CN113940476A - Intelligent fire fighting helmet with adjustable leading panel - Google Patents
Intelligent fire fighting helmet with adjustable leading panel Download PDFInfo
- Publication number
- CN113940476A CN113940476A CN202010687426.4A CN202010687426A CN113940476A CN 113940476 A CN113940476 A CN 113940476A CN 202010687426 A CN202010687426 A CN 202010687426A CN 113940476 A CN113940476 A CN 113940476A
- Authority
- CN
- China
- Prior art keywords
- module
- helmet
- groove
- installing
- acquisition module
- 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
Images
Classifications
-
- 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
- A42B3/30—Mounting radio sets or communication systems
-
- 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
- A42B3/0433—Detecting, signalling or lighting devices
- A42B3/044—Lighting devices, e.g. helmets with lamps
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/324—Adjustable helmets
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
The invention relates to the technical field of fire fighting equipment, in particular to a front panel adjustable intelligent fire fighting helmet which comprises a helmet body. According to the front panel adjustable intelligent fire-fighting helmet, the front functional modules of the built-in single chip microcomputer, the storage module, the wireless communication module, the SOS rescue module, the loudspeaker module, the audio acquisition module, the LED lighting module and the video acquisition module are mounted at the front end in the helmet body, and meanwhile, audio and video are synchronously output and input, so that the functionality and the practicability of the whole fire-fighting helmet can be greatly improved; bottom control mechanism with adjustable be used for mounting structure is offered in leading functional module lower extreme internally mounted seat bottom, and people can change multifunctional module's structure and position as required, make its use more convenient, can enlarge the distance of wearing person's eyeball through the angle of adjusting liquid crystal display simultaneously, make things convenient for its use and operation to can promote its surface safety nature under daily state, life prolongs greatly.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a front panel adjustable intelligent fire fighting helmet.
Background
The fire-fighting helmet is composed of a helmet shell, a face mask, a shawl, a buffer layer and the like, is designed in a half helmet mode, is novel in style, has the performances of preventing sharp object impact, preventing corrosion, preventing heat radiation, reflecting light, insulating, being light and the like, can be worn in the helmet, is provided with an air respirator and a wireless communication system, and has an obvious reflecting mark.
With the development of science and technology, the protection power and adaptability of the old-fashioned helmet cannot meet the requirements of modern fire-fighting work. As a result, many countries have developed new composite helmets. The original fire fighting helmet in China adopts the helmet form of army, and the material is phenolic glass fiber reinforced plastics. Then, an inserted protective mask and a combined waterproof cape are additionally arranged, so that the fireproof and heat-insulating properties are improved. The helmet liner is improved, the safety distance between the helmet tops is increased, and the shock-resistant absorption performance is improved.
Present fire control helmet simple structure in order to promote its functionality, can install multiple smart machine on the helmet, and the most fixed structure of smart machine, unable adjusting position as required also can't show video data in real time, leads to using and the display mode limitation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that exists among the above-mentioned background art, provide an intelligent fire helmet with adjustable leading panel of modified, solve present fire helmet simple structure, in order to promote its functionality, can install multiple smart machine on the helmet, and the most structure of smart machine is fixed, can't adjust the position as required, also can't show video data in real time, lead to the problem of use and display mode limitation.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent fire-fighting helmet with an adjustable front panel comprises a helmet body, a built-in single chip microcomputer, a storage module, a wireless communication module, an SOS rescue module, a speaker module, an audio acquisition module, a front function module of an LED lighting module and a video acquisition module, a rear energy supply module of a built-in lithium battery power supply module, an infrared temperature sensor, a liquid crystal display screen and a manual switch panel for controlling the wireless communication module, the SOS rescue module, the speaker module, the audio acquisition module, the LED lighting module, the video acquisition module and the liquid crystal display screen, wherein the upper end of the outer side surface of the helmet body is provided with an arc-shaped external installation convex strip which protrudes upwards, the front end of the outer side surface of the helmet body is provided with a front convex seat which protrudes forwards, the front function module comprises an internal installation seat which is installed inside the helmet body and a front installation seat which is integrally fixed with the internal installation seat, leading convex seat openly offer the front end installing port that is used for installing anterior mount pad, interior mount pad insert the front end installing port through anterior mount pad inside and helmet body is connected, leading functional module and rearmounted energy supply module between be located the integrative structure arc internal connection board of the inside fixedly connected with of the external installation sand grip of arc, interior mount pad lower surface set up front end open-ended under put the adjustment tank, under put the inside sliding connection of adjustment tank have the bottom control mechanism who is used for installing speaker module, audio acquisition module and liquid crystal display.
Furthermore, in order to match and connect, the upper end of the inner side surface of the lower adjusting groove is provided with an inner sliding groove, the bottom control mechanism comprises an internal translation mounting frame arranged in the internal sliding chute and an internal overturning mounting plate arranged in the opening at the lower end of the lower adjusting chute, the left side of the front end of the internal translation mounting frame and the right side of the front end of the internal turnover mounting plate are both provided with an integrated structure assembly shaft cylinder, the internal translation mounting frame and the internal turnover mounting plate are movably connected through an internal assembly rotating shaft which transversely penetrates through the interior of the assembly shaft cylinder, lateral limiting clamping grooves are arranged on the two sides of the lower end opening of the inner side surface of the lower adjusting groove, lateral limiting clamping blocks which are of an integral structure and protrude outwards are arranged on the two sides of the inner overturning mounting plate corresponding to the lateral limiting clamping grooves, the inner overturning mounting plate is inserted into the lateral limiting clamping groove through the lateral limiting clamping block and is connected with the lower adjusting groove.
Further, in order to promote the assembly firmness and stability, the inner inside wall of the inner sliding groove is provided with an internal extrusion spring, and the connecting surface of the front end inner side surface of the lateral limiting clamping groove and the front end of the lateral limiting clamping block is an extrusion limiting inclined plane which is gradually reduced from the front to the back.
Furthermore, in order to be matched with the installation control mechanism, the lower surface of the internal installation seat is positioned at one side of the lower adjusting groove and is provided with a lower fixed installation groove for installing the manual control switch panel.
Further, for the convenience of installation fixed, inside upset mounting panel medial surface on offer the inside mounting groove that is used for installing liquid crystal display, put down interior top mounting groove that offers on the top surface of adjustment tank and be used for installing speaker module and audio acquisition module.
Further, in order to improve the safety protection capability, the transparent protective eye cover used for improving the external safety is fixedly installed on the outer side face of the internal overturning installation plate through bolts.
Further, in order to be installed in a matched mode, the infrared temperature sensor, the LED lighting module and the video acquisition module are installed and fixed inside the front installation seat, and the single chip microcomputer, the storage module, the wireless communication module and the SOS rescue module are fixedly installed inside the inner installation seat.
The invention has the beneficial effects that:
(1) according to the front panel adjustable intelligent fire-fighting helmet, the front functional modules of the built-in single chip microcomputer, the storage module, the wireless communication module, the SOS rescue module, the loudspeaker module, the audio acquisition module, the LED lighting module and the video acquisition module are mounted at the front end in the helmet body, and meanwhile, audio and video are synchronously output and input, so that the functionality and the practicability of the whole fire-fighting helmet can be greatly improved;
(2) the bottom of the internal mounting seat at the lower end of the front functional module is provided with the adjustable bottom control mechanism for mounting the structure, so that people can change the structure and the position of the multifunctional module according to needs, the multifunctional module is more convenient to use, the distance between eyeballs of a wearer can be enlarged by adjusting the angle of the liquid crystal display screen, the multifunctional module is convenient to use and operate, the surface safety of the multifunctional module can be improved in a daily state, and the service life of the multifunctional module is greatly prolonged;
(3) the positions of the internal translation mounting frame and the internal turnover mounting plate are fixed by inserting the lateral limiting clamping blocks into the lateral limiting clamping grooves through the internal turnover mounting plate, so that the internal translation mounting frame is convenient to overturn and store, and the operation is very simple and convenient.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure in the present invention.
Fig. 3 is an internal sectional view of the front functional module of the present invention.
In the figure, the helmet comprises a helmet body 1, a loudspeaker module 2, an audio acquisition module 3, an LED illumination module 4, a video acquisition module 5, a front function module 6, a rear energy supply module 7, an infrared temperature sensor 8, a liquid crystal display screen 9, a manual control switch panel 10, an arc-shaped external installation convex strip 11, a front convex seat 12, an internal installation seat 13, a front installation seat 14, a front installation seat 15, a front installation port 16, an arc-shaped internal connection plate 17, a lower adjustment groove 18, an internal sliding groove 19, an internal translation installation frame 20, an internal overturning installation plate 21, an assembly shaft cylinder 22, a lateral limiting clamping groove 23, a lateral limiting clamping block 24, an internal extrusion spring 25, a lower fixing installation groove 26, an internal installation groove 27, an internal top installation groove 27 and a transparent eye shield 28.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
FIG. 1, intelligent fire helmet with adjustable fig. 2 and 3 show, including helmet body 1, built-in singlechip, storage module, wireless communication module, SOS rescue module, speaker module 2, audio acquisition module 3, leading functional module 6 of LED lighting module 4 and video acquisition module 5, the rearmounted energy supply module 7 of built-in lithium cell power module, infrared temperature sensor 8, liquid crystal display 9 and be used for controlling wireless communication module, SOS rescue module, speaker module 2, audio acquisition module 3, LED lighting module 4, manual switch panel 10 of video acquisition module 5 and liquid crystal display 9, helmet body 1 lateral surface upper end has upwards bellied arc external installation sand grip 11, helmet body 1 lateral surface front end has preceding convex seat 12 protruding forward, leading functional module 6 is including installing inside mount 13 and the anterior mount pad of integrative fixed knot structure with inside mount 13 in helmet body 1, the leading functional module 6 is including installing inside mount 13 and the anterior mount pad 13 of integrative fixed knot structure 14, leading convex seat 12 openly offers the front end installing port 15 that is used for installing anterior mount pad 14, interior mount pad 13 is connected with helmet body 1 through leading mount pad 14 inserts that the front end installing port is inside, lie in the integrative structure arc internal connection board 16 of the external fixedly connected with of the external installation sand grip 11 of arc between leading function module 6 and the rearmounted energy supply module 7, leading open-ended underneath adjustment tank 17 has been offered to interior mount pad 13 lower surface, underneath the inside sliding connection of adjustment tank 17 has and is used for installing speaker module 2, audio acquisition module 3 and liquid crystal display 9's bottom control mechanism.
Example (b): people now take the helmet at the head, then turn over inside upset mounting panel 20 downwards, peel off the spacing fixture block 23 in side direction of the spacing fixture block 23 of inside upset mounting panel 20 both sides and incline spacing draw-in groove 22, the mode of peeling off presses inside upset mounting panel 20 earlier and inwards presses for produce the clearance between spacing fixture block 23 in side direction and the spacing draw-in groove 22 in side direction, outwards overturn again, inside upset mounting panel 20 controls liquid crystal display 9 through installation distance sensor or press the switch on the medial surface and opens and close.
Wherein singlechip, storage module, wireless communication module, SOS rescue module, speaker module 2, audio acquisition module 3, LED lighting module 4 and video acquisition module 5, lithium cell power module, infrared temperature sensor 8, liquid crystal display 9 are market direct purchase.
Further, for the cooperation connection, the internal sliding groove 18 has been seted up to the lower adjustment tank 17 medial surface upper end, bottom control mechanism is including installing at the inside translation installing frame 19 of internal sliding groove 18 and installing at the inside upset mounting panel 20 of lower extreme opening inside of lower adjustment tank 17, the left side of 19 front ends of inside translation installing frame and the inside upset mounting panel 20 front end right side all have an organic whole structure assembly reel 21, inside translation installing frame 19 and inside upset mounting panel 20 are through transversely running through the inside assembly pivot swing joint of assembly reel 21 inside, the lateral limiting clamping groove 22 has been seted up to lower adjustment tank 17 medial surface position in lower extreme opening both sides between inside translation installing frame 19 and the inside upset mounting panel 20, the corresponding lateral limiting clamping groove 22 position in inside upset mounting panel 20 both sides has the lateral limiting clamping block 23 of convex integrative structure lateral limiting clamping groove 23 in the outside, inside upset mounting panel 20 inserts the lateral limiting clamping groove 22 through lateral limiting clamping block 23 and inside and lower adjustment tank 17 looks mutually Connect, further, in order to promote assembly firmness and stability, install inside extrusion spring 24 on the inner inside wall of inside spout 18, the spacing draw-in groove 22 front end medial surface of side direction and the spacing fixture block 23 front end connection face of side direction are the spacing inclined plane of extrusion that highly reduces gradually backward from the past.
Wherein the damping between inside translation installing frame 19 and the inside upset mounting panel 20 provides the rotational damping through internally mounted pivot 22, can adopt the metal pole outside to cup joint the rubber sleeve and realize, can promote frictional force and make things convenient for the deformation card to go into and turn over through the installation rubber pad between lateral direction fibre draw-in groove 22 and the lateral direction spacing fixture block 23.
Further, in order to cooperate with the installation control mechanism, the lower surface of the inner mounting base 13 is located on one side of the lower adjusting groove 17 and is provided with a lower fixing mounting groove 25 for installing the manual control switch panel 10, further, in order to facilitate the installation and fixation, the inner side surface of the inner overturning mounting plate 20 is provided with an inner mounting groove 26 for installing the liquid crystal display 9, and the inner top mounting groove 27 for installing the speaker module 2 and the audio acquisition module 3 is arranged on the inner top surface of the lower adjusting groove 17.
Further, in order to improve the safety protection capability, a transparent protective eye cover 28 used for improving the external safety is fixedly mounted on the outer side face of the internal overturning mounting plate 20 through bolts, further, in order to be mounted in a matched mode, the infrared temperature sensor 8, the LED lighting module 4 and the video acquisition module 5 are fixedly mounted inside the front mounting seat 14, and the single chip microcomputer, the storage module, the wireless communication module and the SOS rescue module are fixedly mounted inside the internal mounting seat 13.
The transparent eye shield 28 serves to protect the panel in a horizontal position and prevent splash damage when turned over.
According to the front panel adjustable intelligent fire-fighting helmet, the built-in single chip microcomputer, the storage module, the wireless communication module, the SOS rescue module, the loudspeaker module 2, the audio acquisition module 3, the LED illumination module 4 and the front functional module 6 of the video acquisition module 5 are mounted at the front end in the helmet body 1, and meanwhile, audio and video are synchronously output and input, so that the functionality and the practicability of the whole fire-fighting helmet can be greatly improved; the bottom of the internal mounting seat at the lower end of the front functional module 6 is provided with the adjustable bottom control mechanism for mounting the structure, so that people can change the structure and the position of the multifunctional module according to needs, the multifunctional module is more convenient to use, the distance between eyeballs of a wearer can be enlarged by adjusting the angle of the liquid crystal display screen 9, the multifunctional module is convenient to use and operate, the surface safety of the multifunctional module can be improved in a daily state, and the service life of the multifunctional module is greatly prolonged; the positions of the internal translation mounting frame 19 and the internal turnover mounting plate 20 are fixed by inserting the lateral limiting clamping block 23 into the lateral limiting clamping groove 22 through the internal turnover mounting plate 20, so that the internal translation mounting frame is convenient to turn over and store, and the operation is very simple and convenient.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an intelligence fire helmet with adjustable leading panel, including helmet body (1), built-in singlechip, storage module, wireless communication module, SOS rescue module, speaker module (2), audio acquisition module (3), leading functional module (6) of LED lighting module (4) and video acquisition module (5), built-in lithium cell power module's rearmounted energy supply module (7), infrared temperature sensor (8), liquid crystal display (9) and be used for controlling wireless communication module, SOS rescue module, speaker module (2), audio acquisition module (3), LED lighting module (4), manual switch panel (10) of video acquisition module (5) and liquid crystal display (9), characterized by: the helmet is characterized in that an arc-shaped external installation convex strip (11) protruding upwards is arranged at the upper end of the outer side face of the helmet body (1), a front convex seat (12) protruding forwards is arranged at the front end of the outer side face of the helmet body (1), the front functional module (6) comprises an internal installation seat (13) installed inside the helmet body (1) and a front installation seat (14) of an integrated fixing structure with the internal installation seat (13), a front end installation port (15) used for installing the front installation seat (14) is arranged on the front side of the front convex seat (12), the internal installation seat (13) is inserted into the front end installation port (15) through the front installation seat (14) and is connected with the helmet body (1), an arc-shaped internal connecting plate (16) of an integrated structure is fixedly connected between the front functional module (6) and the rear energy supply module (7) and positioned inside the arc-shaped external installation convex strip (11), interior mount pad (13) lower surface seted up front end open-ended and put regulating groove (17) down, the inside sliding connection of putting regulating groove (17) down have the bottom control mechanism who is used for installing speaker module (2), audio acquisition module (3) and liquid crystal display (9).
2. The intelligent fire-fighting helmet with adjustable front panel of claim 1, wherein: the lower adjusting groove (17) is provided with an inner sliding groove (18) at the upper end of the inner side surface, the bottom control mechanism comprises an inner translation installing frame (19) arranged inside the inner sliding groove (18) and an inner overturning installing plate (20) arranged inside the lower end opening of the lower adjusting groove (17), the left side of the front end of the inner translation installing frame (19) and the right side of the front end of the inner overturning installing plate (20) are respectively provided with an integrated structure assembling shaft barrel (21), the inner translation installing frame (19) and the inner overturning installing plate (20) are movably connected through an inner assembling rotating shaft transversely penetrating through the inside of the assembling shaft barrel (21), the inner side surface of the lower adjusting groove (17) is positioned at the two sides of the lower end opening and is provided with lateral limiting clamping grooves (22), the two sides of the inner overturning installing plate (20) are provided with lateral limiting clamping blocks (23) of an integrated structure protruding towards the outside corresponding to the lateral limiting clamping grooves (22), the inner overturning mounting plate (20) is inserted into the lateral limiting clamping groove (22) through a lateral limiting clamping block (23) and is connected with the lower adjusting groove (17).
3. The intelligent fire-fighting helmet with adjustable front panel of claim 2, wherein: inside spout (18) inner inside wall on install inside extrusion spring (24), the spacing draw-in groove of side direction (22) front end medial surface and the spacing fixture block of side direction (23) front end connect the face and be the spacing inclined plane of extrusion that highly reduces gradually backward in the past.
4. The intelligent fire-fighting helmet with adjustable front panel of claim 1, wherein: and a lower fixed mounting groove (25) for mounting the manual switch panel (10) is formed in one side of the lower surface of the inner mounting seat (13) positioned in the lower adjusting groove (17).
5. The intelligent fire-fighting helmet with adjustable front panel of claim 2, wherein: inside upset mounting panel (20) medial surface on offer inside mounting groove (26) that are used for installing liquid crystal display (9), put down interior top mounting groove (27) that offer on the top surface of adjustment tank and be used for installing speaker module (2) and audio acquisition module (3).
6. The intelligent fire-fighting helmet with adjustable front panel of claim 1, wherein: and a transparent protective eye shield (28) for improving the external safety is fixedly arranged on the outer side surface of the internal overturning mounting plate (20) through bolts.
7. The intelligent fire-fighting helmet with adjustable front panel of claim 1, wherein: the infrared temperature sensor (8), the LED lighting module (4) and the video acquisition module (5) are fixedly installed inside the front installation seat (14), and the single chip microcomputer, the storage module, the wireless communication module and the SOS rescue module are fixedly installed inside the inner installation seat (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687426.4A CN113940476A (en) | 2020-07-16 | 2020-07-16 | Intelligent fire fighting helmet with adjustable leading panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687426.4A CN113940476A (en) | 2020-07-16 | 2020-07-16 | Intelligent fire fighting helmet with adjustable leading panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113940476A true CN113940476A (en) | 2022-01-18 |
Family
ID=79326319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010687426.4A Pending CN113940476A (en) | 2020-07-16 | 2020-07-16 | Intelligent fire fighting helmet with adjustable leading panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113940476A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116626904A (en) * | 2023-05-31 | 2023-08-22 | 广东电网有限责任公司广州供电局 | VR wearing device |
-
2020
- 2020-07-16 CN CN202010687426.4A patent/CN113940476A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116626904A (en) * | 2023-05-31 | 2023-08-22 | 广东电网有限责任公司广州供电局 | VR wearing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113940476A (en) | Intelligent fire fighting helmet with adjustable leading panel | |
| CN213405026U (en) | Intelligent fire fighting helmet with adjustable leading panel | |
| CN211747267U (en) | Angle-adjustable LED light-emitting cap | |
| CN113940473A (en) | Intelligent fire fighting helmet with overhead hidden storage mechanism | |
| CN212697863U (en) | Intelligent fire fighting helmet with overhead hidden storage mechanism | |
| CN213405036U (en) | Intelligent fire fighting helmet with front hidden turnover mechanism | |
| CN207236204U (en) | Safety cap | |
| CN213405025U (en) | Intelligent fire fighting helmet with front turnover mechanism | |
| CN208387959U (en) | A kind of high temperature resistant heat insulation type fire helmet | |
| CN207531950U (en) | A kind of multi-functional intelligent safety helmet | |
| GB2540143A (en) | A headwear device | |
| CN212697865U (en) | Intelligent fire fighting helmet with temperature warning device | |
| CN111820523A (en) | Intelligent fire fighting helmet with lateral overturning and containing device | |
| CN113940478A (en) | Intelligent fire fighting helmet with front hidden turnover mechanism | |
| CN112075711A (en) | Intelligent fire-fighting helmet with adjustable structure | |
| CN220936938U (en) | Safety helmet with illumination function based on lantern fish structure | |
| CN212697864U (en) | Intelligent fire fighting helmet with overhead rotary early warning device | |
| CN214630265U (en) | Multifunctional helmet with camera | |
| CN221059688U (en) | Multifunctional hat | |
| CN213881952U (en) | Warm-keeping breathable Bluetooth helmet | |
| CN212697873U (en) | Intelligent fire fighting helmet with lateral elastic cooling mechanism | |
| CN207613261U (en) | A kind of intelligence is ridden the helmet | |
| CN215124766U (en) | Intelligent safety helmet | |
| CN205353535U (en) | From wear -type hand -free night -time vision device of taking infrared and visible light light of components of a whole that can function independently | |
| CN217443674U (en) | Skiing mirror and clothing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |