CN210942099U - Front shock-absorbing structure of electric vehicle - Google Patents
Front shock-absorbing structure of electric vehicle Download PDFInfo
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- CN210942099U CN210942099U CN201921499972.4U CN201921499972U CN210942099U CN 210942099 U CN210942099 U CN 210942099U CN 201921499972 U CN201921499972 U CN 201921499972U CN 210942099 U CN210942099 U CN 210942099U
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- shock
- shock absorption
- limiting plate
- electric vehicle
- piston rod
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Abstract
The utility model discloses a front shock absorption structure of an electric vehicle, which comprises a shock absorber shell and a tire, wherein support rods are arranged at two sides of the tire, a connecting ring is sleeved on the outer surface of each support rod, the connecting ring is positioned at the bottom end of the shock absorber shell, and the front shock absorption structure of the electric vehicle is designed with a four-section buffer shock absorption structure which comprises a shock absorption groove, a sponge body, a shock absorption rubber ball, a reset spring, a lower limiting plate, an upper limiting plate, a spiral shock absorption sheet, a support plate, a pressing plate, a piston rod and a pre-pressing spring, the first buffering is performed.
Description
Technical Field
The utility model relates to an electric motor car technical field specifically is a front portion shock-absorbing structure of electric motor car.
Background
Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally speaking, an electric vehicle uses a battery as an energy source, electric energy is converted into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed of the vehicle, and a damping structure of the electric vehicle provides a comfortable driving environment for a driver when the electric vehicle runs on a road.
The anterior shock-absorbing structure of current electric motor car, adopt damping spring to carry out the shock attenuation mostly, but when going the in-process at the electric motor car suddenly in the darker hole of process (following water course well lid and road surface not flat), its preceding locomotive is first downward, then the limit department of pushing down at the spring stops downwards and directly upwards resets under the reset action of spring, can cause the control unstability of driver to the locomotive, the skew condition of driving the route appears easily, cause danger, and the electric motor car is anterior to make the bumper shock absorber cause the damage very easily in limit department shock attenuation, reduce its life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anterior shock-absorbing structure of electric motor car to the limit shock attenuation that proposes the bumper shock absorber in solving above-mentioned background art shortens its life easily, damages easily and the electric motor car front portion resets fast under reset spring's effect influences the driver great, the problem of the route of driving easily skew.
In order to achieve the above object, the utility model provides a following technical scheme: a front shock absorption structure of an electric vehicle comprises a shock absorber shell and a tire, wherein supporting rods are installed on two sides of the tire, a connecting ring is sleeved on the outer surface of each supporting rod and located at the bottom end of the shock absorber shell, a reset spring and a shock absorption groove are respectively installed below the interior of the shock absorber shell, a sponge body is filled below the interior of the shock absorption groove, a shock absorption rubber ball is fixed above the interior of the shock absorption groove, the shock absorption groove and the shock absorption rubber ball are located inside the reset spring, a spiral shock absorption sheet is in threaded connection with the middle of the interior of the shock absorber shell, the bottom of the spiral shock absorption sheet is connected with the reset spring through a lower limiting plate, the top of the spiral shock absorption sheet is connected with a piston rod through an upper limiting plate, a supporting plate is fixed on the inner wall of the shock absorber shell, and a pressing plate and a pre-pressing spring are respectively, and the pre-pressing spring is positioned between the pressing plate and the supporting plate.
Preferably, the end of the piston rod penetrates a support plate, and the support plate is welded to the shock absorber housing.
Preferably, the shock absorption groove is welded with the shock absorber shell, and the top height of the shock absorption rubber ball is located at the midpoint position of the stretched height of the return spring.
Preferably, the diameters of the lower limiting plate and the upper limiting plate are the same, and the lower limiting plate and the upper limiting plate are both rotatably connected with the spiral damping sheet.
Preferably, the piston rod is welded with the upper limiting plate, the piston rod is made of stainless steel materials, and the outer surface of the piston rod is smooth.
Preferably, the connecting ring and the shock absorber shell are of an integral structure, and the connecting ring is matched with the support rod.
Compared with the prior art, the beneficial effects of the utility model are that: the front shock absorption structure of the electric vehicle is provided with four sections of buffer shock absorption structures, which comprise a shock absorption groove, a sponge body, a shock absorption rubber ball, a reset spring, a lower limiting plate, an upper limiting plate, a spiral shock absorption sheet, a supporting plate, a pressing plate, a piston rod and a pre-pressing spring, wherein when the shock absorption structure is used, lubricating oil is added into a shock absorber shell, when the electric vehicle suddenly passes through a deep pit, the front part of the electric vehicle firstly gives a downward pressing force to the piston rod to press the piston rod downwards, the pressing plate presses the piston rod downwards along with the pressing plate to extrude the pre-pressing spring, the pre-pressing spring is blocked by the supporting plate to feed an upward force to the piston rod for primary buffering, then the piston rod extrudes the spiral shock absorption sheet through the upper limiting plate, and the spiral shock absorption sheet is in threaded connection with the shock absorber shell, so the spiral shock absorption sheet can move downwards under the action of threads, and finally, after the spiral damping sheet is pressed down to the damping rubber ball, the damping rubber ball buffers the spiral damping sheet to prevent the spiral damping sheet from damaging the damper body due to extreme pressing, so that four-section buffering is completed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sectional structure of the shock absorber casing of the present invention;
FIG. 3 is a schematic view of the local structure of the damping rubber ball of the present invention;
fig. 4 is an enlarged schematic structural diagram of the utility model a.
In the figure: 1. a tire; 2. a strut; 3. a connecting ring; 4. a damper housing; 5. a return spring; 6. a shock absorbing rubber ball; 7. a spiral damping sheet; 8. a piston rod; 9. a support plate; 10. A pressing plate; 11. a lower limiting plate; 12. pre-pressing a spring; 13. a damping groove; 14. a sponge body; 15. and an upper limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, can be connected inside two elements or can be in an interaction relationship between the two elements, and the specific meaning of the terms in the present invention can be understood according to specific situations by those skilled in the art
Referring to fig. 1-4, the present invention provides a technical solution: the front shock absorption structure of the electric vehicle comprises a shock absorber shell 4 and a tire 1, wherein support rods 2 are installed on two sides of the tire 1, a connecting ring 3 is sleeved on the outer surface of each support rod 2, the connecting ring 3 is located at the bottom end of the shock absorber shell 4, a reset spring 5 and a shock absorption groove 13 are installed below the inner portion of the shock absorber shell 4 respectively, a sponge 14 is filled below the inner portion of the shock absorption groove 13, a shock absorption rubber ball 6 is fixed above the inner portion of the shock absorption groove 13, the shock absorption groove 13 and the shock absorption rubber ball 6 are located inside the reset spring 5, a spiral shock absorption sheet 7 is in threaded connection with the middle of the inner portion of the shock absorber shell 4, the bottom of the spiral shock absorption sheet 7 is connected with the reset spring 5 through a lower limiting plate 11, the top of the spiral shock absorption sheet 7 is connected with a piston rod 8 through an upper limiting plate 15, a support plate 9 is fixed on the inner wall of, the outer surface of the piston rod 8 is respectively fixed with a pressing plate 10 and a pre-pressing spring 12, and the pre-pressing spring 12 is positioned between the pressing plate 10 and the supporting plate 9, so that the pre-pressing spring 12 can perform pre-damping on downward force, and the pressure of the shock absorber is reduced.
Referring to fig. 1-4, the end of the piston rod 8 penetrates through the supporting plate 9, the supporting plate 9 is welded to the damper housing 4, when the rear piston rod 8 is downward, the pressing plate 10 is downward, so as to compress the pre-pressing spring 12, the pre-pressing spring 12 slows down the downward thrust of the piston rod 8 under the supporting action of the supporting plate 9, the damping groove 13 is welded to the damper housing 4, the top height of the damping rubber ball 6 is located at the middle position of the stretched height of the return spring 5, after the return spring 5 is compressed to the limit, the spiral damping sheet 7 extrudes the damping rubber ball 6, and the damping rubber ball 6 can restore an upward force to the spiral damping sheet, thereby avoiding the damage of the damper caused by the rapid buffering of the damping rubber ball, and prolonging the service life of the damper.
Referring to fig. 2 and 4, the diameter of the lower limiting plate 11 is the same as that of the upper limiting plate 15, the lower limiting plate 11 and the upper limiting plate 15 are rotatably connected to the spiral damping sheet 7, when the spiral damping sheet 7 rotates downward, the stability of the lower limiting plate 11 and the upper limiting plate 15 can be maintained, the piston rod 8 is welded to the upper limiting plate 15, the piston rod 8 is made of stainless steel, the outer surface of the piston rod 8 is smooth, and the flexibility of the piston rod 8 is improved.
Referring to fig. 1-2, the connection ring 3 and the damper housing 4 are an integral structure, and the connection ring 3 is adapted to the support rod 2, so that the damper housing 4 is convenient to mount and operate by a worker.
The working principle is as follows: when the shock absorber is used, the shock absorber shell 4 is sleeved on the support rod 2 through the connecting ring to be installed, lubricating oil is added into the shock absorber shell 4, when the electric vehicle suddenly passes through a pit, the front part of the electric vehicle firstly provides a downward pressing force for the piston rod 8 to press the piston rod 8 downward, the pressing plate 10 presses the piston rod 8 downward along with the pressing plate to extrude the pre-pressing spring 12, the pre-pressing spring 12 is blocked by the supporting plate 9 and fed back to the piston rod 8 to generate an upward force for primary buffering, then the piston rod 8 extrudes the spiral shock absorbing sheet 7 through the upper limiting plate 15, as the spiral shock absorbing sheet 7 is in threaded connection with the shock absorber shell 4, the spiral shock absorbing sheet 7 can move downward under the action of threads, the force at the front part of the electric vehicle is secondarily buffered, then the spiral shock absorbing sheet 7 moves downward to compress the reset spring 5 through the lower limiting plate 11, so that the reset, carry out the cubic buffering, at last, after spiral shock attenuation piece 7 pushes down to yielding rubber ball 6, yielding rubber ball 6 cushions spiral shock attenuation piece 7, prevents that its limit from pushing down and causing the damage to the bumper shock absorber body, thereby accomplish the four sections buffering, when the electric motor car front portion at the in-process that resets, because spiral shock attenuation piece 7 needs yielding rubber ball's resilience force and reset spring 5 to make its slow upwards, thereby make the electric motor car front portion slowly upwards, thereby accomplish the shock attenuation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A front part shock-absorbing structure of an electric vehicle, comprising a shock absorber housing (4) and a tire (1), characterized in that: the shock absorber is characterized in that supporting rods (2) are installed on two sides of the tire (1), a connecting ring (3) is sleeved on the outer surface of each supporting rod (2), the connecting ring (3) is located at the bottom end of a shock absorber shell (4), a reset spring (5) and a shock absorption groove (13) are installed below the interior of the shock absorber shell (4), a sponge body (14) is filled below the interior of the shock absorption groove (13), a shock absorption rubber ball (6) is fixed above the interior of the shock absorption groove (13), the shock absorption groove (13) and the shock absorption rubber ball (6) are both located inside the reset spring (5), a spiral shock absorption sheet (7) is connected to the middle of the interior of the shock absorber shell (4) through threads, the bottom of the spiral shock absorption sheet (7) is connected with the reset spring (5) through a lower limiting plate (11), and a piston rod (8) is connected to the top of the spiral shock absorption sheet (7) through an upper limiting plate, the inner wall of the shock absorber shell (4) is fixed with a supporting plate (9), the outer surface of the piston rod (8) is respectively fixed with a pressing plate (10) and a pre-pressing spring (12), and the pre-pressing spring (12) is located between the pressing plate (10) and the supporting plate (9).
2. The front shock-absorbing structure of an electric vehicle according to claim 1, wherein: the tail end of the piston rod (8) penetrates through the supporting plate (9), and the supporting plate (9) is welded with the shock absorber shell (4).
3. The front shock-absorbing structure of an electric vehicle according to claim 1, wherein: the shock absorption groove (13) is welded with the shock absorber shell (4), and the top end of the shock absorption rubber ball (6) is located at the middle point of the stretched height of the reset spring (5).
4. The front shock-absorbing structure of an electric vehicle according to claim 1, wherein: the diameter of the lower limiting plate (11) is the same as that of the upper limiting plate (15), and the lower limiting plate (11) and the upper limiting plate (15) are rotatably connected with the spiral damping sheet (7).
5. The front shock-absorbing structure of an electric vehicle according to claim 1, wherein: the piston rod (8) is welded with the upper limiting plate (15), the piston rod (8) is made of stainless steel materials, and the outer surface of the piston rod is smooth.
6. The front shock-absorbing structure of an electric vehicle according to claim 1, wherein: the connecting ring (3) and the shock absorber shell (4) are of an integral structure, and the connecting ring (3) is matched with the support rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499972.4U CN210942099U (en) | 2019-09-10 | 2019-09-10 | Front shock-absorbing structure of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499972.4U CN210942099U (en) | 2019-09-10 | 2019-09-10 | Front shock-absorbing structure of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210942099U true CN210942099U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499972.4U Expired - Fee Related CN210942099U (en) | 2019-09-10 | 2019-09-10 | Front shock-absorbing structure of electric vehicle |
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| CN (1) | CN210942099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965904A (en) * | 2022-07-07 | 2022-08-30 | 广州市恒力检测股份有限公司 | Mountain area is with portable environmental monitoring device |
-
2019
- 2019-09-10 CN CN201921499972.4U patent/CN210942099U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114965904A (en) * | 2022-07-07 | 2022-08-30 | 广州市恒力检测股份有限公司 | Mountain area is with portable environmental monitoring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20210910 |