A bicycle variable inertia glider

Abstract

The utility model relates to a bicycle auxiliary equipment technical field discloses a bicycle variable inertia skidder, bicycle variable inertia skidder includes car body, wheel, handle, adjusting mechanism, inertia mechanism and mounting mechanism, adjusting mechanism sets up on handle, the knob on adjusting mechanism is connected to the inertia mechanism on the wheel through the steel wire rope no.

Description

Technical Field

[0001] This utility model relates to the field of bicycle auxiliary equipment technology, and in particular to a bicycle variable inertia gliding device. Background Technology

[0002] As a green and environmentally friendly means of transportation, bicycles play an important role in people's daily travel and fitness activities. The cycling process includes a pedaling acceleration phase and a gliding phase that uses inertia to move forward. The efficiency of the gliding phase directly affects the rider's physical exertion.

[0003] However, the existing bicycle wheel structure is simple, and the mass distribution of the hub and rim is fixed after leaving the factory. This means that the moment of inertia of the wheel is a constant value and cannot be dynamically adjusted according to different road conditions or rider needs, which greatly limits the gliding performance of the vehicle.

[0004] This fixed moment of inertia design has obvious drawbacks. When the rider is cruising on a long flat road, the small moment of inertia makes it impossible for the wheel to store enough kinetic energy, resulting in a short gliding distance and rapid speed decay. This forces the rider to pedal frequently to maintain speed, thus increasing fatigue during long rides. On the other hand, if the weight of the wheel is simply increased to increase the gliding distance, it will lead to excessive resistance when starting and climbing. Existing technology cannot meet the two completely different needs of easy start and efficient gliding.

[0005] Therefore, this utility model proposes a variable inertia gliding device for bicycles to overcome the shortcomings of the prior art. Utility Model Content

[0006] In view of the fact that the constant rotational inertia of bicycle wheels in the existing technology makes it impossible to dynamically adjust according to different road conditions or riding stages, resulting in low efficiency for long-distance gliding, difficulty in maintaining speed, and excessive physical exertion, this utility model aims to provide a bicycle variable inertia gliding device with an improved structure that can effectively solve the above problems.

[0007] This utility model provides a variable inertia gliding device for bicycles, comprising: a frame, wheels rotatably connected to the bottom of the frame, and handlebars rotatably connected to the top of the frame; as well as an adjustment mechanism, an inertia mechanism, and a mounting mechanism.

[0008] The adjustment mechanism includes an adjuster fixedly installed on the handlebars, a knob rotatably connected to the adjuster, a steel wire rope sleeved on the outer wall of the knob, and a protrusion structure on the surface of the steel wire rope.

[0009] Furthermore, the inertial mechanism, the mounting mechanism, and the wheel are combined through a precise mechanical fit, specifically as follows: the inertial mechanism includes a central ring fixed to one side of the wheel, a rotating ring rotatably connected to the outer wall of the central ring, and a groove formed on the outer wall of the rotating ring. The end of a steel wire rope away from the knob is connected to the groove and can drive the rotating ring to rotate; a support plate is fixedly connected to the outer wall of the central ring, a limiting plate is fixedly connected to the end of the support plate away from the central ring, a second steel wire rope is sleeved in the groove, the end of the second steel wire rope away from the rotating ring is connected to the inside of the limiting plate, a limiting block is fixed on the second steel wire rope, and a gravity ingot is clamped and fixed between the limiting blocks; the mounting mechanism includes an arc groove formed on the surface of the support plate and a mounting plate fixedly connected to the bottom of the support plate, the arc groove engaging with the spokes of the wheel to achieve a stable installation.

[0010] Preferably, the mounting mechanism further includes a fixing plate and fixing bolts. The bottom of the mounting plate is attached to the fixing plate, and the fixing bolts pass through the fixing plate and are fixedly connected to the support plate. The glider is firmly locked to the wheel by the clamping cooperation between the fixing plate and the support plate. This structure ensures that the device will not loosen or shift when rotating at high speed.

[0011] Preferably, a magnetic block is fixedly connected to the surface of the central ring near the wheel. The magnetic block is magnetic and fits tightly against the center of the wheel. The design utilizes magnetic attraction to further eliminate the tiny gap between the central ring and the wheel axle, thereby improving the concentricity and stability of the overall operation.

[0012] Preferably, the surface of the wire rope is provided with a plurality of protrusions spaced apart along its length. When the knob is rotated, the inner wall structure and the protrusions engage to drive the wire rope to rotate reliably in a ring shape, effectively preventing transmission slippage.

[0013] Preferably, the inner wall of the groove is provided with protrusions that match the shape of the protrusions on the first steel wire rope. The first steel wire rope drives the rotating ring to rotate through the snap-fit ​​between the protrusions, ensuring efficient transmission of the adjustment torque.

[0014] Preferably, the number of support plates is set to three, and the three support plates are evenly distributed in a circle on the outer wall of the central ring, and the included angle between two adjacent support plates is 120 degrees. This symmetrical three-point layout can ensure that the centrifugal forces generated by the three gravity ingots cancel each other out, thereby maintaining good dynamic balance performance.

[0015] Preferably, the second wire rope can drive the gravity ingot to move smoothly back and forth along the length of the support plate when the rotating ring rotates. The gravity ingot is strictly limited between the two limiting blocks, ensuring that the position adjustment of the gravity ingot is accurate and synchronous.

[0016] Preferably, the second steel wire rope passes through the interior of the limiting plate and forms a closed loop connection. The limiting plate is provided with a guide structure to guide the second steel wire rope to rotate smoothly, thereby realizing the reciprocating control of the radial position of the gravity ingot by the forward and reverse rotation of the rotating ring.

[0017] This utility model has the following beneficial effects: 1. This utility model solves the problem that the rotational inertia of existing bicycle wheels is fixed and cannot be flexibly adjusted according to road conditions or riding needs by setting an adjustment mechanism on the handlebars and linking the inertia mechanism on the wheel with a steel wire rope. It utilizes the rotation of the rotating ring to drive the gravity spindle to move back and forth along the radial direction of the support plate, thereby changing the rotation radius of the gravity spindle relative to the wheel axle. This achieves the effect of allowing riders to freely switch between increasing inertia to assist in long-distance effortless gliding and decreasing inertia to adapt to frequent starts and stops, depending on the actual situation.

[0018] 2. This utility model solves the problem of slippage or step loss leading to adjustment failure in traditional flexible transmission when the distance is long or the force is large by setting a protrusion on one surface of the wire rope and setting a matching locking structure in the groove of the knob and the swivel. It achieves the effect of ensuring that the adjustment signal can be accurately transmitted from the stationary handlebar end to the rotating wheel inertial mechanism end and improving the reliability of the overall control system.

[0019] 3. This utility model solves the problems of eccentric vibration, loose installation, or misalignment with the wheel axle that are prone to occur when the external auxiliary device is mounted on the wheel at high speed by adopting a triple fixing method, which involves the arc groove on the support plate engaging with the wheel spokes, the mounting plate and the fixing plate being clamped together by bolts, and the central magnetic block adsorption. This achieves the effect of ensuring that the glider and the wheel maintain a high degree of concentric rotation, effectively eliminating running vibration, improving riding stability, and protecting the safety of the wheel spoke structure. Attached Figure Description

[0020] Figure 1 This is a perspective view of a variable inertia gliding device for bicycles proposed in this utility model; Figure 2 This is a right view of a variable inertia gliding device for bicycles proposed in this utility model; Figure 3 This is a front view of the gravity ingot of a bicycle variable inertia glider proposed in this utility model; Figure 4This is a schematic diagram of the structure of the central ring of a variable inertia glider for bicycles proposed in this utility model; Figure 5 This is a schematic diagram of the rotating ring structure of a variable inertia glider for bicycles proposed in this utility model.

[0021] Legend: 1. Vehicle body; 2. Wheels; 3. Handlebars; 4. Adjustment mechanism; 401. Adjuster; 402. Knob; 403. Wire rope one; 5. Inertia mechanism; 501. Central ring; 502. Support plate; 503. Rotary ring; 504. Cable groove; 505. Wire rope two; 506. Limiting block; 507. Gravity ingot; 508. Limiting plate; 6. Mounting mechanism; 601. Arc groove; 602. Mounting plate; 603. Fixing plate; 604. Fixing bolt; 605. Magnetic block. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0023] Example: Please refer to Figures 1 to 5 This utility model provides a variable inertia gliding device for bicycles. This device aims to solve the problem of low gliding efficiency caused by the fixed rotational inertia of bicycle wheels in the prior art, which cannot be adjusted according to riding needs.

[0024] like Figure 1 and Figure 2 As shown, the variable inertia glider for bicycles includes a frame 1, a wheel 2 rotatably connected to the bottom of the frame 1, a handlebar 3 rotatably connected to the top of the frame 1, and an adjustment mechanism 4, an inertia mechanism 5, and a mounting mechanism 6 respectively disposed on the frame 1, the wheel 2, and the handlebar 3. The adjustment mechanism 4 is used for the rider to manually input adjustment signals, the inertia mechanism 5 is used to change the mass distribution of the wheel 2 according to the adjustment signals to adjust the moment of inertia, and the mounting mechanism 6 is used to stably fix the inertia mechanism 5 to the wheel 2.

[0025] The adjustment mechanism 4 is set on the handlebars 3 for easy operation by the rider. The adjustment mechanism 4 includes an adjuster 401 fixedly installed on the surface of the handlebars 3. The adjuster 401 serves as a mounting base for the control end. A knob 402 is rotatably connected to the surface of the adjuster 401. The knob 402 serves as a manual input rotation control component. A steel wire rope 403 is sleeved on the outer wall of the knob 402. The steel wire rope 403 is used to transmit the rotational movement of the knob 402 to the end of the wheel 2.

[0026] As a component for realizing variable inertia function, the inertial mechanism 5 includes a central ring 501 fixed to one side of the wheel 2. The central ring 501 serves as the central support frame of the entire inertial mechanism 5. A rotating ring 503 is rotatably connected to the outer wall of the central ring 501. The rotating ring 503 can rotate relative to the axis of the central ring 501. A wire groove 504 is provided on the outer wall of the rotating ring 503. The wire groove 504 is used to store and guide the wire rope. The end of the wire rope 403 away from the knob 402 is connected to the wire groove 504. The rotating ring 503 can be driven to rotate on the central ring 501 by pulling the wire rope 403.

[0027] A support plate 502 is also fixedly connected to the outer wall of the central ring 501. The support plate 502 extends radially outward along the wheel 2. A limit plate 508 is fixedly connected to the end of the support plate 502 away from the central ring 501. The limit plate 508 serves as the outer end point and fixing point of the radial movement stroke. A second steel wire rope 505 is also sleeved in the groove 504. The end of the second steel wire rope 505 away from the rotating ring 503 is connected to the inside of the limit plate 508. The second steel wire rope 505 forms a connection loop between the rotating ring 503 and the limit plate 508.

[0028] To solve the above-mentioned technical problems, the technical solution of this embodiment is that the bicycle variable inertia glider also includes a variable inertia component composed of a second steel wire rope 505 and a gravity spindle 507, and a specific linkage and connection relationship is formed between the second steel wire rope 505 and the aforementioned rotating ring 503 and limiting plate 508.

[0029] Please refer to Figure 3 and Figure 5 Two limit blocks 506 are fixedly connected to the surface of the second wire rope 505. The gravity spindle 507 is clamped and fixed between the two limit blocks 506. The limit blocks 506 are used to position the gravity spindle 507 and prevent the gravity spindle 507 from sliding relative to the second wire rope 505. When the rotating ring 503 rotates, the second wire rope 505 can drive the gravity spindle 507 to move back and forth along the length direction of the support plate 502. As a mass block that changes the moment of inertia, the change in the distance between the gravity spindle 507 and the axis of the wheel 2 directly determines the magnitude of the sliding inertial force.

[0030] Meanwhile, in order to ensure smooth transmission and closed-loop control, the limiting plate 508 is provided with a guide channel or pulley structure. The second wire rope 505 passes through the inside of the limiting plate 508 and can rotate in a ring. The end of the second wire rope 505 away from the rotating ring 503 is connected to the inside of the limiting plate 508 to form a loop. This ring connection structure ensures that the forward and reverse rotation of the rotating ring 503 can be accurately converted into the radial reciprocating motion of the gravity spindle 507.

[0031] For the connection and fixation between the device and wheel 2, please refer to... Figure 2 and Figure 4 The mounting mechanism 6 includes an arc groove 601 formed on the surface of the support plate 502. The shape of the arc groove 601 is adapted to the spokes of the wheel 2. The arc groove 601 engages with the spokes of the wheel 2 to provide anti-torque support. The mounting mechanism 6 also includes a mounting plate 602 fixedly connected to the bottom of the support plate 502, and a fixing plate 603 located below the mounting plate 602. The bottom of the mounting plate 602 is in contact with the surface of the fixing plate 603. A fixing bolt 604 passes through the fixing plate 603 and is fixedly connected to the support plate 502. By locking the fixing bolt 604, the fixing plate 603 and the mounting plate 602 cooperate to firmly clamp the support plate 502 onto the wheel 2.

[0032] To further improve the concentricity and stability of the device during high-speed rotation, a magnetic block 605 is fixedly connected to the surface of the central ring 501 near the wheel 2. The magnetic block 605 has a magnetic adsorption function and is directly attached to the center position of the wheel 2. The magnetic block 605 uses magnetic force to adhere to the axle of the wheel 2, which plays a role in auxiliary positioning and eliminating vibration and central stabilization.

[0033] In a preferred embodiment, in order to achieve effective transmission of adjustment signals from handlebar 3 to wire rope 403, multiple protrusions are fixedly connected to the surface of wire rope 403 along its length. When knob 402 is rotated, the inner wall structure of knob 402 engages with the protrusions, thereby driving wire rope 403 to perform a circular transmission motion through the protrusions. This protrusion transmission method can effectively prevent wire rope 403 from slipping on knob 402.

[0034] As a preferred embodiment, to ensure that the wire rope 403 can drive the swivel 503 located on the wheel 2 to rotate, please refer to... Figure 5 The inner wall of the groove 504 on the rearmost side of the rotating ring 503 is provided with a protrusion that matches the protrusion on the wire rope 403. The end of the wire rope 403 away from the knob 402 is wound around the groove 504 on the rearmost side. The protrusion on the wire rope 403 engages with the protrusion in the groove 504, so that the rotating ring 503 can be stably driven to rotate when the wire rope 403 is pulled.

[0035] As a preferred embodiment, in order to ensure the dynamic balance of the inertial mechanism 5 when rotating on the wheel 2, the number of support plates 502 is set to three. The three support plates 502 are evenly distributed in a circle on the outer wall of the central ring 501, and the included angle between two adjacent support plates 502 is 120 degrees. This three-point symmetrical layout can ensure that the centrifugal force generated by the three gravity ingots 507 cancels each other out at the axis of the wheel 2, and avoids eccentric vibration when the wheel 2 rotates at high speed.

[0036] In a preferred embodiment, in order to achieve the reciprocating adjustment function of the position of the gravity ingot 507, the arrangement of the second wire rope 505 is such that when the rotating ring 503 rotates, it can drive the gravity ingot 507 to move radially reciprocally along the length direction of the support plate 502. The gravity ingot 507 is restricted between two limit blocks 506 to maintain synchronous movement with the second wire rope 505. When the rotating ring 503 rotates in one direction, the gravity ingot 507 moves away from the central ring 501 to increase the moment of inertia. When the rotating ring 503 rotates in the opposite direction, the gravity ingot 507 moves closer to the central ring 501 to decrease the moment of inertia.

[0037] In a preferred embodiment, in order to form a closed-loop transmission circuit for the second wire rope 505, a guide channel or pulley structure is provided inside the limiting plate 508. The second wire rope 505 passes through the inside of the limiting plate 508 and can rotate in a ring. This structure allows the second wire rope 505 to smoothly circulate between the rotating ring 503 and the limiting plate 508.

[0038] Working principle: When the rider needs to use inertia to assist in gliding, the rider turns the knob 402 located on the handlebar 3. The knob 402 drives the steel wire rope 403 sleeved on the outer wall of the knob 402 to perform a circular transmission motion. The steel wire rope 403 drives the rotating ring 503 located at the axle of the wheel 2 to rotate relative to the central ring 501 through the protrusions on the surface of the steel wire rope 403. Since the swivel 503 is connected to the second wire rope 505, the rotation of the swivel 503 will pull the second wire rope 505 to circulate between the swivel 503 and the limiting plate 508 at the end of the support plate 502. The movement of the second wire rope 505 will drive the gravity spindle 507, which is clamped between the limiting blocks 506, to move outward along the length of the support plate 502. As the gravity spindle 507 moves away from the central axle of the wheel 2, the rotation radius of the gravity spindle 507 relative to the swivel axle increases. According to the rotational inertia formula, the overall rotational inertia of the wheel 2 increases significantly, thereby generating a greater inertial force during gliding to maintain the rotation of the wheel 2 and achieve the effect of effortless gliding. Conversely, when the rider needs to reduce inertia for frequent starts, stops, or acceleration, the knob 402 is turned in the opposite direction, driving the rotating ring 503 to reverse through the same transmission path. This, in turn, pulls the gravity pin 507 towards the central axle of the wheel 2 via the steel cable 505. When the gravity pin 507 is closest to the central axle of the wheel 2, the rotation radius is the smallest, and the inertial force generated is the smallest. At this time, the device provides very little additional assistance to the rider, which is suitable for regular riding mode. During this process, the mounting mechanism 6 ensures that the inertial mechanism 5 is stably attached to the wheel 2 and rotates synchronously through the engagement of the arc groove 601 with the spokes and the locking of the fixing bolt 604. At the same time, the magnetic block 605 is attracted to the center of the wheel 2, ensuring the concentricity and stability of the device under high-speed rotation.

Claims

1. A bicycle variable inertia glider, comprising a frame (1), a wheel (2) rotatably connected to the bottom of the frame (1), and a handlebar (3) mounted on the top of the frame (1); Its features are, The glider also includes an adjustment mechanism (4), an inertia mechanism (5), and an installation mechanism (6). The adjustment mechanism (4) includes an adjuster (401) fixedly installed on the handlebar (3), a knob (402) is rotatably connected to the adjuster (401), and a steel wire rope (403) is wound around the outer wall of the knob (402). The inertial mechanism (5) includes a central ring (501) located on one side of the wheel (2). A support plate (502) is fixed to the outer wall of the central ring (501). A rotating ring (503) is rotatably connected to the outer wall of the central ring (501). A wire groove (504) is provided on the rotating ring (503). One end of the first steel wire rope (403) away from the knob (402) is sleeved in the wire groove (504). A second steel wire rope is sleeved on the rotating ring (503). (505), a limiting block (506) is fixed on the second wire rope (505), a gravity ingot (507) is held between the limiting blocks (506), the gravity ingot (507) is slidably disposed on the second wire rope (505), and a limiting plate (508) is connected to one end of the second wire rope (505) away from the rotating ring (503), and the limiting plate (508) is fixedly connected to one end of the support plate (502) away from the central ring (501).

2. The variable inertia gliding device for bicycles according to claim 1, characterized in that, The installation mechanism (6) includes an installation plate (602) fixedly connected to the bottom of the support plate (502). The bottom of the installation plate (602) is connected to a fixing plate (603) by fixing bolts (604). The installation plate (602) and the fixing plate (603) cooperate to fix the glider to the wheel (2). The first wire rope (403) is provided with a protrusion. The groove (504) is provided with a structure that can engage with the protrusion on the first wire rope (403). When the knob (402) is rotated, the first wire rope (403) is driven to rotate in a ring shape through the protrusion.

3. A variable inertia gliding device for bicycles according to claim 1, characterized in that, The support plate (502) has an arc groove (601) that engages with the spokes of the wheel (2).

4. A variable inertia gliding device for bicycles according to claim 1, characterized in that, A magnetic block (605) is provided on the side of the central ring (501) near the wheel (2), and the magnetic block (605) is attached to the center position of the wheel (2).

5. A variable inertia gliding device for bicycles according to claim 1, characterized in that, There are multiple support plates (502), and the multiple support plates (502) are distributed at a 120-degree angle to each other on the outer wall of the central ring (501).

6. A variable inertia gliding device for bicycles according to claim 1, characterized in that, The swivel (503) has multiple grooves (504) and one end of the steel wire rope (403) is sleeved on the groove (504) located on the last side.

7. A variable inertia gliding device for bicycles according to claim 1, characterized in that, The second steel wire rope (505) is sleeved in multiple grooves (504), and the end of the second steel wire rope (505) away from the rotating ring (503) is sleeved inside the limiting plate (508). The second steel wire rope (505) can rotate in a ring between the rotating ring (503) and the limiting plate (508).

8. A variable inertia gliding device for bicycles according to claim 1, characterized in that, The gravity ingot (507) is located between the two limiting blocks (506), the limiting blocks (506) clamp and limit the gravity ingot (507), and the gravity ingot (507) can move outward or inward along the direction of the support plate (502) as the steel wire rope (505) rotates.

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