CN205890743U - Switching transmission - Google Patents

Abstract

The utility model discloses a being applicable to the switching transmission of new line display, but being equipped with first upper cover and the second upper cover that can open up receipts each other on the base of new line display and being switching in the protecgulum at second upper cover front side edge, first upper cover has the position of expansion and folds up the position with the second upper cover, switching transmission includes drive cam and interlock spare, is formed with the orbit guidance part on the cam, the drive cam pin joint on the base, but the sliding connection that first upper cover is the pivot on the orbit guidance part, the rear end pin joint of interlock spare is on drive cam, the pin joint of interlock spare front end is on the protecgulum, the drive cam of pivot drives first upper cover and makes the measured time with the exhibition receipts between the second upper cover, and the switching that drives in step between the front side edge that interlock spare ordered about protecgulum and second upper cover actuates, when first upper cover is in the expansion position with the second upper cover, protecgulum closure in the front side edge of second upper cover, first upper cover and second upper cover are in when folding up the position, and the front side edge of keeping away from in the second upper cover is opened to the protecgulum.

Description

Opening and closing actuating device

Technical field

This utility model is related to mechanically operated technical field, and more particularly, to a kind of opening and closing being applied to HUD passes Dynamic device.

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 for the display screen that can preferably protect HUD when not in use, display screen is mostly all It is on the base be movably arranged at HUD, that is, display screen is collapsible is hidden in base or protrudes upward outer in base Portion.Accordingly, it would be desirable to corresponding be designed to be opened and closed activity by the cover assembly of base top, so that cover assembly can be received Fold up, protrude upward the outside in base to avoid display screen；And when display screen shrinks and is hidden in base, lid group Part can launch to come, and to cover display screen, plays the more preferable effect protecting display screen.

But, in current HUD, the transmission structures for driving cover assembly start are extremely complex, make Dynamic also extremely very complicated is it is easy to drive failures, and leads to cover assembly cannot normally open up and be incorporated as moving.And, also Have the shortcomings that production cost is high.

Therefore, it is badly in need of a kind of to be opened and closed actuating device to overcome above-mentioned problem.

Utility model content

The purpose of this utility model is to provide that a kind of structure is simple, start simple and flexible, be less prone to fault and production The opening and closing actuating device of low cost.

For achieving the above object, this utility model provides a kind of opening and closing actuating device it is adaptable to HUD, its In, the base of described HUD is provided with can mutually open up receipts first on lid and second lid and is in can be opened and closed in described The protecgulum of lid forward edge on second, on lid and described second on described first, lid has one and is mutually expanded to one first default folder The expanded position at angle and one is mutually folded to the collapsed position of one second default angle；Described opening and closing actuating device includes being driven convex Wheel and moving part, described cam are formed with a track guiding portion, described driving cam is articulated on described base, and described first Upper lid is slidably connected in described track guiding portion in pivotable, and the rear end of described moving part is articulated in described driving cam On, the front end of described moving part is articulated on described protecgulum；The described driving cam pivoting drive on described first lid with described When exhibition between covering on second is incorporated as dynamic, the synchronous front side edge driving described moving part to order about lid on described protecgulum and described second Opening and closing start between edge；When on lid and described second on described first, lid is in the deployed, described protecgulum is closed to described The forward edge of lid on second；On described first lid with described second on lid be in collapsed position when, described protecgulum open away from The forward edge of lid on described second.

It is preferred that the rear end of lid is articulated in the rear end of described base on described first, the rear end pivot joint of lid on described second The front end of lid on described first, on described second, slide located at the front end of described base in pivotable in the front end of lid, and institute State and cover the top being jointly shielded in described base, before described protecgulum is articulated in described base on lid and described second on first End.

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 is in can away from one end of described first assembly wall Pivot is slidably connected in described track guiding portion；The rear end of described moving part is articulated in by the 5th drive-connecting shaft of a level On described driving cam, the front end of described moving part is articulated on described 3rd assembly wall by the 6th drive-connecting shaft of a level, 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 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 second The center of circle of arc section is respectively positioned on the pivot axial line of described 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 described track guiding portion is to be opened on described driving cam and be slidably fastened for described second lead Guide channel or guide hole.

It is preferred that the side that described driving cam is away from described track guiding portion is formed with along described 4th drive-connecting shaft The engaging tooth of circumferencial direction distribution.

It is preferred that described opening and closing actuating device also includes travelling gear, described travelling gear is around the axial line pivot of a level It is connected on described base, and described travelling gear engaged transmission is on described engaging tooth.

It is preferred that being additionally provided with a rotating driver in described base, the outfan of described rotating driver be in transmission connection in Described travelling gear.

Compared with prior art, it is formed with a track guiding due on the cam of opening and closing actuating device of the present utility model Portion, driving cam is articulated on base, and on first, lid is slidably connected in track guiding portion in pivotable, the rear end of moving part It is articulated on driving cam, the front end of moving part is articulated on protecgulum；The driving cam pivoting drives on lid and second on first When exhibition between lid is incorporated as dynamic, synchronous drive moving part orders about the opening and closing start between the forward edge of lid on protecgulum and second； When on lid and second on first, lid is in the deployed, protecgulum is closed to the forward edge of lid on second；Lid and second on first When upper lid is in collapsed position, protecgulum opens the forward edge being away from lid on second.So that opening and closing of the present utility model Actuating device simple and reasonable, production cost substantially reduces.Only need the driving cam of pivot, you can realize passing through track Guidance part drives the exhibition between covering on lid and second on first to be incorporated as moving, and synchronous drive moving part orders about lid on protecgulum and second Forward edge between opening and closing start so that start simple and flexible, be less prone to fault, and then ensure that on first, lid is with second The normal exhibition of upper lid is incorporated as moving, and ensures that protecgulum is normally opened and closed start.

Brief description

Fig. 1 is that the combination having when the HUD being opened and closed actuating device of the present utility model is closed is three-dimensional Schematic diagram.

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

Fig. 3 is the full sectional view of Fig. 1.

Fig. 4 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. 5 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. 4.

Fig. 6 is that the HUD with opening and closing actuating device of the present utility model is in combination solid during use state Schematic diagram.

Fig. 7 is the planar structure schematic diagram of the driving cam of opening and closing actuating device 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. 6, this utility model opening and closing actuating device 10 is applied to HUD 100, wherein, Lid 40 is provided with can mutually open up receipts first on lid 30 and second on the base 20 of HUD 100 and it is in can be opened and closed in the Cover the protecgulum 50 of 40 forward edge on two, on first lid 30 and second on lid 40 have one be mutually expanded to one first preset angle Expanded position and be mutually folded to the collapsed position of one second default angle, in the present embodiment, the first default angle is excellent Elect 180 ° (i.e. on lid 30 and second on first, lid 40 is expanded to the position being parallel to each other) as, second presets angle is preferably 142°.And, when lid 40 is in the deployed on lid 30 and second on first, lid 30 and second on first covers 40 all forward Tilt, topology layout is more reasonable.Certainly, the first default angle and the second default angle specifically select angle not as Limit, in other embodiments, flexibly can also select according to actual use demand, therefore, this is no longer going to repeat them.In detail For, HUD 100 also includes display screen 60 and the projection element (not shown) that lights accordingly, and luminous projection element sets Be placed in base 20, display screen 60 activity on base 20, and display screen 60 has the contraction shunk in base 20 Position (as shown in Figure 3) and one protrudes upward the extended position (as shown in Figure 6) in base 20.Display screen 60 is on base 20 The concrete mounting structure of activity setting can be using the mounting structure known to those of ordinary skill in the art, such as display screen 60 mounting structures that setting slided on base 20, but be not limited thereto, will not be described here.Wherein, display screen 60 is in During extended position shown in Fig. 6, luminous projection element can drive the speed needing, oil mass, navigation, driving safety auxiliary etc. Running information is projeced on display screen 60, so that driver easily watches.

Refer to Fig. 1 to Fig. 7, opening and closing actuating device 10 of the present utility model includes driving cam 11 and moving part 12, convex One track guiding portion 111 is formed with wheel, driving cam 11 is articulated on base 20, on first, lid 30 is in the pivotable company of slip It is connected in track guiding portion 111, thus realizing the drive mechanism to lid 30 on first for the driving cam 11；The rear end pivot of moving part 12 It is connected on driving cam 11, the front end of moving part 12 is articulated on protecgulum 50, thus realizing the biography to protecgulum 50 for the driving cam 11 Dynamic structure.When the driving cam 11 pivoting drives the exhibition between lid 40 on lid 30 and second on first to be incorporated as moving, the synchronous company of drive Moving part 12 orders about the opening and closing start on protecgulum 50 and second between the forward edge of lid 40；Wherein, on lid 30 and second on first When lid 40 is in the deployed, protecgulum 50 is closed to the forward edge of lid 40 on second, and now, display screen 60 is located at and shrinks the bottom of in Punctured position in seat 20, thus pass through lid 40 and protecgulum 50 on lid 30, second on first to cover showing positioned at punctured position Display screen 60 (as shown in Figure 3), with more preferable protection display screen 60.When on lid 30 and second on first, lid 40 is in collapsed position, Protecgulum 50 opens the forward edge being away from lid 40 on second, so that display screen 60 can cover 40 from protecgulum 50 and second Between opening upwards extend out to extended position (as shown in Figure 6), structure is more reasonable.So that opening and closing of the present utility model Actuating device 10 simple and reasonable, production cost substantially reduces.Only need the driving cam 11 of pivot, you can realize passing through Track guiding portion 111 drives the exhibition between lid 40 on lid 30 and second on first to be incorporated as moving, and synchronous drive moving part 12 orders about On protecgulum 50 and second, the opening and closing start between the forward edge of lid 40, so that start simple and flexible, is less prone to fault, and then Ensure that the normal exhibition of lid 40 on lid 30 and second on first is incorporated as moving, and ensure that protecgulum 50 is normally opened and closed start.Specifically, such as Under:

Refer to Fig. 1 and Fig. 2, in the present embodiment, on first, the rear end of lid 30 is articulated in the rear end of base 20, on second The rear end of lid 40 is articulated in the front end of lid 30 on first, and on second, the front end of lid 40 is in pivotable slip before base 20 On end, and lid 30 and second on first, lid 40 is shielded in the top of base 20 jointly, and protecgulum 50 is articulated in the front end of base 20.Tool Body ground, the left and right sides of base 20 all upwardly extends the downside wall 21 being parallel to each other, and downside wall 21 offers in avoidance first On lid 30 and second, lid 40 mutual folding starts avoids groove 211 so that covering 40 articulated section on lid 30 and second on first There is enough spaces move down, to make to cover 40 mutual folding starts on lid 30 and second on first, structure is more reasonable.The On one, the left and right sides of lid 30 has all extended downwardly first assembly wall 31 that is parallel to each other, and on second, the left and right sides of lid 40 is all downward It is extended with second assembly wall 41 that is parallel to each other, protecgulum 50 left and right sides is all extended with the 3rd assembly wall 51 being parallel to each other；First The rear end of assembly wall 31 is articulated in downside wall 21 rear end of respective side, the first assembly wall 31 by the first drive-connecting shaft 32 of a level Front end be articulated in by the second drive-connecting shaft 33 of a level respective side the second assembly wall 41 rear end, the front end of downside wall 21 Offer elongated hole 212, and elongated hole 212 more excellent for sweptback setting, the front end of the second assembly wall 41 is provided with a level The first lead 42, the first lead 42 is placed through respective side away from one end of the second assembly wall 41 in pivotable slip In elongated hole 212, the 3rd assembly wall 51 is articulated in the front end of downside wall 21 by the 3rd drive-connecting shaft 52 of a level.Thus realizing On first, the rear end of lid 30 is articulated in the structure of the rear end of base 20, and on second, the rear end of lid 40 is articulated in lid 30 on first The structure of front end, and on second, the front end of lid 40 is in the pivotable structure slided located at the front end of base 20, and structure is more For advantages of simple.

Meanwhile, driving cam 11 is articulated on downside wall 21 by the 4th drive-connecting shaft 113 of a level, the first assembly wall 31 Bottom be provided with the second lead 34 of a level, that is, the second lead 34 be located at the first drive-connecting shaft 32 and the second drive-connecting shaft 33 it Between lower section position, the second lead 34 is in pivotable to be slidably connected to track guiding away from one end of the first assembly wall 31 In portion 111, thus realizing lid 30 on first is in the pivotable structure being slidably connected in track guiding portion 111.Moving part 12 Rear end be articulated on driving cam 11 by the 5th drive-connecting shaft 121 of a level, a level is passed through in the front end of moving part 12 6th drive-connecting shaft 122 is articulated on the 3rd assembly wall 51, and the 3rd drive-connecting shaft 52 is located at the front end and the 6th of the 3rd assembly wall 51 Between drive-connecting shaft 122, thus realizing moving part 12 being in transmission connection between the 3rd assembly wall 51 and driving cam 11, structure letter Single reasonable.

Refer to Fig. 7, specifically, in the present embodiment, track guiding portion 111 comprises (arrow in Fig. 7 along clockwise direction Head b indication direction) sequentially tangentially connect first straight line section m1, 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 4th pivot On the pivot axial line of spindle 113, 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 Angle and second straight line section m4 between is acute angle, and First Transition section m3 is in the side towards the pivot axial line away from driving cam 11 To the arcuate structure bending so that the second lead 34 more smoothly can transit to second straight line section from the first arc section m2 m4；Second changeover portion m5 is in the arcuate structure of the direction bending towards the pivot axial line near driving cam 11 so that second leads More smoothly the second arc section m6 can be transitted to post 34 from second straight line section m4.Thus when driving cam 11 pivots, making Obtaining the second lead 34 can be in first straight line section m1 sequentially connecting, the first arc section m2, First Transition section m3, second straight line Section m4, move under the spacing guide function of the second changeover portion m5 and the second arc section m6 and cover 30 and the on first it is achieved that driving On two, the exhibition between lid 40 is incorporated as moving.Wherein, in the present embodiment, track guiding portion 111 be opened on driving cam 11 and The guide channel (in figure does not mark) being slidably fastened for the second lead 34, guiding channel opening direction the first assembly wall 31, with convenient Second lead 34 is slidably fastened in guide channel.Certainly, in other embodiments, track guiding portion 111 can also be chosen as The guide hole (not shown) being opened on driving cam 11 and being slidably fastened for the second lead 34, it can be according to actual Use demand and flexibly select, will not be described here.It should be noted that first straight line section m1, the first arc section m2, the first mistake Cross a 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 circle The radius of segmental arc m6, First Transition section m3 and the second changeover portion m5, and between first straight line section m1 and second straight line section m4 Concrete 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. 4, Fig. 5 and Fig. 6, first straight line section m1 and the 5th drive-connecting shaft 121 are located at the 4th drive-connecting shaft respectively 113 both sides, to meet the activities necessary of transmission.Wherein, as shown in Fig. 2 covering 40 on lid 30 and second on first to be in expansion During position, the mobile end position being away from the first arc section m2 to first straight line section m1 of the second lead 34, the 5th drive-connecting shaft The 121 mobile lower sections to the 4th drive-connecting shaft 113.I.e., now, the 5th drive-connecting shaft 121 is moved downward to forefront, moving part 12 It is to be moved downward to forefront, protecgulum 50 is closed to the forward edge of lid 40 on second so that HUD 100 is in closing State.Furthermore, as shown in fig. 6, when the second lead 34 is located in the second arc section m6, covering at 40 on lid 30 and second on first In collapsed position, the mobile top to the 4th drive-connecting shaft 113 of the 5th drive-connecting shaft 121, now, protecgulum 50 is opened and is away from second The forward edge of lid 40, the opening upwards that display screen 60 covers between 40 from protecgulum 50 and second extend out to extended position, come back 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 113 On, when the second lead 34 moves in the second arc section m6, the second lead 34 downside wall 21 relatively static so that on first On lid 30 and second, lid 40 is maintained at collapsed position, and the driving cam 11 of pivot only drives moving part 12 to order about protecgulum 50 and rotates, To adjust the openings of sizes between the forward edge of lid 40 on protecgulum 50 and second, to adapt to be pointed to the display screen of extended position The adjustment demand at 60 angle of inclination, structure is more reasonable.Second lead 34 moves to First Transition section m3 and second straight line During the junction of section m4, the axial line of the 5th drive-connecting shaft 121, the 4th drive-connecting shaft 113 and the 6th drive-connecting shaft 122 is generally aligned in the same plane Interior, protecgulum 50 is opened to the position farthest away from the forward edge of lid 40 on second, now before lid 40 on protecgulum 50 and second Opening between lateral edges is maximum.It should be noted that the second lead 34 is in the first arc section m2 and the second arc section m6 When mobile, the second lead 34 downside wall 21 relatively is static, then cover 40 on lid 30 and second on first and be maintained at the second lead 34 enter position during the first arc section m2 or the second arc section m6.Second lead 34 is in first straight line section m1, First Transition When moving in section m3, second straight line section m4 and the second changeover portion m5, the second lead 34 moves relative to downside wall 21, then on first Lid 30 can relative exhibition be incorporated as moving with lid 40 on second.And driving cam 11 can drive moving part 12 to order about protecgulum 50 when pivoting always Pivot the opening and closing start being opened and closed the forward edge of lid 40 on second, simple and reasonable, and transmission need can be better met Ask.

Refer to Fig. 2 and Fig. 7, the side that driving cam 11 is away from track guiding portion 111 is formed with along the 4th drive-connecting shaft The engaging tooth 112 of 113 circumferencial direction distribution, and the number of degrees of the central angle corresponding to arc length of engaging tooth 112 distribution are excellent Elect 180 ° as, to meet required pivot stroke, the central angle corresponding to arc length of certain engaging tooth 112 distribution concrete The number of degrees are not limited thereto, and in other embodiments, flexibly can also be selected according to actual use, this utility model is not This is defined, therefore, will not be described here.Opening and closing actuating device 10 of the present utility model also includes travelling gear 13, transmission Gear 13 is articulated on base 20 around the axial line of a level, and travelling gear 13 engaged transmission is on engaging tooth 112, thus real Now the pivot to drive driving cam 11 is nibbled by travelling gear 13, simple and reasonable.Specifically, in the present embodiment, bottom It is additionally provided with a rotating driver (not shown), the outfan of rotating driver is in transmission connection in travelling gear 13 in seat 20, with Order about travelling gear 13 by rotating driver to rotate, realize by rotating driver to opening and closing actuating device of the present utility model 10 offer driving forces, simple and reasonable.Wherein, rotating driver is preferably motor.It should be noted that base 20 about two Opening and closing actuating device 10 of the present utility model is provided with the downside wall 21 of side, the travelling gear 13 of the left and right sides is by same Rotating bar 70 is in transmission connection in the outfan choosing driver, simple and reasonable, wherein, rotating bar 70 pivot pivot in left-right direction It is connected on the downside wall 21 of the left and right sides, travelling gear 13 is fixed on the end of rotating bar 70.

Selectively, in this example it is shown that screen 60 passes through a transmission component (not shown) biography is connected to rotation drive The outfan of dynamic device, realizes ordering about display screen 60 start between punctured position and extended position by rotating driver, and, Enable rotating driver to order about opening and closing actuating device 10 of the present utility model and drive lid 40 and front on lid 30, second on first When covering 50 start, synchronously order about display screen 60 start.Wherein, the concrete structure of transmission component can adopt the common skill of this area Structure known to art personnel, this utility model is not defined to this, therefore, will not be described here.

In conjunction with accompanying drawing, the operation principle of the HUD 100 with opening and closing actuating device 10 of the present utility model is made Describe in detail:

Wherein, when HUD 100 is in the closed mode shown in Fig. 1 to Fig. 3, lid 30 and second on first covers 40 It is in the deployed, display screen 60 is in the punctured position shrinking in base 20, before protecgulum 50 is closed to lid 40 on second Lateral edges, thus pass through the masking barrier effect of lid 40 and protecgulum 50 on lid 30, second on first so that base 20 is internally formed Relatively airtight space, with the other parts in more preferable protection display screen 60 and base 20.Now, first straight line section m1 is located at The top of the 4th drive-connecting shaft 113, the 5th drive-connecting shaft 121 is located at the lower section of the 4th drive-connecting shaft 113, and the second lead 34 is located at first Straightway m1 is away from the end position of the first arc section m2.

(1) by HUD 100, closed mode as shown in Figure 1 switches to the concrete mistake of the use state shown in Fig. 6 Cheng Wei:

Rotating driver orders about travelling gear 13 and drives the driving cam 11 (side of arrow a indication in Fig. 2 in the counterclockwise direction To) pivot, the second lead 34 moves towards the first arc section m2 relative to first straight line section m1, the second lead 34 downside wall relatively 21 move down, and the first lead 42 covers 40 foldings to the back lower place is mobile so that covering on first on 30 and second along elongated hole 212 Start, meanwhile, driving cam 11 is synchronous to be driven moving part 12 to order about protecgulum 50 to pivot towards the direction away from lid 40 on second, and Rotating driver drive device also synchronously orders about display screen 60 and moves forward.

When the mobile junction (as shown in Figure 4) to first straight line section m1 and the first arc section m2 of the second lead 34, the Two leads 34 move in the first arc section m2, and the first lead 42 and the second lead 34 are all quiet relative to downside wall 21 Only, then on lid 30 and second on first, lid 40 is maintained at the positions of the second lead 34 entrance the first arc section m2.And it is driven convex Wheel 11 continues to drive moving parts 12 to order about protecgulum 50 and pivots towards the direction away from lid 40 on second, and rotating driver drives device and continues Continuous order about display screen 60 and move forward.

When the second lead 34 moves into First Transition section m3, it is downward that the second lead 34 starts downside wall 21 relatively again Mobile, the first lead 42 also starts to move along elongated hole 212 to the back lower place again, and on lid 30 and second on first, lid 40 continues to receive Folding start.And driving cam 11 continues to drive moving part 12 to order about protecgulum 50 and pivots towards the direction away from lid 40 on second, and Rotating driver drives device to be continued to order about display screen 60 and moves forward.

When the mobile junction (as shown in Figure 5) to First Transition section m3 and second straight line section m4 of the second lead 34, the In the axial line of five drive-connecting shafts 121, the 4th drive-connecting shaft 113 and the 6th drive-connecting shaft 122 is generally aligned in the same plane, protecgulum 50 is opened to It is away from second the position of the forward edge of lid 40, now on protecgulum 50 and second opening between the forward edge of lid 40 is Greatly.Now, the opening forward upward that display screen 60 starts to cover from protecgulum 50 and second between 40 stretches out.

When the second lead 34 moves into second straight line section m4, the second lead 34 be displaced into second straight line section m4 and When in the second changeover portion m5, the second lead 34 continues relatively downside wall 21 and moves down, and the first lead 42 continues along elongated Hole 212 is moved to the back lower place, lid 40 continuation folding start on lid 30 and second on first.And driving cam 11 starts to drive gearing Part 12 orders about protecgulum 50 and pivots that (but on protecgulum 50 and second, the opening between lid 40 still is able to towards the direction of lid 40 on second Display screen 60 is allowed to pass through), and rotating driver drives device and continues to order about the movement of display screen 60 forward upward and stretch out.

When the second lead 34 moves in the second arc section m6 (as shown in Figure 6), the second lead 34 bottom side relatively Wall 21 is mobile, and to minimum position, the first lead 42 elongated hole 212 relatively move to minimum position, then cover on first 30 and On second, lid 40 is folded to collapsed position, and the first lead 42 and the second lead 34 all to start downside wall 21 relatively static, Then cover 40 on lid 30 and second on first and be maintained at collapsed position.Now, display screen 60 movement extend out to extended position, comes back aobvious Show that device 100 switches to use state, you can the speed needing, oil can will be driven by the luminous projection element in base 20 The running informations such as amount, navigation, driving safety auxiliary are projeced on display screen 60, so that driver easily watches.

And, when the second lead 34 moves in the second arc section m6, can be by driving cam 11 along counterclockwise Protecgulum 50 is ordered about towards closer or far from second driving moving part 12 in direction or clockwise (direction of Fig. 6 arrow b indication) The direction of upper lid 40 pivots, and to adjust the size of the opening between lid 40 on protecgulum 50 and second, to adapt to rotating driver drive Device synchronously order about display screen 60 adjust angle of inclination needed for space so that protecgulum 50 can preferably adapt to close to display screen 60, reduce the space between protecgulum 50 and display screen 60 as far as possible, preferably shelter from the inner space of base 20.

(2) by HUD 100, use state as shown in Figure 6 switches to the closed mode detailed process shown in Fig. 1 For:

Rotating driver orders about travelling gear 13 and drives the driving cam 11 (side of arrow b indication in Fig. 6 along clockwise direction To) pivot so that 40, protecgulum 50 and display screen 60 are covered on lid 30, second on the first lead 42, the second lead 34, first According to above-mentioned start process reverse movement so that the second lead 34 by the second arc section m6 sequentially pass through the second changeover portion m5, Second straight line 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 first The end position of arc section m2, the first lead 42 moves to extreme higher position relative to elongated hole 212, on lid 30 and second on first Lid 40 is back to expanded position, and display screen 60 is back to the punctured position shrinking in base 20, and protecgulum 50 is back to and is closed to On second, the forward edge of lid 40 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, it is formed with a track guiding due on the cam of opening and closing actuating device 10 of the present utility model Portion 111, driving cam 11 is articulated on base 20, and on first, lid 30 is slidably connected in track guiding portion 111 in pivotable, The rear end of moving part 12 is articulated on driving cam 11, and the front end of moving part 12 is articulated on protecgulum 50；The driving cam pivoting When on lid 30 and second in 11 drives first, the exhibition between lid 40 is incorporated as dynamic, synchronous drive moving part 12 orders about protecgulum 50 and second Opening and closing start between the forward edge of upper lid 40；When on lid 30 and second on first, lid 40 is in the deployed, protecgulum 50 closes Forward edge together in lid 40 on second；Cover 40 on lid 30 and second on first when being in collapsed position, protecgulum 50 open away from The forward edge of lid 40 on second.So that opening and closing actuating device 10 of the present utility model is simple and reasonable, produce Cost substantially reduces.Only need the driving cam 11 of pivot, you can realize by track guiding portion 111 drive first on lid 30 with On second, the exhibition between lid 40 is incorporated as moving, and synchronous drive moving part 12 to order about on protecgulum 50 and second to cover 40 forward edge it Between opening and closing start so that start simple and flexible, be less prone to fault, and then ensure and covering 40 just on lid 30 and second on first Often exhibition is incorporated as moving, and ensures that protecgulum 50 is normally opened and closed start.

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 opening and closing actuating device is it is adaptable to HUD is it is characterised in that arrange on the base of described HUD There is on can mutually open up receipts first on lid and second lid and in the protecgulum that can be opened and closed lid forward edge on described second, described the On lid and described second on, lid has an expanded position and being mutually expanded to one first default angle and is mutually folded to one The collapsed position of the second default angle；Described opening and closing actuating device includes driving cam and moving part, and described cam is formed with One track guiding portion, described driving cam is articulated on described base, and on described first, lid is slidably connected to institute in pivotable State in track guiding portion, the rear end of described moving part is articulated on described driving cam, and the front end of described moving part is articulated in institute State on protecgulum；When the described driving cam pivoting drives the exhibition between covering on lid and described second on described first to be incorporated as dynamic, with Step drives described moving part to order about the opening and closing start between the forward edge of lid on described protecgulum and described second；On described first When on lid and described second, lid is in the deployed, described protecgulum is closed to the forward edge of lid on described second；Described first When on upper lid and described second, lid is in collapsed position, described protecgulum opens the forward edge being away from lid on described second.

2. opening and closing actuating device as claimed in claim 1 is it is characterised in that the rear end covered on described first is articulated in described bottom The rear end of seat, on described second, the rear end of lid is articulated in the front end of lid on described first, and on described second, the front end of lid is in can pivot Sliding of turning covers, on lid and described second, the top being jointly shielded in described base on the front end of described base, and described first Portion, described protecgulum is articulated in the front end of described base.

3. opening and closing actuating device as claimed in claim 2 is it is characterised in that the left and right sides of described base has all upwardly extended The downside wall being parallel to each other, 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, Described first lead is placed through the described elongated hole of respective side away from one end of described second assembly wall in pivotable slip Interior, described 3rd assembly wall is articulated in the front end of described downside wall by the 3rd drive-connecting shaft of a level.

4. opening and closing actuating device as claimed in claim 3 is it is characterised in that described driving cam passes through the 4th pivot of a level Spindle is articulated on described downside wall, and the bottom of described first assembly wall is provided with the second lead of a level, and described second leads It is slidably connected in described track guiding portion in pivotable to post away from one end of described first assembly wall；Described moving part Rear end is articulated on described driving cam by the 5th drive-connecting shaft of a level, and the of a level is passed through in the front end of described moving part Six drive-connecting shafts are articulated on described 3rd assembly wall, and described 3rd drive-connecting shaft is located at the front end and the described 6th of the 3rd assembly wall Between drive-connecting shaft.

5. opening and closing actuating device as claimed in claim 4 is it is characterised in that described track guiding portion comprises along clockwise direction The first straight line section that sequentially tangentially connects, the first arc section, First Transition section, second straight line section, the second changeover portion and second Arc section, 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.

6. opening and closing actuating device as claimed in claim 5 is it is characterised in that described first straight line section and described 5th drive-connecting shaft It is located at the both sides of described 4th drive-connecting shaft, when lid is in described expanded position on lid and described second on described first, institute respectively State the mobile end position being away from described first arc section to described first straight line section of the second lead, described 5th drive-connecting shaft The mobile lower section to the 4th drive-connecting shaft；When described second lead is located in described second arc section, lid and institute on described first State lid on second and be in described collapsed position, the top of described 5th drive-connecting shaft movement to the 4th drive-connecting shaft；Described second guiding During the mobile junction to described First Transition section and described second straight line section of post, described 5th drive-connecting shaft, the 4th drive-connecting shaft and In the axial line of the 6th drive-connecting shaft is generally aligned in the same plane, described protecgulum is opened to the front side edge farthest away from lid on described second The position of edge.

7. opening and closing actuating device as claimed in claim 4 is it is characterised in that described track guiding portion is to be opened in described transmission The guide channel being slidably fastened on cam and for described second lead or guide hole.

8. opening and closing actuating device as claimed in claim 4 is it is characterised in that described driving cam is away from described track guiding The side in portion is formed with the engaging tooth of the circumferencial direction distribution along described 4th drive-connecting shaft.

9. as claimed in claim 8 opening and closing actuating device it is characterised in that also including travelling gear, described travelling gear around The axial line of one level is articulated on described base, and described travelling gear engaged transmission is on described engaging tooth.

10. as claimed in claim 9 opening and closing actuating device it is characterised in that being additionally provided with a rotating driver in described base, The outfan of described rotating driver is in transmission connection in described travelling gear.