CN109770610A - The headrest Lumbar extending apparatus of function sofa - Google Patents
The headrest Lumbar extending apparatus of function sofa Download PDFInfo
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- CN109770610A CN109770610A CN201910245060.2A CN201910245060A CN109770610A CN 109770610 A CN109770610 A CN 109770610A CN 201910245060 A CN201910245060 A CN 201910245060A CN 109770610 A CN109770610 A CN 109770610A
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Abstract
The invention belongs to function Frame of sofa technical fields, more particularly to the headrest Lumbar extending apparatus of function sofa, including mounting framework, the headrest assemblies being flexibly connected by shaft of resting the head on mounting framework front end, the Lumbar component being connect by Lumbar shaft with mounting framework back end activity, and headrest extension means, Lumbar extension means, mounting framework includes two sides side plate, connecting plate between both side plate, connecting plate and side sheet room connect the spacing between realizing both side plate by regulating mechanism and adjust, shaft of resting the head on is equipped with headrest push plate, the output end connection headrest push plate of headrest extension means, the end of headrest extension means passes through headrest supporting plate and the activity of Lumbar shaft, Lumbar shaft is equipped with Lumbar push plate, the output end of Lumbar extension means connects Lumbar push plate, the end of Lumbar extension means is flexibly connected by Lumbar supporting plate with headrest shaft, width can It adjusts, thickness is low, is easily installed use, and it is versatile, there is pinch resistant functionality, structure is simple, reduces cost.
Description
Technical field
The invention belongs to function Frame of sofa technical fields, and in particular to the headrest Lumbar extending apparatus of function sofa.
Background technique
In order to improve comfort, function sofa has the function of every adjustment, it can be achieved that cushion, Lumbar, headrest etc. are multiple
The adjustment at position, the adjustment that the adjustment at each position all relies on the adjustable support skeleton inside sofa is realized, can adjust branch
Support bone frame is generally Electronic control, because adjustable support skeleton is installed on inside sofa, the knot of adjustable support skeleton
There is mutual logic relationship between structure size and sofa configuration, this logic relationship can influence the size of sofa, service performance
Deng.
For example, realizing the electronic extending apparatus of headrest Lumbar that sofa Lumbar, headrest are adjusted, it is mounted on inside sofa, controls
The stretching, extension adjustment of sofa headrest, Lumbar, the headrest electronic extending apparatus of Lumbar are the combinations of various mechanical parts, generally comprise bone
The headrest stretching, extension control of frame, the movable headrest assemblies in skeleton front end, the Lumbar component of skeleton back end activity, driving headrest component movement
Mechanism processed drives the Lumbar of Lumbar component movement to stretch control mechanism, and headrest stretching, extension control mechanism, Lumbar stretch control mechanism one
As be fixed on skeleton, corresponding position needs to be arranged fixed headrest stretching, extension control mechanism on skeleton, Lumbar stretching, extension control mechanism is consolidated
Fixed board, so that the structure of the headrest electronic extending apparatus of Lumbar is excessively complicated, whole thickness is big, and occupancy sofa inner space is big,
Also, the width of the existing headrest electronic extending apparatus of Lumbar is non-adjustable, so that a kind of electronic extending apparatus of headrest Lumbar can only
It is applicable in a kind of sofa of model, poor universality, what is used is at high cost.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing drawbacks, provide the headrest Lumbar of function sofa stretching, extension dress
It sets, width is adjustable, and thickness is low, is easily installed use, has pinch resistant functionality, versatile, structure is simple, reduces cost.
It is as follows that the technical scheme adopted by the invention to solve the technical problem:
The headrest Lumbar extending apparatus of function sofa, including mounting framework, by headrest shaft and mounting framework front end work
The headrest assemblies of dynamic connection, the Lumbar component being connect by Lumbar shaft with mounting framework back end activity, and driving headrest assemblies
Stretching, extension headrest extension means, driving Lumbar component stretching, extension Lumbar extension means, the mounting framework include two sides side plate,
Connecting plate between both side plate, connecting plate and side sheet room by regulating mechanism connect realize both side plate between spacing adjust, headrest shaft with
Side plate front end is flexibly connected, and Lumbar shaft is connect with side plate back end activity, and headrest shaft is equipped with a headrest push plate, headrest stretching, extension
The output end connection headrest push plate of mechanism pushes headrest shaft to rotate the stretching, extension for realizing headrest assemblies, the end for extension means of resting the head on
The installation realized to headrest extension assembly is flexibly connected with Lumbar shaft by headrest supporting plate, Lumbar shaft is equipped with a Lumbar and pushes away
Plate, the output end connection Lumbar push plate of Lumbar extension means push the stretching, extension of Lumbar shaft rotation realization Lumbar component, and Lumbar is stretched
The end of exhibition mechanism is flexibly connected the installation for realizing Lumbar extension assembly by Lumbar supporting plate with shaft of resting the head on, and the function is husky
The thickness of the headrest Lumbar extending apparatus of hair is no more than 8.5cm, and the headrest extension means, Lumbar extension means are anti-pinch
Extension means.
Further, the side plate is " several " shape structure, and side plate plate body is equipped with multiple connecting holes, the front and back two of side plate
End is bent to form the interconnecting piece of connection headrest assemblies or Lumbar component inwardly, and the plate body in the middle part of side plate is equipped with the company of connection connecting plate
Ear connecting plate, the regulating mechanism are the connection bolt being arranged in connection otic placode, the end mating connection bolt of connecting plate
Adjustment hole, connection bolt lock the adjustment for realizing two sides spacing between plates at the different location of adjustment hole.
Further, the output end of the headrest extension means is flexibly connected with headrest push plate, extension means of resting the head on
End is flexibly connected with headrest supporting plate, and headrest supporting plate rotatably cooperates with Lumbar shaft, the output end and waist of Lumbar extension means
It is flexibly connected by push plate, end and the Lumbar supporting plate of Lumbar extension means rotatably cooperate.
Further, the headrest supporting plate is equipped with the first recess cooperated with Lumbar shaft, and Lumbar shaft is in first
In recess, the first coordinating block of plastics is equipped between the first recess and Lumbar shaft, Lumbar supporting plate is equipped with matches with headrest shaft axle body
The second recess closed, headrest shaft are in the second recess, and the second coordinating block of plastics is equipped between the second recess and headrest shaft.
Further, headrest extension means, Lumbar extension means are in the bottom side of headrest shaft, Lumbar shaft.
Further, the headrest extension means, Lumbar extension means are anti-pinch electric pushrod, anti-pinch electric pushrod
Including shell, the intracorporal screw rod of shell, the motor of housing rear end, the intracorporal ejector sleeve of shell, housing forward end is slidably matched with ejector sleeve pipe shaft,
Ejector sleeve rear portion is equipped with the ejector sleeve bracket being fixed on pipe shaft, and ejector sleeve bracket is slidably matched with inner walls and provides for the movement of ejector sleeve
Be oriented to and be auxiliarily fixed, screw rod rear end is rotatably cooperated with rear by bearing, screw rod rear end equipped with turbine, motor it is defeated
Outlet is equipped with the worm screw cooperated with turbine, and motor is fixed on rear, and push rod is set in outside screw rod, and push rod is coaxial with screw rod
The heart, screw rod are equipped with a feed screw nut, and the front end of feed screw nut, which is resisted against, to be pushed push rod on putting back-end face and skid off forward, shell
Interior corresponding screw rod side edge is set there are two the travel switch of limitation feed screw nut's reciprocating stroke, and feed screw nut is equipped with to one
The convex touching travel switch in side realizes the convex portion of limitation stroke.
Further, the Lumbar component includes Lumbar plate, Lumbar plate installation side plate, the lower end of Lumbar plate installation side plate
It is fixedly connected with Lumbar shaft, Lumbar shaft rotatably cooperates with mounting framework, the upper end of Lumbar plate and Lumbar plate installation side plate
The position-limit mechanism of limitation Lumbar plate scope of activities is equipped at rotatably cooperation, Lumbar plate and the activity cooperation of Lumbar plate installation side plate,
Lumbar plate installation side plate lower end is equipped with the Lumbar stretching, extension limit that can be resisted against mounting framework front end limitation Lumbar component scope of activities
Mechanism.
Further, Lumbar stretching, extension position-limit mechanism is that Lumbar plate installation side plate lower end plate body is formed to side edge bending
Lumbar stretching, extension limit folding ear, Lumbar stretching, extension limit folding ear contact in stretching, extension mounting framework realize limit Lumbar component after reforwarding
Dynamic, the position-limit mechanism includes limit plate on Lumbar plate, position limiting structure corresponding with limit plate in Lumbar plate installation side plate,
Lumbar plate limit plate during adjustment contacts the limit realized to Lumbar plate with position limiting structure.
Further, the position limiting structure is the bending part that Lumbar plate installation side plate upper end is bent to form, Lumbar plate
It is flexibly connected in the middle part of limit plate with bending part corresponding position, the two sides of limit plate contact realization limit with bending part.
Further, the headrest assemblies include headrest-plate, headrest-plate installation side plate, the upper end of headrest-plate installation side plate
It is fixedly connected with headrest shaft, headrest shaft is flexibly connected with mounting framework lower end, and headrest-plate is removably attachable to headrest-plate
Installation side plate lower end, headrest-plate installation side plate upper end are equipped with to be resisted against on mounting framework and limit to the stretching, extension of headrest assemblies
Headrest stretch position limiting structure.
The beneficial effects of the present invention are: using the above scheme, the width for the mounting framework that side plate, connecting plate are constituted is adjustable, it can
It is versatile suitable for the sofa of different styles, service performance is improved, driving headrest assemblies, Lumbar component stretch electronic
Push rod is mounted on headrest shaft, in Lumbar shaft, reduces the thickness of device, enhances the convenience of installation, reduces space and accounts for
According to further improving service performance, this kind of mounting means can be improved the bearing capacity of headrest assemblies, Lumbar component, improve real
While with property, transmit the stress of component to mounting framework, producing balanced forces, anti-fatigue ability enhancing prolongs the service life, has
There is pinch resistant functionality.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, present invention objects, features and advantages above-mentioned and other will become
Obviously.
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the bottom view of mounting framework in an embodiment of the present invention.
Fig. 3 is the cross section structure schematic diagram of connecting plate and side plate junction in an embodiment of the present invention.
Fig. 4 is the mounting structure schematic diagram in an embodiment of the present invention at headrest electric pushrod.
Fig. 5 is headrest supporting plate in an embodiment of the present invention, the fit structure schematic diagram at Lumbar supporting plate.
Fig. 6 is the structural schematic diagram of the first coordinating block in an embodiment of the present invention.
Fig. 7 is the structural schematic diagram of headrest-plate and headrest-plate installation side plate junction in an embodiment of the present invention.
Fig. 8 is the structural schematic diagram of anti-pinch electric pushrod in an embodiment of the present invention.
Fig. 9 is the cross section structure schematic diagram of anti-pinch electric pushrod in an embodiment of the present invention.
Wherein: 1 is side plate, and 11 be connection otic placode, and 111 be clamping screw, and 12 be interconnecting piece, and 2 be connecting plate, and 21 be adjusting
Hole, 3 be headrest shaft, and 4 be Lumbar shaft, and 5 be headrest electric pushrod, and 51 be headrest push plate, and 52 match for headrest supporting plate, 53 for one
Block is closed, 521 be the first recess, and 6 be Lumbar electric pushrod, and 61 be Lumbar push plate, and 62 be Lumbar supporting plate, and 63 be the second coordinating block,
621 be the second recess, and 7 be reset spring, and 71 roll over ear for spring, and 72 is reset folding ear, and 8 be headrest-plate installation side plate, and 81 be head
Pillow stretching, extension limit folding ear, 9 be Lumbar plate, and 91 be Lumbar plate installation side plate, and 92 be limit plate, and 93 be bending part, and 94 stretch for Lumbar
It extends a time limit position folding ear, 10 be shell, and 101 be screw rod, and 102 be motor, and 103 be ejector sleeve, and 104 be ejector sleeve bracket, and 105 be bearing, 106
It is feed screw nut for turbine, 107.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Embodiment 1 :-Fig. 3 referring to Fig.1, the headrest Lumbar extending apparatus of function sofa, including mounting framework, pass through headrest
Headrest assemblies that shaft is flexibly connected with mounting framework front end, the Lumbar being connect by Lumbar shaft with mounting framework back end activity
Component, and the electric pushrod of resting the head on of driving headrest assemblies stretching, extension, the Lumbar electric pushrod for driving Lumbar component to stretch, headrest assemblies
Side is the upper end of mounting framework, and Lumbar component side is the lower end of mounting framework, and mounting framework includes the side plate 1, two of two sides
A connecting plate 2, side plate 1 are " several " shape structure, and the plate body of side plate 1 is equipped with multiple connecting holes, and the plate body at 1 middle part of side plate, which is equipped with, to be fixed
The present apparatus is fixedly installed in function sofa, the both ends end of connecting plate 2 by ear, connecting hole, fixed ear for the present apparatus to be fixedly mounted
Portion is connect with side plate 11, makes to form the mounting framework of frame structure shape, and the plate body of support side plate, side plate 1 is equipped with inside lateral bending
The connection otic placode 11 of folding, connection otic placode 11 are equipped with connection bolt 111, and the end of connecting plate 2 is equipped with and connect the cooperation of bolt 111
Adjustment hole 21, clamping screw 111 and the different location of adjustment hole 21 lock, and realize the spacing adjustment between both side plate 1, realize
The width adjustment of mounting framework improves the logical of the present apparatus so that the present apparatus be made to adapt to the function sofa of variety classes, model width
With property, service performance is improved, the plate body of the rear and front end of side plate 1 is bent to form connection headrest assemblies or Lumbar component inwardly
The interconnecting piece 12 of step-like interconnecting piece 12, headrest shaft 3 and 1 front end of side plate rotatably cooperates, after Lumbar shaft 4 and side plate 2
The interconnecting piece 12 at end rotatably cooperates, and headrest assemblies are rotated synchronously with headrest shaft 3, and Lumbar component turns with Lumbar shaft 4 is synchronous
Dynamic, headrest electric pushrod 5 pushes headrest shaft 3 to rotate the stretching routine for driving headrest assemblies, and Lumbar electric pushrod 6 pushes Lumbar
The rotation of shaft 5 drives the stretching routine of Lumbar component, and interconnecting piece bends inwards, and is headrest assemblies, the reserved abundance of Lumbar loins
The space of connection, stretching exercise, avoids Lumbar component, headrest assemblies from interfering during stretching, extension with side plate, while side
Plate plays the role of side plate to reinforce intensity, improves the structural strength of mounting framework, durability in " several " shape structure of bending
It is good, prolong the service life.
Referring to Fig. 4-Fig. 6, headrest shaft 3 is equipped with the headrest push plate 51 of an arc, and one end of headrest push plate 51 is fixed on
In shaft 3 of resting the head on, the output end for electric pushrod 5 of resting the head on and the other end of headrest push plate 51 are hinged, the end for electric pushrod 5 of resting the head on
It is hinged with a headrest supporting plate 52, the rear end of headrest supporting plate 52 is resisted against in Lumbar shaft 4 and rotatably cooperates with Lumbar shaft 4,
Headrest electric pushrod front end is connect by headrest push plate with headrest shaft, rear end is cooperated by headrest supporting plate and Lumbar shaft, shape
At the fixed structure of front and back, the firm installation of headrest electric pushrod is realized, headrest supporting plate 52 is equipped with close to one end of Lumbar shaft 4
First recess 521 of one arc, Lumbar shaft 4 are in the first recess 521, are equipped with the first coordinating block 53 in the first recess 521,
The groove coincideing with 521 inner wall of the first recess is offered on first coordinating block 53,521 inner wall of the first recess is embedded in the trench,
Realize stabilization, the reliable fit of headrest push plate and the first coordinating block, groove enemy's occipital branches plate limits, avoid headrest supporting plate and
It is slided between first coordinating block, rests the head on electronic push plate under normal conditions, i.e., headrest assemblies are under home position, non-extended state, arc
The headrest push plate of shape, headrest supporting plate make the closely possible reduction of electric pushrod angle with horizontal plane of resting the head on, and are no more than 1 °, rest the head on electronic
Push rod is in the bottom of connecting plate, and headrest electric pushrod level of approximation setting promotes the thickness for reducing the present apparatus, the width model of side plate
It encloses to form the space that installation accommodates headrest electric pushrod, headrest electric pushrod is in the inside of mounting framework, promotes greatly to contract
The integral thickness of small device, the first recess 521 can play firm positioning action, avoid headrest caused by headrest shaft abjection
Electric pushrod solid failure, Lumbar shaft 4 are equipped with the Lumbar push plate 61 of an arc, one end of Lumbar push plate 61 and Lumbar shaft
4 are fixedly connected, and the output end of Lumbar electric pushrod 6 and the other end of Lumbar push plate 61 are hinged, the rear end hinge for electric pushrod of resting the head on
It is connected to a Lumbar supporting plate 62, Lumbar supporting plate 62 is resisted against in headrest shaft 3 and rotatably cooperates with headrest shaft 3, Lumbar supporting plate
Corresponding position is equipped with the second recess 621 of arc on 62, is equipped with the second coordinating block 63 in the second recess 621, on the second coordinating block 63
The slot coincideing with 621 interior wall construction of the first recess is offered, slot limits Lumbar supporting plate, and Lumbar supporting plate is avoided to match with second
It is slided between conjunction block, improves the stability of cooperation, Lumbar electric pushrod and headrest electric pushrod are arranged in parallel, headrest electricity
Move push rod, head of a quilt pillow shaft or Lumbar shaft are fixed or limited respectively for the end of Lumbar electric pushrod, rest the head on electric pushrod, waist
By electric pushrod be in headrest shaft, Lumbar shaft bottom side, realize headrest electric pushrod, Lumbar electric pushrod it is effective
Firm installation, the mounting structure that the headrest push plate of arc, Lumbar push plate, headrest supporting plate, Lumbar supporting plate are formed makes to rest the head on electronic
Push rod, Lumbar electric pushrod and the closely possible reduction of angle with horizontal plane are no more than 1 °, greatly reduce the thickness of device entirety
Degree, makes the thickness control of headrest Lumbar extending apparatus of this function sofa within 8.5cm, and push plate of resting the head on is from headrest shaft to waist
The arc-shaped bending in lower section by shaft side, on the one hand as the impeller for pushing headrest shaft rotation, on the other hand, as head
The extension of pillow electric pushrod, under the premise of realizing promotion headrest assemblies stretching, extension, shortening headrest electric pushrod as far as possible is exported
The extended length at end changes simultaneously the action direction of power, in conjunction with the self-view variation of headrest electric pushrod, by original and side
Plate parallel shape, with the elongation of output end, itself inclination reduces space required for oneself state changes, needed for component stretching, extension
The space wanted reduces, and integral thickness is small, convenient for cooperating with various sofa, improves versatility, Lumbar push plate be from Lumbar shaft to
The plate that is convexly curved on the downside of headrest shaft, action principle is identical as headrest push plate action principle, and Lumbar is electronic pushes away for reduction
The stroke of bar, space occupies when reduction acts on.
Headrest 5 output end of electric pushrod pushes headrest push plate 51 and swings after stretching out, so that headrest 3 shaft of shaft is driven, after
And realize the stretching, extension of headrest assemblies, same Lumbar output end of electric push rod pushes Lumbar push plate swing after stretching out, drive Lumbar
Shaft rotation, to realize the stretching, extension of Lumbar component, the both ends for electric pushrod of resting the head on are hingedly, in headrest electric pushrod work
When, the state of its own can generate corresponding change, realize stretching of smoothly resting the head on, rest the head on electric pushrod 5 at work,
Its rear end by rest the head on push plate be resisted against in Lumbar shaft, heavy load or load increase when, rest the head on electric pushrod on by
Power can directly be decomposed in Lumbar shaft by push plate of resting the head on, and shared by Lumbar shaft, alleviated stress, improve headrest assemblies
Bearing capacity, also, avoid headrest electric pushrod, rest the head on push plate deformed damaged, the first coordinating block 53 1 of plastic material
Aspect makes to rest the head on and smoothly cooperate between supporting plate and Lumbar shaft, plays the role of noise reduction, lubrication, metal parts is avoided directly to contact
Abrasion, noise on the other hand increase contact area, make the power rested the head on electric pushrod is quickly directly balanced to be distributed to waist
In shaft, in addition, headrest push plate has certain buffer effect, in the case where avoiding loading increase suddenly, push plate of resting the head on
Stress is increased sharply deformation, and the power side in Lumbar shaft is transmitted to side plate, is then transmitted on mounting framework, is that mounting framework is shared and being held
By the stress of headrest assemblies, the bearing capacity of the present apparatus is improved, improves service performance, producing balanced forces enhance anti-fatigue ability, prolong
Long life, Lumbar output end of electric push rod pushes Lumbar push plate swing after stretching out, so that Lumbar shaft be driven to rotate, realizes
The stretching routine of Lumbar component, the power on Lumbar electric pushrod is transferred to headrest shaft by Lumbar supporting plate, then is transferred to installation
On skeleton, the stress of electric pushrod is shared on the whole, the bearing capacity of electric pushrod is improved, push plate is avoided to deform, and improves waist
By the bearing capacity of component, headrest assemblies, the second coordinating block 63 promotes the power of Lumbar electric pushrod preferably to pass to headrest shaft
It passs, while avoiding mutual abrasion, prolong the service life, headrest supporting plate 52, Lumbar supporting plate 62 can be with companies close to the end of connecting plate
Plate connection, assists the fixation to headrest electric pushrod, Lumbar electric pushrod, while promoting on electric pushrod power preferably to installation
Skeleton transmitting, integrally shares stress, improves fatigue resistance, prolongs the service life.
Referring to Fig.1, Fig. 7, headrest assemblies include Lumbar plate 9, Lumbar plate installation side plate 91, under Lumbar plate installation side plate 91
End is fixedly connected with Lumbar shaft 4, and Lumbar shaft 4 and the rear end of side plate 1 rotatably cooperate, and Lumbar plate 9 and Lumbar plate install side
The upper end of plate 91 rotatably cooperates, and the end of Lumbar plate 9 is equipped with the limit plate 92 with the 91 activity cooperation of Lumbar plate installation side plate, limit
Position plate 92 is bent by the end of Lumbar plate 9, and the arc-shaped shape of limit plate 92, the front end of Lumbar plate installation side plate 91 is bent to form
Step-like bending part 93, the middle part of limit plate 92 is flexibly connected with the corresponding position of bending part 93, the two of arc-shaped limit plate 92
The limit to Lumbar plate 9 is formed when the step face contact of side and bending part 93, Lumbar plate can voluntarily rotate adjustment, pass through arc
The amplitude of limit plate limitation rotation, realizes adaptive adjustment, and the plate body of the lower end of Lumbar plate installation side plate 91 is bent to a side
The Lumbar stretching, extension limit folding ear 94 of formation, Lumbar stretching, extension limit folding ear 94 can contact the interconnecting piece of side plate in stretching, extension, limit waist
The further movement of backup plate installation side plate, reaches limit purpose, and Lumbar electric pushrod is pushing the stretching, extension of Lumbar plate installation side plate
In the process, due to stress on Lumbar plate, during Lumbar plate installation side plate is rotated and adjusted, Lumbar plate can voluntarily turn
It is dynamic, so that Lumbar plate is formed optimal support angle to human body, improves comfort, and limit plate 92, the cooperation pair with bending part 93
The limit that the range of the angle adjustment of Lumbar plate carries out, avoids adjustment transition, improves safety, comfort, headrest assemblies include
Headrest-plate (not marking in figure), headrest-plate installation side plate 8, headrest-plate are removably attachable to the upper end of headrest-plate installation side plate 8,
The lower end of headrest-plate installation side plate 8 is fixedly connected with headrest shaft 3, and headrest shaft 3 is flexibly connected with the upper end of side plate 1, is rested the head on
Plate is removably attachable to the lower end of headrest-plate installation side plate 8, and the lower part of headrest-plate installation side plate 8 is equipped with and can be resisted against on side plate
The headrest stretching, extension limit folding ear 81 limited on the interconnecting piece of end to the stretching, extension of headrest assemblies, headrest stretching, extension limit folding ear 81 is head
The plate body bending of 8 corresponding position of board for pillow installation side plate forms, and each plate is punch forming, and at producing efficiently, position limiting structure passes through curved
Foldable type, it is easy to produce, promote raising production efficiency not need in the present apparatus relative to existing electric pushrod mounting structure
The mounting structure of electric pushrod, saves part, and loss of weight reduces cost, side plate, connecting plate, headrest-plate, headrest-plate installation side plate, waist
Backup plate installation side plate is punching press plate, and shaping efficiency is high, easy to process, and structural strength is high, assembles simple and convenient, raising production
Efficiency, side plate 1 are equipped with the reset spring 7 for making to reset after headrest-plate, the stretching, extension of Lumbar plate, and the middle part bottom of side plate 1 is equipped with a peace
The spring for filling reset spring 7 rolls over ear 71, and Lumbar plate installation side plate 91, headrest-plate installation side plate 8 lean on the bottom of proximal panel interconnecting piece
Ear 72 is rolled over equipped with resetting, the other end of reset spring 7 is connect with folding ear 72 is resetted, and after Lumbar component, headrest assemblies stretching, extension, is resetted
Spring 7 is elongated, and when Lumbar component, headrest assemblies lose the thrust of electric pushrod, reset spring 7, which retracts, drives Lumbar group
Part, headrest assemblies reset, and are set on side plate there are four reset spring, and four reset springs are divided into two groups, and every group of correspondence is responsible for head
The reset of component, Lumbar component is rested the head on, the one end of two groups of reset springs is both connected in the middle part of side plate, and promote distribution of weight balanced,
The two sides of every group of two springs distribution, distributing equilibrium promote the smoothly stable reset of Lumbar component, headrest assemblies, in addition, this
Device steadily of centre of gravity is easy to use.
Referring to Fig. 8, Fig. 9, headrest electric pushrod 5, Lumbar electric pushrod 6 are anti-pinch electric pushrod, include shell 10, shell
Ejector sleeve 103 in the motor 102 of screw rod 101,10 rear end of shell in body 10, shell 10, the pipe of shell 10 front end and ejector sleeve 103
Body is slidably matched, and the rear portion of ejector sleeve 103 is equipped with the ejector sleeve bracket 104 being fixed on pipe shaft, and 103 rear portion pipe shaft of ejector sleeve is equipped with and fixes
The groove of ejector sleeve bracket 104, ejector sleeve bracket 104 are embedded in groove, and shell 10 is shape tube, and ejector sleeve bracket 104 is equipped with multiple
The auxiliary section outwardly protruded, the inner wall corresponding position of shell 10 be equipped with auxiliary section cooperate along the extension of inner walls length direction
Mating groove, auxiliary section are slidably matched with mating groove, during ejector sleeve 103 is moved forward and backward, are oriented to ejector sleeve, and play
Be auxiliarily fixed the effect of ejector sleeve, guarantee the mobile stationarity of ejector sleeve, 101 rear end of screw rod by bearing 105 and shell 10 after
Portion rotatably cooperates, and the rear end of screw rod 101 is equipped with turbine 106, and turbine is fixedly connected with screw rod, and the output end of motor 102 is equipped with
The worm screw cooperated with turbine 106, motor 102 are fixed on the rear portion of shell 10, and the rotation of motor 102 is engaged by worm screw and turbine
Transmission rotates screw rod 101, and ejector sleeve 103 is set in outside screw rod 101, and ejector sleeve 10 and screw rod 101 are concentric, and screw rod 101 is equipped with
One feed screw nut 107, the front end of feed screw nut 107, which is resisted against on the rear end face of ejector sleeve 103, pushes the forward movement of ejector sleeve 103, silk
The front end face of stem nut 107 is equipped with the boss of lordosis, and boss outer diameter is less than feed screw nut's outer diameter, makes feed screw nut front end step
Shape, boss extend into 10 rear end of ejector sleeve, and the stationarity pushed to ejector sleeve can be improved in boss, and boss is in ejector sleeve rear end face to live
Dynamic contact, motor rotate forward, and the feed screw nut to travel forward pushes ejector sleeve to advance, and motor reversal, feed screw nut moves backward, simultaneously
Feed screw nut and ejector sleeve rear end disengage, and ejector sleeve is fixed different, the corresponding headrest push plate in ejector sleeve front end, Lumbar push plate connection, in head
During resting the head on component, the reset of Lumbar component, since reset spring plays reset response, once at headrest assemblies, Lumbar component
There is foreign matter, motor continues to invert, and feed screw nut counter motion and ejector sleeve disengage, and position ejector sleeve temporarily, realizes anti-pinch, works as foreign matter
It disappearing, reset spring continues to act on, and so that Lumbar component, headrest assemblies is resetted, while ejector sleeve is driven to reset, realizes pinch resistant functionality,
It corresponds to screw rod side edge in shell to set there are two the travel switch of limitation feed screw nut's reciprocating stroke, feed screw nut is equipped with
The convex portion of limitation stroke is realized to the convex touching travel switch in side.
Embodiment 2: the present embodiment the difference from embodiment 1 is that: mounting hung rack includes stretching between two sides side plate, both side plate
Bar is opened up, stretch rod is Biextension, and stretch rod is arranged between both side plate, and the end of stretch rod is fixedly connected with side plate inner wall, is led to
The spacing for crossing the span control amount side sheet room of adjustment stretch rod, realizes the adjustment of mounting framework width.
Embodiment 3: the present embodiment the difference from embodiment 1 is that: mounting hung rack includes the set between two sides side plate, both side plate
Pipe, connecting rod, the pairs of setting of casing, connecting rod rotatably cooperate in side sheet room, connecting rod one end with side plate inner wall, and the other end is equipped with outer
One end of screw thread, casing is connect with other side side plate inner wall, and the other end of casing and the external screw thread of connecting rod are threadedly engaged, realization pair
The support of side plate constitutes mounting framework, while realizing that the width of mounting framework is adjustable by being threadedly engaged.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to any simple modification to the above embodiments in technical spirit of the invention, equivalent variations, guarantor of the invention is each fallen within
Within the scope of shield.
Claims (10)
1. the headrest Lumbar extending apparatus of function sofa, including it is mounting framework, movable by headrest shaft and mounting framework front end
The headrest assemblies of connection, the Lumbar component being connect by Lumbar shaft with mounting framework back end activity, and driving headrest assemblies are stretched
The headrest extension means of exhibition, driving Lumbar component stretching, extension Lumbar extension means, which is characterized in that the mounting framework includes
Connecting plate between two sides side plate, both side plate, connecting plate and side sheet room connect the spacing between realizing both side plate by regulating mechanism and adjust, head
Pillow shaft is flexibly connected with side plate front end, and Lumbar shaft is connect with side plate back end activity, and headrest shaft is equipped with a headrest push plate,
The stretching, extension that the output end connection headrest push plate of extension means of resting the head on pushes headrest shaft rotation to realize headrest assemblies, stretching machine of resting the head on
The end of structure is flexibly connected the installation realized to headrest extension assembly with Lumbar shaft by supporting plate of resting the head on, and Lumbar shaft is equipped with
The output end connection Lumbar push plate of one Lumbar push plate, Lumbar extension means pushes the rotation of Lumbar shaft to realize stretching for Lumbar component
Exhibition, the end of Lumbar extension means are flexibly connected the installation for realizing Lumbar extension assembly, institute by Lumbar supporting plate with shaft of resting the head on
The thickness of the headrest Lumbar extending apparatus for the function sofa stated is no more than 8.5cm, the headrest extension means, Lumbar stretching machine
Structure is anti-pinch extension means.
2. the headrest Lumbar extending apparatus of function sofa according to claim 1, which is characterized in that the side plate is
" several " shape structure, side plate plate body are equipped with multiple connecting holes, and the rear and front end of side plate is bent to form connection headrest assemblies inwardly
Or the interconnecting piece of Lumbar component, the plate body in the middle part of side plate are equipped with the connection otic placode of connection connecting plate, the regulating mechanism is setting
Connection bolt in connection otic placode, the adjustment hole of the end mating connection bolt of connecting plate, connection bolt adjustment hole not
The adjustment of two sides spacing between plates is realized with locking at position.
3. the headrest Lumbar extending apparatus of function sofa according to claim 1, which is characterized in that the headrest stretching, extension
The output end of mechanism is flexibly connected with headrest push plate, and the end for extension means of resting the head on is flexibly connected with headrest supporting plate, supporting plate of resting the head on
Rotatably cooperate with Lumbar shaft, the output end of Lumbar extension means is flexibly connected with Lumbar push plate, the end of Lumbar extension means
End rotatably cooperates with Lumbar supporting plate.
4. the headrest Lumbar extending apparatus of function sofa according to claim 3, which is characterized in that the headrest supporting plate
Equipped with the first recess cooperated with Lumbar shaft, Lumbar shaft is in the first recess, is equipped between the first recess and Lumbar shaft
First coordinating block of plastics, Lumbar supporting plate are equipped with the second recess with headrest shaft axle body cooperation, and it is recessed that headrest shaft is in second
In mouthful, the second coordinating block of plastics is equipped between the second recess and headrest shaft.
5. according to claim 1, the headrest Lumbar extending apparatus of function sofa described in 3 any one, which is characterized in that headrest
Extension means, Lumbar extension means are in the bottom side of headrest shaft, Lumbar shaft.
6. the headrest Lumbar extending apparatus of function sofa according to claim 1, which is characterized in that the headrest stretching, extension
Mechanism, Lumbar extension means are anti-pinch electric pushrod, and anti-pinch electric pushrod includes shell, the intracorporal screw rod of shell, housing rear end
Motor, the intracorporal ejector sleeve of shell, housing forward end is slidably matched with ejector sleeve pipe shaft, and ejector sleeve rear portion is equipped with the ejector sleeve being fixed on pipe shaft
Bracket, the movement for ejector sleeve that is slidably matched of ejector sleeve bracket and inner walls provide guiding and are auxiliarily fixed, and screw rod rear end passes through axis
It holds and rotatably cooperates with rear, screw rod rear end is equipped with turbine, and the output end of motor is equipped with the worm screw cooperated with turbine, motor
It is fixed on rear, push rod is set in outside screw rod, and push rod is concentric with screw rod, and screw rod is equipped with a feed screw nut, screw rod spiral shell
Female front end, which is resisted against, to be pushed push rod on putting back-end face and skids off forward, and screw rod side edge correspond in shell and sets that there are two limitation silks
The travel switch of stem nut reciprocating stroke, feed screw nut are equipped with to the convex touching travel switch in side and realize limitation stroke
Convex portion.
7. the headrest Lumbar extending apparatus of function sofa according to claim 1, which is characterized in that the Lumbar component
Including Lumbar plate, Lumbar plate installation side plate, the lower end of Lumbar plate installation side plate is fixedly connected with Lumbar shaft, Lumbar shaft and peace
Dress skeleton rotatably cooperates, and Lumbar plate and the upper end of Lumbar plate installation side plate rotatably cooperate, and Lumbar plate and Lumbar plate install side
The position-limit mechanism of limitation Lumbar plate scope of activities is equipped at plate activity cooperation, Lumbar plate installation side plate lower end, which is equipped with, can be resisted against peace
The Lumbar for filling skeleton front end limitation Lumbar component scope of activities stretches position-limit mechanism.
8. the headrest Lumbar extending apparatus of function sofa according to claim 7, which is characterized in that the Lumbar stretching, extension
Position-limit mechanism is the Lumbar stretching, extension limit folding ear that Lumbar plate installation side plate lower end plate body is formed to side edge bending, Lumbar stretching, extension limit
Folding ear contacts mounting framework in stretching, extension and realizes that limitation Lumbar component continues to move, and the position-limit mechanism includes on Lumbar plate
Position limiting structure corresponding with limit plate on limit plate, Lumbar plate installation side plate, Lumbar plate limit plate and limit during adjustment
The limit to Lumbar plate is realized in bit architecture contact.
9. the headrest Lumbar extending apparatus of function sofa according to claim 8, which is characterized in that the position limiting structure
For the bending part that Lumbar plate installation side plate upper end is bent to form, limit plate middle part and the activity of bending part corresponding position of Lumbar plate connect
It connects, the two sides of limit plate contact realization limit with bending part.
10. the headrest Lumbar extending apparatus of function sofa according to claim 1, which is characterized in that the headrest group
Part includes headrest-plate, headrest-plate installation side plate, and the upper end of headrest-plate installation side plate is fixedly connected with headrest shaft, headrest shaft with
Mounting framework lower end is flexibly connected, and headrest-plate is removably attachable to headrest-plate installation side plate lower end, in headrest-plate installation side plate
End is equipped with the headrest that can be resisted against and be limited on mounting framework to the stretching, extension of headrest assemblies and stretches position limiting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245060.2A CN109770610A (en) | 2019-03-28 | 2019-03-28 | The headrest Lumbar extending apparatus of function sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910245060.2A CN109770610A (en) | 2019-03-28 | 2019-03-28 | The headrest Lumbar extending apparatus of function sofa |
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| Publication Number | Publication Date |
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| CN109770610A true CN109770610A (en) | 2019-05-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910245060.2A Pending CN109770610A (en) | 2019-03-28 | 2019-03-28 | The headrest Lumbar extending apparatus of function sofa |
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| Country | Link |
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| CN (1) | CN109770610A (en) |
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| CN110326927A (en) * | 2019-07-05 | 2019-10-15 | 常州盛美机电制造有限公司 | A kind of functional furniture rotating driver |
| CN114698967A (en) * | 2022-04-25 | 2022-07-05 | 浙江瑞尚智能家居有限公司 | Adjustable waist rest mechanism |
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