CN202493407U - Micro air pump - Google Patents

Micro air pump Download PDF

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Publication number
CN202493407U
CN202493407U CN2012200153319U CN201220015331U CN202493407U CN 202493407 U CN202493407 U CN 202493407U CN 2012200153319 U CN2012200153319 U CN 2012200153319U CN 201220015331 U CN201220015331 U CN 201220015331U CN 202493407 U CN202493407 U CN 202493407U
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CN
China
Prior art keywords
valve seat
provided
valve
air
intake
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CN2012200153319U
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Chinese (zh)
Inventor
颜宏
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厦门坤锦电子科技有限公司
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Priority to CN2012200153319U priority Critical patent/CN202493407U/en
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Publication of CN202493407U publication Critical patent/CN202493407U/en

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Abstract

The utility model discloses a micro air pump which comprises a shell, a motor, a cam, a bent lever, a support, an air bag unit, a valve seat, a one-way air outlet valve and a top cover. The motor is arranged inside the shell, and the cam is arranged on a transmission shaft of the motor. One end of the bent lever is inserted into an eccentric hole of the cam, and the other end of the bent lever is connected with the air bag unit. The air bag unit is sleeved in the support, and the support provided with an air inlet reversing channel is supported on the shell. The air bag unit is provided with a first air inlet and a one-way air inlet valve which both correspond to the air inlet reversing channel. A position of the valve seat arranged on the support is provided with a second air inlet and the position of the valve seat corresponds to the one-way air inlet valve, a position of the valve seat is provided with an air outlet and the position of the valve seat corresponds to an air bag, and the one-way air outlet valve is covered on the air outlet. The lower end of the valve seat is provided with an air transportation channel right facing the first air inlet and the air bag. The top cover is covered on the valve seat provided with briers, and the briers divide the valve seat into an air inlet cavity and an air outlet cavity. The micro air pump is unimpeded in an air channel, small in size, and capable of producing clean air.

Description

—种微型气泵 - kind of micro-pump

技术领域 FIELD

[0001] 本实用新型涉及一种气泵,尤其是指一种微型气泵。 [0001] The present invention relates to a pump, more particularly to a micro-pump.

背景技术 Background technique

[0002] 现有技术中,气泵一般包含壳体、电机、凸轮、支座、气囊组、阀座、单向进气阀、顶盖和单向出气阀;电机安装在壳体中,壳体上开有供气孔;凸轮安装在电机的传动轴上;支座架在壳体上,支座上形成贯通的进气孔;气囊组借助阀座固定支撑在支座上,气囊组的底部借助传动杆固定在凸轮上,由电机和凸轮带动做交替式打气,气囊组的边缘对应进气孔形成单向进气阀;阀座上对应气囊组的气囊位置形成贯通的出气孔,阀座的底面对应气囊组的单向进气阀和气囊形成输气槽;单向进气阀和单向出气阀分别盖在进气孔和出气孔上;顶盖固定盖在阀座上,顶盖对应阀座的出气孔形成出气腔,且顶盖上还形成与出气腔连通的出气管。 [0002] In the prior art, the air pump generally comprises a housing, a motor, a cam abutment airbag group, a valve seat, a one-way inlet valve, a cap, and a one-way valve; a motor mounted in the housing, the housing the air supply hole is opened; a cam mounted on the drive shaft of the motor; support frame in the housing, through the inlet hole is formed on the support; bladder set is fixed by means of a valve seat carrier is supported on the bottom of the airbag by means of the group transmission rod is fixed to the cam, and the cam driven by the motor to make alternating pump, the edge of the airbag inlet holes formed corresponding to the group-way inlet valve; group corresponding to the valve seat airbag of the airbag through the vent holes formed at a position, the valve seat the bottom surface of the corresponding one-way inlet valve and a group of the airbag the airbag is formed conveying slot; one-way intake and outlet valves are one-way inlet holes on the lid and apertures; securing the cover cap on the valve seat, corresponding to the top cover the air vent valve chamber is formed, and also forms an outlet chamber communicating with the pipe on the cap.

[0003] 使用时,气体直接由壳体上的供气孔进入壳体内,经支座的进气口上行,将气囊组上的单向进气阀冲开,经阀座的输气槽进入气囊中;电机驱动传动杆摆动,使气囊压缩或扩张,将气体经阀座的出气孔上行,将单向出气阀冲开,进入顶盖的出气腔,经出气管出去实现气泵功能。 [0003] In use, gas is supplied directly to the holes on the inner casing of the housing, through the intake port upstream bearing, one-way intake valve on the balloon red open set, through the valve seat into the airbag conveying slot ; the bar swing motor drive transmission, the expansion or compression of the airbag, the gas through the pores of the upstream valve seat, the one-way outlet valve red open into the outlet chamber cover, out through the outlet pipe implement pump function.

[0004] 因此,现有技术中的气泵具有以下缺陷: [0004] Thus, the prior art pump has the following drawbacks:

[0005] 一、气体从壳体进入,从顶盖出去,气路贯穿处电机之外的整个气泵,其气路长而容易造成气路不畅,从而影响泵的功能; [0005] First, the gas from the housing, away from the cap, the air passage throughout the pump at the outside of the motor, the air path length easily lead to poor gas passage, thus affecting the function of the pump;

[0006] 二、出气管设置在顶盖上,从而使得整个气泵所占的体积大,在将该气泵应用于血压计等仪器中时所占体积大,使用非常不方便。 [0006] Second, the outlet pipe provided on the top cover, so that the large volume occupied by the entire pump, occupies a large volume when the pump apparatus is applied to blood pressure monitors, a very inconvenient.

[0007] 鉴于现有技术气泵的上述缺陷,本发明人研发出一种克服上述缺陷的微型气泵,本案由此产生。 [0007] In view of the above drawbacks of the prior art pump, the present inventors have developed a micro-pump which overcomes the above drawbacks, thereby producing the case.

实用新型内容 SUMMARY

[0008] 本实用新型的目的之一在于提供一种气路畅通且体积小的微型气泵; [0008] One object of the present invention is to provide a gas flow passage and the small size of the micro-pump;

[0009] 本实用新型的另一目的在于提供一种能够产生干净气体的微型气泵。 [0009] Another object of the present invention is to provide a miniature pump to produce a clean gas.

[0010] 为达成上述目的,本实用新型的解决方案为: [0010] To achieve the above object, the present invention solutions:

[0011] 一种微型气泵,包括壳体、电机、凸轮、曲杆、支座、气囊组、阀座、单向进气阀、单向出气阀及顶盖;壳体、支座、阀座及顶盖都呈方形;电机安装在壳体中;凸轮安装在电机的传动轴上;曲杆一端活动插入凸轮的偏心孔中,另一端与气囊组的底部连接;气囊组固定套在支座中,支座架设在壳体上,支座上设置进气换向通道;气囊组对应进气换向通道设置第一进气孔和单向进气阀;阀座安装在支座上,阀座上对应单向进气阀位置开设第二进气孔,阀座上对应气囊位置设置出气孔,单向出气阀盖在出气孔上,阀座下端设置与第一进气孔和气囊正对的输气通道;顶盖固定盖在阀座上,顶盖上设置有荆条,阀座上对应地也设置有荆条,两荆条对接将阀座分隔成独立的进气腔和出气腔,第二进气孔与进气管设置在进气腔中,出气孔与出气管设置在出 [0011] A micro-pump comprising a housing, a motor, a cam, knee lever, bearing, airbag group, a valve seat, a one-way inlet valve, a one-way valve and the cap; housing, bearing, valve and a roof square were tested; a motor mounted in the housing; a cam mounted on the drive shaft of the motor; curved end of the movable rod insertion hole of the eccentric cam, the bottom end of the other set is connected with the airbag; bladder sets in the seat fixing sleeve , the carrier set up in the housing, the abutment is provided an intake passage commutation; bladder set corresponding to an intake passage is provided to change into a first hole and a one-way intake valve; valve seat mounted on the valve corresponding to the one-way intake valve seat defines a second air intake position, airbag position corresponding to the hole provided on the valve seat, a one-way valve in the vent cover, the lower end of the valve seat is provided with a first intake and facing the airbag the gas transmission channel; securing the cover cap on the valve seat, provided with a top cover Vitex, Vitex correspondingly also provided with a valve seat, valve seat abutting two Vitex divided into separate intake chamber and outlet chamber, a second intake port provided in the intake pipe of the intake chamber, and a vent pipe provided on the 气腔中。 Gas chamber.

[0012] 进一步,在进气管及出气管中设置有滤网。 [0012] Further, the intake pipe is provided with a strainer and the trachea.

[0013] 进一步,气囊设置为对称的两个,曲杆的上端对应地设置两个插孔,气囊的底部插入插孔中而固定于曲杆上。 [0013] Further, the airbag is set to two symmetrical, the upper end of the knee lever is provided corresponding to the bottom two jacks, the balloon is inserted into the jack rod is fixed to the song.

[0014] 进一步,凸轮的偏心孔中放置滚珠,曲杆的下端插入偏心孔中。 [0014] Further, the eccentric cam hole placed balls, the lower end of curved lever into eccentric hole.

[0015] 进一步,出气孔设置在固定孔的周沿,单向出气阀呈伞形,伞把插入固定孔中,伞面盖在出气孔上,伞面朝向顶盖。 [0015] Further, vent holes disposed along the periphery of the fixing hole, the one-way valve umbrella shape, the umbrella is inserted into the fixing hole, a hole in the canopy cover, the top cover toward the canopy.

[0016] 采用上述方案后,气体由进气管进入顶盖与阀座之间形成的气腔,通过设置在阀座底部的输气槽,冲开设置在气囊座上的单向进气阀而进入气囊;在电机的驱动下,压缩气囊,气囊中的气体冲开单向出气阀,由出气管出去。 [0016] After the foregoing embodiment, gas from the intake manifold into the air chamber is formed between the cap and the valve seat, by providing the conveying slot at the bottom of the seat, the one-way impulse to open the intake valve seat and the airbag into the airbag; driven by the motor, the compression balloon, the balloon gas impulse to open the one-way valve, out the outlet pipe.

[0017] 因此,本实用新型的气路较短,所以通气顺畅;另一方面,本实用新型的进气管及出气管都设置在阀座的下端,而没有设置在顶盖上,所以,本实用新型体积小,可以很好地适用各种精密仪器。 [0017] Accordingly, the present invention is shorter gas path, so that smooth ventilation; another aspect, the present invention and the intake pipe are provided at the lower end of the tube seat, and not provided on the top cover, therefore, the present utility model small size, can be well suited for a variety of precision instruments.

[0018] 再次,本实用新型在进气管及出气管中设置有滤网,气体经过滤网的过滤使本实用新型产生干净的气体。 [0018] Again, the present invention is provided in the intake pipe and outlet pipe with a strainer, so that gas passes through the filter screen of the present invention to produce a clean gas.

附图说明 BRIEF DESCRIPTION

[0019] 图I是本实用新型俯视立体分解图; [0019] Figure I is an exploded perspective top view of the present invention FIG;

[0020] 图2是本实用新型气囊组的俯视图; [0020] FIG. 2 is a plan view of the present invention airbag group;

[0021] 图3是本实用新型阀座俯视图; [0021] FIG. 3 is a plan view of the seat of the present invention;

[0022] 图4是本实用新型顶盖的仰视图。 [0022] FIG. 4 is a bottom view of the cap of the present invention, FIG.

[0023] 标号说明 [0023] DESCRIPTION OF REFERENCE NUMERALS

[0024] 壳体I 电机2 [0024] I the motor housing 2

[0025]凸轮 3 [0025] Cam 3

[0026] 偏心孔31 滚珠32 [0026] The eccentric hole 31 of the ball 32

[0027] 曲杆4 插孔41 [0027] Jack 41 knee lever 4

[0028] 支座5 进气换向通道51 [0028] The holder 5 of the intake passage 51 to the transducer

[0029] 气囊组6 [0029] Group 6 airbag

[0030] 气囊61 第一进气孔62 [0030] The first intake hole 62 of the airbag 61

[0031] 单向进气阀63 [0031] The one-way inlet valve 63

[0032]阀座 7 [0032] The valve seat 7

[0033] 进气管71 出气管72 [0033] The intake pipe 71 pipe 72

[0034] 出气孔73 固定孔74 [0034] 74 vent hole 73 is fixed

[0035] 第二进气孔75 荆条76 [0035] The second intake hole 75 Vitex 76

[0036] 输气通道77 [0036] The gas delivery channels 77

[0037] 单向出气阀8 [0037] a one-way valve 8

[0038] 顶盖9 荆条91。 [0038] 9 Vitex cover 91.

具体实施方式[0039] 以下结合附图及具体实施例对本实用新型作详细的说明。 DETAILED DESCRIPTION [0039] accompanying drawings and the following description of the embodiments of the present invention in detail specific embodiments.

[0040] 参见图I及图2所示,本实用新型揭示的一种微型气泵,包括壳体I、电机2、凸轮 [0040] Referring to FIGS. I and 2, the present invention discloses a micro-pump, comprising a housing I, the motor 2, the cam 2

3、曲杆4、支座5、气囊组6、阀座7、单向进气阀63、单向出气阀8及顶盖9。 3, knee lever 4, the support 5, the airbag group 6, the valve seat 7, the one-way inlet valve 63, the check valve 8 and the cover 9.

[0041] 壳体I、支座5、阀座7及顶盖9都呈方形。 [0041] The housing I, the support 5, the valve seat 7 and the cover 9 were tested square. 这样,可以在整体上减小本实用新型的体积,从而使本实用新型可以适用于一些精密的微型仪器。 Thus, the present invention can reduce the overall volume, so that the present invention may be applied to a number of micro-precision instruments.

[0042] 电机2安装在壳体I中。 [0042] The motor 2 is mounted in the housing I. 凸轮3安装在电机2的传动轴上。 The cam 3 is mounted on the drive shaft of the motor 2.

[0043] 曲杆4 一端活动插入凸轮3的偏心孔31中,另一端与气囊组6的底部连接。 [0043] The curved end of the movable shaft 4 is inserted into the hole 3 of the eccentric cam 31, the bottom end of the other group 6 is connected with the airbag. 凸轮3的偏心孔31中可以放置滚珠32,曲杆4的下端插入偏心孔31中,从而在凸轮3转动的情况下,曲杆4也能很好地跟着转动,同时还可以减小曲杆4与凸轮3之间的摩擦。 3, the cam eccentric hole 31 can be placed in the balls 32, the lower end of the knee lever 4 is inserted into the eccentric hole 31, so that in the case of the cam 3 is rotated, the knee lever 4 can be rotated to follow well, but also can reduce the knee lever the friction between the cam 34. [0044] 气囊组6固定套在支座5中,支座5架设在壳体I上。 [0044] Group 6 of the airbag cover in the seat 5 is fixed, the carrier 5 erected on the housing I. 支座5上设置有进气换向通道51 ;气囊组6对应进气换向通道51设置第一进气孔62和单向进气阀63。 5 is provided on the seat reversing intake passage 51; bladder set to 6 corresponding to the intake passage 51 is provided a first transducer inlet hole 62 and the one-way inlet valve 63.

[0045] 阀座7安装在支座5上,阀座7上设置有进气管71和出气管72,阀座7上对应单向进气阀63位置开设第二进气孔75,第二进气孔75与进气管71相通,阀座7上对应气囊61位置设置有出气孔73,出气孔73与出气管72相通,单向出气阀8盖在出气孔73上。 [0045] The valve seat 7 is mounted on the support 5, the valve seat 7 is provided on the intake pipe 71 defines a second inlet port 75 and outlet pipe 72, the corresponding one-way inlet valve position of the valve seat 763, a second inlet hole 75 communicating with the intake pipe 71, corresponding to the position of the balloon 61 is provided with a hole 73 on the valve seat 7, the hole 73 communicates with the outlet pipe 72, a one-way valve 8 on the hole 73 in the lid. 出气孔73可以设置在固定孔74的周沿,单向出气阀8呈伞形,伞把插入固定孔74中,伞面盖在出气孔73上。 Outlet holes 73 may be disposed along the periphery of the fixing hole 74, a one-way valve 8 as a mushroom, umbrella inserted into the fixing hole 74, the hole in the canopy cover 73.

[0046] 气囊61可以设置为对称的两个,曲杆4的上端对应地设置两个插孔41,气囊61的底部插入插孔41中而固定于曲杆4上。 [0046] The balloon 61 may be provided symmetrically on two, upper knee lever 4 is provided corresponding to two jacks 41, the bottom of the airbag 61 into the jack 41 is fixed to the knee lever 4. 气囊61的设置数目,可以根据对本实用新型的功率要求而进行选择。 The number of air bag 61 is provided, according to the present invention the power requirements of the selection. 阀座7下端设置与第一进气孔62和气囊61正对的输气通道77。 The lower end of the valve seat 7 is provided with a first inlet 62 and a gas delivery passage hole 61 facing the airbag 77.

[0047] 作为优选,可以在进气管71及出气管72中设置有滤网(图中未示出),这样可以将进出的气体进行过滤,使本实用新型产生干净的气体。 [0047] Preferably, the intake pipe 71 and the can 72 is provided with a filter (not shown), which can be filtered out of the gas, of the present invention to produce a clean gas pipe.

[0048] 顶盖9固定盖在阀座7上,可以通过超声波熔接或者其它方式熔接。 [0048] The lid cover 9 is fixed on the valve seat 7, it can be welded by ultrasonic welding or other means. 顶盖9上设置有荆条91,阀座7上对应地也设置有荆条76,两荆条对接将阀座7分隔成独立的进气腔和出气腔,第二进气孔75与进气管72设置在进气腔中,出气孔73与出气管71设置在出气腔中。 There Vitex 91 is provided on the cover 9, corresponding to the valve seat 7 is also provided with a 76 Vitex, Vitex two abutting valve seat 7 divided into separate intake chamber and the outlet chamber, a second intake port 75 and the intake pipe 72 is provided in the intake chamber, and a vent pipe 73 provided in the outlet chamber 71.

[0049] 使用时,气体由进气管71进入顶盖9与阀座7之间形成的气腔,通过设置在阀座7底部的第二进气孔75,然后冲开设置在气囊座5上的单向进气阀63,然后通过进气换向通道51,进入设置在气囊组6上的第一进气孔62,然后进入设置在阀座7上的输气通道77而进入气囊61 ;在电机2的驱动下,促使曲杆4摆动而压缩气囊61,气囊61中的气体冲开单向出气阀8,由出气管72出去。 When the [0049] use, the gas inlet pipe 71 into the gas chamber 7 is formed between the cap 9 and the valve seat, a second intake hole provided in the bottom of valve seat 757, and then red open seat provided on the balloon 5 one-way inlet valve 63, and then through the inlet channel 51 to the transducer, into the first intake aperture disposed in the airbag 62 of the group 6, and then enters the gas transmission passage is provided on the valve seat 77 into the balloon 7 61; 2 is driven by the motor, causes the compression knee lever 4 swings airbag 61, the airbag 61 gas impulse to open the one-way valve 8, the outlet pipe 72 out.

[0050] 本实用新型气路顺畅,且体积小;同时,对气体进行过滤,从而产生干净气体,本实用新型可以适用于血压计等产品。 [0050] The present invention airway smooth, and small volume; the same time, the gas is filtered to produce a clean gas, the present invention can be applied to a sphygmomanometer, and other products.

[0051] 以上所述仅为本实用新型的一个实施例,并非对本案设计的限制,凡依本案的设计关键所做的等同变化,均落入本案的保护范围。 [0051] The above description is only one embodiment of the present invention embodiment, not a limitation on the design of the case, all equivalent changes made according to the case of the key design, fall within the scope of the case.

Claims (5)

1. 一种微型气泵,其特征在于:包括壳体、电机、凸轮、曲杆、支座、气囊组、阀座、单向进气阀、单向出气阀及顶盖;壳体、支座、阀座及顶盖都呈方形;电机安装在壳体中;凸轮安装在电机的传动轴上;曲杆一端活动插入凸轮的偏心孔中,另一端与气囊组的底部连接;气囊组固定套在支座中,支座架设在壳体上,支座上设置进气换向通道;气囊组对应进气换向通道设置第一进气孔和单向进气阀;阀座安装在支座上,阀座上对应单向进气阀位置开设第二进气孔,阀座上对应气囊位置设置出气孔,单向出气阀盖在出气孔上,阀座下端设置与第一进气孔和气囊正对的输气通道;顶盖固定盖在阀座上,顶盖上设置有荆条,阀座上对应地也设置有荆条,两荆条对接将阀座分隔成独立的进气腔和出气腔,第二进气孔与进气管设置在进气腔中,出气孔与出气 A micro-pump, characterized by: a housing, a motor, a cam, knee lever, bearing, airbag group, a valve seat, a one-way inlet valve, the check valve and the cover; a housing support , seat and cap were tested square; a motor mounted in the housing; a cam mounted on the drive shaft of the motor; curved end of the movable rod insertion hole of the eccentric cam, the bottom end of the other set is connected with the airbag; bladder sets fixing sleeve in the carrier, the carrier set up in the housing, the abutment is provided an intake passage commutation; bladder set corresponding to an intake passage is provided to change into a first hole and a one-way intake valve; a valve seat mounted in the seat , the position of the corresponding one-way inlet valve defines a second air intake, air outlet is provided corresponding to the position of the airbag on the valve seat, a one-way valve in the vent cover, the lower end of the valve seat is provided with a first intake and the valve seat n airbag gas transmission channel pairs; securing the cover cap on the valve seat, provided with a top cover Vitex, Vitex correspondingly also provided with a valve seat, valve seat abutting two Vitex divided into separate intake chamber and the outlet chamber , a second intake port and the intake pipe is provided in the intake chamber, and an outlet vent 设置在出气腔中。 Provided in the outlet chamber.
2.如权利要求I所述的一种微型气泵,其特征在于:在进气管及出气管中设置有滤网。 2. a miniature pump according to claim I, wherein: the intake pipe is provided with a strainer and the trachea.
3.如权利要求I所述的一种微型气泵,其特征在于:气囊设置为对称的两个,曲杆的上端对称地设置两个插孔,气囊的底部插入插孔中而固定于曲杆上。 3. a miniature pump according to claim I, wherein: the airbag is set to two, the upper end of the knee lever two jacks disposed symmetrically symmetric, the balloon is inserted into the bottom of the jack is fixed to a bent lever on.
4.如权利要求I所述的一种微型气泵,其特征在于:凸轮的偏心孔中放置滚珠,曲杆的下端插入偏心孔中。 4. a micro-pump according to claim I, wherein: the ball is placed in the eccentric cam hole, the lower end of the knee lever is inserted in the eccentric hole.
5.如权利要求I所述的一种微型气泵,其特征在于:出气孔设置在固定孔的周沿,单向出气阀呈伞形,伞把插入固定孔中,伞面盖在出气孔上,伞面朝向顶盖。 5 a micro-pump according to claim I, wherein: a hole is provided along the periphery of the fixing hole, the one-way valve umbrella shape, the umbrella is inserted into the fixing hole, a hole in the canopy cover , toward the roof canopy.
CN2012200153319U 2012-01-13 2012-01-13 Micro air pump CN202493407U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103790811A (en) * 2012-10-26 2014-05-14 厦门科际精密器材有限公司 Miniature air pump
CN105134566A (en) * 2015-08-31 2015-12-09 厦门金升泵电子科技有限公司 Flat type micro air pump with double gas outlets
CN105156310A (en) * 2015-08-31 2015-12-16 厦门金升泵电子科技有限公司 Flat micro vacuum pump
US9574555B2 (en) 2012-10-26 2017-02-21 Xiamen Koge Micro Tech Co., Ltd. Miniature air pump
US9943196B2 (en) 2015-11-12 2018-04-17 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10065199B2 (en) 2015-11-13 2018-09-04 Gojo Industries, Inc. Foaming cartridge
US10080466B2 (en) 2015-11-18 2018-09-25 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10080467B2 (en) 2015-11-20 2018-09-25 Gojo Industries, Inc. Foam dispensing systems, pumps and refill units having high air to liquid ratios
US10080468B2 (en) 2015-12-04 2018-09-25 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10143339B2 (en) 2016-04-06 2018-12-04 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10441115B2 (en) 2016-02-11 2019-10-15 Gojo Industries, Inc. High quality non-aerosol hand sanitizing foam

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103790811A (en) * 2012-10-26 2014-05-14 厦门科际精密器材有限公司 Miniature air pump
CN103790811B (en) * 2012-10-26 2016-04-20 厦门科际精密器材有限公司 Micro air pump
US9574555B2 (en) 2012-10-26 2017-02-21 Xiamen Koge Micro Tech Co., Ltd. Miniature air pump
CN105134566A (en) * 2015-08-31 2015-12-09 厦门金升泵电子科技有限公司 Flat type micro air pump with double gas outlets
CN105156310A (en) * 2015-08-31 2015-12-16 厦门金升泵电子科技有限公司 Flat micro vacuum pump
US9943196B2 (en) 2015-11-12 2018-04-17 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10065199B2 (en) 2015-11-13 2018-09-04 Gojo Industries, Inc. Foaming cartridge
US10080466B2 (en) 2015-11-18 2018-09-25 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10080467B2 (en) 2015-11-20 2018-09-25 Gojo Industries, Inc. Foam dispensing systems, pumps and refill units having high air to liquid ratios
US10080468B2 (en) 2015-12-04 2018-09-25 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems
US10441115B2 (en) 2016-02-11 2019-10-15 Gojo Industries, Inc. High quality non-aerosol hand sanitizing foam
US10143339B2 (en) 2016-04-06 2018-12-04 Gojo Industries, Inc. Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems

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