CN208149510U - A kind of safety-type child's tricycle that can control steering afterwards - Google Patents

Abstract

A kind of safety-type child's tricycle that can control steering afterwards, it includes vehicle frame and two rear-wheels set on vehicle frame rear end, push rod, saddle in the middle part of vehicle frame, vehicle frame front end is equipped with the sleeve that installation turns to column, it turns to column and connects steering handle, steering base is installed in the sleeve, front fork is fixedly connected by the preceding fork shaft of the upper end with steering base, so that front fork by steering base can left/right rotation dynamic formula be mounted in sleeve, the preceding fork shaft top is provided with locating slot, correspondingly, it turns in column and is provided with guide sleeve, the inner hole top of guide sleeve is provided with positive stop lug boss.The utility model has the beneficial effects that：When selecting children's control model, front fork is fixedly connected with front handlebar is turned to, therefore children can operating handle control front-drive direction realization turning function.When selecting parent's control model, steering handle and front fork are detached from, and rotation front handlebar will not can control front-wheel steer.

Description

A kind of safety-type child's tricycle that can control steering afterwards

Technical field

The utility model relates to a kind of articles for children, specifically a kind of safety-type child's tricycle that can control steering afterwards.

Background technique

It is more with technology disclosed in application number 02162287.2 in the child's tricycle occurred currently on the market, including Vehicle frame, vehicle seat, front vehicle wheel, rear wheel, Chinese herbaceous peony handle, hand-pushing handle, Chinese herbaceous peony handle are fixed in a fixed plate, its hand push turns It is achieved in that front direction adjusts pipe close by being fixedly connected in fixed plate, thus with two Chinese herbaceous peony handles to control structure Hand is fixed together, and front direction adjusts pipe close and is rotatably connected on the preceding standpipe of frame tube, back axle and frame tube Fixation connects together, and hand-pushing handle rotationally links together with frame tube, and rear direction adjusts pipe close fixation and is located on hand-pushing handle, The both ends for turning to rigid metal item are connected to front direction and adjust on the same side of pipe close and rear direction adjusting pipe close.It is rotating When direction, by rotating hand-pushing handle, rear direction is driven to adjust pipe close rotation, rear direction adjusts pipe close and rigidity metal strip is driven to move Dynamic, rigidity metal strip affects front direction to adjust pipe close rotation, thus handlebar rotation before driving.But there is it is following not Foot：Structure is complicated, high production cost, and steering operation resistance is big, and operating difficulties is inconvenient.When turning between metal strip and vehicle frame Gap can change, so being easy to crush children, there is biggish security risks.The course changing control mechanism of this perambulator In, headstock handle always with the hand-pushing handle synchronization action after vehicle, the adult after vehicle want by hand-pushing handle control vehicle to when, sit Children understand both hands and grasp handlebar in vehicle, the steering of perambulator are directly affected, so that adult's operating difficulties.It is at this time if interior Children do not understand that cooperation handlebar turns to, and when holding handle and not putting, if adult's operating handle turns to, the rotation of handlebar can Directly children can be hauled out outside vehicle, or children's hand muscle is caused to pull, there are certain when so this perambulator being turned to Risk.It is therefore desirable to make further improve to existing perambulator to modify.

Utility model content

The purpose of this utility model is to overcome prior art there are the shortcomings that, it is simple to provide a kind of structure, user Just, children are able to achieve and individually control the toy tricycle for turning to and individually controlling with parent and turning to both of which.

The utility model aim is realized with the following methods：A kind of safety-type child's tricycle that can control steering afterwards, Including vehicle frame and set on two rear-wheels, push rod, the saddle in the middle part of vehicle frame of vehicle frame rear end, it is vertical that vehicle frame front end is equipped with installation steering The sleeve of column turns to column and connects steering handle, it is characterised in that：Steering base is installed, front fork passes through it in the sleeve The preceding fork shaft of upper end is fixedly connected with steering base so that front fork by steering base can left/right rotation dynamic formula be mounted in sleeve, it is described Preceding fork shaft top be provided with locating slot, correspondingly, turn in column and be provided with guide sleeve, the inner hole top setting of guide sleeve There is positive stop lug boss, be additionally provided with conversion sleeve outside the sleeve, operating mechanism, operating mechanism driving setting are provided on conversion sleeve Locking plate radial motion in conversion sleeve, the preceding fork shaft surface be axially distributed with butt joint ring with separate ring, locking plate insertion pair When connecing ring, positive stop lug boss is docked with locating slot, and children can operate front fork by steering handle and turn to, and guide sleeve is lifted up, and is locked When piece insertion separation ring, positive stop lug boss is separated with locating slot, and front fork is in and state is freely rotated, before parent can be driven by push rod Fork turns to.

The butt joint ring and separation ring is the indent annulus being arranged on preceding fork shaft, and indent annulus is front fork shaft body material Material cutting is made.

The operating mechanism is the throw-out collar being mounted between conversion sleeve and preceding fork shaft, and the inner hole of throw-out collar is long waist jacket dress Outside preceding fork shaft, the outer end of throw-out collar is provided with button, is protruded outside conversion sleeve, is pushed away by the avoiding hollow groove being arranged on conversion sleeve cylinder The inner end of ring is connect with locking plate, and locking plate section is L-shaped, and one end is connect with throw-out collar, and the other end passes through on guide sleeve cylinder Guide groove after, be inserted into butt joint ring or separation ring in.

It is also equipped with locating ring outside the steering column, fixed screw is installed on locating ring, fixed screw, which passes through, to be turned It is connect to column with guide sleeve.

Limiting slot is provided on the conversion sleeve, correspondingly sleeve is equipped with positioning column, and positioning column is snapped into limit Setting in slot.

The utility model has the beneficial effects that：1, structure is simple, and production cost is low, improves the market competitiveness.2, work as selection When children's control model, front fork is fixedly connected with front handlebar is turned to, therefore children can operating handle control front-drive direction reality Turn now to function.When selecting parent's control model, steering handle and front fork are detached from, and rotation front handlebar will not can control front-wheel and turn To front-wheel at this time controls steering pattern after being in, therefore parent only needs to operate push rod and enables headstock beat, and front-wheel will be with this Direction rotation, realizes and turns to.3, two kinds of operation mode perambulators can only select a kind of scheme to execute, and avoid children and parent from operating and send out Raw conflict, prevents in operation by force, children come to harm.4, child mode and householder mode will switch simple, after switching before The automatic locking of fork, prevents accident.

Detailed description of the invention

Fig. 1 is the utility model general assembly effect picture.

Fig. 2 is the utility model partial structural diagram.

Fig. 3,4, to be in child mode structure sectional view in the utility model.

Fig. 5,6 are that householder mode structure sectional view is in the utility model.

Fig. 7 is the utility model structural assembly diagram.

Specific embodiment

Specific further instruction is made to the utility model with reference to the accompanying drawing.A kind of safety-type children that can control steering afterwards Tricycle comprising vehicle frame 1 and two rear-wheels 2, push rod 3, the saddle 4 in the middle part of vehicle frame set on vehicle frame rear end, 1 front end of vehicle frame The sleeve 11 of column 5 is turned to equipped with installation, is turned to column and is connected steering handle 6, it is characterised in that：Installation in the sleeve 11 There is steering base 7, front fork 8 is fixedly connected by the preceding fork shaft 81 of the upper end with steering base 7, so that front fork 8 can be left by steering base 7 The right side is rotatably mounted in sleeve 11.Wherein, steering base and vehicle frame can be split production, later period assembling, can also both be integrated It manufactures, can specifically be selected, be not construed as limiting again according to the actual situation.81 top of preceding fork shaft is provided with positioning Slot 82 correspondingly turns in column 5 and is provided with guide sleeve 9, the inner hole top of guide sleeve 9 is provided with positive stop lug boss 91, described Sleeve 11 outside be additionally provided with conversion sleeve 92, be provided with operating mechanism on conversion sleeve 92, operating mechanism driving is arranged in conversion sleeve 93 radial motion of locking plate in 92,81 surface of preceding fork shaft are axially distributed with butt joint ring 83 and insert with ring 84, locking plate 93 is separated When entering butt joint ring 83, positive stop lug boss 91 is docked with locating slot 82, and children can operate front fork by steering handle 6 and turn to, guide sleeve 9 It being lifted up, when the insertion of locking plate 93 separates ring 84, positive stop lug boss 91 is separated with locating slot 82, and front fork 8 is in and mode is freely rotated, Parent can drive front fork to turn to by push rod 3.

The butt joint ring 83 and separation ring 84 is the indent annulus being arranged on preceding fork shaft 81, and indent annulus is preceding fork shaft The cutting of 81 bulk materials is made.

The operating mechanism is the throw-out collar 94 being mounted between conversion sleeve 92 and preceding fork shaft 81, and the inner hole of throw-out collar is long waist For jacket outside preceding fork shaft 81, the outer end of throw-out collar is provided with button 95, passes through the avoiding hollow groove 96 being arranged on 92 cylinder of conversion sleeve It protrudes outside conversion sleeve 92, the inner end of throw-out collar 94 is connect with locking plate 93, and 93 section of locking plate is L-shaped, and one end and throw-out collar 94 connect It connects, after the other end passes through the guide groove 97 on 9 cylinder of guide sleeve, is inserted into butt joint ring 83 or separation ring 84.

It is also equipped with locating ring 52 outside the steering column 5, fixed screw is installed, fixed screw is worn on locating ring 52 Steering column 5 is crossed to connect with guide sleeve 9.

It is provided with limiting slot 98 on the conversion sleeve 92, correspondingly sleeve is equipped with positioning column 99, and positioning column 99 blocks Buckle into setting in limiting slot 98.

Working principle：In the present invention, it can be achieved that child resistant mode and parent's operation mode, and both of which perambulator is only Can execute one of which, avoid traditional toy tricycle and be easy to happen child resistant and parent and operate and clash, or even cause The drawbacks such as children injury.

As shown in Figure 4,5, when user selects child mode, conversion sleeve is moved downward, so that locking plate 93 is inserted into butt joint ring When 83, positive stop lug boss 91 is docked with locating slot 82, makees coaxially connected cooperation with preceding fork shaft so that turning to column, children can be by turning It operates front fork to handle 6 to turn to, so that it is no different with traditional child's tricycle operation.

As described in Fig. 5,6, when user select householder mode when, user's push button 95, using button 95 push throw-out collar to After move so that locking plate 93 bounces back backward, separated with butt joint ring 83.User can firmly be lifted up conversion sleeve, conversion sleeve band Action-oriented set 9 and steering column 5 are lifted up, and positive stop lug boss 91 is separated with locating slot 82, guide upright post and front fork between centers power Cutting, release button 95 to fix in the insertion separation ring 84 of locking plate 93, and front fork 8 controls mode at this time after being in, and parent's rotation pushes away Bar 3.It drives front fork to turn in such a way that push rod drives steel wire zipper or drive rod etc., realizes that parent controls and turn to.Wherein, 93 After insertion separation ring 84, locking plate plays the positioning action to reversing cover, it is avoided to automatically reset under gravity.

Wherein, when being switched to householder mode, children's swing handle can only drive handle to rotate, and cannot drive front fork again It rotates.So even if only front-wheel direction changes when parent operates direction, and handle-bar will not then be turned by band, because This children still can rotate freely handle-bar, it is made to keep certain entertainment, also avoid parent in traditional technology simultaneously When operation, parent drives handle rotation that children is easy to cause the drawbacks such as to injure by handle, therefore can be widely used to promote.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.

Claims (5)

1. the safety-type child's tricycle that one kind can control steering afterwards comprising vehicle frame（1）And two rear-wheels set on vehicle frame rear end （2）, push rod（3）, saddle in the middle part of vehicle frame（4）, vehicle frame（1）Front end is equipped with installation and turns to column（5）Sleeve（11）, turn Steering handle is connected to column（6）, it is characterised in that：The sleeve（11）It is inside equipped with steering base (7), front fork (8) passes through The preceding fork shaft (81) of the upper end is fixedly connected with steering base (7), so that front fork (8) can left/right rotation dynamic formula peace by steering base (7) In sleeve (11), described preceding fork shaft (81) top is provided with locating slot (82), correspondingly, turns to and sets in column (5) It is equipped with guide sleeve (9), the inner hole top of guide sleeve (9) is provided with positive stop lug boss (91), is additionally provided with outside the sleeve (11) Conversion sleeve (92) is provided with operating mechanism, the locking plate that operating mechanism driving is arranged in conversion sleeve (92) on conversion sleeve (92) (93) radial motion, described preceding fork shaft (81) surface be axially distributed with butt joint ring (83) with separate ring (84), locking plate（93）It inserts Enter butt joint ring（83）When, positive stop lug boss（91）With locating slot（82）Docking, children can pass through steering handle（6）Front fork is operated to turn To guide sleeve（9）It is lifted up, locking plate（93）Insertion separation ring（84）When, positive stop lug boss（91）With locating slot（82）Separation, it is preceding Fork（8）In the state that is freely rotated, parent can pass through push rod（3）Front fork is driven to turn to.

2. the safety-type child's tricycle that one kind according to claim 1 can control steering afterwards, it is characterised in that：Pair Connect ring（83）And separation ring（84）To be arranged in preceding fork shaft（81）On indent annulus, indent annulus be preceding fork shaft（81）Ontology material Material cutting is made.

3. the safety-type child's tricycle that one kind according to claim 1 can control steering afterwards, it is characterised in that：The behaviour Making mechanism is to be mounted on conversion sleeve（92）With preceding fork shaft（81）Between throw-out collar（94）, the inner hole of throw-out collar is before long waist jacket is mounted in Fork shaft（81）Outside, the outer end of throw-out collar is provided with button（95）, by being arranged in conversion sleeve（92）Avoiding hollow groove on cylinder（96）It is convex Conversion sleeve out（92）Outside, throw-out collar（94）Inner end and locking plate（93）Connection, locking plate（93）Section is L-shaped, one end with push away Ring（94）Connection, the other end pass through guide sleeve（9）Guide groove on cylinder（97）Afterwards, butt joint ring (83) or separation ring (84) are inserted into It is interior.

4. the safety-type child's tricycle that one kind according to claim 1 can control steering afterwards, it is characterised in that：Described turns To column（5）It is also equipped with locating ring outside（52）, locating ring（52）On fixed screw is installed, fixed screw, which passes through, turns to column （5）With guide sleeve（9）Connection.

5. the safety-type child's tricycle that one kind according to claim 1 can control steering afterwards, it is characterised in that：Described turns Change set（92）On be provided with limiting slot（98）, correspondingly sleeve is equipped with positioning column（99）, positioning column（99）It is snapped into limit Slot（98）Interior setting.