Ventilation pipe convenient to butt joint and used for air purification

Abstract

The utility model relates to the technical field of ventilation pipes, in particular to an air purification ventilation pipe convenient to butt-joint, which comprises a ventilation pipe body, a first butt-joint ring and a second butt-joint ring are respectively and fixedly connected to two ends of the outer wall of the ventilation pipe body, and a plurality of uniformly distributed butt-joint grooves are formed in the left side wall of the first butt-joint ring. A plurality of butt joint grooves are formed in the right side wall of the second butt joint ring, through holes are formed in one inner side wall of each butt joint groove in a penetrating mode, fixing racks are slidably connected to the interiors of the through holes, a plurality of butt joint blocks matched with the butt joint grooves are fixedly connected to the right side wall of the second butt joint ring, fixing holes matched with the fixing racks are formed in one side wall of each butt joint block in a penetrating mode, and the butt joint blocks are plugged into the butt joint grooves. The two ends of the fixing rack are fixed, then the butt-joint block is stably and firmly fixed into the butt-joint groove, through mutual cooperation of the butt-joint groove, the butt-joint block and the fixing rack, the two ventilation pipe bodies are butt-jointed and fixed rapidly and conveniently, and therefore the installation efficiency of the ventilation pipe bodies is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation pipes, in particular to a ventilation pipe for air purification which is easy to connect. Background Art

[0002] Ventilation ducts are often used for exhaust and air supply in order to remove pollutants such as dust, harmful air and bacteria from indoor air.

[0003] The existing ventilation pipe docking mechanism is basically composed of flanges, threaded holes, bolts and other components. When the existing ventilation pipe docking mechanism is used, the flanges at one end of the two ventilation pipes are first aligned, and then the bolts are passed through the threaded holes, and the two flanges are fixed by the bolts, thereby docking and fixing the two ventilation pipes.

[0004] During use, the above device connects and fixes the two ventilation pipes through flanges and bolts. Before the two ventilation pipes are connected, the bolt holes of the two ventilation pipes need to be aligned and kept stable, and then the bolts are installed. However, tools are needed to install the nuts and bolts during installation, and the overall installation efficiency is low, which is inconvenient for people to use. Utility Model Content

[0005] The utility model aims to provide a ventilation pipe for air purification which is easy to connect and has the characteristics of being easy to connect and fix two ventilation pipes and improving installation efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ventilation pipe for air purification that is easy to dock, comprising a ventilation pipe body, wherein the two ends of the outer wall of the ventilation pipe body are respectively fixedly connected with a first docking ring and a second docking ring, the left side wall of the first docking ring is provided with a plurality of evenly distributed docking grooves, and a through hole is penetrated through an inner side wall of the plurality of docking grooves, and a fixed rack is slidably connected inside the plurality of through holes;

[0007] A plurality of docking blocks matching the docking grooves are fixedly connected to the right side wall of the second docking ring, and a fixing hole matching the fixed rack is penetrated through one side wall of the plurality of docking blocks.

[0008] In order to drive the fixed rack to move, as a preferred air purification ventilation duct that is easy to dock with the utility model, a cavity is opened on an inner wall of the through hole, a rotating shaft is rotatably connected inside the cavity, and a gear located inside the cavity and meshing with the fixed rack is fixedly connected to the outer wall of the rotating shaft.

[0009] In order to prevent the fixed rack from slipping out of the through hole, as a preferred air purification ventilation duct that is easy to connect with the utility model, the other inner wall of the through hole is provided with a groove, the inside of the groove is movably connected with a stopper, and one side wall of the fixed rack is provided with a stop groove that matches the stopper.

[0010] In order to stably and firmly fix the docking block into the docking groove, as a preferred air purification ventilation duct that is easy to dock in the utility model, the other side wall of the docking groove is provided with a limiting groove that matches the fixed rack, and the length of the fixed rack is greater than the length of the docking groove.

[0011] In order to prevent the fixed rack from slipping out of the limiting groove, as a preferred air purification ventilation duct that is easy to connect to the utility model, a first magnet is fixedly connected to the inside of the limiting groove, and a second magnet matching the first magnet is fixedly connected to one end of the fixed rack.

[0012] In order to push the stopper into the stopper groove, as a preferred air purification ventilation pipe that is easy to connect with the utility model, a spring is fixedly connected to the inside of the groove, and the other end of the spring is fixedly connected to the stopper.

[0013] In order to drive the rotating shaft to rotate, as a preferred air purification ventilation pipe that is easy to dock in the utility model, one end of the rotating shaft extends to the right side of the first docking ring and is fixedly connected with a torsion block.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] Insert the docking block into the docking groove, drive the fixed rack to move through the gear, make the fixed rack pass through the fixing hole and enter the limit groove, fix the two ends of the fixed rack, and then fix the docking block stably and firmly in the docking groove, through the mutual cooperation between the docking groove, the docking block and the fixed rack, the two ventilation duct bodies can be quickly and conveniently docked and fixed, thereby improving the installation efficiency of the ventilation duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the left side cross-sectional structure of the first docking ring of the utility model;

[0019] Figure 4 It is a right side cross-sectional structural schematic diagram of the second docking ring of the utility model;

[0020] Figure 5For this utility model Figure 2 The enlarged structural diagram of part a in the middle;

[0021] Figure 6 For this utility model Figure 3 The enlarged structural diagram of part b in the middle;

[0022] In the figure: 1. duct body; 2. first docking ring; 3. second docking ring; 4. docking groove; 5. through hole; 6. fixed rack; 7. docking block; 8. fixed hole; 9. cavity; 10. rotating shaft; 11. gear; 12. groove; 13. stop block; 14. stop groove; 15. limit groove; 16. first magnet; 17. second magnet; 18. spring; 19. torsion block. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] See also Figures 1 to 6 A ventilation pipe for air purification that is easy to dock, comprising a ventilation pipe body 1, a first docking ring 2 and a second docking ring 3 are fixedly connected to the two ends of the outer wall of the ventilation pipe body 1, a left side wall of the first docking ring 2 is provided with a plurality of evenly distributed docking grooves 4, an inner side wall of the plurality of docking grooves 4 is penetrated with a through hole 5, and the interiors of the plurality of through holes 5 are slidably connected with a fixed rack 6;

[0025] A plurality of docking blocks 7 matching the docking grooves 4 are fixedly connected to the right side wall of the second docking ring 3 , and a fixing hole 8 matching the fixed rack 6 is penetrated through one side wall of the plurality of docking blocks 7 .

[0026] In this embodiment: two ventilation duct bodies 1 are spliced ​​together, the first docking ring 2 is abutted against the second docking ring 3, and then the docking block 7 is inserted into the docking groove 4, and then the gear 11 is rotated, and the gear 11 drives the fixed rack 6 to move, so that the fixed rack 6 passes through the fixing hole 8 and enters the limiting groove 15, and the two ends of the fixed rack 6 are fixed, and then the docking block 7 is stably and firmly fixed to the docking groove 4, and through the mutual cooperation between the docking groove 4, the docking block 7 and the fixed rack 6, the two ventilation duct bodies 1 are quickly and conveniently docked and fixed, thereby improving the installation efficiency of the ventilation duct body 1.

[0027] As a technical optimization solution of the utility model, a cavity 9 is opened on an inner wall of the through hole 5, and a rotating shaft 10 is rotatably connected inside the cavity 9. The outer wall of the rotating shaft 10 is fixedly connected to a gear 11 located inside the cavity 9 and meshing with the fixed rack 6.

[0028] In this embodiment, the rotating shaft 10 rotates, and the rotating shaft 10 drives the gear 11 to rotate, thereby driving the fixed rack 6 to move.

[0029] As a technical optimization solution of the utility model, a groove 12 is formed on the other inner side wall of the through hole 5 , a stopper 13 is movably connected inside the groove 12 , and a stop groove 14 matching the stopper 13 is formed on one side wall of the fixed rack 6 .

[0030] In this embodiment, before the fixed rack 6 moves, the spring 18 pushes the stopper 13 into the stop groove 14 to limit the fixed rack 6 and prevent the fixed rack 6 from sliding out of the through hole 5 .

[0031] As a technical optimization solution of the utility model, the other side wall of the docking groove 4 is provided with a limiting groove 15 matching with the fixed rack 6 , and the length of the fixed rack 6 is greater than the length of the docking groove 4 .

[0032] In this embodiment, the limiting groove 15 can fix the two ends of the fixed rack 6 , so that the docking block 7 is stably and firmly fixed in the docking groove 4 .

[0033] As a technical optimization solution of the utility model, a first magnet 16 is fixedly connected inside the limiting groove 15 , and a second magnet 17 matching the first magnet 16 is fixedly connected to one end of the fixed rack 6 .

[0034] In this embodiment, the first magnet 16 and the second magnet 17 can prevent the fixed rack 6 from sliding out of the limiting groove 15 .

[0035] As a technical optimization solution of the utility model, a spring 18 is fixedly connected inside the groove 12 , and the other end of the spring 18 is fixedly connected to the stopper 13 .

[0036] In this embodiment, the spring 18 can push the stopper 13 into the stop groove 14 .

[0037] As a technical optimization solution of the present utility model, one end of the rotating shaft 10 extends to the right side of the first docking ring 2 and is fixedly connected to a torsion block 19 .

[0038] In this embodiment, the torsion block 19 is rotated, and the torsion block 19 drives the rotating shaft 10 to rotate.

[0039] Working principle: Splice the two ventilation duct bodies 1 so that the first docking ring 2 abuts against the second docking ring 3, and then make the docking block 7 enter the docking groove 4, and then rotate the torsion block 19, the torsion block 19 drives the rotating shaft 10 to rotate, the rotation of the rotating shaft 10 drives the gear 11 to rotate, the gear 11 drives the fixed rack 6 to move, so that the fixed rack 6 passes through the fixing hole 8 and enters the limiting groove 15, and then fix the fixed rack 6 in the limiting groove 15 through the first magnet 16 and the second magnet 17 to prevent the fixed rack 6 from slipping out of the limiting groove 15, fix the two ends of the fixed rack 6, and then stably and firmly fix the docking block 7 to the docking groove 4, through the mutual cooperation between the docking groove 4, the docking block 7 and the fixed rack 6, and then quickly and conveniently dock and fix the two ventilation duct bodies 1, thereby improving the installation efficiency of the ventilation duct body 1.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements 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 pipe for air purification that is easy to dock, comprising a ventilation pipe body (1), wherein two ends of the outer wall of the ventilation pipe body (1) are respectively fixedly connected with a first docking ring (2) and a second docking ring (3), characterized in that: The left side wall of the first docking ring (2) is provided with a plurality of evenly distributed docking grooves (4), an inner side wall of each of the plurality of docking grooves (4) is penetrated by a through hole (5), and a fixed rack (6) is slidably connected inside each of the plurality of through holes (5); A plurality of docking blocks (7) matching the docking grooves (4) are fixedly connected to the right side wall of the second docking ring (3), and a fixing hole (8) matching the fixed rack (6) is formed through one side wall of each of the plurality of docking blocks (7).

2. The air purification ventilation pipe that is easy to connect according to claim 1 is characterized in that: A cavity (9) is formed on an inner side wall of the through hole (5), a rotating shaft (10) is rotatably connected to the interior of the cavity (9), and a gear (11) is fixedly connected to the outer wall of the rotating shaft (10), which is located inside the cavity (9) and meshed with the fixed rack (6).

3. The air purifying ventilation pipe that is easy to connect according to claim 1, characterized in that: A groove (12) is formed on the other inner side wall of the through hole (5), a stopper (13) is movably connected inside the groove (12), and a stop groove (14) matching the stopper (13) is formed on one side wall of the fixed rack (6).

4. The air purifying ventilation pipe that is easy to connect according to claim 1, characterized in that: The other side wall of the docking groove (4) is provided with a limiting groove (15) matching with the fixed rack (6), and the length of the fixed rack (6) is greater than the length of the docking groove (4).

5. The air purifying ventilation pipe that is easy to connect according to claim 4, characterized in that: A first magnet (16) is fixedly connected inside the limiting groove (15), and a second magnet (17) matching the first magnet (16) is fixedly connected to one end of the fixed rack (6).

6. The air purifying ventilation pipe that is easy to connect according to claim 3, characterized in that: A spring (18) is fixedly connected inside the groove (12), and the other end of the spring (18) is fixedly connected to the stopper (13).

7. The air purifying ventilation pipe that is easy to connect according to claim 2, characterized in that: One end of the rotating shaft (10) extends to the right side of the first docking ring (2) and is fixedly connected to a torsion block (19).

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