Fixing structure of exhaust elbow

The adjustable fixed and movable support plate design solves the problem that existing fixed structures cannot adapt to complex installation surfaces, achieving efficient and stable installation and noise reduction of the exhaust bend.

CN223814460UActive Publication Date: 2026-01-20XIANGYANG FUKANGDA MASCH CO LTD
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Patent Information

Application Number
CN202520726943.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-01-20
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Existing fixed structures are difficult to adapt to various uneven or special-shaped installation surfaces, which increases the difficulty of installation and may affect the stability and safety of the pipe bending system.

Method used

The design incorporates adjustable fixed and movable support plates, allowing for flexible installation of the exhaust bend through rotational connection and bolt fixing. A protective ring is also used for auxiliary support and noise reduction.

Benefits of technology

It enables precise installation of bent pipes at different positions and angles, improves installation flexibility and stability, reduces rework during installation, and has noise reduction function.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223814460U_ABST
    Figure CN223814460U_ABST
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Abstract

The utility model discloses a fixing structure of an exhaust elbow, which comprises a mounting ring, and a mounting piece is arranged at the bottom of the mounting ring; the mounting piece is composed of a fixed supporting plate and a movable supporting plate, and the top of the fixed supporting plate is fixedly arranged on the bottom end face of the mounting ring; the movable supporting plate is arranged under the fixed supporting plate, the ends of the movable supporting plate and the fixed supporting plate are rotationally connected, and a through hole is further formed in the surface of the movable supporting plate. In order to overcome challenges caused by shape diversity and mounting surface complexity in the elbow mounting process, the adjustable fixed support plate and the movable support plate are additionally arranged, so that mounting personnel can perform corresponding adjustment according to different inclination conditions of the mounting surface, accurate mounting of the elbow at different positions and different angles is realized, and the mounting efficiency is improved. By means of the design, the flexibility of the whole structure is greatly improved, and the fixing structure can be widely applied to various complex installation environments.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to exhaust elbow technical field, concretely relates to a fixed structure of exhaust elbow. BACKGROUND

[0002] Exhaust elbow refers to the part that needs to be curved in the pipeline, and its main function is to adjust the direction and change the flow direction of fluid (such as exhaust gas, fuel gas, etc.), which plays an important role in various application occasions such as exhaust gas system and internal combustion engine exhaust system, and the fixed structure is a structure for fixing and installing the exhaust elbow at a specified position.

[0003] The form of elbow is complex, and its unique structural feature is that it has many winding parts, which brings great challenge to the installation process. In view of the diversity of elbow, the fixed structure must be able to realize stable connection with various installation surfaces during installation. However, the current fixed structure has obvious limitations in design, and it is difficult to flexibly adapt to various uneven or special-shaped installation planes. This situation not only increases the difficulty of installation, but also may affect the stability and safety of the elbow system. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a fixed structure of exhaust elbow to solve the problem that the current fixed structure cannot adapt to different plane installation requirements in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a fixed structure of exhaust elbow, comprising a mounting ring, a mounting piece is arranged at the bottom; the mounting piece is composed of a fixed branch and a movable branch, wherein: the top of the fixed branch is fixedly arranged on the bottom end surface of the mounting ring; the movable branch is arranged directly below the fixed branch, and the end parts of the two are rotationally connected; a through hole is formed in the surface of the movable branch; the exhaust elbow is supported by the mounting ring, and then fixed by penetrating the strip-shaped holes at both ends of the mounting ring through bolts or hoops and the like, so as to realize the fixation of the exhaust elbow; then the movable branch is bent, and the bent movable branch is attached to the corresponding inclined installation surface, and then fixed by bolts, so as to realize the installation limiting of each position.

[0006] Preferably, a top groove is formed in the top of the movable branch, the bottom of the fixed branch is concave at both ends, the bottom of the fixed branch is arranged in the top groove, a through hole is formed in the bottom of the fixed branch, a rotating piece is arranged at the connection between the fixed branch and the movable branch, and the movable branch rotates around the axis of the rotating piece, so as to realize the change of the inclination angle of the fixed branch and the movable branch.

[0007] Preferably, the rotating part comprises a locking bolt penetrating the top groove and arranged outside the movable support plate at both ends, the locking bolt is connected with the through hole, one end of the locking bolt abuts against the outer wall of the movable support plate, and the other end of the locking bolt is sleeved with a nut, and the movable support plate rotates around the axis of the locking bolt.

[0008] Preferably, the two ends of the locking bolt are respectively sleeved with abutting plate one and abutting plate two, the abutting plate one is between the nut and the movable support plate, and the abutting plate two is between the one end of the locking bolt and the movable support plate, when the movable support plate is adjusted to the appropriate position, the nut is tightened, at this time, the nut abuts against the abutting plate one, the fixed support plate is fixed through the abutting plate one, and at the same time, the locking bolt abuts against the abutting plate two to abut against the other side of the fixed support plate, so that the angle between the movable support plate and the fixed support plate cannot change again, and the subsequent installation stability is guaranteed.

[0009] Preferably, the lengths of the abutting plate one and the abutting plate two are equal, and the inner side faces of the top of the two ends abut against the side wall of the fixed support plate.

[0010] Preferably, the two sides of the mounting ring are further fixed with protective rings, the inner diameter of the protective ring is greater than the inner diameter of the mounting ring, the exhaust pipeline supporting area can be semi-wrapped through the protective ring, and the purpose of auxiliary noise reduction is achieved.

[0011] Preferably, a plurality of inclined arc strips are arranged at equal angles on the inner wall of the protective ring, one end of the arc strip is welded with the protective ring, and the other end is separated from the inner wall of the protective ring, through the arrangement of the arc strip, the noise generated by the exhaust pipeline can be partially rebounded, so that the purpose of noise reduction is improved, and the exhaust pipeline can also be assisted and supported through the arc strip.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In order to overcome the challenge brought by the shape diversity and the complexity of the installation surface in the process of installing the elbow pipe, the utility model adds the design of the adjustable fixed support plate and the movable support plate, so that the installer can make corresponding adjustment according to the different inclination of the installation surface, thereby realizing the accurate installation of the elbow pipe at different positions and different angles. This design not only greatly improves the flexibility of the overall structure, but also enables the fixed structure to widely adapt to various complex installation environments. In addition, through the synergistic effect of the fixed support plate and the movable support plate, the installation process becomes more efficient and convenient, and the repeated adjustment and rework phenomenon caused by the mismatch of the installation surface is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a rear view of the utility model;

[0016] Fig. 3 Figure is the connection diagram of the mounting ring and the fixed support plate of the utility model;

[0017] Fig. 4 Figure is the connection diagram of the movable support plate and the locking bolt of the utility model.

[0018] In the figure:

[0019] 100, mounting ring; 101, fixed support plate; 102, abutting plate one; 103, movable support plate; 104, abutting plate two; 105, through hole; 106, locking bolt; 107, top groove;

[0020] 200, protective ring; 201, arc strip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a fixing structure of exhaust elbow, comprising

[0023] The mounting ring 100 is provided with a mounting piece at the bottom;

[0024] The mounting piece is composed of the fixed support plate 101 and the movable support plate 103, wherein:

[0025] The top of the fixed support plate 101 is fixedly arranged on the bottom end surface of the mounting ring 100;

[0026] The movable support plate 103 is arranged directly below the fixed support plate 101, and the end portions of the two are rotationally connected. Through holes are also formed in the surface of the movable support plate 103. The exhaust elbow is supported by the mounting ring 100, and then the bolt or the clamp structure penetrates the strip-shaped holes at both ends of the mounting ring 100, so as to fix the exhaust elbow. Then the movable support plate 103 is bent, and the bent movable support plate 103 is attached to the corresponding inclined mounting surface, and then fixed by the bolt, so as to realize the installation limiting of each position.

[0027] In the embodiment, preferably, the top of the movable support plate 103 is provided with a top groove 107, the bottom of the fixed support plate 101 is concave at both ends, and the bottom of the fixed support plate 101 is arranged in the top groove 107, and a through hole 105 is arranged at the bottom of the fixed support plate 101, and a rotating part is arranged at the connection between the fixed support plate 101 and the movable support plate 103, and the movable support plate 103 rotates around the axis of the rotating part, so as to change the inclination angle of the fixed support plate 101 and the movable support plate 103.

[0028] In the embodiment, preferably, the rotating part includes a locking bolt 106 penetrating through the top groove 107 and arranged outside the movable support plate 103 at both ends, the locking bolt 106 is connected with the through hole 105, one end of the locking bolt 106 abuts against the outer wall of the movable support plate 103, and the other end of the locking bolt 106 is sleeved with a nut, and the movable support plate 103 rotates around the axis of the locking bolt 106.

[0029] In the embodiment, preferably, both ends of the locking bolt 106 are respectively sleeved with a resisting plate one 102 and a resisting plate two 104, the resisting plate one 102 is between the nut and the movable support plate 103, and the resisting plate two 104 is between one end of the locking bolt 106 and the movable support plate 103, when the movable support plate 103 is adjusted to the appropriate position, the nut is tightened, at this time, the nut abuts against the resisting plate one 102, and the fixed support plate 101 is fixed through the resisting plate one 102, at the same time, the locking bolt 106 abuts against the resisting plate two 104 to abut against the other side of the fixed support plate 101, so as to realize that the angle between the movable support plate 103 and the fixed support plate 101 cannot change again, and the stability of subsequent installation is ensured.

[0030] In the embodiment, preferably, the lengths of the resisting plate one 102 and the resisting plate two 104 are equal, and the inner side surfaces of the top of both ends abut against the side wall of the fixed support plate 101.

[0031] In the embodiment, preferably, the two sides of the mounting ring 100 are further fixed with a protective ring 200, the inner diameter of the protective ring 200 is greater than the inner diameter of the mounting ring 100, the exhaust pipeline supporting area can be semi-wrapped through the protective ring 200, and the purpose of auxiliary noise reduction is realized.

[0032] In the embodiment, preferably, a plurality of inclined arc strips 201 are arranged at equal angles on the inner wall of the protective ring 200, one end of the arc strip 201 is welded with the protective ring 200, and the other end is separated from the inner wall of the protective ring 200, through the arrangement of the arc strip 201, the noise generated by the exhaust pipeline can be partially rebounded, so as to improve the purpose of noise reduction, and the exhaust pipeline can also be auxiliary supported through the arc strip 201.

[0033] Although the embodiments of the present application have been shown and described (see the detailed description above), it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixing structure for an exhaust bend, comprising: Mounting ring (100), with mounting parts at the bottom; Its features are: The mounting component consists of a fixed support plate (101) and a movable support plate (103), wherein: The top of the fixed support plate (101) is fixed to the bottom end face of the mounting ring (100); The movable support plate (103) is located directly below the fixed support plate (101), and the ends of the two are rotatably connected. A through hole is also provided on the surface of the movable support plate (103).

2. The fixing structure for an exhaust bend according to claim 1, characterized in that: The top of the movable support plate (103) is provided with a top groove (107), the bottom ends of the fixed support plate (101) are concave, and the bottom of the fixed support plate (101) is placed in the top groove (107). A through hole (105) is provided at the bottom of the fixed support plate (101). A rotating member is provided at the connection between the fixed support plate (101) and the movable support plate (103), and the movable support plate (103) rotates around the axis of the rotating member.

3. The fixing structure for an exhaust bend according to claim 2, characterized in that: The rotating component includes a locking bolt (106) that passes through the top groove (107) and has both ends placed outside the movable support plate (103). The locking bolt (106) is connected to the through hole (105). One end of the locking bolt (106) abuts against the outer wall of the movable support plate (103), while the other end of the locking bolt (106) is fitted with a nut. The movable support plate (103) rotates around the axis of the locking bolt (106).

4. The fixing structure for an exhaust bend according to claim 3, characterized in that: The locking bolt (106) has a first abutment plate (102) and a second abutment plate (104) respectively fitted at both ends. The first abutment plate (102) is located between the nut and the movable support plate (103), while the second abutment plate (104) is located between one end of the locking bolt (106) and the movable support plate (103).

5. The fixing structure for an exhaust bend according to claim 4, characterized in that: The first abutment (102) and the second abutment (104) are of equal length, and the inner sides of the top of both ends abut against the side wall of the fixed support plate (101).

6. The fixing structure for an exhaust bend according to claim 1, characterized in that: The mounting ring (100) is also fixed with protective rings (200) on both sides, and the inner diameter of the protective ring (200) is larger than the inner diameter of the mounting ring (100).

7. The fixing structure for an exhaust bend according to claim 6, characterized in that: The inner wall of the protective ring (200) is provided with a plurality of inclined arc strips (201) at equal angles. One end of the arc strip (201) is welded to the protective ring (200), and the other end is separated from the inner wall of the protective ring (200).