Armoured vehicle comprising a fastening arrangement

Abstract

The present invention relates to a fastening arrangement (F) for attaching a rail (10) within an inner space (S) of an armoured vehicle (V). Said armoured vehicle (V) comprises a hull (H) having an exterior layer (L1) and an interior layer (L2) configured to be arranged internally in connection to said exterior layer (L1). Said fastening arrangement (F) comprises one or more, from said exterior layer (L1) inwardly towards said inner space, protruding connection members (20). Said fastening arrangement (F) further comprises one or more joint members (30) connectable to said protruding connection members (20). Said one or more joint members (30) are configured to attach said rail (10) to said hull (H) via said one or more protruding connection members (20). The present invention also relates to an armoured vehicle.

Description

The present invention relates to a fastening arrangement for attaching a rail within an inner space of an armoured vehicle. The present invention also relates to an armoured vehicle comprising such a fastening arrangement.BACKGROUNDCertain armoured vehicles, such as armoured combat vehicles, have a hull having an exterior layer in the shape of an armour plate. Such vehicles have an inner space inside the exterior layer, having an isolation usually in the shape of a liner glued directly to the inner side of said exterior layer, which may be costly. In order to connect equipment or the like within said inner space, aluminium rails are connected to the inner side, said aluminium rails being connected to ground.OBJECTS OF THE INVENTIONAn object of the present invention is to provide a fastening arrangement for attaching a rail within an inner space of an armoured vehicle, which facilitates easy and efficient attachment.Another object of the present invention is to provide an armoured vehicle with such a fastening arrangement.Specifically, an object of the invention is achieved by a fastening arrangement for attaching a rail within an inner space of an armoured vehicle, said armoured vehicle comprising a hull having an exterior layer and an interior layer configured to be arranged internally in connection to said exterior layer, wherein said fastening arrangement comprises: one or more, from said exterior layer inwardly towards said inner space, protruding connection members; and one or more joint members connectable to said protruding connection members, wherein said one or more joint members are configured to attach said rail to said hull via said one or more protruding connection members. At least parts of said hull comprising said exterior layer and interior layer is configured to provide said inner space of said armoured vehicle, e.g. wall portions, sealing or the like.Hereby, easy and efficient attachment of rails is facilitated. By providing connection member(s) protruding from said exterior layer, it is facilitated to provide grounded connection of rail(s), e.g. by having said connection member(s) and rail(s) in stainless steel, wherein the rail(s) thereby are grounded so that no separate grounding of the rail(s) is required. By providing connection member(s) thus protruding from said exterior layer, said interior layer, e.g. isolation / liner, may be connected to said exterior layer without requiring the interior layer to be glued to the exterior layer, by thus attaching said rail(s) to said hull by means of said joint member(s). By providing a set of connection members protruding inwardly from said external layer and being distributed along said external layer, attachment of one or more rails is facilitated, facilitating modular configuration where vehicle components may be attached to a rail / part of rail and moved at rail / to other rail depending on current requirements. Such a vehicle component may e.g. be a seat / chair for a person(s) within said inner space. Further, such a fastening arrangement facilitates easy replacement, maintenance, upgrading or the like of said interior layer. Replacement of said interior layer may e.g. be in order to adapt for different vehicle components.According to an aspect of said fastening arrangement, said one or more protruding connection members are welded studs, welded in connection to a side of said exterior layer configured to face inwardly towards said inner space of said vehicle. Hereby the rail(s) thereby are grounded so that no separate grounding of the rail(s) are required.According to an aspect of said fastening arrangement, said interior layer is configured to be attached to said exterior layer by means of said rail. Hereby, said interior layer may be easily and efficiently attached without requiring any additional connection such as glue or the like.According to an aspect of said fastening arrangement, said interior layer comprises a through opening for each of said one or more protruding connection members, said through opening being configured to receive a protruding connection member of said one or more protruding connection members. Hereby easy and efficient connection is facilitated.According to an aspect of said fastening arrangement, said interior layer is configured to be arranged between said exterior layer and said rail, wherein said attachment of said rail to said one or more protruding connection members by means of said one or more joint members facilitates connecting said interior layer to said exterior layer of said hull of said armoured vehicle. Hereby, said interior layer may be easily and efficiently attached without requiring any additional connection such as glue or the like.According to an aspect of said fastening arrangement, said exterior layer of said hull is made of armoured material, wherein said one or more from said exterior layer protruding connection members and said rail are made of corrosion-resistant steel, wherein, when said rail is attached to said hull via said one or more protruding connection members, said rail is configured to be in contact with said one or more protruding connection members so that a grounded connection of said rail is obtained. Hereby the rail(s) thereby are grounded so that no separate grounding of the rail(s) is required.According to an aspect of said fastening arrangement, said rail comprises a joint opening for each of said one or more joint members, for facilitating attachment of said rail to said hull. According to an aspect of the present disclosure, said fastening arrangement comprises said one or more joint openings of said rail. Hereby, easy and efficient attachment of said rail to said hull is facilitated.According to an aspect of said fastening arrangement, one or more of said one or more protruding connection members comprises a connection opening having an axial extension and a circular cross-section, said connection opening being configured to receive a joint member of said one or more joint members for facilitating providing said attachment of said rail. Hereby, easy and efficient attachment of said rail to said hull is facilitated.According to an aspect of said fastening arrangement, one or more of said one or more joint members are screw joint members. According to an aspect of said fastening arrangement, a screw joint member of said one or more screw joint members is configured to be introduced into said connection opening of a protruding connection member for facilitating provision of attachment of said rail. Hereby, easy and efficient attachment of said rail to said hull is facilitated.According to an aspect of said fastening arrangement, one or more of said one or more joint members comprises a connection opening having an axial extension and a circular cross-section, and said one or more protruding connection members has bar configuration configured to be introduced into said connection opening of a joint member of said one or more joint members when receiving said joint member for facilitating providing said attachment of said rail.According to an aspect of this alternative aspect, one or more of said one or more joint members is a nut joint member. According to an aspect of said fastening arrangement a nut joint member of said one or more nut joint members is configured to be arranged around a protruding connection member for facilitating provision of attachment of said rail. According to an aspect, said protruding connection member is a threaded protruding connection member. Hereby, easy and efficient attachment of said rail to said hull is facilitated.According to an aspect of said fastening arrangement, said interior layer comprises an isolation layer part and a liner layer part, said isolation layer part being configured to be arranged between said exterior layer and said liner layer part.According to an aspect of said fastening arrangement, said rail is configured to be adapted for facilitating connection of equipment for the vehicle and / or vehicle passengers within said inner space of said armoured vehicle.Specifically, an object of the invention is achieved by an armoured vehicle comprising a fastening arrangement as set out herein.BRIEF DESCRIPTION OF THE DRAWINGSFor a better understanding of the present disclosure reference is made to the following detailed description when read in conjunction with the accompanying drawings, wherein like reference characters refer to like parts throughout the several views, and in which:Fig. 1a schematically illustrates a side view of a tracked armoured vehicle comprising a fastening arrangement for attaching a rail within an inner space, according to an embodiment of the present disclosure;Fig. 1b schematically illustrates a plan view of the vehicle in fig. 1a, according to an embodiment of the present disclosure;Fig. 2 schematically illustrates a perspective view of a pair of rails attached on a wall in an inner space of an armoured vehicle by means of a fastening arrangement, according to an embodiment of the present disclosure;Fig. 3 schematically illustrates a cross-sectional perspective view of a portion of a rail, a portion of a hull of an armoured vehicle, and a fastening arrangement attaching said rail to said hull, according to an embodiment of the present disclosure;Fig. 4 schematically illustrates an exploded cross-sectional perspective view of a portion of a rail, a portion of a hull of an armoured vehicle, and a fastening arrangement attaching said rail to said hull, according to an embodiment of the present disclosure; and,Fig. 5 schematically illustrates a cross-sectional view of a portion of a rail, a portion of a hull of an armoured vehicle, and a fastening arrangement attaching said rail to said hull, according to an embodiment of the present disclosure.DETAILED DESCRIPTIONFig. 1a schematically illustrates a side view of an armoured vehicle V according to an aspect of the present disclosure, and fig. 1b schematically illustrates a plan view of the armoured vehicle V according to an aspect of the present disclosure. The armoured vehicle V schematically illustrated in fig. 1a-b is a tracked armoured vehicle V.The armoured vehicle V comprises a vehicle body B, which according to an aspect of the present disclosure comprises the hull H of the armoured vehicle V and bodywork. The armoured vehicle V thus comprises a hull H.The tracked armoured vehicle V comprises a ground engaging arrangement configured to engage with the ground G on which the vehicle V is intended to travel for facilitating moving the vehicle V. Said ground engaging arrangement, for said tracked armoured vehicle V, comprises or is provided by a track assembly pair T1, T2, see e.g. fig. 1 b.Said track assembly pair T1, T2 comprises a left track assembly T1 and a right track assembly T2 for driving the vehicle V, the left track assembly T 1 being shown in fig. 1a. According to an aspect of the present disclosure, said ground engaging arrangement in the shape of said track assemblies T1, T2 is configured to be connected to said vehicle body B. According to an aspect of the present disclosure, said track assemblies T1, T2 are configured to be suspendedly connected to said vehicle body B.Regarding the exemplified tracked armoured vehicle V in fig. 1a, each track assembly comprises a drive wheel DW, a tension wheel TW, a set of road wheels RW and an endless track E arranged to run over said wheels. The endless track E is thus arranged to be disposed around said wheels.The endless track E of the respective track assembly is arranged to be driven and hence rotated by means of said drive wheel DW. The vehicle V comprises a drive arrangement D2 for driving said drive wheels. The drive arrangement may be any suitable drive arrangement. The drive arrangement may comprise any suitable drive means such as an internal combustion engine and / or an electric machine.According to an aspect of the present disclosure, said armoured vehicle may be a wheeled armoured vehicle, not shown, wherein said ground engaging arrangement comprises a set of wheels configured to engage with the ground for vehicle operation / drive.Said armoured vehicle V comprises an inner space S for housing persons within the vehicle V, i.e. within the vehicle body B of the vehicle V. Said inner space S of said armoured vehicle V is at least partly provided by means of portions of said hull H of said vehicle V. Said portions of said hull H configured to be part of provision of said inner space S comprises, according to an aspect, wall portions.Said portions of said hull H configured to be part of provision of said inner space S comprises, according to an aspect, a roof portion. Said portions of said hull H configured to be part of provision of said inner space S comprises, according to an aspect, a floor portion. Said portions of said hull H configured to be part of provision of said inner space S has an outer side Ho facing outwardly away from said inner space S and an opposite inner side Hi facing inwardly towards said inner space S.One or more rails 10 are configured to be arranged in connection to said hull H within said inner space S. One or more rails 10 are configured to be arranged in connection to the inner side Hi of said hull H within said inner space S. Said one or more rails 10 are configured to be adapted for facilitating connection of equipment for the vehicle and / or vehicle passengers within said inner space S of said armoured vehicle V.Fig. 2 schematically illustrates a perspective view of a pair of rails 10 attached on a wall in an inner space of an armoured vehicle by means of a fastening arrangement, according to an embodiment of the present disclosure. Fig. 3 schematically illustrates a cross-sectional perspective view of a portion of a rail 10, a portion of a hull H of an armoured vehicle, and a fastening arrangement F attaching said rail 10 to said hull H, according to an embodiment of the present disclosure. Fig.4 schematically illustrates an exploded cross-sectional perspective view of a portion of a rail 10, a portion of a hull H of an armoured vehicle, and a fastening arrangement F attaching said rail 10 to said hull H, according to an embodiment of the present disclosure.Said hull H of said armoured vehicle V comprises an exterior layer L1 and an interior layer L2 configured to be arranged internally in connection to said exterior layer L1. Said exterior layer L1 has an outer side L1o, configured to face away from said interior layer L2, and an opposite inner side L1 i configured to face towards said interior layer L2. Said interior layer L2 has an outer side L2o configured to face towards said exterior layer L1 and opposite inner side L2i configured to face away from said exterior layer L1.Said exterior layer L1 of said hull H is made of armoured material. Said armoured material may be any suitable armoured material, e.g. armoured steel.According to an aspect of the present disclosure, said interior layer L2 comprises an isolation layer part L2-1 and a liner layer part L2-2. According to an aspect of the present disclosure, said isolation layer part L2-1 is configured to be arranged between said exterior layer L1 and said liner layer part L2-2.According to an aspect of the present disclosure, said liner layer part L2-2 comprises multiple layers of glass fibre and / or polyethene and / or Kevlar.Said isolation layer part L2-1 has an outer side L2-1o, configured to face towards said exterior layer L1, i.e. towards said inner side L1i of said exterior layer L1. Said isolation layer part L2-1 has an inner side L2-1 i opposite to said outer side L2-1o, said inner side L2-1i being configured to face towards said liner layer part L2-2.Said liner layer part L2-2 has an outer side L2-2o, configured to face towards said isolation layer part L2-1, i.e. towards said inner side L2-1i of said isolation layer part L2-1. Said liner layer part L2-2 has an inner side L2-2i opposite to said outer side L2-2o, said inner side L2-2i being configured to face towards said inner space S.A fastening arrangement F for attaching a rail 10 within said inner space S of the armoured vehicle V is provided.Said fastening arrangement F comprises one or more, from said exterior layer L1 inwardly towards said inner space, protruding connection members 20. According to an aspect of the present disclosure, said one or more protruding connection members 20 are welded studs. According to an aspect of the present disclosure, said one or more protruding connection members 20 in the shape of welded studs are configured to be welded in connection to said inner side L1i of said exterior layer L1. Said one or more protruding connection members 20 are configured to face inwardly towards said inner space S of said armoured vehicle. Said one or more protruding connection members 20 are configured to protrude from said inner side L1i of said exterior layer L1 in a main direction of extension inwardly towards said inner space S of said armoured vehicle.According to an aspect of the present disclosure, said one or more protruding connection members 20 are made of stainless steel.Said fastening arrangement F further comprises one or more joint members 30 connectable to said protruding connection members 20. Said one or more joint members 30 are configured to attach said rail 10 to said hull H via said one or more protruding connection members 20. Thus, one joint member 30 of said one or more joint members 30 is configured to provide an attachment / part of an attachment of a rail 10 to said hull H via one protruding connection member 20 of said one or more protruding connection members 20.Said interior layer L2 is configured to be attached to said exterior layer L1 by means of said rail 10. Said interior layer L2 is configured to be arranged between said exterior layer L1 and said rail 10. Said attachment of said rail 10 to said one or more protruding connection members 20 by means of said one or more joint members 30 facilitates connecting said interior layer L2 to said exterior layer L1 of said hull H of said armoured vehicle V.According to an aspect of the present disclosure, said exterior layer L1 of said hull H is made of armoured material. According to an aspect of the present disclosure, said one or more from said exterior layer L1 protruding connection members 20 and said rail 10 are made of corrosion-resistant steel.According to an aspect of the present disclosure, when said rail 10 is attached to said hull H via said one or more protruding connection members 20, said rail 10 is configured to be in contact with said one or more protruding connection members 20 so that a grounded connection of said rail 10 is obtained.According to an aspect of the present disclosure, said interior layer L2 comprises an opening OL2 for each of said one or more protruding connection members 20. Thus, according to an aspect of the present disclosure, said interior layer L2 comprises one or more openings OL2 intended for protruding connection member(s) 20.According to an aspect of the present disclosure, said opening OL2 for each of said one or more protruding connection members 20 is configured to receive a protruding connection member 20 of said one or more protruding connection members 20. According to an aspect of the present disclosure, each of said one or more protruding connection members 20 is configured to run through said interior layer L2 via said opening OL2 of the interior layer L2. Thus, said one or more openings OL2 of said interior layer L2 is through openings configured to run through said interior layer L2 from said outer side L2o to and through said inner side L2i.According to an aspect of the present disclosure, said isolation layer part L2-1 of said interior layer L2 comprises a first opening OL2-1, constituting a first part of said opening OL2, and said liner layer part L2-2 comprises a second opening OL2-2, constituting a second part of said opening OL2. Said first opening OL2-1 and second opening OL2-2 are configured to be arranged relative to each other, when a rail 10 is to be attached or is attached, so that the connection member 20 associated with said opening OL2 of said interior layer L2 is allowed to run through said openings OL2-1, OL2-2.According to an aspect of the present disclosure, said first opening OL2-1 and second opening OL2-2 are configured to be coaxially arranged relative to each other, when a rail 10 is to be attached or is attached. According to an aspect of the present disclosure, said first opening OL2-1 of said isolation layer part L2-1 is smaller than said second opening OL2-2 of said liner layer part L2-2.According to an aspect of the present disclosure, said first opening OL2-1 of said isolation layer part L2-1 has an axial extension X and a circular crosssection adapted to closely receive a connection member 20 of said one or more protruding connection members 20.According to an aspect of the present disclosure, said second opening OL2-2 of said liner layer part L2-2 has an axial extension X and a circular crosssection adapted to receive a connection member 20 of said one or more protruding connection members 20 and allow connection to end portion of protruding connection member 20 and rail 10.According to an aspect of the present disclosure, said rail 10 comprises a joint opening 010 for each of said one or more joint members 30, for facilitating attachment of said rail 10 to said hull H. Thus, according to an aspect of the present disclosure, said rail comprises one or more joint openings 010 configured to receive said joint member(s) 30, for facilitating attachment of said rail 10 to said hull H. According to an aspect of the present disclosure, said fastening arrangement comprises said one or more joint openings 010 of said rail 10.According to an aspect of the present disclosure, said one or more protruding connection members 20 comprises a connection opening O20 having an axial extension X and a circular cross-section, said connection opening O20 being configured to receive a joint member 30 of said one or more joint members 30 for facilitating providing said attachment of said rail 10. According to an aspect of the present disclosure, the respective opening OL2 of said at least one opening OL2 of said interior layer L2 has a main direction of extension corresponding to the axial extension X of said connection opening O20.According to an aspect of the present disclosure, said rail 10 comprises one or more connection openings O10, said connection opening 010 being configured to receive a joint member 30 of said one or more joint members 30 for facilitating providing said attachment of said rail 10. Said connection opening O10 is a through opening configured to run through said rail 10 from said outer side 10o to and through said inner side 10i.According to an aspect of the present disclosure, said one connection opening O10 of said one or more connection openings O10 of said rail 10, when said rail is attached to said hull H, is configured to be aligned with a connection opening O20 of a protruding connection member 20, wherein a joint member 30 is configured to be introduced into said connection opening O10 of said rail 10 and further into said connection opening O20 of said protruding connection member 20 for connection of said rail 10 to said hull H.According to an aspect of the present disclosure, said rail 10, and where applicable, the respective rail 10, has an elongated configuration.According to an aspect of the present disclosure, the rail 10 has a first long side 10a, a second long side 10b opposite to said first long side 10a, a first short side 10c, a second short side 10d opposite to said first short side 10c, a connection side 10o configured to face towards said hull H when the rail is connected to said hull H, and an opposite equipment receiving side 10i configured to face inwardly towards said inner space S when said rail is connected to said hull H. According to an aspect of the present disclosure, said connection side 10o of said rail 10 may be denoted outer side 10o and said equipment receiving side of said rail 10 may be denoted inner side 10i.When said rail 10 is attached to a wall portion of the hull H of the vehicle V, said rail, according to an aspect, is configured to extend horizontally when the vehicle is standing on a flat ground, wherein said first long side 10a is an upper side 10a, said second long side 10b is a lower side, said first short side 10c is a left side and said second short side 10d is a right side 10d of said rail 10.According to an aspect of the present disclosure, said rail 10 has a height or width corresponding to the distance between the first long side 10a and opposite second long side 10b. According to an aspect of the present disclosure, said rail 10 has a transversal extension configured to extend in the direction of the height of said rail 10.According to an aspect of the present disclosure, said rail 10 has a length corresponding to the distance between said first short side 10c and opposite second short side 10d. According to an aspect of the present disclosure, said rail 10 has a longitudinal extension configured to extend in the direction of the length of said rail 10.According to an aspect of the present disclosure, said rail 10 has a thickness corresponding to the distance between the outer side 10o and inner side 10i of said rail 10.According to an aspect of the present disclosure, said at least one opening O10 of said rail 10 has a main extension essentially orthogonal to the longitudinal extension and transversal extension of said rail 10.According to an aspect of the present disclosure, said at least one opening O10 of said rail 10 comprises a first opening portion O10a configured to extend from the inner side 10i of the rail 10, a certain distance towards the outer side 10o, and a second opening portion O10b configured to extend from the outer side 10o of the rail towards the inner side 10i to the first opening portion O10a so that said first opening portion 010a transfers into said second opening portion O10b of said opening O10 of said rail 10.According to an aspect of the present disclosure, said first opening portion O10a is coaxially arranged relative to said second opening portion O10b. According to an aspect of the present disclosure, said first opening portion O10a is wider than said second opening portion O10b so that a stop surface 10s is provided within said opening 010, said stop surface being configured to face away from said outer side 10o of said rail 10.According to an aspect of the present disclosure, said one or more joint members 30 are screw joint members 30. According to an aspect of the present disclosure, said one or more joint members 30 comprises an end portion 32 and a connection portion 34 projecting from said end portion 32.According to an aspect of the present disclosure, when said rail 10 is attached to the hull H, the respective joint member 30 of said at least one joint member 30 is configured to be introduced into said opening 010 of said rail 10 so that at least a portion of said connection portion 34 is introduced into said opening O20 of a protruding connection member 20 so that it connects with said protruding connection member 20.According to an aspect of the present disclosure, when said rail 10 is attached to the hull H, the respective joint member 30 of said at least one joint member 30 is configured to be introduced into said opening 010 of said rail 10 so that said end portion 32 of said joint member 30 stops against said stop surface 10s at said said second opening portion O10b of said opening of said rail 10. According to an aspect of the present disclosure, said end portion 32 of said joint member 30 stops is configured and shaped such that it stops against said stop surface 10s when said joint member is introduced into said opening of said rail.According to an aspect of the present disclosure, said end portion 32 of said joint member 30 is a screw head 32, and said connection portion 34 is a threaded screw portion configured to engage with inner threads within said opening O20 of said protruding connection member 20.According to an aspect of the present disclosure, said rail 10 is configured to be adapted for facilitating connection of equipment for the vehicle and / or vehicle passengers within said inner space S of said armoured vehicle V. According to an aspect of the present disclosure, said rail 10 comprises connection portions C10 distributed along the rail 10 at the inner side 10i of said rail 10, i.e. the side facing towards said inner space S. According to an aspect of the present disclosure, said connection portions C10 may comprise openings, protrusions or the like for facilitating connection of equipment for the vehicle and / or vehicle passengers to said rail 10.Above, with reference to fig. 3 and 4, an embodiment of the fastening arrangement according to the present disclosure has been described, where said one or more protruding connection members 20 comprises a connection opening O20 having an axial extension and a circular cross-section, and where said connection opening O20 is configured to receive a joint member 30 of said one or more joint members 30 for facilitating providing said attachment of said rail 10. Here the joint member 30, e.g. a screw joint member having a bar configuration, is configured to be introduced into the opening O20 of said connection member 20.Fig. 5 schematically illustrates a cross-sectional view of a portion of a rail 10, a portion of a hull H of an armoured vehicle, and a fastening arrangement attaching said rail 10 to said hull H, according to an alternative aspect of the present disclosure.According to said alternative aspect of the present disclosure, said one or more joint members 30 comprises a connection opening 030 having an axial extension and a circular cross-section, and said one or more protruding connection members 20 configured to be introduced into said connection opening of a joint member of said one or more joint members when receiving said joint member for facilitating providing said attachment of said rail 10.According to an aspect of this alternative aspect, one or more of said one or more joint members 30 is a nut joint member. According to an aspect of said fastening arrangement a nut joint member 30 of said one or more nut joint members 30 is configured to be arranged around a protruding connection member 20 for facilitating provision of attachment of said rail. According to an aspect, said protruding connection member 20 has a circular cross section configured to closely fit within said connection opening 030 of a nut joint member 30. According to an aspect, said protruding connection member 20 is a threaded protruding connection member.According to an aspect of the present disclosure, the solution according to fig.3 and 4 with screw joint member and the solution according to fig. 5 with nut joint member may be combined if there are more than one connection member 20.The foregoing description of the preferred embodiments of the present invention has been provided for the purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations will be apparent to practitioners skilled in the art. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to understand the invention for various embodiments and with the various modifications suited to the particular use contemplated.

Claims

1. A fastening arrangement (F) for attaching a rail (10) within an inner space (S) of an armoured vehicle (V), said armoured vehicle (V) comprising a hull (H) having an exterior layer (L1) and an interior layer (L2) configured to be arranged internally in connection to said exterior layer (L1), wherein said fastening arrangement (F) comprises: one or more, from said exterior layer (L1) inwardly towards said inner space, protruding connection members (20); and one or more joint members (30) connectable to said protruding connection members (20), wherein said one or more joint members (30) are configured to attach said rail (10) to said hull (H) via said one or more protruding connection members (20).

2. The fastening arrangement according to claim 1, wherein said one or more protruding connection members (20) are welded studs, welded in connection to a side (L1i) of said exterior layer (L1) configured to face inwardly towards said inner space of said vehicle.

3. The fastening arrangement according to claim 1 or 2, wherein said interior layer (L2) is configured to be attached to said exterior layer (L1) by means of said rail (10).

4. The fastening arrangement according to any of claims 1-3, wherein said interior layer (L2) comprises a through opening (OL2) for each of said one or more protruding connection members (20), said through opening (OL2) being configured to receive a protruding connection member (20) of said one or more protruding connection members (20).

5. The fastening arrangement according to any of claims 1-4, wherein said interior layer (L2) is configured to be arranged between said exterior layer (L1) and said rail (10), wherein said attachment of said rail (10) to said one or more protruding connection members (20) by means of said one or more joint members (30) facilitates connecting said interior layer (L2) to said exterior layer (L1) of said hull (H) of said armoured vehicle (V).

6. The fastening arrangement according to any of claims 1-5, wherein said exterior layer (L1) of said hull (H) is made of armoured material, wherein said one or more from said exterior layer (L1) protruding connection members (20) and said rail (10) are made of corrosion-resistant steel, wherein, when said rail (10) is attached to said hull (H) via said one or more protruding connection members (20), said rail (10) is configured to be in contact with said one or more protruding connection members (20) so that a grounded connection of said rail (10) is obtained.

7. The fastening arrangement according to any of claims 1-6, wherein said rail comprises a joint opening (O10) for each of said one or more joint members (30), for facilitating attachment of said rail (10) to said hull (H).

8. The fastening arrangement according to any of claims 1-7, wherein one or more of said one or more protruding connection members (20) comprises a connection opening (O20) having an axial extension and a circular crosssection, said connection opening (O20) being configured to receive a joint member (30) of said one or more joint members (30) for facilitating providing said attachment of said rail (10).

9. The fastening arrangement according to any of claims 1-8, wherein one or more of said one or more joint members (30) comprises a connection opening (030) having an axial extension and a circular cross-section, and said one or more protruding connection members (20) is configured to be introduced into said connection opening (030) of a joint member (30) of said one or more joint members (30) when receiving said joint member for facilitating providing said attachment of said rail (10).

10. The fastening arrangement according to any of claims 1-9, wherein said interior layer (L2) comprises an isolation layer part (L2-1) and a liner layer part (L2-2), said isolation layer part (L2-1) being configured to be arranged between said exterior layer (L1) and said liner layer part (L2-2).

11. The fastening arrangement according to any of claims 1-10, wherein said rail (10) is configured to be adapted for facilitating connection of equipment for the vehicle and / or vehicle passengers within said inner space (S) of said armoured vehicle (V).

12. An armoured vehicle (V), said vehicle comprising a fastening arrangement according to any of claims 1-11.