CN102805502B - Folding angle-adjusting mechanism - Google Patents
Folding angle-adjusting mechanism Download PDFInfo
- Publication number
- CN102805502B CN102805502B CN201210296741.XA CN201210296741A CN102805502B CN 102805502 B CN102805502 B CN 102805502B CN 201210296741 A CN201210296741 A CN 201210296741A CN 102805502 B CN102805502 B CN 102805502B
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- gear disc
- internal gear
- internal
- adjusting angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a folding angle-adjusting mechanism which comprises a guide disc, an internal gear disc, a shaft sleeve, an elastic element, an external gear disc and an unlocking mechanism; the internal gear disc is connected with the guide disc by adopting a guide structure, and an internal meshing structure is formed on the internal gear disc; the shaft sleeve passes through the internal gear disc, the elastic element and the guide disc in sequence; the shaft sleeve is sleeved by the elastic element which acts on the internal gear disc; the external gear disc is fixedly connected with an upper connecting plate and is installed on the shaft sleeve, and the external gear disc is also connected with a guide sleeve and is provided with an external meshing structure meshed with the internal meshing structure on the internal gear disc; and the unlocking mechanism is installed on the shaft sleeve, is in drive connection with the internal gear disc and is mutually matched with the elastic element, so that the internal meshing structure on the internal gear disc is meshed with and separated from the external meshing structure on the external gear disc. As all parts of the folding angle-adjusting mechanism are coaxially arranged, the size is small; and therefore, the folding angle-adjusting mechanism can be used in a head rest, a handrail, a leg support and other rotating mechanisms of which the spaces are limited. The folding angle-adjusting mechanism has the angle-adjusting and folding double functions.
Description
Technical field
The present invention relates to seat reclining mechanism technical field, particularly one folds adjusting angle mechanism.
Background technology
The adjusting angle mechanism used in current seat and fold mechanism are provided separately mostly, wherein adjusting angle mechanism is by the rotation of camshaft 1 with moving cam 2 mostly, cam 2 drives tooth plate 3 to move radially to realize engaging and disengaging between tooth plate 3 with outer tooth plate 4, thus reaches locking and the unblock (see Fig. 1) of adjusting angle mechanism.The space that this adjusting angle mechanism moves radially owing to having tooth plate 3, therefore cause the external diameter of adjusting angle mechanism larger, space layout receives limitation, cannot use in the mechanism in little space.
See Fig. 2, existing fold mechanism is that employing one limited block 10 carries out locking and unblock to drive latch 20 mostly, and limited block 10 generally relies on drag-line to drive.
See Fig. 3, the fold mechanism of its disclosed band compensate function is also adopt limited block 30 to carry out locking and unblock to the lower connecting plate 40 be connected with seat cushion framework, and the locking gap between spring 50 pairs of limited blocks 30 and lower connecting plate 40 compensates.
But it is larger also to there are overall dimensions in the fold mechanism of above-mentioned two kinds of modes, the problem that cannot use in the mechanism in little space.
Summary of the invention
Technical problem to be solved by this invention is to provide for the problem existing for above-mentioned adjusting angle mechanism and fold mechanism that a kind of volume is little, folding adjusting angle mechanism in the rotating mechanism such as headrest, handrail, leg holder that can be used for limited space.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A kind of folding adjusting angle mechanism, comprising:
One lower connecting plate be connected with fixed part and a upper junction plate be connected with movable part, described movable part and described fixed part hinged and angular adjustment can be carried out and can fold spreading out with level in relatively fixed part; It is characterized in that: also comprise:
One positioning disk be fixedly connected with described lower connecting plate, this positioning disk has the hollow structure of guide effect together;
One internal gear disc with endoporus, this internal gear disc adopts the first guide frame to be configured in the hollow structure play the guiding role of described positioning disk, and the outer peripheral edge of described internal gear disc is provided with internal gearing structure;
One axle sleeve, this axle sleeve has the first end and the second end that are oppositely arranged, and the first end of axle sleeve is successively through described internal gear disc, flexible member and positioning disk;
One to be enclosed within described axle sleeve and the flexible member acted in described internal gear disc;
One outer tooth disk be fixedly connected with upper junction plate, the second end that this outer tooth disk is arranged on described axle sleeve is connected with described positioning disk, this outer tooth disk has the container cavity of an accommodation described axle sleeve second end, and the ring cavity wall of this container cavity is provided with the external toothing structure be meshed with the internal gearing structure in internal gear disc;
One installs the release mechanism on described axle sleeve, and this release mechanism drives with described internal gear disc and is connected, and this release mechanism and described flexible member cooperatively interact, and makes the internal gearing structure in internal gear disc engage with the external toothing structure on outer tooth disk and be separated.
In a preferred embodiment of the invention, described positioning disk, flexible member, internal gear disc and outer tooth disk are coaxially arranged on described axle sleeve.
In a preferred embodiment of the invention, trying to get to the heart of a matter of described positioning disk has an axle sleeve hole passed for described axle sleeve.
In a preferred embodiment of the invention, described positioning disk is fixedly connected with described axle sleeve.
In a preferred embodiment of the invention, matched in clearance between described outer tooth disk and positioning disk.
In a preferred embodiment of the invention, the hollow structure play the guiding role of described positioning disk refers to: the hollow structure in described positioning disk with the described internal gear disc of an accommodation and flexible member, the internal perisporium of this hollow structure is provided with the second guide frame, the first guide frame in described second guide frame and internal gear disc engages each other, and the first guide frame wherein in internal gear disc is arranged on the outer peripheral edge of internal gear disc.
In a preferred embodiment of the invention, described first guide frame is at least one feather key be arranged on the outer peripheral edge of internal gear disc, described second guide frame is at least one gathering sill on the internal perisporium of the hollow structure being arranged on described positioning disk, and described feather key is embedded in described gathering sill.
In a preferred embodiment of the invention, described first guide frame is the some feather keys be distributed on the outer peripheral edge of described internal gear disc, described second guide frame is the some gathering sills on the internal perisporium of the hollow structure being distributed on described positioning disk, and each feather key is embedded in corresponding gathering sill.
In a preferred embodiment of the invention, described first guide frame is at least one gathering sill be arranged on the outer peripheral edge of internal gear disc, described second guide frame is at least one feather key on the internal perisporium of the hollow structure being arranged on described positioning disk, and described feather key is embedded in described gathering sill.
In a preferred embodiment of the invention, described first guide frame is the some gathering sills be distributed on the outer peripheral edge of described internal gear disc, described second guide frame is the some feather keys on the internal perisporium of the hollow structure being distributed on described positioning disk, and each feather key is embedded in corresponding gathering sill.
In a preferred embodiment of the invention, the internal gearing structure on the outer peripheral edge of described internal gear disc is internal messing ring tooth, and the external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the external toothing ring tooth be meshed with described internal messing ring tooth.
Described inside and outside engagement ring tooth is straight-tooth or is cone tooth.
In a preferred embodiment of the invention, internal gearing structure on the outer peripheral edge of described internal gear disc is the some internal messing tooth blocks be distributed on the outer peripheral edge of internal gear disc, external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the some external toothing teeth groove be distributed on ring cavity wall, and each internal messing tooth block is inserted in corresponding external toothing teeth groove.
In a preferred embodiment of the invention, internal gearing structure on the outer peripheral edge of described internal gear disc is the some sections of internal messing tooth sections be distributed on the outer peripheral edge of internal gear disc, external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the some external toothing tooth sections be distributed on ring cavity wall, and each internal messing tooth section is meshed with corresponding external toothing tooth section.
In a preferred embodiment of the invention, in the endoporus of described internal gear disc, be provided with one in order to prop up the back-up ring of described flexible member, the internal diameter of described back-up ring coordinates with the first end crest clearance of described axle sleeve; One end of described flexible member props up trying to get to the heart of a matter of described positioning disk, and the other end props up on the first end face of described back-up ring.
In a preferred embodiment of the invention, at least one latch that described release mechanism comprises a unlock button pin or unlocks pull-button pin and be arranged on unlock button pin or unlock on the outer peripheral face of pull-button pin, the jacket wall on described axle sleeve offers at least one and axially unlocks guide groove; Described unlock button pin or unlock pull-button pin through described axle sleeve, described latch by described axially unlock guide groove to pass in axle sleeve to axle sleeve and with the second end contact of described back-up ring.
In a preferred embodiment of the invention, described release mechanism comprises a unblock by knob and at least one latch be arranged on the outer peripheral face of unlocking knob, the jacket wall on described axle sleeve offers at least one spiral and unlocks guide groove; Described unlocking knob through described axle sleeve, described latch to be unlocked the axle sleeve that guide groove passes in axle sleeve by described spiral and with the second end contact of described back-up ring.
Described flexible member is a back-moving spring.
Described axle sleeve second end is provided with one section of external thread section and one section of Step Shaft, a through hole passed for the external thread section on described axle sleeve is offered trying to get to the heart of a matter of described outer tooth disk, in the small diameter shaft that through hole on described outer tooth disk is sleeved on the Step Shaft on axle sleeve second end and make the external thread section on axle sleeve pass outer tooth disk try to get to the heart of a matter on through hole outside, outer tooth disk is limited on axle sleeve by the end face of the major diameter axle being spun on the nut on described external thread section and the Step Shaft on the axle sleeve second end axial location that matches.
Described axle sleeve second end is provided with one section of Step Shaft, offer a through hole passed for the small diameter shaft on described axle sleeve trying to get to the heart of a matter of described outer tooth disk, the Second bobbin diameter axle that described outer tooth disk is sleeved on the Step Shaft on axle sleeve second end carries out axial location restriction by the end face of the major diameter axle of the Step Shaft on axle sleeve second end; Described outer tooth disk is provided with an outward flange face step, described positioning disk is provided with inner flange face step, linked together by a riveted joint ring between described inside and outside flange face step.
Owing to have employed design as above, each part of folding adjusting angle mechanism of the present invention adopts coaxial set-up mode, and thus volume is little, therefore can be used in the rotating mechanism such as headrest, handrail, leg holder of limited space.The present invention adopts the multiple unlocking manner of button, pull-button or knob, can arrange flexibly according to installation site.Internal gear disc of the present invention carries out locking or unblock by moving axially, and in guarantee some strength situation, that the external diameter of internal gear disc can be done is less.Under the strength of materials is the condition of 500MPa, as single laser intensity requires that mechanism's external diameter is minimum for accomplishing 30mm for 500Nm.Original angle regulating structure and fold mechanism unite two into one by the present invention, achieve angle modulation and folding dual-use function.
Accompanying drawing explanation
Fig. 1 is the engagement schematic diagram in existing adjusting angle mechanism between tooth plate and outer tooth plate.
Fig. 2 is the structural representation of existing a kind of fold mechanism.
Fig. 3 is the structural representation of existing another kind of fold mechanism.
Fig. 4 is the appearance schematic diagram of the folding adjusting angle mechanism of the embodiment of the present invention 1.
Fig. 5 is that the folding adjusting angle mechanism of the embodiment of the present invention 1 is from the exploded perspective view viewed from a direction.
Fig. 6 is that the folding adjusting angle mechanism of the embodiment of the present invention 1 is from the exploded perspective view viewed from another direction.
Fig. 7 is that the folding adjusting angle mechanism bottom bracket axle of the embodiment of the present invention 1 and unlock button assemble schematic diagram.
Fig. 8 is the assembling schematic diagram between the folding adjusting angle mechanism bottom bracket axle of the embodiment of the present invention 1 and unlock button, internal gear disc.
Fig. 9 be in the folding adjusting angle mechanism of the embodiment of the present invention 1 unlock button stressed before axle sleeve and unlock button, view between internal gear disc.
Figure 10 be in the folding adjusting angle mechanism of the embodiment of the present invention 1 unlock button stressed after axle sleeve and unlock button, view between internal gear disc.
Figure 11 be in the folding adjusting angle mechanism of the embodiment of the present invention 1 unlock button stressed after axle sleeve and unlock button, internal gear disc, view between outer tooth disk.
Figure 12 be in the folding adjusting angle mechanism of the embodiment of the present invention 1 unlock button stressed after state sectional view.
Figure 13 is the stressed front state sectional view of unlock button in the folding adjusting angle mechanism of the embodiment of the present invention 1.
Figure 14 is the structural representation of internal gear disc in the folding adjusting angle mechanism of the embodiment of the present invention 1.
Figure 15 is the upper junction plate motion state schematic diagram after the folding adjusting angle mechanism of the embodiment of the present invention 1 unlocks.
Figure 16 is that the folding adjusting angle mechanism of the embodiment of the present invention 2 is from the exploded perspective view viewed from a direction.
Figure 17 is the stressed front state sectional view of unlock button in the folding adjusting angle mechanism of the embodiment of the present invention 2.
Figure 18 is that the folding adjusting angle mechanism bottom bracket axle of the embodiment of the present invention 3 assembles schematic diagram with unblock pull-button.
Figure 19 is that the folding adjusting angle mechanism bottom bracket axle of the embodiment of the present invention 4 and unlocking knob assemble schematic diagram.
Figure 20 be in the folding adjusting angle mechanism of the embodiment of the present invention 5 unlock button stressed after axle sleeve and unlock button, internal gear disc, view between outer tooth disk.
Figure 21 is the upper junction plate motion state schematic diagram after the folding adjusting angle mechanism of the embodiment of the present invention 5 unlocks.
Figure 22 be in the folding adjusting angle mechanism of the embodiment of the present invention 6 unlock button stressed after axle sleeve and unlock button, internal gear disc, view between outer tooth disk.
Figure 23 is the upper junction plate motion state schematic diagram after the folding adjusting angle mechanism of the embodiment of the present invention 6 unlocks.
Figure 24 is the structural representation of internal gear disc in the folding adjusting angle mechanism of the embodiment of the present invention 6.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.Following embodiment is only detailed description of the invention, does not form limiting to the claimed invention.
Embodiment is that the angular adjustment and folding being applied to backrest with folding adjusting angle mechanism of the present invention describes below, but folding adjusting angle mechanism of the present invention is not limited in order to backrest angular adjustment with in folding, headrest, handrail and leg holder angular adjustment can also be used for and folds.
Embodiment 1
See Fig. 4, Fig. 5 and Fig. 6, the folding adjusting angle mechanism provided in figure, comprise upper junction plate 100 and lower connecting plate 200, upper junction plate 100 is connected (not shown) with seat back-rest framework, and lower connecting plate 200 is connected (not shown) with seat cushion skeleton.
Upper junction plate 100 is welded to connect with the outer tooth disk 310 in folding adjusting angle mechanism, and lower connecting plate 200 is welded to connect with the positioning disk 320 in folding adjusting angle mechanism.
Positioning disk 320 has the hollow structure 321 of an accommodation internal gear disc 340 and back-moving spring 350, and trying to get to the heart of a matter of positioning disk 320 has an axle sleeve hole 323 passed for axle sleeve 330.Uniformly on the internal perisporium of hollow structure 321 be provided with some gathering sills 322.
Internal gear disc 340 has an endoporus 341, the outer peripheral edge of internal gear disc 340 is provided with one section of internal messing ring tooth 342 and is uniformly provided with some feather keys 343.In the endoporus 341 of internal gear disc 340, be provided with a back-up ring 344, the internal diameter of back-up ring 344 coordinates with one end 331 crest clearance of axle sleeve 330.Internal messing ring tooth 342 is straight-tooth (see Figure 14).
The other end of axle sleeve 330 being provided with external thread section 332 and one section of Step Shaft 333 of one section of minor diameter, be through hole 334 in axle sleeve 330, uniformly on the jacket wall of Step Shaft 333 position in one end 331 of axle sleeve 330 offers three axially unblock guide grooves 335.Step Shaft 333 is made up of one section of small diameter shaft 333a and section of major diameter axle 333b.
Outer tooth disk 310 has the container cavity 311 of an accommodation internal messing ring tooth 342, offers a through hole 312 trying to get to the heart of a matter of outer tooth disk 310, is provided with external toothing ring tooth 313 on the ring cavity wall of container cavity 311 simultaneously.External toothing ring tooth 313 is also straight-tooth.
The unlocking structure of this embodiment is a unlock button 360, and unlock button 360 comprises a unlock button pin 361, the through hole 334 internal diameter matched in clearance in the external diameter of unlock button pin 361 and axle sleeve 330.Uniform endoporus 341 internal diameter being provided with place, three latch, 362, three latch 362 outer ends diameter of a circle and should being less than internal gear disc 340 on the outer peripheral face of unlock button pin 361, but be greater than the internal diameter of back-up ring 344.Three latch 362 adopt the tight fit such as engagement thread or interference mode to be arranged on unlock button pin 361.The external diameter axis that should be slightly less than on axle sleeve 330 of latch 362 unlocks the width of guide groove 335.
When the folding adjusting angle mechanism of this embodiment assembles, see Fig. 7, first by unlock button pin 361 through hole 334 through axle sleeve 330, three latch 362 are inserted axis corresponding on axle sleeve 330 and to unlock in guide groove 335 and be spun in the screwed hole on unlock button pin 361 or adopt the tight fit modes such as interference to install on unlock button pin 361.
After unlock button pin 361 and axle sleeve 330 assemble, then by the endoporus 341 of one end 331 of axle sleeve 330 through internal gear disc 340, internal gear disc 340 is enclosed within one end 331 of axle sleeve 330, and on the end face 344a making three latch 362 be against the back-up ring 344 in internal gear disc 340 (see Fig. 8).
Then see Figure 12, back-moving spring 350 is enclosed within one end 331 of axle sleeve 330, again by the axle sleeve hole 323 of one end 331 of axle sleeve 330 through positioning disk 320, positioning disk 320 is enclosed within one end 331 of axle sleeve 330, and the feather key 343 in internal gear disc 340 is embedded in gathering sill 322 corresponding on positioning disk 320.Positioning disk 320 and axle sleeve 330 adopt and are fixedly connected with mode and are connected.
Then lower connecting plate 200 is fixed in seat cushion skeleton (not shown).Then the through hole 312 that outer tooth disk 310 is tried to get to the heart of a matter is enclosed within the small diameter shaft 333a of axle sleeve 330, and outside the external thread section 332 of axle sleeve 330 is passed through hole 312 that outer tooth disk 310 tries to get to the heart of a matter, then nut 370 is spun on the external thread section 332 of axle sleeve 330, relies on nut 370 and the end face of the small diameter shaft 333a of axle sleeve 330 to cooperatively interact to limit outer tooth disk 310 and move axially.
Finally upper junction plate 100 is fixed in seat back-rest framework (not shown).After folding adjusting angle mechanism assembles, one end of back-moving spring 350 is against on trying to get to the heart of a matter of positioning disk 320, the other end is against on the end face 344b of back-up ring 344, back-moving spring 350 promotes internal gear disc 340 by back-up ring 344 and moves to outer tooth disk 310 direction, internal messing ring tooth 342 in internal gear disc 340 is engaged (see Figure 13) with the external toothing ring tooth 313 in outer tooth disk 310, and namely the folding adjusting angle mechanism of this sample embodiment assembles.
The operation principle of the folding adjusting angle mechanism of this embodiment is as follows: when unlock button pin 361 does not stress, back-moving spring 350 promotes internal gear disc 340 by back-up ring 344 and moves to outer tooth disk 310 direction, internal messing ring tooth 342 in internal gear disc 340 is engaged with the external toothing ring tooth 313 in outer tooth disk 310, at this moment because the feather key 343 in internal gear disc 340 engages with the gathering sill 322 on positioning disk 320, internal gear disc 340 is directed to dish 320 and pins, and due in internal gear disc 340 internal messing ring tooth 342 engage with the external toothing ring tooth 313 in outer tooth disk 310, therefore outer tooth disk 310 cannot rotate, upper junction plate 100 cannot rotate relative to lower connecting plate 200, now the angle of backrest is (see Fig. 9 and Figure 13) that cannot adjust.
When inwardly pressing unlock button pin 361, latch 362 on unlock button pin 361 promotes internal gear disc 340 by back-up ring 344 and moves to away from outer tooth disk 310 direction, internal messing ring tooth 342 in internal gear disc 340 departs from the external toothing ring tooth 313 in outer tooth disk 310 and engages, outer tooth disk 310 is unlocked, the upper junction plate 100 be connected on outer tooth disk 310 just can adjust by lower connecting plate 200 relatively at any angle, and then drives backrest to adjust at any angle relative to seat cushion.Outer tooth disk 310 is in releasing process, and back-moving spring 350 is compressed (see Figure 10, Figure 11, Figure 12 and Figure 15).
Once the angle adjustment of backrest good after, unclamp unlock button pin 361, back-moving spring 350 promotes internal gear disc 340 by back-up ring 344 and moves to outer tooth disk 310 direction, internal messing ring tooth 342 in internal gear disc 340 is engaged with the external toothing ring tooth 313 in outer tooth disk 310, outer tooth disk 310 is lockable again, and the angle of backrest is fixed (see Fig. 9 and Figure 13).
When backrest is folded up by needs, pressing under unlock button pin 361 state, backrest can be turn to certain angle forward, is folded on seat cushion.
Embodiment 2
Substantially identical with embodiment 1 see the folding adjusting angle mechanism provided in Figure 16 and Figure 17, figure, just the structure of positioning disk, outer tooth disk and axle sleeve is slightly different from embodiment 1.
The folding adjusting angle mechanism of this embodiment also comprises upper junction plate 100 and lower connecting plate 200, and upper junction plate 100 is connected (not shown) with seat back-rest framework, and lower connecting plate 200 is connected (not shown) with seat cushion skeleton.
Upper junction plate 100 is welded to connect with the outer tooth disk 310a in folding adjusting angle mechanism, and lower connecting plate 200 is welded to connect with the positioning disk 320a in folding adjusting angle mechanism.
Positioning disk 320a has the hollow structure 321a of an accommodation internal gear disc 340a and back-moving spring 350, and trying to get to the heart of a matter of positioning disk 320a has an axle sleeve hole 323a passed for axle sleeve 330a.Uniformly on the internal perisporium of hollow structure 321a be provided with some gathering sill 322a.Separately on the outer peripheral edge of positioning disk 320a, be provided with a circle flange flange 324a.
Internal gear disc 340a has an endoporus 341a, the outer peripheral edge of internal gear disc 340a is provided with one section of internal messing ring tooth 342a and is uniformly provided with some feather key 343a.In the endoporus 341a of internal gear disc 340a, be provided with a back-up ring 344a, the internal diameter of back-up ring 344a coordinates with one end 331a crest clearance of axle sleeve 330a.Internal messing ring tooth 342a is straight-tooth (see Figure 14).
The other end of axle sleeve 330a being provided with Step Shaft 336, be through hole 334a in axle sleeve 330a, offers three axially unblock guide groove 335a one end 331a of axle sleeve 330a is uniform on the jacket wall of Step Shaft 336 position.Step Shaft 336 is by one section of small diameter shaft 336a, diameter shaft 336b and section of major diameter axle 336c is formed in one section.
Outer tooth disk 310a has the container cavity 311a of the Step Shaft 336 of an accommodation axle sleeve 330a, offers a through hole 312a trying to get to the heart of a matter of outer tooth disk 310a, is provided with external toothing ring tooth 313a on the ring cavity wall of container cavity 311a simultaneously; External toothing ring tooth 313a is also straight-tooth.Outer tooth disk 310a outer peripheral edge is provided with a circle flange flange 314a.
The unlocking structure of this embodiment is that a unlock button 360a, unlock button 360a comprise a unlock button pin 361a, the through hole 334a internal diameter matched in clearance in the external diameter of unlock button pin 361a and axle sleeve 330a.Uniformly on the outer peripheral face of unlock button pin 361a be provided with three latch 362a, but place, three latch 362a outer ends diameter of a circle should be less than the endoporus 341a internal diameter of internal gear disc 340a be greater than the internal diameter of back-up ring 344a.Three latch 362a adopt the tight fit such as engagement thread or interference mode to be arranged on unlock button pin 361a.The external diameter axis that should be slightly less than on axle sleeve 330a of latch 362a unlocks the width of guide groove 335a.
When the folding adjusting angle mechanism of this embodiment assembles, see Figure 17, first by unlock button pin 361a through the through hole 334a of axle sleeve 330a, three latch 362a are inserted the upper corresponding axis of axle sleeve 330a and to unlock in guide groove 335a and to be spun in the screwed hole on unlock button pin 361a or the tight fit mode such as employing interference is installed on unlock button pin 361a.
After unlock button pin 361a and axle sleeve 330a assembles, then by the endoporus 341a of one end 331a of axle sleeve 330a through internal gear disc 340a, internal gear disc 340a is enclosed within one end 331a of axle sleeve 330a, and three latch 362a are against on the end face 344aa of the back-up ring 344a in internal gear disc 340a.
Back-moving spring 350 is enclosed within one end 331a of axle sleeve 330a, again by the axle sleeve hole 323a of one end 331a of axle sleeve 330a through positioning disk 320a, positioning disk 320a is enclosed within one end 331a of axle sleeve 330a, and the feather key 343a on internal gear disc 340a is embedded in gathering sill 322a corresponding on positioning disk 320a.
Then the through hole 312a that outer tooth disk 310a tries to get to the heart of a matter to be enclosed within axle sleeve 330a on diameter shaft 336b, and outside the small diameter shaft 336a of axle sleeve 330a is passed through hole 312a that outer tooth disk 310a tries to get to the heart of a matter, then be riveted together by the flange flange 324a on positioning disk 320a and the flange flange 314a on outer tooth disk 310a with a riveted joint ring 400, namely the folding adjusting angle mechanism of this sample embodiment assembles.After folding adjusting angle mechanism assembles, be fixed on by lower connecting plate 200 in seat cushion skeleton (not shown), upper junction plate 100 is fixed in seat back-rest framework (not shown).
After folding adjusting angle mechanism assembles, one end of back-moving spring 350 is against on trying to get to the heart of a matter of positioning disk 320a, the other end is against on the end face 344ab of back-up ring 344a, back-moving spring 350 promotes internal gear disc 340a to the motion of outer tooth disk 310a direction by back-up ring 344a, and the internal messing ring tooth 342a on internal gear disc 340a is engaged with the external toothing ring tooth 313a in outer tooth disk 310a.
The operation principle of the folding adjusting angle mechanism of this embodiment is identical with embodiment 1.
Embodiment 3
The structure of the folding adjusting angle mechanism of this embodiment is substantially identical with the structure of embodiment 1 or embodiment 2, the difference of itself and embodiment 1 or embodiment 2 is, just unlock button is replaced with and unlock tension-torsion 360b, unlock tension-torsion 360b and comprise a unblock pull-button pin 361b, unlock the through hole 334b internal diameter matched in clearance in the external diameter of pull-button pin 361b and axle sleeve 330b.Uniformly on the outer peripheral face unlocking pull-button pin 361b be provided with three latch 362b, but place, three latch 362b outer ends diameter of a circle should be less than the bore inner diameter of internal gear disc be greater than the internal diameter of back-up ring.Three latch 362b adopt the tight fit such as engagement thread or interference mode to be arranged on and unlock on pull-button pin 361b.The external diameter axis that should be slightly less than on axle sleeve 330b of latch 362b unlocks the width of guide groove 335b.
Unlock the through hole 334a of pull-button pin 361b through axle sleeve 330b, three latch 362b are inserted the upper corresponding axis of axle sleeve 330b and to unlock in guide groove 335b and to be spun in the screwed hole on unblock pull-button pin 361b (see Figure 18).During unblock, only need to be pulled outwardly unblock tension-torsion pin 361b, unclamp during locking and unlock tension-torsion pin 361b.Other operation principles and embodiment 1 or embodiment 2 substantially identical.
Embodiment 4
The structure of the folding adjusting angle mechanism of this embodiment is substantially identical with the structure of embodiment 1 or embodiment 2, the difference of itself and embodiment 1 or embodiment 2 is, just unlock button is replaced with and unlock turn-knob 360c, and offer three and axially unlock guide grooves by uniform on axle sleeve 330c jacket wall and change screw into and unlock guide groove 335c.
Unlock turn-knob 360c and comprise a unlocking knob pin 361c, the through hole 334c internal diameter matched in clearance in the external diameter of unlocking knob pin 361c and axle sleeve 330c.Uniformly on the outer peripheral face unlocking pull-button pin 361b be provided with three latch 362c, but place, three latch 362c outer ends diameter of a circle should be less than the bore inner diameter of internal gear disc be greater than the internal diameter of back-up ring.Three latch 362c adopt the tight fit such as engagement thread or interference mode to be arranged on unlocking knob pin 361c.The external diameter spiral that should be slightly less than on axle sleeve 330c of latch 362c unlocks the width of guide groove 335c.
Three latch 362c, through the through hole 334c of axle sleeve 330c, to insert in axle sleeve 330c upper corresponding spiral unblock guide groove 335c and to be spun in the screwed hole on unlocking knob pin 361c (see Figure 19) by unlocking knob pin 361c.During unblock, only need clockwise shearing to unlock tension-torsion pin 361c, unclamp during locking and unlock tension-torsion pin 361c.Other operation principles and embodiment 1 or embodiment 2 substantially identical.
Embodiment 5
The structure of the folding adjusting angle mechanism of this embodiment is substantially identical with the structure of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, just changes to some extent in the engaging structure of internal gear disc and outer tooth disk.
See Figure 20, internal gear disc 340d has an endoporus 341d, uniformly on the outer peripheral edge of internal gear disc 340d be provided with four internal messing tooth block 342d and be uniformly provided with some feather key 343d, in the endoporus 341d of internal gear disc 340d, be provided with a back-up ring 344d, the internal diameter of back-up ring 344d coordinates with one end 331d crest clearance of axle sleeve 330d.
Outer tooth disk 310d has the container cavity 311d of the Step Shaft of an accommodation axle sleeve 330d, offers a through hole trying to get to the heart of a matter of outer tooth disk 310d, is provided with four external toothing teeth groove 313d on the ring cavity wall of container cavity 311d simultaneously.
During locking, four internal messing tooth block 342d on the outer peripheral edge of internal gear disc 340d are inserted into external toothing teeth groove 313d corresponding on outer tooth disk 310d and outer tooth disk 310d can be pinned.During unblock internal gear disc 340d outer peripheral edge on four internal messing tooth block 342d to exit on outer tooth disk 310d corresponding external toothing teeth groove 313d, namely outer tooth disk 310d is unlocked.
See Figure 21, this folding adjusting angle mechanism after unblock, upper junction plate 100d can only position on outer tooth disk 310d corresponding to four external toothing teeth groove 313d by locking, other positions cannot locking.Namely the folding adjusting angle mechanism of this embodiment can only realize several gear adjustment of backrest and fold.
Embodiment 6
The structure of the folding adjusting angle mechanism of this embodiment is substantially identical with the structure of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, just changes to some extent in the engaging structure of internal gear disc and outer tooth disk.
See Figure 22, internal gear disc 340e has an endoporus 341e, uniformly on the outer peripheral edge of internal gear disc 340e be provided with four sections of internal messing tooth section 342e and be uniformly provided with some feather key 343e, in the endoporus 341e of internal gear disc 340e, be provided with a back-up ring 344e, the internal diameter of back-up ring 344e coordinates with one end 331e crest clearance of axle sleeve 330e.
Outer tooth disk 310e has the container cavity 311e of the Step Shaft of an accommodation axle sleeve 330e, offers a through hole trying to get to the heart of a matter of outer tooth disk 310e, simultaneously uniformly on the ring cavity wall of container cavity 311e is provided with four sections of external toothing tooth section 313e.
During locking, the external toothing tooth section 313e that four sections of internal messing tooth section 342e on the outer peripheral edge of internal gear disc 340e are corresponding with on outer tooth disk 310e engages each other and outer tooth disk 310d can be pinned.Four sections of internal messing tooth section 342e during unblock on internal gear disc 340e outer peripheral edge exit external toothing tooth section 313e corresponding on outer tooth disk 310e, and namely outer tooth disk 310e is unlocked.
See Figure 23, this folding adjusting angle mechanism after unblock, upper junction plate 100e can only position on outer tooth disk 310e corresponding to four external toothing teeth groove 313e by locking, other positions cannot locking.Another after unblock, upper junction plate 100e can also finely tune in certain angle scope, and namely the folding adjusting angle mechanism of this embodiment can realize several gear adjustment of backrest and fold, and can finely tune again in each gear positions simultaneously.
Embodiment 7
The structure of the folding adjusting angle mechanism of this embodiment is substantially identical with the structure of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, and the internal messing ring tooth 342f just on internal gear disc 340f is cone tooth, and the external toothing ring tooth on outer tooth disk is also cone tooth.
In above-described embodiment, the gathering sill in positioning disk can exchange with the feather key in internal gear disc.
Claims (18)
1. a folding adjusting angle mechanism, comprising:
One lower connecting plate be connected with fixed part and a upper junction plate be connected with movable part, described movable part and described fixed part hinged and angular adjustment can be carried out and can fold spreading out with level in relatively fixed part; It is characterized in that: also comprise:
One positioning disk be fixedly connected with described lower connecting plate, this positioning disk has the hollow structure of guide effect together;
One internal gear disc with endoporus, this internal gear disc adopts the first guide frame to be configured in the hollow structure play the guiding role of described positioning disk, and the outer peripheral edge of described internal gear disc is provided with internal gearing structure;
One axle sleeve, this axle sleeve has the first end and the second end that are oppositely arranged, and the first end of axle sleeve is successively through described internal gear disc, flexible member and positioning disk;
One to be enclosed within described axle sleeve and the flexible member acted in described internal gear disc;
One outer tooth disk be fixedly connected with upper junction plate, the second end that this outer tooth disk is arranged on described axle sleeve is connected with described positioning disk, this outer tooth disk has the container cavity of an accommodation described axle sleeve second end, and the ring cavity wall of this container cavity is provided with the external toothing structure be meshed with the internal gearing structure in internal gear disc;
One installs the release mechanism on described axle sleeve, and this release mechanism drives with described internal gear disc and is connected, and this release mechanism and described flexible member cooperatively interact, and makes the internal gearing structure in internal gear disc engage with the external toothing structure on outer tooth disk and be separated;
Internal gearing structure on the outer peripheral edge of described internal gear disc is internal messing ring tooth, and the external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the external toothing ring tooth be meshed with described internal messing ring tooth;
In the endoporus of described internal gear disc, be provided with one in order to prop up the back-up ring of described flexible member, the internal diameter of described back-up ring coordinates with the first end crest clearance of described axle sleeve; One end of described flexible member props up trying to get to the heart of a matter of described positioning disk, and the other end props up on the first end face of described back-up ring.
2. folding adjusting angle mechanism as claimed in claim 1, it is characterized in that, described positioning disk, flexible member, internal gear disc and outer tooth disk are coaxially arranged on described axle sleeve.
3. folding adjusting angle mechanism as claimed in claim 2, is characterized in that, trying to get to the heart of a matter of described positioning disk has an axle sleeve hole passed for described axle sleeve.
4. folding adjusting angle mechanism as claimed in claim 2, it is characterized in that, described positioning disk is fixedly connected with described axle sleeve.
5. folding adjusting angle mechanism as claimed in claim 2, is characterized in that, matched in clearance between described outer tooth disk and positioning disk.
6. folding adjusting angle mechanism as claimed in claim 3, it is characterized in that, the hollow structure play the guiding role of described positioning disk refers to: the hollow structure in described positioning disk with the described internal gear disc of an accommodation and flexible member, the internal perisporium of this hollow structure is provided with the second guide frame, the first guide frame in described second guide frame and internal gear disc engages each other, and the first guide frame wherein in internal gear disc is arranged on the outer peripheral edge of internal gear disc.
7. folding adjusting angle mechanism as claimed in claim 6, it is characterized in that, described first guide frame is at least one feather key be arranged on the outer peripheral edge of internal gear disc, described second guide frame is at least one gathering sill on the internal perisporium of the hollow structure being arranged on described positioning disk, and described feather key is embedded in described gathering sill.
8. folding adjusting angle mechanism as claimed in claim 6, it is characterized in that, described first guide frame is the some feather keys be distributed on the outer peripheral edge of described internal gear disc, described second guide frame is the some gathering sills on the internal perisporium of the hollow structure being distributed on described positioning disk, and each feather key is embedded in corresponding gathering sill.
9. folding adjusting angle mechanism as claimed in claim 6, it is characterized in that, described first guide frame is at least one gathering sill be arranged on the outer peripheral edge of internal gear disc, described second guide frame is at least one feather key on the internal perisporium of the hollow structure being arranged on described positioning disk, and described feather key is embedded in described gathering sill.
10. folding adjusting angle mechanism as claimed in claim 6, it is characterized in that, described first guide frame is the some gathering sills be distributed on the outer peripheral edge of described internal gear disc, described second guide frame is the some feather keys on the internal perisporium of the hollow structure being distributed on described positioning disk, and each feather key is embedded in corresponding gathering sill.
11. fold adjusting angle mechanism as claimed in claim 1, and it is characterized in that, described inside and outside engagement ring tooth is straight-tooth or is cone tooth.
12. folding adjusting angle mechanisms as described in any one of claim 1 to 10 claim, it is characterized in that, internal gearing structure on the outer peripheral edge of described internal gear disc is the some internal messing tooth blocks be distributed on the outer peripheral edge of internal gear disc, external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the some external toothing teeth groove be distributed on ring cavity wall, and each internal messing tooth block is inserted in corresponding external toothing teeth groove.
13. folding adjusting angle mechanisms as described in any one of claim 1 to 10 claim, it is characterized in that, internal gearing structure on the outer peripheral edge of described internal gear disc is the some sections of internal messing tooth sections be distributed on the outer peripheral edge of internal gear disc, external toothing structure on the ring cavity wall of the container cavity of described outer tooth disk is the some external toothing tooth sections be distributed on ring cavity wall, and each internal messing tooth section is meshed with corresponding external toothing tooth section.
14. fold adjusting angle mechanism as claimed in claim 1, it is characterized in that, at least one latch that described release mechanism comprises a unlock button pin or unlocks pull-button pin and be arranged on unlock button pin or unlock on the outer peripheral face of pull-button pin, the jacket wall on described axle sleeve offers at least one and axially unlocks guide groove; Described unlock button pin or unlock pull-button pin through described axle sleeve, described latch by described axially unlock guide groove to pass in axle sleeve to axle sleeve and with the second end contact of described back-up ring.
15. fold adjusting angle mechanism as claimed in claim 1, it is characterized in that, described release mechanism comprises a unlocking knob and is arranged at least one latch on the outer peripheral face of unlocking knob, the jacket wall on described axle sleeve offer at least one spiral and unlock guide groove; Described unlocking knob through described axle sleeve, described latch by described spiral unlock guide groove to pass in axle sleeve to axle sleeve and with the second end contact of described back-up ring.
16. fold adjusting angle mechanism as claimed in claim 14, and it is characterized in that, described flexible member is a back-moving spring.
17. fold adjusting angle mechanism as claimed in claim 15, it is characterized in that, described axle sleeve second end is provided with one section of external thread section and one section of Step Shaft, a through hole passed for the external thread section on described axle sleeve is offered trying to get to the heart of a matter of described outer tooth disk, in the small diameter shaft that through hole on described outer tooth disk is sleeved on the Step Shaft on axle sleeve second end and make the external thread section on axle sleeve pass outer tooth disk try to get to the heart of a matter on through hole outside, outer tooth disk is matched by the end face of the major diameter axle being spun on the nut on described external thread section and the Step Shaft on axle sleeve second end and carries out axial location restriction.
18. fold adjusting angle mechanism as claimed in claim 15, it is characterized in that, described axle sleeve second end is provided with one section of Step Shaft, offer a through hole passed for the small diameter shaft on described axle sleeve trying to get to the heart of a matter of described outer tooth disk, the Second bobbin diameter axle that described outer tooth disk is sleeved on the Step Shaft on axle sleeve second end carries out axial location restriction by the end face of the major diameter axle of the Step Shaft on axle sleeve second end; Described outer tooth disk is provided with an outward flange face step, described positioning disk is provided with inner flange face step, linked together by a riveted joint ring between described inside and outside flange face step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296741.XA CN102805502B (en) | 2012-08-17 | 2012-08-17 | Folding angle-adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296741.XA CN102805502B (en) | 2012-08-17 | 2012-08-17 | Folding angle-adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102805502A CN102805502A (en) | 2012-12-05 |
| CN102805502B true CN102805502B (en) | 2015-06-03 |
Family
ID=47229507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210296741.XA Active CN102805502B (en) | 2012-08-17 | 2012-08-17 | Folding angle-adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102805502B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423093A (en) * | 2016-01-08 | 2016-03-23 | 科盾科技股份有限公司 | Display screen hoisting device |
| CN109080509B (en) * | 2018-08-17 | 2021-03-12 | 黄海 | Seat angle adjusting device with centering performance |
| CN109080510B (en) * | 2018-08-17 | 2021-03-12 | 黄海 | Seat back angle adjusting device |
| US11401039B2 (en) | 2020-03-25 | 2022-08-02 | B/E Aerospace, Inc. | Angular armrest adjustment assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2647648Y (en) * | 2003-09-12 | 2004-10-13 | 邹耀忠 | Vehicle seat angle regulator |
| CN101370687A (en) * | 2006-01-27 | 2009-02-18 | 丰田自动车株式会社 | Seat |
| CN201328553Y (en) * | 2008-11-26 | 2009-10-21 | 周国卿 | Chair back adjusting structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1156513A (en) * | 1997-08-27 | 1999-03-02 | Ikeda Bussan Co Ltd | Reclining device |
| DE10217873B4 (en) * | 2001-04-23 | 2008-08-14 | Aisin Seiki K.K., Kariya | joint fitting |
| JP5034759B2 (en) * | 2007-08-08 | 2012-09-26 | トヨタ紡織株式会社 | Swivel device |
-
2012
- 2012-08-17 CN CN201210296741.XA patent/CN102805502B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2647648Y (en) * | 2003-09-12 | 2004-10-13 | 邹耀忠 | Vehicle seat angle regulator |
| CN101370687A (en) * | 2006-01-27 | 2009-02-18 | 丰田自动车株式会社 | Seat |
| CN201328553Y (en) * | 2008-11-26 | 2009-10-21 | 周国卿 | Chair back adjusting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102805502A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102805502B (en) | Folding angle-adjusting mechanism | |
| US7614700B2 (en) | Fitting for a vehicle seat | |
| DE102010053965A1 (en) | Collapsible child carrier | |
| CN106428182B (en) | Linkage folds split type perambulator | |
| CN208525259U (en) | Foldable electric wheeled chair | |
| CN104442978A (en) | Interlock foldable stroller seats | |
| CN106677695B (en) | Terraced joint | |
| CN108494156A (en) | A kind of linear actuators that unidirectional power transmits | |
| CN111645850A (en) | Folding member unfolding, supporting and locking device | |
| CN105644605B (en) | A kind of linkage of unlocking device | |
| CN203485968U (en) | Child cart seat capable of being folded in linkage mode | |
| CN101219645B (en) | Bidirectional controller, gemel component having the same and seat having the same | |
| CN216140044U (en) | Rotary joint and stroller comprising same | |
| CN115281491A (en) | Bottom central control mechanism of baby bed | |
| CN108216342A (en) | Baby-carrier framework and Pushchair | |
| CN209547589U (en) | It is baby bed | |
| EP4157694A1 (en) | Compact foldable stroller | |
| CN110325426A (en) | A kind of infant car seat pocket | |
| CN206797181U (en) | Automotive seat high pulling torque recliner | |
| CN219479631U (en) | Adjustable armrest supporting structure of chair | |
| CN207168246U (en) | A kind of backrest adjusts fastener | |
| CN217515209U (en) | Baby carriage frame folding mechanism | |
| CN215705855U (en) | Automobile and automobile seat armrest applying angle adjuster thereof | |
| CN220832492U (en) | Child support assembly | |
| CN221068191U (en) | Seat for children's barrow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |