CN207481984U - A kind of children trolley - Google Patents

Abstract

The utility model provides a kind of children trolley, including front-wheel tube assembly；It is in the fixed trailing wheel tube assembly of X-type with front-wheel tube assembly；Front end and the hinged seat plate of trailing wheel tube assembly；The hand handle tube assembly being connect with front-wheel tube assembly；Collapsing mechanism, being capable of locking seat plate and front-wheel tube assembly when seat plate is laid flat；Handrail tube assembly.When collapsing mechanism in the open state, front-wheel tube assembly, trailing wheel tube assembly, collapsing mechanism, seat plate connect into a quadrilateral structure, and the extruding that can carry out children trolley folds, and realization is returned the vehicle to the garage and knock off.When using children trolley, seat plate is laid flat, collapsing mechanism is in the lock state with locking seat plate and front-wheel tube assembly, at this moment the triangular form structure that front-wheel tube assembly, trailing wheel tube assembly, seat plate three parts composition are connected with each other, with preferable stability, so improving the locking stability of children trolley in use, and then can avoid damaging the children that cart is used because of unexpected return the vehicle to the garage and knock off.

Description

A kind of children trolley

Technical field

The utility model is related to mother and baby's product technical field, more specifically to a kind of children trolley.

Background technology

Children trolley, is the favorite stroll vehicles of baby, requirement when even more mother goes shopping with baby. Trolley is broadly divided into luxury (dividing into full-lying and semi-lying) and lightweight (also known as umbrella car).Usual carriage for children by vehicle frame, cockpit, Sunshade, handrail composition.There is the cart of a convenient type in light carriage for children vehicle, for often outgoing design of looking after children, It is made of simple vehicle frame and handrail tube.

The convenient type children cart frame of the prior art is by nose-wheel well, trailing wheel pipe, seat plate, handle pipe, handrail tube, front-wheel It is formed with trailing wheel.Nose-wheel well is " T " font, and trailing wheel pipe is " several " or " A " font.It is crossed as after nose-wheel well and the installation of trailing wheel pipe X-type.There are one the positioning pipe vertical with nose-wheel well among nose-wheel well, when front foot pipe and rear foot tube are launched into X-type, positioning pipe It is stuck on trailing wheel pipe, the fixed column that front foot pipe is continued around on trailing wheel pipe is prevented to rotate clockwise.After the front end of seat plate is fixed on It takes turns on pipe, the rear end of seat plate is fastened on nose-wheel well, when seat plate is laid flat, children are sitting on seat plate so that seat plate Rear end block nose-wheel well, so as to which nose-wheel well be prevented to rotate counterclockwise when in use.At this moment nose-wheel well, trailing wheel pipe, seat plate exist The crosspoint top of nose-wheel well and trailing wheel pipe composition X-member frame forms a stable triangular structure.

But the weight that children itself are only relied between seat plate rear end and nose-wheel well reinforces downwards on seat plate, makes Nose-wheel well cannot rotate counterclockwise and realize the locking of X-type children trolley along trailing wheel pipe fixing axle, seat plate, nose-wheel well and after The triangular structure stability for taking turns pipe composition is poor.When there is no clamping between seat plate and nose-wheel well, seat plate, nose-wheel well, Gap between trailing wheel pipe and seat plate and nose-wheel well forms a unstable quadrangle.This quadrangle exists at any time to be folded The possibility of folding, if in children trolley in use, seat plate is left in children station on foot-operated, parent pushes forward and nose-wheel well The handle pipe being connected relatively easily leads to and front foot pipe is pushed to be rotated counterclockwise along trailing wheel pipe fixing axle, children trolley is caused surprisingly to receive Vehicle causes danger to children by bus.

In addition, the handle pipe and nose-wheel well of above-mentioned children trolley are buckled clamping by screw, children trolley direction of advance is by hand The management and control system rotation torque that thus handrail tube is subject to is bigger.The fixed form of screw buckle clamping is held after a period of use The easy situation for handle pipe occur and nose-wheel well mutually rotates so that children trolley goes wrong on direction controlling, meeting when serious Handle pipe is made to be detached with connected nose-wheel well.

In conclusion how to improve the locking stability of children trolley in use, return the vehicle to the garage and knock off pair to avoid because unexpected The children that cart is used damage, and are the technical issues of current those skilled in the art are urgently to be resolved hurrily.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of children trolleys, are being used with improving children trolley Locking stability in journey, and then avoid damaging the children that cart is used because of unexpected return the vehicle to the garage and knock off.

In order to achieve the above object, the utility model provides following technical solution：

A kind of children trolley, including：

Front-wheel tube assembly；

Trailing wheel tube assembly, the front-wheel tube assembly are fixed together with the trailing wheel tube assembly in X-type；

Front end and the hinged seat plate of the trailing wheel tube assembly；

The hand handle tube assembly being connect with the front-wheel tube assembly；

Collapsing mechanism, when the seat plate is laid flat, the collapsing mechanism can lock the seat plate and the front-wheel Tube assembly；

It is arranged on the handrail tube assembly of the trailing wheel tube assembly upper end.

Preferably, in above-mentioned children trolley, the front-wheel tube assembly includes：

Two nose-wheel wells；

The front-wheel connecting tube of two nose-wheel well lower ends is connected, the front-wheel connecting tube and the lower end of the nose-wheel well lead to Cross nose-wheel well lower end connection plastic cement connection；

The nose-wheel well upper end connection plastic cement of two nose-wheel well upper ends of connection.

Preferably, in above-mentioned children trolley, the hand handle tube assembly includes handle pipe and blocks in the handle pipe lower end Hand handle chock plug, the handle pipe is arranged on nose-wheel well upper end connection plastic cement.

Preferably, it in above-mentioned children trolley, is adjusted between the front-wheel tube assembly and the hand handle tube assembly by height Mechanism connects, and the height adjustment mechanism includes：

The multiple height adjusting holes being arranged in the handle pipe；

It is arranged on the through-hole being slidably matched on the nose-wheel well upper end connection plastic cement and with the handle pipe；

The adjustment seat being arranged in the groove at the nose-wheel well upper end connection plastic cement back side；

The height adjusting button being arranged in the regulating tank of the adjustment seat, the middle part of the height adjusting button with it is described Adjustment seat is hinged, and one end of the height adjusting button is press-side；

Fixed pin is adjusted with the hinged height of the other end of the height adjusting button；

The height adjusting fixed pin is driven to be caught in the compression spring in the handle pipe in corresponding height adjusting holes, it is described Compression spring is arranged between the press-side of the height adjusting button and nose-wheel well upper end connection plastic cement.

Preferably, in above-mentioned children trolley, the collapsing mechanism includes：

The limiting blind hole being arranged on the nose-wheel well upper end connection plastic cement；

Plastic cement is slided with hinged the returning the vehicle to the garage and knock off in the seat plate back, is provided on the slip plastic cement that returns the vehicle to the garage and knock off for the hand handle Pipe across through-hole and be inserted into returning the vehicle to the garage and knock off for the limiting blind hole and slide card column, it is described return the vehicle to the garage and knock off to slide be provided with and return the vehicle to the garage and knock off in card column Card slot；

The card column of returning the vehicle to the garage and knock off being arranged on the nose-wheel well upper end connection plastic cement, when described return the vehicle to the garage and knock off slides the card column insertion limit Card column of returning the vehicle to the garage and knock off described in during the blind hole of position can be caught in described return the vehicle to the garage and knock off in card slot；

The card column of returning the vehicle to the garage and knock off is driven to be caught in the compression spring that returns the vehicle to the garage and knock off to return the vehicle to the garage and knock off in card slot；

Press can compress it is described return the vehicle to the garage and knock off compression spring so that the card column of returning the vehicle to the garage and knock off be detached from described in return the vehicle to the garage and knock off the button that returns the vehicle to the garage and knock off of card slot, institute It states the compression spring that returns the vehicle to the garage and knock off and is arranged on described return the vehicle to the garage and knock off between button and nose-wheel well upper end connection plastic cement.

Preferably, in above-mentioned children trolley, the collapsing mechanism further includes：

It is arranged on the seat fixed column of the seat back；

The clamping groove of nose-wheel well upper end connection plastic cement is arranged on, the seat is fixed when the seat plate is laid flat Column is caught in the clamping groove.

Preferably, in above-mentioned children trolley, the left and right ends for returning the vehicle to the garage and knock off slip plastic cement are respectively arranged with the left company of seat plate Connect plastic cement and the right connection plastic cement of seat plate；

The left connection plastic cement of seat plate is connected with the right connection plastic cement of the seat plate by seat plate fixing pin, described The slip plastic cement that returns the vehicle to the garage and knock off is hinged by the seat plate fixing pin and the seat plate back.

Preferably, in above-mentioned children trolley, the children trolley further includes foot pedal component, and the foot pedal component passes through The concave structure of male connector and the seat plate is clamped, and the male connector is connect with the trailing wheel tube assembly.

Preferably, in above-mentioned children trolley, the trailing wheel tube assembly includes：

Two trailing wheel pipes；

The trailing wheel connecting tube of two trailing wheel pipe lower ends is connected, the trailing wheel connecting tube and the lower end of the trailing wheel pipe lead to Later wheel pipe lower end connection plastic cement connection；

The trailing wheel pipe upper end connection plastic cement of two trailing wheel pipe upper ends of connection.

Preferably, in above-mentioned children trolley, the handrail tube assembly includes：

Two handrail tubes being oppositely arranged；

The first handrail pipe connections of the trailing wheel pipe upper end connection plastic cement are penetrated rotatably, first handrail tube connects Fitting is connect with handrail tube front end one of them described；

The second handrail pipe connections being connect with handrail tube front end another described, the second handrail pipe connections and institute State the connection of the first handrail pipe connections；

The handrail tube of two handrail tube rear ends of connection connects deck, and being provided on the handrail tube connection deck can The semicircle buckle being fastened in the handle pipe.

It can be seen from the above technical scheme that children trolley provided by the utility model includes front-wheel tube assembly；Trailing wheel Tube assembly, front-wheel tube assembly are fixed together with trailing wheel tube assembly in X-type；Front end and the hinged seat plate of trailing wheel tube assembly；With The hand handle tube assembly of front-wheel tube assembly connection；Collapsing mechanism, when seat plate is laid flat, collapsing mechanism can locking seat plate with before Take turns tube assembly；It is arranged on the handrail tube assembly of trailing wheel tube assembly upper end.

When collapsing mechanism in the open state, front-wheel tube assembly, trailing wheel tube assembly, collapsing mechanism, four part of seat plate A quadrilateral structure is connected into, the extruding that can carry out children trolley folds, and realization is returned the vehicle to the garage and knock off.It, will when using children trolley Seat plate is laid flat, and is in the lock state collapsing mechanism with locking seat plate and front-wheel tube assembly, at this moment front-wheel tube assembly, trailing wheel The triangular form structure that tube assembly, seat plate three parts composition are connected with each other, has preferable stability, is pushed away so improving children The locking stability of vehicle in use, and then can avoid hindering caused by the children surprisingly to return the vehicle to the garage and knock off to cart is used Evil.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to these attached drawings.

Fig. 1 is the overall structure diagram for the children trolley that the utility model embodiment provides；

Fig. 2 is the structure diagram for the front-wheel tube assembly that the utility model embodiment provides；

Fig. 3 is the configuration schematic diagram for the front-wheel tube assembly that the utility model embodiment provides；

Fig. 4 is the configuration schematic diagram for the height adjustment mechanism that the utility model embodiment provides；

Fig. 5 is the front view for the height adjustment mechanism that the utility model embodiment provides；

Fig. 6 is the side view for the height adjustment mechanism that the utility model embodiment provides；

Fig. 7 is the partial enlargement structure chart of A in Fig. 6；

Fig. 8 is the structure diagram for the trailing wheel tube assembly that the utility model embodiment provides；

Fig. 9 is the configuration schematic diagram for the trailing wheel tube assembly that the utility model embodiment provides；

Figure 10 is the assembling structure schematic diagram for the collapsing mechanism that the utility model embodiment provides；

Figure 11 is the structure diagram of nose-wheel well upper end connection plastic cement that the utility model embodiment provides；

Figure 12 is the structure diagram for the slip plastic cement that returns the vehicle to the garage and knock off that the utility model embodiment provides；

Figure 13 is the configuration schematic diagram for the slip plastic cement that returns the vehicle to the garage and knock off that the utility model embodiment provides；

Figure 14 is the structure diagram for the seat plate that the utility model embodiment provides；

Figure 15 is the assembling structure schematic diagram that the seat plate that the utility model embodiment provides is connect with foot pedal component；

Figure 16 is the part-structure schematic diagram for the children trolley that the utility model embodiment provides；

Figure 17 is the partial enlargement structure chart of B in Figure 16；

Figure 18 is the configuration schematic diagram for the handrail tube assembly that the utility model embodiment provides；

Figure 19 is the structure diagram for the second handrail pipe connections that the utility model embodiment provides.

Specific embodiment

The utility model embodiment provides a kind of children trolley, and it is steady to improve the locking of children trolley in use It is qualitative, and then avoid because unexpected return the vehicle to the garage and knock off damages the children that cart is used.

Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to The range of the utility model protection.

Attached drawing 1-19 is please referred to, the children trolley that the utility model embodiment provides includes front-wheel tube assembly 1, trailing wheel pipe group Part 2, collapsing mechanism 4, seat plate 5, hand handle tube assembly 8, handrail tube assembly 6, backrest 7, front-wheel 9, trailing wheel 10；Front-wheel tube assembly 1 It is fixed together with trailing wheel tube assembly 2 in X-type；The front end of seat plate 5 is hinged with trailing wheel tube assembly 2；Hand handle tube assembly 8 and front-wheel Tube assembly 1 connects；When seat plate 5 is laid flat, collapsing mechanism 4 being capable of locking seat plate 5 and front-wheel tube assembly 1；Handrail tube assembly 6 It is arranged on 2 upper end of trailing wheel tube assembly.

When collapsing mechanism 4 in the open state, front-wheel tube assembly 1, trailing wheel tube assembly 2, collapsing mechanism 4, seat plate 5 four Part connects into a quadrilateral structure, and the extruding that can carry out children trolley folds, and realization is returned the vehicle to the garage and knock off.When using children trolley When, seat plate 5 is laid flat, is in the lock state collapsing mechanism 4 with locking seat plate 5 and front-wheel tube assembly 1, at this moment nose-wheel well The triangular form structure that component 1, trailing wheel tube assembly 2,5 three parts of seat plate composition are connected with each other, has preferable stability, so The locking stability of children trolley in use is improved, and then can avoid returning the vehicle to the garage and knock off to cart is used because unexpected Children damage.

In addition, the children trolley of the utility model is simple in structure, triangular structure and quadrilateral structure transformation allow cart Use and fold more convenient safety.

In one specific embodiment of the utility model, front-wheel tube assembly 1 includes two nose-wheel wells 1.1；Connect two front-wheels The front-wheel connecting tube 1.2 of 1.1 lower end of pipe, front-wheel connecting tube 1.2 connect plastic cement with the lower end of nose-wheel well 1.1 by nose-wheel well lower end 1.3 connection；The nose-wheel well upper end connection plastic cement 1.4.1 of two 1.1 upper ends of nose-wheel well of connection.

As shown in Fig. 2-Fig. 3, nose-wheel well 1.1 is penetrated in blind hole 1.4.1.6, and iron blind rivet 1.4.1.1 passes through nose-wheel well upper end Connect the through-hole 1.4.1.2 on plastic cement 1.4.1, the through-hole 1.1.2 on nose-wheel well 1.1 connects nose-wheel well 1.1 and nose-wheel well upper end Plastic cement 1.4.1 is met to link together.

The other end of nose-wheel well 1.1 is penetrated in the blind hole 1.3.3 on nose-wheel well lower end link plastic cement 1.3, iron blind rivet 1.3.1 Through-hole 1.3.2, the through-hole 1.1.1 on nose-wheel well 1.1 across on nose-wheel well lower end connection plastic cement 1.3, by nose-wheel well 1.1 and before Connection plastic cement 1.3 in wheel pipe lower end links together.

One end of front-wheel pipe connected pipe 1.2 is penetrated in the blind hole 1.3.4 of nose-wheel well lower end connection plastic cement 1.3, iron blind rivet 1.3.6 the through-hole 1.2.1 on the through-hole 1.3.5 and front-wheel pipe connected pipe 1.2 on nose-wheel well lower end connection plastic cement 1.3 is passed through, it will Front-wheel pipe connected pipe 1.2 connects plastic cement 1.3 with nose-wheel well lower end and links together.

In preferred embodiment, the gap between two nose-wheel wells 1.1 is incremented by from upper end to lower end, so as to make nose-wheel well group Part 1 is A-shaped, and stability is more preferable.

As shown in figure 4, hand handle tube assembly 8 includes handle pipe 8.1 and blocks the hand handle chock plug 8.2 in 8.1 lower end of handle pipe, Handle pipe 8.1 is arranged on the connection plastic cement 1.4.1 of nose-wheel well upper end.Hand handle chock plug 8.2 pierces into the hole of 8.1 one end of handle pipe 8.1.3 in, iron blind rivet 8.2.2 passes through the blind hole 8.2.1 on through-hole 8.1.4 and hand handle chock plug 8.2 in handle pipe 8.1 by hand handle Chock plug 8.2 and handle pipe 8.1 are fixed together.

In order to avoid hand handle tube assembly 8 rotates, handle pipe 8.1 is the height that shape tube is connected with handle pipe 8.1 It is also profiled holes to adjust and slide 4.1 matched hole of plastic cement.

In order to advanced optimize above-mentioned technical proposal, machine is adjusted by height between front-wheel tube assembly 1 and hand handle tube assembly 8 Structure 1.4 connects, and height adjustment mechanism 1.4 includes：The multiple height adjusting holes being arranged in handle pipe 8.1；It is arranged on nose-wheel well The through-hole 1.4.1.4 being slidably matched on the connection plastic cement 1.4.1 of upper end and with handle pipe 8.1；It is arranged on the connection modeling of nose-wheel well upper end Adjustment seat 1.4.5 in the groove 1.4.1.3 at the glue 1.4.1 back sides；The height being arranged in the regulating tank of adjustment seat 1.4.5 is adjusted The middle part of button 1.4.2, height adjusting button 1.4.2 are hinged with adjustment seat 1.4.5, and one end of height adjusting button 1.4.2 is Press-side；Fixed pin 1.4.4 is adjusted with the hinged height of the other end of height adjusting button 1.4.2；Height is driven to adjust to fix Pin 1.4.4 is caught in compression spring 1.4.3 in handle pipe 8.1 in corresponding height adjusting holes, compression spring 1.4.3 be arranged on height adjusting by Between the press-side of button 1.4.2 and nose-wheel well upper end connection plastic cement 1.4.1.

Handle pipe 8.1 passes through the through-hole 1.4.1.4 on the connection plastic cement 1.4.1 of nose-wheel well upper end simultaneously can be in through-hole It is slided in 1.4.1.4.

Adjustment seat 1.4.5 is placed in the groove 1.4.1.3 at the nose-wheel well upper end connection plastic cement 1.4.1 back sides, screw 1.4.5.4 the through-hole 1.4.5.1 on adjustment seat 1.4.5 is passed through to connect the blind hole on plastic cement 1.4.1 with nose-wheel well upper end 1.4.1.5, adjustment seat 1.4.5 is connected plastic cement 1.4.1 with nose-wheel well upper end to link together.

Pin 1.4.2.3 passes through through-hole 1.4.2.2 and height adjusting fixed pin 1.4.4 on height adjusting button 1.4.2 On through-hole 1.4.4.1, by height adjust fixed pin 1.4.4 and height adjusting button 1.4.2 link together.

Rivet 1.4.2.1 passes through the through-hole on through-hole 1.4.2.4 and adjustment seat 1.4.5 on height adjusting button 1.4.2 1.4.5.2, height adjusting button 1.4.2 and adjustment seat 1.4.5 are fixed together.Compression spring 1.4.3 is in height adjusting button 1.4.2 it is connected among plastic cement 1.4.1 with nose-wheel well upper end, rivet 1.4.2.1 tops, height adjusts fixed pin 1.4.4 in rivet It is 1.4.2.1 following.

Handle pipe 8.1 is slided in the through-hole 1.4.1.4 of nose-wheel well upper end connection plastic cement 1.4.1, in compression spring 1.4.3 bullets The lower height of power effect adjusts fixed pin 1.4.4 and is caught in the height adjusting holes 8.1.1 in handle pipe 8.1.Pressing height, which is adjusted, presses The upper end of button 1.4.2 causes compression spring 1.4.3 to compress, and fixed pin 1.4.4 is adjusted from the first height adjusting holes by leverage height 8.1.1 middle extraction moves up handle pipe 8.1 under the action of compression spring 1.4.3 pressure, and height adjusts fixed pin 1.4.4 and is caught in In second height adjusting holes 8.1.2, the height of handle pipe 8.1, which is realized, to be adjusted, as shown in figs. 4-7.

As shown in figs. 10-11；Collapsing mechanism 4 includes the limiting blind hole being arranged on the connection plastic cement 1.4.1 of nose-wheel well upper end 1.4.12；Plastic cement 4.1 is slided with hinged the returning the vehicle to the garage and knock off in 5 back of seat plate, returning the vehicle to the garage and knock off to slide is provided on plastic cement 4.1 for handle pipe 8.1 The through-hole 4.1.4 passed through slides card column with returning the vehicle to the garage and knock off for limiting blind hole 1.4.12 is inserted into, and returning the vehicle to the garage and knock off to slide in card column is provided with receipts Vehicle card slot 4.1.1；The card column 1.4.8 that returns the vehicle to the garage and knock off being arranged on the connection plastic cement 1.4.1 of nose-wheel well upper end slides card column insertion when returning the vehicle to the garage and knock off The card column 1.4.8 that returns the vehicle to the garage and knock off when limiting blind hole 1.4.12, which can be caught in, to return the vehicle to the garage and knock off in card slot 4.1.1；The card column 1.4.8 that returns the vehicle to the garage and knock off is driven to be caught in receipts The compression spring 1.4.7 that returns the vehicle to the garage and knock off in vehicle card slot 4.1.1；The compression spring 1.4.7 that returns the vehicle to the garage and knock off can be compressed so that the card column 1.4.8 that returns the vehicle to the garage and knock off is detached from and receives by pressing The button 1.4.6 that returns the vehicle to the garage and knock off of vehicle card slot 4.1.1, the compression spring 1.4.7 that returns the vehicle to the garage and knock off are arranged on the button 1.4.6 that returns the vehicle to the garage and knock off and connect modeling with nose-wheel well upper end Between glue 1.4.

In order to improve locking stability, the above-mentioned button 1.4.6 that returns the vehicle to the garage and knock off is two, it is of course also possible to be other numbers, such as one It is a.

Handle pipe 8.1 passes through the through-hole 4.1.4 for returning the vehicle to the garage and knock off and sliding on plastic cement 4.1, and nose-wheel well upper end is connected on plastic cement 1.4.1 Through-hole 1.4.1.4.The button 1.4.6 that returns the vehicle to the garage and knock off passes through the compression spring 1.4.7 that returns the vehicle to the garage and knock off, and penetrates in through-hole 1.4.10.Screw 1.4.11 is passed through Through-hole 1.4.8.1 on card column of returning the vehicle to the garage and knock off 1.4.8, the button 1.4.6 that will return the vehicle to the garage and knock off, compression spring 1.4.7, card column of returning the vehicle to the garage and knock off 1.4.8, on nose-wheel well End connection plastic cement 1.4.1 links together.

The rear end of seat plate 5 and the slip plastic cement 4.1 that returns the vehicle to the garage and knock off being connected with front-wheel tube assembly 1, can be along in handle pipe 8.1 Lower slider.When collapsing mechanism 4 is in the lock state, the returning the vehicle to the garage and knock off slip card column slided on plastic cement 4.1 of returning the vehicle to the garage and knock off is inserted on nose-wheel well In limiting blind hole 1.4.12 on the connection plastic cement 1.4.1 of end.And card column of returning the vehicle to the garage and knock off 1.4.8 is stuck in return the vehicle to the garage and knock off and slide on plastic cement 4.1 It returns the vehicle to the garage and knock off in card slot 4.1.1.

When returning the vehicle to the garage and knock off while two button 1.4.6 that return the vehicle to the garage and knock off are pressed, the button 1.4.6 that returns the vehicle to the garage and knock off compresses the compression spring 1.4.7 that returns the vehicle to the garage and knock off, and causes Card column of returning the vehicle to the garage and knock off 1.4.8 is moved forward slides returning the vehicle to the garage and knock off on plastic cement 4.1 by the clamp 1.4.8.2 to return the vehicle to the garage and knock off on card column 1.4.8 from returning the vehicle to the garage and knock off It is ejected in card slot 4.1.1.The slip plastic cement 4.1 that returns the vehicle to the garage and knock off at this time is in active state, and lifts slip modeling of returning the vehicle to the garage and knock off upwards along handle pipe 8.1 4.1 cart of glue, which can unlock, to return the vehicle to the garage and knock off.

Specifically, the card slot 4.1.1 that returns the vehicle to the garage and knock off is 7 font, the clamp 1.4.8.2 sections on card column of returning the vehicle to the garage and knock off 1.4.8 are triangle Shape.Collapsing mechanism 4 folds card column 1.4.8.2 and is fastened on the 7 font cards that fall that height adjusts slip plastic cement 4.1 when being in the lock state In slot.Being unlocked by pressing button 1.4.6 during unlock, unblock button 1.4.6 will return the vehicle to the garage and knock off card column 1.4.8 from 7 font card slot 4.1.1 Ejection, the slip plastic cement 4.1 that returns the vehicle to the garage and knock off can be moved up and down along handle pipe 8.1, realize that unlock is returned the vehicle to the garage and knock off.

Preferably, collapsing mechanism 4 further includes the seat fixed column 5.5 for being arranged on 5 back side of seat plate；It is arranged on nose-wheel well The clamping groove 1.4.13 of end connection plastic cement 1.4.1, seat fixed column 5.5 is caught in clamping groove when seat plate 5 is laid flat It is 1.4.13 interior.

As shown in figs.10 and 14, two seat fixed columns 5.5 at 5 back side of seat plate are stuck in nose-wheel well upper end connection plastic cement 1.4.1 in two groove 1.4.13, locking intensity is further improved.

In specific embodiment, the left and right ends for the slip plastic cement 4.1 that returns the vehicle to the garage and knock off are respectively arranged with the left connection plastic cement of seat plate 4.2 and seat plate it is right connection plastic cement 4.4；

The left connection plastic cement 4.2 of seat plate is connected with the right connection plastic cement 4.4 of seat plate by seat plate fixing pin 4.3, is received Vehicle slides plastic cement 4.1 and is hinged by seat plate fixing pin 4.3 and 5 back of seat plate.In the present embodiment, the rear end of seat plate 5 It is connected with front-wheel tube assembly 1 and can mutually rotates.

As illustrated by figs. 12-13, screw 4.1.3 passes through through-hole 4.1.2 and the left company of seat plate returned the vehicle to the garage and knock off and slided on plastic cement 4.1 The blind hole 4.2.1 on plastic cement 4.2 is met, the left connection plastic cement 4.2 of seat plate is fixed on to the cavity for returning the vehicle to the garage and knock off and sliding on plastic cement 4.1 In 4.1.5.The left connection plastic cement 4.2 of seat plate and the right connection plastic cement 4.4 of seat plate are all fixed on when returning the vehicle to the garage and knock off on slip plastic cement 4.1, The blind hole that seat plate fixing pin 4.3 will be fixed on the left connection plastic cement 4.2 of seat plate and the right connection plastic cement 4.4 of seat plate In 4.4.1.

As shown in figure 14, seat plate fixing pin 4.3 passes through the through-hole 5.4 on 5 back side seat panel connecting column 5.3 of seat plate After be fixed on seat plate it is left connection plastic cement 4.2 and seat plate it is right connection plastic cement 4.4 among.

As shown in figure 15, children trolley further includes foot pedal component 3, and foot pedal component 3 passes through male connector 3.1 and seat The concave structure 5.2 of position plate 5 is clamped, and male connector 3.1 is connect with trailing wheel tube assembly 2.

The male connector 3.1 of 3 top of foot pedal component is engaged in seat plate 5, forms seat plate foot pedal component.

As shown in figure 16, rivet 1.7 passes through the through-hole 2.1.4 on trailing wheel pipe 2.1, the through-hole on male connector 3.1 3.1.1, the through-hole 5.1 on seat plate 5 links together trailing wheel tube assembly 2, foot-operated tube assembly 3, seat plate 5.

As Figure 8-9, trailing wheel tube assembly 2 includes two trailing wheel pipes 2.1；Connect the trailing wheel of two 2.1 lower ends of trailing wheel pipe Connecting tube 2.4, trailing wheel connecting tube 2.4 connect plastic cement 2.2 by trailing wheel pipe lower end with the lower end of trailing wheel pipe 2.1 and connect；Connection two The trailing wheel pipe upper end connection plastic cement 2.3 of a 2.1 upper end of trailing wheel pipe.

2.1 upper end of trailing wheel pipe is inserted into the blind hole 2.3.1 of trailing wheel pipe upper end connection plastic cement 2.3, after iron blind rivet 2.3.3 is passed through Through-hole 2.1.1 on the blind hole 2.3.2 and trailing wheel pipe fitting 2.1 on pipe upper end plastic rubber connector 2.3 is taken turns by trailing wheel pipe 2.1 and trailing wheel Pipe upper end connection plastic parts 2.3 is fixed together.

2.1 lower end of trailing wheel pipe passes through the through-hole 2.2.3 on trailing wheel pipe lower end connection plastic cement 2.2, after iron blind rivet 2.2.1 is passed through Blind hole 2.2.2 on wheel connection plastic cement 2.2 connects trailing wheel pipe 2.1 with trailing wheel pipe lower end with the through-hole 2.1.2 on trailing wheel pipe 2.1 Plastic cement 2.2, is fixed together.

One end of trailing wheel connecting tube 2.4 is penetrated in the blind hole 2.2.6 of trailing wheel pipe lower end connection plastic cement 2.2, iron blind rivet 2.2.4 Blind hole 2.4.2 across on the blind hole 2.2.5 and trailing wheel connecting tube 2.4 on trailing wheel pipe lower end connection plastic cement 2.2, trailing wheel is connected Pipe 2.4 connects plastic cement 2.2 with trailing wheel lower end, trailing wheel pipe 2.1 is fixed together.

In preferred embodiment, the gap between two trailing wheel pipes 2.1 is incremented by from upper end to lower end, so as to make trailing wheel pipe group Part 2 is A-shaped, and stability is more preferable.

As shown in figs. 16-17, front-wheel tube assembly 1 and the specific fixation procedure of trailing wheel tube assembly 2 are：Before rivet 1.6 passes through It is in X-type that the through-hole 1.1.3 of pipe 1.1 top, the through-hole 2.1.3 on trailing wheel pipe 2.1, which are taken turns, by front-wheel tube assembly 1 and trailing wheel tube assembly 2 It is fixed together.

The utility model is by rivet 1.6, rivet 1.7, seat plate fixing pin 4.3, by front-wheel tube assembly 1, trailing wheel pipe Component 2, collapsing mechanism 4,5 four part of seat plate connect into the shape on four sides, and quadrangle has unstability, can carry out Squeeze receive and.Collapsing mechanism is in the lock state when cart is opened, and returning the vehicle to the garage and knock off in collapsing mechanism 4 slides plastic cement 4.1 and front-wheel Tube assembly 1 is an entirety, and at this moment 3 three front-wheel tube assembly 1, trailing wheel tube assembly 2, seat plate parts form three be connected with each other Corner-shape structure.Because triangular structure has stability, cart, which is in, at this time stablizes use state.

In specific embodiment, handrail tube assembly 6 includes two handrail tubes 6.1 being oppositely arranged；It penetrates rotatably Trailing wheel pipe upper end connects the first handrail pipe connections 6.2 of plastic cement 2.3, the first handrail pipe connections 6.2 and one of handrail 6.1 front end of pipe connects；The second handrail pipe connections 6.3 being connect with another 6.1 front end of handrail tube, the second handrail pipe connections 6.3 connect with the first handrail pipe connections 6.2；The handrail tube connection deck 6.4 of two 6.1 rear ends of handrail tube of connection, handrail tube The semicircle buckle 6.4.3 that can be fastened in handle pipe 8.1 is provided on connection deck 6.4.

6 front end of handrail tube assembly and trailing wheel tube assembly 2 connect；When seat plate 5 is laid flat, 6 rear end of handrail tube assembly is helped Semicircle buckle 6.4.3 on hand pipe connection deck 6.4 can be fastened in handle pipe 8.1, handrail tube assembly 6 and seat plate 5 Space is parallel and the structure of a triangle is formed with front-wheel tube assembly 1, trailing wheel tube assembly 2 (being connected by handle pipe 8.1), this A triangular structure forms stroller together with the triangular structure that seat plate 5, front-wheel tube assembly 1, trailing wheel tube assembly 2 form Two lock constructions, effectively prevent children trolley and occur situation about surprisingly folding in use, further improve peace Full reliability.

As depicted in figs. 18-19, handrail tube assembly 6 is connected by handrail tube 6.1, the first handrail pipe connections 6.2, the second handrail tube Fitting 6.3, handrail tube connection deck 6.4 form.

First handrail pipe connections 6.2 pass through the through-hole 2.3.4 on trailing wheel pipe upper end connection plastic cement 2.3, the second handrail tube The other end of connector 6.3 from trailing wheel pipe upper end connection plastic cement 2.3 penetrates through-hole 2.3.4, and trailing wheel pipe upper end is connected plastic cement 2.3 are fastened on centre.Screw 6.3.5 passes through through-hole 6.3.4 to connect the second handrail pipe connections 6.3 fixed to the first handrail tube On fitting 6.2.Handrail tube connecting pole fixed column 6.1.4 on handrail tube 6.1 passes through the through-hole on the second handrail pipe connections 6.3 6.3.1 with the through-hole 6.2.1 on the first handrail pipe connections 6.2.Rivet 6.3.3 is passed through on the second handrail pipe connections 6.3 Through-hole 6.1.2 last through-hole 6.3.2 and fixed column 6.1.5 helps handrail tube 6.1, the second handrail pipe connections 6.3, first Hand pipe connections 6.2 link together.

Handrail tube connecting pole 6.1.4 is penetrated in the through-hole 6.4.2 of handrail tube connection deck 6.4, and rivet 6.4.4 passes through handrail The through-hole 6.1.3 on through-hole 6.4.3 and handrail tube connecting pole 6.1.4 on pipe connection deck 6.4, by handrail tube 6.1, handrail tube Connection deck 6.4 links together.Complete square shape handrail tube assembly 6 can connect plastic cement 2.3 around trailing wheel pipe upper end and rotate.

6 front end of handrail tube assembly and trailing wheel tube assembly 2 are hinged, and modeling is connected on the trailing wheel pipe in the trailing wheel tube assembly 2 that can have mercy on Glue 2.3 rotates.Return the vehicle to the garage and knock off unlock when, need that handle pipe 8.1 in handrail tube assembly 6 and hand handle tube assembly 8 will be released first Card and first triangle rock-steady structure of releasing.Expansion vehicle frame is in use, collapsing mechanism 4 should be locked first, and by handrail tube group Handrail connection deck 6.4 and handle pipe 8.1 in part 6 engage rear and can be used.

The utility model passes through profit in the upper direction of X-member frame tie point that front-wheel tube assembly 1 and trailing wheel tube assembly 2 are formed The exchange for realizing two triangular structures and quadrilateral structure with the structure of X-member frame realizes that vehicle frame is folded and locked.Certainly may be used With by setting two or more triangular structures and quadrilateral structure phase at the front of X-member frame tie point, lower section, rear Mutually folding and locking for X-member frame is realized in conversion；Can also by above and below X-member frame tie point or top and before A triangle is separately provided on square any two direction or all on arbitrary three directions, four direction and quadrangle is mutual The structure mutually restricted is converted, and then realizes that the action of previous mechanism becomes the condition that latter action is completed.

Collapsing mechanism 4 folds and locks (adjusting of height adjustment mechanism 1.4) in the utility model, by by pressing The mode of button makes the return the vehicle to the garage and knock off mobile realization card column of card column (height adjusts fixed pin) and exact separation.Can also be converted to the left or Lifting card column card column and exact separation or pressing button is changed to rotation button to make button forward to realize card column to the right And exact separation, the utility model are not especially limited this.

Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide range consistent with features of novelty.

Claims (10)

1. a kind of children trolley, which is characterized in that including：

Front-wheel tube assembly (1)；

Trailing wheel tube assembly (2), the front-wheel tube assembly (1) are fixed together with the trailing wheel tube assembly (2) in X-type；

Front end and the hinged seat plate (5) of the trailing wheel tube assembly (2)；

The hand handle tube assembly (8) being connect with the front-wheel tube assembly (1)；

Collapsing mechanism (4), when the seat plate (5) is laid flat, the collapsing mechanism (4) can lock the seat plate (5) with The front-wheel tube assembly (1)；

It is arranged on the handrail tube assembly (6) of trailing wheel tube assembly (2) upper end.

2. children trolley according to claim 1, which is characterized in that the front-wheel tube assembly (1) includes：

Two nose-wheel wells (1.1)；

Connect two nose-wheel well (1.1) lower ends front-wheel connecting tube (1.2), the front-wheel connecting tube (1.2) with it is described before The lower end of wheel pipe (1.1) connects plastic cement (1.3) by nose-wheel well lower end and connects；

The nose-wheel well upper end connection plastic cement (1.4.1) of two nose-wheel well (1.1) upper ends of connection.

3. children trolley according to claim 2, which is characterized in that the hand handle tube assembly (8) includes handle pipe (8.1) With hand handle chock plug (8.2) of the closure in the handle pipe (8.1) lower end, the handle pipe (8.1) is arranged on the nose-wheel well On end connection plastic cement (1.4.1).

4. children trolley according to claim 3, which is characterized in that the front-wheel tube assembly (1) and the handle pipe group It is connected between part (8) by height adjustment mechanism (1.4), the height adjustment mechanism (1.4) includes：

The multiple height adjusting holes being arranged in the handle pipe (8.1)；

It is arranged on the through-hole being slidably matched on the nose-wheel well upper end connection plastic cement (1.4.1) and with the handle pipe (8.1) (1.4.1.4)；

The adjustment seat (1.4.5) being arranged in the groove (1.4.1.3) at described nose-wheel well upper end connection plastic cement (1.4.1) back side；

The height adjusting button (1.4.2) being arranged in the regulating tank of the adjustment seat (1.4.5), the height adjusting button The middle part of (1.4.2) is hinged with the adjustment seat (1.4.5), and one end of the height adjusting button (1.4.2) is press-side；

Fixed pin (1.4.4) is adjusted with the hinged height of the other end of the height adjusting button (1.4.2)；

The height is driven to adjust fixed pin (1.4.4) to be caught in the handle pipe (8.1) in corresponding height adjusting holes Compression spring (1.4.3), the compression spring (1.4.3) are arranged on the press-side of the height adjusting button (1.4.2) and the nose-wheel well Between upper end connection plastic cement (1.4.1).

5. children trolley according to claim 3, which is characterized in that the collapsing mechanism (4) includes：

The limiting blind hole (1.4.12) being arranged on the nose-wheel well upper end connection plastic cement (1.4.1)；

Plastic cement (4.1) is slided with hinged the returning the vehicle to the garage and knock off in the seat plate (5) back, is provided on the slip plastic cement (4.1) that returns the vehicle to the garage and knock off The through-hole (4.1.4) that is passed through for the handle pipe (8.1) and the slip card that returns the vehicle to the garage and knock off for being inserted into the limiting blind hole (1.4.12) Column, it is described return the vehicle to the garage and knock off slide card column on be provided with the card slot that returns the vehicle to the garage and knock off (4.1.1)；

The card column of returning the vehicle to the garage and knock off (1.4.8) being arranged on the nose-wheel well upper end connection plastic cement (1.4.1), when described return the vehicle to the garage and knock off slides card column Card column (1.4.8) of returning the vehicle to the garage and knock off described in when being inserted into limiting blind hole (1.4.12) can be caught in the card slot (4.1.1) that returns the vehicle to the garage and knock off；

The card column (1.4.8) of returning the vehicle to the garage and knock off is driven to be caught in the compression spring that returns the vehicle to the garage and knock off (1.4.7) to return the vehicle to the garage and knock off in card slot (4.1.1)；

The compression spring (1.4.7) that returns the vehicle to the garage and knock off can be compressed so that the card slot that returns the vehicle to the garage and knock off described in the card column of returning the vehicle to the garage and knock off (1.4.8) disengaging by pressing The button that returns the vehicle to the garage and knock off (1.4.6) of (4.1.1), the compression spring that returns the vehicle to the garage and knock off (1.4.7) be arranged on it is described return the vehicle to the garage and knock off button (1.4.6) with it is described before Between wheel pipe upper end connection plastic cement (1.4.1).

6. children trolley according to claim 5, which is characterized in that the collapsing mechanism (4) further includes：

It is arranged on the seat fixed column (5.5) at the seat plate (5) back side；

The clamping groove (1.4.13) of the nose-wheel well upper end connection plastic cement (1.4.1) is arranged on, when the seat plate (5) is laid flat Shi Suoshu seats fixed column (5.5) is caught in the clamping groove (1.4.13).

7. children trolley according to claim 5, which is characterized in that described return the vehicle to the garage and knock off slides the left and right ends of plastic cement (4.1) It is respectively arranged with the left connection plastic cement (4.2) of seat plate and the right connection plastic cement (4.4) of seat plate；

The left connection plastic cement (4.2) of seat plate passes through seat plate fixing pin with the right connection plastic cement (4.4) of the seat plate (4.3) it connects, the slip plastic cement (4.1) that returns the vehicle to the garage and knock off passes through the seat plate fixing pin (4.3) and the seat plate (5) back It is hinged.

8. children trolley according to claim 1, which is characterized in that the children trolley further includes foot pedal component (3), The foot pedal component (3) is clamped by the concave structure (5.2) of male connector (3.1) and the seat plate (5), and described Male connector (3.1) is connect with the trailing wheel tube assembly (2).

9. children trolley according to claim 3, which is characterized in that the trailing wheel tube assembly (2) includes：

Two trailing wheel pipes (2.1)；

Connect two trailing wheel pipe (2.1) lower ends trailing wheel connecting tube (2.4), the trailing wheel connecting tube (2.4) with it is described after The lower end of wheel pipe (2.1) connects plastic cement (2.2) by trailing wheel pipe lower end and connects；

The trailing wheel pipe upper end connection plastic cement (2.3) of two trailing wheel pipe (2.1) upper ends of connection.

10. children trolley according to claim 9, which is characterized in that the handrail tube assembly (6) includes：

Two handrail tubes (6.1) being oppositely arranged；

The first handrail pipe connections (6.2) of the trailing wheel pipe upper end connection plastic cement (2.3) are penetrated rotatably, described first helps Hand pipe connections (6.2) are connect with handrail tube one of them described (6.1) front end；

The second handrail pipe connections (6.3) being connect with handrail tube another described (6.1) front end, the second handrail tube connection Part (6.3) is connect with the first handrail pipe connections (6.2)；

The handrail tube connection deck (6.4) of two handrail tube (6.1) rear ends of connection, the handrail tube connection deck (6.4) On be provided with the semicircle buckle (6.4.3) that can be fastened in the handle pipe (8.1).