Foldable safety helmet

Abstract

The utility model provides a folding type safety helmet which comprises a main body part, a folding part, a folding structure and a knob, the folding structure and the knob are arranged between the main body part and the folding part, and a first side face of the main body part is detachably combined with a second side face of the folding part. The folding part can be selectively stored in at least one part of the main body part through the folding structure and the knob, so that the folding type safety helmet can be switched between a use state and a folding state; the knob can avoid unexpected separation between the main body part and the folding part, so that the driving safety of a user is guaranteed; by means of the folding structure, the space occupied by the folding type safety helmet can be reduced, and then the storage convenience of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a safety helmet, in particular to a folding safety helmet with folding structure. BACKGROUND

[0002] At present, the safety helmet applied to the bicycle is mostly made by integral molding, and the space volume is large, so that the user is not easy to store.

[0003] Therefore, the safety helmet with convenient storage is provided as the target to be developed in the related field. UTILITY MODEL CONTENTS

[0004] In order to develop a safety helmet with convenient storage, the utility model provides a folding safety helmet, which comprises a main body part, a folding part, and a folding structure arranged between the main body part and the folding part. The folding safety helmet is converted between a use state and a folding state by adjusting the length of the folding structure, wherein:

[0005] In the use state, the folding structure is at a first length, a first side of the main body part is detachably combined with a second side of the folding part.

[0006] When the folding structure is at a second length, the second side is away from the first side.

[0007] In the folding state, the folding structure is at a third length, and at least a part of the folding part is overlapped with the main body part.

[0008] The second length is greater than the first length, and the first length is greater than the third length.

[0009] In the use state, the first side and the second side are combined in concave-convex correspondence.

[0010] The first side and the second side comprise at least one concave part, and in the use state, the concave part forms a ventilation opening on the opposite sides of the main body part.

[0011] Preferably, the folding structure is an elastic rope.

[0012] Preferably, the folding structure is a pivot structure, which comprises:

[0013] A first pivot, which is pivotally arranged on a part of the main body part.

[0014] A first connecting piece, one end of which is pivotally connected with the first pivot, and the other end of which is arranged along the long direction of the first connecting piece.

[0015] a second pivot, the second pivot pivoting the first connecting member and a second connecting member; and

[0016] The second connecting member is provided with a second track along its length direction, and the first track and the second track provide a sliding space for the second pivot.

[0017] The first connecting member and the second connecting member are a rod.

[0018] The folding structure is made of metal, plastic or elastic material.

[0019] The first side and the second side are provided with a locking structure, wherein:

[0020] The first side is provided with a rotating groove and an opening on a part of the surface of the main body, a protruding shaft extends from the bottom surface of the rotating groove towards the folding part, the protruding shaft is provided with a large diameter part and a neck part, the large diameter part is formed at the end of the protruding shaft, and the large diameter part and the bottom surface form the neck part.

[0021] The second side protrudes a limiting rib towards the first side at the position corresponding to the rotating groove, and the limiting rib and the rotating groove are provided with a gap.

[0022] A knob is arranged between the first side and the second side, wherein:

[0023] A knob body is arranged in the rotating groove with the protruding shaft as the axis;

[0024] A pushing part is arranged at the opening to provide the user with a pushing part to rotate the knob; and

[0025] A locking rib is connected to the knob body and accommodated in the rotating groove, and the locking rib extends into or moves out of the gap according to the rotating direction of the knob body.

[0026] Further, the pushing part can be a rough surface formed on the knob body.

[0027] Further, the pushing part can be a pushing rod which protrudes and extends out of the opening of the rotating groove on the surface of the knob body. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a three-dimensional schematic diagram of the embodiment of the utility model;

[0029] Figure 2 It is a cross-sectional view of the knob of the embodiment of the utility model;

[0030] Figure 3The folding structure schematic view of the utility model embodiment;

[0031] Figure 4 The use state schematic view of the utility model embodiment;

[0032] Figure 5 The folding state schematic view of the utility model embodiment.

[0033] Symbol explanation:

[0034] 10 folding safety helmet

[0035] 11 main body part

[0036] 111 first side surface

[0037] 1111 recess

[0038] 112 rotating groove

[0039] 1121 opening

[0040] 1122 bottom surface

[0041] 113 protruding shaft

[0042] 1131 large diameter part

[0043] 1132 neck part

[0044] 12 folding part

[0045] 121 second side surface

[0046] 122 limiting rib

[0047] 123 gap

[0048] 124 vent

[0049] 13 folding structure

[0050] 131 first pivot

[0051] 132 second pivot

[0052] 133 first connecting piece

[0053] 1331 first track

[0054] 134 second connecting piece

[0055] 1341 second track

[0056] 14 knob

[0057] 141 knob body

[0058] 142 pushing part

[0059] 143 locking ribs DETAILED DESCRIPTION

[0060] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0061] The present invention is described in further detail below with reference to the accompanying drawings:

[0062] Please refer to Figure 1 as well as Figure 4 The present invention provides a foldable safety helmet 10, which includes a main body 11 and a folding portion 12, as well as a folding structure 13 and a knob 14 disposed between the main body 11 and the folding portion 12. A first side surface 111 of the main body 11 and a second side surface 121 of the folding portion 12 are detachably coupled, and the folding portion 12 can be selectively retracted into at least a portion of the main body 11 via the folding structure 13 and the knob 14, so that the foldable safety helmet 10 can be switched between a use state and a folded state.

[0063] The main body 11 and the folding portion 12 are generally a curved structure. When the folding portion 12 is received in at least a portion of the main body 11 , a convex surface of the folding portion 12 corresponds to a concave surface of the main body 11 .

[0064] In this embodiment, the foldable safety helmet 10 includes a main body 11 and two folding parts 12. The two folding parts 12 are symmetrically arranged on two of the first side surfaces 111 on opposite sides of the main body 11. The two folding parts 12 further constitute the brim of one of the opposite sides of the foldable safety helmet 10.

[0065] In the use state, the second side surface 121 of the folding portion 12 is connected to the first side surface 111 of the main body portion 11 in a concave-convex manner.

[0066] Preferably, a locking structure is formed between the first side 111 and the second side 121 to prevent the main body 11 from being separated from the folding portion 12 unintentionally. For example, the first side 111 extends a spring piece towards the folding portion 12, and the spring piece has a hook portion at the end thereof. The second side 121 has a hook groove corresponding to the spring piece. During the combination of the main body 11 and the folding portion 12, the spring piece is elastically deformed until the hook portion is combined with the hook groove, and then the spring piece is restored. Thus, the main body 11 can be combined with the folding portion 12 stably.

[0067] Please refer to Figure 1 and Figure 2 In the embodiment, the locking structure can be a switch device to determine the combination of the main body 11 and the folding portion 12. For example, the first side 111 has a rotating groove 112 and a protruding shaft 113. The rotating groove 112 is recessed in the first side 111, and the rotating groove 112 has an opening 1121 on the surface of the main body 11. The protruding shaft 113 extends from a bottom surface 1122 of the rotating groove 112 towards the folding portion 12. The protruding shaft 113 has a large diameter portion 1131 and a neck portion 1132. The large diameter portion 1131 is formed at the end of the protruding shaft 113, and the neck portion 1132 is formed between the large diameter portion 1131 and the bottom surface 1122. The second side 121 has a limiting rib 122 protruding towards the first side 111 corresponding to the position of the rotating groove 112. A gap 123 is formed between the limiting rib 122 and the rotating groove 112.

[0068] Further, the first side 111 or the second side 121 has at least one recess 1111. In the use state, the main body 11 and the folding portion 12 are combined with each other by the first side 111 and the second side 121, so that the recess 1111 can be used as a ventilation port 124 to achieve the effect of air ventilation and heat dissipation when worn. When the folding safety helmet 10 is folded, the user can put his hand into the ventilation port 124 to facilitate the disassembly of the folding portion 12 from the main body 11.

[0069] In the embodiment, the first side 111 and the second side 121 each have the recess 1111, and in the use state, the two recesses 1111 correspond to each other and form the ventilation port 124 together.

[0070] A knob 14 is disposed between the first side 111 and the second side 121, the knob 14 includes a knob body 141 and a locking rib 143. The knob body 141 is disposed in the rotation groove 112 with the protruding shaft 113 as the axis. The knob body 141 includes a knob portion 142 corresponding to the opening 1121 of the rotation groove 112, for example, the knob portion 142 is a rough surface formed on the knob body 141, so that the user can rotate the knob body 141 with the protruding shaft 113 as the axis by means of the opening 1121.

[0071] In this embodiment, the knob portion 142 can be a knob lever, which protrudes and extends to the outside of the opening 1121 of the rotation groove 112 on the surface of the knob body 141, so that the user can rotate the knob body 141 with the protruding shaft 113 as the axis by means of the opening 1121.

[0072] The locking rib 143 is connected to the knob body 141 and accommodated in the rotation groove 112, when the knob body 141 rotates with the protruding shaft 113 as the axis relative to the rotation groove 112, the locking rib 143 can selectively extend into or move out of the gap 123 according to the rotation direction of the knob body 141, when the locking rib 143 extends into the gap 123, the main body portion 11 and the folding portion 12 are locked and combined with each other.

[0073] The folding structure 13 is formed between the main body portion 11 and the folding portion 12 to connect the main body portion 11 and the folding portion 12, and during the conversion of the folding safety helmet 10 between the use state and the folding state, the folding structure 13 can adjust the length of the folding structure 13 according to the difference in state, in other words, the length of the folding structure 13 is adjustable.

[0074] Please refer to Figure 1 , this embodiment is the use state of the folding safety helmet 10, the length of the folding structure 13 is a first length, so that the main body portion 11 and the folding portion 12 are close to each other, and the first side 111 and the second side 121 are concave-convex corresponding combination, in other words, the main body portion 11 and the folding portion 12 are corresponding connected.

[0075] Please refer to Figure 4 , this embodiment is the state during folding of the folding safety helmet 10, the length of the folding structure 13 is a second length, so that the main body portion 11 and the folding portion 12 are away from each other, and the folding structure 13 is adjusted to the maximum length of the folding structure 13, the first side 111 and the second side 121 are separated, in other words, the folding portion 12 and the main body portion 11 are spaced apart.

[0076] Please refer to Figure 5In the folding state of the folding safety helmet 10, the length of the folding structure 13 is a third length, so that the folding portion 12 is received in the main body portion 11, and the folding structure 13 is folded to the minimum length of the folding structure 13, and the first side surface 111 and the second side surface 121 are separated.

[0077] The second length is greater than the first length, and the first length is greater than the third length.

[0078] The folding structure 13 can be a wire, through which the folding safety helmet 10 is not limited in the angle between the main body portion 11 and the folding portion 12 when disassembled.

[0079] Preferably, the wire is made of an elastic material, such as rubber, spring, etc.

[0080] Preferably, in the use state of the folding safety helmet 10, the wire connecting the main body portion 11 and the folding portion 12 is in a stretched state. Through the elastic recovery force of the elastic material, the elastic recovery force drives the folding portion 12 to be quickly folded into the main body portion 11 and not easily separated from the main body portion 11 during folding.

[0081] Please refer to Figure 4 and Figure 5 The folding structure 13 can also be a pivot structure, which includes a first pivot 131, a second pivot 132, a first connecting piece 133, and a second connecting piece 134.

[0082] The first connecting piece 133 and the second connecting piece 134 are a rod.

[0083] The first pivot 131 and one end of the first connecting piece 133 are pivotally arranged on a part of the main body portion 11, so that the first connecting piece 133 rotates relative to the main body portion 11 with the first pivot 131 as the center; the second pivot 132 is used to pivotally connect the first connecting piece 133 and the second connecting piece 134, so that the second connecting piece 134 rotates relative to the first connecting piece 133 with the second pivot 132 as the center.

[0084] Further, the first connecting piece 133 and the second connecting piece 134 are respectively provided with a first track 1331 and a second track 1341 along the length direction thereof, to provide a sliding space for the second pivot 132 pivotally arranged in the first track 1331 and the second track 1341, in other words, during the conversion between the use state and the folding state, the second pivot 132 can move to the most appropriate position of the first track 1331 and the second track 1341 by using the sliding space.

[0085] Further, the folding structure 13 can include, but is not limited to, the second pivot 132 in the embodiment to pivot the first connecting piece 133 and the second connecting piece 134, in other words, the folding structure 13 can include a plurality of connecting pieces pivoted by a plurality of second pivots 132 to improve the disassembly flexibility of the folding safety helmet 10.

[0086] In summary of the above embodiments, the folding safety helmet 10 provided by the utility model can produce the following effects:

[0087] 1. The main body 11 can be disassembled and folded inward to the inside of the main body 11 through the folding structure 13 and the knob 14, reducing the volume occupied by the storage.

[0088] 2. The knob 14 is pushed backward towards the end of the folding part 12 to be locked, avoiding the front end of the folding safety helmet 10 from being impacted by external force, causing the main body 11 and the folding part 12 to be loose, affecting the safety of the user driving.

[0089] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A foldable safety helmet, characterized in that: The foldable helmet comprises a main body, a folding portion, and a folding structure disposed between the main body and the folding portion. The foldable helmet can be switched between a use state and a folded state by adjusting the length of the folding structure. In the use state, the folding structure is at a first length, and a first side surface of the main body and a second side surface of the folding portion are detachably combined; When the folded structure is at a second length, the second side surface is away from the first side surface; In the folded state, the folded structure is at a third length, and at least a portion of the folded portion overlaps the main body; and The second length is greater than the first length, and the first length is greater than the third length.

2. The foldable helmet according to claim 1, wherein: In the use state, the first side surface and the second side surface are connected with each other in a concave-convex manner.

3. The foldable helmet according to claim 1, wherein: The first side surface and the second side surface include at least one recess.

4. The foldable helmet according to claim 1, wherein: The folding structure is an elastic rope.

5. The foldable helmet according to claim 1, wherein: The folding structure is a pivoting structure, which includes: a first pivot, the first pivot being pivotally mounted on a portion of the main body; a first connecting member, one end of which is pivotally connected to the first pivot, and the other end of which is provided with a first track along its length; a second pivot, the second pivot pivotally connecting the first connecting member and a second connecting member; and The second connecting member is provided with a second track along its length direction. The first track and the second track provide a sliding space for the second pivot.

6. The foldable helmet according to claim 4, wherein: The first connecting member and the second connecting member are rod-shaped objects.

7. The foldable safety helmet according to claim 2 or 3, characterized in that: The folding structure is made of metal, plastic or elastic material.

8. The foldable safety helmet according to claim 1, wherein: A locking structure is included between the first side surface and the second side surface, wherein: The first side surface includes a rotation groove and an opening formed on a portion of the surface of the main body. A protruding shaft extends from a bottom surface of the rotation groove toward the folded portion. The protruding shaft includes a large diameter portion and a neck portion. The large diameter portion is formed at the end of the protruding shaft, and the neck portion is formed between the large diameter portion and the bottom surface. The second side surface corresponds to the position of the rotation slot, and a limiting rib protrudes toward the first side surface, and a gap is formed between the limiting rib and the rotation slot; and A knob is disposed between the first side surface and the second side surface, wherein: a knob body, the knob body being disposed in the rotation slot with the protruding shaft as the axis; a toggle portion, the toggle portion being installed at the opening to allow the user to toggle and rotate the knob; and A locking rib is connected to the knob body and accommodated in the rotation slot. The locking rib extends into or moves out of the gap according to the rotation direction of the knob body.

9. The foldable safety helmet according to claim 8, wherein: The dial portion is a rough surface formed on the knob body.

10. The foldable safety helmet according to claim 8, wherein: The shifting portion is a shifting rod, and the shifting rod protrudes from the surface of the knob body and extends out of the opening of the rotation slot.

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