CN108974032A - A kind of seat and compartment - Google Patents
A kind of seat and compartment Download PDFInfo
- Publication number
- CN108974032A CN108974032A CN201710406060.7A CN201710406060A CN108974032A CN 108974032 A CN108974032 A CN 108974032A CN 201710406060 A CN201710406060 A CN 201710406060A CN 108974032 A CN108974032 A CN 108974032A
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- rear end
- pivoted
- seat
- hole
- rod
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- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000005452 bending Methods 0.000 claims description 30
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 230000000116 mitigating effect Effects 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims 2
- 210000002414 leg Anatomy 0.000 abstract description 40
- 210000000689 upper leg Anatomy 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
- B61D33/005—Head, arm or footrests
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to rail vehicle fields, provide a kind of seat, and the seat includes handrail and under(-)chassis；The thigh support device that the seat is equipped with；The thigh support device includes control unit, driving portion, executing agency and leg support portion, the front end of the control unit is arranged on the handrail, the rear end of the control unit is arranged on the under(-)chassis, the rear end of the control unit is connect with the front end of the driving portion, the rear end of the driving portion is connect with the front end of the executing agency, and the rear end of the executing agency is arranged in the leg support portion.A kind of seat and compartment are also provided.Due to increasing thigh support device on the seat, start the driving force of driving portion by control unit, the movement of driving executing agency reduces pressure so that leg support portion be made to stop the forced area increased when passenger takes in place；It solves using hanging sense when riding, increases leg comfort and waist comfort, alleviate feeling of fatigue when travelling.
Description
Technical Field
The invention relates to the field of railway vehicles, in particular to a seat and a train carriage.
Background
The seat is the position that influences the travelling comfort of passenger to rail vehicle such as EMUs most, and humanized seat design will greatly alleviate passenger's long-distance travel's fatigue.
At present, three seats arranged on a motor train unit are respectively a business seat, a first-class seat and a second-class seat, and the three seats represent different fare values due to different using spaces of passengers and the number of functions of the seats. The business seat has high comfort, but the ticket price is expensive, so that the seat-in rate is low, the space of the second seat is small, the comfort is poor, the long-distance travel can cause the physical fatigue of passengers, and the first seat has both comfort and price and has been accepted by more and more passengers.
Chinese patent CN202827601U discloses a single motor car seat with backrest adjustment and foot support functions, which can be used by passengers to adjust the tilting angle of the backrest according to their needs, and simultaneously can place both feet on the pedals installed behind the front seat. The disadvantages of such seats are mainly represented by poor leg comfort for the passengers during use: a. when a passenger uses the pedal, the lower leg of the passenger is suspended, and the foot of the passenger needs to step on the pedal with slight force, so that the situation that the foot of the passenger slides off the pedal and the lower limb of the passenger cannot be completely relaxed, and the riding comfort is influenced is avoided; b. when a passenger sits on the seat and does not use the pedals, the weight is mainly borne by the buttocks and the back, the waist is suspended, the blood supply of the lower limbs is insufficient, and the body fatigue of the passenger can be caused by keeping the posture for a long time.
Therefore, further improvement of comfort of a seat, such as a first class seat, with limited space and acceptable cost is a challenge.
Disclosure of Invention
In order to solve the problem of improving the seating comfort of a seat in a limited space and at an acceptable cost, the invention provides a seat and a vehicle compartment. The technical scheme is realized as follows:
in one aspect of the invention, a chair is disclosed, the chair comprising an armrest and a bottom frame, the chair having a leg support; the leg supporting device comprises a control part, a driving part, an actuating mechanism and a leg support part;
the front end of the control part is arranged on the handrail, the rear end of the control part is arranged on the bottom frame, the rear end of the control part is connected with the front end of the driving part, the rear end of the driving part is connected with the front end of the actuating mechanism, and the leg support part is arranged at the rear end of the actuating mechanism;
the control part is used for starting the driving force of the driving part, and the driving part drives the actuating mechanism to move;
wherein,
the control section includes: adjusting a handle, a pull wire and a release switch; the adjusting handle is arranged on the handrail, the release switch is arranged on the bottom frame, the front end of the pull wire is connected with the adjusting handle, the rear end of the pull wire is connected with the release switch, and the release switch is connected with the driving part and used for starting the driving force of the driving part;
the driving part comprises a pneumatic component, and when the release switch presses a starting switch of the pneumatic component, the driving force of the pneumatic component is started; or,
the control part is a control unit, and the driving part is a motor;
the control unit is electrically connected with the motor and used for starting the driving force of the motor, and the motor drives the actuating mechanism to do stretching or contracting motion; or,
the control part is a reversing valve, the driving part is a hydraulic oil cylinder, the reversing valve is connected with the hydraulic oil cylinder and used for starting the driving force of the hydraulic oil cylinder, and the hydraulic oil cylinder drives the executing mechanism to do stretching or contracting movement.
Preferably, the control portion further includes: a first pin and a second pin;
the adjusting handle is provided with a through hole, the first pin shaft penetrates through the through hole of the adjusting handle to fixedly connect the adjusting handle to the handrail, the second pin shaft is arranged in the handrail between the adjusting handle and the release switch, and the front end of the pull wire is connected with the rear end of the adjusting handle by bypassing the second pin shaft;
when external force is applied to the front end of the adjusting buckle, the second pin shaft is used for changing the movement direction of the pull wire.
Preferably, the control part further comprises a fixed pulley, the fixed pulley is sleeved on the second pin shaft, and the front end of the pull wire is connected with the rear end of the adjusting buckle by bypassing the fixed pulley.
Preferably, the mitigation switch includes a fixed member and a rotating member;
the fixing part comprises a fixing part, a first rotating hole and a first wire passing hole, the rotating part comprises a second rotating hole and a second wire passing hole, the fixing part is connected with the bottom frame, the first rotating hole is pivoted with the second rotating hole, the rear end of the pull wire penetrates through the first wire passing hole and the second wire passing hole or the rear end of the pull wire penetrates through the first wire passing hole and the second wire passing hole and then returns to the first wire passing hole and then returns to the second wire passing hole.
Preferably, the pneumatic assembly is a gas spring, a front end surface of the gas spring comprises a starting switch, and the rotating member presses the starting switch to turn on a driving force of the gas spring.
Preferably, the gas spring comprises an outer cylinder body and a piston rod sleeved in the outer cylinder body, the end of the piston rod is fixed on the fixing piece, and the outer cylinder body is connected with the actuating mechanism;
the bottom frame comprises a mounting seat, the fixing part is a fixing hole, the fixing part is connected with the mounting seat through the fixing hole, the first wire passing hole is provided with two holes, and the stay wire passes through one hole of the first wire passing hole and then returns to be connected with the other hole of the first wire passing hole after passing through the second wire passing hole.
Preferably, the fixing part comprises a bending part and two vertical plates symmetrically arranged below the bending part;
the first wire passing hole is formed in the front end of the bending portion, the lower ends of the two vertical plates are respectively provided with the first rotating hole, the rear ends, close to the bending portion, of the two vertical plates are respectively provided with the fixing holes, the middle of the bending portion is provided with a notch, a middle groove is formed in the middle of the two vertical plates, the rotating part penetrates through the notch of the bending portion and is pivoted with the fixing part, and the front end of the piston rod is plugged into the middle groove to be fixed.
Preferably, the fixing part comprises a bending part and two vertical plates symmetrically arranged below the bending part;
the first wire passing hole is formed in the front end of the bending portion, the lower ends of the two vertical plates are respectively provided with the first rotating hole, the rear ends, close to the bending portion, of the two vertical plates are respectively provided with the fixing holes, the middle of the bending portion is provided with a notch, a middle groove is formed in the middle of the two vertical plates, the rotating part penetrates through the notch of the bending portion to be pivoted with the fixing part, and a front end of the driving portion is plugged into the middle groove to be fixed.
Preferably, the actuating mechanism comprises at least one link mechanism, the front end of the link mechanism is connected with the driving part, and the leg support part is arranged at the rear end of the link mechanism.
Preferably, the link mechanism includes a push rod, a first driven lever, a second driven lever, a first link, and a second link;
the rear end of the push rod is fixedly connected with the middle part of the first driven rod, the front end of the first driven rod is pivoted with the front end of the first connecting rod, the rear end of the first connecting rod is pivoted with the front end of the bottom frame, the front end of the second driven rod is pivoted with the front end of the second connecting rod, the rear end of the second connecting rod is pivoted with the front end of the bottom frame, the middle part of the second connecting rod is pivoted with the middle part of the first driven rod, and the rear ends of the first driven rod and the second driven rod are respectively pivoted with the leg support part; the front end of the push rod is pivoted with the rear end of the driving part.
Preferably, the link mechanism comprises a push rod, a transverse link, a first driven rod, a second driven rod, a first link and a second link, and the number of the first driven rod, the second driven rod, the first link and the second link is two and the two are respectively symmetrically arranged on two sides of the seat;
the front end of the first driven rod on each side of the seat is pivoted with the front end of the first connecting rod, the rear end of the first connecting rod is pivoted with the front end of the bottom frame, the front end of the second driven rod is pivoted with the front end of the second connecting rod, the rear end of the second connecting rod is pivoted with the front end of the bottom frame, the middle part of the second connecting rod is pivoted with the middle part of the first driven rod, and the rear ends of the first driven rod and the second driven rod are respectively pivoted with the leg support part;
the front end of the push rod is pivoted with the rear end of the driving part, the rear end of the push rod is fixedly connected with the middle of the transverse connecting rod, and two ends of the transverse connecting rod are respectively and fixedly connected with the middle of the first driven rod which is symmetrically arranged.
In another aspect of the invention, a train carriage is provided, and the seat is mounted in the carriage.
As the leg supporting device is added on the seat, the power of the driving part is started through the control part to drive the actuating mechanism to move, so that the leg supporting part stays at a proper position, the stress area of a passenger when the passenger sits is increased, and the pressure intensity is reduced; solves the problem of suspension when pedaling, increases the comfort of legs and waist, and reduces the fatigue during traveling. Other advantages of the present invention will be further described in conjunction with the detailed description.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:
FIG. 1 is a schematic view of an exemplary seat of the present invention;
FIG. 2 is a schematic diagram of a connection of an exemplary control portion of the present invention;
FIG. 3 is a schematic view of an exemplary mitigation switch of the present invention mounted on a base frame;
FIG. 4 is a front view of an exemplary fastener of the present invention;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a top view of FIG. 4;
FIG. 7 is a schematic view of an exemplary rotary member of the present invention;
FIG. 8 is a schematic view of an exemplary gas spring of the present invention;
FIG. 9 is a schematic view of an exemplary linkage of the present invention in connection with a legrest;
fig. 10 is a perspective view of an exemplary linkage of the present invention coupled to a base frame.
The reference numerals have the meaning given:
100 leg support means of the seat; 200 handrails; 300 a bottom frame;
201 an operation panel; 301 mounting seats; 110 a control unit;
120 a drive section; 130 an actuator; 140 leg rest parts;
111 adjusting the handle; 112 a first pin; 113 a second pin;
114 a pull line; 115 a fixed pulley; 121 gas springs;
1211 outer cylinder body; 1212 a piston rod; 1213 start the switch;
131 push rods; 132 a transverse link; 133 a first driven lever;
134 second driven lever; 135 a first link; 136 a second link;
150 a mitigation switch; 151 fixing member; 152 a follower;
1511 fixing part; 1512 a first rotation aperture; 1513 a first wire passing hole;
1514 a bend; 1515 standing board; 1516 notch;
1517 an intermediate groove.
Detailed Description
It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present invention and should not be construed as an improper limitation of the present invention.
In the following description of the embodiments, the terms "front end" and "rear end" of the respective constituent elements are used with reference to the direction of transmission of the control force along the respective elements, and one end that is transmitted earlier is the front end and the other end is the rear end. "intermediate" refers to a location between the ends of an element and does not refer specifically to the middle of the element.
Referring to fig. 1, a schematic diagram of an exemplary seat of the present invention is shown. A seat as shown in fig. 1 is installed in a railway vehicle, and the seat includes an armrest 200 and a bottom frame 300, and a leg supporting device 100 of the seat is further provided on the seat. The leg supporting device 100 of the seat comprises a control part 110, a driving part 120, an actuating mechanism 130 and a leg rest part 140, wherein the front end of the control part 110 is arranged on the armrest 200, the rear end of the control part 110 is arranged on the bottom frame 300, the rear end of the control part 110 is connected with the front end of the driving part 120, the rear end of the driving part 120 is connected with the front end of the actuating mechanism 130, the leg rest part 140 is arranged at the rear end of the actuating mechanism 130, the control part 110 is used for starting the driving force of the driving part 120, the driving part 120 drives the actuating mechanism 130 to move, and the leg rest part 140 is not in contact with the seat cushion of the seat in the closed state and the open state.
Referring to fig. 2, a connection diagram of an exemplary control portion of the present invention is shown. The control part 110 comprises an adjusting buckle 111, a first pin shaft 112, a second pin shaft 113, a pull wire 114, a fixed pulley 115 and an relieving switch 150, wherein a through hole is formed in the adjusting buckle 111, the first pin shaft 112 penetrates through the through hole of the adjusting buckle 111 to fixedly connect the adjusting buckle 111 to an operation panel 201 of the armrest 200, the second pin shaft 113 is arranged in the armrest 200 between the adjusting buckle 111 and the relieving switch 150, the fixed pulley 115 is sleeved on the second pin shaft 113, the front end of the pull wire 114 bypasses the fixed pulley 115 of the second pin shaft 113 to be connected with the rear end of the adjusting buckle 111, and when external force is applied to the front end of the adjusting buckle 111, the second pin shaft 113 is used for changing the movement direction of the pull wire 114.
The movement of the wire 114 is smoother due to the use of the fixed pulley 115. In another embodiment, the fixed pulley 115 may be omitted and the wire 114 may pass directly around the second pin 113 without affecting the movement of the wire 114.
Preferably, the first pin 112 is in transition fit with a through hole of the adjusting buckle 111. The control panel 201 is disposed on the front end surface, the upper end surface or the outer end surface of the armrest 200, and the control panel 201 is provided with the adjusting handle 111 and a seat back adjusting member for facilitating the operation of the passenger.
Referring to FIG. 8, a schematic view of an exemplary gas spring of the present invention is shown. The drive portion 120 is a pneumatic component such as a gas spring 121; the gas spring 121 comprises an outer cylinder 1211, a piston rod 1212 sleeved in the outer cylinder 1211 and a starting switch 1213, wherein the starting switch 1213 is arranged on the front end face of the piston rod 1212.
Referring to fig. 3, a schematic view of an exemplary mitigation switch of the present invention mounted on a base frame is shown. The bottom chassis 300 includes a mount 301. The release switch 150 includes a fixed member 151 and a rotating member 152, the fixed member 151 includes a fixed portion 1511, a first rotating hole 1512 and a first wire passing hole 1513, the rotating member 152 includes a second rotating hole 1522 and a second wire passing hole 1521, the first wire passing hole 1513 is divided into 2, the fixed portion 1511 is connected to the mounting base 201 of the bottom chassis 300, the first rotating hole 1512 is pivotally connected to the second rotating hole 1522, the rear end of the pull wire 114 passes through one hole of the first wire passing hole 1513, and returns to the other hole of the first wire passing hole 1513 after passing through the second wire passing hole 1521, and is connected to the pull wire portion which does not pass through the first wire passing hole 1513, and the rotating member 152 turns on the driving force of the gas spring 120 when pressing the start switch 1213.
The release switch 150 can be generally understood as a lever mechanism, pulling the pull wire 114, and closing the lever mechanism consisting of the fixed member 151 and the rotating member 152.
The rear end of the pulling wire 114 may also be fixed in such a way that the rear end of the pulling wire 114 passes through one hole of the first wire passing hole 1513, returns to the other hole of the first wire passing hole 1513 through the second wire passing hole 1521, and is fixed with other points on the bottom frame 300; or the rear end of the pull wire 114 passes through the first wire passing hole 1513 and then is directly fixed to the second wire passing hole 1521, and the number of the first wire passing holes 1513 is designed to be 1.
The connection between the fixing portion 1511 and the mounting seat 201 can be welded, riveted, screwed or pinned. In a preferred embodiment, the fixing portion 1511 is a fixing hole, the mounting seat 201 has a circular hole corresponding to the fixing hole, and the fixing member 151 is connected to the circular hole 201 of the mounting seat by a pin through the fixing hole, so that the fixing member 151 is convenient to mount, adjust and dismount, and convenient to debug, maintain and replace.
The position where the mounting seat 201 is welded to the bottom frame 300 is not particularly limited, and may be reasonably arranged according to the arrangement of other components of the bottom frame, preferably centrally arranged.
Referring to fig. 4 to 7, fig. 4 is a front view of an exemplary fixed member of the present invention, fig. 5 is a side view of fig. 4, fig. 6 is a top view of fig. 4, and fig. 7 is a schematic view of an exemplary rotating member of the present invention. The fixing member 151 includes a bending portion 1514 and two vertical plates 1515 symmetrically disposed below the bending portion 1514, the first wire passing hole 1513 is disposed at the front end of the bending portion 1514, the lower ends of the two vertical plates 1515 are respectively disposed with a first rotating hole 1512, the rear ends of the two vertical plates 1515 close to the bending portion 1514 are respectively disposed with a fixing hole, the middle portion of the bending portion 1514 is opened with a notch 1516 (fig. 6), and a middle groove 1517 (fig. 5) is formed in the middle of the two vertical plates 1515. The rotating member 152 passes through the notch 1516 of the bending portion 1514 and is connected with the fixed member 151, the front end of the piston rod 1212 of the gas spring 121 is inserted into the middle groove 1517 and fixed, the rotating member 152 rotates towards the fixed member 151 under the pulling of the pull wire 114, and the rotating member 151 presses the actuating switch 1213 of the gas spring 121 positioned in the middle groove 1517, thereby releasing the gas spring 121.
Referring to fig. 9 to 10, fig. 9 is a schematic view illustrating a connection between an exemplary link mechanism of the present invention and a leg rest, and fig. 10 is a perspective view illustrating a connection between an exemplary link mechanism of the present invention and a base frame. The actuator 130 is a link mechanism including a push rod 131, a cross link 132, a first driven link 133, a second driven link 134, a first link 135, and a second link 136. The number of the first driven rods 133, the second driven rods 134, the first connecting rods 135 and the second connecting rods 136 is two, the first driven rods 133, the second driven rods 134, the first connecting rods 135 and the second connecting rods 136 are respectively and symmetrically arranged on two sides of the seat, the front ends of the push rods 131 are pivoted with the rear ends of the driving parts 120, the rear ends of the push rods 131 are fixedly connected with the middle parts of the transverse connecting rods 132, and two ends of the transverse connecting rods 132 are respectively and fixedly connected with the middle parts of the first driven rods 133 which are symmetrically arranged; the front end of the first driven rod 133 on each side of the seat is pivoted with the front end of the first connecting rod 135, the rear end of the first connecting rod 135 is pivoted with the front end of the bottom frame 300, the front end of the second driven rod 134 is pivoted with the front end of the second connecting rod 136, the rear end of the second connecting rod 136 is pivoted with the front end of the bottom frame 300, the middle part of the second connecting rod 136 is pivoted with the middle part of the first driven rod 133, and the rear ends of the first driven rod 133 and the second driven rod 134 are respectively pivoted with the leg support part 140.
In another embodiment, the link mechanism does not have the transverse link 132, the push rod 131, the first driven rod 133, the second driven rod 134, the first link 135 and the second link 136 of the link mechanism are all 1, the rear end of the push rod 131 is fixedly connected with the middle part of the first driven rod 133, and other connection modes of the components are unchanged with reference to the embodiment of fig. 9. Preferably, the whole set of linkage mechanisms is arranged centrally at the front end of the bottom frame. In other embodiments, the linkage mechanism may be provided in a plurality of numbers, the connection of the elements is shown in the connection relationship of the elements in the embodiment of fig. 9, and the linkage mechanism is arranged between the two sides of the seat, preferably the linkage mechanism is uniformly arranged between the two sides of the seat.
The working principle of the leg supporting device of the seat is as follows: when a passenger uses the leg rest 140, the passenger pulls the front end of the adjusting handle 111 on the control panel 201 of the armrest 200 upwards, the adjusting handle 111 takes the first pin shaft 112 as a fulcrum, the rear end of the adjusting handle 111 drives the pull wire 114 downwards, the pull wire 114 changes the movement direction through the second pin shaft 113, the rear end of the pull wire 114 moves upwards and tightens, so that the rotating member 152 connected with the pull wire 114 rotates towards the fixing member 151, and abuts against the front end face of the gas spring 121 located in the middle groove 1517 of the fixing member 151 forwards, the starting switch 1213 is pressed, the gas spring 121 is released, and the gas spring 121 pushes the link mechanism 130 to extend to unfold and support the leg rest 140. In the process of movement of the leg rest 140, the adjusting button 111 is released, that is, the start switch 1213 of the gas spring 121 is immediately released, and the leg rest 140 stops at the current position, thereby realizing stepless adjustment of the position of the leg rest. When the leg rest part 140 is not used, the front end of the adjusting buckle 111 is pulled upwards, the gas spring 121 is released, the leg rest part 140 is pressed down by external force, the leg rest part 140 can compress the gas spring 140 under the action of the external force, and the leg rest part 140 is contracted and reset to a folded state.
In another embodiment of the present invention (not shown), the control portion is a control unit, the driving portion is a motor, the control unit is electrically connected to the motor, the control unit is used for starting the driving force of the motor, and the motor drives the actuator to perform an extending or contracting motion. The working principle is as follows: the passenger operates the supporting button of the control unit, the control unit starts the motor, and the motor provides driving force for the actuating mechanism, so that the actuating mechanism does stretching motion to support the leg supporting part; the passenger operates the reset button of the control unit, the control unit starts the motor to rotate reversely, and the motor provides reset driving force for the actuating mechanism, so that the actuating mechanism contracts to reset the leg support part.
In another embodiment of the present invention (not shown), the control part is a reversing valve, the driving part is a hydraulic cylinder, two working oil ports of the reversing valve are respectively connected with a rod cavity and a rodless cavity of the hydraulic cylinder, the reversing valve is used for starting the driving force of the hydraulic cylinder, and the hydraulic cylinder drives the actuating mechanism to make extension or contraction movement. The working principle is as follows: passengers operate an extension handle of the reversing valve, and the reversing valve starts the hydraulic oil cylinder to extend to provide driving force for the actuating mechanism, so that the actuating mechanism does extension movement to support the leg support part; the passenger operates the retraction handle of the reversing valve, and the reversing valve starts the hydraulic oil cylinder to retract to provide reset driving force for the actuating mechanism, so that the actuating mechanism contracts to reset the leg support part.
According to the invention, on the premise of not increasing the occupied space of the existing seat, only one set of leg supporting device is added for a single seat, so that the legs of a passenger can be supported, the riding comfort of the passenger is greatly improved, and the fatigue of long-distance travel is relieved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A seat, the seat comprises an armrest and a bottom frame, and is characterized in that a leg supporting device is arranged on the seat;
the leg supporting device comprises a control part, a driving part, an actuating mechanism and a leg support part;
the front end of the control part is arranged on the handrail, the rear end of the control part is arranged on the bottom frame, the rear end of the control part is connected with the front end of the driving part, the rear end of the driving part is connected with the front end of the actuating mechanism, and the leg support part is arranged at the rear end of the actuating mechanism;
the control part is used for starting the driving force of the driving part, and the driving part drives the actuating mechanism to move;
wherein,
the control section includes: adjusting a handle, a pull wire and a release switch; the adjusting handle is arranged on the handrail, the release switch is arranged on the bottom frame, the front end of the pull wire is connected with the adjusting handle, the rear end of the pull wire is connected with the release switch, and the release switch is connected with the driving part and used for starting the driving force of the driving part;
the driving part comprises a pneumatic component, and when the release switch presses a starting switch of the pneumatic component, the driving force of the pneumatic component is started; or,
the control part is a reversing valve, the driving part is a hydraulic oil cylinder, the reversing valve is connected with the hydraulic oil cylinder and used for starting the driving force of the hydraulic oil cylinder, and the hydraulic oil cylinder drives the executing mechanism to do stretching or contracting movement.
2. The seat according to claim 1, wherein the control portion further comprises: a first pin and a second pin;
the adjusting handle is provided with a through hole, the first pin shaft penetrates through the through hole of the adjusting handle to fixedly connect the adjusting handle to the handrail, the second pin shaft is arranged in the handrail between the adjusting handle and the release switch, and the front end of the pull wire is connected with the rear end of the adjusting handle by bypassing the second pin shaft;
when external force is applied to the front end of the adjusting buckle, the second pin shaft is used for changing the movement direction of the pull wire.
3. The seat according to claim 2, wherein the control portion further comprises a fixed pulley, the fixed pulley is sleeved on the second pin shaft, and the front end of the pull wire is connected with the rear end of the adjusting buckle by passing through the fixed pulley.
4. The seat of claim 1, wherein the mitigation switch includes a fixed member and a rotating member;
the fixing part comprises a fixing part, a first rotating hole and a first wire passing hole, the rotating part comprises a second rotating hole and a second wire passing hole, the fixing part is connected with the bottom frame, the first rotating hole is pivoted with the second rotating hole, the rear end of the pull wire penetrates through the first wire passing hole and the second wire passing hole or the rear end of the pull wire penetrates through the first wire passing hole and the second wire passing hole and then returns to the first wire passing hole and then returns to the second wire passing hole.
5. The seat according to claim 4, wherein the pneumatic assembly is a gas spring, and a front end surface of the gas spring includes an activation switch, and a driving force of the gas spring is turned on when the rotary member presses the activation switch.
6. The seat according to claim 5, wherein the gas spring comprises an outer cylinder body and a piston rod sleeved in the outer cylinder body, the end of the piston rod is fixed on the fixing member, and the outer cylinder body is connected with the actuating mechanism;
the bottom frame comprises a mounting seat, the fixing part is a fixing hole, the fixing part is connected with the mounting seat through the fixing hole, the first wire passing hole is provided with two holes, and the stay wire passes through one hole of the first wire passing hole and then returns to be connected with the other hole of the first wire passing hole after passing through the second wire passing hole.
7. The seat according to claim 6, wherein the fixing member comprises a bending portion and two vertical plates symmetrically arranged below the bending portion;
the first wire passing hole is formed in the front end of the bending portion, the lower ends of the two vertical plates are respectively provided with the first rotating hole, the rear ends, close to the bending portion, of the two vertical plates are respectively provided with the fixing holes, the middle of the bending portion is provided with a notch, a middle groove is formed in the middle of the two vertical plates, the rotating part penetrates through the notch of the bending portion and is pivoted with the fixing part, and the front end of the piston rod is plugged into the middle groove to be fixed.
8. The seat according to claim 4, wherein the fixing member comprises a bending portion and two vertical plates symmetrically arranged below the bending portion;
the first wire passing hole is formed in the front end of the bending portion, the lower ends of the two vertical plates are respectively provided with the first rotating hole, the rear ends, close to the bending portion, of the two vertical plates are respectively provided with the fixing holes, the middle of the bending portion is provided with a notch, a middle groove is formed in the middle of the two vertical plates, the rotating part penetrates through the notch of the bending portion to be pivoted with the fixing part, and a front end of the driving portion is plugged into the middle groove to be fixed.
9. The seat according to claim 1, wherein the actuator comprises at least one linkage, a front end of the linkage being connected to the drive portion, and the legrest being disposed at a rear end of the linkage.
10. The seat according to claim 9, wherein the linkage mechanism includes a push rod, a first follower link, a second follower link, a first link, and a second link;
the rear end of the push rod is fixedly connected with the middle part of the first driven rod, the front end of the first driven rod is pivoted with the front end of the first connecting rod, the rear end of the first connecting rod is pivoted with the front end of the bottom frame, the front end of the second driven rod is pivoted with the front end of the second connecting rod, the rear end of the second connecting rod is pivoted with the front end of the bottom frame, the middle part of the second connecting rod is pivoted with the middle part of the first driven rod, and the rear ends of the first driven rod and the second driven rod are respectively pivoted with the leg support part; the front end of the push rod is pivoted with the rear end of the driving part.
11. The seat according to claim 9, wherein the linkage mechanism comprises a push rod, a cross link, a first driven rod, a second driven rod, a first link and a second link, the number of the first driven rod, the second driven rod, the first link and the second link is two, and the two first driven rods, the two second driven rods, the first link and the second link are respectively and symmetrically arranged on two sides of the seat;
the front end of the first driven rod on each side of the seat is pivoted with the front end of the first connecting rod, the rear end of the first connecting rod is pivoted with the front end of the bottom frame, the front end of the second driven rod is pivoted with the front end of the second connecting rod, the rear end of the second connecting rod is pivoted with the front end of the bottom frame, the middle part of the second connecting rod is pivoted with the middle part of the first driven rod, and the rear ends of the first driven rod and the second driven rod are respectively pivoted with the leg support part;
the front end of the push rod is pivoted with the rear end of the driving part, the rear end of the push rod is fixedly connected with the middle of the transverse connecting rod, and two ends of the transverse connecting rod are respectively and fixedly connected with the middle of the first driven rod which is symmetrically arranged.
12. A train carriage, characterized in that a seat according to any one of claims 1-11 is arranged in the carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406060.7A CN108974032B (en) | 2017-06-01 | 2017-06-01 | Seat and train carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710406060.7A CN108974032B (en) | 2017-06-01 | 2017-06-01 | Seat and train carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108974032A true CN108974032A (en) | 2018-12-11 |
| CN108974032B CN108974032B (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710406060.7A Active CN108974032B (en) | 2017-06-01 | 2017-06-01 | Seat and train carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108974032B (en) |
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| DE102007042489A1 (en) * | 2007-09-06 | 2009-03-12 | Grammer Ag | Vehicle seat for rail vehicle, has leg rest fastened to seat part, and pivoting axis fastened to sliding mechanism of seat part base frame, which is moved in longitudinal direction of vehicle seat |
| WO2012053022A1 (en) * | 2010-10-19 | 2012-04-26 | Iacobucci Hf Electronics S.P.A | Reclining chair |
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| Publication number | Publication date |
|---|---|
| CN108974032B (en) | 2020-06-23 |
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