Adjustable height balance beam

An adjustable height balance beam includes a beam having a first part, a second part, and a middle part connected between the first part and the second part; a first supporter configured to connect and support the first part; and a second supporter configured to connect and support the second part. Each of the first supporter and the second supporter includes a connection element connected to the beam, a support element pivotably connected to an end of the connection element and having a plurality of fixing portions along an extending direction of the support element, and an adjustable element having a first end pivotably connected to another end of the connection element and a second end configured to be detachably connected with the plurality of fixing portions so as to adjust a height of the beam.

TECHNICAL FIELD

The present disclosure relates to the technical field of exercise equipment, in particular, to an adjustable height balance beam.

BACKGROUND

Balance beams are widely known pieces of exercise equipment most commonly used in connection with gymnastics. An existing balance beam has a linear double-pipe height adjustment mode, it is hard to adjust a height and a height of a single pope only can be adjusted to 30 cm, 35 cm, 40 cm or 45 cm. Further, the existing balance beam also has the problem of swaying from side to side, causing low security.

SUMMARY

In order to overcome the shortcomings in the existing balance beam, the present disclosure provides an adjustable height balance beam.

The present disclosure also adopts the following technical solution: an adjustable height balance beam comprising a beam including a first part, a second part, and a middle part connected between the first part and the second part; a first supporter configured to connect and support the first part; a second supporter configured to connect and support the second part; wherein each of the first supporter and the second supporter includes a connection element connected to the beam, a support element pivotably connected to an end of the connection element and including a plurality of fixing portions along an extending direction of the support element, and an adjustable element including a first end pivotably connected to another end of the connection element and a second end configured to be detachably connected with the plurality of fixing portions so as to adjust a height of the beam.

Further, the connection element includes a first connection plate fixed on a bottom surface of the beam and two first side plates facing each other and vertically connected to the first connection plate, each first side plate includes a first pivot hole, a first shaft passes through the first pivot holes of the two first side plates and at least one second pivot hole of the first end of the adjustable element so as to pivotably connect the connection element and the first end of the adjustable element.

Further, the first connection plate includes a plurality of first fixing holes, a plurality of first fixing elements pass through the plurality of first fixing holes respectively and insert into the beam so as to fix the connection element on the bottom surface of the beam.

Further, the adjustable element includes a second connection plate and two second side plates facing each other and vertically connected to the second connection plate, each second side plate includes a second pivot hole, the first end of the adjustable element is located between the two first side plates of the connection element and each second side plate abuts a corresponding one first side plate, the first shaft passes through the first pivot holes of the two first side plates and the two second pivot holes of the two second side plates so as to pivotably connect the connection element and the first end of the adjustable element.

Further, the first shaft is a first screw including a first head and a first shaft portion connected with the first head, a first nut is fixed on an end of the first shaft portion far away from the first head.

Further, the support element includes a third connection plate and two third side plates facing each other and vertically connected to the third connection plate, each third side plate includes a third pivot hole, a second shaft passes through the third pivot holes of the two third side plates and fourth pivot holes of the first side plates of the connection element so as to pivotably connect the connection element and the support element, the adjustable element includes a fixing shaft passing through the two third side plates, the fixing shaft is configured to be fixed in the plurality of fixing portions so as to detachably connect to the support element, and an end surface of each of two second side plates at the second end of the adjustable element are arc-shaped and abuts the third connection plate.

Further, the second shaft is a second screw including a second head and a second shaft portion connected with the second head, a second nut is fixed on an end of the second shaft portion far away from the second head.

Further, the two second side plates are located between the two third side plates, and each second side plate abuts a corresponding one third side plate.

Further, the adjustable element includes a gasket welded on the third side plate, and the fixing shaft passes through the gasket and the two third side plates and fixed at the fixing portion.

Further, two locking members are disposed at two opposite ends of the fixing shaft and sandwich the two third side plates; an outer surface of the fixing shaft has outer threads, and the two locking members includes inner threads cooperating with the outer threads so as to fix the second end of the adjustable element and the support element.

Further, when the adjustable height balance beam is in a support state, the fixing shaft is fixed at the plurality of fixing portions, such that the height of the adjustable height balance beam can be adjusted to 30 cm, 35 cm, 40 cm or 50 cm.

Further, the fixing portions are a plurality of third fixing holes passing through the two third side plates.

Further, the plurality of fixing portions are a plurality of notches located on an edge of the two third side plates far away from the third connection plate.

Further, the plurality of notches includes a first notch adjacent to the beam, a second notch far away from the first notch and a plurality of third notches located between the first notch and the second notch, the first notch, the second notch and the plurality of third notches are strip-shaped, an extending direction of the first notch and an extending direction of the second notch are vertical relative to the extending direction of the support element, the plurality of third notches each have a same extending direction that is inclined relative to the extending direction of the support element.

Further, when the adjustable height balance beam is in a folding state, the fixing shaft is located at the second notch, the support element with the adjustable element can rotate about the connection element so as to locate between the two first side plates, and the current height of the adjustable height balance beam includes the height of the beam and a height of the connection element.

Further, each of the first supporter and the second supporter further includes a support shaft connected with an end of the support element far away from the beam in a supporting state, an extending direction of the support shaft is substantially perpendicular to an extending direction of the beam.

Further, the support element further includes a connection portion respectively connected substantially perpendicular with the third connection plate and two third side plates, the connection portion includes at least one second fixing hole, at least one second fixing element passes through the at least one second fixing hole and inserts into the support shaft.

Further, the support shaft includes a main body and a deslicking material layer located at an outer surface of the main body

Further, each third side plate includes a bottom end surface, the bottom end surface is arc-shaped and abuts an outer surface of the support shaft.

Further, the support shaft includes a first portion, a second portion, and a middle portion connected between the first portion and the second portion, the end the support element far away from the beam in the supporting state is connected with the middle portion, a diameter of the first portion is equal to a diameter of the second portion and greater than a diameter of the middle portion.

Further, each of an outer surface of the first portion and an outer surface of the second portion has a plurality of stripe projections, an extending direction of the stripe projection is a same as the extending direction of the support shaft, and the plurality of stripe projections are arranged around the extending direction of the support shaft.

Further, each of the first supporter and the second supporter further includes a strengthening element, the strengthening element includes a fourth connection plate facing with the third connection plate and two fourth side plates facing each other and respectively connected substantially perpendicular with the fourth connection plate, the two third side plates are located between the two fourth side plates and abut against the two fourth side plates.

The present disclosure has the beneficial effects: the second end of the support element can be detachably connected with the plurality of fixing portions so as to adjust the height of the beam easily for users, even children. Furthermore, in the support state, the connection element, the support element and the adjustable element form a triangle shaped structure to support the beam stably, such that user experience of the adjustable height balance beam can be improved.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The term “comprising” when utilized, means “including, but not necessarily limited to”; it specifically indicates open-ended inclusion or membership in the so-described combination, group, series, and the like. The disclosure is illustrated by way of example and not by way of limitation in the figures of the accompanying drawings in which like references indicate similar elements. It should be noted that references to “an” or “one” embodiment in this disclosure are not necessarily to the same embodiment, and such references can mean “at least one”. In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, the features defined as “first” and “second” may explicitly or implicitly include one or more of the said features. In the description of embodiments of the application, “a plurality of” means two or more, unless otherwise specifically defined.

Referring toFIG.1˜FIG.4, a first embodiment of the present disclosure provides an adjustable height balance beam10. The adjustable height balance beam10includes a beam20, a first supporter30aand a second supporter30b. The beam20includes a first part21, a second part22, and a middle part23connected between the first part21and the second part22. The first supporter30ais configured to connect and support the first part21. The second supporter30bis configured to connect and support the second part22. Each of the first supporter30aand the second supporter30bincludes a connection element31, a support element32and an adjustable element33. The connection element31is connected to the beam20. The support element32is pivotably connected to an end of the connection element31and includes a plurality of fixing portions320along an extending direction D1of the support element32, and The adjustable element33includes a first end330apivotably connected to another end of the connection element31and a second end330bconfigured to be detachably connected with the plurality of fixing portions320so as to adjust a height of the beam20.

In the adjustable height balance beam10, the second end330bof the support element32can be detachably connected with the plurality of fixing portions320so as to adjust the height of the beam20easily for users, even children. Furthermore, in the support state, the connection element31, the support element32and the adjustable element33form a triangle shaped structure to support the beam20stably, such that user experience of the adjustable height balance beam10can be improved.

In the embodiment, the connection element31includes a first connection plate311fixed on a bottom surface of the beam20and two first side plates312facing each other and respectively connected substantially perpendicular to the first connection plate311, each first side plate311includes a first pivot hole, a first shaft341passes through the first pivot holes of the two first side plates312and at least one second pivot hole of the first end330aof the adjustable element so as to pivotably connect the connection element31and the first end330aof the adjustable element.

The first connection plate311includes a plurality of first fixing holes, a plurality of first fixing elements345pass through the plurality of first fixing holes respectively and insert into the beam20so as to fix the connection element31on the bottom surface of the beam20. The plurality of first fixing elements345can be screws, and the number of the plurality of first fixing elements345may be four or five. By means of the first fixing elements345, it is easy to assemble the connection element31with the beam20. The first connection plate311is applied and fixed on the bottom surface of the beam20, a contact area of the first connection plate311and the beam is large, such that a stably of the adjustable height balance beam10can be improved.

The adjustable element33includes a second connection plate331and two second side plates332facing each other and respectively connected substantially perpendicular to the second connection plate331, each second side plate332includes the second pivot hole, the two second side plates332of the first ends330aare located between the two first side plates312and each second side plate332abuts a corresponding one the first side plates312to increase support stability of the support element32. The first shaft341passes through the first pivot holes of the two first side plates312and the two second pivot holes of the two second side plates332so as to pivotably connect the connection element31and the first end330a.

In the embodiment, the first shaft341is a first screw having a first head3411and a first shaft portion3412connected with the first head3411, a first nut3413is fixed on an end of the first shaft portion3412far away from the first head3411.

The support element32includes a third connection plate321and two third side plates322facing each other and respectively connected substantially perpendicular to the third connection plate321, each third side plate322includes a third pivot hole, a second shaft342passes through the third pivot holes of the two third side plates322and fourth pivot holes of the first side plates312of the connection element31so as to pivotably connect the connection element31and the support element32, the plurality of fixing portions320are a plurality of notches320alocated on an edge of the two third side plates322far away from the third connection plate321. The two third side plates322are located between the two first side plates312in the support state. Each third side plate322abuts a corresponding one the first side plates312to increase support stability of the support element32.

The adjustable element33includes a fixing shaft333passing through the two third side plates322, the fixing shaft333is configured to be fixed in the different notches320aso as to detachably connect to the support element32, and an end surface of each of two second side plates at the second end of the adjustable element are arc-shaped and abuts the third connection plate321. The two second side plates332are located between the two third side plates322in the support state. Each second side plate332abuts a corresponding one the third side plates322to increase support stability of the support element32.

The second shaft342is a second screw having a second head and a second shaft portion connected with the second head, a second nut3423is fixed on an end of the second shaft portion far away from the second head.

Two locking members343are disposed at two opposite ends of the fixing shaft333and sandwich the two third side plates322; an outer surface of the fixing shaft333has outer threads, and the two locking members343includes inner threads cooperating with the outer threads so as to fix the second end330bof the adjustable element and the support element32.

The plurality of notches320aincludes a first notch3201adjacent to the beam20, a second notch3202far away from the first notch3201and a plurality of third notches3203located between the first notch3201and the second notch3202. The first notch3201, the second notch3202and the plurality of third notches3203are strip-shaped, an extending direction of the first notch3201and an extending direction of the second notch3202are vertical relative to the extending direction D1of the support element32, the plurality of third notches3203each have a same extending direction that is inclined relative to the extending direction D1of the support element32.

Each of the first supporter30aand the second supporter30bfurther includes a support shaft35connected with an end of the support element32far away from the beam20in a supporting state, an extending direction D2of the support shaft35is vertical to an extending direction D3of the beam20.

The support element32further includes a connection portion323substantially perpendicular with the third connection plate321and two third side plates322, the connection portion323includes at least one second fixing hole, at least one second fixing element346passes through the at least one second fixing hole and inserts into the support shaft35.

Each third side plate322includes a bottom end surface3221, the bottom end surface3221is arc-shaped and abuts an outer surface of the support shaft35to increase stability of the support element32.

The support shaft35includes a first portion351, a second portion352, and a middle portion353connected between the first portion351and the second portion352, the end the support element32far away from the beam20in the supporting state is connected with the middle portion353. The first portion351, the second portion352, and the middle portion353are cylindrical shaped and a diameter of the first portion351is equal to a diameter of the second portion352and greater than a diameter of the middle portion353.

Each of an outer surface of the first portion351and an outer surface of the second portion352has a plurality of stripe projections353, an extending direction of the stripe projection353is a same as the extending direction D2of the support shaft35, and the plurality of stripe projections353are arranged around the extending direction D2of the support shaft35.

Each of the first supporter30aand the second supporter30bfurther includes a strengthening element36, the strengthening element36includes a fourth connection plate361facing with the third connection plate321and two fourth side plates362facing each other and respectively connected substantially perpendicular with the fourth connection plate361, and the two third side plates322are located between the two fourth side plates362and abut against the two fourth side plates362. By means of the strengthening element36, the support stability of the support element32can be increased.

When the adjustable height balance beam10is in the folding state, the fixing shaft333is located at the second notch3202, the support element32with the adjustable element33can rotate about the connection element31so as to locate between the two first side plates, and the current height of the adjustable height balance beam10includes the height of the beam20and a height of the connection element31. The height of the beam20is about 5 cm, the height of the connection element31is about 1 cm, such that, the current height of the adjustable height balance beam10can be about 6 cm. Furthermore, when the adjustable height balance beam10is in support state, the fixing shaft333can be located at one of the third notches3203and the first notch3201, such that the height of the adjustable height balance beam10can be adjusted to 30 cm, 35 cm, 40 cm or 50 cm.

Referring toFIG.5˜FIG.6, the present disclosure further includes a second embodiment. The adjustable height balance beam10of the second embodiment is basically same with the telescopic bendable support structure of the first embodiment. That is, the description of the telescopic bendable support structure of the first embodiment is basically applicable to the seventh embodiment. The following will combine withFIG.5˜FIG.6to illustrate differences between the adjustable height balance beam10of the second embodiment and the adjustable height balance beam10of the first embodiment.

In the second embodiment, the fixing portions320are a plurality of third fixing holes320b, the adjustable element33includes first and second gaskets334respectively welded onto the two second side plates332, and first and second fixing shafts333respectively pass through the first and second gaskets334and the two third side plates322and are fixed at different third fixing holes320b. In doing so, the first and second fixing shafts333detachably connect the adjustable element33to the support element32to selectively adjust a height of the beam10.

Referring toFIG.7, the support shaft35may include a main body351and a deslicking material layer352located at an outer surface of the main body351.

The above description only describes embodiments of the present disclosure, and is not intended to limit the present disclosure, various modifications and changes can be made to the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present disclosure are intended to be included within the scope of the present disclosure.