Novel high-pressure spray tank

The design of a soft inner liner and pressure relief valve assembly solves the problems of liquid waste and high cost in high-pressure spray tanks, achieving a balance between safety and cost-effectiveness.

CN121155071APending Publication Date: 2025-12-19SHENZHEN ZHONGAN INTELLIGENT INVESTMENT HOLDINGS CO LTD
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Patent Information

Application Number
CN202511462833.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-14
Publication Date
2025-12-19

AI Technical Summary

Technical Problem

Existing high-pressure spray cans suffer from significant liquid waste after use, and the need for high-pressure gas to maintain safety and spraying effect increases production costs.

Method used

It adopts a soft inner liner and hollow joint design, combined with a pressure relief valve assembly and nozzle structure. The nozzle is connected to the connector through a channel, and high-pressure gas is used to squeeze the liquid out. The spray channel is designed to gradually expand to increase the spray area.

Benefits of technology

It improves safety during use, reduces production costs, and maintains the spraying effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of high-pressure spray tanks, particularly relates to a novel high-pressure spray tank, and provides the following scheme aiming at the problem that an existing high-pressure spray tank still has safety or is high in cost in the actual use process: the novel high-pressure spray tank comprises a hollow tank body, and an opening is formed in the top of the tank body; the inner container is made of a soft material, the interior of the inner container is used for being filled with liquid, a containing space is formed between the tank body and the inner container and used for being filled with high-pressure gas, the top of the inner container is connected with a joint part, and the joint part is hollow; the connecting piece is fixedly mounted in the joint part, and a channel is formed in the connecting piece; the guide pipe is installed in the inner container, and one end of the guide pipe is fixedly connected with the connecting piece; and the pressure relief valve set is arranged at the top of the tank body and located at the top of the opening and the top of the connecting piece, and in the actual use process, the safety can be effectively improved, and the production cost can be effectively reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-pressure spray cans, in particular to a novel high-pressure spray can. BACKGROUND

[0002] High-pressure spray cans have a wide range of applications, such as fire extinguishers, etc. Most high-pressure spray cans have an inner container inside the can body, which contains a liquid. High-pressure gas is filled between the can body and the inner container, and a pressure relief group is arranged at the top of the inner container. A nozzle is arranged at the top of the can body, and the nozzle is connected to the pressure relief group. By pressing the nozzle, the liquid is connected to the external atmospheric pressure, causing the pressure imbalance between the high-pressure gas and the liquid in the can body, so that the liquid is squeezed out of the nozzle by the high-pressure gas.

[0003] In the prior art, after the high-pressure spray can is used, the liquid level in the inner container is lowered. Therefore, in order to avoid waste of liquid, high-pressure gas with sufficient pressure is usually required to squeeze and spray the remaining liquid during the next use, resulting in the need for high-pressure gas with high pressure. However, in order to meet the safety factor of the high-pressure spray can and prevent the high-pressure spray can from bursting, it is necessary to improve the anti-burst factor of each element, such as the thickness of the can body and the safety factor of the pressure relief valve, thereby increasing the relative production cost and causing safety problems. Therefore, a novel high-pressure spray can is proposed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to solve the problem of high-pressure spray cans in the prior art, which still have the shortcomings of high safety and high cost in actual use. A novel high-pressure spray can is proposed.

[0005] The novel high-pressure spray can provided by the present application adopts the following technical solution:

[0006] The novel high-pressure spray can comprises:

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

[0008] The inner container is made of soft material, and the inside of the inner container is used to fill liquid. The can body and the inner container form a containing space, which is used to fill high-pressure gas. The top of the inner container is connected to a joint, which is hollow.

[0009] The connecting piece is fixedly installed in the joint, and a channel is formed in the connecting piece;

[0010] The conduit is installed in the inner container, and one end of the conduit is fixedly connected to the connecting piece;

[0011] A pressure relief valve group is arranged on the top of the tank body and located on the top of the opening and the connecting piece, and is used to balance the pressure difference between the inside and outside of the tank body.

[0012] A nozzle is fixedly installed on the top of the tank body, and a joint is arranged on the nozzle and used to combine the pressure relief valve group. A spout part is connected to the outside of the nozzle, and a spray channel is arranged in the spout part. The inside of the joint and the inside of the spray channel are in communication with each other, and a spray opening is arranged in the spray channel away from the joint. The aperture of the spray channel gradually expands from the joint to the spray opening.

[0013] Further, the bottom of the connecting piece is connected with a sleeving section, the bottom end of the sleeving section is provided with a positioning ring, and a groove is arranged on the connecting piece relative to the positioning ring. The positioning ring and the groove are used to connect the sleeving section and the connecting piece.

[0014] Further, the connecting piece is located at one end of the sleeving section and extends to a position equal to or lower than one-half of the length of the inner container.

[0015] Further, a first inner pipe diameter and a second inner pipe diameter are arranged in the channel, the first inner pipe diameter is larger than the second inner pipe diameter, and the pipe diameter difference between the first inner pipe diameter and the second inner pipe diameter forms a blocking surface. The pressure relief valve group includes an outer cover, a sliding block, and an elastic body. The sliding block and the elastic body are sequentially arranged in the first inner pipe diameter. One end of the elastic body is in contact with the blocking surface. The outer cover is installed in the opening and provided with a through hole for connecting the connecting piece. The sliding block at the other end of the elastic body is in contact with the outer cover. The elastic body is a spring.

[0016] Further, the same first gasket is arranged on the outer cover and the opening. The second gasket is arranged between the outer cover and the connecting piece, and the sliding block is spaced from the second gasket to elastically press the inside of the outer cover.

[0017] Further, the nozzle is fixedly installed on the top of the outer cover, the joint is arranged in the through hole, one end of the joint is connected with the sliding block, and a spraying structure is arranged in the spray channel.

[0018] Further, the spraying structure is radially convex and provided with a plurality of convex strips. The plurality of convex strips are respectively formed with an angle at two ends to form an inclined angle radiation.

[0019] Further, the spraying structure is a conical polygonal hole, the polygonal hole is a hexagonal hole, and a plurality of angle lines are arranged in the polygonal hole.

[0020] Further, the spraying structure is a plurality of spiral convex bodies.

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

[0022] 1. The present scheme is through pressing the nozzle top, through the nozzle joint part linkage drive pressure valve group in the slider and elastomer, so that the atmosphere of the outside air through the nozzle joint part and the passage in the connecting piece form communication, so that the imbalance between the liquid in the inner container and the high pressure gas in the tank body;

[0023] 2. The high pressure gas of the present scheme will extrude the liquid in the inner container with small pressure, and the liquid will be sprayed through the passage of the connecting piece, the inside of the nozzle joint part to the nozzle of the nozzle part, and the nozzle of the nozzle will form a diverging shape, which can provide larger area of spraying.

[0024] The present application can effectively improve the safety and reduce the production cost in actual use. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The three-dimensional structure diagram of the new high pressure spray tank is provided for the present application;

[0026] Figure 2 The structure explosion diagram of the new high pressure spray tank is provided for the present application;

[0027] Figure 3 The structure diagram of the tank body part of the new high pressure spray tank is provided for the present application;

[0028] Figure 4 The tank body part of the new high pressure spray tank is provided for the present application;

[0029] Figure 5 The nozzle of the new high pressure spray tank is provided for the present application;

[0030] Figure 6 The nozzle of the new high pressure spray tank is provided for the present application;

[0031] Figure 7 The nozzle of the new high pressure spray tank is provided for the present application;

[0032] Figure 8 The nozzle of the new high pressure spray tank is provided for the present application;

[0033] Figure 9 The nozzle of the new high pressure spray tank is provided for the present application;

[0034] Figure 10 The nozzle of the new high pressure spray tank is provided for the present application.

[0035] 10, tank body; 11, opening; 12, accommodating space; 20, inner container; 200, joint; 21, connecting piece; 210, sleeve segment; 211, positioning ring; 22, channel; 220, first inner tube diameter; 221, second inner tube diameter; 222, blocking surface; 30, conduit; 300, groove; 40, pressure relief valve set; 41, outer cover; 410, through hole; 42, slider; 43, elastic body; 44, first gasket; 45, second gasket; 50, nozzle; 51, joint part; 52, spout part; 520, spray channel; 521, spray opening; 521A, convex strip; 521B, angle line; 521C, helical convex body. DETAILED DESCRIPTION

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

[0037] Embodiment one

[0038] Reference Figures 1-6 The novel high-pressure spray tank comprises:

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

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

[0041] The connecting piece 21 is fixedly installed in the joint 200, and the connecting piece 21 is provided with a channel 22;

[0042] The conduit 30 is installed in the inner container 20, and one end of the conduit 30 is fixedly connected with the connecting piece 21;

[0043] The pressure relief valve set 40 is arranged at the top of the tank body 10, and is located at the top of the opening 11 and the connecting piece 21; the pressure relief valve set 40 is used to balance the pressure difference between the inside and outside of the tank body 10;

[0044] The nozzle 50 is fixedly installed at the top of the tank body 10, and the nozzle 50 is provided with a joint part 51, which is used to combine the pressure relief valve set 40; the nozzle 50 is connected with a spout part 52 on the outside, and the spout part 52 is provided with a spray channel 520; the inside of the joint part 51 and the inside of the spray channel 520 are in communication with each other; the spray channel 520 is provided with a spray opening 521 away from the joint part 51; the aperture of the spray channel 520 gradually expands from the joint part 51 to the spray opening 521.

[0045] In this embodiment, the bottom of the connecting piece 21 is connected with a sleeving section 210, the bottom end of the sleeving section 210 is provided with a positioning ring 211, a groove 300 is formed in the connecting piece 21 relative to the positioning ring 211, the positioning ring 211 and the groove 300 are used for connecting the sleeving section 210 and the connecting piece 21, and the connecting piece 21 is located at one end of the sleeving section 210 and extends to a position at least equal to or lower than half the length of the inner container 20.

[0046] In this embodiment, the channel 22 is provided with a first inner diameter 220 and a second inner diameter 221, the first inner diameter 220 is larger than the second inner diameter 221, and the difference between the first inner diameter 220 and the second inner diameter 221 forms a blocking surface 222. The pressure relief valve group 40 includes an outer cover 41, a sliding block 42, and an elastic body 43. The sliding block 42 and the elastic body 43 are sequentially arranged in the first inner diameter 220, one end of the elastic body 43 is in contact with the blocking surface 222, the outer cover 41 is installed in the opening 11, a through hole 410 is formed in the outer cover 41 and used for connecting the connecting piece 21, the other end of the sliding block 42 is in contact with the outer cover 41, the elastic body 43 is a spring, the outer cover 41 is provided with a first gasket 44, the outer cover 41 and the connecting piece 21 are provided with a second gasket 45, the sliding block 42 is separated from the second gasket 45 and used for elastically pressing the inner side of the outer cover 41.

[0047] In this embodiment, the nozzle 50 is fixedly installed at the top of the outer cover 41, the connecting part 51 is arranged in the through hole 410, one end of the connecting part 51 is connected with the sliding block 42, the spray channel 520 is provided with a spraying structure, the spraying structure is radially protruded and provided with a plurality of protrusions 521A, the two ends of the plurality of protrusions 521A are respectively formed with an angle, and the plurality of protrusions 521A are radially formed with an inclined angle. Through the arrangement of the plurality of protrusions 521A, the efficiency of spraying, such as the strength and distance of spraying, can be improved.

[0048] The implementation principle of the novel high-pressure spray tank is as follows: in use, the user presses the top of the nozzle 50, the connecting part 51 of the nozzle 50 drives the sliding block 42 and the elastic body 43 in the pressure relief valve group 40 to move, the atmosphere outside is connected with the channel 22 in the connecting piece 21 through the connecting part 51 of the nozzle 50, and thus the pressure imbalance between the liquid in the inner container 20 and the high-pressure gas in the tank body 10 is caused. Therefore, the high-pressure gas is extruded to the liquid in the inner container 20 with small pressure, the liquid is sequentially sprayed through the channel 22 of the connecting piece 21, the inside of the connecting part 51 of the nozzle 50, and the spray channel 520 of the spray pipe part 52, and the spray opening 521 of the spray channel 520 is formed in a gradually expanding shape, which can provide a larger area of spraying.

[0049] Embodiment two

[0050] The difference between the present embodiment and embodiment one is that referring to Figure 7 and Figure 8 , the spray structure is a polygonal hole with a conical shape, the polygonal hole is a hexagonal hole, and each angle line 521B between the polygonal holes is formed with an angle at both ends, which can further improve the spray efficiency.

[0051] Embodiment three

[0052] The difference between the present embodiment and embodiment one is that referring to Figure 9 and Figure 10 , the spray structure is a plurality of spiral convex bodies 521C, and the liquid is sprayed in a vortex manner through the guidance of the spiral convex bodies 521C, further improving the spray efficiency.

[0053] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes within the technical range disclosed by the present application according to the technical solution and the inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A new high pressure spray can characterized by: The utility model relates to a kind of high-pressure gas tank, including: Tank body (10), tank body (10) is hollow, and the top of tank body (10) is provided with opening (11); Inner bag (20), inner bag (20) is soft material, and the inside of inner bag (20) is used to fill liquid, and the accommodation space (12) is formed between tank body (10) and inner bag (20), and the accommodation space (12) is used to fill high-pressure gas, and the top of inner bag (20) is connected with joint (200), and joint (200) is hollow; Connecting piece (21), connecting piece (21) is fixedly installed in joint (200), and channel (22) is provided in connecting piece (21); Conduit (30), conduit (30) is installed in inner bag (20), and one end of conduit (30) is fixedly connected with connecting piece (21); Pressure relief valve group (40), pressure relief valve group (40) is arranged at the top of tank body (10), and pressure relief valve group (40) is located at the top of opening (11) and connecting piece (21), and pressure relief valve group (40) is used to balance the pressure difference inside and outside tank body (10); Nozzle (50), nozzle (50) is fixedly installed at the top of tank body (10), and nozzle (50) is provided with joint part (51), and joint part (51) is used to combine pressure relief valve group (40), and nozzle (50) is connected with spout part (52) outside, and spout part (52) is provided with spout (520) inside, and the inside of joint part (51) and the inside of spout (520) are interconnected, and spout (520) is provided with spout (521) in the direction away from joint part (51), and the aperture of spout (520) from joint part (51) to spout (521) is gradually expanded.

2. The new high pressure spray canister of claim 1, wherein: The bottom of connecting piece (21) is connected with sleeve segment (210), the bottom end of sleeve segment (210) is provided with positioning ring (211), and recess (300) is provided at the position of positioning ring (211) in conduit (30), and positioning ring (211) and recess (300) are used to connect sleeve segment (210) and conduit (30).

3. The new high pressure spray canister of claim 2, wherein: The conduit (30) is located at one end of the sleeve segment (210) and extends to a position that is equal to or lower than half the length of the inner bag (20).

4. The new high pressure spray canister of claim 3, wherein: First inner pipe diameter (220) and second inner pipe diameter (221) are provided in the channel (22), the first inner pipe diameter (220) is greater than the second inner pipe diameter (221), the pipe diameter difference of the first inner pipe diameter (220) and the second inner pipe diameter (221) forms a stop surface (222), the pressure relief valve group (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 pipe diameter (220), one end of the elastic body (43) is in contact with the stop surface (222), the outer cover (41) is installed in the opening (11), a through hole (410) is provided in the outer cover (41), the through hole (410) is used to communicate with the connecting piece (21), the slider (42) is in contact with the outer cover (41) at the other end of the elastic body (43), and the elastic body (43) is a spring.

5. The new high pressure spray canister of claim 4, wherein: The outer cover (41) is provided with a same first gasket (44) on the opening (11), the outer cover (41) and the connecting piece (21) are provided with a second gasket (45), the slider (42) is separated from the second gasket (45) and used for elastically pressing the inner side of the outer cover (41).

6. The new high pressure spray canister of claim 5, wherein: The nozzle (50) is fixedly installed on the top of the outer cover (41), the joint (51) is arranged in the through hole (410), one end of the joint (51) is connected with the slider (42), and the spray channel (520) is provided with a spraying structure.

7. The new high pressure spray canister of claim 6, wherein: The spraying structure is radially protruding and is provided with a plurality of convex strips (521A), the two ends of the plurality of convex strips (521A) are respectively formed with an angle, and the plurality of convex strips (521A) form an inclined angle radiation.

8. The new high pressure spray canister of claim 6, wherein: The spraying structure is a conical polygonal hole, the polygonal hole is a hexagonal hole, and a plurality of angle lines (521B) are arranged in the polygonal hole.

9. The new high pressure spray canister of claim 6, wherein The spraying structure is a plurality of spiral convex bodies (521C).