Ventilation pipeline connecting device

Abstract

The utility model provides a ventilating duct connecting device, and particularly relates to the technical field of ventilating duct connection, the ventilating duct connecting device comprises a ventilating duct body, one side of the ventilating duct body is provided with a connecting frame, one side of the connecting frame is provided with a mounting mechanism, the mounting mechanism comprises a mounting groove, a first threaded hole, a second threaded hole, a first bolt, a mounting frame, a first through hole and a hose, according to the ventilation pipeline connecting device, the butt joint block on the connecting frame slides into the butt joint groove, then a second bolt penetrates through a second through hole and a third through hole, and then a nut is screwed, so that the connecting device and the ventilation pipe body are assembled, when the nut is screwed, the sealing frame is extruded, and the sealing frame is tightly screwed. And by arranging the butt joint block and the butt joint groove, the effect of pre-butt joint fixing can be achieved, and the situation that the position of the connecting device and the position of the ventilation pipe body deviate during butt joint is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation duct connection, in particular to a ventilation duct connection device. Background Art

[0002] Ventilation ducts are a general term for various air pipes (air ducts) used to transport air and air mixtures. Ventilation ducts made of thin steel plates, aluminum plates, rigid polyvinyl chloride plates, and fiberglass are usually called air ducts; those made of bricks, concrete, slag gypsum boards, and wood are called air ducts. Their cross-sections are mostly circular, but there are also rectangles with different length-to-width ratios to facilitate matching with buildings or components. When two ventilation ducts are connected, they may be offset, and it is inconvenient to align them during docking installation, and they are easily misaligned. Utility Model Content

[0003] The purpose of the present invention is to provide a ventilation duct connection device to solve the problem in the background art that when two ventilation ducts are connected, they may be offset, and when they are butt-jointed, they are difficult to align and easily misaligned.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a ventilation duct connection device, comprising a ventilation duct body, a connecting frame is provided on one side of the ventilation duct body, a mounting mechanism is provided on one side of the connecting frame, the mounting mechanism comprises a mounting groove, a first threaded hole, a second threaded hole, a first bolt, a mounting frame, a first through hole and a hose, a mounting groove is provided on one side of the connecting frame, a first threaded hole is provided on the inner side of the mounting groove, a second threaded hole is provided on the outer side of the mounting groove, a first bolt is connected to the inner thread of the second threaded hole, a mounting frame is plugged into the inner side of the mounting groove, a first through hole is provided on the outer side of the mounting frame, a hose is fixedly connected to one side of the mounting frame, and a docking mechanism is provided on the other side of the connecting frame.

[0005] Preferably, the hose is made of silicone cloth, the mounting frame is made of rubber, and the first through holes are distributed at equal intervals on the top of the mounting frame.

[0006] Preferably, the first bolt thread passes through the second threaded hole and is connected to the first threaded hole, four second threaded holes are provided, and the four second threaded holes are distributed at equal intervals on the outside of the connecting frame.

[0007] Preferably, the docking mechanism includes a docking block, a second through hole, a second bolt, a docking groove, a third through hole, a nut and a sealing frame. The outer side of the connecting frame is fixedly connected to the docking block, a second through hole is penetrated on one side of the docking block, a second bolt is inserted into the inner side of the second through hole, a docking groove is provided on one side of the ventilation pipe body, a third through hole is provided on the inner side of the docking groove, a nut is threadedly connected to the outer side of the second bolt, and one side of the ventilation pipe body is connected to the sealing frame by gluing.

[0008] Preferably, the sealing frame is made of rubber material, the docking block is made of rubber material, and the second through holes are distributed at equal intervals on the outer wall of the docking block.

[0009] Preferably, the outer wall size of the docking block is in line with the inner wall size of the docking groove, and the docking block is arranged in a trapezoidal structure.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: when the ventilation duct connecting device is in use, the mounting frame at one end of the hose is inserted into the mounting groove on the connecting frame, and the mounting frame is squeezed and deformed so that the inner wall of the mounting groove fits tightly with the mounting frame, and then the second threaded hole is threadedly connected with the first bolt and penetrates the first through hole, so that one end of the first bolt is screwed into the first threaded hole. During the screwing-in process, the opening of the mounting groove becomes smaller, clamping the mounting frame, thereby fixing the hose, which is more convenient for replacing the hose. The docking block on the connecting frame is slid into the docking groove, and then the second bolt is penetrated through the second through hole and the third through hole with the second bolt, and then the nut is screwed on, so as to assemble the connecting device and the ventilation duct body. When the nut is tightened, the sealing frame is squeezed, thereby achieving a better connection effect. The setting of the docking block and the docking groove can achieve a pre-docking and fixing effect, thereby preventing the connection device and the ventilation duct body from being offset during docking, and the setting of the hose can ensure normal docking when the two ventilation ducts are offset. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the installation mechanism structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the docking block and the docking groove cooperating with each other in the utility model;

[0014] Figure 4 This is a schematic diagram of the structure in which the docking groove and the third through hole cooperate with each other in the present invention.

[0015] In the figure: 1. Ventilation duct body; 2. Connecting frame; 3. Mounting mechanism; 301. Mounting groove; 302. First threaded hole; 303. Second threaded hole; 304. First bolt; 305. Mounting frame; 306. First through hole; 307. Hose; 4. Docking mechanism; 401. Docking block; 402. Second through hole; 403. Second bolt; 404. Docking groove; 405. Third through hole; 406. Nut; 407. Sealing frame. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0018] Example

[0019] See also Figure 1-4, The utility model provides a ventilation duct connection device: It includes a ventilation duct body 1, a connecting frame 2 is provided on one side of the ventilation duct body 1, and a mounting mechanism 3 is provided on one side of the connecting frame 2. The mounting mechanism 3 includes a mounting groove 301, a first threaded hole 302, a second threaded hole 303, a first bolt 304, a mounting frame 305, a first through hole 306 and a hose 307. A mounting groove 301 is provided on one side of the connecting frame 2, a first threaded hole 302 is provided on the inner side of the mounting groove 301, a second threaded hole 303 is provided on the outer side of the mounting groove 301, the inner side of the second threaded hole 303 is threadedly connected with the first bolt 304, the inner side of the mounting groove 301 is plugged with the mounting frame 305, and the outer side of the mounting frame 305 is threadedly connected with the first bolt 304. A first through hole 306 is penetrated, and a hose 307 is fixedly connected to one side of the mounting frame 305. A docking mechanism 4 is provided on the other side of the connecting frame 2. When in use, the mounting frame 305 at one end of the hose 307 is inserted into the mounting groove 301 on the connecting frame 2. The mounting frame 305 is squeezed and deformed so that the inner wall of the mounting groove 301 fits tightly with the mounting frame 305. Then, the second threaded hole 303 is threadedly connected with the first bolt 304 and passes through the first through hole 306, so that one end of the first bolt 304 is screwed into the first threaded hole 302. During the screwing-in process, the opening of the mounting groove 301 will become smaller, clamping the mounting frame 305, thereby fixing the hose 307, which makes it more convenient to replace the hose 307.

[0020] In order to facilitate replacement of the hose 307 , the hose 307 is made of silicone cloth, the mounting frame 305 is made of rubber, and the first through holes 306 are distributed at equal intervals on the top of the mounting frame 305 .

[0021] In order to facilitate replacement of the hose 307 , the first bolt 304 is threaded through the second threaded hole 303 and connected to the first threaded hole 302 . There are four second threaded holes 303 , which are evenly spaced outside the connection frame 2 .

[0022] In order to facilitate the connection between the connecting device and the ventilation pipe body 1, the docking mechanism 4 includes a docking block 401, a second through hole 402, a second bolt 403, a docking groove 404, a third through hole 405, a nut 406 and a sealing frame 407. The outer side of the connecting frame 2 is fixedly connected with the docking block 401, a second through hole 402 is opened on one side of the docking block 401, and a second bolt 403 is inserted into the inner side of the second through hole 402. A docking groove 404 is opened on one side of the ventilation pipe body 1, and a third through hole 405 is opened on the inner side of the docking groove 404. The outer side of the second bolt 403 is threadedly connected with a nut. 406. One side of the ventilation duct body 1 is connected to the sealing frame 407 by gluing. The docking block 401 on the connecting frame 2 is slid into the docking groove 404. The second bolt 403 is then passed through the second through hole 402 and the third through hole 405. The nut 406 is then screwed on to assemble the connecting device and the ventilation duct body 1. When the nut 406 is tightened, the sealing frame 407 will be squeezed to achieve a better connection effect. The setting of the docking block 401 and the docking groove 404 can achieve a pre-docking and fixing effect to prevent the connection device and the ventilation duct body 1 from being offset during docking.

[0023] In order to facilitate the connection between the connecting device and the ventilation pipe body 1, the sealing frame 407 is made of rubber, the docking block 401 is also made of rubber, and the second through holes 402 are distributed at equal intervals on the outer wall of the docking block 401.

[0024] In order to facilitate the connection between the connecting device and the ventilation pipe body 1, the outer wall size of the docking block 401 is matched with the inner wall size of the docking groove 404, and the docking block 401 is set in a trapezoidal structure.

[0025] Working principle: When in use, insert the mounting frame 305 at one end of the hose 307 into the mounting groove 301 on the connecting frame 2. The mounting frame 305 is squeezed and deformed so that the inner wall of the mounting groove 301 fits tightly with the mounting frame 305. Then, the first bolt 304 is threadedly connected to the second threaded hole 303 and passes through the first through-hole 306. One end of the first bolt 304 is screwed into the first threaded hole 302. During the screwing process, the opening of the mounting groove 301 becomes smaller, clamping the mounting frame 305, thereby fixing the hose 307. In this way, it is more convenient to replace the hose 307. The docking block 401 on the connecting frame 2 is slid into the docking groove 404, and then the second bolt 403 is used to penetrate the second through hole 402 and the third through hole 405, and then the nut 406 is screwed on to assemble the connecting device and the ventilation pipe body 1. When the nut 406 is tightened, the sealing frame 407 will be squeezed to achieve a better connection effect. The setting of the docking block 401 and the docking groove 404 can achieve a pre-docking and fixing effect to prevent the connection device and the ventilation pipe body 1 from being offset during docking.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation duct connection device, comprising a ventilation duct body (1), characterized in that: A connection frame (2) is provided on one side of the ventilation pipe body (1), and a mounting mechanism (3) is provided on one side of the connection frame (2). The mounting mechanism (3) comprises a mounting groove (301), a first threaded hole (302), a second threaded hole (303), a first bolt (304), a mounting frame (305), a first through hole (306) and a hose (307). A mounting groove (301) is provided on one side of the connection frame (2), and a first threaded hole (302) is provided on the inner side of the mounting groove (301). A hole (302) is provided on the outside of the installation groove (301), a second threaded hole (303) is provided on the outside of the second threaded hole (303), a first bolt (304) is threadedly connected thereto, an installation frame (305) is inserted into the inside of the installation groove (301), a first through hole (306) is provided on the outside of the installation frame (305), a hose (307) is fixedly connected to one side of the installation frame (305), and a docking mechanism (4) is provided on the other side of the connection frame (2).

2. A ventilation duct connection device according to claim 1, characterized in that: The hose (307) is made of silicone cloth, the installation frame (305) is made of rubber, and the first through holes (306) are distributed at equal intervals on the top of the installation frame (305).

3. The ventilation duct connection device according to claim 1, characterized in that: The first bolt (304) is threadedly passed through the second threaded hole (303) and connected to the first threaded hole (302). Four second threaded holes (303) are provided, and the four second threaded holes (303) are distributed at equal intervals outside the connection frame (2).

4. The ventilation duct connection device according to claim 1, characterized in that: The docking mechanism (4) comprises a docking block (401), a second through hole (402), a second bolt (403), a docking groove (404), a third through hole (405), a nut (406) and a sealing frame (407); the outer side of the connection frame (2) is fixedly connected with the docking block (401); a second through hole (402) is provided through one side of the docking block (401); a second bolt (403) is inserted into the inner side of the second through hole (402); a docking groove (404) is provided on one side of the ventilation pipe body (1); a third through hole (405) is provided on the inner side of the docking groove (404); a nut (406) is threadedly connected to the outer side of the second bolt (403); and one side of the ventilation pipe body (1) is connected to the sealing frame (407) by gluing.

5. A ventilation duct connection device according to claim 4, characterized in that: The sealing frame (407) is made of rubber, the docking block (401) is made of rubber, and the second through holes (402) are distributed at equal intervals on the outer wall of the docking block (401).

6. A ventilation duct connection device according to claim 4, characterized in that: The outer wall size of the docking block (401) is in conformity with the inner wall size of the docking groove (404), and the docking block (401) is arranged in a trapezoidal structure.

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