Smoke exhaust air pipe with good smoke exhaust effect

Abstract

The utility model relates to the technical field of smoke exhaust air pipes with better smoke exhaust effect, and discloses a smoke exhaust air pipe with better smoke exhaust effect, which comprises a main body mechanism and a fixing mechanism, the fixing mechanism is fixedly arranged in the main body mechanism, the main body mechanism comprises a smoke exhaust air pipe body, a frame and a shell, a frame is fixedly installed on the smoke exhaust air pipe body, and a shell is fixedly installed on the outer surface of the smoke exhaust air pipe body. The structural strength is enhanced, the smoke exhaust stability is guaranteed, and the strength of the air pipe connecting position is improved through cooperation of the rectangular sleeve on the inner wall of the smoke exhaust air pipe body and the reinforcing rod. After the reinforcing rod of the top air pipe is inserted into the rectangular sleeve of the bottom air pipe, the smoke exhaust air pipe can be effectively prevented from being blown off under severe conditions such as strong wind, the integrity and stability of a smoke exhaust channel are ensured, smoke can be smoothly exhausted, meanwhile, the service life of the air pipe is prolonged, and the maintenance or replacement cost caused by structural damage is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of smoke exhaust ducts with good smoke extraction effect, specifically a smoke exhaust duct with good smoke extraction effect. Background Technology

[0002] Smoke exhaust ducts are an important component of smoke exhaust systems; currently, the main smoke exhaust ducts on the market include traditional galvanized iron sheet ducts and inorganic fiberglass ducts and their modified products.

[0003] The existing patent document CN 216618903 U provides a smoke exhaust duct with good smoke extraction effect. The reinforcing rod is inserted into the rectangular sleeve inside the bottom smoke exhaust duct body, thereby increasing the strength of the connection of the smoke exhaust duct body and thus preventing the smoke exhaust duct from being blown off by strong winds.

[0004] However, the existing reinforcing rods are not strong enough, and the increased internal friction after prolonged use affects the service life of the duct. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this utility model is to provide a smoke exhaust duct with better smoke extraction effect, so as to solve the problem mentioned in the background art that the existing reinforcing rod is not strong enough and the internal friction increases after long-term use, which affects the service life of the duct.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a smoke exhaust duct with good smoke exhaust effect, comprising a main body and a fixing mechanism, wherein the fixing mechanism is fixedly installed inside the main body, and the main body includes a smoke exhaust duct body, a frame, and a shell, wherein the frame is fixedly installed on the smoke exhaust duct body, and the shell is fixedly installed on the outer surface of the smoke exhaust duct body;

[0009] The fixing mechanism includes an annular sleeve, a reinforcing rod, and a reinforcing strip. The sleeve is fixedly installed on the inner wall of the exhaust duct body, the reinforcing rod is fixedly installed inside the sleeve, and the reinforcing strip is fixedly installed on the outer surface of the reinforcing rod.

[0010] Furthermore, the main body also includes an upper annular connecting plate and a lower annular connecting plate. The upper annular connecting plate is fixedly installed at the top of the smoke exhaust duct body, and the lower annular connecting plate is fixedly installed at the bottom of the smoke exhaust duct body.

[0011] Furthermore, the main body also includes an annular connecting groove and an annular connecting head, with the annular connecting groove fixedly installed on the upper annular connecting plate and the annular connecting head fixedly installed on the lower annular connecting plate.

[0012] Furthermore, the fixing mechanism also includes fixing bolts and a sliding groove. Several fixing bolts are fixedly installed on the surface of the lower annular connecting plate, and a sliding groove is fixedly installed inside the sleeve.

[0013] Furthermore, the fixing mechanism also includes a ball groove and balls, the reinforcing bar is fixedly installed with the ball groove, and a plurality of balls are fixedly installed at the temporal part of the ball groove.

[0014] Furthermore, the fixing mechanism also includes positioning bolts and sealing gaskets. Positioning bolts are fixedly installed on the side of the exhaust duct body, and sealing gaskets are fixedly installed on the surfaces of the upper annular connecting plate and the lower annular connecting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. Enhanced structural strength and ensured smoke exhaust stability: The rectangular sleeve on the inner wall of the smoke exhaust duct body, in conjunction with the reinforcing rod, increases the strength of the duct connection. When the reinforcing rod of the top duct is inserted into the rectangular sleeve of the bottom duct, it effectively prevents the smoke exhaust duct from being blown off under harsh conditions such as strong winds, ensuring the integrity and stability of the smoke exhaust channel, facilitating the smooth discharge of smoke, extending the service life of the duct, and reducing maintenance or replacement costs due to structural damage. 2. Improved sealing performance and prevented smoke leakage: The combined effect of annular sealing gaskets, annular sealing strips, annular protrusions, and annular grooves significantly improves the sealing performance at the connection between the two sections of the smoke exhaust duct body. For example, the trapezoidal sealing strip fits tightly with the sealing groove, and the arc-shaped protrusions and grooves enhance the stability of the sealing gasket and the connector. This multi-layered sealing structure effectively prevents smoke leakage from the connection, concentrating the smoke within the duct for transmission, improving smoke exhaust efficiency, and avoiding harm to the environment or personnel.

[0017] 2. Easy to install and maintain, saving resources: The assembly method, which uses fixing bolts to secure multiple sections of the smoke exhaust duct together, is simple and convenient to operate, allowing for rapid construction of the smoke exhaust system and improving installation efficiency. Simultaneously, the segmented design means that when a section of the duct is damaged, only the damaged part needs to be replaced, eliminating the need to discard the entire duct, avoiding resource waste, reducing operating costs, and facilitating later maintenance and repair. Adaptable to various scenarios and highly practical: Through structural optimization, this smoke exhaust duct can stably exhaust smoke in ordinary environments and withstand certain levels of external wind force or internal smoke pressure. It is suitable for various scenarios such as industrial smoke exhaust and building fire smoke exhaust, meeting the diverse needs of users for smoke exhaust effect and stability, and possessing broad applicability. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2This is a schematic diagram of the structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of this utility model.

[0022] In the diagram: 1. Main structure; 101. Exhaust duct body; 102. Frame; 103. Outer shell; 104. Upper annular connecting plate; 105. Lower annular connecting plate; 106. Annular connecting groove; 107. Annular connector; 2. Fixing mechanism; 201. Annular sleeve; 202. Reinforcing rod; 203. Reinforcing bar; 204. Fixing bolt; 205. Slide groove; 206. Ball groove; 207. Ball; 208. Positioning bolt; 209. Sealing gasket. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a smoke exhaust duct with good smoke exhaust effect, including a main body 1 and a fixing mechanism 2. The fixing mechanism 2 is fixedly installed inside the main body 1. The main body 1 includes a smoke exhaust duct body 101, a frame 102, and a shell 103. The frame 102 is fixedly installed on the smoke exhaust duct body 101, and the shell 103 is fixedly installed on the outer surface of the smoke exhaust duct body 101.

[0025] The fixing mechanism 2 includes an annular sleeve 201, a reinforcing rod 202, and a reinforcing bar 203. The sleeve is fixedly installed on the inner wall of the exhaust duct body 101, the reinforcing rod 202 is fixedly installed inside the sleeve, and the reinforcing bar 203 is fixedly installed on the outer surface of the reinforcing rod 202.

[0026] Furthermore, the main body 1 also includes an upper annular connecting plate 104 and a lower annular connecting plate 105. The upper annular connecting plate 104 is fixedly installed at the top of the smoke exhaust duct body 101, and the lower annular connecting plate 105 is fixedly installed at the bottom of the smoke exhaust duct body 101.

[0027] Furthermore, the main body mechanism 1 also includes an annular connecting groove 106 and an annular connector 107. The upper annular connecting plate 104 is fixedly installed with the annular connecting groove 106, and the lower annular connecting plate 105 is fixedly installed with the annular connector 107.

[0028] Furthermore, the fixing mechanism 2 also includes fixing bolts 204 and sliding grooves 205. Several fixing bolts 204 are fixedly installed on the surface of the lower annular connecting plate 105, and sliding grooves 205 are fixedly installed inside the sleeve.

[0029] Furthermore, the fixing mechanism 2 also includes a ball groove 206 and balls 207. The reinforcing bar 203 is fixedly installed with the ball groove 206, and a plurality of balls 207 are fixedly installed in the ball groove 206.

[0030] Furthermore, the fixing mechanism 2 also includes a positioning bolt 208 and a sealing gasket 209. The positioning bolt 208 is fixedly installed on the side of the exhaust duct body 101, and the sealing gasket 209 is fixedly installed on the surface of the upper annular connecting plate 104 and the lower annular connecting plate 105.

[0031] Working principle: The exhaust duct body 101, as the basic structure of the duct, is the channel for the transmission of flue gas. It is made of metal or composite materials and has a certain strength and corrosion resistance to ensure long-term stable use.

[0032] The annular connection structure consists of an upper annular connecting plate 104 and a lower annular connecting plate 105, which are respectively located at the top and bottom of the smoke exhaust duct body 101. The upper annular connecting plate 104 has an annular connecting groove 106 on its top surface, and the lower annular connecting plate 105 has an annular connector 107 on its bottom surface. The two work together to achieve rapid positioning and initial fixation of the two duct sections.

[0033] Multiple fixing bolts 204 are evenly distributed in a ring on the top surface of the lower annular connecting plate 105. They can penetrate to the bottom and cooperate with the bolt holes on the top of the upper annular connecting plate 104 to firmly fix multiple sections of air duct together. This facilitates assembly and avoids partial damage that could lead to the overall scrapping, thus saving resources.

[0034] Rectangular sleeves and reinforcing rods 202 are symmetrically arranged on the inner wall of the smoke exhaust duct body 101, with reinforcing rods 202 slidingly installed inside. The reinforcing rods 202 of the top duct can be inserted into the rectangular sleeves of the bottom duct to increase the strength of the connection, prevent the duct from breaking under strong winds, ensure smooth smoke exhaust, and extend service life.

[0035] The reinforcing bar 203 and the sliding groove 205 are provided on the outer wall of the reinforcing bar 202. The sliding groove 205 is opened on the inner wall of the rectangular sleeve to cooperate with it, thereby enhancing the strength of the reinforcing bar 202 and further improving the stability of the connection.

[0036] The ball bearing 207 has a ball groove 206 on the outer side of the reinforcing bar 203, and the ball bearing 207 is placed inside and contacts the inner wall of the groove 205 to reduce sliding friction and make the reinforcing bar 202 slide more smoothly.

[0037] Positioning bolt 208 is set on the outer wall of the middle part of the exhaust duct body 101. The inner end can penetrate to the rectangular sleeve and cooperate with the threaded hole on the side of the reinforcing rod 202 to fix the position of the reinforcing rod 202 and ensure the stability of the reinforced structure.

[0038] An annular sealing gasket 209 is located on the bottom outer wall of the annular connector 107. It has a U-shaped cross-section and multiple annular sealing strips evenly distributed on its bottom surface. Its function is to improve the sealing performance of the connection between the two duct sections and prevent flue gas leakage.

[0039] The upper annular connecting plate 104 at the top of the smoke exhaust duct body 101 and the lower annular connecting plate 105 at the bottom cooperate with each other to achieve the initial positioning of the two duct sections.

[0040] Using the fixing bolts 204 on the top surface of the lower annular connecting plate 105, which extend to the bottom and are tightened with the bolt holes on the top of the upper annular connecting plate 104, the multi-section smoke exhaust duct body 101 is firmly fixed together, completing the duct assembly. This method is simple to operate, facilitates the rapid construction of smoke exhaust channels, and avoids the overall scrapping due to partial damage, thus saving resources.

[0041] The rectangular sleeves and reinforcing rods 202 symmetrically arranged on the inner wall of the smoke exhaust duct body 101 form a reinforced structure. During installation, the reinforcing rods 202 in the top duct are inserted into the rectangular sleeves in the bottom duct, and the position of the reinforcing rods 202 is fixed by the positioning bolts 208 on the outer wall of the middle part of the smoke exhaust duct body 101.

[0042] The reinforcing bar 203 on the outer wall of the reinforcing rod 202 engages with the sliding groove 205 on the inner wall of the rectangular sleeve to further increase strength. The balls 207 in the ball groove 206 on the outer side of the reinforcing bar 203 contact the inner wall of the sliding groove 205, reducing sliding friction and allowing the reinforcing rod 202 to be inserted into the sleeve more smoothly. This improves the wind resistance of the duct connection, prevents duct breakage under strong winds, ensures stable and unobstructed smoke exhaust channels, and extends the service life of the duct.

[0043] The annular sealing gasket 209 on the bottom outer wall of the annular connector 107 works together to interlock with each other when the duct is connected, increasing the contact area and forming multiple seals. For example, the trapezoidal sealing strip fits tightly with the sealing groove, and the arc-shaped protrusions and grooves enhance the stability of the sealing gasket 209 and the connector, effectively preventing flue gas from leaking from the connection point, ensuring that the flue gas is concentrated in the duct during the smoke exhaust process, and improving the smoke exhaust efficiency and effect.

[0044] During smoke exhaust, the smoke enters from one end of the duct and flows along the duct body 101 under the action of a fan or other power device. Because the duct is securely connected, strengthened, and well-sealed through the aforementioned structure, the smoke can be efficiently transported to the designated discharge location within a stable, leak-free channel. Even under conditions of strong external winds or high internal smoke pressure, the reinforced structure ensures the duct does not deform or break, and the sealing structure prevents smoke leakage, thus achieving efficient and stable smoke exhaust functionality to meet the needs of fire protection or industrial smoke exhaust scenarios.

[0045] Finally, it should be noted that the above content is only used to illustrate the technical solution of this utility model, and is not intended to limit the scope of protection of this utility model. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model do not depart from the essence and scope of the technical solution of this utility model.

Claims

1. A smoke exhaust duct with good smoke extraction effect, comprising a main body (1) and a fixing mechanism (2), wherein the fixing mechanism (2) is fixedly installed inside the main body (1), characterized in that: The main structure (1) includes a smoke exhaust duct body (101), a frame (102), and a shell (103). The smoke exhaust duct body (101) is fixedly mounted with the frame (102), and the outer shell (103) is fixedly mounted on the outer surface of the smoke exhaust duct body (101). The fixing mechanism (2) includes an annular sleeve (201), a reinforcing rod (202), and a reinforcing bar (203). The sleeve is fixedly installed on the inner wall of the exhaust duct body (101), the reinforcing rod (202) is fixedly installed inside the sleeve, and the reinforcing bar (203) is fixedly installed on the outer surface of the reinforcing rod (202).

2. The smoke exhaust duct with good smoke extraction effect according to claim 1, characterized in that: The main body (1) also includes an upper annular connecting plate (104) and a lower annular connecting plate (105). The upper annular connecting plate (104) is fixedly installed at the top of the smoke exhaust duct body (101), and the lower annular connecting plate (105) is fixedly installed at the bottom of the smoke exhaust duct body (101).

3. The smoke exhaust duct with good smoke extraction effect according to claim 2, characterized in that: The main body (1) also includes an annular connecting groove (106) and an annular connector (107). The upper annular connecting plate (104) is fixedly installed with the annular connecting groove (106), and the lower annular connecting plate (105) is fixedly installed with the annular connector (107).

4. The smoke exhaust duct with good smoke extraction effect according to claim 3, characterized in that: The fixing mechanism (2) also includes fixing bolts (204) and a sliding groove (205). Several fixing bolts (204) are fixedly installed on the surface of the lower annular connecting plate (105), and a sliding groove (205) is fixedly installed inside the sleeve.

5. A smoke exhaust duct with good smoke extraction effect according to claim 4, characterized in that: The fixing mechanism (2) also includes a ball groove (206) and balls (207). The reinforcing bar (203) is fixedly installed with the ball groove (206), and a plurality of balls (207) are fixedly installed in the ball groove (206).

6. The smoke exhaust duct with good smoke extraction effect according to claim 5, characterized in that: The fixing mechanism (2) also includes a positioning bolt (208) and a sealing gasket (209). The positioning bolt (208) is fixedly installed on the side of the exhaust duct body (101), and the sealing gasket (209) is fixedly installed on the surface of the upper annular connecting plate (104) and the lower annular connecting plate (105).

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