Safety helmet with multiple adjusting structures

Abstract

The utility model relates to the technical field of safety helmets, and discloses a safety helmet with multiple adjusting structures, which comprises a helmet body, the inner wall of the helmet body is fixedly connected with a plurality of connecting blocks, the exteriors of the plurality of connecting blocks are fixedly connected with an inner-layer protective ring, the bottom of the inner-layer protective ring is fixedly connected with two side surface connecting belts, and the side surface connecting belts are fixedly connected with the inner-layer protective ring. The side face connecting belts are sleeved with lower jaw connecting belts, the two lower jaw connecting belts are sleeved with sliding buttons, belt penetrating cavities are formed in the sliding buttons, two spring grooves are formed in each sliding button, a first sliding block is slidably connected into each sliding button, and a second sliding block is slidably connected into each sliding button. A tooth pressing plate is fixedly connected to one side of the outer portion of the first sliding block. According to the utility model, the sliding block is controlled to slide in the sliding button, so that the tooth pressure plate at the bottom of the sliding block can adjust and fix the lower jaw connecting band penetrating through the interior of the sliding button, and a gear mechanism is adopted on the rear side to adjust the rear neck of a user.

Description

Technical Field

[0001] The utility model relates to the technical field of safety helmets, in particular to a safety helmet with a multiple adjustment structure. Background Art

[0002] A hard hat is a piece of personal protective equipment used to protect the head. It is usually made of strong and wear-resistant materials (such as plastic, fiberglass, carbon fiber or metal), and usually has padding or cushioning materials inside to reduce the damage to the head when it is subjected to external impact. Hard hats are mainly used in industry, construction, sports and some specific activities such as motorcycles, bicycles, skiing, etc. to provide head protection and reduce the degree of injury in the event of an accident.

[0003] In the prior art, some devices use a pull ring to fix the connecting belt at the bottom of the helmet. However, during use, the connecting belt is prone to loosening, so that the bound connecting belt cannot fix the user's head, which can easily cause safety accidents. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a safety helmet with a multiple adjustment structure, aiming to improve the problem that some devices are not stable and convenient in adjustment.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A safety helmet with a multiple adjustment structure comprises a cap body, a plurality of connecting blocks are fixedly connected to the inner wall of the cap body, an inner protective ring is fixedly connected to the outside of the plurality of connecting blocks, two side connecting straps are fixedly connected to the bottom of the inner protective ring, a chin connecting strap is sleeved on the outside of the side connecting straps, a sliding button is sleeved on the outside of the two chin connecting straps, a strap threading chamber is provided on the sliding button, two spring grooves are provided inside the sliding button, a sliding block 1 is slidably connected inside the sliding button, a toothed pressure plate is fixedly connected to the outer side of the sliding block 1, a driving assembly is fixedly connected to the outer side of the sliding block 1, and a reset assembly is provided inside the spring groove.

[0007] Furthermore, the driving assembly includes a limiting plate 1, an outer side of the limiting plate 1 is fixedly connected to the outside of the sliding block 1, and a pull ring is fixedly connected to the outer side of the limiting plate 1.

[0008] Furthermore, the reset assembly includes a spring 1, one end of which is fixedly connected to the inner wall of the sliding button, and the other end of which is fixedly connected to the outside of the limiting plate 1.

[0009] Furthermore, two side protective plates are fixedly connected to the top of the inner protective ring, one of the side protective plates is fixedly connected to an adjustment strip 1 on the outside, and the other side protective plate is fixedly connected to an adjustment strip 2 on the outside, and the outer parts of the adjustment strip 1 and the adjustment strip 2 are provided with an outer shell.

[0010] Furthermore, a gear rod is rotatably connected to the interior of the housing, a luminous knob is fixedly connected to one side of the exterior of the gear rod, and a second limit plate is fixedly connected to the other side of the exterior of the gear rod.

[0011] Furthermore, the outer portion of the gear rod is meshed with the inner wall of the first adjusting clip strip by tooth pressure, and the outer portion of the gear rod is meshed with the inner wall of the second adjusting clip strip by tooth pressure.

[0012] Furthermore, a groove 2 is provided on the top of the cap body, a plurality of springs 2 are arranged inside the groove 2, a heat dissipation protection pad is fixedly connected to the bottom of the plurality of springs 2, one end of the spring 2 is fixedly connected to the outside of the heat dissipation protection pad, and the other end of the spring 2 is fixedly connected to the top of the inner wall of the cap body.

[0013] Furthermore, fixed blocks are fixedly connected to the left and right sides of the outside of the cap body, the fixed block is rotatably connected to a fixed shaft inside, the fixed shaft is rotatably connected to a pawl outside, the fixed block is rotatably connected to a rotating shaft inside, the rotating shaft is fixedly connected to a ratchet outside, and a rotating round block is fixedly connected to one side of the rotating shaft.

[0014] Furthermore, the outside of the rotating circular block is fixedly connected to two elastic connecting rods, the outside of the elastic connecting rod is slidably connected to a sliding block 2, and the adjacent sides of the two sliding blocks 2 are fixedly connected to a protective cover.

[0015] Furthermore, a plurality of snap-fit ​​blocks are detachably connected to the inner wall of the cap body, a portion of a fastening connecting belt is fixedly connected to the outside of the snap-fit ​​block, and the other portion is fixedly connected to the outside of the side protective plate.

[0016] The utility model has the following beneficial effects:

[0017] 1. In the utility model, the control sliding block slides inside the sliding button, so that the toothed pressure plate at the bottom of the sliding block can adjust and fix the chin connecting belt passing through the inside of the sliding button, and the gear mechanism is used at the rear side to adjust the back neck of the user.

[0018] 2. In the present invention, a groove 2 is provided at the top of the inner wall of the cap body, and a plurality of springs 2 are placed inside the groove, so that the heat dissipation protection pad in contact with the outside can fit closely to the user's head, thereby providing a certain degree of protection to the user when subjected to impact force.

[0019] 3. In the utility model, the rotating round block can rotate inside the fixed block through the ratchet pawl, so that the protective cover can be freely unfolded and retracted under the drive of the connecting structure, thereby providing safety protection for both sides of the worker's head. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of a safety helmet with a multiple adjustment structure proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the elastic connecting rod structure of the safety helmet with a multiple adjustment structure proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the inner protective ring of the safety helmet with a multiple adjustment structure proposed by the utility model;

[0023] Figure 4 This is a schematic diagram of the cap body structure of the safety helmet with multiple adjustment structures proposed by the utility model;

[0024] Figure 5 This is a schematic diagram of the second structure of the adjustment clip strip of the helmet with multiple adjustment structures proposed by the utility model;

[0025] Figure 6 This is a cross-sectional view of the sliding button structure of the safety helmet with a multiple adjustment structure proposed by the utility model.

[0026] Legend:

[0027] 1. Cap body; 2. Connecting block; 3. Inner protective ring; 4. Side connecting belt; 5. Lower jaw connecting belt; 6. Sliding button; 7. Belt threading chamber; 8. Spring groove; 9. Sliding block 1; 10. Tooth pressure plate; 11. Limiting plate 1; 12. Pull ring; 13. Spring 1; 14. Side protective plate; 15. Adjustment card strip 1; 16. Adjustment card strip 2; 17. Shell; 18. Tooth rod; 19. Luminous knob; 20. Limiting plate 2; 21. Groove 2; 22. Spring 2; 23. Heat dissipation protection pad; 24. Fixed block; 25. Fixed shaft; 26. Ratchet; 27. Rotating shaft; 28. Ratchet; 29. ​​Rotating round block; 30. Elastic connecting rod; 31. Sliding block 2; 32. Protective cover; 33. Engaging block; 34. Fastening connecting belt. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1 , Figure 3 , Figure 6 The utility model provides an embodiment: a safety helmet with a multiple adjustment structure, including a cap body 1, which is the main part of the safety helmet and is used to protect the wearer's head from external impact and other dangerous factors. The inner wall of the cap body 1 is fixedly connected with a plurality of connecting blocks 2, and the outer parts of the plurality of connecting blocks 2 are fixedly connected with an inner protective ring 3 to enhance the structural strength and safety of the cap body 1 and provide preliminary protection for the head. The bottom of the inner protective ring 3 is fixedly connected with two side connecting straps 4, and the outer part of the side connecting straps 4 is provided with a chin connecting strap 5 for fixing and adjusting the position of the safety helmet to ensure that the safety helmet fits the wearer's head firmly. The outer parts of the two chin connecting straps 5 are provided with sliding buttons 6, and the sliding button 6 is provided with a strap-threading chamber 7. The interior of the sliding button 6 is provided with two spring grooves 8. The interior of the sliding button 6 The sliding connection is provided with a sliding block 9, and a tooth pressure plate 10 is fixedly connected to the outer side of the sliding block 9. The sliding button 6 allows the tightness and position of the chin connecting belt 5 to be adjusted, and the precise adjustment function is achieved through the internal spring groove 8 and the sliding block 9. The outer side of the sliding block 9 is fixedly connected with a driving component, and the driving component includes a limit plate 11, and the outer side of the limit plate 11 is fixedly connected to the outside of the sliding block 9. The outer side of the limit plate 11 is fixedly connected to the pull ring 12. A reset component is arranged inside the spring groove 8 to ensure that the sliding button 6 can return to the initial position after adjustment to maintain the adjustability and stability of the safety helmet. The reset component includes a spring 13, one end of the spring 13 is fixedly connected to the inner wall of the sliding button 6, and the other end of the spring 13 is fixedly connected to the outside of the limit plate 11.

[0030] Reference Figure 1 , Figure 5Two side protective plates 14 are fixedly connected to the top of the inner protective ring 3, wherein an adjusting clip 15 is fixedly connected to the outside of one of the side protective plates 14, wherein an adjusting clip 2 16 is fixedly connected to the outside of the other side protective plate 14, and an outer shell 17 is provided on the outer sides of the adjusting clip 15 and the adjusting clip 2 16, and a gear rod 18 is rotatably connected to the inside of the outer shell 17, and a luminous knob 19 is fixedly connected to the outer side of the gear rod 18 to adapt to different head shapes and wearing requirements while providing additional comfort and safety, and a limiting plate 2 20 is fixedly connected to the other side of the outer side of the gear rod 18, and the outer side of the gear rod 18 is meshed with the inner wall tooth pressure of the adjusting clip 15, and the outer side of the gear rod 18 is meshed with the inner wall tooth pressure of the adjusting clip 2 16.

[0031] Reference Figure 1 , Figure 4 A groove 21 is provided at the top of the cap body 1, and a plurality of springs 22 are arranged inside the groove 21 to provide additional cushioning and shock absorption effects and enhance the comfort and safety of the wearer. A heat dissipation protection pad 23 is fixedly connected to the bottom of the plurality of springs 22, one end of the spring 22 is fixedly connected to the outside of the heat dissipation protection pad 23, and the other end of the spring 22 is fixedly connected to the top of the inner wall of the cap body 1.

[0032] Reference Figure 1 , Figure 2 The left and right sides of the outside of the cap body 1 are fixedly connected with fixed blocks 24, the inside of the fixed block 24 is rotatably connected with a fixed shaft 25, the outside of the fixed shaft 25 is rotatably connected with a pawl 26, the inside of the fixed block 24 is rotatably connected with a rotating shaft 27, the outside of the rotating shaft 27 is fixedly connected with a ratchet 28, the outside of the rotating shaft 27 is fixedly connected with a rotating round block 29, the outside of the rotating round block 29 is fixedly connected with two elastic connecting rods 30, the outside of the elastic connecting rod 30 is slidably connected with a sliding block 21, and the adjacent side of the two sliding blocks 21 is fixedly connected with a protective cover 32, the inner wall of the cap body 1 is detachably connected with a plurality of snap-fit ​​blocks 33, the outside of the snap-fit ​​block 33 is fixedly connected with a part of a fastening connecting belt 34, and the other part is fixedly connected to the outside of the side protective plate 14.

[0033] Compared with some devices in the prior art, the above content controls the sliding block to slide inside the sliding button 6, so that the toothed pressure plate 10 at the bottom of the sliding block can adjust and fix the chin connecting belt 5 passing through the sliding button 6, and a gear mechanism is used on the back side to adjust the back neck of the user.

[0034] Working principle: First, the wearer puts the helmet on his head, with the cap body 1 as the main part, and multiple connecting blocks 2 are fixed inside, and these connecting blocks 2 are connected to the inner protective ring 3. The inner protective ring 3 enhances the structural strength of the cap body 1.

[0035] In order to ensure a secure fit of the helmet, the two sides of the helmet body 1 are connected to the chin strap 5 through the side straps 4. The chin strap 5 is adjusted by the sliding button 6, and the sliding button 6 is provided with a strap-threading chamber 7 and a sliding block 9 inside, the latter interacting with the chin strap 5 through a toothed pressure plate 10 to achieve adjustment. The adjustment mechanism of the sliding button 6 includes a spring groove 8 and a limit plate 11, the latter being connected with a pull ring 12 for manually adjusting the tightness of the chin strap 5. The reset assembly ensures that the sliding button 6 can automatically return to the initial position after adjustment.

[0036] The top and side of the cap body 1 are further provided with side protection plates 14, which are equipped with adjustment clips 15 and 16, which are adjusted by the gear rod 18 and the luminous knob 19 in the shell 17, so that the helmet can adapt to different head shapes and sizes. The other side of the gear rod 18 is fixed with a limit plate 20. In order to improve wearing comfort and safety, the top of the cap body 1 is provided with a groove 21, and multiple springs 22 and a heat dissipation protection pad 23 are installed inside.

[0037] In addition, the cap body 1 is fixed with fixed blocks 24 on the left and right sides, and the internal rotation is connected with a fixed shaft 25 and a ratchet 26, as well as a rotating shaft 27 and a ratchet 28. This mechanism allows further adjustment and fixation to ensure that the helmet can remain stable during intense exercise. The rotating round block 29 is connected to the protective cover 32 through an elastic connecting rod 30 and a sliding block 2 31.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety helmet with a multiple adjustment structure, comprising a helmet body (1), characterized in that: The inner wall of the cap body (1) is fixedly connected with a plurality of connection blocks (2), the outer sides of the plurality of connection blocks (2) are fixedly connected with an inner protective ring (3), the bottom of the inner protective ring (3) is fixedly connected with two side connection belts (4), the outer sides of the side connection belts (4) are sleeved with a lower jaw connection belt (5), the outer sides of the two lower jaw connection belts (5) are sleeved with a sliding button (6), the sliding button (6) is provided with a belt threading chamber (7), the interior of the sliding button (6) is provided with two spring grooves (8), the interior of the sliding button (6) is slidably connected with a sliding block 1 (9), the outer side of the sliding block 1 (9) is fixedly connected with a tooth pressure plate (10), the outer side of the sliding block 1 (9) is fixedly connected with a driving component, and the interior of the spring groove (8) is provided with a reset component.

2. The helmet with multiple adjustment structures according to claim 1, characterized in that: The driving assembly comprises a limit plate 1 (11), an outer side of the limit plate 1 (11) is fixedly connected to the outside of the sliding block 1 (9), and a pull ring (12) is fixedly connected to the outer side of the limit plate 1 (11).

3. The helmet with multiple adjustment structures according to claim 1, characterized in that: The reset assembly comprises a spring 1 (13), one end of the spring 1 (13) being fixedly connected to the inner wall of the sliding button (6), and the other end of the spring 1 (13) being fixedly connected to the outside of the limiting plate 1 (11).

4. The helmet with a multi-adjustable structure according to claim 1, characterized in that: The top of the inner protective ring (3) is fixedly connected to two side protective plates (14), one of the side protective plates (14) is fixedly connected to an adjustment clip strip 1 (15) on the outside, and the other side protective plate (14) is fixedly connected to an adjustment clip strip 2 (16) on the outside, and the adjustment clip strip 1 (15) and the adjustment clip strip 2 (16) are externally sheathed with an outer shell (17).

5. The helmet with multiple adjustment structures according to claim 4, characterized in that: A gear rod (18) is rotatably connected to the interior of the housing (17), a luminous knob (19) is fixedly connected to one side of the exterior of the gear rod (18), and a second limit plate (20) is fixedly connected to the other side of the exterior of the gear rod (18).

6. The helmet with multiple adjustment structure according to claim 5, characterized in that: The outer portion of the gear rod (18) is meshedly connected with the inner wall of the first adjusting clip strip (15) by a tooth pressure, and the outer portion of the gear rod (18) is meshedly connected with the inner wall of the second adjusting clip strip (16) by a tooth pressure.

7. The helmet with multiple adjustment structures according to claim 1, characterized in that: A second groove (21) is provided at the top of the cap body (1), a plurality of second springs (22) are arranged inside the second groove (21), a heat dissipation protection pad (23) is fixedly connected to the bottom of the plurality of second springs (22), one end of the second spring (22) is fixedly connected to the outside of the heat dissipation protection pad (23), and the other end of the second spring (22) is fixedly connected to the top of the inner wall of the cap body (1).

8. The helmet with multiple adjustment structures according to claim 1, characterized in that: The left and right sides of the exterior of the cap body (1) are both fixedly connected to fixed blocks (24); the interior of the fixed block (24) is rotatably connected to a fixed shaft (25); the exterior of the fixed shaft (25) is rotatably connected to a ratchet (26); the interior of the fixed block (24) is rotatably connected to a rotating shaft (27); the exterior of the rotating shaft (27) is fixedly connected to a ratchet (28); and one side of the exterior of the rotating shaft (27) is fixedly connected to a rotating round block (29).

9. The helmet with multiple adjustment structures according to claim 8, characterized in that: The rotating circular block (29) is fixedly connected to two elastic connecting rods (30) on the outside, the elastic connecting rods (30) are slidably connected to a second sliding block (31) on the outside, and protective covers (32) are fixedly connected to adjacent sides of the two second sliding blocks (31).

10. The helmet with multiple adjustment structures according to claim 4, characterized in that: The inner wall of the cap body (1) is detachably connected to a plurality of snap-fit ​​blocks (33), the outside of the snap-fit ​​blocks (33) is fixedly connected to a portion of a fastening connection belt (34), and the other portion is fixedly connected to the outside of the side protection plate (14).

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