TWM247024U - Restrainer adjustment device for safety helmet - Google Patents

Description

M247024 IV. Creation Instructions (1) [Technical Field to which the New Type belongs] This creation relates to a beam lock adjustment device for a safety helmet, especially one installed inside the helmet, which can be formed into a three-point fixation, which can be worn on The appropriate position has the best comfort and safety, and has an adjustment function. The beam lock adjustment device can effectively and correctly fix the helmet on the user's head after adjustment. [Prior art] A conventional safety helmet worn when riding a bicycle is provided with a buckle strap inside to fix it on the user's head, but the buckle strap cannot effectively fix the helmet on the user On the head, the helmet will shake left, right and front and back, making it difficult to wear in the correct position and losing better comfort and safety. Therefore, a variety of beam lock devices are available on the market, which can prevent the helmet from shaking left, right, front and back, and some of the beam lock devices have an adjustment function so that the tightness of the beam lock device can be adjusted according to the user's head The part is adjusted appropriately to have better comfort and safety. However, the conventional safety helmet's beam lock device may still be loose after adjustment, and cannot be effectively fixed. Therefore, it is necessary to design complex components or mechanisms to fix it, causing inconvenience in manufacturing and assembly. Furthermore, the harness lock device of the conventional helmet is a ring-shaped structure, and most of them are fixed in the hat by a hook and loop or a buckle, and the fixing position can only be at the lower edge of the helmet body to adjust the space. Subject to considerable restrictions. In addition, when the beam locking device is tightened, most of them will press the blood vessels near the temples on both sides of the user's head, causing discomfort in wearing.

M247024 IV. Creation Instructions (2) Based on the above, it can be seen that the above-mentioned conventional helmets obviously have inconveniences and defects in actual use, and need to be improved. The reason is that the author feels that the above-mentioned shortcomings can be improved. He has devoted himself to research and cooperated with the application of theories to finally propose a rational design and effectively improve the above-mentioned original creations. [New content] The main purpose of this creation is to provide a harness lock adjustment device for a helmet, which can use the adjustment wheel to achieve the function of adjusting the tightness, and when the adjustment of the adjustment wheel is completed, the damping can be used. The elasticity of the piece itself has a positioning effect, which effectively prevents the lock adjustment device from loosening after adjustment, and can be effectively fixed, and its structure is simplified, and manufacturing and assembly are more convenient. The second purpose of this creation is to provide a harness lock adjustment device for the helmet, which is fixed to the helmet with a fixing seat and two connecting members to form a three-point fixation, which can be worn in the most appropriate position, has the best comfort and safety. Another purpose of this creation is to provide a harness lock adjustment device for a safety helmet, which is a hanging structure with the front fixed to the upper front and a large fixed space with a large adjustment space. Another purpose of this creation is to provide a harness lock adjusting device for a safety helmet, the connecting piece of which has an ergonomic arc and is elastic, and it will not compress the blood vessels when tightened, and it is more healthy and tight to wear ,Safety. In order to achieve the above-mentioned object, the present invention provides a harness lock adjusting device for a helmet, which is installed inside a helmet with a buckle belt, and includes: a fixing base having a body portion, and the body portion is provided with There is available for this

M247024 4. Creation instructions (3) The perforation through which the fastening strap passes. The main body portion extends upward to form an extension portion, and the top end of the extension portion is connected to a fixing portion, which is fixed to the helmet; two connecting pieces, which One end is respectively fixed to the safety helmet, and the two connecting pieces each have a body part. One end of the piece body part forms an elongated curved connecting part. The connecting part is provided with a rack, and the racks of the two connecting parts are extended. Into the main body of the fixed seat; an adjusting wheel is pivotally arranged on the main body of the fixed seat, a gear is arranged on one side of the adjusting wheel, a plurality of positioning teeth are arranged on the peripheral ring of the gear, and the gear of the adjusting wheel is It is engaged with the racks of the two connecting members; and a damping member is disposed on the body portion of the fixing seat, the damping member is provided with a positioning body, and the positioning system abuts against the positioning teeth corresponding to the adjusting wheel. In order to further understand the characteristics and technical content of this creation, please refer to the following detailed description and drawings about this creation, but the drawings are for reference and explanation only, and are not intended to limit this creation. [Embodiment] Please refer to the first, second, third, and fourth drawings. The present invention provides a harness lock adjustment device for a helmet, especially a harness lock adjustment device that can be installed inside the helmet. It comprises a fixed seat 10, two connecting members 20, an adjusting wheel 30, a damping member 40, and an outer cover 50. The fixing base 10 is made of a slightly elastic material such as plastic. The fixing base 10 has a left and right symmetrical body portion 1 1. The body portion 11 is an ergonomic design. Its left and right sides are bent slightly forward to form a flat body with a curve. The lower part of the left and right sides of the main body part 1 are provided with narrow perforations 1 2 through which the fastening straps of the helmet can pass.

M247024 4. Creation instructions (4). The main body portion 1 1 extends in the middle and upwards to form a curved extension portion 1 3. The top end of the extension portion 1 3 is connected to a fixing portion 14. The fixing portion 14 is provided with a Mating holes 1 5. A receiving groove 16 is recessed on the rear side of the main body portion 11 of the fixing seat 10. A circular fixing column 17 is protruded in the receiving slot 16, and a fixing is provided at an appropriate interval above the fixing column 17. Slot 18 to facilitate fixing of the damping member 40. The left and right sides of the main body portion 11 of the fixing base 10 are respectively provided with a through slot 19, and the accommodation slot 16 can communicate with the outside through the two through slots 19. In addition, a plurality of clamping holes 1 0 1 are provided at the edge of the main body portion 11 of the fixing base 10, so that the outer cover 50 can be clamped and connected. The two connecting members 20 are also made of a slightly elastic material such as plastic. The two connecting members 20 have a body 2 1. The body 2 1 is provided with a plurality of through holes 2 2 to form a hollow shape to have Better breathability. One end of the sheet body portion 2 is provided with a fixing buckle 2 3, and the other end is extended to form an elongated and curved connecting portion 2 4. A rack 25 is integrally formed on the connecting portion 24. The two connecting pieces 20 are arranged facing up and down, and the connecting portions 24 of the two connecting pieces extend into the receiving grooves 16 of the main body portion 11 of the fixing base 10, so that the teeth of the two connecting pieces 20 The strips 2 5 are arranged above and below the fixing column 17, and an appropriate guide rail 102 is protruded inside the accommodation groove 16. The connecting part 2 4 of the two connecting pieces 20 is a series. Cooperate with the guide 10 2 to guide the left and right movements of the connecting portion 24 of the two connecting members 20 stably. The other end of the connecting portion 24 of the two connecting pieces 20 extends through the groove 19 to extend out of the main body portion 11 of the fixing base 10.

M247024 4. Creation instructions (5) The adjusting wheel 30 is a circular wheel body, and the outer edge of the adjusting wheel 30 is formed with a concave and convex non-slip surface 3 1 to facilitate the adjustment wheel 30 to rotate. The center of the adjustment wheel 30 is provided with a shaft hole 32, and the shaft hole 3 2 of the adjustment wheel 30 is pivotally fitted to a fixing column 17 of the fixing seat 10, so that the adjustment wheel 30 can be pivoted on The main body part 11 of the fixing base 10 is on, and the upper and lower edges of the adjusting wheel 30 are exposed outside the main body part 11 so that the user can dial the adjusting wheel 30 from the outside. • The adjusting wheel 3 0 is integrally formed with a gear 3 3. The gear 3 3 is provided with a plurality of positioning teeth 3 4 at appropriate intervals around the periphery. The upper and lower edges of the gear 3 3 of the adjusting wheel 3 0 are respectively engaged with the racks 2 5 of the two connecting members 2 0, so when the user turns the adjusting wheel 3 0 to rotate, the gear 3 can be used The action of 3 and the rack 25 pushes the connecting portion 24 of the two connecting members 20 to perform a synchronous extending or retracting action, thereby achieving the function of adjusting the tightness. 4 the damping member 40 is a circular arc, which is arranged in the fixing groove 8 on the main body portion 11 of the fixing seat 10, and the damping member 40 is provided with a projection = $ 位 体 4 1. The positioning body 41 is abutted against the adjusting wheel 30 to the two 疋 position teeth 34. Therefore, when the adjustment wheel 30 is rotated, the sound of the paragraph can be generated by positioning = 41 abutting against the positioning teeth 34 of the adjustment wheel 30. When the adjustment of the adjustment wheel 30 is completed, the positioning body 4 1 can be used. The positioning teeth 34 abut against the positioning teeth 34 of the adjusting wheel 30 to generate a positioning effect. The outer cover 50 is an accommodation groove 16 corresponding to the fixing seat i 0, which roughly corresponds to the j body. The outer cover 50 is placed on the accommodation groove 丄 6, and the outer cover 5 〇The edge is provided with a plurality of corresponding holes 〇〇 ^

M247024 IV. Creation instructions (6) The card connecting pieces 5 1 are engaged with the card connecting holes 1 0 1 so that the stable cover of the outer cover 50 0 is placed in the receiving slot. On the 16th, the outer cover 50 is used to protect and fix the connecting member 20, the adjusting wheel 30, and the damping member 40, etc .; the above-mentioned composition is used to form the beam lock adjusting device of the original helmet. Please refer to the first, second, and fourth figures. When fixing this creation, a first fixing cap 60 and two second fixing caps 70 are required. The bottom surfaces of the fixing caps 60 and 70 are respectively provided with a protrusion. The buckles 6 1 and 7 1 are provided with elongated perforations 62 and 72 through which the fastening belts of the helmet can pass, and the convex buckles 71 of the second and second fixing caps 70 are provided. An extension piece 7 3 having a gourd mouth-shaped fastening hole 7 4 is also provided on the upper part. The fixing caps 60 and 70 can be respectively fitted with the middle through-holes 8 1 and the two side through-holes 8 2 of the safety helmet 80 to make the convex buttons 6 1 and 71 on the bottom of the fixed hats 60 and 70. The perforations 62 and 72 can be penetrated into the interior of the safety helmet 80 through the through holes 81 and 82, and the convex buckle 6 1 of the first fixing cap 60 can pass through the fitting hole 15 of the fixing portion 14. The binding device of this creation is placed inside the helmet 80, and the fixing part 14 of the fixing seat 10 is sandwiched and fixed to the middle belt hole 8 1 of the helmet 80 and the first fixing cap 6 Between 0, the fixing seat 10 can be fixed to the inner rear part of the safety helmet 80, and the two connecting pieces 20-ends can be fastened to the two second fixing hats 70 respectively by using the fixing buckle 2 3 The fastening holes 7 4 enable the two connecting members 20 to be fixed to the inner front part of the helmet 80. The buckle band 9 0 is followed by a side band 9 1 which passes through the body of the fixing seat 10

Page 10 M247024 IV. Creative Instructions (7) Perforation 12 of Part 1 1 and perforation 6 2 of convex buckle 6 1 of the first fixing cap 60. The front band 9 2 of the buckle band 90 can pass through the perforation 7 2 of the convex buckle 7 1 of the second fixing cap 70, so that the buckle band 9 0 is surely connected to the safety cap 80. The front side band 9 2 and 9 1 on the rear side are provided with fasteners 9 3 and 9 4 for fastening and fixing. The fixed seat 10 of this creation can be located at the rear of the inside of the helmet 80. When the user wears the helmet 80, the body portion 11 and the extension portion 13 of the fixed seat 10 can elastically touch the user. The back of the brain, therefore, the helmet 80 will not shake in the front and rear directions. The fixing seat 10 with two connectors 20 is fixed to the helmet to form a three-point fixation, and it will not produce front, rear, left and right directions. It can be worn in the most appropriate place for shaking, and has the best comfort and safety. In this creation, the adjusting wheel 30 can be used to push the two connecting members 20 to synchronously extend or retract by the action of the gear 33 and the purlin 25, so as to achieve an appropriate adjustment of the tightness. Function to make wearing more comfortable. In this creation, the positioning body 41 of the damping member 40 abuts against the positioning teeth 3 4 of the adjustment wheel 30. When the adjustment of the adjustment wheel 30 is completed, the positioning effect can be generated, which effectively prevents the beam lock adjustment device from being adjusted after the adjustment. It can be loosened, can be effectively fixed, and has a simplified structure, which is convenient to manufacture and assemble. The fixing base 10 and the second connecting piece 20 of this creation are combined with the fixing pieces (fixing caps 60 and 70) of the fastening belt 90, and the fixing base 10 and the two connecting pieces 20 are fixed to the safety helmet in a hanging manner. The fixing point of the two connectors 20 is located on the top of the cap, which is high and forward, with a large fixing space and a large adjustment space.

M247024 4. Creation Instructions (8). The fixed base 10 and the second connecting piece 20 of this creation are fixed to the helmet 80 to form a three-point fixing, and the fixed base 10 and the second connecting piece 20 are made of elastic material. The connecting piece 20 and With ergonomic radian, it will not compress the blood vessels, and it will be tight and safe to wear, and there will be no directional problems when wearing.

In summary, this creation is a rare new creation product, which is extremely industrially usable, novel, and progressive, and fully meets the requirements for new patent applications. The application is based on the patent law. Grant the patent in this case to protect the rights of creators. However, the above is only a preferred and feasible embodiment of this creation, and therefore does not limit the scope of the patent for this creation. Therefore, any equivalent structural changes made by using this creation manual and the contents of the drawings are included in this book for the same reason. Within the scope of the creation, Chen Ming was co-authored.

Page 12 M247024 Simple illustration of the drawing [Simplified illustration of the drawing] The first drawing is an exploded perspective view of the creative beam lock adjusting device. The second picture is a three-dimensional combined view of the original beam lock adjusting device. The third figure is a partial cross-sectional view of the original beam lock adjusting device. The fourth figure is a schematic view of the installation of the beam lock adjustment device in the helmet. [Component representative symbol] 10 fixed seat

Page 13 1 1 Body part 1 2 Perforation 1 3 Extension 1 1 Fixing part 1 5 Fitting hole 1 6 Receiving slot 1 7 Fixing post 1 8 Fixing slot 1 9 Passing slot 1 0 1 Clip hole 1 0 2 Guide 2 0 Connecting piece 2 1 Piece body 2 2 Through hole 2 3 Fixing buckle 2 4 Connecting part 2 5 Rack 3 0 Adjusting wheel 3 1 Anti-slip surface 3 2 Shaft hole 3 3 Gear 3 4 Positioning tooth 4 0 Damping piece 4 1 Positioning body 5 0 Cover M247024

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Claims (1)

M247024 5. Scope of patent application 1. A harness lock adjusting device for a helmet, which is installed inside a helmet with a buckle belt, and includes: a fixing base having a body portion, and the body portion is provided with a The perforation for the buckle to pass through, the main body part extends upward to form an extension part, the top end of the extension part is connected to a fixing part, the fixing part is fixed to the safety helmet; two connecting parts, one end of which is respectively fixed to the safety part Cap, the two connecting pieces each have a piece of body part, one end of the piece body part forms an elongated curved connecting part, a rack is provided on the connecting part, and the rack of the two connecting pieces is extended into the body of the fixing seat. An adjusting wheel, which is pivotally arranged on the main body of the fixed seat, a gear is arranged on one side of the adjusting wheel, a plurality of positioning teeth are arranged on the outer ring of the gear, a gear train of the adjusting wheel and the two connecting pieces A rack is engaged; and a damping member is disposed on the body portion of the fixed seat, the damping member is provided with a positioning body, and the positioning system abuts against the positioning teeth corresponding to the adjusting wheel. 2. The harness lock adjusting device for a safety helmet according to item 1 of the scope of patent application, wherein a fixing hole is provided on the fixing portion of the fixing seat, and a middle through-hole is provided on the safety helmet, and a first A fixing cap. A convex buckle is provided on the bottom surface of the first fixing cap. The convex buckle is provided with a perforation. The convex buckle of the first fixing cap passes through a matching hole on a fixing portion of the fixing seat. Through the perforation of the convex buckle of the first fixing cap. 3. The harness lock adjusting device for a safety helmet as described in item 1 of the scope of patent application, wherein a body of the fixing seat is provided with a receiving groove, a fixing post is protruded in the receiving groove, and a fixing post is arranged above the fixing post. There is a fixing groove, the damping member is fixed in the fixing groove, and the racks of the two connecting members are opposed to each other up and down. Page 15 M247024 5. The scope of the patent application is located above and below the fixed column. The center of the adjustment wheel is provided with a shaft hole. The shaft hole of the adjustment wheel is pivotally fitted to the fixed column of the fixed seat. 4. The harness lock adjusting device for a safety helmet as described in item 1 of the scope of patent application, wherein a plurality of snap holes are provided at the edge of the body portion of the fixing seat, and an outer cover is placed on the body portion of the fixing seat. The edge of the cover is provided with a plurality of latching pieces corresponding to the latching holes, and the latching pieces are engaged with the latching holes. 5. The harness lock adjusting device for a safety helmet as described in item 1 of the scope of patent application, wherein one end of each of the two connecting members is provided with a fixing buckle, and the safety helmet is provided with two holes on both sides for cooperation There are two second fixing caps. Each bottom of the two second fixing caps is provided with a convex buckle. Each of the convex buckles is provided with a perforation and an extension piece with a fastening hole. One end of the two connecting members is fastened with a fixing buckle. Connected to the fastening holes of the two second fixing caps, the buckling band is passed through the perforation of the convex buckles of the second fixing caps. 6. The harness locking device for a safety helmet as described in item 1 of the scope of patent application, wherein the outer edge of the adjusting wheel is formed with a concave and convex anti-slip surface. Page 16