CN215876121U

CN215876121U - Electric weight-adjusting dumbbell

Info

Publication number: CN215876121U
Application number: CN202120775914.0U
Authority: CN
Inventors: 朱里红; 董伟
Original assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Current assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-02-22
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of fitness equipment and discloses an electric weight-adjusting dumbbell which comprises a dumbbell head, a centrifugal force device, a single chip microcomputer, a dumbbell bar, a power module, a motor, a human body induction module and a pressure sensing module, wherein the power module, the human body induction module, the pressure sensing module and the single chip microcomputer are installed inside the dumbbell bar; according to the utility model, the dumbbell is controlled to be opened and closed by the human body contact human body induction module, so that the sensitivity of dumbbell control can be effectively improved, and the dumbbell can be applied to places such as schools, families, gymnasiums and the like; human response module, pressure sensing module detect whether the human body is using the dumbbell, and pressure sensing module also detects user's grip size, adjusts centrifugal force device's rotational speed through pressure size, and when user's grip suddenly reduced, control system automated inspection closed this equipment.

Description

Electric weight-adjusting dumbbell

Technical Field

The utility model relates to the technical field of fitness equipment, in particular to an electric weight-adjusting dumbbell.

Background

Along with the improvement of living standard of people, people who want to have a good body are more and more, nowadays and in the future, people who are engaged in the body-building industry will be more and more, people's requirement to body-building apparatus is also more and more.

At present, most traditional dumbbells are adopted in the fields of gymnasiums, families, markets and the like, and a detachable dumbbell is further adopted to adjust the weight, but like in the gymnasiums, the dumbbell of each weight can only exist independently, and the dumbbells of a plurality of weights can only be equipped more, so that the space is tense, and the space for introducing other fitness equipment is reduced; multiple weight dumbbells may also be required for home exercise.

Therefore, how to research a novel dumbbell with adjustable weight and without occupying too much space is a problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an electric weight-adjusting dumbbell, which solves the problem that the traditional dumbbell is inconvenient in weight adjustment.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electronic accent heavy dumbbell, includes dumbbell head, centrifugal force device, singlechip, dumbbell bar, power module, motor, human response module and pressure sensing module, the internally mounted of dumbbell bar has power module human response module pressure sensing module and the singlechip, the left and right sides fixedly connected with of dumbbell bar the motor, one side of motor is connected with through the gearbox transmission centrifugal force device, just the left and right sides of dumbbell bar is equipped with the dumbbell head, just the tip of dumbbell head with dumbbell bar welded fastening, and the internally mounted of dumbbell head has centrifugal force device.

Preferably, the centrifugal force device is composed of a circular track, nine metal rods and nine pulleys, wherein the nine pulleys have different weights.

Preferably, the human body induction module and the pressure sensing module are embedded in the dumbbell bar, the front ends of the human body induction module and the pressure sensing module extend to the outside of the dumbbell bar, the output ends of the human body induction module and the pressure sensing module are electrically connected with the input end of the single chip microcomputer, the single chip microcomputer is electrically connected with the motor, and the motor is electrically connected with the centrifugal force device.

Preferably, the dumbbell head and the dumbbell bar are made of stainless steel materials, rubber layers are adhered to the outer portions of the dumbbell head and the dumbbell bar, and the human body sensing module and the pressure sensing module extend to the outer portions of the rubber layers.

Preferably, the model of the single chip microcomputer is STC89C 51.

Preferably, the motor is of the type JGA 25-370.

Preferably, a first switch and a second switch are fixedly connected to one side of the dumbbell head located in front.

(III) advantageous effects

The utility model provides an electric weight-adjusting dumbbell which has the following beneficial effects:

(1) according to the dumbbell, the traditional dumbbell is used as a body, the control system consisting of the single chip microcomputer, the pressure sensing module and the human body sensing module is matched, the dumbbell is controlled to be opened and closed by the human body contacting with the human body sensing module, the sensitivity of dumbbell control can be effectively improved, and the dumbbell can be applied to places such as schools, families, gymnasiums and the like; human response module, pressure sensing module detect whether the human body is using the dumbbell, and pressure sensing module also detects user's grip size, adjusts centrifugal force device's rotational speed through pressure size, and when user's grip suddenly reduced, control system automated inspection closed this equipment.

Drawings

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

FIG. 2 is a functional block diagram of an embodiment of the present invention;

fig. 3 is a flowchart of the operation in the embodiment of the present invention.

In the figure: 1. a dumbbell head; 2. a centrifugal force device; 3. a single chip microcomputer; 4. a dumbbell bar; 5. a power supply module; 6. a motor; 7. a human body induction module; 8. and a pressure sensing module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides an electronic accent heavy dumbbell, including dumbbell head 1, centrifugal force device 2, singlechip 3, dumbbell bar 4, power module 5, motor 6, human response module 7 and pressure sensing module 8, dumbbell bar 4's internally mounted has power module 5, human response module 7, pressure sensing module 8 and singlechip 3, dumbbell bar 4's the left and right sides fixedly connected with motor 6, one side of motor 6 is connected with centrifugal force device 2 through the gearbox transmission, and dumbbell bar 4's the left and right sides is equipped with dumbbell head 1, and dumbbell head 1's tip and dumbbell bar 4 welded fastening, and dumbbell head 1's internally mounted has centrifugal force device 2, the model of gearbox is NMRV025, power module 5 provides + 3V- + 24V's mains voltage for singlechip 3 and other modules, and be connected to the VCC pin end of corresponding module.

Further, centrifugal force device 2 comprises a circular track, nine metal poles and nine pulleys, wherein nine pulleys are unequal in weight, six pulleys are equal < two pulleys are equal < a pulley, the pulley runs through on the metal pole and is movable, the pulley at the tail of the metal pole is connected at the groove part of the circular track, the track is fixed in dumbbell head 1, after centrifugal force device 2 is driven by motor 6, the metal pole drives the pulley to do circular motion along the track, centrifugal force perpendicular to the track is generated, and the dumbbell is enabled to have a direction perpendicular to dumbbell bar 4 and to be constantly under variable force.

Further, human response module 7 and pressure sensing module 8 all inlay the inside of locating dumbbell bar 4, and human response module 7, pressure sensing module 8's front end extends to dumbbell bar 4's outside, human response module 7, pressure sensing module 8's output and singlechip 3's input electric connection,

singlechip

3 and 6 electric connection of motor,

motor

6 and 2 electric connection of centrifugal force device, the user passes through pressure sensing module 8, whether dumbbell bar 4 and the applied pressure size of user are held to human response module 7 response user's hand, singlechip 3 carries out the analysis with received pressure size information, control output voltage's size, and then control motor 6 drives centrifugal force device 2's rotational speed, reach the purpose of control dumbbell "weight".

Furthermore, the dumbbell head 1 and the dumbbell bar 4 are made of stainless steel materials, rubber layers are adhered to the outer portions of the dumbbell head 1 and the dumbbell bar 4, and the human body sensing module 7 and the pressure sensing module 8 extend to the outer portions of the rubber layers.

Further, the type of the single chip microcomputer 3 is STC89C51, and the single chip microcomputer 3 is mainly used as a controller to realize data acquisition management and analysis with the pressure sensing module 8, generate control signals and the like.

Furthermore, the motor 6 is of the type JGA25-370, and the maximum torque of the motor 6 can reach 9 KG.

Furthermore, one side of the dumbbell head 1 in front is fixedly connected with a first switch and a second switch.

In conclusion, the working principle of the utility model is as follows: the dumbbell is characterized in that a traditional dumbbell is used as a body, a control system consisting of a single chip microcomputer 3, a human body induction module 7 and a pressure sensing module 8 is matched, the rotating speed of a motor 6 is controlled through the grip strength change of a user, the purpose of changing the weight is achieved, the versatility of the dumbbell can be effectively improved, and the dumbbell is applied to places such as schools, families, gymnasiums and the like; when a user leaves the dumbbell bar 4 or the pressure is reduced suddenly, the pressure sensing module 8 or the human body sensing module 7 transmits a signal to the singlechip 3, so that the motor 6 stops rotating, when only the first switch is pressed, the equipment starts to work, and the two centrifugal force devices rotate in the same direction; when the first and second switches are depressed, the two centrifugal force devices operate in opposite directions.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic accent heavy dumbbell, includes dumbbell head (1), centrifugal force device (2), singlechip (3), dumbbell bar (4), power module (5), motor (6), human response module (7) and pressure sensing module (8), its characterized in that: the utility model discloses a dumbbell, including dumbbell head (4), power module (4), human response module (7), pressure sensing module (8) and singlechip (3), the left and right sides fixedly connected with of dumbbell bar (4) motor (6), one side of motor (6) is connected with through the gearbox transmission centrifugal force device (2), just the left and right sides of dumbbell bar (4) is equipped with dumbbell head (1), just the tip of dumbbell head (1) with dumbbell bar (4) welded fastening, and the internally mounted of dumbbell head (1) has centrifugal force device (2).

2. The electric weight-adjusting dumbbell of claim 1, characterized in that: the centrifugal force device (2) consists of a circular track, nine metal rods and nine pulleys, wherein the nine pulleys are different in weight.

3. The electric weight-adjusting dumbbell of claim 1, characterized in that: the body induction module (7) and the pressure sensing module (8) are embedded in the dumbbell bar (4), the body induction module (7) and the front end of the pressure sensing module (8) extend to the outside of the dumbbell bar (4), the body induction module (7) and the output end of the pressure sensing module (8) are electrically connected with the input end of the single chip microcomputer (3), the single chip microcomputer (3) is electrically connected with the motor (6), and the motor (6) is electrically connected with the centrifugal force device (2).

4. The electric weight-adjusting dumbbell of claim 1, characterized in that: the dumbbell head (1) and the dumbbell bar (4) are made of stainless steel materials, rubber layers are adhered to the outer portions of the dumbbell head (1) and the dumbbell bar (4), and the human body sensing module (7) and the pressure sensing module (8) extend to the outer portions of the rubber layers.

5. The electric weight-adjusting dumbbell of claim 1, characterized in that: the type of the single chip microcomputer (3) is STC89C 51.

6. The electric weight-adjusting dumbbell of claim 1, characterized in that: the motor (6) is JGA 25-370.

7. The electric weight-adjusting dumbbell of claim 1, characterized in that: one side of the dumbbell head (1) in front is fixedly connected with a first switch and a second switch.