CN210707774U - Steering mechanism - Google Patents
Steering mechanism Download PDFInfo
- Publication number
- CN210707774U CN210707774U CN201921920849.5U CN201921920849U CN210707774U CN 210707774 U CN210707774 U CN 210707774U CN 201921920849 U CN201921920849 U CN 201921920849U CN 210707774 U CN210707774 U CN 210707774U
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- front fork
- linkage
- piece
- friction surface
- steering
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model discloses a steering mechanism, include: the bicycle comprises a frame, a steering rod, a front fork, a linkage piece and a locking mechanism, wherein the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable manner, the linkage piece is movably arranged on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted against the friction surfaces on the frame or the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, so that the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces on the frame or the front fork or the steering rod are loosened, and the riding safety performance is greatly improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a bicycle field especially relates to a steering mechanism.
[ background of the invention ]
The bicycle generally comprises a frame, a steering mechanism, a treading mechanism, a front fork, a rear fork, a front wheel and a rear wheel, wherein the bicycle in the prior art comprises a front-wheel bicycle and a rear-wheel bicycle, the front-wheel bicycle directly drives the front wheel by the treading mechanism, the rear wheel rotates by the treading mechanism, the rear-wheel bicycle directly drives the rear wheel by the treading mechanism, and the front wheel rotates by the rear-wheel bicycle, as is well known, the steering mechanism of the bicycle is generally arranged above the front fork, if the bicycle is the rear-wheel bicycle, the steering mechanism is arranged in front, the treading mechanism is behind, so the rear treading mechanism only causes small interference to the front steering mechanism when treading, if the front-wheel bicycle is arranged in front of the bicycle, the treading mechanism has a force to act on the steering mechanism when treading, the steering mechanism shakes left and right, and the steering mechanism is originally arranged to play a steering role when needing to steer, still need steering mechanism not receive the interference of trampling the mechanism when the vehicle normally rides to avoid steering mechanism to rock about the vehicle normally rides, bring the potential safety hazard for riding.
Therefore, it is necessary to provide a steering mechanism that solves the above technical problems.
[ Utility model ] content
In order to solve the technical problem, an object of the present invention is to provide a steering mechanism with simple structure and easy installation.
The utility model discloses the technical scheme who adopts does: a steering mechanism comprising: the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable mode, the linkage piece is movably mounted on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted to the friction surfaces of the frame, the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces of the frame, the front fork or the steering rod are loosened.
Preferably, a steering mechanism in the present invention is further configured to: the front fork comprises a front fork main body part and a front fork vertical shaft fixedly connected with the front fork main body part, and the frame comprises a frame main body part and a mounting seat fixedly connected with the frame main body part.
Preferably, a steering mechanism in the present invention is further configured to: the front fork vertical shaft is installed in the installation seat, the installation seat is provided with a boss protruding outwards in the radial direction, an accommodating cavity for accommodating the linkage part is formed in the boss, the friction surface of the frame is arranged on the cavity wall of the accommodating cavity of the boss, a hole matched with the linkage part is formed in the front fork vertical shaft, the linkage part is movably installed in the hole, and the friction surface of the linkage part is arranged on the outer side surface of the linkage part or on the upper surface and the lower surface of the linkage part.
Preferably, a steering mechanism in the present invention is further configured to: the friction surface on the linkage piece comprises a first friction surface arranged on the upper surface of the linkage piece and a second friction surface arranged on the lower surface of the linkage piece, the friction surface on the cavity wall of the accommodating cavity of the boss comprises a third friction surface and a fourth friction surface, the first friction surface is matched with the third friction surface to form a first group of matching surfaces, the second friction surface is matched with the fourth friction surface to form a second group of matching surfaces, and at least one group of matching surfaces are matched with each other through conical surfaces in the first group of matching surfaces and the second group of matching surfaces.
Preferably, a steering mechanism in the present invention is further configured to: the front fork vertical shaft is provided with a connecting piece, the linkage piece is arranged on the outer side of the mounting seat, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the frame is arranged on the outer side wall of the mounting seat, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.
Preferably, a steering mechanism in the present invention is further configured to: the connecting piece is arranged on the mounting seat, the linkage piece is arranged on the outer side of the front fork vertical shaft, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the front fork is arranged on the outer side wall of the front fork vertical shaft, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.
Preferably, a steering mechanism in the present invention is further configured to: the locking mechanism comprises a locking head, a spring, an unlocking piece and a spring stopper, wherein the locking head, the spring, the unlocking piece and the spring stopper are matched with the linkage piece, the unlocking piece is a pull rod or a pull rope, one end of the locking head is fixedly connected with the unlocking piece, the other end of the locking head is matched with the linkage piece, one end of the spring is abutted against the locking head, and the other end of the spring is abutted against the spring stopper.
Preferably, a steering mechanism in the present invention is further configured to: locking mechanism includes the pressure spring and releases the lock, the quantity of linkage is two, the one end and one of them linkage looks butt of pressure spring, the other end and another linkage looks butt of pressure spring, it includes to release the lock: the wire drawing device comprises a wire drawing, a flexible sleeve sleeved on the wire drawing and metal pieces arranged at two ends of the flexible sleeve.
Preferably, a steering mechanism in the present invention is further configured to: the locking mechanism comprises a spring, an unlocking piece and a spring stopper, the number of the linkage pieces is one, the unlocking piece is a pull rod or a pull rope, one end of the spring is abutted against the linkage piece, and the other end of the spring is abutted against the spring stopper.
Preferably, a steering mechanism in the present invention is further configured to: and a steering handle is arranged on the steering rod.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a series of structural design make steering mechanism realize: when the front wheel does not need to turn, the front fork, the steering rod and the frame are fixedly held, and when the front wheel needs to turn, the front fork, the steering rod and the frame are loosened, so that the interference of a treading mechanism of a vehicle on the steering mechanism during normal running can be avoided, and the riding safety performance is greatly improved.
[ description of the drawings ]
Fig. 1 is a schematic perspective view of a steering mechanism according to embodiment 1 of the present invention.
Fig. 2 is an exploded schematic view of a steering mechanism according to embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional structure view of a steering mechanism in embodiment 1 of the present invention.
Fig. 4 is a schematic cross-sectional view of a steering mechanism in embodiment 2 of the present invention.
Fig. 5 is a schematic view of an installation structure of the locking mechanism and the linkage member in embodiment 2 of the present invention.
Fig. 6 is a schematic view of an installation structure of the locking mechanism and the linkage member in embodiment 3 of the present invention.
In fig. 1 to 3: 1. the bicycle frame comprises a bicycle frame body 10, a bicycle frame body part 11, a mounting seat 110, a boss 111, a containing cavity 1110, a third friction surface 1111, a fourth friction surface 2, a steering rod 20, a bicycle handle 3, a front fork 30, a front fork body part 31, a front fork vertical shaft 310, a hole 4, a linkage part 40, a first friction surface 41, a second friction surface 5, a locking mechanism 50, a locking head 51, a spring 52, an unlocking part 53, a spring stopper 6 and a bearing.
In fig. 4 to 5: 1. the automobile steering wheel comprises a frame, 11, a mounting seat, 110, a second friction surface, 2, a steering rod, 3, a front fork, 31, a front fork vertical shaft, 4, a linkage piece, 40, a first friction surface, 5, a locking mechanism, 50, a pressure spring, 51, an unlocking piece, 510, a wire drawing, 511, a soft sleeve, 512, a metal piece, 6, a bearing, 7 and an L-shaped connecting piece.
In fig. 6: 1. frame, 11, mount pad, 110, second friction surface, 2, steering column, 3, front fork, 4, linkage, 40, first friction surface, 5, locking mechanism, 50, spring, 51, unblock spare, 52, spring catch, 7, L type connecting piece.
[ detailed description ] embodiments
A steering mechanism according to the present invention will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1 to 3, a steering mechanism includes: the bicycle comprises a bicycle frame 1, a steering rod 2, a front fork 3, two linkage parts 4 and a locking mechanism 5, wherein the front fork 3 is fixedly connected with the steering rod 2, and the front fork 3 and the bicycle frame 1 are connected in a relatively rotatable manner.
The frame 1 includes a frame main body 10 and a mounting seat 11 fixedly connected to the frame main body 10, the front fork 3 includes a front fork main body 30 and a front fork vertical shaft 31 fixedly connected to the front fork main body 30, a handlebar 20 is provided above the steering rod 2, the steering rod 2 and the front fork vertical shaft 31 are mounted in the mounting seat 11 of the frame 1, a bearing 6 is provided between the front fork vertical shaft 31 and the mounting seat 11, the front fork vertical shaft 31 is relatively rotatable with respect to the mounting seat 11, in the present embodiment, the lower portion of the steering rod 2 is sleeved above the front fork vertical shaft 31, that is, the steering rod 2 is radially outward and the front fork vertical shaft 31 is inward, the front fork vertical shaft 31 is a hollow tube shaft, the front fork vertical shaft 31 and the steering rod 2 are fixedly connected by a bolt or a pin, of course, in other embodiments, the steering rod 2 may be radially inward, the front fork vertical shaft 31 is arranged outside, and the utility model discloses can realize equally.
The linkage member 4 is movably mounted on the front fork vertical shaft 31 or the steering rod 2, a hole 310 matched with the linkage member 4 is arranged on the front fork vertical shaft 31, a boss 110 is arranged on the mounting seat 11 of the frame 1 in a protruding manner outwards along the radial direction, an accommodating cavity 111 for accommodating the linkage member 4 is arranged in the boss 110, a first friction surface 40 is arranged on the upper surface of the linkage member 4, a second friction surface 41 is arranged on the lower surface of the linkage member 4, a third friction surface 1110 matched with the first friction surface 40 and a fourth friction surface 1111 matched with the second friction surface 41 are arranged on the cavity wall of the accommodating cavity 111 of the boss 110 of the frame 1, the first friction surface 40 is matched with the third friction surface 1110 to form a first group of matching surfaces, the second friction surface 41 is matched with the fourth friction surface to form a second group of matching surfaces 1111, and the first group of matching surfaces and the second group of matching surfaces, at least one group of matching surfaces is matched by conical surfaces, and in the embodiment, the two groups of matching surfaces are matched by conical surfaces. Of course, in other embodiments, the friction surfaces of the linkage member 4 may be disposed on the outer side of the linkage member 4 instead of on the upper and lower surfaces of the linkage member 4, and the present invention may be implemented as well.
The locking mechanism 5 is arranged in the steering rod 2, the locking mechanism 5 comprises a locking head 50, a spring 51, an unlocking piece 52 and a spring stopper 53 which are matched with the linkage piece 4, the spring stopper 53 is a fixed piece, the unlocking piece 52 is a pull rod or a pull rope, one end of the locking head 50 is fixedly connected with the unlocking piece 52, the other end of the locking head 50 is matched with the linkage piece 4, one end of the spring 51 is abutted against the locking head 50, and the other end of the spring 51 is abutted against the spring stopper 53.
The working principle of the steering mechanism in the embodiment is as follows: when the steering rod 2 is not rotated, the locking head 50 is abutted against the linkage 4 under the action of the elastic force of the spring 51, so that the first friction surface 40 of the linkage 4 is abutted against the third friction surface 1110 of the frame 1, the second friction surface 41 of the linkage 4 is abutted against the fourth friction surface 1111 of the frame 1, namely the front fork 3 and the steering rod 2 are fixedly held with the frame 1, a certain friction force is generated between the linkage 4 and the frame 1, so that the steering rod 2, the front fork 3 and the frame 1 are always kept in a fixed and non-rotating state, therefore, the steering rod 2 and the front fork 3 are not rotated due to the interference of a treading mechanism, so that the safety of the vehicle during normal running is ensured, when the steering is required, the locking head 50 is lifted through operating a pull rod or a pull rope, so that the first friction surface 40 of the linkage 4 is loosened from the third friction surface 1110 of the frame 1, and the second friction surface 41 of the linkage 4 is loosened from the fourth friction surface 1111 of the frame 1, that is, the front fork 3 and the steering rod 2 are released from the frame 1, and then the handlebar 20 above the steering rod 2 is operated, so that the front fork 3 and the steering rod 2 complete the steering operation.
Example 2
Referring to fig. 4 and 5, a steering mechanism includes: the front fork 3 comprises a frame 1, a steering rod 2, a front fork 3, two linkage parts 4 and a locking mechanism 5, wherein a handlebar (not shown) is arranged above the steering rod 2, the front fork 3 comprises a front fork main body part (not shown) and a front fork vertical shaft 31 fixedly connected with the front fork main body part, and the mounting seat 11, the steering rod 2 and the front fork vertical shaft 31 of the frame 1 are coaxially mounted during mounting. Front fork vertical axis 31 sets up in mount pad 11, be equipped with bearing 6 between front fork vertical axis 31 and the mount pad 11, front fork vertical axis 31 can do relative rotation for mount pad 11, in this embodiment, fixed connection is just realized through bolt or round pin in the top of front fork vertical axis 31 and is located to the below cover of steering column 2, and is radially outside steering column 2 promptly, including front fork vertical axis 31, in other embodiments of course, in footpath steering column 2 also can set up including, and front fork vertical axis 31 sets up outside, can realize equally.
In this embodiment, the front fork vertical shaft 31 is provided with an L-shaped connecting member 7 protruding outward, the linking member 4 is in an arc shape, the linking member 4 is disposed on the outer side of the mounting seat 11, one end of each of the two linking members 4 is respectively sleeved on the L-shaped connecting member 7 and can rotate relative to the L-shaped connecting member 7, the other end of each of the two linking members 4 is connected through the locking mechanism 5, the inner side wall of each of the two linking members 4 is provided with a first friction surface 40, and the outer side wall of the mounting seat 11 is provided with a second friction surface 110 matched with the first friction surface 40. Of course, in other embodiments, the L-shaped connecting member 7 is disposed on the mounting seat 11 of the frame 1, the linkage member 4 is movably mounted on the L-shaped connecting member 7, and the linkage member 4 is disposed on the outer side of the front fork vertical shaft 31, the inner side wall of the linkage member 4 is provided with the first friction surface 40, the outer side wall of the front fork vertical shaft 31 is provided with the second friction surface 110 matched with the first friction surface 40, and the present invention can be implemented similarly. The locking mechanism 5 includes: pressure spring 50 and unblock piece 51, unblock piece 51 includes: the drawing wire 510 penetrates through the two linkage pieces 4 and is fixedly connected with one of the linkage pieces 4, the pressure spring 50 is sleeved on a drawing wire section between the two linkage pieces 4, one end of the pressure spring 50 is abutted against one of the linkage pieces 4, the other end of the pressure spring 50 is abutted against the other linkage piece 4, and the flexible sleeve 511 and the metal piece 512 are arranged on the drawing wire section outside the two linkage pieces 4.
The working principle of the steering mechanism in the embodiment is as follows: when the steering rod 2 does not rotate, the first friction surface 40 of the linkage 4 is abutted against the second friction surface 110 of the mounting seat 11 under the action of the elastic force of the pressure spring 50, that is, the steering rod 2 and the front fork 3 are always kept in a fixed and non-rotating state with the frame 1, so that the steering rod 2 and the front fork 3 do not rotate due to the interference of a stepping mechanism, and the safety of a vehicle in normal running is ensured.
Example 3
Referring to fig. 6, the rest of the structure in this embodiment is the same as that in embodiment 2, except that: the number of the link members 4 and the structure of the locking mechanism 5, the number of the link members 4 being one in the present embodiment, the locking mechanism 5 includes: the spring locking device comprises a spring 50, an unlocking piece 51 and a spring stopper 52, wherein the unlocking piece 51 is a pull rod or a pull rope, one end of the spring 50 is abutted against the linkage piece 4, the other end of the spring 50 is abutted against the spring stopper 52, and the spring stopper 52 is a fixed piece.
The working principle of the locking mechanism 5 in this embodiment is as follows: when steering is required, the link 4 is rotated outward around the L-shaped link 7 as a rotation center while the spring 50 is compressed by pulling the pull rod or the pull rope, so that the first friction surface 40 of the link 4 is released from the second friction surface 110 on the outer side wall of the mounting seat 11 of the frame 1, and a handlebar (not shown) above the steering rod 2 is operated to rotate the steering rod 2 and the front fork 3.
To sum up, the utility model discloses a series of structural design make steering mechanism realize: when the front wheel does not need to turn, the front fork, the steering rod and the frame are fixedly held, and when the front wheel needs to turn, the front fork, the steering rod and the frame are loosened, so that the interference of a treading mechanism of a vehicle on the steering mechanism during normal running can be avoided, and the riding safety performance is greatly improved.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A steering mechanism characterized by: the method comprises the following steps: the front fork is fixedly connected with the steering rod, the front fork is connected with the frame in a relatively rotatable mode, the linkage piece is movably mounted on the front fork or the steering rod or the frame, one of the frame, the front fork and the steering rod and the linkage piece are provided with friction surfaces matched with each other, when the steering rod does not rotate, the friction surfaces of the linkage piece are abutted to the friction surfaces of the frame, the front fork or the steering rod under the action of the locking mechanism, when the steering rod needs to rotate, the locking mechanism is shifted, the steering rod drives the front fork to rotate when the friction surfaces of the linkage piece and the friction surfaces of the frame, the front fork or the steering rod are loosened.
2. A steering mechanism according to claim 1, wherein: the front fork comprises a front fork main body part and a front fork vertical shaft fixedly connected with the front fork main body part, and the frame comprises a frame main body part and a mounting seat fixedly connected with the frame main body part.
3. A steering mechanism according to claim 2, wherein: the front fork vertical shaft is installed in the installation seat, the installation seat is provided with a boss protruding outwards in the radial direction, an accommodating cavity for accommodating the linkage part is formed in the boss, the friction surface of the frame is arranged on the cavity wall of the accommodating cavity of the boss, a hole matched with the linkage part is formed in the front fork vertical shaft, the linkage part is movably installed in the hole, and the friction surface of the linkage part is arranged on the outer side surface of the linkage part or on the upper surface and the lower surface of the linkage part.
4. A steering mechanism according to claim 3, wherein: the friction surface on the linkage piece comprises a first friction surface arranged on the upper surface of the linkage piece and a second friction surface arranged on the lower surface of the linkage piece, the friction surface on the cavity wall of the accommodating cavity of the boss comprises a third friction surface and a fourth friction surface, the first friction surface is matched with the third friction surface to form a first group of matching surfaces, the second friction surface is matched with the fourth friction surface to form a second group of matching surfaces, and at least one group of matching surfaces are matched with each other through conical surfaces in the first group of matching surfaces and the second group of matching surfaces.
5. A steering mechanism according to claim 2, wherein: the front fork vertical shaft is provided with a connecting piece, the linkage piece is arranged on the outer side of the mounting seat, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the frame is arranged on the outer side wall of the mounting seat, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.
6. A steering mechanism according to claim 2, wherein: the connecting piece is arranged on the mounting seat, the linkage piece is arranged on the outer side of the front fork vertical shaft, the friction surface of the linkage piece is arranged on the inner side wall of the linkage piece, the friction surface on the front fork is arranged on the outer side wall of the front fork vertical shaft, one end of the linkage piece is movably connected with the connecting piece, and the other end of the linkage piece is connected with the locking mechanism.
7. A steering mechanism according to claim 3, wherein: the locking mechanism comprises a locking head, a spring, an unlocking piece and a spring stopper, wherein the locking head, the spring, the unlocking piece and the spring stopper are matched with the linkage piece, the unlocking piece is a pull rod or a pull rope, one end of the locking head is fixedly connected with the unlocking piece, the other end of the locking head is matched with the linkage piece, one end of the spring is abutted against the locking head, and the other end of the spring is abutted against the spring stopper.
8. A steering mechanism according to claim 5 or 6, wherein: locking mechanism includes the pressure spring and releases the lock, the quantity of linkage is two, the one end and one of them linkage looks butt of pressure spring, the other end and another linkage looks butt of pressure spring, it includes to release the lock: the wire drawing device comprises a wire drawing, a flexible sleeve sleeved on the wire drawing and metal pieces arranged at two ends of the flexible sleeve.
9. A steering mechanism according to claim 5 or 6, wherein: the locking mechanism comprises a spring, an unlocking piece and a spring stopper, the number of the linkage pieces is one, the unlocking piece is a pull rod or a pull rope, one end of the spring is abutted against the linkage piece, and the other end of the spring is abutted against the spring stopper.
10. A steering mechanism according to claim 1, wherein: and a steering handle is arranged on the steering rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920849.5U CN210707774U (en) | 2019-11-08 | 2019-11-08 | Steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920849.5U CN210707774U (en) | 2019-11-08 | 2019-11-08 | Steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707774U true CN210707774U (en) | 2020-06-09 |
Family
ID=70959575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920849.5U Withdrawn - After Issue CN210707774U (en) | 2019-11-08 | 2019-11-08 | Steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696956A (en) * | 2019-11-08 | 2020-01-17 | 张家港川梭车业有限公司 | Steering mechanism |
-
2019
- 2019-11-08 CN CN201921920849.5U patent/CN210707774U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696956A (en) * | 2019-11-08 | 2020-01-17 | 张家港川梭车业有限公司 | Steering mechanism |
| CN110696956B (en) * | 2019-11-08 | 2024-09-13 | 张家港川梭车业有限公司 | Steering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200609 Effective date of abandoning: 20240913 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200609 Effective date of abandoning: 20240913 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |