CN207202559U - Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa - Google Patents
Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa Download PDFInfo
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- CN207202559U CN207202559U CN201720327786.7U CN201720327786U CN207202559U CN 207202559 U CN207202559 U CN 207202559U CN 201720327786 U CN201720327786 U CN 201720327786U CN 207202559 U CN207202559 U CN 207202559U
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- somebody
- something
- fall back
- backrest
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Abstract
The utility model provides something or somebody to fall back on and the mechanical extending device of backrest ejection in a kind of function sofa, belongs to sofa technical field.Something or somebody to fall back on and the mechanical extending device of backrest ejection in this function sofa, including framework, described framework includes the take the shape of the letter U lower moulding of shape and the upper frame bar for the shape that takes the shape of the letter U, it is lower that the governor motion that can adjust frame size is provided between moulding and upper frame bar, something or somebody to fall back on travel(l)ing rests and movable backrest support are respectively equipped with described lower moulding, something or somebody to fall back on travel(l)ing rests are in the top of movable backrest support, a motor mounting rod is fixed with described lower moulding, motor mounting rod is between something or somebody to fall back on travel(l)ing rests and movable backrest support, described motor mounting rod, which is provided with, can drive something or somebody to fall back on travel(l)ing rests protruding and can make stretching, extension resetting structure one that it resets and movable backrest support can be driven protruding and can make the stretching, extension resetting structure two of its reset.The stretching and reset and something or somebody to fall back on stretching and reset of backrest can be implemented separately in the utility model.
Description
Technical field
The utility model belongs to sofa technical field, is related to a kind of mechanical extending device, in particularly a kind of function sofa
Something or somebody to fall back on and the mechanical extending device of backrest ejection.
Background technology
Sofa is a kind of chair equipped with cushion, can be single seat or multiple seats.In the daily of people
In life, sofa has become a kind of very universal furniture, relatively ancient wood substance seat, existing cloth or cortex sofa
It can give people to provide more comforts.With the continuous improvement of people's living standards, requirement of the people to furniture is also increasingly
Height, sofa common and that function is single gradually will be given up by people.
In order that the function of sofa is more sound, regulation performance is more flexible, can carry out the something or somebody to fall back in sofa and backrest
It is separately provided, adjusts it respectively and stretch out displacement and its reset.At present, for something or somebody to fall back on and backrest structure design, also exist many
Problem, such as：1st, in the market, Disassembling sofa motorized motions mode occur jitter phenomenon, influence the comfortableness of Disassembling sofa；2nd, lean on
The motorized motions mode structure of head and backrest is excessively complicated, influences the kinetic energy efficiency of motor；3rd, the push rod active force of motor is stable,
So that the installation of motor becomes complicated, the packaging efficiency of sofa is influenceed.
So for those skilled in the art, it need the adjusting means to something or somebody to fall back on of the prior art and backrest
It is improved, to solve the above problems, the function of sofa is more perfected, regulation performance is more flexible, bigger so as to obtain
Consumption market.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that something or somebody to fall back in a kind of function sofa
With the mechanical extending device of backrest ejection, technical problem to be solved in the utility model is the stretching for how realizing backrest with answering
Position and something or somebody to fall back on stretching and reset.
The purpose of this utility model can be realized by following technical proposal：Something or somebody to fall back on and the machine of backrest ejection in function sofa
Tool extending apparatus, including framework, described framework include taking the shape of the letter U shape lower moulding and the upper frame bar of shape of taking the shape of the letter U, lower moulding with it is upper
The governor motion of frame size can be adjusted by being provided between moulding, be respectively equipped with something or somebody to fall back on travel(l)ing rests on described lower moulding and leaned on
Travel(l)ing rest is carried on the back, something or somebody to fall back on travel(l)ing rests are in the top of movable backrest support, and motor installation is fixed with described lower moulding
Bar, motor mounting rod are between something or somebody to fall back on travel(l)ing rests and movable backrest support, and described motor mounting rod is provided with and can driven
Dynamic something or somebody to fall back on travel(l)ing rests it is protruding and stretching, extension resetting structure one that it resets can be made and can drive movable backrest support to
The stretching, extension resetting structure two that overhangs and can make it to reset.
Something or somebody to fall back on and the mechanical extending device of backrest ejection in this function sofa, can be appropriate in the presence of governor motion
The lower spacing between moulding and upper frame bar of adjustment, so as to adjust the size of framework；Motor can be installed on motor mounting rod, from
And the motion for something or somebody to fall back on travel(l)ing rests and movable backrest support provides power support；, can in the presence of resetting structure one is stretched
To carry out the stretching of specified location to something or somebody to fall back on travel(l)ing rests, while it can also be resetted；In the work of stretching, extension resetting structure two
Under, the stretching of specified location can be carried out to movable backrest support, while also it can be resetted.
Described governor motion includes some mounting holes one being opened on lower moulding both ends and is opened in upper frame bar both ends
On some mounting holes two, be connected with bolt and nut in the corresponding mounting hole two of mounting hole one.
After the spacing between lower moulding and upper frame bar is regulated, it is corresponding that bolt and nut is connected into mounting hole one simultaneously
Mounting hole two in, can be to realize lower fixation between moulding and upper frame bar, so as to adjust the size of general frame.
Described stretching, extension resetting structure one includes push-rod electric machine one and back-moving spring one, and described push-rod electric machine one passes through pin
Axle and it is bolted on motor mounting rod, the push rod of push-rod electric machine one is towards something or somebody to fall back on travel(l)ing rests, above-mentioned something or somebody to fall back on activity branch
U-board one is fixed with frame, being fixed with two by rotating shaft one on the push rod of push-rod electric machine one can promote U-board one to put
Dynamic roller one, one end of described back-moving spring one are fixed in U-board one, and the other end of back-moving spring one is fixed on motor
On mounting rod.
When push-rod electric machine one acts, the push rod of push-rod electric machine one stretches out, the roller of its end of the push rod band of push-rod electric machine one
One slides in U-board one, so that the run-off the straight of U-board one, now, back-moving spring one stretches out, and drives something or somebody to fall back on travel(l)ing rests
Rotate, stretch out the something or somebody to fall back in sofa, adapt to the something or somebody to fall back on locational requirements of user；When needing to reset something or somebody to fall back on, it is only necessary to close
Push-rod electric machine one being closed, in the presence of back-moving spring one, it is possible to achieve back-moving spring one is converted into initial position by retracted position,
Can be to realize something or somebody to fall back on slow reset, this is not only simple in structure, and regulative mode is more flexible.
Described stretching, extension resetting structure two includes push-rod electric machine two and back-moving spring two, and described push-rod electric machine two passes through pin
Axle and it is bolted on motor mounting rod, the push rod of push-rod electric machine two is towards movable backrest support, above-mentioned movable backrest branch
U-board two is fixed with frame, being fixed with two by rotating shaft two on the push rod of push-rod electric machine two can promote U-board two to put
Dynamic roller two, one end of described back-moving spring two are fixed in U-board two, and the other end of back-moving spring two is fixed on motor
On mounting rod.
When push-rod electric machine two acts, the push rod of push-rod electric machine two stretches out, the roller of its end of the push rod band of push-rod electric machine two
Two slide in U-board two, so that the run-off the straight of U-board two, now, back-moving spring two stretches out, and drive something or somebody to fall back on travel(l)ing rests
Rotate, stretch out the something or somebody to fall back in sofa, adapt to the something or somebody to fall back on locational requirements of user；When needing to make backrest return, it is only necessary to close
Push-rod electric machine two being closed, in the presence of back-moving spring two, it is possible to achieve back-moving spring two is converted into initial position by retracted position,
Can be to realize the slow reset of backrest, this is not only simple in structure, and regulative mode is more flexible.
Described something or somebody to fall back on travel(l)ing rests include something or somebody to fall back on mounting rods, left connect band, left installation band, right connect band and right installation
Band, described left connect band one end are hinged on one end of lower moulding, and right connect band one end is hinged on the other end of lower moulding,
One end of described something or somebody to fall back on mounting rods is connected in left installation and taken, and the other end of something or somebody to fall back on mounting rods is connected in right installation and taken, institute
The left installation band regulation stated is arranged on the other end of left connect band, and right installation is arranged on the other end of right connect band with regulation
On；A rivet hole one is offered in described left connect band, rivet is offered on lower moulding one end corresponding with rivet hole one
Hole two, rivet hole one offer a rivet hole three, with rivet with being connected with rivet one in rivet hole two in described right connect band
Rivet hole four is offered on the lower moulding other end corresponding to the three-phase of hole, rivet hole three in rivet hole four with being connected with rivet two；Institute
Two connecting holes one are offered in the left connect band stated, described left installation, which takes, offers some connecting holes two, connecting hole one
Bolt and nut is connected with corresponding connecting hole two, two connecting holes three are offered in described right connect band, it is described
Right installation, which takes, offers some connecting holes four, and bolt and nut is connected with the corresponding connecting hole four of connecting hole three；It is described
Something or somebody to fall back on mounting rods and lower moulding between be provided with can not continue what is down rotated after something or somebody to fall back on mounting rods return to home position
Position limiting structure one.
Something or somebody to fall back on mounting rods, left installation band and right installation band are provided commonly for installing the something or somebody to fall back in sofa；And in left connect band and
In the presence of right connect band, position of the left installation band with right installation band in left connect band and right connect band can be adjusted, is realized
Something or somebody to fall back in sofa is highly adjusted, so as to adapt to the user of different heights, meanwhile, left connect band and right connect band are respectively with
Realize be hinged in the both ends of moulding, you can realize that left connect band and right connect band descend moulding to rotate relatively, finally realize something or somebody to fall back on
Opposing frame rotates；In the presence of position limiting structure one, when something or somebody to fall back on resets, something or somebody to fall back on will not be made to turn over excessive angle,
So as to cause the unnecessary trouble such as stuck.
Rivet one and rivet two can realize that left connect band and right connect band descend moulding to rotate relatively, be leaned on so as to realize
Rotation between head travel(l)ing rest and framework.
Bolt and nut is worn in two corresponding connecting holes two of two connecting holes one, realizes left installation band in left company
Fixation on tape splicing；Bolt and nut is worn in two corresponding connecting holes four of two connecting holes three, realizes right installation band
Fixation in right connect band, so as to realize that something or somebody to fall back on height is adjusted.
Described position limiting structure one includes caging bolt one, and one end of caging bolt one is fixed in left connect band, spacing
The other end of bolt one stretches out one end of lower moulding, and when something or somebody to fall back on travel(l)ing rests return to home position, caging bolt one is another
End can be resisted against on one end of lower moulding.When the other end of caging bolt one is resisted against on lower moulding, that is, limit left company
Tape splicing descends moulding to be rotated further relatively, ultimately limit something or somebody to fall back on and is rotated further.
Described movable backrest support includes backrest mounting rod, left mounting bar and right mounting bar, described left mounting bar one
End is hinged on one end of lower moulding, and right mounting bar one end is hinged on the other end of lower moulding, described backrest mounting rod
One end is connected on the other end of left mounting bar, and the other end of something or somebody to fall back on mounting rods is connected on the other end of right mounting bar；It is described
Left mounting bar on offer a rivet hole five, offer rivet hole six, riveting on lower moulding one end corresponding with rivet hole five
Nail five offers a rivet hole seven, with the phase of rivet hole seven with being connected with rivet three in rivet hole six on described right mounting bar
Rivet hole eight is offered on the corresponding lower moulding other end, rivet hole seven in rivet hole eight with being connected with rivet four；Described leans on
Be provided between back of the body mounting rod and lower moulding can not continue down to rotate after backrest mounting rod returns to home position it is spacing
Structure two.
Backrest mounting rod, left mounting bar are provided commonly for installing the backrest in sofa with right mounting bar；Left mounting bar and right peace
It is be hinged with the both ends realization of lower moulding respectively to fill bar, you can realize that the both ends of left mounting bar lower moulding relative with right mounting bar occur
Rotate, finally realize that backrest opposing frame rotates；In the presence of position limiting structure two, when backrest return, it will not make to lean on
The back of the body turns over excessive angle, so as to cause the unnecessary trouble such as stuck.
Rivet three and rivet four can realize that left mounting bar and right mounting bar descend the both ends of moulding to rotate relatively, so as to
Realize the rotation between movable backrest support and framework.
Described position limiting structure two includes caging bolt two, and one end of caging bolt two is fixed on left mounting bar, spacing
The other end of bolt two stretches out one end of lower moulding, and when movable backrest support returns to home position, caging bolt two is another
End can be resisted against on lower moulding.When the other end of caging bolt two is against on one end of lower moulding, that is, limit left installation
Bar opposing frame is rotated further, and be ultimately limit backrest and is rotated further.
Compared with prior art, the utility model has advantages below：
1st, the utility model is formed by something or somebody to fall back on mounting rods, left connect band, left installation band, right connect band and right installation band connection
Something or somebody to fall back on travel(l)ing rests, the spacing between left connect band and left installation band and right connect band and right installation band can be not only adjusted, from
And something or somebody to fall back on height is adjusted, the something or somebody to fall back on travel(l)ing rest opposing frames after regulating can also be made to rotate, so as to adjust something or somebody to fall back on
Angle, and connected by bolt and nut, rivet one, rivet two so that it is very convenient to remove and install.
2nd, the utility model is connected with right mounting bar by backrest mounting rod, left mounting bar and forms movable backrest support, something or somebody to fall back on
Travel(l)ing rest opposing frame rotates, and so as to adjust the angle of backrest, adapts to sofa user, and by bolt and nut,
Rivet three, rivet four connect so that it is very convenient to remove and install.
3rd, the utility model is slided by the direct pushing rolling wheels one of push-rod electric machine one in U-board one, so that something or somebody to fall back on lives
Dynamic support stretches out, and pushing directly on roller two in U-board two by push-rod electric machine two slides, so that movable backrest support is stretched
Go out, simple in construction, drive efficiency is high, convenient for installation and maintenance.
4th, the utility model passes through in the presence of back-moving spring one, it is possible to achieve back-moving spring one is converted by retracted position
, can be to realize something or somebody to fall back on slow reset, in the presence of back-moving spring two for initial position, it is possible to achieve back-moving spring two by
Retracted position is converted into initial position, can be to realize the slow reset of backrest, and this is not only simple in structure, and regulative mode is cleverer
It is living.
5th, the utility model needs that push-rod electric machine one and push-rod electric machine two are fixed on into motor installation by screw and bearing pin
On bar, it can both avoid shaking, packaging efficiency can be improved again.
Brief description of the drawings
Fig. 1 is overlooking the structure diagram of the present utility model.
Fig. 2 is dimensional structure diagram of the present utility model.
Fig. 3 is dimensional structure diagram when something or somebody to fall back on travel(l)ing rests stretch out.
Fig. 4 is side structure schematic view when something or somebody to fall back on travel(l)ing rests stretch out.
Fig. 5 is dimensional structure diagram when movable backrest support stretches out.
Fig. 6 is side structure schematic view when movable backrest support stretches out.
Fig. 7 is something or somebody to fall back on travel(l)ing rests and movable backrest support while the dimensional structure diagram stretched out.
Fig. 8 is something or somebody to fall back on travel(l)ing rests and movable backrest support while the side structure schematic view stretched out.
In figure, 1, framework；1a, lower moulding；1b, upper frame bar；2nd, mounting hole one；3rd, mounting hole two；4th, something or somebody to fall back on travel(l)ing rests；
41st, something or somebody to fall back on mounting rods；42nd, left connect band；43rd, left installation band；44th, right connect band；45th, right installation band；46th, caging bolt one；
47th, rivet one；48th, rivet two；5th, movable backrest support；51st, backrest mounting rod；52nd, left mounting bar；53rd, right mounting bar；54、
Caging bolt two；55th, rivet three；56th, rivet four；6th, motor mounting rod；7th, push-rod electric machine one；8th, back-moving spring one；9th, U-board
One；10th, roller one；11st, push-rod electric machine two；12nd, back-moving spring two；13rd, U-board two；14th, roller two.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa, including framework 1, framework 1 wrap
The upper frame bar 1b of the lower moulding 1a for the shape that takes the shape of the letter U and the shape that takes the shape of the letter U is included, framework can be adjusted by being provided between lower moulding 1a and upper frame bar 1b
The governor motion of 1 size.Specifically, governor motion includes some mounting holes 1 being opened on lower moulding 1a both ends and opened
Some mounting holes 23 being located on upper frame bar 1b both ends, bolt spiral shell is connected with the corresponding mounting hole 23 of mounting hole 1
It is female.After the spacing between lower moulding 1a and upper frame bar 1b is regulated, it is corresponding that bolt and nut is connected into mounting hole 1 simultaneously
Mounting hole 23 in, can be to realize lower fixation between moulding 1a and upper frame bar 1b, so as to adjust the size of general frame 1.
Something or somebody to fall back on travel(l)ing rests 4 and movable backrest support 5 are respectively equipped with lower moulding 1a, something or somebody to fall back on travel(l)ing rests 4 are in backrest
The top of travel(l)ing rest 5.
As shown in Figures 3 and 4, something or somebody to fall back on travel(l)ing rests 4 include something or somebody to fall back on mounting rods 41, left connect band 42, left installation band 43, right company
Tape splicing 44 and right installation band 45.Something or somebody to fall back on mounting rods 41, left installation band 43 and right installation band 45 are provided commonly for installing leaning in sofa
Head.Left one end of connect band 42 is hinged on lower moulding 1a one end, and right one end of connect band 44 is hinged on the lower moulding 1a other end
On, one end of described something or somebody to fall back on mounting rods 41 is connected on left installation band 43, and the other end of something or somebody to fall back on mounting rods 41 is connected in right peace
Fill on band 45, the regulation of described left installation band 43 is arranged on the other end of left connect band 42, and right installation band 45 regulation is arranged on
On the other end of right connect band 44.In the presence of left connect band 42 and right connect band 44, left installation band 43 and the right side can be adjusted
Position of the band 45 in left connect band 42 and right connect band 44 is installed, realizes that the something or somebody to fall back in sofa is highly adjusted, so as to adapt to not
With the user of height, meanwhile, left connect band 42 and right connect band 44 are realized be hinged with lower moulding 1a both ends respectively, you can real
Existing left connect band 42 and right connect band 44 descend moulding 1a to rotate relatively, finally realize that something or somebody to fall back on opposing frames 1 rotate.
A rivet hole one is offered in left connect band 42, riveting is offered on lower moulding 1a one end corresponding with rivet hole one
Rivet 1 is connected with nail two, rivet hole one and rivet hole two, a rivet hole three is offered in described right connect band 44,
Rivet hole four is offered on the lower moulding 1a other ends corresponding with rivet hole three-phase, rivet hole three in rivet hole four with being connected with riveting
Follow closely 2 48.Rivet 1 and rivet 2 48 can realize that left connect band 42 and right connect band 44 descend moulding 1a to rotate relatively,
So as to realize the rotation between something or somebody to fall back on travel(l)ing rests 4 and framework 1.
Two connecting holes one are offered in left connect band 42, some connecting holes two are offered on described left installation band 43,
Bolt and nut is connected with the corresponding connecting hole two of connecting hole one, in two corresponding connecting holes of two connecting holes one
Bolt and nut is worn in two, realizes fixation of the left installation band 43 in left connect band 42.Offered in described right connect band 44
Two connecting holes three, some connecting holes four, the corresponding connecting hole four of connecting hole three are offered on described right installation band 45
In be connected with bolt and nut.Bolt and nut is worn in two corresponding connecting holes four of two connecting holes three, realizes right peace
Fixation of the band 45 in right connect band 44 is filled, so as to realize that something or somebody to fall back on height is adjusted.
Being provided between something or somebody to fall back on mounting rods 41 and lower moulding 1a can not be after after something or somebody to fall back on mounting rods 41 return to home position
The continuous position limiting structure one down rotated, position limiting structure one include caging bolt 1, and one end of caging bolt 1 is fixed on a left side
In connect band 42, the other end of caging bolt 1 stretches out lower moulding 1a one end, when something or somebody to fall back on travel(l)ing rests 4 return to raw bits
The other end of caging bolt 1 can be resisted against on lower moulding 1a one end when putting.When caging bolt 1 the other end against
When on lower moulding 1a, that is, limit left connect band 42 and descend moulding 1a to be rotated further relatively, ultimately limit something or somebody to fall back on and be rotated further.
As it can be seen in figures 5 and 6, movable backrest support 5 includes backrest mounting rod 51, left mounting bar 52 and right mounting bar 53, lean on
Back of the body mounting rod 51, left mounting bar 52 are provided commonly for installing the backrest in sofa with right mounting bar 53.Left one end of mounting bar 52 is hinged
On lower moulding 1a one end, right one end of mounting bar 53 is hinged on the lower moulding 1a other end, described backrest mounting rod 51
One end be connected on the other end of left mounting bar 52, the other end of something or somebody to fall back on mounting rods 41 is connected in the other end of right mounting bar 53
On.Left mounting bar 52 is realized be hinged with lower moulding 1a both ends respectively with right mounting bar 53, you can realizes left mounting bar 52 and the right side
Mounting bar 53 descends moulding 1a both ends to rotate relatively, finally realizes that backrest opposing frame 1 rotates.
A rivet hole five is offered on left mounting bar 52, riveting is offered on lower moulding 1a one end corresponding with rivet hole five
Rivet 3 55 is connected with nail six, rivet hole five and rivet hole six, a rivet hole seven is offered on described right mounting bar 53,
Rivet hole eight is offered on the lower moulding 1a other ends corresponding with rivet hole seven, rivet hole seven in rivet hole eight with being connected with riveting
Follow closely 4 56.Rivet 3 55 and rivet 4 56 can realize that left mounting bar 52 and right mounting bar 53 descend moulding 1a both ends to occur relatively
Rotate, so as to realize the rotation between movable backrest support 5 and framework 1.
Being provided between backrest mounting rod 51 and lower moulding 1a can not be after after backrest mounting rod 51 returns to home position
The continuous position limiting structure two down rotated, position limiting structure two include caging bolt 2 54, and one end of caging bolt 2 54 is fixed on a left side
On mounting bar 52, the other end of caging bolt 2 54 stretches out lower moulding 1a one end, when movable backrest support 5 returns to raw bits
The other end of caging bolt 2 54 can be resisted against on lower moulding 1a when putting.When the other end of caging bolt 2 54 is against lower moulding
When on 1a one end, that is, limit the left opposing frame 1 of mounting bar 52 and be rotated further, ultimately limit backrest and be rotated further.
Such as Fig. 3,4,5,6,7 and 8, a motor mounting rod 6 is fixed with lower moulding 1a, motor mounting rod 6 is in something or somebody to fall back on work
Dynamic between support 4 and movable backrest support 5, motor mounting rod 6, which is provided with, can drive something or somebody to fall back on travel(l)ing rests 4 protruding and energy
Enough make its stretching, extension resetting structure one resetted and the stretching, extension that movable backrest support 5 can be driven protruding and can reset it
Resetting structure two.
As shown in Figures 3 and 4, stretching, extension resetting structure one includes push-rod electric machine 1 and back-moving spring 1, described push rod electricity
Machine 1 by bearing pin and being bolted on motor mounting rod 6, the push rod of push-rod electric machine 1 towards something or somebody to fall back on travel(l)ing rests 4, on
U-board 1 is fixed with the something or somebody to fall back on travel(l)ing rests 4 stated, being fixed with two by rotating shaft one on the push rod of push-rod electric machine 1 can
The roller 1 for promoting U-board 1 to swing, one end of described back-moving spring 1 are fixed in U-board 1, reset bullet
The other end of spring 1 is fixed on motor mounting rod 6.
When push-rod electric machine 1 acts, the push rod of push-rod electric machine 1 stretches out, the rolling of its end of the push rod band of push-rod electric machine 1
Take turns 1 to slide in U-board 1, so that the run-off the straight of U-board 1, now, back-moving spring 1 are stretched out, drive something or somebody to fall back on to live
Dynamic support 4 rotates, and stretches out the something or somebody to fall back in sofa, adapts to the something or somebody to fall back on locational requirements of user；When needing to reset something or somebody to fall back on, only
Need to close push-rod electric machine 1, in the presence of back-moving spring 1, it is possible to achieve back-moving spring 1 is converted into by retracted position
Initial position, can be to realize something or somebody to fall back on slow reset, and this is not only simple in structure, and regulative mode is more flexible.
As it can be seen in figures 5 and 6, stretching, extension resetting structure two includes push-rod electric machine 2 11 and back-moving spring 2 12, described push rod
Motor 2 11 is by bearing pin and being bolted on motor mounting rod 6, and the push rod of push-rod electric machine 2 11 is towards movable backrest support
5, it is fixed with U-board 2 13 on above-mentioned movable backrest support 5, two is fixed with by rotating shaft two on the push rod of push-rod electric machine 2 11
Individual to promote the roller 2 14 that U-board 2 13 is swung, one end of described back-moving spring 2 12 is fixed on U-board 2 13
On, the other end of back-moving spring 2 12 is fixed on motor mounting rod 6.
When push-rod electric machine 2 11 acts, the push rod of push-rod electric machine 2 11 stretches out, its end of the push rod band of push-rod electric machine 2 11
Roller 2 14 slided in U-board 2 13 so that the run-off the straight of U-board 2 13, now, back-moving spring 2 12 stretches out, band
Dynamic something or somebody to fall back on travel(l)ing rests 4 rotate, and stretch out the something or somebody to fall back in sofa, adapt to the something or somebody to fall back on locational requirements of user；When needing to make backrest
During reset, it is only necessary to push-rod electric machine 2 11 is closed, in the presence of back-moving spring 2 12, it is possible to achieve back-moving spring 2 12 is by stretching
Contracting condition conversion is initial position, can be to realize the slow reset of backrest, and this is not only simple in structure, and regulative mode is cleverer
It is living.
Something or somebody to fall back on and the mechanical extending device of backrest ejection in this function sofa, in mounting hole 1, mounting hole 23 and bolt
In the presence of nut, the spacing between lower moulding 1a and upper frame bar 1b can be suitably adjusted, so as to adjust the size of framework 1；
Motor can be installed, so as to provide power branch for the motion of something or somebody to fall back on travel(l)ing rests 4 and movable backrest support 5 on motor mounting rod 6
Hold；In the presence of push-rod electric machine 1 and back-moving spring 1, the stretching of specified location can be carried out to something or somebody to fall back on travel(l)ing rests 4,
It can also be resetted simultaneously；, can be to movable backrest support 5 in the presence of push-rod electric machine 2 11 and back-moving spring 2 12
The stretching of specified location is carried out, while it can also be resetted.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although 1, framework has more been used herein；1a, lower moulding；1b, upper frame bar；2nd, mounting hole one；3rd, mounting hole two；
4th, something or somebody to fall back on travel(l)ing rests；41st, something or somebody to fall back on mounting rods；42nd, left connect band；43rd, left installation band；44th, right connect band；45th, right installation band；
46th, caging bolt one；47th, rivet one；48th, rivet two；5th, movable backrest support；51st, backrest mounting rod；52nd, left mounting bar；
53rd, right mounting bar；54th, caging bolt two；55th, rivet three；56th, rivet four；6th, motor mounting rod；7th, push-rod electric machine one；8th, it is multiple
Position spring one；9th, U-board one；10th, roller one；11st, push-rod electric machine two；12nd, back-moving spring two；13rd, U-board two；14th, roller two
Deng term, but it is not precluded from the possibility using other terms.Conciliate using these terms just for the sake of more easily description
Release essence of the present utility model；Being construed as any additional limitation is disagreed with the utility model spirit
's.
Claims (8)
1. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa, including framework, described framework include the shape that takes the shape of the letter U
Lower moulding and the upper frame bar of shape of taking the shape of the letter U, it is lower to be provided with the governor motion that adjust frame size between moulding and upper frame bar, it is described
Lower moulding on be respectively equipped with something or somebody to fall back on travel(l)ing rests and movable backrest support, something or somebody to fall back on travel(l)ing rests are in the upper of movable backrest support
It is square, a motor mounting rod is fixed with described lower moulding, motor mounting rod is in something or somebody to fall back on travel(l)ing rests and movable backrest support
Between, described motor mounting rod, which is provided with, can drive something or somebody to fall back on travel(l)ing rests protruding and can answer its stretching, extension resetted
Bit architecture one and the stretching, extension resetting structure two that movable backrest support can be driven protruding and can reset it.
2. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa according to claim 1, it is characterised in that institute
The governor motion stated includes some mounting holes one being opened on lower moulding both ends and some peaces being opened on upper frame bar both ends
Hole two is filled, bolt and nut is connected with the corresponding mounting hole two of mounting hole one.
3. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa according to claim 2, it is characterised in that institute
The stretching, extension resetting structure one stated includes push-rod electric machine one and back-moving spring one, and described push-rod electric machine one is consolidated by bearing pin and bolt
It is scheduled on motor mounting rod, the push rod of push-rod electric machine one is fixed with U towards something or somebody to fall back on travel(l)ing rests on above-mentioned something or somebody to fall back on travel(l)ing rests
Shape plate one, two rollers one that U-board one can be promoted to swing are fixed with by rotating shaft one on the push rod of push-rod electric machine one,
One end of described back-moving spring one is fixed in U-board one, and the other end of back-moving spring one is fixed on motor mounting rod.
4. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa according to claim 3, it is characterised in that institute
The stretching, extension resetting structure two stated includes push-rod electric machine two and back-moving spring two, and described push-rod electric machine two is consolidated by bearing pin and bolt
It is scheduled on motor mounting rod, the push rod of push-rod electric machine two is fixed with U towards movable backrest support on above-mentioned movable backrest support
Shape plate two, two rollers two that U-board two can be promoted to swing are fixed with by rotating shaft two on the push rod of push-rod electric machine two,
One end of described back-moving spring two is fixed in U-board two, and the other end of back-moving spring two is fixed on motor mounting rod.
5. something or somebody to fall back on and the mechanical extending device of backrest ejection in the function sofa according to claim 1 or 2 or 3 or 4, it is special
Sign is that described something or somebody to fall back on travel(l)ing rests include something or somebody to fall back on mounting rods, left connect band, left installation band, right connect band and right installation band,
Described left connect band one end is hinged on one end of lower moulding, and right connect band one end is hinged on the other end of lower moulding, institute
The one end for the something or somebody to fall back on mounting rods stated is connected in left installation and taken, and the other end of something or somebody to fall back on mounting rods is connected in right installation and taken, described
Left installation band regulation be arranged on the other end of left connect band, it is right installation band adjust be arranged on the other end of right connect band；
A rivet hole one is offered in described left connect band, rivet hole is offered on lower moulding one end corresponding with rivet hole one
Two, rivet hole one offers a rivet hole three, with rivet hole with being connected with rivet one in rivet hole two in described right connect band
Rivet hole four is offered on the lower moulding other end corresponding to three-phase, rivet hole three in rivet hole four with being connected with rivet two；It is described
Left connect band on offer two connecting holes one, described left installation, which takes, offers some connecting holes two, connecting hole one with
Bolt and nut is connected with its corresponding connecting hole two, two connecting holes three, the described right side are offered in described right connect band
Installation, which takes, offers some connecting holes four, and bolt and nut is connected with the corresponding connecting hole four of connecting hole three；Described
The limit that can not continue down to rotate after something or somebody to fall back on mounting rods return to home position is provided between something or somebody to fall back on mounting rods and lower moulding
Bit architecture one.
6. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa according to claim 5, it is characterised in that institute
The position limiting structure one stated includes caging bolt one, and one end of caging bolt one is fixed in left connect band, caging bolt one it is another
One end of lower moulding is stretched out in one end, and when something or somebody to fall back on travel(l)ing rests return to home position, the other end of caging bolt one can be against
On one end of lower moulding.
7. something or somebody to fall back on and the mechanical extending device of backrest ejection in the function sofa according to claim 1 or 2 or 3 or 4, it is special
Sign is that described movable backrest support includes backrest mounting rod, left mounting bar and right mounting bar, described left mounting bar one end
It is hinged on one end of lower moulding, right mounting bar one end is hinged on the other end of lower moulding, and the one of described backrest mounting rod
End is connected on the other end of left mounting bar, and the other end of something or somebody to fall back on mounting rods is connected on the other end of right mounting bar；Described
A rivet hole five is offered on left mounting bar, rivet hole six, rivet are offered on lower moulding one end corresponding with rivet hole five
Rivet three is connected with Kong Wuyu rivet holes six, a rivet hole seven is offered on described right mounting bar, it is relative with rivet hole seven
Rivet hole eight is offered on the lower moulding other end answered, rivet hole seven in rivet hole eight with being connected with rivet four；Described backrest
The spacing knot that can not continue down to rotate after backrest mounting rod returns to home position is provided between mounting rod and lower moulding
Structure two.
8. something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa according to claim 7, it is characterised in that institute
The position limiting structure two stated includes caging bolt two, and one end of caging bolt two is fixed on left mounting bar, caging bolt two it is another
One end of lower moulding is stretched out in one end, and when movable backrest support returns to home position, the other end of caging bolt two can be against
On lower moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327786.7U CN207202559U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327786.7U CN207202559U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207202559U true CN207202559U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720327786.7U Active CN207202559U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207202559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106820734A (en) * | 2017-03-30 | 2017-06-13 | 浙江飞力科技股份有限公司 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
-
2017
- 2017-03-30 CN CN201720327786.7U patent/CN207202559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106820734A (en) * | 2017-03-30 | 2017-06-13 | 浙江飞力科技股份有限公司 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in function sofa |
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Address after: 314403 No. 30, Fenghuang Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Feili Technology Co.,Ltd. Address before: 314403 No. 30, Fenghuang Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG FEILI TECHNOLOGY Co.,Ltd. |