Flame resistant firefighting glove

Abstract

The application discloses a kind of fire-retardant fire-fighting gloves, comprising: glove body, hot debonding adhesive layer and pull ring.Glove body is sequentially stacked from inside to outside and includes inner liner, heat insulation layer and fire-retardant layer;Fire-retardant layer is connected between heat insulation layer by hot debonding adhesive layer, and the preset temperature of hot debonding adhesive layer is lower than the failure temperature of fire-retardant layer;Fire-retardant layer is connected with at least one pull ring, and the fixed end of pull ring is fixedly connected with corresponding fire-retardant layer.Fire-retardant layer is connected between heat insulation layer by hot debonding adhesive layer, and when ambient temperature exceeds preset value, adhesive layer is first debonded, and visible and perceptible changes such as interlayer separation or bulging are generated, so as to send early warning signal to wearer that fire-retardant performance will soon fail.If glove is on fire, the debonded adhesive layer allows the fire-retardant layer to be quickly removed, prevents the flame from spreading to the heat insulation layer, and keeps the heat insulation layer and the inner liner attached to the hand to maintain heat conduction barrier and basic mechanical protection.

Description

Technical Field

[0001] This invention relates to the field of fire rescue equipment technology, and in particular to a flame-retardant fire rescue glove. Background Technology

[0002] Flame-retardant fire rescue gloves are hand protection equipment designed and worn by firefighters in firefighting operations and various rescue scenarios. These gloves utilize multiple layers of flame-retardant, heat-insulating, and high-temperature-resistant materials to primarily protect against direct flame burns in a fire environment, block external heat transfer to the hands, and provide effective protection against mechanical injuries such as punctures, cuts, tears, impacts, and compression.

[0003] Firefighting and rescue gloves must be inspected regularly according to prescribed cycles. During rescue operations, their flame-retardant properties will gradually deteriorate due to repeated exposure to high-temperature thermal stress, mechanical wear, and thermal oxidation of the material. Flame-retardant performance is a core safety indicator for protecting firefighters' hands from flames and high temperatures, but existing firefighting and rescue gloves do not have functional indicators for critical failure states of flame-retardant performance or contingency plans for failure in a fire. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a flame-retardant fire rescue glove, which has an indication function for the decline of flame-retardant performance and an on-site response plan for failure in a fire.

[0005] The objective of this invention is achieved through the following technical solution: A flame-retardant fire rescue glove, comprising: The glove body comprises an inner lining layer, a heat insulation layer, and a flame retardant layer stacked sequentially from the inside out. A heat-loss adhesive layer is provided, wherein the flame-retardant layer and the heat-insulating layer are connected by the heat-loss adhesive layer, and the heat-loss adhesive layer is configured to lose its adhesiveness when the temperature exceeds a preset temperature, and the preset temperature of the heat-loss adhesive layer is lower than the failure temperature of the flame-retardant layer. A pull ring is provided, wherein at least one pull ring is connected to the flame-retardant layer, and the fixed end of the pull ring is fixedly connected to the corresponding flame-retardant layer. The pull ring is used to allow the user to peel the corresponding flame-retardant layer from the glove body after the heat-induced adhesive layer loses its stickiness.

[0006] Furthermore, at least two flame-retardant layers and at least two heat-dissipating adhesive layers are provided, and two adjacent flame-retardant layers are connected by the heat-dissipating adhesive layers.

[0007] Furthermore, the flame-retardant layer is applied to the outer surface of the glove body in a wrapping manner.

[0008] Furthermore, the winding directions between adjacent flame-retardant layers intersect each other.

[0009] Furthermore, the preset temperatures of the multiple heat-loss adhesive layers are different from each other, and the preset temperature of the inner heat-loss adhesive layer is higher than that of the outer heat-loss adhesive layer.

[0010] Furthermore, the outer surface of each flame-retardant layer has a different color, and the color gradually deepens from the outer layer to the inner layer, or different warning colors are used.

[0011] Furthermore, the pull rings of adjacent flame-retardant layers are staggered in the circumferential direction of the glove body.

[0012] Furthermore, the pull tab is peelably attached to the outer surface of the flame-retardant layer via the heat-loss adhesive layer; the pull tab is designed to automatically detach after the heat-loss adhesive layer loses its stickiness, allowing the user to peel the corresponding flame-retardant layer off the glove body.

[0013] Furthermore, a chemical warning layer is provided on the outer surface of the flame retardant layer, the chemical warning layer containing an indicator that changes color in acidic and / or alkaline environments.

[0014] Furthermore, at least a portion of the pull ring is made of a material with shape memory properties, and when the ambient temperature reaches the preset temperature, the pull ring automatically changes from a closed state to a raised state.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The glove body is constructed by layering, from the inside out, the layers of which include an inner lining, a heat insulation layer, and a flame-retardant layer. This layered structure effectively buffers instantaneous thermal shock in a fire environment while maintaining necessary flexibility and grip, preventing material hardening from affecting operation. This achieves a progressive safety barrier from thermal insulation to flame-retardant protection.

[0016] 2. The flame-retardant layer and the heat insulation layer are connected by a heat-loss adhesive layer, which is configured to lose its adhesiveness above a preset temperature. This preset temperature is lower than the failure temperature of the flame-retardant layer. The flame-retardant layer and the heat insulation layer are connected by this heat-loss adhesive layer, and the preset temperature of this adhesive layer is lower than the failure temperature of the flame-retardant layer. This configuration ensures that when the ambient temperature exceeds the preset value, the adhesive layer loses its adhesiveness first, resulting in visible and perceptible changes such as interlayer separation or bulging. This provides an early warning signal to the wearer that the flame-retardant performance is about to fail. Simultaneously, if the glove catches fire, the lost adhesive layer allows the flame-retardant layer to be quickly removed, preventing the flame from spreading to the heat insulation layer. The heat insulation layer and the inner lining layer remain attached to the hand to maintain heat conduction barrier and basic mechanical protection, significantly reducing the risk of burns compared to directly removing the gloves.

[0017] 3. The glove is equipped with at least one pull ring connected to the flame-retardant layer. The fixed end of the pull ring is fixedly connected to the corresponding flame-retardant layer. The pull ring is used to allow the user to peel the corresponding flame-retardant layer from the glove body after the heat-induced adhesive layer loses its stickiness. The pull ring fixedly connected to the flame-retardant layer provides the user with a clear point of force after the heat-induced adhesive layer loses its stickiness. By pulling the pull ring, directional and complete peeling of the flame-retardant layer can be achieved, avoiding direct contact with high-temperature surfaces and reducing the risk of secondary burns. It also ensures that the flame-retardant layer removal process is fast and controllable, thereby assisting in emergency separation operations in a fire. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the structure of the flame-retardant fire rescue gloves of the present invention; Fig. 2 This is a schematic diagram of the hierarchical structure of the present invention.

[0019] In the image: 1. Glove body; 2. Inner lining; 3. Insulation layer; 4. Flame retardant layer; 5. Heat-loss adhesive layer; 6. Pull tab; 7. Chemical warning layer. Detailed Implementation

[0020] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0021] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] See Figs. 1-2 A preferred embodiment of the present invention provides a flame-retardant fire rescue glove, comprising: a glove body 1, a heat-loss adhesive layer 5, and a pull ring 6.

[0024] The glove body 1 comprises, from the inside out, an inner lining layer 2, a heat insulation layer 3, and a flame-retardant layer 4, stacked sequentially. The inner lining layer 2 directly contacts the skin of the hand, its function being to absorb sweat and reduce friction, thereby reducing discomfort and the risk of skin damage caused by prolonged wear. The inner lining layer 2 can be made of aramid knitted fabric, which is skin-friendly, moisture-wicking, and has a certain degree of flame retardancy; it can also be made of a blend of flame-retardant cotton and conductive fibers to reduce static electricity accumulation and improve wearing comfort; or it can be made of flame-retardant viscose fiber, which is highly soft and has good moisture absorption. The heat insulation layer 3 is located between the inner lining layer 2 and the flame-retardant layer 4, its main function being to slow down the rate at which external high temperatures are conducted to the hands, giving firefighters sufficient time for evacuation and work. The heat insulation layer 3 can be made of aramid spunlace felt, which relies on the static air layer between fibers to slow down heat conduction; it can also be made of pre-oxidized polyacrylonitrile fiber needle-punched felt, which has good thermal stability and does not drip during combustion; or it can be made of silica aerogel composite material, which has an extremely low thermal conductivity and can significantly extend the heat transfer path. The flame-retardant layer 4, as the outermost layer directly facing the flame, rapidly forms a dense carbonized layer upon contact with fire, preventing the flame from spreading further and protecting the internal structure from thermal oxidation damage. Flame-retardant layer 4 can be made of polybenzimidazole fiber fabric, which exhibits almost no shrinkage in flames and excellent heat oxidation resistance; alternatively, it can be a blend of carbon fiber and flame-retardant viscose fabric to balance strength and flame retardancy. The three layers work synergistically, enabling the glove body 1 to effectively buffer instantaneous thermal shock in a fire environment while maintaining necessary flexibility and grip, preventing material hardening from affecting operation. Through this layered structure, the glove body 1 achieves a progressive safety barrier from thermal insulation to flame-retardant protection, thus maintaining stable flame-retardant performance even under mechanical wear and repeated heating conditions.

[0025] The flame-retardant layer 4 and the heat-insulating layer 3 are connected by a heat-loss adhesive layer 5. This heat-loss adhesive layer 5 is configured to lose its adhesiveness above a preset temperature, which is lower than the failure temperature of the flame-retardant layer 4. Located between the flame-retardant layer 4 and the heat-insulating layer 3, the heat-loss adhesive layer 5 maintains reliable adhesion between the two layers at room temperature, ensuring the overall structural stability of the glove. When the temperature rises to the preset value, the heat-loss adhesive layer 5 rapidly loses its adhesiveness due to exceeding the preset temperature, resulting in a significant decrease in the bonding force between the flame-retardant layer 4 and the heat-insulating layer 3. Because the preset temperature is lower than the failure temperature of the flame-retardant layer 4, the heat-loss adhesive layer 5 will lose its adhesiveness before the flame-retardant layer 4 undergoes substantial thermal degradation, resulting in visible or perceptible structural changes such as interlayer separation or localized bulging, issuing a warning signal to the wearer that they are approaching a safety limit. When flammable material adheres to the glove surface and ignites, the heat-loss adhesive layer 5 loses its stickiness within a short time, allowing the flame-retardant layer 4 to be quickly removed. This disrupts the medium required for continued flame combustion, preventing the flame from spreading further to the insulation layer 3 or the arm, thereby reducing the wearer's burns and buying time to remove the glove. Compared to directly removing a burning glove by hand, separating the flame-retardant layer 4 through the heat-loss adhesive layer 5 allows the insulation layer 3 and the inner lining layer 2 to remain attached to the hand in a fire, maintaining its heat-conducting barrier and basic mechanical protection. This heat-loss adhesive layer 5 provides both a failure warning function and facilitates the easy separation of the flame-retardant layer 4 during a fire, forming a dual safety mechanism combining proactive warning and emergency removal, effectively compensating for the inadequacy of protection relying solely on the material itself.

[0026] The flame-retardant layer 4 is connected to at least one pull ring 6. The fixed end of the pull ring 6 is fixedly connected to the corresponding flame-retardant layer 4. The pull ring 6 is used to allow the user to peel the corresponding flame-retardant layer 4 from the glove body 1 after the heat-loss adhesive layer 5 loses its stickiness. The fixed end of the pull ring 6 is fixedly connected to the corresponding flame-retardant layer 4, and its function is to provide the user with a clear point of force application after the heat-loss adhesive layer 5 loses its stickiness. When the heat-loss adhesive layer 5 loses its stickiness due to exceeding the preset temperature, and the bonding force between the flame-retardant layer 4 and the heat insulation layer 3 is significantly reduced, the user can apply a peeling force to the flame-retardant layer 4 by pulling the pull ring 6, so that the flame-retardant layer 4 gradually detaches from the glove body 1 from the fixed end to the free end. The pull ring 6 is usually located in the wrist or back of the hand area of ​​the glove body 1 for one-handed operation in emergencies. The process of peeling the flame-retardant layer 4 by pulling the pull ring 6 does not require the user to directly touch the surface of the heated or ignited flame-retardant layer 4, thereby reducing the risk of secondary burns. Meanwhile, the directional peeling method provided by the pull ring 6 allows the flame-retardant layer 4 to detach more completely, avoiding the residue of flame-retardant layer 4 fragments due to uneven tearing. Compared to directly pulling off the edge of the flame-retardant layer 4, the pull ring 6 structure enables a more controllable and faster removal of the flame-retardant layer 4 after the thermally lost adhesive layer 5 fails, thereby helping to achieve the goal of preserving the insulation layer 3 and the inner lining layer 2 to continue providing protection in the fire scene. The pull ring 6 and the thermally lost adhesive layer 5 work together to form a complete operational chain from early warning to emergency separation.

[0027] Working principle: The glove body 1 consists of three layers stacked from the inside out: an inner lining layer 2, a heat insulation layer 3, and a flame-retardant layer 4. The inner lining layer 2 conforms to the skin of the hand, reducing discomfort and damage by absorbing sweat and reducing friction. The heat insulation layer 3, located between the inner lining layer 2 and the flame-retardant layer 4, uses a low thermal conductivity material to delay the conduction of external high temperatures to the hand, giving firefighters more time to avoid danger and perform their work. The flame-retardant layer 4, as the outermost layer, forms a dense carbonized layer when exposed to fire to prevent the spread of flames and protect the internal structure. The three layers work together to buffer thermal shock and maintain flexibility and grip. The flame-retardant layer 4 and the heat insulation layer 3 are connected by a heat-loss adhesive layer 5. This adhesive layer maintains reliable adhesion at room temperature to ensure the overall stability of the glove. Its preset temperature is lower than the failure temperature of the flame-retardant layer 4. When the ambient temperature exceeds the preset value, the adhesive layer quickly loses its adhesiveness, causing a decrease in the bonding force between the flame-retardant layer 4 and the heat insulation layer 3, resulting in visible changes such as interlayer separation or bulging, thus issuing a warning signal. If the glove catches fire, the de-adhesive adhesive layer allows the flame-retardant layer 4 to be quickly removed, preventing the flame from spreading to the heat insulation layer 3. Simultaneously, the heat insulation layer 3 and the inner lining layer 2 continue to provide thermal protection, achieving proactive warning and emergency separation. At least one pull ring 6 is fixedly connected to the flame-retardant layer 4. After the heat-de-adhesive adhesive layer 5 loses its stickiness, the user pulls the pull ring 6 to apply a directional peeling force to the flame-retardant layer 4, completely detaching it from the glove body 1. This avoids direct contact with high-temperature surfaces and reduces the risk of secondary burns, thus achieving a rapid and controllable removal of the flame-retardant layer 4.

[0028] Clearly, the glove body 1 consists of an inner lining layer 2, a heat insulation layer 3, and a flame-retardant layer 4, layered sequentially from the inside out. This layered structure effectively buffers instantaneous thermal shock in a fire environment while maintaining necessary flexibility and grip, preventing material hardening from affecting operation. This achieves a progressive safety barrier from thermal insulation to flame-retardant protection. The flame-retardant layer 4 and the heat insulation layer 3 are connected by a heat-dead-adhesive layer 5, and the preset temperature of this adhesive layer is lower than the failure temperature of the flame-retardant layer 4. This configuration allows the adhesive layer to dead-adhere first when the ambient temperature exceeds the preset value, resulting in visible and perceptible changes such as interlayer separation or bulging, thus providing an early warning signal to the wearer that the flame-retardant performance is about to fail. At the same time, if the glove catches fire, the deadhesive layer allows the flame-retardant layer 4 to be quickly removed, preventing the flame from spreading to the heat insulation layer 3, while retaining the heat insulation layer 3 and the inner lining layer 2 to continue to adhere to the hand to maintain heat conduction barrier and basic mechanical protection. This significantly reduces the risk of burns compared to directly removing the glove. The pull ring 6, which is fixedly connected to the flame retardant layer 4, provides a clear point of force for the user after the adhesive layer 5 loses its adhesion due to heat. By pulling the pull ring 6, the flame retardant layer 4 can be peeled off in a directional and complete manner, avoiding direct contact with the high-temperature surface and reducing the risk of secondary burns. It also ensures that the removal process of the flame retardant layer 4 is fast and controllable, thereby assisting in emergency separation operations in the fire scene.

[0029] In this embodiment, preferably, at least two flame-retardant layers 4 and at least two heat-loss adhesive layers 5 are provided, with adjacent flame-retardant layers 4 connected by the heat-loss adhesive layers 5. This multi-layer composite structure can form a layer-by-layer responsive protection mechanism when heated. When the external temperature reaches the preset value of the outermost heat-loss adhesive layer 5, the adhesive layer loses its adhesiveness first, allowing the outermost flame-retardant layer 4 to detach, while the inner flame-retardant layers 4 and the heat-loss adhesive layers 5 between them remain intact, continuing to provide flame-retardant functionality. As the temperature further increases or the flame duration extends, the inner heat-loss adhesive layers 5 lose their adhesiveness sequentially, and the corresponding flame-retardant layers 4 are peeled off one by one. This layer-by-layer separation method significantly extends the effective time of overall flame-retardant protection, avoiding the rapid decay of the flame-retardant effect after the failure of a single flame-retardant layer 4. At the same time, each heat-loss adhesive layer 5 can produce visible changes such as interlayer separation or bulging before losing its adhesiveness, providing the wearer with multiple cumulative warning signals, enabling them to judge the remaining safe working time based on the degree of heat invasion. The multi-layer structure also allows for different preset thermal deviscosity temperatures to be set for different layers during manufacturing, thereby enabling customized design of gradient response.

[0030] In this embodiment, preferably, the flame-retardant layer 4 is applied to the outer surface of the glove body 1 in a wrapped manner. When the hand bends or grasps an object, the wrapped flame-retardant layer 4 can stretch and retract uniformly with the deformation of the glove body 1, avoiding tearing or premature failure of the flame-retardant layer 4 due to local stress concentration. Since the wrapping loops form partially overlapping areas, even if one area is damaged due to wear or heat, the overlapping parts of adjacent loops can still maintain the continuity of the flame-retardant barrier, thereby effectively preventing flames from penetrating directly to the inner heat insulation layer 3 from the damaged area. In addition, the wrapping method allows the flame-retardant layer 4 to adjust the wrapping density or number of loops during manufacturing according to the protection needs of different areas of the glove body 1. For example, the number of wrapping layers can be increased in high-wear areas such as the knuckles and the web of the hand to improve local flame-retardant durability, while the number of layers can be appropriately reduced at the wrist to maintain flexibility. This structure also facilitates segmented repair or replacement of the flame-retardant layer 4 after local damage, without discarding the entire flame-retardant layer 4 assembly.

[0031] In this embodiment, preferably, the winding directions of adjacent flame-retardant layers 4 intersect each other. The flame-retardant layers 4 are wrapped around the outer surface of the glove body 1, and the winding directions of adjacent flame-retardant layers 4 intersect each other, that is, one layer is wound along a first direction, and its adjacent layer is wound along a second direction at an angle to that direction. This interlaced winding structure allows the flame-retardant fibers of each layer to form a grid-like staggered arrangement on the glove surface. When the hand is subjected to multi-directional stress and complex deformation, the winding layers in different directions can restrain each other and share the load, effectively suppressing the slippage and fiber misalignment phenomena that are easily caused by unidirectional winding. During the heating process, the mutual pressing effect formed by the interlacing delays the loosening and falling off of the flame-retardant layer 4 after the heat-induced loss of adhesion of the adhesive layer 5, ensuring that the peeling action is carried out in the expected direction. At the same time, the overlapping gaps generated by the interlacing directions are misaligned, making it difficult for the flame to directly penetrate to the inner layer along the continuous seam formed by a certain winding direction, thereby improving the airtightness and reliability of the overall flame-retardant barrier. This structure also allows different interlacing angles to be set during manufacturing according to protection requirements, so as to balance tear resistance and ease of peeling.

[0032] In this embodiment, preferably, the preset temperatures of the multiple heat-loss adhesive layers 5 are different, and the preset temperature of the inner heat-loss adhesive layer 5 is higher than that of the outer heat-loss adhesive layer 5. This temperature gradient configuration causes the outer heat-loss adhesive layer 5 to lose adhesion first when heated, corresponding to the outer flame-retardant layer 4 falling off first, while the inner heat-loss adhesive layer 5 and its connected flame-retardant layer 4 only separate at a higher temperature. This mechanism of responding stepwise from the outside to the inside effectively extends the duration of overall flame-retardant protection and avoids all protective layers failing simultaneously at the same temperature. When exposed to instantaneous high temperature or short-term flame burning, only the outer flame-retardant layer 4 falls off while the inner layer remains intact, and the glove body 1 still has sufficient flame-retardant capability to continue working; if the heat attack continues to intensify, the inner heat-loss adhesive layers 5 lose adhesion in sequence and release the corresponding flame-retardant layers 4, allowing the wearer to judge the current remaining protection margin by the number of flame-retardant layers 4 falling off stepwise. For example, the preset temperatures of the thermally degraded adhesive layer 5 correspond to scenarios of short-term flame licking, continuous radiant heat, and direct intense burning; the preset temperature of the outer layer is lower than the thermal oxidation initiation temperature of the flame-retardant layer 4, while the preset temperature of the inner layer is close to the failure limit of the flame-retardant layer 4, forming progressive protection; furthermore, the temperature difference intervals between each layer increase exponentially, allowing the first two layers to provide frequent early warnings, while the last layer provides ultimate protection. This gradient design can also rationally set the temperature difference intervals of each layer according to the actual temperature distribution patterns of the fire scene, enabling it to provide early warnings in cases of mild overheating while retaining the innermost flame-retardant layer 4 as a final barrier in severe fire scenes, thus achieving full-stage coverage from early warning to deep protection.

[0033] In this embodiment, preferably, the outer surfaces of each flame-retardant layer 4 are different colors, with the colors gradually deepening from the outermost layer to the innermost layer, or using different warning colors. This color configuration allows the wearer to quickly identify the level of the currently exposed flame-retardant layer 4 visually without the need for tools. When the outer flame-retardant layer 4 detaches due to the loss of adhesion of the adhesive layer 5 caused by heat, the deeper or different warning color of the exposed inner flame-retardant layer 4 immediately reminds the wearer that the protective thickness has been reduced by one layer, thereby determining whether the remaining flame-retardant capability is sufficient to support continued work. The multi-layer color differences also facilitate accurate differentiation of the order of each layer during manufacturing, assembly, and daily inspection, avoiding incorrect or missing layer installation. In a smoke-filled fire environment, the high-contrast warning colors help colleagues or commanders observe the wearer's glove layer consumption status from the outside, issuing evacuation orders in a timely manner. In addition, the design of progressively darkening colors creates a visual warning gradient from light to dark, reinforcing the psychological suggestion that the protection level decreases as heat penetration intensifies, prompting the wearer to remain vigilant about the current level of danger.

[0034] It is understandable that, as an alternative implementation, different numbers of reflective strips can be sewn onto the edges of each flame-retardant layer 4. For example, one strip can be sewn onto the outermost layer, two onto the middle layer, and three onto the innermost layer. When illuminated, the number of strips can be used to quickly determine the currently exposed layer. Alternatively, laser etching can be used to mark different numerical numbers on the surface of each flame-retardant layer 4. For example, the outermost layer can be etched with number one, the next outermost layer with number two, and the innermost layer with number three, so that the layer level can be identified by touching the raised etched texture in low-light environments.

[0035] In this embodiment, preferably, the pull rings 6 of adjacent flame-retardant layers 4 are staggered in the circumferential direction of the glove body 1. When the outer heat-degradable adhesive layer 5 loses its adhesiveness, and the user pulls the outer pull ring 6 to peel it off, the staggered inner pull ring 6 is not directly below the outer pull ring 6, and therefore will not be obstructed or interfered with by the outer pull ring 6 or the peeling action. At the same time, since the pull rings 6 are separated from each other in the circumferential direction, even when wearing heavy gloves or in environments with low visibility, the user can still distinguish the layer to be operated on by touching the pull rings 6 in different circumferential positions, avoiding accidental pulling of the inner pull ring 6 to peel off the flame-retardant layer 4 before it has expired due to overlapping pull rings 6. The staggered arrangement also provides independent force application space for the inner pull ring 6 during the peeling of the outer flame-retardant layer 4, so that the inner pull ring 6 always remains in a graspable state. The discrete distribution caused by the circumferential misalignment of the multi-layer pull ring 6 gives the emergency separation operation of each flame-retardant layer 4 a clear sequence and independence, thereby improving the reliability and safety of layer-by-layer peeling.

[0036] In this embodiment, preferably, the pull ring 6 is peelably attached to the outer surface of the flame-retardant layer 4 via the heat-loss adhesive layer 5. The pull ring 6 is designed to automatically detach after the heat-loss adhesive layer 5 loses its adhesiveness, allowing the user to peel the corresponding flame-retardant layer 4 from the glove body 1. At room temperature, the pull ring 6 is stably attached to the flame-retardant layer 4 by the adhesive force of the heat-loss adhesive layer 5 and will not accidentally fall off due to daily activities or gripping actions. When the ambient temperature reaches the preset value of the heat-loss adhesive layer 5, the adhesive layer loses its adhesiveness, and the pull ring 6 automatically detaches from the surface of the flame-retardant layer 4 and hangs freely or curls up. At this time, the user can directly grasp the detached pull ring 6 for peeling without having to search for its location. This peelable attachment design avoids the risk of the flame-retardant layer 4 separating prematurely due to the pull ring 6 being pulled accidentally while it is still adhesive. The automatic detachment of the pull ring 6 is also a direct indication that the heat-loss adhesive layer 5 has failed, further enhancing the reliability of the warning signal. Once detached, the pull ring 6 provides the user with a clear point of force application, allowing the flame-retardant layer 4 to be quickly and directionally peeled off, thereby reducing operational hesitation and misjudgment in high-temperature emergency scenarios.

[0037] In this embodiment, preferably, a chemical warning layer 7 is provided on the outer surface of the flame-retardant layer 4. The chemical warning layer 7 contains an indicator that changes color in acidic and / or alkaline environments. When the flame-retardant layer 4 is intact, this warning layer, as the outermost layer, directly faces the fire environment and can provide an immediate color-changing response to surrounding chemical hazards such as corrosive gases, acidic fumes, or alkaline dust. This allows the wearer or rescuers to visually determine whether the environment is acidic or alkaline without relying on any detection instruments. This structure allows the gloves to provide thermal protection while also expanding the chemical hazard warning function without adding extra steps or changing wearing habits. When the flame-retardant layer 4 partially detaches due to thermal debonding, the outer chemical warning layer 7 is removed without affecting the integrity of the inner heat insulation layer 3, thus achieving coordinated management of chemical warning and thermal protection.

[0038] In this embodiment, preferably, at least a portion of the pull ring 6 is made of a material with shape memory properties. When the ambient temperature reaches the preset temperature, the pull ring 6 automatically changes from a closed state to a raised state. The fact that at least a portion of the pull ring 6 is made of a material with shape memory properties allows the pull ring 6 to remain closed to the surface of the flame-retardant layer 4 at room temperature, preventing accidental snagging, entanglement, or accidental pulling due to daily activities or friction, thereby reducing interference in non-emergency situations. When the ambient temperature rises to the preset temperature, the shape memory material undergoes a phase change or elastic recovery, driving the pull ring 6 to automatically change from a closed state to a raised state. This self-responsive change occurs synchronously with the loss of adhesion of the thermally delaminating adhesive layer 5, allowing the wearer to perceive that the pull ring 6 has raised through touch or peripheral vision without visual confirmation, significantly shortening the time spent finding and grabbing the pull ring 6 in emergency situations. The raised pull ring 6 forms a clearly defined force ring or lifting handle, allowing fingers to easily pass through or pinch it. Even in fire scenes with heavy gloves or extremely low visibility, a quick gripping action can be completed, enabling the directional peeling of the flame-retardant layer 4. This design directly couples temperature sensing with mechanical deformation, eliminating delays in human operation and improving the consistency and reliability of the layer-by-layer peeling operation. The pull ring 6 is self-triggered to lift using shape memory material, automatically linking its effectiveness to the working state of the heat-loss adhesive layer 5, thus providing the most convenient operating interface when the flame-retardant layer 4 needs to be removed.

[0039] It is understandable that, as a preferred implementation, a peelable flame-retardant layer 4 is provided. This allows the failed flame-retardant layer 4 to be removed from the interface of the heat-loss adhesive layer 5 when the outer flame-retardant layer 4 approaches its failure threshold due to heat exposure or chemical corrosion, while the inner liner layer 2 and the insulation layer 3 still maintain their integrity. After cleaning, a new flame-retardant layer 4 or a repaired flame-retardant layer 4 can be reattached, and the glove can be put back into use after passing the prescribed flame-retardant performance test. This structure avoids the waste of resources caused by discarding the entire glove due to the premature failure of a single flame-retardant layer 4, and significantly extends the originally long effective service life of the inner liner layer 2 and the insulation layer 3. By independently replacing the flame-retardant layer 4, fire departments can maintain the overall protection level of the glove at a lower maintenance cost, while reducing the economic burden of frequently purchasing new equipment. The peelable design also allows for a visual assessment of the failure level of the flame-retardant layer 4. When only a localized area shows thermal oxidation or wear, only the damaged flame-retardant layer 4 unit can be replaced, without replacing the entire glove. This structure decomposes the service life of the glove body 1 into two independent stages: the consumption cycle of the flame-retardant layer 4 and the durability cycle of the inner structure. This maximizes the utilization of both stages and significantly improves the overall life-cycle economy of the equipment while ensuring safety.

[0040] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0042] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A flame-retardant fire rescue glove, characterized in that, include: The glove body (1) includes an inner lining layer (2), a heat insulation layer (3) and a flame retardant layer (4) stacked sequentially from the inside to the outside. Heat-loss adhesive layer (5), the flame retardant layer (4) and the heat insulation layer (3) are connected by the heat-loss adhesive layer (5), the heat-loss adhesive layer (5) is configured to lose its adhesiveness when the temperature exceeds a preset temperature, and the preset temperature of the heat-loss adhesive layer (5) is lower than the failure temperature of the flame retardant layer (4); Pull ring (6), the flame retardant layer (4) is connected to at least one pull ring (6), the fixed end of the pull ring (6) is fixedly connected to the corresponding flame retardant layer (4), the pull ring (6) is used to allow the user to peel the corresponding flame retardant layer (4) from the glove body (1) after the heat-loss adhesive layer (5) loses its stickiness.

2. The flame-retardant fire rescue glove according to claim 1, characterized in that, At least two flame-retardant layers (4) and two heat-loss adhesive layers (5) are provided, and two adjacent flame-retardant layers (4) are connected by the heat-loss adhesive layers (5).

3. The flame-retardant fire rescue glove according to claim 2, characterized in that, The flame-retardant layer (4) is applied to the outer surface of the glove body (1) in a wrapping manner.

4. The flame-retardant fire rescue glove according to claim 3, characterized in that, The winding directions of adjacent flame-retardant layers (4) intersect each other.

5. A flame-retardant fire rescue glove according to claim 2, characterized in that, The preset temperatures of the multiple heat-loss adhesive layers (5) are different from each other, and the preset temperature of the inner heat-loss adhesive layer (5) is higher than that of the outer heat-loss adhesive layer (5).

6. A flame-retardant fire rescue glove according to claim 2, characterized in that, The outer surface of each flame-retardant layer (4) has a different color, and the color gradually deepens from the outer layer to the inner layer or different warning colors are used.

7. The flame-retardant fire rescue glove according to claim 1, characterized in that, The pull rings (6) of the adjacent flame-retardant layers (4) are staggered in the circumferential direction of the glove body (1).

8. A flame-retardant fire rescue glove according to claim 1, characterized in that, The pull ring (6) is peelably attached to the outer surface of the flame retardant layer (4) through the heat-loss adhesive layer (5); the pull ring (6) is used to automatically detach after the heat-loss adhesive layer (5) loses its stickiness, so that the user can peel the corresponding flame retardant layer (4) from the glove body (1).

9. A flame-retardant fire rescue glove according to claim 1, characterized in that, The outer surface of the flame retardant layer (4) is provided with a chemical warning layer (7), which contains an indicator that changes color in acidic and / or alkaline environments.

10. A flame-retardant fire rescue glove according to claim 1, characterized in that, At least a portion of the pull ring (6) is made of a material with shape memory properties. When the ambient temperature reaches the preset temperature, the pull ring (6) automatically changes from a closed state to a raised state.

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