CN210364223U - Front fork device with rotary positioning - Google Patents
Front fork device with rotary positioning Download PDFInfo
- Publication number
- CN210364223U CN210364223U CN201920941018.XU CN201920941018U CN210364223U CN 210364223 U CN210364223 U CN 210364223U CN 201920941018 U CN201920941018 U CN 201920941018U CN 210364223 U CN210364223 U CN 210364223U
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- China
- Prior art keywords
- pull rod
- clamping piece
- front fork
- piece
- fork device
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- Expired - Fee Related
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- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model belongs to the technical field of the front fork device and specifically relates to a front fork device with rotational positioning, the upper portion of this front fork device has the car handrail, and the car handrail passes through the sub-unit connection of telescopic pull rod structure and front fork device, and telescopic pull rod structure includes pull-up rod and lower link, and the car handrail is fixed on last pull rod, and the lower part of front fork device is connected to the lower link, in the pull-up rod penetrated the lower link telescopically rotatoryly, the upper end of lower link had the fluting, and the hoop has the clamp structure on the fluting position, locked the telescopic position of lower link and last pull rod, last pull rod and lower link between have rotatory locking structure, the utility model discloses the height and the rotation of accomplishing the car handrail that can be high-efficient quick are adjusted.
Description
Technical Field
The utility model relates to a front fork device, especially a front fork device with rotational positioning.
Background
Most of the existing front fork devices are only quick to detach at the telescopic positions of the lower pull rod and the upper pull rod, the lower pull rod and the upper pull rod are locked, the upper and lower movement and the left and right movement of the lower pull rod and the upper pull rod are avoided, the position of the bicycle handle needs to be adjusted when the bicycle handle is pulled out and put down, the riding requirement can be met, the bicycle rider feels uncomfortable due to overhigh position and overlow position, when the bicycle handle is adjusted in a left-right rotating mode, the rotating angle is completely determined by the visual measurement of the bicycle rider, the existing front fork devices are simple, time and labor are wasted, and the precision is extremely low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the existing front fork device wastes time and energy and has extremely low precision when the upper position and the lower position or the rotating angle of a vehicle armrest are adjusted, the front fork device with the rotary positioning function is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a front fork device with rotational positioning, includes the car handrail, the car handrail passes through the sub-unit connection of telescopic pull rod structure and front fork device, and telescopic pull rod structure includes pull rod and lower link, and the car handrail is fixed on last pull rod, and the lower part of front fork device is connected to the lower link, in the pull rod penetrates the lower link telescopically with rotating, the upper end of lower link has the fluting, and the hoop has the clamp structure on the fluting position, locks the flexible position of lower link and last pull rod, last pull rod and lower link between have the rotation locking structure.
Further, the rotation locking structure include the fastener, fastener down, a spring, spring locating part and last fender piece, go up the fastener, fastener down, spring and spring locating part from top to bottom cover the lower extreme at last pull rod, wherein go up the fastener, spring locating part and last pull rod fixed connection, go up fastener and the cooperation of fastener down can not rotating, go up the fastener and have the protruding head and the recess of mating and meshing on the adjacent terminal surface of fastener down, be used for carrying out the rotation locking to last pull rod when being in the state of riding after 90 degrees rotations of car handrail, the spring action is on fastener down, promote fastener compress tightly fastener down, go up the fender cover on last fastener, and the outline of fastener is greater than the hole of fender piece down, the pole hole upper segment of fastener has the limit structure who blocks that last fender piece deviate from down.
Furthermore, two groups of matched and meshed raised heads and grooves are arranged on the adjacent end surfaces of the upper clamping piece and the lower clamping piece and are respectively used for rotationally locking the upper pull rod when the rotary vehicle armrest is in a riding state and rotationally locking the upper pull rod when the rotary vehicle armrest is in a non-riding state.
Furthermore, the appearance of the lower pull rod is a special-shaped pipe body with an arc transition surface, and the appearance of the lower clamping piece is consistent with the shape of an inner hole of the lower pull rod, so that the lower clamping piece and the lower pull rod are in non-rotatable fit.
The beneficial effects of the utility model are that, the utility model discloses a front fork device with rotational positioning installs spring and unsmooth complex in the lower link and goes up fastener and lower fastener, and the public female cooperation of upper and lower fastener realizes the rotational positioning of car handrail, can high-efficient quick completion car handrail highly adjust with rotating.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the present invention during pulling out.
Fig. 3 is a cross-sectional view of the armrest in a horizontal position.
Fig. 4 is a cross-sectional view of the vehicle armrest in a vertical position.
Fig. 5 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. the vehicle handle structure comprises an upper pull rod, 2. an upper clamping piece, 3. a lower pull rod, 4. an upper blocking piece, 5. a lower clamping piece, 6. a spring, 7. a spring limiting plate, 8. a vehicle handle, 9. a limiting structure and 10. a hoop structure.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 to 5 show a front fork device with rotational positioning, including a vehicle handle 8, the vehicle handle 8 is connected with the lower part of the front fork device through a telescopic pull rod structure, the telescopic pull rod structure includes an upper pull rod 1 and a lower pull rod 3, the vehicle handle 8 is fixed on the upper pull rod 1, the lower pull rod 3 is connected with the lower part of the front fork device, the lower part structure of the front fork device is the same as the existing front fork device, not shown in the figure, the upper pull rod 1 can be telescopically and rotatably penetrated into the lower pull rod 3, the upper end of the lower pull rod 3 is provided with a slot, a hoop structure 10 is hooped on the slot part, and the telescopic positions of the lower pull rod 3 and the upper pull rod 1 are locked. The clamp structure 10 is a clamp structure having a quick release structure. The height of the vehicle armrest 8 can be adjusted by the telescopic pull rod structure only by loosening the clamp structure 10.
A rotation locking structure is arranged between the upper pull rod 1 and the lower pull rod 3, the rotation locking structure comprises an upper clamping piece 2, a lower clamping piece 5, a spring 6, a spring limiting piece 7 and an upper clamping piece 4, the upper clamping piece 2, the lower clamping piece 5, the spring 6 and the spring limiting piece 7 are sleeved at the lower end of the upper pull rod 1 from top to bottom, wherein the upper clamping piece 2 and the spring limiting piece 7 are fixedly connected with the upper pull rod 1, the lower clamping piece 5 is non-rotatably matched with the lower pull rod 3, the adjacent end surfaces of the upper clamping piece 2 and the lower clamping piece 5 are provided with a convex head and a groove which are engaged in a matching way, used for rotationally locking the upper pull rod 1 after the vehicle handrail 8 rotates 90 degrees, the spring 6 acts on the lower clamping piece 5 to push the lower clamping piece 5 to press the upper clamping piece 2, the upper blocking piece 4 is sleeved on the upper clamping piece 2, the outer contour of the lower clamping piece 5 is larger than the inner hole of the upper stopper 4, and the upper end of the rod hole of the lower pull rod 3 is provided with a limit structure 9 for stopping the upper stopper 4.
More specifically, the spring limit plate 7 is fixed at the lower part of the upper pull rod 1 through a screw, the upper clamping piece 2 is fixed at about 1/2 of the upper pull rod 1 through a rivet, the upper stop piece 4 is a circular ring, and the limit structure 9 is a spigot capable of blocking the upper stop piece 4 from coming off.
In the figure 5, the lower pull rod 3 is a special-shaped pipe body with an arc transition surface, and the shape of the lower clamping piece 5 is consistent with that of an inner hole of the lower pull rod 3, so that the two parts are in non-rotatable fit.
This front fork device can be applied to the equipment of riding that has rotatory folding demand, like the electronic travelling basket of can riding of rotatable folding, the electric motor car, these rotatable folding equipment of riding include the front fork device, front fork swing arm and rear portion automobile body, the front fork device is installed on the front fork swing arm, the rotatable folding connection of front fork swing arm and rear portion automobile body, the front fork device passes through the rotatory 180 degrees sides to the rear portion automobile body of folding of front fork swing arm, if the car handrail 8 of front fork device can not rotate simultaneously, will be the vertical relation with the rear portion automobile body, be unfavorable for reducing the volume of the equipment of riding after folding.
The operation process of the front fork device with the rotary positioning comprises the following steps: when the front fork device is rotated and folded by 180 degrees to the side surface of a rear vehicle body through a front fork swing arm, in order to avoid that a transverse vehicle handle 8 is vertical to the vehicle body or a box body in a riding state, a hoop structure 10 needs to be loosened firstly, then an upper pull rod 1 is lifted and pulled through the vehicle handle 8 to ascend, because an upper clamping piece 2 and the upper pull rod 1 are fixedly connected, and the outer diameter of the upper clamping piece 2 is smaller than the inner diameter of an upper blocking piece 4, the upper clamping piece 2 moves upwards along with the upper pull rod 1 and gradually enters the inner hole of the upper blocking piece 4 until the upper clamping piece is completely submerged in the upper blocking piece 4, when the lower plane of the upper blocking piece 4 is lower than the lower plane of the upper clamping piece 2, because the outer diameter of a lower clamping piece 5 is larger than the inner diameter of the upper blocking piece 4, and the outer diameter of the upper clamping piece 2 is smaller than the inner diameter of the upper blocking piece 4, the lower clamping piece 5 is blocked by the upper blocking piece 4 at, the upper clamping piece 2, the upper pull rod and the vehicle handrail can rotate freely, the vehicle handrail is rotated to be parallel to a rear vehicle body or a rear box body, and finally the hoop structure 10 is locked.
When the front fork device is opened to the driving direction through 180 degrees of front fork swing arm rotation, need loosen clamp structure 10 earlier, then through rotating car handrail 8, when car handrail was crossed 90 degrees, lower fastener 5 rose under the promotion of spring 6, the protruding head and the recess meshing of messenger's upper fastener 2 and lower fastener 5, rotate the locking to upper pull rod 1, stretch out and draw back in lower pull rod 3 through upper pull rod 1, adjust car handrail 8 to suitable height, lock clamp structure 10 at last.
It is of course not excluded that in this embodiment the lower jaw 5 has two sets of mating engaging projections and recesses on the adjacent end surfaces of the upper jaw 2 for rotational locking of the upper rod 1 when the swing armrest is in the riding position and for rotational locking of the upper rod 2 when the swing armrest 8 is in the non-riding position, i.e. the folded position.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a front fork device with rotational positioning, characterized by, including the car handrail, the car handrail passes through the sub-unit connection of telescopic pull rod structure and front fork device, and telescopic pull rod structure includes pull rod and lower link, and the car handrail is fixed on last pull rod, and the lower part of front fork device is connected to the lower link, and in the pull rod penetrated the lower link telescopically with rotating, the upper end of lower link had the fluting, and the hoop has the clamp structure on the fluting position, the flexible position of locking lower link and last pull rod, last pull rod and lower link between have rotatory locking structure.
2. The front fork assembly with rotational positioning of claim 1, wherein: the rotary locking structure comprises an upper clamping piece, a lower clamping piece, a spring limiting piece and an upper blocking piece, the upper clamping piece, the lower clamping piece, the spring and the spring limiting piece are sleeved at the lower end of an upper pull rod from top to bottom, the upper clamping piece, the spring limiting piece and the upper pull rod are fixedly connected, the upper clamping piece and the lower clamping piece can not be in rotary fit, a protruding head and a groove which are meshed in a matched mode are formed in the adjacent end faces of the upper clamping piece and the lower clamping piece, the upper clamping piece is used for rotationally locking the upper pull rod when the bicycle handle is in a riding state after being rotated by 90 degrees, the spring acts on the lower clamping piece, the upper clamping piece is pressed by the lower clamping piece in a pushing mode, the upper blocking piece is sleeved on the upper clamping piece, the outer contour of the lower clamping.
3. The front fork assembly with rotational positioning of claim 2, wherein: the adjacent end surfaces of the upper clamping piece and the lower clamping piece are provided with two groups of matched and meshed raised heads and grooves which are respectively used for rotationally locking the upper pull rod when the handle of the rotary bicycle is in a riding state and rotationally locking the upper pull rod when the handle of the rotary bicycle is in a non-riding state.
4. The front fork assembly with rotational positioning of claim 1, wherein: the appearance of lower pull rod for the special-shaped body that has the circular arc transition face, the appearance of lower fastener is unanimous with the hole shape of pull rod down, realizes the nonrotatable cooperation of both.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941018.XU CN210364223U (en) | 2019-06-20 | 2019-06-20 | Front fork device with rotary positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941018.XU CN210364223U (en) | 2019-06-20 | 2019-06-20 | Front fork device with rotary positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210364223U true CN210364223U (en) | 2020-04-21 |
Family
ID=70266136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941018.XU Expired - Fee Related CN210364223U (en) | 2019-06-20 | 2019-06-20 | Front fork device with rotary positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210364223U (en) |
-
2019
- 2019-06-20 CN CN201920941018.XU patent/CN210364223U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200421 |