CN217736126U - Novel hydraulic damping shock absorber for front fork of electric vehicle - Google Patents
Novel hydraulic damping shock absorber for front fork of electric vehicle Download PDFInfo
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- CN217736126U CN217736126U CN202221277451.6U CN202221277451U CN217736126U CN 217736126 U CN217736126 U CN 217736126U CN 202221277451 U CN202221277451 U CN 202221277451U CN 217736126 U CN217736126 U CN 217736126U
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Abstract
The utility model relates to an electric motor car front fork bumper shock absorber field specifically discloses a novel electric motor car front fork hydraulic damping bumper shock absorber, including surge drum, piston rod, damping hole and splint, the surge drum is total two sets of, the inside appropriate amount hydraulic oil that is provided with of surge drum, the surge drum upper end is pegged graft there is the piston rod, the surge drum with piston rod sliding fit connects, grease chamber has been seted up to the piston rod, the pressure release hole has been seted up at piston rod lower surface middle part, pressure release hole upper end with grease chamber bottom intercommunication, ring groove has been seted up to grease chamber bottom, ring groove lower extreme and pressure release hole upper end intercommunication, grease chamber inner wall sliding fit is connected with the movable block. The bolt is rotated, so that the inner spiral pipe slides upwards to drive the movable block to move upwards, the annular clamping blocks synchronously move, gaps between the annular clamping grooves of the annular clamping blocks are adjusted, the flow speed of hydraulic oil is influenced, and the damping and damping of the shock absorber are changed.
Description
Technical Field
The utility model relates to an electric motor car front fork bumper shock absorber field specifically is a novel electric motor car front fork hydraulic damping bumper shock absorber.
Background
The front fork component is positioned at the front part in the structure of the electric vehicle, the upper end of the front fork component is connected with the handlebar component, the frame component is matched with the front pipe, the lower end of the front fork component is matched with the front shaft component to form a guide system of the electric vehicle, and the lower end of the front fork of the electric vehicle is connected with wheels through a shock absorber, so that the driving and riding comfort of the electric vehicle is improved.
However, in the prior art, the damping force of the hydraulic damping shock absorber of the front fork of the electric vehicle cannot be adjusted, and different driver groups have different requirements for the damping effect of the shock absorber, so that the driving and riding feeling of the electric vehicle are poor.
SUMMERY OF THE UTILITY MODEL
To current problem, the utility model provides a novel electric motor car front fork hydraulic damping bumper shock absorber, the problem that proposes among the effectual solution background art.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a novel electric motor car front fork hydraulic damping bumper shock absorber, includes surge drum, piston rod, damping hole and splint, the surge drum is total two sets of, the inside appropriate hydraulic oil that is provided with of surge drum, the surge drum upper end is pegged graft there is the piston rod, the surge drum with piston rod sliding fit connects, grease chamber has been seted up to the piston rod, the pressure release hole has been seted up at piston rod lower surface middle part, pressure release hole upper end with grease chamber bottom intercommunication, grease chamber bottom has seted up ring groove, ring groove lower extreme and pressure release hole upper end intercommunication, grease chamber inner wall sliding fit is connected with the movable block, movable block lower surface middle part fixedly connected with annular fixture block, annular fixture block is directly over ring groove, just annular fixture block and ring groove shape and size looks adaptation.
As a further aspect of the present invention: the movable block is circular, just the movable block outer wall with the laminating of grease chamber inner wall, a plurality of groups damping hole have been seted up in the running through of movable block upper surface, the damping hole is the circumference array and arranges, spiral shell pipe in the fixed connection of movable block upper surface middle part, spiral shell pipe upper surface middle part set up threaded hole.
As a further aspect of the present invention: the middle part of the upper surface of the piston rod is provided with a shaft hole, the lower end of the shaft hole is communicated with the upper end of the oil chamber, the inside of the shaft hole is rotatably connected with a bolt, the lower end of the bolt is inserted into the upper surface of the inner spiral pipe, and the bolt is connected with the inner spiral pipe in a thread fit mode.
As a further aspect of the present invention: the damping cylinder is characterized in that a damping spring is fixedly connected to the lower surface of the piston rod, and the lower end of the damping spring is attached to the bottom of the inner side of the damping cylinder.
As a further aspect of the present invention: the piston rod outer wall lower part has all been seted up the ring channel, the inside joint of ring channel has the sealing washer, the laminating of sealing washer outer wall and damper cylinder inner wall.
As the utility model discloses further scheme again: the steering shaft is fixedly connected to the middle of the upper surface of the clamping plate, the upper end of the piston rod penetrates through and is inserted into two sides of the lower surface of the clamping plate respectively, a thread groove is formed in the upper portion of the outer wall of the piston rod, a nut is connected to the outer wall of the thread groove in a threaded mode, the lower surface of the nut is attached to the upper surface of the clamping plate, a limiting ring is fixedly connected to the upper portion of the outer wall of the piston rod, and the upper surface of the limiting ring is attached to the lower surface of the clamping plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the bolt rotates for interior screwed pipe up slides, drives the movable block up and removes, and annular fixture block synchronous movement simultaneously, the clearance between the annular fixture block ring groove adjusts, leads to the velocity of flow of hydraulic oil to receive the influence, thereby realizes the shock attenuation damping change of bumper shock absorber.
Drawings
FIG. 1 is a schematic structural view of a novel hydraulic damping shock absorber for an electric vehicle front fork;
FIG. 2 is a schematic view of an expanded structure of a novel hydraulic damping shock absorber for an electric vehicle front fork;
FIG. 3 is a schematic cross-sectional view of a piston rod of a novel hydraulic damping shock absorber for an electric vehicle front fork;
fig. 4 is a partial enlarged structural schematic diagram of a in the novel hydraulic damping shock absorber for the front fork of the electric vehicle shown in fig. 3.
In the figure: 1. a damper cylinder; 4. a piston rod; 5. a damping spring; 6. an annular groove; 7. a seal ring; 8. a limiting ring; 9. a thread groove; 10. an oil chamber; 11. a pressure relief vent; 12. an annular neck; 13. an inner solenoid; 14. a movable block; 15. an annular fixture block; 16. a damping hole; 17. a shaft hole; 18. a bolt; 19. a steering shaft; 20. a splint; 21. and a nut.
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 efforts all belong to the protection scope of the present invention.
As shown in fig. 1-4, in the embodiment, a novel hydraulic damping shock absorber for an electric vehicle front fork is provided, including a shock absorbing cylinder 1, a piston rod 4, damping holes 16 and a clamping plate 20, the shock absorbing cylinder 1 has two sets, a proper amount of hydraulic oil is provided inside the shock absorbing cylinder 1, the piston rod 4 is inserted into the upper end of the shock absorbing cylinder 1, the shock absorbing cylinder 1 is connected with the piston rod 4 in a sliding fit manner, an oil chamber 10 is provided on the piston rod 4, a pressure relief hole 11 is provided in the middle of the lower surface of the piston rod 4, the upper end of the pressure relief hole 11 is communicated with the bottom of the oil chamber 10, an annular clamping groove 12 is provided at the bottom of the oil chamber 10, the lower end of the annular clamping groove 12 is communicated with the upper end of the pressure relief hole 11, an inner wall of the oil chamber 10 is connected with a movable block 14 in a sliding fit manner, an annular clamping block 15 is fixedly connected to the middle of the lower surface of the movable block 14, the annular clamping block 15 is directly above the annular clamping groove 12, the annular clamping block 15 is matched with the annular clamping groove 12 in shape and size, the annular clamping block 15, the communication annular clamping block 15 moves, so as to cause the gap between the annular clamping block 15 to be adjusted, the flow rate of the hydraulic oil to be affected, and the damping of the shock absorber is changed.
In this embodiment, the movable block 14 is circular, 14 outer walls of movable block and the laminating of 10 inner walls in grease chamber, 14 upper surfaces of movable block run through and have seted up a plurality of groups of damping hole 16, damping hole 16 is the circumference array and arranges, screwed pipe 13 in 14 upper surface middle part fixedly connected with of movable block, screwed hole is seted up at interior screwed pipe 13 upper surface middle part, when the vehicle takes place to jolt, piston rod 4 slides down, damping spring 5 is compressed, simultaneously 1 inside hydraulic oil of damper cylinder is behind 4 bottom extrusions of piston rod, through pressure release hole 11, clearance between annular fixture block 15 and the annular clamp groove 12 and each group of damping hole 16 flow to grease chamber 10 inside.
In this embodiment, shaft hole 17 has been seted up at piston rod 4 upper surface middle part, shaft hole 17 lower extreme and 10 upper ends intercommunications of grease chamber, the inside rotation in shaft hole 17 is connected with bolt 18, inside solenoid 13 upper surface including the bolt 18 lower extreme is pegged graft, bolt 18 is connected through screw-thread fit with interior solenoid 13, through rotating bolt 18, make interior solenoid 13 up slide, drive movable block 14 up to move, 15 synchronous motion of annular fixture block simultaneously, lead to the clearance between 15 annular clamping groove 12 of annular fixture block to adjust.
In this embodiment, the surface fixedly connected with damping spring 5 under the piston rod 4, the laminating of damping spring 5 lower extreme and the inboard bottom of damper cylinder 1, when the vehicle takes place to jolt, piston rod 4 down slides, and damping spring 5 is compressed to carry out the shock attenuation to the vehicle, improved the comfort level of driving and taking.
In this embodiment, annular groove 6 has all been seted up to 4 outer wall lower parts of piston rod, and 6 inside joints of annular groove have sealing washer 7, and 7 outer walls of sealing washer and the laminating of 1 inner wall of damper cylinder avoid hydraulic oil to ooze from between 4 outer walls of piston rod and the 1 inner wall of damper cylinder.
In this embodiment, splint 20 upper surface middle part fixedly connected with steering spindle 19, peg graft in splint 20 lower surface both sides are run through respectively to piston rod 4 upper end, thread groove 9 has been seted up on piston rod 4 outer wall upper portion, thread groove 9 outer wall threaded connection has nut 21, the laminating of nut 21 lower surface and splint 20 upper surface, piston rod 4 outer wall upper portion fixedly connected with spacing ring 8, the laminating of spacing ring 8 upper surface and splint 20 lower surface, carry out fixed mounting with two sets of bumper shock absorbers through splint 20, then carry out the locking through nut 21, avoid becoming flexible.
The utility model discloses a theory of operation is: through rotating bolt 18, make interior solenoid 13 up slide, drive movable block 14 up and move, annular fixture block 15 synchronous motion simultaneously, lead to the clearance between annular fixture block 15 ring groove 12 to adjust, when the vehicle takes place to jolt, piston rod 4 slides down, damping spring 5 is compressed, the inside hydraulic oil of shock attenuation section of thick bamboo 1 is after 4 bottoms of piston rod are extruded simultaneously, through pressure release hole 11, clearance between annular fixture block 15 and the ring groove 12 and each group damping hole 16 flow to grease chamber 10 inside, when the clearance size between adjusting annular fixture block 15 and the ring groove 12, the velocity of flow of hydraulic oil receives the influence, lead to the damping change of bumper shock absorber.
It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relation or order between the entities or operations, and furthermore, the terms "comprise", or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, a method, an article, or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides a novel electric motor car front fork hydraulic damping bumper shock absorber, includes surge drum (1), piston rod (4), damping hole (16) and splint (20), its characterized in that, surge drum (1) is total two sets ofly, surge drum (1) inside is provided with proper amount hydraulic oil, piston rod (4) have been pegged graft to surge drum (1) upper end, surge drum (1) with piston rod (4) sliding fit connects, grease chamber (10) have been seted up in piston rod (4), pressure release hole (11) have been seted up at piston rod (4) lower surface middle part, pressure release hole (11) upper end with grease chamber (10) bottom intercommunication, ring channel (12) have been seted up to grease chamber (10) bottom, ring channel (12) lower extreme and pressure release hole (11) upper end intercommunication, grease chamber (10) inner wall sliding fit is connected with movable block (14), movable block (14) lower surface middle part fixedly connected with annular fixture block (15), annular fixture block (15) are directly over ring channel (12), just annular fixture block (15) and annular fixture block (12) shape and the size looks adaptation.
2. The novel hydraulic damping shock absorber for the front fork of the electric vehicle as claimed in claim 1, wherein the movable block (14) is circular, the outer wall of the movable block (14) is attached to the inner wall of the oil chamber (10), a plurality of groups of damping holes (16) are formed in the upper surface of the movable block (14) in a penetrating manner, the damping holes (16) are arranged in a circumferential array manner, an inner solenoid (13) is fixedly connected to the middle of the upper surface of the movable block (14), and a threaded hole is formed in the middle of the upper surface of the inner solenoid (13).
3. The novel hydraulic damping shock absorber for the front fork of the electric vehicle as claimed in claim 1, wherein a shaft hole (17) is formed in the middle of the upper surface of the piston rod (4), the lower end of the shaft hole (17) is communicated with the upper end of the oil chamber (10), a bolt (18) is rotatably connected inside the shaft hole (17), the lower end of the bolt (18) is inserted into the inner surface of the inner threaded pipe (13), and the bolt (18) is connected with the inner threaded pipe (13) in a threaded fit manner.
4. The novel hydraulic damping shock absorber for front forks of electric vehicles as claimed in claim 3, wherein the shock absorbing spring (5) is fixedly connected to the lower surface of the piston rod (4), and the lower end of the shock absorbing spring (5) is attached to the bottom of the inner side of the shock absorbing cylinder (1).
5. The novel hydraulic damping shock absorber for the front fork of the electric vehicle as claimed in claim 4, wherein the lower portion of the outer wall of the piston rod (4) is provided with an annular groove (6), the inside of the annular groove (6) is clamped with a sealing ring (7), and the outer wall of the sealing ring (7) is attached to the inner wall of the shock absorption cylinder (1).
6. The novel hydraulic damping shock absorber for front forks of electric vehicles as claimed in claim 1, wherein a steering shaft (19) is fixedly connected to the middle of the upper surface of the clamping plate (20), the upper end of the piston rod (4) is respectively inserted into the two sides of the lower surface of the clamping plate (20) in a penetrating manner, a thread groove (9) is formed in the upper portion of the outer wall of the piston rod (4), a nut (21) is connected to the outer wall of the thread groove (9) in a threaded manner, the lower surface of the nut (21) is attached to the upper surface of the clamping plate (20), a limiting ring (8) is fixedly connected to the upper portion of the outer wall of the piston rod (4), and the upper surface of the limiting ring (8) is attached to the lower surface of the clamping plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221277451.6U CN217736126U (en) | 2022-05-26 | 2022-05-26 | Novel hydraulic damping shock absorber for front fork of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221277451.6U CN217736126U (en) | 2022-05-26 | 2022-05-26 | Novel hydraulic damping shock absorber for front fork of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217736126U true CN217736126U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221277451.6U Active CN217736126U (en) | 2022-05-26 | 2022-05-26 | Novel hydraulic damping shock absorber for front fork of electric vehicle |
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| CN (1) | CN217736126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848547A (en) * | 2023-02-22 | 2023-03-28 | 无锡天禧机械设备制造有限公司 | Front fork damping mechanism for buffering electric vehicle |
-
2022
- 2022-05-26 CN CN202221277451.6U patent/CN217736126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115848547A (en) * | 2023-02-22 | 2023-03-28 | 无锡天禧机械设备制造有限公司 | Front fork damping mechanism for buffering electric vehicle |
| CN115848547B (en) * | 2023-02-22 | 2023-04-25 | 无锡天禧机械设备制造有限公司 | Front fork damping mechanism based on electric vehicle buffering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Hydraulic Damping Shock Absorber for Electric Vehicle Front Fork Effective date of registration: 20230822 Granted publication date: 20221104 Pledgee: Wuxi Xishan sub branch of Bank of China Ltd. Pledgor: Wuxi Tianxi Machinery Equipment Manufacturing Co.,Ltd. Registration number: Y2023980053301 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |