CN209321032U - One kind is for folding steered wheel on baby stroller - Google Patents

Abstract

One kind is for folding steered wheel on baby stroller；Including fixing seat, wheel, the hinged support bar in fixing seat, the other end of support rod is fixedly connected with sleeve, bearing is embedded in sleeve, tight fit between the outer ring and sleeve lining of bearing, vehicle wheel rotation is connected in the horizontal sides of L shape axis, the vertical edge tight fit connection of L shape axis is in the inner ring of bearing, attachment base is fixedly connected in fixing seat lower surface, articulated shaft one is equipped on attachment base, two connecting rods one being parallel to each other, connecting rod two is hinged on attachment base by articulated shaft one, articulated shaft two is equipped in the middle part of support rod, two connecting rods three being parallel to each other, connecting rod four passes through in two hinged support bar of articulated shaft, connecting rod one and connecting rod three, it is connected by hinged retaining mechanism between connecting rod two and connecting rod four.Space is saved in the foldable collection of this wheel.

Description

One kind is for folding steered wheel on baby stroller

Technical field

The utility model relates to wheels, in particular to a kind of for folding steered wheel on baby stroller, belong to Vehicle has technical field.

Background technique

Baby stroller is needed according to needs, front is turned to using steered wheel, and current baby stroller is mostly not It is very normal to carry the scene that baby goes on a long journey together since the current trip of people, tourism scene gradually increase with folder function See, since baby stroller is not foldable, when carrying needs to occupy biggish space, brings big inconvenience to trip, a small number of Its fold mechanism of baby stroller with folder function is complicated, and due to folding on current foldable baby trolley The problem of mechanism designs, when in use there is not firm at fold mechanism, cause its advance in it is unstable, or even can Safety problem can be generated.

Summary of the invention

The purpose of the utility model is to overcome the above problems present in steered wheel on current baby stroller, mention For one kind for folding steered wheel on baby stroller.

To realize the purpose of this utility model, using following technical solutions: one kind on baby stroller for that can roll over Folded steered wheel, including fixing seat, wheel, the hinged support bar in fixing seat, the other end of support rod are fixedly connected with set Tin, it is embedded with bearing, tight fit between the outer ring and sleeve lining of bearing in sleeve, vehicle wheel rotation is connected to the level of L shape axis Bian Shang, the axial direction of wheel and the axial direction of bearing are spatially orthogonal, the inner ring of the vertical edge tight fit connection of L shape axis in bearing In, it is fixedly connected with attachment base in fixing seat lower surface, articulated shaft one, two connecting rods being parallel to each other are equipped on attachment base One, connecting rod two is hinged on attachment base by articulated shaft one, articulated shaft two is equipped in the middle part of support rod, two are parallel to each other Connecting rod three, connecting rod four by two hinged support bar of articulated shaft, it is logical between connecting rod one and connecting rod three, connecting rod two and connecting rod four Hinged retaining mechanism connection is crossed, the hinged retaining mechanism includes pin shaft, connecting rod one and connecting rod three, connecting rod two and four, connecting rod Divide superposition, is located on external connecting rod at superposition position and offers big hole, small sircle hole, small sircle hole are offered on internal connecting rod Size and pin shaft be adapted, big hole is concentric with small sircle hole, and end cap has been bolted on big hole, has opened up on end cap There is perforation, pin slide is threaded through in perforation, spring retainer portion is fixedly connected with or be wholely set on pin shaft, in end cap and bullet It is equipped with spring on pin shaft between spring limiting section, multiple arcs fixture block, multiple arcs card are provided in spring retainer portion circumferential direction Block is distributed on the same circumference centered on pin shaft, is offered and multiple arcs on the wall at internally positioned connecting rod superposition position The arc groove of shape fixture block item cooperation, multiple arcs slot is distributed on the same circumference centered on small sircle hole, in the outer end of pin shaft It is connected with pull ring, pulls pull ring that arc fixture block can be made to deviate from from arc groove；Further；In the end mouthful of sleeve installation bearing Internal upper part is provided with postive stop baffle, and postive stop baffle is fixedly connected on sleeve or is integrated with sleeve；Further；Described The quantity of arc fixture block and arc groove is four, and arc fixture block, arc groove are uniformly distributed on the same circumference.

The positive advantageous effects of the utility model are: the foldable collection of this wheel, save space, to reduce hand The area occupied of cart provides scheme, this wheel is when in use, vertical straight by support rod, locks connecting rod using hinged retaining mechanism, After use, two pull rings are pulled outwardly, so that wheel connecting rod is rotated to fixed bit and postpones with the locking of hinged retaining mechanism.This reality Simple with new structure, multiple arcs fixture block and arc groove cooperate, and reliable lock, use is safe, easy to operate, small in size, section Save space provides scheme to reduce the area occupied of trolley.

Detailed description of the invention

Fig. 1 is the schematic diagram of this wheel expansion.

Fig. 2 is the folded schematic diagram of this wheel.

Fig. 3 is the schematic diagram after sleeve is splitted.

Fig. 4 is the enlarged drawing at hinged retaining mechanism position.

Specific embodiment

In order to more fully explain the implementation of the utility model, the embodiment of the utility model is provided.These implement real Example is only the elaboration to the utility model, does not limit the scope of the utility model.

In conjunction with attached drawing to the further details of explanation of the utility model, respectively marked in attached drawing are as follows: 1: fixing seat；2: support Bar；3: sleeve；4:L shape axis；5: wheel；6: attachment base；7: connecting rod one；8: connecting rod two；9: connecting rod three；10: connecting rod four；11: hinge Spindle two；12: pin shaft；13: pull ring；14: bearing；15: postive stop baffle；16: end cap；17: big hole；18: small sircle hole；19: bullet Spring；20: spring retainer portion；21: arc fixture block；22: arc groove；23: articulated shaft one.

As shown in the picture, a kind of for folding steered wheel on baby stroller；Including fixing seat 1, wheel 5, Hinged support bar 2 in fixing seat, the other end of support rod are fixedly connected with sleeve 3, bearing 14 are embedded in sleeve, pacify in sleeve The end mouthful internal upper part for filling bearing is provided with postive stop baffle 15, and postive stop baffle is fixedly connected on sleeve or is one with sleeve Body, tight fit between the outer ring and sleeve lining of bearing, wheel 5 are rotatably connected in the horizontal sides of L shape axis 4, horizontal sides and perpendicular Straight flange refers both under unfolded state, and the axial direction of wheel and the axial direction of bearing are spatially orthogonal, the vertical edge end tight fit of L shape axis It is connected in the inner ring of bearing, is fixedly connected with attachment base 6 in fixing seat lower surface, articulated shaft 1 is equipped on attachment base, Two connecting rod 1, the connecting rods 28 being parallel to each other are hinged on attachment base by articulated shaft one, are equipped in the middle part of support rod Articulated shaft 2 11, two connecting rod 39, the connecting rods 4 10 being parallel to each other pass through in two hinged support bar of articulated shaft, connecting rod one and company It is connected by hinged retaining mechanism between bar three, connecting rod two and connecting rod four,

The hinged retaining mechanism includes pin shaft 12, connecting rod one and connecting rod three, connecting rod two and four partial stack of connecting rod, Superposition position, which is located on external connecting rod, offers big hole, offers small sircle hole on internal connecting rod, in the present embodiment, connecting rod One, connecting rod three is located at outside, screw hole is offered on connecting rod one, connecting rod three, bolt in screw hole is fixed to be connected end cap by being screwed in It connects on respective link one, connecting rod three, Fig. 4 shows the hinged retaining mechanism on connecting rod one and connecting rod three, and 17 show great circle Hole, 18 show small sircle hole, and the size and pin shaft of small sircle hole are adapted, and big hole is concentric with small sircle hole, offers on end cap 16 Perforation, pin slide are threaded through in perforation, spring retainer portion 20 are fixedly connected with or be wholely set on pin shaft, in end cap and bullet It is equipped with spring 19 on pin shaft between spring limiting section, is provided with multiple arcs fixture block in spring retainer portion circumferential direction, 21 show Arc fixture block, multiple arcs fixture block are distributed on the same circumference centered on pin shaft, are superimposed position in internally positioned connecting rod Wall on offer arc groove with the cooperation of multiple arcs fixture block item, 22 show arc groove, and in the present embodiment, arc groove is opened up On connecting rod two, connecting rod four, multiple arcs slot is distributed on the same circumference centered on small sircle hole, is connected in the outer end of pin shaft There is pull ring 13, pulls pull ring that arc fixture block can be made to deviate from from arc groove；In more detail, the arc fixture block and arc card Slot is four.

This wheel needs expansion or collapsible, by being pulled outwardly corresponding pull ring, takes off arc fixture block from arc-shaped slot Out, each two bar can be rotated around pin shaft and corresponding articulated shaft rotates, while wheel connecting rod rotates, and folding or exhibition can be realized It opens.

After the embodiments of the present invention is described in detail, one of ordinary skilled in the art is clearly understood that, Various change and modification can be carried out by not departing under above-mentioned claim and spirit, all according to the technical essence of the utility model Any simple modification, equivalent change and modification to the above embodiments belong to the range of technical solutions of the utility model, And the utility model is also not only restricted to the embodiment of example in specification.

Claims (3)

1. one kind is for folding steered wheel on baby stroller, including fixing seat, wheel, it is characterised in that: in fixation Hinged support bar on seat, the other end of support rod are fixedly connected with sleeve, and bearing, the outer ring of bearing and sleeve are embedded in sleeve Tight fit between inner wall, vehicle wheel rotation are connected in the horizontal sides of L shape axis, and the axial direction of the axial direction of wheel and bearing is spatially just It hands over, the vertical edge tight fit connection of L shape axis is fixedly connected with attachment base in the inner ring of bearing, in fixing seat lower surface, connects Articulated shaft one is equipped on seat, two connecting rod one, the connecting rods two being parallel to each other are hinged on attachment base by articulated shaft one, are being propped up Articulated shaft two is equipped in the middle part of strut, two connecting rod three, the connecting rods four being parallel to each other pass through in two hinged support bar of articulated shaft, It is connected by hinged retaining mechanism between connecting rod one and connecting rod three, connecting rod two and connecting rod four, the hinged retaining mechanism packet Pin shaft, connecting rod one and connecting rod three, connecting rod two and four partial stack of connecting rod are included, is located on external connecting rod at superposition position and offers Big hole offers small sircle hole on internal connecting rod, and the size and pin shaft of small sircle hole are adapted, and big hole is concentric with small sircle hole, End cap has been bolted on big hole, perforation is offered on end cap, pin slide is threaded through in perforation, solid on pin shaft Spring retainer portion is connected or be wholely set calmly, spring, spring limit are equipped on the pin shaft between end cap and spring retainer portion Multiple arcs fixture block is provided in position portion circumferential direction, multiple arcs fixture block is distributed on the same circumference centered on pin shaft, in place In offering the arc groove with the cooperation of multiple arcs fixture block item on the wall at internal connecting rod superposition position, multiple arcs slot is distributed in On same circumference centered on small sircle hole, it is connected with pull ring in the outer end of pin shaft, pulls pull ring that arc fixture block can be made from arc Deviate from slot.

2. according to claim 1 a kind of for folding steered wheel on baby stroller, it is characterised in that: covering The end mouthful internal upper part of cylinder installation bearing is provided with postive stop baffle, and postive stop baffle is fixedly connected on sleeve or is one with sleeve Body.

3. according to claim 1 a kind of for folding steered wheel on baby stroller, it is characterised in that: described Arc fixture block and the quantity of arc groove be four, arc fixture block, arc groove are uniformly distributed on the same circumference.