The backrest unlocking mechanism of automobile convenient seating system
Technical field
The invention belongs to automotive seat component technology fields, and in particular to a kind of backrest of automobile convenient seating system
Unlocking mechanism.
Background technology
Automotive seat convenient seating system (easy-entry) be for two rows of seat two door vehicles or three rows seat four automobiles or
Commercial vehicle specially design it is a set of convenient for passenger by system, make two rows of seat two door vehicles front-row seats and three rows seat four
The middle row seat chair tool of door automobile and commercial vehicle has front and back position adjusting and backrest angle regulatory function, substantially increases automobile use
Convenience.
Convenient seating system requires only unlock backrest angle regulatory function, without unlocking automotive seat front and back position tune
Function is saved, and requirement can unlock automotive seat front and back position regulatory function by swiveling seat backrest.For this purpose, existing convenient
The backrest rotation unlocking mechanism structure for entering base system is extremely complex, especially by the connection of the link assembly of unlocking mechanism and recliner
Flowing mode is designed extremely complex, do not only result in be difficult to assemble, reliability it is bad, and production cost is high, solve with
Upper problem becomes the task of top priority.
Invention content
In order to solve the above technical problems, the present invention provides a kind of backrest unlocking mechanism of automobile convenient seating system,
It is simple and reliable, it is easily assembled, it is of low cost.
To achieve the above object, technical solution of the present invention is as follows:
A kind of backrest unlocking mechanism of automobile convenient seating system, including substrate and the manipulation that is disposed on the substrate
Component and locked component, are characterized by:The locked component includes recliner unlock end and limit plectrum, the manipulation group
Part includes the execution connection rod set for driving limit plectrum rotation and the recliner unlocking link for driving execution connection rod set, is somebody's turn to do
There is functional hole on recliner unlocking link, in the axle portion insertion functional hole of recliner unlock end, and with function hole axle
Hole coordinates, and there is at least one interference point, the interference point to be less than at a distance from function central point of hole on the hole wall of the functional hole
The maximum radius of axle portion;When recliner unlocking link turns to unlocked position from latched position, recliner unlocks end and limit
Position plectrum can turn to unlocked position from latched position;When recliner unlock end turns to unlocked position from latched position
When, recliner unlocking link and limit plectrum are in latched position.
Using the above structure, the axle portion shaft hole matching of the functional hole of recliner unlocking link and recliner unlock end, when
When recliner unlocking link turns to unlocked position from latched position, recliner unlock end can under the action of interference point from
Latched position turns to unlocked position, meanwhile, recliner unlocking link will limit plectrum from latched position by executing connection rod set
Unlocked position is turned to, and when recliner unlock end turns to unlocked position from latched position, recliner can't be driven
Unlocking link rotates, thus limit plectrum will not rotate.Simple and ingenious structure is easily assembled, reliable and stable, amount of parts
It is few, it is of low cost, there is high economy and market value.
As preferred:The functional hole includes two arc sections being oppositely arranged two-by-two and two convex sections, the protrusion
The maximum diameter of hole of section is less than the aperture of arc section, and at least one interference point is all had on each convex section;The axle portion packet
Two segmental arcs being oppositely arranged two-by-two and two interior segments are included, the length of the segmental arc is less than the length of arc section, described
The maximum diameter of hole of interior segment is less than the aperture of segmental arc.Using the above structure, since the length of segmental arc is less than the length of arc section
Degree enables the axle portion of recliner unlock end to rotate certain angle idle running in the functional hole of recliner unlocking link, i.e.,
Recliner unlocks end rotation without driving the rotation of recliner unlocking link, and due to the presence of convex section, makes recliner solution
When lock connecting rod turns to unlocked position from latched position, recliner unlock end can be driven also to turn to unlock from latched position
Position.
As preferred:The curvature of the segmental arc is equal to the curvature of arc section.Using the above structure, make recliner solution lock end
The inner wall compactness of the peripheral surface and recliner unlocking link functional hole of head axle portion is more preferable, has both made the cooperation more stabilization of the two can
It leans on, and abnormal sound can be prevented.
As preferred:The interior segment is planar structure, and the convex section is the " V " shape planar junction being adapted with interior segment
Structure.Using the above structure, the functional hole of recliner unlocking link is in butterfly butterfly structure, has both made the outer of recliner unlock end axle portion
The inner wall of circumferential surface and recliner unlocking link functional hole is all more readily processed molding, further improves the reliable of the two cooperation
Property.
As preferred:The execution connection rod set includes executing connecting rod and intermediate connecting rod II, and the middle part for executing connecting rod can
It is rotatably mounted on substrate, one end of the execution connecting rod is for driving limit plectrum rotation, the other end and intermediate connecting rod II
One end is hinged, and the other end of the intermediate connecting rod II is hinged with one end of recliner unlocking link.Using the above structure, by holding
Row connection rod set can more fully utilize limited space, and the rotation of recliner unlocking link is passed to limit plectrum, is made
Limit plectrum turns to unlocked position from latched position, and overall structure is compacter, and reliable and stable, is easily assembled.
As preferred:The steering assembly further includes unlock rocking bar and intermediate connecting rod I, one end of the intermediate connecting rod I with
The one end of recliner unlocking link far from intermediate connecting rod II is hinged, and one end of the other end and unlock rocking bar is hinged, and the unlock is shaken
It is installed in rotation on substrate in the middle part of bar.Using the above structure, recliner unlock can be made to connect by stirring unlock rocking bar
Bar turns to unlocked position from latched position, takes full advantage of limited space, and overall structure is compacter, and reliable and stable,
It is easily assembled.
As preferred:Unlock rocking bar, intermediate connecting rod I, recliner unlocking link and the intermediate connecting rod II are located at substrate
A wherein side surface, the support limit plectrum and execution connecting rod are located at another side surface of substrate.Using the above structure, Neng Gou great
Width reduces overall volume, keeps overall structure compacter, can be installed in narrow space.
As preferred:There is guide and limit hole, the intermediate connecting rod II and execution connecting rod to be cut with scissors by axis pin on the substrate
It connects, which passes through guide and limit hole.Using the above structure, the limit to entire steering assembly and locked component is realized, letter
It is single reliable, it is easy to process.
As preferred:The limit plectrum is installed in rotation on substrate, and is elastically supported at and is executed on connecting rod.It adopts
With the above structure, limit plectrum has close to the trend for executing connecting rod, that is, limiting plectrum has the trend for turning to unlocked position, makes
The releasing process of limit plectrum is not susceptible to clamping stagnation.
As preferred:The substrate is rotatablely connected by recliner and rotor plate, and recliner unlock end passes through base
It is connect with recliner after plate, for locking or unlocking recliner.Using the above structure, simple in structure, it is reliable and stable.
Compared with prior art, the beneficial effects of the invention are as follows:
Using the backrest unlocking mechanism of automobile convenient seating system provided by the invention, structure novel is simple and reliable,
It is easily assembled, amount of parts is few, of low cost, meets the functional requirement of convenient seating system requirement, has high economy
And market value.
Description of the drawings
Fig. 1 is the structural schematic diagram of lock-out state of the present invention;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the structural schematic diagram of unlocked state of the present invention;
Fig. 4 is the rearview of Fig. 3;
Fig. 5 is the structural schematic diagram of recliner unlocking link;
Fig. 6 is the structural schematic diagram that recliner unlocks end;
Fig. 7 is the matching relationship signal that recliner unlocking link and recliner unlock end when recliner unlocking link rotates
Figure;
Fig. 8 is the matching relationship schematic diagram that recliner unlocking link and recliner unlock end when recliner unlocks end.
Specific implementation mode
The invention will be further described with attached drawing with reference to embodiments.
Refer to Fig. 1~Fig. 4, a kind of backrest unlocking mechanism of automobile convenient seating system, including rotor plate 2, base
Plate 14 and it is respectively provided with steering assembly on the substrate 14 and locked component, the rotor plate 2 and substrate 14 pass through 1 turn of recliner
Dynamic connection, when locking recliner 1, rotor plate 2 and substrate 14 are relatively unrotatable, and relative position is locked, when unlock angle modulation
When device 1, rotor plate 2 and substrate 14 can relatively rotate.
Fig. 1~Fig. 4 is referred to, the locked component includes recliner unlock end 11 and limit plectrum 12.Wherein, described
Recliner unlocks end 11 and is connect with recliner 1 by welding, and unlocks end 11 by rotating recliner, can lock and unlock
Recliner 1, also, recliner unlock end 11 has the trend (1 inside of recliner carries resetting spring) of elastic reset, i.e.,
Recliner unlock end 11 has the trend that elasticity returns back to latched position.The limit plectrum 12 is rotationally pacified by torsional spring
On the substrate 14, when limit plectrum 12 is located at latched position, the rotation of the limit meeting interference rotation of plectrum 12 plate 2 makes seat to dress
Backrest can rotate certain angle, and can not be laid flat, and when limit plectrum 12 turns to unlocked position, limit plectrum 12 is stepped down
Rotor plate 2 enables the angle of 2 opposing substrate 14 of rotor plate rotation bigger, to enable backrest to be laid flat.
It should be pointed out that recliner unlock end 11, recliner unlocking link 13 and the unlocked position for limiting plectrum 12
Refer to rotor plate 2 can opposing substrate 14 when being freely rotated and (backrest can be made to be laid flat), the position being respectively presently in,
And latched position is when referring to that rotor plate 2 is unable to opposing substrate 14 and is freely rotated, the position being respectively presently in.
Fig. 6 is referred to, the axle portion 111 that recliner unlocks end 11 includes two segmental arc 111a and two interior segments
111b, two segmental arc 111a and two interior segment 111b are oppositely arranged two-by-two.Also, the maximum diameter of hole of the interior segment 111b
Less than the aperture of segmental arc 111a.Further, interior segment 111b is planar structure, in order to the design of steering assembly.
Fig. 1~Fig. 4 is referred to, the steering assembly includes execution connection rod set, the use for driving limit plectrum 12 to rotate
The recliner unlocking link 13 of connection rod set is executed in drive and the drive link group for driving recliner unlocking link 13.
Fig. 1, Fig. 3, Fig. 5, Fig. 7 and Fig. 8 are referred to, there is functional hole 131, the function on the recliner unlocking link 13
Hole 131 is located at the middle part of recliner unlocking link 13, and the axle portion 111 of recliner unlock end 11 is embedded in functional hole 131,
There is at least one interference point, the interference point to be less than axis at a distance from 131 central point of functional hole on the hole wall of the functional hole 131
The maximum radius in portion 111.
When recliner unlocking link 13 turns to unlocked position from latched position, recliner unlocks end 11 and limit is dialled
Piece 12 can turn to unlocked position from latched position, and backrest can rotate within the scope of larger angle, until by seat
Chair back is laid flat;When recliner unlock end 11 turns to unlocked position from latched position, recliner unlocking link 13 and limit
Position plectrum 12 is in latched position, and backrest is only capable of rotating certain angle, and when turning to restriction maximum angle, energy
Seat slide is enough unlocked by the cooperation of other mechanisms, automotive seat is enable to be moved forward and backward.
Specifically, the functional hole 131 includes two arc section 131a being oppositely arranged two-by-two and two convex sections
The maximum diameter of hole of 131b, the convex section 131b are less than the aperture of arc section 131a, have at least one on each convex section 131b
A interference point, also, the length of the segmental arc 111a is less than the length of arc section 131a, due to the length of segmental arc 111a
Length of the degree less than arc section 131a enables the axle portion 111 of recliner unlock end 11 in the work(of recliner unlocking link 13
Certain angle idle running can be rotated in hole 131, i.e., the rotation of recliner unlock end 11 is without driving recliner unlocking link 13
Rotation.Fig. 8 is referred to, when recliner unlock end 11 is clockwise to unlocked position from latched position, can't be driven
Recliner unlocking link 13 rotates.Fig. 7 is referred to, and due to the presence of convex section 131b, makes recliner unlocking link 13 from lock
Positioning is set when being clockwise to unlocked position, and recliner unlock end 11 can be driven also to be clockwise to from latched position
Unlocked position.
Further, to make recliner unlock peripheral surface and 13 functional hole of recliner unlocking link of 11 axle portion 11 of end
131 inner wall compactness is more preferable, had not only made the cooperation of the two more reliable and more stable, but also can prevent abnormal sound, and had made following design:Arc
The curvature of section 111a is equal to the curvature of arc section 131a, and the convex section 131b is that the " V " shape being adapted with interior segment 111b is put down
Face structure, it is in butterfly butterfly structure to make the functional hole 131 of recliner unlocking link 13, makes two that entire convex section 131b is V-shaped
A plane is the interference surface being adapted with interior segment 111b, when axle portion 11 is abutted with functional hole 131, in two of axle portion 11
Segment 111b is respectively contacted with a face convex section 131b, good reliability, and abrasion is small, and service life is long.
Fig. 1 and Fig. 3 are referred to, the drive link group includes unlock rocking bar 17 and intermediate connecting rod I 18, the intermediate connecting rod
I 18 one end is hinged with the one end of recliner unlocking link 13 far from intermediate connecting rod II 15, the other end and the one of unlock rocking bar 17
End is hinged, and the middle part of the unlock rocking bar 17 is installed in rotation on substrate 14.
Fig. 1~Fig. 4 is referred to, the execution connection rod set includes executing connecting rod 16 and intermediate connecting rod II 15, the company of execution
The middle part of bar 16 is installed in rotation on substrate 14, and one end of the execution connecting rod 16 is for driving limit plectrum 12 to rotate, separately
One end and one end of intermediate connecting rod II 15 are hinged, one end of the other end and recliner unlocking link 13 of the intermediate connecting rod II 15
It is hinged.
Fig. 1 and Fig. 3 are referred to, unlock rocking bar 17 is lifted up and (rotates counterclockwise), unlock rocking bar 17 pulls downward on centre
Connecting rod I 18, intermediate connecting rod I 18 drive recliner unlocking link 13 to rotate clockwise, and unlock recliner 2, make seat back angle
It is adjustable, meanwhile, recliner unlocking link 13 pulls up intermediate connecting rod II 15, refers to Fig. 2 and Fig. 4, at this point, intermediate connecting rod II
15 drive execution connecting rod 16 to rotate counterclockwise, and the final plectrum 12 that limits rotates counterclockwise under the action of torsional spring, limits plectrum 12
It steps down to rotor plate 2, backrest is enable to rotate the range of bigger, until backrest is laid flat.
Refer to Fig. 1~Fig. 4, the unlock rocking bar 17, intermediate connecting rod I 18, recliner unlocking link 13 and intermediate connecting rod
II 15 are located at a wherein side surface for substrate 14, and the support limit plectrum 12 and execution connecting rod 16 are located at the other side table of substrate 14
Face.Such design can substantially reduce overall volume, keep overall structure compacter, can be installed in narrow space.
Further, Fig. 2~Fig. 4 is referred to, there is guide and limit hole 141, the intermediate connecting rod II on the substrate 14
15 are hinged with connecting rod 16 is executed by axis pin 19, which passes through guide and limit hole 141, with to entire steering assembly and locking
The limit of component.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make table as multiple types
Show, such transformation is each fallen within protection scope of the present invention.