CN207208283U - A kind of seat cover of the big vehicle seat of non-close car body - Google Patents

Abstract

The utility model discloses a kind of seat cover of the big vehicle seat of non-close car body, including support, articulated mounting and seat cover, support are be divided into vehicle seat both sides two groups；The lower end of support is connected on car body or on the part of car body, seat cover by articulated mounting can front and rear upset or left and right be turningly connected to the upper end of support；The lower end of each support is respectively equipped with fixture, and the fixture is detachably connected on car body or on the part of car body；Or, the support is located at the homonymy framework at vehicle seat rear with car body and is made into integration.A kind of seat cover of big vehicle seat of non-close car body provided by the utility model; it can be conveniently mounted on the existing non-close car body similar to the big vehicle seat such as motorcycle, beach buggy and kart; adequately protect influence of the big vehicle seat from extraneous unfavorable factor, improves the comfortableness and service life of non-close car body vehicle seat.

Description

A kind of seat cover of the big vehicle seat of non-close car body

Technical field

A kind of vehicle accessory is the utility model is related to, particularly a kind of seat cover of the big vehicle seat of non-close car body.

Background technology

The land traffic such as bicycle, motor bicycle, motorcycle, tricycle, beach buggy and kart in the existing vehicles Instrument, or even the water transportation such as water surface motor boat, a possessed common feature are exactly that the driving space of driver is one Wide open space.Closed driving space possessed by car is different from, the driving space of this kind of driver is the friendship of wide open space The car body of logical instrument is also referred to as non-close car body.

The vehicles of non-enclosed car body are generally provided with the vehicle seat used for drivers, because traveling space is open Space, vehicle seat are exposed in outdoor environment for a long time, are thus easily influenceed by extraneous various unfavorable factors.It is in room for a long time In external environment, easily it is exposed to the sun by burning sun, accelerates the aging of vehicle seat, the vehicle seat for shining boiling hot makes driver feel not easypro deeply It is suitable；It is in for a long time in outdoor environment, is easily drenched by sleet, made troubles to drivers；It is in for a long time in outdoor environment, Easy dust stratification is infected with other dirts, have impact on the normal use of drivers.

As the vehicle seat of bicycle, motor bicycle etc. is the small vehicle seat of non-close car body, and the car such as motorcycle, kart, beach buggy Seat is the big vehicle seat of non-close car body.Prior art only considered to be protected to the cushion of the small vehicle seat such as bicycle, motor bicycle, and The protection to the big vehicle seat such as motorcycle, beach buggy and kart is not accounted for.

The content of the invention

The technical problems to be solved in the utility model is to provide one kind and conveniently installs and uses, protects vehicle seat from extraneous unfavorable The seat cover for the big vehicle seat of non-close car body that factor influences.

In order to solve the above technical problems, non-close car body seat cover of the present utility model uses following technical scheme：It is a kind of The seat cover of the big vehicle seat of non-close car body, it is characterised in that：Including support, articulated mounting and seat cover, support is to be divided into Two groups of vehicle seat both sides；The lower end of support is connected on car body or on the part of car body, and seat cover can be front and rear by articulated mounting Upset or left and right are turningly connected to the upper end of support；

The lower end of each support is respectively equipped with fixture, and the fixture is detachably connected on car body or car body Part on；Or,

The homonymy framework that the support is located at vehicle seat rear with car body is made into integration.

Preferably, being additionally provided with the articulated mounting can drive unlocked seat cover to automatically revert to answering for original state Hyte part；

Or/and the flap locking that seat cover can be locked in original state or transport condition is additionally provided with the articulated mounting Component.

Or/and it is additionally provided with to pin articulated mounting on the articulated mounting and prevents it from the lock assembly that overturns.

It is highly preferred that each fixture removably corresponds to the afterbody for the rod member for being sheathed on car body homonymy or is set in On the framework of the homonymy positioned at vehicle seat rear of car body, fixture includes being sheathed on clip on rod member or framework and adaptation Fastening bolt.

Further, each fixture is connected on the car body body of below-seat homonymy.

Further, described seat cover or so is divided into a left side and is divided to flap, the right side to be divided to two pieces of flap, the fixture, support, hinge Tipping is set to two groups of the both sides for the car body for being divided into below-seat, and left and right point of flap respectively can by the articulated mounting of homonymy The upper end of the support of homonymy separately, is closely connected to repeatedly.

It is highly preferred that the articulated mounting includes the support shaft that a level is fixed on two cantilever tips, support shaft Both ends are socketed the first sleeve that can be rotated around the axis of support shaft, second sleeve respectively, and the seat cover can be with the first sleeve, the It is connected on two sleeves two sleeve synchronous axial systems.

The reset assembly includes back-moving spring, and the fixed support shaft adaptation back-moving spring that is fastened in the inner of back-moving spring is set In the locating groove put, outer end is arranged in the spacing hole clipping of the first sleeve outer face, and the spacing hole clipping deviates the first sleeve Axis set, under original state, back-moving spring is in the raw.

The structure of the flap locked component is as follows：The side that the support shaft is provided with the first sleeve extends outward connection The shaft-cup that section is more than connection shaft section is extended in axle, the outer end of connecting shaft, and the back-moving spring is rotatably sleeved on connection On axle, the first sleeve is rotatably set in outside back-moving spring, and between support shaft and shaft-cup, the limiting card hole position is in The edge of one sleeve outer face, shaft-cup are adapted to spacing hole clipping and are provided with initial position fixed via, riding position fixed via, reset The outer end insertion initial position fixed via of the protruding spacing hole clipping in outer end of spring or riding position fixed via, locking are pressed The outer end of back-moving spring can be compressed to by button by the first spring to be set in through-holes with departing from through hole.

Lock assembly is provided with the second sleeve, the lock assembly includes locking latch, triangle plectrum and car Cover lock；The inner of second sleeve is provided with sleeve wall, and the position that second sleeve axis is deviateed in sleeve wall is provided with locking pin hole, propped up Support axle neighbour's sleeve wall end corresponds to the locking pin hole and is provided with lock groove, and second spring is set on locking latch, and the second bullet One end of spring is fixed on sleeve wall, and the other end, which can drive locking latch to be repeatedly inserted into, exit locking trough is connected to locking latch On, the inner of locking latch passes through locking pin hole；The outer end of the locking latch is conformed with, and the bottom of triangle plectrum connects It is connected on lock core, a hypotenuse bottom of triangle plectrum is obliquely outward set；

Under lock-out state, the top of hypotenuse is fastened on the inner of projection, and during unlocking, the triangle plectrum is relatively prominent Rise and gradually rise, drive locking latch to exit lock groove.

The seat cover be divided into it is be hinged before divide flap, after divide flap, divide flap to fold back to fitting before described Divide the upper surface of flap；

Or the seat cover by it is front and rear be hinged successively, deploy to cover divide before whole vehicle seat flap, in divide flap, after Point flap composition, divide before described during traveling flap, in divide flap after divide flap to be folded into triangle.

The seat cover of a kind of big vehicle seat of non-close car body provided by the utility model, in that context it may be convenient to be installed on existing class Be similar on the non-close car body of the big vehicle seat such as motorcycle, beach buggy and kart, adequately protect big vehicle seat from it is extraneous it is unfavorable because The influence of element, improve the comfortableness and service life of non-close car body vehicle seat.

Brief description of the drawings

The utility model is explained in further detail with reference to the accompanying drawings and detailed description.

Fig. 1 is the seat cover initial position schematic diagram of embodiment 1

Fig. 2 is the seat cover riding position schematic diagram of embodiment 1

Fig. 3 is the seat cover initial position schematic top plan view of embodiment 1

Fig. 4 be the seat cover of embodiment 1 straight up when articulated mounting structural representation one

Fig. 5 be the seat cover of embodiment 1 straight up when articulated mounting structural representation two

Fig. 6 is the sectional view at A-A in Fig. 4

Fig. 7 is initial position fixed via in embodiment 1, riding position fixed via position view

Fig. 8 is the seat cover initial position schematic diagram of embodiment 2

Fig. 9 is the seat cover riding position schematic diagram of embodiment 2

Figure 10 is the seat cover initial position schematic diagram of embodiment 3

Figure 11 is the seat cover initial position schematic diagram of embodiment 4

Figure 12 is the seat cover riding position schematic diagram of embodiment 4

Figure 13 is the seat cover initial position schematic top plan view of embodiment 4

Figure 14 is the seat cover initial position schematic diagram of embodiment 5

Figure 15 is the seat cover initial position schematic diagram of embodiment 6

Figure 16 is the seat cover riding position schematic diagram of embodiment 6

Embodiment

In order to more clearly illustrate the utility model, the utility model is carried out with specific embodiment below in conjunction with the accompanying drawings Specific description.In embodiment, it is initial position to define the position that is covered on vehicle seat 5 of seat cover 4, seat cover under riding condition Location is riding position.The car with big vehicle seat such as motorcycle, beach buggy and kart is replaced with motorcycle.

Embodiment 1

As shown in Figure 1, Figure 2 and Figure 3, a kind of seat cover of the big vehicle seat of non-close car body, including fixture 1, support 2, hinge Connection device 3 and seat cover 4.The fixture 1, support 2 are be divided into the both sides of vehicle seat 5 two groups, and each fixture 1 is removably The fixture 1 of (mode such as welding) homonymy is fixed in the afterbody of the corresponding rod member 6 for being sheathed on the homonymy of car body 8, the lower end of support 2 On, seat cover 4 front and rear can turningly be connected to the upper end of two supports 2 by articulated mounting 3.Fixture 1 include clip 11 with And the fastening bolt 12 of adaptation, the elastic of fastening bolt 12 is adjusted, adjusts the size of the internal diameter of clip 11, clip 11 is mountable to more On the rod member 6 of kind size.

In embodiment, the seat cover 4 by it is front and rear successively be hinged before divide flap 43, after divide flap 45 to form, when parking Before divide flap 43, after divide flap 45 all expansion can cover whole vehicle seat 5, meet the requirements of protection vehicle seat completely；During traveling Before divide flap 43, after divide flap 45 to fold backward, do not influence normally to travel, while can be used as drivers' backrest again.

As also shown in e.g. figs. 4-7, the articulated mounting 3 includes the support shaft 31 that a level is fixed on two tops of support 2, The both ends of support shaft 31 are socketed the first sleeve 33 that can be rotated around the axis of support shaft 31, second sleeve 35, the vehicle seat respectively Lid 4 can be with the first sleeve 33, be connected on two sleeves the synchronous axial system of second sleeve 35.

Be additionally provided with reset assembly in first sleeve 33, the reset assembly includes back-moving spring 32, back-moving spring 32 it is interior In the fixed locating groove 319 for being fastened on the adaptation of support shaft 31 and setting in end, the outer end 321 of back-moving spring 32 is arranged in the first sleeve In the spacing hole clipping of 33 outer faces, the axis that the spacing hole clipping deviates the first sleeve 33 is set, under original state, back-moving spring 32 in the raw, lifts seat cover 4 and leaves original state, and the twisting force of back-moving spring 32 is on the first sleeve 33, band Motor-car flap 4 automatically restores to original state in the case of no locking and covers vehicle seat.

Flap locked component is additionally provided with the articulated mounting 3, seat cover 4 can be fixed on to two positions：Will when parking Seat cover 4 is fixed on initial position, prevents the extraneous factors such as wind from raising seat cover 4 and losing the effect of protection vehicle seat； Seat cover is fixed on riding position during traveling, prevents the factors such as the wind-force in traveling and inertia from rocking seat cover and have impact on row Sail.

In embodiment, the flap locked component structure is as follows：Support shaft 31 is provided with an epitaxial lateral overgrowth of the first sleeve 33 Connecting shaft 311 is stretched out, the shaft-cup 312 that section is more than the section of connecting shaft 311, the reset bullet are extended in the outer end of connecting shaft 311 Spring 32 is rotatably sleeved in connecting shaft 311, and the first sleeve 33 is rotatably set in outside back-moving spring 32, positioned at support shaft Between 31 and shaft-cup 312, the limiting card hole position is adapted to spacing hole clipping and opened in the edge of the outer face of the first sleeve 33, shaft-cup 312 There are initial position fixed via 3121, riding position fixed via 3122, the initial position fixed via 3121, riding position The particular location of fixed via 3122 is rationally set as needed.In embodiment, initial position fixed via 3121 is with shaft-cup 312 The position that is turned clockwise for the center of circle at 90 of center be riding position fixed via 3122.The outer end 321 of back-moving spring 32 The outer end insertion initial position fixed via 3121 or riding position fixed via 3122 of protruding spacing hole clipping, two lockings Corresponding to button 34 is separately positioned on while the outer end 321 of back-moving spring 32 can be compressed to disengaging through hole by the first spring 341 In through hole.Through hole is preferably the small stepped hole of outer imperial palace, and each locking press button 34 is made up of two small cylinders of outer imperial palace, and first One end of spring 341 is connected on the inwall of stepped hole, and the other end is connected to the inner face of big cylinder.

Under original state, the outer end 321 of back-moving spring 32 is inserted in initial position fixed via 3121, presses locking press button 34, the outer end 321 of back-moving spring 32 is ejected into initial position fixed via 3121, seat cover 4 front and rear can be overturn, and work as seat cover 4 are flipped up 90 degree when being located at vertical state (when overturning to riding condition), and insertion is ridden just for the outer end 321 of back-moving spring 32 Line position puts fixed via 3122, and seat cover 4 is locked in into vertical position.Similarly, press in riding position fixed via 3122 Locking press button 34, the outer end 321 of back-moving spring 32 is ejected into riding position fixed via 3122, in the torsion of back-moving spring 32 Under effect, back-moving spring 32 drives the first sleeve 33 to be returned to original state, and initial position is inserted in the outer end 321 of back-moving spring 32 It is fixed in fixed via 3121.

In embodiment, lock assembly is additionally provided with second sleeve 35, can pin articulated mounting 3 can not overturn, and only use The key of adaptation could be opened, and prevent other people from raising seat cover 4 and riding away when parking.The lock assembly include locking latch 37, Triangle plectrum 38 and car bonnet lock 39；The inner of second sleeve 35 is provided with sleeve wall 351, deviates second set in sleeve wall 351 The position of 35 axis of cylinder is provided with locking pin hole, and the adjacent sleeve wall end of support shaft 31 corresponds to the locking pin hole and is provided with lock groove 318, the inner of locking latch 37 can be repeatedly inserted into through locking pin hole, exit lock groove 318, and second spring 372 is set in Outside locking latch 37, one end of second spring 372 is fixed in sleeve wall 351, and the other end can drive locking latch 37 to insert repeatedly Enter, exit the ground of lock groove 318 and be connected on locking latch 37, the outer end of locking latch 37 is conformed with 371, triangle plectrum 38 Bottom be connected on lock core 391, a bottom of hypotenuse 381 of triangle plectrum 38 is obliquely outward set, under lock-out state, The top of hypotenuse 381 is fastened on the inner of projection 371, and under unlocking condition, triangle plectrum 38 gradually rises, the hypotenuse 381 The inner of projection 371 is blocked, drives locking latch 37 to exit lock groove.

Car bonnet lock 39 preferably uses the form of spring lock, when car bonnet lock 39 is opened in the insertion of key 7, the lock core of car bonnet lock 39 391 rotation forces triangle plectrums 38 rise, and drive locking latch 37 to move backward away from lock hole, extract key 7, triangle Plectrum 38 declines, and locking latch 37 inserts lock groove 318 in the presence of second spring 372, so as to locking seat cover 4.

The outer end 321 of back-moving spring 32 is ejected through hole, seat cover 4 by pressing button 34 while opening car bonnet lock 39 With upset.

The top of seat cover 4 sets the protruding ridge 46 of banding, prevents other people to be directly sitting on seat cover 4 and damages seat cover.

Embodiment 2

As shown in Figure 8 and Figure 9, embodiment 2 is substantially the same manner as Example 1, differs only in the present embodiment, each described Fixture 1 is removably corresponded to and is sheathed on the framework 7 for the homonymy that car body 8 is located at the rear of vehicle seat 5, and the lower end of support 2 is fixed on On the fixture 1 of the homonymy such as (welding mode), seat cover 4 front and rear can turningly be connected to two supports 2 by articulated mounting 3 Upper end.

Embodiment 3

As shown in Figure 10, a kind of seat cover of the big vehicle seat of non-close car body, including fixture 1, support 2, the and of articulated mounting 3 Seat cover 4.Each fixture 1 is connected to below the afterbody of vehicle seat 5 on the body of car body 8 of homonymy, and the lower end of support 2 is fixed on On the fixture 1 of the homonymy such as (welding mode), seat cover 4 front and rear can turningly be connected to two supports 2 by articulated mounting 3 Upper end.The fixture 1 is the sheet metal being threaded on the body of car body 8.

Preferably, the seat cover of the big vehicle seat of non-close car body also includes an auxiliary stand 21, auxiliary stand 21 Upper end is connected in support shaft 31, and the rear portion of car body 8 is fixed in lower end, makes the overall structure of seat cover more firm.It is described multiple Hyte part, flap locked component, lock assembly are in the same manner as in Example 1.

Embodiment 4

As shown in Figure 11, Figure 12 and Figure 13, a kind of seat cover of the big vehicle seat of non-close car body, including fixture 1, support 2, Articulated mounting 3 and seat cover 4.The seat cover 4 or so is divided into a left side and is divided to flap 41, the right side to be divided to 42 two pieces of flap, and left and right point of flap is borrowed Help articulated mounting 3 and can separate repeatedly, be closely connected to homonymy support 2 upper end.It is when parking that two pieces points of left and right flap is past Intermediate closed, protect vehicle seat from the interference of extraneous unfavorable factor；Two pieces of points of flaps are opened and are fixed on during transport condition or so The both sides of motorcycle, facilitate drivers to travel.Described per side is divided to the bottom of flap by two groups of fixtures 1, support 2, be hinged Device 3 is connected on the car body 8 of the lower section homonymy of vehicle seat 5, and the fixture 1 is the sheet metal being threaded on the body of car body 8, The lower end of support 2 is fixed on the fixture 1 of the homonymy such as (welding mode), seat cover 4 by articulated mounting 3 can left and right turningly It is connected to the upper end of two supports 2.The reset assembly, flap locked component, lock assembly are in the same manner as in Example 1.

Embodiment 5

As shown in figure 14, embodiment 5 is substantially the same manner as Example 2, differs only in the present embodiment, the He of support 2 Framework 7 is integrally formed, and volume is more compact, and vehicle seat 5 is just configured with seat cover when producing and selling, without the follow-up volume again of drivers Additional entrucking flap.

Embodiment 6

As shown in Figure 15 and Figure 16, embodiment 6 is substantially the same manner as Example 2, differs only in the present embodiment, the car Flap 4 by it is front and rear successively be hinged before divide flap 43, in divide flap 44, after divide flap 45 to form, when parking before divide flap 43, in Point flap 44, after divide flap 45 all expansion can cover whole vehicle seat 5, meet the requirements of protection vehicle seat completely；Before during traveling Point flap 43, in divide flap 44, after divide flap 45 to be folded into smaller volume backward, be folded into triangle, do not influence normal Traveling, while can be used again as drivers' backrest.

The seat cover 4 can use multiple material to make, and can such as use injection molding, can also use metal Plate punch forming；Can also be compound using multiple material, most external is plastics or metal seat cover, and the inside against vehicle seat is Soft plastics surface layer, the sense of touch of soft comfortable is provided for drivers when seat cover 4 is fixed as backrest vertically.

Reset assembly, flap locked component, lock assembly can not also be set in the articulated mounting 3 according to actual conditions, Or the combination provided with reset assembly, flap locked component, any one part of lock assembly or two parts.

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements done etc., it should be included in the scope of the protection.

Claims (10)

1. A kind of 1. seat cover of the big vehicle seat of non-close car body, it is characterised in that：Including support (2), articulated mounting (3) and vehicle seat Cover (4), support (2) is be divided into vehicle seat (5) both sides two groups；The lower end of support (2) is connected on car body (8) or car body (8) Part on, seat cover (4) by articulated mounting (3) can front and rear upset or left and right be turningly connected to the upper ends of support (2)；

   The lower end of each support (2) is respectively equipped with fixture (1), and the fixture (1) is detachably connected to car body (8) On the upper or part of car body (8)；Or,

   The homonymy framework (7) that the support (2) is located at vehicle seat (5) rear with car body (8) is made into integration.
2. 2. the seat cover of the big vehicle seat of non-close car body as claimed in claim 1, it is characterised in that：On the articulated mounting (3) It is additionally provided with the reset assembly that unlocked seat cover (4) can be driven to automatically revert to original state；

   Or/and the flap lock that seat cover (4) can be locked in original state or transport condition is additionally provided with the articulated mounting (3) Determine component；

   Or/and it is additionally provided with to pin articulated mounting (3) on the articulated mounting (3) and prevents it from the lock assembly that overturns.
3. 3. the seat cover of the big vehicle seat of non-close car body as claimed in claim 2, it is characterised in that：Each fixture (1) Removably correspond to the afterbody for the rod member (6) for being sheathed on car body (8) homonymy or be set in car body (8) be located at vehicle seat (5) rear Homonymy framework (7) on, fixture (1) includes being sheathed on the tight of clip (11) on rod member (6) or framework (7) and adaptation Fixing bolt (12).
4. 4. the seat cover of the big vehicle seat of non-close car body as claimed in claim 2, it is characterised in that：Each fixture (1) It is connected to below vehicle seat (5) on car body (8) body of homonymy.
5. 5. the seat cover of the big vehicle seat of non-close car body as claimed in claim 4, it is characterised in that：Seat cover (4) left and right Being divided into a left side is divided to flap (41), the right side to be divided to (42) two pieces of flap, and the fixture (1), support (2), articulated mounting (3) are to be divided into car Two groups of the both sides of car body (8) below seat (5), left and right point of flap can divide repeatedly by the articulated mounting (3) of homonymy respectively Open and close is connected to the upper end of the support (2) of homonymy with closing.
6. 6. the seat cover of the big vehicle seat of non-close car body as described in any one of claim 2~5, it is characterised in that：It is described be hinged Device (3) includes the support shaft (31) that a level is fixed on two support (2) tops, and the both ends of support shaft (31) are socketed respectively Can around support shaft (31) axis rotate the first sleeve (33), second sleeve (35), the seat cover (4) can be with the first sleeve (33), it is connected on two sleeves second sleeve (35) synchronous axial system.
7. 7. the seat cover of the big vehicle seat of non-close car body as claimed in claim 6, it is characterised in that：The reset assembly includes multiple Position spring (32), the fixed locator card for being fastened on support shaft (31) adaptation back-moving spring (32) and setting in the inner of back-moving spring (32) In groove (319), outer end (321) are arranged in the spacing hole clipping of the first sleeve (33) outer face, and the spacing hole clipping deviates first The axis of sleeve (33) is set, and under original state, back-moving spring (32) is in the raw.
8. 8. the seat cover of the big vehicle seat of non-close car body as claimed in claim 7, it is characterised in that：The flap locked component Structure is as follows：

   The side that the support shaft (31) is provided with the first sleeve (33) extends outward connecting shaft (311), connecting shaft (311) it is outer The shaft-cup (312) that section is more than connecting shaft (311) section is extended at end, and the back-moving spring (32) is rotatably sleeved on connection On axle (311), the first sleeve (33) is rotatably set in back-moving spring (32) outside, positioned at support shaft (31) and shaft-cup (312) Between, the limiting card hole position is adapted to spacing hole clipping and is provided with initial bit in the edge of the first sleeve (33) outer face, shaft-cup (312) Fixed via (3121), riding position fixed via (3122) are put, the outer end (321) of back-moving spring (32) is protruding spacing The outer end insertion initial position fixed via (3121) or riding position fixed via (3122) of hole clipping, locking press button (34) by The outer end (321) of back-moving spring (32) can be compressed to by the first spring (341) to be set in through-holes with departing from through hole.
9. 9. the seat cover of the big vehicle seat of non-close car body as claimed in claim 8, it is characterised in that：In the second sleeve (35) Provided with lock assembly, the lock assembly includes locking latch (37), triangle plectrum (38) and car bonnet lock (39)；Second set The inner of cylinder (35) is provided with sleeve wall (351), and the position that second sleeve (35) axis is deviateed in sleeve wall (351) is inserted provided with locking Pin-and-hole, the adjacent sleeve wall end of support shaft (31) correspond to the locking pin hole and are provided with lock groove (318), and second spring (372) is arranged On locking latch (37), and one end of second spring (372) is fixed on sleeve wall (351), and the other end can drive locking latch (37) it is repeatedly inserted into, is connected on locking latch (37) with exiting lock groove (318), the inner of locking latch (37) passes through locking Pin hole；The outer end of the locking latch (37) is conformed with (371), and the bottom of triangle plectrum (38) is connected to lock core (391) on, hypotenuse (381) bottom of triangle plectrum (38) is obliquely outward set；

   Under lock-out state, the top of hypotenuse (381) is fastened on the inner of projection (371), during unlocking, the triangle plectrum (38) relative projection (371) gradually rises, and drives locking latch (37) to exit lock groove.
10. 10. the seat cover of the big vehicle seat of non-close car body as described in any one of Claims 1 to 4, it is characterised in that：The vehicle seat Lid (4) be divided into it is be hinged before divide flap (43), after divide flap (45), after dividing flap (43) to fold back to fitting before described point The upper surface of flap (45)；

    Or the seat cover (4) by it is front and rear be hinged successively, deploy to cover divide before whole vehicle seat (5) flap (43), in point Flap (44), after divide flap (45) to form, divide before described during traveling flap (43), in divide flap (44), after divide flap (45) to roll over Build up triangle.