Electric welding protective glove

By using double-layer structural gloves braided with flame retardant yarn, combined with the design of flame retardant interlayer, the problems of stiffness, inflexibility and high cost of traditional welding gloves are solved, and higher flame retardant and thermal insulation performance and operating flexibility are achieved.

CN222675532UActive Publication Date: 2025-03-28NANTONG QIANGSHENG SAFETY PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421277373.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-05
Publication Date
2025-03-28
Estimated Expiration
2034-06-05

AI Technical Summary

Technical Problem

Traditional leather welding gloves have stiff feel, inflexible operation, high cost, and may contain heavy metal elements, which is harmful to health.

Method used

A double-layer structural glove formed by flame retardant yarn braiding includes an outer braided layer, an inner braided layer and a flame retardant interlayer. The flame retardant interlayer is located on the part of the back of the hand that is larger than the palm of the hand to improve the flame retardant and thermal insulation performance and flexibility of the gloves.

Benefits of technology

It improves the flame retardant and thermal insulation performance and flexibility of gloves, reduces costs, avoids heavy metal pollution, and provides a safer and more convenient welding operation environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electric welding gloves, and provides an electric welding protective glove, a glove green body is provided with an outer weaving layer and an inner weaving layer which are formed by weaving flame-retardant yarns, the strength of the woven glove is improved through a compact double-layer woven structure, and a flame-retardant interlayer is arranged between the outer weaving layer and the inner weaving layer; the flame-retardant interlayer is attached to the outer woven layer and the inner woven layer and is cross-linked with the outer woven layer and the inner woven layer, so that the flame-retardant interlayer is always kept consistent with the woven layers, and the phenomena of separation and slipping of the inner layer can be effectively prevented; the portion, located on the palm face, of the flame-retardant interlayer is smaller than the portion, located on the back face of the hand, of the flame-retardant interlayer, the area of the flame-retardant interlayer is effectively utilized, the portion, needing slag resistance and heat insulation, of the back of the glove fully plays a role, and the flame-retardant interlayer is reduced on the palm finger portion, so that the glove is more flexible and saves cost. And the weight is lighter, and the wearing is more flexible and convenient.
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Description

Technical Field

[0001] The present application relates to the technical field of welding gloves, and in particular to a pair of welding protective gloves. Background Art

[0002] Traditional welding gloves are leather welding gloves, which have certain flame retardant and heat resistance effects compared to spinning gloves, but they do not have the advantages of being light and flexible like spinning gloves.

[0003] Leather welding gloves feel stiff, are inflexible to operate, and are expensive. At the same time, leather gloves are made of animal fur, have high requirements for the production environment, and are easily affected by environmental pollution during the production process and contain heavy metal elements such as lead, cadmium, and chromium, which are harmful to health. Utility Model Content

[0004] In order to solve or at least partially solve the above technical problems, the present application provides a welding protective glove, comprising:

[0005] A glove blank having an outer knitted layer and an inner knitted layer knitted from flame-retardant yarns, and the glove blank having a palm side and a back side;

[0006] A flame retardant interlayer is arranged between the outer braided layer and the inner braided layer, and is respectively bonded to the outer braided layer and the inner braided layer, and the flame retardant interlayer is respectively cross-linked with the outer braided layer and the inner braided layer;

[0007] Wherein, the portion of the flame retardant interlayer located on the palm surface is smaller than the portion of the flame retardant interlayer located on the back surface of the hand.

[0008] Optionally, the palm surface and the back of the hand have a finger area, a palm area and a sleeve area respectively, the flame retardant interlayer of the palm surface is located at the sleeve area of ​​the palm surface, and the flame retardant interlayer of the back of the hand is located at the palm area and the sleeve area of ​​the back of the hand.

[0009] Optionally, the flame retardant interlayer on the palm surface is also located at the fingertips of the finger area on the palm surface.

[0010] Optionally, the flame retardant interlayer is a woven fabric having better flame retardant and heat resistance than the outer woven layer and the inner woven layer.

[0011] Optionally, the flame retardant interlayer is cross-linked with the outer braided layer and the inner braided layer by sewing or bonding.

[0012] Optionally, the fibers of the flame retardant interlayer are cross-linked with the yarn fibers of the outer braided layer and the inner braided layer in an interwoven manner.

[0013] Optionally, the palm portion or the sleeve portion of the inner woven layer is provided with anti-slip convex patterns.

[0014] Optionally, the cuff of the sleeve portion is a straight cuff or a ribbed cuff, and the end edge of the sleeve portion has a edging, and the edging is sewn on the sleeve portion by the edging cloth.

[0015] Optionally, the end of the sleeve portion is also connected to an extension portion that can be extended to a human wrist or arm, and the length of the extension portion is 10-60 cm.

[0016] Optionally, the flame retardant yarn is a single component or multi-component blended yarn of flame retardant cotton fiber, flame retardant viscose fiber, flame retardant polyester fiber, flame retardant nylon fiber, flame retardant polypropylene fiber, aramid fiber, and polyimide fiber, or a yarn that is flame retardantly treated by a single component or multi-component blended yarn of cotton fiber, viscose fiber, polyester fiber, nylon fiber, polypropylene fiber, aramid fiber, and polyimide fiber.

[0017] Compared with the prior art, the present application improves the spinning gloves. The glove blank has an outer woven layer and an inner woven layer woven respectively by flame retardant yarns. The dense double-layer textile structure improves the strength of the textile gloves. A flame retardant interlayer is arranged between the outer woven layer and the inner woven layer to improve the flame retardant and heat insulating properties of the gloves. The flame retardant interlayer is bonded to the outer woven layer and the inner woven layer, and cross-linked with the outer woven layer and the inner woven layer, so that the flame retardant interlayer is always consistent with the textile layer, which can effectively prevent the inner layer from separating and slipping. The part of the flame retardant interlayer located on the palm surface is smaller than the part of the flame retardant interlayer located on the back of the hand, which effectively utilizes the area of ​​the flame retardant interlayer, so that the part of the back of the glove that needs to resist slag and heat insulation can be fully utilized, and the reduction of the flame retardant interlayer on the palm and finger parts can be more flexible, save costs, and avoid the problems of heavy leather gloves, insufficient flexibility and high cost. Compared with leather welding gloves, the present application is lighter in weight and more flexible and convenient to wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the present application, the following is a brief introduction to the relevant drawings. It is understood that the drawings described below are only used to illustrate some implementations of the present application, and ordinary technicians in this field can also obtain many other technical features and connection relationships not mentioned in this article based on these drawings.

[0019] Figure 1 A schematic diagram of the structure of welding protective gloves provided in an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the inner structure of the palm surface of the welding protective glove provided in an embodiment of the present application;

[0021] Figure 3A schematic diagram of the inner layer structure of the back of the hand of the welding protective glove provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of the inner layer structure of the palm surface of another embodiment of the welding protective gloves provided in the embodiment of the present application;

[0023] Figure 5 A schematic structural diagram of an embodiment of the welding protective gloves provided in the embodiment of the present application;

[0024] Figure 6 A partial cross-sectional schematic diagram of the welding protective gloves provided in an embodiment of the present application;

[0025] 10. Glove body; 11. Finger part; 12. Palm part; 13. Sleeve part; 14. Edge binding; 15. Extension part 15; 101. Outer braided layer; 102. Inner braided layer; 103. Flame retardant interlayer. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0029] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0031] First embodiment

[0032] In the first embodiment of the present application, a welding protective glove is provided. Figure 1 As shown, the welding protective gloves have a glove body 10, which is an integrally molded woven structure in the shape of a palm, and the glove body 10 is woven from flame-retardant yarns and can have a certain flame-retardant effect.

[0033] In this embodiment, the glove blank 10 is a dense double-layer knitted structure, that is, the glove blank 10 is formed by knitting a double layer of flame-retardant yarn, the knitted layer located on the outside of the glove blank 10 is the outer knitted layer 101, and the knitted layer located on the inside of the glove blank 10 is the inner knitted layer 102. The double-layer structure formed by the outer knitted layer 101 and the inner knitted layer 102 increases the strength of the glove blank 10 to a certain extent, which is beneficial to improving the durability of the glove blank 10 and preventing it from being easily damaged.

[0034] Preferably, the flame-retardant yarn of this embodiment is a flame-retardant single yarn or mixed yarn, for example, it can be a single component or multi-component blended yarn of flame-retardant cotton fiber, flame-retardant viscose fiber, flame-retardant polyester fiber, flame-retardant nylon fiber, flame-retardant polypropylene fiber, aramid fiber, and polyimide fiber.

[0035] Of course, the flame retardant yarn can also be a flame retardant yarn made of single component or multi-component blended yarn of cotton fiber, viscose fiber, polyester fiber, nylon fiber, polypropylene fiber, aramid fiber, polyimide fiber. This embodiment does not limit the material of the flame retardant yarn.

[0036] like Figure 6 As shown, it is worth mentioning that the present embodiment also has a flame retardant interlayer 103, which is arranged between the outer braided layer 101 and the inner braided layer 102, and the flame retardant interlayer 103 is respectively bonded to the outer braided layer 101 and the inner braided layer 102.

[0037] In this embodiment, the flame retardant interlayer 103 is a flame retardant and heat insulating fabric. The flame retardant interlayer 103, the outer braided layer 101 and the inner braided layer 102 form a sandwich structure, which not only further improves the strength of the glove blank 10, but also enables the glove to have better heat insulation performance. The flame retardant interlayer 103 cooperates with the outer braided layer 101 and the inner braided layer 102 to play an effective anti-melt droplet effect.

[0038] As is known to all, a lot of sparks will be generated during electric welding. The continuous sparks that impact the gloves can easily penetrate the gloves and hurt the human body. The flame-retardant interlayer 103 is arranged in the double-layer knitted structure of the present embodiment, which can effectively block sparks and molten droplets to prevent the gloves from being burned. At the same time, the flame-retardant interlayer 103 can effectively block heat to prevent the gloves from being overheated and scalding the hands. Wearing the gloves can provide a suitable working temperature for the hands of electric welders, which is conducive to improving the efficiency of electric welding work and ensuring the safety of personnel.

[0039] The flame retardant interlayer 103 in this embodiment is made of a material having flame retardant and heat-resistant properties better than the outer braided layer 101 and the inner braided layer 102 . Preferably, the flame retardant interlayer 103 is made of a woven fabric with a higher flame retardant and heat-resistant coefficient.

[0040] The woven fabric mentioned in this embodiment is formed by interlacing yarns in the warp and weft directions in the form of a shuttle loom. The weave generally includes three categories: plain weave, twill weave and satin weave and their variations. The woven fabric is firm, crisp and not easy to deform due to the interlacing of warp and weft. Therefore, the woven fabric, as the interlayer fabric between the outer woven layer 101 and the inner woven layer 102, effectively improves the structural strength of the glove blank 10 and significantly improves the flame retardant and heat-resistant effect.

[0041] Of course, the flame retardant interlayer 103 of the present embodiment is not limited to woven fabrics, and may also be fabrics woven in other forms or other flame retardant and heat insulating materials, which is not the only limitation here.

[0042] In this embodiment, when the flame retardant interlayer 103 is respectively attached to the outer braided layer 101 and the inner braided layer 102, the flame retardant interlayer 103 is also respectively cross-linked with the outer braided layer 101 and the inner braided layer 102; the flame retardant interlayer 103 is respectively cross-linked with the outer braided layer 101 and the inner braided layer 102, so that the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102 are relatively fixed, so as to prevent the flame retardant interlayer 103 from separating from the outer braided layer 101 and the inner braided layer 102 to generate a gap, prevent relative movement between the layers, and ensure the structural stability of the gloves.

[0043] In one embodiment, the flame retardant interlayer 103 is cross-linked with the outer braided layer 101 and the inner braided layer 102 by sewing, or the flame retardant interlayer 103 is cross-linked with the outer braided layer 101 and the inner braided layer 102 by bonding.

[0044] By sewing or bonding, the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102 have multiple cross-linking points, which effectively prevents the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102 from sliding relative to each other.

[0045] Since the gloves are often bent during activities when worn, the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102 are easily separated from each other and gaps are formed after many bends. Therefore, the cross-linking points between the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102 can be arranged relatively densely, and the distance between adjacent cross-linking points should be reduced.

[0046] In some embodiments, the flame retardant interlayer 103, the outer braided layer 101 and the inner braided layer 102 should all have rough surfaces to ensure that the flame retardant interlayer 103 has greater friction resistance with the surfaces of the outer braided layer 101 and the inner braided layer 102, effectively preventing slippage between the layers.

[0047] In another embodiment, the fibers of the flame retardant interlayer 103 are cross-linked with the yarn fibers of the outer braided layer 101 and the inner braided layer 102 in an interwoven manner, that is, during the weaving process of the glove blank 10, the flame retardant interlayer 103 is interlaced with the outer braided layer 101 and the inner braided layer 102, so that the flame retardant interlayer 103, the outer braided layer 101 and the inner braided layer 102 directly form a whole, thereby avoiding gaps or relative movement between the flame retardant interlayer 103 and the outer braided layer 101 and the inner braided layer 102.

[0048] like Figure 2 and Figure 3As shown, the glove blank 10 of this embodiment has a palm surface and a back of the hand, and the palm surface and the back of the hand are almost the same in shape and size. Both the palm surface and the back of the hand are dense double-layer knitted structures formed by an outer knitted layer 101 and an inner knitted layer 102, wherein the flame retardant interlayer 103 is not completely arranged between the entire outer knitted layer 101 and the inner knitted layer 102. In one embodiment, the portion of the flame retardant interlayer 103 located on the palm surface is smaller than the portion of the flame retardant interlayer 103 located on the back of the hand.

[0049] Considering that the palm of the glove needs to grasp the instrument, while the back of the hand faces outward, the back of the hand is more likely to be exposed to the spark droplet environment during the welding process. The flame retardant interlayer 103 area on the back of the glove of this embodiment is larger than the palm area of ​​the glove, which can save energy materials and provide more effective heat insulation protection.

[0050] In one embodiment, Figure 2 and Figure 3 As shown, the palm surface and the back of the hand have a finger area 11, a palm area 12 and a sleeve area 13 respectively, the flame retardant interlayer 103 on the palm surface is located at the sleeve area 13 of the palm surface, and the flame retardant interlayer 103 on the back of the hand is located at the palm area 12 and the sleeve area 13 of the back of the hand.

[0051] Since the flame retardant interlayer 103 is disposed between the outer braided layer 101 and the inner braided layer 102, the thickness of the glove blank 10 is inevitably increased, and the flexibility of the hand is naturally reduced when the glove is worn.

[0052] In this embodiment, the flame retardant interlayer 103 is provided on the palm part 12 and the sleeve part 13 on the back of the hand, which can play a role of heat insulation protection over a larger area. The flame retardant interlayer 103 is provided on the sleeve part 13 on the palm side, which can protect the wrist part and ensure the safety of the operator. The palm part 12 and the palm part 12 on the palm side are not provided with the flame retardant interlayer 103. Firstly, the thickness of the gloves can be reduced, which is convenient for wearing and grasping the gloves and also convenient for the movement of each finger. Secondly, materials can be saved and the cost of the gloves can be reduced.

[0053] In one embodiment, the palm portion 12 or the sleeve portion 13 of the inner knitted layer 102 is provided with anti-slip convex patterns to prevent the gloves from falling off when being worn.

[0054] Preferably, the anti-slip convex pattern may be a silicone ring arranged on the surface of the inner braided layer 102, and of course, it may also be a cloth with greater friction resistance.

[0055] The anti-skid convex pattern is preferably arranged at the intersection of the palm portion 12 and the sleeve portion 13, so that it can just contact the vicinity of the wearer's wrist and play an effective anti-skid role.

[0056] like Figure 1As shown, in one embodiment, the end edge of the sleeve portion 13 of the welding protective glove has an edge 14, and the edge 14 is sewn on the sleeve portion 13 by an edge cloth to ensure the structural stability of the glove body 10 and prevent the edge portion from splitting and bifurcation.

[0057] In one embodiment, the cuff of the sleeve portion 13 is a straight cuff to facilitate the wearing of the gloves, or the cuff of the sleeve portion 13 can also be a ribbed cuff, which can fit the wearer's arm to ensure that the gloves can be worn stably and are not easy to fall off.

[0058] Second embodiment

[0059] This embodiment provides a welding protective glove, which is a further improvement made on the basis of the above-mentioned first embodiment.

[0060] The structure of the welding protective gloves of this embodiment is the same as that of the above embodiment, except that the flame retardant interlayer 103 is provided not only at the cuff portion 13 on the palm surface of the glove blank 10 of this embodiment, but also at the finger portion 11 on the palm surface.

[0061] like Figure 4 As shown, the flame retardant interlayer 103 on the palm surface is also arranged at the fingertips of the finger part 11. Since the fingers are in frequent and direct contact with the working environment, the fingers are easily burned when grasping objects. Therefore, the flame retardant interlayer 103 is arranged at the fingertips of the finger part 11 to effectively protect the fingers and prevent them from being burned.

[0062] In one embodiment, the flame retardant interlayer 103 is not only arranged at the fingertips of the finger part 11, but can also be arranged at the palm part 12, such as the base of the palm part 12, which is conducive to the palm grasping objects.

[0063] Furthermore, in one embodiment, the flame retardant interlayer 103 may also extend from the fingertips of the finger portion 11 to the palm portion 12, thereby effectively protecting the entire fingers on the palm surface.

[0064] Third embodiment

[0065] This embodiment provides a welding protective glove, which can be another improvement of the first and second embodiments mentioned above.

[0066] The structure of the welding protective gloves of this embodiment is the same as that of the above-mentioned embodiment. The glove blank 10 has a finger portion 11, a palm portion 12 and a sleeve portion 13. The difference is that in this embodiment, an extension portion 15 that can be extended to the wrist or arm of a human body is also connected to the end of the sleeve portion 13.

[0067] like Figure 5As shown, the extension portion 15 may include a wrist portion or an arm portion, and the extension portion 15 may include an outer woven layer 101 and an inner woven layer 102 and an interlayer fabric sandwiched therebetween, and the interlayer fabric may be a flame-retardant interlayer 103 .

[0068] When worn, the user's arm can be fully extended into the glove, which can protect and insulate the entire arm.

[0069] In this embodiment, the length of the extension part 15 is 10-60 cm, and the length of the entire glove can be 20-80 cm. The length of the extension part 15 can be designed according to the actual needs of the wearer.

[0070] It is obvious to those skilled in the art that the present application is not limited to the details of the exemplary embodiments described above, and that the present application can be implemented in other specific forms without departing from the spirit or essential features of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present application. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A welding protective glove, characterized in that: include: A glove blank (10) comprising an outer braided layer (101) and an inner braided layer (102) respectively braided from flame-retardant yarns, and the glove blank (10) comprises a palm side and a back side; A flame retardant interlayer (103) is arranged between the outer braided layer (101) and the inner braided layer (102), and is respectively bonded to the outer braided layer (101) and the inner braided layer (102); the flame retardant interlayer (103) is respectively cross-linked to the outer braided layer (101) and the inner braided layer (102); Wherein, the portion of the flame retardant interlayer (103) located on the palm surface is smaller than the portion of the flame retardant interlayer (103) located on the back surface of the hand.

2. The welding protective gloves according to claim 1, characterized in that: The palm surface and the back of the hand respectively have a finger area (11), a palm area (12) and a sleeve area (13); the flame retardant interlayer (103) on the palm surface is located at the sleeve area (13) of the palm surface; and the flame retardant interlayer (103) on the back of the hand is located at the palm area (12) and the sleeve area (13) of the back of the hand.

3. The welding protective gloves according to claim 2, characterized in that: The flame retardant interlayer (103) on the palm surface is also located at the fingertips of the finger area (11) on the palm surface.

4. The welding protective gloves according to any one of claims 1 to 3, characterized in that: The flame retardant interlayer (103) is a woven fabric having flame retardant and heat resistance properties superior to those of the outer woven layer (101) and the inner woven layer (102).

5. The welding protective gloves according to claim 4, characterized in that: The flame retardant interlayer (103) is cross-linked with the outer braided layer (101) and the inner braided layer (102) by sewing or bonding.

6. The welding protective gloves according to claim 4, characterized in that: The fibers of the flame-retardant interlayer (103) are cross-linked with the yarn fibers of the outer braided layer (101) and the inner braided layer (102) in an interwoven manner.

7. The welding protective gloves according to claim 2, characterized in that: The palm area (12) or the sleeve area (13) of the inner braided layer (102) is provided with anti-slip convex patterns.

8. The welding protective gloves according to claim 2, characterized in that: The cuff of the sleeve portion (13) is a straight cuff or a ribbed cuff, and the end edge of the sleeve portion (13) has a binding edge (14), and the binding edge (14) is sewn on the sleeve portion (13) by the binding edge cloth.

9. The welding protective gloves according to claim 2, characterized in that: The end of the sleeve portion (13) is also connected to an extension portion (15) that can be extended to a human wrist or arm, and the length of the extension portion (15) is 10-60 cm.

10. The welding protective gloves according to claim 1, characterized in that: The flame retardant yarn is a single component or multi-component blended yarn of flame retardant cotton fiber, flame retardant viscose fiber, flame retardant polyester fiber, flame retardant nylon fiber, flame retardant polypropylene fiber, aramid fiber, and polyimide fiber, or a yarn obtained by flame retardant treatment of a single component or multi-component blended yarn of cotton fiber, viscose fiber, polyester fiber, nylon fiber, polypropylene fiber, aramid fiber, and polyimide fiber.