CN213598781U - High-strength heat-resistant flange of automobile exhaust pipe - Google Patents
High-strength heat-resistant flange of automobile exhaust pipe Download PDFInfo
- Publication number
- CN213598781U CN213598781U CN202022536367.9U CN202022536367U CN213598781U CN 213598781 U CN213598781 U CN 213598781U CN 202022536367 U CN202022536367 U CN 202022536367U CN 213598781 U CN213598781 U CN 213598781U
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- flange
- butt joint
- pipe connecting
- blast pipe
- exhaust pipe
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Abstract
The utility model provides a high-strength heat-resistant flange of an automobile exhaust pipe, which is formed by two same flange bodies which are arranged oppositely, wherein the flange bodies are stepped cylinders, a through hole is arranged in the center, one end of the flange bodies is a butt joint flange part, a triangular butt plate is arranged along the circumferential surface of the butt joint flange part, the other end is an exhaust pipe connecting part, a positioning hole and a positioning column are arranged on the surface of the exhaust pipe connecting part, the positioning hole and the positioning column are arranged on the same diameter of the exhaust pipe connecting part, and the outline and the size of the positioning hole are consistent with those of the positioning column; the butt joint end faces of the two flange bodies are opposite and are in butt joint with the same axis in a matching mode, the positioning holes in the two flange bodies are matched with the positioning columns in a staggered mode, and the two flange bodies are fixedly connected into a whole through welding half grooves in a welding mode. The utility model provides a flange can realize the butt joint of isomorphism, does not need too much spare part, and the utility model discloses set up the triangle and supported the board structure, improved the structural strength of flange promptly, also improved the high temperature resistance ability of flange.
Description
Technical Field
The utility model relates to an auto-parts's technical field, concretely relates to vehicle vent-pipe high strength heat-resisting flange.
Background
In the field of automotive exhaust pipe technology, flanges are commonly used for interconnecting the exhaust pipes. The center of the flange plate is provided with a through hole, the periphery of the flange plate is provided with a plurality of mounting holes, and after the two pipes are respectively welded and fixed with the two flange plates, the two flange plates are fixedly connected by bolts, so that the connection between the two exhaust pipes is completed. In application of the existing flange plate, the flange structure is deformed after long-time high-temperature action due to poor high-temperature resistance, so that sealing failure is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processing is simple and structural strength is high, high temperature resistant ability reinforce's novel flange.
In order to achieve the above object, the utility model provides a following technical scheme: a high-strength heat-resistant flange of an automobile exhaust pipe is formed by oppositely and fixedly connecting two identical flange bodies, wherein each flange body is of a cylindrical shell structure with openings at two ends, each flange body is divided into a butt joint flange part and an exhaust pipe connecting part which are integrally formed, the outer diameter of the butt joint flange part is larger than that of the exhaust pipe connecting part, a plurality of triangular supporting plates are circumferentially distributed on the end surface of one end, connected with the exhaust pipe connecting part, of the butt joint flange part, one right-angle edge of each triangular supporting plate is fixedly connected with the end surface of the butt joint flange part, the other right-angle edge of each triangular supporting plate is fixedly connected with the side wall of the exhaust pipe connecting part, the edge of the end surface, far away from the exhaust pipe connecting part, of the butt joint flange part is in arc transition and provided, the positioning hole and the positioning column are positioned on the same diameter of the butt joint flange part, and the outline and the size of the positioning hole are consistent with those of the positioning column;
the butt joint flange parts of the two flange bodies are opposite and are matched and butted with each other in a coaxial manner, the positioning holes in the two flange bodies are matched with the positioning columns in a staggered manner, and the two flange bodies are fixedly connected into a whole through the welding half grooves in a welding manner.
As an improvement of the utility model, the inside of blast pipe connecting portion is the shoulder hole form, and the step face of inside shoulder hole forms the spacing ring, the internal diameter size of blast pipe connecting portion is greater than the external diameter size of blast pipe.
As an improvement of the utility model, the outer lane of butt joint flange portion is equipped with annular welding half groove, the cross-sectional shape of annular welding half groove is interior concavity 1/4 circle.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a front view of an assembly of the present invention;
FIG. 3 is a first schematic view of the present invention;
fig. 4 is a schematic diagram of the present invention.
The components in the figure are:
10-flange, 11-butt joint flange part, 12-exhaust pipe connecting part, 13-welding half groove, 14-triangular abutting plate, 15-positioning hole and 16-positioning column;
20-exhaust pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1, the utility model provides a vehicle vent-pipe high strength heat-resisting flange, its characterized in that: the flange is composed of two identical flange bodies 10 which are fixedly connected relatively, the flange body 10 is a cylindrical shell structure with openings at two ends, the flange body 10 is divided into a butt joint flange part 12 and an exhaust pipe connecting part 11 which are integrally formed, the outer diameter of the butt joint flange part 12 is larger than that of the exhaust pipe connecting part 11, a plurality of triangular abutting plates 14 are circumferentially distributed on one end face of the butt joint flange part 12 connected with the exhaust pipe connecting part 11, one right-angle edge of each triangular abutting plate 14 is fixedly connected with the end face of the butt joint flange part 12, the other right-angle edge is fixedly connected with the side wall of the exhaust pipe connecting part 11, the edge of the end face of the butt joint flange part 12 far away from the exhaust pipe connecting part 11 is in arc transition to form a welding half groove 13, and one end face of the butt joint flange part 12 far away from, the positioning hole 15 and the positioning column 16 are on the same diameter of the butt-joint flange part 12, and the outline and the size of the positioning hole 15 are consistent with those of the positioning column 16;
the butt joint flange parts 12 of the two flange bodies 10 are opposite and are in coaxial matching butt joint, the positioning holes 15 on the two flange bodies 10 are in staggered matching with the positioning columns 16, and the two flange bodies 10 are welded and fixedly connected into a whole through the welding half-grooves 13.
As an embodiment of the present invention, the inside of the exhaust pipe connecting portion 11 is a stepped hole shape, the stepped surface of the inner stepped hole forms the stopper ring 17, and the inner diameter of the exhaust pipe connecting portion is larger than the outer diameter of the exhaust pipe.
As an embodiment of the present invention, the outer ring of the butt joint flange portion 12 is provided with an annular welding half groove 13, and the cross-sectional shape of the annular welding half groove 13 is an inward concave 1/4 circle.
The working principle of the technical scheme is as follows: before carrying out the blast pipe connection, cup joint the blast pipe connecting portion of flange body on the blast pipe earlier, make the blast pipe insert in the blast pipe connecting portion, fixed blast pipe and flange body through welding mode, the blast pipe both ends adopt the same mode to connect the back that finishes, are relative with two flange body blast pipe connecting portions, match the butt joint through reference column and locating hole, and two flange butt joints are laminated each other and are formed semi-circular welding half groove, and the mode of welding is together fixed with two flanges through in welding half groove.
The beneficial effects of the above technical scheme are that: the utility model provides a same type butt joint can be realized to the flange, does not need too much spare part, has reduced the cost of processing. The utility model provides a flange butt joint adopts the mode that reference column and locating hole match each other to dock, has ensured that the sealed laminating of butt joint flange portion can not rotate relatively, has also guaranteed the formation in welding half groove, has made things convenient for the welding promptly and has also guaranteed the sealed effect after the welding. The utility model discloses a blast pipe connecting portion cup joints the mode of blast pipe and connects, has increased the area of contact of blast pipe with the flange body, has improved the heat conductivity, and the utility model discloses set up the triangle and support the board structure, improved the structural strength of flange promptly, the triangle supports the board simultaneously and also has radiating ability, has also improved the high temperature resistant ability of flange.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a heat-resisting flange of vehicle vent-pipe high strength which characterized in that: constitute by two the same relative rigid couplings of flange body (10), flange body (10) are both ends open-ended cylindrical shell structure, flange body (10) divide into integrated into one piece's butt joint flange portion (12) and blast pipe connecting portion (11), the external diameter of butt joint flange portion (12) is greater than the external diameter of blast pipe connecting portion (11), butt joint flange portion (12) go up with circumference distributes on the one end terminal surface that blast pipe connecting portion (11) link to each other has a plurality of triangle to support board (14), a right angle limit of triangle support board (14) with the terminal surface rigid coupling of butt joint flange portion (12), another right angle limit with the lateral wall rigid coupling of blast pipe connecting portion (11), keep away from on butt joint flange portion (12) the one end terminal surface edge circular arc transition of blast pipe connecting portion (11) has welding half groove (13), keep away from on butt joint flange portion (12) still be provided with on the one end terminal surface of blast pipe connecting portion (11) The positioning hole (15) and the positioning column (16) are arranged on the same diameter of the butt joint flange part (12), and the outline and the size of the positioning hole (15) are consistent with those of the positioning column (16);
the butt joint flange parts (12) of the two flange bodies (10) are opposite and are in butt joint with the same axis in a matching mode, the positioning holes (15) in the two flange bodies (10) are matched with the positioning columns (16) in a staggered mode, and the two flange bodies (10) are fixedly connected into a whole through the welding half grooves (13).
2. The high-strength heat-resistant flange for the automobile exhaust pipe according to claim 1, characterized in that: the inside of blast pipe connecting portion (11) is the shoulder hole form, and the step face of inside shoulder hole forms spacing ring (17), the internal diameter size of blast pipe connecting portion is greater than the external diameter size of blast pipe.
3. The high-strength heat-resistant flange for the automobile exhaust pipe according to claim 1, characterized in that: an annular welding half groove (13) is formed in the outer ring of the butt joint flange portion (12), and the cross section of the annular welding half groove (13) is an inward concave 1/4 circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022536367.9U CN213598781U (en) | 2020-11-05 | 2020-11-05 | High-strength heat-resistant flange of automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022536367.9U CN213598781U (en) | 2020-11-05 | 2020-11-05 | High-strength heat-resistant flange of automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598781U true CN213598781U (en) | 2021-07-02 |
Family
ID=76594795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022536367.9U Active CN213598781U (en) | 2020-11-05 | 2020-11-05 | High-strength heat-resistant flange of automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598781U (en) |
-
2020
- 2020-11-05 CN CN202022536367.9U patent/CN213598781U/en active Active
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