CN205769426U - A kind of folding pushchair - Google Patents

Abstract

A kind of folding pushchair, is provided with left socle, right support and cross-connect unit, described left socle and described right support and is correspondingly arranged in the both sides of described cross-connect unit respectively, and described cross-connect unit is movably hinged in described left socle and described right support；Described left socle is identical with the structure of described right support, is respectively arranged with armrest part assembly, support component, front wheels and rear wheels, and described front wheels and rear wheels is assemblied in the two ends of described support component respectively；Described support component is provided with stay tube and a locking mechanism, and described locking mechanism is assemblied in described stay tube, and described armrest part assembly is provided with longitudinal pipe, the department of assembly being individually fixed in described longitudinal pipe two ends and armrest part；One end of described department of assembly is movably installed in described stay tube and can rotate with a stay tube of close or remotely mounted trailing wheel one end around assembling position, and the other end of described department of assembly is locked by described locking mechanism.This folding pushchair folding convenient, volume after folding are little.

Description

A kind of folding pushchair

Technical field

This utility model relates to handbarrow technical field, particularly relates to a kind of folding pushchair.

Background technology

Handbarrow, as one aid simply and easily, is widely used in the life of people.Along with making With the extension of occasion, collection, the transport performance of handbarrow be it is also proposed higher requirement.In some fields, gradually pursue hands The performance that go-cart can conveniently fold.

Folding pushchair of the prior art, is directly folded in one by the support body of the left and right sides towards center often Rising, this folding mode is still limited by the restriction of left and right sides frame structure, and the volume after folding will not be less than the left and right sides The structure of support body.Other folding mode and to there is structure complicated, folds the defect of inconvenience.

Therefore, not enough for prior art, it is provided that a kind of folding convenient, volume after folding are little, the folding hand of convenient transport Go-cart is to overcome prior art deficiency the most necessary.

Summary of the invention

A kind of folding pushchair, this folding are provided in place of the purpose of this utility model is to avoid the deficiencies in the prior art The feature that handbarrow has folding convenient, volume after folding is little, is not only convenient for storage and convenient transport.

Above-mentioned purpose of the present utility model is realized by following technological means.

A kind of folding pushchair is provided, is provided with left socle, right support and cross-connect unit, described left socle and the described right side Support is correspondingly arranged in the both sides of described cross-connect unit respectively, and described cross-connect unit is movably hinged in described left socle and institute State right support；

Described left socle is identical with the structure of described right support, be respectively arranged with armrest part assembly, support component, front-wheel and Trailing wheel, described front wheels and rear wheels is assemblied in the two ends of described support component respectively；

Described support component is provided with stay tube and a locking mechanism, and described locking mechanism is assemblied in described stay tube, described Armrest assembly is provided with longitudinal pipe, the department of assembly being individually fixed in described longitudinal pipe two ends and armrest part；Described front-wheel is set to Universal wheel, described front-wheel is removably plugged in one end of described support component；

One end of described department of assembly is movably installed in described stay tube can be around assembling position with close or away from peace A stay tube equipped with trailing wheel one end rotates, and the other end of described department of assembly is locked by described locking mechanism, when described dress When portion of joining is locked by described locking mechanism, described department of assembly can not rotate around described stay tube.

Preferably, above-mentioned locking mechanism is provided with insertion body, spring and movable transverse axis, and described stay tube is provided with a pair First fluting, the length of described first fluting is more than the diameter of described movable transverse axis；

Described insertion body is provided with a pair the second fluting matched with described first fluting, and described insertion body inserts And it being socketed on described stay tube, described first fluting is superimposed with corresponding described second slotting position, and described movable transverse axis is worn The end, two ends being located at described first fluting and described second fluting and described movable transverse axis is exposed independent from slotting in described second, institute State spring be assemblied in the inner chamber of described insertion body and abut with described movable transverse axis.

Preferably, the two ends of above-mentioned movable transverse axis are provided with switch knob, and described switch knob is fixing is assemblied in described movable transverse axis.

Preferably, above-mentioned locking mechanism is additionally provided with movable inner sleeve and fixing nail, and described movable inner sleeve is by described fixing Nail is fixing, and described spring is assemblied in the inner chamber of described insertion body and abuts with described movable inner sleeve.

Preferably, above-mentioned stay tube is provided with a pair first through holes, and described department of assembly is provided with body, a pair movable clamp groove Position and a pair second through holes matched with described first through hole, described second through hole, movable clamp groove position lay respectively at described Body two ends；

Described body activity is made to be assemblied in described stay tube by rotary shaft through described second through hole, the first through hole；

Described movable clamp groove position matches with described movable transverse axle construction, when described body turns to around described rotary shaft During away from the position of trailing wheel one end, described movable clamp groove position is assembled by described movable transverse axis.

Preferably, the inner side of above-mentioned movable clamp groove position includes epimere, segmental arc and the hypomere being sequentially connected, described epimere Sideline L is parallel with the axis M of described stay tube, and the sideline P of described hypomere intersects with the axis M of described stay tube, sideline P And the included angle A between the M of axis is in the range of 2-10 degree, when gradually moving the inner end positions to hypomere from the outer end of hypomere, under The distance between some distance epimere in section tapers into.

Preferably, the included angle A between sideline P and axis M is in the range of 3-6 degree.

Preferably, above-mentioned axis M intersects with horizontal plane, one end of the close front-wheel of described stay tube distance horizontal plane it Between distance more than distance between the horizontal plane of one end of close the trailing wheel of described stay tube.

Preferably, the end away from described segmental arc of above-mentioned hypomere is set to chamfering structure.

Preferably, the outer end of above-mentioned hypomere is connected to straight line S and described the stay tube at changeover portion place of described body Axis M intersect, the angle G between straight line S and axis M in the range of 15-40 degree, from the outer end of hypomere along changeover portion by When gradually moving, the biggest further away from the distance between the some distance epimere on the changeover portion at outer end.

Preferably, above-mentioned angle G is in the range of 25-30 degree.

Folding pushchair of the present utility model, is provided with left socle, right support and cross-connect unit, described left socle and institute Stating right support and be correspondingly arranged in the both sides of described cross-connect unit respectively, described cross-connect unit is movably hinged in described left socle With described right support；Described left socle is identical with the structure of described right support, be respectively arranged with armrest part assembly, support component, Front wheels and rear wheels, described front wheels and rear wheels is assemblied in the two ends of described support component respectively；Described front-wheel is set to universal wheel, institute Stating front-wheel and be removably plugged in one end of described support component, universal wheel can realize direction self-locking and fix or universal rotational Function.Described support component is provided with stay tube and a locking mechanism, and described locking mechanism is assemblied in described stay tube, described in hold up Hand assembly is provided with longitudinal pipe, the department of assembly being individually fixed in described longitudinal pipe two ends and armrest part；Armrest part activity is assembled On armrest assembly, and can with height up and down distance or transport time whole armrest part disassemble be easy to storage.Institute State one end of department of assembly and be movably installed in described stay tube can be around assembling position with close or remotely mounted trailing wheel one end Stay tube rotate, the other end of described department of assembly locks by described locking mechanism, when described department of assembly passes through described During locking mechanism locking, described department of assembly can not rotate around described stay tube.After this folding pushchair has folding convenient, folding The feature that volume is little, is not only convenient for storage and convenient transport.

Accompanying drawing explanation

Utilize accompanying drawing that this utility model is further described, but the content in accompanying drawing is not constituted of the present utility model Any restriction.

Fig. 1 is the structural representation of a kind of folding pushchair of this utility model.

Fig. 2 is the folded state schematic diagram of Fig. 1.

Fig. 3 is the structural representation of the left socle of a kind of folding pushchair of this utility model.

Fig. 4 is the decomposition texture schematic diagram of Fig. 3.

Fig. 5 is the schematic diagram of the movable clamp groove position disengaging movable transverse Spindle Status of Fig. 3.

Fig. 6 is the folded state schematic diagram of Fig. 3.

Fig. 7 is the part-structure schematic diagram of Fig. 3.

Fig. 8 is the A district enlarged diagram of Fig. 7.

In Fig. 1 to Fig. 8, including:

Left socle 10, right support 20, cross-connect unit 30,

Support component,

Stay tube 410, first slot the 411, first through hole 412,

Locking mechanism,

Insert body 421, second slot 4211, inner chamber 4212,

Spring 422,

Movable transverse axis 423,

Switch knob 424,

Movable inner sleeve 425, fixing nail 426,

Armrest assembly,

Longitudinal pipe 510,

Department of assembly 520,

Body the 521, second through hole 522,

Movable clamp groove position 523,

Epimere 5231, segmental arc 5232, hypomere 5233,

Changeover portion 5234, chamfering 5235,

Rotary shaft 524,

Armrest part 530,

Front-wheel 13,

Trailing wheel 14.

Detailed description of the invention

With the following Examples this utility model is further described.

A kind of folding pushchair, as shown in Figures 1 to 8, is provided with left socle 10, right support 20 and cross-connect unit 30, Left socle 10 and right support 20 are correspondingly arranged in the both sides of cross-connect unit 30 respectively, and cross-connect unit 30 is movably hinged props up in a left side Frame 10 and right support 20.Left socle 10 is identical with the structure of right support 20, is respectively arranged with armrest part assembly, support component, front Wheel 13 and trailing wheel 14, front-wheel 13 and trailing wheel 14 are assemblied in the two ends of a support component respectively.Pin left socle 10 and right support respectively 20, by close to left socle 10 and right support 20, cross-connect unit 30 will be deformed so that left socle 10 and right support 20 are close Draw in.This kind mode of closing up is known in the art general knowledge, and the structure of cross-connect unit 30 does not repeats them here.

Front-wheel is set to universal wheel, and front-wheel is removably plugged in one end of a support component, and universal wheel can the side of realization Fix to self-locking or the function of universal rotational.The mode being plugged in a support component is readily accessible, convenient transport or storage.

This folding pushchair can also realize left socle 10, the folding of right support 20 is collected so that after handbarrow folds Volume is less.

Concrete, a support component is provided with stay tube 410 and a locking mechanism, and locking mechanism is assemblied in a stay tube 410, handrail Parts is provided with longitudinal pipe 510, the department of assembly 520 being individually fixed in longitudinal pipe 510 two ends and armrest part 530.Armrest part can It is assemblied on armrest assembly being set to activity, and can be with whole armrest part dismounting when height up and down distance or transport Get off to be easy to storage.

One end of department of assembly 520 is movably installed in stay tube 410 can be around 520, department of assembly with close or away from peace A stay tube 410 of dress trailing wheel 14 one end rotates, and the other end of department of assembly 520 is locked by locking mechanism.When department of assembly 520 When being locked by locking mechanism, department of assembly 520 can not rotate around a stay tube 410, and now handbarrow is deployed condition.When lock-bit machine When structure is opened, department of assembly 520 can depart from or load department of assembly 520, carries out being folded by the handbarrow of deployed condition or inciting somebody to action The handbarrow of folded state launches to be assemblied in locking mechanism.

Concrete, locking mechanism is provided with insertion body 421, spring 422 and movable transverse axis 423, and a stay tube 410 is provided with A pair first flutings 411, the length of the first fluting 411 is more than the diameter of movable transverse axis 423, and so, movable transverse axis 423 is assemblied in Just can move in the first fluting 411 after first fluting 411.

Insert the second fluting 4211 that body 421 is provided with a pair and matches with the first fluting 411, insert body and insert also Being socketed on stay tube 410, the first fluting 411 4211 positions of slotting with corresponding second are superimposed, and activity transverse axis 423 is arranged in the The end, two ends of one fluting 411 and the second fluting 4211 and movable transverse axis 423 is exposed independent from the second fluting 4211, and spring 422 fills It is assigned in and inserts the inner chamber 4212 of body 421 and abut with movable transverse axis 423.Due to the effect of spring 422, movable transverse can be promoted Axle 423 reciprocates along first fluting the 411, second fluting 4211.For the ease of movement, the two ends of movable transverse axis 423 are arranged Having switch knob 424, switch knob 424 is fixing is assemblied in movable transverse axis 423.The shape of toggle could be arranged to cylinder, it is also possible to arranges For other shape.

For the most fixing spring 422, the degree of stability that raising activity transverse axis 423 moves back and forth, locking mechanism is additionally provided with Movable inner sleeve 425 and fixing nail 426, movable inner sleeve 425 is fixing by fixing nail 426, and spring 422 is assemblied in insertion body 421 Inner chamber 4212 and abut with movable inner sleeve 425.

The locking to department of assembly 520 is realized by mobile movable transverse axis 423.Concrete, a stay tube 410 is provided with a pair the One through hole 412, department of assembly 520 is provided with a pair that body 521, a pair movable clamp groove position 523 and the first through hole 412 match Two through holes 522, the second through hole 522, movable clamp groove position 523 lay respectively at body 521 two ends.

Body 521 activity is made to be assemblied in a stay tube by rotary shaft 524 through second through hole the 522, first through hole 412 410.Body 521 and the longitudinal pipe 510 of assembling fixing with body 521, armrest part 530 entirety can be carried out around rotary shaft 524 Rotate.

Movable clamp groove position 523 matches, when body turns to far around described rotary shaft 524 with movable transverse axis 423 structure When the position of trailing wheel 14 one end, movable clamp groove position 523 is assembled by movable transverse axis 423.Under handbarrow is deployed condition, this Time, spring 422 is in extended configuration, and movable transverse axis 423 is extruded towards first fluting the 411, second fluting 4211 by spring 422 Near a side shifting of trailing wheel 14, movable clamp groove position 523 is blocked with movable transverse axis 423, and a stay tube 410 is fixed with armrest part assembly Assembling.When folded, promote switch knob make movable transverse axis 423 along first fluting the 411, second fluting 4211 away from One side shifting of trailing wheel 14, now spring 422 is squeezed, and along with movable transverse axis 423 gradually moves, movable clamp groove position 523 will Disengage with movable transverse axis 423, now with rotary handle parts, armrest part assembly entirety can be moved around rotary shaft 524 Dynamic, longitudinal pipe 510 overlaps with a stay tube 410, unclamps switch knob 424 rear spring 422 and sets back, and movable transverse axis 423 reversely moves, Again reset.When the handbarrow of folded state is launched, longitudinal pipe 510 is opened with rotary shaft 524 for axle, active card Groove position 523 is at the position gradually Compressive activities transverse axis 423 near movable transverse axis 423 so that movable transverse axis 423 promotes spring 422 Move towards the direction near front-wheel 13, and finally make movable clamp groove position 523 fixing with movable transverse axis 423 assembling, work as activity After slot 523 assembles with movable transverse axis 423, spring 422 reversely promotes movable transverse axle 423 reversely to move under the effect of resilience force Dynamic so that movable clamp groove position 523 and the movable stable assembling of transverse axis 423.

As shown in Figure 7, Figure 8, the inner side of movable clamp groove position 523 includes epimere 5231, segmental arc 5232 and being sequentially connected Hypomere 5233, the sideline L of epimere 5231 is parallel with the axis M of a stay tube 410, the sideline P of hypomere 5233 and a stay tube 410 Axis M intersects, and the included angle A between sideline P and axis M, in the range of 2-10 degree, gradually moves from the outer end of hypomere 5233 During to the inner end positions of hypomere 5233, the distance between some distance epimere 5231 on hypomere 5233 tapers into.Sideline P with in Axis M is that the structure of angle is arranged, it is simple to user produces pressure when sitting down and in the case of Xia Ya department of assembly 520, activity Draw-in groove is also carried out descending pressure drop low accordingly, make movable transverse axis 423 under the effect of compression spring 422 further toward the first fluting, the One end of the close trailing wheel 14 of two flutings is imbedded such that it is able to play the anti-loosening effect come off, it is to avoid during use Potential safety hazard.Preferably, the included angle A between sideline P and axis M is in the range of 3-6 degree.

Axis M intersects with horizontal plane, and the distance between one end distance horizontal plane of the close front-wheel 13 of a stay tube 410 is big Distance between one end distance horizontal plane of the close trailing wheel 14 of a stay tube 410.Hypomere 5233 away from described segmental arc The end of 5232 is set to chamfering 5235 structure, it is simple to movable clamp groove snaps in or disengaging activity transverse axis 423.

Snapping in or depart from transverse axis to further facilitate movable clamp groove, the outer end of hypomere is connected to the changeover portion of main body The straight line S at 5234 places intersects with the axis M of a stay tube 410, and the angle G between straight line S and axis M is in the range of 15- 40 degree, preferably 25-30 degree.During from the outer end of hypomere 5233 along changeover portion 5234 gradually shift position, at outer end Changeover portion 5234 on some distance epimere 5231 between distance the biggest.Make the movable transverse axis 423 can be to folded state When handbarrow launches, it is simple to automatically can move reset along peripheral edge.

It should be noted that this folding pushchair also should arrange loading framework, seat, backrest etc. according to specific needs, Specifically can assemble according to different use occasions, do not repeat them here.

This folding pushchair, it is possible to achieve left socle 10, right support 20 folding close to each other, and can realize propping up a left side Frame 10, right support 20 fold respectively close to respective stay tube.Handbarrow folding, volume after folding can be carried out easily Little, not only convenient storage and also be readily transported.

It is last it should be noted that, above example is only in order to illustrate the technical solution of the utility model rather than to this practicality The restriction of novel protected scope, although this utility model being explained in detail with reference to preferred embodiment, the common skill of this area Art personnel should be appreciated that and can modify the technical solution of the utility model or equivalent, without deviating from this practicality The spirit and scope of new technique scheme.

Claims (10)

1. a folding pushchair, it is characterised in that: be provided with left socle, right support and cross-connect unit, described left socle and Described right support is correspondingly arranged in the both sides of described cross-connect unit respectively, and described cross-connect unit is movably hinged props up in a described left side Frame and described right support；

Described left socle is identical with the structure of described right support, be respectively arranged with armrest part assembly, support component, front-wheel and after Wheel, described front wheels and rear wheels is assemblied in the two ends of described support component respectively；Described front-wheel is set to universal wheel, described front-wheel with Removably is plugged in one end of described support component；

Described support component is provided with stay tube and a locking mechanism, and described locking mechanism is assemblied in described stay tube, described handrail Assembly is provided with longitudinal pipe, the department of assembly being individually fixed in described longitudinal pipe two ends and armrest part；

One end of described department of assembly be movably installed in described stay tube and can around assembling position with near or remotely mounted have A stay tube of trailing wheel one end rotates, and the other end of described department of assembly is locked by described locking mechanism, when described department of assembly When being locked by described locking mechanism, described department of assembly can not rotate around described stay tube.

Folding pushchair the most according to claim 1, it is characterised in that: described locking mechanism is provided with insertion body, bullet Spring and movable transverse axis, described stay tube is provided with a pair first flutings, and the length of described first fluting is more than described movable transverse axis Diameter；

Described insertion body is provided with a pair the second fluting matched with described first fluting, and described insertion body inserts and overlaps Being connected to described stay tube, described first fluting is superimposed with corresponding described second slotting position, and described movable transverse axis is arranged in The end, two ends of described first fluting and described second fluting and described movable transverse axis is exposed independent from slotting in described second, described bullet Spring is assemblied in the inner chamber of described insertion body and abuts with described movable transverse axis.

Folding pushchair the most according to claim 2, it is characterised in that: the two ends of described movable transverse axis are provided with switch knob, Described switch knob is fixing is assemblied in described movable transverse axis.

Folding pushchair the most according to claim 3, it is characterised in that: described locking mechanism be additionally provided with movable inner sleeve and Fixing nail, described movable inner sleeve fixed by described fixing nail, described spring be assemblied in described insertion body inner chamber and with institute State movable inner sleeve to abut.

Folding pushchair the most according to claim 4, it is characterised in that:

Described stay tube is provided with a pair first through holes, and described department of assembly is provided with body, a pair movable clamp groove position and with described A pair second through holes that first through hole matches, described second through hole, movable clamp groove position lay respectively at described body two ends；

Described body activity is made to be assemblied in described stay tube by rotary shaft through described second through hole, the first through hole；

Described movable clamp groove position matches with described movable transverse axle construction, when described body around described rotary shaft turn to away from During the position of trailing wheel one end, described movable clamp groove position is assembled by described movable transverse axis.

Folding pushchair the most according to claim 5, it is characterised in that: the inner side of described movable clamp groove position includes phase successively Epimere, segmental arc and hypomere even, the sideline L of described epimere is parallel with the axis M of described stay tube, the sideline of described hypomere P intersects with the axis M of described stay tube, and the included angle A between sideline P and axis M is in the range of 2-10 degree, outside hypomere When end gradually moves the inner end positions to hypomere, the distance between some distance epimere on hypomere tapers into.

Folding pushchair the most according to claim 6, it is characterised in that: the model of the included angle A between sideline P and axis M Enclose for 3-6 degree.

Folding pushchair the most according to claim 7, it is characterised in that: described axis M intersects with horizontal plane, described Distance between one end distance horizontal plane of the close front-wheel of stay tube is more than one end distance water of the close trailing wheel of described stay tube Distance between plane.

Folding pushchair the most according to claim 8, it is characterised in that: the end away from described segmental arc of described hypomere It is set to chamfering structure.

Folding pushchair the most according to claim 8, it is characterised in that: the outer end of described hypomere is connected to described body The straight line S at changeover portion place intersect with the axis M of described stay tube, the scope of the angle G between straight line S and axis M For 15-40 degree, from the outer end of hypomere along changeover portion gradually move time, further away from the some distance epimere on the changeover portion at outer end Between distance the biggest.