CN117502759A - Protective helmet is used in skiing with adjustable - Google Patents

Protective helmet is used in skiing with adjustable Download PDF

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Publication number
CN117502759A
CN117502759A CN202311646748.4A CN202311646748A CN117502759A CN 117502759 A CN117502759 A CN 117502759A CN 202311646748 A CN202311646748 A CN 202311646748A CN 117502759 A CN117502759 A CN 117502759A
Authority
CN
China
Prior art keywords
plate
adjustable
skiing
goggles
camera
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.)
Withdrawn
Application number
CN202311646748.4A
Other languages
Chinese (zh)
Inventor
刘春萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Institute of Physical Education
Original Assignee
Jilin Institute of Physical Education
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin Institute of Physical Education filed Critical Jilin Institute of Physical Education
Priority to CN202311646748.4A priority Critical patent/CN117502759A/en
Publication of CN117502759A publication Critical patent/CN117502759A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/18Face protection devices
    • A42B3/185Securing goggles or spectacles on helmet shells
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/0406Accessories for helmets
    • A42B3/042Optical devices
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/06Impact-absorbing shells, e.g. of crash helmets
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/08Chin straps or similar retention devices
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B3/00Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04Parts, details or accessories of helmets
    • A42B3/30Mounting radio sets or communication systems

Landscapes

  • Helmets And Other Head Coverings (AREA)

Abstract

The application discloses an adjustable skiing protective helmet, which relates to the technical field of helmets and comprises a helmet body; goggles connected to the helmet body through a shield; the adjusting mechanism is connected to the goggles and used for adjusting the tightness degree of the goggles; the camera is movably arranged on the helmet body through the rotating mechanism; the locking mechanism is connected between the camera and the rotating mechanism and used for locking the camera; damping structure, damping mechanism sets up in this internal, can improve the protective effect to the head of helmet, this application has convenient operation, safe in utilization firm effect.

Description

Protective helmet is used in skiing with adjustable
Technical Field
The application relates to the technical field of helmets, in particular to an adjustable skiing protective helmet.
Background
In skiing, the protective helmet is an indispensable safety protection tool, and can ensure that the head of a user is not injured when the user slides down.
In the prior art, the helmet and the goggles are worn independently, so that when the movement amplitude is large, the goggles are easy to loose and even fall, so that the skiing feeling of a user is reduced, in addition, in order to record the movement condition, a plurality of people can be provided with cameras on the head, the cameras in the prior art are fixed on the helmet, only the set visual angle range can be recorded, and the adjustment cannot be performed according to the self requirement, so that the use is more inconvenient.
Disclosure of Invention
In view of this, this application provides an adjustable skiing and uses protective helmet, can strengthen the fixed to the goggles to and adjust the angle of camera, with the fixed insecure, the little technical problem of camera shooting scope of solution goggles.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an adjustable protective helmet for skiing comprising:
a helmet body;
goggles connected to the helmet body through a shield;
the adjusting mechanism is connected to the goggles and used for adjusting the tightness degree of the goggles;
the camera is movably arranged on the helmet body through the rotating mechanism;
the locking mechanism is connected between the camera and the rotating mechanism and used for locking the camera;
damping structure, damping mechanism sets up in the helmet is originally internal, can improve the protective effect to the head.
Further, the rotation mechanism includes:
the mounting seat is connected to the top of the helmet body;
the support rod is pivoted in the mounting seat;
a rotary gear sleeved on the support rod;
the connecting seat is hinged to the supporting rod, and the camera is connected to the connecting seat.
Still further, the side of connecting seat is provided with first mounting panel, the side of bracing piece is provided with the second mounting panel, the connecting seat with be connected with the torsional spring between the bracing piece, the both ends of torsional spring support respectively to hold first mounting panel with on the second mounting panel.
Still further, the locking mechanism includes:
a slide cylinder mounted in the mounting base;
the T-shaped sliding block is arranged in the sliding cylinder in a sliding way;
the arc-shaped plate is connected to the front end of the T-shaped sliding block, and can be clamped into the tooth groove of the rotary gear, so that the rotary gear is locked.
Further, the front end of the arc plate is provided with blocking teeth capable of being meshed with the rotary gear.
Still further, the locking mechanism further includes:
the first compression spring is propped between the T-shaped sliding block and the sliding cylinder;
and the poking plate is connected to the T-shaped sliding block and extends to the outer side of the mounting seat.
Further, the both sides of goggles are connected with first bandage and second bandage respectively, the rear end of first bandage is provided with the stopper, second bandage rear end is connected with the fixed plate, the fixed plate passes through adjustment mechanism connects in the stopper.
Still further, the adjustment mechanism includes:
the sliding plate is arranged in the limiting block in a sliding way;
at least one insert rod connected to the front end of the sliding plate, the insert rod can be inserted into different fixing grooves of the fixing plate, and accordingly tightness between the first binding band and the second binding band is adjusted.
Still further, the adjustment mechanism further includes:
a fixed cover arranged at the rear side of the limiting block;
a plurality of second compression springs connected between the fixed cover and the sliding plate;
a pull rod connected to the sliding plate;
and the pulling plate is connected to the rear end of the pulling rod and is positioned at the outer side of the fixed cover.
Further, a plurality of C-shaped limiting parts are arranged on the protective cover, and the first binding band and the second binding band are movably connected to the C-shaped limiting parts.
From the above technical solution, the advantages of the present invention are:
1. in this application, goggles pass through two bandages to be fixed on the protective cover, and the junction of two bandages is connected through adjustment mechanism, can adjust the elasticity degree between two bandages through adjustment mechanism to it is fixed more firm to make the goggles.
2. The camera shooting device is further provided with a rotating mechanism and a locking mechanism, and the horizontal angle of the camera can be changed through the rotating mechanism, so that the shooting range of the horizontal direction is adjusted.
3. Still be equipped with the torsional spring in this application, reset after making the pitch angle of camera adjust through the torsional spring, the shooting scope of camera can be adjusted freely according to self demand to the user to make it is more convenient to use.
4. The utility model provides a still be provided with damper in this application, can increase the guard action to the head to make the safety in utilization higher.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application.
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a partial enlarged view at a of fig. 1.
Fig. 3 is a B-B view of fig. 2.
Fig. 4 is a partial enlarged view at C of fig. 2.
Fig. 5 is a left side plan view of fig. 1.
Fig. 6 is a partial enlarged view at D of fig. 5.
Fig. 7 is a structural cross-sectional view of the helmet body of the present application.
Fig. 8 is a partial enlarged view at E of fig. 7.
Reference numerals illustrate: helmet body 1, outer shield 11, ductile layer 12, first damper component 13, fixing plate 131, convex spring piece 132, second damper component 14, damper base 141, groove 1411, projection 142, support plate 143, moving block 144, slider 145, slide bar 146, damper spring 147, cushion 15, heat retention layer 16, shield 2, C-shaped retainer 21, binding strap 3, retainer 4, ear protector 5, goggles 6, first strap 61, second strap 62, fixing plate 63, fixing groove 631, stopper 64, mounting cavity 641, camera 7, support plate 71, connection base 72, first mounting plate 721, torsion spring 73, support rod 74, second mounting plate 741, mounting base 75, rotary gear 76, locking mechanism 8, slide cylinder 81, first compression spring 82, T-shaped slider 83, dial 84, slide pad 85, arc 86, blocking tooth 87, adjustment mechanism 9, pull rod 91, 92, fixing cover 93, slide plate 94, second compression spring 95, and insert rod 96.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the embodiments and the accompanying drawings. The exemplary embodiments of the present application and their descriptions are used herein to explain the present application, but are not intended to be limiting of the present application.
Referring to fig. 1 to 8, as shown in fig. 1, the present embodiment provides an adjustable protective helmet for skiing, which can strengthen the fixing effect on goggles and adjust the angle of a camera, so as to solve the technical problems that the goggles are not firmly fixed and easily loosened even fall down when the movement range is large in the prior art, and the camera shooting range is small when shooting, a user can shoot a complete picture very difficultly, the present application can avoid the situation that the goggles fall down by fixing the goggles on a helmet body, furthermore, the goggles are connected with the helmet body through a binding belt, and the tail part of the binding belt is also provided with a device capable of adjusting the tightness degree, so that the goggles are very firmly installed and fixed, in addition, the camera can adjust the horizontal angle, so that the user can easily shoot the picture, thereby being more convenient to use, the adjustable protective helmet for skiing comprises a helmet body 1, a protective helmet 6, an adjusting mechanism 9, a damping mechanism, a head 7 and a locking mechanism 8, wherein the protective helmet 6 is connected on the helmet body 1 through the protective helmet body 2; the adjusting mechanism 9 is connected to the goggles 6 and is used for adjusting the tightness degree of the goggles 6; the camera 7 is movably arranged on the helmet body 1 through a rotating mechanism; the locking mechanism 8 is connected between the camera 7 and the rotating mechanism and is used for locking the horizontal angle of the camera 7; the damping mechanism is arranged in the helmet body 1, so that the safety protection effect on the head can be improved.
Preferably, in this application embodiment, the both sides of protection casing 2 all are provided with the constraint area 3, and fixed through the fixed knot 4 between two constraint areas 3, constraint area 3 are fixed in human chin department, can increase the connection compactness between head and the helmet body 1 to make wear more firm safety.
Preferably, in the embodiment of the application, the lower end of the protective cover 2 is also provided with ear protection cotton 5, so that not only can ears be protected, but also cold-proof and warm-keeping effects can be achieved.
As shown in fig. 2 and 3, the rotation mechanism includes: a mounting seat 75, a supporting rod 74, a rotating gear 76 and a connecting seat 72, wherein the mounting seat 75 is connected to the top of the helmet body 1; the supporting rod 74 is pivoted in the mounting seat 75; the rotary gear 76 is sleeved on the support rod 74; the connecting seat 72 is hinged to the supporting rod 74, and the camera 7 is connected to the connecting seat 72 through the supporting plate 71.
As shown in fig. 4, a first mounting plate 721 is disposed on a side surface of the connection seat 72, a second mounting plate 741 is disposed on a side surface of the support rod 74, the second mounting plate 741 is located below the first mounting plate 721, a torsion spring 73 is connected between the connection seat 72 and the support rod 74, and two ends of the torsion spring 73 respectively abut against the first mounting plate 721 and the second mounting plate 741.
In this embodiment of the application, when needing to adjust the pitch angle, the user can press camera 7 with the hand, makes its rotation from top to bottom, and torsional spring 73 receives the extrusion when rotating, and the elasticity effect that its self produced can help camera 7 quick reset after the pine hand to guarantee the normal shooting of camera 7 to the place ahead visual angle.
As shown in fig. 3, the locking mechanism 8 includes: a sliding cylinder 81, a T-shaped sliding block 83 and an arc-shaped plate 86, wherein the sliding cylinder 81 is arranged in the mounting seat 75; the T-shaped sliding block 83 is arranged in the sliding cylinder 81 in a sliding manner; the arc 86 is connected to the front end of the T-shaped slider 83, and the arc 86 can be clamped into the tooth slot of the rotary gear 76, so as to lock the rotary gear 76.
In this embodiment, the front end of the arc plate 86 is provided with a blocking tooth 87, and the blocking tooth 87 can mesh with the rotation gear 76, so as to block the rotation gear 76 from rotating.
Preferably, in the embodiment of the present application, the locking mechanism 8 further includes: a first compression spring 82 and a dial 84, wherein the first compression spring 82 is abutted between the T-shaped sliding block 83 and the sliding cylinder 81; the pulling plate 84 is connected to the T-shaped sliding block 83, the pulling plate 84 extends to the outer side of the mounting seat 75, the pulling plate 84 is easier and more convenient to operate when the camera 7 is rotated, the first compression spring 82 can provide a reset function, so that the arc plate 86 is helped to reset quickly, and the rotating gear 76 can be in a locking state under the condition that the pulling plate 84 is not operated.
Preferably, in the embodiment of the present application, the front side of the dial plate 84 is provided with the anti-slip pad 85, and the anti-slip pad 85 can increase the friction force of the hand, so that the dial plate 84 can be operated more easily and with less effort.
In this embodiment, when needing to adjust the horizontal angle of camera 7, dial plate 84 backward earlier, dial plate 84 drives T type slider 83 and moves backward, on the one hand make first compression spring 82 by the extrusion, on the other hand make arc 86 backward movement, stop tooth 87 and rotation gear 76 break away from then, continuously rotate bracing piece 74 this moment, bracing piece 74 can drive camera 7 horizontal rotation, when needs shoot a certain horizontal angle for a long time, after adjusting the horizontal angle of camera 7, loosen dial plate 84, under the elastic action of first compression spring 82, make stop tooth 87 insert in the tooth's socket of rotation gear 76 again can.
As shown in fig. 1 and 5, two sides of the goggles 6 are respectively connected with a first strap 61 and a second strap 62, a limiting block 64 is arranged at the rear end of the first strap 61, a fixing plate 63 is connected at the rear end of the second strap 62, and the fixing plate 63 is fixedly connected in the limiting block 64 through the adjusting mechanism 9.
Preferably, in the embodiments of the present application,
preferably, in the embodiment of the present application, the front ends of the first strap 61 and the second strap 62 may be made integral and slidingly connected with the goggles 6, so that the goggles 6 can be detached from the rear end of the second strap 62 (when the second strap 62 needs to be separated from the stopper 64), so as to facilitate maintenance of the goggles 6.
Preferably, in this embodiment of the present application, the protection cover 2 is provided with a plurality of C-shaped limiting members 21, and the first strap 61 and the second strap 62 are slidably connected to the plurality of C-shaped limiting members 21, so that the first strap 61 and the second strap 62 can be pulled away from the C-shaped limiting members 21.
As shown in fig. 6, the adjusting mechanism 9 includes: a sliding plate 94 and three insert rods 96, wherein the sliding plate 94 is slidably arranged in the mounting cavity 641 of the limiting block 64; the insert rod 96 is connected to the front end of the sliding plate 94, and the insert rod 96 can be inserted into different fixing grooves 631 of the fixing plate 63, so as to adjust the tightness between the first strap 61 and the second strap 62, that is, adjust the fixing firmness of the goggles 6.
Preferably, in the embodiment of the present application, the first strap 61 and the second strap 62 are elastic.
Preferably, in the embodiment of the present application, the adjusting mechanism 9 further includes: the fixed cover 93, a plurality of second compression springs 95, a pull rod 92 and a pull plate 91, wherein the fixed cover 93 is arranged at the rear side of the limiting block 64; a plurality of second compression springs 95 are connected between the fixed cover 93 and the sliding plate 94; the pull rod 92 is connected to the sliding plate 94, and the rear end of the pull rod 92 passes through the fixed cover 93 and then extends outwards; the pull plate 91 is connected to the rear end of the pull rod 92, and the pull plate 91 is located outside the fixing cover 93.
In the embodiment of the present application, the fixed cover 93 is used for limiting the sliding plate 94 and the second compression spring 95.
In this embodiment, when the fixing firmness of the goggles 6 needs to be adjusted, the pull plate 91 is pulled backwards, the pull plate 91 drives the pull rod 92 and the sliding plate 94 to move backwards, then the second compression spring 95 is compressed, the insert rod 96 is separated from the fixing groove 631, the fixing plate 63 can be tensioned or loosened at this time, the positions of the fixing plate 63 and the second binding band 62 in the limiting block 64 are adjusted, after the adjustment is completed, the pull plate 91 is loosened, and under the elastic action of the second compression spring 95, the insert rod 96 is inserted into the fixing groove 631 again, so that the adjustment of the fixing effect of the goggles 6 can be completed.
As shown in fig. 7, the helmet body 1 includes an outer protective shell 11, a flexible layer 12, a cushion layer 15 and a thermal insulation layer 16 sequentially arranged from outside to inside, a plurality of damping mechanisms are arranged between the flexible layer 12 and the cushion layer 15, the flexible layer 12 can play a supporting role on the outer protective shell 11, the cushion layer 15 can provide a supporting role on the head, the thermal insulation layer 16 is adhered to the inner side of the cushion layer 15, and the thermal insulation layer 16 can provide a thermal insulation role on the head.
As shown in fig. 8, the damper mechanism includes a first damper component 13 and a second damper component 14.
In the embodiment of the present application, the first damper assembly 13 includes: the pair of fixing plates 131 and the pair of convex spring plates 132 are oppositely arranged on one side, close to each other, of the ductile layer 12 and the cushion layer 15, the convex spring plates 132 are installed on the corresponding fixing plates 131 through screws, the domes of the pair of convex spring plates 132 are mutually propped, when the helmet body 1 is impacted, the ductile layer 12 and the cushion layer 15 are extruded, the pair of convex spring plates 132 are mutually extruded, and elastic buffering effect is provided through deformation of the convex spring plates 132, so that impact force on the head is reduced.
In the present embodiment, the second damper assembly 14 includes: a shock mount 141, a support plate 143, a projection 142, a moving block 144, a slide bar 146, a pair of sliders 145, and a pair of shock springs 147, the shock mount 141 being attached to the inside of the ductile layer 12; the support plate 143 is slidably disposed in the shock mount 141; the projection 142 is connected to the inner side of the support plate 143; the moving block 144 is connected to the outside of the supporting plate 143; the slide bar 146 is arranged in the shock absorbing seat 141; the pair of sliding blocks 145 are symmetrically and slidably arranged on the sliding rod 146, and the moving block 144 is in sliding fit with the pair of sliding blocks 145; a pair of damper springs 147 are sleeved on the slide rod 146, and the damper springs 147 are abutted between the slide blocks 145 and the corresponding damper seats 141.
Preferably, in the embodiment of the present application, the outer end of the moving block 144 is provided with a first inclined plane, the inner end of the sliding block 145 is provided with a second inclined plane, and the first inclined plane is slidably matched with the second inclined plane, so that the moving block 144 can move to push the pair of sliding blocks 145 away from each other along the sliding rod 146.
Preferably, in the embodiment of the present application, a pair of grooves 1411 are formed on the inner wall of the shock absorbing seat 141, and two ends of the supporting plate 143 are slidably matched with the pair of grooves 1411, so that the supporting plate 143 slides more stably through the sliding fit.
In this embodiment, when the outer protective shell 11 is impacted, the bump 142 is pressed against the cushion layer 15, the bump 142 moves outwards and presses the support plate 143, the support plate 143 presses the moving block 144, and then the pair of sliding blocks 145 are far away from each other and press the damping springs 147, so that the damping springs 147 generate elastic buffering effect.
To sum up, this application makes goggles and helmet body an organic whole, and the fixed effect of goggles can freely be adjusted to avoid the condition that the goggles breaks away from helmet body when the motion range is great, in addition, through setting up rotary mechanism, locking mechanical system and torsional spring, make not only can adjust the shooting angle of camera, and the camera is fixed firm, thereby be of value to improving user's overall impression, moreover, can improve the guard action to the head through damper, thereby make the safety in utilization improve greatly.
The foregoing description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the embodiment of the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. An adjustable protective helmet for skiing, comprising:
a helmet body (1);
goggles (6) connected to the helmet body (1) through a protective cover (2);
an adjusting mechanism (9) connected to the goggles (6) for adjusting the tightness degree of the goggles (6);
a camera (7) movably arranged on the helmet body (1) through a rotating mechanism;
the locking mechanism (8) is connected between the camera (7) and the rotating mechanism and used for locking the camera (7);
damping structure, damping mechanism sets up in helmet body (1), can improve the protective effect to the head.
2. The adjustable ski protective helmet according to claim 1, wherein the rotation mechanism comprises:
a mounting seat (75) connected to the top of the helmet body (1);
a support rod (74) pivoted in the mounting seat (75);
a rotary gear (76) sleeved on the support rod (74);
and the camera (7) is connected to the connecting seat (72).
3. The adjustable skiing protective helmet according to claim 2, wherein a first mounting plate (721) is provided on a side surface of the connection seat (72), a second mounting plate (741) is provided on a side surface of the support rod (74), a torsion spring (73) is connected between the connection seat (72) and the support rod (74), and two ends of the torsion spring (73) are respectively abutted against the first mounting plate (721) and the second mounting plate (741).
4. An adjustable protective helmet for skiing according to claim 2, characterized in that the locking mechanism (8) comprises:
a slide cylinder (81) mounted in the mounting seat (75);
a T-shaped sliding block (83) arranged in the sliding cylinder (81) in a sliding way;
the arc-shaped plate (86) is connected to the front end of the T-shaped sliding block (83), and the arc-shaped plate (86) can be clamped into a tooth groove of the rotary gear (76), so that the rotary gear (76) is locked.
5. An adjustable protective helmet for skiing according to claim 4, characterized in that the front end of the arc (86) is provided with blocking teeth (87) capable of meshing with the rotation gear (76).
6. An adjustable ski protective helmet according to claim 4, wherein the locking mechanism (8) further comprises:
a first compression spring (82) which is abutted between the T-shaped sliding block (83) and the sliding cylinder (81);
and a poking plate (84) connected to the T-shaped sliding block (83), wherein the poking plate (84) extends to the outer side of the mounting seat (75).
7. The adjustable skiing protective helmet according to claim 1, wherein a first binding band (61) and a second binding band (62) are respectively connected to two sides of the goggles (6), a limiting block (64) is arranged at the rear end of the first binding band (61), a fixing plate (63) is connected to the rear end of the second binding band (62), and the fixing plate (63) is connected to the limiting block (64) through the adjusting mechanism (9).
8. An adjustable protective helmet for skiing according to claim 7, characterized in that the adjustment mechanism (9) comprises:
a sliding plate (94) slidably disposed within the stopper (64);
at least one insert rod (96) connected to the front end of the sliding plate (94), the insert rod (96) being capable of being inserted into different fixing grooves (631) of the fixing plate (63) so as to adjust the tightness between the first strap (61) and the second strap (62).
9. The adjustable ski protective helmet according to claim 8, wherein the adjustment mechanism (9) further comprises:
a fixed cover (93) mounted at the rear side of the stopper (64);
a plurality of second compression springs (95) connected between the fixed cover (93) and the sliding plate (94);
a pull rod (92) connected to the slide plate (94);
and a pull plate (91) connected to the rear end of the pull rod (92), wherein the pull plate (91) is positioned outside the fixed cover (93).
10. The adjustable skiing protective helmet according to claim 1, wherein the protective cover (2) is provided with a plurality of C-shaped limiting pieces (21), and the first binding band (61) and the second binding band (62) are movably connected to the plurality of C-shaped limiting pieces (21).
CN202311646748.4A 2023-12-04 2023-12-04 Protective helmet is used in skiing with adjustable Withdrawn CN117502759A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311646748.4A CN117502759A (en) 2023-12-04 2023-12-04 Protective helmet is used in skiing with adjustable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311646748.4A CN117502759A (en) 2023-12-04 2023-12-04 Protective helmet is used in skiing with adjustable

Publications (1)

Publication Number Publication Date
CN117502759A true CN117502759A (en) 2024-02-06

Family

ID=89760813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311646748.4A Withdrawn CN117502759A (en) 2023-12-04 2023-12-04 Protective helmet is used in skiing with adjustable

Country Status (1)

Country Link
CN (1) CN117502759A (en)

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Application publication date: 20240206