A kind of flexible restoring organ
Technical field
This utility model relates to a kind of leisure chaise longue, particularly relates to a kind of flexible restoring organ for leisure chaise longue.
Background technology
The when of the amusement of people's outdoor leisure indoors, leisure chaise longue is through commonly used;The back rest meeting of general leisure chaise longue
Tilt backwards, to provide optimal relaxed position.
The most a lot of leisure chaise longues are owing to backrest and the man-machine size matching relationship of seat surface are without fastidious, and user is in reclining process
In, backrest particularly Lumbar departs from human body waist, and the two directly forms unsettled gap, causes seat funeral under reclining state
Losing support to human body waist, it is simply that " the race waist " that we are commonly called as, human spine can not get effectively supporting and causes many sittings
Health problem, rest can not well be loosened;Meanwhile, user is during reclining, and buttocks is relatively fixed with seat surface, and
Backrest upwards rubs relative to human body back, causes the discomfort of " clothes is pulled in chopping ", also causes indecency perception.
Ad hoc meter a kind of seat back of the body coordinated type leisure chaise longue, hinged with arm-rest frame by backrest, meanwhile, backrest cuts with scissors with mounting again
Connecing, backrest, when rotating around the pin joint with arm-rest frame, drives again mounting to move forward, and such back and seat surface paste all the time
Close human body, do not produce relative displacement;The human body waist that the lumbar support of chair is fitted always, is prevented effectively from sending out of " race waist " situation
Raw;But typically require increase flexible restoring organ, be easier to it is envisioned that pull mounting to reset by arranging extension spring, but leisure
It is the most roomy that chair is commonly designed, and carrying out resetting by extension spring largely to increase the volume of housing portion, and space is inadequate
Save, make entirety unsightly.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of flexible restoring organ, and it is arranged
In the pin joint position of backrest and arm-rest frame or mounting and the pin joint position of backrest, have employed concealed design, not
Thering is provided restoring force for backrest, mounting motion on the premise of additionally taking up room, even if in the unloaded state, invertible back support can also
Make it reset, make global design more succinct, and save volume.
In order to realize above-mentioned purpose, this utility model have employed following technical scheme:
A kind of flexible restoring organ, described flexible restoring organ includes wind spring, is arranged on respective points of articulation position work
For the steady pin of rotating fulcrum and the projection that is connected with backrest, one end of wind spring is connected with steady pin, the other end of wind spring with
Projection abuts, and drives projection to move and promote wind spring to deform upon and then produce elastic force when backrest rotates.
Flexible restoring organ uses wind spring, is arranged concentrically on pin joint position, for concealed design, designs ingenious, no
Additionally taking up room, backrest promotes wind spring to be deformed when rotating, and produces restoring force.
As preferably, described pin joint position is backrest and the hinge of the pin joint position of arm-rest frame or mounting with backrest
Connecting point position.
As preferably, described pin joint position is the pin joint position of mounting and backrest.
As preferably, the backrest left and right sides is provided with symmetrically arranged L-shaped connecting plate, and described mounting rear end is symmetrically arranged on two with
Two supports, an arm of L-shaped connecting plate is fixedly linked with backrest, and another arm of L-shaped connecting plate is hinged with support, L-shaped connecting plate
The intersection of two-arm is hinged with arm-rest frame.Be connected by L-shaped connecting plate transfer between backrest with arm-rest frame, mounting, facilitate angle,
The arm of force is isoparametric optimizes design, makes backrest and mounting relative rotation center close in the rotating against of human body back and leg
The heart, people is during backrest rises down, and the two forms concentric circular motion.
As preferably, steady pin is arranged at another arm of L-shaped connecting plate and the articulated position of support, and projection is arranged on L
On another arm of shape connecting plate, having slot on steady pin, one end of wind spring is inserted in slot, and the other end of wind spring is formed curved
Hook, described crotch is hooked on projection.Steady pin refers to that itself does not rotates, so that one end of wind spring can be kept to protect
Hold fixing, do not rotate;One end of wind spring is directly clamped among in slot, installs more convenient;And the wind spring other end arranges crotch, it is allowed to
Will not depart from projection.
As preferably, having slot on steady pin, one end of wind spring is inserted in slot, and the other end of wind spring is formed curved
Hook, described crotch is hooked on projection.In like manner, steady pin refers to that itself does not rotates, so that wind spring can be kept
One end keeps fixing, does not rotates;One end of wind spring is directly clamped among in slot, installs more convenient;And the wind spring other end arranges curved
Hook, so it does not depart from projection.
Compared with prior art, design philosophy of the present utility model and providing the benefit that:
Flexible restoring organ of the present utility model mainly uses wind spring to be arranged concentrically on corresponding pin joint position, uses
Concealed design, provides restoring force, even if at Light Condition for backrest, mounting motion on the premise of the most additionally taking up room
Under, invertible back support can also make it reset, and makes global design more succinct, and saves volume.
Accompanying drawing explanation
Fig. 1 is this utility model leisure chaise longue schematic diagram when original state;
Fig. 2 is this utility model leisure chaise longue schematic diagram when backrest reclining state;
Fig. 3 is this utility model leisure chaise longue perspective view when original state;
Fig. 4 is the A portion enlarged drawing of Fig. 3;
Fig. 5 is this utility model leisure chaise longue perspective view when backrest reclining state;
Fig. 6 is the explosive view of this utility model leisure chaise longue;
Fig. 7 is the explosive view of flexible restoring organ;
Fig. 8 is the partial sectional view of flexible restoring organ;
Fig. 9 is the fit structure schematic diagram of damper regulation mechanism and slide bar;
Figure 10 is the partial sectional view that damper regulation mechanism matches with slide bar;
Figure 11 is the explosive view of damper regulation mechanism and slide bar;
Figure 12 is the explosive view of damper regulation mechanism and another angle of slide bar.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation.
First defining the reference azimuth of each parts of this utility model, leisure chaise longue when normally using, is stopped by this utility model
The front of not busy chair is front end, and the rear of leisure chaise longue includes that the region at backrest place is rear end, and people is sitting on leisure chaise longue when leaning on backward,
Backrest rotates and drives mounting to move to leisure chaise longue front.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in this utility model.
Flexible restoring organ of the present utility model is the important component part of leisure chaise longue, and the one as shown in Fig. 1~Fig. 8 is stopped
Not busy chair, it is also possible to be referred to as a kind of leisure seat tool, including backrest 1, mounting 4 and the arm-rest frame 2 of mounting 4 both sides, two arm-rest frames 2
Being connected by chair body bracing frame 3, described backrest 1 left and right sides is hinged with two arm-rest frames 2 respectively, and both sides, mounting 4 rear end are respectively
Hinged with backrest 1 left and right sides, backrest 1 is different with the pin joint position of backrest 1 from the pin joint of arm-rest frame 2 and mounting 4, mounting
4 are in the lower section of backrest 1 and the pin joint of arm-rest frame 2 with the pin joint position of backrest 1, described described mounting 4 relative to
Horizontal plane is arranged and height rear end, mounting 4 front end is low, and mounting 4 front end is slidably connected again while being rotationally connected with arm-rest frame 2,
Mounting 4 is driven to travel forward and lifted mounting 4 rear end, in the pin joint position of backrest 1 with arm-rest frame 2 when backrest 1 rotates backward
Put or the pin joint position of mounting 4 and backrest 1 is provided with flexible restoring organ 6.
Specifically, the L-shaped connecting plate 10 being symmetricly set on backrest 1 left and right sides, both sides, described mounting 4 rear end are also included
Being arranged with two supports 8, an arm 16 of L-shaped connecting plate 10 is fixedly linked with backrest 1, another arm 17 of L-shaped connecting plate 10 with
Support 8 is hinged, and the intersection 18 of L-shaped connecting plate 10 two-arm is hinged with arm-rest frame 2 rear end.
As shown in Fig. 6,7,8, described flexible restoring organ 6 is arranged on the pin joint position of mounting 4 and backrest 1, also
Just it is provided at another arm 17 and support 8 articulated position of L-shaped connecting plate 10, as shown in Figure 7, Figure 8, flexible restoring organ 6
Including wind spring 12, it is arranged at another arm 17 of L-shaped connecting plate 10 and support 8 articulated position and as the steady pin of rotating fulcrum
19 and the projection 20 that is connected with backrest 1, specifically, projection 20 is fixedly installed on another arm 17 of L-shaped connecting plate 10;Volume
One end of spring 12 is connected with steady pin 19, and the other end of wind spring 12 abuts with projection 20, drives projection 20 to promote when backrest 1 rotates
Wind spring 12 deforms upon and then produces elastic force;Further saying, having slot 21 on steady pin 19, one end of wind spring 12 is inserted in
In slot, the other end of wind spring 12 forms crotch 22, and described crotch 22 is hooked on projection 20;Spiral shell is passed through in the end of steady pin 19
Female 13 and R pins 14 lock;For avoiding rubbing between metal, it is respectively provided with a plastic spacer 9 in wind spring 12 both sides, support 8 is provided with
Limiting backrest 1 rotational angle or the spacing gain 23 of mounting 4 movement travel, projection 20 is plugged in spacing gain 23 simultaneously.
As shown in Fig. 2,3,5, it is respectively provided with a slide bar 7 being inclined relative to horizontal setting in mounting 4 down either side, holds up
Connect in hand cradle 2 and have the damper regulation mechanism 5 for slide bar 7 is supported and regulates slide bar 7 force of sliding friction.Before slide bar 7
End is fixedly linked with mounting 4, is fixedly linked with mounting 4 after slide bar 7 rear end bending.
As shown in figs. 9 to 12, described damper regulation mechanism 5 includes regulating drive link the 24, first fixture block the 26, second fixture block
27 and the fixed support 28 of playing a supporting role damper regulation mechanism 5 and slide bar 7, one end of regulation drive link 24 is with tune
Joint handle 25, fixed support 28 is connected with arm-rest frame 2, and first fixture block the 26, second fixture block 27 is sheathed on fixed support 28, slide bar
7 are arranged between first fixture block the 26, second fixture block 27, and the relative medial surface of first fixture block the 26, second fixture block 27 be provided with
The chute 29 that slide bar 7 coordinates, regulation drive link 24 other end connects after fixed support the 28, first fixture block the 26, second fixture block 27
Being connected to regulation 30, regulation 30 and regulation drive link 24 synchronous axial system, regulation drive link 24 other end is flat, and regulation 30
The mounting groove 31 being correspondingly provided with and regulate drive link 24 other end shape, size matches, regulation drive link 24 other end is inserted in
Mounting groove 31 is interior and is screwed, and regulation 30 rotates and then oppress the second fixture block 27 towards a direction makes first, second folder
Block 26,27 clamps slide bar 7, and regulation 30 rotates in the opposite direction, makes first, second fixture block 26,27 unclamp.
Specifically, fixed support 28 and slide bar 7 are for being vertically arranged, and described fixed support 28 is the sleeve pipe of hollow, and
Sleeve pipe is divided into extra heavy pipe 32 and tubule 33 two sections, extra heavy pipe 32 to form step 34 with the intersection of tubule 33, and the first fixture block 26, second presss from both sides
Block 27 is set on tubule 33, and the first fixture block 26 offsets with step 34.
Further say, on the lateral surface of the second fixture block 27 with regulation 30 locating piece 35 coordinated, locating piece 35
This one side relative with regulation 30 is provided with the multiple positioning steps 36 being distributed twist from shallow to deep, regulation 30 tool
Having spiral end face 37 and be provided with the boss 38 coordinated with positioning step 36 on spiral end face 37, regulation 30 rotation makes convex
Platform 38 snaps in corresponding positioning step 36.
One end of first, second fixture block 26,27 is connected by screw, sets between the other end of first, second fixture block 26,27
There is stage clip 39.
Being arranged with lining 40 on slide bar 7, described lining 40 is stuck between first fixture block the 26, second fixture block 27, and lining
Overlap 40 outer walls and be provided with the breach 41 running through whole lining 40 arranged along lining 40 length direction;When lining 40 is by the second folder
When block 27 extrudes, it may occur that shrink, increase the cladding dynamics to slide bar 7.
During backrest 1 reclining backward, mounting 4 and slide bar 7 move forward, and mounting 4 rear end is lifted up simultaneously so that mounting 4
And slide bar 7 front end produces low-angle rotation, first, second fixture block 26,27 and regulation 30, regulation drive link 24 is driven to carry out
Synchronous axial system, because rotational angle is less herein, does not the most affect the positioning step 36 location to boss 38.
Above content described in this specification is only to this utility model example explanation.This utility model
Described specific embodiment can be made various amendment or supplements or use class by person of ordinary skill in the field
As mode substitute, without departing from the content of this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.