CN213540546U

CN213540546U - Novel muffler heat insulating board fixed knot constructs

Info

Publication number: CN213540546U
Application number: CN202022786184.2U
Authority: CN
Inventors: 程彦军; 张佳伟; 潘玉军; 王志安
Original assignee: Jiangxi Changhe Automobile Co Ltd
Current assignee: Jiangxi Changhe Automobile Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-06-25
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a novel muffler heat insulating board fixed knot constructs, including the muffler barrel, end cover and heat insulating board, the muffler barrel all is equipped with open-ended cavity drum structure for both ends, the end cover has two, two end covers fixed mounting are on the both ends opening of muffler barrel respectively, the edge of end cover is provided with round U type groove I along its circumference is fixed, the both ends opening of muffler barrel all is equipped with a U type groove II who matees with U type groove I, U type groove III that matches with U type groove II is all seted up along its circumference in the both ends of heat insulating board, U type groove III imbeds the U type inslot II at muffler barrel both ends respectively through U type groove III at the both ends of heat insulating board, U type groove I's on the end cover one end aligns the U type inslot III on the embedding, U type groove II and U type groove III's one end aligns the embedding U type ins. The utility model discloses simple structure, stability can prevent effectively that the heat insulating board from droing from the muffler barrel.

Description

Novel muffler heat insulating board fixed knot constructs

Technical Field

The utility model relates to the field of automotive technology, specifically a novel muffler heat insulating board fixed knot constructs.

Background

At present, when a heat insulation plate on an automobile silencer is installed, the heat insulation plate is usually welded on the outer wall surface of a silencer cylinder body through a spot welding process, but because the silencer cylinder body and the heat insulation plate are thin metal plates, the risk of welding through exists in the welding process no matter the silencer cylinder body or the heat insulation plate, the durability of parts is poor, the welding contact area between the heat insulation plate and the silencing cylinder body is small, welding spots between the heat insulation plate and the silencing cylinder body are prone to cracking, and the installation of the heat insulation plate on the silencer cylinder body is invalid.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough that exists among the prior art, provide a novel muffler heat insulating board fixed knot and construct, solved among the prior art and welded the heat insulating board on the outer wall of muffler barrel through spot welding technology, the muffler barrel all has the risk of welding wearing with the heat insulating board, and part durability can be poor to and the welding area of contact between heat insulating board and the amortization barrel is less, the easy problem that ftractures of solder joint between heat insulating board and the amortization barrel.

In order to realize the purpose, the utility model discloses a technical scheme be:

a novel silencer heat insulation plate fixing structure comprises a silencer barrel body, two end covers and a heat insulation plate, wherein the silencer barrel body is of a hollow cylinder structure with openings at two ends, the two end covers are fixedly arranged on the openings at two ends of the silencer barrel body respectively, the edge of each end cover is fixedly provided with a circle of U-shaped groove I along the circumferential direction of the end cover, the openings at two ends of the silencer barrel body are respectively provided with a U-shaped groove II matched with the U-shaped groove I, the two ends of the heat insulation plate are respectively provided with a U-shaped groove III matched with the U-shaped groove II along the circumferential direction of the heat insulation plate, two ends of the heat insulation plate are respectively embedded into the U-shaped grooves II at two ends of the silencer barrel body through the U-shaped grooves III, the outer wall of the U-shaped groove III is tightly attached to the inner wall of the U-shaped groove II, one end of the U-, one end of the U-shaped groove II and one end of the U-shaped groove III are aligned and embedded into the U-shaped groove I, a group of occlusion structures are formed between the U-shaped groove I and the U-shaped groove II, the U-shaped groove III, a circle of sealing edge is arranged on the inner side of the end cover, and the sealing edge is tightly attached to the inner wall of the silencer barrel.

Furthermore, one end of the U-shaped groove I is arranged in the U-shaped groove III in an interference mode, and one ends of the U-shaped groove II and the U-shaped groove III are arranged in the U-shaped groove I in an interference mode.

Furthermore, one end of the silencer cylinder is communicated with an air inlet pipe, the other end of the silencer cylinder is communicated with an air outlet pipe, and the air inlet pipe and the air outlet pipe penetrate through the end covers at the two ends of the silencer cylinder and are led into the silencer cylinder.

Furthermore, a plurality of reinforcing rib structures are uniformly arranged on the outer surface of the heat insulation plate.

The utility model has the advantages of simple structure and reasonable design, the heat insulating board is through in the U type groove II at the U type groove III embedding muffler barrel both ends at its both ends, and in the U type groove III on the heat insulating board is squeezed into with the one end interference of U type groove I on the end cover again, at the in-process that U type groove I squeezed into U type groove III, U type groove II also imbeds with the one end of U type groove III in the U type groove I together to make and form a set of interlock structure between U type groove I and U type groove II, the U type groove III, thereby install the heat insulating board on the outer wall of muffler barrel. The utility model discloses need not to adopt the welding can install the heat insulating board on the surface of muffler barrel, reduced the damage to muffler barrel and heat insulating board among the welding process, guaranteed the durability of muffler barrel and heat insulating board, whole structural connection is compact simultaneously, can prevent effectively that the heat insulating board from droing from the muffler barrel.

Drawings

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic view of the installation structure among the muffler cylinder, the end cap and the heat insulation plate of the present invention;

in the figure: 1. silencer barrel, 2, end cover, 3, heat insulating board, 4, U type groove I, 5, U type groove II, 6, U type groove III, 7, sealing edge, 8, intake pipe, 9, outlet duct, 10, strengthening rib structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, a novel muffler heat insulation plate fixing structure includes a muffler barrel 1, two end caps 2 and a heat insulation plate 3, the muffler barrel 1 is a hollow cylinder structure with two ends provided with openings, the two end caps 2 are respectively fixedly mounted on the openings of the two ends of the muffler barrel 1, the edge of the end cap 2 is circumferentially and fixedly provided with a circle of U-shaped groove I4, the openings of the two ends of the muffler barrel 1 are respectively provided with a U-shaped groove II5 matched with the U-shaped groove I4, the two ends of the heat insulation plate 3 are circumferentially provided with a U-shaped groove III6 matched with the U-shaped groove 5639, the two ends of the heat insulation plate 3 are respectively embedded into the U-shaped grooves II5 at the two ends of the muffler barrel 1 through the U-shaped groove III6, the outer wall of the U-shaped groove III6 is tightly attached to the inner wall of the U-shaped groove II 493 2, one end of the U-shaped groove I4 on the end cap 2 is aligned with the U-shaped groove III 829, one end of each of the U-shaped groove II5 and the U-shaped groove III6 is embedded into the U-shaped groove I4 in an aligned mode, a group of meshing structures are formed among the U-shaped groove I4, the U-shaped groove II5 and the U-shaped groove III6, a circle of sealing edge 7 is arranged on the inner side of the end cover 2, and the sealing edge 7 is tightly attached to the inner wall of the silencer cylinder body 1; one end of the U-shaped groove I4 is arranged in the U-shaped groove III6 in an interference manner, and one ends of the U-shaped groove II5 and the U-shaped groove III6 are arranged in the U-shaped groove I4 in an interference manner; one end of the silencer cylinder body 1 is communicated with an air inlet pipe 8, the other end of the silencer cylinder body 1 is communicated with an air outlet pipe 9, and the air inlet pipe 8 and the air outlet pipe 9 respectively penetrate through the end covers 2 at the two ends of the silencer cylinder body 1 and are introduced into the silencer cylinder body 1; and a plurality of reinforcing rib structures 10 are uniformly arranged on the outer surface of the heat insulation plate 3.

The utility model has the advantages of simple structure and reasonable design, in U type groove II2 at the U type groove III6 embedding muffler barrel 1 both ends of heat insulating board 3 through its both ends, squeeze into U type groove III6 on heat insulating board 3 with the one end interference of U type groove I4 on the end cover 2 again, squeeze into U type groove III 6's in-process at U type groove I4, U type groove II2 also imbeds together with U type groove III6 in the U type groove I4 to form a set of interlock structure between making U type groove I4 and U type groove II5, U type groove III6, thereby install heat insulating board 3 on the outer wall of muffler barrel 1. The utility model discloses need not to adopt the welding can install heat insulating board 3 on muffler barrel 1's surface, reduced the damage to muffler barrel 1 and heat insulating board 3 among the welding process, guaranteed the durability of muffler barrel 1 and heat insulating board 3, whole structural connection is compact simultaneously, can prevent effectively that heat insulating board 3 from droing from muffler barrel 1.

The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations may be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel silencer heat insulation plate fixing structure comprises a silencer barrel body (1), two end covers (2) and heat insulation plates (3), and is characterized in that the silencer barrel body (1) is of a hollow cylinder structure with openings at two ends, two end covers (2) are arranged, the two end covers (2) are respectively fixedly arranged on the openings at two ends of the silencer barrel body (1), a circle of U-shaped groove I (4) is fixedly arranged at the edge of each end cover (2) along the circumferential direction of the end cover, the openings at two ends of the silencer barrel body (1) are respectively provided with a U-shaped groove II (5) matched with the U-shaped groove I (4), two ends of each heat insulation plate (3) are respectively provided with a U-shaped groove III (6) matched with the U-shaped groove II (5) along the circumferential direction of the heat insulation plate, two ends of each heat insulation plate (3) are respectively embedded into the U-shaped grooves II (5) at two ends of the silencer barrel body (1) through the U, the outer wall of U type groove III (6) is hugged closely the inner wall of U type groove II (5), the one end of U type groove I (4) on end cover (2) is aimed at the embedding in U type groove III (6) on the heat insulating board, the one end of U type groove II (5) and U type groove III (6) is aimed at the embedding in U type groove I (4), U type groove I (4) with form a set of interlock structure between U type groove II (5), U type groove III (6), the inboard of end cover (2) is equipped with round sealing strip (7), sealing strip (7) hug closely in on the inner wall of muffler barrel (1).

2. The novel silencer heat insulation plate fixing structure as claimed in claim 1, wherein one end of the U-shaped groove I (4) is interference-mounted in the U-shaped groove III (6), and one ends of the U-shaped grooves II (5) and III (6) are interference-mounted in the U-shaped groove I (4).

3. The novel silencer heat insulation plate fixing structure as claimed in claim 1, wherein one end of the silencer cylinder (1) is communicated with an air inlet pipe (8), the other end of the silencer cylinder is communicated with an air outlet pipe (9), and the air inlet pipe (8) and the air outlet pipe (9) respectively pass through the end covers (2) at the two ends of the silencer cylinder (1) and enter the silencer cylinder (1).

4. A new type of muffler heat shield fixing structure as claimed in claim 1, wherein the outer surface of the heat shield (3) is uniformly provided with a plurality of rib structures (10).