TWM444739U - Fasting disassembling device of windshield mask of helmet - Google Patents

Description

Safety helmet windshield lens quick release device

The present invention relates to a quick release lens quick release device, especially a structure with simple structure and convenient assembly and disassembly.

According to the conventional quick-release lens of the helmet, the new M351004 patent is composed of a helmet body, a connecting device, a pushing device and a lens. If you want to remove the lens, first lift the lens up, then press the protruding part, then push the groove away from the pushing surface, so that the positioning part can resist the blocking wall, and the lens can be removed from the pushing device. On the other hand, if the lens is to be assembled, the inner and outer flanges on both sides of the lens are combined with the receiving grooves of the pushing device, so that the bump is received in the positioning groove of the connecting device, and the inner and outer flanges are located in the blocking groove. Between the parts, and the outer flange is inserted into the receiving groove, and after the lens is combined with the pushing device, the groove of the pushing device is pushed to the pushing surface of the connecting device to fix the lens in the pushing device. .
Although the above patents have the purpose and effect of quickly replacing the lens, the structure is obviously complicated, and it is still a little troublesome when assembling the lens, and needs to be improved.

The main purpose of this creation is to provide a quick-release lens quick-release device for a helmet that is simple in construction and quick to disassemble the lens.
In order to achieve the above object, the present invention comprises: a helmet body having a groove on each side; a receiving seat disposed in the recess of the helmet body, having a tooth segment and a bump; an ear cover The utility model is disposed on the receiving seat and has an alcove, and the two sides of the concave chamber respectively have a rail groove and a notch; a push button is disposed in the concave chamber of the ear cover, and has a rail piece for inserting into the rail groove, so as to push The button can be slidably displaced on the ear cover, and has a gap between the push button and the ear cover. The inside of the push button has a chamber to be engaged with the socket protrusion, and a button is arranged inside the push button to control the push and twist Displacement, an elastic element is positioned between the push button and the ear cover; and a windshield lens has an elastic card piece at each end, which can be inserted into the gap between the push button and the ear cover, and the ear cover The notch latch has a toothed section on the inner side of the latching piece to be engaged with the toothed section of the receiving seat; the device is used for the purpose of simple structure and convenient disassembly and assembly.

A preferred embodiment is described in conjunction with the accompanying drawings, which details the structural features of the present invention and their effects as follows, so that the layout is easy to understand and recognize.
Please refer to the first to seventh figures. This creative system contains:
a safety cap body 1, each side has a groove 11 on the groove 11 and has a plurality of holes 12;
A socket 2 is disposed in the recess 11 of the helmet body, and has a plurality of posts 21 and a hole 12 extending through the slot 12 so that the socket 2 can be fixed and cannot rotate. The outer end surface of the socket 2 has two corresponding protrusions. 22, the outer periphery has a tooth segment 23, a card seat 24 is fixed between the two cams 22 by a screw member 25, and the top end of the card seat 24 is located on one side of the tooth segment 23 and has a bump 26, the convex portion A spacing is formed between the block 26 and the tenon 22;
An ear cover 3, disposed on the receiving seat 2, has a recess 31, the middle and the ends of the recess 31 have a rail groove 32 (shown in Figure 4) and a notch 33;
A push button 4 is disposed on the recess 31 of the ear cover, that is, disposed on the outer side of the ear cover 3, and has a rail piece 41 on each of the upper and lower sides to be inserted into the rail groove 32, so as to be between the push button 4 and the ear cover 3. There is a gap, and the push button 4 can be slidably displaced on the fixed ear cover 3. The inside of the push button 4 has a semicircular chamber 42, a long chamber 43 and an arc guide 45, please also see As shown in the fifth figure, the semicircular chamber 42 is adapted to be engaged with the card holder 26, and the elongated chamber 43 is adapted to receive a switch 46 having a window 44 on the outside and a switch 44 on the side. The guide block 45 has a resilient guiding rod 47, and has a latching block 48 at the bottom end. The push button 4 and the ear cover 3 are repeatedly positioned with an elastic member 49; and a windshield lens 5 is arc-shaped. Each of the upper and lower sides of the two ends has an elastic latching piece 51, and the latching piece 51 can be inserted into the gap between the ear cover 3 and the push button 4 to be positioned with the ear cover notch 33, and the middle of the latching piece 51 has a circular hole 52 for sleeved on the outside of the socket 2 and the ear cover 3 Engaging the inner sheet 51 has a projection 53 of the toothed segment, with the socket of the tooth segment 23 is in meshing engagement.
When assembling according to the above configuration, on the one hand, the card holder 26 and the socket 2 are combined and fixed in the recess 11 of the helmet body by the screw member 25, and on the other hand, the ear cover 3 is combined with the push button 4, and at the same time The switch 46 is positioned, and the lens 5 is inserted into the gap between the ear cover 3 and the push button 4 to position the latching piece 51 and the ear cover notch 33, and the ear cover 3, the push button 4 and the lens 5 can be The three are combined, as shown in the eighth figure, at this time, the push button 4 is pushed in the direction of the arrow A in the eighth figure, and the semicircular chamber 42 of the push button is engaged with the card holder 26, and The lens 5 is assembled and positioned on the helmet body 1, and the switch 46 is pressed to be in an off state, so that the lens 5 can be closed or opened, as shown in the first and the ninth diagrams. In the 〝off〞 state, the latching block 48 is snapped into the ear cover rail groove 32, so that the push button 4 cannot be pushed up, and the elastic member 49 is in an extended state. As shown in the sixth and seventh figures.
If the windshield lens 5 is to be removed, the lens 5 is first slightly angled upward, as shown in the tenth figure, and the switch 46 is pushed up to be in a 〝on〞 state, so that the switch card block 48 is released from the ear. Covering the rail groove 32, and then pushing the push button 4 in the direction of the arrow in the tenth figure, so that the semicircular chamber 42 of the push button is also disengaged from the bump 26 of the socket 2, as shown in the eleventh and twelfth figures. At this time, the ear cover 3 can be pulled outwardly to disengage the ear cover 3 from the receiving seat 2, even if the ear cover 3 and the push button 4 are separated from the lens body 5 together with the helmet body 1, as shown in the eighth figure, and then The lens 5 is grasped with one hand and the push button 4 (shown by the arrow B in the eighth figure) is pushed at the same time to separate the lens 5 from the ear cover 3, and the purpose of removing the windshield lens 5 can be achieved.
If the windshield lens 5 is to be installed, the lens 5 is first inserted into the gap between the ear cover 3 and the push button 4, so that the click piece 51 and the notch 33 are clamped, and then the push button 4 is pushed up to make the alignment socket 2 Pressing down, and then releasing the push button 4 to return it, and the socket protrusion 26 is snapped into the semicircular chamber 42 even if the ear cover 3, the push button 4 and the lens 5 are mounted together on the helmet body 1. Then, the switch 46 is pressed to the off state, so that the push button 4 cannot be displaced, and the purpose of assembling the lens can be completed, as shown in the first, second, sixth and seventh figures.
As can be seen from the above description, the present invention has at least the following advantages and effects, and is far more advanced than the prior art.
1. The structure is simple, and is composed only of the socket 2, the ear cover 3 and the push button 4.
2. When the windshield lens 5 is removed, only (1) the micro lens 5 and the opening switch 46 are required, (2) the push button 4 is pushed up and the ear cover 3 is pulled to separate the lens 5 from the helmet body 1, and (3) Pulling the ear cover 3 and the lens 5 to apply force to completely remove the lens 5 is quite simple and convenient in operation.
3. When assembling the windshield lens 5, only (1) the lens 5 is inserted into the gap between the ear cover 3 and the push button 4, so that the two cards are combined, and (2) the push button 4 is pushed and the seat 2 is pushed. Pressing down, releasing push button 4 to engage with socket 2, (3) closing switch 46, so that lens 5 is indeed mounted on the helmet body 1, is also relatively simple and convenient to operate.

To sum up, the specific structure disclosed in this creative embodiment is completely different from the well-known person and can achieve the intended purpose and effect. It can be called a novel and progressive creation, and proposes a new type according to law. patent application.

1‧‧‧The main body of the helmet 11.‧‧‧ Groove 12‧‧‧ Hole 2‧‧‧ socket 21‧‧‧Cart 22‧‧‧ Bulge 23, 53‧‧‧Segment 24‧‧‧ 25‧‧‧ Screws 26‧‧‧ Bumps 3‧‧‧ Ears 31‧‧‧ Alcove 32‧‧ Tracks 33‧‧‧Gap 4‧‧‧ Push buttons 41‧‧‧ Tracks 42, 43 ‧ ‧ ‧ Room 44‧‧‧ Window 45‧‧ ‧ Guide block 46‧‧ ‧ Switch 47‧‧ ‧ Guide bar 48‧‧ ‧ Car block 49‧‧‧ Elastic elements 5‧‧‧ Windshield 51‧‧ ‧Cars 52.‧‧ round holes

The first picture shows a perspective view of the creation.
The second figure shows a partial side view of the creation.
The third figure shows a partial exploded view of the creation.
The fourth figure shows the structure of the ear cover in this creation.
The fifth figure shows the back side of the creation push button.
The sixth figure is a cross-sectional view taken along line A-A in the second figure.
The seventh figure is a cross-sectional view taken along line B-B in the second figure.
The eighth figure shows the large exploded view of the creation.
The ninth figure shows the use of the lens on the creation of the lens.
The tenth figure shows the use of the lens when disassembling the lens. Figure 11 is a cross-sectional view taken along line C-C in the tenth figure.
Figure 12 is a cross-sectional view taken along the line D-D in the tenth figure.

1‧‧‧ helmet body

11‧‧‧ Groove

12‧‧‧ hole

2‧‧‧ socket

21‧‧‧clamp

22‧‧‧垣

23, 53‧‧‧ teeth

24‧‧‧ deck

25‧‧‧ screw

26‧‧‧Bumps

3‧‧‧ ear cover

31‧‧ ‧ alcove

32‧‧‧ rail slot

33‧‧‧ gap

4‧‧‧ push button

41‧‧‧ Tracks

44‧‧‧ window

46‧‧‧ switch

49‧‧‧Flexible components

5‧‧‧ Windshield

51‧‧‧Cars

52‧‧‧ round hole

Claims (3)

A safety helmet windshield quick release device comprising:
a helmet body having a groove on each side;
a receiving seat, disposed in the recess of the helmet body, having a tooth segment and a bump;
An ear cover is disposed on the receiving seat and has an alcove, and the two sides of the concave chamber respectively have a rail groove and a notch;
a push button is disposed in the recessed chamber of the ear cover, and has a rail piece for inserting into the rail slot, so that the push button can be slidably displaced on the ear cover, and a gap is formed between the push button and the ear cover, and the inside of the push button has a The chamber can be engaged with the socket protrusion, and a switch is arranged on the inner side of the push button to control the displacement of the push and twist, and an elastic element is positioned between the push button and the ear cover; and a windshield lens is provided at both ends Each has a resilient latching piece which can be inserted into the gap between the push button and the ear cover to be engaged with the ear cover, and has a toothed section on the inner side of the latching piece to engage with the toothed section of the receiving seat;
The device is used for the purpose of simple structure and convenient disassembly and assembly. The helmet windshield quick release device according to claim 1, wherein the socket is capable of fixing a card holder. The helmet windshield quick release device according to claim 1, wherein the push button inner side has an elongated chamber and an arc guide, and the elongated chamber is adapted to receive the switch. One side of the switch has a resilient guide rod, and the bottom end has a snap block.