CN220022518U

CN220022518U - Rowing machine loading motor

Info

Publication number: CN220022518U
Application number: CN202321540920.3U
Authority: CN
Inventors: 李兴龙; 李文杰
Original assignee: Hangzhou Shiteng Technology Co ltd; Hangzhou Yingjishi Electric Co ltd
Current assignee: Hangzhou Shiteng Technology Co ltd; Hangzhou Yingjishi Electric Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-14
Anticipated expiration: 2033-06-16

Abstract

The utility model provides a rowing machine loading motor, which comprises a bracket, wherein a motor is fixedly connected to the bracket, a motor shaft is arranged on the motor, a unidirectional transmission assembly is fixedly connected to the motor shaft, a rope winding disc is sleeved outside the unidirectional transmission assembly, a clamping assembly is arranged on the rope winding disc, and a pull rope is wound on the rope winding disc; according to the rowing machine loading motor, the water resistance and the air resistance are replaced by the loading motor, so that the rowing machine body is reduced, when the rowing machine loading motor is used, the power generated by the loading motor under the pulling force of an operator can provide power for a control system of the rowing machine, the rowing machine is more energy-saving without external power, and the loading motor is further used to have the characteristics of low noise and convenience in pulling force adjustment, so that the using effect of the operator is better; the unidirectional cylindrical roller bearing has the advantages that the unidirectional cylindrical roller bearing can be used for transmitting torque unidirectionally, the situation that the motor rotor is driven to rotate around the rope disc due to the inertia force of the motor rotor when the pull rope is suddenly stopped can be avoided, meanwhile, the pull rope always maintains certain tension due to the pre-stressing force of the torsion spring, and the experience of an operator is better.

Description

Rowing machine loading motor

Technical Field

The utility model relates to a rowing machine, in particular to a rowing machine loading motor, and belongs to the technical field of body-building equipment.

Background

The rowing machine is a body-building machine designed by imitating rowing exercise, and mainly exercises legs, waist, back, arms and vital capacity by simulating the rowing exercise in water so as to achieve the effects of building body, shaping and reducing fat. The rowing machine can not only improve the heart and lung functions, but also strengthen the muscle strength and endurance, simultaneously improve the posture, protect the joints and reduce the sports injury.

In the prior art, the resistance mode of the rowing machine generally adopts air resistance and water resistance, and the mode of adopting air resistance and water group needs to use a water tank and an air tank, so that the rowing machine has the advantages of larger volume, larger noise and inconvenient resistance adjustment.

Disclosure of Invention

Based on the background, the utility model aims to provide the loading motor of the rowing machine, and solve the problems that in the background technology, a water tank and an air tank are needed by adopting an air resistor and a water group, the size is large, the noise is large, and the resistance adjustment is inconvenient.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a rowing machine loading motor which characterized in that: including the support, fixedly connected with motor on the support, the motor is provided with the motor shaft, fixedly connected with unidirectional transmission subassembly on the motor shaft, the winding rope dish has been cup jointed outward to unidirectional transmission subassembly, be provided with screens subassembly on the winding rope dish, the wiring has the stay cord on the winding rope dish, stay cord one end passes through screens subassembly and winding rope dish joint, winding rope dish keeps away from motor one end fixedly connected with wind spring subassembly, the motor end and support fixed connection are kept away from to the wind spring subassembly.

Preferably, the unidirectional transmission assembly comprises a unidirectional cylindrical roller bearing, the unidirectional cylindrical roller bearing is sleeved on a motor shaft, two sides of the unidirectional cylindrical roller bearing fixedly connected on the motor shaft are respectively sleeved with a first bearing, and the first bearing and the outer ring of the unidirectional cylindrical roller bearing are sleeved in a rope winding disc.

Preferably, the clamping component comprises a clamping column which is fixedly connected to the end part of the pull rope, a mounting groove is formed in the rope winding disc, the clamping column is placed inside the mounting groove, a mounting opening is formed in the position of a mounting notch formed in the rope winding disc, and a pressing plate which is detachably connected is arranged in the mounting opening.

Preferably, the coil spring assembly comprises a coil spring box, a coil spring body is arranged in the coil spring box, the outer ring end of the coil spring body is fixedly connected to the inner wall of the coil spring box, the inner ring end of the coil spring body is clamped with a coil spring fixing seat, a through groove is formed in the coil spring fixing seat, a coil spring shaft is sleeved in the through groove, and one end, far away from a motor shaft, of the coil spring is fixedly connected with the support.

Preferably, the motor comprises a stator, the stator is fixedly connected with a support, a first mounting hole is formed in the stator, a limiting ring is fixedly connected in the first mounting hole, second bearings are sleeved on two sides of the limiting ring in the first mounting hole respectively, an inner ring of each second bearing is sleeved with a motor shaft, a wire penetrating groove is formed in a connecting surface of the stator and the support, a rotor in rotary fit with the stator is sleeved on an outer cylindrical surface of the stator, and the rotor is far away from the support end and is fixedly connected with the motor shaft.

Preferably, the motor shaft is provided with a threaded hole near the end face of one end of the support, the encoder magnetic steel assembly is connected in the threaded hole in an internal rotating mode, the stator and the support fixing surface are provided with second mounting holes, the first mounting holes penetrate through the second mounting holes, the threading grooves penetrate through the second mounting holes, and the encoding plate is fixedly connected in the second mounting holes.

Compared with the prior art, the utility model has the following advantages:

according to the loading motor of the rowing machine, the water resistance and the air resistance are replaced by the loading motor, so that the volume of the rowing machine is reduced, when the motor is used, the power generated by the loading motor under the pulling force of an operator can provide power for a power system of the rowing machine, the motor is more energy-saving without external power, and the motor has the characteristics of low noise and convenience in pulling force adjustment, so that the use effect of the operator is better.

The utility model can avoid the condition that the rope winding disc is driven to rotate by the inertia force of the motor rotor when the rope is suddenly stopped to be pulled by using the characteristic of unidirectional transmission torque of the unidirectional cylindrical roller bearing, so that the use effect of an operator is optimal.

According to the utility model, the torsion of the torsion spring body and the power required by loading the motor rotor are acted on the rope winding disc simultaneously, so that the resistance is provided for the pull rope during pulling, and the situation that the use effect of an operator is poor due to too small resistance during pulling can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the rope reel of the present utility model;

fig. 5 is a schematic view of the stator structure of the present utility model.

In the figure: 1. a bracket; 2. a motor; 3. a motor shaft; 4. a unidirectional transmission assembly; 401. a one-way cylindrical roller bearing; 402. a first bearing; 5. a rope winding disc; 6. a clamping assembly; 601. a clamping column; 602. a mounting groove; 603. a mounting port; 604. a pressing plate; 7. a pull rope; 8. a coil spring assembly; 801. a coil spring body; 802. a coil spring fixing seat; 803. a through groove; 804. a coil spring shaft; 805. a coil spring box; 9. a stator; 10. a first mounting hole; 11. a limiting ring; 12. a second bearing; 13. a wire penetrating groove; 14. a rotor; 15. a threaded hole; 16. an encoder magnetic steel assembly; 17. a second mounting hole; 18. and (3) a coding plate.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings. It should be understood that the practice of the utility model is not limited to the following examples, but is intended to be within the scope of the utility model in any form and/or modification thereof.

In the present utility model, unless otherwise specified, all parts and percentages are by weight, and the equipment, materials, etc. used are commercially available or are conventional in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components and devices in the following examples are, unless otherwise indicated, all those components and devices known to those skilled in the art, and their structures and principles are known to those skilled in the art from technical manuals or by routine experimentation.

In the following detailed description of embodiments of the utility model, reference is made to the accompanying drawings, in which, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the utility model. However, one or more embodiments may be practiced by one of ordinary skill in the art without these specific details.

The utility model relates to a loading motor of a rowing machine, which is shown in fig. 1-5, and comprises a bracket 1, wherein the bracket 1 can detachably connect the utility model with the rowing machine through bolts, the utility model is convenient to detach and maintain, a motor 2 is fixedly connected to the bracket 1, the motor 2 used in the utility model is an outer rotor permanent magnet motor, the motor 2 provides resistance for the pull rope 7 of the utility model, and can generate electricity when pulling the pull rope 7, the motor 2 is provided with a motor shaft 3, a unidirectional transmission component 4 is fixedly connected to the motor shaft 3, the unidirectional transmission component 4 enables the motor shaft 3 of the utility model to be in unidirectional rotation connection with a winding disc 5, the unidirectional transmission component 4 is externally sleeved with the winding disc 5, the winding disc 5 provides an installation position for the pull rope 7 of the utility model, a clamping component 6 is arranged on the winding disc 5, the clamping component can clamp the pull rope 7 with the winding disc 5, so that the pull rope 7 can be prevented from being separated from the winding disc 5, the winding rope 7 is wound on the winding disc 5, the pull rope 7 can be pulled by a user, thereby driving the winding disc 5 to rotate, one end of the pull rope 7 is clamped with the motor 5, the winding disc 8 is far away from the motor 5, and the winding disc 8 is fixedly connected with the winding disc 8 through the clamping component, and the winding coil spring component is far away from the winding spring 8, and the winding coil spring component is fixedly connected to the winding coil spring component 8 in the winding mechanism, and the winding coil winding mechanism is far from the winding coil 8.

Further, the unidirectional transmission assembly 4 comprises a unidirectional cylindrical roller bearing 401, the unidirectional cylindrical roller bearing 401 can only rotate forward, and cannot rotate when in reverse, when a user pulls the pull rope 7 to a half to stop pulling, the unidirectional cylindrical roller bearing 401 is prevented from rotating due to the fact that the rotating belt of the rotor 14 is used for winding the rope, the unidirectional cylindrical roller bearing 401 is sleeved on the motor shaft 3, the two sides of the unidirectional cylindrical roller bearing 401 fixedly connected with the motor shaft 3 are respectively sleeved with a first bearing 402, the first bearing 402 plays a role in rotating and supporting the motor shaft 3 and the winding rope 5, and the first bearing 402 and the outer ring of the unidirectional cylindrical roller bearing 401 are sleeved in the winding rope 5.

Further, the clamping component 6 comprises a clamping column 601, the clamping column 601 is fixedly connected to the end part of the pull rope 7, a mounting groove 602 is formed in the rope winding disc 5, the clamping column 601 is placed inside the mounting groove 602, a mounting opening 603 is formed in the position of the opening of the mounting groove 602 formed in the rope winding disc 5, and a pressing plate 604 which is detachably connected is arranged in the mounting opening 603; the clamping post 601 is fixedly connected with one end of the pull rope 7 and is placed in the mounting groove 602, and a part of the clamping post is pressed by the pressing plate 604, so that the clamping post 601 fixedly connected with one end of the pull rope can be prevented from being separated from the mounting groove 602.

Further, the coil spring assembly 8 comprises a coil spring box 805, a coil spring body 801 can be installed in the coil spring box 805, a working environment is provided for the coil spring body 801, the coil spring body 801 is arranged in the coil spring box 805, the outer ring end of the coil spring body 801 is fixedly connected to the inner wall of the coil spring box 805, the inner ring end of the coil spring body 801 is clamped with a coil spring fixing seat 802, a through groove 803 is formed in the coil spring fixing seat 802, a coil spring shaft 804 is sleeved in the through groove 803, and one end of the coil spring far away from a motor shaft 3 is fixedly connected with the bracket 1. A through groove 803 formed in the coil spring fixing seat 802 is sleeved with a coil spring shaft 804 to connect one end of the inner ring of the coil spring body 801 with the bracket 1, so that the inner ring of the coil spring body 801 is fixed.

Further, the motor 2 comprises a stator 9, the stator 9 is fixedly connected with the bracket 1, a first mounting hole 10 is formed in the stator 9, a limiting ring 11 is fixedly connected in the first mounting hole 10, the limiting ring 11 can separate a second bearing 12, so that the rotation connection support between the motor shaft 3 and the stator 9 is more stable, the deviation of the motor shaft 3 from a rotating central shaft can be avoided, the two sides of the limiting ring 11 in the first mounting hole 10 are respectively sleeved with the second bearing 12, the inner ring of the second bearing 12 is sleeved with the motor shaft 3, a wire through groove 13 is formed in the connection surface of the stator 9 and the bracket 1, a wire of the motor 2 can be penetrated in the wire through groove 13, the exposure of the electrode wire can be avoided, a rotor 14 in rotation fit with the stator 9 is sleeved on the outer cylindrical surface of the stator 9, the rotor 14 is far away from the end of the bracket 1 and is fixedly connected with the motor shaft 3, and the rotation of the rotor 14 can provide the resistance required by the pull rope 7 and can be in rotation fit with the stator 9 so as to generate power.

Further, a threaded hole 15 is formed in the end face, close to one end of the bracket 1, of the motor shaft 3, an encoder magnetic steel assembly 16 is connected in the threaded hole 15 in an internal rotating mode, the encoder magnetic steel assembly 16 can edit and convert data or signals into signals capable of being communicated, transmitted and stored, a second mounting hole 17 is formed in the fixing face of the stator 9 and the bracket 1, the first mounting hole 10 penetrates through the second mounting hole 17, the threading groove 13 penetrates through the second mounting hole 17, an encoding plate 18 is fixedly connected in the second mounting hole 17, the encoding plate 18 can receive the signals capable of being transmitted and stored after being encoded by the encoder magnetic steel assembly 16, and the signals are transmitted to the controller.

The utility model relates to an implementation principle of a rowing machine loading motor 2, which comprises the following steps:

when the rowing machine is used, the bracket 11 is fixedly connected with the rowing machine through bolts, the pull rope 7 is pulled to drive the rope winding disc 5 and the coil spring box 805 to rotate, so that the coil spring body 801 is further driven to be wound and contracted and the motor shaft 3 is further driven to rotate, and the rotor 14 is driven to rotate around the stator 9 when the motor shaft 3 rotates, so that power generation is performed; notably, are: the pulling direction of the pull rope 7 is opposite to the rotation direction of the unidirectional cylindrical roller bearing 401, so that the situation that the spool is driven to rotate by the inertial force of the rotor 14 when the pull rope 7 is not pulled can be avoided, and the use effect of an operator is optimal.

At the end of use, the pulling rope 7 is not acted by an operator, and the restoring force of the coil spring body 801 rotates the coil spring case 805, thereby retracting the pulled-out portion of the pulling rope 7.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a rowing machine loading motor which characterized in that: including support (1), fixedly connected with motor (2) on support (1), motor (2) are provided with motor shaft (3), fixedly connected with one-way drive assembly (4) on motor shaft (3), one-way drive assembly (4) overcoat has wire winding dish (5), be provided with screens subassembly (6) on wire winding dish (5), the wire winding has stay cord (7) on wire winding dish (5), stay cord (7) one end is through screens subassembly (6) and wire winding dish (5) joint, wire winding dish (5) are kept away from motor (2) one end fixedly connected with wind spring subassembly (8), motor (2) end and support (1) fixed connection are kept away from to wind spring subassembly (8).

2. A rowing machine loading motor according to claim 1, wherein: the unidirectional transmission assembly (4) comprises a unidirectional cylindrical roller bearing (401), the unidirectional cylindrical roller bearing (401) is sleeved on a motor shaft (3), first bearings (402) are respectively sleeved on two sides of the unidirectional cylindrical roller bearing (401) fixedly connected with the motor shaft (3), and the first bearings (402) are sleeved in a rope winding disc (5) with the outer ring of the unidirectional cylindrical roller bearing (401).

3. A rowing machine loading motor according to claim 1, wherein: the clamping assembly (6) comprises a clamping column (601), the clamping column (601) is fixedly connected to the end portion of a pull rope (7), an installation groove (602) is formed in a rope winding disc (5), the clamping column (601) is placed inside the installation groove (602), an installation opening (603) is formed in the opening position of the installation groove (602) formed in the rope winding disc (5), and a pressing plate (604) which is detachably connected is arranged in the installation opening (603).

4. A rowing machine loading motor according to claim 1, wherein: the coil spring assembly (8) comprises a coil spring box (805), a coil spring body (801) is arranged in the coil spring box (805), the outer ring end of the coil spring body (801) is fixedly connected to the inner wall of the coil spring box (805), the inner ring end of the coil spring body (801) is clamped with a coil spring fixing seat (802), a through groove (803) is formed in the coil spring fixing seat (802), a coil spring shaft (804) is sleeved in the through groove (803), and one end, away from a motor shaft (3), of the coil spring is fixedly connected with the support (1).

5. A rowing machine loading motor according to claim 1, wherein: the motor (2) comprises a stator (9), the stator (9) is fixedly connected with a support (1), a first mounting hole (10) is formed in the stator (9), a limiting ring (11) is fixedly connected in the first mounting hole (10), two sides of the limiting ring (11) are respectively sleeved with a second bearing (12), an inner ring of the second bearing (12) is sleeved with a motor shaft (3), a wire penetrating groove (13) is formed in a connecting surface of the stator (9) and the support (1), a rotor (14) in running fit with the stator (9) is sleeved on an outer cylindrical surface of the stator (9), and the end of the rotor (14) away from the support (1) is fixedly connected with the motor shaft (3).

6. A rowing machine loading motor according to claim 5, wherein: the motor shaft (3) is close to and has offered screw hole (15) on support (1) one end terminal surface, screw hole (15) internal rotation has connect encoder magnet steel subassembly (16), second mounting hole (17) have been seted up on stator (9) and support (1) stationary plane, first mounting hole (10) run through second mounting hole (17), threading groove (13) run through to second mounting hole (17), fixedly connected with coding plate (18) in second mounting hole (17).