CN213980921U

CN213980921U - Automobile exhaust pipe end cover

Info

Publication number: CN213980921U
Application number: CN202022875533.8U
Authority: CN
Inventors: 韩斌
Original assignee: Wuxi Xinruide Machinery Technology Co ltd
Current assignee: Wuxi Xinruide Machinery Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-17
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an automobile exhaust pipe end cover relates to end cover technical field, this automobile exhaust pipe end cover, end cover including three way catalyst converter body both ends tip, the end cover of this end of three way catalyst converter comprises the ring flange that dop and dop set up outward, the tip that the ring flange was kept away from to the dop is provided with the crack along parallel axial, set up the clamp pad in the crack, the outer peripheral face middle part of dop is provided with annular bayonet, be provided with the packing ring in the annular bayonet, be provided with ring groove on the terminal surface of ring flange, set up the rubber pad in the ring groove. The utility model discloses a set up dop, crack, bayonet socket, ring flange, draw-in groove, packing ring, rubber pad, gusset plate and clamp pad, insert in the blast pipe through the dop, rethread ring flange zonulae occludens locks replaces the welding through flange joint, consolidates inseparable, sealed, the damping performance of flange joint position, has solved the damaged problem of easy fracture of vehicle vent-pipe end cover welded joint position.

Description

Automobile exhaust pipe end cover

Technical Field

The utility model relates to an end cover technical field specifically is an automobile exhaust pipe end cover.

Background

The automobile tail exhaust pipe is generally composed of a three-way catalyst, an air inlet exhaust pipe and an air outlet exhaust pipe, the air inlet exhaust pipe and the air outlet exhaust pipe are connected with end covers of the three-way catalyst, tail gas is discharged into the three-way catalyst through the air inlet exhaust pipe and then is discharged from the air outlet exhaust pipe after being purified, at present, the exhaust pipes are mostly connected with the end covers of the three-way catalyst in position and welded into a whole, and due to the fact that the automobile runs in environments such as jolting, rain and snow, the connecting positions are prone to cracking and damage, air leakage of the connecting positions is caused, the tail gas is leaked out without passing through the three-way catalyst, the environment is polluted, the automobile tail exhaust pipe end cover is high in connection tightness, buffering and shock absorption are needed, and the end cover with good sealing performance is connected with the exhaust pipe, and therefore the automobile exhaust pipe end cover is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automobile exhaust pipe end cover has solved automobile exhaust pipe end cover welded connection position easy cracked damaged problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile exhaust pipe end cover, includes the end cover of three way catalyst converter body both ends tip, the end cover of this tip of three way catalyst converter comprises dop and the outer ring flange that sets up of dop, the tip that the ring flange was kept away from to the dop is provided with the crack along parallel axial, set up the clamp pad in the crack, the outer peripheral face middle part of dop is provided with annular bayonet, be provided with the packing ring in the annular bayonet, be provided with ring groove on the terminal surface of ring flange, set up the rubber pad in the ring groove.

Preferably, the crack is U-shaped, the head of the crack is an opening, and the tail of the crack extends to the position of the annular bayonet.

Preferably, the annular bayonet is arranged between the flange plate and the crack.

Preferably, an R-shaped chamfer is arranged at the end part of the clamping head.

Preferably, a reinforcing plate is welded on one side, close to the three-way catalyst body, of the flange plate, and the reinforcing plate is connected between the flange plate and the three-way catalyst body.

Preferably, the chuck, the flange plate and the three-way catalyst body are of an integrally formed structure.

(III) advantageous effects

The utility model provides an automobile exhaust pipe end cover possesses following beneficial effect:

the utility model discloses a set up the dop, the crack, the bayonet socket, the ring flange, the draw-in groove, a gasket, the rubber pad, gusset plate and clamp pad, insert in the blast pipe through the dop, insert the beginning, the crack is extruded the shrink, make the dop extrude the mouth of pipe, insert the back crack and strut and closely laminate with the pipe wall, the crack is sealed by the clamp pad simultaneously, the whole compactness and the leakproofness of junction have been guaranteed, rethread ring flange zonulae occludens locking, guarantee mouth of pipe hookup location leakproofness through the packing ring, play hookup location buffering shock attenuation and sealed effect simultaneously through the rubber pad, replace the welding through flange joint, consolidate flange hookup location's inseparable, it is sealed, the damping performance, the damaged problem of easy fracture of vehicle vent pipe end cover welded connection position has been solved.

Drawings

FIG. 1 is a schematic view of the assembly structure of the chuck, the flange and the exhaust pipe of the present invention;

FIG. 2 is a schematic view of a portion of the chuck of FIG. 1;

FIG. 3 is a right side view of the chuck of the present invention;

FIG. 4 is a left sectional view of the bayonet of the present invention;

fig. 5 is a front sectional view of the chuck of the present invention.

In the figure: 1. a three-way catalyst body; 2. clamping a head; 21. performing crack filling; 22. a bayonet; 3. a flange plate; 31. a card slot; 4. a gasket; 5. a rubber pad; 6. a reinforcing plate; 7. and (7) clamping the pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides an automobile exhaust pipe end cover, end cover including 1 both ends tip of three way catalyst converter body, the end cover of 1 tip of three way catalyst converter body comprises dop 2 and the outer ring flange 3 that sets up of dop 2, the tip that the ring flange 3 was kept away from to dop 2 is provided with crack 21 along parallel axial, set up clamp pad 7 in the crack 21, the outer peripheral face middle part of dop 2 is provided with annular bayonet 22, be provided with packing ring 4 in the annular bayonet 22, be provided with ring groove 31 on the terminal surface of ring flange 3, set up ring rubber pad 5 in the ring groove 31.

As a technical optimization scheme of the utility model, the crack 21 is the U-shaped, and the head of crack 21 is the opening, and the afterbody of crack 21 extends to annular bayonet 22 position.

As a technical optimization scheme of the utility model, annular bayonet 22 sets up in the centre of ring flange 3 and crack 21.

As a technical optimization scheme of the utility model, the tip of dop 2 sets up R shape chamfer, makes things convenient for dop 2 to insert the mouth of pipe through R shape chamfer.

As a technical optimization scheme of the utility model, flange plate 3 is close to one side welding gusset plate 6 of three way catalyst converter body 1, and gusset plate 6 connects between flange plate 3 and three way catalyst converter body 1.

As a technical optimization scheme of the utility model, dop 2, ring flange 3 and three way catalyst converter body 1 are the integrated into one piece structure.

The working principle is as follows: when using, lead through R shape chamfer, in the mouth of pipe of pushing into blast pipe with dop 2, the crack 21 is pressed the pinch pad 7 shrink tightly, insert the mouth of pipe after, the crack 21 struts and the pipe wall laminating, pinch pad 7 plays sealed effect to crack 21, packing ring 4 is being close mouth of pipe position and pipe wall contact laminating, play sealed orificial effect, locking through ring flange 3, compression rubber pad 5, rubber pad 5 plays the effect of shock attenuation and buffering between ring flange 3 and the blast pipe mouth of pipe, reach sealed effect simultaneously.

To sum up, the utility model discloses a set up dop 2, crack 21, bayonet socket 22, ring flange 3, draw-in groove 31, packing ring 4, rubber pad 5, gusset plate 6 and clamp pad 7, solved the easy damaged problem of splitting of vehicle vent-pipe end cover welded connection position.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile exhaust pipe end cover which characterized in that: the end cover of end portion including three way catalyst converter body (1) both ends, the end cover of three way catalyst converter body (1) end portion comprises dop (2) and the outer ring flange (3) that set up of dop (2), the tip that ring flange (3) were kept away from in dop (2) is provided with crack (21) along parallel axial, set up clamp pad (7) in crack (21), the outer peripheral face middle part of dop (2) is provided with ring bayonet (22), be provided with packing ring (4) in ring bayonet (22), be provided with ring groove (31) on the terminal surface of ring flange (3), set up rubber pad (5) in ring groove (31).

2. The exhaust pipe end cover for an automobile according to claim 1, wherein: the crack (21) is U-shaped, the head of the crack (21) is an opening, and the tail of the crack (21) extends to the position of the annular bayonet (22).

3. The exhaust pipe end cover for an automobile according to claim 1, wherein: the annular bayonet (22) is arranged between the flange plate (3) and the crack (21).

4. The exhaust pipe end cover for an automobile according to claim 1, wherein: the end part of the clamping head (2) is provided with an R-shaped chamfer.

5. The exhaust pipe end cover for an automobile according to claim 1, wherein: one side of the flange plate (3) close to the three-way catalyst body (1) is welded with a reinforcing plate (6), and the reinforcing plate (6) is connected between the flange plate (3) and the three-way catalyst body (1).

6. The exhaust pipe end cover for an automobile according to claim 1, wherein: the clamping head (2), the flange plate (3) and the three-way catalyst body (1) are of an integrally formed structure.