CN114568785B - Safety helmet for engineering construction entrance - Google Patents
Safety helmet for engineering construction entrance Download PDFInfo
- Publication number
- CN114568785B CN114568785B CN202210139342.6A CN202210139342A CN114568785B CN 114568785 B CN114568785 B CN 114568785B CN 202210139342 A CN202210139342 A CN 202210139342A CN 114568785 B CN114568785 B CN 114568785B
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- gas
- gas storage
- bin
- gas injection
- storage bin
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Classifications
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
- A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
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- Respiratory Apparatuses And Protective Means (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The application relates to the technical field of construction safety, and discloses a safety helmet for engineering construction entrance, which comprises an outer protection, wherein a mounting groove is formed in the top of the outer surface of the outer protection, a trigger device is fixedly arranged in the mounting groove, a gas storage device is fixedly arranged at the middle position of the top of the outer protection, when falling objects hit the top of a gas storage bin and hit the top of the gas storage bin to the middle position, the inclined component force of the falling objects is insufficient due to lower inclination degree, so that most of kinetic energy of the falling objects acts on the top of the gas storage device, the top of the gas storage device is broken down, and high-pressure gas in the gas storage bin is sprayed out, so that the acting force of the falling objects in counter-response is reduced, the kinetic energy of the falling objects is reduced as much as possible before the falling objects contact with the inner protection, the force of the falling objects is reduced when the falling objects collide with the inner protection, wearers are protected to the greatest extent, and the safety performance of the safety helmet is improved.
Description
Technical Field
The application relates to the technical field of construction safety, in particular to a safety helmet for engineering construction entrance.
Background
The safety helmet is a very common protection device, can protect life safety of people at key moment, is a device which can be worn by constructors in a construction site, can well protect the head under the condition of some high-altitude falling objects, is generally semicircular, mainly comprises a shell, a lining and a hanging device, and is also a safety helmet structure with the widest application range at present, and has the advantages of simple structure, convenience in use, low cost and the like.
Although the existing safety helmet has the advantages, certain limitations still exist in the practical use process, as the helmet is semicircular in shape, if falling objects at high altitude are concentrated at the position, close to the center, of the top of the helmet, the incident angle of the falling objects is very small, so that most of the kinetic energy of the falling objects is released on the helmet, the helmet is easy to break down, and serious safety accidents are caused.
Disclosure of Invention
Aiming at the defects of the prior engineering construction entrance safety helmet in the use process, the application provides the engineering construction entrance safety helmet, which has the advantage of increasing the incident angle of falling objects and solves the problem of larger destructive force when the falling objects concentrate at the top center position of the helmet.
The application provides the following technical scheme: the utility model provides an engineering construction is safety helmet for entering, includes the outside protection, the mounting groove has been seted up at the top of outside protection surface, the inside fixed mounting of mounting groove has trigger device, fixed mounting has gas storage device on the position that outside protection surface top is located the centre, gas storage device cooperatees with trigger device, the inside fixed mounting of outside protection has the inlayer protection.
Preferably, the triggering device comprises a trigger spring, the trigger spring is fixedly arranged in the mounting groove, the top of the trigger spring is fixedly provided with gas baffle plates close to the middle, the number of the gas baffle plates is two, the gas baffle plates are matched with the gas storage device, and the bottom of the trigger spring is provided with a thickness reducing groove at the positions of two sides of the gas baffle plates.
Preferably, the gas storage device comprises a gas storage bin, the gas storage bin is fixedly arranged at the position, close to the middle, of the top of the outer protective surface of the outer side, an inclined partition plate is fixedly arranged in the inner cavity of the gas storage bin, the inclined partition plates are arranged in the inner cavity of the gas storage bin in an inclined mode, circular through holes are formed in one side of each inclined partition plate and in the position of the center of each inclined partition plate, a gas injection device is fixedly sleeved in one end of the gas storage bin, gas injection grooves are formed in two sides of the gas storage bin and in the positions between the inclined partition plates, and the gas injection grooves are matched with the gas blocking sheets.
Preferably, the gas injection device comprises a stroke bin, a gas injection bin is movably sleeved at a position, close to the bottom, of an inner cavity of the stroke bin, a circular through hole is formed in the top of the stroke bin, a one-way valve I is fixedly sleeved in the circular through hole, a gas injection nozzle is fixedly mounted at the top of the gas injection bin, the inner cavity of the gas injection nozzle is communicated with the inner cavity of the gas injection bin, a one-way valve II is fixedly sleeved at a position, close to the bottom, of the inner cavity of the gas injection bin, and a gas injection port is formed in the bottom of the gas injection bin.
Preferably, high-pressure gas is injected into the gas storage bin.
The application has the following beneficial effects:
1. according to the application, the inner layer protection is fixedly arranged in the outer side protection, so that the device has a double-layer protection effect, and the second layer is still protected after the falling object breaks down the first layer, so that the safety of a wearer is effectively protected, and the safety performance of the device is improved.
2. According to the application, high-pressure gas is injected into the gas storage bin, so that when a falling object hits the top of the gas storage bin and hits the top of the gas storage bin near the middle position, the falling object is subjected to insufficient oblique component force due to low inclination degree, so that most of kinetic energy acts on the top of the gas storage device, the top of the gas storage device is broken down, and the high-pressure gas in the gas storage bin is sprayed out, so that the acting force of the falling object is reflected to reduce the falling object, the kinetic energy of the falling object is reduced as much as possible before the falling object is in protective contact with the inner layer, and the force of the falling object is reduced when the falling object collides with the inner layer, so that a wearer is protected furthest, and the safety performance of the device is improved.
3. According to the application, the thickness reducing grooves are formed in the positions of the bottom of the triggering strip and the two sides of the air baffle, so that when a falling object hits the top of the outer protection and is close to the position of the air storage device, if the hit position is at the top of the triggering device, the thickness reducing grooves are formed in the positions of the bottom of the triggering strip and the two sides of the air baffle, the positions of the thickness reducing grooves are fragile, the thickness reducing grooves are broken and offset after the top of the triggering strip is hit, the air baffle is driven to synchronously move, and as the air injection grooves are matched with the air baffle, high-pressure air in the air storage bin is sprayed out through the air injection grooves and acts on the falling object after the displacement of the thickness reducing grooves, the bottom of the falling object is subjected to acting force in the horizontal direction, the bottom of the falling object is offset, so that the incident angle is increased, and the acting force of the falling object on the top of the triggering device is reduced, so that the breaking force when the falling object is in contact with the inner protection is reduced, the probability of breakdown of the inner protection is reduced, when the falling object hits the top of the corner strip, the cross-section of the corner deflecting strip is triangular, and the falling object is broken, and the falling object is further broken down on the inclined plane after the falling object is inclined under the inclined plane, and then the falling object is further reduced, and the breakdown probability of the falling object is further is reduced when the falling object is caused.
4. The bottom of gas injection bin has been seted up the gas injection mouth, when need blow into high-pressure gas to gas storage bin inside, insert the inside of gas injection mouth with high-pressure gas rifle head, thereby promote the gas injection bin and make the gas injection mouth insert the inside of check valve I, the rifle head inserts the inside of check valve II simultaneously, thereby realize the gas supply to the gas storage bin, simultaneously, when the gas storage bin atmospheric pressure needs to be checked whether normal, push into the inside of stroke storehouse with the gas injection bin by hand, thereby make the gas injection mouth insert the inside of check valve I, if the atmospheric pressure inside the gas storage bin is normal, the inside high-pressure gas of gas storage bin can enter into the inside of gas injection bin through the gas injection mouth this moment, because check valve II is in confined state, make the gas injection bin can reset immediately under the effect of atmospheric pressure after the hand loosens, thereby learn that the atmospheric pressure inside the gas storage bin is normal, if the gas storage bin can't normally reset or reset speed is slower, thereby learn that the inside atmospheric pressure of gas storage bin is too low, thereby the person of being convenient for inspect whether the device is in normal state fast, the practicality of the device has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic top view of the structure of the present application;
FIG. 3 is a schematic view of a cross-section in direction A of FIG. 2, which is a structural diagram of the present application;
FIG. 4 is a schematic view of a cross-section in the direction B of FIG. 2, which is a structural diagram of the present application;
FIG. 5 is a schematic diagram of a structural activation device according to the present application;
FIG. 6 is a schematic front view of a trigger device according to the present application;
FIG. 7 is a schematic diagram of a gas storage device according to the present application;
FIG. 8 is a schematic cross-sectional view of a gas storage device according to the present application;
FIG. 9 is a schematic view of a gas injection apparatus according to the present application.
In the figure: 1. the outside is protected; 2. a mounting groove; 3. a triggering device; 31. a touch spring; 32. a gas baffle plate; 33. a thickness reducing groove; 4. a gas storage device; 41. a gas storage bin; 42. a sloped baffle; 43. an air injection device; 431. a travel bin; 432. a gas injection bin; 433. a one-way valve I; 434. an air injection nozzle; 435. a one-way valve II; 436. an air injection port; 44. a jet slot; 5. inner layer protection; 6. deflecting the triangular strips.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-4, a safety helmet for engineering construction entrance includes an outer protection 1, a mounting groove 2 is provided at the top of the outer surface of the outer protection 1, a triggering device 3 is fixedly installed in the mounting groove 2, a gas storage device 4 is fixedly installed at the middle position of the top of the outer surface of the outer protection 1, the gas storage device 4 is matched with the triggering device 3, an inner protection 5 is fixedly installed in the outer protection 1, the safety helmet has a double-layer protection effect, a second layer is still provided for protection after a falling object breaks through the first layer, the safety of a wearer is effectively protected, the safety performance of the safety helmet is improved, a deflection triangular bar 6 is fixedly installed at the top of the outer protection 1 and at the position between the mounting grooves 2, and the section of the deflection triangular bar 6 is triangular.
Referring to fig. 5-6, the triggering device 3 includes a trigger spring 31, the trigger bar 31 is fixedly installed in the installation groove 2, a gas baffle 32 is fixedly installed at a position near the middle of the top of the trigger bar 31, the number of the gas baffle 32 is two, the gas baffle 32 is matched with the gas storage device 4, a thickness reducing groove 33 is formed at the bottom of the trigger bar 31 and at positions on two sides of the gas baffle 32, so that when a falling object hits the top of the outer protection 1 and approaches the gas storage device 4, if the hit position is at the top of the triggering device 3, a thickness reducing groove 33 is formed at the bottom of the trigger bar 31 and at positions on two sides of the gas baffle 32, so that the position where the thickness reducing groove 33 is formed at the bottom of the trigger bar 31 is fragile, the position where the thickness reducing groove 33 is broken and is deflected after the top of the trigger bar 31 is hit, thereby driving the gas baffle 32 to synchronously move, because the air jet groove 44 is matched with the air baffle 32, high-pressure air in the air storage bin 41 is jetted out through the air jet groove 44 and acts on the falling object after the thickness reducing groove 33 is displaced, the bottom of the falling object is acted by the acting force in the horizontal direction, the bottom of the falling object is deviated to increase the incident angle, the acting force of the falling object acting on the top of the trigger device 3 is weakened, the destructive force when the falling object contacts with the inner layer protection 5 is lightened, the probability of breakdown of the inner layer protection 5 is reduced, when the falling object hits the top of the deflection triangular strip 6, the falling object is inclined under the action of the inclined plane after being released from the deflection triangular strip 6 due to the triangular shape of the section of the deflection triangular strip 6, then the step is repeated because the trigger device 3 contacts, the destructive force when the falling object contacts with the inner layer protection 5 is further reduced, thereby further reducing the probability of the inner layer guard 5 being broken down.
Referring to fig. 7-8, the gas storage device 4 includes a gas storage bin 41, the gas storage bin 41 is fixedly installed at a position near the middle of the top of the outer surface of the outer side protection 1, an inclined partition plate 42 is fixedly installed in an inner cavity of the gas storage bin 41, the inclined partition plates 42 are all installed in the inner cavity of the gas storage bin 41 in an inclined manner, a circular through hole is formed in one side of the inclined partition plate 42 and in a position at the center, a gas injection device 43 is fixedly sleeved at one end of the gas storage bin 41, gas injection grooves 44 are formed in positions on two sides of the gas storage bin 41 and between the inclined partition plates 42, and the gas injection grooves 44 are matched with the gas blocking plates 32.
Referring to fig. 9, the gas injection device 43 includes a stroke bin 431, a gas injection bin 432 is movably sleeved at a position, close to the bottom, of the inner cavity of the stroke bin 431, a circular through hole is formed in the top of the stroke bin 431, a one-way valve i 433 is fixedly sleeved at the inner part of the circular through hole, a gas injection nozzle 434 is fixedly mounted at the top of the gas injection bin 432, the inner cavity of the gas injection nozzle 434 is communicated with the inner cavity of the gas injection bin 432, a one-way valve ii 435 is fixedly sleeved at the position, close to the bottom, of the inner cavity of the gas injection bin 432, a gas injection port 436 is formed at the bottom of the gas injection bin 432, when high-pressure gas is required to be injected into the gas storage bin 41, a high-pressure gun head is inserted into the gas injection port 436, so that the gas injection nozzle 434 is inserted into the one-way valve i 433, and simultaneously the gun head is inserted into the one-way valve ii 435, so that gas supply is realized for the gas storage bin 41, and simultaneously, when the gas storage bin 41 is required to be checked whether the gas pressure is normal, the gas injection bin 432 is pushed into the inner of the stroke bin 431 by hand, so that if the gas storage bin 41 is reset, the gas storage bin 41 is reset to be in a normal state, and if the gas storage bin 41 is not normally, and a user can not normally wear the gas storage bin 41, and can not normally, and the gas storage bin 41 is in a state, and the condition can be easily and can be easily known by normal air pressure, if the air pressure is reset, and if the air pressure is normally, and the air device is normally, and if the air pressure is normally.
Referring to fig. 8, high-pressure gas is injected into the gas storage bin 41, so that when a falling object hits the top of the gas storage bin 41 and hits the top of the gas storage bin 41 to be located at a middle position, most of kinetic energy of the falling object acts on the top of the gas storage device 4 due to insufficient oblique component force of the falling object caused by lower inclination, the top of the gas storage device 4 is broken down, and high-pressure gas in the gas storage bin 41 is sprayed out at the moment, so that the falling object is decelerated by the reactive force of the falling object, the kinetic energy of the falling object is reduced as much as possible before the falling object contacts with the inner layer protection 5, so that the force of the falling object when the falling object collides with the inner layer protection 5 is reduced, a wearer is protected to the greatest extent, and the safety performance of the device is improved.
The application method of the application is as follows:
in the use process, when falling objects hit the top of the gas storage bin 41 and hit the top of the gas storage bin 41 to lean against the middle position, at the moment, due to the lower inclination degree, the inclined component force of the falling objects is insufficient, so that most of kinetic energy of the falling objects acts on the top of the gas storage device 4, the top of the gas storage device 4 is broken down, high-pressure gas in the gas storage bin 41 is sprayed out, thereby the reaction force of the falling objects is reflected, the falling objects are decelerated, the kinetic energy of the falling objects is reduced as much as possible before the falling objects contact with the inner layer protection 5, the force of the falling objects is reduced when the falling objects hit the top of the outer layer protection 1 and are close to the position of the gas storage device 4, if the falling objects hit the top of the trigger device 3, the thickness reducing grooves 33 are formed at the positions of the bottom of the trigger spring 31 and on the two sides of the gas blocking piece 32, the position of the thickness reducing groove 33 formed at the bottom of the trigger bar 31 is fragile, the thickness reducing groove 33 is broken and deflected after the top of the trigger bar 31 is hit, so that the air baffle 32 is driven to synchronously move, high-pressure air in the air storage bin 41 is sprayed out through the air spraying groove 44 and acts on the falling object after the thickness reducing groove 33 is displaced due to the matching of the air spraying groove 44 and the air baffle 32, the bottom of the falling object is acted by the acting force in the horizontal direction, the bottom of the falling object is deflected, the incident angle is increased, the acting force of the falling object on the top of the trigger device 3 is weakened, the destructive force when the falling object is contacted with the inner layer protection 5 is reduced, the possibility that the inner layer protection 5 is broken is reduced, when the falling object hits the top of the deflection triangular bar 6, the cross section of the deflection triangular bar 6 is triangular, the falling object is inclined under the action of the inclined plane after being released from the deflection triangular strip 6, and then the triggering device 3 contacts the falling object and repeats the steps, so that the destructive force of the falling object when the falling object contacts the inner layer protection 5 is further reduced, and the probability of the inner layer protection 5 being broken down is further reduced.
When high-pressure gas is required to be injected into the gas storage bin 41, the gun head of the high-pressure gas gun is inserted into the gas injection port 436, so that the gas injection bin 432 is pushed to enable the gas injection nozzle 434 to be inserted into the one-way valve I433, meanwhile, the gun head is inserted into the one-way valve II 435, gas supply to the gas storage bin 41 is achieved, meanwhile, when whether the gas pressure of the gas storage bin 41 is normal or not is required to be checked, the gas injection bin 432 is pushed into the travel bin 431 by hands, so that the gas injection nozzle 434 is inserted into the one-way valve I433, if the gas pressure in the gas storage bin 41 is normal, the high-pressure gas in the gas storage bin 41 enters into the gas injection bin 432 through the gas injection nozzle 434 at the moment, and because the one-way valve II is in a closed state, the gas injection bin 432 can be reset immediately under the action of the gas pressure after the hand is released, so that the gas pressure in the gas storage bin 41 is normal, if the gas storage bin 41 cannot be reset normally or the reset speed is slower, the gas pressure in the gas storage bin 41 is known to be too low, and a wearer can check whether the device is in a normal state or not conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an engineering construction is safety helmet for entering, includes outside protection (1), its characterized in that: the top of the outer surface of the outer side protection (1) is provided with a mounting groove (2), the inside of the mounting groove (2) is fixedly provided with a trigger device (3), the top of the outer surface of the outer side protection (1) is fixedly provided with a gas storage device (4) at a middle position, the gas storage device (4) is matched with the trigger device (3), and the inside of the outer side protection (1) is fixedly provided with an inner layer protection (5);
the trigger device (3) comprises a trigger spring (31), the trigger spring (31) is fixedly arranged in the mounting groove (2), air baffle plates (32) are fixedly arranged at the positions, close to the middle, of the top of the trigger spring (31), the number of the air baffle plates (32) is two, the air baffle plates (32) are matched with the air storage device (4), and thickness reducing grooves (33) are formed in the positions, located at the two sides of the air baffle plates (32), of the bottom of the trigger spring (31);
the gas storage device (4) comprises a gas storage bin (41), the gas storage bin (41) is fixedly arranged at a position, close to the middle, of the top of the outer surface of the outer side protection (1), an inclined partition plate (42) is fixedly arranged in an inner cavity of the gas storage bin (41), the inclined partition plates (42) are all arranged in the inner cavity of the gas storage bin (41) in an inclined mode, circular through holes are formed in one side of each inclined partition plate (42) and in the position of the center, one end of the gas storage bin (41) is provided with the circular through holes, the inside of each circular through hole is fixedly sleeved with a gas injection device (43), gas injection grooves (44) are formed in the positions, located between the inclined partition plates (42), of two sides of the gas storage bin (41), and the gas injection grooves (44) are matched with the gas blocking pieces (32);
the gas injection device (43) comprises a stroke bin (431), a gas injection bin (432) is movably sleeved at a position, close to the bottom, of an inner cavity of the stroke bin (431), a circular through hole is formed in the top of the stroke bin (431), a one-way valve I (433) is fixedly sleeved in the circular through hole, a gas injection nozzle (434) is fixedly mounted at the top of the gas injection bin (432), the inner cavity of the gas injection nozzle (434) is communicated with the inner cavity of the gas injection bin (432), a one-way valve II (435) is fixedly sleeved at a position, close to the bottom, of the inner cavity of the gas injection bin (432), and a gas injection port (436) is formed in the bottom of the gas injection bin (432);
the inside of the gas storage bin (41) is filled with high-pressure gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139342.6A CN114568785B (en) | 2022-02-15 | 2022-02-15 | Safety helmet for engineering construction entrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139342.6A CN114568785B (en) | 2022-02-15 | 2022-02-15 | Safety helmet for engineering construction entrance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114568785A CN114568785A (en) | 2022-06-03 |
| CN114568785B true CN114568785B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210139342.6A Active CN114568785B (en) | 2022-02-15 | 2022-02-15 | Safety helmet for engineering construction entrance |
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| CN (1) | CN114568785B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771298A (en) * | 2018-06-20 | 2018-11-09 | 叶丽清 | A kind of permanent protective property construction site safety cap |
| CN110141017A (en) * | 2019-06-13 | 2019-08-20 | 西安科技大学 | A kind of miner's safety helmet |
| CN111642859A (en) * | 2020-07-21 | 2020-09-11 | 沈阳市铁西区自由号软件开发服务中心 | Protective helmet capable of spraying air |
| CN113142735A (en) * | 2021-06-01 | 2021-07-23 | 无锡永骅信息科技有限公司 | High-safety protective helmet capable of efficiently relieving pressure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10561189B2 (en) * | 2017-12-06 | 2020-02-18 | Choon Kee Lee | Protective headgear |
-
2022
- 2022-02-15 CN CN202210139342.6A patent/CN114568785B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771298A (en) * | 2018-06-20 | 2018-11-09 | 叶丽清 | A kind of permanent protective property construction site safety cap |
| CN110141017A (en) * | 2019-06-13 | 2019-08-20 | 西安科技大学 | A kind of miner's safety helmet |
| CN111642859A (en) * | 2020-07-21 | 2020-09-11 | 沈阳市铁西区自由号软件开发服务中心 | Protective helmet capable of spraying air |
| CN113142735A (en) * | 2021-06-01 | 2021-07-23 | 无锡永骅信息科技有限公司 | High-safety protective helmet capable of efficiently relieving pressure |
Non-Patent Citations (2)
| Title |
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| 姚守拙主编.现代实验室安全与劳动保护手册 下.1992,473-479. * |
| 沈英娃，孙锦业主编.化学品GHS分类实用指南.2014,70. * |
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| CN114568785A (en) | 2022-06-03 |
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