Rotary adjusting hood

Abstract

The utility model discloses a rotary adjusting hood, and belongs to the technical field of hoods. Comprising a hood body which is connected to the upper end of a pipeline; an exhaust hole is formed in the hood main body, and an exhaust assembly capable of exhausting air in the horizontal direction is fixedly connected to the exhaust hole; a connecting groove is formed in the pipeline, and a connecting block fixedly connected to the lower portion of the hood body is rotationally arranged in the connecting groove. A plurality of fixing holes which are circumferentially distributed are formed in the side wall of the connecting block, and inserting assemblies which are inserted into the fixing holes are arranged in the pipeline; a rotating groove is formed in the hood body, an adjusting assembly is rotationally arranged in the rotating groove, and the adjusting assembly corresponds to the exhaust hole in position. Through rotation of the connecting block and the connecting groove, the air exhaust direction of the air cap can be efficiently adjusted, and the air displacement can be adjusted by rotating the adjusting assembly.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of rotary adjustment air cap, belong to air cap technical field. BACKGROUND

[0002] The air cap at the end of the exhaust duct plays an important role in ensuring indoor environmental cleanliness, optimizing ventilation effect, protecting the exhaust duct, improving aesthetics and enhancing safety, etc. During use, gases and other substances in the duct can be discharged through the air cap, achieving the effect of ventilation.

[0003] However, in some narrow installation spaces, there are strict requirements for the direction of exhaust gas. If the exhaust gas direction is adjacent to important equipment or facilities, it can easily affect the normal operation of the facilities. Therefore, during actual use of the air cap, the exhaust direction of the air cap often needs to be adjusted according to the specific environment around the air cap. The existing air cap is often inconvenient and inefficient when adjusting the exhaust direction. At the same time, the size of the exhaust port often needs to be adjusted during use of the air cap. The size of the exhaust port of the existing air cap is often fixed and cannot be adjusted to meet different exhaust requirements. To solve the above problems, a new type of air cap is needed. SUMMARY

[0004] The technical problem to be solved by the utility model is that the existing air cap has low adjustment efficiency for the exhaust direction and is inconvenient to adjust the size of the exhaust port to adjust the exhaust volume.

[0005] To solve the above problems, the utility model provides the following technical scheme: a rotary adjustment air cap, including air cap main part, air cap main part is connected to the upper end of duct;Air cap main part is provided with exhaust hole, and the exhaust hole is fixedly connected with exhaust assembly that can exhaust to horizontal direction;The connecting groove is arranged in the duct, and the connecting block fixedly connected to the lower part of the air cap main part is rotatably arranged in the connecting groove;The side wall of the connecting block is provided with a plurality of fixed holes distributed in a circle, and the duct is provided with a plug-in assembly inserted into the fixed hole;The rotating groove is arranged in the air cap main part, and the adjusting assembly is rotatably arranged in the rotating groove, and the adjusting assembly corresponds to the position of the exhaust hole.

[0006] As an improvement, the exhaust assembly includes a vertical pipe and an exhaust pipe;The vertical pipe is fixedly connected to the air cap main part, and the vertical pipe is in communication with the exhaust hole;The exhaust pipe is fixedly connected to the vertical pipe in a horizontal manner, and the exhaust pipe is in communication with the vertical pipe.

[0007] As an improvement, the vertical pipe and the exhaust pipe have the same inner and outer diameters, and a screw plug is threadedly connected to the upper end of the vertical pipe;The end of the exhaust pipe is an open end, and the inner wall of the end of the exhaust pipe is provided with threads.

[0008] As improved, the plug-in assembly comprises a fixing rod, a fixing block, a groove is opened in the pipeline wall, the fixing rod is located in the groove, and the fixing rod is inserted into the fixing hole; the fixing block is located in the groove, and the fixing block is fixed on the fixing rod.

[0009] As improved, a spring is arranged in the groove, the spring is pre-compressed, and the spring is sleeved on the fixing rod; the fixing holes are uniformly and equidistantly distributed in the circumferential shape on the side wall of the connecting block.

[0010] As improved, the adjusting assembly comprises a rotating plate and an adjusting hole; the rotating plate is rotatably arranged in the rotating groove, the adjusting hole is opened on the rotating plate, and the adjusting hole corresponds to the position of the exhaust hole; the adjusting hole is provided with four adjusting holes, the diameters of the four adjusting holes are different, and the four adjusting holes are arranged in the circumferential equidistant distribution on the rotating plate.

[0011] As improved, the operating rod is rotatably connected in the main body of the air cap, and the operating rod is fixedly connected with the rotating plate; the rotating plate and the rotating groove have friction.

[0012] The utility model discloses beneficial effect:

[0013] 1, the connecting groove is opened in the pipeline, and the connecting block fixedly connected below the air cap is rotatably arranged in the connecting groove; by making the connecting block rotate in the connecting groove, the air cap can be directly rotated, so that the exhaust direction of the exhaust assembly is adjusted. And the connecting block after being adjusted is quickly fixed by the plug-in assembly and the fixing hole, and the adjustment efficiency of the exhaust direction of the air cap is greatly improved.

[0014] 2, the exhaust hole is opened on the air cap, and the adjusting assembly is rotatably arranged in the rotating groove, and the position of the adjusting assembly corresponds to the position of the exhaust hole; by rotating the adjusting assembly, different adjusting holes on the adjusting assembly can be aligned with the exhaust hole, so that the size of the exhaust amount is adjusted. DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model discloses a kind of rotary adjustment air cap.

[0016] Figure 2 It is the pipeline sectional view of the utility model discloses a kind of rotary adjustment air cap.

[0017] Figure 3 It is the enlarged view of partial A of the utility model discloses a kind of rotary adjustment air cap.

[0018] Figure 4 It is the connection explosion drawing of the main body of the air cap and the pipeline of the utility model discloses a kind of rotary adjustment air cap.

[0019] Figure 5 It is the sectional view of the main body of the air cap of the utility model discloses a kind of rotary adjustment air cap.

[0020] 1, pipe; 2, hood main body; 3, exhaust hole; 4, connecting groove; 5, connecting block; 6, fixed rod; 7, fixed hole; 8, groove; 9, spring; 10, fixed block; 11, exhaust pipe; 12, screw plug; 13, vertical pipe; 14, operating rod; 15, rotating plate; 16, adjusting hole; 17, rotating groove. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings below.

[0022] According to Figures 1-5 As shown in the figure: the utility model provides a kind of rotary adjustment hood: including hood main body 2, and hood main body 2 is connected on the upper end of pipe 1;Exhaust hole 3 is set on hood main body 2, and the exhaust assembly that can be exhausted to horizontal direction is fixedly connected on exhaust hole 3;Connecting groove 4 is set in pipe 1, and connecting groove 4 is rotationally arranged with the connecting block 5 fixedly connected below hood main body 2;Connecting block 5 side wall is set with the circumferentially distributed several fixed holes 7, and pipe 1 is provided with the plug-in assembly inserted into fixed hole 7;Rotating groove 17 is set in hood main body 2, and adjusting assembly is rotationally arranged in rotating groove 17, and adjusting assembly corresponds with the position of exhaust hole 3.

[0023] As Figure 5 Shown, exhaust assembly includes vertical pipe 13, exhaust pipe 11;Vertical pipe 13 is fixedly connected on hood main body 2, and vertical pipe 13 is communicated with exhaust hole 3;Exhaust pipe 11 is horizontally fixedly connected on vertical pipe 13, and exhaust pipe 11 is communicated with vertical pipe 13. The inner and outer diameters of vertical pipe 13 and exhaust pipe 11 are all same, and screw plug 12 is threadedly connected on the upper end of vertical pipe 13;The end of exhaust pipe 11 is open end, and the inner wall of the end of exhaust pipe 11 is set with thread.In normal operation, due to the sealing of screw plug 12 to vertical pipe 13, gas in pipe 1 can only be discharged through exhaust pipe 11;And screw plug 12 is opened, and the condition of exhaust hole 3 can be viewed through vertical pipe 13 when operating adjusting assembly.At the same time, screw plug 12 on vertical pipe 13 can also be screwed out and placed in the end of exhaust pipe 11 to plug exhaust pipe 11, so that the entire hood structure can be exhausted upward through vertical pipe 13, increase the applicability of hood.

[0024] As Figure 2 、 3 Shown, plug-in assembly includes fixed rod 6, fixed block 10, and groove 8 is set in the wall of pipe 1, and fixed rod 6 is located in groove 8, and fixed rod 6 is inserted into fixed hole 7;Fixed block 10 is located in groove 8, and fixed block 10 is fixedly sleeved on fixed rod 6. Spring 9 is arranged in groove 8, spring 9 is reserved with compression amount, and spring 9 is sleeved on fixed rod 6, and spring 9 can continuously generate pressure to fixed block 10, to increase the stability of connecting block 5 fixed by fixed rod 6;Fixed hole 7 is evenly distributed in the circumferential shape on the side wall of connecting block 5.

[0025] As Figure 5 shown, the adjusting assembly includes a rotating plate 15, an adjusting hole 16; the rotating plate 15 is rotationally arranged in a rotating groove 17, the adjusting hole 16 is arranged on the rotating plate 15, and the adjusting hole 16 corresponds to the position of the exhaust hole 3; the adjusting hole 16 is provided with four, the four adjusting holes 16 are different in diameter, and the four adjusting holes 16 are arranged in a circle on the rotating plate 15. The operating rod 14 is rotationally connected in the cap main body 2, and the operating rod 14 is fixedly connected with the rotating plate 15. The staff can drive the rotating plate 15 to rotate by operating the operating rod 14, so that the adjusting hole 16 with different diameters is aligned with the exhaust hole 3, thereby adjusting the air volume; the friction between the rotating plate 15 and the rotating groove 17 can ensure that the rotating plate 15 will not continue to rotate in the rotating groove 17 after adjustment, thereby increasing the stability of the rotating plate 15 after adjustment.

[0026] The principle of the utility model

[0027] As Figure 5 shown, in the normal use of the present application, the gas in the pipeline 1 can directly enter the cap main body 2, and then enter the vertical pipe 13 through the adjusting hole 16 and the exhaust hole 3, and finally be discharged from the exhaust pipe 11. When it is necessary to adjust the air volume, the screw plug 12 can be opened to facilitate the observation and adjustment of the staff, the operating rod 14 is directly rotated to drive the rotating plate 15 to rotate in the rotating groove 17, if it is necessary to increase the air volume, the larger adjusting hole 16 can be aligned with the exhaust hole 3, if it is necessary to reduce the air volume, the smaller adjusting hole 16 can be aligned with the exhaust hole 3. After adjustment, the screw plug 12 can be screwed.

[0028] As Figure 2 , 3 shown, when it is necessary to adjust the exhaust direction, the fixed rod 6 is only pulled to make the fixed rod 6 separate from the fixed hole 7, and the fixed block 10 compresses the spring 9; the entire cap main body 2 is directly rotated, the connecting block 5 rotates in the connecting groove 4, drives the exhaust pipe 11 and the vertical pipe 13 to rotate, thereby changing the exhaust direction of the horizontal exhaust pipe 11; the appropriate fixed hole 7 is selected to make the fixed hole 7 aligned with the fixed rod 6, the fixed rod 6 is loosened, and under the action of the rebound force of the spring 9, the fixed rod 6 is reinserted into the fixed hole 7, thereby fixing the connecting block 5, and the adjustment of the exhaust direction of the cap is quickly and efficiently completed.

[0029] The utility model and its implementation mode have been described above, and this description is not restrictive. The embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A rotary adjusting air cap, comprising an air cap body (2) connected to the upper end of a pipe (1); an exhaust hole (3) is formed in the air cap body (2), and an exhaust assembly capable of exhausting air horizontally is fixedly connected to the exhaust hole (3); characterized in that: a connecting groove (4) is formed in the pipe (1), and a connecting block (5) fixedly connected to the lower part of the air cap body (2) is rotatably arranged in the connecting groove (4); a plurality of fixing holes (7) are formed in the side wall of the connecting block (5) in a circumferential distribution, and a plug-in assembly is arranged in the pipe (1) and inserted into the fixing holes (7); a rotating groove (17) is formed in the air cap body (2), and an adjusting assembly is rotatably arranged in the rotating groove (17), and the adjusting assembly corresponds to the position of the exhaust hole (3).

2. A rotary damper according to claim 1, wherein: The exhaust assembly comprises a vertical pipe (13) and an exhaust pipe (11); the vertical pipe (13) is fixedly connected to the air cap body (2), and the vertical pipe (13) communicates with the exhaust hole (3); the exhaust pipe (11) is fixedly connected to the vertical pipe (13) in a horizontal manner, and the exhaust pipe (11) communicates with the vertical pipe (13).

3. A rotary damper according to claim 2, wherein: The vertical pipe (13) and the exhaust pipe (11) have the same inner and outer diameters, and a screw plug (12) is threadedly connected to the upper end of the vertical pipe (13); the end of the exhaust pipe (11) is an open end, and a thread is formed in the inner wall of the end of the exhaust pipe (11).

4. A rotary damper according to claim 1, wherein: The plug-in assembly comprises a fixed rod (6) and a fixed block (10); a groove (8) is formed in the wall of the pipe (1), the fixed rod (6) is located in the groove (8), and the fixed rod (6) is inserted into the fixing hole (7); the fixed block (10) is located in the groove (8), and the fixed block (10) is fixedly sleeved on the fixed rod (6).

5. A rotary damper according to claim 4, wherein: A spring (9) is arranged in the groove (8), the spring (9) has a compression amount reserved, and the spring (9) is sleeved on the fixed rod (6); the fixing holes (7) are distributed in a circumferential shape on the side wall of the connecting block (5) at equal distances.

6. A rotary damper according to claim 1, wherein: The adjusting assembly comprises a rotating plate (15) and adjusting holes (16); the rotating plate (15) is rotatably arranged in the rotating groove (17), the adjusting holes (16) are formed in the rotating plate (15), and the adjusting holes (16) correspond to the positions of the exhaust holes (3); the adjusting holes (16) are arranged in four, the diameters of the four adjusting holes (16) are different, and the four adjusting holes (16) are arranged in a circumferential distribution at equal distances on the rotating plate (15).

7. A rotary damper according to claim 6, wherein: An operating rod (14) is rotatably connected to the air cap body (2), and the operating rod (14) is fixedly connected to the rotating plate (15); a friction force exists between the rotating plate (15) and the rotating groove (17).

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