Adjustable air cushion type safety helmet

Abstract

The utility model provides an adjustable air cushion type safety helmet which comprises a helmet shell and a keel frame arranged in the helmet shell, and an adjustable air cushion device is arranged in the keel frame. The first air bag assembly can be attached to the head top, the second air bag assembly can be arranged on the head in a surrounding mode, and the inflation and deflation assembly can be used for independently adjusting the inflation volume of the first air bag assembly and the inflation volume of the second air bag assembly. The first air bag assembly and the second air bag assembly are detachably connected with the keel frame. According to the safety helmet, the multiple air bags which can be independently adjusted and independently arranged can be better attached to different head types, the safety helmet is detachable and convenient to maintain, and when the safety helmet is subjected to external force, head impact can be relieved so that multiple protection can be achieved. The utility model has the beneficial effects of fastening wearing, improved wearing comfort, detachability, convenience in cleaning and maintenance, simple structure, low manufacturing cost and improved safety.

Description

Technical Field

[0001] The utility model belongs to the field of construction tools, in particular to an adjustable air cushion type safety helmet. Background Art

[0002] In the existing technology, the hard hat is the most widely used personal safety protection product in construction, which is mainly used to protect the head from being hit and injured by foreign objects, and to avoid and reduce the impact and squeezing of objects. At present, the existing hard hats are only tightened and adjusted by adjusting straps, and cannot be adapted to the head of the person; the lining of the hard hat is easy to fall off after a period of use, causing the keel to be exposed. Since the keel is hard plastic, direct use again will cause strangulation injuries to the head and face, and the hard material will cause secondary injuries when subjected to external forces. There are technical problems such as poor fit with the heads of different people and easy secondary injuries caused by hard contact with the head. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an adjustable air cushion type safety helmet, which is particularly suitable for people with different head shapes to wear comfortably and safely.

[0004] The technical solution adopted by the utility model is: an adjustable air cushion type safety helmet, comprising a helmet shell and a keel frame arranged in the helmet shell, an adjustable air cushion device is arranged in the keel frame, and the adjustable air cushion device comprises a first air bag component that can be attached to the top of the head, a second air bag component that can be arranged around the head, and an inflation and deflation component for adjusting the inflation amount of the first air bag component and the second air bag component.

[0005] Furthermore, the first airbag assembly includes a first communicating airbag and a top airbag arranged at the top of the keel frame, and the top airbag is connected to the inflation and deflation assembly through the first communicating airbag.

[0006] Furthermore, the second airbag assembly includes an annular airbag that can be sleeved in the keel frame and second communicating airbags symmetrically arranged on both sides of the annular airbag, and the annular airbag is connected to the inflation and deflation assembly through the second communicating airbags.

[0007] Furthermore, the inflation and deflation assembly includes a first adjustment component that can independently adjust the inflation amount of the first airbag assembly, and also includes a second adjustment component that can independently adjust the inflation amount of the second airbag assembly. The first adjustment component and the second adjustment component are respectively connected to the keel frame.

[0008] Furthermore, the first airbag assembly and the second airbag assembly are respectively detachably connected to the keel frame.

[0009] Furthermore, the keel frame includes a top plate and a plurality of struts arranged at circumferential intervals along the inner wall of the helmet shell. The top plate is fixed at the intersection of the plurality of struts extending from the bottom of the helmet shell to the top of the helmet shell. Each strut is connected to the edge of the top plate. A buffer space is formed on one side of the top plate and the inner side of the top of the helmet shell, and a first airbag assembly is arranged on the other side for multiple protections.

[0010] Furthermore, the keel frame also includes a protective hoop, which is sleeved on the second airbag assembly close to the helmet shell side and connected to at least one stay.

[0011] The advantages and positive effects of the utility model are as follows: due to the adoption of the above technical scheme, a plurality of individually adjustable and independently arranged air bags can be used to better fit different head shapes, the helmet can be worn securely while improving wearing comfort, and the helmet can be disassembled for easy maintenance. At the same time, when the helmet is impacted by external force, the impact can be reduced to provide multiple protections; the utility model has the advantages of simple structure, easy maintenance, improved construction safety and improved wearing comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a cross-sectional structural diagram of an embodiment of the utility model.

[0013] Figure 2 This is a structural diagram of a keel frame and an adjustable air cushion device in an embodiment of the utility model.

[0014] Figure 3 yes Figure 2 A schematic diagram of the structure of the second airbag assembly is shown for easy viewing

[0015] Figure 4 This is a side view of the second airbag assembly in an embodiment of the utility model

[0016] Figure 5 This is a side view of an embodiment of the utility model

[0017] Figure 6 This is a rear view of an embodiment of the utility model

[0018] In the figure:

[0019] 1. Cap shell 2. Keel frame 3. First airbag assembly

[0020] 4. Second airbag assembly 5. Inflation and deflation assembly 6. Velcro

[0021] 7. Adjustment belt 11, connection hole 12, connection piece

[0022] 21. Top plate 22. Support bar 23. Protective hoop

[0023] 31, top airbag 32, first connecting airbag 41, annular airbag

[0024] 42, second communication airbag 51, first adjustment component 52, second adjustment component DETAILED DESCRIPTION

[0025] The following is a description of the embodiments of the present invention in conjunction with the accompanying drawings. The described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar units or units with the same or similar functions.

[0027] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "installation", "connection", "fixation" and the like should be understood in a broad sense, and may refer to direct connection, installation or fixation, or indirect connection, installation or fixation, and the present invention does not limit this.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] like Figures 1 to 6As shown, a schematic diagram of an embodiment of an adjustable air cushion type safety helmet of the utility model comprises a helmet shell 1 and a keel frame 2 arranged in the helmet shell 1, an adjustable air cushion device is arranged in the keel frame 2, and the adjustable air cushion device comprises a first air bag component 3 that can be attached to the top of the head, a second air bag component 4 that can be arranged around the head, and an inflation and deflation component 5 for adjusting the inflation amount of the first air bag component 3 and the second air bag component 4. In this embodiment, the helmet shell 1 is provided with a plurality of connecting holes 11, and the helmet shell 1 and the keel frame 2 are connected to each other by installing a connecting piece 12 in the connecting hole 11, and the connecting piece 12 can be quickly connected and disassembled using a plastic anchor bolt or the like. The air cushion type safety helmet can also be provided with an adjustment belt 7, and the adjustment belt 7 can be connected to the helmet shell 1 or the keel frame 2, and the adjustment belt 7 can be conveniently carried and moved when the person is not wearing the safety helmet, and the adjustment belt 7 can be set as a retractable structure for adjusting the wearing. In this embodiment, the bottom of the hat shell 1 can also be set to be turned outward or slightly tilted downward to provide sun protection, thereby improving comfort and being more suitable for use in high temperatures or when the sun is strong, to avoid long-term direct sunlight causing damage to the eyes or dizziness when working on site.

[0030] In this embodiment, the first airbag assembly 3 includes a first connecting airbag 32 and a top airbag 31 arranged at the top of the keel frame 2, and the top airbag 31 is connected to the inflation and deflation assembly 5 through the first connecting airbag 32. The top airbag 31 can be customized to have a curved surface at the bottom to better fit the head; in other embodiments, it can also be narrow at the top and wide at the bottom, such as a trapezoid, which can be better filled in the keel frame 2, fully play the role of isolating the keel frame 2 from the head, avoid hard contact causing discomfort or indentation, and reduce secondary damage; the top airbag 31 can also be round, square, etc. The commonly used airbags are simple to make, low in processing cost, convenient to obtain materials and process, and easy to promote. The first connecting airbag 32 can be longitudinally arranged in the cap shell 1, and in this embodiment, it can be arranged at the back of the head, which can not only connect the top airbag 31 with the inflation and deflation assembly 5, but also can simultaneously isolate the keel frame 2 from the head, play a better protective effect on the back of the head, and fully reduce the impact of the adjustable air cushion type safety helmet on the head when it is subjected to external force.

[0031] In this embodiment, the second airbag assembly 4 includes an annular airbag 41 that can be sleeved in the keel frame 2 and second connecting airbags 42 symmetrically arranged on both sides of the annular airbag. The annular airbag 41 is connected to the inflation and deflation assembly 5 through the second connecting airbag 42. In this embodiment, the number of annular airbags 41 is one, and in other embodiments, it can also be multiple. Each annular airbag 41 has a different ring diameter but can be coaxially arranged with the keel frame 2, and is arranged in the keel frame 2 at intervals in the vertical direction; each annular airbag 41 is connected to the inflation and deflation assembly 5 at both ends through one or more second connecting airbags 42. In this embodiment, the annular airbag 41 can be arranged at the bottom of the keel frame 2. The annular airbag 41 is arranged horizontally in an annular shape and can be wrapped around the forehead. The second connecting airbag 42 is connected to the annular airbag 41 and can extend backward along the ear to the neck to form a comprehensive protection for the head. In the present embodiment, the first airbag assembly 3 and the second airbag assembly 4 are independently arranged, so as to isolate the rigid contact between the keel frame 2 and the head, and the gaps between them can also realize air circulation to achieve better heat dissipation effect, which is more suitable for wearing when the temperature is high; in other embodiments, the first airbag assembly 3 and the second airbag assembly 4 can also be designed to be close to each other to cover the entire keel frame 2 according to construction requirements, so as to improve construction safety.

[0032] In this embodiment, the inflation and deflation assembly 5 includes a first adjustment component 51 that can independently adjust the inflation amount of the first airbag assembly 3, and also includes a second adjustment component 52 that can independently adjust the inflation amount of the second airbag assembly 4. The first adjustment component 51 and the second adjustment component 52 are respectively connected to the keel frame 2. By independently adjusting the inflation amount of the first airbag assembly 3 and the second airbag assembly 4, it is convenient to adjust the inflation amount of only a local area when a person wears it, which can better adapt to people with different head shapes, play a tightening effect, and also improve the wearing comfort, avoid strangulation marks caused by over-tightening or frequent falling off of the safety helmet due to mismatch of tightness, and better improve construction safety.

[0033] The first adjustment component 51 and the second adjustment component 52 can be inflated by setting an inflation valve and an exhaust valve, blowing air into the inflation valve through the mouth, and then deflated through the exhaust valve; the inflation valve and the exhaust valve can also be designed to be wrapped, and inflated and deflated by pressing with the hands. In this embodiment, it is designed as a press-type control, and the specific press installation structure can be flexibly selected based on the common technical knowledge of technicians in this field, and the utility model does not limit it. The first adjustment component 51 and the second adjustment component 52 are arranged up and down at the rear of the helmet shell 1, and can be placed behind the head or neck for easy adjustment by personnel. In other embodiments, the first adjustment component 51 and the second adjustment component 52 can also be placed in other positions of the helmet shell 1 or set separately from each other to achieve inflation volume adjustment control.

[0034] In this embodiment, the first airbag assembly 3 and the second airbag assembly 4 are detachably connected to the keel frame 2. The detachable connection method can be achieved by designing the first airbag assembly 3 and the second airbag assembly 4 to have mutually peelable adhesion with the keel frame 2, more specifically by installing adhesive parts to achieve mutual connection. In this embodiment, a flexible Velcro 6 is used, which can not only fix the position of the adjustable air cushion device, but also quickly achieve installation and disassembly, facilitate personnel operation, avoid misalignment or falling off of the adjustable air cushion device, and the manufacturing materials are easy to obtain and the manufacturing cost is low. The first airbag assembly 3 and the second airbag assembly 4 can be disassembled separately for cleaning or replacement according to the usage. Compared with overall disassembly, it can better reduce the later maintenance cost and facilitate subsequent maintenance.

[0035] The detachable connection is achieved through the Velcro 6, so that the adjustable air cushion device can be applied to different keel frame 2 structures. In order to better achieve the stable use of the adjustable air cushion device, in this embodiment, the keel frame 2 includes a top plate 21 and a plurality of struts 22 arranged at intervals along the inner wall of the cap shell 1. The top plate 21 is fixed at the intersection of the plurality of struts 22 extending from the bottom of the cap shell 1 to the top of the cap shell 1. Each strut 22 is connected to the edge of the top plate 21. The top plate 21 can be arranged horizontally or slightly inclined. One side of it forms a buffer space with the inner side of the top of the cap shell 1, and the other side is provided with the first airbag assembly 3 for multiple protection. Multiple protection is performed through the buffer space and the adjustable air cushion device. The top plate 21 can facilitate the installation of the top airbag 31, which is convenient for increasing the bonding area of ​​the Velcro 6 and improving the stability of the device. The first airbag assembly 3 and the second airbag assembly 4 can increase the area according to the use requirements. The first airbag assembly 3 or the second airbag assembly 4 can be installed and disassembled through one or more Velcro 6. By using multiple Velcro 6, multi-point connection can be achieved, which improves the protection safety and increases the stability of use.

[0036] In this embodiment, the keel frame 2 further includes a protective hoop 23, which is sleeved on the side of the second airbag assembly 4 close to the cap shell 1 and connected to at least one stay 22. In this embodiment, the protective hoop 23 is connected to each stay 22 and is arranged at the end of the stay 22 away from the top plate 21. The protective hoop 23 can only cover the annular airbag 41, and in this embodiment, it also extends to synchronously cover the second connecting airbag 42, so as to better protect the second connecting airbag 42 and improve the service life of the components.

[0037] The method of using this embodiment includes the following steps:

[0038] After wearing the air cushion helmet, the inflation amount of the first airbag component 3 and / or the second airbag component 4 can be adjusted by the inflation and deflation component 5 to adapt to different head shapes and provide multiple protections. By adjusting the inflation amount, the head and the adjustable air cushion helmet can be better fitted to improve comfort. When the adjustable air cushion helmet is impacted by external force, the adjustable air cushion device can provide multiple protections to reduce impact damage and improve safety.

[0039] The first airbag assembly 3 and the second airbag assembly 4 can be disassembled separately for maintenance or repair. When replacement or cleaning is required, they only need to be disassembled separately from the Velcro 6 .

[0040] The above is a detailed description of the embodiments of the utility model, but the contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. An adjustable air cushion safety helmet, comprising a helmet shell and a keel frame arranged in the helmet shell, characterized in that: An adjustable air cushion device is arranged in the keel frame, and the adjustable air cushion device comprises a first air bag component which can be attached to the top of the head, a second air bag component which can be arranged around the head, and an inflation and deflation component for adjusting the inflation amount of the first air bag component and the second air bag component.

2. The adjustable air cushion safety helmet according to claim 1, characterized in that: The first airbag assembly includes a first connecting airbag and a top airbag arranged at the top of the keel frame, and the top airbag is connected to the inflation and deflation assembly through the first connecting airbag.

3. The adjustable air cushion safety helmet according to claim 1, characterized in that: The second airbag assembly includes an annular airbag that can be sleeved in the keel frame and second communicating airbags symmetrically arranged on both sides of the annular airbag. The annular airbag is connected to the inflation and deflation assembly through the second communicating airbags.

4. The adjustable air cushion safety helmet according to any one of claims 1 to 3, characterized in that: The inflation and deflation assembly includes a first adjustment component that can independently adjust the inflation amount of the first airbag assembly, and also includes a second adjustment component that can independently adjust the inflation amount of the second airbag assembly. The first adjustment component and the second adjustment component are respectively connected to the keel frame.

5. The adjustable air cushion safety helmet according to claim 1, characterized in that: The first airbag assembly and the second airbag assembly are respectively detachably connected to the keel frame.

6. The adjustable air cushion safety helmet according to claim 1, characterized in that: The keel frame includes a top plate and a plurality of struts arranged at intervals along the circumferential direction of the inner wall of the helmet shell. The top plate is fixed at the intersection of the plurality of struts extending from the bottom of the helmet shell to the top of the helmet shell. Each of the struts is connected to the edge of the top plate. One side of the top plate forms a buffer space with the inner side of the top of the helmet shell, and the other side is provided with the first airbag assembly for multiple protections.

7. The adjustable air cushion safety helmet according to claim 6, characterized in that: The keel frame also includes a protective hoop, which is sleeved on the second airbag assembly close to the helmet shell side and connected to at least one of the stays.

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