Helmet adjuster

Abstract

A helmet adjuster is installed on the inner side of a helmet and comprises an adjuster body, a left strap and a right strap, the left strap and the right strap are installed on the left side and the right side of the adjuster body respectively, first installation holes are formed in the left strap and the right strap respectively, and the first installation holes and the inner side of the helmet are installed in a clamped mode; a plurality of rows of second mounting holes are further formed in the front end of the inner side of the helmet, a plurality of rows of buckling columns are further arranged at the free end of the left strap, a plurality of rows of buckling through holes are further correspondingly formed in the free end of the right strap, and the buckling columns can sequentially penetrate through the buckling through holes and are embedded in the second mounting holes. By designing the left strap and the right strap of which the end parts are provided with the penetrating clamping structures, the helmet adjuster not only can be rotated and finely adjusted through the ratchet wheel structure, but also can greatly adjust the overall size of the helmet adjuster through the penetrating clamping structures, so that a helmet product can be suitable for different users; the utility model has the advantages of strong practicability and strong popularization significance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sports goods, especially to a helmet adjuster. BACKGROUND

[0002] In recent years, due to the rise of outdoor cycling activities such as fitness, tourism, and the current situation that electric vehicles and other transportation tools are widely used, the market of cycling protective products has also risen with the tide. Especially the protective helmets used for cycling are the most important, because head injuries are very serious during cycling, and protective helmets have considerable buffering effect to avoid or greatly reduce the situation of head injuries.

[0003] The existing part of the helmet design, the lining structure is often fixed size, so this kind of helmet needs to choose different size according to different users, and different specifications of the helmet is difficult to be suitable for different cyclists to wear, and the applicability is very poor. In order to improve this problem, people have designed various adjustable size helmet adjusters, but the conventional helmet adjuster often has limited adjustment range and cannot adapt to helmets with too large size. And the adjustment mode of the conventional helmet adjuster is gear type, which is difficult to operate when the adjustment range is too large. SUMMARY

[0004] Therefore, it is necessary to provide a helmet adjuster in view of the deficiencies in the prior art.

[0005] A helmet adjuster is installed on the inner side of the helmet, which comprises an adjuster and left and right side of the adjuster. The left and right side of the adjuster is provided with a first installation hole, and the first installation hole is matched with the inner side of the helmet. The inner side of the helmet is also provided with a plurality of second installation holes, and the free end of the left strap is also provided with a plurality of buckling columns. The free end of the right strap is also provided with a plurality of buckling through holes, and the buckling column can pass through the buckling through hole in sequence and be embedded in the second installation hole.

[0006] Further, the buckling column comprises a clamping column and a threaded column. The side section and the top section of the clamping column are designed as "T" and rectangle respectively, and the bottom end of the clamping column is integrally arranged on the outer side of the free end of the left strap. The side section of the threaded column is designed as an umbrella shape, and the bottom end of the threaded column is integrally arranged on the top end of the clamping column. The buckling through hole is designed as a rectangle, and one side of the free end of the buckling through hole is also provided with a limiting gap. The threaded column and the clamping column can pass through the buckling through hole in sequence, and the threaded column can be embedded in the second installation hole. The bottom end of the clamping column can be clamped and limited by the limiting gap.

[0007] Further, the adjuster comprises a mounting shell, an adjusting gear, an adjusting knob, a front cover plate and a rear cover plate. The mounting shell is provided with a mounting hole and a through slot extending along the mounting shell and communicating with the mounting hole, the adjusting gear is arranged in the mounting hole from back to front, the adjusting knob is sleeved on the adjusting gear and can drive the adjusting gear to rotate synchronously, the front cover plate covers the front side of the mounting shell and is located outside the through slot, and the rear cover plate covers the rear side of the mounting shell and limits the adjusting gear and the adjusting knob.

[0008] Further, the front end and the rear end of the adjusting gear are respectively provided with a clamping tooth and an elastic pawl, the adjusting knob is designed in a ring structure and is provided with an assembly hole penetrating from front to back in the center, the rear end edge of the assembly hole is further provided with a mounting notch, and the front side of the rear cover plate is correspondingly provided with a ratchet wheel. The adjusting gear is arranged in the assembly hole of the adjusting knob from back to front, and the elastic pawl is limited by the mounting notch, the rear cover plate covers the adjusting knob and the adjusting gear from back to front, and the elastic pawl and the ratchet wheel are meshed with each other.

[0009] Further, the helmet adjuster further comprises a buffer pad, the buffer pad is arranged on the front side of the adjuster and is attached to the outer side of the front cover plate, and the buffer pad is made of a plastic material.

[0010] Further, the mounting shell is further provided with a mounting band, the mounting band is designed in an inverted "Y" shape, the two ends of the bottom of the mounting band are integrally arranged on the upper end of the mounting shell, and the upper end of the mounting band is further provided with a clamping mounting structure.

[0011] Further, the clamping mounting structure is at least one of a mounting protruding column or a mounting clamping hole.

[0012] In summary, the helmet adjuster has the following advantages: through the design of the left and right bands provided with the through clamping structure at the end, the helmet adjuster can not only be finely adjusted through the ratchet wheel structure, but also can be greatly adjusted in size through the through clamping structure, so that the helmet product can be applied to more different users; the through structure on the band is designed in a unique clamping mode, which can ensure the firmness of clamping and the convenience of disassembly; the adjuster is designed in a ratchet structure, so that the user can only rotate the knob to finely adjust the size of the band, which is more convenient for the user to adjust and wear; the front side of the adjuster is additionally provided with a buffer pad structure, which can effectively protect the back of the user's head from excessive impact and increase the comfort during wearing; the helmet adjuster has strong practicability and strong popularization significance. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the first embodiment of the helmet adjuster.

[0014] Figure 2 for Figure 1 the exploded view of the regulator in the second embodiment of the helmet regulator of the present utility model;

[0015] Figure 3 for Figure 2 the front view of the exploded view of the regulator in the second embodiment of the helmet regulator of the present utility model;

[0016] Figure 4 for Figure 2 the back view of the exploded view of the regulator in the second embodiment of the helmet regulator of the present utility model;

[0017] Figure 5 for Figure 2 the structural view of the left strap in the second embodiment of the helmet regulator of the present utility model;

[0018] Figure 6 for Figure 5 the enlarged structural view of the A part in the second embodiment of the helmet regulator of the present utility model;

[0019] Figure 7 for Figure 2 the structural view of the right strap in the second embodiment of the helmet regulator of the present utility model;

[0020] Figure 8 for Figure 7 the enlarged structural view of the B part in the second embodiment of the helmet regulator of the present utility model;

[0021] Figure 9 the structural view of the second embodiment of the helmet regulator of the present utility model;

[0022] Figure 10 the structural view of the third embodiment of the helmet regulator of the present utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear and understandable, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0024] As Figures 1 to 8 shown, the first embodiment of the helmet regulator 100 of the present utility model is provided, which is installed on the inner side of a helmet (not shown in the figure), and which comprises a regulator 10 and left and right straps 20 and 30 installed on the left and right sides of the regulator 10, wherein the left and right straps 20 and 30 are respectively provided with first installation holes 40, and the first installation holes 40 are installed in the inner side of the helmet in a clamping manner.

[0025] The adjuster 10 comprises a mounting shell 11, an adjusting gear 12, an adjusting knob 13, a front cover plate 14 and a rear cover plate 15. The mounting shell 11 is provided with a mounting hole 111 and a through slot 112 extending along the mounting shell 11 and communicating with the mounting hole 111, the adjusting gear 12 is through-mounted in the mounting hole 111 from back to front, the adjusting knob 13 is sleeved on the adjusting gear 12 and can drive the adjusting gear 12 to rotate synchronously, the front cover plate 14 covers the front side of the mounting shell 11 and is located outside the through slot 112, and the rear cover plate 15 covers the rear side of the mounting shell 11 and limits the installation of the adjusting gear 12 and the adjusting knob 13. The connecting ends of the left strap 20 and the right strap 30 are respectively through-mounted in the mounting hole 111 along the through slot 112 and are engaged with the adjusting gear 12.

[0026] When it is necessary to adjust the surrounding size of the left strap 20 and the right strap 30 to adapt to the head of the user, the adjusting knob 13 is only needed to be rotated to drive the adjusting gear 12 to rotate. The rotating adjusting gear 12 further drives the left end of the left strap 20 and the right end of the right strap 30 to retract or extend along the through slot 112, so as to realize the adjustment of the surrounding size of the left strap 20 and the right strap 30. The adjustment of the ratchet structure is continuous and smooth, so that more accurate and subtle adjustment requirements can be realized.

[0027] The front end and the rear end of the adjusting gear 12 are respectively provided with a clamping tooth 121 and an elastic pawl 122, the adjusting knob 13 is designed in a ring structure and is provided with an assembly hole 131 penetrating from front to back in the center thereof, the rear end edge of the assembly hole 131 is further provided with a mounting notch 132, and the front side of the rear cover plate 15 is correspondingly provided with a ratchet wheel 151. The adjusting gear 12 is through-mounted in the assembly hole 131 of the adjusting knob 13 from back to front, and the elastic pawl 122 is limited by the mounting notch 132, the rear cover plate 15 covers the adjusting knob 13 and the adjusting gear 12 from back to front, and the elastic pawl 122 and the ratchet wheel 151 are engaged with each other. The cooperation of the elastic pawl 122 and the ratchet wheel 151 can fix the adjusting knob 13 and the adjusting gear 12 to a certain extent, so as to avoid the rotation of the two caused by the pulling force of the left strap 20 and the right strap 30 and the like, so that the deformed size is invalid.

[0028] The inner front end of the helmet is also provided with a plurality of rows of second mounting holes (not shown in the figure), the free end of the left strap 20 is also provided with a plurality of rows of buckling columns 21, the free end of the right strap 30 is also correspondingly provided with a plurality of rows of buckling through holes 31, the buckling column 21 can be sequentially inserted into the buckling through hole 31 and embedded in the second mounting hole. The helmet adjuster 100 with the buckle structure can flexibly combine or separate the left strap 20 and the right strap 30, so as to realize the substantial tightening or loosening of the overall size of the helmet adjuster 100, so as to facilitate the different users to cope with the firmness or comfort of wearing. And the design of multiple groups of buckling columns 21 and multiple groups of buckling through holes 31 not only can improve the firmness of the buckling connection of the left strap 20 and the right strap 30, but also can adjust the size of the buckling structure according to the needs, so as to adapt to users with different sizes of head.

[0029] The buckling column 21 includes a clamping column 211 and a penetrating column 212. The side cross section and the top view cross section of the clamping column 211 are designed as "T" shape and rectangle respectively, and the bottom end of the clamping column 211 is integrally arranged outside the free end of the left strap 20. The side cross section of the penetrating column 212 is designed as an umbrella shape, and the bottom end of the penetrating column 212 is integrally arranged at the top end of the clamping column 211. The buckling through hole 31 is designed as a rectangle, and one side of the free end of the buckling through hole 31 is also provided with a limiting gap 311. The penetrating column 212 and the clamping column 211 can be sequentially inserted into the buckling through hole 31, and the penetrating column 212 can be embedded in the second mounting hole, and the bottom end of the clamping column 211 can be clamped and limited by the limiting gap 311.

[0030] The clamping column 211 with "T" shape and the corresponding limiting gap 311 can ensure the firmness of the penetration and limitation between the buckling column 21 and the buckling through hole 31, effectively avoiding the accidental breakage of the two. The umbrella-shaped penetrating column 212 can be embedded with the second mounting hole, so that the helmet adjuster 100 is more firmly mounted inside the helmet, and the umbrella-shaped penetrating column 212 also facilitates the alignment of the buckling column 21 and the buckling through hole 31.

[0031] Specifically in this embodiment, the helmet adjuster 100 also includes a buffer pad (not shown in the figure), which is arranged on the front side of the adjuster 10 and adheres to the outside of the front cover plate 14, and the material of the buffer pad is plastic material. It can be understood that in other embodiments, the material of the buffer pad can also be other elastic buffer materials, such as silica gel material, soft rubber material, etc.

[0032] The cushion pad arranged on the front side of the adjuster 10 can play a great cushioning effect, avoiding the direct abutment of the user's back head part with the hard shell of the adjuster 10, thereby greatly improving the comfort of the user wearing, and also enhancing the resistance of the user's back head to impact. For example, after being hit during cycling, the added cushion pad can reduce the probability of brain concussion of the wearer's brain and reduce the damage to the head impact.

[0033] As shown in Figure 9 The utility model also provides a second embodiment of a helmet adjuster 100, which is basically the same as the first embodiment, except that the mounting shell 11 is further provided with a mounting band 113, which is designed in an inverted "Y" shape, with both ends of the bottom integrated into the upper end of the mounting shell 11. The upper end of the mounting band 113 is further provided with a mounting protruding column 113a.

[0034] As shown in Figure 10 The utility model also provides a third embodiment of a helmet adjuster 100, which is basically the same as the first embodiment, except that the mounting shell 11 is further provided with a mounting band 113, which is designed in an inverted "Y" shape, with both ends of the bottom integrated into the upper end of the mounting shell 11. The upper end of the mounting band 113 is further provided with a mounting clamping hole 113b.

[0035] The mounting band 113 structure added in the second and third embodiments can make the helmet adjuster 100 more convenient and secure to be combined and installed with the helmet body. At the same time, the mounting band 113 and the hoop band structure on both sides can form a triangular wrapping structure, so that the user can also wear the helmet product more securely and reliably.

[0036] In summary, the utility model has the beneficial effects of a helmet adjuster 100: by designing the left hoop band 20 and the right hoop band 30 with the through-clamping structure at the end, the helmet adjuster 100 can not only be adjusted by the ratchet 151 structure, but also can be greatly adjusted in size by the through-clamping structure, so that the helmet product can be suitable for more different users; the through-clamping structure on the hoop band is designed in a unique clamping mode, which can ensure the firmness of clamping and the convenience of disassembly; the adjuster 10 is designed as a ratchet structure, which can only be adjusted by rotating the knob, and it is also more convenient for users to adjust and wear; the front side of the adjuster 10 is provided with a cushion pad structure, which can effectively protect the user's back head from excessive impact, and also increase the comfort during normal wearing; the utility model has strong practicality and strong popularization significance.

[0037] The above-described embodiments only express one implementation of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A headgear adjuster to be fitted to the inside of a headgear, characterised in that: The helmet regulator comprises a regulator and left and right side bands installed on the left and right sides of the regulator, wherein the left and right side bands are respectively provided with first installation holes which are installed on the inner side of the helmet in a clamping manner; the inner side of the helmet is further provided with a plurality of rows of second installation holes at the front end thereof; the free end of the left side band is further provided with a plurality of rows of clamping columns; the free end of the right side band is further provided with a plurality of rows of clamping through holes; the clamping columns can be sequentially inserted into the clamping through holes and embedded in the second installation holes.

2. The headgear adjuster of Claim 1, wherein: The clamping column comprises a clamping column and a penetrating column; the side section and top section of the clamping column are respectively designed as a "T" shape and a rectangle; the bottom end of the clamping column is integrally arranged on the outer side of the free end of the left side band; the side section of the penetrating column is designed as an umbrella shape; the bottom end of the penetrating column is integrally arranged on the top end of the clamping column; the clamping through hole is designed as a rectangle; one side of the free end of the clamping through hole is further provided with a limiting gap; the penetrating column and the clamping column can be sequentially inserted into the clamping through hole; the penetrating column can be embedded in the second installation hole; the bottom end of the clamping column can be clamped and limited by the limiting gap.

3. The headgear adjuster of Claim 1, wherein: The regulator comprises a mounting shell, an adjusting gear, an adjusting knob, a front cover plate and a rear cover plate; the mounting shell is provided with a mounting hole and a penetrating slot which is in communication with the mounting hole and extends to both sides of the mounting shell; the adjusting gear is penetratingly arranged in the mounting hole from back to front; the adjusting knob is sleeved on the adjusting gear and can drive the adjusting gear to rotate synchronously; the front cover plate is arranged on the front side of the mounting shell and outside the penetrating slot; the rear cover plate is arranged on the rear side of the mounting shell and limits the arrangement of the adjusting gear and the adjusting knob; the connecting ends of the left and right side bands are penetratingly arranged in the mounting hole along the penetrating slot and are in meshing connection with the adjusting gear.

4. The headgear adjuster of Claim 3, wherein: The front end and the rear end of the adjusting gear are respectively provided with a clamping tooth and an elastic pawl; the adjusting knob is designed as a ring structure and is provided with an assembly hole which penetrates from front to back in the center thereof; the rear end edge of the assembly hole is further provided with an installation gap; the front side of the rear cover plate is correspondingly provided with a ratchet wheel; the adjusting gear is penetratingly arranged in the assembly hole of the adjusting knob from back to front, and the elastic pawl is clamped and limited by the installation gap; the rear cover plate is arranged on the adjusting knob and the adjusting gear from back to front, and the elastic pawl and the ratchet wheel are in meshing connection with each other.

5. The headgear adjuster of Claim 3, wherein: The helmet regulator further comprises a buffer pad which is installed on the front side of the regulator and is attached to the outer side of the front cover plate; the buffer pad is made of plastic material.

6. The headgear adjuster of Claim 3, wherein: The mounting shell is further provided with a mounting band which is designed as an inverted "Y" shape; the bottom ends of the mounting band are integrally arranged on the upper end of the mounting shell; the upper end of the mounting band is further provided with a clamping installation structure.

7. The headgear adjuster of Claim 6, wherein: The clamping installation structure is at least one of a mounting protruding column or a mounting clamping hole.

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