CN110037463A - A kind of sitting posture regulating device for low seat seating unit - Google Patents
A kind of sitting posture regulating device for low seat seating unit Download PDFInfo
- Publication number
- CN110037463A CN110037463A CN201910248091.3A CN201910248091A CN110037463A CN 110037463 A CN110037463 A CN 110037463A CN 201910248091 A CN201910248091 A CN 201910248091A CN 110037463 A CN110037463 A CN 110037463A
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- connecting rod
- foot
- seating unit
- seat seating
- low seat
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000008602 contraction Effects 0.000 claims abstract description 14
- 230000036544 posture Effects 0.000 claims description 73
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000009304 pastoral farming Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/02—Rocking chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/18—Chairs or stools with rotatable seat
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/56—Parts or details of tipping-up chairs, e.g. of theatre chairs
- A47C7/563—Parts or details of tipping-up chairs, e.g. of theatre chairs provided with a back-rest moving with the seat
Abstract
The present invention relates to a kind of sitting posture regulating devices for low seat seating unit, including rear mounting bracket, seat plate and foot-rest bracket；Mounting bracket is used to that the posture of the backrest of low seat seating unit to be adjusted after described, the seat plate setting is after described between mounting bracket and the foot-rest bracket, and the posture for the portions to low seat seating unit is adjusted, the foot-rest bracket is for being adjusted the posture for setting foot of low seat seating unit；The sitting posture regulating device further includes transmission connecting mechanism, the transmission connecting mechanism is used to be sequentially connected between mounting bracket, the seat plate and the foot-rest bracket afterwards to described, pass through the design to transmission connecting mechanism, so that in low seat seating unit when switching posture, the connecting rod of transmission connecting mechanism will not grazing pedestal or ground, and foot-rest bracket also has enough height in contraction state from the ground, solves the technical issues of lower low seat seating unit is easy grazing damage.
Description
Technical field
The present invention relates to seating unit field more particularly to a kind of sitting posture regulating devices for low seat seating unit.
Background technique
Seating unit is seen everywhere in daily life, is applied to multiple scenes, such as sofa common in furniture, lie
Chair, the seat etc. at the seat of movie theatre, in transportation work.With the development of science and technology with the increasingly raising of living standards of the people, people
The comfort of seating unit is required it is also higher and higher.Adjustable low seat seating unit is widely used in the prior art,
General low seat seating unit can be adjusted be include sitting posture, stretching, extension appearance and lying posture.Wherein sitting posture is the curling position of standard,
The state of its seat most original is sat down normal use in daily life to people, and portions are in generally horizontal orientation at this time
And backrest be arranged to it is substantially upright；Appearance state is stretched, then the commonly referred to as position TV, set foot and stretched to the front of portions, and leaned on
Back keep it is sufficiently upright, with allow low seat seating unit occupant comfort watch TV.And backward position (or lie
Appearance), backrest is positioned to portions into obtuse angle relationship backward for resting or sleep from extended position.
Wherein, the sitting posture regulating device for adjusting these three postures includes rear mounting bracket, seat plate, foot-rest bracket；
For the posture of backrest to be adjusted, seat plate is arranged between rear mounting bracket and foot-rest bracket mounting bracket afterwards, is used in combination
It is adjusted in the posture to portions, posture of the foot-rest bracket for opposed foot is adjusted.
In adjustable seating unit, there are the relatively low seating unit in some seats, such as low seat height pendulum chair etc., low seats
Height pendulum chair designs lower than the pendulum seat of the prior art, is adapted to more sofa styles, raising comfort level, however,
When designing the lower pendulum chair in such seat, it is easy to have following defects that and is adjusted to lying posture in contraction appearance or lying posture is adjusted to
When shrinking appearance, sets foot and need to open or bounce back with the angle stretching, extension of an arc.And the radius of turn opened usually depends on
Length of connecting rod between seat plate and foot-rest bracket.Traditional link design can not meet human body if design is too short and stretch
The demand of leg rest when showing beauty, if design it is too long if due to low seat height pendulum chair seat it is lower, set foot be easy with ground or
Pedestal grazing, and swung in contraction state if necessary to seat, setting foot can also be easy to make impact with the ground.Therefore, at present
Market in urgent need provides a kind of seating unit sitting posture regulating device, so that setting under the premise of meeting client's leg rest length requirement
Foot is sufficiently high, and contraction process components are not easy to collide.
Summary of the invention
It is used as unit regulating mechanism in order to solve the above-mentioned technical problems, the present invention provides a kind of, sitting posture regulating device includes
Transmission connecting mechanism, transmission connecting mechanism lead to for being sequentially connected between rear mounting bracket, seat plate and foot-rest bracket
The design to transmission connecting mechanism is crossed, so that the connecting rod of transmission connecting mechanism will not in low seat seating unit when switching posture
Grazing pedestal or ground solve the technical issues of lower low seat seating unit is easy grazing damage.
What technical effect of the invention was achieved by the following procedure:
Low seat seating unit includes backrest, portions and sets foot comprising backrest, portions and sets foot.
The present invention provides a kind of sitting posture regulating device for low seat seating unit, and low seat seating unit is adjustable to
It shrinks, stretch appearance and lying posture.Wherein it is characterized in that；The sitting posture regulating device includes rear mounting bracket, seat plate, leg rest branch
Frame；Mounting bracket is for being adjusted the posture of the backrest after described, seat plate setting mounting bracket after described
Between the foot-rest bracket, and for the posture of portions to be adjusted, the foot-rest bracket is used for the foot of setting
Posture is adjusted；
The sitting posture regulating device further includes transmission connecting mechanism, the transmission connecting mechanism be used for by rear mounting bracket,
Seat plate and foot-rest bracket transmission connection；The transmission connecting mechanism includes the first seat plate connecting rod, the second seat plate connecting rod, the
One foot-rest bracket connecting rod and the second foot-rest bracket connecting rod；One end of described first seat plate connecting rod one end and the second seat plate connecting rod
It is hinged with the seat plate respectively, one end of described first foot-rest bracket connecting rod one end and the second foot-rest bracket connecting rod respectively with institute
It is hinged to state foot-rest bracket；
The transmission connecting mechanism further includes at least one intermediate connecting rod, the other end of the second seat plate connecting rod and institute
The other end for stating the second foot-rest bracket connecting rod is separately connected the intermediate connecting rod.The setting of logical intermediate connecting rod reduces original the
The length of two seat plate connecting rods effectively reduces so that the radius of turn of the second seat plate connecting rod reduces during adjustment
Foot-rest bracket hits the risk on pedestal or ground.
In preferred embodiment, the other end phase of the other end of the first seat plate connecting rod and the first foot-rest bracket connecting rod
Even.That is the first seat plate connecting rod and the first foot-rest bracket connecting rod keep original connection type, do not need in addition to design, and only need
Intermediate connecting rod between second seat plate connecting rod and the second foot-rest bracket connecting rod is designed.
In this preferred embodiment, further, there are two intermediate connecting rod tools, and described two intermediate connecting rods are respectively the
One intermediate connecting rod and the second intermediate connecting rod.
Further, the other end of the second seat plate connecting rod and first intermediate connecting rod one end are in the first hinge joint
Hingedly, the other end of first intermediate connecting rod and second intermediate connecting rod one end are hinged point articulated second, and described second
The other end of intermediate connecting rod and the other end of the second foot-rest bracket connecting rod are hingedly point articulated in the third.
Further, when the low seat seating unit is located at stretching, extension appearance, first hinge joint is cut with scissors higher than the third
Contact, and first hinge joint is not higher than the hinge joint of the first foot-rest bracket connecting rod and the foot-rest bracket.Described
One seat plate connecting rod is hinged point articulated the 4th with first intermediate connecting rod, and the 4th hinge joint is located at first seat
Between plate connecting rod two end and between first intermediate connecting rod both ends；Among the first foot-rest bracket connecting rod and described second
Connecting rod is hinged point articulated the 5th, and the 5th hinge joint is between the first foot-rest bracket connecting rod two end and in described second
Between between connecting rod two end.The connection relationship and positional relationship between each connecting rod are defined in this way, are enabled when shrinking by suitable
Sequence folds, and the foot-rest bracket after final contraction is sufficiently high.
Further, when the low seat seating unit is located at stretching, extension appearance, in first intermediate connecting rod and described second
Between connecting rod hinge joint i.e. the first hinge joint be higher than second intermediate connecting rod and the first foot-rest bracket connecting rod hinge joint
And second hinge joint, and simultaneously, hinge joint i.e. the second hinge joint of first intermediate connecting rod and second intermediate connecting rod is not
Higher than the hinge joint of the first foot-rest bracket connecting rod and the foot-rest bracket.Such position restriction to connect among addition
After bar, stretching process Zhong Zhi foot solves the problems, such as to set foot too low than more upper lift in the past, and will not allow intermediate connecting rod
Highest point be more than set foot, influence leg rest.Stretching, extension appearance herein is the stretching, extension appearance for low seat seating unit, at this time seat plate
Connecting rod between foot-rest bracket full extension.
Specifically, when the low seat seating unit is located at stretching, extension appearance, first hinge joint and the third hinge joint
Difference in height range is 20mm-60mm, preferably 40mm.And first hinge joint and the first foot-rest bracket connecting rod and institute
The difference in height range for stating the hinge joint of foot-rest bracket is 10-60mm, preferably 40mm.
Further, between first hinge joint and second hinge joint at first intermediate connecting rod both ends away from
From for 160-200mm, preferably 180mm.Second hinge joint and third hinge joint at second intermediate connecting rod both ends
The distance between be 80-120mm, preferably 100mm.In addition, when the second seat plate connecting rod is connected to seat plate in the present invention
Radius of gyration range be 90-150mm, preferably 120mm, by the setting to dimensions above range, so that entire adjusted
It is reasonable that the adjustment process of device more is stablized.
Further, in order to limit adjusting position, the transmission connecting mechanism further includes limit connecting rod and limiting bracket, institute
It states limit connecting rod one end and the first seat plate connecting rod is hinged, the other end and the limiting bracket of the limit connecting rod are cut with scissors
It connects, the limiting bracket is connected with rear mounting bracket and/or seat plate.
In another preferred embodiment, the other end of the first seat plate connecting rod and the first foot-rest bracket connecting rod
The other end be also separately connected the intermediate connecting rod, so that the length of First seat plate connecting rod also reduces accordingly.And
Specifically, being equipped with two institutes between the other end of the second seat plate connecting rod and the other end of the second foot-rest bracket connecting rod
Intermediate connecting rod is stated, two are equipped between the other end of the first seat plate connecting rod and the other end of the first foot-rest bracket connecting rod
Intermediate connecting rod described in root.
In addition, the present invention also provides a kind of low seat seating unit, the low seat seating unit includes backrest, portions and sets foot
Portion and sitting posture regulating device including related art scheme as described above.
Further, the low seat seating unit also packet pedestal, the sitting posture regulating device includes base assembly, the base
Holder assembly is connected with the pedestal.
Further, the low seat seating unit can be adjusted to by the sitting posture regulating device shrinks appearance, stretching, extension appearance and lies
Appearance, when the low seat seating unit is located at contraction appearance, the foot of setting is located at minimum point, and the seat plate can be relative to described
Base assembly is swung.
In order to increase the swing function under retracted posture, and guarantee to swing in the case where stretching posture, it is further, described
Base assembly further includes spacer pin, and the transmission connection component includes limit connector, and the limit connector is equipped with and institute
The limiting slot for stating spacer pin cooperation, when the low seat seating unit is located at the contraction appearance, the limiting slot and the spacer pin
It disengages；When the low seat seating unit is located at the stretching, extension appearance or lying posture, the limiting slot is engaged with the spacer pin.
Further, the pedestal of low seat seating unit may be configured as can be rotated or not can be rotated.
As described above, the invention has the following beneficial effects:
1. by the design to connecting rod between more seat plates and foot-rest bracket, while guaranteeing leg rest length, leg rest branch
Frame will not generate grazing to ground or pedestal, and it is liftoff sufficiently high in contraction state to set foot；
2. foot-rest bracket can be made all to transport in the range of restriction during the motion by design limit connector
It is dynamic, and by the cooperation with limiting bracket, so that rear mounting bracket, seat plate and foot-rest bracket are moved by synchronous matching；
3. guarantee that seat can arbitrarily be swung in a contracted state by setting banking pin, and when stretching appearance and lying posture
Then limit swing, it is ensured that the safety of user.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, additionally it is possible to obtain it according to these attached drawings
Its attached drawing.
Structural schematic diagram when Fig. 1 is seating unit sitting posture of the present invention；
Fig. 2 is the structural schematic diagram that seating unit of the present invention stretches appearance；
Fig. 3 is the structural schematic diagram of seating unit lying posture of the present invention；
Fig. 4 is structural schematic diagram of the regulating mechanism of the low seat seating unit of the present invention when stretching appearance；
Fig. 5 is the reverse view of Fig. 4；
Fig. 6 is structural schematic diagram of the regulating mechanism of the low seat seating unit of the present invention when shrinking appearance；
Fig. 7 is structural schematic diagram of the regulating mechanism of the low seat seating unit of the present invention in lying posture；
Fig. 8 is assemblied in structural schematic diagram when pedestal for the regulating mechanism of the low seat seating unit of the present invention.
Wherein, appended drawing reference is corresponding in figure are as follows:
1, backrest；2, portions；3, foot is set；11, rear mounting bracket；12, seat plate；13, foot-rest bracket；20, transmission connects
Connection mechanism；21, the first seat plate connecting rod；22, the second seat plate connecting rod；23, the first foot-rest bracket connecting rod；24, the second leg rest branch
Frame connecting rod；25, the first intermediate connecting rod；26, the second intermediate connecting rod；27, connecting rod is limited；28 limiting brackets；29, limit connector；
30, base assembly；31, spacer pin；40, pedestal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment 1:
Low seat seating unit as shown in Figs. 1-3, low seat seating unit include backrest 1, portions 2 and set foot 3；Fig. 1 is extremely
Fig. 3 is successively respectively corresponded can be adjusted to sitting posture, stretching, extension appearance and lying posture by sitting posture regulating device.Low seat seating unit is from Fig. 1 sitting posture
Being adjusted to Fig. 2 stretching, extension appearance was the first adjusting stage, adjusted the stage first, and 1 angle of backrest is held essentially constant, set foot 3 from
Minimum point up extends, low seat seating unit from the stretching, extension appearance of Fig. 2 be adjusted to Fig. 3 lying posture be the second adjusting stage, second
It adjusts in phase process, 1 angle of backrest becomes larger, and sets foot 3 and continues to be lifted, until the lying posture for being adjusted to final terminates.
Specifically, sitting posture regulating device is referring to attached drawing 4-7, sitting posture regulating device include rear mounting bracket 11, seat plate 12,
Foot-rest bracket 13；For the posture of backrest to be adjusted, seat plate 12 is arranged in rear 11 He of mounting bracket mounting bracket 11 afterwards
Between foot-rest bracket, and for the posture of portions to be adjusted, posture of the foot-rest bracket 13 for opposed foot is adjusted；
Sitting posture regulating device further includes transmission connecting mechanism 20, and transmission connecting mechanism is used for rear mounting bracket 11, seat
Plate 12 and foot-rest bracket 13 are sequentially connected；Transmission connecting mechanism 20 include the first seat plate connecting rod 21, the second seat plate connecting rod 22,
First foot-rest bracket connecting rod 23 and the second foot-rest bracket connecting rod 24；First seat plate connecting rod, 21 one end and the second seat plate connecting rod 22
One end it is hinged with seat plate 12 respectively, one end point of one end of the first foot-rest bracket connecting rod 23 and the second foot-rest bracket connecting rod 24
It is not hinged with foot-rest bracket；
Transmission connecting mechanism further includes at least one intermediate connecting rod, the other end and the second leg rest of the second seat plate connecting rod 22
The other end of rack rod 24 is separately connected intermediate connecting rod.The setting of logical intermediate connecting rod, reduces original second seat plate connecting rod
22 length effectively reduces foot-rest bracket so that the radius of turn of the second seat plate connecting rod 22 reduces during adjustment
Hit the risk on pedestal or ground.
The other end of the other end of first seat plate connecting rod 21 and the first foot-rest bracket connecting rod 23 is connected.That is the first seat plate
Connecting rod 21 and the first foot-rest bracket connecting rod 23 keep original connection type, do not need in addition to design, it is only necessary to second
Intermediate connecting rod between chair plate connecting rod 22 and the second foot-rest bracket connecting rod 24 is designed.
There are two intermediate connecting rod tools, and two intermediate connecting rods are respectively the first intermediate connecting rod 25 and the second intermediate connecting rod 26.
The other end of second seat plate connecting rod 22 is hinged point articulated first with 25 one end of the first intermediate connecting rod, among first
The other end of connecting rod 25 and 26 one end of the second intermediate connecting rod are hinged point articulated second, the other end of the second intermediate connecting rod 26 and the
The other end of two foot-rest bracket connecting rods 24 is hingedly point articulated in third.
First hinge joint is lower than the highest point of the first seat plate connecting rod 21, and the second hinge joint is higher than the first foot-rest bracket connecting rod
23 minimum point, third hinge joint are lower than the highest point of the first foot-rest bracket.First seat plate connecting rod 21 and the first intermediate connecting rod
25 is hinged point articulated the 4th, and the 4th hinge joint is between 21 both ends of the first seat plate connecting rod and 25 liang of the first intermediate connecting rod
Between end；First foot-rest bracket connecting rod 23 is hinged point articulated the 5th with the second intermediate connecting rod 26, and the 5th hinge joint is located at first
Between 23 both ends of foot-rest bracket connecting rod and between 26 both ends of the second intermediate connecting rod.Define that the connection between each connecting rod is closed in this way
System and positional relationship enable and fold in order when shrinking, and the foot-rest bracket after final contraction is sufficiently high.
When low seat seating unit is located at stretching, extension appearance, the hinge joint of the first intermediate connecting rod 25 and the second intermediate connecting rod 26 is higher than
The hinge joint of second intermediate connecting rod 26 and the first foot-rest bracket connecting rod 23, and simultaneously, connect among the first intermediate connecting rod 25 and second
Hinge joint of the hinge joint of bar 26 not higher than the first foot-rest bracket connecting rod 23 and foot-rest bracket 13.Such position restriction makes
After intermediate connecting rod is added, stretching process Zhong Zhi foot than more upper lift in the past, solve the problems, such as to set foot it is too low, and will not
It allows the highest point of intermediate connecting rod more than foot is set, influences leg rest.
Specifically, when the low seat seating unit is located at stretching, extension appearance, first hinge joint and the third hinge joint
Difference in height range is 20mm-60mm, is 40mm in this embodiment.And first hinge joint and the first foot-rest bracket connecting rod
Difference in height range with the hinge joint of the foot-rest bracket is 10-60mm, is 40mm in this embodiment.
Further, between first hinge joint and second hinge joint at 25 both ends of the first intermediate connecting rod
Distance is 160-200mm, is 180mm in this embodiment.Second hinge joint at 26 both ends of the second intermediate connecting rod and
The distance between three hinge joints are 80-120mm, are 100mm in this embodiment.In addition, the second seat plate connecting rod 22 in the present invention
Radius of gyration range when being connected to seat plate 12 is 90-150mm, is 120mm in this embodiment, by dimensions above range
Setting so that the adjustment process of entire regulating device more stablize it is reasonable.
Motion process: when the sitting posture regulating device is transformed to the contraction appearance of Fig. 6 by the stretching, extension appearance of Fig. 4, the first seat plate connects
Bar 21 and the second seat plate connecting rod 22 are relatively rotated relative to seat plate 12, and the second seat plate connecting rod being arranged below
22 define that entire sitting posture regulating device may move downward the minimum point encountered, and by introducing the first intermediate connecting rod 25
With the second intermediate connecting rod 26 so that the second seat plate connecting rod shortens accordingly.And in contraction process, it is mutually rolled between each connecting rod
Folded, foot-rest bracket 13 can lift higher in which final state.
In addition, transmission connecting mechanism further includes limit connecting rod 27 and limiting bracket 28, and limit connects in order to limit adjusting position
27 one end of bar is hinged with the first seat plate connecting rod 21, and the other end and the limiting bracket 28 for limiting connecting rod 27 are hinged, limiting bracket with
Mounting bracket 11 and seat plate 12 are connected afterwards.
Sitting posture regulating device further includes base assembly, and base assembly with pedestal for being connected.
In order to increase the swing function under retracted posture, and guarantee to swing in the case where stretching posture, further, pedestal
Component 30 further includes spacer pin 31, and transmission connection component 20 further includes limit connector 29, and 29 are equipped with and limit on limit connector
The limiting slot that position pin is closed with 31, sitting posture regulating device is positioned at when shrinking appearance, and limiting slot and spacer pin 31 disengage, as shown in Figure 6；It is low
When seat seating unit is located at stretching, extension appearance, limiting slot is engaged with spacer pin 31.
Embodiment 2:
Remaining setting of the present embodiment is same as Example 1, and difference is, the other end and first of the first seat plate connecting rod
The other end of foot-rest bracket connecting rod is also separately connected intermediate connecting rod, so that the length of First seat plate connecting rod is also corresponding
Reduce.And it specifically, is equipped in two between the other end of the second seat plate connecting rod and the other end of the second foot-rest bracket connecting rod
Between connecting rod, between the other end of the first seat plate connecting rod and the other end of the first foot-rest bracket connecting rod be equipped with two intermediate connecting rods.
Embodiment 3:
Sliding rail is provided on base assembly, the seat plate is swung by transmission connecting mechanism with respect to sliding rail.In other realities
It applies in example, base assembly is swung equipped with idler wheel, and the seat plate is realized by the opposite connection idler wheel of transmission connecting mechanism and swung.
Embodiment 4:
In this embodiment, further include pedestal for supporting entire seat unit, as shown in figure 8, sitting posture regulating device
It is to be fixed by base assembly 30 on the base 40 it, wherein the pedestal 40 is turnable base.
In addition, the low seat seating unit being arranged in all embodiments, application scenarios include but is not limited to furniture sofa,
Used leisure reclining chair, movie theatre or hospital seat, vehicle seat etc..
Above-mentioned multiple embodiments, by the design to transmission connecting mechanism, so that in low seat seating unit in switching posture
When, the connecting rod of transmission connecting mechanism will not grazing pedestal or ground, and foot-rest bracket also has foot in contraction state from the ground
Enough height solve the technical issues of lower low seat seating unit is easy grazing damage.
Although the present invention has been described by means of preferred embodiments, the present invention is not limited to described here
Embodiment, without departing from the present invention further include made various changes and variation.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (18)
1. a kind of sitting posture regulating device for low seat seating unit, which is characterized in that
The sitting posture regulating device includes rear mounting bracket (11), seat plate (12) and foot-rest bracket (13)；
Mounting bracket (11) is used to that the posture of the backrest (1) of the low seat seating unit to be adjusted after described, the seat
Plate (12) setting is used between the rear mounting bracket (11) and the foot-rest bracket (13) to the low seat seating unit
The postures of portions (2) be adjusted, the foot-rest bracket (13) is used for the appearance for setting foot (3) to the low seat seating unit
State is adjusted；
The sitting posture regulating device further includes transmission connecting mechanism (20), and the transmission connecting mechanism (20) is used for will the rear peace
Fill bracket (11), the seat plate (12) and the foot-rest bracket (13) transmission connection；The transmission connecting mechanism includes first
Seat plate connecting rod (21), the second seat plate connecting rod (22), the first foot-rest bracket connecting rod (23) and the second foot-rest bracket connecting rod (24)；
One end of the first seat plate connecting rod (21) and one end of the second seat plate connecting rod (22) are cut with scissors with the seat plate (12) respectively
Connect, one end of one end of the first foot-rest bracket connecting rod (23) and the second foot-rest bracket connecting rod (24) respectively with the leg rest branch
Frame (13) is hinged；
The transmission connecting mechanism (20) further includes intermediate connecting rod, the other end of the second seat plate connecting rod (22) and described
The other end of two foot-rest bracket connecting rods (24) is separately connected the intermediate connecting rod.
2. a kind of sitting posture regulating device for low seat seating unit according to claim 1, which is characterized in that described
The other end of one seat plate connecting rod (21) is connected with the other end of the first foot-rest bracket connecting rod (23)；The intermediate connecting rod tool
There are two, described two intermediate connecting rods are respectively the first intermediate connecting rod (25) and the second intermediate connecting rod (26)；Second seat
The other end of plate connecting rod (22) is with described first intermediate connecting rod (25) one end in the first hinged point articulated, first intermediate connecting rod
(25) the other end is hinged point articulated second with described second intermediate connecting rod (26) one end, second intermediate connecting rod (26)
The other end and the other end of the second foot-rest bracket connecting rod (24) are hingedly point articulated in the third.
3. a kind of sitting posture regulating device for low seat seating unit according to claim 2, which is characterized in that when described
When low seat seating unit is located at stretching, extension appearance, first hinge joint is higher than the third hinge joint.
4. a kind of sitting posture regulating device for low seat seating unit according to claim 3, which is characterized in that when described
When low seat seating unit is located at stretching, extension appearance, first hinge joint and the hinged point height difference range of the third are 20mm-60mm.
5. a kind of sitting posture regulating device for low seat seating unit according to claim 2 or 3, which is characterized in that when
When the low seat seating unit is located at stretching, extension appearance, first hinge joint is not higher than the first foot-rest bracket connecting rod (23) and institute
State the hinge joint of foot-rest bracket (13).
6. a kind of sitting posture regulating device for low seat seating unit according to claim 5, which is characterized in that described
The difference in height range of the hinge joint of one hinge joint and the first foot-rest bracket connecting rod (23) and the foot-rest bracket (13) is 10-
60mm。
7. a kind of sitting posture regulating device for low seat seating unit according to claim 2, which is characterized in that described
One seat plate connecting rod (21) is hinged point articulated the 4th with first intermediate connecting rod (25), and the 4th hinge joint is located at described
Between first seat plate connecting rod (21) both ends and between first intermediate connecting rod (25) both ends；First foot-rest bracket connects
Bar (23) is hinged point articulated the 5th with second intermediate connecting rod (26), and the 5th hinge joint is located at the first foot-rest bracket company
Between bar (23) both ends and between second intermediate connecting rod (26) both ends.
8. a kind of sitting posture regulating device for low seat seating unit according to claim 2, which is characterized in that described
The distance between first hinge joint and second hinge joint at one intermediate connecting rod (25) both ends are 160-200mm, described
The distance between second hinge joint and third hinge joint at the second intermediate connecting rod (26) both ends are 80-120mm.
9. a kind of sitting posture regulating device for low seat seating unit according to claim 1, which is characterized in that second
Radius of gyration range when chair plate connecting rod (22) is connected to seat plate (12) is 90-150mm.
10. a kind of sitting posture regulating device for low seat seating unit according to claim 1, which is characterized in that described
Transmission connecting mechanism further includes limiting connecting rod (27) and limiting bracket (28), the limit connecting rod (27) one end and the First
Chair plate connecting rod (21) hingedly, it is described limit connecting rod (27) the other end and the limiting bracket (28) hingedly, the limiting bracket
(28) it is connected with rear mounting bracket (11) and/or seat plate (12).
11. a kind of sitting posture regulating device for low seat seating unit according to claim 1, which is characterized in that described
The other end of first seat plate connecting rod (21) and the other end of the first foot-rest bracket connecting rod (23) are separately connected the centre
Connecting rod.
12. a kind of sitting posture regulating device for low seat seating unit according to claim 2, which is characterized in that state
Between the other end of two seat plate connecting rods (22) and the other end of the second foot-rest bracket connecting rod (24) be equipped with two it is described in
Between connecting rod, set between the other end of the first seat plate connecting rod (21) and the other end of the first foot-rest bracket connecting rod (23)
There are two intermediate connecting rods.
13. a kind of low seat seating unit, which is characterized in that the low seat seating unit includes backrest (1), portions (2), sets foot
(3) and such as the described in any item sitting posture regulating devices of claim 1-12.
14. low seat seating unit according to claim 13, which is characterized in that the low seat seating unit also packet pedestal
(40), the sitting posture regulating device includes base assembly (30), and the base assembly (30) is connected with the pedestal (40).
15. low seat seating unit according to claim 14, which is characterized in that the sitting posture regulating device can will be described low
Seat seating unit, which is adjusted to, shrinks appearance, stretching, extension appearance and lying posture, described to set foot position when the low seat seating unit is located at contraction appearance
In minimum point, and the seat plate (12) can be swung relative to the base assembly (30).
16. low seat seating unit according to claim 14, which is characterized in that the base assembly (30) further includes limit
Sell (31), the transmission connection component (20) includes limit connector (29), the limit connector (29) equipped with it is described
The limiting slot of spacer pin (31) cooperation, when the low seat seating unit is located at the contraction appearance, the limiting slot and the limit
(31) are sold to disengage；When the low seat seating unit is located at the stretching, extension appearance or lying posture, the limiting slot and the spacer pin (31)
Engagement.
17. low seat seating unit according to claim 14, which is characterized in that the pedestal (40) be turnable base or
Firm banking.
18. low seat seating unit according to claim 14, which is characterized in that the pedestal (40) is firm banking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248091.3A CN110037463A (en) | 2019-03-29 | 2019-03-29 | A kind of sitting posture regulating device for low seat seating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248091.3A CN110037463A (en) | 2019-03-29 | 2019-03-29 | A kind of sitting posture regulating device for low seat seating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110037463A true CN110037463A (en) | 2019-07-23 |
Family
ID=67275570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910248091.3A Pending CN110037463A (en) | 2019-03-29 | 2019-03-29 | A kind of sitting posture regulating device for low seat seating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110037463A (en) |
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