Electrically-assisted skateboard

Abstract

The utility model provides an electric power-assisted skateboard used for a handcart, the handcart comprises a support frame arranged at the rear end of the handcart, the electric power-assisted skateboard is characterized in that the electric power-assisted skateboard comprises a board body, pulleys, a driving device and a connecting device, the driving device is installed on the board body, the pulleys are connected with the driving device, and the connecting device is connected with the board body. The driving device is suitable for driving the pulleys to rotate so as to drive the electrically-assisted sliding plate to move, and the connecting device is connected with the supporting frame so that the electrically-assisted sliding plate can push the trolley to move forwards. According to the electrically-assisted sliding plate, the connecting device is arranged at the front end of the plate body and can be connected with the supporting frame of the trolley, so that the trolley is pushed to move through the electrically-assisted sliding plate, in the running process of the electrically-assisted sliding plate, the feet of a user can tread on the plate body, physical strength can be saved, and the experience feeling of the user is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of stroller technology, and particularly relates to an electric-assisted sliding board. BACKGROUND

[0002] Baby strollers have been accepted by more and more families, and are usually taken out when going for a walk, so that the baby can sit on the stroller to reduce the burden of the caregiver.

[0003] The existing baby stroller comprises a frame, a front wheel assembly arranged below the front side of the frame, and a rear wheel assembly arranged below the rear side of the frame. When the baby stroller is pushed, the front pushing force of the pusher on the handle of the frame is mainly relied on to cooperate with the rotation of the wheels of the front and rear wheel assemblies to realize walking on the ground, but it is more laborious to push for a long time or in a poor road condition. TECHNICAL CONTENT

[0004] The utility model provides a kind of electric-assisted sliding board to solve the technical problem of the baby stroller in prior art more laborious.

[0005] To achieve the above object, the electric-assisted sliding board for handcart is provided, the handcart includes a support frame arranged at the rear end thereof, and characterized in that the electric-assisted sliding board includes a board body, a pulley, a driving device and a connecting device, the driving device is installed on the board body, the pulley is connected with the driving device, the driving device is adapted to drive the pulley to rotate to drive the electric-assisted sliding board to move, and the connecting device is connected with the support frame to enable the electric-assisted sliding board to push the handcart to move forward.

[0006] Optionally, in an embodiment, the connecting device includes a fixed clamp, a first connecting piece, a bearing and a first fastener, the board body is provided with a first mounting hole, one end of the first connecting piece is connected with the fixed clamp, the other end of the first connecting piece passes through the first mounting hole and the center hole of the bearing in sequence and is connected with the first fastener to limit the board body between the fixed clamp and the bearing.

[0007] Optionally, in an embodiment, the first connecting piece is in the shape of a circular truncated cone, the first connecting piece has oppositely arranged large-diameter end and small-diameter end, the fixed clamp is provided with a first groove, the large-diameter end is provided with an axially extending second groove, the small-diameter end is fixedly installed in the first groove, and the first fastener is fixedly installed in the second groove.

[0008] Optionally, in an embodiment, the first groove and the second groove are both provided with internal threads, the small-diameter end and the first fastener are both provided with external threads to enable the small-diameter end to be threadedly connected with the fixed clamp and the first fastener to be threadedly connected with the large-diameter end.

[0009] Optionally, in an embodiment, the connecting device further comprises a second fastener, the outer periphery of the bearing is provided with an ear, the ear is provided with a through hole, the plate body is provided with a second mounting hole corresponding to the through hole, and the second fastener passes through the through hole and the second mounting hole in sequence to fixedly connect the plate body and the bearing.

[0010] Optionally, in an embodiment, the first connecting piece is installed in the center hole of the bearing in interference fit.

[0011] Optionally, in an embodiment, the fixing clamp comprises a first jaw, a second jaw, a handle and a pin shaft, the first jaw is hinged to the second jaw, and the handle is fixedly connected to the pin shaft; wherein the pin shaft is provided with a first threaded section and a second threaded section, the rotation direction of the first threaded section is opposite to that of the second threaded section, the first threaded section cooperates with the first jaw, the second threaded section cooperates with the second jaw, and the handle drives the pin shaft to rotate to make the first jaw and the second jaw approach or move away from each other.

[0012] Optionally, in an embodiment, the fixing clamp further comprises a first column and a second column, the first jaw is provided with a first arc-shaped slot for mounting the first column, and the second jaw is provided with a second arc-shaped slot for mounting the second column; wherein the first column, the second column, the first jaw and the second jaw are all provided with a plug hole for the pin shaft to pass through, the inner wall of the first column plug hole is threadedly connected to the first threaded section, and the inner wall of the second column plug hole is threadedly connected to the second threaded section.

[0013] Optionally, in an embodiment, one side of the first jaw facing the second jaw and one side of the second jaw facing the first jaw are both provided with a non-slip rubber pad.

[0014] Optionally, in an embodiment, the connecting device comprises a fixing clamp, a first connecting piece, a second connecting piece, a bearing and a first fastener, the plate body is provided with a first mounting hole, the second connecting piece is connected to the fixing clamp, one end of the first connecting piece is connected to the second connecting piece, the other end of the first connecting piece passes through the first mounting hole and the center hole of the bearing in sequence and is connected to the first fastener to limit the plate body between the fixing clamp and the bearing.

[0015] The electric-assisted scooter provided in the application can be connected to the support frame of the trolley through the connecting device arranged at the front end of the plate body, so that the trolley can be moved by the electric-assisted scooter, and the user's feet can be placed on the plate body during the running of the electric-assisted scooter, which is beneficial to save physical strength and increase the user's experience. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of an electrically assisted skateboard provided in an embodiment of this application;

[0018] Figure 2 A structural schematic diagram of the electrically assisted skateboard provided in this application from another angle;

[0019] Figure 3 This is a structural schematic diagram of the plate provided in this application;

[0020] Figure 4 A schematic diagram of the connecting device provided in this application;

[0021] Figure 5 A cross-sectional schematic diagram of the connecting device provided in this application;

[0022] Figure 6 A schematic diagram of the structure of the first connector provided in this application;

[0023] Figure 7 This is a schematic diagram of the bearing structure provided in this application;

[0024] Figure 8 This is a schematic diagram of the structure of the fixing clip provided in this application;

[0025] Figure 9 An exploded view of the fixing clip provided in this application;

[0026] Figure 10 This is a schematic diagram of the structure of an electrically assisted skateboard provided in another embodiment of this application;

[0027] Figure 11 This is a schematic diagram of the structure of a connecting device provided in another embodiment of this application;

[0028] Figure 12 This is a cross-sectional schematic diagram of a connecting device provided in another embodiment of this application;

[0029] Figure 13 A schematic diagram of the structure of the second connector provided in this application.

[0030] Explanation of icon numbers:

[0031] 10, plate body; 11, first mounting hole; 12, second mounting hole; 13, decorative plate; 20, pulley; 30, driving device; 40, connecting device;

[0032] 41, fixing clamp; 411, first jaw; 4111, first arc-shaped slot; 4112, insertion hole; 4113, non-slip rubber pad; 412, second jaw; 4121, first recess; 4122, second arc-shaped slot; 413, handle; 414, pin shaft; 414a, first threaded section; 414b, second threaded section; 415, clamping area; 416, hinge shaft; 417, first column; 418, second column; 419, spring; 42, first connecting piece; 421, large-diameter end; 422, small-diameter end; 423, second recess; 43, bearing; 431, central hole; 432, lug; 433, through hole; 44, first fastener; 45, second fastener; 46, second connecting piece; 461, third recess.

[0033] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0035] In the embodiments of the present application, as shown in Figure 1 and Figure 2 The electrically assisted scooter includes a plate body 10, a pulley 20, a driving device 30 and a connecting device 40. The pulley 20 is installed at the rear end of the plate body 10. The driving device 30 is fixed on the plate body 10 and connected with the pulley 20 to drive the pulley 20 to rotate, thereby driving the electrically assisted scooter to move. The connecting device 40 is arranged at the front end of the plate body 10. The connecting device 40 is used to connect the electrically assisted scooter with a transport device such as a baby carriage, thereby driving the transport device to move by the electrically assisted scooter. During the running of the electrically assisted scooter, the user's feet can be stepped on the plate body 10, which is beneficial to save the physical strength and increase the user's experience.

[0036] It can be understood that the existing baby carriage is mostly a stroller without a power system, and the user is more physically exhausted when pushing for a long time, especially when passing through uphill or uneven road. In the present embodiment, an electric assist skateboard is connected behind the transportation device such as a baby carriage, so that the user can stand on the electric assist skateboard and drive the electric assist skateboard forward through the driving device 30, thereby pushing the baby carriage and other strollers forward. It is very convenient to use, which is beneficial to save user's physical strength and reduce burden.

[0037] In some embodiments, referring to Figures 3-7 , the plate body 10 is provided with a first mounting hole 11, the connecting device 40 includes a fixed clamp 41, a first connecting piece 42, a bearing 43 and a first fastener 44, the first connecting piece 42 passes through the first mounting hole 11 and the center hole 431 of the bearing 43 in sequence; and the first connecting piece 42 has two oppositely arranged end portions, one of which is connected with the fixed clamp 41, and the other is connected with the first fastener 44, so as to limit the bearing 43 and the plate body 10 between the fixed clamp 41 and the first fastener 44. After the plate body 10 and the connecting device 40 are assembled, the bearing 43 is located on the lower side of the plate body 10, and the fixed clamp 41 is located on the upper side of the plate body 10, so as to facilitate the connection of the fixed clamp 41 with the transportation device such as a baby carriage.

[0038] Specifically, referring to Figures 4-6 , the first connecting piece 42 can be provided in a circular truncated cone shape, the first connecting piece 42 has a large-diameter end 421 and a small-diameter end 422 arranged oppositely, the small-diameter end 422 is provided with external threads, the fixed clamp 41 is provided with a first recess 4121, the first recess 4121 is provided with internal threads matched with the external threads of the small-diameter end 422, by installing the small-diameter end 422 in the first recess 4121, the first connecting piece 42 and the fixed clamp 41 can be fastened and connected through the cooperation of the external threads of the small-diameter end 422 and the internal threads in the first recess 4121; the large-diameter end 421 is provided with an axially extending second recess 423, the second recess 423 is provided with internal threads, and the first fastener 44 can be a bolt. When the first connecting piece 42 passes through the first mounting hole 11 and the center hole 431 of the bearing 43, the bearing 43 and the plate body 10 can be limited between the fixed clamp 41 and the first fastener 44 by cooperating the first fastener 44 with the internal threads in the second recess 423.

[0039] In some embodiments, referring to Figure 3 , Figure 4 and Figure 7In order to realize the fixation between the plate body 10 and the bearing 43 and improve the stability of the electrically assisted scooter, the connecting device 40 further comprises a second fastener 45. The outer periphery of the bearing 43 is provided with a plurality of spaced lugs 432, each of which is provided with a through hole 433. The plate body 10 is provided with a second mounting hole 12 corresponding to the through hole 433. The second fastener 45 is matched with the through hole 433 and the second mounting hole 12 respectively, so as to fixedly connect the plate body 10 and the bearing 43. Specifically, the second fastener 45 can include a nut and a bolt. After the nut passes through the second mounting hole 12 and the through hole 433 in sequence, the plate body 10 and the bearing 43 can be fixedly connected through the threaded connection of the nut and the bolt.

[0040] Further, referring to Figure 7 , the number of lugs 432 is two, and the two lugs 432 are symmetrically arranged on the bearing 43. Each lug 432 is provided with one through hole 433. The number of second mounting holes 12 and second fasteners 45 is both two, and the two second mounting holes 12 and the two through holes 433 are correspondingly arranged to connect the plate body 10 and the bearing 43 through the second fastener 45. In the embodiment, two lugs 432 are symmetrically arranged on the bearing 43, so that the force is evenly distributed, and the connection strength between the bearing 43 and the plate body 10 is further improved.

[0041] In some embodiments, referring to Figure 5 , the outer surface of the first connecting piece 42 abuts against the inner surface of the bearing 43. That is, the large diameter end 421 of the first connecting piece 42 can be installed in the center hole 431 of the bearing 43 in interference fit. In this way, not only can the axial displacement of the bearing 43 and the plate body 10 on the first connecting piece 42 be reduced, the stability of the electrically assisted scooter can be improved, but also the angle of the fixed clamp 41 can be changed through the rotation of the bearing 43, so that the fixed clamp 41 can be connected with various transportation devices, the universal performance of the connecting device 40 is improved, and the diversified needs are met.

[0042] Optionally, in an embodiment, referring to Figure 8 and Figure 9 , the fixed clamp 41 comprises a first jaw body 411, a second jaw body 412, a handle 413 and a pin shaft 414. The first jaw body 411 and the second jaw body 412 are hinged, and the handle 413 is fixedly connected with the pin shaft 414. The pin shaft 414 is provided with a first threaded section 414a and a second threaded section 414b. The rotation directions of the first threaded section 414a and the second threaded section 414b are opposite. The first threaded section 414a is matched with the first jaw body 411, and the second threaded section 414b is matched with the second jaw body 412. The handle 413 drives the pin shaft 414 to rotate to make the first jaw body 411 and the second jaw body 412 approach or move away from each other.

[0043] It can be understood that the first jaw body 411 and the second jaw body 412 enclose the clamping area 415, and the rear bottom of the trolley is usually provided with a support frame, which can be a trolley axle or a trolley frame, and the fixing clamp 41 is used for fixedly connected with the support frame. Specifically, one end of the first jaw body 411 and one end of the second jaw body 412 are connected through the hinge shaft 416, so that the first jaw body 411 and the second jaw body 412 can rotate relative to each other, and the other end of the first jaw body 411 and the other end of the second jaw body 412 are both arc-shaped structures, and the two arc-shaped structures are oppositely arranged to enclose the arc-shaped clamping area 415. By setting the clamping area 415 as arc-shaped, the connection between the fixing clamp 41 and the support frame of the trolley is more stable, and the electric-assisted skateboard is not easy to fall off when the trolley is moving forward, thereby improving the overall safety performance.

[0044] In some embodiments, referring to Figure 8 and Figure 9 , the fixing clamp 41 further comprises a first column 417 and a second column 418, the first jaw body 411 is provided with a first arc-shaped slot 4111 matched with the first column 417, and the first column 417 is fixed in the first arc-shaped slot 4111; the second jaw body 412 is provided with a second arc-shaped slot 4122 matched with the second column 418, and the second column 418 is fixed in the second arc-shaped slot 4122; wherein the first column 417, the second column 418, the first jaw body 411 and the second jaw body 412 are all provided with a insertion hole 4112 for the pin shaft 414 to pass through, and the insertion hole 4112 of the first column 417 and the insertion hole 4112 of the second column 418 are both provided with internal threads, the internal threads in the insertion hole 4112 of the first column 417 are threadedly connected with the first threaded segment 414a of the pin shaft 414, and the internal threads in the insertion hole 4112 of the second column 418 are threadedly connected with the second threaded segment 414b of the pin shaft 414.

[0045] Since the rotation directions of the first threaded segment 414a and the second threaded segment 414b are opposite, when the operating handle 413 rotates the pin shaft 414, the first column 417 and the second column 418 can be simultaneously close to or away from each other, and since the first column 417 is fixedly connected with the first jaw body 411 and the second column 418 is fixedly connected with the second jaw body 412, the first jaw body 411 and the second jaw body 412 can be close to or away from each other under the action of the first column 417 and the second column 418, thereby changing the size of the clamping area 415, so that the fixing clamp 41 can adapt to support frames of different sizes, improving the universal performance of the electric-assisted skateboard, and the use range is more extensive. In addition, since the size of the clamping area 415 is adjustable, the stability of the fixing clamp 41 can be ensured, and the risk of accidents can be reduced.

[0046] In some embodiments, referring to Figure 5 and Figure 9The spring 419 is connected between the handle 413 and the pin shaft 414, so that the opening and closing of the fixing clamp 41 is realized by the stretching and contraction of the spring 419. Specifically, when the handle 413 is tightened, the spring 419 is forced to contract, and the first jaw body 411 and the second jaw body 412 are closed; when the handle 413 is loosened, the spring 419 is stretched, and the first jaw body 411 and the second jaw body 412 are opened.

[0047] In some embodiments, referring to Figure 8 and Figure 9 , the first jaw body 411 and the second jaw body 412 are both provided with anti-skid rubber pads 4113. The anti-skid rubber pad 4113 on the first jaw body 411 is arranged on the side thereof facing the second jaw body 412, and the anti-skid rubber pad 4113 on the second jaw body 412 is arranged on the side thereof facing the first jaw body 411. Each anti-skid rubber pad 4113 can be fixed to the first jaw body 411 and the second jaw body 412 by adhesion. In this embodiment, the anti-skid rubber pads 4113 are arranged to increase the friction of the fixing clamp 41, so that the fixing clamp 41 is stably connected to the support frame of the trolley.

[0048] In another embodiment of the present application, referring to Figures 10-13 The difference between this embodiment and the foregoing embodiments is that the connecting device 40 further comprises a second connecting piece 46, the second connecting piece 46 is installed on the fixing clamp 41, and the first connecting piece 42 is installed on the second connecting piece 46.

[0049] Specifically, in this embodiment, the position of the first groove 4121 is different from that in the foregoing embodiments. In this embodiment, the first groove 4121 is arranged on the side surface of the fixing clamp 41, and the second connecting piece 46 can also be in the shape of a circular truncated cone. The smaller-diameter end of the second connecting piece 46 is installed in the first groove 4121, so that the second connecting piece 46 is threadedly connected with the fixing clamp 41. The side surface of the larger-diameter end of the second connecting piece 46 is provided with a third groove 461, the inner circumferential wall of the third groove 461 is in a threaded shape, and the small-diameter end 422 of the first connecting piece 42 is installed in the third groove 461, so that the first connecting piece 42 is threadedly connected with the second connecting piece 46, and the connection strength between the first connecting piece 42 and the second connecting piece 46 is ensured. In this embodiment, the second connecting piece 46 is arranged to increase the distance between the first connecting piece 42 and the second jaw body 412, so as to facilitate the user to adjust the length and adapt to trolleys of different shapes and sizes.

[0050] Optionally, in an embodiment, the driving device 30 comprises a battery, which can be a rechargeable battery or a dry battery. The battery provides a power source for the operation of the electrically assisted skateboard.

[0051] Optionally, in an embodiment, a decorative plate 13 is arranged on the side of the plate body 10 away from the driving device 30, the decorative plate 13 is matched with the shape of the plate body 10, and the decorative plate 13 can be fixed on the plate body 10 by means of adhesion. By arranging the decorative plate 13, the mounting holes on the plate body 10 can be shielded, and the aesthetic performance of the electric scooter is improved.

[0052] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments. In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features.

[0053] The electric scooter provided by the embodiments of the present application is described in detail above, and the specific examples are applied to describe the principles and implementation manners of the present application. The above embodiment description is only used to help understand the method and core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manner and application range can be changed, and the above description should not be understood as limiting the present application.

Claims

1. An electrically assisted scooter for a handcart, said handcart comprising a support frame provided at a rear end thereof, characterized in that, The electrically assisted scooter comprises a board body, a pulley, a driving device and a connecting device, the driving device is installed on the board body, the pulley is connected with the driving device, the driving device is suitable for driving the pulley to rotate to drive the electrically assisted scooter to move, and the connecting device is connected with the support frame to drive the handcart to move forward.

2. The electrically assisted skate of claim 1, wherein, The connecting device comprises a fixed clamp, a first connecting piece, a bearing and a first fastener, the board body is provided with a first mounting hole, one end of the first connecting piece is connected with the fixed clamp, the other end of the first connecting piece passes through the first mounting hole and the center hole of the bearing in sequence and is connected with the first fastener to limit the board body between the fixed clamp and the bearing.

3. The electrically assisted skate of claim 2, wherein, The first connecting piece is in the shape of a circular truncated cone, the first connecting piece has oppositely arranged large-diameter end and small-diameter end, the fixed clamp is provided with a first groove, the large-diameter end is provided with an axially extending second groove, the small-diameter end is fixedly installed in the first groove, and the first fastener is fixedly installed in the second groove.

4. The electrically assisted skate of claim 3, wherein, The first groove and the second groove are both provided with internal threads, the small-diameter end and the first fastener are both provided with external threads, so that the small-diameter end is threadedly connected with the fixed clamp, and the first fastener is threadedly connected with the large-diameter end.

5. The electrically assisted skate of claim 2, wherein, The connecting device further comprises a second fastener, the outer periphery of the bearing is provided with a lifting lug, the lifting lug is provided with a through hole, the board body is provided with a second mounting hole corresponding to the through hole, and the second fastener passes through the through hole and the second mounting hole in sequence to fixedly connect the board body and the bearing.

6. The electrically assisted skate of claim 2, wherein, The first connecting piece is installed in the center hole of the bearing in interference fit.

7. The electrically assisted skate of claim 2, wherein, The fixed clamp comprises a first clamp body, a second clamp body, a handle and a pin shaft, the first clamp body is hingedly connected with the second clamp body, and the handle is fixedly connected with the pin shaft. The pin shaft is provided with a first threaded section and a second threaded section, the rotation direction of the first threaded section is opposite to that of the second threaded section, the first threaded section is matched with the first clamp body, the second threaded section is matched with the second clamp body, and the handle drives the pin shaft to rotate to make the first clamp body and the second clamp body approach or move away from each other.

8. The electrically assisted skate of claim 7, wherein, The fixed clamp further comprises a first column and a second column, the first clamp body is provided with a first arc-shaped slot for installing the first column, and the second clamp body is provided with a second arc-shaped slot for installing the second column; the first column, the second column, the first clamp body and the second clamp body are all provided with a plug hole through which the pin shaft passes, the inner wall of the first column plug hole is threadedly connected with the first threaded section, and the inner wall of the second column plug hole is threadedly connected with the second threaded section.

9. The electrically assisted skate of claim 7, wherein, The side of the first clamp body facing the second clamp body and the side of the second clamp body facing the first clamp body are both provided with a non-slip rubber pad.

10. The electrically assisted skate board of claim 1, wherein, The connecting device comprises a fixed clamp, a first connecting piece, a second connecting piece, a bearing and a first fastener, the plate body is provided with a first mounting hole, the second connecting piece is connected with the fixed clamp, one end of the first connecting piece is connected with the second connecting piece, the other end of the first connecting piece is sequentially connected with the first fastener after passing through the first mounting hole and the center hole of the bearing, so as to limit the plate body between the fixed clamp and the bearing.

Images