Load transfer device of head-mounted platform and working method thereof

Abstract

The invention discloses a load transfer device of a head-mounted platform and a working method of the load transfer device, and the device transfers a helmet load to the shoulders of a human body through the synergistic effect of a top quick release piece, a rigid rod, a connecting piece, an elastic rod and a U-shaped shoulder bearing platform. Wherein the top quick-release part adopts a self-locking mechanism in which a spring ejection part is linked with a quick-release key, so that single-hand quick disassembly and assembly are realized; the height of the rigid rod is adjusted through multiple holes, and the double-support structure of the elastic rod generates self-adaptive support reaction force in a compression bending state; the U-shaped shoulder platform is provided with a carbon fiber flexible shoulder pad and a braid connector, and pressure is evenly dispersed in combination with elastic deformation. The working method comprises the three stages of push-press type self-locking installation, elastic rod compression force transmission path construction and key triggering rapid separation. The head-mounted device solves the problem of neck fatigue caused by load concentration of a traditional head-mounted device, has wearing comfort, dynamic stability and emergency quick release functions, and is suitable for the field of equipment needing to be worn for a long time such as AR / VR equipment.

Description

Technical Field

[0001] The present invention belongs to the technical field of ergonomic equipment, and in particular relates to a load transfer device of a head-mounted platform and a working method thereof. Background Art

[0002] Helmets are one of the indispensable equipment for armed police, firefighting, industry and other industries. They play an important role in protecting the user's head and hanging tools. High protection level, digitization, intelligence and integration are the future development direction of armed police, firefighting, industry and other industries. At present, in response to the demand for intelligent trends, intelligent devices such as lighting, AR glasses, and headphones are increasingly integrated with helmets. While improving the level of intelligence, the weight of the helmet system is further increased, which increases the head load of the wearer, causing neck muscle fatigue of the wearer, causing neck injuries, and reducing the overall performance. At present, there is an urgent need for a load transfer device for the head-mounted platform to transfer the head pressure to the shoulders and neck to reduce the head load and improve the continuous wearing comfort of the helmet. Summary of the invention

[0003] The purpose of the present invention is to provide a load transfer device for a head-mounted platform and a working method thereof, which utilizes a mechanical device to realize the load transfer of the head-mounted platform, transfers the weight of the head-mounted platform to the shoulder and neck, reduces the load on the cervical spine, and improves the wearing comfort and durability.

[0004] In order to achieve the purpose of the present invention, on the one hand, the present invention provides a load transfer device for a head-mounted platform, including a top quick-release member, a rigid rod, a connecting member, an elastic rod, and a shoulder bearing platform;

[0005] The top quick release part connects the helmet and the rigid rod to provide a rotational freedom and a quick release function;

[0006] The rigid rod is used to transfer the load of the helmet to the connecting member and the elastic rod;

[0007] The connecting piece connects the rigid rod and the elastic rod, and is used to cooperate with the rigid rod to adjust the height of the device to adapt to different wearers;

[0008] The elastic rod is used to provide a supporting reaction force and a torque through deformation, and the elastic rod is divided into two left and right branches, and one end of the left and right elastic rods is connected to the connecting member;

[0009] The shoulder bearing platform is correspondingly connected to the other ends of the left and right elastic rods, and is used to evenly apply the weight transferred by the head-mounted platform to the shoulders to achieve load transfer.

[0010] One end of the rigid rod is connected to the top quick-release part by a screw. The other end of the rigid rod is provided with a plurality of holes, and the holes are connected to the connecting part by screws, so as to adjust the height of the load transfer main body to adapt to the wearing needs of different people.

[0011] The top quick-release part includes a quick-release button, a bearing part, a helmet fixing part, and a spring ejecting part. The quick-release button is fixed to the axis of the bearing part. A cylindrical card slot is arranged inside the bearing part, so that the quick-release button can move up and down freely inside the bearing part. The bearing part is rigidly fixed to the rigid rod by two screws. The helmet fixing part is rigidly connected to the helmet by screws. The spring ejecting part is connected to the surface of the helmet and is placed inside the helmet fixing part. A spring is arranged inside the spring ejecting part.

[0012] The shoulder bearing platform is a U-shaped platform. Elastic rod connecting parts, shoulder pad connecting parts, elastic shoulder pads, and webbing interfaces are symmetrically arranged at both ends of the opening of the U-shaped platform.

[0013] The left and right elastic rods are respectively connected to the corresponding elastic rod connecting parts arranged at both ends of the opening of the U-shaped platform by screws. A hole is arranged in the middle of the elastic rod connecting part. The shoulder pad connecting part passes through the reserved hole of the elastic rod connecting part and is connected to the elastic shoulder pad. The elastic shoulder pad is U-shaped, and the webbing interface is arranged at the open end of the U-shaped part. The webbing interface is connected to an external connecting webbing, which is used to connect with the equipment worn on the body to play a limiting role.

[0014] The flexible shoulder pad is made of a flexible material with a flexible lining on the outer surface, which is used to fit the human shoulder and evenly apply the force transmitted by the head-mounted platform to the human shoulder and neck. The flexible material is carbon fiber.

[0015] On the other hand, the present invention also provides a working method of a load transfer device for a head-mounted platform.

[0016] When the load transfer device is installed, the bearing part is pushed into the card slot of the helmet fixing part. The spring ejecting part has an inclined surface in the pushing direction, which pushes the bearing part to make the spring ejecting part move downward, compressing the spring inside it. Finally, the bearing can be completely pushed into the reserved card slot of the helmet fixing part. After reaching the limit position, under the elastic force of the spring in the compressed state, the spring ejecting part moves upward and inserts into the hole in the center of the bearing. At the same time, the quick-release button is continuously pushed upward. At this time, the whole structure is self-locked, realizing the fixation of the load transfer main body device and the head-mounted platform.

[0017] When the load transfer device is used, the user wears the helmet normally, and requires the helmet and the user's head to be relatively fixed, and then the elastic shoulder pads are placed on both sides of the shoulders, so that the shoulder pads surround the user's neck and fully contact the user's shoulders. If necessary, the shoulder pads can be fixed to the user's shoulders using straps through the webbing interface, so that the left and right elastic rods are in a compressed and bent state. At this time, the load transfer device, under the elastic force of the flexible material, transfers the helmet load to the user's shoulders through the force transmission path of the top quick release part-rigid rod-connecting part-elastic rod-shoulder bearing platform, so as to achieve the effect of load transfer;

[0018] When the load transfer device is quickly released, the quick release button is pressed, which pushes the spring ejector to move downward. When it reaches the limit position, the self-locking state is released. At this time, the bearing component can be pulled out from the helmet fixing component to achieve quick release of the load transfer device body.

[0019] Compared with the prior art, the significant progress of the present invention lies in: (1) Improved ergonomics and comfort: The present invention uses a composite design of a U-shaped shoulder load-bearing platform and an elastic shoulder pad, combined with the characteristics of carbon fiber flexible materials, to evenly distribute the helmet load to the shoulder and neck, reducing local pressure concentration. The double-branch structure of the elastic rod provides an adaptive support reaction force under compression and bending, which not only ensures support stability but also reduces the discomfort caused by rigid contact; (2) Combination of rapid disassembly and stability: The present invention adopts a self-locking mechanism that links a spring ejector with a quick-release button, so that the device and the helmet can be locked / separated with one hand. The inclined push design cooperates with the spring rebound mechanism to ensure the reliability of the connection while meeting the needs of rapid disassembly in emergency situations; (3) Multi-dimensional adjustable adaptation: The hole adjustment structure of the rigid rod can be used to adjust the height in different levels; the reserved hole design of the elastic rod connector allows the shoulder pad angle to be fine-tuned, and the strap structure of the webbing connector can adapt to the shoulder and neck curves of users of different body shapes and improve individual adaptability; (4) Mechanical transmission path optimization: The present invention constructs a "rigid rod-elastic rod" composite force transmission path, the rigid component ensures the efficient transmission of the main load, and the elastic component absorbs dynamic impact through deformation. This rigid-flexible coupling design effectively buffers the impact load during movement while ensuring the load-bearing capacity (experimental data shows that 70% of the head load can be transferred).

[0020] Lightweight and concealed, the split modular design is adopted, and each component is rigidly connected by screws while maintaining low mass characteristics (overall weight <300g). The U-shaped platform fits the natural curve of the human body and is equipped with flexible padding materials. It can be concealed inside conventional tactical equipment without affecting the flexibility of tactical movements.

[0021] In order to more clearly illustrate the functional characteristics and structural parameters of the present invention, further description is given below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings described herein are used to provide a further understanding of the present invention and form a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0023] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 is a schematic diagram of the top quick-release part of the present invention;

[0025] Figure 3 is a quick-release schematic diagram of the load transfer device of the present invention;

[0026] Figure 4 is an installation schematic diagram of the load transfer device of the present invention;

[0027] Figure 5 is a connection schematic diagram of the rigid rod, the connecting piece and the elastic rod of the present invention;

[0028] Figure 6 is a schematic diagram of the shoulder bearing platform of the present invention.

[0029] The reference numerals in the drawings are: top quick-release part 1, rigid rod 2, connecting piece 3, elastic rod 4, and shoulder bearing platform 5, quick-release button 101, bearing part 102, helmet fixing part 103, spring ejecting part 104, elastic rod connecting piece 501, shoulder pad connecting piece 502, elastic shoulder pad 503, webbing interface 504. Detailed Embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0031] A load transfer device of a head-mounted platform of the present invention, in combination with Figure 1 , includes a top quick-release part 1, a rigid rod 2, a connecting piece 3, an elastic rod 4, and a shoulder bearing platform 5;

[0032] The top quick-release part 1 connects the helmet to the rigid rod 2 and is used to provide a rotational degree of freedom and a quick-release function;

[0033] The rigid rod 2 is used to transfer the load of the helmet to the connecting piece 3 and the elastic rod 4;

[0034] In combination with Figure 5, the connecting member 3 connects the rigid rod 2 and the elastic rod 4, and is used to cooperate with the rigid rod 2 to adjust the height of the device so as to adapt to different wearers;

[0035] The elastic rod 4 is used to provide reaction force and moment through deformation. The elastic rod 4 is divided into left and right branches, and one ends of the left and right elastic rods 4 are connected to the connecting member 3;

[0036] The shoulder bearing platform 5 is correspondingly connected to the other ends of the left and right elastic rods 4, and is used to evenly apply the weight transferred by the head-mounted platform on the shoulders to achieve load transfer.

[0037] One end of the rigid rod 2 is connected to the top quick-release member 1 by a screw, and the other end of the rigid rod 2 is provided with a plurality of holes, and its holes are connected to the connecting member 3 by screws, and are used to adjust the height of the load transfer main body to adapt to the wearing needs of different people.

[0038] Combined with Figure 2 , the top quick-release member 1 includes a quick-release button 101, a bearing member 102, a helmet fixing member 103, and a spring ejecting member 104; the quick-release button 101 is fixed to the axis of the bearing member 102, and a cylindrical card slot is provided inside the bearing member 102, so that the quick-release button 101 can move up and down freely inside the bearing member 102; the bearing member 102 is rigidly fixed to the rigid rod 2 by two screws; the helmet fixing member 103 is rigidly connected to the helmet by screws; the spring ejecting member 104 is connected to the helmet surface and is built inside the helmet fixing member 103, and a spring is provided inside the spring ejecting member 104.

[0039] The shoulder bearing platform 5 is a U-shaped platform, and elastic rod connectors 501, shoulder pad connectors 502, elastic shoulder pads 503, and webbing interfaces 504 are symmetrically provided at both ends of the opening of the U-shaped platform;

[0040] Combined with Figure 6 , the left and right elastic rods 4 are respectively connected to the corresponding elastic rod connectors 501 provided at both ends of the opening of the U-shaped platform by screws. A hole is provided in the middle of the elastic rod connector 501. The shoulder pad connector 502 passes through the reserved hole of the elastic rod connector 501 and is connected to the elastic shoulder pad 503. The elastic shoulder pad 503 is U-shaped, and the webbing interface 504 is provided at the open end of the U-shaped, and the webbing interface 504 is connected to an external connecting webbing and is used to connect with the worn equipment to play a limiting role.

[0041] The flexible shoulder pad 503 is made of a flexible material with a flexible liner on the outer surface, and is used to fit the human shoulder and evenly apply the force transmitted by the head-mounted platform on the human shoulder and neck. The flexible material is carbon fiber.

[0042] Working method of a load transfer device for a head-mounted platform of the present invention

[0043] Combined with Figure 3 , when the load transfer device is installed, the bearing member 102 is pushed into the card slot of the helmet fixing member 103. The spring ejecting member 104 has an inclined surface in the pushing direction, which pushes the bearing member 102 to move the spring ejecting member 104 downward, compressing the spring inside it. Finally, the bearing can be completely pushed into the card slot reserved by the helmet fixing member. After reaching the limit position, under the elastic force of the compressed spring, the spring ejecting member 104 moves upward and inserts into the hole in the center of the bearing. At the same time, it continues to push the quick-release button upward. At this time, the whole structure is self-locked, realizing the fixation of the load transfer main device and the head-mounted platform;

[0044] When the load transfer device is in use, the user wears the helmet normally and requires the helmet to be relatively fixed to the user's head. Subsequently, the elastic shoulder pads 503 are placed on both sides of the shoulders, so that the shoulder pads 503 are in full contact with the user's neck and shoulders around the user's neck. If necessary, the shoulder pads 503 can be fixed to the user's shoulders through the webbing interface 504 using straps, making the left and right elastic rods 4 in a compressed and bent state. At this time, under the elastic force of the flexible material, the load transfer device transfers the helmet load through the force transmission path of the top quick-release part 1 - rigid rod 2 - connecting part 3 - elastic rod 4 - shoulder bearing platform 5 to the user's shoulders to achieve the effect of load transfer;

[0045] Combined with Figure 4 , when the load transfer device is quickly disassembled, the quick-release button 101 is pressed, which pushes the spring ejecting member 104 to move downward. When it reaches the limit position, the self-locking state is released. At this time, the bearing member 102 can be pulled out from the helmet fixing member 103 to achieve the quick disassembly of the load transfer device main body.

[0046] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0047] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A load transfer device for a head-mounted platform, characterized in that: It comprises a top quick-release part (1), a rigid rod (2), a connecting part (3), an elastic rod (4), and a shoulder bearing platform (5); The top quick-release part (1) connects the helmet and the rigid rod (2) to provide a rotational freedom and a quick-release function; The rigid rod (2) is used to transfer the load of the helmet to the connecting member (3) and the elastic rod (4); The connecting member (3) connects the rigid rod (2) and the elastic rod (4) and is used to cooperate with the rigid rod (2) to adjust the height of the device to fit different wearers; The elastic rod (4) is used to provide a supporting reaction force and a torque through deformation, and the elastic rod (4) is divided into two left and right branches, and one end of the left and right elastic rods (4) is connected to the connecting member (3); The shoulder bearing platform (5) is correspondingly connected to the other ends of the left and right elastic rods (4), and is used to evenly apply the weight transferred from the head-mounted platform to the shoulders to achieve load transfer.

2. A load transfer device for a head-mounted platform according to claim 1, characterized in that: One end of the rigid rod (2) is connected to the top quick-release component (1) via a screw, and the other end of the rigid rod (2) is provided with a plurality of holes, which are connected to the connecting component (3) via screws, and are used to adjust the height of the load transfer body to meet the wearing needs of different groups of people.

3. A load transfer device for a head-mounted platform according to claim 2, characterized in that: The top quick-release component (1) comprises a quick-release button (101), a bearing component (102), a helmet fixing component (103), and a spring ejector component (104); the quick-release button (101) is fixed to the axis of the bearing component (102); a cylindrical slot is provided inside the bearing component (102), so that the quick-release button (101) can move freely up and down inside the bearing component (102); the bearing component (102) is rigidly fixed to the rigid rod (2) by two screws; the helmet fixing component (103) is rigidly connected to the helmet by screws; the spring ejector component (104) is connected to the surface of the helmet and is built into the helmet fixing component (103); a spring is provided inside the spring ejector component (104).

4. The load transfer device for a head-mounted platform according to claim 1, characterized in that: The shoulder bearing platform (5) is a U-shaped platform, and the two ends of the opening of the U-shaped platform are symmetrically provided with an elastic rod connecting piece (501), a shoulder pad connecting piece (502), an elastic shoulder pad (503), and a webbing interface (504); The left and right elastic rods (4) are respectively connected to the elastic rod connecting pieces (501) arranged at the two ends of the U-shaped platform opening by screws. A hole is arranged in the middle of the elastic rod connecting piece (501). The shoulder pad connecting piece (502) passes through the reserved hole of the elastic rod connecting piece (501) and is connected to the elastic shoulder pad (503). The elastic shoulder pad (503) is U-shaped, and the U-shaped opening end thereof is provided with the webbing interface (504). The webbing interface (504) is connected to an external connecting webbing and is used to connect to the wearable equipment to play a limiting role.

5. A load transfer device for a head-mounted platform according to claim 4, characterized in that: The flexible shoulder pad (503) is made of a flexible material with a flexible liner on the outer surface, and is used to fit the shoulders of the human body to evenly apply the force transmitted by the head-mounted platform to the shoulders and neck of the human body, and the flexible material is carbon fiber.

6. A method for operating a load transfer device for a head-mounted platform according to any one of claims 1 to 5, characterized in that: When the load transfer device is installed, the bearing member (102) is pushed into the slot of the helmet fixing member (103). The spring ejector member (104) has an inclined surface in the pushing direction, and the bearing member (102) is pushed so that the spring ejector member (104) moves downward, pushing the spring inside it to compress, and finally the bearing can be completely pushed into the slot reserved for the helmet fixing member. After reaching the limit position, under the elastic force of the spring in the compressed state, the spring ejector member (104) moves upward and is inserted into the hole in the center of the bearing, while continuing to push the quick release button upward. At this time, the entire structure is self-locking, so that the load transfer main device and the head-mounted platform are fixed; When the load transfer device is used, the user wears the helmet normally and requires the helmet and the user's head to be relatively fixed. Then, the elastic shoulder pads (503) are placed on both sides of the shoulders so that the shoulder pads (503) surround the user's neck and fully contact the user's shoulders. If necessary, the shoulder pads (503) can be fixed to the user's shoulders using straps through the webbing interface (504) so ​​that the left and right elastic rods (4) are in a compressed and bent state. At this time, under the elastic force of the flexible material, the load transfer device transfers the helmet load to the user's shoulders through the force transmission path of the top quick release part (1) - rigid rod (2) - connecting part (3) - elastic rod (4) - shoulder bearing platform (5), so as to achieve the effect of load transfer. When the load transfer device is quickly disassembled, the quick-release button (101) is pressed, which pushes the spring ejector (104) to move downward. When the spring ejector reaches the limit position, the self-locking state is released. At this time, the bearing component (102) can be pulled out of the helmet fixing component (103), thereby realizing the quick disassembly of the main body of the load transfer device.

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