A SWINGARM FOR A LOCOMOTORY DEVICE

Abstract

A swingarm (102) for a locomotory device, is disclosed. Said swingarm (102) broadly comprises: a horizontal member (102.4); a first mounting member (102.1); a second mounting member (102.2); a third mounting member (102.3); and an axel holder (102.5). The disclosed swingarm for a locomotory device offers at least the following advantages: is lightweight; is cost effective to manufacture; enhances accessibility for maintenance and repair; enabling easy removal of the at least one real wheel; provides better aesthetics; and/or does not affect the performance.

Specification

Description:TITLE OF THE INVENTION: A SWINGRAM FOR A LOCOMOTORY DEVICE
FIELD OF THE INVENTION
The present disclosure is generally related to locomotory device. Particularly, the present disclosure is related to a swingarm for a locomotory device.
BACKGROUND OF THE INVENTION
Swingarms are pivotal parts of a rear suspension system in a locomotory device. Conventional swingarm contains a pair of parallel arms that are supported on a rear wheel of the locomotory device. Said configuration suffer from at least the following drawbacks: adding excess weight and complexity to the locomotory device; hinders accessibility for maintenance and repair; involves high manufacturing cost; and/or affecting the performance.
There is, therefore, a need in the art, for: a swingarm for a locomotory device, which overcomes the aforementioned drawbacks and shortcomings.
SUMMARY OF THE INVENTION
A swingarm for a locomotory device, is disclosed. Said swingarm broadly comprises: a horizontal member; a first mounting member; a second mounting member; a third mounting member; and an axel holder.
The horizontal member enables in keeping an at least a rear wheel aligned with an at least a front wheel and a frame of the locomotory device.
The first mounting member is associated with a rear end of the horizontal member. Said first mounting member broadly comprises: a central mounting point and a plurality of fastening slits.
The first mounting member enables mounting of the swingarm on a hub of the at least one rear wheel, at its left, through an at least a shaft.
The second mounting member is associated with a front end of the horizontal member. Said second mounting member broadly comprises: a base; and a pair of sides. A first end of each side among the pair of sides is associated with the base, and a second end of each side among the pair of side is provided with a mounting point.
The second mounting member enables mounting of the swingarm on the frame with the help of the mounting point on each side among the pair of sides.
The third mounting member is positioned on the base of the second mounting member perpendicular to the horizontal member, and in the downward direction. Said third mounting member enables mounting of a damping member.
In an embodiment, the damping member is a mono damping member.
The axel holder is mounted on the central mounting point of the first mounting member, and secured by a first plurality of fasteners that are mounted through the plurality of fastening slits.
In an embodiment, the at least one shaft is an axle shaft.
In an embodiment, the swingarm is made of aluminium alloy.
In an embodiment, the weight of the swingarm is about 6.5 kgs.
The disclosed swingarm for a locomotory device offers at least the following advantages: is lightweight; is cost effective to manufacture; enhances accessibility for maintenance and repair; enabling easy removal of the at least one real wheel; provides better aesthetics; and/or does not affect the performance.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 illustrates an exploded view of a swingarm for a locomotory device along with an at least a rear wheel, in accordance with an embodiment of the present disclosure;
Figure 1a illustrates an exploded view of a swingarm for a locomotory device, in accordance with an embodiment of the present disclosure;
Figure 2 illustrates a right-side view of a swingarm for a locomotory device, in accordance with an embodiment of the present disclosure;
Figure 2a illustrates a left-side view of a swingarm for a locomotory device, in accordance with an embodiment of the present disclosure;
Figure 3 illustrates a left-side view of a swingarm for a locomotory device mounted on an at least a rear wheel, in accordance with an embodiment of the present disclosure;
Figure 3a illustrates a right-side view of a swingarm for a locomotory device mounted on an at least a rear wheel, in accordance with an embodiment of the present disclosure;
Figure 4 illustrate a locomotory device mounted with a swingarm, in accordance with an embodiment of the present disclosure; and
Figure 5, Figure 6, and Figure 7 illustrates outcome of deformation test, displacement test, and maximum principal stress test, respectively, conducted on a swingarm for a locomotory device.
DETAILED DESCRIPTION OF THE INVENTION
Throughout this specification, the use of the words "comprise" and "include", and variations, such as "comprises", "comprising", "includes", and "including", may imply the inclusion of an element (or elements) not specifically recited. Further, the disclosed embodiments may be embodied, in various other forms, as well.
Throughout this specification, where applicable, the use of the phrase "at least" is to be construed in association with the suffix "one" i.e. it is to be read along with the suffix "one", as "at least one", which is used in the meaning of "one or more". A person skilled in the art will appreciate the fact that the phrase "at least one" is a standard term that is used, in Patent Specifications, to denote any component of a disclosure, which may be present (or disposed) in a single quantity, or more than a single quantity.
Throughout this specification, the use of the word "plurality" is to be construed as being inclusive of: "at least one".
Throughout this specification, where applicable, the use of the phrase "at least one" is to be construed in association with a succeeding component name.
Throughout this specification, the phrases "at least a", "at least an", and "at least one" are used interchangeably.
Throughout this specification, the disclosure of a range is to be construed as being inclusive of: the lower limit of the range; and the upper limit of the range.
Throughout this specification, the words "the" and "said" are used interchangeably.
Throughout this specification, the use of the phrase "locomotory device", and its variations, is to be construed as: "electric vehicles; battery powered vehicles; and/or the like" For example, the electric vehicle is two wheeled vehicles.
Throughout this specification, the use of the words "left" and "right" is to be construed as: "a rider's left-hand side" and "a rider's right-hand side", respectively.
Throughout this specification, the use of the words "front" and "rear" is to be construed as: "front side of a locomotory device" and "rear side of a locomotory device", respectively.
Throughout this specification, the word "rider" and its variations, is to be construed as: "an individual who rides a locomotory device".
Throughout this specification, the use of the phrase "a swingarm for a locomotory device" and its variations, is to be construed as: "a single sided swingarm for a locomotory device".
Also, it is to be noted that embodiments may be described as a method. Although the operations, in a method, are described as a sequential process, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of the operations may be re-arranged. A method may be terminated, when its operations are completed, but may also have additional steps.
A swingarm (102) for a locomotory device, is disclosed. As illustrated in Figure 1 and Figure 1a, in an embodiment of the present disclosure, said swingarm (102) broadly comprises: a horizontal member (102.4; for example; an arm); a first mounting member (102.1); a second mounting member (102.2); a third mounting member (102.3); and an axel holder (102.5).
The horizontal member (102.4) enabling the locomotory device to pivot vertically. Said horizontal member (102.4) further enables in keeping an at least a rear wheel (101) aligned with an at least a front wheel (110) and a frame, which is important for stability and handling, as illustrated in Figure 4.
The first mounting member (102.1) is associated with (or positioned on) a rear end of the horizontal member (102.4).
In another embodiment of the present disclosure, said first mounting member (102.1) is configured circularly. Said first mounting member (102.1) broadly comprises: a central mounting point (102.1a) and a plurality of fastening slits (102.1b).
The second mounting member (102.2) is associated with (or positioned on) a front end of the horizontal member (102.4).
In yet another embodiment of the present disclosure, the second mounting member (102.2) is configured in 'U' shape (or horseshoe shape). Said second mounting member (102.2) broadly comprises: a base; and a pair of sides. A first end of each side among the pair of sides is associated with the base, and a second end of each side among the pair of side is provided with a mounting point (102.2a).
As illustrated in Figure 2 and Figure 2a, the third mounting member (102.3) is positioned (or disposed) on the base of the second mounting member (102.2) perpendicular to the horizontal member (102.4), and in the downward direction.
The axel holder (102.5) is mounted (or positioned, or installed, or disposed) on the central mounting point (102.1a) of the first mounting member (102.1), and secured by a first plurality of fasteners (103.1) that are mounted (or installed) through the plurality of fastening slits (102.1b).
In yet another embodiment of the present disclosure, as illustrated in Figure 1 and Figure 3, said at least one rear wheel (101) broadly comprises: an at least an impulse generating member (104; for example; a motor); an at least a rim (105); an at least a tyre (106); and an at least a rotating member (109; for example, disc plate).
In yet another embodiment of the present disclosure, as illustrated in Figure 3 and Figure 3a, said at least one rim (105) is disposed over said at least one tyre (106). The at least one rotating member (109) and the at least one impulse generating member (104) are disposed (or mounted, or installed) on a hub of the at least one rear wheel (101) at its left and right, respectively.
In yet another embodiment of the present disclosure, said at least one impulse generating member (104) is a BDLC (brushless DC) resolver motor.
Said at least one rotating member (109) facilitates to provide a surface for a brake pad to create friction, thereby enabling effective braking.
In yet another embodiment of the present disclosure, the swingarm (102) is made of aluminium alloy, such as aluminium 6061-T6.
In yet another embodiment of the present disclosure, the weight of the swingarm (102) is about 6.5 kgs.
Said swingarm (102) is disposed (or positioned, or mounted, or installed) on the at least one rear wheel (101) and the locomotory device, as illustrated in Figure 3, Figure 3a, and Figure 4.
The rear end of the swingarm (102) is mounted (or disposed, or installed) on the hub of the at least one rear wheel (101), at its left, after the at least one rotating member (109), through an at least a shaft (103), and secured at the right of the at least one rear wheel (101) by an at least a lock bush (107) and a second plurality of fasteners (108).
In yet another embodiment of the present disclosure, said second plurality of fasteners (108) are axle lock nuts.
Said at least one shaft (103) is rotatably associated (or coupled) with the axel holder (102.5) through a rotation enabling member (for example, a bearing), thereby enables maintaining the stability and alignment during operation of the locomotory device.
In yet another embodiment of the present disclosure, said at least one shaft (103) is an axle shaft.
The front end of the swingarm (102) is mounted (or disposed, or installed) on the frame of the locomotory device through the second mounting member (102.2) with the mounting point (102.2a) on each side among the pair of sides.
The third mounting member (102.3) enables mounting (or disposing, of installing) of a damping member (for example, shock absorber). The damping member is preferably a mono damping member.
In yet another embodiment of the present disclosure, the length, width, and height of the swingarm (102) are about 588 mm, about 269 mm, and about 220 mm, respectively.
Though the mounting (or installing) of the swingarm (102) is illustrated with the help of the locomotory device with in-wheel motor, a person skilled in the art will appreciate the fact that the disclosed swingarm (102) is also suitable for other type/configuration of the locomotory devices as well.
Various tests, such as deformation test, displacement test, maximum principal stress test, and/or the like have been conducted to study the performance of the disclosed swingarm (102), and the outcome of the tests are illustrated in Figure 5, Figure 6, and Figure 7.
From the tests, it was inferred that the maximum displacement of the disclosed swingarm (102) is about 0.19197 mm, which is well below the allowable threshold value of about 2.08 mm, and the maximum principal stress of the disclosed swingarm (102) is about 93,974.1Pa, which is significantly lower than the yield strength, about 275 MPa, of the material of construction of the swingarm (102). From the above results, it is evident that the configuration of the disclosed swingarm (102) is validated as robust enough for the intended application.
The disclosed swingarm (102) for a locomotory device offers at least the following advantages: is lightweight; is cost effective to manufacture; enhances accessibility for maintenance and repair; enabling easy removal of the at least one real wheel; provides better aesthetics; and/or does not affect the performance.
It will be apparent to a person skilled in the art that the above description is for illustrative purposes only and should not be considered as limiting. Various modifications, additions, alterations and improvements without deviating from the spirit and the scope of the disclosure may be made by a person skilled in the art. Such modifications, additions, alterations and improvements should be construed as being within the scope of this disclosure.
LIST OF REFERENCE NUMERALS
101 - At Least One Rear Wheel
102 - Swingarm
102.1 - First Mounting Member
102.1a - Central Mounting Point
102.1b - Plurality of Fastening Slits
102.2 - Second Mounting Member
102.2a - Mounting Point
102.3 - Third Mounting Member
102.4 - Horizontal Member
102.5 - Axel Holder
103 - At Least One Shaft
103.1 - First Plurality of fasteners
104 - At Least One Impulse Generating Member
105 - At Least One Rim
106 - At Least One Tyre
107 - At Least One Lock Bush
108 - Second Plurality of fasteners
109 - At Least One Rotating Member
110 - At Least One Front Wheel
, Claims:A swingarm (102) for a locomotory device, comprising:
a horizontal member (102.4) that enabling in keeping an at least a rear wheel (101) aligned with an at least a front wheel (110) and a frame;
a first mounting member (102.1) that is associated with a rear end of the horizontal member (102.4), said first mounting member (102.1) comprising: a central mounting point (102.1a) and a plurality of fastening slits (102.1b), with:
said first mounting member (102.1) enabling mounting of the swingarm (102) on the left of the at least one rear wheel (101) through an at least a shaft (103);
a second mounting member (102.2) that is associated with a front end of the horizontal member (102.4), said second mounting member (102.2) comprising: a base; and a pair of sides, with:
a first end of each side among the pair of sides is associated with the base, and a second end of each side among the pair of side is provided with a mounting point (102.2a); and
said second mounting member (102.2) enabling mounting of the swingarm (102) on the frame;
a third mounting member (102.3) that is positioned on the base of the second mounting member (102.2) perpendicular to the horizontal member (102.4), and in the downward direction, said third mounting member (102.3) enabling mounting of a damping member; and
an axel holder (102.5) that is mounted on the central mounting point (102.1a) of the first mounting member (102.1), and secured by a first plurality of fasteners (103.1) that are mounted through the plurality of fastening slits (102.1b).
2. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the first mounting member (102.1) is configured circularly.
3. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the second mounting member (102.2) is configured in 'U' shape.
4. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the swingarm (102) is made of aluminium alloy.
5. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the weight of the swingarm (102) is 6.5 kgs.
6. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the at least one shaft (103) is an axle shaft.
7. The swingarm (102) for a locomotory device as claimed in claim 1, wherein: the damping member is a mono damping member.

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