CN208247903U - Return air grid - Google Patents
Return air grid Download PDFInfo
- Publication number
- CN208247903U CN208247903U CN201820505246.8U CN201820505246U CN208247903U CN 208247903 U CN208247903 U CN 208247903U CN 201820505246 U CN201820505246 U CN 201820505246U CN 208247903 U CN208247903 U CN 208247903U
- Authority
- CN
- China
- Prior art keywords
- grid
- filter screen
- fixed frame
- return air
- steel wire
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of return air grids, belong to field of automobile air conditioner, it is intended to provide a kind of return air grid, its key points of the technical solution are that: the grid including being equipped with several ventilation holes, grid is equipped with the filter screen of covering ventilation hole away from the side in air inlet direction, and the spongy layer of covering ventilation hole is equipped between grid and filter screen；The utility model has the advantages that: before the impurity in in-vehicle air reaches filter screen by grid, the biggish impurity of particle can be adsorbed on spongy layer, therefore the blocked possibility of filter screen substantially reduces, to extend the cleaning frequency of filter screen.
Description
Technical field
The utility model relates to field of automobile air conditioner, in particular to a kind of return air grid.
Background technique
Currently, rail traffic is all being greatly developed in each big city, the comfort taken to rail vehicle passenger and interior installing
Meter has higher requirement.It is well known that air-conditioning is undoubtedly to provide a most important means of passenger's riding comfort, return air
The design and installation site of strainer are an important links in the especially built-in design of Air-conditioner design.
The patent of Chinese patent notification number CN205113345U discloses a kind of return air grid device of city rail vehicle air-conditioning,
Including return air strainer and installation return air grid in the car, the fixed F shape of Relative vertical is inserted on the return air grid two sides frame
Channel section, return air strainer are inserted into the slot of F shape slot profile, and the width of slot and the thickness of return air strainer frame match
It closes, return air grid is fixed in car body in loading board.But since environment inside car is second-rate, interior all size impurity is direct
It is adsorbed on the filter screen of this return air grid device, influences the rate of filtration of filter screen, so that the cleaning week of filter screen
Phase is shorter, extremely troublesome.
Utility model content
The purpose of the utility model is to provide a kind of return air grids, the advantage is that: particle is biggish miscellaneous in in-vehicle air
Matter can be adsorbed on spongy layer, to reduce the blocked possibility of filter screen, and then extend the cleaning week of filter screen
Phase.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of return air grid, packet
The grid equipped with several ventilation holes is included, the grid is equipped with the filter screen of covering ventilation hole away from the side in air inlet direction,
The spongy layer of covering ventilation hole is equipped between the grid and filter screen.
Through the above scheme, before the impurity in in-vehicle air reaches filter screen by grid, the biggish impurity of particle can
To be adsorbed on spongy layer, then filter screen is filtered to by the filtered primary air of spongy layer again, due to biggish miscellaneous
Matter is adsorbed on spongy layer, therefore the blocked possibility of filter screen substantially reduces, to extend the cleaning frequency of filter screen.
In addition, due to having more hole in spongy layer, even if larger impurity absorption, on spongy layer, in-vehicle air is still
It can be flow to filter screen by the hole in spongy layer, so that return air rate will not be greatly reduced.
Further, the grid periphery is equipped with the fixed frame being connected with car body, and the grid is wherein cut with scissors on one side
It connects on an inner side edge of fixed frame, the fixed frame is equipped with the fixing piece being fixed on grid on fixed frame.
Through the above scheme, when operator needs to clear up filter screen or spongy layer, touch fasteners are to grid first
Limitation, then turns on grid, so that grid is vertical with fixed frame, can conveniently remove filter screen or sea at this time
Continuous layer is cleaned.
Further, the fixing piece includes that zigzag shape fixinig plate of the fixed frame towards grid side is arranged in, described
Grid is equipped with while being threaded in the fixing bolt on grid and fixinig plate.
Through the above scheme, when needing fixed grating aperture plate, operator rotates grid towards fixed frame first, then tightens
Fixing bolt, so that quickly and easily grid is tightened on fixinig plate.
Further, the periphery of the grid be equipped with extend to fixed frame prolong side, it is described to prolong each of side and fixed frame
A inner wall fits.
Through the above scheme, a guiding role can be played when grid is transferred to fixed frame by prolonging side, and grid is transferred to
After in fixed frame, each inner wall of Yan Bian and fixed frame fits, so that movement of the grid relative to fixed frame is limited, into
And the possibility that grid generates shaking in vehicle travel process is reduced, the connection improved between grid and fixed frame is steady
It is qualitative.
Further, described one end for prolonging outlying aperture plate out of place is connected with several pressing plates, and the pressing plate deviates from filter screen
The side of grid is inconsistent.
Through the above scheme, filter screen can be pressed on grid by pressing plate, so that reducing filter screen is detached from grid
The possibility of plate improves the connective stability between filter screen and flase floor.
Further, the first steel wire, first steel wire are equipped with along the both sides of filter screen length direction in the filter screen
It is inconsistent with the side of pressing plate towards filter screen.
Through the above scheme, the rigidity of the first steel wire makes operator be easy to shakeout filter screen and filter screen is mounted on lattice
Between screen and pressing plate, and the first steel wire is easy to stress, strengthens pressing plate to the oppressive force of filter screen, further improved
Connective stability between strainer and flase floor.
Further, the second steel wire is equipped with along the both sides of filter screen width direction in the filter screen, two described second
Steel wire is connected with two the first steel wire endings.
Through the above scheme, the second steel wire and the first steel wire ending are connected to form steel wire frame, so that filter screen is always
It is kept for one and shakeouts state, when reflux power by in-vehicle air of spongy layer and filter screen, the second steel wire and the first steel wire can
To reduce filter screen away from the curved possibility of flase floor, so that the possibility that filter screen is detached from grid because of deformation is reduced,
Substantially increase the connective stability between filter screen and foam-rubber cushion and flase floor.
Further, the fixed frame is equipped with inclined-plane away from a lateral edge fixed frame outer peripheral edge of car body.
Through the above scheme, inclined-plane reduces the sharpness of fixed frame periphery, accidentally bumps against admittedly to reduce passenger
When determining frame, it is fixed the possibility of frame scuffing, and then reduces security risk.
To sum up, the utility model has the following beneficial effects:
1, before the impurity in in-vehicle air reaches filter screen by grid, the biggish impurity of particle can be adsorbed on sponge
On layer, the blocked possibility of filter screen is reduced, to extend the cleaning frequency of filter screen；
Even if 2, larger impurity absorption is on spongy layer, in-vehicle air still can flow to filtering by the hole in spongy layer
Net, to ensure that the return air rate of return air grid.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the structural schematic diagram that the present embodiment is used to embody fixing piece；
Fig. 3 is the structural schematic diagram that the present embodiment is used to embody spongy layer；
Fig. 4 is the structural schematic diagram that the present embodiment is used to embody filter screen.
In figure, 1, grid；11, ventilation hole；2, filter screen；3, spongy layer；4, fixed frame；5, fixing piece；51, fixed
Piece；52, fixing bolt；6, prolong side；7, pressing plate；8, steel wire frame；81, the first steel wire；82, the second steel wire；9, inclined-plane.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of return air grid, such as Fig. 1, including being fixedly connected with fixed frame 4 on the car body, fixed frame 4 deviates from the one of car body
4 outer peripheral edge of lateral edge fixed frame is equipped with inclined-plane 9, to reduce the sharpness of 4 periphery of fixed frame, reduces security risk.Fixed frame 4 its
In grid 1 is hinged on an inner side edge, grid 1 is equipped with several ventilation holes 11 entered for in-vehicle air.
Such as Fig. 2, fixed frame 4 is equipped with separate be fixed on fixed frame 4 on one side with 4 hinge joint of fixed frame of grid 1
Fixing piece 5.Fixing piece 5 includes the egative film being fixedly connected on fixed frame 4 along 4 inward flange of fixed frame, and egative film is towards grid 1
Side be fixedly connected with zigzag shape fixinig plate 51, there are two fixinig plate 51 is set along the length direction of grid 1.On grid 1
It is equipped with fixing bolt 52, it, can be same by fixing bolt 52 when operator, which rotates grid 1, keeps it inconsistent with fixinig plate 51
When be tightened on fixinig plate 51, and then efficiently grid 1 is fixed on fixed frame 4.Periphery on grid 1 is fixedly connected
What oriented fixed frame 4 extended prolongs side 6, when grid 1 is fixed on fixed frame 4, prolongs each inner wall phase of the side 6 with fixed frame 4
Fitting, so that fixed frame 4 can play a position-limiting action to side 6 is prolonged, and then reduces grid 1 in vehicle travel process
The possibility shaken is generated, the connective stability between grid 1 and fixed frame 4 is improved.
Such as Fig. 3, grid 1 is equipped with spongy layer 3 away from the side in air inlet direction, and spongy layer 3 is set away from the side of grid 1
There is filter screen 2, is fixedly connected with the pressing plate 7 that capable person's filter screen 2 is pressed on grid 1 on side 6 if prolonging.In-vehicle air is entering
When grid 1, the reflux power of air can make filter screen 2 and spongy layer 3 generate one away from the curved trend of flase floor,
This time delay side 6 can play a position-limiting action to filter screen 2, reduce filter screen 2 and spongy layer 3 is detached from the possibility of grid 1.
Such as Fig. 4, filter screen 2 is interior to be equipped with the first steel wire 81 along the both sides of 2 length direction of filter screen, edge filtering in filter screen 2
The both sides of 2 width direction of net are equipped with the second steel wire 82, and two second steel wires 82 and two the first steel wires 81 finish up the shape that is connected
At steel wire frame 8.Steel wire frame 8 makes filter screen 2 remain that is shakeout a state, to further reduce 2 He of filter screen
Spongy layer 3 generates the possibility for being bent and being detached from grid 1 under the action of air return power.
Installation process: when installation, operator first fills in spongy layer 3 between pressing plate 7 and grid 1, then will filtering
Net 2 is filled on one side between pressing plate 7 and grid 1, is slightly curved filter screen 2 at this time, and the second steel wire 82 has bullet by bending
Property restoring force, then fills in the another side of filter screen 2 between pressing plate 7 and grid 1, filter screen 2 is in the second steel wire 82 at this time
Elastic restoring force effect under shakeout again so that the side of the first steel wire 81 and pressing plate 7 towards filter screen 2 is inconsistent simultaneously
It is pressed on flase floor by pressing plate 7, filter screen 2 and spongy layer 3 are installed at this time.Operator, which is rotated further by grid 1, makes grid
Net 1 and fixinig plate 51 are inconsistent, and fixing bolt 52 is tightened on fixinig plate 51, complete the installation of grid 1.
The course of work: before impurity in in-vehicle air reaches filter screen 2 by grid 1, the biggish impurity of particle can be with
It is adsorbed on spongy layer 3, then filter screen 2 is filtered to by the filtered primary air of spongy layer 3 again, due to biggish miscellaneous
Matter is adsorbed on spongy layer 3, therefore the blocked possibility of filter screen 2 substantially reduces, to extend the cleaning week of filter screen 2
Phase.In addition, interior empty even if larger impurity absorption is on spongy layer 3 due to having more hole in spongy layer 3
Gas still can flow to filter screen 2 by the hole in spongy layer 3, so that return air rate will not be greatly reduced, optimize air return grille
The job stability of grid.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of return air grid, it is characterized in that: include the grid (1) equipped with several ventilation holes (11), grid (1) back
Side from air inlet direction is equipped with the filter screen (2) of covering ventilation hole (11), sets between the grid (1) and filter screen (2)
There is the spongy layer (3) of covering ventilation hole (11).
2. return air grid according to claim 1, it is characterized in that: the grid (1) periphery is equipped with and to be connected with car body
Fixed frame (4), the grid (1) are wherein hinged on one side on an inner side edge of fixed frame (4), on the fixed frame (4)
Equipped with the fixing piece (5) being fixed on grid (1) on fixed frame (4).
3. return air grid according to claim 2, it is characterized in that: the fixing piece (5) includes being arranged in fixed frame (4) court
To the zigzag shape fixinig plate (51) of grid (1) side, the grid (1) is equipped with while being threaded in grid (1)
With the fixing bolt (52) on fixinig plate (51).
4. return air grid according to claim 1, it is characterized in that: the periphery of the grid (1) is equipped with to fixed frame (4)
What is extended prolongs side (6), described to prolong side (6) and each inner wall of fixed frame (4) fits.
5. return air grid according to claim 4, it is characterized in that: prolong side (6) are connected far from the one end of grid (1)
Have several pressing plates (7), the pressing plate (7) is inconsistent away from the side of grid (1) with filter screen (2).
6. return air grid according to claim 5, it is characterized in that: along filter screen (2) length direction in the filter screen (2)
Both sides be equipped with the first steel wire (81), first steel wire (81) and the side of pressing plate (7) towards filter screen (2) are inconsistent.
7. return air grid according to claim 6, it is characterized in that: along filter screen (2) width direction in the filter screen (2)
Both sides be equipped with the second steel wire (82), two second steel wires (82) are finished up with two the first steel wires (81) to be connected.
8. return air grid according to claim 2, it is characterized in that: the fixed frame (4) is fixed away from a lateral edge of car body
Frame (4) outer peripheral edge is equipped with inclined-plane (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820505246.8U CN208247903U (en) | 2018-04-09 | 2018-04-09 | Return air grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820505246.8U CN208247903U (en) | 2018-04-09 | 2018-04-09 | Return air grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208247903U true CN208247903U (en) | 2018-12-18 |
Family
ID=64639320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820505246.8U Expired - Fee Related CN208247903U (en) | 2018-04-09 | 2018-04-09 | Return air grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208247903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013246A (en) * | 2021-11-23 | 2022-02-08 | 珠海格力电器股份有限公司 | Grid assembly, ventilation assembly and vehicle-mounted air conditioner |
-
2018
- 2018-04-09 CN CN201820505246.8U patent/CN208247903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013246A (en) * | 2021-11-23 | 2022-02-08 | 珠海格力电器股份有限公司 | Grid assembly, ventilation assembly and vehicle-mounted air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |