CN216493708U

CN216493708U - Safety helmet for railway tunnel construction

Info

Publication number: CN216493708U
Application number: CN202220021663.1U
Authority: CN
Inventors: 万乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-13
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a safety helmet for railway tunnel construction, which relates to the technical field of safety helmets and comprises a safety helmet shell, wherein an inner supporting assembly is arranged in an inner cavity of the safety helmet shell and comprises an annular rubber pad, the annular rubber pad is connected with the edge of the opening end of the safety helmet shell in an adhering mode, a notch is formed in the front end of the annular rubber pad, an installation plate is arranged in the inner cavity of the notch, two ends of the installation plate are fixedly connected with the inner walls of two ends of the notch respectively, and a sponge pad is adhered to the inner side wall of the installation plate. According to the utility model, the gap is reserved between the mounting plate and the safety helmet shell, the glasses frame is arranged in the gap, the upper end of the glasses frame is fixedly connected with the guide plate, and the guide sleeve is movably sleeved on the outer side of the guide plate, so that the glasses frame can be pulled out from the space between the mounting plate and the safety helmet shell by pulling the glasses frame and is buckled on the eyes of a user, thereby achieving the effects of blocking dust and protecting the eyes of the user.

Description

Safety helmet for railway tunnel construction

Technical Field

The utility model relates to the technical field of safety helmets, in particular to a safety helmet for railway tunnel construction.

Background

Tunnel construction is a new engineering construction method which is provided by austrian from the viewpoint of rock mechanics in the long-term tunnel construction practice, adopts a system formed by adopting a spray anchor technology, monitoring measurement and the like and rock mechanics theory, and needs to wear a safety helmet for constructors in the tunnel construction process.

However, at present, safety helmet is used in current railway tunnel construction, it can only carry out safety protection to user's head, and can't carry out the dust protection to user's eyes to lead to after the user gets into the construction tunnel, the dust in the tunnel enters into the eye easily, and then influences patient's healthy. Therefore, it is necessary to provide a safety helmet for railway tunnel construction to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety helmet for railway tunnel construction, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a safety helmet for railway tunnel construction comprises a safety helmet shell, wherein an inner supporting assembly is arranged in an inner cavity of the safety helmet shell and comprises an annular rubber pad, the annular rubber pad is connected with the edge of an opening end of the safety helmet shell in an adhesive mode, a notch is formed in the front end of the annular rubber pad, a mounting plate is arranged in the inner cavity of the notch, two ends of the mounting plate are fixedly connected with inner walls of two ends of the notch respectively, a sponge pad is bonded on the inner side wall of the mounting plate, a gap is reserved between the outer side wall of the mounting plate and the inner side wall of the safety helmet shell, a spectacle frame is arranged in the gap, anti-explosion lenses are arranged at two ends of the spectacle frame, a sponge layer is bonded on the inner side wall of the spectacle frame, a guide plate is fixedly connected to the middle of the upper end of the spectacle frame, and a guide sleeve matched with the guide plate is movably sleeved on the outer side of the middle of the guide plate, the guide sleeve is fixedly arranged on the inner side wall of the front end of the helmet shell.

Preferably, the deflector sets up to the arc, the deflector is made by the ya keli material that can take place elastic deformation, deflector side middle part bonds and has the rubber layer.

Preferably, be provided with circular pad directly over the middle part of annular rubber pad, leave the clearance between the inside wall of circular pad and safety helmet casing, the upper surface of circular pad is run through and is seted up a plurality of evenly distributed bleeder vents.

Preferably, the edge of the circular pad is fixedly connected with a plurality of first connecting belts distributed in an annular array, and the lower ends of the first connecting belts are fixedly connected with the annular rubber pad.

Preferably, the upper end fixedly connected with second connecting band of first connecting band, the upper end of second connecting band and the inside wall fixed connection of safety helmet casing, circular pad, first connecting band and second connecting band are the non-woven fabrics.

Preferably, the top of the safety helmet shell is provided with a V-shaped reinforcing rib, and two side surfaces of the safety helmet shell are provided with vent holes.

The utility model has the technical effects and advantages that:

1. according to the safety helmet, the front end of the annular rubber pad is provided with the notch, the inner cavity of the notch is fixedly connected with the mounting plate, a gap is reserved between the mounting plate and the safety helmet shell, the glasses frame is arranged in the gap, the upper end of the glasses frame is fixedly connected with the guide plate, the outer side of the guide plate is movably sleeved with the guide sleeve, and the guide sleeve is fixedly connected with the inner wall of the safety helmet shell, so that the glasses frame can be pulled out from the space between the mounting plate and the safety helmet shell by pulling the glasses frame and is buckled on eyes of a user, and the effects of blocking dust and protecting the eyes of the user are achieved;

2. according to the utility model, the circular pad is arranged right above the middle part of the annular rubber pad, the plurality of uniformly distributed air holes are formed in the upper surface of the circular pad, and a gap is reserved between the circular pad and the inner wall of the safety helmet shell, so that when the device is worn, a gap is reserved between the head of a user and the safety helmet shell, and the ventilation effect can be effectively improved.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a schematic view of the interior of the shell structure of the helmet of the present invention.

Fig. 3 is a perspective view of the inner support assembly of the present invention.

Fig. 4 is a perspective view of the eyeglass frame of the present invention.

In the figure: 1. a helmet shell; 2. an inner support assembly; 3. an annular rubber pad; 4. a notch; 5. mounting a plate; 6. a sponge cushion; 7. a spectacle frame; 8. an explosion-proof lens; 9. a sponge layer; 10. a guide plate; 11. a guide sleeve; 12. a rubber layer; 13. a circular pad; 14. air holes are formed; 15. a first connecting belt; 16. a second connecting band; 17. reinforcing ribs; 18. and (4) a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the 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.

The utility model provides a safety helmet for railway tunnel construction, which comprises a safety helmet shell 1, wherein an inner support assembly 2 is arranged in an inner cavity of the safety helmet shell 1, the inner support assembly 2 comprises an annular rubber pad 3, the annular rubber pad 3 is connected with the edge of the opening end of the safety helmet shell 1 in an adhering mode, and the annular rubber pad 3 is used for protecting the head of a user and improving wearing comfort.

Secondly, breach 4 has been seted up at the front end of annular rubber pad 3, and the inner chamber of breach 4 is provided with mounting panel 5, and the both ends of mounting panel 5 respectively with the both ends inner wall fixed connection of breach 4, the inside wall of mounting panel 5 bonds there is foam-rubber cushion 6, leaves the clearance between the lateral wall of mounting panel 5 and the inside wall of safety helmet casing 1, and is provided with spectacle-frame 7 in the clearance, therefore spectacle-frame 7 can be followed the clearance between mounting panel 5 and safety helmet casing 1 and taken off.

Further, all be provided with explosion-proof lens 8 at the both ends of spectacle-frame 7, the inside wall of spectacle-frame 7 bonds there is sponge layer 9, setting up of sponge layer 9 is used for improving the leakproofness between spectacle-frame 7 and the user face, in order to avoid the dust to get into user's eye, the upper end middle part fixedly connected with deflector 10 of spectacle-frame 7, the uide bushing 11 of looks adaptation with it has been cup jointed in the middle part outside activity of deflector 10, uide bushing 11 fixed mounting is at the front end inside wall of safety helmet casing 1, consequently, deflector 10 can slide along the inner chamber of uide bushing 11, thereby drive spectacle-frame 7 gliding, and detain in user's eye, and when deflector 10 slided upward, can take in spectacle-frame 7 in the clearance between mounting panel 5 and safety helmet casing 1.

And, deflector 10 sets up to the arc, deflector 10 is made by the ya keli material that can take place elastic deformation, deflector 10 side middle part bonds there is rubber layer 12, consequently deflector 10 makes deflector 10 take place elastic deformation through pulling deflector 10, can ensure that spectacle-frame 7 can adapt to different users' face type, the setting of rubber layer 12 is used for increasing the frictional force between deflector 10 and the 11 inner walls of uide bushing, thereby avoid spectacle-frame 7 to take place to drop from the inner chamber of safety helmet casing 1 easily.

And, be provided with circular pad 13 directly over annular rubber pad 3's middle part, leave the clearance between the inside wall of circular pad 13 and safety helmet casing 1, the upper surface of circular pad 13 runs through and has seted up a plurality of evenly spread bleeder vent 14, and circular pad 13 laminating is at user's top of the head, and setting up of bleeder vent 14 is used for increasing ventilation effect.

Secondly, there are a plurality of first connecting bands 15 that are the annular array and distribute at the marginal fixedly connected with of circular pad 13, the lower extreme and the 3 fixed connection of annular rubber pad of first connecting band 15, the upper end fixedly connected with second connecting band 16 of first connecting band 15, the upper end of second connecting band 16 and the inside wall fixed connection of safety helmet casing 1, circular pad 13, first connecting band 15 and second connecting band 16 are the non-woven fabrics, the setting of first connecting band 15 and second connecting band 16 is used for fixing a position circular pad 13, it takes place to rock to avoid the user to wear this device.

Furthermore, a V-shaped reinforcing rib 17 is arranged at the top of the helmet shell 1 and used for improving the overall impact resistance of the helmet shell 1, and vent holes 18 are formed in the two side surfaces of the helmet shell 1 and used for ventilating and radiating the inside of the helmet shell 1.

The working principle of the utility model is as follows:

when the device is used, the glasses frame 7 can be pulled out from the gap between the mounting plate 5 and the helmet shell 1 by pulling the glasses frame 7 and is buckled on the eyes of a user, and the guide plate 10 can be elastically deformed, so that the glasses frame 7 can be ensured to adapt to the face shapes of different users by pulling the guide plate 10, and the application range of the device is further expanded;

when the surface dust of the explosion-proof lens 8 is more or the explosion-proof lens 8 is damaged due to the fact that the spectacle frame 7 is used for multiple times, the explosion-proof lens 8 can be cleaned or the whole spectacle frame 7 can be replaced by pulling the spectacle frame 7 downwards until the guide plate 10 is pulled out of the inner cavity of the guide sleeve 11.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a safety helmet is used in railway tunnel construction, includes safety helmet casing (1), its characterized in that: the inner cavity of the safety helmet shell (1) is provided with an inner support assembly (2), the inner support assembly (2) comprises an annular rubber pad (3), the annular rubber pad (3) is connected with the edge of the opening end of the safety helmet shell (1) in an adhering mode, a notch (4) is formed in the front end of the annular rubber pad (3), a mounting plate (5) is arranged in the inner cavity of the notch (4), the two ends of the mounting plate (5) are fixedly connected with the inner walls of the two ends of the notch (4) respectively, a sponge pad (6) is adhered to the inner wall of the mounting plate (5), a gap is reserved between the outer side wall of the mounting plate (5) and the inner wall of the safety helmet shell (1), a spectacle frame (7) is arranged in the gap, the two ends of the spectacle frame (7) are provided with explosion-proof lenses (8), and a sponge layer (9) is adhered to the inner wall of the spectacle frame (7), the upper end middle part fixedly connected with deflector (10) of spectacle-frame (7), the middle part outside activity of deflector (10) is cup jointed uide bushing (11) of looks adaptation with it, uide bushing (11) fixed mounting is in the front end inside wall of safety helmet casing (1).

2. The safety helmet for railway tunnel construction according to claim 1, wherein: the guide plate (10) is arc-shaped, the guide plate (10) is made of an acrylic material capable of elastically deforming, and a rubber layer (12) is bonded in the middle of one side face of the guide plate (10).

3. The safety helmet for railway tunnel construction according to claim 2, wherein: be provided with circular pad (13) directly over the middle part of annular rubber pad (3), leave the clearance between the inside wall of circular pad (13) and safety helmet casing (1), the upper surface of circular pad (13) runs through and has seted up a plurality of evenly distributed bleeder vents (14).

4. The safety helmet for railway tunnel construction according to claim 3, wherein: the edge fixedly connected with of circular pad (13) is a plurality of first connector bands (15) that are the annular array and distribute, the lower extreme and the annular rubber pad (3) fixed connection of first connector band (15).

5. The safety helmet for railway tunnel construction according to claim 4, wherein: the upper end fixedly connected with second connecting band (16) of first connecting band (15), the upper end of second connecting band (16) and the inside wall fixed connection of safety helmet casing (1), circular pad (13), first connecting band (15) and second connecting band (16) are the non-woven fabrics.

6. The safety helmet for railway tunnel construction according to claim 5, wherein: the top of the safety helmet shell (1) is provided with a V-shaped reinforcing rib (17), and both side surfaces of the safety helmet shell (1) are provided with vent holes (18).