CN213109328U - Dust removal net for air duct in subway car - Google Patents

Abstract

The utility model provides a dust removal net for wind channel in subway car relates to the fixed technical field of dust removal net, including wind channel pipe and fixing device, the inner wall sliding connection of wind channel pipe has fixed frame, the inner wall fixedly connected with protection network of fixed frame, the inner wall fixedly connected with backup pad of wind channel pipe, two spouts have been seted up on the surface of backup pad, the surface of backup pad is equipped with fixing device, fixing device includes two clips, the surface of two clips respectively with spout sliding connection, the fixed surface of clip is connected with the supporting shoe, the one end fixedly connected with dog of supporting shoe is kept away from to the clip, the dog is close to the one end fixedly connected with fixture block of sliding block. The utility model discloses, a fixed for the dust removal net in wind channel in the subway car, when needing to change or clear up the dust that removes dust and net, increased staff's intensity of labour, cause inconvenience for the staff, this device has solved the dust removal net and has been difficult to more change the problem that causes inconvenience for the staff.

Description

Dust removal net for air duct in subway car

Technical Field

The utility model relates to a fixed technical field of dust removal net especially relates to a dust removal net that is used for wind channel in railcar.

Background

The ventilation system of the subway rail vehicle is a very important system in the whole vehicle and is responsible for air circulation, temperature regulation and the like of each workshop, the air duct is a core component of a rail train, at present, the ventilation system of the vehicle of domestic rail vehicle manufacturing enterprises selects a cylindrical air duct mainly formed by splicing panel plates, the air duct of the air duct is a pipeline system for air conveying and distribution, the ventilation system of the vehicle comprises a composite air duct and an inorganic air duct, a dust removal net is often arranged in the air duct, the dust removal net is formed by processing metal wire meshes with different meshes, and the functions of filtering molten material flow and increasing material flow resistance are achieved.

The dust removal net in wind channel is often fixed in the wind channel in the subway car, in order to make to have fine stability between dust removal net and the wind channel, the staff can make it connect the method that adopts four bolts closely fixed wind channel four ends between dust removal net and the wind channel, when needing to be changed or clear up the dust on the dust removal net, need two staff, press the dust removal net alone, twist the bolt alone, staff's intensity of labour has been increased, cause the inconvenience for the staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dust removal net for an air duct in a subway car.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dust removal net for wind channel in subway car, includes wind channel pipe and fixing device, the inner wall sliding connection of wind channel pipe has fixed frame, the inner wall fixedly connected with protection network of fixed frame, the inner wall fixedly connected with backup pad of wind channel pipe, two spouts have been seted up on the surface of backup pad, the surface of backup pad is equipped with fixing device, fixing device includes two clips, two the surface of clip respectively with spout sliding connection, the fixed surface of clip is connected with the supporting shoe, the fixed surface of supporting shoe is connected with the sleeve, telescopic inner wall sliding connection has the loop bar, the one end fixedly connected with sliding block of supporting shoe is kept away from to the loop bar, the one end fixedly connected with dog of supporting shoe is kept away from to the clip, the one end fixedly connected with fixture block that the dog is close to.

Preferably, one end of the supporting block close to the sliding block is fixedly connected with a spring, and one end of the spring far away from the supporting block is fixedly connected with the sliding block.

Preferably, the surface threaded connection of backup pad has two threaded rods, and the surface cover of two threaded rods has the carriage, threaded rod and backup pad fixed connection are passed through on the surface of carriage, the inner wall sliding connection of carriage has the fixed block, the draw-in groove has been seted up on the surface of fixed block, and the size of draw-in groove and the size looks adaptation of fixture block.

Preferably, the surface of the supporting frame is in threaded connection with a supporting rod, and one end of the supporting rod, which is close to the supporting plate, is in contact with the fixing block.

Preferably, the surface of backup pad is seted up flutedly, the surface of backup pad is equipped with protector, protector includes two guard plates, two the surface and the recess sliding connection of guard plate, the fixed surface of guard plate is connected with the U-shaped piece, the surface rotation of U-shaped piece is connected with the extrusion piece, the extrusion groove has been seted up on the surface of extrusion piece, the rotation groove has been seted up on the surface of U-shaped piece, and the inner wall rotation in rotation groove is connected with the dwang, the surface of dwang is inserted and is equipped with the kelly.

Preferably, the surface of the U-shaped block is provided with an L-shaped groove, the inner wall of the L-shaped groove is rotatably connected with the clamping block, the surface of the clamping block is provided with a sliding groove, and the surface of the sliding groove is fixedly connected with a sliding rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the fixing device, when the dust removing net needs to be replaced, the fixing frame for fixing the dust removing net is placed on the clamp, the bolt on the fixing frame is rotated, the clamp is extruded by the bolt to fix the fixing frame, then the fixing frame is placed in the air duct pipe, the clamp can slide on the inner wall of the chute of the supporting plate on the air duct pipe, then the fixing block is placed in the supporting frame, the sliding block on the clamp is pushed, a certain gap is left between the sliding block and the stop block, the size of the gap is larger than that of the fixing block, then the fixing block slides along the inner wall of the supporting frame, after sliding for a certain distance, the clamping block of the stop block is clamped into the clamping groove on the fixing block, at the moment, the fixing block and the clamp are fixed, the bolt on the supporting rod is rotated, the supporting rod is rotated by the bolt, when the, at the moment, the fixing frame and the air duct pipe are also fixed, and the device solves the problem that the dust removal net is not easy to replace and causes inconvenience to workers.

2. The utility model discloses in, through setting up protector, after dust removal net change finishes, rotate the extrusion piece on the U-shaped piece, make the extrusion fast and be vertical angle between the U-shaped piece, rotate the dwang on the U-shaped piece afterwards, make the kelly on the dwang contact with the inner wall in extrusion groove, rotate the clamp splice on the U-shaped piece afterwards, when the clamp splice rotates between dwang and the U-shaped piece, slide bar on the slip clamp splice, make the surface and the dwang of slide bar contact, fixed this moment between dwang and the U-shaped piece, it is fast to promote the extrusion, the extrusion piece drives the guard plate and slides along the recess inner wall, when the guard plate covers the recess, stop promoting the extrusion piece, the recess is covered completely this moment, the recess has been solved in the fixing device accumulates the dust easily, influence the problem that the fixing device used next time.

Drawings

Fig. 1 is a schematic perspective view of a dust removal net for an air duct in a subway car according to the present invention;

fig. 2 is a schematic view of a part of the structure of a dust removing net for an air duct in a subway car;

fig. 3 is a schematic structural view of a position a in fig. 2 of a dust removal net for an air duct in a subway car, according to the present invention;

fig. 4 is a schematic structural view of a portion B in fig. 2 in a dust removal net for an air duct in a subway car, according to the present invention;

fig. 5 is the utility model provides a side view structure schematic diagram of a dust removal net for wind channel in subway car.

Illustration of the drawings: 1. an air duct pipe; 2. a fixing frame; 3. a protective net; 4. a support plate; 5. a fixing device; 51. a support frame; 52. a fixed block; 53. a slider; 54. a clip; 55. a support block; 56. a stopper; 57. a loop bar; 58. a spring; 59. a sleeve; 6. a guard; 61. a protection plate; 62. a U-shaped block; 63. a clamping block; 64. rotating the rod; 65. a clamping rod; 66. and extruding the block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-5, the utility model provides a dust removal net for wind channel in subway car, including wind channel pipe 1 and fixing device 5, the inner wall sliding connection of wind channel pipe 1 has fixed frame 2, and the inner wall fixedly connected with protection network 3 of fixed frame 2, the inner wall fixedly connected with backup pad 4 of wind channel pipe 1, two spouts have been seted up on the surface of backup pad 4, and the surface of backup pad 4 is equipped with fixing device 5, and the surface of backup pad 4 is seted up flutedly, and the surface of backup pad 4 is equipped with protector 6.

The specific arrangement and function of the fixing means 5 and the guard means 6 will be described in detail below.

As shown in fig. 1 and 3, the fixing device 5 includes two clips 54, the surfaces of the two clips 54 are respectively connected with the sliding grooves in a sliding manner, the surface of each clip 54 is fixedly connected with a supporting block 55, the surface of each supporting block 55 is fixedly connected with a sleeve 59, the inner wall of each sleeve 59 is connected with a loop bar 57 in a sliding manner, the loop bar 57 is far away from one sliding block 53 of the supporting block 55, the clip 54 is far away from one stop 56 of the supporting block 55, the stop 56 is close to one clamping block of the sliding block 53, the supporting block 55 is close to one spring 58 of the sliding block 53, and one end of the spring 58, which is far away from the supporting block.

The whole fixing device 5 has the effects that by arranging the fixing device 5, when the dust removing net needs to be replaced, the fixing frame 2 for fixing the dust removing net is placed on the clamp 54, the bolt on the fixing frame 2 is rotated, the clamp 54 is extruded by the bolt to enable the clamp 54 to fix the fixing frame 2, then the fixing frame 2 is placed in the air duct pipe 1, the clamp 54 can slide on the inner wall of the chute of the supporting plate 4 on the air duct pipe 1, then the fixing block 52 is placed in the supporting frame 51, the sliding block 53 on the clamp 54 is pushed, a certain gap is reserved between the sliding block 53 and the stop block 56, the size of the gap is larger than that of the fixing block 52, then the fixing block 52 slides along the inner wall of the supporting frame 51, after a certain distance of sliding, the clamping block of the stop block 56 is clamped into the clamping groove on the fixing block 52, at the moment, the fixing block 52 and the clamp, the bolt rotates and makes the bracing piece rotate, and when the bracing piece to the contact with fixed block 52 surface, fixed block 52 and carriage 51 between being fixed, fixed frame 2 and wind channel pipe 1 also are fixed this moment, and this device has solved the dust removal net and has been difficult to change the problem that causes inconvenience for the staff.

As shown in fig. 1 and 4, the protection device 6 includes two protection plates 61, the surfaces of the two protection plates 61 are slidably connected with the groove, the surface of the protection plate 61 is fixedly connected with a U-shaped block 62, the surface of the U-shaped block 62 is rotatably connected with an extrusion block 66, the surface of the extrusion block 66 is provided with an extrusion groove, the surface of the U-shaped block 62 is provided with a rotation groove, the inner wall of the rotation groove is rotatably connected with a rotation rod 64, and the surface of the rotation rod 64 is inserted with a clamping rod 65.

The whole protection device 6 has the effects that through the arrangement of the protection device 6, after the dust removing net is replaced, the extrusion block 66 on the U-shaped block 62 is rotated, so that the extrusion block and the U-shaped block 62 form a vertical angle, then the rotating rod 64 on the U-shaped block 62 is rotated, the clamping rod 65 on the rotating rod 64 is contacted with the inner wall of the extrusion groove, then the clamping block 63 on the U-shaped block 62 is rotated, when the clamping block 63 rotates to a position between the rotating rod 64 and the U-shaped block 62, the sliding rod on the sliding clamping block 63 is contacted with the rotating rod 64, at the moment, the rotating rod 64 and the U-shaped block 62 are fixed, the extrusion block is pushed, the extrusion block 66 drives the protection plate 61 to slide along the inner wall of the groove, when the protection plate 61 covers the groove, the extrusion block 66 stops being pushed, at the moment, the groove is completely covered, and the problem that dust is, the problem of affecting the next use of the fixing device 5.

The integral working principle is that when the dust removing net needs to be replaced, the fixing frame 2 for fixing the dust removing net is placed on the clamp 54, the bolt on the fixing frame 2 is rotated, the clamp 54 is extruded by the bolt to enable the clamp 54 to fix the fixing frame 2, then the fixing frame 2 is placed in the air duct pipe 1, the clamp 54 can slide on the inner wall of the sliding groove of the supporting plate 4 on the air duct pipe 1, then the fixing block 52 is placed in the supporting frame 51, the sliding block 53 on the clamp 54 is pushed, a certain gap is reserved between the sliding block 53 and the stop block 56, the size of the gap is larger than that of the fixing block 52, then the fixing block 52 slides along the inner wall of the supporting frame 51, after the sliding is carried out for a certain distance, the fixing block of the stop block 56 is clamped in the clamping groove on the fixing block 52, at the moment, the fixing block 52 and the clamp 54 are fixed, then the bolt on the supporting rod, fixed between fixed block 52 and the carriage 51, fixed frame 2 and the wind channel pipe 1 is also fixed this moment, after the dust removal net finishes changing, rotate extrusion block 66 on the U-shaped piece 62, make and extrude between the piece and the U-shaped piece 62 and be vertical angle, rotate the dwang 64 on the U-shaped piece 62 afterwards, make the kelly 65 on the dwang 64 contact with the inner wall of extrusion groove, rotate the clamp splice 63 on the U-shaped piece 62 afterwards, when clamp splice 63 rotates to between dwang 64 and the U-shaped piece 62, the slide bar on the slip clamp splice 63, make the surface of slide bar contact with dwang 64, fixed between dwang 64 and the U-shaped piece 62 this moment, promote and extrude the piece, extrusion block 66 drives guard plate 61 and slides along the recess inner wall, when guard plate 61 covers the recess, stop promoting extrusion block 66, the recess is covered completely this moment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a dust removal net for wind channel in subway car, includes wind channel pipe (1) and fixing device (5), its characterized in that: the inner wall of the air duct pipe (1) is connected with a fixed frame (2) in a sliding manner, the inner wall of the fixed frame (2) is fixedly connected with a protective net (3), the inner wall of the air duct pipe (1) is fixedly connected with a supporting plate (4), the surface of the supporting plate (4) is provided with two sliding grooves, the surface of the supporting plate (4) is provided with a fixing device (5), the fixing device (5) comprises two clamps (54), the surfaces of the two clamps (54) are respectively connected with the sliding grooves in a sliding manner, the surface of each clamp (54) is fixedly connected with a supporting block (55), the surface of each supporting block (55) is fixedly connected with a sleeve (59), the inner wall of each sleeve (59) is connected with a loop bar (57) in a sliding manner, one end of each loop bar (57) far away from the supporting block (55) is fixedly connected with a sliding block (53), and one, one end of the stop block (56) close to the sliding block (53) is fixedly connected with a clamping block.

2. The dust removal net for the air duct in the subway car as claimed in claim 1, wherein: one end of the supporting block (55) close to the sliding block (53) is fixedly connected with a spring (58), and one end of the spring (58) far away from the supporting block (55) is fixedly connected with the sliding block (53).

3. The dust removal net for the air duct in the subway car as claimed in claim 1, wherein: the surface threaded connection of backup pad (4) has two threaded rods, and the surface cover of two threaded rods has carriage (51), threaded rod and backup pad (4) fixed connection are passed through on the surface of carriage (51), the inner wall sliding connection of carriage (51) has fixed block (52), the draw-in groove has been seted up on the surface of fixed block (52), and the size of draw-in groove and the size looks adaptation of fixture block.

4. The dust removal net for the air duct in the subway car as claimed in claim 3, wherein: the surface of the supporting frame (51) is in threaded connection with a supporting rod, and one end of the supporting rod, which is close to the supporting plate (4), is in contact with the fixing block (52).

5. The dust removal net for the air duct in the subway car as claimed in claim 1, wherein: the surface of backup pad (4) is seted up flutedly, the surface of backup pad (4) is equipped with protector (6), protector (6) are including two guard plates (61), two the surface and the recess sliding connection of guard plate (61), the fixed surface of guard plate (61) is connected with U-shaped piece (62), the surface rotation of U-shaped piece (62) is connected with extrusion piece (66), the extrusion groove has been seted up on the surface of extrusion piece (66), the rotation groove has been seted up on the surface of U-shaped piece (62), and the inner wall rotation in rotation groove is connected with dwang (64), the surface of dwang (64) is inserted and is equipped with kelly (65).

6. The dust removal net for the air duct in the subway car as claimed in claim 5, wherein: the surface in U-shaped piece (62) has seted up the L-shaped groove, and the inner wall in L-shaped groove rotates and is connected with clamp splice (63), and the sliding tray has been seted up on the surface of clamp splice (63) to the fixed surface of sliding tray is connected with the slide bar.

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