CN214581164U - Smoke exhaust pipe device - Google Patents

Abstract

The utility model discloses a smoke exhaust pipe device, which comprises an air inlet pipe and a smoke exhaust pipe; the air inlet pipe comprises a main pipe body and a connecting neck which is connected to the upper end of the main pipe body and has a caliber smaller than that of the main pipe body, and an air inlet is formed in the main pipe body; the smoke exhaust pipe comprises a first pipe body, a second pipe body and a third pipe body which are sequentially connected from bottom to top, wherein the first pipe body is located in a main pipe body of the air inlet pipe, the second pipe body is fixedly connected in the connecting neck, the caliber of the second pipe body is larger than that of the first pipe body, and the third pipe body is located above the connecting neck and the caliber of the third pipe body is larger than that of the second pipe body. The utility model discloses a last port of intake pipe and the sealed cooperation of pipe wall of the pipe of discharging fume, the extension pipe that third body or link to each other with the third body through the pipe of discharging fume extends to outdoor and discharges fume, so can the length of effectual reduction intake pipe to effectively reduce manufacturing cost, improved economic benefits.

Description

Smoke exhaust pipe device

Technical Field

The utility model relates to an air inlet and smoke exhaust device of a boiler, in particular to a smoke exhaust pipe device.

Background

The smoke exhaust pipe device is generally used for being connected with a boiler such as a wall-mounted boiler and the like so as to exhaust smoke and intake air for boiler equipment; the pipe device of discharging fume that has now generally includes the intake pipe, is located the pipe of discharging fume of intake pipe, and cup joints the upper end of intake pipe and the pipe of discharging fume in order to admit air the route with the divided cigarette cap in route of discharging fume, and current intake pipe and the pipe of discharging fume are mostly parallel arrangement and both all extend to and admit air and discharge fume outdoors, so make the intake pipe and the length of discharging fume the pipe the same basically, thereby lead to discharging fume the whole cost of pipe device higher, have the space of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome defect among the above-mentioned prior art, provide a tub device of discharging fume, it adopts indoor admitting air, and outdoor discharging fume has so effectively shortened the length of intake pipe to reduce manufacturing cost, improved production efficiency.

In order to achieve the purpose, the utility model provides a smoke exhaust pipe device, which comprises an air inlet pipe and a smoke exhaust pipe;

the air inlet pipe comprises a main pipe body and a connecting neck which is connected to the upper end of the main pipe body and has a caliber smaller than that of the main pipe body, and an air inlet is formed in the main pipe body;

the pipe of discharging fume includes from down up consecutive first body, second body and third body down, wherein, first body is located the person in charge of intake pipe internally, second body fixed connection is in the connecting neck, the bore of second body is greater than the bore of first body, the third body is located the top of connecting neck just the bore of third body is greater than the bore of second body.

Further setting the following steps: the air inlet on the main pipe body is of a shutter structure.

Compared with the prior art, the utility model has simple and reasonable structure, the upper port of the air inlet pipe is tightly attached to the outer wall of the smoke exhaust pipe, the air is admitted indoors or outdoors through the air inlet pipe, and the third pipe body of the smoke exhaust pipe or the extension pipe connected with the third pipe body extends outdoors to discharge smoke, thus ensuring normal air admission and smoke exhaust, effectively shortening the length of the air inlet pipe, simplifying the structure of the whole device, reducing the manufacturing cost and improving the economic efficiency; meanwhile, due to the matching structure of the air inlet pipe and the smoke exhaust pipe, when the elbow connected with the exhaust pipe device is disassembled, the smoke exhaust pipe cannot be pulled out downwards, and the disassembly and the assembly of the whole device are simplified.

Drawings

FIG. 1 is a schematic perspective view of a smoke exhaust pipe device according to the present invention;

fig. 2 is a schematic axial sectional structure of fig. 1.

The following reference numerals are marked thereon in conjunction with the accompanying drawings:

1. an air inlet pipe; 11. a primary tube; 111. an air inlet; 12. a connecting neck; 2. a smoke exhaust pipe; 21. a first pipe body; 22. a second tube body; 23. a third tube.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

The utility model relates to a smoke exhaust pipe 2 device is shown in figure 1 and figure 2, comprising an air inlet pipe 1 and a smoke exhaust pipe 2 positioned in the air inlet pipe 1, wherein the air inlet pipe 1 comprises a main pipe body 11 and a connecting neck 12 which is connected with the upper end of the main pipe body 11 and has a caliber smaller than that of the main pipe body 11, the main pipe body 11 is connected with the connecting neck 12 in a smooth transition way, the main pipe body 11 is provided with a plurality of air inlets 111 with a shutter structure, and the air inlets 111 are arranged in the shutter structure and can effectively reduce dust entering a boiler through the air inlet pipe 1; the smoke exhaust pipe 2 comprises a first pipe body 21, a second pipe body 22 and a third pipe body 23 which are sequentially connected from bottom to top, wherein the first pipe body 21, the second pipe body 22 and the third pipe body 23 are connected in a smooth transition mode, the first pipe body 21 is positioned in the middle of the main pipe body 11, the second pipe body 22 is positioned in the connecting neck 12 and is connected with the connecting neck 12 in a sealing fit mode, the pipe diameter of the second pipe body 22 is larger than that of the first pipe body 21, the third pipe body 23 is positioned above the connecting neck 12, and the pipe diameter of the third pipe body 23 is larger than that of the second pipe body 22; so discharge fume pipe 2 can be inserted by intake pipe 1's last port, the second body 22 cartridge of discharging fume pipe 2 is in intake pipe 1's connecting neck 12, it links to each other or links to each other through the interference fit fastening through welding an organic whole between this second body 22 of discharging fume pipe 2 and intake pipe 1's connecting neck 12, this third body 23 of discharging fume pipe 2 directly extends to outdoor or external extension pipe extends to outdoor and discharges fume, realize breathing in through indoor, outdoor discharging fume, intake pipe 1's length has effectively been shortened, the material is saved, the cost is reduced.

Compared with the prior art, the utility model has simple and reasonable structure, the upper port of the air inlet pipe is tightly attached to the outer wall of the smoke exhaust pipe, the air is admitted indoors or outdoors through the air inlet pipe, and the third pipe body of the smoke exhaust pipe or the extension pipe connected with the third pipe body extends outdoors to discharge smoke, thus ensuring normal air admission and smoke exhaust, effectively shortening the length of the air inlet pipe, simplifying the structure of the whole device, reducing the manufacturing cost and improving the economic efficiency; meanwhile, due to the matching structure of the air inlet pipe and the smoke exhaust pipe, when the elbow connected with the exhaust pipe device is disassembled, the smoke exhaust pipe cannot be pulled out downwards, and the disassembly and the assembly of the whole device are simplified.

The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.

Claims (2)

1. A smoke exhaust pipe device is characterized by comprising an air inlet pipe and a smoke exhaust pipe;

the air inlet pipe comprises a main pipe body and a connecting neck which is connected to the upper end of the main pipe body and has a caliber smaller than that of the main pipe body, and an air inlet is formed in the main pipe body;

the pipe of discharging fume includes from down up consecutive first body, second body and third body down, wherein, first body is located the person in charge of intake pipe internally, second body fixed connection is in the connecting neck, the bore of second body is greater than the bore of first body, the third body is located the top of connecting neck just the bore of third body is greater than the bore of second body.

2. The smoke exhaust pipe device according to claim 1, wherein the air inlet of the main pipe body is of a louver structure.

Images