CN214267863U - Front fork device of portal frame - Google Patents
Front fork device of portal frame Download PDFInfo
- Publication number
- CN214267863U CN214267863U CN202120248938.0U CN202120248938U CN214267863U CN 214267863 U CN214267863 U CN 214267863U CN 202120248938 U CN202120248938 U CN 202120248938U CN 214267863 U CN214267863 U CN 214267863U
- Authority
- CN
- China
- Prior art keywords
- damping spring
- ring
- guide
- fork
- front fork
- 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.)
- Active
Links
Images
Landscapes
- Steering Devices For Bicycles And Motorcycles (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a portal frame front fork device, including fork riser and fork shoulder, the fork shoulder is the U type and both ends all are equipped with the shock attenuation packing ring, shock attenuation packing ring bottom is equipped with guide tube and guide pillar in proper order, the guide pillar cover is established inside the guide tube, the inside first support column that is equipped with of shock attenuation packing ring, first support column both ends are equipped with first fixed plate and second fixed plate respectively, first damping spring is installed to second fixed plate bottom, first damping spring bottom is equipped with the carrier ring, the carrier ring bottom is equipped with second damping spring, second damping spring is equipped with solid fixed ring; a second supporting column penetrates through the second fixing plate and the fixing ring; first fixed plate fixed mounting is in fork shoulder bottom, and the equal fixed mounting of second fixed plate and solid fixed ring is inside the guide pillar. The utility model provides high damping washer, first damping spring and second damping spring combined action carry out the shock attenuation to the bicycle portal frame, simple structure, and the shock attenuation is effectual.
Description
Technical Field
The utility model mainly relates to the technical field of bicycles, especially, relate to a portal frame front fork device.
Background
The vibration of the bicycle body causes vibration and impact to the wrists and arms of the human body, making the human body feel uncomfortable, and at the same time, the vibration of the handlebars makes it difficult for the human to control the vehicle, and may cause unstable driving, or even danger. In order to reduce the vibration and impact, the vehicle mostly adopts a method of installing a damping front fork, the damping effect is not ideal, the stroke is small, the vibration of the handlebar is large during running, the comfort and the stability are difficult to guarantee, meanwhile, the working flexibility, the stability and the safety performance are poor, the oil leakage phenomenon is easy to generate, and the service life is short.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a portal frame front fork device, which comprises a fork vertical pipe and a fork shoulder, wherein the fork shoulder is U-shaped, two ends of the fork shoulder are respectively provided with a damping washer, the bottom of the damping washer is sequentially provided with a guide cylinder and a guide pillar, the guide pillar is sleeved inside the guide cylinder, a first support pillar is arranged inside the damping washer, two ends of the first support pillar are respectively provided with a first fixing plate and a second fixing plate, the bottom of the second fixing plate is provided with a first damping spring, the bottom of the first damping spring is provided with a bearing ring, the bottom of the bearing ring is provided with a second damping spring, and the second damping spring is provided with a fixing ring; a second supporting column penetrates through the second fixing plate and the fixing ring; the first fixing plate is fixedly installed at the bottom of the fork shoulder, and the second fixing plate and the fixing ring are both fixedly installed inside the guide pillar.
Preferably, an arc-shaped portal frame is arranged between the two guide cylinders.
Preferably, the two guide cylinders are connected with the arc portal frame in a welding mode.
Preferably, the center of the fixing ring is provided with a through hole, and the diameter of the through hole is larger than that of the cross section of the second supporting column.
Preferably, the bottom of the guide post is provided with a fixed foot ring.
Preferably, the inner diameter of the guide cylinder is larger than the outer diameter of the guide pillar.
Preferably, the bottom of the guide cylinder is provided with a circular truncated cone, and the inner diameter of the circular truncated cone is equal to the outer diameter of the guide pillar.
The utility model has the advantages that: damping washer, first damping spring and second damping spring combined action carry out the shock attenuation to bicycle portal frame, simple structure, and the shock attenuation is effectual.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-2, the present invention comprises: the fork comprises a fork vertical pipe 1 and a fork shoulder 2, wherein the fork shoulder 2 is U-shaped, two ends of the fork shoulder 2 are respectively provided with a damping washer 3, the bottom of the damping washer 3 is sequentially provided with a guide cylinder 4 and a guide pillar 5, the guide pillar 5 is sleeved inside the guide cylinder 4, a first support column 6 is arranged inside the damping washer 3, two ends of the first support column 6 are respectively provided with a first fixing plate 7 and a second fixing plate 8, the bottom of the second fixing plate 8 is provided with a first damping spring 9, the bottom of the first damping spring 9 is provided with a bearing ring 10, the bottom of the bearing ring 10 is provided with a second damping spring 11, and the second damping spring 11 is provided with a fixing ring 12; a second supporting column 13 penetrates through the second fixing plate 8 and the fixing ring 12; the first fixing plate 7 is fixedly arranged at the bottom of the fork shoulder 2, and the second fixing plate 8 and the fixing ring 12 are both fixedly arranged inside the guide post 5.
In the present embodiment, an arc-shaped gantry 14 is preferably disposed between the two guide cylinders 4.
In this embodiment, the two guide cylinders 4 are preferably connected to the arc gantry 14 by welding.
In the present embodiment, it is preferable that the center of the fixing ring 12 is provided with a through hole, and the diameter of the through hole is larger than the diameter of the cross section of the second supporting column 13.
In the present embodiment, the bottom of the guide post 5 is preferably provided with a fixing foot ring 15.
In the present embodiment, the inner diameter of the guide cylinder 4 is preferably larger than the outer diameter of the guide post 5.
In this embodiment, the bottom of the guide tube 4 is preferably provided with a circular truncated cone, and the inner diameter of the circular truncated cone is equal to the outer diameter of the guide post 5.
In use, the damping washer, the first damping spring and the second damping spring act together to damp the bicycle portal frame.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The portal frame front fork device is characterized by comprising a fork vertical pipe (1) and a fork shoulder (2), wherein the fork shoulder (2) is U-shaped, damping gaskets (3) are arranged at two ends of the fork shoulder, a guide cylinder (4) and a guide pillar (5) are sequentially arranged at the bottom of each damping gasket (3), the guide pillar (5) is sleeved inside the guide cylinder (4), a first supporting column (6) is arranged inside the damping gasket (3), a first fixing plate (7) and a second fixing plate (8) are respectively arranged at two ends of the first supporting column (6), a first damping spring (9) is installed at the bottom of the second fixing plate (8), a bearing ring (10) is arranged at the bottom of the first damping spring (9), a second damping spring (11) is arranged at the bottom of the bearing ring (10), and a fixing ring (12) is arranged on the second damping spring (11); a second supporting column (13) penetrates through the second fixing plate (8) and the fixing ring (12);
the first fixing plate (7) is fixedly installed at the bottom of the fork shoulder (2), and the second fixing plate (8) and the fixing ring (12) are both fixedly installed inside the guide post (5).
2. The gantry front fork apparatus of claim 1, wherein: an arc-shaped portal frame (14) is arranged between the two guide cylinders (4).
3. The gantry front fork apparatus of claim 1, wherein: the two guide cylinders (4) are connected with the arc portal frame (14) in a welding mode.
4. The gantry front fork apparatus of claim 1, wherein: the center of the fixing ring (12) is provided with a through hole, and the diameter of the through hole is larger than that of the cross section of the second supporting column (13).
5. The gantry front fork apparatus of claim 1, wherein: the bottom of the guide post (5) is provided with a fixed foot ring (15).
6. The gantry front fork apparatus of claim 1, wherein: the inner diameter of the guide cylinder (4) is larger than the outer diameter of the guide post (5).
7. The gantry front fork apparatus of claim 1, wherein: the bottom of the guide cylinder (4) is provided with a circular truncated cone, and the inner diameter of the circular truncated cone is equal to the outer diameter of the guide pillar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248938.0U CN214267863U (en) | 2021-01-28 | 2021-01-28 | Front fork device of portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248938.0U CN214267863U (en) | 2021-01-28 | 2021-01-28 | Front fork device of portal frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214267863U true CN214267863U (en) | 2021-09-24 |
Family
ID=77769364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120248938.0U Active CN214267863U (en) | 2021-01-28 | 2021-01-28 | Front fork device of portal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214267863U (en) |
-
2021
- 2021-01-28 CN CN202120248938.0U patent/CN214267863U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214267863U (en) | Front fork device of portal frame | |
| CN103089907A (en) | High-stability shock absorber assembly of automobile | |
| CN104843135A (en) | Motorcycle engine front suspension structure | |
| CN211474739U (en) | Front shock absorber with plastic dustproof pipe | |
| CN217515301U (en) | All-terrain vehicle | |
| CN215334336U (en) | Gearbox assembly suspension vibration damper | |
| CN214661687U (en) | Shock absorber for three-wheel wagon | |
| CN209833881U (en) | Single shock-absorbing bicycle front fork | |
| CN209245136U (en) | Inversed front shock absorber | |
| CN203651383U (en) | Damping device of electric fire patrol vehicle | |
| CN206297690U (en) | A kind of shock-absorbing front fork | |
| CN214267864U (en) | Disc brake front fork device and shock absorber rod barrel | |
| CN204659948U (en) | A kind of front suspending structure of motorcycle engine | |
| CN216715063U (en) | Front shock absorption buffer device | |
| CN214838079U (en) | Vibration damper | |
| CN218670366U (en) | Damping-adjustable inverted front shock absorber | |
| CN215514005U (en) | Reinforced rear bottom fork | |
| CN108180239B (en) | Vehicle shock absorber with double springs | |
| CN205203267U (en) | Novel bicycle front fork of moving away to avoid possible earthquakes | |
| CN100363642C (en) | Horizontal rear shock absorber of motorcycle | |
| CN215805917U (en) | Rear shock absorber with knuckle bearing | |
| CN215475556U (en) | Middle tube of bicycle frame | |
| JP2004237791A (en) | Single opening fork bicycle | |
| CN217227283U (en) | Engine shock absorption support | |
| CN209743461U (en) | Oil pressure shock-absorbing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |