Carriage for rail transit

Abstract

The utility model relates to the technical field of rail transit, in particular to a carriage for rail transit, which comprises a carriage body, the outer wall of the carriage body is provided with a ventilation mechanism, and the top of the carriage body and two sides of the ventilation mechanism are respectively provided with an anti-drag plate; the air exchange mechanism comprises an air exchange box fixedly connected to the top of the compartment body, an air inlet cover is fixedly connected to the top of the air exchange box, air inlet grooves are formed in the top, the front face and the back face of the air inlet cover, and dustproof nets are fixedly connected into the air inlet grooves; a connecting frame is slidably connected to the position, under the air inlet cover, of the interior of the ventilation box, and a moisture absorption plate is fixedly connected to the interior of the connecting frame. The compartment for rail transit is designed, air entering the compartment body is purified through the ventilation mechanism in the device, and the problem that when an existing compartment for rail transit runs, the compartment is not prone to falling off is solved. The problem that the air quality in a compartment is poor due to the fact that air entering the compartment cannot be purified is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a rail transportation carriage. Background Art

[0002] Rail transit vehicles are a commonly used equipment in urban transportation, but existing rail transit carriages still have shortcomings. Specifically, existing rail transit carriages are unable to purify the air entering the carriage while traveling, resulting in poor air quality in the carriage.

[0003] Therefore, a rail transit carriage is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a rail transit carriage to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rail transit carriage comprises a carriage body, an outer wall of the carriage body is provided with a ventilation mechanism, and a drag reduction plate is provided on the top of the carriage body and on both sides of the ventilation mechanism;

[0007] The ventilation mechanism includes an air exchange box fixedly connected to the top of the car body, the top of the air exchange box is fixedly connected to an air intake cover, the top, front and back of the air intake cover are all provided with air intake grooves, the inside of the air intake groove is fixedly connected to a dustproof net, the inside of the air exchange box and is slidably connected to a connecting frame directly below the air intake cover, the inside of the connecting frame is fixedly connected to a moisture absorption plate, the inside of the connecting frame is fixedly connected to a deodorizing plate, the inside of the connecting frame and below the moisture absorption plate is fixedly connected to a driving screw, the inside of the air exchange box and is rotatably connected at a position close to the connecting frame, the outer wall of the driving screw is threadedly connected to a sliding nut in the air exchange box, the top and bottom of the sliding nut are fixedly connected to a pushing plate, the outer wall of the pushing plate is rollingly connected to a ball bearing, the outer wall of the ball bearing is rotatably connected to a positioning pin, the outer wall of the positioning pin is fixedly connected to a return spring at a position away from the push plate, and the outer wall of the connecting frame is provided with a positioning groove at the corresponding position of the positioning pin.

[0008] As a preferred solution of the utility model, the drag reduction plate is made of aluminum alloy and has a semicircular structure design.

[0009] As a preferred solution of the utility model, the ventilation box, the air intake cover, the connecting frame and the positioning pin are all made of aluminum alloy. The ventilation box penetrates and extends into the vehicle body. The return spring is connected to the ventilation box by a fixed connection.

[0010] As a preferred solution of the utility model, the desiccant plate is made of a water-absorbing resin and is provided with multiple serpentine grooves. The desiccant plate, deodorizing plate, driving screw and connecting frame are each provided in two groups, and the connecting frame and driving screw both penetrate and extend outside the ventilation box.

[0011] As a preferred solution of the utility model, the push plate is designed as a trapezoidal structure, the driving screw is connected to the ventilation box by a rotational connection, and the deodorizing plate is made of an activated carbon plate.

[0012] As a preferred solution of the utility model, the positioning pins and balls are provided in multiple groups, and the shape of the positioning grooves is matched with the shape of the positioning pins.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a rail transit carriage is designed, and the ventilation mechanism in the device is used to purify the air entering the carriage body. When the carriage body is running, the outside air will flow into the ventilation box along the air intake groove on the top of the air intake cover. When the air flows through the air intake groove, the dustproof net in the air intake groove will remove the dust in the air, and the air with the dust removed will flow downward. The air flowing downward will pass through the moisture absorption plate and the deodorization plate in turn. The moisture absorption plate will absorb the water vapor in the air, and the deodorization plate will absorb the odorous gas in the air. The air after moisture absorption and deodorization will flow into the carriage, which can effectively purify the incoming air, thereby solving the problem that the existing rail transit carriage cannot purify the air entering the carriage when running, resulting in poor air quality in the carriage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a side sectional view of the ventilation box of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0018] In the figure: 1. Carriage body; 2. Ventilation mechanism; 3. Drag reduction plate; 201. Ventilation box; 202. Air intake cover; 203. Air intake slot; 204. Dust screen; 205. Connecting frame; 206. Moisture absorption plate; 207. Deodorization plate; 208. Driving screw; 209. Sliding nut; 210. Pushing plate; 211. Ball bearing; 212. Positioning pin; 213. Return spring; 214. Positioning slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A rail transit carriage comprises a carriage body 1, a ventilation mechanism 2 is arranged on the outer wall of the carriage body 1, and drag reduction plates 3 are arranged on the top of the carriage body 1 and on both sides of the ventilation mechanism 2;

[0025] The drag reduction plate 3 is made of aluminum alloy and has a semicircular structure.

[0026] In this embodiment, reference Figure 2 and Figure 3The ventilation mechanism 2 includes a ventilation box 201 fixedly connected to the top of the vehicle body 1, an air intake cover 202 fixedly connected to the top of the ventilation box 201, an air intake groove 203 is provided on the top, front and back of the air intake cover 202, a dustproof net 204 is fixedly connected inside the air intake groove 203, a connecting frame 205 is slidably connected inside the ventilation box 201 and directly below the air intake cover 202, a moisture absorption plate 206 is fixedly connected inside the connecting frame 205, a deodorizing plate 207 is fixedly connected inside the connecting frame 205 and below the moisture absorption plate 206, and the interior of the ventilation box 201 A driving screw 208 is rotatably connected at a position close to the connection frame 205, a sliding nut 209 is threadedly connected to the outer wall of the driving screw 208 and in the ventilation box 201, a push plate 210 is fixedly connected to the top and bottom of the sliding nut 209, a ball 211 is rollingly connected to the outer wall of the push plate 210, a positioning pin 212 is rotatably connected to the outer wall of the ball 211, a return spring 213 is fixedly connected to the outer wall of the positioning pin 212 and at a position away from the pushing plate 210, and a positioning groove 214 is opened on the outer wall of the connection frame 205 and at a position corresponding to the positioning pin 212;

[0027] The ventilation box 201, the air intake cover 202, the connecting frame 205 and the positioning pin 212 are all made of aluminum alloy. The ventilation box 201 passes through and extends into the car body 1. The return spring 213 is fixedly connected to the ventilation box 201. The moisture absorbing plate 206 is made of water-absorbing resin, and multiple serpentine grooves are provided in the moisture absorbing plate 206. The moisture absorbing plate 206, the deodorizing plate 207, the driving screw 208 and the connecting frame 205 are each provided with two groups. The connecting frame 205 and the driving screw 208 all pass through and extend to the outside of the ventilation box 201. The pushing plate 210 is designed in a trapezoidal structure. The driving screw 208 is connected to the ventilation box 201 in a rotating manner. The deodorizing plate 207 is made of an activated carbon plate. There are multiple groups of positioning pins 212 and ball bearings 211. The shape of the positioning groove 214 matches the shape of the positioning pin 212. The driving screw 208 is rotated. The push plate 210 will be driven to move outward through the sliding nut 209. The push plate 210 moving outward no longer resists the ball 211, and the return spring 213 will push the positioning pin 212 to move inward. The positioning pin 212 moving inward withdraws from the connecting frame 205, and the positioning pin 212 no longer blocks the connecting frame 205. The connecting frame 205 is pulled and taken out of the ventilation box 201. The moisture absorption plate 206 and the deodorizing plate 207 are removed, and new moisture absorption plates 206 and deodorizing plates 207 are installed in the connecting frame 205. The connecting frame 205 and the new moisture absorption plates 206 and deodorizing plates 207 are inserted back into the ventilation box 201, and the driving screw 208 is rotated in the opposite direction. The rotating driving screw 208 The push plate 210 will be driven to move inward through the sliding nut 209, and the inwardly moving push plate 210 will squeeze the ball 211. The squeezed ball 211 will push the positioning pin 212 to move outward, and the positioning pin 212 will be reinserted into the connecting frame 205 to fix the connecting frame 205 in the ventilation box 201.

[0028] The working process of the utility model: when the rail transit carriage designed by the present scheme is in operation, when the carriage body 1 is in motion, the outside air will flow into the ventilation box 201 along the air inlet groove 203 on the top of the air inlet cover 202, and when the air flows through the air inlet groove 203, the dustproof net 204 in the air inlet groove 203 will remove the dust in the air, and the air with the dust removed will flow downward, and the air flowing downward will pass through the moisture absorption plate 206 and the deodorization plate 207 in turn, the moisture absorption plate 206 will absorb the water vapor in the air, and the deodorization plate 207 will absorb the odorous gas in the air, and the air after moisture absorption and deodorization will flow into the interior of the carriage body 1;

[0029] After long-term use, the driving screw 208 is rotated, and the rotating driving screw 208 will drive the push plate 210 to move outward through the sliding nut 209. The push plate 210 moving outward no longer resists the ball 211, and the return spring 213 will push the positioning pin 212 to move inward. The positioning pin 212 moving inward withdraws from the connecting frame 205, and the positioning pin 212 no longer blocks the connecting frame 205. The connecting frame 205 is pulled and taken out of the ventilation box 201, the dehumidifying plate 206 and the deodorizing plate 207 are removed, and new dehumidifying plates 206 and deodorizing plates 207 are installed in the connecting frame 205, and the connecting frame 205 and the new dehumidifying plates 206 and deodorizing plates 207 are reinserted into the ventilation box 201, and the driving screw 208 is rotated in the opposite direction. The rotating driving screw 208 The push plate 210 will be driven to move inward through the sliding nut 209, and the inwardly moving push plate 210 will squeeze the ball 211. The squeezed ball 211 will push the positioning pin 212 to move outward, and the positioning pin 212 will be reinserted into the connecting frame 205 to fix the connecting frame 205 in the ventilation box 201.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rail transit carriage, comprising a carriage body (1), characterized in that: The outer wall of the carriage body (1) is provided with a ventilation mechanism (2), and the top of the carriage body (1) and both sides of the ventilation mechanism (2) are provided with drag reduction plates (3); The ventilation mechanism (2) comprises a ventilation box (201) fixedly connected to the top of the vehicle body (1); an air intake cover (202) is fixedly connected to the top of the ventilation box (201); an air intake groove (203) is provided on the top, front and back of the air intake cover (202); a dustproof net (204) is fixedly connected inside the air intake groove (203); a connection frame (205) is slidably connected inside the ventilation box (201) and directly below the air intake cover (202); a moisture absorption plate (206) is fixedly connected inside the connection frame (205); a deodorizing plate (207) is fixedly connected inside the connection frame (205) and below the moisture absorption plate (206); A driving screw rod (208) is rotatably connected inside and near the connection frame (205); a sliding nut (209) is threadably connected to the outer wall of the driving screw rod (208) and the inner thread of the ventilation box (201); a push plate (210) is fixedly connected to the top and bottom of the sliding nut (209); a ball (211) is rollingly connected to the outer wall of the push plate (210); a positioning pin (212) is rotatably connected to the outer wall of the ball (211); a return spring (213) is fixedly connected to the outer wall of the positioning pin (212) and at a position away from the push plate (210); and a positioning groove (214) is provided on the outer wall of the connection frame (205) at a position corresponding to the positioning pin (212).

2. A rail transit carriage according to claim 1, characterized in that: The drag reduction plate (3) is made of aluminum alloy and is designed as a semicircular structure.

3. A rail transit carriage according to claim 1, characterized in that: The ventilation box (201), the air intake cover (202), the connection frame (205), and the positioning pin (212) are all made of aluminum alloy; the ventilation box (201) penetrates and extends into the vehicle body (1); and the return spring (213) is connected to the ventilation box (201) in a fixed manner.

4. A rail transit carriage according to claim 1, characterized in that: The moisture absorbing plate (206) is made of a water-absorbing resin, and a plurality of serpentine grooves are provided in the moisture absorbing plate (206). The moisture absorbing plate (206), the deodorizing plate (207), the driving screw rod (208) and the connecting frame (205) are each provided in two groups, and the connecting frame (205) and the driving screw rod (208) both penetrate and extend to the outside of the ventilation box (201).

5. The rail transit carriage according to claim 1, characterized in that: The push plate (210) is designed as a trapezoidal structure, the driving screw (208) is connected to the ventilation box (201) by rotation, and the deodorizing plate (207) is made of an activated carbon plate.

6. A rail transit carriage according to claim 1, characterized in that: The positioning pins (212) and the balls (211) are provided in multiple groups, and the shape of the positioning grooves (214) matches the shape of the positioning pins (212).

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