Detachable anti-fog nose-protecting laser goggles

By designing removable anti-fog nose protection laser goggles, the problem of lenses not suitable for many wavelength lasers and replacement difficulties in the prior art is solved, the convenient replacement of lenses and personalized adaptation of nose bridge parts are achieved, and the goggles are improved Comfort, safety and anti-fog effect.

CN222444543UActive Publication Date: 2025-02-11TIANYISHAN XUEYI SOCIETY DOCTOR GROUP (HAINAN) CO LTD
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Patent Information

Application Number
CN202420508500.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2025-02-11
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

Existing laser goggles lenses are not suitable for lasers of many wavelengths, and it is difficult to replace goggles. The size design of the nose bridge of the goggles cannot match everyone's nose size well, resulting in goggles not effectively protecting the nose bridge. .

Method used

A detachable anti-fog nose protection laser goggles are designed, the lenses are connected to the snap device through screws, and a nose bridge is arranged on the lower side of the frame. The outer contour of the nose bridge is used to adapt to the nose bridge, and a slippery one is arranged on the nose bridge. Rail grooves to change the size of the nose bridge support for added comfort and safety.

Benefits of technology

It realizes convenient replacement of goggles lenses, adapts to a variety of laser environments, improves the fit between goggles and the wearer, enhances comfort and safety, and prevents goggles from fogging through the vent design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a detachable antifogging nose-protecting laser goggle, two sides of a lens are provided with cylindrical short columns extending upwards, threads are arranged in the short columns, the lens is connected with a buckle device through a screw, the buckle device comprises a rotating shaft and a buckle, and the buckle is used for being connected with a goggle frame; a nose bridge part is arranged on the lower side of the glasses frame, a nose bridge support is arranged in the nose bridge part, a sliding rail groove is formed in the inner side of the nose bridge part, a sliding block is arranged on the sliding rail groove, the nose bridge support is connected with the sliding block through a U-shaped supporting frame to drive the nose bridge support to slide on the sliding rail groove, so that the size of the nose bridge support is changed, and the nose bridge support is movably connected with the U-shaped supporting frame through a built-in magnet; vent holes are formed in the lower side of the nose bridge part and the upper side of the glasses frame and are used for circulation of air inside the goggles and external air, so that the fogging phenomenon of the goggles is relieved; the goggles frame is detachably connected with the lenses, so that the lenses of the goggles are convenient to replace, and the goggles can be suitable for laser with more wavelengths.
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Description

Technical Field

[0001] The utility model relates to the field of laser equipment protection, in particular to a detachable anti-fog nose-protecting laser goggles. Background Art

[0002] With the widespread application of laser technology in the medical field, such as laser surgery, laser therapy, etc., the demand for goggles is also increasing. At the same time, with the improvement of medical safety awareness, the demand for personal protective equipment by medical staff is also increasing, further promoting the development of the laser goggles market.

[0003] At present, one lens of laser goggles can only block lasers of a certain wavelength. In actual operation environments, replacing goggles is relatively cumbersome and unhygienic. Therefore, when workers face complex operating environments and need to replace goggles, it often takes a long time to prepare. The disinfection process after replacing goggles is also relatively complicated. In addition, the size of the nose protection part of the goggles is relatively fixed, which makes the wearer less comfortable. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a detachable anti-fog nose-protecting laser goggles, which is expected to solve the following problems: the laser protective goggles are not suitable for lasers of many wavelengths and it is difficult to replace the goggles; and the size design of the nose bridge of the goggles cannot be well matched with the size of each person's nose, resulting in the goggles being unable to effectively protect the nose bridge.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A detachable anti-fog nose-protecting laser goggles, specifically comprising the following:

[0007] A frame, wherein the interior of the frame is connected to the lens, and both sides of the lens are provided with cylindrical short columns extending upward, and the interior of the short columns is provided with threads, and the threads are used to connect with screws;

[0008] The lens is connected to the snap-on device via screws, and the snap-on device includes a rotating shaft and a snap-on. The rotating shaft is configured as a hollow structure with upper and lower ends of the rotating shaft connected. The diameter of the hollow structure of the rotating shaft is larger than the short column. The rotating shaft is connected to the short column via screws, and the snap-on device is used to connect to the frame and fix the lens, so that the lens blocks or filters laser radiation.

[0009] The connection concept is that the buckle device is nested and connected with the short column on the side of the lens through the rotating shaft, the screw is connected with the thread, and the buckle is clamped with the side of the frame, so as to fix the lens and the frame.

[0010] Furthermore, the lower side of the frame is a protrusion toward the upper side of the frame, the lower side of the protrusion is set as a nose bridge, and the outer contour of the nose bridge is used to fit the nose bridge;

[0011] Wherein, a second vent corresponding to the nostril is arranged at the lower side of the nose bridge, and the second vent is used to pass through the inner cavity of the nose bridge to communicate with the outside atmosphere;

[0012] It should be noted that the frame part is separated from the bridge of the nose in order to prevent the gas exhaled from the nostrils from fogging up the goggles.

[0013] The nose bridge portion is provided with a nose bridge support, and the nose bridge portion is provided with a slide rail groove; the nose bridge support is an upwardly protruding arch structure, and the nose bridge support is slidably connected with the slide rail groove through a slider, and the slider is connected with the nose bridge support through a U-shaped support frame provided on the nose bridge support, and the U-shaped support frame and the slider are connected to each other through a mortise and tenon structure;

[0014] It should be noted that the slider and the slide rail groove are nested and connected, and when the user applies external force to the slider, the slider slides along the groove.

[0015] The slide rail groove includes a first slide rail groove on the left side of the nose bridge, a second slide rail groove on the right side of the nose bridge, and a third slide rail groove on the upper side of the nose bridge, the nose bridge is connected to the nose bridge through the slide rail groove, and the first slide rail groove and the second slide rail groove are placed horizontally, and the third slide rail groove is placed vertically;

[0016] It should be noted that the arched structure of the nose bridge has a certain thickness, which can provide a certain degree of protection for the nose bridge. At the same time, the goggles can play a certain fixing role through the setting of the nose bridge, dispersing part of the pressure of the fixing strap.

[0017] A second ventilation hole is arranged at the lower side of the nose bridge, and a first ventilation hole cooperating with the second ventilation hole is arranged at the upper side of the frame. The second ventilation hole and the first ventilation hole maintain the air circulation inside the frame and keep the temperature close to the outside.

[0018] Furthermore, the outer side of the frame is connected to a fixing strap, and the fixing strap includes a first fixing strap and a second fixing strap, the first fixing strap is connected to the left side of the frame through a first fixing buckle, and the second fixing strap is connected to the right side of the frame through a second fixing buckle; the first fixing strap is connected to the second fixing strap through a second movable buckle provided at the end of the second fixing strap, and the second fixing strap is connected to the first fixing strap through a first movable buckle provided at the end of the first fixing strap.

[0019] It should be noted that the length of the slide rail groove is determined by the minimum width and length of the nose bridge. The data can refer to the specific data disclosed by relevant departments and can be adjusted according to actual production needs without affecting the comfort of the nose bridge.

[0020] It should be noted that the fixing belt can be an elastic band that does not require a buckle, or a fixing belt that is fixed by a buckle.

[0021] Furthermore, a rubber block is provided on the inner side of the nose bridge, the slide rail groove is opened in the rubber block, and the heights of both sides of the edge of the slide rail groove are consistent with the thickness of the rubber block.

[0022] It should be noted that the rubber block has thickness, and its thickness is determined by the approximate height from the bridge of the nose to the base of the nose of the goggles. For specific data, please refer to the existing information on the Internet.

[0023] Furthermore, the nose bridge pad is made of polyester, and has certain elasticity and thickness.

[0024] The design concept is: polyester material has good moisture absorption and perspiration performance, can quickly discharge sweat and dry quickly, keep dry, so polyester material is chosen to contact the bridge of the nose. In addition, polyester material also has good wear resistance and elasticity, which can keep the bridge of the nose in a relatively comfortable state.

[0025] Furthermore, the slider is provided with a vertical strip groove, the upper part of the U-shaped support frame is a U-shaped rod, and the lower end is provided with a strip rod, and the strip rod matches the shape and size of the vertical strip groove. The U-shaped rod is connected to the strip rod through a cylindrical rod, the U-shaped rod is movably connected to the cylindrical rod, and the strip rod is fixedly connected to the cylindrical rod.

[0026] Furthermore, the nose bridge support and the upper end of the U-shaped support frame are both provided with slots for embedding magnets, and the magnets are fixed in the slots.

[0027] It should be noted that the nose pad and the U-shaped support frame are magnetically connected, so the nose pad can be easily replaced.

[0028] Furthermore, a horizontal strip groove is provided inside the slider, and two limit sliders are provided on both sides of the short side of the horizontal strip groove. The limit slider is connected to the edge of the slider through a hinge. When the lower part of the U-shaped support frame falls into the horizontal strip groove, the limit slider contacts the slide rail groove along the side wall of the slider through the hinge.

[0029] The design concept is: a protrusion is provided on the side of the limit slider that contacts the groove of the slide rail to increase the friction with the groove of the slide rail, thereby limiting the slider. It should be emphasized that the length of the horizontal strip groove is smaller than the vertical strip groove. When the strip rod falls into the vertical strip groove, the cylindrical rod is rotated, the strip rod falls into the horizontal strip groove and pushes the limit slider to both sides of the slider. The limit slider contacts the groove of the slide rail under the drive of the hinge.

[0030] Furthermore, the U-shaped support frame and the nose support are detachably connected by magnetic attraction.

[0031] It should be noted that the U-shaped support frame and the nose bridge are provided with corresponding protrusions and depressions, and magnets are distributed in the grooves of the protrusions and depressions. The U-shaped support frame is connected to the nose bridge via the magnets to achieve a detachable connection of the nose bridge.

[0032] Compared with the prior art, the beneficial effects of the utility model are:

[0033] The utility model provides a detachable structure for the frame and the lens, so that the goggles can easily replace the lens to adapt to a variety of different laser environments;

[0034] The utility model changes the size of the nose bridge by arranging a slide groove on the nose bridge, so that the goggles can better fit the user, thereby improving the comfort of the goggles and also the safety of the goggles;

[0035] The utility model arranges the goggles and the nose bridge separately, and both parts are provided with ventilation holes, so that the hot air exhaled from the nose will not affect the goggles, thereby enabling the goggles to achieve a good anti-fogging effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the buckle structure of the utility model goggles

[0037] Figure 2 This is a schematic diagram of the structure of the goggles of the utility model;

[0038] Figure 3 This is a schematic diagram of the vent structure of the utility model;

[0039] Figure 4 This is a schematic diagram of the structure of the fixing belt of the utility model;

[0040] Figure 5 This is a schematic diagram of the internal structure of the goggles of the utility model;

[0041] Figure 6 This is a schematic diagram of the nose bridge structure of the utility model;

[0042] Figure 7 This is a schematic diagram of the structure of the slider and the U-shaped support frame of the utility model;

[0043] Figure 8 This is a schematic diagram of the U-shaped support frame structure of the utility model;

[0044] Fig. 9 This is a schematic diagram of the internal structure of the slider of the utility model;

[0045] Fig.10 for Fig. 9 Part A is a schematic diagram of the enlarged structure;

[0046] Fig.11 This is a schematic diagram of the slider limit structure of the utility model;

[0047] Fig.12 for Fig.11 Part B is a schematic diagram of the enlarged structure;

[0048] Fig.13 It is a schematic diagram of the structure of the connecting parts between the frame and the lens.

[0049] Description of the markings: 1. Frame; 2. Bump; 3. Nose bridge; 4. Nose bridge support; 5. Slider; 61. First slide rail groove; 62. Second slide rail groove; 63. Third slide rail groove; 71. First vent; 72. Second vent; 8. Rubber pad; 91. First fixing belt; 92. Second fixing belt; 101. First fixing buckle; 102. Second fixing buckle; 111. U-shaped support frame; 112. U-shaped rod; 113. Bar rod; 114. Cylindrical rod; 121. First movable buckle; 122. Second movable buckle; 13. Rubber block; 141. Vertical bar groove; 142. Horizontal bar groove; 15. Slot; 16. Limit slider; 17. Hinge; 18. Lens; 19. Short column; 20. Thread; 21. Screw; 22. Buckle; 23. Rotating shaft. DETAILED DESCRIPTION

[0050] The utility model will be further described below in conjunction with the accompanying drawings.

[0051] Embodiment 1, as Figure 1 and Fig.13 As shown, one embodiment of the utility model is a detachable anti-fog nose protection laser goggles, and its structure mainly includes: a frame 1, a lens 18, a short column 19, a thread 20, a screw 21, a buckle 22, and a rotating shaft 23.

[0052] The frame 1 is connected to the lens 18 through a snap-fit ​​device. Both sides of the lens 18 are provided with cylindrical short columns 19 extending upward, and the inner wall of the cylindrical short column is provided with a thread 20. The snap-fit ​​device includes a rotating shaft 23 and a snap 22. The rotating shaft 23 is a hollow cylinder connected up and down, and the diameter of the rotating shaft 23 is larger than the short column 19. The focus 23 is connected to the short column 19 by a screw 21, and the snap 22 is used to connect the lens 18 to the frame 1.

[0053] The size of the screw 21 matches that of the rotating shaft 23 .

[0054] The lens is detachable by snapping so that it can adapt to different laser bands. In this embodiment, lenses that can block 200-1200 nanometers and 532-1064 nanometers are preferably selected, and the lens can be an existing anti-laser lens.

[0055] Embodiment 2, as Figure 2-4 As shown, one embodiment of the utility model is a detachable anti-fog nose protection laser goggles, whose external structure mainly includes: a frame 1, a protrusion 2, a nose bridge 3, a nose bridge support 4, a first ventilation hole 71, a second ventilation hole 72, a rubber pad 8, a first fixing strap 91, a second fixing strap 92, a first fixing buckle 101, a second fixing buckle 102, a first movable buckle 121, and a second movable buckle 122.

[0056] A nose bridge portion 3 is provided at the protrusion 2 on the lower side of the frame 1, and the nose bridge portion 3 is separated from the frame 1, and ventilation holes are provided on the upper side and lower side of the frame 1 and the lower side of the nose bridge portion 3; a nose bridge support 4 is provided inside the nose bridge portion 3.

[0057] The left side of the frame 1 is connected to the first fixing strap 91 via the first fixing buckle 101, and the right side of the frame 1 is connected to the second fixing strap 92 via the second fixing buckle 102; the first fixing strap 91 is connected to the second fixing strap 92 via the second movable buckle 122 provided at the end of the second fixing strap 92, and the second fixing strap 92 is connected to the first fixing strap 91 via the first movable buckle 121 provided at the end of the first fixing strap 91.

[0058] The setting of the vents allows the internal warm air and the external cold air to circulate with each other, reducing the fogging of the lenses; at the same time, the bridge of the nose 3 is separated from the frame 1, which can also greatly reduce the fogging effect of the exhaled air from the nose on the lenses.

[0059] In order to better improve the fogging problem of goggles, you can spray anti-fog agent on the goggles lenses before skiing; you can also choose goggles with double-layer lenses to reduce the convection of air inside and outside, thereby effectively avoiding the formation of fog.

[0060] Embodiment 3, as Figure 5-12 As shown, another embodiment of the utility model is a detachable anti-fog nose protection laser goggles, whose nose bridge part 3 main structure includes: a slider 5, a first slide rail groove 61, a second slide rail groove 62, a third slide rail groove 63, a U-shaped support frame 111, a U-shaped rod 112, a strip rod 113, a cylindrical rod 114, a rubber block 13, a vertical strip groove 141, a horizontal strip groove 142, a slot 15, a limit slider 16, and a hinge 17.

[0061] The nose support 4 is an upwardly protruding arch structure, and the left side, right side and upper side of the nose support 4 are all provided with slide rail grooves, and the nose support 4 is connected to the slide rail grooves through the slider 5; the slide rail grooves include a first slide rail groove 61 on the left side of the nose support 4, a second slide rail groove 62 on the right side of the nose support 4, and a third slide rail groove 63 on the upper side of the nose support 4, and the nose support 4 is connected to the nose bridge 3 through the slide rail grooves; the first slide rail groove 61 and the second slide rail groove 62 are placed horizontally, and the third slide rail groove 63 is placed vertically; a rubber block 13 of a certain thickness is provided on the inner side of the nose bridge 3, and the slide rail groove is opened in the rubber block 13, and the height of both sides of the slide rail edge is consistent with the thickness of the rubber block 13;

[0062] The slider 5 is connected to the nose bridge support 4 through the U-shaped support frame 111 provided on the nose bridge support 4, and the U-shaped support frame 111 and the slider 5 are connected to each other through a mortise and tenon structure; the slider 5 is provided with a vertical strip groove 141, the upper part of the U-shaped support frame 111 is a U-shaped rod 112, and the lower end is provided with a strip rod 113, and the shape and size of the strip rod 113 match the vertical strip groove 141. The U-shaped rod 112 and the strip rod 113 are connected through a cylindrical rod 114, the U-shaped rod 112 and the cylindrical rod 114 are movably connected, and the strip rod 113 and the cylindrical rod 114 are fixedly connected.

[0063] A slot 15 for embedding a magnet is disposed inside the nose support 4 and the upper end of the U-shaped support frame 111 , and the magnet is fixed in the slot 15 .

[0064] The nose bridge support 4 is detachably connected to the upper end of the U-shaped support frame 111 through a magnet, so that the nose bridge support 4 is easily replaced; at the same time, the nose bridge support 4 is deformable, and the U-shaped support frame 111 is driven by the slider 5 to slide in the three slide rail grooves, so that the size of the nose bridge support 4 can be changed to better fit the user's face;

[0065] The length of the horizontal strip groove 142 is smaller than that of the vertical strip groove 141. When the strip rod 113 falls into the vertical strip groove 141, the cylindrical rod 114 is rotated, and the strip rod 113 falls into the horizontal strip groove 142 and pushes the limit slider 16 to both sides of the slider 5. The limit slider 16 contacts the slide rail groove under the drive of the hinge 17, thereby limiting the nose bridge 4.

[0066] The first slide rail groove 61 and the second slide rail groove 62 provide transverse size adjustment for the nose bridge 4, and the third slide rail groove 63 provides longitudinal size adjustment for the nose bridge 4. The user can adjust the size of the nose bridge 4 according to his own needs. During adjustment, the corresponding part of the nose bridge 4 is deformed along the slide rail groove by moving the cylindrical rod 114 of the U-shaped support frame 111.

[0067] Embodiment 4, based on the above-mentioned embodiment, the present invention can also adopt the following setting mode. In order to make the goggles have better applicability, the size of the nose bridge can be adjusted according to the needs of the user, and the U-shaped support frame 111 and the slider 5 are connected to each other through the mortise and tenon structure.

[0068] A horizontal strip groove 142 is also provided inside the slider 5, and two limit sliders 16 are provided on both sides of the short side of the horizontal strip groove 142. The limit slider 16 is connected to the edge of the slider 5 through a hinge 17. When the lower part of the U-shaped support frame 111 falls into the horizontal strip groove 142, the limit slider 16 contacts the slide rail groove along the side wall of the slider 5 through the hinge 17.

[0069] The moving operation of the U-shaped support frame 111 is very convenient. The strip rod 113 is aligned with the vertical strip groove 141 on the slider 5, and then the cylindrical rod 114 is pressed toward the slider 5 and rotated until the strip rod 113 is stuck in the horizontal strip groove 142. At the same time, the two limiting sliders 16 provided on both sides of the short side of the horizontal strip groove 142 are in contact with the slide rail groove along the side wall of the slider 5 through the hinge 17, and the side of the limiting slider 16 in contact with the slide rail groove is provided with a protrusion, which is used to increase the friction between the limiting slider 16 and the slide rail groove, and can play a role in limiting and fixing the nose bridge support 4.

[0070] The mortise and tenon structure can adopt the existing mortise and tenon methods, and in principle it only needs to be fixed.

[0071] Embodiment 5, based on the above-mentioned embodiment, the present invention can also adopt the following setting mode. In order to make the goggles meet the needs of more people, the goggles can be divided into Asian size and European size. The main change is in the height design of the nose bridge 3.

[0072] According to the data, the height of the nose bridge of Asians is about 23 mm, while that of Europeans is about 28 mm. Therefore, the height of the nose bridge of Asian goggles is lower than that of European goggles. Users can make choices based on their actual needs. The design can provide users with better choices and avoid the phenomenon of goggles not fitting properly.

[0073] Embodiment 6, based on the above embodiments, the present invention can also adopt the following setting mode. In order to improve the fogging problem of the goggles, the goggles can be connected to the frame 1 by magnetic attraction. Corresponding magnetic grooves are arranged on the inner edge of the goggles and the outer edge of the frame 1, and magnets are arranged in the magnetic grooves, thereby realizing the magnetic attraction connection between the goggles and the frame 1.

[0074] In addition, the frame 1 and the goggles can also be connected by a bayonet connection. By setting corresponding protrusions and depressions on the inner edge of the goggles and the outer edge of the frame 1, the goggles are connected to the frame 1 through the protrusions or depressions; when ventilation and defogger are required, one side of the goggles can be separated from the frame 1 to form a gap, thereby allowing outdoor cold air to enter the goggles through the gap to defog the goggles.

[0075] The goggles are connected to the frame through magnetic attraction and bayonet, which enables convenient lens replacement. At the same time, the frame and goggles are detachable, and the lenses can be replaced in real time according to specific weather conditions, thereby achieving better user experience and user safety protection.

[0076] Embodiment 7, based on the above embodiments, the present invention can also adopt the following setting mode. In order to improve the applicability of the goggles, the goggles fixing belt can be fixed on the head by other means, such as elastic belt, helmet, etc. The elastic belt can be a whole, the frame is fixed to the elastic belt by buckle, and the elastic belt can be well adapted to different head sizes; the helmet can be a special protective helmet for skiing, and the goggles are fixed on the helmet to form a whole with the helmet. This setting mode can protect the head and the eyes at the same time.

[0077] The "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when a specific feature, structure or characteristic is described in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the utility model.

[0078] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to modifications and improvements to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A detachable anti-fog nose protection laser goggles, characterized by: The goggles specifically include the following: A frame, wherein the interior of the frame is connected to the lens, and both sides of the lens are provided with cylindrical short columns extending upward, and the interior of the short columns is provided with threads, and the threads are used to connect with screws; The lens is connected to the snap-on device via screws, and the snap-on device includes a rotating shaft and a snap-on. The rotating shaft is configured as a hollow structure with upper and lower ends of the rotating shaft connected. The diameter of the hollow structure of the rotating shaft is larger than the short column. The rotating shaft is connected to the short column via screws, and the snap-on device is used to connect to the frame and fix the lens, so that the lens blocks or filters laser radiation.

2. The detachable anti-fog nose-protecting laser goggles according to claim 1, characterized in that: The lower side of the frame is a protrusion toward the upper side of the frame, the lower side of the protrusion is set as a nose bridge, and the outer contour of the nose bridge is used to fit the nose bridge; Wherein, a second vent corresponding to the nostril is arranged at the lower side of the nose bridge, and the second vent is used to pass through the inner cavity of the nose bridge to communicate with the outside atmosphere; The nose bridge portion is provided with a nose bridge support, and the nose bridge portion is provided with a slide rail groove; the nose bridge support is an upwardly protruding arch structure, and the nose bridge support is slidably connected with the slide rail groove through a slider, and the slider is connected with the nose bridge support through a U-shaped support frame provided on the nose bridge support, and the U-shaped support frame and the slider are connected to each other through a mortise and tenon structure; The slide rail groove includes a first slide rail groove on the left side of the nose bridge, a second slide rail groove on the right side of the nose bridge, and a third slide rail groove on the upper side of the nose bridge, the nose bridge is connected to the nose bridge through the slide rail groove, and the first slide rail groove and the second slide rail groove are placed horizontally, and the third slide rail groove is placed vertically; A first ventilation hole cooperating with the second ventilation hole is arranged on the upper side of the frame, and the second ventilation hole and the first ventilation hole maintain the air circulation inside the frame and keep the air temperature close to the outside.

3. The detachable anti-fog nose-protecting laser goggles according to claim 2 are characterized by: The outer side of the frame is connected to a fixing strap, and the fixing strap includes a first fixing strap and a second fixing strap, the first fixing strap is connected to the left side of the frame through a first fixing buckle, and the second fixing strap is connected to the right side of the frame through a second fixing buckle; the first fixing strap is connected to the second fixing strap through a second movable buckle provided at the end of the second fixing strap, and the second fixing strap is connected to the first fixing strap through a first movable buckle provided at the end of the first fixing strap.

4. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: A rubber block is arranged on the inner side of the bridge of the nose, the slide rail groove is arranged in the rubber block, and the heights of both sides of the edge of the slide rail groove are consistent with the thickness of the rubber block.

5. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: The nose bridge pad is made of polyester and has certain elasticity and thickness.

6. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: The sliding block is provided with a vertical strip groove, the upper part of the U-shaped support frame is a U-shaped rod, and the lower end is provided with a strip rod, and the strip rod matches the shape and size of the vertical strip groove; the U-shaped rod is connected to the strip rod through a cylindrical rod, the U-shaped rod is movably connected to the cylindrical rod, and the strip rod is fixedly connected to the cylindrical rod.

7. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: The nose bridge support and the upper end of the U-shaped support frame are both provided with slots for embedding magnets, and the magnets are fixed in the slots.

8. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: A horizontal strip groove is also provided inside the slider, and two limit sliders are provided on both sides of the short side of the horizontal strip groove. The limit slider is connected to the edge of the slider through a hinge. When the lower part of the U-shaped support frame falls into the horizontal strip groove, the limit slider contacts the slide rail groove along the side wall of the slider through the hinge.

9. The detachable anti-fog nose-protecting laser goggles according to claim 2, characterized in that: The U-shaped support frame and the nose support are detachably connected by magnetic attraction.