CN220403202U - Breathable helmet and helmet lining forming die - Google Patents

Abstract

The utility model provides a breathable helmet and a forming die for a helmet liner, wherein the breathable helmet comprises a helmet body, a connecting colloid and an air fiber liner, the air fiber liner consists of unordered fiber filaments and air gaps, and the air fiber liner is fixedly attached to the surface of an inner cavity of the helmet body through the connecting colloid. The breathable helmet provided by the utility model adopts the air fiber lining with good air permeability, can provide comfortable elastic support, is not sultry after being worn for a long time, and has the advantages of no sweat absorption, no water absorption, ventilation, mildew resistance, easiness in cleaning and comfort when being applied to helmets of shared electric vehicles, bicycles or motorcycles. In addition, wear this ventilative helmet inside lining and receive the collision if take place to fall down and lead to the head to receive at the in-process of riding, crisscross cellosilk in the air fiber inside lining can elastic deformation for the head produces certain action of sliding, thereby realizes the cushioning effect to the collision that the person's head receives, reduces the injury of rotatory impact force to the head when colliding.

Description

Breathable helmet and helmet lining forming die

Technical Field

The utility model belongs to the technical field of helmet manufacturing, and particularly relates to a breathable helmet and a helmet lining forming die.

Background

At present, the traditional riding helmets for bicycles, electric vehicles and motorcycles are generally characterized in that the inner lining of the helmets is composed of sponge and cloth, and a combination mode of outer cloth and inner sponge is adopted. The sponge cloth combined helmet has poor air permeability, and when the helmet is used in hot weather, especially in summer in the south, a rider can feel that the head of the helmet is very stuffy and intolerable, so that the use comfort, the season suitability and the user experience of the riding helmet are reduced. In addition, when riding helmets are frequently used by a plurality of people as a matched helmet for sharing an electric vehicle, the sponge cloth combined helmet is easy to absorb a large amount of sweat and attach head oil, so that the sanitary problems that the lining of the helmet is difficult to clean, and the helmet is easy to mildew and the like are caused. In summary, a lot of riding helmet manufacturers for sharing electric vehicles discard the use of the sponge lining, and how to provide a riding helmet with strong ventilation, cleanness, sanitation and easy cleaning, which is a technical problem to be solved in the field.

Disclosure of Invention

The utility model provides a breathable helmet and a helmet lining forming die, which aim to solve the technical problem that the ventilation property and the sanitation property of the helmet are poor due to the fact that a sponge cloth lining is used in the riding helmet in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a breathable helmet, which comprises a helmet body and further comprises:

the air fiber lining consists of unordered fiber filaments and air gaps, and is fixedly attached to the inner cavity surface of the helmet body through the connecting colloid.

Preferably, the connection colloid is a gluing layer formed by an adhesive, one surface of the gluing layer is adhered to the air fiber lining, and the other surface of the gluing layer is adhered to the inner cavity surface of the helmet body.

Preferably, the connecting colloid is an elastic adhesive tape, and two ends of the elastic adhesive tape are respectively provided with a pair of lantern rings correspondingly; the breathable helmet further comprises:

the helmet comprises a helmet body, a plurality of rivets and a plurality of rivet mounting seats, wherein the rivet mounting seats are arranged at intervals, a plurality of counter sunk holes matched with the shapes of the rivets and the positions of the rivet mounting seats are formed in an air fiber lining, the elastic adhesive tape is respectively sleeved on the pair of rivets in a corresponding mode through a pair of lantern rings, when the pair of rivets are respectively riveted to the pair of rivet mounting seats which are adjacently arranged in a corresponding mode, the pair of lantern rings corresponding to the elastic adhesive tape are respectively and correspondingly abutted between top cap ends and the counter sunk holes of the pair of rivets, and the air fiber lining is bound and attached to the inner cavity surface of the helmet body through the elastic adhesive tape.

Preferably, the adhesive is a hot melt adhesive, a double sided adhesive or glue.

Preferably, the rivet is a mushroom nail, the rivet mounting seat is a mushroom nail mounting seat, the mushroom nail mounting seat is provided with a ball head bayonet matched with the shape of the ball head end of the mushroom nail, and the mushroom nail is riveted on the mushroom nail mounting seat through the matching of the ball head end and the ball head bayonet.

Preferably, the thickness of the glue layer is 0.03-2mm.

Preferably, the thickness of the air fibre lining is 2-20mm.

Preferably, the filaments are solid or hollow tubular.

Preferably, a plurality of air fiber liners are distributed on top of the inner cavity surface, front and rear sides, and left and right sides of the helmet body.

The utility model also provides a helmet lining forming die, which is used for forming the air fiber lining of the breathable helmet, and comprises the following components:

the outer contour of the male die is matched with the contour of the inner cavity surface of the helmet body, the contour of the cavity surface of the female die is matched with the outer contour of the male die, and the distance between the cavity surface and the outer contour of the male die is the thickness value of the air fiber lining when the helmet lining forming die is used for hot pressing, so that the air fiber lining with certain thickness and the contour of the curved surface matched with the contour of the inner cavity surface of the helmet body can be manufactured after layered air fibers are put into the helmet lining forming die for hot pressing.

Compared with the prior art, the utility model has the following beneficial effects:

the breathable helmet provided by the utility model adopts the air fiber lining with good air permeability, can provide comfortable elastic support, is not sultry after being worn for a long time, and has the advantages of no sweat absorption, no water absorption, ventilation, mildew resistance, easiness in cleaning and comfort when being applied to helmets of shared electric vehicles, bicycles or motorcycles. In addition, wear this ventilative helmet inside lining and receive the collision if take place to fall down and lead to the head to receive at the in-process of riding, crisscross cellosilk in the air fiber inside lining can elastic deformation for the head produces certain action of sliding, thereby realizes the cushioning effect to the collision that the person's head receives, reduces the injury of rotatory impact force to the head when colliding.

Drawings

In order to more clearly illustrate the technical solutions proposed by the present utility model, the following detailed description is made with reference to the examples and the accompanying drawings, it being understood that the drawings in the following description are only some examples of the present utility model and that the variations of these drawings are possible under the concept of the present utility model for those of ordinary skill in the art.

Fig. 1 is a schematic front view of a first embodiment of a breathable helmet according to the present utility model;

FIG. 2 is a schematic cross-sectional structural view of the breathable helmet of FIG. 1;

FIG. 3 is a schematic view of the structure of the area A in FIG. 2 in a partially enlarged manner;

fig. 4 is a schematic perspective view of a ventilation helmet according to an embodiment of the present utility model;

fig. 5 is a schematic front view of a first embodiment of a breathable helmet according to the present utility model;

fig. 6 is a schematic front view of a ventilation helmet according to a second embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of the breathable helmet of FIG. 6, taken along the B-B direction.

Wherein, each reference numeral in the figure mainly marks:

1. a helmet body; 11. the surface of the inner cavity; 2. an air fiber liner; 21. a fiber yarn; 22. an air gap; 23. a countersunk hole; 3. connecting colloid; 31. a glue layer; 32. an elastic tape; 321. a collar; 4. a rivet; 41. a top cap end; 42. a ball end; 5. a rivet mounting seat; 51. ball bayonet.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to fig. 1-6 and embodiments.

Referring to fig. 1 to 6, the breathable helmet provided by the present utility model includes a helmet body, and further includes:

the air fiber inner liner 2 is formed by air gaps 22 (namely air gaps) formed between unordered fiber filaments 21 and fiber filaments 21, and the air fiber inner liner 2 is fixedly attached to the inner cavity surface 11 of the helmet body 1 through the connecting colloid 3.

When the breathable helmet is worn on the head of a rider, the air fiber lining 2 attached to the inner cavity surface 11 of the breathable helmet is in direct contact with the head of the rider, so that the problem that the head is uncomfortable due to direct contact of the inner ring surface of the breathable helmet with the head of the rider is avoided, meanwhile, the air fiber lining 2 occupies a larger volume of the air gap 22 space, the head of the rider can ventilate, ventilate and exchange heat with the external environment through the air gap 22 of the air fiber lining 2, sweat on the head of the rider can be quickly air-dried in hot days, and the sanitary problems that the head is stuffy and uncomfortable due to long-term wearing of the sponge cloth lining helmet, the lining is easy to absorb sweat and attach head oil, and the lining is difficult to clean and easy to mildew are avoided. In addition, this ventilative helmet can also form the elastic support to ventilative helmet through air fiber inside lining 2 at the person's head of riding, if the person of riding takes place to fall down and lead to the head to receive collision, when assault at the in-process of riding, crisscross cellosilk 21 in the air fiber inside lining 2 can take place elastic deformation for the head produces certain action of sliding, thereby realizes the cushioning effect to the collision that the person's head receives, impact force, reduces the injury of rotatory impact force to the head when colliding.

Referring to fig. 1-5, in a first embodiment of the breathable helmet provided by the present utility model, the connection colloid 3 is a glue layer 31 formed by an adhesive, one surface of the glue layer 31 is adhered to the air fiber lining 2, and the other surface of the glue layer 31 is adhered to the inner cavity surface 11 of the helmet body 1, that is, the air fiber lining 2 is adhered to the inner cavity surface 11 of the helmet body 1 through the glue layer 31.

In this embodiment, the adhesive is a hot melt adhesive, a double sided adhesive, or glue. Specifically, various hot melt adhesives, double faced adhesives (3M double faced adhesive tape, acrylic double faced adhesive tape, PET double faced adhesive tape, PE foam double faced adhesive tape, etc.) or glues may be used as the adhesive, and the glue layer 31 (the connection glue 3) for connecting the air fiber lining 2 and the inner cavity surface 11 of the helmet body 1 is formed by painting or double faced bonding.

In this embodiment, the thickness of the glue layer 31 is 0.03-2mm. When the adhesive layer 31 is formed by acrylic double sided adhesive, acrylic double sided adhesive with a thickness of 0.4mm is preferably used to adhere between one side of the air fiber lining 2 and the inner cavity surface 11 of the helmet body 1. The double-sided adhesive tape with the thickness of 0.4mm is preferable, and firstly, the double-sided adhesive tape is prevented from being too thin to cause too low bonding strength, and secondly, the double-sided adhesive tape is prevented from being too thick to cause too high cost.

Referring to fig. 6 and 7, in a second embodiment of the breathable helmet provided by the present utility model, the connection colloid 3 is an elastic adhesive tape 32, and two ends of the elastic adhesive tape 32 are respectively and correspondingly integrally provided with a pair of elastic collars 321; the breathable helmet further comprises:

a plurality of rivets 4 and a plurality of rivet mounts 5, each rivet 4 being provided in combination with a corresponding rivet mount 5; the rivet installing seats 5 are installed on the helmet body 1 at intervals, the air fiber lining 2 covers the installing positions of the rivet installing seats 5 on the helmet body 1, and the air fiber lining 2 is provided with a plurality of countersunk holes 23 matched with the appearance of the rivets 4 and the positions of the rivet installing seats 5 (namely, the countersunk holes 23 are arranged at the matching positions of the rivet installing seats 5 correspondingly covered by the air fiber lining 2); the elastic adhesive tapes 32 are provided with at least two (when the rivet 4 and the rivet mounting seat 5 are provided with four, the elastic adhesive tapes 32 are provided with two, when the rivet 4 and the rivet mounting seat 5 are provided with six, the elastic adhesive tapes 32 are provided with three), each elastic adhesive tape 32 is respectively sleeved on a pair of rivets 4 through a pair of collars 321 thereof, when the pair of rivets 4 are respectively riveted on the pair of rivet mounting seats 5 adjacently arranged, the pair of collars 321 at the two ends of the corresponding elastic adhesive tapes 32 are respectively abutted between the top cap ends 41 and the pair of countersunk holes 23 of the pair of rivets 4, and the elastic adhesive tapes 32 are stretched and pressed on the inner side surface of the inner cavity surface 11 of the helmet body 1, which is opposite to the air fiber lining 2, by the pair of rivets 4, so that the elastic adhesive tapes 32 bind and attach the air fiber lining 2 on the inner cavity surface 11 of the helmet body 1.

Referring to fig. 7, as a preferred implementation manner of the present embodiment, the rivet 4 is a mushroom nail with a spherical head, the rivet mounting seat 5 is a mushroom nail mounting seat, the mushroom nail mounting seat is provided with a ball head bayonet 51 matching with the shape of the ball head end 42 of the mushroom nail, and the mushroom nail is riveted to the mushroom nail mounting seat through the cooperation of the ball head end 42 and the ball head bayonet 51.

Referring to fig. 7, in this embodiment, the helmet body 1 is provided with a mounting groove matching with the shape of the rivet mounting seat 5, and the rivet mounting seat 5 is preferably made of plastic and is fixedly mounted in the helmet inner shell by an integral molding manner.

As a common embodiment of the first and second embodiments of the breathable helmet provided by the present utility model, the fiber yarn 21 of the air fiber liner 2 is prepared by adding 5-80% of a resin material such as PE to TPEE or TPE or TPU or POE or PE polyethylene or POE resin. As a preferred embodiment, the fiber filaments 21 are made of food-grade POE material, so that the fiber filaments are harmless to human skin for a long time and have environmental protection performance.

As a common embodiment of the first and second embodiments of the breathable helmets provided by the present utility model, the stiffness of the filaments 21 of the air fiber liner 2 is 10-90D, preferably 28D. The fiber yarn 21 with the hardness of 28D is preferred, firstly, the situation that the air fiber lining 2 is softer and has insufficient supporting property due to the too low hardness of the fiber yarn 21 is avoided, and secondly, the situation that the air fiber lining 2 is harder, has poor flexibility and elasticity due to the too high hardness of the fiber yarn 21 is avoided, and further, the comfort is not strong is caused, namely, the 28D is a priority scheme of the fiber yarn 21 after the hardness is balanced with the supporting property and the softness/comfort.

As a common embodiment of the first and second embodiments of the breathable helmets provided by the present utility model, the fiber filaments 21 are solid or hollow tubular. When the fiber diameter is less than 0.8mm, the solid fiber structure can provide better comfort; when the diameter of the fiber yarn is larger than 1mm, if the fiber yarn is hollow tubular, the softness and comfort of the fiber yarn can be improved.

As a common embodiment of the first and second embodiments of the breathable helmets provided by the present utility model, the fiber filaments 21 of the air fiber liner 2 have a diameter of 0.05-2mm, preferably 0.45mm. The fiber yarn 21 with the diameter of 0.45mm is preferable, firstly, the fiber yarn 21 is made to be relatively thin in yarn diameter and good in flexibility and elastic effect, and secondly, the too thin yarn diameter and the reduction of supporting property of the fiber yarn 21 are avoided, namely, the fiber yarn 21 with the diameter of 0.45mm is a preferable scheme after the elastic effect and the strength of a yarn body are balanced.

As a common embodiment of the first and second embodiments of the breathable helmets provided by the present utility model, the thickness of the air fiber liner 2 is 2-20mm, preferably 8-10mm. The fiber yarn 21 with the preferred thickness of 8-10mm is firstly used for avoiding uncomfortable wearing of the breathable helmet caused by too low thickness of the air fiber lining 2, secondly used for simultaneously avoiding too high thickness of the air fiber lining 2, and causing the air fiber lining 2 to be fixedly attached to the inner cavity surface 11 of the breathable helmet to occupy too much volume of the inner cavity of the helmet, so that the head of a rider is inconvenient to wear, and the thickness of the air fiber lining is suitable at 8-10mm, namely 8-10mm is a preferred scheme for balancing wearing comfort and wearing convenience of the thickness of the air fiber lining 2.

As a common implementation mode of the first embodiment and the second embodiment of the breathable helmet provided by the utility model, fiber filaments 21 in the air fiber lining 2 are randomly and alternately distributed and are porous, and air (namely, air gaps 22) accounts for 50-99.8% of the volume of the air fiber lining 2, and preferably 80-98%. The air fiber liner 2 with the air volume ratio of 80% -98% is preferable in order to make the air volume ratio of the air fiber liner 2 as high as possible, thereby reducing the density of the air fiber liner 2 as much as possible, further reducing the overall mass of the air fiber liner 2 and the ventilation helmet, and reducing the wearing burden of a rider.

As a common embodiment of the first and second embodiments of the breathable helmets provided by the present utility model, the density of the air fiber liner 2 is 20-150g/L, preferably 50g/L. The air fiber lining 2 with the density of 50g/L is preferable, firstly, the defect that the air fiber lining 2 is insufficient in support caused by too low density is avoided, and secondly, the defect that the air fiber lining 2 is harder and the wearing comfort is reduced due to too high density of the air fiber lining 2 is avoided, namely, 50g/L is a preferable scheme that the support and the wearing comfort are balanced by the density of the air fiber lining 2.

As a common embodiment of the first and second embodiments of the breathable helmet provided by the present utility model, the air fiber lining 2 may be provided only one (when the area of the air fiber lining 2 covering the inner cavity surface 11 of the helmet body 1 is large), and the single air fiber lining 2 having a large covering area may be fixedly attached to any one of the top, front and rear sides, or left and right sides of the inner cavity surface 11 of the helmet body 1.

As a common embodiment of the first and second embodiments of the breathable helmet provided by the present utility model, a plurality of air fiber liners 2 are provided, and the plurality of air fiber liners 2 are fixedly attached and distributed on all or part of the top, front and rear sides, and left and right sides of the inner cavity surface 11 of the helmet body 1.

As a common implementation mode of the first embodiment and the second embodiment of the breathable helmet provided by the utility model, the breathable helmet is a riding helmet, preferably a riding helmet matched with a shared electric vehicle, and also can be a riding helmet matched with a bicycle or a motorcycle.

The present utility model also provides a helmet liner forming mold (not shown in the drawings) for forming the air fiber liner 2 of the breathable helmet, the helmet liner forming mold comprising:

the outer surface profile of the male die is processed to be matched with the outer surface profile of the male die according to the inner cavity surface 11 profile of the helmet body 1, the outer surface profile of the female die is matched with the outer surface profile of the male die, and when the helmet lining forming die is used for hot pressing, the distance between the outer surface profile of the male die and the inner surface profile of the female die is a thickness value of the air fiber lining 2 (the thickness value is preferably 8-10mm, namely, the outer surface size of the female die is 8-10mm deeper than the outer surface profile size of the male die when the helmet lining forming die is used for hot pressing), so that the air fiber lining 2 with a certain thickness and a curve profile matched with the inner cavity surface 11 profile of the helmet body 1 can be manufactured after layered air fibers are put into the inner cavity of the helmet lining forming die for hot pressing. The layered air fiber may be a commercially available layered air fiber product, and will not be described in detail herein.

Taking the adhesive layer 31 formed by the acrylic double sided adhesive tape as the connecting adhesive 3 as an example, one manufacturing method of the breathable helmet provided by the utility model comprises the following steps:

s1: respectively processing and manufacturing a male die with an appearance outline matched with the outline of the inner cavity surface 11 of the helmet body 1 and a female die with a cavity surface outline matched with the appearance outline of the male die and a cavity surface size of the female die being 10mm deeper than the appearance outline size of the male die during hot pressing according to the outline of the inner cavity surface 11 of the helmet body 1, and forming a helmet lining forming die;

s2: selecting laminar air fibers (specific numerical values can be selected in the range provided above) with certain fiber yarn 21 materials, shapes, diameters, hardness, overall thickness, air volume ratio and density, cutting the laminar air fibers into the sizes which are in accordance with the inner cavity surface 11 of the helmet body 1 (the specific sizes can meet the requirement that a single air fiber lining 2 integrally covers the inner cavity surface 11 of the helmet body 1 and also can meet the requirement that a plurality of air fiber linings 2 are distributed on the top, front side, rear side and left side and right side of the inner cavity surface 11 of the helmet body 1), putting the cut laminar air fibers into a cavity of a helmet lining forming die, and heating to 95 ℃ for 5-120 seconds to obtain the air fiber lining 2 with the thickness of 10mm and with the curved surface profile and the coverage area matched with the profile of the inner cavity surface 11 of the helmet body 1;

s3: cutting acrylic double faced adhesive tape into strip with the width of 12mm and the length of 35mm, adhering a plurality of adhesive surfaces of acrylic double faced adhesive tape to the position where the air fiber inner liner 2 needs to be adhered on the inner cavity surface 11 of the helmet body 1, tearing off the release film on the other surface of the acrylic double faced adhesive tape, and fixing and adhering a single air fiber inner liner 2 to the inner cavity surface 11 of the helmet body 1 according to actual requirements, or fixing and adhering a plurality of air fiber inner liners 2 to the top, the front two sides and the left and right two sides of the inner cavity surface 11 of the helmet body 1, and finally pressing the air fiber inner liners 2 by hands, so that the air fiber inner liners 2 and the inner cavity surface 11 of the helmet are adhered more firmly, thereby preparing the breathable helmet with the breathable inner liner, non-stuffy and easy to clean.

In other embodiments, when hot melt glue or glue is selected as the adhesive to form the glue layer 31 (the connection glue 3) for connecting the air fiber liner 2 and the inner cavity surface 11 of the helmet body 1, the above step S3 is replaced by a step of heating the hot melt glue to form the glue layer 31 (the connection glue 3) and then attaching, or a step of glue coating to form the glue layer 31 (the connection glue 3) and then attaching.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A breathable helmet comprising a helmet body, characterized in that it further comprises:

the air fiber lining comprises unordered fiber filaments and air gaps, and the air fiber lining is fixedly attached to the inner cavity surface of the helmet body through the connecting colloid.

2. The breathable helmet of claim 1, wherein said attachment gel is a glue layer of adhesive, one side of said glue layer being bonded to said air fiber liner, and the other side of said glue layer being bonded to the inner cavity surface of said helmet body.

3. The breathable helmet according to claim 1, wherein said connecting gel is an elastic tape, and a pair of collars are respectively provided at both ends of said elastic tape; the breathable helmet further comprises:

the helmet comprises a helmet body, a plurality of rivets and a plurality of rivet mounting seats, wherein the rivet mounting seats are arranged at intervals, the air fiber lining is provided with a plurality of countersunk holes matched with the shape of the rivets and the positions of the rivet mounting seats, the elastic adhesive tape is respectively sleeved on a pair of rivets in a corresponding mode through a pair of lantern rings, when the rivets respectively pass through the rivet mounting seats in the adjacent mode, the lantern rings of the elastic adhesive tape are respectively abutted between top cap ends and the countersunk holes of the rivets, and the air fiber lining is bound and attached to the inner cavity surface of the helmet body through the elastic adhesive tape.

4. The breathable helmet of claim 2, wherein said adhesive is a hot melt adhesive, a double sided adhesive, or glue.

5. A breathable helmet according to claim 3 wherein the rivet is a mushroom peg and the rivet mount is a mushroom peg mount provided with a ball head bayonet matching the shape of the ball head end of the mushroom peg, the mushroom peg being riveted to the mushroom peg mount by its ball head end engaging the ball head bayonet.

6. The breathable helmet of claim 2, wherein said glue layer has a thickness ranging from 0.03 to 2mm.

7. The breathable helmet of any one of claims 1-6, wherein said air fiber inner liner has a thickness of 2-20mm.

8. The breathable helmet of any one of claims 1-6, wherein said filaments are solid or hollow tubular.

9. The breathable helmet of any one of claims 1-6, wherein a plurality of air fiber liners are distributed on top of the inner cavity surface, front and back sides, and left and right sides of the helmet body.

10. A helmet liner forming mold for forming an air fiber liner of a breathable helmet according to any one of claims 1 to 9, the helmet liner forming mold comprising:

the outer surface profile of the male die is matched with the profile of the inner cavity surface of the helmet body, the profile of the cavity surface of the female die is matched with the outer surface profile of the male die, and the distance between the cavity surface and the outer surface profile of the male die is the thickness value of the air fiber lining when the helmet lining forming die is used for hot pressing, so that the air fiber lining with a certain thickness and the profile of the curved surface matched with the profile of the inner cavity surface of the helmet body can be manufactured after layered air fibers are put into the helmet lining forming die for hot pressing.