CN218489431U - Ventilation grid and vehicle - Google Patents

Abstract

The utility model discloses provide a ventilation grid and vehicle in real time, relate to vehicle technical field. Wherein the vehicle includes the ventilation grid, and the ventilation grid includes installing frame, baffle and ventilation grid body. The mounting frame has first vent and the second vent that is linked together, and wherein the baffle is connected with the one end that the mounting frame is close to first vent, and the baffle can rotate relative to the mounting frame to open or close first vent, the ventilation grid body is connected with the one end that the mounting frame is close to first vent, and the second vent is kept away from to the relative baffle of ventilation grid body, and the ventilation grid body supports with the baffle counterbalance. The back door is closed, the baffle is jacked up, and the baffle can close the first vent after the air pressure in the carriage is balanced with the external air pressure, so that external impurities are prevented from entering the carriage.

Description

Ventilation grid and vehicle

Technical Field

The utility model relates to a vehicle technical field particularly, relates to a ventilation grid and vehicle.

Background

With the development of the logistics transportation industry, more and more cargo compartment commercial vehicles play a great role in the logistics transportation industry and have an irreplaceable position, wherein the cargo compartment vehicles in the form of back-lift doors are very common. When the back door is closed, the back door of the cargo compartment car in a back-lift door mode needs a certain force to quickly press down the back door to be automatically locked, so that the air pressure in the cargo compartment quickly rises, the resistance is larger when the back door is closed, and the use feeling is poor. To solve the above problems, a cargo box car in the form of a back-lift door often has ventilation grilles disposed in appropriate positions in the car.

The inventor researches and discovers that after the ventilation grating is arranged, although the air pressure inside and outside the cargo compartment can be balanced when the back door is closed, impurities such as water, silt and the like enter the vehicle body from the ventilation grating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation grid, it includes installing frame, baffle and ventilation grid body. The mounting frame has first vent and the second vent that is linked together, and wherein the baffle is connected with the one end that the mounting frame is close to first vent, and the baffle can rotate relative to the mounting frame to open or close first vent, the ventilation grid body is connected with the one end that the mounting frame is close to first vent, and the second vent is kept away from to the relative baffle of ventilation grid body, and the ventilation grid body supports with the baffle counterbalance. When this ventilation grid sets up on the vehicle, and the relative first vent in second vent keeps away from the carriage inside, when closing the back door, the atmospheric pressure in the carriage is higher than outside atmospheric pressure, and the baffle can be taken place to rotate by the air current jack-up to open first vent, the inside air current in carriage can take place to exchange through ventilation grid body, first vent and second vent and outside this moment, and then make atmospheric pressure balanced, back door closed back, the baffle can be relative the installing frame and rotate in order to close first vent, avoid external impurity to get into the carriage.

The embodiment of the utility model is realized like this:

in a first aspect, the present invention provides a ventilation grille, comprising:

the mounting frame is provided with a first ventilation opening and a second ventilation opening which are communicated;

the baffle plate is connected with one end, close to the first vent, of the mounting frame, and can rotate relative to the mounting frame to open or close the first vent;

the ventilation grid body, the ventilation grid body is connected with the one end that the installing frame is close to first vent, and the second vent is kept away from to the baffle of ventilation grid body, and the ventilation grid body offsets with the baffle and holds.

In an optional embodiment, an insertion sheet is arranged on one side, close to the first ventilation opening, of the mounting frame, the insertion sheet extends along one end, far away from the second ventilation opening, and the baffle is provided with a mounting opening for mounting the insertion sheet.

In an optional embodiment, the number of the insertion pieces is two, the two insertion pieces are arranged at intervals in the width direction of the installation frame, and the baffle is provided with two installation openings.

In an optional embodiment, the mounting frame comprises a top plate, a bottom plate, a first side plate and a second side plate, two sides of the first side plate are respectively connected with the top plate and the bottom plate, two sides of the second side plate are respectively connected with the top plate and the bottom plate, the top plate, the bottom plate, the first side plate and the second side plate jointly define a first ventilation opening and a second ventilation opening which are located on two sides of the mounting frame, the end portion of the baffle is rotatably connected with the top plate, and the ventilation grille body is simultaneously connected with the first side plate and the second side plate.

In an optional embodiment, the ventilation grille body is connected with the bottom plate in an included angle mode, the arrangement direction of the second ventilation openings towards the first ventilation openings is a preset direction, and the included angle between the ventilation grille body and the bottom plate in the preset direction is an acute angle.

In an optional implementation mode, the ventilation grille body comprises a grid plate, a first grid strip and a second grid strip, the first grid strip and the second grid strip are connected with the grid plate, the grid plate is provided with vent holes communicated with the first vent holes, two ends of the first grid strip are connected with the inner walls of the vent holes, two ends of the second grid strip are connected with the inner walls of the vent holes, and the first grid strip and the second grid strip are connected in an included angle.

In an alternative embodiment, the number of the first grill is one, and the number of the second grill is one.

In an optional implementation manner, the first grid bars penetrate through the second grid bars, the vent holes are provided with a first inner wall, a second inner wall, a third inner wall and a fourth inner wall which are sequentially connected end to end, two ends of the first grid bars are respectively connected with the first inner wall and the third inner wall, and two ends of the second grid bars are respectively connected with the second inner wall and the fourth inner wall.

In an alternative embodiment, the first and second grill bars are perpendicular to each other.

In a second aspect, the present invention provides a vehicle comprising a ventilation grille of any one of the preceding embodiments.

The embodiment of the utility model provides a beneficial effect is: the embodiment of the utility model provides a pair of ventilation grid includes installing frame, baffle and ventilation grid body. The mounting frame has first vent and the second vent that is linked together, and wherein the baffle is connected with the one end that the mounting frame is close to first vent, and the baffle can rotate relative to the mounting frame to open or close first vent, the ventilation grid body is connected with the one end that the mounting frame is close to first vent, and the second vent is kept away from to the relative baffle of ventilation grid body, and the ventilation grid body supports with the baffle counterbalance. The back door is closed, the baffle is jacked up, and the baffle can close the first vent after the air pressure in the carriage is balanced with the external air pressure, so that external impurities are prevented from entering the carriage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural view of a ventilation grille according to an embodiment of the present invention.

1-ventilating grille; 10-mounting a frame; 11-a first side panel; 12-a second side panel; 13-a top plate; 14-a base plate; 15-a first vent; 16-a second vent; 17-an insert sheet; 20-a baffle plate; 21-a mounting port; 30-a ventilation grille body; 31-a grid; 32-a vent hole; 33-a first grid; 34-second grid.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes in detail a specific structure of a ventilation grille and the corresponding technical effects brought by the same provided by the embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, a ventilation grille 1 according to an embodiment of the present invention includes a mounting frame 10, a baffle 20, and a ventilation grille body 30.

Wherein the installing frame 10 has first vent 15 and the second vent 16 that are linked together, and wherein baffle 20 is connected with the installing frame near the one end of first vent 15, and baffle 20 can rotate relative to installing frame 10 to open or close first vent 15, and ventilation grid body 30 is connected with the one end that the installing frame is close to first vent 15, and ventilation grid body 30 keeps away from second vent 16 relative to baffle 20, and ventilation grid body 30 supports with baffle 20.

It should be noted that, when the ventilation grille 1 is installed on a vehicle, the second ventilation opening 16 is far away from the interior of the vehicle cabin relative to the first ventilation opening 15, so that when the back-up door is closed, the air pressure in the vehicle cabin is higher than the external air pressure, the baffle plate 20 is jacked up by the air flow and rotates to open the first ventilation opening 15, at this time, the air flow in the vehicle cabin can exchange with the external air flow through the ventilation grille body 30, the first ventilation opening 15 and the second ventilation opening 16, so that the air pressure is balanced, and after the back-up door is closed, the baffle plate 20 can rotate relative to the mounting frame 10 to close the first ventilation opening 15, thereby preventing external impurities from entering the vehicle cabin.

Further, in the present embodiment, the mounting frame 10 includes a top plate 13, a bottom plate 14, a first side plate 11 and a second side plate 12. The two sides of the first side plate 11 are respectively connected with the top plate 13 and the bottom plate 14, the two sides of the second side plate 12 are respectively connected with the top plate 13 and the bottom plate 14, and the top plate 13, the bottom plate 14, the first side plate 11 and the second side plate 12 jointly define a first ventilation opening 15 and a second ventilation opening 16 which are located on the two sides of the first side plate 11.

Specifically, in the present embodiment, two opposite sides of the top plate 13 are connected to the first side plate 11 and the second side plate 12, respectively, and two opposite sides of the bottom plate 14 are connected to the first side plate 11 and the second side plate 12, respectively. The first ventilation opening 15 and the second ventilation opening 16 are respectively located on two opposite sides of the top plate 13, which are not connected with the first side plate 11 and the second side plate 12. Wherein the end of the baffle 20 is rotatably connected with the top plate 13, and the ventilation grille body 30 is simultaneously connected with the first side plate 11 and the second side plate 12.

Furthermore, the ventilation grille body 30 is connected with the bottom plate 14 at an included angle, the arrangement direction of the second ventilation openings 16 facing the first ventilation openings 15 is a preset direction, and the included angle between the ventilation grille body 30 and the bottom plate 14 in the preset direction is an acute angle. Therefore, after the interior of the vehicle cabin is balanced with the external air pressure, the lifted baffle plate 20 is rotated to close the first ventilation opening 15 due to the gravity. The baffle 20 is ensured to close the first ventilation opening 15 in time, thereby preventing external impurities from entering the carriage.

It should be noted that, in the present embodiment, the baffle 20 is a thin sheet made of rubber material, and since the baffle 20 is made of rubber material and has certain flexibility, the baffle 20 can be easily lifted by the airflow when the vehicle door is closed, although in some other embodiments, the baffle 20 may also be made of other materials, and the material of the baffle 20 is not limited herein.

In this embodiment, the side of the mounting frame 10 close to the first ventilation opening 15 is provided with an insertion sheet 17, specifically, the side of the top plate 13 not connected to the first side plate 11 and the second side plate 12 and close to the first ventilation opening 15 is provided with an insertion sheet 17, the insertion sheet 17 extends along an end far away from the second ventilation opening 16, and the baffle plate 20 is provided with a mounting opening 21 for mounting the insertion sheet 17. The baffle 20 is inserted into the insert 17 through the mounting opening 21. Because the ventilation grille body 30 is connected to the mounting frame 10 and the ventilation grille body 30 is far away from the second ventilation opening 16 relative to the baffle plate 20, after the baffle plate 20 abuts against the ventilation grille body 30, the ventilation grille body 30 can limit the baffle plate 20 to continue to rotate towards the preset direction. The baffle plate 20 is ensured not to be separated from the mounting frame 10.

Further, the number of the insertion pieces 17 is two, and the two insertion pieces 17 are arranged at intervals along the width direction of the mounting frame 10. That is, the two inserting pieces 17 are provided at intervals in the width direction of the top plate 13. Accordingly, in order to ensure the assembly of the baffle plate 20 with the mounting frame 10, two mounting openings 21 are provided on the baffle plate 20. I.e. two insertion tabs 17, through two mounting openings 21.

Of course, in some other embodiments, the number of the inserting pieces 17 is not limited to two, and may be other numbers as long as the baffle 20 can be smoothly installed on the installation frame 10.

Further, the ventilation grille body 30 includes a grille panel 31, and a first grille strip 33 and a second grille strip 34 connected to the grille panel 31, and the grille panel 31 is provided with a vent hole 32 for communicating with the first vent hole 15. It will be appreciated that when the tailgate is closed, the first ventilation opening 15 is now in communication with the ventilation openings 32 of the louvers 31 after the flap 20 is lifted. The two ends of the first grid bars 33 are connected with the inner wall of the vent hole 32, the two ends of the second grid bars 34 are connected with the inner wall of the vent hole 32, and the first grid bars 33 are connected with the second grid bars 34 at included angles.

Further, in the present embodiment, the vent hole 32 is a rectangular hole. Of course, in some other embodiments, the vent 32 may have other shapes, and the shape of the vent 32 is not particularly limited. The vent hole 32 has a first inner wall, a second inner wall, a third inner wall, and a fourth inner wall connected end to end in this order. The two ends of the first grid 33 are connected with the first inner wall and the third inner wall respectively, and the two ends of the second grid 34 are connected with the second inner wall and the fourth inner wall respectively. And the first grid 33 is disposed through the second grid 34. It is easy to understand that the whole of the ventilation hole 32 can be divided into a plurality of small holes by the arrangement of the first and second grill bars 33 and 34.

In the present embodiment, the number of the first grill 33 is one, and the number of the second grill 34 is one. That is, a first grill 33 and a second grill 34 can divide the vent hole 32 into four small holes. In the prior art, the ventilation grille 1 has a plurality of bars, and the gaps between the bars arranged in the same way are small, so that the ventilation grille 1 increases the complexity of the mold structure, and the mold stripping is not smooth due to mold sticking when the product is produced and stripped, thereby increasing the rejection rate and finally increasing the cost.

In the present embodiment, however, only one first grid 33 is provided, and only one second grid 34 is provided. The number of the grid bars is reduced, the structure of the ventilation grid body 30 is simplified, and therefore the ventilation grid body 30 can be guaranteed to avoid die sticking caused by excessive grid bars when being demoulded, the rejection rate is further reduced, and the cost of producing the ventilation grid body 30 is guaranteed.

In the present embodiment, the first grid bars 33 and the second grid bars 34 are perpendicular to each other. Of course, in some other embodiments, the first bars 33 and the second bars 34 are not limited to being perpendicular to each other, and may be connected at other angles. The angle formed by the connection of the first grid 33 and the second grid 34 is not particularly limited.

The embodiment of the utility model provides a vehicle is still provided, and this vehicle includes foretell ventilation grille 1.

To sum up, the embodiment of the present invention provides a ventilation grille 1 including an installation frame 10, a baffle 20 and a ventilation grille body 30. The mounting frame 10 has first vent 15 and the second vent 16 that are linked together, and wherein baffle 20 is connected with the mounting frame near the one end of first vent 15, and baffle 20 can rotate relative to the mounting frame 10 to open or close first vent 15, and ventilation grid body 30 is connected with the mounting frame near the one end of first vent 15, and ventilation grid body 30 keeps away from second vent 16 relative to baffle 20, and ventilation grid body 30 supports with baffle 20. When the ventilation grid 1 is installed in the back-up compartment of vehicle, when closing the back-up door, the atmospheric pressure in the compartment is higher than outside atmospheric pressure, and baffle 20 can be rotated by the air current jack-up emergence to open first vent 15, and the inside air current in carriage can be through ventilation grid body 30, first vent 15 and second vent 16 and outside emergence exchange this moment, and then makes atmospheric pressure balanced, and back-up door is closed back, and baffle 20 can rotate in order to close first vent 15 by relative installing frame 10, in order to avoid external impurity to get into the compartment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A ventilation grille, comprising:

the mounting frame is provided with a first ventilation opening and a second ventilation opening which are communicated;

the baffle plate is connected with one end, close to the first ventilation opening, of the mounting frame, and can rotate relative to the mounting frame to open or close the first ventilation opening;

the ventilation grille body is connected with one end, close to the first vent, of the mounting frame, the ventilation grille body is opposite to the baffle plate is far away from the second vent, and the ventilation grille body is abutted to the baffle plate.

2. A ventilation grille as defined in claim 1 wherein:

the installing frame is close to one side of first vent is provided with the inserted sheet, the inserted sheet is along keeping away from the one end in second vent extends, the baffle is provided with the installation the installing port of inserted sheet.

3. A ventilation grille as set forth in claim 2 wherein:

the quantity of inserted sheet is two, two the inserted sheet is followed the width direction interval of installing frame sets up, be provided with two installing ports on the baffle.

4. A ventilation grille as defined in claim 1 wherein:

the mounting frame comprises a top plate, a bottom plate, a first side plate and a second side plate, wherein two sides of the first side plate are respectively connected with the top plate and the bottom plate, two sides of the second side plate are respectively connected with the top plate and the bottom plate, the top plate, the bottom plate, the first side plate and the second side plate are used for limiting the first ventilation opening and the second ventilation opening which are located on two sides of the top plate, the end part of the baffle is rotatably connected with the top plate, and the ventilation grating body is simultaneously connected with the first side plate and the second side plate.

5. A ventilation grille as set forth in claim 4 wherein:

the ventilation grid body with the bottom plate is the contained angle and connects, the second vent orientation the direction of arranging of first vent is for predetermineeing the direction, the ventilation grid body with the contained angle of bottom plate in predetermineeing the direction is the acute angle.

6. A ventilation grille as set forth in claim 1 wherein:

the ventilation grid body comprises a grid plate, a first grid strip and a second grid strip, the first grid strip and the second grid strip are connected with the grid plate, the grid plate is provided with air holes communicated with the first ventilation openings, two ends of the first grid strip are connected with the inner walls of the air holes, two ends of the second grid strip are connected with the inner walls of the air holes, and the first grid strip and the second grid strip are connected in an included angle mode.

7. A ventilation grille as set forth in claim 6 wherein:

the number of the first grid bars is one, and the number of the second grid bars is one.

8. A ventilation grille as set forth in claim 6 wherein:

the first grid bars penetrate through the second grid bars, the vent holes are provided with a first inner wall, a second inner wall, a third inner wall and a fourth inner wall which are sequentially connected end to end, two ends of the first grid bars are respectively connected with the first inner wall and the third inner wall, and two ends of the second grid bars are respectively connected with the second inner wall and the fourth inner wall.

9. A ventilation grille as set forth in claim 6 wherein:

the first grid bars and the second grid bars are perpendicular to each other.

10. A vehicle comprising a ventilation grille according to any one of claims 1 to 9.

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