CN208709036U - Telescopic dual purposes of sitting and lying office, learning chair - Google Patents
Telescopic dual purposes of sitting and lying office, learning chair Download PDFInfo
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- CN208709036U CN208709036U CN201721517914.0U CN201721517914U CN208709036U CN 208709036 U CN208709036 U CN 208709036U CN 201721517914 U CN201721517914 U CN 201721517914U CN 208709036 U CN208709036 U CN 208709036U
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Abstract
The telescopic dual purposes of sitting and lying office of the utility model, learning chair, main supporting element respectively corresponds composition left there are two parallelogram mechanisms behind main supporting element and left and right before the left and right restocking cross member of its chair frame component, left and right undercarriage cross member, left and right, the left side and right side of its seat member form the two guide rail kinematic pairs in left and right with left and right restocking cross member respectively, and the back side part of seat backrest component is connected with rear main supporting element.Locking assembly is locked, seat at seat piece turns to bring linkage, chair stretching, extension after release, after seat backrest component, and seat piece is displaced downwardly to low position of lying.When a high position is sat, the chair back is low, no handrail；When low level is lain, the chair back is long, there is handrail.People lies on seat piece, extensible member and seat backrest component, and arm rests on handrail, and foot rests on the ground, realizes dual purposes of sitting and lying.The utility model has the characteristics such as flexible, and lamps structure is expected to realize popular consumption using the advantages that simple, area occupied is small, at low cost.While solving sitting harm and being healthy and strong, achieve the purpose that improve office, learning efficiency.
Description
Technical field
The utility model relates to technical field of furniture, specifically a kind of telescopic dual purposes of sitting and lying office, learning chair.
Background technique
Sitting, at the animation of modern.According to authoritative media report, sitting does not only result in organ damage, muscle moves back
Change, also injures the heart, backbone, brain and enteron aisle；Sitting is to speed up modern from the arch-criminal of more health problems and disease.In order to
Change the harm of sitting bring, people attempt to inject element of lying/rest and keep fit and healthy on chair, it is expected that attached with chair is increased
Add the method for function while eliminating or mitigate this endanger, to achieve the purpose that improve work, learning efficiency and keep fit and healthy.
But existing market and relevant information are shown, it is medium and small for occasions such as narrow space, crowded office and middle and primary schools classrooms
Lunch break/afternoon nap of student and relevant person is most common, most common problem, not yet finds effective popular method, it is appropriate so
It solves.It especially to require the low chair back, increase the additional function lain on armless students in middle and primary schools' chair, realization technology makes
With bigger with low-cost difficulty.Such as:
1) currently, being additionally arranged scalable or folding put on the chairs such as many computer chairs, executive chair and racing car chair in the market
Foot prop cooperates the adjustable characteristic of angle of back-rest, realizes the function of lying/rest.For example mix Patent No.
ZL2015210134233 " a kind of foldable foot rest device " or a kind of Patent No. ZL201320071075X " chair leg rest
Frame ".This kind of chair will realize dual purposes of sitting and lying: 1. must have the high chair back, seat and footrest rack；The Shi Douyou handrail 2. seat is lain.It is high
There is handrail when the chair back and seat, is especially unsuitable for the crowded occasion such as classroom；3. gravity center of human body, which moves back, causes chair to prevent after lying down
After turn over, the contact area on chair leg and ground wants sufficiently large, brings chair the space occupied and area all big as a result,；4. implementing chair
The adjustment of back and footrest rack angle is realized to sit and lie, must there is the chair back and footrest rack adjustment mechanism.Thus it brings cost higher, operates
Trouble.Above-mentioned four make dual purposes of sitting and lying chair difficult to realize greatly from consumption is changed, and are difficult to realize crowded in similar student classroom etc.
Occasion uses.
2) application No. is 2013106788979 " chairs for being suitble to afternoon nap of students ", by panel, head rest, head rest, branch
It bar, horizontal support and entrusts to form.Panel and backrest form the chair of four legs.The upper end of backrest connects head rest, and head rest lower end connects
Strut is connect, strut passes through the upper end of backrest and the horizontal support of centre, has a screw among the back side of horizontal support, resist strut.Head
It entrusts at the both ends of support.Entrust arc-shaped, arc inner face is cushion, and entrusting can upper and lower 90 rotation.Head rest can move up,
Adjust position.When afternoon nap of students, head rest position is adjusted, puts down and entrusts, so that it may comfortable afternoon nap.This is so-called " suitable to learn
The chair of raw afternoon nap " is actually also a most helpless method for making student take off head sleep, is unable to satisfy dual purposes of sitting and lying student
The particular/special requirement of chair --- when seat, the chair back is low, no handrail；When lying, the chair back is long, there is handrail；The area of occupancy and space are small.
Utility model content
The main purpose of the utility model is intended to provide a kind of telescopic dual purposes of sitting and lying office, learning chair, with reducing seat
Reverse engineer thinking simplify structure, simple and direct use, including eliminate foot rest device with suitable mechanism；Pass through linkage, chair
When seat height position, chair is shunk, seat；When seat low level, chair stretching, extension, dual purposes of sitting and lying is realized with this in position of lying；Especially it is able to satisfy
When the handling characteristics of dual purposes of sitting and lying pupil chair --- a seat high position is sat, the chair back is low, no handrail；When seat low level is lain, the chair back is long, has
Handrail；The area of occupancy and space are small.Due to its characteristics such as flexible, so that: 1. in the body characteristics for meeting human body and sitting, lying
Outside, lamps structure is simple, compact, simple to operation, reliable；2. at low cost and occupied space and area are small；3. slightly disassembly can make
Its volume reaches minimum, reduces packaging and logistics cost.To, so that it is had wider array of use scope, realize popular consumption,
While eliminating or mitigating sitting harm and keep fit and healthy, achieve the purpose that improve office, learning efficiency.
In order to reach above-mentioned main purpose, the utility model is realized by following technical proposals.It is mainly by chair
Back member, seat member, chair frame component and locking assembly composition.The seat backrest component is mainly by back frame component and more than one piece back
Part composition, the back frame component are mainly made of two pieces back side part and more than one piece back cross member, and the two pieces back side part is left back
The both ends of side part and right back side part, the back cross member are connected with the suitable position of the two pieces back side part respectively, described
Back internals are connected on the suitable position of the back frame component.The seat member mainly by two pieces seat side part, seat piece and
Seat cross member composition, the two pieces seat side part is left seat side part and right seat side part, and the left seat side part is connected in a left side for seat piece
Side, the right seat side part are connected in the right side of seat piece, and the seat cross member is connected on the lower plane of seat piece.The chair frame
Component is mainly made of four main supporting elements, two pieces restocking cross member, two pieces undercarriage cross member, secondary supporting element, shaft member and fixing piece, institute
The four main supporting elements stated be left front main supporting element, left back main supporting element, it is right before main supporting element behind main supporting element and the right side, it is described
Two pieces restocking cross member is upper left frame cross member and upper right frame cross member, and the two pieces undercarriage cross member is that lower-left frame cross member and bottom right frame are horizontal
The upper end of part, the front end of the upper left frame cross member and the left front main supporting element is flexibly connected, and the upper left frame is horizontal
The rear end of part is flexibly connected by the left end of shaft member and the upper end of the left back main supporting element, the upper right frame cross member
The upper end of main supporting element is flexibly connected before front end and the right side, the right end that the rear end of the upper right frame cross member passes through shaft member
It is flexibly connected with the upper end of supporting element main behind the right side, the shaft member is connected with the secondary supporting element.The left side
The lower position of the front end of undercarriage cross member and the left front main supporting element be flexibly connected, the rear end of the lower-left frame cross member and
The lower position of the left back main supporting element is flexibly connected, main support before the front end and the right side of the bottom right frame cross member
The lower position of part is flexibly connected, the lower position activity of main supporting element behind the rear end and the right side of the bottom right frame cross member
Connection, the both ends of the fixing piece are connected on the suitable position of the main supporting element.The upper left frame cross member, lower-left
The left four-bar mechanism of frame cross member, left front main supporting element and left back main supporting element composition is left parallelogram mechanism, the right side
Restocking cross member, bottom right frame cross member, it is right before behind main supporting element and the right side the right four-bar mechanism of main supporting element composition be right parallelogram
Mechanism.Left-hand portion and the chair frame component of the connection of seat member and the chair frame component for seat member
Upper left frame cross member connection, be the seat member right side position and the chair frame component upper right frame cross member company
It connects.The left back side part of the seat backrest component is connected with the left back main supporting element of the chair frame component, the seat backrest component
Right back side part is connected with main supporting element behind the right side of the chair frame component.The locking assembly is arranged in described having and transports relatively
On dynamic two pieces connector.
The connection of the upper left frame cross member of the left-hand portion of the seat member and the chair frame component is the chair
The left rail kinematic pair of the upper left frame cross member of the left seat side part and chair frame component of base member connects；The seat member
The connection of upper right frame cross member of right side position and the chair frame component be the right seat side part of the seat member and described
Chair frame component upper right frame cross member right guide rail kinematic pair connection.The upper end of the secondary supporting element and the rear portion of extensible member
It is connected, the middle front part by the seat piece of seat member, two pieces seat side part, the shape chamber that seat cross member forms and extensible member is mobile to be connected
It connects.
The connection of the upper left frame cross member of the left-hand portion of the seat member and the chair frame component is the chair
The upper left frame cross member (may be regarded as with left seat side part being same part) of the seat piece left-hand portion of base member and the chair frame component
It is fixedly connected；The connection of the upper right frame cross member of the right side position of the seat member and the chair frame component is described
The upper right frame cross member (may be regarded as with right seat side part being same part) of the seat piece right side position of seat member and the chair frame component
Be fixedly connected.The connection of shaft member and the secondary supporting element is to be flexibly connected.The back side part of the seat backrest component
On be provided with locating piece I.
Armrest assembly I is provided on the chair frame component, armrest assembly I is mainly by left small connector, left handrail, left secondary
Handrail, right small connector, right handrail and right secondary handrail composition, one end of the small connector in a left side are connected in the chair frame portion
On the lower-left frame cross member of part, the other end of the small connector in a left side is fixed with left handrail, is connected with a left side in the left handrail
One end of secondary handrail, the small connector in the right side is connected on the bottom right frame cross member of the chair frame component, the right little Lian
The other end of fitting is fixed with right handrail, and right secondary handrail is connected in the right handrail.
Left impeller, the left impeller and the Zuo little Lian are fixed in the left seat side part of the seat member
Fitting mobile connection, is fixed with right impeller in the right seat side part of the seat member, the right impeller and described
Right small connector mobile connection.
Armrest assembly II is provided between the seat backrest component and the seat member, armrest assembly II is mainly by left master
Handle, left secondary handle, right main handle and right secondary handle composition, one end of the left main handle and a left side for the seat backrest component
Back side part is flexibly connected, and the other end of the left main handle and one end of the left secondary handle are flexibly connected, the left side
The left-hand portion of the other end of secondary handle and the seat member is flexibly connected, one end of the right main handle and described
The right back side part of seat backrest component is flexibly connected, and one end activity of the other end of the right main handle and the right secondary handle connects
It connects, the other end of right secondary handle and the right side position of seat member are flexibly connected.
The locking assembly is arranged on the two pieces connector that the composition is flexibly connected, and is achieved in that institute
The locking assembly stated is lock part, is flexibly connected at the suitable position of the lock part and the seat member, described
Lock part and another with seat member composition flexible connection connect.
The locking assembly is arranged on the two pieces connector that the composition is flexibly connected, and is achieved in that institute
The one end for the locking assembly stated is arranged on composition any of left and right parallelogram mechanism, the locking assembly it is another
End is arranged on any adjacent side part of same parallelogram mechanism.
Locating piece II is provided on main supporting element before the left front main supporting element and the right side.
The lower end of the main supporting element of pieces of the chair frame component is provided with castor.
By above structure, telescopic dual purposes of sitting and lying office, learning chair have the connection of guide rail kinematic pair and connected connection
Two kinds of structure types.Concrete operations and movement are as follows.
One, the primary operational of left and right rail kinematic pair type of attachment and linkage.
At locking assembly when locking state, the position of high position seat at chair.At this point, being fixed on the small connector in left and right
At the seat piece of the secondary handrail in left and right and seat member on same plane.Locking assembly is unclamped, seat backrest component is rotated backward, brings down
Contigency is dynamic: the 1. parallelogram mechanisms rotation of left and right two, seat piece/left and right restocking cross member and left and right undercarriage cross member simultaneously downwards to
After translate, the downward translation distance of seat piece is big, and the downward translation distance of left and right undercarriage cross member is small, and the two distance becomes smaller so that
The left and right handrail for the small connector in left and right being fixed on the undercarriage cross member of left and right is gradually higher by seat piece；2. simultaneously as seat piece is backward
Translation is big, and the small connector in left and right being fixed on the undercarriage cross member of left and right translates small, the mobile dislocation of the two front-rear position backward,
When forcing the small connector same distance of left and right impeller and left and right mobile, seat piece is also forced to move forward along left and right rail kinematic pair；
3. rear end is connected with shaft member, middle front end and the type chamber being made of the seat piece, two pieces seat side part and seat cross member of seat member are at movement
The extensible member of connection is translated by shaft member post-tensioning and downwards；4. behind the secondary supports support residence face being fixed on extensible member, chair
Seat piece extend to low level, left and right arm rest is high-order, is higher by seat piece.Meanwhile extensible member is laid in shaft member and seat cross member, is drawn
Open and be connected to the distance between seat piece and seat backrest component；5. low level, the position that place lies --- people lies in seat piece, extensible member and the chair back
On component, arm is rested on the left and right handrail of protrusion, and foot rests on the ground.Be set to left front main supporting element and it is right before on main supporting element
Locating piece II increase the rigidity of support of two parallelogram mechanisms.Seat backrest component is rotated backward, by reversely linking, chair
Son is shunk, and is restored the position sat to a high position, is locked locking assembly again.Main supporting element lower end after the preceding main supporting element in left and right or left and right
The castor of setting, back-and-forth motion when empty chair implementation can be facilitated to move and sit.
Two, the primary operational for the type of attachment that is connected and linkage.
1) when for armrest assembly I, as the structure type of the small connector of left and right handrail and left and right when primary operational and
Linkage.
At locking assembly when locking state, the position of high position seat at chair.It is fixed on the left and right on the small connector in left and right
At the seat piece of secondary handrail and seat member on same plane.It rotates seat backrest component backward, brings following linkage: 1. left and right two
The translation downwards simultaneously of parallelogram mechanism rotation, seat piece/left and right restocking cross member and left and right undercarriage cross member, the translation distance of seat piece
Greatly, the translation distance of left and right undercarriage cross member is small, and the two distance becomes smaller, so that the small connection in left and right being fixed on the undercarriage cross member of left and right
The left and right handrail of part is gradually higher by seat piece；2. secondary supporting element rotates backward around shaft member.When secondary supporting element is fixed on seat back portion
After locating piece I positioning on the left back side part and right back side part of part, chair extends to low level, and left and right arm rest is high-order, is higher by seat
Part；3. low level, the position that place lies --- people lies in seat piece and seat backrest component, arm is rested on the left and right handrail of protrusion, and foot is put
On the ground.Seat backrest component is rotated backward, by reversely linking, chair is shunk, and restores the position sat to a high position, again locking locking
Component.The two pieces locating piece II being arranged on main supporting element before left front main supporting element and the right side is shelved lower-left frame cross member and bottom right respectively
On frame cross member, two pieces locating piece II can increase the rigidity of support of two parallelogram mechanisms.Main supporting element or left and right before left and right
The castor of main supporting element lower end setting afterwards, can facilitate empty chair implementation to move and facilitate when sitting back-and-forth motion.
2) when for armrest assembly II, as the structure type of the secondary handle of the main handle in left and right and left and right when primary operational and
Linkage.
At locking assembly when locking state, the position of high position seat at chair.The two sides of seat member at armrest assembly.Make
Seat backrest component rotates backward, brings following linkage: the 1. parallelogram mechanism rotation of left and right two, armrest assembly II is in the chair back
Under the pulling of component, the secondary handle of the main handle in left and right and left and right is low more flat than original；2. secondary supporting element rotates backward around shaft member.Work as pair
After supporting element is fixed on the positioning of the locating piece I on the left back side part and right back side part of seat backrest component, chair extends to low level, left
The two pieces locating piece II being arranged on main supporting element before preceding main supporting element and the right side is shelved lower-left frame cross member and bottom right frame cross member respectively
On, two pieces locating piece II can increase the rigidity of support of two parallelogram mechanisms；3. low level, the position that place lies --- people lies in
In seat piece and seat backrest component, arm is rested on the secondary handle of the main handle in left and right and left and right, and foot rests on the ground.Rotate backward seat back portion
Part, by reversely linking, chair is shunk, and is restored the position sat to a high position, is locked locking assembly again.Left and right before main supporting element or
The castor of main supporting element lower end setting, back-and-forth motion when empty chair implementation can be facilitated to move and sit behind left and right.
3) with arm rests on or other when lying at people when the office of telescopic dual purposes of sitting and lying, learning chair are without armrest assembly
Appropriate place.
In conclusion the utility model reverse engineer thinking for reducing seat simplifies structure, letter with suitable mechanism
Victory uses, including saves foot rest device；By linkage, when a seat high position, chair is shunk, the position of seat；When seat low level, chair
Stretching, extension, dual purposes of sitting and lying is realized with this in the position lain；Especially it is able to satisfy the handling characteristics of dual purposes of sitting and lying pupil chair --- seat is high
When position is sat, the chair back is low, no handrail；When seat low level is lain, the chair back is long, there is handrail.Due to its characteristics such as flexible, so that: 1. exist
Meet human body to sit, outside the body characteristics lain, lamps structure is simple, compact, simple to operation, reliable；2. at low cost and occupied space and
Area is small；3. slightly disassembly can make its volume reach minimum, reduce packaging and logistics cost.To have wider array of use
Range realizes popular consumption, while eliminating or mitigating sitting harm and keep fit and healthy, reaches raising office, study effect
The purpose of rate.
Detailed description of the invention
Illustrate preferred embodiment of the utility model with reference to the accompanying drawing.
Fig. 1 is the left view schematic diagram of a kind of telescopic dual purposes of sitting and lying office of best form of implementation, learning chair；
Fig. 2 is the A of Fig. 1 to schematic diagram；
Fig. 3 is the B of Fig. 1 to schematic diagram；
Fig. 4 is the left view schematic diagram of the telescopic dual purposes of sitting and lying office of another best form of implementation, learning chair；
Fig. 5 is the C of Fig. 4 to schematic diagram.
Specific embodiment
The example of the utility model one and example two are described in detail below with reference to the accompanying drawing.
See Fig. 1 and Fig. 2 and Fig. 3.This example one is mainly by seat backrest component 1, seat member 2, chair frame component 3, armrest assembly I
4-I and locking assembly 5 form.Seat backrest component 1 is mainly made of back frame component 1-1 and back internals 2-1, and back frame component 1-1 is main
It is made of two pieces back side part 1-1-1 and back cross member 2-1-1, two pieces back side part 1-1-1 is left back side part 1-1-1-1 and right back side part
2-1-1-1, the both ends that two pieces carries on the back cross member 2-1-1 are connected with the upper end of two pieces back side part 1-1-1 and lower portion respectively, and five
Back internals 2-1 is connected on the two pieces back cross member 2-1-1 of back frame component 1-1.Seat member 2 is mainly by two pieces seat side part 1-2, seat
Part 2-2 and seat cross member 3-2 (shown in Fig. 3 dotted line) composition, two pieces seat side part 1-2 are left seat side part 1-1-2 and right seat side part 2-1-2
(shown in Fig. 3 dotted line), left seat side part 1-1-2 are connected in the left side of seat piece 2-2, and right seat side part 2-1-2 is connected in seat piece 2-2's
Right side, a seat cross member 3-2 are connected on the lower plane of seat piece 2-2.Chair frame component 3 is mainly by four main supporting element 1-3, two pieces
Restocking cross member 2-3, two pieces undercarriage cross member 3-3, two pieces pair supporting element 4-3, shaft member 5-3 and fixing piece 6-3 composition, four main supports
Part 1-3 is left front main supporting element 1-1-3, left back main supporting element 2-1-3, it is right before main supporting element 4- behind main supporting element 3-1-3 and the right side
1-3, two pieces restocking cross member 2-3 are upper left frame cross member 1-2-3 and upper right frame cross member 2-2-3, two pieces undercarriage cross member 3-3 are lower-left
Frame cross member 1-3-3 and bottom right frame cross member 2-3-3, the upper end of the front end of upper left frame cross member 1-2-3 and left front main supporting element 1-1-3
It is slidably connected, the rear end of upper left frame cross member 1-2-3 is sliding by the left end of shaft member 5-3 and the upper end of left back main supporting element 2-1-3
Dynamic connection, the front end of upper right frame cross member 2-2-3 and the upper end of main supporting element 3-1-3 before the right side are slidably connected, upper right frame cross member 2-
The rear end of 2-3 is slidably connected by the upper end of main supporting element 4-1-3 behind the right end of shaft member 5-3 and the right side, shaft member 5-3 and two pieces
Secondary supporting element 4-3 connection.The lower position of the front end of lower-left frame cross member 1-3-3 and left front main supporting element 1-1-3 are slidably connected, left
The lower position of the rear end of undercarriage cross member 1-3-3 and left back main supporting element 2-1-3 are slidably connected, before the frame cross member 2-3-3 of bottom right
The lower position of main supporting element 3-1-3 is slidably connected before end and the right side, main supporting element 4- behind the rear end and the right side of bottom right frame cross member 2-3-3
The lower position of 1-3 is slidably connected, and the both ends of two pieces fixing piece 6-3 are respectively fixedly connected main before left front main supporting element 1-1-3 and the right side
On supporting element 3-1-3.Upper left frame cross member 1-2-3, lower-left frame cross member 1-3-3, left front main supporting element 1-1-3 and left back main supporting element
The left four-bar mechanism of 2-1-3 composition is left parallelogram mechanism, upper right frame cross member 2-2-3, bottom right frame cross member 2-3-3, it is right before
The right four-bar mechanism of main supporting element 3-1-3 and supporting element 4-1-3 composition main behind the right side are right parallelogram mechanism.Seat member 2
Left seat side part 1-1-2 and chair frame component 3 upper left frame cross member 1-2-3 connection be left rail sliding pair connection；Seat member 2
Right seat side part 2-1-2 and chair frame component 3 upper right frame cross member 2-2-3 connection be right guide rail sliding pair connection.Left seat side part
1-1-2 and right seat side part 2-1-2 are made of two pieces frame member, and upper left frame cross member 1-2-3 and upper right frame cross member 2-2-3 are circle
Column.The left back main supporting element 2-1-3 of the left back side part 1-1-1-1 and chair frame component 3 of seat backrest component 1 is connected, seat backrest component 1
Main supporting element 4-1-3 is connected behind the right side of right back side part 2-1-1-1 and chair frame component 3.It the upper end of two pieces pair supporting element 4-3 and stretches
(shown in Fig. 3 dotted line) rear portion contracting part 7-3 is connected, the middle front part of extensible member 7-3 and the seat piece 2-2 by seat member 2, two pieces seat side
The type chamber of part 1-2 and two pieces seat cross member 3-2 composition is slidably connected.This armrest assembly 4 is armrest assembly I 4-I, armrest assembly I
4-I is mainly by the left small connector 1-4-I of two pieces, left handrail 2-4-I, left secondary handrail 3-4-I, the right small connector 4-4-I of two pieces
One end of (shown in Fig. 3 dotted line), right handrail 5-4-I and right pair handrail 6-4-I composition, the left small connector 1-4-I of two pieces is connected in
On the lower-left frame cross member 1-3-3 of chair frame component 3, the other end of the left small connector 1-4-I of two pieces is fixed with left handrail 2-4-I, left
One end of handrail 2-4-I and left secondary handrail 3-4-I hinge, the right small connector 4-4-I of two pieces is connected in the bottom right of chair frame component 3
On frame cross member 2-3-3, the other end of the right small connector 4-4-I of two pieces is fixed with right handrail 5-4-I, right handrail 5-4-I and right pair
Handrail 6-4-I hinge.The left impeller 4-2 of two pieces, the left impeller 4-2 of two pieces are fixed on the left seat side part 1-1-2 of seat member 2
It is slidably connected with the left small connector 1-4-I of two pieces, is fixed with the right impeller 5- of two pieces on the right seat side part 2-1-2 of seat member 2
2, the right impeller 5-2 of two pieces and the right small connector 4-4-I of two pieces are slidably connected.Two groups of locking assemblies 5 are two pieces lock part 1-5,
Two pieces lock part 1-5 is that screw thread pair connects with the seat piece 2-2 of seat member 2, and the end two pieces lock part 1-5 can be fixed on respectively
On the frame cross member of upper left on 1-2-3 and upper right frame cross member 2-2-3.On left front main supporting element 1-1-3 and main supporting element 3-1-3 before the right side
It is provided with locating piece II 8-3.The lower end setting of the left front main supporting element 1-1-3 of chair frame component 3 and main supporting element 3-1-3 before the right side
There is castor 9-3.Figure shown in the double dot dash line of Fig. 1 bottom left section is state of the dual-purpose chair in low level.
See Fig. 4, Fig. 5.For armrest assembly II 4-II, armrest assembly II 4-II is the armrest assembly 4 that this example two uses
The structure type of the secondary handle of the main handle in left and right and left and right.Why this example two uses main of the left and right of armrest assembly II 4-II
The structure type of the secondary handle of hand and left and right, is intended to illustrate the performance of armrest assembly 4 from another angle.This example two and example
As one, and mainly by seat backrest component 1, seat member 2 and chair frame component 3, armrest assembly II 4-II and locking assembly 5.
Except that: the 1. connection of the upper left frame cross member 1-2-3 of the seat piece 2-2 left-hand portion of seat member 2 and chair frame component 3 is
It is fixedly connected；The connection of the upper right frame cross member 2-2-3 of the seat piece 2-2 right side position and chair frame component 3 of seat member 2 is fixed connects
It connects.Shaft member 5-3 and two pieces pair supporting element 4-3 are slidably connected.Locating piece I is fixed on the two pieces back side part 1-1-1 of seat backrest component 1
3-1；2. armrest assembly II 4-II is mainly by left main handle 1-4-II, left secondary handle 2-4-II, right main handle 3-4-II and right pair
Handle 4-4-II composition, one end of left main handle 1-4-II and the left back side part 1-1-1-1 of seat backrest component 1 are slidably connected, left master
The other end of handle 1-4-II and one end of left secondary handle 2-4-II are slidably connected, the other end of left secondary handle 2-4-II and with seat
Connected upper left frame cross member 1-2-3 (may be regarded as with left seat side part 1-1-2 being same part) is slidably connected on the left of part 2-2, and right main
One end of hand 3-4-II and the right back side part 2-1-1-1 of seat backrest component 1 are slidably connected, the other end of right main handle 3-4-II and
One end of right pair handle 4-4-II is slidably connected, the other end of right pair handle 4-4-II and the upper right connected with the left side seat piece 2-2
Frame cross member 2-2-3 (may be regarded as with right seat side part 2-1-2 being same part) is slidably connected；3. on the back frame component 1-1 of seat backrest component 1
It is provided with fixed back internals G-2-1 and movable back internals H-2-1, the both ends of three fixed back internals G-2-1 are carried on the back with two pieces respectively
Cross member 2-1-1 is connected, and the back cross member 2-1-1 of the upper bit of movable back internals H-2-1 and back frame component 1-1 is hinged；4. two groups of locks
Tight component 5 is two groups of hook formula locking assembly 5-G, two pieces hook extremity piece 1-5-G be slidably connected at respectively upper left frame cross member 1-2-3 and
On upper right frame cross member 2-2-3, the left back side part 1-1-1-1 in ipsilateral seat backrest component 1 is respectively fixedly connected in two pieces positioning pin 2-5-G
On right back side part 2-1-1-1；5. the lower end non-activity wheel 9-3 of the main supporting element 1-3 of chair frame component.Pair of Fig. 4 bottom left section
Figure shown in chain-dotted line is state of the dual-purpose chair in low level.
By above structure, telescopic dual purposes of sitting and lying office, learning chair have the connection of guide rail kinematic pair and example of example one
Two two kinds of structure types of connected connection.Concrete operations and movement are as follows.
One, example one --- the primary operational of left and right rail kinematic pair type of attachment and linkage.
When its end is fixed on upper left frame cross member 1-2-3 by screw thread pair by the two pieces lock part 1-5 of two groups of locking assemblies 5
When in upper right plus cross member 2-2-3, locking state at locking assembly 5 at chair when high position seat, is fixed on left small connector 1-
It is same at left secondary handrail 3-4-I and the right pair handrail 6-4-I and seat piece 2-2 of seat member 2 on 4-I and right small connector 4-4-I
In one plane.Unclamp two pieces lock part 1-5-I, rotate seat backrest component 1 backward, bring following linkage: 1. left and right two is parallel
Quadrangular mechanism rotation, seat piece 2-2, upper left frame cross member 1-2-3, upper right frame cross member 2-2-3, lower-left frame cross member 1-3-3 and bottom right
Frame cross member 2-3-3 is translated rearward simultaneously, and seat piece 2-2, upper left frame cross member 1-2-3 and the downward of upper right frame cross member 2-2-3 are put down
It is big to move distance, the downward translation distance of lower-left frame cross member 1-3-3 and bottom right frame cross member 2-3-3 are small, and distance between the two becomes smaller,
So that being fixed on lower-left frame cross member 1-3-3 and bottom right frame cross member 2- by left small connector 1-4-I and right small connector 4-4-I
Left secondary handrail 3-4-I and right pair handrail 6-4-I on 3-3 are gradually higher by seat piece 2-2；2. simultaneously as seat piece 2-2 and Zuo little Lian
The mobile dislocation of the two front-rear position between fitting 1-4-I, right small connector 4-4-I, makes left impeller 4-2, right impeller
In 5-2, left small connector 1-4-I and right small connector 4-4-I same distance movement, seat piece 2-2 is forced to move along left and right rail
Pair Forward；3. rear end is connected with pair supporting element 4-3, middle front end and two pieces seat side part 1-2, seat piece 2-2 and seat by seat member 2
The extensible member 7-3 of the type chamber mobile connection of cross member 3-2 composition, by being pulled with the shaft member 5-3 of secondary supporting element 4-3 and putting down downwards
It moves；4. after the secondary supporting element 4-3 being fixed on extensible member 7-3 supports ground, seat piece 2-2 extends to low level, left secondary handrail 3-
4-I and right pair handrail 6-4-I is higher by seat piece 2-2, and place is high-order, turns over and is articulated on left handrail 2-4-I and right handrail 2-4-I
Left secondary handrail 3-4-I and right secondary handrail 6-4-I.Meanwhile extensible member 7-3 is laid on shaft member 5-3 and seat cross member 3-2, is drawn
Open and be connected to the distance between seat piece 2-2 and seat backrest component 1；5. low level, the position that place lies --- people lies in seat piece 2-2, stretches
On part 7-3 and seat backrest component 1, arm rests on left handrail 2-4-I, right handrail 2-4-I, left secondary handrail 3-4-I and the right pair of protrusion
On handrail 6-4-I, foot is rested on the ground.The two pieces locating piece being arranged on left front main supporting element 1-1-3 and main supporting element 3-1-3 before the right side
II 8-3 is shelved respectively on lower-left frame cross member 1-3-3 and bottom right frame cross member 2-3-3, and two pieces locating piece II 8-3 increases two
The rigidity of support of a parallelogram mechanism.Seat backrest component 1 is rotated backward, by reversely linking, chair is shunk, and is restored to a high position
The two pieces lock part 1-5 of two groups of locking assemblies 5 is fixed on upper left frame cross member 1-2-3 and upper right frame cross member again by the position of seat
On 2-2-3.The castor 9-3 being arranged on left front main supporting element 1-1-3 and main supporting element 3-1-3 before the right side, can facilitate empty chair to carry out
Back-and-forth motion when moving and sitting.
Two, example two --- the primary operational for the type of attachment that is connected and linkage.
The left back side of seat backrest component 1 is connected in when the two pieces of two groups of hook formula locking assembly 5-G hooks extremity piece 1-5-G and catches on respectively
When on the two pieces positioning pin 2-5-G on part 1-1-1-1 and right back side part 2-1-1-1, locked at two groups of hook formula locking assembly 5-G
State, the position that a high position is sat at chair, a high position for 2 two sides of seat member, two pieces pair supporting element 4-3 at armrest assembly II 4-II
Top surface withstand below seat piece 2-2, be positioned in upright position.Two pieces is hooked into extremity piece 1-5-G and disengages two pieces positioning pin 2-5-
G, that is, after unclamping two groups of hook formula locking assembly 5-G, seat backrest component 1 is rotated backward, brings following linkage: 1. left and right two is flat
The rotation of row quadrangular mechanism, seat piece 2-2 and lower-left frame cross member 1-3-3, bottom right frame cross member 2-3-3 translation downwards simultaneously；2. two pieces
Secondary supporting element 4-3 turns after surrounding shaft member 5-3, and the two pieces locating piece by being set on the two pieces back side part 1-1-1 of seat backrest component 1
I 3-1 positioning is set to the left front main supporting element 1-1-3 and two pieces locating piece II 8-3 on main supporting element 3-1-3 before the right side and shelves
On ipsilateral lower-left frame cross member 1-3-3 and bottom right frame cross member 2-3-3.The position lain at seat piece 2-2.Left front main supporting element 1-
The two pieces locating piece II 8-3 being arranged on 1-3 and main supporting element 3-1-3 before the right side is shelved lower-left frame cross member 1-3-3 and the right side respectively
On undercarriage cross member 2-3-3, two pieces locating piece II 8-3 increases the rigidity of support of two parallelogram mechanisms；3. handrail group
One end of the left main handle 1-4-II and right main handle 3-4-II of part II 4-II surround left back side part 1-1-1-1 and right back respectively
Side part 2-1-1-1 rotation, the other end of left main handle 1-4-II and right main handle 3-4-II respectively with left secondary handle 2-4-II and
The other end of one end rotation of right pair handle 4-4-II, left secondary handle 2-4-II and right secondary handle 4-4-II surround seat portion respectively
The left and right sides position of part 2 rotates, at seat piece 2-2 when the minimum position lain, 2 two sides of seat member at armrest assembly II 4-II
Lowest order；4. the back cross member 2-1-1 that movable back internals H-2-1 surrounds the upper bit positioned at back frame component 1-1 rotates backward, prolong
The length of seat backrest component 1 is stretched.Head rest is on movable back internals H-2-1, and people lies on seat backrest component 1 and seat piece 2-2, and arm is put
On left main handle 1-4-II, right main handle 3-4-II, left secondary handle 2-4-II and right secondary handle 4-4-II, foot is rested on the ground.
Seat backrest component 1 is rotated backward, by reversely linking, chair is shunk, and the two pieces of two groups of hook formula locking assembly 5-G is hooked extremity piece 1-5-
G fastens two pieces positioning pin 2-5-G again, hooks formula locking assembly 5-G and locates locking state again, the top surface of two pieces pair supporting element 4-3 is again
It is secondary to withstand below seat piece 2-2, it is positioned in upright position, restores the position sat to a high position.
In conclusion the utility model reverse engineer thinking for reducing seat simplifies structure, letter with suitable mechanism
Victory uses, including eliminates foot rest device；By linkage, when a seat high position, chair is shunk, the position of seat；When seat low level, chair
Son stretching, extension, dual purposes of sitting and lying is realized with this in the position lain；Especially it is able to satisfy the handling characteristics of dual purposes of sitting and lying pupil chair --- seat
When a high position is sat, the chair back is low, no handrail；When seat low level is lain, the chair back is long, there is handrail.Due to its characteristics such as flexible, so that: 1.
Outside the body characteristics for meeting human body seat, lying, lamps structure is simple, compact, simple to operation, reliable；2. at low cost and occupied space
It is small with area；3. slightly disassembly can make its volume reach minimum, reduce packaging and logistics cost.To keep its tool wider
Use scope, realize popular consumption, eliminating or mitigating sitting harm and while keep fit and healthy, reach raising office,
The purpose of learning efficiency.
Claims (10)
1. a kind of telescopic dual purposes of sitting and lying office, learning chair, it is mainly by seat backrest component, seat member, chair frame component and locking
Component composition, which is characterized in that the seat backrest component (1) mainly carries on the back internals (2-1) group by back frame component (1-1) and more than one piece
At, the back frame component (1-1) is mainly made of two pieces back side part (1-1-1) and more than one piece back cross member (2-1-1), and described two
Part back side part (1-1-1) is left back side part (1-1-1-1) and right back side part (2-1-1-1), and the more than one piece carries on the back cross member (2-1-1)
Both ends be connected respectively with the suitable position of the two pieces back side part (1-1-1), described more than one piece back internals (2-1) is connected to
On the suitable position of the back frame component (1-1), the seat member (2) is mainly by two pieces seat side part (1-2), seat piece
(2-2) and seat cross member (3-2) composition, the two pieces seat side part (1-2) are left seat side part (1-1-2) and right seat side part (2-1-
2), the left seat side part (1-1-2) is connected in the left side of seat piece (2-2), and the right seat side part (2-1-2) is connected in seat piece
The right side of (2-2), the seat cross member (3-2) are connected on the lower plane of seat piece (2-2), and the chair frame component (3) is main
By four main supporting elements (1-3), two pieces restocking cross member (2-3), two pieces undercarriage cross member (3-3), secondary supporting element (4-3), shaft member (5-
3) and fixing piece (6-3) composition, the main supporting element (1-3) of described four are left front main supporting element (1-1-3), left back main supporting element
(2-1-3), it is right before main supporting element (3-1-3) and it is right after main supporting element (4-1-3), the two pieces restocking cross member (2-3) is left
Restocking cross member (1-2-3) and upper right frame cross member (2-2-3), the two pieces undercarriage cross member (3-3) are lower-left frame cross member (1-3-3)
With bottom right frame cross member (2-3-3), the front end of the upper left frame cross member (1-2-3) and the left front main supporting element (1-1-3)
Upper end be flexibly connected, the rear end of the upper left frame cross member (1-2-3) passes through the left end of shaft member (5-3) and described left back
The upper end of main supporting element (2-1-3) is flexibly connected, main branch before the front end and the right side of the upper right frame cross member (2-2-3)
The upper end of support member (3-1-3) is flexibly connected, and the rear end of the upper right frame cross member (2-2-3) passes through the right end of shaft member (5-3)
It is flexibly connected with the upper end of supporting element (4-1-3) main behind the right side, the shaft member (5-3) and the secondary supporting element
(4-3) connection, the lower position of the front end of the lower-left frame cross member (1-3-3) and the left front main supporting element (1-1-3)
It is flexibly connected, the lower position of the rear end of the lower-left frame cross member (1-3-3) and the left back main supporting element (2-1-3) is living
It is dynamic to connect, the lower position activity of main supporting element (3-1-3) before the front end and the right side of the bottom right frame cross member (2-3-3)
It connects, the lower position activity of main supporting element (4-1-3) connects behind the rear end and the right side of the bottom right frame cross member (2-3-3)
It connects, the both ends of the fixing piece (6-3) are connected on the suitable position of the main supporting element (1-3), the upper left frame
What cross member (1-2-3), lower-left frame cross member (1-3-3), left front main supporting element (1-1-3) and left back main supporting element (2-1-3) formed
Left four-bar mechanism is left parallelogram mechanism, master before the upper right frame cross member (2-2-3), bottom right frame cross member (2-3-3), the right side
The right four-bar mechanism of main supporting element (4-1-3) composition is right parallelogram mechanism, the chair after supporting element (3-1-3) and the right side
Left-hand portion and the chair frame component (3) of the connection of base member (2) and the chair frame component (3) for seat member (2)
Upper left frame cross member (1-2-3) connection, be the seat member (2) right side position and the chair frame component (3)
The connection of upper right frame cross member (2-2-3), the left back side part (1-1-1-1) of the seat backrest component (1) and the chair frame component
(3) left back main supporting element (2-1-3) connection, the right back side part (2-1-1-1) of the seat backrest component (1) and the chair frame portion
Main supporting element (4-1-3) connection, the left-hand portion of the seat member (2) and the chair frame component (3) behind the right side of part (3)
Upper left frame cross member (1-2-3) connection, the upper right of the right side position of the seat member (2) and the chair frame component (3)
Frame cross member (2-2-3) connection, the locking assembly (5) are arranged on the two pieces connector for having relative motion.
2. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the seat member
(2) connection of the upper left frame cross member (1-2-3) of left-hand portion and the chair frame component (3) is the seat member (2)
Left seat side part (1-1-2) connected with the left rail kinematic pair of the upper left frame cross member (1-2-3) of the chair frame component (3)；Institute
The connection of the upper right frame cross member (2-2-3) of the right side position for the seat member (2) stated and the chair frame component (3) is described
The right guide rail of the upper right frame cross member (2-2-3) of the right seat side part (2-1-2) and the chair frame component (3) of seat member (2) is transported
Dynamic secondary connection, the upper end of the secondary supporting element (4-3) and the rear portion of extensible member (7-3) are connected, described by seat member
(2) the type chamber and extensible member (7-3) middle front part of seat piece (2-2), two pieces seat side part (1-2) and seat cross member (3-2) composition are mobile
Connection.
3. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the seat member
(2) connection of the upper left frame cross member (1-2-3) of left-hand portion and the chair frame component (3) is the seat member (2)
Seat piece (2-2) on the left of be fixedly connected with upper left frame cross member (1-2-3) of the chair frame component (3)；The seat portion
The connection of the upper right frame cross member (2-2-3) of the right side position of part (2) and the chair frame component (3) is the seat member
(2) seat piece (2-2) right side is fixedly connected with upper right frame cross member (2-2-3's) of the chair frame component (3), the shaft member
The connection of (5-3) and the secondary supporting element (4-3) is to be flexibly connected, on the back side part (1-1-1) of the seat backrest component (1)
It is provided with locating piece I (3-1).
4. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the chair frame component
(3) it is provided on armrest assembly I (4-I), armrest assembly I (4-I) is mainly by left small connector (1-4-I), left handrail (2-4-
I), left secondary handrail (3-4-I), right small connector (4-4-I), right handrail (5-4-I) and right secondary handrail (6-4-I) form, described
One end of the small connector (1-4-I) in a left side be connected on the lower-left frame cross member (1-3-3) of the chair frame component (3), it is described
The other end of left small connector (1-4-I) is fixed with left handrail (2-4-I), is connected with left secondary in the left handrail (2-4-I)
One end of handrail (3-4-I), the small connector (4-4-I) in the right side is connected in the bottom right frame cross member of the chair frame component (3)
On (2-3-3), the other end of the small connector (4-4-I) in the right side is fixed with right handrail (5-4-I), the right handrail (5-
Right secondary handrail (6-4-I) is connected on 4-I).
5. telescopic dual purposes of sitting and lying office according to claim 4, learning chair, which is characterized in that the seat member
(2) it is fixed with left impeller (4-2) on left seat side part (1-1-2), the left impeller (4-2) and the small connection in a left side
Part (1-4-I) mobile connection is fixed with right impeller (5-2), institute on the right seat side part (2-1-2) of the seat member (2)
The right impeller (5-2) and small connector (4-4-I) mobile connection in the right side stated.
6. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the seat backrest component
(1) it is provided between the seat member (2) armrest assembly II (4-II), armrest assembly II (4-II) is mainly by left main handle
(1-4-II), left secondary handle (2-4-II), right main handle (3-4-II) and right secondary handle (4-4-II) form, and described left main
One end of hand (1-4-II) and the left back side part (1-1-1-1) of the seat backrest component (1) are flexibly connected, the left main handle
One end of the other end of (1-4-II) and the left secondary handle (2-4-II) is flexibly connected, the left secondary handle (2-4-II)
The other end and the seat member (2) left-hand portion be flexibly connected, one end of the right main handle (3-4-II) and
The right back side part (2-1-1-1) of the seat backrest component (1) is flexibly connected, the other end of the right main handle (3-4-II) and
One end of the right secondary handle (4-4-II) is flexibly connected, the other end and seat member of the right secondary handle (4-4-II)
(2) right side position is flexibly connected.
7. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the locking assembly
(5) it is arranged on the two pieces connector that the composition is flexibly connected, is achieved in that the locking assembly (5) is fixed
It is flexibly connected at the suitable position of latch fitting (1-5), the lock part (1-5) and the seat member (2), the lock
Part (1-5) and another with the flexible connection of seat member (2) composition connect.
8. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the locking assembly
(5) it is arranged on the two pieces connector that the composition is flexibly connected, is achieved in that the one of the locking assembly (5)
End is arranged on any of composition left and right parallelogram mechanism, and the other end of the locking assembly (5) is arranged same
On any adjacent side part of parallelogram mechanism.
9. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the left front main branch
Locating piece II (8-3) is provided on main supporting element (3-1-3) before support member (1-1-3) and the right side.
10. telescopic dual purposes of sitting and lying office according to claim 1, learning chair, which is characterized in that the chair frame component
(3) lower end of the main supporting element of pieces (1-3) is provided with castor (9-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517914.0U CN208709036U (en) | 2017-11-14 | 2017-11-14 | Telescopic dual purposes of sitting and lying office, learning chair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721517914.0U CN208709036U (en) | 2017-11-14 | 2017-11-14 | Telescopic dual purposes of sitting and lying office, learning chair |
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| Publication Number | Publication Date |
|---|---|
| CN208709036U true CN208709036U (en) | 2019-04-09 |
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ID=65967905
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|---|---|---|---|
| CN201721517914.0U Active CN208709036U (en) | 2017-11-14 | 2017-11-14 | Telescopic dual purposes of sitting and lying office, learning chair |
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| Country | Link |
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| CN (1) | CN208709036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770593A (en) * | 2017-11-14 | 2019-05-21 | 江山市奇栖正机电科技有限公司 | Telescopic dual purposes of sitting and lying office, learning chair |
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2017
- 2017-11-14 CN CN201721517914.0U patent/CN208709036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770593A (en) * | 2017-11-14 | 2019-05-21 | 江山市奇栖正机电科技有限公司 | Telescopic dual purposes of sitting and lying office, learning chair |
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