CN1889863A

CN1889863A - Protective helmet

Info

Publication number: CN1889863A
Application number: CNA2004800357780A
Authority: CN
Inventors: 西蒙·彼得·史密斯; 马丁·格尔德索普
Original assignee: Helmet Integrated Systems Ltd
Current assignee: Helmet Integrated Systems Ltd
Priority date: 2003-10-07
Filing date: 2004-10-07
Publication date: 2007-01-03
Anticipated expiration: 2024-10-07
Also published as: DE602004015484D1; GB0323437D0; ES2311850T3; AU2004280117A1; US20070056071A1; EP1670329B1; HK1087897A1; CA2542086A1; WO2005034667A1; ZA200602879B; CN100551286C; ATE402624T1; NZ546880A; DK1670329T3; EP1670329A1; FR2860400A1; FR2860400B1

Abstract

A firefighter's helmet comprising an inner protective shell configured to be worn on its own as a helmet and an outer protective shell configured to be fitted over the inner shell and realisably retained thereon, comprising retaining mechanism for retaining the inner shell in the outer shell, wherein the retaining mechanism is moveable by a user whilst wearing the inner shell between a first position in which the retaining mechanism engages a said shell substantially to prevent relative movement between the two shells; and a second position in which the retaining mechanism permits relative movement of the shells whereby allowing the donning or doffing of the outer shell by the user.

Description

Crash helmet

Technical field

The present invention relates to crash helmet, particularly fire fighter's the helmet.

Background technology

Existing fire fighter's the helmet comprises: from the protecting sheathing body of formation such as impact resistant plastics, it is used to protect the wearer to prevent the fragment (debris) that often falls from the building danger of burning.In order also to protect the wearer to avoid heat and Mars that fire sends, the helmet comprises face helmet (visor) and neck protection device, with protection wearer's head, face and neck.

There is such situation to exist: all protection effects that do not need fire hat.For example, the fire fighter may provide salvage service in other the urgent place that does not have breaking out of fire.So bigger fire hat will be inconvenient, but head protection is still necessary.Especially, under the situation of road traffic accident, when the fire fighter may work in limited space, for example within impaired vehicle, heaume may be an obstacle.In these cases, often find that the fire fighter removes their helmet simply, and they are exposed to unnecessary danger.The preferred embodiment of this invention attempts to provide the solution to this problem.

Although some two-layer helmets have been suggested be used to address this problem, on wearers head, wear the inside and outside helmet securely and the wearer is provided for breaking away from outside the friendly mechanism difficulty relatively of the helmet.

Summary of the invention

According to this invention, a kind of firefighter helmets is provided, comprising: interior protection housing, described interior protection housing is configured to independently to be worn as the helmet; Outer protection housing; described outer protection housing is configured to be enclosed within on the inner housing and also keeps thereon releasedly; comprise maintaining body; described maintaining body is used for keeping inner housing in shell body; it is removable when wherein maintaining body is worn inner housing between the primary importance and the second place by the user; in primary importance; maintaining body cooperates described housing; basically prevent two relative motions between the housing; in the second place; maintaining body allows the relative motion of housing, allows thus to put on or slough described shell body by the user.

Preferably, shell body has outward extending edge or shoulder protector (cape).

The helmet can comprise separator, is used for shell body and inner housing are separated.The described helmet can comprise the face helmet, and described helmet is contained in when not using between inner housing and the shell body.

Maintaining body can be releasedly towards the primary importance bias voltage.Preferably, maintaining body is removable by the user when wearing inner housing, it can be moved to the second place from primary importance like this, is used for allowing shell body is incorporated on the inner housing or with shell body removing from inner housing.Maintaining body can be pivotably connected to the helmet.Maintaining body can be pivotally mounted to bindiny mechanism, and described bindiny mechanism is connected to shell body, and described maintaining body separates from shell body thus.

The interior helmet can comprise the pieceable groove by bindiny mechanism, and when maintaining body was in the second place, bindiny mechanism can be moved through described groove like this, and when maintaining body was in primary importance, bindiny mechanism can not be moved through described groove.The bottom of engaging groove when maintaining body can be in being in primary importance.

Described bindiny mechanism can comprise installed part, is used to allow accessory be installed to the helmet.

Maintaining body can be arranged on the shell body, and in this case, it can engage the bottom of inner housing.

The aforesaid helmet can comprise and be used at least one accessory (accessory) is connected to installed part on the helmet.

Description of drawings

Embodiments of the invention will describe by example and following accompanying drawing now.

Figure 1A has shown the outer helmet;

Figure 1B has shown the interior helmet;

Fig. 2 A, 2B have shown front view and the side view that headpiece case fits together;

Fig. 3 has shown that inner housing locks onto the inner side view in the outer helmet housing;

Fig. 4-7 has shown outer helmet housing, is provided with different detachable accessory and auxiliary equipment;

Fig. 8 has illustrated to show the decomposition view of second embodiment of the outer helmet and the interior helmet, has the bindiny mechanism different with Fig. 1-3;

Fig. 9 has illustrated to show the side perspective view of the bindiny mechanism that is used for fixing the helmet as shown in Figure 8;

Figure 10 has illustrated to show the front view of the bindiny mechanism of Fig. 9;

Figure 11 has illustrated to show the helmet that is joined together;

Figure 12 has illustrated to show the bindiny mechanism that is in the latched position; With

Figure 13 has illustrated to show the bindiny mechanism in being in the unlocked position.

The specific embodiment

Figure 1A, B have shown fire fighter's the helmet, comprise independent inner housing and shell body.The inner housing of Figure 1B (being typically expressed as 10) is worn individually as the shock-resistant helmet.It comprises the outer protection moulded parts (moulding) 12 that fiberglass-reinforced plastic or other impact resistant plastics form, and has other shock-resistant layer within it, and this is known.Net cap (net cap) or the mechanism of liner and by user worn of housing 10 by having headband 14 and chin strap (chinstrap) 16.Also have eyepiece protector 18 and be used for when only wearing inner housing protection fire fighter's eyes.The shell body of Figure 1A (being generally designated as 20) comprises the protection moulded parts 22 that fiberglass-reinforced plastic or other impact resistant plastics form.It has enough big inside to hold inner housing 10.It also has geometrical clamp 26, is used for shell body is remained to inner housing.Shell body has anti-fluid stopping fragment of face and the radiant heat that complete face helmet (full visor) 24 is used to protect the fire fighter.Face helmet 24 is located by the side that linkage 28,30 is pivotably mounted on shell body 20, and described linkage 28,30 is pivotably connected to moulded parts 22 and face helmet 24.With between the pivot on the face helmet and the distance between the pivot on the moulded parts, connecting rod 28,30 forms four bar linkages, and this makes that it covers expanded position and its stowed position of shrinking (stowed position wherein of wearer's face to the face helmet between inner housing and shell body therein; Fig. 2 B) moves between.Use four bar linkages to make relatively large face helmet 24 along surperficial path movement near the interior helmet.Thus, shell body can be enclosed within on the described interior helmet compactly.Eyepiece protector 18 also can pivot on four bar linkages (four-barlinkage), is used for storing within inner housing.But because protector is more shallow, the single-point pivot is just enough.

Can see that from the connection arrow of Figure 1A, 1B shell body is enclosed on the inner housing, retaining clip 26 locks together housing.Housing in their state that locks together is displayed among Fig. 2 A, the 2B.Fig. 2 A has shown the front view of the housing when locking together.Described accompanying drawing has shown the cross section and the whole inner housing 10 of shell body 20.Fig. 2 B has shown in the stowed position between two housings (10,20) side view of the housing that the face helmet 24 with shell body 20 locks together.

The liner (not shown) of the edge 32 of inner housing 12 on the inner surface of more most of splice enclosure body 22 of its girth is except providing the gap to allow by the front portion of face helmet 24.Other liner (not shown) is arranged in the pectination part (comb) 34, is drawn on the inner housing and the retaining clip 26 that engages with shell body when being positioned on the inner housing securely when shell body like this, roughly has the gap of 6mm between them.

With reference to Fig. 3, each retaining clip 26 is arranged in the housing 27 and passes through the outside bias voltage of spring (not shown).Folder 26 can be extruded in its housing 27, slides through folder 26 in the outer helmet 20 with the helmet 10 in allowing.Described folder 26 is tapered, has the effect that pinching is gone in the outer like this helmet slides on the helmet, when the helmet fully together the time, does not need craft to clamp-on like this, and spring will press from both sides 26 gets back to extrusion position so that housing is held in place.The orientation of housing can be seen by the relative positioning of eyepiece protector 18 and face helmet 24 (they are in alignment with each other).

Visible in Fig. 3 equally is net cap 34 (net cap), and described net cap 34 forms the suspension (suspension) of the helmet on wearer's head.Net 34 can be regulated as is known like that, cosily the helmet is worn on wearer's the head in correct position.Especially, with location, the neck the regulated pad 36 front and back helmet of

chin strap

16 and 38 combinations of adjustable forehead pad, eyepiece protector 18 and face helmet 24 are suitably located like this.

Fig. 4 shown have the groove 40 that is used to install breathing equipment, be used for its hide and expanded position between the outer bar 41 of all-moving surface helmet 24.Alternatively, if the base of face helmet 24 can grasp from the hand that shell body stretches out with the band gloves by the fire fighter when hiding, bar 41 can be omitted.

Fig. 5 has shown the neck curtain (neck curtain) 42 that is connected on the shell body 20, prevents the ash that falls or the Additional Protection of ashes to provide.

Fig. 6 has shown the embodiment of the helmet with the installed part that is used for flashlight 44.

Fig. 7 has shown folding (fold out) shackle 46 of the shell body of the helmet that in use is used to hang the helmet.

It can on the interior helmet, be provided for installing accessory extraly, although can not be enclosed within on the shell body when described accessory is on the throne.

Fig. 8 illustrated to show the outer helmet 50, comprise the interior helmet 52 of interior part 54 of the head that is suitable for cooperating the user and the decomposition view of the outer liner 56 that face helmet 58 is connected thereto.The bindiny mechanism 60 of the helmet and the outer helmet is presented in Fig. 9 and 10 in more detail in connecting.

Bindiny mechanism 60 comprises two major parts: U-shaped housing 62 and bar 64, described bar 64 is pivotably mounted on the housing at the A place.The torsionspring (not shown) is connected to housing 62 with bar 64, and with lever 64 along from clockwise direction bias voltage shown in Figure 9.

Bar 64 comprise from the midline shift of the lower part 68 of bar 64 and to the lower part 68 of bar 64 be positioned on the less angle, the top 66 of rectangle normally.Top 66 has top surface 69.Inclination abutment surface 70 connects a side of two parts.Because the bias voltage of torsionspring, this surface contact with the rising surperficial 72 of the shank of bar bindiny mechanism disposed thereon usually.

Be adhered on the inner surface of the outer helmet 50 with the outer surface of the shank of bar 64 opposed U-shaped housings 62.The other shank of housing can as described belowly be connected to the interior helmet.

In the wideer groove 74 of shank of U-shaped housing more disposed thereon than bar 64 a little is formed in the interior part 54 of the helmet 52.It is long that groove is roughly 25mm, and be formed on the centre between the front and rear of the helmet, the approximately halfway on helmet side.At the rear portion of groove 74 are solid abutment surfaces 76, and described abutment surface 76 is identical with groove depth, and roughly the top surface width with bar 64 is identical.

In order to connect the helmet, the user is in bar 64 insertion grooves, and with the outer helmet 50 along downward usually direction pulling.Figure 11 has shown two helmets in connection procedure.When the relative bindiny mechanism of groove moved up, by the pivotal point of bar 64, because it is narrower, it forced bar pivot counterclockwise (as shown in Figure 9).When groove moves through the top surface of bar, its anticlockwise moment on bar is released and by the spring bias voltage, and the bar overlap joint is got back in as shown in figure 12 the position.The top surface of bar 64 abuts against the solid abutment surface 76 of groove 74 now, and two helmets are locked together.

If the user wishes to slough the helmet, she is rotated counterclockwise the bottom of bar simply, and the top surface of bar aligns with groove 74 like this, as shown in figure 13, and will go up the helmet and lift from from the following helmet.

Second bindiny mechanism's (not shown) is provided with relative with first bindiny mechanism, and is in its mirror image, suitably bias voltage.Two bars must engage when putting on or slough the helmet or be disengaged.

Some further features of bindiny mechanism 60 are displayed among Figure 10.Bindiny mechanism can have two lugs 80 (lug), and face helmet 58, liner 56 can be connected thereto, and in this case, the lowermost part of the shank of the housing that lug is connected thereto can form U-shaped to be provided for the brake component of face helmet 58.The connector 82 that is used for breathing equipment can be formed on the outer surface of housing.

In this specification (comprising claims) each feature disclosed and/or as shown in the drawing can be independent of other open and/or shown in feature incorporate the present invention into.Explanation in this specification of " purpose of the present invention " relates to the preferred embodiments of the present invention, but embodiments of the invention that must be not all fall within the scope of claims of the present invention.Embodiments of the invention just describe with reference to accompanying drawing.

The text of the summary that goes out to apply for mentioned herein repeats herein, as a part of the present invention.

A kind of fire fighter's the helmet comprises: interior protection housing is configured to wear separately and is the helmet; With outer protection housing, be configured to be enclosed within on the inner housing and also keep thereon releasedly, comprise maintaining body, be used for keeping in the enclosure inner housing, when wherein between the primary importance and the second place, wearing inner housing, maintaining body is removable by the user, and maintaining body cooperates described housing in primary importance, to prevent two relative motions between the housing basically; Maintaining body allows the user can put on or take off described shell body in the relative motion of second place permission housing thus.

Claims

1. firefighter helmets comprises: interior protection housing, described in the protection housing be configured to independently and wear as the helmet; Outer protection housing; described outer protection housing is configured to be enclosed within on the inner housing and also keeps thereon releasedly; comprise and be used for inner housing is remained on maintaining body in the shell body; it is removable when wherein maintaining body is worn inner housing between the primary importance and the second place by the user; in primary importance; maintaining body engages described housing; to prevent two relative motions between the housing basically; in the second place; maintaining body allows the relative motion of housing, allows thus to put on or slough described shell body by the user.

2. the helmet according to claim 1, wherein, shell body has outward extending edge or shoulder protector.

3. according to the claim 1 or the 2 described helmets, wherein, comprise separator, be used for shell body and inner housing are separated.

4. according to the arbitrary described helmet of claim 1-3, wherein, comprise the face helmet, described helmet is contained in when not using between inner housing and the shell body.

5. according to the described helmet of aforementioned arbitrary claim, wherein, maintaining body is flexibly towards the primary importance bias voltage.

6. the helmet according to claim 5, wherein, maintaining body is removable by the user when wearing inner housing, it can be moved to the second place from primary importance like this, is used for allowing shell body is incorporated on the inner housing or with shell body removing from inner housing.

7. according to the described helmet of aforementioned arbitrary claim, wherein, maintaining body is pivotably connected to the helmet.

8. the helmet according to claim 7, wherein, maintaining body is pivotally mounted to bindiny mechanism, and described bindiny mechanism is connected to shell body, and described maintaining body separates from shell body thus.

9. the helmet according to claim 8, wherein, the interior helmet comprises the pieceable groove by bindiny mechanism, like this when maintaining body is in the second place, bindiny mechanism can be moved through described groove and when maintaining body was in primary importance, bindiny mechanism can not be moved through described groove.

10. the helmet according to claim 9, wherein, the bottom of engaging groove when maintaining body can be in being in primary importance.

11. arbitrary according to Claim 8-10 described helmet, wherein, described bindiny mechanism can comprise installed part, is used to allow accessory be installed to the helmet.

12. according to the arbitrary described helmet of claim 1-7, wherein, maintaining body is arranged on the shell body.

13. the helmet according to claim 12, wherein, maintaining body engages the bottom of inner housing.

14., wherein, comprise being used at least one accessory is connected to installed part on the helmet according to the described helmet of aforementioned arbitrary claim.

15. a helmet is substantially as describe with reference to accompanying drawing herein.