Automobile corrugated pipe convenient to disassemble and assemble

By designing the installation mechanism and buffer mechanism in the automotive corrugated pipe, the complex and deformation problems of bellows installation and disassembly are solved, and more efficient operation and longer service life are achieved.

CN222759854UActive Publication Date: 2025-04-15ZHEJIANG WEISIFALI MASCH TECH CORP LTD
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Patent Information

Application Number
CN202421051090.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-04-15
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing automotive corrugated pipes are complicated to operate during installation and disassembly, time-consuming and labor-intensive, and are prone to deformation due to vibration and bending during use, affecting their service life.

Method used

A car corrugated pipe that is convenient for disassembly is designed, using an installation mechanism and a buffer mechanism. The installation mechanism realizes synchronous rotation and fixation of multiple groups of external threads through the coordination of the rotating ring and rack tooth block; the buffer mechanism provides elastic protection through the hinge of the scroll spring and the connecting rod.

Benefits of technology

The installation and disassembly of bellows is simplified, the operating time and effort is reduced, the working efficiency is improved, and the bellows are protected from excessive bending and deformation through a buffer mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of automobile corrugated pipes, and discloses an automobile corrugated pipe convenient to disassemble and assemble, which comprises a pipe body, the outer walls of the two sides of the pipe body are fixedly connected with mounting seats, the inner side walls of the mounting seats are fixedly connected with four groups of fixing blocks, and the inner walls of the four groups of fixing blocks are provided with buffer mechanisms. A mounting mechanism is arranged on the inner wall of the mounting seat, the mounting mechanism comprises a rotating ring, a plurality of groups of racks are fixedly connected to the side wall of the inner side of the rotating ring, an empty groove is formed in the inner wall of the rotating ring, a tooth block is slidably connected to the inner wall of the empty groove, and an external thread is formed in the surface of the tooth block. According to the utility model, the hole site of the mounting seat is aligned with the mounting hole site of the engine position, and through the rotation of the rotating ring, the plurality of groups of racks are meshed with the tooth block to drive the external threads at the bottom end of the tooth block to rotate, so that the plurality of groups of external threads synchronously rotate to be fixedly connected with the engine position, and the bolt does not need to be rotated for multiple times for mounting.
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Description

Technical Field

[0001] The utility model relates to the field of automobile bellows, in particular to an automobile bellows which is convenient to disassemble and assemble. Background Art

[0002] The automobile bellows is an important component used in the automobile exhaust system. It is also commonly called the exhaust pipe bellows, exhaust pipe soft joint or exhaust pipe flexible connector. Its main function is to absorb vibration and cool the exhaust gas.

[0003] Most of the existing automobile bellows are installed through a mounting seat set at the front end during installation. Multiple bolts need to be tightened separately during installation or removal, and the operation process is relatively complicated, resulting in time-consuming and labor-intensive installation and removal. When the automobile bellows fails and needs to be repaired, it takes a long time to remove the automobile bellows, which affects work efficiency. When the automobile bellows is in use, the automobile bellows may bend due to vibration during driving, resulting in excessive deformation of the bellows after extrusion. Long-term use may cause deformation inside the automobile bellows. Therefore, an automobile bellows that is easy to disassemble and assemble is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an automobile bellows that is easy to disassemble and assemble, aiming to improve the problem in the prior art that multiple bolts need to be screwed separately during installation or disassembly.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automobile corrugated pipe that is easy to disassemble and assemble, comprising a tube body, the outer walls on both sides of the tube body are fixedly connected with mounting seats, the inner side walls of the mounting seats are fixedly connected with four groups of fixing blocks, the inner walls of the four groups of fixing blocks are provided with buffer mechanisms, the inner wall of the mounting seat is provided with a mounting mechanism, the mounting mechanism comprises a swivel, the inner side walls of the swivel are fixedly connected with multiple groups of racks, the inner wall of the swivel is provided with an empty groove, the inner wall of the empty groove is slidably connected with a tooth block, and the surface of the tooth block is provided with an external thread.

[0006] As a further description of the above technical solution:

[0007] The buffer mechanism comprises a connecting rod B, the inner wall of the connecting rod B is elastically connected to a rotating block via a spiral spring, and the bottom end of the outer wall of the rotating block is fixedly connected to the connecting rod A.

[0008] As a further description of the above technical solution:

[0009] The outer wall of the tooth block is meshed with the toothed rack.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the tooth block is meshed with the toothed rack.

[0012] As a further description of the above technical solution:

[0013] One end of the connecting rod A away from the rotating block is hinged to the inner wall of the fixed block.

[0014] As a further description of the above technical solution:

[0015] The rotating block is rotatably connected to the inner wall of the connecting rod B.

[0016] As a further description of the above technical solution:

[0017] One end of the spiral spring is fixedly connected to the inner wall of the connecting rod B, and the other end of the spiral spring is fixedly connected to the surface of the rotating block.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, by providing a mounting mechanism, when installing the automobile bellows, the hole position of the mounting seat is aligned with the mounting hole position of the engine position, and the rotating ring is rotated to allow multiple sets of rack meshing gear blocks to drive the bottom end external threads to rotate, so that the multiple sets of external threads are rotated synchronously and connected and fixed to the engine, without rotating the bolts multiple times for installation.

[0020] 2. In the utility model, a buffer assembly is provided and a volute spring is added between the connecting rod A and the connecting rod B, thereby increasing elastic protection for the automobile bellows as a whole. The elastic protection can help the bellows to return to its original shape after being bent or subjected to stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a main body stereoscopic schematic diagram of an automobile bellows that is convenient for disassembly and assembly proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the swivel, mounting seat and gear block of a car bellows that is convenient for disassembly and assembly proposed by the utility model in the separated state;

[0023] Figure 3 This is a partial cross-sectional structural diagram of a connecting rod B of an automobile bellows that is convenient for disassembly and assembly proposed by the utility model;

[0024] Figure 4 The utility model provides a convenient disassembly and assembly of the automobile bellows Figure 3 A schematic diagram of the enlarged structure of part A.

[0025] Legend:

[0026] 1. Tube body; 2. Mounting seat; 3. Mounting mechanism; 31. Swivel; 32. Rack; 33. Gear block; 34. External thread; 4. Fixed block; 5. Buffer mechanism; 51. Connecting rod A; 52. Connecting rod B; 53. Volute spring; 54. Swivel block. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 3 The utility model provides an embodiment: an automobile corrugated pipe that is easy to disassemble and assemble, comprising a pipe body 1, the outer walls on both sides of the pipe body 1 are fixedly connected with mounting seats 2, the surface of the mounting seats 2 is provided with multiple groups of threaded holes corresponding to external threads 34, and the external threads 34 are initially threadedly connected to the inner wall of the mounting seat 2, the inner side wall of the mounting seat 2 is fixedly connected with four groups of fixing blocks 4, the four groups of fixing blocks 4 are fixed on the inner side wall of the mounting seat 2 in an inclined state, the inner walls of the four groups of fixing blocks 4 are provided with buffer mechanisms 5, and the inner wall of the mounting seat 2 is provided with a mounting mechanism 3.

[0029] Reference Figure 1-Figure 2 The mounting mechanism 3 includes a swivel ring 31, and the inner side wall of the swivel ring 31 is fixedly connected with multiple sets of racks 32. The tooth spacing of the racks 32 matches the tooth spacing of the tooth blocks 33. The inner wall of the swivel ring 31 is provided with an empty groove, and the inner wall of the empty groove is slidably connected with the tooth block 33. By providing the empty groove on the inner wall of the swivel ring 31, the tooth block 33 can only slide on the inner wall of the swivel ring 31 and cannot be separated from its inner wall. The outer wall of the tooth block 33 is meshed with the rack 32, and the meshing between the two can simultaneously allow the four sets of tooth blocks 33 to synchronously drive the external thread 34 to rotate clockwise or counterclockwise through the rotation of the swivel ring 31. The surface of the tooth block 33 is provided with an external thread 34, and the inner wall of the mounting seat 2 is provided with an internal thread. The external thread 34 is threadedly connected to the inner wall of the mounting seat 2. The initial state of the external thread 34 is threadedly connected to the inner wall of the mounting seat 2, so as to facilitate the connection and fixation between the mounting seat 2 and the automobile engine and the bellows.

[0030] Reference Figure 1 and Figure 4The buffer mechanism 5 includes a connecting rod B52, one end of the connecting rod B52 away from the connecting rod A51 is fixed to the fixed block 4 corresponding to the other group of mounting seats 2, the inner wall of the connecting rod B52 is elastically connected to the rotating block 54 through a spiral spring 53, one end of the spiral spring 53 is fixedly connected to the inner wall of the connecting rod B52, and the other end of the spiral spring 53 is fixedly connected to the surface of the rotating block 54. The function of the spiral spring 53 is to automatically reset the position of the rotating block 54 and the connecting rod B52 after rotation, and at the same time, it also increases the buffer effect between the tube body 1 as a whole, the rotating block 54 is rotatably connected to the inner wall of the connecting rod B52, and the bottom end of the outer wall of the rotating block 54 is fixedly connected to the connecting rod A51, and the end of the connecting rod A51 away from the rotating block 54 is hinged to the inner wall of the fixed block 4.

[0031] Working principle: When connecting and fixing the tube body 1 to the mounting position of the automobile engine, first align the mounting seat 2 with the hole position of the mounting position, and rotate the swivel 31 to allow the rack 32 inside it to rotate clockwise. The rack 32 will mesh with the gear block 33 during the rotation, and the external thread 34 at the bottom end of the gear block 33 is threadedly connected to the inner wall of the mounting seat 2, so that the gear block 33 will not rotate synchronously with the rotation of the swivel 31. At this time, as the swivel 31 continues to rotate, the gear block 33 rotates in place, so that the external thread 34 at the bottom end passes through the mounting seat 2 to be threadedly connected and fixed to the mounting hole position of the engine.

[0032] At the same time, when the tube body 1 bends during use, the connecting rod A51 and the connecting rod B52 will be hinged with each other, and the spiral spring 53 will be elastically rotated, so that the connecting rod A51 and the connecting rod B52 will rotate around the inner wall of the corresponding fixed block 4 to slow down the shaking of the tube body 1. At the same time, when the tube body 1 no longer shakes, the rotating block 54 will be elastically acted upon by the spiral spring 53, and the connecting rod A51 and the connecting rod B52 will be synchronously restored to their initial positions.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automobile bellows that is easy to disassemble and assemble, comprising a tube body (1), characterized in that: The outer walls of both sides of the tube body (1) are fixedly connected with a mounting seat (2), the inner side wall of the mounting seat (2) is fixedly connected with four groups of fixing blocks (4), the inner walls of the four groups of fixing blocks (4) are provided with a buffer mechanism (5), the inner wall of the mounting seat (2) is provided with a mounting mechanism (3), and the mounting mechanism (3) comprises a swivel (31); The inner side wall of the rotating ring (31) is fixedly connected with a plurality of racks (32), the inner wall of the rotating ring (31) is provided with a hollow groove, the inner wall of the hollow groove is slidably connected with a tooth block (33), and the surface of the tooth block (33) is provided with an external thread (34).

2. The automobile bellows that is convenient to disassemble and assemble according to claim 1 is characterized in that: The buffer mechanism (5) comprises a connecting rod B (52), the inner wall of the connecting rod B (52) is elastically connected to a rotating block (54) via a spiral spring (53), and the bottom end of the outer wall of the rotating block (54) is fixedly connected to a connecting rod A (51).

3. The automobile bellows that is easy to disassemble and assemble according to claim 1 is characterized in that: The outer wall of the tooth block (33) is meshed with the toothed rack (32).

4. The automobile bellows that is convenient to disassemble and assemble according to claim 1 is characterized in that: The inner wall of the mounting seat (2) is provided with an internal thread, and the external thread (34) is threadedly connected to the inner wall of the mounting seat (2).

5. The automobile bellows that is convenient to disassemble and assemble according to claim 2 is characterized in that: One end of the connecting rod A (51) away from the rotating block (54) is hinged to the inner wall of the fixed block (4).

6. The automobile bellows that is convenient to disassemble and assemble according to claim 2 is characterized in that: The rotating block (54) is rotatably connected to the inner wall of the connecting rod B (52).

7. The automobile bellows that is convenient to disassemble and assemble according to claim 2 is characterized in that: One end of the spiral spring (53) is fixedly connected to the inner wall of the connecting rod B (52), and the other end of the spiral spring (53) is fixedly connected to the surface of the rotating block (54).