CN206297690U - A kind of shock-absorbing front fork - Google Patents
A kind of shock-absorbing front fork Download PDFInfo
- Publication number
- CN206297690U CN206297690U CN201621138568.0U CN201621138568U CN206297690U CN 206297690 U CN206297690 U CN 206297690U CN 201621138568 U CN201621138568 U CN 201621138568U CN 206297690 U CN206297690 U CN 206297690U
- Authority
- CN
- China
- Prior art keywords
- guide pipe
- intubation
- front fork
- shock
- front axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000002627 tracheal intubation Methods 0.000 claims abstract description 28
- 238000013016 damping Methods 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 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
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model belongs to vehicle front fork technical field, refers in particular to a kind of shock-absorbing front fork.Including yoke plate, standpipe and left and right guide pipe are fixed with yoke plate, damping spring is provided with left and right guide pipe, damping spring lower end connects piston rod, piston rod is up and down to be arranged in guide pipe, piston-rod lower end is connected in intubation, and two intubations it is up and down respectively, sealing be socketed on left and right guide pipe；Two intubation bottoms are provided with axis hole, wherein axially offering open slot on the side wall of axis hole in an intubation, open slot two sides pass through nut axial restraint front axle by the circumferentially fixed front axle of fastener, the axis hole in another intubation.Front fork of the present utility model and one end that the mounting means of front axle is first with nut axial restraint front axle, then with the other end of the circumferentially fixed front axle of bolt, left and right damping is in free state, prevent clamping stagnation or the phenomenon of oil leak occur because of the unilateral stress friction of oil sealing using rear damping.
Description
Technical field
The utility model belongs to vehicle front fork technical field, refers in particular to a kind of shock-absorbing front fork.
Background technology
At present, in the front fork structure of the vehicles such as electric motor car, motorcycle, because yoke plate has machining tolerance, unavoidably
Meeting cause the installation dimension deviation of preceding damping, cause a series of problems occurs in assembling process.Wherein, preceding damping is installed
After open outside grade angle partially, being installed between axle sleeve, wheel hub and front fork can leave gap, when front axle is fastened, force to tense in the middle of
Gap, can cause that damping could not be located in a free state, clamping stagnation easily occur or using rear damping because the unilateral stress of oil sealing is rubbed
Wipe and the phenomenon of oil leak occur, influence normal service life.
The content of the invention
The purpose of this utility model is to provide a kind of simple structure, can effectively solve the shock-absorbing front fork of damping oil leak.
What the purpose of this utility model was realized in：
A kind of shock-absorbing front fork, including yoke plate, yoke plate upper end are fixed with standpipe, and yoke plate two ends are installed with left and right guiding respectively
Pipe, is provided with damping spring in the left and right guide pipe, damping spring upper end is connected to the top of guide pipe, lower end and abuts
In the upper end of piston rod, the piston rod is up and down to be arranged in guide pipe, and two-piston bar bottom is connected in respectively
In two intubations, two intubation is up and down respectively, sealing is socketed on left and right guide pipe；The two intubations bottom is respectively provided with
There is the axis hole of fixed front axle, wherein axially offering open slot on the side wall of axis hole in an intubation, open slot two sides lead to
The circumferentially fixed front axle of fastener is crossed, the axis hole in another intubation passes through nut axial restraint front axle.
Preferably, the both sides interplanar distance of the open slot is 1-2mm.
Preferably, the fastener is bolt, and the open slot side is provided with screwed hole, is connected through a screw thread change axle
The diameter in hole.
Preferably, the intubation upper end is provided with stepped hole, and inner oil seal is provided with stepped hole, and the inner oil seal is by card
Spring is spacing, and the jump ring upper end is additionally provided with outer oil seal.
Preferably, it is provided with reinforcer in the interior outer oil seal.
Preferably, the upper end outside of the piston rod is provided with secondary spring, and secondary spring upper end abuts on the piston rod
On the limited block of end, secondary spring lower end is connected on the bottom inwall of guide pipe.
Preferably, the limited block is provided with seal groove, and sealing ring is provided with seal groove, and sealing ring is movably arranged on leads
To on the inwall of pipe；Lower oil sealing is provided with the guide pipe lower end, lower oil sealing inwall is movably arranged on piston rod outer wall.
The utility model is prominent and beneficial compared to existing technology to be had the technical effect that：
1. the mounting means of front fork of the present utility model and front axle is one end first with nut axial restraint front axle, so
Afterwards with the other end of the circumferentially fixed front axle of bolt, left and right damping is in free state, prevent clamping stagnation or use
There is the phenomenon of oil leak because of the unilateral stress friction of oil sealing in damping afterwards.
2. the inside and outside oil sealing sealing that guide pipe of the present utility model and intubation pass through built-in reinforcer, and limited by jump ring
Position, can increase the sealing property of junction, and effectively prevent oil leak.
3. the utility model secondary spring can slow down the active force produced when damping spring resets.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is enlarged drawing at the A of Fig. 1.
Fig. 3 is the profile of the utility model damping.
In figure：1- standpipes；2- bolts installation position；4- yoke plates；5- guide pipes；6- intubations；7- axis holes；8- open slots；Before 9-
Wheel shaft；10- nuts；11- fasteners；12- mounting holes；20- damping springs；21- piston rods；22- stepped holes；23- inner oil seals；
24- jump rings；25- outer oil seals；26- reinforcers；27- secondary springs；28- limited blocks；29- sealing rings；Oil sealing under 30-.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-3：
A kind of shock-absorbing front fork, including yoke plate 4, the upper end of yoke plate 4 are fixed with standpipe 1, and standpipe 1 is used to be fastened on vehicle frame
On, the two ends of yoke plate 4 have been respectively fixedly connected with left and right guide pipe 5, the left and right guide pipe 5 and have been provided with damping spring 20, damping
The upper end of spring 20 is connected to the top of guide pipe 5, and the lower end of damping spring 20 abuts the upper end of piston rod 21, the piston rod 21
Upper end is up and down to be arranged in guide pipe 5.Be connected in for the piston rod 21 through the mounting hole 12 of the bottom of intubation 6 by screw
In intubation 6.And left and right intubation 6 is up and down respectively, sealing is socketed on left and right guide pipe 5.The bottom of left and right intubation 6 is all provided with
The axis hole 7 of fixed front axle 9 is equipped with, wherein bolt installation position 2 is outward extended with the side wall of axis hole 7 in right intubation 6, in spiral shell
Bolt installation position 2 offers open slot 8 along the direction of aperture, open slot 8 connection axis hole 7 and bolt installation position 2 is divided into two
Point, top is separately provided with bolt installation through-hole, and bottom has separately been provided with screwed hole.Bolt installation position 2 is changed by fastener 11
The diameter of axis hole 7 realizes the purpose of circumferentially fixed front axle 9；Axis hole 7 in the right intubation 6 passes through the axial restraint of nut 10
Front axle 9.
Preferably, the both sides interplanar distance of the open slot 8 is 1-2mm.
Preferably, the upper end of the intubation 6 is provided with stepped hole 22, stepped hole 22 and is provided with inner oil seal 23, the interior oil
Envelope 23 is spacing by jump ring 24, and the upper end of the jump ring 24 is additionally provided with outer oil seal 25.Guide pipe 5 and intubation 6 are by built-in reinforcement
The inside and outside oil sealing 23,25 of part 26 is sealed, then spacing by jump ring 24, can effectively prevent the oil leakage phenomenon of junction from occurring.
Preferably, it is provided with reinforcer 26 in the inside and outside oil sealing 23,25.The reinforcer 26 is generally the gold such as aluminium, iron
The L-shaped metalwork that category is made, the intensity for preferably strengthening inside and outside oil sealing 23,25.
Preferably, the upper end outside of the piston rod 21 is provided with secondary spring 27, and the upper end of secondary spring 27 is connected to work
On the limited block 28 of the upper end of stopper rod 21, the limited block 28 is screwed onto the upper end of piston rod 21, and the lower end of secondary spring 27 abuts
On the bottom inwall of guide pipe 5, secondary spring 27 can slow down the active force produced when damping spring 20 resets, to consumer
Bring more comfortable experience.In addition, limited block 28 can prevent it from departing from intubation 6 with the position of spacing guide pipe 5.
Preferably, the limited block 28 is provided with seal groove, and sealing ring 29 is provided with seal groove, and the activity of sealing ring 29 sets
Put on the inwall of guide pipe 5；Lower oil sealing 30, the up and down setting of the lower inwall of oil sealing 30 are provided with the lower end of the guide pipe 5
On the outer wall of piston rod 21.The effect of the sealing ring 29 and lower oil sealing 30 is to prevent junction oil leak, influences damping effect.
Mounting means：When mounted, it is then circumferentially fixed with bolt first with the left end of the axial restraint front axle 9 of nut 10
The right-hand member of front axle, makes left and right damping be in free state, prevents clamping stagnation or is received because oil sealing is unilateral using rear damping
Power rubs and the phenomenon of oil leak occurs.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (7)
1. a kind of shock-absorbing front fork, it is characterised in that：Including yoke plate (4), yoke plate (4) upper end is fixed with standpipe (1), yoke plate (4) two
End is installed with left and right guide pipe (5), the left and right guide pipe (5) and is provided with damping spring (20), damping spring respectively
(20) upper end is connected to the upper end that the top of guide pipe (5), lower end are connected to piston rod (21), and the piston rod (21) is up and down
It is movably arranged in guide pipe (5), and two-piston bar (21) bottom is connected in two intubations (6) respectively, two intubation (6)
Up and down respectively, sealing is socketed on left and right guide pipe (5)；Two intubation (6) bottom is provided with fixed front axle
(9) axis hole (7), wherein axially offering open slot (8), open slot (8) two on the side wall of axis hole (7) in an intubation (6)
Side is by fastener (11) circumferentially fixed front axle (9), and the axis hole (7) on another intubation (6) is axially solid by nut (10)
Determine front axle (9).
2. a kind of shock-absorbing front fork according to claim 1, it is characterised in that：The both sides interplanar distance of the open slot (8) is
1-2mm。
3. a kind of shock-absorbing front fork according to claim 1, it is characterised in that：The fastener (11) is bolt, described to open
Mouth groove (8) side is provided with screwed hole, is connected through a screw thread the diameter for changing axis hole (7).
4. a kind of shock-absorbing front fork according to claim 1, it is characterised in that：Intubation (6) upper end is provided with stepped hole
(22) inner oil seal (23), is provided with stepped hole (22), the inner oil seal (23) is spacing by jump ring (24), the jump ring (24)
Upper end is additionally provided with outer oil seal (25).
5. a kind of shock-absorbing front fork according to claim 4, it is characterised in that：It is respectively provided with the inside and outside oil sealing (23,25)
There is reinforcer (26).
6. a kind of shock-absorbing front fork according to claim 1 or 4, it is characterised in that：The upper end outside of the piston rod (21)
Secondary spring (27) is provided with, secondary spring (27) upper end is connected on the limited block (28) of piston rod (21) upper end, it is secondary
Spring (27) lower end is connected on the bottom inwall of guide pipe (5).
7. a kind of shock-absorbing front fork according to claim 6, it is characterised in that：The limited block (28) is provided with seal groove,
Sealing ring (29) is provided with seal groove, sealing ring (29) is movably arranged on the inwall of guide pipe (5)；The guide pipe (5)
Lower oil sealing (30) is provided with lower end, lower oil sealing (30) inwall is movably arranged on piston rod (21) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138568.0U CN206297690U (en) | 2016-10-19 | 2016-10-19 | A kind of shock-absorbing front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138568.0U CN206297690U (en) | 2016-10-19 | 2016-10-19 | A kind of shock-absorbing front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206297690U true CN206297690U (en) | 2017-07-04 |
Family
ID=59202223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621138568.0U Expired - Fee Related CN206297690U (en) | 2016-10-19 | 2016-10-19 | A kind of shock-absorbing front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206297690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554670A (en) * | 2017-10-15 | 2018-01-09 | 江苏新光华机械有限公司 | Treadmill plate direction device |
-
2016
- 2016-10-19 CN CN201621138568.0U patent/CN206297690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554670A (en) * | 2017-10-15 | 2018-01-09 | 江苏新光华机械有限公司 | Treadmill plate direction device |
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Legal Events
| 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: 20170704 |