CN210401848U - Eyesight protection MR helmet of adjustable stadia - Google Patents
Eyesight protection MR helmet of adjustable stadia Download PDFInfo
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- CN210401848U CN210401848U CN201921619684.8U CN201921619684U CN210401848U CN 210401848 U CN210401848 U CN 210401848U CN 201921619684 U CN201921619684 U CN 201921619684U CN 210401848 U CN210401848 U CN 210401848U
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- inner cover
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Abstract
The utility model discloses a vision protection MR helmet of adjustable stadia, including dustcoat and inner cover, install the display screen in the dustcoat, dustcoat and inner cover fixed connection, be provided with two eccentric free-form surface lenses of symmetry in the inner cover, two the fixed frame of equal fixedly connected with lens on the eccentric free-form surface lens, the both ends homogeneous body shaping of the fixed frame of lens has the guide ring, two guide bars of fixedly connected with symmetry on the inner wall of inner cover, and guide ring and guide bar clearance fit, two be connected with the connecting block between the fixed frame of lens jointly. The utility model discloses a rotation of dwang drives two fixed frames of lens simultaneously and removes for eccentric free-form surface lens takes place the stadia simultaneously and adjusts, avoids taking place the problem that the stadia deviation takes place for independent control, thereby better adaptation different people watch the needs.
Description
Technical Field
The utility model relates to a MR helmet technical field especially relates to an eyesight protection MR helmet of adjustable stadia.
Background
An application of MR helmets in the mixed reality technology is mainly to close the human vision and hearing to the outside through a head-mounted display, and guide the user to generate a sense of being in a virtual environment, and the principle is to enlarge a near object to a far object through an optical system to be viewed so as to achieve the so-called holographic vision;
the traditional MR helmet has fixed visual distance, and different pupils are different, so that the fixed visual effect is not favorable for meeting the types of different people, and meanwhile, as the 'vision protection VR helmet capable of adjusting visual distance' provided by the publication No. CN208937825U, although the visual distance can be adjusted, the visual distance adjustment is mainly completed by adjusting the distance of the display screen, and more cables are connected to the display screen, so that the distance change is performed on the display screen, and the problem of instability or even disconnection of the connection line of the display screen is easily caused, so that a visual distance adjustment mode with higher safety is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art and providing an eyesight protection MR helmet with adjustable sight distance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an eyesight protection MR helmet of adjustable stadia, includes dustcoat and inner cover, installation display screen in the dustcoat, dustcoat and inner cover fixed connection, be provided with two eccentric free-form surface lenses of symmetry in the inner cover, two the fixed frame of equal fixedly connected with lens on the eccentric free-form surface lens, the equal integrated into one piece in both ends of the fixed frame of lens has the guide ring, two guide bars of fixedly connected with symmetry on the inner wall of inner cover, and guide ring and guide bar clearance fit, two be connected with the connecting block jointly between the fixed frame of lens, be connected with the lead screw on the inner wall of inner cover, connecting block and lead screw thread fit.
Preferably, both ends of the inner cover are fixedly connected with an elastic head band together.
Preferably, the rotation is connected with the dwang on the inner cover, the one end of dwang is worn into in the inner cover and is welded there is drive bevel gear, the one end welding that the lead screw is close to the dwang has driven bevel gear, and drive bevel gear and driven bevel gear mesh mutually.
Preferably, the end of the guide rod, which is far away from the inner wall of the inner cover, is not connected with the inner cover, and a circular perforation is arranged at the position of the inner cover, which corresponds to the guide rod, and a plugging cap is connected with the inner cover through threads.
Preferably, the lens fixing frame is provided with a positioning hole at one end close to each other, and the positioning holes of the connecting block and the lens fixing frame are connected with screws through common threads.
Preferably, a leather washer is fixedly connected to the outer ring at one end of the inner cover far away from the outer cover.
Compared with the prior art, the utility model has the following benefits:
1. the utility model drives the two lens fixing frames to move simultaneously through the rotation of the rotating rod, so that the eccentric free-form surface lens simultaneously has the sight distance adjustment, and the problem of sight distance deviation caused by independent adjustment is avoided, thereby better adapting to the watching needs of different people;
2. fix two lens fixed blocks through the connecting block, the inner cover can be worn out to the uide ring, is convenient for change eccentric free-form surface lens, and carries out the shutoff through the circular perforation of shutoff cap to the uide ring, guarantees the integrality of inner cover, has reduced the transformation to the outward appearance.
Drawings
Fig. 1 is a structural diagram of a vision protection MR helmet with adjustable visual range according to the present invention;
fig. 2 is a schematic view of a lens fixing frame of the vision protection MR helmet with adjustable visual range according to the present invention;
fig. 3 is an enlarged view of a portion a of the vision-protecting MR helmet with adjustable viewing distance according to the present invention;
fig. 4 is a schematic view of a leather washer of the vision protection MR helmet with adjustable visual range of the present invention.
In the figure: the lens comprises an outer cover 1, a display screen 2, an inner cover 3, a lens fixing frame 4, an eccentric free-form surface lens 5, a guide rod 6, a connecting block 7, a guide ring 8, a screw 9, a rotating rod 10, a screw rod 11 and a leather washer 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a vision protection MR helmet with adjustable visual range comprises an outer cover 1 and an inner cover 3, a display screen 2 is installed in the outer cover 1, the outer cover 1 and the inner cover 3 are fixedly connected, two symmetrical eccentric free-form surface lenses 5 are arranged in the inner cover 3, a lens fixing frame 4 is fixedly connected to each of the two eccentric free-form surface lenses 5, guide rings 8 are integrally formed at both ends of the lens fixing frame 4, two symmetrical guide rods 6 are fixedly connected to the inner wall of the inner cover 3, the guide ring 8 is in clearance fit with the guide rod 6, the two lens fixing frames 4 are connected with the connecting block 7, the inner wall of the inner cover 3 is connected with the screw rod 11, the connecting block 7 is in threaded fit with the screw rod 11, the guide ring 8 is matched with the guide rod 6, so that the lens fixing blocks can only do linear motion, and the connecting block 7 drives the two lens fixing frames 4 to move simultaneously.
The both ends of inner cover 3 are fixed connection elasticity bandeau jointly, and elasticity bandeau cover is overhead to outer cover 1 and inner cover 3 carry out stably. The inner cover 3 is connected with a rotating rod 10 in a rotating mode, one end of the rotating rod 10 penetrates into the inner cover 3 and is welded with a driving bevel gear, the screw rod 11 is welded with a driven bevel gear close to one end of the rotating rod 10, the driving bevel gear is meshed with the driven bevel gear, the screw rod 10 rotates, the driving bevel gear can drive the driven bevel gear to rotate, and therefore the screw rod 11 rotates and drives the connecting block 7 to move.
The one end that 3 inner walls of inner cover were kept away from to guide bar 6 is not connected with inner cover 3, and inner cover 3 has seted up circular perforation and threaded connection to have a shutoff cap corresponding to the position of guide bar 6 for guide ring 8 wears into inner cover 3 and cup joints behind guide bar 6, makes the shutoff cap seal circular perforation. The locating hole has all been seted up to the one end that the fixed frame 4 of lens is close to each other, and common threaded connection has screw 9 between the locating hole of the fixed frame 4 of connecting block 7 and lens, fixes the fixed frame 4 of connecting block 7 and lens through screw 9. The outer ring of one end of the inner cover 3 far away from the outer cover 1 is fixedly connected with a leather washer 12, which is convenient for the skin of a human body to contact.
The utility model discloses during the use, when needs adjust the stadia, can make dwang 10 rotate, thereby make lead screw 11 rotate through the initiative bevel gear, lead screw 11 rotates and drives connecting block 7 and take place to remove, thereby make connecting block 7 drive two fixed frames 4 of lens and move simultaneously, make the fixed eccentric free-form surface lens 5 of fixed on the fixed frame 4 of lens take place to remove, thereby adjust the image refraction effect, play the purpose of adjusting the stadia, corotation and reversal are carried out dwang 10 according to actual needs, make the stadia adjust nearly or adjust far;
when the lens needs to be replaced, the lens fixing frame 4 is close to the inner cover 3, the screw 9 is screwed out, and the plugging cap is screwed out, so that the lens fixing frame 4 can be separated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An eyesight protection MR helmet capable of adjusting visual range comprises an outer cover (1) and an inner cover (3), it is characterized in that a display screen (2) is arranged in the outer cover (1), the outer cover (1) is fixedly connected with the inner cover (3), two symmetrical eccentric free-form surface lenses (5) are arranged in the inner cover (3), lens fixing frames (4) are fixedly connected on the two eccentric free-form surface lenses (5), two ends of the lens fixing frame (4) are integrally formed with guide rings (8), the inner wall of the inner cover (3) is fixedly connected with two symmetrical guide rods (6), the guide ring (8) is in clearance fit with the guide rod (6), a connecting block (7) is connected between the two lens fixing frames (4), the inner wall of the inner cover (3) is connected with a screw rod (11), and the connecting block (7) is in threaded fit with the screw rod (11).
2. A vision-protection MR helmet with adjustable viewing distance according to claim 1, characterized in that an elastic headband is fixedly connected to both ends of the inner cover (3) together.
3. The vision protection MR helmet with the adjustable visual range according to claim 1, characterized in that a rotating rod (10) is rotatably connected to the inner cover (3), one end of the rotating rod (10) penetrates into the inner cover (3) and is welded with a driving bevel gear, one end of the screw rod (11) close to the rotating rod (10) is welded with a driven bevel gear, and the driving bevel gear is meshed with the driven bevel gear.
4. The vision protection MR helmet with the adjustable visual range according to claim 1, characterized in that the end of the guide rod (6) far away from the inner wall of the inner cover (3) is not connected with the inner cover (3), and the inner cover (3) is provided with a circular through hole corresponding to the position of the guide rod (6) and is in threaded connection with a plugging cap.
5. The vision protection MR helmet with the adjustable visual range according to claim 1, characterized in that the lens fixing frames (4) are provided with positioning holes at the ends close to each other, and the connecting blocks (7) and the positioning holes of the lens fixing frames (4) are connected with screws (9) through common threads.
6. A vision protection MR helmet with adjustable viewing distance according to claim 1, characterized in that a leather washer (12) is fixedly attached to the outer ring at the end of the inner cover (3) remote from the outer cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619684.8U CN210401848U (en) | 2019-09-27 | 2019-09-27 | Eyesight protection MR helmet of adjustable stadia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619684.8U CN210401848U (en) | 2019-09-27 | 2019-09-27 | Eyesight protection MR helmet of adjustable stadia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401848U true CN210401848U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619684.8U Active CN210401848U (en) | 2019-09-27 | 2019-09-27 | Eyesight protection MR helmet of adjustable stadia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210401848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099232A (en) * | 2020-09-28 | 2020-12-18 | 上海诠视传感技术有限公司 | Adjustable intelligence glasses |
-
2019
- 2019-09-27 CN CN201921619684.8U patent/CN210401848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099232A (en) * | 2020-09-28 | 2020-12-18 | 上海诠视传感技术有限公司 | Adjustable intelligence glasses |
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