CN220615959U - Threshold beam and vehicle - Google Patents

Abstract

The door sill beam is internally provided with an installation space extending along the length direction of the vehicle, and comprises an exhaust pipeline which is arranged in the installation space and is suitable for being connected with an engine air outlet pipe of the vehicle; wherein, the engine outlet duct is equipped with the linkage segment, and exhaust duct in linkage segment and the threshold roof beam is direct connect, and exhaust duct's cross-sectional area is greater than the cross-sectional area of linkage segment. Through the arrangement, the space occupied by the exhaust pipe is reduced, the space utilization rate of the vehicle body is improved, the vehicle body can provide a larger space for the battery pack, the volume and the electric quantity of the battery pack are improved, and the cruising mileage of the vehicle is improved; and moreover, the exhaust pipeline is suitable for being connected with an engine air outlet pipe, the cross section area of the exhaust pipeline is larger than that of the connecting section, an expansion cavity structure is formed, the noise elimination and reduction function is realized, the noise of the vehicle exhaust pipe is effectively reduced, and the use experience of a user is improved.

Description

Threshold beam and vehicle

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a threshold beam and a vehicle.

Background

The blast pipe of car is used for discharging the gas that the engine produced, in prior art, and the blast pipe is usually exposed outside, and to new energy automobile, the setting of blast pipe has taken up a part of space of automobile body, has reduced the accommodation space of battery package, has influenced energy density and the electric quantity of battery package, is unfavorable for improving the continuation of journey mileage of vehicle, has still reduced the space utilization of vehicle automobile body simultaneously to engine exhaust gas can cause great noise in the blast pipe, influences user's use experience.

Disclosure of Invention

The utility model aims to provide a threshold beam and a vehicle, which solve the technical problem of loud noise of an exhaust pipe in the prior art.

In order to achieve the purpose of the utility model, the utility model provides the following technical scheme:

in a first aspect, the present utility model provides a sill beam, in which an installation space extending in a longitudinal direction of a vehicle is provided, the sill beam including an exhaust duct provided in the installation space, the exhaust duct being adapted to be connected with an engine outlet duct of the vehicle;

the engine air outlet pipe is provided with a connecting section, the connecting section is directly connected with the exhaust pipeline in the threshold beam, and the cross section area of the exhaust pipeline is larger than that of the connecting section.

In a possible implementation manner, the threshold beam further comprises a cooling pipeline, the cooling pipeline is arranged in the installation space, the exhaust pipeline is used for circulating gas to be cooled, the cooling pipeline is used for circulating cooling liquid, and the cooling pipeline is matched with the exhaust pipeline so that the cooling liquid exchanges heat with the gas to be cooled.

In a possible implementation manner, the threshold beam further includes a threshold reinforcement beam, which is located in the installation space and is formed with the exhaust duct and the cooling duct, and the cooling duct is located outside the exhaust duct and surrounds the exhaust duct.

In a possible implementation manner, the exhaust duct and the cooling duct are provided with a reinforcing rib group, and the reinforcing rib group extends along the length direction of the threshold beam reinforcing beam, so as to separate the exhaust duct and the cooling duct into a plurality of sub-channels extending along the length direction of the threshold beam reinforcing beam.

In a possible implementation manner, in the length direction of the threshold reinforcement beam, the reinforcing rib group in the cooling pipe has a first end face and a second end face, where the first end face is spaced from one of the end faces of the threshold reinforcement beam, the second end face is spaced from the other end face of the threshold reinforcement beam, and the first end face and the second end face are both located between the two end faces of the threshold reinforcement beam.

In a possible implementation, a catalytic coating is disposed in the exhaust pipe.

In a possible implementation manner, a reinforcing rib group is arranged in the exhaust pipeline, the reinforcing rib group divides the exhaust pipeline into a plurality of sub-channels extending along the length direction of the vehicle, and at least part of the surface of the reinforcing rib group is provided with the catalytic coating.

In a possible implementation manner, the threshold beam comprises an inner plate and an outer plate which are connected with each other, and the inner plate and the outer plate are surrounded to form the installation space.

In a second aspect, the present utility model provides a vehicle, including a battery pack and a threshold beam provided by any one of the embodiments of the first aspect, the battery pack being connected to the threshold beam, the vehicle further including an engine having an air outlet end for discharging a gas to be cooled and a liquid outlet end for discharging a cooling liquid;

the threshold beam further comprises a cooling pipeline, the cooling pipeline is arranged in the installation space, the air outlet end is communicated with the exhaust pipeline of the threshold beam, and the liquid outlet end is communicated with the cooling pipeline.

In a possible implementation manner, the vehicle further comprises an engine air outlet pipe, a threshold beam air outlet pipe, a cooling liquid inlet pipe and a cooling liquid outlet pipe;

the engine air outlet pipe and the threshold beam air outlet pipe are respectively arranged at two ends of the threshold stiffening beam in the length direction, the engine air outlet pipe is communicated with the air outlet end of the engine and the exhaust pipeline, and the threshold beam air outlet pipe is communicated with the exhaust pipeline;

the cooling liquid inlet pipe and the cooling liquid outlet pipe are respectively arranged at two ends of the threshold stiffening beam in the length direction, the cooling liquid inlet pipe is communicated with the liquid outlet end of the engine and the cooling pipeline, and the cooling liquid outlet pipe is communicated with the cooling pipeline.

In a possible implementation manner, the vehicle further comprises a vibration damping pipe, and the engine air outlet pipe and the outer Zhou Jun of the threshold beam air outlet pipe are sleeved with the vibration damping pipe.

In a possible implementation manner, the vehicle further comprises a heating assembly, the heating assembly is provided with a liquid inlet, and the cooling liquid outlet pipe is communicated with the liquid inlet.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a structure of a threshold beam of an embodiment;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a front end partial cross-sectional view of a threshold beam of an embodiment;

FIG. 4 is a rear end partial cross-sectional view of a threshold beam of an embodiment;

FIG. 5 is a partial cross-sectional view of a vehicle of an embodiment.

Reference numerals illustrate:

1-a threshold beam; 101-a threshold reinforcement beam; 11-spacers; 12-an exhaust duct; 13-cooling pipes; 20-an air outlet pipe of the engine; 21-a connecting segment; 30-a threshold beam air outlet pipe; 40-cooling liquid inlet pipe; 50-cooling the liquid outlet pipe; 60-vibration damping tube; 70-reinforcing rib groups; 71-a first reinforcing plate; 72-a second reinforcing plate; 80-catalytic coating;

201-a first outer plate; 202-a first inner panel; 203-a second outer plate; 204-a second inner panel; 205-mounting a bracket; 206-battery pack; 207-left threshold.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the embodiments of the present utility model, it should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to the orientation or positional relationship described based on the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 4, the embodiment of the present utility model provides a rocker beam 1, in which an installation space extending in the vehicle length direction is provided in the rocker beam 1. An exhaust duct 12 is provided in the installation space, the exhaust duct 12 being adapted to be connected to an engine outlet duct 20 of the vehicle. Wherein, engine outlet duct 20 is equipped with linkage segment 21, and linkage segment 21 and the exhaust duct 12 in the threshold roof beam 1 are direct to be connected, and the cross-sectional area of exhaust duct 12 is greater than the cross-sectional area of linkage segment 21. The cross-sectional areas of the exhaust duct 12 and the connecting section 21 are the areas of the cross-sections taken by a plane perpendicular to the longitudinal direction thereof.

The threshold beam 1 provided by the embodiment of the utility model is suitable for being mounted on the lateral side of the vehicle body in the width direction, for example, the threshold beam 1 can be mounted on the right side or the left side of the vehicle, as shown in fig. 1, the left-right direction in fig. 1 is the length direction of the threshold beam 1, and corresponds to the length direction of the vehicle; the up-down direction in fig. 1 is the height direction of the rocker beam 1, corresponding to the height direction of the vehicle; the left-right direction in fig. 2 is the width direction of the rocker 1, corresponding to the width direction of the vehicle.

In some prior arts, the exhaust pipe of the vehicle is disposed on the floor of the vehicle body, and the space expansion of the vehicle battery pack along the width direction of the vehicle body is limited by the exhaust pipe, which cannot fully utilize the vehicle body space, and affects the capacity expansion of the battery pack, thereby being unfavorable for improving the energy density and total electric quantity of the battery pack in the unit volume of the vehicle body. The exhaust pipe 12 in the threshold beam 1 provided by the embodiment of the utility model is an exhaust pipe, which is equivalent to integrating the exhaust pipe with the threshold beam 1, and can provide a larger space for the battery pack 206 in the width direction of the vehicle body, thereby improving the utilization rate of the vehicle space, providing a larger accommodating space for the battery pack 206, and being beneficial to improving the volume, energy density and electric quantity of the battery pack 206. And under the condition of meeting the battery capacity requirement, the height of the battery pack 206 can be properly shortened, the ground clearance of the whole car is improved, the trafficability of the car is further improved, and the car or the sports car with higher requirements on the ground clearance of the whole car is better adapted.

Illustratively, the exhaust conduit 12 communicates with the external environment such that engine-out gases enter the external environment via the exhaust conduit 12. It is understood that the external environment may be the atmosphere or a gas treatment device such as a muffler, a filter, etc. By setting the cross-sectional area of the exhaust pipe 12 to be larger than that of the connecting section 21, the exhaust back pressure of the exhaust pipe 12 is reduced as much as possible, the exhaust pipe 12 forms an expansion cavity structure with a silencing function, and noise generated by a vehicle is effectively reduced.

According to the threshold beam 1 provided by the embodiment of the utility model, the exhaust pipe 12 is arranged in the installation space, so that the exhaust pipe of the vehicle is integrated in the threshold beam 1, the space occupied by the exhaust pipe is reduced, the space utilization rate of the vehicle body is improved, the vehicle body can provide a larger space for the battery pack, the volume and the electric quantity of the battery pack are improved, and the cruising mileage of the vehicle is improved; and, exhaust duct 12 is suitable for being connected with engine outlet duct 20, and the cross-sectional area of exhaust duct 12 is greater than the cross-sectional area of linkage segment 21, forms the expansion chamber structure, has the noise elimination and falls the function of making an uproar, has effectively reduced the noise of vehicle blast pipe, helps promoting user's use experience.

The threshold beam 1 further comprises a cooling duct 13, which cooling duct 13 is arranged in the installation space, the exhaust duct 12 is for the circulation of the gas to be cooled, and the cooling duct 13 is for the circulation of the cooling liquid, wherein the cooling duct 13 cooperates with the exhaust duct 12 for heat exchange of the cooling liquid with the gas to be cooled.

Specifically, the gas to be cooled flowing in the exhaust duct 12 is not in contact with but capable of heat exchange with the coolant flowing in the cooling duct 13, and the temperature of the coolant is smaller than the temperature of the gas to be cooled, so that the temperature of the gas to be cooled is reduced by heat exchange, and the heat harmful effect of the high-temperature gas to be cooled on other parts of the vehicle or the passengers is reduced.

In an alternative embodiment, the exhaust pipe 12 is communicated with the air outlet pipe 20 of the engine, the air discharged from the engine is the air to be cooled, the cooling pipe 13 is communicated with the liquid outlet end of the engine of the vehicle, the liquid discharged from the engine is the cooling liquid, the temperature of the liquid discharged from the engine is less than or equal to 90 ℃ and the boiling point of the liquid is more than 108 ℃, the temperature of the air discharged from the engine can reach more than 500 ℃, and the air to be cooled can be effectively cooled by utilizing the difference (108 ℃ -90 ℃) of the heat of the liquid discharged from the engine. In the embodiment, the liquid discharged by the engine is used as cooling liquid to cool the high-temperature gas discharged by the engine, so that energy resources are fully utilized, the running cost of the vehicle is saved, the space for arranging the independent cooling assembly is also saved, and the space utilization rate of the vehicle is improved.

In a specific embodiment, the threshold beam 1 further comprises a threshold reinforcement beam 101, the threshold reinforcement beam 101 being located in the installation space and being formed with an exhaust duct 12 and a cooling duct 13, the cooling duct 13 being located outside the exhaust duct 12 and surrounding the exhaust duct 12.

Through making cooling duct 13 encircle in exhaust duct 12's periphery side, treat the cooling gas and fully cool down the cooling, improve cooling efficiency and cooling effect to, the lower coolant liquid of temperature is located the higher periphery side of treating the cooling gas of temperature, can fully isolate the heat conduction of treating the cooling gas and threshold stiffening beam 101 outer wall, thereby effectively reduce the surface temperature of threshold stiffening beam 101, reduce the high temperature and treat the heat injury influence of cooling gas to the passenger, improve the security and the reliability of threshold beam 1.

Alternatively, the rocker 1 includes a partition 11, the partition 11 being for partitioning an exhaust duct 12 and a cooling duct 13, the partition 11 having a circular cross section, the exhaust duct 12 being located inside the partition 11, the cooling duct 13 being located outside the partition 11. It will be appreciated that the cross section of the partition 11 is a cross section taken in a plane perpendicular to the length direction of the rocker beam 1. The partition 11 extends in the longitudinal direction of the rocker reinforcement beam 101, and the partition 11 has a cylindrical shell shape. Wherein, the spacer 11 can adopt the connecting rib to be connected with the inner wall of the threshold stiffening beam 101, realizes the fixing of spacer 11, and illustratively, the connecting rib extends along the length direction of threshold stiffening beam 101, and a plurality of connecting ribs are along the circumference interval distribution of spacer 11, avoid influencing the flow of cooling liquid in cooling pipeline 13.

In another alternative embodiment, the partition 11 has an elongated plate shape or an arc plate shape and extends in the longitudinal direction of the sill reinforcement 101, dividing the exhaust duct 12 and the cooling duct 13 into two adjacent portions, for example, the exhaust duct 12 and the cooling duct 13 are arranged up and down or left and right as viewed in the longitudinal direction of the sill reinforcement 101.

Optionally, the exhaust duct 12 and the cooling duct 13 are each provided with a reinforcing rib group 70, and the reinforcing rib group 70 extends along the length direction of the sill reinforcing beam 101 to partition the exhaust duct 12 and the cooling duct 13 into a plurality of sub-channels extending along the length direction of the sill reinforcing beam 101.

In a specific embodiment, the reinforcing rib group 70 includes a first reinforcing plate 71 and a second reinforcing plate 72, where the first reinforcing plate 71 and the second reinforcing plate 72 are disposed in a crossing manner, the number of the first reinforcing plate 71 and the second reinforcing plate 72 is plural, the first reinforcing plates 71 are distributed in parallel at intervals, the second reinforcing plates 72 are distributed in parallel at intervals, and the first reinforcing plates 71 and the second reinforcing plates 72 are intersected with each other and have a certain included angle, and form a grid or a grid on the cross section of the sill reinforcing beam 101. Illustratively, the first reinforcing plate 71 is substantially parallel to the width direction of the rocker reinforcement beam 101, the second reinforcing plate 72 is parallel to the height direction of the rocker reinforcement beam 101, the first reinforcing plate 71 is approximately perpendicular to the second reinforcing plate 72, and the coolant or the gas to be cooled passes through the gap between the first reinforcing plate 71 and the second reinforcing plate 72.

In a further embodiment, the rib group 70 in the cooling duct 13 has a first end face and a second end face in the longitudinal direction of the sill reinforcement beam 101, the first end face being spaced apart from one of the end faces of the sill reinforcement beam 101, the second end face being spaced apart from the other end face of the sill reinforcement beam 101, and both the first end face and the second end face being located between the two end faces of the sill reinforcement beam 101. Specifically, the length of the reinforcing rib group 70 in the cooling pipe 13 is slightly smaller than the length of the threshold reinforcement beam 101 so as to spread over the inner cavity of the threshold reinforcement beam 101, so as to provide sufficient support and protection for the threshold reinforcement beam 101, improve the structural strength of the threshold reinforcement beam 101, and effectively reduce the influence of external impact on the threshold reinforcement beam 101. And, the first terminal surface and the second terminal surface of strengthening rib group 70 set up with the terminal surface interval of threshold stiffening beam 101 respectively, can form the conflux chamber of coolant liquid at threshold stiffening beam 101 along length direction's both ends to make the coolant liquid disperse evenly in cooling duct 13, improve cooling efficiency.

The exhaust pipe 12 is provided with a catalytic coating 80, and the catalytic coating 80 may include one or more of a platinum coating, a palladium coating and a rhodium coating, where the catalytic coating 80 is used to catalyze hydrocarbons, nitrogen oxides and carbon monoxide in the gas to be cooled, so as to reduce emission of harmful gases and purify tail gas of a vehicle.

Optionally, a reinforcing rib group 70 is disposed in the exhaust pipe 12, the reinforcing rib group 70 divides the exhaust pipe 12 into a plurality of sub-channels extending along the vehicle length direction, and at least part of the surface of the reinforcing rib group 70 is provided with a catalytic coating 80, which is helpful to increase the area of the catalytic coating 80 and enhance the catalytic effect.

Optionally, the front end region of the exhaust pipe 12, which is located only on one side in the intake direction, is coated with a catalytic coating 80, which reduces costs while ensuring the catalytic effect.

In one embodiment, the rocker 1 comprises an inner plate and an outer plate connected to each other, which enclose an installation space in which the rocker reinforcement beam 101 is located. Specifically, as shown in fig. 5, the rocker 1 is provided with a first outer panel 201 and a first inner panel 202 that are connected to each other, the first inner panel 202 being located on a side closer to the center of the vehicle body than the first outer panel 201.

The utility model also provides a vehicle comprising the battery pack 206 and the threshold beam 1 provided in any of the above embodiments, wherein the battery pack 206 is connected with the threshold beam 1.

Specifically, the vehicle includes a vehicle body to which the battery pack 206 is mounted, and the rocker beam 1 is provided on the side of the vehicle body width square and outside the battery pack 206. The vehicle can be a new energy vehicle such as a pure electric vehicle, a range-extended electric vehicle, a hybrid electric vehicle, a fuel cell electric vehicle, a hydrogen engine vehicle and the like, and the battery pack 206 is used as a power source.

The vehicle further comprises an engine, wherein the engine is provided with an air outlet end and a liquid outlet end, the air outlet end is used for discharging air to be cooled, and the liquid outlet end is used for discharging cooling liquid. The threshold beam 1 further comprises a cooling pipeline 13, the cooling pipeline 13 is arranged in the installation space, the air outlet end of the engine is communicated with the exhaust pipeline 12 of the threshold beam 1, the liquid outlet end of the engine is communicated with the cooling pipeline 13, the air discharged by the engine is the air to be cooled, the liquid discharged by the engine is the cooling liquid, the temperature of the liquid discharged by the engine is less than or equal to 90 ℃ and the boiling point of the liquid is more than 108 ℃, the temperature of the gas discharged by the engine can reach more than 500 ℃, and the heat difference (108-90 ℃) of the liquid discharged by the engine can be utilized to effectively cool the air to be cooled. In the embodiment, the liquid discharged by the engine is used as cooling liquid to cool the high-temperature gas discharged by the engine, so that energy resources are fully utilized, the running cost of the vehicle is saved, the space for arranging the independent cooling assembly is also saved, and the space utilization rate of the vehicle is improved.

The vehicle further includes an engine outlet duct 20, a sill beam outlet duct 30, a cooling inlet duct 40 and a cooling outlet duct 50. As shown in fig. 1, the cooling liquid inlet pipe 40 and the cooling liquid outlet pipe 50 are located below the engine air outlet pipe 20 and the rocker air outlet pipe 30 in the height direction of the rocker reinforcement beam 101. Alternatively, the cooling liquid inlet pipe 40 and the cooling liquid outlet pipe 50 may be located above the engine outlet pipe 20 and the rocker outlet pipe 30 in the height direction of the rocker reinforcement beam 101.

The engine air outlet pipe 20 and the threshold beam air outlet pipe 30 are respectively arranged at two ends of the threshold stiffening beam 101 in the length direction, the engine air outlet pipe 20 and the threshold beam air outlet pipe 30 are communicated with the exhaust pipeline 12, and the engine air outlet pipe 20 is used for communicating an air outlet end of an engine with the exhaust pipeline 12. The gas to be cooled enters the exhaust pipeline 12 from the engine air outlet pipe 20 and then flows out from the threshold beam air outlet pipe 30. Illustratively, the rocker outlet duct 30 communicates with the atmosphere, the tailpipe of the vehicle, or a muffler.

The cooling liquid inlet pipe 40 and the cooling liquid outlet pipe 50 are respectively arranged at two ends of the threshold stiffening beam 101 in the length direction, the cooling liquid inlet pipe 40 and the cooling liquid outlet pipe 50 are both communicated with the cooling pipeline 13, and the cooling liquid inlet pipe 40 is used for communicating the liquid outlet end of the engine with the cooling pipeline 13. The cooling liquid enters the cooling pipeline 13 from the cooling liquid inlet pipe 40 and then flows out from the cooling liquid outlet pipe 50. When the engine is started, gas generated by the engine is discharged from the air outlet end of the engine and enters the exhaust pipeline 12 through the air outlet pipe 20 of the engine, and meanwhile, when the engine is started for large circulation, liquid discharged by the engine enters the cooling pipeline 13 through the cooling liquid inlet pipe 40; when the engine is not started, the engine does not exhaust gas, no cooling liquid flows in the cooling pipeline 13, and the energy consumption of the whole vehicle can be reduced.

In a specific embodiment, the engine air outlet pipe 20 is provided with a connecting section 21, the connecting section 21 is directly connected with the exhaust pipeline 12 in the threshold beam 1, the cross-sectional area of the exhaust pipeline 12 is larger than the cross-sectional area of the connecting section 21 and the cross-sectional area of the threshold beam air outlet pipe 30, the silencing and noise reducing functions of air to be cooled are realized, and the silencing structure is integrated in the threshold reinforcing beam 101, so that the occupation of the vehicle space by independently arranging the silencer is reduced to a certain extent, and the space utilization of the vehicle is further improved.

The vehicle further comprises a vibration reduction pipe 60, and the vibration reduction pipe 60 is sleeved on the outer side Zhou Jun of the engine air outlet pipe 20 and the threshold beam air outlet pipe 30. As shown in fig. 3 and 4, the vibration absorbing tube 60 is sleeved on the outer circumferences of the engine air outlet tube 20 and the threshold beam air outlet tube 30, and the vibration absorbing tube 60 is used for absorbing vibration and preventing the engine air outlet tube 20 and the threshold beam air outlet tube 30 from being cracked due to rigid connection. By way of example, shock tube 60 may be a metal bellows having a deformability capable of absorbing vibrations and certain axial and radial displacements.

The rocker 1 is adapted to be mounted to a widthwise side of a vehicle body, for example, the rocker 1 may be mounted to a right side or a left side of the vehicle. Fig. 5 is a view from the front end toward the rear end of the vehicle body, the rocker beam 1 provided with the exhaust duct 12 and the cooling duct 13 is located on the right side of the vehicle body, and the left side of the vehicle body is provided with the left rocker 207 without the exhaust duct 12 and the cooling duct 13, the battery pack 206 is mounted between the rocker beam 1 and the left rocker 207, and the rocker beam 1 and the left rocker 207 are located on opposite sides of the battery pack 206, respectively. Through integrating blast pipe and threshold roof beam 1 as an organic whole, can provide bigger space for battery package 206 in automobile body width direction, improve the utilization ratio to the vehicle space, provide bigger accommodation space for battery package 206, be favorable to promoting volume, energy density and the electric quantity of battery package 206. And under the condition of meeting the battery capacity requirement, the height of the battery pack 206 can be properly shortened, the ground clearance of the whole car is improved, the trafficability of the car is further improved, and the car or the sports car with higher requirements on the ground clearance of the whole car is better adapted.

Still further, the mounting brackets 205 are disposed below the sill beam 1 and below the left sill 207, and the battery pack 206 is fixed to the mounting brackets 205 by fasteners such as bolts, so that the battery pack 206 is connected with the sill beam 1 and the left sill 207, and the battery pack 206 is used as a part of the vehicle body, thereby being beneficial to improving the torsional rigidity of the vehicle body. Specifically, the rocker 1 includes a first outer panel 201 and a first inner panel 202 that are connected to each other, the first inner panel 202 is located on a side near the center of the vehicle body with respect to the first outer panel 201, a mounting bracket 205 is connected below the first inner panel 202, a second outer panel 203 and a second inner panel 204 that are connected to each other are provided around the outer periphery of the left rocker 207, the second inner panel 204 is located on a side near the center of the vehicle body with respect to the second outer panel 203, and a mounting bracket 205 is connected below the second inner panel 204.

The vehicle further comprises a heating component, the heating component is used for improving the temperature in the passenger cabin, the cooling liquid outlet pipe 50 is communicated with a liquid inlet of the heating component, the cooling liquid with higher temperature is discharged by the cooling liquid outlet pipe 50, the warm-up time of the heating component is shortened, rapid heating is realized, the comfort level of passengers in the passenger cabin of the vehicle is improved, the energy utilization rate is improved, the energy consumption of the heating component is reduced, and the running cost of the vehicle is saved.

In the description of the present specification, a description referring to the terms "embodiment," "specific embodiment," "example," or "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, but all or part of the procedures for implementing the above embodiments can be modified by one skilled in the art according to the scope of the appended claims.

Claims (12)

1. The door sill beam is characterized in that an installation space extending along the length direction of a vehicle is arranged in the door sill beam, the door sill beam comprises an exhaust pipeline, the exhaust pipeline is arranged in the installation space, and the exhaust pipeline is suitable for being connected with an engine air outlet pipe of the vehicle;

the engine air outlet pipe is provided with a connecting section, the connecting section is directly connected with the exhaust pipeline in the threshold beam, and the cross section area of the exhaust pipeline is larger than that of the connecting section.

2. The threshold beam of claim 1, further comprising a cooling duct disposed in the installation space, the exhaust duct for circulating a gas to be cooled, the cooling duct for circulating a cooling liquid, wherein the cooling duct cooperates with the exhaust duct to heat exchange the cooling liquid with the gas to be cooled.

3. The rocker beam as claimed in claim 2, characterized in that the rocker beam further comprises a rocker reinforcement beam, which is located in the installation space and is formed with the exhaust duct and the cooling duct, which is located outside the exhaust duct and surrounds the exhaust duct.

4. A rocker beam as claimed in claim 3, wherein the exhaust duct and the cooling duct are each provided with a set of reinforcing ribs extending along the length of the rocker beam reinforcement beam to divide the exhaust duct and the cooling duct into a plurality of sub-channels extending along the length of the rocker beam.

5. The threshold beam of claim 4, wherein in the longitudinal direction of the threshold reinforcement beam, the set of reinforcing ribs in the cooling duct has a first end face and a second end face, the first end face is disposed at a distance from one of the end faces of the threshold reinforcement beam, the second end face is disposed at a distance from the other end face of the threshold reinforcement beam, and the first end face and the second end face are both located between the two end faces of the threshold reinforcement beam.

6. The threshold beam of claim 1, wherein a catalytic coating is disposed within the exhaust duct.

7. The rocker beam of claim 6 wherein a set of ribs is disposed within the exhaust duct, the set of ribs separating the exhaust duct into a plurality of sub-channels extending along the length of the vehicle, at least a portion of the surface of the set of ribs being provided with the catalytic coating.

8. A rocker beam as claimed in claim 3, characterized in that the rocker beam comprises an inner plate and an outer plate connected to each other, which inner plate and outer plate enclose the installation space.

9. A vehicle comprising a battery pack and a rocker beam according to any one of claims 1 to 8, the battery pack being connected to the rocker beam, the vehicle further comprising an engine having an air outlet end for discharging a gas to be cooled and a liquid outlet end for discharging a cooling liquid;

the threshold beam further comprises a cooling pipeline, the cooling pipeline is arranged in the installation space, the air outlet end is communicated with the exhaust pipeline of the threshold beam, and the liquid outlet end is communicated with the cooling pipeline.

10. The vehicle of claim 9, further comprising an engine outlet duct, a rocker outlet duct, a cooling inlet duct, and a cooling outlet duct;

the engine air outlet pipe and the threshold beam air outlet pipe are respectively arranged at two ends of the threshold stiffening beam in the length direction, the engine air outlet pipe is communicated with the air outlet end of the engine and the exhaust pipeline, and the threshold beam air outlet pipe is communicated with the exhaust pipeline;

the cooling liquid inlet pipe and the cooling liquid outlet pipe are respectively arranged at two ends of the threshold stiffening beam in the length direction, the cooling liquid inlet pipe is communicated with the liquid outlet end of the engine and the cooling pipeline, and the cooling liquid outlet pipe is communicated with the cooling pipeline.

11. The vehicle of claim 10, further comprising a shock tube, wherein the shock tube is sleeved on an outer Zhou Jun of the engine outlet tube and the rocker outlet tube.

12. The vehicle of claim 10, further comprising a heating assembly having a liquid inlet, the cooling liquid outlet tube in communication with the liquid inlet.