CN202414477U

CN202414477U - Liquid drainage and spraying device

Info

Publication number: CN202414477U
Application number: CN2012200360304U
Authority: CN
Inventors: 周益; 汪红波
Original assignee: Zhejiang Normal University CJNU
Current assignee: Zhejiang Normal University CJNU
Priority date: 2012-01-16
Filing date: 2012-01-16
Publication date: 2012-09-05
Anticipated expiration: 2022-01-16

Abstract

The utility model relates to a liquid drainage and spraying device which comprises a sealing cup, an outer washer, an inner washer, a valve rod, a spring, a valve chamber and a suction pipe and is characterized in that a ring-shaped blocking ring is arranged on the valve rod; a gas and liquid channel is formed on the ring-shaped blocking ring; a vent channel is formed on the wall of the valve chamber; and the ring-shaped blocking ring on the valve rod can close or open the vent channel. Through the adoption of the structure, when the valve rod moves vertically and axially, the vent channel in the valve chamber can be opened or closed. The liquid drainage and spraying device has the beneficial effects that a propellant in a tank body is sprayed from a spray nozzle on a pressing head at the initial and final liquid spraying stages to clean dust residues in a flow passage; at the liquid spraying stage, a certain quantity of gas is mixed with liquid to play an atomizing role; and therefore, not only can the drainage and spraying device automatically spray the gas and clean residual contents on the flow passage and the spray nozzle before the end of each use to prevent the blockage, but also the gas in the tank body can better atomize viscous solution in the tank, so that the use is convenient.

Description

Liquid is discharged atomising installation

Technical field

The utility model relates to a kind of liquid and discharges atomising installation, relates in particular to a kind of aerosol valve that is applicable on the bigger aerosol products of viscosity.

Background technology

Present prior art, the aerosol valve that is used on the aerosol products comprises envelope cup, outer washer, inner washer, valve rod, spring, valve chamber, suction pipe.Aerosol valve have only one from suction pipe through the valve chamber inner chamber again through the liquid phase runner of valve rod metering hole ejection, perhaps have the other hole of gas phase on the valve chamber, also just play the atomizing effect effect of regulating.Existing problems are: do not have automatic liquid honing runner function.When gas-fog products is the bigger content of viscosity, for example paint aerosol, be the male valve of aerosol when what use, need in use, as once spray, need before depositing jar is inverted, depress shower nozzle 3-5 second, clear up valve flowing channel and nozzle remnants content, with anti-clogging; When what use is the female valve of aerosol, need shower nozzle transferred to be placed in the diluent after each the use and clean, and uses inconvenient.

Summary of the invention

The purpose of the utility model is: provide a kind of liquid to discharge atomising installation; It can not only be before each use finishes, and the remaining content on automatic liquid honing runner and the nozzle is with anti-clogging; And tank body in propellant a jar interior viscosity solution is better atomized, easy to use.

The utility model is achieved in that a kind of liquid discharge atomising installation comprises: seal cup, outer washer, inner washer, valve rod, spring, valve chamber, suction pipe, its special character is: have ring-type to stop up circle on the valve rod, ring-type is stopped up on the circle has gas-liquid channel; Venting channels is arranged on the valve chamber wall, and the ring-type on the valve rod is stopped up circle and can venting channels closed or open.

Described liquid is discharged atomising installation, and its special character is: ring platform in is arranged in the valve chamber, and said venting channels is the gas phase channel that connects vertically that is positioned on the ring platform; The gas-liquid channel that ring-type is stopped up circle connects vertically, and the lower surface that ring-type is stopped up circle cooperates with the upper surface of interior ring platform, opens or closes venting channels.

Described liquid is discharged atomising installation, and its special character is: on the interior ring platform annular groove is arranged, the annular groove bottom is communicated with venting channels; Stop up the annular protrusion that the radial periphery on the lower surface of enclosing has in ring-type; Annular protrusion cooperates with annular groove on the interior ring platform.

The utility model liquid is discharged atomising installation, has ring-type to stop up circle on the valve rod, and ring-type is stopped up on the circle has gas-liquid channel; Venting channels is arranged on the valve chamber wall, and the ring-type on the valve rod is stopped up circle and can venting channels closed or open.Adopt the valve rod of this structure and the aerosol valve that valve chamber is combined into, when valve rod moves axially up and down, can open or close the venting channels in the valve pocket.Propellant gas in the tank body, through the venting channels on the valve body, the gas-liquid channel on the valve rod, the metering hole on the valve rod, valve-rod cavity, the nozzle ejection on head.During use, at the beginning of pressing head, propellant plays dust resistates, unimpeded effect in the cleaning runner; In the hydrojet stage when pressing head, the propellant of some and the effect that liquid mixing plays atomized liquid are arranged to nadir; Push hydrojet ending phase when finishing, reach the effect of cleaning surplus liquid in valve-rod cavity, the nozzle.So it can not only each use finish before, the remaining content on liquid honing runner and the nozzle automatically, with anti-clogging, and the propellant in the tank body can make a jar interior viscosity solution better atomize, and is easy to use.

Description of drawings

Fig. 1 is the cutaway view at the beginning of the utility model shower nozzle is pressed the time.

The cutaway view that Fig. 2 is the utility model shower nozzle by to nadir the time.

Fig. 3 is the cutaway view of the utility model valve body.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Like Fig. 1, Fig. 2, shown in Figure 3, a kind of liquid is discharged atomising installation and is comprised: seal cup 3, outer washer (not shown), inner washer 4, valve rod 2, spring 8, valve chamber 101, suction pipe 6, head 5 is installed on valve rod 2, nozzle 51 is arranged on the head 5.Have ring-type to stop up circle 21 on the valve rod 2, ring-type is stopped up on the circle 21 has gas-liquid channel 22; On valve chamber 101 walls venting channels 103 is arranged, the ring-type on the valve rod 2 is stopped up circle 21 and can venting channels 103 closed or open.The utility model is installed in the top of tank body 7.

Ring platform 105 in one is arranged in the valve chamber 101, and said venting channels 103 is for being positioned at the gas phase channel that connects vertically on the ring platform 105; The gas-liquid channel 22 that ring-type is stopped up circle 21 connects vertically, and the lower surface that ring-type is stopped up circle 21 cooperates with the upper surface of interior ring platform 105, opens or closes venting channels 103.

As the further improvement of the utility model, an annular groove 104 is arranged on the interior ring platform 105, annular groove 104 bottoms are communicated with venting channels 103; The annular protrusion that radial periphery on the lower surface of ring-type obstruction circle 21 has; Annular protrusion cooperates with annular groove 104 on the interior ring platform 105.

The utility model in use, and is as shown in Figure 1, for pressing at the beginning of the head 5; Valve rod 2 metering holes 23 passages are opened, and the venting channels 103 on the valve chamber 101 is stopped up before circle 21 do not close by valve rod 2 ring-types, are gas from nozzle 51 ejections of head 5 at this moment; Propellant gas in the tank body 7, sprays from nozzle 51 to head 5 through venting channels 103, gas-liquid channel 22, stem cavity 24; Can play the dust resistates of removing valve flowing channel, the open conduit effect.

As shown in Figure 2; Press head 5 to nadir, be working stage this moment, and at this moment valve rod metering hole 23 passages are opened to greatest extent; And the venting channels 103 of valve chamber 101 is closed by valve rod ring-type obstruction circle 21; At this moment, the liquid in the tank body 7 sprays until the nozzle 51 of head 5 from suction pipe 6 inflow valve pockets 101, gas-liquid channel 22, metering hole 23, valve-rod cavity 24.A small amount of propellant gas gets into valve pocket 101 from the venting channels 103 of failing to close fully, and after the propellant gas and the atomization of liquid, by nozzle 51 ejections of head 5, venting channels 103 has strengthened the atomizing effect of liquid.Before loosening head 5, the venting channels 103 of valve chamber 101 is opened, and the metering hole 23 of valve rod 2 is not closed as yet at this moment; Propellant gas ejection like this to reach the remaining content of removing on valve-rod cavity 24 and the nozzle 51, prevents to stop up; Close until valve rod metering hole 24, finish spraying.

The utility model, have in the valve pocket 101 two passes respectively with tank body 7 in gas phase link to each other with liquid phase.Article one, be to link to each other with gas phase in the tank body 7 through the venting channels on the valve chamber 101 103; Another is to link to each other with liquid phase in the tank body through the suction pipe 6 of valve chamber 101 end joint connections.

Claims

1. a liquid is discharged atomising installation, comprising: seal cup, outer washer, inner washer, valve rod, spring, valve chamber, suction pipe, it is characterized in that: have ring-type to stop up circle on the valve rod, ring-type is stopped up on the circle has gas-liquid channel; Venting channels is arranged on the valve chamber wall, and the ring-type on the valve rod is stopped up circle and can venting channels closed or open.

2. liquid according to claim 1 is discharged atomising installation, it is characterized in that: ring platform in is arranged in the valve chamber, and said venting channels is the gas phase channel that connects vertically that is positioned on the ring platform; The gas-liquid channel that ring-type is stopped up circle connects vertically, and the lower surface that ring-type is stopped up circle cooperates with the upper surface of interior ring platform, opens or closes venting channels.

3. liquid according to claim 2 is discharged atomising installation, it is characterized in that: on the interior ring platform annular groove is arranged, the annular groove bottom is communicated with venting channels; Stop up the annular protrusion that the radial periphery on the lower surface of enclosing has in ring-type; Annular protrusion cooperates with annular groove on the interior ring platform, opens or closes venting channels.