CN212046753U - Single-wheel-hub motor rear suspension assembly of kart - Google Patents

Single-wheel-hub motor rear suspension assembly of kart Download PDF

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Publication number
CN212046753U
CN212046753U CN202020049036.XU CN202020049036U CN212046753U CN 212046753 U CN212046753 U CN 212046753U CN 202020049036 U CN202020049036 U CN 202020049036U CN 212046753 U CN212046753 U CN 212046753U
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China
Prior art keywords
swing arm
hub motor
stabilizing
fixed
wheel hub
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CN202020049036.XU
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Chinese (zh)
Inventor
马芳武
周煊
陆明雄
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Zhejiang Zhilai Technology Co ltd
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Zhejiang Zhilai Technology Co ltd
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Abstract

The utility model discloses a kart's single wheel hub motor rear overhang assembly, including the in-wheel motor, the both sides of in-wheel motor all are provided with horizontal swing arm, and the tip and the frame pin joint of swing arm are provided with stabilizing beam between two swing arms, and on stabilizing beam welded fastening was in two swing arms, stabilizing beam's both ends extended to the swing arm outside, stabilizing beam's both ends were provided with the bumper shock absorber, the both ends of bumper shock absorber respectively with stabilizing beam and frame pin joint, the utility model discloses add the shock attenuation at the rear wheel of tricycle kart and hang, improve the travelling comfort, occupation space is little.

Description

Single-wheel-hub motor rear suspension assembly of kart
Technical Field
The utility model belongs to tricycle kart field, more specifically the single wheel hub motor rear overhang assembly that says so relates to a kart.
Background
The kart has a very simple structure and comprises a steel pipe type frame, a steering system pedal, an oil tank, a transmission chain shield, a driver seat, an anti-collision bumper and the like.
For example, the chinese patent with application number 2018103938708 discloses a carting car capable of being quickly disassembled and assembled, which comprises a bottom plate assembly, and a pedal assembly, a front wheel assembly, a rear wheel assembly, a steering assembly and a motor assembly which are detachably fixed with the bottom plate assembly; under the state that kart equipment was accomplished, turn to the assembly and can control the front wheel assembly and change the front wheel direction, motor assembly and rear wheel assembly cooperation drive the rear wheel and rotate, the footboard assembly include with the motor cooperation control power output's accelerator pedal to and provide the brake pedal of damping effect with the rear wheel assembly cooperation, the rear wheel assembly is single round assembly or double round assembly. The kart capable of being quickly disassembled and assembled has the advantages that: all structures are all through bottom plate fixed connection, easy dismounting, and the user of being convenient for oneself operates, and convenient free switch tricycle mode and four-wheel mode, effectual exercise user's hands-on ability, and can directly drive, have increased the interest.
However, the kart has narrow space for three wheels or four wheels, the wheels are directly connected with the frame, and the kart is not provided with a damping suspension system, so that the kart is relatively poor in comfort during non-racing entertainment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an add the shock attenuation at the rear wheel of tricycle kart and hang, improve the travelling comfort, occupation space is little.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a single wheel hub motor rear overhang assembly of kart, includes wheel hub motor, and wheel hub motor's both sides all are provided with horizontal swing arm, and the tip and the frame pin joint of swing arm are provided with stabilizing beam between two swing arms, and on stabilizing beam welded fastening in two swing arms, stabilizing beam's both ends extended to the swing arm outside, stabilizing beam's both ends were provided with the bumper shock absorber, the both ends of bumper shock absorber respectively with stabilizing beam and frame pin joint.
And a rotary ball head is arranged at one end of the swing arm connected with the frame, and the swing arm is connected with the frame through the rotary ball head.
And a vertical upright post is welded and fixed between the stabilizing cross beam and the swing arm.
Further the swing arm corresponds wheel hub motor department and is provided with motor shaft fixed establishment, and motor shaft fixed establishment includes swing arm connecting piece, fixed plate and lockplate, swing arm connecting piece and fixed plate fixed connection, swing arm connecting piece and swing arm tip fixed connection, be provided with the open slot that extends to outside on the fixed plate, lockplate corresponds open slot department and is provided with the polygon locking groove, wheel hub motor's main shaft is the polygon prism form, and wheel hub motor's main shaft passes open slot and locking groove in proper order, it is fixed through bolt and nut between lockplate and the fixed plate.
Further, a strip-shaped groove is formed in the locking plate, a through hole is formed in the fixing plate, and the bolt penetrates through the through hole and the strip-shaped groove to fix the locking plate and the fixing plate.
Further the connecting piece is annular, and the connecting piece welded fastening is on the swing arm, is provided with a plurality of strengthening ribs between connecting piece and the fixed plate.
Further be provided with the brake disc on the in-wheel motor, be provided with the calliper mounting panel on the motor shaft fixed establishment, the calliper mounting panel is provided with brake caliper on being fixed in the fixed plate on the calliper mounting panel.
Compared with the prior art, the beneficial effects of the utility model are that: the rear wheel adopts the single wheel, in-wheel motor drive, whole rear overhang compact structure, occupation space is little, when meetting the road surface and not leveling enough, the bumper shock absorber can reach certain cushioning effect, the design through swing arm and bumper shock absorber is compared and is located the position of vehicle train chain link goat's horn and can reduce occupation space greatly in general vehicle design bumper shock absorber, the height of the connection crossbeam of the frame position that arouses on the goat's horn has been arranged because of the bumper shock absorber to the reduction, indirect central point that has reduced whole frame puts, it is safer to make the vehicle travel.
Drawings
FIG. 1 is a three-dimensional frame structure of a three-wheeled carting car;
FIG. 2 is a three-dimensional structure view of the rear suspension assembly of the single hub motor of the present invention;
FIG. 3 is a three-dimensional structure diagram of the swing arm and the shock absorber of the present invention;
FIG. 4 is a three-dimensional structure diagram of the fixing mechanism of the motor shaft of the present invention;
fig. 5 is a side view of the rear suspension assembly of the single-hub motor of the present invention.
Reference numerals: 1. a frame; 11. a rear suspension rotating center frame; 12. a rear suspension main support beam; 2. a hub motor; 22. a main shaft; 3. swinging arms; 31. rotating the ball head; 4. a brake disc; 5. a shock absorber; 51. stabilizing the cross beam; 52. a vertical column; 6. a motor shaft fixing mechanism; 61. a swing arm connecting piece; 62. a fixing plate; 621. a through hole; 622. an open slot; 63. a locking plate; 631. a strip-shaped groove; 632. a locking groove; 64. and (5) reinforcing ribs.
Detailed Description
The embodiment of the rear suspension assembly of the single-hub motor of the present invention is further described with reference to fig. 1 to 5.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The utility model provides a single wheel hub motor rear overhang assembly of kart, includes wheel hub motor 2, and wheel hub motor 2's both sides all are provided with horizontal swing arm 3, and the tip and the 1 pin joint of frame of swing arm 3 are provided with stabilizing beam 51 between two swing arms 3, and stabilizing beam 51 welded fastening is on two swing arms 3, and stabilizing beam 51's both ends extend to the 3 outsides of swing arm, stabilizing beam 51's both ends are provided with bumper shock absorber 5, and the both ends of bumper shock absorber 5 respectively with stabilizing beam 51 and the 1 pin joint of frame.
In the preferred embodiment, a vertical column 52 is welded and fixed between the stabilizing cross beam 51 and the swing arm 3.
As shown in fig. 1, the utility model discloses a be used for installing on the frame 1 of tricycle carting car, have the rear overhang frame of installation rear wheel at the afterbody of frame 1, it specifically includes the rear overhang main tributary supporting beam 12 that is used for supporting 5 tops of bumper shock absorbers, and the top and the rear overhang main tributary supporting beam 12 pin joint of bumper shock absorbers 5 still include the rear overhang rotation center frame 11 that is used for connecting 3 tip of swing arm, and the pivot of swing arm 3 is on rear overhang rotation center frame 11, and rear overhang rotation center frame 11 is located being close to the intermediate position of whole frame 1.
When the kart motion, the impact force on ground is absorbed by wheel hub motor 2's tire and is transmitted to swing arm 3 on, swing arm 3 will vibrate and transmit for bumper shock absorber 5 through stabilizing beam 51 and vertical column 52, bumper shock absorber 5 links to each other with frame 1, the influence of ground vibration to whole automobile body stability has been reduced, stabilizing beam 51 links into an organic whole with two swing arms 3, two bumper shock absorbers 5 symmetrical arrangement for two swing arms 3 keep synchronous motion all the time, can avoid wheel hub motor 2 to incline promptly.
The preferred one end that swing arm 3 and frame 1 are connected of this embodiment is provided with rotatory bulb 31, and swing arm 3 is connected with frame 1 through rotatory bulb 31, and rotatory bulb 31 can make to have certain side direction activity possibility between swing arm 3 and the frame 1, and swing arm 3 is made for the metal, and it has small deformation when using, can avoid dying with frame 1 card.
This implementation is preferred swing arm 3 corresponds 2 departments of in-wheel motor and is provided with motor shaft fixed establishment 6, and motor shaft fixed establishment 6 includes swing arm connecting piece 61, fixed plate 62 and lockplate 63, swing arm connecting piece 61 and fixed plate 62 fixed connection, swing arm connecting piece 61 and 3 tip fixed connection of swing arm, be provided with the open slot 622 that extends to the outside on the fixed plate 62, lockplate 63 corresponds open slot 622 department and is provided with polygon 632 locking groove, in-wheel motor 2's main shaft 22 is the polygon prism form, and in-wheel motor 2's main shaft 22 passes open slot 622 and 632 locking groove in proper order, it is fixed through bolt and nut between lockplate 63 and the fixed plate 62.
As shown in fig. 4, the opening slot 622 in this embodiment is transversely opened, when the spindle 22 of the hub motor 2 passes through the opening slot 622 and then passes through the locking slot 632, the locking plate 63 is fixed on the fixing plate 62 by bolts and nuts, at this time, the locking plate 63 and the fixing plate 62 are integrated, so that the hub motor 2 can be prevented from being pulled out, meanwhile, the locking slot 632 is matched with the spindle 22 of the hub motor 2, so that the spindle 22 can be prevented from rotating arbitrarily, in practice, the end of the spindle 22 of the hub motor 2 can be provided with threads to lock the spindle 22 on the locking plate 63, and the hub motor 2 is fixed in the axial direction.
The preferred shape groove 631 of having seted up on the lockplate 63 of this embodiment, shape groove 631 transversely extends, the through-hole 621 has been seted up on the fixed plate 62, the bolt passes through-hole 621 and the fixed locking plate 63 of shape groove 631 and fixed plate 62, shape groove 631 can be used to adjust lockplate 63 and fixed plate 62 in the position on transversely, according to in-wheel motor 2 in the position on transversely, it passes the position difference of open slot 622, corresponding lockplate 63 will be along lateral shifting then, the setting of shape groove 631 can guarantee that the bolt all can pass through-hole 621 and shape groove 631 and fix locking plate 63 and fixed plate 62.
The preferred said connecting piece of this embodiment is annular, and the connecting piece welded fastening is on swing arm 3, is provided with a plurality of strengthening ribs 64 between connecting piece and fixed plate 62, and strengthening rib 64 increases the joint strength of swing arm connecting piece 61 and fixed plate 62, as shown in fig. 4, has strengthening rib 64 at least at the top and bottom of fixed plate 62.
This embodiment is preferred be provided with brake disc 4 on the in-wheel motor 2, be provided with the calliper mounting panel on the motor shaft fixed establishment 6, on the calliper mounting panel was fixed in fixed plate 62, be provided with brake caliper on the calliper mounting panel.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a single wheel hub motor rear overhang assembly of kart which characterized in that: including wheel hub motor, wheel hub motor's both sides all are provided with horizontal swing arm, and the tip and the frame pin joint of swing arm are provided with stabilizing beam between two swing arms, and on stabilizing beam welded fastening was in two swing arms, stabilizing beam's both ends extended to the swing arm outside, stabilizing beam's both ends were provided with the bumper shock absorber, the both ends of bumper shock absorber respectively with stabilizing beam and frame pin joint.
2. The carting car single-hub motor rear suspension assembly of claim 1, wherein: one end of the swing arm connected with the frame is provided with a rotary ball head, and the swing arm is connected with the frame through the rotary ball head.
3. The carting car single-hub motor rear suspension assembly of claim 1, wherein: and a vertical upright post is welded and fixed between the stabilizing cross beam and the swing arm.
4. The carting car single-hub motor rear suspension assembly of claim 1, wherein: the swing arm corresponds wheel hub motor department and is provided with motor shaft fixed establishment, and motor shaft fixed establishment includes swing arm connecting piece, fixed plate and lockplate, swing arm connecting piece and fixed plate fixed connection, swing arm connecting piece and swing arm tip fixed connection, be provided with the open slot that extends to outside on the fixed plate, the lockplate corresponds open slot department and is provided with the polygon locking groove, wheel hub motor's main shaft is the polygon prism form, and wheel hub motor's main shaft passes open slot and locking groove in proper order, it is fixed through bolt and nut between lockplate and the fixed plate.
5. The carting car single-hub motor rear suspension assembly of claim 4, wherein: a strip-shaped groove is formed in the locking plate, a through hole is formed in the fixing plate, and the bolt penetrates through the through hole and the strip-shaped groove to fix the locking plate and the fixing plate.
6. The carting car single-hub motor rear suspension assembly of claim 4, wherein: the connecting piece is annular, and the connecting piece welded fastening is provided with a plurality of strengthening ribs between connecting piece and the fixed plate on the swing arm.
7. The carting car rear suspension assembly of one wheel hub motor according to any one of claims 4 to 6, characterized in that: the wheel hub motor is provided with a brake disc, the motor shaft fixing mechanism is provided with a caliper mounting plate, the caliper mounting plate is fixed on the fixing plate, and the caliper mounting plate is provided with brake calipers.
CN202020049036.XU 2020-01-10 2020-01-10 Single-wheel-hub motor rear suspension assembly of kart Active CN212046753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020049036.XU CN212046753U (en) 2020-01-10 2020-01-10 Single-wheel-hub motor rear suspension assembly of kart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020049036.XU CN212046753U (en) 2020-01-10 2020-01-10 Single-wheel-hub motor rear suspension assembly of kart

Publications (1)

Publication Number Publication Date
CN212046753U true CN212046753U (en) 2020-12-01

Family

ID=73536880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020049036.XU Active CN212046753U (en) 2020-01-10 2020-01-10 Single-wheel-hub motor rear suspension assembly of kart

Country Status (1)

Country Link
CN (1) CN212046753U (en)

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