CN2405779Y - Bassinet wheel with clutch - Google Patents

Abstract

The utility model discloses a bassinet wheel with a clutch. The utility model is used for a pushing and a stepping bassinet and the utility model is good for increasing safety. A wheel shaft of the utility model is vertically fixed with a baffle plate provided with two parallel notches. The baffle plate is arranged between a left wheel shell and a left cover plate. The wheel shaft is arranged at the position between the left and a right wheel shells, and the wheel shaft is orderly penetrated with a slide plate, movable forks, and compressed springs. Two parallel plates face to two parallel slots on the left wheel shell, wherein, the movable forks of the parallel plates form 'U'-shaped. Concave mouths of the parallel slots are abutted with the slide plate by the compressed springs. The slide plate is provided with two supporting surfaces with different height. The inner part of a circular through hole on the left wheel shell is provided with a rotating button. The rotating button is provided with a cross arm capable of driving the slide plate.

Description

The perambulator wheel of band power-transfer clutch

The utility model relates to a kind of perambulator wheel, particularly a kind of perambulator wheel with power-transfer clutch.

Popular in the market stepping on, the dual purpose toy tricycle that can push away, on the wheel shaft of its front-wheel step is housed, children can oneself step on and advance, also can allow the adult advance in the back go-cart, the front-wheel step is rotated and is accidentally injured children when preventing that go-cart from advancing, when wishing to accomplish that go-cart is advanced in the mechanism of perambulator, the front-wheel step is not changeed so as not to accidentally injuring children, the countermeasure of for this reason taking usually is to install with the similar flywheel of bicycle to rely on its in-to-in ratchet and pawl arrangement to make when wheel changes forward wheel shaft then wheel shaft drives wheel turns when changeing forward between front-wheel and front wheel spindle, but so in practice scheme is unsatisfactory, because the adult can pull back car because of all situations when go-cart unavoidably, step is rotated causes children injured, also because after having adorned flywheel, children can only step on forward and can not be to post legged, and the function of perambulator also is affected like this.

The purpose of this utility model is to propose a kind of perambulator wheel with power-transfer clutch, can realize the conversion between the own treadmill mode of children and the adult's maneuverability pattern easily.

The purpose of this utility model is achieved in that a kind of perambulator wheel with power-transfer clutch, it includes wheel and wheel shaft, described wheel includes and is a left side that is fixedly connected, right hub and be separately fixed at a left side, left side on the right hub, right cover plate, vertical fixing has a baffle plate with two parallel breach on the described wheel shaft, this baffle plate is between revolver shell and left cover, be positioned at a left side at wheel shaft, position between right hub, be installed with slide plate from left to right successively, movable fork and stage clip, on right hub inwall, be provided with the orienting sleeve that holds stage clip and movable fork, two parallel plates that this orienting sleeve becomes bearing fit with movable fork-shaped and makes movable fork be " U " shape face two parallel slots on the revolver shell, the recess that is somebody's turn to do " U " shape is close to by stage clip and slide plate, this slide plate has the inclined-plane of two different areal of supports of height and middle transition and is provided with the vertical vertical elongated slot that supplies wheel shaft to pass with wheel shaft, be provided with knob in the manhole on the revolver shell, this knob has a transverse arm that is positioned at hub, forms movable connect by a little axle with an end of slide plate in the end of this transverse arm.

The perambulator wheel of band power-transfer clutch of the present utility model, because its clutch mechanism all is arranged on wheel housings inside, its operation knob is installed on the hub of wheel, therefore children can not run into, adult's operation is also very convenient, and when children oneself stepped on, forward-reverse also can be handled very skillfully, when the adult handled, advancing or retreating not to cause that step rotates and injure children.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is that the master of perambulator wheel when the power-transfer clutch disengaged position of the utility model band power-transfer clutch looks cross-sectional schematic.

Fig. 2 is the A-A cross-sectional schematic of Fig. 1.

Fig. 3 is that the master of perambulator wheel when the power-transfer clutch mode of operation of the utility model band power-transfer clutch looks cross-sectional schematic.

Fig. 4 is the B-B cross-sectional schematic of Fig. 3.

The perambulator wheel of band power-transfer clutch of the present utility model, the reinforced rib that similar spoke is respectively arranged on its left and right hub (1,2), left and right hub (1,2) inside face is provided with in order to be coupled to each other and to rise the column support of reinforcement effect, these all omit in Fig. 1 to Fig. 4 and do not draw, and expression is installed on the mechanism that hub inside has the power-transfer clutch effect emphatically.

Referring to Fig. 1, Fig. 2, a left side, right hub (1,2) and adopt the bayonet socket mode to be separately fixed at a left side, right hub (1,2) left side on, right cover plate (3,4) formed the housing of wheel, wheel shaft (5) passes the housing of wheel, go up vertical fixing at this wheel shaft (5) baffle plate with two parallel breach (6) is arranged, this can adopt a round iron plate that has two parallel breach to use electric welding to fix with the vertical wheel shaft (5) that passes its center, make the whole work of baffle plate (6) and wheel shaft (5) electroplate antirust again, baffle plate (6) is positioned between revolver shell (1) and the left cover (3), the shape of baffle plate (6) can be shown in the dotted line among Fig. 2, be positioned at a left side at wheel shaft (5), right hub (1,2) position between, be installed with slide plate (7) from left to right successively, movable fork (8) and stage clip (9), movable fork (8) is in the recess of " U " shape and is provided with the hole of passing for wheel shaft (5), one of movable fork (8) with right hub (2) inwall on orienting sleeve (10) formation bearing fit, movable fork (8) is moved axially along wheel shaft (5) only, that is to say that movable fork (8) can not rotate in orienting sleeve (10), thereby orienting sleeve (10) side's of can be made into hull shape and make one usually with right hub (2), because the qualification of orienting sleeve (10), two parallel plates that make movable other end of pitching (8) be " U " shape face two parallel slots (17 on the revolver shell (1) all the time, 17 '), stage clip (9) is positioned at orienting sleeve (10), wheel shaft (5) had both passed stage clip (9) and had also passed in orienting sleeve (10), movable fork (8) is the recess of " U " shape and is close to by stage clip (9) and slide plate (7), this slide plate (7) has two different areal of supports (11 of height, 12) and the inclined-plane of middle transition and be provided with the vertical vertical elongated slot (16) that supplies wheel shaft (5) to pass with wheel shaft (5), slide plate (7) can slide by the direction vertical with wheel shaft (5) by this vertical elongated slot (16), be provided with knob (13) in the manhole on revolver shell (1), the support holes of its rotating shaft of this knob (13) is located in the stanchion (18) of right hub (2) inwall, this knob (13) has a transverse arm (14) that is positioned at wheel housings, end at this transverse arm (14) forms movable the connection by a little axle (15) and an end of slide plate (7), when therefore knob (13) rotates, its transverse arm (14) also just drives slide plate (7) and slides along the direction vertical with wheel shaft (5), when transverse arm (14) is in Fig. 1, during position shown in Figure 2, the recess that movable fork (8) is " U " shape withstands on the high areal of support (11) of slide plate (7), thereby two parallel plates that movable fork (8) is " U " shape can not embed within the two parallel breach of baffle plate (6), power-transfer clutch just is in disengaged position, although wheel shaft (5) rotates, because baffle plate (6) is failed contact activity fork (8), thereby can not drive wheel turns.

Referring to Fig. 3, Fig. 4, it and Fig. 1, the difference of Fig. 2 is, because knob (13) is by switching, make transverse arm (14) forward position shown in Figure 4 to from the position of Fig. 2, slide plate (7) just moves to the position that its low areal of support (12) and " U " shape recess of movable fork (8) are close to mutually, at this moment two parallel plates that movable fork (8) is " U " shape pass two parallel slots (17 on the revolver shell (1), 17 ') and embed in the two parallel breach of baffle plate (6), at this moment power-transfer clutch is just in running order, because baffle plate (6) is integral with wheel shaft (5), wheel shaft (5) rotates by baffle plate (6) drive activity fork (8) and rotates, two parallel plates that movable fork (8) is " U " shape drive revolver shell (1), movable fork (8) other end drives right hub (2) by the orienting sleeve (10) at its place again, a left side, right hub (1,2) all stressed, thus whole wheel is rotated.

Use the perambulator wheel of the utility model band power-transfer clutch, as the front-wheel that can push away, can step on dual-purpose type toy tricycle, when needs are transformed to children from stepping on mode or being when being grown up maneuverability pattern from children from stepping on mode conversion conversely from adult's maneuverability pattern, only need the knob (13) on the switching perambulator front-wheel, the transverse arm (14) that knob (13) is had drives slide plate (7) and moves, make movable fork (8) embed two parallel breach of baffle plates (6) or break away from, thereby make power-transfer clutch change mode of operation into or change disengaged position into by mode of operation by disengaged position from baffle plate (6); Owing to have only knob (13) to be emerging in the outside face of wheel, all the other mechanisms of playing the power-transfer clutch effect all are positioned within the housing of wheel, and what tangible annex perambulator does not increase in appearance, but has obtained bigger improvement on the function.

Claims (1)

1. perambulator wheel with power-transfer clutch, it includes wheel and wheel shaft, it is characterized in that: described wheel includes and is a left side that is fixedly connected, right hub (1,2) and be separately fixed at a left side, right hub (1,2) left side on, right cover plate (3,4), described wheel shaft (5) is gone up vertical fixing a baffle plate with two parallel breach (6), this baffle plate (6) is positioned between revolver shell (1) and the left cover (3), be positioned at a left side at wheel shaft (5), right hub (1,2) position between, be installed with slide plate (7) from left to right successively, movable fork (8) and stage clip (9), on right hub (2) inwall, be provided with the orienting sleeve (10) that holds stage clip (9) and movable fork (8), two parallel plates that this orienting sleeve (10) forms bearing fit and makes movable fork (8) be " U " shape with movable fork (8) face two parallel slots (17 on the revolver shell (1), 17 '), the recess that is somebody's turn to do " U " shape is close to by stage clip (9) and slide plate (7), this slide plate (7) has two different areal of supports (11 of height, 12) and the inclined-plane of middle transition and be provided with the vertical vertical elongated slot (16) that supplies wheel shaft (5) to pass with wheel shaft (5), be provided with knob (13) in the manhole on revolver shell (1), this knob (13) has a transverse arm (14) that is positioned at hub, forms movable the connection in the end of this transverse arm (14) by a little axle (15) and an end of slide plate (7).

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