Ventilation device with adjustable ventilation quantity

Abstract

The utility model provides a ventilation device with adjustable ventilation quantity, which belongs to the technical field of ventilation devices, and comprises a ventilation device, the upper end of the ventilation device is fixedly connected with two cushion blocks, the upper ends of the cushion blocks are fixedly connected with a stepping motor, the output end of the stepping motor is rotatably connected with a screw rod, and the screw rod is fixedly connected with the cushion blocks. A lead screw nut is arranged at the upper end of the lead screw, and in the process that the stepping motor works to drive the lead screw, the inner circumferential surface of the bearing is used for supporting one end of the lead screw, so that the smoothness of the lead screw during rotation is guaranteed, and the friction force of the stepping motor during operation is reduced; and the ventilation quantity in the ventilation device can be effectively and conveniently changed through driving of the lead screw nut, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation devices, and in particular relates to a ventilation device with adjustable ventilation volume. Background Art

[0002] Ventilation, also known as air exchange, is the use of mechanical or natural methods to deliver sufficient fresh air into the indoor space, while expelling the dirty air that does not meet the hygienic requirements of the room, so that the indoor air meets the hygienic requirements and the needs of the production process. The various facilities that complete the ventilation work in the building are collectively called ventilation equipment.

[0003] The authorization publication number "CN216522191U" records that "the utility model discloses a ventilation device with adjustable ventilation volume, including a mounting sleeve and a positioning bolt, a positioning bolt is installed through the edge of the mounting sleeve, an adjusting threaded rod is installed on the outer wall of the mounting sleeve through a bearing seat, a ventilation groove is opened on the inner side of the end of the movable ventilation pipe, and a second ventilation window is opened on the vertical surface of the end of the movable ventilation pipe, and a middle threaded rod is installed through the center of the vertical surface of the end of the movable ventilation pipe, and a blocking mechanism is fixedly installed at the end of the middle threaded rod, and the blocking mechanism is arranged at the inner end of the ventilation groove. The ventilation device with adjustable ventilation volume adopts a new structural design, and adopts two different adjustment structures to cooperate with each other to adjust the ventilation volume. The adjustment structure not only has high structural strength and can be used repeatedly stably without frequent cleaning and maintenance, but also has different ventilation positions, which can meet the different needs of different users, thereby improving the overall applicability of the device."

[0004] The above-mentioned device rotates the middle threaded rod, and the middle threaded rod rotates into the ventilation slot with the blocking plate and the edge rubber sealing ring. The blocking plate no longer blocks the second ventilation window, and the edge rubber sealing ring no longer blocks the end of the inner wall of the ventilation slot and the blocking plate. Air can circulate through the second ventilation window and the gap between the end of the inner wall of the ventilation slot and the edge rubber sealing ring, thereby achieving different ventilation volumes. However, the above-mentioned patent requires manual operation to open the ventilation device, which is not only very inconvenient and brings hidden dangers, but also increases the labor intensity of the staff, thereby resulting in low ventilation efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a ventilation device with adjustable ventilation volume, aiming to solve the problem that the above-mentioned patent in the prior art requires manual operation to open the ventilation device, which is not only very inconvenient and brings hidden dangers, but also increases the labor intensity of the staff, thereby leading to low ventilation efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A ventilation device with adjustable ventilation volume, comprising:

[0008] A ventilation device, wherein the upper end of the ventilation device is fixedly connected with two pads, the upper end of the pad is fixedly connected with a stepper motor, the output end of the stepper motor is rotatably connected with a lead screw, the upper end of the lead screw is provided with a lead screw nut, the lead screw nut is threadedly connected to the surface of the lead screw, the lower end of the lead screw nut is fixedly connected with a movable groove, one end of the movable groove is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a baffle, the upper end of one of the pads is fixedly connected with a support block, a rotating groove is provided in the support block, a plurality of stabilizing blocks are fixedly connected with the inner circumferential surface of the rotating groove, one end of the plurality of stabilizing blocks is fixedly connected with a bearing, and the other end of the lead screw is fixedly connected to one end of the bearing.

[0009] As a preferred solution of the utility model, a rainproof shell is fixedly connected to the upper end of the ventilation device, a placement groove is opened in the rainproof shell, and a plurality of inverted holes are opened on both sides of the rainproof shell.

[0010] As a preferred solution of the utility model, a partition is fixedly connected to one end of the ventilation device, and a plurality of heat dissipation holes are opened at one end of the partition.

[0011] As a preferred solution of the utility model, one end of the ventilation device is fixedly connected to a connecting block, one end of the connecting block is provided with a connecting groove, a rotating rod is provided in the connecting groove, both ends of the connecting block are fixedly connected to connecting plates, and two mounting holes are provided on the surface of the connecting plate.

[0012] As a preferred solution of the utility model, the lower end of the screw nut is fixedly connected with a shaft sleeve.

[0013] As a preferred solution of the utility model, a fixing ring is fixedly connected to the surface of the support block, a telescopic rod is fixedly connected to the surface of the fixing ring, a buffer ring is fixedly connected to one end of the fixing ring, and a spring is fixedly connected to the other end of the buffer ring.

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

[0015] 1. In this scheme, when the stepper motor drives the screw, the inner circumferential surface of the bearing is used to support one end of the screw, thereby ensuring the smoothness of the screw during rotation and reducing the friction during the operation of the stepper motor. The screw nut threaded on the surface of the screw drives the baffle to move. The drive of the screw nut can effectively and conveniently change the ventilation volume inside the ventilation device, thereby improving the use efficiency of the device.

[0016] 2. In this solution, the sleeve is used to protect the surface of the screw nut, reduce surface wear and damage caused by contact and friction, and when the screw nut is working, the sleeve can reduce the friction between the screw and the screw to further reduce the noise, while also reducing the energy consumption of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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:

[0018] Figure 1 It is the main stereoscopic view in the utility model;

[0019] Figure 2 It is the first main cutaway stereogram in the utility model;

[0020] Figure 3 For the utility model Figure 2 A partial enlarged view of the center:

[0021] Figure 4 It is a side cutaway stereogram of the present invention.

[0022] In the figure: 1. ventilation device; 2. cushion block; 3. stepper motor; 4. lead screw; 5. lead screw nut; 6. movable groove; 7. connecting rod; 8. baffle; 9. support block; 10. rotating groove; 11. stabilizing block; 12. bearing; 13. rainproof shell; 14. placement groove; 15. partition; 16. heat dissipation hole; 17. connecting block; 18. connecting groove; 19. rotating rod; 20. connecting plate; 21. mounting hole; 22. fixing ring; 23. telescopic rod; 24. spring; 25. inverted hole; 26. bushing; 27. buffer ring. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] See also Figure 1-3 , the utility model provides the following technical solutions:

[0026] A ventilation device with adjustable ventilation volume, comprising:

[0027] A ventilation device 1, wherein two pads 2 are fixedly connected to the upper end of the ventilation device 1, a stepper motor 3 is fixedly connected to the upper end of the pad 2, a screw rod 4 is rotatably connected to the output end of the stepper motor 3, a screw nut 5 is provided at the upper end of the screw rod 4, the screw nut 5 is threadedly connected to the surface of the screw rod 4, a movable groove 6 is fixedly connected to the lower end of the screw nut 5, a connecting rod 7 is fixedly connected to one end of the movable groove 6, a baffle 8 is fixedly connected to the lower end of the connecting rod 7, a support block 9 is fixedly connected to the upper end of one of the pads 2, a rotating groove 10 is provided in the support block 9, a plurality of stabilizing blocks 11 are fixedly connected to the inner circumferential surface of the rotating groove 10, a bearing 12 is fixedly connected to one end of the plurality of stabilizing blocks 11, and the other end of the screw rod 4 is fixedly connected to one end of the bearing 12.

[0028] In a specific embodiment of the utility model, when using the device, one end of the screw rod 4 is connected to the inside of the bearing 12, and the screw rod 4 is driven to rotate inside the bearing 12 by the stepper motor 3, which can increase the smoothness during operation and reduce friction. At this time, the baffle 8 fixedly connected to the lower end of the screw nut 5 moves toward the other end of the ventilation device 1 under the drive of the stepper motor 3. The movement of the baffle 8 can effectively and conveniently change the ventilation volume inside the ventilation device 1, and the above-mentioned device is provided with multiple groups in actual use, thereby avoiding the staff from manually adjusting the ventilation volume of the device.

[0029] For details, please refer to Figure 2 The upper end of the ventilation device 1 is fixedly connected with a rainproof shell 13, a placement groove 14 is opened in the rainproof shell 13, and a plurality of inverted holes 25 are opened on both sides of the rainproof shell 13.

[0030] In the present embodiment: a plurality of inverted holes 25 are provided at both ends of the rainproof shell 13, which can not only prevent rainwater from entering the interior of the placement groove 14 and causing a short circuit in the stepper motor 3, but also form air convection through the inverted holes 25 at both ends to dissipate heat for the stepper motor 3 in the working state, further preventing the stepper motor 3 from overheating during long-term operation, thereby causing damage or burning of various components, and increasing the service life of the device.

[0031] For details, please refer to Figure 2 A partition plate 15 is fixedly connected to one end of the ventilation device 1 , and a plurality of heat dissipation holes 16 are opened at one end of the partition plate 15 .

[0032] In this embodiment: a partition 15 is provided on the surface of the ventilation device 1, and a plurality of heat dissipation holes 16 are provided on the surface of the partition 15. These heat dissipation holes 16 effectively prevent dust and debris in the air from entering the interior of the ventilation device 1, thereby preventing debris from adhering to the internal components, affecting and weakening the functions of the components, thereby reducing the use effect and life of each component.

[0033] For details, please refer to Figure 3One end of the ventilation device 1 is fixedly connected to a connecting block 17, one end of the connecting block 17 is provided with a connecting groove 18, a rotating rod 19 is provided in the connecting groove 18, both ends of the connecting block 17 are fixedly connected to a connecting plate 20, and the surface of the connecting plate 20 is provided with two mounting holes 21.

[0034] In this embodiment: the rotating rod 19 is arranged inside the connecting groove 18, and the two ends of the rotating rod 19 are connected by the two ends of the connecting plate 20 to prevent it from falling. Then the rotating rod 19 can be rotated according to the needs of the staff, and the two mounting holes 21 on the surface of the connecting plate 20 are used to facilitate the workers to install it.

[0035] For details, please refer to Figure 1 The lower end of the screw nut 5 is fixedly connected with a shaft sleeve 26.

[0036] In this embodiment: the sleeve 26 is used to protect the surface of the screw nut 5, reduce the surface wear and damage caused by contact and friction, and when the screw nut 5 is working, the sleeve 26 can reduce the friction between the screw 4 and further reduce the noise generation, while also reducing the energy consumption of the stepper motor 3.

[0037] For details, please refer to Figure 1 A fixing ring 22 is fixedly connected to the surface of the support block 9, a telescopic rod 23 is fixedly connected to the surface of the fixing ring 22, a buffer ring 27 is fixedly connected to one end of the fixing ring 22, and a spring 24 is fixedly connected to the other end of the buffer ring 27.

[0038] In this embodiment: when the screw nut 5 moves, the buffer ring 27 arranged at one end of the telescopic rod 23 receives the impact brought by the screw 4 to protect the internal components from damage caused by the impact, and then the pressure on the buffer ring 27 is buffered through the cooperation of the spring 24 and the telescopic rod 23, thereby consuming a large amount of kinetic energy and protecting the service life of the device.

[0039] The working principle and use process of the utility model are as follows: the stepper motor 3 drives the screw rod 4 to rotate, and the screw rod 4 rotates inside the bearing 12 to reduce friction. The rotation of the screw rod 4 drives the baffle 8 fixedly connected to the lower end of the screw nut 5 to move, thereby facilitating workers to adjust the ventilation volume inside the ventilation device 1 according to different weather.

[0040] 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. A ventilation device with adjustable ventilation volume, characterized in that: include: A ventilation device (1), wherein the upper end of the ventilation device (1) is fixedly connected to two cushion blocks (2), the upper end of the cushion block (2) is fixedly connected to a stepping motor (3), the output end of the stepping motor (3) is rotatably connected to a screw rod (4), the upper end of the screw rod (4) is provided with a screw rod nut (5), the screw rod nut (5) is threadedly connected to the surface of the screw rod (4), the lower end of the screw rod nut (5) is fixedly connected to a movable groove (6), one end of the movable groove (6) is fixedly A connecting rod (7) is fixedly connected, and a baffle (8) is fixedly connected to the lower end of the connecting rod (7); the upper end of one of the cushion blocks (2) is fixedly connected to a support block (9); a rotation groove (10) is provided in the support block (9); a plurality of stabilizing blocks (11) are fixedly connected to the inner circumferential surface of the rotation groove (10); one end of the plurality of stabilizing blocks (11) is fixedly connected to a bearing (12); and the other end of the screw rod (4) is fixedly connected to one end of the bearing (12).

2. A ventilation device with adjustable ventilation volume according to claim 1, characterized in that: The upper end of the ventilation device (1) is fixedly connected to a rainproof shell (13), a placement groove (14) is provided in the rainproof shell (13), and a plurality of inverted holes (25) are provided on both sides of the rainproof shell (13).

3. A ventilation device with adjustable ventilation volume according to claim 2, characterized in that: One end of the ventilation device (1) is fixedly connected to a partition plate (15), and one end of the partition plate (15) is provided with a plurality of heat dissipation holes (16).

4. A ventilation device with adjustable ventilation volume according to claim 3, characterized in that: One end of the ventilation device (1) is fixedly connected to a connection block (17), one end of the connection block (17) is provided with a connection groove (18), a rotating rod (19) is arranged in the connection groove (18), and both ends of the connection block (17) are fixedly connected to a connection plate (20), and the surface of the connection plate (20) is provided with two mounting holes (21).

5. A ventilation device with adjustable ventilation volume according to claim 4, characterized in that: The lower end of the screw nut (5) is fixedly connected to a shaft sleeve (26).

6. A ventilation device with adjustable ventilation volume according to claim 5, characterized in that: A fixing ring (22) is fixedly connected to the surface of the support block (9), a telescopic rod (23) is fixedly connected to the surface of the fixing ring (22), a buffer ring (27) is fixedly connected to one end of the fixing ring (22), and a spring (24) is fixedly connected to the other end of the buffer ring (27).

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