CN112971257A

CN112971257A - Safety helmet

Info

Publication number: CN112971257A
Application number: CN202110249748.5A
Authority: CN
Inventors: 孙永锋; 张振锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-06-18

Abstract

The invention discloses a safety helmet, which belongs to the field of helmets and comprises a helmet body with an opening at the lower end, wherein the helmet body comprises an outer wall and an inner wall positioned below the outer wall; also comprises a plurality of sleeve bodies with the shapes corresponding to the inner walls of the cap bodies; the plurality of sleeve bodies are overlapped together in sequence and are arranged in the cap body. The cap body is internally provided with a plurality of overlapped sleeve bodies, when the outermost (lowest) sleeve body is dirty, the sleeve body is replaced, the previous clean sleeve body is used as the outermost sleeve body, the clean sleeve body is contacted with the head of a person, the head of the person cannot be dirty, and the dirty sleeve body does not need to be washed, so that the aim of the invention is fulfilled.

Description

Safety helmet

Technical Field

The invention belongs to the field of helmets, and particularly relates to a safety helmet.

Background

When people go to local visits such as building site, mill in, when looking at, generally can provide the safety helmet for everybody in building site and the mill, after many people wear same safety helmet, make dirty by scurf etc. easily, especially make dirty by sweat more easily on the hot day, make dirty back inconvenient washing, not clean, reuse can give people's head and make dirty. The safety helmets equipped on the shared bicycle can be worn by a plurality of people and can be polluted, and the safety helmets are in the open air, are easy to dust and the like, and are easier to be polluted than the safety helmets in the construction sites and the factories. At present, no technical scheme for solving the problems is available.

Disclosure of Invention

Accordingly, it is an object of the present invention to provide a safety helmet which does not require cleaning and does not soil the head of the next user after being soiled.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a safety helmet comprises a helmet body with an opening at the lower end, wherein the helmet body comprises an outer wall and an inner wall positioned below the outer wall; also comprises a plurality of sleeve bodies with the shapes corresponding to the inner walls of the cap bodies; the plurality of sleeve bodies are overlapped together in sequence and are arranged in the cap body.

As a preferable scheme: the sleeve body is provided with a plurality of air holes.

As a preferable scheme: the inner wall of the cap body is connected with a magic paste female paste, the inner walls of the second and the upper sleeve bodies from bottom to top are connected with magic paste male pastes, and the outer wall of each sleeve body is connected with a magic paste female paste; all the female stickers correspond to the male stickers in position, and all the male stickers are attached to the female sticker closest to the upper side.

As a preferable scheme: a connecting sheet is arranged between two adjacent sleeves; the connecting sheet is connected with the left side of the opening part of the lower sleeve body and the right side of the opening part of the upper sleeve body, and the connecting sheet is wound on the outer wall of the next sleeve body; the sleeve body is made of soft materials, and a winding mechanism for winding the sleeve body is arranged on the right side of the outer wall of the cap body.

As a preferable scheme: the winding mechanism comprises a winding box with a downward opening, a winding cover detachably connected with the opening of the winding box, a roller shaft installed in the winding box and used for winding the sleeve body, and a motor driving the roller shaft to rotate; a gap through which the sleeve body passes is formed between one end, close to the cap body, of the upper end of the winding cover and the winding box; a supporting block is arranged in the rolling box, one end of the rolling shaft is connected with the motor, and the other end of the rolling shaft is rotatably connected with the supporting block; the right side of the lowest part of the plurality of sleeve bodies is also connected with a connecting sheet, and the connecting sheet is connected with the roll shaft.

As a preferable scheme: the left side of the opening of the sleeve body is connected with a pressing sheet, and the pressing sheet is connected with the connecting sheet nearest to the sleeve body; the safety helmet also comprises an extrusion mechanism for extruding the pressing sheet, wherein the extrusion mechanism comprises an extrusion box with a downward opening, an extrusion cover detachably connected with the opening of the extrusion box, a pressing plate arranged in the extrusion box and matched with the extrusion cover to clamp the pressing sheet, a pressing rod with the lower end connected with the upper end of the pressing plate and the upper end upwards penetrating through the extrusion box and extending to the upper part of the extrusion box, and a spring sleeved on the pressing rod and driving the pressing plate to move downwards; and a pressing sheet is arranged above the pressing plate, so that the pressing sheet can pass through a through hole in the extrusion box.

As a preferable scheme: the roller outside is equipped with curved, has elastic flange, flange one end is fixed with roller lateral wall one end, and the other end is taken on roller lateral wall other end, and the direction that the roller was kept away from in the middle part of the flange is buckled.

As a preferable scheme: the both sides that the rolling lid lower extreme corresponds the gap are equipped with respectively and carry out the curved guide plate that leads, the cover body.

As a preferable scheme: and a blade for cutting the sleeve body is arranged at the lower end of the winding cover corresponding to the middle of the connecting sheet.

Compared with the prior art, the invention has the main beneficial effects that:

1. the cap body is internally provided with a plurality of overlapped sleeve bodies, when the outermost (lowest) sleeve body is dirty, the sleeve body is replaced, the previous clean sleeve body is used as the outermost sleeve body, the clean sleeve body is contacted with the head of a person, the head of the person cannot be dirty, and the dirty sleeve body does not need to be washed, so that the aim of the invention is fulfilled.

2. The sleeve body is provided with the air holes, so that the ventilation can be promoted, and the head is not easy to be stuffy and hot and sweat.

3. The magic paste is arranged, particularly the male paste and the female paste are arranged at the topmost ends of the cap body and the inner and outer walls of the cap body, so that the uppermost cap body is connected with the inner wall of the cap body by the magic paste, and other cap bodies are connected by the magic paste, so that the cap body is not easy to separate from the cap body, and the cap body are convenient to connect and separate.

4. The sleeve bodies are soft, and two adjacent sleeve bodies are connected through the connecting sheet, so that the winding mechanism can wind the dirty sleeve body and expose the previous clean sleeve body, and the purpose of replacement is achieved; and two adjacent cover bodies are connected through the connecting piece, so when the cover body that the rolling made dirty and the connecting band of the cover body that the rolling was connected and was made dirty are covered with to rolling mechanism, can not stimulate last cover body, can not make the aversion of last clean cover body, so can treat to use next time.

5. The winding mechanism is provided with a roll shaft and an electric motor, the electric motor drives the roll shaft to rotate, and therefore the sleeve body can be wound, and the winding mechanism is convenient to control and use.

6. In order to further make the cover body that does not use can not shift at winding mechanism during operation, set up the preforming on the cover body, the position that corresponds at winding mechanism is the cap body left side and sets up extrusion mechanism, like this when the dirty cover body of winding mechanism work rolling, extrusion mechanism is extruding the preforming of other cover bodies, and winding mechanism just so is more difficult to pull other cover bodies and shifts, further gets to protect other cover bodies and can be used on normal position.

7. Because if the length of the roll shaft is designed to be as long as the front and back width of the helmet body (corresponding to the sleeve body), the whole helmet is more unsightly and heavy due to the long winding mechanism; if the roll shaft is designed to be shorter, the amount of the sleeve bodies rolled at the two ends of the roll shaft is certainly more than that rolled at the middle part of the roll shaft, so that the two ends of the roll shaft are thick, the middle of the roll shaft is small, and when the sleeve bodies are rolled again, the rolling length at the two ends is greater than that of the middle rolling length after the roll shaft rotates, so that the whole sleeve bodies are rolled unevenly, and the sleeve bodies corresponding to the middle part of the roll shaft are bulged, and the sleeve bodies cannot be rolled well by the middle part of the roll shaft.

8. The both sides that the rolling lid lower extreme corresponds the gap are equipped with respectively and lead, curved guide plate to the cover body, so can lead to cover body both sides for it draws close to the centre, the rolling of being convenient for, and the length of rolling box and roller can set up a bit like this, also can play the rolling effect, and looks like elegant appearance, not so heavy.

9. Set up the blade at rolling lid lower extreme, when the rolling of winding mechanism, the cover body and blade contact, the blade is cut into two halves to the cover body and the connection piece of rolling, so can solve above-mentioned 7 in the very big degree the condition of bulging, and make the cover of being rolled internal be drawn into the air less, reduce the swell, the cover body of being convenient for can be by the rolling of compact ground, reduce shared space.

Drawings

FIG. 1 is a schematic bottom perspective view of the present invention;

FIG. 2 is a cut-away view of the present invention (without the sleeve body);

FIG. 3 is an internal schematic view of the winding mechanism and the pressing mechanism of the present invention;

FIG. 4 is a schematic view of the take-up cartridge and crush cartridge of the present invention;

FIG. 5 is a schematic view of one construction of the roll shaft of the present invention;

FIG. 6 is another schematic view of the construction of the roll shaft of the present invention;

FIG. 7 is a schematic view of the rolling cover structure of the present invention;

FIG. 8 is a schematic view of the connection of a plurality of sleeves;

figure 9 is a schematic view of a plurality of sleeves of the present invention folded over the tabs and the imprints.

Reference numerals: 1. a cap body; 2. a sleeve body; 21. connecting sheets; 22. tabletting; 3. a winding mechanism; 31. a coiling box; 311. pressing a key; 312. a support block; 32. a winding cover; 321. a guide piece; 322. a blade; 4. an extrusion mechanism; 41. pressing the box; 42. extruding a cover; 43. pressing a plate; 44. a pressure lever; 441. pulling a plate; 45. a spring; 5. a roll shaft; 51. a first connector; 52. a convex plate; 53. accommodating grooves; 54. a nose bar; 6. an electric motor; 61. a second connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 9 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The present embodiment discloses a safety helmet, as shown in fig. 1, comprising a helmet body 1 with an opening at the lower end, wherein the helmet body 1 comprises an outer wall and an inner wall (a wall contacting with the head of a user when the helmet body 2 is not provided) below the outer wall. The novel cap also comprises a plurality of cap bodies 2 corresponding to the inner wall of the cap body 1, and the shape of the cap bodies 2 is approximately the same as that of the inner wall of the cap body 1, so that the cap bodies 2 can be sleeved on the head of a person, and the novel cap is convenient to use. All the sleeve bodies 2 are overlapped together in sequence and arranged in the cap body 1.

In order to facilitate the connection between the cap body 2 and the cap body 1 and the connection between the cap bodies 2: the position of the top of the inner wall of the cap body 1 is connected with a magic paste female paste, the position of the top of the inner wall of the second or more sleeve bodies 2 from bottom to top is connected with a magic paste male paste, the position of the top of the outer wall of each sleeve body 2 is connected with a magic paste female paste, and thus, the positions of all the female pastes correspond to the positions of the male pastes. The male sticker of the uppermost sleeve body 2 is connected with the female sticker of the cap body 1, and the female stickers of all the sleeve bodies 2 are attached to the nearest male sticker below the female sticker.

In order to facilitate the removal and collection of the used soiled glove body 2, as shown in figures 1 to 4: a connecting sheet 21 (see figure 8) is arranged between two adjacent sleeve bodies 2. The connecting piece 21 is connected with the left side of the opening part of the lower sleeve body 2 and connected with the right side of the opening part of the upper sleeve body 2, and the connecting piece 21 is wound on the outer wall of the next sleeve body 2. The cover body 2 is made of soft materials, so that the cover body 2 can be rolled by the rolling mechanism 3 fixedly arranged on the right side of the outer wall of the cap body 1, the purpose of taking down and collecting the soiled cover body 2 can be achieved, and manual operation is not needed. The winding mechanism 3 comprises a winding box 31 with a downward opening, a winding cover 32 detachably connected with the opening of the winding box 31, a roller shaft 5 installed in the winding box 31 and used for winding the sleeve body 2, and a motor 6 for driving the roller shaft 5 to rotate. A gap for the sleeve body 2 to pass through exists between one end of the winding cover 32 close to the cap body 1 and the winding box 31. The right side of the lowest part of the plurality of sleeve bodies 2 is also connected with a connecting piece 21, and the connecting piece 21 is connected with the roll shaft 5. The winding box 31 is internally provided with a supporting block 312, one end of the roll shaft 5 is fixedly connected with a first connector 51, the rotating shaft of the motor 6 is fixedly connected with a second connector 61, and the two connectors can be connected through screws. The other end of the roll shaft 5 is rotatably connected to a support block 312. The controller and the accumulator are arranged in the winding box 31, and the plurality of keys 311 are arranged outside the winding box 31, so that the controller can control the winding mechanism 3 to work only by pressing the corresponding keys 311.

In order to ensure that the unused cap body 2 is not easy to shift when the winding mechanism 3 works, and the cap body 2 can be better connected with the cap body 1: the left side of the opening of the sleeve body 2 is connected with a pressing sheet 22 (see figure 8), and the pressing sheet 22 is connected with the connecting sheet 21 nearest to the sleeve body 2. As shown in fig. 1-4, the safety helmet further comprises a pressing mechanism 4 for pressing the pressing plate 22, the pressing mechanism 4 comprises a pressing box 41 with a downward opening, a pressing cover 42 detachably connected with the opening of the pressing box 41, a pressing plate 43 arranged in the pressing box 41 and matched with the pressing cover 42 to clamp the pressing plate 22, a pressing rod 44 with a lower end connected with the upper end of the pressing plate 43 and an upper end upwards penetrating through the pressing box 41 and extending to the upper side of the pressing box 41, and a spring 45 sleeved on the pressing rod 44 and driving the pressing plate 43 to move downwards. The pressing plate 43 is provided with a pressing sheet 22 above to enter the extrusion box 41 through a through hole, so that the pressing sheet 22 of each cover body 2 extends into the extrusion box 41 to be pressed by the pressing plate 43, the unused cover body 2 is not easy to be pulled and displaced by the winding mechanism 3, and the lower end of the cover body 2 is not easy to be separated from the cap body 1.

In order to shorten the winding box 31 and the roller shaft 5, and to avoid the situation that the whole winding of the sleeve body 2 is not uniform due to the end of the roller shaft 5 and the sleeve body 2 corresponding to the middle part of the roller shaft 5 is bulged, as shown in fig. 5: the outer side of the roll shaft 5 is provided with an arc-shaped elastic convex plate 52, one end of the convex plate 52 is fixed with one end of the outer side wall of the roll shaft 5, the other end of the convex plate is lapped on the other end of the outer side wall of the roll shaft 5, and the middle part of the convex plate 52 is bent away from the roll shaft 5, namely, the distance from the point on the convex plate 52 to the roll shaft 5 is gradually increased from the two ends to the middle of the convex plate 52. Because one end of the convex plate 52 is fixed with the roller shaft 5, the other end of the convex plate 52 is not fixed, and the convex plate 52 is elastic, when the sleeve body 2 on the roller shaft 5 is taken down, the middle part of the convex plate 52 is pressed through the sleeve body 2, the convex plate 52 is pressed to be attached to the roller shaft 5, the right end of the convex plate 52 moves towards the right side in the drawing, so that the middle part of the convex plate 52 is pressed flatly, the convex plate cannot tilt, and the winding sleeve body 2 cannot be taken down. It should be noted that the middle of the convex plate 52 is not pressed, and as long as the sleeve body 2 is pulled to the right in the figure, when the sleeve body 2 moves to the right, the sleeve body 2 will press the convex plate 52 downwards, so that the right end of the convex plate 52 moves to the right, and thus the middle of the convex plate 52 is also pressed to the roller and will not tilt.

If the take-up reel 31 and the roller 5 are designed to be shorter, in order to be able to take up the sleeve body 2 better, as shown in fig. 7: the two sides of the lower end of the rolling cover 32 corresponding to the gap are respectively fixedly connected with the arc-shaped guide pieces 321 for guiding the sleeve body 2, so that the guide pieces 321 extrude and guide the two sides of the sleeve body 2 to the middle, and the rolling is convenient.

To enhance breathability, so that the head is not too stuffy, as shown in fig. 8: the sleeve body 2 of the invention is provided with a plurality of air holes.

The using method comprises the following steps: when people use the invention, whether the sleeve body used in the cap body (the outermost sleeve body) is dirty or not is observed, when the sleeve body is dirty, the corresponding key is pressed for a long time, then the controller controls the motor to work, the rotating shaft of the motor drives the roller shaft to rotate, the roller shaft winds the sleeve body, and the dirty sleeve body and the connecting sheet connected with the pressing sheet of the motor are wound on the roller shaft, so that the previous clean sleeve body is completely exposed (can be judged by observation) and the corresponding key can be loosened. When the cover body of rolling on the roller is to be dismantled, the rolling cover is dismantled, then the roller is dismantled again, then the cover body of rolling is pulled to the direction of keeping away from first connector, just can pull the cover body from the roller and come down.

Example 2

As shown in fig. 7, the present embodiment is different from embodiment 1 in that: a blade 322 for cutting the sleeve body is arranged at the lower end of the rolling cover corresponding to the middle of the connecting sheet. Like this when the cover body of winding mechanism rolling, the blade is cut into two halves the cover body and the connection piece of rolling, and the condition that the middle part was heaved when so can greatly solving the cover integument rolling, and make the cover of being rolled in the body less be drawn into the air, reduce the swell, the cover body of being convenient for can be by the rolling of compact ground, reduces shared space. In the present embodiment, the sleeve body can be removed without pressing the convex plate as in embodiment 1, and the sleeve body can be removed by directly pulling the corresponding half-rolled sleeve bodies to both sides.

Example 3

This embodiment is different from embodiment 1 in that the convex plate is replaced by a convex rod, as shown in fig. 6: the roller shaft of the embodiment is provided with a strip-shaped accommodating groove 53 along the length direction of the roller shaft, and the accommodating groove penetrates through the end, far away from the first connecting head, of the roller shaft. Be equipped with elastic nose bar 54 in the holding tank, nose bar one end is fixed with holding tank diapire one end, and the other end (the end of keeping away from first connector) is taken on holding tank diapire other end, and the direction that the holding tank diapire was kept away from in the middle part of the nose bar is buckled, follows the nose bar both ends promptly to the centre, and the distance of some on the nose bar to holding tank diapire grows gradually. The function and use characteristics of the protruding rod are the same as those of the protruding plate, and the embodiment is provided for providing different embodiments.

As shown in figures 8 and 9, the cap is formed by connecting three sleeve bodies, three pressing sheets and three connecting sheets in sequence, the condition shown in figure 8 is folded into the condition shown in figure 9, then the sleeve bodies are overlapped together and put into the cap body, and the condition shown in figure 1 can be achieved.

The mechanism for attaching the helmet to the head of a person is not a design point of the present invention and is therefore not described here nor shown in the drawings.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should make general changes and substitutions within the technical scope of the present invention to be included in the protection scope of the present invention.

Claims

1. A safety helmet comprises a helmet body with an opening at the lower end, wherein the helmet body comprises an outer wall and an inner wall positioned below the outer wall; the method is characterized in that: also comprises a plurality of sleeve bodies with the shapes corresponding to the inner walls of the cap bodies; the plurality of sleeve bodies are overlapped together in sequence and are arranged in the cap body.

2. A safety helmet according to claim 1, wherein: the sleeve body is provided with a plurality of air holes.

3. A safety helmet according to claim 1, wherein: the inner wall of the cap body is connected with a magic paste female paste, the inner walls of the second and the upper sleeve bodies from bottom to top are connected with magic paste male pastes, and the outer wall of each sleeve body is connected with a magic paste female paste; all the female stickers correspond to the male stickers in position, and all the female stickers are attached to the male sticker nearest above.

4. A safety helmet according to claim 1, wherein: a connecting sheet is arranged between two adjacent sleeves; the connecting sheet is connected with the left side of the opening part of the lower sleeve body and the right side of the opening part of the upper sleeve body, and the connecting sheet is wound on the outer wall of the next sleeve body; the sleeve body is made of soft materials, and a winding mechanism for winding the sleeve body is arranged on the right side of the outer wall of the cap body.

5. A safety helmet according to claim 4, wherein: the winding mechanism comprises a winding box with a downward opening, a winding cover detachably connected with the opening of the winding box, a roller shaft installed in the winding box and used for winding the sleeve body, and a motor driving the roller shaft to rotate; a gap through which the sleeve body passes is formed between one end, close to the cap body, of the upper end of the winding cover and the winding box; a supporting block is arranged in the rolling box, one end of the rolling shaft is connected with the motor, and the other end of the rolling shaft is rotatably connected with the supporting block; the right side of the lowest part of the plurality of sleeve bodies is also connected with a connecting sheet, and the connecting sheet is connected with the roll shaft.

6. A safety helmet according to claim 4, wherein: the left side of the opening of the sleeve body is connected with a pressing sheet, and the pressing sheet is connected with the connecting sheet nearest to the sleeve body; the safety helmet also comprises an extrusion mechanism for extruding the pressing sheet, wherein the extrusion mechanism comprises an extrusion box with a downward opening, an extrusion cover detachably connected with the opening of the extrusion box, a pressing plate arranged in the extrusion box and matched with the extrusion cover to clamp the pressing sheet, a pressing rod with the lower end connected with the upper end of the pressing plate and the upper end upwards penetrating through the extrusion box and extending to the upper part of the extrusion box, and a spring sleeved on the pressing rod and driving the pressing plate to move downwards; and a pressing sheet is arranged above the pressing plate, so that the pressing sheet can pass through a through hole in the extrusion box.

7. A safety helmet according to claim 5, wherein: the roller outside is equipped with curved, has elastic flange, flange one end is fixed with roller lateral wall one end, and the other end is taken on roller lateral wall other end, and the direction that the roller was kept away from in the middle part of the flange is buckled.

8. A safety helmet according to claim 11, wherein: the both sides that the rolling lid lower extreme corresponds the gap are equipped with respectively and carry out the curved guide plate that leads, the cover body.

9. A safety helmet according to claim 5, wherein: and a blade for cutting the sleeve body is arranged at the lower end of the winding cover corresponding to the middle of the connecting sheet.