CN117416456A - Adjustable active speed-limiting children bicycle - Google Patents
Adjustable active speed-limiting children bicycle Download PDFInfo
- Publication number
- CN117416456A CN117416456A CN202311661321.1A CN202311661321A CN117416456A CN 117416456 A CN117416456 A CN 117416456A CN 202311661321 A CN202311661321 A CN 202311661321A CN 117416456 A CN117416456 A CN 117416456A
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- children
- limiting
- sliding
- block
- bicycle body
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- 238000007906 compression Methods 0.000 claims description 48
- 230000006835 compression Effects 0.000 claims description 44
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M1/00—Rider propulsion of wheeled vehicles
- B62M1/34—Rider propulsion of wheeled vehicles by walking on an endless belt
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Toys (AREA)
Abstract
The invention relates to a children bicycle, in particular to an adjustable active speed limiting children bicycle. Including children's bicycle body, carousel, fixed shell, snap ring, rotatory board, friction disc etc. that colludes, the carousel connect in the rear wheel pivot of children's bicycle body, the fixed shell connect in on the children's bicycle body, the snap ring rotate connect in the fixed shell, two rotatory board that colludes all rotate connect in on the carousel, friction disc sliding connection in on the fixed shell. When the children bicycle body accelerates, the friction block can rub the clamping ring through the matching of the turntable, the rotary hook plate, the clamping ring and the friction block, so that the clamping ring, the rotary hook plate, the turntable and the rear wheel of the children bicycle body are decelerated, the children bicycle body can be automatically limited in speed, safety is high, and the children bicycle body can be prevented from being too fast.
Description
Technical Field
The invention relates to a children bicycle, in particular to an adjustable active speed limiting children bicycle.
Background
The children bicycle is a bicycle suitable for riding 4-8 years old children, can be used as a toy for children, can also help children learn to drive the bicycle, and generally can not only meet the fun of the children, but also enable the children to move when riding through the riding bicycle, so that the physical strength of the children is exercised.
Today, children bicycle is when using, and children only need to rotate through stepping on the footboard, can make children bicycle go, and the speed of traveling then depends on children to step on the rotatory speed of footboard, and through children's quick pedal rotation, also can make children bicycle go fast, but, children bicycle is when going fast, because children are relatively poor to unknown dangerous prejudgement nature, lead to not only improving children's danger of riding easily, have great potential safety hazard to the passerby moreover.
Disclosure of Invention
In view of the above, the invention provides an adjustable active speed-limiting children bicycle, which can solve the defects that the children are easy to increase the riding danger of the children and have larger potential safety hazards to passers-by when the children bicycle is ridden quickly.
The technical scheme of the invention is as follows:
the utility model provides an initiative speed limit children's bike with adjustable, including children's bike body, still including carousel, fixed bolster, snap ring, rotatory board, friction disc, compression spring I, connecting rope, stop gear and adjustment mechanism that colludes, the carousel connect in on the rear wheel pivot of children's bike body, make the carousel can follow children's bike body's rear wheel synchronous revolution, the fixed bolster connect in on the children's bike body, the snap ring rotate connect in the fixed bolster, two rotatory board that colludes all rotate connect in on the carousel, make the carousel can be right when rotatory board that colludes produces centrifugal whipping, and pass through rotatory board that colludes can drive when the snap ring rotates together rotatory, friction block sliding connection in on the fixed bolster, compression spring I both ends connect respectively in the friction disc with on the fixed bolster, make the snap ring can pass through when rotatory the friction block pulling in the fixed bolster, thereby make the carousel rotate, can be used for when the speed reduction gear carries out the speed limit mechanism to the rotation of the speed limit mechanism the snap ring carries out the speed limit mechanism.
As an optimized technical scheme of the invention, the limiting mechanism comprises a connecting rod and a limiting block, wherein two ends of the connecting rod are respectively connected to the two rotary hook plates in a rotating way, so that one rotary hook plate can drive the other rotary hook plate to reset when resetting, the limiting block is connected to the turntable, and the limiting block is used for limiting when resetting the rotary hook plate.
As a preferable technical scheme of the invention, the adjusting mechanism comprises a sliding block and an extension spring I, a sliding groove is formed in the rotary table, the sliding block is connected to the rotary table in a sliding mode, the sliding block slides in the sliding groove, two ends of the extension spring I are respectively connected to one of the rotary hook plate and the sliding block, and the rotary hook plate can be limited by the elasticity of the extension spring I through the movement of the sliding block, so that the speed limiting value of the children bicycle body is adjusted.
As a preferable technical scheme of the invention, the adjusting mechanism further comprises clamping blocks, a push rod, a compression spring II and an elastic rope, clamping grooves are formed in the turntable at intervals, the two clamping blocks are connected to the sliding blocks in a sliding mode, the clamping blocks are clamped into the clamping grooves, the clamping blocks can limit the sliding blocks, the push rod is connected to the sliding blocks in a sliding mode, two ends of the compression spring II are connected to the push rod and the sliding blocks respectively, and two ends of the elastic rope are connected between the two clamping blocks respectively.
As a preferable technical scheme of the invention, the child bicycle comprises a child bicycle body, and the child bicycle further comprises a release mechanism, wherein the release mechanism comprises a limiting shell and a rubber hook plate, the limiting shell is connected to a rear wheel spindle of the child bicycle body in a sliding manner, the limiting shell can limit the rotating hook plate through movement, so that the speed limit of the child bicycle body is released, the rubber hook plate is connected to the turntable, and the rubber hook plate is used for limiting the moving limiting shell.
As a preferable technical scheme of the invention, the release mechanism further comprises a compression spring III, and two ends of the compression spring III are respectively connected to the limiting shell and the rear wheel spindle of the children bicycle body, so that the limiting shell can be reset through the compression spring III after moving.
As a preferable technical scheme of the invention, the bicycle further comprises an auxiliary mechanism, wherein the auxiliary mechanism comprises a connecting frame, a sliding plate, an extension spring II, a roller rotating frame and a track, the connecting frame is connected to the bicycle body of the child, the sliding plate is connected to the connecting frame in a sliding manner, two ends of the extension spring II are respectively connected to the connecting frame and the sliding plate, the roller rotating frame is connected to the sliding plate in a rotating manner, and the track is wound on the roller rotating frame, so that the roller rotating frame can unfold the track through rotation, and the track can assist the bicycle body of the child to move on a step.
As a preferable technical scheme of the invention, the auxiliary mechanism further comprises a movable plate and a touch frame, wherein the movable plate is connected to the sliding plate in a sliding way, the touch frame is connected to the movable plate, and the roller rotating frame can be extruded to rotate by moving the touch frame.
As a preferable technical scheme of the invention, the auxiliary mechanism further comprises a wedge block and a compression spring IV, wherein the wedge block is connected to the connecting frame in a sliding manner, the wedge block can limit the touch frame after the touch frame passes over the wedge block, and two ends of the compression spring IV are respectively connected to the wedge block and the connecting frame.
As a preferable technical scheme of the invention, the auxiliary mechanism further comprises a sliding frame, wherein the sliding frame is connected to the movable plate in a sliding manner, and the wedge-shaped block can be extruded through the movement of the sliding frame.
The beneficial effects are that:
1. when the children bicycle body accelerates, the friction block can rub the clamping ring through the matching of the turntable, the rotary hook plate, the clamping ring and the friction block, so that the clamping ring, the rotary hook plate, the turntable and the rear wheel of the children bicycle body are decelerated, the children bicycle body can be automatically limited in speed, safety is high, and the children bicycle body can be prevented from being too fast.
2. According to the invention, by arranging the adjusting mechanism, people can move left and right by pulling the sliding block, the speed limiting value of the children bicycle body can be adjusted, and children in different age groups can be conveniently used by adjusting the speed limiting value of the children bicycle body.
3. According to the invention, the limiting shell is pressed to move to clamp the rotary hook plate, so that the limiting shell can limit the rotary hook plate, and the rotary hook plate cannot be centrifugally swung due to the turntable, so that the speed limit of the children bicycle body can be relieved, and the children bicycle is convenient for people to select and use.
Drawings
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic perspective view of the turntable and the fixed case of the present invention.
Fig. 3 is a cross-sectional view of the stationary housing of the present invention.
Fig. 4 is a schematic perspective view of an adjusting mechanism according to the present invention.
Fig. 5 is an enlarged view at a of the present invention.
Fig. 6 is a cross-sectional view of an adjustment mechanism of the present invention.
Fig. 7 is a schematic perspective view of a release mechanism according to the present invention.
Fig. 8 is a cross-sectional view of the release mechanism of the present invention.
Fig. 9 is a schematic view of a second perspective view of the present invention.
Fig. 10 is a schematic perspective view of an auxiliary mechanism of the present invention.
Fig. 11 is an enlarged view of the present invention at B.
Wherein: the children bicycle comprises a 1-children bicycle body, a 2-turntable, a 3-fixed shell, a 4-clamp ring, a 5-rotary hook plate, a 6-friction block, a 7-compression spring I, an 8-connecting rope, a 9-connecting rod, a 10-limiting block, a 11-sliding groove, a 12-sliding block, a 13-tension spring I, a 14-clamping groove, a 15-clamping block, a 16-push rod, a 17-compression spring II, a 18-elastic rope, a 19-limiting shell, a 20-rubber hook plate, a 21-compression spring III, a 22-connecting frame, a 23-sliding plate, a 24-tension spring II, a 25-roller rotating frame, a 26-track, a 27-movable plate, a 28-touch frame, a 29-wedge block, a 30-compression spring IV and a 31-sliding frame.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples: an adjustable active speed limiting children bicycle, referring to fig. 1-6, comprises a children bicycle body 1; the device also comprises a turntable 2, a fixed shell 3, a clamping ring 4, a rotary hook plate 5, a friction block 6, a compression spring I7, a connecting rope 8, a limiting mechanism and an adjusting mechanism; the turntable 2 is connected to the front side of the rear wheel steering shaft of the children bicycle body 1, so that the turntable 2 can synchronously rotate along with the rear wheel of the children bicycle body 1; the fixed shell 3 is connected to the front right side of the children bicycle body 1; the clamping ring 4 is rotationally connected inside the fixed shell 3; the two rotary hook plates 5 are both rotationally connected to the front side of the turntable 2, so that the turntable 2 can generate centrifugal swing motion on the rotary hook plates 5 when rotating, and the clamp ring 4 can be driven to rotate together when the clamp ring 4 is hooked by the rotary hook plates 5; the two friction blocks 6 are respectively connected to the upper side and the lower side of the fixed shell 3 in a sliding way; two ends of the compression spring I7 are respectively connected to the friction block 6 and the fixed shell 3, so that the friction block 6 can return through the compression spring I7 after moving; the two ends of the connecting rope 8 are respectively connected to the friction block 6 and the clamping ring 4, so that the clamping ring 4 can pull the friction block 6 to move through the connecting rope 8 when rotating, and the friction block 6 moves to be in contact with the clamping ring 4 and rubs, and further the clamping ring 4, the rotating hook plate 5, the turntable 2 and the rear wheel of the children bicycle body 1 are decelerated, and therefore the children bicycle body 1 can be limited in speed; the limiting mechanism is used for limiting the rotating hook plate 5 during resetting; the adjusting mechanism is used for adjusting the speed limiting value.
Referring to fig. 3, the limiting mechanism comprises a connecting rod 9 and a limiting block 10; the two ends of the connecting rod 9 are respectively connected to the two rotary hook plates 5 in a rotary way, so that the rotary hook plate 5 on the left side can drive the rotary hook plate 5 on the right side to reset when resetting; the two limiting blocks 10 are connected to the front side of the turntable 2, and reset to be in contact with the limiting blocks 10 through the rotary hook plate 5, so that the limiting blocks 10 can limit the rotary hook plate 5.
Referring to fig. 4-6, the adjusting mechanism comprises a sliding block 12, an extension spring i 13, a clamping block 15, a push rod 16, a compression spring ii 17 and an elastic rope 18; a chute 11 is arranged on the front side of the turntable 2; the sliding block 12 is connected to the turntable 2 in a sliding way, and the sliding block 12 slides in the sliding groove 11; the two ends of the extension spring I13 are respectively connected to the rotary hook plate 5 and the sliding block 12 at the left side, and the elasticity of the extension spring I13 can be changed through the movement of the sliding block 12, so that the force required by the rotary hook plate 5 during centrifugal swing can be changed, the extension spring I13 can limit the rotary hook plate 5, and the speed limit value of the children bicycle body 1 can be adjusted; the front side of the turntable 2 is provided with clamping grooves 14 at intervals; the two clamping blocks 15 are both connected to the sliding block 12 in a sliding way, and the clamping blocks 15 are clamped into the clamping grooves 14, so that the clamping blocks 15 can limit the sliding block 12; the push rod 16 is slidably connected to the slider 12, and the rear end of the push rod 16 is an isosceles triangle surface, so that the push rod 16 can squeeze the clamping block 15 to move to a side far away from each other through the isosceles triangle surface; two ends of the compression spring II 17 are respectively connected to the push rod 16 and the slide block 12; two ends of the elastic rope 18 are respectively connected between the two clamping blocks 15.
In the initial state, the push rod 16 squeezes the clamping block 15, so that the elastic rope 18 is in a deformation state; when in use, the push rod 16 is pulled to move forwards, the compression spring II 17 is compressed, the push rod 16 releases the clamping block 15, at the moment, the elastic rope 18 restores the original state, the elastic rope 18 drives the clamping block 15 to move towards one side close to each other, the clamping block 15 is separated from the clamping groove 14, the clamping block 15 releases the sliding block 12, then the sliding block 12 is pulled to move left and right in the sliding groove 11, the elasticity of the extension spring I13 is changed, the speed limit value of the children bicycle body 1 is regulated, when the sliding block 12 moves rightwards, the sliding block 12 gradually pulls the extension spring I13, the extension spring I13 is gradually stretched, the elasticity of the extension spring I13 is gradually increased, the speed limit value of the children bicycle body 1 is further regulated, when the sliding block 12 moves leftwards, the extension spring I13 is gradually released, the extension spring I13 is gradually restored to the original state, so that the elasticity of the tension spring I13 is gradually reduced, the speed limit value of the children bicycle body 1 is further reduced, after the speed limit value is regulated, the push rod 16 is loosened, the compression spring II 17 is restored, the compression spring II 17 drives the push rod 16 to move backwards and reset, the push rod 16 extrudes the clamping blocks 15 to move towards the sides far away from each other and reset, the elastic rope 18 deforms, so that the clamping blocks 15 are clamped into the clamping grooves 14 again, the clamping blocks 15 clamp the sliding blocks 12, and then the sliding blocks 12 are loosened, when a child rides the children bicycle body 1, the rear wheel rotating shaft of the bicycle body 1 drives the turntable 2 and the rotary hook plate 5 to rotate together, simultaneously, the turntable 2 drives the rotary hook plate 5 to perform centrifugal swing through the rotation of the turntable 2, when the child gradually rides the children bicycle body 1, the turntable 2 is driven to gradually accelerate to rotate, the rotary table 2 can also gradually increase the power for driving the rotary hook plate 5 to centrifugally throw, when the power for centrifugally throwing the rotary hook plate 5 is larger than the elastic force of the tension spring I13, the rotary hook plate 5 can rotate, the tension spring I13 stretches, when the rotary hook plate 5 rotates to hook the clamp ring 4, the rotary table 2 can drive the clamp ring 4 to rotate together through the rotary hook plate 5, the clamp ring 4 is hooked to move to one side close to each other through the connecting rope 8, the compression spring I7 compresses, the friction block 6 is in contact with the clamp ring 4, the friction block 6 gradually decelerates and rotates the clamp ring 4 through friction force, the clamp ring 4 drives the rotary hook plate 5, the rotary table 2 and the rear wheel rotating shaft of the children bicycle body 1 gradually decelerate and rotate, the riding speed of the children bicycle body 1 gradually decelerates, after the rotating speed of the rotary table 2 decreases, the power for centrifugally throwing the rotary hook plate 5 also decreases, when the elastic force of the tension spring I13 is larger than the power for centrifugally throwing the rotary hook plate 5, the tension spring I13 drives the clamp ring 6 to move to one side close to each other through the connecting rope 8, the clamp ring 6 is stopped through the friction force, the clamp ring 6 is reversely rotated to rotate, the clamp ring 4 is reversely rotates through the reset plate 6, and the reset plate 1 is separated from the clamp ring 1, and the speed of the clamp ring is reset plate is separated from the rotary hook plate 1, and the speed is reset plate is reset, and the speed of the speed is reset, and the speed is reset, when the speed is reset, and the speed is has is reduced. When children stop riding the children bicycle body 1, the rear wheel rotating shaft of the bicycle body 1 can drive the rotary table 2 and the rotary hook plate 5 to stop rotating together, and meanwhile, the rotary table 2 can stop driving the rotary hook plate 5 to perform centrifugal swing through the stop rotation of the rotary table 2.
The children bicycle comprises a children bicycle body 1, a turntable 2, a fixed shell 3, a clamping ring 4, a rotary hook plate 5, a friction block 6, a compression spring I7, a connecting rope 8, a connecting rod 9, a limiting block 10, a sliding chute 11, a sliding block 12, an extension spring I13, a clamping block 14, a clamping block 15, a push rod 16, a compression spring II 17 and an elastic rope 18
Referring to fig. 7 and 8, the device also comprises a release mechanism, wherein the release mechanism comprises a limiting shell 19, a rubber hook plate 20 and a compression spring III 21; the limiting shell 19 is slidably connected to the rear wheel spindle of the children bicycle body 1, so that the limiting shell 19 cannot synchronously rotate along with the rear wheel of the children bicycle body 1, and the limiting shell 19 can limit the rotary hook plate 5 through movement, so that the speed limit of the children bicycle body 1 is relieved; four rubber hook plates 20 are connected to the front side of the turntable 2 at intervals, and the rubber hook plates 20 can be used for limiting the moved limiting shell 19; the two ends of the compression spring III 21 are respectively connected to the limiting shell 19 and the rear wheel spindle of the children bicycle body 1, so that the limiting shell 19 can be reset through the compression spring III 21 after moving.
When the child bicycle is used, when the child bicycle body 1 is not required to be limited in speed, the limiting shell 19 can be pressed to move backwards, the compression spring III 21 compresses, the limiting shell 19 clamps the rotary hook plate 5, and accordingly the limiting shell 19 limits the rotary hook plate 5, the rotary hook plate 5 cannot be centrifugally swung due to the turntable 2, the speed limit of the child bicycle body 1 can be relieved, and when the limiting shell 19 is clamped into the rubber hook plate 20, the rubber hook plate 20 clamps the limiting shell 19, and therefore the limiting shell 19 is limited; when the speed of the children bicycle body 1 needs to be limited again, the rubber hook plate 20 can be bent, so that the rubber hook plate 20 can loosen the limiting shell 19, the limiting shell 19 can move forwards to reset through the elastic force of the compression spring III 21, the limiting shell 19 can further loosen the rotary hook plate 5, and then the rubber hook plate 20 is loosened, so that the rubber hook plate 20 can be restored to the original state.
Referring to fig. 1, 9, 10 and 11, the auxiliary mechanism comprises a connecting frame 22, a sliding plate 23, an extension spring II 24, a roller rotating frame 25, a track 26, a movable plate 27, a touch frame 28, a wedge block 29, a compression spring IV 30 and a sliding frame 31; two connecting frames 22 are connected to the left and right sides of the rear side of the children bicycle body 1; the sliding plate 23 is connected to the connecting frame 22 in a sliding way, and two rollers are connected to the lower side of the sliding plate 23 in a rotating way; two ends of the extension spring II 24 are respectively connected to the connecting frame 22 and the sliding plate 23, so that the sliding plate 23 can reset through the extension spring II 24 after moving; the roller rotating frame 25 consists of rollers, rotating frames and torsion springs, the lower side of the sliding plate 23 is rotationally connected with two rotating frames, the rotating frames are rotationally connected with the rollers at intervals, and the torsion springs are connected between the rotating frames and the lower side of the sliding plate 23; the crawler belt 26 is wound on the rollers of the roller rotating frame 25, the upper end of the crawler belt 26 passes between the two rollers on the lower side of the sliding plate 23 in a contact manner, and the two rotating frames on the roller rotating frame 25 rotate to a horizontal state, so that the crawler belt 26 can be unfolded by the two rotating frames, and the crawler belt 26 can assist the child bicycle body 1 to move on a ladder; the movable plate 27 is connected to the rear side of the sliding plate 23 in a sliding manner; the touch frame 28 is connected to the bottom of the movable plate 27, and the two rotating frames capable of extruding the roller rotating frame 25 are moved by the touch frame 28 to rotate; the lower sides of the left side and the right side of the connecting frame 22 are both slidably connected with wedge blocks 29, and after the wedge blocks 29 are passed through the downward movement of the touch frame 28, the wedge blocks 29 can limit the touch frame 28; the two ends of the compression spring IV 30 are respectively connected to the wedge-shaped block 29 and the connecting frame 22, so that the wedge-shaped block 29 can be reset through the compression spring IV 30 after moving; the carriage 31 is slidably coupled to the top of the movable plate 27, and the wedge 29 is pressed by the movement of the carriage 31.
In the initial state, the wedge-shaped block 29 clamps the touch frame 28, so that the tension spring II 24 is a compression spring, and the torsion spring of the roller rotating frame 25 is in a deformation state because the touch frame 28 presses the rotating frame of the roller rotating frame 25; when the child bicycle body 1 needs to be pushed to go up and down stairs, the crawler 26 can be utilized to assist in moving on the stairs, so that people can push the child bicycle body 1 to move on the stairs, when the child needs to ride the child bicycle body 1, the child can step on the movable plate 27 to kick the movable plate 31 to move forward, the movable plate 31 extrudes the wedge block 29 to move forward, the compression spring IV 30 compresses, after the wedge block 29 loosens the touch frame 28, the tension spring II 24 drives the sliding plate 23, the roller rotating frame 25, the crawler 26, the movable plate 27, the touch frame 28 and the movable plate 31 to move upwards, the crawler 26 is separated from the ground, when the movable plate 31 is separated from the wedge block 29, the compression spring IV 30 drives the wedge block 29 to move backwards to reset, then the feet loosen the movable plate 27, at the moment, the torsion spring of the roller rotating frame 25 drives the movable plate 29 to rotate and retract, the two rotating frames drive the crawler 26 to form a V shape, and accordingly, the two rotating frames 28, the movable plate 27 and the movable plate 31 of the roller rotating frame 25 can move upwards after the movable plate 31 is extruded, and the movable plate 31 can move upwards; when the child bicycle body 1 needs to be pushed up and down for a step again, the movable plate 27 is stepped down to enable the movable plate 27 to drive the touch frame 28 and the sliding frame 31 to move downwards, so that the touch frame 28 extrudes two rotating frames of the roller rotating frame 25 to be unfolded reversely, the two rotating frames drive the tracks to be in a horizontal state, meanwhile, the torsion springs of the roller rotating frame 25 deform, when the movable plate 27 cannot move down on the sliding plate 23 any more, the movable plate 27 can drive the sliding plate 23, the roller rotating frame 25, the tracks 26, the touch frame 28 and the sliding frame 31 to move downwards together, the tension springs II 24 are compressed, so that the tracks 26 are in contact with the ground, when the touch frame 28 is in contact with the wedge 29, the touch frame 28 can extrude the wedge 29 to move forwards, the compression springs IV 30 are compressed, and after the touch frame 28 passes over the wedge 29, the compression springs IV 30 restore the original state, and the compression springs IV 30 drive the compression wedge 29 to move backwards to reset, so that the wedge 29 is blocked on the touch frame 28.
While the disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. The utility model provides an initiative speed limit children's bicycle with adjustable, includes children's bicycle body (1), characterized by, still including carousel (2), fixed shell (3), snap ring (4), rotatory board (5) that colludes, friction block (6), compression spring I (7), connecting rope (8), stop gear and adjustment mechanism, carousel (2) connect in children's bicycle body (1) rear wheel pivot is last, makes carousel (2) can follow children's bicycle body (1) rear wheel synchronous rotation, fixed shell (3) connect in on children's bicycle body (1), snap ring (4) swivelling joint in fixed shell (3), two rotatory board (5) all swivelling joint in carousel (2) are last, make carousel (2) can be right rotatory board (5) are got rid of and are moved in the centrifugation when rotating board (5) colludes snap ring (4) can drive snap ring (4) together rotation, friction block (6) sliding connection in fixed shell (3) are connected in on friction block (6) and compression spring I respectively in on both ends (6) are connected in friction block (6), make snap ring (4) can pass through when rotatory connecting rope (8) pulling friction block (6) remove, thereby make friction block (6) right snap ring (4) rubs, and then right snap ring (4) rotatory collude board (5) carousel (2) and the rear wheel of children bicycle body (1) slows down, so, can right children bicycle body (1) is overspeed-limiting, stop gear is used for right rotatory collude board (5) is spacing when resetting, adjustment mechanism is used for adjusting the overspeed-limiting value.
2. The adjustable active speed limiting children bicycle of claim 1, wherein the limiting mechanism comprises a connecting rod (9) and a limiting block (10), two ends of the connecting rod (9) are respectively connected to the two rotary hook plates (5) in a rotating mode, one rotary hook plate (5) can drive the other rotary hook plate (5) to reset when reset, the limiting block (10) is connected to the rotary disc (2), and the limiting block (10) is used for limiting when the rotary hook plates (5) reset.
3. An adjustable active speed limiting children bicycle as claimed in claim 2, wherein the adjusting mechanism comprises a sliding block (12) and an extension spring (13), a sliding groove (11) is formed in the rotary table (2), the sliding block (12) is slidably connected to the rotary table (2), the sliding block (12) slides in the sliding groove (11), two ends of the extension spring (13) are respectively connected to one of the rotary hook plate (5) and the sliding block (12), and the rotary hook plate (5) can be limited by the elastic force of the extension spring (i 13) through the movement of the sliding block (12), so that the speed limiting value of the children bicycle body (1) is adjusted.
4. An adjustable active speed limiting children bicycle according to claim 3, characterized in that the adjusting mechanism further comprises a clamping block (15), a push rod (16), a compression spring II (17) and an elastic rope (18), clamping grooves (14) are formed in the rotary disc (2) at intervals, the two clamping blocks (15) are connected to the sliding block (12) in a sliding mode, the clamping blocks (15) are clamped into the clamping grooves (14) to enable the clamping blocks (15) to limit the sliding block (12), the push rod (16) is connected to the sliding block (12) in a sliding mode, two ends of the compression spring II (17) are connected to the push rod (16) and the sliding block (12) respectively, and two ends of the elastic rope (18) are connected between the two clamping blocks (15) respectively.
5. The adjustable active speed limiting children bicycle of claim 4, further comprising a release mechanism, wherein the release mechanism comprises a limiting shell (19) and a rubber hook plate (20), the limiting shell (19) is slidably connected to a rear wheel spindle of the children bicycle body (1), the limiting shell (19) can limit the rotating hook plate (5) through movement, so that the speed limiting of the children bicycle body (1) is released, the rubber hook plate (20) is connected to the turntable (2), and the rubber hook plate (20) is used for limiting the limiting shell (19) after movement.
6. The adjustable active speed limiting children bicycle of claim 5, wherein the release mechanism further comprises a compression spring III (21), and two ends of the compression spring III (21) are respectively connected to the limit housing (19) and a rear wheel spindle of the children bicycle body (1), so that the limit housing (19) can be reset through the compression spring III (21) after moving.
7. The adjustable active speed-limiting children bicycle of claim 6, further comprising an auxiliary mechanism, wherein the auxiliary mechanism comprises a connecting frame (22), a sliding plate (23), an extension spring II (24), a roller rotating frame (25) and a crawler belt (26), the connecting frame (22) is connected to the children bicycle body (1), the sliding plate (23) is slidably connected to the connecting frame (22), two ends of the extension spring II (24) are respectively connected to the connecting frame (22) and the sliding plate (23), the roller rotating frame (25) is rotatably connected to the sliding plate (23), the crawler belt (26) is wound on the roller rotating frame (25), and the roller rotating frame (25) can expand the crawler belt (26) through rotation, so that the crawler belt (26) can assist the children bicycle body (1) to move on a ladder.
8. An adjustable active speed limiting children bicycle according to claim 7, wherein the auxiliary mechanism further comprises a movable plate (27) and a touch frame (28), the movable plate (27) is slidably connected to the sliding plate (23), the touch frame (28) is connected to the movable plate (27), and the roller rotating frame (25) can be extruded to rotate by moving the touch frame (28).
9. The adjustable active speed limiting children bicycle of claim 8, wherein the auxiliary mechanism further comprises a wedge block (29) and a compression spring IV (30), the wedge block (29) is slidably connected to the connecting frame (22), and after the touch frame (28) passes over the wedge block (29), the wedge block (29) can limit the touch frame (28), and two ends of the compression spring IV (30) are respectively connected to the wedge block (29) and the connecting frame (22).
10. An adjustable active speed limiting children's bicycle according to claim 9, wherein the auxiliary mechanism further comprises a sliding frame (31), the sliding frame (31) is slidably connected to the movable plate (27), and the wedge-shaped block (29) can be pressed by the sliding frame (31) moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311661321.1A CN117416456A (en) | 2023-12-05 | 2023-12-05 | Adjustable active speed-limiting children bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311661321.1A CN117416456A (en) | 2023-12-05 | 2023-12-05 | Adjustable active speed-limiting children bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN117416456A true CN117416456A (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311661321.1A Pending CN117416456A (en) | 2023-12-05 | 2023-12-05 | Adjustable active speed-limiting children bicycle |
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| CN (1) | CN117416456A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118004318A (en) * | 2024-04-08 | 2024-05-10 | 唐泽交通器材(泰州)有限公司 | Children bicycle brake and speed limiting structure thereof |
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2023
- 2023-12-05 CN CN202311661321.1A patent/CN117416456A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118004318A (en) * | 2024-04-08 | 2024-05-10 | 唐泽交通器材(泰州)有限公司 | Children bicycle brake and speed limiting structure thereof |
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