Integrated railway locomotive side door
By designing integrated railway locomotive side doors, using aluminum alloy profiles integrated molding and hidden linkage handles, the existing side door structure is complex and has large wind resistance, and the railway locomotive side doors with low wind resistance, low cost and high thermal and sound insulation effects are achieved.
Patent Information
- Application Number
- CN202421644360.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing railway locomotive side doors have complex structures, high wind resistance, and high production costs.
The integrated railway locomotive side door is designed, and it is made of aluminum alloy profiles. The door frame and the door leaf are integrated. The hidden upper and lower linkage handles are filled with 130mm polyurethane fluorine-free foaming thermal insulation layer, and double-layer reinforced glass is embedded.
It realizes the side door of the railway locomotive with a simple structure and small wind resistance, reduces the production cost, and improves the thermal insulation and sound insulation effect and decorative effect, which is suitable for the side door of the high-speed railway locomotive.
Smart Images

Figure CN222756582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway locomotives, in particular to an integrated railway locomotive side door. Background Art
[0002] A railway locomotive is a vehicle that pulls or pushes railway vehicles (commonly known as a locomotive). The side door of a railway locomotive is an important component of the railway locomotive, which can ensure the safety of people inside the railway locomotive.
[0003] The handles on some locomotive side doors on the market are relatively protruding, which increases the wind resistance of the locomotive when it is running. In addition, the door frames and door panels in the locomotive side doors are usually not self-contained, and the structure is relatively complex, the production is complex, and the cost is high. Utility Model Content
[0004] The utility model provides an integrated railway locomotive side door, which has the advantages of simple structure and small wind resistance, and solves the problems raised in the background technology.
[0005] In order to solve the defects of the existing railway locomotive side door having a complex structure and large wind resistance, the utility model provides the following technical solutions: an integrated railway locomotive side door, comprising a door frame, an installation frame is welded to the inner wall of the door frame, a connecting frame is provided on the front of the installation frame, three hinges distributed up and down are provided on the front of the connecting frame, a door leaf connected to the three hinges at the same time is provided on the front of the connecting frame, two sealing strips are fixedly connected to the inner wall of the connecting frame by glue, two interlocking locks distributed up and down are installed on the front of the door leaf, double-layer tempered glass is inlaid on the front of the door leaf, and a heat-insulating and sound-insulating layer is filled in the door leaf.
[0006] As a preferred technical solution of the utility model, two first screws threadedly fixedly connected to the connecting frame are installed on the front of the hinge, and three second screws threadedly fixedly connected to the door leaf are installed on the front of the hinge.
[0007] As a preferred technical solution of the present utility model, a nameplate is provided at the lower front side of the door leaf, and the nameplate is fixed to the door leaf by glue.
[0008] As a preferred technical solution of the utility model, the door frame and the door leaf are both transitional rounded aluminum alloy profile structures, and the heat and sound insulation layer is a polyurethane fluorine-free foam layer.
[0009] As a preferred technical solution of the present invention, a plurality of rivets fixedly connected to the installation frame are installed on the front side of the connection frame.
[0010] Compared with the prior art, the utility model provides an integrated railway locomotive side door, which has the following beneficial effects:
[0011] 1. The integrated railway locomotive side door has a door frame and a door leaf that are integrated (made of aluminum alloy profiles, with a simple structure and easy production), which is easy to install. The hidden upper and lower linkage handle design can reduce wind resistance. The inside of the door leaf uses a 130mm polyurethane fluorine-free foamed one-piece heat insulation and sound insulation layer with good heat insulation and sound insulation effects. At the same time, double-layer tempered glass is set on the door leaf for easy observation and good decorative effect. It is suitable for high-speed railway locomotive side doors.
[0012] 2. The integrated railway locomotive side door, the door leaf or the door frame adopts the transition rounded aluminum alloy profile with beautiful shape, which is light in weight, high in strength, has a good feel when opening or closing the door, and has a low overall cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a front view of the utility model;
[0014] Figure 2 It is a top sectional view of the utility model;
[0015] Figure 3 It is a side sectional view of the utility model.
[0016] In the figure:
[0017] 10. Door frame; 20. Installation frame; 30. Hinge; 40. Door leaf; 50. Sealing strip; 60. Double-layer tempered glass; 70. Thermal and sound insulation layer; 80. First screw; 90. Second screw; 100. Nameplate; 110. Connection frame; 120. Rivet; 130. Interlocking lock. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-Figure 3The utility model discloses an integrated railway locomotive side door, including a door frame 10, model QGS-M8A-20-00, an inner wall of the door frame 10 is welded with an installation frame 20, model QGS-M8-00-01, a front of the installation frame 20 is provided with a connecting frame 110, the front of the connecting frame 110 is provided with three hinges 30 distributed up and down, model QGS-M3-30-00, the front of the connecting frame 110 is provided with a door leaf 40 connected to the three hinges 30 at the same time, model QGS-M8A-10-00, the inner wall of the connecting frame 110 is fixedly connected with two sealing strips 50 by glue, which are EPDM rubber, and can improve the sealing between the door leaf 40 and the connecting frame 110, the front of the door leaf 40 is installed with two interlocking locks 130 distributed up and down, model LDS-3, the front of the door leaf 40 is inlaid with a double-layer tempered glass 60, and the door leaf 40 is filled with a heat insulation and sound insulation layer 70.
[0020] Specifically, two first screws 80 threadedly fixedly connected to the connection frame 110 are installed on the front side of the hinge 30 , and three second screws 90 threadedly fixedly connected to the door leaf 40 are installed on the front side of the hinge 30 .
[0021] In this embodiment, the size of the first screw 80 is M8X10, the model is GB / T70.1-2000, and the size of the second screw 90 is M8X15, the model is GB / T68-85, which can achieve fixed installation of the hinge 30.
[0022] Specifically, a nameplate 100 is provided at the lower front side of the door leaf 40 , and the nameplate 100 is fixed to the door leaf 40 by glue.
[0023] In this implementation scheme, the nameplate 100 model is QGS-M8-00-02 standard, which can record the specific information of the integrated railway locomotive side door in detail.
[0024] Specifically, the door frame 10 and the door leaf 40 are both transitional rounded aluminum alloy profile structures, and the heat and sound insulation layer 70 is a polyurethane fluorine-free foam layer.
[0025] In this embodiment, the rounded corners make the door frame 10 and the door leaf 40 smooth and round, which can improve the comfort of opening and closing the door. The polyurethane fluorine-free foam layer is integrally formed by 130mm polyurethane fluorine-free foam, and the heat insulation and sound insulation effects are greatly improved.
[0026] Specifically, a plurality of rivets 120 fixedly connected to the installation frame 20 are installed on the front side of the connection frame 110 .
[0027] In this embodiment, the number of rivets 120 is 19, the size is φ5x18, and the model is GB / T12616-1990, which can improve the firmness of the connection between the connecting frame 110 and the installation frame 20.
[0028] The working principle and use process of the utility model: the door frame 10 and the door leaf 40 are made of aluminum alloy profiles, and the sharp corners are rounded. They are self-contained, simple in structure, easy to make, and low in manufacturing cost. At the same time, when in use, the door opening or closing feels good, and the two interlocking locks 130 adopt a hidden upper and lower interlocking handle design to reduce wind resistance. A 130mm polyurethane fluorine-free foamed one-piece heat-insulating and sound-insulating layer 70 is adopted inside the door leaf 40, which has good heat-insulating and sound-insulating effects. The double-layer tempered glass 60 is arranged for easy observation and good decorative effect, and is suitable for the side doors of high-speed railway locomotives.
[0029] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. Integrated railway locomotive side door, characterized by: The invention comprises a door frame (10), the inner wall of which is welded with an installation frame (20), the front of which is provided with a connection frame (110), the front of which is provided with three hinges (30) distributed vertically, the front of which is provided with a door leaf (40) connected to the three hinges (30), the inner wall of which is fixedly connected with two sealing strips (50) by glue, the front of which is provided with two interlocking locks (130) distributed vertically, the front of which is provided with a double-layer tempered glass (60), and the door leaf (40) is filled with a heat-insulating and sound-insulating layer (70).
2. The integrated railway locomotive side door according to claim 1, characterized in that: Two first screws (80) threadedly fixedly connected to the connection frame (110) are installed on the front of the hinge (30), and three second screws (90) threadedly fixedly connected to the door leaf (40) are installed on the front of the hinge (30).
3. The integrated railway locomotive side door according to claim 1, characterized in that: A nameplate (100) is provided below the front side of the door leaf (40), and the nameplate (100) is fixed to the door leaf (40) by glue.
4. The integrated railway locomotive side door according to claim 1, characterized in that: The door frame (10) and the door leaf (40) are both transitional rounded aluminum alloy profile structures, and the heat and sound insulation layer (70) is a polyurethane fluorine-free foam layer.
5. The integrated railway locomotive side door according to claim 1, characterized in that: A plurality of rivets (120) fixedly connected to the installation frame (20) are installed on the front side of the connection frame (110).