CN203662307U - Angle adjusting armor clamp and legless chair - Google Patents
Angle adjusting armor clamp and legless chair Download PDFInfo
- Publication number
- CN203662307U CN203662307U CN201420032529.7U CN201420032529U CN203662307U CN 203662307 U CN203662307 U CN 203662307U CN 201420032529 U CN201420032529 U CN 201420032529U CN 203662307 U CN203662307 U CN 203662307U
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- floating wedge
- swing
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- 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
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- 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
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- 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
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- 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
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- 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
The utility model provides an angle adjusting armor clamp enabling a backrest to simply restore to the swinging limit state at any position in the process of swinging from the maximum folding position to the horizontal unfolding state and being capable of quickly and smoothly conducting angle adjustment. The angle adjusting armor clamp comprises a first part 1, a second part 2 with a gear portion 4 and in pivoting connection with the first part 1 in a swinging mode and a floating wedge part 6. A tooth face 7 capable of being meshed with the gear portion 4 is arranged on one side of the floating wedge part 6, and an abutting connection face 9 in abutting connection with a wedge face 8 on the side of the first part 1 is arranged on the other side. A restoring method 10 includes that the first part 1 and the second part 2 are restrained to swing towards a folding direction B oppositely in the state that the abutting connection face 9 is in abutting connection with the wedge face 8 and meanwhile the tooth face 7 is meshed with the gear portion 4, the first part 1 and the second part 2 swing towards a folding direction A oppositely to achieve the maximum folding position, the floating wedge part 6 is moved to leave the gear portion 4 to enable the gear portion 4 and the tooth face 7 to form the retreating state relieving meshing, the first part 1 and the second part 2 of the angle adjusting armor clamp can swing towards the unfolding direction B oppositely in the retreating state, and the floating wedge part 6 can be restored from the retreating state to be meshing state that the floating part 6 is meshed with the gear portion 4 through the pull back action M2 that the regulated small angle theta is pulled back in the folding direction A in the process of the unfolding action M1 that the first part 1 and the second part 2 swing in the unfolding direction B oppositely from the maximum folding position P0.
Description
Technical field
The utility model relates to angle adjustment gold utensil and acnemia seat.
Background technology
For example, as shown in the stereogram of Figure 42, there is the acnemia seat of a portion 31 and backrest 32, between backrest 32 and seat portion 31, be provided with the joint gold utensil (angle adjustment gold utensil) with angle-adjusting mechanism, to adjust the angle of inclination of backrest 32.
All the time, the applicant has proposed to set arbitrarily the angle adjustment gold utensil (referring to Patent Document 1) of angulation between the 1st parts of a portion 31 sides and the 2nd parts of backrest 32 sides.
In angle adjustment gold utensil described in patent documentation 1, the 2nd parts can swing towards folding direction by relative the 1st parts, and the multistage limit its swing towards expansion direction, make it keep desirable angle of inclination.
No. 5091362 communique of [patent documentation 1] Japan Patent
Traditional angle adjustment gold utensil has gear part and the floating wedge parts be located on the 2nd parts, this floating wedge parts one side is provided with the flank of tooth that can engage with gear part, in another side side, be the bearing surface connecting with the wedge surface of the 1st parts, limit the swing of relative the 1st parts of the 2nd parts towards toppling direction by the wedging action of these floating wedge parts.The 1st parts and the 2nd parts during in maximum folded position angulation be approximately 90 while spending, the engagement of floating wedge parts and gear part is disengaged, above-mentioned wedging action lost efficacy, the 2nd parts can freely swing towards expansion direction.
But, be disengaged from the engagement of floating wedge parts and gear part, the wedging action of floating wedge parts lost efficacy and started, until the 1st parts and the 2nd parts angulation reach 180 degree, till forming horizontal development state state, the wedging action of floating wedge parts all cannot recover.Have enough spaces if do not guarantee after the backrest of the acnemia seat in Figure 29, backrest cannot be launched into level, has to seat portion to lift by force and to launch, use not convenient, also trouble very of operation.
Utility model content
The purpose of this utility model is to provide a kind of backrest that can make to swing on the optional position way and all can recover simply to swing restriction state to horizontal development state starting from maximum folded position, rapidly and successfully carry out the angle adjustment gold utensil of angle adjustment.
The angle adjustment gold utensil that the utility model relates to has: the 1st parts, the 2nd parts, it has gear part, and pivotally connected with swingable form with the 1st parts, floating wedge parts, one side is provided with the flank of tooth that can engage with said gear portion, in another side side for the side of above-mentioned the 1st parts on the bearing surface that connects of wedge surface, at above-mentioned bearing surface and above-mentioned wedge surface butt, under the engagement that the above-mentioned flank of tooth engages with said gear portion simultaneously, above-mentioned the 1st parts and above-mentioned the 2nd parts are relatively suppressed towards the swing of expansion direction, and, above-mentioned the 1st parts and above-mentioned the 2nd parts can relatively swing and reach maximum folded position towards folding direction, above-mentioned floating wedge parts are subject to the movement can be away from said gear portion, this gear part and the above-mentioned flank of tooth are formed and remove the state of keeping out of the way engaging, keep out of the way under state above-mentioned, above-mentioned the 1st parts and above-mentioned the 2nd parts of this angle adjustment gold utensil can relatively swing towards expansion direction, also being included in above-mentioned the 1st parts and above-mentioned the 2nd parts starts the way of the expansion action relatively swinging towards expansion direction from above-mentioned maximum folded position, low-anglely retract action by what retract regulation towards folding direction, make the above-mentioned floating wedge parts can be from the above-mentioned recovery device that reverts to the engagement engaging with said gear portion state of keeping out of the way.
In addition, for realizing above-mentioned restoration methods, above-mentioned recovery device has: crimping friction plate, and this crimping friction plate and above-mentioned the 2nd parts contacts with form extruding slidably, and the while rotates in the 1st parts are limited in the low-angle scope of afore mentioned rules; Lever part, this lever part one end is connected with above-mentioned crimping friction plate, freely swings in the low-angle scope of regulation taking middle part as fulcrum, and the other end is arranged to push the above-mentioned above-mentioned floating wedge parts of keeping out of the way under state; Keep out of the way under state above-mentioned, at above-mentioned the 1st parts and above-mentioned the 2nd parts in the expansion action of expansion direction, above-mentioned floating wedge parts maintain the above-mentioned state of keeping out of the way, and, by the above-mentioned action that retracts towards folding direction, above-mentioned crimping friction plate due to and above-mentioned the 2nd parts between frictional force effect, only with the small angle rotation of afore mentioned rules, and the mobile above-mentioned floating wedge parts of above-mentioned lever part pushing, make said gear portion and above-mentioned flank engagement form engagement.
In addition, for realizing above-mentioned restoration methods, above-mentioned recovery device has: crimping friction plate, and this crimping friction plate and above-mentioned the 2nd parts contacts with form extruding slidably, and the while rotates in the 1st parts are limited in the low-angle scope of afore mentioned rules; Elastics wing parts, this elastics wing parts one end is connected with above-mentioned crimping friction plate, freely swings in the low-angle scope of regulation taking middle part as fulcrum, and the other end is arranged to and the above-mentioned above-mentioned floating wedge parts elasticity butt of keeping out of the way under state; Above-mentioned keeping out of the way under state, at above-mentioned the 1st parts and above-mentioned the 2nd parts in the expansion action of expansion direction, the above-mentioned other end of above-mentioned elastics wing parts and above-mentioned floating wedge parts are with the state butt of non-pushing, these floating wedge parts maintain the above-mentioned state of keeping out of the way simultaneously, and, by the above-mentioned action that retracts towards folding direction, above-mentioned elastics wing parts, with the mobile above-mentioned floating wedge parts of elastic force pushing, make said gear portion and above-mentioned flank engagement form engagement.
In addition, for realizing above-mentioned restoration methods, above-mentioned recovery device has: crimping friction plate, and this crimping friction plate and above-mentioned the 2nd parts contacts with form extruding slidably, and the while rotates in the 1st parts are limited in the low-angle scope of afore mentioned rules; Spring members, this spring members and above-mentioned floating wedge parts butt, and towards the direction elastic force-applying that pushes said gear portion; Swing arm, this swing arm one end is connected with above-mentioned crimping friction means, freely swings in the angular range of regulation taking middle part as fulcrum, and the other end is connected with above-mentioned spring members; Above-mentioned keeping out of the way under state, at above-mentioned the 1st parts and above-mentioned the 2nd parts in the expansion action of expansion direction, above-mentioned spring members is maintained the 1st position by above-mentioned swing arm, above-mentioned floating wedge parts are maintained and keep out of the way state, and, by the action that retracts towards above-mentioned folding direction, above-mentioned swing arm is moved from the 1st position above-mentioned spring members to the 2nd position, in the time of above-mentioned spring members and above-mentioned floating wedge parts sliding-contact, by frictional force effect, these floating wedge parts are moved, make said gear portion and above-mentioned flank engagement form engagement.
In addition, the acnemia seat that the utility model relates to has a portion and backrest, and the connecting portion between above-mentioned seat portion and above-mentioned backrest is provided with the angle adjustment gold utensil with angle-adjusting mechanism, to adjust the angle of inclination of described backrest.For the acnemia seat with this angle adjustment gold utensil, above-mentioned angle adjustment gold utensil make above-mentioned backrest can be relatively above-mentioned seat portion swing towards the direction of standing, and, limiting above-mentioned backrest swings towards toppling direction, further, by the relatively above-mentioned seat of above-mentioned backrest portion being formed to the final stance of substantially vertical shape, above-mentioned restriction is disengaged, and above-mentioned backrest can swing to toppling direction.Start from above-mentioned final stance at above-mentioned backrest the way of the expansion action swinging to toppling direction, retracted and specified the low-angle action that retracts by court the direction of standing, be resumed towards the restriction of above-mentioned toppling direction, above-mentioned backrest can keep intermediate, inclined posture.
About angle adjustment gold utensil of the present utility model, start from maximum folded position to swing the optional position way towards expansion direction at the 1st parts and the 2nd parts, retract a little the 2nd parts by (relative the 1st parts) towards folding direction, floating wedge parts are meshing gear portion exactly, suppresses the swing towards expansion direction of the 1st parts and the 2nd parts.That is, after floating wedge parts are disengaged with engaging of gear part, reach 180 degree at the 1st parts and the 2nd parts angulation, before forming horizontal development state, the 1st parts and the 2nd parts can keep desirable angle of inclination simply.
In addition, about acnemia seat of the present utility model, after backrest forms final stance, the angulation of present portion and backrest reaches 180 degree, before forming horizontal development state, do not need to topple over backrest, the way from final stance to horizontal development posture, can make backrest keep intermediate, inclined posture with desirable angle exactly by shirtsleeve operation.Therefore,, even sofa is placed in after backrest and has (narrow and small) places such as barrier existence, also can easily adjust sofa is that desirable backrest is toppled over posture, very convenient.
Brief description of the drawings
Fig. 1 is the exploded perspective view of explanation a kind of embodiment of the present utility model.
Fig. 2 is the stereogram that the assembling of angle adjustment gold utensil of the present utility model is used state.
Fig. 3 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 4 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 5 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 6 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 7 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 8 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Fig. 9 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 10 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 11 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 12 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 13 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 14 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 15 is the exploded perspective view of explanation other embodiments of the present utility model.
Figure 16 is the significant points stereogram that omits the 1st parts and cover.
Figure 17 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 18 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 19 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 20 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 21 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 22 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 23 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 24 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 25 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 26 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 27 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 28 is the explanation schematic diagram of elastics wing parts.
Figure 29 is the exploded perspective view of explanation other embodiments of the present utility model.
Figure 30 is the significant points stereogram omitting under the assembling use state of the 1st parts and cover.
Figure 32 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 33 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 34 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 35 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 36 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 37 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 38 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 39 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 40 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 41 is the significant points sectional view of explanation angle adjustment gold utensil of the present utility model.
Figure 42 is the stereogram of explanation acnemia seat of the present utility model.
Detailed description of the invention
Below, the schematic diagram based on embodiment is elaborated to the utility model.
For example, as shown in the stereogram of Figure 42, having in the acnemia seat of a portion 31 and backrest 32, connecting portion between present portion 31 and backrest 32 is provided with angle adjustment gold utensil of the present utility model, so that adjust the angle of inclination of backrest 32, this angle adjustment gold utensil, as the joint gold utensil (connection gold utensil) of Connection Block portion 31 and backrest 32, has angle-regulation structure.This angle adjustment gold utensil 30, except can be used for acnemia seat, also can be used for, in sofa, bed, oblique chair etc., for Connection Block portion and backrest, or using as the joint gold utensil of headrest or toe board.
As shown in FIG. 1 to 3, angle adjustment gold utensil of the present utility model has the 1st parts and has the 2nd parts of gear part 4, and both are with can be around the 1st axle center C
1the form swinging is pivotally connected, also has floating wedge parts 6, and one side is provided with the flank of tooth 7 that can engage with gear part 4, in another side side for the 1st parts side on the bearing surface 9 that connects of wedge surface.
As shown in Figure 4, at bearing surface 9 and wedge surface 8 butts of these floating wedge parts 6, under the engagement that the flank of tooth 7 engages with gear part 4 simultaneously, inhibition (prevention) the 1st parts 1 and the 2nd parts 2 are relatively towards the swing of expansion direction B.Therefore, as shown in figure 10, by the 1st parts 1 and the 2nd parts 2 are relatively swung and reach maximum folded position P towards folding direction A
0, mobile floating wedge parts 6 make it to leave gear part 4, make the engagement releasing of gear part 4 and the flank of tooth 7, form and keep out of the way state, and under this keeps out of the way state, the 1st parts 1 and the 2nd parts 2 can relatively freely swing towards expansion direction B.
The 1st parts 1 have shell portion 23 and installation position cylindraceous 18, and a pair of relative wall portion 17,17 is contained in shell portion 23.The relative wall of the 23(of shell portion portion 17,17) be provided with through hole 21 and wedged window portion 5, through hole 21 is for inserting pivot 24, and wedged window portion 5 can receive floating wedge parts 6 wherein movably.With the 1st axle center C
1centered by one side, it is circular-arc wedge surface 8 that wedged window portion 5 has lateral surface.Wedged window portion 5 also has the space of keeping out of the way that holds the floating wedge parts 6 that leave under gear part 4 states.
The 2nd parts 2 have two pieces of gear boards 45,45 that are parallel to each other and installation position cylindraceous 19.With the 1st axle center C
1centered by the circular-arc neighboring of gear board 45,45 on, for example, central angle is to be made into gear part 4 in the scope of 100 °～120 °.The two places engagement on the width of left and right of floating wedge parts 6 and gear part 4, and whole teeth of the flank of tooth 7 engage with gear part 4 simultaneously.Head end position and the distal portion of gear part 4 are provided with protruding part 14,14. Gear board 45,45 is provided with the dead eye 22 that can insert pivot 24.In addition, the flank of tooth 7 of floating wedge parts 6 is provided with 13～20 pieces of teeth, and gear part 4 is provided with 40 pieces of above teeth, is more preferably provided with 45～65 pieces of teeth.Thereby the progression of angle adjustment can reach more than 40 grades.
In addition, the 1st parts 1 are provided with floating wedge parts 6 and connect, the spring members 16 to gear part 4 along press direction elastic force-applying.
The restoration methods 10 of angle adjustment gold utensil of the present utility model is as follows: at the 1st parts 1 and the 2nd parts 2 from maximum folded position P
0start the expansion action M relatively swinging towards expansion direction B
1way in, by retract towards folding direction A regulation small angle theta retract action M
2, floating wedge parts 6 can revert to the engagement engaging with gear part 4 from keep out of the way state.
In a kind of embodiment shown in Fig. 1～Figure 14, for realizing restoration methods 10, above-mentioned angle adjustment gold utensil has recovery device: crimping friction plate 13, this crimping friction plate 13 and the 2nd parts 2 are with slidably and have the form extruding of minimal friction contact, and rotate in the 1st parts 1 are limited in the scope of the small angle theta specifying; Lever part 3, this lever part 3 one end 3a are connected (can small angle oscillation ground pivotally connected) with crimping friction plate 13, take middle part as fulcrum 42, in the angular range of regulation, can freely swing, other end 3b can push the floating wedge parts 6 of keeping out of the way under state simultaneously.
In keeping out of the way under state as shown in Figure 10～Figure 12, the expansion action M at the 1st parts 1 and the 2nd parts 2 towards expansion direction B
1in, (other end 3b of lever part 3 is maintained at the non-pushing position V that does not push floating wedge parts 6
1) floating wedge parts 6 maintain and keep out of the way state.As shown in figure 13, by move M towards retracting of folding direction A
2, due to and the 2nd parts 2 between frictional force, crimping friction plate 13 only can rotate with the small angle theta of regulation, meanwhile, lever part 3(other end 3b pushing floating wedge parts 6, make it to pushing position V
2mobile) (upward) pushing mobile floating wedge parts 6, gear part 4 is engaged with the flank of tooth 7 and form engagement.
The central authorities of crimping friction plate 13 are provided with the pivot hole 25 for inserting pivot 24, and the outstanding tab 43 that forms in a part for neighboring connects and is provided with slotted hole 29 on tab 43.In addition, in crimping friction plate 13 left and right sides, there is a pair of outstanding sliding- contact protuberance 26,26, and there is the sheet position 27,27,27 of the mutual bending multi-disc sliding-contact of direction to the left and right.
Under assembling use state, crimping friction plate 13 inserts the gear board 45 of the 2nd parts 2, in 45 inner surface and face contact, formative gear board 45,45 pack the relative wall portion 17 of the 1st parts 1 into, 17(shell portion 23) and the state clamped, pivot 24 is inserted to shell portion 23, pivotally connected the 1st parts the 1, the 2nd parts 2 and crimping friction plate 13.The latch parts 28 that are fixed on the 1st parts 1 are inserted in the slotted hole 29 of crimping friction plate 13, and crimping friction plate 13 can rotate centered by the 1st axle center C in the scope of the small angle theta specifying.
In addition, also have the cover 20 of the shell portion 23 of parcel the 1st parts 1, this cover 20 is resinous.
Cover 20 is to be made up of the 20C of the lid top wall portion one of the top of the parts such as the bottom wall part 20A of the lower surface of covering the 1st parts 1 and the 2nd parts 2, the side wall portion 20B that covers left and right side and covering floating wedge parts 6, by thering is patchhole 39,39 metal locking part 35, is fixed on the 1st parts 1.A part of the 20C of lid top wall portion is made the slit-shaped openings position 36 that the 2nd parts 2 can enter in the time that folding direction A swings, and the both sides of the edge of this opening 36 are provided with the laminar obturator 37 that also can widen with the 2nd parts sliding-contact.The side, two ends of side wall portion 20B and floating wedge parts 6 connects and even close contact, prevents that floating wedge parts 6 from coming off, and be provided with hole portion 38 on the position of corresponding through hole 21.Under the state that locking part 35 surrounds shape and covers at the shell portion 23 tegmentum parts 20 of the 1st parts 1, there is elastic force and insert and be installed on side wall portion 20B, and, pivot 24 inserts patchhole 39 with the form of bunchiness, 39, hole portion 38, dead eye 22, pivot hole 25 and dead eye 22, pivotally connected the 1st parts the 1, the 2nd parts 2 and cover 20 and locking part 35.In addition, flexible tongue piece 40 also can be set on bottom wall part 20A, this flexible tongue piece 40 can separate and swing up and down with side wall portion 20B.
Using method (effect) to above-mentioned angle adjustment gold utensil of the present utility model describes.
Under engagement as shown in Figure 4, the flank of tooth 7 of floating wedge parts 6 engages with gear part 4, and, bearing surface 9 and wedge surface 8 connect (even if being subject to the 2nd parts along expansion direction B externally applied forces), by the wedging action of floating wedge parts 6, restriction (prevention) the 1st parts 1 and the 2nd parts 2 are relatively towards the swing of expansion direction B.
Secondly, as shown in Figure 5, carry out the jackknife action M that the 1st parts 1 and the 2nd parts 2 are relatively swung towards folding direction A if start
0, floating wedge parts 6 will slightly move downwards in wedged window portion 5, and bearing surface 9 leaves wedge surface 8, produces small space d.In this case, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 rotates towards arrow N direction (counter-clockwise direction of figure).By one end of latch parts 28 butt slotted holes 29, the rotation of crimping friction plate 13 stops.
As shown in Figures 6 and 7, if the 2nd parts 2 are further swung towards folding direction A, due to space d, the flank of tooth 7 of floating wedge parts 6 will leave gear part 4, cross gear part 4 when the flank of tooth 7 makes a sound gear part 4 click clicks.
As shown in Figure 8, at jackknife action M
0in way, due to the wedging action of floating wedge parts 6, even if relative the 1st parts 1 of the 2nd parts 2 are swung towards expansion direction B, also can be limited towards the swing of expansion direction B, maintain the angle of inclination of (fixing maintenance) the 1st parts 1 and the 2nd parts 2.
Therefore,, in Fig. 9, continue jackknife action M
0if the flank of tooth 7 is crossed gear part 4 repeatedly, arrive gear part 4 ends, protruding part 14 is by the upper end of butt floating wedge parts 6.
As shown in figure 10, under the state of protruding part 14 and floating wedge parts 6 butts, by the 1st parts and the 2nd parts 2 are swung towards folding direction A again, reach maximum folded position P
0, (being depressed by protruding part 14) floating wedge parts 6 wedged window portion 5 interior towards below move, be received into and keep out of the way in space 15, the flank of tooth 7 leaves gear part 4, this is called as keeps out of the way state.In the case, the other end 3b of lever part 3 is pushed by the lower end of floating wedge parts 6, centered by fulcrum 42, swings, and declines.The state of this lever part 3 is non-pushing position V
1.By lever part 3 at non-pushing position V
1the swing at place, one end 3a of lever part 3 applies moment of torsion to crimping friction plate 13, and crimping friction plate 13 is rotated within the scope of small angle theta along arrow R direction (clockwise direction of figure).In addition, stop moving after the bottom surface butt of the lower end of floating wedge parts 6 and wedged window portion 5, the 2nd parts 2 are reaching maximum folded position P
0afterwards, do not continue to swing towards folding direction A.
This is kept out of the way under state, and floating wedge parts 6 are received into keeps out of the way space 15, and gear part 4 is disengaged with engaging of the flank of tooth 7.Therefore.Locking (restriction) towards expansion direction B is disengaged, and the 1st parts 1 and the 2nd parts 2 can relatively swing (free state) towards expansion direction B.
Secondly, as shown in figure 11, carry out the expansion action M that the 2nd parts 2 are swung towards expansion direction B if start
1, crimping friction plate 13 is the frictional force effect (along arrow R direction) being subject between the gear board 45,45 of the left and right of the 2nd parts 2, the other end butt by latch parts 28 with slotted hole 29, and crimping friction plate 13 stops operating., lever part 3 is maintained at non-pushing position V
1.Therefore, the expansion action M towards expansion direction B at the 1st parts 1 and the 2nd parts 2
1in, the other end 3b of lever part 3 can not push floating wedge parts 6 to top, and floating wedge parts 6 maintain keeps out of the way state.
As shown in figure 12, keep out of the way under state, the wedging action of floating wedge parts 6 lost efficacy, and the 2nd parts 2 can freely swing towards expansion direction B by relative the 1st parts 1, are deployed into angle of inclination arbitrarily.
In Figure 13, the 2nd parts 2 are from maximum folded position P
0start to swing and (launch action M to expansion direction
1) until in the way of horizontal development state, if carry out towards folding direction A retract regulation small angle theta retract action M
2, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 rotates towards arrow N direction (counter clockwise direction of figure).One end 3a of lever part 3 is crimped friction plate 13 and pushes, the lower end (it is pushed upward) of other end 3b pushing floating wedge parts 6.So, lever part 3 is along with the rotation of crimping friction plate 13 is from non-pushing position V
1move to pushing position V
2.Lever part 3 is released floating wedge parts 6 from keep out of the way space 15, and it is moved upward.Floating wedge parts 6 are pushed out from keep out of the way space 15, make the flank of tooth 7 form with gear part 4 engagement (recovery) engaging.
In Figure 14, the same with Fig. 4, the flank of tooth 7 in floating wedge parts 6 engages with gear part 4, and the engagement of bearing surface 9 and wedge surface 8 butts, and the wedging action of floating wedge parts 6 recovers, from maximum folded position P
0till the intermediate, inclined position of horizontal development state can be limited (prevention) the 1st parts 1 and the 2nd parts 2 and relatively be swung towards expansion direction B.
Below, Figure 15～Figure 28 has shown other embodiments of angle adjustment gold utensil of the present utility model.
In Figure 15～Figure 28, for realizing restoration methods 10, above-mentioned angle adjustment gold utensil has recovery device: crimping friction plate 13, this crimping friction plate 13 and the 2nd parts 2 are with form slidably and contact with small frictional force extruding, rotate in the 1st parts 1 are limited in the scope of the small angle theta specifying simultaneously; Elastics wing parts 11, these elastics wing parts 11 one end 11a and crimping friction plate 13(are pivotally connected with form that can Small-angle Rotation) be connected, take middle part as fulcrum 42, in the angular range of regulation, freely swing, and other end 11b with keep out of the way the flexiblely butt of floating wedge parts 6 under state.
In keeping out of the way under state shown in Figure 23～Figure 25, the expansion action M at the 1st parts 1 and the 2nd parts 2 towards expansion direction B
1in, the other end 11b of elastics wing parts 11 and floating wedge parts 6 are butt under non-pushing state, and meanwhile, floating wedge parts 6 maintain keeps out of the way state.As shown in figure 26, by move M towards retracting of folding direction A
2, elastics wing parts 11 are with elastic force by floating wedge parts 6(upward) push and move, the engagement that formative gear portion 4 engages with the flank of tooth 7.
The central authorities of crimping friction plate 13 are provided with the pivot hole 25 for inserting pivot 24, and the outstanding tab 43 that forms in a part for neighboring connects and is provided with slotted hole 29 on tab 43.In crimping friction plate 13 left and right sides, there is a pair of outstanding sliding- contact protuberance 26,26, and there is the sheet position 27,27,27 of the mutual bending multi-disc sliding-contact of direction to the left and right.
Under assembling use state, crimping friction plate 13 inserts the gear board 45 of the 2nd parts 2, in 45 inner surface and face contact, formative gear board 45,45 pack the relative wall portion 17 of the 1st parts 1 into, 17(shell portion 23) and the state clamped, pivot 24 is inserted to shell portion 23, pivotally connected the 1st parts the 1, the 2nd parts 2 and crimping friction plate 13.The latch parts 28 that are fixed on the 1st parts 1 are inserted in the slotted hole 29 of crimping friction plate 13, and crimping friction plate 13 can rotate centered by the 1st axle center C in the scope of the small angle theta specifying.
In addition, also have the cover 20 of the shell portion 23 of parcel the 1st parts 1, this cover 20 is resinous.
Cover 20 is to be made up of the 20C of the lid top wall portion one of the top of the parts such as the bottom wall part 20A of the lower surface of covering the 1st parts 1 and the 2nd parts 2, the side wall portion 20B that covers left and right side and covering floating wedge parts 6, by thering is patchhole 39,39 metal locking part 35, is fixed on the 1st parts 1.A part of the 20C of lid top wall portion is made the slit-shaped openings position 36 that the 2nd parts 2 can enter in the time that folding direction A swings, and the both sides of the edge of this opening 36 are provided with the laminar obturator 37 that also can widen with the 2nd parts sliding-contact.The side, two ends of side wall portion 20B and floating wedge parts 6 connects and even close contact, prevents that floating wedge parts 6 from coming off, and be provided with hole portion 38 on the position of corresponding through hole 21.Locking part 35 surrounds at the shell portion 23 tegmentum parts 20 of the 1st parts 1 under the state of shape covering, there is elastic force and insert and be installed on side wall portion 20B, and, pivot 24 inserts patchhole 39 with the form of bunchiness, 39, hole portion 38, dead eye 22, pivot hole 25 and dead eye 22, pivotally connected the 1st parts the 1, the 2nd parts 2 and cover 20 and locking part 35.In addition, bottom wall part 20A also can arrange flexible tongue piece 40, and this flexible tongue piece 40 can separate and swing up and down with side wall portion 20B.
Using method (effect) to angle adjustment gold utensil of the present utility model as shown in Figure 17～Figure 28 describes.
Under engagement as shown in figure 17, the flank of tooth 7 of floating wedge parts 6 engages with gear part 4, and, bearing surface 9 and wedge surface 8 butts (even if being subject to the 2nd parts along expansion direction B externally applied forces), by the wedging action of floating wedge parts 6, restriction (prevention) the 1st parts 1 and the 2nd parts 2 are relatively towards the swing of expansion direction B.
Secondly, as shown in figure 18, carry out the jackknife action M that the 1st parts 1 and the 2nd parts 2 are relatively swung towards folding direction A if start
0, floating wedge parts 6 will slightly move downwards in wedged window portion 5, and bearing surface 9 leaves wedge surface 8, produces small space d.In the case, due to and the 2nd parts 2 between the effect of frictional force, crimping friction plate 13 rotates towards arrow N direction (counter-clockwise direction in figure).By one end of latch parts 28 butt slotted holes 29, the rotation of crimping friction plate 13 stops.
As shown in Figure 19 and Figure 20, if the 2nd parts 2 are further swung towards folding direction A, due to space d, the flank of tooth 7 of floating wedge parts 6 will leave gear part 4, cross gear part 4 when the flank of tooth 7 makes a sound gear part 4 click clicks.
As shown in figure 21, at jackknife action M
0way in, due to the wedging action of floating wedge parts 6, even if relative the 1st parts 1 of the 2nd parts 2 are swung towards expansion direction B, also can be limited towards the swing of expansion direction B, maintain the angle of inclination of (fixing keep) the 1st parts 1 and the 2nd parts 2.
Therefore, in Figure 22, if continue jackknife action M
0, the flank of tooth 7 is crossed gear part 4 repeatedly, arrives gear part 4 ends, and protruding part 14 is by the upper end of butt floating wedge parts 6.
As shown in figure 23, under the state of protruding part 14 and floating wedge parts 6 butts, by the 1st parts 1 and the 2nd parts 2 are continued to swing and reach maximum folded position P to folding direction A
0, floating wedge parts 6 move downwards in wedged window portion 5, are kept out of the way space 15 to receive wherein, and the flank of tooth 7 leaves gear part 4, forms and keeps out of the way state.In this case, the other end of elastics wing parts 11 pushes the lower end of floating wedge parts 6 and strain occurs.The bottom surface butt of the lower end of floating wedge parts 6 and wedged window portion 5 also stops moving, and the 2nd parts 2 are at maximum folded position P
0do not continue afterwards to swing towards folding direction A.
Under this keeps out of the way state, floating wedge parts 6 are received into keeps out of the way space 15, and gear part 4 is disengaged with engaging of the flank of tooth 7.Therefore.Locking (restriction) towards expansion direction B is disengaged, and the 1st parts 1 and the 2nd parts 2 can relatively swing (free state) towards expansion direction B.
Secondly, as shown in figure 24, carry out the expansion action M that the 2nd parts 2 are swung towards expansion direction B if start
1, crimping friction plate 13, by the frictional force effect being subject between the gear board 45,45 of the left and right of the 2nd parts 2, rotates within the scope of small angle theta along arrow R direction (clockwise direction of figure).Other end butt by latch parts 28 with slotted hole 29, crimping friction plate 13 stops operating.Due to floating wedge parts 6, one end 11a of the elastics wing parts 11 of bending (strain) is along with the rotation of crimping friction plate 13 is picked up, lost its bounce., the other end 11b of elastics wing parts 11 and the lower end of floating wedge parts 6 butt under non-pushing state.Therefore, the expansion action M towards expansion direction B at the 1st parts 1 and the 2nd parts 2
1in, the other end 11b of elastics wing parts 11 can not push floating wedge parts 6 to top, and floating wedge parts 6 maintain keeps out of the way state.
As shown in figure 25, keeping out of the way under state, the wedging action of floating wedge parts 6 lost efficacy, and the 2nd parts 2 can freely swing towards expansion direction B by relative the 1st parts 1, are deployed into angle of inclination arbitrarily.
In Figure 26, the 2nd parts 2 are from maximum folded position P
0start to swing and (launch action M to expansion direction
1) until in the way of horizontal development state, if carry out towards folding direction A retract regulation small angle theta retract action M
2, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 rotates towards arrow N direction (counter clockwise direction of figure).Meanwhile, the other end 11b of elastics wing parts 11, with the lower end of elastic force pushing floating wedge parts 6, releases floating wedge parts 6 from keep out of the way space 15, and it is moved upward.Floating wedge parts 6 are pushed out from keep out of the way space 15, the flank of tooth 7 is engaged with gear part 4 and form engagement (recovery).
In Figure 27, the same with Figure 17, the flank of tooth 7 in floating wedge parts 6 engages with gear part 4, and the engagement of bearing surface 9 and wedge surface 8 butts, and the wedging action of floating wedge parts 6 recovers, from maximum folded position P
0till the intermediate, inclined position of horizontal development state can be limited (prevention) the 1st parts 1 and the 2nd parts 2 and relatively be swung towards expansion direction B.
As shown in figure 28, elastics wing parts 11 keep the free state (solid line) without pushing force effect in Figure 18～Figure 22.In Figure 23, one end 11a of elastics wing parts 11 is supported in position originally, and other end 11b is pushed towards below.Secondly, in Figure 24, when other end 11b bears pushing force, one end 11a is lifted upward, and (two point chain-dotted line) looses elastic force.Therefore,, in Figure 26, by depressing one end 11a, other end 11b, towards top perk, makes floating wedge parts 6(from keeping out of the way space 15) be moved upward.
Below, Figure 29～Figure 41 has shown other embodiments of angle adjustment gold utensil of the present utility model.
In Figure 29～Figure 41, for realizing restoration methods 10, above-mentioned angle adjustment gold utensil has recovery device: crimping friction plate 13, this crimping friction plate 13 and the 2nd parts 2 are with form slidably and contact with small frictional force extruding, and the while rotates in the 1st parts 1 are limited in the scope of small angle theta of upper regulation; Spring members 16, this spring members 16 and floating wedge parts 6 butts and the direction elastic force-applying along pushing gear portion 4; Swing arm 12, one end 12a of this swing arm 12 is connected with crimping friction plate 13, freely swings in the low-angle scope of regulation taking middle part as fulcrum, and meanwhile, other end 12b is connected with spring members 16.In addition, 34 expressions are as the pivot of the fulcrum of the middle part of swing arm 12.
Other structure is identical with above-mentioned embodiment, and description will be omitted.
In keeping out of the way under state shown in Figure 37～Figure 39, the expansion action M at the 1st parts 1 and the 2nd parts 2 towards expansion direction B
1in, spring members 16 is held in the 1st position S by swing arm 12
1, floating wedge parts 6 maintain keeps out of the way state.As shown in figure 40, by move M towards retracting of folding direction A
2, swing arm 12 by spring members 16 from the 1st position S
1move to the 2nd position S
2, spring members 16 is with 6 sliding-contacts of floating wedge parts and move floating wedge parts 6 by frictional force effect, makes gear part 4 and the flank of tooth 7 form engagement.In legend, spring members 16 is to become the spring wire of elongate rectangular shape to make by Bending Processing, one end (lower end) of this spring members 16 is pivotally connected with the other end 12b of swing arm 12, often the bearing surface 9 of Relative Floating wedge parts 6 bend to arc and with its Elastic Contact, and, the one edge tail 1E butt slidably near of the other end (upper end) of spring members 16 and the upper opening position of the 1st parts 1, is subject to flexible reaction force with above-mentioned bow action.
Should illustrate, spring members 16 also can be the leaf spring (omitting diagram) that rectangular-shaped metallic plate is made.The pivot hole 25 for inserting pivot 24 is made by crimping friction plate 13 central authorities, and connects and be provided with slotted hole 29 on tab 43.And, in crimping friction plate 13 left and right sides, there is a pair of outstanding sliding- contact protuberance 26,26, and there is the mutual bending multi-disc sliding friction sheet position 27 of direction to the left and right, the embodiment of 27(and front Fig. 1～Figure 14 having addressed is basic identical).
Under assembling use state, the gear board 45 of crimping friction plate 13 and the 2nd parts 2,45 inner surface face contact is also inserted wherein, formative gear board 45,45 pack the relative wall portion 17 of the 1st parts 1 into, 17(shell portion 23) and the state clamped, pivot 24 is inserted to shell portion 23, pivotally connected the 1st parts the 1, the 2nd parts 2 and crimping friction plate 13.The latch parts 28 that are fixed on the 1st parts 1 are inserted in the slotted hole 29 of crimping friction plate 13, and crimping friction plate 13 can rotate centered by the 1st axle center C in the scope of the small angle theta specifying.
Using method (effect) to the angle adjustment gold utensil as shown in Figure 31～Figure 41 describes.
Under the engagement shown in Figure 31, the flank of tooth 7 of floating wedge parts 6 engages with gear part 4, and, bearing surface 9 and wedge surface 8 butts, even (being subject to the 2nd parts along expansion direction B externally applied forces) by the wedging action of floating wedge parts 6, restriction (prevention) the 1st parts 1 and the 2nd parts 2 are relatively towards the swing of expansion direction B.
Secondly, shown in figure 32, carry out the jackknife action M that the 1st parts 1 and the 2nd parts 2 are relatively swung towards folding direction A if start
0, floating wedge parts 6 will slightly move downwards wedged window portion 5 is interior, and bearing surface 9 leaves wedge surface 8, forms small space d.In this case, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 rotates to arrow N direction (counter clockwise direction of figure).Connect by latch parts 28 and slotted hole 29 one end, crimping friction plate 13 stops operating.
As shown in Figure 33 and Figure 34, if the 2nd parts 2 are further swung towards folding direction A, due to space d, the flank of tooth 7 of floating wedge parts 6 will leave gear part 4, cross gear part 4 when the flank of tooth 7 makes a sound gear part 4 click clicks.
As shown in figure 35, at jackknife action M
0way in, due to the wedging action of floating wedge parts 6, even if relative the 1st parts 1 of the 2nd parts 2 are swung towards expansion direction B, also can be limited towards the swing of expansion direction B, maintain the angle of inclination of (fixing keep) the 1st parts 1 and the 2nd parts 2.
Therefore, in Figure 36, if continue jackknife action M
0, the flank of tooth 7 is crossed gear part 4 repeatedly, arrives gear part 4 ends, and protruding part 14 is by the upper end of butt floating wedge parts 6.
As shown in figure 37, under the state of protruding part 14 and floating wedge parts 6 butts, by the 1st parts and the 2nd parts 2 are further swung and reach maximum folded position P towards folding direction A
0, floating wedge parts 6 will move downwards in wedged window portion 5, be received by being kept out of the way space 15, switch to the flank of tooth 7 and leave the state of keeping out of the way of gear part 4.
Under this keeps out of the way state, floating wedge parts 6 are incorporated in keeps out of the way space 15, and gear part 4 is disengaged with engaging of the flank of tooth 7.Therefore, remove towards the locking (restriction) of expansion direction B, the 1st parts 1 and the 2nd parts 2 can relatively swing (free state) to expansion direction B.
Secondly, as shown in figure 38, carry out the expansion action M that the 2nd parts 2 are swung towards expansion direction B if start
1, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 will rotate along arrow R direction (clockwise direction of figure) within the scope of small angle theta.By the other end of latch parts 28 butt slotted holes 29, crimping friction plate 13 stops operating.The leave behind lower end of spring members 16 of the other end 12b of swing arm 12, makes it remain on the 1st position S
1.Therefore, the expansion action M towards expansion direction B at the 1st parts 1 and the 2nd parts 2
1in, floating wedge parts 6 maintain keeps out of the way state.
As shown in figure 39, keep out of the way under state, the wedging action of floating wedge parts 6 lost efficacy, and the 2nd parts 2 can freely swing towards expansion direction B by relative the 1st parts 1, are expanded to angle of inclination arbitrarily.
In Figure 40, at the 2nd parts 2 from maximum folded position P
0start to swing and (launch action M towards expansion direction B
1) until in the way of horizontal development state, if carry out towards folding direction A retract regulation small angle theta retract action M
2, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 can rotate towards arrow N direction (counter clockwise direction of figure).Along with the rotation of this crimping friction plate 13, thus the other end 12b of swing arm 12 rise pushing spring members 16, by spring members 16 from the 1st position S
1move to the 2nd position S
2.When spring members 16 and 6 sliding-contact of floating wedge parts, by frictional force, floating wedge parts 6 are released from keep out of the way space 15 to (pull-out), it is moved upward.Floating wedge parts 6 are released (pull-out) from keep out of the way space 15, the flank of tooth 7 is engaged with gear part 4 and form engagement (recovery).
Same with Figure 31 in Figure 41, the flank of tooth 7 in floating wedge parts 6 engages with gear part 4, and the engagement of bearing surface 9 and wedge surface 8 butts, and the wedging action of floating wedge parts 6 recovers, (from maximum folded position P
0till horizontal development state) intermediate, inclined position, can limit (prevention) the 1st parts 1 and the 2nd parts 2 and relatively swing towards expansion direction B.
As shown in figure 42, about above-mentioned angle adjustment gold utensil of the present utility model, acnemia seat has a portion 31 and backrest 32, and the connecting portion 33 between present portion 31 and backrest 32 is provided with the angle adjustment gold utensil 30 with angle-adjusting mechanism, 30, to adjust the angle of inclination of backrest 32.Angle adjustment gold utensil 30,30 make backrest 32 relatively seat portion 31 swing towards the direction A that stands, and restriction backrest 32 is towards the swing of toppling direction B.Further, by 32 relative portions of backrest 31 being formed to the final stance T of substantially vertical shape
0, restriction is disengaged, and backrest 32 can be free to toppling direction B() swing.In addition, at backrest 32 from final stance T
0start the expansion action M swinging to toppling direction B
1way in, by court stand direction A retract regulation small angle theta retract move M
2, being resumed towards the restriction (prevention is toppled over) of toppling direction B, backrest 32 can keep intermediate, inclined posture T
1.
In addition, although omitted diagram, angle adjustment gold utensil 30 can be used for, for example, on sofa or bed, the way of moving in the expansion that the swing position of headrest or leg rest portion etc. is swung from final stance to toppling direction, that stands by court that direction retracts regulation low-anglely retracts action, can recover the locking (prevention is toppled over) towards toppling direction, keep swinging the intermediate, inclined posture at position, very convenient.
This angle adjustment gold utensil is used in the situation of sofa or bed, because concentrating on headrest or toe board etc., people's body weight locates, the situation that frame parts has been born excessive external force occurs repeatedly, therefore the frame parts generation plastic deformation of headrest or toe board etc. much to the situation of toppling direction bending.There are the following problems for the angle adjustment gold utensil in past: due to frame parts generation plastic deformation, if will not rest the head on or toe board etc. continues to tilt on horizontal development posture, can become and cannot recover towards the locking (prevention is toppled over) of toppling direction.
Even if angle adjustment gold utensil of the present utility model is for sofa or bed in the situation that, just can restore locking (prevention is toppled over) owing to headrest or toe board etc. need not being poured onto to horizontal development posture, even frame parts generation plastic deformation towards toppling direction bending, also can, by launching to move on the way, headrest or toe board being retracted towards the direction of standing, make it keep intermediate, inclined posture.
Should illustrate, design of the present utility model can be changed.For example, in the situation that there is no wedged window portion 5, can replace by the sheet like part of the bearing surface 9 of pushing floating wedge parts 6.And the design of case member 20 or dimension scale are also variable.
Have especially, if as the elastics wing parts 11 in the lever part 3 described in Fig. 1～Figure 14 or Figure 15～Figure 28, can bring into play the linkage part of following effect: can be along with starting from Figure 12 to the rotation of (counterclockwise) within the scope of small angle theta of crimping friction plate 13 Figure 13 (starting to Figure 26 from Figure 25), make floating wedge parts 6 (clockwise) movement in the opposite direction, from keep out of the way state, be pushed out (take out of or pull out), the design of this linkage part can be carried out various changes.
In addition, described in Figure 29～Figure 41, if there is linkage part can replace swing arm 12 and spring members 16, along with from Figure 39～Figure 40 crimping friction plate 13 rotation of (counterclockwise) within the scope of small angle theta, make floating wedge parts 6 (clockwise) movement in the opposite direction, from keep out of the way state, be pushed out (take out of or pull out), just enough, or helical spring or scroll spring can be combined in swing arm 12, or replace swing arm 12 with engagement or the metal wire of a pair of gear.
As mentioned above, the angle adjustment gold utensil that the utility model relates to has:; The 2nd parts 2, have gear part 4, and itself and the 1st parts 1 are pivotally connected with swingable form; Floating wedge parts 6, one side is provided with the flank of tooth 7 that can engage with gear part 4, for the bearing surface 9 that connects with the wedge surface 8 of the 1st parts 1 on another side; Restoration methods 10: at bearing surface 9 and wedge surface 8 butts, under the engagement that the flank of tooth 7 engages with gear part 4 simultaneously, suppress the 1st parts 1 and the 2nd parts 2 and relatively swing towards expansion direction B, and, by the 1st parts 1 and the 2nd parts 2 are relatively swung and reach maximum folded position P towards folding direction A
0mobile floating wedge parts 6 are away from gear part 4, make this gear part 4 and the flank of tooth 7 form the state of keeping out of the way engaging of removing, under this keeps out of the way state, the 1st parts 1 of this angle adjustment gold utensil and the 2nd parts 2 can be relatively swing towards expansion direction B, at the 1st parts 1 and the 2nd parts 2 from maximum folded position P
0start in the way of the expansion action relatively swinging towards expansion direction B, by retract the low-angle action M that retracts of regulation towards folding direction
2, floating wedge parts 6 can revert to the engagement engaging with gear part 4 from keep out of the way state.Because this angle adjustment gold utensil possesses this restoration methods 10, at the 1st parts 1 and the 2nd parts 2 from maximum folded position P
0start to swing the optional position in way towards expansion direction B, retract a little the 2nd parts 2 by relative the 1st parts 1 towards folding direction A, floating wedge parts 6 are meshing gear portion 4 exactly, suppresses the swing towards expansion direction B of the 1st parts 1 and the 2nd parts 2.That is, after floating wedge parts 6 are disengaged with engaging of gear part 4, the 1st parts 1 and the 2nd parts 2 reach 180 degree at angulation, before forming horizontal development state, can keep simply desirable angle of inclination.
In addition, for realizing restoration methods 10, this angle adjustment gold utensil has recovery device: crimping friction plate 13, and this crimping friction plate 13 and the 2nd parts 2 contacts with form extruding slidably, rotate in the 1st parts 1 are limited in the scope of the small angle theta specifying simultaneously; Lever part 3, this lever part 3 one end 3a are connected with crimping friction plate 13, freely swing in the angular range of regulation taking middle part as fulcrum, and other end 3b is arranged to push the floating wedge parts 6 of keeping out of the way under state; Keeping out of the way under state, at the 1st parts 1 and the 2nd parts 2 towards M in the expansion action of expansion direction B
1, floating wedge parts 6 maintain keeps out of the way state, and, by move M towards retracting of folding direction A
2, due to and the 2nd parts 2 between frictional force effect, crimping friction plate 13 only pushes mobile floating wedge parts 6 with small angle theta rotation and the lever part 3 of regulation, makes gear part 4 engage formation engagement with the flank of tooth 7.
In addition, for realizing restoration methods 10, this angle adjustment gold utensil has recovery device: crimping friction plate 13, and this crimping friction plate 13 and the 2nd parts 2 contacts with form extruding slidably, rotate in the 1st parts 1 are limited in the scope of the small angle theta specifying simultaneously; Elastics wing parts 11, these elastics wing parts 11 one end 11a are connected with crimping friction plate 13, freely swing in the angular range of regulation taking middle part as fulcrum, and other end 11b is arranged to keep out of the way the floating wedge parts 6 under state by elasticity butt; Keeping out of the way under state the expansion action M at the 1st parts 1 and the 2nd parts 2 towards expansion direction B
1in, the other end of elastics wing parts 11 and floating wedge parts 6 are with the state butt of non-pushing, and these floating wedge parts 6 maintain and keep out of the way state simultaneously, and, by move M towards retracting of folding direction A
2, tool elastics wing parts 11 springy push mobile wedge parts 6, gear part 4 is engaged with the flank of tooth 7 and form engagement.
In addition, for realizing restoration methods 10, this angle adjustment gold utensil has recovery device: crimping friction plate 13, and this crimping friction plate 13 and the 2nd parts 2 contacts with form extruding slidably, rotate in the 1st parts 1 are limited in the scope of the small angle theta specifying simultaneously; Spring members 16, this spring members 16 is with floating wedge parts 6 butts and towards the direction elastic force-applying that pushes gear part 4; Swing arm 12, this swing arm 12 one end 12a are connected with crimping friction means 13, take middle part as fulcrum O
12in the angular range of regulation, freely swing, other end 12b is connected with spring members 16; Keeping out of the way under state the expansion action M at the 1st parts 1 and the 2nd parts 2 towards expansion direction B
1in, spring members 16 is maintained the 1st position S by swing arm 12
1, floating wedge parts 6 maintain keeps out of the way state, and, by move M towards retracting of folding direction A
2, swing arm 12 by spring members 16 from the 1st position S
1to the 2nd position S
2mobile, when spring members 16 and 6 sliding-contact of floating wedge parts, move this floating wedge parts 6 by frictional force effect, gear part 4 is engaged with the flank of tooth 7 and form engagement.
In addition, the acnemia seat that the utility model relates to has a portion 31 and backrest 32, and the connecting portion 33 between present portion 31 and backrest 32 is provided with the angle adjustment gold utensil 30,30 with angle-adjusting mechanism, to adjust the angle of inclination of backrest 32.Angle adjustment gold utensil 30,30 make backrest 32 relatively seat portion 31 swing towards the direction A that stands, and restriction backrest 32 is towards the swing of toppling direction B.Further, by 32 relative portions of backrest 31 being formed to the final stance T of substantially vertical shape
0, restriction is disengaged, and backrest 32 can be free to toppling direction B() swing.In addition, at backrest 32 from final stance T
0start the expansion action M swinging to toppling direction B
1way in, by court stand direction A retract regulation small angle theta retract move M
2, being resumed towards the restriction (prevention is toppled over) of toppling direction B, backrest 32 can keep intermediate, inclined posture T
1.Therefore, form final stance T at backrest 32
0afterwards, until reaching, the angulation of seat portion 31 and backrest 32 do not need to topple over backrest 32 before 180 degree, can be by shirtsleeve operation, and from final stance T
0to position in the way of horizontal development posture, make backrest 32 keep intermediate, inclined posture T with desirable angle exactly
1.Therefore, have the narrow and small fields of employment such as barrier existence below even sofa is placed in to backrest 32, sofa also can easily and promptly be adjusted angle, reaches desirable backrest to topple over posture, very convenient.
Symbol description
1 the 1st parts
2 the 2nd parts
3 lever parts
3a lever part one end
The 3b lever part other end
4 gear part
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 parts other end
12 swing arms
12a swing arm one end
The 12b swing arm other end
13 crimping friction plates
16 spring members
30 angle adjustment gold utensils
31 portions
32 backrests
33 connecting portions
A folding direction (direction of standing)
B expansion direction (toppling direction)
P
0maximum folded position
M
1launch action
M
2retract action
θ low-angle
S
1the 1st position
S
2the 2nd position
T
0final stance
T
1intermediate, inclined posture
O
12fulcrum.
Claims (5)
1. an angle adjustment gold utensil, is characterized in that having:
The 1st parts (1);
The 2nd parts (2), it has gear part (4), pivotally connected with swingable form with the 1st parts (1);
Floating wedge parts (6), one side is provided with the flank of tooth (7) that can engage with described gear part (4), on another side for the 1st parts (1) side on the bearing surface (9) that connects of wedge surface (8);
Described bearing surface (9) and described wedge surface (8) butt, under the engagement that the described flank of tooth (7) engages with described gear part (4) simultaneously, described the 1st parts (1) and described the 2nd parts (2) are relatively suppressed towards the swing of expansion direction (B), and described the 1st parts (1) and described the 2nd parts (2) can relatively swing and reach maximum folded position (P towards folding direction (A)
0), described floating wedge parts (6) are subject to the movement can be away from described gear part (4), this gear part (4) and the described flank of tooth (7) are formed and remove the state of keeping out of the way engaging, keep out of the way under state described, described the 1st parts (1) and described the 2nd parts (2) of this angle adjustment gold utensil can relatively swing towards expansion direction (B);
Also be included in the 1st parts (1) and the 2nd parts (2) from described maximum folded position (P
0) start the expansion action (M that relatively swings towards expansion direction (B)
1) way in, by retract towards folding direction (A) regulation low-angle (θ) retract action (M
2), make described floating wedge parts (6) from keep out of the way state, revert to the recovery device of the engagement engaging with described gear part (4).
2. angle adjustment gold utensil as claimed in claim 1, is characterized in that:
Described recovery device comprises: crimping friction plate (13), and this crimping friction plate (13) and described the 2nd parts (2) contacts with form extruding slidably, rotate in described the 1st parts (1) are limited in the scope of the low-angle (θ) specifying simultaneously; Lever part (3), this lever part (3) one end (3a) is connected with described crimping friction plate (13), freely swing in the angular range of regulation taking middle part as fulcrum, described in the other end (3b) is configured to push, keep out of the way the described floating wedge parts (6) under state.
3. angle adjustment gold utensil as claimed in claim 1, is characterized in that:
Described recovery device comprises: crimping friction plate (13), and this crimping friction plate (13) and described the 2nd parts (2) contacts with form extruding slidably, rotate in described the 1st parts (1) are limited in the scope of the low-angle (θ) specifying simultaneously; Elastics wing parts (11), these elastics wing parts (11) one end (11a) are connected with described crimping friction plate (13), freely swing in the angular range of regulation taking middle part as fulcrum, the other end (11b) is arranged to flexiblely to keep out of the way the described floating wedge parts (6) under state described in butt.
4. angle adjustment gold utensil as claimed in claim 1, is characterized in that:
Described recovery device comprises: crimping friction plate (13), and this crimping friction plate (13) and described the 2nd parts (2) contacts with form extruding slidably, rotate in described the 1st parts (1) are limited in the scope of the low-angle (θ) specifying simultaneously; Spring members (16), this spring members (16) and described floating wedge parts (6) butt, and towards the direction elastic force-applying that pushes described gear part (4); Swing arm (12), this swing arm (12) one end (12a) is connected with described crimping friction means (13), take middle part as fulcrum (O
12) in the angular range of regulation, freely swing, the other end (12b) is connected with described spring members (16).
5. an acnemia seat, is characterized in that:
There is a portion (31) and backrest (32), on the connecting portion (33) between described seat portion (31) and described backrest (32), be provided with the angle adjustment gold utensil (30) with angle-adjusting mechanism, (30), to adjust the angle of inclination of described backrest (32), for thering is this angle adjustment gold utensil (30), (30) acnemia seat, described angle adjustment gold utensil (30), (30) described backrest (32) can relatively described seat portion (31) be swung towards the direction (A) of standing, and, limit the swing of described backrest (32) towards toppling direction (B); Further, by described backrest (32) relatively described seat portion (31) being formed to the final stance (T of substantially vertical shape
0), described restriction is disengaged, and described backrest (32) can swing to toppling direction (B); At described backrest (32) from described final stance (T
0) start the expansion action (M that swings to toppling direction (B)
1) in way, by court stand direction (A) retract regulation low-angle (θ) retract action (M
2), being resumed towards the restriction of described toppling direction (B), described backrest (32) can keep intermediate, inclined posture (T
1).
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN203662307U true CN203662307U (en) | 2014-06-25 |
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 Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401139.2A Active CN103989339B (en) | 2013-02-15 | 2013-09-05 | Angle-adjustable hinge and sofa |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2767188B1 (en) |
| JP (1) | JP5555341B1 (en) |
| CN (2) | CN103989339B (en) |
| ES (1) | ES2546300T3 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103989339A (en) * | 2013-02-15 | 2014-08-20 | 东莞向阳金属制品有限公司 | Angle-adjustable hinge and sofa |
| KR101538031B1 (en) * | 2014-12-31 | 2015-07-22 | 허남요 | The chair that have a variable armrest |
| CN105902029A (en) * | 2015-02-23 | 2016-08-31 | 东莞向阳金属制品有限公司 | Angular adjustment tool and sofa |
| CN105996523A (en) * | 2016-06-24 | 2016-10-12 | 周海梅 | Row seat device allowing independent adjustment of sitting posture |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
Family Cites Families (7)
| 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 |
| JP4418519B1 (en) * | 2009-05-22 | 2010-02-17 | 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 |
| JP5091362B1 (en) * | 2012-03-21 | 2012-12-05 | 直伸 山下 | Angle adjustment bracket |
| JP5555341B1 (en) * | 2013-02-15 | 2014-07-23 | 直伸 山下 | Angle adjustment bracket and seat chair |
-
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
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103989339A (en) * | 2013-02-15 | 2014-08-20 | 东莞向阳金属制品有限公司 | Angle-adjustable hinge and sofa |
| CN103989339B (en) * | 2013-02-15 | 2017-05-10 | 东莞向阳金属制品有限公司 | Angle-adjustable hinge and sofa |
| KR101538031B1 (en) * | 2014-12-31 | 2015-07-22 | 허남요 | The chair that have a variable armrest |
| CN105902029A (en) * | 2015-02-23 | 2016-08-31 | 东莞向阳金属制品有限公司 | Angular adjustment tool and sofa |
| CN105996523A (en) * | 2016-06-24 | 2016-10-12 | 周海梅 | Row seat device allowing independent adjustment of sitting posture |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5555341B1 (en) | 2014-07-23 |
| CN103989339A (en) | 2014-08-20 |
| CN103989339B (en) | 2017-05-10 |
| ES2546300T3 (en) | 2015-09-22 |
| JP2014155570A (en) | 2014-08-28 |
| EP2767188B1 (en) | 2015-07-15 |
| EP2767188A1 (en) | 2014-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20200117 |