CN2834561Y

CN2834561Y - Air suction and exhaust device for milk-pump

Info

Publication number: CN2834561Y
Application number: CN 200520106489
Authority: CN
Inventors: 洪士超
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-26
Filing date: 2005-08-26
Publication date: 2006-11-08
Anticipated expiration: 2015-08-26

Abstract

The utility model relates to an air suction and exhaust device for a milk pump, and the utility model is provided with a combined base. The combined base and the bottom are respectively penetrated by an air sucking hole communicated with a bottle cover and a bottle body and a vent hole communicated with outside. The combined base is combined and provided with a casing, and a piston film is arranged in the casing and the combined base. While the bottom of the casing is provided with an air inlet hole and an air outlet hole corresponding to the air sucking hole and the vent hole of the combined base. The piston film is provided with an air inlet valve which can block the air sucking hole and an outlet valve which can block the air outlet hole. A piston rod which can reciprocate is arranged inside the casing. When pressure change is formed in the casing, the air inlet valve and the air outlet valve are driven to open and close so as to form the air sucking and milk pumping functions.

Description

The air intake and exhaust system of humalactor

Technical field

This utility model relates to humalactor, relates in particular to the air intake and exhaust system that a kind of suction effect is good, can reduce the humalactor of piston diaphragm elastic fatigue and distortion.

Background technology

General known existing humalactor, as shown in Figure 4, it is provided with a bottle 70, this bottle 70 is provided with a bottle cap 71, the one side connection of this bottle cap 71 is provided with one glass of cover 72, and this bottle cap 71 is installed with an exhaust tube 73, the end face of this exhaust tube 73 is installed with a pedestal 74, opposite side corresponding to exhaust tube 73 on this pedestal 74 is installed with a motor 75, this motor 75 is provided with a driving shaft 76, rotates to drive eccentric 77, and these eccentric 77 energy interlocks one piston diaphragm 78 liftings, and then interlock one can supply deflated aerofluxus valve for the air inlet valve and of air inlet, and makes this exhaust tube 73 be communicated in the air inlet valve; In addition, this pedestal 74 is provided with one and is communicated in this aerofluxus valve and extraneous exhaustor 79, drives these piston diaphragm 78 pull-ups by eccentric 77, with when bleeding state, can make this exhaust clack membrane closure, opens this air inlet valve, forms the suction breast effect of bleeding; And be recessed into when this eccentric 77 drives this piston diaphragm 78, when becoming exhaust condition, this air inlet valve is subjected to the influence of air pressure and seals, promptly opened this aerofluxus valve, air can be discharged through exhaustor 79 by this aerofluxus valve, according to this repeatedly, formed the effect of inhaling breast.

But, the air intake and exhaust system of this class humalactor still has its shortcoming, therefore using in the enforcement, owing to utilize this piston diaphragm ascending, descending of this eccentric interlock, be easy to generate strain, the tired and problem of leaking out, reduce suction, cause and inhale newborn poor effect, and after inhaling breast a period of time, because this bottle and this cup cover suction become big, then cause piston diaphragm strain easily, can't effectively open and close this air inlet valve and this aerofluxus valve, the suction that causes this humalactor to produce is limited, and the effect of breast is inhaled in influence.

Summary of the invention

The purpose of this utility model design is the air intake and exhaust system that a kind of humalactor is provided for the defective that overcomes prior art, it is the reciprocal air pressure variations that produces of borrowing piston, driving diaphragm-operated air inlet valve of this piston and aerofluxus valve opens and closes, and this piston diaphragm can be moved really, increase the suction brute force and inhale newborn effect.

The air intake and exhaust system of the humalactor of this utility model design comprises: one can be communicated in the connecting support of humalactor bottle cap, and this connecting support runs through the aspirating hole and that is provided with a connection bottle cap and bottle and is communicated in extraneous steam vent; One piston diaphragm, this piston diaphragm is located at the end face of this connecting support, and relatively aspirating hole and steam vent position are hanging shape and are provided with an air inlet valve and an aerofluxus valve, and the air inlet valve can fit in aspirating hole, and be formed with a gap between aerofluxus valve and steam vent; The shell of one hollow, this shell is installed on the connecting support, the end face that described shell and piston diaphragm are fitted is made as a sealing surface, and the vertical direction of relative this sealing surface of this shell is formed with one toward complex space, and this sealing front cover is aimed at and is respectively equipped with an air inlet and a breast of giving vent to anger on diaphragm-operated air inlet valve of this piston and the aerofluxus valve, the aerofluxus valve can fit in this venthole, and is formed with a gap between air inlet valve and air inlet; One piston rod, this piston rod can move back and forth in described shell in complex space, and piston rod is provided with a piston part towards the sealing surface direction of shell; One driving device, this driving device are located at the end that shell differs from described sealing surface, and driving device can move back and forth to motion bar in transmission.

The air intake and exhaust system of the humalactor of this utility model design can also comprise that described shell section is the shape of falling L, and driving device is located at the other end that shell differs from sealing surface, and be provided with a motor, this motor is provided with a power transmission shaft, described power transmission shaft is being provided with a driving wheel in complex space, and this piston rod is towards this driving device direction convergent, and is hubbed at the outside that driving wheel differs from power transmission shaft.

The air intake and exhaust system of the humalactor of this utility model design can also comprise that the piston part outer peripheral edges of described piston rod are embedded with the leak-proof gasket of an O shape.

The air intake and exhaust system of the humalactor of this utility model design has following advantage:

1. it is good and can increase the service life to inhale newborn effect: because the moving back and forth of piston rod, to produce the variation of air pressure, open and close uniformly and make the diaphragm-operated air inlet valve of this piston and this aerofluxus valve be stressed, reduce the strain of this air inlet valve and this aerofluxus valve, and has action really, reduce the problem of leaking out of commonly using, thereby can Da Fu promote the effect of inhaling breast and increase the service life.

2. it is good to inhale newborn intensity: because diaphragm-operated air inlet valve of this piston and the action of this aerofluxus valve are really, can cooperate the lifting of this piston rod, effectively this air inlet valve of interlock and this aerofluxus valve move, and can increase the suction of this humalactor, increase the intensity that humalactor is inhaled breast.

Further describe purpose of design of the present utility model, construction features and practicality below in conjunction with drawings and Examples.

Description of drawings

The combination cross-sectional schematic of the air intake and exhaust system of the humalactor that Fig. 1 designs for this utility model;

The air intake and exhaust system of the humalactor that Fig. 2 designs for this utility model is at the part assembled sectional view that is when bleeding state;

The part assembled sectional view of air intake and exhaust system when being exhaust condition of the humalactor that Fig. 3 designs for this utility model;

Fig. 4 is existing combination cross-sectional schematic.

Description of reference numerals: 10 is connecting support; 11 is aspirating hole; 12 is steam vent; 20,78 be the piston diaphragm; 21 are the air inlet valve; 22 are the aerofluxus valve; 30 is shell; 31 is sealing surface; 32 is air inlet; 33 is venthole; 34 is toward complex space; 40 is driving device; 41 is motor; 42 is power transmission shaft; 43 is driving wheel; 50 is piston rod; 51 is the piston part; 52 is leak-proof gasket; 60,70 be bottle; 61,71 be bottle cap 62,72 and be cup cover; 73 is exhaust tube; 74 is pedestal; 75 is motor; 76 is driving shaft; 77 is eccentric; 79 is exhaustor.

The specific embodiment

As shown in Figures 1 and 2, the air intake and exhaust system of the humalactor of this utility model design comprises:

One can be communicated in the connecting support 10 of newborn device bottle cap 61, and this connecting support 10 runs through the aspirating hole 11 and that is provided with a connection bottle cap 61 and bottle 60 and is communicated in extraneous steam vent 12;

One piston diaphragm 20, this piston diaphragm 20 is located at the end face of this connecting support 10, and this aspirating hole 11 and this steam vent 12 positions are hanging shape and are provided with an air inlet valve 22 and an aerofluxus valve 23 relatively, this air inlet valve 22 can fit in this aspirating hole 11, and this aerofluxus valve 23 and 12 of this steam vents are formed with a gap;

The shell 30 of one hollow, this shell 30 is installed on the connecting support 10, section is the shape of falling L, and this shell 30 is made as sealing surface 31 at an end face of this piston diaphragm 20 of fitting, and this shell 30 is formed with one toward complex space 34 with respect to the vertical direction of this sealing surface 31, and air inlet valve 22 and aerofluxus valve 23 that this sealing surface 31 is aimed at piston diaphragm 20 are respectively equipped with an air inlet 32 and a venthole 33, and aerofluxus valve 23 can fit in this

venthole

33, and 32 of air inlet valve 22 and air inlets are formed with a gap;

One driving device 40, this driving device 40 is located at the other end that shell 30 differs from sealing surface 31, and is provided with a motor 41, and this motor 41 is provided with a power transmission shaft 42, and this power transmission shaft 42 is being provided with a driving wheel 43 toward complex space 34;

One piston rod 50, this piston rod 50 can move back and forth in this shell 30 in complex space 34, and this piston rod 50 is towards these driving device 40 direction convergents, and be hubbed at the outside that this driving wheel 43 differs from this power transmission shaft 42, can be eccentric this piston rod 50 that drives for this driving wheel 43 moves back and forth in toward complex space 34, and this piston rod 50 is provided with a piston part 51 towards sealing surface 31 aspects of this shell 30, and these piston part 51 outer peripheral edges are embedded with the leak-proof gasket 52 of an O shape; By above-mentioned structure, promptly form the exhaust apparatus of the humalactor of this utility model design.

During use, when being suction condition, as shown in Figures 1 and 2, start this motor 41, with this power transmission shaft 42 of transmission and 43 rotations of this driving wheel, and, this driving wheel 43 is pivoted because being off-centre with this piston rod 50, this driving wheel 43 can drive piston rod 50 and rise, make toward complex space 34 and form the partial vacuum state, produce suction, this air inlet valve 22 is opened up, and aerofluxus valve 23 is subjected to the effect of suction, fit tightly venthole 33 up, and supplied gas can enter air inlet 32 by bottle 60 and cup cover 61 peripheries through this steam vent 12 and air inlet valve 22 in shell 30, to past complex space 34, to form a suction, with the breast sucking-off milk that bears against in the cup cover 61, and milk gravity heavily can flow down along this bottle 60.

When being exhaust condition, as Fig. 1 and shown in Figure 3, drive driving wheel 43 and piston rod 50 in regular turn by motor 41, piston rod 50 is moved towards sealing surface 31 directions of shell 30, produce an air pressure, air inlet valve 22 is pressed down, to close aspirating hole 11, and this air pressure can press down aerofluxus valve 23, make aerofluxus valve 23 be the unlatching shape, discharging via venthole 33, aerofluxus valve 23 peripheries and steam vent 12 toward the air in the complex space 34, take out so repeatedly, the aerofluxus action, can finish the effect of drawing milk.

Claims

1. the air intake and exhaust system of a humalactor is characterized in that comprising:

One can be communicated in the connecting support of humalactor bottle cap, and this connecting support runs through the aspirating hole and that is provided with a connection bottle cap and bottle and is communicated in extraneous steam vent;

One piston diaphragm, this piston diaphragm is located at the end face of this connecting support, and relatively aspirating hole and steam vent position are hanging shape and are provided with an air inlet valve and an aerofluxus valve, and the air inlet valve can fit in aspirating hole, and be formed with a gap between aerofluxus valve and steam vent;

The shell of one hollow, this shell is installed on the connecting support, the end face that described shell and piston diaphragm are fitted is made as a sealing surface, and the vertical direction of relative this sealing surface of this shell is formed with one toward complex space, and this sealing front cover is aimed at and is respectively equipped with an air inlet and a breast of giving vent to anger on diaphragm-operated air inlet valve of this piston and the aerofluxus valve, the aerofluxus valve can fit in this venthole, and is formed with a gap between air inlet valve and air inlet;

One piston rod, this piston rod can move back and forth in described shell in complex space, and piston rod is provided with a piston part towards the sealing surface direction of shell;

One driving device, this driving device are located at the end that shell differs from described sealing surface, and driving device can move back and forth to motion bar in transmission.

2. the air intake and exhaust system of humalactor as claimed in claim 1, it is characterized in that described shell section is the shape of falling L, and driving device is located at the other end that shell differs from sealing surface, and be provided with a motor, this motor is provided with a power transmission shaft, described power transmission shaft is being provided with a driving wheel in complex space, and this piston rod is towards this driving device direction convergent, and is hubbed at the outside that driving wheel differs from power transmission shaft.

3. the air intake and exhaust system of humalactor as claimed in claim 1 or 2 is characterized in that the piston part outer peripheral edges of described piston rod are embedded with the leak-proof gasket of an O shape.