CN213370210U - Safety helmet with adjusting structure - Google Patents
Safety helmet with adjusting structure Download PDFInfo
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- CN213370210U CN213370210U CN202022726783.5U CN202022726783U CN213370210U CN 213370210 U CN213370210 U CN 213370210U CN 202022726783 U CN202022726783 U CN 202022726783U CN 213370210 U CN213370210 U CN 213370210U
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- safety helmet
- bull stick
- fixedly connected
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- main body
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- 244000309464 bull Species 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- Helmets And Other Head Coverings (AREA)
Abstract
The utility model relates to a safety protection technical field specifically is a safety helmet with adjust structure, including the safety helmet main part, interior storehouse has been seted up to the inside of safety helmet main part, and the inside in interior storehouse is provided with the first bull stick of four groups to the one end of first bull stick is all through embedded bearing and interior storehouse inner wall fixed connection, the carousel has all been cup jointed in the outside of first bull stick, the inside in interior storehouse is provided with four groups of second bull sticks, and the one end of second bull stick all passes through bearing bracket and second bull stick inner wall fixed connection, the other end of second bull stick all passes interior storehouse inner wall and extends to interior storehouse outside, the outside one end of interior storehouse is all overlapped and is equipped with the removal cover in arranging in to the second bull stick. The utility model is suitable for a user of head variation in size avoids leading to wearing the problem of not living because of the difference of safety helmet main part size of a dimension and user head circumference is too big, and the easy operation of adjustment size is convenient, and the practicality of device is strong, and the safety protection nature of device further improves.
Description
Technical Field
The utility model relates to a safety protection technical field specifically is a safety helmet with adjust structure.
Background
The safety helmet is a helmet which has a protection effect on injury to the head of a person caused by falling objects and other specific factors, and is widely applied to places such as building construction, production and manufacturing, however, because the safety helmet needs to resist the injury to the head from the outside, the shell of the safety helmet is in an integrated and firm form, the size of the safety helmet is different from that of a cloth helmet, the use comfort level and the wearing size suitability of users with different head and tail sizes cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety helmet with adjust structure to the shell of the safety helmet that provides in solving above-mentioned background adopts integrative and firm form, and what different with the cloth cap is unable its size of adjusting wantonly, to the unable problem of adjusting of the suitable degree of user's use comfort level of different head and the tail size and wearing size.
In order to achieve the above object, the utility model provides a following technical scheme: a safety helmet with an adjusting structure comprises a safety helmet main body, wherein an inner bin is formed in the safety helmet main body, four groups of first rotating rods are arranged in the inner bin, one ends of the first rotating rods are fixedly connected with the inner wall of the inner bin through embedded bearings, turntables are sleeved on the outer sides of the first rotating rods, four groups of second rotating rods are arranged in the inner bin, one ends of the second rotating rods are fixedly connected with the inner wall of the second rotating rods through bearing frames, the other ends of the second rotating rods penetrate through the inner wall of the inner bin and extend to the outer portion of the inner bin, a moving sleeve is sleeved at one end, which is arranged outside the inner bin, of the second rotating rod, a clamping plate is fixedly connected to one side, away from the second rotating rod, of the moving sleeve, a rotating ring is sleeved on the outer side of the safety helmet main body, two ends of the inner surface of the rotating ring are fixedly connected with the surface of the safety helmet main body through embedded bearings, and a handle is fixedly connected to the outer, the outside of safety helmet main part is provided with protection component.
Preferably, the protection assembly comprises two protection covers, wherein the number of the protection covers is two, six sliding grooves are uniformly formed in one side, close to the surface of the helmet main body, of each protection cover, two groups of sliding rods are arranged inside the sliding grooves, one ends of the sliding rods penetrate through the inner wall of each sliding groove and extend to the outside of the protection cover, one ends, arranged outside the sliding grooves, of the sliding rods are hinged and connected with connecting rods, connecting seats are arranged in the middle parts, close to one side of the surface of the helmet main body, of the sliding grooves, and are fixedly connected with the surface of the helmet main body, one ends, close to the connecting seats, of the connecting rods are hinged and connected with the connecting seats, first springs are arranged on one sides, close to the sliding grooves, of the connecting seats, two ends of the first springs are fixedly connected with the middle parts of the two, and one end of the second spring close to the surface of the safety helmet main body is fixedly connected with the safety helmet main body.
Preferably, the one end that first bull stick is close to the second bull stick all fixedly connected with bevel gear, the one end that the second bull stick is close to first bull stick all fixedly connected with bevel gear, first bull stick and second bull stick pass through bevel gear transmission and connect.
Preferably, the outside of carousel all evenly fixedly connected with teeth of a cogwheel, the even fixedly connected with teeth of a cogwheel of internal surface of swivel, the carousel passes through the teeth of a cogwheel with the swivel and meshes mutually.
Preferably, one side of the clamping plate, which is far away from the inner surface of the helmet main body, is fixedly connected with a rubber pad, and friction grains are arranged on the surface of the rubber pad.
Preferably, the surface that conical gear one end was kept away from to the second bull stick is provided with the external screw thread, the surface that removes cover and second bull stick and laminate mutually is provided with the internal thread, the second bull stick passes through helicitic texture fixed connection with the removal cover, the outward appearance that removes the cover is the cuboid form that both sides are the square, the safety helmet main part is square shape with the longitudinal section that removes the cover inner wall of laminating mutually.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is suitable for users with different head sizes, avoids the problem that the user can not wear the helmet due to the fact that the difference between the size of the main body of the helmet and the head circumference of the user is too large, and has simple and convenient operation of size adjustment, strong practicability of the device and further improved safety protection performance;
1. the safety helmet is characterized in that the clamp plates are arranged, a user buckles the safety helmet main body on the top of the head, the handle is shifted to make the handle do circular motion, the rotating ring is driven to rotate, the first rotating rod is made to rotate, the second rotating rod is made to rotate, the four groups of clamp plates move in the direction of gathering or expanding, the clamp plates clamp the head of the user, the safety helmet main body is suitable for users with different head sizes, the safety helmet main body is firmly buckled on the top of the head of the user, the problem that the user cannot wear the safety helmet due to the fact that the size of the safety helmet main body is too large in difference with the head circumference of the user is solved, the size adjusting operation is simple and convenient;
2. be provided with the protection casing, if there is article to fall downwards above the device, article pound when falling on the protection casing, the impact force will make two sets of slide bars in every group spout remove to the direction of keeping away from each other, drive the connecting rod and deflect, make first spring stretched, and the second spring compression simultaneously weakens the impact force to the safety helmet main part under the effect of two kinds of resilience forces, thereby weaken the impact force to user's head, further protect user's personal safety, improve the protection level of device.
Drawings
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;
fig. 3 is a partially enlarged schematic view of the present invention at B in fig. 1;
FIG. 4 is a schematic sectional view of the structure of the present invention from the bottom;
fig. 5 is a partially enlarged schematic view of the point C in fig. 4 according to the present invention.
In the figure: 100. a helmet main body; 110. an inner bin; 120. a first rotating lever; 121. a turntable; 130. a second rotating rod; 131. moving the sleeve; 132. a splint; 140. rotating the ring; 141. a grip; 200. a guard assembly; 210. a protective cover; 211. a chute; 212. a slide bar; 213. a connecting rod; 214. a connecting seat; 215. a first spring; 220. a second spring.
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. 1-5, the present invention provides an embodiment:
a safety helmet with an adjusting structure comprises a safety helmet main body 100, an inner bin 110 is arranged inside the safety helmet main body 100, four groups of first rotating rods 120 are arranged inside the inner bin 110, one ends of the first rotating rods 120 are fixedly connected with the inner wall of the inner bin 110 through embedded bearings, turntables 121 are sleeved outside the first rotating rods 120, four groups of second rotating rods 130 are arranged inside the inner bin 110, one ends of the second rotating rods 130 are fixedly connected with the inner wall of the second rotating rods 130 through bearing frames, the other ends of the second rotating rods 130 penetrate through the inner wall of the inner bin 110 and extend to the outside of the inner bin 110, a moving sleeve 131 is sleeved at one end of the second rotating rods 130, a clamping plate 132 is fixedly connected to one side of the moving sleeve 131 far away from the second rotating rods 130, a rotating ring 140 is sleeved outside the safety helmet main body 100, and two ends of the inner surface of the rotating ring 140 are fixedly connected with the surface of the safety helmet main body 100 through embedded bearings, a grip 141 is fixedly connected to the outer surface of the swivel 140, and a protective assembly 200 is arranged on the outer side of the helmet body 100;
further, the protection assembly 200 includes two protection covers 210, the number of the protection covers 210 is two, six sliding grooves 211 are uniformly formed in one side of the protection cover 210 close to the surface of the helmet main body 100, two sliding rods 212 are disposed inside the sliding grooves 211, one ends of the sliding rods 212 extend to the outside of the protection cover 210 through the inner wall of the sliding grooves 211, one ends of the sliding rods 212 disposed outside the sliding grooves 211 are all hinged to a connecting rod 213, a connecting seat 214 is disposed in the middle of one side of the sliding grooves 211 close to the surface of the helmet main body 100, the connecting seat 214 is all fixedly connected to the surface of the helmet main body 100, one end of the connecting rod 213 close to the connecting seat 214 is all hinged to the connecting seat 214, a first spring 215 is disposed on one side of the connecting seat 214 close to the sliding grooves 211, two ends of the first spring 215 are all fixedly connected to the middle portions of the two connecting rods 213, one side of the protection, one end of the second spring 220, which is close to the surface of the helmet main body 100, is fixedly connected with the helmet main body 100, if an article falls onto the protective cover 210 from high altitude, impact force causes the protective cover 210 to move towards the direction close to the helmet main body 100, so that the second spring 220 is compressed, and meanwhile, two groups of sliding rods 212 in each group of sliding grooves 211 slide and deflect towards the direction away from each other, and drive two groups of connecting rods 213 hinged with each group of connecting seats 214 to deflect towards the opening direction, so that the first spring 215 stretches, and under the action of two resilience forces, the protective cover 210 is supported towards the direction away from the helmet main body 100, so that partial impact force is resisted, and the impact on the head of a user is reduced;
furthermore, one end of the first rotating rod 120 close to the second rotating rod 130 is fixedly connected with a bevel gear, one end of the second rotating rod 130 close to the first rotating rod 120 is fixedly connected with a bevel gear, the first rotating rod 120 and the second rotating rod 130 are in transmission connection through the bevel gear, and when the first rotating rod 120 rotates, the second rotating rod 130 is driven to rotate;
further, the outer sides of the rotating discs 121 are uniformly and fixedly connected with gear teeth, the inner surface of the rotating ring 140 is uniformly and fixedly connected with gear teeth, the rotating discs 121 and the rotating ring 140 are meshed through the gear teeth, and when the rotating ring 140 rotates, the rotating discs 121 are driven to rotate, so that the first rotating rod 120 is driven to rotate;
furthermore, a rubber pad is fixedly connected to one side of the clamping plate 132, which is far away from the inner surface of the helmet main body 100, and friction grains are arranged on the surface of the rubber pad, so that the clamping plate 132 is in soft contact with the head of a user through the rubber pad and has a deformation range, discomfort caused by over-tight clamping on the head of the user is avoided, friction between the clamping plate and the head of the user is increased, and the helmet can be worn more firmly without over-tight clamping;
further, the surface of the second rotating rod 130 far away from one end of the bevel gear is provided with an external thread, the surface of the movable sleeve 131, which is attached to the second rotating rod 130, is provided with an internal thread, the second rotating rod 130 and the movable sleeve 131 are fixedly connected through a thread structure, the outer surface of the movable sleeve 131 is in a cuboid shape with two square sides, the longitudinal section of the inner wall of the safety helmet main body 100, which is attached to the movable sleeve 131, is in a square shape, when the second rotating rod 130 rotates, the movable sleeve 131 cannot rotate together with the second rotating rod 130 due to the limitation of the inner wall of the safety helmet main body 100, and therefore the movable sleeve 131 moves along the body of the second rotating rod 130.
The working principle is as follows: a user stirs the grip 141 to make the grip perform circular motion, and drives the swivel 140 to rotate, so as to drive the four groups of turnplates 121 to rotate simultaneously, drive the first rotary rod 120 to rotate simultaneously, so as to enable the second rotary rod 130 to rotate together, enable the moving sleeve 131 to slide along the rod body of the second rotary rod 130, drive the four groups of clamping plates 132 to move in the expanding direction, buckle the helmet main body 100 on the head, and reversely stir the grip 141, so as to enable the four groups of clamping plates 132 to move in the gathering direction, and clamp the head of the user by the clamping plates 132, so that the helmet main body 100 is firmly worn;
if article fall from the high altitude to protection casing 210 on, the impact force makes protection casing 210 to the direction that is close to safety helmet main part 100 remove, make second spring 220 compressed, meanwhile, make two sets of slide bars 212 in every group spout 211 all slide and deflect to the direction of keeping away from each other, drive with two sets of connecting rods 213 of every group connecting seat 214 articulated deflect to open direction, make first spring 215 tensile, under the effect of two kinds of resilience forces, support protection casing 210 to the direction of keeping away from safety helmet main part 100, resist partial impact force, reduce the impact to safety helmet main part 100, reduce the impact to user's head from this.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A safety helmet with an adjustment structure, comprising a safety helmet main body (100), characterized in that: an inner bin (110) is arranged in the safety helmet main body (100), four groups of first rotating rods (120) are arranged in the inner bin (110), one ends of the first rotating rods (120) are fixedly connected with the inner wall of the inner bin (110) through embedded bearings, turntables (121) are sleeved on the outer sides of the first rotating rods (120), four groups of second rotating rods (130) are arranged in the inner bin (110), one ends of the second rotating rods (130) are fixedly connected with the inner wall of the second rotating rods (130) through bearing frames, the other ends of the second rotating rods (130) penetrate through the inner wall of the inner bin (110) and extend to the outer portion of the inner bin (110), a movable sleeve (131) is sleeved at one end of the outer portion of the inner bin (110), a clamping plate (132) is fixedly connected to one side, far away from the second rotating rods (130), of the movable sleeve (131), and a rotating ring (140) is sleeved on the outer side of the safety helmet main body (100), and both ends of the inner surface of the swivel (140) are fixedly connected with the surface of the safety helmet main body (100) through embedded bearings, the outer surface of the swivel (140) is fixedly connected with a handle (141), and the outer side of the safety helmet main body (100) is provided with a protection component (200).
2. A helmet having an adjustment structure according to claim 1, wherein: the protective component (200) comprises a protective cover (210), the number of the protective cover (210) is two, six groups of sliding grooves (211) are uniformly formed in one side, close to the surface of the safety helmet main body (100), of the protective cover (210), two groups of sliding rods (212) are arranged inside the sliding grooves (211), one ends of the sliding rods (212) penetrate through the inner wall of the sliding grooves (211) and extend to the outside of the protective cover (210), one ends, arranged outside the sliding grooves (211), of the sliding rods (212) are hinged to connecting rods (213), the middle portion, close to one side of the surface of the safety helmet main body (100), of the sliding grooves (211) is provided with a connecting seat (214), the connecting seat (214) is fixedly connected with the surface of the safety helmet main body (100), one end, close to the connecting seat (214), of the connecting rod (213) is hinged to the connecting seat (214), one side, close to the sliding grooves (211), and the both ends of first spring (215) all respectively with two sets of connecting rod (213) middle part fixed connection, protection casing (210) are close to the equal fixedly connected with nine sets of second springs (220) in one side on safety helmet main part (100) surface, and second spring (220) are close to the one end on safety helmet main part (100) surface all with safety helmet main part (100) fixed connection.
3. A helmet having an adjustment structure according to claim 1, wherein: the one end that first bull stick (120) are close to second bull stick (130) all fixedly connected with bevel gear, the one end that second bull stick (130) are close to first bull stick (120) all fixedly connected with bevel gear, first bull stick (120) and second bull stick (130) are connected through the bevel gear transmission.
4. A helmet having an adjustment structure according to claim 1, wherein: the outer side of the rotary table (121) is uniformly and fixedly connected with gear teeth, the inner surface of the rotary ring (140) is uniformly and fixedly connected with gear teeth, and the rotary table (121) is meshed with the rotary ring (140) through the gear teeth.
5. A helmet having an adjustment structure according to claim 1, wherein: one side of the clamping plate (132) far away from the inner surface of the helmet main body (100) is fixedly connected with a rubber pad, and friction grains are arranged on the surface of the rubber pad.
6. A helmet having an adjustment structure according to claim 1, wherein: the surface that conical gear one end was kept away from in second bull stick (130) is provided with the external screw thread, the surface that removes cover (131) and second bull stick (130) and laminate mutually is provided with the internal thread, second bull stick (130) and removal cover (131) pass through helicitic texture fixed connection, the outward appearance of removing cover (131) is the cuboid form that both sides are the square, safety helmet main part (100) are square with the longitudinal section that removes cover (131) and laminate the inner wall mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726783.5U CN213370210U (en) | 2020-11-23 | 2020-11-23 | Safety helmet with adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726783.5U CN213370210U (en) | 2020-11-23 | 2020-11-23 | Safety helmet with adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213370210U true CN213370210U (en) | 2021-06-08 |
Family
ID=76194944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022726783.5U Active CN213370210U (en) | 2020-11-23 | 2020-11-23 | Safety helmet with adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213370210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576094A (en) * | 2021-09-30 | 2021-11-02 | 南通佳固劳护用品有限公司 | Novel safety helmet with good protection performance |
-
2020
- 2020-11-23 CN CN202022726783.5U patent/CN213370210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576094A (en) * | 2021-09-30 | 2021-11-02 | 南通佳固劳护用品有限公司 | Novel safety helmet with good protection performance |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240314 Address after: 710000, Room 2802, Building 8, High tech Zone, Southeast Corner of Zhangba East Road and Ziwu Avenue, Yanta District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Yixing Dahui Construction Engineering Co.,Ltd. Country or region after: China Address before: 510000 370 Yingbin Road, Dashi street, Panyu District, Guangzhou City, Guangdong Province Patentee before: Li Sumei Country or region before: China |