CN107826007A - A kind of embedded scissors fork elevating seat for bus - Google Patents
A kind of embedded scissors fork elevating seat for bus Download PDFInfo
- Publication number
- CN107826007A CN107826007A CN201711206388.0A CN201711206388A CN107826007A CN 107826007 A CN107826007 A CN 107826007A CN 201711206388 A CN201711206388 A CN 201711206388A CN 107826007 A CN107826007 A CN 107826007A
- Authority
- CN
- China
- Prior art keywords
- seat
- scissor
- shrouding
- backrest
- type lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
- B60N2/3072—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
- B60N2/161—Rods
- B60N2/162—Scissors-like structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/242—Bus seats
Abstract
A kind of embedded scissors fork elevating seat for bus, the seat is arranged in the Lower Hold below the floor of bus, the seat includes seat and is hinged on the backrest of the side of seat one, the bottom plate of Lower Hold bottom is provided with least one scissor-type lifting mechanism being hinged on below seat, scissor-type lifting mechanism drives its to drive seat lifting by the drive mechanism being arranged on bottom plate, and the breach that abutment chair passes through is offered on the path that the floor of bus lifts along seat.The present invention realizes the automatic lifting of seat by scissor-type lifting mechanism, passenger need not influence again in-car it is safe when, seat can rise certain altitude, and open backrest, reduce the standing of passenger；In compartment passenger stand more and space it is inadequate when, seat can be folded in Lower Hold, save the space of interior.
Description
Technical field
The present invention relates to bus facility technology field, and in particular to a kind of embedded scissors fork elevating seat for bus
Chair.
Background technology
At present, bus has turned into the essential vehicles in people's trip, and bus is from design and technical characteristic
From the point of view of, bus bottom different from the vehicle (such as coach, sightseeing bus, private bus) of other Large and medium buses
Floor above storehouse is provided with passenger seat and the passage stood and walked about for passenger, it is desirable to which area of standing is big, compartment internal channel
With gateway is wide, two or more car door.The relatively bad situation of bus ride quality is thus caused, tracing it to its cause is
The numbers of seats of bus is limited, when passenger is relative on car does not have to squeeze, still there is the feelings that most of passenger's trip can be sat without seat
Shape, for road farther out, for the passenger such as weak, there is certain discomfort, therefore, some passengers carry camp chair as facing
When seat, but because it can not be fixed, when driving in the presence of certain potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of embedded scissors fork elevating seat for bus, the seat can not make
Used time insertion is accommodated in the Lower Hold of bus, and and can enough stretches out the Lower Hold of bus when needed.
The used to achieve the above object technical scheme of the present invention is：A kind of embedded scissors fork elevating for bus
Seat, the seat are arranged in the Lower Hold below the floor of bus, and the seat includes seat and is hinged on the side of seat one
Backrest, the bottom plate of Lower Hold bottom are provided with least one scissor-type lifting mechanism being hinged on below seat, fork type elevator
Structure drives its to drive seat lifting by the drive mechanism being arranged on bottom plate, is opened on the path that the floor of bus lifts along seat
The breach passed through provided with abutment chair.
Two groups are additionally provided with the Lower Hold of the present invention to be symmetrical arranged and be used in the fully extended Lower Hold of seat or be retracted to Lower Hold
In after the sealing device that is sealed to breach, two groups of sealing devices are located at the both sides that scissor-type lifting mechanism is oppositely arranged.
Every group of sealing device in the present invention includes shrouding, cam mechanism and pinion and rack, cam mechanism bag
Include driven member, motor and contacted by motor-driven cam, driven member with the outline of cam, and in the cam of motor driven
In the presence of do vertical linear reciprocating motion, be fixedly connected with horizontally disposed connecting plate on driven member, bottom plate is provided with vertical
The guide pillar of setting, the side of connecting plate are provided with the guide pin bushing for being slidably matched and being set on guide pillar；Pinion and rack includes gear, tooth
Bar and the motor rotated for drive gear, the motor rotated for drive gear are fixed on connecting plate, gear and level
It is located at the rack engagement above gear to set, described shrouding is fixed on rack, and vertical reciprocating linear fortune is in driven member
During the state of the lowest order in dynamic path, pinion and rack drives shrouding to be moved to close to the direction of breach, in the outer rim of shrouding
With the edge of breach to it is corresponding when pinion and rack be stopped, driven member moves to highest order in the presence of cam, makes envelope
The upper surface of plate and the upper surface flush on floor.
Further, in every group of sealing device, the outer rim of shrouding is provided with electromagnet, the edge of breach be provided with shrouding
The electromagnet that electromagnet is correspondingly arranged；The upper surface of shrouding is provided with warning lamp；Described bottom plate is provided with pedestal, in cam mechanism
Motor be arranged on pedestal on；In every group of sealing device, the side being oppositely arranged on shrouding with electromagnet thereon is provided with convex shoulder,
Scissor-type lifting mechanism is provided with the support block for being used for being supported after shrouding seals breach to the convex shoulder of shrouding, and on shrouding
It is provided with and supplies along scissors type elevating along the lift path of scissor-type lifting mechanism on the side being oppositely arranged with electromagnet thereon
The groove that mechanism passes through.
Scissor-type lifting mechanism in the present invention is two groups, and two groups of scissor-type lifting mechanisms are symmetrically arranged on seat and backrest
Two sides being disposed adjacent, and two sides of seat are oppositely arranged；Scissor-type lifting mechanism includes multiple levels point
The basic scissor unit put, basic scissor unit are made up of two scissor arms intersected with each other, in each basic scissor unit
Two scissor arms are connected in infall using articulated manner, the lower end point of two scissor arms in the basic scissor unit in upper strata
It is corresponding with the upper end of two scissor arms in the basic scissor unit of lower floor not be hinged, the setting of scissor arm lengths, make scissor
After formula elevating mechanism and seat fold completely, the lateral surface of backrest and the upper surface on floor are generally aligned in the same plane.
Further, bottom plate is provided with two bar shaped slideways be arrangeding in parallel, is mounted on gliding in two bar shaped slideways
Block, connected by connecting rod between two sliding blocks, drive mechanism is provided on the bottom plate between two bar shaped slideways, driving
Mechanism includes the motor that leading screw, the nut being set on leading screw and control leading screw rotate, and nut is fixed on the middle part of connecting rod；
The lower surface of seat is provided with two bar shaped chutes be arrangeding in parallel, and top shoe is mounted in two bar shaped chutes, wherein, bar shaped
Upright projection of the chute on bottom plate be arranged in parallel with bar shaped slideway；In two groups of scissor-type lifting mechanisms, positioned at the base of the bottom
The lower end of one of scissor arms in this scissor unit is articulated with bottom plate, and the scissor arms are in the basic scissor positioned at top
Upper end in unit is articulated with top shoe；Under another scissor arms in the basic scissor unit of the same bottom
End is articulated with sliding block, and upper end of the scissor arms in the basic scissor unit positioned at top is articulated with seat lower surface,
Make drive mechanism as the power source for actuating scissor-type lifting mechanism and being lifted.
In the present invention, it is connected with each other between seat and backrest by least one fold mechanism, fold mechanism includes movement
Block, motor and by motor-driven driving lever, are provided with the raceway for penetrating its two opposite side surfaces, are provided with raceway in movable block
Can be in the roller of its internal slide, and it is provided with two stopping means positioned to roller position in movable block；Wherein, seat
Upper surface be provided with bearing pin, the drive shaft of the motor in one end and fold mechanism of driving lever is direct-connected, the other end of driving lever with
Roller is fixedly connected；One end of movable block is hinged with bearing pin, and the other end of movable block is fixedly connected with backrest by connecting pole,
Motor drives roller to be slided in raceway by driving lever, and then drives backrest to seat folding or remote.
Wherein, it is connected with each other between seat and backrest by two fold mechanisms, two fold mechanisms are placed in seat phase
To two sides of setting；Described stopping means includes spring and arc block, and two ducts are provided with inside movable block, duct
One end penetrates raceway, and one end of spring is fixed on the bottom in duct, and the other end of spring is fixedly connected with arc block, at spring
When primitive nature length, arc block can extend into raceway and carry out spacing, arc block and roller contact to the roller of contact
Surface be with roller outer peripheral face shape be adapted cambered surface.
In the present invention, the medial surface on backrest close to seat is provided with projection, and projection makes backrest and chair after folding completely
Face be arranged in parallel.
In the present invention, the lateral surface away from seat is provided with warning lamp and weight sensor on backrest, is provided with warning lamp
Sound output module and light-emitting component；The seat also includes control device, and control device is by A/D converter, memory and each electricity
Machine driver connection processor and control processor working condition controlling switch composition, processor respectively with A/D
Converter, controlling switch are connected with memory, and control device, weight sensor and warning lamp electrical connection are with being arranged in backrest
Circuit board, the circuit board are connected with battery；Described warning lamp is connected with processor, and described weight sensor turns with A/D
Parallel operation is connected.
Beneficial effect：The present invention realizes the automatic lifting of seat by scissor-type lifting mechanism, needs again not shadow in passenger
When ringing in-car safe, seat can rise certain altitude, and open backrest, reduce the standing of passenger；Passenger stands in compartment
When vertical more and space is inadequate, seat can be folded in Lower Hold, save the space of interior.
The power source that the present invention is lifted using scissor-type lifting mechanism as seat, makes basic scissor unit modularization, can
With any number for adding or reducing basic scissor unit of needs according to actual motion stroke；With good space extensibility
Can, integrated model rigidity is big, has good stability；Parallel operation, bearing capacity height are realized using two groups of fork type elevators；Structure
Simply, cost is cheap；Manpower is saved, improves whole work efficiency.
The present invention is sealed using sealing device to the breach on floor, and the situation for avoiding causing passenger to make a misstep occurs；
It is connected with each other between seat and backrest by fold mechanism, backrest and seat is converted into and is opened.
Brief description of the drawings
Fig. 1 is the use state figure of the fully extended Lower Hold of seat in the present invention；
Fig. 2 is seat and the connection diagram of the basic scissor unit positioned at top in Fig. 1；
Fig. 3 is the enlarged diagram that A is marked in Fig. 2；
Fig. 4 is the enlarged diagram of movable block in Fig. 3；
Fig. 5 is sealing device and the schematic diagram of the basic scissor unit positioned at the bottom；
Fig. 6 be Fig. 5 in along A-A to schematic diagram；
Fig. 7 is the enlarged diagram that B is marked in Fig. 5；
Fig. 8 is that seat is retracted to the state diagram in Lower Hold completely in the present invention；
Fig. 9 is the enlarged diagram that C is marked in Fig. 8；
Figure 10 is the top view of two shroudings in Fig. 1；
Figure 11 is the schematic diagram of control device.
Reference：1st, seat, 2, backrest, 3, Lower Hold, 4, bottom plate, 5, floor；6th, scissor-type lifting mechanism, 60, scissor
Arm；7th, fold mechanism, 70, movable block, 71, driving lever, 72, raceway, 73, roller, 74, bearing pin；8th, shrouding, 80, convex shoulder, 81,
Groove；9th, cam, 10, driven member, 11, gear, 12, rack, 13, connecting plate, 14, guide pillar, 15, guide pin bushing, 16, electromagnet, 17,
Warning lamp, 18, pedestal, 19, support block, 20, bar shaped slideway, 21, sliding block, 22, connecting rod, 23, leading screw, 24, nut, 25,
Bar shaped chute, 26, top shoe, 27, spring, 28, arc block, 29, projection, 30, weight sensor, 31, hinged seat, 32, connection
Post, 33, motor, 34, drive shaft.
Embodiment
Technological means, creation characteristic and the purpose reached to realize the present invention readily appreciate, with reference to specific
Scheme of installation, the present invention is expanded on further, but scope of the present invention is not limited in embodiment
Described scope.
A kind of embedded scissors fork elevating seat for bus, as shown in figure 1, the seat is arranged on the floor of bus
In the Lower Hold 3 of 5 lower sections, the seat includes seat 1 and is hinged on the backrest 2 of the side of seat 1 one, is set on the bottom plate 4 of the bottom of Lower Hold 3
There is at least one scissor-type lifting mechanism 6 for being hinged on the lower section of seat 1, scissor-type lifting mechanism 6 is by the drive that is arranged on bottom plate 4
Motivation structure drives its to drive seat lifting, offered on the path that the floor 5 of bus lift along seat abutment chair pass through it is scarce
Mouthful.
Wherein, as shown in Figures 2 and 3, it is connected with each other, is rolled over by least one fold mechanism 7 between seat 1 and backrest 2
Folded mechanism 7 includes movable block 70, motor and by motor-driven driving lever 71, and movable block 70 is interior, and provided with insertion, it is relative two
The raceway 72 of side, interior be provided with of raceway 72 can be provided with two to roller 73 in the roller 73 of its internal slide, and in movable block 70
The stopping means that position is positioned；Wherein, the upper surface of seat 1 is provided with bearing pin 74, one end and the fold mechanism 7 of driving lever 71
The drive shaft 34 of interior motor is direct-connected, and the other end of driving lever 71 is fixedly connected with roller 73；One end of movable block 70 and bearing pin
74 are hinged, and the other end of movable block 70 is fixedly connected with backrest 2 by connecting pole 32, and motor drives roller by driving lever 71
73 slide in the raceway 72, and then drive backrest 2 to be folded to seat 1 or remote.
Fig. 2 is the side view of seat, is connected with each other between seat 1 and backrest 2 by two fold mechanisms 7, two foldings
Mechanism 7 is placed in two sides that seat 1 is oppositely arranged.
As shown in Fig. 2 the lateral surface away from seat 1 is provided with warning lamp 17 and weight sensor 30, warning lamp on backrest 2
Sound output module and light-emitting component are provided with 17；The seat also includes control device, and control device is by A/D converter, storage
The controlling switch composition of the working condition of device, the processor being connected with the driver of each motor and control processor, processor
Respectively with A/D converter, as shown in figure 11, controlling switch is connected with memory, control device, weight sensor and warning lamp electricity
The circuit board in backrest is connected and is arranged at, the circuit board is connected with battery；Described warning lamp 17 is connected with processor, institute
The weight sensor 30 stated is connected with A/D converter.The external button of processor presses button, works as weight, it is necessary to when ejecting seat
When sensor has detected weight, sound and light are sent by sound output module and light-emitting component, when weight sensor is examined
Measuring when there is no weight, processor controls each motor to work in order, meanwhile, sound is sent by sound output module and light-emitting component
Sound and light.The control system of this part belongs to existing known warning system, will not be repeated here.
As shown in figure 4, stopping means includes spring 27 and arc block 28, the inside of movable block 70 is provided with two ducts, duct
One end insertion raceway 72, one end of spring 27 is fixed on the bottom in duct, and the other end of spring 27 is fixed with arc block 28 to be connected
Connect, when spring 27 is in primitive nature length, arc block 28 can extend into raceway 72 and the roller 73 of contact is limited
Position, the surface that arc block 28 contacts with roller 73 are the cambered surface being adapted with the outer peripheral face shape of roller 73.
It is symmetrical arranged as shown in figure 1, being additionally provided with two groups in Lower Hold 3 and is used in the fully extended Lower Hold 3 of seat or is retracted to
The sealing device sealed after in Lower Hold 3 to breach, two groups of sealing devices are located at scissor-type lifting mechanism 6 is oppositely arranged two
Side.
As shown in figure 5, every group of sealing device includes shrouding 8, cam mechanism and pinion and rack, set on bottom plate 4
There is a pedestal 18, the motor in cam mechanism is arranged on pedestal 18.Cam mechanism therein include driven member 10, motor and by
Motor-driven cam 9, driven member 10 contact with the outline of cam 9, and are done vertically in the presence of the cam 9 of motor driven
Linear reciprocating motion, horizontally disposed connecting plate 13 is fixedly connected with driven member 10, and bottom plate 4 is provided with the guide pillar being vertically arranged
14, the side of connecting plate 13 is provided with the guide pin bushing 15 for being slidably matched and being set on guide pillar 14；
Pinion and rack therein includes gear 11, rack 12 and the motor rotated for drive gear 11, for driving
The motor that gear 11 rotates is fixed on connecting plate 13, and the rack 12 that gear 11 is located at the top of gear 11 with level engages setting,
Described shrouding 8 is fixed on rack 12, during the state for the lowest order that vertical linear reciprocating motion path is in driven member 10,
Pinion and rack drives shrouding 8 to be moved to close to the direction of breach, on the outer rim of two ultimate range of shrouding 8 and the side of breach
Pinion and rack is stopped when edge is to corresponding to, and driven member 10 moves to highest order under the rotary action of cam 9, makes shrouding 8
Upper surface and floor 5 upper surface flush.
As shown in figure 5 and figure 7, in every group of sealing device, the outer rim of shrouding 8 is provided with electromagnet, the edge of breach be provided with
The electromagnet that electromagnet on shrouding 8 is correspondingly arranged；The upper surface of shrouding 8 is provided with warning lamp；As shown in figure 8, described every group
In sealing device, the side being oppositely arranged on shrouding 8 with electromagnet thereon is provided with convex shoulder 80, is set on scissor-type lifting mechanism 6
There is the support block 19 for being supported after shrouding 8 seals breach to the convex shoulder 80 of shrouding 8.
In the present invention, scissor-type lifting mechanism 6 be two groups, Fig. 1 be the present invention side view, two groups of scissor-type lifting mechanisms
Two sides being disposed adjacent on seat 1 with backrest 2 are symmetrically arranged at, and two sides of seat 1 are oppositely arranged.
As depicted in figs. 1 and 2, every group of scissor-type lifting mechanism 6 includes the basic scissor unit that multiple levels are split, base
This scissor unit is made up of two scissor arms 60 intersected with each other, and two scissor arms 60 in each basic scissor unit are formed
" X " type structure, two scissor arms 60 in each basic scissor unit in infall using articulated manner connection, positioned at upper strata base
The lower end of two scissor arms in this scissor unit upper end with two scissor arms in the basic scissor unit of lower floor respectively
It is corresponding be hinged, the setting of scissor arm lengths, after making the folding completely of scissor-type lifting mechanism 6 and seat, lateral surface and the ground of backrest 2
The upper surface of plate 5 is generally aligned in the same plane.
As shown in Figure 5 and Figure 6, bottom plate 4 is provided with two bar shaped slideways 20 be arrangeding in parallel, two bar shaped slideways and two groups
Scissor-type lifting mechanism is correspondingly arranged, and sliding block 21 is mounted in two bar shaped slideways 20, is passed through between two sliding blocks 21
Connecting rod 22 is connected, and drive mechanism is provided on the bottom plate 4 between two bar shaped slideways 20, drive mechanism include leading screw 23,
The motor that the nut 24 and control leading screw 23 being set on leading screw 23 rotate, nut 24 are fixed on the middle part of connecting rod 22.This
In invention, electromagnetic brake is housed on the motor shaft for the motor that control leading screw 23 rotates, can be braked rapidly after making motor stopping,
Complete motor self-locking；Unclamped after energization, do not influence the rotation of motor shaft.
As depicted in figs. 1 and 2, the lower surface of seat 1 is provided with two bar shaped chutes 25 be arrangeding in parallel, two bar shaped chutes
Top shoe 26 is mounted in 25, wherein, upright projection of the bar shaped chute 25 on bottom plate be arranged in parallel with bar shaped slideway；Two groups
In scissor-type lifting mechanism, the lower end of one of scissor arms in the basic scissor unit of the bottom is articulated with bottom plate 4,
And upper end of the scissor arms in the basic scissor unit positioned at top is articulated with top shoe 26；Positioned at the same bottom
The lower end of another scissor arms in basic scissor unit is articulated with sliding block 21, and the scissor arms are in the base positioned at top
Upper end in this scissor unit is articulated with the lower surface of seat 1, drive mechanism conduct is actuated scissor-type lifting mechanism 6 and is risen
The power source of drop.The hinged seat for connecting scissor arms is installed with the lower surface of seat 1；It is installed with bottom plate 4
For connecting the hinged seat of scissor arms；Two groups of scissor-type lifting mechanisms are symmetrical arranged.
The operation principle that backrest 2 is folded along seat 1 in seat：If using Fig. 8 as the reset condition of the present invention, that is, lean on
The back of the body 2 is parallel to each other with seat 1, and the upper surface of backrest 2 is concordant with the upper surface of floor 5, in this condition, as shown in figure 9, roller 73
In one end of raceway 72.Stood when unmanned in compartment when positioned at the top of the backrest 2 of the indentation, there of floor 5, open fold mechanism 7
In motor, the drive shaft 34 of motor drives driving lever 71 around the center rotating of drive shaft 34, and then drives the one end of driving lever 71
Roller 73 slide in the raceway 72, when roller 73 slides into the other end of raceway 72, i.e. the bottom of raceway 72 in Fig. 3
When, backrest 2 is folded to the state such as Fig. 2 along seat 1, i.e. backrest 2 is mutually perpendicular to seat 1.By controlling fold mechanism
In motor forward or reverse, realize that side of the backrest 2 along seat 1 is folded or deployed.
Every group of sealing device operation principle：If using Fig. 8 as the reset condition of the present invention, the i.e. upper surface of backrest 2 and floor 5
Upper surface is concordant, and backrest 2 has sealed the breach on floor 5 completely, and in this condition, shrouding 8 is incorporated in Lower Hold 3, driven member
The state of 10 lowest orders in vertical linear reciprocating motion path.Fig. 8 complete receiving state converts to Fig. 1 use state
During, the motion process of every group of sealing device is：Make the fully extended Lower Hold 3 of scissor-type lifting mechanism 6 in advance, open control tooth
The motor that wheel 11 rotates, under the rotary action of gear 11, two move toward one anothers of rack 12 in two groups of sealing devices, rack 12
Drive shrouding 8 to move together, when the outer rim of each shrouding 8 and the inner edge of breach to it is corresponding when stop the motor of the rotation of control gear 11
Only work, open the motor that control cam 9 rotates, rotate cam 9, driven member 10 moves to its big travel position, when driven
When part 10 is in range, the upper surface of shrouding 8 is concordant with the upper surface on floor 5, i.e. the state such as Fig. 1.Due on shrouding 8
It is provided with and supplies along scissors type elevating along the lift path of scissor-type lifting mechanism 6 on the side being oppositely arranged with electromagnet thereon
The groove 81 that mechanism 6 passes through, as shown in Figure 10, the presence of scissor-type lifting mechanism 6 do not interfere the motion of shrouding 8.
The present invention drives shrouding translation using pinion and rack, and pinion and rack bearing capacity is big, and high transmission accuracy,
Continuity can be infinitely docked, transmission speed is fast.
Other not described contents of the invention belong to prior art.
Above example makes to illustrate technical scheme, and the purpose is to be to enable those skilled in the art
Understand present disclosure and be practiced, but do not limited the scope of the invention with this.Every reality according to the present invention
The equivalent change or modification that matter content is made, it should all cover within the scope of the present invention.
Claims (10)
1. a kind of embedded scissors fork elevating seat for bus, the seat is arranged on the Lower Hold below the floor of bus
In, the seat includes seat and is hinged on the backrest of the side of seat one, it is characterised in that：The bottom plate of Lower Hold bottom is provided with least
One scissor-type lifting mechanism being hinged on below seat, scissor-type lifting mechanism are driven by the drive mechanism being arranged on bottom plate
It drives seat lifting, and the breach that abutment chair passes through is offered on the path that the floor of bus lifts along seat.
A kind of 2. embedded scissors fork elevating seat for bus according to claim 1, it is characterised in that：In Lower Hold
It is additionally provided with two groups and is symmetrical arranged and is used for the envelope sealed in the fully extended Lower Hold of seat or after being retracted in Lower Hold to breach
Attach together and put, two groups of sealing devices are located at the both sides that scissor-type lifting mechanism is oppositely arranged.
A kind of 3. embedded scissors fork elevating seat for bus according to claim 2, it is characterised in that：Every group of envelope
Attach together to put and include shrouding, cam mechanism and pinion and rack, cam mechanism includes driven member, motor and driven by motor
Dynamic cam, driven member are contacted with the outline of cam, and vertical reciprocating linear fortune is done in the presence of the cam of motor driven
It is dynamic, horizontally disposed connecting plate is fixedly connected with driven member, bottom plate is provided with the guide pillar being vertically arranged, and the side of connecting plate is set
There is the guide pin bushing for being slidably matched and being set on guide pillar；Pinion and rack includes gear, rack and for drive gear rotation
Motor, the motor rotated for drive gear are fixed on connecting plate, and gear is engaged with the rack that level is located above gear and set
To put, described shrouding is fixed on rack, during the state for the lowest order that vertical linear reciprocating motion path is in driven member, tooth
Taking turns rackwork drives shrouding to be moved to close to the direction of breach, the outer rim of shrouding and the edge of breach to it is corresponding when gear teeth
Bar mechanism is stopped, and driven member moves to highest order in the presence of cam, makes the upper surface of shrouding and the upper surface on floor
Flush.
A kind of 4. embedded scissors fork elevating seat for bus according to claim 3, it is characterised in that：Every group of envelope
Attach together in putting, the outer rim of shrouding is provided with electromagnet, and the edge of breach is provided with the electromagnet being correspondingly arranged with the electromagnet on shrouding；
The upper surface of shrouding is provided with warning lamp；Described bottom plate is provided with pedestal, and the motor in cam mechanism is arranged on pedestal；Every group
In sealing device, the side being oppositely arranged on shrouding with electromagnet thereon is provided with convex shoulder, and scissor-type lifting mechanism, which is provided with, to be used
The support block being supported after breach is sealed in shrouding to the convex shoulder of shrouding, and be oppositely arranged on shrouding with electromagnet thereon
Side on be provided with along the lift path of scissor-type lifting mechanism for the groove that passes through along scissor-type lifting mechanism.
A kind of 5. embedded scissors fork elevating seat for bus according to claim 1, it is characterised in that：Described
Scissor-type lifting mechanism is two groups, and two groups of scissor-type lifting mechanisms are symmetrically arranged at two sides being disposed adjacent on seat with backrest
Side, and two sides of seat are oppositely arranged；Scissor-type lifting mechanism includes the basic scissor unit that multiple levels are split,
Basic scissor unit is made up of two scissor arms intersected with each other, and two scissor arms in each basic scissor unit are in infall
Connected using articulated manner, the lower end of two scissor arms in the basic scissor unit in upper strata respectively with cutting substantially positioned at lower floor
It is corresponding be hinged to pitch the upper end of two scissor arms in unit, the setting of scissor arm lengths, makes scissor-type lifting mechanism and seat complete
After full folding, the lateral surface of backrest and the upper surface on floor are generally aligned in the same plane.
A kind of 6. embedded scissors fork elevating seat for bus according to claim 5, it is characterised in that：On bottom plate
Provided with two bar shaped slideways be arrangeding in parallel, sliding block is mounted in two bar shaped slideways, passes through company between two sliding blocks
Extension bar is connected, and drive mechanism is provided on the bottom plate between two bar shaped slideways, and drive mechanism includes leading screw, is set in leading screw
On the motor that rotates of nut and control leading screw, nut is fixed on the middle part of connecting rod；
The lower surface of seat is provided with two bar shaped chutes be arrangeding in parallel, and top shoe is mounted in two bar shaped chutes, wherein,
Upright projection of the bar shaped chute on bottom plate be arranged in parallel with bar shaped slideway；In two groups of scissor-type lifting mechanisms, positioned at the bottom
Basic scissor unit in the lower ends of one of scissor arms be articulated with bottom plate, and the scissor arms are positioned at the basic of top
Upper end in scissor unit is articulated with top shoe；Another scissor arms in the basic scissor unit of the same bottom
Lower end be articulated with sliding block, and upper end of the scissor arms in the basic scissor unit positioned at top is articulated with seat following table
Face, make drive mechanism as the power source for actuating scissor-type lifting mechanism and being lifted.
A kind of 7. embedded scissors fork elevating seat for bus according to claim 1, it is characterised in that：Described
It is connected with each other between seat and backrest by least one fold mechanism, fold mechanism includes movable block, motor and by motor
The driving lever of driving, movable block is interior to be provided with the raceway for penetrating its two opposite side surfaces, and being provided with raceway can be in its internal slide
Roller, and it is provided with two stopping means positioned to roller position in movable block；Wherein, the upper surface of seat is provided with pin
Axle, the drive shaft of the motor in one end and fold mechanism of driving lever is direct-connected, and the other end of driving lever is fixedly connected with roller；Move
One end of motion block is hinged with bearing pin, and the other end of movable block is fixedly connected with backrest by connecting pole, and motor passes through driving lever
Drive roller to be slided in raceway, and then drive backrest to seat folding or remote.
A kind of 8. embedded scissors fork elevating seat for bus according to claim 7, it is characterised in that：Described
It is connected with each other between seat and backrest by two fold mechanisms, two fold mechanisms are placed in two sides that seat is oppositely arranged
Side；Described stopping means includes spring and arc block, and two ducts are provided with inside movable block, and the one end in duct penetrates raceway,
One end of spring is fixed on the bottom in duct, and the other end of spring is fixedly connected with arc block, when spring is in primitive nature length
When spending, arc block can extend into raceway and the roller of contact be carried out spacing, and the surface of arc block and roller contact is and rolling
The adaptable cambered surface of sub- outer peripheral face shape.
A kind of 9. embedded scissors fork elevating seat for bus according to claim 1 or 7, it is characterised in that：Lean on
Back is provided with projection close to the medial surface of seat, and projection makes the backrest after folding completely be arranged in parallel with seat.
A kind of 10. embedded scissors fork elevating seat for bus according to claim 1, it is characterised in that：Backrest
The upper lateral surface away from seat is provided with warning lamp and weight sensor, and sound output module and luminous member are provided with warning lamp
Part；The seat also includes control device, and control device is by A/D converter, memory, the processing being connected with the driver of each motor
The working condition of device and control processor controlling switch composition, processor respectively with A/D converter, controlling switch and storage
Device is connected, control device, weight sensor and warning lamp electrical connection and the circuit board being arranged in backrest, the circuit board connection
There is battery；Described warning lamp is connected with processor, and described weight sensor is connected with A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206388.0A CN107826007B (en) | 2017-11-27 | 2017-11-27 | A kind of embedded scissors fork elevating seat for bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206388.0A CN107826007B (en) | 2017-11-27 | 2017-11-27 | A kind of embedded scissors fork elevating seat for bus |
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| Publication Number | Publication Date |
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| CN107826007A true CN107826007A (en) | 2018-03-23 |
| CN107826007B CN107826007B (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711206388.0A Expired - Fee Related CN107826007B (en) | 2017-11-27 | 2017-11-27 | A kind of embedded scissors fork elevating seat for bus |
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| CN109394143A (en) * | 2018-12-14 | 2019-03-01 | 佛山市顺德区美的洗涤电器制造有限公司 | Lifting device and household electrical appliance |
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| CN113135130A (en) * | 2021-04-30 | 2021-07-20 | 安徽汉唐休闲用品有限公司 | Hidden screw nut lifting high-bearing folding chair |
| CN114228805A (en) * | 2021-12-27 | 2022-03-25 | 石家庄市东昌机械制造有限公司 | Unmanned aerial vehicle operation car |
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| CN107826007B (en) | 2019-10-18 |
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