CN215850856U

CN215850856U - Structure based on 11 meters low entry city bus seat fixed bolster

Info

Publication number: CN215850856U
Application number: CN202122096845.3U
Authority: CN
Inventors: 朱前兵; 黄利; 李建芳; 马星星
Original assignee: Chery and Wanda Guizhou Bus Co Ltd
Current assignee: Chery and Wanda Guizhou Bus Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a structure based on a 11-meter low-entrance urban passenger car seat fixing support, which is characterized in that a seat body is fixed on a car body side wall framework assembly and a floor framework buried plate, the seat fixing support comprises an upper seat support, an inclined seat support and an inclined seat support fixing plate, the upper seat support is of an L-shaped plate structure, a side plate of the upper seat support is fixedly connected with a middle cross beam of the car body side wall framework through bolts, a top plate of the upper seat support is provided with a plurality of threaded holes and is fixedly connected with a slow plate on one side of the seat body through bolts, the bottom end of the inclined seat support is fixedly connected with the inclined seat support fixing plate, the top end of the inclined seat support is flush with the upper seat support, the top end of the inclined seat support is provided with a plurality of threaded holes and is fixedly connected with the slow plate on the other side of the seat body through bolts, and the inclined seat support fixing plate is fixedly connected with the lower cross beam of the car body side wall framework. The utility model reduces the processing cost of the passenger car seat fixing bracket, improves the space utilization rate in the car, is convenient for cleaning the sanitation in the car and ensures the tidiness of the city passenger car.

Description

Structure based on 11 meters low entry city bus seat fixed bolster

Technical Field

The utility model belongs to the technical field of automobile accessories, and particularly relates to a structure based on a seat fixing support of a 11-meter low-entrance urban bus.

Background

With the brisk development of the Chinese passenger car industry, the pure electric city passenger car is also a main vehicle in each city at present as a vehicle model which is widely popularized and used by the nation, and the national and various local relevant standards have specific detailed parameter requirements on the step height, the height of the floor in the car, the channel width, the seat number of passengers and the like, and the realization of the specific requirements is mainly closely related to the arrangement design structure of the front suspension of the pure electric city passenger car. As a city bus, the design method is important for increasing more riding comfort of the pure electric city bus by reasonably arranging the positions of an air bag, an air bag support, a shock absorber, a guide mechanism and a related support structure except that the city bus meets the specific detailed parameter requirements of the national and all local relevant standards on the step height, the height of a floor in the bus, the width of a channel, the seat number of passengers and the like.

At present, a common structure of a passenger seat fixing bracket is welded on a side wall framework cross beam of a vehicle body by a 6mm thick U-shaped bracket through carbon dioxide arc welding as shown in figure 1; during fixing, according to the front and rear positions of the design size of a drawing, firstly drilling holes in the U-shaped support and the slow plate corresponding to the seat upright post support, then forming an M8 internal thread hole by adopting a screw tap, and finally fixing the seat assembly by using an M8 bolt. This structure has the following disadvantages:

1. the support structure is made of a U-shaped part with the thickness of 6mm, so that the material and processing cost of the assembly are increased;

2. the support structure adopts the carbon dioxide gas shielded welding to weld the upper part of the longitudinal beam corresponding to the side wall framework of the vehicle body, so that the welding area is large, and the welding seam needs to be polished after the welding is finished, thereby increasing the production and manufacturing cost of the whole vehicle;

3. the seat stand support among this assembly structure vertical fixation has greatly occupied the available space in the car and has made city bus's clean and tidy nature difficult to guarantee on the board that buries of seat floor skeleton.

SUMMERY OF THE UTILITY MODEL

Based on the problems, the utility model provides a structure based on a 11-meter low-entrance urban bus seat fixing support, which reasonably adjusts the overall structure of the seat fixing support, reduces the processing cost of the bus seat fixing support, improves the space utilization rate in a bus, is convenient for cleaning the sanitation in the bus and ensures the tidiness of the urban bus.

The utility model adopts the technical scheme that a seat fixing support based on an 11-meter low-entrance urban bus fixes a seat body on a side wall framework assembly of a vehicle body and a floor framework buried plate, and the seat fixing support comprises: seat upper bracket, seat down tube and seat down tube fixed plate, the seat upper bracket is L shaped plate column structure, and bolt fixed connection automobile body side wall skeleton entablature is passed through to seat upper bracket curb plate, sets up a plurality of screw hole on the seat upper bracket roof, through bolt and the slow plate fixed connection in seat body one side, seat down tube bottom fixed connection seat down tube fixed plate, a plurality of screw holes are seted up on top and the seat upper bracket parallel and level, seat down tube top, through bolt and the slow plate fixed connection of seat body opposite side, seat down tube fixed plate and automobile body side wall skeleton entablature fixed connection.

Preferably, the seat inclined bracket fixing plate comprises a bottom plate and a connecting plate, the connecting plate is connected with the bottom plate in an inclined mode to form a preset inclination angle, the top end of the connecting plate is welded with a lower cross beam of a side wall framework of the vehicle body, and the bottom plate is welded with a buried plate of the floor framework.

Preferably, a side wall seat upper bracket reinforcing plate is plug-welded at the joint of the seat upper bracket side plate and the vehicle body side wall frame middle cross beam inside the vehicle body side wall frame middle cross beam.

Preferably, the thickness of the reinforcing plate and the thickness of the seat upper bracket are both 3 mm.

Preferably, the top plate of the upper seat support and the top end of the inclined seat support are respectively provided with 2-4 threaded holes, and the bolts are respectively provided with a flat washer and a spring washer.

The utility model has the beneficial effects that:

1) the upper seat support is made of a flat plate with the thickness of 3mm, so that the material and processing cost are greatly reduced, compared with the existing U-shaped support, the upper seat support and the seat body are more firmly connected, and the severe condition of long-term overload operation of the urban passenger car is met;

2) the reinforcing plate is arranged inside the middle cross beam of the side wall framework of the automobile body in a plug welding mode of carbon dioxide arc welding, so that the connection firmness of the upper seat support with the reduced thickness and the middle cross beam of the side wall framework of the automobile body is enhanced, the production and manufacturing cost of the whole automobile is reduced, and meanwhile, the reliability of the fixed support of the seat and the convenience of installation and maintenance of the seat are ensured;

3) the seat inclined bracket is obliquely fixed to the lower end of the side wall framework of the automobile body through the seat inclined bracket fixing plate, the lower part of the seat body is free of structural obstruction, the available space in the automobile is greatly improved, the sanitation in the automobile is convenient to clean, and the neatness in the automobile of the city bus is guaranteed.

Drawings

FIG. 1 is a schematic view of a conventional seat mounting bracket;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a side elevational view of the seat upper bracket of the present invention;

FIG. 4 is a schematic diagram of the present invention.

The labels in the figure are: 1. the seat comprises a seat upper support, 11, a seat upper support side plate, 12, a seat upper support top plate, 2, a seat inclined support, 3, a seat inclined support fixing plate, 31, a seat inclined support connecting plate, 32, a seat inclined support bottom plate, 4, a vehicle body side wall framework assembly, 41, vehicle body side wall framework longitudinal beams, 42, vehicle body side wall framework upper cross beams, 43, vehicle body side wall framework middle cross beams, 44, a vehicle body side wall framework lower cross beam, 5, a seat body, 6 and a reinforcing plate.

Detailed Description

The utility model will be further explained in conjunction with the drawings attached to the specification in order to facilitate better understanding by those skilled in the art.

Example 1

As shown in fig. 1-4, a seat fixing bracket based on 11 meters low-entrance city bus is used for fixing a seat body 5 on a vehicle body side wall frame assembly 4 and a floor frame buried plate, and comprises: a seat upper bracket 1, a seat inclined bracket 2 and a seat inclined bracket fixing plate 3.

The body side wall framework assembly 4 comprises body side wall framework longitudinal beams 41, and a body side wall framework upper cross beam 42, a body side wall framework middle cross beam 43 and a body side wall framework lower cross beam 44 are connected between the body side wall framework longitudinal beams 41. The lower ends of the two sides of the seat body 5 are respectively provided with a slow plate for installing the seat body 5.

Seat upper bracket 1 is the L shaped plate column structure that 3mm is thick, including perpendicular seat upper bracket curb plate 11 and the seat upper bracket roof 12 of connecting, seat upper bracket curb plate 11 passes through bolt fixed connection automobile body side wall skeleton entablature 43, sets up a plurality of screw hole on the seat upper bracket roof 12, through bolt and 5 one side slow plate fixed connection of seat body, 2 bottom fixed connection seat down support fixed plates 3 of seat down-angle support, top and 1 parallel and level of seat upper bracket, a plurality of screw holes are seted up on 2 tops of seat down-angle support, through bolt and 5 opposite side slow plate fixed connection of seat body, seat down-angle support fixed plates 3 and automobile body side wall skeleton entablature 44 fixed connection.

Adopt L type seat upper bracket 1 fixed seat body 5, compare current 6mmU type support, when having reduced material and processing cost, the firm nature of being connected of seat upper bracket 1 and seat body 5 is better, has satisfied the abominable condition of the long-term overload operation of city passenger train.

Preferably, the seat inclined bracket fixing plate 3 comprises a bottom plate 31 and a connecting plate 32, the connecting plate 32 is connected with the bottom plate 31 in an inclined mode to form a preset inclination angle, so that after the seat inclined bracket 2 is connected with the connecting plate 32, the top end of the seat inclined bracket 2 and the top plate 12 of the seat upper bracket are located on the same horizontal plane, the seat body 5 is installed, the top end of the connecting plate 32 is welded with the lower cross beam 44 of the side wall frame of the vehicle body, and the bottom plate 32 is welded with the embedded plate of the floor frame.

Seat down tube brace fixed plate 3 is connected seat down tube brace 2 and is used for installing seat body 5 for seat body 5's bearing structure is unsettled, saves the space of seat body 5 below, improves car space utilization, and the daily health clearance of being convenient for has guaranteed city passenger train's clean and tidy nature in the car.

Preferably, inside the vehicle body side frame middle cross beam 43, a reinforcing plate 6 is plug-welded at the joint of the seat upper bracket side plate 11 and the vehicle body side frame middle cross beam 43, so that under the condition that the thickness of the seat upper bracket 1 is reduced, the production and manufacturing cost of the whole vehicle is reduced, and the connection firmness of the seat upper bracket 1 and the vehicle body side frame middle cross beam 43 is enhanced.

Preferably, the thickness of the reinforcing plate 6 is 3mm, so that the material and processing cost are greatly reduced, and the severe condition of long-term overload operation of the urban passenger car is met.

Preferably, 4 threaded holes are respectively formed in the top plate of the upper seat support and the top end of the inclined seat support 2, and the bolts are respectively provided with a flat washer and a spring washer to ensure stable connection.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims

1. The utility model provides a structure based on 11 meters low entry city passenger train seat fixed bolster, fixes seat body (5) on automobile body side wall skeleton assembly (4) and floor skeleton bury board, its characterized in that, the seat fixed bolster includes: seat upper bracket (1), seat down tube (2) and seat down tube fixed plate (3), seat upper bracket (1) is L shaped plate column structure, and bolt fixed connection automobile body side wall skeleton entablature (43) is passed through in seat upper bracket curb plate (11), sets up a plurality of screw hole on seat upper bracket roof (12), through bolt and seat body (5) one side slow plate fixed connection, seat down tube (2) bottom fixed connection seat down tube fixed plate (3), top and seat upper bracket (1) parallel and level, a plurality of screw hole are seted up on seat down tube (2) top, through bolt and seat body (5) opposite side slow plate fixed connection, seat down tube fixed plate (3) and automobile body side wall skeleton bottom end rail (44) fixed connection.

2. The structure based on the 11 m low-entrance city bus seat fixing bracket according to claim 1, characterized in that the seat inclined bracket fixing plate (3) comprises a bottom plate (31) and a connecting plate (32), the connecting plate (32) is connected with the bottom plate (31) in an inclined mode to form a preset inclination angle, the top end of the connecting plate (32) is welded with a lower cross beam (44) of a side wall frame of a vehicle body, and the bottom plate (31) is welded with a buried plate of the floor frame.

3. The structure based on the 11 m low-entrance city bus seat fixing bracket is characterized in that a reinforcing plate (6) is subjected to plug welding at the joint of the seat upper bracket side plate (11) and the vehicle body side frame middle cross beam (43) inside the vehicle body side frame middle cross beam (43).

4. A structure based on 11 m low-entry city bus seat fixing bracket according to claim 3, characterized in that the thickness of the reinforcing plate (6) and the thickness of the seat upper bracket (1) are both 3 mm.

5. The structure of the seat fixing bracket for the 11-meter low-entry city passenger car according to claim 1, wherein 2-4 threaded holes are respectively formed in the top plate (12) of the seat upper bracket and the top end of the seat inclined bracket (2), and the bolts are respectively provided with a plain washer and a spring washer.