CN101497346A

CN101497346A - Pushrod component of baby carriage

Info

Publication number: CN101497346A
Application number: CNA2009101150787A
Authority: CN
Inventors: 高翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2009-03-12
Filing date: 2009-03-12
Publication date: 2009-08-05
Anticipated expiration: 2029-03-12
Also published as: CN101497346B

Abstract

The invention discloses a handspike component for a baby carriage. The handspike comprises a push handle middle piece, push handle side pieces, a handspike, a locking mechanism arranged between the push handle middle piece and at least one push handle side piece, a reversion part which is arranged between the locking mechanism and the push handle middle piece and makes the locking mechanism towards unlocking and a traction rope for controlling the locking mechanism to convert between the locking state and the unlocking state; one end part of the traction rope is connected with the reversion part; the handspike component also comprises a toggling part which is movably connected to the handspike and is connected with the other end part of the traction rope and an upper connecting rod which is glidingly sleeved on the handspike, can slide along the handspike and control the toggling part to move so as to drive the traction rope to move. The handspike component utilizes the folding and the unfolding of a carriage frame to drive the locking and the unlocking of the push handle middle piece and the push handle side pieces, needs no manual operation and can save operation of a user; and the baby carriage is more convenient to fold and unfold.

Description

The push-rod assembly of perambulator

Technical field

The present invention relates to improvement for the push-rod assembly of children trolley.

Background technology

Existing children trolley is folding structure a lot, the junction corresponding setting of each parts has lockout mechanism and operating mechanism on the push-rod assembly, just stirring operating mechanism when needs during with Pram folding makes lockout mechanism be in released state, can rotate each parts this moment, just stir operating mechanism and make lockout mechanism be in the lock state when perambulator is in running condition, each parts has just firmly connected.In general, just several operating mechanisms need be set corresponding to several lockout mechanisms, the operating mechanism number is various, make the folding of perambulator with launch troublesome poeration.

Summary of the invention

The technical problem to be solved in the present invention is that the push-rod assembly to perambulator improves, make the folding of perambulator with launch comparatively convenient.

In order to achieve the above object, the technical solution used in the present invention is: a kind of push-rod assembly of perambulator, comprise part in the handle, be rotatably connected on part both ends in the handle handle limit part, be connected to every push rod on the part of handle limit,

This push-rod assembly also comprises: be arranged on lockout mechanism between part in the handle and at least one described handle limit part, be arranged on being used between the part in lockout mechanism and the handle make lockout mechanism be tending towards release the answer parts, be used to control the trailing cable that this lockout mechanism is changed between lock-out state and released state, one end of described trailing cable is connected with above-mentioned answer parts

Also comprise: thus be movably connected on the described push rod be connected with the other end described trailing cable stir parts, on the described push rod that is slidingly located in and along with its slip can be controlled the above-mentioned upper connecting rod that component movement drives the trailing cable motion of stirring.

The described parts of stirring are for being positioned at described eccentric wheel place to offer breach for being rotatably connected on the eccentric wheel in the push rod, when lockout mechanism is in released state, the relative breach in eccentric long limit stretches out on the described push rod; When lockout mechanism was in the lock state, upper connecting rod and eccentric long limit leant, eccentric long limit screws in push rod inside.

Because the employing of technique scheme, the present invention utilize the folding of vehicle frame and the locking and the release that launch to drive part and handle limit part in the handle, do not need manual operation, can save user's operation, this perambulator folding convenient with expansion.

Description of drawings

Fig. 1 cuts open figure for the master that push-rod assembly is in the lock state;

Fig. 2 is the A part enlarged drawing among Fig. 1;

Fig. 3 is in the front view of released state for push-rod assembly;

Fig. 4 is the B part enlarged drawing among Fig. 3;

Wherein, 1, lockout mechanism, 3, part in the handle, 4, runner, 41, pin, 5, dead bolt, 50, locking block, 51, slotted hole, 6, handle limit part, 60, lock slots, 7, trailing cable, 8, upper connecting rod, 80, interconnecting gangway, 9, push rod, 90, breach, 10, eccentric wheel.

The specific embodiment

Referring to the push-rod assembly of Fig. 1, a kind of perambulator shown in Figure 3, comprise that part 3, symmetry in the handle are rotatably connected on the handle limit part 6 at part 3 both ends in the handle, are connected to every push rod 9 on the handle limit part 6.

Two described handle limit parts 6 respectively with handle in part 3 rotate and be provided with around an axle M, axle N, be provided with the lockout mechanism 1 that is used for the two locking between the part 3 in every handle limit part 6 and the handle.Described lockout mechanism 1 comprises that the tapers that are slidingly arranged in the part in the handle 3 have the dead bolt 5 of locking block 50, are opened in the lock slots 60 corresponding to described locking block 50 on the handle limit part 6, referring to Fig. 1, Fig. 2, in the time of in locking block 50 is plugged in lock slots 60, part 3 and the 6 relative lockings of handle limit part in the handle; Referring to Fig. 3, Fig. 4, when locking block 50 and lock slots 60 were separated, handle limit part 6 can rotate around axle M, axle N by part 3 in handle respectively.

Be provided with runner 4 around the rotation of P axle in the part 3 in the handle, on the runner 4 with axle P be the center of symmetry symmetry be set with two the pin 41, the root of above-mentioned two dead bolts 5 offers 51, one described pin 41 corresponding inserted of slotted hole of extending along the direction of slip of dead bolt 5 in a slotted hole 51.Be provided with between the part 3 in described runner 4 and the handle and make runner 4 be tending towards the torsion spring (failing among the figure to show) that rotates toward-W direction, under the restoring force effect of torsion spring, rotate 4 and drive locking block 50 on the dead bolts 5 groove 60 that is tending towards going out of lock.

This push-rod assembly also comprises the upper connecting rod 8 on the described push rod 9 that is slidingly located in, referring to Fig. 1, along with the described upper connecting rod 8 relative push rods 9 downward (Z direction) of the expansion of vehicle frame slide; Referring to Fig. 3, along with folding described upper connecting rod 8 upwards (Z direction) slips of relative push rods 9 of vehicle frame.

Rotate the long limit that an end is connected on the described pin 41, the other end is connected described eccentric wheel 10 that is provided with 10, trailing cables 7 of eccentric wheel around the Q axle in the described push rod 9.Be positioned at described eccentric wheel 10 places on the described push rod 9 and offer breach 90.

Referring to Fig. 1, when vehicle frame launches fully, upper connecting rod 8 is during to lower slider, the long limit of the madial wall of upper connecting rod 8 and eccentric wheel 10 leans, the long limit that upper connecting rod 8 promotes eccentric wheel 10 screws in push rod 9 inside, eccentric wheel 10 drives trailing cable 7 and is directed downwards tensioning along Z, make dead bolt 5 respectively toward K1, the motion of K2 direction, lockout mechanism 1 is in the lock state.

Referring to Fig. 3, when vehicle frame folding, when upper connecting rod 8 upwards slides, under the restoring force effect of above-mentioned torsion spring, the relative breach 90 in the long limit of eccentric wheel 10 stretches out, trailing cable 7 edge-Z directions are upwards loosened, and dead bolt 5 is past respectively-K1 ,-motion of K2 direction, lockout mechanism 1 is in released state.

The bottom of described upper connecting rod 8 be provided with the step transition portion 80 of being convenient to promote eccentric wheel 10 with described breach 90 relative position places.

The foregoing description only is the application's a specific embodiment, and the application is including, but not limited to the foregoing description.

Lockout mechanism 1 can also adopt other structure, an end that only needs to be provided with between the part 3 in lockout mechanism 1 and the handle answer parts that make lockout mechanism 1 be tending towards release, trailing cable 7 with can be got final product by drive after the answer parts are connected.

For some perambulator, only between the part 3 above-mentioned lockout mechanism 1 is set in two described handle limit parts 6 and the handle, the above-mentioned push-rod assembly structure of utilizing upper connecting rod 8 to drive lockout mechanism 1 also is suitable for.

Eccentric wheel 10 can also substitute with the slide block that is slidingly arranged in the push rod 9, the other end of trailing cable 7 is connected with described slide block, Slipper stretches out the breach of offering on the push rod 9 90, and along with upper connecting rod 8 is directed downwards slip along Z, thereby slide block can be driven and affects trailing cable 7 downwards; Along with upper connecting rod 8 upwards slides along-Z direction, under the restoring force of torsion spring, trailing cable 7 affects on the slide block and moves.The concrete structure that the present invention stirs parts for eccentric wheel 10 or slide block etc. without limits.

Claims

1, a kind of push-rod assembly of perambulator, comprise part in the handle (3), be rotatably connected on part in the handle (3) both ends handle limit part (6), be connected to the push rod (9) on the every handle limit part (6),

It is characterized in that: this push-rod assembly also comprises the lockout mechanism (1) that is arranged between part in the handle (3) and at least one described handle limit part (6), be arranged on being used between the part (3) in lockout mechanism (1) and the handle make lockout mechanism (1) be tending towards release the answer parts, be used to control the trailing cable (7) that this lockout mechanism (1) is changed between lock-out state and released state, one end of described trailing cable (7) is connected with above-mentioned answer parts

Be movably connected in that the other end with described trailing cable (7) on the described push rod (9) is connected stir parts, be slidingly located in described push rod (9) thus go up and along with its slip can be controlled the above-mentioned upper connecting rod (8) that component movement drives trailing cable (7) motion of stirring.

2, the push-rod assembly of perambulator according to claim 1 is characterized in that: the described parts of stirring rotate and to be arranged in the described push rod (9).

3, the push-rod assembly of perambulator according to claim 2, it is characterized in that: the described parts of stirring are eccentric wheel (10), be positioned at described eccentric wheel (10) on the described push rod (9) and locate to offer breach (90), when lockout mechanism (1) when being in released state, the relative breach in long limit (90) of eccentric wheel (10) stretches out; When lockout mechanism (1) when being in the lock state, upper connecting rod (8) leans with the long limit of eccentric wheel (10), screw-in push rod (9) inside, long limit of eccentric wheel (10).

4, the push-rod assembly of perambulator according to claim 3 is characterized in that: the bottom of described upper connecting rod (8) be provided with step transition portion (80) with described breach (90) relative position place.

5, the push-rod assembly of perambulator according to claim 4, it is characterized in that: described lockout mechanism (1) comprise the taper that is slidingly arranged in the part in the described handle (3) have the dead bolt (5) of locking block (50), be opened on the described handle limit part (6) with the corresponding lock slots of described locking block (50) (60), be provided with between the root of part in the described handle (3) and described dead bolt (5) and be used to make that locking block (50) is tending towards the described answer parts that separate with lock slots (60).

6, the push-rod assembly of perambulator according to claim 5, it is characterized in that: be provided with described lockout mechanism (1) in two described handle limit parts (6) and the handle between the part (3), described answer parts comprise that rotation is arranged on the runner (4) that pushes away in the part in the frame (3), be arranged on the torsion spring between part in the handle (3) and the runner (4), be fixed with pin (41) on the described runner (4), the root of described dead bolt (5) offers the slotted hole (51) that extends along dead bolt (5) direction of slip, described pin (41) is plugged in the described slotted hole (51), and an end of described trailing cable (7) is connected with described pin (41).