Fire retardant structure for silencer

Abstract

The utility model discloses a flame arresting structure for silencer, including silencer exhaust pipe, flame arresting box, flame arresting cover and flame arresting core, silencer exhaust pipe includes the first exhaust pipe and second exhaust pipe that are arranged separately, first exhaust pipe and second exhaust pipe are respectively inserted and communicated at the top and bottom of flame arresting box along the first direction, an opening is formed in the side portion of the fire-retardant box, the fire-retardant cover covers the opening in a sealing mode in the second direction, the first direction is perpendicular to the second direction, the fire-retardant core is fixed to the side, close to the fire-retardant box, of the fire-retardant cover, the fire-retardant core is inserted into the fire-retardant box in the second direction, and pipe openings of the first exhaust pipe and the second exhaust pipe are covered with the fire-retardant core in the first direction. And a ventilation space is reserved between the periphery of the fire-retardant core and the inner wall of the fire-retardant box. According to the fire retardant structure for the silencer, normal exhaust can be achieved, a fire core can be prevented from being exhausted, and safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-blocking of generator sets, in particular to a fire-blocking structure for a muffler. Background Art

[0002] Generator sets generally generate electricity by burning diesel. The exhaust gas from combustion will produce a lot of noise. For this reason, a muffler is usually installed directly at the exhaust of the generator to eliminate the noise.

[0003] However, the fire core is easily mixed in the exhaust pipe of the muffler at this time, which may cause safety hazards if it is directly discharged. Therefore, how to prevent the fire core from being discharged while ensuring the normal exhaust of the muffler becomes a problem that needs to be solved. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a fire-blocking structure for a muffler, which is used to solve the problem of how to prevent the fire core from being discharged while ensuring the normal exhaust of the muffler.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A fire-blocking structure for a silencer comprises a silencer exhaust pipe, a fire-blocking box, a fire-blocking cover and a fire-blocking core, wherein the silencer exhaust pipe comprises a first exhaust pipe and a second exhaust pipe which are separately arranged, the first exhaust pipe and the second exhaust pipe are respectively inserted and connected to the top and the bottom of the fire-blocking box along a first direction, an opening is provided on a side of the fire-blocking box, the fire-blocking cover is sealingly covered on the opening along a second direction, the first direction is perpendicular to the second direction, the fire-blocking core is fixed on a side of the fire-blocking cover close to the fire-blocking box, and the fire-blocking core is inserted in the fire-blocking box along the second direction, the fire-blocking core covers the pipe openings of the first exhaust pipe and the second exhaust pipe in the first direction, and a ventilation distance is left around the fire-blocking core and an inner wall of the fire-blocking box.

[0007] Optionally, a fixing seat is provided on a side of the fire-blocking cover close to the fire-blocking box, and the fire-blocking core is fixed on the fixing seat.

[0008] Preferably, the fire-blocking core is detachably fixed on the fixing seat.

[0009] Optionally, the fire-blocking cover is detachably mounted on the opening.

[0010] Optionally, the fire retardant core is a square fire retardant core, and the fire retardant box is a rectangular parallelepiped structure.

[0011] Optionally, the axes of the first exhaust pipe and the second exhaust pipe coincide with each other, and their inner diameters are the same.

[0012] Optionally, the first exhaust pipe and the second exhaust pipe are welded to the top and bottom of the fire-blocking box respectively.

[0013] Optionally, a length of the first exhaust pipe in the first direction is greater than a length of the second exhaust pipe in the first direction, and the first exhaust pipe is used as an air outlet of the fire arrester box.

[0014] Preferably, a connecting flange is provided on one end of the second exhaust pipe away from the fire arrester box.

[0015] Compared with the prior art, the fire-blocking structure for a silencer of the utility model can not only exhaust the gas normally but also prevent the fire core from being discharged, thereby greatly improving the safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a fire-blocking structure for a muffler in one direction according to one embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a fire-blocking structure for a muffler in another direction according to an embodiment of the utility model;

[0018] Figure 3 This is a structural schematic diagram of a fire-blocking structure for a silencer in another direction according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] See also Figure 1 , Figure 2 and Figure 3 A fire-blocking structure 100 for a muffler includes a muffler exhaust pipe 1, a fire-blocking box 2, a fire-blocking cover 3 and a fire-blocking core 4.

[0022] The muffler exhaust pipe 1 includes a first exhaust pipe 11 and a second exhaust pipe 12 which are separately arranged.

[0023] The first exhaust pipe 11 and the second exhaust pipe 12 are respectively inserted and connected to the top and bottom of the fire-blocking box 2 along the first direction X, and an opening 21 is provided on the side of the fire-blocking box 2 .

[0024] The fire-blocking cover 3 is sealed and arranged on the opening 21 along the second direction Y, and the first direction X is perpendicular to the second direction Y.

[0025] The fire-blocking core 4 is fixed on the side of the fire-blocking cover 3 close to the fire-blocking box 2, and the fire-blocking core 4 is inserted into the fire-blocking box 2 along the second direction Y. The fire-blocking core 4 covers the pipe openings of the first exhaust pipe 11 and the second exhaust pipe 12 in the first direction X, and a ventilation distance is left around the fire-blocking core 4 and the inner wall of the fire-blocking box 2.

[0026] Optionally, a fixing seat 31 is provided on one side of the fire-blocking cover 3 close to the fire-blocking box 2, and the fire-blocking core 4 is fixed on the fixing seat 31. This arrangement facilitates the fixing of the fire-blocking core.

[0027] Preferably, the fire-blocking core 4 is detachably fixed on the fixing seat 31. This arrangement facilitates the replacement of the fire-blocking core.

[0028] Optionally, the fire-blocking cover 3 is detachably covered on the opening 21. This arrangement facilitates the inspection and maintenance of the fire-blocking core.

[0029] Optionally, the fire-blocking core 4 is a square fire-blocking core, and the fire-blocking box 2 is a rectangular parallelepiped structure. This arrangement facilitates the connection of the fire-blocking box with the first exhaust pipe and the second exhaust pipe, and facilitates the gas flow between the fire-blocking core and the fire-blocking box.

[0030] Optionally, the axes of the first exhaust pipe 11 and the second exhaust pipe 12 coincide with each other, and the inner diameters are the same. This arrangement facilitates reducing the size of the fire-blocking core.

[0031] Optionally, the first exhaust pipe 11 and the second exhaust pipe 12 are respectively welded to the top and the bottom of the fire-blocking box 2. This arrangement facilitates the realization of a sealed connection and is not prone to air leakage.

[0032] Optionally, the length of the first exhaust pipe 11 in the first direction X is greater than the length of the second exhaust pipe 12 in the first direction X, and the first exhaust pipe 11 is used as an air outlet of the fire-blocking box 2. This arrangement facilitates better fire blocking.

[0033] Preferably, a connecting flange 121 is provided on one end of the second exhaust pipe 12 away from the fire-blocking box 2, so as to facilitate connection with the body of the muffler.

[0034] The fire-blocking structure for the silencer of the utility model can not only exhaust the gas normally but also prevent the fire core from being discharged, thus greatly improving the safety.

[0035] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A fire-blocking structure for a muffler, characterized in that: Includes a muffler exhaust pipe, a flame arrester box, a flame arrester cover and a flame arrester core; The muffler exhaust pipe comprises a first exhaust pipe and a second exhaust pipe which are separately arranged; The first exhaust pipe and the second exhaust pipe are respectively inserted and connected to the top and bottom of the fire-blocking box along a first direction, and an opening is provided on the side of the fire-blocking box; The fire-blocking cover is sealed and arranged on the opening along a second direction, and the first direction is perpendicular to the second direction; The fire-blocking core is fixed on the fire-blocking cover at one side close to the fire-blocking box, and the fire-blocking core is inserted into the fire-blocking box along the second direction. The fire-blocking core covers the pipe openings of the first exhaust pipe and the second exhaust pipe in the first direction, and a ventilation distance is left around the fire-blocking core and the inner wall of the fire-blocking box.

2. A fire-blocking structure for a muffler according to claim 1, characterized in that: A fixing seat is arranged on one side of the fire-blocking cover close to the fire-blocking box, and the fire-blocking core is fixed on the fixing seat.

3. A fire-blocking structure for a muffler as claimed in claim 2, characterized in that: The fire-blocking core is detachably fixed on the fixing seat.

4. A fire-blocking structure for a muffler according to claim 1, characterized in that: The fire-blocking cover is detachably arranged on the opening.

5. The fire-blocking structure for a muffler according to claim 1, characterized in that: The fire-blocking core is a square fire-blocking core, and the fire-blocking box is a rectangular parallelepiped structure.

6. A fire-blocking structure for a muffler according to claim 1, characterized in that: The axes of the first exhaust pipe and the second exhaust pipe coincide with each other, and their inner diameters are the same.

7. A fire-blocking structure for a muffler according to claim 1, characterized in that: The first exhaust pipe and the second exhaust pipe are welded to the top and bottom of the fire-blocking box respectively.

8. The fire-blocking structure for a muffler according to claim 1, characterized in that: The length of the first exhaust pipe in the first direction is greater than the length of the second exhaust pipe in the first direction, and the first exhaust pipe serves as an air outlet of the fire-blocking box.

9. A fire-blocking structure for a muffler as claimed in claim 8, characterized in that: A connecting flange is provided on one end of the second exhaust pipe away from the fire-blocking box.

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