CN217091901U

CN217091901U - Direct-drive type electric rope skipping device with outer rotor motor

Info

Publication number: CN217091901U
Application number: CN202220825964.XU
Authority: CN
Inventors: 应成硕
Original assignee: Jinhua Langlijie Electromechanical Technology Co ltd
Current assignee: Jinhua Langlijie Electromechanical Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-02
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses an electronic rope skipping ware of external rotor electric machine direct drive formula, including base, power, external rotor electric machine, rotary drive shell and the rope body, external rotor electric machine's stator and base relatively fixed, rotary drive shell and external rotor electric machine's external rotor fixed connection, the external rotor can drive the relative base rotation of rotary drive shell, the one end of the rope body is fixed on the rotary drive shell, and the rotary drive shell drives the rope body and does the circumference and sweep, and this electronic rope skipping ware compact structure, noise are little.

Description

Direct-drive type electric rope skipping device with outer rotor motor

Technical Field

The utility model relates to an electronic rope skipping especially relates to an electronic rope skipping of external rotor electric machine direct drive formula, and rope body circumference is swept and is used for skipping rope.

Background

The skipping rope is a sports game in which one person or a plurality of people do various skipping actions in a rope which is circularly swung. The game Tang dynasty is called a "full rope", Song dynasty is called a "jumping rope", and the game Song dynasty is called a "jumping rope", is called a "rope flying", and is called a "jumping rope" after the game is cleared.

The existing skipping rope equipment is provided with two handles, a rope body is connected between the two handles, a user holds the two handles respectively with two hands to swing the rope body, the rope body is made to swing circularly, and the user jumps to move during the process. However, in the process of rope skipping, both hands are required to be continuously swung, and the hands are easy to ache and fatigue.

For this reason, there is a rope skipping mechanism driven by a device, but two devices are generally required, the two devices are respectively connected to both ends of a rope, and the two devices simultaneously operate to simulate a double rope throwing.

An electric rope skipping machine in the market, for example an electric rope skipping machine with a patent publication No. CN216061847U, comprises a rope skipping machine body, the rope skipping machine body comprises a main shaft part and a rotating part which is assembled and connected with the main shaft part and can rotate relative to the main shaft part, the rotating part is in transmission connection with a power output mechanism arranged on the rope skipping machine body, the rope skipping device can be driven by the motor to do rotary motion, the power output mechanism comprises a speed reducing motor, a first gear is connected to a motor shaft of the speed reducing motor, the rotating part comprises a fluted disc and a connecting disc, the first gear is meshed with inner teeth of the fluted disc, the connecting disc is assembled on the fluted disc, the rope body is connected with the connecting disc, the first gear drives the fluted disc to rotate, the connecting disc is driven by the fluted disc to rotate, the rope body is enabled to do continuous circumferential sweeping motion, rope skipping motion can be achieved only by skipping the rope body which is hidden and swept by a user, and the rope skipping device is small in occupied area and convenient to use.

But gear motor's motor shaft drives through the reduction gear subassembly that first gear and fluted disc combination formed, and the drive connection pad drives rope body circumference and sweeps, and the structure is comparatively complicated, has great noise through gear drive, and the transmission between the gear causes wearing and tearing easily, and the life-span is lower.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned electronic rope skipping ware structure is complicated, the noise is big, life-span low grade is not enough, the utility model provides a simple structure, compactness, the electronic rope skipping ware of external rotor electric machine direct drive formula that the noise is low.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the direct-drive electric rope skipping device with the outer rotor motor is characterized by comprising a base, a power supply, the outer rotor motor, a rotary driving shell and a rope body, wherein a stator of the outer rotor motor is relatively fixed with the base, the rotary driving shell is fixedly connected with an outer rotor of the outer rotor motor, the outer rotor can drive the rotary driving shell to rotate relative to the base,

one end of the rope body is fixed on the rotary driving shell, and the rotary driving shell drives the rope body to perform circumferential sweeping.

The utility model discloses further preferred technical scheme does: the rotary driving shell is arranged above the base, and the size of the bottom of the base is larger than that of the rotary driving shell.

The utility model discloses further preferred technical scheme does: the bottom of the rotary driving shell is provided with a sleeving groove which is sleeved on the outer side of the outer rotor and is in tight fit connection with the outer rotor.

The utility model discloses further preferred technical scheme does: the edge of the notch of the sleeving groove is provided with a reverse buckle, and when the outer rotor is inserted into the sleeving groove, the reverse buckle is buckled on the lower edge of the outer rotor to limit the relative movement of the outer rotor and the rotary driving shell in the axial direction.

The utility model discloses further preferred technical scheme does: a gap is formed between the rotary driving shell and the base, and the size of the gap is 0.5mm-10 mm.

The utility model discloses further preferred technical scheme does: the power is a lithium battery, the number of the lithium batteries is 1-5, the lithium batteries are installed in the base, and a charging port is arranged on the base.

The utility model discloses further preferred technical scheme does: the base is provided with a start-stop switch and a gear adjusting switch.

The utility model discloses further preferred technical scheme does: the base is internally fixed with a control module, and the functional module is electrically connected with the control module.

The utility model discloses further preferred technical scheme does: the base internal fixation has control module, and control module includes the count submodule piece, and the count submodule piece is used for the rotatory number of turns of record external rotor, the display screen is installed to the base outer wall, and the display screen is connected with control module electricity.

The utility model discloses further preferred technical scheme does: still include the remote controller, the base internal fixation has control module, and the remote controller is connected with control module wireless communication.

Compared with the prior art, the utility model has the advantages that external rotor electric machine's stator and base relatively fixed, the external rotor fixed connection of rotary drive shell and external rotor electric machine, the external rotor direct drive rotary drive shell through external rotor electric machine rotates, has cancelled the transmission of gear, has reduced wearing and tearing to make life promote, and reduced the noise.

The rotary driving shell is fixedly connected with the outer rotor of the outer rotor motor, so that the gap between the rotary driving shell and the outer rotor motor is reduced, and the integral structure is more compact.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a view showing a usage state of the present invention;

FIG. 5 is a cut-away view of the present invention;

fig. 6 is a partially enlarged view of fig. 5 at a.

In the figure: 1. a base; 2. a rotary drive housing; 3. a rope body fixing hole; 4. a start-stop switch; 5. an LED lamp; 6. a gap; 7. a charging port; 8. a display screen; 9. an outer rotor motor; 10. a rope body; 11. a balancing weight; 12. a fixing member; 13. a through hole; 14. a limiting part; 15. an outer rotor; 16. a stator; 17. a motor frame; 18. a power source; 19. a control module; 20. a sleeving groove; 21. and (6) reversing the process.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1 to 6, the external rotor motor direct drive type electric rope skipping device comprises a base 1, a power supply 18, an external rotor motor 9, a rotary drive shell 2, a rope body 10, a control module 19, a remote controller and at least one functional module.

Preferably, the control module 19 includes a PCB circuit board, the PCB circuit board is an existing circuit board structure on the market, and the control module 19 is fixed in the base 1.

The base 1 comprises an upper shell and a lower bottom, and the upper shell and the lower bottom are detachably and fixedly connected to form an inner cavity.

As shown in fig. 1, 3 and 5, the external rotor motor 9 is fixedly connected to the top of the base 1, wherein the stator 16 of the external rotor motor 9 is fixed relative to the base 1. Specifically, the stator 16 of the external rotor motor 9 is fixed on a motor frame 17 of the external rotor motor 9, and the motor frame 17 of the external rotor motor 9 is fixedly connected with the top of the base 1 through screws.

The rotary driving shell 2 is fixedly connected with an outer rotor 15 of the outer rotor motor 9, and the outer rotor 15 can drive the rotary driving shell 2 to rotate relative to the base 1.

Preferably, the bottom of the rotary driving case 2 is provided with a sleeving groove 20, the sleeving groove 20 is sleeved outside the outer rotor 15 of the outer rotor motor 9, the inner wall of the sleeving groove 20 is tightly matched and connected with the outer rotor 15, and when the outer rotor 15 rotates, the outer rotor 15 drives the rotary driving case 2 to rotate through the friction force between the outer rotor and the inner wall of the sleeving groove 20.

As shown in fig. 6, in addition, the edge of the slot of the engaging slot 20 is provided with two reverse buckles 21, and preferably, the number of the reverse buckles 21 is two, when the outer rotor 15 is inserted into the engaging slot 20, the reverse buckles 21 are buckled on the lower edge of the outer rotor 15 to limit the relative movement of the outer rotor 15 and the rotary driving case 2 in the axial direction, so that the rotary driving case 2 and the outer rotor 15 are connected more tightly, and the rotary driving case 2 cannot be separated from the outer rotor 15. The reverse buckle 21 has elasticity.

The power supply 18 and the outer rotor motor 9 are both electrically connected with the control module 19. Outer rotor motor 9 is an existing outer rotor brushless motor on the market, for example, a brushless outer rotor motor with a model number of 48F704P840 under the brand name of Nidec/Nidec.

The rotary driving shell 2 is arranged above the base 1, the size of the bottom of the base 1 is larger than that of the rotary driving shell 2, the large-size base 1 enables the electric rope skipping device of the rotary driving shell 2 to be more stable when the electric rope skipping device rotates, and the problem of swinging or side turning is not easy to occur.

In addition, a gap 6 is formed between the rotary driving shell 2 and the base 1, so that the rotary driving shell 2 cannot be in contact with the top of the base 1 below, and the smooth rotation of the rotary driving shell 2 is ensured.

The size of the gap 6 is 0.5mm-10mm, preferably, the size of the gap 6 is 1.5 mm.

As shown in fig. 4 and 5, one end of the rope 10 is fixed to the rotation driving case 2. Preferably, rope body fixed orifices 3 have been seted up on the rotation driving shell 2, rope body fixed orifices 3 are the screw hole, screw in has mounting 12 in the rope body fixed orifices 3, the outer wall of mounting 12 is equipped with the external screw thread with 3 spiro unions of rope body fixed orifices, mounting 12 center has through-hole 13, rope body 10 passes through-hole 13, and the one end of rope body 10 is connected with spacing portion 14, spacing portion 14 size is greater than through-hole 13 aperture, the one end rope body 10 that will have spacing portion 14 inserts in rope body fixed orifices 3, connect mounting 12 on rope body fixed orifices 3 again, make the one end of rope body 10 connect on rotation driving shell 2, spacing portion 14 restriction rope body 10's one end breaks away from.

As shown in fig. 4, when the electric rope skipping device is needed to skip the rope, the external rotor motor 9 is started, the external rotor 15 of the external rotor motor 9 rotates, and the external rotor 15 drives the rotary driving shell 2 to rotate, so that the rotary driving shell 2 drives the rope body 10 to sweep around the axis of the external rotor 15 as the rotation center, and a user can skip the swept rope body 10 to exercise.

In addition, the free end of the rope body 10 can be connected with a balancing weight 11, when the rotary driving shell 2 rotates, the balancing weight 11 is thrown outwards by centrifugal force, and the rope body 10 is straightened, so that the rope body 10 can be pulled straighter when being swept circumferentially.

The power supply 18 is a lithium battery, the number of the lithium batteries is 1-5, preferably, the number of the lithium batteries is two, a battery cavity for installing the lithium batteries is arranged in the base 1, the two lithium batteries are installed in the battery cavity, and the lithium batteries are used for providing electric energy for the electric rope skipping device.

The base 1 is provided with a charging port 7 for charging the lithium battery.

Preferably, the base 1 is further provided with a start-stop switch 4 and a gear adjusting switch, the start-stop switch 4 and the gear adjusting switch are both electrically connected with the control module 19, the start-stop switch 4 is used for controlling the start and the close of the electric rope skipping device, the gear adjusting switch is used for adjusting the rotating speed of the outer rotor motor 9, and the duty ratio of the outer rotor motor 9 is adjusted by pressing the gear adjusting switch, so that the rotating speed of the outer rotor motor 9 is adjusted.

The display screen 8 is installed to base 1 outer wall, and the display screen 8 is connected with control module 19 electricity.

The control module 19 comprises a counting submodule, the counting submodule obtains the rotating speed of the outer rotor motor 9 by detecting the back electromotive force of the outer rotor motor 9, the number of rotating turns of the outer rotor 15 is calculated according to the rotating speed of the outer rotor motor 9, the number of rotating turns of the outer rotor 15 is recorded, and the number of rotating turns of the outer rotor 15 is counted once. The recorded number of rotations of outer rotor 15 is displayed by display screen 8. Reference is made to chinese patent publication No. CN 104779845A.

To the tally function, we have another kind of structure yet, base 1 internal fixation has counting assembly, counting assembly is connected with control module 19 electricity, counting assembly responds to the rotation of rotary drive shell 2 and takes notes the number of turns, rotary drive shell 2 rotates the round, counting assembly responds to and counts once, counting assembly is the current structure in the market, for example counting assembly includes hall switch, hall switch fixes on base 1, be equipped with on the rotary drive shell 2 with hall switch matched with magnet, export a high level when hall switch response magnetic field intensity is greater than hall switch operating point and count for IC. Reference is made to chinese published patent publication nos. CN216169822U0, CN 114028760A. The number of rotations of the rotation driving case 2 is displayed through the display screen 8.

Preferably, the function module is bluetooth sound, and bluetooth sound is connected with 19 electricity of control module, is equipped with bluetooth module on the 19 electricity of control module, and bluetooth module is connected with 19 electricity of control module, pairs with external terminal equipment bluetooth through bluetooth module and is connected, makes bluetooth sound can be used for audio frequencies such as broadcast music, increases the interest of electronic rope skipping ware. An external terminal device such as a mobile phone.

Preferably, the function module is LED lamp 5, has seted up a plurality of lamp hole on the circumference outer wall of rotary drive shell 2, and a plurality of lamp hole encloses into the round, and LED lamp 5 is installed in each lamp hole, and LED lamp 5 is connected with control module 19 electricity, and when rotary drive shell 2 rotated, start LED lamp 5, make electronic rope skipping ware cool dazzle more, promote experience and feel.

The function of the electric rope skipping device is expanded by arranging one or more functional modules, so that the electric rope skipping device has more functions for users to use.

In addition, the remote controller is in wireless communication connection with the control module 19, and the remote controller can be used for remotely controlling the start and stop of the electric rope skipping device, adjusting the rotating speed gear of the outer rotor motor 9 and applying the functional module. Since the remote controller is an existing device, the principle, structure, and the like of the remote controller will not be explained here. The remote control is not shown in the figure.

It is right above the utility model provides an external rotor electric machine directly drives formula electronic rope skipping ware and has introduced, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have explained, and the explanation of above embodiment only is used for helping understanding the utility model relates to a core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The outer rotor motor direct-drive type electric rope skipping device is characterized by comprising a base, a power supply, an outer rotor motor, a rotary driving shell and a rope body, wherein a stator of the outer rotor motor is relatively fixed with the base, the rotary driving shell is fixedly connected with an outer rotor of the outer rotor motor, the outer rotor can drive the rotary driving shell to rotate relative to the base, one end of the rope body is fixed on the rotary driving shell, and the rotary driving shell drives the rope body to perform circumferential sweeping.

2. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein the rotary drive shell is mounted above a base, and the size of the bottom of the base is larger than that of the rotary drive shell.

3. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein a sleeving groove is formed in the bottom of the rotary drive shell, sleeved on the outer side of the external rotor and tightly connected with the external rotor.

4. The external rotor motor direct drive type electric rope skipping device according to claim 3, wherein an inverted buckle is arranged at the edge of the notch of the sleeving groove, and when the external rotor is inserted into the sleeving groove, the inverted buckle is buckled on the lower edge of the external rotor to limit the relative movement of the external rotor and the rotary driving shell in the axial direction.

5. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein a gap is formed between the rotary drive shell and the base, and the size of the gap is 0.5mm-10 mm.

6. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein the power supply is a lithium battery, the number of the lithium batteries is 1-5, the lithium battery is installed in a base, and a charging port is formed in the base.

7. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein a start-stop switch and a gear adjusting switch are arranged on the base.

8. The external rotor motor direct-drive electric rope skipping device according to claim 1, further comprising at least one function module for expanding functions, wherein a control module is fixed in the base, and the function module is electrically connected with the control module.

9. The external rotor motor direct drive type electric rope skipping device according to claim 1, wherein a control module is fixed in the base and comprises a counting submodule for recording the number of rotations of the external rotor, and a display screen is mounted on the outer wall of the base and electrically connected with the control module.

10. The external rotor motor direct drive type electric rope skipping device according to claim 1, further comprising a remote controller, wherein a control module is fixed in the base, and the remote controller is in wireless communication connection with the control module.