CN220721055U - Ventilation grid assembly - Google Patents
Ventilation grid assembly Download PDFInfo
- Publication number
- CN220721055U CN220721055U CN202322360130.3U CN202322360130U CN220721055U CN 220721055 U CN220721055 U CN 220721055U CN 202322360130 U CN202322360130 U CN 202322360130U CN 220721055 U CN220721055 U CN 220721055U
- Authority
- CN
- China
- Prior art keywords
- air deflector
- outer frame
- dust
- supporting
- ventilation grille
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 40
- 239000000428 dust Substances 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a ventilation grille assembly, which comprises an outer frame connected with a high-speed railway carriage, a plurality of air deflectors arranged in the outer frame and connected with the outer frame, wherein the air deflectors are arranged in an L shape, the included angles of the air deflectors face to the outer side, the air deflectors are arranged at intervals, and a ventilation opening is arranged between two adjacent air deflectors; the air guide plate comprises an outer frame and an air guide plate, wherein a supporting piece for supporting the air guide plate is arranged between the outer frame and the air guide plate, the supporting piece is connected with the outer frame, and the air guide plate is abutted to or fixedly connected with the supporting piece. The ventilation grille assembly is reasonable in structure, disperses the force of wind resistance on the air deflector, reduces vibration of the air deflector, and prolongs the service life of the air deflector.
Description
Technical Field
The utility model relates to the technical field of high-speed rails, in particular to a ventilation grille assembly.
Background
The ventilation grille assembly is an important component part of the vehicle system equipment integration room, and the rest parts except the ventilation grille are airtight around the equipment at the lower part of the high-speed railway carriage. The function of the ventilation grille is therefore: in the running process of the high-speed rail, heat generated by equipment and the outside are ensured to be subjected to heat exchange, and the requirements of ventilation and heat dissipation, the requirements of preventing rain, snow, foreign matters and the like from entering the equipment and the requirements of strength and rigidity in the high-speed running are met.
The common structure of the ventilation grille in the prior art is generally formed by combining a ventilation grille cover plate, a shutter type ventilation grille and a supporting device, wherein blades which are obliquely installed are arranged on the shutter type ventilation grille, and the shutter type ventilation grille and the cover plate are riveted to form the ventilation grille. The disadvantage of the ventilation grille is that in a vehicle system running at a high speed, the ventilation grille is rigidly connected to the vehicle body structure, wind is directly beaten on the louver, the louver Yi Wanqu has poor anti-seismic performance, the service life of the louver is short, and larger structural vibration noise is easy to generate.
Accordingly, there is a need for an improvement in the art ventilation grille assemblies.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a ventilation grille assembly which disperses the force of wind resistance on an air deflector, reduces the vibration of the air deflector and prolongs the service life of the air deflector.
In order to achieve the technical effects, the technical scheme of the utility model is as follows: the ventilation grille assembly comprises an outer frame connected with a high-speed railway carriage, and a plurality of air deflectors which are arranged in the outer frame and connected with the outer frame, wherein the air deflectors are arranged in an L shape, the included angles of the air deflectors face to the outer side, a plurality of air deflectors are arranged at intervals, and a ventilation opening is arranged between every two adjacent air deflectors; the air guide plate comprises an outer frame and an air guide plate, wherein a supporting piece for supporting the air guide plate is arranged between the outer frame and the air guide plate, the supporting piece is connected with the outer frame, and the air guide plate is abutted to or fixedly connected with the supporting piece.
The preferable technical scheme is that the dust collecting device further comprises a plurality of dust collecting plates which are arranged in the outer frame and connected with the outer frame, wherein the dust collecting plates are arranged on the inner sides opposite to the air deflector, the dust collecting plates are provided with windward inclined planes, the windward inclined planes are arranged at intervals with the side walls of the air deflector and are opposite to each other, two dust collecting grooves are formed by intersecting the windward inclined planes, and the dust collecting grooves face the ventilation openings.
The preferable technical scheme is that the supporting piece comprises supporting strips connected with the outer frame, the supporting strips are clamped between the air deflector and the dust-proof plate, the air deflector is propped against the supporting strips, and the supporting strips are propped against the dust-proof plate.
The preferable technical scheme is that the air deflector, the supporting bars and the dust-proof plate are detachably and fixedly connected with the outer frame.
The preferable technical scheme is that the inner side wall of the outer frame is provided with a limit groove for supporting the dust-blocking plate, and the inner side wall of the limit groove and the outer side wall of the dust-blocking plate are arranged along with the shape.
The preferred technical scheme is, the inside wall of frame is provided with and is used for placing the supporting groove of support bar, the tip limit of support bar is located in the supporting groove, the tank bottom of supporting groove with the top of dust blocking plate flushes mutually and sets up.
The preferable technical scheme is that the inner side wall of the outer frame is provided with a limiting protrusion for supporting the air deflector, the limiting protrusion and the inner side wall of the air deflector are arranged along with the shape, and the distance from the top end of the limiting protrusion to the plane where the bottom of the supporting groove is located is equal to the sum of the height of the air deflector and the thickness of the supporting bar.
The preferable technical scheme is that the outer frame is fixedly provided with an abutting strip, and the abutting strip is abutted to the bottom surface of the dust-blocking plate.
The preferable technical scheme is that the dust-proof plate comprises a dust-proof plate, a support bar and an air deflector, wherein the dust-proof plate is fixedly provided with a support protrusion which is abutted to the support bar and the air deflector, and the cover plate is fixedly connected with the outer frame in a detachable mode.
The preferable technical scheme is that the cover plate is fixedly provided with a limiting strip for assisting in fixing the air deflector, the limiting strip is attached to the air deflector, and the air deflector is clamped between the limiting strip and the supporting strip.
The utility model has the advantages and beneficial effects that: the ventilation grille assembly is reasonable in structure, and the impact of air flow is split by arranging the L-shaped air deflector and the supporting piece, so that the force of wind resistance on the air deflector is dispersed; the support piece supports the air deflector, reduces vibration of the air deflector, and prolongs service life of the air deflector.
Drawings
FIG. 1 is a schematic view of an embodiment of a ventilation grille assembly in accordance with the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 2;
FIG. 5 is a schematic view of the air deflector, support bar, dust barrier against each other;
FIG. 6 is a schematic structural view of the outer frame;
FIG. 7 is a schematic view of the structure of the cover plate in a bottom view;
in the figure: 1. an outer frame; 11. a limit groove; 12. a support groove; 13. a limit protrusion; 14. an abutment bar; 2. an air deflector; 21. a vent; 3. dust-blocking plate; 31. a windward slope; 32. a dust collecting tank; 4. a support bar; 5. a cover plate; 51. the abutting bulge; 52. and a limit strip.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Examples
As shown in fig. 1 to 7, the ventilation grille assembly of the embodiment comprises an outer frame 1 connected with a high-speed railway carriage, and a plurality of air deflectors 2 arranged in the outer frame 1 and connected with the outer frame 1, wherein the air deflectors 2 are arranged in an L shape with included angles facing the outer side, a plurality of air deflectors 2 are arranged at intervals, and a ventilation opening 21 is arranged between two adjacent air deflectors 2; the air deflector is characterized in that a supporting piece for supporting the air deflector 2 is arranged between the outer frame 1 and the air deflector 2, the supporting piece is connected with the outer frame 1, and the air deflector 2 is abutted to or fixedly connected with the supporting piece.
Through the design, the L-shaped air guide plate 2 has the outward included angle, and when the air flow hits the air guide plate 2, the air flow is split to two sides, compared with the shutter type air guide plate in the prior art, the impact force of the air flow borne by the L-shaped air guide plate is reduced, so that the vibration of the air guide plate 2 is reduced, and the service life of the air guide plate 2 is prolonged; the supporting piece supports and limits the air deflector 2, and vibration of the air deflector 2 is further reduced.
Further, the dust collecting device further comprises a plurality of dust collecting plates 3 which are arranged in the outer frame 1 and connected with the outer frame 1, the dust collecting plates 3 are arranged on the inner sides opposite to the air deflector 2, the dust collecting plates 3 are provided with windward inclined planes 31, the windward inclined planes 31 are arranged at intervals with the side walls of the air deflector 2 and are opposite to each other, two windward inclined planes 31 intersect to form dust collecting grooves 32, and the dust collecting grooves 32 face the ventilation openings 21.
Through the design, the entry of foreign matters such as dust, rain and snow into the equipment room can be reduced, and the equipment room is protected.
Specifically, the support piece includes with support bar 4 that frame 1 links to each other, support bar 4 presss from both sides and locates between aviation baffle 2 and the dust blocking plate 3, aviation baffle 2 with support bar 4 offsets the setting, support bar 4 with the dust blocking plate 3 offsets the setting.
Through such design, hinder dirt board 3, support bar 4, aviation baffle 2 butt each other can regard as a whole, only need fix one of them, can realize holistic fixed, improved assembly efficiency.
Further, the air deflector 2, the support bar 4 and the dust-proof plate 3 are detachably and fixedly connected with the outer frame 1.
Through such design, be convenient for aviation baffle 2, support bar 4, hinder dirt board 3 dismantlement washing, improve ventilation grid assembly's life.
Specifically, the inside wall of frame 1 is provided with and is used for supporting spacing sunken 11 of hinder dirt board 3, spacing sunken 11's inside wall with hinder the lateral wall follow-up setting of dirt board 3.
Through such design, the purpose of spacing in the horizontal direction of the dust-proof plate 3 is realized.
Specifically, the inside wall of frame 1 is provided with and is used for placing the supporting groove 12 of support bar 4, the tip of support bar 4 is limited to be located in supporting groove 12, the tank bottom of supporting groove 12 with the top of hinder dirt board 3 flushes and sets up.
Through the design, the limit of the support bar 4 in the horizontal direction is realized, and the support bar 4 is propped against the dust blocking plate 3 when the support bar 4 is assembled in place.
Specifically, the inside wall of frame 1 is provided with and is used for supporting spacing protruding 13 of aviation baffle 2, spacing protruding 13 with the inside wall of aviation baffle 2 is along with the shape setting, the top of spacing protruding 13 extremely the distance of the tank bottom place plane of supporting slot 12 equals aviation baffle 2 height with the thickness sum of support bar 4.
Through the design, the limit of the air deflector 2 in the horizontal direction is realized, and the air deflector 2 is propped against the support bars 4 when the air deflector 2 is assembled in place.
Further, the outer frame 1 is fixedly provided with an abutment bar 14, and the abutment bar 14 is abutted against the bottom surface of the dust-proof plate 3.
Through such design, further spacing fixed to hinder dirt board 3, hinder dirt board 3 wind hinders the impact force and transmits on butt strip 14, reduces the vibration that hinders dirt board 3.
Specifically, the dust-proof plate further comprises a cover plate 5 for limiting and fixing the dust-proof plate 3, the support bars 4 and the air deflector 2, the cover plate 5 is fixedly provided with a butt protrusion 51 which abuts against the support bars 4 and the air deflector 2, and the cover plate 5 is fixedly connected with the outer frame 1 in a detachable mode.
Through the design, the limit of the air deflector 2 in the vertical direction is realized, so that the position of the air deflector 2 is fixed, and correspondingly, the positions of the support bars 4 and the dust-blocking plate 3 are synchronously limited and fixed; the cover plate 5 is detachably and fixedly connected, for example, the cover plate 5 is fixed on the outer frame 1 through bolts, so that the cover plate 5 is convenient to detach, and the dust blocking plate 3, the support bars 4 and the air deflector 2 are detached and cleaned.
Further, the cover plate 5 is fixedly provided with a limiting strip 52 for assisting in fixing the air deflector 2, the limiting strip 52 is attached to the air deflector 2, and the air deflector 2 is clamped between the limiting strip 52 and the supporting strip 4.
Through such design, the middle section of aviation baffle 2 is spacing fixed to spacing 52 and support bar 4 cooperatees, avoids the middle section of aviation baffle 2 to produce the vibration because of unsettled unlimited.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The utility model provides a ventilation grid subassembly, its characterized in that includes frame (1) that links to each other with the high-speed railway carriage, set up in frame (1) and with a plurality of aviation baffle (2) that frame (1) links to each other, aviation baffle (2) are L shape setting and its contained angle towards the outside, a plurality of aviation baffle (2) interval setting is provided with vent (21) between two adjacent aviation baffle (2); the air deflector is characterized in that a supporting piece for supporting the air deflector (2) is arranged between the outer frame (1) and the air deflector (2), the supporting piece is connected with the outer frame (1), and the air deflector (2) is abutted to or fixedly connected with the supporting piece.
2. The ventilation grille assembly according to claim 1, further comprising a plurality of dust-blocking plates (3) arranged in the outer frame (1) and connected with the outer frame (1), wherein the dust-blocking plates (3) are arranged on opposite inner sides of the air deflector (2), the dust-blocking plates (3) are provided with windward inclined planes (31), the windward inclined planes (31) are spaced from and oppositely arranged with side walls of the air deflector (2), two windward inclined planes (31) intersect to form a dust collecting groove (32), and the dust collecting groove (32) faces the ventilation opening (21).
3. A ventilation grille assembly according to claim 2, characterized in that the support comprises a support bar (4) connected to the outer frame (1), the support bar (4) being sandwiched between the air deflector (2) and the dust-blocking plate (3), the air deflector (2) being arranged against the support bar (4), the support bar (4) being arranged against the dust-blocking plate (3).
4. A ventilation grille assembly according to claim 3, characterized in that the air deflector (2), the support bars (4) and the dust-blocking plate (3) are fixedly connected with the outer frame (1) in a detachable manner.
5. The ventilation grille assembly according to claim 4, wherein the inner side wall of the outer frame (1) is provided with a limiting recess (11) for supporting the dust-blocking plate (3), and the inner side wall of the limiting recess (11) and the outer side wall of the dust-blocking plate (3) are arranged in a conformal manner.
6. The ventilation grille assembly according to claim 5, characterized in that the inner side wall of the outer frame (1) is provided with a supporting groove (12) for placing the supporting bar (4), the end of the supporting bar (4) is limited in the supporting groove (12), and the bottom of the supporting groove (12) is arranged flush with the top of the dust-blocking plate (3).
7. The ventilation grille assembly according to claim 6, wherein the inner side wall of the outer frame (1) is provided with a limit protrusion (13) for supporting the air deflector (2), the limit protrusion (13) and the inner side wall of the air deflector (2) are arranged along the shape, and the distance from the top end of the limit protrusion (13) to the plane of the bottom of the supporting groove (12) is equal to the sum of the height of the air deflector (2) and the thickness of the supporting bar (4).
8. A ventilation grille assembly according to claim 5, characterized in that said outer frame (1) is fixedly provided with abutment bars (14), said abutment bars (14) being arranged against the bottom surface of said dust-blocking plate (3).
9. The ventilation grille assembly according to claim 7, further comprising a cover plate (5) for limiting and fixing the dust-blocking plate (3), the support bars (4) and the air deflector (2), wherein the cover plate (5) is fixedly provided with an abutment protrusion (51) which abuts against the support bars (4) and the air deflector (2), and the cover plate (5) is fixedly connected with the outer frame (1) in a detachable manner.
10. The ventilation grille assembly according to claim 9, characterized in that the cover plate (5) is fixedly provided with a limit bar (52) for assisting in fixing the air deflector (2), the limit bar (52) is attached to the air deflector (2), and the air deflector (2) is clamped between the limit bar (52) and the support bar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360130.3U CN220721055U (en) | 2023-08-31 | 2023-08-31 | Ventilation grid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360130.3U CN220721055U (en) | 2023-08-31 | 2023-08-31 | Ventilation grid assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220721055U true CN220721055U (en) | 2024-04-05 |
Family
ID=90503001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322360130.3U Active CN220721055U (en) | 2023-08-31 | 2023-08-31 | Ventilation grid assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220721055U (en) |
-
2023
- 2023-08-31 CN CN202322360130.3U patent/CN220721055U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |