Silencer

Abstract

A silencer comprises a first shell formed by winding a metal material, a second shell formed by winding a metal material, a connecting cone connected between the first shell and the second shell, and a core assembly at least partially contained in the first shell, the connecting cone and the second shell. The silencer is in a long strip shape in the axial direction of the silencer, the core assembly comprises an air inlet pipe, an air outlet pipe and a plurality of baffles, the first shell is fixedly welded to one end of the connecting cone, and the second shell is fixedly welded to the other end of the connecting cone. Compared with the prior art, according to the design mode, mold opening is not needed, and the mold cost is saved; in addition, the first shell, the connecting cone and the second shell can be independently manufactured and replaced, and therefore the design elasticity of the silencer is improved.

Description

Background Art

[0002] In the related art, a strip-shaped muffler generally includes an upper shell, a lower shell, and a core component. The upper shell and the lower shell are usually formed by stamping with a mold. This method requires mold opening if necessary, resulting in relatively high costs. Additionally, once the structure of the muffler changes, it often requires re-opening the mold, leading to persistently high costs. Summary of the Invention

[0003] The purpose of the present invention is to provide a muffler with better design flexibility and relatively lower costs.

[0004] To achieve the above purpose, the present invention adopts the following technical solution: A muffler includes a first shell wound from a metal material, a second shell wound from a metal material, a connecting cone connected between the first shell and the second shell, and a core component at least partially received in the first shell, the connecting cone, and the second shell. The core component includes an air inlet pipe, an air outlet pipe, and a plurality of baffles. One end of the first shell is fixedly welded to one end of the connecting cone, and the other end of the second shell is fixedly welded to the other end of the connecting cone.

[0005] As a further improved technical solution of the present invention, the first shell is provided with a first internal space, and the muffler includes a first end cover fixed to one end of the first shell.

[0006] As a further improved technical solution of the present invention, the second shell is provided with a second internal space, and the muffler includes a second end cover fixed to one end of the second shell.

[0007] As a further improved technical solution of the present invention, the first shell includes a first connection end opposite to the first end cover, the second shell includes a second connection end opposite to the second end cover, the connecting cone includes a large end on one side and a small end on the other side, wherein the large end is fixedly welded to the first connection end, and the small end is fixedly welded to the second connection end.

[0008] As a further improved technical solution of the present invention, the large end is inserted into the first connection end or the first connection end is inserted into the large end.

[0009] As a further improved technical solution of the present invention, the small end is inserted into the second connection end or the second connection end is inserted into the small end.

[0010] As a further improved technical solution of the present invention, the bottom surface of the first shell is flush with the bottom surface of the second shell.

[0011] As a further improved technical solution of the present invention, the several baffles include a first baffle, a second baffle, a third baffle, a fourth baffle, and a fifth baffle arranged in sequence along the axial direction of the muffler. The first baffle, the second baffle, and the third baffle are located in the first housing, and the fourth baffle and the fifth baffle are located in the second housing;

[0012] The intake pipe passes through the first baffle, the second baffle, and the third baffle, and the outlet of the intake pipe is communicated with the cavity of the connecting cone;

[0013] The outlet pipe passes through the fourth baffle and the fifth baffle.

[0014] As a further improved technical solution of the present invention, the muffler includes a first cavity located between the first baffle and the second baffle;

[0015] The core assembly includes a connecting pipe connected to the outlet pipe, and the connecting pipe passes through the second baffle and the third baffle.

[0016] As a further improved technical solution of the present invention, the muffler includes steel wool tightly clamped in the annular gap between the connecting pipe and the outlet pipe.

[0017] Compared with the prior art, the muffler of the present invention includes a first housing wound from a metal material, a second housing wound from a metal material, and a connecting cone connected between the first housing and the second housing. One end of the first housing is welded and fixed to the connecting cone, and the other end of the second housing is welded and fixed to the connecting cone. This design method does not require mold opening, saving mold costs; in addition, the first housing, the connecting cone, and the second housing can be independently manufactured and replaced, thereby improving the design flexibility of the muffler. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional schematic diagram of the muffler of the present invention in one embodiment.

[0019] Figure 2 is Figure 1 a three-dimensional perspective view of.

[0020] Figure 3 is Figure 1 a three-dimensional schematic diagram of the core assembly in.

[0021] Figure 4 is Figure 1 a three-dimensional exploded view of. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Among them, if there are several specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description involves the accompanying drawings, unless otherwise specified, the same numbers or symbols in different drawings represent the same or similar elements. The content described in the following exemplary specific embodiments does not represent all embodiments of the present invention. On the contrary, they are only examples of products that are consistent with those recorded in the claims of the present invention.

[0023] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the protection scope of the present invention. It should be understood that the terms used in the description and claims of the present invention, such as "first", "second" and similar terms, do not indicate any order, quantity or importance, but are only used to distinguish the named features.

[0024] Please refer to Figures 1 to 4 As shown, the present invention discloses a muffler 100, which includes a first housing 1 wound from a metal material, a second housing 2 wound from a metal material, a connecting cone 3 connected between the first housing 1 and the second housing 2, and a core assembly 5 at least partially received in the first housing 1, the connecting cone 3 and the second housing 2. The core assembly 5 includes an intake pipe 6, an exhaust pipe 7 and a plurality of baffles. One end of the first housing 1 is fixedly welded to the connecting cone 3, and one end of the second housing 2 is fixedly welded to the other end of the connecting cone 3.

[0025] The first housing 1 is provided with a first internal space 10, and the muffler 100 includes a first end cap 41 fixed to one end of the first housing 1, such as by welding.

[0026] Similarly, the second housing 2 is provided with a second internal space 20, and the muffler 100 includes a second end cap 42 fixed to one end of the second housing 2, such as by welding.

[0027] Those skilled in the art can understand that since the radial dimensions of the first housing 1 and the second housing 2 are different, the sizes of the first end cap 41 and the second end cap 42 are also different.

[0028] The first housing 1 includes a first connection end 11 opposite to the first end cap 41, and the second housing 2 includes a second connection end 21 opposite to the second end cap 42. The connecting cone 3 includes a large end 31 on one side and a small end 32 on the other side, wherein the large end 31 is fixedly welded to the first connection end 11, and the small end 32 is fixedly welded to the second connection end 21.

[0029] In an embodiment of the present invention, the large end 31 is inserted into the first connection end 11 or the first connection end 11 is inserted into the large end 31; the small end 32 is inserted into the second connection end 21 or the second connection end 21 is inserted into the small end 32.

[0030] In the illustrated embodiment of the present invention, the bottom surface of the first housing 1 is flush with the bottom surface of the second housing 2.

[0031] In the illustrated embodiment of the present invention, the plurality of baffles include a first baffle 51, a second baffle 52, a third baffle 53, a fourth baffle 54, and a fifth baffle 55 arranged in sequence along the axial direction of the muffler 100. The first baffle 51, the second baffle 52, and the third baffle 53 are located in the first internal space 10 of the first housing 1, and the fourth baffle 54 and the fifth baffle 55 are located in the second internal space 20 of the second housing 2. The muffler 100 includes a first cavity 101 located between the first baffle 51 and the second baffle 52.

[0032] The intake pipe 6 passes through the first baffle 51, the second baffle 52, and the third baffle 53, and the outlet of the intake pipe 6 is communicated with the cavity of the connection cone 3. In the illustrated embodiment of the present invention, the outlet pipe 7 passes through the fourth baffle 54 and the fifth baffle 55.

[0033] The core assembly 5 includes a connecting pipe 8 connected to the outlet pipe 7, and the connecting pipe 8 passes through the second baffle 52 and the third baffle 53. The muffler 100 includes steel wool 9 tightly clamped in the annular gap between the connecting pipe 8 and the outlet pipe 7.

[0034] Compared with the prior art, the muffler 100 of the present invention includes a first housing 1 wound from a metal material, a second housing 2 wound from a metal material, and a connection cone 3 connected between the first housing 1 and the second housing 2. One end of the first housing 1 is welded and fixed to the connection cone 3, and the other end of the second housing 2 is welded and fixed to the connection cone 3. This design method does not require mold opening, saving mold costs; in addition, the first housing 1, the connection cone 3, and the second housing 2 can be independently manufactured and replaced, thereby improving the design flexibility of the muffler 100 and facilitating the realization of part sharing.

[0035] The above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention. The understanding of this specification should be based on those skilled in the art. Although this specification has described the present invention in detail with reference to the above embodiments, those of ordinary skill in the art should understand that those skilled in the art can still modify the present invention or make equivalent substitutions, and all technical solutions and their improvements that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A silencer, characterized in that, It includes a first housing wound from a metallic material, a second housing wound from a metallic material, a connecting cone connected between the first housing and the second housing, and a core assembly at least partially received in the first housing, the connecting cone, and the second housing. The muffler is elongated along the axial direction of the muffler. The core assembly includes an intake pipe, an exhaust pipe, and a plurality of baffles. One end of the connecting cone is fixedly welded to the first housing, and the other end of the connecting cone is fixedly welded to the second housing.

2. The silencer according to claim 1, characterized in that: The first housing is provided with a first internal space, and the muffler includes a first end cover fixed to one end of the first housing.

3. The silencer according to claim 2, characterized in that: The second housing is provided with a second internal space, and the muffler includes a second end cover fixed to one end of the second housing.

4. The silencer according to claim 3, characterized in that: The first housing includes a first connection end opposite to the first end cover, the second housing includes a second connection end opposite to the second end cover, the connecting cone includes a large end on one side and a small end on the other side, wherein the large end is fixedly welded to the first connection end, and the small end is fixedly welded to the second connection end.

5. The silencer according to claim 4, characterized in that: The large end is inserted into the first connection end or the first connection end is inserted into the large end.

6. The silencer according to claim 4, characterized in that: The small end is inserted into the second connection end or the second connection end is inserted into the small end.

7. The silencer according to claim 1, characterized in that: The bottom surface of the first housing is flush with the bottom surface of the second housing.

8. The silencer according to claim 1, characterized in that: The plurality of baffles includes a first baffle, a second baffle, a third baffle, a fourth baffle, and a fifth baffle arranged in sequence along the axial direction of the muffler. The first baffle, the second baffle, and the third baffle are located in the first housing, and the fourth baffle and the fifth baffle are located in the second housing; The intake pipe passes through the first baffle, the second baffle, and the third baffle, and the outlet of the intake pipe is communicated with the cavity of the connecting cone; The exhaust pipe passes through the fourth baffle and the fifth baffle.

9. The silencer according to claim 8, characterized in that: The muffler includes a first cavity located between the first baffle and the second baffle; The core assembly includes a connecting pipe connected to the exhaust pipe, and the connecting pipe passes through the second baffle and the third baffle.

10. The silencer according to claim 9, characterized in that: The muffler includes steel wool tightly clamped in the annular gap between the connecting pipe and the exhaust pipe.

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