CN113460172A - Warm air blower pressure chamber plate welding assembly and automobile - Google Patents

Warm air blower pressure chamber plate welding assembly and automobile Download PDF

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Publication number
CN113460172A
CN113460172A CN202110870725.6A CN202110870725A CN113460172A CN 113460172 A CN113460172 A CN 113460172A CN 202110870725 A CN202110870725 A CN 202110870725A CN 113460172 A CN113460172 A CN 113460172A
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China
Prior art keywords
pressure chamber
plate
chamber plate
flanging
air blower
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CN202110870725.6A
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Chinese (zh)
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CN113460172B (en
Inventor
韩常青
常满红
王远宏
姚善明
张海清
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/14Dashboards as superstructure sub-units
    • B62D25/145Dashboards as superstructure sub-units having a crossbeam incorporated therein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507Details, e.g. mounting arrangements, desaeration devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention provides a welding assembly of a warm air blower pressure chamber plate and an automobile, which not only meet the requirements of automobile body torsion, mode and the like on the rigidity of the welding assembly of the warm air blower pressure chamber plate, but also meet the requirements of pedestrian collision protection, and simultaneously reduce the number of reinforcing parts, mounting brackets and the like as far as possible through structural optimization design, and reduce the cost of parts to the maximum extent. This electric fan heater pressure chamber board welding assembly includes: a fan heater pressure chamber plate arranged in a U shape; the front air window reinforcing piece is assembled and connected to one side of the warm air blower pressure chamber plate and extends into the U-shaped cavity of the warm air blower pressure chamber plate downwards and obliquely; the pressure chamber plate reinforcing beam is assembled on the other side of the fan heater pressure chamber plate, and the pressure chamber plate reinforcing beam and the inner wall of the fan heater pressure chamber plate form a closed cavity; an instrument board mounting point is formed on the warm air blower pressure chamber plate, and a rain wiper mounting point is formed on the pressure chamber plate reinforcing beam.

Description

Warm air blower pressure chamber plate welding assembly and automobile
Technical Field
The invention relates to the technical field of automobile body structure design, in particular to a warm air blower pressure chamber plate welding assembly and an automobile.
Background
The welding assembly of the pressure chamber plate of the warm air blower is positioned above the front wall plate assembly and below the front windshield glass, is a structure for connecting the front wall plate assembly, the left and right front wheel bulge assemblies and the left and right side wall assemblies, is mainly used for draining water of the whole vehicle, air inlet of an air conditioner, installation of a windscreen wiper, installation of the front windshield glass, installation of a front cover decorating part and the like in function, improves the torsion performance of the whole vehicle in structure, and plays a vital role in protecting pedestrians from collision, vehicle body modes, corrosion resistance and the like. The higher the rigidity of the welding assembly of the pressure chamber plate of the warm air blower is, the more favorable the higher the rigidity is, the lower the rigidity is, abnormal sound, noise, poor reliability of the vehicle body and other problems are easy to generate due to the torsion performance of the whole vehicle, the mode of the vehicle body, various installation functions and the like; the protection of pedestrians in collision, the cost and other reasons require that the rigidity of parts of the fan heater pressure chamber plate welding assembly is weakened as much as possible, and the reinforcing parts are reduced, so that the higher the rigidity is, the greater the impact and the injury to the head of the pedestrian in collision are, the number of the parts in the assembly is reduced, and the cost can be effectively reduced.
With the improvement of the requirements of consumers on the performance, the quality, the safety and the like of the automobile, how to design a warm air blower pressure chamber plate welding assembly structure which can meet the requirements of the torsion performance of the whole automobile, the mode of the automobile body, the rigidity of each mounting point and the like and also can give consideration to the protection of colliding pedestrians and the cost is a difficult problem which is urgently needed to be solved by each automobile enterprise at present.
Disclosure of Invention
The invention provides a welding assembly of a warm air blower pressure chamber plate and an automobile, which not only meet the requirements of automobile body torsion, mode and the like on the rigidity of the welding assembly of the warm air blower pressure chamber plate, but also meet the requirements of pedestrian collision protection, and simultaneously reduce the number of reinforcing parts, mounting brackets and the like as far as possible through structural optimization design, and reduce the cost of parts to the maximum extent.
The technical scheme of the invention is as follows:
the invention provides a welding assembly for a pressure chamber plate of a fan heater, which comprises:
a fan heater pressure chamber plate arranged in a U shape;
the front air window reinforcing piece is assembled and connected to one side of the warm air blower pressure chamber plate and extends into the U-shaped cavity of the warm air blower pressure chamber plate downwards and obliquely;
the pressure chamber plate reinforcing beam is assembled on the other side of the fan heater pressure chamber plate, and the pressure chamber plate reinforcing beam and the inner wall of the fan heater pressure chamber plate form a closed cavity;
an instrument board mounting point is formed on the warm air blower pressure chamber plate, and a rain wiper mounting point is formed on the pressure chamber plate reinforcing beam.
Preferably, the fan heater pressure chamber plate includes:
a base plate;
the first flanging is connected to one side of the bottom plate; the first and second flanges are arranged toward the rear side of the vehicle;
the third flanging is connected to the other side of the bottom plate; the third flange is arranged toward the front side of the vehicle;
the first welding plate is used for welding with the front windshield reinforcement and is connected with the second flanging, and the first welding plate is arranged in parallel to the bottom plate;
the second welding plate is used for welding with the pressure chamber plate reinforcing cross beam and is connected with the third flanging, and the second welding plate is arranged in parallel to the bottom plate;
the first flanging, the second flanging and the finished automobile are arranged at specific angles in the Z direction respectively, and the angle formed between the second flanging and the finished automobile in the Z direction is smaller than the angle formed between the second flanging and the finished automobile in the Z direction;
the first welding plate, the first flanging, the second flanging, the bottom plate, the second flanging and the second welding plate are integrally formed in a punching mode.
Preferably, the fan heater pressure chamber plate welding assembly further comprises:
and the water retaining platform supporting piece is welded between the bottom plate and the water retaining platform of the front windshield reinforcing piece.
Preferably, the fan heater pressure chamber plate welding assembly further comprises:
and the first flow slot supporting plate and the second flow slot supporting plate are welded between the first flanging and the pressure chamber plate reinforcing beam.
Preferably, the fan heater pressure chamber plate welding assembly further comprises:
the steering support reinforcing plate is welded on the first flanging and the floor, and a steering support mounting point is arranged on the steering support reinforcing plate;
the first and second runner duct support plates are disposed between the water dam support and the steering support stiffener.
Preferably, the fan heater pressure chamber plate welding assembly further comprises:
an air conditioner air inlet is formed in the first flanging;
and the water baffle is welded on the first flanging and used for blocking the outside water from entering the passenger compartment through the air inlet of the air conditioner.
Preferably, a plurality of concave ribs are formed on a welding surface of one side of the first welding plate welded with the front windshield reinforcement in a downward concave manner, and the plurality of concave ribs are used as the instrument panel mounting points.
The invention provides an automobile which comprises the warm air blower pressure chamber plate welding assembly.
The invention has the beneficial effects that:
according to the welding assembly for the pressure chamber plate of the warm air blower, the instrument panel mounting point is integrated on the first welding plate of the pressure chamber plate of the warm air blower, so that not only can an instrument panel bracket be saved, but also the rigidity of the pressure chamber plate of the warm air blower and the rigidity of a front air window reinforcement can be increased; the windscreen wiper mounting points are integrated on the reinforcing cross beam of the pressure chamber plate, so that windscreen wiper mounting brackets can be saved, and the rigidity of the windscreen wiper mounting points can be effectively guaranteed; the first flanging and the second flanging of the warm air blower pressure chamber plate are designed into inclined planes towards the back of a vehicle, and the front air window reinforcing piece is designed into a cantilever type, so that the collision crushing space can be effectively increased, and the injury to the head of a pedestrian is reduced. The welding assembly of the warm air blower pressure chamber plate has strong practicability, simple structure, low cost and strong popularization.
Drawings
FIG. 1 is a schematic structural diagram of a heater unit pressure chamber plate welding assembly according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a pressure chamber plate of a fan heater according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic end view of an assembled pressure chamber plate and front window reinforcement of a fan heater according to an embodiment of the present invention;
FIG. 5 is a schematic view of the assembly structure of the pressure chamber plate and the front window reinforcement of the fan heater according to the embodiment of the present invention;
FIG. 6 is a schematic view of a welding structure of a pressure chamber plate, a front window reinforcement and a water baffle support of a fan heater according to an embodiment of the present invention;
FIG. 7 is a schematic view of a welding structure of a pressure chamber plate and a reinforcing beam of the pressure chamber plate of the fan heater according to the embodiment of the invention;
FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is a schematic diagram of the force transmission of a heater unit pressure chamber plate welding assembly according to an embodiment of the invention;
FIG. 10 is a schematic view of a welding structure of a first and a second flow channel support plates according to an embodiment of the present invention;
FIG. 11 is a schematic view of a welded structure of a water stop and a steering support reinforcing plate according to an embodiment of the present invention;
description of reference numerals: 1-pressure chamber plate of warm air blower; 11-a first flanging; 12-second flanging; 13-a first weld plate; 14-a base plate; 15-third flanging; 16-a second weld plate; 17-air inlet of air conditioner; 2-front windshield reinforcement; 21-front windshield reinforcement cantilever; 22-a welding plate; 3-a steering support reinforcing plate; 31. 32-a steering support mounting point; 4-pressure chamber plate reinforcement beam; 41. 42-wiper mount points; 5-a first flume support plate; 6-a second flume support plate; 7-a water retaining table support member; 8-a water baffle; 91. 92, 93, 94, 95-concave ribs; 100. 101-front wheel drum assembly.
Detailed Description
Referring to fig. 1 to 11, an embodiment of the present invention provides a welding assembly for a pressure chamber plate 1 of an automotive heater unit, which mainly includes a heater unit pressure chamber plate 1, a front windshield reinforcement member 2, a pressure chamber plate reinforcement beam 4, a first flume support plate 5, a second flume support plate 6, a water baffle 8, a water baffle table support member 7, and a steering support reinforcement plate 3.
Referring to fig. 2 and 3, the pressure chamber plate 1 of the fan heater is in a U-shaped structure, and is integrally formed by punching, so that not only can smooth drainage be effectively guaranteed, but also the sealing performance can be well guaranteed, water does not flow into a passenger compartment and an engine compartment, and meanwhile, the effect of preventing waste gas and noise in the engine compartment from directly entering the passenger compartment can be achieved.
Referring to fig. 3 and 4, in this embodiment, the heater unit pressure chamber plate 1 specifically includes: the first welding plate 13, the second flanging 12, the first flanging 11, the bottom plate 14, the third flanging 15 and the second welding plate 16 are formed by integral punch forming and arranged in sequence.
Referring to fig. 3 and 4, the first welding plate 13 is a plate member welded to the front windshield reinforcement 2, and the first welding plate 13 is arranged parallel to the bottom plate 14. The second flanging 12 and the first flanging 11 are obliquely arranged towards the direction of the rear side of the vehicle, specifically, the angle alpha between the first flanging 11 and the Z direction of the whole vehicle is designed to be 15 degrees, the height H between the first flanging 11 and the Z direction of the whole vehicle is designed to be 40mm, the angle beta between the second flanging 12 and the Z direction of the whole vehicle is designed to be 35 degrees, and the height H between the second flanging 12 and the Z direction is designed to be 70 mm. When the head of a pedestrian collides with the area, the front windshield reinforcement cantilever 21 can firstly deform and collapse, and the first flanging 11 and the second flanging 12 can deform and collapse towards the rear direction of the vehicle along with the increase of the impact force, so that the collision crushing space is greatly increased, the damage of the collision to the head of the pedestrian can be reduced to the greatest extent, and the safety of the pedestrian is protected.
In this embodiment, the warm air blower pressure chamber plate 1 facing the vertical surface of the rear side of the vehicle (i.e., the side where the first flange 11 and the second flange 12 are located) is designed to be an inclined surface inclined toward the rear of the vehicle, so that the crushing space can be further increased, and the injury to the head of a pedestrian during collision can be reduced.
Further, the upper part of the rear part of the warm air blower pressure chamber plate 1 (the first welding plate 13) is welded with the welding plate 22 of the front windshield reinforcement 2, the front windshield reinforcement 2 provides an installation surface for front windshield glass, meanwhile, the whole structure is cantilever type, when the head of a pedestrian collides with the area, the front windshield reinforcement 2 is crushed and deformed, and the impact and the injury to the head of the pedestrian are reduced.
Referring to fig. 5, 5 concave ribs 91, 92, 93, 94 and 95 are designed on the welding surface of the first welding plate 13 and the welding surface of the front windshield reinforcement 2, so that the instrument panel mounting bracket and the front windshield reinforcement 2 support plate in the conventional structure can be saved. The height of the concave ribs 91, 92, 93, 94 and 95 is designed to be 5mm, and the concave ribs penetrate through the first welding plate 13, so that the local rigidity of the front windshield reinforcement 2 can be enhanced, and the problems of rumbling, abnormal sound and the like caused by the mode coupling of the front windshield reinforcement 2 and the mode coupling of the sound cavity are solved.
Further, referring to fig. 6, a water guard support 7 is added at the water guard of the front windshield reinforcement 2, and the water guard support 7 is welded to the front windshield reinforcement 2 and the bottom plate 14, respectively. The water blocking platform supporting piece 7 is used for increasing the local rigidity of the water blocking platform, and the deformation or abnormal sound of the water blocking platform of the front windshield reinforcing piece 2 caused by the impact of rainwater and the like is avoided.
Further, referring to fig. 7 to 9, a third flanging 15 of the warm air blower pressure chamber plate 1 is welded with the pressure chamber plate reinforcing beam 4 to form a closed cavity, so that the rigidity of a welding assembly of the warm air blower pressure chamber plate 1 can be effectively increased, and the torsion performance of the whole vehicle is improved; meanwhile, wiper mounting points 41 and 42 are integrated on the pressure chamber plate reinforcing cross beam 4, so that a wiper mounting bracket in the traditional structure can be eliminated, and the cost of parts and the whole automobile is reduced. The first flanging 11 and the two ends of the pressure chamber plate reinforcing beam 4 are welded with the front wheel bulge assemblies 100 and 101 at the same time, when the wheel on one side is stressed, the force is transmitted to the welding assembly of the fan heater pressure chamber plate 1 through the front wheel bulge assemblies 100 and 101, then is transmitted to the front wheel bulge assemblies 100 and 101 on the other side, and then is transmitted to a whole vehicle beam system, so that the torsion performance of the whole vehicle is greatly improved, and the driving and riding comfort of the whole vehicle are ensured.
Further, referring to fig. 10, the first flow channel support plate 5 and the second flow channel support plate 6 are welded with the first flanging 11 and the pressure chamber plate reinforcing beam 4 respectively, so that the rigidity and the mode of a welding assembly of the pressure chamber plate 1 of the fan heater are increased, and the problems of drumming, metal plate abnormal sound and the like caused by deformation of the pressure chamber plate 1 of the fan heater in the force transmission process are avoided, and the quality of the whole vehicle is influenced.
Further, referring to fig. 11, at the air conditioner air inlet 17 on the first flange 11, the water baffle 8 is welded with the pressure chamber plate 1 of the fan heater, so as to avoid serious problems of water leakage of the whole vehicle caused by water entering the passenger compartment through the air conditioner air inlet 17.
Further, referring to fig. 11, the steering support reinforcing plate 3 is welded to the fan heater pressure chamber plate 1, and is used for increasing the rigidity of the steering support mounting points 31 and 32 on the steering support reinforcing plate 3, so as to ensure the mode of steering support, avoid the problems of steering gear shake, abnormal sound and the like, and simultaneously increase the local rigidity of the fan heater pressure chamber plate 1, and avoid the fan heater pressure chamber plate 1 from deforming in the force transmission process.
According to the welding assembly of the warm air blower pressure chamber plate 1, the instrument panel mounting point is integrated on the first welding plate 13 of the warm air blower pressure chamber plate 1, so that not only can the instrument panel bracket be saved, but also the rigidity of the warm air blower pressure chamber plate 1 and the rigidity of the front air window reinforcement part 2 can be increased; the windscreen wiper mounting points 41 and 42 are integrated on the pressure chamber plate reinforcing cross beam 4, so that windscreen wiper mounting brackets can be saved, and meanwhile, the rigidity of the windscreen wiper mounting points 41 and 42 can be effectively ensured; the first flanging 11 and the second flanging 12 of the warm air blower pressure chamber plate 1 are designed into inclined planes towards the back of a vehicle, and the front air window reinforcing piece 2 is designed into a cantilever type, so that the collision crushing space can be effectively increased, and the injury to the head of a pedestrian is reduced. The welding assembly of the warm air blower pressure chamber plate 1 has strong practicability, simple structure, low cost and strong popularization.

Claims (8)

1. The utility model provides a fan heater pressure chamber board welding assembly which characterized in that includes:
a fan heater pressure chamber plate (1) arranged in a U shape;
the front air window reinforcement (2) is assembled and connected to one side of the warm air blower pressure chamber plate (1) and extends into a U-shaped cavity of the warm air blower pressure chamber plate (1) in a downward and oblique mode;
the pressure chamber plate reinforcing beam (4) is assembled on the other side of the fan heater pressure chamber plate (1), and the pressure chamber plate reinforcing beam (4) and the inner wall of the fan heater pressure chamber plate (1) form a closed cavity;
an instrument board mounting point is formed on the fan heater pressure chamber plate (1), and rain wiper mounting points (41, 42) are formed on the pressure chamber plate reinforcing beam 4.
2. Heater unit pressure chamber plate welding assembly according to claim 1, characterized in that said heater unit pressure chamber plate (1) comprises:
a base plate (14);
the first flanging (11) and the second flanging (12) are connected, and the first flanging (11) is connected to one side of the bottom plate (14); the first and second flanges (11, 12) are arranged toward the rear side of the vehicle;
a third flange (15) connected to the other side of the bottom plate (14); the third flange (15) is arranged toward the front side of the vehicle;
a first welding plate (13) for welding with a front windshield reinforcement (2) connected to the second flange (12), the first welding plate (13) being arranged parallel to the base plate (14);
a second welded plate (16) for welding to a pressure chamber plate reinforcement beam (4) and connected to the third flange (15), the second welded plate (16) being arranged parallel to the base plate (14);
the first flanging (11) and the second flanging (12) are arranged at specific angles in the Z direction of the whole vehicle respectively, and the angle formed between the second flanging (12) and the Z direction of the whole vehicle is smaller than the angle formed between the second flanging (12) and the Z direction of the whole vehicle;
first welded plate (13), first turn-ups (11), second turn-ups (12) bottom plate (14) second turn-ups (12) and the integrative stamping forming of second welded plate (16).
3. The fan heater pressure chamber plate welding assembly according to claim 2, further comprising:
and the water retaining platform supporting piece (7) is welded between the bottom plate (14) and the water retaining platform of the front windshield reinforcing piece (2).
4. The fan heater pressure chamber plate welding assembly according to claim 3, further comprising:
and the first flow line groove support plate (5) and the second flow line groove support plate (6) are welded between the first flanging (11) and the pressure chamber plate reinforcing cross beam (4).
5. The warm-air blower pressure chamber plate welding assembly according to claim 4, characterized in that the warm-air blower pressure chamber plate (1) welding assembly further comprises:
the steering support reinforcing plate (3) is welded on the first flanging (11) and the floor, and steering support mounting points (31 and 32) are arranged on the steering support reinforcing plate (3);
the first and second runner duct support plates (5, 6) are arranged between the water deflector support (7) and the steering support stiffener (3).
6. The warm-air blower pressure chamber plate welding assembly according to claim 2, characterized in that the warm-air blower pressure chamber plate (1) welding assembly further comprises:
an air conditioner air inlet (17) is formed in the first flanging 11;
the water baffle (8) is welded on the first flanging (11), and the water baffle (8) is used for preventing outside water from entering the passenger compartment through the air inlet (17) of the air conditioner.
7. The fan heater pressure chamber plate welding assembly according to claim 2, wherein a plurality of concave ribs (91, 92, 93, 94, 95) are formed on a welding surface of the first welding plate (13) welded with the front windshield reinforcement (2) in a downward concave mode, and the concave ribs (91, 92, 93, 94, 95) are used as the instrument board mounting points.
8. An automobile, characterized in that it comprises a fan heater pressure chamber plate welding assembly according to any one of claims 1 to 7.
CN202110870725.6A 2021-07-30 2021-07-30 Warm air blower pressure chamber plate welding assembly and automobile Active CN113460172B (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN114148418A (en) * 2021-11-25 2022-03-08 重庆长安汽车股份有限公司 Warm air blower pressure chamber plate welding assembly and vehicle
CN114872798A (en) * 2022-04-30 2022-08-09 重庆长安汽车股份有限公司 Pressure chamber plate assembly of plastic warm air blower

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