CN212098665U - Cabin door downward turning platform - Google Patents
Cabin door downward turning platform Download PDFInfo
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- CN212098665U CN212098665U CN202020660805.XU CN202020660805U CN212098665U CN 212098665 U CN212098665 U CN 212098665U CN 202020660805 U CN202020660805 U CN 202020660805U CN 212098665 U CN212098665 U CN 212098665U
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- pull rod
- cabin door
- platform
- hinged
- door
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Abstract
The utility model discloses a cabin door downward turning platform, which comprises an upper cabin door and a lower cabin door, wherein one side of the lower cabin door is hinged with the outer side of a cabin floor; the lower overturning platform is arranged on the inner side of the lower cabin door in a closed state, the folding pull rods are respectively positioned at two ends of the lower overturning platform, and the lower overturning platform accommodating and locking mechanisms are respectively arranged at two ends of the lower cabin door and two ends of the lower overturning platform. The utility model discloses compact structure, when the platform that turns down is accomodate upright, it is inboard at the upright below hatch door of closed condition through the spacer pin locking, do not account for the valuable space in railway carriage or compartment under-deck. The carbon fiber downward-turning platform has the advantages of high strength and light weight, and the bearing capacity of the downward-turning platform is improved. When the locking device is used, the lower cabin door which is unlocked is firstly turned downwards to be in a vertical state, then the locking of the limit pin to the downward turning platform is unlocked, and the downward turning platform can be quickly turned downwards to be in a horizontal state for use, so that the locking device is quick and convenient.
Description
Technical Field
The utility model relates to a van or on-vehicle shelter (hereinafter referred to as railway carriage or compartment cabin) hatch door's auxiliary device, in particular to lower cabin door that opens railway carriage or compartment cabin door from top to bottom attach platform belongs to the attached technical field of vehicle.
Background
The compartment as a mobile storage chamber usually needs to store some articles, instruments and special tools, the space in the compartment is limited, and in order to reasonably utilize the space and facilitate the taking and placing of the articles by personnel, a layered shelf is usually specially arranged in the compartment for storing various articles. In order to conveniently take and place articles, a drawing platform is generally arranged on the side face or the rear portion of a compartment, but the drawing platform occupies precious space in the compartment, multistage drawing guide rails are required to be arranged on two sides of the compartment, and temporary supports must be added when the drawing platform is drawn for use so as to improve the support strength of the drawing platform, so that the operation is inconvenient and the manufacturing cost is high.
Disclosure of Invention
The utility model relates to an aim at providing a platform turns over under railway carriage or compartment hatch door, should turn over the platform installation under on the door turns over down, turns over down the door and just can open the use after opening down.
The utility model discloses a following technical scheme realizes:
a cabin door downward turning platform comprises an upper cabin door and a lower cabin door which are oppositely jointed at the rear end of a cabin, wherein one side of the lower cabin door is hinged with the outer end of a cabin floor through a plurality of cabin door hinges arranged at intervals; the lower overturning platform is arranged on the inner side of the lower cabin door in a closed state, the folding pull rods are respectively positioned at two ends of the lower overturning platform, and the lower overturning platform accommodating and locking mechanisms are respectively arranged at two ends of the lower cabin door and two ends of the lower overturning platform; the lower turning platform comprises a carbon fiber panel, a plurality of carbon fiber square tubes and a plurality of steel plates, wherein the inner corner pieces and the outer corner pieces are bent into inner corner pieces and outer corner pieces, the 4 carbon fiber square tubes are fixedly connected into a rectangular frame through the inner corner pieces and the outer corner pieces respectively, the plurality of carbon fiber square tubes serving as rib rods are fixedly connected into a supporting frame of a matrix structure through the inner corner pieces and the outer corner pieces in a criss-cross mode in the rectangular frame, the carbon fiber panel is fixed on the rectangular frame and the supporting frame, and one side of the rectangular frame is hinged with the upper portion of the inner side of the lower cabin door in a closed state; one end of the folding pull rod is hinged with the middle parts of the two ends of the rectangular frame respectively, and the other end of the folding pull rod is hinged with the middle parts of the two ends of the cabin door below the folding pull rod respectively. The other side of the rectangular frame is provided with a pair of handles.
The object of the invention is further achieved by the following technical measures.
Furthermore, the folding pull rod comprises an upper pull rod, a lower pull rod, an upper pull rod seat and a lower pull rod seat, one end of the upper pull rod is hinged to the upper pull rod seats which are fixed to the middle portions of the two ends of the cabin door below respectively, the other end of the upper pull rod is hinged to one end of the lower pull rod through a middle hinge pin, the other end of the lower pull rod is hinged to the lower pull rod seats through a lower hinge pin, and the lower pull rod seats are fixed to the middle portions of the carbon fiber square tubes at the two ends of the rectangular frame respectively. The other end of the lower pull rod is provided with a waist-shaped hole, and the lower hinge pin sequentially penetrates through the waist-shaped hole and the lower pull rod seat to be hinged with the lower pull rod seat.
Furthermore, the accommodating and locking mechanism comprises a limiting pin, a fixed seat and a locking hole, the fixed seat is respectively fixed at two ends of one side of the lower cabin door, one end of the limiting pin is fixed on the fixed seat, and the locking hole is positioned on one side of the rectangular frame of the downward-turning platform opposite to the end surface of the fixed seat; when the downward-turning platform is stored and locked, one end of the pin rod of the limiting pin extends into the locking hole.
The utility model discloses compact structure, when the platform that turns over down was accomodate, it is inboard at the upright below hatch door of closed condition through the spacer pin locking, does not account for the valuable space in railway carriage or compartment under-deck. The carbon fiber downward-turning platform has the advantages of high strength and light weight, and the bearing capacity of the downward-turning platform is improved. When the locking device is used, the lower cabin door which is unlocked is firstly turned downwards to be in a vertical state, then the locking of the limit pin to the downward turning platform is unlocked, and the downward turning platform can be quickly turned downwards to be in a horizontal state for use, so that the locking device is quick and convenient.
The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a state view of the tilt-down platform when stowed;
FIG. 2 is a state diagram of the flip-down platform when open for use;
FIG. 3 is a view in the direction A of FIG. 1;
fig. 4 is a view from direction B of fig. 2.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 and 2, the present embodiment includes an upper door 101 and a lower door 102 that are coupled to each other at the rear end of the car 10, and one side of the lower door 102 is hinged to the outer end of the car floor 104 through 3 door hinges 103 disposed at intervals. The downward turning platform 1 is arranged on the inner side of the lower cabin door 102 in a closed state, the folding pull rods 2 are respectively positioned at two ends of the downward turning platform 1, and the downward turning platform accommodating and locking mechanisms 3 are respectively arranged at two ends of the lower cabin door 102 and two ends of the downward turning platform 1.
As shown in fig. 3 and 4, the downward-turning platform 1 includes a carbon fiber panel 11, inner corner pieces 12 and outer corner pieces 13 formed by bending a plurality of carbon fiber square tubes and a plurality of steel plates, the 4 carbon fiber square tubes are respectively fixedly connected into a rectangular frame 14 through the inner corner pieces 13 and the outer corner pieces 14, in the rectangular frame 14, the plurality of carbon fiber square tubes as ribs are respectively and fixedly connected into a supporting frame 15 of a matrix structure through the inner corner pieces 12 and the outer corner pieces 13 in a criss-cross manner, the carbon fiber panel 11 is fixed on the rectangular frame 14 and the supporting frame 15, and two corners of one side of the rectangular frame 14 are hinged to the upper portion of the inner side of the lower cabin door 102 in a closed state through 2 downward-turning platform hinges 16. The downward-turning platform 1 made of the carbon fiber square tubes and the carbon fiber panels 11 has the advantages of being high in strength and light in weight, and bearing capacity of the downward-turning platform 1 is improved.
As shown in fig. 2, the folding pull rod 2 includes an upper pull rod 21, a lower pull rod 22, an upper pull rod seat 23 and a lower pull rod seat 24, the upper end of the upper pull rod 21 is hinged to the upper pull rod seats 23 respectively fixed to the middle portions of the two ends of the lower door 102 through an upper hinge pin 25, the lower end of the upper pull rod 21 is hinged to the upper end of the lower pull rod 22 through a middle hinge pin 26, the lower end of the lower pull rod 22 is hinged to the lower pull rod seat 24 through a lower hinge pin 27, and the lower pull rod seats 24 are respectively fixed to the middle portions of the carbon fiber square tubes at the two ends of the rectangular frame. The lower end of the lower pull rod 22 is provided with a waist-shaped hole 221, and the lower hinge pin 27 sequentially passes through the waist-shaped hole 221 and the lower pull rod seat 24 to be hinged with the lower pull rod seat 24. The waist-shaped hole 221 facilitates the lower end of the lower pull rod 22 to move towards the direction departing from the lower cabin door 102, so that when the downward-turning platform 1 turns upwards, the upper pull rod 21 and the lower pull rod 22 can be folded at two ends of the downward-turning platform 1 into a straight line in a vertical state as shown in fig. 1, the space in the cabin is not occupied, two end planes of the downward-turning platform 1 cannot be protruded, personnel can not be hindered from walking in the cabin, and the use safety of the cabin 10 is improved. The other side of the rectangular frame 14 is provided with a pair of handles 18, which are convenient for personnel to pull down or turn up and down the platform 1.
As shown in fig. 1 and 2, the storage locking mechanism 3 includes a limit pin 31, a fixing seat 32, and a locking hole 33, the fixing seat 32 is respectively fixed at two ends of one side of the lower hatch 102, one end of the limit pin 31 is fixed on the fixing seat 32, and the locking hole 33 is located on one side of the rectangular frame 14 of the downward-turning platform 1 opposite to the end surface of the fixing seat 32. When the downward-turning platform 1 is stored and locked, one end of the limiting pin rod 311 extends into the locking hole 33.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are all within the protection scope claimed in the present invention.
Claims (5)
1. A cabin door downward turning platform comprises an upper cabin door and a lower cabin door which are oppositely jointed at the rear end of a cabin, wherein one side of the lower cabin door is hinged with the outer end of a cabin floor through a plurality of cabin door hinges arranged at intervals; the folding device is characterized in that the lower overturning platform is arranged on the inner side of the lower cabin door in a closed state, the folding pull rods are respectively positioned at two ends of the lower overturning platform, and the lower overturning platform accommodating and locking mechanisms are respectively arranged at two ends of the lower cabin door and two ends of the lower overturning platform; the lower turning platform comprises a carbon fiber panel, a plurality of carbon fiber square tubes and a plurality of steel plates, wherein the inner corner pieces and the outer corner pieces are bent into inner corner pieces and outer corner pieces, the 4 carbon fiber square tubes are fixedly connected into a rectangular frame through the inner corner pieces and the outer corner pieces respectively, the plurality of carbon fiber square tubes serving as rib rods are fixedly connected into a supporting frame of a matrix structure through the inner corner pieces and the outer corner pieces in a criss-cross mode in the rectangular frame, the carbon fiber panel is fixed on the rectangular frame and the supporting frame, and one side of the rectangular frame is hinged with the upper portion of the inner side of the lower cabin door in a closed state; one end of the folding pull rod is hinged with the middle parts of the two ends of the rectangular frame respectively, and the other end of the folding pull rod is hinged with the middle parts of the two ends of the cabin door below the folding pull rod respectively.
2. The hatch door turn-down platform according to claim 1, wherein the folding pull rod comprises an upper pull rod, a lower pull rod, an upper pull rod seat and a lower pull rod seat, one end of the upper pull rod is hinged with the upper pull rod seat respectively fixed in the middle of the two ends of the lower hatch door, the other end of the upper pull rod is hinged with one end of the lower pull rod respectively through a middle hinge pin, the other end of the lower pull rod is hinged with the lower pull rod seat respectively through a lower hinge pin, and the lower pull rod seats are respectively fixed on the middle of the carbon fiber square tubes at the two ends of the rectangular frame.
3. The hatch door turn-down platform according to claim 2, characterized in that the other end of the lower pull rod is provided with a kidney-shaped hole, and the lower hinge pin is hinged with the lower pull rod seat through the kidney-shaped hole and the lower pull rod seat in sequence.
4. The hatch door fold-down platform according to claim 1, wherein the stowing and locking mechanism comprises a limit pin, a fixed seat and a locking hole, the fixed seats are respectively fixed on two ends of one side of the lower hatch door, one end of the limit pin is fixed on the fixed seat, and the locking hole is located on one side of the fold-down platform opposite to the end face of the fixed seat; when the downward-turning platform is stored and locked, one end of the pin rod of the limiting pin extends into the locking hole.
5. The hatch fold-down platform of claim 1 wherein a pair of handles are provided on the other side of the rectangular frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660805.XU CN212098665U (en) | 2020-04-27 | 2020-04-27 | Cabin door downward turning platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660805.XU CN212098665U (en) | 2020-04-27 | 2020-04-27 | Cabin door downward turning platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212098665U true CN212098665U (en) | 2020-12-08 |
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ID=73613650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020660805.XU Active CN212098665U (en) | 2020-04-27 | 2020-04-27 | Cabin door downward turning platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212098665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115636108A (en) * | 2022-12-23 | 2023-01-24 | 中国科学院沈阳自动化研究所 | Accordion type space unfolding mechanism |
-
2020
- 2020-04-27 CN CN202020660805.XU patent/CN212098665U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115636108A (en) * | 2022-12-23 | 2023-01-24 | 中国科学院沈阳自动化研究所 | Accordion type space unfolding mechanism |
| CN115636108B (en) * | 2022-12-23 | 2023-02-28 | 中国科学院沈阳自动化研究所 | Accordion type space unfolding mechanism |
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