CN2507735Y - Safety armrest for perambulator - Google Patents

Abstract

The utility model relates to a technical field of a safety handle for baby carriers, which is designed for convenient operation and fast locking. Two ends of the handle are provided with frameworks connected with pipes on a frame moveably. The utility model is characterized in that an outer cover is connected with a holder, the middle portion of the outer cover is provided with an alligatoring ring, meanwhile, another outer cover is connected with an end of the handle via a concealed hinge, the middle portion of the outer cover is provided with an alligatoring ring too, the two alligatoring rings are connected rotatablely via a joint loop overlapping, a gear wheel which can move between the two alligatoring rings and can cooperate with alligatoring rings to fix position is arranged in a cavity between the two alligatoring rings of the two outer covers, a spring is arranged between an end face of the gear wheel and floors inside outer covers, a button is inserted in to the surface of an outer cover correspondingly, and a foot of the button extending into the outer cover touches the end face of the gear wheel. The utility model has the advantages of compact and reasonable structure, convenient operation and strong locking force, which can be popularized and applied to baby carriers.

Description

Safe handle on the loaded vehicle

Technical field

The utility model relates to handrail technical field on a kind of 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; but safe in the past handle can only be removable the connection with vehicle frame usually; its structure is such; 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; when holder and spanner are enclosed within on the pipe; make one of formation and the close-fitting cavity of pipe between clamping plate and the holder with the hand rotating spanner; so just can be fixed on the safety handle on the vehicle frame; its advantage be with vehicle frame on pipe be demountable; can the assembling of fast and flexible ground get on when using; can remove easily again when not using; but because the difference of child age; the height size is also different; so it is also different with the height height that the handle position is installed; after needing certain adjusting; just can make handle that suitably height is installed onboard; can stop preferably that children rout up outside the car; play big protective effect; not so; if setting height(from bottom) is too high or too low; children still can translate into outside the car by the gap of handle and vehicle frame, lose necessary protective effect, make handle as illusory.Also report in the Chinese patent literature storehouse relevant for safe handle technology on the perambulator, 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.

Summary of the invention

Technical problem to be solved in the utility model provide a kind of can regulate setting height(from bottom), easy to use flexibly, locking firmly, safe handle on the better perambulator of safety.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: 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, and the button pin that stretches in the enclosing cover just withstands on the end face of gear.

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, it is fixing extremely on vehicle frame not to be, 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, compact conformation is reasonable, volume is little, is fit to the use popularization.

Description of drawings

Safe handle block diagram on Fig. 1 perambulator;

Safe handle Plastic Parts STRUCTURE DECOMPOSITION figure on Fig. 2 perambulator;

Safe handle structural plastic spare decomposes design sketch on Fig. 3 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, safe handle on this kind perambulator, have handle, handle generally adopts metal tube to make, and there is the Plastic Parts that carries out separable joint with top tube end, handle two ends, and its end is to be used for the holder 1 of clamping pipe, in the middle of the holder 1 is indent, be the partial cylindrical cavity that cooperates with pipe, other has spanner 2, and spanner 2 roots have axle sleeve 6, it cooperates with holder 1 upper shaft hole 7, be fixed up versatilely with pivot pin, one is connected with and is used for the clamping plate 3 of clamping pipe on the spanner, its curved structure, form the partial cylindrical chamber that cooperates with pipe with spanner, in order to improve its clamping firmness, on the clamping plate 3 inboard faces card article 4 is arranged, there is special-shaped raised line 5 the spanner inboard.Holder 1 is connected with an enclosing cover 8, and is rounded, and the enclosing cover middle part forms ring gear 9, on enclosing cover bottom surface, ring tooth the inside spring perch 10 is set, built-in spring 14, the inboard face open loop of enclosing cover connected in star 11.Other has one to connect ring set 12, two end face upper edge circumference all is evenly distributed with three card bases 13, connect ring set 12 like this and snap in annular groove on the inboard face of enclosing cover, enclosing cover can be overlapped with coupling link and be connected, and can relatively rotate between them by card base.Other has an enclosing cover 16 by joint 21 connection handle ends, this enclosing cover middle part also is provided with onesize ring gear, its inboard face also has annular groove, it puts card base with coupling link and cooperates, thereby they are coupled together rotationally, between two enclosing cover ring gears in the cavity, the gear 15 of location can be moved and cooperate with ring gear to assembling between both ring gears, there is spring 14 on the top between the spring perch of the inboard bottom surface of gear face and enclosing cover, are indents in its another enclosing cover 16 surperficial middle parts accordingly, form the mounting hole 17 of packing into for button 18, mounting hole 17 surfaces have three hole clippings 20 that snap in for button pin 19.Other has a button 18, is evenly distributed with three button pin 19 along circumference, and the button pin is fixed on this enclosing cover 16 by three hole clippings on the mounting hole, and its button pin 19 by enclosing cover just withstands on the end face of gear 15 simultaneously.

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 holder and spanner are enclosed within on the pipe, rotating spanner puts in place then, at this moment, form complete cylindrical cavity between spanner train wheel bridge and the holder, its size cooperates with pipe, because card article and raised line effect on the clamping plate are arranged, handle can be fixed on the vehicle frame pipe well simultaneously; In the time will regulating handle height height, cover button outward as long as pin Plastic Parts with hand, at this moment, because finger squeeze buttons, the gear of button pin in will the top enclosing cover, after gear face is stressed, can overcome spring force and do suitably and move, cooperate in case its end face breaks away from ring gear in the enclosing cover, enclosing cover and handle freely rotate with regard to energy like this, being adjusted to needs height, as long as at this moment unclamp finger, gear resets under action of the spring, make its two ends all with inside and outside enclosing cover in ring gear engagement locking, handrail just is fixed together with enclosing cover again like this, can not rotate; In the time will dismantling handle,, just can remove as long as, spanner train wheel bridge and holder are unclamped by its spanner.

Claims (5)

1, safe handle on a kind of perambulator, it includes handle, there is the structure of carrying out separable joint with top tube end, handle two ends, it has the holder (1) 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 (2) versatilely simultaneously, be connected with on the wrench and be used for the clamping plate (4) of clamping pipe, clamping plate form the partial cylindrical chamber that cooperates with pipe with wrench, it is characterized in that being connected with on the holder enclosing cover (8), there is ring gear (9) the enclosing cover middle part, one enclosing cover (16) by joint (21) 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 (12), assemble the gear (15) 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 (14) on the top between the inboard bottom surface of gear face and enclosing cover, an outer cap surface socket connection has button (18) therein accordingly, and the button pin (19) that stretches in the enclosing cover just withstands on the end face of gear (15).

2, safe handle according to claim 1 is characterized in that described connection ring set (12) end face is provided with card base (13), accordingly the inboard face of enclosing cover have with it cooperate, for its groove that snaps in (11).

3, safe handle according to claim 1 is characterized in that described enclosing cover (8) has spring perch (10) at position, ring gear the inside.

4, safe handle according to claim 1 is characterized in that its surperficial middle part of described enclosing cover (16) is an indent, forms the mounting hole (17) of packing into for button, and the mounting hole surface has the hole clipping (20) that snaps in for the button pin.

5, safe handle according to claim 1 is characterized in that card article (4) is arranged on the described clamping plate (3), and there is special-shaped raised line (5) wrench (2) inboard that fuses with clamping plate.

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