CN214944515U - Silencer - Google Patents

Abstract

The utility model discloses a muffler contains amortization room and intake pipe, and the amortization room is the cuboid structure, and the amortization room contains casing, lower casing and baffle, and the lower port of going up the casing is equipped with down the overlap the last port of casing is equipped with the overlap, goes up the lower overlap setting of the lower port of casing on the periphery of the upper surface of baffle, and the last overlap setting of the last port of lower casing is on the periphery of the lower surface of baffle, and casing and baffle setting are in the interior top of last casing under the upper end of intake pipe is passed, the outside of going up the casing is equipped with the heat shield, and the both ends limit of heat shield sets up respectively on the lower overlap that is equipped with on the lower port of last casing, still contains the mounting panel, and the upper end of mounting panel sets up on the lower overlap of last casing, and the lower extreme setting of mounting panel is on the bottom surface of casing down.

Description

Silencer

Technical Field

The utility model relates to a noise eliminator for gasoline engine, specifically speaking are silencers.

Background

One type of existing gasoline engine used on snow blowers contains a muffler, which includes a muffling chamber and an intake pipe. The anechoic chamber comprises an upper shell, a lower shell and a partition plate, wherein a lower end opening of the upper shell is provided with a lower flange, an upper end opening of the lower shell is provided with an upper flange, the lower flange of the lower end opening of the upper shell is arranged on the periphery of the upper surface of the partition plate, and the upper flange of the upper end opening of the lower shell is arranged on the periphery of the lower surface of the partition plate. The upper end of the air inlet pipe penetrates through the lower shell and the partition plate and is arranged at the top in the upper shell. Because the temperature of the anechoic chamber of the silencer is higher, the heat emitted outwards is more, so that the temperature of the outer cover body arranged outside the silencer is higher, and scalding is easily caused. Meanwhile, the temperature of the anechoic chamber is high, and the overall strength and rigidity are poor, so that deformation is easily caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a silencer, this silencer not only intensity and rigidity are good, can reduce the heat that outwards gives off moreover.

For solving the technical problem, the utility model relates to a muffler contains amortization room and intake pipe, and the amortization room is the cuboid structure, and the amortization room contains casing, lower casing and baffle, and the lower port of going up the casing is equipped with down the overlap, and the last port of casing is equipped with down the overlap down, and the lower overlap setting of going up the lower port of casing is on the periphery of the upper surface of baffle, and the last overlap setting of the last port of lower casing is on the periphery of the lower surface of baffle, and the upper end of intake pipe is passed down casing and baffle setting at the interior top of last casing, the outside of going up the casing is equipped with the heat shield, and the both ends limit of heat shield sets up respectively under last casing on the lower overlap on port both sides, still contains the mounting panel, and the upper end of mounting panel sets up on the lower overlap of last casing, and the lower extreme setting of mounting panel is on the bottom surface of casing down.

The lower flash of the upper shell comprises a lower front flash, a lower rear flash, a lower left flash and a lower right flash; the heat shield comprises a front panel, a top panel and a rear panel, the upper end of the front panel and the upper end of the rear panel are respectively arranged at the front end and the rear end of the top panel, the lower end of the front panel and the lower end of the rear panel are respectively arranged on a lower front flange and a lower rear flange of a lower flange of the upper shell, and a space is reserved between the heat shield and the outer surface of the upper shell.

The distance between the heat shield and the outer surface of the upper shell is 5-25 mm.

The support plate comprises a vertical plate and a transverse plate, the vertical plate and the transverse plate form an L-shaped integral structure, one end of the vertical plate is arranged on the lower left fly edge of the upper shell, and one end of the transverse plate is arranged on the bottom surface of the lower shell.

An open slot is arranged between the lower part of the vertical plate and the transverse plate of the support plate.

Screw holes and fixing nuts are respectively arranged on two sides of the lower portion of the vertical plate of the support.

In the silencer, the heat shield is arranged on the outer side of the upper shell, so that heat of the silencing chamber is prevented from being dissipated outwards, the temperature of the outer cover body arranged on the outer side of the silencer is reduced, and scalding is avoided. Because the upper end setting of mounting panel is on the lower fly of last casing, and the lower extreme setting of mounting panel is on the bottom surface of casing down, consequently has improved the bulk strength and the rigidity of muffler, has avoided the emergence of deformation phenomenon.

Drawings

FIG. 1 is a schematic structural view of the muffler of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

fig. 3 is a schematic perspective view of the silencer of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more and "several" means two or more unless otherwise specified.

As shown in fig. 1, 2 and 3, the utility model discloses a silencer, which comprises a silencing chamber and an air inlet pipe, wherein the silencing chamber is of a cuboid structure and comprises an upper shell 6, a lower shell 9 and a partition 7. The lower port of the upper shell 6 is provided with a lower flange 4, and the upper port of the lower shell 9 is provided with an upper flange 8. The lower flash 4 of the lower port of the upper case 6 is provided on the periphery of the upper surface of the partition plate 7, and the upper flash 8 of the upper port of the lower case 9 is provided on the periphery of the lower surface of the partition plate 7. The upper end of the air inlet pipe 11 is arranged at the inner top of the upper shell 6 through the lower shell 9 and the partition 7. And the outer side of the upper shell 6 is provided with a heat shield 5, and two end edges of the heat shield 5 are respectively arranged on the lower flanges 4 at two sides of the lower port of the upper shell 6. Above-mentioned muffler still contains mounting panel 2, and the upper end of mounting panel 2 sets up on the lower overlap 4 of last casing 6, and the lower extreme setting of mounting panel 2 is on the bottom surface of casing 9 down.

In order to simplify the structure and reduce the cost, as shown in fig. 1 and 2, the lower flash 4 of the upper shell 6 comprises a lower front flash 13, a lower rear flash, a lower left flash 12 and a lower right flash 14. The heat shield 5 comprises a front panel 19, a top panel and a rear panel. The upper end of the front panel 19 and the upper end of the rear panel are respectively arranged on the front end and the rear end of the top panel, the lower end of the front panel 19 and the lower end of the rear panel are respectively arranged on the lower front flange 13 and the lower rear flange 16 of the lower flange 4 of the upper shell 6, and a space is reserved between the heat shield 5 and the outer surface of the upper shell 6.

In order to optimize the heat shielding effect, the distance between the heat shielding plate 5 and the outer surface of the upper shell 6 is 5-25 mm.

In order to simplify the structure and reduce the cost, the support plate 2 comprises a vertical plate and a transverse plate, the vertical plate and the transverse plate form an L-shaped integral structure, one end 3 of the vertical plate is arranged on a lower left flange 12 of the upper shell 6, and one end 10 of the transverse plate is arranged on the bottom surface of the lower shell 9.

For the convenience of installation, the lower part of the vertical plate and the middle of the transverse plate of the support plate 2 are provided with an open slot 18.

For the convenience of installation, the two sides of the lower part of the vertical plate of the bracket 2 are respectively provided with a screw hole and a fixing nut, as shown in fig. 2, namely a first screw hole and a first fixing nut 1, and a second screw hole and a second fixing nut 17.

In the silencer, the heat shield 5 is arranged on the outer side of the upper shell 6, so that heat of the silencing chamber is prevented from being dissipated outwards, the temperature of an outer cover body arranged on the outer side of the silencer is reduced, and scalding is avoided. The upper end of the support plate 2 is arranged on the lower flash edge 4 of the upper shell 6, and the lower end of the support plate 2 is arranged on the bottom surface of the lower shell 9, so that the overall strength and rigidity of the silencer are improved, and the deformation phenomenon is avoided.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (5)

1. The utility model provides a silencer, contain amortization room and intake pipe, the amortization room is the cuboid structure, the amortization room contains casing, lower casing and baffle, the lower port of going up the casing is equipped with down the overlap, the last port of lower casing is equipped with the overlap, the lower overlap of the lower port of going up the casing sets up on the periphery of the upper surface of baffle, the last overlap of the upper port of lower casing sets up on the periphery of the lower surface of baffle, the upper end of intake pipe passes lower casing and baffle setting at the inside top of last casing, a serial communication port, the outside of going up the casing is equipped with the heat shield, the both ends limit of heat shield sets up respectively on the lower overlap on port both sides under last casing, still contain the mounting panel, the upper end of mounting panel sets up on the lower overlap of last casing, the lower extreme setting of mounting panel is on the bottom surface of casing down.

2. The muffler of claim 1, wherein the lower flash of the upper shell comprises a lower front flash, a lower rear flash, a lower left flash, and a lower right flash; the heat shield comprises a front panel, a top panel and a rear panel, the upper end of the front panel and the upper end of the rear panel are respectively arranged at the front end and the rear end of the top panel, the lower end of the front panel and the lower end of the rear panel are respectively arranged on a lower front flange and a lower rear flange of a lower flange of the upper shell, and a space is reserved between the heat shield and the outer surface of the upper shell.

3. The muffler of claim 1, wherein the support plate comprises a vertical plate and a horizontal plate, the vertical plate and the horizontal plate form an L-shaped integral structure, one end of the vertical plate is disposed on the lower left fly edge of the upper housing, and one end of the horizontal plate is disposed on the bottom surface of the lower housing.

4. The muffler of claim 2, wherein the bracket plates have open slots formed in the lower portions of the vertical and transverse plates.

5. The silencer of claim 3, wherein the bracket is provided with screw holes and fixing nuts on both sides of the lower portion of the vertical plate.

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