Ventilation device for integrated room based on rail transit

By designing multi-angle rotating fan blades and an automatic opening and closing inlet and outlet structure, the low ventilation efficiency and dust entry problems of rail transit ventilation devices are solved, and efficient ventilation and environmental protection effects are achieved.

CN223237630UActive Publication Date: 2025-08-19WUXI HONGLI COMPLETE ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202422201086.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-08-19
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

The existing rail transit ventilation devices lack multi-angle ventilation function, resulting in low ventilation efficiency, and inconvenient opening and closing of the inlet and outlet, making it easy to enter dust when the ventilation is stopped.

Method used

A structure including the device housing, a fixed bracket, a drive motor, a drive shaft, a driving gear, a driven shaft, a fan blade and a movable ring gear is designed to realize multi-angle rotation of the fan blade, and the automatic opening and sealing of the inlet and outlet is realized through the linkage of the movable baffle, a movable shaft, a cylindrical gear, a fixed guide rail, a stepper motor, a movable screw and a rack.

Benefits of technology

It improves ventilation speed and efficiency, prevents dust from entering, and improves environmental protection effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated indoor ventilation device based on rail transit, which comprises a device shell, the inner wall of the device shell is fixedly connected with a fixed support, the bottom of the fixed support is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a driving shaft through a coupler, and the driving shaft is fixedly connected with a motor. A driving gear is fixedly connected to the outer wall of the driving shaft, a driven shaft is movably connected to the bottom of the fixing support, fan blades are fixedly connected to the outer wall of the driven shaft, and a movable gear ring is fixedly connected to the outer walls of the fan blades. The problem that the ventilation speed is low is solved, then the working requirements of people are met, meanwhile, an inlet and an outlet can be automatically opened conveniently, the situation that dust easily enters when ventilation is stopped is solved, and then the environment-friendly effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical direction of rail transportation, and specifically relates to a ventilation device for an integrated room based on rail transportation. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. When rail transit vehicles are in operation, they need to be ventilated through ventilation devices. With the continuous development of technology, there are more and more types of ventilation devices.

[0003] Existing ventilation devices do not have the function of multi-angle ventilation when in use, which reduces the ventilation efficiency. In addition, it is not convenient to automatically open and close the inlet and outlet, which makes it easy for dust to enter when ventilation is stopped. This phenomenon has become a problem that needs to be solved urgently by people in this field. Summary of the Invention

[0004] The purpose of the present invention is to propose a ventilation device for rail transit integrated room based on the existing technology to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a ventilation device for an integrated room of rail transit, comprising a device shell, the inner wall of the device shell is fixedly connected to a fixed bracket, the bottom of the fixed bracket is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to the driving shaft through a coupling, the outer wall of the driving shaft is fixedly connected to a driving gear, the bottom of the fixed bracket is movably connected to a driven shaft, the outer wall of the driven shaft is fixedly connected to fan blades, and the outer wall of the fan blades is fixedly connected to a movable gear ring. By providing a device shell, a fixed bracket, a driving motor, a driving shaft, a driving gear, a driven shaft, fan blades and a movable gear ring, it is convenient to drive the fan blades at different angles to rotate at the same time, which is beneficial to improving the ventilation effect, solving the problem of slow ventilation speed, and thus meeting people's work needs.

[0006] The inlet and outlet of the device shell are both provided with movable baffles, the inner wall of the movable baffle is provided with a movable shaft rotatably connected to the device shell, one end of the movable shaft is fixedly connected to a cylindrical gear, the outer wall of the device shell is provided with a fixed guide rail, one end of the fixed guide rail is fixedly connected to a stepping motor, the output shaft of the stepping motor is fixedly connected to a movable screw rod through a coupling, the outer wall of the movable screw rod is movably connected to a movable block, and the outer wall of the movable block is fixedly connected to a rack meshing with the cylindrical gear. By providing the movable baffle, movable shaft, cylindrical gear, fixed guide rail, stepping motor, movable screw rod, movable block and rack, it is convenient to automatically open the inlet and outlet, thereby solving the problem of dust easily entering when ventilation is stopped, thereby improving the environmental protection effect.

[0007] Furthermore, the fixed brackets are distributed in a cross shape, and the driven shaft is rotatably connected to the fixed brackets through bearings, which facilitates the supporting work.

[0008] Furthermore, the driving gear and the movable ring gear are meshed with each other, and the movable ring gear is distributed in an array along the axial center line of the driving gear, which facilitates the driving gear to drive the movable ring gear to rotate.

[0009] Furthermore, a plurality of movable baffles are distributed at equal intervals, and the plurality of movable baffles are closely fitted to each other, which facilitates dust prevention work.

[0010] Furthermore, the movable baffle is rotatably connected to the device housing through a movable shaft, and the movable shaft forms a linkage structure through a cylindrical gear and a rack, which facilitates the sliding of the rack to drive the cylindrical gear to rotate, thereby driving the movable baffle to rotate.

[0011] Furthermore, the fixed guide rail is a "concave"-shaped structure, and the movable block is slidably connected to the fixed guide rail, which facilitates sliding guidance of the movable block through the fixed guide rail.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0013] By providing a device housing, a fixed bracket, a drive motor, a drive shaft, a driving gear, a driven shaft, fan blades and a movable gear ring, it is convenient to drive the fan blades at different angles to rotate simultaneously, thereby improving the ventilation effect, solving the problem of slow ventilation speed, and thus meeting people's work needs;

[0014] By providing a movable baffle, a movable shaft, a cylindrical gear, a fixed guide rail, a stepping motor, a movable screw rod, a movable block and a rack, the automatic opening of the inlet and outlet is facilitated, thereby solving the problem of dust easily entering when ventilation is stopped, thereby improving the environmental protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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:

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

[0017] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a side plan view schematic diagram of the present utility model.

[0019] In the figure: 1. Device housing; 2. Fixed bracket; 3. Drive motor; 4. Drive shaft; 5. Driving gear; 6. Driven shaft; 7. Fan blade; 8. Movable ring gear; 9. Movable baffle; 10. Movable shaft; 11. Cylindrical gear; 12. Fixed guide rail; 13. Stepper motor; 14. Movable screw; 15. Movable block; 16. Rack. DETAILED DESCRIPTION

[0020] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0021] See also Figure 1-3 The utility model provides a technical solution: a ventilation device for an integrated room of rail transit, including a device shell 1, the inner wall of the device shell 1 is fixedly connected to a fixed bracket 2, the bottom of the fixed bracket 2 is fixedly connected to a driving motor 3, the output shaft of the driving motor 3 is fixedly connected to the driving shaft 4 through a coupling, the outer wall of the driving shaft 4 is fixedly connected to a driving gear 5, the bottom of the fixed bracket 2 is movably connected to a driven shaft 6, the outer wall of the driven shaft 6 is fixedly connected to fan blades 7, and the outer wall of the fan blades 7 is fixedly connected to a movable gear ring 8. By providing the device shell 1, fixed bracket 2, driving motor 3, driving shaft 4, driving gear 5, driven shaft 6, fan blades 7 and movable gear ring 8, it is convenient to drive the fan blades 7 of different angles to rotate at the same time, thereby improving the ventilation effect, solving the problem of slow ventilation speed, and thus meeting people's work needs.

[0022] A movable baffle 9 is provided at the inlet and outlet of the device housing 1. The inner wall of the movable baffle 9 is provided with a movable shaft 10 rotatably connected to the device housing 1. One end of the movable shaft 10 is fixedly connected to a cylindrical gear 11. The outer wall of the device housing 1 is provided with a fixed guide rail 12. One end of the fixed guide rail 12 is fixedly connected to a stepping motor 13. The output shaft of the stepping motor 13 is fixedly connected to a movable screw rod 14 through a coupling. The outer wall of the movable screw rod 14 is movably connected to a movable block 15. The outer wall of the movable block 15 is fixedly connected to a rack 16 meshing with the cylindrical gear 11. By providing the movable baffle 9, the movable shaft 10, the cylindrical gear 11, the fixed guide rail 12, the stepping motor 13, the movable screw rod 14, the movable block 15 and the rack 16, it is convenient to automatically open the inlet and outlet, thereby solving the problem of dust easily entering when ventilation is stopped, thereby improving the environmental protection effect.

[0023] Furthermore, the fixed bracket 2 is distributed in a "cross" shape, and the driven shaft 6 is rotatably connected to the fixed bracket 2 through a bearing, which facilitates the supporting work.

[0024] Furthermore, the driving gear 5 and the movable ring gear 8 are meshed with each other, and the movable ring gear 8 is distributed in an array along the axial center line of the driving gear 5, which facilitates the driving gear 5 to drive the movable ring gear 8 to rotate.

[0025] Furthermore, a number of movable baffles 9 are distributed at equal intervals, and the movable baffles 9 are closely fitted to each other, which facilitates dust prevention work.

[0026] Furthermore, the movable baffle 9 is rotatably connected to the device housing 1 through a movable shaft 10, and the movable shaft 10 forms a linkage structure with the rack 16 through the cylindrical gear 11, which facilitates the sliding of the rack 16 to drive the cylindrical gear 11 to rotate, thereby driving the movable baffle 9 to rotate.

[0027] Furthermore, the fixed guide rail 12 is a “concave” shaped structure, and the movable block 15 is slidably connected to the fixed guide rail 12 , which facilitates the sliding guidance of the movable block 15 through the fixed guide rail 12 .

[0028] When in use, first start the stepper motor 13, so that the stepper motor 13 drives the movable screw 14 to rotate, so that the movable screw 14 drives the movable block 15 to slide under the guidance of the fixed guide rail 12, so that the movable block 15 drives the rack 16 to slide, so that the rack 16 drives several cylindrical gears 11 to rotate, so that the cylindrical gear 11 drives several movable baffles 9 to rotate through the movable shaft 10, and then the movable baffles 9 are opened to form a ventilation channel, then the drive motor 3 is started, so that the drive motor 3 drives the drive shaft 4 to rotate, so that the drive shaft 4 drives the active gear 5 to rotate, so that the active gear 5 drives the movable ring gear 8 distributed at equal angles to rotate, and then the movable ring gear 8 drives the fan blades 7 to rotate to realize multi-angle ventilation, effectively improving the ventilation efficiency and solving the problem of slow ventilation speed. When the ventilation is stopped, the stepper motor 13 is controlled to run in reverse after starting, so that the rack 16 drives the movable baffle 9 to rotate in the opposite direction through the cylindrical gear 11 to realize the sealing of the inlet and outlet, thereby preventing dust from easily entering when it is not in use.

[0029] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only used to facilitate the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0030] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A ventilation device for rail transit integrated room, comprising a device housing (1), characterized in that: The inner wall of the device housing (1) is fixedly connected to a fixed bracket (2), the bottom of the fixed bracket (2) is fixedly connected to a driving motor (3), the output shaft of the driving motor (3) is fixedly connected to a driving shaft (4) via a coupling, the outer wall of the driving shaft (4) is fixedly connected to a driving gear (5), the bottom of the fixed bracket (2) is movably connected to a driven shaft (6), the outer wall of the driven shaft (6) is fixedly connected to a fan blade (7), and the outer wall of the fan blade (7) is fixedly connected to a movable gear ring (8); A movable baffle (9) is provided at both the inlet and the outlet of the device housing (1); the inner wall of the movable baffle (9) is provided with a movable shaft (10) rotatably connected to the device housing (1); one end of the movable shaft (10) is fixedly connected to a cylindrical gear (11); the outer wall of the device housing (1) is provided with a fixed guide rail (12); one end of the fixed guide rail (12) is fixedly connected to a stepping motor (13); the output shaft of the stepping motor (13) is fixedly connected to a movable screw rod (14) via a coupling; the outer wall of the movable screw rod (14) is movably connected to a movable block (15); the outer wall of the movable block (15) is fixedly connected to a rack (16) meshing with the cylindrical gear (11).

2. The ventilation device for rail transit integrated room according to claim 1, characterized in that: The fixed brackets (2) are distributed in a cross shape, and the driven shaft (6) is rotationally connected to the fixed brackets (2) via a bearing.

3. The ventilation device for rail transit integrated room according to claim 1, characterized in that: The driving gear (5) and the movable gear ring (8) are meshed with each other, and the movable gear ring (8) is distributed in an array along the axial center line of the driving gear (5).

4. The ventilation device for rail transit integrated room according to claim 1, characterized in that: A plurality of movable baffles (9) are distributed at equal intervals, and the plurality of movable baffles (9) are tightly fitted to each other.

5. The ventilation device for rail transit integrated room according to claim 1, characterized in that: The movable baffle (9) is rotationally connected to the device housing (1) via a movable shaft (10), and the movable shaft (10) forms a linkage structure with the rack (16) via a cylindrical gear (11).

6. The ventilation device for rail transit integrated room according to claim 1, characterized in that: The fixed guide rail (12) is a concave-shaped structure, and the movable block (15) is slidably connected to the fixed guide rail (12).