CN203087676U - Protective helmet - Google Patents
Protective helmet Download PDFInfo
- Publication number
- CN203087676U CN203087676U CN 201320039669 CN201320039669U CN203087676U CN 203087676 U CN203087676 U CN 203087676U CN 201320039669 CN201320039669 CN 201320039669 CN 201320039669 U CN201320039669 U CN 201320039669U CN 203087676 U CN203087676 U CN 203087676U
- Authority
- CN
- China
- Prior art keywords
- protective helmet
- hard case
- flexible membrane
- bleeding valve
- clamping piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 55
- 239000012528 membrane Substances 0.000 claims description 43
- 230000000740 bleeding effect Effects 0.000 claims description 26
- 239000011148 porous material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 208000023406 head swelling Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a protective helmet. The protective helmet comprises a hard housing (1). A vent valve (2) is arranged on the hard housing (1). By arranging the vent valve on the hard housing, the vent valve is opened to exhaust when air pressure inside the protective helmet is excessive, and therefore the air pressure inside the protective helmet is weakened, and people who wear the protective helmet feel comfortable.
Description
Technical field
The utility model relates to protector, particularly, relates to a kind of protective helmet.
Background technology
Protective helmet is widely used in operating personnels such as industrial and mineral, fire-fighting because of its sealing protection effect.The air pressure that provides along with the feeder of the prolongation of service time or use is bigger, and the air pressure in the protective helmet increases, and causes the wearer to feel head swelling, feel suffocated, and is unfavorable for wearer's health and operation.
The utility model content
The purpose of this utility model provides a kind of protective helmet that can exhaust decompression.
To achieve these goals, the utility model provides a kind of protective helmet, and this protective helmet comprises the hard case, and wherein, described hard case is provided with air bleeding valve.
Preferably, described air bleeding valve is arranged on the middle and upper part of the short transverse of described hard case.
Preferably, described air bleeding valve is two and lays respectively at the middle part along short transverse of the both sides of described hard case.
Preferably, described hard case has installing hole, and described air bleeding valve comprises the flexible membrane that is used to be installed to the installing rack of described installing hole and covers described installing hole, and the middle part of described flexible membrane is installed on described installing rack.
Preferably, described air bleeding valve comprises the clamping piece that is arranged on the described flexible membrane outside abreast.
Preferably, described flexible membrane and clamping piece form the circle of concentric setting, and the diameter of described clamping piece is less than the diameter of described flexible membrane.
Preferably, the circle centre position of described flexible membrane and clamping piece is respectively arranged with through hole, described installing rack have can with the installing hole of described through-hole alignment, described installing rack, flexible membrane and clamping piece are removably fixing by the installed part that passes described through hole and installing hole.
Preferably, described protective helmet comprises and is used for feeder from gas to the inner space of described hard case that the breather line of gas is provided and is used for providing to described breather line.
Preferably, described breather line is formed in the shell wall of described hard case, and an end of described breather line is positioned at the lower rear of described hard case, and the other end is positioned at the front upper of the inboard of described hard case.
Preferably, described protective helmet comprises that sealing is arranged on the guard shield of the lower front of described hard case, and described guard shield is defined for the opening that observation window is installed, and described guard shield and/or described hard case have the pore that is used to breathe.
By technique scheme, be provided with air bleeding valve by the hard case, can come exhaust by opening air bleeding valve when the air pressure in protective helmet is excessive, to weaken the air pressure in the protective helmet, make the wearer feel comfortable.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of embodiment of explanation protective helmet of the present utility model;
Fig. 2 is the schematic diagram of a kind of embodiment of explanation air bleeding valve of the present utility model;
Fig. 3 is the cutaway view along A-A line intercepting among Fig. 2.
Description of reference numerals
1: hard case 2: air bleeding valve 3: installing rack 4: flexible membrane
5: clamping piece 6: installed part 7: breather line 8: feeder
9: air supply unit 10: tube connector 11: guard shield 12: observation window
13: pore
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use is as the upper and lower, left and right shown in " upper and lower, left and right " typically refer to reference to the accompanying drawings; " inside and outside " is meant inside and outside with respect to the profile of each parts itself.
The utility model provides a kind of protective helmet, and this protective helmet comprises hard case 1, and wherein, described hard case 1 is provided with air bleeding valve 2.
In the protective helmet of the present utility model, hard case 1 is provided with air bleeding valve 2, thus air pressure that can be in protective helmet open air bleeding valve 2 when excessive and carry out exhaust, to weaken the air pressure in the protective helmet, make the wearer feel comfortable.
In addition, when wearing, because the good fluidity of the air of the middle and lower part of protective helmet is in the middle and upper part, thereby the preferred middle and upper part that described air bleeding valve 2 is arranged on the short transverse of described hard case 1, so that in exhaust, strengthen the air flow property in the protective helmet, and can not interfere wearer's breathing.
More preferably, described air bleeding valve 2 can and lay respectively at the middle part along short transverse of the both sides of described hard case 1 for two.
In the utility model, air bleeding valve 2 can adopt various suitable forms, for example can be the form of opening by manual unlocking or automatic control.In preferred implementation of the present utility model, as shown in Figures 2 and 3, described hard case 1 has installing hole, and described air bleeding valve 2 comprises the flexible membrane 4 that is used to be installed to the installing rack 3 of described installing hole and covers described installing hole, and the middle part of described flexible membrane 4 is installed on described installing rack 3.Thus, flexible membrane 4 can the pressure in protective helmet reaches setting value (for example hold 55-65 in the protective helmet and rise gas) time to be opened automatically, and the pressure in protective helmet is closed during less than setting value automatically.Particularly, the pressure in protective helmet is less than when setting value, and flexible membrane 4 can keep the straight lamellar morphology of its nature, thereby covers described installing hole, promptly keeps closed condition.When the pressure in the protective helmet increases to setting value, the air pressure in the protective helmet will force flexible membrane 4 flexural deformations, make it can't cover installing hole fully, thereby realize opening automatically exhaust.
In addition, preferably, as shown in Figures 2 and 3, described air bleeding valve 2 can comprise the clamping piece 5 that is arranged on described flexible membrane 4 outsides abreast, so that the pressure in protective helmet the time guarantees that flexible membrane 4 is in the straight lamellar morphology of nature less than setting value, and the air pressure in protective helmet is reduced to setting value and makes flexible membrane 4 be returned to straight lamellar morphology rapidly when following after exhaust.
Wherein, flexible membrane 4 can adopt various suitable materials to make, the distortion and reply and have appropriate rigidity so that the pressure in protective helmet covers installing hole during less than setting value as long as flexible membrane 4 can have flexibility.Similarly, clamping piece 5 also can adopt various suitable materials to make, as long as pressure that can be in protective helmet guarantees that flexible membrane 4 is in the straight lamellar morphology of nature during less than setting value, and the air pressure in protective helmet is reduced to setting value and makes flexible membrane 4 be returned to straight lamellar morphology rapidly when following to get final product after exhaust.For example, flexible membrane 4 and clamping piece 5 all can be made of plastics.
In addition, flexible membrane 4 and clamping piece 5 can form various suitable shapes, and preferably, described flexible membrane 4 and clamping piece 5 can form the circle of concentric setting, and the diameter of described clamping piece 5 is less than the diameter of described flexible membrane 4.Thus, clamping piece 5 can apply the thrust that makes flexible membrane 4 be straight lamellar morphology from the middle part of flexible membrane 4 to flexible membrane 4.
In addition, preferably, the circle centre position of described flexible membrane 4 and clamping piece 5 can be respectively arranged with through hole, described installing rack 3 have can with the installing hole of described through-hole alignment, described installing rack 3, flexible membrane 4 and clamping piece 5 are for example sold by the installed part 6(that passes described through hole and installing hole) removably fixing.Thus, when the pressure in the protective helmet increases to setting value, air pressure in the protective helmet will force flexible membrane 4 flexural deformations, thereby the periphery of flexible membrane 4 is outwardly-bent, air bleeding valve 2 is opened automatically, and the gas in the protective helmet will be discharged from the space between the periphery of the periphery of flexible membrane 4 and installing hole.When the air pressure in the protective helmet is reduced to setting value when following after exhaust, the thrust of clamping piece 5 will make flexible membrane 4 be returned to straight lamellar morphology rapidly, the space between the periphery of elimination flexible membrane 4 and the periphery of installing hole, and air bleeding valve 2 is closed automatically.
Wherein, installing rack 3 can form various suitable structures, as long as flexible membrane 4 can be arranged on the installing hole place.For example, installing rack 3 can be set to Bracket Type shown in Figure 3, this carriage comprises the support portion that is used to hold the accommodation section of flexible membrane 4 and clamping piece 5 and supports the accommodation section, and the bottom of accommodation section can form the latticed of hollow out, so that gas passes through.
In preferred implementation of the present utility model, as shown in Figure 1, described protective helmet can comprise and is used for feeder 8 from gas to the inner space of described hard case 1 that the breather line 7 of gas is provided and is used for providing to described breather line 7.Thus, feeder 8 can provide the air that can supply the wearer to breathe by breather line 7 to the inside of hard case 1.When the gas flow of air feed is bigger, when making air pressure in the hard case 1 greater than setting value, air bleeding valve 2 is opened automatically and is carried out exhaust.
Wherein, breather line 7 can be independent tubular part, also can be to be integrally formed in the hard case 1.Preferably, described breather line 7 can be formed in the shell wall of described hard case 1, and an end of described breather line 7 is positioned at the lower rear of described hard case 1, the other end is positioned at the front upper of the inboard of described hard case 1, directly be provided to wearer's nose areas, the convenient breathing with gas with breather line 7 output.
In addition, feeder 8 can comprise air supply unit 9 and be connected the tube connector 10 of air supply unit 9 with breather line 7.Wherein, air supply unit 9 can be the type with independent source of the gas and the pumping unit that is used for the gas of source of the gas is exported, and also can be to have filter element and the type of pump unit to export after environmental gas is purified, and the utility model does not limit this.Tube connector 10 can be that flexible material is made, so that can crooked as required distance of regulating air supply unit 9 to breather line 7.
In addition, preferably, as shown in Figure 1, described protective helmet can comprise that sealing is arranged on the guard shield 11 of the lower front of described hard case 1, described guard shield 11 is defined for the opening that observation window 12 is installed, and described guard shield 11 and/or described hard case 1 have the pore 13 that is used to breathe.Under the situation that does not have above-mentioned feeder 8 and breather line 7, the wearer can breathe by pore 13.Under the situation with above-mentioned feeder 8 and breather line 7, the wearer can suck the gas that feeder 8 and breather line 7 provide, and the gas of exhalation can be discharged by pore 13.Similarly, when the air pressure in the hard case 1 is excessive, air bleeding valve 2 will be opened to assist exhaust.
As shown in Figure 1, the pore 13 that is arranged on the guard shield 11 can be arranged on the part that is positioned at observation window 12 belows of guard shield 11, so that breathe.In addition, be arranged on 13 middle parts that can be arranged on hard case 1 of pore on the hard case 1, for example two steam vents 13 that are positioned at front and rear can be set respectively in the both sides of hard case 1 as shown in Figure 1, so that increase the gas fluidity in the hard case 1.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can make up arbitrarily between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. protective helmet, this protective helmet comprises hard case (1), it is characterized in that, described hard case (1) is provided with air bleeding valve (2).
2. protective helmet according to claim 1 is characterized in that, described air bleeding valve (2) is arranged on the middle and upper part of the short transverse of described hard case (1).
3. protective helmet according to claim 2 is characterized in that, described air bleeding valve (2) is two and lays respectively at the middle part along short transverse of the both sides of described hard case (1).
4. protective helmet according to claim 1, it is characterized in that, described hard case (1) has installing hole, described air bleeding valve (2) comprises installing rack (3) that is used to be installed to described installing hole and the flexible membrane (4) that covers described installing hole, and the middle part of described flexible membrane (4) is installed on described installing rack (3).
5. protective helmet according to claim 4 is characterized in that, described air bleeding valve (2) comprises the clamping piece (5) that is arranged on described flexible membrane (4) outside abreast.
6. protective helmet according to claim 5 is characterized in that, described flexible membrane (4) and clamping piece (5) form the circle of concentric setting, and the diameter of described clamping piece (5) is less than the diameter of described flexible membrane (4).
7. protective helmet according to claim 6, it is characterized in that, the circle centre position of described flexible membrane (4) and clamping piece (5) is respectively arranged with through hole, described installing rack (3) have can with the installing hole of described through-hole alignment, described installing rack (3), flexible membrane (4) and clamping piece (5) are removably fixing by the installed part (6) that passes described through hole and installing hole.
8. protective helmet according to claim 1, it is characterized in that described protective helmet comprises and is used for feeder (8) from gas to the inner space of described hard case (1) that the breather line (7) of gas is provided and is used for providing to described breather line (7).
9. protective helmet according to claim 8, it is characterized in that, described breather line (7) is formed in the shell wall of described hard case (1), and an end of described breather line (7) is positioned at the lower rear of described hard case (1), and the other end is positioned at the front upper of the inboard of described hard case (1).
10. according to any described protective helmet among the claim 1-9, it is characterized in that, described protective helmet comprises that sealing is arranged on the guard shield (11) of the lower front of described hard case (1), described guard shield (11) is defined for the opening that observation window (12) is installed, and described guard shield (11) and/or described hard case (1) have the pore (13) that is used to breathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039669 CN203087676U (en) | 2013-01-24 | 2013-01-24 | Protective helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039669 CN203087676U (en) | 2013-01-24 | 2013-01-24 | Protective helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203087676U true CN203087676U (en) | 2013-07-31 |
Family
ID=48839138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320039669 Expired - Fee Related CN203087676U (en) | 2013-01-24 | 2013-01-24 | Protective helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203087676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310893A (en) * | 2016-06-23 | 2019-02-05 | 3M创新有限公司 | Indicate the hazardous exposure in airline respirator system |
-
2013
- 2013-01-24 CN CN 201320039669 patent/CN203087676U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310893A (en) * | 2016-06-23 | 2019-02-05 | 3M创新有限公司 | Indicate the hazardous exposure in airline respirator system |
| CN109310893B (en) * | 2016-06-23 | 2022-03-18 | 3M创新有限公司 | Indicating hazardous exposure in an air-fed respirator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151102 Address after: 232000 Taining, Huainan, Shannan New District Atmospheric Environment Technology Industrial Park Patentee after: ANHUI KEZHEN ATOMOSPHERIC ENVIRONMENTAL TECHNOLOGY CO., LTD. Patentee after: Zhou Guangyu Address before: 100086, No. 11, building 204, Haidian District, Beijing, Zhongguancun Patentee before: Zhou Guangyu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |