Ventilation pipeline with good port sealing performance

Abstract

The utility model discloses a ventilating duct with good port sealing performance, which comprises a first ventilating duct, a second ventilating duct is arranged at the side part of the first ventilating duct, the first ventilating duct is provided with a protection mechanism used for carrying out external enclosure on the end part of the second ventilating duct, and the protection mechanism comprises a bearing ring, a protection cylinder and a positioning plate, the protection barrel is arranged between the opposite bearing rings in a sliding mode, the bearing rings and the protection barrel are used for shielding and protecting the first ventilation pipeline and the second ventilation pipeline, the positioning plates are arranged on the side portions of the bearing rings in a sliding mode, and the protection barrel is connected with the bearing rings through the positioning plates. Through mutual cooperation of the first ventilation pipeline, the second ventilation pipeline, the bearing ring, the protection barrel, the positioning plate and the limiting plate, the protection barrel and the bearing ring shield the joint of the first ventilation pipeline and the second ventilation pipeline; and therefore, the joint of the first ventilation pipeline and the second ventilation pipeline located outside can be shielded and protected.

Description

Technical Field

[0001] The utility model relates to the field of ventilation ducts, in particular to a ventilation duct with good port sealing performance. Background Art

[0002] As we all know, when carrying out indoor activities, the room needs to be ventilated to allow the indoor air to circulate, and ventilation ducts will be used, which can discharge the indoor air.

[0003] There are various types of ventilation ducts in the prior art, and some of them are connected to indoors. When two ventilation ducts in a room are connected, seals are usually added to the butt ports of the two ventilation ducts to increase the sealing performance of the connection between the two ventilation duct ports.

[0004] The two ventilation duct ports are usually fixed together with bolts. However, after long-term use, the external ventilation duct will be invaded by rainwater due to the complex and diverse external environment, which will affect the service life of the seal and the sealing between the two ventilation duct ports. It is not convenient to protect the ports of the external ventilation duct, which has certain limitations. Utility Model Content

[0005] The utility model aims to provide a ventilation duct with good port sealing performance to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a ventilation duct with good port sealing performance, comprising:

[0007] a first ventilation duct, wherein a second ventilation duct is disposed on a side of the first ventilation duct;

[0008] A protection mechanism for externally enclosing the end of the second ventilation duct is provided outside the first ventilation duct, and the protection mechanism includes:

[0009] A bearing ring and a protective tube, wherein the protective tube is slidably disposed between the relative bearing rings, and the bearing ring and the protective tube are used to shield and protect the first ventilation duct and the second ventilation duct;

[0010] A positioning plate is slidably arranged on the side of the carrying ring, and the protective tube is connected to the carrying ring through the positioning plate.

[0011] Preferably, the outer walls of the first ventilation duct and the second ventilation duct are respectively slidably interlaced with the interior of the carrying ring, and the other side of the carrying ring is fixedly connected with an arc plate, the top end of the arc plate is threadedly interlaced with a locking bolt, and one end of the locking bolt is threadedly interlaced with the first ventilation duct.

[0012] Preferably, the side of the positioning plate is fixedly connected to the protective tube, a positioning groove is opened on the side of the carrying ring, the positioning plate is slidably connected to the inner cavity of the positioning groove, one of the sides of the protective tube is fixedly connected to a support plate, and the other side of the protective tube is fixedly connected to a fixing plate.

[0013] Preferably, the top end of the support plate is fixedly connected to a mounting plate, the bottom end of the fixing plate is symmetrically provided with a mounting groove matching the mounting plate, the side of the fixing plate is symmetrically provided with a first slide groove, the side of the mounting plate is provided with a limiting groove, the inner cavity of the first slide groove is provided with a limiting plate, the limiting plate is slidably and interlacedly connected with the inner cavity of the limiting groove, and the side of the limiting plate is fixedly connected with an operating plate.

[0014] Preferably, a second slide groove is opened on the side of the fixed plate, and the inner cavity of the second slide groove is slidably provided with a connecting plate for driving the limit plate to slide horizontally, the side of the connecting plate is fixedly connected to the limit plate, and a third slide groove is opened on the side of the inner wall of the second slide groove, and the inner cavity of the third slide groove is embedded with a guide plate.

[0015] Preferably, a connecting rod is fixedly connected to the side of the connecting plate, the outer wall of the connecting rod is slidably and interlacedly connected to the guide plate, one end of the connecting rod is fixedly connected to an annular plate, the outer wall of the connecting rod is sleeved with a spring for driving the annular plate to slide horizontally, one end of the spring is fixedly connected to the annular plate, and the other end of the spring is fixedly connected to the guide plate.

[0016] Technical effects and advantages of the utility model:

[0017] The utility model utilizes the mutual cooperation of the first ventilation duct, the second ventilation duct, the bearing ring, the protective cylinder, the positioning plate, the fixing plate, the support plate, the mounting plate and the limit plate. The bearing ring is installed on the outside of the first ventilation duct and the second ventilation duct, and the protective cylinder and the bearing ring shield the connection between the first ventilation duct and the second ventilation duct, which is beneficial to shield and protect the connection between the first ventilation duct and the second ventilation duct on the outside, and is convenient for increasing the sealing between the first ventilation duct and the second ventilation duct, which is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a front sectional structural diagram of the support ring of the utility model.

[0020] Figure 3 It is a schematic diagram of the top cross-sectional structure of the fixed plate of the utility model.

[0021] In the figure: 1. first ventilation duct; 2. second ventilation duct; 3. protection mechanism; 31. load-bearing ring; 32. protection tube; 33. positioning plate; 34. fixing plate; 35. support plate; 36. mounting plate; 37. limit plate; 38. operating plate; 39. connecting plate; 310. guide plate; 311. connecting rod; 312. annular plate; 313. spring; 4. arc plate; 5. locking bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-3 A ventilation duct with good port sealing performance is shown, which comprises a first ventilation duct 1 , and a second ventilation duct 2 is arranged on the side of the first ventilation duct 1 .

[0024] Furthermore, a protective mechanism 3 for externally enclosing the end of the second ventilation duct 2 is provided on the outside of the first ventilation duct 1. The protective mechanism 3 includes a bearing ring 31, a protective tube 32 and a positioning plate 33. There are four bearing rings 31, which are respectively arranged up and down and located on the outside of the first ventilation duct 1 and the second ventilation duct 2. The bearing ring 31 is conducive to connecting with the protective tube 32, and then it is conducive to cooperating with the protective tube 32 to shield and protect the end connection of the first ventilation duct 1 and the second ventilation duct 2, so as to increase the sealing of the connection between the first ventilation duct 1 and the second ventilation duct 2. The positioning plate 33 is conducive to making the protective tube 32 slidably connected with the bearing ring 31, which is convenient for positioning and installing the protective tube 32 to avoid the random rotation of the protective tube 32. The protective tube 32 is slidably arranged relative to the bearing ring The supporting ring 31 and the protective tube 32 are used to shield and protect the first ventilation duct 1 and the second ventilation duct 2. The positioning plate 33 is slidably arranged on the side of the supporting ring 31. The protective tube 32 is connected to the supporting ring 31 through the positioning plate 33. The outer walls of the first ventilation duct 1 and the second ventilation duct 2 are respectively slidably connected with the inner part of the supporting ring 31. The four supporting rings 31 are respectively sleeved on the outside of the first ventilation duct 1 and the second ventilation duct 2. The other side of the supporting ring 31 is fixedly connected with an arc plate 4, which is beneficial to support the supporting ring 31 and then to install the supporting ring 31. The top end of the arc plate 4 is threadedly inserted with a locking bolt 5, which is beneficial to install and disassemble the arc plate 4. One end of the locking bolt 5 is threadedly inserted with the first ventilation duct 1.

[0025] Specifically, the side of the positioning plate 33 is fixedly connected to the protective tube 32, and a positioning groove is provided on the side of the carrying ring 31. The positioning plate 33 is slidably connected with the inner cavity of the positioning groove. A support plate 35 is fixedly connected to the side of one of the protective tubes 32, which is conducive to supporting the mounting plate 36. A fixing plate 34 is fixedly connected to the side of the other protective tube 32, which is conducive to connecting with the mounting plate 36, and then facilitating the positioning and installation of the two protective tubes 32. The top of the supporting plate 35 is fixedly connected to the mounting plate 36, which is conducive to positioning the installation of the mounting plate 36. The bottom end of the fixing plate 34 is symmetrically provided with a mounting groove matched with the mounting plate 36, the side of the fixing plate 34 is symmetrically provided with a first slide groove, the side of the fixing plate 34 is provided with a limiting groove, and the inner cavity of the first slide groove is provided with a limiting plate 37, which is conducive to limiting the relative position of the fixing plate 36 and the fixing plate 34, facilitating the installation and removal of the protection tube 32, so as to remove the protection tube 32 and facilitate the maintenance between the first ventilation duct 1 and the second ventilation duct 2. The limiting plate 37 is slidably connected with the inner cavity of the limiting groove, and the side of the limiting plate 37 is fixedly connected with an operating plate 38, which is conducive to Pull the limit plate 37 to move, a second slide groove is provided on the side of the fixed plate 34, and a connecting plate 39 is slidably provided in the inner cavity of the second slide groove for driving the limit plate 37 to slide horizontally, which is conducive to connecting two adjacent limit plates 37 in series, and the side of the connecting plate 39 is fixedly connected to the limit plate 37, and a third slide groove is provided on the side of the inner wall of the second slide groove, and a guide plate 310 is embedded in the inner cavity of the third slide groove, which is conducive to guiding the sliding of the connecting rod 311, and a connecting rod 311 is fixedly connected to the side of the connecting plate 39, which is conducive to driving the connecting plate 39 to move, and the connecting rod 311 The outer wall is slidably and interlacedly connected with the guide plate 310, and one end of the connecting rod 311 is fixedly connected with the annular plate 312, which is conducive to driving the connecting rod 311 to move. The outer wall of the connecting rod 311 is provided with a spring 313 for driving the annular plate 312 to slide horizontally. The elastic force of the spring 313 is conducive to pushing the annular plate 312 to move, so that the annular plate 312 and the connecting rod 311 can be restored to their original positions after movement, and it is convenient to repeat the operation of the limit plate 37. One end of the spring 313 is fixedly connected to the annular plate 312, and the other end of the spring 313 is fixedly connected to the guide plate 310.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation duct with good port sealing performance, comprising: A first ventilation duct (1), wherein a second ventilation duct (2) is arranged on a side of the first ventilation duct (1); It is characterized in that a protection mechanism (3) for externally enclosing the end of the second ventilation duct (2) is provided on the outside of the first ventilation duct (1), and the protection mechanism (3) comprises: A bearing ring (31) and a protective tube (32), wherein the protective tube (32) is slidably arranged between the bearing rings (31) and the protective tube (32), and the bearing ring (31) and the protective tube (32) are used to shield and protect the first ventilation duct (1) and the second ventilation duct (2); A positioning plate (33) is slidably arranged on the side of the carrying ring (31), and the protective tube (32) is connected to the carrying ring (31) through the positioning plate (33).

2. A ventilation duct with good port sealing according to claim 1, characterized in that: The outer walls of the first ventilation duct (1) and the second ventilation duct (2) are respectively connected to the inside of the supporting ring (31) by sliding insertion, and the other side of the supporting ring (31) is fixedly connected to an arc plate (4), and the top end of the arc plate (4) is threadedly inserted and connected to a locking bolt (5), and one end of the locking bolt (5) is threadedly inserted and connected to the first ventilation duct (1).

3. A ventilation duct with good port sealing according to claim 1, characterized in that: The side of the positioning plate (33) is fixedly connected to the protective tube (32), the side of the carrying ring (31) is provided with a positioning groove, the positioning plate (33) is slidably connected to the inner cavity of the positioning groove, one side of the protective tube (32) is fixedly connected to a support plate (35), and the other side of the protective tube (32) is fixedly connected to a fixing plate (34).

4. A ventilation duct with good port sealing according to claim 3, characterized in that: The top end of the support plate (35) is fixedly connected to a mounting plate (36); the bottom end of the fixing plate (34) is symmetrically provided with a mounting groove matched with the mounting plate (36); the side of the fixing plate (34) is symmetrically provided with a first sliding groove; the side of the mounting plate (36) is provided with a limiting groove; the inner cavity of the first sliding groove is provided with a limiting plate (37); the limiting plate (37) is slidably and interlacedly connected with the inner cavity of the limiting groove; the side of the limiting plate (37) is fixedly connected with an operating plate (38).

5. A ventilation duct with good port sealing according to claim 4, characterized in that: A second slide groove is provided on the side of the fixed plate (34), and a connecting plate (39) is slidably provided in the inner cavity of the second slide groove for driving the limit plate (37) to slide horizontally, and the side of the connecting plate (39) is fixedly connected to the limit plate (37). A third slide groove is provided on the side of the inner wall of the second slide groove, and a guide plate (310) is embedded in the inner cavity of the third slide groove.

6. A ventilation duct with good port sealing according to claim 5, characterized in that: A connecting rod (311) is fixedly connected to the side of the connecting plate (39); the outer wall of the connecting rod (311) is slidably connected to the guide plate (310); one end of the connecting rod (311) is fixedly connected to an annular plate (312); the outer wall of the connecting rod (311) is sleeved with a spring (313) for driving the annular plate (312) to slide horizontally; one end of the spring (313) is fixedly connected to the annular plate (312); and the other end of the spring (313) is fixedly connected to the guide plate (310).

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