Air outlet of ventilating duct

Abstract

The utility model belongs to the technical field of ventilating ducts, and particularly relates to an air outlet of a ventilating duct, which comprises an air outlet main body and further comprises a corrugated pipe rotationally connected to a port of the air outlet main body; the driving mechanism is connected to the corrugated pipe in a drivable mode and used for driving the corrugated pipe to rotate; the adjusting mechanism is connected to the corrugated pipe in a drivable mode and used for adjusting the bending angle of the corrugated pipe; according to the utility model, the corrugated pipe is arranged, the driving mechanism can drive the corrugated pipe to rotate, the adjusting mechanism can adjust the bending angle of the corrugated pipe, the air outlet direction can be adjusted at multiple angles, and different use requirements can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation ducts, and in particular relates to an air outlet of a ventilation duct. Background Art

[0002] Ventilation duct is the abbreviation of ventilation pipe, which is a metal or non-metallic pipe used in ventilation and air-conditioning engineering of industrial and civil buildings. Ventilation duct is a kind of municipal infrastructure for air circulation and reducing the concentration of harmful gases. The air outlet of ventilation duct is an important part of ventilation duct, which is fixed on the ventilation duct to realize ventilation function.

[0003] Currently, most ventilation ducts are only capable of discharging air in one direction.

[0004] It was retrieved that in the prior art, a Chinese utility model patent with authorization announcement number CN220816906U discloses "a ventilation duct with a telescopic structure", including a first ventilation duct and a second ventilation duct, a bellows is installed between the first ventilation duct and the second ventilation duct, and air outlets are opened at the top and bottom of the first ventilation duct, and the inner wall of the air outlet is hinged with a movable plate; it also includes: the second ventilation duct forms a telescopic structure with the first ventilation duct through the bellows, and both ends of the first ventilation duct and the second ventilation duct are connected by a movable rod, and the outer side of the first ventilation duct is provided with a gear ring to realize diversion ventilation of the ventilation duct and improve the ventilation efficiency of the ventilation duct.

[0005] Although the ventilation ducts in the prior art including those mentioned above can realize ventilation in multiple directions by diversion, they cannot adjust the ventilation direction according to actual usage requirements and can only be adjusted by adding elbows at a later stage, which has great limitations in use.

[0006] In order to solve the above problems, the present application proposes an air outlet for a ventilation duct. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides an air outlet for a ventilation duct, which has the characteristics of being easy to use, easy to adjust and having a wide range of applications.

[0008] To achieve the above object, the utility model provides the following technical solution: an air outlet of a ventilation duct, comprising an air outlet body, and further comprising:

[0009] A bellows, the bellows being rotatably connected to a port of the air outlet body;

[0010] A driving mechanism, the driving mechanism being drivably connected to the bellows and used for driving the bellows to rotate;

[0011] An adjustment mechanism is drivably connected to the bellows and is used to adjust a bending angle of the bellows.

[0012] As a preferred technical solution of the utility model, the driving mechanism includes:

[0013] A motor frame, the motor frame being fixed to the outer wall of the air outlet body;

[0014] A first driving motor, wherein the first driving motor is fixed on the motor frame;

[0015] A first driving gear, the first driving gear being fixed on the output shaft of the first driving motor;

[0016] An outer gear ring is fixed on the bellows and meshes with the first driving gear.

[0017] As a preferred technical solution of the utility model, a No. 1 fixed flange and a No. 2 fixed flange are respectively fixed to both ends of the corrugated pipe, and the No. 2 fixed flange is hinged to the No. 1 fixed flange.

[0018] As a preferred technical solution of the utility model, the adjustment mechanism includes:

[0019] An arc-shaped rack, wherein the arc-shaped rack is fixed to the first fixing flange, and the second fixing flange has a mounting hole for the arc-shaped rack to pass through;

[0020] A second drive motor, the second drive motor is fixed in the mounting hole;

[0021] A second driving gear is fixed on the output shaft of the second driving motor and meshes with the arc-shaped rack.

[0022] As a preferred technical solution of the utility model, it also includes:

[0023] A connecting block, the connecting block being fixed on the first fixing flange;

[0024] Mounting ears with holes, two mounting ears with holes are symmetrically fixed on the second fixing flange;

[0025] A mounting shaft is fixed on the connecting block and passes through the mounting ear with a hole to form a rotating structure.

[0026] As a preferred technical solution of the utility model, the bellows is sleeved on the air outlet body to form a rotating structure, and the outer wall of the air outlet body is tightly fitted to the inner wall of the bellows.

[0027] As a preferred technical solution of the utility model, it also includes:

[0028] A ball bearing has a first rolling groove on the outer wall of the air outlet body and a second rolling groove on the inner wall of the corrugated tube, and the ball bearing is located on the inner side of the first rolling groove and the second rolling groove.

[0029] As a preferred technical solution of the utility model, it also includes:

[0030] A rubber sealing ring is provided with a No. 1 sealing groove on the outer wall of the air outlet body, and a No. 2 sealing groove is provided on the inner wall of the corrugated tube, and the rubber sealing ring is located on the inner side of the No. 1 sealing groove and the No. 2 sealing groove.

[0031] Compared with the prior art, the beneficial effects of the utility model are:

[0032] In the utility model, the bellows is arranged, the driving mechanism can be used to drive the bellows to rotate, the adjusting mechanism can be used to adjust the bending angle of the bellows, and the air outlet direction can be adjusted at multiple angles to meet different usage needs.

[0033] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0035] Figure 1 It is a schematic diagram of the structure of the utility model;

[0036] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of the driving mechanism in FIG.

[0037] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of the adjustment mechanism;

[0038] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0039] Figure 5 For this utility model Figure 4 A in the figure is an enlarged structural diagram.

[0040] In the figure: 1. Air outlet body; 11. Rolling groove No. 1; 12. Sealing groove No. 1; 2. Bellows; 21. Fixed flange No. 1; 211. Connecting block; 22. Fixed flange No. 2; 221. Mounting ear with hole; 222. Mounting hole; 23. Rolling groove No. 2; 24. Sealing groove No. 2; 3. Driving mechanism; 31. Motor frame; 32. Driving motor No. 1; 33. Driving gear No. 1; 34. Outer gear ring; 4. Adjusting mechanism; 41. Arc-shaped rack; 42. Driving motor No. 2; 43. Driving gear No. 2; 5. Mounting shaft; 6. Ball bearing; 7. Rubber sealing ring. DETAILED DESCRIPTION

[0041] 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.

[0042] See also Figure 1-Figure 5 The utility model provides the following technical solution: an air outlet of a ventilation duct, comprising an air outlet body 1, and also comprising: a bellows 2, a driving mechanism 3 and an adjusting mechanism 4.

[0043] Further, by Figure 1 As shown, in the present embodiment, the bellows 2 is rotatably connected to the port of the air outlet body 1, the driving mechanism 3 is drivably connected to the bellows 2 for driving the bellows 2 to rotate, and the adjusting mechanism 4 is drivably connected to the bellows 2 for adjusting the bending angle of the bellows 2. After adopting the above scheme, the utility model can drive the bellows 2 to rotate by utilizing the driving mechanism 3, and can adjust the bending angle of the bellows 2 by utilizing the adjusting mechanism 4, and can adjust the air outlet direction at multiple angles to meet different usage needs.

[0044] It should be noted that, since the air outlet direction can be adjusted at multiple angles through the driving mechanism 3 and the adjusting mechanism 4, this design can also be used at the position where the ventilation duct needs to be turned, that is, the air outlet main body 1 and the bellows 2 are respectively connected to two different ventilation ducts, so that the ventilation duct can be turned. In the prior art, elbows are mostly used for switching. Although general switching requirements can be met, the switching angle cannot be adjusted. The utility model adopts the bellows 2, the driving mechanism 3 and the adjusting mechanism 4 to adjust the switching angle to meet different safety requirements.

[0045] Optionally, by Figure 1 and Figure 2As shown, in this embodiment, the driving mechanism 3 includes: a motor frame 31, a No. 1 driving motor 32, a No. 1 driving gear 33 and an outer gear ring 34. The motor frame 31 is fixed to the outer wall of the air outlet body 1, the No. 1 driving motor 32 is fixed to the motor frame 31, the No. 1 driving gear 33 is fixed to the output shaft of the No. 1 driving motor 32, and the outer gear ring 34 is fixed to the bellows 2 and meshes with the No. 1 driving gear 33. After adopting the above scheme, the No. 1 driving motor 32 is started to drive the No. 1 driving gear 33 to rotate, and the No. 1 driving gear 33 drives the outer gear ring 34 to rotate under the meshing action, so that the bellows 2 rotates relative to the air outlet body 1.

[0046] Optionally, by Figure 1 As shown, in this embodiment, a No. 1 fixed flange 21 and a No. 2 fixed flange 22 are respectively fixed at both ends of the bellows 2, and the No. 2 fixed flange 22 is hinged to the No. 1 fixed flange 21. When the No. 1 fixed flange 21 and the No. 2 fixed flange 22 are flipped relative to each other, the bending angle of the bellows 2 can be adjusted.

[0047] Optionally, by Figure 1 and Figure 3 As shown, in this embodiment, the adjustment mechanism 4 includes: an arc-shaped rack 41, a No. 2 driving motor 42 and a No. 2 driving gear 43. The arc-shaped rack 41 is fixed to the No. 1 fixed flange 21, and the No. 2 fixed flange 22 has a mounting hole 222 for the arc-shaped rack 41 to pass through. The No. 2 driving motor 42 is fixed in the mounting hole 222. The No. 2 driving gear 43 is fixed on the output shaft of the No. 2 driving motor 42 and meshes with the arc-shaped rack 41. After adopting the above scheme, the No. 2 driving motor 42 is started to drive the No. 2 driving gear 43 to rotate. The No. 2 driving gear 43 moves along the arc-shaped rack 41 under the meshing action, and at the same time drives the No. 2 fixed flange 22 to flip relative to the No. 1 fixed flange 21 to adjust the bending angle of the corrugated tube 2.

[0048] Optionally, by Figure 1 As shown, in this embodiment, it also includes: a connecting block 211, a mounting ear 221 with a hole and a mounting shaft 5. The connecting block 211 is fixed on the No. 1 fixed flange 21, and the two mounting ears 221 with a hole are symmetrically fixed on the No. 2 fixed flange 22. The mounting shaft 5 is fixed on the connecting block 211 and passes through the mounting ears 221 with a hole, so as to form a rotating structure, thereby realizing the rotational connection between the No. 1 fixed flange 21 and the No. 2 fixed flange 22.

[0049] Optionally, by Figure 1 , Figure 4 and Figure 5 As shown, in this embodiment, the bellows 2 is sleeved on the air outlet body 1 to form a rotating structure, and the outer wall of the air outlet body 1 is tightly fitted to the inner wall of the bellows 2, thereby realizing the rotating installation of the bellows 2.

[0050] Preferably, by Figure 1 , Figure 4 and Figure 5 As shown, the present embodiment also includes: a ball 6, a No. 1 rolling groove 11 is provided on the outer wall of the air outlet body 1, a No. 2 rolling groove 23 is provided on the inner wall of the bellows 2, and the ball 6 is located on the inner side of the No. 1 rolling groove 11 and the No. 2 rolling groove 23. By setting the ball 6, the stability of the installation of the bellows 2 can be improved and the sliding friction can be reduced.

[0051] Preferably, by Figure 1 , Figure 4 and Figure 5 As shown, in this embodiment, it also includes: a rubber sealing ring 7, a No. 1 sealing groove 12 is provided on the outer wall of the air outlet body 1, a No. 2 sealing groove 24 is provided on the inner wall of the bellows 2, and the rubber sealing ring 7 is located on the inner side of the No. 1 sealing groove 12 and the No. 2 sealing groove 24. By setting the rubber sealing ring 7, the sealing performance of the connection between the bellows 2 and the air outlet body 1 can be further improved.

[0052] It should be noted that the No. 1 drive motor 32 and the No. 2 drive motor 42 are both conventional commercially available devices with built-in power switches. Technical personnel in this field can make routine selections according to usage requirements. Their working principles are common knowledge known to technical personnel in this field and have been fully disclosed by the prior art, so they will not be elaborated in this article.

[0053] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0054] Components not described in detail herein are prior art.

[0055] Working principle and use process of the utility model: The air outlet body 1 of the utility model starts the No. 1 driving motor 32 to drive the No. 1 driving gear 33 to rotate through the provided bellows 2, driving mechanism 3 and adjustment mechanism 4, and the No. 1 driving gear 33 drives the outer gear ring 34 to rotate under the meshing action, so that the bellows 2 rotates relative to the air outlet body 1;

[0056] The second driving motor 42 is started to drive the second driving gear 43 to rotate. The second driving gear 43 moves along the arc-shaped rack 41 under meshing action, and at the same time drives the second fixing flange 22 to flip relative to the first fixing flange 21 to adjust the bending angle of the corrugated tube 2;

[0057] The utility model can adjust the air outlet direction at multiple angles to meet different usage needs. This design can also be used at positions where the ventilation duct needs to be turned to meet different safety requirements.

[0058] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An air outlet of a ventilation duct, comprising an air outlet body (1), characterized in that: Also includes: A bellows (2), the bellows (2) being rotatably connected to a port of the air outlet body (1); A driving mechanism (3), the driving mechanism (3) being drivably connected to the bellows (2) and used for driving the bellows (2) to rotate; An adjustment mechanism (4), the adjustment mechanism (4) being drivably connected to the corrugated tube (2) and being used for adjusting the bending angle of the corrugated tube (2).

2. The air outlet of a ventilation duct according to claim 1, characterized in that: The driving mechanism (3) comprises: A motor frame (31), the motor frame (31) being fixed to the outer wall of the air outlet body (1); A first driving motor (32), the first driving motor (32) being fixed on the motor frame (31); A first driving gear (33), the first driving gear (33) being fixed on the output shaft of the first driving motor (32); An outer gear ring (34), wherein the outer gear ring (34) is fixed on the bellows (2) and meshes with the first driving gear (33).

3. The air outlet of a ventilation duct according to claim 1, characterized in that: A first fixing flange (21) and a second fixing flange (22) are respectively fixed at both ends of the corrugated pipe (2), and the second fixing flange (22) is hinged to the first fixing flange (21).

4. The air outlet of a ventilation duct according to claim 3, characterized in that: The adjustment mechanism (4) comprises: An arc-shaped rack (41), wherein the arc-shaped rack (41) is fixed to the first fixing flange (21), and the second fixing flange (22) has a mounting hole (222) for the arc-shaped rack (41) to pass through; A second drive motor (42), the second drive motor (42) being fixed in the mounting hole (222); A second driving gear (43), the second driving gear (43) is fixed on the output shaft of the second driving motor (42) and meshes with the arc-shaped rack (41).

5. The air outlet of the ventilation duct according to claim 4, characterized in that: Also includes: A connecting block (211), wherein the connecting block (211) is fixed on the first fixing flange (21); A mounting ear (221) with a hole, wherein two mounting ears (221) with a hole are symmetrically fixed on the second fixing flange (22); A mounting shaft (5) is fixed on the connecting block (211) and passes through the mounting ear (221) with a hole, so as to form a rotating structure.

6. The air outlet of a ventilation duct according to claim 1, characterized in that: The bellows (2) is sleeved on the air outlet body (1) to form a rotating structure, and the outer wall of the air outlet body (1) is tightly fitted to the inner wall of the bellows (2).

7. The air outlet of a ventilation duct according to claim 1, characterized in that: Also includes: A ball (6) has a first rolling groove (11) on the outer wall of the air outlet body (1), and a second rolling groove (23) on the inner wall of the corrugated tube (2), and the ball (6) is located on the inner side of the first rolling groove (11) and the second rolling groove (23).

8. The air outlet of a ventilation duct according to claim 1, characterized in that: Also includes: A rubber sealing ring (7) is provided with a first sealing groove (12) on the outer wall of the air outlet body (1), and a second sealing groove (24) is provided on the inner wall of the bellows (2), wherein the rubber sealing ring (7) is located on the inner side of the first sealing groove (12) and the second sealing groove (24).

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