A rear air spring assembly positioning structure and rear air spring assembly

Abstract

The utility model discloses a rear air spring assembly positioning structure, including the rotation cover and rear air spring main body that can rotate oppositely, the rotation cover is detachable fixed with rear air spring main body through at least one positioning pin, and the positioning pin one end can be inserted into the rotation cover circumference, and the positioning pin other end can be inserted into the air cock on rear air spring main body. In the utility model, through the setting of positioning pin, the positioning pin one end can be matched with the rotation cover's circumference gap, and the other end of positioning pin is inserted with the air cock, thereby can realize the relative fixation of rotation cover and rear air spring main body, guarantees the relative fixation of the upper installation mouth on the rotation cover and rear air spring main body upper and lower installation mouth when rear air spring assembly is assembled with whole vehicle, thereby has met the assembly demand of rear air spring assembly and whole vehicle.

Description

Technical Field

[0001] This utility model relates to the field of air spring technology, and more specifically to a rear air spring assembly positioning structure and a rear air spring assembly. Background Technology

[0002] In recent years, with the development of the automotive industry and the popularization of new energy vehicles, the application scenarios of automotive air suspension systems have become increasingly widespread, among which air springs are one of the key components of air suspension.

[0003] During vehicle operation, due to excessive torsional angle, the rear air spring assembly incorporates a planar bearing structure to release the torsion of the air spring and ensure the durability of the air spring bladder. However, the presence of the planar bearing allows relative rotation between the upper and lower structures of the air spring, resulting in the upper mounting interface of the upper structure and the lower mounting interface of the lower structure being unstable. This makes it impossible to ensure that the upper and lower mounting interfaces are in a relatively fixed state when the air spring is assembled with the vehicle, thus hindering proper assembly. Utility Model Content

[0004] The technical problem to be solved by this utility model is how to ensure that the upper mounting interface and the lower mounting interface are relatively fixed during vehicle assembly.

[0005] This utility model solves the above-mentioned technical problems through the following technical means: a rear air spring assembly positioning structure, including a rotating cover and a rear air spring body that can rotate relative to each other, the rotating cover being detachably fixed to the rear air spring body by at least one positioning pin, one end of the positioning pin being able to penetrate into the circumference of the rotating cover, and the other end of the positioning pin being able to penetrate into the air nozzle on the rear air spring body.

[0006] As a preferred technical solution, the positioning pin includes a first connecting section, a second connecting section, and a third connecting section. One end of the second connecting section is fixedly connected to the first connecting section, and the other end is fixedly connected to the third connecting section. The first connecting section is inserted and fixedly connected to the rotating cover, and the third connecting section is inserted and fixedly connected to the air nozzle sealing ring.

[0007] As a preferred technical solution, the second connecting segment is fixed perpendicularly to both the first connecting segment and the third connecting segment.

[0008] As a preferred technical solution, the free end of the first connecting section extends toward the rotating cover and forms a boss, and the free end of the third connecting section extends toward the air nozzle side and forms a protrusion.

[0009] As a preferred technical solution, the rotating cover has a notch that matches one end of the positioning pin, and the air nozzle has an air nozzle sealing ring that matches the other end of the positioning pin.

[0010] As a preferred technical solution, the locating pin is provided with a material reduction groove.

[0011] As a preferred technical solution, the rear air spring body includes a piston, and the rotating cover is rotatably connected to the piston via a plane bearing.

[0012] As a preferred technical solution, the rotating cover is provided with at least one snap fastener in the circumferential direction and is fastened to the outer side of the top of the piston by the snap fastener.

[0013] As a preferred technical solution, a mounting base is fixedly connected to the end of the piston away from the rotating cover. The mounting base is provided with a lower mounting port, and the top of the rotating cover is provided with an upper mounting port.

[0014] As a preferred technical solution, the first connecting section, the second connecting section, and the third connecting section are integrally formed structures.

[0015] This utility model also provides a rear air spring assembly, including the above-mentioned rear air spring assembly positioning structure.

[0016] The beneficial effects of this utility model are as follows:

[0017] (1) In this utility model, by setting the positioning pin, one end of the positioning pin can be matched with the circumferential clearance of the rotating cover, and the other end of the positioning pin is inserted into the air nozzle, thereby realizing the relative fixation of the rotating cover and the rear air spring body, ensuring that the upper mounting port on the rotating cover and the upper and lower mounting ports of the rear air spring body are relatively fixed when the rear air spring assembly is assembled with the vehicle, thereby meeting the assembly requirements of the rear air spring assembly and the vehicle. Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0019] Figure 2 Provided for the embodiments of this utility model Figure 1 A partially enlarged structural diagram;

[0020] Figure 3 A schematic diagram of the positioning pin structure provided for an embodiment of this utility model;

[0021] Figure 4 A schematic diagram of the rotating cover structure provided in an embodiment of this utility model;

[0022] Figure 5 A schematic diagram of the planar bearing structure provided for an embodiment of this utility model;

[0023] Figure 6 A schematic diagram of the air nozzle structure provided in an embodiment of this utility model;

[0024] Figure 7 A schematic diagram of the piston structure provided for an embodiment of this utility model;

[0025] Figure 8 A schematic diagram of the mounting base structure provided in an embodiment of this utility model;

[0026] Reference numerals: 1. Rotating cover; 11. Snap fastener; 12. Notch; 13. Upper mounting port; 2. Surface bearing; 3. Piston; 4. Air nozzle; 41. Air nozzle sealing ring; 5. Positioning pin; 51. Boss; 52. Columnar block; 53. Connecting block; 54. Material reduction groove; 6. Mounting base; 61. Lower mounting port. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] Example 1

[0029] See Figure 1 A rear air spring assembly positioning structure includes a rotating cover 1 and a rear air spring body that can rotate relative to each other. The rotating cover 1 is detachably fixed to the rear air spring body by at least one positioning pin 5. One end of the positioning pin 5 can be inserted into the circumference of the rotating cover 1 and is clearance-fitted with the rotating cover 1. The other end of the positioning pin 5 can be inserted into the air nozzle 4 on the rear air spring body. This ensures that the upper mounting port 13 on the rotating cover 1 and the lower mounting port 61 on the rear air spring body are relatively fixed when the rear air spring assembly is assembled with the vehicle. This achieves the relative fixation of the rotating cover 1 and the rear air spring body, thereby meeting the assembly requirements of the rear air spring assembly with the vehicle.

[0030] See Figure 2 , Figure 3 The positioning pin 5 has a three-section structure, including a first connecting section, a second connecting section, and a third connecting section. One end of the second connecting section is fixedly connected to the first connecting section, and the other end is fixedly connected to the third connecting section. The first connecting section is inserted and fixedly connected to the rotating cover 1, and the third connecting section is inserted and fixedly connected to the air nozzle sealing ring 41 of the air nozzle 4. In this embodiment, the second connecting section is vertically fixed to the first connecting section and the third connecting section respectively. The second connecting section is a vertical section, and the first connecting section and the third connecting section are both horizontal sections. Of course, the first connecting section can also be inclined.

[0031] The free end of the first connecting segment extends toward the rotating cover 1 and forms a boss 51. The free end of the third connecting segment extends toward the air nozzle 4 and forms a protrusion. In this embodiment, the protrusion is a cylindrical block 52, but it can also be other shapes. The rotating cover 1 has a notch 12 that matches the boss 51. The notch 12 can be trumpet-shaped, rectangular, circular, or other shapes. (See reference...) Figure 4 The air nozzle 4 is provided with an air nozzle sealing ring 41 that is adapted to the protrusion.

[0032] See Figure 3 The second connecting section is the connecting block 53, and the positioning pin 5 is also provided with a material reduction groove 54. In this embodiment, the material reduction groove 54 is provided on the connecting block 53, but it can also be provided on the first connecting section and the third connecting section.

[0033] It should be noted that the positioning pin 5 can be a one-piece molded structure, that is, the first connecting section, the second connecting section, and the third connecting section are one-piece molded structures. After the complete air spring assembly is assembled into the vehicle, the positioning pin 5 is removed, and the air pipe on the vehicle is inserted into the air valve 4 through the air valve sealing ring 41.

[0034] See Figure 5 , Figure 7 , Figure 8 The rear air spring body includes a piston 3 and a mounting seat 6. The piston 3 is rotatably connected to the rotating cover 1 through a plane bearing 2. The outer ring of the plane bearing 2 is fixed to the rotating cover 1, and the inner ring of the plane bearing is fixed to the top of the piston 3. Alternatively, the inner ring of the plane bearing 2 can be fixed to the rotating cover 1, and the outer ring of the plane bearing can be fixed to the top of the piston 3. The outer edge of the top of the piston 3 extends laterally away from the outer wall of the piston 3 to form a connecting platform. The connecting platform provides installation space for the plane bearing 2. The end of the piston 3 away from the rotating cover 1 is fixedly connected to the mounting seat 6, and the mounting seat 6 is provided with a lower mounting port 61.

[0035] See Figure 4 The top of the rotating cover 1 is provided with an upper mounting port 13. At least one buckle 11 is provided around the rotating cover 1. The rotating cover 1 is fastened to the outer side of the top of the piston 3 by the buckle 11. The buckle 11 serves as a vertical limit for the rotating cover 1 to prevent it from falling off the top of the piston 3, but can meet the rotation requirements of the rotating cover 1 and the piston 3.

[0036] Example 2

[0037] The difference between this embodiment and Embodiment 1 is that this embodiment provides a rear air spring assembly including the rear air spring assembly positioning structure in Embodiment 1.

[0038] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model 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 of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A positioning structure for a rear air spring assembly, comprising a rotatable cover and a rear air spring body, characterized in that, The rotating cover is detachably fixed to the rear air spring body by at least one locating pin. One end of the locating pin can be inserted into the circumference of the rotating cover, and the other end of the locating pin can be inserted into the air nozzle on the rear air spring body.

2. The rear air spring assembly positioning structure according to claim 1, characterized in that, The positioning pin includes a first connecting section, a second connecting section, and a third connecting section. One end of the second connecting section is fixedly connected to the first connecting section, and the other end is fixedly connected to the third connecting section. The first connecting section is inserted and fixedly connected to the rotating cover, and the third connecting section is inserted and fixedly connected to the air nozzle sealing ring.

3. The rear air spring assembly positioning structure according to claim 2, characterized in that, The second connecting segment is fixed perpendicularly to both the first and third connecting segments.

4. A rear air spring assembly positioning structure according to claim 2, characterized in that, The free end of the first connecting section extends toward the rotating cover and forms a boss, while the free end of the third connecting section extends toward the air nozzle side and forms a protrusion.

5. A rear air spring assembly positioning structure according to claim 1, characterized in that, The rotating cover has a notch that matches one end of the positioning pin, and the air nozzle has a sealing ring that matches the other end of the positioning pin.

6. A rear air spring assembly positioning structure according to claim 1, characterized in that, The locating pin has a material reduction groove.

7. A rear air spring assembly positioning structure according to claim 1, characterized in that, The rear air spring body includes a piston, and the rotating cover is rotatably connected to the piston via a plane bearing.

8. A rear air spring assembly positioning structure according to claim 1, characterized in that, The rotating cover has at least one snap fastener around its circumference and is fastened to the outside of the piston top by the snap fastener.

9. A rear air spring assembly positioning structure according to claim 7, characterized in that, The piston is fixedly connected to a mounting base at the end away from the rotating cover. The mounting base has a lower mounting port, and the top of the rotating cover has an upper mounting port.

10. A rear air spring assembly, characterized in that, Includes the rear air spring assembly positioning structure as described in any one of claims 1-9.

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