CN106388364B - One kind moving back formula rumble seat - Google Patents
One kind moving back formula rumble seat Download PDFInfo
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- CN106388364B CN106388364B CN201611088318.5A CN201611088318A CN106388364B CN 106388364 B CN106388364 B CN 106388364B CN 201611088318 A CN201611088318 A CN 201611088318A CN 106388364 B CN106388364 B CN 106388364B
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- seat
- leg
- strut
- hinged
- front leg
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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
- A47C4/00—Foldable, collapsible or dismountable chairs
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses one kind to move back formula rumble seat, belongs to chair technology field.One kind of the invention moves back formula rumble seat, including support, seat front leg, seat supporting block, seat back leg, seat and backrest, support, seat front leg, seat back leg and seat supporting block constitute four-bar mechanism, dead point mechanism is equipped between seat front leg and seat back leg, seat back is connected by hinged connecting rod with dead point mechanism;Seat starts upwards drives mechanism unlock in dead point that seat front leg and seat back leg is driven to tilt backwards folding by connecting rod;Seat is pressed downwards drives dead point mechanism is locked seat front leg and seat back leg are ajusted forward expansion by connecting rod.The present invention makes seat folding that seat be driven integrally to move backward using four-bar mechanism, biggish space can be reserved after folding, facilitates discrepancy, and the flexibility that folds of seat and stability have both, structure is simple, ingenious in design, low in cost, practical, is highly convenient for and is worthy of popularization.
Description
Technical field
The present invention relates to a kind of rumble seats, move back formula rumble seat more specifically to one kind.
Background technique
In university of today, senior middle school classroom and numerous academic halls, meeting-place, lecture theater type is used mostly
Tables and chairs, and a general classroom or Conference Hall can at least accommodate more than 100 numbers people, even more.In order to save space,
So tables and chairs, mostly all by the way of fixed seated, this kind of fixed seat is generally used the form of folding, to reach
Maximum space utilization rate.It is not difficult to find that current stationary type folding seat can substantially be divided into following two categories:
One kind is to make the artificial overturning backward upwards of seat plate front end in the way of hinged etc., reaches folded state;It is another kind of to be
The power or gravity applied using torsional spring makes seat plate automatically restore to folded state, reaches folding effect, and when folding is also seat plate
It turns over upwards front end.Although these two types of rumble seats are increased compared to the fixed chair of seat plate, space utilization rate,
But but there is a problem of that one seems normal but very serious: be sitting in middle position audience enter and leave it is very inconvenient, every time into
The audience of surrounding can be all bothered out, it is sometimes desirable to which surrounding audience comes out and could smoothly enter and leave, and is also not easy to sweep in this way
Health, in addition speed is fast during seat plate is restored to folded state, and noise is big, will affect surrounding enviroment peace and quiet, influences other people.
Through retrieving, China Patent No. ZL201420377583.5, authorized announcement date is on December 3rd, 2014, innovation and creation
Title are as follows: humanized folding seat, this application are related to a kind of humanized folding seat, can slide to the chair back by slider-rocker mechanism
Spatial position among seat can be emptied out by column, and when personnel are current, being sitting in seat personnel can stand up seat sliding to chair
Back, while being facilitated the movement of persons setting in the space among seat;Seat has slided into below, also facilitates wipe clean.Even if
In this way, cannot still reach optimum efficiency because when seat folds into the chair back, chair leg and backrest be it is motionless, can not be maximum
It concedes with changing and enters and leaves space, however it remains it is biggish to use limitation, it is not easy to promote the use of.
Therefore, how to design it is a can activity and can reserve certain space facilitate everybody enter and leave and it is practical
Seat becomes technical problem urgently to be resolved.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome existing stationary type folding seat above shortcomings, one kind is provided and moves back formula folding
Folded seat folds seat using four-bar mechanism and is driven seat integrally to move backward, folded using technical solution of the present invention
After can reserve biggish space, facilitate discrepancy;And the flexibility that folds of seat and stability have both, and structure is simple, design
It is ingenious, low in cost, practical, it is highly convenient for and is worthy of popularization, can be widely used for press hall, academic hall
With student classroom etc..
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
One kind of the invention moves back formula rumble seat, including support, seat front leg, seat back leg, seat and backrest, also wraps
Seat supporting block is included, the rear portion of the seat is hinged in seat supporting block, and the backrest is installed in seat supporting block,
The bottom end of the seat front leg and the bottom end of seat back leg it is hinged on the support, the top of the seat front leg and seat
The top of back leg is hinged in seat supporting block, and the support, seat front leg, seat back leg and seat supporting block constitute four
Link mechanism;Dead point mechanism is equipped between the seat front leg and seat back leg, the seat back passes through hinged company
Bar is connected with dead point mechanism;
The seat starts upwards drives mechanism unlock in dead point to drive seat front leg and seat back leg by connecting rod
Tilt backwards folding;The seat is pressed downwards drives dead point mechanism is locked will be after seat front leg and seat by connecting rod
Leg ajusts forward expansion.
As a further improvement of that present invention, when seat is unfolded in seat pressure, the seat front leg and seat back leg
It is in vertical position.
As a further improvement of that present invention, the length of the seat back leg is slightly larger than the length of seat front leg.
As a further improvement of that present invention, the dead point mechanism include the first strut and the second strut, described first
One end of strut and the middle part of seat front leg are hinged, and one end of second strut and the bottom of seat back leg are hinged, described
The first strut and the second strut be hinged, and one end of the hinge joint and connecting rod of the first strut and the second strut is hinged.
As a further improvement of that present invention, the equal length of first strut and the second strut, and depressed in seat
When seat is unfolded, the first strut and the second strut are straightened as same straight line.
As a further improvement of that present invention, the seat is hinged by seat bracket and seat supporting block, and connecting rod
It is hinged on seat bracket.
As a further improvement of that present invention, the backrest is hinged in seat supporting block by back bracket, and seat
Supporting block, which is equipped with to match with back bracket, merges the limiting slot that can limit back bracket rotational angle.
As a further improvement of that present invention, rotational angle of the back bracket in limiting slot is 10 °~20 °.
As a further improvement of that present invention, the seat front leg, seat back leg and seat supporting block constitute Seat support
Unit, and one group of Seat support unit is respectively provided in the two sides of seat.
As a further improvement of that present invention, the dead point mechanism between two groups of Seat support units is linked by central axis and is connected
It connects.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) one kind of the invention moves back formula rumble seat, support, seat front leg, seat back leg and seat supporting block structure
At four-bar mechanism, dead point mechanism is equipped between seat front leg and seat back leg, seat back passes through hinged connecting rod and dead point
Mechanism is connected;Seat starts upwards drives mechanism unlock in dead point to drive seat front leg and seat back leg backward by connecting rod
Oblique fold;Seat is pressed downwards drives dead point mechanism is locked to ajust seat front leg and seat back leg forward by connecting rod
Expansion;It folds seat using four-bar mechanism to drive seat integrally to move backward, biggish space can be reserved after folding, side
Just it enters and leaves;And seat fold flexibility and stability have both, structure is simple, ingenious in design, practical, low in cost,
It is highly convenient for and is worthy of popularization, can be widely used for press hall, academic hall and student classroom etc.;
(2) one kind of the invention moves back formula rumble seat, when seat is unfolded in seat pressure, seat front leg and seat
Back leg is in vertical position, and not only structural stability is good, but also the bearing capacity of seat can be improved, and meets the people of different weight
It uses;
(3) one kind of the invention moves back formula rumble seat, and the length of seat back leg is slightly larger than the length of seat front leg, this
Sample, after seat folding, seat front leg can have bigger inclination angle, thereby may be ensured that and vacate bigger sky after seat folds
Between, and can make after folding seat supporting block drive backrest turn forward, make seat fold it is more compact, convenient for seat with
Heel row desk space arrangement, makes full use of space;
(4) one kind of the invention moves back formula rumble seat, and dead point mechanism includes the first strut and the second strut, the first support
One end of bar and the middle part of seat front leg are hinged, and one end of the second strut and the bottom of seat back leg are hinged, the first strut and
Two struts are hinged, and one end of the hinge joint and connecting rod of the first strut and the second strut is hinged;Dead point mechanism structure is simple, spirit
Living reliable, stability is good, drives entire seat to fold or be unfolded by seat, switching is nimbly and freely;
(5) one kind of the invention moves back formula rumble seat, the equal length of the first strut and the second strut, and in seat
Pressure is when being unfolded seat, and the first strut and the second strut are straightened as same straight line, utilizes the drawing of the first strut and the second strut
Power locks four-bar mechanism, is conducive to the bearing capacity for improving rumble seat;
(6) one kind of the invention moves back formula rumble seat, and seat is hinged by seat bracket and seat supporting block, and
Connecting rod is hinged on seat bracket, is installed convenient for seat, easy to make;
(7) one kind of the invention moves back formula rumble seat, and backrest is hinged in seat supporting block by back bracket, and
Seat supporting block, which is equipped with to match with back bracket, merges the limiting slot that can limit back bracket rotational angle, enables backrest
It turns an angle, comfort not only can be improved, but also be more conducive to reducing seat and heel row desk using space
Between mounting distance, improve space utilization rate;
(8) one kind of the invention moves back formula rumble seat, and seat front leg, seat back leg and seat supporting block constitute seat
Support unit, and be respectively provided with one group of Seat support unit in the two sides of seat, keeps the structure of seat more reliable and more stable, using making an uproar
Sound is small, and the service life is longer.
Detailed description of the invention
Fig. 1 is a kind of deployed configuration schematic diagram for moving back formula rumble seat of the invention;
Fig. 2 is a kind of foldable structure schematic diagram for moving back formula rumble seat of the invention;
Fig. 3 is a kind of expansion side structure schematic view for moving back formula rumble seat of the invention;
Fig. 4 is a kind of folding side structure schematic view for moving back formula rumble seat of the invention;
Fig. 5 is a kind of relation schematic diagram moved back after formula rumble seat folds with heel row desk of the invention;
Fig. 6 is the limiting slot of seat supporting block and the fit structure schematic diagram of back bracket in the present invention;
Fig. 7 is a kind of folding principle schematic diagram for moving back formula rumble seat of the invention.
Label declaration in schematic diagram:
1, support;2, seat front leg;3, seat back leg;4, seat supporting block;4-1, limiting slot;5, seat;6, backrest;7,
Back bracket;8, seat bracket;9, the first strut;10, the second strut;11, central axis;12, connecting rod.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
In conjunction with shown in Fig. 1 to Fig. 4, one kind of the present embodiment moves back formula rumble seat, including support 1, seat front leg 2, seat
Chair back leg 3, seat supporting block 4, seat 5 and backrest 6, the rear portion of seat 5 are hinged in seat supporting block 4, can be flipped up
It folds, backrest 6 is installed in seat supporting block 4, and support 1 is for fixing entire rumble seat, the bottom end of seat front leg 2 and seat
The bottom end of back leg 3 is hinged on support 1, and the top of seat front leg 2 and the top of seat back leg 3 are hinged on seat supporting block
On 4, in this way, support 1, seat front leg 2, seat back leg 3 and seat supporting block 4 constitute four-bar mechanism, can be realized seat to
It is mobile afterwards to fold;Since four-bar mechanism has unstability, dead point is equipped between seat front leg 2 and seat back leg 3
Mechanism realizes the freedom degree control of seat folding mechanism, has both the stability of seat and flexibility;5 back of seat passes through
Hinged connecting rod 12 is connected with dead point mechanism, can control the use state of seat by the overturning of seat 5 in this way, specifically
Ground, seat 5 starts upwards drives mechanism unlock in dead point that seat front leg 2 and seat back leg 3 is driven to retreat by connecting rod 12
Bias is folded;Seat 5 is pressed downwards drives dead point mechanism locked for seat front leg 2 and seat back leg 3 forward by connecting rod 12
Ajust expansion.After adopting the above structure, folding seat 5 using four-bar mechanism drives seat integrally to move backward, after folding
Biggish space can be reserved, facilitates discrepancy, and the flexibility that folds of seat and stability have both.
Referring to shown in Fig. 1 and Fig. 3, in the present embodiment, when seat is unfolded in the pressure of seat 5, seat front leg 2 and seat
Back leg 3 is in vertical position, in this way, not only the structural stability of seat is good, but also based on seat front leg 2 and seat back leg 3
Load part is wanted, it is similar with traditional Chinese chair, the bearing capacity of seat can be improved, the people for meeting different weight uses.In addition, at this
In embodiment preferably, the length of seat back leg 3 is slightly larger than the length of seat front leg 2, after designing in this way, according to four-bar mechanism
The characteristics of, after seat folding, seat front leg 2 can have bigger inclination angle (as shown in Figure 2 and Figure 4), thereby may be ensured that
Seat vacates bigger space after folding, and maximumlly facilitates discrepancy;Also, whole move back is needed since seat folds
Dynamic, therefore need between seat and heel row desk that there are certain spaces, and after adopting the above structure, seat after folding can be with
Make seat supporting block 4 that backrest 6 be driven to turn forward (by Fig. 2 and Fig. 4 it is also seen that), folds seat more compact, be convenient for
Seat and heel row desk carry out space layout, make full use of space.
Above-mentioned dead point mechanism has the unlocked state in the lock state of seat expanded position and in seat folding position,
To which the flexibility for folding seat and stability have both.Specific in the present embodiment, dead point mechanism includes the first strut 9 and the
Two struts 10, one end of the first strut 9 and the middle part of seat front leg 2 are hinged, one end of the second strut 10 and the bottom of seat back leg 3
Portion is hinged, and the first strut 9 and the second strut 10 are hinged, and the hinge joint of the first strut 9 and the second strut 10 and connecting rod 12
One end is hinged.When seat 5 starts upwards, connecting rod 12 pulls the first strut 9 and the second strut 10 to fold, to make seat front leg
2 and seat back leg 3 tilt backwards folding, when seat 5 presses downwards, connecting rod 12 push the first strut 9 and the second strut 10 support
It opens, so that seat front leg 2 and seat back leg 3 will be made to strut, realizes seat expansion, simple, flexibility and reliability, stability with structure
The features such as good, and drive entire seat to fold or be unfolded by seat 5, nimbly and freely, movement synchronizes for switching.Preferably, the second support
The equal length of bar 10 and bottom end hinged first strut 9 and the second strut 10 of seat back leg 3, and depressed in seat 5
When seat is unfolded, the first strut 9 and the second strut 10 are straightened as same straight line, are formed triangle dead point mechanism, are utilized first
The pulling force of strut and the second strut locks four-bar mechanism, is conducive to the bearing capacity for improving rumble seat.
As shown in Figure 2, Figure 3 and Figure 4, in the present embodiment, seat 5 is cut with scissors by seat bracket 8 and 4 phase of seat supporting block
It connects, is installed convenient for seat 5, it is easy to make, and connecting rod 12 is hinged on seat bracket 8, connects connecting rod using seat bracket 8
12 is more convenient.In the present embodiment, backrest 6 is hinged in seat supporting block 4 by back bracket 7, and in seat supporting block 4
Merge the limiting slot 4-1 (shown in Figure 6) that can limit 7 rotational angle of back bracket, backrest equipped with matching with back bracket 7
Rotational angle of the bracket 7 in limiting slot 4-1 is 10 °~20 °, best with 15 ° of rotational angle, and backrest 6 is enable to rotate one
Determine angle, design in this way not only conforms with ergonomics, adapts to the people of different building shape, comfort is improved, moreover, such as Fig. 5 institute
Show, after seat folding, the certain angle although backrest 6 can turn forward with seat supporting block 4 cannot still reach best
State is arranged by the rotation of backrest 6, and when seat integrally moves back, backrest 6 can be adjusted and heel row desk by rotating
Between state, so that backrest 6 is close to heel row desk, the mounting distance between seat and heel row desk reduced, before making tables and chairs
Spacing is more reasonable afterwards, further improves space utilization rate, has both met the requirement of tables and chairs installation number, has in turn ensured that seat makes
With flexibility and comfort.
Above-mentioned seat front leg 2, seat back leg 3 and seat supporting block 4 can be arranged one group at the middle part of seat 5, at this time
Seat front leg 2, seat back leg 3 and seat supporting block 4 need biggish width and structural strength to meet requirement, set in this way
The defect set is that structural stability can be poor, and more sturdy rod piece also will increase seat-weight.Therefore, in the present embodiment
In, it is preferable that seat front leg 2, seat back leg 3 and seat supporting block 4 constitute Seat support unit, and respectively set in the two sides of seat
There is one group of Seat support unit (as depicted in figs. 1 and 2), keeps the structure of seat more reliable and more stable, it is small using noise, use the longevity
It orders longer, while seat overall weight can be reduced.In addition, the dead point mechanism between two groups of Seat support units passes through central axis
11 are connected, and connecting rod 12 is hinged on the middle part of central axis 11, and such setting structure is simple, and stability is very good.
As shown in fig. 7, give a kind of folding principle schematic diagram for moving back formula rumble seat of the present embodiment, by can in figure
Can be clearly seen, positional relationship of the seat in unfolded state and folded state, after folding, seat has integrally moved backward one
Set a distance has vacated biggish space on front side of seat, greatly personnel can be facilitated to enter and leave.Also, it can be with by the schematic diagram
Calculate, the freedom degree of the foldable structure of the seat is 1, by the overturning of seat 5 can synchronous drive seat be integrally unfolded or
It folds.According to the description above, it will be understood that by accurately calculating the length and movement relation of each rod piece, seat can be made
Reach best use effect, seat 5 can be flipped up 90 °, and folded configuration is very compact.
One kind of the invention moves back formula rumble seat, replaces seat leg using four-bar mechanism, hand is given when standing up by people
Seat applies the external force being flipped up, and folds seat and seat is driven integrally to move backward, can reserve after folding larger
Space, facilitate discrepancy, solve the problems, such as to convenient and efficient the resigning between seat, structure is simple and unstability is not qualitative;And
The flexibility and stability that seat folds are had both, ingenious in design, practical, low in cost, are highly convenient for and are worthy to be popularized to answer
With can be widely used for press hall, academic hall and student classroom etc..
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. one kind moves back formula rumble seat, including support (1), seat front leg (2), seat back leg (3), seat (5) and backrest
(6), it is characterised in that: it further include seat supporting block (4), the rear portion of the seat (5) is hinged on seat supporting block (4),
The backrest (6) is installed on seat supporting block (4), the bottom end of the seat front leg (2) and the bottom end of seat back leg (3)
It is hinged on support (1), the top of the seat front leg (2) and the top of seat back leg (3) are hinged on seat support
On block (4), the support (1), seat front leg (2), seat back leg (3) and seat supporting block (4) constitute four-bar mechanism;Institute
Dead point mechanism is equipped between the seat front leg (2) stated and seat back leg (3), the seat (5) back passes through hinged connecting rod
(12) it is connected with dead point mechanism;
The dead point mechanism includes the first strut (9) and the second strut (10), one end of first strut (9) and seat
The middle part of foreleg (2) is hinged, and one end of second strut (10) and the bottom of seat back leg (3) are hinged, and described first
Strut (9) and the second strut (10) are hinged, and the one of the hinge joint of the first strut (9) and the second strut (10) and connecting rod (12)
End is hinged;
The seat (5) starts upwards drives mechanism unlock in dead point to drive seat front leg (2) and seat by connecting rod (12)
Chair back leg (3) tilts backwards folding;The seat (5) is pressed downwards drives dead point mechanism is locked will by connecting rod (12)
Seat front leg (2) and seat back leg (3) ajust forward expansion, and when seat is unfolded in seat (5) pressure, before the seat
Leg (2) and seat back leg (3) are in vertical position, and the length of the seat back leg (3) is slightly larger than the length of seat front leg (2)
Degree.
2. one kind according to claim 1 moves back formula rumble seat, it is characterised in that: first strut (9) and
The equal length of two struts (10), and when seat is unfolded in seat (5) pressure, the first strut (9) and the second strut (10) are drawn
It is directly same straight line.
3. one kind according to claim 2 moves back formula rumble seat, it is characterised in that: the seat (5) passes through seat
Bracket (8) is hinged with seat supporting block (4), and connecting rod (12) is hinged on seat bracket (8).
4. moving back formula rumble seat to one kind described in 3 any one according to claim 1, it is characterised in that: the backrest
(6) it is hinged on seat supporting block (4) by back bracket (7), and seat supporting block (4) is equipped with and back bracket (7) phase
The limiting slot (4-1) of back bracket (7) rotational angle can be limited with merging.
5. one kind according to claim 4 moves back formula rumble seat, it is characterised in that: the back bracket (7) is limiting
Rotational angle in position slot (4-1) is 10 ° ~ 20 °.
6. one kind according to claim 4 moves back formula rumble seat, it is characterised in that: the seat front leg (2), seat
Back leg (3) and seat supporting block (4) constitute Seat support unit, and are respectively provided with one group of Seat support unit in the two sides of seat.
7. one kind according to claim 6 moves back formula rumble seat, it is characterised in that: between two groups of Seat support units
Dead point mechanism is connected by central axis (11).
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CN201611088318.5A CN106388364B (en) | 2016-12-01 | 2016-12-01 | One kind moving back formula rumble seat |
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CN201611088318.5A CN106388364B (en) | 2016-12-01 | 2016-12-01 | One kind moving back formula rumble seat |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108577301A (en) * | 2017-12-25 | 2018-09-28 | 李燕 | A kind of rumble seat |
CN113040527B (en) * | 2021-05-07 | 2022-05-17 | 江西省南城县发华实业有限公司 | Tablet chair with humpback prevention function |
CN113940862A (en) * | 2021-10-22 | 2022-01-18 | 沈阳理工大学 | Help old and prevent falling down device |
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DE2221542A1 (en) * | 1972-05-03 | 1973-11-15 | Peitz & Co Stanzwerk | ADJUSTABLE CHAIR |
CN1465313A (en) * | 2002-07-02 | 2004-01-07 | 侯红旗 | Automatic driven head, back and foot massage chair |
CN202775232U (en) * | 2012-07-30 | 2013-03-13 | 浙江理工大学 | Multifunctional leisure folding chair |
CN104771003A (en) * | 2015-04-03 | 2015-07-15 | 河海大学常州校区 | Portable multifunctional folding chair |
CN204541219U (en) * | 2015-03-19 | 2015-08-12 | 河北工程大学 | One can flush system tables and chairs |
JP2015194219A (en) * | 2014-03-31 | 2015-11-05 | Sppテクノロジーズ株式会社 | Link device |
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---|---|---|---|---|
DE2221542A1 (en) * | 1972-05-03 | 1973-11-15 | Peitz & Co Stanzwerk | ADJUSTABLE CHAIR |
CN1465313A (en) * | 2002-07-02 | 2004-01-07 | 侯红旗 | Automatic driven head, back and foot massage chair |
CN202775232U (en) * | 2012-07-30 | 2013-03-13 | 浙江理工大学 | Multifunctional leisure folding chair |
JP2015194219A (en) * | 2014-03-31 | 2015-11-05 | Sppテクノロジーズ株式会社 | Link device |
CN204541219U (en) * | 2015-03-19 | 2015-08-12 | 河北工程大学 | One can flush system tables and chairs |
CN104771003A (en) * | 2015-04-03 | 2015-07-15 | 河海大学常州校区 | Portable multifunctional folding chair |
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