Ventilation cover at top of passenger car

Abstract

The utility model discloses a passenger car top ventilation cover which comprises a positioning frame, a protective net cover is installed at the upper end of the positioning frame and connected with the positioning frame through bolts, flow guide grooves are formed in the two sides of the positioning frame, a sealing plate is arranged at the lower end of the positioning frame, and sliding guide rods are fixed to the two ends of the positioning frame. And the sliding guide rods penetrate through the two sides of the sealing plate correspondingly, a positioning rod penetrates through the interior of the sealing plate, a mounting groove is formed in the sealing plate, a positioning disc is arranged in the mounting groove, a rotating disc is arranged at the lower end of the sealing plate, and the upper end of the rotating disc extends into the mounting groove to be fixed to the positioning disc. According to the passenger car top ventilation cover, by arranging the adjustable sealing plate structure, the position of the sealing plate can be adjusted according to requirements during use, so that different air inflow is controlled, operation is easy, the passenger car top ventilation cover is more practical, meanwhile, a ladder stand structure can be arranged, the ventilation cover is convenient to disassemble when dangerous situations occur in a passenger car, and the passenger car can quickly escape through the ladder stand structure.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation hoods, in particular to a ventilation hood on the top of a passenger car. Background Art

[0002] New energy buses refer to buses that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. In order to improve the air circulation inside the bus, a ventilation hood is usually required on the top of the bus so that it can be opened to complete the air circulation inside the bus. However, there are still some problems with the existing bus top ventilation hoods when in use.

[0003] There is a kind of bus roof ventilation hood with Chinese patent publication number CN104354564B, which is composed of a ventilation hood body, which is fixed on the roof of the rear part of the bus, including: a first air inlet, a second air inlet, an air outlet, a middle partition and a water outlet, at least one of the first air inlet and the second air inlet is connected to the air inlet end of the rear enclosure of the bus; the air outlet is connected to the air outlet end of the rear enclosure of the bus, and middle partitions for separating air intake and air outlet are respectively provided between the air outlet and the first air inlet and the second air inlet; however, the existing ventilation hood is inconvenient to operate, and the ventilation air intake volume cannot be adjusted, and most of the ventilation hoods cannot improve the escape function.

[0004] Therefore we have proposed a passenger car top ventilation cover, so as to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a ventilation hood on the top of a passenger car to solve the problem that the air intake of the existing ventilation hood cannot be adjusted when it cannot be used and cannot be used for escape.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a passenger car top ventilation cover, including a positioning frame:

[0007] A protective mesh cover is installed on the upper end of the positioning frame, and the protective mesh cover is bolted to the positioning frame, and guide grooves are opened on both sides of the positioning frame;

[0008] A sealing plate is provided at the lower end of the positioning frame, and sliding guide rods are fixed at both ends of the positioning frame, and the sliding guide rods respectively penetrate the two sides of the sealing plate, and a positioning rod penetrates the inside of the sealing plate;

[0009] The sealing plate is provided with a mounting groove inside, and a positioning plate is arranged inside the mounting groove. A rotating plate is arranged at the lower end of the sealing plate, and the upper end of the rotating plate extends into the mounting groove and is fixed to the positioning plate.

[0010] Preferably, the sealing plate is slidably connected to the positioning frame, and the upper end of the sealing plate is designed as a conical structure, the lower end of the sliding guide rod passes through both ends of the sealing plate, and the sliding guide rod is slidably connected to the sealing plate.

[0011] By adopting the above technical solution, the sealing of the ventilation window can be completed through the engagement between the sealing plate and the positioning frame to prevent water leakage due to the ventilation hood, and the conical design of the upper end can facilitate the diversion of rainwater.

[0012] Preferably, positioning plates are fixed to the lower ends of both sides of the positioning frame, and positioning holes are arranged in an array at the lower ends of the positioning plates, and positioning rods penetrate into the positioning holes.

[0013] By adopting the above technical solution, the positioning holes designed in the array can cooperate with the positioning rods to complete the positioning of the sealing plate.

[0014] Preferably, a return spring passes through the inner end of the positioning rod, and the outer end of the return spring is fixed to the positioning rod, and the inner end of the return spring is fixedly connected to the sealing plate.

[0015] By adopting the above technical solution and designing the reset spring, the reset spring can be used to push the positioning rod to move toward the outside of the sealing plate, thereby maintaining the engagement between the positioning rod and the positioning hole.

[0016] Preferably, a limiting plate is fixed to the inner end of the positioning rod, and a limiting groove is opened in the middle of the limiting plate. A positioning shaft is fixed to the outer periphery of the upper end of the positioning disk, and the upper end of the positioning shaft passes through the limiting groove, and the positioning shaft is slidably connected to the limiting groove.

[0017] By adopting the above technical solution, through the cooperation between the limit groove and the positioning shaft, the positioning shaft can be driven to rotate synchronously when the positioning plate rotates, and the positioning shaft moves inside the limit groove when rotating, and synchronously drives the limit plate and the positioning rod to move toward the inside of the sealing plate, thereby releasing the cooperation between the positioning rod and the positioning hole.

[0018] Preferably, a ladder is rotatably connected to the inner wall on the left side of the protective mesh cover, and a positioning bolt is threadedly connected to the right side of the ladder, and the upper end of the positioning bolt is threadedly connected to the protective mesh cover.

[0019] By adopting the above technical solution, the design of the ladder can improve the convenience of escape when danger occurs, and the positioning bolt can be used to rotate and position the ladder when not in use.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the passenger car top ventilation cover;

[0021] 1. By setting an adjustable sealing plate structure, the position of the sealing plate can be adjusted according to needs during use, so as to control different air intake volumes. The operation is simple and more practical. At the same time, a ladder structure can be set to facilitate the removal of the ventilation cover and quick escape with the help of the ladder structure when dangerous situations occur inside the bus;

[0022] 2. The sealing plate and the positioning frame can be quickly connected through the positioning structure. The operation is simple. The position of the positioning rod can be adjusted by rotating the turntable, and the height of the sealing plate can be adjusted by using the positioning holes in the array. At the same time, the sealing plate can be directly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the ladder and positioning bolts of the utility model;

[0026] Figure 4 This is a schematic diagram of the positioning rod and the return spring structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the positioning plate and positioning hole structure of the utility model;

[0028] Figure 6 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1. positioning frame; 2. protective mesh cover; 3. guide groove; 4. sealing plate; 5. sliding guide rod; 6. mounting groove; 7. positioning plate; 8. turntable; 9. positioning rod; 10. reset spring; 11. limit plate; 12. limit groove; 13. positioning shaft; 14. positioning plate; 15. positioning hole; 16. ladder; 17. positioning bolt. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-6The utility model provides a technical solution: a passenger car top ventilation cover, including a positioning frame 1, a protective mesh cover 2 is installed on the upper end of the positioning frame 1, and the protective mesh cover 2 is bolted to the positioning frame 1, and guide grooves 3 are opened on both sides of the positioning frame 1; a sealing plate 4 is slidably connected to the positioning frame 1, and the upper end of the sealing plate 4 is designed in a conical structure, the lower end of a sliding guide rod 5 passes through both ends of the sealing plate 4, and the sliding guide rod 5 is slidably connected to the sealing plate 4; the positioning frame 1 can be fixedly installed between the passenger car body, and the protective mesh cover 2 provided in conjunction can protect the upper end of the positioning frame 1 and prevent foreign matter from entering the interior of the passenger car, and at the same time, guide grooves 3 are opened on both sides of the positioning frame 1, which can improve the smoothness of rainwater circulation, and a quick-release bolt structure is adopted between the protective mesh cover 2 and the positioning frame 1, which is convenient for quick and convenient disassembly.

[0032] A sealing plate 4 is provided at the lower end of the positioning frame 1, and sliding guide rods 5 are fixed at both ends of the positioning frame 1, and the sliding guide rods 5 respectively penetrate the two sides of the sealing plate 4, and a positioning rod 9 penetrates the inside of the sealing plate 4; a mounting groove 6 is provided inside the sealing plate 4, and a positioning disk 7 is provided inside the mounting groove 6, a turntable 8 is provided at the lower end of the sealing plate 4, and the upper end of the turntable 8 extends to the inside of the mounting groove 6 and is fixed to the positioning disk 7; positioning plates 14 are fixed to the lower ends of both sides of the positioning frame 1, and positioning holes 15 are provided in an array at the lower end of the positioning plate 14, and the positioning rod 9 penetrates into the inside of the positioning hole 15; a reset spring 10 penetrates the inner end of the positioning rod 9, and the outer end of the reset spring 10 is fixed to the positioning rod 9, and the inner end of the reset spring 10 is fixedly connected to the sealing plate 4; A limiting plate 11 is fixed to the inner end of the positioning rod 9, and a limiting groove 12 is provided in the middle of the limiting plate 11. A positioning shaft 13 is fixed to the outer periphery of the upper end of the positioning disk 7, and the upper end of the positioning shaft 13 passes through the limiting groove 12, and the positioning shaft 13 is slidably connected to the limiting groove 12; through the cooperation between the positioning rod 9 and the positioning hole 15, the position between the sealing plate 4 and the positioning frame 1 can be conveniently limited, and the positioning disk 7 and multiple groups of positioning shafts 13 are driven to rotate synchronously by the rotating turntable 8, and the positioning shaft 13 can move inside the limiting groove 12, and drive multiple groups of limiting plates 11 and the positioning rod 9 to move toward the inside of the sealing plate 4, thereby releasing the connection between the sealing plate 4 and the positioning frame 1, and the air volume can be quickly changed or the sealing plate 4 can be disassembled.

[0033] A ladder 16 is rotatably connected to the inner wall of the left side of the protective net cover 2, and a positioning bolt 17 is threadedly connected to the right side of the ladder 16, and the upper end of the positioning bolt 17 is threadedly connected to the protective net cover 2; through the design of the ladder 16, it is convenient to use the ladder 16 to quickly climb out for escape when a dangerous situation occurs inside the bus, and when not in use, the ladder 16 can be rotated and stored through the connection between the positioning bolt 17 and the protective net cover 2.

[0034] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A passenger car roof ventilation cover, comprising a positioning frame (1), characterized in that: A protective mesh cover (2) is installed on the upper end of the positioning frame (1), and the protective mesh cover (2) is bolted to the positioning frame (1), and guide grooves (3) are provided on both sides of the positioning frame (1); A sealing plate (4) is provided at the lower end of the positioning frame (1), and sliding guide rods (5) are fixed at both ends of the positioning frame (1), and the sliding guide rods (5) respectively penetrate both sides of the sealing plate (4), and a positioning rod (9) penetrates the interior of the sealing plate (4); The sealing plate (4) is provided with a mounting groove (6) inside, and a positioning plate (7) is arranged inside the mounting groove (6); a rotating plate (8) is arranged at the lower end of the sealing plate (4), and the upper end of the rotating plate (8) extends into the mounting groove (6) and is fixed to the positioning plate (7).

2. The passenger car roof ventilation cover according to claim 1, characterized in that: The sealing plate (4) is slidably connected to the positioning frame (1), and the upper end of the sealing plate (4) is designed as a conical structure. The lower end of the sliding guide rod (5) passes through both ends of the sealing plate (4), and the sliding guide rod (5) is slidably connected to the sealing plate (4).

3. The passenger car roof ventilation cover according to claim 2, characterized in that: Positioning plates (14) are fixed at the lower ends of both sides of the positioning frame (1), and positioning holes (15) are arranged in an array at the lower ends of the positioning plates (14), and positioning rods (9) penetrate into the interior of the positioning holes (15).

4. The passenger car roof ventilation cover according to claim 3, characterized in that: A return spring (10) passes through the inner end of the positioning rod (9), and the outer end of the return spring (10) is fixed to the positioning rod (9), and the inner end of the return spring (10) is fixedly connected to the sealing plate (4).

5. The passenger car roof ventilation cover according to claim 4, characterized in that: A limiting plate (11) is fixed to the inner end of the positioning rod (9), and a limiting groove (12) is provided in the middle of the limiting plate (11); a positioning shaft (13) is fixed to the outer periphery of the upper end of the positioning plate (7), and the upper end of the positioning shaft (13) passes through the interior of the limiting groove (12), and the positioning shaft (13) is slidably connected to the limiting groove (12).

6. The passenger car roof ventilation cover according to claim 1, characterized in that: A ladder (16) is rotatably connected to the inner wall of the left side of the protective net cover (2), and a positioning bolt (17) is threadedly connected to the right side of the ladder (16), and the upper end of the positioning bolt (17) is threadedly connected to the protective net cover (2).

Images