CN203439095U

CN203439095U - Telescopic handle structure of baby carriage

Info

Publication number: CN203439095U
Application number: CN201320449978.7U
Authority: CN
Inventors: 唐平定
Original assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Current assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Priority date: 2013-07-26
Filing date: 2013-07-26
Publication date: 2014-02-19
Anticipated expiration: 2023-07-26

Abstract

The utility model discloses a telescopic handle structure of a baby carriage. The telescopic handle structure is a device for operating the handle to stretch or lock relative to a handle pipe on a frame in the baby carriage. The telescopic handle structure mainly comprises a handle, an operating device, a lifting rope and a locking device, wherein the locking device comprises a fixing base, a sliding rod which is arranged in the fixing base and is downwards pushed by a vertical pressing spring, and a key which is arranged in the fixing base and is outwards pushed by a transverse pressing spring; movable holes are formed in the key; the bottom end of the sliding rod enters into the movable hole and forms assembly with the hole wall of the movable hole through pushing an inclined surface; a sliding block assembled in an opening slot at the lower end of the handle is arranged at the external end of the key. During work, the key inwards and outwards horizontally moves through the upper and lower movement of the sliding rod and the pushing of the transverse spring, so that the handle is stretched or locked; the improved telescopic handle has the advantages of simple structure, labor saving, and reliable stretching or locking.

Description

Perambulator Extension handle structure

Technical field

The utility model relates to the Extension handle structure in a kind of mechanical connecting device, specifically refers to perambulator Extension handle structure.

Background technology

Perambulator is a kind of cart structure of going out to take for baby, is to consist of vehicle frame, wheel, handgrip and seat etc. mostly, due to the size of perambulator, highly different, toward contact, need be Collapsible structure by the relative Vehicle Frame Design of handgrip.At present, on perambulator, set Extension handle structure is normally by the handling device of handle top, lifting stay cord in handgrip and the formations such as blocking device in handgrip bottom, handling device can adopt button or the revolving part of stage clip pushing tow, blocking device is the flexible locking through lifting stay cord band action handgrip by handling device, the structure design of this blocking device is various, as disclosed China Patent No. be 200620077583.9 " expansion pulling handle rod of children trolley ", it has adopted lock pin, the lock mode that lockhole is equipped, but structure is comparatively complicated, operation is trouble comparatively, and " stretching structure of Handle of baby's carriage " that disclosed China Patent No. is 201220209842.4, it has adopted the lock mode of tooth bar engagement, but flexible locking is little reliable.Along with the continuous expansion in perambulator market, more customer also wishes that manufacturer can release the Extension handle structures with different structure and operating mode more, to meet use needs.

Summary of the invention

Goal of the invention of the present utility model is to overcome the defect of prior art and a kind of simple in structure, rapid operation, flexible locking failure-free perambulator Extension handle structure is provided.

Goal of the invention of the present utility model realizes by following technical proposal:

A kind of perambulator Extension handle structure, comprise hollow structure handgrip, be located at handle top handling device, be located at blocking device in handgrip bottom and the lifting stay cord of attended operation device and blocking device respectively, described blocking device comprises the permanent seat being arranged in handgrip bottom, this permanent seat is provided with slide bar chamber and key cavity, vertical stage clip is installed in this slide bar chamber and is subject to the downward slide bar of vertical stage clip pushing tow, horizontal stage clip be installed in this key cavity and be subject to the outside button of horizontal stage clip pushing tow, on button, being provided with mobile hole; On described slide bar, be connected with the lower end of lifting stay cord, slide bar bottom is stretched in the mobile hole of button, in this slide bar bottom and mobile hole, between the hole wall of adjacent transverse stage clip, is provided with mutually equipped pushing tow inclined-plane; Described handgrip bottom outside face is provided with open slot, and this opening chute is done to extend along handgrip length direction and arranged; Described button outer end is provided with the slide block being fitted in described open slot.

Described handling device comprises that the circular mounting hole and the rotation that are located at handle top are fitted in the cylindrical shape S. A. in mounting hole, on two cylinder end faces of this S. A., be respectively equipped with the flexible pull handle exposing, on the face of cylinder of S. A., be connected with the upper end of lifting stay cord.

Described handgrip is that " U " shape of falling being formed by top curved pipe and the bending of both sides fall way disjunctor is managed; Described curved pipe is provided with two arc shells that are fastened and connected mutually outward, and these arc shell both sides are respectively equipped with the bend pipe being sleeved on outside handgrip; Two described bend pipe tops are connected to the two ends of arc shell, and the bottom of two bend pipes is equipped with bend pipe cover.

In the both sides fall way of described handgrip, be respectively equipped with the blocking device that structure is identical, these two groups of blocking devices are connected on the handling device of handle top jointly by lifting stay cord respectively.

Compared with prior art, the utility model is mainly that the blocking device of the locking of stretching in Handle of baby's carriage is improved, this blocking device is mainly by permanent seat, is located at and in permanent seat, by vertical stage clip, makes the slide bar of downward pushing tow and be located at button of making outside pushing tow by horizontal stage clip in permanent seat etc. to form, button is provided with mobile hole, slide bar bottom stretch in mobile hole and and the hole wall in mobile hole between by pushing tow inclined-plane, form equippedly, button outer end is provided with the slide block in the open slot that is fitted in handgrip bottom.The advantages such as during work, the pushing tow of the upper and lower motion by slide bar and laterally stage clip, to drive button to make inside and outside parallel motion, can be realized the flexible or locking of handgrip, and that the Extension handle structure after improvement has is simple in structure, rapid operation, flexible locking are reliable.

Accompanying drawing explanation

Fig. 1 is stereo decomposing structural representation of the present utility model.

Fig. 2 is the A place enlarged drawing of Fig. 1.

Fig. 3 is the cutaway view of blocking device.

Fig. 4 is the structural representation of the utility model on perambulator.

The specific embodiment

Below in conjunction with above-mentioned accompanying drawing and adopt specific embodiment to be described in detail again the utility model.

As shown in Fig. 1 ~ Fig. 4,1. handgrip, 11. curved pipes, 12. fall ways, 13. arc shells, 14. bend pipes, 15. bend pipe covers, 2. handling device, 21. mounting holes, 22. S. A.s, 23. flexible pull handles, 3. lifting stay cord, 4. blocking device, 41. permanent seats, 411. slide bar chambeies, 412. key cavity, 42. vertical stage clips, 43. slide bars, 44. buttons, 441. move hole, 442. slide blocks, 45. horizontal stage clips, 46. open slots, 47. pushing tow inclined-planes, 5. vehicle frame, 51. handle pipe, 52. lockholes.

Perambulator Extension handle structure, as Figure 1 and Figure 4, it is the device that for operator, the handle pipe 51 on 1 relative vehicle frame 5 is stretched or locked in perambulator, in handle pipe, be provided with a plurality of lockholes 52, according to the quantity of lockhole, telescopic adjustment gear number is set, as the third gear telescopic adjustment that three lockholes 52 can carry out handgrip 1 is set.This Extension handle structure is mainly to consist of handgrip 1, handling device 2, lifting stay cord 3 and blocking device 4 etc.

Described handgrip 1 is " U " shape hollow tube being formed by top curved pipe 11 and the 12 disjunctor bendings of both sides fall way; The outer arc shells 13 that are provided with two mutual fastenings and are connected through screw of this curved pipe 11, these arc shell both sides are respectively equipped with two bend pipes 14, and these two bend pipes are sleeved on handgrip 1 bending place and protect; Two described bend pipe 14 tops are connected to respectively the two ends of arc shell 13 through screw, the bottom of two bend pipes 14 is equipped with bend pipe cover 15, to make attractive, decorative.

Described handgrip 1 top center, be that curved pipe 11 middle parts are provided with a handling device 2, this handling device is in handgrip 1 top center, to be provided with the circular mounting hole 21 of forward and backward perforation arc shell 13 and curved pipe 11, and rotation is fitted in the cylindrical shape S. A. 22 in this mounting hole; On two cylinder end faces of described S. A., be respectively equipped with flexible pull handle 23, each flexible pull handle is outer being exposed on arc shell 13 all, is equipped with the aliform lever of conjoined structure on each flexible pull handle 23, to facilitate finger to pull operation.

Described blocking device 4 has identical two groups of structure, and these two groups of blocking devices are separately positioned in both sides fall way 12; Two groups of described blocking devices 4 are connected on the handling device 2 at handgrip 1 top jointly by lifting stay cord 3 respectively, these two lifting stay cords 3 are also separately positioned in both sides fall way 12, and it refers to that the upper end of two lifting stay cords 3 is connected on the face of cylinder of S. A. 22 jointly.

Each described blocking device 4 as shown in Figure 2 and Figure 3, includes the plug that coincide and is contained in the permanent seat 41 in fall way 12 bottoms, and this permanent seat adopts plastic cement to make, and is provided with slide bar chamber 411 and key cavity 412 on permanent seat 41; Described slide bar chamber 411 is rectangular channels that are arranged on permanent seat 41 fronts, vertical stage clip 42 is installed in this rectangular channel and is subject to the downward slide bar 43 of vertical stage clip pushing tow; Described key cavity 412 is rectangular openings that are arranged on permanent seat 41 lateral surfaces, horizontal stage clip 45 is installed in this rectangular opening and is subject to the outside button 44 of horizontal stage clip pushing tow, in button outer end, be provided with rectangular-shaped slide block 442, on button, be also provided with the mobile hole 441 of upper and lower perforation, this hole wall that moves adjacent transverse stage clip 45 in hole is provided with pushing tow inclined-plane 47; On described slide bar 43, be connected with the lower end of lifting stay cord 3, slide bar 43 bottoms are also provided with pushing tow inclined-plane 47, this slide bar bottom is stretched in mobile hole 441 by vertical stage clip 42 pushing tows, and it is equipped that the pushing tow inclined-plane 47 between slide bar bottom and mobile hole 441 hole walls forms coincideing of "/" shape; Described fall way 12 bottom outside faces are provided with open slot 46, this open slot along fall way 12 length directions, to be upper and lower arrange to doing to extend; The slide block 442 of described button 44 outer ends is fitted in open slot 46 by horizontal stage clip 45 pushing tows.

The utlity model has lock-out state and flexible state, the lock-out state of handgrip 1 is normal condition, vertical stage clip 42 pushing tow slide bars 43 are downward, laterally stage clip 45 pushing tow buttons 44 are outside, now, the slide block 442 of button 44 outer ends is fitted in open slot 46, and just in time enters in the lockhole 52 of set handle pipe 51 on vehicle frame 5, thereby forms the locking of handgrip 1; When pulling flexible pull handle 23, can rotate by driven rotary axle 22, and then through two lifting stay cords 3, drive 4 motions of two groups of blocking devices respectively simultaneously, after lifting stay cord 3 is driven, the slide bar 43 of blocking device 4 overcomes the pressure upward movement of vertical stage clip 42, the cooperation of slide bar 43 bottoms by pushing tow inclined-plane 47 can promote the pressure that button 44 overcomes horizontal stage clip 45 and move inward, the interior disengaging of lockhole 52 of slide block 442 set handle pipe 51 from vehicle frame 5, handgrip 1 can carry out telescopic adjusting; After handgrip 1 length adjustment puts in place, discharge flexible pull handle 23, vertical stage clip 42 and laterally stage clip 45 promote respectively slide bar 43, button 44 resets, and now handgrip 1 comes back to lock-out state.

Claims

1. a perambulator Extension handle structure, the handgrip (1) that comprises hollow structure, be located at the handling device (2) of handle top, be located at the blocking device (4) in handgrip (1) bottom, and the lifting stay cord (3) of difference attended operation device (2) and blocking device (4), it is characterized in that described blocking device (4) comprises the permanent seat (41) being arranged in handgrip (1) bottom, this permanent seat is provided with slide bar chamber (411) and key cavity (412), vertical stage clip (42) is installed in this slide bar chamber (411) and is subject to the downward slide bar (43) of vertical stage clip pushing tow, horizontal stage clip (45) is installed in this key cavity (412) and is subject to the outside button (44) of horizontal stage clip pushing tow, on button, be provided with mobile hole (441), on described slide bar (43), be connected with the lower end of lifting stay cord (3), slide bar (43) bottom is stretched in the mobile hole (441) of button (44), between the hole wall of this slide bar (43) bottom and mobile hole (441) interior adjacent transverse stage clips (45), is provided with mutually equipped pushing tow inclined-plane (47), described handgrip (1) bottom outside face is provided with open slot (46), and this opening chute is done to extend along handgrip (1) length direction and arranged, described button (44) outer end is provided with the slide block (442) being fitted in described open slot (46).

2. perambulator Extension handle structure according to claim 1, it is characterized in that described handling device (2) comprises that the circular mounting hole (21) and the rotation that are located at handgrip (1) top are fitted in the cylindrical shape S. A. (22) in mounting hole (21), on two cylinder end faces of this S. A. (22), be respectively equipped with the flexible pull handle (23) exposing, on the face of cylinder of S. A. (22), be connected with the upper end of lifting stay cord (3).

3. perambulator Extension handle structure according to claim 1, is characterized in that described handgrip (1) is that " U " shape of falling being formed by top curved pipe (11) and the bending of both sides fall way (12) disjunctor is managed; Outside described curved pipe (11), be provided with two arc shells (13) that are fastened and connected mutually, these arc shell both sides are respectively equipped with and are sleeved on the outer bend pipe (14) of handgrip (1); Two described bend pipe tops are connected to the two ends of arc shell (13), and the bottom of two bend pipes (14) is equipped with bend pipe cover (15).

4. perambulator Extension handle structure according to claim 3, it is characterized in that being respectively equipped with the blocking device that structure is identical (4) in the fall way (12) of described handgrip (1) both sides, these two groups of blocking devices are connected on the handling device (2) at handgrip (1) top jointly by lifting stay cord (3.) respectively.