CN105128914B

CN105128914B - Lightweight stroller

Info

Publication number: CN105128914B
Application number: CN201510551468.4A
Authority: CN
Inventors: 武海波
Original assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Current assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Priority date: 2015-08-31
Filing date: 2015-08-31
Publication date: 2019-03-12
Anticipated expiration: 2035-08-31
Also published as: CN105128914A

Abstract

The invention discloses lightweight strollers, including handle, push rod, handrail, foreleg bar, back leg bar, first back stay, second back stay and wheel, the lower end of handle is hinged by the upper end of a locking mechanism and push rod, the locking mechanism has the rotating switch for unlocking the locking mechanism, handrail is hinged by the lower end in unlock joint and push rod, the unlock joint passes through transmission mechanism and locking mechanism linkage of unlocking, the upper end of foreleg bar and the upper end of back leg bar are hinged with the lower end of handrail, wheel is installed in the lower end of foreleg bar and back leg bar respectively, the upper end of first back stay and the lower end of push rod are hinged, the upper end of second back stay and the lower end of the first back stay are hinged, the lower end of second back stay and back leg bar are hinged, first back stay and the second back stay form the folded piece bent to foreleg bar indent.The volume after folding of energy simple realization smaller size of the present invention, carrying convenience.

Description

Lightweight stroller

Technical field

The present invention relates to stroller more particularly to lightweight strollers.

Background technique

Stroller generally comprises foreleg bar, back leg bar, handrail, push rod, back support bar and wheel, before wheel is installed in respectively The lower end of leg bar and back leg bar, one end of handrail are articulated in the middle part of push rod, be respectively articulated in the middle part of handrail foreleg bar upper end and The upper end of back leg bar, push rod, back support bar lower end be connected respectively with back leg bar.

Above stroller will generally form the folding structure of a four link type, since ruler is unfolded in all kinds of strollers Very little essentially identical, so the size of folding is larger, and folding operation and carrying are not convenient.

Summary of the invention

For overcome the deficiencies in the prior art, the purpose of the present invention is to provide lightweight strollers, can simple realization The volume after folding of smaller size, carrying convenience.

The purpose of the present invention is implemented with the following technical solutions:

It is propped up after lightweight stroller, including handle, push rod, handrail, foreleg bar, back leg bar, the first back stay, second The lower end of bar and wheel, handle is hinged by the upper end of a locking mechanism and push rod, which has for unlocking the lock Determine the rotating switch of mechanism, handrail is hinged by the lower end in unlock joint and push rod, the unlock joint by transmission mechanism with Locking mechanism linkage of unlocking, the upper end of foreleg bar and the lower end of handrail are hinged, the upper end of back leg bar and the lower end phase of handrail Even, wheel is installed in the lower end of foreleg bar and back leg bar respectively, and the upper end of the first back stay and the lower end of push rod are hinged, after second The upper end of strut and the lower end of the first back stay are hinged, and the lower end of the second back stay and back leg bar are hinged, the first back stay and Two back stays form the folded piece bent to foreleg bar indent.

Preferably, the upper end of foreleg bar is hinged by the lower end of one first cradle head and handrail, the upper end of back leg bar It is fixed on first cradle head.

Preferably, the upper end of the second back stay and the lower end of the first back stay are hinged by revolute pair.

Preferably, push rod is in U-typed, and handrail is two, and the upper end of two handrails is hingedly connected under the two sides of push rod It holds, is connected with seatpost between two handrails, which is in U-typed.

Preferably, it is hinged in the middle part of the first back stay and leans against bar.

Preferably, wheel is installed in the lower end of back leg bar by one second cradle head.

Compared with prior art, the beneficial effects of the present invention are:

The present invention is in pairs by handle, push rod, handrail, foreleg bar, back leg bar, the first back stay, the second back stay group Four-bar mechanism, can link jackknife action, and in triggering rotating switch, after unlocking locking mechanism, then foldable handle, which can 180 ° of rotation simultaneously drives unlocking mechanism driving unlock joint linkage of unlocking, then the direction that push rod can be opposite with handle turns folding, And then handrail, foreleg bar, back leg bar contraction folding and the first back stay, the second back stay is driven to shrink this, thus real Rotating switch is now once triggered, the foldable integral of this lightweight stroller can be completed, operates simple and convenient, and is propped up after first Bar and the second back stay, which are formed to the folded piece that foreleg bar indent is bent, can form inside folding, be conducive to reduce folded volume Size, consequently facilitating carrying.

Detailed description of the invention

Fig. 1 is the schematic perspective view of lightweight stroller of the present invention；

Fig. 2 is schematic diagram of the lightweight stroller of the present invention in handle folding process；

Fig. 3 is schematic diagram of the lightweight stroller of the present invention in push rod folding process；

Fig. 4 be lightweight stroller of the present invention schematic diagram in folding process of handrail, foreleg bar, back leg bar it One；

Fig. 5 be lightweight stroller handrail of the present invention, the schematic diagram of foreleg bar, back leg bar in folding process it Two；

Fig. 6 is that lightweight stroller of the present invention folds the schematic diagram completed.

In figure: 1, handle；2, push rod；3, handrail；4, foreleg bar；5, back leg bar；6, the first back stay；7, it props up after second Bar；8, wheel；9, rotating switch；10, joint is unlocked；11, the first cradle head；12, revolute pair；13, seatpost；14, bar is leaned against； 15, the second cradle head.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention:

The lightweight stroller as shown in Fig. 1~2, including handle 1, push rod 2, handrail 3, foreleg bar 4, back leg bar 5, The lower end of first back stay 6, the second back stay 7 and wheel 8, handle 1 is hinged by the upper end of a locking mechanism and push rod 2, lock Determining mechanism has for positioning the relative position of handle 1 and push rod 2, the locking mechanism upon deployment for unlocking the locking mechanism Rotating switch 9, handrail 3 by unlock joint 10 and the lower end of push rod 2 it is hinged, the unlock joint 10 for upon deployment calmly Position push rod 2 and handrail 3, the unlock joint 10 by transmission mechanism and locking mechanism linkage of unlocking, the upper end of foreleg bar 4 with help The lower end of hand lever 3 is hinged, and the upper end of back leg bar 5 is connected with the lower end of handrail 3, and wheel 8 is installed in foreleg bar 4 and back leg respectively The lower end of bar 5, the upper end of the first back stay 6 and the lower end of push rod 2 are hinged, the upper end of the second back stay 7 and the first back stay 6 Lower end is hinged, and the lower end of the second back stay 7 and back leg bar 5 are hinged, and the first back stay 6 and the second back stay are formed to foreleg bar 4 The folded piece of indent bending.

It is in pairs by handle 1, push rod 2, handrail 3, foreleg bar 4, back leg bar 5, the first back stay 6,7 groups of the second back stay Four-bar mechanism, can link jackknife action, in triggering rotating switch 9, after unlocking locking mechanism, then and foldable handle 1, the folding Rotatable 180 ° and drive unlocking mechanism driving unlock 10 linkage of unlocking of joint, the then rotation of push rod 2 can be opposite with handle 1 direction It folds, and then handrail 3, foreleg bar 4, the contraction of back leg bar 5 folding and the first back stay 6, the second back stay 7 is driven to shrink this , to realize primary triggering rotating switch 9, the foldable integral of this lightweight stroller can be completed, simple and convenient is operated, And the first back stay 6 and the second back stay 7 formed to 4 indent of foreleg bar bend folded piece can form inside folding, conducive to subtracting Small folded volume size, consequently facilitating carrying.

Wherein, the folding process of handle 1 is as shown in Figure 2；The folding process of push rod 2 is as shown in Figure 3；After pushing push rod 2, help Hand lever 3, foreleg bar 4, the folding process of back leg bar 5 are as shown in Figure 4, Figure 5.Structure after the completion of folding is as shown in Figure 6.Locking machine Structure can be used elastic protruding pin and be connected to unlock joint 10 by transmission mechanism, and the rotation of Lai Shixian handle 1 drives unlock joint 10 Unlock the transmitting of driving force.Transmission mechanism can be used the modes such as wire, steel pole and carry out transmitting driving force, can make elastic protruding pin will Handrail 3 is locked or unlocked with push rod 2, and conventional buckle structure can also be used to realize the linkage of unlocking function.

As a preferred embodiment, smoothly to fold and unfold, the upper end of foreleg bar 4 passes through one first Cradle head 11 and the lower end of handrail 3 are hinged, and first cradle head 11 is fixed in the upper end of back leg bar 5.First rotation is closed After the upper end of joint sleeve suit foreleg bar 4 and the upper end of back leg bar 5 can be used in section 11, hingedly realized with pin shaft.

Further swimmingly to fold and unfold, the lower end of the upper end of the second back stay 7 and the first back stay 6 is by turning Dynamic pair 12 is hinged.Revolute pair 12 can be the modes such as turning joint, hinged shaft and realize.

To promote stationary performance, push rod 2 is in U-typed, and handrail 3 is two, and the upper end of two handrails 3 is hingedly connected to push away The two sides lower end of bar 2, seatpost 13 is connected between two handrails 3, and seatpost 13 is used to form the supporting element of support baby, the seatpost 13 be in U-typed.It being hinged in the middle part of first back stay 6 and leans against bar 14, this leans against the back rest that bar 14 is used to form support baby, It is can turn to when folding and is parallel to handrail 3, folding is tightened with volume as small as possible.

For convenience of the steering of wheel 8, as shown in Fig. 2, wheel 8 is installed in back leg bar 5 by one second cradle head 15 Lower end provides flexible turning function by the second cradle head 15 for wheel 8.

It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention Within.

Claims

1. lightweight stroller, which is characterized in that including being propped up after handle, push rod, handrail, foreleg bar, back leg bar, first The lower end of bar, the second back stay, wheel and rear wheel mounting rod, handle is hinged by the upper end of a locking mechanism and push rod, should Locking mechanism has the rotating switch for unlocking the locking mechanism, and handrail is hinged by the lower end in unlock joint and push rod, The unlock joint passes through one first cradle head and handrail by transmission mechanism and locking mechanism linkage of unlocking, the upper end of foreleg bar The lower end of bar is hinged, and first cradle head is fixed in the upper end of back leg bar, and first cradle head includes joint sleeve and pin Axis, the upper end of the joint sleeve suit foreleg bar and the upper end of back leg bar, hinged, the upper end of back leg bar is realized by the pin shaft It is connected with the lower end of handrail, the wheel is installed in the lower end of the rear wheel mounting rod and the foreleg bar respectively, described Rear wheel mounting rod is installed in the lower end of the back leg bar by the second cradle head, under the upper end and push rod of the first back stay End is hinged, and the upper end of the second back stay and the lower end of the first back stay are hinged, and the middle part of the first back stay and back leg bar are hinged, the The lower end of two back stays and the mounting rod of rear wheel are hinged, and the upper end of the mounting rod of rear wheel passes through the second cradle head and back leg Bar is hinged.

2. lightweight stroller according to claim 1, which is characterized in that propped up behind the upper end of the second back stay and first The lower end of bar is hinged by revolute pair.

3. described in any item lightweight strollers according to claim 1~2, which is characterized in that push rod is in U-typed, handrail Bar is two, and the upper end of two handrails is hingedly connected to the two sides lower end of push rod, be connected with seatpost between two handrails, the seatpost In U-typed.

4. lightweight stroller according to claim 3, which is characterized in that be hinged with and lean against in the middle part of the first back stay Bar.