New type of high-pressure spray can

Abstract

This utility model belongs to the field of high-pressure spray can technology, and in particular, it is a novel high-pressure spray can. Addressing the safety or cost issues of existing high-pressure spray cans in practical use, the following solution is proposed: It includes a hollow tank body with an opening at the top; an inner liner made of soft material, used to fill liquid, with a accommodating space between the tank body and the inner liner for filling high-pressure gas; a hollow joint at the top of the inner liner; a connector fixedly installed within the joint, with a channel inside; a conduit installed inside the inner liner, one end of which is fixedly connected to the connector; and a pressure relief valve assembly located at the top of the tank body, situated at the top of both the opening and the connector. This utility model can effectively improve safety and reduce production costs in practical use.

Description

Technical Field

[0001] This application relates to the field of high-pressure spray can technology, and in particular to a novel high-pressure spray can. Background Technology

[0002] High-pressure spray canisters have a wide range of applications, such as fire extinguishers. Most high-pressure spray canisters have an inner liner inside the canister body, which contains liquid. High-pressure gas is filled between the canister body and the inner liner. A pressure relief assembly is installed at the top of the inner liner, and a nozzle is installed at the top of the canister body for connecting to the pressure relief assembly. By pressing the nozzle, the liquid is connected to the external atmospheric pressure, causing a pressure imbalance between the high-pressure gas and the liquid inside the canister. This causes the liquid to be squeezed by the high-pressure gas and sprayed out through the nozzle.

[0003] In existing technologies, after the high-pressure spray can is used, the liquid level inside the tank will drop. Therefore, in order to avoid liquid waste, high-pressure gas with sufficient pressure is usually required to squeeze out the remaining liquid during the next use. This results in the need for high-pressure gas with relatively high pressure. However, if the tank is filled with high-pressure gas with sufficient pressure to meet the safety factor of the high-pressure spray can and prevent it from bursting, the explosion-proof factor of each component needs to be increased, such as the tank thickness and the safety factor of the pressure relief valve. This leads to problems such as increased production costs or safety issues. To address these issues, we propose a new type of high-pressure spray can. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing high-pressure spray cans, which still have safety or high cost issues in actual use, and to propose a new type of high-pressure spray can.

[0005] The novel high-pressure spray tank provided in this application adopts the following technical solution:

[0006] The new high-pressure spray can includes:

[0007] The tank body is hollow, and an opening is provided at the top of the tank body;

[0008] The inner liner is made of soft material and is used to fill liquid. There is a space between the tank body and the inner liner for filling high-pressure gas. The top of the inner liner is connected to a joint, which is hollow.

[0009] A connector is fixedly installed inside the joint, and a channel is provided inside the connector.

[0010] The tubing is installed inside the inner liner, with one end of the tubing fixedly connected to the connector.

[0011] The pressure relief valve assembly is located at the top of the tank and at the top of the opening and connection. The pressure relief valve assembly is used to balance the pressure difference between the inside and outside of the tank.

[0012] The nozzle is fixedly installed on the top of the tank. The nozzle has a connecting part for connecting the pressure relief valve assembly. The nozzle is connected to the outside of the nozzle and the nozzle has a spray channel. The inside of the connecting part and the inside of the spray channel are interconnected. The spray channel has a nozzle opening in the direction away from the connecting part. The spray channel gradually expands from the diameter of the connecting part towards the nozzle opening.

[0013] Furthermore, the bottom of the connector is connected to a fitting section, and a positioning ring is provided at the bottom end of the fitting section. A groove is provided in the conduit relative to the positioning ring. The positioning ring and the groove are used to connect the fitting section and the conduit.

[0014] Furthermore, the conduit is located at one end of the sleeve section and extends to a position equal to or less than half the length of the inner liner.

[0015] Furthermore, the channel has a first inner diameter and a second inner diameter, the first inner diameter being larger than the second inner diameter. The difference in diameter between the first and second inner diameters forms a baffle. The pressure relief valve assembly includes an outer cover, a slider, and an elastic body. The slider and the elastic body are sequentially arranged in the first inner diameter. One end of the elastic body contacts the baffle. The outer cover is installed in the opening and has a through hole for connecting the connector. The slider is located at the other end of the elastic body and contacts the outer cover. The elastic body is a spring.

[0016] Furthermore, the outer cover and the opening are provided with the same first washer, and the outer cover and the connector are provided with a second washer. The slider is spaced apart from the second washer and is used to elastically press the inner side of the outer cover.

[0017] Furthermore, the nozzle is fixedly installed on the top of the outer cover, the joint is set in the through hole, one end of the joint is connected to the slider, and a spray structure is provided in the spray channel.

[0018] Furthermore, the spray structure protrudes radially and is provided with multiple ridges, each ridge having an angle at both ends, so that the multiple ridges form an oblique radial shape.

[0019] Furthermore, the spray structure has a cone-shaped polygonal hole, which is a hexagonal hole with multiple angled lines inside.

[0020] Furthermore, the spray structure comprises multiple helical protrusions.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. This solution involves pressing the top of the nozzle, which in turn activates the slider and elastic body in the pressure relief valve assembly via the nozzle's connection. This allows outside atmospheric air to connect with the channel in the connector through the nozzle's connection, thereby creating a pressure imbalance between the liquid inside the inner liner and the high-pressure gas inside the tank.

[0023] 2. In this solution, high-pressure gas will squeeze the liquid with lower pressure inside the inner tank, and the liquid will be ejected sequentially through the channel of the connector, the inside of the nozzle joint, and the nozzle of the spray pipe. The nozzle of the spray pipe forms a gradually expanding shape, which can provide a larger area of ​​spray.

[0024] This invention can effectively improve safety and reduce production costs in practical use. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the novel high-pressure spray can proposed in this utility model;

[0026] Figure 2 This is an exploded view of the structure of the novel high-pressure spray tank proposed in this utility model;

[0027] Figure 3 This is a cross-sectional structural diagram of the tank body of the novel high-pressure spray tank proposed in this utility model;

[0028] Figure 4 This is a cross-sectional view of the tank body of the novel high-pressure spray tank proposed in this utility model.

[0029] Figure 5 This is a three-dimensional structural diagram of the nozzle of the novel high-pressure spray can in Embodiment 1 of this utility model;

[0030] Figure 6 This is a cross-sectional structural schematic diagram of the nozzle of the novel high-pressure spray can in the first embodiment of this utility model;

[0031] Figure 7 This is a three-dimensional structural diagram of the nozzle of the novel high-pressure spray can in Embodiment 2 of this utility model;

[0032] Figure 8 This is a cross-sectional structural diagram of the nozzle of the novel high-pressure spray can in Embodiment 2 of this utility model;

[0033] Figure 9 This is a three-dimensional structural diagram of the nozzle of the novel high-pressure spray can in Embodiment 3 of this utility model;

[0034] Figure 10 This is a cross-sectional structural diagram of the nozzle of the novel high-pressure spray can in Embodiment 3 of this utility model.

[0035] Reference numerals: 10, tank body; 11, opening; 12, accommodating space; 20, inner liner; 200, joint; 21, connector; 210, fitting section; 211, positioning ring; 22, channel; 220, first inner pipe diameter; 221, second inner pipe diameter; 222, baffle; 30, guide tube; 300, groove; 40, pressure relief valve assembly; 41, outer cover; 410, through hole; 42, slider; 43, elastomer; 44, first washer; 45, second washer; 50, nozzle; 51, joint; 52, nozzle section; 520, spray channel; 521, nozzle; 521A, convex strip; 521B, included angle line; 521C, spiral convex body. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0037] Example 1

[0038] Reference Figures 1-6 A new type of high-pressure spray can, including:

[0039] The tank body 10 is hollow, and an opening 11 is provided on the top of the tank body 10;

[0040] The inner liner 20 is made of soft material and is used to fill liquid inside. A accommodating space 12 is formed between the tank body 10 and the inner liner 20. The accommodating space 12 is used to fill high-pressure gas. The top of the inner liner 20 is connected to a joint 200, which is hollow.

[0041] Connector 21 is fixedly installed in the joint 200, and a channel 22 is provided in the connector 21;

[0042] The conduit 30 is installed inside the inner liner 20, and one end of the conduit 30 is fixedly connected to the connector 21.

[0043] The pressure relief valve assembly 40 is located at the top of the tank 10 and at the top of the opening 11 and the connector 21. The pressure relief valve assembly 40 is used to balance the pressure difference inside and outside the tank 10.

[0044] The nozzle 50 is fixedly installed on the top of the tank body 10. The nozzle 50 is provided with a connecting part 51 for connecting with the pressure relief valve assembly 40. The nozzle 50 is connected to a spray pipe part 52 on the outside, and a spray channel 520 is opened in the spray pipe part 52. The interior of the connecting part 51 and the interior of the spray channel 520 are interconnected. The spray channel 520 has a nozzle 521 in the direction away from the connecting part 51. The diameter of the spray channel 520 gradually expands from the connecting part 51 towards the nozzle 521.

[0045] In this embodiment, the bottom of the connector 21 is connected to the fitting section 210, and the bottom end of the fitting section 210 is provided with a positioning ring 211. The conduit 30 is provided with a groove 300 relative to the positioning ring 211. The positioning ring 211 and the groove 300 are used to connect the fitting section 210 and the conduit 30. The conduit 30 is located at one end of the fitting section 210 and extends to at least half the length of the inner liner 20.

[0046] In this embodiment, a first inner diameter 220 and a second inner diameter 221 are provided in the channel 22. The first inner diameter 220 is larger than the second inner diameter 221. The difference in diameter between the first inner diameter 220 and the second inner diameter 221 forms a baffle 222. The pressure relief valve assembly 40 includes an outer cover 41, a slider 42, and an elastic body 43. The slider 42 and the elastic body 43 are sequentially arranged in the first inner diameter 220. One end of the elastic body 43 contacts the baffle 222. The outer cover 41 is installed in the opening 11. A through hole 410 is provided on the outer cover 41. The through hole 410 is used to connect the connector 21. The slider 42 is located at the other end of the elastic body 43 and contacts the outer cover 41. The elastic body 43 is a spring. The outer cover 41 and the opening 11 are provided with the same first washer 44. A second washer 45 is provided between the outer cover 41 and the connector 21. The slider 42 is spaced apart from the second washer 45 and is used to elastically press the inner side of the outer cover 41.

[0047] In this embodiment, the nozzle 50 is fixedly installed on the top of the outer cover 41, the joint 51 is disposed in the through hole 410, one end of the joint 51 is connected to the slider 42, and a spray structure is provided in the spray channel 520. The spray structure is radially protruding and has multiple convex strips 521A. The multiple convex strips 521A are respectively angled at both ends to form an oblique radial shape. Through the guiding arrangement of the multiple convex strips 521A, the spray efficiency can be improved, such as the spray intensity and distance.

[0048] The implementation principle of the novel high-pressure spray can in this application embodiment is as follows: When in use, the user presses the top of the nozzle 50, which in turn activates the slider 42 and elastic body 43 in the pressure relief valve assembly 40 through the joint 51 of the nozzle 50. This allows the outside atmospheric air to communicate with the channel 22 in the connector 21 through the joint 51 of the nozzle 50, thereby creating a pressure imbalance between the liquid in the inner liner 20 and the high-pressure gas in the tank 10. As a result, the high-pressure gas will squeeze the liquid in the inner liner 20, which has a lower pressure, and spray the liquid sequentially through the channel 22 of the connector 21, the inside of the joint 51 of the nozzle 50, and the spray pipe 520. The nozzle 521 of the spray pipe 520 forms a gradually expanding shape, which can provide a larger area of ​​spray.

[0049] Example 2

[0050] The difference between this embodiment and Embodiment 1 is that: (Refer to...) Figure 7 and Figure 8 The spray structure has a cone-shaped polygonal hole, which is a hexagonal hole. The two ends of the included angle line 521B between the polygonal holes form an angle, which can further improve the spray efficiency.

[0051] Example 3

[0052] The difference between this embodiment and Embodiment 1 is that: (Refer to...) Figure 9 and Figure 10 The spray structure consists of multiple spiral protrusions 521C. Guided by the spiral protrusions 521C, the liquid is sprayed out in a vortex, further improving the spray efficiency.

[0053] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A novel high-pressure spray can, characterized in that: include: The tank (10) is hollow and has an opening (11) at the top. The inner liner (20) is made of soft material and is used to fill liquid inside. A accommodating space (12) is formed between the tank body (10) and the inner liner (20). The accommodating space (12) is used to fill high-pressure gas. A joint (200) is connected to the top of the inner liner (20). The joint (200) is hollow. A connector (21) is fixedly installed in the joint (200), and a channel (22) is provided in the connector (21); The conduit (30) is installed inside the inner liner (20), and one end of the conduit (30) is fixedly connected to the connector (21); Pressure relief valve assembly (40) is located at the top of the tank (10) and at the top of the opening (11) and the connector (21). The pressure relief valve assembly (40) is used to balance the pressure difference inside and outside the tank (10). The nozzle (50) is fixedly installed on the top of the tank (10). The nozzle (50) is provided with a connecting part (51) for connecting the pressure relief valve assembly (40). The nozzle (50) is connected to a spray pipe part (52) on the outside, and a spray channel (520) is opened in the spray pipe part (52). The interior of the connecting part (51) is connected to the interior of the spray channel (520). The spray channel (520) is provided with a nozzle (521) in the direction away from the connecting part (51). The spray channel (520) is gradually expanded from the diameter of the connecting part (51) towards the nozzle (521).

2. The novel high-pressure spray can according to claim 1, characterized in that: The bottom of the connector (21) is connected to a fitting section (210), and a positioning ring (211) is provided at the bottom end of the fitting section (210). The conduit (30) has a groove (300) relative to the positioning ring (211). The positioning ring (211) and the groove (300) are used to connect the fitting section (210) and the conduit (30).

3. The novel high-pressure spray can according to claim 2, characterized in that: The conduit (30) is located at one end of the fitting section (210) and extends at least to a position equal to or less than half the length of the inner liner (20).

4. The novel high-pressure spray can according to claim 3, characterized in that: The channel (22) has a first inner diameter (220) and a second inner diameter (221). The first inner diameter (220) is larger than the second inner diameter (221). The difference in diameter between the first inner diameter (220) and the second inner diameter (221) forms a baffle (222). The pressure relief valve assembly (40) includes an outer cover (41), a slider (42), and an elastic body (43). The slider (42) and the elastic body (43) are arranged sequentially in the first inner diameter (220). One end of the elastic body (43) contacts the baffle (222). The outer cover (41) is installed in the opening (11). The outer cover (41) has a through hole (410) for connecting the connector (21). The slider (42) is located at the other end of the elastic body (43) and contacts the outer cover (41). The elastic body (43) is a spring.

5. The novel high-pressure spray can according to claim 4, characterized in that: The outer cover (41) and the opening (11) are provided with the same first washer (44), and the outer cover (41) and the connector (21) are provided with a second washer (45). The slider (42) is spaced apart from the second washer (45) and is used to elastically press the inner side of the outer cover (41).

6. The novel high-pressure spray can according to claim 5, characterized in that: The nozzle (50) is fixedly installed on the top of the outer cover (41), the joint (51) is set in the through hole (410), one end of the joint (51) is connected to the slider (42), and the spray channel (520) is provided with a spray structure.

7. The novel high-pressure spray can according to claim 6, characterized in that: The spray structure is radially protruding and has multiple protrusions (521A). The multiple protrusions (521A) are angled at both ends to form an oblique radial shape.

8. The novel high-pressure spray can according to claim 6, characterized in that: The spray structure has a cone-shaped polygonal hole, which is a hexagonal hole with multiple angled lines (521B) inside.

9. The novel high-pressure spray can according to claim 6, characterized in that... The spray structure consists of multiple spiral protrusions (521C).

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