CN218805079U - Prevent return air grid of jam - Google Patents

Abstract

The utility model discloses a prevent return air grid of jam, the fruit pick-up device comprises a frame body, the inside first groove and the second of accomodating that is equipped with of framework accomodates the groove, the first inslot that accomodates is equipped with ventilation assembly, the inslot is accomodate to the second is equipped with filtering component, ventilation assembly includes the ventilating board, the ventilating board both sides are equipped with the fixed frame of first fixed frame and second respectively, first fixed frame is articulated with the framework, be equipped with the spliced pole between the fixed frame of first fixed frame and second, the spliced pole run through the ventilating board and with ventilating board sliding connection. The utility model discloses a set up connecting block and activity post, can fix the filter in the framework, can pull out the through-hole on the connecting block with the activity post when needs take off the filter and wash, easily take off the filter, prevented to adsorb too many impurity influence filtration efficiency on using the filter for a long time, through setting up first spring, spliced pole and ventilating board, can adsorb the impurity of great size usually on the ventilating board.

Description

Prevent return air grid of jam

Technical Field

The utility model relates to a return air grid technical field, concretely relates to prevent return air grid of jam.

Background

At present, rail transit is vigorously developed in all big cities, and higher requirements are placed on the riding comfort and the interior design of passengers of rail vehicles. As is well known, air conditioning is undoubtedly the most important means for providing passenger comfort, and the design and location of the return air filter screen is an important part of the air conditioning design, especially the interior design.

In the chinese patent that application number is 201820505246.8, disclosed a return air grid, belong to the vehicle air conditioner field, aim at providing a return air grid, its technical scheme main points are: the air purifier comprises a grille net provided with a plurality of ventilation holes, wherein a filter screen for covering the ventilation holes is arranged on one side of the grille net, which is far away from the air inlet direction, and a sponge layer for covering the ventilation holes is arranged between the grille net and the filter screen; the utility model has the advantages that: before impurities in air in the vehicle reach the filter screen through the grille net, impurities with large particles can be adsorbed on the sponge layer, so that the possibility of blockage of the filter screen is greatly reduced, and the cleaning period of the filter screen is prolonged.

In above-mentioned technical scheme, sponge layer and filter screen are difficult to be dismantled, use the too much large granule impurity that the sponge layer adsorbs for a long time to lead to ventilation efficiency to reduce.

Therefore, it is necessary to invent a blocking-proof return air grille to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent return air grid of jam, through setting up connecting block and activity post, can fix the filter in the framework, can pull out the through-hole on the connecting block with the activity post when the filter is washd to take off needs, light takes off the filter, it influences filtration efficiency to have prevented to adsorb too many impurity on the long-time filter of using, through setting up first spring, spliced pole and ventilating board, can adsorb the impurity of great size usually on the ventilating board, in the ventilation in-process, can blow the ventilating board when wind-force is great, take place the vibration under the effect of first spring on the spliced pole, thereby shake jumbo size impurity, prevent jumbo size impurity from adsorbing and blockking up ventilation hole influence ventilation efficiency on the ventilating board, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a blocking-proof return air grid comprises a frame body, wherein a first accommodating groove and a second accommodating groove are formed in the frame body, a ventilation assembly is arranged in the first accommodating groove, a filtering assembly is arranged in the second accommodating groove, the ventilation assembly comprises a ventilation plate, a first fixing frame and a second fixing frame are respectively arranged on two sides of the ventilation plate, the first fixing frame is hinged to the frame body, a connecting column is arranged between the first fixing frame and the second fixing frame, the connecting column penetrates through the ventilation plate and is in sliding connection with the ventilation plate, two ends of the connecting column are respectively fixedly connected with the first fixing frame and the second fixing frame, a first spring is arranged on the outer side of the connecting column, and two ends of the first spring are respectively fixedly connected with the second fixing frame and the ventilation plate;

the filter component comprises a filter plate, wherein one side of the filter plate is provided with a limiting frame, the limiting frame and the second accommodating groove are fixedly connected, one side of the filter plate is fixedly connected with a connecting block, one side of the first accommodating groove is provided with a connecting groove matched with the connecting block, one side of the connecting groove is provided with a movable groove, the movable groove is internally and slidably connected with a movable column, one end of the movable column is fixedly connected with a handle, the connecting block is provided with a through hole matched with the movable column, a second spring is arranged between the handle and a framework, and two ends of the second spring are respectively fixedly connected with the handle and the framework.

As the preferred scheme of the utility model, the quantity of spliced pole sets up to four, four spliced pole symmetric distribution.

As the utility model discloses a preferred scheme, the quantity of connecting block sets up to four, four the connecting block symmetric distribution, activity post one end sets up to the inclined plane.

As the preferred scheme of the utility model, the arc wall has been seted up to first groove one side of accomodating, the quantity of arc wall sets up to four, four arc wall symmetric distributions.

As the utility model discloses an optimal scheme, framework one side fixedly connected with fixed block, the quantity of fixed block sets up to two, first fixed frame one side fixedly connected with connecting piece, the quantity of connecting piece sets up to two, two be equipped with T type post between the connecting piece, T type post both ends are rotated with two connecting pieces respectively and are connected, T type post one end threaded connection has stop nut.

As the utility model discloses an optimal scheme, the ventilation hole has been seted up on the ventilating board, the quantity in ventilation hole sets up to a plurality ofly, a plurality of ventilation hole evenly distributed.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the filter plate can be fixed on the frame body by arranging the connecting block and the movable column, when the filter plate needs to be taken down for cleaning, the movable column can be pulled out of the through hole in the connecting block, the filter plate is easily taken down, too many impurities are prevented from being adsorbed on the filter plate after long-time use, and the filtering efficiency is prevented from being influenced;

2. can open the ventilating board through setting up T type post and stop nut, conveniently clear up the impurity that vibrations dropped, and make things convenient for taking out of filter, set up the arc wall and can prevent to find the impetus when taking out the filter, activity post one end sets up to the inclined plane and can utilize the pressure of connecting block to the activity post to impel the activity inslot with the activity post, simple installation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a first perspective view of the overall structure of the present invention;

FIG. 2 is a second perspective view of the overall structure of the present invention;

FIG. 3 is a schematic structural diagram of the frame body of the present invention;

fig. 4 is a schematic structural view of the ventilation assembly of the present invention;

FIG. 5 is a side view of the connecting post and the first spring of the present invention;

fig. 6 is a schematic structural diagram of the filter assembly of the present invention.

Description of reference numerals:

1. a frame body; 2. a first receiving groove; 3. a second receiving groove; 4. a ventilation assembly; 5. a filter assembly; 6. a ventilation board; 7. a first fixed frame; 8. a second fixed frame; 9. connecting columns; 10. a first spring; 11. a filter plate; 12. a limiting frame; 13. connecting blocks; 14. connecting grooves; 15. a movable groove; 16. a movable post; 17. a handle; 18. a through hole; 19. a second spring; 20. an arc-shaped slot; 21. a fixed block; 22. a connecting member; 23. a T-shaped column; 24. a limit nut; 25. a vent hole.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a prevent air return grid that blocks up as shown in fig. 1-6, including framework 1, framework 1 is inside to be equipped with first groove 2 and the second groove 3 of accomodating, be equipped with ventilation assembly 4 in the first groove 2 of accomodating, be equipped with filtering component 5 in the second groove 3 of accomodating, ventilation assembly 4 includes ventilating board 6, ventilating board 6 both sides are equipped with first fixed frame 7 and second fixed frame 8 respectively, first fixed frame 7 is articulated with framework 1, be equipped with spliced pole 9 between first fixed frame 7 and the second fixed frame 8, spliced pole 9 runs through ventilating board 6 and is connected with ventilating board 6 is sliding, spliced pole 9 both ends respectively with first fixed frame 7 and second fixed frame 8 fixed connection, the spliced pole 9 outside is equipped with first spring 10, first spring 10 both ends respectively with second fixed frame 8 and ventilating board 6 fixed connection;

filter assembly 5 includes filter 11, filter 11 one side is equipped with spacing frame 12, 3 fixed connection in groove are accomodate to spacing frame 12 and second, filter 11 one side fixedly connected with connecting block 13, first 2 one sides in groove of accomodating seted up with connecting block 13 assorted spread groove 14, movable groove 15 has been seted up to spread groove 14 one side, sliding connection has movable post 16 in the movable groove 15, 16 one end fixedly connected with of movable post handles 17, set up on connecting block 13 with 16 assorted through-holes 18 of movable post, be equipped with second spring 19 between handle 17 and the framework 1, second spring 19 both ends respectively with handle 17 and framework 1 fixed connection.

Further, in the above technical solution, the number of the connecting columns 9 is four, and the four connecting columns 9 are symmetrically distributed;

specifically, when the return air grille is in operation, the ventilation board 6 is blown to move on the connecting column 9 when wind power is large, the ventilation board 6 vibrates in a small amplitude under the action of the elasticity of the second spring 19, large-size impurities on the ventilation board 6 are shaken off, and the ventilation efficiency is prevented from being influenced by the blockage of the ventilation board 6.

Further, in the above technical solution, the number of the connecting blocks 13 is four, the four connecting blocks 13 are symmetrically distributed, and one end of the movable column 16 is set as an inclined plane;

specifically, when installing filter 11, put into the second and accomodate groove 3 with filter 11, thereby filter 11 puts into in-process connecting block 13 and the extrusion of activity post 16 and makes activity post 16 slide to activity groove 15, and when through-hole 18 removed activity post 16 one side, activity post 16 was because first spring 10 elastic action slided into through-hole 18 in, fixed filter 11.

Further, in the above technical solution, one side of the first accommodating groove 2 is provided with four arc-shaped grooves 20, and the four arc-shaped grooves 20 are symmetrically distributed;

specifically, when the filter plate 11 needs to be replaced, the limiting nut 24 is unscrewed, the ventilation plate 6 is opened, the movable column 16 is pulled out of the connecting block 13 by pulling the handle 17 outwards, and the filter plate 11 is taken out by using the arc-shaped groove 20 for cleaning or replacing.

Further, in the above technical solution, one side of the frame body 1 is fixedly connected with two fixing blocks 21, one side of the first fixing frame 7 is fixedly connected with two connecting pieces 22, two connecting pieces 22 are arranged, a T-shaped column 23 is arranged between the two connecting pieces 22, two ends of the T-shaped column 23 are respectively rotatably connected with the two connecting pieces 22, and one end of the T-shaped column 23 is connected with a limit nut 24 through a thread;

specifically, the ventilation plate 6 is closed, the T-shaped column 23 is rotated between the two fixing blocks 21, and the limiting nut 24 is rotated to be tightly abutted against the fixing blocks 21, so that the ventilation plate 6 can be fixed.

Further, in the above technical solution, the ventilation plate 6 is provided with a plurality of ventilation holes 25, and the plurality of ventilation holes 25 are uniformly distributed;

specifically, the ventilation holes 25 can adsorb large-sized impurities while ventilating, thereby preventing frequent replacement of the filter plate 11.

The utility model provides a pair of prevent return air grid of jam when using, its working process is:

when the filter plate 11 needs to be replaced, the limiting nut 24 is unscrewed, the ventilation plate 6 is opened, the movable column 16 is pulled out from the connecting block 13 by pulling the handle 17 outwards, the filter plate 11 is taken out by utilizing the arc-shaped groove 20 to be cleaned or replaced, when the cleaning is completed and the installation is finished, the filter plate 11 is placed into the second accommodating groove 3, the filter plate 11 is placed into the connecting block 13 and the movable column 16 in the process of being extruded, so that the movable column 16 slides into the movable groove 15, when the through hole 18 moves to one side of the movable column 16, the movable column 16 slides into the through hole 18 due to the elastic action of the first spring 10, the filter plate 11 is fixed, the ventilation plate 6 is closed, the T-shaped column 23 is rotated between the two fixing blocks 21, the limiting nut 24 and the fixing blocks 21 are rotated, the ventilation plate 6 can be fixed, when the return air grille works, the ventilation plate 6 is blown to move on the connecting column 9 when the wind power is large, the elastic action of the second spring 19 is matched, so that the ventilation plate 6 is small in amplitude, the vibration of the impurities on the ventilation plate 6 are shaken, and the ventilation plate 6 is prevented from being blocked.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides a prevent return air grid of jam, includes framework (1), its characterized in that: the improved ventilating frame is characterized in that a first accommodating groove (2) and a second accommodating groove (3) are formed in the frame body (1), a ventilating assembly (4) is arranged in the first accommodating groove (2), a filtering assembly (5) is arranged in the second accommodating groove (3), the ventilating assembly (4) comprises a ventilating plate (6), two sides of the ventilating plate (6) are respectively provided with a first fixing frame (7) and a second fixing frame (8), the first fixing frame (7) is hinged to the frame body (1), a connecting column (9) is arranged between the first fixing frame (7) and the second fixing frame (8), the connecting column (9) penetrates through the ventilating plate (6) and is in sliding connection with the ventilating plate (6), two ends of the connecting column (9) are respectively fixedly connected with the first fixing frame (7) and the second fixing frame (8), a first spring (10) is arranged on the outer side of the connecting column (9), and two ends of the first spring (10) are respectively fixedly connected with the second fixing frame (8) and the ventilating plate (6);

filter component (5) include filter (11), filter (11) one side is equipped with spacing frame (12), groove (3) fixed connection is accomodate with the second to spacing frame (12), filter (11) one side fixedly connected with connecting block (13), first groove (2) one side of accomodating seted up with connecting block (13) assorted spread groove (14), movable groove (15) have been seted up to spread groove (14) one side, sliding connection has movable post (16) in movable groove (15), movable post (16) one end fixedly connected with handle (17), set up on connecting block (13) with movable post (16) assorted through-hole (18), be equipped with second spring (19) between handle (17) and framework (1), second spring (19) both ends respectively with handle (17) and framework (1) fixed connection.

2. An anti-clogging return air grille according to claim 1 further characterized by: the number of the connecting columns (9) is four, and the four connecting columns (9) are symmetrically distributed.

3. An anti-clogging return air grill as set forth in claim 1, wherein: the number of the connecting blocks (13) is four, the connecting blocks (13) are symmetrically distributed, and one end of each movable column (16) is an inclined plane.

4. An anti-clogging return air grille according to claim 1 further characterized by: arc wall (20) have been seted up to first groove (2) one side of accomodating, the quantity of arc wall (20) sets up to four, four arc wall (20) symmetric distribution.

5. An anti-clogging return air grill as set forth in claim 1, wherein: framework (1) one side fixedly connected with fixed block (21), the quantity of fixed block (21) sets up to two, first fixed frame (7) one side fixedly connected with connecting piece (22), the quantity of connecting piece (22) sets up to two, two be equipped with T type post (23) between connecting piece (22), T type post (23) both ends rotate with two connecting pieces (22) respectively and are connected, T type post (23) one end threaded connection has stop nut (24).

6. An anti-clogging return air grill as set forth in claim 1, wherein: ventilation hole (25) have been seted up on ventilating board (6), the quantity of ventilation hole (25) sets up to a plurality ofly, a plurality of ventilation hole (25) evenly distributed.

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