CN107933595B - Synchronous resetting unlocking structure for train seat backrest - Google Patents
Synchronous resetting unlocking structure for train seat backrest Download PDFInfo
- Publication number
- CN107933595B CN107933595B CN201711404748.8A CN201711404748A CN107933595B CN 107933595 B CN107933595 B CN 107933595B CN 201711404748 A CN201711404748 A CN 201711404748A CN 107933595 B CN107933595 B CN 107933595B
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- cable
- hole
- shaft sleeve
- fixed
- buckle
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 241001272720 Medialuna californiensis Species 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B61D33/0014—Seat frames
- B61D33/0021—Seat frames for adjustable or reclining seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D33/00—Seats
- B61D33/0007—Details; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to a synchronous reset unlocking structure for train seat backs, wherein each backrest is provided with a backrest bracket, a gas spring is connected to the backrest bracket, a reset unlocking piece is arranged on the inner side of a side handrail, and the reset unlocking pieces are respectively connected with each gas spring through a inhaul cable; the reset unlocking piece comprises a shaft sleeve and a buckle hand matched with the shaft sleeve, and the buckle hand can rotate around the shaft sleeve. When the backrest is used, each backrest is provided with the gas spring for enabling the backrest to turn and reset, the gas spring is connected with a reset unlocking piece through the inhaul cable, and a row of connected backrests can be reset simultaneously only by pulling the buckling hands, so that the backrest is simple, convenient and easy to operate for crews, efficient and quick, and time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of train seats, in particular to a synchronous reset unlocking structure for a train seat backrest.
Background
At present, the high-speed railway seat has the function that the backrest can be inclined backwards by a certain angle, different backrest angles can be adjusted according to the requirements of different passengers on comfort level, and the rotating angle of the backrest is controlled by a gas spring. When the train arrives at the terminal, passengers get off the train completely, the carriage needs to be cleaned, the seats need to be adjusted, each backrest needs to be reset to the original position, and the angle adjustment of one backrest is controlled by one gas spring, so that a mechanism is needed to finish the simultaneous resetting of a plurality of backrests. At present, the seat back is reset simultaneously by stepping on the side pedal to drive the guy cable to unlock the air spring so as to realize the rotary reset of the seat back, and the reset mode can be realized only by stepping on a single seat by one person, which is labor-consuming.
Meanwhile, in the prior art, the reset structure is complex, the installation is not easy, the reset structure is easy to damage in the use process, and meanwhile, the maintenance and maintenance cost is high, so that the reset structure is not beneficial to use and popularization.
Disclosure of Invention
The invention aims to provide an improved synchronous resetting unlocking structure for a train seat backrest, which is characterized in that a buckle capable of rotating around a shaft sleeve is arranged, and a guy cable drives a gas spring by pulling the buckle, so that the synchronous resetting of an arranged car seat is realized, and the synchronous resetting structure is trouble-saving, labor-saving, rapid and efficient.
In order to achieve the above object, the technical scheme of the present invention is as follows: a synchronous unblock structure that resets for train seat back, unblock structure link to each other with a set of train seat back, wherein train seat back one side of outermost is equipped with side rail, its characterized in that: each backrest is provided with a backrest bracket, the backrest bracket is connected with a gas spring, the inner side of each side handrail is provided with a reset unlocking piece, and the reset unlocking pieces are respectively connected with each gas spring through a inhaul cable; the reset unlocking piece comprises a shaft sleeve and a buckle hand matched with the shaft sleeve, and the buckle hand can rotate around the shaft sleeve.
Preferably, the inner side of the side handrail is provided with a guy cable fixing plate, one end of the guy cable is fixed on the inner side of the side handrail by the guy cable fixing plate, the guy cable fixing plate is provided with a rotating space, one end of the buckle is arranged in the rotating space, and the buckle rotates to form traction force for the guy cable.
Further, the inner side of the side handrail is provided with a mounting hole, and the shaft sleeve is sleeved with the buckle and the gasket and then is mounted in the mounting hole.
Further, be equipped with the cable fixed orifices on the cable fixed plate, the inboard fixed connection of this fixed orifices rear side handrail is passed to cable one end, be equipped with a half moon recess on the cable fixed plate, the cable pass this half moon recess.
Further, the handle one end be the stiff end, the stiff end be equipped with the swivel hole, swivel hole and axle sleeve cooperate, the other end of handle is the swivel end, link to each other through a crossbeam between stiff end and the swivel end, the swivel end can rotate around the stiff end, the swivel end includes a spanner piece, is equipped with the chamfer around the spanner piece.
Further, the shaft sleeve is provided with a screw hole, the shaft sleeve is sleeved in the rotating hole, the shaft sleeve is fixed with the side handrail through a gasket and a screw arranged in the screw hole, the cross beam is provided with a rotating hole matched with the shaft sleeve, and the fixed end and the cross beam are rotatably connected through the shaft sleeve.
Further, the fixed end is of a waist-shaped structure, one end of the fixed end is provided with a circular groove, the rotary hole is arranged in the circular groove, the other end of the fixed end is provided with a traction hole penetrating through the fixed end, the traction hole is a semicircular open hole, one side edge of the hole is communicated with the outer surface of the fixed end, and a steel cable is arranged on the guy cable; one end of the steel cable is fixedly connected with the inhaul cable, and the other end of the steel cable passes through the traction hole and then is connected with the buckle.
Furthermore, one side of the cross beam is provided with a concave steel rope groove, the outer surface of the shaft sleeve is provided with a steel rope wheel groove, and the steel rope is wound on the steel rope wheel groove after passing through the traction hole and then fixedly connected with the buckle after passing through the steel rope groove.
Compared with the prior art, the technical scheme of the invention comprises a plurality of improvements in detail besides the improvement of the whole technical scheme, and particularly has the following beneficial effects:
1. according to the improved scheme, each backrest is provided with the gas spring for enabling the backrest to turn and reset, the gas spring is connected with the reset unlocking piece through the inhaul cable, and one row of connected backrests can be reset at the same time by pulling the buckling hands, so that the operation is simple, convenient and easy for a crewmember, and meanwhile, the operation is efficient and quick, and time and labor are saved;
2. According to the technical scheme, the buckle is arranged on the inner side of the side handrail through the shaft sleeve, the buckle can rotate around the shaft sleeve, and a traction force is generated on the inhaul cable in the process of rotating the buckle, so that the reset function is realized, the device is efficient and practical, the mounting position of the buckle is hidden, the buckle is not easy to be misoperation by passengers, and meanwhile, the device is convenient for crewmember to operate and use;
3. The handle has ingenious structure, is formed by combining the fixed part and the rotating part, can pull the inhaul cable only by pulling easily, saves labor and can quickly achieve the function of resetting the backrest;
4. The invention has simple structure, the whole device is small, the installation position of the gas spring can not influence the size of the backrest, the installation and the daily maintenance are convenient, and the service life of the product is longer.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the discrete connection of the side rail and the clasp of the present invention.
FIG. 3 is a schematic view of the dispersion structure of the clasp of the present invention.
Fig. 4 is a schematic view of another alternative structure of the clasp of the present invention.
Reference numerals:
1 side handrail, 2 first back, 3 second back, 4 third back, 5 cable, 6 first gas spring, 7 second gas spring, 8 third gas spring, 9 cable fixed plate, 10 gasket, 11 knot hand, 12 axle sleeve.
111 Rotation holes, 112 circle center grooves, 113 traction holes and 114 steel cable grooves;
121 screw holes and 122 steel rope wheel grooves.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a synchronous reset unlocking structure for a train seat backrest, particularly referring to fig. 1, the unlocking structure is connected with a group of train seat backrests, wherein one side of the outermost train seat backrest is provided with a side handrail, and the side handrail is different from the prior art in that: each backrest is provided with a backrest bracket, a gas spring is connected to the backrest bracket, the gas spring is hidden at one side of the backrest bracket, the rotation of the backrest is not affected, the packing size of the backrest is not increased, meanwhile, the installation and the maintenance are convenient, the inner side of each side handrail is provided with a reset unlocking piece, and the reset unlocking pieces are respectively connected with each gas spring through a guy cable; the reset unlocking piece comprises a shaft sleeve and a buckle hand matched with the shaft sleeve, and the buckle hand can rotate around the shaft sleeve.
Specifically, when the high-speed railway seat back is inclined by a certain angle, a crewmember pulls the synchronous buckle upwards by fingers or palms, a row of connected 3 backrests can be reset simultaneously, and the button operating force value is smaller than 25N, so that the high-speed railway seat back fully accords with ergonomics.
In one embodiment, the inner side of the side handrail is provided with a cable fixing plate, one end of the cable is fixed on the inner side of the side handrail by the cable fixing plate, the cable fixing plate is provided with a rotating space, one end of the buckle hand is arranged in the rotating space, the buckle hand can rotate along the shaft sleeve, and the cable is fixed in the cable fixing plate, so that the buckle hand can form effective traction on the cable when rotating, and the cable pulls three gas springs simultaneously.
Specifically, the inner side of the side handrail is provided with a mounting hole, and the shaft sleeve is sleeved with the buckle and the gasket and then is mounted in the mounting hole. The whole buckle is arranged in the side handrail, does not occupy space, and is convenient to install and overhaul. Be equipped with the cable fixed orifices on the cable fixed plate, the inboard fixed connection of this fixed orifices rear side handrail is passed to cable one end, be equipped with a half moon shape recess on the cable fixed plate, the cable pass this half moon shape recess, be equipped with a set of cable fixed stop on the cable, be equipped with between the cable fixed stop that a set of corresponds the setting with cable fixed plate thick matched with clearance, two cable fixed stop sets up in the both sides of half moon shape recess, play the fixed effect relatively to the cable.
The semilunar groove enables the arrangement track of the inhaul cable to be relatively fixed, and effective guarantee is provided for the subsequent rotation of the buckling hand to drive the inhaul cable. The handle is installed in the inboard of side handrail through a axle sleeve, and the handle can rotate round the axle sleeve, can produce a traction force to the cable at handle rotation in-process to realize reset function, can be so high-efficient practicality, handle mounted position is also more hidden, is difficult for by passenger maloperation, also makes things convenient for the crew to operate the use simultaneously.
In another embodiment, referring specifically to fig. 2, one end of the buckle is a fixed end, the fixed end is provided with a rotary hole, the rotary hole is matched with the shaft sleeve, the other end of the buckle is a rotary end, the fixed end is connected with the rotary end through a cross beam, the rotary end can rotate around the fixed end, the rotary end comprises a pulling block, the periphery of the pulling block is provided with a chamfer, the front end of the side handrail is provided with a through hole, the cross beam penetrates through the through hole to enable the pulling block to be exposed out of the side handrail, and the part is hidden in the middle position of the C-shaped arc handrail of the side handrail, so that the buckle is not easy to touch by passengers, and meanwhile, the operation of a crew is very easy, so that the service life of the whole buckle and the operation effectiveness are ensured.
Specifically, the shaft sleeve 12 is connected with the side handrail 1 through screws in sequence, the buckling hand 11 can rotate around the shaft sleeve 12, the guy cable 5 is clamped with the guy cable fixing plate 9, one end of the guy cable 5 is fixed with the buckling hand 11, the other 3 ends of the guy cable 5 are respectively connected with the first gas spring 6, the second gas spring 7 and the third gas spring 8, when the guy cable 5 moves, the movement of the heads of the first gas spring 6, the second gas spring 7 and the third gas spring 8 can be driven, the movement of the heads of the gas springs strike the gas spring ejector pins, the gas spring cylinders are loosened, the first gas spring 6, the second gas spring 7 and the third gas spring 8 return to the original state by self pressure, and the first gas spring 6, the second gas spring 7 and the third gas spring 8 are respectively connected with the first backrest 2, the second backrest 3 and the third backrest 4, and the movement of the first gas spring 6, the second gas spring 7 and the third gas spring 8 drive the first backrest 2, the second backrest 3 and the third backrest 4 to return to the original positions.
In one embodiment, the shaft sleeve is provided with a screw hole, the shaft sleeve is sleeved in the rotating hole, the shaft sleeve is fixed with the side handrail through a gasket and a screw arranged in the screw hole, the cross beam is provided with a rotating hole matched with the shaft sleeve, and the fixed end and the cross beam form rotatable connection through the shaft sleeve. The fixed end is of a waist-shaped structure, one end of the fixed end is provided with a circular groove, the rotary hole is arranged in the circular groove, the other end of the fixed end is provided with a traction hole penetrating through the fixed end, the traction hole is a semicircular open hole, one side edge of the hole is communicated with the outer surface of the fixed end, and a steel cable is arranged on the guy cable; one end of the steel cable is fixedly connected with the inhaul cable, and the other end of the steel cable passes through the traction hole and then is connected with the buckle.
One side of the beam is provided with a concave steel rope groove, the shaft sleeve is formed by connecting a cylinder and a disc, the cylinder and the disc are respectively provided with a corresponding screw hole, the diameter of the disc is larger than that of the cylinder, the size of the disc is just matched with that of the circular groove, a gap exists between the disc and the side wall of the circular groove, the gap is used for placing a steel rope, the outer surface of the disc is provided with a steel rope wheel groove, the steel rope passes through a traction hole and then is wound on the steel rope wheel groove, the steel rope is wound on the steel rope wheel groove between the disc and the side wall of the circular groove, and then passes through the steel rope groove and is fixedly connected with a buckle, so that once the buckle is pulled, a huge rotation distance of the steel rope can be formed, and the steel rope is labor-saving and efficient.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described above. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (4)
1. A synchronous unblock structure that resets for train seat back, unblock structure link to each other with a set of train seat back, wherein train seat back one side of outermost is equipped with side rail, its characterized in that: each backrest is provided with a backrest bracket, the backrest bracket is connected with a gas spring, the inner side of each side handrail is provided with a reset unlocking piece, and the reset unlocking pieces are respectively connected with each gas spring through a inhaul cable;
The reset unlocking piece comprises a shaft sleeve and a buckle hand matched with the shaft sleeve, and the buckle hand can rotate around the shaft sleeve;
One end of the buckle is a fixed end, the fixed end is provided with a rotary hole, the rotary hole is matched with the shaft sleeve, the other end of the buckle is a rotary end, the fixed end is connected with the rotary end through a cross beam, the rotary end can rotate around the fixed end, the rotary end comprises a spanner block, and chamfer angles are arranged around the spanner block; the front end of the side handrail is provided with a through hole, the cross beam penetrates through the through hole to enable the pulling block to be exposed out of the side handrail, and the pulling block is hidden in the middle of the C-shaped arc handrail of the side handrail;
The shaft sleeve is formed by connecting a cylinder and a disc, the cylinder and the disc are respectively provided with a corresponding screw hole, the diameter of the disc is larger than that of the cylinder, the size of the disc is just matched with that of the circular groove, a gap is reserved between the disc and the side wall of the circular groove, and the gap is used for placing a steel cable;
The shaft sleeve is sleeved in the rotating hole, the shaft sleeve is fixed with the side handrail through a gasket and a screw arranged in the screw hole, a rotating hole matched with the shaft sleeve is formed in the cross beam, and the fixed end and the cross beam are rotatably connected through the shaft sleeve;
The fixed end is of a waist-shaped structure, one end of the fixed end is provided with a circular groove, the rotary hole is arranged in the circular groove, the other end of the fixed end is provided with a traction hole penetrating through the fixed end, the traction hole is a semicircular open hole, one side edge of the hole is communicated with the outer surface of the fixed end, and a steel cable is arranged on the guy cable;
one end of the steel cable is fixedly connected with the inhaul cable, and the other end of the steel cable passes through the traction hole and then is connected with the buckle;
one side of the cross beam is provided with a concave steel rope groove, the outer surface of the shaft sleeve is provided with a steel rope wheel groove, and the steel rope is wound on the steel rope wheel groove after passing through the traction hole and then fixedly connected with the buckle after passing through the steel rope groove.
2. The synchronous reset unlocking structure for a train seat back according to claim 1, wherein: the side handrail is equipped with a cable fixed plate in the inboard, the cable fixed plate fix the inboard at the side handrail with the one end of cable, the cable fixed plate is equipped with a rotation space, the one end of buckle hand sets up in the rotation space, the buckle hand rotates and forms the traction force to the cable.
3. The synchronous reset unlocking structure for a train seat back according to claim 1, wherein: the inner side of the side handrail is provided with a mounting hole, and the shaft sleeve is sleeved with a buckle and a gasket and then is mounted in the mounting hole.
4. The synchronous reset unlocking structure for a train seat back according to claim 1, wherein: be equipped with the cable fixed orifices on the cable fixed plate, cable one end pass behind this fixed orifices with the inboard fixed connection of side handrail, be equipped with a half moon shape recess on the cable fixed plate, the cable pass this half moon shape recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404748.8A CN107933595B (en) | 2017-12-22 | 2017-12-22 | Synchronous resetting unlocking structure for train seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404748.8A CN107933595B (en) | 2017-12-22 | 2017-12-22 | Synchronous resetting unlocking structure for train seat backrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107933595A CN107933595A (en) | 2018-04-20 |
| CN107933595B true CN107933595B (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404748.8A Active CN107933595B (en) | 2017-12-22 | 2017-12-22 | Synchronous resetting unlocking structure for train seat backrest |
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| CN (1) | CN107933595B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030031594A (en) * | 2001-10-15 | 2003-04-23 | 대부기공주식회사 | Reclining device of seat for vehicle |
| CN104411538A (en) * | 2012-07-31 | 2015-03-11 | 约翰逊控股公司 | Adjustable vehicle seat |
| CN106585652A (en) * | 2016-12-30 | 2017-04-26 | 上海坦达轨道车辆座椅系统（长春）有限公司 | Buckle unlocking device |
| CN207773136U (en) * | 2017-12-22 | 2018-08-28 | 上海坦达轨道车辆座椅系统有限公司 | A kind of synchronous reset unlocking structure for train seat backrest |
-
2017
- 2017-12-22 CN CN201711404748.8A patent/CN107933595B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030031594A (en) * | 2001-10-15 | 2003-04-23 | 대부기공주식회사 | Reclining device of seat for vehicle |
| CN104411538A (en) * | 2012-07-31 | 2015-03-11 | 约翰逊控股公司 | Adjustable vehicle seat |
| CN106585652A (en) * | 2016-12-30 | 2017-04-26 | 上海坦达轨道车辆座椅系统（长春）有限公司 | Buckle unlocking device |
| CN207773136U (en) * | 2017-12-22 | 2018-08-28 | 上海坦达轨道车辆座椅系统有限公司 | A kind of synchronous reset unlocking structure for train seat backrest |
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| Publication number | Publication date |
|---|---|
| CN107933595A (en) | 2018-04-20 |
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