CN211549820U - Dust-exhausting injection silencer - Google Patents

Abstract

The utility model relates to the technical field of engine accessories, in particular to a dust-discharging ejection silencer which has simple structure, does not need power and improves the heat dissipation effect of the silencer; including amortization shell and heat dissipation shell, the inside cavity of amortization shell, amortization shell left side intercommunication is provided with the intake pipe, amortization shell right side intercommunication is provided with the outlet duct, the inside vertical a plurality of amortization pieces that are provided with of amortization shell, the inside half regional intercommunication on the right side of amortization shell is provided with the multiunit installing port, every group installing port department all is provided with communicating pipe, the inside cavity of heat dissipation shell, heat dissipation shell left side wall and right side wall communicate respectively and are provided with left fixed mouthful and right fixed mouthful, the inside lateral wall of left fixed mouthful and right fixed mouthful is connected with amortization shell lateral wall half regional on the left side and half right side respectively, the left half regional intercommunication of heat dissipation shell lateral wall is provided.

Description

Dust-exhausting injection silencer

Technical Field

The utility model relates to a technical field of engine auxiliary device especially relates to a dust exhaust draws penetrates silencer.

Background

At present, as is known, the existing exhaust muffler of an engine mainly functions to reduce noise generated by the engine, and mainly adopts a reactive exhaust muffler structure with an expanded pipe section and a contracted pipe section, so as to achieve the purpose of muffling by using sound waves at a sudden change position of the section due to the change of acoustic reactance.

Closed units powered by internal combustion engines, such as generators, high pressure cleaners, etc., generally employ closed structures to reduce noise. However, the above-mentioned closed type unit usually has a prominent problem of heat dissipation of the muffler, and if the heat of the muffler is diffused to the inside of the closed type unit, the power of the engine is reduced, and the efficiency of the motor or the pump set is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dust exhaust draws penetrates silencer, its simple structure need not power, improves the radiating effect of silencer.

The utility model discloses a dust-discharging ejection silencer, which comprises a silencing shell and a radiating shell, wherein the silencing shell is internally hollow, the left side of the silencing shell is communicated with an air inlet pipe, the right side of the silencing shell is communicated with an air outlet pipe, a plurality of silencing sheets are longitudinally arranged inside the silencing shell, the right half area inside the silencing shell is communicated with a plurality of groups of mounting ports, each group of the mounting ports is provided with a communicating pipe, the inside of the radiating shell is hollow, the left side wall and the right side wall of the radiating shell are respectively communicated with a left fixing port and a right fixing port, the inner side walls of the left fixing port and the right fixing port are respectively connected with the left half area and the right half area of the outer side wall of the silencing shell, the left half area of the outer side wall of the radiating shell is communicated with a plurality of groups of air inlets, the left side wall of the locking ring is provided with a second annular groove, the left end and the right end of the annular filter screen are respectively inserted into the first annular groove and the second annular groove, and the four groups of screws penetrate through the locking ring and then are screwed on the support ring.

Preferably, a locking washer is arranged between each group of the screws and the locking ring.

Preferably, every group communicating pipe all is the arc to every group communicating pipe is close to amortization shell center department and all is the level form.

Preferably, the end face of the input end of each communicating pipe is inclined.

Preferably, the heat dissipation shell is made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that: during normal use, waste gas enters into the amortization shell along the intake pipe inside, discharge along the outlet duct behind multiunit amortization piece noise reduction, when waste gas flows to multiunit communicating pipe output, cause multiunit communicating pipe output department pressure reduction, external cold air passes annular filter screen and multiunit air inlet and enters into between amortization shell and the heat dissipation shell, cold air takes away heat back along multiunit communicating pipe and outlet duct discharge, play the radiating effect of cooling, every group all is the arc communicating pipe, and every group all is the level form near amortization shell center department communicating pipe, the cold air that enters into communicating pipe merges gradually with waste gas, can reduce the vibration, annular filter screen clears up annular filter screen is regularly torn down.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a block diagram of a heat sink housing and air inlet;

FIG. 4 is a right side view of the support ring and annular screen;

in the drawings, the reference numbers: 1. a sound deadening housing; 2. a heat dissipation housing; 3. an air inlet pipe; 4. an air outlet pipe; 5. a silencing sheet; 6. a communicating pipe; 7. an air inlet; 8. locking a ring; 9. an annular filter screen; 10. a screw; 11. a support ring; 12. a lock washer.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the dust-discharging ejecting silencer of the utility model comprises a silencing shell 1 and a radiating shell 2, the radiating shell 2 is made of stainless steel material to prevent the radiating shell 2 from rusting, the silencing shell 1 is hollow, the left side of the silencing shell 1 is communicated with an air inlet pipe 3, the right side of the silencing shell 1 is communicated with an air outlet pipe 4, a plurality of silencing sheets 5 are longitudinally arranged in the silencing shell 1, the right half area in the silencing shell 1 is communicated with a plurality of groups of mounting ports, each group of mounting ports is provided with communicating pipes 6, each group of communicating pipes 6 is arc-shaped, and each group of communicating pipes 6 is horizontal near the center of the silencing shell 1, cold air entering the communicating pipes 6 is gradually converged with waste gas to reduce vibration, the end face of the input end of each group of communicating pipes 6 is inclined to reduce the resistance of the cold air entering the communicating pipes 6, the radiating shell, the left side wall and the right side wall of the heat dissipation shell 2 are respectively provided with a left fixing port and a right fixing port in a communication mode, the inner side walls of the left fixing port and the right fixing port are respectively connected with a left half area and a right half area of the outer side wall of the sound attenuation shell 1, the left half area of the outer side wall of the heat dissipation shell 2 is provided with a plurality of groups of air inlets 7 in a communication mode, the silencer further comprises a locking ring 8, an annular filter screen 9 and four groups of screws 10, the left side of the outer side wall of the heat dissipation shell 2 is provided with a support ring 11, the right side wall of the support ring 11 is provided with a first annular groove, the left side wall of the locking ring 8 is provided with a second annular groove, the left end and the right end of the annular filter screen 9 are respectively inserted into the first annular groove and the second annular groove, the four groups of screws, Support ring 11 and locking ring 8 fix annular filter screen 9 in 7 departments of multiunit air inlet, during normal use, waste gas enters into 1 inside amortization shell along intake pipe 3, discharge along outlet duct 4 behind the 5 noise reduction of multiunit amortization piece, when waste gas flows to 6 output of multiunit communicating pipe, cause the pressure reduction of 6 output of multiunit communicating pipe, external cold air passes annular filter screen 9 and multiunit air inlet 7 and enters into between amortization shell 1 and the heat dissipation shell 2, the heat is taken away to the cold air and then is discharged along multiunit communicating pipe 6 and outlet duct 4, play the radiating effect of cooling, annular filter screen 9 is regularly torn down and is cleared up annular filter screen 9.

The utility model discloses a dust exhaust injection silencer, when it works, four groups of screws 10, four groups of anti-loosening gaskets 12, the support ring 11 and the locking ring 8 fix the annular filter screen 9 at the position of a plurality of groups of air inlets 7, when in normal use, waste gas enters into the interior of the noise reduction shell 1 along the air inlet pipe 3, is discharged along the air outlet pipe 4 after noise reduction through a plurality of groups of anti-loosening gaskets 5, when the waste gas flows to the output end of a plurality of groups of communicating pipes 6, the pressure at the output end of the plurality of groups of communicating pipes 6 is reduced, outside cold air passes through the annular filter screen 9 and the plurality of groups of air inlets 7 and enters between the noise reduction shell 1 and the heat dissipation shell 2, is discharged along a plurality of groups of communicating pipes 6 and the air outlet pipe 4 after heat is taken away by the cold air, the effect of cooling and heat dissipation is played, each group of communicating, the vibration can be reduced, and the annular filter screen 9 is periodically detached to clean the annular filter screen 9.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A dust-discharging ejection silencer is characterized by comprising a silencing shell (1) and a radiating shell (2), wherein the silencing shell (1) is hollow, an air inlet pipe (3) is communicated with the left side of the silencing shell (1), an air outlet pipe (4) is communicated with the right side of the silencing shell (1), a plurality of silencing sheets (5) are longitudinally arranged in the silencing shell (1), a plurality of groups of mounting ports are communicated with the right half area in the silencing shell (1), a communicating pipe (6) is arranged at the mounting port of each group, the radiating shell (2) is hollow, a left fixing port and a right fixing port are respectively communicated with the left side wall and the right side wall of the radiating shell (2), the inner side walls of the left fixing port and the right fixing port are respectively connected with the left half area and the right half area of the outer side wall of the silencing shell (1), a plurality of groups of air inlets (7) are communicated with the, the heat dissipation shell is characterized by further comprising a locking ring (8), an annular filter screen (9) and four groups of screws (10), wherein a support ring (11) is arranged on the left side of the outer side wall of the heat dissipation shell (2), a first annular groove is formed in the right side wall of the support ring (11), a second annular groove is formed in the left side wall of the locking ring (8), the left end and the right end of the annular filter screen (9) are respectively inserted into the first annular groove and the second annular groove, and the four groups of screws (10) penetrate through the locking ring (8) and then are screwed to the support.

2. A dust extraction ejector muffler according to claim 1, wherein a locking washer (12) is provided between each set of said screws (10) and the locking ring (8).

3. The dust exhaust ejector muffler according to claim 2, wherein each group of the communicating pipes (6) is arc-shaped, and each group of the communicating pipes (6) is horizontal near the center of the muffling case (1).

4. A dust exhaust ejector muffler according to claim 3, wherein the end face of the input end of each communicating pipe (6) is inclined.

5. A dust extraction ejector muffler according to claim 4, wherein the heat-radiating shell (2) is of stainless steel.

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