CN103989339B - Angle-adjustable hinge and sofa - Google Patents
Angle-adjustable hinge and sofa Download PDFInfo
- Publication number
- CN103989339B CN103989339B CN201310401139.2A CN201310401139A CN103989339B CN 103989339 B CN103989339 B CN 103989339B CN 201310401139 A CN201310401139 A CN 201310401139A CN 103989339 B CN103989339 B CN 103989339B
- Authority
- CN
- China
- Prior art keywords
- towards
- floating wedge
- angle
- angle adjustment
- gear
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/026—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
- A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
In an angle-adjustable hinge having a construction in which a first member (1) and a second member (2) having a gear portion (4) are pivoted as to oscillate, a floating wedge member (6), of which one face is a toothed face (7) engaged to the gear portion (4) and another face is a contact face (9) which contacts a wedge face (8) formed on the first member (1) side, is provided, and, a recovery means (10), for recovering the floating wedge member (6) from a retreat state to an engaged state with the gear portion (4) by a return action (M 2 ) of a predetermined small angle ( ) in a standing direction (A) during an inclining action (M 1 ) to relatively oscillate the first member (1) and the second member (2) from a final standing position (P 0 ) in an inclining direction (B), is provided.
Description
Technical field
The present invention relates to angle adjustment gold utensil and acnemia seat.
Background technology
For example, as shown in the axonometric chart of Figure 42, the acnemia seat with portions 31 and backrest 32, in backrest 32 and portions 31
Between be provided with the joint gold utensil with angle-adjusting mechanism（Angle adjustment gold utensil）, to adjust the angle of inclination of backrest 32.
All the time, present applicant has proposed the 1st part of the side of portions 31 and the 2nd of the side of backrest 32 the can arbitrarily be set
The angle adjustment gold utensil of angulation between part（Referenced patent document 1）.
In angle adjustment gold utensil described in patent documentation 1, the 2nd part can swing with respect to the 1st part towards folding direction, and
It is limited to multistage towards the swing of expansion direction so as to keep desired angle of inclination.
【Patent documentation 1】No. 5091362 publications of Japanese Patent No.
Traditional angle adjustment gold utensil has the gear part and floating wedge part on the 2nd part, the floating wedge portion
Part one side is provided with the flank of tooth that can be engaged with gear part, is the bearing surface that the wedge surface with the 1st part is abutted against on another surface side,
Relative 1st part of the 2nd part is limited by the wedging action of the floating wedge part towards the swing of toppling direction.In the 1st part
When at maximum folded position, angulation is about 90 degree with the 2nd part, the engagement quilt of floating wedge part and gear part
Release, above-mentioned wedging action failure, the 2nd part can freely swing towards expansion direction.
But, it is released from from the engagement of floating wedge part and gear part, the wedging action failure of floating wedge part is opened
Begin, until the 1st part and the 2nd part angulation reach 180 degree, till forming horizontal development state state, floating wedge part
Wedging action all cannot recover.If not guaranteeing there are enough spaces after the backrest of the acnemia seat in Figure 29, backrest cannot launch
Into horizontality, it has to lift portions and launch by force, use it is not convenient, operate it is also cumbersome.
The content of the invention
It is an object of the invention to provide one kind can be such that backrest is starting to horizontal development state from maximum folded position
To swing all can simply recover on the optional position in way and swing restriction state, angle that is rapid and successfully carrying out angle adjustment
Adjustment gold utensil.
Angle adjustment gold utensil according to the present invention has：1st part；2nd part, it has a gear part, and with the 1st part
It is pivotally connected in swingable form；Floating wedge part, its one side is provided with the flank of tooth that can be engaged with said gear portion, another
It is bearing surface that the wedge surface on the side with above-mentioned 1st part is abutted against on surface side；Restoration methods, above-mentioned bearing surface with it is above-mentioned
Wedge surface is abutted, while under the engagement that engages with said gear portion of the above-mentioned flank of tooth, above-mentioned 1st part of suppression and above-mentioned 2nd
Part relatively swings towards expansion direction, also, by the way that above-mentioned 1st part and above-mentioned 2nd part are relatively put towards folding direction
Dynamic to reach maximum folded position, the above-mentioned floating wedge part of movement makes the gear part with the above-mentioned flank of tooth away from said gear portion
Form the backoff state for releasing engagement, under the backoff state, above-mentioned 1st part of the angle adjustment gold utensil and above-mentioned 2nd
Part relatively can swing towards expansion direction, and phase is started from above-mentioned maximum folded position in above-mentioned 1st part and above-mentioned 2nd part
In the way of the expansion action for swinging towards expansion direction over the ground, action is retracted by retracting the low-angle of regulation towards folding direction,
Above-mentioned floating wedge part can revert to the engagement engaged with said gear portion from above-mentioned backoff state.
In addition, to realize above-mentioned restoration methods, above-mentioned angle adjustment gold utensil has：Crimping friction plate, the crimping friction plate
Contacted with the extruding of slidable form with above-mentioned 2nd part, while relative 1st part is limited in the low-angle of above-mentioned regulation
In the range of rotate；Lever part, the lever part one end is connected with above-mentioned crimping friction plate, is that fulcrum is specifying with middle part
Low-angle scope in freely swing, the other end is arranged to that the above-mentioned floating wedge part under above-mentioned backoff state can be pushed；
Under above-mentioned backoff state, in above-mentioned 1st part and above-mentioned 2nd part towards in the expansion action of expansion direction, above-mentioned floating wedge portion
Part maintains above-mentioned backoff state, also, by the above-mentioned action that retracts towards folding direction, above-mentioned crimping friction plate due to it is above-mentioned
Frictional force effect between 2nd part, only with the small angle rotation of above-mentioned regulation, and the pushing movement of above-mentioned lever part is above-mentioned
Floating wedge part, makes said gear portion form engagement with above-mentioned flank engagement.
In addition, to realize above-mentioned restoration methods, above-mentioned angle adjustment gold utensil has：Crimping friction plate, the crimping friction
Plate is contacted with above-mentioned 2nd part with the extruding of slidable form, while relative 1st part is limited in the low-angle of above-mentioned regulation
In the range of rotate；Elastics wing part, the elastics wing part one end is connected with above-mentioned crimping friction plate, is with middle part
Fulcrum freely swings in the low-angle scope of regulation, and the other end is arranged to and the above-mentioned floating wedge portion under above-mentioned backoff state
Part elasticity is abutted；Under above-mentioned backoff state, in above-mentioned 1st part and above-mentioned 2nd part towards in the expansion action of expansion direction, on
The above-mentioned other end for stating elastics wing part is abutted with above-mentioned floating wedge part with the state of non-pushing, while the floating wedge part
Above-mentioned backoff state is maintained, also, by the above-mentioned action that retracts towards folding direction, above-mentioned elastics wing part is with elastic force pushing
The above-mentioned floating wedge part of movement, makes said gear portion form engagement with above-mentioned flank engagement.
In addition, to realize above-mentioned restoration methods, above-mentioned angle adjustment gold utensil has：Crimping friction plate, the crimping friction
Plate is contacted with above-mentioned 2nd part with the extruding of slidable form, while relative 1st part is limited in the low-angle of above-mentioned regulation
In the range of rotate；Spring members, the spring members are abutted with above-mentioned floating wedge part, and towards the direction in extruding said gear portion
It is elastic force-applying；Swing arm, the swing arm one end is connected with above-mentioned crimping friction means, with middle part be fulcrum regulation angle model
Freely swing in enclosing, the other end is connected with above-mentioned spring members；Under above-mentioned backoff state, in above-mentioned 1st part and above-mentioned 2nd
Towards in the expansion action of expansion direction, above-mentioned spring members are maintained the 1st position to part by above-mentioned swing arm, make above-mentioned floating wedge part
Backoff state is maintained, also, by the action that retracts towards above-mentioned folding direction, above-mentioned swing arm is by above-mentioned spring members from the 1st
Put to the movement of the 2nd position, when above-mentioned spring members are with above-mentioned floating wedge part sliding contact, by frictional force effect this is floated
Dynamic wedge portion part movement, makes said gear portion form engagement with above-mentioned flank engagement.
Moreover, it relates to acnemia seat there is portions and backrest, the company between above-mentioned portions and above-mentioned backrest
Socket part position is provided with the angle adjustment gold utensil with angle-adjusting mechanism, to adjust the angle of inclination of the backrest.Should for having
The acnemia seat of angle adjustment gold utensil, above-mentioned angle adjustment gold utensil enables the relatively above-mentioned portions of above-mentioned backrest to put towards standing direction
It is dynamic, also, above-mentioned backrest is limited towards toppling direction swing, further, by the way that the relatively above-mentioned portions of above-mentioned backrest are formed greatly
The final stance of vertical configuration, above-mentioned restriction is caused to be released from, above-mentioned backrest can swing to toppling direction.Above-mentioned backrest from
Above-mentioned final stance starts in the way of the expansion action swung to toppling direction, by retracting the little angle of regulation towards standing direction
That what is spent retracts action, and the restriction towards above-mentioned toppling direction is resumed, and above-mentioned backrest can keep intermediate, inclined posture.
With regard to the angle adjustment gold utensil of the present invention, start towards expansion side from maximum folded position in the 1st part and the 2nd part
To the optional position swung in way, pass through（With respect to the 1st part）The 2nd part is somewhat retracted towards folding direction, floating wedge part can
With engaging tooth wheel portion exactly, suppress the 1st part and the 2nd part towards the swing of expansion direction.That is, floating wedge part and gear part
Engagement be released from after, reach 180 degree in the 1st part and the 2nd part angulation, before forming horizontal development state, the 1st
Part and the 2nd part can simply keep desired angle of inclination.
In addition, with regard to the acnemia seat of the present invention, after backrest forms final stance, in portions and the institute of backrest
It is angled to reach 180 degree, before forming horizontal development state, and backrest need not be toppled over, from final stance to level
In launching the way of posture, backrest can be made by shirtsleeve operation and exactly intermediate, inclined posture be kept with desired angle.Cause
This, even if sofa is placed in behind backrest with the presence of barrier etc.（Narrow and small）Place, can also be easily adjusted sofa to be wished
The backrest of prestige topples over posture, very convenient.
Description of the drawings
A kind of exploded perspective view of Fig. 1 embodiments to illustrate the invention.
Fig. 2 is the axonometric chart of the assembling use state of the angle adjustment gold utensil of the present invention.
The significant points sectional view of Fig. 3 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 4 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 5 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 6 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 7 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 8 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Fig. 9 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 10 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 11 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 12 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 13 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 14 angle adjustment gold utensils to illustrate the invention.
The exploded perspective view of Figure 15 other embodiments to illustrate the invention.
Figure 16 is the significant points axonometric chart for omitting the 1st part and cover.
The significant points sectional view of Figure 17 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 18 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 19 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 20 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 21 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 22 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 23 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 24 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 25 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 26 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 27 angle adjustment gold utensils to illustrate the invention.
Figure 28 is the explanation schematic diagram of elastics wing part.
The exploded perspective view of Figure 29 other embodiments to illustrate the invention.
Figure 30 is the significant points axonometric chart under the assembling use state for omitting the 1st part and cover.
The significant points sectional view of Figure 31 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 32 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 33 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 34 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 35 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 36 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 37 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 38 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 39 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 40 angle adjustment gold utensils to illustrate the invention.
The significant points sectional view of Figure 41 angle adjustment gold utensils to illustrate the invention.
The axonometric chart of Figure 42 acnemia seats to illustrate the invention.
Specific embodiment
Hereinafter, the present invention is described in detail for the schematic diagram based on embodiment.
For example, as shown in the axonometric chart of Figure 42, in the acnemia seat with portions 31 and backrest 32, in portions 31 and lean on
Connecting portion between the back of the body 32 is provided with the angle adjustment gold utensil of the present invention, in order to adjust the angle of inclination of backrest 32, the angle
Degree adjustment gold utensil is used as connection portions 31 and the joint gold utensil of backrest 32（Connection gold utensil）, with angle-regulation structure.The angle
Adjustment gold utensil 30 can be used in sofa, bed, oblique chair etc. in addition to it can be used for acnemia seat, also, for connecting portions and backrest, or
Person uses as the joint gold utensil of headrest or footrest.
As shown in FIG. 1 to 3, angle adjustment gold utensil of the invention has the 1st part and the 2nd part with gear part 4,
Both are with can be around the 1st axle center C1The form of swing is pivotally connected, it may have floating wedge part 6, and its one side is provided with can be with tooth
The flank of tooth 7 of the engagement of wheel portion 4, is the bearing surface 9 abutted against with the wedge surface on the 1st part side on another surface side.
As shown in figure 4, the bearing surface 9 in the floating wedge part 6 is abutted with wedge surface 8, while the flank of tooth 7 is engaged with gear part 4
Engagement under, suppress（Prevent）1st part 1 and the 2nd part 2 are relatively towards the swing of expansion direction B.Therefore, such as Figure 10
It is shown, reach maximum folded position P by the way that the 1st part 1 and the 2nd part 2 are relatively swung towards folding direction A0, it is mobile to float
Wedge portion part 6 makes it away from gear part 4, makes the engagement releasing of gear part 4 and the flank of tooth 7, backoff state is formed, in the backoff state
Under, the 1st part 1 and the 2nd part 2 relatively can freely swing towards expansion direction B.
1st part 1 has the installation position 18 of shell portion 23 and cylindrical shape, and a pair of opposing walls 17,17 are contained in shell portion 23.Shell
Portion 23（Opposing walls 17,17）Through hole 21 and wedge shape window portion 5 are provided with, through hole 21 is used to insert pivot 24, wedge shape window portion 5
Floating wedge part 6 can movably be received wherein.With the 1st axle center C1From the point of view of centered on side, wedge shape window portion 5 has lateral surface
For the wedge surface 8 of arc-shaped.Wedge shape window portion 5 also have accommodate leave floating wedge part 6 under the state of gear part 4 keep out of the way space.
2nd part 2 has two pieces of gear plate portions 45 being parallel to each other, and 45 and cylindric installation position 19.With the 1st axle
Heart C1Centered on gear plate portion 45,45 arc-shaped neighboring on, for example, central angle be 100 °～120 ° in the range of quilt
Make gear part 4.Floating wedge part 6 and gear part 4 on the width of left and right two at engage, also, whole teeth of the flank of tooth 7
Engage simultaneously with gear part 4.The head end position of gear part 4 and distal portion are conformed with position 14,14.Gear plate portion 45,45
It is provided with the dead eye 22 of pluggable pivot 24.In addition, the flank of tooth 7 of floating wedge part 6 is provided with 13～20 pieces of teeth, and gear part
4 teeth for being provided with more than 40 pieces, are more preferably provided with 45～65 pieces of teeth.Thus, the series of angle adjustment can reach 40 grades
More than.
In addition, the 1st part 1 is provided with and is abutted against with floating wedge part 6, it is elastic force-applying along press direction to gear part 4
Spring members 16.
The restoration methods 10 of the angle adjustment gold utensil of the present invention are as follows：In the 1st part 1 and the 2nd part 2 from maximum folded position
Put P0Start the expansion action M for relatively swinging towards expansion direction B1Way in, by the little angle that regulation is retracted towards folding direction A
Degree θ's retracts action M2, floating wedge part 6 can revert to the engagement engaged with gear part 4 from backoff state.
It is to realize restoration methods 10 in a kind of embodiment shown in Fig. 1～Figure 14, above-mentioned angle adjustment gold utensil tool
Have：Crimping friction plate 13, the crimping friction plate 13 and the 2nd part 2 are slidably and to have to be extruded in the form of minimal friction and connect
Touch, and be limited in rotation in the range of the small angle theta of regulation relative to the 1st part 1；Lever part 3, the one end of lever part 3
3a is connected with crimping friction plate 13（Can small angle oscillation ground it is pivotally connected）, with middle part as fulcrum 42, in the angle of regulation
In the range of it is swingable, while other end 3b can push the floating wedge part 6 under backoff state.
Under the backoff state as shown in Figure 10～Figure 12, the 1st part 1 and the 2nd part 2 towards expansion direction B expansion
Action M1In,（The other end 3b of lever part 3 is maintained at the non-thrusting position V for not pushing floating wedge part 61）Floating wedge portion
Part 6 maintains backoff state.As shown in figure 13, by retracting action M towards folding direction A2, due to rubbing between the 2nd part 2
Power is wiped, friction plate 13 is crimped and is only capable of being rotated with the small angle theta of regulation, meanwhile, lever part 3（Other end 3b pushes floating wedge portion
Part 6 so as to thrusting position V2It is mobile）（Upward）Floating wedge part 6 is pushed and moved, gear part 4 and the engaging of the flank of tooth 7 is made
Into engagement.
Lever part 3 is using the high metal of rigidity（Or resin）, it is made into the shape of similar V-shaped.The one of lever part 3
End 3a has the top of short cylindrical shape, and the arc-shaped recess of insertion crimping friction plate 13 is support swingablely.Lever portion
The downside of the middle part of part 3 is abutted with the 1st part 1 by fulcrum 42, for example, swings up and down one end 3a's as seesaw
Words, other end 3b accordingly swings up and down in the opposite direction.
The central authorities of crimping friction plate 13 are provided with the pivot hole 25 for inserting pivot 24, and prominent in a part for neighboring
Tab 43 is formed, insertion on tab 43 is provided with elongated hole 29.In addition, with a pair of protrusions in the crimping left and right sides of friction plate 13
Sliding contact convex portion 26,26, and with the lateral direction interaction bending multi-disc sliding contact lamellar position 27,27,27.
Under assembling use state, the gear plate portion 45 that friction plate 13 inserts the 2nd part 2 is crimped, in 45 inner surface simultaneously
Face contact, forms the opposing walls 17,17 that gear plate portion 45,45 loads the 1st part 1（Shell portion 23）And the state clamped, will
The insertion shell of pivot 24 portion 23, pivotally connected 1st part 1, the 2nd part 2 and crimping friction plate 13.To be fixed on the 1st part 1
Latch part 28 insertion crimping friction plate 13 elongated hole 29 in, crimping friction plate 13 can centered on the 1st axle center C regulation
Small angle theta in the range of rotate.
In addition, also having the cover 20 in the shell portion 23 of the 1st part 1 of parcel, the cover 20 is resinous.
Cover 20 is bottom wall part 20A, the covering left and right side by the lower surface for covering the 1st part 1 and the 2nd part 2
Caping wall portion 20C of side of sidewall portion 20B and the top for covering the grade part of floating wedge part 6 is integrally formed, by with patchhole 39,
39 metal locking part 35, is fixed on the 1st part 1.A part for caping wall portion 20C makes the 2nd part 2 towards folding
The slit-shaped openings position 36 that direction A can be entered when swinging, the both sides of the edge of the opening 36 are provided with slides with the 2nd part
Contact and the laminar obturator 37 that can be widened.Two end side surfaces of side of sidewall portion 20B and floating wedge part 6 are abutted against or even closely
Contact, prevents floating wedge part 6 from coming off, and is provided with hole portion 38 on the position of correspondence through hole 21.Locking part 35 is at the 1st
In the state of the shell portion 23 of part 1 covers with being covered the encirclement shape of part 20, insert elasticly and be installed on side of sidewall portion 20B,
Also, pivot 24 inserts patchhole 39,39, hole portion 38, dead eye 22, pivot hole 25 and dead eye 22, pivot in the form of bunchiness
Axle is connected to the 1st part 1, the 2nd part 2 and cover 20 with locking part 35.In addition, also can arrange in bottom wall part 20A can
Tongue piece 40 is scratched, the flexible tongue piece 40 can be separated and swung up and down with side of sidewall portion 20B.
Using method to the angle adjustment gold utensil of the invention described above（Effect）Illustrate.
Under engagement as shown in Figure 4, the flank of tooth 7 of floating wedge part 6 is engaged with gear part 4, also, bearing surface 9 with
Wedge surface 8 is abutted against（Even if by the external force that the 2nd part applies along expansion direction B）, by the wedging action of floating wedge part 6,
Limit（Prevent）1st part 1 and the 2nd part 2 are relatively towards the swing of expansion direction B.
Secondly, if as shown in figure 5, proceeding by relatively swing the 1st part 1 and the 2nd part 2 towards folding direction A
Jackknife action M0, floating wedge part 6 will be slightly moved downwards in the wedge shape window portion 5, and bearing surface 9 leaves wedge surface 8, produces small
Space d.In this case, because the frictional force between the 2nd part 2 is acted on, crimping friction plate 13 is towards arrow N directions（Figure
Counter-clockwise direction）Rotate.One end of elongated hole 29 is abutted by latch part 28, the rotation for crimping friction plate 13 stops.
As shown in Figures 6 and 7, if making the 2nd part 2 further swing towards folding direction A, due to space d, floating wedge part
6 flank of tooth 7 will leave gear part 4, and the flank of tooth 7 makes the click click of gear part 4 cross gear part 4 while making a sound.
As shown in figure 8, in jackknife action M0In way, due to the wedging action of floating wedge part 6, even if making the phase of the 2nd part 2
1st part 1 is swung towards expansion direction B, the swing towards expansion direction B also can be limited, maintained（It is fixed to keep）1st part 1
With the angle of inclination of the 2nd part 2.
Therefore, in fig .9, jackknife action M is continued0If the flank of tooth 7 crosses gear part 4 repeatedly, the end of gear part 4 is reached,
Protruding part 14 will abut the upper end of floating wedge part 6.
As shown in Figure 10, in the state of protruding part 14 abuts with floating wedge part 6, by by the 1st part and the 2nd
Part 2 swings again towards folding direction A, reaches maximum folded position P0,（Depressed by protruding part 14）Floating wedge part 6 is in wedge shape
Move downward in window portion 5, be received into and keep out of the way in space 15, the flank of tooth 7 leaves gear part 4, and this is referred to as backoff state.Here
In the case of, the other end 3b of lever part 3 is pushed by the lower end of floating wedge part 6, is swung centered on fulcrum 42, is declined.Should
The state of lever part 3 is non-thrusting position V1.By lever part 3 in non-thrusting position V1The swing at place, lever part 3
One end 3a to crimp friction plate 13 apply moment of torsion, make crimping friction plate 13 along arrow R directions（The clockwise direction of figure）Little
Rotate in the range of angle, θ.In addition, the lower end of floating wedge part 6 stops movement, the 2nd part after abutting with the bottom surface of wedge shape window portion 5
2 are reaching maximum folded position P0Afterwards, do not continue towards folding direction A to swing.
Under the backoff state, floating wedge part 6 is received into keeps out of the way space 15, and gear part 4 is solved with engaging for the flank of tooth 7
Remove.Therefore.Towards the locking of expansion direction B（Limit）It is released from, the 1st part 1 and the 2nd part 2 relatively can be put towards expansion direction B
It is dynamic（Free state）.
Secondly, as shown in figure 11, if proceeding by the expansion action M for swinging the 2nd part 2 towards expansion direction B1, crimping
Friction plate 13 is by by the gear plate portion 45 with the left and right of the 2nd part 2, the frictional force effect between 45（Along arrow R directions）, lead to
Cross latch part 28 to abut with the other end of elongated hole 29, crimping friction plate 13 stops operating.That is, lever part 3 is maintained at
Non- thrusting position V1.Therefore, the 1st part 1 and the 2nd part 2 towards expansion direction B expansion action M1In, lever part 3 it is another
One end 3b will not push floating wedge part 6 to top, and floating wedge part 6 maintains backoff state.
As shown in figure 12, under backoff state, the wedging action failure of floating wedge part 6, the 2nd part 2 can be with respect to the 1st part
1 freely swings towards expansion direction B, is deployed into arbitrary angle of inclination.
In fig. 13, the 2nd part 2 is from maximum folded position P0Start to be swung to expansion direction（Expansion action M1）Until water
In way till open and flat open state, if the small angle theta for carrying out retracting regulation towards folding direction A retracts action M2, due to the 2nd
Frictional force effect between part 2, crimping friction plate 13 is towards arrow N directions（The counter clockwise direction of figure）Rotate.Lever part 3
One end 3a is crimped friction plate 13 and pushes, and other end 3b pushes the lower end of floating wedge part 6（It is pushed upward）.Thus,
Lever part 3 is as the rotation of crimping friction plate 13 is from non-thrusting position V1Move to thrusting position V2.Lever part 3 will float
Wedge portion part 6 from keep out of the way in space 15 release so as to be moved upward.Floating wedge part 6 is pushed out from keeping out of the way in space 15, makes tooth
Face 7 forms the engagement for engaging with gear part 4（Recover）.
In fig. 14, with Fig. 4 in, the flank of tooth 7 in floating wedge part 6 is engaged with gear part 4, and bearing surface 9
The engagement abutted with wedge surface 8, the wedging action of floating wedge part 6 recovers, from maximum folded position P0To horizontal development
Middle oblique position till state, can limit（Prevent）1st part 1 and the 2nd part 2 relatively swing towards expansion direction B.
Below, Figure 15～Figure 28 illustrates the other embodiment of the angle adjustment gold utensil of the present invention.
It is to realize restoration methods 10 in Figure 15～Figure 28, above-mentioned angle adjustment gold utensil has：Crimping friction plate 13, should
In slidable form and with slight friction power is extruded and contacted for crimping friction plate 13 and the 2nd part 2, while with respect to the 1st part 1
It is limited in the range of the small angle theta of regulation and rotates；Elastics wing part 11, one end 11a of elastics wing part 11 and pressure
Connect friction plate 13（With can be pivotally connected in the form of Small-angle Rotation）Connection, with middle part as fulcrum 42, in the angle of regulation
In the range of freely swing, and other end 11b is flexiblely abutted with the floating wedge part 6 under backoff state.
Under the backoff state shown in Figure 23～Figure 25, move towards the expansion of expansion direction B in the 1st part 1 and the 2nd part 2
Make M1In, the other end 11b of elastics wing part 11 is abutted with floating wedge part 6 under non-biased form, meanwhile, floating wedge portion
Part 6 maintains backoff state.As shown in figure 26, by retracting action M towards folding direction A2, elastics wing part 11 will with elastic force
Floating wedge part 6（Upward）Movement is pushed, the engagement that gear part 4 is engaged with the flank of tooth 7 is formed.
Elastics wing part 11 makes the plate spring sheet of the similar V-shaped of elastically deformable with resin or metal as raw material
Shape.One end 11a of elastics wing part 11 has the top of short cylindrical shape, and the arc-shaped recess of insertion crimping friction plate 13 can be certainly
By swingingly being support.The downside of the middle part of elastics wing part 11 is abutted with the 1st part 1 by fulcrum 42, for example,
One end 11a is swung up and down as seesaw, other end 11b accordingly swings up and down in the opposite direction.
The central authorities of crimping friction plate 13 are provided with the pivot hole 25 for inserting pivot 24, and prominent in a part for neighboring
Tab 43 is formed, insertion on tab 43 is provided with elongated hole 29.There is the cunning of a pair of protrusions in the crimping left and right sides of friction plate 13
Dynamic contact convex portion 26,26, and with the lamellar position 27,27,27 of the multi-disc sliding contact of interaction bending in the lateral direction.
Under assembling use state, the gear plate portion 45 that friction plate 13 inserts the 2nd part 2 is crimped, in 45 inner surface simultaneously
Face contact, forms the opposing walls 17,17 that gear plate portion 45,45 loads the 1st part 1（Shell portion 23）And the state clamped, will
The insertion shell of pivot 24 portion 23, pivotally connected 1st part 1, the 2nd part 2 and crimping friction plate 13.To be fixed on the 1st part 1
Latch part 28 insertion crimping friction plate 13 elongated hole 29 in, crimping friction plate 13 can centered on the 1st axle center C regulation
Small angle theta in the range of rotate.
In addition, also having the cover 20 in the shell portion 23 of the 1st part 1 of parcel, the cover 20 is resinous.
Cover 20 is bottom wall part 20A, the covering left and right side by the lower surface for covering the 1st part 1 and the 2nd part 2
Caping wall portion 20C of side of sidewall portion 20B and the top for covering the grade part of floating wedge part 6 is integrally formed, by with patchhole 39,
39 metal locking part 35, is fixed on the 1st part 1.A part for caping wall portion 20C makes the 2nd part 2 towards folding
The slit-shaped openings position 36 that direction A can be entered when swing, the both sides of the edge of the opening 36 are provided with and the 2nd part
Sliding contact and the laminar obturator 37 that can be widened.Two end side surfaces of side of sidewall portion 20B and floating wedge part 6 abut against or even
It is in close contact, prevents floating wedge part 6 from coming off, and hole portion 38 is provided with the position of correspondence through hole 21.Locking part 35 exists
The shell portion 23 of the 1st part 1 is covered part 20 and surrounds in the state of shape covering, inserts and be installed in side of sidewall portion 20B elasticly
On, also, pivot 24 inserts patchhole 39,39, hole portion 38, dead eye 22, pivot hole 25 and dead eye 22 in the form of bunchiness,
Pivotally connected 1st part 1, the 2nd part 2 and cover 20 and locking part 35.In addition, bottom wall part 20A also can arrange can
Tongue piece 40 is scratched, the flexible tongue piece 40 can be separated and swung up and down with side of sidewall portion 20B.
To the using method of angle adjustment gold utensil of the invention as shown in Figure 17～Figure 28（Effect）Illustrate.
Under engagement as shown in figure 17, the flank of tooth 7 of floating wedge part 6 is engaged with gear part 4, also, bearing surface 9 with
Wedge surface 8 is abutted（Even if by the external force that the 2nd part applies along expansion direction B）, by the wedging action of floating wedge part 6, limit
System（Prevent）1st part 1 and the 2nd part 2 are relatively towards the swing of expansion direction B.
Secondly, as shown in figure 18, if proceeding by relatively swing the 1st part 1 and the 2nd part 2 towards folding direction A
Jackknife action M0, floating wedge part 6 will be slightly moved downwards in the wedge shape window portion 5, and bearing surface 9 leaves wedge surface 8, produces small
Space d.In the case, due to the effect of the frictional force between the 2nd part 2, crimping friction plate 13 is towards arrow N directions
（Counter-clockwise direction in figure）Rotate.One end of elongated hole 29 is abutted by latch part 28, the rotation for crimping friction plate 13 stops.
As shown in Figure 19 and Figure 20, if the 2nd part 2 further swung towards folding direction A, due to space d, floating wedge
The flank of tooth 7 of part 6 will leave gear part 4, and the flank of tooth 7 makes the click click of gear part 4 cross gear part 4 while making a sound.
As shown in figure 21, in jackknife action M0Way in, due to the wedging action of floating wedge part 6, even if making the 2nd part
2 relative 1st parts 1 swing towards expansion direction B, and the swing towards expansion direction B also can be limited, and be maintained（It is fixed to keep）1st
The angle of inclination of the part 2 of part 1 and the 2nd.
Therefore, in fig. 22, if continuing jackknife action M0, the flank of tooth 7 crosses gear part 4, reaches gear part 4 last repeatedly
End, protruding part 14 will abut the upper end of floating wedge part 6.
As shown in figure 23, in the state of protruding part 14 abuts with floating wedge part 6, by by the 1st part 1 and the 2nd
Part 2 continues to reach maximum folded position P to folding direction A swings0, floating wedge part 6 moves downwards in wedge shape window portion 5
It is dynamic, to be kept out of the way space 15 and received wherein, the flank of tooth 7 leaves gear part 4, forms backoff state.In this case, elastics wing part
11 other end pushes the lower end of floating wedge part 6 and elastic deformation occurs.The lower end of floating wedge part 6 and wedge shape window portion 5
Bottom surface abuts and stops movement, and the 2nd part 2 is in maximum folded position P0Do not continue afterwards towards folding direction A to swing.
Under the backoff state, floating wedge part 6 is received into keeps out of the way space 15, and gear part 4 is solved with engaging for the flank of tooth 7
Remove.Therefore.Towards the locking of expansion direction B（Limit）It is released from, the 1st part 1 and the 2nd part 2 relatively can be put towards expansion direction B
It is dynamic（Free state）.
Secondly, as shown in figure 24, if proceeding by the expansion action M for swinging the 2nd part 2 towards expansion direction B1, crimping
Friction plate 13 is by by the gear plate portion 45 with the left and right of the 2nd part 2, the frictional force effect between 45, along arrow R directions（Figure
Clockwise direction）Rotate in the range of small angle theta.Abutted with the other end of elongated hole 29 by latch part 28, crimping rubs
Wiping board 13 stops operating.Bent due to floating wedge part 6（Elastic deformation）Elastics wing part 11 one end 11a with pressure
The rotation for connecing friction plate 13 is picked up, lost its bounce.That is, under the other end 11b of elastics wing part 11 and floating wedge part 6
End abuts under non-biased form.Therefore, the 1st part 1 and the 2nd part 2 towards expansion direction B expansion action M1In, elasticity
The other end 11b of tilting member 11 will not push floating wedge part 6 to top, and floating wedge part 6 maintains backoff state.
As shown in figure 25, under backoff state, the wedging action failure of floating wedge part 6, the 2nd part 2 can be with respect to the 1st
Part 1 freely swings towards expansion direction B, is deployed into arbitrary angle of inclination.
In fig. 26, the 2nd part 2 is from maximum folded position P0Start to be swung to expansion direction（Expansion action M1）Until water
In way till open and flat open state, if the small angle theta for carrying out retracting regulation towards folding direction A retracts action M2, due to the 2nd
Frictional force effect between part 2, crimping friction plate 13 is towards arrow N directions（The counter clockwise direction of figure）Rotate.At the same time, bullet
Property tilting member 11 the other end 11b lower end of floating wedge part 6 is pushed with elastic force, by floating wedge part 6 from keeping out of the way space 15
Middle release so as to be moved upward.Floating wedge part 6 is pushed out from keeping out of the way in space 15, makes the flank of tooth 7 and the engaging of gear part 4
Into engagement（Recover）.
In figure 27, with Figure 17 in, the flank of tooth 7 in floating wedge part 6 is engaged with gear part 4, and bearing surface 9
The engagement abutted with wedge surface 8, the wedging action of floating wedge part 6 recovers, from maximum folded position P0To horizontal development
Middle oblique position till state, can limit（Prevent）1st part 1 and the 2nd part 2 relatively swing towards expansion direction B.
As shown in figure 28, elastics wing part 11 keeps the free state without pushing force effect in Figure 18～Figure 22（It is real
Line）.In fig 23, one end 11a of elastics wing part 11 is supported in the position of script, and other end 11b is pushed downward.
Secondly, in fig. 24, while other end 11b bears pushing force, one end 11a is lifted upward, is loosed elastic force（Two point point
Line）.Therefore, in fig. 26, by depressing one end 11a, other end 11b is tilted upward, makes floating wedge part 6（From keeping out of the way
In space 15）It is moved upward.
Below, Figure 29～Figure 41 illustrates the other embodiment of the angle adjustment gold utensil of the present invention.
It is to realize restoration methods 10 in Figure 29～Figure 41, above-mentioned angle adjustment gold utensil has：Crimping friction plate 13, should
In slidable form and with slight friction power is extruded and contacted for crimping friction plate 13 and the 2nd part 2, while with respect to the 1st part 1
It is limited in the range of the small angle theta of upper regulation and rotates；Spring members 16, the spring members 16 are abutted with floating wedge part 6
And the direction along pushing gear portion 4 is elastic force-applying；Swing arm 12, one end 12a of the swing arm 12 is connected with crimping friction plate 13, with
Middle part is that fulcrum freely swings in the low-angle scope of regulation, meanwhile, other end 12b is connected with spring members 16.
In addition, 34 are denoted as the pivot of the fulcrum of the middle part of swing arm 12.
Other structures are identical with above-mentioned embodiment, and description will be omitted.
Under the backoff state shown in Figure 37～Figure 39, move towards the expansion of expansion direction B in the 1st part 1 and the 2nd part 2
Make M1In, spring members 16 are held in the 1st position S by swing arm 121, the maintenance backoff state of floating wedge part 6.As shown in figure 40, lead to
Cross towards folding direction A and retract action M2, swing arm 12 is by spring members 16 from the 1st position S1Move to the 2nd position S2, spring
Part 16 makes gear part 4 and the shape of the flank of tooth 7 with the sliding contact of floating wedge part 6 and by the mobile floating wedge part 6 of frictional force effect
Into engagement.In legend, spring members 16 are made up of Bending Processing into the spring wire of rectangular elongated shape, the spring
One end of part 16（Lower end）Pivotally connected with the other end 12b of swing arm 12, the bearing surface 9 of the normal Relative Floating wedge portion parts 6 of Jing bends
Archwise and with its Elastic Contact, and, the other end of spring members 16（Upper end）Vicinity and the 1st part 1 upper opening
The one edge tail 1E at position is slidably abutted, and with above-mentioned bow action the counteracting force of elasticity is subject to.
Swing arm 12 is made of metal, and section is similar to V-shaped.It is circular top that one end 12a of swing arm 12 has tail end section
End, is embedded in the arc-shaped recess of crimping friction plate 13, is supported in swingable form.The middle part of swing arm 12 leads to
Cross pivot 34 pivotally connected with the 1st part 1, if swinging up and down one end 12a of swing arm 12, other end 12b will correspondingly towards anti-
Direction swings up and down.
Should illustrate, spring members 16 also can be leaf spring made by rectangular-shaped metallic plate（Omit diagram）.Crimping friction
The pivot hole 25 for inserting pivot 24 is made in the central authorities of plate 13, and insertion is provided with elongated hole 29 on tab 43.And, crimping friction
With the sliding contact convex portion 26 of a pair of protrusions in the left and right sides of plate 13,26, and with many of interaction bending in the lateral direction
Piece sliding friction lamellar position 27,27（It is essentially identical with the embodiment of front Fig. 1～Figure 14 for having addressed）.
Under assembling use state, the gear plate portion 45 of the part 2 of friction plate 13 and the 2nd is crimped, 45 inner surface is by crimping
Touch and be inserted, form the opposing walls 17,17 that gear plate portion 45,45 loads the 1st part 1（Shell portion 23）And the shape clamped
State, by pivot 24 shell portion 23, pivotally connected 1st part 1, the 2nd part 2 and crimping friction plate 13 are inserted.The 1st will be fixed on
In the elongated hole 29 of the insertion crimping friction plate 13 of latch part 28 on part 1, crimping friction plate 13 can be centered on the 1st axle center C
Rotate in the range of the small angle theta of regulation.
Using method to the angle adjustment gold utensil as shown in Figure 31～Figure 41（Effect）Illustrate.
Under the engagement shown in Figure 31, the flank of tooth 7 of floating wedge part 6 is engaged with gear part 4, also, bearing surface 9 with
Wedge surface 8 is abutted,（Even if by the external force that the 2nd part applies along expansion direction B）By the wedging action of floating wedge part 6, limit
System（Prevent）1st part 1 and the 2nd part 2 are relatively towards the swing of expansion direction B.
Secondly, as shown in figure 32, if proceeding by relatively swing the 1st part 1 and the 2nd part 2 towards folding direction A
Jackknife action M0, floating wedge part 6 will be moved slightly downwards in the wedge shape window portion 5, and bearing surface 9 leaves wedge surface 8, is formed small
Space d.In this case, because the frictional force between the 2nd part 2 is acted on, crimping friction plate 13 is to arrow N directions（Figure
Counter clockwise direction）Rotate.Abutted against with the one end of elongated hole 29 by latch part 28, crimping friction plate 13 stops operating.
As shown in figs. 33 and 34, if the 2nd part 2 is further swung towards folding direction A, due to space d, floating wedge portion
The flank of tooth 7 of part 6 will leave gear part 4, and the flank of tooth 7 makes the click click of gear part 4 cross gear part 4 while making a sound.
As shown in figure 35, in jackknife action M0Way in, due to the wedging action of floating wedge part 6, even if making the 2nd part
2 relative 1st parts 1 swing towards expansion direction B, and the swing towards expansion direction B also can be limited, and be maintained（It is fixed to keep）1st
The angle of inclination of the part 2 of part 1 and the 2nd.
Therefore, in Figure 36, if continuing jackknife action M0, the flank of tooth 7 crosses gear part 4, reaches gear part 4 last repeatedly
End, protruding part 14 will abut the upper end of floating wedge part 6.
As shown in figure 37, in the state of protruding part 14 abuts with floating wedge part 6, by by the 1st part and the 2nd
Part 2 further swings towards folding direction A and reaches maximum folded position P0, floating wedge part 6 will be downwards moved in the wedge shape window portion 5
It is dynamic, kept out of the way space 15 and received, switch to the backoff state that the flank of tooth 7 leaves gear part 4.
Under the backoff state, floating wedge part 6 is incorporated in keeps out of the way space 15, and gear part 4 is solved with engaging for the flank of tooth 7
Remove.Therefore, towards the locking of expansion direction B（Limit）Release, the 1st part 1 and the 2nd part 2 relatively can swing to expansion direction B
（Free state）.
Secondly, as shown in figure 38, if proceeding by the expansion action M for swinging the 2nd part 2 towards expansion direction B1, due to
Act on the frictional force between the 2nd part 2, crimping friction plate 13 will be along arrow R directions（The clockwise direction of figure）In small angle theta
In the range of rotate.The other end of elongated hole 29 is abutted by latch part 28, crimping friction plate 13 stops operating.Swing arm 12 it is another
One end 12b is left behind the lower end of spring members 16 so as to be maintained at the 1st position S1.Therefore, in the 1st part 1 and the 2nd part 2 towards exhibition
Expansion action M of the evolution to B1In, floating wedge part 6 maintains backoff state.
As shown in figure 39, under backoff state, the wedging action failure of floating wedge part 6, the 2nd part 2 can be with respect to the 1st part
1 freely swings towards expansion direction B, is expanded to arbitrary angle of inclination.
In Figure 40, in the 2nd part 2 from maximum folded position P0Start towards expansion direction B to swing（Expansion action M1）Until
In the way of horizontal development state, if the small angle theta for carrying out retracting regulation towards folding direction A retracts action M2, due to the 2nd
Frictional force effect between part 2, crimping friction plate 13 can be towards arrow N directions（The counter clockwise direction of figure）Rotate.With the crimping
The rotation of friction plate 13, the other end 12b of swing arm 12 rises so as to biasing springs part 16, by spring members 16 from the 1st position
S1Move to the 2nd position S2.Pass through frictional force while spring members 16 and floating wedge 6 sliding contact of part by floating wedge part 6
Release from keeping out of the way in space 15（Pull out）So as to it is moved upward.Floating wedge part 6 by from keep out of the way in space 15 release（Draw
Go out）, make the flank of tooth 7 engage to form engagement with gear part 4（Recover）.
Same with Figure 31 in Figure 41, the flank of tooth 7 in floating wedge part 6 is engaged with gear part 4, and bearing surface 9 and wedge
The engagement that face 8 abuts, the wedging action of floating wedge part 6 recovers,（From maximum folded position P0To horizontal development state
Till）Middle oblique position, can limit（Prevent）1st part 1 and the 2nd part 2 relatively swing towards expansion direction B.
As shown in figure 42, with regard to above-mentioned angle adjustment gold utensil of the invention, acnemia seat has portions 31 and backrest 32,
The angle adjustment gold utensil 30,30 with angle-adjusting mechanism is provided with connecting portion 33 between portions 31 and backrest 32, with
Just the angle of inclination of backrest 32 is adjusted.Angle adjustment gold utensil 30,30 enables the relative portions 31 of backrest 32 to put towards standing direction A
It is dynamic, also, backrest 32 is limited towards the swing of toppling direction B.Further, substantially hung down by the way that the relative portions 31 of backrest 32 are formed
The final stance T of straight shape0, restriction is released from, and backrest 32 can be to toppling direction B（Freely）Swing.In addition, in backrest 32
From final stance T0Start the expansion action M swung to toppling direction B1It is little by retracting regulation towards standing direction A in way
Angle, θ retracts action M2, towards the restriction of toppling direction B（Prevention is toppled over）It is resumed, backrest 32 can keep intermediate, inclined appearance
Gesture T1。
In addition, though eliminating diagram, angle adjustment gold utensil 30 can be used for, such as on sofa or bed, will rest the head on or putting
In the way for swinging the expansion action that position swings from final stance to toppling direction of foot etc., by drawing towards standing direction
Return the low-angle locking for retracting action, can recovering towards toppling direction of regulation（Prevention is toppled over）, keep swinging the centre at position
Inclination attitude, it is very convenient.
In the case that the angle adjustment gold utensil is used in sofa or bed, because the body weight of people concentrates on headrest or footrest etc.
Place, frame parts assume responsibility for the situation of excessive external force and occurs repeatedly, therefore rest the head on or the frame parts of footrest etc. occurs plasticity
Deformation is simultaneously much to the situation of toppling direction bending.There are the following problems for past angle adjustment gold utensil：Due to frame section
There is plastic deformation in part, if headrest or footrest etc. are not continued to incline on horizontal development posture, towards toppling direction
Locking（Prevention is toppled over）Can become to recover.
Even if the angle adjustment gold utensil of the present invention is in the case of for sofa or bed, due to without resting the head on or footrest
Can reset lock etc. horizontal development posture is poured onto（Prevention is toppled over）Even if there is plastic deformation and towards the side of toppling in frame parts
To bending, also can be by the way that headrest or footrest be retracted towards standing direction in expansion action way so as to keep intermediate, inclined appearance
Gesture.
Should illustrate, the design of the present invention can be changed.For example, in the case of without wedge shape window portion 5, can be floating with pushing
The sheet like part of the bearing surface 9 of dynamic wedge portion part 6 is replacing.And, the design of case member 20 or dimension scale are also changed.
Especially have, if as the elastics wing part in the lever part 3 or Figure 15～Figure 28 described in Fig. 1～Figure 14
11, the linkage part of following effect can be played：Can be with starting to Figure 13 from Figure 12（Start to Figure 26 from Figure 25）Middle pressure
Friction plate 13 is connect in the range of small angle theta（Counterclockwise）Rotation, make floating wedge part 6 in the opposite direction（Clockwise）
It is mobile, it is pushed out from backoff state（Take out of or pull out）, the design of the linkage part can carry out various changes.
In addition, as described in Figure 29～Figure 41, if there is linkage part to replace swing arm 12 and spring members 16, with from
Figure 39～Figure 40 crimps friction plate 13 in the range of small angle theta（Counterclockwise）Rotation, make floating wedge part 6 in the opposite direction
（Clockwise）It is mobile, it is pushed out from backoff state（Take out of or pull out）, just enough, or can by helical spring or
Scroll spring is combined in swing arm 12, or replaces swing arm 12 with the engagement of a pair of gear or metal wire.
As described above, angle adjustment gold utensil according to the present invention has：；2nd part 2, with gear part 4, its with the 1st
Part 1 is pivotally connected in swingable form；Floating wedge part 6, its one side is provided with the flank of tooth 7 that can be engaged with gear part 4, separately
It is bearing surface 9 that the wedge surface 8 with the 1st part 1 is abutted against on one side；Restoration methods 10：Abut with wedge surface 8 in bearing surface 9,
Under the engagement that simultaneously flank of tooth 7 is engaged with gear part 4, the 1st part 1 and the 2nd part 2 is suppressed relatively to put towards expansion direction B
It is dynamic, also, reach maximum folded position P by the way that the 1st part 1 and the 2nd part 2 are relatively swung towards folding direction A0, it is mobile
Floating wedge part 6 makes the gear part 4 be formed with the flank of tooth 7 and releases the backoff state for engaging away from gear part 4, keeps out of the way at this
Under state, the 1st part 1 of the angle adjustment gold utensil and the 2nd part 2 relatively can swing towards expansion direction B, in the 1st part 1
With the 2nd part 2 from maximum folded position P0Start relatively towards in the way of the expansion action of expansion direction B swings, by towards folding
Folded direction retracts the low-angle of regulation and retracts action M2, floating wedge part 6 can revert to from backoff state and be nibbled with gear part 4
The engagement of conjunction.Because the angle adjustment gold utensil possesses this restoration methods 10, in the 1st part 1 and the 2nd part 2 from maximum folding
Folded position P0Start towards expansion direction B to swing the optional position in way, somewhat retracted towards folding direction A by relative 1st part 1
2nd part 2, floating wedge part 6 can engaging tooth wheel portion 4 exactly, suppress the 1st part 1 and the 2nd part 2 towards expansion direction B's
Swing.That is, after the engaging and be released from of floating wedge part 6 and gear part 4, the 1st part 1 and the 2nd part 2 reach in angulation
180 degree, before forming horizontal development state, can simply keep desired angle of inclination.
In addition, to realize restoration methods 10, the angle adjustment gold utensil has：Crimping friction plate 13, the crimping friction plate 13
Contacted with the extruding of slidable form with the 2nd part 2, while relative 1st part 1 is limited in the scope of the small angle theta of regulation
Interior rotation；Lever part 3, one end 3a of lever part 3 is connected with crimping friction plate 13, is that fulcrum is specifying with middle part
Freely swing in angular range, other end 3b is arranged to that the floating wedge part 6 under backoff state can be pushed；Under backoff state,
In the 1st part 1 and the 2nd part 2 towards M in the expansion action of expansion direction B1, floating wedge part 6 maintains backoff state, also, leads to
Cross towards folding direction A and retract action M2, because the frictional force between the 2nd part 2 is acted on, crimping friction plate 13 is only with regulation
Small angle theta rotation and lever part 3 pushes mobile floating wedge part 6, gear part 4 engage to be formed with the flank of tooth 7 and is engaged shape
State.
In addition, to realize restoration methods 10, the angle adjustment gold utensil has：Crimping friction plate 13, the crimping friction plate 13
Contacted with the extruding of slidable form with the 2nd part 2, while relative 1st part 1 is limited in the scope of the small angle theta of regulation
Interior rotation；Elastics wing part 11, one end 11a of elastics wing part 11 is connected with crimping friction plate 13, is with middle part
Fulcrum freely swings in the angular range of regulation, and other end 11b is arranged to can the elastic floating wedge portion abutted under backoff state
Part 6；Under backoff state, the 1st part 1 and the 2nd part 2 towards expansion direction B expansion action M1In, elastics wing part 11
The other end abutted with the state of non-pushing with floating wedge part 6, it is while the floating wedge part 6 maintains backoff state also, logical
Cross towards folding direction A and retract action M2, have elastics wing part 11 springy and push mobile wedge portion part 6, make gear part 4 with
The engagement of the flank of tooth 7 forms engagement.
In addition, to realize restoration methods 10, the angle adjustment gold utensil has：Crimping friction plate 13, the crimping friction plate 13
Contacted with the extruding of slidable form with the 2nd part 2, while relative 1st part 1 is limited in the scope of the small angle theta of regulation
Interior rotation；Spring members 16, the spring members 16 are abutted and elastic force-applying towards the direction of extruding gear part 4 with floating wedge part 6；
Swing arm 12, one end 12a of swing arm 12 is connected with crimping friction means 13, with middle part as fulcrum O12In the angular range of regulation
Inside freely swing, other end 12b is connected with spring members 16；Under backoff state, in the 1st part 1 and the 2nd part 2 towards expansion
The expansion action M of direction B1In, spring members 16 are maintained the 1st position S by swing arm 121, the maintenance backoff state of floating wedge part 6,
Also, by retracting action M towards folding direction A2, swing arm 12 is by spring members 16 from the 1st position S1To the 2nd position S2It is mobile,
Spring members 16 act on the mobile floating wedge part 6 with while floating wedge 6 sliding contact of part by frictional force, make gear part
4 engage to form engagement with the flank of tooth 7.
Moreover, it relates to acnemia seat there is portions 31 and backrest 32, the company between portions 31 and backrest 32
Socket part position 33 is provided with the angle adjustment gold utensil 30,30 with angle-adjusting mechanism, to adjust the angle of inclination of backrest 32.Angle
Degree adjustment gold utensil 30,30 enables the relative portions 31 of backrest 32 to swing towards standing direction A, also, limits backrest 32 towards the side of toppling over
To the swing of B.Further, by the way that the relative portions 31 of backrest 32 to be formed the final stance T of substantially vertical shape0, limit
It is released from, backrest 32 can be to toppling direction B（Freely）Swing.In addition, in backrest 32 from final stance T0Start to inclining
The expansion action M that the B of falling direction swings1In way, by retracting towards standing direction A the small angle theta of regulation action M is retracted2, direction
The restriction of toppling direction B（Prevention is toppled over）It is resumed, backrest 32 can keep intermediate, inclined posture T1.Therefore, formed in backrest 32
Final stance T0Afterwards, until the angulation of portions 31 and backrest 32 reaches before 180 degree and need not topple over backrest
32, can be by shirtsleeve operation, from final stance T0To position in the way of horizontal development posture, backrest 32 is made exactly
Intermediate, inclined posture T is kept with desired angle1.Therefore, even if sofa is placed in into backrest 32 below with the presence of barrier etc.
Narrow and small field of employment, sofa also can easily and rapidly adjustment angle, reach desired backrest and topple over posture, very just
Profit.
Symbol description
1 the 1st part
2 the 2nd parts
3 lever parts
3a lever parts one end
The 3b lever part other ends
4 gear parts
6 floating wedge parts
7 flank of tooth
8 wedge surfaces
9 bearing surfaces
10 restoration methods
11 elastics wing parts
11a elastics wing parts one end
The 11b elastics wing part other ends
12 swing arms
12a swing arms one end
12b swing arm other ends
13 crimping friction plates
16 spring members
30 angle adjustment gold utensils
31 portions
32 backrests
33 connecting portions
A folding directions（Standing direction）
B expansion directions（Toppling direction）
P0Maximum folded position
M1Expansion action
M2Retract action
θ low-angles
S11st position
S22nd position
T0Final stance
T1Intermediate, inclined posture
O12Fulcrum
Claims (5)
1. a kind of angle adjustment gold utensil, it is characterised in that have：
1st part (1), it has shell portion (23)；
2nd part (2), it has gear part (4), pivotally connected in swingable form with the 1st part (1)；
Floating wedge part (6), its one side is provided with the flank of tooth (7) that can be engaged with the gear part (4), be on another side with
The bearing surface (9) that wedge surface (8) on 1st part (1) side is abutted against；
Restoration methods (10)：Abut with the wedge surface (8) in the bearing surface (9), while the flank of tooth (7) and the gear part
(4) under the engagement of engagement, the 1st part (1) and the 2nd part (2) is suppressed relatively to put towards expansion direction (B)
It is dynamic, also, reach maximum folding by the way that the 1st part (1) and the 2nd part (2) are relatively swung towards folding direction (A)
Folded position (P0), the movement floating wedge part (6) makes the gear part (4) and the flank of tooth away from the gear part (4)
(7) backoff state for releasing engagement, under the backoff state, the 1st part (1) of the angle adjustment gold utensil and described are formed
2nd part (2) relatively can swing towards expansion direction (B), in the 1st part (1) and the 2nd part (2) from the maximum folded
Position (P0) start relatively towards the expansion action (M of expansion direction (B) swing1) way in, by retracting towards folding direction (A)
The low-angle (θ) of regulation retracts action (M2), the floating wedge part (6) can revert to and the gear from backoff state
The engagement of portion (4) engagement.
2. angle adjustment gold utensil as claimed in claim 1, it is characterised in that：
To realize the restoration methods (10), the angle adjustment gold utensil has：Crimping friction plate (13), the crimping friction plate
(13) contacted with the extruding of slidable form with the 2nd part (2), while relatively described 1st part (1) is limited in regulation
Low-angle (θ) in the range of rotate；Lever part (3), lever part (3) one end (3a) crimps friction plate (13) with described
Connection, freely swings by fulcrum of middle part in the angular range of regulation, and the other end (3b) is configured to push described
The floating wedge part (6) under backoff state；Under the backoff state, the 1st part (1) and the 2nd part (2)
(the M towards in the expansion action of expansion direction (B)1), the floating wedge part (6) maintains the backoff state, also, by towards institute
That states folding direction (A) retracts action (M2), because the frictional force between the 2nd part (2) is acted on, the crimping friction
Low-angle (θ) rotation of the plate (13) only to specify, and the lever part (3) pushes the movement floating wedge part (6),
The gear part (4) is set to engage to form engagement with the flank of tooth (7).
3. angle adjustment gold utensil as claimed in claim 1, it is characterised in that：
To realize the restoration methods (10), the angle adjustment gold utensil has：Crimping friction plate (13), the crimping friction plate
(13) contacted with the extruding of slidable form with the 2nd part (2), while relatively described 1st part (1) is limited in regulation
Low-angle (θ) in the range of rotate；Elastics wing part (11), elastics wing part (11) one end (11a) and the pressure
Friction plate (13) connection is connect, is freely swung in the angular range of regulation by fulcrum of middle part, the other end (11b) is arranged to
Flexiblely abut the floating wedge part (6) under the backoff state；Under the backoff state, in the 1st part
(1) and the 2nd part (2) towards expansion direction (B) expansion action (M1) in, the elastics wing part (11) it is described another
One end (11b) is abutted with the floating wedge part (6) with the state of non-pushing, while the floating wedge part (6) remains described
Backoff state, also, by retracting action (M towards the folding direction (A)2), the elastics wing part (11) is with elastic force
The movement floating wedge part (6) is pushed, makes the gear part (4) engage to form engagement with the flank of tooth (7).
4. angle adjustment gold utensil as claimed in claim 1, it is characterised in that：
In to realize the restoration methods (10), the angle adjustment gold utensil has：Crimping friction plate (13), the crimping friction plate
(13) contacted with the extruding of slidable form with the 2nd part (2), while relatively described 1st part (1) is limited in regulation
Low-angle (θ) in the range of rotate；Spring members (16), the spring members (16) are abutted with the floating wedge part (6), and
It is elastic force-applying towards the direction for extruding the gear part (4)；Swing arm (12), swing arm (12) one end (12a) crimps friction with described
Plate (13) connects, (the O with middle part as fulcrum12) freely swing in the angular range of regulation, the other end (12b) and the bullet
Spring part (16) connects；Under the backoff state, in the 1st part (1) and the 2nd part (2) towards expansion direction (B)
Expansion action (M1) in, the spring members (16) are maintained the 1st position (S by the swing arm (12)1), make the floating wedge portion
Part (6) maintains the backoff state, also, by retracting action (M towards the folding direction (A)2), the swing arm (12) will
The spring members (16) are from the 1st position (S1) to the 2nd position (S2) mobile, in the spring members (16) and the floating wedge
During part (6) sliding contact, make the floating wedge part (6) mobile by the effect of frictional force, make the gear part (4) and institute
State the flank of tooth (7) engagement and form engagement.
5. a kind of acnemia seat, it is characterised in that：
With portions (31) and backrest (32), set on the connecting portion (33) between the portions (31) and the backrest (32)
There are the angle adjustment gold utensil (30) as claimed in claim 1 with angle-adjusting mechanism, (30), to adjust the backrest (32)
Angle of inclination, for the angle adjustment gold utensil (30), the acnemia seat of (30), the angle adjustment gold utensil (30),
(30) make the backrest (32) can relatively described portions (31) swing towards standing direction (A), also, limit the backrest (32)
Towards the swing of toppling direction (B)；Further, by the way that the relatively described portions (31) of the backrest (32) are formed into substantially vertical shape
Final stance (T0), the restriction is released from, and the backrest (32) can swing to toppling direction (B)；Lean on described
(32) are carried on the back from the final stance (T0) start to toppling direction (B) swing expansion action (M1) way in, by towards standing
What direction (A) retracted the low-angle (θ) of regulation retracts action (M2), it is resumed towards the restriction of the toppling direction (B), it is described
Backrest (32) can keep intermediate, inclined posture (T1)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013027347A JP5555341B1 (en) | 2013-02-15 | 2013-02-15 | Angle adjustment bracket and seat chair |
| JP2013-027347 | 2013-02-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103989339A CN103989339A (en) | 2014-08-20 |
| CN103989339B true CN103989339B (en) | 2017-05-10 |
Family
ID=49724465
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401139.2A Active CN103989339B (en) | 2013-02-15 | 2013-09-05 | Angle-adjustable hinge and sofa |
| CN201420032529.7U Expired - Fee Related CN203662307U (en) | 2013-02-15 | 2014-01-17 | Angle adjusting armor clamp and legless chair |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032529.7U Expired - Fee Related CN203662307U (en) | 2013-02-15 | 2014-01-17 | Angle adjusting armor clamp and legless chair |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2767188B1 (en) |
| JP (1) | JP5555341B1 (en) |
| CN (2) | CN103989339B (en) |
| ES (1) | ES2546300T3 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5555341B1 (en) * | 2013-02-15 | 2014-07-23 | 直伸 山下 | Angle adjustment bracket and seat chair |
| JP5611416B1 (en) * | 2013-05-20 | 2014-10-22 | 山下 直伸 | Angle adjustment bracket |
| CN104172768B (en) * | 2014-08-28 | 2017-01-11 | 浙江凯帝家具有限公司 | Soft chair with adjustable backrest angle |
| KR101538031B1 (en) * | 2014-12-31 | 2015-07-22 | 허남요 | The chair that have a variable armrest |
| EP3058850B1 (en) * | 2015-02-23 | 2022-03-23 | Koyo Giken Kabushiki Kaisha | Angular adjustment tool and sofa |
| JP6105102B2 (en) * | 2015-02-23 | 2017-03-29 | 向陽技研株式会社 | Angle adjustment bracket and sofa |
| CN106037320A (en) * | 2016-06-24 | 2016-10-26 | 周海梅 | Quickly locked row-seating device |
| CN105996523A (en) * | 2016-06-24 | 2016-10-12 | 周海梅 | Row seat device allowing independent adjustment of sitting posture |
| CN106108446A (en) * | 2016-06-24 | 2016-11-16 | 周海梅 | A kind of novel platoon seat realizing quick lock in |
| DE102017110246A1 (en) | 2017-05-11 | 2018-11-15 | Hettich Franke Gmbh & Co. Kg | Swivel fitting and furniture |
| DE102017110253A1 (en) * | 2017-05-11 | 2018-11-15 | Hettich Franke Gmbh & Co. Kg | Swivel fitting and furniture |
| CN111657704A (en) * | 2019-03-05 | 2020-09-15 | 及桦实业股份有限公司 | Angle adjusting structure for supporting pad of armrest of chair |
| JP6981697B1 (en) * | 2020-10-30 | 2021-12-17 | 向陽技研株式会社 | Angle adjustment metal fittings and chairs and sofas using them |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4418519B1 (en) * | 2009-05-22 | 2010-02-17 | 直伸 山下 | Angle adjustment bracket |
| JP5091362B1 (en) * | 2012-03-21 | 2012-12-05 | 直伸 山下 | Angle adjustment bracket |
| CN203662307U (en) * | 2013-02-15 | 2014-06-25 | 东莞向阳金属制品有限公司 | Angle adjusting armor clamp and legless chair |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3766669B2 (en) * | 2003-08-29 | 2006-04-12 | 直伸 山下 | Angle adjustment bracket |
| JP4519555B2 (en) * | 2004-07-28 | 2010-08-04 | 株式会社ヒカリ | Joint device |
| JP4296223B1 (en) * | 2008-05-23 | 2009-07-15 | 直伸 山下 | Angle adjustment bracket |
| JP5584087B2 (en) * | 2010-10-19 | 2014-09-03 | 向陽技研株式会社 | Angle adjustment bracket for seat and connecting structure for seat |
-
2013
- 2013-02-15 JP JP2013027347A patent/JP5555341B1/en active Active
- 2013-09-05 CN CN201310401139.2A patent/CN103989339B/en active Active
- 2013-11-27 EP EP13194611.3A patent/EP2767188B1/en active Active
- 2013-11-27 ES ES13194611.3T patent/ES2546300T3/en active Active
-
2014
- 2014-01-17 CN CN201420032529.7U patent/CN203662307U/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4418519B1 (en) * | 2009-05-22 | 2010-02-17 | 直伸 山下 | Angle adjustment bracket |
| JP5091362B1 (en) * | 2012-03-21 | 2012-12-05 | 直伸 山下 | Angle adjustment bracket |
| CN203662307U (en) * | 2013-02-15 | 2014-06-25 | 东莞向阳金属制品有限公司 | Angle adjusting armor clamp and legless chair |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2767188A1 (en) | 2014-08-20 |
| CN103989339A (en) | 2014-08-20 |
| CN203662307U (en) | 2014-06-25 |
| EP2767188B1 (en) | 2015-07-15 |
| ES2546300T3 (en) | 2015-09-22 |
| JP5555341B1 (en) | 2014-07-23 |
| JP2014155570A (en) | 2014-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103989339B (en) | Angle-adjustable hinge and sofa | |
| CN2879833Y (en) | Height-adjusting device for children high-legs chair | |
| CN203662361U (en) | Sofa | |
| US6669282B2 (en) | Chair with writing table | |
| CN203662356U (en) | Angle adjusting armor clamp | |
| CN102734614B (en) | Folding display support frame | |
| CN105142976B (en) | Headrest folding apparatus | |
| WO2006096883A3 (en) | Chair with self-adjusting chair back | |
| JP2006230720A (en) | Angle adjusting metal fitting | |
| CN1298129A (en) | Original manuscript pressing plate opening and closing device | |
| CN105902029B (en) | Angle adjusts accessory and sofa | |
| JP2017063809A (en) | Angle adjustment bracket and legless chair | |
| CN101773341B (en) | Improved folding chair capable of transverse contracting | |
| JP4391485B2 (en) | Table chair | |
| TWI258341B (en) | Ash tray with fire extinguishing functions | |
| JP2008013047A (en) | Projecting material housing mechanism in vehicular seat | |
| CN209474138U (en) | Pillow stepless regulation structure and seat | |
| CN215650098U (en) | Adjustable seat | |
| JPS5940849Y2 (en) | Chair | |
| CN112078462B (en) | Hidden cup stand | |
| CN221265663U (en) | Siesta pillow with multi-gear adjusting structure | |
| JPH0420671Y2 (en) | ||
| CN217039277U (en) | Novel hidden folding type desktop book supporting rack | |
| CN208947158U (en) | Can after the automotive headrest that turns over | |
| JP4697015B2 (en) | Tumble mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |