CN2759885Y

CN2759885Y - Adjustable handgrip mechanism of baby carriage

Info

Publication number: CN2759885Y
Application number: CN 200420114164
Authority: CN
Inventors: 古正辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-14
Filing date: 2004-12-14
Publication date: 2006-02-22
Anticipated expiration: 2014-12-14

Abstract

The utility model relates to the technical field of an adjustable handgrip on a baby carriage, which is designed for firmly locking. The mechanism comprises an outer cover connected with a carriage tube; a tooth ring is arranged at the middle part of the outer cover; simultaneously, another outer cover is connected with another carriage tube; a tooth ring is also arranged at the middle part of the outer cover; the two outer covers are rotationally connected by connecting ring sleeves; a cavity between the two tooth rings of the outer covers is provided with a gear which can move between the two tooth rings, and the gear is matched with the tooth rings for positioning; springs are supported between the end surface of the gear and the bottom surfaces at the inside of the outer covers; correspondingly, a button is inserted at the surface of one of the outer covers; the foot of the button extended into the outer cover is supported at the end surface of the gear. The utility model is characterized in that a reinforcement metal sheet is respectively arranged at the surface of each outer cover; the combined ends of the reinforcement metal sheets are rotationally connected together by middle shaft pins; the other ends of the reinforcement metal sheets are fixedly connected with a connection part by fasteners. The utility model which has the advantages of reasonable and compact structure, convenient operation, strong locking force, etc., is suitable for popularization and use on the baby carriage.

Description

The scalable handle mechanism of baby's perambulator

Technical field

The utility model relates to handrail or the handle technical field on a kind of perambulator or the perambulator.

Background technology

Along with improving constantly of living standards of the people, perambulator, perambulator is just used at large by broad masses, usually for the sake of security, on the vehicle frame of perambulator, be mounted with safe handle, its objective is prevent perambulator in the implementation process since accidental cause such as collision cause children to rout up outside the car or prevent that children from climbing out of perambulator artificially, play certain protective role, it as the patent No. 92215143.1 Chinese patent " perambulator handrail control apparatus ", it is by tressel, fixed mount and blocking device are formed, it is characterized in that: the lock slider of lock slider between tressel and fixed mount, this blocking device comprises the lock slider between tressel and fixed mount, this lock slider radially have a sliding tray, axle passes from the sliding tray of lock slider, the groove width of described sliding tray is slightly larger than the diameter of the axle that is positioned at sliding tray, so that lock slider can radially slide with respect to axle; Projection on the lock slider is the circumferential protrusion in the center of circle with the axle on the fixed mount, has a breach that can embed the projection on the lock slider on the described circumferential protrusion at least; Be loaded on the spring between sliding tray inwall and the axle; Be fixed in the case that can rotate with respect to fixed mount on the tressel; have a hole on the described case; lock slider radially extends through this hole and is exposed at outside the case; its advantage makes safe handle regulate height by rotating; be fit to different children's objects; but the pipe of it and vehicle frame is fixed together; can not dismantle; this uses to people and brings some inconveniences sometimes; we are also noted that simultaneously; its locking action mainly be by the breach of circumferential protrusion on the fixed mount with can embed projection in the breach and cooperate and lock handle; general this breach is limited to the accommodation space condition; make the general volume ratio of projection that cooperates with it less; the power that stops of projection is not very big like this; can cause long-time use like this; projection separates with the lock slider fracture easily; make mechanism malfunctioning; service life is not long; another kind of situation is when because accidental cause when running into greater impact power, runs into the stone child as the car of carrying out at a high speed and puts out when next, and whole health is pressed on the handle; projection is subjected to very big strength; it is usually fracture easily also, loses necessary protective effect, and these limitations all require further improvement.

The inventor is that 01253389.0 Chinese patent " safe handle on the perambulator " has just been reported a kind of safe handle in the patent No. for this reason, safe handle on this kind perambulator, it includes handle, there is the structure of carrying out separable joint with top tube end, handle two ends, it has the holder of clamping pipe for the end, the partial cylindrical cavity that holder has indent and cooperates with pipe, holder also adopts pivot pin to be fixed with spanner versatilely simultaneously, be connected with on the spanner and be used for the clamping plate of clamping pipe, clamping plate form the partial cylindrical chamber that cooperates with pipe with spanner, it is characterized in that being connected with on the holder enclosing cover, there is ring gear the enclosing cover middle part, one enclosing cover by joint connection handle end is arranged simultaneously in addition, this enclosing cover middle part also is provided with ring gear, they couple together rotationally by connecting ring set, assemble the gear that can between both ring gears, move and cooperate the location between the two enclosing cover ring gears in the cavity with ring gear, there is spring on the top between the inboard bottom surface of gear face and enclosing cover, an outer cap surface socket connection has button therein accordingly, the button pin that stretches in the enclosing cover just withstands on the end face of gear, it has the adjusting setting height(from bottom), easy to use flexible, locking firmly, advantages such as safety is better, show but use actually, it can also further improve at the firmness that rotates regulator site, make between the car pipe or connect between the handle more firmly firm, be not easy to damage, increase the service life.

Summary of the invention

Technical problem to be solved in the utility model provides the scalable handle mechanism of the baby's perambulator after a kind of further improvement, and its connection structure is more firm, be not easy to damage to come off, and simple in structure, manufacture easily.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of scalable handle mechanism of baby's perambulator, it comprises an enclosing cover that connects the car pipe, there is ring gear the middle part in the enclosing cover, simultaneously, other has an enclosing cover that connects another car pipe, the middle part also is provided with ring gear in this enclosing cover, couple together rotationally by connecting ring set between two enclosing covers, assemble the gear that can between both ring gears, move and cooperate the location in two enclosing covers between the ring gear in the cavity with ring gear, there is spring on the top between the inboard bottom surface of gear face and enclosing cover, an outer cap surface socket connection has button therein accordingly, the button pin that stretches in the enclosing cover just withstands on the end face of gear, it is characterized in that described two enclosing covers respectively are provided with-the reinforcement metal sheet on the opposite side surface of button, the applying end of reinforcement metal sheet is rotatably connected to together by middle pivot pin, and the other end of reinforcement metal sheet is connected to a fixed by fastener and connecting portion.

Useful is, above-mentioned reinforcement metal sheet is made the tadpole shape, and the round end part is at the enclosing cover midway location, and afterbody is near the connecting portion that connects the car pipe, to improve Joint strenght.

Can further improvedly be, above-mentioned outer cap surface forms the cavity adaptive with the reinforcement metal plate shape, makes whole smooth attractive in appearance, not the oarsman.

At last, above-mentioned connection ring set end face is provided with card base, accordingly the inboard face of enclosing cover have with it cooperate, for its groove that snaps in.

Compared with prior art, advantage of the present utility model is: 1, be not fixing extremely on vehicle frame, can conveniently install and remove; 2, can freely regulate the handle setting height(from bottom), be fit to the children of an all ages and classes sized subjects, play better protective effect; 3, adopt gear to cooperate fixed sturcture with ring gear, latching force is strong, is not easy to damage, and anti-impact force is big, can play safer protective effect, and 4, connect more firmly firmly, be not easy damage and come off, raising service life; 5, compact conformation is reasonable, and volume is little, is adapted at using on perambulator or the perambulator promoting.

Description of drawings

The STRUCTURE DECOMPOSITION figure of scalable handle mechanism on Fig. 1 baby perambulator.

The specific embodiment

Below in conjunction with description of drawings embodiment of the present utility model is described in further detail.

Anticipate as shown in the figure, scalable handle mechanism on this kind baby perambulator, generally have handle car pipe, handle car pipe generally adopts metal tube to make, and entire mechanism includes the enclosing cover 1 that plastics are made, rounded, and having connecting bridge such as the joint 14 that connects the car pipe, the middle part forms ring gear 11 in the enclosing cover, on enclosing cover bottom surface, ring tooth the inside spring perch is set, built-in spring 7, enclosing cover 1 inboard face open loop connected in star 13.Other has one to connect ring set 6, two end face upper edge circumference all is evenly distributed with three card bases 61, connect ring set 6 like this and snap in annular groove on the enclosing cover 1 inboard face, enclosing cover 1 can be coupled together with being connected ring set 6, and can relatively rotate between them by card base.Other has an enclosing cover 2 by joint 22 connection car tube ends, 2 li middle parts of this enclosing cover also are provided with onesize ring gear, its inboard face also has annular groove, it be connected ring set 6 on card base cooperate, thereby they are coupled together rotationally, between two enclosing cover ring gears in the cavity, the gear 5 of location can be moved and cooperate with ring gear to assembling between both ring gears, there is spring 5 on the top between gear 5 end faces and the enclosing cover 2 inboard bottom surface spring perches, be indent in its another enclosing cover 1 surperficial middle part accordingly, form the mounting hole of packing into for button, the mounting hole surface has three hole clippings 12 that snap in for the button pin.Other has a button 8, be evenly distributed with three button pin 81 along circumference, button pin 81 is fixed on this enclosing cover 1 by three hole clippings on the mounting hole, and having attaching parts 9 that button 8 is fastening spacing in the mounting hole of enclosing cover 1, its button pin 81 by enclosing cover just withstands on the end face of gear 5 simultaneously.Two enclosing covers 1,2 the surface forming of non-button one side have tadpole shape roughly

cavity

15,21, settling the adaptive reinforcement metal sheet 3 ', 3 of shape size in the cavity separately, one pivot pin 4 passes enclosing cover 2 respectively as attaching parts reinforcement metal sheet 3 ', 3 applying end is rotatably connected to together, and reinforcement metal sheet 3 ', 3 non-applying end are connected to a fixed by fastener and connecting portion such as joint or car pipe.

Its using method and principle of work are as follows, in the time the safety handle will being contained on the vehicle frame pipe, as long as handle can be fixed on the vehicle frame pipe well by joint; In the time will regulating handle height height, cover button 8 outward as long as pin Plastic Parts with hand, at this moment, because finger squeeze buttons 8, the gear 5 of button pin 81 in will the top enclosing cover, after gear face is stressed, can overcome spring 7 elastic force and do suitable moving, cooperate with the ring gear 11 of 1 li of enclosing cover in case its end face breaks away from, enclosing cover and handle just can freely rotate like this, being adjusted to needs height, as long as at this moment unclamp finger, gear 5 resets under action of the spring, make its two ends all with inside and outside enclosing cover 1,2 li ring gear engagement locking, handrail just is fixed together with enclosing cover again like this, can not rotate.

Claims

1, a kind of scalable handle mechanism of baby's perambulator, it comprises an enclosing cover that connects the car pipe, there is ring gear the middle part in the enclosing cover, simultaneously, other has an enclosing cover that connects another car pipe, the middle part also is provided with ring gear in this enclosing cover, couple together rotationally by connecting ring set between two enclosing covers, assemble the gear that can between both ring gears, move and cooperate the location between the two enclosing cover ring gears in the cavity with ring gear, there is spring on the top between the inboard bottom surface of gear face and enclosing cover, an outer cap surface socket connection has button therein accordingly, the button pin that stretches in the enclosing cover just withstands on the end face of gear, it is characterized in that described two enclosing covers respectively are provided with a reinforcement metal sheet on the opposite side surface of button, the reinforcement metal sheet is fitted to hold and is rotatably connected to together by middle pivot pin, and the other end of reinforcement metal sheet is connected to a fixed by fastener and connecting portion.

2, scalable handle according to claim 1 mechanism is characterized in that described reinforcement metal sheet makes the tadpole shape, and the round end part is at the enclosing cover midway location, and afterbody is near the connecting portion that connects the car pipe.

3, scalable handle according to claim 2 mechanism is characterized in that described outer cap surface forms the cavity adaptive with the reinforcement metal plate shape.

4, scalable handle according to claim 1 mechanism is characterized in that described connection ring set end face is provided with card base, accordingly the inboard face of enclosing cover have with it cooperate, for its groove that snaps in.

5, scalable handle according to claim 1 mechanism is characterized in that described enclosing cover has spring perch at position, ring gear the inside.

6, scalable handle according to claim 1 mechanism, it is characterized in that its surperficial middle part of described enclosing cover is an indent, form the mounting hole of packing into for button, the mounting hole surface has the hole clipping that snaps in for the button pin, and has attaching parts that button is fastening spacing in mounting hole.

7, scalable handle according to claim 1 mechanism, it is characterized in that described enclosing cover has with the car pipe carries out the bonded assembly joint.