CN116671682A - Split type easy-to-wear safety protection garment with collar and air bag sealed and locked - Google Patents
Split type easy-to-wear safety protection garment with collar and air bag sealed and locked Download PDFInfo
- Publication number
- CN116671682A CN116671682A CN202010238120.0A CN202010238120A CN116671682A CN 116671682 A CN116671682 A CN 116671682A CN 202010238120 A CN202010238120 A CN 202010238120A CN 116671682 A CN116671682 A CN 116671682A
- Authority
- CN
- China
- Prior art keywords
- air bag
- collar
- belt body
- airbag
- bandage
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims description 5
- 244000052616 bacterial pathogen Species 0.000 description 6
- 239000002341 toxic gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004630 mental health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/12—Surgeons' or patients' gowns or dresses
- A41D13/1209—Surgeons' gowns or dresses
- A41D13/1218—Surgeons' gowns or dresses with head or face protection
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2300/00—Details of garments
- A41D2300/30—Closures
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/70—Removability
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention relates to split type easy-to-wear safety protective clothing with a collar and an air bag in a sealing and locking mode, which comprises a protective clothing body, a head cover body, a collar and an air bag locking bandage, wherein the collar is a circular or elliptic pipe body, two concave ring grooves and limiting convex rings are further arranged on the collar, the air bag locking bandage consists of an air bag belt body, a magic tape, a bandage ring and an extension air bag part, the neck sleeve part of the protective clothing body and the collar part of the head cover body are respectively sleeved on the two concave ring grooves of the collar correspondingly, and the neck sleeve part and the collar part are respectively sealed and fastened in the corresponding concave ring grooves by binding one air bag locking bandage on the two concave ring grooves, so that the sealing and locking connection between the protective clothing body and the head cover body is realized. The protective garment has the advantages of sealing, seamless and safe connection structure, convenient wearing, time and labor saving, good protective performance, comfort, safety and the like.
Description
Technical Field
The invention relates to the field of protective clothing, in particular to protective clothing with good sealing performance and careful protection.
Background
At present, in the medical industry or the industry of high-risk operation, the protective clothing that supplies medical personnel or operation workman to dress is between the collar of jacket and the neck mouth of headgear, is usually only made to have the shielding ring shirt rim by the neck cover portion an organic whole of headgear, overlaps on the collar, plays the shielding effect. However, the movable sleeve shielding mode has poor sealing performance, and a general protection function is enough, but when the movable sleeve shielding mode is applied to the occasion that germs and harmful gases are severe, germs, harmful and toxic gases and the like in the operation environment easily enter the protective clothing from the sleeve part to contact the body of people, so that the health of people is affected. In view of the foregoing problems with existing protective apparel, it is necessary to modify the protective apparel to provide substantial protection and to protect the health of the individual.
Disclosure of Invention
The split type easy-to-wear safety protective clothing with the collar and the air bag in a sealing and locking mode solves the problems and the defects, and has the advantages of being convenient to wear, time-saving, labor-saving, good in protective performance, comfortable and safe, and the like, and the safety protective clothing is of a sealing, seamless and safe connection structure.
The technical scheme of the invention is realized as follows: the split type easy-to-wear safety protective clothing with the collar and the air bag in a sealing and locking mode comprises a protective clothing body and a head cover body, wherein the protective clothing body consists of a body wearing part, a sleeve part and a collar part, and the head cover body consists of the head cover part and a neck cover part; the air bag locking bandage comprises an air bag belt body, a magic tape, a bandage ring and an air bag extension part, wherein the magic tape is arranged on the surface of the air bag belt body along the length direction of the air bag belt body; the binding band ring is arranged at one end of the air bag belt body, and the other end of the air bag belt body passes through the binding band ring and then is folded back to be adhered to the surface of the air bag belt body; the extension air bag part is arranged on the end part of the air bag belt body beside the binding belt ring and is communicated with the inside of the air bag belt body into a whole, and the inner side surface of the extension air bag part is arranged into an inner inclined surface structure which is inclined from the end part connected with the air bag belt body to the other end of the extension air bag part; the neck sleeve part and the collar part are respectively sleeved on the two concave ring grooves of the collar correspondingly, and the neck sleeve part and the collar part are respectively sealed and fastened in the corresponding concave ring grooves by respectively binding an air bag locking binding belt on the two concave ring grooves, so that the sealing and locking connection between the protective clothing body and the headgear body is realized.
Further, the air bag belt body is a single air bag special-shaped structure belt body with an arc-shaped outer protruding structure on the inner side and a flat structure on the outer side, and the magic tape is arranged on the outer side face of the air bag belt body.
Still further, still be equipped with the gasbag locking bandage that is used for the sealed comfortable cinching of base of wearing portion of the body on the base edge of wearing portion of the body, still be equipped with the gasbag locking bandage that is used for the sealed comfortable cinching of its cuff on the cuff edge of sleeve portion.
Still further, the invention also comprises a protective trousers composed of a trouser head part, a trouser crotch part and trouser legs, wherein the top edge of the trouser head part is also provided with an air bag locking bandage for sealing and comfortably binding the top edge of the trouser head part, and the bottom edge of the trouser legs is also provided with an air bag locking bandage for sealing and comfortably binding the bottom edge of the trouser legs.
The invention has the beneficial effects that: the collar part and the neck sleeve part of the head sleeve body are respectively sleeved on the collar part through the structure that the collar part and the air bag locking binding band are arranged between the collar part of the protective clothing body and the neck sleeve part of the head sleeve body, and then the collar part and the neck sleeve part are respectively bound on the collar part through the air bag locking binding band, so that the protective clothing body and the head sleeve body are connected together in a sealing, seamless and safe way, and any one of the protective clothing body and the head sleeve body can be independently detached without affecting the sealing, seamless and safe connection between the protective clothing body and the collar part, thereby being convenient for people to conveniently detach one part of the protective clothing body and the head sleeve body during the middle and rest of wearing application process and reducing time and trouble of repeated and complete wearing; secondly, by using the air bag locking binding belt, the air bag belt is used as a binding and binding belt body, the air bag belt after air inflation has the characteristics of softness and good fitting property, and can be wrapped on the collar along with the appearance shape of the limb, so that gaps between the surface of the air bag belt and the surfaces of the collar part and the neck sleeve part, and between the collar part and the surfaces of the collar part and the neck sleeve part are eliminated, and external germs and toxic gases are effectively prevented from entering the inside of the air bag belt, so that the safety of people is protected; thirdly, the cervical collar is used as a binding support body, so that the difficult and uncomfortable breathing problem caused by cervical tightening can not occur in the wearing process of the invention, and the invention has the advantages of comfortable and safe wearing; fourthly, the use of the magic tape on the air bag locking tie and the use of the limiting convex ring and the concave ring groove are very convenient to use and tie, so that the air bag locking tie is firmly locked and cannot be loosened naturally; fifth, through the application of the extension air bag part and the inner side inclined plane structure thereof on the air bag locking binding belt, the gap left by the folding binding of the binding belt ring and the air bag locking binding belt can be effectively eliminated, so that the binding sealing performance is better, the outside germs and toxic gases are effectively prevented from entering the inside of the binding belt, and the physical and mental health and safety of people are effectively protected.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view showing the partial structure of the protective jacket according to the present invention.
FIG. 3 is an enlarged schematic view of the cross-sectional structure between the collar and the airbag locking strap of the present invention.
Fig. 4 is an enlarged view of a partial construction of the leg portion of the pants and the air bag locking tie of the present invention.
Fig. 5 is a schematic top view of the air bag locking strap of the present invention.
Detailed Description
As shown in fig. 1 and 2, the split type easy-to-wear safety protective garment with the collar and the air bag in a sealing and locking manner comprises a protective garment body 1 and a head cover body 2, wherein the protective garment body 1 is composed of a body wearing part 11, a sleeve part 12 and a collar part 13, and the head cover body 2 is composed of a head cover part 21 and a neck cover part 22; in order to achieve the object of the present invention, as shown in fig. 1 and 2, the present invention further comprises a collar 3 and an airbag locking strap 4, wherein the collar 3 is a circular or oval tube structure having a hollow cavity capable of passing through the head of a human body, and two concave ring grooves 31 distributed in an upper and lower structure are further provided on the outer side surface of the collar 3, so as to limit the airbag locking strap 4, and the orientation of the strap is easier to find. A limiting convex ring 32 is further arranged between the two concave ring grooves 31, and the limiting convex ring 32 can enable the neck sleeve part 22 and the collar part 13 to be easily informed of whether the neck sleeve part 22 and the collar part 13 are sleeved in place or not when the neck sleeve part 22 and the collar part 13 are sleeved on the collar 3, so that convenience in the application process is improved.
As shown in fig. 2 and 5, the air bag locking strap 4 comprises an air bag strap body 41, a velcro 42, a strap ring 43, and an extension air bag portion 44, wherein the velcro 42 is arranged on the surface of the air bag strap body 41 along the length direction of the air bag strap body 41; the strap ring 43 is disposed at one end of the airbag belt body 41, and the other end of the airbag belt body 41 passes through the strap ring 43 and then is folded back to be adhered to the surface of the airbag belt body 41, i.e., the lower end in fig. 4 and fig. 5. The extension air bag part 44 is arranged on the end part of the air bag belt body 41 beside the bandage ring 43 and is communicated with the inside of the air bag belt body 41 into a whole, and the inner side surface of the extension air bag part 44 is provided with an inner inclined surface structure 441 which is inclined from the end part connected with the air bag belt body 41 to the other end of the extension air bag part, so that the gap left by folding and binding the bandage ring and the air bag locking bandage is effectively eliminated, the binding sealing performance is better, the outside germs and toxic gases are effectively prevented from entering the inside of the binding belt body, and the physical and mental health and safety of people are effectively protected.
As shown in fig. 1 and 2, when in use, the neck sleeve portion 22 and the collar portion 13 are respectively sleeved on the two concave ring grooves 31 of the collar 3 correspondingly, and the neck sleeve portion 22 and the collar portion 13 are respectively sealed and fastened in the corresponding concave ring grooves 31 by respectively binding one air bag locking strap 4 on the two concave ring grooves 31, so that the sealing and locking connection between the protective clothing body 1 and the head cover body 2 is realized.
In order to make the airbag belt 41 fit with the concave ring groove 31 of the collar 3 better, as shown in fig. 3, the airbag belt 41 is a single-airbag special-shaped structure belt body with an arc-shaped convex structure 411 on the inner side and a flat structure 412 on the outer side, and the magic tape 42 is arranged on the outer side of the airbag belt 41.
In order to facilitate people to supplement or deflate the air bag belt body 41 or adjust the air quantity and saturation of the air bag belt body 41 as required, as shown in fig. 2 and 5, the air bag belt body 41 is further provided with an air charging and discharging nozzle 45, and a valve core (not shown in the drawings) with unidirectional air inlet is designed in the air charging and discharging nozzle 45, and the valve core structure can be referred to by a person skilled in the art as an air tap structure of a tire, a bicycle tire or a basketball.
In order to improve the protection performance of other parts of the protective clothing body 1 against external germs and toxic gases, as shown in fig. 1, an air bag locking strap 4 for sealing and tightly binding the bottom edge of the body wearing part 11 is further arranged on the bottom edge of the body wearing part 11, and an air bag locking strap 4 for sealing and tightly binding the cuffs of the sleeve part 12 is further arranged on the cuff edge of the sleeve part 12. Meanwhile, the invention further comprises a protective trousers 5 which is matched with the protective clothing body 1 and consists of a trouser head part 51, a trouser crotch part 52 and trouser leg parts 53, wherein the top edge of the trouser head part 51 is also provided with an air bag locking bandage 4 for sealing and comfortably binding the top edge of the trouser head part 51, and the bottom edge of the trouser leg parts 53 is also provided with an air bag locking bandage 4 for sealing and comfortably binding the bottom edge of the trouser leg parts 53. As shown in fig. 4, the air bag locking strap 4 comprises an air bag strap body 41, a velcro 42, a strap ring 43 and an extended air bag portion 44, wherein the velcro 42 is arranged on the surface of the air bag strap body 41 along the length direction of the air bag strap body 41; the strap ring 43 is arranged on one end of the air bag strap body 41, and the other end of the air bag strap body 41 passes through the strap ring 43 and then is folded back to be adhered to the surface of the air bag strap body 41; the extension airbag portion 44 is provided at an end portion of the airbag band 41 located beside the band ring 43 and is integrally connected to the inside of the airbag band 41, and an inner side surface of the extension airbag portion 44 is provided as an inner inclined surface structure 441 inclined from the end portion connected to the airbag band 41 toward the other end thereof. At this time, the airbag belt 41 may be a single airbag belt body having a flat structure with an inner side and an outer side, and the velcro tape 42 is disposed on the outer side of the airbag belt 41.
Similarly, the air bag belt 41 is further provided with an air charging/discharging nozzle 45.
As shown in fig. 1, the front side of the head cover 21 is further provided with an integrally formed transparent observation portion 211, so that people can observe things outside after wearing the head cover.
The inflation and deflation nozzle 45 of the present invention can use an external manual inflation pump or an electric inflation pump to inflate the airbag belt 41.
The protective garment of the present invention should be generally provided with an air supply pipe for use together with an oxygen supply facility for the protective jacket during application thereof, so as to supply oxygen to the headgear body 2, thereby avoiding choking accidents of the wearer. Meanwhile, a one-way exhaust valve is arranged on the head cover body 2 to exhaust the exhaust gas exhaled by the human body.
The above description of the structural schemes is an embodiment of the preferred embodiments of the present invention, but it does not represent a limitation of the protection scope of the technical scheme of the present invention. It should be noted herein that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention, and these modifications and improvements fall within the scope of the invention.
Claims (9)
1. The utility model provides a split type safety protection clothes of neck ring and sealed locking of gasbag, includes protective clothing body (1), headgear body (2), protective clothing body (1) comprises body wearing portion (11), coat-sleeve portion (12) and collar portion (13), headgear body (2) comprise headgear portion (21) and neck cover portion (22), its characterized in that: also comprises a collar (3) and an air bag locking bandage (4), wherein
The cervical collar (3) is of a circular or elliptical tube body structure which can penetrate through a hollow cavity of the head of a human body, two concave ring grooves (31) which are distributed in an upper-lower structure are further arranged on the outer side surface of the cervical collar (3), and a limiting convex ring (32) is further arranged between the two concave ring grooves (31);
the air bag locking bandage (4) comprises an air bag belt body (41), a magic tape (42), a bandage ring (43) and an extension air bag part (44), wherein the magic tape (42) is arranged on the surface of the air bag belt body (41) along the length direction of the air bag belt body (41); the bandage ring (43) is arranged at one end of the air bag belt body (41), and the other end of the air bag belt body (41) passes through the bandage ring (43) and then is folded back to be adhered to the surface of the air bag belt body (41); the extension air bag part (44) is arranged on the end part of the air bag belt body (41) beside the binding belt ring (43) and is communicated with the inside of the air bag belt body (41) into a whole, and the inner side surface of the extension air bag part (44) is provided with an inner inclined surface structure (441) which is inclined from the end part connected with the air bag belt body (41) to the other end of the extension air bag part;
the neck sleeve part (22) and the collar part (13) are respectively sleeved on the two concave ring grooves (31) of the collar (3) correspondingly, and the neck sleeve part (22) and the collar part (13) are respectively sealed and fastened in the corresponding concave ring grooves (31) by respectively binding an air bag locking binding belt (4) on the two concave ring grooves (31), so that the sealing and locking connection between the protective clothing body (1) and the head cover body (2) is realized.
2. The split wearable safety suit of claim 1, wherein the collar is sealed to the airbag, and wherein: the air bag belt body (41) is a single air bag special-shaped structure belt body with an arc-shaped outer protruding structure (411) on the inner side and a flat structure (412) on the outer side, and the magic tape (42) is arranged on the outer side face of the air bag belt body (41).
3. The split wearable safety suit of claim 2, wherein the collar is sealed to the airbag, and wherein: an air charging and discharging nozzle (45) is also arranged on the air bag belt body (41).
4. The split wearable safety suit of claim 1, wherein the collar is sealed to the airbag, and wherein: the inflatable body wearing part is characterized in that an air bag locking strap (4) used for sealing and tightly binding the bottom edge of the body wearing part (11) is further arranged on the bottom edge of the body wearing part (11), and an air bag locking strap (4) used for sealing and tightly binding the cuffs of the sleeve part is further arranged on the cuffs of the sleeve part (12).
5. The split wearable safety suit of claim 1, wherein the collar is sealed to the airbag, and wherein: the pair of trousers further comprises a protective trousers (5) composed of a trousers head (51), a trousers crotch (52) and trousers legs (53), wherein the top edge of the trousers head (51) is further provided with an air bag locking bandage (4) used for sealing and tightly binding the top edge of the trousers head (51), and the bottom edge of the trousers legs (53) is further provided with an air bag locking bandage (4) used for sealing and tightly binding the bottom edge of the trousers legs (53).
6. The split wearable safety suit of claim 4 or 5, wherein the collar is sealed to the airbag, and wherein: the air bag locking bandage (4) comprises an air bag belt body (41), a magic tape (42), a bandage ring (43) and an extension air bag part (44), wherein the magic tape (42) is arranged on the surface of the air bag belt body (41) along the length direction of the air bag belt body (41); the bandage ring (43) is arranged at one end of the air bag belt body (41), and the other end of the air bag belt body (41) passes through the bandage ring (43) and then is folded back to be adhered to the surface of the air bag belt body (41); the extension airbag part (44) is arranged on the end part of the airbag belt body (41) beside the bandage ring (43) and communicated with the inside of the airbag belt body (41) into a whole, and the inner side surface of the extension airbag part (44) is provided with an inner inclined surface structure (441) inclined from the end part connected with the airbag belt body (41) to the other end of the extension airbag part.
7. The split wearable safety suit of claim 6, wherein the collar is sealed to the airbag, and wherein: the air bag belt body (41) is a single air bag belt body with an inner side surface and an outer side surface and in a flat structure, and the magic tape (42) is arranged on the outer side surface of the air bag belt body (41).
8. The split wearable safety suit of claim 7, wherein the collar is sealed to the airbag, and wherein: an air charging and discharging nozzle (45) is also arranged on the air bag belt body (41).
9. The split wearable safety suit of claim 1, wherein the collar is sealed to the airbag, and wherein: the front side surface of the head cover part (21) is also provided with an integrally formed transparent observation part (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010238120.0A CN116671682A (en) | 2020-03-30 | 2020-03-30 | Split type easy-to-wear safety protection garment with collar and air bag sealed and locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010238120.0A CN116671682A (en) | 2020-03-30 | 2020-03-30 | Split type easy-to-wear safety protection garment with collar and air bag sealed and locked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116671682A true CN116671682A (en) | 2023-09-01 |
Family
ID=87785952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010238120.0A Pending CN116671682A (en) | 2020-03-30 | 2020-03-30 | Split type easy-to-wear safety protection garment with collar and air bag sealed and locked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116671682A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29619229U1 (en) * | 1996-11-06 | 1997-01-02 | Bakker, Susanne, 53229 Bonn | Protective clothing part for a person's cervical spine |
| WO2014125368A2 (en) * | 2013-02-15 | 2014-08-21 | Helite | Personal protective equipment for protecting a user |
| CN207927846U (en) * | 2018-03-15 | 2018-10-02 | 肖昆 | A kind of medical image protective garment |
| CN208318327U (en) * | 2018-05-31 | 2019-01-04 | 成都市恒达纺织品有限公司 | A kind of bicycle riding apparel |
| CN208639644U (en) * | 2018-05-11 | 2019-03-26 | 西安医学院 | A kind of clothes that immediate treatment can be carried out to limb injury |
| CN110477479A (en) * | 2019-09-18 | 2019-11-22 | 郑州轻工业学院 | A kind of outdoor wear having water purification function |
| CN209931551U (en) * | 2018-12-27 | 2020-01-14 | 西安雷晶新材料科技有限公司 | Organic fiber protective clothing for petroleum operation |
| CN213428419U (en) * | 2020-03-30 | 2021-06-15 | 唐腊辉 | Split type easy-to-wear safety protective clothing with neck ring and air bag sealed and locked |
-
2020
- 2020-03-30 CN CN202010238120.0A patent/CN116671682A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29619229U1 (en) * | 1996-11-06 | 1997-01-02 | Bakker, Susanne, 53229 Bonn | Protective clothing part for a person's cervical spine |
| WO2014125368A2 (en) * | 2013-02-15 | 2014-08-21 | Helite | Personal protective equipment for protecting a user |
| CN207927846U (en) * | 2018-03-15 | 2018-10-02 | 肖昆 | A kind of medical image protective garment |
| CN208639644U (en) * | 2018-05-11 | 2019-03-26 | 西安医学院 | A kind of clothes that immediate treatment can be carried out to limb injury |
| CN208318327U (en) * | 2018-05-31 | 2019-01-04 | 成都市恒达纺织品有限公司 | A kind of bicycle riding apparel |
| CN209931551U (en) * | 2018-12-27 | 2020-01-14 | 西安雷晶新材料科技有限公司 | Organic fiber protective clothing for petroleum operation |
| CN110477479A (en) * | 2019-09-18 | 2019-11-22 | 郑州轻工业学院 | A kind of outdoor wear having water purification function |
| CN213428419U (en) * | 2020-03-30 | 2021-06-15 | 唐腊辉 | Split type easy-to-wear safety protective clothing with neck ring and air bag sealed and locked |
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