A through-hole torsion bar spring mounting structure which can be disassembled and repaired on a vehicle

Abstract

The application provides a through-hole torsion bar spring mounting structure which can be disassembled and maintained on a vehicle, comprising two guide beam mounting seats, a guide beam and the guide beam mounting seat being connected through a plug shaft; a first opening cavity is formed in the side wall of the guide beam mounting seat, a second opening cavity is formed in the head end of the plug shaft, and the first opening cavity and the second opening cavity are used for placing the end of the torsion bar spring; the first opening cavity and the second opening cavity are provided with side baffles and positioning sleeves for fixing the end of the torsion bar spring. The application can realize the horizontal removal of the torsion bar spring after the positioning sleeve and the side baffles are disassembled on the vehicle, and the torsion bar spring can be directly taken out horizontally without being twisted, so that the torsion bar spring can be disassembled flexibly on the vehicle.

Description

Technical Field

[0001] This invention relates to the field of through-passage torsion bar spring installation technology, and more specifically to a through-passage torsion bar spring installation structure that can be disassembled and repaired on a vehicle. Background Technology

[0002] The through passage system is an important component of subway cars, connecting adjacent carriages. It is a flexible and movable part of the vehicle, providing passengers with a safe and comfortable passage. The torsion bar springs on the guide beams are important moving parts of the through passage, guiding the rotation, compression, and tension of the through passage side panels.

[0003] The existing through-passage guide beam uses two torsion springs that apply torque to each other, assembled onto the guide beam structure during the product manufacturing stage. When a vehicle passes through a curve, the through-passage side guard plate rotates, stretches, or compresses. The interaction force of the two torsion springs guides the movement trajectory of the side guard plate and provides a restoring force to help the side guard plate return to its normal state after the vehicle returns to a straight section. The two torsion springs are arranged crosswise, with each end connected to the guide beam mounting base.

[0004] During the operation of subway vehicles, the torsion springs on the guide beams, as elastic elements, require frequent maintenance. Furthermore, the torsion springs have a unique structure, with L-shaped through slots at both ends. Existing solutions require the torsion springs to be rotated along a specific trajectory to be removed from their mounting holes, due to their structural characteristics. However, the limited space within the vehicle body prevents this operation. The only option is to disassemble the entire guide beam and perform maintenance and replacement under the vehicle. This process incurs significant time and labor costs due to issues with storing the through-passage side guard plate (46kg) and transporting and reinstalling the guide beam (42kg). Summary of the Invention

[0005] To address the aforementioned technical issues, a through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle is provided.

[0006] The technical means employed in this invention are as follows:

[0007] A through-channel torsion bar spring mounting structure that can be disassembled and repaired on a vehicle includes two guide beam mounting seats that are fixed to the vehicle body and are symmetrically arranged. The two sides of the guide beams are respectively connected to the guide beam mounting seats through insert shafts.

[0008] The guide beam mounting base has a first opening on its side wall and a second opening at the head end of the insertion shaft. The first and second openings are used to place the end of the torsion bar spring.

[0009] The two torsion bar springs are arranged in a cross configuration, with the two ends of one torsion bar spring respectively installed in the first opening on one side and the second opening on the other side, and the two ends of the other torsion bar spring respectively installed in the second opening on one side and the first opening on the other side.

[0010] The guide beam is mounted at the first opening and has a side baffle. The side baffle is fixedly connected to the guide beam mounting via a first fastener, thereby fixing the end of the torsion bar spring inside the first opening.

[0011] A positioning sleeve is provided at the plug of the insert shaft. The positioning sleeve is fixedly connected to the head end of the insert shaft by a second fastener, thereby fixing the end of the torsion bar spring inside the second opening.

[0012] Furthermore, the tail end of the insert shaft has a cotter pin that passes radially through the insert shaft.

[0013] Furthermore, the side baffle has a groove on the side near the first opening that is adapted to the first opening, and the first opening and the groove, when combined, are adapted to the end of the torsion bar spring.

[0014] Furthermore, the first fastener is a bolt.

[0015] Furthermore, the second fastener is a set screw.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] This invention, by providing a first opening on the guide beam mounting seat and a second opening on the insert shaft, allows for the direct horizontal removal of the torsion bar spring after the positioning sleeve and side baffle are disassembled on the vehicle. Installation and disassembly are extremely convenient, requiring no off-vehicle maintenance. It can be directly removed laterally without twisting, enabling flexible disassembly of the torsion bar spring on the vehicle.

[0018] Based on the above reasons, this invention can be widely applied in fields such as torsion bar spring replacement. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1This is a schematic diagram of a through-channel torsion bar spring mounting structure that can be disassembled and repaired on a vehicle according to the present invention (with the guide beam retained).

[0021] Figure 2 This is a schematic diagram of a through-channel torsion bar spring mounting structure that can be disassembled and repaired on a vehicle according to the present invention (with the guide beam removed).

[0022] Figure 3 This is a three-dimensional view of the guide beam mounting base of the present invention.

[0023] Figure 4 This is a side view of the guide beam mounting base of the present invention.

[0024] Figure 5 for Figure 4 Sectional view along the AA direction.

[0025] Figure 6 This is a cross-sectional view of the connection between the insert shaft and the guide beam mounting base of the present invention. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0029] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0030] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0031] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0032] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0033] like Figures 1-6As shown, a through-channel torsion bar spring mounting structure that can be disassembled and repaired on a vehicle includes two guide beam mounting seats 1 that are fixed to the vehicle body and symmetrically arranged. The two sides of the guide beam 2 are respectively connected to the guide beam mounting seats 1 through the insert shaft 3, and the tail end of the insert shaft 3 has a cotter pin 4 that radially passes through the insert shaft 3.

[0034] The guide beam mounting base 1 has a first opening on its side wall, and the insertion shaft 3 has a second opening 31 at its head end. The first opening and the second opening 31 are used to place the end of the torsion bar spring 5.

[0035] The two torsion bar springs 5 ​​are arranged in a cross manner, with the two ends of one torsion bar spring 5 respectively installed in the first opening 11 located on one side and the second opening 31 located on the other side, and the two ends of the other torsion bar spring 5 respectively installed in the second opening 31 located on one side and the first opening 11 located on the other side.

[0036] The guide beam mounting base 1 has a side baffle 12 at the first opening, and the side baffle 12 is fixedly connected to the guide beam mounting base 1 by bolts 13, fixing the end of the torsion bar spring 5 inside the first opening 11; the side baffle 12 has a groove that matches the first opening 11 on the side near the first opening 11, and the first opening 11 and the groove are combined to match the end of the torsion bar spring 5.

[0037] A positioning sleeve 32 is provided at the plug of the insert shaft 3. The positioning sleeve 32 is fixedly connected to the head end of the insert shaft 3 by a set screw 33, thereby fixing the end of the torsion bar spring 5 inside the second opening 31.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle, characterized in that, It includes two guide beam mounting seats that are fixed to the vehicle body and are symmetrically arranged, with the two sides of the guide beams connected to the guide beam mounting seats via insert shafts; The guide beam mounting base has a first opening on its side wall and a second opening at the head end of the insertion shaft. The first and second openings are used to place the end of the torsion bar spring. The two torsion bar springs are arranged in a cross configuration, with the two ends of one torsion bar spring respectively installed in the first opening on one side and the second opening on the other side, and the two ends of the other torsion bar spring respectively installed in the second opening on one side and the first opening on the other side. The guide beam is mounted at the first opening and has a side baffle. The side baffle is fixedly connected to the guide beam mounting via a first fastener, thereby fixing the end of the torsion bar spring inside the first opening. A positioning sleeve is provided at the plug of the insert shaft. The positioning sleeve is fixedly connected to the head end of the insert shaft by a second fastener, thereby fixing the end of the torsion bar spring inside the second opening.

2. The through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle according to claim 1, characterized in that, The tail end of the insert has a cotter pin that passes radially through the insert.

3. The through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle according to claim 1, characterized in that, The side baffle has a groove on the side near the first opening that matches the first opening. The first opening and the groove, when combined, match the end of the torsion bar spring.

4. The through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle according to claim 1, characterized in that, The first fastener is a bolt.

5. The through-channel torsion bar spring mounting structure that can be disassembled and inspected on a vehicle according to claim 1, characterized in that, The second fastener is a set screw.

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