Construction safety helmet

By incorporating a back shell, rim, and airflow channels into the construction safety helmet, combined with elastic materials and ventilation holes, the problem of insufficient protection for the back of the head during low-altitude falls and the design conflict of the airflow channels are solved. This improves wearing comfort and safety, adapts to different head sizes, and extends service life.

CN223667349UActive Publication Date: 2025-12-16CHINA RAILWAY TENTH GRP FOURTH ENG CO LTD +1
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Patent Information

Application Number
CN202520079156.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-16
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing construction safety helmets cannot effectively protect the back of the head when falling from a low altitude, and the design of the airflow channel conflicts with the external connection hole, affecting the protective effect and wearing comfort.

Method used

The helmet features a back shell, rim, and airflow channels to enhance cushioning. It also incorporates an elastic liner and ventilation holes, and a headband with slots and buckles to ensure secure installation. An adjustable chin strap accommodates different head sizes.

Benefits of technology

Effectively reduces the impact on the back of the head during low-altitude falls, improves wearing comfort and safety, prevents rainwater buildup from affecting vision, extends service life, adapts to different head sizes, and provides breathability and cushioning protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of safety helmets, in particular to a construction safety helmet. Comprising a helmet shell and an internal helmet lining, the helmet shell is provided with a surrounding edge and a flow guide groove, the helmet shell extends at the position corresponding to the back side of the head to form a back side helmet shell, and extra protection is provided for the back side of the head. The design of the surrounding edge and the flow guide groove not only plays a buffering role, but also can effectively guide rainwater. A head hoop clamping groove is formed in the inner wall of the helmet shell and matched with the helmet lining in a clamped mode. The arrangement of the cap back hoop and the buffer strip further reduces the impact injury to the afterbrain. And the lower jaw tying belt is matched with the locking buckle, so that the device is suitable for wearers with different head circumferences. The helmet shell is provided with inclined air holes, air permeability is improved, and rainwater is prevented from entering. The construction safety helmet is simple in structure, easy to manufacture and maintain and capable of effectively protecting the afterbrain and reducing impact force borne by the head during low-altitude falling. The safety helmet solves the problems that when an existing safety helmet falls down at a low altitude, protection on the afterbrain is insufficient, and design conflicts of the flow guide grooves exist.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hard hat technical field, specifically, relate to a construction hard hat. BACKGROUND

[0002] In the construction process, high altitude operation is an inevitable link, and the consequent high altitude article falling risk poses a serious threat to the life safety of construction personnel. In order to cope with this risk, construction hard hat emerges as the times require and becomes important protective equipment to protect the head safety of construction personnel.

[0003] Although the construction hard hat plays an important role in the high altitude article falling protection, there is obvious deficiency in the low altitude falling protection. The hat shell of the existing hard hat mainly covers the top of the head, and the protection of the back of the head is relatively weak. When falling in low altitude, the impact force generated by the back of the head landing often leads to serious injury. And the existing construction hard hat is provided with a flow guide groove to cope with the construction in rainy days, but the design of the flow guide groove conflicts with the outer connecting hole, which affects the protection effect and wearing comfort of the hard hat. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a construction hard hat, which can solve the problems that the existing hard hat cannot effectively protect the back of the head from low altitude falling and the design conflict of the flow guide groove.

[0005] According to the utility model of a construction hard hat, it comprises: a hard hat body, the hard hat body comprises a hat shell, and a hard hat lining arranged in the hat shell; the front end of the hat shell is provided with a brim, the two side edges of the hat shell are provided with a surrounding edge, and the two sides of the surrounding edge are symmetrically provided with a flow guide groove extending from the rear end of the hat shell to the brim; the hat shell vertically extends downward at the end of the flow guide groove corresponding to the back of the head to form a back of the head hat shell.

[0006] Through the setting of the back of the head hat shell in the utility model, additional protection is directly provided for the back of the head, the impact force of the back of the head when falling is effectively reduced, and the risk of skull fracture and cerebral hemorrhage is reduced.

[0007] Through the setting of the surrounding edge and the flow guide groove in the utility model, the surrounding edge can play the role of flow guide while serving as a buffer, the problem that rainwater accumulates during construction in rainy days and affects the vision of construction workers is solved, and the comfort and safety of the wearer are improved.

[0008] In the utility model, the inner wall of the hat shell is provided with a headband slot, the hard hat lining comprises a hat lining fixedly installed in the interior of the hat shell, the end of the hat lining is connected with the headband slot through clamping, the upper end outer surface of the hat lining is fixedly installed with a gasket, the lower end outer side of the hat lining is fixedly installed with an annular headband, the annular headband is located on the lower edge inner wall of the hat shell, and the end of the annular headband close to the brim is fixedly installed with a sweat-absorbing band on the outer surface.

[0009] By the head hoop slot and the cap lining card joint cooperation in the utility model, the cap lining is ensured to be stably installed in the cap shell, the wearing stability is improved, the wearing comfort is improved by the lining, and the direct contact pressure between the head and the cap shell is reduced; the sweat absorption belt is arranged to absorb the sweat of the head, keep the head of the wearer dry, and improve the comfort of long-time wearing of workers.

[0010] In the utility model, the end of the head hoop close to the inner wall of the cap shell is provided with a fixed buckle for clamping with the head hoop slot, and the fixed buckle is used for fixing the cap lining in the head hoop slot.

[0011] By the arrangement of the fixed buckle in the utility model, the cap lining is ensured to be fixed in the head hoop slot, the connection stability between the cap lining and the cap shell is enhanced, the cap lining is prevented from sliding or falling off during wearing, the frequent adjustment caused by the loosening of the cap lining is reduced, and the overall service life of the safety helmet is prolonged.

[0012] In the utility model, the end of the ring-shaped head hoop away from the brim is provided with a cap rear hoop extending to the back of the head cap shell, and the cap rear hoop is provided with a buffer belt.

[0013] By the arrangement of the cap rear hoop and the buffer belt in the utility model, additional support and buffer are provided for the back of the head, the instantaneous direct contact of the back of the head with the ground is avoided, the injury of the back of the head when impacted is further reduced, and the arrangement of the cap rear hoop adhering to the head is helpful to fixing the safety helmet and preventing the safety helmet from sliding off during violent movement or low-head operation.

[0014] In the utility model, the lower jaw strap is movably installed at the lower end of one side of the head hoop slot, and the end of the lower jaw strap away from the ring-shaped head hoop is connected through a locking buckle.

[0015] By the cooperation of the lower jaw strap and the locking buckle in the utility model, after the worker wears the safety helmet, the length of the lower jaw strap is adjusted through the locking buckle, so that the safety helmet is ensured to closely adhere to the head, the adjustable design of the lower jaw strap makes the safety helmet suitable for wearers with different head circumferences, and the universality and safety of the safety helmet are improved.

[0016] In the utility model, the top of the cap shell, the upper part of the cap shell on one side of the brim, and the top of the cap shell on the side away from the brim are all provided with a plurality of air holes, and the air holes are obliquely arranged.

[0017] By the arrangement of the air holes in the utility model, the air permeability of the wearer is improved, the hot feeling of the head is reduced, and the comfort is improved. The oblique arrangement of the air holes can prevent rainwater from directly entering the cap through the air holes when the worker works in the rain, keep the cap dry, and the arrangement of the air holes has the functions of shock absorption and impact force dispersion.

[0018] In the utility model, the material of the cap lining is a spring material.

[0019] The cap liner of this invention is made of elastic material, which provides a better fit and comfort, and can also play a certain role in cushioning when subjected to impact.

[0020] In this invention, the back of the head cap is arc-shaped.

[0021] The arc-shaped helmet shell in this invention can better disperse the force when impacted, ensuring that it is not easily dislodged under external force on the back of the head, and effectively disperse the impact force to reduce damage to the back of the head.

[0022] Compared with existing construction safety helmets, this utility model can more effectively protect the back of the head, reduce the impact force on the head when falling from a low altitude, and is easier to dissipate force when subjected to external impact, thus reducing damage to the back of the head. In addition, it has a simple structure and is easy to manufacture and maintain. Attached Figure Description

[0023] Figure 1 This is a diagram of a construction safety helmet.

[0024] Figure 2 This is a side view of a construction safety helmet.

[0025] Figure 3 This is a schematic diagram of the cap shell.

[0026] Figure 4 This is a schematic diagram showing the connection between the helmet liner and the chin strap. Detailed Implementation

[0027] To further understand the content of this utility model, a detailed description of the utility model is provided in conjunction with the embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the utility model.

[0028] Example 1

[0029] like Figures 1-4 As shown, this embodiment provides a construction safety helmet, which includes: a safety helmet body 100, the safety helmet body 100 including a helmet shell 200 and a safety helmet liner 300 disposed inside the helmet shell 200; a brim 210 is provided at the front end of the helmet shell 200, and edging 220 is provided at the outer edges of both sides of the helmet shell 200, and guide grooves 221 extending from the rear end of the helmet shell 200 to the brim 210 are symmetrically provided on both sides of the edging 220; the helmet shell 200 extends vertically downward at the end of the guide groove 221 corresponding to the back of the head to form a back helmet shell 230.

[0030] The hood shell 230 in this embodiment provides additional protection for the back of the head, effectively reducing the impact force on the back of the head when it falls to the ground, and reducing the risk of skull fracture and cerebral hemorrhage.

[0031] Through the setting of the surrounding edge 220 and the flow guide groove 221 in the embodiment, the surrounding edge 220 can play a flow guiding role through the flow guide groove 221 while serving as a buffer, thereby solving the problem of rainwater accumulation during construction in rainy days, affecting the line of sight of construction workers, improving the comfort and safety of wearers.

[0032] In the embodiment, the inner wall of the cap shell 200 is provided with a headband clamping groove 240, and the safety cap lining 300 includes a cap lining 310 fixedly installed in the interior of the cap shell 200, the end of the cap lining 310 is connected in a clamping manner with the headband clamping groove 240, the upper end outer surface of the cap lining 310 is fixedly installed with a gasket 320, and the lower end outer side of the cap lining 310 is fixedly installed with an annular headband 330, which is located on the lower edge inner wall of the cap shell 200, and the outer surface of one end of the annular headband 330 close to the brim 210 is fixedly installed with a sweat-absorbing band 331.

[0033] Through the clamping cooperation of the headband clamping groove 240 and the cap lining 310 in the embodiment, it is ensured that the cap lining 310 is stably installed in the cap shell 200, and the wearing stability is improved; the gasket 320 in the embodiment increases the wearing comfort, and reduces the direct contact pressure between the head and the cap shell 200; and the sweat-absorbing band 331 is arranged to absorb sweat of the head, keep the head of the wearer dry, and improve the comfort of long-time wearing of workers.

[0034] In the embodiment, one end of the annular headband close to the inner wall of the cap shell 200 is provided with a fixed buckle 332 clamped with the headband clamping groove 240, and the fixed buckle 332 is used for fixing the cap lining 310 in the headband clamping groove 240.

[0035] Through the setting of the fixed buckle 332 in the embodiment, when the fixed buckle 332 is clamped into the headband clamping groove 240, the cap lining 310 in the headband clamping groove 240 is fixed in position, so that the cap lining 310 is prevented from falling off, the cap lining 310 is firmly fixed in the headband clamping groove 240, the connection stability between the cap lining 310 and the cap shell 200 is enhanced, the cap lining 310 is prevented from sliding or falling off during wearing, frequent adjustment caused by loosening of the cap lining 310 is reduced, and the overall service life of the safety cap is prolonged.

[0036] In the embodiment, one end of the annular headband 330 away from the brim 210 is provided with a cap rear band 333 extending to the rear of the cap shell 230, and the cap rear band 333 is provided with a buffer band 334.

[0037] Through the setting of the cap rear band 333 and the buffer band 334 in the embodiment, additional support and buffering are provided for the back of the head, direct contact of the back of the head with the ground is avoided, the injury of the back of the head when impacted is further reduced, and the setting of the cap rear band 333 in close contact with the head helps to fix the safety cap and prevent it from falling off during violent movement or low-head operation.

[0038] The lower end of one side of the headband clamping groove 240 is movably installed with a chin strap 250, and the end of the chin strap 250 away from the annular headband 330 is connected through a locking buckle 251.

[0039] Through the cooperation of the chin strap 250 and the locking buckle 251 in this embodiment, after the worker wears the safety helmet, the length of the chin strap 250 is adjusted through the locking buckle 251, so as to ensure that the safety helmet closely fits the head, and the adjustable design of the chin strap 250 makes the safety helmet suitable for wearers with different head circumferences, thereby improving the universality and safety of the safety helmet.

[0040] In this embodiment, the top of the hat shell 200, the upper part of the hat shell 200 on one side of the hat brim 210, and the top of the hat shell 200 on the side away from the hat brim 210 are provided with a plurality of air holes 260, and the air holes 260 are inclined.

[0041] Through the setting of the air holes 260 in this embodiment, the air permeability of the wearer is improved, the hot feeling of the head is reduced, and the comfort is increased. The inclined setting of the air holes 260 can prevent rainwater from directly entering the hat through the air holes 260 when the worker works in the rain, and keep the inside of the hat dry. The setting of the air holes 260 also has the functions of shock absorption and impact force dispersion.

[0042] In this embodiment, the material of the hat lining 310 is elastic material.

[0043] Through the use of elastic material for the hat lining 310 in this embodiment, better fit and comfort are provided, and at the same time, the hat lining 310 can play a certain buffering role when impacted.

[0044] In this embodiment, the back of the head hat shell 230 is arc-shaped.

[0045] Through the setting of the arc-shaped back of the head hat shell 230 in this embodiment, the force can be better dispersed when impacted, so as to ensure that the back of the head is not easy to fall off under the action of external force, and the impact force is effectively dispersed, thereby reducing the damage to the back of the head.

[0046] In use, the safety helmet is placed on a flat ground or workbench, and is tilted 90 degrees from the back of the head to the front, with the brim 210 above the forehead. By adjusting the chin strap 250 of the safety helmet to the size of the head circumference, the head is ensured to be comfortable, and the brim 210 is kept at a distance from the eyebrow arch. The crown is close to the back of the head with the buffer band 334, and the back of the head is ensured to be effectively covered by the back of the head shell 230. The chin strap is tightened to make the safety helmet more stably worn on the head. In the construction process, if a low-altitude fall occurs, the occiput first contacts the ground. Since the buffer band 334 and the arc-shaped back of the head shell 230 are provided with a space therebetween, the buffer band 334 plays a buffering role. When the back of the head is impacted, the occiput first unloads part of the external force, and the back of the head shell 230 first responds to the external impact, so that the occiput is prevented from being in instantaneous direct contact with the ground, the impact force is effectively dispersed, and the occiput is protected from being injured.

[0047] It is easy to understand that, based on one or more embodiments provided in the present application, a person skilled in the art can combine, split, recombine, etc. the embodiments of the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0048] In summary, the above only describes the preferred embodiments of the present application, and any changes and modifications made within the scope of the present application should be included in the scope of the present application.

Claims

1. A construction safety hat comprising a safety hat body (100) characterised in that: The safety helmet body (100) comprises a helmet shell (200) and a safety helmet lining (300) arranged inside the helmet shell (200); the front end of the helmet shell (200) is provided with a brim (210), the two side edges of the helmet shell (200) are provided with a surrounding edge (220), and the two sides of the surrounding edge (220) are symmetrically provided with a flow guide groove (221) extending from the rear end of the helmet shell (200) to the brim (210); the helmet shell (200) vertically extends downward at the end of the flow guide groove (221) corresponding to the occiput to form a rear brain helmet shell (230).

2. A construction safety hat according to claim 1, characterised in that: The inner wall of the helmet shell (200) is provided with a headband clamping groove (240), the safety helmet lining (300) comprises a helmet lining (310) fixedly arranged inside the helmet shell (200), the end of the helmet lining (310) is connected to the headband clamping groove (240) in a clamping mode, the upper end of the helmet lining (310) is fixedly provided with a gasket (320) on the outer surface, the lower end of the helmet lining (310) is fixedly provided with an annular headband (330) on the outer side, the annular headband (330) is arranged on the inner wall of the lower edge of the helmet shell (200), and the end of the annular headband (330) close to the brim (210) is fixedly provided with a sweat-absorbing band (331) on the outer surface.

3. A construction safety hat according to claim 2, characterised in that: The end of the annular headband (330) close to the inner wall of the helmet shell (200) is provided with a fixed buckle (332) clamped with the headband clamping groove (240), and the fixed buckle (332) is used for fixing the helmet lining (310) in the headband clamping groove (240).

4. A construction safety hat according to claim 2, characterised in that: The end of the annular headband (330) away from the brim (210) is provided with a helmet rear headband (333) extending to the rear brain helmet shell (230), and the helmet rear headband (333) is provided with a buffer band (334).

5. A construction safety hat according to claim 2, characterised in that: The lower end of one side of the headband clamping groove (240) is movably provided with a chin strap (250), and the end of the chin strap (250) away from the annular headband (330) is connected through a locking buckle (251).

6. A construction safety hat according to claim 1, characterised in that: The top of the helmet shell (200) is provided with a plurality of air holes (260) on the two sides, the upper part of the helmet shell (200) on one side of the brim (210), and the top of the helmet shell (200) on the side away from the brim (210), and the air holes (260) are arranged in an inclined mode.

7. A construction safety hat according to claim 2, characterised in that: The material of the helmet lining (310) is a spring material.

8. A construction safety hat according to claim 1, characterised in that: The rear brain helmet shell (230) is arc-shaped.