CN213892789U - Bicycle flywheel with offset gravity center - Google Patents
Bicycle flywheel with offset gravity center Download PDFInfo
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- CN213892789U CN213892789U CN202022296327.1U CN202022296327U CN213892789U CN 213892789 U CN213892789 U CN 213892789U CN 202022296327 U CN202022296327 U CN 202022296327U CN 213892789 U CN213892789 U CN 213892789U
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- balancing weight
- spring
- wheel body
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Abstract
The utility model relates to the technical field of bicycle accessories, in particular to a bicycle flywheel with offset gravity center, which comprises a hub, wherein the outer end position of the hub is in transmission connection with a ratchet body, a cover plate covers the position right ahead of the joint of the ratchet body and the hub, the outer end position of the ratchet body is in combined connection with a chain wheel body, a short screw rod is fixed at the middle end position of the bottom of the ratchet body, a balancing weight is sleeved at the outer end position of the short screw rod, and a threaded lantern ring is installed right ahead of the balancing weight, in the utility model, the balancing weight, the short screw rod and the threaded lantern ring are combined under the connection and matching of the short screw rod and the threaded lantern ring, so that the whole flywheel has offset gravity center, when a bicycle is pushed, under the action of the offset gravity center, a bicycle pedal is fixed, and the circular motion can not be realized, the purpose of not hindering a person pushing the bicycle to push the bicycle is achieved while the pedal of the bicycle is prevented from rotating.
Description
Technical Field
The utility model relates to a bicycle accessory technical field specifically is a have skew focus bicycle flywheel.
Background
Bicycle accessories are a general term for all parts and accessories of a bicycle body. The large structural frame of the vehicle body can be divided into: the bicycle comprises a frame, a tire, pedal components, a front fork assembly, a chain, a flywheel and the like, wherein the flywheel is fixed at the right end of a rear shaft in a screwing mode through internal threads, keeps the same plane with a chain wheel, and is connected with the chain wheel through the chain to form a driving system of the bicycle. The structure can be divided into a single-stage flywheel and a multi-stage flywheel.
Bicycle flywheel on the market does not have the setting of skew focus structure when supplementary bicycle realizes riding, makes the human body very easily when promoting the bicycle, leads to the running-board to take place to rotate, causes the interference to whole shallow operation to integral type structure setting between sprocket and the ratchet also can cause the waste on certain resource because of the impaired of integral type structure when can't realizing free split.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have skew focus bicycle flywheel to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a bicycle flywheel with offset center of gravity comprises a hub, wherein the outer end position of the hub is in transmission connection with a ratchet body, a cover plate covers the position right ahead of the joint of the ratchet body and the hub, the outer end position of the ratchet body is in combined connection with a sprocket body, a short screw is fixed at the middle end position of the bottom of the ratchet body, a balancing weight is sleeved at the outer end position of the short screw, a threaded lantern ring is installed right ahead of the balancing weight, the two side positions of the ratchet body are respectively provided with a first open slot through one-time cutting machining, a combination block is arranged inside the first open slot, the upper end position and the lower end position of the combination block are alternately connected with a positioning rod through a hollow groove body, the middle part of the front face of the positioning rod is provided with a positioning groove through one-time cutting machining, a second open slot is arranged above the front face of the combination block, a third open slot is arranged obliquely above one side of the first open slot, and the third opening groove is connected with the ratchet body through one-time cutting, a sliding column is arranged in the second opening groove, a first spring is fixedly connected to the bottom end position of the positioning rod, protruding blocks are fixed to the two side positions of the sliding column, a connecting rod is fixed to the middle position of the front face of the combined block, and a second spring is fixedly mounted at the top end position of the connecting rod.
Preferably, the cover plate is screwed with the shaft sleeve through a thread axis.
Preferably, fixed connection between the vertical axis of balancing weight and the vertical axis of ratchet body, and the appearance of balancing weight is the setting of drop column structure, the nested structure is constituted with the connection of short screw rod to the balancing weight, and the short screw rod passes through screw axis and screw thread lantern ring screwed connection.
Preferably, the outer end of the combination block is matched with the inner end of the first open slot in shape, one side end of the combination block is fixedly connected with one side end of the chain wheel body, the combination block is connected with the positioning rod to form an embedded structure, the positioning rod is connected with the first spring to form an elastic structure, the first spring is connected with the combination block in an embedded mode through the hollow groove body, the front face of the positioning rod is fixedly connected with the rear end face of the sliding column, and the sliding column is fixedly connected with the second spring through the convex block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the balancing weight, the short screw rod and the thread lantern ring are combined under the connection and matching of the short screw rod and the thread lantern ring, the balancing weight is connected with the flywheel, so that the whole flywheel has an offset gravity center, when the bicycle is pushed, the bicycle pedal is fixed under the action of the offset gravity center, the circular motion cannot be realized, and the purpose of not hindering a pusher to push the bicycle is also achieved while the bicycle pedal is prevented from rotating;
2. the utility model discloses in, first spring through setting up, the ratchet body, the second spring, the slip post, locating lever and lug, combine under the cooperation that set screw was demolishd, a set of slip post after being pull is respectively through locating lever and lug, the resilience effort that overcomes first spring and second spring and produce realizes the syntropy slip action, realize the phase separation between locating lever and the ratchet body, later stage maintainer only needs the mode through outside pull, will realize quick split between ratchet body and the sprocket body, for the integral type structure setting in the past, can save the waste on certain resource effectively.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.
In the figure: the gear transmission mechanism comprises a shaft leather 1, a ratchet wheel body 2, a ratchet wheel body 3, a cover plate 4, a chain wheel body 5, a short screw rod 6, a balancing weight 7, a threaded lantern ring 8, a first open slot 9, a combined block 10, a positioning rod 11, a positioning slot 12, a second open slot 13, a third open slot 14, a sliding column 15, a first spring 15, a lug 16, a connecting rod 17 and a second spring 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a bicycle flywheel with offset center of gravity comprises a hub 1, a ratchet body 2 is connected to the outer end position of the hub 1 in a transmission manner, a cover plate 3 covers the position right ahead of the joint of the ratchet body 2 and the hub 1, a chain wheel body 4 is connected to the outer end position of the ratchet body 2 in a combined manner, a short screw 5 is fixed to the middle end position of the bottom of the ratchet body 2, a balancing weight 6 is sleeved on the outer end position of the short screw 5, a threaded lantern ring 7 is installed right ahead of the balancing weight 6, first open grooves 8 are formed in the positions on the two sides of the ratchet body 2 through one-time cutting, a combined block 9 is arranged inside the first open grooves 8, positioning rods 10 are connected to the upper end position and the lower end position of the combined block 9 in an inserting manner through hollow groove bodies, positioning grooves 11 are formed in the middle of the front of the positioning rods 10 through one-time cutting, and second open grooves 12 are formed in the position above the front of the combined block 9, a third opening groove 13 is formed in the obliquely upper position of one side of the first opening groove 8, the third opening groove 13 is connected with the ratchet body 2 through one-time cutting, a sliding column 14 is arranged in the second opening groove 12, a first spring 15 is fixedly connected to the bottom end position of the positioning rod 10, protruding blocks 16 are fixed to the two sides of the sliding column 14, a connecting rod 17 is fixed to the middle position of the front face of the combined block 9, and a second spring 18 is fixedly mounted to the top end position of the connecting rod 17.
The cover plate 3 is in threaded connection with the shaft skin 1 through a thread axis, and the cover plate 3 is connected with the shaft skin 1 under the matching of the threaded connection, so that the shaft skin 1 can be used as a shielding component to play a certain shielding and protecting role on a pawl fixedly connected with the shaft skin 1; the vertical central axis of the balancing weight 6 is fixedly connected with the vertical central axis of the ratchet wheel body 2, the balancing weight 6 is arranged in a water drop-shaped structure, the balancing weight 6 and the short screw 5 are connected to form a nested structure, the short screw rod 5 is spirally connected with the threaded sleeve ring 7 through a thread axis, and is combined under the switching action of the short screw rod 5 and the limiting action of the threaded sleeve ring 7, the balancing weight 6 with the shape of a water drop-shaped structure is connected with the flywheel, the arrangement of the balancing weight 6 can ensure that the whole flywheel has an offset gravity center, and the gravity line of the gravity center is vertical to the connection of 2 provinces and the pedal shaft, when the bicycle is pushed, under the action of shifting the gravity center, the bicycle pedals are fixed, so that circular motion cannot be realized, the purpose of pushing a bicycle without hindering a rider is achieved, and the pedals are always positioned at positions beneficial to the start of riding, so that the rider can conveniently start riding; the outer end of the combination block 9 is matched with the inner end of the first open slot 8 in shape, one side end of the combination block 9 is fixedly connected with one side end of the chain wheel body 4, the combination block 9 is connected with the positioning rod 10 to form an embedded structure, the positioning rod 10 is connected with the first spring 15 to form an elastic structure, the first spring 15 is connected with the combination block 9 through a hollow groove body, the front surface of the positioning rod 10 is fixedly connected with the rear end surface of the sliding column 14, the sliding column 14 is fixedly connected with the second spring 18 through the lug 16, when the corner of the chain wheel body 4 is damaged, and a maintainer removes screws penetrating through the second open slot 12 and the positioning slot 11 at the same time in advance, under the cooperation of manual operation, after the resilience acting force generated by the first spring 15 and the second spring 18 is overcome through the positioning rod 10 and the lug 16 respectively, so as to realize the equidirectional sliding action, realize the phase separation between locating lever 10 and the ratchet body 2, later stage maintainer only need carry out quick split with ratchet body 2 and sprocket body 4 through the mode of outside pull, can accomplish whole independent dismantlement operation, and this structure is when making whole flywheel have an independent split structure, for the integral type structure setting in the past, can save the waste on certain resource effectively.
The working process is as follows: when the bicycle is pushed, the pedals of the bicycle are fixed under the action of the offset gravity center, circular motion cannot be realized, the purpose of pushing the bicycle by a pusher is achieved, when the corners of the chain wheel body 4 are damaged, and a maintainer removes screws penetrating through the second open slot 12 and the positioning slot 11 at the same time in advance, a group of sliding columns 14 subjected to manual traction acting force respectively pass through the positioning rod 10 and the protruding block 16, overcome the resilience effort that first spring 15 and second spring 18 produced and realize syntropy slip action back, realize the phase separation between locating lever 10 and the ratchet body 2, later stage maintainer only needs the mode through outside pull to carry out quick split with ratchet body 2 and sprocket body 4, can accomplish whole independent dismantlement operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A bicycle flywheel with an offset centre of gravity, comprising a hub (1), characterized in that: the outer end position of the shaft skin (1) is connected with a ratchet wheel body (2) in a transmission mode, a cover plate (3) covers the position right ahead of the joint of the ratchet wheel body (2) and the shaft skin (1), the outer end position of the ratchet wheel body (2) is connected with a chain wheel body (4) in a combined mode, a short screw (5) is fixed at the middle end position of the bottom of the ratchet wheel body (2), a balancing weight (6) is sleeved at the outer end position of the short screw (5), a threaded sleeve ring (7) is installed right ahead of the balancing weight (6), first open grooves (8) are formed in the positions of the two sides of the ratchet wheel body (2) through one-time cutting machining, a combined block (9) is arranged inside the first open grooves (8), positioning rods (10) are connected to the upper end position and the lower end position of the combined block (9) through a hollow groove body in an inserting mode, and positioning grooves (11) are formed in the middle of the front of the positioning rods (10) through one-time cutting machining, second open slot (12) have been seted up to the positive top position of combination piece (9), third open slot (13) have been seted up to the oblique top position in one side of first open slot (8), and third open slot (13) are connected with ratchet body (2) through disposable cutting process, the inside of second open slot (12) embeds there is slip post (14), and the bottom position fixedly connected with first spring (15) of locating lever (10), the both sides position of slip post (14) all is fixed with lug (16), the positive middle part position of combination piece (9) is fixed with connecting rod (17), and the top position fixed mounting of connecting rod (17) has second spring (18).
2. A bicycle flywheel having an offset center of gravity as defined in claim 1, wherein: the cover plate (3) is in threaded connection with the shaft sleeve (1) through a thread axis.
3. A bicycle flywheel having an offset center of gravity as defined in claim 1, wherein: fixed connection between the vertical axis of balancing weight (6) and the vertical axis of ratchet body (2), and the appearance of balancing weight (6) is the setting of water droplet column structure, the connection of balancing weight (6) and short screw rod (5) constitutes nested structure, and short screw rod (5) pass through screw thread axis and screw thread lantern ring (7) screwed connection.
4. A bicycle flywheel having an offset center of gravity as defined in claim 1, wherein: the outer end of the combination block (9) is matched with the inner end of the first open slot (8) in shape, one side end of the combination block (9) is fixedly connected with one side end of the chain wheel body (4), the combination block (9) is connected with the positioning rod (10) to form an embedded structure, the positioning rod (10) is connected with the first spring (15) to form an elastic structure, the first spring (15) is connected with the combination block (9) in a built-in mode through a hollow groove body, the front face of the positioning rod (10) is fixedly connected with the rear end face of the sliding column (14), and the sliding column (14) is fixedly connected with the second spring (18) through a convex block (16).
Priority Applications (1)
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CN202022296327.1U CN213892789U (en) | 2020-10-15 | 2020-10-15 | Bicycle flywheel with offset gravity center |
Applications Claiming Priority (1)
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CN202022296327.1U CN213892789U (en) | 2020-10-15 | 2020-10-15 | Bicycle flywheel with offset gravity center |
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CN213892789U true CN213892789U (en) | 2021-08-06 |
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CN202022296327.1U Active CN213892789U (en) | 2020-10-15 | 2020-10-15 | Bicycle flywheel with offset gravity center |
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- 2020-10-15 CN CN202022296327.1U patent/CN213892789U/en active Active
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