CN219115204U - Car door with decompression function and cab - Google Patents

Abstract

The utility model discloses a car door and a driver's cab with a decompression function, which belong to the technical field of construction machinery and comprise a first door panel and a second door panel, a cavity is arranged between the first door panel and the second door panel, and the A filter assembly for reducing the pressure in the cab is provided on the first door panel; the filter assembly includes a groove filled with sealing cotton, the bottom of the groove is provided with a first through hole, and the first door panel The bottom is provided with a plurality of exhaust holes; the air in the cab enters the cavity through the first through hole on the groove, and is discharged out of the cab through the exhaust holes at the bottom of the first door panel; the utility model can effectively reduce the driving force. The pressure in the cabin guides the air flow in the cab, further improving the comfort performance of the cab.

Description

A car door and cab with decompression function

technical field

The utility model discloses a car door and a driver's cab with a decompression function, belonging to the technical field of engineering machinery.

Background technique

With the improvement of people's requirements for the comfort and quality of construction machinery operation, the sealing performance requirements for construction vehicle cabs are also getting higher and higher. After the fresh air system is turned on in the cab, as the outdoor air continues to enter, the air pressure in the cab The increase will exceed the comfortable range of human perception, especially for products such as excavation and rotary drilling rigs. The width of the cab door accounts for a large proportion of the side length of the cab. During the process of closing the door, the pressure inside the car will increase instantaneously, resulting in The door closing force increases, and the door is difficult to close. At the same time, it will cause the driver's eardrum to feel oppressed and cause discomfort.

Utility model content

The purpose of this utility model is to provide a car door and cab with decompression function, which can effectively reduce the pressure in the cab, guide the air flow in the cab, and further improve the comfort performance of the cab. In order to solve the above problems, the utility model adopts the following Technical solution: On the one hand, the embodiment of the utility model provides a car door with a decompression function, which includes a door frame arranged on the driver's cab, and the door frame includes a first door panel and a second door panel connected to each other. A cavity is provided between the first door panel and the second door panel, and the first door panel is provided with a filter assembly for reducing the pressure in the cab;

The filter assembly includes a groove, the groove is filled with sealing cotton, the bottom of the groove is provided with a first through hole, and the bottom of the first door panel is provided with a plurality of exhaust holes; the air in the cab It enters the cavity through the first through hole on the groove, and is discharged out of the cab through the exhaust hole at the bottom of the first door panel.

Preferably, the groove is set in a circular shape.

Preferably, the door frame is provided with a sliding window and an observation area. The sliding window is used for ventilation in the cab, and the observation area is set transparently.

Preferably, the first door panel is provided with a bent portion near the exhaust hole, and a sealing strip is provided at the bent portion; the sealing strip is arranged between the exhaust hole and the groove.

Preferably, the cover plate is fixedly connected with the door frame by screws.

Preferably, the door frame is provided with a fixed cover plate for sealing cotton, and a plurality of second through holes are opened on the cover plate, and the second through holes communicate with the groove.

On the other hand, the embodiment of the utility model also provides a driver's cab, the driver's cab is provided with the above-mentioned door with a decompression function.

Compared with the prior art, the beneficial effects achieved by the utility model are: the groove is filled with sealing cotton in the utility model, the bottom of the groove is provided with a first through hole, and the bottom of the first door panel is provided with There are multiple exhaust holes; the air in the cab enters the cavity through the first through hole on the groove, and is discharged out of the cab through the exhaust hole at the bottom of the first door panel, which can effectively reduce the pressure in the cab and guide The air flow direction in the cab further improves the comfort performance of the cab.

Description of drawings

Fig. 1 is a side view of the driver's cab door provided by the embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a filter assembly provided by an embodiment of the present invention;

Fig. 3 is a schematic diagram of the groove structure provided by the embodiment of the utility model;

Fig. 4 is a schematic diagram of the cover plate structure provided by the embodiment of the present invention;

In the figure: 1-door frame; 2-first door panel; 3-second door panel; 4-cavity; 5-filter assembly; 51-groove; 52-sealing cotton; 53-first through hole; 54-row Air hole; 6-cover plate; 61-screw; 62-second through hole; 7-sliding window; 8-observation area; 9-curved part; 10-sealing strip;

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the utility model more clearly, but not to limit the protection scope of the utility model.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model.

In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

Example 1

As shown in Figure 1, on the one hand, the embodiment of the utility model provides a car door with decompression function, including a car door frame 1 arranged on the driver's cab, the car door frame 1 includes a first door panel 2 and a first door panel 2 connected to each other. The second door panel 3, the first door panel 2 and the second door panel 3 are welded; a cavity 4 is provided between the first door panel 2 and the second door panel 3, and a cavity 4 is provided on the first door panel 2 for lightening the cab. Pressure filter assembly 5; the door frame 1 is provided with a sliding window 7 and an observation area 8, the sliding window 7 is used for ventilation in the cab, the observation area 8 is transparently set, and the observation area 8 is used for Observe the working conditions in the cab, and the door frame 1 is also provided with a decorative part 11 .

As shown in Figures 2 to 3, the filter assembly includes a groove 51, which is filled with sealing cotton 52, and the sealing cotton 52 is used to block dust and noise outside the cab from entering the cab; The bottom of the groove 51 is provided with a first through hole 53, and the bottom of the first door panel 2 is provided with a plurality of exhaust holes 54; as shown in Figure 4, the door frame 1 is provided with a cover plate 6, and the cover plate 6 Covering the groove 51, the cover plate 6 is fixedly connected with the door frame 1 through screws 61; the cover plate 6 is provided with a plurality of second through holes 62, and the second through holes 62 are connected to the door frame 1. The grooves 51 communicate, and the air in the cab enters the cavity 4 through the second through hole 62 and the first through hole 53 on the groove 51, and is discharged out of the cab through the exhaust hole 54 at the bottom of the first door panel 2, It can effectively reduce the pressure in the cab, guide the air flow in the cab, and further improve the comfort performance of the cab; the first door panel 2 is provided with a curved portion 9 near the exhaust hole 54, and the curved portion 9 is provided with a The sealing strip 10 is used to seal the vehicle door; the sealing strip 10 is arranged between the exhaust hole 54 and the groove 51 .

Example 2

On the other hand, the embodiment of the present utility model also provides a driver's cab, the driver's cab is provided with the door with the decompression function described in Embodiment 1.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and deformations can also be made. And deformation should also be regarded as the protection scope of the present utility model.

Claims (7)

1. A car door with decompression function, characterized in that it includes a door frame (1) arranged on the cab, and the door frame (1) includes a first door panel (2) and a second door panel ( 3), a cavity (4) is provided between the first door panel (2) and the second door panel (3), and a filter assembly (5) for reducing the pressure in the cab is provided on the first door panel (2) ; The filter assembly (5) includes a groove (51), the groove (51) is filled with sealing cotton (52), the bottom of the groove (51) is provided with a first through hole (53), the The bottom of the first door panel (2) is provided with a plurality of exhaust holes (54); the air in the cab enters the cavity (4) through the first through hole (53) on the groove (51), and passes through the first The exhaust hole (54) at the bottom of the door panel (2) discharges out of the cab. 2. The vehicle door with decompression function according to claim 1, characterized in that, the groove (51) is set in a circular shape. 3. A car door with decompression function according to claim 1, characterized in that, the door frame (1) is provided with a sliding window (7) and an observation area (8), and the sliding window (7 ) is used for ventilation in the cab, and the observation area (8) is transparently set. 4. A car door with decompression function according to claim 1, characterized in that, the first door panel (2) is provided with a bent portion (9) near the exhaust hole (54), and the A sealing strip (10) is provided at the bent portion (9); the sealing strip (10) is arranged between the exhaust hole (54) and the groove (51). 5. A car door with decompression function according to claim 1, characterized in that, the car door frame (1) is provided with a cover plate (6) for fixing the sealing cotton (52), and the cover plate (6) is provided with a plurality of second through holes (62), and the second through holes (62) communicate with the groove (51). 6 . The vehicle door with decompression function according to claim 5 , characterized in that, the cover plate ( 6 ) is fixedly connected to the vehicle door frame ( 1 ) through screws ( 61 ). 7. A driver's cab, characterized in that the driver's cab is provided with a door with a decompression function according to any one of claims 1 to 6.

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