2通过齿轮传动带动偏心轮6转动，偏心轮6转动时带动拉杆7上下运动，从而带动弹性膜片9上下运动，当弹性膜片9向下运动时进水单向阀13被吸开进水，出水单向阀14被吸紧堵住出水方向，当弹性膜片9向上运动时进水单向阀13会自动堵住，此时水推开出水单向阀14，从而出水。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下。由语句“包括一个......限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素”。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的 范围由所附权利要求及其等同物限定。

Claims (5)

  1. 一种弹性膜片式泵体，包括固定壳(1)，其特征在于：所述固定壳(1)的底部固定连接有电机(2)，所述电机(2)的输出轴端延伸至固定壳(1)内部并固定连接有齿轮(3)，所述固定壳(1)内壁之间转动连接有中心轴(4)，所述中心轴(4)的表面依次转动连接有传动齿轮(5)、偏心轮(6)，所述偏心轮(6)的表面转动连接有拉杆(7)，所述固定壳(1)的顶部固定连接有下固定座(8)，所述下固定座(8)的顶部设置有弹性膜片(9)，所述弹性膜片(9)的中心固定连接有螺母(10)，所述拉杆(7)远离偏心轮(6)的一端与螺母(10)螺纹连接，所述弹性膜片(9)的顶部设置有吸允上盖(11)，所述吸允上盖(11)的一端固定连接有转接阀(12)，所述转接阀(12)的内部依次固定连接有进水单向阀(13)、出水单向阀(14)。
  2. 根据权利要求1所述的一种弹性膜片式泵体，其特征在于：所述齿轮(3)、传动齿轮(5)为准双曲面齿轮，所述齿轮(3)与传动齿轮(5)啮合连接。
  3. 根据权利要求1所述的一种弹性膜片式泵体，其特征在于：所述传动齿轮(5)与偏心轮(6)为一体注塑式，所述偏心轮(6)的偏心距为1.3mm。
  4. 根据权利要求1所述的一种弹性膜片式泵体，其特征在于：所述转接阀(12)靠近进水单向阀(13)的一端为进水端，所述转接阀(12)靠近出水单向阀(14)的一端为出水端。
  5. 根据权利要求1所述的一种弹性膜片式泵体，其特征在于：所述弹性膜片(9)为橡胶膜片，所述弹性膜片(9)与螺母(10)采用 硫化方式黏合。
PCT/CN2018/122364 2018-10-27 2018-12-20 一种弹性膜片式泵体 WO2020082553A1 (zh)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2021547619A JP2022509326A (ja) 2018-10-27 2018-12-20 弾性ダイアフラム式ポンプ
KR1020217012409A KR20210062686A (ko) 2018-10-27 2018-12-20 탄성 다이어프램식 펌프
KR2020227000057U KR20220002864U (ko) 2018-10-27 2018-12-20 탄성 다이어프램식 펌프
CA3117757A CA3117757A1 (en) 2018-10-27 2018-12-20 Elastic diaphragm pump
EP18938087.6A EP3872344A4 (en) 2018-10-27 2018-12-20 PUMP WITH ELASTIC DIAPHRAGM
BR112021007812-6A BR112021007812A2 (pt) 2018-10-27 2018-12-20 bomba de diafragma elástico
AU2018447176A AU2018447176A1 (en) 2018-10-27 2018-12-20 Elastic diaphragm pump
EA202190978A EA202190978A1 (ru) 2018-10-27 2018-12-20 Насос с эластичной диафрагмой
US17/239,746 US20210239107A1 (en) 2018-10-27 2021-04-26 Elastic diaphragm pump

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AU2018447176A1 (en) 2021-05-27
KR20220002864U (ko) 2022-12-06
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CN208934890U (zh) 2019-06-04
DE202018006820U1 (de) 2023-03-29
AU2018102247A4 (en) 2022-12-15
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KR20210062686A (ko) 2021-05-31

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