CN218506060U

CN218506060U - Novel crank

Info

Publication number: CN218506060U
Application number: CN202221818942.7U
Authority: CN
Inventors: 姜立亨
Original assignee: Tianjin Lunfeng Sports Technology Co ltd
Current assignee: Tianjin Lunfeng Sports Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-02-21
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to a crank technical field indicates a novel crank especially, including the axis, centraxonial outer wall fixedly connected with fluted disc, the equal fixedly connected with stopper in centraxonial both ends, one side fixedly connected with installation mechanism of stopper, installation mechanism's outer wall swing joint has crank mechanism. This novel crank, when installation crank mechanism, overlap the outer wall at installation mechanism with the connecting block, press down the block board simultaneously and make the block board get into the inside of movable plate, extrude reset spring simultaneously, when the block board is close to one side of spacing mouthful, reset through the block board and drive the block board and reset, it drives the rotation threaded rod and rotates to rotate the threaded rod, thereby drive the movable plate and remove, make the block board get into the inside of spacing mouthful, thereby fix crank mechanism, convenient crank mechanism and axis stability and installation up to now, stable effect when having increased the use, thereby the possibility that crank mechanism dropped has been reduced.

Description

Novel crank

Technical Field

The utility model relates to a crank technical field indicates a novel crank especially.

Background

The crank is a part of bicycle, in the side link, a component capable of rotating 360 deg. around its axis is called crank, and the bicycle middle shaft crank device is characterized by that between the fixed crank and pedal shaft of traditional bicycle a movable crank is added, between the movable crank and fixed crank sleeve hole an adjusting fastener is used for connecting and fixing them, and the fixed crank is connected with middle shaft with journal action surface.

The existing crank is simple in most installation modes, the possibility that the crank falls off can occur when the crank is used, the existing crank structure is fixed, the length adjustment is difficult to carry out through the comfort degree of users, and the comfort of the crank in use is reduced.

Therefore, a need exists to provide a novel crank.

SUMMERY OF THE UTILITY MODEL

For solving current crank comparatively simple at most mounting means, can take place the possibility that the crank dropped when using, secondly current crank structure is comparatively fixed, is difficult to carry out length control through user of service's comfortable degree, has reduced the problem of the travelling comfort that the crank used, consequently, the utility model aims to provide a novel crank.

The utility model provides a pair of novel crank, including the axis, centraxonial outer wall fixedly connected with fluted disc, the equal fixedly connected with stopper in centraxonial both ends.

One side fixedly connected with installation mechanism of stopper, the outer wall swing joint of installation mechanism has crank mechanism.

Preferably, the inside swing joint of installation mechanism has the rotation threaded rod, the one end fixedly connected with turning block of rotation threaded rod, the outer wall swing joint of rotation threaded rod has the movable plate, the inside fixedly connected with reset spring of movable plate, reset spring's one end fixedly connected with block board.

Preferably, crank mechanism's inside fixedly connected with damping rod, crank mechanism's top swing joint has the swivel becket, the inside swing joint of swivel becket has the removal threaded rod, the bottom fixedly connected with limiting plate of removal threaded rod, the top fixedly connected with carriage release lever of removal threaded rod, the equal fixedly connected with connecting block of one end of crank mechanism and carriage release lever.

Preferably, the installation mechanism is internally provided with a moving groove for moving the moving plate, one end of the rotating threaded rod is rotatably connected with the inner wall of the moving groove through a bearing, the rotating block is arranged on the outer wall of the installation mechanism, and the moving plate is in a cross shape.

Preferably, the movable plate is provided with a thread groove matched with the outer wall of the rotating threaded rod, the movable plate is provided with a spring groove matched with the outer wall of the clamping plate, and the bottom end of the clamping plate is connected with the inner wall of the spring groove through a return spring.

Preferably, the inside of crank mechanism offer with the outer wall assorted adjustment tank of limiting plate, the bottom of swivel becket is passed through the bearing and is connected with crank mechanism's top rotation, the inside of mobile threaded rod offer with the outer wall assorted damping groove of damping rod.

Preferably, the inside of rotating ring is seted up with the outer wall assorted screw thread spout of removal threaded rod, the inside of connecting block is seted up with installation mechanism's outer wall assorted mounting groove, and one side of mounting groove set up with the outer wall assorted spacing mouth of block board.

The working principle is as follows: when installing crank mechanism, overlap the connecting block at installation mechanism's outer wall, press the snap-on board simultaneously and make the snap-on board get into the inside of movable plate, extrude reset spring simultaneously, when the snap-on board is close to one side of spacing mouthful, drive the snap-on board through the reset of snap-on board and reset, it drives the rotation threaded rod and rotates to rotate the rotation threaded rod, thereby it removes to drive the movable plate, make the snap-on board get into the inside of spacing mouthful, thereby fix crank mechanism, when the length of crank mechanism needs to be adjusted, thereby it removes to rotate the swivel becket drive removal threaded rod, damping and spacing through the damping pole, stability after the regulation length has been increased.

The utility model discloses a technological means can obtain the technological effect does:

(1) The utility model discloses a set up installation mechanism, the threaded rod rotates, the turning block, the movable plate, reset spring and block board, when installing crank mechanism, overlap the connecting block at installation mechanism's outer wall, press down the block board simultaneously and make the block board get into the inside of movable plate, extrude reset spring simultaneously, when the block board is close to one side of spacing mouthful, reset through the block board and drive the block board and reset, it drives the threaded rod and rotate to rotate the threaded rod, thereby it removes to drive the movable plate, make the block board get into spacing mouthful inside, thereby fix crank mechanism, convenient stability and installation up to now of crank mechanism and axis, stable effect when having increased the use, thereby the possibility that crank mechanism dropped has been reduced.

(2) The utility model discloses a set up crank mechanism, damping rod, rotating ring, mobile threaded rod, limiting plate, carriage release lever and connecting block, when needs adjusting crank mechanism's length, thereby it moves to rotate the rotating ring and drive mobile threaded rod, and damping and spacing through the damping rod have increased the stability behind the regulation length, have convenient regulation to crank mechanism length to stable effect when having increased the use.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a partial view of the mounting mechanism of the present invention;

FIG. 4 is a partial view of the crank mechanism of the present invention;

fig. 5 is a partial perspective view of the crank mechanism of the present invention.

In the figure: 1. a middle shaft; 2. a fluted disc; 3. a limiting block; 4. an installation mechanism; 401. rotating the threaded rod; 402. Rotating the block; 403. moving the plate; 404. a return spring; 405. a clamping plate; 5. a crank mechanism; 501. A damping lever; 502. a rotating ring; 503. moving the threaded rod; 504. a limiting plate; 505. a travel bar; 506. and (4) connecting the blocks.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Example 1

The preferred embodiment of the novel crank provided by the present invention is shown in fig. 1 to 5: including axis 1, the outer wall fixedly connected with fluted disc 2 of axis 1, the equal fixedly connected with stopper 3 in axis 1's both ends has made things convenient for the stability and the installation of crank mechanism 5 and axis 1 to date, has increased the stable effect when using to the possibility that crank mechanism 5 dropped has been reduced.

One side fixedly connected with installation mechanism 4 of stopper 3, the outer wall swing joint of installation mechanism 4 has crank mechanism 5, and through damping and spacing of damping rod 501, increased the stability after adjusting length, convenient regulation to crank mechanism 5 length to stability effect when using has been increased.

In this embodiment, a rotating threaded rod 401 is movably connected to the inside of the mounting mechanism 4, a rotating block 402 is fixedly connected to one end of the rotating threaded rod 401, a moving plate 403 is movably connected to the outer wall of the rotating threaded rod 401, a return spring 404 is fixedly connected to the inside of the moving plate 403, and a clamping plate 405 is fixedly connected to one end of the return spring 404, by arranging the mounting mechanism 4, the rotating threaded rod 401, the rotating block 402, the moving plate 403, the return spring 404, and the clamping plate 405, when the crank mechanism 5 is mounted, the connecting block 506 is sleeved on the outer wall of the mounting mechanism 4, and the clamping plate 405 is pressed to enable the clamping plate 405 to enter the inside of the moving plate 403, and simultaneously the return spring 404 is extruded, when the clamping plate 405 is close to one side of the limiting opening, the clamping plate 405 is reset by the reset of the clamping plate 405, and the rotating threaded rod 401 drives the rotating threaded rod 401 to rotate, thereby driving the moving the clamping plate 403 to enable the clamping plate 405 to enter the inside of the limiting opening, thereby fixing the crank mechanism 5, and facilitating the stabilization and mounting of the crank mechanism 5 and the mounting, thereby increasing the stabilization effect in use, and reducing the possibility of the crank mechanism 5 falling.

In this embodiment, the inside fixedly connected with damping rod 501 of crank mechanism 5, the top swing joint of crank mechanism 5 has swivel 502, the inside swing joint of swivel 502 has movable threaded rod 503, movable threaded rod 503's bottom fixedly connected with limiting plate 504, movable threaded rod 503's top fixedly connected with carriage release lever 505, the equal fixedly connected with connecting block 506 of one end of crank mechanism 5 and carriage release lever 505, through setting up crank mechanism 5, damping rod 501, swivel 502, movable threaded rod 503, limiting plate 504, carriage release lever 505 and connecting block 506, when the length of crank mechanism 5 needs to be adjusted, thereby rotate swivel 502 and drive movable threaded rod 503 and remove, damping and spacing through damping rod 501, stability after having increased the regulation length, convenient regulation to crank mechanism 5 length, thereby the stabilizing effect during the use has been increased.

In this embodiment, a moving groove for moving the moving plate 403 is formed in the mounting mechanism 4, one end of the rotating threaded rod 401 is rotatably connected with the inner wall of the moving groove through a bearing, the rotating block 402 is arranged on the outer wall of the mounting mechanism 4, and the moving plate 403 is cross-shaped, so that the crank mechanism 5 and the middle shaft 1 are conveniently and stably mounted up to now, and the stabilizing effect in use is improved.

Further, a thread groove matched with the outer wall of the rotating threaded rod 401 is formed in the moving plate 403, a spring groove matched with the outer wall of the clamping plate 405 is formed in the moving plate 403, the bottom end of the clamping plate 405 is connected with the inner wall of the spring groove through the return spring 404, the stabilizing effect in use is improved, and therefore the possibility that the crank mechanism 5 falls is reduced.

Furthermore, an adjusting groove matched with the outer wall of the limiting plate 504 is formed in the crank mechanism 5, the bottom end of the rotating ring 502 is rotatably connected with the top end of the crank mechanism 5 through a bearing, a damping groove matched with the outer wall of the damping rod 501 is formed in the movable threaded rod 503, and the stability after the length is adjusted is improved through damping and limiting of the damping rod 501.

In addition, the outside wall assorted thread chute with mobile thread pole 503 is seted up to the inside of rotating ring 502, the outside wall assorted mounting groove with installation mechanism 4 is seted up to the inside of connecting block 506, and one side of mounting groove set up with the spacing mouth of the outer wall assorted of block plate 405, has made things convenient for the regulation to 5 lengths of crank mechanism to the stable effect when using has been increased.

The utility model discloses during the operation is used, as shown in fig. 1 to 5, when installing crank mechanism 5, overlap connecting block 506 at the outer wall of installation mechanism 4, press down block board 405 simultaneously and make block board 405 get into the inside of movable plate 403, extrude reset spring 404 simultaneously, when block board 405 is close to one side of spacing mouthful, reset through block board 405 drives block board 405 and resets, it rotates to rotate threaded rod 401 and drive threaded rod 401, thereby drive movable plate 403 and remove, make block board 405 get into the inside of spacing mouthful, thereby fix crank mechanism 5, when the length of crank mechanism 5 is adjusted to needs, thereby rotate swivel ring 502 and drive movable threaded rod 503 and remove, damping and spacing through damping rod 501, stability after adjusting length has been increased.

The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the present invention is not limited to the above-mentioned overall application, and the technical features described in the specification can be selected to be adopted alone or be combined together according to actual needs, so that the present invention covers other combinations and specific applications related to the present invention.

Claims

1. The utility model provides a novel crank, includes axis (1), its characterized in that: the outer wall of the middle shaft (1) is fixedly connected with a fluted disc (2), and two ends of the middle shaft (1) are fixedly connected with limiting blocks (3);

one side fixedly connected with installation mechanism (4) of stopper (3), the outer wall swing joint of installation mechanism (4) has crank mechanism (5).

2. A novel crank as claimed in claim 1, wherein: the utility model discloses an installation mechanism, including installation mechanism (4), the inside swing joint of installation mechanism (4) has rotation threaded rod (401), the one end fixedly connected with turning block (402) of rotation threaded rod (401), the outer wall swing joint of rotation threaded rod (401) has movable plate (403), the inside fixedly connected with reset spring (404) of movable plate (403), the one end fixedly connected with block board (405) of reset spring (404).

3. A novel crank as claimed in claim 1, wherein: the inside fixedly connected with damping lever (501) of crank mechanism (5), the top swing joint of crank mechanism (5) has rotating ring (502), the inside swing joint of rotating ring (502) has movable threaded rod (503), the bottom fixedly connected with limiting plate (504) of movable threaded rod (503), the top fixedly connected with carriage release lever (505) of movable threaded rod (503), the equal fixedly connected with connecting block (506) of one end of crank mechanism (5) and carriage release lever (505).

4. A novel crank as claimed in claim 2, wherein: the movable screw rod type mounting mechanism is characterized in that a movable groove for moving the movable plate (403) is formed in the mounting mechanism (4), one end of the rotary screw rod (401) is rotatably connected with the inner wall of the movable groove through a bearing, the rotary block (402) is arranged on the outer wall of the mounting mechanism (4), and the movable plate (403) is in a cross shape.

5. The new crank of claim 4 wherein: the novel clamping device is characterized in that a thread groove matched with the outer wall of the rotating threaded rod (401) is formed in the moving plate (403), a spring groove matched with the outer wall of the clamping plate (405) is formed in the moving plate (403), and the bottom end of the clamping plate (405) is connected with the inner wall of the spring groove through a return spring (404).

6. A novel crank as claimed in claim 3, wherein: the utility model discloses a damping device, including crank mechanism (5), the outer wall assorted adjustment tank with limiting plate (504) is seted up to the inside of crank mechanism (5), the top rotation of bearing and crank mechanism (5) is connected through the bottom of swivel becket (502), the inside of removal threaded rod (503) seted up with the outer wall assorted damping groove of damping lever (501).

7. The new crank of claim 6 wherein: the inside of rotating ring (502) is seted up with the outer wall assorted screw thread spout of mobile threaded rod (503), the inside of connecting block (506) is seted up with the outer wall assorted mounting groove of installation mechanism (4), and one side of mounting groove seted up with the outer wall assorted spacing mouth of block board (405).