Anti-blocking aerosol valve

Abstract

The utility model discloses an anti-blocking aerosol valve which comprises a sealing cup, a spraying pipe, a valve chamber and a rubber mat, the sealing cup is buckled on the upper side of the valve chamber, the rubber mat is arranged between the sealing cup and the valve chamber, the spraying pipe is arranged on the upper side of the valve chamber in a penetrating mode, a sealing seat is arranged on the spraying pipe, the upper side of the sealing seat abuts against the rubber mat, and the rubber mat is arranged on the sealing seat. A spring supported at the bottom of the sealing seat is arranged in the valve chamber, a through hole is formed in the position, on the upper side of the rubber mat, of the side wall of the spraying pipe, a circle of powder storage groove is formed in the sealing seat, and the inner circumference diameter of the powder storage groove is equal to the diameter of the spraying pipe. The powder storage tank is arranged between the spray pipe and the sealing seat, so that powder to be accumulated at the internal corner can be accumulated in the powder storage tank, the accumulated powder can be prevented from being cushioned between the sealing seat and the rubber mat, the tightness of matching of the sealing seat and the rubber mat is ensured, leakage is avoided, powder accumulation between the sealing seat and the rubber mat is also avoided, and the service life of the valve is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerosol valve technical field especially relates to a kind of anti-clogging aerosol valve. BACKGROUND

[0002] Aerosol valve can be applied to liquid spraying and powder spraying, the aerosol valve applied to liquid does not exist the condition of blockage, its gap is smaller, and the aerosol valve applied to powder spraying is easily blocked by powder, and a larger gap needs to be set. But in actual use process, powder aerosol valve still often appears the condition of blockage, and the reason is that powder also produces accumulation at the bottom of the spray pipe. The spring originally presses the sealing surface at the bottom of the spray pipe to the rubber pad, and after the powder is accumulated at the corner, the powder is placed between the sealing surface at the corner and the rubber pad, so that a gap is formed. This gap not only causes the powder to leak slightly, but also causes the powder to accumulate more at the corner, causing the spray pipe to be reset by the spring, affecting the normal use of the aerosol. SUMMARY

[0003] The utility model aims at avoiding the shortcomings of prior art, and provides an anti-clogging aerosol valve, to effectively solve the shortcomings in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model takes the technical scheme: an anti-clogging aerosol valve, comprising a cup, a spray pipe, a valve chamber, a rubber pad, the cup is buckled on the upper side of the valve chamber, the rubber pad is arranged between the cup and the valve chamber, the spray pipe is arranged on the upper side of the valve chamber, the spray pipe is provided with a sealing seat, the upper side of the sealing seat is abutted on the rubber pad, the valve chamber is provided with a spring supported at the bottom of the sealing seat, the side wall of the spray pipe is provided with a through hole above the rubber pad, the inside of the sealing seat is provided with a circumferential powder storage groove, and the inner diameter of the powder storage groove is equal to the diameter of the spray pipe.

[0005] Further, the outer periphery of the powder storage groove is provided with an inclined surface which is wide at the top and narrow at the bottom.

[0006] Further, the rubber pad is provided with a circumferential sealing groove, and the inner ring of the sealing groove is also provided with an inclined surface.

[0007] Further, the two sides of the sealing groove are provided with inclined surfaces.

[0008] Further, the diameter of the top of the sealing groove is greater than the diameter of the outer ring of the powder storage groove.

[0009] Further, the inner ring of the sealing groove is provided with corrugations.

[0010] The technical scheme has the following beneficial effects: the utility model discloses the powder accumulation of the powder accumulation in the powder accumulation groove can be avoided between the sealing seat and the rubber pad, guarantees the tightness of the sealing seat and the rubber pad cooperation, avoids the leakage, also avoids the powder accumulation between the sealing seat and the rubber pad, prolongs the service life of the valve. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the sectional schematic view of the utility model embodiment;

[0012] Figure 2 It is the sectional schematic view of the utility model embodiment;

[0013] Figure 3 It is Figure 2 The enlarged view of the middle A. DETAILED DESCRIPTION

[0014] The embodiment of the utility model is described in detail below in combination with the drawings and the embodiment. The following embodiment is used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0015] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "rear end", "front end", "head", "tail" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0016] As Figures 1-3As shown, the anti-blocking aerosol valve of the embodiment comprises a sealing cup 1, a spray pipe 2, a valve chamber 3, and a rubber pad 4. The sealing cup 1 is buckled on the upper side of the valve chamber 3, the rubber pad 4 is arranged between the sealing cup 1 and the valve chamber 3, the spray pipe 2 is arranged through the upper side of the valve chamber 3, the sealing seat 5 is arranged on the spray pipe 2, the upper side of the sealing seat 5 is abutted on the rubber pad 4, the spring 6 is arranged in the valve chamber 3 and supported on the bottom of the sealing seat 5, the side wall of the spray pipe 2 is provided with a through hole 7 above the rubber pad 4, the inside of the sealing seat 5 is provided with a circumferential powder storage groove 8, the inner diameter of the powder storage groove 8 is equal to the diameter of the spray pipe 2;

[0017] In operation, the spray pipe 2 is pressed down, the sealing seat 5 on the spray pipe 2 compresses the spring 6 until the through hole 7 on the spray pipe 2 moves into the valve chamber 3, and the powder in the valve chamber 3 is sprayed out of the spray pipe 2 through the through hole 7; the spray pipe 2 is released, the spring 6 lifts the spray pipe 2 up through the sealing seat 5, the through hole 7 moves to the upper side of the rubber pad 4, the sealing seat 5 is also abutted on the bottom of the rubber pad 4, and the powder spraying is cut off; wherein, the powder may accumulate between the spray pipe 2 and the sealing seat 5 when spraying, the powder storage groove 8 can make the powder accumulate in the powder storage groove 8, avoid the accumulated powder to be accumulated between the sealing seat 5 and the rubber pad 4, ensure the tightness of the cooperation between the sealing seat 5 and the rubber pad 4, avoid leakage, also avoid the powder to be accumulated between the sealing seat 5 and the rubber pad 4, and prolong the service life of the valve;

[0018] Preferably, the outer periphery of the powder storage groove 8 is provided with an inclined surface which is wide at the top and narrow at the bottom;

[0019] Preferably, the rubber pad 4 is provided with a circumferential sealing groove 9, and the inner circle of the sealing groove 9 is also provided with an inclined surface; the rubber pad 4 and the sealing seat 5 can be cooperated through the inclined surfaces of the sealing groove 9 and the powder storage groove 8, and the sealing effect can be improved through the spring 6, and when the outer edge of the powder storage groove 8 enters the sealing groove 9 of the rubber pad 4, the deformation of the rubber pad 4 can make the inclined surface of the sealing groove 9 scratch the inclined surface of the powder storage groove 8, so as to avoid the powder to be accumulated between the sealing groove 9 and the powder storage groove 8 to affect the tightness;

[0020] Preferably, the two sides of the sealing groove 9 are provided with inclined surfaces;

[0021] Preferably, the top diameter of the sealing groove 9 is greater than the diameter of the outer circle of the powder storage groove 8, when the powder storage groove 8 cooperates with the sealing groove 9, the top of the sealing groove 9 is higher than the upper end surface of the powder storage groove 8, if there is powder overflowing between the powder storage groove 8 and the sealing groove 9, the powder can be discharged through the upper side of the sealing groove 9, so as to avoid the powder to be accumulated in the inner side of the sealing groove 9, and preferably, the top of the sealing groove 9 is arc-shaped;

[0022] Preferably, the inner circle of the sealing groove 9 is provided with corrugations 10, when the powder storage groove 8 cooperates with the sealing groove 9, the inclined surface of the powder storage groove 8 can extrude the corrugations 10 of the inner circle of the sealing groove 9 to make the corrugations 10 deform, so as to improve the compression force of the cooperation, and thus improve the tightness.

[0023] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application, with various modifications as are suited to the particular use contemplated.

Claims

1. A kind of anti-clogging aerosol valve, including seal cup, spray pipe, valve chamber, rubber pad, the seal cup is buckled in the upper side of valve chamber, the rubber pad is arranged between seal cup and valve chamber, the spray pipe is arranged in the upper side of valve chamber, the spray pipe is provided with sealing seat, the upper side of sealing seat is resisted on rubber pad, the spring in the valve chamber is provided with support in the bottom of sealing seat, the side wall of spray pipe is provided with through hole in the upper side of rubber pad, it is characterized in that: The inside of the sealing seat is provided with a powder storage groove with an inner diameter equal to the diameter of the spray pipe.

2. A non-clogging aerosol valve according to claim 1 wherein: The outer periphery of the powder storage groove is provided with an inclined surface which is wide at the top and narrow at the bottom.

3. A non-clogging aerosol valve according to claim 2 wherein: The rubber pad is provided with a sealing groove around it, and the inner periphery of the sealing groove is also provided with an inclined surface.

4. A non-clogging aerosol valve according to claim 3 wherein: The two sides of the sealing groove are provided with inclined surfaces.

5. A non-clogging aerosol valve according to claim 3 wherein: The diameter of the top of the sealing groove is greater than the diameter of the outer periphery of the powder storage groove.

6. A non-clogging aerosol valve according to claim 3 wherein: The inner periphery of the sealing groove is provided with corrugations.

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