CN220267800U

CN220267800U - Silencer for general purpose engine

Info

Publication number: CN220267800U
Application number: CN202320687302.5U
Authority: CN
Inventors: 何永明
Original assignee: Chongqing Xulong Technology Co ltd
Current assignee: Chongqing Xulong Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-12-29
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a muffler for a general engine, which belongs to the technical field of mufflers and comprises a muffling cylinder, wherein the lower end of the muffling cylinder is fixedly connected with an air inlet pipeline, the upper end of the muffling cylinder is fixedly provided with an exhaust pipeline, the inside of the muffling cylinder is fixedly connected with two partition boards, the partition boards divide the inside of the muffling cylinder into a first muffling cavity and a second muffling cavity, and one side of the upper end of the partition board is fixedly connected with a muffling medium pipe. This setting is when the air current reachd the inside in first amortization chamber through admission line, converts the inside rethread exhaust duct in second amortization chamber through the amortization intermediate tube that sets up and changes and pass out, at the in-process of conversion, reduces the consumption with sound, and the amortization effect is obvious, and noise reduction efficiency is better.

Description

Silencer for general purpose engine

Technical Field

The utility model belongs to the technical field of silencers, and particularly relates to a silencer for a general purpose engine.

Background

At present, the muffler on the general gasoline engine comprises a protective cover, a muffler body and a mounting tube, and is used for exhausting gas of the general gasoline engine, reducing noise of the general gasoline engine, and most of the muffler is vertically mounted, and most of the mounting tube is linear or provided with a small radian for cooperation.

Above-mentioned current general machine silencer, when using, the amortization effect is general, leads to current general machine noise still very big, and the structure is complicated, and the cost is higher, has certain limitation.

Disclosure of Invention

The utility model aims to provide a muffler for a general purpose engine, which aims to solve the problems that the existing muffler for the general purpose engine is provided in the background art, and when the muffler is used, the existing muffler for the general purpose engine is still quite loud in noise, complex in structure and high in cost, and has certain limitation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a silencer for general-purpose machine, includes the amortization section of thick bamboo, the lower extreme fixedly connected with admission line of amortization section of thick bamboo, the upper end fixedly provided with exhaust duct of amortization section of thick bamboo, the inside fixedly connected with baffle of amortization section of thick bamboo, the quantity of baffle has two, the baffle has first amortization chamber and second amortization chamber with the internal separation of amortization section of thick bamboo, the upper end one side fixedly connected with amortization medium pipe of baffle.

Preferably, the air inlet pipeline is positioned at one end of the first silencing cavity, and silencing holes are fixedly formed in the outer surface of one end of the air inlet pipeline, and the quantity of the silencing holes is a plurality of.

Preferably, the same silencing hole is fixedly formed in one end of the silencing medium pipe located in the first silencing cavity, and the same silencing hole is fixedly formed in one end surface of the exhaust pipeline located in the second silencing cavity.

Preferably, the inside sliding connection of exhaust duct has a slide, the inside drawing of one end of slide is empty, the surface both sides of exhaust duct are fixed to be seted up the second ventilation groove, the both sides of slide are fixed to be seted up first ventilation groove, the position in first ventilation groove and second ventilation groove is corresponding.

Preferably, the lower extreme fixedly connected with unable adjustment base of admission line, unable adjustment base's surface is fixed to be offered the screw thread fixed orifices, the quantity of screw thread fixed orifices has four.

Preferably, the inner wall of the silencing barrel is fixedly provided with a heat insulation layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the air current reachs the inside in first amortization chamber through admission line, through the amortization intermediate tube conversion that sets up to the inside rethread exhaust duct in second amortization chamber converts and passes out, at the in-process of conversion, reduces the consumption with sound, and the amortization effect is obvious, and noise reduction efficiency is better.

2. Through the spring that sets up, under the elastic action of spring, promote the slide down and slide the inside of exhaust duct, can not carry out the flow of air, the inside air of amortization section of thick bamboo can be compressed this moment, and sound also turns into heat energy thereupon, further consumption, after compressing to a certain extent, promotes the slide and moves up and discharge air, is favorable to further making an uproar falls, simultaneously, when not exhausting, under the elastic action of spring, make the slide down slide the exhaust duct inside, the effectual dust that has prevented the outside falls the work of inside interference general purpose machine.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the muffler of the present utility model;

FIG. 3 is a schematic view of the internal structure of the exhaust duct of the present utility model;

fig. 4 is a schematic structural view of the silencing pot of the present utility model.

In the figure: 1. a sound deadening cylinder; 2. an air intake duct; 3. an exhaust duct; 5. a first sound deadening chamber; 6. a second sound deadening chamber; 7. a partition plate; 8. a silencing medium pipe; 9. a sound deadening hole; 10. a slide cylinder; 11. a spring; 12. a first vent groove; 13. a second vent groove; 14. a fixed base; 15. a threaded fixing hole; 16. and a heat insulation layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a silencer for general-purpose engine, includes a silencing barrel 1, and the lower extreme fixedly connected with admission line 2 of silencing barrel 1, the upper end fixedly provided with exhaust duct 3 of silencing barrel 1, the inside fixedly connected with baffle 7 of silencing barrel 1, the quantity of baffle 7 has two, and baffle 7 has first amortization chamber 5 and second amortization chamber 6 with the internal partition of silencing barrel 1, one side fixedly connected with amortization medium pipe 8 of upper end baffle 7.

In this embodiment, cut apart the inside of amortization section of thick bamboo 1 into three cavity through baffle 7 that set up, the top is second amortization chamber 6, and the centre is first amortization chamber 5, when the air current reachd the inside of first amortization chamber 5 through intake pipe 2, converts the inside rethread exhaust pipe 3 of second amortization chamber 6 through amortization medium pipe 8 that sets up and converts and pass out, at the in-process of conversion, reduces the consumption with sound, and the amortization effect is obvious, and noise reduction efficiency is better.

Specifically, the air inlet pipeline 2 is located one end external surface fixed of first amortization chamber 5 and has seted up amortization hole 9, and amortization hole 9 makes the quantity have a plurality ofly.

In this embodiment, the sound is silenced through the resistance, so that the silencing effect is better.

Specifically, the same silencing hole 9 is fixedly formed in one end of the silencing medium pipe 8 located in the first silencing cavity 5, and the same silencing hole 9 is fixedly formed in one end surface of the exhaust pipeline 3 located in the second silencing cavity 6.

In this embodiment, through the amortization hole 9 of seting up at amortization medium pipe 8, through the further consumption propagation of amortization medium pipe 8 at the sound through air inlet duct 2, can further carry out resistive amortization, exhaust duct 3 that the same setting also can further carry out amortization for the amortization effect is better.

Specifically, the inside sliding connection of exhaust duct 3 has a slide tube 10, and the inside one end of slide tube 10 draws the sky, and the surface both sides of exhaust duct 3 are fixed to be seted up second ventilation groove 13, and the both sides of slide tube 10 are fixed to be seted up first ventilation groove 12, and the position of first ventilation groove 12 and second ventilation groove 13 is corresponding.

In this embodiment, the first ventilation slots 12 formed on both sides of the sliding tube 10 can be corresponding to the second ventilation slots 13, so as to distribute and circulate the air inside the silencing tube 1.

Specifically, one end fixedly connected with spring 11 of a section of thick bamboo 10, the one end fixed connection of spring 11 is provided with the stabilizer in the inside bottom of exhaust duct 3, the surface of spring 11.

In this embodiment, through the spring 11 that sets up, under the elasticity effect of spring 11, promote slide 10 and slide to the inside of exhaust duct 3, can not carry out the flow of air, the inside air of amortization section of thick bamboo 1 can be compressed this moment, sound also turns into heat energy thereupon, further consumption, after compressing to a certain extent, promote slide 10 and shift up and discharge air, be favorable to further making an uproar, simultaneously, when not exhausting, under the elasticity effect of spring 11, make slide 10 slide to the inside of exhaust duct 3, the effectual dust that has prevented the outside falls to the work of inside interference general machine.

Specifically, the lower extreme fixedly connected with unable adjustment base 14 of admission line 2, unable adjustment base 14's surface is fixed to be offered screw thread fixed orifices 15, and screw thread fixed orifices 15's quantity has four.

In this embodiment, the whole body can be screwed and fixed by the fixed base 14, so that the disassembly and maintenance are convenient.

Specifically, the inner wall of the silencing pot 1 is fixedly provided with a heat insulating layer 16.

In this embodiment, the heat insulation layer 16 can insulate the outside, so that the heat generated during noise reduction can be prevented from heating the surface of the silencing cylinder 1, and the contact person can be scalded.

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

Claims

1. The utility model provides a silencer for general-purpose machine, includes amortization section of thick bamboo (1), its characterized in that: the utility model discloses a muffler for a vehicle, including a muffler section of thick bamboo (1), lower extreme fixedly connected with admission line (2), the upper end of muffler section of thick bamboo (1) is fixedly provided with exhaust duct (3), the inside fixedly connected with baffle (7) of muffler section of thick bamboo (1), the quantity of baffle (7) has two, baffle (7) are with the inside separation of muffler section of thick bamboo (1) has first amortization chamber (5) and second amortization chamber (6), the upper end one side fixedly connected with amortization of baffle (7) is mediated pipe (8), the inside sliding connection of exhaust duct (3) has a smooth section of thick bamboo (10), the inside of smooth section of thick bamboo (10) is drawn out, second ventilation groove (13) have been seted up to the outside surface both sides of exhaust duct (3), the position of smooth section of thick bamboo (10) is corresponding, the one end fixedly connected with spring (11) of smooth section of thick bamboo (10), the one end fixedly connected with spring (11) is at the inside of exhaust duct (3), the surface of stabilizing of spring (11).

2. A muffler for a general purpose engine as defined in claim 1, wherein: the air inlet pipeline (2) is located at one end of the first silencing cavity (5), silencing holes (9) are fixedly formed in the outer surface of the air inlet pipeline, and the number of the silencing holes (9) is a plurality of.

3. A muffler for a general purpose engine as defined in claim 2, wherein: the one end that amortization medium pipe (8) are located in first amortization chamber (5) is fixed to be seted up same amortization hole (9), exhaust pipe (3) are located one end fixed surface that second amortization chamber (6) is seted up same amortization hole (9).

4. A muffler for a general purpose engine as defined in claim 1, wherein: the lower extreme fixedly connected with unable adjustment base (14) of admission line (2), the external surface fixed of unable adjustment base (14) has offered screw thread fixed orifices (15), the quantity of screw thread fixed orifices (15) has four.

5. A muffler for a general purpose engine as defined in claim 1, wherein: the inner wall of the silencing barrel (1) is fixedly provided with a heat insulation layer (16).