Insulation doorsill structure for subway platform door
By adopting an insulated sill structure, including support structure and insulating plate surface, the risk of electric shock of the subway platform door is solved, and safety and transformation efficiency are improved, and the replacement time is prompted through color changes.
Patent Information
- Application Number
- CN202421784180.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The metal threshold of the subway platform door is in danger of electric shock, which affects power safety.
The insulated sill structure is adopted, including a support structure and an insulating plate surface. The support structure is convex, and the insulating plate surface can be bonded or detachably connected to the support structure. It is made of insulating material, and the support structure and the insulating plate surface are arranged separately. The insulating plate surface can be changed by color changes.
Avoid electric shock accidents, improve power safety, reduce transformation costs, improve transformation efficiency, and replace them in time through color change reminders to ensure safety.
Smart Images

Figure CN223135935U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an insulating threshold structure for a subway platform door. Background Art
[0002] The subway system uses DC power supply. The power supply methods of the subway mainly include catenary power supply and third-rail power supply. When using catenary power supply, it is powered by the pantograph (an electrical device that obtains electrical energy from the catenary, installed on the top of the locomotive, and can be divided into single-arm pantograph and double-arm pantograph) on the train and the catenary contact. Another method is the third-rail method, which is a relatively primitive method because the initial electric trains were powered by the third-rail method. The third rail itself is a very vague term. Because according to the positional relationship between the current collector shoe and the power supply rail, it is divided into upper power take-off, side power take-off, and lower power take-off. In China, the subways using the third rail seem to all use the lower power take-off method, and then a protective cover is installed outside the power supply rail, with a relatively low risk factor. It is powered by the third rail located on the side, at a certain distance from the ground, outside the running rail (the walking rail) on which the train travels. However, touching the third rail may cause electric shock. The main power source of the subway is electricity, and during the operation of the subway, electrical safety is very important. Content of the Utility Model
[0003] To solve the above technical problems, the utility model provides an insulating threshold structure for a subway platform door.
[0004] The technical solution adopted by the utility model is: an insulating threshold structure for a subway platform door, including,
[0005] A support structure, in a convex shape;
[0006] An insulating board surface, adhesively bonded and / or detachably connected to the support structure.
[0007] Preferably, the shape of the insulating board surface matches the shape of the upper surface of the support structure.
[0008] Preferably, the insulating board surface covers the support structure. The edge of the insulating board surface is soft and deformable, and can cover the side of the support structure after being bent.
[0009] Preferably, the insulating board surface is in a downward groove shape and can cover and block the support structure.
[0010] Preferably, a receiving groove is provided on the upper surface of the support structure, and the insulating panel can be embedded in the receiving groove; both the support structure and the insulating board surface are made of insulating materials.
[0011] Preferably, the insulating panel is connected to the support structure by countersunk bolts, and the countersunk bolts are made of insulating materials.
[0012] Preferably, the insulating board surface comprises two or more state layers, and adjacent state layers are set to different colors.
[0013] Preferably, the thicknesses of the multiple state layers are the same, or partially the same, or all different.
[0014] Preferably, the multiple state layers are bonded together, or multiple state layers are formed by hot pressing.
[0015] The advantages and positive effects of the present utility model are as follows: using an insulating threshold to replace the traditional metal threshold can avoid electric shock accidents and improve the safety of electricity use; the support structure and the insulating panel are separately arranged, retaining the basic part of the original threshold structure of the subway station, and replacing or adding the upper surface insulating structure can reduce the subway transformation cost and improve the transformation efficiency;
[0016] The insulating board surface formed by using two-color or multi-color state layers can observe the usage condition of the insulating panel through color change, remind to replace it in time, and further improve the usage safety. Description of the Drawings
[0017] Figure 1 is a schematic cross-sectional structure view of an embodiment of the present utility model;
[0018] Figure 2 is a schematic cross-sectional structure view of another embodiment of the present utility model;
[0019] Figure 3 is a schematic cross-sectional structure view of another embodiment of the present utility model;
[0020] Figure 4 is a schematic cross-sectional structure view of another embodiment of the present utility model.
[0021] In the figure:
[0022] 1. Support structure 2. Insulating board surface 21. State layer
[0023] 3. Countersunk head bolt Detailed Embodiments
[0024] The following makes an explanation of the embodiments of the present utility model with reference to the drawings.
[0025] The present utility model relates to an insulating threshold structure for subway platform doors, which specifically may include a support structure 1 and an insulating board surface 2. The insulating board surface 2 is adhesively connected or detachably connected to the upper surface of the support structure 1, provided below various door structures in the subway station, and used as a threshold. When in use, it can shield the electric shock danger and improve the safety.
[0026] The support structure 1 is a convex structure, which can be a rectangular columnar protrusion, or a protrusion of other shapes, or the original metal threshold keel structure or support structure 1 of the subway station can be directly adopted, and transformation can be carried out additionally above it. The support structure 1 mainly plays a supporting role and can provide support force when the threshold is stepped on. The insulating panel covers above the support structure 1, separating the human foot from the support structure 1, and an insulating material is used to avoid electric shock. The insulating panel can be bonded to the support structure 1, or detachably connected by bolts, or bonded in some areas and bolted in some areas.
[0027] In some embodiments of the present utility model, the upper surface of the support structure 1 is rectangular, and the shape of the insulating panel matches the shape of the upper surface of the support structure 1, and can completely cover the upper surface of the insulating panel, and can be directly bonded above the support structure 1 or connected above the support structure 1 by bolts, as Figure 1 shown; when the present utility model is used for the reconstruction of an existing subway station, the insulating panel can also be directly bonded to the upper surface of the original threshold. In some other embodiments of the present utility model, the insulating panel surface 2 covers above the support structure 1, and the insulating panel surface 2 can be made of rubber material, and the edge is soft and deformable, and can cover the side of the support structure 1 after being bent, as Figure 2 shown. During installation, the middle part of the insulating panel can be first bonded or bolted to the support structure 1, and then the two opposite sides or the four sides can be fixed in turn by bonding or bolting. The fixing method in the middle of the insulating panel surface 2 can be the same as or different from the fixing method at the edge. In some other embodiments of the present utility model, the insulating panel surface 2 is in a downward groove shape, which can cover and block the support structure 1, so as to achieve the insulating function, and the structure is as Figure 3 shown. At this time, the insulating panel surface 2 can be made of a hard insulating material, which can be slightly different from the support structure 1, and the height is not less than that of the support structure 1; it can also be made of a soft insulating material, and then it needs to match the shape of the support structure 1 so that the support structure 1 can be embedded in the groove of the insulating panel surface 2. In some other embodiments of the present utility model, a receiving groove is provided on the upper surface of the support structure 1, and the insulating panel can be embedded in the receiving groove, and the structure is as Figure 4 shown; both the support structure 1 and the insulating panel surface 2 are made of insulating materials and have insulating functions. The insulating panel further improves the insulating function and has the effect of wear resistance.
[0028] When the insulating panel is connected to the support structure 1 by bolts, it is preferably to use countersunk head bolts 3, and no protrusion is generated at the bolt connection to avoid tripping pedestrians during use and being more beautiful. In order to ensure the insulating effect of the insulating panel, the bolts are made of insulating materials, such as using rubber bolts.
[0029] The insulating panel is preferably made of rubber material. It can use rubber with a relatively hard texture or rubber with a relatively soft texture. However, this kind of insulating material generally has poor wear resistance. Once overused and leakage points occur, it will lose its insulating function. In some embodiments of the present invention, an insulating panel composed of two or more state layers 21 can be adopted. The adjacent state layers 21 are set to different colors or patterns. By different colors or patterns, maintenance personnel can be reminded of the usage status of this threshold and whether the insulating panel needs to be replaced. Through such a method, the usage data of the insulating panel can be provided quickly and accurately. The usage duration of the insulating threshold can be indicated by different colors, and it can also be used to count the usage frequency of subway doors, which is convenient for overall planning.
[0030] The multiple state layers 21 can be bonded or integrally formed by hot pressing. The multiple state layers 21 have the same thickness, or some are the same, or all are different. According to different usage locations and purposes, insulating threshold structures with different specifications can be set respectively.
[0031] The insulating threshold structure disclosed by the present invention can be used as the threshold structure for various types of doors in newly built subways, and can also be used for the transformation of thresholds in existing subway environments. It can be directly covered on the original threshold structure, or some structures on the original threshold can be removed, and the new support structure 1 and / or insulating panel can be replaced. It is flexible to use and has high insulating safety performance.
[0032] The following further illustrates the present invention through specific embodiments.
[0033] Embodiment 1: An insulating threshold structure for a subway platform door, including a support structure 1 and an insulating panel surface 2. The support structure 1 is an arched C-shaped structure with a flat upper surface. The insulating panel surface 2 is bonded to the upper surface of the support structure 1 and has insulating properties. The insulating panel surface 2 includes two bonded state layers 21 of black and red. The black layer is arranged above the red layer, and the black state layer 21 is thicker than the red state layer 21. During use, when pedestrians pass by or step on the threshold structure, the insulating panel surface 2 has an insulating function to prevent electric shock during walking. After long-term use, if the black state layer 21 wears and becomes thinner, revealing the red state layer 21, it means that maintenance personnel should be reminded to replace the insulating panel in time to ensure its insulating effect.
[0034] Embodiment 2: An insulating threshold structure for a subway platform door, comprising a support structure 1 and an insulating board surface 2. The support structure 1 is a columnar protrusion, and the insulating board surface 2 is arranged above the support structure 1 and fixed by a countersunk bolt 3, with the bolt head not higher than the top surface of the insulating panel. The middle part of the insulating board surface 2 is thicker and can cover the support structure 1, while the edge part is thinner and can deform. The front and rear edges of the insulating board surface 2 protrude beyond the projection range of the support structure 1 and can be bent downward to cover the front and rear sides of the support structure 1. The front and rear edges of the insulating board surface 2 are bonded to the front and rear sides of the support structure 1.
[0035] Embodiment 3: An insulating threshold structure for a subway platform door, comprising a support structure 1 and an insulating board surface 2. The support structure 1 is a columnar protrusion, and the insulating board surface 2 is made of hard rubber and is in an inverted trough shape, with a space formed inside to accommodate the support structure 1. The support structure 1 can match the trough shape formed by the insulating board surface 2 or be smaller than the trough space formed by it and be completely covered by the insulating board surface 2. The insulating board surface 2 includes three bonded inner, middle, and outer state layers 21, which are red, brown, and black in sequence from the inside to the outside, with the same thickness. The wear condition of the insulating board surface 2 can be judged according to the exposed color. The insulating board surface 2 is connected to the support structure 1 by a countersunk bolt 3, with the bolt head not higher than the top surface of the insulating board surface 2, and the countersunk bolt 3 is made of rubber.
[0036] The trough-shaped insulating board surface 2 has a wide range of applications and is not restricted by the shape of the support structure 1 as long as it can completely cover it. This solution can be used for the transformation of old subway equipment. By directly replacing the cover plate of the threshold structure at the old subway platform door, the replacement can be completed. The operation is simple, it is widely used, which is conducive to unifying the specifications of the facilities in the subway and facilitating management.
[0037] Embodiment 4: An insulating threshold structure for a subway platform door, comprising a support structure 1 and an insulating board surface 2. The support structure 1 and the insulating board surface 2 are both made of insulating materials. The upper surface of the support structure 1 is provided with a receiving groove, and the insulating board surface 2 can be embedded in the receiving groove. The insulating board surface 2 includes 4 state layers 21, with the colors being red, yellow, green, and blue in sequence. After being worn during use, different patterns will appear in sequence, improving the aesthetics and interest. The insulating board surface 2 is bonded in the receiving groove.
[0038] The above has described the embodiments of the present invention in detail, but the content described is only the preferred embodiments of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.
Claims
1. An insulating threshold structure for a subway platform door, characterized in that: including, a support structure, which is a convex structure; an insulating board surface, adhesively bonded and / or detachably connected to the support structure; the insulating board surface includes two or more state layers, and adjacent state layers are set to different colors.
2. The insulating threshold structure for a subway platform door according to claim 1, wherein: The shape of the insulating board surface matches the shape of the upper surface of the support structure.
3. The insulating threshold structure for a subway platform door according to claim 1, characterized in that: The insulating board surface covers the support structure, and the edge of the insulating board surface is soft and deformable and can cover the side of the support structure after being bent.
4. The insulating threshold structure for a subway platform door according to claim 1, characterized in that: The insulating board surface is in a downward groove shape and can cover and block the support structure.
5. The insulating threshold structure for a subway platform door according to claim 1, characterized in that: A receiving groove is provided on the upper surface of the support structure, and the insulating board surface can be embedded in the receiving groove; both the support structure and the insulating board surface are made of insulating materials.
6. The insulating threshold structure for a subway platform door according to any one of claims 1-5, characterized in that: The insulating board surface is connected to the support structure by a countersunk head bolt, and the countersunk head bolt is made of insulating material.
7. The insulating threshold structure for the subway platform screen door according to claim 1, characterized in that: The thicknesses of the multiple state layers are the same, or partially the same, or all different.
8. The insulating threshold structure for a subway platform door according to claim 7, characterized in that: The multiple state layers are adhesively bonded or formed by hot pressing to form the multiple state layers.