Protection device

20230180877 · 2023-06-15

    Inventors

    Cpc classification

    International classification

    Abstract

    A protection device comprises a head-fastening unit for fastening to a user's head and comprises a holding unit that is configured for connecting at least one protection unit to the head-fastening unit for the user's protection, wherein the holding unit is configured for connecting at least one further protection unit to the head-fastening unit.

    Claims

    1. A protection device with a head-fastening unit for fastening to a user's head and with a holding unit that is configured for connecting at least one protection unit to the head-fastening unit for a user's protection, wherein the holding unit is configured for connecting at least one further protection unit to the head-fastening unit.

    2. The protection device according to claim 1, wherein the holding unit is configured to connect the protection unit and the further protection unit to the head-fastening unit at the same time.

    3. The protection device according to claim 1, comprising the protection unit, which is embodied as a shield unit with at least one protection element.

    4. The protection device according to claim 1, comprising the further protection unit, which is realized as a helmet shell, in particular a construction worker's helmet shell.

    5. The protection device according to claim 4, wherein the helmet shell has a forehead recess.

    6. The protection device according to claim 3, wherein the shield unit is configured to cover the forehead recess independently from a set position relative to the head-fastening unit.

    7. The protection device according to claim 4, wherein the holding unit comprises a height adjusting unit for an adjustment of a distance between the helmet shell and the head-fastening unit.

    8. The protection device according to claim 4, comprising a strap unit, which is arrangeable between the helmet shell and the head-fastening unit and is configured for a force transmission from the helmet shell to the user's head.

    9. The protection device according to claim 8, wherein the strap unit comprises a chin strap holder.

    10. The protection device according to claim 3, wherein the shield unit is embodied as a welding protection visor.

    11. The protection device according to claim 10, wherein the protection element of the shield unit comprises an optical glare protection filter.

    12. The protection device according to claim 3, comprising at least one additional protection unit, which is embodied as a further shield unit and which is exchangeable with the shield unit.

    13. The protection device according to claim 12, wherein the further shield unit is embodied as a clear-view visor.

    14. The protection device according to claim 12, wherein the further shield unit is embodied as a lumberjack visor.

    15. The protection device according to claim 12, wherein the further shield unit comprises a further protection element, which is embodied as a sun protection element.

    16. The protection device according to claim 4, wherein the helmet shell comprises a ventilation unit with at least one ventilation opening.

    17. The protection device according to claim 16, wherein the ventilation unit comprises at least one cover element, which is configured to cover the ventilation opening at least partially.

    18. The protection device according to claim 1, wherein the holding unit is implemented at least partially integrally with the head-fastening unit.

    Description

    DRAWINGS

    [0034] Further advantages will become apparent from the following description of the drawings. In the drawings an exemplary embodiment of the invention is illustrated. The drawings, the description and the claims contain a plurality of features in combination. Someone skilled in the art will purposefully also consider the features separately and will find further expedient combinations.

    [0035] It is shown in:

    [0036] FIG. 1 a protection device with a head-fastening unit, with a protection unit that is embodied as a shield unit, with a further protection unit that is embodied as a helmet shell and with a holding unit for a connection of the protection unit and the further protection unit to the head-fastening unit, in a schematic exploded perspective view,

    [0037] FIG. 2 a schematic side view of the exploded illustration of the protection device of FIG. 1,

    [0038] FIG. 3 a schematic top view of the exploded illustration of the protection device of FIG. 1,

    [0039] FIG. 4 the helmet shell, the head-fastening unit, the holding unit and a strap unit of the protection device, in a schematic exploded view from a front side,

    [0040] FIG. 5 a schematic side view and a schematic top view of the helmet shell,

    [0041] FIG. 6 a schematic illustration of a further shield unit of the protection device, which is embodied as a clear-view visor,

    [0042] FIG. 7 a schematic illustration of a further shield unit of the protection device, which is embodied as a lumberjack's visor, and

    [0043] FIG. 8 a schematic illustration of a further shield unit of the protection device, which comprises a further protection element that is embodied as a sun protection element.

    DESCRIPTION OF THE EXEMPLARY EMBODIMENT

    [0044] FIG. 1 shows a protection device 10 in a schematic exploded view. The protection device 10 comprises a head-fastening unit 12. The head-fastening unit 12 is configured for fastening the protection device 10 to a user's head (not shown). The head-fastening unit 12 comprises a tensioning element 98 and several tensioning webs 100. By means of the tensioning element 98 of the head-fastening unit 12, the tensioning webs 100 can be tensioned to different extents for the purpose of adapting the dimension of the head-fastening unit 12 to the size of a user's head, thus enabling a firm hold of the head-fastening unit 12 on the user's head.

    [0045] The protection device 10 comprises a protection unit 110 for a protection of the user. In the present case the protection unit 110 is embodied as a shield unit 14. The shield unit 14 comprises at least one protection element 16 for a protection of the user. In the present case the shield unit 14 is realized as a welding protection visor 30. The protection element 16 of the shield unit 14 comprises an optical glare protection filter 32. The protection device 10 furthermore comprises a sensor unit (not shown). The sensor unit is configured to detect a work state and, depending on the work state, for an actuation of a transmittance of the optical glare protection filter 32. The sensor unit comprises at least one sensor (not shown), which is configured to detect a welding process or an occurrence of a bright light, which may damage a user's eyes or may affect a user's eyes otherwise. The sensor of the sensor unit is embodied as a photocell. However, principally a different implementation of the sensor of the sensor unit, deemed expedient by someone skilled in the art, would also be conceivable.

    [0046] The protection device 10 comprises a holding unit 18. The holding unit 18 is configured for connecting the protection unit 110 to the head-fastening unit 12. The holding unit 18 comprises a first receiving element 54 and a second receiving element 56. The first receiving element 54 and the second receiving element 56 are realized mirror-symmetrically to each other. The holding unit 18 further comprises a first holding element 58 and a second holding element 60. The holding unit 18 comprises a first fastening element 62 and a further first fastening element 64, which are fixedly connected with the head-fastening unit 12.

    [0047] The holding unit 18 is implemented at least partially integrally with the head-fastening unit 12. In the present case the first fastening elements 62, 64 of the holding unit 18 are in each case implemented integrally with the head-fastening unit 12. The first fastening elements 62, 64 are arranged on a lefthand side of the head-fastening unit 12 and are configured for a fastening of the first holding element 58 to the head-fastening unit 12. The head-fastening unit 12 further comprises two second fastening elements (not shown), which are implemented substantially identically to the first fastening elements 62, 64, which are arranged opposite the first fastening elements 62, 64 on a righthand side of the head-fastening unit 12 and which are also implemented integrally with the head-fastening unit 12. The second fastening elements are configured for a fastening of the second holding element 60 to the head-fastening unit 12. The first holding element 58 and the second holding element 60 in each case have several latch recesses 66, which are arranged horizontally side by side. The first receiving element 54 and the second receiving element 56 in each case have two latch tabs 68, which engage in respectively two of the latch recesses 66 in the respective holding elements 58, 60 for creating a latch connection.

    [0048] The shield element 14 has a first receiving opening 70 and a second receiving opening 72. The first receiving opening 70 is arranged on a lefthand side of the shield unit 14. The second receiving opening 72 is arranged on a righthand side of the shield unit 14, opposite the first receiving opening 70. For a connection of the shield unit 14 to the head-fastening unit 12 via the holding unit 18, the first receiving element 54 engages into the first receiving opening 70 and the second receiving element 56 engages into the second receiving opening 72. In a connected state the shield unit 14 is connected with the head-fastening unit 12 in a rotationally movable manner via the receiving elements 54, 56 of the holding unit 18. The shield unit 14 comprises a fixing unit 74. The fixing unit 74 comprises two gear rings 78, which are in each case arranged radially around the first receiving opening 70 and the second receiving opening 72. The fixing unit 74 comprises at least two fixing elements 76, which are capable of engaging into the teeth of the gear rings 78. By means of the fixing elements 76, the shield unit 14 can be fixed in at least two different positions relative to the head-fastening unit 12. The fixing unit 74 comprises at least two adjusting elements 80 for an actuation of the fixing elements 76 and for fixing the shield unit 14 in the relative positions to the head-fastening unit 12. In a first relative position the shield unit 14 is oriented at least substantially perpendicularly to the head-fastening unit 12 in order to cover the face of the user of the protection device 10, for example during welding work. In a second relative position the shield unit 14 is oriented at least substantially parallel to the head-fastening unit 12, for example so as to allow the user of the protection device 10 a free field of vision during interruptions of the welding work. By means of the fixing unit 74, the shield unit 14 can be fixed in the first relative position, in the second relative position and in further relative intermediate positions between the first relative position and the second relative position.

    [0049] Furthermore, a horizontal distance between the shield unit 14 and the head-fastening unit 12 is adjustable in that, depending on requirements, the latch tabs 68 of the first receiving element 54 and the second receiving element 56 can be latched in the respective holding elements 58, 60 in different ones of the latch recesses 66 which are arranged horizontally side by side.

    [0050] The protection device 10 further comprises a further protection unit 112. The holding unit 18 is configured for connecting the further protection unit 112 to the head-fastening unit 12. The holding unit 18 is configured to connect the protection unit 110 and the further protection unit 112 with the head-fastening unit 12 at the same time. In the present exemplary embodiment, the further protection unit 112 is embodied as a helmet shell 20, namely a construction worker's helmet shell. The helmet shell 20 is configured to absorb an impact energy at least to a large extent. The helmet shell 20 is connectable to the head-fastening unit 12 via the holding unit 18. For a connection to the head-fastening unit 12, the helmet shell 20 has two receiving recesses 82, 84. A first receiving recess 82 of the helmet shell 20 is arranged on a lefthand side of the helmet shell 20. For a connection of the helmet shell 20 to the head-fastening unit 12 via the holding unit 18, the first receiving element 54 engages into the first receiving recess 82 and latches with said first receiving recess 82. A second receiving recess 84 of the helmet shell 20 (cf. FIG. 3) is arranged opposite the first receiving recess 82 on a righthand side of the helmet shell 20. For a connection of the helmet shell 20 to the head-fastening unit 12 via the holding unit 18, the second receiving element 56 correspondingly engages into the second receiving recess 84 and latches with said receiving recess 84.

    [0051] The holding unit 18 comprises a height adjusting unit 24 for an adjustment of a distance between the helmet shell 20 and the head-fastening unit 12. For this purpose, several latch pins 86 of the height adjusting unit 24 are arranged vertically above one another on the respective rear sides of the holding elements 58, 60 of the holding unit 18. The height adjusting unit 24 further comprises several latch openings 88, which are arranged vertically above one another in the first fastening elements 62, 64 and in the second fastening elements. For an adjustment of the distance between the helmet shell 20 and the head-fastening unit 12, the latch pins 86 of the height adjusting unit 24 can be plugged accordingly into different ones of the latch openings 88 which are arranged vertically above one another.

    [0052] FIG. 2 shows a schematic side view of the exploded perspective view of the protection device 10 of FIG. 1.

    [0053] The protection device 10 comprises a strap unit 26. The strap unit 26 is arrangeable between the helmet shell 20 and the head-fastening unit 12 and is configured for partially receiving an impact energy. The strap unit 26 comprises a chin strap holder 28. The chin strap holder 28 is configured for a fastening of a chin strap (not shown). The chin strap holder 28 comprises a first chin strap holder element 90 and a second chin strap holder element 92. When the strap unit 26 is arranged between the helmet shell 20 and the head-fastening unit 12, the first chin strap holder element 90 is situated on the lefthand side of the head-fastening unit 12 and the second chin strap holder element 92 is situated on the righthand side of the head-fastening unit 12. The chin strap holder 28 may, for example, be hooked into the first chin strap holder element 90, tensioned across the user's chin and then hooked into the second chin strap holder element 92.

    [0054] FIG. 3 shows a schematic top view of the exploded perspective illustration of the protection device 10 of FIG. 1.

    [0055] The helmet shell 20 comprises a forehead recess 22. The shield unit 14 is configured to cover the forehead recess 22 independently from a set position relative to the head-fastening unit 12. In the first relative position between the shield unit 14 and the head-fastening unit 12, in which the shield unit 14 is oriented at least substantially perpendicularly to the head-fastening unit 12, an upper region 94 of the shield unit 14 covers the forehead recess 22 of the helmet shell 20. In the second relative position between the shield unit 14 and the head-fastening unit 12, in which the shield unit 14 is oriented at least substantially parallel to the head-fastening unit 12, a lower region 96 (see FIG. 1) covers the forehead recess 22 of the helmet shell 20.

    [0056] FIG. 4 shows the helmet shell 20, the head-fastening unit 12, the holding unit 18 and the strap unit 26 of the protection device 10 in a schematic exploded view from a front side.

    [0057] FIG. 5 shows two schematic illustrations of the helmet shell 20. An upper illustration of FIG. 5 shows a schematic side view of the helmet shell 20 in a state when it is connected with the head-fastening unit 12 via the holding unit 18. A lower illustration of FIG. 5 shows the helmet shell 20 in a schematic top view.

    [0058] The helmet shell 20 comprises a ventilation unit 48. The ventilation unit 48 comprises at least one ventilation opening 50. In the present case the ventilation unit 48 comprises the ventilation opening 50 and a further ventilation opening 102. The ventilation unit 48 further comprises at least one cover element 52, which is configured to cover the ventilation opening 52 at least partially. The ventilation unit 48 moreover comprises a further cover element 104, which is configured to cover the further ventilation opening 102 at least partially.

    [0059] The protection device 10 comprises at least one additional protection unit 114. In the present case the protection device 10 comprises the additional protection unit 114 (see FIG. 6), a further additional protection unit 116 (see FIG. 7) and a further additional protection unit 118 (see FIG. 8). The additional protection units 114, 116, 118 are in each case implemented as different further shield units 34, 36, 38, which are in each case exchangeable with the protection unit 110 that is embodied as a shield unit 14.

    [0060] FIG. 6 shows a schematic view of the additional protection unit 114, which is implemented as a further shield unit 34. The further shield unit 34 is embodied as a clear-view visor 40.

    [0061] FIG. 7 shows a schematic view of the further additional protection unit 116, which is implemented as a further shield unit 36. The further shield unit 36 is embodied as a lumberjack visor 42. A further protection element 106 of the further shield unit 36 which is embodied as a lumberjack visor 42 is implemented as a protective mesh 108.

    [0062] FIG. 8 shows a schematic view of the further additional protection unit 118, which is implemented as a further shield unit 38. Differently than the shield unit 14, the further shield unit 38 comprises a further protection element 44. The further protection element 44 is embodied as a sun protection element 46. The sun protection element 46 comprises a UV filter (not shown).