CN207842612U - A kind of telescopic visor - Google Patents

Abstract

The utility model discloses a kind of telescopic visors,Solve the problems, such as that learner-driven vehicle needs to install or remove visor in the school or outside school,Its technical solution be include bone bar,Waterproof cloth,Fixed plate and several groups connection rod set,The shape of fixed plate and the arc of window frame of automobile top edge match,Several groups connection rod set is made of several sub-links,Several sub-links are hinged successively,And bone bar is correspondingly arranged on several sub-links,Several bone bars are set up in parallel,The shape of several bone bars matches with the shape of fixed plate,The sub-link in several groups connection rod set is connected by several bone bars,Several bone bars are connected with waterproof cloth,Waterproof cloth is connected in fixed plate,Sub-link in connection rod set positioned at one end is connected in fixed plate,Gathering is either rotated by two neighboring sub-link rotary expansion to drive adjacent bone bar to be located remotely from each other or close,So that waterproof cloth expansion or gathering.

Description

A kind of telescopic visor

Technical field

The utility model is related to a kind of auto parts machinery, more particularly to a kind of telescopic visor.

Background technology

Automobile has become indispensable important tool during we live, more and more as a kind of vehicles People's registration learning, during driving school's learning, it is seen that being both provided with visor on the car door of driving school, these visors are compared The visor of road is wider, simpler and cruder, and learner-driven vehicle to output driving school go into the road carry out road travel when, because visor is wide Greatly, it is easy to scratch other vehicles or passerby needs to remove visor there are security risk, avoid influencing traffic, do so Also comparatively laborious, while after visor is removed, in some rainy weathers, vehicle window is closed, the outer temperature dramatic decrease car of vehicle Temperature decline is slower, and the moisture in in-vehicle air is easy for condensing on vehicle glass, makes driver that can not see vehicle Situations such as outer road, also student can be made not see rearview mirror when learning, influence to drive；If opening vehicle window at this time, Meeting rain flows into interior, then influence driving；Because of several students that can sit straight simultaneously in learner-driven vehicle, weather is placed without position Gear, this brings problem to the storage of visor；Need to design the visor of stretching for learner-driven vehicle, i.e., learner-driven vehicle is in driving school It is interior it is extensible come, block on a large scale from vehicle window inject or float into sunlight or rainwater；It learner-driven vehicle can be to when reaching outside driving school Car door is shunk, and is retracted in the case of meeting road, and the visor small-scale can block from vehicle window and inject or float at this time The sunlight or rainwater entered；And it is existing in visor be organic plates, geomantic omen rain beats some months with regard to oxide breaks, is easy to happen meaning Outside.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind being suitable for learner-driven vehicle in the school Or it is not necessarily to the telescopic visor dismantled or installed outside school.

To achieve the above object, the utility model provides following technical solution：A kind of telescopic visor includes Bone bar, waterproof cloth, fixed plate and several groups connection rod set, the shape and the arc of window frame of automobile top edge of the fixed plate match, Connection rod set described in several groups is made of several sub-links, several described sub-links are hinged successively, and several sub-links On be correspondingly arranged on bone bar, several described bone bars are set up in parallel, the shapes of several bone bars with the shape phase of fixed plate Match, is connected the sub-link in several groups connection rod set by several bone bars, several bone bars are connected with waterproof cloth, described Waterproof cloth is connected in fixed plate, and the sub-link in connection rod set positioned at one end is connected in fixed plate, even by two neighboring son It is either close so that waterproof cloth expansion or receipts to drive adjacent bone bar to be located remotely from each other that bar rotary expansion either rotates gathering Hold together.

The fixed plate is provided with several cards away from the side of connection rod set as a further improvement of the utility model, Button, several described buckles are distributed along fixed plate arcuate directions, and buckle may be stuck between window frame of automobile and adhesive tape.

On the sub-link being connected as a further improvement of the utility model, with fixed plate in connection rod set described in several groups It is provided with fastener, limiting plate, the 4th spring and limiting slot are provided in the fixed plate, is provided on the slot bottom of the limiting slot Helical teeth, the 4th spring one end are connected with the slot bottom of limiting slot, and the other end is connected with limiting plate, and limiting plate offsets with helical teeth It touches, limit board size is less than the size of limiting slot notch, the end face formation limit of the slot bottom, two side and limiting plate of limiting slot Mouthful, the inclined-plane on helical teeth is right against limited mouth, and the fastener is adapted with helical teeth, and the waterproof cloth is removably connected to fixed plate On, in fastener with respect to helical teeth sliding and until during fastener mutually blocks with helical teeth, the 4th spring is deformed upon and is resetted, limit Plate is inconsistent with fastener always.

The first rod aperture is provided in the fixed plate as a further improvement of the utility model, enters cloth slot and can deformation Gag lever post, it is described enter cloth slot the first rod aperture is extended to by fixed plate side where waterproof cloth, on an edge of the waterproof cloth It is provided with cloth running-on, deformable gag lever post is arranged in the first rod aperture, the diameter of gag lever post is more than the width into cloth slot, passes through Gag lever post is sheathed in cloth running-on so that waterproof cloth is positioned in fixed plate, and connection is both provided on several described sub-links Part, by the way that sliding block and sliding slot is respectively set on connector and bone bar and makes connector and bone by the cooperation of sliding block and sliding slot Bar slidable connection, when sub-link rotates gathering or rotary expansion, connector is with respect to bone bar along the arc square of fixed plate To movement.

As a further improvement of the utility model, the height of several connectors with far from fixed plate and successively Reduce so that be in a cambered surface after waterproof cloth opening.

The waterproof cloth uses transparent material as a further improvement of the utility model,.

The sub-link includes stock and quarter butt as a further improvement of the utility model, the stock and quarter butt It is in L fonts to link together, and adjacent sub-link is hinged and connected by stock and quarter butt.

Spacing walls are provided on the stock as a further improvement of the utility model, are arranged on the quarter butt limited Position hole, two neighboring sub-link is hinged by axis, and the first spring is arranged on the axis, and the both ends of first spring are equal Tangentially extend, one end is fixedly connected with stock, and the other end passes through limit hole and bends out limiting section towards stock, described Spacing walls extend along the length direction of stock, and the two side of spacing walls is in inclined-plane or cambered surface, is being limited by switching limiting section 13 The left side of position wall 11 or the gathering and expansion of right side control sub-link 1, when sub-link collapses, limiting section is located at spacing walls Left side, the first spring deformation；When force is so that sub-link opens, limiting section relative limit wall sliding, until limiting section moves To the right side of spacing walls, connected sub-link is promoted to open up into maximum angle by the first spring reset.

The sub-link far from fixed plate is fixedly connected with push rod as a further improvement of the utility model, when pull or When person pushes push rod, either push push rod that limiting section is made to be located at spacing walls left side or right side by pulling.

Drawstring is provided in the connection rod set as a further improvement of the utility model, cord hole is provided in fixed plate, The first torsional spring is arranged on quarter butt and the axis of stock hinged place, the torsional spring is connected with quarter butt and stock respectively, the fixation Intralamellar part is equipped with cavity, is provided with pulley, ratchet, unidirectional position-limit mechanism and third spring in cavity, one end of the drawstring with Sub-link far from fixed plate is fixedly connected, and the other end of drawstring successively passes through cord hole, bypasses pulley, is wrapped in the axis of ratchet On, the unidirectional position-limit mechanism includes bottom plate, bumping post and locating part, and the bumping post is stood on the end face of bottom plate, the limit Part is hinged with bottom plate, and is arranged with the second torsional spring in the hinged place, and the second torsional spring is connected with locating part and bottom plate respectively, locating part Inconsistent with bumping post, the both ends of the third spring are connect with bottom plate and fixed plate inner wall respectively, the locating part and ratchet phase It contradicts, bumping post extends fixed plate, and the axis of ratchet extends outside fixed plate, and when rotating ratchet, the ratchet of ratchet pushes limit Part rotates, the second torsional spring deformation, and drawstring is toward winding on the axis of ratchet, and sub-link mutually collapses, torsional spring deformation, until no longer turning Dynamic ratchet, the second torsional spring reset, and locating part is stopped by bumping post and limits ratchet and reverse；It is moved when pulling bumping post opposing fixed plate When, third spring deformation, locating part is separated with ratchet, and torsional spring resets, and sub-link mutually opens.

The beneficial effects of the utility model, fixed plate are installed on car door, and several groups connection rod set is distributed in fixed plate, right Bone bar and waterproof cloth carry out many places support so that the wind-force that waterproof cloth and bone bar are born is reduced, and waterproof cloth and bone are improved The service life of bar；By in every group sub-link move toward one another or mutually between each connecting rod of motion control with a distance from, between bone bar away from From change, waterproof cloth is opened or is shunk with the movement of bone bar so that and the utility model has adjustability compared with prior art, Learner-driven vehicle, without being dismantled or being installed to the utility model, facilitates the operation of coach, practicability is high when coming in and going out driving school And pedestrian and other vehicles will not be bumped to；The shape of the distribution of connecting rod, the shape of fixed plate and bone bar with vehicle window upper frame edge The profile of edge is consistent, improves the wind loading rating of bone bar and waterproof cloth, extends the service life of the utility model；Utilize waterproof The visor that cloth the is done visor that middle utilization organic plates are done compared with prior art, it is at low cost, it makes simply, will not be aoxidized and be broken It splits；Waterproof cloth softness, which will not collide with, hurts sb.'s feelings or hangs other bad vehicles.

Description of the drawings

Fig. 1 is the stereogram of the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is the left view of the utility model.

Fig. 4 is the enlarged drawing at A in Fig. 3.

Fig. 5 is the upward view when waterproof cloth of the utility model struts.

Fig. 6 is the upward view when waterproof cloth of the utility model collapses.

Fig. 7 is the stereogram of the connecting rod of the utility model.

Fig. 8 is the stereogram at another visual angle of connecting rod of the utility model.

Fig. 9 is the front view of another embodiment of the utility model.

Figure 10 is another embodiment fixed plate internal structure chart of the utility model.

Specific implementation mode

The utility model is described in further detail below in conjunction with the embodiment given by attached drawing.

Shown in Figure 10, a kind of telescopic visor of the present embodiment includes bone bar 2, waterproof cloth 3, consolidates Fixed board 4 and several groups connection rod set 0, the shape and the arc of window frame of automobile top edge of fixed plate 4 match, by fixed plate 4 with reference to vehicle Identical arc is made in vehicle window top edge arc on door, this is to the material utilization amount of fixed plate 4 and space utilization more adduction Reason, connection rod set 0 are made of several sub-links 1, several sub-links 1 are hinged successively, and are correspondingly arranged on several sub-links 1 There is bone bar 2, several bone bars 2 are set up in parallel, and the shape of the shapes of several bone bars 2 with fixed plate 4 matches, i.e. bone bar 2 Also arc-shaped, the sub-link 1 in several groups connection rod set 0 is connected by several bone bars 2, several bone bars 2 are connected with Waterproof cloth 3, waterproof cloth 3 are connected in fixed plate 4, and the sub-link 1 in connection rod set 0 positioned at one end is connected in fixed plate 4, waterproof Cloth 3 is located at the top of bone bar 2 and sub-link 1, is used for rain cover or sunlight, by 1 rotary expansion of two neighboring sub-link or Person, which rotates, to collapse to drive adjacent bone bar 2 to be located remotely from each other either close so that the expansion of waterproof cloth 3 or gathering, can be arranged Several connection rod sets 0 are along the contoured profile of fixed plate 4, and depending on the number of connection rod set 0 is by actually producing house, quantity is more, waterproof cloth 3 Stability might as well, connection rod set 0 generally is set in crucial bending place, should at least have three groups, be located at the head of fixed plate 4 Tail both ends and the place of the bending mutation of fixed plate 4, because of the place of bending mutation, 3 stress of waterproof cloth maximum and discontinuity, By the place setting connection rod set 0 in mutation, helps to share the power suffered by waterproof cloth 3, waterproof cloth 3 and bone bar 2 are carried For protection；The extending direction of bone bar 2 is consistent with the profile of fixed plate 4, several bone bars 2 are supported waterproof cloth 3, to ensure The length extending direction of waterproof cloth 3 is consistent with the bending shape of bone bar 2, and waterproof cloth 3 is identical with vehicle window top edge profile, waterproof cloth 3 be in a radian, is flowed along inclined surface convenient for rainwater, will not hoard the service life for extending waterproof cloth 3 in the top of waterproof cloth 3, It during driving school's practice, needs to strut waterproof cloth 3, pulls marginal bone bar 2 also at this time or waterproof cloth 3, be hinged 1 rotary expansion of sub-link, waterproof cloth 3 strut；When learner-driven vehicle will output driving school, waterproof cloth 3 is pushed to be moved close to vehicle window direction, The rotation of sub-link 1 being hinged is collapsed, and waterproof cloth 3 folds, the presence of waterproof cloth 3 and sub-link 1, after gathering Also it can play the role of small-scale keep off the rain as the visor that existing middle organic plates make；It can be opposite by changing sub-link 1 The inclined degree of fixed plate 4 so that waterproof cloth 3 strut after also with respect to ground inclination, be arranged in sky compared to 3 level ground of waterproof cloth Between it is upper using reasonable, reduce the case where coach or other students are touched in driving school, and inclined waterproof cloth 3 is being born When wind-force, wind-force is guided toward surrounding, the service life for being conducive to waterproof cloth 3, bone bar 2 and sub-link 1 extends；Fixed plate 4 can lead to It crosses viscose glue to paste on window frame of automobile also or by hanging on car door top edge so that fixed plate 4 is positioned on car door；Profit The visor made of waterproof cloth 3 the visor that middle utilization organic plates are done compared with prior art, it is at low cost, make simple, Bu Huishou It aoxidizes and ruptures；3 softness of waterproof cloth, which will not collide with, hurts sb.'s feelings or hangs other bad vehicles.

As a kind of improved specific implementation mode, referring to Fig.1 shown in, because the utility model is compared to the visor in existing Complicated, junction is more, and stability is relatively weak, i.e., also needs to disassemble to be overhauled when necessary, i.e., deviates from fixed plate 4 Several buckles 16 are provided on the side of connection rod set 0, several buckles 16 are distributed along 4 arcuate directions of fixed plate, and buckle 16 can It is stuck between window frame of automobile and adhesive tape, buckle 16 adapts to the thickness with the thickness of the door frame top edge of vehicle body or window frame of automobile top edge Degree, the door frame top edge and window frame of automobile top edge of vehicle body are wrapped in adhesive tape, after which shuts for car door, door frame and Sealing is formed between window frame of automobile, prevents water from penetrating into car from the crack of car door and vehicle body；Adhesive tape is additionally operable to buffering car door to vehicle The shock of body, buckle 16 with fixed plate 4 can be connected by screw also or be integrally formed, it is existing in adhesive tape installation pass through adhesive tape The elastic deformation of itself be wrapped on door frame on window frame of automobile, during the installation process, by the door frame top edge of vehicle body or vehicle The adhesive tape of window frame top edge is pulled to be detached with the door frame of vehicle body or window frame of automobile, adhesive tape deformation, and buckle 16 is held on door frame On upper or window frame of automobile, adhesive tape is unclamped, adhesive tape resets and to 16 limit of buckle, by the natural resiliency of adhesive tape waterproof cloth 3 existed Under by wind blows, buckle 16 connective stability it is strong, after car door is shut, since door frame and window frame of automobile mutually contradict, into one Step improves the position stability of buckle 16；The quantity of buckle 16 is arranged according to actual demand, and quantity is more, and connection is more stable； By the opposite car door of buckle 16 or vehicle body detachably with installation, fixed plate is attached to enhanced convenience on door compared to using viscose glue, Convenient for the maintenance to the utility model；Preferably buckle 16 is buckled on window frame of automobile, the utility model is moved together with car door, phase Than being mounted on vehicle body, avoid that car door bumps to the utility model accidentally or when people gets off bumps against the utility model accidentally and brings Damage to the utility model.

As a kind of improved specific implementation mode, with reference to shown in Fig. 3 to Fig. 4, fixed plate 4 whether by viscose glue or It is installed, window frame of automobile or adhesive tape can be damaged in terms of the utility model dismounting, to slow down by buckle 16 It damages, i.e., is both provided with fastener 18 on the sub-link 1 being connected with fixed plate 4 in several groups connection rod set 0, is arranged in fixed plate 4 There are limiting plate 42, the 4th spring 43 and limiting slot 41, helical teeth 412,43 one end of the 4th spring are provided on the slot bottom of limiting slot 41 It is connected with the slot bottom of limiting slot 41, the other end is connected with limiting plate 42, and limiting plate 42 and helical teeth 412 are inconsistent, 42 ruler of limiting plate The very little size less than 41 notch of limiting slot, the slot bottom of limiting slot 41, the end face formation limited mouth 413 of two side and limiting plate 42, Inclined-plane on helical teeth 412 is right against limited mouth 413, and fastener 18 is adapted with helical teeth 412, i.e., the shape of fastener 18 is gone with square The shape for falling a right-angle side is consistent, and the waterproof cloth 3 is removably connected in fixed plate, under original state, at the 4th spring 43 In nature, limiting plate 42 and helical teeth 412 are inconsistent, during the installation process, not from limiting slot 41 by sub-link 1 and fastener 18 It is limited the section notches that plate 42 blocks to stretch into limiting slot 41, the movement of sub-link 1 in place afterwards moves sub-link 1 towards helical teeth 412 Dynamic, fastener 18 is caught in from gap of the limiting plate 42 with helical teeth 412, and fastener 18 is with respect to the inclined-plane sliding of helical teeth 412, limiting plate 42 Stuck part 18 pushes and the slot bottom of separate limiting slot 41,43 deformation of the 4th spring, until fastener 18 is moved through the highest of helical teeth 412 Point, the 4th spring 43 reset, and for limiting plate 42 close to the slot bottom of limiting slot 41, fastener 18 hooks helical teeth 412, i.e. fastener 18 and helical teeth Waterproof cloth 3 is connected by 412 phase cards with fixed plate 4；When needing to split out fastener 18, by limiting plate 42 far from limiting slot 41 Slot bottom pulls, and then moves fastener 18 close to limiting plate 42 so that fastener 18 mutually blocks with the releasing of helical teeth 412, then by fastener 18 It is moved far from the 4th spring 43 so that fastener 18 is detached with limiting plate 42, finally by the removal limiting slot 41 of fastener 18, and by waterproof Cloth 3 is removed from fixed plate 4, is so designed, may make connection rod set 0 and waterproof cloth 3 can opposing fixed plate 4 dismounted, be not necessarily to Fixed plate 4 is detached with car door, improves the protection to car door.

It is provided with the first rod aperture 48 in fixed plate 4, enters with reference to shown in Fig. 3 as a kind of improved specific implementation mode Cloth slot 49 and deformable gag lever post 40 enter cloth slot 49 and extend to the first rod aperture 48 by 3 place fixed plate of waterproof cloth, 4 side, prevent It is provided with cloth running-on 31 on one edge of water cloth 3, deformable gag lever post 40 is arranged in the first rod aperture 48, because of fixed plate 4 Shape is bending, and gag lever post 40 selects partially soft plastic tube also or the powerful iron wire of deformation, the diameter of gag lever post 40 be more than into The width of cloth slot 49 is sheathed in cloth running-on 31 by gag lever post 40 so that waterproof cloth 3 is positioned in fixed plate 4, by waterproof cloth 3 Being connected to prevents rainwater by the car to the greatest extent of the slit source between waterproof cloth 3 and fixed plate 4 in fixed plate 4, improve effect of keeping off the rain；It is logical The plug of deformable gag lever post 40 is crossed in cloth running-on 31, whether control cloth running-on 31 is positioned in the first rod aperture 48, can be to waterproof Cloth 3 is installed and is dismantled, to correspond to the installation and dismounting of fastener 18；Because the edge of waterproof cloth 3 is limited, and to avoid Waterproof cloth 3 is moved together with connecting rod 1 causes waterproof cloth 3 to be easy to pull bad situation, i.e., is both provided on several sub-links 1 Connector 15, by connector 15 with sliding block and sliding slot are respectively set on bone bar 2 and is made by the cooperation of sliding block and sliding slot Connector 15 and 2 slidable connection of bone bar, connector 15 are located at the middle part of sub-link 1, hinged compared to connector 15 to be set to Place more stablizes, and avoids hinged place because of stress, complicated and be easily damaged, and is collapsed or rotary expansion when sub-link 1 rotates When, arcuate directions of the connector 15 relative to bone bar 2 along fixed plate 4 move, and will not so pull waterproof cloth 3, Improve the service life of waterproof cloth 3.

As a kind of improved specific implementation mode, with reference to shown in Fig. 3, the height of several connectors 15 is with far from solid Fixed board 4 and be sequentially reduced so that waterproof cloth 3 open after be in a cambered surface, cambered surface make waterproof cloth 3 be in an arch, improve Wind loading rating strengthens the structural stability of waterproof cloth 3 and connection rod set 0, extends the service life of waterproof cloth 3.

It advanced optimizes, includes base portion 151 and interconnecting piece 152, base portion 151 in connector 15 with reference to shown in Fig. 3 It is connect with sub-link 1, interconnecting piece 152 and 2 slidable connection of bone bar, the inside hollow out of base portion 151, interconnecting piece 152 are sheathed on In base portion 151, second spring 153 is provided in base portion 151, during waterproof cloth 3 opens or collapses, waterproof cloth The stress at 3 each positions is all different so that and 2 different location stress of bone bar is different, by the cushioning effect of second spring 153, Different deformation is generated on different location, is reduced the stress and deformation degree of waterproof cloth 3 and bone bar 2, is improved the steady of structure The longevity service life of qualitative and waterproof cloth 3 and bone bar 2；And in 3 wind resistance of waterproof cloth, second spring 153 is generated by deformation Elastic force further improves the wind loading rating of waterproof cloth 3.

As a kind of improved specific implementation mode, shown in Fig. 6, because waterproof cloth 3 is adjustable, the model blocked It encloses greatly, there is barrier effect, i.e. waterproof cloth 3 to use transparent material, daylighting can be improved the light of rearview mirror and vehicle window so that The light being radiated on rearview mirror will not weaken, and observe rearview mirror convenient for driver, do not interfere with the efficiency of student's practice.

As a kind of improved specific implementation mode, referring to Fig.1, shown in Fig. 7 and Fig. 8, sub-link 1 includes 19 He of stock Quarter butt 10, stock 19 and quarter butt 10 link together in L fonts, and adjacent sub-link 1 is hinged phase by stock 19 and quarter butt 10 Even so that after connection rod set 0 collapses in place, the one complete plane of formation side by side of all sub-links 1 can be in 19 He of stock A tip cut-off that quarter butt 10 an is connected part so that after the mutually installation of connecting rod 1, thickness that stock 19 and quarter butt 10 are collectively formed With the consistency of thickness of connecting rod 1, then sub-link 1 be in same plane, save space, while each connecting rod 1 is not interfere with each other, no Connector 15 can be damaged.

As a kind of improved specific implementation mode, referring to Fig.1, shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, it is arranged on stock 19 There are spacing walls 11, limit hole 14 is provided on quarter butt 10, two neighboring sub-link 1 is hinged by axis, is arranged on the axis There are the first spring 12, the both ends of the first spring 12 tangentially to extend, one end is fixedly connected with stock 19, and the other end passes through Limit hole 14 and bend out limiting section 13 towards stock 19, spacing walls 11 extend along the length direction of stock 19, spacing walls 11 Two side is in inclined-plane or cambered surface, when connected two sub-links 1 rotation is collapsed and limiting section 13 is inconsistent with spacing walls 11, First deformation due to rotation of spring 12；Sub-link 1 continues rotation and collapses, the side walls of 13 relative limit wall 11 of limiting section, the One deformation due to axial force of spring 12, until limiting section 13 is moved through the left side that spacing walls 11 reach spacing walls 11, i.e. the first bullet Spring 12 is axial to be resetted, and the side of adjacent sub-link 1 is mutually parallel, and unclamps sub-link 1, is limited because limiting section 13 is limited wall 11, The rotation deformation of first spring 12 can not reset, and waterproof cloth 3 is in folded state at this time；When by 1 rotary expansion of adjacent sub-link When, the side walls of 12 relative limit wall 11 of the first spring, the first deformation due to axial force of spring 12, until limiting section 13 moves Original side wall is moved back, the first spring 12 is axial to be resetted, and sub-link 1, the elastic potential of the first deformation due to rotation of spring 12 are unclamped It can do work so that two connected sub-links 1 continue rotary expansion, until the first spring 12 resets, two sub-links 1 no longer turn It is dynamic；Rotational angle between sub-link 1 determines by the both ends angled size of extending direction institute of the first spring 12, i.e. waterproof cloth 3 How wide energy opening is is determined by the first spring 12；In the conversion of above two state, the first spring 12 is in first spring 12 Elongated end in limit hole 14 moves back and forth along limit hole 14；It is limited in the both sides of spacing walls 11 by limiting section 13, teaches Practice only need to push and pull 3 edge of waterproof cloth outside learner-driven vehicle, can control the switching of 3 two states of waterproof cloth, the i.e. gathering of waterproof cloth 3 And opening, limit are easy to operate.

As a kind of improved specific implementation mode, referring to Fig.1 with shown in Fig. 6, the sub-link 1 far from fixed plate 4 is fixed It is connected with push rod 102, because several connection rod sets 0 are linked together by bone bar 2, push rod 102 need to be arranged one, then pass through drawing It is dynamic or push push rod 102 change one of connection rod set 0 the first spring 12 limiting section 13 in the left side of spacing walls 11 or On the right side of person, and remaining each connection rod set 0 is driven to collapse either expansion to control the gathering of waterproof cloth 3 or open by bone bar 2 It opens；Hand handle can be arranged on push rod 102 to push for people, the length of push rod 102 is pushed away no more than the width after the gathering of connection rod set 0 The design of bar 102 is easy for the state that occupant's skill removes regulation and control waterproof cloth 3, without getting off.

Drawstring 5 is provided in connection rod set 0 with reference to shown in Fig. 9 to Figure 10 as a kind of improved specific implementation mode, Gu Be provided with cord hole 51 on fixed board 4, be arranged with the first torsional spring on the axis of 19 hinged place of quarter butt 10 and stock, torsional spring respectively with quarter butt 10 It is connected with stock 19, fixed plate 4 is internally provided with cavity, and pulley 44, ratchet 45, unidirectional position-limit mechanism 46 are provided in cavity With third spring 47, one end of drawstring 5 is fixedly connected with the sub-link 1 far from fixed plate 4, and the other end of drawstring 5 successively passes through Cord hole 51 bypasses pulley 44, is wrapped on the axis of ratchet 45, and unidirectional position-limit mechanism 46 includes bottom plate 461, bumping post 462 and limit Position part 463, bumping post 462 are stood on the end face of bottom plate 461, and locating part 463 is hinged with bottom plate 461, and is arranged in the hinged place Second torsional spring, the second torsional spring are connected with locating part 463 and bottom plate 461 respectively, and locating part 463 and bumping post 462 are inconsistent, third bullet The both ends of spring 47 are connect with bottom plate 461 and 4 inner wall of fixed plate respectively, and locating part 463 and ratchet 45 are inconsistent, and bumping post 462 extends Go out fixed plate 4, the axis of ratchet 45 extends outside fixed plate 4, and when rotating ratchet 45, the ratchet of ratchet 45 pushes locating part 463 Rotation, the second torsional spring deformation, drawstring 5 is toward winding on the axis of ratchet 45, and sub-link 1 mutually collapses, torsional spring deformation, until no longer Rotating ratchet 45, the second torsional spring reset, and locating part 463 is stopped by bumping post 462 and limits ratchet 45 and reverse；When pulling bumping post When 462 opposing fixed plates 4 move, 47 deformation of third spring, locating part 463 is separated with ratchet 45, and torsional spring resets, sub-link 1 Mutually open；This scheme, by adjustability of the control with multiregion of the first spring 12 and push rod 102, passes through compared to the former Ratchet 45 rotate number, control waterproof cloth 3 struts size；The former push rod 102 is unfavorable for human hand and stretches far from fixed plate 4 Go out, this programme is compared by gathering and the opening of ratchet 45 and the control waterproof cloth 3 of unidirectional locating part 46 in transfer fixed plate 4 Under, the latter is more convenient user's operation, and hand is too far outside window without stretching out, and improves safety.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of telescopic visor, it is characterised in that：Include bone bar (2), waterproof cloth (3), fixed plate (4) and several groups Connection rod set (0), the shape and the arc of window frame of automobile top edge of the fixed plate (4) match, and connection rod set described in several groups (0) is equal It is made of several sub-links (1), several described sub-links (1) are hinged successively, and are correspondingly arranged on several sub-links (1) There is bone bar (2), several described bone bars (2) are set up in parallel, the shape phase of the shapes of several bone bars (2) with fixed plate (4) Matching, is connected the sub-link (1) in several groups connection rod set (0) by several bone bars (2), several bone bars (2) are even It is connected to waterproof cloth (3), the waterproof cloth (3) is connected in fixed plate (4), in connection rod set (0) even positioned at the sub-link (1) of one end It is connected in fixed plate (4), is collapsed by two neighboring sub-link (1) rotary expansion or rotation to drive adjacent bone bar (2) phase Mutually it is separate either close so that waterproof cloth (3) expansion or collapse.

2. a kind of telescopic visor according to claim 1, it is characterised in that：The fixed plate (4) deviates from connecting rod The side of group (0) is provided with several buckles (16), several described buckles (16) are distributed along fixed plate (4) arcuate directions, card Button (16) may be stuck between window frame of automobile and adhesive tape.

3. a kind of telescopic visor according to claim 1 or 2, it is characterised in that：Connection rod set described in several groups (0) In be both provided with fastener (18) on the sub-link (1) that is connected with fixed plate (4), be provided with limiting plate on the fixed plate (4) (42), the 4th spring (43) and limiting slot (41), are provided with helical teeth (412) on the slot bottom of the limiting slot (41), and the described 4th Spring (43) one end is connected with the slot bottom of limiting slot (41), and the other end is connected with limiting plate (42), limiting plate (42) and helical teeth (412) inconsistent, limiting plate (42) size is less than the size of limiting slot (41) notch, the slot bottom of limiting slot (41), two side and The end face of limiting plate (42) forms limited mouth (413), and the inclined-plane on helical teeth (412) is right against limited mouth (413), the fastener (18) it is adapted with helical teeth (412), the waterproof cloth (3) is removably connected in fixed plate (4), in fastener (18) with respect to helical teeth (412) simultaneously until during fastener (18) mutually blocks with helical teeth (412), the 4th spring (43) is deformed upon and is resetted for sliding, limit Position plate (42) is inconsistent with fastener (18) always.

4. a kind of telescopic visor according to claim 1 or 2, it is characterised in that：It is arranged on the fixed plate (4) Have the first rod aperture (48), enter cloth slot (49) and deformable gag lever post (40), it is described enter cloth slot (49) by solid where waterproof cloth (3) Fixed board (4) side extends to the first rod aperture (48), and cloth running-on (31), the first bar are provided on an edge of the waterproof cloth (3) Deformable gag lever post (40) is arranged in hole (48), the diameter of gag lever post (40) is more than the width into cloth slot (49), passes through limit Position bar (40) is sheathed in cloth running-on (31) so that waterproof cloth (3) is positioned in fixed plate (4), several described sub-links (1) On be both provided with connector (15), by the way that sliding block and sliding slot is respectively set on connector (15) and bone bar (2) and passes through sliding block Cooperation with sliding slot makes connector (15) and bone bar (2) slidable connection, when sub-link (1) rotates gathering or rotary expansion When, arcuate directions of the connector (15) relative to bone bar (2) along fixed plate (4) move.

5. a kind of telescopic visor according to claim 4, it is characterised in that：Several connectors (15) Height is sequentially reduced with far from fixed plate (4) so that is in a cambered surface after waterproof cloth (3) opening.

6. a kind of telescopic visor according to claims 1 or 2 or 5, it is characterised in that：The waterproof cloth (3) is adopted With transparent material.

7. a kind of telescopic visor according to claims 1 or 2 or 5, it is characterised in that：Sub-link (1) packet Stock (19) and quarter butt (10) are included, the stock (19) and quarter butt (10) link together in L fonts, adjacent sub-link (1) It is hinged and connected by stock (19) and quarter butt (10).

8. a kind of telescopic visor according to claim 7, it is characterised in that：It is arranged on the stock (19) limited Position wall (11) is provided with limit hole (14) on the quarter butt (10), and two neighboring sub-link (1) is hinged by axis, should The first spring (12) is arranged on axis, the both ends of first spring (12) tangentially extend, one end and stock (19) It is fixedly connected, the other end passes through limit hole (14) and bends out limiting section (13), spacing walls (11) edge towards stock (19) The length direction of stock (19) extends, and the two side of spacing walls (11) is in inclined-plane or cambered surface, is existed by switching limiting section (13) The gathering and expansion of the left side of spacing walls (11) or right side control sub-link (1), when sub-link (1) is collapsed, limiting section (13) it is located at the left side of spacing walls (11), the first spring (12) deformation；When force is so that sub-link (1) opens, limiting section (13) relative limit wall (11) slides, until limiting section (13) is moved to the right side of spacing walls (11), passes through the first spring (12) Reset promotes connected sub-link (1) to open up into maximum angle.

9. a kind of telescopic visor according to claim 8, it is characterised in that：Sub-link far from fixed plate (4) (1) it is fixedly connected with push rod (102), by pulling or pushing push rod (102) so that limiting section (13) is located at spacing walls (11) Left side or right side.

10. a kind of telescopic visor according to claim 7, it is characterised in that：It is provided in the connection rod set (0) Drawstring (5), is provided with cord hole (51) in fixed plate (4), and the first torsion is arranged on the axis of quarter butt (10) and stock (19) hinged place Spring, the torsional spring are connected with quarter butt (10) and stock (19) respectively, and the fixed plate (4) is internally provided with cavity, is set in cavity Be equipped with pulley (44), ratchet (45), unidirectional position-limit mechanism (46) and third spring (47), one end of the drawstring (5) with it is separate The sub-link (1) of fixed plate (4) is fixedly connected, and the other end of drawstring (5) successively passes through cord hole (51), bypasses pulley (44), twines It is wound on the axis of ratchet (45), the unidirectional position-limit mechanism (46) includes bottom plate (461), bumping post (462) and locating part (463), the bumping post (462) is stood on the end face of bottom plate (461), and the locating part (463) is hinged with bottom plate (461), and The hinged place is arranged with the second torsional spring, and the second torsional spring is connected with locating part (463) and bottom plate (461) respectively, locating part (463) with Bumping post (462) is inconsistent, and the both ends of the third spring (47) are connect with bottom plate (461) and fixed plate (4) inner wall respectively, described Locating part (463) and ratchet (45) are inconsistent, and bumping post (462) extends fixed plate (4), and the axis of ratchet (45) extends fixed plate (4) outside, when rotating ratchet (45), the ratchet of ratchet (45) pushes locating part (463) to rotate, the second torsional spring deformation, drawstring (5) It is wound on toward the axis of ratchet (45), sub-link (1) mutually collapses, torsional spring deformation, until no longer rotating ratchet (45), second turns round Spring resets, and locating part (463) is stopped by bumping post (462) and limits ratchet (45) and reverse；It is relatively fixed when pulling bumping post (462) When plate (4) is mobile, third spring (47) deformation, locating part (463) is separated with ratchet (45), and torsional spring resets, and sub-link (1) is equal Mutually open.