CN208119344U - A kind of longitudinal folding front fork - Google Patents
A kind of longitudinal folding front fork Download PDFInfo
- Publication number
- CN208119344U CN208119344U CN201820483158.2U CN201820483158U CN208119344U CN 208119344 U CN208119344 U CN 208119344U CN 201820483158 U CN201820483158 U CN 201820483158U CN 208119344 U CN208119344 U CN 208119344U
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- Prior art keywords
- section pipe
- positioning
- end cap
- hinge
- shaft sleeve
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Abstract
The utility model relates to a kind of longitudinal folding front forks, including standpipe and crotch, the lower end of the standpipe is fixedly connected with the top of the crotch, the lower end of the crotch is equipped with the axis hole for installing front axle, the standpipe is made of lower section pipe and upper section pipe, the upper section pipe and lower section pipe are hinged by Quick-dismantle component, and the Quick-dismantle component includes turning handle, pin shaft and jacking block, and the axis of the pin shaft is parallel with the axis of the axis hole；The locking positioning mechanism that extreme position is folded for locking positioning folding stand is equipped between the lower end of the upper section pipe and the upper end of the lower section pipe.Vehicle frame described in the utility model has the function of fore-aft fold, by realizing that the folding of front fork can enable the folding effect of bicycle entirety more preferably.In addition, front fork has the function of extreme position hidden type automatic locking in the utility model, it is highly-safe.
Description
Technical field
The utility model belongs to bicycle, electric accessory motor technical field, more particularly to a kind of longitudinal folding front fork.
Background technique
Bicycle is the preferred traffic walking-replacing tool of people's short distance trip, is realized with people's environmental protection and Green Travel
It improves, bicycle, electric vehicle increasingly has been favored by people.
Front fork is bicycle, the necessary parts structure on electric vehicle, is turned to for installing front-wheel and realizing.Before bicycle
Fork is made of standpipe and crotch, and the lower end of standpipe is fixedly connected with and (generally welds) crotch, and the lower end of crotch has for installing
The axis hole of front wheel axle.Standpipe is mounted on the front sleeve of cycle frame by bearing.
The existing bicycle with folder function is mostly to be realized by the folding of vehicle frame, and bicycle front fork does not have
Folder function has so limited to the folding effect of folding bicycle.Although currently, on the market in the presence of can be longitudinal folding front fork,
But its folded portion is all made of single retaining mechanism locking, bicycle, front fork of electric vehicle is to need frequently to bear impact of collision
The component of power, under this working environment, single tight mechanism locking is easy to fail, once and this retaining mechanism fails, it is preceding
Fork will deform and lose completely support force, and there are serious security risks.
Summary of the invention
The utility model aims to solve the problem that the folding effect of folding bicycle in the prior art has the technical issues of limitation and mentions
For it is a kind of suitable for the various such as bicycle, electric bicycle, vehicle using motor, electro-tricycle can it is longitudinal folding, can
Enable vehicle that there is better folding effect and safer longitudinal folding front fork.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique：A kind of longitudinal folding
Prestack fork, including standpipe and crotch, the lower end of the standpipe are fixedly connected with the top of the crotch, and the lower end of the crotch is set
There is the axis hole for installing front axle, it is characterised in that：The standpipe is made of lower section pipe and upper section pipe, and the upper section pipe is under
Section pipe is hinged by Quick-dismantle component, and the Quick-dismantle component includes turning handle, pin shaft and jacking block, the axis of the pin shaft and the axis hole
Axis it is parallel；It is equipped between the lower end of the upper section pipe and the upper end of the lower section pipe and is folded for locking positioning folding stand
The concealed locking positioning mechanism of extreme position.
The utility model can also use following technical measures：
The upper end of the lower section pipe is fixed with hinge Lower shaft sleeve, and the lower end of the upper section pipe is fixed with hinge Upper shaft sleeve, institute
State the linkage that hinge Lower shaft sleeve, hinge Upper shaft sleeve and the pin shaft through the two constitute hinged upper section pipe and lower section pipe.
The locking positioning mechanism includes positioning plate, positioning pin and elastomeric element, and the positioning plate is fixed on the hinge
The side of Lower shaft sleeve, the hinge Upper shaft sleeve are equipped with end cap, and the front of the end cap is equipped with prolongs along the pin shaft axis direction
The chute hole stretched, being fitted on the chute hole can be along the chute hole locking key living moved, and the positioning pin is located at described
The inside of end cap, the positioning pin are fixedly connected with the locking key, and the positioning plate, which is equipped with, can enable the positioning pin be inserted into
Two location holes, the elastomeric element is sleeved on the positioning pin and abuts against the end cap inner wall.
The positioning plate is equipped with arc groove, and the both ends of the arc groove are respectively equipped with the location hole, the positioning
The end of pin is located in the arc groove.
The locking positioning mechanism includes positioning plate, positioning pin and elastomeric element, and the positioning plate is fixed on the hinge
The side of Lower shaft sleeve, the hinge Upper shaft sleeve are equipped with end cap, and the positioning pin is inserted on the end cap and the top of positioning pin
End position is corresponding with the positioning plate, and the positioning plate is equipped with two location holes that can enable the positioning pin insertion, the bullet
Property component is sleeved on the positioning pin and abuts against the end cap inner wall.
The locking positioning mechanism includes ratchet, pawl, pawl axis and spring, and the ratchet is fixed on the hinge Lower shaft sleeve
On, the hinge Upper shaft sleeve is equipped with end cap, and the pawl is hinged on the inside of the end cap by pawl axis and position and the spine
Wheel corresponds to, and the spring pocket is on the pawl axis, and the end of the pawl axis is equipped with knob, and the knob is located at the end cap
Outside.
The utility model has the advantages and positive effects of：
Vehicle frame described in the utility model has the function of fore-aft fold, by realizing that the folding of front fork can enable bicycle whole
Folding effect more preferably.In addition, front fork has the function of extreme position hidden type automatic locking in the utility model, even if Quick-dismantle component because
Malfunction and failure, it is indeformable that herein described front fork can still be maintained rigid support, highly-safe, avoids the hair of safety accident
It is raw.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one in the utility model；
Fig. 2 is the explosive view of embodiment one in the utility model；
Fig. 3 is the structural schematic diagram of the crotch of embodiment one and lower section pipe in the utility model.
In figure：1, standpipe；1-1, lower section pipe；1-2, upper section pipe；2, crotch；3, turning handle；4, pin shaft；5, jacking block；6, hinge
Lower shaft sleeve；7, hinge Upper shaft sleeve；8, positioning plate；8-1, location hole；8-2, arc groove；9, positioning pin；10, end cap；10-1, sliding slot
Hole；11, locking key.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing：
Embodiment one
Please refer to Fig. 1-Fig. 3, a kind of longitudinal folding front fork, including standpipe 1 and crotch, the lower end of the standpipe 1 with it is described
The top of crotch is fixedly connected, and the lower end of the crotch is equipped with the axis hole for installing front axle.In the present embodiment, standpipe 1
Crotch is welded in lower end, and the lower end of crotch has the axis hole for installing front wheel axle.Standpipe 1 is mounted on vehicle by bearing
On the front sleeve of frame.
The standpipe 1 is made of lower section pipe 1-1 and upper section pipe 1-2, and the upper section pipe 1-2 and lower section pipe 1-1 pass through Quick Release
Member hinges, the Quick-dismantle component include turning handle 3, pin shaft 4 and jacking block 5, and the axis of the pin shaft 4 and the axis of the axis hole are flat
Row.Quick-dismantle component is technology well known to bicycle art, can pass through 3 quick locking of turning handle, two articulation piece.
It is equipped between the lower end of the upper section pipe 1-2 and the upper end of the lower section pipe 1-1 and is used for locking positioning folding stand
Fold the locking positioning mechanism of extreme position.The upper end of the lower section pipe 1-1 is fixed with hinge Lower shaft sleeve 6, the upper section pipe 1-2
Lower end be fixed with hinge Upper shaft sleeve 7, the hinge Lower shaft sleeve 6, hinge Upper shaft sleeve 7 and the pin shaft 4 through the two are constituted hingedly
The linkage of upper section pipe 1-2 and lower section pipe 1-1.
In the present embodiment, the locking positioning mechanism includes positioning plate 8, positioning pin 9 and elastomeric element.The positioning plate 8
It is fixed on the side of the hinge Lower shaft sleeve 6.The hinge Upper shaft sleeve 7 is equipped with end cap 10, and the front of the end cap 10 is equipped with
The chute hole 10-1 extended along 4 axis direction of pin shaft.Being fitted on the chute hole 10-1 can be along the chute hole 10-
1 locking key 11 living moved.The positioning pin 9 is located at the inside of the end cap 10, and the positioning pin 9 is fixedly connected with the locking key
11, the positioning plate 8 is equipped with the two location hole 8-1 that the positioning pin 9 can be enabled to be inserted into.The elastomeric element is sleeved on described
On positioning pin 9 and abut against 10 inner wall of end cap.By control locking key 11, living move can enable positioning pin 9 in chute hole 10-1
It is inserted into the location hole 8-1 of positioning plate 8, realizes the locked positioning for folding front fork extreme position.In the present embodiment, positioning plate 8 with
Hinge Lower shaft sleeve 6 is integrated construction, and end cap 10 and hinge Upper shaft sleeve 7 are integrated construction.Elastomeric element is spring, the effect of spring
It is to guarantee that positioning pin 9 reliably in insertion location hole 8-1, is continuously applied the pressure in insertion location hole 8-1, spring to positioning pin 9
It is not done in the accompanying drawings.
The positioning plate 8 is equipped with arc groove 8-2, and the both ends of the arc groove 8-2 are respectively equipped with the location hole 8-
1, the end of the positioning pin 9 is located in the arc groove 8-2.Arc groove 8-2 can play guiding to the end of positioning pin 9 and make
With enabling the end of positioning pin 9 more smoothly be inserted into location hole 8-1.
Embodiment two
Locking positioning mechanism and embodiment one in the present embodiment is distinct, is specifically distinguished as：
The locking positioning mechanism includes positioning plate, positioning pin and elastomeric element.The positioning plate is fixed on the hinge
The side of Lower shaft sleeve, the hinge Upper shaft sleeve are equipped with end cap.The positioning pin is inserted on the end cap and the top of positioning pin
End position is corresponding with the positioning plate, and the positioning plate is equipped with two location holes that can enable the positioning pin insertion, the bullet
Property component is sleeved on the positioning pin and abuts against the end cap inner wall.
Positioning pin can be enabled to be inserted into the location hole of positioning plate by plug positioning pin, realize and fold front fork extreme position
Locked positioning.In the present embodiment, positioning plate and hinge Lower shaft sleeve are integrated construction, and end cap and hinge Upper shaft sleeve are integrated construction.
Elastomeric element is spring, and the effect of spring is to guarantee that positioning pin is reliably inserted into location hole, and it is fixed to be continuously applied insertion to positioning pin
Pressure in the hole of position.
Embodiment three
Locking positioning mechanism and embodiment one in the present embodiment is distinct, is specifically distinguished as：
The locking positioning mechanism includes ratchet, pawl, pawl axis and spring.The ratchet is fixed on the hinge Lower shaft sleeve
On, the hinge Upper shaft sleeve is equipped with end.The pawl is hinged on the inside of the end cap by pawl axis and position and the ratchet
It is corresponding.For the spring pocket on the pawl axis, the effect of spring is to enable pawl that can reliably be clamped the ratchet.The pawl axis
End knob is installed, the knob is located at the outside of the end cap.
By rotation knob realize pawl and the engagement of ratchet with separate, realized with this and fold locking for any position of front fork
Positioning.In the present embodiment, positioning plate and hinge Lower shaft sleeve are integrated construction, and end cap and hinge Upper shaft sleeve are integrated construction.
In the application, end cap is that the internal semi-surrounding shape with cavity constructs, and locking positioning mechanism and linkage are equal
It is hidden on the inside of end cap, not only enables the more brief beauty of the shape of front fork, and can be to locking positioning mechanism and linkage
It plays a protective role.
The above is only preferred embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, such as 1, by end cap
It is exchanged with the upper and lower position of positioning plate；2, the length of upper section pipe is directly equal to the length of standpipe, i.e., upper section pipe, that is, standpipe directly with
Crotch is hinged.These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of longitudinal folding front fork, including standpipe (1) and crotch (2), lower end and the crotch (2) of the standpipe (1)
Top is fixedly connected, and the lower end of the crotch (2) is equipped with the axis hole for installing front axle, it is characterised in that：The standpipe (1)
It being made of lower section pipe (1-1) and upper section pipe (1-2), the upper section pipe (1-2) and lower section pipe (1-1) are hinged by Quick-dismantle component,
The Quick-dismantle component includes turning handle (3), pin shaft (4) and jacking block (5), and the axis of the pin shaft (4) and the axis of the axis hole are flat
Row；
It is equipped between the lower end of the upper section pipe (1-2) and the upper end of the lower section pipe (1-1) and is used for locking positioning folding stand
Fold the locking positioning mechanism of extreme position.
2. longitudinal folding front fork according to claim 1, it is characterised in that：The upper end of the lower section pipe (1-1) is fixed with
The lower end of hinge Lower shaft sleeve (6), the upper section pipe (1-2) is fixed with hinge Upper shaft sleeve (7), the hinge Lower shaft sleeve (6), hinge
Upper shaft sleeve (7) and the linkage that hinged upper section pipe (1-2) and lower section pipe (1-1) are constituted through the pin shaft (4) of the two.
3. longitudinal folding front fork according to claim 2, it is characterised in that：The locking positioning mechanism includes positioning plate
(8), positioning pin (9) and elastomeric element, the positioning plate (8) are fixed on the side of the hinge Lower shaft sleeve (6), on the hinge
Axle sleeve (7) is equipped with end cap (10), and the front of the end cap (10) is equipped with the chute hole extended along the pin shaft (4) axis direction
(10-1), being fitted on the chute hole (10-1) can be described fixed along the chute hole (10-1) locking key (11) living moved
Position pin (9) is located at the inside of the end cap (10), and the positioning pin (9) is fixedly connected with the locking key (11), the positioning plate
(8) two location holes (8-1) that the positioning pin (9) can be enabled to be inserted into are equipped with, the elastomeric element is sleeved on the positioning pin
(9) on and the end cap (10) inner wall is abutted against.
4. longitudinal folding front fork according to claim 3, it is characterised in that：The positioning plate (8) is equipped with arc groove (8-
2), the both ends of the arc groove (8-2) are respectively equipped with the location hole (8-1), and the end of the positioning pin (9) is located at described
In arc groove (8-2).
5. according to longitudinal folding front fork as claimed in claim 2, it is characterised in that：The locking positioning mechanism include positioning plate (8),
Positioning pin (9) and elastomeric element, the positioning plate (8) are fixed on the side of the hinge Lower shaft sleeve (6), the hinge Upper shaft sleeve
(7) end cap (10) are equipped with, the positioning pin (9) is inserted on the end cap (10) and the apical position of positioning pin (9) and institute
It states positioning plate (8) to correspond to, the positioning plate (8) is equipped with two location holes (8-1) that the positioning pin (9) can be enabled to be inserted into, institute
Elastomeric element is stated to be sleeved on the positioning pin (9) and abut against the end cap (10) inner wall.
6. longitudinal folding front fork according to claim 2, it is characterised in that：The locking positioning mechanism includes ratchet, spine
Pawl, pawl axis and spring, the ratchet are fixed on the hinge Lower shaft sleeve (6), and the hinge Upper shaft sleeve (7) is equipped with end cap
(10), the pawl is hinged on the inside of the end cap (10) by pawl axis and position is corresponding with the ratchet, the spring suit
On the pawl axis, the end of the pawl axis is equipped with knob, and the knob is located at the outside of the end cap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483158.2U CN208119344U (en) | 2018-04-04 | 2018-04-04 | A kind of longitudinal folding front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483158.2U CN208119344U (en) | 2018-04-04 | 2018-04-04 | A kind of longitudinal folding front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208119344U true CN208119344U (en) | 2018-11-20 |
Family
ID=64194704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820483158.2U Active CN208119344U (en) | 2018-04-04 | 2018-04-04 | A kind of longitudinal folding front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208119344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450922A (en) * | 2019-08-12 | 2019-11-15 | 中国石油大学(华东) | A kind of hull support device and moulding bed |
-
2018
- 2018-04-04 CN CN201820483158.2U patent/CN208119344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450922A (en) * | 2019-08-12 | 2019-11-15 | 中国石油大学(华东) | A kind of hull support device and moulding bed |
| CN110450922B (en) * | 2019-08-12 | 2022-04-05 | 中国石油大学(华东) | Hull strutting arrangement and bed-jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190709 Address after: 510802 East Commercial Street, 106 National Road, Guangtangcun, Xinya Street, Huadu District, Guangzhou City, Guangdong Province, 105 Patentee after: Guangzhou City St. alarm electric vehicle Co. Address before: 300240 Tianjin Hebei Jianchang Road Sanhe Hot Spring Gardener and Garden 3-14-401 Patentee before: Yi Shengwei |
|
| TR01 | Transfer of patent right |