CN218616865U - Auxiliary frame structure, auxiliary frame system and vehicle - Google Patents
Auxiliary frame structure, auxiliary frame system and vehicle Download PDFInfo
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- CN218616865U CN218616865U CN202222146203.4U CN202222146203U CN218616865U CN 218616865 U CN218616865 U CN 218616865U CN 202222146203 U CN202222146203 U CN 202222146203U CN 218616865 U CN218616865 U CN 218616865U
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- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a sub vehicle frame structure, sub vehicle frame system and vehicle, including the sub vehicle frame, the gas storage chamber has respectively in the crossbeam of sub vehicle frame and the longeron, the gas storage chamber is used for the air spring air feed. The utility model discloses a sub vehicle frame structure, sub vehicle frame system and vehicle are provided with the gas storage chamber in the crossbeam of sub vehicle frame and the longeron respectively, need not to increase the size of crossbeam, can increase gas storage space, and more compressed gas can be stored in the gas storage chamber in crossbeam and the longeron and aerify for air spring, and compressed gas can supply air spring to aerify many times, has reduced compressed air feeding device's switching frequency, does benefit to extension compressed air feeding device's life.
Description
Technical Field
The utility model relates to a vehicle frame technical field especially relates to a sub vehicle frame structure, sub vehicle frame system and vehicle.
Background
The air suspension is mounted on a sub-frame of the vehicle, and the air suspension includes an air spring. When the air spring is inflated, the air spring expands, the hardness of the air spring increases, and the distance between the vehicle body and the ground increases. When the air spring exhausts outwards, the air spring contracts, the hardness of the air spring is reduced, and the distance between the vehicle body and the ground is reduced.
In the prior art, some vehicle types adopt an air storage tank arranged on a secondary frame to play a role in air storage. However, the air tank occupies the installation space of the subframe. In some vehicle types, the air storage tank is placed in the cross beam or the air storage cavity is arranged in the cross beam so as to prevent the air storage tank from occupying the external installation space of the auxiliary frame. Due to the layout of the vehicle chassis, the longitudinal dimensions of the cross-beam are limited, resulting in a limited amount of air storage. After the air spring is inflated every time, the compressed air supply device needs to be started to store air, and the service life of the compressed air supply device can be influenced due to frequent opening and closing of the compressed air supply device.
In view of the above, it is desirable to provide a subframe structure, a subframe system, and a vehicle that can reduce the frequency of turning on a compressed air supply device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provide a can reduce compressed air feeding device's the sub vehicle frame structure, sub vehicle frame system and the vehicle of frequency of opening.
The utility model provides a sub vehicle frame structure, including the sub vehicle frame, the gas storage chamber has respectively in the crossbeam of sub vehicle frame and the longeron, the gas storage chamber is used for the air spring air feed.
In one optional technical scheme, the air storage cavities in the cross beam and the longitudinal beam are communicated with each other.
In one optional technical scheme, a first air pressure sensor is arranged in the air storage cavity.
In one alternative, the air reservoir has an inflation port for inflating the tire. In one optional technical scheme, the auxiliary frame comprises a front auxiliary frame and a rear auxiliary frame, and the front auxiliary frame and the rear auxiliary frame are respectively provided with the air storage cavities;
the air storage cavity in the front auxiliary frame is used for supplying air to the air springs mounted on the front auxiliary frame, and the air storage cavity in the rear auxiliary frame is used for supplying air to the air springs mounted on the rear auxiliary frame.
The utility model also provides an auxiliary frame system, which comprises a compressed air supply device, an air spring and the auxiliary frame structure of any one of the technical schemes;
the compressed air supply device and the air spring are arranged on the auxiliary frame;
the air storage cavity is connected with the compressed air supply device through a first air pipe, and the air storage cavity is connected with the air spring through a second air pipe.
In an optional technical scheme, the auxiliary frame system further comprises a controller, the first air pressure sensor in the air storage cavity is in signal connection with the controller, and the compressed air supply device is in signal connection with the controller.
In one optional technical scheme, the air spring is provided with a distance sensor, and a control valve is installed in an air inlet of the air spring;
the control valve and the distance sensor are respectively in signal connection with the controller.
In one optional technical scheme, the auxiliary frame system further comprises a tire, a second air pressure sensor is installed in the tire, and the second air pressure sensor is in signal connection with the controller.
The utility model discloses technical scheme still provides a vehicle, including aforementioned arbitrary technical scheme sub vehicle frame system.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a sub vehicle frame structure, sub vehicle frame system and vehicle is provided with the gas storage chamber in the crossbeam of sub vehicle frame and the longeron respectively, need not the size of increase crossbeam, can increase gas storage space, and more compressed gas can be stored in the gas storage chamber in crossbeam and the longeron and for air spring aerifys, and compressed gas can supply air spring to aerify many times, has reduced compressed air feeding device's switching frequency, does benefit to extension compressed air feeding device's life.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic layout view of an auxiliary frame structure and an air spring according to an embodiment of the present invention;
FIG. 2 is a schematic view of a subframe having air storage chambers in the cross member and the side member, respectively;
fig. 3 is a schematic diagram of signal connection of the first air pressure sensor, the compressed air supply device, the distance sensor, the control valve, the second air pressure sensor and the controller.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, an embodiment of the present invention provides a sub frame structure, including a sub frame 1, a gas storage cavity 13 is respectively provided in a cross beam 11 and a longitudinal beam 12 of the sub frame 1, and the gas storage cavity 13 is used for supplying gas to an air spring 3.
The embodiment of the utility model provides a sub vehicle frame structure includes sub vehicle frame 1. The auxiliary frame 1 comprises a cross beam 11 and a longitudinal beam 12, closed cavities are formed in the cross beam 11 and the longitudinal beam 12 respectively, the cavities are large in size, the closed cavities are used as gas storage cavities 13, and more gas can be stored. The air reservoir 13 is used to supply air to the air spring 3. The air inlet 14 of the air reservoir 13 is connected to the compressed air supply device 4 via an air line. The air outlet 15 of the air storage cavity 13 is connected with the air spring 3 through an air pipe.
According to the needs, can set up the strengthening rib at the gas storage chamber 13 of crossbeam 11 and/or longeron 12 to improve its structural strength, satisfy the structural strength requirement of sub vehicle frame 1.
When the vehicle requires the air spring 3 to be expanded, the high-pressure gas in the gas storage chamber 13 is charged into the air spring 3. When the vehicle requires the air spring 3 to contract, the air in the air spring 3 is exhausted through the exhaust port. When the high-pressure gas in the gas storage chamber 13 is lower than a preset pressure value, the compressed air supply device 4 (such as a compressor) is started to supplement the high-pressure gas into the gas storage chamber 13.
The air reservoirs 13 in the transverse beams 11 and the longitudinal beams 12 can be arranged separately. Each air reservoir 13 is connected to the compressed air supply 4, and each air reservoir 13 is connected to the air spring 3. When the air pressure in one of the air storage chambers 13 is insufficient, the next air storage chamber 13 is inflated. When the air pressure of all the air reservoir chambers 13 is insufficient, the compressed air supply device 4 is turned on to fill all the air reservoir chambers 13 with compressed air at a time.
The embodiment of the utility model provides a sub vehicle frame structure, because be provided with gas storage chamber 13 in the crossbeam 11 of sub vehicle frame 1 and the longeron 12 respectively, need not to increase the size of crossbeam 11, can increase gas storage space, more compressed gas can be stored in the gas storage chamber 13 in crossbeam 11 and the longeron 12 in order to aerify for air spring 3, compressed gas can supply air spring 3 to aerify many times, has reduced compressed air feeding device 4's switching frequency, does benefit to extension compressed air feeding device 4's life.
In one embodiment, the gas inlet 14 has a one-way valve therein to prevent the compressed gas in the gas storage chamber 13 from being discharged from the gas inlet 14.
In one embodiment, as shown in fig. 2, the air reservoirs 13 in the cross beam 11 and the longitudinal beam 12 communicate with each other. The high-pressure gas in the gas storage cavities 13 in the cross beam 11 and the longitudinal beam 12 circulates mutually, so that the compressed gas in the gas storage cavities 13 can be controlled in a centralized manner, gas pipes for connecting the gas storage cavities 13 with the compressed air supply device 4 and the gas spring 3 can be reduced, and the layout is convenient.
In one embodiment, as shown in fig. 2, the gas reservoir 13 has a first gas pressure sensor 2 therein for monitoring the gas pressure in the gas reservoir 13.
The first air pressure sensor 2 may also be installed at the air inlet 14 according to actual needs.
The preset air pressure P in the air storage chamber 13 is set in advance according to the requirement of the inflation air pressure of the air spring 3 0 . When the air pressure P in the air storage cavity 13 is more than or equal to P 0 It means that the gas in the gas storage chamber 13 is sufficient to charge the air spring 3. When the air pressure P in the air storage cavity 13 is less than P 0 It means that the gas pressure in the gas reservoir 13 is insufficient and it is necessary to open the compressed air supply device 4 to charge the gas reservoir 13.
In one embodiment, as shown in fig. 1-2, the air reservoir 13 has an inflation port 16 for inflating the tire 8. An air valve is installed in the inflation inlet 16. When the tyre 8 of the vehicle needs to be inflated, it can be connected to the inflation port 16 by means of an inflation tube in order to inflate the tyre 8.
An inflation valve is provided at the inflatable port 16, which is controlled to open and close by a controller, as required.
In one embodiment, the subframe 1 is a cast aluminum subframe, which is integrally cast, has high structural strength, and is convenient to form a closed cavity to be used as the air storage cavity 13.
In one embodiment, as shown in fig. 1-2, the subframe 1 includes a front subframe 1a and a rear subframe 1b, each of which has an air reservoir chamber 13 disposed therein, the front subframe 1a and the rear subframe 1 b.
The air reservoir 13 in the front subframe 1a is used to supply air to the air springs 3 mounted on the front subframe 1a, and the air reservoir 13 in the rear subframe 1b is used to supply air to the air springs 3 mounted on the rear subframe 1 b.
In this embodiment, the subframe 1 includes a front subframe 1a and a rear subframe 1b arranged in the front and rear directions, and air storage chambers 13 are provided in a cross member 11 and a longitudinal member 12 of the front subframe 1a, and a cross member 11 and a longitudinal member 12 of the rear subframe 1b, respectively.
The air reservoir 13 in the front subframe 1a is used to supply air to the air springs 3 (front air springs) mounted on the front subframe 1a, and the air reservoir 13 in the rear subframe 1b is used to supply air to the air springs 3 (rear air springs) mounted on the rear subframe 1 b. The front air spring and the rear air spring are inflated by the air storage cavities 13 of the front sub-frame 1a and the rear sub-frame 1b in a one-to-one correspondence mode respectively, and structural arrangement and inflation control are facilitated.
Referring to fig. 1-2, an embodiment of the present invention provides a sub-frame system, which includes a compressed air supply device 4, an air spring 3, and a sub-frame structure according to any of the foregoing embodiments.
The compressed air supply device 4 and the air spring 3 are mounted on the subframe 1.
The air storage cavity 13 is connected with the compressed air supply device 4 through a first air pipe, and the air storage cavity 13 is connected with the air spring 3 through a second air pipe.
The utility model provides a sub vehicle frame system includes air spring 3, compressed air feeding device 4 and sub vehicle frame structure.
For the structure and operation principle of the subframe structure, please refer to the description of the subframe structure, and the description thereof is omitted.
The compressed air supply device 4 and the air spring 3 are mounted on the subframe 1. The compressed air supply device 4 is selectively attached to the front sub-frame 1a or the rear sub-frame 1b, two air springs 3 are attached to the left and right sides of the rear sub-frame 1b, and two air springs 3 are attached to the left and right sides of the front sub-frame 1 a.
An air inlet 14 of the air storage cavity 13 is connected with an air outlet of the compressed air supply device 4 through a first air pipe, and an air outlet 15 of the air storage cavity 13 is connected with an air inlet of the air spring 3 through a second air pipe.
When the vehicle requires the air spring 3 to be expanded, the high-pressure gas in the gas storage chamber 13 is charged into the air spring 3. When the vehicle requires the air spring 3 to contract, the air in the air spring 3 is exhausted through the exhaust port. When the high-pressure gas in the gas storage cavity 13 is lower than the preset pressure value, the compressed air supply device 4 (such as a compressor) is started to supplement the high-pressure gas into the gas storage cavity 13.
The embodiment of the utility model provides a sub vehicle frame system, because be provided with gas storage chamber 13 in the crossbeam 11 of sub vehicle frame 1 and the longeron 12 respectively, need not to increase the size of crossbeam 11, can increase gas storage space, more compressed gas can be stored in the gas storage chamber 13 of crossbeam 11 and longeron 12 in order to inflate for air spring 3, and compressed gas can supply air spring 3 to inflate many times, has reduced compressed air feeding device 4's switching frequency, does benefit to extension compressed air feeding device 4's life.
In one embodiment, as shown in fig. 1 and 3, the subframe system further includes a controller 5, the first air pressure sensor 2 in the air storage chamber 13 is in signal connection with the controller 5, and the compressed air supply device 4 is in signal connection with the controller 5.
In this embodiment, the subframe system is integrated with the controller 5, and the controller 5 may be an existing chip, microcontroller, or the like.
The first air pressure sensor 2 and the compressed air supply device 4 are respectively in signal connection with a controller 5.
When the first air pressure sensor 2 monitors that the air pressure P in the air storage cavity 13 is more than or equal to P 0 It means that the gas in the gas storage chamber 13 is sufficient to charge the air spring 3. When the first air pressure sensor 2 monitors that the air pressure P in the air storage cavity 13 is less than P 0 When the pressure of the gas in the gas storage cavity 13 is insufficient, the first pressure sensor 2 sends a signal to the controller 5, and the controller 5 automatically controls to start the compressed air supply device 4 to charge the gas in the gas storage cavity 13. When the first air pressure sensor 2 detects that the air pressure P in the air storage cavity 13 reaches the maximum value, the first air pressure sensor 2 sends a signal to the controller 5, and the controller 5 automatically controls to close the compressed air supply device 4.
In one embodiment, as shown in fig. 3, the air spring 3 is provided with a distance sensor 6, and a control valve 7 is installed in an air inlet of the air spring 3.
The control valve 7 and the distance sensor 6 are respectively in signal connection with the controller 5.
In this embodiment, a control valve 7 is installed in an air inlet of an air bag of the air spring 3, and the control valve 7 may be an electromagnetic valve. A distance sensor 6 is mounted on the air bag of the air spring 3 and used for monitoring the distance from the ground.
The control valve 7 and the distance sensor 6 are controlled by the controller 5.
When the vehicle body needs to be lifted, the traveling computer sends a signal to the controller 5, the controller 5 automatically opens the control valve 7, and the gas in the gas storage cavity 13 can be directly filled into the airbag of the air spring 3. When the distance sensor 6 monitors that the air spring 3 is lifted to the required height, the distance sensor 6 sends a signal to the controller 5 and the traveling computer, the controller 5 automatically closes the control valve 7, and the air spring 3 is not inflated any more.
When the vehicle needs to lower the vehicle body, the traveling computer controls the air spring 3 to automatically exhaust. When the distance sensor 6 monitors that the air spring 3 rises to the required height, the distance sensor 6 sends a signal to a traveling computer, the traveling computer automatically closes the exhaust port of the air spring 3, and the air spring 3 stops exhausting.
In one embodiment, as shown in fig. 1 and 3, the subframe system further includes a tire 8, a second air pressure sensor 9 is installed in the tire 8, and the second air pressure sensor 9 is in signal connection with the controller 5.
When the second air pressure sensor 9 detects that the air pressure in the tire 8 is lower than the preset air pressure value, the second air pressure sensor 9 sends a signal to the controller 5 and the driving computer. The vehicle computer prompts the user through a display screen or an alarm that the tire 8 needs to be inflated.
When the vehicle is in a safe state, the user connects the inflation nozzle of the tire 8 with the inflation port 16 of the air storage chamber 13 by using the inflation tube, and the controller 5 opens the inflation valve in the inflation port 16 to inflate the tire 8. When the second air pressure sensor 9 monitors that the air pressure in the tire 8 reaches a preset air pressure value, the second air pressure sensor 9 sends a signal to the controller 5 and the driving computer, the controller 5 closes the inflation valve in the inflation inlet 16, and the driving computer cancels the prompt of a display screen or an alarm and is used for taking down the inflation tube to complete inflation of the tire 8, so that the convenience of inflating the tire 8 is improved.
An embodiment of the utility model provides a vehicle, including aforementioned arbitrary embodiment sub vehicle frame system.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (9)
1. The utility model provides an auxiliary frame structure, its characterized in that, includes the sub vehicle frame, the gas storage chamber has respectively in the crossbeam of sub vehicle frame and the longeron, the crossbeam with in the longeron the gas storage chamber communicates with each other, the gas storage chamber is used for the air spring air feed.
2. The subframe structure of claim 1 wherein said reservoir chamber has a first air pressure sensor therein.
3. The subframe structure of claim 1 wherein said air reservoir has an air inflation port for inflating a tire.
4. The subframe structure of any one of claims 1-3 wherein said subframe comprises a front subframe and a rear subframe, said front subframe and said rear subframe having said air reservoir chamber disposed therein, respectively;
the air storage cavity in the front auxiliary frame is used for supplying air to the air springs mounted on the front auxiliary frame, and the air storage cavity in the rear auxiliary frame is used for supplying air to the air springs mounted on the rear auxiliary frame.
5. A subframe system comprising a compressed air supply, an air spring and the subframe structure of any one of claims 1-4;
the compressed air supply device and the air spring are installed on the auxiliary frame;
the air storage cavity is connected with the compressed air supply device through a first air pipe, and the air storage cavity is connected with the air spring through a second air pipe.
6. The subframe system of claim 5 further including a controller, said first air pressure sensor in said air reservoir being in signal communication with said controller, said compressed air supply being in signal communication with said controller.
7. The subframe system of claim 6 wherein said air spring is configured with a distance sensor, and a control valve is mounted in an air inlet of said air spring;
the control valve and the distance sensor are respectively in signal connection with the controller.
8. The subframe system of claim 6 further including a tire having a second air pressure sensor mounted therein, said second air pressure sensor being in signal communication with said controller.
9. A vehicle comprising the subframe system of any one of claims 5-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222146203.4U CN218616865U (en) | 2022-08-15 | 2022-08-15 | Auxiliary frame structure, auxiliary frame system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222146203.4U CN218616865U (en) | 2022-08-15 | 2022-08-15 | Auxiliary frame structure, auxiliary frame system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218616865U true CN218616865U (en) | 2023-03-14 |
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ID=85459673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222146203.4U Active CN218616865U (en) | 2022-08-15 | 2022-08-15 | Auxiliary frame structure, auxiliary frame system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218616865U (en) |
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2022
- 2022-08-15 CN CN202222146203.4U patent/CN218616865U/en active Active
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