Anti-drowning lifesaving waistband

By introducing water-blocking gaps and an automatically inflatable airbag triggered by expanding rubber into the anti-drowning life belt, the problems of manual operation and inverted risk of traditional belts are solved, realizing automatic self-rescue and efficient rescue.

CN224184475UActive Publication Date: 2026-05-01ZHEJIANG ALLAN NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG ALLAN NEW MATERIAL CO LTD
Filing Date
2025-05-15
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Traditional drowning prevention and rescue belts require manual operation and are difficult to activate autonomously in complex waters. Furthermore, the inverted position of the drowning person may increase the danger and affect the efficiency of the rescue.

Method used

A detection box with water-blocking gaps and expanding rubber was designed. It uses water pressure to trigger an automatically inflating airbag. The airbag expands upward from the base to help the drowning person turn over so that their head is facing upward. The cover plate connected by ropes facilitates rescue.

Benefits of technology

It enables automatic inflation in case of drowning, improving the success rate of self-rescue, reducing the risk of inversion, simplifying the rescue process, improving rescue efficiency, and providing heat preservation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-drowning lifesaving waistband, relates to the field of lifesaving equipment, and provides the following technical scheme that the anti-drowning lifesaving waistband comprises a main body waistband, a detection box is installed at the back end of the main body waistband, a plurality of water blocking gaps are formed in the detection box, a trigger box is installed in the detection box, and the trigger box is connected with the main body waistband. A limiting groove is formed in the top face of the trigger box, and expansion rubber is arranged at the position, below the limiting groove, in the trigger box. Daily contacted water is isolated through the water-blocking gap, once a wearer falls into water, the main body waistband on the waist can be completely immersed into the water and is influenced by the pressure intensity of the water, and the water can penetrate through the water-blocking gap to enter the detection box, so that the inflation block is triggered, the inflation expansion of the air bag is completed, and the safety of the wearer is ensured. Compared with traditional manual triggering, the safety and applicability of automatic triggering after falling into water are higher.
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Description

A drowning prevention life belt Technical Field

[0001] This utility model relates to the field of lifesaving equipment, specifically a drowning prevention lifesaving belt. Background Technology

[0002] In drowning rescues, manual rescue is a common method, but it has many problems. Rescuers may be unfamiliar with the aquatic environment, such as encountering undercurrents, whirlpools, or complex underwater terrain, which threatens their own safety. For example, in some rivers and reservoirs, rescuers may be swept into dangerous areas, and in a panicked state, the drowning person may cling tightly to the rescuer, causing both parties to be in danger and increasing the difficulty of the rescue. Therefore, survival equipment for self-rescue is particularly important.

[0003] Application number 201620355501.6 discloses a drowning prevention and rescue belt. By opening the protective cover and pressing the start button, the electronic ignition device rapidly decomposes the gunpowder inside the ignition gas generator, as well as the sodium azide and ammonium nitrate on the outside of the gunpowder, generating a large amount of gas that fills the folded air bladder. Under the pressure of the internal gas, the folded air bladder is ejected from the connecting seam of the upper and lower folded edges on the outside of the belt body, forming a life ring. In addition, by embedding the rescue gas generator inside the belt body and the folded air bladder, the folded air bladder also acts as a buffer against the impact force of the rescue gas generator during the ignition of the gunpowder and the generation of gas. Because the belt body is equipped with a folded air bladder, its volume can be relatively small, making it convenient to wear and play a role in emergency situations.

[0004] However, in actual situations, most drowning victims fall into the water accidentally. In this state of panic, it is difficult for them to complete a series of operations such as opening the protective cover and pressing the start button. Furthermore, due to factors such as rapid water currents or excessive height from which they fall, drowning victims may lose consciousness after falling into the water and be unable to operate independently. Moreover, due to the complex water conditions, drowning victims may end up upside down after activating the survival device. If the drowning victim cannot turn over in time, it will be extremely dangerous. Therefore, a drowning prevention and rescue belt has been designed to solve the above problems. Summary of the Invention

[0005] Therefore, the purpose of this utility model is to provide a drowning prevention and rescue belt to solve the technical problems of traditional devices being unable to start autonomously and having limited application scenarios.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a drowning prevention and rescue belt, comprising a main belt, a detection box installed at the back end of the main belt, and the detection box having several water-blocking slits, a trigger box installed inside the detection box, and a limiting groove opened on the top surface of the trigger box, an expansion rubber disposed below the limiting groove inside the trigger box, a top block slidably connected inside the trigger box at the bottom end of the expansion rubber, a starting block and an inflation block sequentially disposed inside the trigger box at the bottom end of the top block, a base installed on both sides of the main belt, and a cover plate disposed on each base, an airbag disposed between each cover plate and the corresponding base, and an airflow channel communicating between each airbag and the inflation block.

[0007] By adopting the above technical solution, the main belt is worn on the body. Due to the surface tension, water that accidentally splashes on the body cannot penetrate into the water-blocking gaps. Once the wearer falls into the water, the main belt on the waist will be completely submerged in the water. Under the influence of water pressure, the water will pass through the water-blocking gaps and enter the interior of the detection box. Subsequently, the water enters the expansion rubber in the trigger box through the limiting groove. The expansion rubber expands when it comes into contact with water, squeezing the top block to trigger the activation block. The activation block then triggers the inflation block, thereby completing the inflation of the airbag and forming a floating object to enable the wearer to save themselves. Compared with traditional manual triggering, automatic triggering after falling into water is safer and more applicable.

[0008] The present invention is further provided that the surface of the detection box is provided with a plurality of guide grooves that cross the water-blocking gaps.

[0009] By adopting the above technical solution, water that accidentally falls onto the detection box will flow away along the guide channel, so as to avoid staying on the detection box for a long time and thus seeping into the interior of the detection box.

[0010] The present invention is further configured such that each airbag is connected to a corresponding base, and the expansion direction of each airbag is upward.

[0011] By adopting the above technical solution, after the airbag is triggered, the airbag begins to expand upward from the base. If the wearer is in an upside-down position at this time, the wearer's legs and other parts will float on the water surface under the buoyancy of the airbag. Therefore, the center of gravity will be higher than the water surface. Since the center of gravity is high and unstable, the wearer will roll over further, so that the center of gravity is in the water. At this time, the wearer's head is facing upward, thus solving the danger of being upside down when drowning.

[0012] The present invention is further configured such that each of the cover plates is connected to the corresponding airbag by a rope.

[0013] By adopting the above technical solution, after the airbag is inflated, the cover plate connected to the airbag by the rope can be regarded as a handle. Since most drowning people are too panicked and will move around unconsciously, and due to the many influencing factors in the water, it is not possible to properly fix the drowning person, which will affect the rescue efficiency of the rescuers. At this time, it is only necessary to grab the cover plate and pull the drowning person out of the water to complete the rescue, thus improving the rescue efficiency.

[0014] The present invention is further provided with a heat insulation layer on both the airflow channel and the inner surface of the airbag.

[0015] By adopting the above technical solution, the insulation layer can enable the airbag to play a certain role in keeping warm in cold water, reducing heat loss, protecting the body temperature of drowning victims, and reducing the dangers caused by low temperature.

[0016] In summary, the present invention has the following main advantages:

[0017] This invention isolates the wearer from water through water-blocking gaps. If the wearer falls into the water, the main waist belt will be completely submerged. Due to the water pressure, water will pass through the gaps and enter the detection box, triggering the inflation block and inflating the airbag to create a buoyancy barrier, thus enabling the wearer to save themselves. Compared to traditional manual triggering, automatic triggering after falling into water offers greater safety and applicability. During this process, after the airbag is triggered, it begins to inflate upwards from the base. If the wearer is in an upside-down position, the buoyancy of the airbag will raise their center of gravity above the water surface. Because of this higher center of gravity and instability, the wearer will further roll over, bringing their center of gravity to the water's edge, with their head facing upwards, thus eliminating the danger of being upside down while drowning. Attached Figure Description

[0018] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 is a schematic diagram of the overall structure of this utility model;

[0020] Figure 3 is a cross-sectional view of the overall structure of this utility model;

[0021] Figure 4 is an enlarged view of the structure at point A in Figure 3 of this utility model.

[0022] In the diagram: 1. Main body belt; 2. Detection box; 3. Airflow channel; 4. Base; 5. Airbag; 6. Cover plate; 7. Water-blocking gap; 8. Guide groove; 9. Limiting groove; 10. Expansion rubber; 11. Top block; 12. Starting block; 13. Inflatable block; 14. Trigger box. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] The embodiments of this utility model will be described below based on its overall structure.

[0025] A drowning prevention and rescue belt, as shown in Figures 1-4, includes a main belt 1. A detection box 2 is installed at the back end of the main belt 1, and the detection box 2 has several water-blocking slits 7. A trigger box 14 is installed inside the detection box 2, and a limiting groove 9 is formed on the top surface of the trigger box 14. An expansion rubber 10 is installed inside the trigger box 14 below the limiting groove 9. A top block 11 is slidably connected inside the trigger box 14 to the bottom end of the expansion rubber 10. An activation block 12 and an inflation block 13 are sequentially arranged at the bottom end of the top block 11 inside the trigger box 14. The activation block 12 and the inflation block 13 cooperate with each other. The activation block 12 can be a primer device or a trigger-type electric spark device, etc. The inflation block 13 can contain sodium azide or ammonium nitrate, etc. Both sides of the main belt 1 are equipped with... The base 4 has a cover plate 6 on it, and each cover plate 6 is connected to the corresponding base 4 with an airbag 5. Each airbag 5 is connected to the inflation block 13 by an airflow channel 3. When the main waist belt 1 is worn, water that is accidentally splashed on the body cannot penetrate into the water-blocking gap 7 due to surface tension. Once the wearer falls into the water, the main waist belt 1 on the waist will be completely submerged in the water. Due to the water pressure, the water will pass through the water-blocking gap 7 and enter the interior of the detection box 2. Then, the water enters the expansion rubber 10 in the trigger box 14 through the limiting groove 9. The expansion rubber 10 expands when it comes into contact with water, squeezes the top block 11 to trigger the activation block 12, and triggers the inflation block 13 through the activation block 12, thereby completing the inflation of the airbag 5, forming a floating object and thus enabling the wearer to save themselves.

[0026] Furthermore, as shown in Figure 4, the surface of the detection box 2 is provided with several guide grooves 8 that run through the water-blocking gaps 7. Water that accidentally falls onto the detection box 2 will flow away along the guide grooves 8 to prevent it from staying on the detection box 2 for a long time and thus seeping into the interior of the detection box 2.

[0027] During this period, as shown in Figure 2, each airbag 5 is connected to the corresponding base 4, and the expansion direction of each airbag 5 is upward. After the airbag 5 is triggered, the airbag 5 starts to expand upward with the base 4 as the starting point. If the wearer is in an upside-down state at this time, the wearer's legs and other parts will float on the water surface under the buoyancy of the airbag 5. Therefore, the center of gravity will be higher than the water surface. Since the center of gravity is high and unstable, the wearer will be further flipped, so that the center of gravity is in the water. At this time, the wearer's head is facing upward, thus solving the danger of being upside down when drowning.

[0028] Furthermore, as shown in Figure 2, each cover plate 6 is connected to the corresponding airbag 5 by a rope. After the airbag 5 is inflated, the cover plate 6 connected to the airbag 5 by the rope can be regarded as a handle. Since most drowning people are too panicked and will move around unconsciously, and due to the many influencing factors in the water, it is not possible to properly fix the drowning person, which will affect the rescue efficiency of the rescuers. At this time, it is only necessary to grab the cover plate 6 and pull the drowning person out of the water to complete the rescue, thus improving the rescue efficiency.

[0029] Both the airflow channel 3 and the inner surface of the airbag 5 are provided with a heat insulation layer. The heat insulation layer can enable the airbag 5 to play a certain role in keeping warm in cold water, reducing heat loss, protecting the body temperature of the drowning person, and reducing the danger faced due to low temperature.

[0030] Based on the above structure, although embodiments of the present utility model have been shown and described in this embodiment, these specific embodiments are merely explanations of the present utility model and are not intended to limit the utility model. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present utility model, but such modifications, substitutions, and variations are protected by patent law as long as they fall within the scope of the claims of the present utility model.

Claims

1. A drowning prevention and rescue belt, comprising a main belt (1), characterized in that: The back end of the main waist belt (1) is equipped with a detection box (2), and the detection box (2) has several water-blocking gaps (7). The detection box (2) is equipped with a trigger box (14), and the top surface of the trigger box (14) has a limiting groove (9). The inside of the trigger box (14) is provided with an expansion rubber (10) below the limiting groove (9). The inside of the trigger box (14) is slidably connected with a top block (11) located at the bottom end of the expansion rubber (10). The inside of the trigger box (14) is provided with a starting block (12) and an inflation block (13) arranged sequentially at the bottom end of the top block (11). The two sides of the main waist belt (1) are equipped with bases (4), and each base (4) is provided with a cover plate (6). Each cover plate (6) is provided with an airbag (5) between it and the corresponding base (4), and each airbag (5) is connected to the inflation block (13) by an airflow channel (3).

2. The anti-drowning life-saving belt according to claim 1, characterized in that: The surface of the detection box (2) is provided with several guide grooves (8) that cross the water-blocking gaps (7).

3. The anti-drowning life-saving belt according to claim 1, characterized in that: Each of the airbags (5) is connected to the corresponding base (4), and the inflation direction of each airbag (5) is upward.

4. A drowning prevention life-saving belt according to claim 1, characterized in that: Each of the cover plates (6) is connected to the corresponding airbag (5) by a rope.

5. A drowning prevention life-saving belt according to claim 1, characterized in that: Both the airflow channel (3) and the inner surface of the airbag (5) are provided with a heat insulation layer.

Citation Information

Patent Citations

  • Prevent drowned lifesaving waistband

    CN205707239U