Jacking device, vehicle frame assembly and vehicle

Abstract

The utility model relates to the technical field of vehicles, and provides a jacking device, a vehicle frame assembly and a vehicle. The jacking device comprises a gas storage structure and a jacking structure. The jacking structure comprises an air chamber and a jacking piece movably arranged in the air chamber, at least part of the jacking piece can stretch out of the air chamber, the jacking piece is used for being connected with the engine cover, and the air chamber is provided with an air vent capable of being communicated with an inner cavity of the air storage structure so that when the air storage structure supplies air into the air chamber, the jacking piece can move in the direction of the engine cover. The engine cover is jacked up; gas is supplied to the gas chamber after the gas storage structure is communicated with the gas chamber, the jacking piece moves to jack the engine cover, driving force for movement of the jacking piece is provided by gas in the gas storage structure, and the situation that the jacking device can only be used for one time due to the fact that the jacking piece is driven to move in a gunpowder ignition mode is avoided. And the jacking device can be repeatedly used by supplying air to the jacking structure through the air storage structure, so that the maintenance cost of the vehicle is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vehicles, and in particular to a jacking device, a vehicle frame assembly and a vehicle. Background Art

[0002] In order to improve pedestrian safety, active hood technology has gradually been applied. Active hood technology is to set a lifter at the lower part of the hinge of the hood. When the front of the vehicle collides with a pedestrian, the lifter can be instantly detonated and pushed out to lift the rear of the hood to reduce the impact of the pedestrian's collision. As the main actuator of active hood technology, the lifter is usually an independent gunpowder lifter. The gunpowder releases a large amount of gas when it is detonated to push the lifting part out instantly. It can only be used once and cannot be reused after detonation. It can only be replaced, and the maintenance cost is high. Utility Model Content

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a jacking device, a vehicle frame assembly and a vehicle.

[0004] A first aspect of the present disclosure provides a lifting device, comprising a gas storage structure and a lifting structure;

[0005] The lifting structure includes an air chamber and a lifting member movably arranged in the air chamber, at least a part of the lifting member can extend out of the air chamber, and the lifting member is used to be connected to the engine cover, and the air chamber has an air vent that can communicate with the inner cavity of the air storage structure, so that when the air storage structure supplies air to the air chamber, the lifting member moves toward the engine cover to lift the engine cover.

[0006] Optionally, the lifting structure includes a lifting shell, and the inner cavity of the lifting shell forms the air chamber;

[0007] The lifting shell is installed on the gas storage structure, the air vent is arranged at one end of the lifting shell close to the gas storage structure, and the lifting member can move in a direction away from the gas storage structure to lift up the engine cover.

[0008] Optionally, the gas storage structure is provided with a mounting hole, the mounting hole is connected to the inner cavity of the gas storage structure, the lifting shell is passed through the mounting hole and is sealed with the hole wall of the mounting hole, and the vent is opened on the part of the lifting shell located inside the inner cavity of the gas storage structure.

[0009] Optionally, the lifting structure further includes a valve body, which is disposed at the vent and controls the connection and separation between the air chamber and the air storage structure.

[0010] A second aspect of the present disclosure provides a vehicle frame assembly, comprising a roof rail, an engine cover, and a jacking device as described in any one of the above items;

[0011] The upper side beam is located below the engine cover, and the lifting device is arranged on the upper side beam.

[0012] Optionally, the gas storage structure is integrated on the upper side beam.

[0013] Optionally, a suspension air spring is also included, and the gas storage structure is connected to the suspension air spring so that the gas storage structure can provide gas to the suspension air spring.

[0014] Optionally, the engine hood includes a hood body and a hood hinge, the hood hinge is connected to the lower side of the hood body, the lifting member is connected to the hood hinge, and the lifting member drives the hood hinge to move the hood body in a direction away from the upper side beam.

[0015] A third aspect of the present disclosure provides a vehicle, comprising a vehicle frame assembly as described in any one of the above items.

[0016] Optionally, the vehicle includes a cylinder, which is connected to the gas storage structure so that the gas in the cylinder can enter the inner cavity of the gas storage structure.

[0017] Compared with the prior art, the technical solution provided by the embodiments of the present disclosure has the following advantages:

[0018] The jacking device, vehicle frame assembly and vehicle provided by the present invention are configured to include a gas storage structure and a jacking structure; the jacking structure includes an air chamber and a jacking piece movably arranged in the air chamber, at least part of the jacking piece can extend out of the air chamber, and the jacking piece is used to connect with the engine cover, the air chamber has an air vent that can be connected with the inner cavity of the gas storage structure, so that when the gas storage structure supplies air into the air chamber, the jacking piece moves toward the engine cover to lift the engine cover; the gas storage structure is connected with the air chamber and then supplies air to the air chamber, so that the jacking piece moves to lift the engine cover, and the driving force for the movement of the jacking piece is provided by the gas in the gas storage structure, thereby avoiding the use of gunpowder ignition method to drive the jacking piece to move so that the jacking device can only be used once, and the jacking device can be reused by supplying air to the jacking structure through the gas storage structure, thereby reducing the vehicle maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 It is a schematic cross-sectional structural diagram of the lifting device according to the embodiment of the present disclosure;

[0022] Figure 2 It is a structural schematic diagram of the vehicle frame assembly according to an embodiment of the present disclosure;

[0023] Figure 3 It is a side view of a vehicle frame assembly according to an embodiment of the present disclosure.

[0024] Reference numerals:

[0025] 1. Lifting structure; 11. Lifting shell; 12. Air chamber; 13. Connecting line; 2. Lifting member; 3. Valve body; 4. Air storage structure; 41. Air guide pipe; 5. Upper side beam; 51. Hood hinge; 6. Connecting column. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0028] Reference Figures 1 to 3 As shown, the first aspect of the embodiment of the present disclosure provides a lifting device, including an air storage structure 4 and a lifting structure 1; the lifting structure 1 includes an air chamber 12 and a lifting member 2 movably arranged in the air chamber 12, at least part of the lifting member 2 can extend out of the air chamber 12, and the lifting member 2 is used to connect with the engine cover, the air chamber 12 has an air vent that can be connected to the inner cavity of the air storage structure 4, so that when the air storage structure 4 supplies air to the air chamber 12, the lifting member 2 moves toward the engine cover to lift the engine cover.

[0029] Specifically, the gas storage structure 4 can be selected as a rectangular or cylindrical tank body, and the gas storage structure 4 has a gas storage space inside, and the high-pressure gas is stored in the gas storage space; the lifting structure 1 can be selected as a rectangular or cylindrical structural member, and the inside of the lifting structure 1 is hollow, so that the internal space of the lifting structure 1 is used as the air chamber 12, and a through hole is provided on the side of the lifting structure 1, so that the lifting member 2 passes through the through hole and enters the air chamber 12. When the lifting member 2 moves, part of the lifting member 2 can be selected to pass through the through hole on the lifting structure 1 and extend out of the air chamber 12. 2. Of course, it is also possible to choose that all the lifting members 2 can pass through the through holes on the lifting structure 1 and extend out of the air chamber 12; the lifting member 2 can be selected as a piston rod, and the part of the piston rod located in the air chamber 12 abuts against the inner wall of the air chamber 12, so that the part of the air chamber 12 between the piston rod and the air vent forms a sealed space, so that after the gas in the gas storage structure 4 quickly enters the air chamber 12 through the air vent, the pressure in the part of the air chamber 12 between the air vent and the piston rod can rise rapidly, thereby pushing the lifting member 2 to move upward and lift the engine cover.

[0030] When the vehicle is driving normally, the gas storage structure 4 and the air chamber 12 of the above-mentioned lifting device are separated from each other. When the vehicle collides with a pedestrian, the gas storage structure 4 is connected to the air chamber 12, so that the high-pressure gas in the gas storage structure 4 quickly enters the air chamber 12, and the gas pressure in the partial space between the lifting member 2 and the vent in the air chamber 12 rises rapidly, so that the lifting member 2 moves upward to lift the engine cover. The engine cover is lifted and contacts the pedestrian, thereby protecting the pedestrian and reducing the injury to the pedestrian.

[0031] Among them, the surface of the lifting structure 1 can be provided with a through hole as a vent, and a valve body 3 can be provided on the vent. When the valve body 3 is opened, the gas in the gas storage structure 4 can enter the air chamber 12 through the vent. Of course, the gas storage structure 4 can also be connected to the vent through an air pipe, and a valve is provided on the air pipe. When the valve is opened, the gas in the gas storage structure 4 can be input into the air chamber 12 through the air pipe. When the lifting device is used, the side away from the ground in the vertical direction can be selected as the top side, and the side close to the ground in the vertical direction can be selected as the bottom side. The top side of the lifting structure 1 can be provided with a through hole for the lifting member 2 to pass through, and the vent can be provided on the bottom side of the lifting structure 1, so that after the gas enters the air chamber 12 through the vent, it can push the lifting member 2 to move upward and lift the engine cover.

[0032] When the lifting device provided by the embodiment of the present disclosure is used specifically, high-pressure gas is stored in the gas storage structure 4. When a vehicle collides with a pedestrian during driving, the gas storage structure 4 is connected to the air chamber 12, and the high-pressure gas in the gas storage structure 4 quickly enters the air chamber 12. The gas pressure in at least part of the air chamber 12 between the vent and the lifting member 2 rises rapidly, causing the lifting member 2 to rise rapidly to push the engine cover up, thereby protecting pedestrians and reducing injuries to pedestrians.

[0033] The jacking device provided in the embodiment of the present disclosure has an air storage structure 4 that is connected to the air chamber 12 and supplies air to the air chamber 12, so that the jacking member 2 moves to lift the engine cover. The driving force for the movement of the jacking member 2 is provided by the gas in the air storage structure 4, thereby avoiding the use of gunpowder ignition to drive the jacking member 2 to move, which would make the jacking device only usable once. The jacking device can be reused by inflating the air storage structure 4, thereby reducing the vehicle maintenance cost.

[0034] Reference Figure 1 As shown, in some embodiments, the lifting structure 1 includes a lifting shell 11, and the inner cavity of the lifting shell 11 forms an air chamber 12; the lifting shell 11 is installed on the air storage structure 4, and the vent is arranged at one end of the lifting shell 11 close to the air storage structure 4, and the lifting member 2 can move in a direction away from the air storage structure 4 to lift the engine cover.

[0035] Specifically, the lifting shell 11 can be selected as a rectangular or cylindrical shell, and the internal space of the lifting shell 11 serves as the air chamber 12. A through hole is set on the lifting shell 11 as a vent. The vent can be selected to be set at the bottom of the lifting shell 11, and of course, the vent can also be selected to be set on the side of the lifting shell 11.

[0036] The above-mentioned lifting shell 11 can be optionally provided with an movable window for the lifting member 2 to extend out, and the lifting member 2 is inserted into the movable window. The lifting member 2 located in the air chamber 12 can be selected to abut against the inner wall of the air chamber 12, so that the end of the lifting member 2 in the air chamber 12 is sealed and connected with the inner wall of the air chamber 12; the vent can be selected to be located on the side of the lifting shell 11 facing away from the window through which the lifting member 2 extends out, and the vent is connected to the air chamber 12, so that after the gas enters the air chamber 12 through the vent, the gas pressure in the part of the air chamber 12 between the end of the lifting member 2 in the air chamber 12 and the vent rises rapidly, so as to drive the lifting member 2 to move in the direction away from the air chamber 12; of course, the vent can also be selected to be provided on the side of the lifting shell 11, as long as the vent is located on the side of the lifting shell 11 where the end of the lifting member 2 in the air chamber 12 is facing away from the movable window, the gas can push the lifting member 2 to move in the direction away from the air chamber 12 after entering the air chamber 12 through the vent.

[0037] The above-mentioned gas storage structure 4 can be selectively arranged below the engine cover, and an opening can be selectively arranged on the surface of the gas storage structure 4, the lifting shell 11 is inserted into the opening, and the vent is located on the part of the lifting shell 11 inside the gas storage structure 4; of course, the gas storage structure 4 can also be selected to be arranged below the engine cover, the lifting shell 11 is arranged between the gas storage structure 4 and the engine cover, one end of the lifting shell 11 is connected to the surface of the gas storage structure 4 so that the lifting shell 11 is installed on the gas storage structure 4, and an air outlet is provided on the side of the gas storage structure 4, and the air outlet and the air vent are connected by a gas pipe so that the gas storage structure 4 can be connected to the air chamber 12.

[0038] The above-mentioned vent is located at one end of the lifting shell 11 close to the gas storage structure 4. After the gas in the gas storage structure 4 enters the air chamber through the vent, the air pressure on the side of the lifting member 2 close to the gas storage structure 4 increases, so as to push the lifting member 2 to move in the direction away from the gas storage structure 4, so that the lifting member 2 moves toward the engine cover and lifts the engine cover.

[0039] By setting the lifting shell 11 on the gas storage structure 4, the lifting structure 1 and the gas storage structure 4 are integrated, the space occupied by the lifting structure 1 and the gas storage structure 4 is reduced, and the air vent is located on the side close to the gas storage structure 4 to ensure that after the gas in the gas storage structure 4 enters the air chamber 12 through the air vent, the lifting member 2 can move in a direction away from the gas storage structure 4 under the push of the gas in the air chamber 12 to lift the engine cover.

[0040] Reference Figure 1 As shown, in some embodiments, a mounting hole is provided on the gas storage structure, the mounting hole is connected to the inner cavity of the gas storage structure 4, the lifting shell 11 is passed through the mounting hole, and is sealed with the hole wall of the mounting hole, and the vent is opened on the part of the lifting shell located inside the inner cavity of the gas storage structure 4.

[0041] Specifically, a circular or square through hole can be selected to be set on the side of the gas storage structure 4 as an installation hole, and the installation hole matches the shape of the lifting shell 11. After the lifting shell 11 is inserted into the installation hole, the lifting shell 11 can be selected to be connected to the gas storage structure 4 by welding to make the lifting shell 11 and the installation hole sealed. Of course, the gap between the lifting shell 11 and the gas storage structure 4 can also be filled with sealant to make the lifting shell 11 and the installation hole of the gas storage structure 4 sealed.

[0042] The above-mentioned lifting shell 11 is provided with a partial shell of the vent which is located inside the gas storage structure 4. A valve body 3 can be optionally installed at the vent so that when the valve body 3 is opened, the gas inside the gas storage structure 4 can enter the air chamber 12 through the vent. When the valve body 3 is closed, the air chamber 12 is separated from the space for storing gas in the gas storage structure 4, so that the gas in the gas storage structure 4 will not enter the air chamber 12.

[0043] Since the gas pressure stored in the gas storage structure 4 is relatively high, the gas pipe is easily damaged when connecting the vent and the gas storage structure 4 to transport the gas. By passing the lifting shell 11 through the mounting hole, and the vent is arranged on the part of the lifting shell 11 located inside the gas storage structure 4, the vent can be connected to the interior of the gas storage structure 4 without using an gas pipe. The lifting shell 11 is sealed and connected to the mounting hole, so that the air chamber 12 can be connected to the gas storage structure 4 through the vent, thereby improving the stability of the gas storage structure 4 when providing gas to the air chamber 12.

[0044] Reference Figure 1 As shown, in some embodiments, the lifting structure further includes a valve body 3, which is arranged at the vent, and the valve body 3 controls the connection and separation of the air chamber 12 and the air storage structure 4. In this way, when the vehicle is driving normally, the air storage structure 4 and the air chamber 12 can be separated from each other, and when the vehicle collides with a pedestrian, the valve body 3 is opened to connect the air storage structure 4 with the air chamber 12.

[0045] The above-mentioned valve body 3 can be selected as an electromagnetically controlled valve, which can control the opening and closing of the valve body 3 through electric current, has high control accuracy, and has a stable and reliable structure, which can ensure the control accuracy of the valve body 3 when in use; of course, it can also be selected as a hydraulic valve. As long as the valve body 3 is opened, the gas in the gas storage structure 4 can enter the air chamber 12, thereby increasing the gas pressure in the air chamber 12 to push the lifting member 2 to move.

[0046] Specifically, the valve body 3 can be selected to include a valve main body and an electromagnetic drive device, and the electromagnetic drive device is connected to the valve main body so that the electromagnetic drive device can drive the valve main body to open and close. The jacking device can be selected to be installed on the vehicle, and the solenoid valve is connected to the vehicle-mounted controller, so that the vehicle-mounted controller can control the opening and closing operations of the valve body 3 by transmitting an electrical signal to the electromagnetic drive device.

[0047] In some embodiments, the valve body 3 is electrically connected to a controller of the vehicle so that the controller controls the opening and closing of the valve body 3. In this way, the controller can control the opening and closing of the valve body 3 according to the actual situation of the vehicle operation, so that the controller controls whether the lifting device lifts the engine cover.

[0048] Specifically, the controller can be selected to be electrically connected to the valve body 3 so that the controller controls the opening and closing of the valve body 3; the controller can be selected to be an on-board computer or an on-board chip of the vehicle, and the valve body 3 is electrically connected to the controller so that the controller can send a control signal to the valve body 3, and the valve body 3 is opened or closed after receiving the control signal sent by the controller.

[0049] It can be selected that when the vehicle is in normal use or the air storage structure 4 needs to be inflated, the controller controls the valve body 3 to close, the air chamber 12 in the lifting shell 11 is separated from the space in the air storage structure 4, the engine cover will not be lifted up, and compressed air or other high-pressure gas can be rushed into the air storage structure 4, so that when the valve body 3 is opened, the gas pressure in the air storage structure 4 can drive the lifting part 2 to move quickly.

[0050] When a vehicle collides with a pedestrian, the vehicle's sensor will send a collision signal to the controller. After detecting the collision signal, the controller drives the valve body 3 to open, and the gas in the gas storage structure 4 quickly enters the air chamber 12, causing the lifting member 2 to move quickly toward the engine cover. The engine cover is lifted up by the lifting member 2, thereby protecting the pedestrian who has been collided.

[0051] A connecting wire 13 can be optionally provided on the above-mentioned lifting shell 11, and part of the connecting wire 13 is attached to the outer side surface of the lifting shell 11. One end of the connecting wire 13 is electrically connected to the valve body 3, and the other end extends in a direction away from the lifting shell 11 to be electrically connected to the controller, thereby electrically connecting the controller to the valve body 3.

[0052] Reference Figure 1 , Figure 2 and Figure 3 As shown, a second aspect of the embodiment of the present disclosure provides a vehicle frame assembly, including an upper side beam 5, an engine cover and a jacking device as described in any one of the above items;

[0053] The upper side beam 5 is located below the engine cover, and the jacking device is arranged on the upper side beam 5 .

[0054] Specifically, when the vehicle is normally placed on the ground, the direction toward the front of the vehicle is the front, the direction toward the parking space is the rear, the side of the vehicle close to the ground is the lower side, and the side of the vehicle away from the ground is the upper side; the lifting member 2 can be selected to be connected to the engine cover, so that the lifting member 2 drives the engine cover to move upward in the direction away from the upper side beam 5. The engine cover can be selected to be the engine cover located at the front of the vehicle, and the upper side beam 5 is a beam structure located at the lower side of the engine cover in the frame of the vehicle. The upper side beam 5 can be selected to be installed on the connecting pillars 6 connecting the roof and the front cabin at the left front and right front of the vehicle. The connecting pillars 6 connecting the roof and the front cabin at the left front and right front of the vehicle can be called A-pillars, and the upper side beam 5 can be selected to be arranged on the side of the A-pillar and extend toward the direction of the front of the vehicle.

[0055] The gas storage structure 4 of the above-mentioned jacking device can be selected to be integrated inside the upper side beam 5, and of course the gas storage structure 4 can also be selected to be installed on the upper side beam 5. The jacking device can be selected to be set on the side of the upper side beam 5 facing the engine cover, and the end of the jacking member 2 away from the valve body 3 is connected to the engine cover. The moving direction of the jacking member 2 is consistent with the direction of the upper side beam 5 toward the engine cover, so that after the valve body 3 is opened, the gas in the gas storage structure 4 drives the jacking member 2 to move upward and lift the engine cover.

[0056] By setting the jacking device as described above on the upper side beam 5 of the vehicle frame assembly, after the jacking device is started, the jacking member 2 can drive the engine hood to move in the direction away from the upper side beam 5, so that when the front of the vehicle collides with a pedestrian, the jacking member 2 of the jacking device rises quickly to lift the engine hood to a rear position to reduce the impact force on the pedestrian, thereby reducing the damage to pedestrians when the vehicle collides with pedestrians and improving the safety of the vehicle.

[0057] Reference Figure 2 and Figure 3 As shown, in some embodiments, the air storage structure 4 is integrated on the upper side beam 5 .

[0058] Specifically, the lifting structure 1 is arranged between the upper side beam 5 and the engine cover, the lifting member 2 is arranged along the upper side beam 5 toward the engine cover, and the end of the lifting member 2 away from the valve body 3 is connected to the engine cover; the interior of the upper side beam 5 can be selected to be hollow, and the gas storage structure 4 is arranged inside the upper side beam 5, and a through hole is provided on the side of the upper side beam 5 facing the engine cover, and the partial lifting structure 1 of the jacking device passes through the through hole and is connected to the gas storage structure 4; of course, the tank body of the gas storage structure 4 can also be selected to be made of metal material, and the gas storage structure 4 is installed on the side of the vehicle's connecting column 6, so that the tank body of the gas storage structure 4 serves as the upper side beam structure of the vehicle, thereby realizing the integration of the gas storage structure 4 on the upper side beam 5, and the lifting structure 1 is arranged on the side of the gas storage structure 4 facing the engine cover, so that the lifting member 2 in the lifting structure 1 can be connected to the engine cover.

[0059] By integrating the gas storage structure 4 on the upper side beam 5 , the layout space required for arranging the jacking device on the vehicle frame assembly is reduced, and the weight of the vehicle can be reduced.

[0060] Reference Figure 2 and Figure 3 As shown, in some embodiments, the vehicle frame assembly further includes a suspension air spring, and the gas storage structure 4 is connected to the suspension air spring so that the gas storage structure 4 provides gas to the suspension air spring. In this arrangement, since the jacking device is only activated when the vehicle collides, when the vehicle is driving normally, the suspension air spring uses the gas in the gas storage structure 4, which can fully utilize the gas resources in the gas storage structure 4 and improve the utilization rate of the vehicle's gas resources.

[0061] Specifically, the vehicle frame assembly also includes a suspension air spring, which is a sealed container filled with compressed air, and uses the compressibility of gas to achieve its elastic effect. The air spring has an ideal nonlinear elastic characteristic. After the height adjustment device is installed, the vehicle body height does not change with the increase or decrease of the load, and the ride comfort is good. The suspension air spring is to use the air spring as part of the vehicle suspension structure, so that the suspension air spring can reduce the vibration transmitted to the vehicle frame assembly when the vehicle tires are driving.

[0062] After the suspension air spring is connected to the gas storage structure 4, the gas storage structure 4 can provide gas to the suspension air spring. When the suspension air spring is in use, the escape caused by the molecular movement of the gas will reduce the elastic force of the suspension air spring. The gas storage structure 4 can ensure the gas pressure inside the suspension air spring, and the gas storage structure 4 can also increase the gas pressure inside the suspension air spring by transporting gas to the inside of the suspension air spring, thereby increasing the elastic force of the suspension air spring to change the vibration reduction effect of the suspension air spring during the vehicle forming process.

[0063] An air duct 41 may be optionally provided on the side of the air storage structure 4 facing away from the engine cover. One end of the air duct 41 is connected to the air storage structure 4, and the other end extends in a direction away from the air storage structure 4 and is connected to the suspension air spring.

[0064] Reference Figure 2 and Figure 3 As shown, in some embodiments, the engine hood includes a hood body and a hood hinge 51, the hood hinge 51 is connected to the lower side of the hood body, the lifting member 2 is connected to the hood hinge 51, and the lifting member 2 drives the hood hinge 51 to drive the hood body to move in a direction away from the upper side beam 5. In this way, the hood hinge 51 increases the contact area with the hood body, reduces the pressure at the position where the hood body receives the driving force, reduces the deformation of the hood body when the lifting member 2 moves upward, and enables the hood body to be smoothly lifted under the movement of the lifting member 2.

[0065] Specifically, the hood hinge 51 can be selected to be set on the side of the hood body away from the front of the vehicle, that is, the hood hinge 51 is located at the rear position of the hood body. The hood body is located at the front of the vehicle to cover the engine structure at the front of the vehicle. The hood hinge 51 can be connected to the lifting member 2 using bolts or rivets. When the lifting member 2 moves upward, it will drive the hood hinge 51 to move upward. The hood hinge 51 applies a force to the hood body to drive the hood body to lift up.

[0066] The above-mentioned hood hinge 51 can be selected as a rectangular hinge structure. The side of the hood hinge 51 connected to the hood body is attached to the surface of the hood body. The force of the movement of the lifting member 2 is applied to the hood hinge 51. Since the contact surface between the hood hinge 51 and the hood body is larger, the pressure at the position where the hood body receives the driving force can be reduced, thereby reducing the deformation of the hood body and allowing the hood body to be lifted smoothly under the movement of the lifting member 2.

[0067] A third aspect of an embodiment of the present disclosure provides a vehicle, comprising a vehicle frame assembly as described in any one of the above items.

[0068] By using the vehicle frame assembly as described above, when the vehicle collides with a pedestrian, the engine hood can be lifted by the lifting device to reduce the damage caused by the vehicle to the pedestrian.

[0069] Reference Figure 2 and Figure 3 As shown, in some embodiments, the vehicle includes a cylinder, which is communicated with the gas storage structure 4 so that the gas in the cylinder can enter the inner cavity of the gas storage structure 4.

[0070] Specifically, the cylinder of the vehicle will continuously generate high-pressure gas during operation, and the gas storage structure 4 is connected so that the gas storage structure 4 can receive and store the high-pressure gas in the cylinder, so that the gas storage structure 4 can perform gas replenishment operations through the gas generated by itself when the vehicle is working.

[0071] The jacking device, vehicle frame assembly and vehicle provided by the embodiments of the present disclosure are such that, when in specific use, the jacking device is installed on the upper side beam 5, and the air storage structure 4 is integrated on the upper side beam 5; when the vehicle is in normal use, the valve body 3 is in a closed state, and the high-pressure gas of the vehicle cylinder is input into the air storage structure 4 for storage, and the suspension air spring maintains its internal gas pressure stable through the air supply of the air storage structure 4, and the elastic force of the suspension air spring can be adjusted by supplying air to the suspension air spring through the air storage structure 4.

[0072] When a vehicle collides with a pedestrian, the vehicle's sensor sends a signal to the controller, and the controller sends an electrical signal to the valve body 3 to open the valve body 3. The high-pressure gas stored in the gas storage structure 4 quickly enters the air chamber 12 in the lifting shell 11. The pressure in the air chamber 12 increases rapidly and pushes the lifting member 2 to move upward. The upward movement of the lifting member 2 drives the hood hinge 51 to lift the engine hood upward, thereby lifting the engine hood and reducing the impact force of the collision on the pedestrian.

[0073] After the jacking device is started, when the vehicle is inspected, the jacking member 2 can be pushed downward to move the engine cover down to the position during normal use, and the valve body 3 is closed to store high-pressure gas in the gas storage structure 4 so that the pressure of the gas in the gas storage structure 4 can meet the requirement of driving the jacking member 2 to move quickly. In this way, the maintenance operation can be completed without replacing the jacking device, and the jacking device can be reused.

[0074] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0075] The above description is only a specific embodiment of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lifting device, characterized in that: Including gas storage structure and jacking structure; The lifting structure includes an air chamber and a lifting member movably arranged in the air chamber, at least a part of the lifting member can extend out of the air chamber, and the lifting member is used to be connected to the engine cover, and the air chamber has an air vent that can communicate with the inner cavity of the air storage structure, so that when the air storage structure supplies air to the air chamber, the lifting member moves toward the engine cover to lift the engine cover.

2. The lifting device according to claim 1, characterized in that: The lifting structure comprises a lifting shell, and the inner cavity of the lifting shell forms the air chamber; The lifting shell is installed on the gas storage structure, the air vent is arranged at one end of the lifting shell close to the gas storage structure, and the lifting member can move in a direction away from the gas storage structure to lift up the engine cover.

3. The lifting device according to claim 2, characterized in that: The gas storage structure is provided with a mounting hole, the mounting hole is communicated with the inner cavity of the gas storage structure, the lifting shell is passed through the mounting hole and is sealed with the hole wall of the mounting hole, and the vent is opened on the part of the lifting shell located inside the inner cavity of the gas storage structure.

4. The lifting device according to claim 1, characterized in that: The lifting structure further includes a valve body, which is disposed at the vent and controls the connection and separation between the air chamber and the air storage structure.

5. A vehicle frame assembly, characterized in that: It comprises an upper side rail, an engine cover and a lifting device as claimed in any one of claims 1 to 4; The upper side beam is located below the engine cover, and the lifting device is arranged on the upper side beam.

6. The vehicle frame assembly according to claim 5, characterized in that The gas storage structure is integrated on the upper side beam.

7. The vehicle frame assembly according to claim 5, characterized in that A suspension air spring is also included, and the gas storage structure is connected to the suspension air spring so that the gas storage structure can provide gas to the suspension air spring.

8. The vehicle frame assembly according to claim 5, characterized in that The engine hood includes a hood body and a hood hinge, the hood hinge is connected to the lower side of the hood body, the lifting member is connected to the hood hinge, and the lifting member drives the hood hinge to drive the hood body to move in a direction away from the upper side beam.

9. A vehicle, characterized in that: Comprising a vehicle frame assembly as claimed in any one of claims 5 to 8.

10. The vehicle according to claim 9, characterized in that The vehicle includes a cylinder, which is communicated with the gas storage structure so that the gas in the cylinder can enter the inner cavity of the gas storage structure.

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