CN207202565U - Something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa - Google Patents
Something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa Download PDFInfo
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- CN207202565U CN207202565U CN201720327396.XU CN201720327396U CN207202565U CN 207202565 U CN207202565 U CN 207202565U CN 201720327396 U CN201720327396 U CN 201720327396U CN 207202565 U CN207202565 U CN 207202565U
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- somebody
- something
- fall back
- installation sheet
- 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 sofa, belongs to sofa technical field.Something or somebody to fall back on and the mechanical extending device of backrest ejection in this sofa, including framework, described framework includes end to end left frame plate successively, lower frame plate, right deckle board and upper deckle board, left installation sheet is fixed with the inside of left frame plate, right installation sheet is fixed with the inside of right deckle board, something or somebody to fall back on travel(l)ing rests and movable backrest support are provided between left installation sheet and right installation sheet, motor mounting rod is further fixed between left installation sheet and right installation sheet, 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 stretching, extension resetting structure one that it resets can be made protruding with driving movable backrest support and can make the stretching, extension resetting structure two of its reset.The utility model can realize the stretching and reset and something or somebody to fall back on stretching and reset of backrest in sofa.
Description
Technical field
The utility model belongs to sofa technical field, is related to a kind of mechanical extending device, something or somebody to fall back in particularly a kind of sofa
With 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, the motorized motions mode structure of something or somebody to fall back on and backrest is excessively complicated, influences the kinetic energy efficiency of motor；2nd, motor is being pacified
Need that it is fixed first with screw bolt and nut during dress, then it is fixed by alignment pin, make pushing away for motor
Bar active force is stable, so that the installation of motor becomes complicated, influences the packaging efficiency of sofa；3rd, the push rod stroke mistake of motor
It is long, cause the unstability of its power output.
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 on and is leaned in a kind of sofa
Carry on the back the mechanical extending device of ejection, technical problem to be solved in the utility model be how to realize in sofa the stretching of backrest with
Reset 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 machinery of backrest ejection are stretched in sofa
Extending apparatus, including framework, described framework include end to end left frame plate, lower frame plate, right deckle board and upper deckle board successively, left frame
Left installation sheet is fixed with the inside of plate, right installation sheet is fixed with the inside of right deckle board, is provided between left installation sheet and right installation sheet
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 top of movable backrest support, left installation sheet and right peace
Motor mounting rod is further fixed between load, motor mounting rod is between something or somebody to fall back on travel(l)ing rests and movable backrest support, described
Motor mounting rod be provided with something or somebody to fall back on travel(l)ing rests can be driven protruding and can make its reset stretching, extension resetting structure one
Stretching, extension resetting structure two that is protruding with driving movable backrest support and can resetting it.
Something or somebody to fall back on and the mechanical extending device of backrest ejection, can install motor on motor mounting rod in this sofa, so as to
Motion for something or somebody to fall back on travel(l)ing rests and movable backrest support provides power support；, can be with the presence of resetting structure one is stretched
The stretching of specified location is carried out to something or somebody to fall back on travel(l)ing rests, while it can also be resetted；In the effect 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 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 spiral shell
Bolt is fixed on motor mounting rod, and the push rod of push-rod electric machine one is solid on described something or somebody to fall back on travel(l)ing rests towards something or somebody to fall back on travel(l)ing rests
Surely there is arc one, arc one offers chute one along its length, and the push rod end of push-rod electric machine one passes through rotating shaft one
It is fixed with the slide plate one that can slide and promote arc one to swing along chute one, one end of described back-moving spring one
It is fixed on arc one, the other end of back-moving spring one is fixed on motor mounting rod.
When push-rod electric machine one acts, the push rod of push-rod electric machine one stretches out, the slide plate of its end of the push rod band of push-rod electric machine one
Slided in one chute one on arc one, so as to drive something or somebody to fall back on travel(l)ing rests to 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 push-rod electric machine one is closed, in the work of back-moving spring one
Under, 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, and this is not
Only simple in construction, 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 spiral shell
Bolt is fixed on motor mounting rod, and the push rod of push-rod electric machine one is solid on described movable backrest support towards movable backrest support
Surely there is arc two, arc two offers chute two along its length, and the push rod end of push-rod electric machine two passes through rotating shaft two
It is fixed with the slide plate two that can slide and promote arc two to swing along chute two, one end of described back-moving spring two
It is fixed on arc two, the other end of back-moving spring two is fixed on motor mounting rod.
When push-rod electric machine two acts, the push rod of push-rod electric machine two stretches out, the slide plate of its end of the push rod band of push-rod electric machine two
Slided in two chutes two on arc two, so as to drive movable backrest holder pivots, stretch out the backrest in sofa, adapted to
The position of back demand of user；When needing to make backrest return, it is only necessary to push-rod electric machine two is closed, in the work of back-moving spring two
Under, 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, and this is not
Only simple in construction, regulative mode is more flexible.
Described slide plate one and slide plate two are plastic bearing.
Described something or somebody to fall back on travel(l)ing rests include something or somebody to fall back on mounting rods, left connection board, left installing plate, right connection board and right installation
Plate, described left connection board one end are hinged on the upper end of left installation sheet, and right connection board one end is hinged on the upper end of right installation sheet, institute
The one end for the something or somebody to fall back on mounting rods stated is connected on left installing plate, and the other end of something or somebody to fall back on mounting rods is connected on right installing plate, described
The regulation of left installing plate be arranged on the other end of left connection board, the regulation of right installing plate is arranged on the other end of right connection board；
Being provided between described something or somebody to fall back on mounting rods and left frame plate can not continue down to turn after something or somebody to fall back on mounting rods return to original angle
Dynamic position limiting structure one.
Something or somebody to fall back on mounting rods, left installing plate are provided commonly for installing the something or somebody to fall back in sofa with right installing plate；And in left connection board and
In the presence of right connection board, left installing plate and position of the right installing plate in left connection board and right connection board 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 connection board and right connection board respectively with a left side
Installation sheet is realized be hinged with right installation sheet, you can realizes that the relatively left installation sheet of left connection board and right connection board occurs with right installation sheet
Rotate, finally realize that something or somebody to fall back on opposing frames rotate；In the presence of position limiting structure one, when something or somebody to fall back on resets, it will not make to lean on
Head turns over excessive angle, so as to cause the unnecessary trouble such as stuck.
A rivet hole one is offered in described left connection board, is opened up on the left installation sheet upper end corresponding with rivet hole one
There is rivet hole two, rivet hole one in rivet hole two with being connected be hinged rivet one；A rivet is offered in described right connection board
Hole three, rivet hole four is offered on right installation sheet upper end corresponding with rivet hole three-phase, rivet hole three is connected with rivet hole four
There is be hinged rivet two.
Be hinged rivet one and be hinged rivet two can realize the relatively left installation sheet of left connection board and right connection board and right installation
Piece rotates, so as to realize the rotation between something or somebody to fall back on travel(l)ing rests and framework.
Two connecting holes one are offered in described left connection board, some connecting holes are offered on described left installing plate
Two, bolt and nut is connected with the corresponding connecting hole two of connecting hole one；Two connections are offered in described right connection board
Hole three, some connecting holes four are offered on described right installing plate, spiral shell is connected with the corresponding connecting hole four of connecting hole three
Bolt nut.
Bolt and nut is worn in two corresponding connecting holes two of two connecting holes one, realizes left installing plate in left company
Fixation on fishplate bar；Bolt and nut is worn in two corresponding connecting holes four of two connecting holes three, realizes right installing plate
Fixation in right connection board, 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 connection board, spacing
The other end of bolt one stretches out left installation sheet, the other end energy of caging bolt one when something or somebody to fall back on travel(l)ing rests return to home position
Enough it is resisted against on left frame plate.
When the other end of caging bolt one is resisted against on left frame plate, that is, limits the relatively left installation sheet of left connection board and continue
Rotate, ultimately limit something or somebody to fall back on and be 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 the lower end of left installation sheet, and right mounting bar one end is hinged on the lower end of right installation sheet, and the one of described backrest mounting rod
End is connected on the other end of left mounting bar, and the other end of backrest mounting rod is connected on the other end of right mounting bar；Described
The limit that can not continue down to rotate after backrest mounting rod returns to original angle is provided between backrest mounting rod and right deckle board
Bit architecture 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
Fill bar realized respectively with left installation sheet and right installation sheet it is be hinged, you can realize the relatively left installation sheet of left connection board and right connection board with
Right installation sheet rotates, and finally realizes that backrest opposing frame rotates；In the presence of position limiting structure two, work as backrest return
When, backrest will not be made to turn over excessive angle, so as to cause the unnecessary trouble such as stuck.
A rivet hole five is offered on described left mounting bar, is opened up on the left installation sheet lower end corresponding with rivet hole five
There is rivet hole six, rivet hole five in rivet hole six with being connected be hinged rivet three；A rivet is offered on described right mounting bar
Hole seven, rivet hole eight is offered on the right installation sheet lower end corresponding with rivet hole seven, rivet hole seven is connected with rivet hole eight
There is be hinged rivet four.
Be hinged rivet three and be hinged rivet four can realize left mounting bar and the relatively left installation sheet of right mounting bar and right installation
Piece rotates, 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
Left installation sheet is stretched out in one end of bolt two, and when movable backrest support returns to home position, the other end of caging bolt two can
It is resisted against on left frame plate.
When the other end of caging bolt two is resisted against on left frame plate, that is, limits the relatively left installation sheet of left mounting bar and continue
Rotate, ultimately limit backrest and be rotated further.
Described left installation sheet and right installation sheet are fixed on framework by fixing rivet.
Compared with prior art, the utility model has advantages below：
1st, the utility model is connected with right installing plate and formed by something or somebody to fall back on mounting rods, left connection board, left installing plate, right connection board
Something or somebody to fall back on travel(l)ing rests, the spacing between left connection board and left installing plate and right connection board and right installing plate can be not only adjusted, from
And something or somebody to fall back on height is adjusted, the relatively left installation sheet of the something or somebody to fall back on travel(l)ing rests after regulating can also be made to occur to turn with right installation sheet
It is dynamic, so as to adjust something or somebody to fall back on angle, and pass through bolt and nut, be hinged rivet interlacement 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
The relatively left installation sheet of travel(l)ing rest rotates with right installation sheet, so as to adjust the angle of backrest, adapts to sofa user, and
Pass through bolt and nut, be hinged rivet interlacement so that it is very convenient to remove and install.
3rd, the utility model pushes directly on slide plate one on arc one by push-rod electric machine one and slided, so that something or somebody to fall back on lives
Dynamic support stretches out, and pushing directly on slide plate two on arc two by push-rod electric machine two slides, so that movable backrest support is stretched
Go out, push rod stroke greatly shortens, simple in construction, and 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 only needs that push-rod electric machine one and push-rod electric machine two are fixed on motor mounting rod by screw
, it is not necessary to it is fixed again using pin, packaging efficiency is very high.
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 overlooking the structure diagram when something or somebody to fall back on travel(l)ing rests stretch out.
Fig. 4 is dimensional structure diagram when something or somebody to fall back on travel(l)ing rests stretch out.
Fig. 5 is overlooking the structure diagram when movable backrest support stretches out.
Fig. 6 is dimensional structure diagram 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 overlooking the structure diagram stretched out.
Fig. 8 is something or somebody to fall back on travel(l)ing rests and movable backrest support while the dimensional structure diagram stretched out.
In figure, 1, framework；2nd, left installation sheet；3rd, right installation sheet；4th, something or somebody to fall back on travel(l)ing rests；41st, something or somebody to fall back on mounting rods；42nd, it is left
Connecting plate；43rd, left installing plate；44th, right connection board；45th, right installing plate；46th, caging bolt one；5th, movable backrest support；51st, lean on
Carry on the back mounting rod；52nd, left mounting bar；53rd, right mounting bar；54th, caging bolt two；6th, motor mounting rod；7th, push-rod electric machine one；8th, it is multiple
Position spring one；9th, arc one；10th, slide plate one；11st, push-rod electric machine two；12nd, back-moving spring two；13rd, arc two；14th, slide plate
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 sofa, including framework 1, framework 1 include adopting
Fixed with screw successively end to end left frame plate, lower frame plate, right deckle board and upper deckle board, the inner side of left frame plate by fixing rivet
There is left installation sheet 2, the inner side of right deckle board is fixed with right installation sheet 3 by fixing rivet.Between left installation sheet 2 and right installation sheet 3
Provided with something or somebody to fall back on travel(l)ing rests 4 and movable backrest support 5, something or somebody to fall back on travel(l)ing rests 4 are in the top of movable backrest support 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 connection board 42, left installing plate 43, right company
Fishplate bar 44 and right installing plate 45.Something or somebody to fall back on mounting rods 41, left installing plate 43 are provided commonly for installing leaning in sofa with right installing plate 45
Head.The one end of left connection board 42 is hinged on the upper end of left installation sheet 2, and the one end of right connection board 44 is hinged on the upper end of right installation sheet 3, leaned on
One end of head mounting rod 41 is connected on left installing plate 43, and the other end of something or somebody to fall back on mounting rods 41 is connected on right installing plate 45, left
The regulation of installing plate 43 is arranged on the other end of left connection board 42, and right installing plate 45 adjusts the other end for being arranged on right connection board 44
On.In the presence of left connection board 42 and right connection board 44, left installing plate 43 can be adjusted with right installing plate 45 in left connection board
42 and right connection board 44 on position, realize that the something or somebody to fall back in sofa is highly adjusted, so as to adapt to the user of different heights.Together
When, left connection board 42 and right connection board 44 are realized with left installation sheet 2 and right installation sheet 3 be hinged respectively, you can realize left connection board
42 and the relatively left installation sheet 2 of right connection board 44 rotated with right installation sheet 3, finally realize that something or somebody to fall back on opposing frames 1 rotate.
In the present embodiment, a rivet hole one, the left installation sheet 2 corresponding with rivet hole one are offered in left connection board 42
Rivet hole two is offered on upper end, rivet hole one in rivet hole two with being connected be hinged rivet one.Offered in right connection board 44
One rivet hole three, rivet hole four, rivet hole three and rivet hole four are offered on the right upper end of installation sheet 3 corresponding with rivet hole three-phase
In be connected be hinged rivet two.Be hinged rivet one and be hinged rivet two can realize that left connection board 42 and right connection board 44 are relatively left
Installation sheet 2 rotates with right installation sheet 3, so as to realize the rotation between something or somebody to fall back on travel(l)ing rests 4 and framework 1.
In the present embodiment, two connecting holes one are offered in left connection board 42, are offered on described left installing plate 43
Some connecting holes two, bolt and nut is connected with the corresponding connecting hole two of connecting hole one.It is right with it in two connecting holes one
Bolt and nut is worn in two connecting holes two answered, realizes fixation of the left installing plate 43 in left connection board 42.Right connection board 44
On offer two connecting holes three, some connecting holes four are offered on described right installing plate 45, connecting hole three is corresponding
Bolt and nut is connected with connecting hole four.Bolt and nut is worn in two corresponding connecting holes four of two connecting holes three,
Fixation of the right installing plate 45 in right connection board 44 is realized, 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 left frame plate can not continue after something or somebody to fall back on mounting rods 41 return to original angle
The position limiting structure one down rotated.Specifically, position limiting structure one includes caging bolt 1, and one end of caging bolt 1 is consolidated
Be scheduled in left connection board 42, the other end of caging bolt 1 stretches out left installation sheet 2, when something or somebody to fall back on travel(l)ing rests 4 return to it is original
The other end of caging bolt 1 can be resisted against on left frame plate during position.When the other end of caging bolt 1 is resisted against left frame
When on plate, that is, limit the relatively left installation sheet 2 of left connection board 42 and be rotated further, 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
In the lower end of left installation sheet 2, right one end of mounting bar 53 is hinged on the lower end of right installation sheet 3, and the one of described backrest mounting rod 51
End is connected on the other end of left mounting bar 52, and the other end of backrest mounting rod 51 is connected on the other end of right mounting bar 53.
Left mounting bar 52 is realized be hinged with left installation sheet 2 and right installation sheet 3 respectively with right mounting bar 53, you can realizes the He of left connection board 42
The relatively left installation sheet 2 of right connection board 44 rotates with right installation sheet 3, finally realizes that backrest opposing frame 1 rotates.
In the present embodiment, a rivet hole five, the left installation sheet 2 corresponding with rivet hole five are offered on left mounting bar 52
Rivet hole six is offered on lower end, rivet hole five in rivet hole six with being connected be hinged rivet three.Offered on right mounting bar 53
One rivet hole seven, rivet hole eight, rivet hole seven and rivet hole eight are offered on the lower end of right installation sheet 3 corresponding with rivet hole seven
In be connected be hinged rivet four.Be hinged rivet three and be hinged rivet four can realize that left mounting bar 52 and right mounting bar 53 are relatively left
Installation sheet 2 rotates with right installation sheet 3, so as to realize the rotation between movable backrest support 5 and framework 1.
Being provided between backrest mounting rod 51 and right deckle board can not continue after backrest mounting rod 51 returns to original angle
The position limiting structure two down rotated.Position limiting structure two includes caging bolt 2 54, and one end of caging bolt 2 54 is fixed on left peace
Fill on bar 52, left installation sheet 2 is stretched out in one end of caging bolt 2 54, spacing when movable backrest support 5 returns to home position
The other end of bolt 2 54 can be resisted against on left frame plate.When the other end of caging bolt 2 54 is resisted against on left frame plate, i.e.,
Limit the relatively left installation sheet 2 of left mounting bar 52 to be rotated further, ultimately limit backrest and be rotated further.
As shown in Fig. 3,4,5,6,7 and 8, motor mounting rod 6, motor are further fixed between left installation sheet 2 and right installation sheet 3
Mounting rod 6 is between something or somebody to fall back on travel(l)ing rests 4 and movable backrest support 5, and motor mounting rod 6, which is provided with, can drive something or somebody to fall back on movable
Support 4 is protruding and stretching, extension resetting structure one that it resets and driving movable backrest support 5 can be made protruding and can
The stretching, extension resetting structure two for resetting it.
Specifically, stretching, extension resetting structure one includes push-rod electric machine 1 and back-moving spring 1, and push-rod electric machine 1 passes through spiral shell
Bolt is fixed on motor mounting rod 6, and the push rod of push-rod electric machine 1 is towards something or somebody to fall back on travel(l)ing rests 4, described something or somebody to fall back on travel(l)ing rests 4
On be fixed with arc 1, arc 1 offers chute one along its length, and the push rod end of push-rod electric machine 1 passes through
Rotating shaft one is fixed with the slide plate 1 that can slide and promote arc 1 to swing along chute one, and slide plate 1 is modeling
Expect bearing, one end of back-moving spring 1 is fixed on arc 1, and the other end of back-moving spring 1 is fixed on motor mounting rod
On 6.
When push-rod electric machine 1 acts, the push rod of push-rod electric machine 1 stretches out, the cunning of its end of the push rod band of push-rod electric machine 1
Piece 1 slides in the chute one on arc 1, so as to drive something or somebody to fall back on travel(l)ing rests 4 to rotate, stretches the something or somebody to fall back in sofa
Go out, 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 1, resetting bullet
In the presence of spring 1, it is possible to achieve back-moving spring 1 is converted into initial position by retracted position, can be to realize that something or somebody to fall back on's is slow
Slow to reset, this is not only simple in structure, and regulative mode is more flexible.
More particularly, stretching, extension resetting structure two includes push-rod electric machine 2 11 and back-moving spring 2 12, described push rod electricity
Machine 2 11 is bolted on motor mounting rod 6, and towards movable backrest support 5, described leans on the push rod of push-rod electric machine 1
Arc 2 13 is fixed with back of the body travel(l)ing rest 5, arc 2 13 offers chute two, push-rod electric machine 2 11 along its length
Push rod end the slide plate two that can slide and promote arc 2 13 to swing along chute two is fixed with by rotating shaft two
14, slide plate 2 14 is plastic bearing, and one end of described back-moving spring 2 12 is fixed on arc 2 13, back-moving spring 2 12
The other end be fixed on motor mounting rod 6.Described slide plate 1 and slide plate 2 14 are plastic bearing.
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
Chute two of the slide plate 2 14 on arc 2 13 in slide, so as to drive movable backrest support 5 to rotate, make leaning in sofa
Dorsiflexion goes out, and adapts to the position of back demand of user；When needing to make backrest return, 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 converted into initial position by retracted position, can be with realization
The slow reset of backrest, this is not only simple in structure, and regulative mode is more flexible.
Something or somebody to fall back on and the mechanical extending device of backrest ejection, can install motor on motor mounting rod 6 in this sofa, so as to
Motion for something or somebody to fall back on travel(l)ing rests 4 and movable backrest support 5 provides power support；In push-rod electric machine 1 and back-moving spring 1
Under effect, the stretching of specified location can be carried out to something or somebody to fall back on travel(l)ing rests 4, while also it can be resetted；In push-rod electric machine
2 11 and back-moving spring 2 12 in the presence of, the stretching of specified location can be carried out to movable backrest support 5, while also can be to it
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；2nd, left installation sheet；3rd, right installation sheet；4th, something or somebody to fall back on travel(l)ing rests；41st, lean on
Head mounting rod；42nd, left connection board；43rd, left installing plate；44th, right connection board；45th, right installing plate；46th, caging bolt one；5th, backrest
Travel(l)ing rest；51st, backrest mounting rod；52nd, left mounting bar；53rd, right mounting bar；54th, caging bolt two；6th, motor mounting rod；7、
Push-rod electric machine one；8th, back-moving spring one；9th, arc one；10th, slide plate one；11st, push-rod electric machine two；12nd, back-moving spring two；13、
Arc two；14th, the second-class term of slide plate, but it is not precluded from the possibility using other terms.The use of these terms is only to be
More easily describe and explain essence of the present utility model；Being construed as any additional limitation is all and this reality
Disagreed with new spirit.
Claims (10)
1. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa, including framework, described framework include joining end to end successively
Left frame plate, lower frame plate, right deckle board and upper deckle board, be fixed with left installation sheet on the inside of left frame plate, be fixed with the inside of right deckle board
Right installation sheet, is provided with something or somebody to fall back on travel(l)ing rests and movable backrest support between left installation sheet and right installation sheet, at something or somebody to fall back on travel(l)ing rests
Motor mounting rod is further fixed between the top of movable backrest support, left installation sheet and right installation sheet, motor mounting rod is in
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 outside
Stretch out and can make its stretching, extension resetting structure one resetted and drive movable backrest support protruding and can make what it resetted
Stretch resetting structure two.
2. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 1, it is characterised in that described
Stretching, extension resetting structure one includes push-rod electric machine one and back-moving spring one, and described push-rod electric machine one is bolted on motor peace
Fill on bar, the push rod of push-rod electric machine one is fixed with arc one, arc towards something or somebody to fall back on travel(l)ing rests on described something or somebody to fall back on travel(l)ing rests
Shape plate one offers chute one along its length, and the push rod end of push-rod electric machine one is fixed with by rotating shaft one can be along cunning
Groove one slides and promoted the slide plate one that arc one is swung, and one end of described back-moving spring one is fixed on arc one
On, the other end of back-moving spring one is fixed on motor mounting rod.
3. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 2, it is characterised in that described
Stretching, extension resetting structure two includes push-rod electric machine two and back-moving spring two, and described push-rod electric machine two is bolted on motor peace
Fill on bar, the push rod of push-rod electric machine one is fixed with arc two, arc towards movable backrest support on described movable backrest support
Shape plate two offers chute two along its length, and the push rod end of push-rod electric machine two is fixed with by rotating shaft two can be along cunning
Groove two slides and promoted the slide plate two that arc two is swung, and one end of described back-moving spring two is fixed on arc two
On, the other end of back-moving spring two is fixed on motor mounting rod.
4. something or somebody to fall back on and the mechanical extending device of backrest ejection in the sofa according to claim 1 or 2 or 3, it is characterised in that
Described something or somebody to fall back on travel(l)ing rests include something or somebody to fall back on mounting rods, left connection board, left installing plate, right connection board and right installing plate, described
Left connection board one end is hinged on the upper end of left installation sheet, and right connection board one end is hinged on the upper end of right installation sheet, described something or somebody to fall back on
One end of mounting rod is connected on left installing plate, and the other end of something or somebody to fall back on mounting rods is connected on right installing plate, described left installation
Plate regulation is arranged on the other end of left connection board, and right installing plate regulation is arranged on the other end of right connection board；Described leans on
Be provided between head mounting rod and left frame plate can not continue down to rotate after something or somebody to fall back on mounting rods return to original angle it is spacing
Structure one.
5. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 4, it is characterised in that described
A rivet hole one is offered in left connection board, rivet hole two, riveting are offered on the left installation sheet upper end corresponding with rivet hole one
Nail one in rivet hole two with being connected be hinged rivet one；A rivet hole three is offered in described right connection board, with rivet hole
Rivet hole four is offered corresponding to three-phase on right installation sheet upper end, rivet hole three in rivet hole four with being connected be hinged rivet two.
6. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 4, it is characterised in that described
Two connecting holes one are offered in left connection board, offer some connecting holes two on described left installing plate, connecting hole one and its
Bolt and nut is connected with corresponding connecting hole two；Two connecting holes three, described right peace are offered in described right connection board
Some connecting holes four are offered in loading board, bolt and nut is connected with the corresponding connecting hole four of connecting hole three.
7. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 4, it is characterised in that described
Position limiting structure one includes caging bolt one, and one end of caging bolt one is fixed in left connection board, the other end of caging bolt one
Left installation sheet is stretched out, the other end of caging bolt one can be resisted against left frame plate when something or somebody to fall back on travel(l)ing rests return to home position
On.
8. something or somebody to fall back on and the mechanical extending device of backrest ejection in the sofa according to claim 1 or 2 or 3, it is characterised in that
Described movable backrest support includes backrest mounting rod, left mounting bar and right mounting bar, and described left mounting bar one end is hinged on
The lower end of left installation sheet, right mounting bar one end are hinged on the lower end of right installation sheet, and one end of described backrest mounting rod is connected in
On the other end of left mounting bar, the other end of backrest mounting rod is connected on the other end of right mounting bar；Described backrest installation
The position limiting structure two that can not continue down to rotate after backrest mounting rod returns to original angle is provided between bar and right deckle board.
9. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 8, it is characterised in that described
A rivet hole five is offered on left mounting bar, rivet hole six, riveting are offered on the left installation sheet lower end corresponding with rivet hole five
Nail five in rivet hole six with being connected be hinged rivet three；A rivet hole seven is offered on described right mounting bar, with rivet hole
Rivet hole eight is offered on seven corresponding right installation sheet lower ends, rivet hole seven in rivet hole eight with being connected be hinged rivet four.
10. something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa according to claim 8, it is characterised in that described
Position limiting structure two include caging bolt two, one end of caging bolt two is fixed on left mounting bar, one end of caging bolt two
Left installation sheet is stretched out, the other end of caging bolt two can be resisted against left frame plate when movable backrest support returns to home position
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327396.XU CN207202565U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720327396.XU CN207202565U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207202565U true CN207202565U (en) | 2018-04-10 |
Family
ID=61810508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720327396.XU Active CN207202565U (en) | 2017-03-30 | 2017-03-30 | Something or somebody to fall back on and the mechanical extending device of backrest ejection in sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207202565U (en) |
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2017
- 2017-03-30 CN CN201720327396.XU patent/CN207202565U/en active Active
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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. |
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