Impact-resistant spark extinguishing silencer

Abstract

The utility model relates to the technical field of silencers, in particular to an anti-impact spark extinguishing silencer, which is characterized in that connecting pipes are respectively arranged on the front side and the rear side of a silencer body in a penetrating manner, and the connecting pipes are arranged on a ship through bolts; the counteracting pipe is in through connection with the connecting pipe on the front side, and a limiting ring is arranged on the inner wall of the counteracting pipe; the exhaust pipe is arranged on the ship through a bolt, the rear end of the exhaust pipe is movably inserted into the counteracting pipe, and the rear end of the exhaust pipe abuts against the limiting ring in a matched mode; the abutting ring is fixedly arranged on the exhaust pipe in a sleeving mode and movably inserted into the counteracting pipe, and a plurality of abutting grooves are formed in the ring wall of the abutting ring at equal angles. By means of the elastic action of the spring, the abutting rod can be conveniently inserted into the abutting groove, meanwhile, vibration force generated by the exhaust pipe is reduced, the impact force of gas entering the counteracting pipe is reduced by means of the large inner diameter of the counteracting pipe, and therefore the impact resistance of the silencer body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mufflers, in particular to an impact-resistant spark extinguishing muffler. Background Art

[0002] The exhaust noise of marine diesel engines is the main source of noise. Marine diesel engines have high output power efficiency, high exhaust temperature, large flow rate, and wide exhaust noise frequency range. For high-power marine diesel engines, in addition to having good broadband noise reduction performance, it is also necessary to ensure smooth exhaust and small pressure loss. At present, marine internal combustion engine exhaust mufflers are mainly expansion mufflers used to eliminate medium and low frequency noise. Due to the vibration generated by the exhaust pipe and the impact force of the exhaust gas from the exhaust pipe, the connection between the muffler and the exhaust pipe is easy to disconnect, affecting the use of the muffler. Therefore, there is an urgent need for an impact-resistant spark extinguishing muffler to solve the above problems. Utility Model Content

[0003] The purpose of the present invention is to provide a spark extinguishing muffler with a simple structure, reasonable design and convenient use to solve the defects and shortcomings of the existing technology, so as to solve the above problems.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] A muffler body, wherein connecting pipes are respectively provided on the front and rear sides of the muffler body, and the connecting pipes are installed on the ship by bolts;

[0006] A compensation tube, which is connected to the connecting tube on the front side and has a limiting ring on the inner wall of the compensation tube;

[0007] An exhaust pipe is installed on the ship by means of bolts, and the rear end of the exhaust pipe is movably inserted into the offset pipe, and the rear end of the exhaust pipe is arranged in a cooperative and abutting manner with a limiting ring;

[0008] The interference ring is fixedly mounted on the exhaust pipe and movably inserted into the offset pipe, and a plurality of interference grooves are opened on the ring wall of the interference ring at equal angles;

[0009] The plurality of interference rods are movably inserted into the wall of the offset tube, and one end of the interference rod is movably inserted into the interference groove. The plurality of clamping rings are fixedly arranged on the interference rods, and the clamping rings are arranged to cooperate with the inner wall of the offset tube to interfere with each other;

[0010] The springs are multiple and are movably sleeved on the outer ends of the resistance rods, and the two ends of the springs are respectively connected to the outer wall of the offset tube and the resistance rod.

[0011] Further, the front side wall of the limiting ring is provided with an air bag pad, the air bag ring is fixedly sleeved on the exhaust pipe, and the air bag ring is located at the rear side of the abutting ring, the air bag pad is arranged in abutment with the air bag ring, and the inflating pipe is penetratingly arranged on the side wall of the abating pipe and is penetratingly connected with the air bag pad.

[0012] Further, the inner wall of the abating pipe is provided with a filter screen, the filter screen is located at the rear side of the limiting ring, the bottom surface of the abating pipe is penetratingly provided with a sediment tank, and the sediment tank is located between the limiting ring and the filter screen, the bottom end of the sediment tank is penetratingly provided with a collecting pipe, and the blocking cover is screw-connected at the bottom end of the collecting pipe.

[0013] Further, the outer wall of the abating pipe is provided with a cooling pipe, and the end of the cooling pipe is connected with an external water pump.

[0014] Further, the outer wall of the abating pipe is provided with a support block at an equal angle, and the support block is located at the front side of the abutting rod, a plurality of support rods are screw-connected to the top end of the abutting rod by the hinged seat, and the support rods abut with the support block.

[0015] Further, the exhaust pipe is fixedly provided with a blocking ring, the side wall of the blocking ring is provided with a groove, and the front end of the abating pipe is movably inserted into the groove.

[0016] Compared with the prior art, the anti-impact spark extinguishing muffler has the advantages that: the spring elastic force is used to insert the abutting rod into the abutting groove, so as to connect the exhaust pipe and the abating pipe, the inner diameter of the abating pipe is larger than that of the exhaust pipe, so that the impact force of the gas is reduced when the gas enters the abating pipe, and the service life of the muffler body is prolonged, and the air bag pad and the abutting ring are arranged in abutment with each other, so as to improve the sealing performance between the exhaust pipe and the abating pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model.

[0018] Figure 2 is a structural schematic view of the abating pipe and the exhaust pipe in the utility model.

[0019] Figure 3 is Figure 2 is an enlarged view of A part in the utility model.

[0020] Figure 4 is a structural schematic view of the abating pipe in the utility model.

[0021] Figure 5 is a structural schematic view of the limiting ring and the exhaust pipe in the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS:

[0023] The muffler body 1, the connecting pipe 2, the offset pipe 3, the limiting ring 4, the exhaust pipe 5, the abutting ring 6, the abutting groove 7, the abutting rod 8, the clamping ring 9, the spring 10, the air bag pad 11, the air bag ring 12, the inflation pipe 13, the filter screen 14, the sediment tank 15, the collecting pipe 16, the blocking cover 17, the cooling pipe 18, the supporting block 19, the supporting rod 20, the blocking ring 21, the groove 22. DETAILED DESCRIPTION

[0024] The technical solutions in the utility model will be described clearly and completely in combination with the drawings. The preferred embodiments in the description are only taken as examples, and all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As shown in the specific embodiment, the technical scheme is as follows: it comprises: Figures 1-5

[0026] The muffler body 1, the connecting pipe 2, the offset pipe 3, the limiting ring 4, the exhaust pipe 5, the abutting ring 6, the abutting groove 7, the abutting rod 8, the clamping ring 9, the spring 10, the air bag pad 11, the air bag ring 12, the inflation pipe 13, the filter screen 14, the sediment tank 15, the collecting pipe 16, the blocking cover 17, the cooling pipe 18, the supporting block 19, the supporting rod 20, the blocking ring 21, the groove 22.

[0027] ​The counteracting pipe 3 is connected with the front connecting pipe 2, and the inner wall of the counteracting pipe 3 is provided with a limiting ring 4. The large inner diameter of the counteracting pipe 3 reduces the impact force of the gas during exhaust. The front ring wall of the limiting ring 4 is provided with an air bag pad 11. An air bag ring 12 is fixedly sleeved on the exhaust pipe 5 and located at the rear side of the counteracting ring 6. The air bag pad 11 is arranged in cooperation with the air bag ring 12. An inflation pipe 13 is penetratingly arranged on the side wall of the counteracting pipe 3 and connected with the air bag pad 11. The mutual counteraction of the air bag pad 11 and the air bag ring 12 improves the sealing between the exhaust pipe 5 and the counteracting pipe 3, thereby reducing the vibration force of the end of the exhaust pipe 5 by the air bag pad 11. The inner wall of the counteracting pipe 3 is provided with a filter screen 14 located at the rear side of the limiting ring 4. The bottom surface of the counteracting pipe 3 is penetratingly provided with a sediment tank 15 located between the limiting ring 4 and the filter screen 14. The bottom end of the sediment tank 15 is penetratingly provided with a collecting pipe 16. A blocking cover 17 is threadedly screwed on the bottom end of the collecting pipe 16. The filter screen 14 filters the carbon ash in the gas, so that the carbon ash is deposited in the sediment tank 15. The carbon ash is cleaned by opening the blocking cover 17. The outer wall of the counteracting pipe 3 is provided with a cooling pipe 18 connected with an external water pump at the end. The circulating flow of the cooling water in the cooling pipe 18 reduces the temperature of the counteracting pipe 3. The outer wall of the counteracting pipe 3 is provided with support blocks 19 fixedly arranged at equal angles and located at the front side of the counteracting rod 8. A plurality of support rods 20 are rotatably connected with the top end of the counteracting rod 8 by a hinged seat and connected with the support blocks 19 by bolts. The support rods 20 limit the counteracting rod 8, so that the inner end of the counteracting rod 8 is located in the side wall of the counteracting pipe 3, and the exhaust pipe 5 is inserted into the counteracting pipe 3.

[0028] The exhaust pipe 5 is arranged on the ship by bolts, and the rear end of the exhaust pipe 5 is movably inserted into the counteracting pipe 3 and arranged in cooperation with the limiting ring 4. The limiting ring 4 limits the position of the exhaust pipe 5 in the counteracting pipe 3. The exhaust pipe 5 is fixedly provided with a blocking ring 21. The side wall of the blocking ring 21 is provided with a groove 22. The front end of the counteracting pipe 3 is movably inserted into the groove 22, thereby improving the sealing between the counteracting pipe 3 and the exhaust pipe 5.

[0029] The counteracting ring 6 is fixedly sleeved on the exhaust pipe 5 and movably inserted into the counteracting pipe 3. A plurality of counteracting grooves 7 are arranged at equal angles on the ring wall of the counteracting ring 6. The counteracting ring 6 plays a role of positioning.

[0030] The number of the resisting rods 8 are movably inserted into the wall of the counteracting pipe 3, and one end of the resisting rod 8 is movably inserted into the resisting groove 7, and the number of the clamping rings 9 are fixedly arranged on the resisting rod 8, and the clamping ring 9 is matched with the inner wall of the counteracting pipe 3, and the resisting rod 8 is movably inserted into the resisting groove 7, so that the resisting ring 6 is limited in the counteracting pipe 3, and the counteracting pipe 3 is connected with the exhaust pipe 5;

[0031] The number of the springs 10 are movably sleeved on the outer end of the resisting rod 8, and the two ends of the spring 10 are connected with the outer wall of the counteracting pipe 3 and the resisting rod 8, and the elastic force of the spring 10 is utilized, so that the resisting rod 8 is movably inserted into the resisting groove 7, and the vibration force generated by the exhaust pipe 5 is reduced.

[0032] In use, the connecting pipe 2 is installed on the ship by the bolt, the supporting rod 20 is connected with the supporting block 19 by the bolt, the resisting rod 8 is limited, the inner end of the resisting rod 8 is located in the side wall of the counteracting pipe 3, the exhaust pipe 5 is movably inserted into the counteracting pipe 3, the end of the exhaust pipe 5 is abutted on the limiting ring 4, the front end of the counteracting pipe 3 is movably inserted into the groove 22, the resisting rod 8 is movably inserted into the resisting groove 7 by the elastic force of the spring 10, so that the counteracting pipe 3 is connected with the exhaust pipe 5, then the air is filled into the air bag pad 11 by the inflating pipe 13, the air bag pad 11 is filled between the limiting ring 4 and the air bag ring 12, so that the sealing property between the counteracting pipe 3 and the exhaust pipe 5 is improved;

[0033] When the vibration is generated by the exhaust pipe 5, the elastic force of the spring 10 and the elasticity of the air bag pad 11 are utilized to counteract the vibration force on the exhaust pipe 5, the impact force of the gas into the counteracting pipe 3 is reduced by the large inner diameter of the counteracting pipe 3, so that the anti-impact performance of the muffler body 1 is improved, and the carbon ash in the gas is filtered by the filtering effect of the filter screen 14, so that the carbon ash is deposited in the deposition box 15 and then in the collecting pipe 16, and the carbon ash in the collecting pipe 16 is removed by the operator by opening the blocking cover 17 regularly.

[0034] Compared with the prior art, the utility model has the advantages of:

[0035] The elastic force of the spring 10 is utilized to movably insert the resisting rod 8 into the resisting groove 7, and the vibration force generated by the exhaust pipe 5 is reduced, the large inner diameter of the counteracting pipe 3 is utilized to reduce the impact force of the gas into the counteracting pipe 3, so that the anti-impact performance of the muffler body 1 is improved;

[0036] The air is filled into the air bag pad 11 by the inflating pipe 13, so that the air bag pad 11 is filled between the limiting ring 4 and the air bag ring 12, the sealing property between the counteracting pipe 3 and the exhaust pipe 5 is improved, and the elasticity of the air bag pad 11 is utilized to improve the vibration force generated by the exhaust pipe 5.

[0037] The filter screen 14 is arranged to filter the carbon ash in the gas, so that the carbon ash is deposited in the deposition box 15 and is convenient for collecting the carbon ash.

[0038] The cooling water is circulated on the outer wall of the counteracting pipe 3 through the cooling pipe 18, so as to reduce the temperature of the counteracting pipe 3 and prolong the service life of the counteracting pipe 3.

[0039] For those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An impact-resistant, flame-arrest muffler characterized by, It contains: The muffler body (1), the front and rear sides of the muffler body (1) are provided with a connecting pipe (2) through, and the connecting pipe (2) is provided on the ship by bolts; The offset pipe (3) is connected with the front connecting pipe (2), and the inner wall of the offset pipe (3) is provided with a limiting ring (4); The exhaust pipe (5) is provided on the ship by bolts, and the rear end of the exhaust pipe (5) is movably inserted into the offset pipe (3), and the rear end of the exhaust pipe (5) is movably inserted into the offset pipe (3). The rear end of the exhaust pipe (5) is in abutting contact with the limiting ring (4); The abutting ring (6) is fixedly sleeved on the exhaust pipe (5), and the abutting ring (6) is movably inserted into the offset pipe (3), and the abutting ring (6) is movably inserted into the offset pipe (3). A plurality of abutting grooves (7) are formed at equal angles on the wall of the abutting ring (6); The abutting rod (8) is movably inserted into the abutting groove (7), and the abutting rod (8) is movably inserted into the abutting groove (7). A plurality of clamping rings (9) are fixedly arranged on the abutting rod (8), and the clamping ring (9) is in abutting contact with the inner wall of the offset pipe (3); The spring (10) is movably sleeved on the outer end of the abutting rod (8), and the spring (10) is movably sleeved on the outer end of the abutting rod (8). The two ends of the spring (10) are connected to the outer wall of the offset pipe (3) and the abutting rod (8).

2. A blast mitigating muffler according to claim 1, wherein: The front side wall of the limiting ring (4) is provided with an air bag pad (11), the air bag ring (12) is fixedly sleeved on the exhaust pipe (5), and the air bag ring (12) is located at the rear side of the abutting ring (6). The air bag pad (11) is in abutting contact with the air bag ring (12), and the inflation pipe (13) is provided through the side wall of the offset pipe (3), and the inflation pipe (13) is in through connection with the air bag pad (11).

3. A blast mitigating muffler according to claim 1, wherein: The inner wall of the offset pipe (3) is provided with a filter screen (14), and the filter screen (14) is located at the rear side of the limiting ring (4). The bottom surface of the offset pipe (3) is provided with a sediment tank (15), and the sediment tank (15) is located between the limiting ring (4) and the filter screen (14). The bottom end of the sediment tank (15) is provided with a collecting pipe (16), and the sealing cover (17) is threadedly connected to the bottom end of the collecting pipe (16).

4. A blast mitigating muffler according to claim 1, wherein: The outer wall of the offset pipe (3) is provided with a cooling pipe (18), and the end of the cooling pipe (18) is connected with an external water pump.

5. A blast mitigating muffler according to claim 1, wherein: The outer wall of the offset pipe (3) is provided with a support block (19) at equal angles, and the support block (19) is located at the front side of the abutting rod (8). A plurality of support rods (20) are rotatably connected to the top end of the abutting rod (8) by a hinge seat, and the support rod (20) is in abutting contact with the support block (19).

6. A blast mitigating muffler according to claim 1, wherein: The exhaust pipe (5) is provided with a sealing ring (21), and the side wall of the sealing ring (21) is provided with a groove (22). The front end of the offset pipe (3) is movably inserted into the groove (22).

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