CN203332301U

CN203332301U - Three-wheel stroller adjustable in height

Info

Publication number: CN203332301U
Application number: CN201320274910XU
Authority: CN
Inventors: 陈茂欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-18
Filing date: 2013-05-18
Publication date: 2013-12-11
Anticipated expiration: 2023-05-18

Abstract

The utility model discloses a three-wheel stroller which can be easily adjusted in height and thus can be applicable to infants and children different in height. The three-wheel stroller adjustable in height comprises a support, wherein a front wheel and a directional handle are arranged at the front end of the support, rear wheels are arranged at the rear end of the support, a seat is arranged on the support, a hinge is arranged at the position, below the seat, at the rear of the support, and the hinge is composed of two connecting parts which are mutually connected in a pivoted mode. A round groove is formed in the first connecting part, and inner teeth are arranged on the side wall of the round groove; a round groove is formed in the second connecting part, inner teeth are arranged on the side wall of the round groove, the round groove in the first connecting part and the round groove in the second connecting part oppositely form a movable cavity, a gear is located in the movable cavity and respectively meshed with the inner teeth in the first connecting part and the inner teeth in the second connecting part, and a pressing plate is arranged on the outer side of the round groove of the second connecting part.

Description

Height-adjustable toy tricycle

Technical field

The utility model relates to the perambulator of entertainment for children and physical exercise, specifically can be according to using the perambulator that needs to regulate bodywork height.

Background technology

Existing perambulator is varied, but, based on safety and light, generally all can not regulate height.

CN2183317A discloses a kind of tune seat perambulator, car beam between front-wheel and trailing wheel is stepped appearance, after the car beam, upper end is provided with 3 halfpaces of differing heights, the halfpace both sides are provided with concave edge in halfpace, which is provided with screw, the vehicle seat bottom is provided with vehicle seat spill edge, and vehicle seat is positioned on car beam halfpace, and the height of this perambulator is used inconvenient.

CN201071092A discloses a kind of Bendable push-and-pull section of toy tricycle, by fixed part, bent part and adjusting catch gear, formed, wherein one of fixed part is fixed in the vehicle frame rear portion, bent part rotates and coordinates with its other end, handgrip section is located on bent part, regulates catch gear and is located on fixed part and bent part.

Summary of the invention

Thereby the purpose of this utility model is to provide a kind of toy tricycle that can simple and easyly regulate the applicable differing heights child of height and children.

This toy tricycle comprises support, the support front end has front-wheel and handle-bar, back-end support has trailing wheel, seat is arranged on support, the support rear is positioned at under-seat hinge, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

Can spacing hole on gear, limited location post in the circular trough of the second attaching parts.

In above-mentioned handle-bar, hinge can be arranged, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

Above-mentioned support rear connects push rod, hinge is arranged in push rod, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

There is pedal above-mentioned support below, on the connecting rod of pedal, hinge is arranged, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

The utility model changes the angle of support leading portion and back segment by the rotation of hinge, regulate the height on hinge place and ground, thereby the height of adjusting seat, regulate the distance between handle-bar and seat by the hinge on the rotation direction handle, by the height of the hinge regulating pushing rod up knob on rotating push-rod, the utility model can be used child and the children of differing heights, safe and light, when packing or carrying, the utility model can also fold reduced volume, the heat exchange that is easy to carry transportation.

The accompanying drawing explanation

Fig. 1 is utility model toy tricycle schematic diagram.

Fig. 2 is the hinge schematic diagram.

Fig. 3 is the hinge exploded drawings.

Fig. 4 is the hinge rollover states exploded drawings of Fig. 3.

The specific embodiment

Toy tricycle shown in Fig. 1 comprises support 1, the front end of support 1 has front-wheel fork arm 2, and front-wheel fork arm 2 belows connect front-wheel 3, and the top of front-wheel fork arm 3 is handle-bar 4, hinge 5 is arranged in front-wheel fork arm 3, seat 6 is arranged on support 1, and there is pedal 7 below of support 1, and hinge 8 is arranged on the connecting rod of pedal 7, there is hinge 9 below that the rear of support 1 is positioned at seat 6, support 1 rear end connects trailing wheel 10, and the rear of support 1 connects push rod 11, and hinge 12 is arranged on push rod 11.

Hinge 5, hinge 8, hinge 9, hinge 12 have identical structure, as shown in Figure 2, Figure 3, Figure 4, the first attaching parts 21 and the second attaching parts 22, by the mutual pivot joint of axle 13, consist of, and also have reinforced

rib

14,15 on the first attaching parts 21 and the second attaching parts 22.In the first attaching parts 21, circular trough 23 is arranged, the sidewall of circular trough 23 has internal tooth 26.In the second attaching parts 22, circular trough 31 is arranged, circular trough 31 sidewalls have internal tooth 32.Circular trough 31 in circular trough 23 in the first attaching parts 21 and the second attaching parts 22 forms a movable chamber in opposite directions, and gear 24 is arranged in this activity chamber, and can with internal tooth 26 and internal tooth 32, mesh respectively.In the circular trough 23 of the first attaching parts 21, spring 25 is arranged, the degree of depth of circular trough 23 is more than or equal to the thickness of gear 24, circular trough 31 degree of depth are less than the thickness of gear 24, there is pressing plate 33 in the outside of circular trough 31, depression bar 34 is arranged on pressing plate 33, under reset mode, gear 24 is meshed with internal tooth 26 and internal tooth 32 by spring 25 elastic force effects simultaneously, between the first attaching parts 21 and the second attaching parts 22, can not relatively rotate, depress pressing plate 33, by depression bar 34, gear 24 is shifted onto in circular trough 23, gear 24 no longer meshes with the internal tooth 32 of circular trough 31, between the first attaching parts 21 and the second attaching parts 22, can relatively rotate, rear relieving pressing plate 33 turns an angle, gear 24 is meshed with internal tooth 26 and internal tooth 32 by spring 25 elastic force effects again simultaneously, rotational angle between the first attaching parts 21 and the second attaching parts 22 is fixed.

Be arranged in the hinge 9 of the below of seat 6 in support 1, a plurality of spacing holes 41 are arranged on gear 24, limited location post 42 in the circular trough 31 of the second attaching parts 22, adjusting angle process between the first attaching parts 21 and the second attaching parts 22, when limited post 42 is aimed at by spacing hole 41, gear 24 just can fall into the circular trough 31 of the second attaching parts 22, otherwise gear 24 is also in the circular trough 23 of the first attaching parts 21, can also freely rotate between the first attaching parts 21 and the second attaching parts 22, limit thus the adjusting angle between the first attaching parts 21 and the second attaching parts 22.

Claims

1. a height-adjustable toy tricycle, comprise support, the support front end has front-wheel and handle-bar, back-end support has trailing wheel, seat is arranged on support, it is characterized in that, described support rear is positioned at under-seat hinge, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

2. toy tricycle according to claim 1, is characterized in that some spacing holes are arranged on described gear, limited location post in the circular trough of the second attaching parts.

3. according to the described toy tricycle of claim 1 or 2, it is characterized in that, in described handle-bar, hinge is arranged, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

4. according to the described toy tricycle of claim 1 or 2, it is characterized in that, described support rear connects push rod, hinge is arranged in push rod, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.

5. according to the described toy tricycle of claim 1 or 2, it is characterized in that, there is pedal described support below, on the connecting rod of pedal, hinge is arranged, this hinge consists of the attaching parts of two mutual pivot joints, in the first attaching parts, circular trough is arranged, the sidewall of circular trough has internal tooth, in the second attaching parts, circular trough is arranged, its sidewall has internal tooth, circular trough in circular trough in the first attaching parts and the second attaching parts forms a movable chamber in opposite directions, gear is arranged in this activity chamber, and can be respectively with the first attaching parts in internal tooth and the engagement of the internal tooth in the second attaching parts, the degree of depth of the circular trough in the first attaching parts is more than or equal to the thickness of gear, the circular trough degree of depth in the second attaching parts is less than the thickness of gear, there is pressing plate in the outside of the circular trough of the second attaching parts.