Ultra-thin motor

By adopting an external rotor motor structure and an improved heat dissipation design, the problems of large motor thickness and poor heat dissipation in fitness equipment have been solved, achieving a thinner and more stable fitness equipment, improving product performance and aesthetics, while also enhancing motor stability and customer user experience.

CN223912372UActive Publication Date: 2026-02-13MORNSUN GUANGZHOU SCI & TECH
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Patent Information

Application Number
CN202423261175.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-02-13
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing fitness equipment uses thick motors with poor heat dissipation, which limits the design of thinner and lighter wall-mounted fitness equipment and affects the user experience.

Method used

It adopts an external rotor motor structure, combined with an improved heat dissipation structure and rope winding device, including a rope winding groove and baffle on the rotor, fan blade-shaped heat dissipation holes or holes on the end cover of the outer shell, and the motor stator is fixed on the fitness equipment, optimizing the motor thickness and heat dissipation performance.

Benefits of technology

This design achieves a thinner and lighter motor with excellent heat dissipation, improving the lightweight and stable design of fitness equipment and enhancing the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223912372U_ABST
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Abstract

The utility model discloses an ultra-thin motor, which comprises a stator structure device, and the stator structure device is sleeved on a transmission shaft through a first bearing and a second bearing. The rotor structure device comprises rotor magnetic steel, a first shell end cover and a second shell end cover; the rope winding device comprises a rotor structure device, a first bearing, a second bearing and a rope winding groove, the rope winding groove is formed in the rotor structure device, a first baffle and a second baffle are arranged on the two sides of the rope winding groove respectively, and a pull rope fixing device and a pull rope are arranged on one side baffle. Compared with the prior art, according to the ultra-thin motor provided by the utility model, the motor and the rope collecting groove unit can be made thinner, the ultra-thin motor is very suitable for the light and thin design of wall-mounted intelligent electronic counterweight fitness equipment, and the product appearance and the customer application experience feeling are greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of the motor of a resistance pump used in fitness equipment, in particular to a super-thin motor of a smart electronic weight fitness equipment. BACKGROUND

[0002] With the continuous improvement of people's living standards and the pursuit of higher quality of life, and the continuous acceleration of the pace of life, people pay more and more attention to physical exercise, and the convenience and home application demand of fitness are rapidly rising. Home fitness equipment is becoming more and more popular, especially multifunctional wall-mounted smart electronic weight fitness equipment has become the first choice of fitness enthusiasts. The fitness equipment combines AI and entertainment interactive technology, and the entertainment interactive experience is better, which is deeply welcomed by people. The smart electronic weight fitness equipment provides an electronic weight resistance device through a motor, and provides the required resistance for the exerciser. Specifically, the motor device comprises a stator shaft device and an outer rotor device matched with each other, and a rope collecting groove is arranged on the outer rotor. The rope collecting groove is used for winding the resistance rope. When in use, the exerciser directly or indirectly pulls the resistance rope to obtain the resistance provided by the motor. The existing fitness equipment on the market adopts a traditional radial flux inner rotor motor structure, and the motor technology is mature and the cost is low. However, the inner rotor structure motor generally has poor heat dissipation performance. In addition, the motor rope collecting groove and the motor are arranged in parallel. In order to provide sufficient torque, the thickness of the motor is relatively large. In addition to the thickness of the rope collecting groove, the total thickness of the overall motor and the rope collecting device cannot be further reduced, which limits the further lightweight design of the home wall-mounted fitness equipment. The thickness and heavy appearance design greatly affect the user experience. Therefore, it is necessary to improve and optimize the existing motor device. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the technical defects that the motor device for the existing fitness equipment is thick, the motor has poor heat dissipation performance and is not conducive to the development of the wall-mounted fitness equipment to be light and thin. The utility model provides a super-thin wall-mounted fitness equipment motor device with high reliability, low noise, long service life and excellent heat dissipation performance, so as to meet the application demand of the lighter and thinner wall-mounted fitness equipment.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A super-thin motor is suitable for the resistance pump motor of fitness equipment, and the motor is an outer rotor motor structure, which comprises a stator structure device and a rotor structure device. The stator structure device comprises a transmission shaft. The rotor structure device comprises a first housing end cover, a second housing end cover, a first bearing, a second bearing and a rope collecting groove. The rope collecting groove is arranged on the rotor structure device, and first and second baffles are arranged on the two sides of the rope collecting groove. A rope fixing device and a rope are arranged on one side of the baffle.

[0006] Preferably, the first and second housing end covers are provided with fan blade type heat dissipation structures or heat dissipation holes.

[0007] Preferably, the first and second housing end covers are provided with one or more fan blade type heat dissipation structures or heat dissipation holes.

[0008] Preferably, the fan blade type heat dissipation structures or heat dissipation holes are distributed in the same direction or in opposite directions or in both directions on the first and second housing end covers.

[0009] The utility model also provides a kind of ultra-thin motor, it is applicable to fitness equipment equipment tension pump motor, the motor is outer rotor motor structure, including first bearing, second bearing, stator and rotor which are sequentially arranged from inside to outside along transmission shaft, and two housing end covers are arranged at the both ends of rotor, the part of two housing end covers extending outward is formed into two baffle plates, one baffle plate is provided with pull rope fixing device and pull rope, and the inner wall of two baffle plates and the outer wall of rotor form rope collecting groove for accommodating pull rope.

[0010] Preferably, the two housing end covers are first and second housing end covers, and the first housing end cover is provided with air holes or raised air plates.

[0011] Preferably, the air holes and raised air plates of the first housing end cover are arc-shaped and distributed in the same direction or / and opposite direction along the rotation direction; the air holes and raised air plates of the second housing end cover are arc-shaped and distributed in the same direction or / and opposite direction along the rotation direction.

[0012] Preferably, the stator is assembled on the transmission shaft through the first and second bearings at both ends of the transmission shaft; and the two housing end covers extending out from both ends of the transmission shaft are used to be fixed on the fitness equipment through both ends of the transmission shaft.

[0013] The utility model has the advantages that: by adopting outer rotor motor structure, adjusting motor stator device, rotor device and rope collecting device structure, the thickness of motor is made smaller, the overall thickness of wall-mounted fitness equipment is reduced, the product is lighter and thinner, the space occupied by the product is smaller, the product is more beautiful, and the customer experience is greatly improved; at the same time, the rope collecting device is arranged on the outer rotor of the motor, the motor is more uniform in stress when collecting rope, and the motor bearing is less worn by external force; at the same time, the motor stator device is arranged in the motor, and the motor stator shaft is directly fixed on the fitness equipment, so that the motor device is more stable than the traditional motor structure, the improved heat dissipation structure makes the motor have better heat dissipation performance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1A cross-sectional view of the ultra-thin motor of the first embodiment of the present application;

[0015] Figure 2 A cross-sectional view of the ultra-thin motor of the second embodiment of the present application.

[0016] In the above drawings, the reference signs are as follows:

[0017] 1. Stator, 11. Transmission shaft, 2. First bearing, 3. Second bearing, 4. Rotor, 41. First housing end cover, 42. Second housing end cover, 43. Heat dissipation air duct of positive rotation air guide structure, 44. Heat dissipation air duct of reverse rotation air guide structure, 5. Rope collecting groove, 51. Pull rope fixing device, 52. Pull rope, 53. First baffle, 54. Second baffle DETAILED DESCRIPTION

[0018] The embodiments of the present application will be further described in detail below with reference to the drawings, but the specific embodiments of the present application are not limited thereto.

[0019] First embodiment:

[0020] Please refer to the drawings Figure 1 , a cross-sectional view of the ultra-thin motor of the first embodiment of the present application, an ultra-thin wall-mounted fitness equipment motor, the motor is an outer rotor motor structure, comprising a first bearing 2, a second bearing 3 and a stator structure 1 arranged in sequence from inside to outside along a transmission shaft 11, the stator structure 1 contains a winding coil, a rotor structure 4, the rotor structure 4 includes a rotor magnet steel and two housing end covers 41, 42 arranged at both ends of the rotor structure 4, the part of the housing end cover 41 extending outward forms a baffle 54, the part of the housing end cover 42 extending outward forms a baffle 53, wherein the baffle 53 is provided with a pull rope fixing device 51 and a pull rope 52, the inner walls of the baffles 53, 54 and the outer wall of the rotor structure 4 form a rope collecting groove 5 for accommodating the wound pull rope 52. The stator structure 1 and the two housing end covers 41, 42 are assembled on the transmission shaft through the first bearing 2 and the second bearing 3 at both ends of the transmission shaft 11; the two housing end covers 41, 42 extending out of both ends of the transmission shaft 11 are used to be fixed on the fitness equipment through both ends of the transmission shaft.

[0021] The utility model discloses a super thin motor, through adopting outer rotor motor structure, adjusting motor stator device, rotor device and the structure of rope collecting device, very suitable wall -hanging type intelligent electronic counterweight fitness equipment's light and thin design can make the motor and the rope collecting groove unit thinner, thereby make the thickness of motor smaller, reduce the overall thickness of wall -hanging type fitness equipment, make product lighter and thinner, the space of family use is smaller, more beautiful, product performance, appearance and customer application experience feel greatly promote. Meanwhile, the rope collecting device is arranged on the outer rotor of the motor, and the motor is more uniform in stress when the motor rope collecting movement, and the motor bearing is less worn by external force. Meanwhile, the motor stator device is in the motor, and the motor stator shaft is directly fixed on the fitness equipment on both sides, so that the motor device is more stable than the traditional motor structure, and the improved heat dissipation structure makes the motor have more excellent heat dissipation performance.

[0022] Specifically, the super thin motor comprises a stator structure device 1, the stator structure device 1 comprises a transmission shaft 11; a rotor structure device 4, the rotor structure device 4 comprises a rotor magnetic steel and a first housing end cover 41, a second housing end cover 42; a first bearing 2 and a second bearing 3 and a rope collecting groove 5, the rope collecting groove is arranged on the rotor structure device, first baffles 53 and second baffles 54 are arranged on both sides of the rope collecting groove respectively, and a rope fixing device 51 and a pull rope 52 are arranged on one side baffle 53.

[0023] From the above description, the utility model has the beneficial effect that compared with the inner rotor structure motor, the motor of the outer rotor structure has higher rotational inertia, output torque and power, so that the fitness equipment adopts the outer rotor motor of the utility model, and the motor can be made thinner and lighter under the condition of obtaining the same torque and power. Meanwhile, the rope collecting groove of the fitness equipment is arranged on the outer rotor of the motor, so that the thickness space occupied by the traditional motor rope collecting groove is reduced, and the overall product thickness is further reduced, so that the thickness of the wall-mounted fitness equipment is greatly reduced.

[0024] Second embodiment:

[0025] Please refer to the attached Figure 2 It is a cross-sectional view of the super thin motor of the second embodiment of the utility model, a super thin wall-mounted fitness equipment motor, which is different from the first embodiment in that two housing end covers 41 and 42 are provided with air guide structures. Specifically, the super thin motor is an outer rotor motor structure, which comprises a stator structure device 1, the stator structure device 1 comprises a transmission shaft 11; a rotor structure device 4, the rotor structure device 4 comprises a first housing end cover 41, a second housing end cover 42, the housing end covers are respectively provided with a convex positive rotation air guide structure heat dissipation air duct 43 and a reverse rotation air guide structure heat dissipation air duct 44; a first bearing 2 and a second bearing 3 and a rope collecting groove 5, the rope collecting groove is arranged on the rotor structure device, first baffles 53 and second baffles 54 are arranged on both sides of the rope collecting groove respectively, and a rope fixing device 51 and a pull rope 52 are arranged on one side baffle 53.

[0026] Preferably, the air guide structure arranged on the two housing end covers 41, 42 is a wind hole or a convex air baffle, which is arc-shaped and arranged in the same direction or / and the reverse direction along the rotation direction.

[0027] The heat dissipation air ducts arranged in the same direction and the reverse direction provide the air required for motor heat dissipation when the motor rotates in the same direction and the reverse direction, and the higher the motor speed, the greater the air, thereby greatly improving the heat dissipation capacity of the motor after the ultra-thin design.

[0028] Compared with the prior art, the motor scheme of the ultra-thin wall hanging type fitness equipment device has the following advantages:

[0029] 1. The motor and the rope collecting device make the product thinner, and the motor with the outer rotor structure provides greater torque and higher motor power density.

[0030] 2. The heat dissipation fan structure and the air duct structure are added, thereby greatly improving the motor heat dissipation capacity and the heat dissipation efficiency.

[0031] 3. The transmission shafts of the internal stator structure device of the outer rotor motor can be fixed on the fitness equipment at the same time, thereby improving the stability of the rope collecting device, reducing the motor wear, and improving the product stability.

[0032] It should be emphasized that the above-described embodiments are illustrative rather than restrictive, and thus the utility model includes but is not limited to the embodiments described in the specific embodiments, and thus various modifications within the spirit of the utility model are included in the protection scope of the utility model, and any other embodiments derived from the technical scheme of the utility model by those skilled in the art also belong to the protection scope of the utility model.

Claims

1. An ultra-thin motor, suitable for use in a resistance pump motor for fitness equipment, characterized in that: The motor is an outer rotor motor structure, comprising: a stator structure device comprising a transmission shaft; a rotor structure device comprising a first housing end cover, a second housing end cover, a first bearing, a second bearing, and a rope collecting groove; the rope collecting groove is provided on the rotor structure device, and first and second baffles are respectively provided on both sides of the rope collecting groove; a pull rope fixing device and a pull rope are provided on the first or second baffle.

2. The ultra-thin motor of claim 1, wherein: The first housing end cover and the second housing end cover are respectively provided with fan blade type heat dissipation structures or heat dissipation holes, to provide heat dissipation for the motor in forward rotation and reverse rotation.

3. The ultra-thin motor of claim 2, wherein: The first housing end cover and the second housing end cover are respectively provided with one or more fan blade type heat dissipation structures or heat dissipation holes.

4. The ultra-thin motor of claim 2, wherein: The fan blade type heat dissipation structures or heat dissipation holes are respectively distributed in the same direction or in opposite directions or in the same direction and in the opposite direction on the first housing end cover and the second housing end cover of the motor.

5. An ultra-thin motor, suitable for use in a fitness equipment device tension pump motor, characterized in that: The motor is an outer rotor motor structure, comprising a first bearing, a second bearing, a stator, and a rotor arranged in sequence from inside to outside along a transmission shaft, and two housing end covers arranged at both ends of the rotor, and portions of the two housing end covers extending outward are respectively formed into two baffles, one of which is provided with a pull rope fixing device and a pull rope, The inner walls of the two baffles and the outer wall of the rotor form a rope collecting groove for accommodating the pull rope.

6. The ultra-thin motor of claim 5, wherein: The two housing end covers are respectively a first housing end cover and a second housing end cover, and the first housing end cover is provided with air holes or a convex air baffle.

7. The ultra-thin motor of claim 6, wherein: The air holes and the air baffle of the first housing end cover are arc-shaped and are distributed in the same direction or / and in the opposite direction along the rotation direction; the air holes and the air baffle of the second housing end cover are arc-shaped and are distributed in the same direction or / and in the opposite direction along the rotation direction.

8. The ultra-thin motor of claim 5, wherein: The stator is assembled on the transmission shaft through the first bearing and the second bearing at both ends of the transmission shaft; the transmission shaft extends out of the two housing end covers, to be fixed on the fitness equipment through both ends of the transmission shaft.