A railway passenger car steel folding door device with heating function

Abstract

The utility model provides a railway passenger car steel folding door device with a heating function, comprising a door frame assembly and a door body assembly; the left side of the door body assembly is installed on the inner side of the door frame assembly through the folding assembly, and the right side is installed with a door lock assembly; the inner wall of the door frame assembly is installed with a door frame rubber strip; the outer wall of the door body assembly is installed with a side door rubber strip; it also includes a heating assembly; the door body assembly comprises a door body and a front cover plate installed on the front side of the door body; the door body and the front cover plate are made of steel; a junction box is installed at a corner of the door body; a terminal block is installed in the junction box; a junction box installation port is provided at the position corresponding to the junction box on the front cover plate; the heating assembly comprises a stainless steel thin-walled tube and a self-limiting temperature electric heating belt; the stainless steel thin-walled tube is encapsulated on the inner side of the door body through heat-conductive glue; the self-limiting temperature electric heating belt is arranged in the stainless steel thin-walled tube and is connected to the terminal block; the design solves the freezing and stagnation phenomenon of the steel folding door device in the low-temperature operating environment of the vehicle through-platform area, and compensates for the heat loss of the vehicle through-platform area to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of railway passenger cars, in particular to a railway passenger car steel folding door device with a heating function. Background Art

[0002] The existing conventional railway passenger cars without plug-in doors generally have steel folding doors in the pedaling area. The steel folding doors are limited by their own structure and installation interface structure, and their own cold-proof and sealing performances are poor, and there is no internal heating device. When operating in the northern high-cold areas of China in winter, the poor sealing performance of the door installation structure will directly reduce the temperature of the platform area. Ice on the door body and the door installation area at low temperatures will cause the door to open and close slowly, and in severe cases, it will cause vehicle delays and other malfunctions.

[0003] To solve the problem of freezing of the car end passage area of ​​conventional railway passenger cars in winter when the temperature is low, it is necessary to systematically tackle the problem from multiple aspects and angles. This patent aims to explain the problem from the perspective of solving the performance of the steel folding door itself. It does not mean that the freezing phenomenon in the car end area at low temperatures can be solved by this patent alone, but it can improve the phenomenon to a certain extent. This patent is one of the main means to solve the problem of freezing of the car end passage area. Utility Model Content

[0004] The utility model aims to provide a railway passenger car steel folding door device with a heating function to solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steel folding door device for a railway passenger car with a heating function, comprising a door frame assembly and a door body assembly; the left side of the door body assembly is installed on the inner side of the door frame assembly through a hinge assembly, and the right side is installed with a door lock assembly; the inner wall of the door frame assembly is installed with a door frame rubber strip; the outer wall of the door body assembly is installed with a side door rubber strip; it also includes a heating assembly; the door body assembly comprises a door body and a front cover plate installed on the front side of the door body; the door body and the front cover plate are made of steel; a junction box is installed at a corner of the door body; a terminal block is installed in the junction box; a junction box installation port is provided on the front cover plate at a position corresponding to the junction box; the heating assembly comprises a stainless steel thin-walled tube and a self-limiting temperature electric heating belt; the stainless steel thin-walled tube is encapsulated on the inner edges of the door body by thermally conductive adhesive; the self-limiting temperature electric heating belt is arranged in the stainless steel thin-walled tube and connected to the terminal block.

[0007] Further description of the utility model: the side door rubber strip is fixed to the outer wall of the door body; a rainproof strip made of silicone rubber is fixed to the lower end of the rear side of the door body; and a windproof strip made of silicone rubber is fixed to the lower end of the front side of the front cover plate.

[0008] Further description of the utility model: a glass installation part is provided in the middle and upper part of the door body; a glass installation strip is installed in the glass installation part; and laminated glass is installed inside the glass installation strip.

[0009] Further description of the utility model: the junction box is arranged at the upper left corner of the door body; a nylon hose and a connector are installed on the front side of the junction box.

[0010] Further description of the utility model: an observation box is installed at the lower right corner of the inner side of the door body; an observation box installation port is provided on the front cover plate at the position corresponding to the observation box; two self-limiting temperature electric heating tapes are provided, which are divided into a first self-limiting temperature electric heating tape and a second self-limiting temperature electric heating tape; three stainless steel thin-walled tubes are provided, which are divided into a first stainless steel thin-walled tube, a second stainless steel thin-walled tube and a third stainless steel thin-walled tube; the first stainless steel thin-walled tube is L-shaped and is arranged on the left and lower sides of the door body; the second stainless steel thin-walled tube is a straight tube, which is arranged on the right side of the door body and is located between the door lock assembly and the observation box; the third stainless steel thin-walled tube is L-shaped and is arranged on the upper side and upper right part of the door body; the first self-limiting temperature electric heating tape is passed through the first stainless steel thin-walled tube, the observation box and the second stainless steel thin-walled tube; the second self-limiting temperature electric heating tape is passed through the third stainless steel thin-walled tube.

[0011] To further describe the utility model, the inner side of the door body is provided with reinforcing ribs; the inner side of the door body is coated with aerogel and then coated with a foaming layer.

[0012] Further description of the utility model, the door frame rubber strip and the side door rubber strip are made of silicone strip or EPDM sponge rubber strip.

[0013] The beneficial effects of the utility model are:

[0014] This design installs self-limiting temperature electric heating cables around the edges of the door body. The self-limiting temperature electric heating cables are sealed with stainless steel thin-walled tubes to isolate water vapor and avoid mechanical damage. The stainless steel thin-walled tubes are encapsulated and fixed in the door body with thermal conductive adhesive. The heat generated by the heating cables can be efficiently transferred to the door panel side, thereby heating the seams around the door body, thereby effectively avoiding the door body and the door installation area from freezing at low temperatures, which may cause the door to get stuck when opened and closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 It is the front view of the door frame assembly of the utility model;

[0017] Figure 3 yes Figure 2 Sectional view of AA in the middle;

[0018] Figure 4 yes Figure 2 Cross-sectional view of the middle BB;

[0019] Figure 5 It is a structural diagram of the door assembly of the utility model;

[0020] Figure 6 It is a right side view of the door assembly of the utility model;

[0021] Figure 7 yes Figure 6 A partial enlarged view of middle C;

[0022] Figure 8 This is a structural diagram of the connection between the interior of the door assembly and the heating assembly of the utility model;

[0023] Fig. 9 It is a structural diagram of the front cover of the utility model. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] like Figure 1-9 As shown, a railway passenger car steel folding door device with a heating function includes a door frame assembly 1 and a door body assembly 2; the left side of the door body assembly 2 is installed on the inner side of the door frame assembly 1 through a hinge assembly 3, and the right side is installed with a door lock assembly (not shown); the inner wall of the door frame assembly 1 is installed with a door frame rubber strip 11, and the outer wall of the door body assembly 2 is installed with a side door rubber strip 201, so that there are two seals between the door frame assembly 1 and the door body assembly 2; it also includes a heating assembly 4; the door body assembly 2 includes a door body 21 and a front cover plate 22 installed on the front side of the door body 21; the door body 21 and the front cover plate 22 are made of steel; a junction box 23 is installed at a corner inside the door body 21; a terminal block 231 is installed in the junction box 23; a junction box installation port is provided on the front cover plate 22 at a position corresponding to the junction box 23 221; the heating component 4 includes a stainless steel thin-walled tube 41 and a self-limiting temperature electric heating tape 42; the stainless steel thin-walled tube 41 is encapsulated on the inner edges of the door body 21 by thermally conductive adhesive (not shown); the self-limiting temperature electric heating tape 42 is arranged in the stainless steel thin-walled tube 41 and is connected to the terminal block 231; the external power supply is connected to the terminal block 231 of the junction box 23 to supply power to the self-limiting temperature electric heating tape 42, and the self-limiting temperature electric heating tape 42 is sealed and isolated from water vapor by the stainless steel thin-walled tube 41 to avoid mechanical damage, and the stainless steel thin-walled tube 41 is encapsulated and fixed in the door body 21 with thermally conductive adhesive, so that the heat generated by the heating wire can be efficiently transferred to the door panel side, so as to heat the seams around the door body 21, thereby effectively avoiding the door body 21 and the door installation area from freezing at low temperatures, which will cause the door to open and close.

[0026] The side door rubber strip 201 is fixed to the outer wall of the door body 21; a rainproof strip 202 made of silicone rubber is fixed to the lower end of the rear side of the door body 21 to play a rainproof function and prevent rainwater from entering; a windproof strip 203 made of silicone rubber is fixed to the lower end of the front side of the front cover plate 22 to play a windproof function.

[0027] A glass installation portion 211 is provided in the middle and upper part of the door body 21 ; a glass installation rubber strip 212 is installed in the glass installation portion 211 ; and a laminated glass 213 is installed inside the glass installation rubber strip 212 .

[0028] The junction box 23 is arranged at the upper left corner of the door body 21; a nylon hose and a connector 232 are installed on the front side of the junction box 23, and the junction box 23 is conveniently located for connecting the power cord, and the nylon hose and the connector 232 protect the exposed part of the power cord.

[0029] An observation box 24 is installed at the lower right corner of the inner side of the door body 21; an observation box installation port 222 is provided on the front cover plate 22 at the position corresponding to the observation box 24; two self-limiting temperature electric heating belts 42 are provided, which are divided into a first self-limiting temperature electric heating belt 421 and a second self-limiting temperature electric heating belt 422; three stainless steel thin-walled tubes 41 are provided, which are divided into a first stainless steel thin-walled tube 411, a second stainless steel thin-walled tube 412 and a third stainless steel thin-walled tube 413; the first stainless steel thin-walled tube 411 is L-shaped and is arranged on the left and lower sides of the door body 21; the second stainless steel thin-walled tube 412 is a straight tube and is arranged inside the door body 21 The third stainless steel thin-walled tube 413 is L-shaped and arranged on the upper side and the upper right part of the door body 21; the first self-limiting temperature electric heating belt 421 is passed through the first stainless steel thin-walled tube 411, the observation box 24 and the second stainless steel thin-walled tube 412; the second self-limiting temperature electric heating belt 422 is passed through the third stainless steel thin-walled tube 413. Since the first self-limiting temperature electric heating belt 421 needs to pass through two corners during installation, an observation box 24 is arranged at the second corner position to facilitate manual sorting of the first self-limiting temperature electric heating belt 421 from the position of the observation box 24.

[0030] The inner side of the door body 21 is provided with reinforcing ribs 214; the inner side of the door body 21 is coated with aerogel (not shown) and then coated with a foaming layer (not shown), the reinforcing ribs 214 are used to strengthen the strength of the door body 21, and the aerogel is coated on the inner side of the door body 21 to provide heat insulation between the side of the door body 21 in contact with the outdoors and the inside of the vehicle, and the foaming layer further serves as a heat preservation and insulation function.

[0031] The door frame rubber strip and the side door rubber strip are made of silicone strip or EPDM sponge rubber strip to improve the sealing performance.

[0032] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A railway passenger car steel hinged door device with a heating function, comprising a door frame assembly and a door body assembly; the left side of the door body assembly is installed on the inner side of the door frame assembly through a hinge assembly, and the right side is installed with a door lock assembly; the inner wall of the door frame assembly is installed with a door frame rubber strip; the outer wall of the door body assembly is installed with a side door rubber strip; the characteristics are: It also includes a heating component; the door body component includes a door body and a front cover plate installed on the front side of the door body; the door body and the front cover plate are made of steel; a junction box is installed at a corner of the door body; a terminal block is installed in the junction box; a junction box installation port is provided at the position of the front cover plate corresponding to the junction box; the heating component includes a stainless steel thin-walled tube and a self-limiting temperature electric heating belt; the stainless steel thin-walled tube is encapsulated on the inner edges of the door body by thermal conductive glue; the self-limiting temperature electric heating belt is arranged in the stainless steel thin-walled tube and connected to the terminal block.

2. A railway passenger car steel folding door device with a heating function according to claim 1, characterized in that: The side door rubber strip is fixed to the outer wall of the door body; a rainproof strip made of silicone rubber is fixed to the lower end of the rear side of the door body; and a windproof strip made of silicone rubber is fixed to the lower end of the front side of the front cover plate.

3. The railway passenger car steel folding door device with heating function according to claim 1, characterized in that: A glass installation part is arranged at the middle and upper part of the door body; a glass installation rubber strip is installed in the glass installation part; and laminated glass is installed inside the glass installation rubber strip.

4. The railway passenger car steel folding door device with heating function according to claim 1, characterized in that: The junction box is arranged at the upper left corner of the door body; a nylon hose and a connector are installed at the front side of the junction box.

5. A railway passenger car steel folding door device with a heating function according to claim 4, characterized in that: An observation box is installed at the lower right corner of the inner side of the door body; an observation box installation port is provided on the front cover plate at the position corresponding to the observation box; two self-limiting temperature electric heating tapes are provided, which are divided into a first self-limiting temperature electric heating tape and a second self-limiting temperature electric heating tape; three stainless steel thin-walled tubes are provided, which are divided into a first stainless steel thin-walled tube, a second stainless steel thin-walled tube and a third stainless steel thin-walled tube; the first stainless steel thin-walled tube is L-shaped, arranged on the left and lower sides of the door body; the second stainless steel thin-walled tube is a straight tube, arranged on the right side of the door body and located between the door lock assembly and the observation box; the third stainless steel thin-walled tube is L-shaped, arranged on the upper side and upper right part of the door body; the first self-limiting temperature electric heating tape is passed through the first stainless steel thin-walled tube, the observation box and the second stainless steel thin-walled tube; the second self-limiting temperature electric heating tape is passed through the third stainless steel thin-walled tube.

6. The railway passenger car steel folding door device with heating function according to claim 1, characterized in that: The inner side of the door body is provided with reinforcing ribs; the inner side of the door body is coated with aerogel and then coated with a foaming layer.

7. The railway passenger car steel folding door device with heating function according to claim 1, characterized in that: The door frame rubber strip and the side door rubber strip are made of silicone rubber strip or EPDM sponge rubber strip.

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