CN210988448U - Sweat removing device for safety helmet - Google Patents

Abstract

The utility model discloses a sweat removing device for a safety helmet, which comprises a safety helmet body, wherein the outer surface of the safety helmet body is provided with a heat radiation port in a penetrating way, the inside of the safety helmet body is fixedly provided with a grid frame, and the inner wall of the safety helmet body is fixedly provided with an arc ventilation plate; this a remove sweat device for safety helmet, through first vent, the arc ventilating board, first communicating pipe, first air inlet device, the mount pad, first exhaust apparatus, a drive arrangement, the air inlet flabellum, first connecting axle, the air intake, second drive arrangement, the air outlet, the cooperation of air-out flabellum and second connecting axle is used, thereby can introduce the inside of safety helmet body with the outside air, thereby cool down the inside of safety helmet body, also can take out the inside heat of safety helmet body fast simultaneously, help accelerating the inside radiating efficiency to safety helmet body, be favorable to improving the radiating effect, great reduction the inside temperature of safety helmet body, cooling perspire.

Description

Sweat removing device for safety helmet

Technical Field

The utility model relates to a remove sweat device, specifically be a remove sweat device for safety helmet.

Background

In recent years, the problem that the life and property safety of a power grid and people are influenced by frequent occurrence of external force damage to a distribution network line is increasingly prominent, and it is very important to adopt rapid and effective first-aid repair measures. At present, operation and maintenance work of a distribution network line is gradually developed into live-line work, and compared with the traditional power failure work, the live-line work greatly improves the power supply reliability, but brings new potential safety hazards to workers. The safety helmet is a hat which can protect the head of a person from being hurt by falling objects and other specific factors. The safety helmet consists of a helmet shell, a helmet liner, a chin strap, accessories and the like. The cap shell is hemispherical, firm, smooth and elastic, and the impact and puncture kinetic energy of the hit object are mainly borne by the cap shell. A certain space is left between the helmet shell and the helmet liner, and the instantaneous impact force can be buffered and dispersed, so that the direct damage to the head is avoided or reduced.

The operation personnel work under the hot environment of weather, because the ventilation effect of current safety helmet is not good, the inside heat of safety helmet of unable timely cleaing away leads to a large amount of sweat to appear in the face, and the sweat often flows in the eye along the cheek and influences normal work, and owing to be high altitude live working, the staff can't in time handle the sweat, and the travelling comfort reduces.

Disclosure of Invention

An object of the utility model is to provide a remove sweat device for safety helmet to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sweat removing device for a safety helmet comprises a safety helmet body, wherein a heat dissipation port is formed in the outer surface of the safety helmet body in a penetrating mode, a grid frame is fixedly mounted inside the safety helmet body, an arc ventilating plate is fixedly mounted on the inner wall of the safety helmet body, a first ventilation opening is formed in one side, away from the inner wall of the safety helmet body, of the arc ventilating plate in a penetrating mode, a mounting seat is fixedly mounted at the rear end of the safety helmet body, a first air inlet device and a first air exhaust device are fixedly mounted at the top of the mounting seat respectively, an air inlet is formed in one side of the first air inlet device in a penetrating mode, a first connecting shaft is rotatably mounted on the first air inlet device through a connecting piece mounted on one side of the inner wall of the first air inlet device, an air inlet fan blade is fixedly mounted on one side, close to the air inlet fan blade is, one end of the first driving device penetrates through the top of the first air inlet device and extends into the first air inlet device, one side of the first driving device, which is positioned in the first air inlet device, is connected with the first connecting shaft, one side of the first air exhaust device penetrates through the air outlet, the first air exhaust device is rotatably provided with a second connecting shaft through a connecting piece arranged on one side of the inner wall of the first air exhaust device, one side, which is far away from the air outlet, of the second connecting shaft is fixedly provided with an air outlet fan blade, the top of the first air exhaust device is fixedly provided with the second driving device, one end of the second driving device penetrates through the top of the first air exhaust device and extends into the first air exhaust device, one end of the second driving device, which is positioned in the first air exhaust device, is connected with the second connecting shaft, and the other side of the first air inlet device and the first air exhaust device is fixedly provided with a, and one side of the first communicating pipe runs through the outer walls of the safety helmet body and the arc-shaped ventilating plate respectively and extends to the inside of the arc-shaped ventilating plate.

As a further aspect of the present invention: one side fixed mounting of safety helmet body inner wall has the arc connecting plate, and the bottom of arc connecting plate extends to the safety helmet body outside, one side fixed mounting that the arc connecting plate is located the safety helmet body outside has the elastic webbing, one side fixed mounting of elastic webbing has the backup pad, one side fixed mounting of backup pad has the spectacle-frame, one side of spectacle-frame is run through and has been seted up the installation cavity, the inside of installation cavity is provided with the eyepiece, and one side of eyepiece extends to outside the installation cavity, the backup pad is close to the one side of eyepiece and runs through and has seted up the second ventilation opening, the bottom fixed mounting that first ventilation pipe is located the safety helmet body outside one side has first ventilation hose, and one side of first ventilation hose runs through mount pad and arc connecting plate respectively and is connected with the backup pad.

As a further aspect of the present invention: the fixing device is characterized in that two fixing plates are fixedly mounted on one side, far away from the supporting plate, inside the mounting cavity, two fixing cavities are formed in one side, close to the fixing plates, of the eyepiece, a first adsorption magnet is fixedly mounted inside the fixing cavities, two fixing rods are fixedly mounted on one side, close to the eyepiece, of the fixing plates, one sides of the fixing rods extend into the fixing cavities, a second adsorption magnet is fixedly mounted on one side, located inside the fixing cavities, of the fixing rods, the opposite surface of the second adsorption magnet and the opposite surface of the first adsorption magnet are in magnetic adsorption, a ventilation frame is fixedly mounted on one side, located outside the mounting cavity, of the eyepiece, two nut seats are fixedly mounted at the top of the ventilation frame, a communication port is formed in the top of the ventilation frame and located under the nut seats in a penetrating mode, a third ventilation port is formed in the inner surface of the ventilation frame, and the outer surface of the second ventilating hose is provided with a fixing bolt, and the fixing bolt is in threaded connection with the nut seat.

As a further aspect of the present invention: one side that the spectacle-frame is close to the fixed plate is inlayed and is installed two distance sensor, the one side fixed mounting that the second ventilation opening was kept away from to the backup pad has speech device, speech device's inside is provided with the megaphone, one side fixed mounting of speech device has the soft pole of metal, the soft pole of metal is kept away from one side of speech device and is provided with the microphone.

As a further aspect of the present invention: still include two ventilation soft boards, the surface of ventilation soft board runs through and has seted up the fourth wind gap, and fixed mounting has the safety belt between two ventilation soft boards, the one end of two ventilation soft boards is equallyd divide and is do not fixed mounting have second air inlet device and second exhaust device, and second air inlet device and second exhaust device and first air inlet device and first exhaust device's structure unanimous, one side fixed mounting of second air inlet device has first connecting pipe, one side fixed mounting of second exhaust device has the second connecting pipe, the second connecting pipe all runs through one side of ventilation soft board and extends to the inside of ventilation soft board with one side of first connecting pipe.

As a further aspect of the present invention: the safety helmet comprises a helmet body and is characterized in that a buffer seat is fixedly mounted on the outer surface of the helmet body, a limiting slide rod is fixedly mounted at the bottom of the inner wall of the buffer seat, a buffer rod is slidably mounted on the limiting slide rod, the top of the buffer rod penetrates through the inner surface of the buffer seat and extends to the outside of the buffer seat, a protection plate is fixedly mounted at the top of the buffer rod, and a buffer spring is sleeved on the outer surface of the limiting slide rod.

As a further aspect of the present invention: the first driving device is composed of a motor and a gear transmission part, and the first driving device and the second driving device are consistent in structure.

As a further aspect of the present invention: the fixed rod and the fixed cavity are both circular in shape, and the fixed rod is matched with the fixed cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model uses the first ventilation opening, the arc ventilation board, the first communicating pipe, the first air intake device, the mounting seat, the first exhaust device, the first driving device, the air intake fan blade, the first connecting shaft, the air intake, the second driving device, the air outlet fan blade and the second connecting shaft, thereby introducing the outside air into the safety helmet body, cooling the interior of the safety helmet body, simultaneously, also can rapidly extract the heat in the safety helmet body, which is helpful for accelerating the heat dissipation efficiency of the interior of the safety helmet body, is beneficial for improving the heat dissipation effect, greatly reduces the temperature in the safety helmet body, reduces the temperature and perspires, prevents the sweat on the face of the worker from influencing the normal work, thereby greatly improving the comfort of the safety helmet body, and improving the working environment of the worker to a certain extent, so as to improve the working efficiency and the operation quality.

2. The utility model discloses an arc connecting plate, first ventilation hose, the elastic webbing, the spectacle-frame, the installation cavity, the fixed plate, the eyepiece, fixed cavity, first distance sensor, first absorption magnet, the dead lever, second absorption magnet, fixing bolt, the nut seat, the frame ventilates, the second ventilation hose, the second ventilation opening, the intercommunication mouth, the cooperation of third ventilation opening and backup pad is used, thereby great having made things convenient for the installation and the dismantlement to the eyepiece, be convenient for change the eyepiece, and can be fine behind the eyepiece lock prevent sweat and flow into eyes, also can eliminate the steam that produces behind the eyepiece lock face simultaneously, reduce sweat around the staff's eye, further improve the comfort level of wearing, work efficiency and operation quality.

3. The utility model discloses a distance sensor uses with the cooperation of megaphone, the safe distance between human body and electrified conductor of judgement that can be accurate, when the operation personnel is too near with electrified body distance, warns the early warning through the megaphone to ensure live working staff and electrified body distance and satisfy throughout in safe distance, thereby avoid the emergence of electric shock accident, improve the security of operation.

4. The utility model discloses a loudspeaker, speech device, the soft pole of metal are used with the cooperation of microphone to make things convenient for the high worker operation personnel to carry out effectual language with ground guardian and communicate, ground guardian and operation constructor's language exchanges when strengthening live working, with the improvement operation quality, avoid because of linking up the potential safety hazard that appears clearly, and the soft pole of metal is convenient to be adjusted the position of microphone, helps improving the practicality of device.

5. The utility model discloses a cooperation of ventilation soft board, fourth wind gap, safety belt, second hot blast blowpipe apparatus, first connecting pipe, second connecting pipe and second exhaust device is used, when the operating personnel was worn the safety belt, can cool down the sweat to the waist and handle to help improving the comfort level that the safety belt was worn.

Drawings

Fig. 1 is a schematic structural view of a sweat removing device for a helmet.

Fig. 2 is a top view of a mounting base in a sweat removing device for a helmet.

Fig. 3 is a sectional view of a first wind intake device in the sweat removing device for the helmet.

Fig. 4 is a sectional view of a second air discharge device in the sweat removing device for the helmet.

Fig. 5 is a side view of a frame for eyeglasses in a sweat removal device for headgear.

Fig. 6 is a side view of a fixing plate in the sweat removing device for the helmet.

Fig. 7 is an enlarged view of the sweat removing device for the helmet at a in fig. 1.

Fig. 8 is a top view of a frame for eyewear in a sweat removing device for use in headgear.

Fig. 9 is a sectional view of a ventilation frame in the sweat removing device for the helmet.

Fig. 10 is a sectional view of a buffer base in the sweat removing device for helmet.

Fig. 11 is a schematic view showing the construction of a safety belt used in a sweat removing device for a helmet.

In the figure: 1-helmet body; 2-a grid frame; 3-a first vent; 4-an arc-shaped ventilation board; 5-a buffer rod; 6-protection plate; 7-a buffer seat; 8-a heat dissipation port; 9-a first communicating pipe; 10-an arc-shaped connecting plate; 11-a first ventilation hose; 12-an elastic band; 13-a loudspeaker; 14-a voice device; 15-a metal soft rod; 16-a microphone; 17-a first air intake device; 18-a mounting seat; 19-a first exhaust device; 20-a first drive; 21-air intake fan blades; 22-a first connecting shaft; 23-an air inlet; 24-a second drive; 25-air outlet; 26-air outlet fan blades; 27-a second connecting shaft; 28-spectacle frame; 29-mounting a cavity; 30-fixing the plate; 31-an eyepiece; 32-a fixed cavity; 33-a distance sensor; 34-a first attracting magnet; 35-a fixing rod; 36-a second attracting magnet; 37-fixing bolts; 38-nut seats; 39-a ventilation frame; 40-a second ventilation hose; 41-a second vent; 42-a communication port; 43-a third vent; 44-a limit slide bar; 45-a buffer spring; 46-a ventilated soft board; 47-a fourth vent; 48-a safety belt; 49-second air intake means; 50-a first connection tube; 51-a second connecting tube; 52-second air exhaust device; 53-support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 11, in an embodiment of the present invention, a sweat removing device for a safety helmet includes a safety helmet body 1, a heat dissipating port 8 is formed through an outer surface of the safety helmet body 1, a grid frame 2 is fixedly mounted inside the safety helmet body 1, an arc ventilation plate 4 is fixedly mounted on an inner wall of the safety helmet body 1, a first ventilation opening 3 is formed through one side of the arc ventilation plate 4 away from the inner wall of the safety helmet body 1, a mounting base 18 is fixedly mounted at a rear end of the safety helmet body 1, a first air intake device 17 and a first air exhaust device 19 are respectively fixedly mounted at a top of the mounting base 18, an air inlet 23 is formed through one side of the first air intake device 17, a first connecting shaft 22 is rotatably mounted through a connecting member mounted at one side of the inner wall of the first air intake device 17, an air intake fan blade 21 is fixedly mounted at one side of the first connecting shaft, a first driving device 20 is fixedly installed on the top of the first air intake device 17, one end of the first driving device 20 penetrates through the top of the first air intake device 17 and extends to the inside of the first air intake device 17, one side of the first driving device 20, which is positioned inside the first air intake device 17, is connected with a first connecting shaft 22, one side of the first air exhaust device 19 is penetrated and provided with an air outlet 25, a second connecting shaft 27 is rotatably installed on the first air exhaust device 19 through a connecting piece installed on one side of the inner wall of the first air exhaust device 19, an air outlet fan blade 26 is fixedly installed on one side, which is far away from the air outlet 25, of the second connecting shaft 27, a second driving device 24 is fixedly installed on the top of the first air exhaust device 19, one end of the second driving device 24 penetrates through the top of the first air exhaust device 19 and extends to the inside of the first air exhaust device 19, and one end, which is positioned inside the first air, the other sides of the first air intake device 17 and the first exhaust device 19 are fixedly provided with a first communicating pipe 9, one side of the first communicating pipe 9 respectively penetrates through the outer walls of the helmet body 1 and the arc-shaped ventilating plate 4 and extends to the inside of the arc-shaped ventilating plate 4, one side of the inner wall of the helmet body 1 is fixedly provided with an arc-shaped connecting plate 10, the bottom of the arc-shaped connecting plate 10 extends to the outside of the helmet body 1, one side of the arc-shaped connecting plate 10, which is positioned outside the helmet body 1, is fixedly provided with an elastic belt 12, one side of the elastic belt 12 is fixedly provided with a supporting plate 53, one side of the supporting plate 53 is fixedly provided with a spectacle frame 28, one side of the spectacle frame 28 is provided with an installation cavity 29 in a penetrating manner, an ocular lens 31 is arranged inside the installation cavity 29, one side of the ocular lens 31 extends to the outside of the installation cavity 29, one side, which is close to the ocular lens 31, is provided with a, one side of the first ventilation hose 11 respectively penetrates through the mounting seat 18 and the arc-shaped connecting plate 10 and is connected with the supporting plate 53, two fixing plates 30 are fixedly mounted inside the mounting cavity 29 and on the side far away from the supporting plate 53, two fixing cavities 32 are formed on the side of the eyepiece 31 close to the fixing plates 30, first adsorption magnets 34 are fixedly mounted inside the fixing cavities 32, two fixing rods 35 are fixedly mounted on the side of the fixing plates 30 close to the eyepiece 31, one sides of the fixing rods 35 extend into the fixing cavities 32, second adsorption magnets 36 are fixedly mounted on the side of the fixing rods 35 located inside the fixing cavities 32, the opposite surfaces of the second adsorption magnets 36 and the first adsorption magnets 34 are in magnetic adsorption, a ventilation frame 39 is fixedly mounted on the side of the eyepiece 31 located outside the mounting cavity 29, two nut seats 38 are fixedly mounted on the top of the ventilation frame 39, a communication port 42 is formed in the top of the ventilation frame 39 and located under the nut seats 38 in, the inner surface of the ventilation frame 39 is provided with a third ventilation port 43 in a penetrating way, one side of the top of the support plate 53 is fixedly provided with a second ventilation hose 40, the outer surface of the second ventilation hose 40 is provided with a fixing bolt 37, the fixing bolt 37 is in threaded connection with the nut seat 38, one side of the spectacle frame 28 close to the fixing plate 30 is embedded with two distance sensors 33, the distance sensors 33 are provided with three-level early warning, the first-level early warning distance is set to be 400mm, the second-level early warning distance is set to be 300mm, the third-level early warning distance is set to be 200mm, one side of the support plate 53 far away from the second ventilation port 41 is fixedly provided with a voice device 14, the voice device 14 is internally provided with a loudspeaker 13, one side of the voice device 14 is fixedly provided with a metal soft rod 15, one side of the metal soft rod 15 far away from the voice device 14, a safety belt 48 is fixedly installed between the two soft ventilation boards 46, one end of each of the two soft ventilation boards 46 is fixedly installed with a second air intake device 49 and a second air exhaust device 52, the structures of the second air intake device 49, the second air exhaust device 52 and the first air intake device 17 are consistent with the structure of the first air exhaust device 19, one side of the second air intake device 49 is fixedly installed with a first connecting pipe 50, one side of the second air exhaust device 52 is fixedly installed with a second connecting pipe 51, one side of the second connecting pipe 51 and one side of the first connecting pipe 50 both penetrate through one side of the soft ventilation board 46 and extend to the inside of the soft ventilation board 46, the outer surface of the helmet body 1 is fixedly installed with a buffer seat 7, the bottom of the inner wall of the buffer seat 7 is fixedly installed with a limit slide bar 44, the limit slide bar 5 is slidably installed on the limit slide bar 44, and the top of the buffer bar 5 penetrates through the inner surface, the top of buffer rod 5 is fixed with guard plate 6, and buffer spring 45 has been cup jointed to the surface of spacing slide bar 44, and first drive arrangement 20 has the motor to constitute with the gear drive spare, and first drive arrangement 20 is unanimous with second drive arrangement 24's structure, and the shape of dead lever 35 and fixed chamber 32 is circular, and dead lever 35 and fixed chamber 32 looks adaptation.

The utility model discloses a theory of operation is:

when the safety helmet is used, the first driving device 20 drives the first connecting shaft 22 to rotate, the air inlet fan blades 21 rotate along with the first connecting shaft 22, so that outside air can be introduced into the inside of the first air inlet device 17 from the air inlet 23, enter the inside of the arc-shaped ventilating plate 4 through the first communicating pipe 9, and finally enter the inside of the safety helmet body 1 through the first ventilating opening 3, so that the inside of the safety helmet body 1 is cooled, meanwhile, the second driving device 24 drives the second connecting shaft 27 to rotate, the air outlet fan blades 26 rotate along with the second connecting shaft 27, so that heat inside the safety helmet body 1 is rapidly extracted, the heat dissipation efficiency inside the safety helmet body 1 is accelerated, the heat dissipation effect is improved, the temperature inside the safety helmet body 1 is greatly reduced, the temperature is reduced, perspiration is reduced, the face of a worker is prevented from sweat from affecting normal work, and the use comfort of the safety helmet body 1 is greatly improved, the working environment of the working personnel can be improved to a certain degree, so that the working efficiency and the working quality are improved, the second ventilating hose 40 can be detachably and threadedly mounted with the ventilating frame 39 through the fixing bolt 37 and the nut seat 38, the threaded connection, the mounting and the dismounting are very convenient, meanwhile, the first adsorbing magnet 34 and the second adsorbing magnet 36 are magnetically adsorbed, so that the mounting and the dismounting of the ocular lens 31 are greatly facilitated, the ocular lens 31 is convenient to replace, sweat can be well prevented from flowing into eyes after the ocular lens 31 is buckled, meanwhile, the second ventilating hose 40 is communicated with the ventilating frame 39, the first ventilating hose 11 is communicated with the supporting plate 53, hot air generated after the ocular lens 31 is buckled on the face can be eliminated, the sweat around the eyes of the working personnel is reduced, the wearing comfort level is further improved, the working efficiency and the working quality are further improved, and the distance sensor 33 is matched with the loudspeaker 13 for use, the safety distance between a human body and a live conductor can be accurately judged, when an operator is too close to the live conductor, warning early warning is carried out through the loudspeaker 13, so that the distance between a live working worker and the live conductor is ensured to be always within the safety distance, electric shock accidents are avoided, the operation safety is improved, the loudspeaker 13, the voice device 14, the soft metal rod 15 and the microphone 16 are matched for use, effective language communication between the high-speed worker and a ground guardian is facilitated, the language communication between the ground guardian and the operation constructor during live working is enhanced, the operation quality is improved, the potential safety hazard caused by unclear communication is avoided, the soft metal rod 15 conveniently adjusts the position of the microphone 16, the practicability of the device is improved, and the soft ventilation board 46, the fourth air port 47, the safety belt 48, The second air intake device 49, the first connecting pipe 50, the second connecting pipe 51 and the second air exhaust device 52 are used in cooperation, when an operator wears the safety belt 48, the waist can be cooled and perspired, and therefore the wearing comfort of the safety belt 48 is improved.

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 invention.

Claims (8)

1. A sweat removing device for a safety helmet, comprising a safety helmet body (1), characterized in that: the safety helmet is characterized in that a heat dissipation opening (8) is formed in the outer surface of the safety helmet body (1) in a penetrating mode, a grid frame (2) is fixedly installed inside the safety helmet body (1), an arc ventilating plate (4) is fixedly installed on the inner wall of the safety helmet body (1), a first ventilation opening (3) is formed in one side, away from the inner wall of the safety helmet body (1), of the arc ventilating plate (4), a mounting seat (18) is fixedly installed at the rear end of the safety helmet body (1), a first air inlet device (17) and a first air exhaust device (19) are respectively and fixedly installed at the top of the mounting seat (18), an air inlet (23) is formed in one side of the first air inlet device (17) in a penetrating mode, a first connecting shaft (22) is installed through a connecting piece installed on one side of the inner wall of the first air inlet device (17) in a rotating mode, an air inlet fan blade (21) is fixedly installed, the top fixed mounting of first hot blast blowpipe apparatus (17) has first drive arrangement (20), the one end of first drive arrangement (20) runs through the top of first hot blast blowpipe apparatus (17) and extends to the inside of first hot blast blowpipe apparatus (17), and first drive arrangement (20) are located one side of first hot blast blowpipe apparatus (17) inside and are connected with first connecting axle (22), one side of first blast blowpipe apparatus (19) is run through and is seted up air outlet (25), first blast blowpipe apparatus (19) is rotated through the connecting piece of its inner wall side-mounting and is installed second connecting axle (27), one side fixed mounting that air outlet (25) were kept away from to second connecting axle (27) has air-out flabellum (26), the top fixed mounting of first blast blowpipe apparatus (19) has second drive arrangement (24), and the one end of second drive arrangement (24) runs through the top of first blast blowpipe apparatus (19) and extends to the inside of first blast blowpipe apparatus (19), second drive arrangement (24) are located the inside one end of first exhaust apparatus (19) and are connected with second connecting axle (27), the equal fixed mounting of the opposite side of first air inlet arrangement (17) and first exhaust apparatus (19) has first communicating pipe (9), and one side of first communicating pipe (9) runs through the outer wall of safety helmet body (1) and arc ventilating board (4) respectively and extends to the inside of arc ventilating board (4).

2. The sweat removing device for hard hat of claim 1, wherein: one side fixed mounting of safety helmet body (1) inner wall has arc connecting plate (10), and the bottom of arc connecting plate (10) extends to outside safety helmet body (1), one side fixed mounting elastic band (12) that arc connecting plate (10) are located outside safety helmet body (1), one side fixed mounting of elastic band (12) has backup pad (53), one side fixed mounting of backup pad (53) has spectacle-frame (28), one side of spectacle-frame (28) is run through and is seted up installation cavity (29), the inside of installation cavity (29) is provided with eyepiece (31), and one side of eyepiece (31) extends to outside installation cavity (29), the one side that backup pad (53) is close to eyepiece (31) runs through and has seted up second ventilation opening (41), the bottom fixed mounting that first communication pipe (9) is located safety helmet body (1) outer one side has first ventilation hose (11), and one side of the first ventilation hose (11) respectively penetrates through the mounting seat (18) and the arc-shaped connecting plate (10) and is connected with the supporting plate (53).

3. A sweat removing device for safety helmets according to claim 2, wherein: the fixing device is characterized in that two fixing plates (30) are fixedly mounted on one side, far away from a supporting plate (53), of the inside of the mounting cavity (29), two fixing cavities (32) are formed in one side, close to the fixing plates (30), of the ocular lens (31), first adsorption magnets (34) are fixedly mounted in the fixing cavities (32), two fixing rods (35) are fixedly mounted on one side, close to the ocular lens (31), of the fixing plates (30), one sides of the fixing rods (35) extend into the fixing cavities (32), second adsorption magnets (36) are fixedly mounted on one sides, located inside the fixing cavities (32), of the fixing rods (35), magnetic adsorption is formed between the second adsorption magnets (36) and the opposite surfaces of the first adsorption magnets (34), a ventilation frame (39) is fixedly mounted on one side, located outside the mounting cavity (29), of the ocular lens (31), and two nut seats (38) are fixedly mounted at the top of the ventilation frame (39), the top of ventilation frame (39) just is located nut seat (38) and runs through under and has seted up intercommunication mouth (42), the internal surface of ventilation frame (39) runs through and has seted up third ventilation opening (43), one side fixed mounting at backup pad (53) top has second ventilation hose (40), the surface of second ventilation hose (40) is provided with fixing bolt (37), and fixing bolt (37) and nut seat (38) threaded connection.

4. A sweat removing device for safety helmets according to claim 2, wherein: spectacle-frame (28) are close to one side of fixed plate (30) and inlay and install two distance sensor (33), one side fixed mounting that second ventilation opening (41) was kept away from in backup pad (53) has speech device (14), the inside of speech device (14) is provided with megaphone (13), one side fixed mounting of speech device (14) has soft pole of metal (15), one side that speech device (14) were kept away from in soft pole of metal (15) is provided with microphone (16).

5. The sweat removing device for hard hat of claim 1, wherein: the ventilation device also comprises two ventilation soft boards (46), a fourth ventilation opening (47) is formed in the outer surface of each ventilation soft board (46) in a penetrating mode, a safety belt (48) is fixedly installed between the two ventilation soft boards (46), one end of each of the two soft ventilation boards (46) is respectively and fixedly provided with a second air inlet device (49) and a second air exhaust device (52), and the second air intake device (49) and the second air exhaust device (52) and the first air intake device (17) and the first air exhaust device (19) have the same structure, a first connecting pipe (50) is fixedly arranged on one side of the second air inlet device (49), a second connecting pipe (51) is fixedly arranged at one side of the second air exhaust device (52), the second connecting pipe (51) and one side of the first connecting pipe (50) penetrate through one side of the flexible ventilating board (46) and extend to the interior of the flexible ventilating board (46).

6. The sweat removing device for hard hat of claim 1, wherein: the safety helmet is characterized in that a buffer seat (7) is installed on the outer surface of the safety helmet body (1), a limiting slide rod (44) is installed at the bottom of the inner wall of the buffer seat (7), a buffer rod (5) is installed on the limiting slide rod (44) in a sliding mode, the top of the buffer rod (5) penetrates through the inner surface of the buffer seat (7) and extends to the outside of the buffer seat (7), a protection plate (6) is installed at the top of the buffer rod (5), and a buffer spring (45) is sleeved on the outer surface of the limiting slide rod (44).

7. The sweat removing device for hard hat of claim 1, wherein: the first driving device (20) is composed of a motor and a gear transmission piece, and the first driving device (20) and the second driving device (24) are consistent in structure.

8. A sweat removing device for safety helmets according to claim 3, wherein: the fixing rod (35) and the fixing cavity (32) are both circular in shape, and the fixing rod (35) is matched with the fixing cavity (32).

Images