CN213855199U

CN213855199U - Slow-pressure seepage-proof spray valve and spray container

Info

Publication number: CN213855199U
Application number: CN202022451971.1U
Authority: CN
Inventors: 成飞; 康卫东
Original assignee: Shenzhen Sanyuan Pharmaceutical Packaging Co ltd
Current assignee: Shenzhen Sanyuan Pharmaceutical Packaging Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-03
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a prevent oozing liquid spray valve, spray container slowly, this spray valve include body, head pressing assembly and compression subassembly, the compression subassembly includes king post, first piston assembly, switches the little piston of king post lower extreme opening on-off state according to body internal pressure size, be equipped with through-hole, regulating part on the body, the through-hole is used for intercommunication body and bottle, the regulating part basis the lift distance of first piston assembly switches the on-off state of through-hole. Because the setting of little piston for when slowly pressing the shower nozzle, the king post is not enough opened to the pressure of production, consequently can not have liquid and ooze, when pressing the certain distance after the sufficient pressure of production, pressure satisfies the atomizing and requires can normally spray, when pressing the stroke and ending soon, intercommunication body and bottle are opened to the through-hole, thereby this internal liquid flows back to the bottle under the pressure effect in, can not continue to ooze from the king post, whole spraying process atomizing is good, and prevention of seepage liquid effect is obvious.

Description

Slow-pressure seepage-proof spray valve and spray container

Technical Field

The utility model relates to a cosmetics container technical field especially relates to prevent slow pressure infiltration liquid spray valve, spray container.

Background

Currently, there are many products of micro-sprayers on the market, which atomize the liquid in the container by pressing a wrench or a head cap. Chinese utility model patent document with publication number CN203845175U discloses a press type perfume spray with external spring, wherein a long spring is arranged between the inner plug and the valve rod, a short spring is arranged between the valve rod and the valve needle, and the long spring is arranged on the outer diameter of the short spring. The valve needle component realizes double-stroke pressing through the long spring and the short spring, so that the atomization effect is improved.

In actual use, however, the better effect of atomization is pressed in two passes mainly because pressure is great for liquid can the atomizing degree be high, but if the consumer presses slowly, because instantaneous pressure is less, the liquid oozes out the back atomization effect not enough, forms linear liquid and splashes, is unfavorable for consumer's use experience.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that the spray valve is easy to produce the seepage phenomenon when being slowly pressed in the prior art, the utility model provides a prevent liquid seepage spray valve, spraying container slowly.

The utility model discloses a technical scheme be, a prevent slow pressure sepage spraying valve, including body, head pressing components and compression subassembly, the compression subassembly include with head pressing components fixed connection's principal post, slip butt in the body inner wall and with the first piston assembly of principal post butt, switch the little piston of principal post lower extreme opening on-off state according to body internal pressure size, be equipped with through-hole, regulating part on the body, the through-hole is used for intercommunication body and bottle, the regulating part basis first piston assembly's lift distance switches the on-off state of through-hole.

Preferably, the first piston assembly includes a first piston and a first return spring, and the first piston slidably abuts against the inner wall of the body and covers the through hole.

Preferably, the adjusting piece is located below the through hole and matched with the first piston, and when the first piston moves to the bottom of the body, the adjusting piece adjusts the through hole to be in an open state.

Preferably, the upper end and the lower end of the first piston are in sliding butt joint with the body, and the middle part of the outer wall of the first piston is recessed and forms a gap with the inner wall of the body.

Preferably, the adjusting piece is a vertically arranged convex block, and the top end of the convex block is arranged on an inclined plane or an arc surface which is naturally transited with the inner wall of the body.

Preferably, the compression assembly further comprises a spring support, the upper end of the spring support is fixedly connected with the bottom of the first piston in an inserting mode, one end of the first reset spring abuts against the lower end of the body, and the other end of the first reset spring abuts against the outer wall of the spring support.

Preferably, the small piston is connected with the inner wall of the spring support in a sliding mode.

Preferably, the small piston comprises a small piston and a second return spring arranged in the spring support and abutted to the bottom of the small piston, and the elastic coefficient of the second return spring is greater than that of the first return spring.

Preferably, the end of the small piston abuts against the lower opening of the main column, and the small piston is in line contact with the main column.

The utility model also provides a spray container, it includes as before the prevention ooze liquid spray valve slowly.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. due to the fact that the small piston is arranged, a preset pressure value can be provided for the lower end of the main column, and seepage cannot be generated due to insufficient pressure during initial pressing;

2. the opening and closing of the through hole are related to the first piston, so that the through hole can be automatically in an opening state when the first piston moves to the bottom of the body, the pressure between the inside of the body and the bottle body is balanced in time, the liquid in the body is guided into the bottle body under the action of the pressure, and the continuous seepage is prevented;

3. the pressure is reduced after the pressing is finished, and the bottom end of the main column can be plugged in time and the liquid supply channel is cut off due to the elastic force of the small piston, so that the phenomenon of liquid seepage caused by incomplete liquid atomization due to insufficient residual pressure is reduced after the pressing is finished;

4. because the small piston is in linear contact with the bottom end of the main column, the contact area is small, the on-off is timely, and the control effect can be well realized.

Drawings

The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:

FIG. 1 is a schematic view showing the construction of an aerosol valve according to the present embodiment;

FIG. 2 is an enlarged schematic view at A of FIG. 1;

fig. 3 is a schematic view of the entire structure of the present embodiment.

1. A head cap; 2. a nozzle; 3. a spray head; 4. a main column; 5. a bayonet; 6. a collar piece; 7. a through hole; 8. a gasket; 9. a first piston; 10. a spring support; 11. a small piston; 12. a second return spring; 13. a first return spring; 14. a one-way valve; 15. a body; 16. a straw; 17. a bottle body; 18. an adjustment member; 19. a void.

Detailed Description

The utility model provides an prevent slow pressure sepage spray valve, includes body 15, head and presses down subassembly and compression subassembly, the compression subassembly include with the head press down subassembly fixed connection the principal post 4, slide the butt in the 15 inner walls of body and with the first piston assembly of 4 butts of principal post, 4 cavity and both ends of principal post are the opening, its upper end and head press down the subassembly intercommunication, the lower extreme is equipped with according to 15 internal pressure sizes of body and switches the little piston 11 of 4 lower extreme openings of principal post opening and close states. Wherein the head press assembly includes the shower nozzle 3 with 4 upper ends of principal post intercommunication, and nozzle 2 is then installed to one side of shower nozzle 3, and shower nozzle 3 and the outside cover of nozzle 2 are equipped with head cap 1 simultaneously, and the three forms a complete structure under head cap 1's limiting action.

Required pressure size when 4 lower extreme openings of principal post are opened to little piston 11, can set for according to the required concrete pressure value of liquid atomization, only when pressure value more than or equal to this pressure value like this, principal post 4 just can open, liquid just can the water conservancy diversion come out and all atomization blowout, in case the pressure value is less than this value, little piston 11 is with 4 lower extreme openings shutoff of principal post promptly, liquid can not continue to derive the outflow, thereby reduced the phenomenon that liquid oozes and stays at 3 surfaces of shower nozzle after the atomizing is ended, pressure is less when also can not because the initial pressure is pressed, or comparatively slowly and lead to liquid outflow and the incomplete phenomenon of atomizing, user's use experience has been fully ensured.

Specifically, a spring support 10 with an opening at the upper end is arranged in the body 15, the small piston 11 is slidably connected in the spring support 10, a second return spring 12 for driving the small piston 11 to move outwards is arranged at the bottom of the spring support 10, the second return spring 12 is mounted at the bottom of the spring support 10 and is used for providing a supporting acting force for supporting the small piston 11 on the opening at the lower end of the main column 4, and only when the pressure in the body 15 is greater than the supporting acting force, the small piston 11 can be separated from the opening at the lower end of the main column 4, so that only the second return spring 12 with a proper elastic coefficient needs to be arranged, different pre-tightening forces can be changed, and therefore, a channel which can be completely atomized when liquid is sprayed and can cut off flow guide in time when the pressure is insufficient is ensured.

Wherein, little piston 11 upper end is hemispherical setting and plug in the lower opening of main post 4 to form the encapsulated situation of line connection between little piston 11 and the main post 4, no matter open or seal main post 4, it is comparatively sensitive, make open and the closed action time shorten greatly, thereby the pressure output channel of valve body spraying can be rapid open when pressing shower nozzle 3, pressure output channel is cut off rapidly when the outside is exerted pressure and is ended, can not lead to not being remain on the surface of spraying valve by atomizing liquid because the pressure value does not reach the atomizing requirement. And because the upper end of the small piston 11 is of a small taper structure, the area of the lower end of the small piston is larger, and the pressure is larger, the bottom end of the small piston is easy to receive the pressure in the body, so that the small piston is pressed down to open the bottom end of the main column.

The first piston assembly comprises a first piston 9 arranged on the inner wall of the body 15 in a sliding sealing manner, and a first return spring 13 arranged at the bottom of the first piston 9 and used for driving the first piston 9 to move upwards. First reset spring 13 and second reset spring 12 are compression spring, and the elastic coefficient of second reset spring 12 is greater than first reset spring 13, and when external pressure pressed the column 4 downstream promptly, column 4 must drive the compression of second compression piece earlier, thereby the inside cavity of main part is compressed and is produced certain pressure this moment, when this pressure was greater than the preaction of first reset spring 13, just can be with little piston 11 and column 4 lower extreme opening separation.

Preferably, the spring support 10 is in insertion fit with the first piston 9, and the bottom end of the first return spring 13 is fixedly abutted in the body 15, and the top end is abutted on the outer side wall of the spring support 10. Therefore, the upper end of the spring support 10 is in inserting fit with the first piston 9, the first return spring 13 abuts against the spring support 10 on the first piston 9, and the small piston 11 and the second return spring 12 are both arranged inside the spring support 10, so that when the first piston 9 moves up and down, the spring support 10 and the small piston 11 can also move synchronously, that is, before the small piston 11 is separated from the main column 4, the small piston 11 and the main column are completely synchronously moved.

In order to further overcome the problem that linear liquid spraying is easy to generate when the first piston assembly is slowly pressed, the body is provided with a through hole 7 and an adjusting piece 18, the through hole is used for communicating the body and the bottle body, and the adjusting piece switches the opening and closing state of the through hole according to the lifting distance of the first piston assembly.

Specifically, the first piston is in sliding abutting connection with the inner wall of the body and covers the through hole, namely the through hole is horizontally formed, the adjusting piece is located below the through hole and matched with the first piston, and when the first piston moves to the bottom of the body, the through hole 7 is adjusted to be in an open state by the adjusting piece.

The upper end and the lower end of the first piston are both in sliding butt joint with the body, the middle part of the outer wall of the first piston is concave and forms a gap 19 with the inner wall of the body, the adjusting piece 18 is a vertically arranged lug, and the top end of the lug is arranged in an inclined plane or a cambered surface which is naturally transited with the inner wall of the body, so when the first piston moves to the bottom of the body, as the end part of the lug is the inclined plane, a gap is generated between the bottom end of the first piston and the inner wall of the body, and the through hole is communicated with the bottle body through the gap, at the moment, as a certain pressure exists in the body, the liquid remaining in the body can flow back to the bottle body from the through hole and can not continuously seep outwards along the main column, the phenomenon of liquid seepage can not be generated before and after the pressing is finished, and through the arrangement, the whole liquid spraying process only occurs under the condition that the pressure is enough to completely atomize the liquid, and good atomization effect and user experience are ensured.

The lower extreme of body 15 is provided with straw 16, body 15 lower extreme still is equipped with the check valve 14 that is used for switching straw 16 to close or open the state, sets up check valve 14 and can let inside the outside liquid entering valve body of spraying valve to outwards take out and by the atomizing blowout along principal post 4, but also can not let the inside liquid direct flow of valve body outside simultaneously, can ensure to form stable pressure when pressing in the valve body inside. For check valve 14 installation simple and convenient, can set the lower extreme of body 15 into the hourglass shape of necking down, check valve 14 then is for placing the spheroid in funnel mouth department, can carry out certain spacing to the spheroid certainly, ensures that it can be when not receiving the exogenic action shutoff in funnel mouth department.

Further, the upper end of the body 15 is provided with a fixedly connected collar piece 6, the main column 4 penetrates through a hole in the middle of the collar piece 6 to be inserted into the body 15, the collar piece 6 and the main column 4 are in clearance fit and form a sliding seal, a boss is further arranged at one end of the main column 4 inserted into the body 15, and the boss is used for being abutted to the inner wall of the collar piece 6, so that the collar piece 6 can play a certain limiting effect on the main column 4. Meanwhile, the collar piece 6 is fixedly connected with a bayonet 5, the bayonet 5 extends downwards and forms a gap for clamping and fixing the installation main body with the outer side wall of the body 15, and when the spray valve needs to be installed on a specific installation main body such as a bottle body 17, the gap can be matched with the bottle body 17.

Of course, in order to make the installation more stable, a gasket 8 is provided between the collar 6 and the installation body, such as the bottle body 17, which is advantageous for improving the overall sealing performance.

In addition, as shown in fig. 1, the present embodiment also discloses an aerosol container, which includes a bottle body 17 and a slow-pressure seepage prevention aerosol valve installed on the bottle body 17, and the aerosol valve is as described above.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The slow-pressure-prevention liquid seepage spray valve comprises a body, a head pressing assembly and a compression assembly, wherein the compression assembly comprises a main column fixedly connected with the head pressing assembly, a first piston assembly which is in sliding butt joint with the inner wall of the body and in butt joint with the main column, and a small piston which switches the opening and closing state of the lower end opening of the main column according to the pressure in the body.

2. The slow-pressure seepage prevention spray valve as claimed in claim 1, wherein the first piston assembly comprises a first piston and a first return spring, and the first piston is in sliding abutment with the inner wall of the body and covers the through hole.

3. The slow-pressure leakage prevention aerosol valve as claimed in claim 2, wherein the adjusting member is located below the through hole and engaged with the first piston, and adjusts the through hole to an open state when the first piston moves to a bottom of the body.

4. The slow-pressure seepage prevention spray valve as claimed in claim 2, wherein the upper end and the lower end of the first piston are in sliding abutting joint with the body, and the middle part of the outer wall of the first piston is concave and forms a gap with the inner wall of the body.

5. The slow-pressure seepage prevention spray valve as claimed in claim 4, wherein the adjusting piece is a vertically arranged convex block, and the top end of the convex block is arranged in a slope or a cambered surface naturally transiting with the inner wall of the body.

6. The slow-pressure seepage prevention spray valve as claimed in claim 2, wherein the compression assembly further comprises a spring support, the upper end of the spring support is fixedly inserted into the bottom of the first piston, one end of the first return spring abuts against the lower end of the body, and the other end of the first return spring abuts against the outer wall of the spring support.

7. The slow-pressure leakage prevention aerosol valve as claimed in claim 6, wherein the small piston is slidably connected to the inner wall of the spring support.

8. The slow-pressure seepage prevention spray valve as claimed in claim 7, wherein the small piston comprises a small piston and a second return spring which is arranged in the spring support and abuts against the bottom of the small piston, and the elastic coefficient of the second return spring is larger than that of the first return spring.

9. The slow-pressure seepage prevention aerosol valve as claimed in claim 7, wherein the end of the small piston abuts against the lower end opening of the main column, and the small piston is in line contact with the main column.

10. An aerosol container comprising a slow-seeping prevention aerosol valve as claimed in any one of claims 1 to 9.