CN216927267U

CN216927267U - Head-mounted fixing device

Info

Publication number: CN216927267U
Application number: CN202123139166.6U
Authority: CN
Inventors: 陈锡勋
Original assignee: E Lead Electronic Co Ltd
Current assignee: Far Horizon Technology Co.,Ltd.
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-08
Anticipated expiration: 2031-12-14

Abstract

The utility model is a head-mounted fixing device, comprising: the head frame comprises two side frame parts, a front frame part and an elastic sheet, wherein the front frame part is positioned between the two side frame parts and connected with the two side frame parts; the head cover is provided with a ring part and a top part, two ends of the ring part are respectively connected with the two side frame parts, one end of the top part is connected with the other end of the elastic sheet, and the other end of the top part is connected with the ring part.

Description

Head-mounted fixing device

Technical Field

The present invention relates to a fixing device, and more particularly, to a head-mounted fixing device.

Background

At present, medical science has proved that 5% of the reasons of myopia belong to genetic factors, other reasons of myopia mostly belong to long-term near-reading, and the main activities of long-term near-reading mainly include reading and writing, and with the progress of civilization, the time for reading mobile phones, tablets and computers is greatly increased in recent years, and human myopia gradually becomes a normal state.

Generally, myopia is the result of an increase in the length of the eyeball, which changes from a circular shape to an elliptical shape. When looking at a distant scene, the crystal cannot change shape by adaptation, so that the image cannot be projected on the retina correctly. Especially children's crystallines are still in the developmental stage, which are more prone to shape changes due to overuse of the eye. From the foregoing, it is clear that how to limit the distance of the object to be seen from being too close to the eye has become an important issue for modern people.

Please refer to taiwan publication No. I677709, which discloses a display device assembly, mainly comprising a frame, an optical assembly and an auxiliary member, wherein a user can place a display unit (e.g., a mobile phone) on the frame, and more particularly, the optical assembly is disposed on the frame and located on a transmission path of an image beam of the display unit, and the optical assembly is a concave lens with multiple layers of coatings, so that the image beam provided by the display unit is transmitted to the optical assembly and reflected to eyes of the user by the multiple layers of coatings on the optical assembly, so that the user can view the optical assembly in a viewing direction, and obtain a virtual image when viewing the optical assembly, thereby combining the virtual image with an environment image presented by a real world.

However, the design of such a fixture has a problem of being unstable to wear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a head-mounted fixing device which can be stably worn.

A head-mounted fixture, comprising:

the head frame comprises two side frame parts and a front frame part which is positioned between the two side frame parts and is connected with the two side frame parts, and the two side frame parts and the front frame part are made of hard materials;

the first end of the elastic sheet is connected with the front frame part; and;

the headgear comprises a ring portion and a top portion, wherein two ends of the ring portion are respectively connected with the two side frame portions, one end of the top portion is connected with the other end of the elastic sheet, and the other end of the top portion is connected with the ring portion.

In a preferred embodiment, two ends of the two side frame portions are respectively provided with through holes, the ring portion is a head band, one end of the ring portion penetrates through one of the through holes, the other end of the ring portion penetrates through the other through hole, and the ring portion is adhered to the ring portion through velcro so that the ring portion is connected with the two side frame portions.

In a preferred embodiment, the elastic sheet has at least a stretchable structure.

In a preferred embodiment, a through hole is formed at one end of the elastic sheet connected with the top, and one end of the top connected with the elastic sheet passes through the through hole and is adhered to the top through velcro so as to connect the top with the elastic sheet.

In a preferred embodiment, the top portion is composed of the elastic sheet, one end of the elastic sheet is connected to the front frame portion, and the other end of the elastic sheet is provided with two through holes for the ring portion to pass through.

In a preferred embodiment, wherein, the arm set is connected with the head frame;

the reflecting module is arranged on the supporting arm group and provided with a reflecting sheet for reflecting the projection image;

the amplifying module is connected with the supporting arm group, so that the reflecting module is positioned between the amplifying module and the human head position, and the amplifying module is provided with an amplifying sheet which is used for receiving the projected image, amplifying the projected image and projecting the amplified image to the human eye position.

In a preferred embodiment, the two side frame portions are pivotally connected to the front frame portion, and a first rotating shaft is disposed at each pivot of the two side frame portions and the front frame portion.

In a preferred embodiment, the headgear further comprises: two counterweight components are arranged at two ends of the ring part.

At least one of the amplifying module and the reflecting module is provided with a second rotating shaft at each pivot joint with the supporting arm group.

By means of the virtual image formation principle of the concave mirror, the object is amplified by several times and imaged at a distance farther than the actual object distance, the problem that a user sees a near object for a long time is solved by using the optical technology, the distance seen by the vision of eyes is beyond a meter, and the object is amplified to be seen clearly by the user.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a side view of the present invention in a first embodiment;

FIG. 3 is a perspective view of a second embodiment of the present invention;

FIG. 4 is a side view of the present invention in a third embodiment;

fig. 5 is a side view of the present invention in a fourth embodiment. .

The symbols in the figures indicate:

head frame 10

Side frame part 11

Through-hole 12

Front frame portion 13

Liner 14

First rotating shaft 15

Reflection module 20

Reflection sheet 21

Amplification module 30

Amplifying plate 31

Head cover 40

Ring portion 41

Devil felt 411

Counterweight assembly 412

Top 42

Elastic sheet 421

Telescopic structure 4211

Through

hole

4212, 4211B

Devil's felt 422

Wearing space 43

Arm set 50

Second rotation shaft set 51

Fulcrums G1, G2

Force F1, F2

Detailed Description

Referring to fig. 1 and 2, the present invention is a head-mounted fixing device, mainly including a supporting arm set 50, a head frame 10, a reflection module 20, an amplification module 30 and a head cover 40, wherein:

the head frame 10 comprises two side frame portions 11 and a front frame portion 13 located between the two side frame portions 11 and connected to the two side frame portions 11, the two side frame portions 11 are used for abutting against two opposite sides of the head of a user, the front frame portion 13 is used for abutting against the forehead of the user, and the two side frame portions 11 and the front frame portion 13 are made of hard materials; in the present embodiment, the two side frame portions 11 are respectively pivoted to two opposite ends of the front frame portion 13, and a first rotating shaft 15 is disposed at each pivot point of the front end of the two side frame portions 11 and the front frame portion 13; however, the present disclosure is not limited to this pivot mode, and the two side frame portions 11 can be folded by pivoting the first pivot shaft 15 when not in use. In this embodiment or other embodiments, a pad 14 is disposed on a surface of the front frame 13 facing the head, the pad 14 is used for abutting against the forehead to improve comfort of wearing, and two ends of the two side frames 11 are respectively provided with a through hole 12.

The arm unit 50 is connected to the head frame 13.

The reflection module 20 is disposed on the arm assembly 50, and the reflection module 20 has a reflection sheet 21, and the reflection sheet 21 is used for reflecting the projection image; in the present embodiment, the reflection module 20 reflects the projected image toward the front of the head of the human body.

The magnifying module 30 is connected to the arm set 50, so that the reflecting module 20 is located between the magnifying module 30 and the head of the human body, the magnifying module 30 has a magnifying piece 31, and the magnifying piece 31 is used for receiving the projected image, magnifying the projected image and projecting the magnified image to the eye position of the human body; in this embodiment, the imaging principle of the amplifying sheet 31 is imaging through a concave mirror, so that the virtual image in the amplifying sheet 31 can be amplified, and the distance between the virtual image can be further increased, please refer to fig. 5, the arm set 50 is pivotally connected to the amplifying module 30 through the second rotating shaft set 51, so that the inclination angle of the amplifying module 30 can be adjusted. However, the present invention is not limited to the pivot connection, and referring to fig. 4, the second rotating shaft set 51 can also be disposed between the arm set 50 and the reflective module 30, so that the tilt angle of the reflective module 20 can be adjusted.

A resilient plate 421, a first end of the resilient plate 421 being connected to the front frame portion 13, the resilient plate 421 being configured to abut against the top of the head of the user, so that the resilient plate 421 can bend and abut against the top of the head, the resilient plate 421 having at least a retractable structure 4211, the retractable structure 4211 being, for example, but not limited to, a wave structure and being made of an elastic material, and thus being capable of being stretched, compressed and bent.

The head cover 40 has a ring portion 41 and a top portion 42, two ends of the ring portion 41 are respectively connected to the arm sets 10, one end of the top portion 42 is connected to the arm sets 10, and the other end of the top portion 42 is connected to the ring portion 41, so that a wearing space 43 is formed among the ring portion 41, the top portion 42 and the arm sets 10; in the first embodiment, the ring portion 41 is a headband, one end of the ring portion 41 passes through one of the through holes 12, the other end of the ring portion 41 passes through the other through hole 12, and is folded back and adhered to the ring portion 41 through the velcro 411 respectively disposed at the two ends of the ring portion 41, and meanwhile, the length of the ring portion 41 can be adjusted by the cooperation of the ring portion 41 and the velcro 411, wherein the front frame portion 13 is used to abut against the forehead of a user to provide a fulcrum G1, the elastic sheet 421 supports the fulcrum G1 with its elastic force, so that the front frame portion 13 cannot slide down, the ring portion 41 is used to surround and abut against the back of the head of the user, and the two side frame portions 11 are used as levers, so that the ring portion 41 prevents the head-mounted fixing device from falling forward.

Referring to fig. 1 and 2, in the first embodiment, an end of the flexible sheet 421 connected to the top portion 42 is provided with a through hole 4212, and an end of the top portion 42 connected to the flexible sheet 421 passes through the through hole 4212 and is adhered to the top portion 42 by the velcro 422, so that the top portion 42 is connected to the flexible sheet 421, and the top portion 42 and the velcro 422 cooperate with each other to adjust the length of the top portion 42. Referring to fig. 3, in the second embodiment, the top portion 42 is only composed of the elastic sheet 421, one end of the elastic sheet 421 is connected to the front frame portion 13 of the head frame 10, the other end of the elastic sheet 421 is provided with two through holes 4211B, and the two through holes 4211B are provided for the ring portion 41 to pass through.

Referring to fig. 4, the third embodiment further includes: two weight components 412, which are disposed on two sides of the ring portion 41, and the two side frame portions 11 are abutted against two opposite sides of the head portion to provide two fulcrums G2, and the two weight components 412 use the lever principle, and take the two fulcrums G2 as the center, and by the downward force F2 of the two weight components 412, the arm set 50 generates an upward force F1, so that the reflection module 20 and the amplification module 30 do not sag, and the design makes the ring portion 41 not need to tighten the head portion of the user, thereby improving the comfort level during use.

In the above description, the structural configuration and the connection relationship of the present invention in a preferred embodiment are as follows:

the user penetrates this wearing space 43 with the head after, the vision the place ahead of its human eyes position will be towards this enlarged module 30, and the image in the place ahead of user's vision utilizes physical optics, the virtual image of concave mirror becomes an item principle, make the object enlarge the several times and form images and more far apart than actual object distance, the problem of near thing is seen in order to solve the user for a long time to the application this optical technology, not only let the distance that eyes vision saw outside a metric, more let the object enlarge in order to let the user can see clearly.

Claims

1. A head-mounted fixture, comprising:

the head frame comprises two side frame portions and a front frame portion which is located between the two side frame portions and connected with the two side frame portions, and the two side frame portions and the front frame portion are made of hard materials;

one end of the elastic sheet is connected with the front frame part; and;

the head cover is provided with a ring part and a top part, two ends of the ring part are respectively connected with the two side frame parts, one end of the top part is connected with the other end of the elastic sheet, and the other end of the top part is connected with the ring part;

the front frame portion is used for abutting against the forehead of a user so as to provide a fulcrum, the elastic sheet supports the fulcrum through the elastic force of the elastic sheet, and the ring portion is used for surrounding and abutting against the back of the head of the user.

2. The head-mounted fixing device of claim 1, wherein two ends of the two side frame portions are respectively provided with a through hole, the ring portion is a headband, one end of the ring portion passes through one of the through holes, the other end of the ring portion passes through the other through hole, and the ring portion is adhered to the two side frame portions through velcro so as to connect the ring portion and the two side frame portions.

3. The headgear-mounting assembly of claim 1, wherein the elastic sheet has at least a stretchable configuration.

4. The head-mounted fixing device of claim 1, wherein a through hole is formed at one end of the elastic sheet connected with the top, and the top is connected with the elastic sheet by passing through the through hole and adhering the end of the elastic sheet connected with the top to the top through velcro.

5. The head-mounted fixing device of claim 1, wherein the top portion is composed of the elastic sheet, one end of the elastic sheet is provided with two through holes, and the two through holes are used for the ring portion to pass through.

6. The head-mounted fixture of claim 1, further comprising two weight elements disposed on opposite sides of the ring portion.

7. The head-mounted fixing device of claim 1, wherein the two side frame portions are pivotally connected to the front frame portion, and a first pivot shaft is provided at each pivot of the two side frame portions and the front frame portion.

8. The head-mounted fixture of claim 1, further comprising:

a support arm group connected to the head frame;

the reflection module is arranged on the support arm group and provided with a reflection sheet for reflecting the projection image;

the amplifying module is connected with the arm group, so that the reflecting module is positioned between the amplifying module and the head position of the user, the amplifying module is provided with an amplifying sheet, and the amplifying sheet is used for receiving the projection image and projecting the projection image to the eye position of the user after being amplified.

9. The head-mounted fixture of claim 8, wherein a second pivot axis is provided at each pivot of the set of arms and at least one of the amplification module and the reflection module.

10. The head-mounted fixture of claim 8, wherein the reflector plate is a convex mirror and the amplification plate is a concave mirror.