CN213921014U - Rail vehicle seat lift handrail - Google Patents
Rail vehicle seat lift handrail Download PDFInfo
- Publication number
- CN213921014U CN213921014U CN202022238726.2U CN202022238726U CN213921014U CN 213921014 U CN213921014 U CN 213921014U CN 202022238726 U CN202022238726 U CN 202022238726U CN 213921014 U CN213921014 U CN 213921014U
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- fixed plate
- guard shield
- seat
- vehicle seat
- lead screw
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- 230000003028 elevating effect Effects 0.000 claims abstract 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 14
- 230000001960 triggered effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of rail vehicle seat handrail, a rail vehicle seat lifting handrail is disclosed, including fixed plate, armrest platform, guard shield and elevating system, rubber bulge is installed to armrest platform top, install the slide rail on the guard shield, guard shield top and armrest platform are fixed together, the guard shield is installed at the fixed plate inboard, slider and lead screw are symmetrically installed on the fixed plate, elevating system is installed to the fixed plate below, elevating system includes motor, flexible axle, reduction gear, the flexible axle is connected at the motor both ends, the flexible axle other end all is connected with the reduction gear of taking the lead screw nut, reduction gear and motor are fixed on the connecting plate of guard shield; the angle sensor is arranged on a table board rotating shaft on the left side of the seat; when the seat is fully lying, the utility model provides a wider and comfortable space for passengers; when the seat is half-lying and sitting, the armrest platform is in a middle state, so that the requirement of supporting the arms of passengers is met; the folding small table can be more stable and can bear heavier objects in the process of rotating by 90-180 degrees.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle seat handrail, especially, relate to a rail vehicle seat lift handrail.
Background
The existing commercial district seat can adjust the posture of the seat, but the positions of the armrests are fixed, the fixed armrests have single functions, except general functions of supporting arms, the fixed armrests have no more additional functions, such as supporting a small table, and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model provides a rail vehicle seat lifting handrail, which comprises a fixing plate, a handrail table, a protective cover, an angle sensor and a lifting mechanism, the handrail table is arranged on the right side of the seat, a rubber bulge is arranged above the handrail table, a slide rail is arranged on the protective cover, the upper part of the protective cover is fixed with the handrail table, the protective cover is arranged on the inner side of the fixing plate, a slide block and a lead screw are symmetrically arranged on the fixing plate, the slide block on the fixing plate is matched with the slide rail on the protective cover, the lifting mechanism is arranged below the fixing plate, the lifting mechanism comprises a motor, a flexible shaft and a speed reducer, the two ends of the motor are connected with the flexible shaft, the other end of the flexible shaft is connected with the speed reducer with a lead screw nut, the lead screw nut and the lead screw form a lead screw nut mechanism, and the speed reducer and the motor are fixed on a connecting plate of the protective cover; the angle sensor is arranged on a table board rotating shaft on the left side of the seat.
The fixed plate is provided with a limit switch, the limit switch comprises an upper limit proximity switch, a middle limit proximity switch and a lower limit proximity switch, and the upper limit proximity switch, the middle limit proximity switch and the lower limit proximity switch are sequentially arranged on the upper part, the middle part and the lower part of the fixed plate.
The motor drives the screw nut to move on the screw rod to drive the protective cover and the armrest platform to lift up and down, and the state of the chair lying, the state of the chair half lying and the state of the sitting posture and the state of the folding table rotating to 180 degrees are set through the limit switch; the lifting of the armrest platform is set to be three-gear height: the seat is in a prone position, a semi-lying state and a sitting position state, the lower limit approaching switch of the armrest platform is triggered at the lowest position when the seat is in the prone position, the armrest platform is in the middle state when the seat is in the semi-lying state and the sitting position, the angle sensor is triggered when the folding small table rotates to exceed 90 degrees, the armrest platform starts to rise, and the armrest platform rises to the highest position when the upper limit approaching switch of the armrest platform is triggered.
Has the advantages that:
the motor drive of the utility model adopts flexible shaft transmission, which can eliminate the concentric error at both ends; when the seat is fully lying, the armrest platform descends to be almost flush with the seat, so that a wider and comfortable space is provided for passengers; when the seat is half-lying and sitting, the armrest platform is in a middle state, so that the requirement of supporting the arms of passengers is met; when the folding small table rotates by 90-180 degrees, the armrest platform is lifted to the highest position, and the support when the folding small table rotates to 180 degrees and is unfolded can be provided in the state, so that the folding small table is more stable and can bear heavier articles.
Drawings
FIG. 1 is a front view of the fully opened desktop structure of the present invention;
FIG. 2 is a top view of the fully opened desktop structure of the present invention;
FIG. 3 is a front view of the structure of the lower limit state of the armrest platform of the present invention;
FIG. 4 is a front view of the structure of the middle state of the armrest platform of the present invention;
FIG. 5 is a front view of the structure of the armrest platform in the limiting state;
FIG. 6 is a bottom view of the lower limit structure of the armrest platform of the present invention;
FIG. 7 is a top view of the structure of the lower limit state of the armrest platform of the present invention;
FIG. 8 is a left side view of the lower limit structure of the armrest platform of the present invention;
FIG. 9 is a schematic view of the armrest platform of the present invention in a lower limit state with the outer cover removed;
as shown in the figure: the device comprises an armrest platform 1, a small folding table 2, an angle sensor 3, a flexible shaft 4, a motor 5, a sliding rail 6, a lower limit proximity switch 7, a fixed plate 8, a screw rod 9, a speed reducer 10, an upper limit proximity switch 11 and a middle limit proximity switch 12.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A rail vehicle seat lifting armrest comprises a fixing plate 8, an armrest platform 1, a protective cover, an angle sensor 3 and a lifting mechanism, wherein the armrest platform 1 is arranged on the right side of a seat, a rubber bulge is arranged above the armrest platform 1, a slide rail 6 is arranged on the protective cover, the upper part of the protective cover is fixed with the armrest platform 1, the protective cover is arranged on the inner side of the fixing plate 8, a slide block and a lead screw 9 are symmetrically arranged on the fixing plate 8, the slide block on the fixing plate 8 is matched with the slide rail 6 on the protective cover, the lifting mechanism is arranged below the fixing plate 8 and comprises a motor 5, a flexible shaft 4 and a speed reducer 10, two ends of the motor 5 are connected with the flexible shaft 4, the other end of the flexible shaft 4 is connected with a speed reducer 10 with a lead screw nut, the lead screw nut and the lead screw 9 form a lead screw mechanism, and the speed reducer 10 and the motor 5 are fixed on a connecting plate of the protective cover; the angle sensor 3 is arranged on the rotating shaft of the table board on the left side of the seat.
And a limit switch is arranged on the fixed plate 8 and comprises an upper limit proximity switch 11, a middle limit proximity switch 12 and a lower limit proximity switch 7, and the upper limit proximity switch 11, the middle limit proximity switch 12 and the lower limit proximity switch 7 are sequentially arranged on the upper part, the middle part and the lower part of the fixed plate 8.
The motor 5 drives a screw nut to move on the screw 9, drives the protective cover and the armrest platform 1 to lift up and down, and sets a chair lying state, a chair semi-lying state and a sitting posture state and a state when the folding small table 2 rotates to 180 degrees through limit switches; the lifting of the armrest platform 1 is set to be three-gear height: the seat is in a prone position, a semi-lying position and a sitting position, the lower limit approaching switch 7 of the armrest platform is triggered at the lowest position, the armrest platform 1 is in the lowest position in the prone position of the seat, the armrests are in the middle position in the semi-lying position and the sitting position of the seat, the angle sensor 3 is triggered when the folding small table 2 rotates by more than 90 degrees, the armrest platform 1 begins to ascend, and the armrest platform 1 rises to the highest position when the upper limit approaching switch 11 of the armrest platform is triggered
When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, or when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
The terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A rail vehicle seat lift handrail which characterized in that: including fixed plate, handrail platform, guard shield, angle inductor and elevating system, install the slide rail on the guard shield, guard shield top and handrail platform are together fixed, the guard shield is installed at the fixed plate inboardly, slider and lead screw are installed to the symmetry on the fixed plate, slider on the fixed plate and the slide rail cooperation installation on the guard shield, elevating system is installed to the fixed plate below, elevating system includes motor, flexible axle, reduction gear, and the flexible axle is connected at the motor both ends, the flexible axle other end all with take the retarder connection of lead screw nut, lead screw nut mechanism is constituteed to lead screw nut and lead screw.
2. The lift armrest of a railway vehicle seat as claimed in claim 1, wherein: the speed reducer and the motor are fixed on the connecting plate of the shield.
3. The lift armrest of a railway vehicle seat as claimed in claim 1, wherein: the armrest platform is arranged on the right side of the seat, and a rubber bulge is arranged above the armrest platform.
4. The lift armrest of a railway vehicle seat as claimed in claim 1, wherein: the angle sensor is arranged on a table board rotating shaft on the left side of the seat.
5. The lift armrest of a railway vehicle seat as claimed in claim 1, wherein: the fixed plate is provided with a limit switch, the limit switch comprises an upper limit proximity switch, a middle limit proximity switch and a lower limit proximity switch, and the upper limit proximity switch, the middle limit proximity switch and the lower limit proximity switch are sequentially arranged on the upper portion, the middle portion and the lower portion of the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238726.2U CN213921014U (en) | 2020-10-10 | 2020-10-10 | Rail vehicle seat lift handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238726.2U CN213921014U (en) | 2020-10-10 | 2020-10-10 | Rail vehicle seat lift handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213921014U true CN213921014U (en) | 2021-08-10 |
Family
ID=77163682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022238726.2U Active CN213921014U (en) | 2020-10-10 | 2020-10-10 | Rail vehicle seat lift handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213921014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716486A (en) * | 2022-10-31 | 2023-02-28 | 中车长春轨道客车股份有限公司 | Lifting armrest, seat and vehicle |
-
2020
- 2020-10-10 CN CN202022238726.2U patent/CN213921014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716486A (en) * | 2022-10-31 | 2023-02-28 | 中车长春轨道客车股份有限公司 | Lifting armrest, seat and vehicle |
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