CN207389278U - The long vehicle of children - Google Patents

Abstract

The utility model is related to perambulator technical fields, a kind of long vehicle of children are disclosed, including vehicle frame and seat, vehicle frame entirety C-shaped in configuration, vehicle frame includes front-axle beam and the back rest, and the back rest takes the shape of the letter U, and the face that the back rest is formed is cambered surface, the upper end middle part of the back rest is equipped with connector sleeve, the side of connector sleeve is equipped with connector, and the upper end of front-axle beam is connected with connector, and the lower end of front-axle beam is equipped with front-wheel, the junction of front-wheel and front-axle beam is equipped with rotation seat, and the lower end of the back rest is equipped with trailing wheel；The upper end both sides of the back rest are equipped with and withhold, and the both sides of seat are equipped with sunpender, and the upper end of sunpender is connected with withholding, and the middle part of the back rest is equipped with bar.The utility model has interesting strong advantageous effect.

Description

The long vehicle of children

Technical field

The utility model is related to perambulator technical field more particularly to a kind of long vehicles of children.

Background technology

Perambulator be it is one main kind of among toy for children, including child's bicycle, children trolley, baby walker, Child's tricycle, five major class of children's electric motor vehicle.Among numerous perambulators, children trolley is popularized very much, and when children go out, parent will Child is put into cart, is then push perambulator and is gone out.However the seat of current children trolley be it is fixed with car body, very Steadily, when parent pushes perambulator movement, seat is steadily moved with the movement of perambulator, although stablizing, interesting poor, youngster It is virgin to be sitting on baby carriage seat and be weary of for a long time.

Utility model content

The utility model provides a kind of interest for the above problem existing for solving children trolley of the prior art The long vehicle of strong children.

To achieve these goals, the utility model adopts the following technical solution：

A kind of long vehicle of children, including vehicle frame and seat, the vehicle frame entirety C-shaped in configuration, vehicle frame include front-axle beam and The back rest, the back rest take the shape of the letter U, and the face that the back rest is formed is cambered surface, and the upper end middle part of the back rest is equipped with connector sleeve, connector sleeve Side is equipped with connector, and the upper end of the front-axle beam be connected with connector, the lower end of the front-axle beam equipped with front-wheel, the front-wheel and The junction of front-axle beam is equipped with rotation seat, and the lower end of the back rest is equipped with trailing wheel；The upper end both sides of the back rest are equipped with and withhold, institute The both sides for stating seat are equipped with sunpender, and the upper end of the sunpender is connected with withholding, and the middle part of the back rest is equipped with bar. Children sit on the seat, and parent holds bar and long vehicle is promoted to advance forward, and when long vehicle moves forward, seat can rock back and forth It is dynamic, so as to improve children enjoyment；And vehicle frame C-shaped in configuration, there is certain elasticity, long vehicle has when moving forward Certain vibration elastic can also improve interest.

Preferably, being equipped with U-shaped guardrail between the sunpender, both ends and the sunpender of the U-shaped guardrail are rotatablely connected, described On sunpender limited block is equipped with positioned at the downside of U-shaped guardrail.U-shaped guardrail plays the role of security protection, when children get on the bus, get off, U-shaped guardrail is dug upwards, U-shaped guardrail is turned to horizontal level after sitting straight and passes through limited block /V by children.

Preferably, being equipped with foot support frame on the downside of the front end of the seat, safety belt is additionally provided on the seat.Foot For shelving children foot, safety belt plays safe effect, prevents children from falling down from seat support feet.

Preferably, it is arranged with Anti-slip cover on the bar.Anti-slip cover plays the role of anti-skidding.

Preferably, the connector sleeve is an integral structure with connector, the both ends of the connector sleeve are equipped with spring catch, The back rest be equipped with the one-to-one annular groove of spring catch, the position between two annular grooves is located on the back rest is equipped with the One confined planes, the middle part of the connector sleeve are equipped with stud, and the stud inner end is equipped with briquetting, and the briquetting is pressed in the On one confined planes, the outer end of the stud is equipped with handler, and the inner wall of the connector sleeve is equipped with briquetting and avoids chamber, the stud The upper position between briquetting and the inner wall of connector sleeve is equipped with preloading spring.Outwards turn handler, briquetting and the first /V Face, which separates and enters briquetting, avoids intracavitary, and front-axle beam, the back rest are with regard to foldable at this time, with regard to that can be placed in automobile trunk after long vehicle folding It is interior, it is very convenient to carry；It needs, in use, by front-axle beam, back rest expansion, then inwardly to turn handler, briquetting is pressed in the first limit Plane upper limit, preloading spring play the role of preload, prevent long vehicle use from causing briquetting because of the reasons such as vibrations in the process It loosens, use is safer.

Preferably, connecting hole is equipped in the connector, and upper end and the connecting hole plug connection of the front-axle beam, institute The downside for stating connector is equipped with locking bolt, and the upper end of the front-axle beam is equipped with annular spacing groove, the bottom of the annular spacing groove Equipped with the second confined planes.Locking bolt is unclamped, by front-axle beam after the axis rotation 180 degree of connector, unclamps again connector sleeve, it will Front-axle beam and the back rest fold, and volume after folding smaller is easy to carry.

Preferably, the lower end of the back rest is fixed with axle sleeve, hind axle, the hind axle are equipped in the axle sleeve It is rotatablely connected with axle sleeve, one end of the hind axle is fixedly connected with trailing wheel, and the other end of hind axle is equipped with protector.Peace Protector plays the role of safeguard protection, when descending, if cart person unclamps bar because of a variety of causes, swings Long-drawn-out vehicle can accelerate to glide under the action of self gravitation along slope, there is very big security risk, safeguard protection in this structure Device in this case can auto lock hind axle so that trailing wheel stops operating, and entire long vehicle stops, and prevents accident.

Preferably, the protector includes left shell, right shell body, transmission shaft, the right end of transmission shaft stretches out the right side Outside housing, the right end of the transmission shaft is equipped with the shaft coupling with trailing wheel axis connection, and the outside of the right shell body is equipped with locating rod, fixed The outer end of position bar is equipped with anchor ear；The transmission shaft be equipped with cam disc, position-arresting disk, the cam disc, position-arresting disk with transmission Axis is fixedly connected, and is evenly distributed with several arc guide grooves on the periphery of the cam disc, two neighboring arc guide groove it Between position form boss, several ratchets are uniformly provided on the periphery of the position-arresting disk, the right shell body is equipped with shaft, institute The shaft stated is equipped with swing arm, and the swing arm and shaft are rotatablely connected, and one end of the swing arm extends to form pawl, swing arm it is another One end is equipped with clump weight, and tension spring is equipped between the clump weight and right shell body, and the periphery of the clump weight and cam disc supports It connects, when the rotating speed increase of transmission shaft, the amplitude of fluctuation increase of swing arm, clump weight is separated with the periphery of cam, and pawl is caught in Ratchet /V, transmission shaft stop operating.For long vehicle in descending, cart person holds bar, and long vehicle is controlled to move forward, this When speed it is consistent with the walking speed of cart person, rear wheel rotation speed is slower, rear wheel drive hind axle rotate, hind axle drive it is convex Wheel disc, position-arresting disk rotate synchronously, and cam disc rotates, and clump weight is remained under the action of tension spring and abutted with cam disc, pawl It is larger with the centre distance of position-arresting disk, it will not be caught in ratchet；It is unclamped as cart person because of various accidents or emergency situations Bar, at this time long vehicle lose pulling force effect and moved under gravity along descending acceleration, long vehicle translational speed Much larger than the walking speed of cart person, rear wheel rotation speed improves, and hind axle, transmission shaft, the synchronization of cam disc improve, cam disc Kinetic energy increase, the convex block on cam disc causes the amplitude of fluctuation of swing arm increase when hitting clump weight, and clump weight divides with cam disc From, the centre distance of pawl and position-arresting disk reduces at this time, and pawl is caught in ratchet /V, so that trailing wheel stops operating, it is long Vehicle just stopped after moving a small distance along descending, so as to play the role of safeguard protection.

Preferably, the center of the left shell, right shell body is equipped with bearing block, bearing, institute are equipped in the bearing block The transmission shaft stated is rotatablely connected with bearing；The transmission shaft is equipped with flange, and the cam disc, position-arresting disk pass through bolt and flange It is fixedly connected.

Preferably, the inside of the right shell body is equipped with sliding seat, slide bar, the axis of the slide bar are equipped in the sliding seat Line is vertical with the axis of transmission shaft, and the side of the sliding seat is equipped with long slot bore, and the shaft passes through the side of long slot bore and slide bar Face is vertically fixedly connected, and the upper end of the slide bar is connected with brake cable, and the bar is equipped with brake lever, the brake Handle is connected with brake cable, and the lower end of the slide bar is equipped with swing arm gag lever post, is equipped with and is arranged between the upper end of slide bar and right shell body Resetting spring in brake cable；When depressing brake lever, brake cable pulls slide bar upward sliding, and swing arm is subject to swing arm gag lever post /V, clump weight separates with cam disc.Sometimes cart person pushes long vehicle and plays in outdoor, runs into rainy situation, pushes away Che Zhehui pushes vehicle and runs, and rear wheel rotation speed is much larger than the speed of cart person's normal walking at this time, and trailing wheel can be locked by protector Only, in that case, it is necessary to pull lower brake lever when user needs to accelerate, brake lever pulls slide bar by brake cable It moves up, so that clump weight is kept completely separate with cam disc, no matter trailing wheel how quickly will not result in trailing wheel self-locking, pine Brake lever is opened, slide bar resets under the action of resetting spring.

Therefore, the utility model has the advantages that：（1）Interesting strong, children more like；（2）Folding can be facilitated It is folded, it can be put into after folding in automobile trunk, it is easy to carry；（3）It, can be certainly when long vehicle exceeds the speed limit with hypervelocity safety protection function Lock；Especially when descending, when cart person is accidentally unlocked bar, long vehicle can stop automatically after moving a small distance Only, use is safer.

Description of the drawings

Fig. 1 is a kind of structure diagram of the utility model.

Fig. 2 is the top view of vehicle frame in Fig. 1.

Fig. 3 is front-axle beam, connector sleeve, the explosive view of the back rest.

Fig. 4 is the cross-sectional view of connector sleeve.

Fig. 5 is the junction cross-sectional view of connector and front-axle beam.

Fig. 6 is the connection diagram of protector and trailing wheel.

Fig. 7 is the sectional view of protector.

Cam disc, position-arresting disk, the view of swing arm when Fig. 8 is long vehicle normal movement.

Cam disc, position-arresting disk, the view of swing arm when Fig. 9 exceeds the speed limit for long vehicle.

Figure 10 is the view of swing arm and cam disc when pulling lower brake lever.

Figure 11 is the structure diagram of swing arm.

In figure：Vehicle frame 1, seat 2, the back rest 4, front-wheel 5, rotation seat 6, trailing wheel 7, withhold 8, sunpender 9, bar at front-axle beam 3 10th, Anti-slip cover 11, U-shaped guardrail 12, limited block 13, foot support frame 14, axle sleeve 15, hind axle 16, brake cable 17, brake lever 18th, connector sleeve 100, connector 101, spring catch 102, annular groove 103, the first confined planes 104, locking bolt 105, annular stop Slot 106, the second confined planes 107, stud 200, briquetting 201, handler 202, briquetting avoid chamber 203, preloading spring 204, safety Protector 30, left shell 300, right shell body 301, transmission shaft 302, shaft coupling 303, locating rod 304, anchor ear 305, cam disc 306, Position-arresting disk 307, flange 308, arc guide groove 309, boss 310, ratchet 311, shaft 312, swing arm 313, pawl 314, counterweight Block 315, tension spring 316, sliding seat 317, slide bar 318, long slot bore 319, swing arm gag lever post 320, resetting spring 321, bearing 322.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and detailed description：

The long vehicle of a kind of children as shown in Figure 1, Figure 2 and Figure 3, including vehicle frame 1 and seat 2, the whole C-shaped knot of vehicle frame Structure, vehicle frame include front-axle beam 3 and the back rest 4, and the back rest takes the shape of the letter U, and the face that the back rest is formed is cambered surface, and the upper end middle part of the back rest, which is equipped with, to be connected Female connector 100, the side of connector sleeve are equipped with connector 101, and the upper end of front-axle beam is connected with connector, and the lower end of front-axle beam is equipped with front-wheel 5, The junction of front-wheel and front-axle beam is equipped with rotation seat 6, and the lower end of the back rest is equipped with trailing wheel 7；The upper end both sides of the back rest are equipped with and withhold 8, The both sides of seat 2 are equipped with sunpender 9, and the upper end of sunpender is connected with withholding, and the middle part of the back rest is equipped with bar 10, bar On be arranged with Anti-slip cover 11；U-shaped guardrail 12 is equipped between sunpender, both ends and the sunpender of U-shaped guardrail are rotatablely connected, are located on sunpender The downside of U-shaped guardrail is equipped with limited block 13, and foot support frame 14 is equipped on the downside of the front end of seat 2, safety belt is additionally provided on seat. Seat in the present embodiment can be changed to hanging basket in actual production, baby to be suitble to use.

As shown in Fig. 3, Fig. 4 and Fig. 5, connector sleeve 100 is an integral structure with connector 101, and the both ends of connector sleeve are equipped with Spring catch 102, the back rest 4 are equipped with annular groove 103 one-to-one with spring catch, the portion being located on the back rest between two annular grooves Position is equipped with the first confined planes 104, and the middle part of connector sleeve is equipped with stud 200, and stud inner end is equipped with briquetting 201, briquetting pressure On the first confined planes, the outer end of stud is equipped with handler 202, and the inner wall of connector sleeve is equipped with briquetting and avoids chamber 203, and stud is upper Position between briquetting and the inner wall of connector sleeve is equipped with preloading spring 204；Be equipped with connecting hole in connector 101, front-axle beam 3 it is upper End and connecting hole plug connection, the downside of connector are equipped with locking bolt 105, and the upper end of front-axle beam is equipped with annular spacing groove 106, ring The bottom of shape limiting slot is equipped with the second confined planes 107.

As shown in fig. 6, the lower end of the back rest 4 is fixed with axle sleeve 15, hind axle 16 is equipped in axle sleeve, hind axle is rotated with axle sleeve Connection, the right end of hind axle are fixedly connected with trailing wheel 7, and the left end of hind axle is equipped with protector 30；

As shown in Figure 7, Figure 8, protector 30 includes left shell 300, right shell body 301, transmission shaft 302, transmission shaft Right end is stretched out outside right shell body, and the right end of transmission shaft is equipped with the shaft coupling 303 being connected with hind axle 16, and the outside of right shell body, which is equipped with, determines Position bar 304, the outer end of locating rod are equipped with anchor ear 305, and anchor ear is connected with the back rest；

Left shell, the center of right shell body are equipped with bearing block, and bearing 322 is equipped in bearing block, and transmission shaft is rotated with bearing to be connected It connects；Transmission shaft 302 is equipped with cam disc 306, position-arresting disk 307, and transmission shaft 302 is equipped with flange 308, and cam disc, position-arresting disk lead to Bolt is crossed to be fixedly connected with flange；Several arc guide grooves 309 are evenly distributed on the periphery of cam disc 306, it is two neighboring Position between arc guide groove forms boss 310, and several ratchets 311, right shell body are uniformly provided on the periphery of 307 disk of /V Shaft 312 is equipped with, shaft is equipped with swing arm 313, and swing arm is rotatablely connected with shaft, and one end of swing arm extends to form pawl 314, The other end of swing arm is equipped with clump weight 315, and the circumference of tension spring 316, clump weight and cam disc is equipped between clump weight and right shell body Face abuts, and when the rotating speed increase of transmission shaft, the amplitude of fluctuation increase of swing arm, clump weight is separated with the periphery of cam, pawl Ratchet /V is caught in, transmission shaft stops operating.

As shown in Figure 8 and Figure 11, the inside of right shell body 301 is equipped with sliding seat 317, and slide bar 318, slide bar are equipped in sliding seat Axis it is vertical with the axis of transmission shaft, the side of sliding seat is equipped with long slot bore 319, and shaft 312 is through long slot bore and slide bar Side is vertically fixedly connected；The upper end of slide bar is connected with brake cable 17, as shown in Fig. 2, the both ends of bar 10 are equipped with brake hand Handle 18, brake lever is connected with brake cable, and the lower end of slide bar is equipped with swing arm gag lever post 320, between the upper end of slide bar and right shell body Equipped with the resetting spring 321 being set in brake cable；Depress brake lever when, brake cable pull slide bar upward sliding, swing arm by To the /V of swing arm gag lever post, clump weight is separated with cam disc, and the state of swing arm at this time is as shown in Figure 10.

With reference to attached drawing, the application method of the utility model is as follows：Children sit on the seat, cart person's hands grasping bar Long vehicle is promoted to advance forward, when long vehicle moves forward, seat can rock back and forth, so as to improve children enjoyment；And vehicle frame C-shaped in configuration, has certain elasticity, and long vehicle has certain vibration elastic, can also improve entertaining when moving forward Property；

For cart person on smooth road surface or during descending, cart person holds bar, and long vehicle is controlled to move forward, this When speed it is consistent with the walking speed of cart person, rear wheel rotation speed is slower, rear wheel drive hind axle rotate, hind axle drive it is convex Wheel disc, position-arresting disk rotate synchronously, and cam disc rotates, and clump weight is remained under the action of tension spring and abutted with cam disc, pawl It is larger with the centre distance of position-arresting disk, will not be caught in ratchet, swing arm at this time and cam disc, position-arresting disk state as shown in fig. 7, When long vehicle moves forward, cam disc, the rotation direction direction as shown by arrows in FIG. of position-arresting disk, long vehicle is with normal speed It moves forward；It is long at this time if cart person causes to have unclamped bar because of various accidents or emergency situations in descending Vehicle loses pulling force effect and is moved under gravity along descending acceleration, the long long-range normal movement speed of vehicle translational speed Degree, rear wheel rotation speed improve, and hind axle, transmission shaft, the synchronization of cam disc improve, the kinetic energy increase of cam disc, on cam disc Convex block hit clump weight when the amplitude of fluctuation of swing arm is increased, clump weight is separated with cam disc, as shown in figure 9, spine at this time The centre distance of pawl and position-arresting disk reduces, and pawl is caught in ratchet /V, so that trailing wheel self-locking, long vehicle is moved along descending It just stopped after a small distance, so as to play the role of safeguard protection；In the actual production process, technical staff can basis It needs to change the weight of counterweight 315 and the stiffness factor of tension spring 316, required minimum during so as to which trailing wheel being controlled to reach self-locking Rotating speed, such as can be by 1.5 times of the rotational speed regulation of trailing wheel self-locking to the adult normal speed of travel, i.e., the translational speed of long vehicle During more than 1.5 times of the adult normal speed of travel, the trailing wheel of long vehicle will self-locking, so as to play the role of safeguard protection；

When cart person actively needs to improve the speed of long vehicle, such as the long vehicle of cart person's cart is run, in this kind of feelings Under condition, two hands of cart person need to pull lower brake lever simultaneously, and brake lever pulls slide bar to move up by brake cable, from And so that clump weight is kept completely separate with cam disc, as shown in Figure 10, no matter trailing wheel how quickly will not result in trailing wheel self-locking, pine Brake lever is opened, slide bar resets under the action of resetting spring；

When the long vehicle is needed to store or carried, connector sleeve, connector are unclamped, axis of the front-axle beam around connector is revolved After turnback, 180 degree is rotated further along the axis of connector sleeve, front-axle beam and the back rest can just be folded, then stored Come, take up space small, the long vehicle after folding can also be directly loadable into automobile trunk, very convenient to carry.

Claims (10)

1. a kind of long vehicle of children, including vehicle frame and seat, it is characterized in that, the vehicle frame entirety C-shaped in configuration, vehicle frame includes Front-axle beam and the back rest, the back rest take the shape of the letter U, and the face that the back rest is formed is cambered surface, and the upper end middle part of the back rest is equipped with connector sleeve, even The side of female connector is equipped with connector, and the upper end of the front-axle beam is connected with connector, and the lower end of the front-axle beam is equipped with front-wheel, described The junction of front-wheel and front-axle beam is equipped with rotation seat, and the lower end of the back rest is equipped with trailing wheel；The upper end both sides of the back rest are equipped with It withholds, the both sides of the seat are equipped with sunpender, and the upper end of the sunpender is connected with withholding, and the middle part of the back rest is equipped with Bar.

2. the long vehicle of children according to claim 1, it is characterized in that, U-shaped guardrail, the U-shaped are equipped between the sunpender The both ends of guardrail are rotatablely connected with sunpender, and the downside that U-shaped guardrail is located on the sunpender is equipped with limited block.

3. the long vehicle of children according to claim 1, it is characterized in that, foot support is equipped on the downside of the front end of the seat Frame is additionally provided with safety belt on the seat.

4. the long vehicle of children according to claim 1, it is characterized in that, it is arranged with Anti-slip cover on the bar.

5. the long vehicle of children according to claim 1, it is characterized in that, the connector sleeve is integral type knot with connector Structure, the both ends of the connector sleeve are equipped with spring catch, the back rest be equipped with the one-to-one annular groove of spring catch, the back rest is upper Position between two annular grooves is equipped with the first confined planes, and the middle part of the connector sleeve is equipped with stud, the spiral shell Column inner end is equipped with briquetting, and the briquetting is pressed on the first confined planes, and the outer end of the stud is equipped with handler, the connector sleeve Inner wall be equipped with briquetting and avoid chamber, the position on the stud positioned at briquetting and the inner wall of connector sleeve between is equipped with preload bullet Spring.

6. the long vehicle of children according to claim 1 or 5, it is characterized in that, connecting hole, institute are equipped in the connector The upper end of front-axle beam and connecting hole plug connection are stated, the downside of the connector is equipped with locking bolt, and the upper end of the front-axle beam is equipped with Annular spacing groove, the bottom of the annular spacing groove are equipped with the second confined planes.

7. the long vehicle of children according to claim 1, it is characterized in that, the lower end of the back rest is fixed with axle sleeve, described Hind axle is equipped in axle sleeve, the hind axle is rotatablely connected with axle sleeve, and one end of the hind axle is fixedly connected with trailing wheel, after The other end of wheel shaft is equipped with protector.

8. the long vehicle of children according to claim 7, it is characterized in that, the protector includes left shell, right shell Body, transmission shaft, the right end of transmission shaft are stretched out outside right shell body, and the right end of the transmission shaft is equipped with the shaft coupling with trailing wheel axis connection, The outside of the right shell body is equipped with locating rod, and the outer end of locating rod is equipped with anchor ear；The transmission shaft is equipped with cam disc, /V Disk, the cam disc, position-arresting disk are fixedly connected with transmission shaft, and several arcs are evenly distributed on the periphery of the cam disc Shape guide groove, the position between two neighboring arc guide groove forms boss, if being uniformly provided on the periphery of the position-arresting disk Dry ratchet, the right shell body are equipped with shaft, and the shaft is equipped with swing arm, and the swing arm is rotatablely connected with shaft, described One end of swing arm extends to form pawl, and the other end of swing arm is equipped with clump weight, tension spring is equipped between the clump weight and right shell body, The clump weight is abutted with the periphery of cam disc, when the rotating speed increase of transmission shaft, the amplitude of fluctuation increase of swing arm, and counterweight Block is separated with the periphery of cam, and pawl is caught in ratchet /V, and transmission shaft stops operating.

9. the long vehicle of children according to claim 8, it is characterized in that, the left shell, the center of right shell body are equipped with bearing Seat, the bearing block is interior to be equipped with bearing, and the transmission shaft is rotatablely connected with bearing；The transmission shaft is equipped with flange, institute State cam disc, position-arresting disk is fixedly connected by bolt with flange.

10. the long vehicle of children according to claim 8 or claim 9, it is characterized in that, the inside of the right shell body is equipped with sliding seat, Slide bar is equipped in the sliding seat, the axis of the slide bar is vertical with the axis of transmission shaft, and the side of the sliding seat is equipped with length Slot, the shaft are fixedly connected through long slot bore is vertical with the side of slide bar, and the upper end of the slide bar is connected with brake cable, institute Bar is stated equipped with brake lever, the brake lever is connected with brake cable, and the lower end of the slide bar is equipped with swing arm /V Bar is equipped with the resetting spring being set in brake cable between the upper end of slide bar and right shell body；When depressing brake lever, brake cable is drawn Moving slide-bar upward sliding, swing arm are subject to the /V of swing arm gag lever post, and clump weight is separated with cam disc.