Flange correction device for automobile intake and exhaust pipe

Abstract

The utility model discloses a flange correction device for an automobile intake and exhaust pipe, and relates to the technical field of intake and exhaust pipe installation. The flange correction device comprises two correction blocks, arc-shaped grooves are formed in one sides of the two correction blocks, rotating connection mechanisms are arranged in the arc-shaped grooves, clamping grooves are formed in the side walls of the correction blocks, clamping blocks are arranged in the clamping grooves, flange correction grooves are formed in one sides of the clamping blocks, and the flange correction blocks are arranged in the clamping grooves. A clamping and fixing mechanism is arranged between the clamping block and the correcting block, a notch groove is formed in the side wall of the correcting block, and a pressing mechanism is arranged on the side wall of the notch groove. Compared with the prior art, the process that a worker lifts the exhaust pipe for visual inspection and alignment can be omitted, so that the flange assembling efficiency is improved, meanwhile, the probability that threads are bitten mistakenly in the assembling process can be reduced, the probability that gaps appear after flanges are connected is reduced, and the due noise reduction effect and the service life of the automobile intake and exhaust pipe are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of intake and exhaust pipe installation, in particular to a flange correction device for automobile intake and exhaust pipes. Background Art

[0002] Since the exhaust gas of a car is under great pressure when it leaves the engine, the intake and exhaust pipes of the car play a role in reducing vibration and noise and extending the service life of exhaust and silencer accessories. Usually, the main material of the intake and exhaust pipes of a car is stainless steel, and the intake and exhaust pipes of the car and the engine are generally connected by flanges.

[0003] In the prior art, since the overall length of the parts of the intake and exhaust pipe system is relatively long, the flanges need to be aligned before assembly when installing the exhaust pipe. Currently, when installing the flanges, it is generally necessary to lift the exhaust pipe while aligning the flanges. However, manual visual docking will cause gaps between the flanges, which can easily lead to thread misalignment when bolts are used. This not only reduces the assembly efficiency of the intake and exhaust pipes, but the existing gaps will also weaken the noise reduction effect and service life of the exhaust pipes. For this reason, a flange correction device for automobile intake and exhaust pipes is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that manual visual docking will cause gaps between flanges, which will easily lead to thread engagement misalignment when bolts are used, which not only reduces the assembly efficiency of the intake and exhaust pipes, but also the existing gaps will weaken the noise reduction effect and service life of the exhaust pipes. The utility model provides a flange correction device for automobile intake and exhaust pipes.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0006] A flange correction device for automobile intake and exhaust pipes comprises two correction blocks, one side of each of the two correction blocks is provided with an arc groove, and a rotation connection mechanism is arranged in the arc groove, a clamping groove is provided on the side wall of the correction block, and a clamping block is arranged in the clamping groove, one side of the clamping block is provided with a flange correction groove, and a clamping mechanism is arranged between the clamping block and the correction block, a notch groove is provided on the side wall of the correction block, and a clamping mechanism is arranged on the side wall of the notch groove.

[0007] Preferably, the rotation connection mechanism includes two rotating rings, the two rotating rings are respectively fixedly mounted in the arc grooves of the two correction blocks, and a connecting shaft is rotatably mounted between the two rotating rings.

[0008] Preferably, the fixing mechanism includes a fixing bolt, an adjustment notch is provided on the side wall of the correction block, and a connecting screw hole is provided on the side wall of the adjustment notch, a threaded groove is provided on the side wall of the positioning block, and one end of the fixing bolt passes through the connecting screw hole and is screwed in the threaded groove.

[0009] Preferably, positioning grooves are symmetrically provided on both sides of the positioning groove on the correction block, and positioning protrusions are provided on both side walls of the positioning block, and the positioning protrusions are slidably arranged in the positioning grooves.

[0010] Preferably, the clamping mechanism comprises a clamping rod, one end of which is fixedly mounted on the side wall of the notch groove, and the other end of which is provided with an extension tube.

[0011] Preferably, one end of the clamping rod is arranged in a stepped structure, and an external thread is provided on the side wall around the stepped surface of the clamping rod, an internal thread is provided on the inner side wall of the extension tube, and one end of the extension tube is threadedly installed on the clamping rod, and a non-slip rubber sleeve is fixed on the side wall of the extension tube.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. In the utility model, when it is necessary to install the intake and exhaust pipes on the engine of the automobile, the positioning block on the correction block is pressed against the flange of the engine, and then the flange of the exhaust pipe is inserted into the flange correction groove of the positioning block, and then the provided clamping rod and extension tube are used to drive the two correction blocks to clamp, so that the two positioning blocks can press the assembled flanges, so that the installation positions of the two flanges are corrected, and then the two flanges are assembled by bolts, which can save the process of the staff lifting the exhaust pipe for visual alignment, thereby not only improving the efficiency of flange assembly, but also reducing the probability of thread mis-biting during the assembly process, and reducing the probability of gaps after the flange connection, ensuring the proper noise reduction effect and service life of the automobile intake and exhaust pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall three-dimensional connection structure of the utility model from a side view;

[0016] Figure 3 It is a schematic diagram of the three-dimensional connection structure of the positioning block and the correction block in the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional connection structure of the pressing mechanism and the correction block in the utility model.

[0018] Figure numerals: 1. Correction block; 2. Arc groove; 3. Rotating ring; 4. Positioning groove; 5. Positioning block; 6. Flange correction groove; 7. Adjustment notch; 8. Connecting screw hole; 9. Fixing bolt; 10. Notch groove; 11. Clamping rod; 12. Extension tube; 13. Connecting shaft; 14. Threaded groove; 15. Positioning groove; 16. Positioning protrusion. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] like Figure 1-4 As shown, the flange correction device for automobile intake and exhaust pipes includes two correction blocks 1. An arc groove 2 is opened on one side of the two correction blocks 1, and a rotation connection mechanism is arranged in the arc groove 2. The rotation connection mechanism includes two rotating rings 3. The two rotating rings 3 are respectively fixedly installed in the arc grooves 2 of the two correction blocks 1, and a connecting shaft 13 is rotatably installed between the two rotating rings 3. The rotation connection between the two correction blocks 1 can be realized by the arranged connecting shaft 13.

[0024] A locking groove 4 is provided on the side wall of the correction block 1, and a locking block 5 is arranged in the locking groove 4. A flange correction groove 6 is provided on one side of the locking block 5. By providing a detachable locking block 5, the device can replace the locking block 5 with a different flange correction groove 6 according to the shape of the installation flange as needed, which can improve the versatility of the device.

[0025] A fixing mechanism is arranged between the positioning block 5 and the correction block 1, and the fixing mechanism includes a fixing bolt 9. An adjustment notch 7 is arranged on the side wall of the correction block 1, and a connecting screw hole 8 is arranged on the side wall of the adjustment notch 7. A threaded groove 14 is arranged on the side wall of the positioning block 5. One end of the fixing bolt 9 passes through the connecting screw hole 8 and is screwed in the threaded groove 14. Positioning grooves 15 are symmetrically arranged on both sides of the positioning groove 4 on the correction block 1. With the help of the fixing bolts 9, the convenience of the positioning block 5 and the positioning block 5 can be improved.

[0026] Positioning protrusions 16 are provided on both side walls of the positioning block 5 , and the positioning protrusions 16 are slidably arranged in the positioning grooves 15 . The positioning protrusions 16 can prevent the positioning block 5 from shaking, thereby further improving the stability of the connection between the positioning block 5 and the correction block 1 .

[0027] A notch groove 10 is provided on the side wall of the correction block 1, and a clamping mechanism is arranged on the side wall of the notch groove 10, the clamping mechanism includes a clamping rod 11, one end of the clamping rod 11 is fixedly mounted on the side wall of the notch groove 10, and an extension tube 12 is arranged on the other end of the clamping rod 11, and the extension tube 12 can save effort through the lever principle, one end of the clamping rod 11 is arranged in a stepped structure, and an external thread is provided on the side wall around the stepped surface of the clamping rod 11, an internal thread is provided on the inner side wall of the extension tube 12, and one end of the extension tube 12 is threadedly mounted on the clamping rod 11, and an anti-slip rubber sleeve is fixedly sleeved on the side wall of the extension tube 12, and the length between the extension tube 12 and the clamping rod 11 can be further adjusted according to the working environment through the threaded extension tube 12, so as to facilitate the use of the staff.

[0028] In summary: when it is necessary to install the intake and exhaust pipes on the engine of a car, the positioning block 5 on the correction block 1 is pressed against the flange of the engine, and then the flange of the exhaust pipe is inserted into the flange correction groove 6 of the positioning block 5, and then the provided clamping rod 11 and extension tube 12 are used to drive the two correction blocks 1 to rotate and clamp with the help of the rotating ring 3 and the connecting shaft 13, so that the two positioning blocks 5 are pressed against the sides of the assembled flanges, thereby correcting the installation positions of the two flanges, and then the two flanges are assembled together by bolts.

[0029] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Flange correction device for automobile intake and exhaust pipes, characterized in that: The invention comprises two correction blocks (1), one side of each of the two correction blocks (1) is provided with an arc groove (2), and a rotation connection mechanism is arranged in the arc groove (2), a locking groove (4) is arranged on the side wall of the correction block (1), and a locking block (5) is arranged in the locking groove (4), a flange correction groove (6) is arranged on one side of the locking block (5), and a locking mechanism is arranged between the locking block (5) and the correction block (1), and a notch groove (10) is arranged on the side wall of the correction block (1), and a clamping mechanism is arranged on the side wall of the notch groove (10).

2. The flange correction device for automobile intake and exhaust pipes according to claim 1 is characterized in that: The rotating connection mechanism comprises two rotating rings (3), the two rotating rings (3) are respectively fixedly mounted in the arc grooves (2) of the two correction blocks (1), and a connecting shaft (13) is rotatably mounted between the two rotating rings (3).

3. The flange correction device for automobile intake and exhaust pipes according to claim 1, characterized in that: The clamping mechanism comprises a clamping bolt (9), an adjustment notch (7) is provided on the side wall of the correction block (1), a connecting screw hole (8) is provided on the side wall of the adjustment notch (7), a thread groove (14) is provided on the side wall of the positioning block (5), and one end of the clamping bolt (9) passes through the connecting screw hole (8) and is screwed into the thread groove (14).

4. The flange correction device for automobile intake and exhaust pipes according to claim 3 is characterized in that: The correction block (1) is provided with positioning grooves (15) symmetrically on both sides of the positioning groove (4), and positioning protrusions (16) are provided on both side walls of the positioning block (5), and the positioning protrusions (16) are slidably arranged in the positioning grooves (15).

5. The flange correction device for automobile intake and exhaust pipes according to claim 1, characterized in that: The clamping mechanism comprises a clamping rod (11), one end of which is fixedly mounted on the side wall of the notch groove (10), and the other end of which is provided with an extension tube (12).

6. The flange correction device for automobile intake and exhaust pipes according to claim 5, characterized in that: One end of the clamping rod (11) is arranged in a stepped structure, and an external thread is provided on the side wall around the stepped surface of the clamping rod (11), an internal thread is provided on the inner side wall of the extension tube (12), and one end of the extension tube (12) is threadedly mounted on the clamping rod (11), and an anti-slip rubber sleeve is fixedly sleeved on the side wall of the extension tube (12).

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