CN108227194B - Vehicle-mounted head-up display combined mirror collecting and releasing assembly with locking anti-collision function - Google Patents
Vehicle-mounted head-up display combined mirror collecting and releasing assembly with locking anti-collision function Download PDFInfo
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- CN108227194B CN108227194B CN201711415624.XA CN201711415624A CN108227194B CN 108227194 B CN108227194 B CN 108227194B CN 201711415624 A CN201711415624 A CN 201711415624A CN 108227194 B CN108227194 B CN 108227194B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
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Abstract
The invention provides a vehicle-mounted head-up display combined mirror folding and unfolding assembly with a locking anti-collision function, which comprises a mounting support, a rotating arm, a combined mirror, a pre-positioning mechanism and the like; the locking mechanism comprises a handle, a handle shaft, a handle sleeve, a compression spring and the like. When the vehicle-mounted head-up display works, the rotating arm and the combined mirror are in the use position, and the locking mechanism is in a locking state; when the vehicle-mounted head-up display stops working, the locking mechanism can be unlocked, the rotating arm and the combined mirror are retracted to the retracted position, and the locking mechanism is locked, so that the occupation of the retraction mechanism on the cab space and the shielding of the sight of a driver can be effectively reduced, and the man-machine effect is improved; under high-speed braking and other emergency conditions, a driver inclines forwards by taking a sitting point as a fulcrum, and the combined mirror and the rotating arm can be thrown forwards to corresponding positions automatically to give way, so that the driver is prevented from being injured.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted head-up display, in particular to a vehicle-mounted head-up display combined mirror folding and unfolding assembly with a locking anti-collision function.
Background
The vehicle-mounted head-up display is a key component of a vehicle auxiliary driving system, can assist a war chariot to realize night light-off driving, reduces the probability of being found by enemies, meets the requirement of night quick concealed transportation on a battlefield, enhances the visual field of a driver, improves the driving comfort and improves the night-vision and night fighting capacity of troops.
Present on-vehicle head-up display all is fixed structure, and in the use, man-machine efficiency is relatively poor, moreover under emergency, probably causes the injury to personnel in the car.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a vehicle-mounted head-up display combined mirror folding and unfolding assembly with a locking anti-collision function. For this type of on-board head-up display, the head-up display device has only the combination mirror retraction assembly located within the cab. The folding and unfolding component consists of a combined mirror and a rotating arm, and the combined mirror is connected with the projection component through the rotating arm. When using the heads-up device, the combiner mirror is located directly in front of the driver's eye position. When the head display equipment is not used, the combined mirror can be retracted, so that the head space of a driver is saved, and the shielding of the rotating arm and the combined mirror on the sight of the driver is reduced; when the head-up display equipment is used, the combined mirror can be conveniently unfolded and the use precision can be ensured. In addition, the retraction mechanism is provided with a quick locking mechanism at the retraction position and the expansion position, so that the combined mirror is prevented from being separated from the preset position to cause injury to a driver. Meanwhile, in an emergency situation, the combined mirror and the rotating arm can be thrown away automatically, and the injury to a driver is avoided.
The combined mirror retractable component of the invention has three positions, and three kinds of function distribution corresponding to the combined mirror retractable component are as follows: the use function, pack up the function, collision safeguard function. The locking mechanism can realize locking and unlocking of the rotating arm, the pre-positioning mechanism can realize preliminary positioning of the rotating arm, the collision protection mechanism can realize throwing-out of the rotating arm, and the three mechanisms are realized in the same axial direction.
According to the principle, the technical scheme of the invention is as follows:
the vehicle-mounted head-up display combined mirror collecting and releasing assembly with the locking and anti-collision functions comprises a mounting support, a rotating arm, a rotating shaft and a shaft cover; the mounting support is fixed on the carrier, and the connecting part at the lower part of the mounting support is divided into a mounting seat and a mounting flange; the mounting seat is provided with an axial blind hole which is in running fit with one end of the rotating shaft; the mounting flange is fixedly connected with the shaft cover, and a blind hole is formed in the center of the shaft cover and is in running fit with the other end of the rotating shaft; the upper part of the rotating arm is provided with a through hole which is matched with the rotating shaft, the rotating arm and the rotating shaft are fixed through a pin, and the rotating shaft can drive the rotating arm to synchronously rotate; the lower part of the rotating arm is connected with the combined mirror;
the method is characterized in that:
the through hole at the upper part of the rotating arm is a step through hole, wherein the small diameter part is matched with the rotating shaft, and the large diameter part is provided with a disc spring; the disc spring is sleeved on the rotating shaft;
the retraction assembly further comprises a V-shaped wheel and a steel ball; an axial through hole is formed in the center of the V-shaped wheel and is matched with the rotating shaft through a bearing; the V-shaped wheel is positioned between the rotating arm and the shaft cover and is axially constrained; the end surface of the V-shaped wheel facing the rotating arm is provided with a radial V-shaped groove, the steel ball is positioned in the V-shaped groove, the diameter of the steel ball is larger than the depth of the V-shaped groove, and two sides of the steel ball are restrained by the disc spring and the V-shaped wheel; two taper holes are formed in the end face, back to the rotating arm, of the V-shaped wheel and correspond to the positions of the combined mirror in the use state and the retracted state respectively;
the retraction assembly further comprises a locking mechanism; the locking mechanism comprises a handle, a handle sleeve, a handle shaft and a compression spring; the center of the handle sleeve is provided with an axial step through hole, and the side wall of the outer section of the handle sleeve is provided with an inclined plane notch; the handle sleeve is arranged in the axial through hole of the shaft cover; the front end of the handle shaft is provided with a conical head, and the rear part of the conical head is provided with a radial boss; the handle shaft is arranged in the axial step through hole of the handle sleeve, the handle shaft is sleeved with a compression spring, and two ends of the compression spring are restrained by the radial boss of the handle shaft and the step surface of the axial step through hole of the handle sleeve; the outer section of the handle sleeve is connected with the handle, when the handle rotates, the handle sleeve can be driven to axially move through the inclined plane notch of the handle sleeve, and then the handle sleeve and the compression spring jointly drive the handle shaft to axially extend and retract, and the handle sleeve extends into or is separated from a taper hole in the end face of the V-shaped wheel, which faces away from the rotating arm.
Further preferred scheme, on-vehicle head-up display combination mirror receive and releases subassembly with locking anticollision function, its characterized in that: the device also comprises a pre-positioning mechanism; the pre-positioning mechanism comprises a pre-positioning spring, a pre-positioning wheel and a pre-positioning pin; the pre-positioning wheel is coaxially sleeved on the rotating arm, the pre-positioning spring is sleeved on the pre-positioning pin, is installed in the installation support and is acted by the pre-positioning spring, and the end part of the pre-positioning pin can be matched with the V-shaped pin groove on the outer side surface of the pre-positioning wheel; the V-shaped pin slot positions correspond to the positions of the combined mirror in the using state and the retracting state.
Advantageous effects
The invention realizes the functions of retraction and extension, collision protection and locking through a single shaft. The space of the cab is saved, the injury to a driver is avoided, the man-machine effect is improved, and the use environment of the vehicle is expanded.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of the mirror assembly and its locking mechanism;
FIG. 2 is an exploded view of the principal components of the present invention;
FIGS. 3 and 4 are front cross-sectional views of the retraction assembly and the locking mechanism;
FIG. 5 is a V-wheel;
FIG. 6 is a schematic view of a handle cover;
FIG. 7 is a partial right side view of FIG. 1;
FIG. 8 is a schematic view of the present invention in use on a vehicle;
in the figure: 1. mounting a support; 2. pre-positioning the wheel; 3. a rotating arm; 4. a combination mirror; 5. a shaft cover; 6. a locking mechanism; 6-1, a handle; 6-2 handle sleeves; 6-3 handle shafts; 6-4 compression spring; 7. a right steel sleeve; 8. pre-positioning the spring; 9. pre-positioning pins; 10. a left steel sleeve; 11. a rotating shaft; 12. a steel ball; 13. a pin; 14. a disc spring; 15. and a V-shaped wheel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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 thus, should not be considered as limiting the present invention.
As shown in the attached drawings, the vehicle-mounted head-up display combined mirror retracting assembly with the locking and anti-collision function in the embodiment of the invention comprises a mounting support, a rotating arm, a rotating shaft and a shaft cover.
The mounting support is fixed on the carrier, and the connecting part at the lower part of the mounting support is divided into a mounting seat and a mounting flange; the mounting seat is provided with an axial blind hole and is in running fit with one end of the rotating shaft through the left steel sleeve; the mounting flange is fixedly connected with the shaft cover, a blind hole is formed in the center of the shaft cover, and the blind hole is in running fit with the other end of the rotating shaft through a right steel sleeve; the upper part of the rotating arm is provided with a through hole which is matched with the rotating shaft, the rotating arm and the rotating shaft are fixed through a pin, and the rotating shaft can drive the rotating arm to synchronously rotate; the lower part of the rotating arm is connected with the combined mirror.
The through hole at the upper part of the rotating arm is a step through hole, wherein the small diameter part is matched with the rotating shaft, and the large diameter part is provided with a disc spring; the dish spring cover is on the pivot.
The retraction assembly further comprises a V-shaped wheel and a steel ball; an axial through hole is formed in the center of the V-shaped wheel and is matched with the rotating shaft through a bearing; the V-shaped wheel is positioned between the rotating arm and the shaft cover and is axially constrained; the end surface of the V-shaped wheel facing the rotating arm is provided with a radial V-shaped groove, the steel ball is positioned in the V-shaped groove, the diameter of the steel ball is larger than the depth of the V-shaped groove, and two sides of the steel ball are restrained by the disc spring and the V-shaped wheel; two taper holes are arranged on the end surface of the V-shaped wheel, which is back to the rotating arm, and respectively correspond to the positions of the combined mirror in the use state and the retraction state.
The retraction assembly further comprises a locking mechanism; the locking mechanism comprises a handle, a handle sleeve, a handle shaft and a compression spring; the center of the handle sleeve is provided with an axial step through hole, and the side wall of the outer section of the handle sleeve is provided with an inclined plane notch; the handle sleeve is arranged in the axial through hole of the shaft cover; the front end of the handle shaft is provided with a conical head, and the rear part of the conical head is provided with a radial boss; the handle shaft is arranged in the axial step through hole of the handle sleeve, the handle shaft is sleeved with a compression spring, and two ends of the compression spring are restrained by the radial boss of the handle shaft and the step surface of the axial step through hole of the handle sleeve; handle cover outer segment is connected with the handle, can drive handle cover axial motion through the inclined plane breach of handle cover when the handle rotates, and then drive handle axle axial concertina movement jointly with compression spring, stretches into or breaks away from the taper hole on the terminal surface of V type wheel back to the rotor arm, realizes locking and the unblock to V type wheel.
In addition, the retraction assembly further comprises a pre-positioning mechanism; the pre-positioning mechanism comprises a pre-positioning spring, a pre-positioning wheel and a pre-positioning pin; the pre-positioning wheel is coaxially sleeved on the rotating arm, the pre-positioning spring is sleeved on the pre-positioning pin, is installed in the installation support and is acted by the pre-positioning spring, and the end part of the pre-positioning pin can be matched with the V-shaped pin groove on the outer side surface of the pre-positioning wheel; the V-shaped pin slot positions correspond to the positions of the combined mirror in the using state and the retracting state.
When the locking mechanism is in an unlocking state, the rotating arm, the rotating shaft and the V-shaped wheel can freely rotate together at a low speed, so that the folding and unfolding functions are realized, and the locking mechanism can be fixed by rotating to a locking position after being in place. Under the conditions of emergency braking and the like, the rotating arm receives forward acceleration, the steel ball is extruded by the V-shaped surface of the V-shaped wheel, the deformation of the disc spring is caused until the steel ball is separated from one V-shaped surface of the V-shaped wheel and enters the next V-shaped surface, and therefore the throwing-out of the retraction jack is achieved.
When the vehicle-mounted head-up display works, the rotating arm and the combined mirror are in the use position, and the locking mechanism is in a locking state; when the vehicle-mounted head-up display stops working, the locking mechanism can be unlocked, the rotating arm and the combined mirror are retracted to the retracted position, and the locking mechanism is locked, so that the occupation of the retraction mechanism on the cab space and the shielding of the sight of a driver can be effectively reduced, and the man-machine effect is improved; under high-speed braking and other emergency conditions, a driver inclines forwards by taking a sitting point as a fulcrum, and the combined mirror and the rotating arm can be thrown forwards to corresponding positions automatically to give way, so that the driver is prevented from being injured.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (2)
1. A vehicle-mounted head-up display combined mirror collecting and releasing assembly with a locking anti-collision function comprises a mounting support, a rotating arm, a rotating shaft and a shaft cover; the mounting support is fixed on the carrier, and the connecting part at the lower part of the mounting support is divided into a mounting seat and a mounting flange; the mounting seat is provided with an axial blind hole which is in running fit with one end of the rotating shaft; the mounting flange is fixedly connected with the shaft cover, and a blind hole is formed in the center of the shaft cover and is in running fit with the other end of the rotating shaft; the upper part of the rotating arm is provided with a through hole which is matched with the rotating shaft, the rotating arm and the rotating shaft are fixed through a pin, and the rotating shaft can drive the rotating arm to synchronously rotate; the lower part of the rotating arm is connected with the combined mirror;
the method is characterized in that:
the through hole at the upper part of the rotating arm is a step through hole, wherein the small diameter part is matched with the rotating shaft, and the large diameter part is provided with a disc spring; the disc spring is sleeved on the rotating shaft;
the retraction assembly further comprises a V-shaped wheel and a steel ball; an axial through hole is formed in the center of the V-shaped wheel and is matched with the rotating shaft through a bearing; the V-shaped wheel is positioned between the rotating arm and the shaft cover and is axially constrained; the end surface of the V-shaped wheel facing the rotating arm is provided with a radial V-shaped groove, the steel ball is positioned in the V-shaped groove, the diameter of the steel ball is larger than the depth of the V-shaped groove, and two sides of the steel ball are restrained by the disc spring and the V-shaped wheel; two taper holes are formed in the end face, back to the rotating arm, of the V-shaped wheel and correspond to the positions of the combined mirror in the use state and the retracted state respectively;
the retraction assembly further comprises a locking mechanism; the locking mechanism comprises a handle, a handle sleeve, a handle shaft and a compression spring; the center of the handle sleeve is provided with an axial step through hole, and the side wall of the outer section of the handle sleeve is provided with an inclined plane notch; the handle sleeve is arranged in the axial through hole of the shaft cover; the front end of the handle shaft is provided with a conical head, and the rear part of the conical head is provided with a radial boss; the handle shaft is arranged in the axial step through hole of the handle sleeve, the handle shaft is sleeved with a compression spring, and two ends of the compression spring are restrained by the radial boss of the handle shaft and the step surface of the axial step through hole of the handle sleeve; the outer section of the handle sleeve is connected with the handle, when the handle rotates, the handle sleeve can be driven to axially move through the inclined plane notch of the handle sleeve, and then the handle sleeve and the compression spring jointly drive the handle shaft to axially extend and retract, and the handle sleeve extends into or is separated from a taper hole in the end face of the V-shaped wheel, which faces away from the rotating arm.
2. The on-vehicle head-up display combination mirror receive and release assembly with locking anticollision function of claim 1, characterized in that: the device also comprises a pre-positioning mechanism; the pre-positioning mechanism comprises a pre-positioning spring, a pre-positioning wheel and a pre-positioning pin; the pre-positioning wheel is coaxially sleeved on the rotating arm, the pre-positioning spring is sleeved on the pre-positioning pin, is installed in the installation support and is acted by the pre-positioning spring, and the end part of the pre-positioning pin can be matched with the V-shaped pin groove on the outer side surface of the pre-positioning wheel; the V-shaped pin slot positions correspond to the positions of the combined mirror in the using state and the retracting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711415624.XA CN108227194B (en) | 2017-12-25 | 2017-12-25 | Vehicle-mounted head-up display combined mirror collecting and releasing assembly with locking anti-collision function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711415624.XA CN108227194B (en) | 2017-12-25 | 2017-12-25 | Vehicle-mounted head-up display combined mirror collecting and releasing assembly with locking anti-collision function |
Publications (2)
| Publication Number | Publication Date |
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| CN108227194A CN108227194A (en) | 2018-06-29 |
| CN108227194B true CN108227194B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711415624.XA Active CN108227194B (en) | 2017-12-25 | 2017-12-25 | Vehicle-mounted head-up display combined mirror collecting and releasing assembly with locking anti-collision function |
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| CN (1) | CN108227194B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031662B (en) * | 2018-07-19 | 2020-07-24 | 歌尔科技有限公司 | Rotating shaft mechanism of augmented reality equipment and augmented reality head-mounted equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726095B1 (en) * | 1994-10-08 | 1998-09-25 | Pilkington Perkin Elmer Ltd | HEAD-UP READING DISPLAY DEVICE |
| CN103010474A (en) * | 2012-12-14 | 2013-04-03 | 中国航空工业集团公司洛阳电光设备研究所 | Support assembly for locking structure of rotation arm and combined mirror of onboard head-up display |
| CN103644226A (en) * | 2013-12-25 | 2014-03-19 | 李文平 | Structurally improved manual adjustment arm capable of automatically locating deadlock |
| CN203811903U (en) * | 2014-04-11 | 2014-09-03 | 成都西麦克虚拟现实电子技术有限公司 | Head-up display system applied to aircraft flight |
| CN106516134A (en) * | 2016-12-16 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Storage mechanism of combined glass of head-up display |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL179135A (en) * | 2005-11-10 | 2010-11-30 | Elbit Systems Electro Optics Elop Ltd | Head up display mechanism |
-
2017
- 2017-12-25 CN CN201711415624.XA patent/CN108227194B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726095B1 (en) * | 1994-10-08 | 1998-09-25 | Pilkington Perkin Elmer Ltd | HEAD-UP READING DISPLAY DEVICE |
| CN103010474A (en) * | 2012-12-14 | 2013-04-03 | 中国航空工业集团公司洛阳电光设备研究所 | Support assembly for locking structure of rotation arm and combined mirror of onboard head-up display |
| CN103644226A (en) * | 2013-12-25 | 2014-03-19 | 李文平 | Structurally improved manual adjustment arm capable of automatically locating deadlock |
| CN203811903U (en) * | 2014-04-11 | 2014-09-03 | 成都西麦克虚拟现实电子技术有限公司 | Head-up display system applied to aircraft flight |
| CN106516134A (en) * | 2016-12-16 | 2017-03-22 | 中国航空工业集团公司洛阳电光设备研究所 | Storage mechanism of combined glass of head-up display |
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| CN108227194A (en) | 2018-06-29 |
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