Ventilation equipment with filtering structure for railway locomotive

Abstract

The utility model discloses ventilation equipment with a filtering structure for a railway locomotive, and belongs to the technical field of equipment for railway locomotives. The ventilation equipment with the filtering structure for the railway locomotive comprises a mounting frame, a filtering assembly is arranged in the mounting frame, the filtering assembly comprises an outer frame detachably mounted in the mounting frame, and a cover plate is mounted on the side, facing the air inlet end, of the outer frame; a containing groove used for primarily filtering impurities in air entering the locomotive is formed in the side, facing the cover plate, of the outer frame, two containing frames hinged to each other are arranged in the containing groove, and coarse filter screens are installed in the containing frames. According to the utility model, the coarse filter screen is arranged on the placing racks which can be popped up, the two placing racks can be popped up by lifting the auxiliary filter screen, and the two placing racks can be clamped into the accommodating groove by covering the cover plate, so that the coarse filter screen can be conveniently disassembled, and the coarse filter screen can be conveniently cleaned and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for railway locomotives, and more specifically, to a ventilation device with a filtering structure for railway locomotives. Background Art

[0002] Railway locomotive mainly studies the basic knowledge and skills of locomotive structure, electrical system, traction calculation, driving technology, braking technology, maintenance technology, driving rules and regulations, etc., and conducts driving, maintenance, maintenance and management of railway locomotives. Common railway locomotives include electric locomotives, diesel locomotives, steam locomotives, etc. Ventilation equipment is an indispensable part of railway locomotives.

[0003] The Chinese patent document with the publication number CN214841377U in the prior art provides a ventilation device with a filtering structure for intelligent buildings, including a cabinet and an inlay, a support foot is fixed at the bottom end of the cabinet, and a smoke alarm is installed at the upper left of the top of the cabinet, an air outlet is arranged in the middle of the top of the cabinet, and a door leaf is connected to the front outer wall of the cabinet through a hinge, an air inlet net is installed in the middle of the door leaf, a fixed block is connected to the inner wall of the cabinet, the inlay is located on the outer wall of the fixed block, and a filter is installed on the outer wall of the inlay, a first filter layer is connected to the inner wall of the cabinet, and a second filter layer is arranged on the rear side of the first filter layer, a protective cover is fixed to the rear side of the cabinet, and a fan is installed inside the protective cover. The ventilation device with a filtering structure for intelligent buildings has a stable structure, simple installation, convenient disassembly, and is easy to clean and maintain. It has a filtering structure, can effectively purify the air, has a good ventilation effect, and has high safety performance.

[0004] However, the volume of the application is large and is not suitable for installation on a railway locomotive. In the existing railway locomotive ventilation equipment, only the first layer of filter is responsible for filtering the most dust in the air and is the most in need of cleaning and replacement. The existing filter is inconvenient to replace, which will affect the filtering effect of the filter and the environment inside the railway locomotive.

[0005] The existing ventilation equipment has the above problems. In view of this, we propose a ventilation equipment with a filtering structure for railway locomotives. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] The utility model aims to provide a ventilation device with a filtering structure for railway locomotives, so as to solve the problem of inconvenience in replacing the filter screen of the existing ventilation device mentioned in the above background technology.

[0008] 2. Technical solution

[0009] A ventilation device with a filtering structure for a railway locomotive comprises a mounting frame mounted on the railway locomotive, wherein the mounting frame is provided with a filtering assembly for removing impurities in the air entering the locomotive, wherein the filtering assembly comprises an outer frame detachably mounted inside the mounting frame, wherein a cover plate is installed on the side of the outer frame facing the air inlet end, wherein a storage groove for initially filtering impurities in the air entering the locomotive is provided on the side of the outer frame facing the cover plate, wherein two mutually hinged placement frames are provided inside the storage groove, wherein a coarse filter screen is installed inside the placement frame.

[0010] Preferably, a pop-up assembly is respectively installed at one end of the two placement racks that are away from each other, and the pop-up assembly includes a slider slidably arranged inside the storage groove, and a plurality of push rods are respectively installed on the side of the two sliders that are away from each other, a sleeve is installed inside the slider, and a spring abutting against one end of the push rod is installed inside the sleeve.

[0011] Preferably, an arc-shaped groove is provided on a side of the sliding block facing the placement rack, and an abutment rod with a cylindrical cross-section is provided on an end of the placement rack facing the sliding block.

[0012] Preferably, a semicircular auxiliary filter screen is hinged between the two placement racks, and a pressure rod is provided on the side of the auxiliary filter screen facing the cover plate.

[0013] Preferably, extension rods are respectively installed at both ends of the auxiliary filter, and a slide groove for the extension rod to pass through is opened on the side wall of the storage groove, and the top of the slide groove is open.

[0014] Preferably, one end of the cover plate is hinged to one end of the storage slot, a pressing block is provided in the middle of the cover plate, and the other end of the cover plate is snap-connected to the storage slot.

[0015] Preferably, a plurality of storage bins for storing different filter elements are provided inside the outer frame, one side of the storage bins is open, and a baffle is provided at the opening of the storage bins.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] 1. The utility model installs the coarse filter on a pop-up placement rack, the two placement racks are hinged, the two ends of the two placement racks are in contact with the slider, the slider is connected to the end of the storage slot through a spring and a push rod, the two placement racks can be popped out by pulling the auxiliary filter, and the two placement racks can be inserted into the storage slot by covering the cover plate, so that the coarse filter can be easily disassembled, cleaned and replaced.

[0019] 2. The utility model provides a pressure rod and a pressing block. The pressure rod is installed on the auxiliary filter screen, and the pressing block is installed on the cover plate. Pressing down the cover plate can make the pressing block move against the pressure rod, so as to avoid the cover plate pressing the auxiliary filter screen to cause a large deformation and affect the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 For the utility model Figure 1 The enlarged view of point A in the middle;

[0022] Figure 3 It is a left view of the utility model;

[0023] Figure 4 For the utility model Figure 3 Schematic diagram of the three-dimensional cross section at AA in the middle;

[0024] Figure 5 For the utility model Figure 4 The enlarged view of point B in the middle;

[0025] Explanation of the numbers in the figure: 1. Mounting frame; 2. Outer frame; 3. Cover plate; 4. Storage slot; 5. Placement rack; 6. Coarse filter; 7. Slider; 8. Sleeve; 9. Spring; 10. Arc groove; 11. Abutment rod; 12. Auxiliary filter; 13. Push rod; 14. Pressure rod; 15. Extension rod; 16. Slide; 17. Press block; 18. Placement bin; 19. Baffle. DETAILED DESCRIPTION

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] See also Figure 1-5 ,The utility model provides a technical solution:

[0030] A ventilation device with a filtering structure for a railway locomotive comprises a mounting frame 1 mounted on the railway locomotive, a filtering assembly for removing impurities in the air entering the locomotive is arranged inside the mounting frame 1, the filtering assembly comprises an outer frame 2 detachably mounted inside the mounting frame 1, a cover plate 3 is arranged on the side of the outer frame 2 facing the air inlet end, a receiving groove 4 for initially filtering impurities in the air entering the locomotive is provided on the side of the outer frame 2 facing the cover plate 3, two mutually hinged placement frames 5 are arranged inside the storage groove 4, and a coarse filter screen 6 is installed inside the placement frame 5.

[0031] The utility model provides two mutually hinged placement racks 5, and the coarse filter 6 is installed on the placement racks 5, so that the incoming air can be filtered, and a large amount of dust generated by the filtration will remain on the coarse filter 6. The placement racks 5 are installed in the storage slot 4, and the top of the placement racks 5 is open, which can facilitate the placement of the coarse filter 6. The two placement racks 5 can be inserted into the storage slot 4. When the cover plate 3 is closed, the two placement racks 5 are inserted into the storage slot 4. When the cover plate 3 is opened, the two placement racks 5 pop up from the storage slot 4, which is convenient for cleaning and replacing the coarse filter 6.

[0032] Specifically, a pop-up assembly is respectively installed at one end of the two placement racks 5 that are away from each other, and the pop-up assembly includes a slider 7 slidably arranged inside the storage groove 4, and a plurality of push rods 13 are respectively installed on the side of the two sliders 7 that are away from each other, and a sleeve 8 is installed inside the slider 7, and a spring 9 abutting against one end of the push rod 13 is installed inside the sleeve 8; by setting the pop-up assembly, the slider 7 is slidably connected in the storage groove 4, the sleeve 8 is installed on the inner wall of the slider 7, the spring 9 is located inside the sleeve 8, the spring 9 abuts against the push rod 13, and the other end of the push rod 13 abuts against the end of the storage groove 4, and the spring 9 is in a contracted state when the placement rack 5 is fully placed.

[0033] Furthermore, an arc groove 10 is provided on the side of the slider 7 facing the placement rack 5, and an abutment rod 11 with a cylindrical cross-section is provided on the end of the placement rack 5 facing the slider 7; by providing the arc groove 10, the arc groove 10 is opened on the side facing the two sliders 7, and the abutment rod 11 is fixedly connected to one end of the placement rack 5, so as to limit the movement of the placement rack 5.

[0034] It is worth mentioning that a semicircular auxiliary filter 12 is hinged between the two placement racks 5, and a pressure rod 14 is provided on the side of the auxiliary filter 12 facing the cover plate 3; by setting the auxiliary filter 12, the auxiliary filter 12 can block the part where the two placement racks 5 are connected, preventing dust in the air from entering the interior of the railway locomotive through the gap between the two placement racks 5.

[0035] It is worth noting that extension rods 15 are respectively installed at both ends of the auxiliary filter 12, and a slide groove 16 for the extension rod 15 to pass through is opened on the side wall of the storage groove 4, and the top of the slide groove 16 is open; by setting the extension rod 15, the extension rod 15 is fixedly connected to the outer middle part of the auxiliary filter 12, and the slide groove 16 is opened on the side wall of the storage groove 4. The extension rod 15 can slide inside the slide groove 16, which is convenient for the placement rack 5 to be inserted into the storage groove 4.

[0036] In addition, one end of the cover plate 3 is hinged to one end of the storage slot 4, a pressing block 17 is provided in the middle of the cover plate 3, and the other end of the cover plate 3 is snap-connected to the storage slot 4; by setting a hinged cover plate 3, the cover plate 3 is convenient to open and close, and the pressing block 17 can press against the top rod 13 on the auxiliary filter screen 12 to prevent the auxiliary filter screen 12 from being compressed and deformed.

[0037] It must be mentioned that the interior of the outer frame 2 is provided with a plurality of placement bins 18 for storing different filters. One side of the placement bin 18 is open, and a baffle 19 is provided at the opening of the placement bin 18. By setting the placement bin 18, some other filter plate structures can be placed inside the placement bin 18 to filter out other impurities and odors. The baffle 19 can close the opening to facilitate the replacement of the filter.

[0038] Working principle: This device is pre-installed at the reserved ventilation position on the railway locomotive, and then the fan in the locomotive is started. The fan will suck the external air into the railway locomotive through this device. During use, a large amount of dust in the air will remain on the coarse filter 6. When cleaning the coarse filter 6, open the cover 3 and pull the coarse filter 6 outward. At this time, the spring 9 will extend and push the slider 7 to the middle of the storage groove 4 through the push rod 13. At the same time, the two placement racks 5 will rotate relative to each other, and then the placement rack 5 will be taken out, and the coarse filter 6 inside the placement rack 5 will be cleaned and replaced. After the processing is completed, the coarse filter 6 is placed inside the placement rack 5, and then the two ends of the two placement racks 5 are placed in the storage groove 4, and then the cover 3 is covered. As the cover 3 is pressed down, the two placement racks 5 will be pressed into the storage groove 4 by the cover 3 until the cover 3 is completely buckled.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A ventilation device with a filtering structure for a railway locomotive, comprising a mounting frame (1) mounted on the railway locomotive, characterized in that: The interior of the mounting frame (1) is provided with a filter assembly for removing impurities in the air entering the locomotive, the filter assembly comprising an outer frame (2) detachably mounted inside the mounting frame (1), a cover plate (3) being mounted on the side of the outer frame (2) facing the air inlet end, a storage groove (4) for initially filtering impurities in the air entering the locomotive being provided on the side of the outer frame (2) facing the cover plate (3), the interior of the storage groove (4) being provided with two mutually hinged placement frames (5), the interior of the placement frames (5) being provided with a coarse filter screen (6).

2. A ventilation device with a filtering structure for a railway locomotive according to claim 1, characterized in that: A pop-up assembly is installed at one end of the two placement racks (5) that are away from each other. The pop-up assembly includes a slider (7) that is slidably arranged inside the storage groove (4). A plurality of push rods (13) are installed at one side of the two sliders (7) that are away from each other. A sleeve (8) is installed inside the slider (7). A spring (9) that abuts against one end of the push rod (13) is installed inside the sleeve (8).

3. A ventilation device with a filtering structure for a railway locomotive according to claim 2, characterized in that: An arc groove (10) is provided on one side of the slide block (7) facing the placement rack (5), and an abutment rod (11) with a cylindrical cross section is provided on one end of the placement rack (5) facing the slide block (7).

4. A ventilation device with a filtering structure for a railway locomotive according to claim 3, characterized in that: A semicircular auxiliary filter screen (12) is hinged between the two placement racks (5), and a pressure rod (14) is provided on the side of the auxiliary filter screen (12) facing the cover plate (3).

5. A ventilation device with a filtering structure for a railway locomotive according to claim 4, characterized in that: Extension rods (15) are respectively installed at both ends of the auxiliary filter (12), and a slide groove (16) for the extension rod (15) to pass through is opened on the side wall of the storage groove (4), and the top of the slide groove (16) is open.

6. The ventilation device with a filtering structure for a railway locomotive according to claim 2, characterized in that: One end of the cover plate (3) is hinged to one end of the storage groove (4), a pressing block (17) is provided in the middle of the cover plate (3), and the other end of the cover plate (3) is snap-connected to the storage groove (4).

7. The ventilation device with a filtering structure for a railway locomotive according to claim 1, characterized in that: A plurality of storage bins (18) for storing different filter elements are arranged inside the outer frame (2); one side of the storage bins (18) is open, and a baffle (19) is arranged at the opening of the storage bins (18).

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