CN217421328U - Silencer with aluminum rear cover suitable for 150 engines - Google Patents

Abstract

The utility model belongs to the technical field of the silencer, refer in particular to a take silencer that lid is fit for 150 engines behind aluminium, connect at the blast pipe of silencer barrel front end and the tail pipe that the silencer barrel was stretched out to the rear end including silencer barrel, the rear end of installing on the automobile body, one side cover that the automobile body was kept away from to silencer barrel upper end is equipped with barrel guard shield, tail end cover and is equipped with the back lid, barrel guard shield and back lid adoption aluminum alloy material, the silencer barrel includes the lamellar body one and lamellar body two of mutual amalgamation to form two formula structures through the welding. The utility model discloses can effectively reduce the scald risk, improve the safety in utilization.

Description

Silencer with aluminum rear cover suitable for 150 engines

The technical field is as follows:

the utility model belongs to the technical field of the silencer, refer in particular to a take silencer that lid is fit for 150 engines behind aluminium.

Background art:

a muffler for a motorcycle is a device that allows airflow to pass through to attenuate noise, and is one of important parts on a motorcycle. The performance of the silencer not only affects the noise of the motorcycle, but also has great influence on the performance of the engine such as power, oil consumption, torque and the like.

The muffler is often scalded due to large exhaust volume and high exhaust heat of a 150cc displacement engine, so that the risk of scalding is caused, and the safety is not high.

The invention content is as follows:

the utility model aims at providing a take lid behind aluminium to be fit for the silencer of 150 engines, it can effectively reduce the scald risk, improves the safety in utilization.

The utility model discloses a realize like this:

the utility model provides a take silencer that lid is fit for 150 engines behind aluminium, includes that silencer barrel, rear end installed on the automobile body connect the blast pipe at silencer barrel front end and the tail pipe that the silencer barrel was stretched out to the rear end, one side cover that the automobile body was kept away from to silencer barrel upper end is equipped with barrel guard shield, tail end cover and is equipped with the hou gai, barrel guard shield and hou gai adopt the aluminum alloy material, the silencer barrel includes the piece one and the piece two of mutual amalgamation to form two formula structures through the welding.

In foretell take aluminium after lid to be fit for 150 silencers of engine, be fixed with the mount pad on the silencer barrel, the barrel guard shield is installed on the silencer barrel and the mounting point is provided with more than two through screw one and mount pad spiro union, the mount pad includes that the lower extreme fixes nearly style of calligraphy support on the silencer barrel and fixes and have the internal screw thread erection column in nearly style of calligraphy support upper end, the pole portion and the erection column spiro union of screw one are equipped with the nonmetal cushion of suit on the erection column between screw head and nearly style of calligraphy support, the barrel guard shield card is established on nonmetal cushion.

In the above muffler with an aluminum rear cover suitable for 150 engines, the upper end of the n-shaped support is provided with a mounting hole for the mounting column to pass through, the lower end of the mounting column penetrates out of the mounting column part and is provided with a mounting convex edge, and the mounting column is welded on the n-shaped support through the mounting convex edge.

In the above muffler with an aluminum rear cover suitable for 150 engines, an annular mounting groove is formed in the non-metal elastic pad, and the barrel shield is clamped in the annular mounting groove.

In the above muffler with an aluminum rear cover suitable for 150 engines, the material of the non-metal elastic pad is rubber or silica gel.

In the muffler with the aluminum rear cover suitable for the 150-engine, the pressing cap and the flat gasket which are sleeved on the first rod part of the screw are sequentially arranged between the head part of the screw and the non-metal elastic cushion, and the pressing cap is covered above the flat gasket.

In foretell silencer that lid is fit for 150 engines behind area aluminium, silencer barrel rear end face is fixed with the installing support, the installing support includes the support main part, the support main part downwardly extending has the fixed foot of fixing at silencer barrel rear end face, and support main part middle part is equipped with the through-hole that supplies the tail pipe to pass, outwards extends and has a plurality of installation departments, the installation department below is fixed with mounting nut, and barrel guard shield passes barrel guard shield, installation department through screw two and installs on the silencer barrel with mounting nut spiro union.

In the silencer with the aluminum rear cover suitable for the 150-engine, the lower end of the support in the shape of the Chinese character 'ji' is fixed on the silencer cylinder body through welding, the fixing feet are fixed on the rear end face of the silencer cylinder body through welding, and the mounting nut is fixed on the mounting portion through welding.

In foretell lid is fit for the silencer of 150 engines behind area aluminium, the back lid is established at the back lid main part of silencer barrel tail end including the cover, the rear end face of back lid main part is interior concave table that forms, the concave table middle part is equipped with the boss, forms annular groove between boss lateral wall and the concave table inside wall, the boss middle part is equipped with the hole of dodging that supplies the tail pipe to stretch out, the head setting of screw two is in annular groove.

In the above muffler with an aluminum rear cover suitable for 150 engines, the first sheet body comprises an upper sheet body, an outer sheet body and a rear upper sheet body, the second sheet body comprises a lower sheet body, an inner sheet body and a rear lower sheet body, and the cylinder shield is arranged on the first sheet body.

In foretell silencer that lid is fit for 150 engines behind belted aluminum, silencer barrel 1 passes through the tube mounting bracket to be installed on the automobile body, the tube mounting bracket front end is fixed on the automobile body, the rear end is equipped with the breach with silencer barrel looks adaptation, the both sides wall laminating of breach is on the silencer barrel and through welded fastening on the silencer barrel.

In the muffler with the aluminum rear cover suitable for the 150-engine, the barrel mounting frame is positioned on one side, close to the vehicle body, of the muffler barrel, and the upper side wall of the notch is attached to the first sheet body and the lower side wall of the notch is attached to the second sheet body.

In the muffler with the aluminum rear cover and suitable for the 150-engine, a flange connecting body is sleeved at the joint of the front end of the exhaust pipe and the engine.

In foretell silencer that lid is fit for 150 engines behind area aluminium, preceding chamber, lumen and rear chamber are formed through first baffle and second baffle in the silencer barrel, be fixed with the first muffler pipe that is used for communicateing blast pipe and rear chamber on first baffle and the second baffle, be fixed with the second muffler pipe that is used for communicateing rear chamber and lumen on the second baffle, be fixed with the third muffler pipe that is used for communicateing lumen and preceding chamber on the first baffle, the tail pipe front end is fixed on first baffle and second baffle and is linked together preceding chamber and outside.

Compared with the prior art, the utility model outstanding advantage is:

1. the utility model discloses the barrel guard shield and the back lid of covering on the silencer barrel can effectively cover the silencer barrel, and then reduce the risk of being scalded, effectively improve the safety in utilization, and barrel guard shield and back lid adopt the aluminum alloy material simultaneously, light, antidetonation, prevent scalding; in addition, the silencer cylinder body comprises a first sheet body and a second sheet body which are spliced with each other, and a two-sheet structure is formed by welding, so that the processing difficulty is effectively reduced, the processing is convenient, and the shape of the silencer cylinder body is more diversified;

2. the structure of the mounting seat effectively supports the barrel shield, and the barrel shield is prevented from being directly attached to the silencer barrel, so that the silencer barrel is poor in heat dissipation effect, and the barrel shield is fast in temperature rise; the cylinder protective cover is fixed on the silencer cylinder through the non-metal elastic pad, so that the heat transfer of the silencer cylinder to the cylinder protective cover is effectively reduced, the heating speed of the cylinder protective cover is reduced, and the shock absorption function is realized;

3. the structure of the mounting bracket of the utility model effectively supports the rear cover, prevents the rear cover from being concave inwards, and has simple and firm mounting structure and convenient assembly;

4. the utility model discloses the junction cover of blast pipe front end and engine is equipped with the flange connector, can protect the blast pipe inlet end, avoids high temperature to scald bad blast pipe and destroys its leakproofness.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the present invention from another angle;

FIG. 3 is an exploded view of the present invention without an exhaust pipe;

FIG. 4 is a perspective view of the mounting structure of the cartridge housing of the present invention;

fig. 5 is a perspective view of the mounting base of the present invention;

fig. 6 is a perspective view of the mounting bracket of the present invention;

fig. 7 is a perspective view of the rear cover of the present invention;

fig. 8 is a perspective view of the internal structure of the muffler cylinder of the present invention.

Reference numerals: 1. a muffler cylinder; 1a, a first sheet body; 1b, a second sheet body; 2. an exhaust pipe; 3. a tail pipe; 4. a cartridge housing; 5. a rear cover; 5a, a rear cover main body; 5b, a boss; 5c, an annular groove; 5d, avoiding holes; 6. a first screw; 7. a mounting base; 7a, a support shaped like a Chinese character 'ji'; 7b, mounting columns; 7c, installing a convex edge; 8. a non-metallic resilient pad; 8a, an annular mounting groove; 9. pressing the cap; 10. a flat gasket; 11. mounting a bracket; 11a, a stent main body; 11b, fixing pins; 11c, a through hole; 11d, mounting parts; 11e, mounting a nut; 12. a second screw; 13. a cylinder mounting frame; 14. a flange connector; 15. a first separator; 16. a second separator; 17. a first muffler pipe; 18. a second muffler pipe; 19. and a third sound-absorbing tube.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, see figures 1-8:

the utility model provides a take silencer that lid is fit for 150 engines behind aluminium, includes that the tail pipe 3 that the silencer barrel 1 was stretched out at the blast pipe 2 and the rear end of 1 front ends of silencer barrel is connected to silencer barrel 1, rear end on the automobile body, one side cover that the automobile body was kept away from to 1 upper end of silencer barrel is equipped with barrel guard 4, tail end cover and is equipped with back lid 5, barrel guard 4 and back lid 5 adopt aluminum alloy material, silencer barrel 1 is including the piece one 1a and two 1b of piece of mutual amalgamation to form two formula structures through the welding.

As shown in fig. 1-3, the muffler cylinder 1 of the present invention is covered with the cylinder shield 4 and the rear cover 5, so as to effectively cover the muffler cylinder 1, further reduce the risk of being scalded, and effectively improve the safety of use, and meanwhile, the cylinder shield 4 and the rear cover 5 are made of aluminum alloy, so as to be light, shock-resistant and scald-proof; in addition the silencer barrel 1 includes two 1b of lamellar body 1a and the lamellar body of mutual amalgamation to through welding formation two formula structures, reduced the processing degree of difficulty, be convenient for process, make the shape of silencer barrel 1 more diversified, can accord with the sports car to various requirements of shape.

Mounting structure of cartridge housing 4: as shown in fig. 2-5, be fixed with mount pad 7 on the silencer barrel 1, barrel guard 4 is installed on the silencer barrel 1 and the mounting point is provided with more than two through a screw 6 and a mount pad 7 spiro union, mount pad 7 includes that the lower extreme is fixed several style of calligraphy supports 7a on the silencer barrel 1 and fixes and to have internal screw thread erection column 7b in several style of calligraphy supports 7a upper end, the pole portion and the erection column 7b spiro union of a screw 6, is equipped with the nonmetal cushion 8 of suit on erection column 7b between a screw 6 head and several style of calligraphy supports 7a, barrel guard 4 card is established on nonmetal cushion 8. The structure of the mounting seat 7 effectively supports the barrel shield 4, so that the barrel shield 4 is prevented from being directly attached to the silencer barrel 1, the silencer barrel 1 is poor in heat dissipation effect, and the barrel shield 4 is fast in temperature rise; the cylinder protective cover 4 is fixed on the silencer cylinder 1 through the nonmetal elastic pad 8, the nonmetal heat conductivity is lower than that of metal aluminum, the heat transfer of the silencer cylinder 1 is effectively reduced to the cylinder protective cover 4, the temperature rising speed of the cylinder protective cover 4 is reduced, and the cylinder protective cover has a damping effect. In this embodiment, the number of the mounting points is three, one of the mounting points is located at the rear end of the silencer cylinder 1, the other two mounting points are located at the front end of the silencer cylinder 1, one of the mounting points is located at the upper end of the silencer cylinder 1, and the other mounting point is located at one side, away from the vehicle body, of the silencer cylinder 1.

Fixing structure of the mounting post 7 b: as shown in fig. 5, the upper end of the n-shaped support 7a is provided with a mounting hole for the mounting column 7b to pass through, the part of the lower end of the mounting column 7b penetrating out of the mounting column 7b is provided with a mounting convex edge 7c, and the mounting column 7b is welded on the n-shaped support 7a through the mounting convex edge 7c and fixed on the n-shaped support 7 a.

Mounting structure of barrel guard 4 and barrel guard 4: be equipped with annular mounting groove 8a on the nonmetal cushion 8, barrel guard 4 card is established in annular mounting groove 8 a.

Furthermore, the non-metal elastic pad 8 is made of rubber or silicone.

In order to fix the cylinder shield 4 better, as shown in fig. 1-4, a pressing cap 9 and a flat gasket 10 which are sleeved on the rod part of the screw one 6 are sequentially arranged between the head part of the screw one 6 and the nonmetal elastic pad 8, and the pressing cap 9 is covered above the flat gasket 10. The head of the first screw 6 is pressed on the nonmetal elastic pad 8 through the flat gasket 10, so that the pressing effect is good and the screw is more firm; the pressure cap 9 covers the flat gasket 10, effectively protects the flat gasket 10 and the non-metal elastic pad 8, and slows down rusting of the flat gasket 10 and aging of the non-metal elastic pad 8.

Mounting structure of rear cover 5: as shown in fig. 3 and 6, the rear end face of the muffler cylinder 1 is fixed with a mounting bracket 11, the mounting bracket 11 includes a bracket main body 11a, the bracket main body 11a extends downwards to have a fixing pin 11b fixed on the rear end face of the muffler cylinder 1, the middle part of the bracket main body 11a is provided with a through hole 11c for the tail pipe 3 to pass through, and a plurality of mounting parts 11d extend outwards, a mounting nut 11e is fixed below the mounting part 11d, and the cylinder shield 4 passes through the cylinder shield 4 through a second screw 12, and the mounting part 11d is screwed with the mounting nut 11e and is mounted on the muffler cylinder 1. The structure of the mounting bracket 11 effectively supports the rear cover 5 to prevent it from being recessed, and the mounting structure is simple and firm and is convenient to assemble. In this embodiment, two fixing legs 11b are provided, and three mounting portions 11d are provided.

Furthermore, the lower end of the support 7a is fixed on the muffler cylinder 1 by welding, the fixing feet 11b are fixed on the rear end face of the muffler cylinder 1 by welding, and the mounting nut 11e is fixed on the mounting part 11d by welding, so that the fixing is firm and reliable, and the assembly is convenient.

Structure of the rear cover 5: as shown in fig. 7, the rear cover 5 includes a rear cover main body 5a covering the rear end of the muffler barrel 1, the rear end face of the rear cover main body 5a is concave to form a concave table, a boss 5b is arranged in the middle of the concave table, an annular groove 5c is formed between the outer side wall of the boss 5b and the inner side wall of the concave table, an avoiding hole 5d for the tail pipe 3 to extend out is arranged in the middle of the boss 5b, and the head of the second screw 12 is arranged in the annular groove 5 c. The arrangement of the annular groove 5c and the boss 5b effectively improves the strength of the rear cover 5.

Structure of sheet 1 a: the sheet body I1 a comprises an upper sheet body, an outer sheet body and a rear upper sheet body; structure of the second sheet body 1 b: the second sheet body 1b comprises a lower sheet body, an inner sheet body and a rear lower sheet body, and the cylinder protective cover 4 covers the first sheet body 1 a.

Mounting structure of silencer barrel 1: as shown in fig. 1-3, the silencer cylinder 1 is installed on the vehicle body through the cylinder installation frame 13, the front end of the cylinder installation frame 13 is fixed on the vehicle body, the rear end of the cylinder installation frame 13 is provided with a notch matched with the silencer cylinder 1, two side walls of the notch are attached to the silencer cylinder 1 and fixed on the silencer cylinder 1 through welding, and the silencer cylinder is firm and reliable in installation.

Furthermore, the cylinder mounting frame 13 is positioned on one side of the muffler cylinder 1 close to the vehicle body, the upper side wall of the notch is attached to the first sheet body 1a, and the lower side wall of the notch is attached to the second sheet body 1b, so that the first sheet body 1a and the second sheet body 1b are effectively fastened.

Furthermore, a flange connector 14 is sleeved at the joint of the front end of the exhaust pipe 2 and the engine, so that the air inlet end of the exhaust pipe 2 can be protected, and the exhaust pipe 2 is prevented from being damaged by high temperature to damage the sealing performance of the exhaust pipe 2.

Internal structure of the muffler cylinder 1: as shown in fig. 8, a front chamber, a middle chamber and a rear chamber are formed in the muffler cylinder 1 by a first partition plate 15 and a second partition plate 16, a first muffling pipe 17 for communicating the exhaust pipe 2 with the rear chamber is fixed on the first partition plate 15 and the second partition plate 16, a second muffling pipe 18 for communicating the rear chamber with the middle chamber is fixed on the second partition plate 16, a third muffling pipe 19 for communicating the middle chamber with the front chamber is fixed on the first partition plate 15, and the front end of the tail pipe 3 is fixed on the first partition plate 15 and the second partition plate 16 and communicates the front chamber with the outside. The tail gas discharged by the engine enters the silencer cylinder body 1 through the exhaust pipe 2, enters the rear cavity through the first silencing pipe 17, enters the middle cavity through the second silencing pipe 18, enters the front cavity through the third silencing pipe 19, and is finally discharged through the tail pipe 19. The tail gas is catalyzed and filtered by the catalyst, and the three chambers impact for many times, so that the noise is greatly reduced, and the tail gas catalytic filter is suitable for the high-displacement engine of 150 cc. The utility model discloses a first muffler pipe 17 intercommunication blast pipe 2 and back chamber effectively lengthen the length of first muffler pipe 17 in limited space, are convenient for install as much as possible catalyst, and noise elimination effect is good.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a lid is fit for silencer of 150 engines behind area aluminium, including install silencer barrel (1) on the automobile body, the rear end is connected in blast pipe (2) of silencer barrel (1) front end to and tail pipe (3) that silencer barrel (1) was stretched out to the rear end, its characterized in that: silencer barrel (1) upper end is kept away from one side cover of automobile body and is equipped with barrel guard shield (4), tail end cover and is equipped with back lid (5), barrel guard shield (4) and back lid (5) adopt the aluminum alloy material, silencer barrel (1) is including piece one (1a) and two (1b) of piece that splice each other to form two formula structures through the welding.

2. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 1, wherein: be fixed with mount pad (7) on silencer barrel (1), barrel guard shield (4) are installed on silencer barrel (1) and the mounting point is provided with more than two through screw (6) and mount pad (7) spiral shell even, mount pad (7) include that the lower extreme is fixed several style of calligraphy support (7a) on silencer barrel (1) and fix and have internal screw thread erection column (7b) in several style of calligraphy support (7a) upper ends, the pole portion and erection column (7b) spiral shell of screw (6) link, are equipped with nonmetal elastic pad (8) of suit on erection column (7b) between screw (6) head and several style of calligraphy support (7a), barrel guard shield (4) card is established on nonmetal elastic pad (8).

3. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 2, wherein: a pressing cap (9) and a flat gasket (10) which are sleeved on the rod part of the first screw (6) are sequentially arranged between the head part of the first screw (6) and the non-metal elastic pad (8), and the pressing cap (9) is covered above the flat gasket (10).

4. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 1, wherein: silencer barrel (1) rear end face is fixed with installing support (11), installing support (11) are including support subject (11a), support subject (11a) downwardly extending has fixed foot (11b) of fixing at silencer barrel (1) rear end face, and support subject (11a) middle part is equipped with through-hole (11c) that supply tail pipe (3) to pass, outwards extends and has a plurality of installation departments (11d), installation department (11d) below is fixed with mounting nut (11e), and barrel guard (4) pass barrel guard (4), installation department (11d) and mounting nut (11e) spiro union through screw two (12) and install on silencer barrel (1).

5. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 4, wherein: rear cover (5) are established back lid main part (5a) at silencer barrel (1) tail end including the cover, the rear end face of back lid main part (5a) is interior concave station that forms, the concave station middle part is equipped with boss (5b), forms annular groove (5c) between boss (5b) lateral wall and the concave station inside wall, boss (5b) middle part is equipped with the hole of dodging (5d) that supplies tail pipe (3) to stretch out, the head setting of two (12) screws is in annular groove (5 c).

6. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 1, wherein: the first sheet body (1a) comprises an upper sheet body, an outer sheet body and a rear upper sheet body, the second sheet body (1b) comprises a lower sheet body, an inner sheet body and a rear lower sheet body, and the cylinder protective cover (4) covers the first sheet body (1 a).

7. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 1, wherein: silencer barrel (1) is installed on the automobile body through barrel mounting bracket (13), barrel mounting bracket (13) front end is fixed on the automobile body, the rear end is equipped with the breach with silencer barrel (1) looks adaptation, the both sides wall laminating of breach is on silencer barrel (1) and through welded fastening on silencer barrel (1).

8. The muffler with an aluminum rear cover suitable for a 150-engine as claimed in claim 1, wherein: and a flange connector (14) is sleeved at the joint of the front end of the exhaust pipe (2) and the engine.

9. The muffler with an aluminum rear cover suitable for 150 engines as claimed in claim 1, wherein: form antechamber, lumen and rear chamber through first baffle (15) and second baffle (16) in silencer barrel (1), be fixed with first muffler pipe (17) that are used for intercommunication blast pipe (2) and rear chamber on first baffle (15) and second baffle (16), be fixed with second muffler pipe (18) that are used for intercommunication rear chamber and lumen on second baffle (16), be fixed with third muffler pipe (19) that are used for communicateing lumen and antechamber on first baffle (15), tail pipe (3) front end is fixed on first baffle (15) and second baffle (16) and is linked through antechamber and outside.

Images