CN217294806U - Be suitable for children's amusement four-wheel car - Google Patents

Abstract

The utility model discloses a four-wheel vehicle suitable for children entertainment, which comprises a frame, a steering mechanism, a transmission mechanism, a vehicle cover, a fixed frame, a seat and a limiting mechanism; the steering mechanism is arranged at the front part of the frame; the transmission mechanism is arranged at the rear part of the frame, and a rear wheel rotating shaft of the frame is provided with a combined flywheel; the vehicle cover is arranged on the vehicle frame; the fixed frame is arranged at the rear part of the frame, and a limiting mechanism is arranged between the fixed frame and the seat; the limiting mechanism comprises a limiting block and a limiting deflector rod which are arranged on the fixing frame; the scheme adopts a driving mode of combining the pedals and the motor, flexibly switches the driving mode of the four-wheel vehicle, increases the entertainment flexibility of the four-wheel vehicle, and can be suitable for children in different age groups to use by adjusting the position of the seat; by reducing the turning radius, the phenomenon that the vehicle body turns on one side due to the fact that the vehicle speed is high is avoided.

Description

Be suitable for children's amusement four-wheel car

The technical field is as follows:

the utility model relates to a children's articles for use technical field, concretely relates to be suitable for children's amusement four-wheel car.

Background art:

present bassinet is of a great variety, like two-wheeled bicycle, tricycle bicycle and four-wheel vehicle, only considers from stability and safety, and children's four-wheel vehicle has occupied the advantage in this aspect, and is healthy for improving children simultaneously, obtains taking exercise through the amusement, increases children's amusement taste, and the children four-wheel vehicle of present market circulation is mostly bicycle and electric motor car, but from the amusement angle, still has some problems and can not solve:

1) compared with the prior pedal baby carrier, the bicycle type structure is single and fixed, and the distance between the seat and the pedal can not be suitable for children of different ages to use for entertainment;

2) although the entertainment effect of the pedal quadricycle is improved, the children can feel tired in the entertainment use process, the pedal quadricycle can only play for a period of time, and the electric quadricycle has relatively poor entertainment effect and lacks entertainment and flexibility;

3) when the electric four-wheel vehicle turns, the vehicle body with a large turning radius can generate a rollover phenomenon because the vehicle speed is high.

The invention content is as follows:

in order to solve the defects in the prior art, the utility model aims to provide a four-wheel vehicle suitable for children to play.

The technical scheme content of the utility model is as follows:

a four-wheel vehicle suitable for children entertainment comprises a frame, a steering mechanism, a transmission mechanism, a vehicle cover, a fixing frame, a seat and a limiting mechanism; the steering mechanism is arranged at the front part of the frame; the transmission mechanism is arranged at the rear part of the frame, and a combined flywheel is arranged on the transmission mechanism; the combined flywheel is connected with a rear wheel rotating shaft key of the frame, and the cover is arranged on the frame; the fixing frame is arranged on the upper surface of the rear part of the frame, and a limiting mechanism is arranged between the fixing frame and the seat; stop gear is including setting up stopper and spacing driving lever on the mount, set up the dovetail along the automobile body direction on the mount, the limiting plate is fixed in the dovetail, the seat bottom be provided with the dovetail with limiting plate matched with slider set up the logical groove of sliding in the slider, spacing driving lever slides and sets up at the logical inslot of sliding, be fixed with the spacing post of a plurality of on the spacing driving lever, spacing post is worn out extremely from the logical inslot of sliding the slider is close to one side of limiting plate seted up on the limiting plate with spacing post assorted spacing hole, spacing post activity insert locate spacing downthehole.

Preferably, the vehicle bumper comprises a crash cushion device, wherein the crash cushion device comprises a front frame, a guide rod and a compression spring; a guide rod is fixed on the front frame, a through hole corresponding to the guide rod is formed in the front end face of the frame, the guide rod is slidably arranged in the through hole in a penetrating mode, and a limiting block is fixed at one end, far away from the front frame, of the guide rod; a compression spring is fixed on the front end face of the frame, and an annular groove corresponding to the compression spring is formed in one side, close to the frame, of the front frame.

Preferably, the steering mechanism comprises two rotating parts, a steering rod, two connecting rods, a steering rod and a steering wheel; each rotating part is hinged with the frame, a front wheel is fixed on each rotating part, and each rotating part is hinged with one end of a connecting rod; the other end of each connecting rod is hinged with two ends of the steering rod respectively; the steering mechanism is characterized in that a rack is arranged on the end face of the upper middle part of the steering rod, a gear is fixed at one end of the steering rod and meshed with the rack, and a steering wheel is fixed at the other end of the steering rod.

Preferably, the steering mechanism further comprises a protective fixing frame, the protective fixing frame is fixed on the upper surface of the front portion of the frame, a rotating through hole matched with the protective fixing frame is formed in the protective fixing frame, the steering rod is rotatably arranged in the protective fixing frame in a penetrating mode, and the portion, meshed with the gear rack, of the gear is arranged in the protective fixing frame.

Preferably, the transmission mechanism comprises a rear wheel rotating shaft, a combined flywheel, a pedal chain wheel, a motor and a clutch; the combined flywheel comprises a check ring type bicycle flywheel, a first transmission gear and a sleeve, the check ring type bicycle flywheel further comprises an inner core and an outer shell, the outer shell is sleeved on the outer side of the inner core, the middle of the inner core on the check ring type bicycle flywheel and the first transmission gear is fixedly connected through the sleeve, and the sleeve is sleeved on the rear wheel rotating shaft; the bicycle is characterized in that the pedal chain wheel is arranged in the middle of the frame, a crank is mounted on the pedal chain wheel, a pedal plate is mounted on the crank, a shell on the non-return ring type bicycle flywheel is connected with the pedal chain wheel through a chain, a motor is mounted on the frame, an output shaft of the motor is connected with an input shaft of the clutch, a second transmission gear is fixed on an output shaft of the clutch, and the second transmission gear is meshed with or separated from the first transmission gear.

Preferably, a detachable protective cover is installed between the pedal chain wheel and the fixed frame, and the pedal chain wheel and the chain are arranged in the protective cover.

The utility model has the advantages that:

the scheme adopts a driving mode of combining the pedals and the motor, flexibly switches the driving mode of the four-wheel vehicle, increases the entertainment flexibility of the four-wheel vehicle, and can be suitable for children in different age groups to use by adjusting the position of the seat; by reducing the turning radius, the phenomenon that the vehicle body turns on one's side due to the fact that the vehicle speed is fast is avoided.

Description of the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic structural diagram of a combined flywheel;

FIG. 6 is a schematic structural view of a limiting mechanism;

FIG. 7 is a schematic structural view of the fixing frame;

FIG. 8 is a schematic view of the seat construction;

FIG. 9 is a schematic view of a limiting lever;

fig. 10 is a schematic view of the movement principle of the steering mechanism.

Description of the reference numerals:

1-a frame, 2-an anti-collision buffer device, 2.1-a front frame, 2.2-a compression spring, 2.3-a guide rod, 2.4-a through hole, 2.5-a limit block, 2.6-a ring groove, 3-a steering mechanism, 3.1-a rotating piece, 3.2-a steering rod, 3.3-a connecting rod, 3.4-a rotating rod, 3.5-a steering wheel, 3.6-a protective fixing frame, 3.7-a rotating through hole, 4-a transmission mechanism, 4.1-a rear wheel rotating shaft, 4.2-a combined flywheel, 4.2.1-a non-return ring type bicycle flywheel, 4.2.1.1-a shell, 4.2.1.2-an inner core, 4.2.2-a first transmission gear, 4.2.3-a sleeve, 4.3-a pedal chain wheel, 4.3.1-a crank, 4.3.2-a pedal plate, 4.4.4-a motor, 4.5-a clutch, 4.6-a second transmission gear, 5-a cover, 6-a fixed frame, 6.1-a dovetail groove, 7-a seat, 7.1-a sliding block, 7.1.1-a sliding through groove, 7.2-a sliding groove, 8-a limiting mechanism, 8.1-a limiting plate, 8.1.1-a limiting hole, 8.2-a limiting deflector rod, 8.2.1-a limiting column and 9-a protective cover.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1, 3 and 4, a children's amusement four-wheeled vehicle includes: the anti-collision device comprises a frame 1, an anti-collision buffer device 2, a steering mechanism 3, a transmission mechanism 4, a bonnet 5, a fixed frame 6, a seat 7 and a limiting mechanism 8.

The crash cushion 2 comprises a front frame 2.1, a guide bar 2.3 and a compression spring 2.2. A guide rod 2.3 is fixed on the front frame 2.1, a through hole 2.4 corresponding to the guide rod 2.3 is arranged on the front end surface of the frame 1, the guide rod 2.3 is slidably arranged in the through hole 2.4 in a penetrating way, and a limiting block 2.5 is fixed at one end of the guide rod 2.3 far away from the front frame 2.1; a compression spring 2.2 is fixed on the front end face of the frame 1, and an annular groove 2.6 corresponding to the compression spring 2.2 is formed in one side of the front frame 2.1 close to the frame 1. When the front frame 2.1 collides with an obstacle, the frame 1 elastically compresses the compression spring in the annular groove 2.6 in the front frame 2.1 due to the driving inertia, so that the impact of the frame 1 is reduced.

As shown in fig. 2 and 10, the steering mechanism 3 is disposed at the front of the frame 1, and the steering mechanism 3 includes two rotating members 3.1, a steering rod 3.2, two connecting rods 3.3, a rotating rod 3.4, a steering wheel 3.5, and a protective fixing frame 3.6. Each rotating part 3.1 is hinged with the frame 1, a front wheel is fixed on each rotating part 3.1, and a brake device can be installed on the front wheel to control the speed of the four-wheel vehicle. Each rotating piece 3.1 is hinged with one end of one adjacent connecting rod 3.3; the other end of each connecting rod 3.3 is hinged with two ends of a steering rod 3.2 respectively; a rack is arranged on the end face of the upper middle part of the steering rod 3.2, a gear is fixed at one end of the steering rod 3.4, the gear is meshed with the rack, and a steering wheel 3.5 is fixed at the other end of the steering rod 3.4. The protective fixing frame 3.6 is fixed on the upper surface of the front part of the frame 1, the protective fixing frame 3.6 is provided with a rotating through hole 3.7 matched with the protective fixing frame, the steering rod 3.2 is rotatably arranged in the protective fixing frame 3.6 in a penetrating way, and the parts of the gears meshed with the racks are arranged in the protective fixing frame 3.6. The steering mechanism 3 is designed to control the rack through gear rotation, so that the steering rod 3.2 can only move in the left and right directions along the rotation through hole 3.7, the rotation radius of the rotation part 3.1 during rotation is reduced, and the phenomenon that the vehicle body turns on one side due to the fact that the vehicle speed is high is avoided. This protection mount 3.6 top terminal surface slope sets up can effectively reduce the piling up of dust or dust, reduces the influence to steering mechanism 3, and simultaneously, this terminal surface can also provide children and carry out pedal rest.

As shown in fig. 2, fig. 3 and fig. 5, the transmission mechanism 4 is arranged at the rear part of the frame 1, and the transmission mechanism 4 comprises a rear wheel rotating shaft 4.1, a combined flywheel 4.2, a pedal chain wheel 4.3, a motor 4.4 and a clutch 4.5. A combined flywheel 4.2 is arranged on a rear wheel rotating shaft 4.1 of the frame 1; the combined flywheel 4.2 also comprises a check ring type bicycle flywheel 4.2.1, a first transmission gear 4.2.2 and a sleeve 4.2.3. The non-return ring type bicycle flywheel 4.2.1 is the prior known technology, the effect can effectively prevent the problem that rainwater, dust and easy rust cause the failure of the flywheel or the rust death, the service life of the flywheel is prolonged, and the stability is good. An inner core 4.2.1.2 on the non-return ring type bicycle flywheel 4.2.1 is fixed with a first transmission gear 4.2.2 through a sleeve 4.2.3, the inner core 4.2.1.2 on the non-return ring type bicycle flywheel 4.2.1 is fixed on a rear wheel rotating shaft 4.1, and a shell 4.2.1.1 on the non-return ring type bicycle flywheel 4.2.1 is matched and connected with a chain; the bicycle is characterized in that a pedal chain wheel 4.3 is arranged in the middle of the bicycle frame 1, a crank 4.3.1 is arranged on the pedal chain wheel 4.3, a pedal 4.3.2 is arranged on the crank 4.3.1, a check ring type bicycle flywheel 4.2.1 is connected with the pedal chain wheel 4.3 through a chain, a motor 4.4 is arranged on the bicycle frame 1, an output shaft of the motor 4.4 is connected with an input shaft of a clutch 4.5, the clutch 4.5 is specifically an electromagnetic clutch, a second transmission gear 4.6 is fixed on the output shaft of the clutch 4.5, and the second transmission gear 4.6 is meshed with or separated from the first transmission gear 4.2.2. The transmission mechanism 4 controls the second transmission gear 4.6 to be meshed with or separated from the first transmission gear 4.2.2 through the clutch 4.5, so that the flexible switching between pedal driving and electric driving is realized, and the problem that children can also adopt an electric driving mode to carry out entertainment driving when being tired in the entertainment process is solved.

As shown in fig. 1, the hood 5 is provided at the upper front portion of the body frame 1, and the shape of the hood 5 is a shape simulating a vehicle body, and the simulation adjustment is performed according to the preference of a child. The fixed mount 6 is arranged on the rear part of the frame 1, and a limiting mechanism 8 is arranged between the fixed mount 6 and the seat 7.

As shown in fig. 6, 7, 8 and 9, the limiting mechanism 8 includes a limiting block 2.5 and a limiting driving lever 8.2, which are disposed on the fixing frame 6, the fixing frame 6 is provided with a dovetail groove 6.1 along the vehicle body direction, the limiting block 8.1 is fixed in the dovetail groove 6.1, the bottom of the seat 7 is provided with a sliding block 7.1 matched with the dovetail groove 6.1 and the limiting block 8.1, a sliding through groove 7.1.1 is disposed in the sliding block 7.1, the limiting driving lever 8.2 is slidably disposed in the sliding through groove 7.1.1, the limiting driving lever 8.2 is fixed with a plurality of limiting posts 8.2.1, the limiting posts 8.2.1 penetrate out of the sliding through groove 7.1.1 to one side of the sliding block 7.1 close to the limiting block 8.1, the limiting plate 8.1 is provided with limiting holes 8.1.1 matched with the limiting posts 8.2.1, and the limiting posts 8.2.1 are movably inserted in the limiting holes 8.1.1. The position of the seat 7 is adjusted by sliding the seat 7 to a proper distance and toggling a limit deflector rod 8.2 in the limit mechanism 8, so that the children who are suitable for different age groups can be entertained and used. A detachable protective cover 9 is arranged between the pedal chain wheel 4.3 and the fixed frame 6, and the pedal chain wheel 4.3 and a chain are arranged in the protective cover 9 and used for preventing accidents caused by curiosity of children.

The use process comprises the following steps:

when the four-wheel vehicle is used by pedaling, the crank 4.3.1 drives the pedal chain wheel 4.3 to rotate, when the chain on the pedal chain wheel 4.3 drives the check ring type bicycle flywheel 4.2.1 to rotate clockwise, the check ring type bicycle flywheel 4.2.1 synchronously drives the rear wheel rotating shaft 4.1 to rotate clockwise, and the first transmission gear 4.2.2 and the second transmission gear 4.6 are in a separated state, so that the four-wheel vehicle can run forwards by pedaling; when the chain on the pedal chain wheel 4.3 drives the check ring type bicycle flywheel 4.2.1 to rotate anticlockwise, the outer shell 4.2.1.1 on the check ring type bicycle flywheel 4.2.1 idles relative to the inner core 4.2.1.2, so that the rear wheel rotating shaft 4.1 does not rotate, and the first transmission gear 4.2.2 and the second transmission gear 4.6 are in a separated state at the moment and cannot drive the four-wheel vehicle to run.

When the clutch 4.5 controls the first transmission gear 4.2.2 and the second transmission gear 4.6 to be engaged, the second transmission gear 4.6 synchronously drives the rear wheel rotating shaft 4.1 and the inner core 4.2.1.2 on the check ring type bicycle flywheel 4.2.1 to rotate in the rotation process of the motor 4.4, so that the four-wheel vehicle runs forwards, and meanwhile, the outer shell 4.2.1.1 on the check ring type bicycle flywheel 4.2.1 idles relative to the inner core 4.2.1.2, so that the influence on the pedal chain wheel 4.3 in the rotation process of the motor 4.4 is not influenced. Meanwhile, the problem of later failure of the flywheel is solved by adopting the non-return ring type bicycle flywheel 4.2.1, the problem of harm to a body caused by rotation of the crank 4.3.1 is solved, and the service life of the four-wheel vehicle is prolonged.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A four-wheel vehicle suitable for children entertainment is characterized by comprising a frame, a steering mechanism, a transmission mechanism, a vehicle cover, a fixing frame, a seat and a limiting mechanism; the steering mechanism is arranged at the front part of the frame; the transmission mechanism is arranged at the rear part of the frame, and a combined flywheel is arranged on the transmission mechanism; the combined flywheel is connected with a rear wheel rotating shaft key of the frame, and the cover is arranged on the frame; the fixing frame is arranged on the upper surface of the rear part of the frame, and a limiting mechanism is arranged between the fixing frame and the seat; stop gear is including setting up stopper and the spacing driving lever on the mount, set up the dovetail along the automobile body direction on the mount, the dovetail internal fixation has a limiting plate, the seat bottom be provided with the dovetail with limiting plate matched with slider set up the slip logical groove in the slider, spacing driving lever slides and sets up at the logical inslot that slides, be fixed with the spacing post of a plurality of on the spacing driving lever, spacing post is worn out extremely from the logical inslot that slides the slider is close to one side of limiting plate seted up on the limiting plate with spacing post assorted spacing hole, spacing post activity is inserted and is located spacing downthehole.

2. The children's amusement four-wheeled vehicle according to claim 1, further comprising a crash cushion device, said crash cushion device comprising a front frame, a guide rod and a compression spring; a guide rod is fixed on the front frame, a through hole corresponding to the guide rod is formed in the front end face of the frame, the guide rod penetrates through the through hole in a sliding mode, and a limiting block is fixed at one end, far away from the front frame, of the guide rod; a compression spring is fixed on the front end face of the frame, and an annular groove corresponding to the compression spring is formed in one side, close to the frame, of the front frame.

3. The children's amusement four-wheeled vehicle according to claim 1, wherein the steering mechanism comprises two rotating members, a steering rod, two connecting rods, a steering rod and a steering wheel; each rotating part is hinged with the frame, a front wheel is fixed on each rotating part, and each rotating part is hinged with one end of a connecting rod; the other end of each connecting rod is hinged with two ends of the steering rod respectively; the steering mechanism is characterized in that a rack is arranged on the end face of the upper middle part of the steering rod, a gear is fixed at one end of the steering rod and meshed with the rack, and a steering wheel is fixed at the other end of the steering rod.

4. The children's amusement four-wheel vehicle as claimed in claim 3, wherein the steering mechanism further comprises a protective fixing frame, the protective fixing frame is fixed on the upper surface of the front portion of the frame, the protective fixing frame is provided with a rotating through hole matched with the protective fixing frame, the steering rod is rotatably arranged in the protective fixing frame in a penetrating mode, and the portion, meshed with the gear and the rack, of the gear is arranged in the protective fixing frame.

5. The children's amusement four-wheeled vehicle as claimed in claim 1, wherein the transmission mechanism comprises a rear wheel rotating shaft, a combined flywheel, a pedal chain wheel, a motor and a clutch; the combined flywheel comprises a non-return ring type bicycle flywheel, a first transmission gear and a sleeve, the non-return ring type bicycle flywheel further comprises an inner core and an outer shell, the outer shell is sleeved on the outer side of the inner core, the inner core on the non-return ring type bicycle flywheel is fixedly connected with the middle of the first transmission gear through the sleeve, the inner core and the first transmission gear are in key connection with the rear wheel rotating shaft, and the sleeve is sleeved on the rear wheel rotating shaft; the bicycle is characterized in that the pedal chain wheel is arranged in the middle of the frame, a crank is mounted on the pedal chain wheel, a pedal plate is mounted on the crank, a shell on the non-return ring type bicycle flywheel is connected with the pedal chain wheel through a chain, a motor is mounted on the frame, an output shaft of the motor is connected with an input shaft of the clutch, a second transmission gear is fixed on an output shaft of the clutch, and the second transmission gear is meshed with or separated from the first transmission gear.

6. A child-adapted amusement four-wheeled vehicle according to claim 5, wherein a removable shield is mounted between said pedal sprocket and said mounting bracket, said shield enclosing said pedal sprocket and said chain.

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