CN213598784U - Triangular connecting flange of automobile exhaust pipe - Google Patents

Triangular connecting flange of automobile exhaust pipe Download PDF

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Publication number
CN213598784U
CN213598784U CN202022536368.3U CN202022536368U CN213598784U CN 213598784 U CN213598784 U CN 213598784U CN 202022536368 U CN202022536368 U CN 202022536368U CN 213598784 U CN213598784 U CN 213598784U
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China
Prior art keywords
flange
triangular
hole
asbestos gasket
butt joint
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Application number
CN202022536368.3U
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Chinese (zh)
Inventor
张华杰
张种超
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Yancheng Junma Auto Parts Co ltd
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Yancheng Junma Auto Parts Co ltd
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Priority to CN202022536368.3U priority Critical patent/CN213598784U/en
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Publication of CN213598784U publication Critical patent/CN213598784U/en
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Abstract

The utility model provides a triangular connecting flange of an automobile exhaust pipe, which is formed by installing an asbestos gasket between a flange A and a flange B, matching and butting the asbestos gasket and fixedly connecting the asbestos gasket and the flange B by bolts; the flange A is of an integral structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange A, chamfers are arranged at the corners of the triangular table, the flange A is provided with a first adapting pipe and a first butt joint groove which are coaxial, a first threaded hole is formed in the flange A at the corners of the triangular table, the first threaded hole is of a through hole structure, and internal threads are formed in the flange A; the flange B is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange B, a chamfer is arranged at the corner of the triangular table, the flange B is provided with a second adapting pipe and a second butt joint groove which are coaxial, a second threaded hole is formed in the corner of the triangular table, and the second threaded hole is of a through hole structure. The utility model provides a pair of vehicle vent-pipe triangle-shaped flange is the installation of being convenient for, is equipped with locking take off fastening bolt simultaneously, has guaranteed lasting sealed effect.

Description

Triangular connecting flange of automobile exhaust pipe
Technical Field
The utility model relates to an auto-parts's technical field, concretely relates to vehicle vent-pipe triangle-shaped 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. When the flange of this type is installed at present, the installer need hold two flanges with the hand earlier and aim for the bolt hole, and the bolt still needs mounting nut after inserting the bolt hole, often because operating space is limited, unable use tool fixation nut leads to the bolt effectively to fasten, causes the blast pipe leakproofness bad.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile exhaust pipe triangle-shaped flange is in order to solve foretell problem.
In order to achieve the above object, the utility model provides a following technical scheme: a triangular connecting flange of an automobile exhaust pipe is formed by installing an asbestos gasket between a flange A and a flange B, matching and butting the asbestos gasket, and fixedly connecting the asbestos gasket and the flange B by using bolts;
the flange A is of an integral structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange A, chamfers are arranged at the corners of the triangular table, the flange A is provided with a first adapting pipe and a first adapting groove which are coaxial, the bottom of the first adapting groove is provided with the chamfers, the outer diameter of the first adapting pipe is larger than that of the first adapting pipe, a first threaded hole is formed in the corner of the triangular table, the first threaded hole is of a through hole structure, and internal threads are formed in the first threaded hole;
the flange B is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange B, chamfers are arranged at the corners of the triangular table, the flange B is provided with a second adaptive pipe and a second butt joint groove which are coaxial, chamfers are arranged at the edges of the second butt joint groove, the outer diameter of the flange B is larger than that of the second adaptive pipe, a second threaded hole is formed in the corner of the triangular table, and the second threaded hole is of a through hole structure;
the asbestos gasket is also in a triangular prism shape, a through hole is formed in the middle of the asbestos gasket, and a threaded hole is formed in the triangular position of the asbestos gasket.
As the improvement of the utility model, flange A is on three prismatic table surfaces, along the first fitting pipe outside is equipped with first matching annular.
As the improvement of the utility model, flange B is on three prismatic table surfaces, along the second is fit the piping outside and is equipped with the second and matches the annular.
As the utility model discloses an improvement, asbestos gasket appearance and size with flange B's butt joint end appearance is unanimous, the through-hole is seted up at asbestos gasket center, the external diameter with second butt joint recess phase-match, asbestos gasket cup joints on the second butt joint recess, asbestos gasket is equipped with 3 through-holes in the edge, with second screw hole phase-match can run through the bolt.
As the utility model discloses an improvement, the bolt is equipped with radial through-hole bottom the bolt, the through-hole is along axial evenly distributed N, and N is for being greater than 1 natural number.
As the utility model discloses an improvement, first screw hole matches each other with the second screw hole, the bolt can run through be connected with first screw hole screw thread fastening behind the flange fixed orifices.
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 structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the present invention;
FIG. 3 is a schematic structural view I of a flange A;
FIG. 4 is a schematic structural view II of the flange A;
FIG. 5 is a schematic structural view I of a flange B;
FIG. 6 is a schematic view II of the structure of a flange B.
FIG. 7 is a schematic view of a gasket;
FIG. 8 is a schematic view of a bolt;
the components in the figure are:
10-flange a, 11-first adapting pipe, 12-first matching ring groove, 13-first butt groove, 14-first threaded hole,
20-flange B, 21-second adapting pipe, 22-second matching ring groove, 23-second butt joint groove, 24-second threaded hole,
30 of a mat of asbestos,
40-bolt, 41-through hole.
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, a triangular connecting flange for an automobile exhaust pipe is formed by installing an asbestos gasket 30 between a flange a10 and a flange B20, then matching and butting the asbestos gasket 30, and fixedly connecting the asbestos gasket and the flange B20 by using bolts 40;
the flange A10 is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center, chamfers are arranged at the corners of the triangular table, the flange A10 is provided with a first adapting pipe 11 and a first butt joint groove 13 which are coaxial, the bottom of the first butt joint groove 13 is provided with a chamfer, the outer diameter of the chamfer is larger than that of the first adapting pipe 11, a first threaded hole 14 is formed in the corner of the triangular table of the flange A10, the first threaded hole 14 is of a through hole structure, and internal threads are formed in the first threaded hole 14;
the flange B20 is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange B20, chamfers are arranged at the corners of the triangular table, the flange B20 is provided with a second adaptive pipe 21 and a second butt joint groove 23 which are coaxial, chamfers are arranged at the edges of the second butt joint groove 23, the outer diameter of the second butt joint groove is larger than that of the second adaptive pipe 21, a second threaded hole 24 is formed in the corner of the triangular table of the flange B20, and the second threaded hole 24 is of a through hole structure;
the asbestos gasket 30 is also triangular prism-shaped, a through hole is formed in the middle of the asbestos gasket, and a threaded hole is formed in the triangular part of the asbestos gasket 30.
In an embodiment of the present invention, the flange a10 is provided with a first matching ring groove 12 along the outer side of the first adapter tube 11 on the three-edged stand and the surface.
In an embodiment of the present invention, the flange B20 has a second matching ring groove 22 on the outer side of the second adapter tube 21 on the surface of the triangular frustum.
As an embodiment of the utility model, asbestos gasket 30 appearance and size with flange B20's butt joint end appearance is unanimous, the through-hole is seted up at asbestos gasket 30 center, the external diameter with second butt joint recess 23 phase-match, asbestos gasket 30 cup joints on the second butt joint recess 23, asbestos gasket 30 is equipped with 3 through-holes in the edge, with second screw hole 24 phase-match, can run through the bolt 40.
The working principle of the technical scheme is as follows: before the exhaust pipe is connected, the exhaust pipe is sleeved on the adaptive pipe of the exhaust pipe and inserted into a matching ring groove at the bottom of the adaptive pipe, the flange A and the flange B are fixed on the exhaust pipe in a welding mode in the matching ring groove, after the flange is fixed, the asbestos gasket is sleeved on the butt joint pipe of the flange B, and the asbestos gasket is rotated to ensure that bolt holes of the gasket are consistent with bolt holes of the butt joint surface of the flange, the asbestos gasket is sleeved on the butt joint pipe and is not easy to fall off, after the asbestos gasket is installed, the butt joint pipe of the flange B is inserted into the butt joint groove of the flange A to realize matching butt joint, after the butt joint pipe of the flange B is inserted into the butt joint groove of the flange A, the primary fixation of two sections of exhaust pipes can be realized, an installer only needs to rotate one of the flanges to ensure that the bolt holes are matched with each other, after the bolt holes are matched, after the three bolts are completely fastened, iron wires penetrate through the through holes at the bottoms of the three fixing bolts and are fastened.
The beneficial effects of the above technical scheme are that: the root of the exhaust pipe adapting pipe is provided with a matching ring groove, so that the exhaust pipe can be clamped into the groove conveniently, and then the groove is welded in a welding mode, thereby facilitating the welding and improving the sealing performance after the welding. Flange A's butt joint recess and flange B's butt joint pipe's butt joint face are the chamfer structure, it is sealed to match each other and realize the first order, asbestos gasket plays the sealed effect of second grade in the middle of the flange, sealing effect has been strengthened, through the mode that sets up the screw hole on flange A, it carries out construction bolt and carries out effective fastening to have made things convenient for the installer, the unable fixed problem that causes the unable effective fastening of bolt of nut has been avoided, use the iron wire to carry out fastening bolt's locking pine take off, flange A and flange B have been ensured to be zonulae occludens all the time, sealed persistence has been guaranteed.
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 (6)

1. A triangular connecting flange of an automobile exhaust pipe is characterized in that an asbestos gasket (30) is additionally arranged between a flange A (10) and a flange B (20) and then matched and butted with each other, and the triangular connecting flange is fixedly connected by bolts (40);
the flange A (10) is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange A, chamfers are arranged at corners of the triangular table, the flange A (10) is provided with a first adaptive pipe (11) and a first butt-joint groove (13) which are coaxial, the bottom of the first butt-joint groove (13) is provided with the chamfers, the outer diameter of the first butt-joint groove is larger than that of the first adaptive pipe (11), a first threaded hole (14) is formed in the corner of the triangular table of the flange A (10), the first threaded hole (14) is of a through hole structure, and internal threads;
the flange B (20) is of an integrated structure formed by fixedly connecting a triangular table and a cylinder, a through hole is formed in the center of the flange B, chamfers are arranged at corners of the triangular table, the flange B (20) is provided with a second adaptive pipe (21) and a second butt joint groove (23) which are coaxial, chamfers are arranged at the edges of the second butt joint groove (23), the outer diameter of the second butt joint groove is larger than that of the second adaptive pipe (21), a second threaded hole (24) is formed in the corner of the triangular table of the flange B (20), and the second threaded hole (24) is of a through hole structure;
the asbestos gasket (30) is also in a triangular prism shape, a through hole is formed in the middle of the asbestos gasket, and a threaded hole is formed in the triangular part of the asbestos gasket (30).
2. The triangular connecting flange for the automobile exhaust pipe according to claim 1, characterized in that: the flange A (10) is provided with a first matching ring groove (12) on the surface of the triangular frustum and along the outer side of the first adaptive pipe (11).
3. The triangular connecting flange for the automobile exhaust pipe according to claim 1, characterized in that: and the flange B (20) is provided with a second matching ring groove (22) on the surface of the triangular frustum and along the outer side of the second adapter tube (21).
4. The triangular connecting flange for the automobile exhaust pipe according to claim 1, characterized in that: the shape and the size of the asbestos gasket (30) are consistent with the shape of the butt joint end of the flange B (20), a through hole is formed in the center of the asbestos gasket (30), the outer diameter of the asbestos gasket is matched with the second butt joint groove (23), the asbestos gasket (30) is sleeved on the second butt joint groove (23), 3 through holes are formed in the edge of the asbestos gasket (30), the asbestos gasket is matched with the second threaded hole (24), and the asbestos gasket penetrates through the bolt (40).
5. The triangular connecting flange for the automobile exhaust pipes according to claim 1, wherein the first threaded holes (14) and the second threaded holes (24) are matched with each other, and the bolts (40) penetrate through the second threaded holes (24) and then are in threaded fastening connection with the first threaded holes (14).
6. The triangular connecting flange for the automobile exhaust pipe according to claim 1, characterized in that: the bolt (40) is provided with radial through holes (41) at the bottom of the bolt, the through holes (41) are uniformly distributed in the number of N along the axial direction, and N is a natural number greater than 1.
CN202022536368.3U 2020-11-05 2020-11-05 Triangular connecting flange of automobile exhaust pipe Active CN213598784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022536368.3U CN213598784U (en) 2020-11-05 2020-11-05 Triangular connecting flange of automobile exhaust pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022536368.3U CN213598784U (en) 2020-11-05 2020-11-05 Triangular connecting flange of automobile exhaust pipe

Publications (1)

Publication Number Publication Date
CN213598784U true CN213598784U (en) 2021-07-02

Family

ID=76594786

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022536368.3U Active CN213598784U (en) 2020-11-05 2020-11-05 Triangular connecting flange of automobile exhaust pipe

Country Status (1)

Country Link
CN (1) CN213598784U (en)

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