CN205910413U - Head -up display - Google Patents

Abstract

The utility model discloses a head -up display, the on -line screen storage device comprises a base, light path mechanism, rotary actuator, cover body assembly, separating of light -permeable keeps off the membrane, switching transmission, display screen and flexible transmission, cover body assembly contains firstly, second upper cover and protecgulum, rear end pin joint in the base backend of first upper cover, rear end pin joint in the first upper cover front end of second upper cover, but the base front end is located in the slip of the front end pivot of second upper cover, first and second upper cover have an expansion position and the position of folding up, but the protecgulum is the front side edge of switching in the second upper cover, separate to keep off the membrane and seal up the logical unthreaded hole of covering on first, the transmission of switching transmission is connected between rotary actuator, first upper cover and protecgulum, the locating on the base and have a shrink position and a stretching position of display screen activity, flexible transmission transmission is connected between rotary actuator and display screen to the transmission orders about that the display screen is flexible to actuate, rotary actuator orders about switching transmission in step and flexible transmission actuates.

Description

HUD

Technical field

This utility model is related to electronic display unit technical field, more particularly, to a kind of HUD.

Background technology

HUD (full name: heads up display, abbreviation hud) is will to drive the speed needing, oil mass, lead The running information projection imagings such as boat, driving safety auxiliary supply driver to watch in the suitable location in front of driver, so that Driver remains the attitude of new line, it is to avoid show because on bow viewing instrument, navigator or other driving ancillary equipments Information and the potential safety hazard that causes, decrease the probability causing vehicle accident, to increase traffic safety.

It is known that HUD is to be emitted beam by the light path mechanism in its base, and project externally-located Display screen on showing various running informations, so that driver easily watches.Wherein, generally require top base Cover assembly is designed to ringent open design, and the light being sent with avoiding light path mechanism passes through and smoothly projects display On screen.But, the inside of base can be made to be in, with the external world, the state connecting for above-mentioned open design so that light path in base The internal components and parts such as mechanism are exposed to the external world, and during use, the foreign body such as the dust in the external world, liquid is easily advanced into base Interior, the components and parts internal to light path mechanism in seat etc. cause to damage and lead to not normal work so that HUD very Easily break down, lead to service life to greatly shorten.

Furthermore, in order to preferably protect display screen when not in use, display screen is all to be movably arranged at new line to show mostly Show on the base of device, that is, display screen is collapsible is hidden in base or protrudes upward the outside in base.Accordingly, it would be desirable to it is corresponding The cover assembly of base top is designed to can be opened and closed activity so that cover assembly can be opened in activity, aobvious to avoid Display screen protrudes upward the outside in base；And when display screen shrinks and is hidden in base, cover assembly can extremely hide in activity Cover display screen, play the more preferable effect protecting display screen.But, the structure pole of the cover assembly in current HUD For complexity, and the start process of cover assembly and display screen needs different drive mechanisms to provide power, and it has start Process very complicated shortcoming, and make structure increasingly complexization of HUD it is easy to break down, can be further Lead to the shortening of service life.

Therefore, it is badly in need of wanting a kind of HUD to overcome above-mentioned problem.

Utility model content

The purpose of this utility model is to provide the ash that a kind of structure is simple, is less prone to fault and is prevented from the external world The foreign bodies such as dirt, liquid enter the HUD in base, and the start of the cover assembly of this HUD and display screen Process has the advantages that simple and flexible.

For achieving the above object, this utility model provides a kind of HUD, has a closed mode and a use State, described HUD includes:

Base,

For the light path mechanism of imaging, described light path mechanism is in described base；

Rotating driver, described rotating driver is in described base；

Cover assembly, described cover assembly comprises on first lid, lid and protecgulum, the rear end pivot of lid on described first on second It is connected to the rear end of described base, on described second, the rear end of lid is articulated in the front end of lid on described first, lid on described second Front end be in pivotable slide located at the front end of described base, and cover and be jointly shielded in institute on lid and described second on described first State the top of base, on lid and described second on described first, lid has an expansion position being mutually expanded to one first default angle Put and a collapsed position being mutually folded to one second default angle；Described protecgulum is articulated in the front end of described base, and described Protecgulum is in the forward edge that can open or be closed to lid on described second；

The barrier film of light-permeable, covers on described first and offers one and emit beam the thang-kng passed through for described light path mechanism Hole, described barrier film seals up described light hole；

Opening and closing actuating device, described opening and closing drive is connected to described rotating driver, lid and protecgulum on first Between, it is incorporated as moving and ordering about described protecgulum being opened and closed in institute so that the exhibition ordered about between covering to be driven on lid and described second on described first The opening and closing start stating lid on second is synchronously carried out；

Display screen, the activity of described display screen on described base, described display screen has and shrinks in base Opening upwards between punctured position and covers from described protecgulum and described second stretch out in the extended position of described base；With And

Telescopic transmission device, described telescopic transmission device be in transmission connection in described rotating driver and described display screen it Between, order about flexible start between described punctured position and described extended position for the described display screen to be driven；

Wherein, described rotating driver synchronously orders about described opening and closing actuating device and described telescopic transmission device start, with By the exhibition that described opening and closing actuating device orders about on described first between covering on lid and described second be incorporated as dynamic and order about described before When lid is opened and closed the opening and closing start of lid on described second, synchronization is ordered about described display screen and is stretched by described telescopic transmission device and makees Dynamic；When described HUD is closed, lid and described second on described first covers and is in the deployed, described Protecgulum is closed to the forward edge of lid on described second, and described display location is in described punctured position；At described HUD When described use state, on lid and described second on described first, lid is in collapsed position, and described protecgulum is opened and is away from institute State the forward edge of lid on second, in described extended position, described barrier film is towards described display screen for described display location.

It is preferred that the setting that in the posterior edges and described first of lid on described second, the forward edge of lid is opened in gap, On the front end or described second of lid on described first, the rear end of lid is formed with opening up water conservancy diversion groove, described water conservancy diversion groove edge The length direction arrangement in the gap between the forward edge of lid in the posterior edges and described first of lid on described second, and described In the posterior edges and described first of lid on second gap between the forward edge of lid just to positioned at described water conservancy diversion groove Top, the width of the opening of described water conservancy diversion groove is equal to or more than lid in the posterior edges and described first of lid on described second The width in the gap between forward edge.

It is preferred that described water conservancy diversion groove is formed at the rear end of lid on described second, on lid and described second on described first When lid is located at described collapsed position, on described second, the forward edge of lid can be snapped in described water conservancy diversion groove.

It is preferred that described opening and closing actuating device includes driving cam and moving part, described cam is formed with one first track Guidance part, described driving cam is articulated on described base, and described driving cam is in transmission connection in described rotating driver Outfan, on described first, lid is slidably connected in described first track guiding portion in pivotable, the rear end of described moving part It is articulated on described driving cam, the front end of described moving part is articulated on described protecgulum；The described driving cam pivoting drives When exhibition between covering on lid and described second on described first is incorporated as dynamic, the described moving part of synchronous drive orders about described protecgulum opening and closing The opening and closing start of lid on described second.

It is preferred that the left and right sides of described base all upwardly extends the downside wall being parallel to each other, described downside wall opens up Have and avoid the avoidance groove that mutual folding start is covered on lid and described second on described first；The left and right sides of lid on described first All extend downwardly first assembly wall that is parallel to each other, on described second, the left and right sides of lid has all extended downwardly and has been parallel to each other second Assembly wall, the described protecgulum left and right sides is all extended with the 3rd assembly wall being parallel to each other；The rear end of described first assembly wall is passed through First drive-connecting shaft of one level is articulated in the described downside wall rear end of respective side, and a level is passed through in the front end of described first assembly wall The second drive-connecting shaft be articulated in respective side described second assembly wall rear end, the front end of described downside wall offers elongated hole, The front end of described second assembly wall is provided with the first lead of a level, and described first lead is away from described second assembly wall One end is placed through the described elongated in the hole of respective side in pivotable slip, and described 3rd assembly wall passes through the 3rd pivot of a level Spindle is articulated in the front end of described downside wall.

It is preferred that described driving cam is articulated on described downside wall by the 4th drive-connecting shaft of a level, described first The bottom of assembly wall is provided with the second lead of a level, and described second lead away from one end of described first assembly wall is in Pivotable it is slidably connected in described first track guiding portion；The 5th drive-connecting shaft of a level is passed through in the rear end of described moving part It is articulated on described driving cam, the front end of described moving part is articulated in described 3rd installation by the 6th drive-connecting shaft of a level On wall, and described 3rd drive-connecting shaft is located between front end and described 6th drive-connecting shaft of the 3rd assembly wall.

It is preferred that described first track guiding portion comprise sequentially tangentially to connect along clockwise direction first straight line section, First arc section, First Transition section, second straight line section, the second changeover portion and the second arc section, described first arc section and described The center of circle of the second arc section is respectively positioned on the pivot axial line of the 4th drive-connecting shaft, and the radius of described first arc section is more than described The radius of the second arc section, the angle between described first straight line section and described second straight line section is acute angle, described First Transition The arcuate structure of the direction bending away from the pivot axial line of described driving cam for the Duan Chengchao, described second changeover portion is in towards close The arcuate structure of the direction bending of the pivot axial line of described driving cam.

It is preferred that described first straight line section and described 5th drive-connecting shaft are located at the both sides of described 4th drive-connecting shaft, institute respectively When stating on first that on lid and described second, lid is in described expanded position, described second lead mobile to described first straight line section It is away from the end position of described first arc section, the lower section of described 5th drive-connecting shaft movement to the 4th drive-connecting shaft；Described second When lead is located in described second arc section, on lid and described second on described first, lid is in described collapsed position, described The top of the 5th drive-connecting shaft movement to the 4th drive-connecting shaft；The mobile extremely described First Transition section and described second of described second lead During the junction of straightway, in the axial line of described 5th drive-connecting shaft, the 4th drive-connecting shaft and the 6th drive-connecting shaft is generally aligned in the same plane, Described protecgulum is opened to the position farthest away from the forward edge of lid on described second.

It is preferred that the side that described driving cam is away from described first track guiding portion is formed with along described 4th pivot joint The engaging tooth of the circumferencial direction distribution of axle, described opening and closing actuating device also includes travelling gear, and described travelling gear is around a level Axial line be articulated on described base, described travelling gear is in transmission connection in the outfan of described rotating driver, and described Travelling gear engaged transmission is on described engaging tooth.

It is preferred that described HUD also includes sliding support, the bottom of described display screen is fixed on described slip and is propped up On frame, the side that the described downside wall of the left and right sides is facing is each formed with the second facing track guiding portion, described base On also upwardly extend the 4th assembly wall being parallel to described downside wall, described 4th assembly wall is formed with positioned at described second 3rd track guiding portion of track guiding subordinate side, described second track guiding portion and described 3rd track guiding portion are along front and back To extension and all in recessed arcuate structure, described second track guiding portion is with described 3rd track guiding portion vertically Distance be gradually increased from the front to the back；The left and right sides of described sliding support is respectively provided with the 3rd guiding of evagination in the horizontal direction Post, described 3rd lead is in the pivotable described second track guiding portion being slidably connected to respective side, described slides Be additionally provided with frame one parallel to described 3rd lead the 4th lead, described 4th lead be located at described 3rd guiding The downside of post, described 4th lead is slidably connected to described 3rd track guiding portion in pivotable；Described 3rd lead Spacing and described 4th lead between is permanent more than described second track guiding portion with described 3rd track guiding portion edge vertically The spacing in direction, and the permanent front side being located at described 4th lead of described 3rd lead, described telescopic transmission device transmission is even It is connected between described sliding support and described rotating driver, described rotating driver drives described telescopic transmission device to order about institute State sliding support to reciprocatingly slide along described 3rd track guiding portion and the 4th track portion.

Compared with prior art, due to HUD of the present utility model cover assembly first on lid rear end pivot It is connected to the rear end of base, on second, the rear end of lid is articulated in the front end of lid on first, on second, the front end of lid is in pivotable cunning Move located at the front end of base, and cover, on lid and second, the top being jointly shielded in base on first, lid on lid and second on first There is the folding position that an expanded position and being mutually expanded to one first default angle is mutually folded to one second default angle Put；Protecgulum is articulated in the front end of base, and protecgulum is in the forward edge that can open or be closed to lid on second so that cover assembly Structure more advantages of simple；Cover on first and offer one and emit beam for light path mechanism the light hole passing through, barrier film is close Seal light hole；Opening and closing drive is connected to rotating driver, on first between lid and protecgulum, order about first to be driven Exhibition between upper lid covers with second is incorporated as dynamic and orders about protecgulum and be opened and closed the opening and closing start of lid on second and synchronously carry out；Display screen Activity on base, display screen has and shrinks between covering the punctured position in base and is from protecgulum and second Opening upwards stretch out in the extended position of base；Telescopic transmission device is in transmission connection between rotating driver and display screen, with Flexible start between described punctured position and described extended position for the display screen is ordered about in transmission；Wherein, rotating driver is synchronous Order about opening and closing actuating device and telescopic transmission device start, cover it on lid and second to order about by opening and closing actuating device on first Between exhibition be incorporated as dynamic and when ordering about protecgulum and being opened and closed the opening and closing start of lid on second, synchronous display is ordered about by telescopic transmission device The flexible start of screen；When HUD is closed, lid and second on first covers and is in the deployed, protecgulum is closed to The forward edge of lid on second, display location is in punctured position；When HUD is in use state, lid and second on first Upper lid is in collapsed position, and protecgulum opens the forward edge being away from lid on second, and display location is in extended position, barrier film court To display screen.Thus by the bridging effect of cover assembly, and light hole covered so that base by barrier film phonograph seal Inside can be isolated from the external world, is not only able to ensure that the light path mechanism in base emits beam smoothly through barrier film, Er Qieneng Enough entered in base by the foreign body such as cover assembly and the effective blocks dust of barrier film, liquid, made in base with ensureing The cleaning of portion's environment, it is to avoid the foreign body such as dust, liquid components and parts internal to light path mechanism in base etc. cause to damage and The situation leading to not normal work occurs, and prevents fault so that service life greatly prolongs.And, cover assembly and The start process of display screen synchronously orders about opening and closing actuating device by rotating driver and telescopic transmission device start is synchronously passed Dynamic, it is incorporated as dynamic with the exhibition ordered about between covering on lid and second on first by being opened and closed actuating device and order about protecgulum and be opened and closed in the On two during the opening and closing start of lid, synchronous pass through telescopic transmission device and order about display screen to stretch start it is achieved that cover assembly and showing The start process of display screen carries out providing power by same rotating driver, and structure greatly simplifies, and start process is also more simple, So that the structure of HUD of the present utility model more advantages of simple, preferably can prevent fault, enter one Step extends service life.

Brief description

Fig. 1 is combination schematic perspective view when HUD of the present utility model is closed.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the full sectional view of Fig. 2.

Fig. 4 is the enlarged diagram of c part in Fig. 3.

Fig. 5 is the schematic diagram when the second lead movement to first straight line section is with the junction of the first arc section for the Fig. 2.

Fig. 6 is the schematic diagram when the second lead movement to First Transition section is with the junction of second straight line section for the Fig. 5.

Fig. 7 is the full sectional view of Fig. 6.

Fig. 8 is that HUD of the present utility model is in combination schematic perspective view during use state.

Fig. 9 is the front view of Fig. 8.

Figure 10 is the full sectional view of Fig. 9.

Figure 11 is the enlarged diagram of d part in Figure 10.

Figure 12 is Fig. 9 showing when the second lead movement to the second arc section is away from the end position of second straight line section It is intended to.

Figure 13 is the full sectional view of Figure 12.

Figure 14 is the planar structure schematic diagram of the driving cam of HUD of the present utility model.

Specific embodiment

With reference now to Description of Drawings embodiment of the present utility model, in accompanying drawing, similar element numbers represent similar unit Part.

Refer to Fig. 1 to Fig. 3 and Fig. 8 and such as 10, HUD 100 of the present utility model has just like Fig. 1 to Fig. 3 institute The closed mode shown and just like the use state shown in Fig. 8 to Figure 10, HUD 100 of the present utility model includes base 10th, for the light path mechanism 20 of imaging, rotating driver (not shown), cover assembly 30, the barrier film 40 of light-permeable, opening and closing Actuating device 50, display screen 60 and telescopic transmission device (not shown), light path mechanism 20 in base 10, rotation driving In base 10, specifically, rotating driver is preferably motor to device, and motor is fixed in base 10.

Cover assembly 30 comprises lid 32 and protecgulum 33 on lid 31, second on first, and on first, the rear end of lid 31 is articulated in bottom The rear end of seat 10, on second, the rear end of lid 32 is articulated in the front end of lid 31 on first, and on second, the front end of lid 32 is in pivotable Slide located at the front end of base 10, and on lid 31 and second on first, lid 32 is shielded in the top of base 10 jointly, cover on first On 31 and second, lid 32 has an expanded position (as shown in Figure 2) being mutually expanded to one first default angle and a mutual folding Collapsed position (as shown in Figure 9) to one second default angle.In the present embodiment, the first default angle is preferably 180 ° (i.e. On lid 31 and second on first, lid 32 is expanded to the position being parallel to each other), the second default angle is preferably 142 °.And, when When on lid 31 and second on, lid 32 is in the deployed, on lid 31 and second on first, lid 32 all turns forward, topology layout More reasonable.Certainly, the first default angle and the second the concrete of default angle are not limited thereto from angle, implement other In example, flexibly can also be selected according to actual use demand, therefore, this is no longer going to repeat them.Protecgulum 33 is articulated in base 10 front end, and protecgulum 33 be in can open or be closed on second lid 32 forward edge so that the structure of cover assembly 30 more For advantages of simple.Offer one on lid 31 on first to emit beam for light path mechanism 20 light hole 311 passing through, barrier film 40 is close Seal light hole 311.Opening and closing actuating device 50 is in transmission connection on rotating driver, first between lid 31 and protecgulum 33, to pass Move the exhibition between lid 32 on lid 31 and second on first of ordering about to be incorporated as dynamic and order about the opening and closing that protecgulum 33 is opened and closed lid 32 on second Start is synchronously carried out.

Display screen 60 activity on base 10, display screen 60 has the punctured position shrinking in base 10 (such as Shown in Fig. 3) and one from protecgulum 33 and second lid 32 between opening upwards stretch out in the extended position of base 10 (as Figure 10 institute Show).Telescopic transmission device is in transmission connection between rotating driver and display screen 60, orders about display screen 60 in punctured bit to be driven Put the flexible start and extended position between, simple and reasonable.

Wherein, rotating driver synchronously orders about opening and closing actuating device 50 and telescopic transmission device start, to be passed by opening and closing Dynamic device 50 orders about on first the exhibition between lid 32 on lid 31 and second and is incorporated as dynamic and orders about protecgulum 33 and be opened and closed and cover 32 on second Opening and closing start when, synchronous display screen 60 ordered about by telescopic transmission device stretch start.As shown in Figure 1 to Figure 3, this practicality is new When the HUD 100 of type is closed, on lid 31 and second on first, lid 32 is in the deployed, and protecgulum 33 closes The forward edge of lid 32 on second, display screen 60 is located at punctured position.As shown in Fig. 8 to Figure 10, new line of the present utility model When display 100 is in use state, lid 31 and second on first covers and 32 is in collapsed position, protecgulum 33 is opened and is away from the The forward edge of lid 32 on two, display screen 60 is located at extended position, and barrier film 40 is towards display screen 60 so that light path mechanism 20 Go out light through can project after barrier film 40 on display screen 60, you can the speed needing, oil mass, navigation, driving will be driven The running informations such as safety auxiliary are projeced on display screen 60312, so that driver easily watches.Thus passing through cover assembly 30 Bridging effect, and cover light hole 311 so that the inside of base 10 can be isolated from the external world by what barrier film 40 sealed, It is not only able to ensure that the light path mechanism 20 in base 10 emits beam smoothly through barrier film 40, and lid group can be passed through The foreign body such as part 30 and the effective blocks dust of barrier film 40, liquid enters in base 10, makes base 10 inner loop to ensure The cleaning in border, it is to avoid the foreign body such as dust, liquid components and parts internal to light path mechanism 20 in base 10 etc. cause to damage and The situation leading to not normal work occurs, and prevents fault so that service life greatly prolongs.And, cover assembly 30 And the start process of display screen 60 synchronously orders about opening and closing actuating device 50 by rotating driver and telescopic transmission device start is synchronous Be driven, with by be opened and closed actuating device 50 order about on first the exhibition between lid 32 on lid 31 and second be incorporated as dynamic and before ordering about When lid 33 is opened and closed on second the opening and closing start of lid 32, synchronous pass through telescopic transmission device and order about display screen 60 to stretch start, reality Show cover assembly 30 and the start process of display screen 60 has carried out providing power by same rotating driver, structure is significantly simple Change, start process is also more simple, so that the structure of HUD of the present utility model 100 more advantages of simple, energy Enough preferably prevent fault, extend service life further.Specifically, as follows:

Refer to Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, barrier film 40 is preferably adhered to the side wall of light hole 311 On, be on barrier film 40 and first lid 31 be bonded as one so that barrier film 40 can be more solid and reliable be fixed on first On upper lid 31.And, barrier film 40 be preferably anti-glazing film (in figure does not mark), antiglare film can change light line reflection symmetrical in The heart so that the external world available light through antiglare film reflection after light above driver's eyes visual range, without entering Enter in the eyes of driver, to avoid causing the uncomfortable problem of driver's dizziness.Specifically, in the present embodiment, anti-glazing film In reclinate globoidal structure, structure is more reasonable, can play more preferable anti-glazing effect, certainly, in other embodiments, The anti-glazing film of the structure in plane can also be selected, therefore. this repeats no more.

Refer to Fig. 3, Fig. 4, Figure 10 and Figure 11, in the posterior edges and first of lid 32 on second, the forward edge of lid 31 is in The setting that gap is opened, on second, the rear end of lid 32 is formed with opening up water conservancy diversion groove 321, certainly, in other embodiments, Water conservancy diversion groove 321 also could be alternatively formed the front end of lid 31 on first. this repeats no more.Water conservancy diversion groove 321 covers along along second The length direction arrangement in the gap 34 between the forward edge of lid 31 in 32 posterior edges and first, and after lid 32 on second On lateral edges and first lid 31 forward edge between gap 34 just to the top positioned at water conservancy diversion groove 321, water conservancy diversion groove The width of 321 opening is equal to or more than the gap in the posterior edges and first of lid 32 on second between the forward edge of lid 31 34 width.It is of course also possible to the width of the opening of water conservancy diversion groove 321 is selected equal to according to actual use demand In the posterior edges and first of lid 32 on two, the width in the gap 34 between the forward edge of lid 31, will not be described here.More excellent It is, in the present embodiment, when on lid 31 and second on first, lid 32 is located at collapsed position, the forward edge cocker of lid 32 on second It is incorporated in water conservancy diversion groove 321.From being in the deployed or collapsed position regardless of whether covering 32 on lid 31 and second first, can Make the foreign bodies such as the dust on lid 32 on lid 31 and second on first, liquid can pass through to cover 32 under gravity on second Posterior edges and first on lid 31 forward edge between gap 34 and drop in water conservancy diversion groove 321, and pass through water conservancy diversion Groove 321 row both sides to the left and right, had both met on first and to have covered 32 use requirement being mutually pivotable on lid 31 and second, by can Prevent the foreign bodies such as the dust on lid 32 on lid 31 and second on first, liquid from falling in base 10, structure is more reasonable.

Refer to Fig. 5, Fig. 6 and Fig. 9, opening and closing actuating device 50 includes driving cam 51 and moving part 52, cam is formed with One first track guiding portion 511, driving cam 51 is articulated on base 10, and driving cam 51 is in transmission connection in rotating driver Outfan, on first, lid 31 is in pivotable to be slidably connected in the first track guiding portion 511, thus realizing driving cam 51 Drive mechanism to lid 31 on first.The rear end of moving part 52 is articulated on driving cam 51, and the front end of moving part 52 is articulated in On protecgulum 33, thus realizing the drive mechanism to protecgulum 33 for the driving cam 51.The driving cam 51 pivoting drives and covers 31 on first And when on second, the exhibition between lid 32 is incorporated as dynamic, synchronous drive moving part 52 orders about the opening and closing that protecgulum 33 is opened and closed lid 32 on second It is achieved that ordering about lid 32 and the synchronous start of protecgulum 33 on lid 31, second on first by driving cam 51, structure is simply closed for start Reason.

Refer to Fig. 1 and Fig. 2, the left and right sides of base 10 all upwardly extends the downside wall 11 being parallel to each other, downside wall 11 offer avoid first on lid 31 and second on cover 32 mutual folding starts avoidance grooves 111 so that on first lid 31 and On second, the articulated section of lid 32 has enough spaces and moves down, and so that the mutual folding of lid 32 on lid 31 and second on first is made Dynamic, structure is more reasonable.On first, the left and right sides of lid 31 has all extended downwardly first assembly wall 312 that is parallel to each other, on second The left and right sides of lid 32 has all extended downwardly second assembly wall 322 that is parallel to each other, and protecgulum 33 left and right sides is all extended with mutually flat 3rd assembly wall 331 of row；The rear end of the first assembly wall 312 is articulated in respective side by the first drive-connecting shaft 313 of a level Downside wall 11 rear end, the front end of the first assembly wall 312 is articulated in the second peace of respective side by the second drive-connecting shaft 314 of a level The rear end of dress wall 322, the front end of downside wall 11 offers elongated hole 112, and elongated hole 112 more excellent be downward-sloping in rear end Setting, the front end of the second assembly wall 322 is provided with the first lead 323 of a level, and the first lead 323 is away from the second assembly wall 322 one end is placed through in the elongated hole 112 of respective side in pivotable slip, and the 3rd assembly wall 331 passes through the of a level Three drive-connecting shafts 332 are articulated in the front end of downside wall 11.It is achieved thereby that the rear end of lid 31 is articulated in the rear end of base 10 on first Structure, on second, the rear end of lid 32 is articulated on first the structure of the front end of lid 31, and on second, the front end of lid 32 is in can The structure slided located at the front end of base 10 pivoting, and structure more advantages of simple.

Specifically, driving cam 51 is articulated on downside wall 11 by the 4th drive-connecting shaft 513 of a level, the first assembly wall 312 bottom is provided with the second lead 315 of a level, and the second lead 315 is in can pivot away from one end of the first assembly wall 312 Turn is slidably connected in the first track guiding portion 511, thus realizing lid 31 on first to be slidably connected to first in pivotable Structure in track guiding portion 511.The rear end of moving part 52 is articulated in driving cam 51 by the 5th drive-connecting shaft 521 of a level On, the front end of moving part 52 is articulated on the 3rd assembly wall 331 by the 6th drive-connecting shaft 522 of a level, and the 3rd drive-connecting shaft Between 332 front ends being located at the 3rd assembly wall 331 and the 6th drive-connecting shaft 522, thus realizing moving part 52 in the 3rd assembly wall 331 Being in transmission connection and driving cam 51 between, simple and reasonable.

Refer to Figure 14, it is suitable that the first track guiding portion 511 comprises (direction of arrow b indication in Figure 14) along clockwise direction Secondary first straight line section m1 tangentially connecting, the first arc section m2, First Transition section m3, second straight line section m4, the second changeover portion M5 and the second arc section m6, the center of circle of the first arc section m2 and the second arc section m6 is respectively positioned on the pivotal axis of the 4th drive-connecting shaft 513 On heart line, and the radius of the first arc section m2 is more than the radius of the second arc section m6, first straight line section m1 and second straight line section m4 Between angle be acute angle, First Transition section m3 be in towards away from driving cam 51 pivot axial line direction bending arc knot Structure is so that the second lead 315 more smoothly can transit to second straight line section m4 from the first arc section m2；Second changeover portion m5 Arcuate structure in the direction bending towards the pivot axial line near driving cam 51 is so that the second lead 315 can be more suitable Smooth transits to the second arc section m6 from second straight line section m4.Thus when rotating driver orders about driving cam 51 and pivots, making The second lead 315 can be in first straight line section m1 sequentially connecting, the first arc section m2, First Transition section m3, second straight Move under the spacing guide function of line segment m4, the second changeover portion m5 and the second arc section m6 it is achieved that drive on first lid 31 with On second, the exhibition between lid 32 is incorporated as moving.Wherein, in the present embodiment, the first track guiding portion 511 is to be opened in driving cam The groove structure being slidably fastened on 51 and for the second lead 315, and the opening in the first track guiding portion 511 lid towards on first 31, to facilitate the second lead 315 to be slidably fastened.Certainly, in other embodiments, the first track guiding portion 511 can also select It is selected as the through-hole structure being opened on driving cam 51 and being slidably fastened for the second lead 315, it can make according to actual Flexibly selected with demand, will not be described here.It should be noted that first straight line section m1, the first arc section m2, First Transition Section m3, the concrete length of second straight line section m4, the second changeover portion m5 and the second arc section m6, the first arc section m2, the second circular arc The radius of section m6, First Transition section m3 and the second changeover portion m5, and the tool between first straight line section m1 and second straight line section m4 Body angle, all flexibly can select according to the demand of actual transmission track, this utility model is not defined to this, Therefore, will not be described here.

Refer to Fig. 2, Fig. 9 and Figure 12, first straight line section m1 and the 5th drive-connecting shaft 521 are located at the 4th drive-connecting shaft 513 respectively Both sides, to meet the activities necessary of transmission.Wherein, as shown in Fig. 2 covering 32 on lid 31 and second on first to be in expansion position When putting, the mobile end position being away from the first arc section m2 to first straight line section m1 of the second lead 315, the 5th drive-connecting shaft The 521 mobile lower sections to the 4th drive-connecting shaft 513.I.e., now, the 5th drive-connecting shaft 521 is moved downward to forefront, moving part 52 It is to be moved downward to forefront, protecgulum 33 is closed to the forward edge of lid 32 on second so that HUD 100 is in closing State.Meanwhile, as shown in figure 9, when the second lead 315 is located in the second arc section m6, lid 31 and second on first covers 32 It is in collapsed position, the mobile top to the 4th drive-connecting shaft 513 of the 5th drive-connecting shaft 521.Now, protecgulum 33 is opened and is away from second The forward edge of upper lid 32, the opening upwards that display screen 60 covers between 32 from protecgulum 33 and second extend out to extended position, lift Head display 100 is in use state；And because the center of circle of the second arc section m6 is located at the pivot axial line of the 4th drive-connecting shaft 513 On, when the second lead 315 moves in the second arc section m6, the second lead 315 downside wall 11 relatively static so that first On upper lid 31 and second, lid 32 is maintained at collapsed position, and the driving cam 51 of pivot only drives moving part 52 to order about 33 turns of protecgulum Dynamic, rotating driver carries out inclining forward or backward also by shrinking actuating device driving display screen 60 at extended position simultaneously The adjustment (as shown in Fig. 9 and Figure 12) of rake angle is so that the openings of sizes between the forward edge of lid 32 on protecgulum 33 and second Can adapt to be pointed to the adjustment demand at the angle of inclination of display screen 60 of extended position, structure is more reasonable.Furthermore, such as Fig. 6 Shown, during the mobile junction to First Transition section m3 and second straight line section m4 of the second lead 315, the 5th drive-connecting shaft 521, the In the axial line of four drive-connecting shafts 513 and the 6th drive-connecting shaft 522 is generally aligned in the same plane, protecgulum 33 is opened and is covered to farthest away from second The position of 32 forward edge.Now on protecgulum 33 and second, the opening between the forward edge of lid 32 is maximum.

It should be noted that when the second lead 315 moves in the first arc section m2 and the second arc section m6, second leads Static to post 315 downside wall 11 relatively, then on lid 31 and second, lid 32 is maintained at the second lead 315 to enter first round on first Position when segmental arc m2 or the second arc section m6.Second lead 315 is in first straight line section m1, First Transition section m3, second straight When moving in line segment m4 and the second changeover portion m5, the second lead 315 moves relative to downside wall 11, then cover 31 and second on first Upper lid 32 can exhibition be incorporated as moving relatively.And driving cam 51 pivot when can drive always moving part 52 order about protecgulum 33 pivot be opened and closed in On second, the opening and closing start of the forward edge of lid 32, simple and reasonable, and can better meet transmission demand.

Refer to Fig. 2 and Figure 14, the side that driving cam 51 is away from the first track guiding portion 511 is formed with along the 4th pivot The engaging tooth 512 of the circumferencial direction distribution of spindle 513, and the degree of the central angle corresponding to arc length of engaging tooth 512 distribution Number is preferably 180 °, to meet required pivot stroke, the central angle corresponding to arc length of certain engaging tooth 512 distribution The concrete number of degrees are not limited thereto, and in other embodiments, flexibly can also be selected, this utility model according to actual use This is not defined, therefore, will not be described here.Opening and closing actuating device 50 also include travelling gear 53, travelling gear 53 around The axial line of one level is articulated on base 10, and travelling gear 53 is in transmission connection in the outfan of rotating driver, and driving cog Take turns 53 engaged transmission on engaging tooth 512.Thus realizing nibbling the pivot to drive driving cam 51, structure by travelling gear 53 Advantages of simple.It should be noted that opening and closing actuating device 50, left and right two are provided with the downside wall 11 of base 10 left and right sides The travelling gear 53 of side is in transmission connection in the outfan choosing driver by same rotating bar 54, simple and reasonable, wherein, Rotating bar 54 pivot is articulated on the downside wall 11 of the left and right sides in left-right direction, and travelling gear 53 is fixed on the end of rotating bar 54 Portion.

Refer to Fig. 3, Fig. 7, Figure 10 and Figure 13, HUD 100 of the present utility model also includes sliding support 70, show The bottom of display screen 60 is fixed on sliding support 70, and the facing side of the downside wall 11 of the left and right sides is each formed with facing Second track guiding portion 113, base 10 also upwardly extends the 4th assembly wall 12 being parallel to downside wall 11, the 4th assembly wall It is formed with the 3rd track guiding portion 121 positioned at the second track guiding portion 113 downside, the second track guiding portion 113 and the on 12 Three track guiding portions 121 extend and along the longitudinal direction all in recessed arcuate structure, the second track guiding portion 113 and the 3rd rail Mark guidance part 121 distance vertically is gradually increased from the front to the back.The left and right sides of sliding support 70 is respectively provided with along level Cambered outwards 3rd lead 72 in side, the 3rd lead 72 is in pivotable the second track guiding portion being slidably connected to respective side On 113, in the present embodiment, the left and right sides the 3rd lead 72 of sliding support 70 is formed on same cylinder, that is, slides The left and right sides the 3rd lead 72 of dynamic support 70 is in the structure of one, and structure is more simple.Wherein, in the present embodiment, Two track guiding portions 113 are the groove structure being opened on downside wall 11 and being slidably fastened for the 3rd lead 72.Certainly, at it In its embodiment, the second track guiding portion 113 can also be chosen as being opened on downside wall 11 and slide for the 3rd lead 72 The through-hole structure of engaging, it can flexibly select according to actual use demand, will not be described here.On sliding support 70 also Be provided with one parallel to the 3rd lead 72 the 4th lead 73, the 4th lead 73 is located at the downside of the 3rd lead 72, the Four leads 73 are slidably connected to the 3rd track guiding portion 121 in pivotable, and wherein, in the present embodiment, the 3rd track is led Drawing portion 121 is the groove structure being opened on the 4th assembly wall 12 and being slidably fastened for the 4th lead 73.Certainly, other real Apply in example, the 3rd track guiding portion 121 can also be chosen as being opened on the 4th assembly wall 12 and slide for the 4th lead 73 The through-hole structure of engaging, it can flexibly select according to actual use demand, will not be described here.3rd lead 72 with Spacing between 4th lead 73 is permanent more than the second track guiding portion 113 and the 3rd track guiding portion 121 vertically Spacing, and the permanent front side being located at the 4th lead 73 of the 3rd lead 72, with ensure sliding support 70 and display screen 60 have to Ordering about of front slide, prevents the 3rd lead 72 from moving to the rear side of the 4th lead 73, Jin Erfang relative to the 4th lead 73 Sliding stop support 70 and display screen 60 are toppled over due to the effect of gravity backward, and structure is more reasonable, ensure that sliding support 70 can Driving display screen 60 smoothly carries out telescopic slide.Telescopic transmission device is in transmission connection in sliding support 70 and rotating driver Between, rotating driver drives telescopic transmission device to order about sliding support 70 along the 3rd track guiding portion 121 and the 4th track portion Reciprocatingly slide, with realize order about sliding support 70 driving display screen 60 the punctured position shrinking in base 10 keeping flat with to On slide between the extended position that stretches out.Wherein, the concrete structure of telescopic transmission device can be using by being in transmission connection in rotation The traction piece (not shown) turning the outfan of driver is connected on sliding support 70 to draw, and draws cunning by traction piece Dynamic support 70 driving display screen 60 is shunk between the punctured position in base 10 and the extended position protruding upward keep flat Slide.Certainly, the concrete structure of telescopic transmission device but be not limited thereto, its can also according to specific Production requirement, and Flexibly adopt the other structures known to those of ordinary skill in the art, this utility model is not defined to this, therefore, This repeats no more.

Selectively, as shown in Fig. 3 and Figure 10, in the present embodiment, the rear end in base 10 is additionally provided with light path machine The light l1 that structure 20 sends reflexes to the reflecting mirror 80 of display screen 60, i.e. the reflected mirror of light l1 80 that light path mechanism 20 sends Light l2 after reflection i.e. permeable barrier film 40 projects and is imaged on display screen 60.Of the present utility model new line is shown Show that the structure of device 100 is more simply compact, take up room less.

In conjunction with accompanying drawing, the operation principle with this utility model HUD 100 is elaborated:

(1) HUD 100 is switched to the use shown in Fig. 8 to Figure 10 by the closed mode shown in Fig. 1 to Fig. 3 The detailed process of state is:

Rotating driver orders about travelling gear 53 and drives the driving cam 51 (side of arrow a indication in Fig. 2 in the counterclockwise direction To) pivot, the second lead 315 moves towards the first arc section m2 relative to first straight line section m1, the second lead 315 bottom side relatively Wall 11 moves down, and the first lead 323 31 and second on covers 32 to the back lower place is mobile so that covering on first along elongated hole 112 Folding start, meanwhile, driving cam 51 is synchronous to be driven moving part 52 to order about protecgulum 33 to pivot towards the direction away from lid 32 on second, And rotating driver drives device and also synchronously orders about sliding support 70 driving display screen 60 in the second track by shrinking actuating device Forward slip in the presence of the spacing guiding of cooperation in guidance part 113 and the 3rd track guiding portion 121.

When the mobile junction (as shown in Figure 5) to first straight line section m1 and the first arc section m2 of the second lead 315, the Two leads 315 move in the first arc section m2, and the first lead 323 and the second lead 315 are all relative to downside wall 11 Static, then on lid 31 and second on first, lid 32 is maintained at the positions of the second lead 315 entrance the first arc section m2.And be driven Cam 51 continues to drive moving part 52 to order about protecgulum 33 and pivots towards the direction away from lid 32 on second, and rotating driver drives device Continue synchronization and order about sliding support 70 driving display screen 60 forward slip by shrinking actuating device, be additionally, since the second track Guidance part 113 and the 3rd track guiding portion 121 spacing vertically be gradually increased so that the top of display screen 60 gradually It is lifted up.

When the second lead 315 moves into First Transition section m3, the second lead 315 start again relatively downside wall 11 to Lower movement, the first lead 323 also starts to move along elongated hole 112 to the back lower place again, and on lid 31 and second on first, lid 32 continues Continuous folding start.And driving cam 51 continues to drive moving part 52 to order about protecgulum 33 and pivots towards the direction away from lid 32 on second, And rotating driver drives device continuation synchronization and orders about sliding support 70 driving display screen 60 forward slip by shrinking actuating device, And the top of display screen 60 continues gradually to be lifted up.

When the mobile junction to First Transition section m3 and second straight line section m4 of the second lead 315 is (as Fig. 6 and Fig. 7 institute Show), the axial line of the 5th drive-connecting shaft 521, the 4th drive-connecting shaft 513 and the 6th drive-connecting shaft 522 is generally aligned in the same plane interior, protecgulum 33 dozens Open to the position farthest away from the forward edge of lid 32 on second, now on protecgulum 33 and second between the forward edge of lid 32 Opening is maximum.Now, the opening forward upward that display screen 60 starts to cover from protecgulum 33 and second between 32 stretches out.

When the second lead 315 moves into second straight line section m4, it is displaced into second straight line section m4 in the second lead 315 And second in changeover portion m5 when, the second lead 315 continues downside wall 11 relatively and moves down, and the first lead 323 continues edge Elongated hole 112 moves to the back lower place, lid 32 continuation folding start on lid 31 and second on first.And driving cam 51 starts to drive Moving part 52 orders about protecgulum 33 and pivots that (but on protecgulum 33 and second opening between lid 32 is still towards the direction of lid 32 on second Can allow for display screen 60 to pass through), and rotating driver drives device and continues the synchronous contraction actuating device that passes through and order about sliding support 70 driving display screen 60 forward slip, and the top of display screen 60 continues gradually to be lifted up.

When the second lead 315 moves into (as shown in figure Fig. 8 to Figure 10), the second lead in the second arc section m6 315 move to minimum position relative to downside wall 11, and the first lead 323 moves to minimum position relative to elongated hole 112, then On lid 31 and second on first, lid 32 is folded to collapsed position, and the first lead 323 and the second lead 315 all start relatively Downside wall 11 is static, then cover 32 on lid 31 and second on first and be maintained at collapsed position.Now, display screen 60 movement extend out to Out position, HUD 100 switches to use state, then, reflected by the light path mechanism 20 reflected mirror of l1 80 that emits beam Light l2 afterwards i.e. permeable barrier film 40 projects and is imaged on display screen 60, will drive the speed needing, oil mass, lead The running informations such as boat, driving safety auxiliary are projeced on display screen 60, so that driver easily watches.

And, when the second lead 315 moves in the second arc section m6, can be by driving cam 51 along counterclockwise Protecgulum 33 is ordered about towards closer or far from second driving moving part 52 in direction or clockwise (direction of Fig. 9 arrow b indication) The direction of upper lid 32 pivots, and to adjust the size of the opening between lid 32 on protecgulum 33 and second, and meanwhile, rotating driver drives device Also synchronization is ordered about sliding support 70 driving display screen 60 by contraction actuating device and is slided forward or backward to adjust display screen 60 (as shown in FIG. 9 and 10, display screen 60 can adjust to turning forward for angle of inclination in extended position；As Figure 12 and figure Shown in 13, display screen 60 can adjust to tilting backwards) so that being sized to of the opening between lid 32 on protecgulum 33 and second Automatically the space needed for adaptation display screen 60 adjustment angle of inclination is so that protecgulum 33 can preferably adapt to close to display screen 60, reduce the space between protecgulum 33 and display screen 60 as far as possible, preferably shelter from the inner space of base 10.

(2) HUD 100 is switched to the closing shape shown in Fig. 1 to Fig. 3 by the use state shown in 8 to Figure 10 State detailed process is:

Rotating driver orders about travelling gear 53 and drives the driving cam 51 (side of arrow b indication in Fig. 9 along clockwise direction To) pivot, and rotating driver synchronously orders about contraction actuating device reverse drive, is slided backward with drawing sliding support 70, makes The first lead 323, on lid 31, second on the second lead 315, first lid 32, protecgulum 33 and display screen 60 according to above-mentioned Start process moves backward so that the second lead 315 sequentially passes through the second changeover portion m5, second straight line by the second arc section m6 Section m4, First Transition end, the first arc section m2 and first straight line section m1, reach first straight line section m1 and are away from the first arc section m2 End position, the first lead 323 moves to extreme higher position relative to elongated hole 112, lid 31 and second on first covers 32 and returns It is back to expanded position, display screen 60 is back to the punctured position shrinking in base 10 keeping flat, protecgulum 33 is back to and is closed to On second, the forward edge of lid 32 is so that HUD 100 is back to the closed mode shown in Fig. 1 to Fig. 3.

Separately, other concrete structures of the HUD 100 involved by this utility model and operation principle, are this area Those of ordinary skill known to, here is no longer described in detail.

Compared with prior art, due to HUD 100 of the present utility model cover assembly 30 first on cover 31 Rear end be articulated in the rear end of base 10, on second, the rear end of lid 32 is articulated in the front end of lid 31 on first, lid 32 on second Slide located at the front end of base 10 in pivotable in front end, and on lid 31 and second on first, lid 32 is shielded in base 10 jointly Top, on lid 31 and second on first, lid 32 has an expanded position and being mutually expanded to one first default angle and mutually receives Roll over to the collapsed position of one second default angle；Protecgulum 33 is articulated in the front end of base 10, and protecgulum 33 is in can to open or close On second, the forward edge of lid 32 is so that the structure more advantages of simple of cover assembly 30；One is offered on lid 31 on first Emit beam the light hole 311 passing through for light path mechanism 20, and barrier film 40 seals up light hole 311；Opening and closing actuating device 50 passes Be dynamically connected on rotating driver, first between lid 31 and protecgulum 33, be driven order about cover on lid 31 and second on first 32 it Between exhibition be incorporated as dynamic and order about protecgulum 33 and be opened and closed the opening and closing start of lid 32 on second and synchronously carry out；Display screen 60 activity located at On base 10, display screen 60 has and shrinks in the punctured position in base 10 and is from protecgulum 33 and second between lid 32 Opening upwards stretch out in the extended position of base 10；Telescopic transmission device be in transmission connection in rotating driver and display screen 60 it Between, order about flexible start between punctured position and extended position for the display screen 60 to be driven；Wherein, rotating driver synchronously drives Make opening and closing actuating device 50 and telescopic transmission device start, to order about on lid 31 and second on first by being opened and closed actuating device 50 Exhibition between lid 32 is incorporated as dynamic and when ordering about protecgulum 33 and being opened and closed the opening and closing start of lid 32 on second, synchronous passes through flexible transmission dress Put and order about display screen 60 and stretch start；When HUD 100 is closed, on lid 31 and second on first, lid 32 is in Expanded position, protecgulum 33 is closed to the forward edge of lid 32 on second, and display screen 60 is located at punctured position；HUD 100 When being in use state, on lid 31 and second on first, lid 32 is in collapsed position, and protecgulum 33 is opened to be away from second and covered 32 Forward edge, display screen 60 be located at extended position, barrier film 40 is towards display screen 60.Thus by the masking of cover assembly 30 Effect, and cover light hole 311 so that the inside of base 10 can be isolated from the external world by what barrier film 40 sealed, not only can Enough ensure that the light path mechanism 20 in base 10 emits beam and smoothly pass through barrier film 40, and can by cover assembly 30 and The foreign bodies such as the effective blocks dust of barrier film 40, liquid enter in base 10, make the clean of base 10 internal medium to ensure Only, it is to avoid the foreign body such as dust, liquid components and parts internal to light path mechanism 20 in base 10 etc. cause to damage and lead to no The situation of method normal work occurs, and prevents fault so that service life greatly prolongs.And, cover assembly 30 and display The start process of screen 60 synchronously orders about opening and closing actuating device 50 by rotating driver and telescopic transmission device start is synchronously passed Dynamic, it is incorporated as moving and ordering about protecgulum 33 opening to order about the exhibition between lid 32 on lid 31 and second on first by opening and closing actuating device 50 When closing the opening and closing start of lid 32 on second, synchronization is ordered about display screen 60 by telescopic transmission device and is stretched start it is achieved that covering The start process of body assembly 30 and display screen 60 carries out providing power by same rotating driver, and structure greatly simplifies, start Process is also more simple, so that the structure of HUD of the present utility model 100 more advantages of simple, can be more preferable Prevent fault, extend service life further.

Separately, the light path mechanism 20 of the HUD 100 involved by this utility model and its within HUD 100 The concrete structure of its mechanism and operation principle, are all well known for ordinary skill in the art, and here does not remake detailed Explanation.

Above disclosed only preferred embodiment of the present utility model, can not limit this practicality with this new certainly The interest field of type, the equivalent variations therefore made according to this utility model claim, still belong to this utility model and covered Scope.

Claims (10)

1. a kind of HUD, has a closed mode and a use state it is characterised in that including:

Base,

For the light path mechanism of imaging, described light path mechanism is in described base；

Rotating driver, described rotating driver is in described base；

Cover assembly, described cover assembly comprises on first lid, lid and protecgulum on second, and on described first, the rear end of lid is articulated in The rear end of described base, on described second, the rear end of lid is articulated in the front end of lid on described first, the front end of lid on described second Slide located at the front end of described base in pivotable, and cover and be jointly shielded in described bottom on lid and described second on described first The top of seat, on lid and described second on described first lid have an expanded position being mutually expanded to one first default angle and One collapsed position being mutually folded to one second default angle；Described protecgulum is articulated in the front end of described base, and described protecgulum In the forward edge that can open or be closed to lid on described second；

The barrier film of light-permeable, covers on described first and offers one and emit beam the light hole passing through for described light path mechanism, Described barrier film seals up described light hole；

Opening and closing actuating device, described opening and closing drive is connected to described rotating driver, on first between lid and protecgulum, It is incorporated as dynamic and orders about described protecgulum and be opened and closed in described the so that the exhibition ordered about on described first between covering to be driven on lid and described second On two, the opening and closing start of lid is synchronously carried out；

Display screen, the activity of described display screen on described base, described display screen has the contraction shrinking in base Opening upwards between position and is covered from described protecgulum and described second stretch out in the extended position of described base；And

Telescopic transmission device, described telescopic transmission device is in transmission connection between described rotating driver and described display screen, with Flexible start between described punctured position and described extended position for the described display screen is ordered about in transmission；

Wherein, described rotating driver synchronously orders about described opening and closing actuating device and described telescopic transmission device start, to pass through The exhibition that described opening and closing actuating device orders about between covering on lid and described second on described first is incorporated as moving and ordering about described protecgulum opening When closing the opening and closing start of lid on described second, synchronization orders about the flexible start of described display screen by described telescopic transmission device； When described HUD is closed, lid and described second on described first covers and is in the deployed, described protecgulum It is closed to the forward edge of lid on described second, described display location is in described punctured position；Described HUD is in institute When stating use state, on lid and described second on described first, lid is in collapsed position, and described protecgulum is opened and is away from described the The forward edge of lid on two, in described extended position, described barrier film is towards described display screen for described display location.

2. HUD as claimed in claim 1 it is characterised in that on described second lid posterior edges and described first The setting that the forward edge of upper lid is opened in gap, on the front end or described second of lid on described first, the rear end of lid is formed with opening Water conservancy diversion groove upward, in the posterior edges that described water conservancy diversion groove covers along along described second and described first lid forward edge it Between gap length direction arrangement, and on described second lid posterior edges and described first on lid forward edge between Gap just to the top positioned at described water conservancy diversion groove, the width of the opening of described water conservancy diversion groove is equal to or more than on described second The width in the gap between the forward edge of lid in the posterior edges and described first of lid.

3. HUD as claimed in claim 2 is it is characterised in that described water conservancy diversion groove is formed at lid on described second Rear end, when on lid and described second on described first, lid is located at described collapsed position, the forward edge cocker of lid on described second It is incorporated in described water conservancy diversion groove.

4. HUD as claimed in claim 1 is it is characterised in that described opening and closing actuating device includes driving cam and gearing Part, described cam is formed with one first track guiding portion, and described driving cam is articulated on described base, and described transmission is convex Wheel is in transmission connection in the outfan of described rotating driver, and on described first, lid is slidably connected to described first rail in pivotable On mark guidance part, the rear end of described moving part is articulated on described driving cam, the front end of described moving part be articulated in described before Cover；When the described driving cam pivoting drives the exhibition between covering on lid and described second on described first to be incorporated as dynamic, Timing Belt Move described moving part and order about the opening and closing start that described protecgulum is opened and closed lid on described second.

5. HUD as claimed in claim 4 is it is characterised in that the left and right sides of described base has all upwardly extended phase Mutually parallel downside wall, described downside wall offers and covers mutual folding start on lid and described second in avoidance described first Avoid groove；On described first, the left and right sides of lid has all extended downwardly first assembly wall that is parallel to each other, lid on described second The left and right sides has all extended downwardly second assembly wall that is parallel to each other, and the described protecgulum left and right sides is all extended with the 3rd being parallel to each other Assembly wall；The rear end of described first assembly wall is after the first drive-connecting shaft of a level is articulated in the described downside wall of respective side End, after the front end of described first assembly wall is articulated in described second assembly wall of respective side by the second drive-connecting shaft of a level End, the front end of described downside wall offers elongated hole, and the front end of described second assembly wall is provided with the first lead of a level, institute State the described elongated in the hole that the first lead one end away from described second assembly wall is placed through respective side in pivotable slip, Described 3rd assembly wall is articulated in the front end of described downside wall by the 3rd drive-connecting shaft of a level.

6. HUD as claimed in claim 5 is it is characterised in that described driving cam passes through the 4th pivot joint of a level Axle is articulated on described downside wall, and the bottom of described first assembly wall is provided with the second lead of a level, described second guiding Post is in pivotable being slidably connected in described first track guiding portion away from one end of described first assembly wall；Described moving part Rear end be articulated on described driving cam by the 5th drive-connecting shaft of a level, a level is passed through in the front end of described moving part 6th drive-connecting shaft is articulated on described 3rd assembly wall, and described 3rd drive-connecting shaft is located at the front end and described the of the 3rd assembly wall Between six drive-connecting shafts.

7. HUD as claimed in claim 6 is it is characterised in that described first track guiding portion comprises along side clockwise To the first straight line section sequentially tangentially connecting, the first arc section, First Transition section, second straight line section, the second changeover portion and Two arc sections, the center of circle of described first arc section and described second arc section is respectively positioned on the pivot axial line of described 4th drive-connecting shaft On, and the radius of described first arc section is more than the radius of described second arc section, described first straight line section is straight with described second Angle between line segment is acute angle, and described First Transition Duan Chengchao is away from the direction bending of the pivot axial line of described driving cam Arcuate structure, described second changeover portion be in towards near described driving cam pivot axial line direction bending arc knot Structure.

8. HUD as claimed in claim 7 is it is characterised in that described first straight line section is divided with described 5th drive-connecting shaft Not Wei Yu described 4th drive-connecting shaft both sides, on described first lid with described second on lid be in described expanded position when, described The mobile end position being away from described first arc section to described first straight line section of second lead, described 5th drive-connecting shaft moves Move to the lower section of the 4th drive-connecting shaft；Described second lead be located at described second arc section in when, on described first lid with described On second, lid is in described collapsed position, the top of described 5th drive-connecting shaft movement to the 4th drive-connecting shaft；Described second lead During mobile junction to described First Transition section and described second straight line section, described 5th drive-connecting shaft, the 4th drive-connecting shaft and the In the axial line of six drive-connecting shafts is generally aligned in the same plane, described protecgulum is opened to farthest away from the forward edge of lid on described second Position.

9. HUD as claimed in claim 6 is it is characterised in that described driving cam is away from described first track leads The side drawing portion is formed with the engaging tooth of the circumferencial direction distribution along described 4th drive-connecting shaft, and described opening and closing actuating device also includes Travelling gear, described travelling gear is articulated on described base around the axial line of a level, described travelling gear be in transmission connection in The outfan of described rotating driver, and described travelling gear engaged transmission is on described engaging tooth.

10. HUD as claimed in claim 5 is it is characterised in that also include sliding support, the bottom of described display screen It is fixed on described sliding support, the side that the described downside wall of the left and right sides is facing is each formed with the second facing track Guidance part, described base also upwardly extends the 4th assembly wall being parallel to described downside wall, shape on described 4th assembly wall One-tenth has the 3rd track guiding portion positioned at described second track guiding subordinate side, described second track guiding portion and described 3rd rail Mark guidance part extends and along the longitudinal direction all in recessed arcuate structure, described second track guiding portion and described 3rd track Guidance part distance vertically is gradually increased from the front to the back；The left and right sides of described sliding support is respectively provided with the horizontal direction 3rd lead of evagination, described 3rd lead is in the pivotable described second track guiding portion being slidably connected to respective side On, described sliding support is additionally provided with one parallel to described 3rd lead the 4th lead, described 4th lead is located at The downside of described 3rd lead, described 4th lead is slidably connected to described 3rd track guiding portion in pivotable；Institute The spacing perseverance stated between the 3rd lead and described 4th lead is more than described second track guiding portion and described 3rd track Guidance part spacing vertically, and the permanent front side being located at described 4th lead of described 3rd lead, described flexible biography Dynamic device is in transmission connection between described sliding support and described rotating driver, and described rotating driver drives described flexible biography Dynamic device orders about described sliding support and reciprocatingly slides along described 3rd track guiding portion and the 4th track portion.