TW202034810A - Composite helmet visor fastening apparatus capable of being easily and rapidly detached and mounted - Google Patents

Abstract

The present invention provides a composite helmet visor fastening apparatus, which comprises: a helmet body having an opening in the front, and both sides above the opening are respectivley provided with a recessed portion; and, two visor fastening mechanisms disposed at left and right ends of the helmet body including two bases that are disposed in the recessed portions of the helmet body and provided with a circular chamber, wherein the chamber is provided with a central hole column and two upper and lower bumps; a chin protection portion disposed below the opening of the helmet and having left and right ends respectively provided with a lug, in which the lug has two guiding grooves; two pull control members, which are disposed on the outer side of the lug of the chin protection portion and provided with an elastic fitting piece at the front end thereof; two rotary discs disposed inside the lug of the chin protection portion and on the outer side of the pull control member, wherein a raised wall is provided on the outer side and a gear rack is provided on the inner side; and a visor, which is disposed in front of the opening of the helmet body and provided with a flange on the inner sided of both left and right ends, wherein the flange is provided with an opened slot and a gear rack. Thus, the present invention may be easily and rapidly detached and mounted.

Description

Composite helmet shield fixing device

The invention is a composite helmet shield fixing device, especially one that can be easily and quickly disassembled and assembled.

According to the conventional helmet, the setting method of the shield (or lens) generally shares a fixing mechanism with the chin guard, but it is more troublesome and inconvenient in disassembly and assembly. Nowadays, due to the trend of the times, most motorcycle riders have a variety of shields with different shapes, functions, and colors to meet different needs. Therefore, users change the shields more and more frequently. However, the disassembly and assembly of the fixed mechanism are often used. It is troublesome and time-consuming, causing extreme distress and inconvenience to users, and it needs to be improved.

The main purpose of the present invention is to provide a composite helmet shield fixing device that can be easily and quickly disassembled and assembled, which is convenient to use.

To achieve the above objective, the composite helmet shield fixing device of the present invention includes: a helmet body with an opening on the front side, and a recess on both sides above the opening; and two shield fixing mechanisms arranged on the left and right sides of the helmet body The end includes: two bases, which are arranged in the concave part of the helmet body, and have a circular cavity in which there is a central hole column and two upper and lower protrusions; the lower protective part is arranged on the helmet body Below the opening, the left and right ends have an ear seat, the ear seat has two guide grooves; the two pull controls are arranged on the outside of the ear seat of the chin protection part, and the front end has an elastic sleeve; two turntables, which are protected by the chin Inside the ear seat and outside the pull control, the outer side has a convex wall, and the inner side has a rack; and a shield is arranged in front of the opening of the helmet body, and the inner sides of the left and right ends have a convex wall respectively. The convex wall is also provided with a slot and a rack; this allows easy and quick disassembly and assembly. In the above-mentioned composite helmet protecting and fixing device, the upper end or the bottom end of the two guide grooves of the ear seat of the chin guard portion each have a notch, and one of the guide grooves has a notch on the outside. In the above-mentioned composite helmet protecting and fixing device, the pull control is in the shape of low front and high back, with a bridge block in the middle and a pull handle at the back end. In the above-mentioned composite helmet protection and fixing device, there is a gap between the convex wall of the turntable and the rack, and the convex wall has two corresponding large and small grooves respectively. In the above composite helmet protection and fixing device, a control key is provided under the base, the front end of the control key has a stopper, the rear end has a push button, and the middle has a keyhole. The base is located in the cavity There is a bump below the chamber.

The following preferred and feasible embodiments are combined with the accompanying drawings to detail the structural features and effects of the present invention as follows, so as to make it easy to understand and agree with.

Please refer to Figures 1-10, the composite helmet shield fixing device of the present invention includes:

A helmet body 1, with an opening 11 on the front, and a recess 12 on each side of the opening 11; and

The two shield fixing mechanisms 10 are arranged at the left and right ends of the helmet body 1. Since the left and right ends are symmetrical, only one side will be described below. The shield fixing mechanism 10 includes:

The two bases 2, as shown in FIG. 3, are arranged in the recess 12 of the helmet body, and can be fixed to the helmet body 1 by a plurality of fixing elements (such as rivets or screws, in the figure there are 3 rivets). 2 The outer side has a circular cavity 21, the cavity 21 has a central hole column 22 and two corresponding upper and lower bumps 23, 24, the cavity 21 is provided with an upper and lower gap 25 , 26, the upper and lower bumps 23, 24 correspond to each other with an interval of 180˚, the upper gap 25 is connected to the chamber 21, and there is a protrusion 27 between the upper and lower gaps 25, 26;

The two control keys 3, as shown in Fig. 4, are in the shape of a long plate and are arranged on the inside under the base 2 with a keyhole 31 in the middle for socketing with the protrusion 27, and a stop 32 at the top notch at the front end In 25, the rear end has a push button 33 and is projected in the lower notch 26;

The lower bar guard 4, as shown in Fig. 5, is U-shaped and is provided under the helmet body opening 11. Its left and right ends each have an inner convex and outer concave ear seat 40 to be set in the helmet body recess. 12 and located outside the base 2, the ear seat 40 has two corresponding positioning portions 41 and guide grooves 42, 43, respectively. The guide grooves 42, 43 are provided for the upper and lower projections 23 of the base. , 24 pass through them, the upper or bottom ends of the guide grooves 42, 43 each have a notch 421, 431, and one of the guide grooves 42 has a notch 44 in the middle, and the ear seat 40 has an upper , The lower notch 45, 46, the upper notch 45 is in communication with the ear seat 40;

The second pull control 5, as shown in FIG. 6, is a long plate with a low front and a high rear shape. It is arranged on the outer side of the ear seat 40 of the chin guard. The front end has an elastic sleeve 51 which is sleeved in the central hole of the base. On the column 22, there is a handle 52 at the rear end, a block 53 is arranged in the front of the handle 52 to be clamped in the lower notch 46 of the ear seat, and a bridge stop 54 is arranged in the middle;

The two turntables 6, as shown in FIG. 7, are arranged in the chin guard ear seat 40 and located outside the pull control 5. The inner sides of the two turntables 6 respectively have two corresponding positioning pieces 61 and a rack 62. The periphery of the turntable 6 There is a convex wall 64, a gap 65 is formed between the convex wall 64 and the rack 62, and the convex wall 64 has two corresponding large and small grooves 66 and 67; and

A shield 7, as shown in Figure 8, is in the shape of an arc and is arranged at the front end of the opening 11 of the helmet body. The inner sides of the left and right ends of the shield 7 are respectively provided with a barrier 71 and a protrusion 72 to be sleeved on the turntable 6 On the outside, the convex wall 72 has a slot 73 and two corresponding tooth rows 74. The shield 7 has an activation piece 76 at the bottom end of the center, and there is a tenon under the activation piece 76 that can be locked and positioned with a slot (not shown in the figure) of the chin guard 4, but this is a conventional technology , I won’t repeat it.

According to the above-mentioned structural combination, the base 2 is first fixed in the helmet cavity 12, and the control key 3 is assembled and positioned, and then a washer 81 and a screw 82 are used to screw and fix the base center hole post 22, namely The chin guard 4, the pull control 5 and the turntable 6 are fixed to the base 2, and then the shield 7 is sleeved through the gap 65 and combined with the turntable 6, so that it is in a downwardly closed state, as shown in Figures 1, 9, 10 Shown. At this time, (1) the control key 3 is in the lower position, as shown in FIGS. 20 and 21, and is completely covered by the chin guard ear seat 40. (2) The two protrusions 23 and 24 of the base are respectively located at the bottom or upper end of the ear holder guide grooves 42, 43, and the turntable positioning piece 61 is positioned on the ear holder positioning portion 41, as shown in FIG. 11. (3) The pull control 5 is sleeved on the central hole column 22 of the base by its elastic sleeve 51, and is aligned with the small slot 67 of the turntable, and at the same time, the middle bridge 54 is used to block the shield slot 73 The convex wall 72 at one end is shown in Figure 13. (4) The turntable 6 is sleeved inside the shield protrusion 72, and the rack 62 is engaged with the tooth row 74, as shown in FIG. 15.

If you want to lift the shield 7 up, you only need to pull up the activation piece 76 so that the latch is separated from the chin guard 4, and at the same time, push the shield 7 upwards through the meshing transmission of the gear row 74 and the rack 62, and follow Rotate an angle in the clockwise direction until the protruding wall 72 at the other end of the shield slot 73 is blocked and positioned by the middle bridge 54 of the pull control, as shown in Figures 14, 16, and 17, the shield 7 is now opening 11 Uplift state.

On the contrary, if you want to close, you only need to pull down the starting piece 76 so that the shield 7 is driven by the gear row 74 and the rack 62 to rotate (revolve) an angle in the counterclockwise direction until the ledge at one end of the shield slot 73 72 is blocked by the middle bridge of the pull control 54 and positioned so that the shield 7 is in a downwardly closed state covering the opening 11, as shown in Figures 1, 10, and 13, when the shield 7 is attached to the chin for protection At the same time, the upper end of the portion 4 can be pressed down on the activation piece 76, so that its tenon engages with the positioning groove of the chin guard 4 (not shown in the figure), so that the shield 7 can be firmly fixed in position.

If you want to remove the shield 7, make sure that the shield 7 is lifted up as shown in Figures 14, 16, and 17, and then pull the control 5 (handle 52) down to move the control 5 down and center it. The bridge stop 54 comes out of the slot 73 and the shield 7 is pushed up at the same time. At this time, the shield 7 is no longer blocked by the bridge stop 54 because of the convex wall 72, so it can follow the transmission of the gear row 74 and the rack 62 and continue to follow Rotate in the clockwise direction until the tooth row 74 is separated from the rack 62, as shown in Figures 18 and 19. At this time, the shield 7 can be removed to complete the quick removal. On the contrary, if you want to install, first align the shield 7 with the gap 65, and align the tooth row 74 with the large notch 66 of the turntable, and then press the shield 7 inwardly and rotate the shield 7 in the counterclockwise direction at the same time until the shield The protruding wall 72 at the slotted end of the cover is blocked by the middle bridge stop 54 of the pull control and positioned, as shown in Figures 1, 10 and 13, the shield 7 can be assembled and positioned to complete the purpose of quick assembly.

If you want to open the chin guard 4 (it can be opened together with the shield 7), just press one of the bottom buttons at the center of the chin guard 4 to open the chin guard 4, and the present invention is formed The half-shielded state is shown in Figures 20 and 21. However, this structural design is a prior art technology of the invention patent No. I303156 and will not be repeated. At this time, (1) the control key 3 appears; (2) the chin guard ear seat 40 rotates and moves upward by an angle, causing the guide grooves 42, 43 on both sides of it to change positions, and the base two convex blocks 23 and 24 are respectively located in the notches 421 and 431 at the upper or bottom ends of the guide grooves 42, 43, and the notch 44 is aligned with the control key 3, as shown in Figures 12 and 21, the chin guard 4 can be Lift positioning.

Then, you can push the control key 3 (push button 33) forward, so that the stopper 32 at its front end extends into the ear seat recess 44, as shown in FIG. 22, to restrict the chin guard 4 from rotating and displacing. As a second positioning safety switch for lifting and positioning the chin guard 4 to ensure that the chin guard 4 does not fall off.

From the above description, it can be seen that the present invention has at least the following advantages and effects, which is far more advanced than the conventional ones.

1. The disassembly and assembly of the shield 7 is not only simple and easy but also fast, which can achieve the purpose of simple quick disassembly and quick assembly.

2. The disassembly and assembly of the shield 7 can be operated without any tools, and it is quite convenient to use.

3. The periphery of the turntable 6 is provided with corresponding large and small grooves 66 and 67, which can respectively allow the shield rack 74 to extend in and the pull control 5 to align, which facilitates the ease and convenience of assembly.

4. The shield 7 is provided with a barrier strip 71 located on one side of the upper end of the opening 11, which can be used for water blocking and drainage to prevent raindrops from reaching the user's face.

5. The chin guard 4 is equipped with a second positioning safety switch (control key 3) to ensure the safety of the chin guard 4 when it is lifted up and used.

In summary, the specific structure disclosed in the embodiment of the present invention is found to be unknown to the known, and it can achieve the expected purpose and effect. It can be called a novel and progressive invention, and has deep industrial application. Value, Yan filed an invention patent application in accordance with the law.

1: Helmet body 11: opening 12: recess 10: Shield fixing mechanism 2: Pedestal 21: Chamber 22: Center hole column 23, 24: convex block 25, 26, 45, 46: gap 27: convex grain 3: Control key 31: keyhole 32: stop 33: push button 4: Chin guard 40: ear seat 41: Positioning Department 42, 43: guide groove 421, 431: Notch 44: Notch 5: pull control 51: Elastic kit 52: Handle 53: card block 54: Bridge Block 6: turntable 61: positioning film 62: rack 64: convex wall 65: gap 66, 67: missing slots 7: Guard 71: stop 72: Gorge 73: Slotting 74: tooth row 76: start film 81: Gasket 82: Screw

Fig. 1 is a side view of the cover of the present invention in a closed state. Figure 2 is an exploded perspective view of the present invention. Figure 3 is an enlarged schematic view of the structure of the base of the present invention. Figure 4 is a three-dimensional enlarged schematic view of the control key in the present invention. Figure 5 is an enlarged schematic view of a partial structure of the chin guard in the present invention. Fig. 6 is a three-dimensional enlarged schematic diagram of the pull control of the present invention. Fig. 7 is a three-dimensional enlarged schematic diagram of the turntable in the present invention. Figure 8 is an enlarged schematic view of a partial structure of the shield in the present invention. Figure 9 is a schematic cross-sectional view of the combination of the present invention. Fig. 10 is a partial enlarged schematic view of Fig. 1. Fig. 11 is an enlarged schematic view of the structure between the protrusion of the base and the ear seat of the chin guard in the present invention. Fig. 12 is a schematic diagram of the movement between the base boss and the ear seat of the chin guard in the present invention. Figure 13 is an enlarged schematic view of the structure between the base, the pull control and the shield in the present invention. Figure 14 is a schematic diagram of the movement between the base, the pull control and the shield in the present invention. Figure 15 is a schematic diagram of the structure between the turntable and the shield in the present invention. Figure 16 is a side view of the shield of the present invention in an upwardly tilted state. Fig. 17 is a partial enlarged schematic view of Fig. 16. Figure 18 is a schematic view of the action of the present invention when the shield is removed. Fig. 19 is a partial enlarged schematic view of Fig. 18. Fig. 20 is a side view of the chin guard of the present invention in an upwardly tilted state. Fig. 21 is a partial enlarged schematic view of Fig. 20. Fig. 22 is a partial enlarged schematic view of the chin guard portion of the present invention when it is lifted and positioned.

1: Helmet body

11: opening

12: recess

10: Shield fixing mechanism

2: Pedestal

3: Control key

4: Chin guard

40: ear seat

44: Notch

5: pull control

6: turntable

7: Guard

76: start film

81: Gasket

82: Screw

Claims (8)

A composite helmet shield fixing device, comprising: A helmet body with an opening on the front and a recess on each side of the opening; and The two shield fixing mechanisms are arranged at the left and right ends of the helmet body, including: Two bases are arranged in the concave part of the helmet body and have a circular cavity in which there is a central hole column and two upper and lower protrusions; The lower bar protection part is arranged under the opening of the helmet body, and its left and right ends each have an ear seat to be arranged in the helmet body recess and located outside the base. The ear seat has two guide grooves for supplying The upper and lower convex blocks of the base are penetrated therein; The second pull control is arranged on the outer side of the ear seat of the chin guard, and the front end has an elastic sleeve to be sleeved with the central hole column of the base; Two turntables, which are inside the ear seat of the chin guard and located outside the pull control, the outside of which has a convex wall, and the inside of which has a rack; and A protective cover is arranged in front of the opening of the helmet body. The inner sides of the left and right ends of the shield are provided with a protruding wall to be sleeved outside the turntable. The protruding wall is also provided with a slot and a rack. The rack is engaged. The composite helmet shield fixing device described in the first item of the scope of patent application, wherein the upper end or the bottom end of the two guide grooves of the ear seat of the chin protection part each have a notch, and one of the guide grooves has a Notch. According to the composite helmet shield fixing device described in item 1 of the scope of patent application, the pull control is in the shape of low front and high rear with a bridge block in the middle. According to the composite helmet shield fixing device described in item 1 of the scope of patent application, the rear end of the pull control has a pull handle. According to the composite helmet shield fixing device described in item 1 of the patent application, there is a gap between the convex wall of the turntable and the rack, and the convex wall has two corresponding large and small grooves. According to the composite helmet shield fixing device described in item 1 of the scope of patent application, wherein the inner sides of the left and right ends of the shield are each provided with a barrier. According to the composite helmet shield fixing device described in item 1 of the scope of patent application, wherein a control key is arranged under the base, and a convex particle is relatively arranged under the base. According to the composite helmet shield fixing device described in item 7 of the scope of patent application, the control key has a stop at the front end, a push button at the rear end, and a keyhole in the middle.

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