CN101263309A

CN101263309A - Angularly adjustable coupling

Info

Publication number: CN101263309A
Application number: CNA2006800339584A
Authority: CN
Inventors: A·基范洛
Original assignee: IGC Australia Pty Ltd
Current assignee: IGC Australia Pty Ltd
Priority date: 2005-09-15
Filing date: 2006-09-14
Publication date: 2008-09-10
Also published as: WO2007030883A1

Abstract

An angularly adjustable coupling (10) including a pair of socket or plug members (22, 32) adapted to engage and be fixed to respective tubular components (12, 14). Means (24, 34) linking the socket or plug members (22, 32) are provided whereby they are relatively moveable to a plurality of positions having different angular relationships between the tubular components (12, 14). The socket or plug members (22, 32) are formed in one or more plastics materials and the coupling (10) further includes an elongate reinforcing means (70) co-moulded within the socket or plug members (22, 32) and arranged to link both the socket or plug members (22, 32). On any structural failure of the socket or plug members (22, 32) or of the linking means (24, 34), the socket or plug members (22, 32) remain connected together.

Description

The connector of adjustable angle

Technical field

The present invention relates to a kind of connector of adjustable angle, this connector is used to make tubular member to interconnect, so that make parts can select to be locked in different mutual angular orientations with discharging.

Background technique

The special-purpose of described connector is the vehicle that is used for baby carriage, four-wheel baby carriage or wheelbarrow and similarly pushes away forward, and they are used to transport baby and child.These vehicles generally include the inverted U-shaped Handleset of inclination that tubular member is formed.In order to adapt to the nursing staff of different heights, and make their the most comfortable and make the back tired minimum when go-cart, known each side at vehicle provides adjustable connector between Handleset and main car frame.A kind of such connector is a pair of intermeshing ring gear shape element that has, and this can temporarily be thrown off by overcoming the Returnning spring pressing button ring gear shape element is arranged, so that parts are rotated relatively.

The connector of these adjustable angle generally includes a pair of rotatable connected element, and each connected element is made up of plastic mold.The problem that may occur under the extreme climate situation is a unexpected structure failure of assembly, thereby causes structural collapse or parts to separate fully.Observe, structure failure at first occurs in the intermeshing core that assembly on the ring gear shape element is arranged.In some cases, the structural collapse of a connector will cause the stress and strain of another connector, and this makes another connector also simultaneously or near losing efficacy simultaneously.This causes Handleset to separate fully with the remaining part of vehicle, and according to the position of vehicle, this may produce very serious result certainly.

In the design of baby carriage, four-wheel baby carriage or wheelbarrow, need have consistent outward appearance, this is not only for aesthetic values, and is for Security.When using the assemblying body of metal and plastic components, the synthetic of generation will lack required surface finishment and whole planarization.

The objective of the invention is to reduce at least in the connector of described adjustable angle, to take place the possibility of separation fully.

Summary of the invention

Therefore, the invention provides a kind of connector of adjustable angle, it comprises:

A pair of socket or plug element are used for meshing and be fixed on corresponding tubular member with corresponding tubular member;

The device that connects described socket or plug element, thereby but make their relative movement to making a plurality of positions that the different amount relation is arranged between the tubular member;

Wherein, described socket or plug element are made of one or more plastic materials, and described connector also comprises elongated intensifier, and this intensifier is co-molded in described socket or plug element, and are arranged to connect this two sockets or plug element;

Therefore, when socket or plug element or described connection set generation any structure fault, this socket or plug element remain attached to together.

Preferably, this connection set comprises with can selecting to discharge described socket or plug element is locked in the device of each described position.

Preferably, elongated intensifier comprises two or more molded parts in corresponding socket or plug element.Preferably, this socket or plug element and elongated intensifier are hinged at articulating point, regulate so that can carry out pivot relative according to the angular dependence between the tubular member.

In a preferred form, intensifier comprises the pair of metal plate, preferably, and tubular member between the situation of axis coaxle of angle adjustment under, this socket or plug element are hinged.

Description of drawings

To and further introduce the present invention with reference to the accompanying drawings by example below, in the accompanying drawing:

Fig. 1 is the perspective view of connector of the adjustable angle of the embodiment of the invention, and expression connects a pair of tubular frame component; And

The exploded view that Fig. 2 is a connector when other direction and orientation are seen.

Embodiment

The connector 10 of adjustable angle is expressed as and is used to make corresponding

tubular frame component

12,14 to interconnect.Usually, these tubular members are a part that is the main frame and the handle framework of four-wheel baby carriage or baby carriage respectively, will corresponding similar connector 10 be arranged respectively at the opposite side of this four-wheel baby carriage or baby carriage.

The body element of connector is with 20,30 expressions.Each body element comprises: the general tube shape socket part 22,32 of circular crosssection is used for meshing with them by packing corresponding

tubular member

12,14 into; And complementary annular portion 24,34.

Annular portion

24,34 has relative

interior notches

25,35, this

interior notches

25,35 be limited at V-arrangement roughly the cylindrical circumference of axially aligning tooth around.In Fig. 2, see the tooth 36 of annular portion 34 only.

Annular portion

24,34 is assembled together being rotated by pivot pin 40, and locks together to prevent rotation by the small gear 50 that is installed on the boss 52 in the

cavity

25,35.

Small gear 50 is can axial motion between the primary importance and the second place on the boss 52, this small gear by spiral compression spring 54 bias voltages to primary importance, and in this primary importance, the tooth 51 of small gear and 36 engagements of the tooth on two annular portions, and when this second place, this small gear is whole in cavity 35, the tooth of small gear in this cavity not with the engagement of the tooth of annular portion 24.In this second place,

body element

20,30 can be by rotating around the axis of pin 40 with handling, so that regulate the relative angle relation of

tubular member

12,14 mutually.In order to carry out this adjusting, small gear 50 can axially push away its locked position by the coaxial moveable hollow button 60 that is exposed to annular portion 24 outsides.Button 60 has lip shape annular flange flange 62, the end joined of this lip shape annular flange flange 62 and small gear 50.This antelabium remains in the opening 64 of annular portion 24 this button, meshes between transverse web 28 by making annular portion 24 and a pair of vertical slit 68 in the button 60, thereby button 60 is keyed in this opening 64 slidably.Disc 28 also makes pin 40 fix in position.

In a kind of optional mode of execution, connector 10 can overturn and make button 60 be exposed to the inside of annular portion 24.This configuration makes when the user holds the handle of four-wheel baby carriage or baby carriage, makes the button 60 of each connector can use thumb manipulation.

Body element

20,30 is made of plastics, and is contained in sheet metal co-molded in the

body element

20,30 72,73.Should be known in the transverse pivot axis of the axis runout pin 40 of socket 22,32.Therefore, there is crooked flip portion 74,75 the inner of

plate

72,73, like this,

body element

20,30 overlaps, the inner of

plate

72,73 overlaps and pivotally is fixed together by the fixing rivet 76 that passes two

annular portions

24,34, and the axis coaxle of pivotal axis and pin 40.

The respective end of socket 22,32 has

fastener apertures

84,85 at its opposite side.When connector is assembled when in place, corresponding single fixed block pass socket 22 or 32 and

tubular frame component

12 or 14 extend.Should be noted that the outer end of

plate

72,73 does not extend to

fastener apertures

84,85 places, is not directly connected to

tubular frame component

12,14 equally.

Should know, the final assembly that comprises socket 22,32 and

co-molded plate

72,73 comprises elongated intensifier 70, this device 70 is arranged to like this, when connector is fixed on the corresponding

tubular member

12,14, and elongated intensifier 70 gang sockets 22,32.Socket 22,32 also connects tubular member 12,14.By in socket 22,32, forming elongated intensifier 70, eliminated the risk that structure failure in angle adjustment connects, occurs.Usually, such structure failure may take place under the situation that substantially not have warning, for example, and when plastic mold or weldment cause owing to becoming fragile in (for example in very cold or very hot place) under the extreme climate situation when rupturing.In described purposes, promptly when being used for baby carriage, four-wheel baby carriage or other baby or children's carriage of vehicle, described structure prevents Handleset and main frame components apart.

Be also to be understood that the term that uses in this specification " comprises " that (or other phraseological modification) are equal to term and " comprise ", and should not be counted as getting rid of the existence of other elements or feature.

Should be known in invention disclosed in this manual and that limit can expand to described in article or the accompanying drawing or shown in the whole optional combination of two or more single features.All these various combinations constitute the optional aspect of difference of the present invention.

Claims

1. the connector of an adjustable angle, it comprises:

A pair of socket or plug element are used for engaging and be fixed on this tubular member with corresponding tubular member;

2. the connector of adjustable angle according to claim 1, wherein: connection set comprises with can selecting to discharge described socket or plug element is locked in the device of each described position.

3. the connector of adjustable angle according to claim 1 and 2, wherein: elongated intensifier comprises two or more molded parts in corresponding socket or plug element.

4. the connector of adjustable angle according to claim 3, wherein: socket or plug element, and elongated intensifier thus is hinged at the articulating point place, regulates so that can carry out pivot relative according to the angular dependence between the tubular member.

5. according to the connector of each described adjustable angle of aforementioned claim, wherein: intensifier comprises the pair of metal plate.

6. according to the connector of each described adjustable angle of aforementioned claim, wherein: and tubular member between the situation of axis coaxle of angle adjustment under, socket or plug element are hinged.