CN219920395U - Safety helmet with gas filtering function - Google Patents

Abstract

The utility model provides a safety helmet with a gas filtering function, which comprises the following components: the cap shell and filtering component, the through inslot fixed connection diaphragm that the cap shell was seted up runs through the groove and divide into observation groove and ventilation groove through the diaphragm, and filtering component passes through bolt fixed connection in the outside of ventilation groove, and the storage tank one is seted up to the lower surface of cap peak simultaneously, and the upper end of guard plate one is through bearing swing joint in storage tank one, filtering component comprises fixed network, active carbon layer, water absorption resin layer and pure cotton layer, and one side fixed connection pure cotton layer that the fixed network is close to the ventilation groove, the outside fixed connection water absorption resin layer on pure cotton layer, the outside fixed connection active carbon layer on water absorption resin layer. According to the utility model, through the matching of the filter assembly, the contraction cloth and the elastic rope, the safety helmet has certain tightness, and meanwhile, the smooth breathing of workers can be ensured, and the inhaled air can be filtered correspondingly.

Description

Safety helmet with gas filtering function

Technical Field

The utility model relates to the technical field of safety protection devices, in particular to a safety helmet with a gas filtering function.

Background

Among the labor protective articles equipped by underground workers of the coal mine, a safety helmet, a dust mask and protective clothing are necessary protective articles. The mining safety helmet and the dust mask are the most important and are also labor protection articles for forced wearing. A large amount of dust is generated during tunneling and working face mining, and the dust mask can be worn to effectively reduce the dust in the air from entering human respiratory organs, so that the life safety is protected; when the staff carries out tunneling and mining operation, often because the characteristics that ordinary dust mask is bulky, the quality is heavy, dustproof effect is unobvious influence normal operation and remove the dust mask, lead to the dust to get into human respiratory, cause the damage to miner's health, cause diseases such as pneumoconiosis seriously influence life health.

Through searching, the safety protection device for geological survey disclosed in the prior art (application number: CN201920485216. X) records that 'the periphery of the bottom end of a cap peak is adhered with a connecting edge, the bottom end of the connecting edge is provided with a pull belt, a zipper is arranged on the pull belt, a protection curtain is arranged below the pull belt, a transparent curtain is arranged on one side wall of the protection curtain, a buffer rod is adhered on the inner wall of a cap shell, the bottom end of the buffer rod is provided with an inner cover, the lower end of the inner cover is provided with a sponge cushion, the lower part of the buffer rod is provided with a fixed rod, a groove is formed in the fixed rod, a telescopic spring is arranged in the groove, and the top end of the telescopic spring is provided with a movable rod'; this safety device is through setting up protection curtain and translucent cover for the device can be simultaneously for human head, eye, oral area, ear and face carry out effectual protection when the sand blown by the wind weather, makes the device protect more comprehensive, but the device when in actual use, the lower extreme of protection curtain lacks corresponding seal structure, makes the dust can be inhaled by the workman through the air current of flowing, and when carrying out corresponding seal treatment with protection curtain lower extreme, can influence workman's breathing because of the air impermeability of protection curtain again.

Disclosure of Invention

In order to overcome the defects in the prior art, a safety helmet with a gas filtering function is provided to solve the problems in the prior art.

To achieve the above object, there is provided a safety helmet having a gas filtering function, comprising: the cap shell and filtering component, the lower extreme on cap shell surface is offered and is run through the groove, and cap shell surface fixed connection's cap peak is located the top of running through the groove, and cap shell lower surface fixed connection shrink cloth, simultaneously the last fixed surface connection lighting component of cap peak, the inslot fixed connection diaphragm that runs through that the cap shell was offered runs through the groove and divide into observation groove and ventilation slot through the diaphragm, and filtering component passes through bolt fixed connection in the outside of ventilation slot, simultaneously the lower surface of cap peak is offered and is accomodate groove one, the upper end of guard plate one is through bearing swing joint in accomodate groove one, and the top fixed connection laminating layer one in the cap shell, the lower extreme fixed connection laminating layer two in the cap shell, filtering component comprises fixed network, active carbon layer, water absorbent resin layer and pure cotton layer, and one side fixed connection pure cotton layer that the fixed network is close to the ventilation slot, the outside fixed connection active carbon layer on water absorbent resin layer, the lower extreme of shrink cloth sets up recess one simultaneously, bungee rope swing joint is in recess one.

Preferably, the filter component is wholly rectangular, the size of the filter component is greater than the size of the ventilation groove, two groups of fixing plates are symmetrically connected at two ends of the filter component, the filter component and the fixing plates are combined together to form a convex structure, meanwhile, the bolts penetrate through the fixing plate and are screwed with the cap shell, a reinforcing plate is arranged between the bolts and the fixing plates, and the reinforcing plate is rectangular.

Preferably, the water-absorbent resin layer is close to the parallel equidistant multiunit bulge that sets up of one side of pure cotton layer, and the bulge is isosceles trapezoid structure, and the horizontal cross-section that water-absorbent resin layer and bulge are combined together constitutes and is E shape structure, and the recess is seted up to the position correspondence of pure cotton layer relative bulge simultaneously.

Preferably, the diaphragm is rectangle structure, and one side fixed connection division board in the diaphragm is close to the cap shell, and the cross-section of division board is fan annular structure, and the laminating layer of fixed connection is hemispherical structure in the cap shell, and the horizontal cross-section of laminating layer two is C shape structure.

Preferably, the one end that is close to the cap shell of cap peak lower surface is offered and is accomodate groove one, accomodates groove one and is rectangle structure, and four sets of spouts one are offered to cap peak lower surface bilateral symmetry, and slider one passes through spring sliding connection in spout one, and spout one and slider one's cross-section all are the dovetailed structure simultaneously.

Preferably, the lower surface of the first sliding block is fixedly connected with the first limiting plate, the limiting plates are divided into two groups, the surfaces of the first limiting plates of each group are respectively and fixedly connected with the first sliding block, the section of the first limiting plate is of an L-shaped structure, and a weight reducing groove is formed in the first limiting plate.

Preferably, the buffer tank is offered at the top of cap shell, and the buffer tank is spherical structure, and equidistant fixed connection multiunit buffer board in the buffer tank, and the cross-section of buffer board is the inverted V shape structure, and fixed connection buffer layer in the buffer tank simultaneously, the recess is offered to the position correspondence of buffer layer lower surface relative buffer board.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of cap shell, guard plate one, filter component, shrink cloth and bungee cord for this safety helmet possesses certain sealed effect, avoids external air current directly to be inhaled by the workman, and the cooperation of filter component and ventilation groove makes the workman can normally breathe moreover, and the active carbon layer in the filter component has good adsorptivity, can absorb some poisonous gas and impurity in the gas, and the water vapor in the gas can be absorbed on the water absorbent resin layer, preliminary purification is carried out to the gas, and the setting on pure cotton layer can assist the moisture in the absorption workman exhaling gas, makes moist pure cotton layer can absorb the poisonous gas of easy dissolve in the gas, and can carry out secondary filtration to the dust in the gas, thereby ensure workman's respiratory safety.

Drawings

FIG. 1 is a schematic side view of an embodiment of the present utility model.

Fig. 2 is a schematic front view of an embodiment of the present utility model.

Fig. 3 is a schematic top view of an embodiment of the present utility model.

Fig. 4 is an enlarged schematic view at a of fig. 2 according to an embodiment of the present utility model.

In the figure: 1. a cap shell; 2. laminating the first layer; 3. a second bonding layer; 4. shrink cloth; 5. an elastic rope; 6. a vent groove; 7. a filter assembly; 8. a fixed net; 9. an activated carbon layer; 10. a water-absorbent resin layer; 11. a pure cotton layer; 12. a cross plate; 13. an observation groove; 14. a first protection plate; 15. hat brim; 16. a first storage groove; 17. a lighting assembly; 18. a first limiting plate; 19. a first sliding block; 20. a buffer layer; 21. a buffer plate; 22. and a reinforcing plate.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a safety helmet having a gas filtering function, comprising: the utility model provides a cap shell 1 and filter component 7, runs through the groove, and cap shell 1 fixed surface's cap peak 15 is located the top of running through the groove, and cap shell 1 lower surface fixed connection shrink cloth 4, and the last fixed surface of cap peak 15 connects lighting assembly 17 simultaneously, the inslot fixed connection diaphragm 12 that cap shell 1 was seted up runs through, runs through the groove and divide into observation groove 13 and ventilation groove 6 through diaphragm 12, and filter component 7 passes through bolt fixed connection in the outside of ventilation groove 6, simultaneously the lower surface of cap peak 15 sets up accomodates groove one 16, the upper end of guard plate one 14 passes through bearing swing joint in accomodating groove one 16, and the top fixed connection laminating layer one 2 in the cap shell 1, the lower extreme fixed connection laminating layer two 3 in the cap shell 1, filter component 7 comprises fixed network 8, active carbon layer 9, water-absorbent resin layer 10 and pure cotton layer 11, and one side fixed connection pure cotton layer 11 that fixed network 8 is close to ventilation groove 6, the outside fixed connection resin layer 10 of pure cotton layer 11, the outside fixed connection resin layer 10 is connected with active carbon layer 10, the outside fixed connection shrink rope one side of water-absorbent resin layer 4 is seted up at the recess one side, simultaneously, the active rope one side is seted up at the inside groove one side of the active rope.

In this embodiment, after the worker wears the safety helmet on his head, the elastic rope 5 is pulled, the elastic rope 5 is limited by the adjusting buckle, so that the lower end of the contraction cloth 4 contracts and fits the neck of the worker, and the first limiting plate 18 is pushed, so that the first limiting plate 18 pushes the first sliding block 19 to press the spring, then the limitation of the first limiting plate 18 to the first protecting plate 14 is released, the first protecting plate 14 rotates under the action of gravity, so that the lower end of the first protecting plate 14 fits the surface of the transverse plate 12, the first limiting plate 18 is released, the first limiting plate 18 and the first sliding block 19 reset under the action of the spring, then the first limiting plate 18 limits the rotation of the first protecting plate 14 again, when the worker breathes, the gas exhaled by the worker flows out through the filtering component 7, the moisture carried in the gas is absorbed by the pure cotton layer 11, and when the moisture content in the pure cotton layer 11 is large, the water-absorbent resin layer 10 can absorb the moisture in the pure cotton layer 11, ensure that the pure cotton layer 11 contains proper amount of moisture, and the division board that diaphragm 12 connects can effectively reduce the probability that the first 14 of guard plate appears water smoke, external air current can flow through active carbon layer 9 simultaneously, water-absorbent resin layer 10 and pure cotton layer 11 in proper order, wherein active carbon layer 9 adsorbs some poisonous gas and some impurity in the gas, water-absorbent resin layer 10 then can absorb the moisture in the gas, and moist pure cotton layer 11 can absorb the poisonous gas of easy dissolving in the gas, and carry out secondary filtration to the dust impurity in the gas, thereby ensure workman's breathing structure, when needing to change filter module 7, only need remove bolt and gusset plate 22, can accomplish the change of filter module 7 fast, and lighting module 17 can provide corresponding illumination under the environment that light is dim.

As a preferred embodiment, the filter component 7 is in a rectangular structure as a whole, the size of the filter component 7 is larger than that of the ventilation groove 6, two groups of fixing plates are symmetrically connected to two ends of the filter component 7, the filter component 7 and the fixing plates are combined to form a convex structure, meanwhile, bolts penetrate through the fixing plates to be screwed with the cap shell 1, reinforcing plates 22 are arranged between the bolts and the fixing plates, and the reinforcing plates 22 are in a rectangular structure.

In this embodiment, as shown in fig. 1 and 2, the size of the filter assembly 7 is greater than the size of the vent groove 6, so that the filter assembly 7 can better fit the vent groove 6, the tightness of the joint between the filter assembly 7 and the vent groove 6 is enhanced, and the fixing effect of the filter assembly 7 can be enhanced by the aid of the reinforcing plate 22.

As a preferred embodiment, a plurality of groups of protruding parts are arranged at equal intervals in parallel on one side of the water-absorbent resin layer 10 close to the pure cotton layer 11, the protruding parts are in an isosceles trapezoid structure, the horizontal section formed by combining the water-absorbent resin layer 10 and the protruding parts is in an E-shaped structure, and meanwhile, grooves are correspondingly formed in the position of the pure cotton layer 11 relative to the protruding parts.

In this embodiment, as shown in fig. 3, the contact area between the water-absorbent resin layer 10 and the pure cotton layer 11 can be effectively increased by the arrangement of the protruding portion, so that the problem of dripping caused by too high moisture content of the pure cotton layer 11 can be avoided, and the pure cotton layer 11 is ensured to be in a proper humidity range.

As a preferred embodiment, the cross plate 12 is in a rectangular structure, one side of the cross plate 12 close to the inside of the cap shell 1 is fixedly connected with the partition plate, the section of the partition plate is in a fan-shaped annular structure, the first lamination layer 2 fixedly connected in the cap shell 1 is in a hemispherical structure, and the horizontal section of the second lamination layer 3 is in a C-shaped structure.

In this embodiment, like fig. 1, the division board adopts the silica gel material, and the inner chamber of seting up in the division board can strengthen self elasticity moreover, is convenient for then assist reinforcing division board and the facial laminating degree of workman to reduce the probability that the water smoke appears in the first 14 of guard plate, laminating layer one 2 and laminating layer two 3 all adopt the environmental protection sponge moreover, make cap shell 1 inside can laminate workman's head more, and can play corresponding cushioning effect for workman's head when receiving the striking.

As a preferred embodiment, the lower surface of the cap peak 15 is provided with a first storage groove 16 near one end of the cap shell 1, the first storage groove 16 is in a rectangular structure, two sides of the lower surface of the cap peak 15 are symmetrically provided with four groups of first sliding grooves, the first sliding block 19 is slidably connected in the first sliding grooves through springs, and meanwhile, the sections of the first sliding grooves and the first sliding block 19 are in dovetail structures.

In this embodiment, as shown in fig. 1 and 2, the first slider 19 and the first sliding slot are adapted in size, so that the stability of the first slider 19 during movement can be enhanced, and the first storage slot 16 is configured, so that the first protection plate 14 can be correspondingly stored when not in use, and the first protection plate 14 is made of a transparent material, so that the normal vision of a worker can be ensured.

As a preferred embodiment, the lower surface of the first slide block 19 is fixedly connected with the first limiting plate 18, the first limiting plates 18 are divided into two groups, the surfaces of the first limiting plates 18 of each group are respectively and fixedly connected with the first slide block 19 of the second group, the section of the first limiting plate 18 is in an L-shaped structure, and a weight reducing groove is formed in the first limiting plate 18.

In this embodiment, as shown in fig. 1 and 4, the weight-reducing groove formed in the first limiting plate 18 can ensure that the first sliding block 19 and the first limiting plate 18 can be smoothly pushed by the spring to reset, and the first limiting plate 18 is symmetrically connected with the first sliding block 19, so that the stability of the first limiting plate 18 during movement can be effectively enhanced, and the two sides of the first limiting plate 18 respectively protect the first protecting plate 14 from being attached and unfolded and stored, so that the stability of the first protecting plate 14 during unfolding and storage can be enhanced.

As a preferred embodiment, the top of the cap shell 1 is provided with a buffer groove, the buffer groove is in a spherical structure, a plurality of groups of buffer plates 21 are fixedly connected in the buffer groove at equal intervals, the cross section of each buffer plate 21 is in a inverted V-shaped structure, meanwhile, the buffer layer 20 is fixedly connected in the buffer groove, and the lower surface of the buffer layer 20 is correspondingly provided with a groove at the position corresponding to the buffer plate 21.

In this embodiment, as shown in fig. 1 and fig. 2, the buffer groove is formed, so that when the impact force is too large, the top of the cap shell 1 can be broken by itself to reduce the impact force, and the buffer layer 20 and the buffer plate 21 are arranged, so that the upper stress limit of the cap shell 1 can be effectively improved, and the impact force borne by the cap shell 1 can be correspondingly weakened, so that the safety of the head of a worker is ensured, and the buffer plate 21 can correspondingly weaken the impact force by deforming by itself or extruding the buffer layer 20, so that the overall protection effect of the safety protection cap is enhanced.

According to the safety helmet with the gas filtering function, through the matching of the filtering component 7, the shrinkage cloth 4 and the elastic rope 5, the safety helmet has certain tightness, meanwhile, smooth breathing of workers can be ensured, the inhaled air can be correspondingly filtered, and meanwhile, the anti-collision effect of the safety helmet can be effectively enhanced through the matching of the helmet shell 1, the buffer layer 20, the buffer plate 21, the first attaching layer 2 and the second attaching layer 3.

Claims (7)

1. A safety helmet with gas filtering function, comprising: the utility model provides a cap shell (1) and filter component (7), runs through the groove is offered to the lower extreme on cap shell (1) surface, and cap shell (1) fixed surface connection's brim of a hat (15) are located the top that runs through the groove, and cap shell (1) lower surface fixed connection shrink cloth (4), and the last fixed surface of brim of a hat (15) connects lighting assembly (17), its characterized in that simultaneously: the utility model is characterized in that a transverse plate (12) is fixedly connected in a penetrating groove formed in the cap shell (1), the penetrating groove is divided into an observation groove (13) and an air vent groove (6) through the transverse plate (12), the filter component (7) is fixedly connected to the outer side of the air vent groove (6) through bolts, meanwhile, a storage groove I (16) is formed in the lower surface of the cap peak (15), the upper end of the protection plate I (14) is movably connected in the storage groove I (16) through a bearing, the top in the cap shell (1) is fixedly connected with a lamination layer I (2), the lower end in the cap shell (1) is fixedly connected with a lamination layer II (3), the filter component (7) is composed of a fixed net (8), an active carbon layer (9), a water-absorbing resin layer (10) and a pure cotton layer (11), one side, close to the ventilation groove (6), of the fixed net (8) is fixedly connected with the pure cotton layer (11), the outer side of the pure cotton layer (11) is fixedly connected with the water-absorbing resin layer (10), the outer side of the water-absorbing resin layer (10) is fixedly connected with the active carbon layer (9), meanwhile, the lower end of the shrinkage cloth (4) is provided with a groove I, and the elastic rope (5) is movably connected in the groove I.

2. The safety helmet with the gas filtering function according to claim 1, wherein the filter assembly (7) is of a rectangular structure as a whole, the size of the filter assembly (7) is larger than that of the ventilation groove (6), two groups of fixing plates are symmetrically connected to two ends of the filter assembly (7), the filter assembly (7) and the fixing plates are combined to form a convex structure, meanwhile, a bolt penetrates through the fixing plate and is in threaded connection with the helmet shell (1), a reinforcing plate (22) is arranged between the bolt and the fixing plate, and the reinforcing plate (22) is of a rectangular structure.

3. The safety helmet with the gas filtering function according to claim 1, wherein a plurality of groups of protruding parts are arranged on one side of the water-absorbent resin layer (10) close to the pure cotton layer (11) at equal intervals in parallel, the protruding parts are of an isosceles trapezoid structure, a horizontal section formed by combining the water-absorbent resin layer (10) and the protruding parts is of an E-shaped structure, and meanwhile grooves are correspondingly formed in the position of the pure cotton layer (11) relative to the protruding parts.

4. The safety helmet with the gas filtering function according to claim 1, wherein the transverse plate (12) is of a rectangular structure, one side, close to the inside of the helmet shell (1), of the transverse plate (12) is fixedly connected with the partition plate, the section of the partition plate is of a fan-shaped annular structure, the attaching layer I (2) fixedly connected with the inside of the helmet shell (1) is of a hemispherical structure, and the horizontal section of the attaching layer II (3) is of a C-shaped structure.

5. The safety helmet with the gas filtering function according to claim 1, wherein a containing groove I (16) is formed in one end, close to the helmet shell (1), of the lower surface of the helmet peak (15), the containing groove I (16) is of a rectangular structure, four groups of sliding grooves I are symmetrically formed in two sides of the lower surface of the helmet peak (15), a sliding block I (19) is slidably connected in the sliding groove I through a spring, and meanwhile, sections of the sliding groove I and the sliding block I (19) are of dovetail structures.

6. The safety helmet with the gas filtering function according to claim 5, wherein the lower surface of the first sliding block (19) is fixedly connected with the first limiting plate (18), the first limiting plates (18) are divided into two groups, the surfaces of the first limiting plates (18) of each group are respectively and fixedly connected with the first sliding block (19) of the two groups, the section of the first limiting plate (18) is in an L-shaped structure, and a weight reduction groove is formed in the first limiting plate (18).

7. The safety helmet with the gas filtering function according to claim 1, wherein the top of the helmet shell (1) is provided with a buffer groove, the buffer groove is of a spherical structure, a plurality of groups of buffer plates (21) are fixedly connected in the buffer groove at equal intervals, the section of each buffer plate (21) is of a inverted V-shaped structure, meanwhile, the buffer layer (20) is fixedly connected in the buffer groove, and grooves are correspondingly formed in the lower surface of each buffer layer (20) relative to the buffer plate (21).