Novel pressure relief structure of aerosol can

Abstract

The utility model discloses a novel pressure relief structure of an aerosol can. The novel pressure relief structure comprises an aerosol can body, a tank body bottom plate is arranged at the bottom of the aerial fog tank body, a connecting ring is connected between the tank body bottom plate and the aerial fog tank body in a pressing mode, a tank body top cover is fixedly installed on the top of the aerial fog tank body, a spray head is arranged on the tank body top cover, an anti-explosion piece is arranged on the tank body bottom plate, a protection device is arranged on the outer side of the aerial fog tank body, and an anti-skid sleeve is fixedly installed on the outer side of the aerial fog tank body; according to the anti-explosion aerosol can, the anti-explosion piece is arranged at the bottom of the bottom plate of the can body, the circle of anti-explosion nick is arranged on the periphery of the anti-explosion piece, the thickness of the connecting position of the anti-explosion nick is smaller than the wall thickness of the other portions, when the pressure in the aerosol can is increased and the air pressure exceeds a certain range, the connecting position provided with the anti-explosion nick is broken firstly, the anti-explosion piece is bounced off, and the anti-explosion effect is achieved. After the explosion-proof piece is bounced off, a through hole is large, so that the explosion-proof piece can quickly release the pressure, and the possibility that the aerosol can body bursts when subjected to violent air pressure change is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerosol can technical field, concretely is a kind of aerosol can new pressure-relief structure. BACKGROUND

[0002] Aerosol can is a kind of metal container, for containing and distributing aerosol product, it has the characteristics such as sealing, pressure control, portability, easy to use etc..This container can keep internal product isolated from external environment, prevent pollution and leakage, built-in propellant provides uniform pressure for product, ensure the consistency and effect of spray.Aerosol can is light and easy to carry, suitable for various outdoor and travel purposes, user only needs to press valve, product can be quickly and conveniently used.They are widely used in personal care, household cleaning, medical and industrial fields, including cosmetic spray bottle, perfume spray can, antiperspirant, hair gel, air freshener, insecticide, detergent, paint aerosol, asthma inhaler, lubricant etc..

[0003] The gas pressure in aerosol can is relatively high, collision, heat and external pressure change can all lead to aerosol can burst, most common aerosol can has no pressure-relief structure, the aerosol can with pressure-relief structure on market has a plurality of horizontal notches, the wall thickness at notch is relatively thin, when the gas pressure in pipe is relatively large, the notch breaks first, gas will be released from the notch, but the release diameter is relatively small, if the can body is quickly impacted, etc. to cause strong pressure change in a short time, the linear release port cannot release pressure quickly, still can lead to can body burst, therefore, a kind of aerosol can new pressure-relief structure is needed to meet people's needs. SUMMARY

[0004] The utility model aims at providing a kind of aerosol can new pressure-relief structure, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of aerosol can new pressure-relief structure, including aerosol can body;The bottom of the aerosol can body is provided with can body bottom plate, and the can body bottom plate and aerosol can body are connected between crimping connection ring, the top of the aerosol can body is fixedly installed with can body top cover, the can body top cover is provided with spray head, the can body bottom plate is provided with explosion-proof sheet, the outside of the aerosol can body is equipped with protection device, the outside of the aerosol can body is fixedly installed with anti-skid sleeve.

[0006] Preferably, the can body bottom plate and explosion-proof sheet are fixedly installed with connecting portion, and the connecting portion is provided with explosion-proof notch.

[0007] Preferably, the wall thickness of the connecting portion is less than the wall thickness of the can body bottom plate.

[0008] Preferably, an arc-shaped area is arranged below the tank bottom plate, and a height of the arc-shaped area is greater than a diameter of the explosion-proof sheet.

[0009] Preferably, the protection device comprises a protection sleeve, the protection sleeve is slidingly arranged on the aerosol can body, and a pressure relief hole is arranged at a bottom of the protection sleeve.

[0010] Preferably, a fastening groove is arranged outside the protection sleeve, and a fastening sheet is arranged on the fastening groove.

[0011] Preferably, a fastening bolt is arranged on the fastening sheet, and a fastening nut is threadedly arranged on the fastening bolt.

[0012] Compared with the prior art, the aerosol can new pressure relief structure has the following beneficial effects:

[0013] (1) According to the aerosol can new pressure relief structure, the explosion-proof sheet is arranged at the bottom of the tank bottom plate, a circle of explosion-proof marks is arranged around the explosion-proof sheet, the thickness of the connection part at the explosion-proof mark is less than the thickness of the remaining part, when the pressure in the aerosol can increases, the connection part provided with the explosion-proof mark is broken first when the pressure exceeds a certain range, the explosion-proof sheet is bounced away, the gas can be discharged from the explosion-proof sheet, the through hole formed after the explosion-proof sheet is bounced away is large, so that the pressure can be quickly discharged, and the possibility of explosion of the aerosol can body caused by the sharp change of the pressure is reduced.

[0014] (2) According to the aerosol can new pressure relief structure, the protection sleeve is sleeved on the bottom of the aerosol can body, and the protection sleeve is fastened on the bottle body by the cooperation of the fastening bolt and the fastening nut, when the tank bottom plate is broken and discharged, the gas passes through the pressure relief hole, if the pressure is too large to cause the explosion-proof sheet to be completely separated, the protection sleeve can intercept the explosion-proof sheet to prevent the explosion-proof sheet from splashing, and the safety during pressure relief is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the aerosol can new pressure relief structure;

[0016] Figure 2 It is a structure schematic view of the tank bottom plate and the arc-shaped area of the aerosol can new pressure relief structure;

[0017] Figure 3 It is Figure 2 It is an enlarged structure schematic view of part A;

[0018] Figure 4 It is a structure schematic view of the explosion-proof sheet and the connecting ring of the aerosol can new pressure relief structure;

[0019] Figure 5 It is a structure schematic view of the protection sleeve and the pressure relief hole of the aerosol can new pressure relief structure;

[0020] Figure 6 The utility model provides a kind of tank bottom plate and the structure diagram of the structure such as explosion-proof sheet of novel pressure relief structure of aerosol can.

[0021] In the drawing: 1, aerosol can body;2, protective device;3, tank bottom plate;4, explosion-proof sheet;5, explosion-proof notch;6, connecting place;7, arc region;8, connecting ring;9, tank top cover;10, spray head;11, anti-skid sleeve;20, protective sleeve;21, pressure relief hole;22, fastening groove;23, fastening sheet;24, fastening bolt;25, fastening nut. DETAILED DESCRIPTION

[0022] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0023] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be broadly understood, 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, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in the following combined with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0025] Embodiment 1: please refer to Figures 1-6The utility model provides a technical scheme: a new pressure relief structure of aerosol can, including aerosol can body 1, in order to make aerosol can can quick pressure relief and increase security when pressure relief, the bottom of aerosol can body 1 is provided with tank bottom plate 3, and the pressure joint connection ring 8 between tank bottom plate 3 and aerosol can body 1, the top fixed mounting of aerosol can body 1 has tank top cover 9, and tank top cover 9 is provided with spray head 10, and tank bottom plate 3 is provided with explosion -proof sheet 4, and the outside of aerosol can body 1 is equipped with protection device 2, and the outside fixed mounting of aerosol can body 1 has antiskid sleeve 11, and the pressure relief is carried out through explosion -proof sheet 4, and the explosion -proof sheet 4 that flies out when pressure relief is intercepted through protection device 2.

[0026] In order to realize the function of quick pressure relief, the connecting portion 6 is fixedly installed between the tank bottom plate 3 and the explosion -proof sheet 4, the connecting portion 6 is provided with explosion -proof marks 5, the wall thickness of the connecting portion 6 is less than the wall thickness of the tank bottom plate 3, the arc region 7 is arranged below the tank bottom plate 3, the height of the arc region 7 is greater than the diameter of the explosion -proof sheet 4, the explosion -proof sheet 4 is arranged on the bottom of the tank bottom plate 3, a ring of explosion -proof marks 5 is arranged on the periphery of the explosion -proof sheet 4, the thickness of the connecting portion 6 at the explosion -proof marks 5 is less than the wall thickness of the remaining portions, when the internal pressure of the aerosol can increases, when the air pressure exceeds a certain range, the connecting portion 6 provided with the explosion -proof marks 5 is first broken due to the thinness of the explosion -proof marks 5, the explosion -proof sheet 4 is bounced away, and the gas can be discharged from the explosion -proof sheet 4, the through hole generated after the explosion -proof sheet 4 is bounced away is large, so that the pressure relief can be quickly carried out, and the possibility of explosion of the aerosol can body 1 caused by the severe change of air pressure is reduced.

[0027] Example 2: as Figures 1-2 and Figure 5 In order to realize the function of intercepting the explosion -proof sheet 4, the protection device 2 includes a protective sleeve 20, the protective sleeve 20 is slidingly installed on the aerosol can body 1, the bottom of the protective sleeve 20 is provided with a pressure relief hole 21, the outer side of the protective sleeve 20 is provided with a fastening groove 22, a fastening sheet 23 is installed on the fastening groove 22, a fastening bolt 24 is installed on the fastening sheet 23, a fastening nut 25 is threadedly installed on the fastening bolt 24, in order to increase the safety during pressure relief, the protective sleeve 20 is sleeved on the bottom of the aerosol can body 1, the fastening nut 25 is passed through the fastening sheet 23, and the fastening bolt 24 is sleeved on the other end of the fastening nut 25 and is tightened, at this time, the protective sleeve 20 can be fastened on the bottle, when the tank bottom plate 3 explodes and pressure relief, the gas passes through the pressure relief hole 21, if the explosion -proof sheet 4 is completely separated due to excessive pressure during pressure relief, the protective sleeve 20 can intercept the explosion -proof sheet 4, prevent it from splashing, increase the safety during pressure relief, and the remaining features are the same as those of example 1.

[0028] The working principle is that: by setting the explosion-proof sheet 4 at the bottom of the tank bottom plate 3, the explosion-proof sheet 4 is provided with a circle of explosion-proof marks 5, the thickness of the connecting part 6 at the explosion-proof marks 5 is thinner than the wall thickness of the remaining parts, when the internal pressure of the aerosol can increases, when the air pressure exceeds a certain range, because the explosion-proof marks 5 are thinner, the connecting part 6 provided with the explosion-proof marks 5 is broken first, the explosion-proof sheet 4 will be bounced off, and the gas can be discharged from the explosion-proof sheet 4, the through hole produced after the explosion-proof sheet 4 is bounced off is larger, so that it can quickly discharge, reduce the possibility of explosion of the aerosol can body 1 when the air pressure changes sharply, in order to increase the safety during pressure relief, the protective sleeve 20 is sleeved at the bottom of the aerosol can body 1, the fastening nut 25 is passed through the fastening sheet 23, and the fastening bolt 24 is sleeved at the other end of the fastening nut 25 and is tightened, at this time, the protective sleeve 20 can be fastened on the bottle, when the tank bottom plate 3 explodes and discharges, the gas passes through the pressure relief hole 21, if the pressure is too large when discharging, the explosion-proof sheet 4 is completely separated, the protective sleeve 20 can intercept the explosion-proof sheet 4, prevent it from splashing, and increase the safety during pressure relief.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of pressure relief structure of an aerosol can, comprising an aerosol can body (1); characterized in that: The aerosol can body (1) is provided with a can bottom plate (3) on the bottom, the can bottom plate (3) and the aerosol can body (1) are connected by crimping connection ring (8), the aerosol can body (1) is fixedly installed with a can top cover (9) on the top, the can top cover (9) is provided with a spray head (10), the can bottom plate (3) is provided with a rupture disc (4), the aerosol can body (1) is provided with a protective device (2) on the outside, the aerosol can body (1) is fixedly installed with an anti-skid sleeve (11) on the outside.

2. A new pressure relief structure for an aerosol can according to claim 1, characterized in that: The can bottom plate (3) and the rupture disc (4) are fixedly installed with a connecting part (6), the connecting part (6) is provided with a rupture mark (5).

3. A new pressure relief structure for an aerosol can according to claim 2, characterized in that: The wall thickness of the connecting part (6) is less than that of the can bottom plate (3).

4. The new pressure relief structure of an aerosol can according to claim 1, wherein: The can bottom plate (3) is provided with an arc-shaped area (7) below, the height of the arc-shaped area (7) is greater than the diameter of the rupture disc (4).

5. The new pressure relief structure for an aerosol container according to claim 1, wherein: The protective device (2) comprises a protective sleeve (20), the protective sleeve (20) is slidingly installed on the aerosol can body (1), the protective sleeve (20) is provided with a pressure relief hole (21) at the bottom.

6. A new pressure relief structure for an aerosol can according to claim 5, wherein: The protective sleeve (20) is provided with a fastening groove (22) on the outside, the fastening groove (22) is installed with a fastening sheet (23).

7. A new pressure relief structure for an aerosol can according to claim 6, wherein: The fastening sheet (23) is installed with a fastening bolt (24), the fastening bolt (24) is threadedly installed with a fastening nut (25).

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