CN220629164U - Light quick-change filter screen for converter - Google Patents
Light quick-change filter screen for converter Download PDFInfo
- Publication number
- CN220629164U CN220629164U CN202322087412.0U CN202322087412U CN220629164U CN 220629164 U CN220629164 U CN 220629164U CN 202322087412 U CN202322087412 U CN 202322087412U CN 220629164 U CN220629164 U CN 220629164U
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- filter screen
- shell
- cover plate
- sealing cover
- grille
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 9
- 239000000306 component Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a light quick-change filter screen for a converter, which comprises a sealing cover plate, a grid, a spring pull pin, a metal filter screen and a rotary hinge; one end of the grille is rotatably arranged on the sealing cover plate through the rotary hinge, and the spring pull pin is positioned at the other end of the grille; the metal filter screen is detachably arranged on the grid; the spring pull pin comprises a guide pin, a spring, a fixed shaft and a shell; the shell is fixedly arranged on the sealing cover plate; one end of the fixed shaft extends out of the shell, and the other end of the fixed shaft is positioned in the shell and fixedly connected with the guide pin; the spring is sleeved outside the fixed shaft; the shell is provided with a positioning hole I, and a positioning hole II is formed in a position, corresponding to the positioning hole I, of the metal filter screen; the other end of the guide pin penetrates through the positioning hole I and stretches into the positioning hole II. The utility model solves the problems of inconvenient replacement and easy blockage of the filtering device of the traditional traction auxiliary system.
Description
Technical Field
The utility model relates to the technical field of traction auxiliary systems, in particular to a light quick-change filter screen for a converter.
Background
As the demand for downsizing and weight saving of the entire vehicle has been recently increased, the traction assist system has been developed to be highly integrated as a core component of the urban rail transit vehicle. In the past, a discrete traction auxiliary system through natural heat dissipation or running air cooling gradually exits from a history stage due to the defects of low space utilization rate, complicated interfaces, high weight and the like. Various highly integrated and lightweight traction aid system products utilizing forced air cooling have been developed.
The air inlet filter screen is mainly used for filtering sundries and rainwater on the cooling air duct of the whole traction auxiliary system product, so that the influence of a large amount of rainwater or sundries on the insulation performance, the service life of a bearing and the dynamic balance of blades of a cooling fan in the system is avoided, and the fin clearance blockage of a radiator fin caused by long-term accumulation of a large amount of dust or sundries is avoided, and the radiating capacity is lost.
Patent CN202022243990 proposes a quick-change ventilation filtering device, mainly used for filtering an air inlet of a forced air cooling variable flow system with an upper air inlet structure, but the filtering device adopts a fixed type drawing slideway design, when the maintenance space requirement of the whole vehicle does not meet the drawing direction of a filter screen, the filter screen cannot be drawn out, and the limitation of usable conditions is caused; and because no grid structure is designed, when large-area soft sundries such as plastic bags and the like are blocked, the air inlet area of the device is greatly reduced, and enough air inlet quantity can not be provided for a cooling system of the device.
Disclosure of Invention
According to the technical problem of the existing filtering device, the light quick-change filter screen for the converter is provided, and is used in a forced air cooling traction auxiliary system of a side air inlet structure, the mounting frame, the grille and the filter screen are of light weight design of an all-aluminum alloy structure, and the spring pull pin and the rotary hinge are matched, so that rainwater shielding and sundries filtering are realized, and meanwhile maintenance replacement difficulty of the later stage of the filter screen is reduced.
The utility model adopts the following technical means:
a light quick-change filter screen for a converter comprises a sealing cover plate, a grid, a spring pull pin, a metal filter screen and a rotary hinge;
the sealing cover plate is provided with a vent, and the grille is arranged on the vent; one end of the grille is rotatably arranged on the sealing cover plate through the rotary hinge, and the spring pull pin is positioned at the other end of the grille; the metal filter screen is detachably arranged on one side of the grid, which faces the ventilation opening;
the spring pull pin comprises a guide pin, a spring, a fixed shaft and a shell; the shell is fixedly arranged on the sealing cover plate; one end of the fixed shaft extends out of the shell, and the other end of the fixed shaft is positioned in the shell and fixedly connected with the guide pin; the spring is sleeved outside the fixed shaft and is positioned between the inner wall of the shell and the guide pin;
the shell is provided with a positioning hole I, and a positioning hole II is formed in a position, corresponding to the positioning hole I, of the metal filter screen; the other end of the guide pin penetrates through the positioning hole I and stretches into the positioning hole II.
Further, a grid slideway is arranged on one side of the grid facing the ventilation opening, and the metal filter screen is detachably and slidably arranged on the grid slideway; the grid slide is provided with a locating hole III at a position corresponding to the locating hole I, and the guide pin sequentially penetrates through the locating hole I and the locating hole III to extend into the locating hole II.
Further, two sides of the metal filter screen are respectively provided with one spring pull pin.
Further, the spring pull pin further comprises a pull rod; the L-shaped hole is formed in the side face of the shell, the pull rod penetrates through the L-shaped hole and is fixedly mounted on the guide pin, and the pull rod is used for driving the guide pin to move along the L-shaped hole and can be clamped in a groove of the L-shaped hole.
Further, a raised grid structure is arranged in the middle of the grid.
Further, a sealing rubber strip is arranged on the back surface of the sealing cover plate.
Further, the swivel hinge includes a hole end and a shaft end; the shaft end is fixedly arranged on the sealing cover plate; the hole end is fixedly arranged on the grille and is rotationally connected with the shaft end.
Further, a handle is fixedly arranged on the metal filter screen.
Further, the metal filter screen is a three-layer metal filter screen combined structure with two mesh metal filter screens alternately arranged.
Further, the sealing cover plate, the grille, the shell, the metal filter screen and the rotary hinge are all made of aluminum alloy materials.
Compared with the prior art, the utility model has the following advantages:
the light quick-change filter screen for the converter provided by the utility model is designed by adopting aluminum alloy materials except for the guide pin, the spring, the fixed shaft and the pull rod in the spring pull pin, and compared with the traditional stainless steel filter screen, the light quick-change filter screen for the converter is light in weight by about 50%, and the manufacturing cost is saved by 20%; meanwhile, the filter screen realizes flexible change of maintenance space of the filter screen through adjusting the opening and closing angle, and can adapt to the maintenance space of most vehicles; and can reduce to a great extent and pull auxiliary system to the cooling air duct clearance maintenance duration, need not to pull down whole filter screen when clearing up the filter screen at every turn, only need take out the clearance alone with the metal filter screen can.
For the reasons described above, the present utility model can be widely generalized in the traction aid system field.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a quick-change filter screen according to the present utility model.
Fig. 2 is a schematic diagram of a quick-change filter screen according to the present utility model.
Fig. 3 is a schematic view of the structure of the spring pull pin according to the present utility model.
Fig. 4 is a schematic view of the internal structure of the spring pull pin according to the present utility model.
Fig. 5 is a schematic view of a rotating hinge structure according to the present utility model.
FIG. 6 is a schematic diagram showing the installation of the quick-change filter screen in the forced air cooling traction auxiliary system according to the present utility model.
In the figure: 1. a sealing cover plate; 2. a grille; 3. a spring pull pin; 3.1, a guide pin; 3.2, a spring; 3.3, fixing shaft; 3.4, a shell; 3.5, a pull rod; 4. a metal filter screen; 5. rotating the folding paper; 5.1 pore end; 5.2, shaft ends; 6. a handle; 7. and a light quick-change filter screen.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
As shown in fig. 1 to 6, the utility model provides a light quick-change filter screen for a converter, which comprises a sealing cover plate 1, a grid 2, a spring pull pin 3, a metal filter screen 4 and a rotary hinge 5;
the sealing cover plate 1 is provided with a vent, and the grille 2 is arranged on the vent; one end of the grille 2 is rotatably arranged on the sealing cover plate 1 through the rotary hinge 5, and the spring pull pin 3 is positioned at the other end of the grille 2; the metal filter screen 4 is detachably arranged on one side of the grid 2 facing the ventilation opening;
the spring pull pin 3 comprises a guide pin 3.1, a spring 3.2, a fixed shaft 3.3 and a shell 3.4; the shell 3.4 is fixedly arranged on the sealing cover plate 1; one end of the fixed shaft 3.3 extends out of the shell 3.4, and the other end of the fixed shaft is positioned in the shell 3.4 and fixedly connected with the guide pin 3.1; the spring 3.2 is sleeved outside the fixed shaft 3.4 and is positioned between the inner wall of the shell 3.4 and the guide pin 3.1;
the shell 3.4 is provided with a positioning hole I, and a positioning hole II is formed in a position, corresponding to the positioning hole I, of the metal filter screen 4; the other end of the guide pin 3.1 penetrates through the positioning hole I to extend into the positioning hole II, so that the metal filter screen 4 is fixed.
Further, a grid slideway is arranged on one side of the grid 2 facing the ventilation opening, and the metal filter screen 4 is detachably and slidably arranged on the grid slideway; the position on the grid slideway corresponding to the positioning hole I is provided with a positioning hole III, and the guide pin 3.1 sequentially penetrates through the positioning hole I and the positioning hole III to stretch into the positioning hole II, so that the metal filter screen 4 is fixed in the grid slideway.
Further, two sides of the metal filter screen 4 are respectively provided with one spring pull pin 3.
Further, the guide pin 3.1 is fastened with the fixed shaft 3.3 by threads; the spring pull pin 3 also comprises a pull rod 3.5; an L-shaped hole is formed in the side face of the shell 3.4, the pull rod 3.5 penetrates through the L-shaped hole and is fixedly arranged on the guide pin 3.1 through threads, and the pull rod 3.5 is used for driving the guide pin 3.1 to move along the L-shaped hole and can be clamped in a groove of the L-shaped hole; when the pull rod 3.5 is pulled to retract the guide pin 3.1 into the shell 3.4, the pull rod 3.5 can be clamped in the groove of the L-shaped hole, so that the metal filter screen 4 is unfixed.
According to the light quick-change filter screen for the converter, the whole spring pull pin 3 is welded on the sealing cover plate 1 through the shell 3.4 to fix the light quick-change filter screen, when the metal filter screen 4 needs to be replaced, the pull rods 3.5 of the spring pull pins 3 on two sides of the metal filter screen 4 are pulled to pull the guide pins 3.1 to two sides, leave the positioning holes II on the metal filter screen 4, clamp the pull rods 3.5 through the grooves of the L-shaped holes of the shell, and then the grille 2 can be opened, and the metal filter screen 4 is pulled out; the guide pin 3.1 ensures the guide effect when the guide pin needs to sequentially pass through the positioning holes on the shell 3.4, the grille 2 and the metal filter screen 4 in the whole drawing process, so that the whole drawing process is smoothly carried out, and the grille 2 is fixed and limited when the grille 2 is closed; when the guide pin 3.1 stretches into the positioning hole of the metal filter screen 4, and the position of the metal filter screen 4 is fixed, the spring 3.2 can play a limiting role on the guide pin 3.1 through the spring force of the spring 3.1, so that the guide pin 3.1 is prevented from moving left and right to separate from the positioning holes on the grid 2 and the metal filter screen 4, and accordingly the grid 2 is opened by mistake and the metal filter screen 4 falls off.
Further, the middle part of the grid 2 is provided with a raised grid structure, and the three-dimensional design of the grid 2 can increase the number of air inlet surfaces, so that the air inlet area is greatly reduced when large-area soft sundries such as plastic bags are blocked, and the sufficient air inlet quantity cannot be provided for a cooling system of the air inlet area.
Further, a sealing rubber strip is arranged on the back surface of the sealing cover plate 1, the sealing cover plate 1 is combined on an air inlet of the traction auxiliary converter system cabinet body through a bolt, and the sealing rubber strip is used for sealing between the sealing cover plate 1 and the air inlet.
Further, the rotating hinge 5 includes a 5.1 hole end and a 5.2 shaft end; the shaft end 5.2 is fixedly arranged on the sealing cover plate 1; the hole end 5.1 is fixedly arranged on the grille 2 and is rotationally connected with the shaft end 5.2; the rotary hinge 5 can enable the grille 2 to be adjusted to any opening and closing angle, so that flexible adjustment of the drawing direction of the metal filter screen 4 is realized through adjustment of the opening and closing angle of the grille 2, and the requirements of different maintenance spaces of a vehicle are met.
Further, a handle 6 is fixedly installed on the metal filter screen 4, so that the metal filter screen 4 can be conveniently pulled and detached during maintenance.
Further, the metal filter screen 4 is a three-layer metal filter screen combined structure with two mesh metal filter screens alternately arranged, and has good filtering effect on rainwater and sundries.
Further, the sealing cover plate 1, the grille 2, the shell 3.4, the metal filter screen 4 and the rotary hinge 5 are all made of aluminum alloy materials, and the weight of the whole filter screen is reduced due to the light weight design of the structure, so that the installation and the maintenance are convenient.
When in use, as shown in fig. 6, the light quick-change filter screen 7 for the converter is arranged in the forced air cooling traction auxiliary system of the side air inlet structure, the sealing cover plate 1 is arranged on the air inlet of the traction auxiliary converter system cabinet body, and the ventilation opening of the sealing cover plate 1 corresponds to the air inlet; the quick replacement of the metal filter screen 4 can be realized through the spring pull pin 3, and meanwhile, the flexible change of the opening and closing angle of the grille 2 can be ensured through the rotary hinge 5, so that the requirement on the drawing direction of the metal filter screen 4 is met, and the requirement on different maintenance spaces of a vehicle is met.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (10)
1. The light quick-change filter screen for the converter is characterized by comprising a sealing cover plate, a grid, a spring pull pin, a metal filter screen and a rotary hinge;
the sealing cover plate is provided with a vent, and the grille is arranged on the vent; one end of the grille is rotatably arranged on the sealing cover plate through the rotary hinge, and the spring pull pin is positioned at the other end of the grille; the metal filter screen is detachably arranged on one side of the grid, which faces the ventilation opening;
the spring pull pin comprises a guide pin, a spring, a fixed shaft and a shell; the shell is fixedly arranged on the sealing cover plate; one end of the fixed shaft extends out of the shell, and the other end of the fixed shaft is positioned in the shell and fixedly connected with the guide pin; the spring is sleeved outside the fixed shaft and is positioned between the inner wall of the shell and the guide pin;
the shell is provided with a positioning hole I, and a positioning hole II is formed in a position, corresponding to the positioning hole I, of the metal filter screen; the other end of the guide pin penetrates through the positioning hole I and stretches into the positioning hole II.
2. The lightweight quick change screen for a deflector of claim 1, wherein a side of the grille facing the vent is provided with a grille ramp to which the metal screen is removably slidably mounted; the grid slide is provided with a locating hole III at a position corresponding to the locating hole I, and the guide pin sequentially penetrates through the locating hole I and the locating hole III to extend into the locating hole II.
3. The lightweight quick change screen for a current transformer according to claim 1, wherein the metal screen is provided with one of the spring pins on each side thereof.
4. The lightweight quick change screen for a power converter of claim 1, wherein said spring pull pin further comprises a pull rod; the L-shaped hole is formed in the side face of the shell, the pull rod penetrates through the L-shaped hole and is fixedly mounted on the guide pin, and the pull rod is used for driving the guide pin to move along the L-shaped hole and can be clamped in a groove of the L-shaped hole.
5. The lightweight quick change screen for a deflector of claim 1, wherein the middle of the grid is provided with a raised grid structure.
6. The light quick-change filter screen for a converter of claim 1, wherein a sealing rubber strip is arranged on the back surface of the sealing cover plate.
7. The lightweight quick change screen for a current transformer according to claim 1, wherein the swivel hinge includes a hole end and a shaft end; the shaft end is fixedly arranged on the sealing cover plate; the hole end is fixedly arranged on the grille and is rotationally connected with the shaft end.
8. The lightweight quick change screen for a current transformer according to claim 1, wherein a handle is fixedly installed on the metal screen.
9. The light quick-change filter screen for a converter according to claim 1, wherein the metal filter screen is a three-layer metal filter screen combined structure in which two mesh metal filter screens are alternately arranged.
10. The lightweight quick change screen for a current transformer according to claim 1, wherein the sealing cover plate, the grille, the housing, the metal screen and the rotary hinge are all made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322087412.0U CN220629164U (en) | 2023-08-04 | 2023-08-04 | Light quick-change filter screen for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322087412.0U CN220629164U (en) | 2023-08-04 | 2023-08-04 | Light quick-change filter screen for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220629164U true CN220629164U (en) | 2024-03-19 |
Family
ID=90233751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322087412.0U Active CN220629164U (en) | 2023-08-04 | 2023-08-04 | Light quick-change filter screen for converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220629164U (en) |
-
2023
- 2023-08-04 CN CN202322087412.0U patent/CN220629164U/en active Active
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