Platform door convenient to install for rail transit
By designing a sliding door replacement mechanism in the rail transit platform door, the problem of not being able to be quickly replaced when the sliding door is damaged is solved, and the rapid disassembly and replacement of the sliding door is achieved, improving the reliability of the platform door and the safety of passenger travel.
Patent Information
- Application Number
- CN202420804523.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing rail transit platform door cannot be replaced quickly when the sliding door is damaged, resulting in a reduced safety of passengers' travel.
A platform door for rail transit including a sliding door replacement mechanism is designed, which consists of an open shell assembly and a clamping assembly, and the sliding door is quickly removed and replaced by an electric slide rail and an electric slider.
It realizes rapid replacement of sliding doors, improving the reliability of platform doors and passenger travel safety.
Smart Images

Figure CN222522640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of platform doors, in particular to a platform door for rail transportation which is easy to install. Background Art
[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks, and platform doors are doors that ensure the safety of passengers and trains, prevent passengers from falling or jumping off the tracks and causing danger, and ensure that passengers travel safely and comfortably on rail transit.
[0003] According to a platform door for rail transit disclosed on the patent website (authorization announcement number: CN 217048607 U) as described in "The utility model relates to a platform door for rail transit, comprising two fixed doors, the two fixed doors are arranged at intervals on the left and right, a side box is provided on the side where the two fixed doors are close to each other, a front door structure, a rear door structure and two driving mechanisms are provided between the two side boxes, the front door structure and the rear door structure are both located behind the side boxes; the rear door structure comprises two rear sliding doors, a gap is provided between the two rear sliding doors, and the rear sliding doors correspond to the side boxes one by one; the platform door for rail transit realizes the use of a large opening channel, reduces the volume of the door body, reduces the gravity and load of the door body, maintains the stability of the door body structure under the action of wind pressure load, meets the requirements of large opening (distance) for door opening time and kinetic energy (door opening time 3-4.5s, kinetic energy ≯1 joule), and at the same time, can also realize dust removal of the front sliding door, and realize locking of the two front sliding doors to prevent the front sliding doors from being opened artificially and causing safety accidents".
[0004] In view of the above description, the applicant believes that there are the following problems:
[0005] During use, the utility model reduces the volume of the door body by setting up a large opening channel, thereby reducing the gravity of the door body, so that the platform door can remain stable under strong wind conditions. However, in actual use, there is no structure for quickly replacing the sliding door. When the sliding door is accidentally damaged and cannot be used normally, the device cannot quickly replace it, resulting in reduced travel safety for passengers. Therefore, it is necessary to improve a platform door that is easy to install for rail transit to solve the above problems. Utility Model Content
[0006] The utility model aims to provide a platform door for rail transit that is easy to install, so as to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a platform door that is easy to install for rail transit, comprising a platform door mounting shell, a bottom plate is fixedly installed at the bottom of the platform door mounting shell, a sliding door replacement mechanism is arranged inside the platform door mounting shell, and door body mounting and fixing mechanisms are arranged on the front and back of the bottom plate.
[0008] The sliding door replacement mechanism comprises an opening shell component and a clamping component, and the clamping component is arranged inside the opening shell component.
[0009] Preferably, the shell opening component includes a positioning socket column, the positioning socket column is fixedly installed on the inner side of the back of the platform door mounting shell, a threaded groove column is slidably installed inside the positioning socket column, a sealing plate is fixedly installed on the front of the threaded groove column, a pull frame is fixedly installed on the front of the sealing plate, a partition is fixedly installed inside the platform door mounting shell, a sliding side baffle is slidably installed inside the platform door mounting shell, and a bolt is installed on the internal thread of the threaded groove column, so as to facilitate the replacement of the sliding door body by opening the platform door mounting shell through the shell opening component.
[0010] Preferably, grooves are provided at corresponding positions of the platform door mounting shell and the sliding side baffle, and the sliding side baffle is slidably installed inside the groove provided inside the platform door mounting shell, so as to facilitate replacement of the sliding door body by removing the sliding side baffle.
[0011] Preferably, the card-jointed assembly includes an electric slide rail, which is fixedly mounted on the inner side of the back of the platform door mounting shell, an electric slider is arranged inside the electric slide rail, a connecting strip is fixedly mounted on the front side of the electric slider, a card block is fixedly mounted on the front side of the connecting strip, a sliding door body is slidably mounted on the outside of the card block, a telescopic rod is fixedly mounted on the front side of the sliding door body, a paddle is fixedly mounted on the inner side of the telescopic rod, a clamping head is fixedly mounted on the inner side of the paddle, and a spring is arranged on the outside of the telescopic rod to facilitate the installation and disassembly of the sliding door body through the card-jointed assembly.
[0012] Preferably, holes are provided at corresponding positions of the card insert block and the card head, and the card head is slidably installed inside the hole provided inside the card insert block, so as to facilitate fixing of the sliding door body.
[0013] Preferably, the door body installation and fixing mechanism includes side ears, which are fixedly installed on the front and back of the base plate, and the inside of the side ears is provided with bolt 2, the outside of the bolt 2 is provided with a gasket, and the external thread of the bolt 2 is installed with a slotted internal thread column, which facilitates the installation and fixation of the platform door mounting shell through the door body installation and fixing mechanism.
[0014] Preferably, holes are provided at corresponding positions of the side ear and the second bolt, and the second bolt is slidably installed inside the hole provided inside the side ear, so as to facilitate fixation under normal conditions.
[0015] Compared with the prior art, the utility model provides a platform door for rail transit that is easy to install and has the following beneficial effects:
[0016] 1. The platform door for rail transit is easy to install. Through the sliding door replacement mechanism, when the sliding door body is damaged and needs to be replaced during use, the bolt can be removed by turning one, the pull frame can be pulled to remove the cover plate, and the paddle can be moved to make the clamping head leave the plug-in block. At this time, the sliding door body can be taken out, and after the sliding door body is aligned with the plug-in block, the paddle can be moved again for installation. The telescopic rod and the spring can be used to fix the clamping connection, and the electric slide rail and the electric slider can be used to drive the sliding door body to move, thereby realizing the function of quickly disassembling and replacing the sliding door body.
[0017] 2. The platform door for rail transit is easy to install. Through the door body installation and fixing mechanism, during use, holes are drilled in the ground, the slotted internal threaded columns are installed into the holes, and after the side ears are aligned with the slotted internal threaded columns, the bottom plate can be fixed with bolts 2 and gaskets. At this time, the platform door installation shell is fixedly installed, realizing the function of installing and fixing the platform door. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:
[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the appearance structure of the sliding door replacement mechanism of the utility model;
[0021] Figure 3 This is a schematic diagram of the appearance structure of the shell assembly of the utility model;
[0022] Figure 4 This is a schematic diagram of the rear view of the exploded appearance of the shell assembly of the utility model;
[0023] Figure 5 This is a schematic diagram of the exploded appearance structure of the clamping assembly of the utility model;
[0024] Figure 6 This is a schematic diagram of the appearance structure of the door body installation fixing mechanism of the utility model.
[0025] In the figure: 1. Platform door installation shell; 2. Sliding door replacement mechanism; 21. Shell opening assembly; 211. Positioning socket column; 212. Threaded groove column; 213. Closing plate; 214. Pull frame; 215. Partition plate; 216. Sliding side baffle; 217. Bolt one; 22. Card connection assembly; 221. Electric slide rail; 222. Electric slider; 223. Connecting strip; 224. Card block; 225. Sliding door body; 226. Telescopic rod; 227. Paddle; 228. Card head; 229. Spring; 3. Door body installation and fixing mechanism; 31. Side ear; 32. Bolt two; 33. Gasket; 34. Slotted internal thread column; 4. Bottom plate. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] Example 1: Please refer to Figure 1-5 The utility model provides a technical solution: a platform door that is easy to install for rail transit, including a platform door installation shell 1, a bottom plate 4 is fixedly installed at the bottom of the platform door installation shell 1, a sliding door replacement mechanism 2 is arranged inside the platform door installation shell 1, and a door body installation and fixing mechanism 3 is arranged on the front and back of the bottom plate 4.
[0029] The sliding door replacement mechanism 2 includes an opening shell component 21 and a clamping component 22 . The clamping component 22 is arranged inside the opening shell component 21 .
[0030] Furthermore, the shell opening component 21 includes a positioning socket column 211, which is fixedly installed on the inner back side of the platform door mounting shell 1, and a threaded groove column 212 is slidably installed inside the positioning socket column 211, a sealing plate 213 is fixedly installed on the front side of the threaded groove column 212, and a pull frame 214 is fixedly installed on the front side of the sealing plate 213, a partition plate 215 is fixedly installed inside the platform door mounting shell 1, a sliding side baffle 216 is slidably installed inside the platform door mounting shell 1, and a bolt 217 is installed on the internal thread of the threaded groove column 212, so as to facilitate the replacement of the sliding door body 225 by opening the shell opening component 21 to open the platform door mounting shell 1.
[0031] Furthermore, grooves are provided at corresponding positions of the platform door mounting shell 1 and the sliding side baffle 216 , and the sliding side baffle 216 is slidably installed inside the grooves provided inside the platform door mounting shell 1 , so that the sliding door body 225 can be replaced by removing the sliding side baffle 216 .
[0032] Furthermore, the card-jointed component 22 includes an electric slide rail 221, which is fixedly mounted on the inner side of the back of the platform door mounting shell 1, an electric slider 222 is arranged inside the electric slide rail 221, a connecting strip 223 is fixedly mounted on the front of the electric slider 222, a card-jointed block 224 is fixedly mounted on the front of the connecting strip 223, a sliding door body 225 is slidingly mounted on the outside of the card-jointed block 224, a telescopic rod 226 is fixedly mounted on the front of the sliding door body 225, a paddle 227 is fixedly mounted on the inner side of the paddle 227, a clamping head 228 is fixedly mounted on the inner side of the paddle 227, and a spring 229 is arranged on the outside of the telescopic rod 226 to facilitate the installation and removal of the sliding door body 225 through the card-jointed component 22.
[0033] Furthermore, holes are provided at corresponding positions of the card block 224 and the card head 228 , and the card head 228 is slidably installed inside the hole provided inside the card block 224 , so as to fix the sliding door body 225 .
[0034] Example 2: Please refer to Figure 6 In combination with the first embodiment, it is further obtained that the door body installation and fixing mechanism 3 includes side ears 31, and the side ears 31 are fixedly installed on the front and back of the base plate 4. A bolt 2 32 is arranged inside the side ears 31, and a gasket 33 is arranged outside the bolt 2 32. The external thread of the bolt 2 32 is installed with a slotted internal thread column 34, which is convenient for installing and fixing the platform door installation shell 1 through the door body installation and fixing mechanism 3.
[0035] Furthermore, holes are provided at corresponding positions of the side ear 31 and the second bolt 32 , and the second bolt 32 is slidably installed inside the hole provided inside the side ear 31 , so as to facilitate fixation under normal conditions.
[0036] The second bolt 32 and the washer 33 are used to fix the bottom plate 4. When the sliding door body 225 is damaged and needs to be replaced, the first bolt 217 is removed by rotating the pull frame 214 to remove the sealing plate 213, and the paddle 227 is moved to make the clamping head 228 leave the card insertion block 224. At this time, the sliding door body 225 can be taken out, and after the sliding door body 225 is aligned with the card insertion block 224, the paddle 227 can be moved again for installation. The telescopic rod 226 and the spring 229 can be used to fix the clamping connection. The sliding door body 225 can be driven to move by the electric slide rail 221 and the electric slider 222, thereby realizing the function of quickly disassembling and replacing the sliding door body 225.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A platform door for rail transit that is easy to install, comprising a platform door installation housing (1), characterized in that: A bottom plate (4) is fixedly mounted on the bottom of the platform door mounting shell (1), a sliding door replacement mechanism (2) is arranged inside the platform door mounting shell (1), and door body mounting and fixing mechanisms (3) are arranged on the front and back of the bottom plate (4); The sliding door replacement mechanism (2) comprises a shell opening component (21) and a clamping component (22); the clamping component (22) is arranged inside the shell opening component (21).
2. A platform door for rail transit that is easy to install according to claim 1, characterized in that: The shell opening component (21) comprises a positioning socket column (211), wherein the positioning socket column (211) is fixedly mounted on the inner side of the back of the platform door mounting shell (1), a threaded slot column (212) is slidably mounted inside the positioning socket column (211), a sealing plate (213) is fixedly mounted on the front of the threaded slot column (212), a pull frame (214) is fixedly mounted on the front of the sealing plate (213), a partition plate (215) is fixedly mounted inside the platform door mounting shell (1), a sliding side baffle (216) is slidably mounted inside the platform door mounting shell (1), and a bolt 1 (217) is threadedly mounted inside the threaded slot column (212).
3. A platform door for rail transit that is easy to install according to claim 2, characterized in that: Grooves are provided at corresponding positions of the platform door installation shell (1) and the sliding side baffle (216), and the sliding side baffle (216) is slidably installed inside the groove provided inside the platform door installation shell (1).
4. The platform door for rail transit that is easy to install according to claim 1, characterized in that: The clamping assembly (22) comprises an electric slide rail (221), the electric slide rail (221) being fixedly mounted on the inner side of the back of the platform door mounting shell (1), an electric slider (222) being arranged inside the electric slide rail (221), a connecting strip (223) being fixedly mounted on the front of the electric slider (222), a clamping block (224) being fixedly mounted on the front of the connecting strip (223), a sliding door body (225) being slidably mounted on the outside of the clamping block (224), a telescopic rod (226) being fixedly mounted on the front of the sliding door body (225), a paddle (227) being fixedly mounted on the inner side of the telescopic rod (226), a clamping head (228) being fixedly mounted on the inner side of the paddle (227), and a spring (229) being arranged on the outside of the telescopic rod (226).
5. The platform door for rail transit that is easy to install according to claim 4, characterized in that: Holes are provided at corresponding positions of the card insert block (224) and the card head (228), and the card head (228) is slidably mounted inside the hole provided inside the card insert block (224).
6. The platform door for rail transit that is easy to install according to claim 1, characterized in that: The door body mounting and fixing mechanism (3) comprises a side ear (31), wherein the side ear (31) is fixedly mounted on the front and back of the base plate (4), a second bolt (32) is arranged inside the side ear (31), a gasket (33) is arranged outside the second bolt (32), and a slotted internal thread column (34) is installed on the external thread of the second bolt (32).
7. A platform door for rail transit that is easy to install according to claim 6, characterized in that: The side ear (31) and the second bolt (32) are provided with holes at corresponding positions, and the second bolt (32) is slidably installed inside the hole provided inside the side ear (31).
Citation Information
Patent Citations
Platform door for rail transit
CN217048607U