Rail transit safety belt integrated lumbar support

Abstract

The utility model discloses a rail transit safety belt integrated waist rest relates to rail transit technical field, include: waist rest main part, fixed frame subassembly, mounting seat, safety belt subassembly and safety belt card seat, the inside of waist rest main part is provided with the cavity, and the waist rest main part includes the first camber surface for leaning on, fixed frame subassembly includes setting in the first connecting column of waist rest main part both ends and setting in the second connecting column of the cavity of waist rest main part, the mounting seat is fixed in the inner wall of traffic tool, is used for fixed mounting first connecting column and second connecting column, safety belt subassembly installs in the cavity of waist rest main part, and it includes safety belt box and rotates and installs in the safety belt box safety belt, safety belt card seat installs in the cavity of waist rest main part, and is set apart with safety belt subassembly, and safety belt card seat is used for the junction safety belt, set up like this, make the waist rest convenient to bind the wheelchair of disabled person at the same time, more portable and beautiful practical.

Description

Technical Field

[0001] This utility model relates to the field of rail transit technology, and in particular to an integrated lumbar support for rail transit safety belts. Background Technology

[0002] With urban development, rail transit has become a convenient mode of transportation. Meanwhile, subway systems are becoming increasingly ergonomic. For example, urban rail vehicles typically feature lumbar support for passenger comfort, and wheelchairs are equipped with seat belts for secure restraint. Traditionally, lumbar support and seat belts were separate components in an externally mounted box, resulting in a complex and unsightly design.

[0003] Therefore, how to provide a lighter, more aesthetically pleasing, and more practical integrated lumbar support for rail transit safety belts is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0004] The purpose of this utility model is to provide a rail transit safety belt integrated with a lumbar support that is convenient for securing wheelchairs for disabled people, while also being lighter, more aesthetically pleasing, and more practical.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A rail transit safety belt integrated lumbar support includes:

[0007] The lumbar support body has an internal cavity and includes a first arc surface for leaning against.

[0008] The fixing frame assembly includes a first connecting post disposed at both ends of the lumbar support body and a second connecting post disposed within the cavity of the lumbar support body;

[0009] Mounting base, fixed to the inner wall of the vehicle, used to fix the first connecting post and the second connecting post;

[0010] The seat belt assembly is installed in the cavity of the lumbar support body, and includes a seat belt box and a seat belt rotatably installed in the seat belt box;

[0011] The seat belt holder is installed inside the cavity of the lumbar support body and is spaced apart from the seat belt assembly. The seat belt holder is used to secure the seat belt.

[0012] In one possible implementation, the mounting base includes:

[0013] A fixing nut, embedded in the inner wall of a vehicle;

[0014] The first fixing bolt is threadedly connected to the fixing nut;

[0015] The inner sleeve is fitted around the outer periphery of the first fixing bolt, and its outer side wall is provided with screw holes along its radial direction.

[0016] The outer sleeve is fitted around the outer periphery of the inner sleeve, and the outer sleeve has through holes corresponding to the screw holes.

[0017] In one possible implementation, both the first connecting post and the second connecting post are cylindrical structures, and their ends can be fitted onto the outer periphery of the outer sleeve. The first connecting post and the second connecting post are installed onto the mounting base by fixing screws.

[0018] In one possible implementation, the first connecting column is a bent structure, with a plunger fixedly installed at one end away from the mounting base. The plunger is used to thread a second fixing bolt. The second fixing bolt passes through the two end walls of the lumbar support body, and a first baffle is sleeved on the second fixing bolt. The first baffle is located in the cavity of the lumbar support body and is used to prevent the second fixing bolt from detaching from the lumbar support body.

[0019] In one possible implementation, two second connecting columns are provided, and a reinforcing brace connects the two second connecting columns.

[0020] In one possible implementation, a first bracket and a second bracket are fixedly mounted on the reinforcing support. The first bracket is used to install the seat belt assembly, and the second bracket is used to install the seat belt holder.

[0021] In one possible implementation, the lumbar support body further includes a reinforcing plate and a cover plate disposed within its cavity. The reinforcing plate has an arc-shaped structure and is fixedly connected to the inner wall of the first arc surface. The cover plate is connected to the opening of the cavity of the lumbar support body.

[0022] In one possible implementation, a second baffle is fixedly provided at the end of the second connecting column, and the second baffle is detachably connected to the inner wall of the reinforcing plate.

[0023] In one possible implementation, the inner wall of the reinforcing plate is provided with a limiting groove, and a third fixing bolt is engaged in the limiting groove. The third fixing bolt is connected to the second baffle.

[0024] In one possible implementation, the fixing screw is a tapered head screw, and the ends of the first and second connecting posts near the mounting base are provided with countersunk holes for receiving the fixing screw.

[0025] Compared to the aforementioned background technology, the present invention provides an integrated lumbar support for rail transit safety belts, comprising: a lumbar support body, a fixing frame assembly, a mounting base, a safety belt assembly, and a safety belt holder; the lumbar support body has an internal cavity and includes a first arc surface for leaning against; the fixing frame assembly includes a first connecting post disposed at both ends of the lumbar support body and a second connecting post disposed within the cavity of the lumbar support body; the mounting base is fixed to the inner wall of the vehicle for fixing the first and second connecting posts; the safety belt assembly is installed within the cavity of the lumbar support body and includes a safety belt box and a safety belt rotatably installed within the safety belt box; the safety belt holder is installed within the cavity of the lumbar support body and spaced apart from the safety belt assembly, and is used to engage the safety belt.

[0026] Specifically, the mounting base is first installed in a suitable position on the inner wall of the vehicle. Then, the lumbar support body is installed onto the mounting base via a fixing bracket assembly. Simultaneously, the seatbelt assembly and seatbelt holder are integrated into the lower cavity of the lumbar support body. In use, the seatbelt is pulled out and inserted into the seatbelt holder. After use, the seatbelt holder is pressed down, and the seatbelt is removed; the seatbelt automatically returns to the seatbelt box, at which point the seatbelt plug is in a naturally drooping position. This design not only makes the lumbar support more functional but also facilitates installation, has a compact structure, and conceals the seatbelt assembly and seatbelt holder, resulting in a more aesthetically pleasing overall appearance. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the integrated lumbar support structure of the rail transit safety belt provided in an embodiment of the present utility model;

[0029] Figure 2 for Figure 1 Another perspective structural diagram;

[0030] Figure 3 This is a cross-sectional view of the lumbar support structure during installation, provided in an embodiment of the present invention.

[0031] Figure 4 This is a schematic diagram of the main structure of the lumbar support provided in an embodiment of the present utility model;

[0032] Figure 5 This is a schematic diagram of the fixing frame assembly structure provided in an embodiment of the present utility model;

[0033] Figure 6 for Figure 5 Another perspective structural diagram;

[0034] Figure 7 This is a schematic diagram of the mounting base structure provided in an embodiment of the present utility model;

[0035] Figure 8 This is an exploded view of the mounting base structure provided in an embodiment of the present utility model;

[0036] Figure 9 This is a schematic diagram of the first connecting column structure provided in an embodiment of the present utility model.

[0037] in:

[0038] 100 - Lumbar support body, 110 - First arc surface, 120 - Reinforcing plate, 121 - Limiting groove, 122 - Third fixing bolt, 130 - Cover plate;

[0039] 200 - First connecting post, 210 - Piston, 220 - Second fixing bolt, 230 - First baffle;

[0040] 300 - Second connecting column, 310 - Reinforcing brace, 320 - First bracket, 330 - Second bracket, 340 - Second baffle;

[0041] 400 - Mounting base, 410 - Fixing nut, 420 - First fixing bolt, 430 - Inner sleeve, 440 - Outer sleeve, 450 - Fixing screw;

[0042] 500 - Seatbelt Assembly;

[0043] 600 - Seatbelt holder. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0045] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.

[0047] The purpose of this utility model is to provide an integrated lumbar support for rail transit safety belts, which integrates the safety belt and safety belt holder 600 inside the lumbar support. The safety belt adopts a plug-in method, and provides a hidden structure for the fastening point of the lumbar support and the vehicle body. The connecting part of the fixing screw 450 is hidden under the lumbar support, which is more aesthetically pleasing.

[0048] To achieve the above objectives, the present invention provides the following technical solution:

[0049] Please see Figures 1 to 9 This embodiment provides an integrated lumbar support for rail transit safety belts, including: a lumbar support body 100, a fixing frame assembly, a mounting base 400, a safety belt assembly 500, and a safety belt holder 600; the lumbar support body 100 has an internal cavity and includes a first arc surface 110 for leaning; the fixing frame assembly includes a first connecting post 200 disposed at both ends of the lumbar support body 100 and a second connecting post 300 disposed within the cavity of the lumbar support body 100; the mounting base 400 is fixed to the inner wall of the vehicle and is used to fix the first connecting post 200 and the second connecting post 300; the safety belt assembly 500 is installed within the cavity of the lumbar support body 100 and includes a safety belt box and a safety belt rotatably installed within the safety belt box; the safety belt holder 600 is installed within the cavity of the lumbar support body 100 and is spaced apart from the safety belt assembly 500, and is used to hold the safety belt.

[0050] Specifically, the mounting base 400 is first installed in a suitable position on the inner wall of the vehicle. Then, the lumbar support body 100 is installed on the mounting base through the fixing bracket assembly. At the same time, the seat belt assembly 500 and the seat belt holder 600 are integrated into the lower cavity of the lumbar support body 100. When in use, the seat belt is pulled out and inserted into the seat belt holder 600. After use, the seat belt holder 600 is pressed down and the seat belt is taken out. The seat belt automatically returns to the seat belt box. At this time, the seat belt plug is in a natural hanging state.

[0051] It should be noted that the number of mounting bases 400 needs to be set according to the number of the first connecting posts 200 and the second connecting posts 300 in the fixing frame assembly, and their installation positions also need to correspond to the connecting posts; the lumbar support body 100 is a hollow structure with an internal cavity, which reduces its overall weight and the load on the mounting bases 400 and the fixing frame assembly; moreover, the cross-section of the lumbar support body 100 is similar to a crescent shape, specifically as follows... Figure 4 As shown, during installation, the first arc surface 110 is located on the outside to facilitate passenger support, and the arc it forms faces inward to provide installation space for the seat belt assembly 500 and the seat belt holder 600. This allows the seat belt assembly 500 and the seat belt holder 600 to be well hidden after installation, making the lumbar support more aesthetically pleasing and practical.

[0052] Furthermore, in this embodiment, both the seat belt assembly 500 and the seat belt holder 600 are existing structures, meaning the seat belt is wrapped inside the seat belt box and always tends to retract. The plug at the end of the seat belt can prevent it from fully retracting into the seat belt box, and the plug can also be inserted into the seat belt holder 600 for locking. This will not be elaborated on further here. Of course, the two will be spaced a distance apart during installation to facilitate the binding of the seat belt. In order to make the lumbar support more aesthetically pleasing, a hook can be installed at a suitable position on the lower side of the lumbar support body 100 to hook the plug at the end of the seat belt and prevent it from sagging naturally and damaging the integrity of the lumbar support.

[0053] This design not only makes the lumbar support more functional, but also makes it easy to install and compact. The seat belt assembly 500 and seat belt holder 600 are not exposed, making the lumbar support more aesthetically pleasing and practical overall.

[0054] In one possible implementation, the mounting base 400 includes: a fixing nut 410, a first fixing bolt 420, an inner sleeve 430, and an outer sleeve 440; the fixing nut 410 is embedded in the inner wall of the vehicle; the first fixing bolt 420 is threadedly connected to the fixing nut 410; the inner sleeve 430 is sleeved on the outer periphery of the first fixing bolt 420, and its outer side wall is provided with screw holes along its radial direction; the outer sleeve 440 is sleeved on the outer periphery of the inner sleeve 430, and the outer sleeve 440 is provided with through holes corresponding to the screw holes.

[0055] Specifically, such as Figure 7 and Figure 8As shown, the fixing nut 410 is first installed at a suitable position on the inner wall of the vehicle. Then, the inner sleeve 430 is fitted onto the outer periphery of the first fixing bolt 420. The first fixing bolt 420 is then screwed onto the fixing nut 410. In this way, the inner sleeve 430 is confined between the inner wall of the vehicle and the bolt head of the first fixing bolt 420, and the inner sleeve 430 cannot be detached from the first fixing nut 410. At the same time, the inner sleeve 430 also has a screw hole on its side wall. The screw hole is radially arranged for subsequent screw connection of the fixing bracket assembly. Furthermore, an outer sleeve 440 is also fitted onto the outer periphery of the inner sleeve 430. The inner diameter of the outer sleeve 440 is exactly equal to the outer diameter of the inner sleeve 430, and its axial length is just enough to ensure that it completely covers the outer periphery of the inner sleeve 430 and the first fixing bolt 420. The outer sleeve 440 is only open at one end, which makes the mounting base 400 more compact overall.

[0056] Furthermore, in this embodiment, both the first connecting post 200 and the second connecting post 300 are preferably cylindrical structures, and their ends can be fitted onto the outer periphery of the outer sleeve 440. The first connecting post 200 and the second connecting post 300 are installed onto the mounting base 400 by fixing screws 450.

[0057] In this embodiment, the inner diameters of the first connecting post 200 and the second connecting post 300 are matched with the outer diameter of the outer sleeve 440. That is, the two can be fitted onto the outer circumference of the outer sleeve 440 without wobbling. After the first connecting post 200 and the second connecting post 300 are connected, the fixing screw 450 passes through the screw hole of the first connecting post 200 or the second connecting post 300 and the outer sleeve 440 to connect to the screw hole of the inner sleeve 430, thus completing the fixing of the first connecting post 200 and the second connecting post 300.

[0058] Of course, in this embodiment, in order to improve the overall integrity of the lumbar support, the screw holes on the inner sleeve 430 are set to face downwards. Correspondingly, the holes on the outer sleeve 440 and the connecting column are also set to face downwards. In this way, after the lumbar support is installed, its fasteners, namely the fixing screws 450, will be exposed at the bottom, which has an aesthetic effect.

[0059] In one possible implementation, the first connecting post 200 has a bent structure, and a plunger 210 is fixedly installed at one end away from the mounting base 400. The plunger 210 is used to thread a second fixing bolt 220. The second fixing bolt 220 passes through the two end walls of the lumbar support body 100, and a first baffle 230 is sleeved on the second fixing bolt 220. The first baffle 230 is located in the cavity of the lumbar support body 100 and is used to restrict the second fixing bolt 220 from disengaging from the lumbar support body 100.

[0060] Specifically, such as Figure 9As shown, the first connecting post 200 has an overall L-shaped bent structure, with one end connected to the lumbar support body 100 and the other end connected to the mounting base 400. Specifically, a plunger 210 is fixed to the end facing away from the mounting base 400. The fixing method can be welding or other methods. A threaded hole is provided in the middle of the plunger 210. The first baffle 230 is first passed through the second fixing bolt 220, and then it passes through the cavity of the lumbar support body 100. That is, the first baffle 230 and the bolt head are left in the cavity of the lumbar support body 100. The stud passes through the holes at both ends of the lumbar support body 100 and is screwed into the plunger 210 to complete the connection of the first connecting post 200. In this embodiment, the two ends of the lumbar support body 100 are symmetrically arranged.

[0061] In one possible implementation, two second connecting posts 300 are provided, and a reinforcing brace 310 is connected between the two second connecting posts 300.

[0062] Understandably, in order to enhance the stability of the lumbar support body 100, it is equipped with two second connecting columns 300, and a reinforcing brace 310 is provided between the two, which can increase the overall strength of the lumbar support.

[0063] In one possible implementation, a first bracket 320 and a second bracket 330 are fixedly provided on the reinforcing support 310. The first bracket 320 is used to install the seat belt assembly 500, and the second bracket 330 is used to install the seat belt holder 600.

[0064] In this embodiment, specifically as follows: Figure 5 and Figure 6 As shown, in this embodiment, a first bracket 320 and a second bracket 330 are vertically connected to the reinforcing support 310. The connection method can be welding. Through holes are provided on the top of the first bracket 320 and the second bracket 330 to facilitate the installation of the seat belt assembly 500 or the seat belt holder 600.

[0065] It should be noted that the top mounting surfaces of the first bracket 320 and the second bracket 330 are slightly tilted to facilitate adjustment of the angle of the seat belt assembly 500 or the seat belt holder 600, making the insertion and removal of the seat belt smoother. The size of this angle can be adjusted as needed, and no specific limitation is made here.

[0066] In one possible implementation, the lumbar support body 100 further includes a reinforcing plate 120 and a cover plate 130 disposed in its cavity. The reinforcing plate 120 has an arc-shaped structure and is fixedly connected to the inner wall of the first arc surface 110. The cover plate 130 is connected to the opening of the cavity of the lumbar support body 100.

[0067] Understandably, the lumbar support body 100 will bear a lot of pressure when a passenger leans against it. In order to prevent the first arc surface 110 of the lumbar support body 100 from deforming, in this embodiment, a reinforcing plate 120 that matches its shape is provided on the inner side wall of the first arc surface 110. The connection between the two can be welding or other connection methods. Moreover, for the overall aesthetics of the lumbar support, in this embodiment, a cover plate 130 is also provided at the opening of the cavity of the lumbar support body 100. Of course, the cover plate 130 must also avoid the seat belt assembly 500 and the seat belt holder 600. The cover plate 130 can be connected by bolts.

[0068] In one possible implementation, a second baffle 340 is fixedly provided at the end of the second connecting column 300, and the second baffle 340 is detachably connected to the inner wall of the reinforcing plate 120.

[0069] Furthermore, the inner wall of the reinforcing plate 120 is provided with a limiting groove 121, and a third fixing bolt 122 is engaged in the limiting groove 121. The third fixing bolt 122 is connected to the second baffle 340.

[0070] Specifically, such as Figures 3 to 6 As shown, in this embodiment, the second connecting column 300 is also a bent structure, with a second baffle 340 fixedly connected to the end opposite to the installation. Meanwhile, a limiting groove 121 is provided on the inner wall of the reinforcing plate 120. The bolt head of the third fixing bolt 122 is engaged in the limiting groove 121. The bolt can pass through the second baffle 340 and be connected to the second connecting column 300 and the reinforcing plate 120 by a nut.

[0071] In one possible implementation, the fixing screw 450 is a tapered head screw, and the ends of the first connecting post 200 and the second connecting post 300 near the mounting base 400 are provided with countersunk holes for receiving the fixing screw 450.

[0072] Understandably, in order to hide the fixing screw 450 of the lumbar support, in this embodiment, a countersunk hole with a conical structure is provided at the end of the through hole for the screw to pass through in the first connecting post 200 and the second connecting post. Similarly, the fixing screw 450 is preferably a conical head screw with a conical head structure. In this way, after the fixing screw 450 is connected, its head will be hidden in the countersunk hole, thereby making the lumbar support more beautiful and practical.

[0073] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0074] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0075] The embodiments provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A lumbar support integrated with a rail transit safety belt, characterized in that, include: The lumbar support body (100) has a cavity inside, and the lumbar support body (100) includes a first arc surface (110) for leaning against. The fixing frame assembly includes a first connecting post (200) disposed at both ends of the lumbar support body (100) and a second connecting post (300) disposed in the cavity of the lumbar support body (100). Mounting base (400) is fixed to the inner wall of the vehicle and is used to fix the first connecting post (200) and the second connecting post (300). A seat belt assembly (500) is installed in the cavity of the lumbar support body (100), and includes a seat belt box and a seat belt rotatably installed in the seat belt box; A seat belt holder (600) is installed in the cavity of the lumbar support body (100) and spaced apart from the seat belt assembly (500). The seat belt holder (600) is used to hold the seat belt.

2. The integrated lumbar support for rail transit safety belts according to claim 1, characterized in that, The mounting base (400) includes: A fixing nut (410) is embedded in the inner wall of the vehicle; The first fixing bolt (420) is threadedly connected to the fixing nut (410); The inner sleeve (430) is fitted around the outer periphery of the first fixing bolt (420), and its outer side wall is provided with screw holes along its radial direction; The outer sleeve (440) is fitted around the outer periphery of the inner sleeve (430), and the outer sleeve (440) is provided with a through hole corresponding to the screw hole.

3. The integrated lumbar support for rail transit safety belts according to claim 2, characterized in that, Both the first connecting post (200) and the second connecting post (300) are cylindrical structures, and their ends can be fitted onto the outer periphery of the outer sleeve (440). The first connecting post (200) and the second connecting post (300) are installed onto the mounting base (400) by fixing screws (450).

4. The integrated lumbar support for rail transit safety belts according to claim 3, characterized in that, The first connecting column (200) has a bent structure, and a plunger (210) is fixedly installed at one end away from the mounting base (400). The plunger (210) is used to thread a second fixing bolt (220). The second fixing bolt (220) passes through the two end walls of the lumbar support body (100), and a first baffle (230) is sleeved on the second fixing bolt (220). The first baffle (230) is located in the cavity of the lumbar support body (100), and the first baffle (230) is used to restrict the second fixing bolt (220) from detaching from the lumbar support body (100).

5. The integrated lumbar support for rail transit safety belts according to claim 1, characterized in that, There are two second connecting columns (300), and a reinforcing brace (310) connects the two second connecting columns (300).

6. The integrated lumbar support for rail transit safety belts according to claim 5, characterized in that, The reinforcing support (310) is fixedly provided with a first bracket (320) and a second bracket (330). The first bracket (320) is used to install the seat belt assembly (500), and the second bracket (330) is used to install the seat belt holder (600).

7. The integrated lumbar support for rail transit safety belts according to claim 1, characterized in that, The lumbar support body (100) also includes a reinforcing plate (120) and a cover plate (130) disposed in its cavity. The reinforcing plate (120) is an arc-shaped structure and is fixedly connected to the inner wall of the first arc surface (110). The cover plate (130) is connected to the opening of the cavity of the lumbar support body (100).

8. The integrated lumbar support for rail transit safety belts according to claim 7, characterized in that, A second baffle (340) is fixedly provided at the end of the second connecting column (300), and the second baffle (340) is detachably connected to the inner wall of the reinforcing plate (120).

9. The integrated lumbar support for rail transit safety belts according to claim 8, characterized in that, The inner wall of the reinforcing plate (120) is provided with a limiting groove (121), and a third fixing bolt (122) is engaged in the limiting groove (121). The third fixing bolt (122) is connected to the second baffle (340).

10. The integrated lumbar support for rail transit safety belts according to claim 3, characterized in that, The fixing screw (450) is a tapered head screw, and the first connecting post (200) and the second connecting post (300) are provided with countersunk holes for accommodating the fixing screw (450) at the ends near the mounting base (400).

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