A kind of doll carriage
Technical field
The present invention relates to a kind of doll carriage.
Background technology
Doll carriage of the prior art, comprise go-cart vehicle frame with deployed condition and folded state, be arranged on the front component of the front portion, the end of described go-cart vehicle frame, be arranged on the wheel assembly at the rear portion, the end of described go-cart vehicle frame, described go-cart vehicle frame comprises front pole-bracket, with described front pole-bracket right-angled crossing and at infall phase pivot bonded assembly back pole-bracket mutually, the top phase pivot bonded assembly seat frame of anterior and described back pole-bracket, rear portion phase pivot bonded assembly lower push-rod with described seat frame, the bottom of described lower push-rod is connected with the top phase pivot of described front pole-bracket, as shown in Figure 5, described go-cart vehicle frame also comprises the bottom phase pivot bonded assembly front rod of an end and described front pole-bracket, the bottom phase pivot bonded assembly rear linking rod of one end and described back pole-bracket, bottom bar, the other end of described front rod is connected with the leading section phase pivot of described bottom bar, the other end of described rear linking rod is connected with the rearward end phase pivot of described bottom bar, described front component is arranged at the front portion of described bottom bar, and described wheel assembly is arranged at the rear portion of described bottom bar.When the go-cart vehicle frame folding, the relative described go-cart vehicle frame with described wheel assembly of described front component can not draw in, makes that the doll carriage volume after folding is bigger.
Summary of the invention
The object of the invention provides a kind of doll carriage, and its front component can draw in by relative go-cart vehicle frame with wheel assembly when folding, makes that the doll carriage volume after folding is less.
For achieving the above object, the technical solution used in the present invention is: a kind of doll carriage, comprise go-cart vehicle frame with deployed condition and folded state, be arranged on the front component of the front portion, the end of described go-cart vehicle frame, be arranged on the wheel assembly at the rear portion, the end of described go-cart vehicle frame, described go-cart vehicle frame comprises front pole-bracket, with described front pole-bracket right-angled crossing and at infall phase pivot bonded assembly back pole-bracket mutually, the top phase pivot bonded assembly seat frame of anterior and described back pole-bracket, rear portion phase pivot bonded assembly lower push-rod with described seat frame, the bottom of described lower push-rod is connected with the top phase pivot of described front pole-bracket, described go-cart vehicle frame also comprises the bottom phase pivot bonded assembly front-wheel connecting rod with described front pole-bracket, bottom phase pivot bonded assembly trailing wheel connecting rod with described back pole-bracket, bottom bar, the front portion of described bottom bar is connected with described front-wheel connecting rod phase pivot, the rear portion of described bottom bar is connected with described trailing wheel connecting rod phase pivot, described front component is arranged at the bottom of described front-wheel connecting rod, and described wheel assembly is arranged at the bottom of described trailing wheel connecting rod.
When described go-cart vehicle frame is under the deployed condition, the pivotal joint place of described bottom bar and described front-wheel connecting rod is positioned at the front lower place at the pivotal joint place of described front pole-bracket and described front-wheel connecting rod, and the pivotal joint place of described bottom bar and described trailing wheel connecting rod is positioned at the back lower place at the pivotal joint place of described back pole-bracket and described trailing wheel connecting rod.
Described front-wheel connecting rod is provided with first limiting section, described trailing wheel connecting rod is provided with second limiting section, when described go-cart vehicle frame is under the deployed condition, described front pole-bracket is against on described first limiting section, and described back pole-bracket is against on described second limiting section.
When described go-cart vehicle frame is under the deployed condition, the pivotal joint place of described front pole-bracket and described lower push-rod is positioned at the front lower place at the pivotal joint place of described seat frame and described lower push-rod.
Be provided with upper push-rod on the described lower push-rod versatilely, when described go-cart vehicle frame is under the deployed condition, relative locking between described lower push-rod and the described upper push-rod.
Because technique scheme utilization, the present invention compared with prior art has following advantage: because when folding, distance between the bottom of described front pole-bracket and the bottom of described back pole-bracket will widen, under the effect of described bottom bar, described front component just can draw in by relative go-cart vehicle frame with described wheel assembly, makes that the doll carriage volume after folding is less.
Description of drawings
Accompanying drawing 1 is an open cube display of the present invention;
Accompanying drawing 2 is an expansion scheme drawing of the present invention;
Accompanying drawing 3 is a half-lap scheme drawing of the present invention;
Accompanying drawing 4 is a folding scheme drawing of the present invention;
Accompanying drawing 5 is the scheme drawing of doll carriage in the prior art.
Wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, lower push-rod; 5, seat frame; 6, front pole-bracket; 7, back pole-bracket; 8, front-wheel connecting rod; 9, trailing wheel connecting rod; 10, bottom bar; 11, upper push-rod; 12, first limiting section.
The specific embodiment
First embodiment: a kind of doll carriage, is arranged on the wheel assembly 3 at the rear portion, the end of described go-cart vehicle frame 1 at the front component 2 of the front portion, the end that comprise go-cart vehicle frame 1 with deployed condition and folded state, is arranged on described go-cart vehicle frame 1.
Described go-cart vehicle frame 1 comprises front pole-bracket 6, with described front pole-bracket 6 right-angled crossing and at infall phase pivot bonded assembly back pole-bracket 7 mutually, the top phase pivot bonded assembly seat frame 5 of anterior and described back pole-bracket 7, rear portion phase pivot bonded assembly lower push-rod 4 with described seat frame 5, the bottom of described lower push-rod 4 is connected with the top phase pivot of described front pole-bracket 6, described go-cart vehicle frame 1 also comprises the bottom phase pivot bonded assembly front-wheel connecting rod 8 with described front pole-bracket 6, bottom phase pivot bonded assembly trailing wheel connecting rod 9 with described back pole-bracket 7, bottom bar 10, the front portion of described bottom bar 10 is connected with described front-wheel connecting rod 8 phase pivots, the rear portion of described bottom bar 10 is connected with described trailing wheel connecting rod 9 phase pivots, described front component 2 is arranged at the bottom of described front-wheel connecting rod 8, and described wheel assembly 3 is arranged at the bottom of described trailing wheel connecting rod 9.
Described front-wheel connecting rod 8 is provided with first limiting section 12, described first limiting section 12 can be arranged at the top of described front-wheel connecting rod 8, also can be arranged at the bottom of described front-wheel connecting rod 8, described trailing wheel connecting rod 9 is provided with second limiting section, described second limiting section can be arranged at the top of described trailing wheel connecting rod 9, also can be arranged at the bottom of described trailing wheel connecting rod 9, when described go-cart vehicle frame 1 is under the deployed condition, described front pole-bracket 6 is against on described first limiting section 12, and described back pole-bracket 7 is against on described second limiting section.Described first limiting section 12 makes described go-cart vehicle frame 1 stably be in deployed condition with described second limiting section.
When described go-cart vehicle frame 1 is under the deployed condition, the pivotal joint place of described front pole-bracket 6 and described lower push-rod 4 is positioned at the front lower place at described seat frame 5 and the pivotal joint place of described lower push-rod 4.
Be provided with upper push-rod 11 versatilely on the described lower push-rod 4, when described go-cart vehicle frame 1 is under the deployed condition, relative locking between described lower push-rod 4 and the described upper push-rod 11.Between described lower push-rod 4 and the described upper push-rod 11 can the time be provided with rotationally, also can be provided with slidably, when doll carriage was folding, described upper push-rod 11 can described relatively lower push-rod 4 folding gatherings in.
Second embodiment: shown in accompanying drawing 1-accompanying drawing 4, a kind of doll carriage, is arranged on the wheel assembly 3 at the rear portion, the end of described go-cart vehicle frame 1 at the front component 2 of the front portion, the end that comprise go-cart vehicle frame 1 with deployed condition and folded state, is arranged on described go-cart vehicle frame 1.
Described go-cart vehicle frame 1 comprises front pole-bracket 6, with described front pole-bracket 6 right-angled crossing and at infall phase pivot bonded assembly back pole-bracket 7 mutually, the top phase pivot bonded assembly seat frame 5 of anterior and described back pole-bracket 7, rear portion phase pivot bonded assembly lower push-rod 4 with described seat frame 5, the bottom of described lower push-rod 4 is connected with the top phase pivot of described front pole-bracket 6, described go-cart vehicle frame 1 also comprises the bottom phase pivot bonded assembly front-wheel connecting rod 8 with described front pole-bracket 6, bottom phase pivot bonded assembly trailing wheel connecting rod 9 with described back pole-bracket 7, bottom bar 10, the front portion of described bottom bar 10 is connected with described front-wheel connecting rod 8 phase pivots, the rear portion of described bottom bar 10 is connected with described trailing wheel connecting rod 9 phase pivots, described front component 2 is arranged at the bottom of described front-wheel connecting rod 8, and described wheel assembly 3 is arranged at the bottom of described trailing wheel connecting rod 9.
When described go-cart vehicle frame 1 is under the deployed condition, the pivotal joint place of described bottom bar 10 and described front-wheel connecting rod 8 is positioned at the front lower place at the pivotal joint place of described front pole-bracket 6 and described front-wheel connecting rod 8, and the pivotal joint place of described bottom bar 10 and described trailing wheel connecting rod 9 is positioned at the back lower place at the pivotal joint place of described back pole-bracket 7 and described trailing wheel connecting rod 9.On the described bottom bar 10 underframe can be set.
As shown in Figure 3, described front-wheel connecting rod 8 is provided with first limiting section 12, described first limiting section 12 can be arranged at the top of described front-wheel connecting rod 8, also can be arranged at the bottom of described front-wheel connecting rod 8, described trailing wheel connecting rod 9 is provided with second limiting section, described second limiting section can be arranged at the top of described trailing wheel connecting rod 9, also can be arranged at the bottom of described trailing wheel connecting rod 9, when described go-cart vehicle frame 1 is under the deployed condition, described front pole-bracket 6 is against on described first limiting section 12, and described back pole-bracket 7 is against on described second limiting section.Described first limiting section 12 makes described go-cart vehicle frame 1 stably be in deployed condition with described second limiting section.
When described go-cart vehicle frame 1 is under the deployed condition, the pivotal joint place of described front pole-bracket 6 and described lower push-rod 4 is positioned at the front lower place at described seat frame 5 and the pivotal joint place of described lower push-rod 4.
Be provided with upper push-rod 11 versatilely on the described lower push-rod 4, when described go-cart vehicle frame 1 is under the deployed condition, relative locking between described lower push-rod 4 and the described upper push-rod 11.Between described lower push-rod 4 and the described upper push-rod 11 can the time be provided with rotationally, also can be provided with slidably, when doll carriage was folding, described upper push-rod 11 can described relatively lower push-rod 4 folding gatherings in.